G T INVESTMENT FUNDS INC
485APOS, 1998-04-01
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<PAGE>
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 1, 1998
                                                              FILE NOS. 33-19338
                                                                       811-05426
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
 
                             ---------------------
 
                                   FORM N-1A
 
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
 
    PRE-EFFECTIVE AMENDMENT NO. / /POST-EFFECTIVE AMENDMENT NO. 52 /X/AND/OR
        REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940
 
AMENDMENT NO. 53 /X/
                            ------------------------
 
                          G.T. INVESTMENT FUNDS, INC.
               (EXACT NAME OF REGISTRANT AS SPECIFIED IN CHARTER)
 
                       50 CALIFORNIA STREET, 27TH FLOOR,
                            SAN FRANCISCO, CA 94111
              (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)
              REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE:
                                 (415) 392-6181
 
                            ------------------------
 
<TABLE>
<S>                                              <C>
            MICHAEL A. SILVER, ESQ.                        ARTHUR J. BROWN, ESQ.
             CHANCELLOR LGT ASSET                         R. DARRELL MOUNTS, ESQ.
               MANAGEMENT, INC.                          KIRKPATRICK & LOCKHART LLP
       50 CALIFORNIA STREET, 27TH FLOOR               1800 MASSACHUSETTS AVENUE, N.W.,
            SAN FRANCISCO, CA 94111                              2ND FLOOR
    (NAME AND ADDRESS OF AGENT FOR SERVICE)                WASHINGTON, D.C. 20036
                                                               (202) 778-9000
</TABLE>
 
                            ------------------------
 
               IT IS PROPOSED THAT THIS FILING WILL BECOME EFFECTIVE:
 
    / /  IMMEDIATELY UPON FILING PURSUANT TO PARAGRAPH (b) OF RULE 485.
 
    / /  ON                      PURSUANT TO PARAGRAPH (b) OF RULE 485.
 
    /X/ 60 DAYS AFTER FILING PURSUANT TO PARAGRAPH (a)(1) OF RULE 485 OR SUCH
        OTHER DATE AS IT MAY BE DECLARED EFFECTIVE BY THE SECURITIES AND
        EXCHANGE COMMISSION.
 
    / /  ON                      PURSUANT TO PARAGRAPH (a)(1) OF RULE 485.
 
    / /  75 DAYS AFTER FILING PURSUANT TO PARAGRAPH (a)(2) OF RULE 485.
 
    / /  ON                      PURSUANT TO PARAGRAPH (a)(2) OF RULE 485.
 
    IF APPROPRIATE, CHECK THE FOLLOWING BOX:
 
    / / THIS  POST-EFFECTIVE  AMENDMENT DESIGNATES  A NEW  EFFECTIVE DATE  FOR A
        PREVIOUSLY FILED POST-EFFECTIVE AMENDMENT.
 
    CERTAIN SERIES OF THE  G.T. INVESTMENT FUNDS, INC.  ARE "FEEDER FUNDS" IN  A
"MASTER/FEEDER"  FUND ARRANGEMENT. THIS POST-EFFECTIVE AMENDMENT NO. 52 INCLUDES
A MANUALLY  EXECUTED SIGNATURE  PAGE FOR  TWO MASTER  TRUSTS, GLOBAL  INVESTMENT
PORTFOLIO AND GLOBAL HIGH INCOME PORTFOLIO.
 
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<PAGE>
                          G.T. INVESTMENT FUNDS, INC.
                             CROSS-REFERENCE SHEET
            BETWEEN ITEMS ENUMERATED IN FORM N-1A AND THIS AMENDMENT
                       PROSPECTUS -- CLASS A AND CLASS B
<TABLE>
<CAPTION>
ITEM NO. OF
PART A OF FORM N-1A                                      CAPTIONS IN PROSPECTUS
- ---------------------------------  ------------------------------------------------------------------
<S>                                <C>
1.  Cover Page...................  Cover Page
2.  Synopsis.....................  Prospectus Summary
3.  Condensed Financial
    Information..................  Financial Highlights
4.  General Description of
    Registrant...................  Investment Objectives and Policies; Risk Factors; Management;
                                   Other Information
5.  Management of the
    Fund.........................  Management
5A. Management's Discussion of
    Fund Performance.............  See Annual Report
6.  Capital Stock and Other
    Securities...................  Dividends, Other Distributions and Federal Income Taxation; Other
                                   Information
7.  Purchase of Securities Being
    Offered......................  How to Invest; How to Make Exchanges; Calculation of Net Asset
                                   Value; Management
8.  Redemption or
    Repurchase...................  How to Redeem Shares; Calculation of Net Asset Value
9.  Pending Legal
    Proceedings..................  Not applicable
 
<CAPTION>
 
                                     PROSPECTUS -- ADVISOR CLASS
 
ITEM NO. OF
PART A OF FORM N-1A                                      CAPTIONS IN PROSPECTUS
- ---------------------------------  ------------------------------------------------------------------
<S>                                <C>
1.  Cover Page...................  Cover Page
2.  Synopsis.....................  Prospectus Summary
3.  Condensed Financial
    Information..................  Financial Highlights
4.  General Description of
    Registrant...................  Investment Objectives and Policies; Risk Factors; Management;
                                   Other Information
5.  Management of the Fund.......  Management
5A. Management's Discussion of
    Fund Performance.............  See Annual Report
6.  Capital Stock and Other
    Securities...................  Dividends, Other Distributions and Federal Income Taxation; Other
                                   Information
7.  Purchase of Securities Being
    Offered......................  How to Invest; How to Make Exchanges; Calculation of Net Asset
                                   Value; Management
8.  Redemption or Repurchase.....  How to Redeem Shares; Calculation of Net Asset Value
9.  Pending Legal Proceedings....  Not applicable
</TABLE>
 
<PAGE>
                          G.T. INVESTMENT FUNDS, INC.
                             CROSS-REFERENCE SHEET
            BETWEEN ITEMS ENUMERATED IN FORM N-1A AND THIS AMENDMENT
 
           STATEMENT OF ADDITIONAL INFORMATION -- CLASS A AND CLASS B
 
<TABLE>
<CAPTION>
ITEM NO. OF
PART B OF FORM N-1A                         CAPTIONS IN STATEMENT OF ADDITIONAL INFORMATION
- ---------------------------------  ------------------------------------------------------------------
<S>                                <C>
10. Cover Page...................  Cover Page
11. Table of Contents............  Table of Contents
12. General Information and
    History......................  Cover Page; Additional Information
13. Investment Objectives and
    Policies.....................  Investment Objectives and Policies;
                                   Investment Limitations; Options, Futures and Currency Strategies;
                                   Risk Factors; Execution of Portfolio Transactions
14. Management of the
    Registrant...................  Trustees and Executive Officers; Management
15. Control Persons and Principal
    Holders of Securities........  Trustees and Executive Officers; Management
16. Investment Advisory and Other
    Services.....................  Management; Additional Information
17. Brokerage Allocation and
    Other Practices..............  Execution of Portfolio Transactions
18. Capital Stock and Other
    Securities...................  Not applicable
19. Purchase, Redemption and
    Pricing of Securities Being
    Offered......................  Valuation of Fund Shares; Information Relating to
                                   Sales and Redemptions
20. Tax Status...................  Taxes
21. Underwriters.................  Management
22. Calculation of Performance
    Data.........................  Investment Results
23. Financial Statements.........  Financial Statements
</TABLE>
 
<PAGE>
                          G.T. INVESTMENT FUNDS, INC.
                             CROSS-REFERENCE SHEET
            BETWEEN ITEMS ENUMERATED IN FORM N-1A AND THIS AMENDMENT
 
              STATEMENT OF ADDITIONAL INFORMATION -- ADVISOR CLASS
 
<TABLE>
<CAPTION>
ITEM NO. OF
PART B OF FORM N-1A                         CAPTIONS IN STATEMENT OF ADDITIONAL INFORMATION
- ---------------------------------  ------------------------------------------------------------------
<S>                                <C>
10. Cover Page...................  Cover Page
11. Table of Contents............  Table of Contents
12. General Information and
    History......................  Cover Page; Additional Information
13. Investment Objectives and
    Policies.....................  Investment Objectives and Policies;
                                   Investment Limitations; Options, Futures and Currency Strategies;
                                   Risk Factors; Execution of Portfolio Transactions
14. Management of the
    Registrant...................  Trustees and Executive Officers; Management
15. Control Persons and Principal
    Holders of Securities........  Trustees and Executive Officers; Management
16. Investment Advisory and Other
    Services.....................  Management; Additional Information
17. Brokerage Allocation and
    Other Practices..............  Execution of Portfolio Transactions
18. Capital Stock and Other
    Securities...................  Not applicable
19. Purchase, Redemption and
    Pricing of Securities Being
    Offered......................  Valuation of Fund Shares; Information Relating to
                                   Sales and Redemptions
20. Tax Status...................  Taxes
21. Underwriters.................  Management
22. Calculation of Performance
    Data.........................  Investment Results
23. Financial Statements.........  Financial Statements
</TABLE>
 
<PAGE>
                          G.T. INVESTMENT FUNDS, INC.
                      CONTENTS OF POST-EFFECTIVE AMENDMENT
 
THIS POST-EFFECTIVE AMENDMENT TO THE REGISTRATION STATEMENT OF G.T. INVESTMENT
FUNDS, INC. CONTAINS THE FOLLOWING DOCUMENTS:
 
<TABLE>
<S>        <C>        <C>
Facing Sheet
Cross-Reference Sheet
Contents of Post-Effective Amendment
Part A        --      Prospectus
                      -- GT Global Theme Funds
                      -- GT Global Income Funds
                      -- GT Global Growth & Income Fund
                      -- GT Global Latin America Growth Fund & GT Global Emerging Markets Fund
                      -- GT Global Developing Markets Fund
              --      Prospectus -- Advisor Class
                      -- GT Global Theme Funds
                      -- GT Global Income Funds
                      -- GT Global Growth & Income Fund
                      -- GT Global Latin America Growth Fund & GT Global Emerging Markets Fund
                      -- GT Global Developing Markets Fund
Part B        --      Statement of Additional Information
                      -- GT Global Theme Funds
                      -- GT Global Income Funds
                      -- GT Global Growth & Income Fund
                      -- GT Global Latin America Growth Fund
                      -- GT Global Emerging Markets Fund
                      -- GT Global Developing Markets Fund
              --      Statement of Additional Information -- Advisor Class
                      -- GT Global Theme Funds
                      -- GT Global Income Funds
                      -- GT Global Growth & Income Fund
                      -- GT Global Latin America Growth Fund
                      -- GT Global Emerging Markets Fund
                      -- GT Global Developing Markets Fund
Part C        --      Other Information
Signature Pages
                      -- G.T. Investment Funds, Inc.
                      -- Global Investment Portfolio
                      -- Global High Income Portfolio
Exhibits
</TABLE>
<PAGE>
                             GT GLOBAL THEME FUNDS
   
                           PROSPECTUS -- JUNE 1, 1998
    
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<TABLE>
<S>                                                  <C>
         GT GLOBAL FINANCIAL SERVICES FUND              GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
           GT GLOBAL INFRASTRUCTURE FUND                         GT GLOBAL HEALTH CARE FUND
         GT GLOBAL NATURAL RESOURCES FUND                     GT GLOBAL TELECOMMUNICATIONS FUND
</TABLE>
 
GT GLOBAL FINANCIAL SERVICES FUND ("FINANCIAL SERVICES FUND") seeks long-term
capital growth by investing all of its investable assets in the Global Financial
Services Portfolio ("Financial Services Portfolio"), which, in turn, invests
primarily in equity securities of companies throughout the world that operate in
the financial services industries.
 
GT GLOBAL INFRASTRUCTURE FUND ("INFRASTRUCTURE FUND") seeks long-term capital
growth by investing all of its investable assets in the Global Infrastructure
Portfolio ("Infrastructure Portfolio"), which, in turn, invests primarily in
equity securities of companies throughout the world that design, develop or
provide products and services significant to a country's infrastructure.
 
GT GLOBAL NATURAL RESOURCES FUND ("NATURAL RESOURCES FUND") seeks long-term
capital growth by investing all of its investable assets in the Global Natural
Resources Portfolio ("Natural Resources Portfolio"), which, in turn, invests
primarily in equity securities of companies throughout the world that own,
explore or develop natural resources and other basic commodities or supply goods
and services to such companies.
 
GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND ("CONSUMER PRODUCTS AND SERVICES
FUND") seeks long-term capital growth by investing all of its investable assets
in the Global Consumer Products and Services Portfolio ("Consumer Products and
Services Portfolio"), which, in turn, invests primarily in equity securities of
companies throughout the world that manufacture, market, retail or distribute
consumer products and services.
 
GT GLOBAL HEALTH CARE FUND ("HEALTH CARE FUND") seeks long-term capital
appreciation by investing primarily in equity securities of health care
companies throughout the world.
 
GT GLOBAL TELECOMMUNICATIONS FUND ("TELECOMMUNICATIONS FUND") seeks long-term
growth of capital by investing primarily in equity securities of companies
throughout the world engaged in the development, manufacture or sale of
telecommunications services or equipment.
 
Each Portfolio's investment objective is identical to that of its corresponding
Fund. There can be no assurance that any Fund or Portfolio will achieve its
investment objective. The investment experience of the Financial Services Fund,
Infrastructure Fund, Natural Resources Fund and Consumer Products and Services
Fund will correspond directly with the investment experience of their
corresponding Portfolios.
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
   
The Funds and the Portfolios are managed by A I M Advisors, Inc. ("AIM") and are
sub-advised and sub-administered by [Chancellor GT Asset Management, Inc.] (the
"Sub-adviser"). AIM and the Sub-adviser and their worldwide asset management
affiliates provide investment management and/or administrative services to
institutional, corporate and individual clients around the world. AIM and the
Sub-adviser are both indirect wholly owned subsidiaries of AMVESCAP PLC.
AMVESCAP PLC and its subsidiaries are an independent investment management group
that has a significant presence in the institutional and retail segment of the
investment management industry in North America and Europe, and a growing
presence in Asia.
    
 
   
This Prospectus sets forth concisely the information an investor should know
before investing and should be read carefully and retained for future reference.
A Statement of Additional Information, dated June 1, 1998, has been filed with
the Securities and Exchange Commission ("SEC") and, as supplemented or amended
from time to time, is incorporated by reference. The Statement of Additional
Information is available without charge by writing to the Funds at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling [(800) 824-1580]. It
is also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
   
FOR FURTHER INFORMATION, CALL [(800) 824-1580] OR CONTACT YOUR FINANCIAL
 
ADVISER.
    
 
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THESE  SECURITIES  HAVE  NOT  BEEN APPROVED  OR  DISAPPROVED  BY  THE SECURITIES
 AND EXCHANGE  COMMISSION, NOR  HAS THE  SECURITIES AND  EXCHANGE  COMMISSION
   PASSED  ON  THE ACCURACY  OR  ADEQUACY OF  THIS  PROSPECTUS.         ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          8
Investment Objectives and Policies........................................................         19
Risk Factors..............................................................................         27
How to Invest.............................................................................         32
How to Make Exchanges.....................................................................         40
How to Redeem Shares......................................................................         42
Shareholder Account Manual................................................................         44
Calculation of Net Asset Value............................................................         45
Dividends, Other Distributions and Federal Income Taxation................................         46
Management................................................................................         48
Other Information.........................................................................         53
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Funds and the Portfolios:  Each  Fund is a  diversified series of  G.T. Investment Funds (the
                               "Company"). Each  Portfolio  is  a diversified  series  of  Global
                               Investment   Portfolio.  The  Portfolios,  Health  Care  Fund  and
                               Telecommunications Fund  are  referred  to herein  as  the  "Theme
                               Portfolios."
 
Investment Objectives:         The   Financial  Services   Fund,  Infrastructure   Fund,  Natural
                               Resources Fund  and  Consumer  Products  and  Services  Fund  seek
                               long-term  capital growth.  The Health  Care Fund  seeks long-term
                               capital appreciation. The Telecommunications Fund seeks  long-term
                               growth of capital.
 
Principal Investments:         The  Financial Services Fund invests  all of its investable assets
                               in the  Financial  Services  Portfolio, which,  in  turn,  invests
                               primarily  in equity securities of  companies throughout the world
                               that operate in the financial services industries.
 
                               The Infrastructure Fund  invests all of  its investable assets  in
                               the Infrastructure Portfolio, which, in turn, invests primarily in
                               equity  securities of companies throughout  the world that design,
                               develop  or  provide  products  and  services  significant  to   a
                               country's infrastructure.
 
                               The Natural Resources Fund invests all of its investable assets in
                               the Natural Resources Portfolio, which, in turn, invests primarily
                               in  equity securities of companies  throughout the world that own,
                               explore or develop natural  resources and other basic  commodities
                               or supply goods and services to such companies.
 
                               The  Consumer  Products  and  Services  Fund  invests  all  of its
                               investable assets in the Consumer Products and Services Portfolio,
                               which,  in  turn,  invests  primarily  in  equity  securities   of
                               companies throughout the world that manufacture, market, retail or
                               distribute consumer products and services.
 
                               The  Health Care  Fund invests  primarily in  equity securities of
                               health care companies throughout the world.
 
                               The Telecommunications Fund invests primarily in equity securities
                               of companies  throughout the  world  engaged in  the  development,
                               manufacture or sale of telecommunications services or equipment.
 
Principal Risk Factors:        There  is no assurance that any Fund or Portfolio will achieve its
                               investment objective. Each Fund's net asset value will  fluctuate,
                               reflecting  fluctuations  in  the  market  value  of  its  or  its
                               corresponding   Portfolio's   portfolio   holdings.   Each   Theme
                               Portfolio's  policy of concentrating  its investments in companies
                               in its particular industries may cause a Fund's net asset value to
                               fluctuate more  than  if  it  invested  in  a  greater  number  of
                               industries.
 
                               Each Theme Portfolio may invest in foreign securities. Investments
                               in  foreign  securities involve  risks  relating to  political and
                               economic developments  abroad  and  the  differences  between  the
                               regulations  to  which  U.S.  and  foreign  issuers  are  subject.
                               Individual foreign economies also may
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               differ favorably or unfavorably from the U.S. economy. Changes  in
                               foreign  currency exchange  rates will  affect a  Fund's net asset
                               value,  earnings  and  gains  and  losses  realized  on  sales  of
                               securities. Securities of foreign companies may be less liquid and
                               their  prices more volatile than those of securities of comparable
                               U.S. companies.
 
                               Each Theme  Portfolio  may  engage in  certain  foreign  currency,
                               options  and futures transactions to  attempt to hedge against the
                               overall level of investment and currency risk associated with  its
                               present  or planned investments. Such transactions involve certain
                               risks and transaction costs.
 
                               The  Financial   Services   Portfolio,  Health   Care   Fund   and
                               Telecommunications  Fund  may  each  invest  up  to  5%,  and  the
                               Infrastructure Portfolio, Natural Resources Portfolio and Consumer
                               Products and Services Portfolio may each invest up to 20%, of  its
                               total   assets   in  below   investment  grade   debt  securities.
                               Investments of this type are subject to a greater risk of loss  of
                               principal and interest.
 
                               See "Investment Objectives and Policies" and "Risk Factors."
 
                               AIM  and  the  Sub-adviser and  their  worldwide  asset management
Investment Managers:           affiliates provide  investment  management  and/or  administrative
                               services to institutional, corporate and individual clients around
                               the  world. AIM and the Sub-adviser are both indirect wholly owned
                               subsidiaries of AMVESCAP  PLC. AMVESCAP PLC  and its  subsidiaries
                               are   an  independent  investment  management  group  that  has  a
                               significant presence in  the institutional and  retail segment  of
                               the  investment management  industry in North  America and Europe,
                               and a growing  presence in Asia.  AIM was organized  in 1976  and,
                               together   with  its  affiliates,   currently  advises  [over  50]
                               investment company portfolios. On                , 1998,  AMVESCAP
                               PLC acquired the Asset Management Division of Liechtenstein Global
                               Trust  AG ("GT"), which included the Sub-adviser and certain other
                               affiliates.
 
Alternative Purchase Plan:     Investors may select Class  A or Class B  shares, each subject  to
                               different  expenses and  a different sales  charge structure. Each
                               class has  distinct  advantages and  disadvantages  for  different
                               investors,  and investors should choose  the class that best suits
                               their circumstances and objectives. See "How to Invest."
 
  Class A Shares:              Offered at  net  asset  value plus  any  applicable  sales  charge
                               (maximum  is 4.75% of public offering  price) and subject to 12b-1
                               service and distribution fees at  the annualized rate of 0.50%  of
                               the average daily net assets of Class A shares.
 
  Class B Shares:              Offered at net asset value with no initial sales charge (a maximum
                               contingent  deferred sales charge of 5%  of net asset value at the
                               time of purchase or sale, whichever is less, is imposed on certain
                               redemptions made within six years of date of purchase) and subject
                               to 12b-1 service and distribution  fees at the annualized rate  of
                               1.00%  of the average daily net assets  of Class B shares. Class B
                               shares automatically convert to  Class A shares  of the same  Fund
                               eight  years following  the end of  the calendar month  in which a
</TABLE>
    
 
                               Prospectus Page 4
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               purchase was made.  Class B  shares are subject  to higher  annual
                               expenses than Class A shares.
 
Shares Available Through:      Class  A and Class B  shares are available through broker/dealers,
                               banks   and   other   financial   service   entities   ("Financial
                               Institutions")  that have entered into  agreements with the Funds'
                               distributor, A I M Distributors, Inc. ("AIM Distributors"). Shares
                               also may  be acquired  by sending  an application  directly to  GT
                               Global  Investor Services, Inc. (the  "Transfer Agent") or through
                               exchanges of shares as  described below. See  "How to Invest"  and
                               "Shareholder Account Manual."
 
Exchange Privileges:           Shares  may be exchanged without a  sales charge for shares of the
                               corresponding class of the other GT Global Mutual Funds which  are
                               open-end   management  investment  companies  sub-advised  by  the
                               Sub-adviser. In  addition, Class  A shares  may be  exchanged  for
                               Class  A shares of  some of the  mutual funds that  are advised by
                               AIM, distributed  by AIM  Distributors  and are  part of  The  AIM
                               Family of Funds-Registered Trademark- ("The AIM Family of Funds").
                               See "How to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares  may be  redeemed through Financial  Institutions that sell
                               shares of the  Funds or  the Funds'  Transfer Agent.  See "How  to
                               Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other
  Distributions:               Dividends  are  paid  annually  from  net  investment  income  and
                               realized net short-term capital gain; other distributions are paid
                               annually from net capital gain and net gains from foreign currency
                               transactions, if any.
 
Reinvestment:                  Dividends and other distributions may be reinvested  automatically
                               in  Fund  shares of  the distributing  class or  in shares  of the
                               corresponding class  of other  GT Global  Mutual Funds  without  a
                               sales charge.
 
First Purchase:                $500 minimum ($100 for individual retirement accounts ("IRAs") and
                               reduced amounts for certain other retirement plans).
 
Subsequent Purchases:          $100  minimum ($25 for IRAs and  reduced amounts for certain other
                               retirement plans).
 
Net Asset Values:              Quoted daily in the financial section of most newspapers.
 
Other Features:
 
  Class A Shares:              Letter of Intent                  Dollar Cost Averaging Program
                               Quantity Discounts                Automatic Investment Plan
                               Right of Accumulation             Systematic Withdrawal Plan
                               Reinstatement Privilege           Portfolio Rebalancing Program
 
  Class B Shares:              Systematic Withdrawal Plan        Automatic Investment Plan
                               Portfolio Rebalancing Program     Dollar Cost Averaging Program
</TABLE>
    
 
   
THE AIM FAMILY OF FUNDS, THE AIM FAMILY OF FUNDS AND DESIGN (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS AND LA FAMILIA AIM DE FONDOS AND DESIGN ARE REGISTERED
SERVICE MARKS AND INVEST WITH DISCIPLINE AND AIM BANK CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
                               Prospectus Page 5
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Class A and Class B shares of the Funds are reflected in
the following tables(1):
 
   
<TABLE>
<CAPTION>
                                                                                                           GT GLOBAL
                                                                   GT GLOBAL           GT GLOBAL           FINANCIAL
                                                                  HEALTH CARE        TELECOMMUNI-          SERVICES
                                                                     FUND            CATIONS FUND            FUND
                                                               -----------------   -----------------   -----------------
                                                               CLASS A   CLASS B   CLASS A   CLASS B   CLASS A   CLASS B
                                                               -------   -------   -------   -------   -------   -------
SHAREHOLDER TRANSACTION COSTS (2):
<S>                                                            <C>       <C>       <C>       <C>       <C>       <C>
  Maximum sales charge on purchases of shares
   (as a % of offering price)................................   4.75%      None     4.75%      None     4.75%      None
  Sales charges on reinvested distributions to
   shareholders..............................................    None      None      None      None      None      None
  Maximum deferred sales charge (as a % of net asset value at
   time of purchase or sale, whichever is less)..............    None     5.00%      None     5.00%      None     5.00%
  Redemption charges.........................................    None      None      None      None      None      None
  Exchange fees..............................................    None      None      None      None      None      None
ANNUAL FUND OPERATING EXPENSES (3):
 (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees..............   0.97%     0.97%     0.94%     0.94%     0.98%     0.98%
  12b-1 distribution and service fees........................   0.50%     1.00%     0.50%     1.00%     0.50%     1.00%
  Other expenses (after reimbursements and waivers)..........   0.33%     0.33%     0.40%     0.40%       --%       --%
                                                               -------   -------   -------   -------   -------   -------
  Total Fund Operating Expenses..............................   1.80%     2.30%     1.84%     2.34%     2.00%     2.50%
                                                               -------   -------   -------   -------   -------   -------
                                                               -------   -------   -------   -------   -------   -------
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                                                                               GT GLOBAL
                                                       GT GLOBAL           GT GLOBAL       CONSUMER PRODUCTS
                                                    INFRASTRUCTURE     NATURAL RESOURCES          AND
                                                         FUND                FUND            SERVICES FUND
                                                   -----------------   -----------------   -----------------
                                                   CLASS A   CLASS B   CLASS A   CLASS B   CLASS A   CLASS B
                                                   -------   -------   -------   -------   -------   -------
SHAREHOLDER TRANSACTION COSTS (2):
<S>                                                <C>       <C>       <C>       <C>       <C>       <C>
  Maximum sales charge on purchases of shares
   (as a % of offering price)....................   4.75%      None     4.75%      None     4.75%      None
  Sales charges on reinvested distributions to
   shareholders..................................    None      None      None      None      None      None
  Maximum deferred sales charge (as a % of net
   asset value at time of purchase or sale,
   whichever is less)............................    None     5.00%      None     5.00%      None     5.00%
  Redemption charges.............................    None      None      None      None      None      None
  Exchange fees:
    -- On first four exchanges each year.........    None      None      None      None      None      None
    -- On each additional exchange...............   $7.50     $7.50     $7.50     $7.50     $7.50     $7.50
ANNUAL FUND OPERATING EXPENSES (3):
 (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration
   fees..........................................   0.98%     0.98%     0.98%     0.98%     0.98%     0.98%
  12b-1 distribution and service fees............   0.50%     1.00%     0.50%     1.00%     0.50%     1.00%
  Other expenses (after reimbursements and
   waivers)......................................     --%       --%       --%       --%     0.51%     0.51%
                                                   -------   -------   -------   -------   -------   -------
  Total Fund Operating Expenses..................   2.00%     2.50%     2.00%     2.50%     1.99%     2.49%
                                                   -------   -------   -------   -------   -------   -------
                                                   -------   -------   -------   -------   -------   -------
</TABLE>
    
 
                               Prospectus Page 6
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Funds, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                             GT GLOBAL                      GT GLOBAL                      GT GLOBAL
                                            HEALTH CARE                 TELECOMMUNICATIONS             FINANCIAL SERVICES
                                                FUND                           FUND                           FUND
                                    ----------------------------   ----------------------------   ----------------------------
                                    ONE    THREE   FIVE     TEN    ONE    THREE   FIVE     TEN    ONE    THREE   FIVE     TEN
                                    YEAR   YEARS   YEARS   YEARS+  YEAR   YEARS   YEARS   YEARS+  YEAR   YEARS   YEARS   YEARS+
                                    ----   -----   -----   -----   ----   -----   -----   -----   ----   -----   -----   -----
<S>                                 <C>    <C>     <C>     <C>     <C>    <C>     <C>     <C>     <C>    <C>     <C>     <C>
Class A Shares (4)................  $65    $102    $141    $250    $65    $103    $143    $255    $      $       $       $
Class B Shares:
  Assuming a complete redemption
   at end of period (5)...........  $75    $105    $147            $75    $106    $149            $      $       $
  Assuming no redemption..........  $24    $ 73    $124            $24    $ 74    $126            $      $       $
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                             GT GLOBAL                      GT GLOBAL                      GT GLOBAL
                                           INFRASTRUCTURE               NATURAL RESOURCES              CONSUMER PRODUCTS
                                                FUND                           FUND                    AND SERVICES FUND
                                    ----------------------------   ----------------------------   ----------------------------
                                    ONE    THREE   FIVE     TEN    ONE    THREE   FIVE     TEN    ONE    THREE   FIVE     TEN
                                    YEAR   YEARS   YEARS   YEARS+  YEAR   YEARS   YEARS   YEARS+  YEAR   YEARS   YEARS   YEARS+
                                    ----   -----   -----   -----   ----   -----   -----   -----   ----   -----   -----   -----
<S>                                 <C>    <C>     <C>     <C>     <C>    <C>     <C>     <C>     <C>    <C>     <C>     <C>
Class A Shares (4)................  $      $       $       $       $      $       $       $       $67    $107    $150    $269
Class B Shares:
  Assuming a complete redemption
   at end of period (5)...........  $      $       $               $      $       $               $77    $111    $157
  Assuming no redemption..........  $      $       $               $      $       $               $26    $ 78    $134
<FN>
- ------------------
 
(1)  THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
     COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUNDS. Long-term
     shareholders may pay more than the economic equivalent of the maximum
     front-end sales charge permitted by the National Association of Securities
     Dealers, Inc. rules regarding investment companies. THE "HYPOTHETICAL
     EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUNDS' AND
     THE PORTFOLIOS' ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT
     EXPENSES, MAY BE MORE OR LESS THAN THOSE SHOWN. The tables and the
     assumption in the Hypothetical Example of a 5% annual return are required
     by regulation of the SEC applicable to all mutual funds. The 5% annual
     return is not a prediction of and does not represent the Funds' or the
     Portfolios' projected or actual performance.
 
(2)  Sales charge waivers are available for Class A and Class B shares, and
     reduced sales charge purchase plans are available for Class A shares. The
     maximum 5% contingent deferred sales charge on Class B shares applies to
     redemptions during the first year after purchase. The charge generally
     declines by 1% annually thereafter, reaching zero after six years. See "How
     to Invest."
 
(3)  Expenses are based on the Funds' fiscal year ended October 31, 1997
     restated to reflect the current expense limits. "Other expenses" include
     custody, transfer agency, legal, audit and other operating expenses. AIM
     has undertaken to limit each Fund's expenses (exclusive of brokerage
     commissions, taxes, interest and extraordinary expenses) to the annual rate
     of 2.00% and 2.50% of the average daily net assets of each Fund's Class A
     and Class B shares, respectively. Without reimbursements and waivers,
     "Other Expenses" and "Total Fund Operating Expenses" would have been   %
     and   %, respectively, for Class A shares and   % and   %, respectively,
     for Class B shares of the Financial Services Fund;   % and   %,
     respectively, for Class A shares and   % and   %, respectively, for Class B
     shares of the Infrastructure Fund; and   % and   %, respectively, for Class
     A shares and   % and   %, respectively, for Class B shares of the Natural
     Resources Fund. See "Management" herein and the Statement of Additional
     Information for more information. The Funds also offer Advisor Class
     shares, which are not subject to 12b-1 distribution and service fees, to
     certain categories of investors. See "How to Invest."
     The Board of Trustees of the Company believes that the aggregate per share
     expenses of the Financial Services Fund, Infrastructure Fund, Natural
     Resources Fund and Consumer Products and Services Fund and each of their
     corresponding Portfolios will be approximately equal to the expenses each
     such Fund would incur if its assets were invested directly in the type of
     securities being held by its corresponding Portfolio.
(4)  Assumes payment of maximum sales charge by the investor.
(5)  Assumes deduction of the applicable contingent deferred sales charge.
+    For Class B shares, this number  reflects the conversion to Class A  shares
     eight years following the end of the calendar month in which a purchase was
     made.
</TABLE>
    
 
                               Prospectus Page 7
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Class B share of each Fund. This information
is supplemented by the financial statements and accompanying notes appearing in
the Statement of Additional Information. The financial statements and notes for
the fiscal year ended October 31, 1997, have been audited by                 ,
independent accountants, whose report thereon is also included in the Statement
of Additional Information.
    
 
                           GT GLOBAL HEALTH CARE FUND
 
<TABLE>
<CAPTION>
                                                                                  CLASS A+
                                                    --------------------------------------------------------------------
                                                                            YEAR ENDED OCT. 31,
                                                    --------------------------------------------------------------------
                                                     1997*     1996*      1995     1994*     1993*      1992      1991
                                                    --------  --------  --------  --------  --------  --------  --------
<S>                                                 <C>       <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating Performance:
Net asset value, beginning of period..............  $  23.60  $  21.84  $  19.60  $  17.86  $  17.44  $  19.29  $  12.83
                                                    --------  --------  --------  --------  --------  --------  --------
Income from investment operations:
  Net investment income (loss)....................     (0.25)    (0.17)    (0.15)    (0.22)    (0.15)    (0.18)     0.03
  Net realized and unrealized gain (loss) on
   investments....................................      6.48      4.79      3.73      2.02      0.57     (1.53)     6.78
                                                    --------  --------  --------  --------  --------  --------  --------
    Net increase (decrease) from investment
     operations...................................      6.23      4.62      3.58      1.80      0.42     (1.71)     6.81
                                                    --------  --------  --------  --------  --------  --------  --------
Distributions:
  From net investment income......................        --        --        --        --        --        --     (0.07)
  From net realized gain on investments...........     (1.85)    (2.86)    (1.34)       --        --     (0.14)    (0.28)
  In excess of net realized gain on investments...        --        --        --     (0.06)       --        --        --
                                                    --------  --------  --------  --------  --------  --------  --------
    Total distributions...........................     (1.85)    (2.86)    (1.34)    (0.06)       --     (0.14)    (0.35)
                                                    --------  --------  --------  --------  --------  --------  --------
Net asset value, end of period....................  $  27.98  $  23.60  $  21.84  $  19.60  $  17.86  $  17.44  $  19.29
                                                    --------  --------  --------  --------  --------  --------  --------
                                                    --------  --------  --------  --------  --------  --------  --------
Total investment return (c).......................    28.36%    23.14%    19.79%    10.11%      2.4%    (8.9)%     54.2%
                                                    --------  --------  --------  --------  --------  --------  --------
                                                    --------  --------  --------  --------  --------  --------  --------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)..............  $472,083  $467,861  $426,380  $438,940  $461,113  $655,867  $552,897
Ratio of net investment income (loss) to average
 net assets:
  With expense reductions.........................   (1.00)%   (0.71)%   (0.72)%   (1.23)%   (0.90)%   (0.97)%     0.19%
  Without expense reductions......................   (1.03)%   (0.75)%   (0.78)%       N/A       N/A       N/A       N/A
Ratio of expenses to average net assets:
  With expense reduction..........................     1.77%     1.80%     1.85%     1.98%     2.00%     2.05%     2.01%
  Without expense reduction.......................     1.80%     1.84%     1.91%       N/A       N/A       N/A       N/A
Portfolio turnover rate +++.......................      149%      157%       99%       64%       61%       30%       23%
Average commission rate per share paid on
 portfolio transactions +++.......................  $ 0.0490  $ 0.0548       N/A       N/A       N/A       N/A       N/A
</TABLE>
 
- ------------------
+   All capital shares issued and outstanding as of March 31, 1993, were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
*   These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                               Prospectus Page 8
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                           GT GLOBAL HEALTH CARE FUND
                                  (CONTINUED)
<TABLE>
<CAPTION>
                                                             CLASS A+                          CLASS B++
                                                    ---------------------------   ------------------------------------
                                                      YEAR      AUG. 7, 1989
                                                     ENDED      (COMMENCEMENT             YEAR ENDED OCT. 31,
                                                    OCT. 31,  OF OPERATIONS) TO   ------------------------------------
                                                      1990      OCT. 31, 1989      1997*     1996*     1995*    1994*
                                                    --------  -----------------   --------  --------  -------  -------
<S>                                                 <C>       <C>                 <C>       <C>       <C>      <C>
Per Share Operating Performance:
Net asset value, beginning of period..............  $  11.83       $ 11.43        $  23.15  $  21.56  $ 19.46  $ 17.80
                                                    --------      --------        --------  --------  -------  -------
Income from investment operations:
  Net investment income (loss)....................      0.06          0.01           (0.37)    (0.27)   (0.25)   (0.32)
  Net realized and unrealized gain (loss) on
   investments....................................      0.97          0.39            6.34      4.72     3.69     2.02
                                                    --------      --------        --------  --------  -------  -------
    Net increase (decrease) from investment
     operations...................................      1.03          0.40            5.97      4.45     3.44     1.70
                                                    --------      --------        --------  --------  -------  -------
Distributions:
  From net investment income......................     (0.03)           --              --        --                --
  From net realized gain on investments...........        --            --           (1.85)    (2.86)   (1.34)      --
  In excess of net realized gain on investments...        --            --              --        --       --    (0.04)
                                                    --------      --------        --------  --------  -------  -------
    Total distributions...........................     (0.03)           --           (1.85)    (2.86)   (1.34)   (0.04)
                                                    --------      --------        --------  --------  -------  -------
Net asset value, end of period....................  $  12.83       $ 11.83        $  27.27  $  23.15  $ 21.56  $ 19.46
                                                    --------      --------        --------  --------  -------  -------
                                                    --------      --------        --------  --------  -------  -------
Total investment return (c).......................      8.7%          3.5%(a)       27.75%    22.59%   19.17%    9.55%
                                                    --------      --------        --------  --------  -------  -------
                                                    --------      --------        --------  --------  -------  -------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)..............  $145,544       $49,903        $147,440  $107,622  $70,740  $39,100
Ratio of net investment income (loss) to average
 net assets:
  With expense reductions.........................     0.66%          3.2%(b)      (1.50)%   (1.21)%  (1.22)%  (1.73)%
  Without expense reductions......................       N/A           N/A         (1.53)%   (1.25)%  (1.28)%      N/A
Ratio of expenses to average net assets:
  With expense reduction..........................     2.39%          2.5%(b)        2.27%     2.30%    2.35%    2.48%
  Without expense reduction.......................       N/A           N/A           2.30%     2.34%    2.41%      N/A
Portfolio turnover rate +++.......................       34%          183%(b)         149%      157%      99%      64%
Average commission rate per share paid on
 portfolio transactions +++.......................       N/A           N/A        $ 0.0490  $ 0.0548      N/A      N/A
 
<CAPTION>
 
                                                    APRIL 1, 1993
                                                          TO
                                                    OCT. 31, 1993*
                                                    --------------
<S>                                                 <C>
Per Share Operating Performance:
Net asset value, beginning of period..............     $  15.59
                                                    --------------
Income from investment operations:
  Net investment income (loss)....................        (0.14)
  Net realized and unrealized gain (loss) on
   investments....................................         2.35
                                                    --------------
    Net increase (decrease) from investment
     operations...................................         2.21
                                                    --------------
Distributions:
  From net investment income......................           --
  From net realized gain on investments...........           --
  In excess of net realized gain on investments...           --
                                                    --------------
    Total distributions...........................           --
                                                    --------------
Net asset value, end of period....................     $  17.80
                                                    --------------
                                                    --------------
Total investment return (c).......................        14.2%(a)
                                                    --------------
                                                    --------------
Ratios and supplemental data:
Net assets, end of period (in 000's)..............     $  8,604
Ratio of net investment income (loss) to average
 net assets:
  With expense reductions.........................       (1.4)%(b)
  Without expense reductions......................          N/A
Ratio of expenses to average net assets:
  With expense reduction..........................         2.5%(b)
  Without expense reduction.......................          N/A
Portfolio turnover rate +++.......................          61%
Average commission rate per share paid on
 portfolio transactions +++.......................          N/A
</TABLE>
 
- ------------------
+   All capital shares issued and outstanding as of March 31, 1993, were
    reclassified as Class A shares.
 
++  Commencing April 1, 1993, the Fund began offering Class B shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
*   These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                         ------------------------------
   
<TABLE>
<CAPTION>
                                                                                                               AVERAGE MONTHLY
                                                                                          AVERAGE MONTHLY         NUMBER OF
                                                                        AMOUNT OF DEBT    AMOUNT OF DEBT     REGISTRANT'S SHARES
                                                                        OUTSTANDING AT      OUTSTANDING          OUTSTANDING
YEAR ENDED                                                              END OF PERIOD    DURING THE PERIOD    DURING THE PERIOD
- ----------------------------------------------------------------------  --------------   -----------------   -------------------
<S>                                                                     <C>              <C>                 <C>
October 31, 1997......................................................       --              $323,288            24,106,677
 
<CAPTION>
 
                                                                        AVERAGE AMOUNT
                                                                         OF DEBT PER
                                                                         SHARE DURING
YEAR ENDED                                                                THE PERIOD
- ----------------------------------------------------------------------  --------------
<S>                                                                     <C>
October 31, 1997......................................................     $0.0134
</TABLE>
    
 
                               Prospectus Page 9
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                 GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
   
<TABLE>
<CAPTION>
                                                                            CLASS A                     CLASS B
                                                              -----------------------------------   ----------------
                                                              YEAR ENDED OCT.     DEC. 30, 1994     YEAR ENDED OCT.
                                                                    31,           (COMMENCEMENT           31,
                                                              ----------------  OF OPERATIONS) TO   ----------------
                                                               1997*    1996*    OCT. 31, 1995*      1997     1996*
                                                              -------  -------  -----------------   -------  -------
<S>                                                           <C>      <C>      <C>                 <C>      <C>
Per Share Operating Performance:
Net asset value, beginning of period........................  $ 20.98  $ 14.59      $   11.43       $ 20.79  $ 14.53
                                                              -------  -------  -----------------   -------  -------
Income from investment operations:
  Net investment income (loss)..............................    (0.15)   (0.22)          0.02**       (0.24)   (0.31)
  Net realized and unrealized gain on investments...........     2.27     7.13           3.14          2.22     7.09
                                                              -------  -------  -----------------   -------  -------
    Net increase from investment operations.................     2.12     6.91           3.16          1.98     6.78
                                                              -------  -------  -----------------   -------  -------
Distributions:
  From net realized gain on investments.....................    (0.91)   (0.52)            --         (0.91)   (0.52)
                                                              -------  -------  -----------------   -------  -------
    Total distributions.....................................    (0.91)   (0.52)            --         (0.91)   (0.52)
                                                              -------  -------  -----------------   -------  -------
Net asset value, end of period..............................  $ 22.19  $ 20.98      $   14.59       $ 21.86  $ 20.79
                                                              -------  -------  -----------------   -------  -------
                                                              -------  -------  -----------------   -------  -------
Total investment return (c).................................   10.55%   48.82%         27.65%(b)      9.95%   48.11%
                                                              -------  -------  -----------------   -------  -------
                                                              -------  -------  -----------------   -------  -------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)........................  $62,637  $76,900      $   4,082       $93,978  $87,904
Ratio of net investment income (loss) to average net assets:
  With expense reductions and reimbursement by the
   Sub-adviser..............................................  (0.72)%  (1.14)%          0.20%(a)    (1.22)%  (1.64)%
  Without expense reductions and reimbursement by the
   Sub-adviser..............................................  (0.87)%  (1.24)%       (11.11)%(a)    (1.37)%  (1.74)%
Ratio of expenses to average net assets:
  With expense reductions and reimbursement by the
   Sub-adviser..............................................    1.84%    2.24%          2.32%(a)      2.34%    2.74%
  Without expense reductions and reimbursement by the
   Sub-adviser..............................................    1.99%    2.34%         13.63%(a)      2.49%    2.84%
Portfolio turnover rate +...................................     392%     169%           240%(a)       392%     169%
Average commission rate per share paid on portfolio
 transactions +.............................................  $0.0319  $0.0545            N/A       $0.0319  $0.0545
 
<CAPTION>
 
                                                                DEC. 30, 1994
                                                                (COMMENCEMENT
                                                              OF OPERATIONS) TO
                                                               OCT. 31, 1995*
                                                              -----------------
<S>                                                           <C>
Per Share Operating Performance:
Net asset value, beginning of period........................      $  11.43
                                                              -----------------
Income from investment operations:
  Net investment income (loss)..............................         (0.04)**
  Net realized and unrealized gain on investments...........          3.14
                                                              -----------------
    Net increase from investment operations.................          3.10
                                                              -----------------
Distributions:
  From net realized gain on investments.....................            --
                                                              -----------------
    Total distributions.....................................            --
                                                              -----------------
Net asset value, end of period..............................      $  14.53
                                                              -----------------
                                                              -----------------
Total investment return (c).................................        27.12%(b)
                                                              -----------------
                                                              -----------------
Ratios and supplemental data:
Net assets, end of period (in 000's)........................      $  2,959
Ratio of net investment income (loss) to average net assets:
  With expense reductions and reimbursement by the
   Sub-adviser..............................................       (0.30)%(a)
  Without expense reductions and reimbursement by the
   Sub-adviser..............................................      (11.61)%(a)
Ratio of expenses to average net assets:
  With expense reductions and reimbursement by the
   Sub-adviser..............................................         2.82%(a)
  Without expense reductions and reimbursement by the
   Sub-adviser..............................................        14.13%(a)
Portfolio turnover rate +...................................          240%(a)
Average commission rate per share paid on portfolio
 transactions +.............................................           N/A
</TABLE>
    
 
- ------------------
  + Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued. The Fund invests only in the Consumer Products and Services
    Portfolio and does not engage in securities transactions. Accordingly, the
    portfolio turnover and average commission rates presented are for the
    Consumer Products and Services Portfolio.
 
  * These selected per share data were calculated based upon average shares
    outstanding during the period.
 
   
 ** Before reimbursement by the Sub-adviser, net investment income per share
    would have been reduced by $1.12 and $1.04 for Class A and Class B,
    respectively.
    
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       AVERAGE MONTHLY
                                                                                          NUMBER OF
                                                                    AVERAGE MONTHLY      REGISTRANT'S      AVERAGE AMOUNT
                                                  AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES           OF DEBT PER
                                                  OUTSTANDING AT      OUTSTANDING        OUTSTANDING        SHARE DURING
YEAR ENDED                                         END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD      THE PERIOD
- ------------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                               <C>              <C>                <C>                 <C>
October 31, 1997................................        --             $ 103,293           8,302,173          $  0.0124
</TABLE>
    
 
                               Prospectus Page 10
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                       GT GLOBAL TELECOMMUNICATIONS FUND
 
<TABLE>
<CAPTION>
                                                                                     CLASS A+
                                                    --------------------------------------------------------------------------
                                                                                                                JAN. 27, 1992
                                                                                                                (COMMENCEMENT
                                                                       YEAR ENDED OCT. 31,                      OF OPERATIONS)
                                                    ----------------------------------------------------------        TO
                                                     1997(c)     1996(c)       1995      1994(c)       1993     OCT. 31, 1992
                                                    ----------  ----------  ----------  ----------  ----------  --------------
<S>                                                 <C>         <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period..............  $    16.69  $    16.42  $    17.80  $    16.92  $    11.16     $  11.43
                                                    ----------  ----------  ----------  ----------  ----------  --------------
Income from investment operations:
  Net investment income (loss)....................       (0.17)      (0.13)      (0.09)      (0.01)       0.08         0.14*
  Net realized and unrealized gain (loss) on
   investments....................................        2.93        1.22       (0.43)       1.17        5.83        (0.41)
                                                    ----------  ----------  ----------  ----------  ----------  --------------
    Net increase (decrease) from investment
     operations...................................        2.76        1.09       (0.52)       1.16        5.91        (0.27)
                                                    ----------  ----------  ----------  ----------  ----------  --------------
Distributions:
  From net investment income......................          --          --          --       (0.01)      (0.15)          --
  From net realized gain on investments...........       (1.41)      (0.82)      (0.86)      (0.27)         --           --
                                                    ----------  ----------  ----------  ----------  ----------  --------------
    Total distributions...........................       (1.41)      (0.82)      (0.86)      (0.28)      (0.15)          --
                                                    ----------  ----------  ----------  ----------  ----------  --------------
Net asset value, end of period....................  $    18.04  $    16.69  $    16.42  $    17.80  $    16.92     $  11.16
                                                    ----------  ----------  ----------  ----------  ----------  --------------
                                                    ----------  ----------  ----------  ----------  ----------  --------------
Total investment return (d).......................      17.70%       7.00%     (2.88)%       7.02%       53.6%       (2.4)%(a)
                                                    ----------  ----------  ----------  ----------  ----------  --------------
                                                    ----------  ----------  ----------  ----------  ----------  --------------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)..............  $  910,801  $1,204,428  $1,353,722  $1,644,402  $1,223,340     $442,862
Ratio of net investment income (loss) to average
 net assets:
  With expense reductions.........................     (1.01)%     (0.84)%     (0.49)%     (0.02)%        0.8%         2.1%*(b)
  Without expense reductions......................     (1.06)%     (0.89)%     (0.55)%         N/A         N/A          N/A
Ratio of expenses to average net assets:
  With expense reductions.........................       1.79%       1.74%       1.77%        1.8%        2.0%         2.3%*(b)
  Without expense reductions......................       1.84%       1.79%       1.83%         N/A         N/A          N/A
Portfolio turnover rate +++.......................         35%         37%         62%         57%         41%           4%(b)
Average commission rate per share paid on
 portfolio
 transactions +++.................................  $   0.0085  $   0.0165         N/A         N/A         N/A          N/A
</TABLE>
 
- ------------------
+   All capital shares issued and outstanding as of March 31, 1993, were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of less
    than $0.01. Without such reimbursement, the annualized expense ratio would
    have been 2.30% and the annualized ratio of net investment income to average
    net assets would have been 2.04%.
    
 
(a) Not annualized.
 
(b) Annualized.
 
(c) These per share operating performance data were calculated based upon
    average shares outstanding during the year.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                               Prospectus Page 11
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                       GT GLOBAL TELECOMMUNICATIONS FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                             CLASS B++
                                                    -----------------------------------------------------------
                                                                                                     APRIL 1,
                                                                                                       1993
                                                                 YEAR ENDED OCT. 31,                    TO
                                                    ----------------------------------------------   OCT. 31,
                                                     1997(c)     1996(c)       1995      1994(c)       1993
                                                    ----------  ----------  ----------  ----------  -----------
<S>                                                 <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period..............  $    16.37  $    16.20  $    17.66  $    16.87   $  12.68
                                                    ----------  ----------  ----------  ----------  -----------
Income from investment operations:
  Net investment income (loss)....................       (0.25)      (0.23)      (0.17)      (0.10)      0.01
  Net realized and unrealized gain (loss) on
   investments....................................        2.87        1.22       (0.43)       1.17       4.18
                                                    ----------  ----------  ----------  ----------  -----------
    Net increase (decrease) from investment
     operations...................................        2.62        0.99       (0.60)       1.07       4.19
                                                    ----------  ----------  ----------  ----------  -----------
Distributions:
  From net investment income......................          --          --          --       (0.01)        --
  From net realized gain on investments...........       (1.41)      (0.82)      (0.86)      (0.27)        --
                                                    ----------  ----------  ----------  ----------  -----------
    Total distributions...........................       (1.41)      (0.82)      (0.86)      (0.28)        --
                                                    ----------  ----------  ----------  ----------  -----------
Net asset value, end of period....................  $    17.58  $    16.37  $    16.20  $    17.66   $  16.87
                                                    ----------  ----------  ----------  ----------  -----------
                                                    ----------  ----------  ----------  ----------  -----------
Total investment return (d).......................      17.15%       6.46%     (3.37)%       6.50%      33.0%(a)
                                                    ----------  ----------  ----------  ----------  -----------
                                                    ----------  ----------  ----------  ----------  -----------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)..............  $  805,535  $1,007,654  $1,111,520  $1,184,081   $455,335
Ratio of net investment income (loss) to average
 net assets:
  With expense reductions.........................     (1.51)%     (1.34)%     (0.99)%     (0.52)%       0.3%(b)
  Without expense reductions......................     (1.56)%     (1.39)%     (1.05)%         N/A        N/A
Ratio of expenses to average net assets:
  With expense reductions.........................       2.29%       2.24%       2.27%        2.3%       2.5%(b)
  Without expense reductions......................       2.34%       2.29%       2.33%         N/A        N/A
Portfolio turnover rate +++.......................         35%         37%         62%         57%        41%
Average commission rate per share paid on
 portfolio transactions +++.......................  $   0.0085  $   0.0165         N/A         N/A        N/A
</TABLE>
 
- ------------------
++  Commencing April 1, 1993, the Fund began offering Class B shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
(a) Not annualized.
 
(b) Annualized.
 
(c) These per share operating performance data were calculated based upon
    average shares outstanding during the year.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       AVERAGE MONTHLY
                                                                                          NUMBER OF
                                                                    AVERAGE MONTHLY      REGISTRANT'S      AVERAGE AMOUNT
                                                  AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES           OF DEBT PER
                                                  OUTSTANDING AT      OUTSTANDING        OUTSTANDING        SHARE DURING
YEAR ENDED                                         END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD      THE PERIOD
- ------------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                               <C>              <C>                <C>                 <C>
October 31, 1997................................        --            $ 8,225,969         113,614,232         $  0.0724
</TABLE>
    
 
                               Prospectus Page 12
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                       GT GLOBAL FINANCIAL SERVICES FUND
 
   
<TABLE>
<CAPTION>
                                                     CLASS A
                                 -----------------------------------------------
                                                                   MAY 31, 1994
                                                                  (COMMENCEMENT
                                      YEAR ENDED OCT. 31,         OF OPERATIONS)
                                 ------------------------------    TO OCT. 31,
                                 1997(d)    1996(d)    1995(d)         1994
                                 --------   --------   --------   --------------
<S>                              <C>        <C>        <C>        <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................   $  14.20   $  11.92   $  11.62   $    11.43
                                 --------   --------   --------   --------------
Income from investment
 operations:
  Net investment income (loss)
   +..........................       0.04       0.05       0.17         0.02
  Net realized and unrealized
   gain (loss) on
   investments................       3.97       2.36       0.13         0.17
                                 --------   --------   --------   --------------
    Net increase (decrease)
     from investment
     operations...............       4.01       2.41       0.30         0.19
                                 --------   --------   --------   --------------
Distributions:
  From net investment
   income.....................         --      (0.12)        --           --
  From net realized gain on
   investments................      (0.99)     (0.01)        --           --
                                 --------   --------   --------   --------------
    Total distributions.......      (0.99)     (0.13)        --           --
                                 --------   --------   --------   --------------
Net asset value, end of
 period.......................   $  17.22   $  14.20   $  11.92   $    11.62
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
Total investment return (c)...     29.91%     20.21%      2.58%        1.66%(b)
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................   $ 29,639   $  7,302   $  5,687   $    3,175
Ratio of net investment income
 (loss) to average net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................      0.23%      0.41%      1.46%        0.66%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................      0.16%    (0.66)%    (5.34)%      (7.26)%(a)
Ratio of expenses to average
 net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................      2.29%      2.32%      2.34%        2.40%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................      2.36%      3.39%      9.14%       10.32%(a)
Portfolio turnover rate ++....        91%       103%       170%          53%(a)
Average commission rate per
 share paid on portfolio
 transactions ++..............   $ 0.0014   $ 0.0080        N/A          N/A
</TABLE>
    
 
- ------------------
   
 +  Before reimbursement by the Sub-adviser, the net investment income per share
    for Class A and Class B of the Financial Services Fund would have been
    reduced by $0.13 and $0.13, respectively, for the year ended Oct. 31, 1996,
    $0.59 and $0.59, respectively, for the year ended Oct. 31, 1995, and $0.23
    and $0.23, respectively, from May 31, 1994 to Oct. 31, 1994.
    
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the class of shares
    issued. The Fund invests only in the Financial Services Portfolio and does
    not engage in securities transactions. Accordingly, the portfolio turnover
    and average commission rates presented are for the Financial Services
    Portfolio.
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                               Prospectus Page 13
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                       GT GLOBAL FINANCIAL SERVICES FUND
                                  (CONTINUED)
 
   
<TABLE>
<CAPTION>
                                                     CLASS B
                                 -----------------------------------------------
                                                                   MAY 31, 1994
                                                                  (COMMENCEMENT
                                      YEAR ENDED OCT. 31,         OF OPERATIONS)
                                 ------------------------------    TO OCT. 31,
                                 1997(d)    1996(d)    1995(d)         1994
                                 --------   --------   --------   --------------
<S>                              <C>        <C>        <C>        <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................   $  14.06   $  11.83   $  11.60   $    11.43
                                 --------   --------   --------   --------------
Income from investment
 operations:
  Net investment income (loss)
   +..........................      (0.04)     (0.01)      0.11           --
  Net realized and unrealized
   gain (loss) on
   investments................       3.94       2.34       0.12         0.17
                                 --------   --------   --------   --------------
    Net increase (decrease)
     from investment
     operations...............       3.90       2.33       0.23         0.17
                                 --------   --------   --------   --------------
Distributions:
  From net investment
   income.....................         --      (0.09)        --           --
  From net realized gain on
   investments................      (0.99)     (0.01)        --           --
                                 --------   --------   --------   --------------
    Total distributions.......      (0.99)     (0.10)        --           --
                                 --------   --------   --------   --------------
Net asset value, end of
 period.......................   $  16.97   $  14.06   $  11.83   $    11.60
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
Total investment return (c)...     29.13%     19.81%      1.98%        1.49%(b)
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................   $ 47,585   $  9,886   $  4,548   $    2,235
Ratio of net investment income
 (loss) to average net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................    (0.27)%    (0.09)%      0.96%        0.16%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................    (0.34)%    (1.16)%    (5.84)%      (7.76)%(a)
Ratio of expenses to average
 net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................      2.79%      2.82%      2.84%        2.90%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................      2.86%      3.89%      9.64%       10.82%(a)
Portfolio turnover rate ++....        91%       103%       170%          53%(a)
Average commission rate per
 share paid on portfolio
 transactions ++..............   $ 0.0014   $ 0.0080        N/A          N/A
</TABLE>
    
 
- ------------------
   
 +  Before reimbursement by the Sub-adviser, the net investment income per share
    for Class A and Class B of the Financial Services Fund would have been
    reduced by $0.13 and $0.13, respectively, for the year ended Oct. 31, 1996,
    $0.59 and $0.59, respectively, for the year ended Oct. 31, 1995, and $0.23
    and $0.23, respectively, from May 31, 1994 to Oct. 31, 1994.
    
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the class of shares
    issued. The Fund invests only in the Financial Services Portfolio and does
    not engage in securities transactions. Accordingly, the portfolio turnover
    and average commission rates presented are for the Financial Services
    Portfolio.
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                               Prospectus Page 14
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         GT GLOBAL INFRASTRUCTURE FUND
 
   
<TABLE>
<CAPTION>
                                                     CLASS A
                                 -----------------------------------------------
                                                                   MAY 31, 1994
                                                                  (COMMENCEMENT
                                      YEAR ENDED OCT. 31,         OF OPERATIONS)
                                 ------------------------------         TO
                                 1997(d)    1996(d)      1995     OCT. 31, 1994
                                 --------   --------   --------   --------------
<S>                              <C>        <C>        <C>        <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................   $  14.42   $  12.11   $  12.47   $    11.43
                                 --------   --------   --------   --------------
Income from investment
 operations:
  Net investment income (loss)
   +..........................      (0.01)     (0.03)     (0.03)        0.01
  Net realized and unrealized
   gain (loss) on
   investments................       1.32       2.34      (0.33)        1.03
                                 --------   --------   --------   --------------
    Net increase (decrease)
     from investment
     operations...............       1.31       2.31      (0.36)        1.04
                                 --------   --------   --------   --------------
Distributions:
  From net realized gain on
   investments................      (0.72)        --         --           --
                                 --------   --------   --------   --------------
    Total distributions.......      (0.72)        --         --           --
                                 --------   --------   --------   --------------
Net asset value, end of
 period.......................   $  15.01   $  14.42   $  12.11   $    12.47
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
Total investment return (c)...      9.38%     19.08%    (2.89)%        9.10%(b)
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................   $ 38,281   $ 38,397   $ 36,241   $   23,615
Ratio of net investment income
 (loss) to average net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................    (0.09)%    (0.19)%    (0.32)%        0.41%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................    (0.17)%    (0.30)%    (0.58)%      (0.47)%(a)
Ratio of expenses to average
 net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................      2.00%      2.14%      2.36%        2.40%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................      2.08%      2.25%      2.62%        3.28%(a)
Portfolio turnover rate ++....        41%        41%        45%          18%
Average commission rate per
 share paid on portfolio
 transactions ++..............   $ 0.0046   $ 0.0109        N/A          N/A
</TABLE>
    
 
- ------------------
   
 +  Before reimbursement by the Sub-adviser, the net investment income per share
    for Class A and Class B of the Infrastructure Fund would have been reduced
    by $0.03 and $0.03, respectively, for the year ended Oct. 31, 1995, and
    $0.02 and $0.02, respectively, from May 31, 1994 to Oct. 31, 1994.
    
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the class of shares
    issued. The Fund invests only in the Infrastructure Portfolio and does not
    engage in securities transactions. Accordingly, the portfolio turnover and
    commission rates presented are for the Infrastructure Portfolio.
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                               Prospectus Page 15
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         GT GLOBAL INFRASTRUCTURE FUND
                                  (CONTINUED)
 
   
<TABLE>
<CAPTION>
                                                     CLASS B
                                 -----------------------------------------------
                                                                   MAY 31, 1994
                                                                  (COMMENCEMENT
                                      YEAR ENDED OCT. 31,         OF OPERATIONS)
                                 ------------------------------         TO
                                 1997(d)    1996(d)      1995     OCT. 31, 1994
                                 --------   --------   --------   --------------
<S>                              <C>        <C>        <C>        <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................   $  14.24   $  12.03   $  12.45   $    11.43
                                 --------   --------   --------   --------------
Income from investment
 operations:
  Net investment income (loss)
   +..........................      (0.09)     (0.09)     (0.09)       (0.01)
  Net realized and unrealized
   gain (loss) on
   investments................       1.32       2.30      (0.33)        1.03
                                 --------   --------   --------   --------------
    Net increase (decrease)
     from investment
     operations...............       1.23       2.21      (0.42)        1.02
                                 --------   --------   --------   --------------
Distributions:
  From net realized gain on
   investments................      (0.72)        --         --           --
                                 --------   --------   --------   --------------
    Total distributions.......      (0.72)        --         --           --
                                 --------   --------   --------   --------------
Net asset value, end of
 period.......................   $  14.75   $  14.24   $  12.03   $    12.45
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
Total investment return (c)...      8.83%     18.37%    (3.37)%        8.92%(b)
                                 --------   --------   --------   --------------
                                 --------   --------   --------   --------------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................   $ 57,199   $ 53,678   $ 50,181   $   30,954
Ratio of net investment income
 (loss) to average net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................    (0.59)%    (0.69)%    (0.82)%      (0.09)%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................    (0.67)%    (0.80)%    (1.08)%      (0.97)%(a)
Ratio of expenses to average
 net assets:
  With expense reductions and
   reimbursement from the
   Sub-adviser................      2.50%      2.64%      2.86%        2.90%(a)
  Without expense reductions
   and reimbursement from the
   Sub-adviser................      2.58%      2.75%      3.12%        3.78%(a)
Portfolio turnover rate ++....        41%        41%        45%          18%
Average commission rate per
 share paid on portfolio
 transactions ++..............   $ 0.0046   $ 0.0109        N/A          N/A
</TABLE>
    
 
- ------------------
   
 +  Before reimbursement by the Sub-adviser, the net investment income per share
    for Class A and Class B of the Infrastructure Fund would have been reduced
    by $0.03 and $0.03, respectively, for the year ended Oct. 31, 1995, and
    $0.02 and $0.02, respectively, from May 31, 1994 to Oct. 31, 1994.
    
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the class of shares
    issued. The Fund invests only in the Infrastructure Portfolio and does not
    engage in securities transactions. Accordingly, the portfolio turnover and
    commission rates presented are for the Infrastructure Portfolio.
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                               Prospectus Page 16
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                        GT GLOBAL NATURAL RESOURCES FUND
 
   
<TABLE>
<CAPTION>
                                                                CLASS A
                                          ----------------------------------------------------
                                                                                     MAY 31,
                                                                                       1994
                                                                                    (COMMENCEMENT
                                                                                        OF
                                                                                    OPERATIONS)
                                                    YEAR ENDED OCT. 31,             TO
                                          ---------------------------------------    OCT. 31,
                                            1997(d)       1996(d)        1995          1994
                                          -----------   -----------   -----------   ----------
<S>                                       <C>           <C>           <C>           <C>
Per Share Operating Performance:
Net asset value, beginning of period....   $    17.43    $    11.44    $    12.41    $  11.43
                                          -----------   -----------   -----------   ----------
Income from investment operations:
  Net investment income (loss) +........        (0.25)        (0.24)         0.04        0.06
  Net realized and unrealized gain
   (loss) on investments................         4.08          6.28         (0.98)       0.92
                                          -----------   -----------   -----------   ----------
    Net increase (decrease) from
     investment operations..............         3.83          6.04         (0.94)       0.98
                                          -----------   -----------   -----------   ----------
Distributions:
  From net investment income............           --         (0.04)        (0.03)         --
  From net realized gain on
   investments..........................        (0.61)        (0.01)           --          --
                                          -----------   -----------   -----------   ----------
    Total distributions.................        (0.61)        (0.05)        (0.03)         --
                                          -----------   -----------   -----------   ----------
Net asset value, end of period..........   $    20.65    $    17.43    $    11.44    $  12.41
                                          -----------   -----------   -----------   ----------
                                          -----------   -----------   -----------   ----------
Total investment return (c).............       22.64%        53.04%       (7.58)%       8.57%(b)
                                          -----------   -----------   -----------   ----------
                                          -----------   -----------   -----------   ----------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)....   $   69,975    $   48,729    $   12,598    $ 14,797
Ratio of net investment income (loss) to
 average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...      (1.41)%       (1.55)%         0.41%       2.63%(a)
  Without expense reductions and
   reimbursement from the Sub-adviser...      (1.51)%       (1.65)%       (0.69)%       0.65%(a)
Ratio of expenses to average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...        2.03%         2.20%         2.37%       2.40%(a)
  Without expense reductions and
   reimbursement from the Sub-adviser...        2.13%         2.30%         3.47%       4.38%(a)
Portfolio turnover rate ++..............         321%           94%           87%        137%
Average commission rate per share paid
 on portfolio transactions ++...........   $   0.0112    $   0.0243           N/A         N/A
</TABLE>
    
 
- ------------------
   
 +  Before reimbursement by the Sub-adviser, the net investment income per share
    for Class A and Class B of the Natural Resources Fund would have been
    reduced by $0.14 and $0.13, respectively, for the year ended Oct. 31, 1995,
    and $0.04 and $0.04, respectively, from May 31, 1994 to Oct. 31, 1994.
    
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued. The Fund invests only in the Natural Resources Portfolio and does
    not engage in securities transactions. Accordingly, the portfolio turnover
    and average commission rates presented are for the Natural Resources
    Portfolio.
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                               Prospectus Page 17
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                        GT GLOBAL NATURAL RESOURCES FUND
                                  (CONTINUED)
 
   
<TABLE>
<CAPTION>
                                                                CLASS B
                                          ----------------------------------------------------
                                                                                     MAY 31,
                                                                                       1994
                                                                                    (COMMENCEMENT
                                                                                        OF
                                                                                    OPERATIONS)
                                                    YEAR ENDED OCT. 31,             TO
                                          ---------------------------------------    OCT. 31,
                                            1997(d)       1996(d)        1995          1994
                                          -----------   -----------   -----------   ----------
<S>                                       <C>           <C>           <C>           <C>
Per Share Operating Performance:
Net asset value, beginning of period....   $    17.29    $    11.36    $    12.38    $  11.43
                                          -----------   -----------   -----------   ----------
Income from investment operations:
  Net investment income (loss) +........        (0.33)        (0.31)        (0.02)       0.03
  Net realized and unrealized gain
   (loss) on investments................         4.02          6.25         (0.98)       0.92
                                          -----------   -----------   -----------   ----------
    Net increase (decrease) from
     investment operations..............         3.69          5.94         (1.00)       0.95
                                          -----------   -----------   -----------   ----------
Distributions:
  From net investment income............           --            --         (0.02)         --
  From net realized gain on
   investments..........................        (0.61)        (0.01)           --          --
                                          -----------   -----------   -----------   ----------
    Total distributions.................        (0.61)        (0.01)        (0.02)         --
                                          -----------   -----------   -----------   ----------
Net asset value, end of period..........   $    20.37    $    17.29    $    11.36    $  12.38
                                          -----------   -----------   -----------   ----------
                                          -----------   -----------   -----------   ----------
Total investment return (c).............       21.99%        52.39%         (8.05)%     8.31%(b)
                                          -----------   -----------   -----------   ----------
                                          -----------   -----------   -----------   ----------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)....   $   86,812    $   57,749    $   13,978    $ 13,404
Ratio of net investment income (loss) to
 average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...      (1.91)%       (2.05)%       (0.09)%       2.13%(a)
  Without expense reductions and
   reimbursement from the Sub-adviser...      (2.01)%       (2.15)%       (1.19)%       0.15%(a)
Ratio of expenses to average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...        2.53%         2.70%         2.87%       2.90%(a)
  Without expense reductions and
   reimbursement from the Sub-adviser...        2.63%         2.80%         3.97%       4.88%(a)
Portfolio turnover rate ++..............         321%           94%           87%        137%
Average commission rate per share paid
 on portfolio transactions ++...........   $   0.0112    $   0.0243           N/A         N/A
</TABLE>
    
 
- ------------------
   
 +  Before reimbursement by the Sub-adviser, the net investment income per share
    for Class A and Class B of the Natural Resources Fund would have been
    reduced by $0.14 and $0.13, respectively, for the year ended Oct. 31, 1995,
    and $0.04 and $0.04, respectively, from May 31, 1994 to Oct. 31, 1994.
    
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued. The Fund invests only in the Natural Resources Portfolio and does
    not engage in securities transactions. Accordingly, the portfolio turnover
    and average commission rates presented are for the Natural Resources
    Portfolio.
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       AVERAGE MONTHLY
                                                                                          NUMBER OF
                                                                    AVERAGE MONTHLY      REGISTRANT'S      AVERAGE AMOUNT
                                                  AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES           OF DEBT PER
                                                  OUTSTANDING AT      OUTSTANDING        OUTSTANDING        SHARE DURING
YEAR ENDED                                         END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD      THE PERIOD
- ------------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                               <C>              <C>                <C>                 <C>
October 31, 1997................................    $ 4,670,000        $ 999,474           7,868,612          $  0.1270
</TABLE>
    
 
                               Prospectus Page 18
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
FINANCIAL SERVICES FUND
The Financial Services Fund's investment objective is long-term capital growth.
It seeks its objective by investing all of its investable assets in the
Financial Services Portfolio, which, in turn, invests primarily in equity
securities of companies throughout the world that operate in the financial
services industries. The Financial Services Portfolio's investment objective is
identical to that of the Financial Services Fund.
 
   
At least 65% of the Financial Services Portfolio's total assets normally will be
invested in common and preferred stocks and warrants to acquire such securities
issued by financial services companies. A "financial services" company is an
entity in which (i) at least 50% of either the revenues or earnings was derived
from financial services activities, or (ii) at least 50% of the assets was
devoted to such activities, based on the company's most recent fiscal year. The
remainder of the Financial Services Portfolio's assets may be invested in debt
securities issued by financial services companies and/or equity and debt
securities of companies outside of the financial services industries, which, in
the opinion of the Sub-adviser, stand to benefit from developments in the
financial services industries.
    
 
GLOBAL FINANCIAL SERVICES INDUSTRIES INVESTMENT. Examples of financial services
companies include commercial banks and savings institutions and loan
associations and their holding companies; consumer and industrial finance
companies; diversified financial services companies; investment banks; insurance
brokerages; securities brokerage and investment advisory companies; real estate-
related companies; leasing companies; and a variety of firms in all segments of
the insurance field such as multi-line, property and casualty and life insurance
and insurance holding companies.
 
   
The Sub-adviser believes an accelerating rate of global economic interdependence
will lead to significant growth in the demand for financial services. In
addition, in the Sub-adviser's view, as the industries evolve, opportunities
will emerge for those companies positioned for the future. Thus, the Sub-adviser
expects that banking and related financial institution consolidation in the
developed countries, increased demand for retail borrowing in developing
countries, a growing need for international trade-based financing, a rising
demand for sophisticated risk management, the proliferating number of liquid
securities markets around the world, and larger concentrations of investable
assets should lead to growth in financial service companies that are positioned
for the future.
    
 
INFRASTRUCTURE FUND
The Infrastructure Fund's investment objective is long-term capital growth. It
seeks its objective by investing all of its investable assets in the
Infrastructure Portfolio, which, in turn, invests primarily in equity securities
of companies throughout the world that design, develop or provide products and
services significant to a country's infrastructure. The Infrastructure
Portfolio's investment objective is identical to that of the Infrastructure
Fund.
 
   
At least 65% of the Infrastructure Portfolio's total assets normally will be
invested in common and preferred stocks and warrants to acquire such securities
issued by infrastructure companies. An "infrastructure" company is an entity in
which (i) at least 50% of either the revenues or earnings was derived from
infrastructure activities, or (ii) at least 50% of the assets was devoted to
such activities, based on the company's most recent fiscal year. The remainder
of the Infrastructure Portfolio's assets may be invested in debt securities
issued by infrastructure companies and/or equity and debt securities of
companies outside of the infrastructure industries, which, in the opinion of the
Sub-adviser, stand to benefit from developments in the infrastructure
industries.
    
 
GLOBAL INFRASTRUCTURE INDUSTRIES INVESTMENT. Examples of infrastructure
companies include those engaged in designing, developing or providing the
following products and services: electricity production; oil, gas, and coal
exploration, development, production and distribution; water supply, including
water treatment facilities; nuclear power and other alternative energy sources;
transportation, including the construction or operation of transportation
systems; steel, concrete, or similar types of products; communications equipment
and services (including equipment and services for both data and voice
transmission); mobile communications and cellular
 
                               Prospectus Page 19
<PAGE>
                             GT GLOBAL THEME FUNDS
   
radio/paging; emerging technologies combining telephone, television and/or
computer systems; and other products and services, which, in the Sub-adviser's
judgment, constitute services significant to the development of a country's
infrastructure.
    
 
   
The Sub-adviser believes that a country's infrastructure is one key to the
long-term success of that country's economy. The Sub-adviser believes that
adequate energy, transportation, water, and communications systems are essential
elements for long-term economic growth. The Sub-adviser believes that many
developing nations, especially in Asia and Latin America, plan to make
significant expenditures to the development of their infrastructure in the
coming years, which is expected to facilitate increased levels of services and
manufactured goods.
    
 
   
In the developed countries of North America, Europe, Japan and the Pacific Rim,
the Sub-adviser expects that the replacement and upgrade of transportation and
communications systems should stimulate growth in the infrastructure industries
of those countries. In addition, in the Sub-adviser's view, deregulation of
telecommunications and electric and gas utilities in many countries is promoting
significant changes in these industries.
    
 
   
The Sub-adviser believes that strong economic growth in developing countries and
infrastructure replacement, upgrade, and deregulation in more developed
countries provide an environment for favorable investment opportunities in
infrastructure companies worldwide. In addition, the long-term growth rates of
certain foreign countries' economies may be substantially higher than the
long-term growth rate of the U.S. economy. An integral aspect of certain foreign
countries' economies may be the development or improvement of their
infrastructure.
    
 
NATURAL RESOURCES FUND
The Natural Resources Fund's investment objective is long-term capital growth.
It seeks its objective by investing all of its investable assets in the Natural
Resources Portfolio, which, in turn, invests primarily in equity securities of
companies throughout the world that own, explore or develop natural resources
and other basic commodities or supply goods and services to such companies. The
Natural Resources Portfolio's investment objective is identical to that of the
Natural Resources Fund.
 
   
At least 65% of the Natural Resources Portfolio's total assets will normally be
invested in common stock and preferred stock, and warrants to acquire such
securities, issued by natural resource companies. A "natural resource" company
is an entity in which (i) at least 50% of either the revenues or earnings was
derived from natural resource activities, or (ii) at least 50% of the assets was
devoted to such activities, based upon the company's most recent fiscal year.
The remainder of the Natural Resources Portfolio's assets may be invested in
debt securities issued by natural resource companies and/or equity and debt
securities of companies outside of the natural resource industries, which, in
the opinion of the Sub-adviser, stand to benefit from developments in the
natural resource industries.
    
 
   
GLOBAL NATURAL RESOURCE INDUSTRIES INVESTMENT. Examples of natural resource
companies include those which own, explore or develop: energy sources (such as
oil, gas and coal); ferrous and non-ferrous metals (such as iron, aluminum,
copper, nickel, zinc and lead), strategic metals (such as uranium and titanium)
and precious metals (such as gold, silver and platinum); chemicals; forest
products (such as timber, coated and uncoated tree sheet, pulp and newsprint);
other basic commodities (such as foodstuffs); refined products (such as
chemicals and steel) and service companies that sell to these producers and
refiners; and other products and services, which, in the Sub-adviser's opinion
are significant to the ownership and development of natural resources and other
basic commodities.
    
 
   
The Sub-adviser believes that the liberalization of formerly socialist economies
will bring about dramatic changes in both the supply and demand for natural
resources. In addition, rapid industrialization in developing countries of Asia
and Latin America is generating new demands for industrial materials that are
affecting world commodities markets. The Sub-adviser believes these changes are
likely to create investment opportunities that benefit from new sources of
supply and/or from changes in commodities prices.
    
 
   
The Sub-adviser also believes that investments in natural resource industries
offer an opportunity to protect wealth against the capital-eroding effects of
inflation. During periods of accelerating inflation or currency uncertainty,
worldwide investment demand for natural resources, particularly precious metals,
tends to increase, and during periods of disinflation or currency stability, it
tends to decrease. The Sub-adviser believes that rising commodity prices and
increasing worldwide industrial production may favorably affect share
    
 
                               Prospectus Page 20
<PAGE>
                             GT GLOBAL THEME FUNDS
prices of natural resource companies, and investments in such companies can
offer excellent opportunities to offset the effects of inflation.
 
CONSUMER PRODUCTS AND SERVICES FUND
The Consumer Products and Services Fund's investment objective is long-term
capital growth. It seeks its objective by investing all of its investable assets
in the Consumer Products and Services Portfolio, which, in turn, invests
primarily in equity securities of companies throughout the world that
manufacture, market, retail or distribute consumer products and services. The
Consumer Products and Services Portfolio's investment objective is identical to
that of the Consumer Products and Services Fund.
 
   
At least 65% of the Consumer Products and Services Portfolio's total assets
normally will be invested in common and preferred stocks and warrants to acquire
such securities issued by consumer products and services companies. A "consumer
products or services" company is an entity in which (i) at least 50% of either
the revenues or earnings was derived from activities relating to consumer
products or services, or (ii) at least 50% of the assets was devoted to such
activities, based on the company's most recent fiscal year. The remainder of the
Consumer Products and Services Portfolio's assets may be invested in debt
securities issued by consumer products or services companies and/or equity and
debt securities of companies outside the consumer products or services
industries, which, in the opinion of the Sub-adviser, stand to benefit from
developments in such industries.
    
 
GLOBAL CONSUMER PRODUCTS AND SERVICES INDUSTRIES INVESTMENT. Examples of
consumer products and services companies include those that manufacture, market,
retail, or distribute: durable goods (such as homes, household goods,
automobiles, boats, furniture and appliances, and computers); non-durable goods
(such as food and beverages and apparel); media, entertainment, broadcasting,
publishing and sports-related goods and services (such as television and radio
broadcast, motion pictures, wireless communications, gaming casinos, theme
parks, restaurants and lodging); and goods and services to companies in the
foregoing industries (such as advertisers, textile companies and distribution
and shipping companies).
 
   
The Consumer Products and Services Portfolio expects that a significant portion
of its assets may be invested in the securities of U.S. issuers from time to
time, particularly those that market their products globally. However, consumer
products and services companies of a particular nation or region of the world
are often operated and owned in their local markets, close to their customers.
These companies, the Sub-adviser believes, may offer superior opportunities for
capital growth as compared to their larger, multinational counterparts. Certain
global markets may be more attractive than others from time to time; companies
dependent on U.S. markets, for example, may be outperformed by companies not
dependent on U.S. markets.
    
 
   
The Sub-adviser also believes that the demand for consumer products and services
worldwide will increase along with rising disposable incomes in both developed
and developing nations. Emerging economies, such as those in China, Southeast
Asia, Eastern Europe and Latin America, offer opportunities for the growth and
expansion of consumer markets. These regions currently comprise a growing source
of inexpensive consumer products for export and a growing source of demand for
consumer products and services as the disposable incomes of their populations
increase. In the Sub-adviser's view, these changes are likely to create
investment opportunities in companies, both local and multinational, that are
able to employ innovative manufacturing, marketing, retailing and distribution
methods to open new markets and/or expand existing markets.
    
 
HEALTH CARE FUND
The Health Care Fund's investment objective is long-term capital appreciation.
It seeks its objective by investing primarily in equity securities of health
care companies throughout the world.
 
   
At least 65% of the Health Care Fund's total assets normally will be invested in
common and preferred stocks, and warrants to acquire such securities, issued by
health care companies. A "health care" company is an entity in which (i) at
least 50% of either the revenues or earnings was derived from health care
activities, or (ii) at least 50% of the assets was devoted to such activities,
based on the company's most recent fiscal year. The remainder of the Health Care
Fund's assets may be invested in debt securities issued by health care companies
and/or equity and debt securities of companies outside of the health care
industry, which, in the opinion of the Sub-adviser, stand to benefit from
developments in the health care industries.
    
 
GLOBAL HEALTH CARE INDUSTRIES INVESTMENT. Examples of health care companies
include those that are substantially engaged in the design, manufacture
 
                               Prospectus Page 21
<PAGE>
                             GT GLOBAL THEME FUNDS
or sale of products or services used for or in connection with health care or
medicine. Such firms may include pharmaceutical companies; firms that design,
manufacture, sell or supply medical, dental and optical products, hardware or
services; companies involved in biotechnology, medical diagnostic, and
biochemical research and development; and companies involved in the ownership
and/or operation of health care facilities.
 
The Health Care Fund expects that, from time to time, a significant portion of
its assets may be invested in the securities of U.S. issuers. Health care
industries, however, are global industries with significant, growing markets
outside of the United States. A sizeable portion of the companies which comprise
the health care industries are headquartered outside of the United States, and
many important pharmaceutical and biotechnology discoveries and technological
breakthroughs have occurred outside of the United States, primarily in Japan,
the United Kingdom and Western Europe.
 
   
The Sub-adviser believes that the global health care industries offer attractive
long-term supply/ demand dynamics. While the United States, Western Europe, and
Japan presently account for a substantial portion of health care expenditures,
this should change dramatically in the coming decade if the populations of
developing countries devote an increasing percentage of income to health care.
Additionally, the Sub-adviser believes demographics on aging point to a
significant increase in demand from the industrialized nations, as the elderly
account for a growing proportion of worldwide health care spending. Finally, in
the Sub-adviser's view, technology will continue to expand the range of products
and services offered, with new drugs, medical devices and surgical procedures
addressing medical conditions previously considered untreatable.
    
 
   
In addition to these underlying trends, the United States is presently
experiencing a period of rapid and profound change in its own health care
system, marked by the rise of managed care, the formation of health care
delivery networks, and widespread consolidation across all segments of the
industry. The Sub-adviser believes that this transition offers investment
opportunities in those companies acting as consolidators or otherwise gaining
market share at the expense of less efficient competitors.
    
 
TELECOMMUNICATIONS FUND
The Telecommunications Fund's investment objective is long-term growth of
capital. It seeks its objective by investing primarily in equity securities of
companies throughout the world engaged in the development, manufacture or sale
of telecommunications services or equipment.
 
   
At least 65% of the Telecommunications Fund's total assets normally will be
invested in common and preferred stocks and warrants to acquire such securities
issued by telecommunications companies. A "telecommunications" company is an
entity in which (i) at least 50% of either its revenues or earnings was derived
from telecommunications activities, or (ii) at least 50% of its assets was
devoted to telecommunications activities, based on the company's most recent
fiscal year. The remainder of the assets of the Telecommunications Fund may be
invested in debt securities issued by telecommunications companies and/or equity
and debt securities of companies outside of the telecommunications industry
which, in the opinion of the Sub-adviser, stand to benefit from developments in
the telecommunications industries.
    
 
   
GLOBAL TELECOMMUNICATIONS INDUSTRIES INVESTMENT. Telecommunications companies
cover a variety of sectors, ranging from companies concentrating on established
technologies to those primarily engaged in emerging or developing technologies.
The characteristics of companies focusing on the same technology will vary among
countries depending upon the extent to which the technology is established in
the particular country. The Sub-adviser will allocate the Telecommunications
Fund's investments among these sectors depending upon its assessment of their
relative long-term growth potential.
    
 
Examples of telecommunications companies include those engaged in designing,
developing or providing the following products and services: communications
equipment and services (including equipment and services for both data and voice
transmission); electronic components and equipment; broadcasting (including
television and radio, satellite, microwave and cable television and
narrowcasting); computer equipment, mobile communications and cellular
radio/paging; electronic mail; local and wide area networking and linkage of
word and data processing systems; publishing and information systems; videotext
and teletext; and emerging technologies combining telephone, television and/or
computer systems.
 
   
The Sub-adviser believes that there are opportunities for continued growth in
demand for components, products, media and systems to collect, store, retrieve,
transmit, process, distribute,
    
 
                               Prospectus Page 22
<PAGE>
                             GT GLOBAL THEME FUNDS
record, reproduce and use information. The pervasive societal impact of
communications and information technologies has been accelerated by the lower
costs and higher efficiencies that result from the blending of computers with
telecommunications systems. Accordingly, companies engaged in the production of
methods for using electronic and, potentially, video technology to communicate
information are expected to be important in the Telecommunications Fund's
portfolio. Older technologies, such as photography and print also may be
represented, however.
 
SELECTION OF INVESTMENTS AND ASSET ALLOCATION. Each Theme Portfolio expects
that, from time to time, a significant portion of its assets may be invested in
the securities of domestic issuers. Each industry represented in the Theme
Portfolios, however, is a global industry with significant, growing markets
outside of the United States. A sizeable proportion of the companies which
comprise such industries are headquartered outside of the United States.
 
   
For these reasons, the Sub-adviser believes that a portfolio composed only of
securities of U.S. issuers does not provide the greatest potential for return
from a Theme Portfolio investment. The Sub-adviser uses its financial expertise
in markets located throughout the world and the substantial global resources of
AMVESCAP PLC in attempting to identify those countries and companies then
providing the greatest potential for long-term capital appreciation. In this
fashion, the Sub-adviser seeks to enable shareholders to capitalize on the
substantial investment opportunities and the potential for long-term growth of
capital presented by the global industries represented in the Theme Portfolios.
    
 
   
The Sub-adviser allocates each Theme Portfolio's assets among securities of
countries and in currency denominations where opportunities for meeting each
Theme Portfolio's investment objective are expected to be the most attractive.
Each Theme Portfolio may invest substantially in securities denominated in one
or more currencies. Under normal conditions, each Theme Portfolio invests in the
securities of issuers located in at least three countries, including the United
States; investments in securities of issuers in any one country, other than the
United States, will represent no more than 40% of the Financial Services
Portfolio's and the Telecommunication Fund's total assets, and no more than 50%
of the Infrastructure Portfolio's, the Natural Resources Portfolio's, the Health
Care Fund's and the Consumer Products and Services Portfolio's total assets.
    
   
In analyzing specific companies for possible investment, the Sub-adviser
ordinarily looks for several of the following characteristics: above-average per
share earnings growth; high return on invested capital; a healthy balance sheet;
sound financial and accounting policies and overall financial strength; strong
competitive advantages; effective research and product development and
marketing; development of new technologies; efficient service; pricing
flexibility; strong management; and general operating characteristics that will
enable the companies to compete successfully in their respective markets.
    
 
   
In assessing companies for the Natural Resources Portfolio, the Sub-adviser will
also evaluate, among other factors, their capabilities for expanded exploration
and production, superior exploration programs and production techniques and
facilities, current inventories, expected production and demand levels and the
potential to accumulate new resources.
    
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy if
it determines such a strategy to be warranted due to market, economic or
political conditions. Under a defensive strategy, each Theme Portfolio may
invest up to 100% of its total assets in cash (U.S. dollars, foreign currencies
or multinational currency units) and/or high quality debt securities or money
market instruments of U.S. or foreign issuers. In addition, for temporary
defensive purposes, most or all of each Theme Portfolio's investments may be
made in the United States and denominated in U.S. dollars. To the extent any
Theme Portfolio adopts a temporary defensive posture, it will not be invested so
as to achieve directly its investment objective. In addition, pending investment
of proceeds from new sales of Fund shares or to meet its ordinary daily cash
needs, each Theme Portfolio may hold cash (U.S. dollars, foreign currencies or
multinational currency units) and may invest in foreign or domestic high quality
money market instruments. For a full description of money market instruments in
which the Funds or the Portfolio may invest, see               in the Statement
of Additional Information.
    
 
PRIVATIZATIONS. The governments of some foreign countries have been engaged in
programs of selling part or all of their stakes in government
 
                               Prospectus Page 23
<PAGE>
                             GT GLOBAL THEME FUNDS
   
owned or controlled enterprises ("privatizations"). The Sub-adviser believes
that privatizations may offer opportunities for significant capital appreciation
and intends to invest assets of the Theme Portfolios in privatizations in
appropriate circumstances. In certain foreign countries, the ability of foreign
entities such as the Theme Portfolios to participate in privatizations may be
limited by local law, or the terms on which the Theme Portfolios may be
permitted to participate may be less advantageous than those for local
investors. There can be no assurance that foreign governments will continue to
sell companies currently owned or controlled by them or that privatization
programs will be successful.
    
 
   
INVESTMENTS IN OTHER INVESTMENT COMPANIES. Each Theme Portfolio may invest up to
10% of its total assets in other investment companies, some of which may be
investment vehicles or companies that are advised by the Sub-adviser or its
affiliates ("Affiliated Funds"). As a shareholder in an investment company, that
Theme Portfolio would bear its ratable share of that investment company's
expenses, including its advisory and administration fees. At the same time, the
Theme Portfolio would continue to pay its own management fees and other
expenses. The Sub-adviser waives its advisory fee to the extent that a Theme
Portfolio invests in an Affiliated Fund.
    
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND ROLL TRANSACTIONS. A Theme
Portfolio may borrow from banks or may borrow through reverse repurchase
agreements and "roll" transactions in connection with meeting requests for the
redemptions of a Theme Portfolio's shares. A Theme Portfolio also may borrow up
to 5% of its total assets for temporary or emergency purposes other than to meet
redemptions. A Theme Portfolio may borrow up to 33 1/3% of its total assets.
However, no additional investments will be made if a Theme Portfolio's
borrowings exceed 5% of its total assets. Any borrowing by a Theme Portfolio may
cause greater fluctuation in the value of its shares than would be the case if a
Theme Portfolio did not borrow.
 
A reverse repurchase agreement is a borrowing transaction in which a Theme
Portfolio transfers possession of a security to another party, such as a bank or
broker/dealer, in return for cash, and agrees to repurchase the security in the
future at an agreed upon price which includes an interest component. A "roll"
borrowing transaction involves a Theme Portfolio's sale of securities together
with its commitment (for which that Theme Portfolio may receive a fee) to
purchase similar, but not identical, securities at a future date.
 
SECURITIES LENDING. Each Theme Portfolio may lend its portfolio securities to
broker/dealers or to other institutional investors. Securities lending allows
the Theme Portfolios to retain ownership of the securities loaned and, at the
same time, enhances a Fund's total return. Each Theme Portfolio limits its loans
of portfolio securities to an aggregate of 30% of the value of its total assets,
measured at the time any such loan is made. While a loan is outstanding, the
borrower must maintain with the Theme Portfolio's custodian collateral
consisting of cash, U.S. government securities or certain irrevocable letters of
credit equal to at least the value of the borrowed securities, plus any accrued
interest or such other collateral as permitted by a Fund's investment program
and regulatory agencies, and as approved by the Board. The risks in lending
portfolio securities, as with other extensions of secured credit, consist of
possible delays in receiving additional collateral or in recovery of the
securities and possible loss of rights in the collateral should the borrower
fail financially.
 
   
WHEN-ISSUED OR FORWARD COMMITMENT SECURITIES. The Theme Portfolios may purchase
debt securities on a "when-issued" basis and may purchase or sell such
securities on a "forward commitment" basis in order to hedge against anticipated
changes in interest rates and prices. The price, which is generally expressed in
yield terms, is fixed at the time the commitment is made, but delivery and
payment for the securities take place at a later date. When-issued securities
and forward commitments may be sold prior to the settlement date, but a Theme
Portfolio will purchase or sell when-issued securities or enter into forward
commitments only with the intention of actually receiving or delivering the
securities, as the case may be. No income accrues on securities that have been
purchased pursuant to a forward commitment or on a when-issued basis prior to
delivery to the Theme Portfolio. If the Theme Portfolio disposes of the right to
acquire a when-issued security prior to its acquisition or disposes of its right
to deliver or receive against a forward commitment, it may incur a gain or loss.
At the time a Theme Portfolio enters into a transaction on a when-issued or
forward commitment basis, the Theme Portfolio will segregate cash or liquid
securities equal to the value of the when-issued or forward commitment
securities with its custodian and will mark to market daily such assets.
    
 
                               Prospectus Page 24
<PAGE>
                             GT GLOBAL THEME FUNDS
There is a risk that the securities may not be delivered and that the Theme
Portfolio may incur a loss.
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Each Theme Portfolio may use
forward currency contracts, futures contracts, options on securities, options on
indices, options on currencies and options on futures contracts to attempt to
hedge against the overall level of investment and currency risk normally
associated with the portfolio. These instruments are often referred to as
"derivatives," which may be defined as financial instruments whose performance
is derived, at least in part, from the performance of another asset (such as a
security, currency or an index of securities). Each Theme Portfolio may enter
into such instruments up to the full value of its portfolio assets. See "Risk
Factors -- Options, Futures and Forward Currency Transactions" herein and
"Options, Futures and Forward Currency Strategies" in the Statement of
Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, each Theme Portfolio may enter into forward currency contracts for
the purchase or sale of a specified currency at a specified future date. Such
contracts may involve the purchase or sale of a foreign currency against the
U.S. dollar or may involve two foreign currencies. Each Theme Portfolio may
enter into forward currency contracts either with respect to specific
transactions or with respect to its portfolio positions. Each Theme Portfolio
also may purchase and sell put and call options on currencies, futures contracts
on currencies and options on such futures contracts to hedge against movements
in exchange rates.
 
   
In addition, a Theme Portfolio may purchase and sell put and call options on
equity and debt securities to hedge against the risk of fluctuations in the
prices of securities held by that Theme Portfolio or that the Sub-adviser
intends to include in the Theme Portfolio's portfolio. The Theme Portfolio also
may purchase and sell put and call options on stock indexes to hedge against
overall fluctuations in the securities markets generally or in a specific market
sector.
    
 
Further, a Theme Portfolio may sell stock index futures contracts and may
purchase put options or write call options on such futures contracts to protect
against a general stock market decline or a decline in a specific market sector
that could affect adversely a Theme Portfolio's holdings. A Theme Portfolio also
may purchase stock index futures contracts and purchase call options or write
put options on such contracts to hedge against a general stock market or market
sector advance and thereby attempt to lessen the cost of future securities
acquisitions. A Theme Portfolio may use interest rate futures contracts and
options thereon to hedge the debt portion of its portfolio against changes in
the general level of interest rates.
 
   
OTHER INFORMATION. The investment objective of each Fund may not be changed
without the approval of a majority of that Fund's outstanding voting securities.
A "majority of the Fund's outstanding voting securities" means the lesser of (i)
67% of the Fund's shares represented at a meeting at which more than 50% of the
outstanding shares are represented, or (ii) more than 50% of the outstanding
shares. In addition, each Fund has adopted certain investment limitations which
also may not be changed without shareholder approval. A complete description of
these limitations is included in the Statement of Additional Information. Unless
specifically noted, the Funds' investment policies described in this Prospectus
and in the Statement of Additional Information may be changed by the Company's
Board of Trustees without shareholder approval. Each Fund's policies regarding
concentration and lending, and the percentage of that Fund's assets that may be
committed to borrowing, are fundamental policies and may not be changed without
shareholder approval.
    
 
   
The approval of the Financial Services Fund, Infrastructure Fund, Natural
Resources Fund and Consumer Products and Services Fund and of other investors in
their corresponding Portfolio, if any, is not required to change the investment
objective, policies or limitations of that Portfolio, unless otherwise
specified. Written notice shall be provided to shareholders of such Fund thirty
days prior to any changes in its corresponding Portfolio's investment objective.
If a percentage restriction on investment or utilization of assets in an
investment policy or restriction is adhered to at the time an investment is
made, a later change in percentage ownership of a security or kind of securties
resulting from changing market values or a similar type of event will not be
considered a violation of a Fund's or Portfolio's investment policies or
restrictions.
    
 
   
The Theme Portfolios are authorized to engage in Short Sales, although they
currently have no intention of doing so, and may purchase American Depository
Receipts, American Depository Shares,
    
 
                               Prospectus Page 25
<PAGE>
                             GT GLOBAL THEME FUNDS
   
Global Depository Receipts and European Depository Receipts. See "Short Sales"
and "Depository Receipts," respectively, in the Investment Objectives and
Policies section of the Statement of Additional Information.
    
 
OTHER INFORMATION REGARDING THE PORTFOLIOS. As previously described, the
Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund, unlike mutual funds that directly acquire
and manage their own portfolios of securities, seek to achieve their investment
objective by investing all of their investable assets in the Financial Services
Portfolio, Infrastructure Portfolio, Natural Resources Portfolio and Consumer
Products and Services Portfolio, respectively, each of which is a separate
investment company. Because a Fund will invest only in its corresponding
Portfolio, that Fund's shareholders will acquire only an indirect interest in
the investments of that Portfolio.
 
   
The Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund may each redeem its investment in its
corresponding Portfolio at any time, if the Board of Trustees of the Company
determines that it is in the best interests of that Fund and its shareholders to
do so. A change in a Portfolio's investment objective, policies or limitations
that is not approved by the Board or the shareholders of its corresponding Fund
could require the Fund to redeem its interest in the Portfolio. Any such
redemption could result in a distribution in kind of portfolio securities (as
opposed to a cash distribution) by the Portfolio. Should such a distribution
occur, the Fund could incur brokerage fees or other transaction costs in
converting such securities to cash. In addition, a distribution in kind could
result in a less diversified portfolio of investments for the Fund and could
adversely affect its liquidity. Upon redemption, the Board would consider what
action might be taken, including the investment of all the investable assets of
that Fund in another pooled investment entity having substantially the same
investment objective as that Fund or the retention by the Fund of its own
investment adviser to manage its assets in accordance with its investment
objective, policies and limitations discussed herein.
    
 
In addition to selling an interest therein to its corresponding Fund, the
Financial Services Portfolio, Infrastructure Portfolio, Natural Resources
Portfolio and Consumer Products and Services Portfolio may each sell interests
therein to other non-affiliated investment companies and/or other institutional
investors. All institutional investors in a Portfolio will pay a proportionate
share of that Portfolio's expenses and will invest in that Portfolio on the same
terms and conditions. However, if another investment company invests any or all
of its assets in a Portfolio, it would not be required to sell its shares at the
same public offering price as the Portfolio's corresponding Fund and may charge
different sales commissions. Therefore, investors in the Financial Services
Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products and
Services Fund may experience different returns than investors in another
investment company that invests exclusively in its corresponding Portfolio. As
of the date of this Prospectus, the Financial Services Fund, Infrastructure
Fund, Natural Resources Fund and Consumer Products and Services Fund are the
only institutional investors in their corresponding Portfolios.
 
The Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund may each be materially affected by the
actions of other large investors, if any, in its corresponding Portfolio. For
example, as with all open-end investment companies, if a large investor were to
redeem its interest in a Portfolio, (1) that Portfolio's remaining investors
could experience higher pro rata operating expenses, thereby producing lower
returns and (2) that Portfolio's security holdings may become less diverse,
resulting in increased risk. Institutional investors in a Portfolio that have a
greater pro rata ownership interest in that Portfolio than its corresponding
Fund could have effective voting control over the operation of that Portfolio.
 
                               Prospectus Page 26
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that any Fund or Portfolio will achieve its
investment objective. The Funds' net asset values will fluctuate reflecting
fluctuations in the market value of the Theme Portfolios' portfolio positions.
Equity securities, particularly common stocks, generally represent the most
junior position in an issuer's capital structure, and entitle holders to an
interest in the assets of an issuer, if any, remaining after all more senior
claims have been satisfied. The value of equity securities held by a Theme
Portfolio will fluctuate in response to general market and economic
developments, as well as developments affecting the particular issuers of such
securities. In addition, the value of debt securities held by a Theme Portfolio
generally will fluctuate with changes in the perceived creditworthiness of the
issuers of such securities and interest rates.
 
Because each Theme Portfolio focuses its investments on particular industries,
an investment in each may be more volatile than that of other investment
companies that do not concentrate their investments in such a manner. Moreover,
the value of the shares of each Fund will be especially susceptible to factors
affecting the industries in which it focuses. Accordingly, no Fund should be
considered a complete investment program.
 
FINANCIAL SERVICES FUND AND FINANCIAL SERVICES PORTFOLIO. Financial services
industries may be subject to greater governmental regulation than many other
industries and changes in governmental policies and the need for regulatory
approvals may have a material effect on the services offered by companies in the
financial services industries. Governmental regulation may limit both the
financial commitments banks can make, including the amounts and types of loans,
and the interest rates and fees they can charge. In addition, governmental
regulation in certain foreign countries may impose interest rate controls,
credit controls and price controls.
 
Companies in the financial services sector are subject to rapid business
changes, significant competition, value fluctuations due to the concentration of
loans in particular industries significantly affected by economic conditions
(such as real estate or energy) and volatile performance dependent upon the
availability and cost of capital and prevailing interest rates. In addition,
general economic conditions significantly affect these companies. Credit and
other losses resulting from the financial difficulty of borrowers or other third
parties potentially may have an adverse effect on companies in these industries.
Foreign banks, particularly those of Japan, have reported financial difficulties
attributed to increased competition, regulatory changes, and general economic
difficulties.
 
The financial services area in the United States currently is changing
relatively rapidly as existing distinctions between various financial service
segments become less clear. For instance, recent business combinations have
included insurance, finance, and securities brokerage under single ownership.
Some primarily retail corporations have expanded into securities and insurance
fields. Investment banking, securities brokerage and investment advisory
companies are subject to government regulation and risk due to securities
trading and underwriting activities.
 
Many of the investment considerations discussed in connection with banks,
savings institutions and loan associations, and finance companies also apply to
insurance companies. The performance of insurance company investments will be
subject to risk from several factors. The earnings of insurance companies will
be affected by interest rates, pricing (including severe pricing competition
from time to time), claims activity, marketing competition and general economic
conditions. Particular insurance lines also will be influenced by specific
matters. Property and casualty insurer profits may be affected by certain
weather catastrophes and other disasters. Life and health insurer profits may be
affected by mortality and morbidity rates. Individual companies may be exposed
to material risks, including reserve inadequacy, problems in investment
portfolios (due to real estate or "junk" bond holdings, for example), and the
inability to collect from reinsurance carriers. Insurance companies are subject
to extensive governmental regulation, including the imposition of maximum rate
levels, which may not be adequate for some lines of business. Proposed or
potential anti-
 
                               Prospectus Page 27
<PAGE>
                             GT GLOBAL THEME FUNDS
trust or tax law changes also may affect adversely insurance companies' policy
sales, tax obligations and profitability.
 
INFRASTRUCTURE FUND AND INFRASTRUCTURE PORTFOLIO.
Infrastructure industries may be subject to greater political, environmental and
other governmental regulation than many other industries. The nature of such
regulation continues to evolve in both the United States and foreign countries,
and changes in governmental policy and the need for regulatory approvals may
have a material effect on the products and services offered by companies in the
infrastructure industries. Electric, gas, water and most telecommunications
companies in the United States, for example, are subject to both federal and
state regulation affecting permitted rates of return and the kinds of services
that may be offered. Governmental regulation may also hamper the development of
new technologies.
 
In addition, many infrastructure companies have historically been subject to the
risks attendant to increases in fuel and other operating costs, high interest
costs on borrowed funds, costs associated with compliance with environmental and
other safety regulations and changes in the regulatory climate. Further,
competition is intense for many infrastructure companies. As a result, many of
these companies may be adversely affected in the future and such companies may
be subject to increased share price volatility. In addition, many companies have
diversified into oil and gas exploration and development, and therefore returns
may be more sensitive to energy prices. Other infrastructure companies, such as
water supply companies, are in a highly fragmented industry due to local
ownership. Generally these companies are mature and are experiencing little or
no growth. Changes in prevailing interest rates may also affect the
Infrastructure Fund's share values because prices of equity and debt securities
of infrastructure companies often tend to increase when interest rates decline
and decrease when interest rates rise.
 
NATURAL RESOURCES FUND AND NATURAL RESOURCES PORTFOLIO. Natural resource
industries may be subject to greater political, environmental and other
governmental regulation than many other industries. The nature of such
regulation continues to evolve in both the United States and foreign countries,
and changes in governmental policies and the need for regulatory approvals may
have a material effect on the products and services offered by companies in the
natural resource industries. For example, the exploration, development and
distribution of coal, oil and gas in the United States are subject to
significant federal and state regulation, which may affect rates of return on
such investments and the kinds of services that may be offered. Governmental
regulation may also hamper the development of new technologies.
 
In addition, many natural resource companies historically have been subject to
significant costs associated with compliance with environmental and other safety
regulations. Further, competition is intense for many natural resource
companies. As a result, many of these companies may be adversely affected in the
future and the value of the securities issued by such companies may be subject
to increased share price volatility. Such companies may also be subject to
irregular fluctuations in earnings due to changes in the availability of money,
the level of interest rates, and other factors.
 
The value of securities of natural resource companies will fluctuate in response
to market conditions for the particular natural resources with which the issuers
are involved. The price of natural resources will fluctuate due to changes in
worldwide levels of inventory, and changes, perceived or actual, in production
and consumption. With respect to precious metals, such price fluctuations may be
substantial over short periods of time. In addition, the value of natural
resources may fluctuate directly with respect to various stages of the
inflationary cycle and perceived inflationary trends and are subject to numerous
factors, including national and international politics.
 
CONSUMER PRODUCTS AND SERVICES FUND AND CONSUMER PRODUCTS AND SERVICES
PORTFOLIO. The performance of consumer products and services companies, relates
closely to the actual or perceived performance of the overall economy, interest
rates and consumer confidence. In addition, changes in demographics and consumer
tastes may also affect the demand for, and success of, particular consumer
products and services. Many consumer products and services companies have
unpredictable earnings, due in part to changes in consumer tastes and intense
competition. As a result, such companies may be subject to increased share price
volatility. The consumer products and services industries may also be subject to
greater government regulation, including trade regulation, than many other
industries. Changes in governmental policy and the need for regulatory approvals
may have a material effect on the products and services offered by companies in
the consumer products and services industries. Such governmental regulations may
also hamper the development of new business opportunities.
 
                               Prospectus Page 28
<PAGE>
                             GT GLOBAL THEME FUNDS
 
HEALTH CARE FUND. Health care industries generally are subject to substantial
governmental regulation. Changes in governmental policy or regulation could have
a material effect on the demand for products and services offered by companies
in the health care industries and therefore could affect the performance of the
Health Care Fund. Regulatory approvals are generally required before new drugs
and medical devices or procedures may be introduced and before the acquisition
of additional facilities by health care providers. In addition, the products and
services offered by such companies may be subject to rapid obsolescence caused
by technological and scientific advances.
 
TELECOMMUNICATIONS FUND. Telecommunications industries may be subject to greater
governmental regulation than many other industries and changes in governmental
policy and the need for regulatory approvals may have a material effect on the
products and services offered by companies in the telecommunications industries.
Telephone operating companies in the United States, for example, are subject to
both federal and state regulation affecting permitted rates of return and the
kinds of services that may be offered. Certain types of companies in the
telecommunications industries are engaged in fierce competition for market share
that could result in increased share price volatility.
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally will not be registered with, nor the
issuers thereof be subject to, the reporting requirements of the SEC.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available about domestic securities and issuers.
Foreign companies generally are not subject to uniform accounting, auditing and
financial reporting standards, practices and requirements comparable to those
applicable to domestic companies. In addition, certain costs attributable to
foreign investing, such as custody charges, are higher than those attributable
to domestic investing. Securities of some foreign companies are less liquid and
their prices may be more volatile than securities of comparable domestic
companies. The Theme Portfolios' interest and dividends from foreign issuers may
be subject to non-U.S. withholding taxes, thereby reducing the Theme Portfolios'
net investment income.
 
With respect to some foreign countries, there is the increased possibility of
expropriation or confiscatory taxation, limitations on the removal of funds or
other assets of the Theme Portfolios, political or social instability, or
diplomatic developments which could affect the Theme Portfolios' investments in
those countries. Moreover, individual foreign economies may differ favorably or
unfavorably from the U.S. economy in such respects as growth of gross national
product, rate of inflation, rate of savings and capital reinvestment, resource
self-sufficiency and balance of payments positions.
 
Each Theme Portfolio may invest in issuers domiciled in "emerging markets."
Investing in emerging market countries involves risks in addition to those risks
involved in foreign investing. Many emerging market countries have experienced
high rates of inflation for many years. In addition, emerging markets generally
are dependent heavily upon international trade and, accordingly, have been and
continue to be affected adversely by trade barriers, exchange controls, managed
adjustments in relative currency values and other protectionist measures imposed
or negotiated by the countries with which they trade. The securities markets of
emerging market countries are substantially smaller, less developed, less liquid
and more volatile than the securities markets of the developed countries. In
addition, issuers in emerging markets typically are subject to a greater degree
of change in earnings and business prospects than issuers in developed
countries.
 
The Theme Portfolios will also be affected favorably or unfavorably by exchange
control regulations or changes in the exchange rates between foreign currencies
and the U.S. dollar. Changes in currency exchange rates will influence the value
of the Funds' shares, and also may affect the value of dividends and interest
earned by the Theme Portfolios and gains and losses realized by the Theme
Portfolios.
 
   
LOWER QUALITY DEBT SECURITIES. The Financial Services Portfolio, the Health Care
Fund and the Telecommunications Fund may each invest up to 5%, and the
Infrastructure Portfolio, Natural Resources Portfolio and Consumer Products and
Services Portfolio may each invest up to 20%, of its total assets in below
investment grade debt securities, that is, rated below BBB by Standard & Poor's,
a division of The McGraw-Hill Companies, Inc. ("S&P"), or Baa by Moody's
Investors Service, Inc. ("Moody's") or, if unrated, deemed to be of equivalent
quality in the judgment of the Sub-adviser. Such investments involve a high
degree of risk. However, no Theme Portfolio will invest in debt securities that
are in default as to payment of principal and interest.
    
 
                               Prospectus Page 29
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Debt rated Baa by Moody's is considered by Moody's to have speculative
characteristics. Debt rated BB, B, CCC, CC or C by S&P and debt rated Ba, B,
Caa, Ca or C by Moody's is regarded, on balance, as predominantly speculative
with respect to the issuer's capacity to pay interest and repay principal in
accordance with the terms of the obligation. While such lower quality debt will
likely have some quality and protective characteristics, these are outweighed by
large uncertainties or major risk exposures to adverse conditions. Debt rated C
by Moody's or S&P is the lowest rated debt that is not in default as to
principal or interest, and such issues so rated can be regarded as having
extremely poor prospects of ever attaining any real investment standing. Lower
quality debt securities are also generally considered to be subject to greater
risk than securities with higher ratings with regard to a deterioration of
general economic conditions. These lower quality debt securities are the
equivalent of high yield, high risk bonds, commonly known as "junk bonds."
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit ratings in response to subsequent events, so that an issuer's
current financial condition may be better or worse than a rating indicates. See
"Description of Debt Ratings" in the Statement of Additional Information for a
full discussion of Moody's and S&P's ratings.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. Issuers of lower quality securities are often highly
leveraged and may not have available to them more traditional methods of
financing. For example, during an economic downturn or a sustained period of
rising interest rates, highly leveraged issuers of lower quality securities may
experience financial stress. During such periods, such issuers may not have
sufficient revenues to meet their interest payment obligations. The issuer's
ability to service its debt obligations may also be adversely affected by
specific developments affecting the issuer, such as the issuer's inability to
meet specific projected business forecasts or the unavailability of additional
financing. The risk of loss due to default by the issuer is significantly
greater for the holders of lower quality securities because such securities are
generally unsecured and may be subordinated to the claims of other creditors of
the issuer.
 
Lower quality debt securities of corporate issuers frequently have call or
buy-back features which would permit an issuer to call or repurchase the
security from the Theme Portfolios. If an issuer exercises these provisions in a
declining interest rate market, the Theme Portfolios may have to replace the
security with a lower yielding security, resulting in a decreased return for
investors. In addition, the Theme Portfolios may have difficulty disposing of
lower quality securities because they may have a thin trading market. There may
be no established retail secondary market for many of these securities, and each
of the Theme Portfolios anticipates that such securities could be sold only to a
limited number of dealers or institutional investors. The lack of a liquid
secondary market also may have an adverse impact on market prices of such
instruments and may make it more difficult for the Theme Portfolios to obtain
accurate market quotations for purposes of valuing the Theme Portfolios
portfolio investments. The Theme Portfolios may also acquire lower quality debt
securities during an initial underwriting or which are sold without registration
under applicable securities laws. Such securities involve special considerations
and risks.
 
In addition to the foregoing, factors that could have an adverse effect on the
market value of lower quality debt securities in which the Theme Portfolios may
invest include: (i) potential adverse publicity; (ii) heightened sensitivity to
general economic or political conditions; and (iii) the likely adverse impact of
a major economic recession. A Theme Portfolio may also incur additional expenses
to the extent it is required to seek recovery upon a default in the payment of
principal or interest on portfolio holdings, and the Theme Portfolio may have
limited legal recourse in the event of a default.
 
   
ILLIQUID SECURITIES. Each Theme Portfolio may invest up to 15% of its net assets
in securities for which no readily available market exists, so-called "illiquid
securities." The Sub-adviser believes that carefully selected investments in
joint ventures, cooperatives, partnerships and state enterprises which are
illiquid (collectively, "Special
    
 
                               Prospectus Page 30
<PAGE>
                             GT GLOBAL THEME FUNDS
Situations") could enable the Theme Portfolios to achieve capital appreciation
substantially exceeding the appreciation the Theme Portfolios would realize if
they did not make such investments. However, in order to attempt to limit
investment risk, each Theme Portfolio will invest no more than 5% of its total
assets in Special Situations.
 
   
Illiquid securities may be more difficult to value than liquid securities and
the sale of illiquid securities generally will require more time and result in
higher brokerage charges or dealer discounts and other selling expenses than the
sale of liquid securities. Moreover, illiquid securities often sell at a price
lower than similar securities that are liquid.
    
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Although each Theme
Portfolio is authorized to enter into options, futures and forward currency
transactions, a Portfolio might not enter into any such transactions. Options,
futures and foreign currency transactions involve certain risks, which include:
(1) dependence on the Sub-adviser's ability to predict movements in the prices
of individual securities, fluctuations in the general securities markets or in
the appropriate market sector and movements in interest rates and currency
markets; (2) imperfect correlation, or even no correlation, between movements in
the price of options, forward contracts, futures contracts or options thereon
and movements in the price of the currency or security hedged or used for cover;
(3) the fact that skills and techniques needed to trade options, futures
contracts and options thereon or to use forward currency contracts are different
from those needed to select the securities in which a Theme Portfolio invests;
(4) lack of assurance that a liquid secondary market will exist for any
particular option, futures contract or option thereon at any particular time;
(5) the possible loss of principal under certain conditions; and (6) the
possible inability of a Theme Portfolio to purchase or sell a portfolio security
at a time when it would otherwise be favorable for it to do so, or the possible
need for a Theme Portfolio to sell a security at a disadvantageous time, due to
the need for the Theme Portfolio to maintain "cover" or to set aside securities
in connection with hedging transactions.
    
 
INVESTING IN SMALLER COMPANIES. While each Theme Portfolio's portfolio normally
will include securities of established suppliers of traditional products and
services, each Theme Portfolio may invest in smaller companies which can benefit
from the development of new products and services. These smaller companies may
present greater opportunities for capital appreciation, but may also involve
greater risks than large, established issuers. Such smaller companies may have
limited product lines, markets or financial resources, and their securities may
trade less frequently and in more limited volume than the securities of larger,
more established companies. As a result, the prices of the securities of such
smaller companies may fluctuate to a greater degree than the prices of the
securities of other issuers.
 
                               Prospectus Page 31
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Shares of a Fund may be purchased through Financial Institutions, some
of which may charge the investor a transaction fee. That fee will be in addition
to the sales charge payable by the investor, with respect to Class A shares.
Some of these Financial Institutions (or their designees) may be authorized to
accept purchase orders on behalf of the Fund. All purchase orders will be
executed at the public offering price next determined after the purchase order
is received, which includes any applicable sales charge for Class A shares.
Orders received by the Transfer Agent before the close of regular trading on the
New York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern Time, unless
weather, equipment failure or other factors contribute to an earlier closing
time) on any Business Day will be executed at the public offering price for the
applicable class of shares determined that day. Orders received by authorized
institutions (or their designees) before the close of regular trading on the
NYSE on a Business Day will be deemed to have been received by a Fund on such
day and will be effected that day, provided that such orders are transmitted to
the Transfer Agent prior to the time set for receipt of such orders. A "Business
Day" is any day Monday through Friday on which the NYSE is open for business.
Financial Institutions are responsible for forwarding the investor's order to
the Transfer Agent so that it will be received prior to the required time.
    
 
   
The minimum initial investment is $500 ($100 for IRAs and $25 for custodial
accounts under Section 403(b)(7) of the Internal Revenue Code of 1986, as
amended (the "Code"), and other tax-qualified employer-sponsored retirement
accounts, if made under a systematic investment plan providing for monthly
payments of at least that amount). The minimum for additional purchases is $100
($25 for IRAs, Code Section 403 (b)(7) custodial accounts and other
tax-qualified employer-sponsored retirement accounts, as mentioned above). THE
FUNDS AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER AND TO
SUSPEND THE OFFERING OF SHARES FOR A PERIOD OF TIME. In particular, the Funds
and AIM Distributors may reject purchase orders or exchanges by investors who
appear to follow, in the Sub-adviser's judgment, a market-timing strategy or
otherwise engage in excessive trading. See "How To Make Exchanges -- Limitations
on Purchase Orders and Exchanges."
    
 
   
WHEN PLACING PURCHASE ORDERS, INVESTORS SHOULD SPECIFY WHETHER THE ORDER IS FOR
CLASS A OR CLASS B SHARES OF THE FUNDS. ALL PURCHASE ORDERS THAT FAIL TO SPECIFY
A CLASS WILL AUTOMATICALLY BE INVESTED IN CLASS A SHARES. AIM DISTRIBUTORS WILL
REJECT ANY ORDER FOR PURCHASE OF MORE THAN $250,000 FOR CLASS B SHARES.
    
 
   
PURCHASES THROUGH THE TRANSFER AGENT. After an initial investment is made and a
shareholder account is established through a Financial Institution, at the
investor's option, subsequent purchases may be made directly through the
Transfer Agent. See "Shareholder Account Manual." Investors may also make an
initial investment in the Fund and establish a shareholder account directly
through the Transfer Agent by completing and signing an Account Application
accompanying this Prospectus. Investors should mail to the Transfer Agent the
completed Application together with a check to cover the purchase in accordance
with the instructions provided in the Shareholder Account Manual. Purchases will
be executed at the public offering price next determined after the Transfer
Agent has received the Account Application and check. Subsequent investments do
not need to be accompanied by an application.
    
 
   
Investors also may purchase shares of the Funds by bank wire. Bank wire
purchases will be effected at the next determined public offering price after
the bank wire is received. A wire investment is considered received when the
Transfer Agent is notified that the bank wire has been credited to a Fund. The
investor is responsible for providing prior telephonic or facsimile notice to
the Transfer Agent that a bank wire is being sent. An investor's bank may charge
a service fee for wiring money to a Fund. The Transfer Agent currently does not
charge a service fee for facilitating wire purchases, but reserves the right to
do so in the future. Investors desiring to open an account by bank wire should
call the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual to obtain an account number and detailed
instructions.
    
 
                               Prospectus Page 32
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
CERTIFICATES. Physical certificates representing the Funds' shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of
the Funds are recorded on a register by the Transfer Agent, and shareholders who
do not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
of properly executed certificates is required. ACCORDINGLY, THE FUNDS RECOMMEND
THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
    
 
DIFFERENCES BETWEEN THE CLASSES. The primary difference between the classes of
each Fund's shares offered through this Prospectus lies in their sales charge
structures and ongoing expenses, as summarized below. Class A and Class B shares
of a Fund represent interests in the same Fund and have the same rights, except
that each class bears the separate expenses of its 12b-1 distribution plan and
has exclusive voting rights with respect to such plan, each class can experience
other minor expense differences and, in addition to different sales charges,
each class has a separate exchange privilege.
 
   
The decision as to which class of shares is more beneficial to an investor
depends on the amount invested, the intended length of time the investment is
held and the investor's personal situation. Large investments may qualify for a
reduced Class A sales charge. Investors in Class B shares have 100% of the
purchase invested immediately. Consult your financial adviser. Financial
Institutions may receive different levels of compensation for selling a
particular class of shares.
    
 
   
[ADVISOR CLASS SHARES. Advisor Class shares are offered through a separate
prospectus to [(a) trustees or other fiduciaries purchasing shares for employee
benefit plans that are sponsored by organizations that have at least 1,000
employees; (b) any account with assets of at least $10,000 if (i) a financial
planner, trust company, bank trust department or registered investment adviser
has investment discretion over the account and (ii) the account holder pays such
person as compensation for its advice and other services an annual fee of at
least .50% of the assets in the account; (c) any account with assets of at least
$10,000 if (i) the account is established under a "wrap fee" program and (ii)
the account holder pays the sponsor of the program an annual fee of at least
 .50% of the assets in the account; (d) accounts advised by one of the companies
composing or affiliated with AMVESCAP PLC; (e) any of those companies; and (f)
GT Global New Dimension Fund.]
    
 
                           PURCHASING CLASS A SHARES
 
Each Fund's public offering price for Class A shares is the next determined net
asset value per share (see "Calculation of Net Asset Value") plus a sales charge
determined in accordance with the following schedule:
 
   
<TABLE>
<CAPTION>
                                                          DEALER
                        INVESTOR'S SALES CHARGE         CONCESSION
                    --------------------------------  ---------------
                         AS A             AS A             AS A
                      PERCENTAGE       PERCENTAGE       PERCENTAGE
AMOUNT OF               OF THE           OF THE           OF THE
INVESTMENT              PUBLIC             NET            PUBLIC
IN SINGLE              OFFERING          AMOUNT          OFFERING
TRANSACTION              PRICE          INVESTED           PRICE
- ------------------  ---------------  ---------------  ---------------
<S>                 <C>              <C>              <C>
Less than
  $50,000.........           4.75%            4.99%           4.00%
$50,000 but less
  than $100,000...           4.00             4.17            3.25
$100,000 but less
  than $250,000...           3.75             3.90            3.00
$250,000 but less
  than $500,000...           2.50             2.56            2.00
$500,000 but less
  than
  $1,000,000......           2.00             2.04            1.60
</TABLE>
    
 
   
PURCHASES OF $1,000,000 OR MORE ARE AT NET ASSET VALUE, SUBJECT TO A CONTINGENT
DEFERRED SALES CHARGE OF 1% IF SHARES ARE REDEEMED PRIOR TO 18 MONTHS FROM THE
DATE SUCH SHARES WERE PURCHASED. AIM Distributors may pay a dealer concession
and/or advance a service fee on such transactions. Shares purchased prior to
June 1, 1998 without a sales charge based on the aggregate purchase amount equal
to at least $500,000 are subject to a contingent deferred sales charge for the
first year after their purchase equal to 1% of the lower of the original
purchase price or the net asset value of such shares at the time of redemption.
    
 
   
Reductions in the initial sales charges shown in the sales charge tables
(quantity discounts) apply to purchases of Class A shares of the GT Global
Mutual Funds that are otherwise subject to an initial sales charge, provided
that such purchases are made by a "purchaser" as hereinafter defined. Purchases
of Class B shares of the GT Global Mutual Funds and The AIM Family of Funds will
not be taken into account in determining whether a
    
 
                               Prospectus Page 33
<PAGE>
                             GT GLOBAL THEME FUNDS
   
purchase qualifies for a reduction in initial sales charges.
    
 
   
The term "purchaser" means:
    
 
   
/ / an individual and his or her spouse and children, including any trust
    established exclusively for the benefit of any such person; or a pension,
    profit-sharing, or other benefit plan established exclusively for the
    benefit of any such person, such as an IRA, Roth IRA, a single-participant
    money- purchase/profit-sharing plan or an individual participant in a 403(b)
    Plan (unless such 403(b) plan qualifies as the purchaser as defined below);
    
 
   
/ / a 403(b) plan, the employer/sponsor of which is an organization described
    under Section 501(c)(3) of the Code, provided that:
    
 
   
  a. the employer/sponsor must submit contributions for all participating
     employees in a single contribution transmittal (i.e., the funds will not
     accept contributions submitted with respect to individual participants);
    
 
   
  b. each transmittal must be accompanied by a single check or wire transfer;
     and
    
 
   
  c. all new participants must be added to the 403(b) plan by submitting an
     application on behalf of each new participant with the contribution
     transmittal;
    
 
   
/ / a trustee or fiduciary purchasing for a single trust, estate or single
    fiduciary account (including a pension, profit-sharing or other employee
    benefit trust created pursuant to a plan qualified under Section 401 of the
    Code) and 457 plans, although more than one beneficiary or participant is
    involved;
    
 
   
/ / a Simplified Employee Pension ("SEP"), Salary Reduction and other Elective
    Simplified Employee Pension account ("SARSEP"), a Savings Incentive Match
    Plans for Employees IRA ("SIMPLE IRA") where the employer has notified AIM
    Distributors in writing that all of its related employee SEP, SARSEP or
    SIMPLE IRA accounts should be linked;
    
 
   
/ / any other organized group of persons, whether incorporated or not, provided
    the organization has been in existence for at least six months and has some
    purpose other than the purchase at a discount of redeemable securities of a
    registered investment company; or
    
 
   
/ / the discretionary advised accounts of AIM or A I M Capital Management, Inc.
    ("AIM Capital").
    
 
   
SALES CHARGE WAIVERS -- CLASS A SHARES. The following persons may purchase Class
A shares of the Funds through AIM Distributors without payment of an initial
sales charge: (a) AIM Management Group Inc. ("AIM Management") and its
affiliated companies; (b) any current or retired officer, director, trustee or
employee, or any member of the immediate family (including spouse, children,
parents and parents of spouse) of any such person, of AIM Management or its
affiliates or of certain mutual funds which are advised or managed by AIM; or
any trust established exclusively for the benefit of such persons; (c) any
employee benefit plan established for employees of AIM Management or its
affiliates; (d) any current or retired officer, director, trustee or employee,
or any member of the immediate family (including spouse, children, parents and
parents of spouse) of any such person, or of CIGNA Corporation or of any of its
affiliated companies, or of First Data Investor Services Group (formerly The
Shareholders Services Group, Inc.); (e) any investment company sponsored by
CIGNA Investments, Inc. or any of its affiliated companies for the benefit of
its directors' deferred compensation plans; (f) discretionary advised clients of
AIM or AIM Capital; (g) registered representatives and employees of dealers who
have entered into agreements with AIM Distributors (or financial institutions
that have arrangements with such dealers with respect to the sale of shares of
the GT Global Mutual Funds or funds of The AIM Family of Funds) and any member
of the immediate family (including spouse, children, parents and parents of
spouse) of any such person, provided that purchases at net asset value are
permitted by the policies of such person's employer; (h) certain broker-dealers,
investment advisers or bank trust departments that provide asset allocation,
similar specialized investment services or investment company transaction
services for their customers, that charge a minimum annual fee for such
services, and that have entered into an agreement with AIM Distributors with
respect to their use of the GT Global Mutual Funds or funds of The AIM Family of
Funds in connection with such services; (i) employees of Triformis Inc.; (j)
shareholders of any of the GT Global Mutual Funds as of April 30, 1987 who since
that date continually have owned shares of one or more of the GT Global Mutual
Funds; and (k) certain former AMA Investment Advisers' shareholders who became
shareholders of the GT Global Health Care Fund in October 1989, and who have
continuously held shares in the GT Global Mutual Funds since that time.
    
 
                               Prospectus Page 34
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
In addition, shares of any GT Global Mutual Fund may be purchased at net asset
value, without payment of a sales charge, by pension, profit-sharing or other
employee benefit plans created pursuant to a plan qualified under Section 401 of
the Code or plans under Section 457 of the Code, or employee benefit plans
created pursuant to Section 403(b) of the Code and sponsored by nonprofit
organizations defined under Section 501(c)(3) of the Code. Such plans will
qualify for purchases at net asset value provided that (1) the total amount
invested in the plan is at least $1,000,000, (2) the sponsor signs a $1,000,000
Letter of Intent, (3) such shares are purchased by an employer-sponsored plan
with at least 100 eligible employees, or (4) all of the plan's transactions are
executed through a single financial institution or service organization who has
entered into an agreement with AIM Distributors with respect to their use of the
GT Global Mutual Funds in connection with such accounts. Section 403(b) plans
sponsored by public educational institutions will not be eligible for net asset
value purchases based on the aggregate investment made by the plan or the number
of eligible employees. Participants in such plans will be eligible for reduced
sales charges based solely on the aggregate value of their individual
investments in the applicable GT Global Mutual Fund. AIM Distributors may pay
investment dealers or other financial service firms for share purchases of the
GT Global Mutual Funds sold at net asset value to an employee benefit plan in
accordance with this paragraph as follows: 1% of the first $2 million of such
purchases, plus 0.80% of the next $1 million of such purchases, plus 0.50% of
the next $17 million of such purchases, and plus 0.25% of amounts in excess of
$20 million of such purchases.
    
 
   
FOR ANY FUND NAMED ON THE COVER PAGE OF THIS PROSPECTUS, AIM DISTRIBUTORS AND
ITS AGENTS RESERVE THE RIGHT AT ANY TIME (1) TO WITHDRAW ALL OR ANY PART OF THE
OFFERING MADE BY THIS PROSPECTUS; (2) TO REJECT ANY PURCHASE OR EXCHANGE ORDER
OR TO CANCEL ANY PURCHASE DUE TO NONPAYMENT OF THE PURCHASE PRICE; (3) TO
INCREASE, WAIVE OR LOWER THE MINIMUM INVESTMENT REQUIREMENTS; OR (4) TO MODIFY
ANY OF THE TERMS OR CONDITIONS OF PURCHASE OF SHARES OF SUCH FUND. For any Fund
named on the cover page, AIM Distributors and its agents will use their best
efforts to provide notice of any such actions through correspondence with
broker-dealers and existing shareholders, supplements to the GT Global Mutual
Funds' prospectuses, or other appropriate means, and will provide sixty (60)
days' notice in the case of termination or material modification to the exchange
privilege discussed under the caption "How to Make Exchanges."
    
 
   
REINSTATEMENT PRIVILEGE. Shareholders who redeem their Class A shares in a Fund
have a one-time privilege of reinstating their investment by investing the
proceeds of the redemption at net asset value without a sales charge in Class A
shares of that Fund and/or one or more of the other GT Global Mutual Funds. The
Transfer Agent must receive from the investor or the investor's broker/dealer
within 180 days after the date of the redemption both a written request for
reinvestment and a check not exceeding the amount of the redemption proceeds.
The reinstatement purchase will be effected at the net asset value per share
next determined after such receipt. Gain on the redemption is taxable
notwithstanding exercise of the reinvestment privilege (although loss thereon
might not be deductible as a result of such exercise). See "Dividends, Other
Distributions and Federal Income Taxation."
    
 
   
REDUCED SALES CHARGE PLANS. Class A shares may be purchased at reduced sales
charges either through the Right of Accumulation or under a Letter of Intent.
Investors should contact their Financial Institution or the Transfer Agent for
more information.
    
 
   
RIGHT OF ACCUMULATION. Pursuant to the Right of Accumulation, investors are
permitted to purchase shares of a Fund at the sales charge applicable to the
total of (a) the dollar amount then being purchased plus (b) the dollar amount
of the investor's concurrent purchases of other GT Global Mutual Funds (other
than GT Global Dollar Fund) and funds of The AIM Family of Funds plus (c) the
price of all shares of GT Global Mutual Funds (other than shares of GT Global
Dollar Fund not acquired by exchange) and funds of The AIM Family of Funds
already held by the investor. To receive the Right of Accumulation, at the time
of purchase investors must give their Financial Institution, the Transfer Agent
or AIM Distributors sufficient information to permit confirmation of
qualification. THE FOREGOING RIGHT OF ACCUMULATION APPLIES ONLY TO CLASS A
SHARES OF THE FUNDS AND OTHER GT GLOBAL MUTUAL FUNDS (OTHER THAN GT GLOBAL
DOLLAR FUND).
    
 
                               Prospectus Page 35
<PAGE>
                             GT GLOBAL THEME FUNDS
 
LETTER OF INTENT. In executing a Letter of Intent ("LOI"), an investor indicates
an aggregate investment amount he or she intends to invest in the Class A shares
of a Fund and the Class A shares of other GT Global Mutual Funds (other than
shares of GT Global Dollar Fund) in the following thirteen months. The LOI is
included as part of the Account Application located at the end of this
Prospectus. The sales charge applicable to that aggregate amount then becomes
the applicable sales charge on all purchases made concurrently with the
execution of the LOI and in the thirteen months following that execution. If an
investor executes an LOI within 90 days of a prior purchase of GT Global Mutual
Fund Class A shares (other than shares of GT Global Dollar Fund), the prior
purchase may be included under the LOI and an appropriate adjustment, if any,
with respect to the sales charges paid by the investor in connection with the
prior purchase will be made, based on the then-current net asset value(s) of the
pertinent Fund(s).
 
   
If at the end of the thirteen month period covered by the LOI the total amount
of purchases does not equal the amount indicated, the investor will be required
to pay the difference between the sales charges paid at the reduced rate and the
sales charges applicable to the purchases actually made. Shares having a value
equal to 5% of the amount specified in the LOI will be held in escrow during the
thirteen month period (while remaining registered in the investor's name) and
are subject to redemption to assure any necessary payment to AIM Distributors of
a higher applicable sales charge.
    
 
For purposes of an LOI, any registered investment adviser, trust company or bank
trust department which exercises investment discretion and which intends within
thirteen months to invest $500,000 or more can be treated as a single purchaser,
provided further that such entity places all purchase and redemption orders.
Such entities should be prepared to establish their qualifications for such
treatment. THE FOREGOING LOI APPLIES ONLY TO CLASS A SHARES OF THE FUNDS AND
OTHER GT GLOBAL MUTUAL FUNDS (OTHER THAN GT GLOBAL DOLLAR FUND).
 
   
CONTINGENT DEFERRED SALES CHARGE. A CONTINGENT DEFERRED SALES CHARGE OF 1%
APPLIES TO PURCHASES OF CLASS A SHARES OF $1,000,000 OR MORE THAT ARE REDEEMED
WITHIN 18 MONTHS OF THE DATE OF PURCHASE. This charge will be 1% of the lesser
of the value of the shares redeemed (excluding reinvested dividends and capital
gain distributions) or the total original cost of such shares. In determining
whether a contingent deferred sales charge is payable, and the amount of any
such charge, shares not subject to the contingent deferred sales charge are
redeemed first (including shares purchased by reinvested dividends and capital
gains distributions and amounts representing increases from capital
appreciation), and then other shares are redeemed in the order of purchase. No
such charge will be imposed upon exchanges unless the shares acquired by
exchange are redeemed within 18 months of the date the shares were originally
purchased. For purposes of computing this 18 MONTH PERIOD, shares of any GT
Global Mutual Fund which were acquired through an exchange of shares which
previously were subject to the 1% contingent deferred sales charge will be
credited with the period of time such exchanged shares were held. The charge
will be waived in the following circumstances: (l) redemptions of shares by
employee benefit plans ("Plans") qualified under Sections 401 or 457 of the
Code, or Plans created under Section 403(b) of the Code and sponsored by
nonprofit organizations as defined under Section 501(c)(3) of the Code, where
shares are being redeemed in connection with employee terminations or
withdrawals, and (a) the total amount invested in a Plan is at least $1,000,000,
(b) the sponsor of a Plan signs a letter of intent to invest at least $1,000,000
in one or more of the GT Global Mutual Funds and AIM Funds, or (c) the shares
being redeemed were purchased by an employer-sponsored Plan with at least 100
eligible employees; provided, however, that Plans created under Section 403(b)
of the Code which are sponsored by public educational institutions shall qualify
under (a), (b) or (c) above on the basis of the value of each Plan participant's
aggregate investment in the GT Global Mutual Funds and AIM Funds, and not on the
aggregate investment made by the Plan or on the number of eligible employees;
(2) redemptions of shares following the death or post-purchase disability, as
defined in Section 72(m)(7) of the Code, of a shareholder or a settlor of a
living trust; (3) redemptions of shares purchased at net asset value by private
foundations or endowment funds where the initial amount invested was at least
$1,000,000; (4) redemptions of shares purchased by an investor in amounts of
$1,000,000 or more where such investor's dealer of record, due to the nature of
the investor's account, notifies AIM Distributors prior to the time of
investment that the dealer waives the payments otherwise payable to the dealer
by AIM Distributors;
    
 
                               Prospectus Page 36
<PAGE>
                             GT GLOBAL THEME FUNDS
   
and (5) pursuant to a Systematic Withdrawal Plan, provided that amounts
withdrawn under such plan do not exceed on an annual basis 12% of the value of
the shareholder's investment in Class A shares at the time the shareholder
elects to participate in the Systematic Withdrawal Plan. Shareholders who
purchased $500,000 or more of Class A shares prior to June 1, 1998 are entitled
to certain waivers of the contingent deferred sales charge on those shares as
described in the Statement of Additional Information under "Information Relating
to Sales and Redemptions--Sales Charge Waivers for Shares Purchased Prior to
June 1, 1998".
    
 
                           PURCHASING CLASS B SHARES
 
   
Each Fund's public offering price for Class B shares is the next determined net
asset value per share. See "Calculation of Net Asset Value." No initial sales
charge is imposed. A contingent deferred sales charge, however, is imposed on
certain redemptions of Class B shares. Because Class B shares are sold without
an initial sales charge, the Fund receives the full amount of the investor's
purchase payment. Class B shares may not be purchased for a Savings Incentive
Match Plan for Employees IRA ("SIMPLE IRA") for which a designated financial
institution was selected by the employer on Form 5305-SIMPLE. However, Class B
shares may be purchased for SIMPLE IRAs using Form 5304-SIMPLE. In addition,
Class A shares may be purchased for all SIMPLE IRAs.
    
 
   
Class B shares may be redeemed on any business day at the net asset value per
share next determined following receipt of the redemption order, less the
applicable contingent deferred sales charge shown in the table below. No
deferred sales charge will be imposed (i) on redemptions of Class B shares
following six years from the date such shares were purchased, (ii) on Class B
shares acquired through reinvestments of dividends and distributions
attributable to Class B shares or (iii) on amounts that represent capital
appreciation in the shareholder's account above the purchase price of the Class
B shares.
    
 
   
<TABLE>
<CAPTION>
                              CONTINGENT DEFERRED SALES
                                CHARGE AS % OF DOLLAR
YEARS SINCE PURCHASE MADE     AMOUNT SUBJECT TO CHARGE
- ---------------------------  ---------------------------
<S>                          <C>
First......................              5%
Second.....................              4%
Third......................              3%
Fourth.....................              3%
Fifth......................              2%
Sixth......................              1%
Seventh and Following......             None
</TABLE>
    
 
   
In determining whether a contingent deferred sales charge is applicable, it will
be assumed that a redemption is made first, of any shares held in the
shareholder's account that are not subject to such charge; second, of shares
derived from reinvestment of dividends and distributions; third, of shares held
for more than six years from the date such shares were purchased; and fourth, of
shares held less than six years from the date such shares were purchased. The
applicable sales charge will be applied against the lesser of the current market
value of shares redeemed or their original cost.
    
 
For example, assume an investor purchased 100 shares at $10 per share for a cost
of $1,000. Subsequently, the shareholder acquired 15 additional shares through
dividend reinvestment. During the second year after the purchase the investor
decided to redeem $500 of his or her investment. Assuming at the time of the
redemption a net asset value of $11 per share, the value of the investor's
shares would be $1,265 (115 shares at $11 per share). The contingent deferred
sales charge would not be applied to the value of the reinvested dividend
shares. Therefore, the 15 shares currently valued at $165 would be redeemed
without a contingent deferred sales charge. The number of shares needed to fund
the remaining $335 of the redemption would equal 30.455. Using the lower of cost
or market price to determine the contingent deferred sales charge, the original
purchase price of $10 per share would be used. The contingent deferred sales
charge calculation would therefore be 30.455 shares times $10 per share at the
contingent deferred sales charge rate of 4% (the applicable rate in the second
year after purchase) for a total contingent deferred sales charge of $12.18.
 
Class B shares that are acquired pursuant to the exchange privilege during a
tender offer by GT Global Floating Rate Fund, Inc. ("Floating Rate Fund") will
be subject, in lieu of the contingent deferred sales charge described above, to
a contingent deferred sales charge equivalent to the early withdrawal charge on
the common stock of the Floating Rate Fund. The purchase of Class B shares of
the Fund will be deemed to have occurred at the time of the initial purchase of
the Floating Rate Fund's common stock.
 
   
For federal income tax purposes, the amount of the contingent deferred sales
charge will reduce the gain or increase the loss, as the case may be, realized
on a redemption. The amount of any contingent deferred sales charge will be
payable to AIM Distributors.
    
 
                               Prospectus Page 37
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
CONTINGENT DEFERRED SALES CHARGE WAIVERS. Contingent deferred sales charges on
Class B shares will be waived on redemptions (1) following the death or
post-purchase disability, as defined in Section 72(m)(7) of the Code, of a
shareholder or a settlor of a living trust (provided AIM Distributors is
notified of such death or post-purchase disability at the time of the redemption
request and is provided with satisfactory evidence of such death or
post-purchase disability), (2) in connection with certain distributions from
individual retirement accounts, custodial accounts maintained pursuant to Code
Section 403(b), deferred compensation plans qualified under Code Section 457 and
plans qualified under Code Section 401 (collectively, "Retirement Plans'), (3)
pursuant to a Systematic Withdrawal Plan, provided that amounts withdrawn under
such plan do not exceed on an annual basis 12% of the value of the shareholder's
investment in Class B shares at the time the shareholder elects to participate
in the Systematic Withdrawal Plan, (4) effected pursuant to the right of a GT
Global Mutual Fund to liquidate a shareholder's account if the aggregate net
asset value of shares held in the account is less than the designated minimum
account size described in this Prospectus of such GT Global Mutual Fund, and (5)
effected by AIM of its investment in Class B shares.
    
 
   
Waiver category (1) above applies only to redemptions of Class B shares held at
the time of death or initial determination of post-purchase disability. Waiver
category (2) above applies only to redemptions resulting from:
    
 
   
(i)  required minimum distributions to plan participants or beneficiaries who
    are age 70 1/2 or older, and only with respect to that portion of such
    distributions which does not exceed 12% annually of the participant's or
    beneficiary's account value in a particular GT Global Mutual Fund;
    
 
   
(ii) in-kind transfers of assets where the participant or beneficiary notifies
    AIM Distributors of such transfer no later than the time such transfer
    occurs;
    
 
   
(iii) tax-free rollovers or transfers of assets to another Retirement Plan
    invested in Class B shares of one or more GT Global Mutual Funds;
    
 
   
(iv) tax-free returns of excess contributions or returns of excess deferral
    amounts; and
    
 
   
(v) distributions upon the death or disability (as defined in the Code) of the
    participant or beneficiary.
    
   
Shareholders who purchased Class B shares prior to June 1, 1998 are entitled to
certain waivers of the contingent deferred sales charge on those shares as
described in the Statement of Additional Information under "Information Relating
to Sales and Redemptions--Sales Charge Waivers for Shares Purchased Prior to
June 1, 1998."
    
 
   
CONVERSION OF CLASS B SHARES. Class B shares automatically will convert into
Class A shares of the same Fund (together with a pro rata portion of all Class B
shares acquired through the reinvestment of dividends and distributions) eight
years from the end of the calendar month in which the purchase of Class B shares
was made. Following such conversion of Class B shares, investors will be
relieved of the higher Rule 12b-1 Plan payments associated with Class B shares.
    
 
            PROGRAMS APPLICABLE TO CLASS A SHARES AND CLASS B SHARES
 
   
AUTOMATIC INVESTMENT PLAN. Investors may purchase either Class A or Class B
shares of a Fund through the GT Global Automatic Investment Plan. Under this
Plan, an amount specified by the shareholder of $100 or more ($25 or more for
IRAs, Code Section 403(b)(7) custodial accounts and other tax-qualified
employer-sponsored retirement accounts) on a monthly or quarterly basis will be
sent to the Transfer Agent from the investor's bank for investment in the Funds.
Participants in the Automatic Investment Plan should not elect to receive
dividends or other distributions from the Funds in cash. A sales charge will be
applied to each automatic monthly purchase of Class A Fund shares in an amount
determined in accordance with the Right of Accumulation privilege described
above. To participate in the Automatic Investment Plan, investors should
complete the appropriate portion of the Supplemental Application provided at the
end of this Prospectus. Investors should contact their Financial Institution or
AIM Distributors for more information.
    
 
   
[DOLLAR COST AVERAGING PROGRAM. Investors may purchase either Class A or Class B
shares of a Fund through the GT Global Dollar Cost Averaging Program whereby a
shareholder invests the same dollar amount each month. Accordingly, the investor
purchases more shares when a Fund's net asset value is relatively low and fewer
shares when
    
 
                               Prospectus Page 38
<PAGE>
                             GT GLOBAL THEME FUNDS
a Fund's net asset value is relatively high. This can result in a lower average
cost-per-share than if the shareholder followed a less systematic approach.
Dollar cost averaging does not assure a profit and does not protect against loss
in declining markets. Because such a program involves continuous investment in
securities regardless of fluctuating price levels of such securities, investors
should consider their financial ability to continue purchases when prices are
declining.
 
   
A participant in the GT Global Dollar Cost Averaging Program first designates
the size of his or her monthly investment in a Fund ("Monthly Investment") after
participation in the Program begins. The Monthly Investment must be at least
$1,000. The investor then will make an initial investment of at least $10,000 in
the GT Global Dollar Fund. Thereafter, each month an amount equal to the
specified Monthly Investment automatically will be redeemed from the GT Global
Dollar Fund and invested in Fund shares. A sales charge will be applied to each
automatic monthly purchase of Class A Fund shares in an amount determined in
accordance with the Right of Accumulation privilege described above. Investors
should contact their Financial Institution or AIM Distributors for more
information.]
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class(es) of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Fund(s) in a shareholder's Personal Portfolio have appreciated during
a rebalancing period, the Program will result in shares of GT Global Fund(s)
that have appreciated most during the period being exchanged for shares of GT
Global Fund(s) that have appreciated least. SUCH EXCHANGES ARE NOT TAX-FREE AND
MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS THE CASE MAY BE, FOR
FEDERAL INCOME TAX PURPOSES. See "Dividends, Other Distributions and Federal
Income Taxation." Participation in the Program does not assure that a
shareholder will profit from purchases under the Program nor does it prevent or
lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Shareholders participating in
the Program may also participate in the Right of Accumulation, Letter of Intent,
and Dollar Cost Averaging programs. Certain Financial Institutions may charge a
fee for establishing accounts relating to the Program. Investors should contact
their Financial Institution or AIM Distributors for more information.
    
 
                               Prospectus Page 39
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
   
Shares of a Fund may be exchanged for shares of the same class of any other GT
Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical. Class A shares of the Funds also may be exchanged for Class A shares
of funds of The AIM Family of Funds and for AIM Cash Reserve Shares of the AIM
Money Market Fund. However, purchases of Class A shares of GT Global Mutual
Funds of $1,000,000 or more that are subject to a contingent deferred sales
charge may not be exchanged for Class A shares of AIM Limited Maturity Treasury
Fund, AIM Tax-Free Intermediate Fund, or AIM Tax-Exempt Cash Fund. Exchanges
into The AIM Family of Funds will be based on their respective net asset values
without imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES OF CLASS B SHARES. Although currently no exchanges are permitted
between the Fund and funds of The AIM Family of Funds with respect to Class B
shares, the Board of Trustees anticipates that such exchanges will be offered on
or about October 1, 1998.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds and The
AIM Family of Funds include the following:
    
 
   
  - AIM ADVISOR FLEX FUND
    
   
  - AIM ADVISOR INTERNATIONAL VALUE FUND
    
   
  - AIM ADVISOR LARGE CAP VALUE FUND
    
   
  - AIM ADVISOR MULTIFLEX FUND
    
   
  - AIM ADVISOR REAL ESTATE FUND
    
   
  - AIM AGGRESSIVE GROWTH FUND
    
   
  - AIM ASIAN GROWTH FUND
    
   
  - AIM BALANCED FUND
    
   
  - AIM BLUE CHIP FUND
    
   
  - AIM CAPITAL DEVELOPMENT FUND
    
   
  - AIM CHARTER FUND
    
   
  - AIM CONSTELLATION FUND
    
   
  - AIM EUROPEAN DEVELOPMENT FUND
    
   
  - AIM GLOBAL AGGRESSIVE GROWTH FUND
    
   
  - AIM GLOBAL GROWTH FUND
    
   
  - AIM GLOBAL INCOME FUND
    
   
  - AIM GLOBAL UTILITIES FUND
    
   
  - AIM HIGH INCOME MUNICIPAL FUND
    
   
  - AIM HIGH YIELD FUND
    
   
  - AIM INCOME FUND
    
   
  - AIM INTERMEDIATE GOVERNMENT FUND
    
   
  - AIM INTERNATIONAL EQUITY FUND
    
   
  - AIM LIMITED MATURITY TREASURY FUND
    
   
  - AIM MONEY MARKET FUND
    
   
  - AIM MUNICIPAL BOND FUND
    
   
  - AIM SELECT GROWTH FUND
    
   
  - AIM TAX-EXEMPT BOND FUND OF CONNECTICUT
    
   
  - AIM TAX-EXEMPT CASH FUND
    
   
  - AIM TAX-FREE INTERMEDIATE FUND
    
   
  - AIM VALUE FUND
    
   
  - AIM WEINGARTEN FUND
    
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
If an investor does not surrender all of his or her shares in an exchange, the
remaining balance in the investor's account after the exchange must be at least
$500. Exchange requests received in good order by the Transfer Agent before the
close of regular trading on the NYSE on any Business Day will be processed at
the net asset value calculated on that day. The terms of the exchange offer may
be modified at any time, on 60 days' prior written notice.
    
 
                               Prospectus Page 40
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
An investor interested in making an exchange should contact his or her Financial
Institution or the Transfer Agent to request the prospectus of the other GT
Global Mutual Fund(s) being considered. Certain Financial Institutions may
charge a fee for handling exchanges.
    
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange instructions to the
shareholder's Financial Institution or the Transfer Agent by telephone at the
appropriate toll-free number provided in the Shareholder Account Manual.
Exchange orders will be accepted by telephone provided that the exchange
involves only uncertificated shares on deposit in the shareholder's account or
for which certificates have previously been deposited. Shareholders
automatically have telephone privileges to authorize exchanges. The Funds, AIM
Distributors and the Transfer Agent will not be liable for any loss or damage
for acting in good faith upon instructions received by telephone and reasonably
believed to be genuine. The Funds employ reasonable procedures to confirm that
instructions communicated by telephone are genuine prior to acting upon
instructions received by telephone, including requiring some form of personal
identification, providing written confirmation of such transactions, and/or tape
recording of telephone instructions.
    
 
   
EXCHANGES BY MAIL. Exchange orders should be sent by mail to the shareholder's
Financial Institution or to the Transfer Agent at the address set forth in the
Shareholder Account Manual.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 41
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
Fund shares may be redeemed at their net asset value (subject to any applicable
contingent deferred sales charge for Class B shares or, in limited
circumstances, Class A shares) and redemption proceeds will be sent within seven
days of the execution of a redemption request. If a redeeming shareholder owns
more than one class of shares, the shareholder must specify the class of shares
to be redeemed.
 
   
REDEMPTIONS THROUGH FINANCIAL INSTITUTIONS. Shareholders with accounts at
Financial Institutions who sell shares of the Funds may submit redemption
requests to such Financial Institutions. If the shares are held in the name of
the Financial Institution, the redemption must be made through the Financial
Institution. Financial Institutions may honor a redemption request either by
repurchasing shares from a redeeming shareholder at the net asset value next
determined after the Financial Institution receives the request or, as described
below, by forwarding such requests to the Transfer Agent (see "How to Redeem
Shares -- Redemptions Through the Transfer Agent"). Redemption proceeds normally
will be paid by check or, if offered by the Financial Institution, credited to
the shareholder's account at the Financial Institution at the election of the
shareholder. Financial Institutions may impose a service charge for handling
redemption transactions placed through them and may have other requirements
concerning redemptions. Accordingly, shareholders should contact their Financial
Institution for more details.
    
 
   
REDEMPTIONS THROUGH THE TRANSFER AGENT. Redemption requests may be transmitted
to the Transfer Agent by telephone or by mail, in accordance with the
instructions provided in the Shareholder Account Manual. Redemptions will be
effected at the net asset value (less any applicable contingent deferred sales
charge for Class B shares or, in limited circumstances, Class A shares) next
determined after the Transfer Agent has received the request or after an
Authorized Institution has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institution. A notary public is not an
acceptable guarantor. A shareholder with questions concerning the Funds'
signature guarantee requirement should contact the Transfer Agent.
    
 
Shareholders may qualify to have redemption proceeds sent to a Pre-Designated
Account by completing the appropriate section of the Account Application at the
end of this Prospectus. Shareholders with Pre-Designated Accounts should request
that redemption proceeds be sent either by bank wire or by check. The minimum
redemption amount for a bank wire is $500. Shareholders requesting a bank wire
should allow two business days from the time the redemption request is effected
for the proceeds to be deposited in the shareholder's Pre-Designated Account.
See "How to Redeem Shares -- Other Important Redemption Information."
Shareholders may change their Pre-Designated Accounts only by a letter of
instruction to the Transfer Agent containing all account signatures, each of
which must be guaranteed. The Transfer Agent currently does not charge a bank
wire service fee for each wire redemption sent, but reserves the right to do so
in the future. The shareholder's bank may charge a bank wire service fee.
 
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual.
 
                               Prospectus Page 42
<PAGE>
                             GT GLOBAL THEME FUNDS
Shareholders who hold certificates for shares may not redeem by telephone.
REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR FIFTEEN DAYS FOLLOWING ANY
CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Funds, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Funds employ reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
SYSTEMATIC WITHDRAWAL PLAN. Shareholders owning shares with a value of $10,000
or more may participate in the GT Global Systematic Withdrawal Plan. A
participating shareholder will receive proceeds from monthly, quarterly or
annual redemptions of Fund shares with respect to either Class A or Class B
shares. No contingent deferred sales charge will be imposed on redemptions made
under the Systematic Withdrawal Plan. The minimum withdrawal amount is $100. The
amount or percentage a participating shareholder specifies to be redeemed may
not, on an annualized basis, exceed 12% of the value of the account, as of the
time the shareholder elects to participate in the Systematic Withdrawal Plan. To
participate in the Systematic Withdrawal Plan, investors should complete the
appropriate portion of the Supplemental Application provided at the end of this
Prospectus. Investors should contact their Financial Institution or the Transfer
Agent for more information. With respect to Class A shares, participation in the
Systematic Withdrawal Plan concurrent with purchases of Class A shares may be
disadvantageous to investors because of the sales charges involved and possible
tax implications, and therefore is discouraged. In addition, shareholders who
participate in the Systematic Withdrawal Plan should not elect to reinvest
dividends or other distributions in additional Fund shares. Systematic
withdrawal plans offered by Financial Institutions may have different features.
Accordingly, shareholders should contact their Financial Institution for more
details.
    
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in doubt as to what documents are required should contact
his or her Financial Institution or the Transfer Agent.
    
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone or by
mail will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which the Funds have not
yet received good payment, the Funds may delay payment of redemption proceeds
until the Transfer Agent has assured itself that good payment has been collected
for the purchase of the shares. In the case of purchases by check it can take up
to 10 business days to confirm that the check has cleared and good payment has
been received. Redemption proceeds will not be delayed when shares have been
paid for by wire or when the investor's account holds a sufficient number of
shares for which funds already have been collected.
 
   
A Fund may redeem the shares of any shareholder whose account is reduced to less
than $500 in value through redemptions or other action by the shareholder.
Written notice will be given to the shareholder at least 60 days prior to the
date fixed for such redemption, during which time the shareholder may increase
his or her holdings to an aggregate amount of $500 or more (with a minimum
purchase of $100).
    
 
                               Prospectus Page 43
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
   
Shareholders are encouraged to place purchase, exchange and redemption orders
through their Financial Institutions. Shareholders also may place such orders
directly through the Transfer Agent in accordance with this Manual. See "How to
Invest," "How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
    
 
Each Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send the completed Account Application (if initial purchase) or letter stating
Fund name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
An investor opening a new account should call 1-800-223-2138 to obtain an
account number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION
CONTAINING THE INVESTOR'S CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT
TO THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire instructions
must state Fund name, class of shares, shareholder's registered name and account
number. Bank wires should be sent through the Federal Reserve Bank Wire System
to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures should call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 44
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
Each Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing time) each Business Day. Each
Fund's net asset value per share is computed by determining the value of its
total assets (which, in the case of the Financial Services Fund, Infrastructure
Fund, Natural Resources Fund and Consumer Products and Services Fund, is the
value of its proportionate share of the total assets of its corresponding
Portfolio), subtracting all of its liabilities, and dividing the result by the
total number of shares outstanding at such time. Net asset value is determined
separately for each class of shares of each Fund.
 
   
Equity securities held by the Theme Portfolios are valued at the last sale price
on the exchange or in the over-the-counter market in which such securities are
primarily traded, as of the close of business on the day the securities are
being valued or, lacking any sales, at the last available bid price. Long-term
debt obligations are valued at the mean of representative quoted bid and asked
prices for such securities or, if such prices are not available, at prices for
securities of comparable maturity, quality and type; however, when the
Sub-adviser deems it appropriate, prices obtained from a bond pricing service
will be used. Short-term debt investments are amortized to maturity based on
their cost, adjusted for foreign exchange translation and market fluctuations,
provided such valuations represent fair value. When market quotations for
futures and options positions held by a Fund are readily available, those
positions are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's or the Portfolios' Board of Trustees, as applicable.
Securities and other assets quoted in foreign currencies are valued in U.S.
dollars based on the prevailing exchange rates on that day.
    
 
Certain of the Theme Portfolios' securities from time to time may be listed
primarily on foreign exchanges that trade on days when the NYSE is closed (such
as a Saturday). As a result, the net asset value of a Fund may be significantly
affected by such trading on days when shareholders cannot purchase or redeem
shares of that Fund.
 
The different service and distribution fees borne by each class of shares of
each Fund will result in different net asset values. The per share net asset
value of the Class B shares of a Fund generally will be lower than that of the
Class A shares of that Fund because of the higher service and distribution fees
borne by the Class B shares. The per share net asset value of the Advisor Class
shares of a Fund generally will be higher than that of the Class A and Class B
shares of that Fund because of the absence of any service and distribution fees
applicable to the Advisor Class shares. It is expected, however, that the net
asset value per share of the classes will tend to converge immediately after the
payment of dividends, which will differ by approximately the amount of the
service and distribution fee accrual differential among the classes.
 
                               Prospectus Page 45
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. Each Fund annually declares and pays as a
dividend all of its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less applicable expenses. Each Fund also annually distributes
substantially all of its realized net capital gains and net gains from foreign
currency transactions, if any. In the case of each of the Financial Services
Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products and
Services Fund, its net investment income, realized net capital gains and net
gains from foreign currency transactions consist of its proportionate share of
such income and gains of its corresponding Portfolio. Each Fund may make an
additional dividend or other distribution each year if necessary to avoid a 4%
excise tax on certain undistributed income and gain.
 
Dividends and other distributions paid by each Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Class B shares of a Fund will be lower than the per
share income dividends on Class A shares of that Fund as a result of the higher
service and distribution fees applicable to Class B shares; and the per share
income dividends on both such classes of shares of a Fund will be lower than the
per share income dividends on the Advisor Class shares of that Fund as a result
of the absence of any service and distribution fees applicable to Advisor Class
shares. SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Fund shares of the distributing class (or in shares of the
    corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
Automatic reinvestments in additional shares are made at net asset value without
imposition of a sales charge. IF NO ELECTION IS MADE BY A SHAREHOLDER, ALL
DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY REINVESTED IN ADDITIONAL
FUND SHARES OF THE DISTRIBUTING CLASS. Reinvestments in another GT Global Mutual
Fund may only be directed to an account with the identical shareholder
registration and account number. These elections may be changed by a shareholder
at any time; to be effective with respect to a distribution, the shareholder or
the shareholder's broker must contact the Transfer Agent by mail or telephone at
least 15 Business Days prior to the payment date. THE FEDERAL INCOME TAX
CONSEQUENCES OF DIVIDENDS AND OTHER DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE
RECEIVED IN CASH OR REINVESTED IN ADDITIONAL SHARES.
 
Any dividend or other distribution paid by a Fund has the effect of reducing the
net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. Each Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that a Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over short-term capital loss) that it
distributes to its shareholders. In the case of each of the Financial Services
Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products and
Services Fund, its investment company taxable income and net capital gain
consists of its proportionate share of its corresponding Portfolio's net
investment income, net gains from certain foreign currency transactions and net
short-term capital gain and net capital gain, respectively. Each Portfolio
expects that it also will not be liable for any federal income tax.
 
                               Prospectus Page 46
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Dividends from a Fund's investment company taxable income (whether paid in cash
or reinvested in additional shares) are taxable to its shareholders as ordinary
income to the extent of the Fund's earnings and profits. Distributions of a
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, each Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
Each Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
Each Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with a
Fund.
 
   
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares (which normally
includes any initial sales charge paid on Class A shares). An exchange of Fund
shares for shares of another GT Global Mutual Fund (including another Fund) or a
fund of The AIM Family of Funds generally will have similar tax consequences.
However, special tax rules apply when a shareholder (1) disposes of Class A
shares of a Fund through a redemption or exchange within 90 days after purchase
and (2) subsequently acquires Class A shares of that Fund or any other GT Global
Mutual Fund or a fund of The AIM Family of Funds on which an initial sales
charge normally is imposed without paying that sales charge due to the
reinstatement privilege or exchange privilege. In these cases, any gain on the
disposition of the original Class A shares will be increased, or loss decreased,
by the amount of the sales charge paid when those shares were acquired, and that
amount will increase the adjusted basis of the shares subsequently acquired. In
addition, if Fund shares are purchased within 30 days before or after redeeming
other shares of the same Fund (regardless of class) at a loss, all or a part of
the loss will not be deductible and instead will increase the basis of the newly
purchased shares.
    
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting the Funds and their shareholders. See "Taxes"
in the Statement of Additional Information for a further discussion. There may
be other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
 
                               Prospectus Page 47
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's and the Portfolio's Boards of Trustees have overall responsibility
for the operation of the Funds and the Portfolios, respectively. The Company's
and Portfolios' Boards of Trustees have approved all significant agreements
between the Company and the Portfolios on the one side and persons or companies
furnishing services to the Theme Portfolios on the other, including the
investment advisory and administrative services agreement with AIM, the
investment sub-advisory and sub-administration agreement with the Sub-adviser,
the agreements with AIM Distributors regarding distribution of each Fund's
shares, the agreement with State Street Bank and Trust Company as the custodian
and the transfer agency agreement with GT Global Investors Services, Inc., an
affiliate of the subsidiary of the Sub-adviser. The day-to-day operations of
each Theme Portfolio are delegated to the officers of the Company and the
Portfolios, subject always to the objective and policies of the applicable Theme
Portfolio and to the general supervision of the Company's and the Portfolios'
Boards of Trustees. See "Trustees and Executive Officers" in the Statement of
Additional Information for information on the Trustees.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Theme Portfolios' investment managers and administrators
include, but are not limited to, determining the composition of the investment
portfolio of the Portfolios and placing orders to buy, sell or hold particular
securities. In addition, AIM and the Sub-adviser provide the following
administration services to the Portfolios and the Funds: furnishing corporate
officers and clerical staff; providing office space, services and equipment; and
supervising all matters relating to the Portfolios' and the Funds' operation.
    
 
   
The Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund each pays AIM investment management and
administration fees computed daily and payable monthly at the annualized rate of
0.25% of such Fund's average daily net assets. In addition, each such Fund bears
its pro rata portion of the investment management and administration fees paid
by its corresponding Portfolio to AIM and the Sub-adviser. The Financial
Services Portfolio, Infrastructure Portfolio, Natural Resources Portfolio and
Consumer Products and Services Portfolio each pays AIM a fee, based on each such
Portfolio's average daily net assets at the annualized rate of .725% on the
first $500 million, .70% on the next $500 million, .675% on the next $500
million and .65% on all amounts thereafter. Out of its aggregate fees payable by
a Portfolio, AIM pays the Sub-adviser sub-advisory and sub-administration fees
equal to 40% of the aggregate fees AIM receives from each Portfolio. For
investment management and administration services provided to the Health Care
Fund and Telecommunications Fund, each such Fund pays AIM a fee computed daily
and paid monthly based on each such Fund's average daily net assets at the
annualized rate of .975% on the first $500 million, .95% on the next $500
million, .925% on the next $500 million and .90% on amounts thereafter. Out of
the aggregate fees payable by a Fund, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from
each Fund. The investment management and administration fees paid by the Funds
and the Portfolios are higher than those paid by most mutual funds.
    
 
   
Each Fund pays all expenses not assumed by AIM, the Sub-adviser, AIM
Distributors or other agents. AIM has undertaken to limit each Fund's expenses
(exclusive of brokerage commissions, taxes, interest and extraordinary expenses)
to the annual rate of 2.00% and 2.50% of the average daily net assets of each
Fund's Class A and Class B Shares, respectively.
    
 
   
The Sub-adviser also serves as each Theme Portfolio's pricing and accounting
agent. For these services the Sub-adviser receives a fee at an annual rate
derived by applying 0.03% to the first $5 billion of assets of GT Global Funds
and 0.02% to the assets in excess of $5 billion, and allocating the result
according to each Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to each Theme Portfolio pursuant to a master investment
advisory agreement, dated as of
    
 
                               Prospectus Page 48
<PAGE>
                             GT GLOBAL THEME FUNDS
   
              , 1998 (the "Advisory Agreement"). AIM was organized in 1976 and,
together with its subsidiaries, manages or advises over 50 investment company
portfolios encompassing a broad range of investment objectives. The Sub-adviser,
50 California Street, 27th Floor, San Francisco, California 94111, and 1166
Avenue of the Americas, New York, New York 10036, serves as the sub-adviser to
each Theme Portfolio pursuant to an investment sub-advisory agreement dated as
of               , 1998. On May   , 1998, Liechtenstein Global Trust AG ("GT"),
the former indirect parent organization of the Sub-adviser, consummated a
purchase agreement with AMVESCAP PLC pursuant to which AMVESCAP PLC acquired
GT's Asset Management Division, which includes the Sub-adviser and certain other
affiliates. As a result of this transaction, the Sub-adviser is now an indirect
wholly owned subsidiary of AMVESCAP PLC. Prior to the sale, the Sub-adviser and
its worldwide asset management affiliates provided investment management and/or
administrative services to institutional, corporate and individual clients
around the world since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking each Fund's investment
objective.
    
 
The investment professionals primarily responsible for the portfolio management
of the Theme Portfolios are as follows:
                      GLOBAL FINANCIAL SERVICES PORTFOLIO
   
<TABLE>
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
A. James Ellman           Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1995. Analyst for the
 San Francisco             1995                      Sub-adviser from 1994 to 1995. From 1992 to 1994, Mr. Ellman was a
                                                     student at the Harvard Graduate School of Business Administration
                                                     (where he received a Master of Business Administration).
 
                                            GLOBAL INFRASTRUCTURE PORTFOLIO
 
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Brian T. Nelson           Portfolio Manager since   Portfolio Manager for the Sub-adviser since September 1997. Senior
 San Francisco             1997                      Equity Research Analyst for the Sub-adviser from 1995 to September
                                                     1997. From 1995 to October 1996, Mr. Nelson was employed by
                                                     Chancellor Capital Management, Inc., a predecessor of the
                                                     Sub-adviser. From 1988 to 1995, Mr. Nelson was an Equity Research
                                                     Analyst and eventually a Co-Portfolio Manager for Franklin
                                                     Resources, Inc. (San Mateo, CA).
 
                                           GLOBAL NATURAL RESOURCES PORTFOLIO
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Derek H. Webb             Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1994. Analyst for the
 San Francisco             Portfolio inception in    Sub-adviser from 1992 to 1994.
                           1994
</TABLE>
    
 
                               Prospectus Page 49
<PAGE>
                             GT GLOBAL THEME FUNDS
   
<TABLE>
<S>                       <C>                       <C>
                                    GLOBAL CONSUMER PRODUCTS AND SERVICES PORTFOLIO
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Derek H. Webb             Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1994. Analyst for the
 San Francisco             Portfolio inception in    Sub-adviser from 1992 to 1994.
                           1994
 
                                                GLOBAL HEALTH CARE FUND
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                       THE FUND                                    PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Michael Yellen            Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1996. Research analyst
 San Francisco             1996                      for the Sub-adviser from 1994 to 1996. From 1991 to 1994, Mr.
                                                     Yellen was a securities analyst and Co-Portfolio Manager for
                                                     Franklin Resources, Inc. (San Mateo, CA).
 
                                             GLOBAL TELECOMMUNICATIONS FUND
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                       THE FUND                                    PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Michael Mahoney           Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1993. From 1991 to 1993,
 San Francisco             1993                      Mr. Mahoney was an Investment Analyst for the Sub-adviser.
</TABLE>
    
 
                            ------------------------
 
   
In placing orders for the Theme Portfolios' securities transactions, the
Sub-adviser seeks to obtain the best net results. Consistent with its obligation
to obtain the best net results, the Sub-adviser may consider a broker/dealer's
sale of shares of the GT Global Mutual Funds as a factor in considering through
whom portfolio transactions will be effected. Brokerage transactions may be
executed through affiliates of AIM or the Sub-adviser. High portfolio turnover
(over 100%) involves correspondingly greater brokerage commissions and other
transaction costs that the Funds will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. The Company has entered into master distribution
agreements relating to the Funds (the "Distribution Agreements"), dated
              , 1998, with AIM Distributors, a registered broker/dealer and a
wholly owned subsidiary of AIM. The address of AIM Distributors is P.O. Box
4739, Houston, Texas 77210-4739. The Distribution Agreements provide AIM
Distributors with the exclusive rights to distribute shares of the Funds
directly and through institutions with whom AIM Distributors has entered into
selected dealer agreements. Under the Distribution Agreements, AIM Distributors
acts as the distributor of Class A and Class B shares of the Funds. As
distributor, AIM Distributors collects the sales charges imposed on purchases of
Class A shares and any contingent deferred sales charges that may be imposed on
certain redemptions of Class A and Class B shares. AIM Distributors reallows a
portion of the sales charge on Class A shares to broker/dealers that have sold
such shares in accordance with the schedule set forth above under "How to
Invest." AIM Distributors also pays a commission equal to 4.00% of the amount
invested to broker/dealers who sell Class B shares. From time to time, AIM
Distributors may pay commissions in excess of these amounts. Commissions are not
paid on exchanges or certain reinvestments in Class B shares. In addition, with
respect to both classes of shares, AIM Distributors makes ongoing payments to
broker/dealers for distribution and service activities in accordance with the
Rule 12b-1 plans described below.
    
 
   
AIM Distributors, at its own expense, may provide additional promotional
incentives to broker/ dealers that sell shares of a Fund and/or shares of the
other GT Global Mutual Funds. In some instances additional compensation or
promotional incentives may be offered to broker/dealers that have sold or may
sell significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to broker/dealers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and
    
 
                               Prospectus Page 50
<PAGE>
                             GT GLOBAL THEME FUNDS
   
lodging) incurred by sales personnel and members of their families or other
invited guests to various locations for such seminars or training programs,
seminars for the public, advertising and sales campaigns regarding one or more
of the GT Global Mutual Funds, and/or other events sponsored by the
broker/dealers. In addition, AIM Distributors makes ongoing payments to
brokerage firms, financial institutions (including banks) and others that
facilitate the administration and servicing of shareholder accounts.
    
 
   
AIM Distributors may elect to re-allow the entire initial sales charge to
dealers for all sales with respect to which orders are placed with AIM
Distributors during a particular period. Dealers to whom substantially the
entire sales charge is re-allowed may be deemed to be "underwriters" as that
term is defined under the Securities Act of 1933.
    
 
   
In addition to amounts paid to dealers as a dealer concession out of the initial
sales charge paid by investors, AIM Distributors may, from time to time, at its
expense or as an expense for which it may be compensated under a distribution
plan, if applicable, pay a bonus or other consideration or incentive to dealers
who sell a minimum dollar amount of the shares of the GT Global Mutual Funds
during a specified period of time. In some instances, these incentives may be
offered only to certain dealers who have sold or may sell significant amounts of
shares. At the option of the dealer, such incentives may take the form of
payment for travel expenses, including lodging, incurred in connection with
trips taken by qualifying registered representatives and their families to
places within or outside the United States. The total amount of such additional
bonus payments or other consideration shall not exceed 0.25% of the public
offering price of the shares sold. Any such bonus or incentive programs will not
change the price paid by investors for the purchase of the applicable GT Global
Mutual Fund's shares or the amount that any particular GT Global Mutual Fund
will receive as proceeds from such sales. Dealers may not use sales of the GT
Global Mutual Funds' shares to qualify for any incentives to the extent that
such incentives may be prohibited by the laws of any state.
    
 
   
AIM Distributors may make payments to dealers and institutions who are dealers
of record for purchases of $1 million or more of Class A shares (or shares which
normally involve payment of initial sales charges), which are sold at net asset
value and are subject to a contingent deferred sales charge as follows: 1% of
the first $2 million of such purchases, plus 0.80% of the next $1 million of
such purchases, plus 0.50% of the next $l7 million of such purchases, plus 0.25%
of amounts in excess of $20 million of such purchases.
    
 
   
AIM Distributors may pay sales commissions to dealers and institutions who sell
Class B shares of the GT Global Mutual Funds at the time of such sales. Payments
with respect to Class B shares will equal 4.00% of the purchase price of the
Class B shares sold by the dealer or institution and will consist of a sales
commission equal to 3.75% of the purchase price of the Class B shares sold plus
an advance of the first year service fee of 0.25% with respect to such shares.
The portion of the payments to AIM Distributors under the Class B Plan which
constitutes an asset-based sales charge (0.75%) is intended in part to permit
AIM Distributors to recoup a portion of such sales commissions plus financing
costs.
    
 
   
The Company has adopted a Master Distribution Plan applicable to Class A shares
of the Funds (the "Class A Plan") pursuant to Rule 12b-1 under the 1940 Act, to
compensate AIM Distributors for the purpose of financing any activity that is
intended to result in the sale of Class A shares of the Funds. Under the Class A
Plan, the Company compensates AIM Distributors an aggregate amount of 0.50% of
the average daily net assets of Class A shares of each Fund.
    
 
   
The Company also has adopted a Master Distribution Plan applicable to Class B
shares of the Funds (the "Class B Plan"). Under the Class B Plan, each Fund pays
compensation to AIM Distributors at an annual rate of 1.00% of the average daily
net assets of Class B shares of each Fund.
    
 
   
The Class A Plan and the Class B Plan (together, the "Plans") are designed to
compensate AIM Distributors for certain promotional and other sales-related
costs, and to implement a dealer incentive program that provides for periodic
payments to selected dealers who furnish continuing personal shareholder
services to their customers who purchase and own Class A and Class B shares of a
Fund. Payments also can be directed by AIM Distributors to selected dealers and
financial institutions who have entered into service agreements with respect to
Class A and Class B shares of the Funds and who provide continuing personal
services to their customers who own Class A and Class B shares of a Fund. The
service fees payable to selected dealers and financial institutions are
calculated at the annual rate of 0.25% of the average daily net asset value of
those Fund shares that are held in such institution's or dealer's customers'
accounts that
    
 
                               Prospectus Page 51
<PAGE>
                             GT GLOBAL THEME FUNDS
   
were purchased on or after a prescribed date set forth in the Plans. Any amounts
not payable as a service fee would constitute an asset-based sales charge.
Payments under the Plans are subject to any applicable limitations imposed by
the rules of the National Association of Securities Dealers, Inc.
    
 
   
The Plans do not obligate the Funds to reimburse AIM Distributors for the actual
expenses AIM Distributors may incur in fulfilling its obligations under the
Plans. Thus, even if AIM Distributors' actual expenses exceed the fee payable to
AIM Distributors thereunder at any time, the Funds will not be obligated to pay
more than that fee. If AIM Distributors' expenses are less than the fee it
receives, AIM Distributors will retain the full amount of the fee.
    
 
   
Under the Plans, AIM Distributors may in its discretion from time to time agree
to waive voluntarily all or any portion of its fee that has not been assigned or
transferred, while retaining its ability to be reimbursed for such fee prior to
the end of each fiscal year.
    
 
   
Under the Plans, certain financial institutions which have entered into service
agreements and which sell shares of the Funds on an agency basis, may receive
payments from the Funds pursuant to the respective Plans. AIM Distributors does
not act as principal, but rather as agent for the Funds, in making such
payments. For additional information concerning the operation of the Plans see
the Statement of Additional Information.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. If a bank were prohibited from so acting, its
shareholder clients would be permitted to remain shareholders, and alternative
means for continuing the servicing of such shareholders would be sought. It is
not expected that shareholders would suffer any adverse financial consequences
as a result of any of these occurrences.
    
 
                               Prospectus Page 52
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in a Fund, the shareholder will receive from the
Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to a Fund's Automatic
Investment Plan, Systematic Withdrawal Plan and automatic dividend reinvestment
program may be provided quarterly. Shortly after the end of each Fund's fiscal
year on October 31 and fiscal half-year on April 30 of each year, shareholders
receive an annual and semiannual report, respectively. In addition, the federal
income status of distributions made by a Fund to shareholders will be reported
after the end of the calendar year on Form 1099-DIV. Under certain
circumstances, duplicate mailings of the foregoing reports to the same household
may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of each Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of a Fund will be
voted by a Fund's shareholders individually when the matter affects the specific
interest of that Fund only, such as approval of its investment management
arrangements. In addition, shares of a particular class of a Fund may vote on
matters affecting only that class. The shares of each Fund and of the Company's
other Funds will be voted in the aggregate on other matters, such as the
election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting shares may call a meeting of shareholders for the
purpose of voting upon the question of removal of any Trustee or for any other
purpose. The 1940 Act requires the Company to assist shareholders in calling
such a meeting.
    
 
   
Pursuant to the Company's Declaration of Trust, the Company may issue an
unlimited number of shares of each of the Funds. Each share of each Fund
represents an interest in that Fund only, has a par value of $0.01 per share,
represents an equal proportionate interest in that Fund with other shares of
that Fund and is entitled to such dividends and other distributions out of the
income earned and gain realized on the assets belonging to that Fund as may be
declared at the discretion of the Board of Trustees. Each share of each Fund is
equal in earnings, assets and voting privileges, except that each class has
exclusive voting rights with respect to its distribution plan and bears the
expenses, if any, related to the distribution of its shares. Shares of each
Fund, when issued, are fully paid and nonassessable.
    
 
   
ORGANIZATION OF THE PORTFOLIOS. Each Portfolio is organized as a subtrust of a
Delaware business trust. The Declaration of Trust provides that the Financial
Services Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products
and Services Fund and other entities investing in its corresponding Portfolio
(E.G., other investment companies, insurance company separate accounts and
common and commingled trust funds), if any, will each be liable for all
obligations of that Portfolio. However, the Trustees of the Company
    
 
                               Prospectus Page 53
<PAGE>
                             GT GLOBAL THEME FUNDS
believe that the risk of such Funds' incurring financial loss because of such
liability is limited to circumstances in which both inadequate insurance existed
and each of the Portfolios itself was unable to meet its obligations, and that
neither the Financial Services Fund, Infrastructure Fund, Natural Resources Fund
and Consumer Products and Services Fund nor their shareholders will be exposed
to a material risk of liability by reason of the Funds' investing in their
corresponding Portfolios.
 
Whenever the Financial Services Fund, Infrastructure Fund, Natural Resources
Fund and Consumer Products and Services Fund is requested to vote on any
proposal of its corresponding Portfolio, such Fund will hold a meeting of such
Fund's shareholders and will cast its vote as instructed by its shareholders.
Shares for which no voting instructions are received will be voted in the same
proportion as the shares for which voting instructions are received.
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Funds
toll-free at (800) 223-2138 or by writing to the Funds at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Funds, from time to time, may include information
on their investment results and/or comparisons of their investment results to
various unmanaged indices or results of other mutual funds or groups of mutual
funds in advertisements, sales literature or reports furnished to present or
prospective shareholders.
 
In such materials, the Funds may quote their average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of each Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in a
Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of a Fund. Standardized Return assumes
reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Funds' performance or
more accurately compare such performance to other measures of investment return,
the Funds also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized Return reflects percentage rates of return encompassing all
elements of return (i.e., income and capital appreciation or depreciation) and
assumes reinvestment of all dividends and other distributions. Non-Standardized
Return may be quoted for the same or different periods as those for which
Standardized Return is quoted; it may consist of an aggregate or average annual
percentage rate of return, actual year-by-year rates or any combination thereof.
Non-Standardized Return may or may not take sales charges into account;
performance data calculated without taking the effect of sales charges into
account will be higher than data including the effect of such charges.
 
The Funds' performance data reflects past performance and is not necessarily
indicative of future results. The Funds' investment results will vary from time
to time depending upon market conditions, the composition of their portfolios
and their operating expenses. These factors and possible differences in
calculation methods should be considered when comparing a Fund's investment
results with those published for other investment companies, other investment
vehicles and unmanaged indices. Each Fund's results also should be considered
relative to the risks associated with its investment objective and policies. See
"Investment Results" in the Statement of Additional Information.
 
Each Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
    
 
                               Prospectus Page 54
<PAGE>
                             GT GLOBAL THEME FUNDS
   
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Funds are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM and maintains offices
at California Plaza, 2121 N. California Boulevard, Suite 450, Walnut Creek, CA
94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110, is custodian of the assets of the Theme Portfolios.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and to the
Theme Portfolios. Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-
adviser and the Transfer Agent in connection with other matters.
    
 
   
INDEPENDENT ACCOUNTANTS. The Theme Portfolios' independent accountants are
           , One Post Office Square, Boston, MA 02109.            conducts an
annual audit of the Funds and Portfolios, assists in the preparation of the
Funds' and Portfolios' federal and state income tax returns and consults with
the Company and the Funds and the Portfolios as to matters of accounting,
regulatory filings, and federal and state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 55
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND  THE RISKS  OF INVESTING  IN  A CONCENTRATION  OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER  OR CALL AIM DISTRIBUTORS DIRECTLY  AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  PROSPECTUS  AND, IF GIVEN  OR MADE, SUCH  INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON  AS HAVING BEEN AUTHORIZED  BY G.T. INVESTMENT FUNDS,  GT
  GLOBAL  FINANCIAL  SERVICES FUND,  GLOBAL  FINANCIAL SERVICES  PORTFOLIO, GT
  GLOBAL INFRASTRUCTURE  FUND,  GLOBAL  INFRASTRUCTURE  PORTFOLIO,  GT  GLOBAL
  NATURAL  RESOURCES  FUND,  GLOBAL  NATURAL  RESOURCES  PORTFOLIO,  GT GLOBAL
  CONSUMER PRODUCTS AND SERVICES FUND,  GLOBAL CONSUMER PRODUCTS AND  SERVICES
  PORTFOLIO,  GT GLOBAL HEALTH  CARE FUND, GT  GLOBAL TELECOMMUNICATIONS FUND,
  A I  M ADVISORS,  INC., [CHANCELLOR  GT ASSET  MANAGEMENT, INC.]  OR A  I  M
  DISTRIBUTORS,  INC. THIS PROSPECTUS DOES NOT  CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
   
                                                                  THEPR803005 MC
    
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
GT GLOBAL GOVERNMENT INCOME FUND ("GOVERNMENT INCOME FUND") seeks a high level
of current income by investing primarily in high quality U.S. and foreign
government debt securities. The Fund's secondary objectives are capital
appreciation and protection of principal through active management of its
maturity structure and currency exposure.
 
GT GLOBAL STRATEGIC INCOME FUND ("STRATEGIC INCOME FUND") primarily seeks high
current income and secondarily seeks capital appreciation. The Fund allocates
its assets among debt securities of issuers in: (1) the United States; (2)
developed foreign countries; and (3) emerging markets.
 
GT GLOBAL HIGH INCOME FUND ("HIGH INCOME FUND") primarily seeks high current
income and secondarily seeks capital appreciation by investing all of its
investable assets in the Global High Income Portfolio ("Portfolio"), which, in
turn, invests primarily in the debt securities of issuers located in emerging
markets. The Portfolio's investment objectives are identical to those of the
Fund.
 
There can be no assurance that any Fund or the Portfolio will achieve its
investment objectives. The investment experience of the High Income Fund will
correspond directly with the investment experience of the Portfolio.
 
   
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
    
 
   
The Funds and the Portfolio are managed by A I M Advisors, Inc. ("AIM") and are
sub-advised and sub-administered by [Chancellor GT Asset Management, Inc.] (the
"Sub-adviser"). AIM and the Sub-adviser and their worldwide asset management
affiliates provide investment management and/or administrative services to
institutional, corporate and individual clients around the world. AIM and the
Sub-adviser are both indirect wholly owned subsidiaries of AMVESCAP PLC.
AMVESCAP PLC and its subsidiaries are an independent investment management group
that has a significant presence in the institutional and retail segment of the
investment management industry in North America and Europe, and a growing
presence in Asia.
    
 
The Funds are designed for long-term investors and not as trading vehicles, do
not represent a complete investment program and are not suitable for all
investors. An investment in any of the Funds involves risk factors that should
be reviewed carefully by potential investors. The Strategic Income Fund and the
Portfolio both are authorized to borrow money for investment purposes, which
would increase the volatility of their performance and involves additional
risks. See "Investment Objectives and Policies" and "Risk Factors."
 
THE STRATEGIC INCOME FUND INVESTS UP TO 50% OF ITS TOTAL ASSETS, AND THE
PORTFOLIO INVESTS UP TO 100% OF ITS TOTAL ASSETS, IN LOWER QUALITY AND UNRATED
FOREIGN GOVERNMENT BONDS WHOSE CREDIT QUALITY IS GENERALLY CONSIDERED THE
EQUIVALENT OF U.S. CORPORATE DEBT SECURITIES COMMONLY KNOWN AS "JUNK BONDS."
INVESTMENTS OF THIS TYPE ARE SUBJECT TO A GREATER RISK OF LOSS OF PRINCIPAL AND
INTEREST. PURCHASERS SHOULD CAREFULLY ASSESS THE RISKS ASSOCIATED WITH AN
INVESTMENT IN THESE FUNDS. SEE "INVESTMENT OBJECTIVES AND POLICIES" AND "RISK
FACTORS."
 
   
This Prospectus sets forth concisely information an investor should know before
investing and should be read carefully and retained for future reference. A
Statement of Additional Information, dated June 1, 1998, has been filed with the
Securities and Exchange Commission ("SEC") and, as supplemented or amended from
time to time, is incorporated herein by reference. The Statement of Additional
Information is available without charge by writing to the Funds at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling [(800) 824-1580.] It
is also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
   
FOR FURTHER INFORMATION, CALL [(800) 824-1580] OR CONTACT YOUR FINANCIAL
 
ADVISER.
    
 
- --------------------------------------------------------------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
   PASSED ON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.      ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          7
Investment Objectives and Policies........................................................         13
Risk Factors..............................................................................         22
How to Invest.............................................................................         28
How to Make Exchanges.....................................................................         36
How to Redeem Shares......................................................................         37
Shareholder Account Manual................................................................         40
Calculation of Net Asset Value............................................................         41
Dividends, Other Distributions and Federal Income Taxation................................         42
Management................................................................................         44
Other Information.........................................................................         49
Appendix A -- Description of Debt Ratings.................................................         52
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Funds and the Portfolio:   Each Fund is a non-diversified series of G.T. Investment Funds
                               (the "Company"). The Portfolio is a non-diversified, open-end
                               management investment company.
 
Investment Objectives:         The Government Income Fund primarily seeks high current income and
                               secondarily seeks capital appreciation and protection of
                               principal. The Strategic Income Fund and the High Income Fund
                               primarily seek high current income and secondarily seek capital
                               appreciation.
 
Principal Investments:         The Government Income Fund invests primarily in high quality U.S.
                               and foreign government debt obligations.
 
                               The Strategic Income Fund allocates its assets among debt
                               securities of issuers in: (1) the United States; (2) developed
                               foreign countries; and (3) emerging markets, and selects
                               particular securities in each sector based on their relative
                               investment merit.
 
                               The High Income Fund invests all of its investable assets in the
                               Portfolio, which, in turn, invests primarily in debt securities of
                               issuers located in emerging markets.
 
Principal Risk Factors:        There is no assurance that the Funds or the Portfolio will achieve
                               their investment objectives. Each Fund's net asset value will
                               fluctuate, reflecting fluctuations in the market value of its or
                               its corresponding Portfolio's portfolio holdings. The value of
                               debt securities held by the Government Income Fund, Strategic
                               Income Fund and Portfolio generally fluctuates inversely with
                               interest rate movements.
 
                               The Government Income Fund, Strategic Income Fund and Portfolio
                               will invest in foreign securities. Investments in foreign
                               securities involve risks relating to political and economic
                               developments abroad and the differences between the regulations to
                               which U.S. and foreign issuers are subject. Individual foreign
                               economies also may differ favorably or unfavorably from the U.S.
                               economy. Changes in foreign currency exchange rates will affect a
                               Fund's or the Portfolio's net asset value, earnings and gains and
                               losses realized on sales of securities. Securities of foreign
                               companies may be less liquid and their prices more volatile than
                               those of securities of comparable U.S. companies. The Portfolio
                               will normally invest at least 65% of its total assets in debt
                               securities of issuers in emerging markets and the Strategic Income
                               Fund may invest in such securities. Such investments entail
                               greater risks than investing in securities of issuers in developed
                               markets.
 
                               The Government Income Fund, Strategic Income Fund and Portfolio
                               may engage in certain foreign currency, options and futures
                               transactions to attempt to hedge against the overall level of
                               investment and currency risk associated with its present or
                               planned investments. Such transactions involve certain risks and
                               transaction costs.
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               The Strategic Income Fund may invest up to 50% of its total
                               assets, and the Portfolio may invest up to 100% of its total
                               assets, in debt securities rated below investment grade or, if not
                               rated, determined by the Sub-adviser to be of comparable quality.
                               Investments of this type are subject to greater risk of loss of
                               principal and interest.
 
                               See "Investment Objectives and Policies" and "Risk Factors."
 
                               AIM and the Sub-adviser and their worldwide asset management
Investment Managers:           affiliates provide investment management and/or administrative
                               services to institutional, corporate and individual clients around
                               the world. AIM and the Sub-adviser are both indirect wholly owned
                               subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its subsidiaries
                               are an independent investment management group that has a
                               significant presence in the institutional and retail segment of
                               the investment management industry in North America and Europe,
                               and a growing presence in Asia. AIM was organized in 1976 and,
                               together with its affiliates, currently advises [over 50]
                               investment company portfolios. On              , 1998, AMVESCAP
                               PLC acquired the Asset Management Division of Liechtenstein Global
                               Trust AG ("GT"), which included the Sub-adviser and certain other
                               affiliates.
 
Alternative Purchase Plan:     Investors may select Class A or Class B shares, each subject to
                               different expenses and a different sales charge structure. Each
                               class has distinct advantages and disadvantages for different
                               investors, and investors should choose the class that best suits
                               their circumstances and objectives. See "How to Invest."
 
  Class A Shares:              Offered at net asset value plus any applicable sales charge
                               (maximum is 4.75% of public offering price) and subject to 12b-1
                               service and distribution fees at the annualized rate of 0.35% of
                               the average daily net assets of Class A shares.
 
                               Offered at net asset value with no initial sales charge (a maximum
  Class B Shares:              contingent deferred sales charge of 5% of net asset value at the
                               time of purchase or sale, whichever is less, is imposed on certain
                               redemptions made within six years of date of purchase) and subject
                               to 12b-1 service and distribution fees at the annualized rate of
                               1.00% of the average daily net assets of Class B shares. Class B
                               shares automatically convert to Class A shares of the same Fund
                               eight years following the end of the calendar month in which a
                               purchase was made. Class B shares are subject to higher annual
                               expenses than Class A shares.
 
Shares Available Through:      Class A and Class B shares are available through broker/dealers,
                               banks and other financial service entities ("Financial
                               Institutions") that have entered into agreements with the Funds'
                               distributor, A I M Distributors, Inc. ("AIM Distributors"). Shares
                               also may be acquired by sending an application directly to GT
                               Global Investor Services, Inc. (the "Transfer Agent") or through
                               exchanges of shares as described below. See "How to Invest" and
                               "Shareholder Account Manual."
</TABLE>
    
 
                               Prospectus Page 4
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
Exchange Privileges:           Shares may be exchanged without a sales charge for shares of the
                               corresponding class of the other GT Global Mutual Funds, which are
                               open-end management investment companies sub-advised by the
                               Sub-adviser. See "How to Make Exchanges" and "Shareholder Account
                               Manual." In addition, Class A shares may be exchanged for Class A
                               shares of some of the mutual funds that are advised by AIM,
                               distributed by AIM Distributors and are part of The AIM Family of
                               Funds-Registered Trademark- ("The AIM Family of Funds"). See "How
                               to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be redeemed through Financial Institutions that sell
                               shares of the Funds or the Funds' Transfer Agent). See "How to
                               Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other            Dividends are paid monthly from net investment income; other
  Distributions:               distributions are paid annually from net short term capital gain,
                               net capital gain and net gains from foreign currency transactions,
                               if any.
 
Reinvestment:                  Dividends and other distributions may be reinvested automatically
                               in Fund shares of the distributing class or in shares of the
                               corresponding class of other GT Global Mutual Funds without a
                               sales charge.
 
First Purchase:                $500 minimum ($100 for individual retirement accounts ("IRAs") and
                               reduced amounts for certain other retirement plans).
 
Subsequent Purchases:          $100 minimum ($25 for IRAs and reduced amounts for certain other
                               retirement plans).
 
Net Asset Values:              Quoted daily in the financial section of most newspapers.
 
Other Features:
 
  Class A Shares:              Letter of Intent                  Reinstatement Privilege
                               Quantity Discounts                Systematic Withdrawal Plan
                               Right of Accumulation             Automatic Investment Plan
                               Portfolio Rebalancing Program     Dollar Cost Averaging Program
 
  Class B Shares:              Systematic Withdrawal Plan        Automatic Investment Plan
                               Portfolio Rebalancing Program     Dollar Cost Averaging Program
</TABLE>
    
 
   
THE AIM FAMILY OF FUNDS, THE AIM FAMILY OF FUNDS AND DESIGN (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS AND LA FAMILIA AIM DE FONDOS AND DESIGN ARE REGISTERED
SERVICE MARKS AND INVEST WITH DISCIPLINE AND AIM BANK CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
                               Prospectus Page 5
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Class A and Class B shares of the Funds are reflected in
the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                  GOVERNMENT     STRATEGIC INCOME    HIGH INCOME
                                                                 INCOME FUND           FUND              FUND
                                                               ----------------  ----------------  ----------------
                                                               CLASS A  CLASS B  CLASS A  CLASS B  CLASS A  CLASS B
                                                               -------  -------  -------  -------  -------  -------
<S>                                                            <C>      <C>      <C>      <C>      <C>      <C>
SHAREHOLDER TRANSACTION COSTS (2):
Maximum sales charge on purchases of shares (as a % of
 offering price).............................................   4.75%     None    4.75%     None    4.75%     None
Sales charges on reinvested distributions to shareholders....    None     None     None     None     None     None
Maximum deferred sales charge (as a % of net asset value at
 time of purchase or sale, whichever is less)................    None    5.00%     None    5.00%     None    5.00%
Redemption charges...........................................    None     None     None     None     None     None
Exchange fees                                                    None     None     None     None     None     None
 
ANNUAL FUND OPERATING EXPENSES (3):
 (AS A % OF AVERAGE NET ASSETS)
Investment management and administration fees................   0.73%    0.73%    0.73%    0.73%    0.90%    0.90%
12b-1 distribution and service fees..........................   0.35%    1.00%    0.35%    1.00%    0.35%    1.00%
Other expenses...............................................   0.43%    0.43%    0.36%    0.36%    0.33%    0.33%
                                                               -------  -------  -------  -------  -------  -------
  Total Fund Operating Expenses..............................   1.51%    2.16%    1.44%    2.09%    1.58%    2.23%
                                                               -------  -------  -------  -------  -------  -------
                                                               -------  -------  -------  -------  -------  -------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Funds, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                                                          ONE    THREE   FIVE     TEN
                                                                                          YEAR   YEARS   YEARS   YEARS+
                                                                                          ----   -----   -----   -----
<S>                                                                                       <C>    <C>     <C>     <C>
Government Income Fund
  Class A Shares (4)....................................................................  $62     $93    $126    $220
  Class B Shares
    Assuming a complete redemption at end of period (5).................................  $74     $101   $140    $
    Assuming no redemption..............................................................  $22     $68    $117    $
Strategic Income Fund
  Class A Shares (4)....................................................................  $62     $91    $123    $213
  Class B Shares
    Assuming a complete redemption at end of period (5).................................  $73     $99    $136    $
    Assuming no redemption..............................................................  $21     $66    $113    $
High Income Fund
  Class A Shares (4)....................................................................  $63     $95    $130    $227
  Class B Shares
    Assuming a complete redemption at end of period (5).................................  $74     $103   $144    $
    Assuming no redemption..............................................................  $23     $70    $121    $
</TABLE>
    
 
- --------------
 
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN A FUND. Long-term
    shareholders may pay more than the economic equivalent of the maximum
    front-end sales charge permitted by the National Association of Securities
    Dealers, Inc. rules regarding investment companies. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUNDS' AND
    THE PORTFOLIO'S ACTUAL EXPENSES MAY BE MORE OR LESS THAN THOSE SHOWN. The
    tables and the assumption in the Hypothetical Example of a 5% annual return
    are required by regulation of the SEC applicable to all mutual funds; the 5%
    annual return is not a prediction of and does not represent the Funds' or
    the Portfolio's projected or actual performance.
 
(2) Sales charge waivers are available for Class A and Class B shares, and
    reduced sales charge purchase plans are available for Class A shares. The
    maximum 5% contingent deferred sales charge on Class B shares applies to
    redemptions during the first year after purchase. The charge generally
    declines by 1% annually thereafter, reaching zero after six years. See "How
    to Invest."
 
   
(3) Expenses are based on the Funds' fiscal year ended October 31, 1997. "Other
    expenses" include custody, transfer agency, legal, audit and other operating
    expenses. See "Management" herein and the Statement of Additional
    Information for more information. The Funds also offer Advisor Class shares,
    which are not subject to 12b-1 distribution and service fees, to certain
    categories of investors. See "How to Invest." The Board of Trustees of the
    Company believes that the aggregate per share expenses of the High Income
    Fund and its corresponding Portfolio will be less than or approximately
    equal to the expenses which the Fund would incur if the assets of that Fund
    were invested directly in the type of securities being held by the
    Portfolio.
    
 
(4) Assumes payment of maximum sales charge by the investor.
 
(5) Assumes deduction of the applicable contingent deferred sales charge.
 
   
+   For Class B shares, this number reflects the conversion to Class A shares
    eight years following the end of the calendar month in which a purchase was
    made.
    
 
                               Prospectus Page 6
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Class B share of each Fund. For the period
March 29, 1988 (commencement of operations) to October 22, 1992, the Strategic
Income Fund was named G.T. Global Bond Fund and operated under different
investment objectives, policies and limitations. This information is
supplemented by the financial statements and accompanying notes appearing in the
Statement of Additional Information. The financial statements and notes for
fiscal year ended October 31, 1997 have been audited by
                 independent accountants, whose report thereon also is included
in the Statement of Additional Information.
    
 
                             GOVERNMENT INCOME FUND
 
<TABLE>
<CAPTION>
                                                                        CLASS A+
                                ----------------------------------------------------------------------------------------
                                                                  YEAR ENDED OCT. 31,
                                ----------------------------------------------------------------------------------------
                                  1997      1996    1995(c)   1994(c)     1993(c)       1992        1991         1990
                                --------  --------  --------  --------    --------    --------    --------    ----------
<S>                             <C>       <C>       <C>       <C>         <C>         <C>         <C>         <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................  $   8.74  $   8.81  $   8.63  $  11.07    $   9.83    $  10.29    $  10.46    $    10.45
                                --------  --------  --------  --------    --------    --------    --------    ----------
Income from investment
 operations:
  Net investment income.......      0.52      0.57      0.62      0.65        0.74        0.92        0.99          1.18
  Net realized and unrealized
   gain (loss) on
   investments................     (0.13)     0.03      0.15     (1.52)       1.34       (0.31)      (0.07)        (0.02)
                                --------  --------  --------  --------    --------    --------    --------    ----------
    Net increase (decrease)
     resulting from investment
     operations...............      0.39      0.60      0.77     (0.87)       2.08        0.61        0.92          1.16
                                --------  --------  --------  --------    --------    --------    --------    ----------
Distributions:
  From net investment
   income.....................     (0.31)    (0.57)    (0.59)    (0.65)      (0.74)      (0.83)      (1.00)        (1.15)
  From net realized gain on
   investments................        --     (0.10)       --     (0.27)         --       (0.13)      (0.09)           --
  In excess of net investment
   income.....................     (0.20)       --        --        --          --          --          --            --
  In excess of net realized
   gain on investments........        --        --        --     (0.55)         --          --          --            --
  Return of capital...........        --        --        --     (0.10)         --          --          --            --
  From sources other than net
   investment income..........        --        --        --        --       (0.10)      (0.11)         --            --
                                --------  --------  --------  --------    --------    --------    --------    ----------
    Total distributions.......     (0.51)    (0.67)    (0.59)    (1.57)      (0.84)      (1.07)      (1.09)        (1.15)
                                --------  --------  --------  --------    --------    --------    --------    ----------
Net asset value, end of
 period.......................  $   8.62  $   8.74  $   8.81  $   8.63    $  11.07    $   9.83    $  10.29    $    10.46
                                --------  --------  --------  --------    --------    --------    --------    ----------
                                --------  --------  --------  --------    --------    --------    --------    ----------
Total investment return (d)...     4.78%     7.11%     9.22%   (8.87)%       21.9%        6.3%        9.4%         11.9%
                                --------  --------  --------  --------    --------    --------    --------    ----------
                                --------  --------  --------  --------    --------    --------    --------    ----------
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $154,272  $240,945  $385,404  $502,094    $708,301    $623,387    $399,200    $  259,726
Ratio of net investment income
 to average net assets........     6.04%     6.52%     6.98%     6.87%        7.1%        9.0%        9.5%         11.4%
Ratio of expenses to average
 net assets:
  With expense reductions.....     1.34%     1.34%     1.35%     1.33%        1.4%        1.6%        1.6%          1.8%
  Without expense
   reductions.................     1.51%     1.39%     1.38%       N/A         N/A         N/A         N/A           N/A
Portfolio turnover rate +++...      241%      268%      385%      625%        495%        351%        326%          334%
</TABLE>
 
- ------------------
 
+   All capital shares issued and outstanding as of October 21, 1992 were
    reclassified as Class A shares.
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
   
*   Net of $0.01 per share of Fund operating expenses reimbursed by the
    Sub-adviser.
    
 
(a) Not annualized.
 
(b) Annualized.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
                               Prospectus Page 7
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
N/A Not Applicable.
    
 
                               Prospectus Page 8
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             GOVERNMENT INCOME FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                               CLASS A+
                                      --------------------------                               CLASS B++
                                                 MARCH 29, 1988        ----------------------------------------------------------
                                        YEAR       (COMMENCE-                                                            OCT. 22,
                                       ENDED        MENT OF                          YEAR ENDED OCT. 31,                 1992 TO
                                      OCT. 31,   OPERATIONS) TO        ------------------------------------------------  OCT. 31,
                                        1989     OCT. 31, 1988         1997(c)     1996    1995(c)   1994(c)   1993(c)     1992
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
<S>                                   <C>       <C>                    <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating Performance:
Net asset value, beginning of
 period.............................  $  10.86         $  11.43        $   8.74  $   8.80  $   8.64  $  11.07  $   9.83  $   9.87
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
Income from investment operations:
  Net investment income.............      1.15             0.49*           0.46      0.51      0.55      0.59      0.67      0.02
  Net realized and unrealized gain
   (loss) on investments............     (0.35)           (0.44)          (0.12)     0.04      0.14     (1.52)     1.34     (0.06)
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
    Net increase (decrease)
     resulting from investment
     operations.....................      0.80             0.05            0.34      0.55      0.69     (0.93)     2.01     (0.04)
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
Distributions:
  From net investment income........     (1.20)           (0.49)          (0.28)    (0.51)    (0.53)    (0.59)    (0.67)       --
  From net realized gain on
   investments......................        --            (0.12)             --     (0.10)       --     (0.27)       --        --
  In excess of net investment
   income...........................        --               --           (0.18)       --        --        --        --        --
  In excess of net realized gain on
   investments......................        --               --              --        --        --     (0.54)       --        --
  Return of capital.................        --               --              --        --        --     (0.10)       --        --
  From sources other than net
   investment income................     (0.01)           (0.01)             --        --        --        --     (0.10)       --
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
    Total distributions.............     (1.21)           (0.62)          (0.46)    (0.61)    (0.53)    (1.50)    (0.77)       --
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
Net asset value, end of period......  $  10.45         $  10.86        $   8.62  $   8.74  $   8.80  $   8.64  $  11.07  $   9.83
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
Total investment return (d).........      7.2%             1.1%(a)        4.00%     6.54%     8.22%   (9.39)%     21.1%    (0.4)%(a)
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
                                      --------  ----------------       --------  --------  --------  --------  --------  --------
Ratios and supplemental data:
Net assets, end of period (in
 000's).............................  $122,526         $ 57,063        $127,722  $166,577  $235,481  $262,405  $182,972  $  2,624
Ratio of net investment income to
 average net assets.................     10.7%            7.41%(b)*       5.39%     5.87%     6.33%     6.22%      6.5%      8.0%(b)
Ratio of expenses to average net
 assets:
  With expense reductions...........      1.7%            1.80%(b)*       1.99%     1.99%     2.00%     1.98%      2.0%      1.9%(b)
  Without expense reductions........       N/A              N/A           2.16%     2.04%     2.03%       N/A       N/A       N/A
Portfolio turnover rate +++.........      413%             291%(b)         241%      268%      385%      625%      495%      351%
</TABLE>
 
- ------------------
 
++  Commencing October 22, 1992, the Fund began offering Class B shares.
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
   
*   Net of $0.01 per share of Fund operating expenses reimbursed by the
    Sub-adviser.
    
 
(a) Not annualized.
 
(b) Annualized.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
   
N/A Not Applicable.
    
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                    AVERAGE MONTHLY        AVERAGE MONTHLY        AVERAGE AMOUNT
                                 AMOUNT OF DEBT     AMOUNT OF DEBT      NUMBER OF REGISTRANT'S      OF DEBT PER
                                 OUTSTANDING AT       OUTSTANDING         SHARES OUTSTANDING       SHARE DURING
YEAR ENDED                       END OF PERIOD     DURING THE PERIOD      DURING THE PERIOD         THE PERIOD
- ------------------------------  ----------------  -------------------  ------------------------  -----------------
<S>                             <C>               <C>                  <C>                       <C>
October 31, 1997..............    $  4,451,000       $   1,616,315              38,476,908           $  0.0420
</TABLE>
    
 
                               Prospectus Page 9
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             STRATEGIC INCOME FUND
 
<TABLE>
<CAPTION>
                                                                       CLASS A+
                                --------------------------------------------------------------------------------------
                                                                 YEAR ENDED OCT. 31,
                                --------------------------------------------------------------------------------------
                                  1997      1996    1995(c)     1994      1993(c)      1992       1991         1990
                                --------  --------  --------  --------    --------    -------    -------    ----------
<S>                             <C>       <C>       <C>       <C>         <C>         <C>        <C>        <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................  $  11.76  $  10.32  $  10.88  $  13.61    $  11.25    $ 10.91    $ 11.20    $    11.17
                                --------  --------  --------  --------    --------    -------    -------    ----------
Income from investment
 operations:
  Net investment income.......      0.74      0.89      0.97      0.79        0.96       0.86       0.84*         1.04*
  Net realized and unrealized
   gain (loss) on
   investments................      0.34      1.44     (0.69)    (2.14)       2.85       0.31      (0.02)        (0.17)
                                --------  --------  --------  --------    --------    -------    -------    ----------
    Net increase (decrease)
     from investment
     operations...............      1.08      2.33      0.28     (1.35)       3.81       1.17       0.82          0.87
                                --------  --------  --------  --------    --------    -------    -------    ----------
Distributions:
  From net investment
   income.....................     (0.78)    (0.82)    (0.80)    (0.79)      (0.96)     (0.83)     (0.60)        (0.84)
  From net realized gain on
   investments................        --        --        --     (0.38)      (0.37)        --      (0.51)           --
  In excess of net investment
   income.....................     (0.06)    (0.07)       --        --          --         --         --            --
  Return of capital...........        --        --     (0.04)    (0.21)         --         --         --            --
  From sources other than net
   investment income..........        --        --        --        --       (0.12)        --         --            --
                                --------  --------  --------  --------    --------    -------    -------    ----------
    Total distributions.......     (0.84)    (0.89)    (0.84)    (1.38)      (1.45)     (0.83)     (1.11)        (0.84)
                                --------  --------  --------  --------    --------    -------    -------    ----------
Net asset value, end of
 period.......................  $  12.00  $  11.76  $  10.32  $  10.88    $  13.61    $ 11.25    $ 10.91    $    11.20
                                --------  --------  --------  --------    --------    -------    -------    ----------
                                --------  --------  --------  --------    --------    -------    -------    ----------
Total investment return (d)...     9.40%    23.00%     3.06%  (10.44)%       37.0%      11.1%       7.7%          8.3%
                                --------  --------  --------  --------    --------    -------    -------    ----------
                                --------  --------  --------  --------    --------    -------    -------    ----------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $138,715  $185,126  $188,165  $275,241    $287,870    $83,849    $55,967    $   44,545
Ratio of net investment income
 to average net assets........     6.18%     8.09%     9.64%     6.74%        7.2%       7.6%       7.2%*         9.6%*
Ratio of expenses to average
 net assets:
  With expense reductions.....     1.35%     1.38%     1.42%     1.40%        1.7%       1.8%       1.9%*         1.9%*
  Without expense
   reductions.................     1.44%     1.40%     1.45%       N/A         N/A        N/A        N/A           N/A
Ratio of interest expenses to
 average net assets...........       N/A       N/A       N/A     0.10%         N/A        N/A        N/A           N/A
Portfolio turnover rate +++...      149%      177%      238%      583%        310%       418%       630%          501%
</TABLE>
 
- ------------------
 
+   All capital shares issued and outstanding as of October 21, 1992 were
    reclassified as Class A shares.
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.01, $0.04, $0.02 and 0.05 for the year ended October 31, 1991, 1990, 1989
    and 1988, respectively. Without such reimbursements, the expense ratios
    would have been 1.92%, 2.20%, 2.02% and 2.42% and the ratio of net
    investment income to average net assets would have been 7.16%, 9.26%, 7.56%
    and 6.42% for the year ended October 31, 1991, 1990, 1989 and 1988,
    respectively.
    
 
(a) Not annualized.
 
(b) Ratios are not meaningful due to short period of operation of Class B
    shares.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
(e) Annualized.
 
N/A Not Applicable.
 
                               Prospectus Page 9
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             STRATEGIC INCOME FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                               CLASS A+
                                      --------------------------
                                                      MARCH 29,
                                                        1988                                 CLASS B++
                                                     (COMMENCE-    --------------------------------------------------------------
                                        YEAR           MENT OF                                                         OCT. 22,
                                       ENDED         OPERATIONS)                 YEAR ENDED OCT. 31,                   1992 TO
                                      OCT. 31,       TO OCT. 31,   ------------------------------------------------    OCT. 31,
                                        1989            1988         1997      1996    1995(c)   1994(c)   1993(c)       1992
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
<S>                                   <C>            <C>           <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating Performance:
Net asset value, beginning of
 period.............................  $  11.25          $ 11.43    $  11.77  $  10.33  $  10.88  $  13.60  $  11.24       $11.36
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
Income from investment operations:
  Net investment income.............      0.82*            0.45*       0.67      0.82      0.91      0.73      0.89         0.01
  Net realized and unrealized gain
   (loss) on investments............     (0.10)           (0.24)       0.33      1.44     (0.69)    (2.14)     2.85        (0.13)
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
    Net increase (decrease) from
     investment operations..........      0.72             0.21        1.00      2.26      0.22     (1.41)     3.74        (0.12)
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
Distributions:
  From net investment income........     (0.80)           (0.39)      (0.71)    (0.75)    (0.73)    (0.72)    (0.89)          --
  From net realized gain on
   investments......................        --               --          --        --        --     (0.38)    (0.37)          --
  In excess of net investment
   income...........................        --               --       (0.05)    (0.07)       --        --        --           --
  Return of capital.................        --               --          --        --     (0.04)    (0.21)       --           --
  From sources other than net
   investment income................        --               --          --        --        --        --     (0.12)          --
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
    Total distributions.............     (0.80)           (0.39)      (0.76)    (0.82)    (0.77)    (1.31)    (1.38)          --
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
Net asset value, end of period......  $  11.17          $ 11.25    $  12.01  $  11.77  $  10.33  $  10.88  $  13.60       $11.24
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
Total investment return (d).........      6.8%             1.2%(a)    8.70%    22.15%     2.48%  (11.02)%     36.2%       (1.1)%(a)
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
                                      --------       -----------   --------  --------  --------  --------  --------  ------------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).............................  $ 37,820          $21,830    $281,376  $338,178  $357,852  $458,550  $310,431       $  533
Ratio of net investment income to
 average net assets.................      7.7%*            7.2%*(e)    5.53%    7.44%     8.99%     6.09%      6.5%          N/A(b)
Ratio of expenses to average net
 assets:
  With expense reductions...........      1.8%*            1.7%*(e)    2.00%    2.03%     2.07%     2.05%      2.4%          N/A(b)
  Without expense reductions........       N/A              N/A       2.09%     2.05%     2.10%       N/A       N/A          N/A
Ratio of interest expenses to
 average net assets.................       N/A              N/A         N/A       N/A       N/A     0.10%       N/A          N/A
Portfolio turnover rate +++.........      385%             340%(e)     149%      177%      238%      583%      310%         418%
</TABLE>
 
- ------------------
 
++  Commencing October 22, 1992, the Fund began offering Class B shares.
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.01, $0.04, $0.02 and 0.05 for the year ended October 31, 1991, 1990, 1989
    and 1988, respectively. Without such reimbursements, the expense ratios
    would have been 1.92%, 2.20%, 2.02% and 2.42% and the ratio of net
    investment income to average net assets would have been 7.16%, 9.26%, 7.56%
    and 6.42% for the year ended October 31, 1991, 1990, 1989 and 1988,
    respectively.
    
 
(a) Not annualized.
 
(b) Ratios are not meaningful due to short period of operation of Class B
    shares.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
(e) Annualized.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                    AVERAGE MONTHLY        AVERAGE MONTHLY        AVERAGE AMOUNT
                                 AMOUNT OF DEBT     AMOUNT OF DEBT      NUMBER OF REGISTRANT'S      OF DEBT PER
                                 OUTSTANDING AT       OUTSTANDING         SHARES OUTSTANDING       SHARE DURING
YEAR ENDED                       END OF PERIOD     DURING THE PERIOD      DURING THE PERIOD         THE PERIOD
- ------------------------------  ----------------  -------------------  ------------------------  -----------------
<S>                             <C>               <C>                  <C>                       <C>
October 31, 1997..............         --            $   3,575,910              39,263,038           $  0.0911
</TABLE>
    
 
                               Prospectus Page 10
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                HIGH INCOME FUND
 
<TABLE>
<CAPTION>
                                                                                        CLASS A
                                                          --------------------------------------------------------------------
                                                                                                              OCT. 22, 1992
                                                                        YEAR ENDED OCT. 31,                   (COMMENCEMENT
                                                          ------------------------------------------------  OF OPERATIONS) TO
                                                          1997 (c)  1996 (c)    1995    1994 (c)  1993 (c)    OCT. 31, 1992
                                                          --------  --------  --------  --------  --------  ------------------
<S>                                                       <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating Performance:
Net asset value, beginning of period....................  $  14.85  $  11.70  $  12.56  $  14.92  $  11.43          $11.43
                                                          --------  --------  --------  --------  --------         -------
Income from investment operations:
  Net investment income.................................      1.19      1.27      1.35      0.94      0.78              --
  Net realized and unrealized gain (loss) on
   investments..........................................      0.93      3.09     (1.09)    (1.87)     3.92              --
                                                          --------  --------  --------  --------  --------         -------
    Net increase (decrease) from investment
     operations.........................................      2.12      4.36      0.26     (0.93)     4.70              --
                                                          --------  --------  --------  --------  --------         -------
Distributions:
  From net investment income............................     (1.18)    (1.11)    (1.03)    (0.94)    (0.78)             --
  From net realized gain on investments.................     (0.23)    (0.10)    (0.03)    (0.27)       --              --
  In excess of net realized gain on investments.........        --        --        --     (0.22)       --              --
  From sources other than net investment income.........        --        --        --        --     (0.43)             --
  Return of capital.....................................        --        --     (0.06)       --        --              --
                                                          --------  --------  --------  --------  --------         -------
    Total distributions.................................     (1.41)    (1.21)    (1.12)    (1.43)    (1.21)             --
                                                          --------  --------  --------  --------  --------         -------
Net asset value, end of period..........................  $  15.56  $  14.85  $  11.70  $  12.56  $  14.92          $11.43
                                                          --------  --------  --------  --------  --------         -------
                                                          --------  --------  --------  --------  --------         -------
Total investment return (e).............................    14.46%    39.05%     2.81%   (6.45)%     43.6%              --(b)
                                                          --------  --------  --------  --------  --------         -------
                                                          --------  --------  --------  --------  --------         -------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)....................  $133,973  $178,318  $142,002  $167,974  $143,171          $  207
Ratio of net investment income (loss) to average net
  assets................................................     7.39%     9.52%    11.85%     7.00%      6.4%             N/A(d)
Ratio of expenses to average net assets:
With expense reductions.................................     1.53%     1.69%     1.75%     1.57%     2.20%             N/A(d)
Without expense reductions..............................     1.58%     1.69%     1.75%     1.57%     2.20%             N/A(d)
Ratio of interest expense to average net assets.........       N/A     0.04%       N/A     0.22%       N/A             N/A
Portfolio turnover rate (f).............................      214%      290%      213%      178%      195%             --%
</TABLE>
 
- ------------------
 
(a) Annualized.
 
(b) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    during the year.
 
(d) Ratios are not meaningful due to short period of operation.
 
(e) Total investment return does not include sales charges.
 
(f)  The Fund invests only in the Portfolio and does not engage in securities
     transactions. Accordingly, the portfolio turnover rates presented are for
     the Portfolio.
 
N/A Not Applicable.
 
                               Prospectus Page 11
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                HIGH INCOME FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                                        CLASS B
                                                          --------------------------------------------------------------------
                                                                                                              OCT. 22, 1992
                                                                        YEAR ENDED OCT. 31,                   (COMMENCEMENT
                                                          ------------------------------------------------  OF OPERATIONS) TO
                                                          1997 (c)  1996 (c)    1995    1994 (c)  1993 (c)    OCT. 31, 1992
                                                          --------  --------  --------  --------  --------  ------------------
<S>                                                       <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating Performance:
Net asset value, beginning of period....................  $  14.83  $  11.69  $  12.56  $  14.90  $  11.43          $11.43
                                                          --------  --------  --------  --------  --------         -------
Income from investment operations:
  Net investment income.................................      1.09      1.17      1.27      0.86      0.70              --
  Net realized and unrealized gain (loss) on
   investments..........................................      0.93      3.09     (1.09)    (1.85)     3.90              --
                                                          --------  --------  --------  --------  --------         -------
    Net increase (decrease) from investment
     operations.........................................      2.02      4.26      0.18     (0.99)     4.60              --
                                                          --------  --------  --------  --------  --------         -------
Distributions:
  From net investment income............................     (1.08)    (1.03)    (0.96)    (0.86)    (0.70)             --
  From net realized gain on investments.................     (0.23)    (0.09)    (0.03)    (0.27)       --              --
  In excess of net realized gain on investments.........        --        --        --     (0.22)       --              --
  From sources other than net investment income.........        --        --        --        --     (0.43)             --
  Return of capital.....................................        --        --     (0.06)       --        --              --
                                                          --------  --------  --------  --------  --------         -------
    Total distributions.................................     (1.31)    (1.12)    (1.05)    (1.35)    (1.13)             --
                                                          --------  --------  --------  --------  --------         -------
Net asset value, end of period..........................  $  15.54  $  14.83  $  11.69  $  12.56  $  14.90          $11.43
                                                          --------  --------  --------  --------  --------         -------
                                                          --------  --------  --------  --------  --------         -------
Total investment return (e).............................    13.77%    38.16%     2.07%   (6.99)%     42.6%              --(b)
                                                          --------  --------  --------  --------  --------         -------
                                                          --------  --------  --------  --------  --------         -------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)....................  $228,101  $251,002  $214,897  $232,423  $127,035          $   53
Ratio of net investment income (loss) to average net
 assets.................................................     6.74%     8.87%    11.20%     6.35%      5.8%             N/A(d)
Ratio of expenses to average net assets:
With expense reductions.................................     2.18%     2.34%     2.40%     2.22%      2.8%             N/A(d)
Without expense reductions..............................     2.23%     2.34%     2.40%     2.22%      2.8%             N/A(d)
Ratio of interest expense to average net assets.........       N/A     0.04%       N/A     0.22%       N/A             N/A
Portfolio turnover rate (f).............................      214%      290%       --%       --%       --%             --%
</TABLE>
 
- ------------------
 
(a) Annualized.
 
(b) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    during the year.
 
(d) Ratios are not meaningful due to short period of operation.
 
(e) Total investment return does not include sales charges.
 
(f)  The Fund invests only in the Portfolio and does not engage in securities
     transactions. Accordingly, the portfolio turnover rates presented are for
     the Portfolio.
 
N/A Not Applicable.
 
                       ----------------------------------
 
   
<TABLE>
<CAPTION>
                                                    AVERAGE MONTHLY        AVERAGE MONTHLY        AVERAGE AMOUNT
                                 AMOUNT OF DEBT     AMOUNT OF DEBT      NUMBER OF REGISTRANT'S      OF DEBT PER
                                 OUTSTANDING AT       OUTSTANDING         SHARES OUTSTANDING       SHARE DURING
YEAR ENDED                       END OF PERIOD     DURING THE PERIOD      DURING THE PERIOD         THE PERIOD
- ------------------------------  ----------------  -------------------  ------------------------  -----------------
<S>                             <C>               <C>                  <C>                       <C>
October 31, 1997..............         --           $     2,526,057             28,093,475           $  0.0899
October 31, 1996..............         --                 2,431,693             30,732,727              0.0791
October 31, 1995..............         --                        --                     --                  --
October 31, 1994..............         --                14,109,589             26,707,829              0.5283
</TABLE>
    
 
                               Prospectus Page 12
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
GOVERNMENT INCOME FUND
The Government Income Fund seeks a high level of current income by investing
primarily in high quality debt securities of the U.S. and foreign governments,
their agencies and instrumentalities. Its secondary objectives are capital
appreciation and protection of principal through active management of its
maturity structure and currency exposure.
 
   
At least 65% of the Fund's total assets normally are invested in debt
obligations issued or guaranteed by the U.S. or foreign governments (including
foreign states, provinces or municipalities) or their agencies, authorities or
instrumentalities including mortgage-backed securities issued by agencies or
instrumentalities of the U.S. Government or by foreign governments. For purposes
of this policy, the Fund considers debt obligations of supranational entities
organized or supported by several national governments, such as the World Bank
and the Asian Development Bank, to be "government securities."
    
 
   
The Fund invests primarily in high quality government debt securities. "High
quality" debt securities are those rated in the top two ratings categories of
Moody's Investors Service, Inc. ("Moody's") or Standard & Poor's, a division of
The McGraw-Hill Companies, Inc. ("S&P"), or, if not rated, determined to be of
comparable quality by the Sub-adviser. A description of Moody's and S&P ratings
is included in the Appendix to this Prospectus.
    
 
   
The Fund currently contemplates that it will invest principally in obligations
of the United States, Canada, Japan, the Western European nations, New Zealand
and Australia, as well as in multinational currency units. Under normal market
conditions, the Fund invests in issues of not less than three different
countries; investments in the securities of any one country, other than the
United States, normally represent no more than 40% of the Fund's total assets.
The Fund will not invest in a foreign currency or in securities denominated in a
foreign currency if such currency is not at the time of investment considered by
the Sub-adviser to be fully exchangeable into U.S. dollars (or a multinational
currency unit) without legal restriction.
    
 
   
The Fund may also invest up to 35% of its total assets in: (1) foreign
government securities that are not high quality but are rated at least
"investment grade," i.e., rated within the four highest ratings categories of
Moody's or S&P or, if not rated, determined by the Sub-adviser to be of
comparable quality; (2) corporate debt obligations of U.S. or foreign issuers
rated at least investment grade by Moody's or S&P, including debt obligations
convertible into equity securities or having attached warrants or rights to
purchase equity securities; (3) privately issued mortgage-backed and asset-
backed securities that are rated at least investment grade by Moody's or S&P, or
if unrated, determined by the Sub-adviser to be of comparable quality; and (4)
common stocks, preferred stocks and warrants to acquire such securities,
provided that the Fund will not invest more than 20% of its total assets in such
securities.
    
 
STRATEGIC INCOME FUND
The Strategic Income Fund primarily seeks high current income and secondarily
seeks capital appreciation.
 
   
The Fund invests in debt securities of issuers in: (1) the United States; (2)
developed foreign countries; and (3) emerging markets. The Fund selects debt
securities from those issued by governments, their agencies and
instrumentalities; central banks; and commercial banks and other corporate
entities. Debt securities in which the Fund may invest include bonds, notes,
debentures, and other similar instruments including mortgage-backed and
asset-backed securities of foreign issuers as well as domestic issuers. The Fund
normally invests at least 50% of its net assets in U.S. and foreign debt and
other fixed income securities that, at the time of purchase, are rated at least
investment grade by Moody's or S&P or, if not rated, determined by the
Sub-adviser to be of comparable quality. No more than 50% of the Fund's total
assets may be invested in securities rated below investment grade. Such
securities involve a high degree of risk and are predominantly speculative. They
are the equivalent of high yield, high risk bonds, commonly known as "junk
bonds." The Fund may also invest in securities that are in default as to payment
of principal and/or interest.
    
 
The Fund's investments in emerging market securities may consist substantially
of Brady Bonds (see "General Policies -- Brady Bonds," below) and other
sovereign debt securities issued by emerging market governments that are traded
in the
 
                               Prospectus Page 13
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
markets of developed countries or groups of developed countries. The Sub-adviser
may invest in debt securities of emerging market issuers that it determines to
be suitable investments for the Fund without regard to ratings. Currently, the
substantial majority of emerging market debt securities are considered to have a
credit quality below investment grade. The Fund also may invest in below-
investment grade debt securities of corporate issuers in the United States and
in developed foreign countries, subject to the overall 50% limitation.
    
 
HIGH INCOME FUND
The High Income Fund primarily seeks high current income, and secondarily seeks
capital appreciation. It seeks its objectives by investing all of its investable
assets in the Portfolio, which in turn seeks the same objectives as the Fund by
normally investing at least 65% of its total assets in debt securities of
issuers in emerging markets.
 
The Portfolio intends to invest in the following types of debt securities:
bonds, notes and debentures of emerging market governments; securities issued or
guaranteed by such governments' agencies or instrumentalities; securities issued
or guaranteed by the central banks of emerging market countries; and securities
issued by other banks and companies in such countries and securities denominated
in or indexed to the currencies of emerging markets. Under current market
conditions, the Portfolio expects its investments in emerging market securities
to consist substantially of Brady Bonds (see "General Policies -- Brady Bonds,"
below) and other sovereign debt securities.
 
   
The Portfolio may also invest up to 35% of its total assets in (1) equity
securities of issuers in emerging markets included in the list below under the
caption "Emerging Markets"; (2) equity and debt securities of issuers in
developed countries, including the United States; (3) securities of issuers in
emerging markets not included in the emerging markets list, if investing therein
becomes feasible and desirable subsequent to the date of this Prospectus; and
(4) cash and money market instruments. In evaluating investments in securities
of issuers in developed markets, the Sub-adviser will consider, among other
things, the business activities of the issuer in emerging markets and the impact
that developments in emerging markets are likely to have on the issuer's
financial condition.
    
 
   
Under normal circumstances, substantially all of the Portfolio's assets will be
invested in debt securities of both governmental and corporate issuers in
emerging markets. Emerging markets debt securities generally are considered to
have a credit quality below investment grade, as defined above. Lower quality
securities involve a high degree of risk and are predominantly speculative.
These debt securities are the equivalent of high yield, high risk bonds,
commonly known as "junk bonds." See "Risk Factors." Many emerging market debt
securities are not rated by U.S. ratings agencies such as Moody's and S&P. The
Portfolio's ability to achieve its investment objectives is thus more dependent
on the Sub-adviser's credit analysis. The Portfolio may invest in securities
that are in default as to payment of principal and/or interest.
    
 
OTHER INFORMATION REGARDING THE PORTFOLIO. As previously described, investors
should be aware that the High Income Fund, unlike mutual funds that directly
acquire and manage their own portfolios of securities, seeks to achieve its
investment objectives by investing all of its investable assets in the
Portfolio, which is a separate investment company. Because the Fund will invest
only in the Portfolio, the Fund's shareholders will acquire only an indirect
interest in the investments of the Portfolio.
 
   
The High Income Fund may redeem its investment from the Portfolio at any time,
if the Board of Trustees of the Company determines that it is in the best
interests of the Fund and its shareholders to do so. A change in the Portfolio's
investment objectives, policies or limitations that is not approved by the Board
or the shareholders of the High Income Fund could require the Fund to redeem its
interest in the Portfolio. Any such redemption could result in a distribution in
kind of portfolio securities (as opposed to a cash distribution) by the
Portfolio. In addition, a distribution in kind could result in a less
diversified portfolio of investments for the Fund and could adversely affect its
liquidity. Upon redemption, the Board would consider what action might be taken,
including the investment of all the investable assets of the Fund in another
pooled investment entity having substantially the same investment objectives as
the Fund or the retention by the Fund of its own investment adviser to manage
its assets in accordance with its investment objectives, policies and
limitations discussed herein.
    
 
In addition to selling an interest therein to the Fund, the Portfolio may sell
interests therein to other non-affiliated investment companies and/or other
institutional investors. All institutional investors in the Portfolio will pay a
proportionate share of the Portfolio's expenses and will invest in the Portfolio
on the same terms and conditions. However, if another investment company invests
any or all of its assets in the Portfolio, it would not be required to sell its
shares at the same public offering price as the Fund and may charge different
sales commissions. Therefore, investors in the Fund may
 
                               Prospectus Page 14
<PAGE>
                             GT GLOBAL INCOME FUNDS
experience different returns than investors in another investment company that
invests exclusively in the Portfolio. As of the date of this Prospectus, the
High Income Fund is the only institutional investor in the Portfolio.
 
Investors in the Fund should be aware that the Funds' investment in the
Portfolio may be materially affected by the actions of other large investors, if
any, in the Portfolio. For example, as with all open-end investment companies,
if a large investor were to redeem its interest in the Portfolio, (1) the
Portfolio's remaining investors could experience higher pro rata operating
expenses, thereby producing lower returns and (2) the Portfolio's security
holdings may become less diverse, resulting in increased risk. Institutional
investors in the Portfolio that have a greater pro rata ownership interest in
the Portfolio than the Fund could have effective voting control over the
operation of the Portfolio.
 
                                GENERAL POLICIES
 
ASSET ALLOCATION. The Government Income Fund, the Strategic Income Fund and the
Portfolio each invests in debt obligations allocated among diverse markets and
denominated in various currencies, including U.S. dollars, or in multinational
currency units such as European Currency Units. The Funds are designed for
investors who wish to accept the risks entailed in such investments, which are
different from those associated with a portfolio consisting entirely of
securities of U.S. issuers denominated in U.S. dollars. The Government Income
Fund, the Strategic Income Fund and the Portfolio may purchase securities that
are issued by the government or a company or financial institution of one
country but denominated in the currency of another country (or a multinational
currency unit).
 
   
The Sub-adviser allocates the assets of the Government Income Fund, the
Strategic Income Fund and the Portfolio in securities of issuers in countries
and in currency denominations where the combination of fixed income market
returns, the price appreciation potential of fixed income securities and
currency exchange rate movements will present opportunities primarily for high
current income and secondarily for capital appreciation (and, in the case of the
Government Income Fund, secondarily for capital appreciation and protection of
principal). In so doing, the Sub-adviser intends to take full advantage of the
different yield, risk and return characteristics that investment in the fixed
income markets of different countries can provide for U.S. investors.
Fundamental economic strength, credit quality and currency and interest rate
trends are the principal determinants of the emphasis given to various country,
geographic and industry sectors within the Government Income Fund, the Strategic
Income Fund and the Portfolio. Securities held by the Government Income Fund,
the Strategic Income Fund and the Portfolio may be invested in without
limitation as to maturity.
    
 
   
The Sub-adviser selects securities of particular issuers on the basis of its
views as to the best values then currently available in the marketplace. Such
values are a function of yield, maturity, issue classification and quality
characteristics, coupled with expectations regarding the local and world
economies, movements in the general level and term of interest rates, currency
values, political developments and variations in the supply of funds available
for investment in the world bond market relative to the demands placed upon it.
    
 
   
The Sub-adviser generally evaluates currencies on the basis of fundamental
economic criteria (e.g., relative inflation, interest rate levels and trends,
growth rate forecasts, balance of payments status and economic policies) as well
as technical and political data. The Sub-adviser may seek to protect a Fund
against such negative currency movements through the use of sophisticated
investment techniques. See "Options, Futures and Forward Currency Transactions"
and "Swaps, Caps, Floors and Collars."
    
 
   
According to the Sub-adviser, as of the date of this Prospectus, more than 50%
of the value of all outstanding government debt obligations throughout the world
is represented by obligations denominated in currencies other than the U.S.
dollar. Moreover, from time to time, the debt securities of issuers located
outside the United States have substantially outperformed the debt obligations
of U.S. issuers. Accordingly, the Sub-adviser believes that the Government
Income Fund's and the Strategic Income Fund's policy of investing in debt
securities throughout the world and the Portfolio's policy of investing in debt
securities of issuers in emerging markets may enable the achievement of results
superior to those produced by mutual funds with similar objectives to those of
the Funds and the Portfolio that invest solely in debt securities of U.S.
issuers.
    
 
   
TEMPORARY DEFENSIVE STRATEGIES. The Sub-adviser may employ a temporary defensive
investment strategy if it determines such a strategy to be warranted due to
market, economic or political conditions. Pursuant to such a defensive strategy,
the Government Income Fund, the Strategic Income Fund and the Portfolio
temporarily may hold cash (U.S. dollars, foreign currencies or multinational
currency units) and/or invest up to 100% of
    
 
                               Prospectus Page 15
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
their respective assets in high quality debt securities or money market
instruments of U.S. or foreign issuers. In addition, for temporary defensive
purposes, most or all of the Government Income Fund's, the Strategic Income
Fund's or the Portfolio's investments may be made in the United States and
denominated in U.S. dollars. To the extent the Funds or the Portfolio employ a
temporary defensive strategy, they will not be invested so as to achieve
directly their investment objectives. In addition, pending investment of
proceeds from new sales of Fund shares or to meet ordinary daily cash needs, the
Government Income Fund, the Strategic Income Fund and the Portfolio may hold
cash (U.S. dollars, foreign currencies or multinational currency units) and may
invest in high quality foreign or domestic money market instruments. For a full
description of money market instruments in which the Funds or the Portfolio may
invest, see                         in the Statement of Additional Information.
    
 
   
EMERGING MARKET SECURITIES. The Strategic Income Fund and the Portfolio consider
"emerging markets" to consist of all countries determined by the Sub-adviser to
have developing or emerging economies and markets. These countries generally
include every country in the world except the United States, Canada, Japan,
Australia, New Zealand and most countries located in Western Europe. The
Strategic Income Fund and the Portfolio will consider investment in the
following emerging markets:
    
 
<TABLE>
<S>               <C>            <C>
  Algeria         Hong Kong      Peru
  Argentina       Hungary        Philippines
  Bolivia         India          Poland
  Botswana        Indonesia      Portugal
  Brazil          Israel         Republic of
  Bulgaria        Ivory Coast    Slovakia
  Chile           Jamaica        Russia
  China           Jordan         Singapore
  Colombia        Kazakhstan     Slovenia
  Costa Rica      Kenya          South Africa
  Cyprus          Lebanon        South Korea
  Czech           Malaysia       Sri Lanka
   Republic       Mauritius      Swaziland
  Dominican       Mexico         Taiwan
   Republic       Morocco        Thailand
  Ecuador         Nicaragua      Turkey
  Egypt           Nigeria        Ukraine
  El Salvador     Oman           Uruguay
  Finland         Pakistan       Venezuela
  Ghana           Panama         Zambia
  Greece          Paraguay       Zimbabwe
</TABLE>
 
The Strategic Income Fund and the Portfolio will not be invested in all such
markets at all times. Moreover, investing in some of those markets currently may
not be desirable or feasible, due to the lack of adequate custody arrangements,
overly burdensome repatriation requirements and similar restrictions, the lack
of organized and liquid securities markets, unacceptable political risks or for
other reasons.
 
As used in this Prospectus and the Statement of Additional Information, an
issuer in an emerging market is an entity: (i) for which the principal
securities trading market is an emerging market, as defined above; (ii) that
(alone or on a consolidated basis) derives 50% or more of its total revenue from
either goods produced, sales made or services performed in emerging markets; or
(iii) organized under the laws of, or with a principal office in, an emerging
market.
 
   
BRADY BONDS. The Government Income Fund, the Strategic Income Fund and the
Portfolio may invest in "Brady Bonds," which are debt restructurings that
provide for the exchange of cash and loans for newly issued bonds. Brady Bonds
have been issued by the countries of Albania, Argentina, Brazil, Bulgaria, Costa
Rica, Dominican Republic, Ecuador, Ivory Coast, Jordan, Mexico, Nigeria, Panama,
Peru, Philippines, Poland, Uruguay, Venezuela and Vietnam and are expected to be
issued by other emerging market countries. As of the date of this Prospectus,
the Government Income Fund, the Strategic Income Fund and the Portfolio are not
aware of the occurrence of any payment defaults on Brady Bonds. Investors should
recognize, however, that Brady Bonds do not have a long payment history. In
addition, Brady Bonds are often rated below investment grade.
    
 
   
The Government Income Fund, Strategic Income Fund and the Portfolio may invest
in either collateralized or uncollateralized Brady Bonds. U.S.
dollar-denominated, collateralized Brady Bonds, which may be fixed rate par
bonds or floating rate discount bonds, are collateralized in full as to
principal by U.S. Treasury zero coupon bonds having the same maturity as the
bonds. Interest payments on such bonds generally are collateralized by cash or
securities in an amount that, in the case of fixed rate bonds, is equal to at
least one year of rolling interest payments or, in the case of floating rate
bonds, initially is equal to at least one year's rolling interest payments based
on the applicable interest rate at the time of issuance and is adjusted at
regular intervals thereafter.
    
 
   
MORTGAGE-BACKED AND ASSET-BACKED SECURITIES. The Government Income Fund and the
Strategic Income Fund may invest in mortgage-backed and asset-backed securities
of U.S. and foreign issuers, including privately issued mortgage-
    
 
                               Prospectus Page 16
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
backed and asset-backed securities. Mortgage-backed securities represent direct
or indirect interests in pools of underlying mortgage loans that are secured by
real property. Investors typically receive payments out of the interest on and
principal of the underlying secured by real property. Investors typically
receive payments out of the interest on and principal of the underlying
mortgages. Asset-backed securities are similar to mortgage-backed securities,
except that the underlying assets are other financial assets or financial
receivables, such as motor vehicle installment sales contracts, home equity
loans, leases of various types of real and personal property, and receivables
from credit cards. Any mortgage-backed and asset-backed securities purchased by
the Government Income Fund and the Strategic Income Fund will be subject to the
same rating requirements that apply to its other investments. In addition,
privately issued mortgage-backed and asset-backed securities purchased by
Government Income Fund will be subject to the limitation of that Fund which
allows no more than 35% of its total assets to be invested in securities of
non-governmental issuers.
    
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Strategic Income Fund and the Portfolio
may invest in fixed and floating rate loans ("Loans") arranged through private
negotiations between a foreign entity and one or more financial institutions
("Lenders"). The majority of the Fund's and the Portfolio's investments in Loans
in emerging markets is expected to be in the form of participations in Loans
("Participations") and assignments of portions of Loans from third parties
("Assignments"). Participations typically will result in the Fund and/or the
Portfolio having a contractual relationship only with the Lender, not with the
borrower government. The Fund and/or the Portfolio will have the right to
receive payments of principal, interest and any fees to which it is entitled
only from the Lender selling the Participation and only upon receipt by the
Lender of the payments from the borrower. In connection with purchasing
Participations, the Fund and/or the Portfolio generally will have no right to
enforce compliance by the borrower with the terms of the loan agreement relating
to the loan ("Loan Agreement"), nor any rights of set-off against the borrower,
and the Fund and/or the Portfolio may not directly benefit from any collateral
supporting the Loan in which it has purchased the Participation. As a result,
the Fund and/or the Portfolio will assume the credit risk of both the borrower
and the Lender that is selling the Participation.
 
   
In the event of the insolvency of the Lender selling a Participation, the Fund
and/or the Portfolio may be treated as a general creditor of the Lender and may
not benefit from any set-off between the Lender and the borrower. The Fund
and/or the Portfolio will acquire Participations only if the Lender
interpositioned between the Fund and/or the Portfolio and the borrower is
determined by the Sub-adviser to be creditworthy. When the Fund and/ or the
Portfolio purchases Assignments from Lenders, the Fund and/or the Portfolio will
acquire direct rights against the borrower on the Loan. However, since
Assignments are arranged through private negotiations between potential
assignees and assignors, the rights and obligations acquired by the Fund and/or
the Portfolio as the purchaser of an Assignment may differ from, and be more
limited than, those held by the assigning Lender.
    
 
   
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES. The Government Income Fund, the
Strategic Income Fund and the Portfolio may purchase debt securities on a
"when-issued" basis and may purchase or sell such securities on a "forward
commitment" basis in order to hedge against anticipated changes in interest
rates and prices. The price, which is generally expressed in yield terms, is
fixed at the time the commitment is made, but delivery and payment for the
securities take place at a later date. When-issued securities and forward
commitments may be sold prior to the settlement date, but the Funds and the
Portfolio will purchase or sell when-issued securities and forward commitments
only with the intention of actually receiving or delivering the securities, as
the case may be. No income accrues on securities that have been purchased
pursuant to a forward commitment or on a when-issued basis prior to delivery of
the securities. If a Fund or the Portfolio disposes of the right to acquire a
when-issued security prior to its acquisition or disposes of its right to
deliver or receive against a forward commitment, it may incur a gain or loss. At
the time a Fund or the Portfolio enters into a transaction on a when-issued or
forward commitment basis, the Fund or the Portfolio will segregate cash or
liquid securities equal to the value of the when-issued or forward commitment
securities with its custodian and will mark to market daily such assets. There
is a risk that the securities may not be delivered and that a Fund or the
Portfolio may incur a loss. The Government Income Fund may invest up to 5% of
its total assets in a combination of securities purchased on a when-issued basis
or with respect to which it has entered into forward commitment agreements.
    
 
The Strategic Income Fund and the Portfolio may also sell securities on a "when,
as and if issued" basis for hedging purposes. Under such a transaction, the Fund
or the Portfolio is required to
 
                               Prospectus Page 17
<PAGE>
                             GT GLOBAL INCOME FUNDS
deliver at a future date a security it does not presently hold, but which it has
a right to receive if the security is issued. Issuance of the security may not
occur, in which case the Fund or Portfolio would have no obligation to the other
party, and would not receive payment for the sale. Selling securities on a
"when, as and if issued" basis may reduce risk of loss to the extent that such a
sale wholly or partially offsets unfavorable price movements on the investments
being hedged. However, such sales also limit the amount the Fund or Portfolio
can receive if the "when, as and if issued" security is in fact issued.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND ROLL TRANSACTIONS. The Government
Income Fund may borrow from banks or may borrow through reverse repurchase
agreements and "roll" transactions in connection with meeting requests for the
redemption of Fund shares. The Government Income Fund also may borrow up to 5%
of its total assets for temporary or emergency purposes other than to meet
redemptions. However, the Government Income Fund will not borrow for investment
purposes, nor will the Fund purchase securities while borrowings are
outstanding.
 
   
Both the Strategic Income Fund and the Portfolio are authorized to borrow money
from banks in an amount up to 33 1/3% of its total assets (including the amount
borrowed), less all liabilities and indebtedness other than the borrowings and
may use the proceeds of such borrowings for investment purposes. The Strategic
Income Fund and the Portfolio will borrow for investment purposes only when the
Sub-adviser believes that such borrowings will benefit the Fund or the
Portfolio, respectively, after taking into account considerations such as the
costs of the borrowing and the likely investment returns on the securities
purchased with the borrowed monies.
    
 
Borrowing for investment purposes is known as leveraging, which is a speculative
practice. Such borrowing by the Strategic Income Fund and the Portfolio creates
the opportunity for increased net income and appreciation but, at the same time,
involves special risk considerations. For example, leveraging might exaggerate
changes in the net asset value of Fund shares and in the yield realized by the
Fund or the Portfolio. Although the principal amount of such borrowings will be
fixed, the Fund's and the Portfolio's assets may change in value during the time
the borrowing is outstanding. By leveraging the Fund or the Portfolio, changes
in net asset values, higher or lower, may be greater in degree than if leverage
was not employed. To the extent the income derived from the assets obtained with
borrowed funds exceeds the interest and other expenses that the Fund or the
Portfolio will have to pay, the Fund's or the Portfolio's net income will be
greater than if borrowing was not used. Conversely, if the income from the
assets obtained with borrowed funds is not sufficient to cover the cost of
borrowing, the net income of the Fund or the Portfolio will be less than if
borrowing were not used, and therefore the amount available for distribution to
shareholders as dividends will be reduced. The Strategic Income Fund and the
Portfolio each expects that some of its borrowings may be made on a secured
basis.
 
In addition to the foregoing borrowings, the Strategic Income Fund and the
Portfolio each may borrow money for temporary or emergency purposes or payments
in an amount not exceeding 5% of the value of its total assets (not including
the amount borrowed) provided that the total amount borrowed by the Strategic
Income Fund or the Portfolio for any purpose does not exceed 33 1/3% of its
total assets.
 
The Funds and the Portfolio may also enter into reverse repurchase agreements
with a bank or recognized securities dealer, although the Strategic Income Fund
currently has no intention of doing so with respect to more than 5% of its total
assets. Under a reverse repurchase agreement, the Funds or the Portfolio would
sell securities and agree to repurchase them at a particular price at a future
date. At the time a Fund or the Portfolio enters into a reverse repurchase
agreement, it will establish and maintain a segregated account with an approved
custodian containing cash or liquid securities having a value not less than the
repurchase price, including accrued interest. Reverse repurchase agreements
involve the risk that the market value of the securities retained in lieu of
sale by a Fund or the Portfolio may decline below the price of the securities a
Fund or the Portfolio has sold but is obligated to repurchase. In the event the
buyer of securities under a reverse repurchase agreement files for bankruptcy or
becomes insolvent, such buyer or its trustee or receiver may receive an
extension of time to determine whether to enforce a Fund's or the Portfolio's
obligation to repurchase the securities, and a Fund's or the Portfolio's use of
the proceeds of the reverse repurchase agreement may effectively be restricted
pending such decision.
 
   
The Funds and the Portfolio also may enter into "dollar rolls," in which a Fund
or the Portfolio sells fixed income securities for delivery in the current month
and simultaneously contracts to repurchase substantially similar (same type,
coupon and maturity) securities on a specified future date. During the roll
period, a Fund or the Portfolio would forego principal and interest paid on such
    
 
                               Prospectus Page 18
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
securities. A Fund or the Portfolio would be compensated by the difference
between the current sales price and the forward price for the future purchase,
as well as by the interest earned on the cash proceeds of the initial sale. See
"Investment Objectives and Policies" in the Statement of Additional Information.
    
 
   
Reverse repurchase agreements and dollar rolls will be treated as borrowings and
will be deducted from a Fund's or the Portfolio's assets for purposes of
calculating compliance with the Fund's or the Portfolio's borrowing limitation.
See "Investment Limitations" in the Statement of Additional Information.
    
 
SECURITIES LENDING. The Government Income Fund, the Strategic Income Fund and
the Portfolio may lend their respective portfolio securities to broker/dealers
or to other institutional investors. Securities lending allows a Fund to retain
ownership of the securities loaned and, at the same time, enhances a Fund's
total return. At all times a loan is outstanding, each Fund and the Portfolio
requires the borrower to maintain with the Fund's or the Portfolio's custodian,
collateral consisting of cash, U.S. government securities, or certain
irrevocable letters of credit equal to at least the value of the borrowed
securities, plus any accrued interest or such other collateral as permitted by a
Fund's investment program and regulatory agencies, and as approved by the Board.
Each Fund and the Portfolio limits its loans of portfolio securities to an
aggregate of 30% of the value of its total assets, measured at the time any such
loan is made. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the loaned securities and possible loss of rights
in the collateral should the borrower fail financially.
 
   
ZERO COUPON SECURITIES. The Government Income Fund, the Strategic Income Fund
and the Portfolio may invest in certain zero coupon securities that are
"stripped" U.S. Treasury notes and bonds. They also may invest in zero coupon
and other deep discount securities issued by foreign governments and domestic
and foreign corporations, including certain Brady Bonds and other foreign debt
and in payment-in-kind securities. Zero coupon securities pay no interest to
holders prior to maturity, and payment-in-kind securities pay interest in the
form of additional securities. However, a portion of the original issue discount
on zero coupon securities and the "interest" on payment-in-kind securities will
be included in the investing Fund's or Portfolio's income. Accordingly, for a
Fund to continue to qualify for tax treatment as a regulated investment company
and to avoid a certain excise tax (see "Taxes" in the Statement of Additional
Information), it may be required to distribute an amount that is greater than
the total amount of cash it actually receives (or, in the case of the High
Income Fund, its share of the total amount of cash the Portfolio actually
receives). These distributions must be made from the Fund's (or, in the case of
the High Income Fund, its, or its share of, the Portfolio's) cash assets or, if
necessary, from the proceeds of sales of portfolio securities. The Fund or the
Portfolio will not be able to purchase additional income-producing securities
with cash used to make such distributions, and its current income ultimately may
be reduced as a result. Zero coupon and payment-in-kind securities usually trade
at a deep discount from their face or par value and will be subject to greater
fluctuations of market value in response to changing interest rates than debt
obligations of comparable maturities that make current distributions of interest
in cash.
    
 
SYNTHETIC SECURITY POSITIONS. The Government Income Fund, the Strategic Income
Fund and the Portfolio may utilize combinations of futures on bonds and forward
currency contracts to create investment positions that have substantially the
same characteristics as bonds of the same type as those on which the futures
contracts are written. Investment positions of this type are generally referred
to as "synthetic securities."
 
   
For example, in order to establish a synthetic security position for a Fund or
the Portfolio that is comparable to owning a Japanese government bond, the
Sub-adviser might purchase futures contracts on Japanese government bonds in the
desired principal amount and purchase forward currency contracts for Japanese
Yen in an amount equal to the then current purchase price for such bonds in the
Japanese cash market, with each contract having approximately the same delivery
date.
    
 
   
The Sub-adviser might roll over the futures and forward currency contract
positions before taking delivery in order to continue the Fund's or the
Portfolio's investment position, or the Sub-adviser might close out those
positions, thus effectively selling the synthetic security. Further, the amount
of each contract might be adjusted in response to market conditions and the
forward currency contract might be changed in amount or eliminated in order to
hedge against currency fluctuations.
    
 
   
The Sub-adviser would create synthetic security positions for a Fund or the
Portfolio when it believes that it can obtain a better yield or achieve cost
    
 
                               Prospectus Page 19
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
savings in comparison to purchasing actual bonds or when comparable bonds are
not readily available in the market. Synthetic security positions are subject to
the risk that changes in the value of purchased futures contracts may differ
from changes in the value of the bonds that might otherwise have been purchased
in the cash market. Also, while the Sub-adviser believes that the cost of
creating synthetic security positions generally will be materially lower than
the cost of acquiring comparable bonds in the cash market, a Fund or the
Portfolio will incur transaction costs in connection with each purchase of a
futures or forward currency contract. The use of futures contracts and forward
currency contracts to create synthetic security positions also is subject to
substantially the same risks as those that exist when these instruments are used
in connection with hedging strategies. See "Options, Futures and Forward
Currency Transactions" below and "Options, Futures and Currency Strategies" in
the Statement of Additional Information.
    
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. The Government Income Fund,
the Strategic Income Fund and the Portfolio may use forward currency contracts,
futures contracts, options on securities, options on indices, options on
currencies, and options on futures contracts to attempt to hedge against the
overall level of investment and currency risk normally associated with the
Funds' or Portfolio's investment. The Strategic Income Fund and the Portfolio
also may enter into interest rate, currency and index swaps and purchase or sell
related caps, floors and collars and other similar instruments. See "Swaps,
Caps, Floors and Collars" below. These instruments are often referred to as
"derivatives," which may be defined as financial instruments whose performance
is derived, at least in part, from the performance of another asset (such as a
security, currency or an index of securities). The Government Income Fund, the
Strategic Income Fund and the Portfolio may enter into such instruments up to
the full value of their portfolio assets. See "Risk Factors -- Options, Futures
and Forward Currency Transactions" herein and "Options, Futures and Currency
Strategies" in the Statement of Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, the Government Income Fund, the Strategic Income Fund and the
Portfolio may enter into forward currency contracts for the purchase or sale of
a specified currency at a specified future date. Such contracts may involve the
purchase or sale of a foreign currency against the U.S. dollar or may involve
two foreign currencies. The Government Income Fund, the Strategic Income Fund
and the Portfolio may enter into forward currency contracts either with respect
to specific transactions or with respect to the respective Fund's or the
Portfolio's portfolio positions. Each Fund and the Portfolio also may purchase
and sell put and call options on currencies, futures contracts on currencies and
options on such futures contracts to hedge against movements in exchange rates.
 
   
In addition, each Fund and the Portfolio may purchase and sell put and call
options on securities to hedge against the risk of fluctuations in the prices of
securities held by the Fund or the Portfolio or that the Sub-adviser intends to
include in the Fund's or the Portfolio's portfolio. The Funds and the Portfolio
also may purchase and sell put and call options on indices to hedge against
overall fluctuations in the securities markets generally or in a specific market
sector.
    
 
Further, the Funds and the Portfolio may sell index futures contracts and may
purchase put options or write call options on such futures contracts to protect
against a general market or market sector decline that could adversely affect
the Fund's or the Portfolio's portfolio. The Funds and the Portfolio also may
purchase index futures contracts and purchase call options or write put options
on such contracts to hedge against a general market or market sector advance and
thereby attempt to lessen the cost of future securities acquisitions. A Fund or
the Portfolio may use interest rate futures contracts and options thereon to
hedge its portfolio against changes in the general level of interest rates.
 
SWAPS, CAPS, FLOORS AND COLLARS. The Strategic Income Fund and the Portfolio may
enter into interest rate, currency and index swaps, and purchase or sell related
caps, floors and collars and other derivative instruments. The Fund and the
Portfolio expect to enter into these transactions primarily to preserve a return
or spread on a particular investment or portion of its portfolio, to protect
against currency fluctuations, as a technique for managing the portfolio's
duration (I.E., the price sensitivity to changes in interest rates) or to
protect against any increase in the price of securities the Fund or the
Portfolio anticipates purchasing at a later date. The Fund and the Portfolio
intend to use these transactions as hedges, and neither will sell interest rate
caps or floors if it does not own securities or other instruments providing an
income stream roughly equivalent to what the Fund or the Portfolio may be
obligated to pay.
 
                               Prospectus Page 20
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Interest rate swaps involve the exchange by the Fund or the Portfolio with
another party of their respective commitments to pay or receive interest (for
example, an exchange of floating rate payments for fixed rate payments) with
respect to a notional amount of principal. A currency swap is an agreement to
exchange cash flows on a notional amount based on changes in the values of the
reference indices.
 
The purchase of a cap entitles the purchaser to receive payments on a notional
principal amount from the party selling the cap to the extent that a specified
index exceeds a predetermined interest rate. The purchase of an interest rate
floor entitles the purchaser to receive payments on a notional principal amount
from the party selling the floor to the extent that a specified index falls
below a predetermined interest rate or amount. A collar is a combination of a
cap and a floor that preserves a certain return within a predetermined range of
interest rates or values.
 
INDEXED COMMERCIAL PAPER. The Strategic Income Fund and the Portfolio may invest
without limitation in commercial paper which is indexed to certain specific
foreign currency exchange rates. The terms of such commercial paper provide that
its principal amount is adjusted upwards or downwards (but not below zero) at
maturity to reflect changes in the exchange rate between two currencies while
the obligation is outstanding. The Strategic Income Fund and the Portfolio will
purchase such commercial paper with the currency in which it is denominated and,
at maturity, will receive interest and principal payments thereon in that
currency, but the amount of principal payable by the issuer at maturity will
change in proportion to the change (if any) in the exchange rate between the two
specified currencies between the date the instrument is issued and the date the
instrument matures. While such commercial paper entails the risk of loss of
principal, the potential for realizing gains as a result of changes in foreign
currency exchange rates enables the Fund and the Portfolio to hedge against a
decline in the U.S. dollar value of investments denominated in foreign
currencies while seeking to provide an attractive money market rate of return.
The Fund and the Portfolio will not purchase such commercial paper for
speculation.
 
OTHER INDEXED SECURITIES. The Government Income Fund, Strategic Income Fund and
the Portfolio may invest in certain other indexed securities, which are
securities whose prices are indexed to the prices of other securities,
securities indices, currencies, precious metals or other commodities, or other
financial indicators. Indexed securities typically, but not always, are debt
securities or deposits whose value at maturity or coupon rate is determined by
reference to a specific instrument or statistic. The performance of indexed
securities depends to a great extent on the performance of the security,
currency, or other instrument to which they are indexed, and may also be
influenced by interest rate changes in the United States and abroad. At the same
time, indexed securities are subject to the credit risks associated with the
issuer of the security, and their values may decline substantially if the
issuer's creditworthiness deteriorates. Indexed securities may be more volatile
than the underlying instruments. New forms of indexed securities continue to be
developed. Each Fund and Portfolio may invest in such securities to the extent
consistent with its investment objectives.
 
   
OTHER INFORMATION. Each Fund's investment objectives may not be changed without
the approval of a majority of the respective Fund's outstanding voting
securities. A "majority of the Fund's outstanding voting securities" means the
lesser of (i) 67% of the shares represented at a meeting at which more than 50%
of the outstanding shares are represented, or (ii) more than 50% of the
outstanding shares. In addition, each Fund has adopted certain investment
limitations which also may not be changed without shareholder approval. A
complete description of these limitations is included in the Statement of
Additional Information. Each Fund's other investment policies described herein
and in the Statement of Additional Information may be changed by the Company's
Board of Trustees without shareholder approval.
    
 
The approval of the High Income Fund and of other investors in the Portfolio, if
any, is not required to change the investment objectives, policies or
limitations of the Portfolio, unless otherwise specified. Written notice shall
be provided to shareholders of the High Income Fund thirty days prior to any
changes in the Portfolio's investment objectives.
 
   
The Funds are authorized to make short sales of securities, although they have
no current intention of doing so. See "Investment Objectives and Policies --
Short Sales" in the Statement of Additional Information.
    
 
   
If a percentage restriction on investment or utilization of assets in an
investment policy or restriction is adhered to at the time an investment is
made, a later change in percentage ownership of a security or kind of securities
resulting from changing market values or a similar type of event will not be
considered a violation of a Fund's or the Portfolio's investment policies or
restrictions.
    
 
                               Prospectus Page 21
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that any Fund or the Portfolio will achieve its
investment objectives. The Funds' net asset value will fluctuate, reflecting
fluctuations in the market value of its portfolio positions and its net currency
exposure. The value of fixed income securities held by the Government Income
Fund, the Strategic Income Fund and the Portfolio generally fluctuates inversely
with interest rate movements. Longer term bonds held by the Government Income
Fund, the Strategic Income Fund or the Portfolio are subject to greater interest
rate risk.
 
   
NON-DIVERSIFIED CLASSIFICATION. Each Fund and the Portfolio is classified under
the Investment Company Act of 1940 (the "1940 Act") as a "non-diversified" fund.
As a result, the Government Income Fund, the Strategic Income Fund and the
Portfolio each will be able to invest in a fewer number of issuers than if it
were classified under the 1940 Act as a "diversified" fund. To the extent that a
Fund or the Portfolio invests in a smaller number of issuers, the value of each
Fund's shares may fluctuate more widely and the Funds and the Portfolio may be
subject to greater investment and credit risk with respect to their portfolios.
    
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally are not registered with the SEC, nor
are the issuers thereof usually subject to the SEC's reporting requirements.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available with respect to U.S. securities and
issuers. Foreign companies generally are not subject to uniform accounting,
auditing and financial reporting standards, practices and requirements
comparable to those applicable to U.S. companies. In addition, certain costs
attributable to foreign investing, such as custody charges, are higher than
those attributable to domestic investing. Securities of some foreign companies
are less liquid and their prices may be more volatile than securities of
comparable domestic companies. The Government Income and Strategic Income Funds'
and the Portfolio's interest and dividends from foreign issuers may be subject
to non-U.S. withholding taxes, thereby reducing their net investment income.
 
With respect to some foreign countries, there is the increased possibility of
expropriation or confiscatory taxation, limitations on the removal of funds or
other assets of the Government Income Fund, the Strategic Income Fund and the
Portfolio, political or social instability, or diplomatic developments which
could affect the investments of the Government Income Fund, the Strategic Income
Fund and the Portfolio in those countries. Moreover, individual foreign
economies may differ favorably or unfavorably from the U.S. economy in such
respects as growth of gross national product, rate of inflation, rate of savings
and capital reinvestment, resource self-sufficiency and balance of payments
positions.
 
CURRENCY RISK. Since the Government Income Fund, the Strategic Income Fund and
the Portfolio normally invest substantially in securities denominated in
currencies other than the U.S. dollar, and because they may hold foreign
currencies, they will be affected favorably or unfavorably by exchange control
regulations or changes in the exchange rates between such currencies and the
U.S. dollar. Changes in currency exchange rates will influence the value of the
Funds' shares, and also may affect the value of dividends and interest earned by
the Funds and gains and losses realized by the Funds. Currencies generally are
evaluated on the basis of fundamental economic criteria (e.g., relative
inflation and interest rate levels and trends, growth rate forecasts, balance of
payments status and economic policies) as well as technical and political data.
The exchange rates between the U.S. dollar and other currencies are determined
by supply and demand in the currency exchange markets, the international balance
of payments, governmental intervention, speculation and other economic and
political conditions. If the currency in which a security is denominated
appreciates against the U.S. dollar, the dollar value of the security will
increase. Conversely, a decline in the exchange rate of the currency would
adversely affect the value of the security expressed in U.S. dollars.
 
In addition, many of the currencies in emerging market countries have
experienced steady devaluations relative to the U.S. dollar and major
 
                               Prospectus Page 22
<PAGE>
                             GT GLOBAL INCOME FUNDS
devaluations have historically occurred in certain countries.
 
INVESTING IN EMERGING MARKETS. Because of the special risks associated with
investing in emerging markets, an investment in the Strategic Income Fund and
the Portfolio should be considered speculative. Investors are strongly advised
to consider carefully the special risks involved in emerging markets, which are
in addition to the usual risks of investing in developed foreign markets around
the world.
 
Investing in emerging markets involves risks relating to potential political and
economic instability within such markets and the risks of expropriation,
nationalization, confiscation of assets and property or the imposition of
restrictions on foreign investment and on repatriation of capital invested. In
the event of such expropriation, nationalization or other confiscation in any
emerging market, the Strategic Income Fund or the Portfolio could lose its
entire investment in that market.
 
Many emerging market countries have experienced substantial, and in some periods
extremely high, rates of inflation for many years. Inflation and rapid
fluctuations in inflation rates have had and may continue to have negative
effects on the economies and securities markets of certain emerging market
countries.
 
Economies in emerging markets generally are dependent heavily upon international
trade and, accordingly, have been and may continue to be affected adversely by
trade barriers, exchange controls, managed adjustments in relative currency
values and other protectionist measures imposed or negotiated by the countries
with which they trade. These economies also have been and may continue to be
affected adversely by economic conditions in the countries in which they trade.
 
The securities markets of emerging countries are substantially smaller, less
developed, less liquid and more volatile than the securities markets of the
United States and other more developed countries. Disclosure and regulatory
standards in many respects are less stringent than in the United States and
other major markets. There also may be a lower level of monitoring and
regulation of emerging securities markets and the activities of investors in
such markets, and enforcement of existing regulations has been extremely
limited.
 
In addition, brokerage commissions, custodial services and other costs relating
to investment in foreign markets generally are more expensive than in the United
States, particularly with respect to emerging markets. Such markets have
different settlement and clearance procedures. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the Strategic Income Fund or the Portfolio to make intended
securities purchases due to settlement problems could cause the Strategic Income
Fund or the Portfolio to forego attractive investment opportunities. Inability
to dispose of a portfolio security caused by settlement problems could result
either in losses to the Strategic Income Fund or the Portfolio due to subsequent
declines in value of the portfolio security or, if the Strategic Income Fund or
the Portfolio has entered into a contract to sell the security, could result in
possible liability to the purchaser.
 
   
The risk also exists that an emergency situation may arise in one or more
emerging markets as a result of which trading of securities may cease or may be
substantially curtailed and prices for the Strategic Income Fund's or the
Portfolio's portfolio securities in such markets may not be readily available.
Section 22(e) of the 1940 Act permits a registered investment company to suspend
redemption of its shares for any period during which an emergency exists, as
determined by the SEC. Accordingly, when the Strategic Income Fund or the
Portfolio believes that appropriate circumstances warrant, it will promptly
apply to the SEC for a determination that an emergency exists within the meaning
of Section 22(e) of the 1940 Act. During the period commencing from the
Strategic Income Fund's or the Portfolio's identification of such conditions
until the date of SEC action, the portfolio securities of the Strategic Income
Fund or the Portfolio in the affected markets will be valued at fair value as
determined in good faith by or under the direction of the Company's or the
Portfolio's Board of Trustees.
    
 
MORTGAGE-BACKED AND ASSET-BACKED SECURITIES. The yield characteristics of
mortgage-backed and asset-backed securities differ from those of traditional
bonds. Among the major differences are that interest and principal payments are
made more frequently (usually monthly) and that principal may be prepaid at any
time because the underlying mortgage loans or other assets generally may be
prepaid at any time. Generally, prepayments on fixed-rate mortgage loans will
increase during a period of falling interest rates and decrease
 
                               Prospectus Page 23
<PAGE>
                             GT GLOBAL INCOME FUNDS
during a period of rising interest rates. Mortgage-backed and asset-backed
securities may also decrease in value as a result of increasing market interest
rates and, because of prepayments, may benefit less than other bonds from
declining interest rates. Reinvestments of prepayments may occur at lower
interest rates than the original investment, thus adversely affecting the yield
of the Government Income Fund or the Strategic Income Fund. Actual prepayment
experience may cause the yield of a mortgage-backed security to differ from what
was assumed when the Fund purchased the security. The market for privately
issued mortgage-backed and asset-backed securities is smaller and less liquid
than the market for U.S. government mortgage-backed securities.
 
   
Foreign mortgage-backed securities markets are substantially smaller than U.S.
markets, but have been established in several countries, including Germany,
Denmark, Sweden, Canada and Australia, and may be developed elsewhere. Foreign
mortgage-backed securities generally are structured similar to domestic
mortgage-backed securities, and they normally present substantially similar
investment risks as well as the other risks normally associated with foreign
securities.
    
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Strategic Income Fund and the Portfolio
may have difficulty disposing of Assignments and Participations. The liquidity
of such securities is limited and, the Fund and the Portfolio anticipate that
such securities could be sold only to a limited number of institutional
investors. The lack of a liquid secondary market could have an adverse impact on
the value of such securities and on the Fund's and the Portfolio's ability to
dispose of particular Assignments or Participations when necessary to meet the
Fund's and/or the Portfolio's liquidity needs or in response to a specific
economic event, such as a deterioration in the creditworthiness of the borrower.
The lack of a liquid secondary market for Assignments and Participations also
may make it more difficult for the Fund and/or the Portfolio to assign a value
to those securities for purposes of valuing the Fund's or the Portfolio's
portfolio and calculating its net asset value.
 
SOVEREIGN DEBT. The Strategic Income Fund and the Portfolio may invest in
sovereign debt securities of emerging market governments, including Brady Bonds.
Investments in such securities involve special risks. The issuer of the debt or
the governmental authorities that control the repayment of the debt may be
unable or unwilling to repay principal or interest when due in accordance with
the terms of such debt. Periods of economic uncertainty may result in the
volatility of market prices of sovereign debt obligations and in turn a Fund's
net asset value, to a greater extent than the volatility inherent in domestic
fixed income securities.
 
A sovereign debtor's willingness or ability to repay principal and pay interest
in a timely manner may be affected by, among other factors, its cash flow
situation, the extent of its foreign reserves, the availability of sufficient
foreign exchange on the date a payment is due, the relative size of the debt
service burden to the economy as a whole, the sovereign debtor's policy toward
principal international lenders and the political constraints to which a
sovereign debtor may be subject. Emerging market governments could default on
their sovereign debt. Such sovereign debtors also may be dependent on expected
disbursements from foreign governments, multilateral agencies and other entities
abroad to reduce principal and interest arrearages on their debt. The commitment
on the part of these governments, agencies and others to make such disbursements
may be conditioned on a sovereign debtor's implementation of economic reforms
and/or economic performance and the timely service of such debtor's obligations.
Failure to implement such reforms, achieve such levels of economic performance
or repay principal or interest when due, may result in the cancellation of such
third parties' commitments to lend funds to the sovereign debtor, which may
further impair such debtor's ability or willingness to timely service its debts.
 
   
The occurrence of political, social or diplomatic changes in one or more of the
countries issuing sovereign debt could adversely affect the Fund's or the
Portfolio's investments. Emerging markets are faced with social and political
issues and some of them have experienced high rates of inflation in recent years
and have extensive internal debt. Among other effects, high inflation and
internal debt service requirements may adversely affect the cost and
availability of future domestic sovereign borrowing to finance governmental
programs, and may have other adverse social, political and economic
consequences. Political changes or a deterioration of a country's domestic
economy or balance of trade may affect the willingness of countries to service
their sovereign debt. Although the Sub-adviser intends to manage the Strategic
Income Fund and the Portfolio in a manner that will minimize the exposure to
such risks, there can be no assurance that adverse political changes will not
    
 
                               Prospectus Page 24
<PAGE>
                             GT GLOBAL INCOME FUNDS
cause the Fund or the Portfolio to suffer a loss of interest or principal on any
of its holdings.
 
In recent years, some of the emerging market countries in which the Strategic
Income Fund and the Portfolio expect to invest have encountered difficulties in
servicing their sovereign debt obligations. Some of these countries have
withheld payments of interest and/or principal of sovereign debt. These
difficulties have also led to agreements to restructure external debt
obligations -- in particular, commercial bank loans, typically by rescheduling
principal payments, reducing interest rates and extending new credits to finance
interest payments on existing debt. In the future, holders of emerging market
sovereign debt securities may be requested to participate in similar
rescheduling of such debt. Certain emerging market countries are among the
largest debtors to commercial banks and foreign governments. Currently, Brazil,
Mexico and Argentina are the largest debtors among developing countries. At
times certain emerging market countries have declared moratoria on the payment
of principal and interest on external debt; such a moratorium is currently in
effect in certain emerging market countries. There is no bankruptcy proceeding
by which a creditor may collect in whole or in part sovereign debt on which an
emerging market government has defaulted.
 
The ability of emerging market governments to make timely payments on their
sovereign debt securities is likely to be influenced strongly by a country's
balance of trade and its access to trade and other international credits. A
country whose exports are concentrated in a few commodities could be vulnerable
to a decline in the international prices of one or more of such commodities.
Increased protectionism on the part of a country's trading partners could also
adversely affect its exports. Such events could diminish a country's trade
account surplus, if any. To the extent that a country receives payment for its
exports in currencies other than hard currencies, its ability to make hard
currency payments could be affected.
 
Investors should also be aware that certain sovereign debt instruments in which
the Strategic Income Fund and the Portfolio may invest involve great risk. As
noted above, sovereign debt obligations issued by emerging market governments
generally are deemed to be the equivalent in terms of quality to securities
rated below investment grade by Moody's and S&P. Such securities are regarded as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligations and involve
major risk exposure to adverse conditions. Some of such securities, with respect
to which the issuer currently may not be paying interest or may be in payment
default, may be comparable to securities rated D by S&P or C by Moody's. The
Strategic Income Fund and the Portfolio may have difficulty disposing of and
valuing certain sovereign debt obligations because there may be a limited
trading market for such securities. Because there is no liquid secondary market
for many of these securities, the Strategic Income Fund and the Portfolio
anticipate that such securities could be sold only to a limited number of
dealers or institutional investors.
 
LOWER QUALITY DEBT SECURITIES. Under normal market conditions the Strategic
Income Fund may invest up to 50% of its total assets in debt securities rated
below investment grade, and up to 100% of the Portfolio's total assets will be
so invested. Such investments involve a high degree of risk.
 
Debt rated Baa by Moody's is considered by Moody's to have speculative
characteristics. Debt rated BB, B, CCC, CC or C by S&P and debt rated Ba, B,
Caa, Ca or C by Moody's is regarded, on balance, as predominantly speculative
with respect to the issuer's capacity to pay interest and repay principal in
accordance with the terms of the obligation. While such lower quality debt will
likely have some quality and protective characteristics, these are outweighed by
large uncertainties or major risk exposures to adverse conditions. Debt rated C
by Moody's or S&P is the lowest quality debt that is not in default as to
principal or interest and such issues so rated can be regarded as having
extremely poor prospects of ever attaining any real investment standing. Lower
quality debt securities are also generally considered to be subject to greater
risk than higher quality securities with regard to a deterioration of general
economic conditions. These securities are the equivalent of high yield, high
risk bonds, commonly known as "junk bonds." As noted above, the Strategic Income
Fund and the Portfolio may invest in debt securities rated below C, which are in
default as to principal and/ or interest.
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit quality in response to subsequent events, so that an issuer's
 
                               Prospectus Page 25
<PAGE>
                             GT GLOBAL INCOME FUNDS
current financial condition may be better or worse than a rating indicates. See
"Appendix A" for a discussion of Moody's and S&P's ratings.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. Issuers of lower quality securities are often highly
leveraged and may not have available to them more traditional methods of
financing. For example, during an economic downturn or a sustained period of
rising interest rates, highly leveraged issuers of lower quality securities may
experience financial stress. During such periods, such issuers may not have
sufficient revenues to meet their interest payment obligations. The issuer's
ability to service its debt obligations may also be adversely affected by
specific developments affecting the issuer, such as the issuer's inability to
meet specific projected business forecasts or the unavailability of additional
financing. The risk of loss due to default by the issuer is significantly
greater for the holders of lower quality securities because such securities are
generally unsecured and may be subordinated to the claims of other creditors of
the issuer.
 
Lower quality debt securities of corporate issuers frequently have call or
buy-back features which would permit an issuer to call or repurchase the
security from the Strategic Income Fund or the Portfolio. If an issuer exercises
these provisions in a declining interest rate market, the Strategic Income Fund
or the Portfolio may have to replace the security with a lower yielding
security, resulting in a decreased return for investors. In addition, the
Strategic Income Fund and the Portfolio may have difficulty disposing of lower
quality securities because there may be a thin trading market for such
securities. There may be no established retail secondary market for many of
these securities, and the Strategic Income Fund and the Portfolio anticipate
that such securities could be sold only to a limited number of dealers or
institutional investors. The lack of a liquid secondary market also may have an
adverse impact on market prices of such instruments and may make it more
difficult for the Strategic Income Fund and the Portfolio to obtain accurate
market quotations for purposes of valuing the securities in the portfolios of
the Strategic Income Fund and the Portfolio. Adverse publicity and investor
perceptions, whether or not based on fundamental analysis, may also decrease the
values and liquidity of lower quality securities, especially in a thinly traded
market. The Strategic Income Fund and the Portfolio also may acquire lower
quality debt securities during an initial underwriting or may acquire lower
quality debt securities which are sold without registration under applicable
securities laws. Such securities involve special considerations and risks.
 
Factors having an adverse effect on the market value of lower rated securities
or their equivalents purchased by the Strategic Income Fund and the Portfolio
will adversely impact net asset value of the Strategic Income Fund and the High
Income Fund. See "Risk Factors" in the Statement of Additional Information. In
addition to the foregoing, such factors may include: (i) potential adverse
publicity; (ii) heightened sensitivity to general economic or political
conditions; and (iii) the likely adverse impact of a major economic recession.
The Strategic Income Fund and the Portfolio each also may incur additional
expenses to the extent it is required to seek recovery upon a default in the
payment of principal or interest on its portfolio holdings, and the Fund and the
Portfolio may have limited legal recourse in the event of a default. Debt
securities issued by governments in emerging markets can differ from debt
obligations issued by private entities in that remedies from defaults generally
must be pursued in the courts of the defaulting government, and legal recourse
is therefore somewhat diminished. Political conditions, in terms of a
government's willingness to meet the terms of its debt obligations, also are of
considerable significance. There can be no assurance that the holders of
commercial bank debt may not contest payments to the holders of debt securities
issued by governments in emerging markets in the event of default by the
governments under commercial bank loan agreements.
 
As of October 31, 1997, the Strategic Income Fund and the Portfolio had 89.27%
and 86.59%, respectively, of their total net assets in debt securities that
received a rating from Moody's and 4.00% and 10.29%, respectively, of their
total net assets in debt securities that were not so rated. In addition, the
Strategic Income Fund and the Portfolio had 6.73% and 3.12%, respectively, of
their total net assets in cash and net receivables. The Strategic Income Fund
had the following percentages of its total net assets invested in rated
securities: Aaa -- 41.23%, Aa -- 12.68%, A -- 1.31%, Baa -- 3.75%, Ba -- 24.30%,
B -- 6.00%, Caa -- 0.00%, Ca --
 
                               Prospectus Page 26
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
0.00%, C -- 0.00%. Included under the unrated category are securities held by
the Strategic Income Fund which, while unrated, have been determined by the
Sub-adviser to be of comparable quality to securities in the following rating
categories: Ba -- 1.03%; and B -- 2.97%. The Portfolio had the following
percentages of its total net assets invested in rated securities: Aaa -- 7.99%,
Aa -- 0.00%, A -- 0.00%, Baa -- 13.11%, Ba -- 48.56%, B -- 16.93%, Caa -- 0.00%,
Ca -- 0.00%, C -- 0.00%. Included under the unrated category are securities held
by the Portfolio's total net assets which have been determined by the Sub-
adviser to be of comparable quality to securities in the following rating
categories: Ba -- 3.22%; and B -- 7.07%. It should be noted that the allocation
of the investments of the Strategic Income Fund and the Portfolio by rating on
any given date will vary and should not be considered representative of the
future portfolio composition of the Strategic Income Fund or the Portfolio.
    
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Although each Fund and the
Portfolio is authorized to enter into options, futures and forward currency
transactions, the Funds and the Portfolio might not enter into any such
transactions. In addition, issuers in emerging markets typically are subject to
a greater degree of change in earnings and business prospects than issuers in
developed countries. Options, futures and foreign currency transactions involve
certain risks, which include: (1) dependence on the Sub-adviser's ability to
predict movements in the prices of individual securities, fluctuations in the
general securities markets or in the appropriate market sector and movements in
interest rates and currency markets; (2) imperfect correlation, or even no
correlation, between movements in the price of options, forward contracts,
futures contracts or options thereon and movements in the price of the currency
or security hedged or used for cover; (3) the fact that skills and techniques
needed to trade options, futures contracts and options thereon or to use forward
currency contracts are different from those needed to select the securities in
which a Fund or Portfolio invests; (4) lack of assurance that a liquid secondary
market will exist for any particular option, futures contract or option thereon
at any particular time; (5) the possible loss of principal under certain
conditions; and (6) the possible inability of a Fund or Portfolio to purchase or
sell a portfolio security at a time when it would otherwise be favorable for it
to do so, or the possible need for a Fund or Portfolio to sell a security at a
disadvantageous time, due to the need for the Fund or Portfolio to maintain
"cover" or to set aside securities in connection with hedging transactions.
    
 
   
ILLIQUID SECURITIES. The Government Income Fund, the Strategic Income Fund and
the Portfolio may invest up to 15% of their net assets, in securities for which
no readily available market exists, so-called "illiquid securities." Illiquid
securities may be more difficult to value than liquid securities and the sale of
illiquid securities generally will require more time and result in higher
brokerage charges or dealer discounts and other selling expenses than the sale
of liquid securities. Moreover, illiquid securities often sell at a price lower
than similar securities that are liquid.
    
 
                               Prospectus Page 27
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Shares of a Fund may be purchased through Financial Institutions, some
of which may charge the investor a transaction fee. That fee will be in addition
to the sales charge payable by the investor, with respect to Class A shares.
Some of these Financial Institutions (or their designees) may be authorized to
accept purchase orders on behalf of the Fund. All purchase orders will be
executed at the public offering price next determined after the purchase order
is received, which includes any applicable sales charge for Class A shares.
Orders received by the Transfer Agent before the close of regular trading on the
New York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern Time, unless
weather, equipment failure or other factors contribute to an earlier closing
time) on any Business Day will be executed at the public offering price for the
applicable class of shares determined that day. Orders received by authorized
institutions (or their designees) before the close of regular trading on the
NYSE on a Business Day will be deemed to have been received by a Fund on such
day and will be effected that day, provided that such orders are transmitted to
the Transfer Agent prior to the time set for receipt of such orders. A "Business
Day" is any day Monday through Friday on which the NYSE is open for business.
Financial Institutions are responsible for forwarding the investor's order to
the Transfer Agent so that it will be received prior to the required time.
    
 
   
The minimum initial investment is $500 ($100 for IRAs and $25 for custodial
accounts under Section 403(b)(7) of the Internal Revenue Code of 1986, as
amended (the "Code"), and other tax-qualified employer-sponsored retirement
accounts, if made under a systematic investment plan providing for monthly or
quarterly payments of at least that amount). The minimum for additional
purchases is $100 ($25 for IRAs, Code Section 403(b)(7) custodial accounts and
other tax-qualified employer-sponsored retirement accounts, as mentioned above).
THE FUNDS AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER.
In particular, the Funds and AIM Distributors may reject purchase orders or
exchanges by investors who appear to follow, in the Sub-adviser's judgment, a
market-timing strategy or otherwise engage in excessive trading. See "How to
Make Exchanges -- Limitations on Purchase Orders and Exchanges."
    
 
   
WHEN PLACING PURCHASE ORDERS, INVESTORS SHOULD SPECIFY WHETHER THE ORDER IS FOR
CLASS A OR CLASS B SHARES OF A FUND. ALL PURCHASE ORDERS THAT FAIL TO SPECIFY A
CLASS WILL AUTOMATICALLY BE INVESTED IN CLASS A SHARES. AIM DISTRIBUTORS WILL
REJECT ANY ORDER FOR PURCHASE OF MORE THAN $250,000 FOR CLASS B SHARES.
    
 
   
PURCHASES THROUGH THE TRANSFER AGENT. After an initial investment is made and a
shareholder account is established through a Financial Institution, at the
investor's option, subsequent purchases may be made directly through the
Transfer Agent. See "Shareholder Account Manual." Investors may also make an
initial investment in a fund and establish a shareholder account directly
through the Transfer Agent by completing and signing an Account Application
accompanying this Prospectus. Investors should mail to the Transfer Agent the
completed Application together with a check to cover the purchase in accordance
with the instructions provided in the Shareholder Account Manual. Purchases will
be executed at the public offering price next determined after the Transfer
Agent has received the Account Application and check. Subsequent investments do
not need to be accompanied by an application.
    
 
   
Investors also may purchase shares of the Funds by bank wire. Bank wire
purchases will be effected at the next determined public offering price after
the bank wire is received. A wire investment is considered received when the
Transfer Agent is notified that the bank wire has been credited to the Funds.
The investor is responsible for providing prior telephonic or facsimile notice
to the Transfer Agent that a bank wire is being sent. An investor's bank may
charge a service fee for wiring money to the Funds. The Transfer Agent currently
does not charge a service fee for facilitating wire purchases, but reserves the
right to do so in the future. Investors desiring to open an account by bank wire
should call the Transfer Agent at the appropriate toll free number provided in
the Shareholder Account Manual to obtain an account number and detailed
instructions.
    
 
                               Prospectus Page 28
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
CERTIFICATES. Physical certificates representing a Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of a
Fund are recorded on a register by the Transfer Agent, and shareholders who do
not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
of properly executed certificates is required. ACCORDINGLY, THE FUNDS RECOMMEND
THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
    
 
DIFFERENCES BETWEEN THE CLASSES. The primary difference between the classes of
each Fund's shares offered through this Prospectus lies in their sales charge
structures and ongoing expenses, as summarized below. Class A and Class B shares
of a Fund represent interests in the same Fund and have the same rights, except
that each class bears the separate expenses of its 12b-1 distribution plan and
has exclusive voting rights with respect to such plan, each class can experience
other minor expense differences and, in addition to different sales charges,
each class has a separate exchange privilege.
 
   
The decision as to which class of shares is more beneficial to an investor
depends on the amount invested, the intended length of time the investment is
held and the investor's personal situation. Large investments may qualify for a
reduced Class A sales charge. Investors in Class B shares have 100% of the
purchase invested immediately. Consult your financial adviser. Financial
Institutions may receive different levels of compensation for selling a
particular class of shares.
    
 
   
[ADVISOR CLASS SHARES. Advisor Class shares are offered through a separate
prospectus to [(a) trustees or other fiduciaries purchasing shares for employee
benefit plans that are sponsored by organizations that have at least 1,000
employees; (b) any account with assets of at least $10,000 if (i) a financial
planner, trust company, bank trust department or registered investment adviser
has investment discretion over the account and (ii) the account holder pays such
person as compensation for its advice and other services an annual fee of at
least .50% of the assets in the account; (c) any account with assets of at least
$10,000 if (i) the account is established under a "wrap fee" program and (ii)
the account holder pays the sponsor of the program an annual fee of at least
 .50% of the assets in the account; (d) accounts advised by one of the companies
composing or affiliated with AMVESCAP PLC; and (e) any of those companies.]
    
 
                           PURCHASING CLASS A SHARES
 
   
Each Fund's public offering price for Class A shares is the next determined net
asset value per share (see "Calculation of Net Asset Value") plus a sales charge
determined in accordance with the following schedule:
    
 
   
<TABLE>
<CAPTION>
                                                          DEALER
                        INVESTOR'S SALES CHARGE         CONCESSION
                    --------------------------------  ---------------
                         AS A             AS A             AS A
                      PERCENTAGE       PERCENTAGE       PERCENTAGE
AMOUNT OF               OF THE           OF THE           OF THE
INVESTMENT              PUBLIC             NET            PUBLIC
IN SINGLE              OFFERING          AMOUNT          OFFERING
TRANSACTION              PRICE          INVESTED           PRICE
- ------------------  ---------------  ---------------  ---------------
<S>                 <C>              <C>              <C>
Less than
  $50,000.........           4.75%            4.99%           4.00%
$50,000 but less
  than $100,000...           4.00             4.17            3.25
$100,000 but less
  than $250,000...           3.75             3.90            3.00
$250,000 but less
  than $500,000...           2.50             2.56            2.00
$500,000 but less
  than
  $1,000,000......           2.00             2.04            1.60
</TABLE>
    
 
   
PURCHASES OF $1,000,000 OR MORE ARE AT NET ASSET VALUE, SUBJECT TO A CONTINGENT
DEFERRED SALES CHARGE OF 1% IF SHARES ARE REDEEMED PRIOR TO 18 MONTHS FROM THE
DATE SUCH SHARES WERE PURCHASED. AIM Distributors may pay a dealer concession
and/or advance a service fee on such transactions. Shares purchased prior to
June 1, 1998 without a sales charge based on the aggregate purchase amount equal
to at least $500,000 are subject to a contingent deferred sales charge for the
first year after their purchase equal to 1% of the lower of the original
purchase price or the net asset value of such shares at the time of redemption.
    
 
   
Reductions in the initial sales charges shown in the sales charge tables
(quantity discounts) apply to purchases of Class A shares of the GT Global
Mutual Funds that are otherwise subject to an initial sales charge, provided
that such purchases are made by a "purchaser" as hereinafter defined. Purchases
of Class B shares of the GT Global Mutual Funds and The AIM Family of Funds will
not be taken into account in determining whether a purchase qualifies for a
reduction in initial sales charges.
    
 
                               Prospectus Page 29
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
The term "purchaser" means:
    
 
   
/ / an individual and his or her spouse and children, including any trust
    established exclusively for the benefit of any such person; or a pension,
    profit-sharing, or other benefit plan established exclusively for the
    benefit of any such person, such as an IRA, Roth IRA, a single-participant
    money- purchase/profit-sharing plan or an individual participant in a 403(b)
    Plan (unless such 403(b) plan qualifies as the purchaser as defined below);
    
 
   
/ / a 403(b) plan, the employer/sponsor of which is an organization described
    under Section 501(c)(3) of the Code, provided that:
    
 
   
  a. the employer/sponsor must submit contributions for all participating
     employees in a single contribution transmittal (i.e., the funds will not
     accept contributions submitted with respect to individual participants);
    
 
   
  b. each transmittal must be accompanied by a single check or wire transfer;
     and
    
 
   
  c. all new participants must be added to the 403(b) plan by submitting an
     application on behalf of each new participant with the contribution
     transmittal;
    
 
   
/ / a trustee or fiduciary purchasing for a single trust, estate or single
    fiduciary account (including a pension, profit-sharing or other employee
    benefit trust created pursuant to a plan qualified under Section 401 of the
    Code) and 457 plans, although more than one beneficiary or participant is
    involved;
    
 
   
/ / a Simplified Employee Pension ("SEP"), Salary Reduction and other Elective
    Simplified Employee Pension account ("SARSEP"), a Savings Incentive Match
    Plans for Employees IRA ("SIMPLE IRA") where the employer has notified AIM
    Distributors in writing that all of its related employee SEP, SARSEP or
    SIMPLE IRA accounts should be linked;
    
 
   
/ / any other organized group of persons, whether incorporated or not, provided
    the organization has been in existence for at least six months and has some
    purpose other than the purchase at a discount of redeemable securities of a
    registered investment company; or
    
 
   
/ / the discretionary advised accounts of AIM or A I M Capital Management, Inc.
    ("AIM Capital").
    
 
   
SALES CHARGE WAIVERS -- CLASS A SHARES. The following persons may purchase Class
A shares of the Funds through AIM Distributors without payment of an initial
sales charge: (a) AIM Management Group Inc. ("AIM Management") and its
affiliated companies; (b) any current or retired officer, director, trustee or
employee, or any member of the immediate family (including spouse, children,
parents and parents of spouse) of any such person, of AIM Management or its
affiliates or of certain mutual funds which are advised or managed by AIM; or
any trust established exclusively for the benefit of such persons; (c) any
employee benefit plan established for employees of AIM Management or its
affiliates; (d) any current or retired officer, director, trustee or employee,
or any member of the immediate family (including spouse, children, parents and
parents of spouse) of any such person, or of CIGNA Corporation or of any of its
affiliated companies, or of First Data Investor Services Group (formerly The
Shareholders Services Group, Inc.); (e) any investment company sponsored by
CIGNA Investments, Inc. or any of its affiliated companies for the benefit of
its directors' deferred compensation plans; (f) discretionary advised clients of
AIM or AIM Capital; (g) registered representatives and employees of dealers who
have entered into agreements with AIM Distributors (or financial institutions
that have arrangements with such dealers with respect to the sale of shares of
the GT Global Mutual Funds or funds of The AIM Family of Funds) and any member
of the immediate family (including spouse, children, parents and parents of
spouse) of any such person, provided that purchases at net asset value are
permitted by the policies of such person's employer; (h) certain broker-dealers,
investment advisers or bank trust departments that provide asset allocation,
similar specialized investment services or investment company transaction
services for their customers, that charge a minimum annual fee for such
services, and that have entered into an agreement with AIM Distributors with
respect to their use of the GT Global Mutual Funds or funds of The AIM Family of
Funds in connection with such services; (i) employees of Triformis Inc.; (j)
shareholders of any of the GT Global Mutual Funds as of April 30, 1987 who since
that date continually have owned shares of one or more of the GT Global Funds;
and (k) certain former AMA Investment Advisers' shareholders who became
shareholders of the GT Global Health Care Fund in October 1989, and who have
continuously held shares in the GT Global Mutual Funds since that time.
    
 
   
In addition, shares of any GT Global Mutual Fund may be purchased at net asset
value, without
    
 
                               Prospectus Page 30
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
payment of a sales charge, by pension, profit-sharing or other employee benefit
plans created pursuant to a plan qualified under Section 401 of the Code or
plans under Section 457 of the Code, or employee benefit plans created pursuant
to Section 403(b) of the Code and sponsored by nonprofit organizations defined
under Section 501(c)(3) of the Code. Such plans will qualify for purchases at
net asset value provided that (1) the total amount invested in the plan is at
least $1,000,000, (2) the sponsor signs a $1,000,000 Letter of Intent, (3) such
shares are purchased by an employer-sponsored plan with at least 100 eligible
employees, or (4) all of the plan's transactions are executed through a single
financial institution or service organization who has entered into an agreement
with AIM Distributors with respect to their use of the GT Global Mutual Funds in
connection with such accounts. Section 403(b) plans sponsored by public
educational institutions will not be eligible for net asset value purchases
based on the aggregate investment made by the plan or the number of eligible
employees. Participants in such plans will be eligible for reduced sales charges
based solely on the aggregate value of their individual investments in the
applicable GT Global Mutual Fund. AIM Distributors may pay investment dealers or
other financial service firms for share purchases of the GT Global Mutual Funds
sold at net asset value to an employee benefit plan in accordance with this
paragraph as follows: 1% of the first $2 million of such purchases, plus 0.80%
of the next $1 million of such purchases, plus 0.50% of the next $17 million of
such purchases, and plus 0.25% of amounts in excess of $20 million of such
purchases.
    
 
   
FOR ANY FUND NAMED ON THE COVER PAGE OF THIS PROSPECTUS, AIM DISTRIBUTORS AND
ITS AGENTS RESERVE THE RIGHT AT ANY TIME (1) TO WITHDRAW ALL OR ANY PART OF THE
OFFERING MADE BY THIS PROSPECTUS; (2) TO REJECT ANY PURCHASE OR EXCHANGE ORDER
OR TO CANCEL ANY PURCHASE DUE TO NONPAYMENT OF THE PURCHASE PRICE; (3) TO
INCREASE, WAIVE OR LOWER THE MINIMUM INVESTMENT REQUIREMENTS; OR (4) TO MODIFY
ANY OF THE TERMS OR CONDITIONS OF PURCHASE OF SHARES OF SUCH FUND. For any Fund
named on the cover page, AIM Distributors and its agents will use their best
efforts to provide notice of any such actions through correspondence with
broker-dealers and existing shareholders, supplements to the GT Global Mutual
Funds' prospectuses, or other appropriate means, and will provide sixty (60)
days' notice in the case of termination or material modification to the exchange
privilege discussed under the caption "How to Make Exchanges."
    
 
REINSTATEMENT PRIVILEGE. Shareholders who redeem their Class A shares in a Fund
have a one-time privilege of reinstating their investment by investing the
proceeds of the redemption at net asset value without a sales charge in Class A
shares of the Fund and/or one or more of the other GT Global Mutual Funds. The
Transfer Agent must receive from the investor or the investor's broker within
180 days after the date of the redemption both a written request for
reinvestment and a check not exceeding the amount of the redemption proceeds.
The reinstatement purchase will be effected at the net asset value per share
next determined after such receipt. Gain on the redemption is taxable
notwithstanding exercise of the reinvestment privilege (although loss thereon
might not be deductible as a result of such exercise). See "Dividends, Other
Distributions and Federal Income Taxation"
 
   
REDUCED SALES CHARGE PLANS. Class A shares may be purchased at reduced sales
charges either through the Right of Accumulation or under a Letter of Intent.
Investors should contact their Financial Institution or the Transfer Agent for
more information.
    
 
   
RIGHT OF ACCUMULATION. Pursuant to the Right of Accumulation, investors are
permitted to purchase shares of the Funds at the sales charge applicable to the
total of (a) the dollar amount then being purchased plus (b) the dollar amount
of the investor's concurrent purchases of the other GT Global Mutual Funds
(other than GT Global Dollar Fund) and funds of The AIM Family of Funds plus (c)
the price of all shares of GT Global Mutual Funds (other than shares of GT
Global Dollar Fund not acquired by exchange) and funds of The AIM Family of
Funds already held by the investor. To receive the Right of Accumulation, at the
time of purchase investors must give their Financial Institution, the Transfer
Agent or AIM Distributors sufficient information to permit confirmation of
qualification. THE FOREGOING RIGHT OF ACCUMULATION APPLIES ONLY TO CLASS A
SHARES OF THE FUNDS AND OTHER GT GLOBAL MUTUAL FUND (OTHER THAN GT GLOBAL DOLLAR
FUND).
    
 
LETTER OF INTENT. In executing a Letter of Intent ("LOI") an investor indicates
an aggregate investment amount he or she intends to invest in the Class A shares
of the Funds and the Class A shares
 
                               Prospectus Page 31
<PAGE>
                             GT GLOBAL INCOME FUNDS
of other GT Global Mutual Funds (other than shares of GT Global Dollar Fund) in
the following thirteen months. The LOI is included as part of the Account
Application located at the end of this Prospectus. The sales charge applicable
to that aggregate amount then becomes the applicable sales charge on all
purchases made concurrently with the execution of the LOI and in the thirteen
months following that execution. If an investor executes an LOI within 90 days
of a prior purchase of GT Global Mutual Fund Class A shares (other than shares
of GT Global Dollar Fund), the prior purchase may be included under the LOI and
an appropriate adjustment, if any, with respect to the sales charges paid by the
investor in connection with the prior purchase will be made, based on the
then-current net asset value(s) of the pertinent Fund(s).
 
If at the end of the thirteen month period covered by the LOI the total amount
of purchases does not equal the amount indicated, the investor will be required
to pay the difference between the sales charges paid at the reduced rate and the
sales charges applicable to the purchases actually made. Shares having a value
equal to 5% of the amount specified in the LOI will be held in escrow during the
thirteen month period (while remaining registered in the investor's name) and
are subject to redemption to assure any necessary payment to GT Global of a
higher applicable sales charge.
 
For purposes of an LOI, any registered investment adviser, trust company or bank
trust department which exercises investment discretion and which intends within
thirteen months to invest $500,000 or more, can be treated as a single
purchaser, provided further that such entity places all purchase and redemption
orders. Such entities should be prepared to establish their qualification for
such treatment. THE FOREGOING LOI WILL APPLY ONLY TO CLASS A SHARES OF THE FUNDS
AND SHARES OF ANY GT GLOBAL MUTUAL FUND THAT OFFERS A SINGLE CLASS OF SHARES
(OTHER THAN GT GLOBAL DOLLAR FUND).
 
   
CONTINGENT DEFERRED SALES CHARGE. A CONTINGENT DEFERRED SALES CHARGE OF 1%
APPLIES TO PURCHASES OF CLASS A SHARES OF $1,000,000 OR MORE THAT ARE REDEEMED
WITHIN 18 MONTHS OF THE DATE OF PURCHASE. This charge will be 1% of the lesser
of the value of the shares redeemed (excluding reinvested dividends and capital
gain distributions) or the total original cost of such shares. In determining
whether a contingent deferred sales charge is payable, and the amount of any
such charge, shares not subject to the contingent deferred sales charge are
redeemed first (including shares purchased by reinvested dividends and capital
gains distributions and amounts representing increases from capital
appreciation), and then other shares are redeemed in the order of purchase. No
such charge will be imposed upon exchanges unless the shares acquired by
exchange are redeemed within 18 months of the date the shares were originally
purchased. For purposes of computing this 18 MONTH PERIOD, shares of any GT
Global Mutual Fund which were acquired through an exchange of shares which
previously were subject to the 1% contingent deferred sales charge will be
credited with the period of time such exchanged shares were held. The charge
will be waived in the following circumstances: (l) redemptions of shares by
employee benefit plans ("Plans") qualified under Sections 401 or 457 of the
Code, or Plans created under Section 403(b) of the Code and sponsored by
nonprofit organizations as defined under Section 501(c)(3) of the Code, where
shares are being redeemed in connection with employee terminations or
withdrawals, and (a) the total amount invested in a Plan is at least $1,000,000,
(b) the sponsor of a Plan signs a letter of intent to invest at least $1,000,000
in one or more of the GT Global Mutual Funds and AIM Funds, or (c) the shares
being redeemed were purchased by an employer-sponsored Plan with at least 100
eligible employees; provided, however, that Plans created under Section 403(b)
of the Code which are sponsored by public educational institutions shall qualify
under (a), (b) or (c) above on the basis of the value of each Plan participant's
aggregate investment in the GT Global Mutual Funds and AIM Funds, and not on the
aggregate investment made by the Plan or on the number of eligible employees;
(2) redemptions of shares following the death or post-purchase disability, as
defined in Section 72(m)(7) of the Code, of a shareholder or a settlor of a
living trust; (3) redemptions of shares purchased at net asset value by private
foundations or endowment funds where the initial amount invested was at least
$1,000,000; (4) redemptions of shares purchased by an investor in amounts of
$1,000,000 or more where such investor's dealer of record, due to the nature of
the investor's account, notifies AIM Distributors prior to the time of
investment that the dealer waives the payments otherwise payable to the dealer
by AIM Distributors; and (5) pursuant to a Systematic Withdrawal Plan, provided
that amounts withdrawn under such plan do not exceed on an annual basis 12% of
the
    
 
                               Prospectus Page 32
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
value of the shareholder's investment in Class A shares at the time the
shareholder elects to participate in the Systematic Withdrawal Plan.
Shareholders who purchased $500,000 or more of Class A shares prior to June 1,
1998 are entitled to certain waivers of the contingent deferred sales charge on
those shares as described in the Statement of Additional Information under
"Information Relating to Sales and Redemptions--Sales Charge Waivers for Shares
Purchased Prior to June 1, 1998".
    
 
                           PURCHASING CLASS B SHARES
 
   
Each Fund's public offering price for Class B shares is the next determined net
asset value per share. See "Calculation of Net Asset Value." No initial sales
charge is imposed. A contingent deferred sales charge, however, is imposed on
certain redemptions of Class B shares. Because Class B shares are sold without
an initial sales charge, the Fund receives the full amount of the investor's
purchase payment. Class B shares may not be purchased for a Savings Incentive
Match Plan for Employees IRA ("SIMPLE IRA") for which a designated financial
institution was selected by the employer on Form 5305-SIMPLE. However, Class B
shares may be purchased for SIMPLE IRAs using Form 5304-SIMPLE. In addition,
Class A shares may be purchased for all SIMPLE IRAs.
    
 
   
Class B shares may be redeemed on any business day at the net asset value per
share next determined following receipt of the redemption order, less the
applicable contingent deferred sales charge shown in the table below. No
deferred sales charge will be imposed (i) on redemptions of Class B shares
following six years from the date such shares were purchased, (ii) on Class B
shares acquired through reinvestments of dividends and distributions
attributable to Class B shares or (iii) on amounts that represent capital
appreciation in the shareholder's account above the purchase price of the Class
B shares.
    
 
   
<TABLE>
<CAPTION>
                              CONTINGENT DEFERRED SALES
                                CHARGE AS % OF DOLLAR
YEARS SINCE PURCHASE MADE     AMOUNT SUBJECT TO CHARGE
- ---------------------------  ---------------------------
<S>                          <C>
First......................              5%
Second.....................              4%
Third......................              3%
Fourth.....................              3%
Fifth......................              2%
Sixth......................              1%
Seventh and Following......             None
</TABLE>
    
 
   
In determining whether a contingent deferred sales charge is applicable, it will
be assumed that a redemption is made first, of any shares held in the
shareholder's account that are not subject to such charge; second, of shares
derived from reinvestment of dividends and distributions; third, of shares held
for more than six years from the date such shares were purchased; and fourth, of
shares held less than six years from the date such shares were purchased. The
applicable sales charge will be applied against the lesser of the current market
value of shares redeemed or their original cost.
    
 
For example, assume an investor purchased 100 shares at $10 per share for a cost
of $1,000. Subsequently, the shareholder acquired 15 additional shares through
dividend reinvestment. During the second year after the purchase, the investor
decided to redeem $500 of his or her investment. Assuming at the time of the
redemption a net asset value of $11 per share, the value of the investor's
shares would be $1,265 (115 shares at $11 per share). The contingent deferred
sales charge would not be applied to the value of the reinvested dividend
shares. Therefore, the 15 shares currently valued at $165 would be redeemed
without a contingent deferred sales charge. The number of shares needed to fund
the remaining $335 of the redemption would equal 30.455. Using the lower of cost
or market price to determine the contingent deferred sales charge the original
purchase price of $10 per share would be used. The contingent deferred sales
charge calculation would therefore be 30.455 shares times $10 per share at a
contingent deferred sales charge rate of 4% (the applicable rate in the second
year after purchase) for a total contingent deferred sales charge of $12.18.
 
Class B shares that are acquired pursuant to the exchange privilege during a
tender offer by GT Global Floating Rate Fund, Inc. ("Floating Rate Fund") will
be subject, in lieu of the contingent deferred sales charge described above, to
a contingent deferred sales charge equivalent to the early withdrawal charge on
the common stock of the Floating Rate Fund. The purchase of Class B shares of
the Fund will be deemed to have occurred at the time of the initial purchase of
the Floating Rate Fund's common stock.
 
   
For federal income tax purposes, the amount of the contingent deferred sales
charge will reduce the gain or increase the loss, as the case may be, realized
on a redemption. The amount of any contingent deferred sales charge will be
payable to AIM Distributors.
    
 
   
CONTINGENT DEFERRED SALES CHARGE WAIVERS. Contingent deferred sales charges on
Class B shares
    
 
                               Prospectus Page 33
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
will be waived on redemptions (1) following the death or post-purchase
disability, as defined in Section 72(m)(7) of the Code, of a shareholder or a
settlor of a living trust (provided AIM Distributors is notified of such death
or post-purchase disability at the time of the redemption request and is
provided with satisfactory evidence of such death or post-purchase disability),
(2) in connection with certain distributions from individual retirement
accounts, custodial accounts maintained pursuant to Code Section 403(b),
deferred compensation plans qualified under Code Section 457 and plans qualified
under Code Section 401 (collectively, "Retirement Plans'), (3) pursuant to a
Systematic Withdrawal Plan, provided that amounts withdrawn under such plan do
not exceed on an annual basis 12% of the value of the shareholder's investment
in Class B shares at the time the shareholder elects to participate in the
Systematic Withdrawal Plan, (4) effected pursuant to the right of a GT Global
Mutual Fund to liquidate a shareholder's account if the aggregate net asset
value of shares held in the account is less than the designated minimum account
size described in this Prospectus of such GT Global Mutual Fund, and (5)
effected by AIM of its investment in Class B shares.
    
 
   
Waiver category (1) above applies only to redemptions of Class B shares held at
the time of death or initial determination of post-purchase disability. Waiver
category (2) above applies only to redemptions resulting from:
    
 
   
(i)  required minimum distributions to plan participants or beneficiaries who
    are age 70 1/2 or older, and only with respect to that portion of such
    distributions which does not exceed 12% annually of the participant's or
    beneficiary's account value in a particular GT Global Mutual Fund;
    
 
   
(ii) in-kind transfers of assets where the participant or beneficiary notifies
    AIM Distributors of such transfer no later than the time such transfer
    occurs;
    
 
   
(iii) tax-free rollovers or transfers of assets to another Retirement Plan
    invested in Class B shares of one or more GT Global Mutual Funds;
    
 
   
(iv) tax-free returns of excess contributions or returns of excess deferral
    amounts; and
    
 
   
(v) distributions upon the death or disability (as defined in the Code) of the
    participant or beneficiary.
    
 
   
Shareholders who purchased Class B shares prior to June 1, 1998 are entitled to
certain waivers of the contingent deferred sales charge on those shares as
described in the Statement of Additional Information under "Information Relating
to Sales and Redemptions--Sales Charge Waivers for Shares Purchased Prior to
June 1, 1998."
    
 
   
CONVERSION OF CLASS B SHARES. Class B shares automatically will convert into
Class A shares of the same Fund (together with a pro rata portion of all Class B
shares acquired through the reinvestment of dividends and distributions) eight
years from the end of the calendar month in which the purchase of Class B shares
was made. Following such conversion of Class B shares, investors will be
relieved of the higher Rule 12b-1 Plan payments associated with Class B shares.
    
 
                             PROGRAMS APPLICABLE TO
                       CLASS A SHARES AND CLASS B SHARES
 
   
AUTOMATIC INVESTMENT PLAN. Investors may purchase either Class A or Class B
shares of a Fund through the GT Global Automatic Investment Plan. Under this
Plan, an amount specified by the shareholder of $100 or more (or $25 for IRAs,
Code Section 403(b)(7) custodial accounts and other tax-qualified
employer-sponsored retirement accounts) on a monthly or quarterly basis will be
sent to the Transfer Agent from the investor's bank for investment in the Fund.
Participants in the Automatic Investment Plan should not elect to
receive dividends or other distributions from a Fund in cash. A sales charge
will be applied to each automatic monthly purchase of Class A Fund shares in an
amount determined in accordance with the Right of Accumulation privilege
described above. To participate in the Automatic Investment Plan, investors
should complete the appropriate portion of the Supplemental Application provided
at the end of this Prospectus. Investors should contact their Financial
Institution or AIM Distributors for more information.
    
 
   
[DOLLAR COST AVERAGING PROGRAM. Investors may purchase either Class A or Class B
shares of a Fund through the GT Global Dollar Cost Averaging Program whereby a
shareholder invests the same dollar amount each month. Accordingly, the investor
purchases more shares when a Fund's net asset value is relatively low and fewer
shares when a Fund's net asset value is relatively high. This can result in a
lower average cost-per-share than if the shareholder followed a less systematic
approach. Dollar cost averaging does not assure a profit and does not protect
against loss in
    
 
                               Prospectus Page 34
<PAGE>
                             GT GLOBAL INCOME FUNDS
declining markets. Because such a program involves continuous investment in
securities regardless of fluctuating price levels of such securities, investors
should consider their financial ability to continue purchases when prices are
declining.
 
   
A participant in the GT Global Dollar Cost Averaging Program first designates
the size of his or her monthly investment in a Fund ("Monthly Investment") after
participation in the Program begins. The Monthly Investment must be at least
$1,000. The investor then will make an initial investment of at least $10,000 in
the GT Global Dollar Fund. Thereafter, each month an amount equal to the
specified Monthly Investment automatically will be redeemed from the GT Global
Dollar Fund and invested in Fund shares. A sales charge will be applied to each
automatic monthly purchase of Class A Fund shares in an amount determined in
accordance with the Right of Accumulation privilege described above. Investors
should contact their Financial Institution or AIM Distributors for more
information.]
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class(es) of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program nor
does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Shareholders participating in
the Program may also participate in the Right of Accumulation, Letter of Intent
and Dollar Cost Averaging programs. Certain Financial Institutions may charge a
fee for establishing accounts relating to the Program. Investors should contact
their Financial Institution or AIM Distributors for more information.
    
 
                               Prospectus Page 35
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
                             HOW TO MAKE EXCHANGES
    
 
- --------------------------------------------------------------------------------
 
   
Shares of a Fund may be exchanged for shares of the same class of any other GT
Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical. Class A shares of the Funds also may be exchanged for Class A shares
of funds of The AIM Family of Funds and for AIM Cash Reserve Shares of the AIM
Money Market Fund. However, purchases of Class A shares of GT Global Mutual
Funds of $1,000,000 or more that are subject to a contingent deferred sales
charge may not be exchanged for Class A shares of AIM Limited Maturity Treasury
Fund, AIM Tax-Free Intermediate Fund, or AIM Tax-Exempt Cash Fund. Exchanges
into The AIM Family of Funds will be based on their respective net asset values
without imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES OF CLASS B SHARES. Although currently no exchanges are permitted
between the Funds and funds of The AIM Family of Funds with respect to Class B
shares, the Board of Trustees anticipates that such exchanges will be offered on
or about October 1, 1998.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds and The
AIM Family of Funds include the following:
    
 
   
  - AIM ADVISOR FLEX FUND
    
   
  - AIM ADVISOR INTERNATIONAL VALUE FUND
    
   
  - AIM ADVISOR LARGE CAP VALUE FUND
    
   
  - AIM ADVISOR MULTIFLEX FUND
    
   
  - AIM ADVISOR REAL ESTATE FUND
    
   
  - AIM AGGRESSIVE GROWTH FUND
    
   
  - AIM ASIAN GROWTH FUND
    
   
  - AIM BALANCED FUND
    
   
  - AIM BLUE CHIP FUND
    
   
  - AIM CAPITAL DEVELOPMENT FUND
    
   
  - AIM CHARTER FUND
    
   
  - AIM CONSTELLATION FUND
    
   
  - AIM EUROPEAN DEVELOPMENT FUND
    
   
  - AIM GLOBAL AGGRESSIVE GROWTH FUND
    
   
  - AIM GLOBAL GROWTH FUND
    
   
  - AIM GLOBAL INCOME FUND
    
   
  - AIM GLOBAL UTILITIES FUND
    
   
  - AIM HIGH INCOME MUNICIPAL FUND
    
   
  - AIM HIGH YIELD FUND
    
   
  - AIM INCOME FUND
    
   
  - AIM INTERMEDIATE GOVERNMENT FUND
    
   
  - AIM INTERNATIONAL EQUITY FUND
    
   
  - AIM LIMITED MATURITY TREASURY FUND
    
   
  - AIM MONEY MARKET FUND
    
   
  - AIM MUNICIPAL BOND FUND
    
   
  - AIM SELECT GROWTH FUND
    
   
  - AIM TAX-EXEMPT BOND FUND OF CONNECTICUT
    
   
  - AIM TAX-EXEMPT CASH FUND
    
   
  - AIM TAX-FREE INTERMEDIATE FUND
    
   
  - AIM VALUE FUND
    
   
  - AIM WEINGARTEN FUND
    
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
If a shareholder does not surrender all of his or her shares in an exchange, the
remaining balance in the shareholder's account after the exchange must be at
least $500. Exchange requests received in good order by the Transfer Agent
before the close of regular trading on the NYSE on any Business Day will be
processed at the net asset value calculated on that day. The terms of the
exchange offer may be modified at any time, on 60 days' prior written notice.
    
 
                               Prospectus Page 36
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
An investor interested in making an exchange should contact his or her Financial
Institution or the Transfer Agent to request the prospectus of the other GT
Global Mutual Fund(s) being considered. Certain Financial Institutions may
charge a fee for handling exchanges.
    
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange instructions to the
shareholder's Financial Institution or to the Transfer Agent by telephone at the
appropriate toll free number provided in the Shareholder Account Manual.
Exchange orders will be accepted by telephone provided that the exchange
involves only uncertificated shares on deposit in the shareholder's account or
for which certificates have previously been deposited. Shareholders
automatically have telephone privileges to authorize exchanges. The Funds, AIM
Distributors and the Transfer Agent will not be liable for any loss or damage
for acting in good faith upon instructions received by telephone and reasonably
believed to be genuine. The Funds employ reasonable procedures to confirm that
instructions communicated by telephone are genuine prior to acting upon
instructions received by telephone, including requiring some form of personal
identification, providing written confirmation of such transactions, and/or tape
recording of telephone instructions.
    
 
   
EXCHANGES BY MAIL. Exchange orders should be sent by mail to the shareholder's
Financial Institution or to the Transfer Agent at the address set forth in the
Shareholder Account Manual.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
- --------------------------------------------------------------------------------
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
Shares of each Fund may be redeemed at their net asset value (subject to any
applicable contingent deferred sales charge for Class B shares or, in limited
circumstances, Class A shares) and redemption proceeds will be sent within seven
days of the execution of a redemption request. If a redeeming shareholder owns
more than one class of shares, the shareholder must specify the class of shares
to be redeemed.
 
   
REDEMPTIONS THROUGH FINANCIAL INSTITUTIONS. Shareholders with accounts at
Financial Institutions that sell shares of a Fund may submit redemption requests
to such Financial Institutions. If the shares are held in the name of the
Financial Institution the redemption must be made through the Financial
Institution. Financial Institutions may honor a redemption request either by
repurchasing shares from a redeeming shareholder at the net asset value next
determined after the Financial Institution receives the request or by forwarding
such requests to the Transfer Agent (see "How to Redeem Shares -- Redemptions
Through the Transfer Agent"). Redemption proceeds normally will be paid by check
or, if offered by the Financial Institution, credited to the shareholder's
account at the Financial Institution at the election of the shareholder.
Financial Institutions may impose a service charge for handling redemption
transactions placed through them and may have other requirements concerning
redemptions. Accordingly,
    
 
                               Prospectus Page 37
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
shareholders should contact their Financial Institution for more details.
    
 
   
REDEMPTIONS THROUGH THE TRANSFER AGENT. Redemption requests may be transmitted
to the Transfer Agent by telephone or by mail, in accordance with the
instructions provided in the Shareholder Account Manual. Redemptions will be
effected at the net asset value (less any applicable contingent deferred sales
charge for Class B shares or, in limited circumstances, Class A shares) next
determined after the Transfer Agent has received the request or after an
Authorized Institution has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institution. A notary public is not an
acceptable guarantor. A shareholder with questions concerning a Fund's signature
guarantee requirement should contact the Transfer Agent.
    
 
Shareholders may qualify to have redemption proceeds sent to a Pre-Designated
Account by completing the appropriate section of the Account Application at the
end of this Prospectus. Shareholders with Pre-Designated Accounts should request
that redemption proceeds be sent either by bank wire or by check. The minimum
redemption amount for a bank wire is $500. Shareholders requesting a bank wire
should allow two business days from the time the redemption request is effected
for the proceeds to be deposited in the shareholder's Pre-Designated Account.
See "How to Redeem Shares -- Other Important Redemption Information."
Shareholders may change their Pre-Designated Accounts only by a letter of
instruction to the Transfer Agent containing all account signatures, each of
which must be guaranteed. The Transfer Agent currently does not charge a bank
wire service fee for each wire redemption sent, but reserves the right to do so
in the future. The shareholder's bank may charge a bank wire service fee.
 
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Funds, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
SYSTEMATIC WITHDRAWAL PLAN. Shareholders owning shares with a value of $10,000
or more may participate in the GT Global Systematic Withdrawal Plan. A
participating shareholder will receive proceeds from monthly, quarterly or
annual redemptions of Fund shares with respect to either Class A or Class B
shares. No contingent deferred sales charge will be imposed on redemptions made
under the Systematic Withdrawal Plan. The minimum withdrawal amount is $100. The
amount or percentage a participating shareholder specifies to be redeemed may
not, on an annualized basis, exceed 12% of the value of the account, as of the
 
                               Prospectus Page 38
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
time the shareholder elects to participate in the Systematic Withdrawal Plan. To
participate in the Systematic Withdrawal Plan, investors should complete the
appropriate portion of the Supplemental Application provided at the end of this
Prospectus. Investors should contact their Financial Institution or the Transfer
Agent for more information. With respect to Class A shares, participation in the
Systematic Withdrawal Plan concurrent with purchases of Class A shares of the
Fund may be disadvantageous to investors because of the sales charges involved
and possible tax implications, and therefore is discouraged. In addition,
shareholders who participate in the Systematic Withdrawal Plan should not elect
to reinvest dividends or other distributions in additional Fund shares.
Systematic withdrawal plans offered by Financial Institutions may have different
features. Accordingly, shareholders should contact their Financial Institution
for more details.
    
 
CHECKWRITING -- GOVERNMENT INCOME FUND -- CLASS A SHARES. Class A shareholders
of Government Income Fund may redeem their Government Income Fund shares by
writing checks, a supply of which may be obtained through the Transfer Agent,
against their Government Income Fund accounts. The minimum check amount is $300.
When the check is presented to the Transfer Agent for payment, the Transfer
Agent will cause the Government Income Fund to redeem a sufficient number of
Class A shares to cover the amount of the check. This procedure enables the
shareholder to continue receiving dividends on those shares until such time as
the check is presented to the Transfer Agent for payment. Cancelled checks are
not returned. However, such shareholders may obtain photocopies of their
cancelled checks upon request. If a shareholder does not own sufficient Class A
shares to cover a check, the check will be returned to the payee marked
"nonsufficient funds." Checks written in amounts less than $300 also will be
returned. The Government Income Fund and the Transfer Agent reserve the right to
terminate or modify the checkwriting service at any time or to impose a service
charge in connection with it.
 
Because the aggregate amount of Government Income Fund Class A shares owned by a
shareholder is likely to change each day, shareholders should not attempt to
redeem all of their Government Income Fund shares held in their accounts by
using the check redemption procedure. Charges may be imposed for specially
imprinted checks, business checks, copies of cancelled checks, stop payment
orders, checks returned "nonsufficient funds" and checks returned because they
are written for less than $300. These charges will be paid by redeeming
automatically an appropriate number of Government Income Fund Class A shares.
 
Shareholders of Government Income Fund Class A shares who are interested in
checkwriting should obtain the necessary forms by calling the Transfer Agent at
the number provided in the Shareholder Account Manual. Checkwriting generally is
not available to persons who hold Government Income Fund Class A shares in tax-
deferred retirement plan accounts.
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in doubt as to what documents are required should contact
his Financial Institution or the Transfer Agent.
    
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone, or
by mail will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which a Fund has not yet
received good payment, the Fund may delay payment of redemption proceeds until
the Transfer Agent has assured itself that good payment has been collected for
the purchase of the shares. In the case of purchases by check it can take up to
10 business days to confirm that the check has cleared and good payment has been
received. Redemption proceeds will not be delayed when shares have been paid for
by wire or when the investor's account holds a sufficient number of shares for
which funds already have been collected.
 
A Fund may redeem the shares of any shareholder whose account is reduced to less
than $500 in net asset value through redemptions or other action by the
shareholder. Written notice will be given to the shareholder at least 60 days
prior to the date fixed for such redemption, during which time the shareholder
may increase his or her holdings to an aggregate amount of $500 or more (with a
minimum purchase of $100).
 
                               Prospectus Page 39
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
   
Shareholders are encouraged to place purchase, exchange and redemption orders
through their Financial Institutions. Shareholders also may place such orders
directly through the Transfer Agent in accordance with this Manual. See "How to
Invest," "How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions, and Federal Income Taxation" for more information.
    
 
Each Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
Send the completed Account Application (if initial purchase) or letter stating
Fund name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
An investor opening a new account should call 1-800-223-2138 to obtain an
account number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION
CONTAINING THE INVESTOR'S CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT
TO THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire instructions
must state Fund name, class of shares, shareholder's registered name and account
number. Bank wires should be sent through the Federal Reserve Bank Wire System
to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
Shareholders with additional questions regarding purchase, exchange and
redemption procedures should call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 40
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
Each Fund calculates its net asset value as of the close of normal trading on
the NYSE (currently 4:00 p.m., Eastern Time, unless weather, equipment failure
or other factors contribute to an earlier closing time) each Business Day. Each
Fund's net asset value per share is computed by determining the value of its
total assets (which, in the case of the High Income Fund, is the value of its
proportionate share of the total assets of the Portfolio) subtracting all of its
liabilities, and dividing the result by the total number of shares outstanding
at such time. Net asset value is determined separately for each class of shares
of each Fund.
 
   
Long-term debt obligations held by a Fund or the Portfolio are valued at the
mean of representative quoted bid and asked prices for such securities or, if
such prices are not available, at prices for securities of comparable maturity,
quality and type; however, when the Sub-adviser deems it appropriate, prices
obtained from a bond pricing service will be used. Short-term debt investments
are amortized to maturity based on their cost, adjusted for foreign exchange
translation and market fluctuations, provided such valuations represent fair
value. Equity securities are valued at the last sale price on the exchange or in
the OTC market in which such securities are primarily traded, as of the close of
business on the day the securities are being valued, or, lacking any sales, at
the last available bid price. When market quotations for futures and options
positions held by a Fund or the Portfolio are readily available, those positions
are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's or the Portfolio's Board of Trustees. Securities and
other assets quoted in foreign currencies are valued in U.S. dollars based on
the prevailing exchange rates on that day.
    
 
Each Fund's or the Portfolio's portfolio securities, from time to time, may be
listed primarily on foreign exchanges or OTC dealer markets that may trade on
days when the NYSE is closed (such as Saturday). As a result, the net asset
value of a Fund may be significantly affected by such trading on days when
shareholders cannot purchase or redeem shares of that Fund.
The different service and distribution fees borne by each class of shares of
each Fund will result in different net asset values. The per share net asset
value of the Class B shares of a Fund generally will be lower than that of the
Class A shares of that Fund because of the higher service and distribution fees
borne by the Class B shares. The per share net asset value of the Advisor Class
shares of a Fund generally will be higher than that of the Class A and Class B
shares of that Fund because of the absence of any service and distribution fees
applicable to the Advisor Class shares. It is expected, however, that the net
asset value per share of the classes of a Fund will tend to converge immediately
after the payment of dividends, which will differ by approximately the amount of
the service and distribution fee accrual differential between the classes.
 
                               Prospectus Page 41
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. Each Fund declares and pays monthly dividends
from its net investment income, if any, which includes accrued interest, earned
discount (including both original issue and market discounts) and dividends less
applicable expenses. Each Fund also annually distributes substantially all of
its realized net capital gains and net gains from foreign currency transactions,
if any. Each Fund may make an additional dividend or other distribution each
year if necessary to avoid a 4% excise tax on certain undistributed income and
gain.
 
Dividends and other distributions paid by each Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Class B shares of a Fund will be lower than the per
share income dividends on Class A shares of that Fund as a result of the higher
service and distribution fees applicable to Class B shares; and the per share
income dividends on both such classes of shares of a Fund will be lower than the
per share income dividends on the Advisor Class shares of that Fund as a result
of the absence of any service and distribution fees applicable to Advisor Class
shares. SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Fund shares of the distributing class (or in shares of the
    corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional shares are made at net asset value without
imposition of a sales charge. IF NO ELECTION IS MADE BY A SHAREHOLDER, ALL
DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY REINVESTED IN ADDITIONAL
FUND SHARES OF THE DISTRIBUTING CLASS. Reinvestments in another GT Global Mutual
Fund may only be directed to an account with the identical shareholder
registration and account number. These elections may be changed by a shareholder
at any time; to be effective with respect to a distribution, the shareholder or
the shareholder's broker must contact the Transfer Agent by mail or telephone at
least 15 Business Days prior to the payment date. THE FEDERAL INCOME TAX
CONSEQUENCES OF DIVIDENDS AND OTHER DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE
RECEIVED IN CASH OR REINVESTED IN ADDITIONAL SHARES.
 
Any dividend or other distribution paid by a Fund has the effect of reducing the
net asset value per share on the ex-dividend date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. Each Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that a Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders. In the case of the High Income Fund, its
investment company taxable income and net capital gain consists of its
proportionate share of the Portfolio's net investment income, net gains from
certain foreign currency transactions and net short-term capital gain and net
capital gain. The Portfolio expects that it also will not be liable for any
federal income tax.
 
Dividends from a Fund's investment company taxable income (whether paid in cash
or reinvested in additional shares) are taxable to its shareholders as ordinary
income to the extent of the Fund's
 
                               Prospectus Page 42
<PAGE>
                             GT GLOBAL INCOME FUNDS
earnings and profits. Distributions of a Fund's net capital gain, when
designated as such, are taxable to its shareholders as long-term capital gains
regardless of how long they have held their Fund shares and whether paid in cash
or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, each Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
Each Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
Each Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with a
Fund.
 
   
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares (which normally
includes any initial sales charge paid on Class A shares). An exchange of Fund
shares for shares of another GT Global Mutual Fund (including another Fund) or a
fund of The AIM Family of Funds generally will have similar tax consequences.
However, special tax rules apply when a shareholder (1) disposes of Class A
shares of a Fund through a redemption or exchange within 90 days after purchase
and (2) subsequently acquires Class A shares of that Fund or any other GT Global
Mutual Fund or a fund of The AIM Family of Funds on which an initial sales
charge normally is imposed without paying that sales charge due to the
reinstatement privilege or exchange privilege. In these cases, any gain on the
disposition of the original Class A shares will be increased, or loss decreased,
by the amount of the sales charge paid when the shares were acquired, and that
amount will increase the adjusted basis of the shares subsequently acquired. In
addition, if shares of a Fund are purchased within 30 days before or after
redeeming other shares of that Fund (regardless of class) at a loss, all or a
part of the loss will not be deductible and instead will increase the basis of
the newly purchased shares.
    
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting each Fund and its shareholders. See "Taxes"
in the Statement of Additional Information for a further discussion. There may
be other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors are therefore urged to consult their
tax advisers.
 
                               Prospectus Page 43
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's and the Portfolio's Boards of Trustees have overall responsibility
for the operation of the Funds and the Portfolio, respectively. The Company's
and Portfolio's Boards of Trustees have approved all significant agreements
between the Company and the Portfolio on the one side and persons or companies
furnishing services to the Portfolio on the other, including the investment
advisory and administrative services agreement with AIM, the investment
sub-advisory and sub-administration agreement with the Sub-adviser, the
agreements with AIM Distributors regarding distribution of each Fund's shares,
the agreement with State Street Bank and Trust Company as the custodian and the
transfer agency agreement with GT Global Investors Services, Inc., an affiliate
of the Sub-adviser. The day-to-day operations of the Funds and the Portfolio are
delegated to the officers of the Company and the Portfolio, subject always to
the objective and policies of the applicable Fund and Portfolio and to the
general supervision of the Company's and Portfolio's Boards of Trustees. See
"Trustees and Executive Officers" in the Statement of Additional Information for
information on the Trustees.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Government Income Fund's, the Strategic Income Fund's and the
Portfolio's investment managers and administrators include, but are not limited
to, determining the composition of the investment portfolio of the Government
Income Fund, the Strategic Income Fund and the Portfolio and placing orders to
buy, sell or hold particular securities. In addition, AIM and the Sub-adviser
provide the following administration services to the Funds and the Portfolio:
furnishing corporate officers and clerical staff; providing office space,
services and equipment; and supervising all matters relating to the Government
Income Fund's, the Strategic Income Fund's and the Portfolio's operation.
    
 
   
The Government Income Fund and the Strategic Income Fund each pays AIM
investment management and administration fees computed daily and payable
monthly, based on their respective average daily net assets, for such services
at the annualized rate of .725% on the first $500 million, .70% on the next $1
billion, .675% on the next $1 billion, and .65% on amounts thereafter. Out of
the aggregate fees payable by a Fund, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from
each Fund. The investment management and administration fees paid by the Funds
and the Portfolio are higher than those paid by most mutual funds. The High
Income Fund pays AIM administration fees at the annualized rate of 0.25% of the
Fund's average daily net assets. In addition, the Fund bears its pro rata
portion of the investment management and administration fees paid by the
Portfolio to AIM. The Portfolio pays AIM such fees, based on the average daily
net assets of the Portfolio at the annualized rate of .475% on the first $500
million, .45% on the next $1 billion, .425% on the next $1 billion and .40% on
amounts thereafter, plus 2% of the Portfolio's total investment income as stated
in the Portfolio's Statement of Operations, calculated in accordance with
generally accepted accounting principles, adjusted daily for currency
revaluations, on a marked to market basis, of the Portfolio's assets; provided,
however, that during any fiscal year this amount shall not exceed 2% of the
Portfolio's total investment income calculated in accordance with generally
accepted accounting principles. Out of its aggregate fees payable by the High
Income Fund and the Portfolio, AIM pays the Sub-adviser sub-advisory and
sub-adminstration fees equal to 40% of the aggregate fees AIM receives from the
High Income Fund and the Portfolio. These rates are higher than those paid by
most mutual funds. Each Fund pays all expenses not assumed by AIM, the
Sub-adviser, AIM Distributors or any other agents. AIM has undertaken to limit
the expenses of the Class A and Class B shares of the Government Income Fund and
the Strategic Income Fund (exclusive of brokerage commissions, taxes, interest
and extraordinary expenses) to the maximum annual level of 1.85% and 2.50% of
the average daily net assets of such Funds' Class A and Class B shares,
respectively. AIM has undertaken to limit the expenses of the Class A and Class
B shares of the High Income Fund (and such Fund's pro-rata portion of the
Portfolio's expenses) to the maximum
    
 
                               Prospectus Page 44
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
annual level of 2.25% and 2.85% of the average daily net assets of such Fund's
Class A and Class B shares, respectively.
    
 
   
The Sub-adviser also serves as each Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion and allocating the result according to each
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to the Government Income Fund, Strategic Income Fund and the
Portfolio pursuant to a master investment advisory agreement, dated as of
              , 1998 (the "Advisory Agreement"). AIM was organized in 1976 and,
together with its subsidiaries, manages or advises over               investment
company portfolios encompassing a broad range of investment objectives. The Sub-
adviser, 50 California Street, 27th Floor, San Francisco, California 94111, and
1166 Avenue of the Americas, New York, New York 10036, serves as the sub-adviser
to the Government Income Fund, Strategic Income Fund and the Portfolio pursuant
to an investment sub-advisory agreement dated as of               , 1998. On May
  , 1998, Liechtenstein Global Trust AG ("GT"), the former indirect parent
organization of the Sub-adviser, consummated a purchase agreement with AMVESCAP
PLC pursuant to which AMVESCAP PLC acquired GT's Asset Management Division,
which includes the Sub-adviser and certain other affiliates. As a result of this
transaction, the Sub-adviser is now an indirect wholly owned subsidiary of
AMVESCAP PLC. Prior to the sale, the Sub-adviser and its worldwide asset
management affiliates provided investment management and/or administrative
services to institutional, corporate and individual clients around the world
since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking each Fund's investment
objective.
    
 
                               Prospectus Page 45
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
The investment professionals primarily responsible for the portfolio management
of the Government Income Fund, the Strategic Income Fund and the Portfolio are
as follows:
 
   
<TABLE>
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                       THE FUND                                    PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Michael Mabbutt           Portfolio Manager since   Mr. Mabbutt joined [Chancellor GT] Asset Management, Inc. (the
 London                    1997                      "Sub-adviser") and GT Asset Management PLC (London), an affiliate
                                                     of the Sub-adviser, in December 1996. He was appointed Head of
                                                     Global Emerging Market Debt for the Sub-adviser in April 1997.
                                                     Prior to joining the Sub-adviser, he was a Senior Portfolio
                                                     Sub-adviser for global fixed income at Baring Asset Management in
                                                     London from 1992 to 1996. At Baring Asset Management, he was
                                                     responsible for developing the emerging market debt process as head
                                                     of the five member Emerging Market Fixed Income Strategy Group.
 
Cheng-Hock Lau            Portfolio Manager since   Mr. Lau has been Chief Investment Officer for Global Fixed Income
 New York                  1996 (Government Income   for the Sub-adviser since October 1996, and was a Senior Portfolio
                           Fund and Strategic        Sub-adviser for global/international fixed income for Chancellor
                           Income Fund); since       Capital Management, Inc. ("Chancellor Capital"), a predecessor of
                           1997 (High Income         the Sub-Adviser, from July 1995 to October 1996. Prior thereto, Mr.
                           Portfolio)                Lau was a Senior Vice President and Senior Portfolio Sub- adviser
                                                     for Fiduciary Trust Company International from 1993 to 1995, and
                                                     Vice President at Bankers Trust Company from 1991 to 1993.
 
David B. Hughes           Portfolio Manager since   Mr. Hughes has been Head of Global Fixed Income, North America, for
 New York                  1998 (Government Income   the Sub-adviser since January 1998, and was a Senior Portfolio
                           Fund)                     Manager for global/international fixed income for the Sub-adviser
                                                     from July 1995 to December 1997. From July 1995 to October 1996,
                                                     Mr. Hughes was employed by Chancellor Capital. Prior thereto, Mr.
                                                     Hughes was an Assistant Vice President of Fiduciary Trust Company
                                                     International from 1994 to 1995, and Assistant Treasurer at the
                                                     Bankers Trust Company from 1991 to 1994.
 
Craig Munro               Portfolio Manager since   Mr. Munro has been a Portfolio Manager for the Sub- adviser since
 New York                  1998 (High Income         August 1997. Prior thereto, Mr. Munro was a Vice President, Senior
                           Portfolio)                Analyst in the Emerging Markets Group of the Global Fixed Income
                                                     Division of Merrill Lynch Asset Management from 1993 to August
                                                     1997.
</TABLE>
    
 
                               Prospectus Page 46
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
In placing orders for the Government Income Fund's, Strategic Income Fund's and
the Portfolio's securities transactions, the Sub-adviser seeks to obtain the
best net results. Consistent with its obligation to obtain the best net results,
the Sub-adviser may consider a broker/dealer's sale of shares of the GT Global
Mutual Funds as a factor in considering through whom portfolio transactions will
be effected. Brokerage transactions for the Fund may be executed through
affiliates of AIM or the Sub-adviser. High portfolio turnover (over 100%)
involves correspondingly greater brokerage commissions and other transaction
costs that the Funds or the Portfolio will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. The Company has entered into master distribution
agreements relating to the Funds (the "Distribution Agreements"), dated
              , 1998, with AIM Distributors, a registered broker/dealer and a
wholly owned subsidiary of AIM. The address of AIM Distributors is P.O. Box
4739, Houston, Texas 77210-4739. The Distribution Agreements provide AIM
Distributors with the exclusive rights to distribute shares of the Funds
directly and through institutions with whom AIM Distributors has entered into
selected dealer agreements. Under the Distribution Agreements, AIM Distributors
acts as the distributor of Class A and Class B shares of the Funds. As
distributor, AIM Distributors collects the sales charges imposed on purchases of
Class A shares and any contingent deferred sales charges that may be imposed on
certain redemptions of Class A and Class B shares. AIM Distributors reallows a
portion of the sales charge on Class A shares to broker/dealers that have sold
such shares in accordance with the schedule set forth above under "How to
Invest." In addition, AIM Distributors pays a commission equal to 4.00% of the
amount invested to broker/dealers who sell Class B shares. From time to time,
AIM Distributors may pay commissions in excess of these amounts. Commissions are
not paid on exchanges or certain reinvestments in Class B shares. In addition,
with respect to both classes of shares, AIM Distributors makes ongoing payments
to broker/dealers for distribution and service activities in accordance with the
Rule 12b-1 plans described below.
    
 
   
AIM Distributors, at its own expense, may provide additional promotional
incentives to broker/ dealers that sell shares of the Funds and/or shares of the
other GT Global Mutual Funds. In some instances additional compensation or
promotional incentives may be offered to broker/dealers that have sold or may
sell significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to brokers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and lodging)
incurred by sales personnel and members of their families or other invited
guests to various locations for such seminars or training programs, seminars for
the public, advertising and sales campaigns regarding one or more of the GT
Global Mutual Funds, and/or other events sponsored by the broker/dealers. In
addition, AIM Distributors makes ongoing payments to brokerage firms, financial
institutions (including banks) and others that facilitate the administration and
servicing of shareholder accounts.
    
 
   
AIM Distributors may elect to re-allow the entire initial sales charge to
dealers for all sales with respect to which orders are placed with AIM
Distributors during a particular period. Dealers to whom substantially the
entire sales charge is re-allowed may be deemed to be "underwriters" as that
term is defined under the Securities Act of 1933.
    
 
   
In addition to amounts paid to dealers as a dealer concession out of the initial
sales charge paid by investors, AIM Distributors may, from time to time, at its
expense or as an expense for which it may be compensated under a distribution
plan, if applicable, pay a bonus or other consideration or incentive to dealers
who sell a minimum dollar amount of the shares of the GT Global Mutual Funds
during a specified period of time. In some instances, these incentives may be
offered only to certain dealers who have sold or may sell significant amounts of
shares. At the option of the dealer, such incentives may take the form of
payment for travel expenses, including lodging, incurred in connection with
trips taken by qualifying registered representatives and their families to
places within or outside the United States. The total amount of such additional
bonus payments or other consideration shall not exceed 0.25% of the public
offering price of the shares sold. Any such bonus or incentive programs will not
change the price paid by investors for the purchase of the applicable GT Global
Mutual Fund's shares or the amount that any particular GT Global Mutual Fund
will receive as proceeds from such sales. Dealers may not use sales of the GT
Global Mutual Funds' shares to qualify for any incentives to the
    
 
                               Prospectus Page 47
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
extent that such incentives may be prohibited by the laws of any state.
    
 
   
AIM Distributors may make payments to dealers and institutions who are dealers
of record for purchases of $1 million or more of Class A shares (or shares which
normally involve payment of initial sales charges), which are sold at net asset
value and are subject to a contingent deferred sales charge as follows: 1% of
the first $2 million of such purchases, plus 0.80% of the next $1 million of
such purchases, plus 0.50% of the next $l7 million of such purchases, plus 0.25%
of amounts in excess of $20 million of such purchases.
    
 
   
AIM Distributors may pay sales commissions to dealers and institutions who sell
Class B shares of the GT Global Mutual Funds at the time of such sales. Payments
with respect to Class B shares will equal 4.00% of the purchase price of the
Class B shares sold by the dealer or institution and will consist of a sales
commission equal to 3.75% of the purchase price of the Class B shares sold plus
an advance of the first year service fee of 0.25% with respect to such shares.
The portion of the payments to AIM Distributors under the Class B Plan which
constitutes an asset-based sales charge (0.75%) is intended in part to permit
AIM Distributors to recoup a portion of such sales commissions plus financing
costs.
    
 
   
The Company has adopted a Master Distribution Plan applicable to Class A shares
of the Funds (the "Class A Plan") pursuant to Rule 12b-1 under the 1940 Act, to
compensate AIM Distributors for the purpose of financing any activity that is
intended to result in the sale of Class A shares of the Funds. Under the Class A
Plan, the Company compensates AIM Distributors an aggregate amount of 0.50% of
the average daily net assets of Class A shares of each Fund.
    
 
   
The Company also has adopted a Master Distribution Plan applicable to Class B
shares of the Funds (the "Class B Plan"). Under the Class B Plan, each Fund pays
compensation to AIM Distributors at an annual rate of 1.00% of the average daily
net assets of Class B shares of each Fund.
    
 
   
The Class A Plan and the Class B Plan (together, the "Plans") are designed to
compensate AIM Distributors for certain promotional and other sales-related
costs, and to implement a dealer incentive program that provides for periodic
payments to selected dealers who furnish continuing personal shareholder
services to their customers who purchase and own Class A and Class B shares of a
Fund. Payments also can be directed by AIM Distributors to selected dealers and
financial institutions who have entered into service agreements with respect to
Class A and Class B shares of the Funds and who provide continuing personal
services to their customers who own Class A and Class B shares of a Fund. The
service fees payable to selected dealers and financial institutions are
calculated at the annual rate of 0.25% of the average daily net asset value of
those Fund shares that are held in such institution's or dealer's customers'
accounts that were purchased on or after a prescribed date set forth in the
Plans. Any amounts not payable as a service fee would constitute an asset-based
sales charge. Payments under the Plans are subject to any applicable limitations
imposed by the rules of the National Association of Securities Dealers, Inc.
    
 
   
The Plans do not obligate the Funds to reimburse AIM Distributors for the actual
expenses AIM Distributors may incur in fulfilling its obligations under the
Plans. Thus, even if AIM Distributors' actual expenses exceed the fee payable to
AIM Distributors thereunder at any time, the Funds will not be obligated to pay
more than that fee. If AIM Distributors' expenses are less than the fee it
receives, AIM Distributors will retain the full amount of the fee.
    
 
   
Under the Plans, AIM Distributors may in its discretion from time to time agree
to waive voluntarily all or any portion of its fee that has not been assigned or
transferred, while retaining its ability to be reimbursed for such fee prior to
the end of each fiscal year.
    
 
   
Under the Plans, certain financial institutions which have entered into service
agreements and which sell shares of the Funds on an agency basis, may receive
payments from the Funds pursuant to the respective Plans. AIM Distributors does
not act as principal, but rather as agent for the Funds, in making such
payments. For additional information concerning the operation of the Plans see
the Statement of Additional Information.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. Banks and broker/dealer affiliates of banks
also may execute dealer agreements with AIM Distributors for the purpose of
selling shares of the Funds. If a bank were
    
 
                               Prospectus Page 48
<PAGE>
                             GT GLOBAL INCOME FUNDS
prohibited from so acting, its shareholder clients would be permitted to remain
shareholders, and alternative means for continuing the servicing of such
shareholders would be sought. It is not expected that shareholders would suffer
any adverse financial consequences as a result of any of these occurrences.
 
- --------------------------------------------------------------------------------
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in a Fund, the shareholder will receive from the
Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to a Fund's Automatic
Investment Plan, Systematic Withdrawal Plan, and automatic dividend reinvestment
program may be provided quarterly. Shortly after the end of each Fund's fiscal
year on October 31 and fiscal half-year on April 30 of each year, shareholders
receive an annual and a semiannual report, respectively. In addition, the
federal income status of distributions made by a Fund to shareholders are
reported after the end of the calendar year on Form 1099-DIV. Under certain
circumstances, duplicate mailings of the foregoing reports to the same household
may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1993. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of each Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of a Fund will be
voted by a Fund's shareholders individually when the matter affects the specific
interest of that Fund only, such as approval of its investment management
arrangements. In addition, shares of a particular class of a Fund may vote on
matters offecting only that Class. The shares of each Fund and of the Company's
other funds will be voted in the aggregate on other matters, such as the
election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting shares may call a meeting of shareholders for the
purpose of voting upon the question of removal of any Trustee or for any other
purpose. The 1940 Act requires the Company to assist shareholders in calling
such a meeting.
    
 
   
Pursuant to the Company's Declaration of Trust, the Company may issue an
unlimited number of shares of each of the Funds. Each share of a Fund represents
an interest in that Fund only, has a par value of $0.01 per share, represents an
equal proportionate interest in that Fund with other shares of the Fund and is
entitled to such dividends and other distributions out of the income earned and
gain realized on the assets belonging to that Fund as may be declared at the
discretion of the Board of Trustees. Each share of the Fund is equal in
earnings, assets and voting privileges, except that each class has exclusive
voting rights with respect to its distribution plan, and bears the expenses, if
any, related to the distribution of its shares. Shares of each Fund, when
issued, are fully paid and nonassessable.
    
 
   
ORGANIZATION OF THE PORTFOLIO. The Portfolio is organized as a Delaware business
trust. The
    
 
                               Prospectus Page 49
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
Portfolio's Declaration of Trust provides that the High Income Fund and other
entities investing in the Portfolio (E.G., other investment companies, insurance
company separate accounts and common and commingled trust funds), if any, will
each be liable for all obligations of the Portfolio. However, the Trustees of
the Company believe that the risk of the High Income Fund incurring financial
loss on account of such liability is limited to circumstances in which both
inadequate insurance existed and the Portfolio itself was unable to meet its
obligations, and that neither the High Income Fund nor its shareholders will be
exposed to a material risk of liability by reason of the High Income Fund's
investing in the Portfolio. Any information received from the Portfolio in the
Portfolio shareholder report will be provided to the High Income Fund's
shareholders.
    
 
Whenever the High Income Fund is requested to vote on any proposal of the
Portfolio, the High Income Fund will hold a meeting of Fund shareholders and
will cast its vote as instructed by Fund shareholders. Shares for which no
voting instructions are received will be voted in the same proportion as the
shares for which voting instructions are received.
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Funds
toll free at (800) 223-2138 or by writing to the Funds at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Funds, from time to time, may include information
on their investment results and/or comparisons of their investment results to
various unmanaged indices or results of other mutual funds or groups of mutual
funds in advertisements, sales literature or reports furnished to present or
prospective shareholders. Investors should be aware that as of October 22, 1992,
the investment objectives of the Strategic Income Fund were changed from long-
term high capital appreciation, primarily and moderate income, secondarily, to
primarily high current income and secondarily capital appreciation. In addition,
the investment policies and limitations of the Strategic Income Fund were
modified.
 
In such materials, the Funds may quote their average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of each Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of a Fund. Standardized Return assumes
reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Funds' performance or
more accurately compare such performance to other measures of investment return,
the Funds also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized Return reflects percentage rates of return encompassing all
elements of return (i.e., income and capital appreciation or depreciation); it
assumes reinvestment of all dividends and other distributions. Non-Standardized
Return may be quoted for the same or different periods as those for which
Standardized Return is quoted; it may consist of an aggregate or average annual
percentage rate of return, actual year-by-year rates or any combination thereof.
Non-Standardized Return may or may not take sales charges into account;
performance data calculated without taking the effect of sales charges into
account will be higher than data including the effect of such charges.
 
The Funds also may refer in advertising and promotional materials to their
yield, which will fluctuate over time. A Fund's yield shows the rate of income
that it earns on its investments, expressed as a percentage of the public
offering price of its shares. A Fund calculates yield by determining the
interest income it earned from its portfolio investments for a specified
thirty-day period (net of expenses), dividing such income by the average number
of shares outstanding, and expressing the result as an annualized percentage
based on the public offering price at the end of that thirty-day period. Yield
accounting methods differ from the methods used for other accounting purposes.
Accordingly, a Fund's yield may not equal the dividend income actually paid to
investors or the income reported in its financial statements. Yield is
calculated separately for each class of shares of each Fund.
 
The Funds' performance data reflects past performance and is not necessarily
indicative of future results. The Funds' investment results will vary from time
to time depending upon market
 
                               Prospectus Page 50
<PAGE>
                             GT GLOBAL INCOME FUNDS
conditions, the composition of their portfolios and their operating expenses.
These factors and possible differences in calculation methods should be
considered when comparing a Fund's investment results with those published for
other investment companies, other investment vehicles and unmanaged indices.
Each Fund's results also should be considered relative to the risks associated
with its investment objectives and policies. See "Investment Results" in the
Statement of Additional Information.
 
Each Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutaul Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Funds are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM Distributors, and
maintains its offices at California Plaza, 2121 N. California Boulevard, Suite
450, Walnut Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110, is custodian of each Fund's and the Portfolio's assets.
 
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company, the Funds and
the Portfolio. Kirkpatrick & Lockhart LLP also acts as counsel to the Manager,
GT Global and the Transfer Agent in connection with other matters.
 
   
INDEPENDENT ACCOUNTANTS. The Company's and each Fund's and the Portfolio's
independent accountants are                         , One Post Office Square,
Boston, MA 02109.                         conducts an annual audit of each Fund
and the Portfolio, assist in the preparation of each Fund's and the Portfolio's
federal and state income tax returns and consult with the Company, each Fund and
the Portfolio as to matters of accounting, regulatory filings, and federal and
state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 51
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   APPENDIX A
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by various entities from "Aaa" to "C." Investment grade ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa are judged to be of the best quality.
    They carry the smallest degree of investment risk and are generally referred
    to as "gilt edged." Interest payments are protected by a large or by an
    exceptionally stable margin and principal is secure. While the various
    protective elements are likely to change, such changes as can be visualized
    are most unlikely to impair the fundamentally strong position of such
    issues.
 
        Aa -- Bonds which are rated Aa are judged to be of high quality by all
    standards. Together with the Aaa group they comprise what are generally
    known as high grade bonds. They are rated lower than the best bonds because
    margins of protection may not be as large as in Aaa securities or
    fluctuation of protective elements may be of greater amplitude or there may
    be other elements present which make the long-term risk appear somewhat
    larger than the Aaa securities.
 
        A -- Bonds which are rated A possess many favorable investment
    attributes and are to be considered as upper-medium-grade obligations.
    Factors giving security to principal and interest are considered adequate,
    but elements may be present which suggest a susceptibility to impairment
    some time in the future.
 
        Baa -- Bonds which are rated Baa are considered as medium-grade
    obligations, (i.e., they are neither highly protected nor poorly secured).
    Interest payments and principal security appear adequate for the present but
    certain protective elements may be lacking or may be characteristically
    unreliable over any great length of time. Such bonds lack outstanding
    investment characteristics and in fact have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative elements;
    their future cannot be considered as well-assured. Often the protection of
    interest and principal payments may be very moderate, and thereby not well
    safeguarded during both good and bad times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B -- Bonds which are rated B generally lack characteristics of the
    desirable investment. Assurance of interest and principal payments or of
    maintenance of other terms of the contract over any long period of time may
    be small.
 
        Caa -- Bonds which are rated Caa are of poor standing. Such issues may
    be in default or there may be present elements of danger with respect to
    principal or interest.
 
        Ca -- Bonds which are rated Ca represent obligations which are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are rated C are the lowest rated class of bonds, and
    issues so rated can be regarded as having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has been
suspended or withdrawn, it may be for reasons unrelated to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
    1. An application for rating was not received or accepted.
 
    2. The issue or issuer belongs to a group of securities or companies that
are not rated as a matter of policy.
 
    3. There is a lack of essential data pertaining to the issue or issuer.
 
    4. The issue was privately placed, in which case the rating is not published
in Moody's publications.
 
                               Prospectus Page 52
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Suspension or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data to permit a judgment to be formed; if a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies numerical modifiers, 1, 2 and 3 in each generic rating
classification from Aa to Caa. The modifier 1 indicates that the Company ranks
in the higher end of its generic rating category; the modifier 2 indicates a
mid-range ranking; and the modifier 3 indicates that the Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a division of The McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various entities in categories ranging from "AAA"
to "D" according to quality. Investment grade ratings are the first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA -- An obligation rated "AA" differs from the highest rated
    obligations only in a small degree. The obligor's capacity to meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB -- An obligation rated "BBB" exhibits adequate protection
    parameters. However, adverse economic conditions or changing circumstances
    are more likely to lead to a weakened capacity of the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations rated "BB," "B," "CCC," "CC," and "C"
    are regarded as having significant speculative characteristics. "BB"
    indicates the least degree of speculation and "C" the highest. While such
    obligations will likely have some quality and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An obligation rated "BB" is less vulnerable to nonpayment than
    other speculative issues. However, it faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate capacity to meet its financial commitment
    on the obligation.
 
        B -- An obligation rated "B" is more vulnerable to nonpayment than
    obligations rated "BB," but the obligor currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its financial commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to have the capacity to meet its financial commitment on the
    obligation.
 
        CC -- An obligation rated "CC" is currently highly vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed or similar action has been taken, but payments on
    this obligation are being continued.
 
        D -- An obligation rated "D" is in payment default. The "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the applicable grace period has not expired, unless S&P believes
    that such payments will be made during such grace period. The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS (-): The ratings from "AA" to "CCC" may be modified by the
addition of a plus or minus sign to show relative standing within the major
rating categories.
 
NR: Indicates that no public rating has been requested, that there is
insufficient information on which to base a rating, or that S&P does not rate a
particular type of obligation as a matter of policy.
 
                               Prospectus Page 53
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S employs the designation "Prime-1" to indicate commercial paper
having a superior ability for repayment of senior short-term debt obligations.
Prime-1 repayment ability will often be evidenced by many of the following
characteristics: leading market positions in well-established industries; high
rates of return on funds employed; conservative capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in earnings
coverage of fixed financial charges and high internal cash generation; and
well-established access to a range of financial markets and assured sources of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior short-term debt obligations. This normally will be evidenced by many of
the characteristics cited above but to a lesser degree. Earnings trends and
coverage ratios, while sound, may be more subject to variation. Capitalization
characteristics, while still appropriate, may be more affected by external
conditions. Ample alternate liquidity is maintained.
 
    S&P ratings of commercial paper are graded into several categories ranging
from "A1" for the highest quality obligations to "D" for the lowest. Issues in
the "A" category are delineated with numbers 1, 2, and 3 to indicate the
relative degree of safety. A-1 -- This highest category indicates that the
degree of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation. A-2 -- Capacity for timely payments on issues with this
designation is satisfactory; however, the relative degree of safety is not as
high as for issues designated "A-1."
 
                               Prospectus Page 54
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS. FOR MORE INFORMATION AND A PROSPECTUS ON ANY GT GLOBAL FUND,
  INCLUDING FEES, EXPENSES AND THE RISKS OF GLOBAL AND EMERGING MARKET
  INVESTING AND THE RISKS OF INVESTING IN A CONCENTRATION OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER OR CALL AIM DISTRIBUTORS DIRECTLY AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED IN THIS
  PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY A I M ADVISORS, INC.,
  [CHANCELLOR LGT ASSET MANAGEMENT, INC.], G.T. INVESTMENT FUNDS, GT GLOBAL
  GOVERNMENT INCOME FUND, GT GLOBAL STRATEGIC INCOME FUND, GT GLOBAL HIGH
  INCOME FUND, GLOBAL HIGH INCOME PORTFOLIO, OR A I M DISTRIBUTORS, INC. THIS
  PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR SOLICITATION OF ANY OFFER
  TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY JURISDICTION TO ANY
  PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
   
                                                                  INCPR803002 MC
    
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
   
GT GLOBAL GROWTH & INCOME FUND ("FUND") seeks long-term capital appreciation
together with current income. The Fund invests in a global portfolio of both
equity and debt securities, in such relative proportions as deemed most
appropriate by the Fund's investment manager, [Chancellor GT Asset Management,
Inc.] (the "Sub-adviser"), in view of then-current economic and market
conditions. There can be no assurance that the Fund will achieve its investment
objective.
    
 
   
The Fund is managed by A I M Advisors, Inc. ("AIM") and is sub-advised and
sub-administered by the Sub-adviser. AIM and the Sub-adviser and their worldwide
asset management affiliates provide investment management and/or administrative
services to institutional, corporate and individual clients around the world.
AIM and the Sub-adviser are both indirect wholly owned subsidiaries of AMVESCAP
PLC. AMVESCAP PLC and its subsidiaries are an independent investment management
group that has a significant presence in the institutional and retail segment of
the investment management industry in North America and Europe, and a growing
presence in Asia.
    
 
   
This Prospectus sets forth concisely information an investor should know before
investing and should be read carefully and retained for future reference. A
Statement of Additional Information, dated June 1, 1998, has been filed with the
Securities and Exchange Commission ("SEC") and, as supplemented or amended from
time to time, is incorporated herein by reference. The Statement of Additional
Information is available without charge by writing to the Fund at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling [(800) 824-1580]. It
is also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
An investment in the Fund offers the following advantages:
 
   
/ / Professional Management by a Leading Sub-adviser with Offices in the World's
    Major Markets
    
 
/ / Low $500 Minimum Investment
 
/ / Alternative Purchase Plan
 
/ / Automatic Dividend and Other Distribution Reinvestment at No Additional
    Sales Charge
 
/ / Exchange Privileges with the Corresponding Classes of the Other GT Global
    Mutual Funds
 
/ / Reduced Sales Charge Plans
 
/ / Dollar Cost Averaging Program
 
/ / Automatic Investment Plan
 
/ / Systematic Withdrawal Plan
 
   
FOR FURTHER INFORMATION, CALL
 
[(800) 824-1580] OR CONTACT YOUR FINANCIAL ADVISER.
    
 
- --------------------------------------------------------------------------------
 
THESE  SECURITIES  HAVE  NOT  BEEN APPROVED  OR  DISAPPROVED  BY  THE SECURITIES
 AND EXCHANGE  COMMISSION, NOR  HAS THE  SECURITIES AND  EXCHANGE  COMMISSION
   PASSED  ON  THE ACCURACY  OR  ADEQUACY OF  THIS  PROSPECTUS.         ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          7
Investment Objective and Policies.........................................................          9
How to Invest.............................................................................         14
How to Make Exchanges.....................................................................         22
How to Redeem Shares......................................................................         24
Shareholder Account Manual................................................................         26
Calculation of Net Asset Value............................................................         27
Dividends, Other Distributions and Federal Income Taxation................................         27
Management................................................................................         29
Other Information.........................................................................         33
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Fund:                                       The  Fund  is a  non-diversified series  of G.T.  Investment Funds  (the "Com-
                                                pany").
 
Investment Objective:          The  Fund  seeks  long-term  capital  appreciation  together  with
                               current income.
 
Principal Investments:         The Fund invests primarily in blue-chip equity securities and high
                               quality  government bonds of issuers  located in the United States
                               and throughout the world.
 
Principal Risk Factors:        There is no assurance  that the Fund  will achieve its  investment
                               objective.  The Fund's net asset  value will fluctuate, reflecting
                               fluctuations in the  market value of  its portfolio holdings.  The
                               value  of debt  securities held  by the  Fund generally fluctuates
                               inversely with interest rate  movements. Certain investment  grade
                               debt securities may possess speculative qualities.
 
                               The  Fund may invest in foreign securities. Investments in foreign
                               securities  involve  risks  relating  to  political  and  economic
                               developments abroad and the differences between the regulations to
                               which  U.S. and  foreign issuers  are subject.  Individual foreign
                               economies also may differ favorably  or unfavorably from the  U.S.
                               economy.  Changes in  foreign currency exchange  rates will affect
                               the Fund's net asset value, earnings and gains and losses realized
                               on sales of  securities. Securities  of foreign  companies may  be
                               less   liquid  and  their  prices  more  volatile  than  those  of
                               securities of comparable U.S. companies.
 
                               The Fund  may  engage in  certain  foreign currency,  options  and
                               futures transactions to attempt to hedge against the overall level
                               of  investment and  currency risk  associated with  its present or
                               planned investments. Such transactions  involve certain risks  and
                               transaction costs.
 
                               See "Investment Objective and Policies."
 
                               AIM  and  the  Sub-adviser and  their  worldwide  asset management
Investment Managers:           affiliates provide  investment  management  and/or  administrative
                               services to institutional, corporate and individual clients around
                               the  world. AIM and the Sub-adviser are both indirect wholly owned
                               subsidiaries of AMVESCAP  PLC. AMVESCAP PLC  and its  subsidiaries
                               are   an  independent  investment  management  group  that  has  a
                               significant presence in  the institutional and  retail segment  of
                               the  investment management  industry in North  America and Europe,
                               and a growing  presence in Asia.  AIM was organized  in 1976  and,
                               together   with  its  affiliates,   currently  advises  [over  50]
                               investment company portfolios. On                , 1998,  AMVESCAP
                               PLC acquired the Asset Management Division of Liechtenstein Global
                               Trust  AG ("GT"), which included the Sub-adviser and certain other
                               affiliates.
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
Alternative Purchase Plan:     Investors may select Class  A or Class B  shares, each subject  to
                               different  expenses and  a different sales  charge structure. Each
                               class has  distinct  advantages and  disadvantages  for  different
                               investors,  and investors should choose  the class that best suits
                               their circumstances and objectives. See "How to Invest."
 
  Class A Shares:              Offered at  net  asset  value plus  any  applicable  sales  charge
                               (maximum  is 4.75% of public offering  price) and subject to 12b-1
                               service and distribution fees at  the annualized rate of 0.35%  of
                               the average daily net assets of Class A shares.
 
                               Offered at net asset value with no initial sales charge (a maximum
  Class B Shares:              contingent  deferred sales charge of 5%  of net asset value at the
                               time of purchase or sale, whichever is less, is imposed on certain
                               redemptions made within six years of date of purchase) and subject
                               to 12b-1 service and distribution  fees at the annualized rate  of
                               1.00%  of the average daily net assets  of Class B shares. Class B
                               shares automatically convert to  Class A shares  of the same  Fund
                               eight  years following  the end of  the calendar month  in which a
                               purchase was made.  Class B  shares are subject  to higher  annual
                               expenses than Class A shares.
 
Shares Available Through:      Class  A and Class B  shares are available through broker/dealers,
                               banks   and   other   financial   service   entities   ("Financial
                               Institutions")  that have entered into  agreements with the Fund's
                               distributor, A I M Distributors, Inc. ("AIM Distributors"). Shares
                               also may  be acquired  by sending  an application  directly to  GT
                               Global  Investor Services, Inc. (the  "Transfer Agent") or through
                               exchanges of shares as  described below. See  "How to Invest"  and
                               "Shareholder Account Manual."
 
Exchange Privileges:           Shares  may be exchanged without a  sales charge for shares of the
                               corresponding class of the other GT Global Mutual Funds, which are
                               open-end  management  investment  companies  sub-advised  by   the
                               Sub-adviser.  In  addition, Class  A shares  may be  exchanged for
                               Class A shares  of some of  the mutual funds  that are advised  by
                               AIM,  distributed  by AIM  Distributors and  are  part of  The AIM
                               Family of Funds-Registered Trademark- ("The AIM Family of Funds").
                               See "How to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be  redeemed through Financial  Institutions that  sell
                               shares  of  the Fund  or the  Fund's Transfer  Agent. See  "How to
                               Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other            Dividends are  paid quarterly  from net  investment income;  other
  Distributions:               distributions  are paid annually from net short-term capital gain,
                               net capital gain and net gains from foreign currency transactions,
                               if any.
</TABLE>
    
 
   
THE AIM FAMILY OF FUNDS, THE AIM FAMILY OF FUNDS AND DESIGN (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS AND LA FAMILIA AIM DE FONDOS AND DESIGN ARE REGISTERED
SERVICE MARKS AND INVEST WITH DISCIPLINE AND AIM BANK CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
                               Prospectus Page 4
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
Reinvestment:                  Dividends and other distributions may be reinvested  automatically
                               in  Fund  shares of  the distributing  class or  in shares  of the
                               corresponding class  of other  GT Global  Mutual Funds  without  a
                               sales charge.
 
First Purchase:                $500 minimum ($100 for individual retirement accounts ("IRAs") and
                               reduced amounts for certain other retirement plans).
 
Subsequent Purchases:          $100  minimum ($25 for IRAs and  reduced amounts for certain other
                               retirement plans).
 
Net Asset Values:              Quoted daily in the financial section of most newspapers.
 
Other Features:
 
  Class A Shares:              Letter of Intent                  Dollar Cost Averaging Program
                               Quantity Discounts                Automatic Investment Plan
                               Right of Accumulation             Systematic Withdrawal Plan
                               Reinstatement Privilege           Portfolio Rebalancing Program
 
  Class B Shares:              Systematic Withdrawal Plan        Automatic Investment Plan
                               Portfolio Rebalancing Program     Dollar Cost Averaging Program
</TABLE>
    
 
                               Prospectus Page 5
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transactions costs
associated with investing in the Class A and Class B shares of the Fund are
reflected in the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                                                         CLASS A      CLASS B
                                                                                                       -----------  -----------
<S>                                                                                                    <C>          <C>
SHAREHOLDER TRANSACTION COSTS (2):
  Maximum sales charge on purchases of shares (as a % of offering price).............................       5.50%         None
  Sales charges on reinvested distributions to shareholders..........................................        None         None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is
    less)............................................................................................        None         5.0%
  Redemption charges.................................................................................        None         None
  Exchange Fees......................................................................................        None         None
ANNUAL FUND OPERATING EXPENSES (3):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees......................................................       0.97%        0.97%
  12b-1 distribution and service fees................................................................       0.35%        1.00%
  Other expenses (after reimbursements and waivers)..................................................       0.32%        0.32%
                                                                                                       -----------  -----------
Total Fund Operating Expenses........................................................................       1.64%        2.29%
                                                                                                       -----------  -----------
                                                                                                       -----------  -----------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                                                            ONE    THREE   FIVE     TEN
                                                                                            YEAR   YEARS   YEARS   YEARS+
                                                                                            ----   -----   -----   -----
<S>                                                                                         <C>    <C>     <C>     <C>
Class A Shares (4)........................................................................  $      $       $       $
Class B Shares:
    Assuming a complete redemption at end of period (5)...................................  $75    $105    $147    $
    Assuming no redemption................................................................  $23    $ 72    $124    $
</TABLE>
    
 
- ------------------
 
   
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. Long-term
    shareholders may pay more than the economic equivalent of the maximum
    front-end sales charges permitted by the National Association of Securities
    Dealers, Inc. rules regarding investment companies. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUND'S
    ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT EXPENSES, MAY BE MORE
    OR LESS THAN THOSE SHOWN. The tables and the assumption in the example of a
    5% annual return are required by regulation of the SEC applicable to all
    mutual funds. The 5% annual return is not a prediction of and does not
    represent the Fund's projected or actual performance.
    
 
(2) Sales charge waivers are available for Class A and Class B shares, and
    reduced sales charge purchase plans are available for Class A shares. The
    maximum 5% contingent deferred sales charge on Class B shares applies to
    redemptions during the first year after purchase; the charge generally
    declines by 1% annually thereafter, reaching zero after six years. See "How
    to Invest."
 
   
(3) Expenses are based on the Fund's fiscal year ended October 31, 1997. "Other
    expenses" include custody, transfer agent, legal, audit and other operating
    expenses. See "Management" herein and the Statement of Additional
    Information for more information. The Fund also offers Advisor Class shares,
    which are not subject to 12b-1 distribution and service fees, to certain
    categories of investors. See "How to Invest."
    
 
(4) Assumes payment of maximum sales charge by the investor.
 
(5) Assumes deduction of the applicable contingent deferred sales charge.
 
   
+   For Class B shares, this number reflects the conversion to Class A shares
    eight years following the end of the calendar month in which a purchase was
    made.
    
 
                               Prospectus Page 6
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Class B share of the Fund. This information
is supplemented by the financial statements and accompanying notes appearing in
the Statement of Additional Information. The financial statements and notes for
the fiscal year ended October 31, 1997 have been audited by
                      , independent accountants, whose report thereon also is
included in the Statement of Additional Information.
    
 
   
<TABLE>
<CAPTION>
                                                                 CLASS A+
                                --------------------------------------------------------------------------
                                                           YEAR ENDED OCT. 31,
                                --------------------------------------------------------------------------
                                1997(a)     1996      1995      1994      1993(a)       1992        1991
                                --------  --------  --------  --------    --------     -------     -------
<S>                             <C>       <C>       <C>       <C>         <C>          <C>         <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................  $   7.11  $   6.35  $   6.21  $   6.29    $   5.28     $  5.25     $  4.77
                                --------  --------  --------  --------    --------     -------     -------
Income from investment
 operations:
  Net investment income.......      0.21      0.22      0.24      0.22        0.24*       0.21*       0.27*
  Net realized and unrealized
   gain (loss) on
   investments................      1.12      0.82      0.13     (0.03)       1.05        0.10        0.47
                                --------  --------  --------  --------    --------     -------     -------
    Net increase (decrease)
     from investment
     operations...............      1.33      1.04      0.37      0.19        1.29        0.31        0.74
                                --------  --------  --------  --------    --------     -------     -------
Distributions:
  From net investment
   income.....................     (0.21)    (0.24)    (0.22)    (0.21)      (0.24)      (0.14)      (0.26)
  From net realized gain on
   investments................     (0.02)    (0.04)    (0.01)    (0.06)         --       (0.14)         --
  From sources other than net
   investment income..........        --        --        --        --       (0.04)         --          --
                                --------  --------  --------  --------    --------     -------     -------
    Total distributions.......     (0.23)    (0.28)    (0.23)    (0.27)      (0.28)      (0.28)      (0.26)
                                --------  --------  --------  --------    --------     -------     -------
                                --------  --------  --------  --------    --------     -------     -------
Net asset value, end of
 period.......................  $   8.21  $   7.11  $   6.35  $   6.21    $   6.29     $  5.28     $  5.25
                                --------  --------  --------  --------    --------     -------     -------
                                --------  --------  --------  --------    --------     -------     -------
Total investment return (e)...    19.01%    16.80%     6.27%     3.14%       25.1%        5.9%      15.68%
                                --------  --------  --------  --------    --------     -------     -------
                                --------  --------  --------  --------    --------     -------     -------
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $292,528  $286,203  $284,069  $317,847    $251,428     $27,754     $71,376
Ratio of net investment income
 to average net assets........     2.74%     3.17%     3.85%     3.30%        3.3%*       4.1%*       5.0%*
Ratio of expenses to average
 net assets:
  With expense reduction......     1.50%     1.59%     1.70%     1.67%        1.8%*       1.9%*       1.9%*
  Without expense reduction...     1.64%     1.66%     1.74%       N/A         N/A         N/A         N/A
Portfolio turnover rate +++...       50%       39%       83%      117%         24%         53%         46%
Average commission rate per
 share paid on portfolio
 transactions +++.............  $ 0.0151  $ 0.0139       N/A       N/A         N/A         N/A         N/A
<FN>
- ------------------
+    All capital shares issued and outstanding as of October 21, 1992 were
     reclassified as Class A shares.
+++  Portfolio turnover and average commission rates are calculated on the basis
     of the Fund as a whole without distinguishing between the classes of shares
     issued.
*    Includes reimbursement by the Sub-Adviser of Fund operating expenses of
     $0.005, $0.02, $0.03 and $0.01 for the years ended October 31, 1993, 1992,
     1991 and for the period from September 25, 1990 to October 31, 1990,
     respectively. Without such reimbursements, the expense ratios would have
     been 1.93%, 2.20%, 2.46% and 2.40% and the net investment income to average
     net assets would have been 3.20%, 3.70%, 4.40% and 1.04% for the years
     ended October 31, 1993, 1992, 1991 and for the period from September 25,
     1990 to October 31, 1990, respectively.
(a)  These selected per share data were calculated based upon average shares
     outstanding during the year.
(b)  Not annualized.
(c)  Annualized.
(d)  Ratios not meaningful due to short period of operation of Class B shares.
(e)  Total investment return does not include sales charges.
N/A  Not Applicable.
</TABLE>
    
 
                               Prospectus Page 7
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
<TABLE>
<CAPTION>
                                              CLASS A+                                CLASS B++
                                          -----------------   ----------------------------------------------------------
                                           SEPT. 25, 1990                                                       OCT. 22,
                                            (COMMENCEMENT                   YEAR ENDED OCT. 31,                 1992 TO
                                          OF OPERATIONS) TO   ------------------------------------------------  OCT. 31,
                                            OCT. 31, 1990     1997(a)     1996      1995      1994    1993(a)   1992(a)
                                          -----------------   --------  --------  --------  --------  --------  --------
<S>                                       <C>                 <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating Performance:
Net asset value, beginning of period....       $ 4.76         $   7.11  $   6.35  $   6.21  $   6.29  $   5.28  $  5.29
                                              -------         --------  --------  --------  --------  --------  --------
Income from investment operations:
  Net investment income.................         0.01*            0.16      0.17      0.20      0.18      0.20**    0.01
  Net realized and unrealized gain
   (loss) on investments................           --             1.13      0.82      0.13     (0.03)     1.05    (0.02)
                                              -------         --------  --------  --------  --------  --------  --------
    Net increase (decrease) from
     investment operations..............         0.01             1.29      0.99      0.33      0.15      1.25   (0.01)
                                              -------         --------  --------  --------  --------  --------  --------
Distributions:
  From net investment income............           --            (0.17)    (0.20)    (0.18)    (0.17)    (0.20)      --
  From net realized gain on
   investments..........................           --            (0.02)    (0.03)    (0.01)    (0.06)       --       --
  From sources other than net investment
   income...............................           --               --        --        --        --     (0.04)      --
                                              -------         --------  --------  --------  --------  --------  --------
    Total distributions.................           --            (0.19)    (0.23)    (0.19)    (0.23)    (0.24)      --
                                              -------         --------  --------  --------  --------  --------  --------
Net asset value, end of period..........       $ 4.77         $   8.21  $   7.11  $   6.35  $   6.21  $   6.29  $  5.28
                                              -------         --------  --------  --------  --------  --------  --------
                                              -------         --------  --------  --------  --------  --------  --------
Total investment return (e).............         0.2%(b)        18.28%    16.06%     5.57%     2.48%     24.3%   (0.2)%(b)
                                              -------         --------  --------  --------  --------  --------  --------
                                              -------         --------  --------  --------  --------  --------  --------
Ratios and supplemental data:
Net assets, end of period (in 000's)....       $9,486         $456,893  $383,966  $356,796  $359,242  $150,768  $   280
Ratio of net investment income to
 average net assets.....................         2.9%*(c)        2.09%     2.52%     3.20%     2.65%      2.6%**     N/A(d)
Ratio of expenses to average net assets:
  With expense reduction................         0.6%*(c)        2.15%     2.24%     2.35%     2.32%      2.5%**     N/A(d)
  Without expense reduction.............          N/A            2.29%     2.31%     2.39%       N/A       N/A      N/A
Portfolio turnover rate +++.............         None              50%       39%       83%      117%       24%      53%
Average commission rate per share paid
 on portfolio transactions +++..........          N/A         $ 0.0151  $ 0.0139       N/A       N/A       N/A      N/A
<FN>
- ------------------
+    All capital shares issued and outstanding as of October 21, 1992 were
     reclassified as Class A shares.
++   Commencing October 22, 1992 the Fund began offering Class B shares.
+++  Portfolio turnover and average commission rates are calculated on the basis
     of the Fund as a whole without distinguishing between the classes of shares
     issued.
*    Includes reimbursement by the Sub-adviser of Fund operating expenses of
     $0.005, $0.02, $0.03 and $0.01 for the years ended October 31, 1993, 1992,
     1991 and for the period from September 25, 1990 to October 31, 1990,
     respectively. Without such reimbursements, the expense ratios would have
     been 1.93%, 2.20%, 2.46% and 2.40% and the net investment income to average
     net assets would have been 3.20%, 3.70%, 4.40% and 1.04% for the years
     ended October 31, 1993, 1992, 1991 and for the period from September 25,
     1990 to October 31, 1990, respectively.
**   Includes reimbursement by the Sub-adviser of Fund operating expenses of
     $0.005. Without such reimbursements, the expense ratio would have been
     1.9%, and the net investment income to average net assets would have been
     3.2%.
(a)  These selected per share data were calculated based upon average shares
     outstanding during the year.
(b)  Not annualized.
(c)  Annualized.
(d)  Ratios not meaningful due to short period of operation of Class B shares.
(e)  Total investment return does not include sales charges.
N/A  Not Applicable.
</TABLE>
    
 
                            ------------------------
 
   
<TABLE>
<CAPTION>
                                                                                    AVERAGE MONTHLY NUMBER
                                                                AVERAGE MONTHLY               OF             AVERAGE AMOUNT
                                           AMOUNT OF DEBT       AMOUNT OF DEBT       REGISTRANT'S SHARES       OF DEBT PER
                                           OUTSTANDING AT     OUTSTANDING DURING      OUTSTANDING DURING      SHARE DURING
YEAR ENDED                                  END OF PERIOD         THE PERIOD              THE PERIOD           THE PERIOD
- ----------------------------------------  -----------------  ---------------------  ----------------------  -----------------
<S>                                       <C>                <C>                    <C>                     <C>
October 31, 1997........................         --                $  77,178               92,456,411           $  0.0008
</TABLE>
    
 
                               Prospectus Page 8
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
The Fund's investment objective is long-term capital appreciation together with
current income. The Fund seeks its objective by investing in a global portfolio
of both equity and debt securities, allocated among diverse international
markets. There is no assurance that the Fund's investment objective will be
achieved.
 
   
At least 65% of the Fund's total assets normally will be invested in a
combination of blue-chip equity securities and high quality government bonds.
The Fund considers an equity security to be "blue chip" if: (i) during the
issuer's most recent fiscal year the security offered an above average dividend
yield relative to the latest reported dividend yield on the Morgan Stanley
Capital International World Index; AND (ii) the total equity market
capitalization of the issuer is at least $1 billion. Government bonds are deemed
to be high quality if at the time of the Fund's investment they are rated within
one of the two highest ratings categories of Moody's Investors Service, Inc.
("Moody's") or by Standard & Poor's, a division of The McGraw-Hill Companies,
Inc. ("S&P"), or, if not rated, are deemed to be of equivalent quality in the
judgment of the Sub-adviser.
    
 
   
Up to 35% of the Fund's total assets may be invested in other equity securities
and investment grade government and corporate debt obligations which the
Sub-adviser believes will assist the Fund in achieving its objective.
"Investment grade" debt securities are those rated within one of the four
highest ratings categories of Moody's or S&P, or, if not rated, deemed to be of
equivalent quality in the judgment of the Sub-adviser.
    
 
Equity securities that the Fund may purchase include common stocks, preferred
stocks and warrants to acquire such stocks and other equity securities.
Government bonds that the Fund may purchase include debt obligations issued or
guaranteed by the United States or foreign governments (including foreign
states, provinces or municipalities) or their agencies, authorities or
instrumentalities and debt obligations of supranational entities organized or
supported by several national governments, such as the World Bank and the Asian
Development Bank. The debt obligations held by the Fund may include debt
obligations convertible into equity securities or having attached warrants or
rights to purchase equity securities. The Fund may purchase securities that are
issued by the government or a corporation or financial institution of one nation
but denominated in the currency of another nation (or a multinational currency
unit).
 
   
According to the Sub-adviser, as of the date of this Prospectus, more than 50%
of the total equity market capitalization worldwide is represented by non-U.S.
equity securities, and more than 50% of the value of all outstanding government
debt obligations throughout the world is represented by obligations denominated
in currencies other than the U.S. dollar. Moreover, from time to time the equity
and debt securities of issuers located outside the United States have
substantially outperformed the equity and debt securities of U.S. issuers.
Accordingly, the Sub-adviser believes that the Fund's policy of investing in a
global portfolio of equity and debt securities may enable the achievement of
long-term results superior to those produced by mutual funds with similar
objectives to that of the Fund that invest solely in U.S. equity and debt
securities.
    
 
   
SELECTION OF INVESTMENTS AND ASSET ALLOCATION. Consistent with the Fund's
investment objective, the Sub-adviser employs a conservative investment style in
managing the Fund's assets. In so doing the Sub-adviser attempts to limit
volatility and risk to capital. The Sub-adviser allocates the Fund's assets
among securities of countries and in currency denominations where opportunities
for meeting the Fund's investment objective are expected to be the most
attractive. The Sub-adviser attempts to identify those countries and industries
where economic and political factors are likely to produce above-average growth
rates and to further identify companies in such countries and industries that
are best positioned and managed to benefit from these factors.
    
 
The Fund currently contemplates that it will invest principally in securities of
issuers in the United States, Canada, Japan, Western Europe, New Zealand and
Australia. The Fund may invest substantially in securities denominated in one or
more currencies. Under normal conditions, the Fund invests in issuers of not
less than three different countries and issuers of any one country,
 
                               Prospectus Page 9
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
other than the United States, will represent no more than 40% of the Fund's
total assets.
 
   
The relative proportions of equity and debt securities held by the Fund at any
one time will vary, depending upon the Sub-adviser's assessment of global
political and economic conditions and the relative strengths and weaknesses of
the world equity and debt markets. To enable the Fund to respond to general
economic changes and market conditions around the world, the Fund is authorized
to invest up to 100% of its total assets in either equity securities or debt
securities.
    
 
   
In selecting equity securities for investment, the Sub-adviser attempts to
identify and acquire only securities it deems to represent high or improving
investment quality. Securities representing high investment quality generally
will include those of well-known, established and successful issuers that the
Sub-adviser believes will continue to be successful in the future. Securities
representing improving investment quality may include those of an issuer that
has improved its sales or earnings or of an issuer the balance sheet and
financial condition of which is improving. The Sub-adviser seeks to avoid
investing in equity securities that appear overly speculative or risky, even if
they have attractive features or investment potential.
    
 
   
In evaluating debt securities considered for the Fund, the Sub-adviser analyzes
their yield, maturity, issue classification and quality characteristics, coupled
with expectations regarding local and world economies, movements in the general
level and term of interest rates, currency values, political developments, and
variations in the supply of funds available for investment in the world bond
market relative to the demands placed upon it. There are no limitations on the
maximum or minimum maturities of the debt securities considered by the Fund or
on the average weighted maturity of the debt portion of the Fund's portfolio.
Should the rating of a debt security be revised while such security is owned by
the Fund, the Sub-adviser will evaluate what action, if any, is appropriate with
respect to such security.
    
 
   
The Sub-adviser generally evaluates currencies on the basis of fundamental
economic criteria (e.g., relative inflation and interest rate levels and trends,
growth rate forecasts, balance of payments status and economic policies) as well
as technical and political data. The Fund may seek to protect itself against
negative currency movements by engaging in hedging techniques through the use of
options, futures and forward currency contracts.
    
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy if
it determines such a strategy to be warranted due to market, economic or
political conditions. Under a defensive strategy, the Fund may hold cash (U.S.
dollars, foreign currencies or multinational currency units) and/or invest any
portion or all of its assets in high quality money market instruments of U.S. or
foreign issuers. In addition, for temporary defensive purposes, most or all of
the Fund's investments may be made in the United States and denominated in U.S.
dollars. To the extent the Fund adopts a temporary defensive posture, it will
not be invested so as to directly achieve its investment objective. In addition,
pending investment of proceeds from new sales of Fund shares or in order to meet
ordinary daily cash needs, the Fund may hold cash (U.S. dollars, foreign
currencies or multinational currency units) and may invest in foreign or
domestic high quality money market instruments. For a full description of money
market instruments in which the Funds or the Portfolio may invest, see
             in the Statement of Additional Information.
    
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND ROLL TRANSACTIONS. The Fund may
borrow from banks or may borrow through reverse repurchase agreements and "roll"
transactions in connection with meeting requests for the redemption of Fund
shares. The Fund also may borrow up to 5% of its total assets for temporary or
emergency purposes other than to meet redemptions. The Fund may borrow up to
33 1/3% of its total assets. However, the Fund will not purchase securities
while borrowings in excess of 5% of the Fund's total assets are outstanding. Any
borrowing by the Fund may cause greater fluctuation in the value of its shares
than would be the case if the Fund did not borrow.
 
A reverse repurchase agreement is a borrowing transaction in which the Fund
transfers possession of a security to another party, such as a bank or
broker/dealer, in return for cash, and agrees to repurchase the security in the
future at an agreed upon price which includes an interest component. A "roll"
borrowing transaction involves the Fund's sale of securities together with its
commitment (for which the Fund may receive a fee) to purchase similar, but not
identical, securities at a future date.
 
SECURITIES LENDING. The Fund may lend its portfolio securities to broker/dealers
or to other institutional investors. Securities lending allows the Fund to
retain ownership of the securities loaned and, at the same time, enhances the
Fund's total
 
                               Prospectus Page 10
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
return. The Fund limits its loans of portfolio securities to an aggregate of 30%
of the value of its total assets, measured at the time any such loan is made.
While a loan is outstanding, the borrower must maintain with the Fund's
custodian collateral consisting of cash, U.S. government securities or certain
irrevocable letters of credit equal to at least 100% of the value of the
borrowed securities, plus any accrued interest or such other collateral as
permitted by the Fund's investment program and regulatory agencies, and as
approved by the Board. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the securities and possible loss of rights in the
collateral should the borrower fail financially.
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally will not be registered with, nor the
issuers thereof be subject to the reporting requirements of the SEC.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available about domestic securities and issuers.
Foreign companies generally are not subject to uniform accounting, auditing and
financial reporting standards, practices and requirements comparable to those
applicable to domestic companies. In addition, certain costs attributable to
foreign investing, such as custody charges, are higher than those attributable
to domestic investing. Securities of some foreign companies are less liquid and
their prices may be more volatile than securities of comparable domestic
companies. The Fund's net investment income from foreign issuers may be subject
to non-U.S. withholding taxes, thereby reducing the Fund's net investment
income.
 
With respect to some foreign countries, there is the increased possibility of
expropriation or confiscatory taxation, limitations on the removal of funds or
other assets of the Fund, political or social instability, or diplomatic or
economic developments which could affect the Fund's investments in those
countries. Moreover, individual foreign economies may differ favorably or
unfavorably from the U.S. economy in such respects as growth of gross national
product, rate of inflation, rate of savings and capital reinvestment, resource
self-sufficiency and balance of payments positions. Investments in foreign
government securities involve special risks, including the risk that the
government issuers may be unable or unwilling to repay principal and interest
when due.
 
The Fund will also be affected favorably or unfavorably by exchange control
regulations or changes in the exchange rates between such currencies and the
U.S. dollar. Changes in currency exchange rates will influence the value of the
Fund's shares, and also may affect the value of dividends and interest earned by
the Fund and gains and losses realized by the Fund.
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. To attempt to increase
return, the Fund may write call options on securities. This strategy will be
employed only when, in the opinion of the Sub-adviser, the size of the premium
the Fund receives for writing the option is adequate to compensate the Fund
against the risk that appreciation in the underlying security may not be fully
realized if the option is exercised. The Fund also is authorized to write put
options to attempt to enhance return, although it does not have the current
intention of so doing.
    
 
The Fund may also use forward currency contracts, futures contracts, options on
securities, options on currencies, options on indices and options on futures
contracts to attempt to hedge against the overall level of investment and
currency risk normally associated with the Fund's investments. These instruments
are often referred to as "derivatives," which may be defined as financial
instruments whose performance is derived, at least in part, from the performance
of another asset (such as a security, currency, or an index of securities). The
Fund may enter into such instruments up to the full value of its portfolio
assets. See "Options, Futures and Currency Strategies" in the Statement of
Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, the Fund may enter into forward currency contracts for the purchase
or sale of a specified currency at a specified future date. Such contracts may
involve the purchase or sale of a foreign currency against the U.S. dollar, or
may involve two foreign currencies. The Fund may enter into forward currency
contracts either with respect to specific transactions or with respect to the
Fund's portfolio positions. The Fund also may purchase and sell put and call
options on currencies, futures contracts on currencies and options on such
futures contracts to hedge the Fund's portfolio against movements in exchange
rates.
 
   
In addition, the Fund may purchase and sell put and call options on equity and
debt securities to hedge against the risk of fluctuations in the prices of
securities held by the Fund or that the Sub-adviser intends to include in the
Fund's portfolio. The Fund
    
 
                               Prospectus Page 11
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
also may purchase and sell put and call options on stock indices to hedge
against overall fluctuations in the securities markets or in a specific market
sector.
 
Further, the Fund may sell index futures contracts and may purchase put options
or write call options on such futures contracts to protect against a general
market or a specific market sector decline that could adversely affect the
Fund's portfolio. The Fund also may purchase index futures contracts and
purchase call options or write put options on such contracts to hedge against a
general market or market sector advance and thereby attempt to lessen the cost
of future securities acquisitions. Similarly, the Fund may use interest rate
futures contracts and options thereon to hedge the debt portion of its portfolio
against changes in the general level of interest rates.
 
   
Although the Fund is authorized to enter into options, futures and forward
currency transactions, the Fund might not enter into any such transactions.
Options, futures and foreign currency transactions involve certain risks, which
include: (1) dependence on the Sub-adviser's ability to predict movements in the
prices of individual securities, fluctuations in the general securities markets
and movements in interest rates and currency markets; (2) imperfect correlation,
or even no correlation, between movements in the price of forward contracts,
options, futures contracts or options thereon and movements in the price of the
currency or security hedged or used for cover; (3) the fact that the skills and
techniques needed to trade options, futures contracts and options thereon or to
use forward currency contracts are different from those needed to select the
securities in which the Fund invests; (4) the lack of assurance that a liquid
secondary market will exist for any particular option, futures contract or
option thereon at any particular time; (5) the possible loss of principal under
certain conditions; and (6) the possible inability of the Fund to purchase or
sell a portfolio security at a time when it would otherwise be favorable for it
to do so, or the possible need for the Fund to sell a security at a
disadvantageous time, due to the need for the Fund to maintain "cover" or to set
aside securities in connection with hedging transactions.
    
 
OTHER POLICIES AND RISKS. The Fund's net asset value will fluctuate, reflecting
fluctuations in the market value of its portfolio positions. Equity securities,
particularly common stocks, generally represent the most junior position in an
issuer's capital structure, and entitle holders to an interest in the assets of
an issuer, if any, remaining after all more senior claims have been satisfied.
The value of equity securities held by the Fund will fluctuate in response to
general market and economic developments, as well as developments affecting the
particular issuers of such securities. In addition, the value of debt securities
held by the Fund generally will fluctuate with changes in the perceived
creditworthiness of the issuers of such securities and movements in interest
rates. Investment grade debt securities rated Baa by Moody's are described by
Moody's as having speculative characteristics, and therefore may be affected by
economic conditions and changes in the circumstances of their issuers to a
greater extent than higher rated bonds.
 
The Fund may invest up to 10% of its net assets in illiquid securities and other
securities for which no readily available market exists. The Fund may also
invest up to 5% of its total assets in a combination of securities purchased on
a when-issued basis or with respect to which it has entered into forward
commitment agreements.
 
The Fund is classified under the Investment Company Act of 1940, as amended
("1940 Act") as a "non-diversified" fund. As a result, the Fund will be able to
invest in a fewer number of issuers than if it were classified under the 1940
Act as a "diversified" fund. To the extent that the Fund invests in a smaller
number of issuers, the value of the Fund's shares may fluctuate more widely and
the Fund may be subject to greater investment and credit risk with respect to
its portfolio.
 
   
OTHER INFORMATION. The Fund's investment objective may not be changed without
the approval of a majority of the Fund's outstanding voting securities. A
"majority of the Fund's outstanding voting securities" means the lesser of (i)
67% of the shares represented at a meeting at which more than 50% of the
outstanding shares are represented, or (ii) more than 50% of the outstanding
shares. In addition, the Fund has adopted certain investment limitations which
also may not be changed without shareholder approval. A complete description of
these limitations is included in the Statement of Additional Information. Unless
specifically noted, the Fund's investment policies described in this Prospectus
and in the Statement of Additional Information may be changed by the Company's
Board of Trustees without shareholder approval. The Fund's policies regarding
lending, and the percentage of Fund assets that may be committed to borrowing,
are fundamental policies and may not be changed without shareholder approval. If
a percentage restriction on investment or utilization of assets in an investment
policy or
    
 
                               Prospectus Page 12
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
restriction is adhered to at the time an investment is made, a later change in
percentage ownership of a security or kind of securities resulting from changing
market values or a similar type of event will not be considered a violation of
the Fund's investment policies or restrictions.
    
 
   
The Fund is authorized to engage in Short Sales, although it currently has no
intention of doing so, and may purchase American Depository Receipts, American
Depository Shares, Global Depository Receipts and European Depository Receipts.
See "Short Sales" and "Depository Receipts," respectively, in the Investment
Objectives and Policies section of the Statement of Additional Information.
    
 
                               Prospectus Page 13
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Shares of the Fund may be purchased through Financial Institutions,
some of which may charge the investor a transaction fee. That fee will be in
addition to the sales charge payable by the investor, with respect to Class A
shares. Some of these Financial Institutions (or their designees) may be
authorized to accept purchase orders on behalf of the Fund. All purchase orders
will be executed at the public offering price next determined after the purchase
order is received, which includes any applicable sales charge for Class A
shares. Orders received by the Transfer Agent before the close of regular
trading on the New York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern
Time, unless weather, equipment failure or other factors contribute to an
earlier closing time) on any Business Day will be executed at the public
offering price for the applicable class of shares determined that day. Orders
received by authorized institutions (or their designees) before the close of
regular trading on the NYSE on a Business Day will be deemed to have been
received by the Fund on such day and will be effected that day, provided that
such orders are transmitted to the Transfer Agent prior to the time set for
receipt of such orders. A "Business Day" is any day Monday through Friday on
which the NYSE is open for business. Financial Institutions are responsible for
forwarding the investor's order to the Transfer Agent so that it will be
received prior to the required time.
    
 
   
The minimum initial investment is $500 ($100 for IRAs and $25 for custodial
accounts under Section 403(b)(7) of the Internal Revenue Code of 1986, as
amended (the "Code"), and other tax-qualified employer-sponsored retirement
accounts, if made under a systematic investment plan providing for monthly or
quarterly payments of at least that amount). The minimum for additional
purchases is $100 ($25 for IRAs, Code Section 403(b)(7) custodial accounts and
other tax-qualified employer-sponsored retirement accounts, as mentioned above).
THE FUND AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER AND
TO SUSPEND THE OFFERING OF SHARES FOR A PERIOD OF TIME. In particular, the Fund
and AIM Distributors may reject purchase orders or exchanges by investors who
appear to follow, in the Sub-adviser's judgment, a market-timing strategy or
otherwise engage in excessive trading. See "How to Make Exchanges -- Limitations
on Purchase Orders and Exchanges."
    
 
   
WHEN PLACING PURCHASE ORDERS, INVESTORS SHOULD SPECIFY WHETHER THE ORDER IS FOR
CLASS A OR CLASS B SHARES OF THE FUND. ALL PURCHASE ORDERS THAT FAIL TO SPECIFY
A CLASS WILL AUTOMATICALLY BE INVESTED IN CLASS A SHARES. AIM DISTRIBUTORS WILL
REJECT ANY ORDER FOR PURCHASE OF MORE THAN $250,000 FOR CLASS B SHARES.
    
 
   
PURCHASES THROUGH THE TRANSFER AGENT. After an initial investment is made and a
shareholder account is established through a Financial Institution, at the
investor's option, subsequent purchases may be made directly through the
Transfer Agent. See "Shareholder Account Manual." Investors may also make an
initial investment in the Fund and establish a shareholder account directly
through GT Global by completing and signing an Account Application accompanying
this Prospectus. Investors should mail to the Transfer Agent the completed
Application together with a check to cover the purchase in accordance with the
instructions provided in the Shareholder Account Manual. Purchases will be
executed at the public offering price next determined after the Transfer Agent
has received the Account Application and check. Subsequent investments do not
need to be accompanied by an application.
    
 
   
Investors also may purchase shares of the Fund by bank wire. Bank wire purchases
will be effected at the next determined public offering price after the bank
wire is received. A wire investment is considered received when the Transfer
Agent is notified that the bank wire has been credited to the Fund. The investor
is responsible for providing prior telephonic or facsimile notice to the
Transfer Agent that a bank wire is being sent. An investor's bank may charge a
service fee for wiring money to the Fund. The Transfer Agent currently does not
charge a service fee for facilitating wire purchases, but reserves the right to
do so in the future. Investors desiring to open an account by bank wire should
call the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual to obtain an account number and detailed
instructions.
    
 
                               Prospectus Page 14
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
CERTIFICATES. Physical certificates representing the Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of
the Fund are recorded on a register by the Transfer Agent, and shareholders who
do not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
of properly executed certificates is required. ACCORDINGLY, THE FUND RECOMMENDS
THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
    
 
DIFFERENCES BETWEEN THE CLASSES. The primary difference between the classes of
the Fund's shares offered through this Prospectus lies in their sales charge
structures and ongoing expenses, as summarized below. Class A and Class B shares
of the Fund represent interests in the same Fund and have the same rights,
except that each class bears the separate expenses of its 12b-1 distribution
plan and has exclusive voting rights with respect to such plan, each class can
experience other minor expense differences and, in addition to different sales
charges, each class has a separate exchange privilege.
 
   
The decision as to which class of shares is more beneficial to an investor
depends on the amount invested, the intended length of time the investment is
held and the investor's personal situation. Large investments may qualify for a
reduced Class A sales charge. Investors in Class B shares have 100% of the
purchase invested immediately. Consult your financial adviser. Financial
Institutions may receive different levels of compensation for selling a
particular class of shares.
    
 
   
ADVISOR CLASS SHARES. Advisor Class shares are offered through a separate
prospectus to [(a) trustees or other fiduciaries purchasing shares for employee
benefit plans that are sponsored by organizations that have at least 1,000
employees; (b) any account with assets of at least $10,000 if (i) a financial
planner, trust company, bank trust department or registered investment adviser
has investment discretion over the account and (ii) the account holder pays such
person as compensation for its advice and other services an annual fee of at
least .50% of the assets in the account; (c) any account with assets of at least
$10,000 if (i) the account is established under a "wrap fee" program and (ii)
the account holder pays the sponsor of the program an annual fee of at least
 .50% of the assets in the account; (d) accounts advised by one of the companies
composing or affiliated with AMVESCAP PLC; and (e) any of those companies.]
    
 
                           PURCHASING CLASS A SHARES
 
   
The Fund's public offering price for Class A shares is the next determined net
asset value per share (see "Calculation of Net Asset Value") including any sales
charge determined in accordance with the following schedule:
    
 
   
<TABLE>
<CAPTION>
                                                          DEALER
                        INVESTOR'S SALES CHARGE         CONCESSION
                    --------------------------------  ---------------
                         AS A             AS A             AS A
                      PERCENTAGE       PERCENTAGE       PERCENTAGE
AMOUNT OF               OF THE           OF THE           OF THE
INVESTMENT              PUBLIC             NET            PUBLIC
IN SINGLE              OFFERING          AMOUNT          OFFERING
TRANSACTION              PRICE          INVESTED           PRICE
- ------------------  ---------------  ---------------  ---------------
<S>                 <C>              <C>              <C>
Less than
  $25,000.........           5.50%            5.82%           4.75%
$25,000 but less
  than $50,000....           5.25             5.54            4.50
$50,000 but less
  than $100,000...           4.75             4.99            4.00
$100,000 but less
  than $250,000...           3.75             3.90            3.00
$250,000 but less
  than $500,000...           3.00             3.09            2.50
$500,000 but less
  than
  $1,000,000......           2.00             2.04            1.60
</TABLE>
    
 
   
PURCHASES OF $1,000,000 OR MORE ARE AT NET ASSET VALUE, SUBJECT TO A CONTINGENT
DEFERRED SALES CHARGE OF 1% IF SHARES ARE REDEEMED PRIOR TO 18 MONTHS FROM THE
DATE SUCH SHARES WERE PURCHASED. AIM Distributors may pay a dealer concession
and/or advance a service fee on such transactions. Shares purchased prior to
June 1, 1998 without a sales charge based on the aggregate purchase amount equal
to at least $500,000 are subject to a contingent deferred sales charge for the
first year after their purchase equal to 1% of the lower of the original
purchase price or the net asset value of such shares at the time of redemption.
    
 
   
Reductions in the initial sales charges shown in the sales charge tables
(quantity discounts) apply to purchases of Class A shares of the GT Global
Mutual Funds that are otherwise subject to an initial sales charge, provided
that such purchases are made by a "purchaser" as hereinafter defined. Purchases
of Class B shares of the GT Global Mutual Funds and The AIM Family of Funds will
not be taken into account in determining whether a
    
 
                               Prospectus Page 15
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
purchase qualifies for a reduction in initial sales charges.
    
 
   
The term "purchaser" means:
    
 
   
/ / an individual and his or her spouse and children, including any trust
    established exclusively for the benefit of any such person; or a pension,
    profit-sharing, or other benefit plan established exclusively for the
    benefit of any such person, such as an IRA, Roth IRA, a single-participant
    money- purchase/profit-sharing plan or an individual participant in a 403(b)
    Plan (unless such 403(b) plan qualifies as the purchaser as defined below);
    
 
   
/ / a 403(b) plan, the employer/sponsor of which is an organization described
    under Section 501(c)(3) of the Code, provided that:
    
 
   
  a. the employer/sponsor must submit contributions for all participating
     employees in a single contribution transmittal (i.e., the funds will not
     accept contributions submitted with respect to individual participants);
    
 
   
  b. each transmittal must be accompanied by a single check or wire transfer;
     and
    
 
   
  c. all new participants must be added to the 403(b) plan by submitting an
     application on behalf of each new participant with the contribution
     transmittal;
    
 
   
/ / a trustee or fiduciary purchasing for a single trust, estate or single
    fiduciary account (including a pension, profit-sharing or other employee
    benefit trust created pursuant to a plan qualified under Section 401 of the
    Code) and 457 plans, although more than one beneficiary or participant is
    involved;
    
 
   
/ / a Simplified Employee Pension ("SEP"), Salary Reduction and other Elective
    Simplified Employee Pension account ("SARSEP"), a Savings Incentive Match
    Plans for Employees IRA ("SIMPLE IRA") where the employer has notified AIM
    Distributors in writing that all of its related employee SEP, SARSEP or
    SIMPLE IRA accounts should be linked;
    
 
   
/ / any other organized group of persons, whether incorporated or not, provided
    the organization has been in existence for at least six months and has some
    purpose other than the purchase at a discount of redeemable securities of a
    registered investment company; or
    
 
   
/ / the discretionary advised accounts of AIM or A I M Capital Management, Inc.
    ("AIM Capital").
    
 
   
SALES CHARGE WAIVERS -- CLASS A SHARES. The following persons may purchase Class
A shares of the Fund through AIM Distributors without payment of an initial
sales charge: (a) AIM Management Group Inc. ("AIM Management") and its
affiliated companies; (b) any current or retired officer, director, trustee or
employee, or any member of the immediate family (including spouse, children,
parents and parents of spouse) of any such person, of AIM Management or its
affiliates or of certain mutual funds which are advised or managed by AIM; or
any trust established exclusively for the benefit of such persons; (c) any
employee benefit plan established for employees of AIM Management or its
affiliates; (d) any current or retired officer, director, trustee or employee,
or any member of the immediate family (including spouse, children, parents and
parents of spouse) of any such person, or of CIGNA Corporation or of any of its
affiliated companies, or of First Data Investor Services Group (formerly The
Shareholders Services Group, Inc.); (e) any investment company sponsored by
CIGNA Investments, Inc. or any of its affiliated companies for the benefit of
its directors' deferred compensation plans; (f) discretionary advised clients of
AIM or AIM Capital; (g) registered representatives and employees of dealers who
have entered into agreements with AIM Distributors (or financial institutions
that have arrangements with such dealers with respect to the sale of shares of
the GT Global Mutual Funds or funds of The AIM Family of Funds) and any member
of the immediate family (including spouse, children, parents and parents of
spouse) of any such person, provided that purchases at net asset value are
permitted by the policies of such person's employer; (h) certain broker-dealers,
investment advisers or bank trust departments that provide asset allocation,
similar specialized investment services or investment company transaction
services for their customers, that charge a minimum annual fee for such
services, and that have entered into an agreement with AIM Distributors with
respect to their use of the GT Global Mutual Funds or funds of The AIM Family of
the Funds in connection with such services; (i) employees of Triformis Inc.; (j)
shareholders of any of the GT Global Mutual Funds as of April 30, 1987 who since
that date continually have owned shares of one or more of the GT Global Funds;
and (k) certain former AMA Investment Advisers' shareholders who became
shareholders of the GT Global Health Care Fund in October 1989, and who have
continuously held
    
 
                               Prospectus Page 16
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
shares in the GT Global Mutual Funds since that time.
    
 
   
In addition, shares of any GT Global Mutual Fund may be purchased at net asset
value, without payment of a sales charge, by pension, profit-sharing or other
employee benefit plans created pursuant to a plan qualified under Section 401 of
the Code or plans under Section 457 of the Code, or employee benefit plans
created pursuant to Section 403(b) of the Code and sponsored by nonprofit
organizations defined under Section 501(c)(3) of the Code. Such plans will
qualify for purchases at net asset value provided that (1) the total amount
invested in the plan is at least $1,000,000, (2) the sponsor signs a $1,000,000
Letter of Intent, (3) such shares are purchased by an employer-sponsored plan
with at least 100 eligible employees, or (4) all of the plan's transactions are
executed through a single financial institution or service organization who has
entered into an agreement with AIM Distributors with respect to their use of the
GT Global Mutual Funds in connection with such accounts. Section 403(b) plans
sponsored by public educational institutions will not be eligible for net asset
value purchases based on the aggregate investment made by the plan or the number
of eligible employees. Participants in such plans will be eligible for reduced
sales charges based solely on the aggregate value of their individual
investments in the applicable GT Global Mutual Fund. AIM Distributors may pay
investment dealers or other financial service firms for share purchases of the
GT Global Mutual Funds sold at net asset value to an employee benefit plan in
accordance with this paragraph as follows: 1% of the first $2 million of such
purchases, plus 0.80% of the next $1 million of such purchases, plus 0.50% of
the next $17 million of such purchases, and plus 0.25% of amounts in excess of
$20 million of such purchases.
    
 
   
AIM DISTRIBUTORS AND ITS AGENTS RESERVE THE RIGHT AT ANY TIME (1) TO WITHDRAW
ALL OR ANY PART OF THE OFFERING MADE BY THIS PROSPECTUS; (2) TO REJECT ANY
PURCHASE OR EXCHANGE ORDER OR TO CANCEL ANY PURCHASE DUE TO NONPAYMENT OF THE
PURCHASE PRICE; (3) TO INCREASE, WAIVE OR LOWER THE MINIMUM INVESTMENT
REQUIREMENTS; OR (4) TO MODIFY ANY OF THE TERMS OR CONDITIONS OF PURCHASE OF
SHARES OF THE FUND. AIM Distributors and its agents will use their best efforts
to provide notice of any such actions through correspondence with broker-dealers
and existing shareholders, supplements to the GT Global Mutual Funds'
prospectuses, or other appropriate means, and will provide sixty (60) days'
notice in the case of termination or material modification to the exchange
privilege discussed under the caption "How to Make Exchanges."
    
 
REINSTATEMENT PRIVILEGE. Shareholders who redeem their Class A shares in the
Fund have a one-time privilege of reinstating their investment by investing the
proceeds of the redemption at net asset value without a sales charge in Class A
shares of the Fund and/or one or more of the other GT Global Mutual Funds. The
Transfer Agent must receive from the investor or the investor's broker/dealer
within 180 days after the date of the redemption both a written request for
reinvestment and a check not exceeding the amount of the redemption proceeds.
The reinstatement purchase will be effected at the net asset value per share
next determined after such receipt. Gain on the redemption is taxable
notwithstanding exercise of the reinvestment privilege although loss thereon
might not be deductible as a result of such exercise. See "Dividends, Other
Distributions and Federal Income Taxation."
 
   
REDUCED SALES CHARGE PLANS. Class A shares of the Fund may be purchased at
reduced sales charges either through the Right of Accumulation or under a Letter
of Intent. Investors should contact their Financial Institution or the Transfer
Agent for more information.
    
 
   
RIGHT OF ACCUMULATION. Pursuant to the Right of Accumulation, investors are
permitted to purchase shares of the Fund at the sales charge applicable to the
total of (a) the dollar amount then being purchased plus (b) the dollar amount
of the investor's concurrent purchases of other GT Global Mutual Funds (other
than GT Global Dollar Fund) and funds of The AIM Family of Funds plus (c) the
price of all shares of GT Global Mutual Funds (other than shares of GT Global
Dollar Fund not acquired by exchange) and funds of The AIM Family of Funds
already held by the investor. To receive the Right of Accumulation, at the time
of purchase investors must give their Financial Institution, the Transfer Agent
or AIM Distributors sufficient information to permit confirmation of
qualification. THE FOREGOING RIGHT OF ACCUMULATION APPLIES ONLY TO CLASS A
SHARES OF THE FUND AND OTHER GT GLOBAL MUTUAL FUNDS (OTHER THAN GT GLOBAL DOLLAR
FUND).
    
 
                               Prospectus Page 17
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
LETTER OF INTENT. In executing a Letter of Intent ("LOI"), an investor indicates
an aggregate investment amount he or she intends to invest in the Class A shares
of the Fund and the Class A shares of other GT Global Mutual Funds (other than
shares of GT Global Dollar Fund) in the following thirteen months. The LOI is
included as part of the Account Application located at the end of this
Prospectus. The sales charge applicable to that aggregate amount then becomes
the applicable sales charge on all purchases made concurrently with the
execution of the LOI and in the thirteen months following that execution. If an
investor executes an LOI within 90 days of a prior purchase of GT Global Mutual
Fund Class A shares (other than shares of GT Global Dollar Fund), the prior
purchase may be included under the LOI and an appropriate adjustment, if any,
with respect to the sales charges paid by the investor in connection with the
prior purchase will be made, based on the then-current net asset value(s) of the
pertinent Fund(s).
 
   
If at the end of the thirteen month period covered by the LOI the total amount
of purchases does not equal the amount indicated, the investor will be required
to pay the difference between the sales charges paid at the reduced rate and the
sales charges applicable to the purchases actually made. Shares having a value
equal to 5% of the amount specified in the LOI will be held in escrow during the
thirteen month period (while remaining registered in the investor's name) and
are subject to redemption to assure any necessary payment to AIM Distributors of
a higher applicable sales charge.
    
 
   
For purposes of an LOI, any registered investment adviser, trust company or bank
trust department which exercises investment discretion and which intends within
thirteen months to invest $500,000 or more can be treated as a single purchaser,
provided further that such entity places all purchase and redemption orders.
Such entities should be prepared to establish their qualification for such
treatment. THE FOREGOING LOI APPLIES ONLY TO CLASS A SHARES OF THE FUND AND
OTHER GT GLOBAL MUTUAL FUNDS (OTHER THAN GT GLOBAL DOLLAR FUND).
    
 
   
CONTINGENT DEFERRED SALES CHARGE. A CONTINGENT DEFERRED SALES CHARGE OF 1%
APPLIES TO PURCHASES OF CLASS A SHARES OF $1,000,000 OR MORE THAT ARE REDEEMED
WITHIN 18 MONTHS OF THE DATE OF PURCHASE. This charge will be 1% of the lesser
of the value of the shares redeemed (excluding reinvested dividends and capital
gain distributions) or the total original cost of such shares. In determining
whether a contingent deferred sales charge is payable, and the amount of any
such charge, shares not subject to the contingent deferred sales charge are
redeemed first (including shares purchased by reinvested dividends and capital
gains distributions and amounts representing increases from capital
appreciation), and then other shares are redeemed in the order of purchase. No
such charge will be imposed upon exchanges unless the shares acquired by
exchange are redeemed within 18 months of the date the shares were originally
purchased. For purposes of computing this 18 MONTH PERIOD, shares of any GT
Global Mutual Fund which were acquired through an exchange of shares which
previously were subject to the 1% contingent deferred sales charge will be
credited with the period of time such exchanged shares were held. The charge
will be waived in the following circumstances: (l) redemptions of shares by
employee benefit plans ("Plans") qualified under Sections 401 or 457 of the
Code, or Plans created under Section 403(b) of the Code and sponsored by
nonprofit organizations as defined under Section 501(c)(3) of the Code, where
shares are being redeemed in connection with employee terminations or
withdrawals, and (a) the total amount invested in a Plan is at least $1,000,000,
(b) the sponsor of a Plan signs a letter of intent to invest at least $1,000,000
in one or more of the GT Global Mutual Funds and AIM Funds, or (c) the shares
being redeemed were purchased by an employer-sponsored Plan with at least 100
eligible employees; provided, however, that Plans created under Section 403(b)
of the Code which are sponsored by public educational institutions shall qualify
under (a), (b) or (c) above on the basis of the value of each Plan participant's
aggregate investment in the GT Global Mutual Funds and AIM Funds, and not on the
aggregate investment made by the Plan or on the number of eligible employees;
(2) redemptions of shares following the death or post-purchase disability, as
defined in Section 72(m)(7) of the Code, of a shareholder or a settlor of a
living trust; (3) redemptions of shares purchased at net asset value by private
foundations or endowment funds where the initial amount invested was at least
$1,000,000; (4) redemptions of shares purchased by an investor in amounts of
$1,000,000 or more where such investor's dealer of record, due to the nature of
the investor's account, notifies AIM Distributors prior to the time of
investment that the dealer waives the payments otherwise payable to the dealer
by AIM Distributors;
    
 
                               Prospectus Page 18
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
and (5) pursuant to a Systematic Withdrawal Plan, provided that amounts
withdrawn under such plan do not exceed on an annual basis 12% of the value of
the shareholder's investment in Class A shares at the time the shareholder
elects to participate in the Systematic Withdrawal Plan. Shareholders who
purchased $500,000 or more of Class A shares prior to June 1, 1998 are entitled
to certain waivers of the contingent deferred sales charge on those shares as
described in the Statement of Additional Information under "Information Relating
to Sales and Redemptions--Sales Charge Waivers for Shares Purchased Prior to
June 1, 1998".
    
 
   
                           PURCHASING CLASS B SHARES
    
 
   
Class B shares may be redeemed on any business day at the net asset value per
share next determined following receipt of the redemption order, less the
applicable contingent deferred sales charge shown in the table below. No
deferred sales charge will be imposed (i) on redemptions of Class B shares
following six years from the date such shares were purchased, (ii) on Class B
shares acquired through reinvestments of dividends and distributions
attributable to Class B shares or (iii) on amounts that represent capital
appreciation in the shareholder's account above the purchase price of the Class
B shares.
    
 
   
<TABLE>
<CAPTION>
                              CONTINGENT DEFERRED SALES
                                CHARGE AS % OF DOLLAR
YEARS SINCE PURCHASE MADE     AMOUNT SUBJECT TO CHARGE
- ---------------------------  ---------------------------
<S>                          <C>
First......................              5%
Second.....................              4%
Third......................              3%
Fourth.....................              3%
Fifth......................              2%
Sixth......................              1%
Seventh and Following......             None
</TABLE>
    
 
   
In determining whether a contingent deferred sales charge is applicable, it will
be assumed that a redemption is made first, of any shares held in the
shareholder's account that are not subject to such charge; second, of shares
derived from reinvestment of dividends and distributions; third, of shares held
for more than six years from the date such shares were purchased; and fourth, of
shares held less than six years from the date such shares were purchased. The
applicable sales charge will be applied against the lesser of the current market
value of shares redeemed or their original cost.
    
 
For example, assume an investor purchased 100 shares at $10 per share for a cost
of $1,000. Subsequently, the shareholder acquired 15 additional shares through
dividend reinvestment. During the second year after the purchase the investor
decided to redeem $500 of his or her investment. Assuming at the time of the
redemption a net asset value of $11 per share, the value of the investor's
shares would be $1,265 (115 shares at $11 per share). The contingent deferred
sales charge would not be applied to the value of the reinvested dividend
shares. Therefore, the 15 shares currently valued at $165 would be redeemed
without a contingent deferred sales charge. The number of shares needed to fund
the remaining $335 of the redemption would equal 30.455. Using the lower of cost
or market price to determine the contingent deferred sales charge the original
purchase price of $10 per share would be used. The contingent deferred sales
charge calculation would therefore be 30.455 shares times $10 per share at a
contingent deferred sales charge rate of 4% (the applicable rate in the second
year after purchase) for a total contingent deferred sales charge of $12.18.
 
Class B shares that are acquired pursuant to the exchange privilege during a
tender offer by GT Global Floating Rate Fund, Inc. ("Floating Rate Fund") will
be subject, in lieu of the contingent deferred sales charge described above, to
a contingent deferred sales charge equivalent to the early withdrawal charge on
the common stock of the Floating Rate Fund. The purchase of Class B shares will
be deemed to have occurred at the time of the initial purchase of the Floating
Rate Fund's common stock.
 
   
For federal income tax purposes, the amount of the contingent deferred sales
charge will reduce the gain or increase the loss, as the case may be, realized
on a redemption. The amount of any contingent deferred sales charge will be
payable to AIM Distributors.
    
 
   
CONTINGENT DEFERRED SALES CHARGE WAIVERS. Contingent deferred sales charges on
Class B shares will be waived on redemptions (1) following the death or
post-purchase disability, as defined in Section 72(m)(7) of the Code, of a
shareholder or a settlor of a living trust (provided AIM Distributors is
notified of such death or post-purchase disability at the time of the redemption
request and is provided with satisfactory evidence of such death or
post-purchase disability), (2) in connection with certain distributions from
individual retirement accounts, custodial accounts maintained pursuant to Code
Section 403(b), deferred compensation plans qualified under Code Section 457 and
plans qualified under Code Section 401 (collectively, "Retirement Plans'), (3)
pursuant to a Systematic Withdrawal Plan, provided that amounts
    
 
                               Prospectus Page 19
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
withdrawn under such plan do not exceed on an annual basis 12% of the value of
the shareholder's investment in Class B shares at the time the shareholder
elects to participate in the Systematic Withdrawal Plan, (4) effected pursuant
to the right of a GT Global Mutual Fund to liquidate a shareholder's account if
the aggregate net asset value of shares held in the account is less than the
designated minimum account size described in this Prospectus of such GT Global
Mutual Fund, and (5) effected by AIM of its investment in Class B shares.
    
 
   
Waiver category (1) above applies only to redemptions of Class B shares held at
the time of death or initial determination of post-purchase disability. Waiver
category (2) above applies only to redemptions resulting from:
    
 
   
(i)  required minimum distributions to plan participants or beneficiaries who
    are age 70 1/2 or older, and only with respect to that portion of such
    distributions which does not exceed 12% annually of the participant's or
    beneficiary's account value in a particular GT Global Mutual Fund;
    
 
   
(ii) in-kind transfers of assets where the participant or beneficiary notifies
    AIM Distributors of such transfer no later than the time such transfer
    occurs;
    
 
   
(iii) tax-free rollovers or transfers of assets to another Retirement Plan
    invested in Class B shares of one or more GT Global Mutual Funds;
    
 
   
(iv) tax-free returns of excess contributions or returns of excess deferral
    amounts; and
    
 
   
(v) distributions upon the death or disability (as defined in the Code) of the
    participant or beneficiary.
    
 
   
Shareholders who purchased Class B shares prior to June 1, 1998 are entitled to
certain waivers of the contingent deferred sales charge on those shares as
described in the Statement of Additional Information under "Information Relating
to Sales and Redemptions--Sales Charge Waivers for Shares Purchased Prior to
June 1, 1998."
    
 
   
CONVERSION OF CLASS B SHARES. Class B shares automatically will convert into
Class A shares of the same Fund (together with a pro rata portion of all Class B
shares acquired through the reinvestment of dividends and distributions) eight
years from the end of the calendar month in which the purchase of Class B shares
was made. Following such conversion of Class B shares, investors will be
relieved of the higher Rule 12b-1 Plan payments associated with Class B shares.
    
 
            PROGRAMS APPLICABLE TO CLASS A SHARES AND CLASS B SHARES
 
   
AUTOMATIC INVESTMENT PLAN. Investors may purchase either Class A or Class B
shares of the Fund through the GT Global Automatic Investment Plan. Under this
Plan, an amount specified by the shareholder of $100 or more ($25 or more for
IRAs, Code Section 403(b)(7) custodial accounts and other tax-qualified
employer-sponsored retirement accounts) on a monthly or quarterly basis will be
sent to the Transfer Agent from the investor's bank for investment in the Fund.
Participants in the Automatic Investment Plan should not elect to receive
dividends or other distributions from the Fund in cash. A sales charge will be
applied to each automatic monthly purchase of Class A Fund shares in an amount
determined in accordance with the Right of Accumulation privilege described
above. To participate in the Automatic Investment Plan, investors should
complete the appropriate portion of the Supplemental Application provided at the
end of this Prospectus. Investors should contact their Financial Institution or
AIM Distributors for more information.
    
 
   
[DOLLAR COST AVERAGING PROGRAM. Investors may purchase either Class A or Class B
shares of the Fund through the GT Global Dollar Cost Averaging Program whereby a
shareholder invests the same dollar amount each month. Accordingly, the investor
purchases more shares when the Fund's net asset value is relatively low and
fewer shares when the Fund's net asset value is relatively high. This can result
in a lower average cost-per-share than if the shareholder followed a less
systematic approach. Dollar cost averaging does not assure a profit and does not
protect against loss in declining markets. Because such a program involves
continuous investment in securities regardless of fluctuating price levels of
such securities, investors should consider their financial ability to continue
purchases when prices are declining.
    
 
A participant in the GT Global Dollar Cost Averaging Program first designates
the size of his or her monthly investment in the Fund ("Monthly Investment")
after participation in the Program begins. The Monthly Investment must be at
least $1,000. The investor then will make an initial investment of at least
$10,000 in the GT Global Dollar Fund. Thereafter, each month an amount equal to
the specified Monthly Investment automatically
 
                               Prospectus Page 20
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
will be redeemed from the GT Global Dollar Fund and invested in Fund shares. A
sales charge will be applied to each automatic monthly purchase of Class A
shares of the Fund in an amount determined in accordance with the Right of
Accumulation privilege described above. Investors should contact their Financial
Institution or AIM Distributors for more information.]
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class(es) of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program nor
does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Fund and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Shareholders participating in
the Program may also participate in the Right of Accumulation, Letter of Intent,
and Dollar Cost Averaging programs. Certain Financial Institutions may charge a
fee for establishing accounts relating to the Program. Investors should contact
their Financial Institution or AIM Distributors for more information.
    
 
                               Prospectus Page 21
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
   
Shares of the Fund may be exchanged for shares of the same class of any other GT
Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical. Class A shares of the Fund also may be exchanged for Class A shares
of funds of The AIM Family of Funds and for AIM Cash Reserve Shares of the AIM
Money Market Fund. However, purchases of Class A shares of GT Global Mutual
Funds of $1,000,000 or more that are subject to a contingent deferred sales
charge may not be exchanged for Class A shares of AIM Limited Maturity Treasury
Fund, AIM Tax-Free Intermediate Fund, or AIM Tax-Exempt Cash Fund. Exchanges
into The AIM Family of Funds will be based on their respective net asset values
without imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES OF CLASS B SHARES. Although currently no exchanges are permitted
between the Fund and funds of The AIM Family of Funds with respect to Class B
shares, the Board of Trustees anticipates that such exchanges will be offered on
or about October 1, 1998.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds and The
AIM Family of Funds include the following:
    
 
   
  - AIM ADVISOR FLEX FUND
    
   
  - AIM ADVISOR INTERNATIONAL VALUE FUND
    
   
  - AIM ADVISOR LARGE CAP VALUE FUND
    
   
  - AIM ADVISOR MULTIFLEX FUND
    
   
  - AIM ADVISOR REAL ESTATE FUND
    
   
  - AIM AGGRESSIVE GROWTH FUND
    
   
  - AIM ASIAN GROWTH FUND
    
   
  - AIM BALANCED FUND
    
   
  - AIM BLUE CHIP FUND
    
   
  - AIM CAPITAL DEVELOPMENT FUND
    
   
  - AIM CHARTER FUND
    
   
  - AIM CONSTELLATION FUND
    
   
  - AIM EUROPEAN DEVELOPMENT FUND
    
   
  - AIM GLOBAL AGGRESSIVE GROWTH FUND
    
   
  - AIM GLOBAL GROWTH FUND
    
   
  - AIM GLOBAL INCOME FUND
    
   
  - AIM GLOBAL UTILITIES FUND
    
   
  - AIM HIGH INCOME MUNICIPAL FUND
    
   
  - AIM HIGH YIELD FUND
    
   
  - AIM INCOME FUND
    
   
  - AIM INTERMEDIATE GOVERNMENT FUND
    
   
  - AIM INTERNATIONAL EQUITY FUND
    
   
  - AIM LIMITED MATURITY TREASURY FUND
    
   
  - AIM MONEY MARKET FUND
    
   
  - AIM MUNICIPAL BOND FUND
    
   
  - AIM SELECT GROWTH FUND
    
   
  - AIM TAX-EXEMPT BOND FUND OF CONNECTICUT
    
   
  - AIM TAX-EXEMPT CASH FUND
    
   
  - AIM TAX-FREE INTERMEDIATE FUND
    
   
  - AIM VALUE FUND
    
   
  - AIM WEINGARTEN FUND
    
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
If an investor does not surrender all of his or her shares in an exchange, the
remaining balance in the investor's account after the exchange must be at least
$500. Exchange requests received in good order by the Transfer Agent before the
close of regular trading on the NYSE on any Business Day will be processed at
the net asset value calculated on that day. The terms of the exchange offer may
    
 
                               Prospectus Page 22
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
be modified at any time, on 60 days' prior written notice.
 
   
An investor interested in making an exchange should contact his or her Financial
Institution or the Transfer Agent to request the prospectus of the other GT
Global Mutual Fund(s) being considered. Certain Financial Institutions may
charge a fee for handling exchanges.
    
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange instructions to the
shareholder's Financial Institution or the Transfer Agent by telephone at the
appropriate toll-free number provided in the Shareholder Account Manual.
Exchange orders will be accepted by telephone provided that the exchange
involves only uncertificated shares on deposit in the shareholder's account or
for which certificates previously have been deposited. Shareholders
automatically have telephone privileges to authorize exchanges. The Fund, AIM
Distributors and the Transfer Agent will not be liable for any loss or damage
for acting in good faith upon instructions received by telephone and reasonably
believed to be genuine. The Fund employs reasonable procedures to confirm that
instructions communicated by telephone are genuine prior to acting upon
instructions received by telephone, including requiring some form of personal
identification, providing written confirmation of such transactions, and/or tape
recording of telephone instructions.
    
 
   
EXCHANGES BY MAIL. Exchange orders should be sent by mail to the shareholder's
Financial Institution or to the Transfer Agent at the address set forth in the
Shareholder Account Manual.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 23
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
Fund shares may be redeemed at their net asset value (subject to any applicable
contingent deferred sales charge for Class B shares or, in limited
circumstances, Class A shares) and redemption proceeds will be sent within seven
days of the execution of a redemption request. If a redeeming shareholder owns
more than one class of shares, the Shareholder must specify the class of shares
to be redeemed.
 
   
REDEMPTIONS THROUGH FINANCIAL INSTITUTIONS. Shareholders with accounts at
Financial Institutions which sell shares of the Fund may submit redemption
requests to such Financial Institutions. If the shares are held in the name of
the Financial Institution, the redemption must be made through the Financial
Institution. Financial Institutions may honor a redemption request either by
repurchasing shares from a redeeming shareholder at the net asset value next
determined after the Financial Institution receives the request or, as described
below, by forwarding such requests to the Transfer Agent (see "How to Redeem
Shares -- Redemptions Through the Transfer Agent"). Redemption proceeds normally
will be paid by check or, if offered by the Financial Institution, credited to
the shareholder's account at the Financial Institution at the election of the
shareholder. Financial Institutions may impose a service charge for handling
redemption transactions placed through them and may have other requirements
concerning redemptions. Accordingly, shareholders should contact their Financial
Institution for more details.
    
 
   
REDEMPTIONS THROUGH THE TRANSFER AGENT. Redemption requests may be transmitted
to the Transfer Agent by telephone or by mail, in accordance with the
instructions provided in the Shareholder Account Manual. Redemptions will be
effected at the net asset value (less any applicable contingent deferred sales
charge for Class B shares or, in limited circumstances, Class A shares) next
determined after the Transfer Agent has received the request or after an
Authorized Institution has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institution. A notary public is not an
acceptable guarantor. A shareholder with questions concerning the Fund's
signature guarantee requirement should contact the Transfer Agent.
    
 
Shareholders may qualify to have redemption proceeds sent to a Pre-Designated
Account by completing the appropriate section of the Account Application at the
end of this Prospectus. Shareholders with Pre-Designated Accounts should request
that redemption proceeds be sent either by bank wire or by check. The minimum
redemption amount for a bank wire is $500. Shareholders requesting a bank wire
should allow two business days from the time the redemption request is effected
for the proceeds to be deposited in the shareholder's Pre-Designated Account.
See "How to Redeem Shares -- Other Important Redemption Information."
Shareholders may change their Pre-Designated Accounts only by a letter of
instruction to the Transfer Agent containing all account signatures, each of
which must be guaranteed. The Transfer Agent currently does not charge a bank
wire service fee for each wire redemption sent but reserves the right to do so
in the future. The shareholder's bank may charge a bank wire service fee.
 
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual.
 
                               Prospectus Page 24
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
Shareholders who hold certificates for shares may not redeem by telephone.
REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR FIFTEEN DAYS FOLLOWING ANY
CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Fund, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
SYSTEMATIC WITHDRAWAL PLAN. Shareholders owning shares with a value of $10,000
or more may participate in the GT Global Systematic Withdrawal Plan. A
participating shareholder will receive proceeds from monthly, quarterly or
annual redemptions of Fund shares with respect to either Class A or Class B
shares. No contingent deferred sales charge will be imposed on redemptions made
under the Systematic Withdrawal Plan. The minimum withdrawal amount is $100. The
amount or percentage a participating shareholder specifies to be redeemed may
not, on an annualized basis, exceed 12% of the value of the account, as of the
time the shareholder elects to participate in the Systematic Withdrawal Plan. To
participate in the Systematic Withdrawal Plan, investors should complete the
appropriate portion of the Supplemental Application provided at the end of this
Prospectus. Investors should contact their Financial Institution or the Transfer
Agent for more information. With respect to Class A shares, participation in the
Systematic Withdrawal Plan concurrent with purchases of Class A shares of the
Fund may be disadvantageous to investors because of the sales charges involved
and possible tax implications, and therefore is discouraged. In addition,
shareholders who participate in the Systematic Withdrawal Plan should not elect
to reinvest dividends or other distributions in additional Fund shares.
Systematic withdrawal plans offered by Financial Institutions may have different
features. Accordingly, shareholders should contact their Financial Institution
for more details.
    
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in doubt as to what documents are required should contact
his or her Financial Institution or the Transfer Agent.
    
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone or in
writing will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which the Fund has not
yet received good payment, the Fund may delay payment of redemption proceeds
until the Transfer Agent has assured itself that good payment has been collected
for the purchase of the shares. In the case of purchases by check it can take up
to 10 business days to confirm that the check has cleared and good payment has
been received. Redemption proceeds will not be delayed when shares have been
paid for by wire or when the investor's account holds a sufficient number of
shares for which funds already have been collected.
 
The Fund may redeem the shares of any shareholder whose account is reduced to
less than $500 in value through redemptions or other action by the shareholder.
Written notice will be given to the shareholder at least 60 days prior to the
date fixed for such redemption, during which time the shareholder may increase
his or her holdings to an aggregate amount of $500 or more (with a minimum
purchase of $100).
 
                               Prospectus Page 25
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
   
Shareholders are encouraged to place purchase, exchange and redemption orders
through their Financial Institutions. Shareholders also may place such orders
directly through the Transfer Agent in accordance with this Manual. See "How to
Invest;" "How to Make Exchanges;" "How to Redeem Shares;" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
    
 
The Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send completed Account Application (if initial purchase) or letter stating Fund
name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
An investor opening a new account should call 1-800-223-2138 to obtain an
account number. WITHIN SEVEN DAYS OF PURCHASE SUCH AN INVESTOR MUST SEND A
COMPLETED ACCOUNT APPLICATION CONTAINING THE INVESTOR'S CERTIFIED TAXPAYER
IDENTIFICATION NUMBER MUST BE SENT TO THE ADDRESS PROVIDED ABOVE UNDER
"INVESTMENTS BY MAIL." Wire instructions must state Fund name, class of shares,
shareholder's registered name and account number. Bank wires should be sent
through the Federal Reserve Bank Wire System to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures should call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 26
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
The Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing time) each Business Day. The
Fund's net asset value per share is computed by determining the value of its
total assets (the securities it holds plus any cash or other assets, including
the interest accrued but not yet received), subtracting all of its liabilities
(including accrued expenses), and dividing the result by the total number of
shares outstanding at such time. Net asset value is determined separately for
each class of the Fund.
 
   
Equity securities are valued at the last sale price on the exchange or in the
over-the-counter market in which such securities are primarily traded, as of the
close of business on the day the securities are being valued or, lacking any
sales, at the last available bid price. Long-term obligations are valued at the
mean of representative quoted bid and asked prices for such securities or, if
such prices are not available, at prices for securities of comparable maturity,
quality and type; however, when the Sub-adviser deems it appropriate, prices
obtained from a bond pricing service will be used. Short-term debt investments
are amortized to maturity based on their cost, adjusted for foreign exchange
translation and market fluctuations, provided such valuations represent fair
value. When market quotations for futures and options positions held by the Fund
are readily available, those positions are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's Board of Trustees. Securities and other assets quoted
in foreign currencies are valued in U.S. dollars based on the prevailing
exchange rates on that day.
    
 
The Fund's portfolio securities, from time to time, may be listed primarily on
foreign exchanges or over-the-counter dealer markets that trade on days when the
NYSE is closed (such as a Saturday). As a result, the net asset value of the
Fund may be significantly affected by such trading on days when shareholders
cannot purchase or redeem shares of the Fund.
 
The different service and distribution fees borne by each class of shares of the
Fund will result in different net asset values. The per share net asset value of
the Class B shares of the Fund generally will be lower than that of the Class A
shares of that Fund because of the higher service and distribution fees borne by
the Class B shares. The per share net asset value of the Advisor Class shares of
the Fund generally will be higher than that of the Class A and Class B shares of
the Fund because of the absence of any service and distribution fees applicable
to the Advisor Class shares. It is expected, however, that the net asset value
per share of the classes will tend to converge immediately after the payment of
dividends, which will differ by approximately the amount of the service and
distribution fee accrual differential among the classes.
 
- --------------------------------------------------------------------------------
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. The Fund declares and pays quarterly
dividends from its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less applicable expenses. The Fund also annually distributes
substantially all of its realized net short-term capital gain (the excess of
short-term capital gains over short-term capital losses), net capital gain (the
excess of net long-term capital gain over net short-term loss) and net gains
from foreign currency transactions, if any. The Fund may make an additional
dividend or other distribution
 
                               Prospectus Page 27
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
if necessary to avoid a 4% excise tax on certain undistributed income and gain.
 
Dividends and other distributions paid by the Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Class B shares will be lower than the per share income
dividends on Class A shares as a result of the higher service and distribution
fees applicable to Class B shares; and the per share income dividends on both
such classes of shares will be lower than the per share income dividends on the
Advisor Class shares as a result of the absence of any service and distribution
fees applicable to Advisor Class shares. SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Fund shares of the distributing class (or in shares of the
    corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional shares are made at net asset value without
imposition of a sales charge. IF NO ELECTION IS MADE BY A SHAREHOLDER, ALL
DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY REINVESTED IN ADDITIONAL
FUND SHARES OF THE DISTRIBUTING CLASS. Reinvestments in another GT Global Mutual
Fund may only be directed to an account with the identical shareholder
registration and account number. These elections may be changed by a shareholder
at any time; to be effective with respect to a distribution, the shareholder or
the shareholder's broker must contact the Transfer Agent by mail or telephone at
least 15 Business Days prior to the payment date. THE FEDERAL INCOME TAX
CONSEQUENCES OF DIVIDENDS AND OTHER DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE
RECEIVED IN CASH OR REINVESTED IN ADDITIONAL SHARES.
 
Any dividend or other distribution paid by the Fund has the effect of reducing
the net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. The Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that the Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders.
 
Dividends from the Fund's investment company taxable income (whether paid in
cash or reinvested in additional shares) are taxable to its shareholders as
ordinary income to the extent of its earnings and profits. Distributions of the
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, the Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
The Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions
 
                               Prospectus Page 28
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
designates the portions thereof subject to the different maximum rates of tax
applicable to noncorporate taxpayers' net capital gain indicated above.
 
The Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with the
Fund.
 
   
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares (which normally
includes any initial sales charge paid on Class A shares). An exchange of Fund
shares for shares of another GT Global Mutual Fund or a fund of The AIM Family
of Funds generally will have similar tax consequences. However, special tax
rules apply when a shareholder (1) disposes of Class A shares of the Fund
through a redemption or exchange within 90 days after purchase and (2)
subsequently acquires Class A shares of the Fund or of any other GT Global
Mutual Fund or a fund of The AIM Family of Funds on which an initial sales
charge normally is imposed without paying that sales charge due to the
reinstatement privilege or exchange privilege. In these cases, any gain on the
disposition of the original Class A shares will be increased, or loss decreased,
by the amount of the sales charge paid when those shares were acquired, and that
amount will increase the adjusted basis of the shares subsequently acquired. In
addition, if Fund shares are purchased within 30 days before or after redeeming
other Fund shares (regardless of class) at a loss, all or a part of the loss
will not be deductible and instead will increase the basis of the newly
purchased shares.
    
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting the Fund and its shareholders. See "Taxes" in
the Statement of Additional Information for a further discussion. There may be
other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
 
- --------------------------------------------------------------------------------
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's Board of Trustees has overall responsibility for the operation of
the Fund. The Company's Board of Trustees has approved all significant
agreements between the Company on the one side and persons or companies
furnishing services to the Fund on the other, including the investment advisory
and administrative services agreement with AIM, the investment sub-advisory and
sub-administration agreement with the Sub-adviser, the agreements with AIM
Distributors regarding distribution of the Fund's shares, the agreement with
State Street Bank and Trust Company as the custodian and the transfer agency
agreement with GT Global Investors Services, Inc., an affiliate of the
Sub-adviser. The day-to-day operations of the Fund are delegated to the officers
of the Company, subject always to the objective and policies of the Fund and to
the general supervision of the Company's Board of Trustees.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Fund's investment managers and administrators include, but
are not limited to, determining the composition of the Fund's portfolio and
placing orders to buy, sell or hold particular securities; furnishing corporate
officers and clerical staff; providing office space, services and equipment; and
supervising all matters relating to the Fund's operation. For these services,
the Fund pays AIM investment management and administration fees, computed daily
and paid monthly, based on the
    
 
                               Prospectus Page 29
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
average daily net assets, at the annualized rate of .975% on the first $500
million, .95% on the next $500 million, .925% on the next $500 million and .90%
on amounts thereafter. Out of the aggregate fees payable by the Fund, AIM pays
the Sub-adviser sub-advisory and sub-administration fees equal to 40% of the
aggregate fees AIM receives from the Fund. The investment management and
administration fees paid by the Fund are higher than those paid by most mutual
funds. AIM has undertaken to limit the Fund's expenses (exclusive of brokerage
commissions, taxes, interest and extraordinary expenses) to the annual rate of
1.75% and 2.40% of the average daily net assets of the Fund's Class A and Class
B shares, respectively.
    
 
   
The Sub-adviser also serves as the Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion and allocating the result according to each
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to the Fund pursuant to a master investment advisory
agreement, dated as of               , 1998 (the "Advisory Agreement"). AIM was
organized in 1976 and, together with its subsidiaries, manages or advises over
50 investment company portfolios encompassing a broad range of investment
objectives. The Sub-adviser, 50 California Street, 27th Floor, San Francisco,
California 94111, and 1166 Avenue of the Americas, New York, New York 10036,
serves as the sub-adviser to the Fund pursuant to an investment sub-advisory
agreement dated as of               , 1998. On May   , 1998, Liechtenstein
Global Trust AG ("GT"), the former indirect parent organization of the Sub-
adviser, consummated a purchase agreement with AMVESCAP PLC pursuant to which
AMVESCAP PLC acquired GT's Asset Management Division, which includes the
Sub-adviser and certain other affiliates. As a result of this transaction, the
Sub-adviser is now an indirect wholly owned subsidiary of AMVESCAP PLC. Prior to
the sale, the Sub-adviser and its worldwide asset management affiliates provided
investment management and/or administrative services to institutional, corporate
and individual clients around the world since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking each Fund's investment
objective.
    
 
                               Prospectus Page 30
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
The investment professionals primarily responsible for the portfolio management
of the Fund are as follows:
 
                              GROWTH & INCOME FUND
 
   
<TABLE>
<CAPTION>
                            RESPONSIBILITIES FOR                              BUSINESS EXPERIENCE
NAME/OFFICE                       THE FUND                                      LAST FIVE YEARS
- ------------------  ------------------------------------  ------------------------------------------------------------
<S>                 <C>                                   <C>
Nicholas S. Train   Portfolio Manager for since Fund      Head of investment for the United Kingdom and Europe for the
 London              inception in 1990                     Sub-adviser and GT Asset Management PLC (London) ("GT Asset
                                                           Management"), an affiliate of the Sub-adviser, since 1996.
                                                           Portfolio Manager for the Sub-adviser and GT Asset
                                                           Management from 1984 to 1996.
Paul Griffiths      Portfolio Manager since 1995          Portfolio Manager for the Sub-adviser and GT Asset
 London                                                    Management since 1994; from 1993 to 1994, Global Bond Fund
                                                           Manager, Lazard Investors; from 1991 to 1993, Global Bond
                                                           Fund manager, Sanwa International PLC.
</TABLE>
    
 
                            ------------------------
 
   
In placing securities orders for the Fund's portfolio transactions, the
Sub-adviser seeks to obtain the best net results. Consistent with its obligation
to obtain the best net results, the Sub-adviser may consider a broker/dealer's
sale of shares of the GT Global Mutual Funds as a factor in considering through
whom portfolio transactions will be effected. Brokerage transactions may be
executed through affiliates of AIM or the Sub-adviser.
    
 
   
DISTRIBUTION OF FUND SHARES. The Company has entered into master distribution
agreements relating to the Fund (the "Distribution Agreements"), dated
              , 1998, with AIM Distributors, a registered broker/dealer and a
wholly owned subsidiary of AIM. The address of AIM Distributors is P.O. Box
4739, Houston, Texas 77210-4739. The Distribution Agreements provide AIM
Distributors with the exclusive rights to distribute shares of the Fund directly
and through institutions with whom AIM Distributors has entered into selected
dealer agreements. Under the Distribution Agreements, AIM Distributors acts as
the distributor of Class A and Class B shares of the Fund. As distributor, AIM
Distributors collects the sales charges imposed on purchases of Class A shares
and any contingent deferred sales charges that may be imposed on certain
redemptions of Class A or Class B shares. AIM Distributors reallows a portion of
the sales charge on Class A shares to broker/ dealers that have sold such shares
in accordance with the schedule set forth above under "How to Invest." AIM
Distributors also pays a commission equal to 4.00% of the amount invested to
broker/ dealers who sell Class B shares. From time to time, AIM Distributors may
pay commissions in excess of these amounts. Commissions are not paid on
exchanges or certain reinvestments in Class B shares. In addition, with respect
to both classes of shares, AIM Distributors makes ongoing payments to
broker/dealers for distribution and service activities in accordance with the
Rule 12b-1 plans described below.
    
 
   
AIM Distributors, at its own expense, may provide additional promotional
incentives to broker/ dealers that sell shares of the Fund and/or shares of the
other GT Global Mutual Funds. In some instances additional compensation or
promotional incentives may be offered to brokers that have sold or may sell
significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to broker/dealers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and lodging)
incurred by sales personnel and members of their families or other invited
guests to various locations for such seminars or training programs, seminars for
the public, advertising and sales campaigns regarding one or more of the GT
Global Mutual Funds, and/ or other events sponsored by the broker/dealers. In
addition, AIM Distributors makes ongoing payments to brokerage firms, financial
institutions (including banks) and others that facilitate the administration and
servicing of shareholder accounts.
    
 
   
AIM Distributors may elect to re-allow the entire initial sales charge to
dealers for all sales with respect to which orders are placed with AIM
Distributors during a particular period. Dealers to whom substantially the
entire sales charge is re-allowed may be deemed to be "underwriters" as that
term is defined under the Securities Act of 1933.
    
 
   
In addition to amounts paid to dealers as a dealer concession out of the initial
sales charge paid by investors, AIM Distributors may, from time to time, at its
expense or as an expense for which it may be compensated under a distribution
plan, if
    
 
                               Prospectus Page 31
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
applicable, pay a bonus or other consideration or incentive to dealers who sell
a minimum dollar amount of the shares of the GT Global Mutual Funds during a
specified period of time. In some instances, these incentives may be offered
only to certain dealers who have sold or may sell significant amounts of shares.
At the option of the dealer, such incentives may take the form of payment for
travel expenses, including lodging, incurred in connection with trips taken by
qualifying registered representatives and their families to places within or
outside the United States. The total amount of such additional bonus payments or
other consideration shall not exceed 0.25% of the public offering price of the
shares sold. Any such bonus or incentive programs will not change the price paid
by investors for the purchase of the applicable GT Global Mutual Fund's shares
or the amount that any particular GT Global Mutual Fund will receive as proceeds
from such sales. Dealers may not use sales of the GT Global Mutual Funds' shares
to qualify for any incentives to the extent that such incentives may be
prohibited by the laws of any state.
    
 
   
AIM Distributors may make payments to dealers and institutions who are dealers
of record for purchases of $1 million or more of Class A shares (or shares which
normally involve payment of initial sales charges), which are sold at net asset
value and are subject to a contingent deferred sales charge as follows: 1% of
the first $2 million of such purchases, plus 0.80% of the next $1 million of
such purchases, plus 0.50% of the next $l7 million of such purchases, plus 0.25%
of amounts in excess of $20 million of such purchases.
    
 
   
AIM Distributors may pay sales commissions to dealers and institutions who sell
Class B shares of the GT Global Mutual Funds at the time of such sales. Payments
with respect to Class B shares will equal 4.00% of the purchase price of the
Class B shares sold by the dealer or institution and will consist of a sales
commission equal to 3.75% of the purchase price of the Class B shares sold plus
an advance of the first year service fee of 0.25% with respect to such shares.
The portion of the payments to AIM Distributors under the Class B Plan which
constitutes an asset-based sales charge (0.75%) is intended in part to permit
AIM Distributors to recoup a portion of such sales commissions plus financing
costs.
    
 
   
The Company has adopted a Master Distribution Plan applicable to Class A shares
of the Fund (the "Class A Plan") pursuant to Rule 12b-1 under the 1940 Act, to
compensate AIM Distributors for the purpose of financing any activity that is
intended to result in the sale of Class A shares of the Fund. Under the Class A
Plan, the Company compensates AIM Distributors an aggregate amount of 0.50% of
the average daily net assets of Class A shares of the Fund.
    
 
   
The Company also has adopted a Master Distribution Plan applicable to Class B
shares of the Fund (the "Class B Plan"). Under the Class B Plan, the Fund pays
compensation to AIM Distributors at an annual rate of 1.00% of the average daily
net assets of Class B shares of the Fund.
    
 
   
The Class A Plan and the Class B Plan (together, the "Plans") are designed to
compensate AIM Distributors for certain promotional and other sales-related
costs, and to implement a dealer incentive program that provides for periodic
payments to selected dealers who furnish continuing personal shareholder
services to their customers who purchase and own Class A and Class B shares of
the Fund. Payments also can be directed by AIM Distributors to selected dealers
and financial institutions who have entered into service agreements with respect
to Class A and Class B shares of the Fund and who provide continuing personal
services to their customers who own Class A and Class B shares of the Fund. The
service fees payable to selected dealers and financial institutions are
calculated at the annual rate of 0.25% of the average daily net asset value of
those Fund shares that are held in such institution's or dealer's customers'
accounts that were purchased on or after a prescribed date set forth in the
Plans. Any amounts not payable as a service fee would constitute an asset-based
sales charge. Payments under the Plans are subject to any applicable limitations
imposed by the rules of the National Association of Securities Dealers, Inc.
    
 
   
The Plans do not obligate the Fund to reimburse AIM Distributors for the actual
expenses AIM Distributors may incur in fulfilling its obligations under the
Plans. Thus, even if AIM Distributors' actual expenses exceed the fee payable to
AIM Distributors thereunder at any time, the Fund will not be obligated to pay
more than that fee. If AIM Distributors' expenses are less than the fee it
receives, AIM Distributors will retain the full amount of the fee.
    
 
   
Under the Plans, AIM Distributors may in its discretion from time to time agree
to waive voluntarily all or any portion of its fee that has not been assigned or
transferred, while retaining its ability to be reimbursed for such fee prior to
the end of each fiscal year.
    
 
                               Prospectus Page 32
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
Under the Plans, certain financial institutions which have entered into service
agreements and which sell shares of the Fund on an agency basis, may receive
payments from the Fund pursuant to the respective Plans. AIM Distributors does
not act as principal, but rather as agent for the Fund, in making such payments.
For additional information concerning the operation of the Plans see the
Statement of Additional Information.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. If a bank were prohibited from so acting, its
shareholder clients would be permitted to remain shareholders, and alternative
means for continuing the servicing of such shareholders would be sought. It is
not expected that shareholders would suffer any adverse financial consequences
as a result of any of these occurrences.
    
 
- --------------------------------------------------------------------------------
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in the Fund, the shareholder will receive from
the Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to the Fund's Automatic
Investment Plan, Systematic Withdrawal Plan, and automatic dividend reinvestment
program may be provided quarterly. Shortly after the end of the Fund's fiscal
year on October 31 and fiscal half-year on April 30 of each year, shareholders
receive an annual and semiannual report, respectively. In addition, the federal
income tax status of distributions made by the Fund to shareholders is reported
after the end of each calendar year on Form 1099-DIV. Under certain
circumstances, duplicate mailings of the foregoing reports to the same household
may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May    , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of the Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of the Fund will be
voted by the Fund's shareholders individually when the matter affects the
specific interest of the Fund only, such as approval of its investment
management arrangements. In addition, shares of a particular class of the Fund
may vote on matters affecting only that Class. The shares of the Fund and the
Company's other funds will be voted in the aggregate on other matters, such as
the election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting securities may call a meeting of shareholders for
the purpose of voting upon the question of removal of any Trustee or for any
other purpose. The 1940 Act requires the Company to assist shareholders in
calling such a meeting.
    
 
   
Pursuant to the Company's Declaration of Trust, the Company may issue an
unlimited number of shares of the Fund. Each share of the Fund represents an
interest in the Fund only, has a par value of $0.01
    
 
                               Prospectus Page 33
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
per share, represents an equal proportionate interest in the Fund with other
shares of the Fund and is entitled to such dividends and other distributions out
of the income earned and gain realized on the assets belonging to the Fund as
may be declared at the discretion of the Board of Trustees. Each share of the
Fund is equal in earnings, assets and voting privileges, except that each class
has exclusive voting rights with respect to its distribution plan and bears the
expenses, if any, related to the distribution of its shares. Shares of the Fund,
when issued, are fully paid and nonassessable.
    
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Fund
toll-free at (800) 223-2138 or by writing to the Fund at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Fund, from time to time, may include information on
its investment results and/or comparisons of its investment results to various
unmanaged indices or results of other mutual funds or groups of mutual funds in
advertisements, sales literature or reports furnished to present or prospective
shareholders.
 
In such materials, the Fund may quote its average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of the Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of the Fund. Standardized Return
assumes reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Fund's performance or
more accurately compare such performance to other measures of investment return,
the Fund also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized return reflects percentage rates of return encompassing all
elements of total return (e.g., income and capital appreciation or
depreciation); it assumes reinvestment of all dividends and other distributions.
Non-Standardized Return may be quoted for the same or different periods as those
for which Standardized Return is quoted; it may consist of an aggregate or
average annual percentage rate of return, actual year-by-year rates or any
combination thereof. Non-Standardized Return may or may not take sales charges
into account; performance data calculated without taking the effect of sales
charges into account will be higher than data including the effect of such
charges.
 
The Fund's performance data reflects past performance and is not necessarily
indicative of future results. The Fund's investment results will vary from time
to time depending upon market conditions, the composition of its portfolio and
its operating expenses. These factors and possible differences in calculation
methods should be considered when comparing the Fund's investment results with
those published for other investment companies, other investment vehicles and
unmanaged indices. The Fund's results also should be considered relative to the
risks associated with its investment objective and policies. See "Investment
Results" in the Statement of Additional Information.
 
The Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to
    
 
                               Prospectus Page 34
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
commence during the third quarter of 1998. The Project is scheduled to be
completed by December 31, 1998. Following completion of the Project, AIM, AIM
Distributors and the Sub-adviser will ensure that any systems subsequently
acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Fund are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM and maintains its
offices at California Plaza, 2121 North California Boulevard, Suite 450, Walnut
Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110 is custodian of the Fund's assets.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and the Fund.
Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-adviser and the
Transfer Agent in connection with other matters.
    
 
   
INDEPENDENT ACCOUNTANTS. The Company's and the Fund's independent accountants
are                           , One Post Office Square, Boston, MA 02109.
                          conducts an annual audit of the Fund, assists in the
preparation of the Fund's federal and state income tax returns, and consults
with the Company and the Fund as to matters of accounting, regulatory filings,
and federal and state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 35
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND  THE RISKS  OF INVESTING  IN  A CONCENTRATION  OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER  OR CALL AIM DISTRIBUTORS DIRECTLY  AT
  1-800-824-1580.
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  PROSPECTUS  AND, IF GIVEN  OR MADE, SUCH  INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON  AS HAVING BEEN AUTHORIZED  BY G.T. INVESTMENT FUNDS,  GT
  GLOBAL  GROWTH  & INCOME  FUND, A  I M  ADVISORS, INC.,[CHANCELLOR  GT ASSET
  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS PROSPECTUS  DOES  NOT
  CONSTITUTE  AN OFFER TO SELL OR SOLICITATION OF  ANY OFFER TO BUY ANY OF THE
  SECURITIES OFFERED HEREBY IN  ANY JURISDICTION TO ANY  PERSON TO WHOM IT  IS
  UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
   
                                                                   G&IPR803004MC
    
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
GT GLOBAL EMERGING MARKETS FUND ("EMERGING MARKETS FUND") seeks long-term growth
of capital by investing primarily in equity securities of companies in emerging
markets.
 
GT GLOBAL LATIN AMERICA GROWTH FUND ("LATIN AMERICA GROWTH FUND") seeks capital
appreciation by investing primarily in equity and debt securities of a broad
range of Latin American issuers.
 
There can be no assurance that the Emerging Markets Fund or the Latin America
Growth Fund (each a "Fund," and collectively, the "Funds") will achieve its
investment objective.
 
   
The Funds are managed by A I M Advisors, Inc. ("AIM") and are sub-advised and
sub-administered by [Chancellor GT Asset Management, Inc.] (the "Sub-adviser").
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
The Funds are designed for long term investors and not as trading vehicles. The
Funds do not represent a complete investment program, nor are they suitable for
all investors. The Funds may invest significantly in lower quality and unrated
foreign government bonds whose credit quality is generally considered the
equivalent of U.S. corporate debt securities commonly known as "junk bonds."
Investments of this type are subject to a greater risk of loss of principal and
interest. An investment in either Fund should be considered speculative and
subject to special risk factors, related primarily to the Funds' investments in
emerging markets and Latin America. Purchasers should carefully assess the risks
associated with an investment in either Fund.
 
   
This Prospectus sets forth concisely the information an investor should know
before investing and should be read carefully and retained for future reference.
A Statement of Additional Information for each Fund dated June 1, 1998, has been
filed with the Securities and Exchange Commission ("SEC") and, as supplemented
or amended from time to time, is incorporated by reference. The Statement of
Additional Information is available without charge by writing to the Funds at 50
California Street, 27th Floor, San Francisco, CA 94111, or by calling [(800)
824-1580]. It is also available, along with other related materials, on the
SEC's Internet web site (http://www.sec.gov).
    
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD OR ANY OTHER AGENCY.
 
An investment in either Fund offers the following advantages:
 
/ / Access to Securities Markets Around the World
 
/ / Professional Management by a Leading Manager with Offices in the World's
    Major Markets
 
/ / Low $500 Minimum Investment
 
/ / Alternative Purchase Plan
 
/ / Automatic Dividend and Other Distribution Reinvestment at No Additional
    Sales Charge
 
/ / Exchange Privileges with the Corresponding Classes of the Other GT Global
    Mutual Funds
 
/ / Reduced Sales Charge Plans
 
/ / Dollar Cost Averaging Program
 
/ / Automatic Investment Plan
 
/ / Systematic Withdrawal Plan
 
   
FOR FURTHER INFORMATION CALL [(800) 824-1580] OR CONTACT YOUR FINANCIAL ADVISER.
    
 
- --------------------------------------------------------------------------------
 
THESE  SECURITIES  HAVE  NOT  BEEN APPROVED  OR  DISAPPROVED  BY  THE SECURITIES
 AND EXCHANGE  COMMISSION, NOR  HAS THE  SECURITIES AND  EXCHANGE  COMMISSION
   PASSED  ON  THE ACCURACY  OR  ADEQUACY OF  THIS  PROSPECTUS.         ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          8
Investment Objectives and Policies........................................................         12
Risk Factors..............................................................................         18
How to Invest.............................................................................         23
How to Make Exchanges.....................................................................         31
How to Redeem Shares......................................................................         33
Shareholder Account Manual................................................................         35
Calculation of Net Asset Value............................................................         36
Dividends, Other Distributions and Federal Income Taxation................................         36
Management................................................................................         39
Other Information.........................................................................         44
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
 
- --------------------------------------------------------------------------------
 
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Funds:                     The  Emerging Markets Fund is a  diversified series, and the Latin
                               America Growth Fund is a non-diversified series of G.T. Investment
                               Funds (the "Company").
 
Investment Objectives:         The Emerging Markets Fund seeks long-term growth of capital.
 
                               The Latin America Growth Fund seeks capital appreciation.
 
Principal Investments:         The Emerging Markets  Fund normally  invests at least  65% of  its
                               total  assets  in  equity  securities  of  companies  in  emerging
                               markets.
 
                               The Latin America Growth Fund normally invests at least 65% of its
                               total assets  in  equity  and  debt  securities  issued  by  Latin
                               American companies and governments.
 
Principal Risk Factors:        There is no assurance that either Fund will achieve its investment
                               objective.  The Funds' net asset values will fluctuate, reflecting
                               fluctuations in the market value of their portfolio holdings.
 
                               Each Fund will invest primarily in foreign securities. Investments
                               in foreign  securities involve  risks  relating to  political  and
                               economic  developments  abroad  and  the  differences  between the
                               regulations  to  which  U.S.  and  foreign  issuers  are  subject.
                               Individual   foreign  economies  also   may  differ  favorably  or
                               unfavorably from  the U.S.  economy. Changes  in foreign  currency
                               exchange  rates will affect a Fund's net asset value, earnings and
                               gains and losses  realized on sales  of securities. Securities  of
                               foreign  companies  may  be  less  liquid  and  their  prices more
                               volatile than those of securities of comparable U.S. companies.
 
                               Each Fund  may engage  in certain  foreign currency,  options  and
                               futures transactions to attempt to hedge against the overall level
                               of  investment and  currency risk  associated with  its present or
                               planned investments. Such transactions  involve certain risks  and
                               transaction costs.
 
                               The Emerging Markets Fund may invest up to 20% of its total assets
                               in  below investment grade debt securities. There is no limitation
                               on the percentage of the Latin America Growth Fund's total  assets
                               that  may be invested in such securities. Investments of this type
                               are subject to a greater risk of loss of principal and interest.
 
                               See "Investment Objectives and Policies" and "Risk Factors."
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               AIM and  the  Sub-adviser  and their  worldwide  asset  management
Investment Managers:           affiliates  provide  investment  management  and/or administrative
                               services to institutional, corporate and individual clients around
                               the world. AIM and the Sub-adviser are both indirect wholly  owned
                               subsidiaries  of AMVESCAP  PLC. AMVESCAP PLC  and its subsidiaries
                               are  an  independent  investment  management  group  that  has   a
                               significant  presence in  the institutional and  retail segment of
                               the investment management  industry in North  America and  Europe,
                               and  a growing  presence in Asia.  AIM was organized  in 1976 and,
                               together  with  its  affiliates,   currently  advises  [over   50]
                               investment  company portfolios. On                , 1998, AMVESCAP
                               PLC acquired the Asset Management Division of Liechtenstein Global
                               Trust AG ("GT"), which included the Sub-adviser and certain  other
                               affiliates.
 
Alternative Purchase Plan:     Investors  may select Class  A or Class B  shares, each subject to
                               different expenses and  a different sales  charge structure.  Each
                               class  has  distinct  advantages and  disadvantages  for different
                               investors, and investors should choose  the class that best  suits
                               their circumstances and objectives. See "How to Invest."
 
  Class A Shares:              Offered  at  net  asset  value plus  any  applicable  sales charge
                               (maximum is 4.75% of public  offering price) and subject to  12b-1
                               service  and distribution fees at the  annualized rate of 0.50% of
                               the average daily net assets of Class A shares.
 
                               Offered at net asset value with no initial sales charge (a maximum
  Class B Shares:              contingent deferred sales charge of 5%  of net asset value at  the
                               time of purchase or sale, whichever is less, is imposed on certain
                               redemptions made within six years of date of purchase) and subject
                               to  12b-1 service and distribution fees  at the annualized rate of
                               1.00% of the average daily net  assets of Class B shares. Class  B
                               shares  automatically convert to  Class A shares  of the same Fund
                               eight years following  the end of  the calendar month  in which  a
                               purchase  was made.  Class B shares  are subject  to higher annual
                               expenses than Class A shares.
 
Shares Available Through:      Class A and Class B  shares are available through  broker/dealers,
                               banks   and   other   financial   service   entities   ("Financial
                               Institutions") that have entered  into agreements with the  Funds'
                               distributor,  A I M Distributors Inc. ("AIM Distributors"). Shares
                               also may  be acquired  by sending  an application  directly to  GT
                               Global  Investor Services, Inc. ("The  Transfer Agent") or through
                               exchanges of shares as  described below. See  "How to Invest"  and
                               "Shareholder Account Manual."
</TABLE>
    
 
   
THE AIM FAMILY OF FUNDS, THE AIM FAMILY OF FUNDS AND DESIGN (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS AND LA FAMILIA AIM DE FONDOS AND DESIGN ARE REGISTERED
SERVICE MARKS AND INVEST WITH DISCIPLINE AND AIM BANK CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
                               Prospectus Page 4
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
Exchange Privileges:           Shares  may be exchanged without a  sales charge for shares of the
                               corresponding class of the other GT Global Mutual Funds which  are
                               open  end management companies sub-advised  by the Sub-adviser. In
                               addition, Class A shares  may be exchanged for  Class A shares  of
                               some  of the mutual funds that  are advised by AIM, distributed by
                               AIM  Distributors   and   are   part  of   The   AIM   Family   of
                               Funds-Registered  Trademark- ("The AIM Family of Funds"). See "How
                               to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be  redeemed through Financial  Institutions that  sell
                               shares  of the  Funds or  the Funds'  Transfer Agent.  See "How to
                               Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other
  Distributions:               Dividends  are  paid  annually  from  net  investment  income  and
                               realized net short-term capital gain; other distributions are paid
                               annually from net capital gain and net gains from foreign currency
                               transactions, if any.
 
Reinvestment:                  Dividends  and other distributions may be reinvested automatically
                               in Fund  shares of  the distributing  class or  in shares  of  the
                               corresponding  class  of other  GT Global  Mutual Funds  without a
                               sales charge.
 
First Purchase:                $500 minimum ($100 for individual retirement accounts ("IRAs") and
                               reduced amounts for certain other retirement plans).
 
Subsequent Purchases:          $100 minimum ($25 for IRAs  and reduced amounts for certain  other
                               retirement plans).
 
Net Asset Values:              Quoted daily in the financial section of most newspapers.
 
Other Features:
 
  Class A Shares:              Letter of Intent                  Dollar Cost Averaging Program
                               Quantity Discounts                Automatic Investment Plan
                               Right of Accumulation             Systematic Withdrawal Plan
                               Reinstatement Privilege           Portfolio Rebalancing Program
 
  Class B Shares:              Systematic Withdrawal Plan        Portfolio Rebalancing Program
                               Automatic Investment Plan         Dollar Cost Averaging Program
</TABLE>
    
 
                               Prospectus Page 5
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
                        GT GLOBAL EMERGING MARKETS FUND
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Class A and Class B shares of the Emerging Markets Fund
are reflected in the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                                                         CLASS A      CLASS B
                                                                                                       -----------  -----------
<S>                                                                                                    <C>          <C>
SHAREHOLDER TRANSACTION COSTS (2):
  Maximum sales charge on purchases (as a % of offering price).......................................       4.75%         None
  Sales charges on reinvested distributions to shareholders..........................................        None         None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is
   less).............................................................................................        None        5.00%
  Redemption charges.................................................................................        None         None
  Exchange fees......................................................................................        None         None
 
ANNUAL FUND OPERATING EXPENSES (3):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees......................................................       0.98%        0.98%
  12b-1 distribution and service fees................................................................       0.50%        1.00%
  Other expenses (after reimbursements and waivers)..................................................           %            %
                                                                                                       -----------  -----------
  Total Fund Operating Expenses......................................................................       2.00%        2.50%
                                                                                                       -----------  -----------
                                                                                                       -----------  -----------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                                                  ONE    THREE   FIVE     TEN
                                                                                  YEAR   YEARS   YEARS   YEARS+
                                                                                  ----   -----   -----   -----
<S>                                                                               <C>    <C>     <C>     <C>
Class A Shares (4)..............................................................  $      $       $       $
Class B Shares
    Assuming a complete redemption at end of period (5).........................  $      $       $       $
    Assuming no redemption......................................................  $      $       $       $
</TABLE>
    
 
- ------------------
   
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. Long-term
    shareholders may pay more than the economic equivalent of the maximum
    front-end sales charges permitted by the National Association of Securities
    Dealers, Inc. ("NASD") rules regarding investment companies. THE
    "HYPOTHETICAL EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES.
    THE FUND'S ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT EXPENSES,
    MAY BE MORE OR LESS THAN THOSE SHOWN. The tables and the assumption in the
    Hypothetical Example of a 5% annual return are required by regulation of the
    SEC applicable to all mutual funds. The 5% annual return is not a prediction
    of and does not represent the Fund's projected or actual performance.
    
 
(2) Sales charge waivers are available for Class A and Class B shares, and
    reduced sales charge purchase plans are available for Class A shares. The
    maximum 5% contingent deferred sales charge on Class B shares applies to
    redemptions during the first year after purchase. The charge generally
    declines by 1% annually thereafter, reaching zero after six years. See "How
    to Invest."
 
   
(3) Expenses are based on the Fund's fiscal year ended October 31, 1997 restated
    to reflect the current expense limits. "Other expenses" include custody,
    transfer agency, legal, audit and other operating expenses. AIM has
    undertaken to limit the Fund's expenses (exclusive of brokerage commissions,
    taxes, interest and extraordinary expenses) to the annual rate of 2.00% and
    2.50% of the average daily net assets of the Fund's Class A and Class B
    shares, respectively. Without reimbursements and waivers, "Other Expenses"
    and "Total Fund Operating Expenses" would have been   % and   %,
    respectively, for Class A Shares and   % and   %, respectively, for Class B
    Shares of the Fund. See "Management" herein and the Statement of Additional
    Information for more information. The Fund also offers Advisor Class shares,
    which are not subject to 12b-1 distribution and service fees, to certain
    categories of investors. See "How to Invest."
    
 
(4) Assumes payment of maximum sales charge by the investor.
 
(5) Assumes deduction of the applicable contingent deferred sales charge.
 
   
+   For Class B Shares, this number reflects the conversion to Class A Shares
    eight years following the end of the calendar month in which a purchase was
    made.
    
 
                               Prospectus Page 6
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Class A and Class B shares of
the Latin America Growth Fund are reflected in the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                                                         CLASS A      CLASS B
                                                                                                       -----------  -----------
<S>                                                                                                    <C>          <C>
SHAREHOLDER TRANSACTION COSTS (2):
  Maximum sales charge on purchases of shares (as a % of offering price).............................       4.75%         None
  Sales charges on reinvested distributions to shareholders..........................................        None         None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is
   less).............................................................................................        None        5.00%
  Redemption charges.................................................................................        None         None
  Exchange fees......................................................................................        None         None
 
ANNUAL FUND OPERATING EXPENSES (3):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees......................................................       0.98%        0.98%
  12b-1 distribution and service fees................................................................       0.50%        1.00%
  Other expenses (after reimbursements and waivers)..................................................       0.58%        0.58%
                                                                                                       -----------  -----------
  Total Fund Operating Expenses......................................................................       2.00%        2.50%
                                                                                                       -----------  -----------
                                                                                                       -----------  -----------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                                                  ONE    THREE   FIVE     TEN
                                                                                  YEAR   YEARS   YEARS   YEARS+
                                                                                  ----   -----   -----   -----
<S>                                                                               <C>    <C>     <C>     <C>
Class A Shares (4)..............................................................  $      $       $       $
Class B Shares
    Assuming a complete redemption at end of period (5).........................  $      $       $       $
    Assuming no redemption......................................................  $      $       $       $
<FN>
- ------------------
(1)  THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
     COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. Long-term
     shareholders may pay more than the economic equivalent of the maximum
     front-end sales charges permitted by the NASD rules regarding investment
     companies. THE "HYPOTHETICAL EXAMPLE" IS NOT A REPRESENTATION OF PAST OR
     FUTURE EXPENSES. THE FUND'S ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND
     INDIRECT EXPENSES, MAY BE MORE OR LESS THAN THOSE SHOWN. The tables and the
     assumption in the Hypothetical Example of a 5% annual return are required
     by regulation of the SEC applicable to all mutual funds. The 5% annual
     return is not a prediction of and does not represent the Fund's projected
     or actual performance.
(2)  Sales charge waivers are available for Class A and Class B shares, and
     reduced sales charge purchase plans are available for Class A shares. The
     maximum 5% contingent deferred sales charge on Class B shares applies to
     redemptions during the first year after purchase. The charge generally
     declines by 1% annually thereafter, reaching zero after six years. See "How
     to Invest."
(3)  Expenses are based on the Fund's fiscal year ended October 31, 1997
     restated to reflect the current expense limits. "Other expenses" include
     custody, transfer agency, legal, audit and other operating expenses. AIM
     has undertaken to limit the Fund's expenses (exclusive of brokerage
     commissions, taxes, interest and extraordinary expenses) to the annual rate
     of 2.00% and 2.50% of the average daily net assets of the Fund's Class A
     and Class B shares, respectively. Without reimbursements and waivers,
     "Other Expenses" and "Total Fund Operating Expenses" would have been   %
     and   %, respectively, for Class A shares and   % and   % for Class B
     Shares of the Fund. See "Management" herein and the Statement of Additional
     Information for more information. The Fund also offers Advisor Class
     shares, which are not subject to 12b-1 distribution and service fees, to
     certain categories of investors. See "How to Invest."
(4)  Assumes payment of maximum sales charge by the investor.
(5)  Assumes deduction of the applicable contingent deferred sales charge.
+    For Class B shares, this number reflects the conversion to Class A shares
     eight years following the end of the calendar month in which a purchase was
     made.
</TABLE>
    
 
                               Prospectus Page 7
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Class B share of each Fund. This information
is supplemented by the financial statements and accompanying notes appearing in
the Statement of Additional Information. The financial statements and notes for
the fiscal year ended October 31, 1997, have been audited by
                      , independent accountants, whose report thereon also is
included in the Statement of Additional Information.
    
 
                        GT GLOBAL EMERGING MARKETS FUND
 
<TABLE>
<CAPTION>
                                                                     CLASS A+
                                          --------------------------------------------------------------
                                                                                            MAY 18, 1992
                                                                                             (COMMENCE-
                                                                                              MENT OF
                                                        YEAR ENDED OCT. 31,                 OPERATIONS)
                                          ------------------------------------------------  TO OCT. 31,
                                          1997(D)   1996(D)   1995(D)     1994      1993        1992
                                          --------  --------  --------  --------  --------  ------------
<S>                                       <C>       <C>       <C>       <C>       <C>       <C>
Per share operating performance:
Net asset value, beginning of period....  $  14.26  $  13.85  $  18.81  $  14.42  $  11.10    $ 11.43
                                          --------  --------  --------  --------  --------  ------------
Income from investment operations:
  Net investment income (loss)..........        --      0.11      0.13     (0.02)     0.02*      0.07*
  Net realized and unrealized gain
   (loss) on investments................     (2.05)     0.30     (4.32)     4.68      3.38      (0.40)
                                          --------  --------  --------  --------  --------  ------------
    Net increase (decrease) from
     investment operations..............     (2.05)     0.41     (4.19)     4.66      3.40      (0.33)
                                          --------  --------  --------  --------  --------  ------------
Distributions:
  From net investment income............        --        --        --     (0.01)    (0.08)        --
  From net realized gain on
   investments..........................        --        --     (0.77)    (0.26)       --         --
  In excess of net investment income....     (0.01)       --        --        --        --         --
                                          --------  --------  --------  --------  --------  ------------
    Total distributions.................     (0.01)       --     (0.77)    (0.27)    (0.08)        --
                                          --------  --------  --------  --------  --------  ------------
Net asset value, end of period..........  $  12.20  $  14.26  $  13.85  $  18.81  $  14.42    $ 11.10
                                          --------  --------  --------  --------  --------  ------------
                                          --------  --------  --------  --------  --------  ------------
Total investment return (c).............  (14.45)%     2.96%  (23.04)%    32.58%     30.9%     (2.9)%(a)
                                          --------  --------  --------  --------  --------  ------------
                                          --------  --------  --------  --------  --------  ------------
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $113,319  $224,964  $252,457  $417,322  $187,808    $84,558
Ratio of net investment income (loss) to
 average net assets.....................   (0.01)%     0.76%     0.89%   (0.11)%      0.1%*      1.7%*(b)
Ratio of expenses to average net assets:
  With expense reductions...............     2.10%     1.96%     2.12%     2.06%      2.4%*      2.4%*(b)
  Without expense reductions............     2.18%     2.08%     2.14%       N/A       N/A        N/A
Portfolio turnover rate +++.............      150%      104%      114%      100%       99%        32%(b)
Average commission rate per share paid
 on portfolio transactions +++..........  $ 0.0015  $ 0.0040       N/A       N/A       N/A        N/A
</TABLE>
 
- ------------------
 
+   All capital shares issued and outstanding as of March 31, 1993 were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.02 for the year ended October 31, 1993 and for the period from May 18,
    1992 (commencement of operations) to October 31, 1992, respectively. Without
    such reimbursements, the expense ratios would have been 2.61% and 2.91% and
    the ratio of net investment income to average net assets would have been
    (0.11)% and 1.21% for the year ended October 31, 1993 and for the period
    from May 18, 1992 (commencement of operations) to October 31, 1992,
    respectively.
    
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                               Prospectus Page 8
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                        GT GLOBAL EMERGING MARKETS FUND
                                  (CONTINUED)
<TABLE>
<CAPTION>
                                                                                                   CLASS B++
                                                                                 ----------------------------------------------
                                                                                              YEAR ENDED OCT. 31,
                                                                                 ----------------------------------------------
                                                                                  1997(D)     1996(D)     1995(D)       1994
                                                                                 ----------  ----------  ----------  ----------
<S>                                                                              <C>         <C>         <C>         <C>
Per share operating performance:
Net asset value, beginning of period...........................................  $    14.02  $    13.68  $    18.68  $    14.39
                                                                                 ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income (loss).................................................       (0.08)       0.04        0.06       (0.12)
  Net realized and unrealized gain (loss) on investments.......................       (2.00)       0.30       (4.29)       4.67
                                                                                 ----------  ----------  ----------  ----------
    Net increase (decrease) from investment operations.........................       (2.08)       0.34       (4.23)       4.55
                                                                                 ----------  ----------  ----------  ----------
Distributions:
  From net investment income...................................................          --          --          --          --
  From net realized gain on investments........................................          --          --       (0.77)      (0.26)
  In excess of net investment income...........................................          --          --          --          --
                                                                                 ----------  ----------  ----------  ----------
    Total distributions........................................................          --          --       (0.77)      (0.26)
                                                                                 ----------  ----------  ----------  ----------
Net asset value, end of period.................................................  $    11.94  $    14.02  $    13.68  $    18.68
                                                                                 ----------  ----------  ----------  ----------
                                                                                 ----------  ----------  ----------  ----------
Total investment return (c)....................................................    (14.91)%       2.49%    (23.37)%      31.77%
                                                                                 ----------  ----------  ----------  ----------
                                                                                 ----------  ----------  ----------  ----------
Ratios and supplemental data:
Net assets, end of period (in 000's)...........................................  $  127,658  $  216,004  $  225,861  $  291,289
Ratio of net investment income (loss) to average net assets....................     (0.51)%       0.26%       0.39%     (0.61)%
Ratio of expenses to average net assets:
  With expense reductions......................................................       2.60%       2.46%       2.62%       2.56%
  Without expense reductions...................................................       2.68%       2.58%       2.64%         N/A
Portfolio turnover rate +++....................................................        150%        104%        114%        100%
Average commission rate per share paid on portfolio transactions +++...........  $   0.0015  $   0.0040         N/A         N/A
 
<CAPTION>
 
                                                                                 APRIL 1, 1993
                                                                                  TO OCT. 31,
                                                                                     1993
                                                                                 -------------
<S>                                                                              <C>
Per share operating performance:
Net asset value, beginning of period...........................................    $   11.47
                                                                                 -------------
Income from investment operations:
  Net investment income (loss).................................................           --**
  Net realized and unrealized gain (loss) on investments.......................         2.92
                                                                                 -------------
    Net increase (decrease) from investment operations.........................         2.92
                                                                                 -------------
Distributions:
  From net investment income...................................................           --
  From net realized gain on investments........................................           --
  In excess of net investment income...........................................           --
                                                                                 -------------
    Total distributions........................................................           --
                                                                                 -------------
Net asset value, end of period.................................................    $   14.39
                                                                                 -------------
                                                                                 -------------
Total investment return (c)....................................................         25.5% (a)
                                                                                 -------------
                                                                                 -------------
Ratios and supplemental data:
Net assets, end of period (in 000's)...........................................  $     32,318
Ratio of net investment income (loss) to average net assets....................        (0.4)% **(b)
Ratio of expenses to average net assets:
  With expense reductions......................................................          2.9% **(b)
  Without expense reductions...................................................           N/A
Portfolio turnover rate +++....................................................           99%
Average commission rate per share paid on portfolio transactions +++...........           N/A
</TABLE>
 
- ------------------
 
++  Commencing April 1, 1993, the Fund began offering Class B shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
   
**  Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.02. Without such reimbursements, the expense ratio would have been
    (3.63)% and the ratio of net investment income to average net assets would
    have been (0.76)%.
    
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
   
<TABLE>
<CAPTION>
                                                  AVERAGE MONTHLY AMOUNT    AVERAGE MONTHLY NUMBER
                                                         OF DEBT                OF REGISTRANT'S        AVERAGE AMOUNT
                                AMOUNT OF DEBT         OUTSTANDING                  SHARES              OF DEBT PER
                                OUTSTANDING AT          DURING THE                OUTSTANDING           SHARE DURING
YEAR ENDED                       END OF PERIOD            PERIOD               DURING THE PERIOD         THE PERIOD
- ------------------------------  ---------------  ------------------------  -------------------------  ----------------
<S>                             <C>              <C>                       <C>                        <C>
October 31, 1997..............    $6,184,000            $2,568,627                26,177,077              $0.0981
</TABLE>
    
 
                               Prospectus Page 9
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
<TABLE>
<CAPTION>
                                                                          CLASS A+
                                          ------------------------------------------------------------------------
                                                                                                     AUG. 13, 1991
                                                                                                      (COMMENCE-
                                                                                                        MENT OF
                                                             YEAR ENDED OCT. 31,                      OPERATIONS)
                                          ---------------------------------------------------------   TO OCT. 31,
                                          1997(A)   1996(A)   1995(A)   1994(A)   1993(A)    1992        1991
                                          --------  --------  --------  --------  --------  -------  -------------
<S>                                       <C>       <C>       <C>       <C>       <C>       <C>      <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $  17.95  $  15.38  $  26.11  $  19.78  $  15.59  $ 16.45    $  14.29
                                          --------  --------  --------  --------  --------  -------  -------------
Income from investment operations:
  Net investment income (loss)..........      0.11      0.09      0.15     (0.08)     0.18*    0.25*       0.01*
  Net realized and unrealized gain
   (loss) on investments................      1.44      2.59     (9.28)     6.75      5.21    (0.98)       2.15
                                          --------  --------  --------  --------  --------  -------  -------------
    Net increase (decrease) from
     investment operations..............      1.55      2.68     (9.13)     6.67      5.39    (0.73)       2.16
                                          --------  --------  --------  --------  --------  -------  -------------
Distributions:
  From net investment income............        --     (0.08)       --     (0.19)    (0.12)   (0.13)         --
  From net realized gain on
   investments..........................        --        --     (1.60)    (0.15)    (1.08)      --          --
  In excess of net investment income....        --     (0.03)       --        --        --       --          --
                                          --------  --------  --------  --------  --------  -------  -------------
    Total distributions.................        --     (0.11)    (1.60)    (0.34)    (1.20)   (0.13)         --
                                          --------  --------  --------  --------  --------  -------  -------------
Net asset value, end of period..........  $  19.50  $  17.95  $  15.38  $  26.11  $  19.78  $ 15.59    $  16.45
                                          --------  --------  --------  --------  --------  -------  -------------
                                          --------  --------  --------  --------  --------  -------  -------------
Total investment return (d).............     8.52%    17.52%  (37.16)%    34.10%     37.1%   (4.5)%       15.1%(b)
                                          --------  --------  --------  --------  --------  -------  -------------
                                          --------  --------  --------  --------  --------  -------  -------------
Ratios and supplemental data:
 
Net assets, end of period (in 000's)....  $159,496  $177,373  $182,462  $336,960  $129,280  $94,085    $125,038
Ratio of net investment income (loss) to
 average net assets.....................     0.52%     0.46%     0.86%   (0.29)%      1.3%*    1.3%*       1.2%*(c)
Ratio of expenses to average net assets:
  With expense reductions...............     1.96%     2.03%     2.11%     2.04%      2.4%*    2.4%*       2.4%*(c)
  Without expense reductions............     2.06%     2.10%     2.12%       N/A       N/A      N/A         N/A
Portfolio turnover rate +++.............      130%      101%      125%      155%      112%     159%        None
Average commission rate per share paid
 on portfolio transactions +++..........   $0.0007   $0.0005       N/A       N/A       N/A      N/A         N/A
</TABLE>
 
- ------------------
 
+   All capital shares issued and outstanding as of March 31, 1993 were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.02, $0.04 and $0.01 for the years ended October 31, 1993 and 1992 and for
    the period from August 13, 1991 (commencement of operations) to October 31,
    1991, respectively. Without such reimbursements, the expense ratios would
    have been 2.49%, 2.62% and 3.42% and the ratios of net investment income to
    average net assets would have been 1.25%, 1.07% and 0.l5% for the years
    ended October 31, 1993 and 1992 and for the period from August 13, 1991 to
    October 31, 1991, respectively.
    
 
(a) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(b) Not annualized.
 
(c) Annualized.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                               Prospectus Page 10
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                      GT GLOBAL LATIN AMERICA GROWTH FUND
                                  (CONTINUED)
<TABLE>
<CAPTION>
                                                                                                   CLASS B++
                                                                                 ----------------------------------------------
                                                                                              YEAR ENDED OCT. 31,
                                                                                 ----------------------------------------------
                                                                                  1997(A)     1996(A)     1995(A)     1994(A)
                                                                                 ----------  ----------  ----------  ----------
<S>                                                                              <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period...........................................  $    17.78  $    15,21  $    25.94  $    19.75
                                                                                 ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income (loss).................................................        0.01          --        0.06       (0.22)
  Net realized and unrealized gain (loss) on investments.......................        1.44        2.59       (9.19)       6.74
                                                                                 ----------  ----------  ----------  ----------
    Net increase (decrease) from investment operations.........................        1.45        2.59       (9.13)       6.52
                                                                                 ----------  ----------  ----------  ----------
Distributions:
  From net investment income...................................................          --       (0.01)         --       (0.18)
  From net realized gain on investments........................................          --          --       (1.60)      (0.15)
  In excess of net investment income...........................................          --       (0.01)         --          --
                                                                                 ----------  ----------  ----------  ----------
    Total distributions........................................................          --       (0.02)      (1.60)      (0.33)
                                                                                 ----------  ----------  ----------  ----------
Net asset value, end of period.................................................  $    19.23  $    17.78  $    15.21  $    25.94
                                                                                 ----------  ----------  ----------  ----------
                                                                                 ----------  ----------  ----------  ----------
Total investment return (d)....................................................       8.04%      17.02%    (37.42)%      33.33%
                                                                                 ----------  ----------  ----------  ----------
                                                                                 ----------  ----------  ----------  ----------
Ratios and supplemental data:
 
Net assets, end of period (in 000's)...........................................  $  133,448  $  137,400  $  134,527  $  211,673
Ratio of net investment income (loss) to average net assets....................       0.02%     (0.04)%       0.36%     (0.79)%
Ratio of expenses to average net assets:
  With expense reductions......................................................       2.46%       2.53%       2.61%       2.54%
  Without expense reductions...................................................       2.56%       2.60%       2.62%         N/A
Portfolio turnover rate +++....................................................        130%        101%        125%        155%
Average commission rate per share paid on portfolio transactions +++...........  $   0.0007  $   0.0005         N/A         N/A
 
<CAPTION>
 
                                                                                 APRIL 1, 1993
                                                                                  TO OCT. 31,
                                                                                    1993(A)
                                                                                 -------------
<S>                                                                              <C>
Per Share Operating Performance:
Net asset value, beginning of period...........................................    $   16.26
                                                                                 -------------
Income from investment operations:
  Net investment income (loss).................................................        (0.07)
  Net realized and unrealized gain (loss) on investments.......................         3.56
                                                                                 -------------
    Net increase (decrease) from investment operations.........................         3.49
                                                                                 -------------
Distributions:
  From net investment income...................................................           --
  From net realized gain on investments........................................           --
  In excess of net investment income...........................................           --
                                                                                 -------------
    Total distributions........................................................           --
                                                                                 -------------
Net asset value, end of period.................................................    $   19.75
                                                                                 -------------
                                                                                 -------------
Total investment return (d)....................................................        21.5%(b)
                                                                                 -------------
                                                                                 -------------
Ratios and supplemental data:
Net assets, end of period (in 000's)...........................................    $  13,576
Ratio of net investment income (loss) to average net assets....................        (0.7)% (c)
Ratio of expenses to average net assets:
  With expense reductions......................................................          2.9% (c)
  Without expense reductions...................................................           N/A
Portfolio turnover rate +++....................................................          112%
Average commission rate per share paid on portfolio transactions +++...........           N/A
</TABLE>
 
- ------------------
 
++  Commencing April 1, 1993, the Fund began offering Class B shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
(a) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(b) Not annualized.
 
(c) Annualized.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                  AVERAGE MONTHLY AMOUNT    AVERAGE MONTHLY NUMBER
                                                         OF DEBT                OF REGISTRANT'S        AVERAGE AMOUNT
                                AMOUNT OF DEBT         OUTSTANDING                  SHARES              OF DEBT PER
                                OUTSTANDING AT          DURING THE                OUTSTANDING           SHARE DURING
YEAR ENDED                       END OF PERIOD            PERIOD               DURING THE PERIOD         THE PERIOD
- ------------------------------  ---------------  ------------------------  -------------------------  ----------------
<S>                             <C>              <C>                       <C>                        <C>
October 31, 1997..............    $3,238,000            $1,519,383                16,973,475              $0.0895
</TABLE>
    
 
                               Prospectus Page 11
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
EMERGING MARKETS FUND
The Emerging Markets Fund's investment objective is long-term growth of capital.
Under normal circumstances, the Emerging Markets Fund seeks its objective by
investing at least 65% of its total assets in equity securities of companies in
emerging markets. The Emerging Markets Fund may invest in the following types of
equity securities: common stock, preferred stock, securities convertible into
common stock, rights and warrants to acquire such securities and substantially
similar forms of equity with comparable risk characteristics.
 
   
For purposes of the Emerging Markets Fund's operations, "emerging markets"
consist of all countries determined by the Sub-adviser to have developing or
emerging economies and markets. These countries generally include every country
in the world except the United States, Canada, Japan, Australia, New Zealand and
most countries located in Western Europe. See "Investment Objective and
Policies" in the Statement of Additional Information for a complete list of all
the countries that the Emerging Markets Fund does not consider to be emerging
markets.
    
 
For purposes of the Emerging Markets Fund's policy of normally investing at
least 65% of its total assets in equity securities of issuers in emerging
markets, the Emerging Markets Fund will consider investment in the following
emerging markets:
 
<TABLE>
<S>               <C>            <C>
  Algeria         Hong Kong      Peru
  Argentina       Hungary        Philippines
  Bolivia         India          Poland
  Botswana        Indonesia      Portugal
  Brazil          Israel         Republic of
  Bulgaria        Ivory Coast    Slovakia
  Chile           Jamaica        Russia
  China           Jordan         Singapore
  Colombia        Kazakhstan     Slovenia
  Costa Rica      Kenya          South Africa
  Cyprus          Lebanon        South Korea
  Czech           Malaysia       Sri Lanka
   Republic       Mauritius      Swaziland
  Dominican       Mexico         Taiwan
   Republic       Morocco        Thailand
  Ecuador         Nicaragua      Turkey
  Egypt           Nigeria        Ukraine
  El Salvador     Oman           Uruguay
  Finland         Pakistan       Venezuela
  Ghana           Panama         Zambia
  Greece          Paraguay       Zimbabwe
</TABLE>
 
Although the Emerging Markets Fund considers each of the above-listed countries
eligible for investment, it will not be invested in all such markets at all
times. Moreover, investing in some of those markets currently may not be
desirable or feasible, due to the lack of adequate custody arrangements for the
Emerging Markets Fund's assets, overly burdensome repatriation and similar
restrictions, the lack of organized and liquid securities markets, unacceptable
political risks or for other reasons.
 
   
As used in this Prospectus, an issuer in an emerging market is an entity: (i)
for which the principal securities trading market is an emerging market, as
defined above; (ii) that (alone or on a consolidated basis) derives 50% or more
of its total revenues from business in emerging markets, provided that, in the
Sub-adviser's view, the value of such issuer's securities will tend to reflect
emerging market developments to a greater extent than developments elsewhere; or
(iii) organized under the laws of, or with a principal office in, an emerging
market.
    
 
The Emerging Markets Fund may also invest up to 35% of its total assets in (i)
debt securities of government or corporate issuers in emerging markets; (ii)
equity and debt securities of issuers in developed countries, including the
United States; (iii) securities of issuers in emerging markets not included in
the list of emerging markets above, if investing therein becomes feasible and
desirable subsequent to the date of this Prospectus; and (iv) cash and money
market instruments.
 
   
The Emerging Markets Fund invests in those emerging markets that the Sub-adviser
believes have strongly developing economies and in which the markets are
becoming more sophisticated. In selecting investments, the Sub-adviser seeks to
identify those countries and industries where economic and political factors,
including currency movements, are likely to produce above-average growth rates.
The Sub-adviser then invests in those companies in such countries and industries
that are best positioned and managed to take advantage of these economic and
political factors. The Emerging Markets Fund ordinarily will be invested in the
securities of issuers in at least three different
    
 
                               Prospectus Page 12
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
emerging markets. In evaluating investments in securities of issuers in
developed markets, the Sub-adviser will consider, among other things, the
business activities of the issuer in emerging markets and the impact that
developments in emerging markets are likely to have on the issuer.
    
 
   
The Sub-adviser believes that the issuers of securities in emerging markets
often have sales and earnings growth rates that exceed those in developed
countries and that such growth rates may in turn be reflected in more rapid
share price appreciation. Accordingly, the Sub-adviser believes that the
Emerging Markets Fund's policy of investing in equity securities of companies in
emerging markets may enable the Fund to achieve results superior to those
produced by mutual funds with similar objectives that invest solely in equity
securities of issuers domiciled in the United States and/or in other developed
markets.
    
 
INVESTMENTS IN DEBT SECURITIES. The Emerging Markets Fund may invest in debt
securities of governmental and corporate issuers in emerging markets. Emerging
market debt securities often are rated below investment grade or not rated by
U.S. rating agencies. The Emerging Markets Fund may invest up to 20% of its
total assets in debt securities rated below investment grade. Investment in
below investment grade debt securities involves a high degree of risk and can be
speculative. These debt securities are the equivalent of high yield, high risk
bonds, commonly known as "junk bonds." See "Risk Factors -- Risks Associated
with Debt Securities."
 
   
If the rating of a debt security held by the Emerging Markets Fund drops below a
minimum rating considered acceptable by the Sub-adviser, the Fund will dispose
of any such security as soon as practicable and consistent with the best
interests of the Fund and its shareholders.
    
 
Growth of capital in debt securities may arise as a result of favorable changes
in relative foreign exchange rates, in relative interest rate levels and/ or in
the creditworthiness of issuers. The receipt of income from debt securities
owned by the Emerging Markets Fund is incidental to its objective of long-term
growth of capital.
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy if
it determines such a strategy to be warranted due to market, economic, or
political conditions. Under a defensive strategy, the Emerging Markets Fund
temporarily may invest up to 100% of its assets in cash (U.S. dollars, foreign
currencies, multinational currency units) and/or high quality debt securities or
money market instruments of U.S. or foreign issuers. In addition, for temporary
defensive purposes, most or all of its investments may be made in the United
States and denominated in U.S. dollars. To the extent the Fund employs a
temporary defensive strategy, it will not be invested so as to achieve directly
its investment objective. In addition, pending investment of proceeds from new
sales of Fund shares or to meet ordinary daily cash needs, the Fund temporarily
may hold cash (U.S. dollars, foreign currencies or multinational currency units)
and may invest any portion of its assets in money market instruments. For a full
description of money market instruments in which the Funds or the Portfolio may
invest, see                               in the Statement of Additional
Information.
    
 
LATIN AMERICA GROWTH FUND
The Latin America Growth Fund's investment objective is capital appreciation.
The Fund normally invests at least 65% of its total assets in the securities of
a broad range of Latin American issuers. The Fund may invest in common stock,
preferred stock, rights, warrants and securities convertible into common stock,
and other substantially similar forms of equity securities with comparable risk
characteristics, as well as bonds, notes, debentures or other forms of
indebtedness that may be developed in the future. Normally, the Fund will invest
a majority of its assets in equity securities. The Fund may also invest up to
35% of its total assets in a combination of equity and debt securities of U.S.
issuers.
 
For purposes of this Prospectus, unless otherwise indicated, the Latin America
Growth Fund defines Latin America to include the following countries: Argentina,
the Bahamas, Barbados, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica,
Dominican Republic, Ecuador, El Salvador, French Guiana, Guatemala, Guyana,
Haiti, Honduras, Jamaica, Mexico, the Netherlands Antilles, Nicaragua, Panama,
Paraguay, Peru, Suriname, Trinidad and Tobago, Uruguay and Venezuela. Under
current market conditions, the Latin America Growth Fund expects to invest
primarily in securities issued by companies and governments in Mexico, Chile,
Brazil and Argentina. The Fund may invest more than 25% of its total assets in
any of these four countries but does not expect to invest more than 60% of its
total assets in any one country.
 
                               Prospectus Page 13
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
The Latin America Growth Fund defines securities of Latin American issuers to
include: (a) securities of companies organized under the laws of, or having a
principal office located in, a Latin American country; (b) securities of
companies that derive 50% or more of their total revenues from business in Latin
America, provided that, in the Sub-adviser's view, the value of such issuers'
securities reflect Latin American developments to a greater extent than
developments elsewhere; (c) securities issued or guaranteed by the government of
a country in Latin America, its agencies or instrumentalities, or
municipalities, or the central bank of such country; (d) U.S. dollar-denominated
securities or securities denominated in a Latin American currency issued by
companies to finance operations in Latin America; and (e) securities of Latin
American issuers, as defined herein, in the form of depositary shares. For
purposes of the foregoing definition, the Fund's purchases of securities issued
by companies outside of Latin America to finance their Latin American operations
will be limited to securities the performance of which is materially related to
such company's Latin American activities.
    
 
   
In allocating investments among the various Latin American countries, the
Sub-adviser looks principally at the stage of industrialization, potential for
productivity gains through economic deregulation, the impact of financial
liberalization and monetary conditions and the political outlook in each
country. In allocating assets between equity and debt securities, the
Sub-adviser will consider, among other factors: the level and anticipated
direction of interest rates; expected rates of economic growth and corporate
profits growth; changes in Latin American government policy including regulation
governing industry, trade, financial markets, and foreign and domestic
investment; substance and likely development of government finances; and the
condition of the balance of payments and changes in the terms of trade. In
evaluating investments in securities of U.S. issuers, the Sub-adviser will
consider, among other factors, the issuer's Latin American business activities
and the impact that development in Latin America may have on the issuer's
operations and financial condition.
    
 
Certain sectors of the economies of certain Latin American countries are closed
to equity investments by foreigners. Further, due to the absence of securities
markets and publicly owned corporations and due to restrictions on direct
investment by foreign entities in certain Latin American countries, the Latin
America Growth Fund may be able to invest in such countries solely or primarily
through governmentally approved investment vehicles or companies. In addition,
the portion of the Fund's assets invested directly in Chile may be less than the
portion invested in other Latin American countries because, at present, capital
directly invested in Chile normally cannot be repatriated for at least one year.
As a result, the Fund currently intends to limit most of its Chilean investments
to indirect investments through American Depositary Receipts ("ADRs") and
established Chilean investment companies, the shares of which are not subject to
repatriation restrictions.
 
INVESTMENTS IN DEBT SECURITIES. Under normal circumstances, the Latin America
Growth Fund may invest up to 50% of its total assets in debt securities. There
is no limitation on the percentage of its assets that may be invested in debt
securities that are rated below investment grade. Investment in below investment
grade debt securities involves a high degree of risk and can be speculative.
These debt securities are the equivalent of high yield, high risk bonds,
commonly known as "junk bonds." Most debt securities in which the Fund will
invest are not rated; if rated, it is expected that such ratings would be below
investment grade. However, the Fund will not invest in debt securities that are
in default in payment as to principal or interest. See "Risk Factors -- Risks
Associated with Debt Securities."
 
The Latin America Growth Fund may invest in "Brady Bonds," which are debt
restructurings that provide for the exchange of cash and loans for newly issued
bonds. Brady Bonds have been issued by the countries of Albania, Argentina,
Brazil, Bulgaria, Costa Rica, Dominican Republic, Ecuador, Ivory Coast, Jordan,
Mexico, Nigeria, Panama, Peru, Philippines, Poland, Uruguay, Venezuela and
Vietnam, and are expected to be issued by other emerging market countries. As of
the date of this Prospectus, the Fund is not aware of the occurrence of any
payment defaults on Brady Bonds. Investors should recognize, however, that Brady
Bonds do not have a long payment history. In addition, Brady Bonds are often
rated below investment grade.
 
The Fund may invest in either collateralized or uncollateralized Brady Bonds.
U.S. dollar-denominated, collateralized Brady Bonds, which may be fixed rate par
bonds or floating rate discount bonds, are collateralized in full as to
principal by
 
                               Prospectus Page 14
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
U.S. Treasury zero coupon bonds having the same maturity as the bonds. Interest
payments on such bonds generally are collateralized by cash or securities in an
amount that, in the case of fixed rate bonds, is equal to at least one year of
rolling interest payments or, in the case of floating rate bonds, initially is
equal to at least one year's rolling interest payments based on the applicable
interest rate at the time of issuance and is adjusted at regular intervals
thereafter.
 
Capital appreciation in debt securities may arise as a result of a favorable
change in relative foreign exchange rates, in relative interest rate levels and/
or in the creditworthiness of issuers. The receipt of income from debt
securities owned by the Latin America Growth Fund is incidental to its objective
of capital appreciation.
 
   
TEMPORARY DEFENSIVE STRATEGIES. The Latin America Growth Fund may invest up to
100% of its assets in cash (U.S. dollars, foreign currencies, multinational
units) and/or high quality debt securities or money market instruments to
generate income to defray its expenses, for temporary defensive purposes and
pending investment in accordance with its investment objective and policies. In
addition, the Fund may be primarily invested in U.S. securities for temporary
defensive purposes or pending investment of the proceeds of sales of new Fund
shares. The Fund may assume a temporary defensive position when, due to
political, market or other factors broadly affecting Latin American markets, the
Sub-adviser determines that opportunities for capital appreciation in those
markets would be significantly limited over an extended period or that investing
in those markets presents undue risk of loss. For a full description of money
market instruments, see                               in the Statement of
Additional Information.
    
 
ADDITIONAL INVESTMENT POLICIES OF EMERGING MARKETS FUND AND LATIN AMERICA GROWTH
FUND
 
   
INVESTMENT IN OTHER INVESTMENT COMPANIES OR VEHICLES. The Funds may be able to
invest in certain countries solely or primarily through governmentally
authorized investment vehicles or companies, some of which may be investment
vehicles or companies that are advised by the Sub-adviser or its affiliates
("Affiliated Funds"). Pursuant to the Investment Company Act of 1940 (the "1940
Act"), a Fund generally may invest up to 10% of its total assets in the
aggregate in shares of other investment companies and up to 5% of its total
assets in any one investment company, as long as each investment does not
represent more than 3% of the outstanding voting stock of the acquired
investment company at the time of investment.
    
 
   
Investment in other investment companies may involve the payment of substantial
premiums above the value of such investment companies' portfolio securities and
is subject to limitations under the 1940 Act and market availability. The Funds
do not intend to invest in such investment companies unless, in the judgment of
the Sub-adviser, the potential benefits of such investment justify the payment
of any applicable premium or sales charge. As a shareholder in an investment
company, a Fund would bear its ratable share of that investment company's
expenses, including its advisory and administration fees. At the same time the
Fund would continue to pay its own management fees and other expenses. The
Sub-adviser waives its advisory fee to the extent that a Fund invests in an
Affiliated Fund.
    
 
SECURITIES LENDING. The Funds may lend their portfolio securities to
broker/dealers or to other institutional investors. Securities lending allows a
Fund to retain ownership of the securities loaned and, at the same time,
enhances a Fund's total return. At all times a loan is outstanding, a Fund's
borrower must maintain with the Fund's custodian collateral consisting of cash,
U.S. government securities or certain irrevocable letters of credit equal to the
value of the borrowed securities plus any accrued interest or such other
collateral as permitted by a Fund's investment program and regulatory agencies,
and as approved by the Board. Each Fund limits its loans of portfolio securities
to an aggregate of 30% of the value of its total assets, measured at the time
any such loan is made. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the loaned securities and possible loss of rights
in the collateral should the borrower fail financially.
 
   
PRIVATIZATIONS. The governments in some emerging markets and Latin American
countries have been engaged in programs of selling part or all of their stakes
in government owned or controlled enterprises ("privatizations"). The
Sub-adviser believes that privatizations may offer opportunities for significant
capital appreciation and intends to invest assets of the Funds in privatizations
in appropriate circumstances. In certain emerging markets and
    
 
                               Prospectus Page 15
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
Latin American countries, the ability of foreign entities such as the Funds to
participate in privatizations may be limited by local law, or the terms on which
the Funds may be permitted to participate may be less advantageous than those
afforded local investors. There can be no assurance that Latin American
governments and governments in emerging markets will continue to sell companies
currently owned or controlled by them or that privatization programs will be
successful.
 
   
BORROWING. It is a fundamental policy of each Fund that it may borrow an amount
up to 33 1/3% of its total assets in order to meet redemption requests.
Borrowing may cause greater fluctuation in the value of the Funds' shares than
would be the case if the Funds did not borrow, but also may enable the Funds to
retain favorable securities positions rather than liquidating such positions to
meet redemptions. It is a nonfundamental policy of each Fund, that the Funds
will not purchase securities during times when outstanding borrowings represent
5% or more of each Fund's total assets.
    
 
   
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES. The Funds may purchase debt
securities on a "when-issued" basis and may purchase or sell such securities on
a "forward commitment" basis in order to hedge against anticipated changes in
interest rates and prices. The price, which is generally expressed in yield
terms, is fixed at the time the commitment is made, but delivery and payment for
the securities take place at a later date. When-issued securities and forward
commitments may be sold prior to the settlement date, but the Funds will
purchase or sell when-issued securities and forward commitments only with the
intention of actually receiving or delivering the securities, as the case may
be. No income accrues on securities that have been purchased pursuant to a
forward commitment or on a when-issued basis prior to delivery to the Funds. If
a Fund disposes of the right to acquire a when-issued security prior to its
acquisition or disposes of its right to deliver or receive against a forward
commitment, it may incur a gain or loss. At the time the Funds enter into a
transaction on a when-issued or forward commitment basis, that Fund will
segregate cash or liquid securities equal to the value of the when-issued or
forward commitment securities with its custodian bank and will mark to market
daily such assets. There is a risk that the securities may not be delivered and
that the Funds may incur a loss.
    
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Each Fund may use forward
currency contracts, futures contracts, options on securities, options on
indices, options on currencies and options on futures contracts to attempt to
hedge against the overall level of investment risk normally associated with the
portfolio. These instruments are often referred to as "derivatives," which may
be defined as financial instruments whose performance is derived, at least in
part, from the performance of another asset (such as a security, currency or an
index of securities). Each Fund may enter into such instruments up to the full
value of its portfolio assets. See "Risk Factors -- Options, Futures and Forward
Currency Transactions" herein and "Options, Futures and Currency Strategies" in
the Statement of Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, each Fund may enter into forward currency contracts for the purchase
or sale of a specified currency at a specified future date. Such contracts may
involve the purchase or sale of a foreign currency against the U.S. dollar or
may involve two foreign currencies. Each Fund may enter into forward currency
contracts either with respect to specific transactions or with respect to its
portfolio positions. Each Fund also may purchase and sell put and call options
on currencies, futures contracts on currencies and options on such futures
contracts to hedge against movements in exchange rates.
 
   
Only a limited market, if any, currently exists for options and futures
transactions relating to currencies of most emerging markets and most Latin
American markets, to securities denominated in such currencies or to securities
of issuers domiciled or principally engaged in business in such emerging
markets. To the extent that such a market does not exist, the Sub-adviser may
not be able to effectively hedge its investment in such markets.
    
 
   
Each Fund may purchase and sell put and call options on securities to hedge
against the risk of fluctuations in the prices of securities held by the Fund or
that the Sub-adviser intends to include in the Fund's portfolio. The Funds also
may purchase and sell put and call options on indices to hedge against overall
fluctuations in the securities markets generally or in a specific market sector.
    
 
Further, a Fund may sell stock index futures contracts and may purchase put
options or write call options on such futures contracts to protect against
 
                               Prospectus Page 16
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
a general stock market decline or a decline in a specific market sector that
could adversely affect the Fund's portfolio. A Fund also may purchase stock
index futures contracts and purchase call options or write put options on such
contracts to hedge against a general stock market or market sector advance and
thereby attempt to lessen the cost of future securities acquisitions. A Fund may
use interest rate futures contracts and options thereon to hedge the debt
portion of its portfolios against changes in the general level of interest
rates.
 
   
OTHER INFORMATION. The investment objective of the Emerging Markets Fund and of
the Latin America Growth Fund may not be changed without the approval of a
majority of the respective Fund's outstanding voting securities. A "majority of
the Fund's outstanding voting securities" means the lesser of (i) 67% of the
shares represented at a meeting at which more than 50% of the outstanding shares
are represented, or (ii) more than 50% of the outstanding shares. In addition,
the Emerging Markets Fund and the Latin America Growth Fund each have adopted
certain investment limitations as fundamental policies which also may not be
changed without shareholder approval. A complete description of these
limitations is included in the Statement of Additional Information. Unless
specifically noted, the Emerging Markets Fund's and the Latin America Growth
Fund's investment policies described in this Prospectus and in the Statement of
Additional Information may be changed by the Company's Board of Trustees without
shareholder approval. If a percentage restriction on investment or utilization
of assets in an investment policy or restriction is adhered to at the time an
investment is made, a later change in percentage ownership of a security or kind
of securities resulting from changing market values or a similar type of event
will not be considered a violation of a Fund's investment policies or
restrictions.
    
 
   
The Funds are authorized to engage in Short Sales, although they currently have
no intention of doing so, and may purchase American Depository Receipts,
American Depository Shares, Global Depository Receipts and European Depository
Receipts. See "Short Sales" and "Depository Receipts," respectively, in the
Investment Objectives and Policies section of the Statement of Additional
Information.
    
 
                               Prospectus Page 17
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that either Fund will achieve its investment
objective. Investing in either Fund entails a substantial degree of risk and an
investment in either Fund should be considered speculative. Investors are
strongly advised to consider carefully the special risks involved in emerging
markets and Latin America, which are in addition to the usual risks of investing
in developed markets around the world.
 
Each Fund's net asset value will fluctuate, reflecting fluctuations in the
market value of its portfolio positions and its net currency exposure. Equity
securities, particularly common stocks, generally represent the most junior
position in an issuer's capital structure and entitle holders to an interest in
the assets of an issuer, if any, remaining after all more senior claims have
been satisfied. The value of equity securities held by each Fund will fluctuate
in response to general market and economic developments, as well as developments
affecting the particular issuers of such securities.
 
EMERGING MARKETS FUND. Investing in emerging markets involves risks relating to
potential political and economic instability within such markets and the risks
of expropriation, nationalization, confiscation of assets and property or the
imposition of restrictions on foreign investment and on repatriation of capital
invested. In the event of such expropriation, nationalization or other
confiscation, the Emerging Markets Fund could lose its entire investment in that
market.
 
Economies in individual emerging markets may differ favorably or unfavorably
from the U.S. economy in such respects as growth of gross domestic product,
rates of inflation, currency depreciation, capital reinvestment, resource self-
sufficiency and balance of payments positions. Many emerging market countries
have experienced high rates of inflation for many years. Inflation and rapid
fluctuations in inflation rates have had and may continue to have negative
effects on the economies and securities markets of certain countries with
emerging markets.
 
Emerging markets generally are dependent heavily upon international trade and,
accordingly, have been and may continue to be affected adversely by trade
barriers, exchange controls, managed adjustments in relative currency values and
other protectionist measures imposed or negotiated by the countries with which
they trade.
 
Disclosure and regulatory standards in many respects are less stringent than in
the U.S. and other major markets. There also may be a lower level of monitoring
and regulation of emerging markets and the activities of investors in such
markets, and enforcement of existing regulations has been extremely limited. In
addition, the securities of non-U.S. issuers generally are not registered with
the SEC, nor are the issuers thereof usually subject to the SEC's reporting
requirements. Accordingly, there may be less publicly available information
about foreign securities and issuers than is available with respect to U.S.
securities and issuers. Foreign companies generally are not subject to uniform
accounting, auditing and financial reporting standards, practices and
requirements comparable to those applicable to U.S. companies. The Emerging
Markets Fund's net investment income and/or capital gains from its foreign
investment activities may be subject to non-U.S. withholding taxes.
 
In addition, brokerage commissions, custodial services and other costs relating
to investment in foreign markets generally are more expensive than in the United
States, particularly with respect to emerging markets. Such markets have
different settlement and clearance procedures. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the Emerging Markets Fund to make intended securities purchases due
to settlement problems could cause the Emerging Markets Fund to miss attractive
investment opportunities. Inability to dispose of a portfolio security caused by
settlement problems could result either in losses to the Emerging Markets Fund
due to subsequent declines in value of the portfolio security or, if the
Emerging Markets Fund has entered into a contract to sell the security, could
result in possible liability to the purchaser.
 
The securities markets of emerging countries are substantially smaller, less
developed, less liquid and
 
                               Prospectus Page 18
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
more volatile than the securities markets of the developed countries. The risk
also exists that an emergency situation may arise in one or more emerging
markets as a result of which trading of securities may cease or may be
substantially curtailed and prices for the Emerging Markets Fund's portfolio
securities in such markets may not be readily available. Section 22(e) of the
1940 Act permits a registered investment company, such as the Emerging Markets
Fund, to suspend redemption of its shares for any period during which an
emergency exists, as determined by the SEC. Accordingly, when the Emerging
Markets Fund believes that circumstances dictate, it will promptly apply to the
SEC for a determination that such an emergency exists within the meaning of
Section 22(e) of the 1940 Act. During the period commencing from the Emerging
Markets Fund's identification of such conditions until the date of any SEC
action, the Emerging Markets Fund's portfolio securities in the affected markets
will be valued at fair value determined in good faith by or under the direction
of the Company's Board of Trustees.
    
 
LATIN AMERICA GROWTH FUND. The Latin America Growth Fund is classified under the
1940 Act as a "non-diversified" fund. As a result, the Latin America Growth Fund
will be able to invest in a fewer number of issuers than if it were classified
under the 1940 Act as a "diversified" fund. To the extent that the Latin America
Growth Fund invests in a smaller number of issuers, the value of its shares may
fluctuate more widely and it may be subject to greater investment and credit
risk with respect to its portfolio.
 
Investing in securities of Latin American issuers involves risks relating to
potential political and economic instability of certain Latin American countries
and the risks of expropriation, nationalization, confiscation of assets and
property or the imposition of restrictions on foreign investment and on
repatriation of capital invested. In the event of such expropriation,
nationalization or other confiscation, the Latin America Growth Fund could lose
its entire investment in any such country.
 
The securities markets of Latin American countries are substantially smaller,
less developed, less liquid and more volatile than the major securities markets
in the United States. Disclosure and regulatory standards are in many respects
less stringent than U.S. standards. Furthermore, there is a lower level of
monitoring and regulation of the markets and the activities of investors in such
markets, and enforcement of existing regulations has been extremely limited.
 
The limited size of many Latin American securities markets and limited trading
volume in issuers compared to volume of trading in U.S. securities could cause
prices to be erratic for reasons apart from factors that affect the quality of
the securities. For example, limited market size may cause prices to be unduly
influenced by traders who control large positions. Adverse publicity and
investors' perceptions, whether or not based on fundamental analysis, may
decrease the value and liquidity of portfolio securities, especially in these
markets.
 
Further, there is a risk that an emergency situation may arise in one or more
Latin American markets as a result of which prices for portfolio securities in
such markets may not be readily available. Accordingly, when the Latin America
Growth Fund believes that circumstances dictate, it will follow the procedures
as described above concerning the Emerging Markets Fund.
 
The economies of individual Latin American countries may differ favorably or
unfavorably from the U.S. economy in such respects as the rate of growth of
gross domestic product, the rate of inflation, capital reinvestment, resource
self-sufficiency and balance of payments position. Most Latin American countries
have experienced substantial, and in some periods extremely high, rates of
inflation for many years. Inflation and rapid fluctuations in inflation rates
have had and may continue to have very negative effects on the economies and
securities markets of certain Latin American countries. Furthermore, certain
Latin American countries may impose withholding taxes on dividends payable to
the Latin America Growth Fund at a higher rate than those imposed by other
foreign countries. This may reduce the Latin America Growth Fund's investment
income available for distribution to shareholders.
 
Companies in Latin America are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from those
applicable to U.S. companies. There is substantially less publicly available
information about Latin American companies and the governments of Latin American
countries than there is about U.S. companies and the U.S. Government.
 
Certain Latin American countries are among the largest debtors to commercial
banks and foreign
 
                               Prospectus Page 19
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
governments. At times certain Latin American countries have declared moratoria
on the payment of principal and/or interest on external debt. The Fund may
invest in debt securities, including Brady Bonds, issued as part of debt
restructurings and such debt is to be considered speculative. There is a history
of defaults with respect to commercial bank loans by public and private entities
issuing Brady Bonds.
 
RISKS ASSOCIATED WITH DEBT SECURITIES. The value of the debt securities held by
the Emerging Markets Fund or by the Latin America Growth Fund generally will
vary inversely with market interest rates. If interest rates in a market fall,
the Funds' debt securities issued by governments or companies in that market
ordinarily will increase in value. If market interest rates increase, however,
the debt securities owned by the Funds in that market will likely decrease in
value.
 
The Emerging Markets Fund may invest up to 20% of its total assets in debt
securities rated below investment grade and the Latin America Growth Fund may
invest up to 50% of its total assets in debt securities of any rating. Such
investments involve a high degree of risk.
 
Debt rated Baa by Moody's Investors Service, Inc. ("Moody's") is considered by
Moody's to have speculative characteristics. Debt rated BB, B, CCC, CC or C by
Standard & Poor's, a division of The McGraw-Hill Companies, Inc. ("S&P"), and
debt rated Ba, B, Caa, Ca or C by Moody's is regarded, on balance, as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligation. While such
lower quality debt will likely have some quality and protective characteristics,
these are outweighed by large uncertainties or major risk exposures to adverse
conditions. Debt rated C by Moody's or S&P is the lowest rated debt that is not
in default as to principal or interest and such issues so rated can be regarded
as having extremely poor prospects of ever attaining any real investment
standing. Lower quality debt securities are also generally considered to be
subject to greater risk than securities with higher ratings with regard to a
deterioration of general economic conditions. These foreign debt securities are
the equivalent of high yield, high risk bonds, commonly known as "junk bonds."
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit ratings in response to subsequent events, so that an issuer's
current financial condition may be better or worse than a rating indicates.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. Issuers of lower quality securities are often highly
leveraged and may not have available to them more traditional methods of
financing. For example, during an economic downturn or a sustained period of
rising interest rates, highly leveraged issuers of lower quality securities may
experience financial stress. During such periods, such issuers may not have
sufficient revenues to meet their interest payment obligations. The issuer's
ability to service its debt obligations may also be adversely affected by
specific developments affecting the issuer, such as the issuer's inability to
meet specific projected business forecasts or the unavailability of additional
financing. Similarly, certain emerging market and Latin American governments
that issue lower quality debt securities are among the largest debtors to
commercial banks, foreign governments and supranational organizations such as
the World Bank, and may not be able or willing to make principal and/or interest
repayments as they come due. The risk of loss due to default by the issuer is
significantly greater for the holders of lower quality securities because such
securities are generally unsecured and may be subordinated to the claims of
other creditors of the issuer.
 
Lower quality debt securities frequently have call or buy-back features which
would permit an issuer to call or repurchase the security from the Funds. In
addition, the Funds may have difficulty disposing of lower quality securities
because they may have a thin trading market. There may be no established retail
secondary market for many of these securities, and either Fund anticipates that
such securities could be sold only to a limited number of dealers or
institutional investors. The lack of a liquid secondary market also may have an
adverse impact on market prices of such instruments and may
 
                               Prospectus Page 20
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
make it more difficult for the Funds to obtain accurate market quotations for
purposes of valuing the Funds' portfolios. The Funds may also acquire lower
quality debt securities during an initial underwriting or which are sold without
registration under applicable securities laws. Such securities involve special
considerations and risks.
 
In addition to the foregoing, factors that could have an adverse effect on the
market value of lower quality debt securities in which the Funds may invest
include: (i) potential adverse publicity; (ii) heightened sensitivity to general
economic or political conditions; and (iii) the likely adverse impact of a major
economic recession.
 
A Fund may also incur additional expenses to the extent it is required to seek
recovery upon a default in the payment of principal or interest on its portfolio
holdings, and a Fund may have limited legal recourse in the event of a default.
Debt securities issued by governments in emerging or Latin American markets can
differ from debt obligations issued by private entities in that remedies from
defaults generally must be pursued in the courts of the defaulting government,
and legal recourse is therefore somewhat diminished. Political conditions, in
terms of a government's willingness to meet the terms of its debt obligations,
also are of considerable significance. There can be no assurance that the
holders of commercial bank debt may not contest payments to the holders of debt
securities issued by governments in emerging or Latin American markets in the
event of default by the governments under commercial bank loan agreements.
 
   
ILLIQUID SECURITIES. The Emerging Markets Fund may invest up to 15% of its net
assets, and the Latin America Growth Fund may invest up to 10% of its net assets
in securities for which no readily available market exists, so-called "Illiquid
Securities." The Latin America Growth Fund may invest in joint ventures,
cooperatives, partnerships and state enterprises and other similar vehicles
which are illiquid (collectively, "Special Situations"). The Sub-adviser
believes that carefully selected investments in Special Situations could enable
the Latin America Growth Fund to achieve capital appreciation substantially
exceeding the appreciation the Fund would realize if it did not make such
investments. However, in order to limit investment risk, the Latin America
Growth Fund will invest no more than 5% of it total assets in Special
Situations.
    
 
   
Illiquid securities may be more difficult to value than liquid securities and
the sale of illiquid securities generally will require more time and result in
higher brokerage charges or dealer discounts and other selling expenses than the
sale of liquid securities. Moreover, illiquid securities often sell at a price
lower than similar securities that are liquid.
    
 
CURRENCY RISK. Because the Emerging Markets Fund and the Latin America Growth
Fund may invest substantially in securities denominated in currencies other than
the U.S. dollar, and since the Funds may hold foreign currencies, each Fund will
be affected favorably or unfavorably by exchange control regulations or changes
in the exchange rates between such currencies and the U.S. dollar. Changes in
currency exchange rates will influence the value of each Fund's shares, and also
may affect the value of dividends and interest earned by the Funds and gains and
losses realized by the Funds. Currencies generally are evaluated on the basis of
fundamental economic criteria (e.g., relative inflation and interest rate levels
and trends, growth rate forecasts, balance of payments status and economic
policies) as well as technical and political data. Exchange rates are determined
by the forces of supply and demand in the foreign exchange markets. These forces
are affected by the international balance of payments and other economic and
financial conditions, government intervention, speculation and other factors. If
the currency in which a security is denominated appreciates against the U.S.
dollar, the dollar value of the security will increase. Conversely, a decline in
the exchange rate of the currency would adversely affect the value of the
security expressed in dollars.
 
Many of the currencies of emerging market and Latin American countries have
experienced steady devaluations relative to the U.S. dollar, and major
devaluations have historically occurred in certain countries. Any devaluations
in the currencies in which a Fund's portfolio securities are denominated may
have a detrimental impact on the Fund.
 
Some countries also may have fixed currencies whose values against the U.S.
dollar are not independently determined. In addition, there is a risk that
certain countries may restrict the free conversion of their currencies into
other currencies. Further, certain currencies may not be internationally traded.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS. Although either Fund is
authorized to enter
 
                               Prospectus Page 21
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
into options, futures and forward currency transactions, a Fund might not enter
into any such transactions. Options, futures and foreign currency transactions
involve certain risks, which include: (1) dependence on the Sub-adviser's
ability to predict movements in the prices of individual securities,
fluctuations in the general securities markets and movements in interest rates
and currency markets; (2) imperfect correlation, or even no correlation, between
movements in the price of forward contracts, options, futures contracts or
options thereon and movements in the price of the currency or security hedged or
used for cover; (3) the fact that skills and techniques needed to trade options,
futures contracts and options thereon or to use forward currency contracts are
different from those needed to select the securities in which the Funds invest;
(4) lack of assurance that a liquid secondary market will exist for any
particular option, futures contract or option thereon at any particular time;
(5) the possible loss of principal under certain conditions; and (6) the
possible inability of a Fund to purchase or sell a portfolio security at a time
when it would otherwise be favorable for it to do so, or the possible need for a
Fund to sell a security at a disadvantageous time, due to the need for the Fund
to maintain "cover" or to set aside securities in connection with hedging
transactions.
    
 
                               Prospectus Page 22
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Shares of a Fund may be purchased through Financial Institutions, some
of which may charge the investor a transaction fee. That fee will be in addition
to the sales charge payable by the investor, with respect to Class A shares.
Some of these Financial Institutions (or their designees) may be authorized to
accept purchase orders on behalf of the Fund. All purchase orders will be
executed at the public offering price next determined after the purchase order
is received, which includes any applicable sales charge for Class A shares.
Orders received by the Transfer Agent before the close of regular trading on the
New York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern Time, unless
weather, equipment failure or other factors contribute to an earlier closing
time), on any Business Day will be executed at the public offering price for the
applicable class of shares determined that day. Orders received by authorized
institutions (or their designees) before the close of regular trading on the
NYSE on a Business Day will be deemed to have been received by a Fund on such
day and will be effected that day, provided that such orders are transmitted to
the Transfer Agent prior to the time set for receipt of such orders. A "Business
Day" is any day Monday through Friday on which the NYSE is open for business.
Financial Institutions are responsible for forwarding the investor's order to
the Transfer Agent so that it will be received prior to the required time.
    
 
   
The minimum initial investment is $500 ($100 for IRAs and $25 for custodial
accounts under Section 403(b)(7) of the Internal Revenue Code of 1986, as
amended (the "Code"), and other tax-qualified employer-sponsored retirement
accounts, if made under a systematic investment plan providing for monthly
payments of at least that amount). The minimum for additional purchases is $100
($25 for IRAs, Code Section 403(b)(7) custodial accounts and other tax-qualified
employer-sponsored retirement accounts, as mentioned above). THE FUNDS AND AIM
DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER AND TO SUSPEND THE
OFFERING OF SHARES FOR A PERIOD OF TIME. In particular, the Funds and AIM
Distributors may reject purchase orders or exchanges by investors who appear to
follow, in the Sub-adviser's judgment, a market-timing strategy or otherwise
engage in excessive trading. See "How to Make Exchanges -- Limitations on
Purchase Orders and Exchanges."
    
   
WHEN PLACING PURCHASE ORDERS, INVESTORS SHOULD SPECIFY WHETHER THE ORDER IS FOR
CLASS A OR CLASS B SHARES OF A FUND. ALL PURCHASE ORDERS THAT FAIL TO SPECIFY A
CLASS WILL AUTOMATICALLY BE INVESTED IN CLASS A SHARES. AIM DISTRIBUTORS WILL
REJECT ANY ORDER FOR PURCHASE OF MORE THAN 250,000 CLASS B SHARES.
    
 
   
PURCHASES THROUGH GT GLOBAL. After an initial investment is made and a
shareholder account is established through a Financial Institution, at the
investor's option, subsequent purchases may be made directly through GT Global.
See "Shareholder Account Manual." Investors may also make an initial investment
in a Fund and establish a shareholder account directly through the Transfer
Agent by completing and signing an Account Application accompanying this
Prospectus. Investors should mail to the Transfer Agent the completed
Application together with a check to cover the purchase in accordance with the
instructions provided in the Shareholder Account Manual. Purchases will be
executed at the public offering price next determined after the Transfer Agent
has received the Account Application and check. Subsequent investments do not
need to be accompanied by an application.
    
 
   
Investors also may purchase shares of the Funds by bank wire. Bank wire
purchases will be effected at the next determined public offering price after
the bank wire is received. A wire investment is considered received when the
Transfer Agent is notified that the bank wire has been credited to a Fund. The
investor is responsible for providing prior telephonic or facsimile notice to
the Transfer Agent that a bank wire is being sent. An investor's bank may charge
a service fee for wiring money to the Funds. The Transfer Agent currently does
not charge a service fee for facilitating wire purchases, but reserves the right
to do so in the future. Investors desiring to open an account by bank wire
should call the Transfer Agent at the appropriate toll-free number provided in
the Shareholder Account Manual to obtain an account number and detailed
instructions.
    
 
CERTIFICATES. Physical certificates representing a Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of
 
                               Prospectus Page 23
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
a Fund are recorded on a register by the Transfer Agent, and shareholders who do
not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
of properly executed certificates is required. ACCORDINGLY, THE FUNDS AND GT
GLOBAL RECOMMEND THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
 
DIFFERENCES BETWEEN THE CLASSES. The primary difference between the classes of
each Fund's shares offered through this Prospectus lies in their sales charge
structures and ongoing expenses, as summarized below. Class A and Class B shares
of a Fund represent interests in the same Fund and have the same rights, except
that each class bears the separate expenses of its 12b-1 distribution plan and
has exclusive voting rights with respect to such plan, each class can experience
other minor expense differences and, in addition to different sales charges,
each class has a separate exchange privilege.
 
   
The decision as to which class of shares is more beneficial to an investor
depends on the amount invested, the intended length of time the investment is
held and the investor's personal situation. Large investments may qualify for a
reduced Class A sales charge. Investors in Class B shares have 100% of the
purchase invested immediately. Consult your financial adviser. Financial
Institutions may receive different levels of compensation for selling a
particular class of shares.
    
 
   
[ADVISOR CLASS SHARES. Advisor Class shares are offered through a separate
prospectus to (a) trustees or other fiduciaries purchasing shares for employee
benefit plans that are sponsored by organizations that have at least 1,000
employees; (b) any account with assets of at least $10,000 if (i) a financial
planner, trust company, bank trust department or registered investment adviser
has investment discretion over the account and (ii) the account holder pays such
person as compensation for its advice and other services an annual fee of at
least .50% of the assets in the account; (c) any account with assets of at least
$10,000 if (i) the account is established under a "wrap fee" program and (ii)
the account holder pays the sponsor of the program an annual fee of at least
 .50% of the assets in the account; (d) accounts advised by one of the companies
composing or affiliated with AMVESCAP PLC; and (e) any of those companies.]
    
 
                           PURCHASING CLASS A SHARES
 
   
Each Fund's public offering price for Class A shares is the next determined net
asset value per share (see "Calculation of Net Asset Value") plus a sales charge
determined in accordance with the following schedule:
    
 
   
<TABLE>
<CAPTION>
                                                          DEALER
                        INVESTOR'S SALES CHARGE         CONCESSION
                    --------------------------------  ---------------
                         AS A             AS A             AS A
                      PERCENTAGE       PERCENTAGE       PERCENTAGE
AMOUNT OF               OF THE           OF THE           OF THE
INVESTMENT              PUBLIC             NET            PUBLIC
IN SINGLE              OFFERING          AMOUNT          OFFERING
TRANSACTION              PRICE          INVESTED           PRICE
- ------------------  ---------------  ---------------  ---------------
<S>                 <C>              <C>              <C>
Less than
  $50,000.........           4.75%            4.99%           4.00%
$50,000 but less
  than $100,000...           4.00             4.17            3.25
$100,000 but less
  than $250,000...           3.75             3.90            3.00
$250,000 but less
  than $500,000...           2.50             2.56            2.00
$500,000 but less
  than
  $1,000,000......           2.00             2.04            1.60
</TABLE>
    
 
   
PURCHASES OF $1,000,000 OR MORE ARE AT NET ASSET VALUE, SUBJECT TO A CONTINGENT
DEFERRED SALES CHARGE OF 1% IF SHARES ARE REDEEMED PRIOR TO 18 MONTHS FROM THE
DATE SUCH SHARES WERE PURCHASED. AIM Distributors may pay a dealer concession
and/or advance a service fee on such transactions. Shares purchased prior to
June 1, 1998 without a sales charge based on the aggregate purchase amount equal
to at least $500,000 are subject to a contingent deferred sales charge for the
first year after their purchase equal to 1% of the lower of the original
purchase price or the net asset value of such shares at the time of redemption.
    
 
   
Reductions in the initial sales charges shown in the sales charge tables
(quantity discounts) apply to purchases of Class A shares of the GT Global
Mutual Funds that are otherwise subject to an initial sales charge, provided
that such purchases are made by a "purchaser" as hereinafter defined. Purchases
of Class B shares of the GT Global Mutual Funds and The AIM Family of Funds will
not be taken into account in determining whether a purchase qualifies for a
reduction in initial sales charges.
    
 
   
The term "purchaser" means:
    
 
   
/ / an individual and his or her spouse and children, including any trust
    established exclusively for the benefit of any such person; or a pension,
    profit-sharing, or other benefit plan established
    
 
                               Prospectus Page 24
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
  exclusively for the benefit of any such person, such as an IRA, Roth IRA, a
    single-participant money- purchase/profit-sharing plan or an individual
    participant in a 403(b) Plan (unless such 403(b) plan qualifies as the
    purchaser as defined below);
    
 
   
/ / a 403(b) plan, the employer/sponsor of which is an organization described
    under Section 501(c)(3) of the Code, provided that:
    
 
   
  a. the employer/sponsor must submit contributions for all participating
     employees in a single contribution transmittal (i.e., the funds will not
     accept contributions submitted with respect to individual participants);
    
 
   
  b. each transmittal must be accompanied by a single check or wire transfer;
     and
    
 
   
  c. all new participants must be added to the 403(b) plan by submitting an
     application on behalf of each new participant with the contribution
     transmittal;
    
 
   
/ / a trustee or fiduciary purchasing for a single trust, estate or single
    fiduciary account (including a pension, profit-sharing or other employee
    benefit trust created pursuant to a plan qualified under Section 401 of the
    Code) and 457 plans, although more than one beneficiary or participant is
    involved;
    
 
   
/ / a Simplified Employee Pension ("SEP"), Salary Reduction and other Elective
    Simplified Employee Pension account ("SARSEP"), a Savings Incentive Match
    Plans for Employees IRA ("SIMPLE IRA") where the employer has notified AIM
    Distributors in writing that all of its related employee SEP, SARSEP or
    SIMPLE IRA accounts should be linked;
    
 
   
/ / any other organized group of persons, whether incorporated or not, provided
    the organization has been in existence for at least six months and has some
    purpose other than the purchase at a discount of redeemable securities of a
    registered investment company; or
    
 
   
/ / the discretionary advised accounts of AIM or A I M Capital Management, Inc.
    ("AIM Capital").
    
 
   
SALES CHARGE WAIVERS -- CLASS A SHARES. The following persons may purchase Class
A shares of the Funds through AIM Distributors without payment of an initial
sales charge: (a) AIM Management Group Inc. ("AIM Management") and its
affiliated companies; (b) any current or retired officer, director, trustee or
employee, or any member of the immediate family (including spouse, children,
parents and parents of spouse) of any such person, of AIM Management or its
affiliates or of certain mutual funds which are advised or managed by AIM; or
any trust established exclusively for the benefit of such persons; (c) any
employee benefit plan established for employees of AIM Management or its
affiliates; (d) any current or retired officer, director, trustee or employee,
or any member of the immediate family (including spouse, children, parents and
parents of spouse) of any such person, or of CIGNA Corporation or of any of its
affiliated companies, or of First Data Investor Services Group (formerly The
Shareholders Services Group, Inc.); (e) any investment company sponsored by
CIGNA Investments, Inc. or any of its affiliated companies for the benefit of
its directors' deferred compensation plans; (f) discretionary advised clients of
AIM or AIM Capital; (g) registered representatives and employees of dealers who
have entered into agreements with AIM Distributors (or financial institutions
that have arrangements with such dealers with respect to the sale of shares of
the GT Global Mutual Funds or funds of The AIM Family of Funds) and any member
of the immediate family (including spouse, children, parents and parents of
spouse) of any such person, provided that purchases at net asset value are
permitted by the policies of such person's employer; (h) certain broker-dealers,
investment advisers or bank trust departments that provide asset allocation,
similar specialized investment services or investment company transaction
services for their customers, that charge a minimum annual fee for such
services, and that have entered into an agreement with AIM Distributors with
respect to their use of the GT Global Mutual Funds or funds of The AIM Family of
Funds in connection with such services; (i) employees of Triformis Inc.; (j)
shareholders of any of the GT Global Mutual Funds as of April 30, 1987 who since
that date continually have owned shares of one or more of the GT Global Funds;
and (k) certain former AMA Investment Advisers' shareholders who became
shareholders of the GT Global Health Care Fund in October 1989, and who have
continuously held shares in the GT Global Mutual Funds since that time.
    
 
   
In addition, shares of any GT Global Mutual Fund may be purchased at net asset
value, without payment of a sales charge, by pension, profit-sharing or other
employee benefit plans created pursuant to a plan qualified under Section 401 of
the Code or plans under Section 457 of the Code, or employee benefit plans
created pursuant to Section 403(b) of the Code and sponsored by nonprofit
organizations defined under Section 501(c)(3) of the Code. Such plans will
qualify for purchases at net asset value provided that (1) the total amount
invested in the plan is at least
    
 
                               Prospectus Page 25
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
$1,000,000, (2) the sponsor signs a $1,000,000 Letter of Intent, (3) such shares
are purchased by an employer-sponsored plan with at least 100 eligible
employees, or (4) all of the plan's transactions are executed through a single
financial institution or service organization who has entered into an agreement
with AIM Distributors with respect to their use of the GT Global Mutual Funds in
connection with such accounts. Section 403(b) plans sponsored by public
educational institutions will not be eligible for net asset value purchases
based on the aggregate investment made by the plan or the number of eligible
employees. Participants in such plans will be eligible for reduced sales charges
based solely on the aggregate value of their individual investments in the
applicable GT Global Mutual Fund. AIM Distributors may pay investment dealers or
other financial service firms for share purchases of the GT Global Mutual Funds
sold at net asset value to an employee benefit plan in accordance with this
paragraph as follows: 1% of the first $2 million of such purchases, plus 0.80%
of the next $1 million of such purchases, plus 0.50% of the next $17 million of
such purchases, and plus 0.25% of amounts in excess of $20 million of such
purchases.
    
 
   
FOR ANY FUND NAMED ON THE COVER PAGE OF THIS PROSPECTUS, AIM DISTRIBUTORS AND
ITS AGENTS RESERVE THE RIGHT AT ANY TIME (1) TO WITHDRAW ALL OR ANY PART OF THE
OFFERING MADE BY THIS PROSPECTUS; (2) TO REJECT ANY PURCHASE OR EXCHANGE ORDER
OR TO CANCEL ANY PURCHASE DUE TO NONPAYMENT OF THE PURCHASE PRICE; (3) TO
INCREASE, WAIVE OR LOWER THE MINIMUM INVESTMENT REQUIREMENTS; OR (4) TO MODIFY
ANY OF THE TERMS OR CONDITIONS OF PURCHASE OF SHARES OF SUCH FUND. For any Fund
named on the cover page, AIM Distributors and its agents will use their best
efforts to provide notice of any such actions through correspondence with
broker-dealers and existing shareholders, supplements to the GT Global Mutual
Funds' prospectuses, or other appropriate means, and will provide sixty (60)
days' notice in the case of termination or material modification to the exchange
privilege discussed under the caption "How to Make Exchanges."
    
 
REINSTATEMENT PRIVILEGE. Shareholders who redeem their Class A shares in a Fund
have a one-time privilege of reinstating their investment by investing the
proceeds of the redemption at net asset value without a sales charge in Class A
shares of the Fund and/or one or more of the other GT Global Mutual Funds. The
Transfer Agent must receive from the investor or the investor's broker/dealer
within 180 days after the date of the redemption both a written request for
reinvestment and a check not exceeding the amount of the redemption proceeds.
The reinstatement purchase will be effected at the net asset value per share
next determined after such receipt. Gain on the redemption is taxable
notwithstanding exercise of the reinvestment privilege (although loss thereon
might not be deductible as a result of such exercise). See "Dividends, Other
Distributions and Federal Income Taxation."
 
   
REDUCED SALES CHARGE PLANS -- CLASS A SHARES. Class A shares of the Funds may be
purchased at reduced sales charges either through the Right of Accumulation or
under a Letter of Intent. Investors should contact their Financial Institution
or the Transfer Agent for more information.
    
 
   
RIGHT OF ACCUMULATION. Pursuant to the Right of Accumulation, investors are
permitted to purchase shares of the Funds at the sales charge applicable to the
total of (a) the dollar amount then being purchased plus (b) the dollar amount
of the investor's concurrent purchases of other GT Global Mutual Funds (other
than GT Global Dollar Fund) plus (c) the price of all shares of GT Global Mutual
Funds (other than shares of GT Global Dollar Fund not acquired by exchange) and
funds of The AIM Family of Funds already held by the investor. To receive the
Right of Accumulation, at the time of purchase investors must give their
Financial Institution, the Transfer Agent or AIM Distributors sufficient
information to permit confirmation of qualification. THE FOREGOING RIGHT OF
ACCUMULATION APPLIES ONLY TO CLASS A SHARES OF THE FUNDS AND OTHER GT GLOBAL
MUTUAL FUNDS (OTHER THAN GT GLOBAL DOLLAR FUND).
    
 
LETTER OF INTENT. In executing a Letter of Intent ("LOI") an investor indicates
an aggregate investment amount he or she intends to invest in Class A shares of
the Funds and the Class A shares of other GT Global Mutual Funds (other than
shares of GT Global Dollar Fund) in the following thirteen months. The LOI is
included as part of the Account Application located at the end of this
Prospectus. The sales charge applicable to that aggregate amount then becomes
the applicable sales charge on all purchases made concurrently with the
execution of the LOI and in the thirteen months following that execution. If an
investor executes an LOI within 90 days of a prior purchase of GT Global Mutual
Fund Class A shares (other than GT Global Dollar Fund), the prior purchase may
be included under the LOI and an appropriate adjustment, if any, with respect to
the sales charges paid by the investor in connection with the prior
 
                               Prospectus Page 26
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
purchase will be made, based on the then-current net asset value(s) of the
pertinent Fund(s).
 
   
If at the end of the thirteen month period covered by the LOI the total amount
of purchases does not equal the amount indicated, the investor will be required
to pay the difference between the sales charges paid at the reduced rate and the
sales charges applicable to the purchases actually made. Shares having a value
equal to 5% of the amount specified in the LOI will be held in escrow during the
thirteen month period (while remaining registered in the investor's name) and
are subject to redemption to assure any necessary payment to AIM Distributors of
a higher applicable sales charge.
    
 
Investors should be aware that either Fund may, in the future, suspend the
offering of its shares although not for previously established LOIs. The Latin
America Growth Fund has previously suspended the offering of its shares. If all
ongoing sales of either Fund shares are suspended, however, an LOI executed in
connection with the offering of that Fund's shares may continue to be completed
by the purchase of shares of one or more other GT Global Mutual Funds (other
than GT Global Dollar Fund).
 
   
For purposes of an LOI, any registered investment adviser, trust company or bank
trust department which exercises investment discretion and which intends within
thirteen months to invest $500,000 or more can be treated as a single purchaser,
provided further that such entity places all purchase and redemption orders.
Such entities should be prepared to establish their qualifications for such
treatment. THE FOREGOING LOI APPLIES ONLY TO CLASS A SHARES OF THE FUNDS AND
OTHER GT GLOBAL MUTUAL FUNDS (OTHER THAN GT GLOBAL DOLLAR FUND).
    
 
   
CONTINGENT DEFERRED SALES CHARGE. A CONTINGENT DEFERRED SALES CHARGE OF 1%
APPLIES TO PURCHASES OF CLASS A SHARES OF $1,000,000 OR MORE THAT ARE REDEEMED
WITHIN 18 MONTHS OF THE DATE OF PURCHASE. This charge will be 1% of the lesser
of the value of the shares redeemed (excluding reinvested dividends and capital
gain distributions) or the total original cost of such shares. In determining
whether a contingent deferred sales charge is payable, and the amount of any
such charge, shares not subject to the contingent deferred sales charge are
redeemed first (including shares purchased by reinvested dividends and capital
gains distributions and amounts representing increases from capital
appreciation), and then other shares are redeemed in the order of purchase. No
such charge will be imposed upon exchanges unless the shares acquired by
exchange are redeemed within 18 months of the date the shares were originally
purchased. For purposes of computing this 18 MONTH PERIOD, shares of any GT
Global Mutual Fund which were acquired through an exchange of shares which
previously were subject to the 1% contingent deferred sales charge will be
credited with the period of time such exchanged shares were held. The charge
will be waived in the following circumstances: (l) redemptions of shares by
employee benefit plans ("Plans") qualified under Sections 401 or 457 of the
Code, or Plans created under Section 403(b) of the Code and sponsored by
nonprofit organizations as defined under Section 501(c)(3) of the Code, where
shares are being redeemed in connection with employee terminations or
withdrawals, and (a) the total amount invested in a Plan is at least $1,000,000,
(b) the sponsor of a Plan signs a letter of intent to invest at least $1,000,000
in one or more of the GT Global Mutual Funds and AIM Funds, or (c) the shares
being redeemed were purchased by an employer-sponsored Plan with at least 100
eligible employees; provided, however, that Plans created under Section 403(b)
of the Code which are sponsored by public educational institutions shall qualify
under (a), (b) or (c) above on the basis of the value of each Plan participant's
aggregate investment in the GT Global Mutual Funds and AIM Funds, and not on the
aggregate investment made by the Plan or on the number of eligible employees;
(2) redemptions of shares following the death or post-purchase disability, as
defined in Section 72(m)(7) of the Code, of a shareholder or a settlor of a
living trust; (3) redemptions of shares purchased at net asset value by private
foundations or endowment funds where the initial amount invested was at least
$1,000,000; (4) redemptions of shares purchased by an investor in amounts of
$1,000,000 or more where such investor's dealer of record, due to the nature of
the investor's account, notifies AIM Distributors prior to the time of
investment that the dealer waives the payments otherwise payable to the dealer
by AIM Distributors; and (5) pursuant to a Systematic Withdrawal Plan, provided
that amounts withdrawn under such plan do not exceed on an annual basis 12% of
the value of the shareholder's investment in Class A shares at the time the
shareholder elects to participate in the Systematic Withdrawal Plan.
Shareholders who purchased $500,000 or more of Class A shares prior to June 1,
1998 are entitled to certain waivers of the contingent deferred sales charge on
those shares as described in the Statement of Additional Information under
"Information Relating to Sales and Redemptions --
    
 
                               Prospectus Page 27
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
Sales Charge Waivers for Shares Purchased Prior to June 1, 1998".
    
 
                           PURCHASING CLASS B SHARES
 
Each Fund's public offering price for Class B shares is the next determined net
asset value per share. See "Calculation of Net Asset Value." No initial sales
charge is imposed. A contingent deferred sales charge, however, is imposed on
certain redemptions of Class B shares. Because Class B shares are sold without
an initial sales charge, the Fund receives the full amount of the investor's
purchase payment. Class B shares may not be purchased for a Savings Incentive
Match Plan for Employees IRA ("SIMPLE IRA") for which a designated financial
institution was selected by the employer on Form 5305-SIMPLE. However, Class B
shares may be purchased for SIMPLE IRAs using Form 5304-SIMPLE. In addition,
Class A shares may be purchased for all SIMPLE IRAs.
 
   
Class B shares may be redeemed on any business day at the net asset value per
share next determined following receipt of the redemption order, less the
applicable contingent deferred sales charge shown in the table below. No
deferred sales charge will be imposed (i) on redemptions of Class B shares
following six years from the date such shares were purchased, (ii) on Class B
shares acquired through reinvestments of dividends and distributions
attributable to Class B shares or (iii) on amounts that represent capital
appreciation in the shareholder's account above the purchase price of the Class
B shares.
    
 
   
<TABLE>
<CAPTION>
                              CONTINGENT DEFERRED SALES
                                CHARGE AS % OF DOLLAR
YEARS SINCE PURCHASE MADE     AMOUNT SUBJECT TO CHARGE
- ---------------------------  ---------------------------
<S>                          <C>
First......................              5%
Second.....................              4%
Third......................              3%
Fourth.....................              3%
Fifth......................              2%
Sixth......................              1%
Seventh and Following......             None
</TABLE>
    
 
   
In determining whether a contingent deferred sales charge is applicable, it will
be assumed that a redemption is made first, of any shares held in the
shareholder's account that are not subject to such charge; second, of shares
derived from reinvestment of dividends and distributions; third, of shares held
for more than six years from the date such shares were purchased; and fourth, of
shares held less than six years from the date such shares were purchased. The
applicable sales charge will be applied against the lesser of the current market
value of shares redeemed or their original cost.
    
 
For example, assume an investor purchased 100 shares at $10 per share for a cost
of $1,000. Subsequently, the shareholder acquired 15 additional shares through
dividend reinvestment. During the second year after the purchase, the investor
decided to redeem $500 of his or her investment. Assuming at the time of the
redemption a net asset value of $11 per share, the value of the investor's
shares would be $1,265 (115 shares at $11 per share). The contingent deferred
sales charge would not be applied to the value of the reinvested dividend
shares. Therefore, the 15 shares currently valued at $165 would be redeemed
without a contingent deferred sales charge. The number of shares needed to fund
the remaining $335 of the redemption would equal 30.455. Using the lower of cost
or market price to determine the contingent deferred sales charge the original
purchase price of $10 per share would be used. The contingent deferred sales
charge calculation would therefore be 30.455 shares times $10 per share at a
contingent deferred sales charge rate of 4% (the applicable rate in the second
year after purchase) for a total contingent deferred sales charge of $12.18.
 
Class B shares that are acquired pursuant to the exchange privilege during a
tender offer by GT Global Floating Rate Fund, Inc. ("Floating Rate Fund") will
be subject, in lieu of the contingent deferred sales charge described above, to
a contingent deferred sales charge equivalent to the early withdrawal charge on
the common stock of the Floating Rate Fund. The purchase of Class B shares of
the Fund will be deemed to have occurred at the time of the initial purchase of
the Floating Rate Fund's common stock.
 
   
For federal income tax purposes, the amount of the contingent deferred sales
charge will reduce the gain or increase the loss, as the case may be, realized
on a redemption. The amount of any contingent deferred sales charge will be
payable to AIM Distributors.
    
 
   
CONTINGENT DEFERRED SALES CHARGE WAIVERS. Contingent deferred sales charges on
Class B shares will be waived on redemptions (1) following the death or
post-purchase disability, as defined in Section 72(m)(7) of the Code, of a
shareholder or a settlor of a living trust (provided AIM Distributors is
notified of such death or post-purchase disability at the time of the redemption
request and is provided with satisfactory evidence of such death or
post-purchase disability), (2) in connection with certain distributions from
individual retirement accounts, custodial accounts maintained pursuant to Code
Section 403(b), deferred compensation plans qualified under Code Section 457 and
    
 
                               Prospectus Page 28
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
plans qualified under Code Section 401 (collectively, "Retirement Plans'), (3)
pursuant to a Systematic Withdrawal Plan, provided that amounts withdrawn under
such plan do not exceed on an annual basis 12% of the value of the shareholder's
investment in Class B shares at the time the shareholder elects to participate
in the Systematic Withdrawal Plan, (4) effected pursuant to the right of a GT
Global Mutual Fund to liquidate a shareholder's account if the aggregate net
asset value of shares held in the account is less than the designated minimum
account size described in this Prospectus of such GT Global Mutual Fund, and (5)
effected by AIM of its investment in Class B shares.
    
 
   
Waiver category (1) above applies only to redemptions of Class B shares held at
the time of death or initial determination of post-purchase disability. Waiver
category (2) above applies only to redemptions resulting from:
    
 
   
(i)  required minimum distributions to plan participants or beneficiaries who
    are age 70 1/2 or older, and only with respect to that portion of such
    distributions which does not exceed 12% annually of the participant's or
    beneficiary's account value in a particular GT Global Mutual Fund;
    
 
   
(ii) in-kind transfers of assets where the participant or beneficiary notifies
    AIM Distributors of such transfer no later than the time such transfer
    occurs;
    
 
   
(iii) tax-free rollovers or transfers of assets to another Retirement Plan
    invested in Class B shares of one or more GT Global Mutual Funds;
    
 
   
(iv) tax-free returns of excess contributions or returns of excess deferral
    amounts; and
    
 
   
(v) distributions upon the death or disability (as defined in the Code) of the
    participant or beneficiary.
    
 
   
Shareholders who purchased Class B shares prior to June 1, 1998 are entitled to
certain waivers of the contingent deferred sales charge on those shares as
described in the Statement of Additional Information under "Information Relating
to Sales and Redemptions -- Sales Charge Waivers for Shares Purchased Prior to
June 1, 1998."
    
 
   
CONVERSION OF CLASS B SHARES. Class B shares automatically will convert into
Class A shares of the same Fund (together with a pro rata portion of all Class B
shares acquired through the reinvestment of dividends and distributions) eight
years from the end of the calendar month in which the purchase of Class B shares
was made. Following such conversion of Class B shares, investors will be
relieved of the higher Rule 12b-1 Plan payments associated with Class B shares.
    
 
                         PROGRAMS APPLICABLE TO CLASS A
                               AND CLASS B SHARES
 
   
AUTOMATIC INVESTMENT PLAN. Investors may purchase either Class A or Class B
shares of the Emerging Markets Fund or Latin America Growth Fund through the GT
Global Automatic Investment Plan. Under this Plan, an amount specified by the
shareholder of $100 or more (or $25 for IRAs, Code Section 403(b)(7) custodial
accounts and other tax-qualified employer-sponsored retirement accounts) on a
monthly or quarterly basis will be sent to the Transfer Agent from the
investor's bank for investment in either the Emerging Markets Fund or Latin
America Growth Fund. Investors should be aware that the Emerging Markets Fund or
Latin America Growth Fund may suspend the offering of its shares in the future,
although not the previously established Automatic Investment Plans. If a
suspension of all sales is made, automatic investments will not be accepted
until the offering is recommenced. Participants in the Automatic Investment Plan
should not elect to receive dividends or other distributions from the Funds in
cash. A sales charge will be applied to each automatic monthly purchase of Class
A shares in an amount determined in accordance with the Right of Accumulation
privilege described above. To participate in the Automatic Investment Plan,
investors should complete the appropriate portion of the Supplemental
Application provided at the end of this Prospectus. Investors should contact
their Financial Institution or AIM Distributors for more information.
    
 
   
[DOLLAR COST AVERAGING PROGRAM. Investors may purchase either Class A or Class B
shares of a Fund through the GT Global Dollar Cost Averaging Program whereby a
shareholder invests the same dollar amount each month. Accordingly, the investor
purchases more shares when a Fund's net asset value is relatively low and fewer
shares when a Fund's net asset value is relatively high. This can result in a
lower average cost-per-share than if the shareholder followed a less systematic
approach. Dollar cost averaging does not assure a profit and does not protect
against loss in declining markets. Because such a program involves continuous
investment in securities regardless of fluctuating price levels of such
securities, investors should consider their financial ability to continue
purchases when prices are declining.
    
 
A participant in the GT Global Dollar Cost Averaging Program first designates
the size of his or her
 
                               Prospectus Page 29
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
monthly investment in a Fund ("Monthly Investment") after participation in the
Program begins. The Monthly Investment must be at least $1,000. The investor
then will make an initial investment of at least $10,000 in the GT Global Dollar
Fund. Thereafter, each month an amount equal to the specified Monthly Investment
automatically will be redeemed from the GT Global Dollar Fund and invested in
Fund shares. A sales charge will be applied to each automatic monthly purchase
of Class A Fund shares in an amount determined in accordance with the Right of
Accumulation privilege described above. Investors should be aware that the
Emerging Markets Fund or Latin America Growth Fund may suspend the offering of
its shares in the future, although not for shareholders who are participants in
the Dollar Cost Averaging Program at that time. If a suspension of all sales is
made, the Funds will not accept Monthly Investments. Investors should contact
their Financial Institution or AIM Distributors for more information.]
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class(es) of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program, nor
does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Shareholders participating in
the Program may also participate in the Right of Accumulation, Letter of Intent,
and Dollar Cost Averaging programs. Certain Financial Institutions may charge a
fee for establishing accounts relating to the Program. Investors should contact
their Financial Institution or AIM Distributors for more information.
    
 
                               Prospectus Page 30
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
                             HOW TO MAKE EXCHANGES
    
 
- --------------------------------------------------------------------------------
 
   
Shares of a Fund may be exchanged for shares of the same class of any other GT
Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical. Class A shares of the Funds also may be exchanged for Class A shares
of funds of The AIM Family of Funds and for AIM Cash Reserve Shares of the AIM
Money Market Fund. However, purchases of Class A shares of GT Global Mutual
Funds of $1,000,000 or more that are subject to a contingent deferred sales
charge may not be exchanged for Class A shares of AIM Limited Maturity Treasury
Fund, AIM Tax-Free Intermediate Fund, or AIM Tax-Exempt Cash Fund. Exchanges
into The AIM Family of Funds will be based on their respective net asset values
without imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES OF CLASS B SHARES. Although currently no exchanges are permitted
between the Funds and funds of The AIM Family of Funds with respect to Class B
shares, the Board of Trustees anticipates that such exchanges will be offered on
or about October 1, 1998.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds and The
AIM Family of Funds include the following:
    
 
   
  - AIM ADVISOR FLEX FUND
    
   
  - AIM ADVISOR INTERNATIONAL VALUE FUND
    
   
  - AIM ADVISOR LARGE CAP VALUE FUND
    
   
  - AIM ADVISOR MULTIFLEX FUND
    
   
  - AIM ADVISOR REAL ESTATE FUND
    
   
  - AIM AGGRESSIVE GROWTH FUND
    
   
  - AIM ASIAN GROWTH FUND
    
   
  - AIM BALANCED FUND
    
   
  - AIM BLUE CHIP FUND
    
   
  - AIM CAPITAL DEVELOPMENT FUND
    
   
  - AIM CHARTER FUND
    
   
  - AIM CONSTELLATION FUND
    
   
  - AIM EUROPEAN DEVELOPMENT FUND
    
   
  - AIM GLOBAL AGGRESSIVE GROWTH FUND
    
   
  - AIM GLOBAL GROWTH FUND
    
   
  - AIM GLOBAL INCOME FUND
    
   
  - AIM GLOBAL UTILITIES FUND
    
   
  - AIM HIGH INCOME MUNICIPAL FUND
    
   
  - AIM HIGH YIELD FUND
    
   
  - AIM INCOME FUND
    
   
  - AIM INTERMEDIATE GOVERNMENT FUND
    
   
  - AIM INTERNATIONAL EQUITY FUND
    
   
  - AIM LIMITED MATURITY TREASURY FUND
    
   
  - AIM MONEY MARKET FUND
    
   
  - AIM MUNICIPAL BOND FUND
    
   
  - AIM SELECT GROWTH FUND
    
   
  - AIM TAX-EXEMPT BOND FUND OF CONNECTICUT
    
   
  - AIM TAX-EXEMPT CASH FUND
    
   
  - AIM TAX-FREE INTERMEDIATE FUND
    
   
  - AIM VALUE FUND
    
   
  - AIM WEINGARTEN FUND
    
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
If an investor does not surrender all of his or her shares in an exchange, the
remaining balance in the investor's account after the exchange must be at least
$500. Exchange requests received in good order by the Transfer Agent before the
close of regular trading on the NYSE on any Business Day will be processed at
the net asset value calculated on that day. The terms of the exchange offer may
be modified at any time, on 60 days' prior written notice.
    
 
                               Prospectus Page 31
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
An investor interested in making an exchange should contact his or her Financial
Institution or the Transfer Agent to request the prospectus of the other GT
Global Mutual Fund(s) being considered. Certain Financial Institutions may
charge a fee for handling exchanges.
    
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to the
shareholder's Financial Institution or to the Transfer Agent by telephone at the
appropriate toll-free number provided in the Shareholder Account Manual.
Exchange orders will be accepted by telephone provided that the exchange
involves only uncertificated shares on deposit in the shareholder's account or
for which certificates have previously been deposited. Shareholders
automatically have telephone privileges to authorize exchanges. The Funds, AIM
Distributors and the Transfer Agent will not be liable for any loss or damage
for acting in good faith upon instructions received by telephone and reasonably
believed to be genuine. The Funds employ reasonable procedures to confirm that
instructions communicated by telephone are genuine prior to acting upon
instructions received by telephone, including requiring some form of personal
identification, providing written confirmation of such transactions, and/or tape
recording of telephone instructions.
    
 
   
EXCHANGES BY MAIL. Exchange orders should be sent by mail to the shareholder's
Financial Institution or to the Transfer Agent at the address set forth in the
Shareholder Account Manual.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 32
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
Fund shares may be redeemed at their net asset value (subject to any applicable
contingent deferred sales charge for Class B shares or, in limited
circumstances, Class A shares) and redemption proceeds will be sent within seven
days of the execution of a redemption request. If a redeeming shareholder owns
more than one class of shares, the shareholder must specify the class of shares
to be redeemed.
 
   
REDEMPTIONS THROUGH FINANCIAL INSTITUTIONS. Shareholders with accounts at
Financial Institutions who sell shares of the Funds may submit redemption
requests to such Financial Institutions. If the shares are held in the name of
the Financial Institution, the redemption must be made through the Financial
Institution. Financial Institutions may honor a redemption request either by
repurchasing shares from a redeeming shareholder at the net asset value next
determined after the Financial Institution receives the request or, as described
below, by forwarding such requests to the Transfer Agent (see "How to Redeem
Shares -- Redemptions Through the Transfer Agent"). Redemption proceeds normally
will be paid by check or, if offered by the Financial Institution, credited to
the shareholder's account at the Financial Institution at the election of the
shareholder. Financial Institutions may impose a service charge for handling
redemption transactions placed through them and may have other requirements
concerning redemptions. Accordingly, shareholders should contact their Financial
Institution for more details.
    
 
   
REDEMPTIONS THROUGH THE TRANSFER AGENT. Redemption requests may be transmitted
to the Transfer Agent by telephone or by mail, in accordance with the
instructions provided in the Shareholder Account Manual. Redemptions will be
effected at the net asset value (less any applicable contingent deferred sales
charge for Class B shares or, in limited circumstances, Class A shares) next
determined after the Transfer Agent has received the request or after an
Authorized Institution has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institution. A notary public is not an
acceptable guarantor. A shareholder with questions concerning the Funds'
signature guarantee requirement should contact the Transfer Agent.
    
 
Shareholders may qualify to have redemption proceeds sent to a Pre-Designated
Account by completing the appropriate section of the Account Application at the
end of this Prospectus. Shareholders with Pre-Designated Accounts should request
that redemption proceeds be sent either by bank wire or by check. The minimum
redemption amount for a bank wire is $500. Shareholders requesting a bank wire
should allow two business days from the time the redemption request is effected
for the proceeds to be deposited in the shareholder's Pre-Designated Account.
See "How to Redeem Shares -- Other Important Redemption Information."
Shareholders may change their Pre-Designated Accounts only by a letter of
instruction to the Transfer Agent containing all account signatures, each of
which must be guaranteed. The Transfer Agent currently does not charge a bank
wire service fee on each wire redemption sent, but reserves the right to do so
in the future. The shareholder's bank may charge a bank wire service fee.
 
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual.
 
                               Prospectus Page 33
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
Shareholders who hold certificates for shares may not redeem by telephone.
REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR FIFTEEN DAYS FOLLOWING ANY
CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Funds, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Funds employ reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
SYSTEMATIC WITHDRAWAL PLAN. Shareholders owning shares in the Funds with a value
of $10,000 or more may participate in the GT Global Systematic Withdrawal Plan.
A participating shareholder will receive proceeds from monthly, quarterly or
annual redemptions of Fund shares with respect to either Class A or Class B
shares. No contingent deferred sales charge will be imposed on redemptions made
under the Systematic Withdrawal Plan. The minimum withdrawal amount is $100. The
amount or percentage a participating shareholder specifies to be redeemed may
not, on an annualized basis, exceed 12% of the value of the account, as of the
time the shareholder elects to participate in the Systematic Withdrawal Plan. To
participate in the Systematic Withdrawal Plan, investors should complete the
appropriate portion of the Supplemental Application provided at the end of this
Prospectus. Investors should contact their Financial Institution or the Transfer
Agent for more information. With respect to Class A shares, participation in the
Systematic Withdrawal Plan concurrent with purchases of Class A shares may be
disadvantageous to investors because of the sales charges involved and possible
tax implications, and therefore is discouraged. In addition, shareholders who
participate in the Systematic Withdrawal Plan should not elect to reinvest
dividends or other distributions in additional Fund shares. Systematic
withdrawal plans offered by Financial Institutions may have different features.
Accordingly, shareholders should contact their Financial Institution for more
details.
    
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in doubt as to what documents are required should contact
his or her Financial Institution or the Transfer Agent.
    
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940"), payment for shares redeemed by telephone or by
mail will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which a Fund has not yet
received good payment, the Fund may delay payment of redemption proceeds until
the Transfer Agent has assured itself that good payment has been collected for
the purchase of the shares. In the case of purchases by check it can take up to
10 business days to confirm that the check has cleared and good payment has been
received. Redemption proceeds will not be delayed when shares have been paid for
by wire or when the investor's account holds a sufficient number of shares for
which funds already have been collected.
 
A Fund may redeem the shares of any shareholder whose account is reduced to less
than $500 in value through redemptions or other action by the shareholder.
Written notice will be given to the shareholder at least 60 days prior to the
date fixed for such redemption, during which time the shareholder may increase
his or her holdings to an aggregate amount of $500 or more (with a minimum
purchase of $100).
 
                               Prospectus Page 34
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
   
Shareholders are encouraged to place purchase, exchange and redemption orders
through their Financial Institutions. Shareholders also may place such orders
directly through the Transfer Agent in accordance with this Manual. See "How to
Invest," "How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
    
 
Each Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send completed Account Application (if initial purchase) or letter stating Fund
name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
An investor opening a new account should call 1-800-223-2138 to obtain an
account number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION
CONTAINING THE INVESTOR'S CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT
TO THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire instructions
must state Fund name, class of shares, shareholder's registered name and account
number. Bank wires should be sent through the Federal Reserve Bank Wire System
to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures may call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 35
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
Each Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing) each Business Day. Each Fund's
asset value per share is computed by determining the value of its total assets
(the securities it holds plus any cash or other assets, including interest and
dividends accrued but not yet received), subtracting all of its liabilities
(including accrued expenses), and dividing the result by the total number of
shares outstanding at such time. Net asset value is determined separately for
each class of shares of each Fund.
 
   
Equity securities held by a Fund are valued at the last sale price on the
exchange or in the OTC market in which such securities are primarily traded, as
of the close of business on the day the securities are being valued or, lacking
any sales, at the last available bid price. Long-term debt obligations are
valued at the mean of representative quoted bid or asked prices for such
securities, or, if such prices are not available, at prices for securities of
comparable maturity, quality and type; however, when the Sub-adviser deems it
appropriate, prices obtained from a bond pricing service will be used.
Short-term debt investments are amortized to maturity based on their cost,
adjusted for foreign exchange translation and market fluctuations, provided that
such valuations represent fair value. When market quotations for futures and
options positions held by a Fund are readily available, those positions are
valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's Board of Trustees. Securities and other assets quoted
in foreign currencies are valued in U.S. dollars based on the prevailing
exchange rates on that day.
    
 
Each Fund's portfolio securities, from time to time, may be listed primarily on
foreign exchanges or OTC markets that trade on days when the NYSE is closed
(such as Saturday). As a result, the net asset value of a Fund may be affected
significantly by such trading on days when shareholders cannot purchase or
redeem shares of that Fund.
The different service and distribution fees borne by each class of shares of
each Fund will result in different net asset values. The per share net asset
value of the Class B shares of a Fund generally will be lower than that of the
Class A shares of that Fund because of the higher service and distribution fees
borne by the Class B shares. The per share net asset value of the Advisor Class
shares of a Fund generally will be higher than that of the Class A and Class B
shares of that Fund because of the absence of any service and distribution fees
applicable to the Advisor Class shares. It is expected, however, that the net
asset value per share of Class A and Class B shares of a Fund will tend to
converge immediately after the payment of dividends, which will differ by
approximately the amount of the service and distribution fee accrual
differential between the classes.
 
- --------------------------------------------------------------------------------
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. Each Fund annually declares and pays as a
dividend all of its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less any applicable expenses. Each Fund also annually distributes
substantially all of its realized net capital gains and net gains from foreign
currency transactions, if any. Each Fund may make an additional dividend or
other distribution each year if necessary to avoid a 4% excise tax on certain
undistributed income and gain.
 
                               Prospectus Page 36
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
Dividends and other distributions paid by each Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Class B shares of a Fund will be lower than the per
share income dividends on Class A shares of that Fund as a result of the higher
service and distribution fees applicable to Class B shares; and the per share
income dividends on both such classes of shares of a Fund will be lower than the
per share income dividends on the Advisor Class shares of that Fund as a result
of the absence of any service and distribution fees applicable to Advisor Class
shares. SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Fund shares of the distributing class (or in shares of the
    corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional shares are made at net asset value without
imposition of a sales charge. IF NO ELECTION IS MADE BY A SHAREHOLDER, ALL
DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY REINVESTED IN ADDITIONAL
FUND SHARES OF THE DISTRIBUTING CLASS. Reinvestments in another GT Global Mutual
Fund may only be directed to an account with the identical shareholder
registration and account number. These elections may be changed by a shareholder
at any time; to be effective with respect to a distribution, the shareholder or
the shareholder's broker must contact the Transfer Agent by mail or telephone at
least 15 Business Days prior to the payment date. THE FEDERAL INCOME TAX
CONSEQUENCES OF DIVIDENDS AND OTHER DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE
RECEIVED IN CASH OR REINVESTED IN ADDITIONAL SHARES.
 
Any dividend or other distribution paid by a Fund has the effect of reducing the
net asset value per share on the ex-dividend date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. Each Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that a Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders.
 
Dividends from a Fund's investment company taxable income (whether paid in cash
or reinvested in additional shares) are taxable to its shareholders as ordinary
income to the extent of the Fund's earnings and profits. Distributions of a
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional Fund
shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, each Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
Each Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his
 
                               Prospectus Page 37
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
or her pro rata share of those taxes but might be entitled to claim a credit or
deduction for them. The information regarding capital gain distributions
designates the portions thereof subject to the different maximum rates of tax
applicable to noncorporate taxpayers' net capital gain indicated above.
 
Each Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with a
Fund.
 
   
A redemption of a Fund's shares may result in taxable gain or loss to the
redeeming shareholder, depending upon whether the redemption proceeds are more
or less than the shareholder's adjusted basis for the redeemed shares (which
normally includes any initial sales charge paid on Class A shares). An exchange
of Fund shares for shares of another GT Global Mutual Fund (including the other
Fund) or a Fund of The AIM Family of Funds generally will have similar tax
consequences. However, special tax rules apply when a shareholder (1) disposes
of Class A shares of a Fund through a redemption or exchange within 90 days
after purchase and (2) subsequently acquires Class A shares of the Fund or of
any other GT Global Mutual Fund or a Fund of The AIM Family of Funds on which an
initial sales charge normally is imposed without paying that sales charge due to
the reinstatement privilege or exchange privilege. In these cases, any gain on
the disposition of the original Class A shares will be increased, or loss
decreased, by the amount of the sales charge paid when the shares were acquired,
and that amount will increase the adjusted basis of the shares subsequently
acquired. In addition, if shares of a Fund are purchased within 30 days before
or after redeeming other Fund shares (regardless of class) at a loss, all or a
part of the loss will not be deductible and instead will increase the basis of
the newly purchased shares.
    
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting each Fund and its shareholders. See "Taxes"
in the Statement of Additional Information for a further discussion. There may
be other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
 
                               Prospectus Page 38
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's Board of Trustees has overall responsibility for the operation of
the Funds. The Company's Board of Trustees has approved all significant
agreements between the Company on the one side and persons or companies
furnishing services to the Funds on the other, including the investment advisory
and administrative services agreement with AIM, the investment sub-advisory and
sub-administration agreement with the Sub-adviser, the agreements with AIM
Distributors regarding distribution of each Fund's shares, the agreement with
State Street Bank and Trust Company as the custodian and the transfer agency
agreement with GT Global Investors Services, Inc., an affiliate of the
Sub-adviser. The day to day operations of each Fund are delegated to the
officers of the Company, subject always to the objective and policies of the
applicable Fund and to the general supervision of the Company's Board of
Trustees. See "Trustees and Executive Officers" in the Statement of Additional
Information for information on the Trustees of the Company.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as each Fund's investment managers and administrators include, but
are not limited to, determining the composition of the Fund's portfolio and
placing orders to buy, sell or hold particular securities; furnishing corporate
officers and clerical staff; providing office space, services and equipment; and
supervising all matters relating to the Fund's operation. For these services,
each of the Funds pays AIM investment management and administration fees,
computed daily and paid monthly, based on its average daily net assets, at the
annualized rate of .975% on the first $500 million, .95% on the next $500
million, .925% on the next $500 million, and .90% on amounts thereafter. Out of
the aggregate fees payable by a Fund, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from
each Fund. The investment management and administration fees paid by the Funds
are higher than those paid by most mutual funds. AIM has undertaken to limit
each Fund's expenses (exclusive of brokerage commissions, taxes, interest and
extraordinary expenses) to the annual rate of 2.00% and 2.50% of the average
daily net assets of the Fund's Class A and Class B shares, respectively.
    
 
   
The Sub-adviser also serves as each Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion, and allocating the result according to each
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to each Fund pursuant to a master investment advisory
agreement, dated as of               , 1998 (the "Advisory Agreement"). AIM was
organized in 1976 and, together with its subsidiaries, manages or advises over
50 investment company portfolios encompassing a broad range of investment
objectives. The Sub-adviser, 50 California Street, 27th Floor, San Francisco,
California 94111, and 1166 Avenue of the Americas, New York, New York 10036,
serves as the sub-adviser to each Fund pursuant to an investment sub-advisory
agreement dated as of               , 1998. On May   , 1998, Liechtenstein
Global Trust AG ("GT"), the former indirect parent organization of the Sub-
adviser, consummated a purchase agreement with AMVESCAP PLC pursuant to which
AMVESCAP PLC acquired GT's Asset Management Division, which includes the
Sub-adviser and certain other affiliates. As a result of this transaction, the
Sub-adviser is now an indirect wholly-owned subsidiary of AMVESCAP PLC. Prior to
the sale, the Sub-adviser and its worldwide asset management affiliates provided
investment management and/or administrative services to institutional, corporate
and individual clients around the world since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management
    
 
                               Prospectus Page 39
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their San Francisco and New York
offices, AIM and the Sub-adviser draw upon the expertise, personnel, data and
systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking each Fund's investment
objective.
    
 
The investment professionals primarily responsible for the portfolio management
of the Funds are as follows:
 
                             EMERGING MARKETS FUND
 
   
<TABLE>
<CAPTION>
                              RESPONSIBILITIES FOR                          BUSINESS EXPERIENCE
NAME/OFFICE                         THE FUND                                  PAST FIVE YEARS
- ---------------------------  ----------------------  ------------------------------------------------------------------
<S>                          <C>                     <C>
Allan Conway                 Portfolio Manager       Mr. Conway joined the Sub-adviser and GT Asset Management PLC
 London                       since 1997              (London) ("GT Asset Management"), an affiliate of the
                                                      Sub-adviser, in January 1997 as Head of the Global Emerging
                                                      Markets Equity team. Based in London, he manages a centralized
                                                      team of global emerging market fund managers. From 1992 to 1997,
                                                      Mr. Conway was Director of International Equities at Hermes
                                                      Investment Management ("Hermes"), and from 1982 to 1992 was a
                                                      Portfolio Manager, and eventually Head of Overseas Equities, at
                                                      Provident Mutual.
 
Hugh Hunter                  Portfolio Manager       Mr. Hunter has been a Portfolio Manager for the Sub- adviser and
 London                       since 1997              GT Asset Management since June 1997. From 1987 to 1997, he was
                                                      Head of Quantitative Emerging Strategy at ING-Barings (Hong Kong)
                                                      ("Barings").
 
Aziz Minhas                  Portfolio Manager       Mr. Minhas has been a Portfolio Manager for the Sub- adviser and
 London                       since 1997              GT Asset Management since December 1997. Prior thereto, he was an
                                                      Investment Analyst and then a Senior Investment Analyst with Abu
                                                      Dhabi Investment Authority (London) from 1990 to 1997.
 
Darren Read                  Portfolio Manager       Mr. Read has been a Portfolio Manager for the Sub- adviser and GT
 London                       since 1997              Asset Management since May 1997. From 1995 to 1997, Mr. Read was
                                                      a Senior Investment Analyst at Hermes responsible for stock
                                                      selection and strategic asset allocation input in a number of
                                                      emerging markets. Prior thereto, Mr. Read was a Chartered
                                                      Accountant in the Financial Markets Division of Arthur Andersen
                                                      from 1991 to 1995.
 
Christine Rowley             Portfolio Manager       Ms. Rowley has been a Portfolio Manager for the Sub- adviser, GT
 London                       since 1997              Asset Management and GT Asset Management Ltd. (Hong Kong), an
                                                      affiliate of the Sub-adviser, since 1992. In this position, Ms.
                                                      Rowley managed Asian emerging market portfolios and, commencing
                                                      in 1997, global emerging market portfolios. Prior thereto, Ms.
                                                      Rowley was an Analyst with the Bank of England from 1989 to 1990.
</TABLE>
    
 
                               Prospectus Page 40
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
<TABLE>
<S>                          <C>                     <C>
Mark Thorogood               Portfolio Manager       Mr. Thorogood joined the Sub-adviser and GT Asset Management in
 London                       since 1997              May 1997 as a Portfolio Manager. Prior thereto, he worked for
                                                      Barings from 1994 to 1997 as a proprietary Trader. From 1987 to
                                                      1994, Mr. Thorogood was at Provident Mutual, first as an Analyst,
                                                      and then as a Portfolio Manager covering the Japanese and Asian
                                                      Equity Markets.
</TABLE>
    
 
                           LATIN AMERICA GROWTH FUND
 
   
<TABLE>
<CAPTION>
                              RESPONSIBILITIES FOR                          BUSINESS EXPERIENCE
NAME/OFFICE                         THE FUND                                  PAST FIVE YEARS
- ---------------------------  ----------------------  ------------------------------------------------------------------
<S>                          <C>                     <C>
Allan Conway                 Portfolio Manager       See description above.
 London                       since 1997
 
David Manuel                 Portfolio Manager       Mr. Manuel has been a Portfolio Manager for the Sub- adviser and
 London                       since 1997              GT Asset Management since November 1997. From 1987 to 1997, he
                                                      was an Investment Analyst and Portfolio Manager and, starting in
                                                      1994, Head of Latin American Equities for Abbey Life Investment
                                                      Services Ltd. (London).
</TABLE>
    
 
                            ------------------------
 
   
In placing securities orders for the Funds' portfolio transactions, the
Sub-adviser seeks to obtain the best net results. Consistent with its obligation
to obtain the best net results, the Sub-adviser may consider a broker/dealer's
sale of shares of the GT Global Mutual Funds as a factor in considering through
whom portfolio transactions will be effected. Brokerage transactions may be
executed through affiliates of AIM or the Sub-adviser. High portfolio turnover
(over 100%) involves correspondingly greater brokerage commissions and other
transaction costs that the Funds will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. The Company has entered into master distribution
agreements relating to the Funds (the "Distribution Agreements"), dated
              , 1998, with AIM Distributors, a registered broker/dealer and a
wholly owned subsidiary of AIM. The address of AIM Distributors is P.O. Box
4739, Houston, Texas 77210-4739. The Distribution Agreements provide AIM
Distributors with the exclusive rights to distribute shares of the Funds
directly and through institutions with whom AIM Distributors has entered into
selected dealer agreements. Under the Distribution Agreements, AIM Distributors
acts as the distributor of Class A and Class B shares of the Funds. As
distributor, AIM Distributors collects the sales charges imposed on purchases of
Class A shares and any contingent deferred sales charges that may be imposed on
certain redemptions of Class A and Class B shares. AIM Distributors reallows a
portion of the sales charge on Class A shares to broker/ dealers that have sold
such shares in accordance with the schedule set forth above under "How to
Invest." AIM Distributors pays a commission equal to 4.00% of the amount
invested to broker/ dealers who sell Class B shares. From time to time, AIM
Distributors may pay commissions in excess of these amounts. Commissions are not
paid on exchanges or certain reinvestments in Class B. In addition, with respect
to both classes of shares, AIM Distributors makes ongoing payments to
broker/dealers for distribution and service activities in accordance with the
Rule 12b-1 plans described below.
    
 
   
The Latin America Growth Fund has previously suspended the offering of its
shares upon the advice of the Sub-adviser that doing so was in the best
interests of the portfolio management process. As of the date of this
Prospectus, the Latin America Growth Fund has resumed sales of its shares based
upon the Sub-adviser's advice that it is consistent with prudent portfolio
management to do so. However, the Latin America Growth Fund reserves the right
to suspend sales again and Emerging Markets Fund reserves the right to suspend
sales in the future based upon the foregoing portfolio considerations.
    
 
   
AIM Distributors, at its own expense, may provide additional promotional
incentives to broker/ dealers that sell shares of the Funds and/or shares
    
 
                               Prospectus Page 41
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
of the other GT Global Mutual Funds. In some instances additional compensation
or promotional incentives may be offered to brokers/dealers that have sold or
may sell significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to broker/dealers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and lodging)
incurred by sales personnel and members of their families or other invited
guests to various locations for such seminars or training programs, seminars for
the public, advertising and sales campaigns regarding one or more of the GT
Global Mutual Funds, and/or other events sponsored by the broker/dealers. In
addition, AIM Distributors makes ongoing payments to brokerage firms, financial
institutions (including banks) and others that facilitate the administration and
servicing of shareholder accounts.
    
 
   
AIM Distributors may elect to re-allow the entire initial sales charge to
dealers for all sales with respect to which orders are placed with AIM
Distributors during a particular period. Dealers to whom substantially the
entire sales charge is re-allowed may be deemed to be "underwriters" as that
term is defined under the Securities Act of 1933.
    
 
   
In addition to amounts paid to dealers as a dealer concession out of the initial
sales charge paid by investors, AIM Distributors may, from time to time, at its
expense or as an expense for which it may be compensated under a distribution
plan, if applicable, pay a bonus or other consideration or incentive to dealers
who sell a minimum dollar amount of the shares of the GT Global Mutual Funds
during a specified period of time. In some instances, these incentives may be
offered only to certain dealers who have sold or may sell significant amounts of
shares. At the option of the dealer, such incentives may take the form of
payment for travel expenses, including lodging, incurred in connection with
trips taken by qualifying registered representatives and their families to
places within or outside the United States. The total amount of such additional
bonus payments or other consideration shall not exceed 0.25% of the public
offering price of the shares sold. Any such bonus or incentive programs will not
change the price paid by investors for the purchase of the applicable GT Global
Mutual Fund's shares or the amount that any particular GT Global Mutual Fund
will receive as proceeds from such sales. Dealers may not use sales of the GT
Global Mutual Funds' shares to qualify for any incentives to the extent that
such incentives may be prohibited by the laws of any state.
    
 
   
AIM Distributors may make payments to dealers and institutions who are dealers
of record for purchases of $1 million or more of Class A shares (or shares which
normally involve payment of initial sales charges), which are sold at net asset
value and are subject to a contingent deferred sales charge as follows: 1% of
the first $2 million of such purchases, plus 0.80% of the next $1 million of
such purchases, plus 0.50% of the next $l7 million of such purchases, plus 0.25%
of amounts in excess of $20 million of such purchases.
    
 
   
AIM Distributors may pay sales commissions to dealers and institutions who sell
Class B shares of the GT Global Mutual Funds at the time of such sales. Payments
with respect to Class B shares will equal 4.00% of the purchase price of the
Class B shares sold by the dealer or institution and will consist of a sales
commission equal to 3.75% of the purchase price of the Class B shares sold plus
an advance of the first year service fee of 0.25% with respect to such shares.
The portion of the payments to AIM Distributors under the Class B Plan which
constitutes an asset-based sales charge (0.75%) is intended in part to permit
AIM Distributors to recoup a portion of such sales commissions plus financing
costs.
    
 
   
The Company has adopted a Master Distribution Plan applicable to Class A shares
of the Funds (the "Class A Plan") pursuant to Rule 12b-1 under the 1940 Act, to
compensate AIM Distributors for the purpose of financing any activity that is
intended to result in the sale of Class A shares of the Funds. Under the Class A
Plan, the Company compensates AIM Distributors an aggregate amount of 0.50% of
the average daily net assets of Class A shares of each Fund.
    
 
   
The Company also has adopted a Master Distribution Plan applicable to Class B
shares of the Funds (the "Class B Plan"). Under the Class B Plan, each Fund pays
compensation to AIM Distributors at an annual rate of 1.00% of the average daily
net assets of Class B shares of each Fund.
    
 
   
The Class A Plan and the Class B Plan (together, the "Plans") are designed to
compensate AIM Distributors for certain promotional and other sales-related
costs, and to implement a dealer incentive program that provides for periodic
payments to selected dealers who furnish continuing personal
    
 
                               Prospectus Page 42
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
shareholder services to their customers who purchase and own Class A and Class B
shares of a Fund. Payments also can be directed by AIM Distributors to selected
dealers and financial institutions who have entered into service agreements with
respect to Class A and Class B shares of the Funds and who provide continuing
personal services to their customers who own Class A and Class B shares of a
Fund. The service fees payable to selected dealers and financial institutions
are calculated at the annual rate of 0.25% of the average daily net asset value
of those Fund shares that are held in such institution's or dealer's customers'
accounts that were purchased on or after a prescribed date set forth in the
Plans. Any amounts not payable as a service fee would constitute an asset-based
sales charge. Payments under the Plans are subject to any applicable limitations
imposed by the rules of the National Association of Securities Dealers, Inc.
    
 
   
The Plans do not obligate the Funds to reimburse AIM Distributors for the actual
expenses AIM Distributors may incur in fulfilling its obligations under the
Plans. Thus, even if AIM Distributors' actual expenses exceed the fee payable to
AIM Distributors thereunder at any time, the Funds will not be obligated to pay
more than that fee. If AIM Distributors' expenses are less than the fee it
receives, AIM Distributors will retain the full amount of the fee.
    
 
   
Under the Plans, AIM Distributors may in its discretion from time to time agree
to waive voluntarily all or any portion of its fee that has not been assigned or
transferred, while retaining its ability to be reimbursed for such fee prior to
the end of each fiscal year.
    
 
   
Under the Plans, certain financial institutions which have entered into service
agreements and which sell shares of the Funds on an agency basis, may receive
payments from the Funds pursuant to the respective Plans. AIM Distributors does
not act as principal, but rather as agent for the Funds, in making such
payments. For additional information concerning the operation of the Plans see
the Statement of Additional Information.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. If a bank were prohibited from so acting, its
shareholder clients would be permitted to remain shareholders, and alternative
means for continuing the servicing of such shareholders would be sought. It is
not expected that shareholders would suffer any adverse financial consequences
as a result of any of these occurrences.
    
 
                               Prospectus Page 43
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in a Fund, the shareholder will receive from the
Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to a Fund's Automatic
Investment Plan, Systematic Withdrawal Plan and automatic dividend reinvestment
program may be provided quarterly. Shortly after the end of the Funds' fiscal
year on October 31 and fiscal half-year on April 30 of each year, shareholders
will receive an annual and semiannual report, respectively. In addition, the
federal income tax status of distributions made by a Fund to shareholders will
be reported after the end of the calendar year on Form 1099-DIV. Under certain
circumstances, duplicate mailings of the foregoing reports to the same household
may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1997. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of each Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of each Fund will be
voted by a Fund's shareholders individually when the matter affects the specific
interest of that Fund only, such as approval of its investment management
arrangements. In addition, shares of a particular class of a Fund may vote on
matters affecting only that class. The shares of each Fund and the Company's
other funds will be voted in the aggregate on other matters, such as the
election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Directors shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting securities may call a meeting of shareholders for
the purpose of voting upon the question of removal of any Trustee or for any
other purpose. The 1940 Act requires the Company to assist shareholders in
calling such a meeting.
    
 
   
Pursuant to the Company's Declaration of Trust, the Company may issue an
unlimited number of shares of each of the Funds. Each share of each Fund
represents an interest in that Fund only, has a par value of $0.01 per share,
represents an equal proportionate interest in that Fund with other shares of
that Fund and is entitled to such dividends and other distributions out of the
income earned and gain realized on the assets belonging to that Fund as may be
declared at the discretion of the Board of Trustees. Each share of each Fund is
equal in earnings, assets and voting privileges, except that each class has
exclusive voting rights with respect to its distribution plan and bears the
expenses, if any, related to the distribution of its shares. Shares of each
Fund, when issued, are fully paid and nonassessable.
    
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Funds
toll-free at (800) 223-2138 or by writing to the Funds at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Funds, from time to time, may include information
on their investment results and/or comparisons of their investment results to
various unmanaged indices or results of other mutual funds or groups of mutual
funds in advertisements, sales literature or reports furnished to present or
prospective shareholders.
 
                               Prospectus Page 44
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
In such materials, the Funds may quote their average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of each Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of a Fund. Standardized Return assumes
reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Funds' performance or
more accurately compare such performance to other measures of investment return,
the Funds also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized Return reflects percentage rates of return encompassing all
elements of return (i.e., income and capital appreciation or depreciation); it
assumes reinvestment of all dividends and other distributions. Non-Standardized
Return may be quoted for the same or different periods as those for which
Standardized Return is quoted; it may consist of an aggregate or average annual
percentage rate of return, actual year-by-year rates or any combination thereof.
Non-Standardized Return may or may not take sales charges into account;
performance data calculated without taking the effect of sales charges into
account will be higher than data including the effect of such charges.
 
The Funds' performance data reflects past performance and is not necessarily
indicative of future results. The Funds' investment results will vary from time
to time depending upon market conditions, the composition of their portfolios
and their operating expenses. These factors and possible differences in
calculation methods should be considered when comparing a Fund's investment
results with those published for other investment companies, other investment
vehicles and unmanaged indices. Each Fund's results also should be considered
relative to the risks associated with its investment objective and policies. See
"Investment Results" in the Statement of Additional Information.
 
Each Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Funds are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM, a subsidiary of
Liechtenstein Global Trust, and maintains its offices at California Plaza, 2121
N. California Boulevard, Suite 450, Walnut Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110 is custodian of each Fund's assets.
 
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and the Funds.
Kirkpatrick & Lockhart
 
                               Prospectus Page 45
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
LLP also acts as counsel to the Sub-adviser, GT Global and the Transfer Agent in
connection with other matters.
    
 
INDEPENDENT ACCOUNTANTS. The Company's and each Fund's independent accountants
are Coopers & Lybrand L.L.P., One Post Office Square, Boston, MA 02109. Coopers
& Lybrand L.L.P. will conduct an annual audit of each Fund, assist in the
preparation of each Fund's federal and state income tax returns and consult with
the Company, or Trust, as applicable, and each Fund as to matters of accounting,
regulatory filings, and federal and state income taxation.
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 46
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND  THE RISKS  OF INVESTING  IN  A CONCENTRATION  OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER  OR CALL AIM DISTRIBUTORS DIRECTLY  AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  PROSPECTUS  AND, IF GIVEN  OR MADE, SUCH  INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON  AS HAVING BEEN AUTHORIZED  BY G.T. INVESTMENT FUNDS,  GT
  GLOBAL  EMERGING MARKETS FUND,  GT GLOBAL LATIN  AMERICA GROWTH FUND,  A I M
  ADVISORS,  INC.,  [CHANCELLOR  LGT  ASSET   MANAGEMENT,  INC.]  OR  A  I   M
  DISTRIBUTORS,  INC. THIS PROSPECTUS DOES NOT  CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
   
                                                                   LEMPR803002MC
    
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
GT GLOBAL DEVELOPING MARKETS FUND (THE "FUND") primarily seeks long-term capital
appreciation. Its secondary investment objective is income, to the extent
consistent with seeking capital appreciation. The Fund normally invests
substantially all of its assets in issuers in the developing (or "emerging")
markets of Asia, Europe, Latin America and elsewhere. A majority of the Fund's
assets ordinarily is invested in emerging market equity securities. The Fund
also invests in emerging market debt securities, which are selected based on
their potential to provide a combination of capital appreciation and current
income. There can be no assurance that the Fund will achieve its investment
objectives.
 
   
The Fund is designed for long-term investors and not as a trading vehicle. The
Fund does not represent a complete investment program, nor is it suitable for
all investors. The Fund may invest significantly in equity and high yield, high
risk ("lower quality") debt securities that are predominantly speculative.
Investments of this type are subject to a greater risk of loss of principal and
interest. The Fund's investments in securities of issuers in developing markets
involves special considerations and risks that are not typically associated with
investments in securities of issuers in the United States or in other more
established markets. Investors should carefully assess the risks associated with
an investment in the Fund.
    
 
   
This Prospectus sets forth concisely information an investor should know before
investing and should be read carefully and retained for future reference. A
Statement of Additional Information, dated June 1, 1998, has been filed with the
Securities and Exchange Commission ("SEC") and, as supplemented or amended from
time to time, is incorporated herein by reference. The Statement of Additional
Information is available without charge by writing to the Fund at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling [(800) 824-1580.] It
is also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
   
The Fund is managed by A I M Advisors, Inc. ("AIM") and is sub-advised and
sub-administered by [Chancellor GT Asset Management, Inc.] (the "Sub-adviser").
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
An investment in the Fund offers the following advantages:
 
/ / Access to Securities Markets Around the World
 
   
/ / Professional Management by a Leading Investment Adviser with Offices in the
    World's Major Markets
    
 
/ / Low $500 Minimum Investment
 
/ / Alternative Purchase Plan
 
/ / Automatic Dividend and Other Distribution Reinvestment at No Additional
    Sales Charge
 
/ / Exchange Privileges with the Corresponding Classes of the Other GT Global
    Mutual Funds
 
/ / Reduced Sales Charge Plans
 
/ / Dollar Cost Averaging Program
 
/ / Automatic Investment Plan
 
/ / Systematic Withdrawal Plan
 
/ / Portfolio Rebalancing Program
 
   
FOR FURTHER INFORMATION, CALL
[(800) 824-1580] OR CONTACT YOUR FINANCIAL ADVISER.
    
 
- --------------------------------------------------------------------------------
 
THESE  SECURITIES HAVE NOT  BEEN APPROVED OR DISAPPROVED  BY THE SECURITIES AND
 EXCHANGE COMMISSION, NOR HAS THE  SECURITIES AND EXCHANGE COMMISSION  PASSED
   ON  THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.      ANY REPRESENTATION
                     TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          7
Investment Objectives and Policies........................................................          8
Risk Factors..............................................................................         14
How to Invest.............................................................................         19
How to Make Exchanges.....................................................................         27
How to Redeem Shares......................................................................         29
Shareholder Account Manual................................................................         31
Calculation of Net Asset Value............................................................         32
Dividends, Other Distributions and Federal Income Taxation................................         33
Management................................................................................         35
Other Information.........................................................................         38
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Fund:                                       The Fund is a non-diversified series of G.T. Investment Funds (the "Company").
 
Investment Objectives:         The  Fund's  primary  investment  objective  is  long-term capital
                               appreciation; its  secondary objective  is income,  to the  extent
                               consistent with seeking capital appreciation.
 
Principal Investments:         The  Fund normally  invests a majority  of its  assets in emerging
                               market equity securities  and also may  invest in emerging  market
                               debt securities.
 
Principal Risk Factors:        There  is no assurance  that the Fund  will achieve its investment
                               objectives. The Fund's net asset  value per share will  fluctuate,
                               reflecting  fluctuations  in  the market  value  of  its portfolio
                               holdings.
 
                               The Fund  invests in  foreign securities.  Investments in  foreign
                               securities  involve  risks  relating  to  political  and  economic
                               developments abroad and the differences between the regulations to
                               which U.S.  and foreign  issuers are  subject. Individual  foreign
                               economies  also may differ favorably  or unfavorably from the U.S.
                               economy. Changes in  foreign currency exchange  rates will  affect
                               the  Fund's  net  asset  value,  earnings,  and  gains  and losses
                               realized on sales of  securities. Securities of foreign  companies
                               may  be less liquid  and their prices more  volatile than those of
                               securities of comparable U.S. companies. The Fund normally invests
                               substantially all of  its assets in  issuers in emerging  markets.
                               Such investments entail greater risks than investing in issuers in
                               developed markets.
 
                               The  Fund  may engage  in  certain foreign  currency,  options and
                               futures transactions to attempt to hedge against the overall level
                               of investment and  currency risk  associated with  its present  or
                               planned  investments. Such transactions  involve certain risks and
                               transaction costs.
 
                               The value of debt securities held by the Fund generally fluctuates
                               inversely with interest rate  movements. Certain investment  grade
                               debt  securities may  possess speculative qualities.  The Fund may
                               invest in below investment  grade debt securities. Investments  of
                               this  type are subject to a greater  risk of loss of principal and
                               interest.
 
                               See "Investment Objectives and Policies" and "Risk Factors."
 
                               AIM and  the  Sub-adviser  and their  worldwide  asset  management
Investment Managers:           affiliates  provide  investment  management  and/or administrative
                               services to institutional, corporate and individual clients around
                               the world. AIM and the Sub-adviser are both indirect wholly  owned
                               subsidiaries  of AMVESCAP  PLC. AMVESCAP PLC  and its subsidiaries
                               are  an  independent  investment  management  group  that  has   a
                               significant  presence in  the institutional and  retail segment of
                               the investment management  industry in North  America and  Europe,
                               and  a growing  presence in Asia.  AIM was organized  in 1976 and,
                               together  with  its  affiliates,   currently  advises  [over   50]
                               investment  company portfolios. On                , 1998, AMVESCAP
                               PLC acquired
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               the Asset  Management Division  of Liechtenstein  Global Trust  AG
                               ("GT"),   which  included   the  Sub-adviser   and  certain  other
                               affiliates.
 
Alternative Purchase Plan:     Investors may select Class  A or Class B  shares, each subject  to
                               different  expenses and  a different sales  charge structure. Each
                               class has  distinct  advantages and  disadvantages  for  different
                               investors,  and investors should choose  the class that best suits
                               their circumstances and objectives. See "How to Invest."
 
  Class A Shares:              Offered at  net  asset  value plus  any  applicable  sales  charge
                               (maximum  is 4.75% of public offering  price) and subject to 12b-1
                               service and distribution fees at  the annualized rate of 0.50%  of
                               the average daily net assets of Class A shares.
 
                               Offered at net asset value with no initial sales charge (a maximum
  Class B Shares:              contingent  deferred sales charge of 5%  of net asset value at the
                               time of purchase or sale, whichever is less, is imposed on certain
                               redemptions made within six years of date of purchase) and subject
                               to 12b-1 service and distribution  fees at the annualized rate  of
                               1.00%  of the average daily net assets  of Class B shares. Class B
                               shares automatically convert to  Class A shares  of the same  Fund
                               eight  years following  the end of  the calendar month  in which a
                               purchase was made.  Class B  shares are subject  to higher  annual
                               expenses than Class A shares.
 
Shares Available Through:      Class  A and Class B  shares are available through broker/dealers,
                               banks   and   other   financial   service   entities   ("Financial
                               Institutions")  that have entered into  agreements with the Fund's
                               distributor, A I M Distributors, Inc. ("AIM Distributors"). Shares
                               also may  be acquired  by sending  an application  directly to  GT
                               Global  Investor Services, Inc. (the  "Transfer Agent") or through
                               exchanges of shares as  described below. See  "How to Invest"  and
                               "Shareholder Account Manual."
 
Exchange Privileges:           Shares  may be exchanged without a  sales charge for shares of the
                               corresponding class of the other GT Global Mutual Funds, which are
                               open-end  management  investment  companies  sub-advised  by   the
                               Sub-adviser.  In  addition, Class  A shares  may be  exchanged for
                               Class A shares  of some of  the mutual funds  that are advised  by
                               AIM,  distributed  by AIM  Distributors and  are  part of  The AIM
                               Family of Funds-Registered Trademark- ("The AIM Family of Funds").
                               See "How to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be  redeemed through Financial  Institutions that  sell
                               shares  of  the Fund  or the  Fund's Transfer  Agent. See  "How to
                               Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other            Dividends and other distributions from net investment income,  net
  Distributions:               short-  term capital  gain, net  capital gain  and net  gains from
                               foreign currency transactions, if any, are paid annually.
</TABLE>
    
 
   
THE AIM FAMILY OF FUNDS, THE AIM FAMILY OF FUNDS AND DESIGN (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS AND LA FAMILIA AIM DE FONDOS AND DESIGN ARE REGISTERED
SERVICE MARKS AND INVEST WITH DISCIPLINE AND AIM BANK CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
                               Prospectus Page 4
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
Reinvestment:                  Dividends and other distributions may be reinvested  automatically
                               in  Fund  shares of  the distributing  class or  in shares  of the
                               corresponding class  of other  GT Global  Mutual Funds  without  a
                               sales charge.
 
First Purchase:                $500 minimum ($100 for individual retirement accounts ("IRAs") and
                               reduced amounts for certain other retirement plans).
 
Subsequent Purchases:          $100  minimum ($25 for IRAs and  reduced amounts for certain other
                               retirement plans).
 
Net Asset Value:               Class A  shares quoted  daily  in the  financial section  of  most
                               newspapers; Class B shares expected to be quoted.
 
Other Features:
 
  Class A Shares:              Letter of Intent                  Dollar Cost Averaging Program
                               Quantity Discounts                Automatic Investment Plan
                               Right of Accumulation             Systematic Withdrawal Plan
                               Reinstatement Privilege           Portfolio Rebalancing Program
 
  Class B Shares:              Automatic Investment Plan         Systematic Withdrawal Plan
                               Dollar Cost Averaging Program     Portfolio Rebalancing Program
</TABLE>
    
 
                               Prospectus Page 5
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transactions costs
associated with investing in the Class A and Class B shares of the Fund are
reflected in the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                                                         CLASS A      CLASS B
                                                                                                       -----------  -----------
<S>                                                                                                    <C>          <C>
SHAREHOLDER TRANSACTION COSTS (2):
  Maximum sales charge on purchases of shares (as a % of offering price).............................       4.75%         None
  Sales charges on reinvested distributions to shareholders..........................................        None         None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is
    less)............................................................................................        None         5.0%
  Redemption charges (3).............................................................................        2.0%         None
  Exchange Fees......................................................................................        None         None
ANNUAL FUND OPERATING EXPENSES (4):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees......................................................       0.98%        0.98%
  12b-1 distribution and service fees (5)............................................................       0.50%        1.00%
  Other expenses (after reimbursements and waivers)..................................................       0.52%        0.52%
                                                                                                       -----------  -----------
Total Fund Operating Expenses........................................................................       2.00%        2.50%
                                                                                                       -----------  -----------
                                                                                                       -----------  -----------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                                                            ONE    THREE   FIVE     TEN
                                                                                            YEAR   YEARS   YEARS   YEARS+
                                                                                            ----   -----   -----   -----
<S>                                                                                         <C>    <C>     <C>     <C>
Class A Shares (6)........................................................................  $67    $108    $151    $270
Class B Shares:
    Assuming a complete redemption at end of period (7)...................................  $77    $111    $157    $
    Assuming no redemption................................................................  $26    $ 79    $135    $
</TABLE>
    
 
- ------------------
   
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. Long-term
    shareholders may pay more than the economic equivalent of the maximum
    front-end sales charges permitted by National Association of Securities
    Dealers, Inc. rules regarding investment companies. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUND'S
    ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT EXPENSES, MAY BE MORE
    OR LESS THAN THOSE SHOWN. The tables and the assumption in the example of a
    5% annual return are required by regulations of the SEC applicable to all
    mutual funds. The 5% annual return is not a prediction of and does not
    represent the Fund's projected or actual performance.
    
 
(2) Sales charge waivers are available for Class A and Class B shares, and
    reduced sales charge purchase plans are available for Class A shares. The
    maximum 5% contingent deferred sales charge on Class B shares applies to
    redemptions during the first year after purchase; the charge generally
    declines by 1% annually thereafter, reaching zero after six years. See "How
    to Invest."
 
(3) The Fund will deduct and retain a 2% redemption fee from the proceeds of all
    redemptions of Class A shares acquired as a result of the reorganization of
    G.T. Global Developing Markets Fund, Inc. into the Fund. The redemption fee
    will be imposed on all such redemptions before May 1, 1998. See "How to
    Redeem Shares."
 
   
(4) Expenses are estimated based on the fees and expenses the Fund is expected
    to incur during its initial fiscal year as an open-end fund and AIM's
    undertaking to limit the Fund's expenses (exclusive of brokerage
    commissions, taxes, interest and extraordinary expenses) to the annual rate
    of 2.00% and 2.50% of the average daily net assets of the Fund's Class A
    shares and Class B shares, respectively. Without waivers, "Other expenses"
    and "Total Fund Operating Expenses" are estimated to be 0.65% and 2.13%,
    respectively, for Class A shares and 0.65% and 2.63%, respectively, for
    Class B shares. "Other expenses" include custody, transfer agent, legal and
    audit fees and other operating expenses. See "Management" herein and in the
    Statement of Additional Information for more information. The Fund also
    offers Advisor Class shares, which are not subject to 12b-1 distribution and
    service fees, to certain categories of investors. See "How to Invest."
    
 
(5) Reflects maximum level of fees authorized for each Class under the Fund's
    Rule 12b-1 distribution plans. The actual level of fees may be lower.
 
(6) Assumes payment of maximum sales charge by the investor.
 
(7) Assumes deduction of the applicable contingent deferred sales charge.
 
   
+   For Class B shares, this number reflects the conversion to Class A shares
    eight years following the end of the calendar month in which a purchase was
    made.
    
 
                               Prospectus Page 6
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The table below provides condensed financial information concerning income and
capital changes for one share of G.T. Global Developing Markets Fund, Inc. (the
"Predecessor Fund") for the periods shown. This information is supplemented by
the financial statements and accompanying notes appearing in the Statement of
Additional Information. The financial information in the table below has been
audited by                  , independent accountants, whose report thereon is
also included in the Statement of Additional Information. The Predecessor Fund
was a closed-end investment company whose single class of shares traded on the
New York Stock Exchange ("NYSE"). On October 31, 1997, the Fund, which had no
previous operating history, acquired the assets and assumed the liabilities of
the Predecessor Fund. On that date, all shareholders of the Predecessor Fund
received Class A shares of the Fund. The fees and expenses of the Fund will
differ from those of the Predecessor Fund. The Fund's fiscal year end will be
October 31, rather than December 31, which was the Predecessor Fund's fiscal
 
year end.
    
 
                       GT GLOBAL DEVELOPING MARKETS FUND
            (SUCCESSOR TO G.T. GLOBAL DEVELOPING MARKETS FUND, INC.)
 
  (For the entire period shown, the Predecessor Fund operated as a closed-end
                    investment company traded on the NYSE.)
 
<TABLE>
<CAPTION>
                                                                                                        JAN. 11, 1994
                                                                                      YEAR ENDED        (COMMENCEMENT
                                                                                       DEC. 31,         OF OPERATIONS)
                                                                  PERIOD ENDED   --------------------         TO
                                                                  OCT. 31, 1997    1996       1995      DEC. 31, 1994
                                                                  -------------  ---------  ---------  ----------------
<S>                                                               <C>            <C>        <C>        <C>
Per Share Operating Performance:
Net asset value, beginning of period............................    $   13.84    $   11.60  $   12.44     $    15.00
                                                                  -------------  ---------  ---------  ----------------
Income from investment operations:
  Net investment income.........................................         0.25         0.53       0.72           0.35
  Net realized and unrealized gain (loss) on investments........        (1.53)        2.19      (0.84)         (2.46)
                                                                  -------------  ---------  ---------  ----------------
    Net increase (decrease) from investment operations..........        (1.28)        2.72      (0.12)         (2.11)
                                                                  -------------  ---------  ---------  ----------------
Distributions to shareholders:
  From net investment income....................................           --        (0.48)     (0.72)         (0.35)
  From net realized gain on investments.........................           --           --         --          (0.10)
                                                                  -------------  ---------  ---------  ----------------
    Total distributions.........................................           --        (0.48)     (0.72)         (0.45)
                                                                  -------------  ---------  ---------  ----------------
Net asset value, end of period..................................    $   12.56    $   13.84  $   11.60     $    12.44
                                                                  -------------  ---------  ---------  ----------------
                                                                  -------------  ---------  ---------  ----------------
Market value, end of period.....................................    $   11.81    $   11.63  $    9.75     $     9.75
                                                                  -------------  ---------  ---------  ----------------
                                                                  -------------  ---------  ---------  ----------------
Total investment return (based on net asset value)(a)...........      (9.25)%+      23.59%    (0.95)%       (14.07)%+
Total investment return (based on market value).................        1.62%(b)    24.18%      6.60%       (32.16)%(b)
 
Ratios and supplemental data:
Net assets, end of period (in 000's)............................    $ 457,379    $ 504,012  $ 422,348     $  452,872
  Ratio of net investment income to average net assets..........        2.03%++      4.07%      6.33%          2.75%++
Ratio of expenses to average net assets:
  With expense reductions.......................................        1.75%++      1.82%      1.77%          2.01%++
  Without expense reductions....................................        1.83%++      1.85%      1.80%          2.01%++
Portfolio turnover rate.........................................         184%++       138%        75%            56%
Average commission rate per share paid on portfolio
 transactions...................................................    $  0.0023    $  0.0022        N/A            N/A
<FN>
- ------------------
</TABLE>
 
+   Not annualized
 
++  Annualized
(a) Total investment return does not include sales charges and differs from the
    Predecessor Fund's total investment return based on market value.
 
N/A Not Applicable
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                 AVERAGE MONTHLY
                                                                                    NUMBER OF
                                                              AVERAGE MONTHLY      REGISTRANT'S
                                            AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES         AVERAGE AMOUNT
                                            OUTSTANDING AT      OUTSTANDING        OUTSTANDING      OF DEBT PER SHARE
YEAR ENDED                                   END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD   DURING THE PERIOD
- ------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                         <C>              <C>                <C>                 <C>
October 31, 1997..........................        --             $379,964           36,416,667           $0.0104
</TABLE>
    
 
                               Prospectus Page 7
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
The Fund's primary investment objective is long-term capital appreciation; its
secondary objective is income, to the extent consistent with seeking capital
appreciation. The Fund normally invests substantially all of its assets in
issuers in the developing (or "emerging") markets of Asia, Europe, Latin America
and elsewhere. A majority of the Fund's assets normally are invested in emerging
market equity securities. The Fund may invest in the following types of equity
securities: common stock, preferred stock, securities convertible into common
stock, American Depository Receipts, Global Depository Receipts, rights and
warrants to acquire such securities and substantially similar forms of equity
with comparable risk characteristics. The Fund may also invest in emerging
market debt securities that will be selected based on their potential to provide
a combination of capital appreciation and current income.
 
   
For purposes of the Fund's operations, emerging markets consist of all countries
determined by the Sub-adviser to have developing or emerging economies and
markets. These countries generally include every country in the world except the
United States, Canada, Japan, Australia, New Zealand and most countries located
in Western Europe. See "Investment Objectives and Policies" in the Statement of
Additional Information for a complete list of all the countries that the Fund
does not currently consider to be emerging markets.
    
 
For purposes of the Fund's policy of normally investing substantially all of its
assets in issuers in emerging markets, the Fund will consider investment in the
following emerging markets:
 
<TABLE>
<S>               <C>            <C>
  Algeria         Hong Kong      Peru
  Argentina       Hungary        Philippines
  Bolivia         India          Poland
  Botswana        Indonesia      Portugal
  Brazil          Israel         Republic of
  Bulgaria        Ivory Coast    Slovakia
  Chile           Jamaica        Russia
  China           Jordan         Singapore
  Colombia        Kazakhstan     Slovenia
  Costa Rica      Kenya          South Africa
  Cyprus          Lebanon        South Korea
  Czech           Malaysia       Sri Lanka
   Republic       Mauritius      Swaziland
  Dominican       Mexico         Taiwan
   Republic       Morocco        Thailand
  Ecuador         Nicaragua      Turkey
  Egypt           Nigeria        Ukraine
  El Salvador     Oman           Uruguay
  Finland         Pakistan       Venezuela
  Ghana           Panama         Zambia
  Greece          Paraguay       Zimbabwe
</TABLE>
 
Although the Fund considers each of the above-listed countries eligible for
investment, it will not be invested in all such markets at all times. Moreover,
investing in some of those markets currently may not be desirable or feasible,
due to the lack of adequate custody arrangements for the Fund's assets, overly
burdensome repatriation and similar restrictions, the lack of organized and
liquid securities markets, unacceptable political risks or for other reasons.
 
   
As used in this Prospectus, an issuer in an emerging market is an entity (1) for
which the principal securities trading market is an emerging market, as defined
above, (2) that (alone or on a consolidated basis) derives 50% or more of its
total revenues from business in emerging markets, provided that, in the
Sub-adviser's view, the value of such issuer's securities will tend to reflect
emerging market developments to a greater extent than developments elsewhere, or
(3) organized under the laws of, or with a principal office in, an emerging
market.
    
 
   
In selecting investments, the Sub-adviser seeks to identify those countries and
industries where economic and political factors, including currency movements,
are likely to produce above-average
    
 
                               Prospectus Page 8
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
growth rates over the long term. The Sub-adviser seeks those emerging markets
that have strongly developing economies and in which the markets are becoming
more sophisticated. The Sub-adviser then invests in those companies in such
countries and industries that it believes are best positioned and managed to
take advantage of these economic and political factors. The Sub-adviser believes
that the issuers of securities in emerging markets often have sales and earnings
growth rates that exceed those in developed countries and that such growth rates
may in turn be reflected in more rapid share price appreciation.
    
 
   
As opportunities to invest in securities in other emerging markets develop, the
Fund expects to expand and further broaden the group of emerging markets in
which it invests. In some cases, investments in debt securities could provide
the Fund with access to emerging markets in the early stages of their economic
development, when equity securities are not yet generally available or, in the
Sub-adviser's view, do not yet present an acceptable investment alternative.
While the Fund generally is not restricted in the portion of its assets that may
be invested in a single region, under normal conditions its assets will be
invested in issuers in at least four countries, and it will not invest more than
25% of its assets in issuers in one country. The Fund's holdings of any one
foreign currency together with securities denominated in or indexed to such
currency will not exceed 40% of its assets.
    
 
INVESTMENTS IN DEBT SECURITIES. The Fund may invest up to 50% of its total
assets in the following types of emerging market debt securities: (1) debt
securities issued or guaranteed by governments, their agencies,
instrumentalities or political subdivisions, or by government owned, controlled
or sponsored entities, including central banks (collectively, "Sovereign Debt"),
including Brady Bonds; (2) interests in issuers organized and operated for the
purpose of restructuring the investment characteristics of Sovereign Debt; (3)
debt securities issued by banks and other business entities; and (4) debt
securities denominated in or indexed to the currencies of emerging markets. Debt
securities held by the Fund may take the form of bonds, notes, bills,
debentures, bank debt obligations, short-term paper, loan participations,
assignments and interests issued by entities organized and operated for the
purpose of restructuring the investment characteristics of any of the foregoing.
There is no requirement with respect to the maturity or duration of debt
securities in which the Fund may invest.
 
There is no limitation on the percentage of the Fund's assets that may be
invested in debt securities that are rated below investment grade. Investment in
below investment grade debt securities involves a high degree of risk and can be
speculative. These debt securities are the equivalent of high yield, high risk
bonds, commonly known as "junk bonds." Debt securities in which the Fund will
invest may not be rated; if rated, it is expected that such ratings will be
below investment grade. See "Risk Factors -- Risks Associated with Debt
Securities" and "-- Risks Associated with Below Investment Grade Debt
Securities."
 
The Fund may invest in "Brady Bonds," which are debt restructurings that provide
for the exchange of cash and loans for newly issued bonds. Brady Bonds have been
issued by the countries of Albania, Argentina, Brazil, Bulgaria, Costa Rica,
Dominican Republic, Ecuador, Ivory Coast, Jordan, Mexico, Nigeria, Panama, Peru,
Philippines, Poland, Uruguay, Venezuela and Vietnam, and are expected to be
issued by other emerging market countries. As of the date of this Prospectus,
the Fund is not aware of the occurrence of any payment defaults on Brady Bonds.
Investors should recognize, however, that Brady Bonds do not have a long payment
history. In addition, Brady Bonds are often rated below investment grade.
 
The Fund may invest in either collateralized or uncollateralized Brady Bonds.
U.S. dollar-denominated collateralized Brady Bonds, which may be fixed rate par
bonds or floating rate discount bonds, are collateralized in full as to
principal by U.S. Treasury zero coupon bonds having the same maturity as the
bonds. Interest payments on such bonds generally are collateralized by cash or
securities in an amount that, in the case of fixed rate bonds, is equal to at
least one year of rolling interest payments or, in the case of floating rate
bonds, initially is equal to at least one year's rolling interest payments based
on the applicable interest rate at the time of issuance and is adjusted at
regular intervals thereafter.
 
Capital appreciation in debt securities may arise as a result of a favorable
change in relative foreign exchange rates, relative interest rate levels and/or
the creditworthiness of issuers.
 
ADDITIONAL INVESTMENT POLICIES
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy
for the Fund if it determines such a strategy
    
 
                               Prospectus Page 9
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
to be warranted due to market, economic or political conditions. Under a
defensive strategy, the Fund may hold cash (U.S. dollars, foreign currencies or
multinational currency units) and/or invest any portion or all of its assets in
high quality money market instruments of U.S. or foreign issuers. In addition,
for temporary defensive purposes, most or all of the Fund's investments may be
made in the United States and denominated in U.S. dollars. To the extent the
Fund adopts a temporary defensive posture, it will not be invested so as to
directly achieve its investment objectives. In addition, pending investment of
proceeds from new sales of Fund shares or in order to meet ordinary daily cash
needs, the Fund may hold cash (U.S. dollars, foreign currencies or multinational
currency units) and may invest in foreign or domestic high quality money market
instruments. For a full description of money market instruments in which the
Funds or the Portfolio may invest, see                 in the Statement of
Additional Information.
    
 
BORROWING AND REVERSE REPURCHASE AGREEMENTS. In connection with meeting requests
for the redemption of Fund shares, the Fund may borrow from banks or may borrow
through reverse repurchase agreements. The Fund also may borrow up to 5% of its
total assets for temporary or emergency purposes other than to meet redemptions,
but total borrowings may not exceed 33 1/3% of its total assets. However, the
Fund will not purchase securities while borrowings in excess of 5% of its total
assets are outstanding. Any borrowing by the Fund may cause greater fluctuation
in the value of its shares than would be the case if it did not borrow.
 
A reverse repurchase agreement is a borrowing transaction in which the Fund
transfers possession of a security to another party, such as a bank or
broker/dealer, in return for cash and agrees to repurchase the security in the
future at an agreed-upon price that includes an interest component.
 
SECURITIES LENDING. The Fund may lend its portfolio securities to broker/dealers
or to other institutional investors. Securities lending allows the Fund to
retain ownership of the securities loaned and, at the same time, enhances the
Fund's total return. The Fund limits its loans of portfolio securities to an
aggregate of 30% of the value of its total assets, measured at the time any such
loan is made. While a loan is outstanding, the borrower must maintain with the
Fund's custodian collateral consisting of cash, U.S. government securities or
certain irrevocable letters of credit equal to at least 100% of the value of the
borrowed securities plus any accrued interest or such other collateral as
permitted by the Fund's investment program and regulatory agencies, and as
approved by the Board. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the securities and possible loss of rights in the
collateral if the borrower fails financially.
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. To attempt to increase
return, the Fund may write call options on securities. This strategy will be
employed only when, in the opinion of the Sub-adviser, the size of the premium
the Fund receives for writing the option is adequate to compensate it against
the risk that appreciation in the underlying security may not be fully realized
if the option is exercised. The Fund also is authorized to write put options to
attempt to enhance return, although it does not currently intend to do so.
    
 
The Fund may also use forward currency contracts, futures contracts, options on
securities, options on currencies, options on indices and options on futures
contracts to attempt to hedge against the overall level of investment and
currency risk normally associated with its investments. These instruments are
often referred to as "derivatives," which may be defined as financial
instruments whose performance is derived, at least in part, from the performance
of another asset (such as a security, currency or an index of securities). The
Fund may enter into such instruments up to the full value of its portfolio
assets. See "Options, Futures and Currency Strategies" in the Statement of
Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, the Fund may enter into forward currency contracts for the purchase
or sale of a specified currency at a specified future date. Such contracts may
involve the purchase or sale of a foreign currency against the U.S. dollar or
may involve two foreign currencies. The Fund may enter into forward currency
contracts either with respect to specific transactions or with respect to its
portfolio positions. The Fund also may purchase and sell put and call options on
currencies, futures contracts on currencies and options on such futures
contracts to hedge its portfolio against movements in exchange rates.
 
Only a limited market, if any, currently exists for options and futures
transactions relating to currencies of most emerging markets, to securities
denominated in such currencies or to securities of
 
                               Prospectus Page 10
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
issuers domiciled or principally engaged in business in such emerging markets.
To the extent that such a market does not exist, the Sub-adviser may not be able
to effectively hedge its investment in such markets.
    
 
   
In addition, the Fund may purchase and sell put and call options on equity and
debt securities to hedge against the risk of fluctuations in the prices of
securities held by the Fund or that the Sub-adviser intends to include in the
Fund's portfolio. The Fund also may purchase and sell put and call options on
stock indices to hedge against overall fluctuations in the securities markets or
in a specific market sector.
    
 
Further, the Fund may sell index futures contracts and may purchase put options
or write call options on such futures contracts to protect against a general
market or a specific market sector decline that could adversely affect the
Fund's portfolio. The Fund also may purchase index futures contracts and
purchase call options or write put options on such contracts to hedge against a
general market or market sector advance and thereby attempt to lessen the cost
of future securities acquisitions. Similarly, the Fund may use interest rate
futures contracts and options thereon to hedge the debt portion of its portfolio
against changes in the general level of interest rates.
 
   
INVESTMENT IN OTHER INVESTMENT COMPANIES OR VEHICLES. The Fund may be able to
invest in certain countries solely or primarily through governmentally
authorized investment vehicles or companies, some of which may be investment
vehicles or companies that are advised by the Sub-adviser or its affiliates
("Affiliated Funds"). Pursuant to the Investment Company Act of 1940, as amended
(the "1940 Act"), the Fund generally may invest up to 10% of its total assets in
the aggregate in shares of other investment companies and up to 5% of its total
assets in any one investment company, as long as each investment does not
represent more than 3% of the outstanding voting stock of the acquired
investment company at the time of investment.
    
 
   
Investment in other investment companies may involve the payment of substantial
premiums above the value of their portfolio securities and multiple layering of
fees and expenses and is subject to limitations under the 1940 Act and market
availability. The Fund does not intend to invest in other investment companies
unless, in the judgment of the Sub-adviser, the potential benefits of such
investment justify the payment of any applicable premium or sales charge. As a
shareholder in another investment company, the Fund would bear its ratable share
of that company's expenses, including its advisory and administration fees. At
the same time the Fund would continue to pay its own management fees and other
expenses. The Sub-adviser waives its advisory fee to the extent that the Fund
invests in an Affiliated Fund.
    
 
   
PRIVATIZATIONS. The governments in some emerging markets have been engaged in
programs of selling part or all of their stakes in government owned or
controlled enterprises ("privatizations"). The Sub-adviser believes that
privatizations may offer opportunities for significant capital appreciation and
intends to invest assets of the Fund in privatizations in appropriate
circumstances. In certain emerging markets, the ability of foreign entities such
as the Fund to participate in privatizations may be limited by local law or the
terms on which the Fund may be permitted to participate may be less advantageous
than those afforded local investors. There can be no assurance that governments
in emerging markets will continue to sell companies currently owned or
controlled by them or that privatization programs will be successful.
    
 
   
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES. The Fund may purchase debt
securities on a "when-issued" basis and may purchase or sell such securities on
a "forward commitment" basis in order to hedge against anticipated changes in
interest rates and prices. The price, which is generally expressed in yield
terms, is fixed at the time the commitment is made, but delivery and payment for
the securities take place at a later date. When-issued securities and forward
commitments may be sold prior to the settlement date, but the Fund will purchase
or sell when-issued securities and forward commitments only with the intention
of actually receiving or delivering the securities, as the case may be. No
income accrues on securities that have been purchased pursuant to a forward
commitment or on a when-issued basis prior to delivery to the Fund. If the Fund
disposes of the right to acquire a when-issued security prior to its acquisition
or disposes of its right to deliver or receive against a forward commitment, it
may incur a gain or loss. At the time the Fund enters into a transaction on a
when-issued or forward commitment basis, the Fund will segregate cash or liquid
securities equal to the value of the when-issued or forward commitment
securities with its custodian bank and will mark to market daily such assets.
There is a risk that the securities may not be delivered and that the Fund may
incur a loss.
    
 
                               Prospectus Page 11
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Fund may invest in fixed and floating
rate loans ("Loans") arranged through private negotiations between a foreign
entity and one or more financial institutions ("Lenders"). The majority of the
Fund's investments in Loans in emerging markets is expected to be in the form of
participations in Loans ("Participations") and assignments of portions of Loans
from third parties ("Assignments"). Participations typically will result in the
Fund having a contractual relationship only with the Lender, not with the
borrower. The Fund will have the right to receive payments of principal,
interest and any fees to which it is entitled only from the Lender selling the
Participation and only upon receipt by the Lender of the payments from the
borrower. In connection with purchasing Participations, the Fund generally will
have no right to enforce compliance by the borrower with the terms of the loan
agreement relating to the loan, nor any rights of set-off against the borrower,
and the Fund may not directly benefit from any collateral supporting the Loan in
which it has purchased the Participation. As a result, the Fund will assume the
credit risk of both the borrower and the Lender that is selling the
Participation.
 
   
In the event of the insolvency of the Lender selling a Participation, the Fund
may be treated as a general creditor of the Lender and may not benefit from any
set-off between the Lender and the borrower. The Fund will acquire
Participations only if the Lender interpositioned between the Fund and the
borrower is determined by the Sub-adviser to be creditworthy. When the Fund
purchases Assignments from Lenders, the Fund will acquire direct rights against
the borrower on the Loan. However, because Assignments are arranged through
private negotiations between potential assignees and assignors, the rights and
obligations acquired by the Fund as the purchaser of an Assignment may differ
from, and be more limited than, those held by the assigning Lender.
    
 
ZERO COUPON SECURITIES. The Fund may invest in certain zero coupon securities
that are "stripped" U.S. Treasury notes and bonds. The Fund also may invest in
zero coupon and other deep discount securities issued by foreign governments and
domestic and foreign corporations, including certain Brady Bonds and other
foreign debt, and in payment-in-kind securities. Zero coupon securities pay no
interest to holders prior to maturity, and payment-in-kind securities pay
"interest" in the form of additional securities. However, a portion of the
original issue discount on zero coupon securities and the interest on
payment-in-kind securities will be included in the Fund's income. Accordingly,
for the Fund to continue to qualify for tax treatment as a regulated investment
company and to avoid a certain excise tax (see "Taxes" in the Statement of
Additional Information), it may be required to distribute an amount that is
greater than the total amount of cash it actually receives. These distributions
may be made from the Fund's cash assets or, if necessary, from the proceeds of
sales of portfolio securities. The Fund will not be able to purchase additional
income-producing securities with cash used to make such distributions, and its
current income ultimately may be reduced as a result. Zero coupon and
payment-in-kind securities usually trade at a deep discount from their face or
par value and will be subject to greater fluctuations of market value in
response to changing interest rates than debt obligations of comparable
maturities that make current distributions of interest in cash.
 
INDEXED COMMERCIAL PAPER. The Fund may invest without limitation in commercial
paper that is indexed to certain specific foreign currency exchange rates. The
terms of such commercial paper provide that its principal amount is adjusted
upwards or downwards (but not below zero) at maturity to reflect changes in the
exchange rate between two currencies while the obligation is outstanding. The
Fund will purchase such commercial paper with the currency in which it is
denominated and, at maturity, will receive interest and principal payments
thereon in that currency, but the amount of principal payable by the issuer at
maturity will change in proportion to the change (if any) in the exchange rate
between the two specified currencies between the date the instrument is issued
and the date the instrument matures. While such commercial paper entails the
risk of loss of principal, the potential for realizing gains as a result of
changes in foreign currency exchange rates enables the Fund to hedge against a
decline in the U.S. dollar value of investments denominated in foreign
currencies while seeking to provide an attractive money market rate of return.
The Fund will not purchase such commercial paper for speculation.
 
OTHER INDEXED SECURITIES. The Fund may invest in certain other indexed
securities, which are securities whose prices are indexed to the prices of other
securities, securities indices, currencies, precious metals or other commodities
or other financial indicators. Indexed securities typically, but
 
                               Prospectus Page 12
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
not always, are debt securities or deposits whose value at maturity or coupon
rate is determined by reference to a specific instrument or statistic. The
performance of indexed securities depends to a great extent on the performance
of the security, currency or other instrument to which they are indexed and also
may be influenced by interest rate changes in the United States and abroad. At
the same time, indexed securities are subject to the credit risks associated
with the issuer of the security, and their values may decline substantially if
the issuer's creditworthiness deteriorates. Indexed securities may be more
volatile than the underlying instruments. New forms of indexed securities
continue to be developed. The Fund may invest in such securities to the extent
consistent with its investment objectives.
 
   
OTHER INFORMATION. The Fund's investment objectives may not be changed without
the approval of a majority of its outstanding voting securities. A "majority of
its outstanding voting securities" means the lesser of (i) 67% of the shares
represented at a meeting at which more than 50% of the outstanding shares are
represented, or (ii) more than 50% of the outstanding shares. In addition, the
Fund has adopted certain investment limitations that also may not be changed
without shareholder approval. A complete description of these limitations is
included in the Statement of Additional Information. Unless specifically noted,
the Fund's investment policies described in this Prospectus and in the Statement
of Additional Information may be changed by the Company's Board of Trustees
without shareholder approval. The Fund's policies regarding lending, and the
percentage of Fund assets that may be committed to borrowing, are fundamental
policies and may not be changed without shareholder approval.
    
 
   
If a percentage restriction on investment or utilization of assets in an
investment policy or restriction is adhered to at the time an investment is
made, a later change in percentage ownership of a security or kind of securities
resulting from changing market values or a similar type of event will not be
considered a violation of the Fund's investment policies or restrictions.
    
 
   
The Fund is authorized to engage in Short Sales, although it currently has no
intention of doing so, and may purchase American Depository Receipts, American
Depository Shares, Global Depository Receipts and European Depository Receipts.
See "Short Sales" and "Depository Receipts," respectively, in the Investment
Objectives and Policies section of the Statement of Additional Information.
    
 
                               Prospectus Page 13
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that the Fund will achieve its investment
objectives. Investing in the Fund entails a substantial degree of risk, and an
investment in the Fund should be considered speculative. Investors are strongly
advised to consider carefully the special risks involved in investing in
emerging markets, which are in addition to the usual risks of investing in
developed markets around the world.
 
The Fund's net asset value will fluctuate, reflecting fluctuations in the market
value of its portfolio positions and its net currency exposure. Equity
securities, particularly common stocks, generally represent the most junior
position in an issuer's capital structure and entitle holders to an interest in
the assets of an issuer, if any, remaining after all more senior claims have
been satisfied. Equity securities, particularly common stocks, generally
represent the most junior position in an issuer's capital structure and entitle
holders to an interest in the assets of an issuer, if any, remaining after all
more senior claims have been satisfied. The value of equity securities held by
each Fund will fluctuate in response to general market and economic
developments, as well as developments affecting the particular issuers of such
securities.
 
NON-DIVERSIFIED CLASSIFICATION. The Fund is classified under the 1940 Act as a
"non-diversified" fund. As a result, the Fund will be able to invest in a
smaller number of issuers than if it was classified under the 1940 Act as a
"diversified" fund. To the extent that the Fund invests in a smaller number of
issuers, the net asset value of its shares may fluctuate more widely and it may
be subject to greater investment and credit risk with respect to its portfolio.
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally will not be registered with, nor the
issuers thereof be subject to, the reporting requirements of, the SEC.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available about domestic securities and issuers.
Foreign companies generally are not subject to uniform accounting, auditing and
financial reporting standards, practices and requirements comparable to those
applicable to domestic companies. In addition, certain costs attributable to
foreign investing, such as custody charges, are higher than those attributable
to domestic investing. Securities of some foreign companies are less liquid and
their prices may be more volatile than securities of comparable domestic
companies. The Fund's net investment income from foreign issuers may be subject
to non-U.S. withholding taxes, thereby reducing that income.
 
Investing in some foreign countries involves risks relating to potential
political and economic instability within such countries and the risks of
expropriation, nationalization, confiscation of assets and property or the
imposition of restrictions on foreign investment and on repatriation of capital
invested. In the event of such expropriation, nationalization or other
confiscation, the Fund could lose its entire investment in that market.
Moreover, individual foreign economies may differ favorably or unfavorably from
the U.S. economy in such respects as growth of gross national product, rate of
inflation, rate of savings and capital reinvestment, currency depreciation,
resource self-sufficiency and balance of payments positions. Investments in
foreign government securities involve special risks, including the risk that the
government issuers may be unable or unwilling to repay principal or interest
when due.
 
The Fund will also be affected favorably or unfavorably by exchange control
regulations or changes in the exchange rates between such currencies and the
U.S. dollar. Changes in currency exchange rates will affect the net asset value
of the Fund's shares and also may affect the value of dividends and interest
earned by the Fund and gains and losses realized by it.
 
INVESTING IN EMERGING MARKETS. Emerging markets generally are dependent heavily
upon international trade and, accordingly, have been and may continue to be
affected adversely by trade barriers, exchange controls, managed adjustments in
relative currency values and other protectionist measures imposed or negotiated
by the countries with which they trade. Inflation and rapid fluctuations in
inflation rates have had and may
 
                               Prospectus Page 14
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
continue to have negative effects on the economies and securities markets of
certain countries with emerging markets.
 
Disclosure and regulatory standards in many respects are less stringent than in
the United States and other major markets. There also may be a lower level of
monitoring and regulation of emerging markets and the activities of investors in
such markets, and enforcement of existing regulations has been extremely
limited.
 
In addition, brokerage commissions, custodial services and other costs relating
to investment in foreign markets generally are more expensive than in the United
States, particularly with respect to emerging markets. Such markets have
different settlement and clearance procedures. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the Fund to make intended securities purchases due to settlement
problems could cause it to miss attractive investment opportunities. Inability
to dispose of a portfolio security caused by settlement problems could result
either in losses to the Fund due to subsequent declines in value of the
portfolio security or, if the Fund has entered into a contract to sell the
security, could result in possible liability to the purchaser.
 
The securities markets of emerging countries are substantially smaller, less
developed, less liquid and more volatile than the securities markets of the
developed countries. The risk also exists that an emergency situation may arise
in one or more emerging markets as a result of which trading of securities may
cease or may be substantially curtailed and prices for the Fund's portfolio
securities in such markets may not be readily available. Section 22(e) of the
1940 Act permits a registered investment company, such as the Fund, to suspend
redemption of its shares for any period during which an emergency exists, as
determined by the SEC. Accordingly, when the Fund believes that circumstances
dictate, it will promptly apply to the SEC for a determination that such an
emergency exists. During the period commencing with the Fund's identification of
such conditions until the date of any SEC action, the Fund's portfolio
securities in the affected markets will be valued at fair value determined in
good faith by or under the direction of the Company's Board of Directors.
 
RISKS ASSOCIATED WITH DEBT SECURITIES. The value of the debt securities held by
the Fund generally will vary inversely with market interest rates. If interest
rates in a market fall, the Fund's debt securities issued by governments or
companies in that market ordinarily will increase in value. If market interest
rates increase, however, the debt securities owned by the Fund in that market
will likely decrease in value.
 
RISKS ASSOCIATED WITH BELOW INVESTMENT GRADE DEBT SECURITIES. The Fund may
invest up to 50% of its total assets in debt securities rated below investment
grade. Such investments involve a high degree of risk.
 
Debt rated Baa by Moody's Investors Service, Inc. ("Moody's") is considered by
Moody's to have speculative characteristics. Debt rated BB, B, CCC, CC or C by
Standard & Poor's, a division of The McGraw-Hill Companies, Inc. ("S&P"), and
debt rated Ba, B, Caa, Ca or C by Moody's is regarded, on balance, as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligation. While such
lower quality debt will likely have some quality and protective characteristics,
these are outweighed by large uncertainties or major risk exposures to adverse
conditions. Debt rated C by Moody's or S&P is the lowest rated debt that is not
in default as to principal or interest, and issues so rated can be regarded as
having extremely poor prospects of ever attaining any real investment standing.
Lower quality debt securities are also generally considered to be subject to
greater risk than securities with higher ratings with regard to a deterioration
of general economic conditions. These foreign debt securities are the equivalent
of high yield, high risk bonds, commonly known as "junk bonds."
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit ratings in response to subsequent events, so that an issuer's
current financial condition may be better or worse than a rating indicates.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have
 
                               Prospectus Page 15
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
more volatile prices than higher quality securities. Issuers of lower quality
securities are often highly leveraged and may not have available to them more
traditional methods of financing. For example, during an economic downturn or a
sustained period of rising interest rates, highly leveraged issuers of lower
quality securities may experience financial stress. During such periods, such
issuers may not have sufficient revenues to meet their interest payment
obligations. The issuer's ability to service its debt obligations may also be
adversely affected by specific developments affecting it, such as its inability
to meet specific projected business forecasts or the unavailability of
additional financing. Similarly, certain emerging market governments that issue
lower quality debt securities are among the largest debtors to commercial banks,
foreign governments and supranational organizations such as the World Bank and
may not be able or willing to make principal and/or interest repayments as they
come due. The risk of loss due to default by the issuer is significantly greater
for the holders of lower quality securities because such securities are
generally unsecured and may be subordinated to the claims of other creditors of
the issuer.
 
Lower quality debt securities frequently have call or buy-back features that
would permit an issuer to call or repurchase the security from the Fund. In
addition, the Fund may have difficulty disposing of lower quality securities
because they may have a thin trading market. There may be no established retail
secondary market for many of these securities, and the Fund anticipates that
such securities could be sold only to a limited number of dealers or
institutional investors. The lack of a liquid secondary market also may have an
adverse impact on market prices of such instruments and may make it more
difficult for the Fund to obtain accurate market quotations for purposes of
valuing its portfolio. The Fund may also acquire lower quality debt securities
during an initial underwriting or that are sold without registration under
applicable securities laws. Such securities involve special considerations and
risks.
 
In addition to the foregoing, factors that could have an adverse effect on the
market value of lower quality debt securities in which the Fund may invest
include (1) potential adverse publicity, (2) heightened sensitivity to general
economic or political conditions and (3) the likely adverse impact of a major
economic recession.
 
The Fund may also incur additional expenses to the extent it is required to seek
recovery upon a default in the payment of principal or interest on its portfolio
holdings, and the Fund may have limited legal recourse in the event of a
default. Debt securities issued by governments in emerging markets can differ
from debt obligations issued by private entities in that remedies from defaults
generally must be pursued in the courts of the defaulting government, and legal
recourse is therefore somewhat diminished. Political conditions, in terms of a
government's willingness to meet the terms of its debt obligations, also are of
considerable significance. There can be no assurance that the holders of
commercial bank debt may not contest payments to the holders of debt securities
issued by governments in emerging markets in the event of default by the
governments under commercial bank loan agreements.
 
   
ILLIQUID SECURITIES. The Fund may invest up to 15% of its net assets in
securities for which no readily available market exists, so-called "illiquid
securities." Illiquid securities may be more difficult to value than liquid
securities, and the sale of illiquid securities generally will require more time
and result in higher brokerage charges or dealer discounts and other selling
expenses than the sale of liquid securities. Moreover, illiquid securities often
sell at a price lower than similar securities that are liquid.
    
 
CURRENCY RISK. Because the Fund may invest substantially in securities
denominated in currencies other than the U.S. dollar, and since the Fund may
hold foreign currencies, it will be affected favorably or unfavorably by
exchange control regulations or changes in the exchange rates between such
currencies and the U.S. dollar. Changes in currency exchange rates will affect
the net asset value of the Fund's shares and also may affect the value of
dividends and interest earned by the Fund and gains and losses realized by it.
Currencies generally are evaluated on the basis of fundamental economic criteria
(e.g., relative inflation and interest rate levels and trends, growth rate
forecasts, balance of payments status and economic policies) as well as
technical and political data. Exchange rates are determined by the forces of
supply and demand in the foreign exchange markets. These forces are affected by
the international balance of payments and other economic and financial
conditions, government intervention, speculation and other factors. If the
currency in which a security is denominated appreciates against the U.S. dollar,
the dollar value of the security will increase. Conversely, a decline in the
exchange
 
                               Prospectus Page 16
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
rate of the currency would adversely affect the value of the security expressed
in dollars.
 
Many of the currencies of emerging market countries have experienced steady
devaluations relative to the U.S. dollar, and major devaluations have
historically occurred in certain countries. Any devaluations in the currencies
in which the Fund's portfolio securities are denominated may have a detrimental
impact on the Fund.
 
Some countries also may have fixed currencies whose values against the U.S.
dollar are not independently determined. In addition, there is a risk that
certain countries may restrict the free conversion of their currencies into
other currencies. Further, certain currencies may not be internationally traded.
 
   
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS. The Fund is authorized to
enter into options, futures and forward currency transactions. These
transactions involve certain risks, which include: (1) dependence on the
Sub-adviser's ability to predict movements in the prices of individual
securities, fluctuations in the general securities markets and movements in
interest rates and currency markets; (2) imperfect correlation, or even no
correlation, between movements in the price of forward contracts, options,
futures contracts or options thereon and movements in the price of the currency
or security hedged or used for cover; (3) the fact that skills and techniques
needed to trade options, futures contracts and options thereon or to use forward
currency contracts are different from those needed to select the securities in
which the Fund invests; (4) lack of assurance that a liquid secondary market
will exist for any particular option, futures contract or option thereon at any
particular time; (5) the possible loss of principal under certain conditions;
and (6) the possible inability of the Fund to purchase or sell a portfolio
security at a time when it would otherwise be favorable for it to do so, or the
possible need for the Fund to sell a security at a disadvantageous time, due to
the need for the Fund to maintain "cover" or to set aside securities in
connection with hedging transactions.
    
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Fund may have difficulty disposing of
Assignments and Participations. The liquidity of such securities is limited, and
the Fund anticipates that such securities could be sold only to a limited number
of institutional investors. The lack of a liquid secondary market could have an
adverse impact on the value of such securities and on the Fund's ability to
dispose of particular Assignments or Participations when necessary to meet its
liquidity needs or in response to a specific economic event, such as a
deterioration in the creditworthiness of the borrower. The lack of a liquid
secondary market for Assignments and Participations also may make it more
difficult for the Fund to assign a value to those securities for purposes of
valuing its portfolio and calculating its net asset value.
 
SOVEREIGN DEBT. The Fund may invest in sovereign debt securities of emerging
market governments, including Brady Bonds. Investments in such securities
involve special risks. The issuer of the debt or the governmental authorities
that control the repayment of the debt may be unable or unwilling to repay
principal or interest when due in accordance with the terms of such debt.
Periods of economic uncertainty may result in the volatility of market prices of
sovereign debt obligations and in turn the Fund's net asset value, to a greater
extent than the volatility inherent in domestic fixed income securities.
 
A sovereign debtor's willingness or ability to repay principal and pay interest
in a timely manner may be affected by, among other factors, its cash flow
situation, the extent of its foreign reserves, the availability of sufficient
foreign exchange on the date a payment is due, the relative size of the debt
service burden to the economy as a whole, the sovereign debtor's policy toward
principal international lenders and the political constraints to which a
sovereign debtor may be subject. Emerging market governments could default on
their sovereign debt. Such sovereign debtors also may be dependent on expected
disbursements from foreign governments, multilateral agencies and other entities
abroad to reduce principal and interest arrearages on their debt. The commitment
on the part of these governments, agencies and others to make such disbursements
may be conditioned on a sovereign debtor's implementation of economic reforms
and/or economic performance and the timely service of such debtor's obligations.
Failure to implement such reforms, achieve such levels of economic performance
or repay principal or interest when due may result in the cancellation of such
third parties' commitments to lend funds to the sovereign debtor, which may
further impair such debtor's ability or willingness to timely service its debts.
 
The occurrence of political, social or diplomatic changes in one or more of the
countries issuing sovereign debt could adversely affect the Fund's investments.
Emerging markets are faced with social
 
                               Prospectus Page 17
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
and political issues, and some of them have experienced high rates of inflation
in recent years and have extensive internal debt. Among other effects, high
inflation and internal debt service requirements may adversely affect the cost
and availability of future domestic sovereign borrowing to finance governmental
programs and may have other adverse social, political and economic consequences.
Political changes or a deterioration of a country's domestic economy or balance
of trade may affect its willingness to service its sovereign debt. Although the
Sub-adviser intends to manage the Fund in a manner that will minimize the
exposure to such risks, there can be no assurance that adverse political changes
will not cause the Fund to suffer a loss of interest or principal on any of its
holdings.
    
 
In recent years, some of the emerging market countries in which the Fund expects
to invest have encountered difficulties in servicing their sovereign debt
obligations. Some of these countries have withheld payments of interest and/or
principal of sovereign debt. These difficulties have also led to agreements to
restructure external debt obligations -- in particular, commercial bank loans --
typically by rescheduling principal payments, reducing interest rates and
extending new credits to finance interest payments on existing debt. In the
future, holders of emerging market sovereign debt securities may be requested to
participate in similar rescheduling of such debt. Certain emerging market
countries are among the largest debtors to commercial banks and foreign
governments. Currently, Brazil, Mexico and Argentina are the largest debtors
among developing countries. At times certain emerging market countries have
declared moratoria on the payment of principal and interest on external debt;
such a moratorium is currently in effect in certain emerging market countries.
There is no bankruptcy proceeding by which a creditor may collect in whole or in
part sovereign debt on which an emerging market government has defaulted.
 
The ability of emerging market governments to make timely payments on their
sovereign debt securities is likely to be influenced strongly by a country's
balance of trade and its access to trade and other international credits. A
country whose exports are concentrated in a few commodities could be vulnerable
to a decline in the international prices of one or more of such commodities.
Increased protectionism on the part of a country's trading partners could also
adversely affect its exports. Such events could diminish a country's trade
account surplus, if any. To the extent that a country receives payment for its
exports in currencies other than hard currencies, its ability to make hard
currency payments could be affected.
 
As noted above, sovereign debt obligations issued by emerging market governments
generally are deemed to be the equivalent in terms of quality to securities
rated below investment grade by Moody's and S&P. Such securities are regarded as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligations and involve
major risk exposure to adverse conditions. Some of such securities, with respect
to which the issuer currently may not be paying interest or may be in payment
default, may be comparable to securities rated D by S&P or C by Moody's. The
Fund may have difficulty disposing of and valuing certain sovereign debt
obligations because there may be a limited trading market for such securities.
Because there is no liquid secondary market for many of these securities, the
Fund anticipates that such securities could be sold only to a limited number of
dealers or institutional investors.
 
                               Prospectus Page 18
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Shares of the Fund may be purchased through Financial Institutions,
some of which may charge the investor a transaction fee. That fee will be in
addition to the sales charge payable by the investor, with respect to Class A
shares. Some of these Financial Institutions (or their designees) may be
authorized to accept purchase orders on behalf of the Fund. All purchase orders
will be executed at the public offering price next determined after the purchase
order is received, which includes any applicable sales charge for Class A
shares. Orders received by the Transfer Agent before the close of regular
trading on the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment
failure or other factors contribute to an earlier closing time) on any Business
Day will be executed at the public offering price for the applicable class of
shares determined that day. Orders received by authorized institutions (or their
designees) before the close of regular trading on the NYSE on a Business Day
will be deemed to have been received by the Fund on such day and will be
effected that day, provided that such orders are transmitted to the Transfer
Agent prior to the time set for receipt of such orders. A "Business Day" is any
day Monday through Friday on which the NYSE is open for business. Financial
Institutions are responsible for forwarding the investor's order to the Transfer
Agent so that it will be received prior to the required time.
    
 
   
The minimum initial investment is $500 ($100 for IRAs and $25 for custodial
accounts under Section 403(b)(7) of the Internal Revenue Code of 1986, as
amended (the "Code"), and other tax-qualified employer-sponsored retirement
accounts, if made by such investors under a systematic investment plan providing
for monthly or quarterly payments of at least that amount). The minimum for
additional purchases is $100 ($25 for IRAs, Code Section 403(b)(7) custodial
accounts and other tax-qualified employer-sponsored retirement accounts, as
mentioned above). THE FUND AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY
PURCHASE ORDER AND TO SUSPEND THE OFFERING OF SHARES FOR A PERIOD OF TIME. In
particular, the Fund and AIM Distributors may reject purchase orders or
exchanges by investors who appear to follow, in the Sub-adviser's judgment, a
market-timing strategy or otherwise engage in excessive trading. See "How to
Make Exchanges -- Limitations on Purchase Orders and Exchanges."
    
 
   
WHEN PLACING PURCHASE ORDERS, INVESTORS SHOULD SPECIFY WHETHER THE ORDER IS FOR
CLASS A OR CLASS B SHARES OF THE FUND. ALL PURCHASE ORDERS THAT FAIL TO SPECIFY
A CLASS WILL AUTOMATICALLY BE INVESTED IN CLASS A SHARES. AIM DISTRIBUTORS WILL
REJECT ANY ORDER FOR PURCHASE OF MORE THAN $250,000 FOR CLASS B SHARES.
    
 
   
PURCHASES THROUGH THE TRANSFER AGENT. After an initial investment is made and a
shareholder account is established through a Financial Institution, at the
investor's option, subsequent purchases may be made directly through the
Transfer Agent. See "Shareholder Account Manual." Investors may also make an
initial investment in the Fund and establish a shareholder account directly
through the Transfer Agent by completing and signing an Account Application
accompanying this Prospectus. Investors should mail to the Transfer Agent the
completed Application together with a check to cover the purchase in accordance
with the instructions provided in the Shareholder Account Manual. Purchases will
be executed at the public offering price next determined after the Transfer
Agent has received the Account Application and check. Subsequent investments do
not need to be accompanied by an application.
    
 
   
Investors also may purchase shares of the Fund by bank wire. Bank wire purchases
will be effected at the next determined public offering price after the bank
wire is received. A wire investment is considered received when the Transfer
Agent is notified that the bank wire has been credited to the Fund. The investor
is responsible for providing prior telephonic or facsimile notice to the
Transfer Agent that a bank wire is being sent. An investor's bank may charge a
service fee for wiring money to the Fund. The Transfer Agent currently does not
charge a service fee for facilitating wire purchases, but reserves the right to
do so in the future. Investors desiring to open an account by bank wire should
call the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual to obtain an account number and detailed
instructions.
    
 
                               Prospectus Page 19
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
CERTIFICATES. Physical certificates representing the Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of
the Fund are recorded on a register by the Transfer Agent, and shareholders who
do not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
of properly executed certificates is required. ACCORDINGLY, THE FUND RECOMMENDS
THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
    
 
DIFFERENCES BETWEEN THE CLASSES. The primary difference between the classes of
the Fund's shares offered through this Prospectus lies in their sales charge
structures and ongoing expenses, as summarized below. Class A and Class B shares
of the Fund represent interests in the same Fund and have the same rights,
except that each class bears the separate expenses of its 12b-1 distribution
plan and has exclusive voting rights with respect to such plan, each class can
experience other minor expense differences and, in addition to different sales
charges, each class has a separate exchange privilege.
 
   
The decision as to which class of shares is more beneficial to an investor
depends on the amount invested, the intended length of time the investment is
held and the investor's personal situation. Large investments may qualify for a
reduced Class A sales charge. Investors in Class B shares have 100% of the
purchase invested immediately. Consult your financial adviser. Financial
Institutions may receive different levels of compensation for selling a
particular class of shares.
    
 
   
[ADVISOR CLASS SHARES. Advisor Class shares are offered through a separate
prospectus to [(a) trustees or other fiduciaries purchasing shares for employee
benefit plans that are sponsored by organizations that have at least 1,000
employees; (b) any account with assets of at least $10,000 if (i) a financial
planner, trust company, bank trust department or registered investment adviser
has investment discretion over the account and (ii) the account holder pays such
person as compensation for its advice and other services an annual fee of at
least .50% of the assets in the account; (c) any account with assets of at least
$10,000 if (i) the account is established under a "wrap fee" program and (ii)
the account holder pays the sponsor of the program an annual fee of at least
 .50% of the assets in the account; (d) accounts advised by one of the companies
composing or affiliated with AMVESCAP PLC; and (e) any of those companies.]
    
 
                           PURCHASING CLASS A SHARES
 
The Fund's public offering price for Class A shares is the next determined net
asset value per share (see "Calculation of Net Asset Value") plus a sales charge
determined in accordance with the following schedule:
 
   
<TABLE>
<CAPTION>
                                                          DEALER
                        INVESTOR'S SALES CHARGE         CONCESSION
                    --------------------------------  ---------------
                         AS A             AS A             AS A
                      PERCENTAGE       PERCENTAGE       PERCENTAGE
AMOUNT OF               OF THE           OF THE           OF THE
INVESTMENT              PUBLIC             NET            PUBLIC
IN SINGLE              OFFERING          AMOUNT          OFFERING
TRANSACTION              PRICE          INVESTED           PRICE
- ------------------  ---------------  ---------------  ---------------
<S>                 <C>              <C>              <C>
Less than
  $50,000.........           4.75%            4.99%           4.00%
$50,000 but less
  than $100,000...           4.00             4.17            3.25
$100,000 but less
  than $250,000...           3.75             3.90            3.00
$250,000 but less
  than $500,000...           2.50             2.56            2.00
$500,000 but less
  than
  $1,000,000......           2.00             2.04            1.60
</TABLE>
    
 
   
PURCHASES OF $1,000,000 OR MORE ARE AT NET ASSET VALUE, SUBJECT TO A CONTINGENT
DEFERRED SALES CHARGE OF 1% IF SHARES ARE REDEEMED PRIOR TO 18 MONTHS FROM THE
DATE SUCH SHARES WERE PURCHASED. AIM Distributors may pay a dealer concession
and/or advance a service fee on such transactions. Shares purchased prior to
June 1, 1998 without a sales charge based on the aggregate purchase amount equal
to at least $500,000 are subject to a contingent deferred sales charge for the
first year after their purchase equal to 1% of the lower of the original
purchase price or the net asset value of such shares at the time of redemption.
    
 
   
Reductions in the initial sales charges shown in the sales charge tables
(quantity discounts) apply to purchases of Class A shares of the GT Global
Mutual Funds that are otherwise subject to an initial sales charge, provided
that such purchases are made by a "purchaser" as hereinafter defined. Purchases
of Class B shares of the GT Global Mutual Funds and The AIM Family of Funds will
not be taken into account in determining whether a purchase qualifies for a
reduction in initial sales charges.
    
 
                               Prospectus Page 20
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
The term "purchaser" means:
    
 
   
/ / an individual and his or her spouse and children, including any trust
    established exclusively for the benefit of any such person; or a pension,
    profit-sharing, or other benefit plan established exclusively for the
    benefit of any such person, such as an IRA, Roth IRA, a single-participant
    money- purchase/profit-sharing plan or an individual participant in a 403(b)
    Plan (unless such 403(b) plan qualifies as the purchaser as defined below);
    
 
   
/ / a 403(b) plan, the employer/sponsor of which is an organization described
    under Section 501(c)(3) of the Code, provided that:
    
 
   
  a. the employer/sponsor must submit contributions for all participating
     employees in a single contribution transmittal (i.e., the funds will not
     accept contributions submitted with respect to individual participants);
    
 
   
  b. each transmittal must be accompanied by a single check or wire transfer;
     and
    
 
   
  c. all new participants must be added to the 403(b) plan by submitting an
     application on behalf of each new participant with the contribution
     transmittal;
    
 
   
/ / a trustee or fiduciary purchasing for a single trust, estate or single
    fiduciary account (including a pension, profit-sharing or other employee
    benefit trust created pursuant to a plan qualified under Section 401 of the
    Code) and 457 plans, although more than one beneficiary or participant is
    involved;
    
 
   
/ / a Simplified Employee Pension ("SEP"), Salary Reduction and other Elective
    Simplified Employee Pension account ("SARSEP"), a Savings Incentive Match
    Plans for Employees IRA ("SIMPLE IRA") where the employer has notified AIM
    Distributors in writing that all of its related employee SEP, SARSEP or
    SIMPLE IRA accounts should be linked;
    
 
   
/ / any other organized group of persons, whether incorporated or not, provided
    the organization has been in existence for at least six months and has some
    purpose other than the purchase at a discount of redeemable securities of a
    registered investment company; or
    
 
   
/ / the discretionary advised accounts of AIM or A I M Capital Management, Inc.
    ("AIM Capital").
    
 
   
SALES CHARGE WAIVERS -- CLASS A SHARES. The following persons may purchase Class
A shares of the Fund through AIM Distributors without payment of an initial
sales charge: (a) AIM Management Group Inc. ("AIM Management") and its
affiliated companies; (b) any current or retired officer, director, trustee or
employee, or any member of the immediate family (including spouse, children,
parents and parents of spouse) of any such person, of AIM Management or its
affiliates or of certain mutual funds which are advised or managed by AIM; or
any trust established exclusively for the benefit of such persons; (c) any
employee benefit plan established for employees of AIM Management or its
affiliates; (d) any current or retired officer, director, trustee or employee,
or any member of the immediate family (including spouse, children, parents and
parents of spouse) of any such person, or of CIGNA Corporation or of any of its
affiliated companies, or of First Data Investor Services Group (formerly The
Shareholders Services Group, Inc.); (e) any investment company sponsored by
CIGNA Investments, Inc. or any of its affiliated companies for the benefit of
its directors' deferred compensation plans; (f) discretionary advised clients of
AIM or AIM Capital; (g) registered representatives and employees of dealers who
have entered into agreements with AIM Distributors (or financial institutions
that have arrangements with such dealers with respect to the sale of shares of
the GT Global Mutual Funds or funds of The AIM Family of Funds) and any member
of the immediate family (including spouse, children, parents and parents of
spouse) of any such person, provided that purchases at net asset value are
permitted by the policies of such person's employer; (h) certain broker-dealers,
investment advisers or bank trust departments that provide asset allocation,
similar specialized investment services or investment company transaction
services for their customers, that charge a minimum annual fee for such
services, and that have entered into an agreement with AIM Distributors with
respect to their use of the GT Global Mutual Funds or funds of The AIM Family of
Funds in connection with such services; (i) employees of Triformis Inc.; (j)
shareholders of any of the GT Global Mutual Funds as of April 30, 1987 who since
that date continually have owned shares of one or more of the GT Global Mutual
Funds; and (k) certain former AMA Investment Advisers' shareholders who became
shareholders of the GT Global Health Care Fund in October 1989, and who have
continuously held shares in the GT Global Mutual Funds since that time.
    
 
   
In addition, shares of any GT Global Mutual Fund may be purchased at net asset
value, without
    
 
                               Prospectus Page 21
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
payment of a sales charge, by pension, profit-sharing or other employee benefit
plans created pursuant to a plan qualified under Section 401 of the Code or
plans under Section 457 of the Code, or employee benefit plans created pursuant
to Section 403(b) of the Code and sponsored by nonprofit organizations defined
under Section 501(c)(3) of the Code. Such plans will qualify for purchases at
net asset value provided that (1) the total amount invested in the plan is at
least $1,000,000, (2) the sponsor signs a $1,000,000 Letter of Intent, (3) such
shares are purchased by an employer-sponsored plan with at least 100 eligible
employees, or (4) all of the plan's transactions are executed through a single
financial institution or service organization who has entered into an agreement
with AIM Distributors with respect to their use of the GT Global Mutual Funds in
connection with such accounts. Section 403(b) plans sponsored by public
educational institutions will not be eligible for net asset value purchases
based on the aggregate investment made by the plan or the number of eligible
employees. Participants in such plans will be eligible for reduced sales charges
based solely on the aggregate value of their individual investments in the
applicable GT Global Mutual Fund. AIM Distributors may pay investment dealers or
other financial service firms for share purchases of the GT Global Mutual Funds
sold at net asset value to an employee benefit plan in accordance with this
paragraph as follows: 1% of the first $2 million of such purchases, plus 0.80%
of the next $1 million of such purchases, plus 0.50% of the next $17 million of
such purchases, and plus 0.25% of amounts in excess of $20 million of such
purchases.
    
 
   
AIM DISTRIBUTORS AND ITS AGENTS RESERVE THE RIGHT AT ANY TIME (1) TO WITHDRAW
ALL OR ANY PART OF THE OFFERING MADE BY THIS PROSPECTUS; (2) TO REJECT ANY
PURCHASE OR EXCHANGE ORDER OR TO CANCEL ANY PURCHASE DUE TO NONPAYMENT OF THE
PURCHASE PRICE; (3) TO INCREASE, WAIVE OR LOWER THE MINIMUM INVESTMENT
REQUIREMENTS; OR (4) TO MODIFY ANY OF THE TERMS OR CONDITIONS OF PURCHASE OF
SHARES OF THE FUND. AIM Distributors and its agents will use their best efforts
to provide notice of any such actions through correspondence with broker-dealers
and existing shareholders, supplements to the GT Global Mutual Funds'
prospectuses, or other appropriate means, and will provide sixty (60) days'
notice in the case of termination or material modification to the exchange
privilege discussed under the caption "How to Make Exchanges."
    
 
REINSTATEMENT PRIVILEGE. Shareholders who redeem their Class A shares in the
Fund have a one-time privilege of reinstating their investment by investing the
proceeds of the redemption at net asset value without a sales charge in Class A
shares of the Fund and/or one or more of the other GT Global Mutual Funds. The
Transfer Agent must receive from the investor or the investor's broker/dealer
within 180 days after the date of the redemption both a written request for
reinvestment and a check not exceeding the amount of the redemption proceeds.
The reinstatement purchase will be effected at the net asset value per share
next determined after such receipt. Gain on the redemption is taxable
notwithstanding exercise of the reinvestment privilege (although loss thereon
might not be deductible as a result of such exercise). See "Dividends, Other
Distributions and Federal Income Taxation."
 
   
REDUCED SALES CHARGE PLANS. Class A shares may be purchased at reduced sales
charges either through the Right of Accumulation or under a Letter of Intent.
Investors should contact their Financial Institution or the Transfer Agent for
more information.
    
 
   
RIGHT OF ACCUMULATION. Pursuant to the Right of Accumulation, investors are
permitted to purchase shares of the Fund at the sales charge applicable to the
total of (a) the dollar amount then being purchased plus (b) the dollar amount
of the investor's concurrent purchases of other GT Global Mutual Funds (other
than GT Global Dollar Fund) and funds of The AIM Family of Funds plus (c) the
price of all shares of GT Global Mutual Funds (other than shares of GT Global
Dollar Fund not acquired by exchange) and funds of The AIM Family of Funds
already held by the investor. To receive the Right of Accumulation, at the time
of purchase investors must give their Financial Institution, the Transfer Agent
or AIM Distributors sufficient information to permit confirmation of
qualification. THE FOREGOING RIGHT OF ACCUMULATION APPLIES ONLY TO CLASS A
SHARES OF THE FUND AND OTHER GT GLOBAL MUTUAL FUNDS (OTHER THAN GT GLOBAL DOLLAR
FUND).
    
 
LETTER OF INTENT. In executing a Letter of Intent ("LOI") an investor indicates
an aggregate investment amount he or she intends to invest in the Class A shares
of the Fund and the Class A shares of other GT Global Mutual Funds (other than
GT Global Dollar Fund) in the following thirteen
 
                               Prospectus Page 22
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
months. The LOI is included as part of the Account Application located at the
end of this Prospectus. The sales charge applicable to that aggregate amount
then becomes the applicable sales charge on all purchases made concurrently with
the execution of the LOI and in the thirteen months following that execution. If
an investor executes an LOI within 90 days of a prior purchase of GT Global
Mutual Fund Class A shares (other than shares of GT Global Dollar Fund), the
prior purchase may be included under the LOI and an appropriate adjustment, if
any, with respect to the sales charges paid by the investor in connection with
the prior purchase will be made, based on the then-current net asset value(s) of
the pertinent Fund(s).
 
   
If at the end of the thirteen month period covered by the LOI the total amount
of purchases does not equal the amount indicated, the investor will be required
to pay the difference between the sales charges paid at the reduced rate and the
sales charges applicable to the purchases actually made. Shares having a value
equal to 5% of the amount specified in the LOI will be held in escrow during the
thirteen month period (while remaining registered in the investor's name) and
are subject to redemption to assure any necessary payment to AIM Distributors of
a higher applicable sales charge.
    
 
Investors should be aware that the Fund may, in the future, suspend the offering
of its shares although not for previously established LOIs. If all ongoing sales
of the Fund shares are suspended, however, an LOI executed in connection with
the offering of the Fund's shares may continue to be completed by the purchase
of shares of one or more other GT Global Mutual Funds (other than GT Global
Dollar Fund).
 
   
For purposes of an LOI, any registered investment adviser, trust company or bank
trust department which exercises investment discretion and which intends within
thirteen months to invest $500,000 or more can be treated as a single purchaser,
provided further that such entity places all purchase and redemption orders.
Such entities should be prepared to establish their qualification for such
treatment. THE FOREGOING LOI APPLIES ONLY TO CLASS A SHARES OF THE FUND AND
OTHER GT GLOBAL MUTUAL FUNDS (OTHER THAN GT GLOBAL DOLLAR FUND).
    
 
   
CONTINGENT DEFERRED SALES CHARGE. A CONTINGENT DEFERRED SALES CHARGE OF 1%
APPLIES TO PURCHASES OF CLASS A SHARES OF $1,000,000 OR MORE THAT ARE REDEEMED
WITHIN 18 MONTHS OF THE DATE OF PURCHASE. This charge will be 1% of the lesser
of the value of the shares redeemed (excluding reinvested dividends and capital
gain distributions) or the total original cost of such shares. In determining
whether a contingent deferred sales charge is payable, and the amount of any
such charge, shares not subject to the contingent deferred sales charge are
redeemed first (including shares purchased by reinvested dividends and capital
gains distributions and amounts representing increases from capital
appreciation), and then other shares are redeemed in the order of purchase. No
such charge will be imposed upon exchanges unless the shares acquired by
exchange are redeemed within 18 months of the date the shares were originally
purchased. For purposes of computing this 18 MONTH PERIOD, shares of any GT
Global Mutual Fund which were acquired through an exchange of shares which
previously were subject to the 1% contingent deferred sales charge will be
credited with the period of time such exchanged shares were held. The charge
will be waived in the following circumstances: (l) redemptions of shares by
employee benefit plans ("Plans") qualified under Sections 401 or 457 of the
Code, or Plans created under Section 403(b) of the Code and sponsored by
nonprofit organizations as defined under Section 501(c)(3) of the Code, where
shares are being redeemed in connection with employee terminations or
withdrawals, and (a) the total amount invested in a Plan is at least $1,000,000,
(b) the sponsor of a Plan signs a letter of intent to invest at least $1,000,000
in one or more of the GT Global Mutual Funds and AIM Funds, or (c) the shares
being redeemed were purchased by an employer-sponsored Plan with at least 100
eligible employees; provided, however, that Plans created under Section 403(b)
of the Code which are sponsored by public educational institutions shall qualify
under (a), (b) or (c) above on the basis of the value of each Plan participant's
aggregate investment in the GT Global Mutual Funds and AIM Funds, and not on the
aggregate investment made by the Plan or on the number of eligible employees;
(2) redemptions of shares following the death or post-purchase disability, as
defined in Section 72(m)(7) of the Code, of a shareholder or a settlor of a
living trust; (3) redemptions of shares purchased at net asset value by private
foundations or endowment funds where the initial amount invested was at least
$1,000,000; (4) redemptions of shares purchased by an investor in amounts of
$1,000,000 or more where such investor's dealer of
    
 
                               Prospectus Page 23
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
record, due to the nature of the investor's account, notifies AIM Distributors
prior to the time of investment that the dealer waives the payments otherwise
payable to the dealer by AIM Distributors; and (5) pursuant to a Systematic
Withdrawal Plan, provided that amounts withdrawn under such plan do not exceed
on an annual basis 12% of the value of the shareholder's investment in Class A
shares at the time the shareholder elects to participate in the Systematic
Withdrawal Plan. Shareholders who purchased $500,000 or more of Class A shares
prior to June 1, 1998 are entitled to certain waivers of the contingent deferred
sales charge on those shares as described in the Statement of Additional
Information under "Information Relating to Sales and Redemptions -- Sales Charge
Waivers for Shares Purchased Prior to June 1, 1998".
    
 
                           PURCHASING CLASS B SHARES
 
The Fund's public offering price for Class B shares is the next determined net
asset value per share. See "Calculation of Net Asset Value." No initial sales
charge is imposed. A contingent deferred sales charge, however, is imposed on
certain redemptions of Class B shares. Because Class B shares are sold without
an initial sales charge, the Fund receives the full amount of the investor's
purchase payment. Class B shares may not be purchased for a Savings Incentive
Match Plan for Employees IRA ("SIMPLE IRA") for which a designated financial
institution was selected by the employer on Form 5305-SIMPLE. However, Class B
shares may be purchased for SIMPLE IRAs using Form 5304-SIMPLE. In addition,
Class A shares may be purchased for all SIMPLE IRAs.
 
   
Class B shares may be redeemed on any business day at the net asset value per
share next determined following receipt of the redemption order, less the
applicable contingent deferred sales charge shown in the table below. No
deferred sales charge will be imposed (i) on redemptions of Class B shares
following six years from the date such shares were purchased, (ii) on Class B
shares acquired through reinvestments of dividends and distributions
attributable to Class B shares or (iii) on amounts that represent capital
appreciation in the shareholder's account above the purchase price of the Class
B shares.
    
 
   
<TABLE>
<CAPTION>
                              CONTINGENT DEFERRED SALES
                                CHARGE AS % OF DOLLAR
YEARS SINCE PURCHASE MADE     AMOUNT SUBJECT TO CHARGE
- ---------------------------  ---------------------------
<S>                          <C>
First......................              5%
Second.....................              4%
Third......................              3%
Fourth.....................              3%
Fifth......................              2%
Sixth......................              1%
Seventh and Following......             None
</TABLE>
    
 
   
In determining whether a contingent deferred sales charge is applicable, it will
be assumed that a redemption is made first, of any shares held in the
shareholder's account that are not subject to such charge; second, of shares
derived from reinvestment of dividends and distributions; third, of shares held
for more than six years from the date such shares were purchased; and fourth, of
shares held less than six years from the date such shares were purchased. The
applicable sales charge will be applied against the lesser of the current market
value of shares redeemed or their original cost.
    
 
For example, assume an investor purchased 100 shares at $10 per share for a cost
of $1,000. Subsequently, the shareholder acquired 15 additional shares through
dividend reinvestment. During the second year after the purchase the investor
decided to redeem $500 of his or her investment. Assuming at the time of the
redemption a net asset value of $11 per share, the value of the investor's
shares would be $1,265 (115 shares at $11 per share). The contingent deferred
sales charge would not be applied to the value of the reinvested dividend
shares. Therefore, the 15 shares currently valued at $165 would be redeemed
without a contingent deferred sales charge. The number of shares needed to fund
the remaining $335 of the redemption would equal 30.455. Using the lower of cost
or market price to determine the contingent deferred sales charge the original
purchase price of $10 per share would be used. The contingent deferred sales
charge calculation would therefore be 30.455 shares times $10 per share at a
contingent deferred sales charge rate of 4% (the applicable rate in the second
year after purchase) for a total contingent deferred sales charge of $12.18.
 
Class B shares that are acquired pursuant to the exchange privilege during a
tender offer by GT Global Floating Rate Fund, Inc. ("Floating Rate Fund") will
be subject, in lieu of the contingent deferred sales charge described above, to
a contingent deferred sales charge equivalent to the early withdrawal charge on
the common stock of the
 
                               Prospectus Page 24
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
Floating Rate Fund. The purchase of Class B shares will be deemed to have
occurred at the time of the initial purchase of the Floating Rate Fund's common
stock.
 
   
For federal income tax purposes, the amount of the contingent deferred sales
charge will reduce the gain or increase the loss, as the case may be, realized
on a redemption. The amount of any contingent deferred sales charge will be
payable to AIM Distributors.
    
 
   
CONTINGENT DEFERRED SALES CHARGE WAIVERS. Contingent deferred sales charges on
Class B shares will be waived on redemptions (1) following the death or
post-purchase disability, as defined in Section 72(m)(7) of the Code, of a
shareholder or a settlor of a living trust (provided AIM Distributors is
notified of such death or post-purchase disability at the time of the redemption
request and is provided with satisfactory evidence of such death or
post-purchase disability), (2) in connection with certain distributions from
individual retirement accounts, custodial accounts maintained pursuant to Code
Section 403(b), deferred compensation plans qualified under Code Section 457 and
plans qualified under Code Section 401 (collectively, "Retirement Plans'), (3)
pursuant to a Systematic Withdrawal Plan, provided that amounts withdrawn under
such plan do not exceed on an annual basis 12% of the value of the shareholder's
investment in Class B shares at the time the shareholder elects to participate
in the Systematic Withdrawal Plan, (4) effected pursuant to the right of a GT
Global Mutual Fund to liquidate a shareholder's account if the aggregate net
asset value of shares held in the account is less than the designated minimum
account size described in this Prospectus of such GT Global Mutual Fund, and (5)
effected by AIM of its investment in Class B shares.
    
 
   
Waiver category (1) above applies only to redemptions of Class B shares held at
the time of death or initial determination of post-purchase disability. Waiver
category (2) above applies only to redemptions resulting from:
    
 
   
(i)  required minimum distributions to plan participants or beneficiaries who
    are age 70 1/2 or older, and only with respect to that portion of such
    distributions which does not exceed 12% annually of the participant's or
    beneficiary's account value in a particular GT Global Mutual Fund;
    
 
   
(ii) in-kind transfers of assets where the participant or beneficiary notifies
    AIM Distributors of such transfer no later than the time such transfer
    occurs;
    
 
   
(iii) tax-free rollovers or transfers of assets to another Retirement Plan
    invested in Class B shares of one or more GT Global Mutual Funds;
    
 
   
(iv) tax-free returns of excess contributions or returns of excess deferral
    amounts; and
    
 
   
(v) distributions upon the death or disability (as defined in the Code) of the
    participant or beneficiary.
    
 
   
Shareholders who purchased Class B shares prior to June 1, 1998 are entitled to
certain waivers of the contingent deferred sales charge on those shares as
described in the Statement of Additional Information under "Information Relating
to Sales and Redemptions -- Sales Charge Waivers for Shares Purchased Prior to
June 1, 1998."
    
 
   
CONVERSION OF CLASS B SHARES. Class B shares automatically will convert into
Class A shares of the same Fund (together with a pro rata portion of all Class B
shares acquired through the reinvestment of dividends and distributions) eight
years from the end of the calendar month in which the purchase of Class B shares
was made. Following such conversion of Class B shares, investors will be
relieved of the higher Rule 12b-1 Plan payments associated with Class B shares.
    
 
            PROGRAMS APPLICABLE TO CLASS A SHARES AND CLASS B SHARES
 
   
AUTOMATIC INVESTMENT PLAN. Investors may purchase either Class A or Class B
shares of the Fund through the GT Global Automatic Investment Plan. Under this
Plan, an amount specified by the shareholder of $100 or more ($25 or more for
IRAs, Code Section 403(b)(7) custodial accounts and other tax-qualified
employer-sponsored retirement accounts) on a monthly or quarterly basis will be
sent to the Transfer Agent from the investor's bank for investment in the Fund.
Participants in the Automatic Investment Plan should not elect to receive
dividends or other distributions from the Fund in cash. A sales charge will be
applied to each automatic monthly purchase of Class A shares in an amount
determined in accordance with the Right of Accumulation privilege described
above. To participate in the Automatic Investment Plan, investors should
complete the appropriate portion of the Supplemental Application provided at the
end of this Prospectus. Investors should contact their Financial Institution or
AIM Distributors for more information.
    
 
                               Prospectus Page 25
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
DOLLAR COST AVERAGING PROGRAM. Investors may purchase either Class A or Class B
shares of the Fund through the GT Global Dollar Cost Averaging Program whereby a
shareholder invests the same dollar amount each month; accordingly, the investor
purchases more shares when the Fund's net asset value is relatively low and
fewer shares when the Fund's net asset value is relatively high. This can result
in a lower average cost-per-share than if the shareholder followed a less
systematic approach. Dollar cost averaging does not assure a profit and does not
protect against loss in declining markets. Because such a program involves
continuous investment in securities regardless of fluctuating price levels of
such securities, investors should consider their financial ability to continue
purchases when prices are declining.
 
   
A participant in the GT Global Dollar Cost Averaging Program first designates
the size of his or her monthly investment in the Fund ("Monthly Investment")
after participation in the Program begins. The Monthly Investment must be at
least $1,000. The investor then will make an initial investment of at least
$10,000 in the GT Global Dollar Fund. Thereafter, each month an amount equal to
the specified Monthly Investment automatically will be redeemed from the GT
Global Dollar Fund and invested in Fund shares. A sales charge will be applied
to each automatic monthly purchase of Class A shares in an amount determined in
accordance with the Right of Accumulation privilege described above. Investors
should contact their Financial Institution or AIM Distributors for more
information.]
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class(es) of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchange(s)." If shares of
the GT Global Mutual Funds in a shareholder's Personal Portfolio have
appreciated during a rebalancing period, the Program will result in shares of GT
Global Mutual Fund(s) that have appreciated most during the period being
exchanged for shares of GT Global Mutual Fund(s) that have appreciated least.
SUCH EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A
GAIN OR LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See
"Dividends, Other Distributions and Federal Income Taxation." Participation in
the Program does not assure that a shareholder will profit from purchases under
the Program nor does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Shareholders participating in
the Program may also participate in the Right of Accumulation, Letter of Intent,
and Dollar Cost Averaging programs. Certain Financial Institutions may charge a
fee for establishing accounts relating to the Program. Investors should contact
their Financial Institution or AIM Distributors for more information.
    
 
                               Prospectus Page 26
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
   
Shares of the Fund may be exchanged for shares of the same class of any other GT
Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical. Class A shares of the Fund also may be exchanged for Class A shares
of funds of The AIM Family of Funds and for AIM Cash Reserve Shares of the AIM
Money Market Fund. However, purchases of Class A shares of GT Global Mutual
Funds of $1,000,000 or more that are subject to a contingent deferred sales
charge may not be exchanged for Class A shares of AIM Limited Maturity Treasury
Fund, AIM Tax-Free Intermediate Fund, or AIM Tax-Exempt Cash Fund. Exchanges
into The AIM Family of Funds will be based on their respective net asset values
without imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES OF CLASS B SHARES. Although currently no exchanges are permitted
between the Fund and funds of The AIM Family of Funds with respect to Class B
shares, the Board of Trustees anticipates that such exchanges will be offered on
or about October 1, 1998.
    
 
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds and The
AIM Family of Funds include the following:
 
  - AIM ADVISOR FLEX FUND
  - AIM ADVISOR INTERNATIONAL VALUE FUND
  - AIM ADVISOR LARGE CAP VALUE FUND
  - AIM ADVISOR MULTIFLEX FUND
  - AIM ADVISOR REAL ESTATE FUND
  - AIM AGGRESSIVE GROWTH FUND
  - AIM ASIAN GROWTH FUND
  - AIM BALANCED FUND
  - AIM BLUE CHIP FUND
   
  - AIM CAPITAL DEVELOPMENT FUND
    
  - AIM CHARTER FUND
  - AIM CONSTELLATION FUND
  - AIM EUROPEAN DEVELOPMENT FUND
  - AIM GLOBAL AGGRESSIVE GROWTH FUND
  - AIM GLOBAL GROWTH FUND
  - AIM GLOBAL INCOME FUND
  - AIM GLOBAL UTILITIES FUND
  - AIM HIGH INCOME MUNICIPAL FUND
  - AIM HIGH YIELD FUND
  - AIM INCOME FUND
  - AIM INTERMEDIATE GOVERNMENT FUND
  - AIM INTERNATIONAL EQUITY FUND
   
  - AIM LIMITED MATURITY TREASURY FUND
    
   
  - AIM MONEY MARKET FUND
    
  - AIM MUNICIPAL BOND FUND
  - AIM SELECT GROWTH FUND
  - AIM TAX-EXEMPT BOND FUND OF CONNECTICUT
  - AIM TAX-EXEMPT CASH FUND
  - AIM TAX-FREE INTERMEDIATE FUND
  - AIM VALUE FUND
  - AIM WEINGARTEN FUND
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
  - GT GLOBAL AMERICA VALUE FUND
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
  - GT GLOBAL DEVELOPING MARKETS FUND
  - GT GLOBAL DOLLAR FUND
  - GT GLOBAL EMERGING MARKETS FUND
  - GT GLOBAL EUROPE GROWTH FUND
  - GT GLOBAL FINANCIAL SERVICES FUND
  - GT GLOBAL GOVERNMENT INCOME FUND
  - GT GLOBAL GROWTH & INCOME FUND
  - GT GLOBAL HEALTH CARE FUND
  - GT GLOBAL HIGH INCOME FUND
  - GT GLOBAL INFRASTRUCTURE FUND
  - GT GLOBAL INTERNATIONAL GROWTH FUND
  - GT GLOBAL JAPAN GROWTH FUND
  - GT GLOBAL LATIN AMERICA GROWTH FUND
  - GT GLOBAL NATURAL RESOURCES FUND
  - GT GLOBAL NEW DIMENSION FUND
  - GT GLOBAL NEW PACIFIC GROWTH FUND
  - GT GLOBAL STRATEGIC INCOME FUND
  - GT GLOBAL TELECOMMUNICATIONS FUND
  - GT GLOBAL WORLDWIDE GROWTH FUND
 
   
If an investor does not surrender all of his or her shares in an exchange, the
remaining balance in the investor's account after the exchange must be at least
$500. Exchange requests received in good order by the Transfer Agent before the
close of regular trading on the NYSE on any Business Day will be processed at
the net asset value calculated on that day. The terms of the exchange offer may
    
 
                               Prospectus Page 27
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
be modified at any time, on 60 days' prior written notice.
 
   
An investor interested in making an exchange should contact his or her Financial
Institution or the Transfer Agent to request the prospectus of the other GT
Global Mutual Fund(s) being considered. Certain Financial Institutions may
charge a fee for handling exchanges.
    
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to the
shareholder's Financial Institution or the Transfer Agent by telephone at the
appropriate toll-free number provided in the Shareholder Account Manual.
Exchange orders will be accepted by telephone provided that the exchange
involves only uncertificated shares on deposit in the shareholder's account or
for which certificates previously have been deposited. Shareholders
automatically have telephone privileges to authorize exchanges. The Fund, AIM
Distributors and the Transfer Agent will not be liable for any loss or damage
for acting in good faith upon instructions received by telephone and reasonably
believed to be genuine. The Fund employs reasonable procedures to confirm that
instructions communicated by telephone are genuine prior to acting upon
instructions received by telephone, including requiring some form of personal
identification, providing written confirmation of such transactions, and/or tape
recording of telephone instructions.
    
 
   
EXCHANGES BY MAIL. Exchange orders should be sent by mail to the shareholder's
Financial Institution or to the Transfer Agent at the address set forth in the
Shareholder Account Manual.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 28
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
Fund shares may be redeemed at their net asset value (subject to any applicable
contingent deferred sales charge for Class B shares or, in limited
circumstances, Class A shares), and redemption proceeds will be sent within
seven days of the execution of a redemption request. If a redeeming shareholder
owns more than one class of shares, the shareholder must specify the class of
shares to be redeemed.
 
   
REDEMPTIONS THROUGH FINANCIAL INSTITUTIONS. Shareholders with accounts at
Financial Institutions which sell shares of the Fund may submit redemption
requests to such Financial Institutions. If the shares are held in the name of
the Financial Institution, the redemption must be made through the Financial
Institution. Financial Institutions may honor a redemption request either by
repurchasing shares from a redeeming shareholder at the net asset value next
determined after the Financial Institution receives the request or, as described
below, by forwarding such requests to the Transfer Agent (see "How to Redeem
Shares -- Redemptions Through the Transfer Agent"). Redemption proceeds normally
will be paid by check or, if offered by the Financial Institution, credited to
the shareholder's account at the Financial Institution at the election of the
shareholder. Financial Institutions may impose a service charge for handling
redemption transactions placed through them and may have other requirements
concerning redemptions. Accordingly, shareholders should contact their Financial
Institution for more details.
    
 
   
REDEMPTIONS THROUGH THE TRANSFER AGENT. Redemption requests may be transmitted
to the Transfer Agent by telephone or by mail, in accordance with the
instructions provided in the Shareholder Account Manual. Redemptions will be
effected at the net asset value (less any applicable contingent deferred sales
charge for Class B shares or, in limited circumstances, Class A shares) next
determined after the Transfer Agent has received the request or after an
Authorized Institution has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institution. A notary public is not an
acceptable guarantor. A shareholder with questions concerning the Fund's
signature guarantee requirement should contact the Transfer Agent.
    
 
Shareholders may qualify to have redemption proceeds sent to a Pre-Designated
Account by completing the appropriate section of the Account Application at the
end of this Prospectus. Shareholders with Pre-Designated Accounts should request
that redemption proceeds be sent either by bank wire or by check. The minimum
redemption amount for a bank wire is $500. Shareholders requesting a bank wire
should allow two business days from the time the redemption request is effected
for the proceeds to be deposited in the shareholder's Pre-Designated Account.
See "How to Redeem Shares -- Other Important Redemption Information."
Shareholders may change their Pre-Designated Accounts only by a letter of
instruction to the Transfer Agent containing all account signatures, each of
which must be guaranteed. The Transfer Agent currently does not charge a bank
wire service fee for each wire redemption sent but reserves the right to do so
in the future. The shareholder's bank may charge a bank wire service fee.
 
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS
 
                               Prospectus Page 29
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Fund, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
SYSTEMATIC WITHDRAWAL PLAN. Shareholders owning shares in the Fund with a value
of $10,000 or more may participate in the GT Global Systematic Withdrawal Plan.
A participating shareholder will receive proceeds from monthly, quarterly or
annual redemptions of Fund shares with respect to either Class A or Class B
shares. No contingent deferred sales charge will be imposed on redemptions made
under the Systematic Withdrawal Plan. The minimum withdrawal amount is $100. The
amount or percentage a participating shareholder specifies to be redeemed may
not, on an annualized basis, exceed 12% of the value of the account, as of the
time the shareholder elects to participate in the Systematic Withdrawal Plan. To
participate in the Systematic Withdrawal Plan, investors should complete the
appropriate portion of the Supplemental Application provided at the end of this
Prospectus. Investors should contact their Financial Institution or the Transfer
Agent for more information. With respect to Class A shares, participation in the
Systematic Withdrawal Plan concurrent with purchases of Class A shares of the
Fund may be disadvantageous to investors because of the sales charges involved
and possible tax implications, and therefore is discouraged. In addition,
shareholders who participate in the Systematic Withdrawal Plan should not elect
to reinvest dividends or other distributions in additional Fund shares.
Systematic withdrawal plans offered by Financial Institutions may have different
features. Accordingly, shareholders should contact their Financial Institution
for more details.
    
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in doubt as to what documents are required should contact
his or her Financial Institution or the Transfer Agent.
    
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone or in
writing will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which the Fund has not
yet received good payment, the Fund may delay payment of redemption proceeds
until the Transfer Agent has assured itself that good payment has been collected
for the purchase of the shares. In the case of purchases by check it can take up
to 10 business days to confirm that the check has cleared and good payment has
been received. Redemption proceeds will not be delayed when shares have been
paid for by wire or when the investor's account holds a sufficient number of
shares for which funds already have been collected.
 
The Fund may redeem the shares of any shareholder whose account is reduced to
less than $500 in value through redemptions or other action by the shareholder.
Written notice will be given to the shareholder at least 60 days prior to the
date fixed for such redemption, during which time the shareholder may increase
his or her holdings to an aggregate amount of $500 or more (with a minimum
purchase of $100).
 
                               Prospectus Page 30
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
   
Shareholders are encouraged to place purchase, exchange and redemption orders
through their Financial Institutions. Shareholders also may place such orders
directly through the Transfer Agent in accordance with this Manual. See "How to
Invest," "How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
    
 
The Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send completed Account Application (if initial purchase) or letter stating Fund
name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
An investor opening a new account should call 1-800-223-2138 to obtain an
account number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION
CONTAINING THE INVESTOR'S CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT
TO THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire instructions
must state Fund name, class of shares, shareholder's registered name and account
number. Bank wires should be sent through the Federal Reserve Bank Wire System
to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures may call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 31
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
The Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing time) each Business Day. The
Fund's net asset value per share is computed by determining the value of its
total assets (the securities it holds plus any cash or other assets, including
dividends and interest accrued but not yet received), subtracting all of its
liabilities (including accrued expenses), and dividing the result by the total
number of shares outstanding. Net asset value is determined separately for each
class of the Fund's shares.
 
   
Equity securities are valued at the last sale price on the exchange or in the
over-the-counter market in which the securities are primarily traded, as of the
close of business on the day the securities are being valued or, lacking any
sales, at the last available bid price. Long-term obligations are valued at the
mean of representative quoted bid and asked prices for the securities or, if
such prices are not available, at prices for securities of comparable maturity,
quality and type; however, when the Sub-adviser deems it appropriate, prices
obtained from a bond pricing service will be used. Short-term debt investments
are amortized to maturity based on their cost, adjusted for foreign exchange
translation and market fluctuations, provided such valuations represent fair
value. When market quotations for futures and options positions held by the Fund
are readily available, those positions are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's Board of Trustees. Securities and other assets quoted
in foreign currencies are valued in U.S. dollars based on the prevailing
exchange rates on that day.
    
 
The Fund's portfolio securities, from time to time, may be listed primarily on
foreign exchanges or over-the-counter dealer markets that trade on days when the
NYSE is closed (such as a Saturday). As a result, the net asset value of the
Fund may be significantly affected by such trading on days when shareholders
cannot purchase or redeem shares of the Fund.
The different service and distribution fees borne by each class of shares will
result in different net asset values. The per share net asset value of the Class
B shares generally will be lower than that of the Class A shares because of the
higher service and distribution fees borne by the Class B shares. The per share
net asset value of the Advisor Class shares of the Fund generally will be higher
than that of the Class A and Class B shares because of the absence of any
service and distribution fees applicable to the Advisor Class shares. It is
expected, however, that the net asset value per share of Class A and Class B
shares will tend to converge immediately after the payment of dividends, which
will differ by approximately the amount of the service and distribution fee
accrual differential between the classes.
 
                               Prospectus Page 32
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. The Fund annually declares and pays as a
dividend all of its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less applicable expenses. The Fund also annually distributes
substantially all of its realized net capital gains and net gains from foreign
currency transactions, if any. The Fund may make an additional dividend or other
distribution each year if necessary to avoid a 4% excise tax on certain
undistributed income and gain.
 
Dividends and other distributions paid by the Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Class B shares will be lower than the per share income
dividends on Class A shares as a result of the higher service and distribution
fees applicable to Class B shares; and the per share income dividends on both
such classes of shares will be lower than the per share income dividends on the
Advisor Class shares as a result of the absence of any service and distribution
fees applicable to Advisor Class shares. SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Fund shares of the distributing class (or in shares of the
    corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Fund shares of the distributing class (or in shares
    of the corresponding class of other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional shares are made at net asset value without
imposition of a sales charge. IF NO ELECTION IS MADE BY A SHAREHOLDER, ALL
DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY REINVESTED IN ADDITIONAL
FUND SHARES OF THE DISTRIBUTING CLASS. Reinvestments in another GT Global Mutual
Fund may only be directed to an account with the identical shareholder
registration and account number. These elections may be changed by a shareholder
at any time; to be effective with respect to a distribution, the shareholder or
the shareholder's broker must contact the Transfer Agent by mail or telephone at
least 15 Business Days prior to the payment date. THE FEDERAL INCOME TAX
CONSEQUENCES OF DIVIDENDS AND OTHER DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE
RECEIVED IN CASH OR REINVESTED IN ADDITIONAL SHARES.
 
Any dividend or other distribution paid by the Fund has the effect of reducing
the net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. The Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that the Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders.
 
Dividends from the Fund's investment company taxable income (whether paid in
cash or reinvested in additional shares) are taxable to its shareholders as
ordinary income to the extent of its earnings and profits. Distributions of the
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate
 
                               Prospectus Page 33
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
taxpayer's net capital gain depending on the taxpayer's holding period and
marginal rate of federal income tax -- generally, 28% for gain recognized on
securities held for more than one year but not more than 18 months and 20% (10%
for taxpayers in the 15% marginal tax bracket) for gain recognized on securities
held for more than 18 months. Pursuant to an Internal Revenue Service notice,
the Fund may divide each net capital gain distribution into a 28% rate gain
distribution and a 20% rate gain distribution (in accordance with the Fund's
holding periods for the securities it sold that generated the distributed gain)
and its shareholders must treat those portions accordingly.
 
The Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
The Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with the
Fund.
 
   
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares (which normally
includes any initial sales charge paid on Class A shares). An exchange of Fund
shares for shares of another GT Global Mutual Fund or a fund of The AIM Family
of Funds generally will have similar tax consequences. However, special tax
rules apply when a shareholder (1) disposes of Class A shares through a
redemption or exchange within 90 days after purchase and (2) subsequently
acquires Class A shares of the Fund or of any other GT Global Mutual Fund or a
fund of The AIM Family of Funds on which an initial sales charge normally is
imposed without paying that sales charge due to the reinstatement privilege or
exchange privilege. In these cases, any gain on the disposition of the original
Class A shares will be increased, or loss decreased, by the amount of the sales
charge paid when those shares were acquired, and that amount will increase the
adjusted basis of the shares subsequently acquired. In addition, if Fund shares
are purchased within 30 days before or after redeeming other Fund shares
(regardless of class) at a loss, all or a part of the loss will not be
deductible and instead will increase the basis of the newly purchased shares.
    
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting the Fund and its shareholders. See "Taxes" in
the Statement of Additional Information for a further discussion. There may be
other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
 
                               Prospectus Page 34
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's Board of Trustees has overall responsibility for the operation of
the Fund. The Company's Board of Trustees has approved all significant
agreements between the Company on the one side and persons or companies
furnishing services to the Fund on the other, including the investment advisory
and administrative services agreement with AIM, the investment sub-advisory and
sub-administration agreement with the Sub-adviser, the agreements with AIM
Distributors regarding distribution of the Fund's shares, the agreement with
State Street Bank and Trust Company as the custodian and the transfer agency
agreement with GT Global Investors Services, Inc., an affiliate of the
Sub-adviser. The day-to-day operations of the Fund are delegated to the officers
of the Company, subject always to the objective and policies of the Fund and to
the general supervision of the Company's Board of Trustees. See "Trustees and
Executive Officers" in the Statement of Additional Information for information
on the Trustees.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Fund's investment managers and administrators include
determining the composition of the Fund's portfolio and placing orders to buy,
sell or hold particular securities; furnishing corporate officers and clerical
staff; providing office space, services and equipment; and supervising all
matters relating to the Fund's operation. For these services, the Fund pays AIM
investment management and administration fees, computed daily and paid monthly,
based on its average daily net assets, at the annualized rate of .975% on the
first $500 million, .95% on the next $500 million, .925% on the next $500
million and .90% on amounts thereafter. Out of the aggregate fees payable by the
Fund, AIM pays the Sub-adviser sub-advisory and sub-administration fees equal to
40% of the aggregate fees AIM receives from the Fund. The investment management
and administration fees paid by the Fund are higher than that paid by most
mutual funds. AIM has undertaken to limit the Fund's expenses (exclusive of
brokerage commissions, taxes, interest and extraordinary expenses) to the annual
rate of 2.00% and 2.50% of the average daily net assets of the Fund's Class A
and Class B shares, respectively.
    
   
The Sub-adviser also serves as the Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion and allocating the result according to the
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to the Fund pursuant to a master investment advisory
agreement, dated as of               , 1998 (the "Advisory Agreement"). AIM was
organized in 1976 and, together with its subsidiaries, manages or advises [over
50] investment company portfolios encompassing a broad range of investment
objectives. The Sub-adviser 50 California Street, 27th Floor, San Francisco,
California 94111, and 1166 Avenue of the Americas, New York, New York 10036,
serves as the sub-adviser to the Fund pursuant to an investment sub-advisory
agreement dated as of               , 1998. On May   , 1998, Liechtenstein
Global Trust AG ("GT"), the former indirect parent organization of the Sub-
adviser, consummated a purchase agreement with AMVESCAP PLC pursuant to which
AMVESCAP PLC acquired GT's Asset Management Division, which includes the
Sub-adviser and certain other affiliates. As a result of this transaction, the
Sub-adviser is now an indirect wholly owned subsidiary of AMVESCAP PLC. Prior to
the sale, the Sub-adviser and its worldwide asset management affiliates provided
investment management and/or administrative services to institutional, corporate
and individual clients around the world since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management
    
 
                               Prospectus Page 35
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking the Fund's investment
 
objective.
    
 
The investment professionals primarily responsible for the portfolio management
of the Fund are as follows:
 
   
<TABLE>
<CAPTION>
                                 RESPONSIBILITIES                             BUSINESS EXPERIENCE
       NAME/OFFICE                 FOR THE FUND                                 PAST FIVE YEARS
- --------------------------  --------------------------  ---------------------------------------------------------------
<S>                         <C>                         <C>
Allan Conway                Portfolio Manager since     Mr. Conway joined [Chancellor GT Asset Management, Inc.] (the
 London                      1997                        "Sub-adviser") and GT Asset Management PLC (London) ("GT Asset
                                                         Management"), an affiliate of the Sub-adviser, in January 1997
                                                         as Head of Global Emerging Market Equities. Based in London,
                                                         he manages a centralized team of global emerging market fund
                                                         managers. From 1992 to 1997, Mr. Conway was Director of
                                                         International Equities at Hermes Investment Management, and
                                                         from 1982 to 1992 was a Portfolio Manager, and eventually
                                                         overall Head of Overseas Equities, at Provident Mutual.
Michael Mabbutt             Portfolio Manager since     Mr. Mabbutt joined the Sub-adviser and GT Asset Management in
 London                      1997                        December 1996. He was appointed Head of Global Emerging Market
                                                         Debt for the Sub-adviser and GT Asset Management in April
                                                         1997. Prior to joining the Sub-adviser, he was a Senior
                                                         Portfolio Manager for global fixed income at Baring Asset
                                                         Management in London from 1992 to 1996. At Baring Asset
                                                         Management, he was responsible for creating the emerging
                                                         market debt process as head of the five member Emerging Market
                                                         Fixed Income Strategy Group.
Mark Thorogood              Portfolio Manager           Mr. Thorogood joined the Sub-adviser and GT Asset Management in
 London                      since 1997                  May 1997 as a Portfolio Manager. Prior thereto, he worked for
                                                         ING-Barings (Hong Kong) from 1994 to 1997 as a proprietary
                                                         Trader. From 1987 to 1994, Mr. Thorogood was at Provident
                                                         Mutual, first as an Analyst, and then as a Portfolio Manager
                                                         covering the Japanese and Asian Equity Markets.
Cheng-Hock Lau              Portfolio Manager since     Mr. Lau has been Chief Investment Officer for Global Fixed
 New York                    1997                        Income for the Sub-adviser since October 1996, and was a
                                                         Senior Portfolio Manager for global/ international fixed
                                                         income for the Sub-adviser from July 1995 to October 1996.
                                                         From               to               , Mr. Lau was employed by
                                                         Chancellor Capital Management, Inc. ("Chancellor Capital"), a
                                                         predecessor of the Sub-adviser. Mr. Lau was a Senior Vice
                                                         President and Senior Portfolio Manager for Fiduciary Trust
                                                         Company International from 1993 to 1995, and Vice President at
                                                         Bankers Trust Company from 1991 to 1993.
</TABLE>
    
 
                               Prospectus Page 36
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
In placing securities orders for the Fund's portfolio transactions, the
Sub-adviser seeks to obtain the best net results. Consistent with its obligation
to obtain the best net results, the Sub-adviser may consider a broker/dealer's
sale of shares of the GT Global Mutual Funds as a factor in considering through
whom portfolio transactions will be effected. Brokerage transactions may be
executed through affiliates of AIM or the Sub-adviser. High portfolio turnover
(over 100%) involves correspondingly greater brokerage commissions and other
transaction costs that the Fund will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. The Company has entered into master distribution
agreements relating to the Fund (the "Distribution Agreements"), dated
              , 1998, with AIM Distributors, a registered broker/dealer and a
wholly owned subsidiary of AIM. The address of AIM Distributors is P.O. Box
4739, Houston, Texas 77210-4739. The Distribution Agreements provide AIM
Distributors with the exclusive rights to distribute shares of the Fund directly
and through institutions with whom AIM Distributors has entered into selected
dealer agreements. Under the Distribution Agreements, AIM Distributors acts as
the distributor of Class A and Class B shares of the Fund. As distributor, AIM
Distributors collects the sales charges imposed on purchases of Class A shares
and any contingent deferred sales charges that may be imposed on certain
redemptions on Class A or Class B shares. AIM Distributors reallows a portion of
the sales charge on Class A shares to broker/ dealers that have sold such shares
in accordance with the schedule set forth above under "How to Invest." AIM
Distributors also pays a commission equal to 4.00% of the amount invested to
broker/ dealers who sell Class B shares. From time to time, AIM Distributors may
pay commissions in excess of these amounts. Commissions are not paid on
exchanges or certain reinvestments in Class B shares. In addition, with respect
to both classes of shares, AIM Distributors makes ongoing payments to
broker/dealers for distribution and service activities in accordance with the
Rule 12b-1 plans described below.
    
 
   
The Fund reserves the right to suspend the offering of its shares upon the
advice of the Sub-adviser that doing so is in the best interests of the
portfolio management process.
    
 
   
AIM Distributors, at its own expense, may provide additional promotional
incentives to brokers that sell shares of the Fund and/or shares of the other GT
Global Mutual Funds. In some instances additional compensation or promotional
incentives may be offered to broker/dealers that have sold or may sell
significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to broker/dealers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and lodging)
incurred by sales personnel and members of their families or other invited
guests to various locations for such seminars or training programs, seminars for
the public, advertising and sales campaigns regarding one or more of the GT
Global Mutual Funds, and/ or other events sponsored by the broker/dealers. In
addition, AIM Distributors makes ongoing payments to brokerage firms, financial
institutions (including banks) and others that facilitate the administration and
servicing of shareholder accounts. AIM Distributors may elect to re-allow the
entire initial sales charge to dealers for all sales with respect to which
orders are placed with AIM Distributors during a particular period. Dealers to
whom substantially the entire sales charge is re-allowed may be deemed to be
"underwriters" as that term is defined under the Securities Act of 1933.
    
 
   
In addition to amounts paid to dealers as a dealer concession out of the initial
sales charge paid by investors, AIM Distributors may, from time to time, at its
expense or as an expense for which it may be compensated under a distribution
plan, if applicable, pay a bonus or other consideration or incentive to dealers
who sell a minimum dollar amount of the shares of the GT Global Mutual Funds
during a specified period of time. In some instances, these incentives may be
offered only to certain dealers who have sold or may sell significant amounts of
shares. At the option of the dealer, such incentives may take the form of
payment for travel expenses, including lodging, incurred in connection with
trips taken by qualifying registered representatives and their families to
places within or outside the United States. The total amount of such additional
bonus payments or other consideration shall not exceed 0.25% of the public
offering price of the shares sold. Any such bonus or incentive programs will not
change the price paid by investors for the purchase of the applicable GT Global
Mutual Fund's shares or the amount that any particular GT Global Mutual Fund
will receive as proceeds from such sales. Dealers may not use sales of the GT
Global Mutual Funds' shares to qualify for any incentives to the extent that
such incentives may be prohibited by the laws of any state.
    
 
   
AIM Distributors may make payments to dealers and institutions who are dealers
of record for purchases
    
 
                               Prospectus Page 37
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
of $1 million or more of Class A shares (or shares which normally involve
payment of initial sales charges), which are sold at net asset value and are
subject to a contingent deferred sales charge as follows: 1% of the first $2
million of such purchases, plus 0.80% of the next $1 million of such purchases,
plus 0.50% of the next $l7 million of such purchases, plus 0.25% of amounts in
excess of $20 million of such purchases.
    
 
   
AIM Distributors may pay sales commissions to dealers and institutions who sell
Class B shares of the GT Global Mutual Funds at the time of such sales. Payments
with respect to Class B shares will equal 4.00% of the purchase price of the
Class B shares sold by the dealer or institution and will consist of a sales
commission equal to 3.75% of the purchase price of the Class B shares sold plus
an advance of the first year service fee of 0.25% with respect to such shares.
The portion of the payments to AIM Distributors under the Class B Plan which
constitutes an asset-based sales charge (0.75%) is intended in part to permit
AIM Distributors to recoup a portion of such sales commissions plus financing
costs.
    
 
   
The Company has adopted a Master Distribution Plan applicable to Class A shares
of the Fund (the "Class A Plan") pursuant to Rule 12b-1 under the 1940 Act, to
compensate AIM Distributors for the purpose of financing any activity that is
intended to result in the sale of Class A shares of the Fund. Under the Class A
Plan, the Company compensates AIM Distributors an aggregate amount of 0.50% of
the average daily net assets of Class A shares of the Fund.
    
 
   
The Company also has adopted a Master Distribution Plan applicable to Class B
shares of the Fund (the "Class B Plan"). Under the Class B Plan, the Fund pays
compensation to AIM Distributors at an annual rate of 1.00% of the average daily
net assets of Class B shares of the Fund.
    
 
   
The Class A Plan and the Class B Plan (together, the "Plans") are designed to
compensate AIM Distributors for certain promotional and other sales-related
costs, and to implement a dealer incentive program that provides for periodic
payments to selected dealers who furnish continuing personal shareholder
services to their customers who purchase and own Class A and Class B shares of
the Fund. Payments also can be directed by AIM Distributors to selected dealers
and financial institutions who have entered into service agreements with respect
to Class A and Class B shares of the Fund and who provide continuing personal
services to their customers who own Class A and Class B shares of the Fund. The
service fees payable to selected dealers and financial institutions are
calculated at the annual rate of 0.25% of the average daily net asset value of
those Fund shares that are held in such institution's or dealer's customers'
accounts that were purchased on or after a prescribed date set forth in the
Plans. Any amounts not payable as a service fee would constitute an asset-based
sales charge. Payments under the Plans are subject to any applicable limitations
imposed by the rules of the National Association of Securities Dealers, Inc.
    
 
   
The Plans do not obligate the Fund to reimburse AIM Distributors for the actual
expenses AIM Distributors may incur in fulfilling its obligations under the
Plans. Thus, even if AIM Distributors' actual expenses exceed the fee payable to
AIM Distributors thereunder at any time, the Fund will not be obligated to pay
more than that fee. If AIM Distributors' expenses are less than the fee it
receives, AIM Distributors will retain the full amount of the fee.
    
 
   
Under the Plans, AIM Distributors may in its discretion from time to time agree
to waive voluntarily all or any portion of its fee that has not been assigned or
transferred, while retaining its ability to be reimbursed for such fee prior to
the end of each fiscal year.
    
 
   
Under the Plans, certain financial institutions which have entered into service
agreements and which sell shares of the Fund on an agency basis, may receive
payments from the Fund pursuant to the respective Plans. AIM Distributors does
not act as principal, but rather as agent for the Fund, in making such payments.
For additional information concerning the operation of the Plans see the
Statement of Additional Information.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. If a bank were prohibited from so acting, its
shareholder clients would be permitted to remain shareholders, and alternative
means for continuing the servicing of such shareholders would be sought. It is
not expected that shareholders would suffer any adverse financial consequences
as a result of any of these occurrences.
    
 
                               Prospectus Page 38
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in the Fund, the shareholder will receive from
the Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to the Fund's Automatic
Investment Plan, Systematic Withdrawal Plan, and automatic dividend reinvestment
program may be provided quarterly. Shortly after the end of the Fund's fiscal
year on October 31 and fiscal half-year on April 30 of each year, shareholders
receive an annual and semiannual report, respectively. In addition, the federal
income tax status of distributions made by the Fund to shareholders is reported
after the end of each calendar year on Form 1099-DIV. Under certain
circumstances, duplicate mailings of the foregoing reports to the same household
may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of the Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of the Fund will be
voted by the Fund's shareholders individually when the matter affects the
specific interest of the Fund only, such as approval of its investment
management arrangements. In addition, shares of a particular class of the Fund
may vote on matters affecting only that class. The shares of the Fund and the
Company's other funds will be voted in the aggregate on other matters, such as
the election of Directors and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting securities may call a meeting of shareholders for
the purpose of voting upon the question of removal of any Trustee or for any
other purpose. The 1940 Act requires the Company to assist shareholders in
calling such a meeting.
    
 
   
Pursuant to the Company's Declaration of Trust, it may issue an unlimited number
of shares of the Fund. Each share of the Fund represents an interest in the Fund
only, has a par value of $0.01 per share, represents an equal proportionate
interest in the Fund with other shares of the Fund and is entitled to such
dividends and other distributions out of the income earned and gain realized on
the assets belonging to the Fund as may be declared at the discretion of the
Board of Trustees. Each share of the Fund is equal in earnings, assets and
voting privileges, except that each class has exclusive voting rights with
respect to its distribution plan and bears the expenses, if any, related to the
distribution of its shares. Shares of the Fund, when issued, are fully paid and
nonassessable.
    
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Fund
toll-free at (800) 223-2138 or by writing to the Fund at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Fund, from time to time, may include information on
its investment results and/or comparisons of its investment results to various
unmanaged indices or results of other mutual funds or groups of mutual funds in
advertisements, sales literature or reports furnished to present or prospective
shareholders.
 
                               Prospectus Page 39
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
In such materials, the Fund may quote its average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of the Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of the Fund. Standardized Return
assumes reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Fund's performance or
more accurately compare such performance to other measures of investment return,
the Fund also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized return reflects percentage rates of return encompassing all
elements of total return (e.g., income and capital appreciation or
depreciation); it assumes reinvestment of all dividends and other distributions.
Non-Standardized Return may be quoted for the same or different periods as those
for which Standardized Return is quoted; it may consist of an aggregate or
average annual percentage rate of return, actual year-by-year rates or any
combination thereof. Non-Standardized Return may or may not take sales charges
into account; performance data calculated without taking the effect of sales
charges into account will be higher than data including the effect of such
charges.
 
The Fund's performance data reflects past performance and is not necessarily
indicative of future results. The Fund's investment results will vary from time
to time depending upon market conditions, the composition of its portfolio and
its operating expenses. These factors and possible differences in calculation
methods should be considered when comparing the Fund's investment results with
those published for other investment companies, other investment vehicles and
unmanaged indices. The Fund's results also should be considered relative to the
risks associated with its investment objective and policies. See "Investment
Results" in the Statement of Additional Information.
 
The Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Fund are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM, and maintains its
offices at California Plaza, 2121 North California Boulevard, Suite 450, Walnut
Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110 is custodian of the Fund's assets.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and the Fund.
Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-adviser and the
Transfer Agent in connection with other matters.
    
 
                               Prospectus Page 40
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
INDEPENDENT ACCOUNTANTS. The Company's and the Fund's independent accountants
are                             , One Post Office Square, Boston, MA 02109.
                            conducts an annual audit of the Fund, assists in the
preparation of the Fund's federal and state income tax returns and consults with
the Company and the Fund as to matters of accounting, regulatory filings, and
federal and state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 41
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND  THE RISKS  OF INVESTING  IN  A CONCENTRATION  OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER  OR CALL AIM DISTRIBUTORS DIRECTLY  AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  PROSPECTUS  AND, IF GIVEN  OR MADE, SUCH  INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON  AS HAVING BEEN AUTHORIZED  BY G.T. INVESTMENT FUNDS,  GT
  GLOBAL  DEVELOPING MARKETS FUND, A I  M ADVISORS, INC., [CHANCELLOR GT ASSET
  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS PROSPECTUS  DOES  NOT
  CONSTITUTE  AN OFFER TO SELL OR SOLICITATION OF  ANY OFFER TO BUY ANY OF THE
  SECURITIES OFFERED HEREBY IN  ANY JURISDICTION TO ANY  PERSON TO WHOM IT  IS
  UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
   
                                                              GTDPR803002 MC
    
<PAGE>
                             GT GLOBAL THEME FUNDS:
                                 ADVISOR CLASS
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                  <C>
         GT GLOBAL FINANCIAL SERVICES FUND              GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
           GT GLOBAL INFRASTRUCTURE FUND                         GT GLOBAL HEALTH CARE FUND
         GT GLOBAL NATURAL RESOURCES FUND                     GT GLOBAL TELECOMMUNICATIONS FUND
</TABLE>
 
GT GLOBAL FINANCIAL SERVICES FUND ("FINANCIAL SERVICES FUND") seeks long-term
capital growth by investing all of its investable assets in the Global Financial
Services Portfolio ("Financial Services Portfolio"), which, in turn, invests
primarily in equity securities of companies throughout the world that operate in
the financial services industries.
 
GT GLOBAL INFRASTRUCTURE FUND
("INFRASTRUCTURE FUND") seeks long-term capital growth by investing all of its
investable assets in the Global Infrastructure Portfolio ("Infrastructure
Portfolio"), which, in turn, invests primarily in equity securities of companies
throughout the world that design, develop or provide products and services
significant to a country's infrastructure.
 
GT GLOBAL NATURAL RESOURCES FUND ("NATURAL RESOURCES FUND") seeks long-term
capital growth by investing all of its investable assets in the Global Natural
Resources Portfolio ("Natural Resources Portfolio"), which, in turn, invests
primarily in equity securities of companies throughout the world that own,
explore or develop natural resources and other basic commodities or supply goods
and services to such companies.
 
GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND ("CONSUMER PRODUCTS AND SERVICES
FUND") seeks long-term capital growth by investing all of its investable assets
in the Global Consumer Products and Services Portfolio ("Consumer Products and
Services Portfolio"), which, in turn, invests primarily in equity securities of
companies throughout the world that manufacture, market, retail or distribute
consumer products and services.
 
GT GLOBAL HEALTH CARE FUND ("HEALTH CARE FUND") seeks long-term capital
appreciation by investing primarily in equity securities of health care
companies throughout the world.
 
GT GLOBAL TELECOMMUNICATIONS FUND ("TELECOMMUNICATIONS FUND") seeks long-term
growth of capital by investing primarily in equity securities of companies
throughout the world engaged in the development, manufacture or sale of
telecommunications services or equipment.
 
Each Portfolio's investment objective is identical to that of its corresponding
Fund. There can be no assurance that any Fund or Portfolio will achieve its
investment objective. The investment experience of the Financial Services Fund,
Infrastructure Fund, Natural Resources Fund and Consumer Products and Services
Fund will correspond directly with the investment experience of their
corresponding Portfolios.
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
   
The Funds and the Portfolios are managed by A I M Advisors, Inc. ("AIM") and are
sub-advised and sub-administered by [Chancellor GT Asset Management, Inc.] (the
"Sub-adviser"). AIM and the Sub-adviser and their worldwide asset management
affiliates provide investment management and/or administrative services to
institutional, corporate and individual clients around the world. AIM and the
Sub-adviser are both indirect wholly owned subsidiaries of AMVESCAP PLC.
AMVESCAP PLC and its subsidiaries are an independent investment management group
that has a significant presence in the institutional and retail segment of the
investment management industry in North America and Europe, and a growing
presence in Asia.
    
 
Shares offered by this Prospectus are available for purchase only by certain
investors and are offered at net asset value without the imposition of a
front-end or contingent deferred sales charge or Rule 12b-1 fees.
 
   
This Prospectus sets forth concisely the information an investor should know
before investing and should be read carefully and retained for future reference.
A Statement of Additional Information, dated June 1, 1998, has been filed with
the Securities and Exchange Commission ("SEC") and, as supplemented or amended
from time to time, is incorporated by reference. The Statement of Additional
Information is available without charge by writing to the Funds at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling [(800) 824-1580]. It
is also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
   
FOR FURTHER INFORMATION, CALL [(800) 824-1580] OR CONTACT YOUR FINANCIAL
ADVISER.
    
 
- --------------------------------------------------------------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
  AND EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
    PASSED ON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.
             ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          8
Investment Objectives and Policies........................................................         16
Risk Factors..............................................................................         24
How to Invest.............................................................................         29
How to Make Exchanges.....................................................................         31
How to Redeem Shares......................................................................         33
Shareholder Account Manual................................................................         35
Calculation of Net Asset Value............................................................         36
Dividends, Other Distributions and Federal Income Taxation................................         36
Management................................................................................         39
Other Information.........................................................................         42
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Funds and the Portfolios:  Each Fund is a diversified series of G.T. Investment Funds (the
                               "Company"). Each Portfolio is a diversified series of Global
                               Investment Portfolio. The Portfolios, Health Care Fund and
                               Telecommunications Fund are referred to herein as the "Theme
                               Portfolios."
 
Investment Objectives:         The Financial Services Fund, Infrastructure Fund, Natural
                               Resources Fund and Consumer Products and Services Fund seek
                               long-term capital growth. The Health Care Fund seeks long-term
                               capital appreciation. The Telecommunications Fund seeks long-term
                               growth of capital.
 
Principal Investments:         The Financial Services Fund invests all of its investable assets
                               in the Financial Services Portfolio, which, in turn, invests
                               primarily in equity securities of companies throughout the world
                               that operate in the financial services industries.
 
                               The Infrastructure Fund invests all of its investable assets in
                               the Infrastructure Portfolio, which, in turn, invests primarily in
                               equity securities of companies throughout the world that design,
                               develop or provide products and services significant to a
                               country's infrastructure.
 
                               The Natural Resources Fund invests all of its investable assets in
                               the Natural Resources Portfolio, which, in turn, invests primarily
                               in equity securities of companies throughout the world that own,
                               explore or develop natural resources and other basic commodities
                               or supply goods and services to such companies.
 
                               The Consumer Products and Services Fund invests all of its
                               investable assets in the Consumer Products and Services Portfolio,
                               which, in turn, invests primarily in equity securities of
                               companies throughout the world that manufacture, market, retail or
                               distribute consumer products and services.
 
                               The Health Care Fund invests primarily in equity securities of
                               health care companies throughout the world.
 
                               The Telecommunications Fund invests primarily in equity securities
                               of companies throughout the world engaged in the development,
                               manufacture or sale of telecommunications services or equipment.
 
Principal Risk Factors:        There is no assurance that any Fund or Portfolio will achieve its
                               investment objective. Each Fund's net asset value will fluctuate,
                               reflecting fluctuations in the market value of its or its
                               corresponding Portfolio's portfolio holdings. Each Theme
                               Portfolio's policy of concentrating its investments in companies
                               in its particular industries may cause a Fund's net asset value to
                               fluctuate more than if it invested in a greater number of
                               industries.
 
                               Each Theme Portfolio may invest in foreign securities. Investments
                               in foreign securities involve risks relating to political and
                               economic developments abroad and the differences between the
                               regulations to which U.S. and foreign issuers are subject.
                               Individual foreign economies also may
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               differ favorably or unfavorably from the U.S. economy. Changes in
                               foreign currency exchange rates will affect a Fund's net asset
                               value, earnings and gains and losses realized on sales of
                               securities. Securities of foreign companies may be less liquid and
                               their prices more volatile than those of securities of comparable
                               U.S. companies.
 
                               Each Theme Portfolio may engage in certain foreign currency,
                               options and futures transactions to attempt to hedge against the
                               overall level of investment and currency risk associated with its
                               present or planned investments. Such transactions involve certain
                               risks and transaction costs.
 
                               The Financial Services Portfolio, Health Care Fund and
                               Telecommunications Fund may each invest up to 5%, and the
                               Infrastructure Portfolio, Natural Resources Portfolio and Consumer
                               Products and Services Portfolio, may each invest up to 20%, of its
                               total assets in below investment grade debt securities.
                               Investments of this type are subject to a greater risk of loss of
                               principal and interest.
 
                               See "Investment Objectives and Policies" and "Risk Factors."
 
                               AIM and the Sub-adviser and their worldwide asset management
Investment Managers:           affiliates provide investment management and/or administrative
                               services to institutional, corporate and individual clients around
                               the world. AIM and the Sub-adviser are both indirect wholly owned
                               subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its subsidiaries
                               are an independent investment management group that has a
                               significant presence in the institutional and retail segment of
                               the investment management industry in North America and Europe,
                               and a growing presence in Asia. AIM was organized in 1976 and,
                               together with its affiliates, currently advises [over 50]
                               investment company portfolios. On              , 1998, AMVESCAP
                               PLC acquired the Asset Management Division of Liechtenstein Global
                               Trust AG ("GT"), which included the Sub-adviser and certain other
                               affiliates.
 
                               Advisor Class shares are offered through this Prospectus to [(a)
Advisor Class Shares:          trustees or other fiduciaries purchasing shares for employee
                               benefit plans which are sponsored by organizations which have at
                               least 1,000 employees; (b) any account with assets of at least
                               $10,000 if (i) a financial planner, trust company, bank trust
                               department or registered investment adviser has investment
                               discretion over such account, and (ii) the account holder pays
                               such person as compensation for its advice and other services an
                               annual fee of at least 0.50% on the assets in the account; (c) any
                               account with assets of a least $10,000 if (i) such account is
                               established under a "wrap fee" program, and (ii) the account
                               holder pays the sponsor of such program an annual fee of at least
                               0.50% on the assets in the account; (d) accounts advised by one of
                               the companies composing or affiliated with AMVESCAP PLC; (e) any
                               of the companies composing or affiliated with AMVESCAP PLC; and
                               (f) GT Global New Dimension Fund.]
 
Shares Available Through:      Advisor Class shares are available through Financial Advisers (as
                               defined herein) who have entered into agreements with the Fund's
                               distributor, A I M Distributors, Inc. ("AIM Distributors") or
                               certain of its affiliates.
</TABLE>
    
 
                               Prospectus Page 4
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               Shares also may be acquired by sending an application directly to
                               GT Global Investor Services Inc. (the "Transfer Agent") or through
                               exchanges of shares as described below. See "How to Invest" and
                               "Shareholder Account Manual."
 
Exchange Privileges:           Advisor Class shares may be exchanged for Advisor Class shares of
                               the other GT Global Mutual Funds, which are open-end management
                               investment companies sub-advised by the Sub-adviser. See "How to
                               Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be redeemed through the Funds' Transfer Agent. See "How
                               to Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other
  Distributions:               Dividends are paid annually from net investment income and
                               realized net short-term capital gain; other distributions are paid
                               annually from net capital gain and net gains from foreign currency
                               transactions, if any.
 
Reinvestment:                  Dividends and other distributions may be reinvested automatically
                               in Advisor Class shares of the distributing Fund or in Advisor
                               Class shares of other GT Global Mutual Funds.
</TABLE>
    
 
                               Prospectus Page 5
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Advisor Class shares of the Funds are reflected in the
following tables (1):
   
<TABLE>
<CAPTION>
                                                              GT GLOBAL           GT GLOBAL             GT GLOBAL
                                                             HEALTH CARE     TELECOMMUNICATIONS    FINANCIAL SERVICES
                                                                FUND                FUND                  FUND
                                                           ---------------  ---------------------  -------------------
                                                            ADVISOR CLASS       ADVISOR CLASS         ADVISOR CLASS
                                                           ---------------  ---------------------  -------------------
<S>                                                        <C>              <C>                    <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases of shares
   (as a % of offering price)............................          None                None                  None
  Sales charges on reinvested distributions to
   shareholders..........................................          None                None                  None
  Maximum deferred sales charge (as a % of net asset
   value at time of purchase or sale, whichever is
   less).................................................          None                None                  None
  Redemption charges.....................................          None                None                  None
  Exchange fees..........................................          None                None                  None
ANNUAL FUND OPERATING EXPENSES (2):
 (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees..........         0.97%               0.94%                 0.98%
  12b-1 distribution and service fees....................          None                None                  None
  Other expenses (after reimbursements)..................         0.33%               0.40%                     %
                                                                -------             -------               -------
  Total Fund Operating Expenses..........................         1.30%               1.34%                 1.50%
                                                                -------             -------               -------
                                                                -------             -------               -------
 
<CAPTION>
 
                                                                                                        GT GLOBAL
                                                              GT GLOBAL           GT GLOBAL         CONSUMER PRODUCTS
                                                           INFRASTRUCTURE          NATURAL                 AND
                                                                FUND           RESOURCES FUND         SERVICES FUND
                                                           ---------------  ---------------------  -------------------
                                                            ADVISOR CLASS       ADVISOR CLASS         ADVISOR CLASS
                                                           ---------------  ---------------------  -------------------
<S>                                                        <C>              <C>                    <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases of shares
   (as a % of offering price)............................          None                None                  None
  Sales charges on reinvested distributions to
   shareholders..........................................          None                None                  None
  Maximum deferred sales charge (as a % of net asset
   value at time of purchase or sale, whichever is
   less).................................................          None                None                  None
  Redemption charges.....................................          None                None                  None
  Exchange fees                                                    None                None                  None
ANNUAL FUND OPERATING EXPENSES (2):
 (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees..........         0.98%               0.98%                 0.98%
  12b-1 distribution and service fees....................          None                None                  None
  Other expenses (after reimbursements)..................             %                   %                 0.51%
                                                                -------             -------               -------
  Total Fund Operating Expenses..........................         1.50%               1.50%                 1.49%
                                                                -------             -------               -------
                                                                -------             -------               -------
</TABLE>
    
 
                               Prospectus Page 6
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Funds, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                              GT GLOBAL                     GT GLOBAL                       GT GLOBAL
                                             HEALTH CARE                TELECOMMUNICATIONS             FINANCIAL SERVICES
                                                FUND                           FUND                           FUND
                                     ---------------------------   ----------------------------   -----------------------------
                                     ONE    THREE  FIVE     TEN    ONE    THREE   FIVE     TEN     ONE    THREE   FIVE     TEN
                                     YEAR   YEARS  YEARS   YEARS   YEAR   YEARS   YEARS   YEARS   YEAR    YEARS   YEARS   YEARS
                                     ----   ----   -----   -----   ----   -----   -----   -----   -----   -----   -----   -----
<S>                                  <C>    <C>    <C>     <C>     <C>    <C>     <C>     <C>     <C>     <C>     <C>     <C>
Advisor Class Shares...............  $13    $41    $ 72    $158    $14    $ 43    $ 74    $162    $       $       $       $
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                              GT GLOBAL                     GT GLOBAL                       GT GLOBAL
                                           INFRASTRUCTURE               NATURAL RESOURCES               CONSUMER PRODUCTS
                                                FUND                           FUND                     AND SERVICES FUND
                                     ---------------------------   ----------------------------   -----------------------------
                                     ONE    THREE  FIVE     TEN    ONE    THREE   FIVE     TEN     ONE    THREE   FIVE     TEN
                                     YEAR   YEARS  YEARS   YEARS   YEAR   YEARS   YEARS   YEARS   YEAR    YEARS   YEARS   YEARS
                                     ----   ----   -----   -----   ----   -----   -----   -----   -----   -----   -----   -----
<S>                                  <C>    <C>    <C>     <C>     <C>    <C>     <C>     <C>     <C>     <C>     <C>     <C>
Advisor Class Shares...............  $      $      $       $       $      $       $       $       $ 15    $ 47    $ 82    $179
</TABLE>
    
 
- --------------
   
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUNDS. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUNDS' AND
    THE PORTFOLIOS' ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT
    EXPENSES, MAY BE MORE OR LESS THAN THOSE SHOWN. The tables and the
    assumption in the Hypothetical Example of a 5% annual return are required by
    regulation of the SEC applicable to all mutual funds. The 5% annual return
    is not a prediction of and does not represent the Funds' or the Portfolios'
    projected or actual performance.
    
 
   
(2) Expenses are based on the Funds' fiscal year ended October 31, 1997 restated
    to reflect the current expense limits. "Other expenses" include custody,
    transfer agency, legal, audit and other operating expenses. AIM has
    undertaken to limit each Fund's expenses (exclusive of brokerage
    commissions, taxes, interest and extraordinary expenses) to the annual rate
    of 1.50% of the average daily net assets of each Fund's Advisor Class
    shares. Without reimbursements, "Other Expenses" and "Total Fund Operating
    Expenses" would have been 0.88% and 1.86%, respectively, for Advisor Class
    shares of the Financial Services Fund; 0.60% and 1.58%, respectively, for
    Advisor Class shares of the Infrastructure Fund; and 0.65% and 1.63%,
    respectively, for Advisor Class Shares of the Natural Resources Fund. See
    "Management" herein and the Statement of Additional Information for more
    information. Investors purchasing Advisor Class shares through financial
    planners, trust companies, bank trust departments or registered investment
    advisers, or under a "wrap fee" program, will be subject to additional fees
    charged by such entities or by the sponsors of such programs. Where any
    account advised by one of the companies composing or affiliated with
    AMVESCAP PLC invests in Advisor Class shares of a Fund, such account shall
    not be subject to duplicative advisory fees.
    
 
   
    The Board of Trustees of the Company believes that the aggregate per share
    expenses of the Financial Services Fund, Infrastructure Fund, Natural
    Resources Fund and Consumer Products and Services Fund and each of their
    corresponding Portfolios will be approximately equal to the expenses each
    such Fund would incur if its assets were invested directly in the type of
    securities being held by its corresponding Portfolio.
    
 
                               Prospectus Page 7
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Advisor Class share of each Fund for the
periods shown. This information is supplemented by the financial statements and
accompanying notes appearing in the Statement of Additional Information. The
financial statements and notes for the fiscal year ended October 31, 1997, have
been audited by            , independent accountants, whose report thereon is
also included in the Statement of Additional Information.
    
 
                           GT GLOBAL HEALTH CARE FUND
 
<TABLE>
<CAPTION>
                                                            CLASS A+
                                ----------------------------------------------------------------
                                                      YEAR ENDED OCT. 31,
                                ----------------------------------------------------------------
                                  1997*      1996*      1995       1994*      1993*      1992
                                ---------  ---------  ---------  ---------  ---------  ---------
<S>                             <C>        <C>        <C>        <C>        <C>        <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................  $   23.60  $   21.84  $   19.60  $   17.86  $   17.44  $   19.29
                                ---------  ---------  ---------  ---------  ---------  ---------
Income from investment
 operations:
  Net investment income
   (loss).....................      (0.25)     (0.17)     (0.15)     (0.22)     (0.15)     (0.18)
  Net realized and unrealized
   gain (loss) on
   investments................       6.48       4.79       3.73       2.02       0.57      (1.53)
                                ---------  ---------  ---------  ---------  ---------  ---------
  Net increase (decrease) from
   investment operations......       6.23       4.62       3.58       1.80       0.42      (1.71)
                                ---------  ---------  ---------  ---------  ---------  ---------
Distributions:
  From net investment
   income.....................         --         --         --         --         --         --
  From net realized gain on
   investments................      (1.85)     (2.86)     (1.34)        --         --      (0.14)
  In excess of net realized
   gain on investments........         --         --         --      (0.06)        --         --
                                ---------  ---------  ---------  ---------  ---------  ---------
    Total distributions.......      (1.85)     (2.86)     (1.34)     (0.06)        --      (0.14)
                                ---------  ---------  ---------  ---------  ---------  ---------
Net asset value, end of
 period.......................  $   27.98  $   23.60  $   21.84  $   19.60  $   17.86  $   17.44
                                ---------  ---------  ---------  ---------  ---------  ---------
                                ---------  ---------  ---------  ---------  ---------  ---------
Total investment return (c)...     28.36%     23.14%     19.79%     10.11%       2.4%     (8.9)%
                                ---------  ---------  ---------  ---------  ---------  ---------
                                ---------  ---------  ---------  ---------  ---------  ---------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $ 472,083  $ 467,861  $ 426,380  $ 438,940  $ 461,113  $ 655,867
Ratio of net investment income
 (loss) to average net assets:
  With expense reductions.....    (1.00)%    (0.71)%    (0.72)%    (1.23)%     (0.9)%    (0.97)%
  Without expense
   reductions.................    (1.03)%    (0.75)%    (0.78)%        N/A        N/A        N/A
Ratio of expenses to average
 net assets:
  With expense reduction......      1.77%      1.80%      1.85%      1.98%       2.0%      2.05%
  Without expense reduction...      1.80%      1.84%      1.91%        N/A        N/A        N/A
Portfolio turnover rate +++...       149%       157%        99%        64%        61%        30%
Average commission rate per
 share paid on portfolio
 transactions +++.............  $  0.0490  $  0.0548        N/A        N/A        N/A        N/A
</TABLE>
 
- ------------------
+   All capital shares issued and outstanding as of March 31, 1993, were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
*   These selected per share data were calculated based upon average shares
    outstanding during the period.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                               Prospectus Page 8
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                           GT GLOBAL HEALTH CARE FUND
                                  (CONTINUED)
<TABLE>
<CAPTION>
                                                                     CLASS A+                        ADVISOR CLASS**
                                                    -------------------------------------------  ------------------------
                                                                                AUG. 7, 1989
                                                      YEAR ENDED OCT. 31,       (COMMENCEMENT      YEAR ENDED OCT. 31,
                                                    ------------------------  OF OPERATIONS) TO  ------------------------
                                                       1991         1990        OCT. 31, 1989       1997*        1996*
                                                    -----------  -----------  -----------------  -----------  -----------
<S>                                                 <C>          <C>          <C>                <C>          <C>
Per Share Operating Performance:
Net asset value, beginning of period..............  $     12.83  $     11.83     $     11.43     $     23.77  $     21.88
                                                    -----------  -----------        --------     -----------  -----------
Income from investment operations:
  Net investment income (loss)....................         0.03         0.06            0.01           (0.12)       (0.05)
  Net realized and unrealized gain (loss) on
   investments....................................         6.78         0.97            0.39            6.54         4.80
                                                    -----------  -----------        --------     -----------  -----------
  Net increase (decrease) from investment
   operations.....................................         6.81         1.03            0.40            6.42         4.75
                                                    -----------  -----------        --------     -----------  -----------
Distributions:
  From net investment income......................        (0.07)       (0.03)             --              --           --
  From net realized gain on investments...........        (0.28)          --              --           (1.85)       (2.86)
  In excess of net realized gain on investments...           --           --              --              --           --
                                                    -----------  -----------        --------     -----------  -----------
    Total distributions...........................        (0.35)       (0.03)             --           (1.85)       (2.86)
                                                    -----------  -----------        --------     -----------  -----------
Net asset value, end of period....................  $     19.29  $     12.83     $     11.83     $     28.34  $     23.77
                                                    -----------  -----------        --------     -----------  -----------
                                                    -----------  -----------        --------     -----------  -----------
Total investment return (c).......................        54.2%         8.7%            3.5%(a)       29.00%       23.82%
                                                    -----------  -----------        --------     -----------  -----------
                                                    -----------  -----------        --------     -----------  -----------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)..............  $   552,897  $   145,544     $    49,903     $     6,819  $     1,152
Ratio of net investment income (loss) to average
 net assets:
  With expense reduction..........................        0.19%        0.66%            3.2%(b)      (0.50)%      (0.21)%
  Without expense reduction.......................          N/A          N/A             N/A         (0.53)%      (0.25)%
Ratio of expenses to average net assets:
  With expense reduction..........................        2.01%        2.39%            2.5%(b)        1.27%        1.30%
  Without expense reduction.......................          N/A          N/A             N/A           1.30%        1.34%
Portfolio turnover rate +++.......................          23%          34%            183%(b)         149%         157%
Average commission rate per share paid on
 portfolio transactions +++.......................          N/A          N/A             N/A     $    0.0490  $    0.0548
 
<CAPTION>
 
                                                     JUNE 1, 1995
                                                          TO
                                                    OCT. 31, 1995
                                                    --------------
<S>                                                 <C>
Per Share Operating Performance:
Net asset value, beginning of period..............   $      18.66
                                                    --------------
Income from investment operations:
  Net investment income (loss)....................          (0.02)
  Net realized and unrealized gain (loss) on
   investments....................................           3.24
                                                    --------------
  Net increase (decrease) from investment
   operations.....................................           3.22
                                                    --------------
Distributions:
  From net investment income......................             --
  From net realized gain on investments...........             --
  In excess of net realized gain on investments...             --
                                                    --------------
    Total distributions...........................             --
                                                    --------------
Net asset value, end of period....................   $      21.88
                                                    --------------
                                                    --------------
Total investment return (c).......................         17.10%(a)
                                                    --------------
                                                    --------------
Ratios and supplemental data:
Net assets, end of period (in 000's)..............   $        539
Ratio of net investment income (loss) to average
 net assets:
  With expense reduction..........................        (0.22)%(b)
  Without expense reduction.......................        (0.28)%(b)
Ratio of expenses to average net assets:
  With expense reduction..........................          1.35%(b)
  Without expense reduction.......................          1.41%(b)
Portfolio turnover rate +++.......................            99%
Average commission rate per share paid on
 portfolio transactions +++.......................            N/A
</TABLE>
 
- ------------------
+   All capital shares issued and outstanding as of March 31, 1993, were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
*   These selected per share data were calculated based upon average shares
    outstanding during the period.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       AVERAGE MONTHLY
                                                                                          NUMBER OF
                                                                    AVERAGE MONTHLY      REGISTRANT'S      AVERAGE AMOUNT
                                                  AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES           OF DEBT PER
                                                  OUTSTANDING AT      OUTSTANDING        OUTSTANDING        SHARE DURING
YEAR ENDED                                         END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD      THE PERIOD
- ------------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                               <C>              <C>                <C>                 <C>
October 31, 1997................................        --             $ 323,288           24,106,677         $  0.0134
</TABLE>
    
 
                               Prospectus Page 9
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                 GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
 
   
<TABLE>
<CAPTION>
                                                      CLASS A                                ADVISOR CLASS+
                                     -----------------------------------------  ----------------------------------------
                                                               DEC. 30, 1994
                                      YEAR ENDED OCT. 31,    (COMMENCEMENT OF     YEAR ENDED OCT. 31,     JUNE 1, 1995
                                     ----------------------   OPERATIONS) TO    -----------------------        TO
                                       1997*       1996*      OCT. 31, 1995*      1997*        1996*     OCT. 31, 1995*
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
<S>                                  <C>         <C>         <C>                <C>         <C>          <C>
Per Share Operating Performance:
Net asset value, beginning of
 period............................  $    20.98  $    14.59    $       11.43    $    21.15  $     14.64   $       11.84
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
Income from investment operations:
  Net investment income (loss).....       (0.15)      (0.22)            0.02**       (0.04)       (0.13)           0.04**
  Net realized and unrealized gain
   on investments..................        2.27        7.13             3.14          2.30         7.16            2.76
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
  Net increase from investment
   operations......................        2.12        6.91             3.16          2.26         7.03            2.80
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
Distributions:
  From net realized gain on
   investments.....................       (0.91)      (0.52)              --         (0.91)       (0.52)             --
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
    Total distributions............       (0.91)      (0.52)              --         (0.91)       (0.52)             --
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
Net asset value, end of period.....  $    22.19  $    20.98    $       14.59    $    22.50  $     21.15   $       14.64
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
                                     ----------  ----------  -----------------  ----------  -----------  ---------------
Total investment return (c)........      10.55%      48.82%           27.65%(b)     11.15%       49.50%          23.65%(b)
 
Ratios and supplemental data:
Net assets, end of period (in
 000's)............................  $   62,637  $   76,900    $       4,082    $    6,047  $     7,446   $         164
Ratio of net investment income
 (loss) to average net assets:
  With expense reductions and
   reimbursement by the
   Sub-adviser.....................     (0.72)%     (1.14)%            0.20%(a)    (0.22)%      (0.64)%           0.70%(a)
  Without expense reductions and
   reimbursement by the
   Sub-adviser.....................     (0.87)%     (1.24)%         (11.11)%(a)    (0.37)%      (0.74)%        (10.61)%(a)
Ratio of expenses to average net
 assets:
  With expense reductions and
   reimbursement by the
   Sub-adviser.....................       1.84%       2.24%            2.32%(a)      1.34%        1.74%           1.82%(a)
  Without expense reductions and
   reimbursement by the
   Sub-adviser.....................       1.99%       2.34%           13.63%(a)      1.49%        1.84%          13.13%(a)
Portfolio turnover rate ++.........        392%        169%             240%(a)       392%         169%            240%(a)
Average commission rate per share
 paid on portfolio transactions
 ++................................  $   0.0319  $   0.0545              N/A    $   0.0319  $    0.0545             N/A
</TABLE>
    
 
- ------------------
+   Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued. The Fund invests only in the Consumer Products and Services
    Portfolio and does not engage in securities transactions. Accordingly, the
    portfolio turnover and average commission rates presented are for the
    Consumer Products and Services Portfolio.
 
*   These selected per share data were calculated based upon average shares
    outstanding during the period.
 
   
**  Before reimbursement by the Sub-adviser, net investment income per share
    would have been reduced by $1.12 and $0.61, for Class A and Advisor Class,
    respectively.
    
 
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                            ------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       AVERAGE MONTHLY
                                                                                          NUMBER OF
                                                                    AVERAGE MONTHLY      REGISTRANT'S      AVERAGE AMOUNT
                                                  AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES           OF DEBT PER
                                                  OUTSTANDING AT      OUTSTANDING        OUTSTANDING        SHARE DURING
YEAR ENDED                                         END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD      THE PERIOD
- ------------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                               <C>              <C>                <C>                 <C>
October 31, 1997................................        --             $ 103,293           8,302,173          $  0.0124
</TABLE>
    
 
                               Prospectus Page 10
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                       GT GLOBAL TELECOMMUNICATIONS FUND
<TABLE>
<CAPTION>
                                                                                       CLASS A+
                                                              ----------------------------------------------------------
                                                                                 YEAR ENDED OCT. 31,
                                                              ----------------------------------------------------------
                                                               1997(C)     1996(C)       1995      1994(C)       1993
                                                              ----------  ----------  ----------  ----------  ----------
<S>                                                           <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period........................  $    16.69  $    16.42  $    17.80  $    16.92  $    11.16
                                                              ----------  ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income (loss)..............................       (0.17)      (0.13)      (0.09)      (0.01)       0.08
  Net realized and unrealized gain (loss) on investments....        2.93        1.22       (0.43)       1.17        5.83
                                                              ----------  ----------  ----------  ----------  ----------
  Net increase (decrease) from investment operations........        2.76        1.09       (0.52)       1.16        5.91
                                                              ----------  ----------  ----------  ----------  ----------
Distributions:
  From net investment income................................          --          --          --       (0.01)      (0.15)
  From net realized gain on investments.....................       (1.41)      (0.82)      (0.86)      (0.27)         --
                                                              ----------  ----------  ----------  ----------  ----------
    Total distributions.....................................       (1.41)      (0.82)      (0.86)      (0.28)      (0.15)
                                                              ----------  ----------  ----------  ----------  ----------
Net asset value, end of period..............................  $    18.04  $    16.69  $    16.42  $    17.80  $    16.92
                                                              ----------  ----------  ----------  ----------  ----------
                                                              ----------  ----------  ----------  ----------  ----------
Total investment return (d).................................      17.70%       7.00%     (2.88)%       7.02%       53.6%
                                                              ----------  ----------  ----------  ----------  ----------
                                                              ----------  ----------  ----------  ----------  ----------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)........................  $  910,801  $1,204,428  $1,353,722  $1,644,402  $1,223,340
Ratio of net investment income to average net assets:
  With expense reductions...................................     (1.01)%     (0.84)%     (0.49)%     (0.02)%        0.8%
  Without expense reductions................................     (1.06)%     (0.89)%     (0.55)%         N/A         N/A
Ratio of expenses to average net assets:
  With expense reductions...................................       1.79%       1.74%       1.77%        1.8%        2.0%
  Without expense reductions................................       1.84%       1.79%       1.83%         N/A         N/A
Portfolio turnover rate ++..................................         35%         37%         62%         57%         41%
Average commission rate per share paid on portfolio
 transactions ++............................................  $   0.0085  $   0.0165         N/A         N/A         N/A
 
<CAPTION>
 
                                                               JAN. 27, 1992
                                                              (COMMENCEMENT OF
                                                               OPERATIONS) TO
                                                               OCT. 31, 1992
                                                              ----------------
<S>                                                           <C>
Per Share Operating Performance:
Net asset value, beginning of period........................     $    11.43
                                                              ----------------
Income from investment operations:
  Net investment income (loss)..............................           0.14*
  Net realized and unrealized gain (loss) on investments....          (0.41)
                                                              ----------------
  Net increase (decrease) from investment operations........          (0.27)
                                                              ----------------
Distributions:
  From net investment income................................             --
  From net realized gain on investments.....................             --
                                                              ----------------
    Total distributions.....................................             --
                                                              ----------------
Net asset value, end of period..............................     $    11.16
                                                              ----------------
                                                              ----------------
Total investment return (d).................................         (2.4)%(a)
                                                              ----------------
                                                              ----------------
Ratios and supplemental data:
Net assets, end of period (in 000's)........................     $  442,862
Ratio of net investment income to average net assets:
  With expense reductions...................................           2.1%*(b)
  Without expense reductions................................            N/A
Ratio of expenses to average net assets:
  With expense reductions...................................           2.3%*(b)
  Without expense reductions................................            N/A
Portfolio turnover rate ++..................................             4%(b)
Average commission rate per share paid on portfolio
 transactions ++............................................            N/A
</TABLE>
 
- ------------------
+   All capital shares issued and outstanding as of March 31, 1993, were
    reclassified as Class A shares.
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of less
    than $0.01. Without such reimbursement, the annualized expense ratio would
    have been 2.30% and the annualized ratio of net investment income to average
    net assets would have been 2.04%.
    
 
(a) Not annualized.
 
(b) Annualized.
 
(c) These per share operating performance data were calculated based upon
    average shares outstanding during the year.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                               Prospectus Page 11
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                       GT GLOBAL TELECOMMUNICATIONS FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                                                 ADVISOR CLASS**
                                                    -----------------------------------------
                                                       YEAR ENDED OCT. 31,      JUNE 1, 1995
                                                    -------------------------        TO
                                                      1997(C)       1996(C)     OCT. 31, 1995
                                                    -----------   -----------   -------------
<S>                                                 <C>           <C>           <C>
Per Share Operating Performance:
Net asset value, beginning of period..............   $    16.81    $    16.46     $  15.24
                                                    -----------   -----------   -------------
Income from investment operations:
  Net investment income (loss)....................        (0.09)        (0.05)          --
  Net realized and unrealized gain (loss) on
   investments....................................         2.97          1.22         1.22
                                                    -----------   -----------   -------------
  Net increase (decrease) from investment
   operations.....................................         2.88          1.17         1.22
                                                    -----------   -----------   -------------
Distributions:
  From net investment income......................           --            --           --
  From net realized gain on investments...........        (1.41)        (0.82)          --
                                                    -----------   -----------   -------------
    Total distributions...........................        (1.41)        (0.82)          --
                                                    -----------   -----------   -------------
Net asset value, end of period....................   $    18.28    $    16.81     $  16.46
                                                    -----------   -----------   -------------
                                                    -----------   -----------   -------------
Total investment return (d).......................       18.33%         7.49%        7.94%(a)
 
Ratios and supplemental data:
Net assets, end of period (in 000's)..............   $    4,783    $      945     $    681
Ratio of net investment income to average net
 assets:
  With expense reductions.........................      (0.51)%       (0.34)%        0.01%(b)
  Without expense reductions......................      (0.56)%       (0.39)%        0.07%(b)
Ratio of expenses to average net assets:
  With expense reductions.........................        1.29%         1.24%        1.27%(b)
  Without expense reductions......................        1.34%         1.29%        1.33%(b)
Portfolio turnover rate ++........................          35%           37%          62%
Average commission rate per share paid on
 portfolio transactions ++........................   $   0.0085    $   0.0165          N/A
</TABLE>
 
- --------------
+   All capital shares issued and outstanding as of March 31, 1993, were
    reclassified as Class A shares.
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(b) Annualized.
 
(c) These per share operating performance data were calculated based upon
    average shares outstanding during the year.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       AVERAGE MONTHLY
                                                                                          NUMBER OF
                                                                    AVERAGE MONTHLY      REGISTRANT'S      AVERAGE AMOUNT
                                                  AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES           OF DEBT PER
                                                  OUTSTANDING AT      OUTSTANDING        OUTSTANDING        SHARE DURING
YEAR ENDED                                         END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD      THE PERIOD
- ------------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                               <C>              <C>                <C>                 <C>
October 31, 1997................................        --            $ 8,225,969         113,614,232         $  0.0724
</TABLE>
    
 
                               Prospectus Page 12
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                       GT GLOBAL FINANCIAL SERVICES FUND
   
<TABLE>
<CAPTION>
                                                                CLASS A
                                          ----------------------------------------------------
                                                                                     MAY 31,
                                                                                       1994
                                                                                    (COMMENCEMENT      ADVISOR CLASS+
                                                                                        OF       ------------------------
                                                                                    OPERATIONS)
                                                    YEAR ENDED OCT. 31,             TO             YEAR ENDED OCT. 31,
                                          ---------------------------------------    OCT. 31,    ------------------------
                                            1997(D)       1996(D)       1995(D)        1994        1997(D)      1996(D)
                                          -----------   -----------   -----------   ----------   -----------   ----------
<S>                                       <C>           <C>           <C>           <C>          <C>           <C>
Per Share Operating Performance:
Net asset value, beginning of period....   $    14.20    $    11.92    $    11.62    $  11.43     $    14.26    $  11.95
                                          -----------   -----------   -----------   ----------   -----------   ----------
Income from investment operations:
  Net investment income (loss)..........         0.04          0.05*         0.17*       0.02*          0.12        0.12*
  Net realized and unrealized gain
   (loss) on investments................         3.97          2.36          0.13        0.17           4.01        2.36
                                          -----------   -----------   -----------   ----------   -----------   ----------
  Net increase (decrease) from
   investment operations................         4.01          2.41          0.30        0.19           4.13        2.48
                                          -----------   -----------   -----------   ----------   -----------   ----------
Distributions:
  From net investment income............           --         (0.12)           --          --             --       (0.16)
  From net realized gain on
   investments..........................        (0.99)        (0.01)           --          --          (0.99)      (0.01)
                                          -----------   -----------   -----------   ----------   -----------   ----------
    Total distributions.................        (0.99)        (0.13)           --          --          (0.99)      (0.17)
                                          -----------   -----------   -----------   ----------   -----------   ----------
Net asset value, end of period..........   $    17.22    $    14.20    $    11.92    $  11.62     $    17.40    $  14.26
                                          -----------   -----------   -----------   ----------   -----------   ----------
                                          -----------   -----------   -----------   ----------   -----------   ----------
Total investment return (b).............       29.91%        20.21%         2.58%       1.66%(c)      30.52%      20.87%
                                          -----------   -----------   -----------   ----------   -----------   ----------
                                          -----------   -----------   -----------   ----------   -----------   ----------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)....   $   29,639    $    7,302    $    5,687    $  3,175     $    3,738    $     72
Ratio of net investment income (loss) to
 average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...        0.23%         0.41%         1.46%       0.66%(a)       0.73%       0.91%
  Without expense reductions and
   reimbursement from the Sub-adviser...        0.16%       (0.66)%       (5.34)%     (7.26)%(a)       0.66%(a)   (0.16)%
Ratio of expenses to average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...        2.29%         2.32%         2.34%       2.40%(a)       1.79%       1.82%
  Without expense reductions and
   reimbursement from the Sub-adviser...        2.36%         3.39%         9.14%      10.32%(a)       1.86%       2.89%
Portfolio turnover rate ++..............          91%          103%          170%         53%(a)         91%        103%
Average commission rate per share paid
 on portfolio transactions ++...........   $   0.0014    $   0.0080           N/A         N/A     $   0.0014    $ 0.0080
 
<CAPTION>
 
                                          JUNE 1, 1995
                                               TO
                                            OCT. 31,
                                            1995(D)
                                          ------------
<S>                                       <C>
Per Share Operating Performance:
Net asset value, beginning of period....    $ 11.09
                                          ------------
Income from investment operations:
  Net investment income (loss)..........       0.09*
  Net realized and unrealized gain
   (loss) on investments................       0.77
                                          ------------
  Net increase (decrease) from
   investment operations................       0.86
                                          ------------
Distributions:
  From net investment income............         --
  From net realized gain on
   investments..........................         --
                                          ------------
    Total distributions.................         --
                                          ------------
Net asset value, end of period..........    $ 11.95
                                          ------------
                                          ------------
Total investment return (b).............      7.75%(c)
                                          ------------
                                          ------------
Ratios and supplemental data:
Net assets, end of period (in 000's)....    $    31
Ratio of net investment income (loss) to
 average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...      1.96%(a)
  Without expense reductions and
   reimbursement from the Sub-adviser...    (4.84)%(a)
Ratio of expenses to average net assets:
  With expense reductions and
   reimbursement from the Sub-adviser...      1.84%(a)
  Without expense reductions and
   reimbursement from the Sub-adviser...      8.64%(a)
Portfolio turnover rate ++..............       170%
Average commission rate per share paid
 on portfolio transactions ++...........        N/A
</TABLE>
    
 
- ------------------
(a) Annualized.
 
(b) Total investment return does not include sales charges.
 
(c) Not annualized.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
   
*   Before reimbursement by the Sub-adviser, the net investment income per share
    would have been reduced by $0.13 for Class A and Advisor Class,
    respectively, for the year ended Oct. 31, 1996, $0.59 and $0.30 for Class A
    and Advisor Class, respectively, for the period ended Oct. 31, 1995, and
    $0.23 for Class A from May 31, 1994 to Oct. 31, 1994.
    
 
+   Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the class of shares
    issued. The Fund invests only in the Financial Services Portfolio and does
    not engage in securities transactions. Accordingly, the portfolio turnover
    and average commission rates presented are for the Financial Services
    Portfolio.
 
N/A Not Applicable.
 
                               Prospectus Page 13
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         GT GLOBAL INFRASTRUCTURE FUND
   
<TABLE>
<CAPTION>
                                                            CLASS A
                                          --------------------------------------------
                                                                       MAY 31, 1994
                                             YEAR ENDED OCT. 31,       (COMMENCEMENT
                                          -------------------------  OF OPERATIONS) TO
                                          1997(D)  1996(D)   1995      OCT. 31, 1994
                                          -------  -------  -------  -----------------
<S>                                       <C>      <C>      <C>      <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $ 14.42  $ 12.11  $ 12.47       $ 11.43
                                          -------  -------  -------      --------
Income from investment operations:
  Net investment income (loss)..........    (0.01)   (0.03)   (0.03)*         0.01*
  Net realized and unrealized gain
   (loss) on investments................     1.32     2.34    (0.33)         1.03
                                          -------  -------  -------      --------
  Net increase (decrease) from
   investment operations................     1.31     2.31    (0.36)         1.04
                                          -------  -------  -------      --------
Distributions:
  From net realized gain on
   investments..........................    (0.72)      --       --            --
    Total distributions.................    (0.72)      --       --            --
Net asset value, end of period..........  $ 15.01  $ 14.42  $ 12.11       $ 12.47
                                          -------  -------  -------      --------
                                          -------  -------  -------      --------
Total investment return (c).............    9.38%   19.08%  (2.89)%         9.10%(b)
                                          -------  -------  -------      --------
                                          -------  -------  -------      --------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $38,281  $38,397  $36,241       $23,615
Ratio of net investment income (loss) to
 average net assets:
  With expense reductions and
   reimbursement by the Sub-adviser.....  (0.09)%  (0.19)%  (0.32)%         0.41%(a)
  Without expense reductions and
   reimbursement by the Sub-adviser.....  (0.17)%  (0.30)%  (0.58)%       (0.47)%(a)
Ratio of expenses to average net assets:
  With expense reductions and
   reimbursement by the Sub-adviser.....    2.00%    2.14%    2.36%         2.40%(a)
  Without expense reductions and
   reimbursement by the Sub-adviser.....    2.08%    2.25%    2.62%         3.28%(a)
Portfolio turnover rate ++..............      41%      41%      45%           18%
Average commission rate per share paid
 on portfolio transactions ++...........  $0.0046  $0.0109      N/A           N/A
 
<CAPTION>
                                                  ADVISOR CLASS+
                                          -------------------------------
 
                                             YEAR ENDED
                                              OCT. 31,      JUNE 1, 1995
                                          ----------------       TO
                                          1997(D)  1996(D)  OCT. 31, 1995
                                          -------  -------  -------------
<S>                                       <C>      <C>      <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $ 14.52  $ 12.14     $ 12.00
                                          -------  -------  -------------
Income from investment operations:
  Net investment income (loss)..........     0.05     0.04        0.02*
  Net realized and unrealized gain
   (loss) on investments................     1.38     2.34        0.12
                                          -------  -------  -------------
  Net increase (decrease) from
   investment operations................     1.43     2.38        0.14
                                          -------  -------  -------------
Distributions:
  From net realized gain on
   investments..........................    (0.72)      --          --
    Total distributions.................    (0.72)      --          --
Net asset value, end of period..........  $ 15.23  $ 14.52     $ 12.14
                                          -------  -------  -------------
                                          -------  -------  -------------
Total investment return (c).............   10.10%   19.60%       1.17%(b)
                                          -------  -------  -------------
                                          -------  -------  -------------
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 2,539  $   344     $   216
Ratio of net investment income (loss) to
 average net assets:
  With expense reductions and
   reimbursement by the Sub-adviser.....    0.41%    0.31%       0.18%(a)
  Without expense reductions and
   reimbursement by the Sub-adviser.....    0.33%    0.20%     (0.08)%(a)
Ratio of expenses to average net assets:
  With expense reductions and
   reimbursement by the Sub-adviser.....    1.50%    1.64%       1.86%(a)
  Without expense reductions and
   reimbursement by the Sub-adviser.....    1.58%    1.75%       2.12%(a)
Portfolio turnover rate ++..............      41%      41%         45%
Average commission rate per share paid
 on portfolio transactions ++...........  $0.0046  $0.0109         N/A
</TABLE>
    
 
- ------------------
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
   
*   Before reimbursement by the Sub-adviser, the net investment income per share
    would have been reduced by $0.03 for Class A shares and $0.02 for Advisor
    Class for the year ended Oct. 31, 1995. Net investment income per share
    would have been reduced by $0.02 for Class A from May 31, 1994 to Oct. 31,
    1994.
    
 
+   Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the class of shares
    issued. The Fund invests only in the Infrastructure Portfolio and does not
    engage in securities transactions. Accordingly, the portfolio turnover and
    average commission rates presented are for the Infrastructure Portfolio.
 
N/A Not Applicable.
 
                               Prospectus Page 14
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                        GT GLOBAL NATURAL RESOURCES FUND
   
<TABLE>
<CAPTION>
                                                                                           CLASS A
                                                                   --------------------------------------------------------
                                                                                                            MAY 31, 1994
                                                                            YEAR ENDED OCT. 31,             (COMMENCEMENT
                                                                   -------------------------------------  OF OPERATIONS) TO
                                                                     1997(D)      1996(D)       1995        OCT. 31, 1994
                                                                   -----------  -----------  -----------  -----------------
<S>                                                                <C>          <C>          <C>          <C>
Per Share Operating Performance:
Net asset value, beginning of period.............................  $     17.43  $     11.44  $     12.41     $     11.43
                                                                   -----------  -----------  -----------        --------
Income from investment operations:
  Net investment income (loss)...................................        (0.25)       (0.24)        0.04*           0.06*
  Net realized and unrealized gain (loss) on investments.........         4.08         6.28        (0.98)           0.92
                                                                   -----------  -----------  -----------        --------
Net increase (decrease) from investment operations...............         3.83         6.04        (0.94)           0.98
                                                                   -----------  -----------  -----------        --------
Distributions:
  From net investment income.....................................           --        (0.04)       (0.03)             --
  From net realized gain on investments..........................        (0.61)       (0.01)          --              --
                                                                   -----------  -----------  -----------        --------
    Total distributions..........................................        (0.61)       (0.05)       (0.03)             --
                                                                   -----------  -----------  -----------        --------
                                                                   -----------  -----------  -----------        --------
Net asset value, end of period...................................  $     20.65  $     17.43  $     11.44     $     12.41
                                                                   -----------  -----------  -----------        --------
                                                                   -----------  -----------  -----------        --------
Total investment return (c)......................................       22.64%       53.04%      (7.58)%           8.57%(b)
                                                                   -----------  -----------  -----------        --------
                                                                   -----------  -----------  -----------        --------
 
Ratios and supplemental data:
Net assets, end of period (in 000's).............................  $    69,975  $    48,729  $    12,598     $    14,797
Ratio of net investment income (loss) to average net assets:
  With expense reductions and reimbursement from the
   Sub-adviser...................................................      (1.41)%      (1.55)%        0.41%           2.63%(a)
  Without expense reductions and reimbursement from the
   Sub-adviser...................................................      (1.51)%      (1.65)%      (0.69)%           0.65%(a)
Ratio of expenses to average net assets:
  With expense reductions and reimbursement from the
   Sub-adviser...................................................        2.03%        2.20%        2.37%           2.40%(a)
  Without expense reductions and reimbursement from the
   Sub-adviser...................................................        2.13%        2.30%        3.47%           4.38%(a)
Portfolio turnover rate ++.......................................         321%          94%          87%            137%
Average commission rate per share paid on portfolio transactions
 ++..............................................................  $    0.0112  $    0.0243          N/A             N/A
 
<CAPTION>
                                                                               ADVISOR CLASS+
                                                                   ---------------------------------------
 
                                                                     YEAR ENDED OCT. 31,     JUNE 1, 1995
                                                                   -----------------------        TO
                                                                    1997(D)      1996(D)    OCT. 31, 1995
                                                                   ----------  -----------  --------------
<S>                                                                <C>         <C>          <C>
Per Share Operating Performance:
Net asset value, beginning of period.............................  $    17.47  $     11.47   $      11.45
                                                                   ----------  -----------  --------------
Income from investment operations:
  Net investment income (loss)...................................       (0.14)       (0.17)          0.11*
  Net realized and unrealized gain (loss) on investments.........        4.08         6.28          (0.09)
                                                                   ----------  -----------  --------------
Net increase (decrease) from investment operations...............        3.94         6.11           0.02
                                                                   ----------  -----------  --------------
Distributions:
  From net investment income.....................................          --        (0.10)            --
  From net realized gain on investments..........................       (0.61)       (0.01)            --
                                                                   ----------  -----------  --------------
    Total distributions..........................................       (0.61)       (0.11)            --
                                                                   ----------  -----------  --------------
                                                                   ----------  -----------  --------------
Net asset value, end of period...................................  $    20.80  $     17.47   $      11.47
                                                                   ----------  -----------  --------------
                                                                   ----------  -----------  --------------
Total investment return (c)......................................      23.23%       53.76%          0.17%(b)
                                                                   ----------  -----------  --------------
                                                                   ----------  -----------  --------------
Ratios and supplemental data:
Net assets, end of period (in 000's).............................  $   14,886  $     5,502   $         95
Ratio of net investment income (loss) to average net assets:
  With expense reductions and reimbursement from the
   Sub-adviser...................................................     (0.91)%      (1.05)%          0.91%(a)
  Without expense reductions and reimbursement from the
   Sub-adviser...................................................     (1.01)%      (1.15)%        (0.19)%(a)
Ratio of expenses to average net assets:
  With expense reductions and reimbursement from the
   Sub-adviser...................................................       1.53%        1.70%          1.87%(a)
  Without expense reductions and reimbursement from the
   Sub-adviser...................................................       1.63%        1.80%          2.97%(a)
Portfolio turnover rate ++.......................................        321%          94%            87%
Average commission rate per share paid on portfolio transactions
 ++..............................................................  $   0.0112  $    0.0243            N/A
</TABLE>
    
 
- ------------------
(a) Annualized.
 
(b) Not annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
   
*   Before reimbursement by the Sub-adviser, the net investment income per share
    would have been reduced by $0.14 and $0.12 for Class A and Advisor Class,
    respectively, for the period ended Oct. 31, 1995, and $0.04 for Class A from
    May 31, 1994 to Oct. 31, 1994.
    
 
+   Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++  Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing among the classes of shares
    issued. The Fund invests only in the Natural Resources Portfolio and does
    not engage in securities transactions. Accordingly, the portfolio turnover
    and average commission rates presented are for the Natural Resources
    Portfolio.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                       AVERAGE MONTHLY
                                                                                          NUMBER OF
                                                                    AVERAGE MONTHLY      REGISTRANT'S      AVERAGE AMOUNT
                                                  AMOUNT OF DEBT    AMOUNT OF DEBT          SHARES           OF DEBT PER
                                                  OUTSTANDING AT      OUTSTANDING        OUTSTANDING        SHARE DURING
YEAR ENDED                                         END OF PERIOD   DURING THE PERIOD  DURING THE PERIOD      THE PERIOD
- ------------------------------------------------  ---------------  -----------------  ------------------  -----------------
<S>                                               <C>              <C>                <C>                 <C>
October 31, 1997................................    $ 4,670,000        $ 999,474           7,868,612          $  0.1270
</TABLE>
    
 
                               Prospectus Page 15
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
FINANCIAL SERVICES FUND
The Financial Services Fund's investment objective is long-term capital growth.
It seeks its objective by investing all of its investable assets in the
Financial Services Portfolio, which, in turn, invests primarily in equity
securities of companies throughout the world that operate in the financial
services industries. The Financial Services Portfolio's investment objective is
identical to that of the Financial Services Fund.
 
   
At least 65% of the Financial Services Portfolio's total assets normally will be
invested in common and preferred stocks and warrants to acquire such securities
issued by financial services companies. A "financial services" company is an
entity in which (i) at least 50% of either the revenues or earnings was derived
from financial services activities, or (ii) at least 50% of the assets was
devoted to such activities, based on the company's most recent fiscal year. The
remainder of the Financial Services Portfolio's assets may be invested in debt
securities issued by financial services companies and/or equity and debt
securities of companies outside of the financial services industries, which, in
the opinion of the Sub-adviser, stand to benefit from developments in the
financial services industries.
    
 
GLOBAL FINANCIAL SERVICES INDUSTRIES INVESTMENT. Examples of financial services
companies include commercial banks and savings institutions and loan
associations and their holding companies; consumer and industrial finance
companies; diversified financial services companies; investment banks; insurance
brokerages; securities brokerage and investment advisory companies; real
estate-related companies; leasing companies; and a variety of firms in all
segments of the insurance field such as multi-line, property and casualty and
life insurance and insurance holding companies.
 
   
The Sub-adviser believes an accelerating rate of global economic interdependence
will lead to significant growth in the demand for financial services. In
addition, in the Sub-adviser's view, as the industries evolve, opportunities
will emerge for those companies positioned for the future. Thus, the Sub-adviser
expects that banking and related financial institution consolidation in the
developed countries, increased demand for retail borrowing in developing
countries, a growing need for international trade-based financing, a rising
demand for sophisticated risk management, the proliferating number of liquid
securities markets around the world, and larger concentrations of investable
assets should lead to growth in financial service companies that are positioned
for the future.
    
 
INFRASTRUCTURE FUND
The Infrastructure Fund's investment objective is long-term capital growth. It
seeks its objective by investing all of its investable assets in the
Infrastructure Portfolio, which, in turn, invests primarily in equity securities
of companies throughout the world that design, develop or provide products and
services significant to a country's infrastructure. The Infrastructure
Portfolio's investment objective is identical to that of the Infrastructure
Fund.
 
   
At least 65% of the Infrastructure Portfolio's total assets normally will be
invested in common and preferred stocks and warrants to acquire such securities
issued by infrastructure companies. An "infrastructure" company is an entity in
which (i) at least 50% of either the revenues or earnings was derived from
infrastructure activities, or (ii) at least 50% of the assets was devoted to
such activities, based on the company's most recent fiscal year. The remainder
of the Infrastructure Portfolio's assets may be invested in debt securities
issued by infrastructure companies and/or equity and debt securities of
companies outside of the infrastructure industries, which, in the opinion of the
Sub-adviser, stand to benefit from developments in the infrastructure
industries.
    
 
GLOBAL INFRASTRUCTURE INDUSTRIES INVESTMENT. Examples of infrastructure
companies include those engaged in designing, developing or providing the
following products and services: electricity production; oil, gas, and coal
exploration, development, production and distribution; water supply, including
water treatment facilities; nuclear power and other alternative energy sources;
transportation, including the construction or operation of transportation
systems; steel, concrete, or similar types of products; communications equipment
and services (including equipment and services for both data and voice
 
                               Prospectus Page 16
<PAGE>
                             GT GLOBAL THEME FUNDS
   
transmission); mobile communications and cellular radio/paging; emerging
technologies combining telephone, television and/or computer systems; and other
products and services, which, in the Sub-adviser's judgment, constitute services
significant to the development of a country's infrastructure.
    
 
   
The Sub-adviser believes that a country's infrastructure is one key to the
long-term success of that country's economy. The Sub-adviser believes that
adequate energy, transportation, water, and communications systems are essential
elements for long-term economic growth. The Sub-adviser believes that many
developing nations, especially in Asia and Latin America, plan to make
significant expenditures to the development of their infrastructure in the
coming years, which is expected to facilitate increased levels of services and
manufactured goods.
    
 
   
In the developed countries of North America, Europe, Japan and the Pacific Rim,
the Sub-adviser expects that the replacement and upgrade of transportation and
communications systems should stimulate growth in the infrastructure industries
of those countries. In addition, in the Sub-adviser's view, deregulation of
telecommunications and electric and gas utilities in many countries is promoting
significant changes in these industries.
    
 
   
The Sub-adviser believes that strong economic growth in developing countries and
infrastructure replacement, upgrade, and deregulation in more developed
countries provide an environment for favorable investment opportunities in
infrastructure companies worldwide. In addition, the long-term growth rates of
certain foreign countries' economies may be substantially higher than the
long-term growth rate of the U.S. economy. An integral aspect of certain foreign
countries' economies may be the development or improvement of their
infrastructure.
    
 
NATURAL RESOURCES FUND
The Natural Resources Fund's investment objective is long-term capital growth.
It seeks its objective by investing all of its investable assets in the Natural
Resources Portfolio, which, in turn, invests primarily in equity securities of
companies throughout the world that own, explore or develop natural resources
and other basic commodities or supply goods and services to such companies. The
Natural Resources Portfolio's investment objective is identical to that of the
Natural Resources Fund.
 
   
At least 65% of the Natural Resources Portfolio's total assets will normally be
invested in common stock and preferred stock, and warrants to acquire such
securities, issued by natural resource companies. A "natural resource" company
is an entity in which (i) at least 50% of either the revenues or earnings was
derived from natural resource activities, or (ii) at least 50% of the assets was
devoted to such activities, based upon the company's most recent fiscal year.
The remainder of the Natural Resources Portfolio's assets may be invested in
debt securities issued by natural resource companies and/or equity and debt
securities of companies outside of the natural resource industries, which, in
the opinion of the Sub-adviser, stand to benefit from developments in the
natural resource industries.
    
 
   
GLOBAL NATURAL RESOURCE INDUSTRIES INVESTMENT. Examples of natural resource
companies include those which own, explore or develop: energy sources (such as
oil, gas and coal); ferrous and non-ferrous metals (such as iron, aluminum,
copper, nickel, zinc and lead), strategic metals (such as uranium and titanium)
and precious metals (such as gold, silver and platinum); chemicals; forest
products (such as timber, coated and uncoated tree sheet, pulp and newsprint);
other basic commodities (such as foodstuffs); refined products (such as
chemicals and steel) and service companies that sell to these producers and
refiners; and other products and services, which, in the Sub-adviser's opinion
are significant to the ownership and development of natural resources and other
basic commodities.
    
 
   
The Sub-adviser believes that the liberalization of formerly socialist economies
will bring about dramatic changes in both the supply and demand for natural
resources. In addition, rapid industrialization in developing countries of Asia
and Latin America is generating new demands for industrial materials that are
affecting world commodities markets. The Sub-adviser believes these changes are
likely to create investment opportunities that benefit from new sources of
supply and/or from changes in commodities prices.
    
 
   
The Sub-adviser also believes that investments in natural resource industries
offer an opportunity to protect wealth against the capital-eroding effects of
inflation. During periods of accelerating inflation or currency uncertainty,
worldwide investment demand for natural resources, particularly precious metals,
tends to increase, and during periods of disinflation or currency stability, it
tends to decrease. The Sub-adviser believes that rising commodity prices and
increasing worldwide industrial production may favorably affect share
    
 
                               Prospectus Page 17
<PAGE>
                             GT GLOBAL THEME FUNDS
prices of natural resource companies, and investments in such companies can
offer excellent opportunities to offset the effects of inflation.
 
CONSUMER PRODUCTS AND SERVICES FUND
The Consumer Products and Services Fund's investment objective is long-term
capital growth. It seeks its objective by investing all of its investable assets
in the Consumer Products and Services Portfolio, which, in turn, invests
primarily in equity securities of companies throughout the world that
manufacture, market, retail or distribute consumer products and services. The
Consumer Products and Services Portfolio's investment objective is identical to
that of the Consumer Products and Services Fund.
 
   
At least 65% of the Consumer Products and Services Portfolio's total assets
normally will be invested in common and preferred stocks and warrants to acquire
such securities issued by consumer products and services companies. A "consumer
products or services" company is an entity in which (i) at least 50% of either
the revenues or earnings was derived from activities relating to consumer
products or services, or (ii) at least 50% of the assets was devoted to such
activities, based on the company's most recent fiscal year. The remainder of the
Consumer Products and Services Portfolio's assets may be invested in debt
securities issued by consumer products or services companies and/or equity and
debt securities of companies outside the consumer products or services
industries, which, in the opinion of the Sub-adviser, stand to benefit from
developments in such industries.
    
 
GLOBAL CONSUMER PRODUCTS AND SERVICES INDUSTRIES INVESTMENT. Examples of
consumer products and services companies include those that manufacture, market,
retail, or distribute: durable goods (such as homes, household goods,
automobiles, boats, furniture and appliances, and computers); non-durable goods
(such as food and beverages and apparel); media, entertainment, broadcasting,
publishing and sports-related goods and services (such as television and radio
broadcast, motion pictures, wireless communications, gaming casinos, theme
parks, restaurants and lodging); and goods and services to companies in the
foregoing industries (such as advertisers, textile companies and distribution
and shipping companies).
 
   
The Consumer Products and Services Portfolio expects that a significant portion
of its assets may be invested in the securities of U.S. issuers from time to
time, particularly those that market their products globally. However, consumer
products and services companies of a particular nation or region of the world
are often operated and owned in their local markets, close to their customers.
These companies, the Sub-adviser believes, may offer superior opportunities for
capital growth as compared to their larger, multinational counterparts. Certain
global markets may be more attractive than others from time to time; companies
dependent on U.S. markets, for example, may be outperformed by companies not
dependent on U.S. markets.
    
 
   
The Sub-adviser also believes that the demand for consumer products and services
worldwide will increase along with rising disposable incomes in both developed
and developing nations. Emerging economies, such as those in China, Southeast
Asia, Eastern Europe and Latin America, offer opportunities for the growth and
expansion of consumer markets. These regions currently comprise a growing source
of inexpensive consumer products for export and a growing source of demand for
consumer products and services as the disposable incomes of their populations
increase. In the Sub-adviser's view, these changes are likely to create
investment opportunities in companies, both local and multinational, that are
able to employ innovative manufacturing, marketing, retailing and distribution
methods to open new markets and/or expand existing markets.
    
 
HEALTH CARE FUND
The Health Care Fund's investment objective is long-term capital appreciation.
It seeks its objective by investing primarily in equity securities of health
care companies throughout the world.
 
   
At least 65% of the Health Care Fund's total assets normally will be invested in
common and preferred stocks, and warrants to acquire such securities, issued by
health care companies. A "health care" company is an entity in which (i) at
least 50% of either the revenues or earnings was derived from health care
activities, or (ii) at least 50% of the assets was devoted to such activities,
based on the company's most recent fiscal year. The remainder of the Health Care
Fund's assets may be invested in debt securities issued by health care companies
and/or equity and debt securities of companies outside of the health care
industry, which, in the opinion of the Sub-adviser, stand to benefit from
developments in the health care industries.
    
 
GLOBAL HEALTH CARE INDUSTRIES INVESTMENT. Examples of health care companies
include those that are substantially engaged in the design, manufacture
 
                               Prospectus Page 18
<PAGE>
                             GT GLOBAL THEME FUNDS
or sale of products or services used for or in connection with health care or
medicine. Such firms may include pharmaceutical companies; firms that design,
manufacture, sell or supply medical, dental and optical products, hardware or
services; companies involved in biotechnology, medical diagnostic, and
biochemical research and development; and companies involved in the ownership
and/or operation of health care facilities.
 
The Health Care Fund expects that, from time to time, a significant portion of
its assets may be invested in the securities of U.S. issuers. Health care
industries, however, are global industries with significant, growing markets
outside of the United States. A sizeable portion of the companies which comprise
the health care industries are headquartered outside of the United States, and
many important pharmaceutical and biotechnology discoveries and technological
breakthroughs have occurred outside of the United States, primarily in Japan,
the United Kingdom and Western Europe.
 
   
The Sub-adviser believes that the global health care industries offer attractive
long-term supply/ demand dynamics. While the United States, Western Europe, and
Japan presently account for a substantial portion of health care expenditures,
this should change dramatically in the coming decade if the populations of
developing countries devote an increasing percentage of income to health care.
Additionally, the Sub-adviser believes demographics on aging point to a
significant increase in demand from the industrialized nations, as the elderly
account for a growing proportion of worldwide health care spending. Finally, in
the Sub-adviser's view, technology will continue to expand the range of products
and services offered, with new drugs, medical devices and surgical procedures
addressing medical conditions previously considered untreatable.
    
 
   
In addition to these underlying trends, the United States is presently
experiencing a period of rapid and profound change in its own health care
system, marked by the rise of managed care, the formation of health care
delivery networks, and widespread consolidation across all segments of the
industry. The Sub-adviser believes that this transition offers investment
opportunities in those companies acting as consolidators or otherwise gaining
market share at the expense of less efficient competitors.
    
 
TELECOMMUNICATIONS FUND
The Telecommunications Fund's investment objective is long-term growth of
capital. It seeks its objective by investing primarily in equity securities of
companies throughout the world engaged in the development, manufacture or sale
of telecommunications services or equipment.
 
   
At least 65% of the Telecommunications Fund's total assets normally will be
invested in common and preferred stocks and warrants to acquire such securities
issued by telecommunications companies. A "telecommunications" company is an
entity in which (i) at least 50% of either its revenues or earnings was derived
from telecommunications activities, or (ii) at least 50% of its assets was
devoted to telecommunications activities, based on the company's most recent
fiscal year. The remainder of the assets of the Telecommunications Fund may be
invested in debt securities issued by telecommunications companies and/or equity
and debt securities of companies outside of the telecommunications industry
which, in the opinion of the Sub-adviser, stand to benefit from developments in
the telecommunications industries.
    
 
   
GLOBAL TELECOMMUNICATIONS INDUSTRIES INVESTMENT. Telecommunications companies
cover a variety of sectors, ranging from companies concentrating on established
technologies to those primarily engaged in emerging or developing technologies.
The characteristics of companies focusing on the same technology will vary among
countries depending upon the extent to which the technology is established in
the particular country. The Sub-adviser will allocate the Telecommunications
Fund's investments among these sectors depending upon its assessment of their
relative long-term growth potential.
    
 
Examples of telecommunications companies include those engaged in designing,
developing or providing the following products and services: communications
equipment and services (including equipment and services for both data and voice
transmission); electronic components and equipment; broadcasting (including
television and radio, satellite, microwave and cable television and
narrowcasting); computer equipment, mobile communications and cellular
radio/paging; electronic mail; local and wide area networking and linkage of
word and data processing systems; publishing and information systems; videotext
and teletext; and emerging technologies combining telephone, television and/or
computer systems.
 
   
The Sub-adviser believes that there are opportunities for continued growth in
demand for components, products, media and systems to collect, store, retrieve,
transmit, process, distribute,
    
 
                               Prospectus Page 19
<PAGE>
                             GT GLOBAL THEME FUNDS
record, reproduce and use information. The pervasive societal impact of
communications and information technologies has been accelerated by the lower
costs and higher efficiencies that result from the blending of computers with
telecommunications systems. Accordingly, companies engaged in the production of
methods for using electronic and, potentially, video technology to communicate
information are expected to be important in the Telecommunications Fund's
portfolio. Older technologies, such as photography and print also may be
represented, however.
 
SELECTION OF INVESTMENTS AND ASSET ALLOCATION. Each Theme Portfolio expects
that, from time to time, a significant portion of its assets may be invested in
the securities of domestic issuers. Each industry represented in the Theme
Portfolios, however, is a global industry with significant, growing markets
outside of the United States. A sizeable proportion of the companies which
comprise such industries are headquartered outside of the United States.
 
   
For these reasons, the Sub-adviser believes that a portfolio composed only of
securities of U.S. issuers does not provide the greatest potential for return
from a Theme Portfolio investment. The Sub-adviser uses its financial expertise
in markets located throughout the world and the substantial global resources of
AMVESCAP PLC in attempting to identify those countries and companies then
providing the greatest potential for long-term capital appreciation. In this
fashion, the Sub-adviser seeks to enable shareholders to capitalize on the
substantial investment opportunities and the potential for long-term growth of
capital presented by the global industries represented in the Theme Portfolios.
    
 
   
The Sub-adviser allocates each Theme Portfolio's assets among securities of
countries and in currency denominations where opportunities for meeting each
Theme Portfolio's investment objective are expected to be the most attractive.
Each Theme Portfolio may invest substantially in securities denominated in one
or more currencies. Under normal conditions, each Theme Portfolio invests in the
securities of issuers located in at least three countries, including the United
States; investments in securities of issuers in any one country, other than the
United States, will represent no more than 40% of the Financial Services
Portfolio's and the Telecommunication Fund's total assets, and no more than 50%
of the Infrastructure Portfolio's, the Natural Resources Portfolio's, the Health
Care Fund's and the Consumer Products and Services Portfolio's total assets.
    
   
In analyzing specific companies for possible investment, the Sub-adviser
ordinarily looks for several of the following characteristics: above-average per
share earnings growth; high return on invested capital; a healthy balance sheet;
sound financial and accounting policies and overall financial strength; strong
competitive advantages; effective research and product development and
marketing; development of new technologies; efficient service; pricing
flexibility; strong management; and general operating characteristics that will
enable the companies to compete successfully in their respective markets.
    
 
   
In assessing companies for the Natural Resources Portfolio, the Sub-adviser will
also evaluate, among other factors, their capabilities for expanded exploration
and production, superior exploration programs and production techniques and
facilities, current inventories, expected production and demand levels and the
potential to accumulate new resources.
    
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy if
it determines such a strategy to be warranted due to market, economic or
political conditions. Under a defensive strategy, each Theme Portfolio may
invest up to 100% of its total assets in cash (U.S. dollars, foreign currencies
or multinational currency units) and/or high quality debt securities or money
market instruments of U.S. or foreign issuers. In addition, for temporary
defensive purposes, most or all of each Theme Portfolio's investments may be
made in the United States and denominated in U.S. dollars. To the extent any
Theme Portfolio adopts a temporary defensive posture, it will not be invested so
as to achieve directly its investment objective. In addition, pending investment
of proceeds from new sales of Fund shares or to meet its ordinary daily cash
needs, each Theme Portfolio may hold cash (U.S. dollars, foreign currencies or
multinational currency units) and may invest in foreign or domestic high quality
money market instruments. For a full description of money market instruments,
see        in the Statement of Additional Information.
    
 
PRIVATIZATIONS. The governments of some foreign countries have been engaged in
programs of selling part or all of their stakes in government owned or
controlled enterprises ("privatizations").
 
                               Prospectus Page 20
<PAGE>
                             GT GLOBAL THEME FUNDS
   
The Sub-adviser believes that privatizations may offer opportunities for
significant capital appreciation and intends to invest assets of the Theme
Portfolios in privatizations in appropriate circumstances. In certain foreign
countries, the ability of foreign entities such as the Theme Portfolios to
participate in privatizations may be limited by local law, or the terms on which
the Theme Portfolios may be permitted to participate may be less advantageous
than those for local investors. There can be no assurance that foreign
governments will continue to sell companies currently owned or controlled by
them or that privatization programs will be successful.
    
 
   
INVESTMENTS IN OTHER INVESTMENT COMPANIES. Each Theme Portfolio may invest up to
10% of its total assets in other investment companies, some of which may be
investment vehicles or companies that are advised by the Sub-adviser or its
affiliates ("Affiliated Funds"). As a shareholder in an investment company, that
Theme Portfolio would bear its ratable share of that investment company's
expenses, including its advisory and administration fees. At the same time, the
Theme Portfolio would continue to pay its own management fees and other
expenses. The Sub-adviser waives its advisory fee to the extent that a Theme
Portfolio invests in an Affiliated Fund.
    
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND ROLL TRANSACTIONS. A Theme
Portfolio may borrow from banks or may borrow through reverse repurchase
agreements and "roll" transactions in connection with meeting requests for the
redemptions of a Theme Portfolio's shares. A Theme Portfolio also may borrow up
to 5% of its total assets for temporary or emergency purposes other than to meet
redemptions. A Theme Portfolio may borrow up to 33 1/3% of its total assets.
However, no additional investments will be made if a Theme Portfolio's
borrowings exceed 5% of its total assets. Any borrowing by a Theme Portfolio may
cause greater fluctuation in the value of its shares than would be the case if a
Theme Portfolio did not borrow.
 
A reverse repurchase agreement is a borrowing transaction in which a Theme
Portfolio transfers possession of a security to another party, such as a bank or
broker/dealer, in return for cash, and agrees to repurchase the security in the
future at an agreed upon price which includes an interest component. A "roll"
borrowing transaction involves a Theme Portfolio's sale of securities together
with its commitment (for which that Theme Portfolio may receive a fee) to
purchase similar, but not identical, securities at a future date.
SECURITIES LENDING. Each Theme Portfolio may lend its portfolio securities to
broker/dealers or to other institutional investors. Securities lending allows
the Theme Portfolios to retain ownership of the securities loaned and, at the
same time, enhances a Fund's total return. Each Theme Portfolio limits its loans
of portfolio securities to an aggregate of 30% of the value of its total assets,
measured at the time any such loan is made. While a loan is outstanding, the
borrower must maintain with the Theme Portfolio's custodian collateral
consisting of cash, U.S. government securities or certain irrevocable letters of
credit equal to at least the value of the borrowed securities, plus any accrued
interest or such other collateral as permitted by a Fund's investment program
and regulatory agencies, and as approved by the Board. The risks in lending
portfolio securities, as with other extensions of secured credit, consist of
possible delays in receiving additional collateral or in recovery of the
securities and possible loss of rights in the collateral should the borrower
fail financially.
 
   
WHEN-ISSUED OR FORWARD COMMITMENT SECURITIES. The Theme Portfolios may purchase
debt securities on a "when-issued" basis and may purchase or sell such
securities on a "forward commitment" basis in order to hedge against anticipated
changes in interest rates and prices. The price, which is generally expressed in
yield terms, is fixed at the time the commitment is made, but delivery and
payment for the securities take place at a later date. When-issued securities
and forward commitments may be sold prior to the settlement date, but a Theme
Portfolio will purchase or sell when-issued securities or enter into forward
commitments only with the intention of actually receiving or delivering the
securities, as the case may be. No income accrues on securities that have been
purchased pursuant to a forward commitment or on a when-issued basis prior to
delivery to the Theme Portfolio. If the Theme Portfolio disposes of the right to
acquire a when-issued security prior to its acquisition or disposes of its right
to deliver or receive against a forward commitment, it may incur a gain or loss.
At the time a Theme Portfolio enters into a transaction on a when-issued or
forward commitment basis, the Theme Portfolio will segregate cash or liquid
securities equal to the value of the when-issued or forward commitment
securities with its custodian and will mark to market daily such assets.
    
 
                               Prospectus Page 21
<PAGE>
                             GT GLOBAL THEME FUNDS
There is a risk that the securities may not be delivered and that the Theme
Portfolio may incur a loss.
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Each Theme Portfolio may use
forward currency contracts, futures contracts, options on securities, options on
indices, options on currencies and options on futures contracts to attempt to
hedge against the overall level of investment and currency risk normally
associated with the portfolio. These instruments are often referred to as
"derivatives," which may be defined as financial instruments whose performance
is derived, at least in part, from the performance of another asset (such as a
security, currency or an index of securities). Each Theme Portfolio may enter
into such instruments up to the full value of its portfolio assets. See "Risk
Factors -- Options, Futures and Forward Currency Transactions" herein and
"Options, Futures and Forward Currency Strategies" in the Statement of
Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, each Theme Portfolio may enter into forward currency contracts for
the purchase or sale of a specified currency at a specified future date. Such
contracts may involve the purchase or sale of a foreign currency against the
U.S. dollar or may involve two foreign currencies. Each Theme Portfolio may
enter into forward currency contracts either with respect to specific
transactions or with respect to its portfolio positions. Each Theme Portfolio
also may purchase and sell put and call options on currencies, futures contracts
on currencies and options on such futures contracts to hedge against movements
in exchange rates.
 
   
In addition, a Theme Portfolio may purchase and sell put and call options on
equity and debt securities to hedge against the risk of fluctuations in the
prices of securities held by that Theme Portfolio or that the Sub-adviser
intends to include in the Theme Portfolio's portfolio. The Theme Portfolio also
may purchase and sell put and call options on stock indexes to hedge against
overall fluctuations in the securities markets generally or in a specific market
sector.
    
 
   
Further, a Theme Portfolio may sell stock index futures contracts and may
purchase put options or write call options on such futures contracts to protect
against a general stock market decline or a decline in a specific market sector
that could affect adversely a Theme Portfolio's holdings. A Theme Portfolio also
may purchase stock index futures contracts and purchase call options or write
put options on such contracts to hedge against a general stock market or market
sector advance and thereby attempt to lessen the cost of future securities
acquisitions. A Theme Portfolio may use interest rate futures contracts and
options thereon to hedge the debt portion of its portfolio against changes in
the general level of interest rates.
    
 
OTHER INFORMATION REGARDING THE PORTFOLIOS. As previously described, the
Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund, unlike mutual funds that directly acquire
and manage their own portfolios of securities, seek to achieve their investment
objective by investing all of their investable assets in the Financial Services
Portfolio, Infrastructure Portfolio, Natural Resources Portfolio and Consumer
Products and Services Portfolio, respectively, each of which is a separate
investment company. Because a Fund will invest only in its corresponding
Portfolio, that Fund's shareholders will acquire only an indirect interest in
the investments of that Portfolio.
 
   
The Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund may each redeem its investment in its
corresponding Portfolio at any time, if the Board of Trustees of the Company
determines that it is in the best interests of that Fund and its shareholders to
do so. A change in a Portfolio's investment objective, policies or limitations
that is not approved by the Board or the shareholders of its corresponding Fund
could require the Fund to redeem its interest in the Portfolio. Any such
redemption could result in a distribution in kind of portfolio securities (as
opposed to a cash distribution) by the Portfolio. Should such a distribution
occur, the Fund could incur brokerage fees or other transaction costs in
converting such securities to cash. In addition, a distribution in kind could
result in a less diversified portfolio of investments for the Fund and could
adversely affect its liquidity. Upon redemption, the Board would consider what
action might be taken, including the investment of all the investable assets of
that Fund in another pooled investment entity having substantially the same
investment objective as the Fund or the retention by the Fund of its own
investment adviser to manage its assets in accordance with its investment
objective, policies and limitations discussed herein.
    
 
In addition to selling an interest therein to its corresponding Fund, the
Financial Services Portfolio,
 
                               Prospectus Page 22
<PAGE>
                             GT GLOBAL THEME FUNDS
Infrastructure Portfolio, Natural Resources Portfolio and Consumer Products and
Services Portfolio may each sell interests therein to other non-affiliated
investment companies and/or other institutional investors. All institutional
investors in a Portfolio will pay a proportionate share of that Portfolio's
expenses and will invest in that Portfolio on the same terms and conditions.
However, if another investment company invests any or all of its assets in a
Portfolio, it would not be required to sell its shares at the same public
offering price as the Portfolio's corresponding Fund and may charge different
sales commissions. Therefore, investors in the Financial Services Fund,
Infrastructure Fund, Natural Resources Fund and Consumer Products and Services
Fund may experience different returns than investors in another investment
company that invests exclusively in its corresponding Portfolio. As of the date
of this Prospectus, the Financial Services Fund, Infrastructure Fund, Natural
Resources Fund and Consumer Products and Services Fund are the only
institutional investors in their corresponding Portfolios.
 
The Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund may each be materially affected by the
actions of other large investors, if any, in its corresponding Portfolio. For
example, as with all open-end investment companies, if a large investor were to
redeem its interest in a Portfolio, (1) that Portfolio's remaining investors
could experience higher pro rata operating expenses, thereby producing lower
returns and (2) that Portfolio's security holdings may become less diverse,
resulting in increased risk. Institutional investors in a Portfolio that have a
greater pro rata ownership interest in that Portfolio than its corresponding
Fund could have effective voting control over the operation of that Portfolio.
 
   
OTHER INFORMATION. The investment objective of each Fund may not be changed
without the approval of a majority of that Fund's outstanding voting securities.
A "majority of the Fund's outstanding voting securities" means the lesser of (i)
67% of the Fund's shares represented at a meeting at which more than 50% of the
outstanding shares are represented, or (ii) more than 50% of the outstanding
shares. In addition, each Fund has adopted certain investment limitations which
also may not be changed without shareholder approval. A complete description of
these limitations is included in the Statement of Additional Information. Unless
specifically noted, the Funds' investment policies described in this Prospectus
and in the Statement of Additional Information may be changed by the Company's
Board of Trustees without shareholder approval. Each Fund's policies regarding
concentration and lending, and the percentage of that Fund's assets that may be
committed to borrowing, are fundamental policies and may not be changed without
shareholder approval.
    
 
   
The approval of the Financial Services Fund, Infrastructure Fund, Natural
Resources Fund and Consumer Products and Services Fund and of other investors in
their corresponding Portfolio, if any, is not required to change the investment
objective, policies or limitations of that Portfolio, unless otherwise
specified. Written notice shall be provided to shareholders of such Fund thirty
days prior to any changes in its corresponding Portfolio's investment objective.
    
 
   
If a percentage restriction on investment or utilization of assets in an
investment policy or restriction is adhered to at the time an investment is
made, a later change in percentage ownership of a security or kind of securities
resulting from changing market values or a similar type of event will not be
considered a violation of a Fund's or Portfolio's investment policies or
restrictions.
    
 
   
The Theme Portfolios are authorized to engage in Short Sales, although they
currently have no intention of doing so, and may purchase American Depository
Receipts, American Depository Shares, Global Depository Receipts and European
Depository Receipts. See "Short Sales" and "Depository Receipts," respectively,
in the Investment Objectives and Policies section of the Statement of Additional
Information.
    
 
                               Prospectus Page 23
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that any Fund or Portfolio will achieve its
investment objective. The Funds' net asset values will fluctuate reflecting
fluctuations in the market value of the Theme Portfolios' portfolio positions.
Equity securities, particularly common stocks, generally represent the most
junior position in an issuer's capital structure, and entitle holders to an
interest in the assets of an issuer, if any, remaining after all more senior
claims have been satisfied. The value of equity securities held by a Theme
Portfolio will fluctuate in response to general market and economic
developments, as well as developments affecting the particular issuers of such
securities. In addition, the value of debt securities held by a Theme Portfolio
generally will fluctuate with changes in the perceived creditworthiness of the
issuers of such securities and interest rates.
 
Because each Theme Portfolio focuses its investments on particular industries,
an investment in each may be more volatile than that of other investment
companies that do not concentrate their investments in such a manner. Moreover,
the value of the shares of each Fund will be especially susceptible to factors
affecting the industries in which it focuses. Accordingly, no Fund should be
considered a complete investment program.
 
FINANCIAL SERVICES FUND AND FINANCIAL SERVICES PORTFOLIO. Financial services
industries may be subject to greater governmental regulation than many other
industries and changes in governmental policies and the need for regulatory
approvals may have a material effect on the services offered by companies in the
financial services industries. Governmental regulation may limit both the
financial commitments banks can make, including the amounts and types of loans,
and the interest rates and fees they can charge. In addition, governmental
regulation in certain foreign countries may impose interest rate controls,
credit controls and price controls.
 
Companies in the financial services sector are subject to rapid business
changes, significant competition, value fluctuations due to the concentration of
loans in particular industries significantly affected by economic conditions
(such as real estate or energy) and volatile performance dependent upon the
availability and cost of capital and prevailing interest rates. In addition,
general economic conditions significantly affect these companies. Credit and
other losses resulting from the financial difficulty of borrowers or other third
parties potentially may have an adverse effect on companies in these industries.
Foreign banks, particularly those of Japan, have reported financial difficulties
attributed to increased competition, regulatory changes, and general economic
difficulties.
 
The financial services area in the United States currently is changing
relatively rapidly as existing distinctions between various financial service
segments become less clear. For instance, recent business combinations have
included insurance, finance, and securities brokerage under single ownership.
Some primarily retail corporations have expanded into securities and insurance
fields. Investment banking, securities brokerage and investment advisory
companies are subject to government regulation and risk due to securities
trading and underwriting activities.
 
Many of the investment considerations discussed in connection with banks,
savings institutions and loan associations, and finance companies also apply to
insurance companies. The performance of insurance company investments will be
subject to risk from several factors. The earnings of insurance companies will
be affected by interest rates, pricing (including severe pricing competition
from time to time), claims activity, marketing competition and general economic
conditions. Particular insurance lines also will be influenced by specific
matters. Property and casualty insurer profits may be affected by certain
weather catastrophes and other disasters. Life and health insurer profits may be
affected by mortality and morbidity rates. Individual companies may be exposed
to material risks, including reserve inadequacy, problems in investment
portfolios (due to real estate or "junk" bond holdings, for example), and the
inability to collect from reinsurance carriers. Insurance companies are subject
to extensive governmental regulation, including the imposition of maximum rate
levels, which may not be adequate for some lines of business. Proposed or
potential anti-
 
                               Prospectus Page 24
<PAGE>
                             GT GLOBAL THEME FUNDS
trust or tax law changes also may affect adversely insurance companies' policy
sales, tax obligations and profitability.
 
INFRASTRUCTURE FUND AND INFRASTRUCTURE PORTFOLIO. Infrastructure industries may
be subject to greater political, environmental and other governmental regulation
than many other industries. The nature of such regulation continues to evolve in
both the United States and foreign countries, and changes in governmental policy
and the need for regulatory approvals may have a material effect on the products
and services offered by companies in the infrastructure industries. Electric,
gas, water and most telecommunications companies in the United States, for
example, are subject to both federal and state regulation affecting permitted
rates of return and the kinds of services that may be offered. Governmental
regulation may also hamper the development of new technologies.
 
In addition, many infrastructure companies have historically been subject to the
risks attendant to increases in fuel and other operating costs, high interest
costs on borrowed funds, costs associated with compliance with environmental and
other safety regulations and changes in the regulatory climate. Further,
competition is intense for many infrastructure companies. As a result, many of
these companies may be adversely affected in the future and such companies may
be subject to increased share price volatility. In addition, many companies have
diversified into oil and gas exploration and development, and therefore returns
may be more sensitive to energy prices. Other infrastructure companies, such as
water supply companies, are in a highly fragmented industry due to local
ownership. Generally these companies are mature and are experiencing little or
no growth. Changes in prevailing interest rates may also affect the
Infrastructure Fund's share values because prices of equity and debt securities
of infrastructure companies often tend to increase when interest rates decline
and decrease when interest rates rise.
 
NATURAL RESOURCES FUND AND NATURAL RESOURCES PORTFOLIO. Natural resource
industries may be subject to greater political, environmental and other
governmental regulation than many other industries. The nature of such
regulation continues to evolve in both the United States and foreign countries,
and changes in governmental policies and the need for regulatory approvals may
have a material effect on the products and services offered by companies in the
natural resource industries. For example, the exploration, development and
distribution of coal, oil and gas in the United States are subject to
significant federal and state regulation, which may affect rates of return on
such investments and the kinds of services that may be offered. Governmental
regulation may also hamper the development of new technologies.
 
In addition, many natural resource companies historically have been subject to
significant costs associated with compliance with environmental and other safety
regulations. Further, competition is intense for many natural resource
companies. As a result, many of these companies may be adversely affected in the
future and the value of the securities issued by such companies may be subject
to increased share price volatility. Such companies may also be subject to
irregular fluctuations in earnings due to changes in the availability of money,
the level of interest rates, and other factors.
 
The value of securities of natural resource companies will fluctuate in response
to market conditions for the particular natural resources with which the issuers
are involved. The price of natural resources will fluctuate due to changes in
worldwide levels of inventory, and changes, perceived or actual, in production
and consumption. With respect to precious metals, such price fluctuations may be
substantial over short periods of time. In addition, the value of natural
resources may fluctuate directly with respect to various stages of the
inflationary cycle and perceived inflationary trends and are subject to numerous
factors, including national and international politics.
 
CONSUMER PRODUCTS AND SERVICES FUND AND CONSUMER PRODUCTS AND SERVICES
PORTFOLIO. The performance of consumer products and services companies relates
closely to the actual or perceived performance of the overall economy, interest
rates and consumer confidence. In addition, changes in demographics and consumer
tastes may also affect the demand for, and success of, particular consumer
products and services. Many consumer products and services companies have
unpredictable earnings, due in part to changes in consumer tastes and intense
competition. As a result, such companies may be subject to increased share price
volatility. The consumer products and services industries may also be subject to
greater government regulation, including trade regulation, than many other
industries. Changes in governmental policy and the need for regulatory approvals
may have a material effect on the products and services offered by companies in
the consumer products and services industries. Such governmental regulations may
also hamper the development of new business opportunities.
 
                               Prospectus Page 25
<PAGE>
                             GT GLOBAL THEME FUNDS
 
HEALTH CARE FUND. Health care industries generally are subject to substantial
governmental regulation. Changes in governmental policy or regulation could have
a material effect on the demand for products and services offered by companies
in the health care industries and therefore could affect the performance of the
Health Care Fund. Regulatory approvals are generally required before new drugs
and medical devices or procedures may be introduced and before the acquisition
of additional facilities by health care providers. In addition, the products and
services offered by such companies may be subject to rapid obsolescence caused
by technological and scientific advances.
 
TELECOMMUNICATIONS FUND. Telecommunications industries may be subject to greater
governmental regulation than many other industries and changes in governmental
policy and the need for regulatory approvals may have a material effect on the
products and services offered by companies in the telecommunications industries.
Telephone operating companies in the United States, for example, are subject to
both federal and state regulation affecting permitted rates of return and the
kinds of services that may be offered. Certain types of companies in the
telecommunications industries are engaged in fierce competition for market share
that could result in increased share price volatility.
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally will not be registered with, nor the
issuers thereof be subject to, the reporting requirements of the SEC.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available about domestic securities and issuers.
Foreign companies generally are not subject to uniform accounting, auditing and
financial reporting standards, practices and requirements comparable to those
applicable to domestic companies. In addition, certain costs attributable to
foreign investing, such as custody charges, are higher than those attributable
to domestic investing. Securities of some foreign companies are less liquid and
their prices may be more volatile than securities of comparable domestic
companies. The Theme Portfolios' interest and dividends from foreign issuers may
be subject to non-U.S. withholding taxes, thereby reducing the Theme Portfolios'
net investment income.
 
With respect to some foreign countries, there is the increased possibility of
expropriation or confiscatory taxation, limitations on the removal of funds or
other assets of the Theme Portfolios, political or social instability, or
diplomatic developments which could affect the Theme Portfolios' investments in
those countries. Moreover, individual foreign economies may differ favorably or
unfavorably from the U.S. economy in such respects as growth of gross national
product, rate of inflation, rate of savings and capital reinvestment, resource
self-sufficiency and balance of payments positions.
 
Each Theme Portfolio may invest in issuers domiciled in "emerging markets."
Investing in emerging market countries involves risks in addition to those risks
involved in foreign investing. Many emerging market countries have experienced
high rates of inflation for many years. In addition, emerging markets generally
are dependent heavily upon international trade and, accordingly, have been and
continue to be affected adversely by trade barriers, exchange controls, managed
adjustments in relative currency values and other protectionist measures imposed
or negotiated by the countries with which they trade. The securities markets of
emerging market countries are substantially smaller, less developed, less liquid
and more volatile than the securities markets of the developed countries. In
addition, issuers in emerging markets typically are subject to a greater degree
of change in earnings and business prospects than issuers in developed
countries.
 
The Theme Portfolios will also be affected favorably or unfavorably by exchange
control regulations or changes in the exchange rates between foreign currencies
and the U.S. dollar. Changes in currency exchange rates will influence the value
of the Funds' shares, and also may affect the value of dividends and interest
earned by the Theme Portfolios and gains and losses realized by the Theme
Portfolios.
 
   
LOWER QUALITY DEBT SECURITIES. The Financial Services Portfolio, the Health Care
Fund and the Telecommunications Fund may each invest up to 5%, and the
Infrastructure Portfolio, Natural Resources Portfolio and Consumer Products and
Services Portfolio may each invest up to 20%, of its total assets in below
investment grade debt securities, that is, rated below BBB by Standard & Poor's,
a division of The McGraw-Hill Companies, Inc. ("S&P"), or Baa by Moody's
Investors Service, Inc. ("Moody's") or, if unrated, deemed to be of equivalent
quality in the judgment of the Sub-adviser. Such investments involve a high
degree of risk. However, no Theme Portfolio will invest in debt securities that
are in default as to payment of principal and interest.
    
 
                               Prospectus Page 26
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Debt rated Baa by Moody's is considered by Moody's to have speculative
characteristics. Debt rated BB, B, CCC, CC or C by S&P and debt rated Ba, B,
Caa, Ca or C by Moody's is regarded, on balance, as predominantly speculative
with respect to the issuer's capacity to pay interest and repay principal in
accordance with the terms of the obligation. While such lower quality debt will
likely have some quality and protective characteristics, these are outweighed by
large uncertainties or major risk exposures to adverse conditions. Debt rated C
by Moody's or S&P is the lowest rated debt that is not in default as to
principal or interest, and such issues so rated can be regarded as having
extremely poor prospects of ever attaining any real investment standing. Lower
quality debt securities are also generally considered to be subject to greater
risk than securities with higher ratings with regard to a deterioration of
general economic conditions. These lower quality debt securities are the
equivalent of high yield, high risk bonds, commonly known as "junk bonds."
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit ratings in response to subsequent events, so that an issuer's
current financial condition may be better or worse than a rating indicates. See
"Description of Debt Ratings" in the Statement of Additional Information for a
full discussion of Moody's and S&P's ratings.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. Issuers of lower quality securities are often highly
leveraged and may not have available to them more traditional methods of
financing. For example, during an economic downturn or a sustained period of
rising interest rates, highly leveraged issuers of lower quality securities may
experience financial stress. During such periods, such issuers may not have
sufficient revenues to meet their interest payment obligations. The issuer's
ability to service its debt obligations may also be adversely affected by
specific developments affecting the issuer, such as the issuer's inability to
meet specific projected business forecasts or the unavailability of additional
financing. The risk of loss due to default by the issuer is significantly
greater for the holders of lower quality securities because such securities are
generally unsecured and may be subordinated to the claims of other creditors of
the issuer.
 
Lower quality debt securities of corporate issuers frequently have call or
buy-back features which would permit an issuer to call or repurchase the
security from the Theme Portfolios. If an issuer exercises these provisions in a
declining interest rate market, the Theme Portfolios may have to replace the
security with a lower yielding security, resulting in a decreased return for
investors. In addition, the Theme Portfolios may have difficulty disposing of
lower quality securities because they may have a thin trading market. There may
be no established retail secondary market for many of these securities, and each
of the Theme Portfolios anticipates that such securities could be sold only to a
limited number of dealers or institutional investors. The lack of a liquid
secondary market also may have an adverse impact on market prices of such
instruments and may make it more difficult for the Theme Portfolios to obtain
accurate market quotations for purposes of valuing the Theme Portfolios
portfolio investments. The Theme Portfolios may also acquire lower quality debt
securities during an initial underwriting or which are sold without registration
under applicable securities laws. Such securities involve special considerations
and risks.
 
In addition to the foregoing, factors that could have an adverse effect on the
market value of lower quality debt securities in which the Theme Portfolios may
invest include: (i) potential adverse publicity; (ii) heightened sensitivity to
general economic or political conditions; and (iii) the likely adverse impact of
a major economic recession. A Theme Portfolio may also incur additional expenses
to the extent it is required to seek recovery upon a default in the payment of
principal or interest on portfolio holdings, and the Theme Portfolio may have
limited legal recourse in the event of a default.
 
   
ILLIQUID SECURITIES. Each Theme Portfolio may invest up to 15% of its net assets
in securities for which no readily available market exists, so-called "illiquid
securities." The Sub-adviser believes that carefully selected investments in
joint ventures, cooperatives, partnerships and state enterprises which are
illiquid (collectively, "Special
    
 
                               Prospectus Page 27
<PAGE>
                             GT GLOBAL THEME FUNDS
Situations") could enable the Theme Portfolios to achieve capital appreciation
substantially exceeding the appreciation the Theme Portfolios would realize if
they did not make such investments. However, in order to attempt to limit
investment risk, each Theme Portfolio will invest no more than 5% of its total
assets in Special Situations.
 
   
Illiquid securities may be more difficult to value than liquid securities and
the sale of illiquid securities generally will require more time and result in
higher brokerage charges or dealer discounts and other selling expenses than the
sale of liquid securities. Moreover, illiquid securities often sell at a price
lower than similar securities that are liquid.
    
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Although each Theme
Portfolio is authorized to enter into options, futures and forward currency
transactions, a Portfolio might not enter into any such transactions. Options,
futures and foreign currency transactions involve certain risks, which include:
(1) dependence on the Sub-adviser's ability to predict movements in the prices
of individual securities, fluctuations in the general securities markets or in
the appropriate market sector and movements in interest rates and currency
markets; (2) imperfect correlation, or even no correlation, between movements in
the price of options, forward contracts, futures contracts or options thereon
and movements in the price of the currency or security hedged or used for cover;
(3) the fact that skills and techniques needed to trade options, futures
contracts and options thereon or to use forward currency contracts are different
from those needed to select the securities in which a Theme Portfolio invests;
(4) lack of assurance that a liquid secondary market will exist for any
particular option, futures contract or option thereon at any particular time;
(5) the possible loss of principal under certain conditions; and (6) the
possible inability of a Theme Portfolio to purchase or sell a portfolio security
at a time when it would otherwise be favorable for it to do so, or the possible
need for a Theme Portfolio to sell a security at a disadvantageous time, due to
the need for the Theme Portfolio to maintain "cover" or to set aside securities
in connection with hedging transactions.
    
 
INVESTING IN SMALLER COMPANIES. While each Theme Portfolio's portfolio normally
will include securities of established suppliers of traditional products and
services, each Theme Portfolio may invest in smaller companies which can benefit
from the development of new products and services. These smaller companies may
present greater opportunities for capital appreciation, but may also involve
greater risks than large, established issuers. Such smaller companies may have
limited product lines, markets or financial resources, and their securities may
trade less frequently and in more limited volume than the securities of larger,
more established companies. As a result, the prices of the securities of such
smaller companies may fluctuate to a greater degree than the prices of the
securities of other issuers.
 
                               Prospectus Page 28
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Advisor Class shares are offered through this Prospectus to [(a)
trustees or other fiduciaries purchasing shares for employee benefit plans which
are sponsored by organizations which have at least 1,000 employees; (b) any
account with assets of at least $10,000 if (i) a financial planner, trust
company, bank trust department or registered investment adviser has investment
discretion over such account, and (ii) the account holder pays such person as
compensation for its advice and other services an annual fee of at least .50% on
the assets in the account ("Advisory Account"); (c) any account with assets of
at least $10,000 if (i) such account is established under a "wrap fee" program,
and (ii) the account holder pays the sponsor of such program an annual fee of at
least .50% on the assets in the account ("Wrap Fee Account"); (d) accounts
advised by one of the companies composing or affiliated with AMVESCAP PLC; (e)
any of the companies composing or affiliated with AMVESCAP PLC; and (f) GT
Global New Dimension Fund.] Financial planners, trust companies, bank trust
companies and registered investment advisers referenced in subpart (b) and
sponsors of "wrap fee" programs referenced in subpart (c) are collectively
referred to as "Financial Advisers." Investors in Wrap Fee Accounts and Advisory
Accounts may only purchase Advisor Class shares through Financial Advisers who
have entered into agreements with AIM Distributors or certain of its affiliates.
Investors may be charged a fee by their agents or brokers if they effect
transactions other than through a dealer.
    
 
   
All purchase orders will be executed at the public offering price next
determined after the purchase order is received. Orders received by authorized
institutions (or their designees) before the close of regular trading on the New
York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern Time, unless weather,
equipment failure or other factors contribute to an earlier closing time) on any
Business Day will be executed at the public offering price for the applicable
class of shares determined that day. Orders received by authorized institutions
(or their designees) before the close of regular trading on the NYSE on a
Business Day will be deemed to have been received by a Fund on such day and will
be effected that day, provided that such orders are transmitted to the Transfer
Agent prior to the time set for the receipt of such orders. A "Business Day" is
any day Monday through Friday on which the NYSE is open for business. The
authorized institution (or its designee) will be responsible for forwarding the
investor's order to the Transfer Agent so that it will be received prior to the
required time.
    
 
   
THE FUNDS AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER
AND TO SUSPEND THE OFFERING OF SHARES FOR A PERIOD OF TIME. In particular, the
Funds and AIM Distributors may reject purchase orders or exchanges by investors
who appear to follow, in the Sub-adviser's judgment, a market-timing strategy or
otherwise engage in excessive trading. See "How to Make Exchanges -- Limitations
on Purchase Orders and Exchanges."
    
 
   
Fiduciaries and Financial Advisers may be required to provide information
satisfactory to AIM Distributors concerning their eligibility to purchase
Advisor Class shares. For specific information on opening an account, please
contact your Financial Adviser or AIM Distributors.
    
 
   
PURCHASES BY BANK WIRE. Shares of the Funds may also be purchased by bank wire.
Bank wire purchases will be effected at the next determined public offering
price after the bank wire is received. A wire investment is considered received
when the Transfer Agent is notified that the bank wire has been credited to a
Fund. Prior telephonic or facsimile notice must be provided to the Transfer
Agent that a bank wire is being sent. A bank may charge a service fee for wiring
money to a Fund. The Transfer Agent currently does not charge a service fee for
facilitating wire purchases, but reserves the right to do so in the future. For
more information, please refer to the Shareholder Account Manual in this
Prospectus.
    
 
CERTIFICATES. Physical certificates representing the Funds' shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of
the Funds are recorded on a register by the Transfer Agent, and shareholders who
do not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who
 
                               Prospectus Page 29
<PAGE>
                             GT GLOBAL THEME FUNDS
   
hold certificates may take longer to effect than similar transactions involving
non-certificated shares because the physical delivery and processing of properly
executed certificates is required. ACCORDINGLY, THE FUNDS RECOMMEND THAT
SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program nor
does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Certain Financial Institutions
may charge a fee for establishing accounts relating to the Program. Investors
should contact their Financial Institution or AIM Distributors for more
information.
    
 
                               Prospectus Page 30
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
   
Advisor Class shares of a Fund may be exchanged for Advisor Class shares of any
other GT Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds include
the following:
    
 
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
Up to four exchanges each year may be made without charge. A $7.50 service
charge will be imposed on each subsequent exchange. Exchange requests received
in good order by the Transfer Agent before the close of regular trading on the
NYSE on any Business Day will be processed at the net asset value calculated on
that day. The terms of the exchange offer may be modified at any time, on 60
days' prior written notice.
 
   
Investors in Wrap Fee Accounts and Advisory Accounts interested in making an
exchange should contact their Financial Advisers to request the prospectus of
the other GT Global Mutual Fund(s) being considered. Other investors should
contact AIM Distributors.
    
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to the
shareholder's Financial Adviser. Exchange orders will be accepted by telephone
provided that the exchange involves only uncertificated shares on deposit in the
shareholder's account or for which certificates have previously been deposited.
Shareholders automatically have telephone privileges to authorize exchanges. The
Funds, AIM Distributors and the Transfer Agent will not be liable for any loss
or damage for acting in good faith upon instructions received by telephone and
reasonably believed to be genuine. The Funds employ reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 31
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
   
Fund shares may be redeemed at their net asset value and redemption proceeds
will be sent within seven days of the execution of a redemption request.
Redemption requests may be transmitted to the Transfer Agent by telephone or by
mail, in accordance with the instructions provided in the Shareholder Account
Manual. Redemptions will be effected at the net asset value next determined
after the Transfer Agent has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institution. A notary public is not an
acceptable guarantor.
    
 
Shareholders with Pre-Designated Accounts should request that redemption
proceeds be sent either by bank wire or by check. The minimum redemption amount
for a bank wire is $500. Shareholders requesting a bank wire should allow two
business days from the time the redemption request is effected for the proceeds
to be deposited in the shareholder's Pre-Designated Account. See "How to Redeem
Shares -- Other Important Redemption Information." Shareholders may change their
Pre-Designated Accounts only by a letter of instruction to the Transfer Agent
containing all account signatures, each of which must be guaranteed. The
Transfer Agent currently does not charge a bank wire service fee for each wire
redemption sent, but reserves the right to do so in the future. The
shareholder's bank may charge a bank wire service fee.
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Funds, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Funds employ reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
                               Prospectus Page 32
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in doubt as to what documents are required should contact
his or her Financial Adviser or the Transfer Agent.
    
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone or by
mail will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which the Funds have not
yet received good payment, the Funds may delay payment of redemption proceeds
until the Transfer Agent has assured itself that good payment has been collected
for the purchase of the shares. In the case of purchases by check it can take up
to 10 business days to confirm that the check has cleared and good payment has
been received. Redemption proceeds will not be delayed when shares have been
paid for by wire or when the investor's account holds a sufficient number of
shares for which funds already have been collected.
 
   
AIM Distributors reserves the right to redeem the shares of any Advisory Account
or Wrap Fee Account if the amount invested in GT Global Mutual Funds through
such account is reduced to less than $500 through redemptions or other action by
the shareholder. Written notice will be given to the shareholder at least 60
days prior to the date fixed for such redemption, during which time the
shareholder may increase the amount invested in GT Global Mutual Funds through
such account to an aggregate amount of $500 or more.
    
 
For additional information on how to redeem shares, see the Shareholder Account
Manual in this Prospectus, or contact your Financial Adviser.
 
                               Prospectus Page 33
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
Purchase, exchange and redemption orders should be placed in accordance with
this Manual. It is recommended that investors in Wrap Fee Accounts and Advisory
Accounts make such orders through their Financial Advisor. PLEASE BE CAREFUL TO
REFERENCE "ADVISOR CLASS" IN ALL INSTRUCTIONS PROVIDED. See "How to Invest,"
"How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
 
Each Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send the completed Account Application (if initial purchase) or letter stating
Fund name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
A new account may be opened by calling 1-800-223-2138 to obtain an account
number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION CONTAINING
THE INVESTOR'S CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT TO THE
ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire instructions must state
Fund name, class of shares, shareholder's registered name and account number.
Bank wires should be sent through the Federal Reserve Bank Wire System to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures should call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 34
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
Each Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing time) each Business Day. Each
Fund's net asset value per share is computed by determining the value of its
total assets (which, in the case of the Financial Services Fund, Infrastructure
Fund, Natural Resources Fund and Consumer Products and Services Fund is the
value of its proportionate share of the total assets of its corresponding
Portfolio), subtracting all of its liabilities, and dividing the result by the
total number of shares outstanding at such time. Net asset value is determined
separately for each class of shares of each Fund.
 
   
Equity securities held by the Theme Portfolios are valued at the last sale price
on the exchange or in the over-the-counter market in which such securities are
primarily traded, as of the close of business on the day the securities are
being valued or, lacking any sales, at the last available bid price. Long-term
debt obligations are valued at the mean of representative quoted bid and asked
prices for such securities or, if such prices are not available, at prices for
securities of comparable maturity, quality and type; however, when the
Sub-adviser deems it appropriate, prices obtained from a bond pricing service
will be used. Short-term debt investments are amortized to maturity based on
their cost, adjusted for foreign exchange translation and market fluctuations,
provided such valuations represent fair value. When market quotations for
futures and options positions held by a Fund are readily available, those
positions are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's or the Portfolios' Board of Trustees, as applicable.
Securities and other assets quoted in foreign currencies are valued in U.S.
dollars based on the prevailing exchange rates on that day.
    
 
Certain of the Theme Portfolios' securities from time to time may be listed
primarily on foreign exchanges that trade on days when the NYSE is closed (such
as a Saturday). As a result, the net asset value of a Fund's shares may be
significantly affected by such trading on days when shareholders cannot purchase
or redeem shares of that Fund.
 
- --------------------------------------------------------------------------------
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. Each Fund annually declares and pays as a
dividend all of its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less applicable expenses. Each Fund also annually distributes
substantially all of its realized net capital gains and net gains from foreign
currency transactions, if any. In the case of each of the Financial Services
Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products and
Services Fund, its net investment income, realized net capital gains and net
gains from foreign currency transactions consist of its proportionate share of
such income and gains of its corresponding Portfolio. Each Fund may make an
additional dividend or other distribution each year if necessary to avoid a 4%
excise tax on certain undistributed income and gain.
 
Dividends and other distributions paid by each Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Advisor Class shares of a Fund will be higher than the
per share income dividends on shares of other classes of that Fund
 
                               Prospectus Page 35
<PAGE>
                             GT GLOBAL THEME FUNDS
as a result of the service and distribution fees applicable to those other
shares. SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Advisor Class shares of the distributing Fund (or other GT Global
    Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional Advisor Class shares are made at net asset
value without imposition of a sales charge. IF NO ELECTION IS MADE BY A
SHAREHOLDER, ALL DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY
REINVESTED IN ADDITIONAL ADVISOR CLASS SHARES OF THE DISTRIBUTING FUND.
Reinvestments in another GT Global Mutual Fund may only be directed to an
account with the identical shareholder registration and account number. These
elections may be changed by a shareholder at any time; to be effective with
respect to a distribution, the shareholder or the shareholder's broker must
contact the Transfer Agent by mail or telephone at least 15 Business Days prior
to the payment date. THE FEDERAL INCOME TAX CONSEQUENCES OF DIVIDENDS AND OTHER
DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE RECEIVED IN CASH OR REINVESTED IN
ADDITIONAL SHARES.
 
Any dividend or other distribution paid by a Fund has the effect of reducing the
net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. Each Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that a Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders. In the case of each of the Financial Services
Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products and
Services Fund, its investment company taxable income and net capital gain
consists of its proportionate share of its corresponding Portfolio's net
investment income, net gains from certain foreign currency transactions and net
short-term capital gain and net capital gain, respectively. Each Portfolio
expects that it also will not be liable for any federal income tax.
 
Dividends from a Fund's investment company taxable income (whether paid in cash
or reinvested in additional shares) are taxable to its shareholders as ordinary
income to the extent of the Fund's earnings and profits. Distributions of a
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, each Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
Each Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
                               Prospectus Page 36
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Each Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with a
Fund.
 
   
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares. An exchange of
Fund shares for shares of another GT Global Mutual Fund (including another Fund)
generally will have similar tax consequences. In addition, if Fund shares are
purchased within 30 days before or after redeeming other shares of the same Fund
(regardless of class) at a loss, all or a part of the loss will not be
deductible and instead will increase the basis of the newly purchased shares.
    
 
   
The foregoing is only a summary of some of the important federal tax
considerations generally affecting the Funds and their shareholders. See "Taxes"
in the Statement of Additional Information for a further discussion. There may
be other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
    
 
                               Prospectus Page 37
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's and the Portfolios' Boards of Trustees have overall responsibility
for the operation of the Funds and the Portfolios, respectively. The Company's
and Portfolios' Boards of Trustees have approved all significant agreements
between the Company and the Portfolios on the one side and persons or companies
furnishing services to the Theme Portfolios on the other, including the
investment advisory and administrative services agreement with AIM, the
investment sub-advisory and sub-administration agreement with the Sub-adviser,
the agreements with AIM Distributors regarding distribution of each Fund's
shares, the agreement with State Street Bank and Trust Company as the custodian
and the transfer agency agreement with GT Global Investors Services, Inc., an
affiliate of the Sub-adviser. The day-to-day operations of each Theme Portfolio
are delegated to the officers of the Company and the Portfolios, subject always
to the objective and policies of the applicable Theme Portfolio and to the
general supervision of the Company's and Portfolios' Boards of Trustees. See
"Trustees and Executive Officers" in the Statement of Additional Information for
information on the Trustees.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Theme Portfolios' investment managers and administrators
include, but are not limited to, determining the composition of the investment
portfolio of the Portfolios and placing orders to buy, sell or hold particular
securities. In addition, AIM and the Sub-adviser provide the following
administration services to the Portfolios and the Funds: furnishing corporate
officers and clerical staff; providing office space, services and equipment; and
supervising all matters relating to the Portfolios' and the Funds' operation.
    
 
   
The Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund each pays AIM investment management and
administration fees computed daily and payable monthly at the annualized rate of
0.25% of such Fund's average daily net assets. In addition, each such Fund bears
its pro rata portion of the investment management and administration fees paid
by its corresponding Portfolio to AIM and the Sub-adviser. The Financial
Services Portfolio, Infrastructure Portfolio, Natural Resources Portfolio and
Consumer Products and Services Portfolio each pays AIM a fee, based on each such
Portfolio's average daily net assets at the annualized rate of .725% on the
first $500 million, .70% on the next $500 million, .675% on the next $500
million and .65% on all amounts thereafter. Out of its aggregate fees payable by
a Portfolio, AIM pays the Sub-adviser sub-advisory and sub-administration fees
equal to 40% of the aggregate fees AIM receives from each Portfolio. For
investment management and administration services provided to the Health Care
Fund and Telecommunications Fund, each such Fund pays AIM a fee computed daily
and paid monthly based on each such Fund's average daily net assets at the
annualized rate of .975% on the first $500 million, .95% on the next $500
million, .925% on the next $500 million and .90% on amounts thereafter. Out of
the aggregate fees payable by a Fund, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from
each Fund. The investment management and administration fees paid by the Funds
and the Portfolios are higher than those paid by most mutual funds.
    
 
   
Each Fund pays all expenses not assumed by AIM, the Sub-adviser, AIM
Distributors or other agents. AIM has undertaken to limit each Fund's expenses
(exclusive of brokerage commissions, taxes, interest and extraordinary expenses)
to the annual rate of 1.50% of the average daily net assets of each Fund's
Advisor Class shares.
    
 
   
The Sub-adviser also serves as each Theme Portfolio's pricing and accounting
agent. For these services the Sub-adviser receives a fee at an annual rate
derived by applying 0.03% to the first $5 billion of assets of GT Global Funds
and 0.02% to the assets in excess of $5 billion, and allocating the result
according to each Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to each Theme Portfolio pursuant to a master investment
advisory agreement, dated as of               , 1998 (the "Advisory Agreement").
    
 
                               Prospectus Page 38
<PAGE>
                             GT GLOBAL THEME FUNDS
   
AIM was organized in 1976 and, together with its subsidiaries, manages or
advises [over 50] investment company portfolios encompassing a broad range of
investment objectives. The Sub-adviser, 50 California Street, 27th Floor, San
Francisco, California 94111, and 1166 Avenue of the Americas, New York, New York
10036, serves as the sub-adviser to each Theme Portfolio pursuant to an
investment sub-advisory agreement dated as of               , 1998. On May   ,
1998, Liechtenstein Global Trust AG ("GT"), the former indirect parent
organization of the Sub-adviser, consummated a purchase agreement with AMVESCAP
PLC pursuant to which AMVESCAP PLC acquired GT's Asset Management Division,
which includes the Sub-adviser and certain other affiliates. As a result of this
transaction, the Sub-adviser is now an indirect wholly owned subsidiary of
AMVESCAP PLC. Prior to the sale, the Sub-adviser and its worldwide asset
management affiliates provided investment management and/or administrative
services to institutional, corporate and individual clients around the world
since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking each Fund's investment
objective.
    
 
The investment professionals primarily responsible for the portfolio management
of the Theme Portfolios are as follows:
                      GLOBAL FINANCIAL SERVICES PORTFOLIO
   
<TABLE>
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
A. James Ellman           Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1995. Analyst for the
 San Francisco             1995                      Manager from 1994 to 1995. From 1992 to 1994, Mr. Ellman was a
                                                     student at the Harvard Graduate School of Business Administration
                                                     (where he received a Master of Business Administration).
 
                                            GLOBAL INFRASTRUCTURE PORTFOLIO
 
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Brian T. Nelson           Portfolio Manager since   Portfolio Manager for the Sub-adviser since September 1997. Senior
 San Francisco             1997                      Equity Research Analyst for the Manager from 1995 to September
                                                     1997. From 1995 to October 1996, Mr. Nelson was employed by
                                                     Chancellor Capital Management, Inc., a predecessor of the
                                                     Sub-adviser. From 1988 to 1995, Mr. Nelson was an Equity Research
                                                     Analyst and eventually a Co-Portfolio Manager for Franklin
                                                     Resources, Inc. (San Mateo, CA).
 
                                           GLOBAL NATURAL RESOURCES PORTFOLIO
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Derek H. Webb             Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1994. Analyst for the
 San Francisco             Portfolio inception in    Manager from 1992 to 1994.
                           1994
</TABLE>
    
 
                               Prospectus Page 39
<PAGE>
                             GT GLOBAL THEME FUNDS
   
<TABLE>
<S>                       <C>                       <C>
                                    GLOBAL CONSUMER PRODUCTS AND SERVICES PORTFOLIO
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                    THE PORTFOLIO                                  PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Derek H. Webb             Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1994. Analyst for the
 San Francisco             Portfolio inception in    Manager from 1992 to 1994.
                           1994
 
                                                GLOBAL HEALTH CARE FUND
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                       THE FUND                                    PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Michael Yellen            Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1996. Research analyst
 San Francisco             1996                      for the Manager from 1994 to 1996. From 1991 to 1994, Mr. Yellen
                                                     was a securities analyst and Co-Portfolio Manager for Franklin
                                                     Resources, Inc. (San Mateo, CA).
 
                                             GLOBAL TELECOMMUNICATIONS FUND
<CAPTION>
                            RESPONSIBILITIES FOR                            BUSINESS EXPERIENCE
NAME/OFFICE                       THE FUND                                    PAST FIVE YEARS
- ------------------------  ------------------------  --------------------------------------------------------------------
<S>                       <C>                       <C>
Michael Mahoney           Portfolio Manager since   Portfolio Manager for the Sub-adviser since 1993. From 1991 to 1993,
 San Francisco             1993                      Mr. Mahoney was an Investment Analyst for the Manager.
</TABLE>
    
 
                            ------------------------
 
   
In placing orders for the Theme Portfolios' securities transactions, the
Sub-adviser seeks to obtain the best net results. Consistent with its obligation
to obtain the best net results, the Sub-adviser may consider a broker/dealer's
sale of shares of the GT Global Mutual Funds as a factor in considering through
whom portfolio transactions will be effected. Brokerage transactions may be
executed through affiliates of AIM or the Sub-adviser. High portfolio turnover
(over 100%) involves correspondingly greater brokerage commissions and other
transaction costs that the Funds will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. AIM Distributors is the distributor of the Funds'
Advisor Class shares. Like the Sub-adviser, AIM Distributors is a wholly owned
subsidiary of AIM. The address of AIM Distributors is P.O. Box 4739, Houston,
Texas 77210-4739.
    
 
   
The Sub-adviser or an affiliate thereof may make ongoing payments to Financial
Advisors and others that facilitate the administration and servicing of Advisor
Class shareholder accounts.
    
 
   
AIM Distributors, at its own expense, may provide promotional incentives to
broker/dealers that sell shares of a Fund and/or shares of the other GT Global
Mutual Funds. In some instances additional compensation or promotional
incentives may be offered to broker/dealers that have sold or may sell
significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to broker/dealers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and lodging)
incurred by sales personnel and members of their families or other invited
guests to various locations for such seminars or training programs, seminars for
the public, advertising and sales campaigns regarding one or more of the GT
Global Mutual Funds, and/ or other events sponsored by the broker/dealers.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. Banks and broker/dealer affiliates of banks may
also execute dealer agreements with AIM Distributors for the purpose of selling
shares of a Fund. If a bank were prohibited from so acting, its shareholder
clients would be permitted to remain shareholders, and alternative means for
continuing the servicing of such shareholders would be sought. It is not
expected that shareholders would suffer any adverse financial consequences as a
result of any of these occurrences.
    
 
                               Prospectus Page 40
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in a Fund, the shareholder will receive from the
Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to a Fund's automatic dividend
reinvestment program may be provided quarterly. Shortly after the end of each
Fund's fiscal year on October 31 and fiscal half-year on April 30 of each year,
shareholders receive an annual and semiannual report, respectively. In addition,
the federal income status of distributions made by a Fund to shareholders will
be reported after the end of the calendar year on Form 1099-DIV. Under certain
circumstances, duplicate mailings of the foregoing reports to the same household
may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of each Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of a Fund will be
voted by a Fund's shareholders individually when the matter affects the specific
interest of that Fund only, such as approval of its investment management
arrangements. In addition, shares of a particular class of a Fund may vote on
matters affecting only that class. The shares of each Fund and of all the
Company's other funds will be voted in the aggregate on other matters, such as
the election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting shares may call a meeting of shareholders for the
purpose of voting upon the question of removal of any Trustee or for any other
purpose. The 1940 Act requires the Company to assist shareholders in calling
such a meeting.
    
 
Each Fund offers Advisor Class shares through this Prospectus to certain
investors. Each Fund also offers Class A shares and Class B shares to investors
through a separate prospectus. Each class of shares will experience different
net asset values and dividends as a result of different expenses borne by each
class of shares. The per share net asset value and dividends of the Advisor
Class shares of a Fund generally will be higher than that of the Class A and B
shares of that Fund because of the higher expenses borne by the Class A and B
shares. Consequently, during comparable periods, the Funds expect that the total
return on an investment in shares of the Advisor Class will be higher than the
total return on Class A or Class B shares.
 
   
Pursuant to the Company's Declaration of Trust, it may issue an unlimited number
of shares of each of the Funds. Each share of each Fund represents an interest
in that Fund only, has a par value of $0.01 per share, represents an equal
proportionate interest in that Fund with other shares of that Fund and is
entitled to such dividends and other distributions out of the income earned and
gain realized on the assets belonging to that Fund as may be declared at the
discretion of the Board of Trustees. Each share of each Fund is equal in
earnings, assets and voting privileges, except that each class has exclusive
voting rights with respect to its distribution plan and bears the expenses, if
any, related to the distribution of its shares. Shares of
    
 
                               Prospectus Page 41
<PAGE>
                             GT GLOBAL THEME FUNDS
each Fund, when issued, are fully paid and nonassessable.
 
   
ORGANIZATION OF THE PORTFOLIOS. Each Portfolio is organized as a subtrust of a
Delaware business trust. The Declaration of Trust provides that the Financial
Services Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products
and Services Fund and other entities investing in its corresponding Portfolio
(E.G., other investment companies, insurance company separate accounts and
common and commingled trust funds), if any, will each be liable for all
obligations of that Portfolio. However, the Trustees of the Company believe that
the risk of such Funds' incurring financial loss because of such liability is
limited to circumstances in which both inadequate insurance existed and each of
the Portfolios itself was unable to meet its obligations, and that neither the
Financial Services Fund, Infrastructure Fund, Natural Resources Fund and
Consumer Products and Services Fund nor their shareholders will be exposed to a
material risk of liability by reason of the Funds' investing in their
corresponding Portfolios.
    
 
Whenever the Financial Services Fund, Infrastructure Fund, Natural Resources
Fund and Consumer Products and Services Fund is requested to vote on any
proposal of its corresponding Portfolio, such Fund will hold a meeting of such
Fund's shareholders and will cast its vote as instructed by its shareholders.
Shares for which no voting instructions are received will be voted in the same
proportion as the shares for which voting instructions are received.
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Funds
toll-free at (800) 223-2138 or by writing to the Funds at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Funds, from time to time, may include information
on their investment results and/or comparisons of their investment results to
various unmanaged indices or results of other mutual funds or groups of mutual
funds in advertisements, sales literature or reports furnished to present or
prospective shareholders.
 
In such materials, the Funds may quote their average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of each Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in a
Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of a Fund. Standardized Return assumes
reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Funds' performance or
more accurately compare such performance to other measures of investment return,
the Funds also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized Return reflects percentage rates of return encompassing all
elements of return (i.e., income and capital appreciation or depreciation) and
assumes reinvestment of all dividends and other distributions. Non-Standardized
Return may be quoted for the same or different periods as those for which
Standardized Return is quoted; it may consist of an aggregate or average annual
percentage rate of return, actual year-by-year rates or any combination thereof.
Non-Standardized Return may or may not take sales charges into account;
performance data calculated without taking the effect of sales charges into
account will be higher than data including the effect of such charges.
 
The Funds' performance data reflects past performance and is not necessarily
indicative of future results. The Funds' investment results will vary from time
to time depending upon market conditions, the composition of their portfolios
and their operating expenses. These factors and possible differences in
calculation methods should be considered when comparing a Fund's investment
results with those published for other investment companies, other investment
vehicles and unmanaged indices. Each Fund's results also should be considered
relative to the risks associated with its investment objective and policies. See
"Investment Results" in the Statement of Additional Information.
 
Each Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and
    
 
                               Prospectus Page 42
<PAGE>
                             GT GLOBAL THEME FUNDS
   
the year 2000. This inability, if not corrected, could adversely affect the
services AIM Distributors, the Transfer Agent and the Sub-adviser and others
provide the GT Global Mutual Funds and their shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on AIM, which AIM,
AIM Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Funds are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM and maintains offices
at California Plaza, 2121 N. California Boulevard, Suite 450, Walnut Creek, CA
94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110, is custodian of the assets of the Theme Portfolios.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and to the
Theme Portfolios. Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-
adviser and the Transfer Agent in connection with other matters.
    
 
   
INDEPENDENT ACCOUNTANTS. The Theme Portfolios' independent accountants are
                        , One Post Office Square, Boston, MA 02109.
                        conducts an annual audit of the Funds and Portfolios,
assists in the preparation of the Funds' and Portfolios' federal and state
income tax returns and consults with the Company and the Funds and the
Portfolios as to matters of accounting, regulatory filings, and federal and
state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 43
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
                                GT GLOBAL FUNDS
    
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS. FOR MORE INFORMATION AND A PROSPECTUS ON ANY GT GLOBAL FUND,
  INCLUDING FEES, EXPENSES AND THE RISKS OF GLOBAL AND EMERGING MARKET
  INVESTING AND THE RISKS OF INVESTING IN A CONCENTRATION OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER OR CALL AIM DISTRIBUTORS DIRECTLY AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED IN THIS
  PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY G.T. INVESTMENT FUNDS, GT
  GLOBAL FINANCIAL SERVICES FUND, GLOBAL FINANCIAL SERVICES PORTFOLIO, GT
  GLOBAL INFRASTRUCTURE FUND, GLOBAL INFRASTRUCTURE PORTFOLIO, GT GLOBAL
  NATURAL RESOURCES FUND, GLOBAL NATURAL RESOURCES PORTFOLIO, GT GLOBAL
  CONSUMER PRODUCTS AND SERVICES FUND, GLOBAL CONSUMER PRODUCTS AND SERVICES
  PORTFOLIO, GT GLOBAL HEALTH CARE FUND, GT GLOBAL TELECOMMUNICATIONS FUND,
  A I M ADVISORS, INC., [CHANCELLOR LGT ASSET MANAGEMENT, INC.] OR A I M
  DISTRIBUTORS, INC. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
   
                                                                   THEPV803001MC
    
<PAGE>
                            GT GLOBAL INCOME FUNDS:
                                 ADVISOR CLASS
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
GT GLOBAL GOVERNMENT INCOME FUND ("GOVERNMENT INCOME FUND") seeks a high level
of current income by investing primarily in high quality U.S. and foreign
government debt securities. The Fund's secondary objectives are capital
appreciation and protection of principal through active management of its
maturity structure and currency exposure.
 
GT GLOBAL STRATEGIC INCOME FUND ("STRATEGIC INCOME FUND") primarily seeks high
current income and secondarily seeks capital appreciation. The Fund allocates
its assets among debt securities of issuers in: (1) the United States; (2)
developed foreign countries; and (3) emerging markets.
 
GT GLOBAL HIGH INCOME FUND ("HIGH INCOME FUND") primarily seeks high current
income and secondarily seeks capital appreciation by investing all of its
investable assets in the Global High Income Portfolio ("Portfolio"), which, in
turn, invests primarily in the debt securities of issuers located in emerging
markets. The Portfolio's investment objectives are identical to those of the
Fund.
 
There can be no assurance that any Fund or the Portfolio will achieve its
investment objectives. The investment experience of the High Income Fund will
correspond directly with the investment experience of the Portfolio.
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
   
The Funds and the Portfolio are managed by A I M Advisors, Inc. ("AIM") and are
sub-advised and sub-administered by [Chancellor GT Asset Management, Inc.] (the
"Sub-adviser"). AIM and the Sub-adviser and their worldwide asset management
affiliates provide investment management and/or administrative services to
institutional, corporate and individual clients around the world. AIM and the
Sub-adviser are both indirect wholly owned subsidiaries of AMVESCAP PLC.
AMVESCAP PLC and its subsidiaries are an independent investment management group
that has a significant presence in the institutional and retail segment of the
investment management industry in North America and Europe, and a growing
presence in Asia.
    
 
The Funds are designed for long-term investors and not as trading vehicles, do
not represent a complete investment program and are not suitable for all
investors. An investment in any of the Funds involves risk factors that should
be reviewed carefully by potential investors. The Strategic Income Fund and the
Portfolio both are authorized to borrow money for investment purposes, which
would increase the volatility of their performance and involves additional
risks. See "Investment Objectives and Policies" and "Risk Factors."
THE STRATEGIC INCOME FUND INVESTS UP TO 50% OF ITS TOTAL ASSETS, AND THE
PORTFOLIO INVESTS UP TO 100% OF ITS TOTAL ASSETS, IN LOWER QUALITY AND UNRATED
FOREIGN GOVERNMENT BONDS WHOSE CREDIT QUALITY IS GENERALLY CONSIDERED THE
EQUIVALENT OF U.S. CORPORATE DEBT SECURITIES COMMONLY KNOWN AS "JUNK BONDS."
INVESTMENTS OF THIS TYPE ARE SUBJECT TO A GREATER RISK OF LOSS OF PRINCIPAL AND
INTEREST. PURCHASERS SHOULD CAREFULLY ASSESS THE RISKS ASSOCIATED WITH AN
INVESTMENT IN THESE FUNDS. SEE "INVESTMENT OBJECTIVES AND POLICIES" AND "RISK
FACTORS."
 
Shares offered by this Prospectus are available for purchase only by certain
investors and are offered at net asset value without the imposition of a front-
end or contingent deferred sales charge or Rule 12b-1 fees.
 
   
This Prospectus sets forth concisely information an investor should know before
investing and should be read carefully and retained for future reference. A
Statement of Additional Information, dated June 1, 1998, has been filed with the
Securities and Exchange Commission ("SEC") and, as supplemented or amended from
time to time, is incorporated herein by reference. The Statement of Additional
Information is available without charge by writing to the Funds at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling (800) 824-1580. It is
also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
   
FOR FURTHER INFORMATION, CALL [(800) 824-1580] OR CONTACT YOUR FINANCIAL
ADVISER.
    
 
- --------------------------------------------------------------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
   PASSED ON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.
              ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          6
Investment Objectives and Policies........................................................         12
Risk Factors..............................................................................         21
How to Invest.............................................................................         27
How to Make Exchanges.....................................................................         29
How to Redeem Shares......................................................................         31
Shareholder Account Manual................................................................         32
Calculation of Net Asset Value............................................................         33
Dividends, Other Distributions and Federal Income Taxation................................         34
Management................................................................................         35
Other Information.........................................................................         38
Appendix A -- Description of Debt Ratings.................................................         42
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Funds and the Portfolio:   Each Fund is a non-diversified series of G.T. Investment Funds
                               (the "Company"). The Portfolio is a non-diversified, open-end
                               management investment company.
Investment Objectives:         The Government Income Fund primarily seeks high current income and
                               secondarily seeks capital appreciation and protection of
                               principal. The Strategic Income Fund and the High Income Fund
                               primarily seek high current income and secondarily seek capital
                               appreciation.
Principal Investments:         The Government Income Fund invests primarily in high quality U.S.
                               and foreign government debt obligations.
                               The Strategic Income Fund allocates its assets among debt
                               securities of issuers in: (1) the United States; (2) developed
                               foreign countries; and (3) emerging markets, and selects
                               particular securities in each sector based on their relative
                               investment merit.
                               The High Income Fund invests all of its investable assets in the
                               Portfolio, which, in turn, invests primarily in debt securities of
                               issuers located in emerging markets.
Principal Risk Factors:        There is no assurance that the Funds or the Portfolio will achieve
                               their investment objectives. Each Fund's net asset value will
                               fluctuate, reflecting fluctuations in the market value of its or
                               its corresponding Portfolio's portfolio holdings. The value of
                               debt securities held by the Government Income Fund, Strategic
                               Income Fund and Portfolio generally fluctuates with interest rate
                               movements.
                               The Government Income Fund, Strategic Income Fund and Portfolio
                               will invest in foreign securities. Investments in foreign
                               securities involve risks relating to political and economic
                               developments abroad and the differences between the regulations to
                               which U.S. and foreign issuers are subject. Individual foreign
                               economies also may differ favorably or unfavorably from the U.S.
                               economy. Changes in foreign currency exchange rates will affect a
                               Fund's or the Portfolio's net asset value, earnings and gains and
                               losses realized on sales of securities. Securities of foreign
                               companies may be less liquid and their prices more volatile than
                               those of securities of comparable U.S. companies. The Portfolio
                               will normally invest at least 65% of its total assets in debt
                               securities of issuers in emerging markets and the Strategic Income
                               Fund may invest in such securities. Such investments entail
                               greater risk than investing in securities of issuers in developed
                               markets.
                               The Government Income Fund, Strategic Income Fund and Portfolio
                               may engage in certain foreign currency, options and futures
                               transactions to attempt to hedge against the overall level of
                               investment and currency risk associated with its present or
                               planned investments. Such transactions involve certain risks and
                               transaction costs.
                               The Strategic Income Fund may invest up to 50% of its total
                               assets, and the Portfolio may invest up to 100% of its total
                               assets, in debt securities rated below investment grade or, if not
                               rated, determined by the Sub-adviser to be of comparable quality.
                               Investments of this type are subject to greater risk of loss of
                               principal and interest.
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               See "Investment Objectives and Policies" and "Risk Factors."
                               AIM and the Sub-adviser and their worldwide asset management
Investment Managers:           affiliates provide investment management and/or administrative
                               services to institutional, corporate and individual clients around
                               the world. AIM and the Sub-adviser are both indirect wholly owned
                               subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its subsidiaries
                               are an independent investment management group that has a
                               significant presence in the institutional and retail segment of
                               the investment management industry in North America and Europe,
                               and a growing presence in Asia. AIM was organized in 1976 and,
                               together with its affiliates, currently advises [over 50]
                               investment company portfolios. On             , 1998, AMVESCAP PLC
                               acquired the Asset Management Division of Liechtenstein Global
                               Trust AG ("GT"), which included the Sub-adviser and certain other
                               affiliates.
                               Advisor Class shares are offered through a separate Prospectus to
Advisor Class Shares:          [(a) trustees or other fiduciaries purchasing shares for employee
                               benefit plans which are sponsored by organizations which have at
                               least 1,000 employees; (b) any account with assets of at least
                               $10,000 if (i) a financial planner, trust company, bank trust
                               department or registered investment adviser has investment
                               discretion over such account, and (ii) the account holder pays
                               such person as compensation for its advice and other services an
                               annual fee of at least .50% on the assets in the account; (c) any
                               account with assets of a least $10,000 if (i) such account is
                               established under a "wrap fee" program, and (ii) the account
                               holder pays the sponsor of such program an annual fee of at least
                               .50% on the assets in the account; (d) accounts advised by one of
                               the companies composing or affiliated with AMVESCAP PLC; (e) any
                               of the companies composing or affiliated with AMVESCAP PLC; and
                               (f) GT Global New Dimension Fund.]
Shares Available Through:      Advisor Class shares of each Fund are available through Financial
                               Advisers (as defined herein) that have entered into agreements
                               with the Funds' distributor, A I M Distributors, Inc. ("AIM
                               Distributors") or certain of its affiliates. Shares also may be
                               acquired by sending an application directly to GT Global Investor
                               Services, Inc. (the "Transfer Agent") or through exchanges of
                               shares as described below. See "How to Invest" and "Shareholder
                               Account Manual."
Exchange Privileges:           Advisor Class shares may only be exchanged for Advisor Class
                               shares of the other GT Global Mutual Funds, which are open-end
                               management investment companies sub-advised by the Sub-adviser.
                               See "How to Make Exchanges" and "Shareholder Account Manual."
Redemptions:                   Shares may be redeemed through the Transfer Agent. See "How to Re-
                               deem Shares" and "Shareholder Account Manual."
Dividends and Other            Dividends are paid monthly from net investment income; other
  Distributions:               distributions are paid annually from net short term capital gain,
                               net capital gain and net gains from foreign currency transactions,
                               if any.
 
Reinvestment:                  Dividends and other distributions may be reinvested automatically
                               in Advisor Class shares of the distributing Fund or in Advisor
                               Class shares of other GT Global Mutual Funds.
</TABLE>
    
 
                               Prospectus Page 4
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Advisor Class shares of the Funds are reflected in the
following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                              GOVERNMENT        STRATEGIC       HIGH INCOME
                                                                              INCOME FUND      INCOME FUND         FUND
                                                                            ---------------  ---------------  ---------------
                                                                             ADVISOR CLASS    ADVISOR CLASS    ADVISOR CLASS
                                                                            ---------------  ---------------  ---------------
<S>                                                                         <C>              <C>              <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases of shares (as a % of offering
   price).................................................................          None             None             None
  Sales charges on reinvested distributions to shareholders...............          None             None             None
  Maximum deferred sales charge (as a % of net asset value at time of
   purchase or sale, whichever is less)...................................          None             None             None
  Redemption charges......................................................          None             None             None
  Exchange fees...........................................................          None             None             None
 
ANNUAL FUND OPERATING EXPENSES (2):
 (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees...........................         0.73%            0.73%            0.90%
  12b-1 distribution and service fees.....................................          None             None             None
  Other expenses..........................................................         0.43%            0.36%            0.33%
                                                                                  ------           ------           ------
  Total Fund Operating Expenses...........................................         1.16%            1.09%            1.23%
                                                                                  ------           ------           ------
                                                                                  ------           ------           ------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Funds, assuming a 5%
annual return:
 
<TABLE>
<CAPTION>
                                                                 ONE YEAR     THREE YEARS     FIVE YEARS     TEN YEARS
                                                                  -----          ------         -----          -----
<S>                                                            <C>            <C>            <C>            <C>
  Government Income Fund
  Advisor Class Shares......................................   $        12    $        37    $        64    $       142
  Strategic Income Fund
  Advisor Class Shares......................................   $        11    $        35    $        60    $       133
  High Income Fund
  Advisor Class Shares......................................   $        13    $        39    $        68    $       150
</TABLE>
 
- ------------------------------
 
   
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN A FUND. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUNDS' AND
    THE PORTFOLIO'S ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT
    EXPENSES, MAY BE MORE OR LESS THAN THOSE SHOWN. The tables and the
    assumption in the Hypothetical Example of a 5% annual return are required by
    regulation of the SEC applicable to all mutual funds; the 5% annual return
    is not a prediction of and does not represent the Funds' or the Portfolio's
    projected or actual performance.
    
 
   
(2) Expenses are based on the Funds' fiscal year ended October 31, 1997. "Other
    expenses" include custody, transfer agent, legal, audit and other operating
    expenses. See "Management" herein and the Statement of Additional
    Information for more information. Investors purchasing Advisor Class shares
    through financial planners, trust companies, bank trust departments or
    registered investment advisers, or under a "wrap fee" program, will be
    subject to additional fees charged by such entities or by the sponsors of
    such programs. Where any account advised by one of the companies composing
    or affiliated with AMVESCAP PLC invests in Advisor Class shares of a Fund,
    such account shall not be subject to duplicative advisory fees. The Board of
    Trustees of the Company believes that the aggregate per share expenses of
    the High Income Fund and the Portfolio will be less than or approximately
    equal to the expenses which the Fund would incur if the assets of that Fund
    were invested directly in the type of securities being held by the
    Portfolio.
    
 
                               Prospectus Page 5
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Advisor Class share of each Fund for the
periods shown. For the period March 29, 1988 (commencement of operations) to
October 21, 1992, the Strategic Income Fund was named G.T. Global Bond Fund and
operated under different investment objectives, policies and limitations. This
information is supplemented by the financial statements and accompanying notes
appearing in the Statement of Additional Information. The financial statements
and notes for fiscal year ended October 31, 1997 have been audited by
                            independent accountants, whose report thereon also
is included in the Statement of Additional Information.
    
 
                             GOVERNMENT INCOME FUND
 
<TABLE>
<CAPTION>
                                                        CLASS A+
                      ----------------------------------------------------------------------------
                                                  YEAR ENDED OCT. 31,
                      ----------------------------------------------------------------------------
                      1997(C)     1996      1995(c)   1994(c)     1993(c)       1992        1991
                      --------  --------    --------  --------    --------    --------    --------
<S>                   <C>       <C>         <C>       <C>         <C>         <C>         <C>
Per Share Operating
 Performance:
Net asset value,
 beginning of
 period.............  $   8.74  $   8.81    $   8.63  $  11.07    $   9.83    $  10.29    $  10.46
                      --------  --------    --------  --------    --------    --------    --------
Income from
 investment
 operations:
  Net investment
   income...........      0.52      0.57        0.62      0.65        0.74        0.92        0.99
  Net realized and
   unrealized gain
   (loss) on
   investments......     (0.13)     0.03        0.15     (1.52)       1.34       (0.31)      (0.07)
                      --------  --------    --------  --------    --------    --------    --------
    Net increase
     (decrease) from
     investment
     operations.....      0.39      0.60        0.77     (0.87)       2.08        0.61        0.92
                      --------  --------    --------  --------    --------    --------    --------
Distributions:
  From net
   investment
   income...........     (0.31)    (0.57)      (0.59)    (0.65)      (0.74)      (0.83)      (1.00)
  From net realized
   gain on
   investments......        --     (0.10)         --     (0.27)         --       (0.13)      (0.09)
  In excess of net
   investment
   income...........     (0.20)       --          --        --          --          --          --
  In excess of net
   realized gain on
   investments......        --        --          --     (0.55)         --          --          --
  Return of
   capital..........        --        --          --     (0.10)         --          --          --
  From sources other
   than net
   investment
   income...........        --        --          --        --       (0.10)      (0.11)         --
                      --------  --------    --------  --------    --------    --------    --------
    Total
    distributions...     (0.51)    (0.67)      (0.59)    (1.57)      (0.84)      (1.07)      (1.09)
                      --------  --------    --------  --------    --------    --------    --------
Net asset value, end
 of period..........  $   8.62  $   8.74    $   8.81  $   8.63    $  11.07    $   9.83    $  10.29
                      --------  --------    --------  --------    --------    --------    --------
                      --------  --------    --------  --------    --------    --------    --------
Total investment
 return (d).........     4.78%     7.11%       9.22%   (8.87)%       21.9%        6.3%        9.4%
Ratios and
 supplemental data:
Net assets, end of
 period (in
 000's).............  $154,272  $240,945    $385,404  $502,094    $708,301    $623,387    $399,200
Ratio of net
 investment income
 to average net
 assets.............     6.04%     6.52%       6.98%     6.87%        7.1%        9.0%        9.5%
Ratio of expenses to
 average net assets:
  With expense
   reductions.......     1.34%     1.34%       1.35%     1.33%        1.4%        1.6%        1.6%
  Without expense
   reductions.......     1.51%     1.39%       1.38%       N/A         N/A         N/A         N/A
Portfolio turnover
 rate ++++..........      241%      268%        385%      625%        495%        351%        326%
</TABLE>
 
- ------------------------------
 
+    All capital shares issued and outstanding as of October 21, 1992 were
     reclassified as Class A shares.
 
+++  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++++ Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
 
   
*    Net of $0.01 per share of Fund operating expenses reimbursed by the
     Sub-adviser.
    
 
(a)  Not annualized.
 
(b)  Annualized.
 
(c)  These selected per share data were calculated based upon average shares
     outstanding during the period.
 
(d)  Total investment return does not include sales charges.
 
N/A  Not Applicable.
 
                               Prospectus Page 6
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             GOVERNMENT INCOME FUND
                                  (CONTINUED)
<TABLE>
<CAPTION>
                                                                                   CLASS A+                     ADVISOR CLASS+++
                                                                   -----------------------------------------  --------------------
                                                                                            MARCH 29, 1988
                                                                                             (COMMENCEMENT    YEAR ENDED OCT. 31,
                                                                    YEAR ENDED OCT. 31,           OF
                                                                   ----------------------  OF OPERATIONS) TO  --------------------
                                                                      1990        1989       OCT. 31, 1988      1997       1996
                                                                   ----------  ----------  -----------------  ---------  ---------
<S>                                                                <C>         <C>         <C>                <C>        <C>
Per Share Operating Performance:
Net asset value, beginning of period.............................  $    10.45  $    10.86      $   11.43      $    8.73  $    8.80
                                                                   ----------  ----------       --------      ---------  ---------
Income from investment operations:
  Net investment income..........................................        1.18        1.15           0.49*          0.55       0.60
  Net realized and unrealized gain (loss) on investments.........       (0.02)      (0.35)        (0.44)          (0.13)      0.03
                                                                   ----------  ----------       --------      ---------  ---------
    Net increase (decrease) from investment operations...........        1.16        0.80           0.05           0.42       0.63
                                                                   ----------  ----------       --------      ---------  ---------
Distributions:
  From net investment income.....................................       (1.15)      (1.20)        (0.49)          (0.33)    (0.60)
  From net realized gain on investments..........................          --          --         (0.12)             --     (0.10)
  In excess of net investment income.............................          --          --             --          (0.21)        --
  In excess of net realized gain on investments..................          --          --             --             --         --
  Return of capital..............................................          --          --             --             --         --
  From sources other than net investment income..................          --       (0.01)        (0.01)             --         --
                                                                   ----------  ----------       --------      ---------  ---------
    Total distributions..........................................       (1.15)      (1.21)        (0.62)          (0.54)    (0.70)
                                                                   ----------  ----------       --------      ---------  ---------
Net asset value, end of period...................................  $    10.46  $    10.45      $   10.86      $    8.61  $    8.73
                                                                   ----------  ----------       --------      ---------  ---------
                                                                   ----------  ----------       --------      ---------  ---------
Total investment return (d)......................................       11.9%        7.2%          1.10%(a)       5.15%      7.49%
Ratios and supplemental data:
Net assets, end of period (in 000's).............................  $  259,726  $  122,526      $  57,063      $     116  $      86
Ratio of net investment income to average net assets.............       11.4%       10.7%          7.41%*(b)      6.39%      6.87%
Ratio of expenses to average net assets:
  With expense reductions........................................        1.8%        1.7%          1.80%*(b)      0.99%      0.99%
  Without expense reductions.....................................         N/A         N/A            N/A          1.16%      1.04%
Portfolio turnover rate ++++.....................................        334%        413%           291%(b)        241%       268%
 
<CAPTION>
 
                                                                   JUNE 1, 1995
                                                                        TO
                                                                     OCT. 31,
                                                                      1995(c)
                                                                   -------------
<S>                                                                <C>
Per Share Operating Performance:
Net asset value, beginning of period.............................    $    8.98
                                                                   -------------
Income from investment operations:
  Net investment income..........................................         0.26
  Net realized and unrealized gain (loss) on investments.........       (0.19)
                                                                   -------------
    Net increase (decrease) from investment operations...........         0.07
                                                                   -------------
Distributions:
  From net investment income.....................................       (0.25)
  From net realized gain on investments..........................           --
  In excess of net investment income.............................           --
  In excess of net realized gain on investments..................           --
  Return of capital..............................................           --
  From sources other than net investment income..................           --
                                                                   -------------
    Total distributions..........................................       (0.25)
                                                                   -------------
Net asset value, end of period...................................    $    8.80
                                                                   -------------
                                                                   -------------
Total investment return (d)......................................        0.83%(a)
Ratios and supplemental data:
Net assets, end of period (in 000's).............................    $     131
Ratio of net investment income to average net assets.............        7.33%(b)
Ratio of expenses to average net assets:
  With expense reductions........................................        1.00%(b)
  Without expense reductions.....................................        1.03%(b)
Portfolio turnover rate ++++.....................................         385%
</TABLE>
 
- ------------------------------
 
+    All capital shares issued and outstanding as of October 21, 1992 were
     reclassified as Class A shares.
 
+++  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++++ Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
 
   
*    Net of $0.01 per share of Fund operating expenses reimbursed by the
     Sub-adviser.
    
 
(a)  Not annualized.
 
(b)  Annualized.
 
(c)  These selected per share data were calculated based upon shares outstanding
     during the period.
 
(d)  Total investment return does not include sales charges.
 
N/A  Not Applicable.
 
                       ----------------------------------
 
   
<TABLE>
<CAPTION>
                                                   AVERAGE MONTHLY     AVERAGE MONTHLY
                                                   AMOUNT OF DEBT         NUMBER OF        AVERAGE AMOUNT
                                 AMOUNT OF DEBT      OUTSTANDING     REGISTRANT'S SHARES     OF DEBT PER
                                 OUTSTANDING AT      DURING THE          OUTSTANDING        SHARE DURING
YEAR ENDED                       END OF PERIOD         PERIOD         DURING THE PERIOD      THE PERIOD
- ------------------------------  ----------------  -----------------  -------------------  -----------------
<S>                             <C>               <C>                <C>                  <C>
October 31, 1997..............    $  4,451,000      $   1,616,315          38,476,908         $  0.0420
</TABLE>
    
 
                               Prospectus Page 7
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             STRATEGIC INCOME FUND
 
<TABLE>
<CAPTION>
                                                      CLASS A+
                      ------------------------------------------------------------------------
                                                YEAR ENDED OCT. 31,
                      ------------------------------------------------------------------------
                        1997    1996(c)   1995(c)     1994      1993(c)      1992       1991
                      --------  --------  --------  --------    --------    -------    -------
<S>                   <C>       <C>       <C>       <C>         <C>         <C>        <C>
Per Share Operating
 Performance:
Net asset value,
 beginning of
 period.............  $  11.76  $  10.32  $  10.88  $  13.61    $  11.25    $ 10.91    $ 11.20
                      --------  --------  --------  --------    --------    -------    -------
Income from
 investment
 operations:
  Net investment
   income...........      0.74      0.89      0.97      0.79        0.96       0.86       0.84*
  Net realized and
   unrealized gain
   (loss) on
   investments......      0.34      1.44     (0.69)    (2.14)       2.85       0.31      (0.02)
                      --------  --------  --------  --------    --------    -------    -------
    Net increase
     (decrease) from
     investment
     operations.....      1.08      2.33      0.28     (1.35)       3.81       1.17       0.82
                      --------  --------  --------  --------    --------    -------    -------
Distributions:
  From net
   investment
   income...........     (0.78)    (0.82)    (0.80)    (0.79)      (0.96)     (0.83)     (0.60)
  From net realized
   gain on
   investments......        --        --        --     (0.38)      (0.37)        --      (0.51)
  In excess of net
   investment
   income...........     (0.06)    (0.07)       --        --          --         --         --
  Return of
   capital..........        --        --     (0.04)    (0.21)         --         --         --
  From sources other
   than net
   investment
   income...........        --        --        --        --       (0.12)        --         --
                      --------  --------  --------  --------    --------    -------    -------
    Total
    distributions...     (0.84)    (0.89)    (0.84)    (1.38)      (1.45)     (0.83)     (1.11)
                      --------  --------  --------  --------    --------    -------    -------
Net asset value, end
 of period..........  $  12.00  $  11.76  $  10.32  $  10.88    $  13.61    $ 11.25    $ 10.91
                      --------  --------  --------  --------    --------    -------    -------
                      --------  --------  --------  --------    --------    -------    -------
Total investment
 return (d).........     9.40%    23.00%     3.06%  (10.44)%       37.0%      11.1%       7.7%
Ratios and
 supplemental data:
Net assets, end of
 period (in
 000's).............  $138,715  $185,126  $188,165  $275,241    $287,870    $83,849    $55,967
Ratio of net
 investment income
 to average net
 assets.............     6.18%     8.09%     9.64%     6.74%        7.2%       7.6%       7.2%*
Ratio of expenses to
 average net assets:
  With expense
   reductions.......     1.35%     1.38%     1.42%     1.40%        1.7%       1.8%       1.9%*
  Without expense
   reductions.......     1.44%     1.40%     1.45%       N/A         N/A        N/A        N/A
Ratio of interest
 expenses to average
 net assets.........       N/A       N/A       N/A     0.10%         N/A        N/A        N/A
Portfolio turnover
 rate +++...........      149%      177%      238%      583%        310%       418%       630%
</TABLE>
 
- ------------------------------
 
+   All capital shares issued and outstanding as of October 21, 1992 were
    reclassified as Class A shares.
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.01, $0.04, $0.02 and 0.05 for the year ended October 31, 1991, 1990, 1989
    and 1988, respectively. Without such reimbursements, the expense ratios
    would have been 1.92%, 2.20%, 2.02% and 2.42% and the ratio of net
    investment income to average net assets would have been 7.16%, 9.26%, 7.56%
    and 6.42% for the year ended October 31, 1991, 1990, 1989 and 1988,
    respectively.
    
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
(e) Annualized.
 
N/A Not Applicable.
 
                               Prospectus Page 8
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             STRATEGIC INCOME FUND
                                    (CONTINUED)
 
<TABLE>
<CAPTION>
                                              CLASS A+                          ADVISOR CLASS**
                                  --------------------------------   --------------------------------------
                                                        MARCH 29,
                                                           1988
                                                        (COMMENCEMENT
                                   YEAR ENDED OCT.          OF         YEAR ENDED OCT. 31,       JUNE 1,
                                         31,            OPERATIONS)                              1995 TO
                                  ------------------     TO OCT.     -----------------------     OCT. 31,
                                   1990       1989       31, 1988      1997         1996         1995(c)
                                  -------    -------    ----------   --------    -----------   ------------
<S>                               <C>        <C>        <C>          <C>         <C>           <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................    $ 11.17    $ 11.25     $ 11.43     $  11.77      $   10.33      $10.32
                                  -------    -------    ----------   --------    -----------   ------------
Income from investment
 operations:
  Net investment income.......       1.04*      0.82*       0.45*        0.79           0.93        0.41
  Net realized and unrealized
   gain (loss) on
   investments................      (0.17)     (0.10)     (0.24)         0.34           1.44      (0.04)
                                  -------    -------    ----------   --------    -----------   ------------
    Net increase (decrease)
     from investment
     operations...............       0.87       0.72        0.21         1.13           2.37        0.37
Distributions:
  From net investment
   income.....................      (0.84)     (0.80)     (0.39)        (0.82)        (0.86)      (0.34)
  From net realized gain on
   investments................         --         --          --           --             --          --
  In excess of net investment
   income.....................         --         --          --        (0.06)        (0.07)          --
  Return of capital...........         --         --          --           --             --      (0.02)
  From sources other than net
   investment income..........         --         --          --           --             --          --
                                  -------    -------    ----------   --------    -----------   ------------
    Total distributions.......      (0.84)     (0.80)     (0.39)        (0.88)        (0.93)      (0.36)
                                  -------    -------    ----------   --------    -----------   ------------
Net asset value, end of
 period.......................    $ 11.20    $ 11.17     $ 11.25     $  12.02      $   11.77      $10.33
                                  -------    -------    ----------   --------    -----------   ------------
                                  -------    -------    ----------   --------    -----------   ------------
Total investment return (d)...       8.3%       6.8%       1.20%(a)     9.86%         23.39%       3.72%(a)
Ratios and supplemental data:
  Net assets, end of period
   (in 000's).................    $44,545    $37,820     $21,830     $    533      $     479      $  443
  Ratio of net investment
   income to average net
   assets.....................       9.6%*      7.7%*      7.22%*(e)    6.53%          8.44%       9.99%(e)
Ratio of expenses to average
 net assets:
  With expense reductions.....       1.9%*      1.8%*      1.70%*(e)    1.00%          1.03%       1.07%(e)
  Without expense
   reductions.................        N/A        N/A         N/A        1.09%          1.05%       1.10%(e)
Ratio of interest expenses to
 average net assets...........        N/A        N/A         N/A          N/A            N/A         N/A
Portfolio turnover rate +++...       501%       385%        340%         149%           177%        238%
</TABLE>
 
- ------------------------------
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.01, $0.04, $0.02 and 0.05 for the year ended October 31, 1991, 1990, 1989
    and 1988, respectively. Without such reimbursements, the expense ratios
    would have been 1.92%, 2.20%, 2.02% and 2.42% and the ratio of net
    investment income to average net assets would have been 7.16%, 9.26%, 7.56%
    and 6.42% for the year ended October 31, 1991, 1990, 1989 and 1988,
    respectively.
    
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
(e) Annualized.
 
N/A Not Applicable.
 
                       ----------------------------------
 
   
<TABLE>
<CAPTION>
                                                   AVERAGE MONTHLY     AVERAGE MONTHLY
                                                   AMOUNT OF DEBT         NUMBER OF        AVERAGE AMOUNT
                                 AMOUNT OF DEBT      OUTSTANDING     REGISTRANT'S SHARES     OF DEBT PER
                                 OUTSTANDING AT      DURING THE          OUTSTANDING        SHARE DURING
YEAR ENDED                       END OF PERIOD         PERIOD         DURING THE PERIOD      THE PERIOD
- ------------------------------  ----------------  -----------------  -------------------  -----------------
<S>                             <C>               <C>                <C>                  <C>
October 31, 1997..............         --           $   3,575,910          39,263,038         $  0.0911
</TABLE>
    
 
                               Prospectus Page 9
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                HIGH INCOME FUND
 
<TABLE>
<CAPTION>
                                                             CLASS A
                                ------------------------------------------------------------------
                                                                                   OCT. 22, 1992
                                                                                   (COMMENCEMENT
                                              YEAR ENDED OCT. 31,                  OF OPERATIONS)
                                ------------------------------------------------         TO
                                  1997      1996      1995      1994    1993(c)    OCT. 31, 1992
                                --------  --------  --------  --------  --------  ----------------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 year.........................  $  14.85  $  11.70  $  12.56  $  14.92  $  11.43       $11.43
                                --------  --------  --------  --------  --------      -------
Income from investment
 operations:
  Net investment income.......      1.19      1.27      1.35      0.94      0.78           --
  Net realized and unrealized
   gain (loss) on
   investments................      0.93      3.09     (1.09)    (1.87)     3.92           --
                                --------  --------  --------  --------  --------      -------
    Net increase (decrease)
     from investment
     operations...............      2.12      4.36      0.26     (0.93)     4.70           --
                                --------  --------  --------  --------  --------      -------
Distributions:
  From net investment
   income.....................     (1.18)    (1.11)    (1.03)    (0.94)    (0.78)          --
  From net realized gain on
   investments................     (0.23)    (0.10)    (0.03)    (0.27)       --           --
  In excess of net realized
   gain on investments........        --        --        --     (0.22)       --           --
  From sources other than net
   investment income..........        --        --        --        --     (0.43)          --
  Return of capital...........        --        --     (0.06)       --        --           --
                                --------  --------  --------  --------  --------      -------
    Total distributions.......     (1.41)    (1.21)    (1.12)    (1.43)    (1.21)          --
                                --------  --------  --------  --------  --------      -------
Net asset value, end of
 year.........................  $  15.56  $  14.85  $  11.70  $  12.56  $  14.92       $11.43
                                --------  --------  --------  --------  --------      -------
                                --------  --------  --------  --------  --------      -------
Total investment return (e)...    14.46%    39.05%     2.81%   (6.45)%     43.6%         0.0%(b)
                                --------  --------  --------  --------  --------      -------
                                --------  --------  --------  --------  --------      -------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $133,973  $178,318  $142,002  $167,974  $143,171       $  207
Ratio of net investment income
 (loss) to average net
 assets.......................     7.39%     9.52%    11.85%     7.00%      6.4%          N/A(d)
 
Ratio of operating expenses to
 average net assets:
  With expense reductions.....     1.53%     1.69%     1.75%     1.57%     2.20%       N/A(d)
  Without expense
   reductions.................     1.58%     1.69%     1.75%     1.57%     2.20%       N/A(d)
Ratio of interest expense to
 average net assets...........       N/A     0.04%       N/A     0.22%       N/A          N/A
Portfolio turnover rate (f)...      214%      290%       --%       --%       --%          --%
</TABLE>
 
- ------------------------------
 
(a) Annualized.
 
(b) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    during the year.
 
(d) Ratios are not meaningful due to short period of operation.
 
(e) Total investment return does not include sales charges.
 
(f)  The Fund invests only in the Portfolio and does not engage in securities
    transactions. Accordingly, the portfolio turnover rates presented are for
    the Portfolio.
 
N/A Not Applicable.
 
                               Prospectus Page 10
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                HIGH INCOME FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                           ADVISOR CLASS**
                                -------------------------------------
                                     YEAR ENDED
                                      OCT. 31,          JUNE 1, 1995
                                ---------------------        TO
                                  1997       1996       OCT. 31, 1995
                                --------  -----------   -------------
<S>                             <C>       <C>           <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 year.........................  $  14.83    $   11.71      $11.44
                                --------  -----------   -------------
Income from investment
 operations:
  Net investment income.......      1.22         1.34        0.57
  Net realized and unrealized
   gain (loss) on
   investments................      0.93         3.05        0.17
                                --------  -----------   -------------
    Net increase (decrease)
     from investment
     operations...............      2.15         4.39        0.74
                                --------  -----------   -------------
Distributions:
  From net investment
   income.....................     (1.23)      (1.16)      (0.44)
  From net realized gain on
   investments................     (0.23)      (0.11)          --
  In excess of net realized
   gain on investments........        --           --          --
  From sources other than net
   investment income..........        --           --          --
  Return of capital...........        --           --      (0.03)
                                --------  -----------   -------------
    Total distributions.......     (1.46)      (1.27)      (0.47)
                                --------  -----------   -------------
Net asset value, end of
 year.........................  $  15.52    $   14.83      $11.71
                                --------  -----------   -------------
                                --------  -----------   -------------
Total investment return (e)...    14.72%       39.38%       6.54%(b)
                                --------  -----------   -------------
                                --------  -----------   -------------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $  3,719    $  15,298      $1,463
Ratio of net investment income
 (loss) to average net
 assets.......................     7.74%        9.87%      12.20%(a)
Ratio of operating expenses to
 average net assets:
  With expense reductions.....     1.18%        1.34%       1.40%(a)
  Without expense
   reductions.................     1.23%        1.34%       1.40%
Ratio of interest expense to
 average net assets...........       N/A        0.04%         N/A
Portfolio turnover rate (f)...      214%         290%        213%(a)
</TABLE>
 
- ------------------------------
 
(a) Annualized.
 
(b) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    during the year.
 
(d) Ratios are not meaningful due to short period of operation.
 
(e) Total investment return does not include sales charges.
 
(f)  The Fund invests only in the Portfolio and does not engage in securities
    transactions. Accordingly, the portfolio turnover rates presented are for
    the Portfolio.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
N/A Not Applicable.
 
                       ----------------------------------
 
   
<TABLE>
<CAPTION>
                                                   AVERAGE MONTHLY     AVERAGE MONTHLY
                                                   AMOUNT OF DEBT         NUMBER OF        AVERAGE AMOUNT
                                 AMOUNT OF DEBT      OUTSTANDING     REGISTRANT'S SHARES     OF DEBT PER
                                 OUTSTANDING AT      DURING THE          OUTSTANDING        SHARE DURING
YEAR ENDED                       END OF PERIOD         PERIOD         DURING THE PERIOD      THE PERIOD
- ------------------------------  ----------------  -----------------  -------------------  -----------------
<S>                             <C>               <C>                <C>                  <C>
October 31, 1997..............         --           $   2,526,057          28,093,475         $  0.0899
October 31, 1996..............         --               2,431,693          30,732,727            0.0791
October 31, 1995..............         --                      --                  --                --
October 31, 1994..............         --              14,109,589          26,707,829            0.5283
</TABLE>
    
 
                               Prospectus Page 11
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
GOVERNMENT INCOME FUND
 
The Government Income Fund seeks a high level of current income by investing
primarily in high quality debt securities of the U.S. and foreign governments,
their agencies and instrumentalities. Its secondary objectives are capital
appreciation and protection of principal through active management of its
maturity structure and currency exposure.
 
   
At least 65% of the Fund's total assets normally are invested in debt
obligations issued or guaranteed by the U.S. or foreign governments (including
foreign states, provinces or municipalities) or their agencies, authorities or
instrumentalities including mortgage-backed securities issued by agencies or
instrumentalities of the U.S. Government or by foreign governments. For purposes
of this policy, the Fund considers debt obligations of supranational entities
organized or supported by several national governments, such as the World Bank
and the Asian Development Bank, to be "government securities."
    
 
   
The Fund invests primarily in high quality government debt securities. "High
quality" debt securities are those rated in the top two ratings categories of
Moody's Investors Service, Inc. ("Moody's") or Standard & Poor's, a division of
The McGraw-Hill Companies, Inc. ("S&P"), or, if not rated, determined to be of
comparable quality by the Sub-adviser. A description of Moody's and S&P ratings
is included in the Appendix to this Prospectus.
    
 
   
The Fund currently contemplates that it will invest principally in obligations
of the United States, Canada, Japan, the Western European nations, New Zealand
and Australia, as well as in multinational currency units. Under normal market
conditions, the Fund invests in issues of not less than three different
countries; investments in the securities of any one country, other than the
United States, normally represent no more than 40% of the Fund's total assets.
The Fund will not invest in a foreign currency or in securities denominated in a
foreign currency if such currency is not at the time of investment considered by
the Sub-adviser to be fully exchangeable into U.S. dollars (or a multinational
currency unit) without legal restriction.
    
 
   
The Fund may also invest up to 35% of its total assets in: (1) foreign
government securities that are not high quality but are rated at least
"investment grade," i.e., rated within the four highest ratings categories of
Moody's or S&P or, if not rated, determined by the Sub-adviser to be of
comparable quality; (2) corporate debt obligations of U.S. or foreign issuers
rated at least investment grade by Moody's or S&P, including debt obligations
convertible into equity securities or having attached warrants or rights to
purchase equity securities; (3) privately issued mortgage-backed and asset-
backed securities that are rated at least investment grade by Moody's or S&P, or
if unrated, determined by the Sub-adviser to be of comparable quality; and (4)
common stocks, preferred stocks and warrants to acquire such securities,
provided that the Fund will not invest more than 20% of its total assets in such
securities.
    
 
STRATEGIC INCOME FUND
 
The Strategic Income Fund primarily seeks high current income and secondarily
seeks capital appreciation.
 
   
The Fund invests in debt securities of issuers in: (1) the United States; (2)
developed foreign countries; and (3) emerging markets. The Fund selects debt
securities from those issued by governments, their agencies and
instrumentalities; central banks; and commercial banks and other corporate
entities. Debt securities in which the Fund may invest include bonds, notes,
debentures, and other similar instruments including mortgage-backed and
asset-backed securities of foreign issuers as well as domestic issuers. The Fund
normally invests at least 50% of its net assets in U.S. and foreign debt and
other fixed income securities that, at the time of purchase, are rated at least
investment grade by Moody's or S&P or, if not rated, determined by the
Sub-adviser to be of comparable quality. No more than 50% of the Fund's total
assets may be invested in securities rated below investment grade. Such
securities involve a high degree of risk and are predominantly speculative. They
are the equivalent of high yield, high risk bonds, commonly known as "junk
bonds." The Fund may also invest in securities that are in default as to payment
of principal and/or interest.
    
 
The Fund's investments in emerging market securities may consist substantially
of Brady Bonds (see "General Policies -- Brady Bonds," below) and other
sovereign debt securities issued by emerging
 
                               Prospectus Page 12
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
market governments that are traded in the markets of developed countries or
groups of developed countries. The Sub-adviser may invest in debt securities of
emerging market issuers that it determines to be suitable investments for the
Fund without regard to ratings. Currently, the substantial majority of emerging
market debt securities are considered to have a credit quality below investment
grade. The Fund also may invest in below-investment grade debt securities of
corporate issuers in the United States and in developed foreign countries,
subject to the overall 50% limitation.
    
 
HIGH INCOME FUND
 
The High Income Fund primarily seeks high current income, and secondarily seeks
capital appreciation. It seeks its objectives by investing all of its investable
assets in the Portfolio, which in turn seeks the same objectives as the Fund by
normally investing at least 65% of its total assets in debt securities of
issuers in emerging markets.
 
The Portfolio intends to invest in the following types of debt securities:
bonds, notes and debentures of emerging market governments; securities issued or
guaranteed by such governments' agencies or instrumentalities; securities issued
or guaranteed by the central banks of emerging market countries; and securities
issued by other banks and companies in such countries and securities denominated
in or indexed to the currencies of emerging markets. Under current market
conditions, the Portfolio expects its investments in emerging market securities
to consist substantially of Brady Bonds (see "General Policies -- Brady Bonds,"
below) and other sovereign debt securities.
 
   
The Portfolio may also invest up to 35% of its total assets in (1) equity
securities of issuers in emerging markets included in the list below under the
caption "Emerging Markets"; (2) equity and debt securities of issuers in
developed countries, including the United States; (3) securities of issuers in
emerging markets not included in the emerging markets list, if investing therein
becomes feasible and desirable subsequent to the date of this Prospectus; and
(4) cash and money market instruments. In evaluating investments in securities
of issuers in developed markets, the Sub-adviser will consider, among other
things, the business activities of the issuer in emerging markets and the impact
that developments in emerging markets are likely to have on the issuer's
financial condition.
    
 
   
Under normal circumstances, substantially all of the Portfolio's assets will be
invested in debt securities of both governmental and corporate issuers in
emerging markets. Emerging markets debt securities generally are considered to
have a credit quality below investment grade, as defined above. Lower quality
securities involve a high degree of risk and are predominantly speculative.
These debt securities are the equivalent of high yield, high risk bonds,
commonly known as "junk bonds." See "Risk Factors." Many emerging market debt
securities are not rated by U.S. ratings agencies such as Moody's and S&P. The
Portfolio's ability to achieve its investment objectives is thus more dependent
on the Sub-adviser's credit analysis. The Portfolio may invest in securities
that are in default as to payment of principal and/or interest.
    
 
OTHER INFORMATION REGARDING THE PORTFOLIO. As previously described, investors
should be aware that the High Income Fund, unlike mutual funds that directly
acquire and manage their own portfolios of securities, seeks to achieve its
investment objectives by investing all of its investable assets in the
Portfolio, which is a separate investment company. Because the Fund will invest
only in the Portfolio, the Fund's shareholders will acquire only an indirect
interest in the investments of the Portfolio.
 
   
The High Income Fund may redeem its investment from the Portfolio at any time,
if the Board of Trustees of the Company determines that it is in the best
interests of the Fund and its shareholders to do so. A change in the Portfolio's
investment objectives, policies or limitations that is not approved by the Board
or the shareholders of the High Income Fund could require the Fund to redeem its
interest in the Portfolio. Any such redemption could result in a distribution in
kind of portfolio securities (as opposed to a cash distribution) by the
Portfolio. In addition, a distribution in kind could result in a less
diversified portfolio of investments for the Fund and could adversely affect its
liquidity. Upon redemption, the Board would consider what action might be taken,
including the investment of all the investable assets of the Fund in another
pooled investment entity having substantially the same investment objectives as
the Fund or the retention by the Fund of its own investment adviser to manage
its assets in accordance with its investment objectives, policies and
limitations discussed herein.
    
 
In addition to selling an interest therein to the Fund, the Portfolio may sell
its interests therein to other non-affiliated investment companies and/or other
institutional investors. All institutional investors in the Portfolio will pay a
proportionate share of the Portfolio's expenses and will invest in the Portfolio
on the same terms and conditions. However, if another investment company invests
any or all of its assets in the Portfolio, it would not be required to sell its
shares at the same public
 
                               Prospectus Page 13
<PAGE>
                             GT GLOBAL INCOME FUNDS
offering price as the Fund and may charge different sales commissions.
Therefore, investors in the Fund may experience different returns than investors
in another investment company that invests exclusively in the Portfolio. As of
the date of this Prospectus, the High Income Fund is the only institutional
investor in the Portfolio.
 
Investors in the Fund should be aware that the Funds' investment in the
Portfolio may be materially affected by the actions of other large investors, if
any, in the Portfolio, if any. For example, as with all open-end investment
companies, if a large investor were to redeem its interest in the Portfolio, (1)
the Portfolio's remaining investors could experience higher pro rata operating
expenses, thereby producing lower returns and (2) the Portfolio's security
holdings may become less diverse, resulting in increased risk. Institutional
investors in the Portfolio that have a greater pro rata ownership interest in
the Portfolio than the Fund could have effective voting control over the
operation of the Portfolio.
 
                                GENERAL POLICIES
 
ASSET ALLOCATION. The Government Income Fund, the Strategic Income Fund and the
Portfolio each invests in debt obligations allocated among diverse markets and
denominated in various currencies, including U.S. dollars, or in multinational
currency units such as European Currency Units. The Funds are designed for
investors who wish to accept the risks entailed in such investments, which are
different from those associated with a portfolio consisting entirely of
securities of U.S. issuers denominated in U.S. dollars. The Government Income
Fund, the Strategic Income Fund and the Portfolio may purchase securities that
are issued by the government or a company or financial institution of one
country but denominated in the currency of another country (or a multinational
currency unit).
 
   
The Sub-adviser allocates the assets of the Government Income Fund, the
Strategic Income Fund and the Portfolio in securities of issuers in countries
and in currency denominations where the combination of fixed income market
returns, the price appreciation potential of fixed income securities and
currency exchange rate movements will present opportunities primarily for high
current income and secondarily for capital appreciation (and, in the case of the
Government Income Fund, secondarily for capital appreciation and protection of
principal). In so doing, the Sub-adviser intends to take full advantage of the
different yield, risk and return characteristics that investment in the fixed
income markets of different countries can provide for U.S. investors.
Fundamental economic strength, credit quality and currency and interest rate
trends are the principal determinants of the emphasis given to various country,
geographic and industry sectors within the Government Income Fund, the Strategic
Income Fund and the Portfolio. Securities held by the Government Income Fund,
the Strategic Income Fund and the Portfolio may be invested in without
limitation as to maturity.
    
 
   
The Sub-adviser selects securities of particular issuers on the basis of its
views as to the best values then currently available in the marketplace. Such
values are a function of yield, maturity, issue classification and quality
characteristics, coupled with expectations regarding the local and world
economies, movements in the general level and term of interest rates, currency
values, political developments and variations in the supply of funds available
for investment in the world bond market relative to the demands placed upon it.
    
 
   
The Sub-adviser generally evaluates currencies on the basis of fundamental
economic criteria (e.g., relative inflation, interest rate levels and trends,
growth rate forecasts, balance of payments status and economic policies) as well
as technical and political data. The Sub-adviser may seek to protect a Fund
against such negative currency movements through the use of sophisticated
investment techniques. See "Options, Futures and Forward Currency Transactions"
and "Swaps, Caps, Floors and Collars."
    
 
   
According to the Sub-adviser, as of the date of this Prospectus, more than 50%
of the value of all outstanding government debt obligations throughout the world
is represented by obligations denominated in currencies other than the U.S.
dollar. Moreover, from time to time, the debt securities of issuers located
outside the United States have substantially outperformed the debt obligations
of U.S. issuers. Accordingly, the Sub-adviser believes that the Government
Income Fund's and the Strategic Income Fund's policy of investing in debt
securities throughout the world and the Portfolio's policy of investing in debt
securities of issuers in emerging markets may enable the achievement of results
superior to those produced by mutual funds with similar objectives to those of
the Funds and the Portfolio that invest solely in debt securities of U.S.
issuers.
    
 
   
TEMPORARY DEFENSIVE STRATEGIES. The Sub-adviser may employ a temporary defensive
investment strategy if it determines such a strategy to be warranted due to
market, economic or political conditions. Pursuant to such a defensive strategy,
the Government Income Fund, the Strategic Income Fund and the Portfolio
temporarily may hold
    
 
                               Prospectus Page 14
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
cash (U.S. dollars, foreign currencies or multinational currency units) and/or
invest up to 100% of their respective assets in high quality debt securities or
money market instruments of U.S. or foreign issuers. In addition, for temporary
defensive purposes, most or all of the Government Income Fund's, the Strategic
Income Fund's or the Portfolio's investments may be made in the United States
and denominated in U.S. dollars. To the extent the Funds or the Portfolio employ
a temporary defensive strategy, they will not be invested so as to achieve
directly their investment objectives. In addition, pending investment of
proceeds from new sales of Fund shares or to meet ordinary daily cash needs, the
Government Income Fund, the Strategic Income Fund and the Portfolio may hold
cash (U.S. dollars, foreign currencies or multinational currency units) and may
invest in high quality foreign or domestic money market instruments. For a full
description of money market instruments in which the Funds or the Portfolio may
invest, see             in the Statement of Additional Information.
    
 
   
EMERGING MARKET SECURITIES. The Strategic Income Fund and the Portfolio consider
"emerging markets" to consist of all countries determined by the Sub-adviser to
have developing or emerging economies and markets. These countries generally
include every country in the world except the United States, Canada, Japan,
Australia, New Zealand and most countries located in Western Europe. The
Strategic Income Fund and the Portfolio will consider investment in the
following emerging markets:
    
 
<TABLE>
<S>               <C>            <C>
  Algeria         Hong Kong      Peru
  Argentina       Hungary        Philippines
  Bolivia         India          Poland
  Botswana        Indonesia      Portugal
  Brazil          Israel         Republic of
  Bulgaria        Ivory Coast     Slovakia
  Chile           Jamaica        Russia
  China           Jordan         Singapore
  Colombia        Kazakhstan     Slovenia
  Costa Rica      Kenya          South Africa
  Cyprus          Lebanon        South Korea
  Czech           Malaysia       Sri Lanka
   Republic       Mauritius      Swaziland
  Dominican       Mexico         Taiwan
   Republic       Morocco        Thailand
  Ecuador         Nicaragua      Turkey
  Egypt           Nigeria        Ukraine
  El Salvador     Oman           Uruguay
  Finland         Pakistan       Venezuela
  Ghana           Panama         Zambia
  Greece          Paraguay       Zimbabwe
</TABLE>
 
The Strategic Income Fund and the Portfolio will not be invested in all such
markets at all times. Moreover, investing in some of those markets currently may
not be desirable or feasible, due to the lack of adequate custody arrangements,
overly burdensome repatriation requirements and similar restrictions, the lack
of organized and liquid securities markets, unacceptable political risks or for
other reasons.
 
As used in this Prospectus and the Statement of Additional Information, an
issuer in an emerging market is an entity: (i) for which the principal
securities trading market is an emerging market, as defined above; (ii) that
(alone or on a consolidated basis) derives 50% or more of its total revenue from
either goods produced, sales made or services performed in emerging markets; or
(iii) organized under the laws of, or with a principal office in, an emerging
market.
 
   
BRADY BONDS. The Government Income Fund, the Strategic Income Fund and the
Portfolio may invest in "Brady Bonds," which are debt restructurings that
provide for the exchange of cash and loans for newly issued bonds. Brady Bonds
have been issued by the countries of Albania, Argentina, Brazil, Bulgaria, Costa
Rica, Dominican Republic, Ecuador, Ivory Coast, Jordan, Mexico, Nigeria, Panama,
Peru, Philippines, Poland, Uruguay, Venezuela and Vietnam and are expected to be
issued by other emerging market countries. As of the date of this Prospectus,
the Government Income Fund, the Strategic Income Fund and the Portfolio are not
aware of the occurrence of any payment defaults on Brady Bonds. Investors should
recognize, however, that Brady Bonds do not have a long payment history. In
addition, Brady Bonds are often rated below investment grade.
    
 
   
The Government Income Fund, Strategic Income Fund and the Portfolio may invest
in either collateralized or uncollateralized Brady Bonds. U.S.
dollar-denominated, collateralized Brady Bonds, which may be fixed rate par
bonds or floating rate discount bonds, are collateralized in full as to
principal by U.S. Treasury zero coupon bonds having the same maturity as the
bonds. Interest payments on such bonds generally are collateralized by cash or
securities in an amount that, in the case of fixed rate bonds, is equal to at
least one year of rolling interest payments or, in the case of floating rate
bonds, initially is equal to at least one year's rolling interest payments based
on the applicable interest rate at the time of issuance and is adjusted at
regular intervals thereafter.
    
 
   
MORTGAGE-BACKED AND ASSET-BACKED SECURITIES. The Government Income Fund and the
Strategic Income Fund may invest in mortgage-backed and asset-backed securities
of U.S. and foreign
    
 
                               Prospectus Page 15
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
issuers, including privately issued mortgage-backed and asset-backed securities.
Mortgage-backed securities represent direct or indirect interests in pools of
underlying mortgage loans that are secured by real property. Investors typically
receive payments out of the interest on and principal of the underlying
mortgages. Asset-backed securities are similar to mortgage-backed securities,
except that the underlying assets are other financial assets or financial
receivables, such as motor vehicle installment sales contracts, home equity
loans, leases of various types of real and personal property, and receivables
from credit cards. Any mortgage-backed and asset-backed securities purchased by
the Government Income Fund and the Strategic Income Fund will be subject to the
same rating requirements that apply to its other investments. In addition,
privately issued mortgage-backed and asset-backed securities purchased by
Government Income Fund will be subject to the limitation of that Fund which
allows no more than 35% of its total assets to be invested in securities of
non-governmental issuers.
    
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Strategic Income Fund and the Portfolio
may invest in fixed and floating rate loans ("Loans") arranged through private
negotiations between a foreign entity and one or more financial institutions
("Lenders"). The majority of the Fund's and the Portfolio's investments in Loans
in emerging markets is expected to be in the form of participations in Loans
("Participations") and assignments of portions of Loans from third parties
("Assignments"). Participations typically will result in the Fund and/or the
Portfolio having a contractual relationship only with the Lender, not with the
borrower government. The Fund and/or the Portfolio will have the right to
receive payments of principal, interest and any fees to which it is entitled
only from the Lender selling the Participation and only upon receipt by the
Lender of the payments from the borrower. In connection with purchasing
Participations, the Fund and/or the Portfolio generally will have no right to
enforce compliance by the borrower with the terms of the loan agreement relating
to the loan ("Loan Agreement"), nor any rights of set-off against the borrower,
and the Fund and/or the Portfolio may not directly benefit from any collateral
supporting the Loan in which it has purchased the Participation. As a result,
the Fund and/or the Portfolio will assume the credit risk of both the borrower
and the Lender that is selling the Participation.
 
   
In the event of the insolvency of the Lender selling a Participation, the Fund
and/or the Portfolio may be treated as a general creditor of the Lender and may
not benefit from any set-off between the Lender and the borrower. The Fund
and/or the Portfolio will acquire Participations only if the Lender
interpositioned between the Fund and/or the Portfolio and the borrower is
determined by the Sub-adviser to be creditworthy. When the Fund and/ or the
Portfolio purchases Assignments from Lenders, the Fund and/or the Portfolio will
acquire direct rights against the borrower on the Loan. However, since
Assignments are arranged through private negotiations between potential
assignees and assignors, the rights and obligations acquired by the Fund and/or
the Portfolio as the purchaser of an Assignment may differ from, and be more
limited than, those held by the assigning Lender.
    
 
   
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES. The Government Income Fund, the
Strategic Income Fund and the Portfolio may purchase debt securities on a
"when-issued" basis and may purchase or sell such securities on a "forward
commitment" basis in order to hedge against anticipated changes in interest
rates and prices. The price, which is generally expressed in yield terms, is
fixed at the time the commitment is made, but delivery and payment for the
securities take place at a later date. When-issued securities and forward
commitments may be sold prior to the settlement date, but the Funds and the
Portfolio will purchase or sell when-issued securities and forward commitments
only with the intention of actually receiving or delivering the securities, as
the case may be. No income accrues on securities that have been purchased
pursuant to a forward commitment or on a when-issued basis prior to delivery of
the securities. If a Fund or the Portfolio disposes of the right to acquire a
when-issued security prior to its acquisition or disposes of its right to
deliver or receive against a forward commitment, it may incur a gain or loss. At
the time a Fund or the Portfolio enters into a transaction on a when-issued or
forward commitment basis, a Fund or the Portfolio will segregate cash or liquid
securities equal to the value of the when-issued or forward commitment
securities with its custodian and will mark to market daily such assets. There
is a risk that the securities may not be delivered and that a Fund or the
Portfolio may incur a loss. The Government Income Fund may invest up to 5% of
its total assets in a combination of securities purchased on a when-issued basis
or with respect to which it has entered into forward commitment agreements.
    
 
                               Prospectus Page 16
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
The Strategic Income Fund and the Portfolio may also sell securities on a "when,
as and if issued" basis for hedging purposes. Under such a transaction, the Fund
or the Portfolio is required to deliver at a future date a security it does not
presently hold, but which it has a right to receive if the security is issued.
Issuance of the security may not occur, in which case the Fund or Portfolio
would have no obligation to the other party, and would not receive payment for
the sale. Selling securities on a "when, as and if issued" basis may reduce risk
of loss to the extent that such a sale wholly or partially offsets unfavorable
price movements on the investments being hedged. However, such sales also limit
the amount the Fund or Portfolio can receive if the "when, as and if issued"
security is in fact issued.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND ROLL TRANSACTIONS. The Government
Income Fund may borrow from banks or may borrow through reverse repurchase
agreements and "roll" transactions in connection with meeting requests for the
redemption of Fund shares. The Government Income Fund also may borrow up to 5%
of its total assets for temporary or emergency purposes other than to meet
redemptions. However, the Government Income Fund will not borrow for investment
purposes, nor will the Fund purchase securities while borrowings are
outstanding.
 
   
Both the Strategic Income Fund and the Portfolio are authorized to borrow money
from banks in an amount up to 33 1/3% of its total assets (including the amount
borrowed), less all liabilities and indebtedness other than the borrowings and
may use the proceeds of such borrowings for investment purposes. The Strategic
Income Fund and the Portfolio will borrow for investment purposes only when the
Sub-adviser believes that such borrowings will benefit the Fund or the
Portfolio, respectively, after taking into account considerations such as the
costs of the borrowing and the likely investment returns on the securities
purchased with the borrowed monies.
    
 
Borrowing for investment purposes is known as leveraging, which is a speculative
practice. Such borrowing by the Strategic Income Fund and the Portfolio creates
the opportunity for increased net income and appreciation but, at the same time,
involves special risk considerations. For example, leveraging might exaggerate
changes in the net asset value of Fund shares and in the yield realized by the
Fund or the Portfolio. Although the principal amount of such borrowings will be
fixed, the Fund's and the Portfolio's assets may change in value during the time
the borrowing is outstanding. By leveraging the Fund or the Portfolio, changes
in net asset values, higher or lower, may be greater in degree than if leverage
was not employed. To the extent the income derived from the assets obtained with
borrowed funds exceeds the interest and other expenses that the Fund or the
Portfolio will have to pay, the Fund's or the Portfolio's net income will be
greater than if borrowing was not used. Conversely, if the income from the
assets obtained with borrowed funds is not sufficient to cover the cost of
borrowing, the net income of the Fund or the Portfolio will be less than if
borrowing were not used, and therefore the amount available for distribution to
shareholders as dividends will be reduced. The Strategic Income Fund and the
Portfolio each expects that some of its borrowings may be made on a secured
basis.
 
In addition to the foregoing borrowings, the Strategic Income Fund and the
Portfolio each may borrow money for temporary or emergency purposes or payments
in an amount not exceeding 5% of the value of its total assets (not including
the amount borrowed) provided that the total amount borrowed by the Strategic
Income Fund or the Portfolio for any purpose does not exceed 33 1/3% of its
total assets.
 
The Funds and the Portfolio may also enter into reverse repurchase agreements
with a bank or recognized securities dealer, although the Strategic Income Fund
currently has no intention of doing so with respect to more than 5% of its total
assets. Under a reverse repurchase agreement, the Funds or the Portfolio would
sell securities and agree to repurchase them at a particular price at a future
date. At the time a Fund or the Portfolio enters into a reverse repurchase
agreement, it will establish and maintain a segregated account with an approved
custodian containing cash or liquid securities having a value not less than the
repurchase price, including accrued interest. Reverse repurchase agreements
involve the risk that the market value of the securities retained in lieu of
sale by a Fund or the Portfolio may decline below the price of the securities a
Fund or the Portfolio has sold but is obligated to repurchase. In the event the
buyer of securities under a reverse repurchase agreement files for bankruptcy or
becomes insolvent, such buyer or its trustee or receiver may receive an
extension of time to determine whether to enforce a Fund's or the Portfolio's
obligation to repurchase the securities, and a Fund's or the Portfolio's use of
the proceeds of the reverse repurchase agreement
 
                               Prospectus Page 17
<PAGE>
                             GT GLOBAL INCOME FUNDS
may effectively be restricted pending such decision.
 
   
The Funds and the Portfolio also may enter into "dollar rolls," in which a Fund
or the Portfolio sells fixed income securities for delivery in the current month
and simultaneously contracts to repurchase substantially similar (same type,
coupon and maturity) securities on a specified future date. During the roll
period, a Fund or the Portfolio would forego principal and interest paid on such
securities. A Fund or the Portfolio would be compensated by the difference
between the current sales price and the forward price for the future purchase,
as well as by the interest earned on the cash proceeds of the initial sale. See
"Investment Objectives and Policies" in the Statement of Additional Information.
    
 
   
Reverse repurchase agreements and dollar rolls will be treated as borrowings and
will be deducted from a Fund's or the Portfolio's assets for purposes of
calculating compliance with the Fund's or the Portfolio's borrowing limitation.
See "Investment Limitations" in the Statement of Additional Information.
    
 
SECURITIES LENDING. The Government Income Fund, the Strategic Income Fund and
the Portfolio may lend their respective portfolio securities to broker/dealers
or to other institutional investors. Securities lending allows a Fund to retain
ownership of the securities loaned and, at the same time, enhances a Fund's
total return. At all times a loan is outstanding, each Fund and the Portfolio
requires the borrower to maintain with the Fund's or the Portfolio's custodian,
collateral consisting of cash, U.S. government securities, or certain
irrevocable letters of credit equal to at least the value of the borrowed
securities, plus any accrued interest or such other collateral as permitted by a
Fund's investment program and regulatory agencies, and as approved by the Board.
Each Fund and the Portfolio limits its loans of portfolio securities to an
aggregate of 30% of the value of its total assets, measured at the time any such
loan is made. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the loaned securities and possible loss of rights
in the collateral should the borrower fail financially.
 
   
ZERO COUPON SECURITIES. The Government Income Fund, the Strategic Income Fund
and the Portfolio may invest in certain zero coupon securities that are
"stripped" U.S. Treasury notes and bonds. They also may invest in zero coupon
and other deep discount securities issued by foreign governments and domestic
and foreign corporations, including certain Brady Bonds and other foreign debt
and in payment-in-kind securities. Zero coupon securities pay no interest to
holders prior to maturity, and payment-in-kind securities pay interest in the
form of additional securities. However, a portion of the original issue discount
on zero coupon securities and the "interest" on payment-in-kind securities will
be included in the investing Fund's or Portfolio's income. Accordingly, for a
Fund to continue to qualify for tax treatment as a regulated investment company
and to avoid a certain excise tax (see "Taxes" in the Statement of Additional
Information), it may be required to distribute an amount that is greater than
the total amount of cash it actually receives (or, in the case of the High
Income Fund, its share of the total amount of cash the Portfolio actually
receives). These distributions must be made from the Fund's (or, in the case of
the High Income Fund, its, or its share of, the Portfolio's) cash assets or, if
necessary, from the proceeds of sales of portfolio securities. The Fund or the
Portfolio will not be able to purchase additional income-producing securities
with cash used to make such distributions, and its current income ultimately may
be reduced as a result. Zero coupon and payment-in-kind securities usually trade
at a deep discount from their face or par value and will be subject to greater
fluctuations of market value in response to changing interest rates than debt
obligations of comparable maturities that make current distributions of interest
in cash.
    
 
SYNTHETIC SECURITY POSITIONS. The Government Income Fund, the Strategic Income
Fund and the Portfolio may utilize combinations of futures on bonds and forward
currency contracts to create investment positions that have substantially the
same characteristics as bonds of the same type as those on which the futures
contracts are written. Investment positions of this type are generally referred
to as "synthetic securities."
 
   
For example, in order to establish a synthetic security position for a Fund or
the Portfolio that is comparable to owning a Japanese government bond, the
Sub-adviser might purchase futures contracts on Japanese government bonds in the
desired principal amount and purchase forward currency contracts for Japanese
Yen in an amount equal to the then current purchase price for such bonds in the
Japanese cash market, with each contract having approximately the same delivery
date.
    
 
                               Prospectus Page 18
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
The Sub-adviser might roll over the futures and forward currency contract
positions before taking delivery in order to continue the Fund's or the
Portfolio's investment position, or the Sub-adviser might close out those
positions, thus effectively selling the synthetic security. Further, the amount
of each contract might be adjusted in response to market conditions and the
forward currency contract might be changed in amount or eliminated in order to
hedge against currency fluctuations.
    
 
   
The Sub-adviser would create synthetic security positions for a Fund or the
Portfolio when it believes that it can obtain a better yield or achieve cost
savings in comparison to purchasing actual bonds or when comparable bonds are
not readily available in the market. Synthetic security positions are subject to
the risk that changes in the value of purchased futures contracts may differ
from changes in the value of the bonds that might otherwise have been purchased
in the cash market. Also, while the Sub-adviser believes that the cost of
creating synthetic security positions generally will be materially lower than
the cost of acquiring comparable bonds in the cash market, a Fund or the
Portfolio will incur transaction costs in connection with each purchase of a
futures or forward currency contract. The use of futures contracts and forward
currency contracts to create synthetic security positions also is subject to
substantially the same risks as those that exist when these instruments are used
in connection with hedging strategies. See "Options, Futures and Forward
Currency Transactions" below and "Options, Futures and Currency Strategies" in
the Statement of Additional Information.
    
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. The Government Income Fund,
the Strategic Income Fund and the Portfolio may use forward currency contracts,
futures contracts, options on securities, options on indices, options on
currencies, and options on futures contracts to attempt to hedge against the
overall level of investment and currency risk normally associated with the
Funds' or Portfolio investment. The Strategic Income Fund and the Portfolio also
may enter into interest rate, currency and index swaps and purchase or sell
related caps, floors and collars and other similar instruments. See "Swaps,
Caps, Floors and Collars" below. These instruments are often referred to as
"derivatives," which may be defined as financial instruments whose performance
is derived, at least in part, from the performance of another asset (such as a
security, currency or an index of securities). The Government Income Fund, the
Strategic Income Fund and the Portfolio may enter into such instruments up to
the full value of their portfolio assets. See "Risk Factors -- Options, Futures
and Forward Currency Transactions" herein and "Options, Futures and Currency
Strategies" in the Statement of Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, the Government Income Fund, the Strategic Income Fund and the
Portfolio may enter into forward currency contracts for the purchase or sale of
a specified currency at a specified future date. Such contracts may involve the
purchase or sale of a foreign currency against the U.S. dollar or may involve
two foreign currencies. The Government Income Fund, the Strategic Income Fund
and the Portfolio may enter into forward currency contracts either with respect
to specific transactions or with respect to the respective Fund's or the
Portfolio's portfolio positions. Each Fund and the Portfolio also may purchase
and sell put and call options on currencies, futures contracts on currencies and
options on such futures contracts to hedge against movements in exchange rates.
 
   
In addition, each Fund and the Portfolio may purchase and sell put and call
options on securities to hedge against the risk of fluctuations in the prices of
securities held by the Fund or the Portfolio or that the Sub-adviser intends to
include in the Fund's or the Portfolio's portfolio. The Funds and the Portfolio
also may purchase and sell put and call options on indices to hedge against
overall fluctuations in the securities markets generally or in a specific market
sector.
    
 
Further, the Funds and the Portfolio may sell index futures contracts and may
purchase put options or write call options on such futures contracts to protect
against a general market or market sector decline that could adversely affect
the Fund's or the Portfolio's portfolio. The Funds and the Portfolio also may
purchase index futures contracts and purchase call options or write put options
on such contracts to hedge against a general market or market sector advance and
thereby attempt to lessen the cost of future securities acquisitions. A Fund or
the Portfolio may use interest rate futures contracts and options thereon to
hedge its portfolio against changes in the general level of interest rates.
 
SWAPS, CAPS, FLOORS AND COLLARS. The Strategic Income Fund and the Portfolio may
enter into interest rate, currency and index swaps, and purchase or sell related
caps, floors and collars and other derivative instruments. The Fund and the
 
                               Prospectus Page 19
<PAGE>
                             GT GLOBAL INCOME FUNDS
Portfolio expect to enter into these transactions primarily to preserve a return
or spread on a particular investment or portion of its portfolio, to protect
against currency fluctuations, as a technique for managing the portfolio's
duration (I.E., the price sensitivity to changes in interest rates) or to
protect against any increase in the price of securities the Fund or the
Portfolio anticipates purchasing at a later date. The Fund and the Portfolio
intend to use these transactions as hedges, and neither will sell interest rate
caps or floors if it does not own securities or other instruments providing an
income stream roughly equivalent to what the Fund or the Portfolio may be
obligated to pay.
 
Interest rate swaps involve the exchange by the Fund or the Portfolio with
another party of their respective commitments to pay or receive interest (for
example, an exchange of floating rate payments for fixed rate payments) with
respect to a notional amount of principal. A currency swap is an agreement to
exchange cash flows on a notional amount based on changes in the values of the
reference indices.
 
The purchase of a cap entitles the purchaser to receive payments on a notional
principal amount from the party selling the cap to the extent that a specified
index exceeds a predetermined interest rate. The purchase of an interest rate
floor entitles the purchaser to receive payments on a notional principal amount
from the party selling the floor to the extent that a specified index falls
below a predetermined interest rate or amount. A collar is a combination of a
cap and a floor that preserves a certain return within a predetermined range of
interest rates or values.
 
INDEXED COMMERCIAL PAPER. The Strategic Income Fund and the Portfolio may invest
without limitation in commercial paper which is indexed to certain specific
foreign currency exchange rates. The terms of such commercial paper provide that
its principal amount is adjusted upwards or downwards (but not below zero) at
maturity to reflect changes in the exchange rate between two currencies while
the obligation is outstanding. The Strategic Income Fund and the Portfolio will
purchase such commercial paper with the currency in which it is denominated and,
at maturity, will receive interest and principal payments thereon in that
currency, but the amount of principal payable by the issuer at maturity will
change in proportion to the change (if any) in the exchange rate between the two
specified currencies between the date the instrument is issued and the date the
instrument matures. While such commercial paper entails the risk of loss of
principal, the potential for realizing gains as a result of changes in foreign
currency exchange rates enables the Fund and the Portfolio to hedge against a
decline in the U.S. dollar value of investments denominated in foreign
currencies while seeking to provide an attractive money market rate of return.
The Fund and the Portfolio will not purchase such commercial paper for
speculation.
 
OTHER INDEXED SECURITIES. The Government Income Fund, Strategic Income Fund and
the Portfolio may invest in certain other indexed securities, which are
securities whose prices are indexed to the prices of other securities,
securities indices, currencies, precious metals or other commodities, or other
financial indicators. Indexed securities typically, but not always, are debt
securities or deposits whose value at maturity or coupon rate is determined by
reference to a specific instrument or statistic. The performance of indexed
securities depends to a great extent on the performance of the security,
currency, or other instrument to which they are indexed, and may also be
influenced by interest rate changes in the United States and abroad. At the same
time, indexed securities are subject to the credit risks associated with the
issuer of the security, and their values may decline substantially if the
issuer's creditworthiness deteriorates. Indexed securities may be more volatile
than the underlying instruments. New forms of indexed securities continue to be
developed. Each Fund and Portfolio may invest in such securities to the extent
consistent with its investment objectives.
 
   
OTHER INFORMATION. Each Fund's investment objectives may not be changed without
the approval of a majority of the respective Fund's outstanding voting
securities. A "majority of the Fund's outstanding voting securities" means the
lesser of (i) 67% of the shares represented at a meeting at which more than 50%
of the outstanding shares are represented, or (ii) more than 50% of the
outstanding shares. In addition, each Fund has adopted certain investment
limitations which also may not be changed without shareholder approval. A
complete description of these limitations is included in the Statement of
Additional Information. Each Fund's other investment policies described herein
and in the Statement of Additional Information may be changed by the Company's
Board of Trustees without shareholder approval.
    
 
                               Prospectus Page 20
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
The approval of the High Income Fund and of other investors in the Portfolio, if
any, is not required to change the investment objectives, policies or
limitations of the Portfolio, unless otherwise specified. Written notice shall
be provided to shareholders of the High Income Fund thirty days prior to any
changes in the Portfolio's investment objectives.
 
   
The Funds and the Portfolio are authorized to make short sales of securities,
although they have no current intention of doing so. See "Investment Objectives
and Policies--Short Sales" in the Statement of Additional Information.
    
 
   
If a percentage restriction on investment or utilization of assets in an
investment policy or restriction is adhered to at the time an investment is
made, a later change in percentage ownership of a security or kind of securities
resulting from changing market values or a similar type of event will not be
considered a violation of a Fund's or the Portfolio's investment policies or
restrictions.
    
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that any Fund or the Portfolio will achieve its
investment objectives. The Fund's net asset value will fluctuate, reflecting
fluctuations in the market value of its portfolio positions and its net currency
exposure. The value of fixed income securities held by the Government Income
Fund, the Strategic Income Fund and the Portfolio generally fluctuates inversely
with interest rate movements. Longer term bonds held by the Government Income
Fund, the Strategic Income Fund or the Portfolio are subject to greater interest
rate risk.
 
NON-DIVERSIFIED CLASSIFICATION. Each Fund and the Portfolio is classified under
the Investment Company Act of 1940 (the "1940 Act") as a "non-diversified" fund.
As a result, the Government Income Fund, the Strategic Income Fund and the
Portfolio each will be able to invest in a fewer number of issuers than if it
were classified under the 1940 Act as a "diversified" fund. To the extent that a
Fund or the Portfolio invests in a smaller number of issuers, the value of each
Fund's shares may fluctuate more widely and the Funds and the Portfolio may be
subject to greater investment and credit risk with respect to their portfolios.
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally are not registered with the SEC, nor
are the issuers thereof usually subject to the SEC's reporting requirements.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available with respect to U.S. securities and
issuers. Foreign companies generally are not subject to uniform accounting,
auditing and financial reporting standards, practices and requirements
comparable to those applicable to U.S. companies. In addition, certain costs
attributable to foreign investing, such as custody charges, are higher than
those attributable to domestic investing. Securities of some foreign companies
are less liquid and their prices may be more volatile than securities of
comparable domestic companies. The Government Income and Strategic Income Funds'
and the Portfolio's interest and dividends from foreign issuers may be subject
to non-U.S. withholding taxes, thereby reducing their net investment income.
 
With respect to some foreign countries, there is the increased possibility of
expropriation or confiscatory taxation, limitations on the removal of funds or
other assets of the Government Income Fund, the Strategic Income Fund and the
Portfolio, political or social instability, or diplomatic developments which
could affect the investments of the Government Income Fund, the Strategic Income
Fund and the Portfolio in those countries. Moreover, individual foreign
economies may differ favorably or unfavorably from the U.S. economy in such
respects as growth of gross national product, rate of inflation, rate of savings
and capital reinvestment, resource self-sufficiency and balance of payments
positions.
 
CURRENCY RISK. Since the Government Income Fund, the Strategic Income Fund and
the Portfolio normally invest substantially in securities denominated in
currencies other than the U.S. dollar, and because they may hold foreign
currencies, they will be affected favorably or unfavorably by exchange control
regulations or changes in the exchange rates between such currencies and the
U.S. dollar. Changes in currency exchange rates will influence the value of the
Funds' shares, and also
 
                               Prospectus Page 21
<PAGE>
                             GT GLOBAL INCOME FUNDS
may affect the value of dividends and interest earned by the Funds and gains and
losses realized by the Funds. Currencies generally are evaluated on the basis of
fundamental economic criteria (e.g., relative inflation and interest rate levels
and trends, growth rate forecasts, balance of payments status and economic
policies) as well as technical and political data. The exchange rates between
the U.S. dollar and other currencies are determined by supply and demand in the
currency exchange markets, the international balance of payments, governmental
intervention, speculation and other economic and political conditions. If the
currency in which a security is denominated appreciates against the U.S. dollar,
the dollar value of the security will increase. Conversely, a decline in the
exchange rate of the currency would adversely affect the value of the security
expressed in U.S. dollars.
 
In addition, many of the currencies in emerging market countries have
experienced steady devaluations relative to the U.S. dollar and major
devaluations have historically occurred in certain countries.
 
INVESTING IN EMERGING MARKETS. Because of the special risks associated with
investing in emerging markets, an investment in the Strategic Income Fund and
the Portfolio should be considered speculative. Investors are strongly advised
to consider carefully the special risks involved in emerging markets, which are
in addition to the usual risks of investing in developed foreign markets around
the world.
 
Investing in emerging markets involves risks relating to potential political and
economic instability within such markets and the risks of expropriation,
nationalization, confiscation of assets and property or the imposition of
restrictions on foreign investment and on repatriation of capital invested. In
the event of such expropriation, nationalization or other confiscation in any
emerging market, the Strategic Income Fund or the Portfolio could lose its
entire investment in that market.
 
Many emerging market countries have experienced substantial, and in some periods
extremely high, rates of inflation for many years. Inflation and rapid
fluctuations in inflation rates have had and may continue to have negative
effects on the economies and securities markets of certain emerging market
countries.
 
Economies in emerging markets generally are dependent heavily upon international
trade and, accordingly, have been and may continue to be affected adversely by
trade barriers, exchange controls, managed adjustments in relative currency
values and other protectionist measures imposed or negotiated by the countries
with which they trade. These economies also have been and may continue to be
affected adversely by economic conditions in the countries in which they trade.
 
The securities markets of emerging countries are substantially smaller, less
developed, less liquid and more volatile than the securities markets of the
United States and other more developed countries. Disclosure and regulatory
standards in many respects are less stringent than in the United States and
other major markets. There also may be a lower level of monitoring and
regulation of emerging securities markets and the activities of investors in
such markets, and enforcement of existing regulations has been extremely
limited.
 
In addition, brokerage commissions, custodial services and other costs relating
to investment in foreign markets generally are more expensive than in the United
States, particularly with respect to emerging markets. Such markets have
different settlement and clearance procedures. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the Strategic Income Fund or the Portfolio to make intended
securities purchases due to settlement problems could cause the Strategic Income
Fund or the Portfolio to forego attractive investment opportunities. Inability
to dispose of a portfolio security caused by settlement problems could result
either in losses to the Strategic Income Fund or the Portfolio due to subsequent
declines in value of the portfolio security or, if the Strategic Income Fund or
the Portfolio has entered into a contract to sell the security, could result in
possible liability to the purchaser.
 
The risk also exists that an emergency situation may arise in one or more
emerging markets as a result of which trading of securities may cease or may be
substantially curtailed and prices for the Strategic Income Fund's or the
Portfolio's portfolio securities in such markets may not be readily available.
Section 22(e) of the 1940 Act permits a registered investment company to suspend
redemption of its shares for any period during which an emergency exists, as
determined by the SEC. Accordingly, when the Strategic Income Fund or the
Portfolio believes that appropriate circumstances warrant, it will promptly
apply to the SEC for a determination that an emergency exists within the meaning
of Section 22(e) of the 1940 Act. During the period
 
                               Prospectus Page 22
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
commencing from the Strategic Income Fund's or the Portfolio's identification of
such conditions until the date of SEC action, the portfolio securities of the
Strategic Income Fund or the Portfolio in the affected markets will be valued at
fair value as determined in good faith by or under the direction of the
Company's Board of Trustees or the Portfolio's Board of Trustees.
    
 
MORTGAGE-BACKED AND ASSET-BACKED SECURITIES. The yield characteristics of
mortgage-backed and asset-backed securities differ from those of traditional
bonds. Among the major differences are that interest and principal payments are
made more frequently (usually monthly) and that principal may be prepaid at any
time because the underlying mortgage loans or other assets generally may be
prepaid at any time. Generally, prepayments on fixed-rate mortgage loans will
increase during a period of falling interest rates and decrease during a period
of rising interest rates. Mortgage-backed and asset-backed securities may also
decrease in value as a result of increasing market interest rates and, because
of prepayments, may benefit less than other bonds from declining interest rates.
Reinvestments of prepayments may occur at lower interest rates than the original
investment, thus adversely affecting the yield of the Government Income Fund or
the Strategic Income Fund. Actual prepayment experience may cause the yield of a
mortgage-backed security to differ from what was assumed when the Fund purchased
the security. The market for privately issued mortgage-backed and asset-backed
securities is smaller and less liquid than the market for U.S. government
mortgage-backed securities.
 
   
Foreign mortgage-backed securities markets are substantially smaller than U.S.
markets, but have been established in several countries, including Germany,
Denmark, Sweden, Canada and Australia, and may be developed elsewhere. Foreign
mortgage-backed securities generally are structured similar to domestic
mortgage-backed securities, and they normally present substantially similar
investment risks as well as the other risks normally associated with foreign
securities.
    
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Strategic Income Fund and the Portfolio
may have difficulty disposing of Assignments and Participations. The liquidity
of such securities is limited and, the Fund and the Portfolio anticipate that
such securities could be sold only to a limited number of institutional
investors. The lack of a liquid secondary market could have an adverse impact on
the value of such securities and on the Fund's and the Portfolio's ability to
dispose of particular Assignments or Participations when necessary to meet the
Fund's and/or the Portfolio's liquidity needs or in response to a specific
economic event, such as a deterioration in the creditworthiness of the borrower.
The lack of a liquid secondary market for Assignments and Participations also
may make it more difficult for the Fund and/or the Portfolio to assign a value
to those securities for purposes of valuing the Fund's or the Portfolio's
portfolio and calculating its net asset value.
 
SOVEREIGN DEBT. The Strategic Income Fund and the Portfolio may invest in
sovereign debt securities of emerging market governments, including Brady Bonds.
Investments in such securities involve special risks. The issuer of the debt or
the governmental authorities that control the repayment of the debt may be
unable or unwilling to repay principal or interest when due in accordance with
the terms of such debt. Periods of economic uncertainty may result in the
volatility of market prices of sovereign debt obligations, and in turn a Fund's
net asset value, to a greater extent than the volatility inherent in domestic
fixed income securities.
 
A sovereign debtor's willingness or ability to repay principal and pay interest
in a timely manner may be affected by, among other factors, its cash flow
situation, the extent of its foreign reserves, the availability of sufficient
foreign exchange on the date a payment is due, the relative size of the debt
service burden to the economy as a whole, the sovereign debtor's policy toward
principal international lenders and the political constraints to which a
sovereign debtor may be subject. Emerging market governments could default on
their sovereign debt. Such sovereign debtors also may be dependent on expected
disbursements from foreign governments, multilateral agencies and other entities
abroad to reduce principal and interest arrearages on their debt. The commitment
on the part of these governments, agencies and others to make such disbursements
may be conditioned on a sovereign debtor's implementation of economic reforms
and/or economic performance and the timely service of such debtor's obligations.
Failure to implement such reforms, achieve such levels of economic performance
or repay principal or interest when due, may result in the cancellation of such
third parties' commitments to lend funds to the sovereign debtor, which may
further impair such debtor's ability or willingness to timely service its debts.
 
                               Prospectus Page 23
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
The occurrence of political, social or diplomatic changes in one or more of the
countries issuing sovereign debt could adversely affect the Fund's or the
Portfolio's investments. Emerging markets are faced with social and political
issues and some of them have experienced high rates of inflation in recent years
and have extensive internal debt. Among other effects, high inflation and
internal debt service requirements may adversely affect the cost and
availability of future domestic sovereign borrowing to finance governmental
programs, and may have other adverse social, political and economic
consequences. Political changes or a deterioration of a country's domestic
economy or balance of trade may affect the willingness of countries to service
their sovereign debt. Although the Sub-adviser intends to manage the Strategic
Income Fund and the Portfolio in a manner that will minimize the exposure to
such risks, there can be no assurance that adverse political changes will not
cause the Fund or the Portfolio to suffer a loss of interest or principal on any
of its holdings.
    
 
In recent years, some of the emerging market countries in which the Strategic
Income Fund and the Portfolio expect to invest have encountered difficulties in
servicing their sovereign debt obligations. Some of these countries have
withheld payments of interest and/or principal of sovereign debt. These
difficulties have also led to agreements to restructure external debt
obligations -- in particular, commercial bank loans, typically by rescheduling
principal payments, reducing interest rates and extending new credits to finance
interest payments on existing debt. In the future, holders of emerging market
sovereign debt securities may be requested to participate in similar
rescheduling of such debt. Certain emerging market countries are among the
largest debtors to commercial banks and foreign governments. Currently, Brazil,
Mexico and Argentina are the largest debtors among developing countries. At
times certain emerging market countries have declared moratoria on the payment
of principal and interest on external debt; such a moratorium is currently in
effect in certain emerging market countries. There is no bankruptcy proceeding
by which a creditor may collect in whole or in part sovereign debt on which an
emerging market government has defaulted.
 
The ability of emerging market governments to make timely payments on their
sovereign debt securities is likely to be influenced strongly by a country's
balance of trade and its access to trade and other international credits. A
country whose exports are concentrated in a few commodities could be vulnerable
to a decline in the international prices of one or more of such commodities.
Increased protectionism on the part of a country's trading partners could also
adversely affect its exports. Such events could diminish a country's trade
account surplus, if any. To the extent that a country receives payment for its
exports in currencies other than hard currencies, its ability to make hard
currency payments could be affected.
 
Investors should also be aware that certain sovereign debt instruments in which
the Strategic Income Fund and the Portfolio may invest involve great risk. As
noted above, sovereign debt obligations issued by emerging market governments
generally are deemed to be the equivalent in terms of quality to securities
rated below investment grade by Moody's and S&P. Such securities are regarded as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligations and involve
major risk exposure to adverse conditions. Some of such securities, with respect
to which the issuer currently may not be paying interest or may be in payment
default, may be comparable to securities rated D by S&P or C by Moody's. The
Strategic Income Fund and the Portfolio may have difficulty disposing of and
valuing certain sovereign debt obligations because there may be a limited
trading market for such securities. Because there is no liquid secondary market
for many of these securities, the Strategic Income Fund and the Portfolio
anticipate that such securities could be sold only to a limited number of
dealers or institutional investors.
 
LOWER QUALITY DEBT SECURITIES. Under normal market conditions the Strategic
Income Fund may invest up to 50% of its total assets in debt securities rated
below investment grade, and up to 100% the Portfolio's total assets will be so
invested. Such investments involve a high degree of risk.
 
Debt rated Baa by Moody's is considered by Moody's to have speculative
characteristics. Debt rated BB, B, CCC, CC or C by S&P and debt rated Ba, B,
Caa, Ca or C by Moody's, is regarded, on balance, as predominantly speculative
with respect to the issuer's capacity to pay interest and repay principal in
accordance with the terms of the obligation. While such lower quality debt will
likely have some quality and protective characteristics, these are outweighed by
large uncertainties or major risk exposures to adverse conditions. Debt rated C
by Moody's or S&P is the lowest quality debt that is not in default as to
principal or interest and such
 
                               Prospectus Page 24
<PAGE>
                             GT GLOBAL INCOME FUNDS
issues so rated can be regarded as having extremely poor prospects of ever
attaining any real investment standing. Lower quality debt securities are also
generally considered to be subject to greater risk than higher quality
securities with regard to a deterioration of general economic conditions. These
securities are the equivalent of high yield, high risk bonds, commonly known as
"junk bonds." As noted above, the Strategic Income Fund and the Portfolio may
invest in debt securities rated below C, which are in default as to principal
and/ or interest.
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit quality in response to subsequent events, so that an issuer's
current financial condition may be better or worse than a rating indicates. See
"Appendix A" for a discussion of Moody's and S&P's ratings.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. Issuers of lower quality securities are often highly
leveraged and may not have available to them more traditional methods of
financing. For example, during an economic downturn or a sustained period of
rising interest rates, highly leveraged issuers of lower quality securities may
experience financial stress. During such periods, such issuers may not have
sufficient revenues to meet their interest payment obligations. The issuer's
ability to service its debt obligations may also be adversely affected by
specific developments affecting the issuer, such as the issuer's inability to
meet specific projected business forecasts or the unavailability of additional
financing. The risk of loss due to default by the issuer is significantly
greater for the holders of lower quality securities because such securities are
generally unsecured and may be subordinated to the claims of other creditors of
the issuer.
 
Lower quality debt securities of corporate issuers frequently have call or
buy-back features which would permit an issuer to call or repurchase the
security from the Strategic Income Fund or the Portfolio. If an issuer exercises
these provisions in a declining interest rate market, the Strategic Income Fund
or the Portfolio may have to replace the security with a lower yielding
security, resulting in a decreased return for investors. In addition, the
Strategic Income Fund and the Portfolio may have difficulty disposing of lower
quality securities because there may be a thin trading market for such
securities. There may be no established retail secondary market for many of
these securities, and the Strategic Income Fund and the Portfolio anticipate
that such securities could be sold only to a limited number of dealers or
institutional investors. The lack of a liquid secondary market also may have an
adverse impact on market prices of such instruments and may make it more
difficult for the Strategic Income Fund and the Portfolio to obtain accurate
market quotations for purposes of valuing the securities in the portfolios of
the Strategic Income Fund and the Portfolio. Adverse publicity and investor
perceptions, whether or not based on fundamental analysis, may also decrease the
values and liquidity of lower quality securities, especially in a thinly traded
market. The Strategic Income Fund and the Portfolio also may acquire lower
quality debt securities during an initial underwriting or may acquire lower
quality debt securities which are sold without registration under applicable
securities laws. Such securities involve special considerations and risks.
 
Factors having an adverse effect on the market value of lower rated securities
or their equivalents purchased by the Strategic Income Fund and the Portfolio
will adversely impact net asset value of the Strategic Income Fund and the High
Income Fund. See "Risk Factors" in the Statement of Additional Information. In
addition to the foregoing, such factors may include: (i) potential adverse
publicity; (ii) heightened sensitivity to general economic or political
conditions; and (iii) the likely adverse impact of a major economic recession.
The Strategic Income Fund and the Portfolio each also may incur additional
expenses to the extent it is required to seek recovery upon a default in the
payment of principal or interest on its portfolio holdings, and the Fund and the
Portfolio may have limited legal recourse in the event of a default. Debt
securities issued by governments in emerging markets can differ from debt
obligations issued by private entities in that remedies from defaults generally
must be pursued in the courts of the defaulting government, and legal recourse
is therefore somewhat diminished. Political conditions, in terms of a
government's willingness to meet the terms of its debt obligations, also are of
considerable
 
                               Prospectus Page 25
<PAGE>
                             GT GLOBAL INCOME FUNDS
significance. There can be no assurance that the holders of commercial bank debt
may not contest payments to the holders of debt securities issued by governments
in emerging markets in the event of default by the governments under commercial
bank loan agreements.
 
   
As of October 31, 1997, the Strategic Income Fund and the Portfolio had 89.27%
and 86.59%, respectively, of their total net assets in debt securities that
received a rating from Moody's and 4.00% and 10.29%, respectively, of their
total net assets in debt securities that were not so rated. In addition, the
Strategic Income Fund and the Portfolio had 6.73% and 3.12%, respectively, of
their total net assets in cash and net receivables. The Strategic Income Fund
had the following percentages of its total net assets invested in rated
securities: Aaa -- 41.23%, Aa -- 12.68%, A -- 1.31%, Baa -- 3.75%, Ba -- 24.30%,
B -- 6.00%, Caa -- 0.00%, Ca -- 0.00%, C -- 0.00%. Included under the unrated
category are securities held by the Strategic Income Fund which, while unrated,
have been determined by the Sub-adviser to be of comparable quality to
securities in the following categories: Ba -- 1.03%; and B -- 2.97%. The
Portfolio had the following percentages of its total net assets invested in
rated securities: Aaa -- 7.99%, Aa -- 0.00%, A -- 0.00%, Baa -- 13.11%, Ba --
48.56%, B -- 16.93%, Caa -- 0.00%, Ca -- 0.00%, C -- 0.00%. Included under the
unrated category are securities held by the Portfolio which, while unrated, have
been determined by the Sub-adviser to be of comparable quality to securities in
the following rating categories: Ba -- 3.22%; and B -- 7.07%. It should be noted
that the allocation of the investments of the Strategic Income Fund and the
Portfolio by rating on any given date will vary and should not be considered
representative of the future portfolio composition of the Strategic Income Fund
or the Portfolio.
    
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Although each Fund and the
Portfolio is authorized to enter into options, futures and forward currency
transactions, the Funds and the Portfolio might not enter into any such
transactions. In addition, issuers in emerging markets typically are subject to
a greater degree of change in earnings and business prospects than issuers in
developed countries. Options, futures and foreign currency transactions involve
certain risks, which include: (1) dependence on the Sub-adviser's ability to
predict movements in the prices of individual securities, fluctuations in the
general securities markets or in the appropriate market sector and movements in
interest rates and currency markets; (2) imperfect correlation, or even no
correlation, between movements in the price of options, forward contracts,
futures contracts or options thereon and movements in the price of the currency
or security hedged or used for cover; (3) the fact that skills and techniques
needed to trade options, futures contracts and options thereon or to use forward
currency contracts are different from those needed to select the securities in
which a Fund or Portfolio invests; (4) lack of assurance that a liquid secondary
market will exist for any particular option, futures contract or option thereon
at any particular time; (5) the possible loss of principal under certain
conditions; and (6) the possible inability of a Fund or Portfolio to purchase or
sell a portfolio security at a time when it would otherwise be favorable for it
to do so, or the possible need for a Fund or Portfolio to sell a security at a
disadvantageous time, due to the need for the Fund or Portfolio to maintain
"cover" or to set aside securities in connection with hedging transactions.
    
 
   
ILLIQUID SECURITIES. The Government Income Fund, the Strategic Income Fund and
the Portfolio may invest up to 15% of their net assets, in securities for which
no readily available market exists, so-called "illiquid securities." Illiquid
securities may be more difficult to value than liquid securities and the sale of
illiquid securities generally will require more time and result in higher
brokerage charges or dealer discounts and other selling expenses than the sale
of liquid securities. Moreover, illiquid securities often sell at a price lower
than similar securities that are liquid.
    
 
                               Prospectus Page 26
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Advisor Class shares are offered through this Prospectus to [(a)
trustees or other fiduciaries purchasing shares for employee benefit plans which
are sponsored by organizations which have at least 1,000 employees; (b) any
account with assets of at least $10,000 if (i) a financial planner, trust
company, bank trust department or registered investment adviser has investment
discretion over such account, and (ii) the account holder pays such person as
compensation for its advice and other services an annual fee of at least .50% on
the assets in the account ("Advisory Account"); (c) any account with assets of
at least $10,000 if (i) such account is established under a "wrap fee" program,
and (ii) the account holder pays the sponsor of such program an annual fee of at
least .50% on the assets in the account ("Wrap Fee Account"); (d) accounts
advised by one of the companies composing or affiliated with AMVESCAP PLC; (e)
any of the companies composing or affiliated with AMVESCAP PLC; and (f) GT
Global New Dimension Fund.] Financial planners, trust companies, bank trust
companies and registered investment advisers referenced in subpart (b) and
sponsors of "wrap fee" programs referenced in subpart (c) are collectively
referred to as "Financial Advisers." Investors in Wrap Fee Accounts and Advisory
Accounts may only purchase Advisor Class shares through Financial Advisers who
have entered into agreements with AIM Distributors and certain of its
affiliates. Investors may be charged a fee by their agents or brokers if they
effect transactions other than through a dealer.
    
 
   
All purchase orders will be executed at the public offering price next
determined after the purchase order is received. Orders received by authorized
institutions (or their designees) before the close of regular trading on the New
York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern Time, unless weather,
equipment failure or other factors contribute to an earlier closing time) on any
Business Day will be executed at the public offering price for the applicable
class of shares determined that day. Orders received by authorized institutions
(or their designees) before the close of regular trading on the NYSE on a
Business Day will be deemed to have been received by a Fund on such day and will
be effected that day, provided that such orders are transmitted to the Transfer
Agent prior to the time set for the receipt of such orders. A "Business Day" is
any day Monday through Friday on which the NYSE is open for business. The
authorized institution (or its designee) will be responsible for forwarding the
investor's order to the Transfer Agent so that it will be received prior to such
time. THE FUNDS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER. In particular,
the Funds may reject purchase orders or exchanges by investors who appear to
follow, in the Sub-adviser's judgment, a market-timing strategy or otherwise
engage in excessive trading. See "How to Make Exchanges -- Limitations on
Purchase Orders and Exchanges."
    
 
   
Fiduciaries and Financial Advisers may be required to provide information
satisfactory to AIM Distributors concerning their eligibility to purchase
Advisor Class shares. For specific information on opening an account, please
contact your Financial Adviser or AIM Distributors.
    
 
   
PURCHASES BY BANK WIRE. Shares of the Funds may also be purchased by bank wire.
Bank wire purchases will be effected at the next determined public offering
price after the bank wire is received. A wire investment is considered received
when the Transfer Agent is notified that the bank wire has been credited to the
Funds. Prior telephonic or facsimile notice that a bank wire is being sent must
be provided to the Transfer Agent. A bank may charge a service fee for wiring
money to the Funds. The Transfer Agent currently does not charge a service fee
for facilitating wire purchases, but reserves the right to do so in the future.
For more information, please refer to the Shareholder Account Manual in this
Prospectus.
    
 
CERTIFICATES. Physical certificates representing a Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of a
Fund are recorded on a register by the Transfer Agent, and shareholders who do
not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
 
                               Prospectus Page 27
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
of properly executed certificates is required. ACCORDINGLY, THE FUNDS RECOMMEND
THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program nor
does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Certain Financial Institutions
may charge a fee for establishing accounts relating to the Program. Investors
should contact their Financial Institution or AIM Distributors for more
information.
    
 
                               Prospectus Page 28
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
   
Advisor Class shares of a Fund may be exchanged for Advisor Class shares of any
other GT Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds include
the following:
    
 
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
Exchange requests received in good order by the Transfer Agent before the close
of regular trading on the NYSE on any Business Day will be processed at the net
asset value calculated on that day. The terms of the exchange offer may be
modified at any time, on 60 days' prior written notice.
    
 
   
Investors in Wrap Fee Accounts and Advisory Accounts interested in making an
exchange should contact his or her Financial Adviser to request the prospectus
of the other GT Global Mutual Fund(s) being considered. Other investors should
contact AIM Distributors. See the Shareholder Account Manual in this Prospectus
for additional information.
    
 
                               Prospectus Page 29
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to his or
her Financial Adviser. Exchange orders will be accepted by telephone provided
that the exchange involves only uncertificated shares on deposit in the
shareholder's account or for which certificates have previously been deposited.
Shareholders automatically have telephone privileges to authorize exchanges. The
Funds, AIM Distributors and the Transfer Agent will not be liable for any loss
or damage for acting in good faith upon instructions received by telephone and
reasonably believed to be genuine. The Funds employ reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 30
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
   
Shares of each Fund may be redeemed at their net asset value and redemption
proceeds will be sent within seven days of the execution of a redemption
request. Redemption requests may be transmitted to the Transfer Agent by
telephone or by mail, in accordance with the instructions provided in the
Shareholder Account Manual. Redemptions will be effected at the net asset value
next determined after the Transfer Agent has received the request, provided that
the request is transmitted to the Transfer Agent prior to the time set for
receipt of such redemption request. Redemptions will only be effected if the
request is received in good order and accompanied by any required supporting
documentation. Redemption requests will not require a signature guarantee if the
redemption proceeds are to be sent either: (i) to the redeeming shareholder at
the shareholder's address of record as maintained by the Transfer Agent,
provided the shareholder's address of record has not been changed within the
preceding fifteen days; or (ii) directly to a pre-designated bank, savings and
loan or credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION
REQUESTS MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING
SHAREHOLDER'S SIGNATURE. A signature guarantee can be obtained from any bank,
U.S. trust company, a member firm of a U.S. stock exchange or a foreign branch
of any of the foregoing or other eligible guarantor institution. A notary public
is not an acceptable guarantor.
    
 
Shareholders with Pre-Designated Accounts should request that redemption
proceeds be sent either by bank wire or by check. The minimum redemption amount
for a bank wire is $500. Shareholders requesting a bank wire should allow two
business days from the time the redemption request is effected for the proceeds
to be deposited in the shareholder's Pre-Designated Account. See "How to Redeem
Shares -- Other Important Redemption Information." Shareholders may change their
Pre-Designated Accounts only by a letter of instruction to the Transfer Agent
containing all account signatures, each of which must be guaranteed. The
Transfer Agent currently does not charge a bank wire service fee for each wire
redemption sent, but reserves the right to do so in the future. The
shareholder's bank may charge a bank wire service fee.
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Funds, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in a Wrap Fee Account or Advisory Account who is in doubt
as to what documents are required should contact his Financial Adviser or the
Transfer Agent.
    
 
                               Prospectus Page 31
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone, or
by mail will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which a Fund has not yet
received good payment, the Fund may delay payment of redemption proceeds until
the Transfer Agent has assured itself that good payment has been collected for
the purchase of the shares. In the case of purchases by check it can take up to
10 business days to confirm that the check has cleared and good payment has been
received. Redemption proceeds will not be delayed when shares have been paid for
by wire or when the investor's account holds a sufficient number of shares for
which funds already have been collected.
 
   
AIM Distributors reserves the right to redeem the shares of any Advisory Account
or Wrap Fee Account if the amount invested in GT Global Mutual Funds through
such account is reduced to less than $500 through redemptions or other action by
the shareholder. Written notice will be given to the shareholder at least 60
days prior to the date fixed for such redemption, during which time the
shareholder may increase the amount invested in GT Global Mutual Funds through
such account to an aggregate amount of $500 or more.
    
 
- --------------------------------------------------------------------------------
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
Purchase, exchange and redemption orders should be placed in accordance with
this Manual. It is recommended that investors in Wrap Fee Accounts and Advisory
Accounts make such orders through their Financial Adviser. See "How to Invest,"
"How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
 
Each Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
Send the completed Account Application (if initial purchase) or letter stating
Fund name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
A new account may be opened by calling 1-800-223-2138 to obtain an account
number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION CONTAINING
THE APPROPRIATE CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT TO GT
GLOBAL AT THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire
instructions must state Fund name, class of shares, shareholder's registered
name and account number. Bank wires should be sent through the Federal Reserve
Bank Wire System to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
Shareholders with additional questions regarding purchase, exchange and
redemption procedures should call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 32
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
Each Fund calculates its net asset value as of the close of normal trading on
the NYSE (currently 4:00 p.m., Eastern Time, unless weather, equipment failure
or other factors contribute to an earlier closing time) each Business Day. Each
Fund's net asset value per share is computed by determining the value of its
total assets (which, in the case of the High Income Fund, is the value of its
proportionate share of the total assets of the Portfolio) subtracting all of its
liabilities, and dividing the result by the total number of shares outstanding
at such time. Net asset value is determined separately for each class of shares
of each Fund.
 
   
Long-term debt obligations held by a Fund or the Portfolio are valued at the
mean of representative quoted bid and asked prices for such securities or, if
such prices are not available, at prices for securities of comparable maturity,
quality and type; however, when the Sub-adviser deems it appropriate, prices
obtained from a bond pricing service will be used. Short-term debt investments
are amortized to maturity based on their cost, adjusted for foreign exchange
translation and market fluctuations, provided such valuations represent fair
value. Equity securities are valued at the last sale price on the exchange or in
the OTC market in which such securities are primarily traded, as of the close of
business on the day the securities are being valued, or, lacking any sales, at
the last available bid price. When market quotations for futures and options
positions held by a Fund or the Portfolio are readily available, those positions
are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's or the Portfolio's Board of Trustees. Securities and
other assets quoted in foreign currencies are valued in U.S. dollars based on
the prevailing exchange rates on that day.
    
 
Each Fund's or the Portfolio's portfolio securities, from time to time, may be
listed primarily on foreign exchanges or OTC dealer markets that may trade on
days when the NYSE is closed (such as Saturday). As a result, the net asset
value of a Fund may be significantly affected by such trading on days when
shareholders cannot purchase or redeem shares of that Fund.
 
                               Prospectus Page 33
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. Each Fund declares and pays monthly dividends
from its net investment income, if any, which includes accrued interest, earned
discount (including both original issue and market discounts) and dividends less
applicable expenses. Each Fund also annually distributes substantially all of
its realized net capital gains and net gains from foreign currency transactions,
if any. Each Fund may make an additional dividend or other distribution each
year if necessary to avoid a 4% excise tax on certain undistributed income and
gain.
 
Dividends and other distributions paid by each Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Advisor Class shares of a Fund will be higher than the
per share income dividends on shares of other classes of that Fund as a result
of the service and distribution fees applicable to those other shares.
SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Advisor Class shares of the distributing Fund (or other GT Global
    Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional Advisor Class shares are made at net asset
value without imposition of a sales charge. IF NO ELECTION IS MADE BY A
SHAREHOLDER, ALL DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY
REINVESTED IN ADDITIONAL ADVISOR CLASS SHARES OF THE DISTRIBUTING FUND.
Reinvestments in another GT Global Mutual Fund may only be directed to an
account with the identical shareholder registration and account number. These
elections may be changed by a shareholder at any time; to be effective with
respect to a distribution, the shareholder or the shareholder's broker must
contact the Transfer Agent by mail or telephone at least 15 Business Days prior
to the payment date. THE FEDERAL INCOME TAX CONSEQUENCES OF DIVIDENDS AND OTHER
DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE RECEIVED IN CASH OR REINVESTED IN
ADDITIONAL SHARES.
 
Any dividend or other distribution paid by a Fund has the effect of reducing the
net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. Each Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that a Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders. In the case of the High Income Fund, its
investment company taxable income and net capital gain consists of its
proportionate share of the Portfolio's net investment income, net gains from
certain foreign currency transactions and net short-term capital gain and net
capital gain. The Portfolio expects that it also will not be liable for any
federal income tax.
 
Dividends from a Fund's investment company taxable income (whether paid in cash
or reinvested in additional shares) are taxable to its shareholders as ordinary
income to the extent of the Fund's earnings and profits. Distributions of a
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate
 
                               Prospectus Page 34
<PAGE>
                             GT GLOBAL INCOME FUNDS
taxpayer's net capital gain depending on the taxpayer's holding period and
marginal rate of federal income tax -- generally, 28% for gain recognized on
securities held for more than one year but not more than 18 months and 20% (10%
for taxpayers in the 15% marginal tax bracket) for gain recognized on securities
held for more than 18 months. Pursuant to an Internal Revenue Service notice,
each Fund may divide each net capital gain distribution into a 28% rate gain
distribution and a 20% rate gain distribution (in accordance with the Fund's
holding periods for the securities it sold that generated the distributed gain)
and its shareholders must treat those portions accordingly.
 
Each Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes, but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
Each Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with a
Fund.
 
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares. An exchange of
Fund shares for shares of another GT Global Mutual Fund (including another Fund)
generally will have similar tax consequences. In addition, if shares of a Fund
are purchased within 30 days before or after redeeming other shares of that Fund
(regardless of class) at a loss, all or a part of the loss will not be
deductible and instead will increase the basis of the newly purchased shares.
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting each Fund and its shareholders. See "Taxes"
in the Statement of Additional Information for a further discussion. There may
be other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors are therefore urged to consult their
tax advisers.
 
- --------------------------------------------------------------------------------
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's and the Portfolio's Boards of Trustees have overall responsibility
for the operation of the Funds and the Portfolio, respectively. The Company's
and the Portfolio's Boards of Trustees have approved all significant agreements
between the Company and the Portfolio on the one side and persons or companies
furnishing services to the Funds and the Portfolio on the other, including the
investment advisory and administrative services agreement with AIM, the
investment sub-advisory and sub-administration agreement with the Sub-adviser,
the agreements with AIM Distributors regarding distribution of each Fund's
shares, the agreement with State Street Bank and Trust Company as the custodian
and the transfer agency agreement with GT Global Investors Services, Inc., an
affiliate of the Sub-adviser. The
    
 
                               Prospectus Page 35
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
day-to-day operations of each of the Funds and the Portfolio are delegated to
the officers of the Company and the Portfolio, subject always to the objective
and policies of the applicable Fund and the Portfolio and to the general
supervision of the Company's and the Portfolio's Boards of Trustees. See
"Trustees and Executive Officers" in the Statement of Additional Information for
information on the Trustees.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Government Income Fund's, the Strategic Income Fund's and the
Portfolio's investment managers and administrators include, but are not limited
to, determining the composition of the investment portfolio of the Government
Income Fund, the Strategic Income Fund and the Portfolio and placing orders to
buy, sell or hold particular securities. In addition, AIM and the Sub-adviser
provide the following administration services to the Funds and the Portfolio:
furnishing corporate officers and clerical staff; providing office space,
services and equipment; and supervising all matters relating to the Government
Income Fund's, the Strategic Income Fund's and the Portfolio's operation.
    
 
   
The Government Income Fund and the Strategic Income Fund each pays AIM
investment management and administration fees computed daily and payable
monthly, based on their respective average daily net assets, for such services
at the annualized rate of .725% on the first $500 million, .70% on the next $1
billion, .675% on the next $1 billion, and .65% on amounts thereafter. Out of
the aggregate fees payable by a Fund, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from
each Fund. The investment management and administration fees paid by the Funds
and the Portfolio are higher than those paid by most mutual funds. The High
Income Fund pays AIM administration fees at the annualized rate of 0.25% of the
Fund's average daily net assets. In addition, the Fund bears its pro rata
portion of the investment management and administration fees paid by the
Portfolio to AIM. The Portfolio pays AIM such fees, based on the average daily
net assets of the Portfolio at the annualized rate of .475% on the first $500
million, .45% on the next $1 billion, .425% on the next $1 billion and .40% on
amounts thereafter, plus 2% of the Portfolio's total investment income as stated
in the Portfolio's Statement of Operations, calculated in accordance with
generally accepted accounting principles, adjusted daily for currency
revaluations, on a marked to market basis, of the Portfolio's assets; provided,
however, that during any fiscal year this amount shall not exceed 2% of the
Portfolio's total investment income calculated in accordance with generally
accepted accounting principles. Out of its aggregate fees payable by the High
Income Fund and the Portfolio, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from the
High Income Fund and the Portfolio. Each Fund pays all expenses not assumed by
AIM, the Sub-adviser, AIM Distributors or any other agents. AIM has undertaken
to limit the expenses of the Advisor Class shares of the Government Income Fund
and the Strategic Income Fund (exclusive of brokerage commissions, taxes,
interest and extraordinary expenses) to the maximum annual level of 1.50% of the
average daily net assets of each such Fund's Advisor Class shares. AIM has
undertaken to limit the expenses of the High Income Fund's Advisor Class shares
(and such Fund's pro-rata portion of the Portfolio's expenses) to the maximum
annual level of 1.85% of the average daily net assets of such Fund's Advisor
Class shares.
    
 
   
The Sub-adviser also serves as each Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion and allocating the result according to each
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to the Government Income Fund, the Strategic Income Fund and
the Portfolio pursuant to a master investment advisory agreement, dated as of
            , 1998 (the "Advisory Agreement"). AIM was organized in 1976 and,
together with its subsidiaries, manages or advises [over 50] investment company
portfolios encompassing a broad range of investment objectives. The Sub-adviser,
50 California Street, 27th Floor, San Francisco, California 94111, and 1166
Avenue of the Americas, New York, New York 10036, serves as the sub-adviser to
the Government Income Fund, the Strategic Income Fund and the Portfolio pursuant
to an investment sub-advisory agreement dated as of             , 1998. On May
  , 1998, Liechtenstein Global Trust AG ("GT"), the former indirect parent
organization of the Sub-adviser, consummated a purchase agreement with AMVESCAP
PLC pursuant to which AMVESCAP PLC acquired GT's Asset Management Division,
which includes the
    
 
                               Prospectus Page 36
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
Sub-adviser and certain other affiliates. As a result of this transaction, the
Sub-adviser is now an indirect wholly owned subsidiary of AMVESCAP PLC. Prior to
the sale, the Sub-adviser and its worldwide asset management affiliates provided
investment management and/or administrative services to institutional, corporate
and individual clients around the world since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking each Fund's investment
 
objective.
    
 
The investment professionals primarily responsible for the portfolio management
of the Government Income Fund, the Strategic Income Fund and the Portfolio are
as follows:
 
   
<TABLE>
<CAPTION>
                             RESPONSIBILITIES FOR                             BUSINESS EXPERIENCE
NAME/OFFICE                        THE FUND                                     PAST FIVE YEARS
- -------------------------  -------------------------  -------------------------------------------------------------------
<S>                        <C>                        <C>
Michael Mabbutt            Portfolio Manager          Mr. Mabbutt joined [Chancellor GT] Asset Management, Inc. (the
 London                     Since 1997                 "Sub-adviser") and GT Asset Management PLC (London), an affiliate
                                                       of the Sub-adviser, in December 1996. He was appointed Head of
                                                       Global Emerging Market Debt for the Sub-adviser in April 1997.
                                                       Prior to joining the Sub-adviser, he was a Senior Portfolio
                                                       Manager for global fixed income at Baring Asset Management in
                                                       London from 1992 to 1996. At Baring Asset Management, he was
                                                       responsible for developing the emerging market debt process as
                                                       head of the five member Emerging Market Fixed Income Strategy
                                                       Group.
Cheng-Hock Lau             Portfolio Manager since    Mr. Lau has been Chief Investment Officer for Global Fixed Income
 New York                   1996 (Government Income    for the Sub-adviser since October 1996, and was a Senior Portfolio
                            Fund and Strategic         Manager for global/ international fixed income for Chancellor
                            Income Fund); since 1997   Capital Management, Inc. ("Chancellor Capital"), a predecessor of
                            (High Income Portfolio)    the Sub-adviser; from July 1995 to October 1996. Prior thereto,
                                                       Mr. Lau was a Senior Vice President and Senior Portfolio Manager
                                                       for Fiduciary Trust Company International from 1993 to 1995, and
                                                       Vice President at Bankers Trust Company from 1991 to 1993.
David B. Hughes            Portfolio Manager since    Mr. Hughes has been Head of Global Fixed Income, North America, for
 New York                   1998 (Government Income    the Sub-adviser since January 1998, and was a Senior Portfolio
                            Fund)                      Manager for global/international fixed income for the Sub-adviser
                                                       from July 1995 to December 1997. From July 1995 to October 1995,
                                                       Mr. Hughes was employed by Chancellor Capital. Prior thereto, Mr.
                                                       Hughes was an Assistant Vice President of Fiduciary Trust Company
                                                       International from 1994 to 1995, and Assistant Treasurer at the
                                                       Bankers Trust Company from 1991 to 1994.
</TABLE>
    
 
                               Prospectus Page 37
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
<TABLE>
<CAPTION>
                             RESPONSIBILITIES FOR                             BUSINESS EXPERIENCE
NAME/OFFICE                        THE FUND                                     PAST FIVE YEARS
- -------------------------  -------------------------  -------------------------------------------------------------------
<S>                        <C>                        <C>
Craig Munro                Portfolio Manager since    Mr. Munro has been a Portfolio Manager for the Sub- adviser since
 New York                   1998 (High Income          August 1997. Prior thereto, Mr. Munro was a Vice President, Senior
                            Portfolio)                 Analyst in the Emerging Markets Group of the Global Fixed Income
                                                       Division of Merrill Lynch Asset Management from 1993 to August
                                                       1997.
</TABLE>
    
 
                            ------------------------
 
   
In placing orders for the Government Income Fund's, Strategic Income Fund's and
the Portfolio's securities transactions, the Sub-adviser seeks to obtain the
best net results. Consistent with its obligation to obtain the best net results,
the Sub-adviser may consider a broker/dealer's sale of shares of the GT Global
Mutual Funds as a factor in considering through whom portfolio transactions will
be effected. Brokerage transactions for the Fund may be executed through
affiliates of AIM or the Sub-adviser. High portfolio turnover (over 100%)
involves correspondingly greater brokerage commissions and other transaction
costs that the Funds or the Portfolio will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. AIM Distributors is the distributor of each Fund's
Advisor Class shares. Like the Sub-adviser, AIM Distributors is a wholly owned
subsidiary of AIM. The address of AIM Distributors is P.O. Box 4739, Houston,
Texas 77210-4739.
    
 
   
The Sub-adviser or an affiliate thereof may make ongoing payments to Financial
Advisors and others that facilitate the administration and servicing of Advisor
Class shareholder accounts.
    
 
   
AIM Distributors, at its own expense, may provide promotional incentives to
brokers that sell shares of the Funds and/or shares of the other GT Global
Mutual Funds. In some instances additional compensation or promotional
incentives may be offered to brokers that have sold or may sell significant
amounts of shares during specified periods of time. Such compensation and
incentives may include, but are not limited to, cash, merchandise, trips and
financial assistance to brokers in connection with preapproved conferences or
seminars, sales or training programs for invited sales personnel, payment for
travel expenses (including meals and lodging) incurred by sales personnel and
members of their families or other invited guests to various locations for such
seminars or training programs, seminars for the public, advertising and sales
campaigns regarding one or more of the GT Global Mutual Funds, and/or other
events sponsored by the broker.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. Banks and broker/dealer affiliates of banks
also may execute dealer agreements with AIM Distributors for the purpose of
selling shares of the Funds. If a bank were prohibited from so acting, its
shareholder clients would be permitted to remain shareholders, and alternative
means for continuing the servicing of such shareholders would be sought. It is
not expected that shareholders would suffer any adverse financial consequences
as a result of any of these occurrences.
    
 
- --------------------------------------------------------------------------------
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in a Fund, the shareholder will receive from the
Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to a Fund's automatic dividend
reinvestment program may be provided quarterly. Shortly after the end of each
Fund's fiscal year on October 31 and fiscal half-year on April 30 of each year,
shareholders receive an annual and a semiannual report, respectively. In
addition, the federal income status of distributions made by a Fund to
shareholders are reported after the end of the calendar year on
 
                               Prospectus Page 38
<PAGE>
                             GT GLOBAL INCOME FUNDS
Form 1099-DIV. Under certain circumstances, duplicate mailings of the foregoing
reports to the same household may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of each Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of a Fund will be
voted by a Fund's shareholders individually when the matter affects the specific
interest of that Fund only, such as approval of its investment management
arrangements. In addition, shares of a particular class of a Fund may vote on
matters affecting only that class. The shares of each fund and of the Company's
other funds will be voted in the aggregate on other matters, such as the
election of Trustees and ratification of the Board of Trustees' selection of the
Company's independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Directors shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting shares may call a meeting of shareholders for the
purpose of voting upon the question of removal of any Trustee or for any other
purpose. The 1940 Act requires the Company to assist shareholders in calling
such a meeting.
    
 
Each Fund offers Advisor Class shares through this prospectus to certain
investors. Each Fund also offers Class A shares and Class B shares to investors
through a separate prospectus. Each class of shares will experience different
net asset values and dividends as a result of different expenses borne by each
class of shares. The per share net asset value and dividends of the Advisor
Class shares of a Fund generally will be higher than that of the Class A and B
shares of that Fund because of the higher expenses borne by the Class A and B
shares. Consequently, during comparable periods, the Funds expect that the total
return on an investment in shares of the Advisor Class will be higher than the
total return on Class A or B shares.
 
   
Pursuant to the Company's Declaration of Trust, it may issue an unlimited number
of shares of each of the Funds. Each share of a Fund represents an interest in
that Fund only, has a par value of $0.01 per share, represents an equal
proportionate interest in that Fund with other shares of the Fund and is
entitled to such dividends and other distributions out of the income earned and
gain realized on the assets belonging to that Fund as may be declared at the
discretion of the Board of Trustees. Each share of a Fund is equal in earnings,
assets and voting privileges, except that each class has exclusive voting rights
with respect to its distribution plan and bears the expenses, if any, related to
the distribution of its shares. Shares of each Fund, when issued, are fully paid
and nonassessable.
    
 
   
ORGANIZATION OF THE PORTFOLIO. The Portfolio is organized as a Delaware business
trust. The Portfolio's Declaration of Trust provides that the High Income Fund
and other entities investing in the Portfolio (E.G., other investment companies,
insurance company separate accounts and common and commingled trust funds), if
any, will each be liable for all obligations of the Portfolio. However, the
Trustees of the Company believe that the risk of the High Income Fund incurring
financial loss on account of such liability is limited to circumstances in which
both inadequate insurance existed and the Portfolio itself was unable to meet
its obligations, and that neither the High Income Fund nor its shareholders will
be exposed to a material risk of liability by reason of the High Income Fund's
investing in the Portfolio. Any information received from the Portfolio in the
Portfolio shareholder report will be provided to the High Income Fund's
shareholders.
    
 
Whenever the High Income Fund is requested to vote on any proposal of the
Portfolio, the High Income Fund will hold a meeting of Fund shareholders and
will cast its vote as instructed by Fund shareholders. Shares for which no
voting instructions are received will be voted in the same
 
                               Prospectus Page 39
<PAGE>
                             GT GLOBAL INCOME FUNDS
proportion as the shares for which voting instructions are received.
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Funds
toll free at (800) 223-2138 or by writing to the Funds at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Funds, from time to time, may include information
on their investment results and/or comparisons of their investment results to
various unmanaged indices or results of other mutual funds or groups of mutual
funds in advertisements, sales literature or reports furnished to present or
prospective shareholders. Investors should be aware that as of October 22, 1992,
the investment objectives of the Strategic Income Fund were changed from
long-term high capital appreciation, primarily and moderate income, secondarily,
to primarily high current income and secondarily capital appreciation. In
addition, the investment policies and limitations of the Strategic Income Fund
were modified.
 
In such materials, the Funds may quote their average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of each Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of a Fund. Standardized Return assumes
reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Funds' performance or
more accurately compare such performance to other measures of investment return,
the Funds also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized Return reflects percentage rates of return encompassing all
elements of return (i.e., income and capital appreciation or depreciation); it
assumes reinvestment of all dividends and other distributions. Non-Standardized
Return may be quoted for the same or different periods as those for which
Standardized Return is quoted; it may consist of an aggregate or average annual
percentage rate of return, actual year-by-year rates or any combination thereof.
Non-Standardized Return may or may not take sales charges into account;
performance data calculated without taking the effect of sales charges into
account will be higher than data including the effect of such charges.
 
The Funds also may refer in advertising and promotional materials to their
yield, which will fluctuate over time. A Fund's yield shows the rate of income
that it earns on its investments, expressed as a percentage of the public
offering price of its shares. A Fund calculates yield by determining the
interest income it earned from its portfolio investments for a specified
thirty-day period (net of expenses), dividing such income by the average number
of shares outstanding, and expressing the result as an annualized percentage
based on the public offering price at the end of that thirty-day period. Yield
accounting methods differ from the methods used for other accounting purposes.
Accordingly, a Fund's yield may not equal the dividend income actually paid to
investors or the income reported in its financial statements. Yield is
calculated separately for each class of shares of each Fund.
 
The Funds' performance data reflects past performance and will not necessarily
be indicative of future results. The Funds' investment results will vary from
time to time depending upon market conditions, the composition of their
portfolios and their operating expenses. These factors and possible differences
in calculation methods should be considered when comparing a Fund's investment
results with those published for other investment companies, other investment
vehicles and unmanaged indices. Each Fund's results also should be considered
relative to the risks associated with its investment objectives and policies.
See "Investment Results" in the Statement of Additional Information.
 
Each Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
                               Prospectus Page 40
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Funds are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM, and maintains its
offices at California Plaza, 2121 N. California Boulevard, Suite 450, Walnut
Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110, is custodian of each Fund's and the Portfolio's assets.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company, the Funds and
the Portfolio. Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-
adviser and the Transfer Agent in connection with other matters.
    
 
   
INDEPENDENT ACCOUNTANTS. The Company's and each Fund's and the Portfolio's
independent accountants are             , One Post Office Square, Boston, MA
02109.             conducts an annual audit of each Fund and the Portfolio,
assist in the preparation of each Fund's and the Portfolio's federal and state
income tax returns and consult with the Company, each Fund and the Portfolio as
to matters of accounting, regulatory filings, and federal and state income
taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 41
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   APPENDIX A
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by various entities from "Aaa" to "C." Investment grade ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa are judged to be of the best quality.
    They carry the smallest degree of investment risk and are generally referred
    to as "gilt edged." Interest payments are protected by a large or by an
    exceptionally stable margin and principal is secure. While the various
    protective elements are likely to change, such changes as can be visualized
    are most unlikely to impair the fundamentally strong position of such
    issues.
 
        Aa -- Bonds which are rated Aa are judged to be of high quality by all
    standards. Together with the Aaa group they comprise what are generally
    known as high grade bonds. They are rated lower than the best bonds because
    margins of protection may not be as large as in Aaa securities or
    fluctuation of protective elements may be of greater amplitude or there may
    be other elements present which make the long-term risk appear somewhat
    larger than the Aaa securities.
 
        A -- Bonds which are rated A possess many favorable investment
    attributes and are to be considered as upper-medium-grade obligations.
    Factors giving security to principal and interest are considered adequate,
    but elements may be present which suggest a susceptibility to impairment
    some time in the future.
 
        Baa -- Bonds which are rated Baa are considered as medium-grade
    obligations, (i.e., they are neither highly protected nor poorly secured).
    Interest payments and principal security appear adequate for the present but
    certain protective elements may be lacking or may be characteristically
    unreliable over any great length of time. Such bonds lack outstanding
    investment characteristics and in fact have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative elements;
    their future cannot be considered as well-assured. Often the protection of
    interest and principal payments may be very moderate, and thereby not well
    safeguarded during both good and bad times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B -- Bonds which are rated B generally lack characteristics of the
    desirable investment. Assurance of interest and principal payments or of
    maintenance of other terms of the contract over any long period of time may
    be small.
 
        Caa -- Bonds which are rated Caa are of poor standing. Such issues may
    be in default or there may be present elements of danger with respect to
    principal or interest.
 
        Ca -- Bonds which are rated Ca represent obligations which are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are rated C are the lowest rated class of bonds, and
    issues so rated can be regarded as having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has been
suspended or withdrawn, it may be for reasons unrelated to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
    1.  An application for rating was not received or accepted.
 
    2.  The issue or issuer belongs to a group of securities or companies that
are not rated as a matter of policy.
 
    3.  There is a lack of essential data pertaining to the issue or issuer.
 
    4.  The issue was privately placed, in which case the rating is not
published in Moody's publications.
 
                               Prospectus Page 42
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Suspension or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data to permit a judgment to be formed; if a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies numerical modifiers, 1, 2 and 3 in each generic rating
classification from Aa to Caa. The modifier 1 indicates that the Company ranks
in the higher end of its generic rating category; the modifier 2 indicates a
mid-range ranking; and the modifier 3 indicates that the Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a division of The McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various entities in categories ranging from "AAA"
to "D" according to quality. Investment grade ratings are the first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA -- An obligation rated "AA" differs from the highest rated
    obligations only in a small degree. The obligor's capacity to meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB -- An obligation rated "BBB" exhibits adequate protection
    parameters. However, adverse economic conditions or changing circumstances
    are more likely to lead to a weakened capacity of the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations rated "BB," "B," "CCC," "CC," and "C"
    are regarded as having significant speculative characteristics. "BB"
    indicates the least degree of speculation and "C" the highest. While such
    obligations will likely have some quality and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An obligation rated "BB" is less vulnerable to nonpayment than
    other speculative issues. However, it faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate capacity to meet its financial commitment
    on the obligation.
 
        B -- An obligation rated "B" is more vulnerable to nonpayment than
    obligations rated "BB," but the obligor currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its financial commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to have the capacity to meet its financial commitment on the
    obligation.
 
        CC -- An obligation rated "CC" is currently highly vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed or similar action has been taken, but payments on
    this obligation are being continued.
 
        D -- An obligation rated "D" is in payment default. The "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the applicable grace period has not expired, unless S&P believes
    that such payments will be made during such grace period. The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS (-): The ratings from "AA" to "CCC" may be modified by the
addition of a plus or minus sign to show relative standing within the major
rating categories.
 
NR: Indicates that no public rating has been requested, that there is
insufficient information on which to base a rating, or that S&P does not rate a
particular type of obligation as a matter of policy.
 
                               Prospectus Page 43
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
 
    MOODY'S employs the designation "Prime-1" to indicate commercial paper
having a superior ability for repayment of senior short-term debt obligations.
Prime-1 repayment ability will often be evidenced by many of the following
characteristics: leading market positions in well-established industries; high
rates of return on funds employed; conservative capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in earnings
coverage of fixed financial charges and high internal cash generation; and
well-established access to a range of financial markets and assured sources of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior short-term debt obligations. This normally will be evidenced by many of
the characteristics cited above but to a lesser degree. Earnings trends and
coverage ratios, while sound, may be more subject to variation. Capitalization
characteristics, while still appropriate, may be more affected by external
conditions. Ample alternate liquidity is maintained.
 
    S&P ratings of commercial paper are graded into several categories ranging
from "A1" for the highest quality obligations to "D" for the lowest. Issues in
the "A" category are delineated with numbers 1, 2, and 3 to indicate the
relative degree of safety. A-1 -- This highest category indicates that the
degree of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation. A-2 -- Capacity for timely payments on issues with this
designation is satisfactory; however, the relative degree of safety is not as
high as for issues designated "A-1."
 
                               Prospectus Page 44
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS. FOR MORE INFORMATION AND A PROSPECTUS ON ANY GT GLOBAL FUND,
  INCLUDING FEES, EXPENSES AND THE RISKS OF GLOBAL AND EMERGING MARKET
  INVESTING AND THE RISKS OF INVESTING IN A CONCENTRATION OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER OR CALL AIM DISTRIBUTORS DIRECTLY AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED IN THIS
  PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY A I M ADVISORS, INC.,
  [CHANCELLOR LGT ASSET MANAGEMENT, INC.,] G.T. INVESTMENT FUNDS, GT GLOBAL
  GOVERNMENT INCOME FUND, GT GLOBAL STRATEGIC INCOME FUND, GT GLOBAL HIGH
  INCOME FUND, GLOBAL HIGH INCOME PORTFOLIO, OR A I M DISTRIBUTORS, INC. THIS
  PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR SOLICITATION OF ANY OFFER
  TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY JURISDICTION TO ANY
  PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
   
                                                                   INCPV803001MC
    
<PAGE>
                        GT GLOBAL GROWTH & INCOME FUND:
                                 ADVISOR CLASS
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
   
GT GLOBAL GROWTH & INCOME FUND ("FUND") seeks long-term capital appreciation
together with current income. The Fund invests in a global portfolio of both
equity and debt securities, in such relative proportions as deemed most
appropriate by the Fund's investment manager, [Chancellor LGT Asset Management,
Inc. (the "Sub-adviser")], in view of then-current economic and market
conditions. There can be no assurance that the Fund will achieve its investment
objective.
    
 
   
The Fund is managed by A I M Advisors, Inc. ("AIM") and is sub-advised and
sub-administered by the Sub-adviser. AIM and the Sub-adviser and their worldwide
asset management affiliates provide investment management and/or administrative
services to institutional, corporate and individual clients around the world.
AIM and the Sub-adviser are both indirect wholly owned subsidiaries of AMVESCAP
PLC. AMVESCAP PLC and its subsidiaries are an independent investment management
group that has a significant presence in the institutional and retail segment of
the investment management industry in North America and Europe, and a growing
presence in Asia.
    
 
Shares offered by this Prospectus are available for purchase only by certain
investors and are offered at net asset value without the imposition of a front-
end or contingent deferred sales charge or Rule 12b-1 fees.
 
   
This Prospectus sets forth concisely information an investor should know before
investing and should be read carefully and retained for future reference. A
Statement of Additional Information, dated June 1, 1998, has been filed with the
Securities and Exchange Commission ("SEC") and, as supplemented or amended from
time to time, is incorporated herein by reference. The Statement of Additional
Information is available without charge by writing to the Fund at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling [(800) 824-1580]. It
is also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
An investment in the Fund offers the following advantages:
 
/ / Professional Management by a Leading Manager with Offices in the World's
    Major Markets
 
/ / Automatic Dividend and Other Distribution Reinvestment
 
/ / Exchange Privileges with the Advisor Class of the Other GT Global Mutual
    Funds
 
   
FOR FURTHER INFORMATION, CALL
 
[(800) 824-1580] OR CONTACT YOUR FINANCIAL ADVISER.
    
 
- --------------------------------------------------------------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
   PASSED ON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.      ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          6
Investment Objective and Policies.........................................................          8
How to Invest.............................................................................         13
How to Make Exchanges.....................................................................         15
How to Redeem Shares......................................................................         17
Shareholder Account Manual................................................................         19
Calculation of Net Asset Value............................................................         20
Dividends, Other Distributions and Federal Income Taxation................................         20
Management................................................................................         22
Other Information.........................................................................         24
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Fund:                                         The Fund is a non-diversified series of G.T. Investment Funds (the "Company").
 
Investment Objective:          The Fund seeks long-term capital appreciation together with
                               current income.
 
Principal Investments:         The Fund invests primarily in blue-chip equity securities and high
                               quality government bonds of issuers located in the United States
                               and throughout the world.
 
Principal Risk Factors:        There is no assurance that the Fund will achieve its investment
                               objective. The Fund's net asset value will fluctuate, reflecting
                               fluctuations in the market value of its portfolio holdings. The
                               value of debt securities held by the Fund generally fluctuates
                               inversely with interest rate movements. Certain investment grade
                               debt securities may possess speculative qualities.
 
                               The Fund may invest in foreign securities. Investments in foreign
                               securities involve risks relating to political and economic
                               developments abroad and the differences between the regulations to
                               which U.S. and foreign issuers are subject. Individual foreign
                               economies also may differ favorably or unfavorably from the U.S.
                               economy. Changes in foreign currency exchange rates will affect
                               the Fund's net asset value, earnings and gains and losses realized
                               on sales of securities. Securities of foreign companies may be
                               less liquid and their prices more volatile than those of
                               securities of comparable U.S. companies.
 
                               The Fund may engage in certain foreign currency, options and
                               futures transactions to attempt to hedge against the overall level
                               of investment and currency risk associated with its present or
                               planned investments. Such transactions involve certain risks and
                               transaction costs.
 
                               See "Investment Objective and Policies."
 
                               AIM and the Sub-adviser and their worldwide asset management
Investment Managers:           affiliates provide investment management and/or administrative
                               services to institutional, corporate and individual clients around
                               the world. AIM and the Sub-adviser are both indirect wholly owned
                               subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its subsidiaries
                               are an independent investment management group that has a
                               significant presence in the institutional and retail segment of
                               the investment management industry in North America and Europe,
                               and a growing presence in Asia. AIM was organized in 1976 and,
                               together with its affiliates, currently advises [over 50]
                               investment company portfolios. On              , 1998, AMVESCAP
                               PLC acquired the Asset Management Division of Liechtenstein Global
                               Trust AG ("GT"), which included the Sub-adviser and certain other
                               affiliates.
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               Advisor Class shares are offered through this Prospectus to [(a)
Advisor Class Shares:          trustees or other fiduciaries purchasing shares for employee
                               benefit plans that are sponsored by organizations that have at
                               least 1,000 employees; (b) any account with assets of at least
                               $10,000 if (i) a financial planner, trust company, bank trust
                               department or registered investment adviser has investment
                               discretion over such account, and (ii) the account holder pays
                               such person as compensation for its advice and other services an
                               annual fee of at least 0.50% on the assets in the account; (c) any
                               account with assets of a least $10,000 if (i) such account is
                               established under a "wrap fee" program, and (ii) the account
                               holder pays the sponsor of such program an annual fee of at least
                               0.50% on the assets in the account; (d) accounts advised by one of
                               the companies composing or affiliated with AMVESCAP PLC; and (e)
                               any of the companies composing or affiliated with AMVESCAP PLC.]
 
Shares Available Through:      Advisor Class shares are available through Financial Advisers (as
                               defined herein) that have entered into agreements with the Fund's
                               distributor, A I M Distributors, Inc. ("AIM Distributors") or
                               certain of its affiliates. Shares also may be acquired by sending
                               an application directly to GT Investor Services, Inc. (the
                               "Transfer Agent") or through exchanges of shares as described
                               below. See "How to Invest" and "Shareholder Account Manual."
 
Exchange Privileges:           Advisor Class shares may only be exchanged for Advisor Class
                               shares of other GT Global Mutual Funds, which are open-end
                               management investment companies sub-advised by the Sub-adviser.
                               See "How to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be redeemed through the Fund's Transfer Agent. See "How
                               to Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other            Dividends are paid quarterly from net investment income; other
  Distributions:               distributions are paid annually from net short-term capital gain,
                               net capital gain and net gains from foreign currency transactions,
                               if any.
 
Reinvestment:                  Dividends and other distributions may be reinvested automatically
                               in Advisor Class shares of the Fund or in Advisor Class shares of
                               other GT Global Mutual Funds.
</TABLE>
    
 
                               Prospectus Page 4
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transactions costs
associated with investing in the Advisor Class shares of the Fund are reflected
in the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                                                            ADVISOR CLASS
                                                                                                           ---------------
<S>                                                                                                        <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases of shares (as a % of offering price).................................          None
  Sales charges on reinvested distributions to shareholders..............................................          None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is
    less)................................................................................................          None
  Redemption charges.....................................................................................          None
  Exchange Fees..........................................................................................          None
ANNUAL FUND OPERATING EXPENSES (2):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees..........................................................         0.97%
  12b-1 distribution and service fees....................................................................          None
  Other expenses.........................................................................................         0.32%
                                                                                                                -------
Total Fund Operating Expenses............................................................................         1.29%
                                                                                                                -------
                                                                                                                -------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
<TABLE>
<CAPTION>
                                                                                           ONE    THREE   FIVE     TEN
                                                                                           YEAR   YEARS   YEARS   YEARS
                                                                                           ----   -----   -----   -----
<S>                                                                                        <C>    <C>     <C>     <C>
Advisor Class Shares.....................................................................  $13     $41    $ 71    $156
</TABLE>
 
- --------------
   
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUND'S
    ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT EXPENSES, MAY BE MORE
    OR LESS THAN THOSE SHOWN. The tables and the assumption in the Hypothetical
    Example of a 5% annual return are required by regulation of the SEC
    applicable to all mutual funds. The 5% annual return is not a prediction of
    and does not represent the Fund's projected or actual performance.
    
 
   
(2) Expenses are based on the Fund's fiscal year ended October 31, 1997. "Other
    expenses" include custody, transfer agent, legal, audit and other operating
    expenses. See "Management" herein and the Statement of Additional
    Information for more information. Investors purchasing Advisor Class shares
    through financial planners, trust companies, bank trust departments or
    registered investment advisers, or under a "wrap fee" program, will be
    subject to additional fees charged by such entities or by the sponsors of
    such programs. Where any account advised by one of the companies composing
    or affiliated with AMVESCAP PLC invests in Advisor Class shares of the Fund,
    such account shall not be subject to duplicative advisory fees.
    
 
                               Prospectus Page 5
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Advisor Class share of the Fund. This
information is supplemented by the financial statements and accompanying notes
appearing in the Statement of Additional
 
   
Information. The financial statements and notes for the fiscal year ended
October 31, 1997 have been audited by              , independent accountants,
whose report thereon also is included in the Statement of Additional
Information.
    
 
   
<TABLE>
<CAPTION>
                                                              CLASS A+
                                --------------------------------------------------------------------
                                                        YEAR ENDED OCT. 31,
                                --------------------------------------------------------------------
                                 1997(A)      1996        1995        1994       1993(A)      1992
                                ---------   ---------   ---------   ---------   ---------   --------
<S>                             <C>         <C>         <C>         <C>         <C>         <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................  $    7.11   $    6.35   $    6.21   $    6.29   $    5.28   $   5.25
                                ---------   ---------   ---------   ---------   ---------   --------
Income from investment
 operations:
  Net investment income.......       0.21        0.22        0.24        0.22        0.24*      0.21*
  Net realized and unrealized
   gain (loss) on
   investments................       1.12        0.82        0.13      (0.03)        1.05       0.10
                                ---------   ---------   ---------   ---------   ---------   --------
    Net increase (decrease)
     from investment
     operations...............       1.33        1.04        0.37        0.19        1.29       0.31
                                ---------   ---------   ---------   ---------   ---------   --------
Distributions:
  From net investment
   income.....................     (0.21)      (0.24)      (0.22)      (0.21)      (0.24)     (0.14)
  From net realized gain on
   investments................     (0.02)      (0.04)      (0.01)      (0.06)          --     (0.14)
  From sources other than net
   investment income..........         --          --          --          --      (0.04)         --
                                ---------   ---------   ---------   ---------   ---------   --------
    Total distributions.......     (0.23)      (0.28)      (0.23)      (0.27)      (0.28)     (0.28)
                                ---------   ---------   ---------   ---------   ---------   --------
Net asset value, end of
 period.......................  $    8.21   $    7.11   $    6.35   $    6.21   $    6.29   $   5.28
                                ---------   ---------   ---------   ---------   ---------   --------
                                ---------   ---------   ---------   ---------   ---------   --------
Total investment return (e)...     19.01%      16.80%       6.27%       3.14%       25.1%       5.9%
                                ---------   ---------   ---------   ---------   ---------   --------
                                ---------   ---------   ---------   ---------   ---------   --------
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $ 292,528   $ 286,203   $ 284,069   $ 317,847   $ 251,428   $ 27,754
Ratio of net investment income
 to average net assets........      2.74%       3.17%       3.85%       3.30%        3.3%*      4.1%*
Ratio of expenses to average
 net assets:
  With expense reductions.....      1.50%       1.59%       1.70%       1.67%        1.8%*      1.9%*
  Without expense
   reductions.................      1.64%       1.66%       1.74%         N/A         N/A        N/A
Portfolio turnover rate +++...        50%         39%         83%        117%         24%        53%
Average commission rate per
 share paid on portfolio
 transactions +++.............  $  0.0151   $  0.0139         N/A         N/A         N/A        N/A
<FN>
- ------------------
 
+    All capital shares issued and outstanding as of October 21, 1992 were
     reclassified as Class A shares.
 
+++  Portfolio turnover and average commission rates are calculated on the basis
     of the Fund as a whole without distinguishing between the classes of shares
     issued.
 
*    Includes reimbursement by the Sub-adviser of Fund operating expenses of
     $0.005, $0.02, $0.03 and $0.01 for the years ended October 31, 1993, 1992,
     1991 and for the period from September 25, 1990 to October 31, 1990,
     respectively. Without such reimbursements, the expense ratios would have
     been 1.93%, 2.20%, 2.46% and 2.40% and the net investment income to average
     net assets would have been 3.20%, 3.70%, 4.40% and 1.04% for the years
     ended October 31, 1993, 1992, 1991 and for the period from September 25,
     1990 to October 31, 1990, respectively.
 
**   Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a)  These selected per share data were calculated based upon average shares
     outstanding during the year.
 
(b)  Not annualized.
 
(c)  Annualized.
 
(e)  Total investment return does not include sales charges.
 
N/A  Not Applicable.
</TABLE>
    
 
                               Prospectus Page 6
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
<TABLE>
<CAPTION>
                                        CLASS A+                     ADVISOR CLASS**
                                ------------------------   ------------------------------------
                                             SEPT. 25,
                                               1990
                                           (COMMENCEMENT                              JUNE 1,
                                  YEAR          OF               YEAR ENDED            1995
                                 ENDED      OPERATIONS)           OCT. 31,              TO
                                OCT. 31,        TO         ----------------------    OCT. 31,
                                  1991     OCT. 31, 1990   1997(A)       1996          1995
                                --------   -------------   --------   -----------   -----------
<S>                             <C>        <C>             <C>        <C>           <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................  $  4.77       $ 4.76       $   7.10     $    6.35     $    6.24
                                --------   -------------   --------   -----------   -----------
Income from investment
 operations:
  Net investment income.......     0.27*        0.01*          0.23          0.23          0.11
  Net realized and unrealized
   gain (loss) on
   investments................     0.47           --           1.13          0.82          0.13
                                --------   -------------   --------   -----------   -----------
    Net increase (decrease)
     from investment
     operations...............     0.74         0.01           1.36          1.05          0.24
                                --------   -------------   --------   -----------   -----------
Distributions:
  From net investment
   income.....................   (0.26)           --         (0.24)        (0.26)        (0.13)
  From net realized gain on
   investments................       --           --         (0.02)        (0.04)            --
  From sources other than net
   investment income..........       --           --             --            --            --
                                --------   -------------   --------   -----------   -----------
    Total distributions.......   (0.26)           --         (0.26)        (0.30)        (0.13)
                                --------   -------------   --------   -----------   -----------
Net asset value, end of
 period.......................  $  5.25       $ 4.77       $   8.20     $    7.10     $    6.35
                                --------   -------------   --------   -----------   -----------
                                --------   -------------   --------   -----------   -----------
Total investment return (e)...   15.68%         0.2%(b)      19.23%        17.19%         3.83%(b)
                                --------   -------------   --------   -----------   -----------
                                --------   -------------   --------   -----------   -----------
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $71,376       $9,486       $  3,057     $   3,085           944
Ratio of net investment income
 to average net assets........     5.0%*        2.9%*(c)      3.09%         3.52%         4.20%(c)
Ratio of expenses to average
 net assets:
  With expense reductions.....     1.9%*        0.6%*(c)      1.15%         1.24%         1.35%(c)
  Without expense reductions
   and reimbursements.........      N/A          N/A          1.29%         1.31%         1.39%(c)
Portfolio turnover rate +++...      46%         None            50%           39%           83%
Average commission rate per
 share paid on portfolio
 transactions +++.............      N/A          N/A       $ 0.0151     $  0.0139           N/A
<FN>
- ------------------
+++  Portfolio turnover and average commission rates are calculated on the basis
     of the Fund as a whole without distinguishing between the classes of shares
     issued.
*    Includes reimbursement by the Sub-adviser of Fund operating expenses of
     $0.005, $0.02, $0.03 and $0.01 for the years ended October 31, 1993, 1992,
     1991 and for the period from September 25, 1990 to October 31, 1990,
     respectively. Without such reimbursements, the expense ratios would have
     been 1.93%, 2.20%, 2.46% and 2.40% and the net investment income to average
     net assets would have been 3.20%, 3.70%, 4.40% and 1.04% for the years
     ended October 31, 1993, 1992, 1991 and for the period from September 25,
     1990 to October 31, 1990, respectively.
**   Commencing June 1, 1995, the Fund began offering Advisor Class shares.
(a)  These selected per share data were calculated based upon average shares
     outstanding during the year.
(b)  Not annualized.
(c)  Annualized.
(e)  Total investment return does not include sales charges.
N/A  Not Applicable.
</TABLE>
    
 
                            ------------------------
 
<TABLE>
<CAPTION>
                                                                                 AVERAGE MONTHLY
                                                                                    NUMBER OF
                                                              AVERAGE MONTHLY      REGISTRANT'S
                                                              AMOUNT OF DEBT          SHARES         AVERAGE AMOUNT
                                           AMOUNT OF DEBT       OUTSTANDING        OUTSTANDING         OF DEBT PER
                                           OUTSTANDING AT       DURING THE          DURING THE        SHARE DURING
YEAR ENDED                                  END OF PERIOD         PERIOD              PERIOD           THE PERIOD
- ----------------------------------------  -----------------  -----------------  ------------------  -----------------
<S>                                       <C>                <C>                <C>                 <C>
October 31, 1997........................         --              $  77,178           92,456,411         $  0.0008
</TABLE>
 
                               Prospectus Page 7
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
The Fund's investment objective is long-term capital appreciation together with
current income. The Fund seeks its objective by investing in a global portfolio
of both equity and debt securities, allocated among diverse international
markets. There is no assurance that the Fund's investment objective will be
achieved.
 
   
At least 65% of the Fund's total assets normally will be invested in a
combination of blue-chip equity securities and high quality government bonds.
The Fund considers an equity security to be "blue chip" if: (i) during the
issuer's most recent fiscal year the security offered an above average dividend
yield relative to the latest reported dividend yield on the Morgan Stanley
Capital International World Index; AND (ii) the total equity market
capitalization of the issuer is at least $1 billion. Government bonds are deemed
to be high quality if at the time of the Fund's investment they are rated within
one of the two highest ratings categories of Moody's Investors Service, Inc.
("Moody's") or by Standard & Poor's, a division of The McGraw-Hill Companies,
Inc. ("S&P"), or, if not rated, are deemed to be of equivalent quality in the
judgment of the Sub-adviser.
    
 
   
Up to 35% of the Fund's total assets may be invested in other equity securities
and investment grade government and corporate debt obligations which the
Sub-adviser believes will assist the Fund in achieving its objective.
"Investment grade" debt securities are those rated within one of the four
highest ratings categories of Moody's or S&P, or, if not rated, deemed to be of
equivalent quality in the judgment of the Sub-adviser.
    
 
Equity securities that the Fund may purchase include common stocks, preferred
stocks and warrants to acquire such stocks and other equity securities.
Government bonds that the Fund may purchase include debt obligations issued or
guaranteed by the United States or foreign governments (including foreign
states, provinces or municipalities) or their agencies, authorities or
instrumentalities and debt obligations of supranational entities organized or
supported by several national governments, such as the World Bank and the Asian
Development Bank. The debt obligations held by the Fund may include debt
obligations convertible into equity securities or having attached warrants or
rights to purchase equity securities. The Fund may purchase securities that are
issued by the government or a corporation or financial institution of one nation
but denominated in the currency of another nation (or a multinational currency
unit).
 
   
According to the Sub-adviser, as of the date of this Prospectus, more than 50%
of the total equity market capitalization worldwide is represented by non-U.S.
equity securities, and more than 50% of the value of all outstanding government
debt obligations throughout the world is represented by obligations denominated
in currencies other than the U.S. dollar. Moreover, from time to time the equity
and debt securities of issuers located outside the United States have
substantially outperformed the equity and debt securities of U.S. issuers.
Accordingly, the Sub-adviser believes that the Fund's policy of investing in a
global portfolio of equity and debt securities may enable the achievement of
long-term results superior to those produced by mutual funds with similar
objectives to that of the Fund that invest solely in U.S. equity and debt
securities.
    
 
   
SELECTION OF INVESTMENTS AND ASSET ALLOCATION. Consistent with the Fund's
investment objective, the Sub-adviser employs a conservative investment style in
managing the Fund's assets. In so doing the Sub-adviser attempts to limit
volatility and risk to capital. The Sub-adviser allocates the Fund's assets
among securities of countries and in currency denominations where opportunities
for meeting the Fund's investment objective are expected to be the most
attractive. The Sub-adviser attempts to identify those countries and industries
where economic and political factors are likely to produce above-average growth
rates and to further identify companies in such countries and industries that
are best positioned and managed to benefit from these factors.
    
 
The Fund currently contemplates that it will invest principally in securities of
issuers in the United States, Canada, Japan, Western Europe, New Zealand and
Australia. The Fund may invest substantially in securities denominated in one or
more currencies. Under normal conditions, the
 
                               Prospectus Page 8
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
Fund invests in issuers of not less than three different countries and issuers
of any one country, other than the United States, will represent no more than
40% of the Fund's total assets.
 
   
The relative proportions of equity and debt securities held by the Fund at any
one time will vary, depending upon the Sub-adviser's assessment of global
political and economic conditions and the relative strengths and weaknesses of
the world equity and debt markets. To enable the Fund to respond to general
economic changes and market conditions around the world, the Fund is authorized
to invest up to 100% of its total assets in either equity securities or debt
securities.
    
 
   
In selecting equity securities for investment, the Sub-adviser attempts to
identify and acquire only securities it deems to represent high or improving
investment quality. Securities representing high investment quality generally
will include those of well-known, established and successful issuers that the
Sub-adviser believes will continue to be successful in the future. Securities
representing improving investment quality may include those of an issuer that
has improved its sales or earnings or of an issuer the balance sheet and
financial condition of which is improving. The Sub-adviser seeks to avoid
investing in equity securities that appear overly speculative or risky, even if
they have attractive features or investment potential.
    
 
   
In evaluating debt securities considered for the Fund, the Sub-adviser analyzes
their yield, maturity, issue classification and quality characteristics, coupled
with expectations regarding local and world economies, movements in the general
level and term of interest rates, currency values, political developments, and
variations in the supply of funds available for investment in the world bond
market relative to the demands placed upon it. There are no limitations on the
maximum or minimum maturities of the debt securities considered by the Fund or
on the average weighted maturity of the debt portion of the Fund's portfolio.
Should the rating of a debt security be revised while such security is owned by
the Fund, the Sub-adviser will evaluate what action, if any, is appropriate with
respect to such security.
    
 
   
The Sub-adviser generally evaluates currencies on the basis of fundamental
economic criteria (e.g., relative inflation and interest rate levels and trends,
growth rate forecasts, balance of payments status and economic policies) as well
as technical and political data. The Fund may seek to protect itself against
negative currency movements by engaging in hedging techniques through the use of
options, futures and forward currency contracts.
    
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy if
it determines such a strategy to be warranted due to market, economic or
political conditions. Under a defensive strategy, the Fund may hold cash (U.S.
dollars, foreign currencies or multinational currency units) and/or invest any
portion or all of its assets in high quality money market instruments of U.S. or
foreign issuers. In addition, for temporary defensive purposes, most or all of
the Fund's investments may be made in the United States and denominated in U.S.
dollars. To the extent the Fund adopts a temporary defensive posture, it will
not be invested so as to directly achieve its investment objective. In addition,
pending investment of proceeds from new sales of Fund shares or in order to meet
ordinary daily cash needs, the Fund may hold cash (U.S. dollars, foreign
currencies or multinational currency units) and may invest in foreign or
domestic high quality money market instruments. For a full description of money
market instruments, see                  in the Statement of Additional
Information.
    
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND ROLL TRANSACTIONS. The Fund may
borrow from banks or may borrow through reverse repurchase agreements and "roll"
transactions in connection with meeting requests for the redemption of Fund
shares. The Fund also may borrow up to 5% of its total assets for temporary or
emergency purposes other than to meet redemptions. The Fund may borrow up to
33 1/3% of its total assets. However, the Fund will not purchase securities
while borrowings in excess of 5% of the Fund's total assets are outstanding. Any
borrowing by the Fund may cause greater fluctuation in the value of its shares
than would be the case if the Fund did not borrow.
 
A reverse repurchase agreement is a borrowing transaction in which the Fund
transfers possession of a security to another party, such as a bank or
broker/dealer, in return for cash, and agrees to repurchase the security in the
future at an agreed upon price which includes an interest component. A "roll"
borrowing transaction involves the Fund's sale of securities together with its
commitment (for which the Fund may receive a fee) to purchase similar, but not
identical, securities at a future date.
 
                               Prospectus Page 9
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
SECURITIES LENDING. The Fund may lend its portfolio securities to broker/dealers
or to other institutional investors. Securities lending allows the Fund to
retain ownership of the securities loaned and, at the same time, enhances the
Fund's total return. The Fund limits its loans of portfolio securities to an
aggregate of 30% of the value of its total assets, measured at the time any such
loan is made. While a loan is outstanding the borrower must maintain with the
Fund's custodian collateral consisting of cash, U.S. government securities or
certain irrevocable letters of credit equal to at least 100% of the value of the
borrowed securities, plus any accrued interest or such other collateral as
permitted by the Fund's investment program and regulatory agencies, and as
approved by the Board. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the securities and possible loss of rights in the
collateral should the borrower fail financially.
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally will not be registered with, nor the
issuers thereof be subject to the reporting requirements of the SEC.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available about domestic securities and issuers.
Foreign companies generally are not subject to uniform accounting, auditing and
financial reporting standards, practices and requirements comparable to those
applicable to domestic companies. In addition, certain costs attributable to
foreign investing, such as custody charges, are higher than those attributable
to domestic investing. Securities of some foreign companies are less liquid and
their prices may be more volatile than securities of comparable domestic
companies. The Fund's net investment income from foreign issuers may be subject
to non-U.S. withholding taxes, thereby reducing the Fund's net investment
income.
 
With respect to some foreign countries, there is the increased possibility of
expropriation or confiscatory taxation, limitations on the removal of funds or
other assets of the Fund, political or social instability, or diplomatic or
economic developments which could affect the Fund's investments in those
countries. Moreover, individual foreign economies may differ favorably or
unfavorably from the U.S. economy in such respects as growth of gross national
product, rate of inflation, rate of savings and capital reinvestment, resource
self-sufficiency and balance of payments positions. Investments in foreign
government securities involve special risks, including the risk that the
government issuers may be unable or unwilling to repay principal and interest
when due.
 
The Fund will also be affected favorably or unfavorably by exchange control
regulations or changes in the exchange rates between such currencies and the
U.S. dollar. Changes in currency exchange rates will influence the value of the
Fund's shares, and also may affect the value of dividends and interest earned by
the Fund and gains and losses realized by the Fund.
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. To attempt to increase
return, the Fund may write call options on securities. This strategy will be
employed only when, in the opinion of the Sub-adviser, the size of the premium
the Fund receives for writing the option is adequate to compensate the Fund
against the risk that appreciation in the underlying security may not be fully
realized if the option is exercised. The Fund also is authorized to write put
options to attempt to enhance return, although it does not have the current
intention of so doing.
    
 
The Fund may also use forward currency contracts, futures contracts, options on
securities, options on currencies, options on indices and options on futures
contracts to attempt to hedge against the overall level of investment and
currency risk normally associated with the Fund's investments. These instruments
are often referred to as "derivatives," which may be defined as financial
instruments whose performance is derived, at least in part, from the performance
of another asset (such as a security, currency or an index of securities). The
Fund may enter into such instruments up to the full value of its portfolio
assets. See "Options, Futures and Currency Strategies" in the Statement of
Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, the Fund may enter into forward currency contracts for the purchase
or sale of a specified currency at a specified future date. Such contracts may
involve the purchase or sale of a foreign currency against the U.S. dollar, or
may involve two foreign currencies. The Fund may enter into forward currency
contracts either with respect to specific transactions or with respect to the
Fund's portfolio positions. The Fund also may purchase and sell put and call
options on currencies, futures contracts on
 
                               Prospectus Page 10
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
currencies and options on such futures contracts to hedge the Fund's portfolio
against movements in exchange rates.
 
   
In addition, the Fund may purchase and sell put and call options on equity and
debt securities to hedge against the risk of fluctuations in the prices of
securities held by the Fund or that the Sub-adviser intends to include in the
Fund's portfolio. The Fund also may purchase and sell put and call options on
stock indices to hedge against overall fluctuations in the securities markets or
in a specific market sector.
    
 
Further, the Fund may sell index futures contracts and may purchase put options
or write call options on such futures contracts to protect against a general
market or a specific market sector decline that could adversely affect the
Fund's portfolio. The Fund also may purchase index futures contracts and
purchase call options or write put options on such contracts to hedge against a
general market or market sector advance and thereby attempt to lessen the cost
of future securities acquisitions. Similarly, the Fund may use interest rate
futures contracts and options thereon to hedge the debt portion of its portfolio
against changes in the general level of interest rates.
 
   
Although the Fund is authorized to enter into options, futures and forward
currency transactions, the Fund might not enter into any such transactions.
Options, futures and foreign currency transactions involve certain risks, which
include: (1) dependence on the Sub-adviser's ability to predict movements in the
prices of individual securities, fluctuations in the general securities markets
and movements in interest rates and currency markets; (2) imperfect correlation,
or even no correlation, between movements in the price of forward contracts,
options, futures contracts or options thereon and movements in the price of the
currency or security hedged or used for cover; (3) the fact that the skills and
techniques needed to trade options, futures contracts and options thereon or to
use forward currency contracts are different from those needed to select the
securities in which the Fund invests; (4) the lack of assurance that a liquid
secondary market will exist for any particular option, futures contract or
option thereon at any particular time; (5) the possible loss of principal under
certain conditions; and (6) the possible inability of the Fund to purchase or
sell a portfolio security at a time when it would otherwise be favorable for it
to do so, or the possible need for the Fund to sell a security at a
disadvantageous time, due to the need for the Fund to maintain "cover" or to set
aside securities in connection with hedging transactions.
    
 
OTHER POLICIES AND RISKS. The Fund's net asset value will fluctuate, reflecting
fluctuations in the market value of its portfolio positions. Equity securities,
particularly common stocks, generally represent the most junior position in an
issuer's capital structure, and entitle holders to an interest in the assets of
an issuer, if any, remaining after all more senior claims have been satisfied.
The value of equity securities held by the Fund will fluctuate in response to
general market and economic developments, as well as developments affecting the
particular issuers of such securities. In addition, the value of debt securities
held by the Fund generally will fluctuate with changes in the perceived
creditworthiness of the issuers of such securities and movements in interest
rates. Investment grade debt securities rated Baa by Moody's are described by
Moody's as having speculative characteristics, and therefore may be affected by
economic conditions and changes in the circumstances of their issuers to a
greater extent than higher rated bonds.
 
The Fund may invest up to 10% of its net assets in illiquid securities and other
securities for which no readily available market exists. The Fund may also
invest up to 5% of its total assets in a combination of securities purchased on
a when-issued basis or with respect to which it has entered into forward
commitment agreements.
 
The Fund is classified under the Investment Company Act of 1940 ("1940 Act"), as
a "non-diversified" fund. As a result, the Fund will be able to invest in a
fewer number of issuers than if it were classified under the 1940 Act as a
"diversified" fund. To the extent that the Fund invests in a smaller number of
issuers, the value of the Fund's shares may fluctuate more widely and the Fund
may be subject to greater investment and credit risk with respect to its
portfolio.
 
OTHER INFORMATION. The Fund's investment objective may not be changed without
the approval of a majority of the Fund's outstanding voting securities. A
"majority of the Fund's outstanding voting securities" means the lesser of (i)
67% of the shares represented at a meeting at which more than 50% of the
outstanding shares are represented, or (ii) more than 50% of the outstanding
shares. In addition, the Fund has adopted certain investment limitations which
also may not be changed without shareholder approval. A complete description of
these limitations is included in the
 
                               Prospectus Page 11
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
Statement of Additional Information. Unless specifically noted, the Fund's
investment policies described in this Prospectus and in the Statement of
Additional Information may be changed by the Company's Board of Trustees without
shareholder approval. The Fund's policies regarding lending, and the percentage
of Fund assets that may be committed to borrowing, are fundamental policies and
may not be changed without shareholder approval.
    
 
   
If a percentage restriction on investment or utilization of assets in an
investment policy or restriction is adhered to at the time an investment is
made, a later change in percentage ownership of a security or kind of securities
resulting from changing market values or a similar type of event will not be
considered a violation of the Fund's investment policies or restrictions.
    
 
   
The Fund is authorized to engage in Short Sales, although it currently has no
intention of doing so, and may purchase American Depository Receipts, American
Depository Shares, Global Depository Receipts and European Depository Receipts.
See "Short Sales" and "Depository Receipts," respectively, in the Investment
Objectives and Policies section of the Statement of Additional Information.
    
 
                               Prospectus Page 12
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Advisor Class shares are offered through this Prospectus to [(a)
trustees or other fiduciaries purchasing shares for employee benefit plans which
are sponsored by organizations which have at least 1,000 employees; (b) any
account with assets of at least $10,000 if (i) a financial planner, trust
company, bank trust department or registered investment adviser has investment
discretion over such account, and (ii) the account holder pays such person as
compensation for its advice and other services an annual fee of at least .50% on
the assets in the account ("Advisory Account"); (c) any account with assets of
at least $10,000 if (i) such account is established under a "wrap fee" program,
and (ii) the account holder pays the sponsor of such program an annual fee of at
least .50% on the assets in the account ("Wrap Fee Account"); (d) accounts
advised by one of the companies composing or affiliated with AMVESCAP PLC; and
(e) any of the companies composing or affiliated with AMVESCAP PLC. Financial
planners, trust companies, bank trust companies and registered investment
advisers referenced in subpart (b) and sponsors of "wrap fee" programs
referenced in subpart (c) are collectively referred to as "Financial Advisers."
Investors in Wrap Fee Accounts and Advisory Accounts may only purchase Advisor
Class shares through Financial Advisers who have entered into agreements with
AIM Distributors or certain of its affiliates. Investors may be charged a fee by
their agents or brokers if they effect transactions other than through a
dealer.]
    
 
   
All purchase orders will be executed at the public offering price next
determined after the purchase order is received. Orders received by authorized
institutions (or their designees) before the close of regular trading on the New
York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern Time, unless weather,
equipment failure or other factors contribute to an earlier closing time) on any
Business Day will be executed at the public offering price for the applicable
class of shares determined that day. Orders received by authorized institutions
(or their designees) before the close of regular trading on the NYSE on a
Business Day will be deemed to have been received by a Fund on such day and will
be effected that day, provided that such orders are transmitted to the Transfer
Agent prior to the time set for the receipt of such orders. A "Business Day" is
any day Monday through Friday on which the NYSE is open for business. The
authorized institution (or its designee) will be responsible for forwarding the
investor's order to the Transfer Agent so that it will be received prior to the
required time.
    
 
   
THE FUND AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER AND
TO SUSPEND THE OFFERING OF SHARES FOR A PERIOD OF TIME. In particular, the Fund
and AIM Distributors may reject purchase orders or exchanges by investors who
appear to follow, in the Sub-adviser's judgment, a market-timing strategy or
otherwise engage in excessive trading. See "How to Make Exchanges -- Limitations
on Purchase Orders and Exchanges."
    
 
   
Fiduciaries and Financial Advisers may be required to provide information
satisfactory to AIM Distributors concerning their eligibility to purchase
Advisor Class shares. For specific information on opening an account, please
contact your Financial Adviser or AIM Distributors.
    
 
   
PURCHASES BY BANK WIRE. Shares of the Fund may also be purchased by bank wire.
Bank wire purchases will be effected at the next determined public offering
price after the bank wire is received. A wire investment is considered received
when the Transfer Agent is notified that the bank wire has been credited to the
Fund. Prior telephonic or facsimile notice must be provided to the Transfer
Agent that a bank wire is being sent. A bank may charge a service fee for wiring
money to the Fund. The Transfer Agent currently does not charge a service fee
for facilitating wire purchases, but reserves the right to do so in the future.
For more information, please refer to the Shareholder Account Manual in this
Prospectus.
    
 
CERTIFICATES. Physical certificates representing the Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of
the Fund are recorded on a register by the Transfer Agent, and shareholders who
do not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than
 
                               Prospectus Page 13
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
similar transactions involving non-certificated shares because the physical
delivery and processing of properly executed certificates is required.
ACCORDINGLY, THE FUND RECOMMENDS THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF
CERTIFICATES.
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholders' Personal Portfolio for
shares of the same class of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program, nor
does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Fund and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Certain Financial Institutions
may charge a fee for establishing accounts relating to the Program. Investors
should contact their Financial Institution or AIM Distributors for more
information.
    
 
                               Prospectus Page 14
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
   
Advisor Class shares of the Fund may be exchanged for Advisor Class shares of of
any other GT Global Mutual Fund, based on their respective net asset values
without imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds include
the following:
    
 
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
Exchange requests received in good order by the Transfer Agent before the close
of regular trading on the NYSE on any Business Day will be processed at the net
asset value calculated on that day. The terms of the exchange offer may be
modified at any time, on 60 days' prior written notice.
    
 
   
Investors in Wrap Fee Accounts and Advisory Accounts interested in making an
exchange should contact their Financial Advisers to request the prospectuses of
the other GT Global Mutual Fund(s) being considered. Other investors should
contact AIM Distributors. See the Shareholder Account Manual in this Prospectus
for additional information.
    
 
                               Prospectus Page 15
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to his or
her Financial Adviser. Exchange orders will be accepted by telephone provided
that the exchange involves only uncertificated shares on deposit in the
shareholder's account or for which certificates previously have been deposited.
Shareholders automatically have telephone privileges to authorize exchanges. The
Fund, AIM Distributors and the Transfer Agent will not be liable for any loss or
damage for acting in good faith upon instructions received by telephone and
reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distibutors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 16
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
   
Fund shares may be redeemed at their net asset value and redemption proceeds
will be sent within seven days of the execution of a redemption request.
Redemption requests may be transmitted to the Transfer Agent by telephone or by
mail, in accordance with the instructions provided in the Shareholder Account
Manual. Redemptions will be effected at the net asset value next determined
after the Transfer Agent has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institution. A notary public is not an
acceptable guarantor.
    
 
Shareholders with Pre-Designated Accounts should request that redemption
proceeds be sent either by bank wire or by check. The minimum redemption amount
for a bank wire is $500. Shareholders requesting a bank wire should allow two
business days from the time the redemption request is effected for the proceeds
to be deposited in the shareholder's Pre-Designated Account. See "How to Redeem
Shares -- Other Important Redemption Information." Shareholders may change their
Pre-Designated Accounts only by a letter of instruction to the Transfer Agent
containing all account signatures, each of which must be guaranteed. The
Transfer Agent currently does not charge a bank wire service fee for each wire
redemption sent but reserves the right to do so in the future. The shareholder's
bank may charge a bank wire service fee.
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Fund, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder who is in doubt as to what documents are required should
contact his Financial Adviser or the Transfer Agent.
    
 
                               Prospectus Page 17
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone or by
mail will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which the Fund has not
yet received good payment, the Fund may delay payment of redemption proceeds
until the Transfer Agent has assured itself that good payment has been collected
for the purchase of the shares. In the case of purchases by check it can take up
to 10 business days to confirm that the check has cleared and good payment has
been received. Redemption proceeds will not be delayed when shares have been
paid for by wire or when the investor's account holds a sufficient number of
shares for which funds already have been collected.
 
   
AIM Distributors reserves the right to redeem the shares of any Advisory Account
or Wrap Fee Account if the amount invested in GT Global Mutual Funds through
such account is reduced to less than $500 through redemptions or other action by
the shareholder. Written notice will be given to the shareholder at least 60
days prior to the date fixed for such redemption, during which time the
shareholder may increase the amount invested in GT Global Mutual Funds through
such account to an aggregate amount of $500 or more.
    
 
For additional information on how to redeem Fund shares, see the Shareholder
Account Manual in this Prospectus, or contact your Financial Adviser.
 
                               Prospectus Page 18
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
Purchase, exchange and redemption orders should be placed in accordance with
this Manual. It is recommended that investors in Wrap Fee Accounts and Advisory
Accounts make such orders through their Financial Adviser. PLEASE BE CAREFUL TO
REFERENCE "ADVISOR CLASS" IN ALL INSTRUCTIONS PROVIDED. See "How to Invest,"
"How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
 
The Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send completed Account Application (if initial purchase) or letter stating Fund
name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
A new account may be opened by calling 1-800-223-2138 to obtain an account
number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION CONTAINING
THE INVESTOR'S CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT TO GT
GLOBAL AT THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire
instructions must state Fund name, class of shares, shareholder's registered
name and account number. Bank wires should be sent through the Federal Reserve
Bank Wire System to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures should call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 19
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
The Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing time) each Business Day. The
Fund's net asset value per share is computed by determining the value of its
total assets (the securities it holds plus any cash or other assets, including
the interest accrued but not yet received), subtracting all of its liabilities
(including accrued expenses), and dividing the result by the total number of
shares outstanding at such time. Net asset value is determined separately for
each class of the Fund.
 
   
Equity securities are valued at the last sale price on the exchange or in the
over-the-counter market in which such securities are primarily traded, as of the
close of business on the day the securities are being valued or, lacking any
sales, at the last available bid price. Long-term obligations are valued at the
mean of representative quoted bid and asked prices for such securities or, if
such prices are not available, at prices for securities of comparable maturity,
quality and type; however, when the Sub-adviser deems it appropriate, prices
obtained from a bond pricing service will be used. Short-term debt investments
are amortized to maturity based on their cost, adjusted for foreign exchange
translation and market fluctuations, provided such valuations represent fair
value. When market quotations for futures and options positions held by the Fund
are readily available, those positions are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's Board of Trustees. Securities and other assets quoted
in foreign currencies are valued in U.S. dollars based on the prevailing
exchange rates on that day.
    
 
The Fund's portfolio securities, from time to time, may be listed primarily on
foreign exchanges or over-the-counter dealer markets that trade on days when the
NYSE is closed (such as a Saturday). As a result, the net asset value of the
Fund may be significantly affected by such trading on days when shareholders
cannot purchase or redeem shares of the Fund.
 
- --------------------------------------------------------------------------------
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. The Fund declares and pays quarterly
dividends from its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less applicable expenses. The Fund also annually distributes
substantially all of its realized net short-term capital gain (the excess of
short-term capital gains over short-term capital losses), net capital gain (the
excess of net long-term capital gain over net short-term loss) and net gains
from foreign currency transactions, if any. The Fund may make an additional
dividend or other distribution if necessary to avoid a 4% excise tax on certain
undistributed income and gain.
 
Dividends and other distributions paid by the Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Advisor Class shares will be higher than the per share
income dividends on other classes of the Fund's shares as a result of the
service and distribution fees applicable to those other shares. SHAREHOLDERS MAY
ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Advisor Class shares of the Fund (or other GT Global Mutual
    Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional
 
                               Prospectus Page 20
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
    Advisor Class shares of the Fund (or other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Advisor Class shares of the Fund (or other GT
    Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional Advisor Class shares are made at net asset
value without imposition of a sales charge. IF NO ELECTION IS MADE BY A
SHAREHOLDER, ALL DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY
REINVESTED IN ADDITIONAL ADVISOR CLASS SHARES OF THE FUND. Reinvestments in
another GT Global Mutual Fund may only be directed to an account with the
identical shareholder registration and account number. These elections may be
changed by a shareholder at any time; to be effective with respect to a
distribution, the shareholder or the shareholder's broker must contact the
Transfer Agent by mail or telephone at least 15 Business Days prior to the
payment date. THE FEDERAL INCOME TAX CONSEQUENCES OF DIVIDENDS AND OTHER
DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE RECEIVED IN CASH OR REINVESTED IN
ADDITIONAL SHARES.
 
Any dividend or other distribution paid by the Fund has the effect of reducing
the net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. The Fund intends to continue to qualify for treatment as a regulated
investment company under the Internal Revenue Code of 1986, as amended (the
"Code"). In each taxable year that the Fund so qualifies, the Fund (but not its
shareholders) will be relieved of federal income tax on that part of its
investment company taxable income (consisting generally of net investment
income, net gains from certain foreign currency transactions and net short-term
capital gain) and net capital gain (i.e., the excess of net long-term capital
gain over net short-term capital loss) that it distributes to its shareholders.
 
Dividends from the Fund's investment company taxable income (whether paid in
cash or reinvested in additional shares) are taxable to its shareholders as
ordinary income to the extent of its earnings and profits. Distributions of the
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, the Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
The Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
The Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain
 
                               Prospectus Page 21
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
whether a proper taxpayer identification number is on file with the Fund.
 
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares. An exchange of
Fund shares for shares of another GT Global Mutual Fund generally will have
similar tax consequences. In addition, if Fund shares are purchased within 30
days before or after redeeming other Fund shares (regardless of class) at a
loss, all or a part of the loss will not be deductible and instead will increase
the basis of the newly purchased shares.
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting the Fund and its shareholders. See "Taxes" in
the Statement of Additional Information for a further discussion. There may be
other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
 
- --------------------------------------------------------------------------------
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's Board of Trustees has overall responsibility for the operation of
the Fund. The Company's Board of Trustees has approved all significant
agreements between the Company on the one side and persons or companies
furnishing services to the Fund on the other, including the investment advisory
and administrative services agreement with AIM, the investment sub-advisory and
sub-administration agreement with the Sub-adviser, the agreements with AIM
Distributors regarding distribution of the Fund's shares, the agreement with
State Street Bank and Trust Company as the custodian and the transfer agency
agreement with GT Global Investors Services, Inc., an affiliate of the
Sub-adviser. The day-to-day operations of the Fund are delegated to the officers
of the Company, subject always to the objective and policies of the Fund and to
the general supervision of the Company's Board of Trustees. See "Trustees and
Executive Officers" in the Statement of Additional Information for information
on the Trustees of the Company.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Fund's investment managers and administrators include, but
are not limited to, determining the composition of the Fund's portfolio and
placing orders to buy, sell or hold particular securities; furnishing corporate
officers and clerical staff; providing office space, services and equipment; and
supervising all matters relating to the Fund's operation. For these services,
the Fund pays AIM investment management and administration fees, computed daily
and paid monthly, based on the average daily net assets, at the annualized rate
of .975% on the first $500 million, .95% on the next $500 million, .925% on the
next $500 million and .90% on amounts thereafter. Out of the aggregate fees
payable by the Fund, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from the
Fund. The investment management and administration fees paid by the Funds and
the Portfolios are higher than those paid by most mutual funds. AIM has
undertaken to limit the Fund's expenses (exclusive of brokerage commissions,
taxes, interest and extraordinary expenses) to the annual rate of 1.40% of the
average daily net assets of the Fund's Advisor Class shares.
    
 
   
The Sub-adviser also serves as the Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion, and allocating the result according to each
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to the Fund pursuant to a master investment advisory
agreement, dated as of               , 1998 (the "Advisory Agreement"). AIM was
organized in 1976 and, together with its subsidiaries, manages or advises [over
50] investment company portfolios encompassing a broad range of investment
objectives. The Sub-adviser, 50 California Street, 27th Floor, San Francisco,
California 94111, and 1166 Avenue of the Americas, New York, New York 10036,
serves as the sub-adviser to the Fund pursuant to an investment sub-advisory
agreement dated as of               , 1998. On May   ,
    
 
                               Prospectus Page 22
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
1998, Liechtenstein Global Trust AG ("GT"), the former indirect parent
organization of the Sub-adviser, consummated a purchase agreement with AMVESCAP
PLC pursuant to which AMVESCAP PLC acquired GT's Asset Management Division,
which includes the Sub-adviser and certain other affiliates. As a result of this
transaction, the Sub-adviser is now an indirect wholly owned subsidiary of
AMVESCAP PLC. Prior to the sale, the Sub-adviser and its worldwide asset
management affiliates provided investment management and/or administrative
services to institutional, corporate and individual clients around the world
since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking each Fund's investment
objective.
    
 
The investment professionals primarily responsible for the portfolio management
of the Fund are as follows:
 
                              GROWTH & INCOME FUND
 
   
<TABLE>
<CAPTION>
                            RESPONSIBILITIES FOR                              BUSINESS EXPERIENCE
NAME/OFFICE                       THE FUND                                      LAST FIVE YEARS
- ------------------  ------------------------------------  ------------------------------------------------------------
<S>                 <C>                                   <C>
Nicholas S. Train   Portfolio Manager since Fund          Head of investment for the United Kingdom and Europe for the
 London              inception in 1990                     Sub-adviser and GT Asset Management PLC (London) ("GT Asset
                                                           Management"), an affiliate of the Sub-adviser, since 1996.
                                                           Portfolio Manager for the Sub-adviser and GT Asset
                                                           Management from 1984 to 1996.
Paul Griffiths      Portfolio Manager since 1995          Portfolio Manager for the Sub-adviser and GT Asset
 London                                                    Management since 1994; from 1993 to 1994, Global Bond Fund
                                                           Manager, Lazard Investors; from 1991 to 1993, Global Bond
                                                           Fund Manager, Sanwa International PLC.
</TABLE>
    
 
                            ------------------------
 
   
In placing securities orders for the Fund's portfolio transactions, the
Sub-adviser seeks to obtain the best net results. Consistent with its obligation
to obtain the best net results, the Sub-adviser may consider a broker/dealer's
sale of shares of the GT Global Mutual Funds as a factor in considering through
whom portfolio transactions will be effected. Brokerage transactions may be
executed through affiliates of AIM or the Sub-adviser.
    
 
   
DISTRIBUTION OF FUND SHARES. AIM Distributors is the distributor of the Fund's
Advisor Class shares. AIM Distributors is a wholly owned subsidiary of AIM. The
address of AIM Distributors is P.O. Box 4739, Houston, Texas 77210-4739.
    
 
   
The Sub-adviser or an affiliate thereof may make ongoing payments to Financial
Advisers and others that facilitate the administration and servicing of Advisor
Class shareholder accounts.
    
 
   
AIM Distributors, at its own expense, may provide promotional incentives to
broker/dealers that sell shares of the Fund and/or shares of the other GT Global
Mutual Funds. In some instances additional compensation or promotional
incentives may be offered to broker/dealers that have sold or may sell
significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to broker/dealers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and lodging)
incurred by sales personnel and members of their families or other invited
guests to various locations for such seminars or training programs, seminars for
the public, advertising and sales campaigns regarding one or more of the GT
Global Mutual Funds, and/ or other events sponsored by the broker/dealers.
    
 
                               Prospectus Page 23
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. Banks and broker/dealer affiliates of banks may
also execute dealer agreements with AIM Distributors for the purpose of selling
shares of the Fund. If a bank were prohibited from so acting, its shareholder
clients would be permitted to remain shareholders, and alternative means for
continuing the servicing of
such shareholders would be sought. It is not expected that shareholders would
suffer any adverse financial consequences as a result of any of these
occurrences.
    
 
                               Prospectus Page 24
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in the Fund, the shareholder will receive from
the Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to the Fund's automatic
dividend reinvestment program may be provided quarterly. Shortly after the end
of the Fund's fiscal year on October 31 and fiscal half-year on April 30 of each
year, shareholders receive an annual and semiannual report, respectively. In
addition, the federal income tax status of distributions made by the Fund to
shareholders is reported after the end of each calendar year on Form 1099-DIV.
Under certain circumstances, duplicate mailings of the foregoing reports to the
same household may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of the Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of the Fund will be
voted by the Fund's shareholders individually when the matter affects the
specific interest of the Fund only, such as approval of its investment
management arrangements. In addition, shares of a particular class of the Fund
may vote on matters affecting only that class. The shares of the Fund and the
Company's other funds will be voted in the aggregate on other matters, such as
the election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting securities may call a meeting of shareholders for
the purpose of voting upon the question of removal of any Trustee or for any
other purpose. The 1940 Act requires the Company to assist shareholders in
calling such a meeting.
    
 
The Fund offers Advisor Class shares through this prospectus to certain
investors. The Fund also offers Class A shares and Class B shares to investors
through a separate Prospectus. Each class of shares will experience different
net asset values and dividends as a result of different expenses borne by each
class of shares. The per share net asset value and dividends of the Advisor
Class shares of the Fund generally will be higher than that of the Class A and B
shares of the Fund because of the higher expenses borne by the Class A and B
shares. The per share dividends on Advisor Class shares of the Fund will
generally be higher than the per share dividends on Class A and B shares of the
Fund as a result of the service and distribution fees applicable with respect to
Class A and B shares. Consequently, during comparable periods, the Fund expects
that the total return on an investment in shares of the Advisor Class will be
higher than the total return on Class A or Class B shares.
 
   
Pursuant to the Company's Declaration of Trust, it may issue an unlimited number
of shares of the Fund. Each share of the Fund represents an interest in the Fund
only, has a par value of $0.01 per share, represents an equal proportionate
interest in the Fund with other shares of the Fund and is entitled to such
dividends and other distributions out of the income earned and gain realized on
the assets belonging to the Fund as may be declared at the discretion of the
Board of Trustees. Each share of
    
 
                               Prospectus Page 25
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
the Fund is equal in earnings, assets and voting privileges, except that each
class has exclusive voting rights with respect to its distribution plan and
bears the expenses, if any, related to the distribution of its shares. Shares of
the Fund, when issued, are fully paid and nonassessable.
    
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Fund
toll-free at (800) 223-2138 or by writing to the Fund at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Fund, from time to time, may include information on
its investment results and/or comparisons of its investment results to various
unmanaged indices or results of other mutual funds or groups of mutual funds in
advertisements, sales literature or reports furnished to present or prospective
shareholders.
 
In such materials, the Fund may quote its average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of the Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of the Fund. Standardized Return
assumes reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Fund's performance or
more accurately compare such performance to other measures of investment return,
the Fund also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized return reflects percentage rates of return encompassing all
elements of total return (e.g., income and capital appreciation or
depreciation); it assumes reinvestment of all dividends and other distributions.
Non-Standardized Return may be quoted for the same or different periods as those
for which Standardized Return is quoted; it may consist of an aggregate or
average annual percentage rate of return, actual year-by-year rates or any
combination thereof. Non-Standardized Return may or may not take sales charges
into account; performance data calculated without taking the effect of sales
charges into account will be higher than data including the effect of such
charges.
 
The Fund's performance data reflects past performance and is not necessarily
indicative of future results. The Fund's investment results will vary from time
to time depending upon market conditions, the composition of its portfolio and
its operating expenses. These factors and possible differences in calculation
methods should be considered when comparing the Fund's investment results with
those published for other investment companies, other investment vehicles and
unmanaged indices. The Fund's results also should be considered relative to the
risks associated with its investment objective and policies. See "Investment
Results" in the Statement of Additional Information.
 
The Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
                               Prospectus Page 26
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Fund are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM and maintains its
offices at California Plaza, 2121 North California Boulevard, Suite 450, Walnut
Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110 is custodian of the Fund's assets.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and the Fund.
Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-adviser and the
Transfer Agent in connection with other matters.
    
 
   
INDEPENDENT ACCOUNTANTS. The Company's and the Fund's independent accountants
are                             , One Post Office Square, Boston, MA 02109.
                            conducts an annual audit of the Fund, assists in the
preparation of the Fund's federal and state income tax returns, and consults
with the Company and the Fund as to matters of accounting, regulatory filings,
and federal and state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 27
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS. FOR MORE INFORMATION AND A PROSPECTUS ON ANY GT GLOBAL FUND,
  INCLUDING FEES, EXPENSES AND THE RISKS OF GLOBAL AND EMERGING MARKET
  INVESTING AND THE RISKS OF INVESTING IN A CONCENTRATION OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER OR CALL AIM DISTRIBUTORS DIRECTLY AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current return
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED IN THIS
  PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY G.T. INVESTMENT FUNDS, GT
  GLOBAL GROWTH & INCOME FUND, A I M ADVISORS, INC., [CHANCELLOR LGT ASSET
  MANAGEMENT, INC.] OR A I M DISTRIBUTORS, INC. THIS PROSPECTUS DOES NOT
  CONSTITUTE AN OFFER TO SELL OR SOLICITATION OF ANY OFFER TO BUY ANY OF THE
  SECURITIES OFFERED HEREBY IN ANY JURISDICTION TO ANY PERSON TO WHOM IT IS
  UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
                                                               G&IPV803001MC
<PAGE>
                 GT GLOBAL EMERGING MARKETS FUND: ADVISOR CLASS
               GT GLOBAL LATIN AMERICA GROWTH FUND: ADVISOR CLASS
   
                           PROSPECTUS -- JUNE 1, 1998
    
 
- --------------------------------------------------------------------------------
 
GT GLOBAL EMERGING MARKETS FUND ("EMERGING MARKETS FUND") seeks long-term growth
of capital by investing primarily in equity securities of companies in emerging
markets.
 
GT GLOBAL LATIN AMERICA GROWTH FUND ("LATIN AMERICA GROWTH FUND") seeks capital
appreciation by investing primarily in equity and debt securities of a broad
range of Latin American issuers.
 
There can be no assurance that the Emerging Markets Fund or the Latin America
Growth Fund (each a "Fund," and collectively, the "Funds") will achieve its
investment objective.
 
   
The Funds are managed by AIM Advisors, Inc. ("AIM") and are sub-advised and
sub-administered by [Chancellor GT Asset Management, Inc.] (the Sub-adviser).
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
The Funds are designed for long term investors and not as trading vehicles. The
Funds do not represent a complete investment program nor are they suitable for
all investors. The Funds may invest significantly in lower quality and unrated
foreign government bonds whose credit quality is generally considered the
equivalent of U.S. corporate debt securities commonly known as "junk bonds."
Investments of this type are subject to a greater risk of loss of principal and
interest. An investment in either Fund should be considered speculative and
subject to special risk factors, related primarily to the Funds' investments in
emerging markets and Latin America. Purchasers should carefully assess the risks
associated with an investment in either Fund.
 
Shares offered by this Prospectus are available for purchase only by certain
investors and are offered at net asset value without the imposition of a front-
end or contingent deferred sales charge or Rule 12b-1 fees.
 
   
This Prospectus sets forth concisely the information an investor should know
before investing and should be read carefully and retained for future reference.
A Statement of Additional Information for each Fund dated June 1, 1998, has been
filed with the Securities and Exchange Commission ("SEC") and, as supplemented
or amended from time to time, is incorporated by reference. The Statement of
Additional Information is available without charge by writing to the Funds at 50
California Street, 27th Floor, San Francisco, CA 94111, or by calling [(800)
824-1580]. It is also available, along with other related materials, on the
SEC's Internet web site (http://www.sec.gov).
    
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, FEDERAL RESERVE BOARD OR ANY OTHER AGENCY.
 
An investment in either Fund offers the following advantages:
 
/ / Access to Securities Markets Around the World
 
   
/ / Professional Management by a Leading Sub-adviser with Offices in the World's
    Major Markets
    
 
/ / Automatic Dividend and Other Distribution Reinvestment
 
/ / Exchange Privileges with the Advisor Class of the Other GT Global Mutual
    Funds
 
   
FOR FURTHER INFORMATION CALL
[(800) 824-1580] OR CONTACT YOUR
 
FINANCIAL ADVISER.
    
 
- --------------------------------------------------------------------------------
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
   PASSED ON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.      ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          7
Investment Objectives and Policies........................................................         11
Risk Factors..............................................................................         16
How to Invest.............................................................................         21
How to Make Exchanges.....................................................................         23
How to Redeem Shares......................................................................         25
Shareholder Account Manual................................................................         27
Calculation of Net Asset Value............................................................         28
Dividends, Other Distributions and Federal Income Taxation................................         28
Management................................................................................         31
Other Information.........................................................................         34
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
 
- --------------------------------------------------------------------------------
 
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
   
<TABLE>
<S>                            <C>                               <C>
The Funds:                     The  Emerging Markets Fund is a  diversified series, and the Latin
                               America Growth Fund is a non-diversified series of G.T. Investment
                               Funds (the "Company").
 
Investment Objectives:         The Emerging  Markets  Fund  seeks long-term  growth  of  capital.
                               The Latin America Growth Fund seeks capital appreciation.
 
                               The  Emerging Markets  Fund normally invests  at least  65% of its
Principal Investments:         total  assets  in  equity  securities  of  companies  in  emerging
                               markets.
                               The Latin America Growth Fund normally invests at least 65% of its
                               total  assets  in  equity  and  debt  securities  issued  by Latin
                               American companies and governments.
 
                               There is no assurance that either Fund will achieve its investment
                               objective. The Funds' net asset values will fluctuate,  reflecting
                               fluctuations  in  the market  value  of their  portfolio holdings.
Principal Risk Factors:        Each Fund will invest primarily in foreign securities. Investments
                               in foreign  securities involve  risks  relating to  political  and
                               economic  developments  abroad  and  the  differences  between the
                               regulations  to  which  U.S.  and  foreign  issuers  are  subject.
                               Individual   foreign  economies  also   may  differ  favorably  or
                               unfavorably from  the U.S.  economy. Changes  in foreign  currency
                               exchange  rates will affect a Fund's net asset value, earnings and
                               gains and losses  realized on sales  of securities. Securities  of
                               foreign  companies  may  be  less  liquid  and  their  prices more
                               volatile than those  of securities of  comparable U.S.  companies.
                               Each  Fund  may engage  in certain  foreign currency,  options and
                               futures transactions to attempt to hedge against the overall level
                               of investment and  currency risk  associated with  its present  or
                               planned  investments. Such transactions  involve certain risks and
                               transaction costs.
                               The Emerging Markets Fund may invest up to 20% of its total assets
                               in below investment grade debt securities. There is no  limitation
                               on  the percentage of the Latin America Growth Fund's total assets
                               that may be invested in such securities. Investments of this  type
                               are  subject to a greater risk  of loss of principal and interest.
                               See "Investment Objectives and Policies" and "Risk Factors."
 
Investment Managers:           AIM and  the  Sub-adviser  and their  worldwide  asset  management
                               affiliates  provide  investment  management  and/or administrative
                               services to institutional, corporate and individual clients around
                               the world. AIM and the Sub-adviser are both indirect wholly  owned
                               subsidiaries  of AMVESCAP  PLC. AMVESCAP PLC  and its subsidiaries
                               are  an  independent  investment  management  group  that  has   a
                               significant  presence in  the institutional and  retail segment of
                               the investment management  industry in North  America and  Europe,
                               and  a  growing  presence  in  Asia.  AIM  was  organized  in 1976
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               and, together  with its  affiliates, currently  advises [over  50]
                               investment  company portfolios. On            , 1998, AMVESCAP PLC
                               acquired the  Asset Management  Division of  Liechtenstein  Global
                               Trust  AG ("GT"), which included the Sub-adviser and certain other
                               affiliates.
 
                               Advisor Class shares are offered  through this Prospectus to  [(a)
Advisor Class Shares:          trustees  or  other  fiduciaries  purchasing  shares  for employee
                               benefit plans which are sponsored  by organizations which have  at
                               least  1,000 employees;  (b) any account  with assets  of at least
                               $10,000 if  (i) a  financial planner,  trust company,  bank  trust
                               department   or  registered  investment   adviser  has  investment
                               discretion over such  account, and  (ii) the  account holder  pays
                               such  person as compensation for its  advice and other services an
                               annual fee of at least 0.50% on the assets in the account; (c) any
                               account with assets  of a  least $10,000  if (i)  such account  is
                               established  under  a "wrap  fee"  program, and  (ii)  the account
                               holder pays the sponsor of such program an annual fee of at  least
                               0.50% on the assets in the account; (d) accounts advised by one of
                               the  companies composing or affiliated  with AMVESCAP PLC; and (e)
                               any of the companies composing or affiliated with AMVESCAP PLC.]
 
Shares Available Through:      Advisor Class shares are available through Financial Advisers  (as
                               defined  herein) who have entered  into agreements with the Fund's
                               distributor, A  I M  Distributors,  Inc. ("AIM  Distributors")  or
                               certain  of its affiliates. Shares may also be acquired by sending
                               an  application  directly  to  GT  Investor  Services,  Inc.  (the
                               "Transfer  Agent")  or through  exchanges  of shares  as described
                               below. See "How to Invest" and "Shareholder Account Manual."
 
Exchange Privileges:           Advisor Class shares may be exchanged for Advisor Class shares  of
                               any   the  other  GT  Global  Mutual  Funds,  which  are  open-end
                               management investment  companies sub-advised  by the  Sub-adviser.
                               See "How to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be redeemed through the Funds' Transfer Agent. See "How
                               to Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other
 Distributions:                Dividends  are  paid  annually  from  net  investment  income  and
                               realized net short-term capital gain; other distributions are paid
                               annually from net capital gain and net gains from foreign currency
                               transactions, if any.
 
Reinvestment:                  Dividends and other distributions may be reinvested  automatically
                               in  Advisor Class shares  of the distributing Fund  or of other GT
                               Global Mutual Funds.
</TABLE>
    
 
                               Prospectus Page 4
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
                        GT GLOBAL EMERGING MARKETS FUND
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Advisor Class shares of the Emerging Markets Fund are
reflected in the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                                                                  ADVISOR
                                                                                                                   CLASS
                                                                                                                -----------
<S>                                                                                                             <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases (as a % of offering price)................................................        None
  Sales charges on reinvested distributions to shareholders...................................................        None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is less)....        None
  Redemption charges..........................................................................................        None
  Exchange fees...............................................................................................        None
 
ANNUAL FUND OPERATING EXPENSES (2):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees...............................................................       0.98%
  12b-1 distribution and service fees.........................................................................        None
  Other expenses (after reimbursements).......................................................................           %
                                                                                                                -----------
  Total Fund Operating Expenses...............................................................................       1.50%
                                                                                                                -----------
                                                                                                                -----------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                              ONE    THREE   FIVE     TEN
                                                              YEAR   YEARS   YEARS   YEARS
                                                              ----   -----   -----   -----
<S>                                                           <C>    <C>     <C>     <C>
Advisor Class Shares........................................  $      $       $       $
</TABLE>
    
 
- --------------
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUND'S
    ACTUAL EXPENSES MAY BE MORE OR LESS THAN THOSE SHOWN. The tables and the
    assumption in the Hypothetical Example of a 5% annual return are required by
    regulation of the SEC applicable to all mutual funds. The 5% annual return
    is not a prediction of and does not represent the Fund's projected or actual
    performance.
 
   
(2) Expenses are based on the Fund's fiscal year ended October 31, 1997 restated
    to reflect the current expense limits. "Other expenses" include custody,
    transfer agent, legal, audit and other operating expenses. AIM has
    undertaken to limit the Fund's expenses (exclusive of brokerage commissions,
    taxes, interest and extraordinary expenses) to the annual rate of 1.50% of
    the average daily net assets of the Fund's Advisor Class shares. Without
    reimbursements, "Other Expenses" and "Total Fund Operating Expenses" would
    have been    % and    %, respectively, for Advisor Class shares of the Fund.
    See "Management" herein and the Statement of Additional Information for more
    information. Investors purchasing Advisor Class shares through financial
    planners, trust companies, bank trust departments or registered investment
    advisers, or under a "wrap fee" program, will be subject to additional fees
    charged by such entities or by the sponsors of such programs. Where any
    account advised by one of the companies composing or affiliated with
    AMVESCAP PLC invests in Advisor Class shares of the Fund, such account shall
    not be subject to duplicative advisory fees.
    
 
                               Prospectus Page 5
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Advisor Class shares of the Latin America Growth Fund are
reflected in the following tables (1):
 
   
<TABLE>
<CAPTION>
                                                                                                                  ADVISOR
                                                                                                                   CLASS
                                                                                                                -----------
<S>                                                                                                             <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases of shares (as a % of offering price)......................................        None
  Sales charges on reinvested distributions to shareholders...................................................        None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is less)....        None
  Redemption charges..........................................................................................        None
  Exchange fees:
    -- On first four exchanges each year......................................................................        None
    -- On each additional exchange............................................................................       $7.50
 
ANNUAL FUND OPERATING EXPENSES (2):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees...............................................................       0.98%
  12b-1 distribution and service fees.........................................................................        None
  Other expenses (after reimbursements).......................................................................           %
                                                                                                                -----------
  Total Fund Operating Expenses...............................................................................       1.50%
                                                                                                                -----------
                                                                                                                -----------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                                                           ONE    THREE   FIVE     TEN
                                                                                           YEAR   YEARS   YEARS   YEARS
                                                                                           ----   -----   -----   -----
<S>                                                                                        <C>    <C>     <C>     <C>
Advisor Class Shares.....................................................................  $      $       $       $
</TABLE>
    
 
- ------------------
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUND'S
    ACTUAL EXPENSES MAY BE MORE OR LESS THAN THOSE SHOWN. The table and the
    assumption in the Hypothetical Example of a 5% annual return are required by
    regulation of the SEC applicable to all mutual funds. The 5% annual return
    is not a prediction of and does not represent the Fund's projected or actual
    performance.
 
   
(2) Expenses are based on the Fund's fiscal year ended October 31, 1997 restated
    to reflect the current expense limits. "Other expenses" include custody,
    transfer agent, legal, audit and other operating expenses. AIM has
    undertaken to limit the Fund's expenses (exclusive of brokerage commissions,
    taxes, interest and extraordinary expenses) to the annual rate of 1.50% of
    the average daily net assets of the Fund's Advisor Class shares. Without
    reimbursements, "Other Expenses" and "Total Fund Operating Expenses" would
    have been    % and    %, respectively, for Advisor Class shares of the Fund.
    See "Management" herein and the Statement of Additional Information for more
    information. Investors purchasing Advisor Class shares through financial
    planners, trust companies, bank trust departments or registered investment
    advisers, or under a "wrap fee" program, will be subject to additional fees
    charged by such entities or by the sponsors of such programs. Where any
    account advised by one of the companies composing or affiliated with
    Liechtenstein Global Trust invests in Advisor Class shares of the Fund, such
    account shall not be subject to duplicative advisory fees.
    
 
                               Prospectus Page 6
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Advisor Class share of each Fund. This
information is supplemented by the financial statements and accompanying notes
appearing in the Statement of Additional Information. The financial statements
and notes, for the fiscal year ended October 31, 1997, have been audited by
                 , independent accountants, whose report thereon also is
included in the Statement of Additional Information.
    
 
                        GT GLOBAL EMERGING MARKETS FUND
 
<TABLE>
<CAPTION>
                                                                        CLASS A+
                                                    ------------------------------------------------
                                                                  YEAR ENDED OCT. 31,
                                                    ------------------------------------------------
                                                    1997(D)   1996(D)   1995(d)     1994      1993
                                                    --------  --------  --------  --------  --------
<S>                                                 <C>       <C>       <C>       <C>       <C>
Per share operating performance:
Net asset value, beginning of period..............  $  14.26  $  13.85  $  18.81  $  14.42  $  11.10
                                                    --------  --------  --------  --------  --------
Income from investment operations:
  Net investment income (loss)....................        --      0.11      0.13     (0.02)     0.02*
  Net realized and unrealized gain (loss) on
   investments....................................     (2.05)     0.30     (4.32)     4.68      3.38
                                                    --------  --------  --------  --------  --------
    Net increase (decrease) from investment
     operations...................................     (2.05)     0.41     (4.19)     4.66      3.40
                                                    --------  --------  --------  --------  --------
Distributions:
  From net investment income......................        --        --        --     (0.01)    (0.08)
  From net realized gain on investments...........        --        --     (0.77)    (0.26)       --
  In excess of net investment income..............     (0.01)       --        --        --        --
                                                    --------  --------  --------  --------  --------
    Total distributions...........................     (0.01)       --     (0.77)    (0.27)    (0.08)
                                                    --------  --------  --------  --------  --------
Net asset value, end of period....................  $  12.20  $  14.26  $  13.85  $  18.81  $  14.42
                                                    --------  --------  --------  --------  --------
                                                    --------  --------  --------  --------  --------
Total investment return (c).......................  (14.45)%     2.96%  (23.04)%    32.58%     30.9%
                                                    --------  --------  --------  --------  --------
                                                    --------  --------  --------  --------  --------
Ratios and supplemental data:
Net assets, end of period (in 000's)..............  $113,319  $224,964  $252,457  $417,322  $187,808
Ratio of net investment income (loss) to average
  net assets......................................   (0.01)%     0.76%     0.89%   (0.11)%      0.1%*
Ratio of expenses to average net assets:
  With expense reductions.........................     2.10%     1.96%     2.12%     2.06%      2.4%*(b)
  Without expense reductions......................     2.18%     2.08%     2.14%       N/A       N/A
Portfolio turnover rate +++.......................      150%      104%      114%      100%       99%
Average commission rate per share on paid
  portfolio transactions +++......................  $ 0.0015  $ 0.0040       N/A       N/A       N/A
</TABLE>
 
- --------------
+   All capital shares issued and outstanding as of March 31, 1993 were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.02 for the year ended October 31, 1993 and for the period from May 18,
    1992 (commencement of operations) to October 31, 1992. Without such
    reimbursements, the expense ratios would have been 2.61% and 2.91% and the
    ratio of net investment income to average net assets would have been 0.36%
    and 1.21% for the year ended October 31, 1993 and for the period from May
    18, 1992 (commencement of operations) to October 31, 1992, respectively.
    
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                               Prospectus Page 7
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                        GT GLOBAL EMERGING MARKETS FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                                        CLASS A+                ADVISOR CLASS***
                                                    ----------------   -----------------------------------
                                                      MAY 18, 1992
                                                     (COMMENCEMENT     YEAR ENDED OCT. 31,    JUNE 1, 1995
                                                     OF OPERATIONS)                                TO
                                                           TO          --------------------     OCT. 31,
                                                     OCT. 31, 1992     1997(D)    1996(D)         1995
                                                    ----------------   --------  ----------   ------------
<S>                                                 <C>                <C>       <C>          <C>
Per share operating performance:
Net asset value, beginning of period..............      $ 11.43        $  14.38   $   13.88      $14.71
                                                       --------        --------  ----------   ------------
Income from investment operations:
  Net investment income (loss)....................         0.07            0.05        0.18        0.08
  Net realized and unrealized gain (loss) on
   investments....................................        (0.40)          (2.05)       0.32       (0.91)
                                                       --------        --------  ----------   ------------
    Net increase (decrease) from investment
     operations...................................        (0.33)          (2.00)       0.50       (0.83)
                                                       --------        --------  ----------   ------------
Distributions:
  From net investment income......................                        (0.03)         --          --
  From net realized gain on investments...........           --              --          --          --
  In excess of net investment income..............           --           (0.08)         --          --
                                                       --------        --------  ----------   ------------
    Total distributions...........................           --           (0.11)         --          --
                                                       --------        --------  ----------   ------------
Net asset value, end of period....................      $ 11.10        $  12.27   $   14.38      $13.88
                                                       --------        --------  ----------   ------------
                                                       --------        --------  ----------   ------------
Total investment return (c).......................       (2.9)%(a)     (14.05)%       3.60%     (5.71)%(a)
                                                       --------        --------  ----------   ------------
                                                       --------        --------  ----------   ------------
Ratios and supplemental data:
Net assets, end of period (in 000's)..............      $84,558        $  1,924   $   3,139      $1,675
Ratio of net investment income (loss) to average
  net assets......................................         1.7%*(b)       0.49%       1.26%       1.39%(b)
Ratio of expenses to average net assets:
  With expense reductions.........................         2.4%*(b)       1.60%       1.46%       1.62%(b)
  Without expense reductions......................          N/A           1.68%       1.58%       1.64%(b)
Portfolio turnover rate +++.......................          32%(b)         150%        104%        114%
Average commission rate per share paid on
  portfolio transactions +++......................          N/A        $ 0.0015   $  0.0040         N/A
</TABLE>
 
- --------------
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
   
**  Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.02. Without such reimbursements, the expense ratio would have been 3.11%
    and the ratio of net investment income to average net assets would have been
    (0.61)%.
    
 
*** Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(b) Annualized.
 
(c) Total investment return does not include sales charges.
 
(d) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                 AVERAGE MONTHLY
                                                  AMOUNT OF DEBT      AVERAGE MONTHLY       AVERAGE AMOUNT
                                AMOUNT OF DEBT     OUTSTANDING     NUMBER OF REGISTRANT'S    OF DEBT PER
                                OUTSTANDING AT      DURING THE       SHARES OUTSTANDING      SHARE DURING
YEAR ENDED                       END OF PERIOD        PERIOD         DURING THE PERIOD        THE PERIOD
- ------------------------------  ---------------  ----------------  ----------------------  ----------------
<S>                             <C>              <C>               <C>                     <C>
October 31, 1997..............    $6,184,000        $2,568,627           26,177,077            $0.0981
</TABLE>
    
 
                               Prospectus Page 8
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
<TABLE>
<CAPTION>
 
                                                                             CLASS A+
                                                    ----------------------------------------------------------
                                                                       YEAR ENDED OCT. 31,
                                                    ----------------------------------------------------------
                                                    1997(a)   1996(a)   1995(a)   1994(a)   1993(a)     1992
                                                    --------  --------  --------  --------  --------  --------
<S>                                                 <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating Performance:
Net asset value, beginning of period..............  $  17.95  $  15.38  $  26.11  $  19.78  $  15.59  $  16.45
                                                    --------  --------  --------  --------  --------  --------
Income from investment operations:
  Net investment income (loss)....................      0.11      0.09      0.15     (0.08)     0.18      0.25
  Net realized and unrealized gain (loss) on
   investments....................................      1.44      2.59     (9.28)     6.75      5.21     (0.98)
                                                    --------  --------  --------  --------  --------  --------
    Net increase (decrease) from investment
     operations...................................      1.55      2.68     (9.13)     6.67      5.39     (0.73)
                                                    --------  --------  --------  --------  --------  --------
Distributions:
  From net investment income......................        --     (0.08)       --     (0.19)    (0.12)    (0.13)
  From net realized gain on investments...........        --        --     (1.60)    (0.15)    (1.08)       --
  In excess of net investment income..............        --     (0.03)       --        --        --        --
                                                    --------  --------  --------  --------  --------  --------
    Total distributions...........................               (0.11)    (1.60)    (0.34)    (1.20)    (0.13)
                                                    --------  --------  --------  --------  --------  --------
Net asset value, end of period....................  $  19.50  $  17.95  $  15.38  $  26.11  $  19.78  $  15.59
                                                    --------  --------  --------  --------  --------  --------
                                                    --------  --------  --------  --------  --------  --------
Total investment return (d).......................     8.52%    17.52%  (37.16)%    34.10%     37.1%    (4.5)%
                                                    --------  --------  --------  --------  --------  --------
                                                    --------  --------  --------  --------  --------  --------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)..............  $159,496  $177,373  $182,462  $336,960  $129,280  $ 94,085
Ratio of net investment income (loss) to average
  net assets......................................     0.52%     0.46%     0.86%   (0.29)%      1.3%*     1.3%*
Ratio of expenses to average net assets:
  With expense reductions.........................     1.96%     2.03%     2.11%     2.04%      2.4%*     2.4%*
  Without expense reductions......................     2.06%     2.10%     2.12%       N/A       N/A       N/A
Portfolio turnover rate +++.......................      130%      101%      125%      155%      112%      159%
Average commission rate per share paid on
  portfolio transactions +++......................  $ 0.0007  $ 0.0005       N/A       N/A       N/A       N/A
</TABLE>
 
- --------------
+   All capital shares issued and outstanding as of March 31, 1993 were
    reclassified as Class A shares.
 
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
   
*   Includes reimbursement by the Sub-adviser of Fund operating expenses of
    $0.02, $0.04 and $0.01 for the years ended October 31, 1993 and 1992 and for
    the period from August 13, 1991 to October 31, 1991, respectively. Without
    such reimbursements, the expense ratios would have been 2.49%, 2.62% and
    3.42% and the ratios of net investment income to average net assets would
    have been 1.25%, 1.07% and 0.l5% for the years ended October 31, 1993 and
    1992 and for the period from August 31, 1991 to October 31, 1991,
    respectively.
    
 
(a) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(b) Not annualized.
 
(c)  Annualized.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                               Prospectus Page 9
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                      GT GLOBAL LATIN AMERICA GROWTH FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                              CLASS A+                 ADVISOR CLASS**
                                          ----------------   -----------------------------------
                                           AUG. 13, 1991
                                           (COMMENCEMENT     YEAR ENDED OCT. 31,    JUNE 1, 1995
                                           OF OPERATIONS)                                TO
                                                 TO          --------------------     OCT. 31,
                                           OCT. 31, 1991     1997(A)    1996(A)         1995
                                          ----------------   --------  ----------   ------------
<S>                                       <C>                <C>       <C>          <C>
Per Share Operating Performance:
Net asset value, beginning of period....      $  14.29       $  17.94   $   15.40     $ 15.95
                                          ----------------   --------  ----------   ------------
Income from investment operations:
  Net investment income (loss)..........          0.01           0.19        0.17        0.09
  Net realized and unrealized gain
   (loss) on investments................          2.15           1.44        2.58       (0.64)
                                          ----------------   --------  ----------   ------------
    Net increase (decrease) from
     investment operations..............          2.16           1.63        2.75       (0.55)
                                          ----------------   --------  ----------   ------------
Distributions:
  From net investment income............            --             --       (0.14)         --
  From net realized gain on
   investments..........................            --             --          --          --
  In excess of net investment income....            --             --       (0.07)         --
                                          ----------------   --------  ----------   ------------
    Total distributions.................            --             --       (0.21)         --
                                          ----------------   --------  ----------   ------------
Net asset value, end of period..........      $  16.45       $  19.57   $   17.94     $ 15.40
                                          ----------------   --------  ----------   ------------
                                          ----------------   --------  ----------   ------------
Total investment return (d).............         15.1%(b)       8.91%      18.16%     (3.45)%(b)
                                          ----------------   --------  ----------   ------------
                                          ----------------   --------  ----------   ------------
 
Ratios and supplemental data:
Net assets, end of period (in 000's)....      $125,038       $    636   $     818     $   369
Ratio of net investment income (loss) to
  average net assets....................          1.2%*(c)      1.02%       0.96%       1.36%(c)
Ratio of expenses to average net assets:
  With expense reductions...............          2.4%*(c)      1.46%       1.53%       1.61%(c)
  Without expense reductions............           N/A          1.56%       1.60%       1.62%(c)
Portfolio turnover rate +++.............          None           130%        101%        125%
Average commission rate per share paid
  on portfolio transactions +++.........           N/A       $ 0.0007   $  0.0005         N/A
</TABLE>
 
- --------------
+++ Portfolio turnover and average commission rates are calculated on the basis
    of the Fund as a whole without distinguishing between the classes of shares
    issued.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(b) Not annualized.
 
(c) Annualized.
 
(d) Total investment return does not include sales charges.
 
N/A Not Applicable.
 
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                 AVERAGE MONTHLY
                                                  AMOUNT OF DEBT      AVERAGE MONTHLY       AVERAGE AMOUNT
                                AMOUNT OF DEBT     OUTSTANDING     NUMBER OF REGISTRANT'S    OF DEBT PER
                                OUTSTANDING AT      DURING THE       SHARES OUTSTANDING      SHARE DURING
YEAR ENDED                       END OF PERIOD        PERIOD         DURING THE PERIOD        THE PERIOD
- ------------------------------  ---------------  ----------------  ----------------------  ----------------
<S>                             <C>              <C>               <C>                     <C>
October 31, 1997..............    $3,238,000        $1,519,383           16,973,475            $0.0895
</TABLE>
    
 
                               Prospectus Page 10
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
EMERGING MARKETS FUND
The Emerging Markets Fund's investment objective is long-term growth of capital.
Under normal circumstances, the Emerging Markets Fund seeks its objective by
investing at least 65% of its total assets in equity securities of companies in
emerging markets. The Emerging Markets Fund may invest in the following types of
equity securities: common stock, preferred stock, securities convertible into
common stock, rights and warrants to acquire such securities and substantially
similar forms of equity with comparable risk characteristics.
 
   
For purposes of the Emerging Markets Fund's operations, "emerging markets"
consist of all countries determined by the Sub-adviser to have developing or
emerging economies and markets. These countries generally include every country
in the world except the United States, Canada, Japan, Australia, New Zealand and
most countries located in Western Europe. See "Investment Objective and
Policies" in the Statement of Additional Information for a complete list of all
the countries that the Emerging Markets Fund does not consider to be emerging
markets.
    
 
For purposes of the Emerging Markets Fund's policy of normally investing at
least 65% of its total assets in equity securities of issuers in emerging
markets, the Emerging Markets Fund will consider investment in the following
emerging markets:
 
<TABLE>
<S>               <C>            <C>
  Algeria         Hong Kong      Peru
  Argentina       Hungary        Philippines
  Bolivia         India          Poland
  Botswana        Indonesia      Portugal
  Brazil          Israel         Republic of
  Bulgaria        Ivory Coast    Slovakia
  Chile           Jamaica        Russia
  China           Jordan         Singapore
  Colombia        Kazakhstan     Slovenia
  Costa Rica      Kenya          South Africa
  Cyprus          Lebanon        South Korea
  Czech           Malaysia       Sri Lanka
   Republic       Mauritius      Swaziland
  Dominican       Mexico         Taiwan
   Republic       Morocco        Thailand
  Ecuador         Nicaragua      Turkey
  Egypt           Nigeria        Ukraine
  El Salvador     Oman           Uruguay
  Finland         Pakistan       Venezuela
  Ghana           Panama         Zambia
  Greece          Paraguay       Zimbabwe
</TABLE>
 
Although the Emerging Markets Fund considers each of the above-listed countries
eligible for investment, it will not be invested in all such markets at all
times. Moreover, investing in some of those markets currently may not be
desirable or feasible, due to the lack of adequate custody arrangements for the
Emerging Markets Fund's assets, overly burdensome repatriation and similar
restrictions, the lack of organized and liquid securities markets, unacceptable
political risks or for other reasons.
 
   
As used in this Prospectus, an issuer in an emerging market is an entity: (i)
for which the principal securities trading market is an emerging market, as
defined above; (ii) that (alone or on a consolidated basis) derives 50% or more
of its total revenues from business in emerging markets, provided that, in the
Sub-adviser's view, the value of such issuer's securities will tend to reflect
emerging market development to a greater extent than developments elsewhere; or
(iii) organized under the laws of, or with a principal office in, an emerging
market.
    
 
The Emerging Markets Fund may also invest up to 35% of its total assets in (i)
debt securities of government or corporate issuers in emerging markets; (ii)
equity and debt securities of issuers in developed countries, including the
United States; (iii) securities of issuers in emerging markets not included in
the list of emerging markets above, if investing therein becomes feasible and
desirable subsequent to the date of this Prospectus; and (iv) cash and money
market instruments.
 
   
The Emerging Markets Fund invests in those emerging markets that the Sub-adviser
believes have strongly developing economies and in which the markets are
becoming more sophisticated. In selecting investments, the Sub-adviser seeks to
identify those countries and industries where economic and political factors,
including currency movements, are likely to produce above-average growth rates.
The Sub-adviser then invests in those companies in such countries and industries
that are best positioned and managed to take advantage of these economic and
political factors. The Emerging Markets Fund ordinarily will be invested in the
securities of issuers in at least three different
    
 
                               Prospectus Page 11
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
emerging markets. In evaluating investments in securities of issuers in
developed markets, the Sub-adviser will consider, among other things, the
business activities of the issuer in emerging markets and the impact that
developments in emerging markets are likely to have on the issuer.
    
 
   
The Sub-adviser believes that the issuers of securities in emerging markets
often have sales and earnings growth rates that exceed those in developed
countries and that such growth rates may in turn be reflected in more rapid
share price appreciation. Accordingly, the Sub-adviser believes that the
Emerging Markets Fund's policy of investing in equity securities of companies in
emerging markets may enable the Fund to achieve results superior to those
produced by mutual funds with similar objectives that invest solely in equity
securities of issuers domiciled in the United States and/or in other developed
markets.
    
 
INVESTMENTS IN DEBT SECURITIES. The Emerging Markets Fund may invest in debt
securities of governmental and corporate issuers in emerging markets. Emerging
market debt securities often are rated below investment grade or not rated by
U.S. rating agencies. The Emerging Markets Fund may invest up to 20% of its
total assets in debt securities rated below investment grade. Investment in
below investment grade debt securities involves a high degree of risk and can be
speculative. These debt securities are the equivalent of high yield, high risk
bonds, commonly known as "junk bonds." See "Risk Factors -- Risks Associated
with Debt Securities."
 
   
If the rating of a debt security held by the Emerging Markets Fund drops below a
minimum rating considered acceptable by the Sub-adviser, the Fund will dispose
of any such security as soon as practicable and consistent with the best
interests of the Fund and its shareholders.
    
 
Growth of capital in debt securities may arise as a result of favorable changes
in relative foreign exchange rates, in relative interest rate levels and/ or in
the creditworthiness of issuers. The receipt of income from debt securities
owned by the Emerging Markets Fund is incidental to its objective of long-term
growth of capital.
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy if
it determines such a strategy to be warranted due to market, economic, or
political conditions. Under a defensive strategy, the Emerging Markets Fund
temporarily may invest up to 100% of its assets in cash (U.S. dollars, foreign
currencies, multinational currency units) and/or high quality debt securities or
money market instruments of U.S. or foreign issuers. In addition, for temporary
defensive purposes, most or all of its investments may be made in the United
States and denominated in U.S. dollars. To the extent the Fund employs a
temporary defensive strategy, it will not be invested so as to achieve directly
its investment objective. In addition, pending investment of proceeds from new
sales of Fund shares or to meet ordinary daily cash needs, the Fund temporarily
may hold cash (U.S. dollars, foreign currencies or multinational currency units)
and may invest any portion of its assets in money market instruments. For a full
description of money market instruments, see "                           " in
the Statement of Additional Information.
    
 
LATIN AMERICA GROWTH FUND
The Latin America Growth Fund's investment objective is capital appreciation.
The Fund normally invests at least 65% of its total assets in the securities of
a broad range of Latin American issuers. The Fund may invest in common stock,
preferred stock, rights, warrants and securities convertible into common stock,
and other substantially similar forms of equity securities with comparable risk
characteristics, as well as bonds, notes, debentures or other forms of
indebtedness that may be developed in the future. Normally, the Fund will invest
a majority of its assets in equity securities. The Fund may also invest up to
35% of its total assets in a combination of equity and debt securities of U.S.
issuers.
 
For purposes of this Prospectus, unless otherwise indicated, the Latin America
Growth Fund defines Latin America to include the following countries: Argentina,
the Bahamas, Barbados, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica,
Dominican Republic, Ecuador, El Salvador, French Guiana, Guatemala, Guyana,
Haiti, Honduras, Jamaica, Mexico, the Netherlands Antilles, Nicaragua, Panama,
Paraguay, Peru, Suriname, Trinidad and Tobago, Uruguay and Venezuela. Under
current market conditions, the Latin America Growth Fund expects to invest
primarily in securities issued by companies and governments in Mexico, Chile,
Brazil and Argentina. The Fund may invest more than 25% of its total assets in
any of these four countries but does not expect to invest more than 60% of its
total assets in any one country.
 
                               Prospectus Page 12
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
The Latin America Growth Fund defines securities of Latin American issuers to
include: (a) securities of companies organized under the laws of, or having a
principal office located in, a Latin American country; (b) securities of
companies that derive 50% or more of their total revenues from business in Latin
America, provided that, in the Sub-adviser's view, the value of such issuers'
securities reflect Latin American developments to a greater extent than
developments elsewhere; (c) securities issued or guaranteed by the government of
a country in Latin America, its agencies or instrumentalities, or
municipalities, or the central bank of such country; (d) U.S. dollar-denominated
securities or securities denominated in a Latin American currency issued by
companies to finance operations in Latin America; and (e) securities of Latin
American issuers, as defined herein, in the form of depositary shares. For
purposes of the foregoing definition, the Fund's purchases of securities issued
by companies outside of Latin America to finance their Latin American operations
will be limited to securities the performance of which is materially related to
such company's Latin American activities.
    
 
   
In allocating investments among the various Latin American countries, the
Sub-adviser looks principally at the stage of industrialization, potential for
productivity gains through economic deregulation, the impact of financial
liberalization and monetary conditions and the political outlook in each
country. In allocating assets between equity and debt securities, the
Sub-adviser will consider, among other factors: the level and anticipated
direction of interest rates; expected rates of economic growth and corporate
profits growth; changes in Latin American government policy including regulation
governing industry, trade, financial markets, and foreign and domestic
investment; substance and likely development of government finances; and the
condition of the balance of payments and changes in the terms of trade. In
evaluating investments in securities of U.S. issuers, the Sub-adviser will
consider, among other factors, the issuer's Latin American business activities
and the impact that development in Latin America may have on the issuer's
operations and financial condition.
    
 
Certain sectors of the economies of certain Latin American countries are closed
to equity investments by foreigners. Further, due to the absence of securities
markets and publicly owned corporations and due to restrictions on direct
investment by foreign entities in certain Latin American countries, the Latin
America Growth Fund may be able to invest in such countries solely or primarily
through governmentally approved investment vehicles or companies. In addition,
the portion of the Fund's assets invested directly in Chile may be less than the
portion invested in other Latin American countries because, at present, capital
directly invested in Chile normally cannot be repatriated for at least one year.
As a result, the Fund currently intends to limit most of its Chilean investments
to indirect investments through American Depositary Receipts ("ADRs") and
established Chilean investment companies, the shares of which are not subject to
repatriation restrictions.
 
INVESTMENTS IN DEBT SECURITIES. Under normal circumstances, the Latin America
Growth Fund may invest up to 50% of its total assets in debt securities. There
is no limitation on the percentage of its assets that may be invested in debt
securities that are rated below investment grade. Investment in below investment
grade debt securities involves a high degree of risk and can be speculative.
These debt securities are the equivalent of high yield, high risk bonds,
commonly known as "junk bonds." Most debt securities in which the Fund will
invest are not rated; if rated, it is expected that such ratings would be below
investment grade. However, the Fund will not invest in debt securities that are
in default in payment as to principal or interest. See "Risk Factors -- Risks
Associated with Debt Securities."
 
The Latin America Growth Fund may invest in "Brady Bonds," which are debt
restructurings that provide for the exchange of cash and loans for newly issued
bonds. Brady Bonds have been issued by the countries of Albania, Argentina,
Brazil, Bulgaria, Costa Rica, Dominican Republic, Ecuador, Ivory Coast, Jordan,
Mexico, Nigeria, Panama, Peru, Philippines, Poland, Uruguay, Venezuela and
Vietnam, and are expected to be issued by other emerging market countries. As of
the date of this Prospectus, the Fund is not aware of the occurrence of any
payment defaults on Brady Bonds. Investors should recognize, however, that Brady
Bonds, do not have a long payment history. In addition, Brady Bonds are often
rated below investment grade.
 
The Fund may invest in either collateralized or uncollateralized Brady Bonds.
U.S. dollar-denominated, collateralized Brady Bonds, which may be fixed rate par
bonds or floating rate discount bonds, are collateralized in full as to
principal by
 
                               Prospectus Page 13
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
U.S. Treasury zero coupon bonds having the same maturity as the bonds. Interest
payments on such bonds generally are collateralized by cash or securities in an
amount that, in the case of fixed rate bonds, is equal to at least one year of
rolling interest payments or, in the case of floating rate bonds, initially is
equal to at least one year's rolling interest payments based on the applicable
interest rate at the time of issuance and is adjusted at regular intervals
thereafter.
 
Capital appreciation in debt securities may arise as a result of a favorable
change in relative foreign exchange rates, in relative interest rate levels,
and/ or in the creditworthiness of issuers. The receipt of income from debt
securities owned by the Latin America Growth Fund is incidental to its objective
of capital appreciation.
 
   
TEMPORARY DEFENSIVE STRATEGIES. The Latin America Growth Fund may invest up to
100% of its assets in cash (U.S. dollars, foreign currencies, multinational
units) and/or high quality debt securities or money market instruments to
generate income to defray its expenses, for temporary defensive purposes and
pending investment in accordance with its investment objective and policies. In
addition, the Fund may be primarily invested in U.S. securities for temporary
defensive purposes or pending investment of the proceeds of sales of new Fund
shares. The Fund may assume a temporary defensive position when, due to
political, market or other factors broadly affecting Latin American markets, the
Sub-adviser determines that opportunities for capital appreciation in those
markets would be significantly limited over an extended period or that investing
in those markets presents undue risk of loss. For a full description of money
market instruments, see "                           " in the Statement of
Additional Information.
    
 
ADDITIONAL INVESTMENT POLICIES OF EMERGING MARKETS FUND AND LATIN AMERICA GROWTH
FUND
 
   
INVESTMENT IN OTHER INVESTMENT COMPANIES OR VEHICLES. The Funds may be able to
invest in certain countries solely or primarily through governmentally
authorized investment vehicles or companies, some of which may be investment
vehicles or companies that are advised by the Sub-adviser or its affiliates
("Affiliated Funds"). Pursuant to the Investment Company Act of 1940 (the "1940
Act"), a Fund generally may invest up to 10% of its total assets in the
aggregate in shares of other investment companies and up to 5% of its total
assets in any one investment company, as long as each investment does not
represent more than 3% of the outstanding voting stock of the acquired
investment company at the time of investment.
    
 
   
Investment in other investment companies may involve the payment of substantial
premiums above the value of such investment companies' portfolio securities and
is subject to limitations under the 1940 Act and market availability. The Funds
do not intend to invest in such investment companies unless, in the judgment of
the Sub-adviser, the potential benefits of such investment justify the payment
of any applicable premium or sales charge. As a shareholder in an investment
company, a Fund would bear its ratable share of that investment company's
expenses, including its advisory and administration fees. At the same time the
Fund would continue to pay its own management fees and other expenses. The
Sub-adviser waives its advisory fee to the extent that a Fund invests in an
Affiliated Fund.
    
 
SECURITIES LENDING. The Funds may lend their portfolio securities to
broker/dealers or to other institutional investors. Securities lending allows a
Fund to retain ownership of the securities loaned and, at the same time,
enhances a Fund's total return. At all times a loan is outstanding, a Fund's
borrower must maintain with the Fund's custodian collateral consisting of cash,
U.S. government securities or certain irrevocable letters of credit equal to the
value of the borrowed securities, plus any accrued interest or such other
collateral as permitted by a Fund's investment program and regulatory agencies,
and as approved by the Board. Each Fund limits its loans of portfolio securities
to an aggregate of 30% of the value of its total assets, measured at the time
any such loan is made. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the loaned securities and possible loss of rights
in the collateral should the borrower fail financially.
 
   
PRIVATIZATIONS. The governments in some emerging markets and Latin American
countries have been engaged in programs of selling part or all of their stakes
in government owned or controlled enterprises ("privatizations"). The
Sub-adviser believes that privatizations may offer opportunities for significant
capital appreciation and intends to invest assets of the Funds in privatizations
in appropriate circumstances. In certain emerging markets and
    
 
                               Prospectus Page 14
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
Latin American countries, the ability of foreign entities such as the Funds to
participate in privatizations may be limited by local law, or the terms on which
the Funds may be permitted to participate may be less advantageous than those
afforded local investors. There can be no assurance that Latin American
governments and governments in emerging markets will continue to sell companies
currently owned or controlled by them or that privatization programs will be
successful.
 
   
BORROWING. It is a fundamental policy of each Fund that it may borrow an amount
up to 33 1/3% of its total assets in order to meet redemption requests.
Borrowing may cause greater fluctuation in the value of the Funds' shares than
would be the case if the Funds did not borrow, but also may enable the Funds to
retain favorable securities positions rather than liquidating such positions to
meet redemptions. It is a nonfundamental policy of each Fund, that the Funds
will not purchase securities during times when outstanding borrowings represent
5% or more of each Fund's total assets.
    
 
   
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES. The Funds may purchase debt
securities on a "when-issued" basis and may purchase or sell such securities on
a "forward commitment" basis in order to hedge against anticipated changes in
interest rates and prices. The price, which is generally expressed in yield
terms, is fixed at the time the commitment is made, but delivery and payment for
the securities take place at a later date. When-issued securities and forward
commitments may be sold prior to the settlement date, but the Funds will
purchase or sell when-issued securities and forward commitments only with the
intention of actually receiving or delivering the securities, as the case may
be. No income accrues on securities that have been purchased pursuant to a
forward commitment or on a when-issued basis prior to delivery to the Funds. If
a Fund disposes of the right to acquire a when-issued security prior to its
acquisition or disposes of its right to deliver or receive against a forward
commitment, it may incur a gain or loss. At the time the Funds enter into a
transaction on a when-issued or forward commitment basis, that Fund will
segregate cash or liquid securities equal to the value of the when-issued or
forward commitment securities with its custodian bank and will mark to market
daily such assets. There is a risk that the securities may not be delivered and
that the Funds may incur a loss.
    
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Each Fund may use forward
currency contracts, futures contracts, options on securities, options on
indices, options on currencies and options on futures contracts to attempt to
hedge against the overall level of investment risk normally associated with the
portfolio. These instruments are often referred to as "derivatives," which may
be defined as financial instruments whose performance is derived, at least in
part, from the performance of another asset (such as a security, currency or an
index of securities). Each Fund may enter into such instruments up to the full
value of its portfolio assets. See "Risk Factors -- Options, Futures and Forward
Currency Transactions" herein and "Options, Futures and Currency Strategies" in
the Statement of Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, each Fund may enter into forward currency contracts for the purchase
or sale of a specified currency at a specified future date. Such contracts may
involve the purchase or sale of a foreign currency against the U.S. dollar or
may involve two foreign currencies. Each Fund may enter into forward currency
contracts either with respect to specific transactions or with respect to its
portfolio positions. Each Fund also may purchase and sell put and call options
on currencies, futures contracts on currencies and options on such futures
contracts to hedge against movements in exchange rates.
 
   
Only a limited market, if any, currently exists for options and futures
transactions relating to currencies of most emerging markets and most Latin
American markets, to securities denominated in such currencies or to securities
of issuers domiciled or principally engaged in business in such emerging
markets. To the extent that such a market does not exist, the Sub-adviser may
not be able to effectively hedge its investment in such markets.
    
 
   
Each Fund may purchase and sell put and call options on securities to hedge
against the risk of fluctuations in the prices of securities held by the Fund or
that the Sub-adviser intends to include in the Fund's portfolio. The Funds also
may purchase and sell put and call options on indices to hedge against overall
fluctuations in the securities markets generally or in a specific market sector.
    
 
Further, a Fund may sell stock index futures contracts and may purchase put
options or write call options on such futures contracts to protect against
 
                               Prospectus Page 15
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
a general stock market decline or a decline in a specific market sector that
could adversely affect the Fund's portfolio. A Fund also may purchase stock
index futures contracts and purchase call options or write put options on such
contracts to hedge against a general stock market or market sector advance and
thereby attempt to lessen the cost of future securities acquisitions. A Fund may
use interest rate futures contracts and options thereon to hedge the debt
portion of its portfolio against changes in the general level of interest rates.
 
   
OTHER INFORMATION. The investment objective of the Emerging Markets Fund and of
the Latin America Growth Fund may not be changed without the approval of a
majority of the respective Fund's outstanding voting securities. A "majority of
the Fund's outstanding voting securities" means the lesser of (i) 67% of the
shares represented at a meeting at which more than 50% of the outstanding shares
are represented, or (ii) more than 50% of the outstanding shares. In addition,
the Emerging Markets Fund and the Latin America Growth Fund each have adopted
certain investment limitations as fundamental policies which also may not be
changed without shareholder approval. A complete description of these
limitations is included in the Statement of Additional Information. Unless
specifically noted, the Emerging Markets Fund's and the Latin America Growth
Fund's investment policies described in this Prospectus and in the Statement of
Additional Information may be changed by the Company's Board of Trustees without
shareholder approval. If a percentage restriction on investment or utilization
of assets in an investment policy or restriction is adhered to at the time an
investment is made, a later change in percentage ownership of a security or kind
of securities resulting from changing market values or a similar type of event
will not be considered a violation of a Fund's or Portfolio's investment
policies or restrictions.
    
 
   
The Funds are authorized to engage in Short Sales, although they currently have
no intention of doing so, and may purchase American Depository Receipts,
American Depository Shares, Global Depository Receipts and European Depository
Receipts. See "Short Sales" and "Depository Receipts," respectively, in the
Investment Objectives and Policies section of the Statement of Additional
Information.
    
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that either Fund will achieve its investment
objective. Investing in either Fund entails a substantial degree of risk, and an
investment in either Fund should be considered speculative. Investors are
strongly advised to consider carefully the special risks involved in emerging
markets and Latin America, which are in addition to the usual risks of investing
in developed markets around the world.
 
Each Fund's net asset value will fluctuate, reflecting fluctuations in the
market value of its portfolio positions and its net currency exposure. Equity
securities, particularly common stocks, generally represent the most junior
position in an issuer's capital structure and entitle holders to an interest in
the assets of an issuer, if any, remaining after all more senior claims have
been satisfied. The value of equity securities held by each Fund will fluctuate
in response to general market and economic developments, as well as developments
affecting the particular issuers of such securities.
 
EMERGING MARKETS FUND. Investing in emerging markets involves risks relating to
potential political and economic instability within such markets and the risks
of expropriation, nationalization, confiscation of assets and property or the
imposition of restrictions on foreign investment and on repatriation of capital
invested. In the event of such expropriation, nationalization or other
confiscation, the Emerging Markets Fund could lose its entire investment in that
market.
 
Economies in individual emerging markets may differ favorably or unfavorably
from the U.S. economy in such respects as growth of gross domestic product,
rates of inflation, currency depreciation, capital reinvestment, resource self-
sufficiency and balance of payments positions. Many emerging market countries
have experienced high rates of inflation for many years. Inflation and rapid
fluctuations in inflation rates have had and may continue to have negative
effects on the
 
                               Prospectus Page 16
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
economies and securities markets of certain countries with emerging markets.
 
Emerging markets generally are dependent heavily upon international trade and,
accordingly, have been and may continue to be affected adversely by trade
barriers, exchange controls, managed adjustments in relative currency values and
other protectionist measures imposed or negotiated by the countries with which
they trade.
 
Disclosure and regulatory standards in many respects are less stringent than in
the U.S. and other major markets. There also may be a lower level of monitoring
and regulation of emerging markets and the activities of investors in such
markets, and enforcement of existing regulations has been extremely limited. In
addition, the securities of non-U.S. issuers generally are not registered with
the SEC, nor are the issuers thereof usually subject to the SEC's reporting
requirements. Accordingly, there may be less publicly available information
about foreign securities and issuers than is available with respect to U.S.
securities and issuers. Foreign companies generally are not subject to uniform
accounting, auditing and financial reporting standards, practices and
requirements comparable to those applicable to U.S. companies. The Emerging
Markets Fund's net investment income and/or capital gains from its foreign
investment activities may be subject to non-U.S. withholding taxes.
 
In addition, brokerage commissions, custodial services and other costs relating
to investment in foreign markets generally are more expensive than in the United
States, particularly with respect to emerging markets. Such markets have
different settlement and clearance procedures. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the Emerging Markets Fund to make intended securities purchases due
to settlement problems could cause the Emerging Markets Fund to miss attractive
investment opportunities. Inability to dispose of a portfolio security caused by
settlement problems could result either in losses to the Emerging Markets Fund
due to subsequent declines in value of the portfolio security or, if the
Emerging Markets Fund has entered into a contract to sell the security, could
result in possible liability to the purchaser.
 
   
The securities markets of emerging countries are substantially smaller, less
developed, less liquid and more volatile than the securities markets of
developed countries. The risk also exists that an emergency situation may arise
in one or more emerging markets as a result of which trading of securities may
cease or may be substantially curtailed and prices for the Emerging Markets
Fund's portfolio securities in such markets may not be readily available.
Section 22(e) of the 1940 Act permits a registered investment company, such as
the Emerging Markets Fund, to suspend redemption of its shares for any period
during which an emergency exists, as determined by the SEC. Accordingly, when
the Emerging Markets Fund believes that circumstances dictate, it will promptly
apply to the SEC for a determination that such an emergency exists within the
meaning of Section 22(e) of the 1940 Act. During the period commencing from the
Emerging Markets Fund's identification of such conditions until the date of any
SEC action, the Emerging Markets Fund's portfolio securities in the affected
markets will be valued at fair value determined in good faith by or under the
direction of the Company's Board of Trustees.
    
 
LATIN AMERICA GROWTH FUND. The Latin America Growth Fund is classified under the
1940 Act as a "non-diversified" fund. As a result, the Latin America Growth Fund
will be able to invest in a fewer number of issuers than if it were classified
under the 1940 Act as a "diversified" fund. To the extent that the Latin America
Growth Fund invests in a smaller number of issuers, the value of its shares may
fluctuate more widely and it may be subject to greater investment and credit
risk with respect to its portfolio.
 
Investing in securities of Latin American issuers involve risks relating to
potential political and economic instability of certain Latin American countries
and the risks of expropriation, nationalization, confiscation of assets and
property or the imposition of restrictions on foreign investment and on
repatriation of capital invested. In the event of such expropriation,
nationalization or other confiscation, the Latin America Growth Fund could lose
its entire investment in any such country.
 
The securities markets of Latin American countries are substantially smaller,
less developed, less liquid and more volatile than the major securities markets
in the United States. Disclosure and regulatory standards are in many respects
less stringent than U.S. standards. Furthermore, there is a lower level of
monitoring and regulation of the
 
                               Prospectus Page 17
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
markets and the activities of investors in such markets, and enforcement of
existing regulations has been extremely limited.
 
The limited size of many Latin American securities markets and limited trading
volume in issuers compared to volume of trading in U.S. securities could cause
prices to be erratic for reasons apart from factors that affect the quality of
the securities. For example, limited market size may cause prices to be unduly
influenced by traders who control large positions. Adverse publicity and
investors' perceptions, whether or not based on fundamental analysis, may
decrease the value and liquidity of portfolio securities, especially in these
markets.
 
Further, there is a risk that an emergency situation may arise in one or more
Latin American markets as a result of which prices for portfolio securities in
such markets may not be readily available. Accordingly, when the Latin America
Growth Fund believes that circumstances dictate, it will follow the procedures
as described above concerning the Emerging Markets Fund.
 
The economies of individual Latin American countries may differ favorably or
unfavorably from the U.S. economy in such respects as the rate of growth of
gross domestic product, the rate of inflation, capital reinvestment, resource
self-sufficiency and balance of payments position. Most Latin American countries
have experienced substantial, and in some periods extremely high, rates of
inflation for many years. Inflation and rapid fluctuations in inflation rates
have had and may continue to have very negative effects on the economies and
securities markets of certain Latin American countries. Furthermore, certain
Latin American countries may impose withholding taxes on dividends payable to
the Latin America Growth Fund at a higher rate than those imposed by other
foreign countries. This may reduce the Latin America Growth Fund's investment
income available for distribution to shareholders.
 
Companies in Latin America are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from those
applicable to U.S. companies. There is substantially less publicly available
information about Latin American companies and the governments of Latin American
countries than there is about U.S. companies and the U.S. Government.
 
Certain Latin American countries are among the largest debtors to commercial
banks and foreign governments. At times certain Latin American countries have
declared moratoria on the payment of principal and/or interest on external debt.
The Fund may invest in debt securities, including Brady Bonds, issued as part of
debt restructurings and such debt is to be considered speculative. There is a
history of defaults with respect to commercial bank loans by public and private
entities issuing Brady Bonds.
 
RISKS ASSOCIATED WITH DEBT SECURITIES. The value of the debt securities held by
the Emerging Markets Fund or by the Latin America Growth Fund generally will
vary inversely with market interest rates. If interest rates in a market fall,
the Funds' debt securities issued by governments or companies in that market
ordinarily will increase in value. If market interest rates increase, however,
the debt securities owned by the Funds in that market will likely decrease in
value.
 
The Emerging Markets Fund may invest up to 20% of its total assets in debt
securities rated below investment grade and the Latin America Growth Fund may
invest up to 50% of its total assets in debt securities of any rating. Such
investments involve a high degree of risk.
 
Debt rated Baa by Moody's Investors Service, Inc. ("Moody's") is considered by
Moody's to have speculative characteristics. Debt rated BB, B, CCC, CC or C by
Standard & Poor's, a division of The McGraw-Hill Companies, Inc. ("S&P"), and
debt rated Ba, B, Caa, Ca, or C by Moody's is regarded, on balance, as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligation. While such
lower quality debt will likely have some quality and protective characteristics,
these are outweighed by large uncertainties or major risk exposures to adverse
conditions. Debt rated C by Moody's or S&P is the lowest rated debt that is not
in default as to principal or interest and such issues so rated can be regarded
as having extremely poor prospects of ever attaining any real investment
standing. Lower quality debt securities are also generally considered to be
subject to greater risk than securities with higher ratings with regard to a
deterioration of general economic conditions. These foreign debt securities are
the equivalent of high yield, high risk bonds, commonly known as "junk bonds."
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to
 
                               Prospectus Page 18
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
evaluate the safety of principal and interest payments and do not evaluate the
risks of fluctuations in market value. Also, rating agencies may fail to make
timely changes in credit ratings in response to subsequent events, so that an
issuer's current financial condition may be better or worse than a rating
indicates.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. Issuers of lower quality securities are often highly
leveraged and may not have available to them more traditional methods of
financing. For example, during an economic downturn or a sustained period of
rising interest rates, highly leveraged issuers of lower quality securities may
experience financial stress. During such periods, such issuers may not have
sufficient revenues to meet their interest payment obligations. The issuer's
ability to service its debt obligations may also be adversely affected by
specific developments affecting the issuer, such as the issuer's inability to
meet specific projected business forecasts or the unavailability of additional
financing. Similarly, certain emerging market and Latin American governments
that issue lower quality debt securities are among the largest debtors to
commercial banks, foreign governments and supranational organizations such as
the World Bank, and may not be able or willing to make principal and/or interest
repayments as they come due. The risk of loss due to default by the issuer is
significantly greater for the holders of lower quality securities because such
securities are generally unsecured and may be subordinated to the claims of
other creditors of the issuer.
 
Lower quality debt securities frequently have call or buy-back features which
would permit an issuer to call or repurchase the security from the Funds. In
addition, the Funds may have difficulty disposing of lower quality securities
because they may have a thin trading market. There may be no established retail
secondary market for many of these securities, and either Fund anticipates that
such securities could be sold only to a limited number of dealers or
institutional investors. The lack of a liquid secondary market also may have an
adverse impact on market prices of such instruments and may make it more
difficult for the Funds to obtain accurate market quotations for purposes of
valuing the Funds' portfolios. The Funds may also acquire lower quality debt
securities during an initial underwriting or which are sold without registration
under applicable securities laws. Such securities involve special considerations
and risks.
 
In addition to the foregoing, factors that could have an adverse effect on the
market value of lower quality debt securities in which the Funds may invest
include: (i) potential adverse publicity; (ii) heightened sensitivity to general
economic or political conditions; and (iii) the likely adverse impact of a major
economic recession.
 
A Fund may also incur additional expenses to the extent it is required to seek
recovery upon a default in the payment of principal or interest on its portfolio
holdings, and a Fund may have limited legal recourse in the event of a default.
Debt securities issued by governments in emerging or Latin American markets can
differ from debt obligations issued by private entities in that remedies from
defaults generally must be pursued in the courts of the defaulting government,
and legal recourse is therefore somewhat diminished. Political conditions, in
terms of a government's willingness to meet the terms of its debt obligations,
also are of considerable significance. There can be no assurance that the
holders of commercial bank debt may not contest payments to the holders of debt
securities issued by governments in emerging or Latin American markets in the
event of default by the governments under commercial bank loan agreements.
 
   
ILLIQUID SECURITIES. The Emerging Markets Fund may invest up to 15% of its net
assets, and the Latin America Growth Fund may invest up to 10% of its net assets
in securities for which no readily available market exists, so-called "Illiquid
Securities." The Latin America Growth Fund may invest in joint ventures,
cooperatives, partnerships and state enterprises and other similar vehicles
which are illiquid (collectively, "Special Situations"). The Sub-adviser
believes that carefully selected investments in special situations could enable
the Latin America Growth Fund to achieve capital appreciation substantially
exceeding the appreciation the Fund would realize if it did not make such
investments. However, in order to limit investment risk, the Latin America
Growth Fund will invest no more than 5% of it total assets in Special
Situations.
    
 
                               Prospectus Page 19
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
Illiquid securities may be more difficult to value than liquid securities and
the sale of illiquid securities generally will require more time and result in
higher brokerage charges or dealer discounts and other selling expenses than the
sale of liquid securities. Moreover, illiquid securities often sell at a price
lower than similar securities that are liquid.
    
 
CURRENCY RISK. Because the Emerging Markets Fund and the Latin America Growth
Fund may invest substantially in securities denominated in currencies other than
the U.S. dollar, and since the Funds may hold foreign currencies, each Fund will
be affected favorably or unfavorably by exchange control regulations or changes
in the exchange rates between such currencies and the U.S. dollar. Changes in
currency exchange rates will influence the value of each Fund's shares, and also
may affect the value of dividends and interest earned by the Funds and gains and
losses realized by the Funds. Currencies generally are evaluated on the basis of
fundamental economic criteria (e.g., relative inflation and interest rate levels
and trends, growth rate forecasts, balance of payments status and economic
policies) as well as technical and political data. Exchange rates are determined
by the forces of supply and demand in the foreign exchange markets. These forces
are affected by the international balance of payments and other economic and
financial conditions, government intervention, speculation and other factors. If
the currency in which a security is denominated appreciates against the U.S.
dollar, the dollar value of the security will increase. Conversely, a decline in
the exchange rate of the currency would adversely affect the value of the
security expressed in dollars.
 
Many of the currencies of emerging market and Latin American countries have
experienced steady devaluations relative to the U.S. dollar, and major
devaluations have historically occurred in certain countries. Any devaluations
in the currencies in which a Fund's portfolio securities are denominated may
have a detrimental impact on the Fund.
 
Some countries also may have fixed currencies whose values against the U.S.
dollar are not independently determined. In addition, there is a risk that
certain countries may restrict the free conversion of their currencies into
other currencies. Further, certain currencies may not be internationally traded.
 
   
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS. Although either Fund is
authorized to enter into options, futures and forward currency transactions, a
Fund might not enter into any such transactions. Options, futures and forward
currency transactions involve certain risks, which include: (1) dependence on
the Sub-adviser's ability to predict movements in the prices of individual
securities, fluctuations in the general securities markets and movements in
interest rates and currency markets; (2) imperfect correlation, or even no
correlation, between movements in the price of forward contracts, options,
futures contracts or options thereon and movements in the price of the currency
or security hedged or used for cover; (3) the fact that skills and techniques
needed to trade options, futures contracts and options thereon or to use forward
currency contracts are different from those needed to select the securities in
which the Funds invest; (4) lack of assurance that a liquid secondary market
will exist for any particular option, futures contract or option thereon at any
particular time; (5) the possible loss of principal under certain conditions;
and (6) the possible inability of a Fund to purchase or sell a portfolio
security at a time when it would otherwise be favorable for it to do so, or the
possible need for a Fund to sell a security at a disadvantageous time, due to
the need for the Fund to maintain "cover" or to set aside securities in
connection with hedging transactions.
    
 
                               Prospectus Page 20
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
GENERAL. Advisor Class shares are offered through this Prospectus to (a)
trustees or other fiduciaries purchasing shares for employee benefit plans which
are sponsored by organizations which have at least 1,000 employees; (b) any
account with assets of at least $10,000 if (i) a financial planner, trust
company, bank trust department or registered investment adviser has investment
discretion over such account, and (ii) the account holder pays such person as
compensation for its advice and other services an annual fee of at least .50% on
the assets in the account ("Advisory Account"); (c) any account with assets of a
least $10,000 if (i) such account is established under a "wrap fee" program, and
(ii) the account holder pays the sponsor of such program an annual fee of at
least .50% on the assets in the account ("Wrap Fee Account"); (d) accounts
advised by one of the companies composing or affiliated with Liechtenstein
Global Trust; and (e) any of the companies composing or affiliated with
Liechtenstein Global Trust. Financial planners, trust companies, bank trust
companies and registered investment advisers referenced in subpart (b) and
sponsors of "wrap fee" programs referenced in subpart (c) are collectively
referred to as "Financial Advisers." Investors in Wrap Fee Accounts and Advisory
Accounts may only purchase Advisor Class shares through Financial Advisers who
have entered into agreements with GT Global and certain of its affiliates.
Investors may be charged a fee by their agents or brokers if they effect
transactions other than through a dealer.
 
   
All purchase orders will be executed at the public offering price next
determined after the purchase order is received. Orders received by authorized
institutions (or their designees) before the close of regular trading on the New
York Stock Exchange ("NYSE") (currently 4:00 p.m. Eastern Time, unless weather,
equipment failure or other factors contribute to an earlier closing time) on any
Business Day will be executed at the public offering price for the applicable
class of shares determined that day. Orders received by authorized institutions
(or their designees) before the close of regular trading on the NYSE on a
Business Day will be deemed to have been received by a Fund on such day and will
be effected that day, provided that such orders are transmitted to the Transfer
Agent prior to the time set for the receipt of such orders. A "Business Day" is
any day Monday through Friday on which the NYSE is open for business. The
authorized institution (or its designee) will be responsible for forwarding the
investor's order to the Transfer Agent so that it will be received prior to such
time.
    
 
   
THE FUNDS AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER
AND TO SUSPEND THE OFFERING OF SHARES FOR A PERIOD OF TIME. In particular, the
Funds and AIM Distributors may reject purchase orders or exchanges by investors
who appear to follow, in the Sub-adviser's judgment, a market-timing strategy or
otherwise engage in excessive trading. See "How to Make Exchanges -- Limitations
on Purchase Orders and Exchanges."
    
 
   
Fiduciaries and Financial Advisers may be required to provide information
satisfactory to AIM Distributors concerning their eligibility to purchase
Advisor Class shares. For specific information on opening an account, please
contact your Financial Adviser or AIM Distributors.
    
 
   
PURCHASES BY BANK WIRE. Shares of the Funds may also be purchased by bank wire.
Bank wire purchases will be effected at the next determined public offering
price after the bank wire is received. A wire investment is considered received
when the Transfer Agent is notified that the bank wire has been credited to a
Fund. Prior telephonic or facsimile notice that a bank wire is being sent must
be provided to the Transfer Agent. An investor's bank may charge a service fee
for wiring money to the Funds. The Transfer Agent currently does not charge a
service fee for facilitating wire purchases, but reserves the right to do so in
the future. For more information, please refer to the Shareholder Account Manual
in this Prospectus.
    
 
CERTIFICATES. Physical certificates representing a Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of a
Fund are recorded on a register by the Transfer Agent, and shareholders who do
not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than
 
                               Prospectus Page 21
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
similar transactions involving non-certificated shares because the physical
delivery and processing of properly executed certificates is required.
ACCORDINGLY, THE FUNDS AND AIM DISTRIBUTORS RECOMMEND THAT SHAREHOLDERS DO NOT
REQUEST ISSUANCE OF CERTIFICATES.
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program nor
does it prevent or lessen losses in a declining market.
 
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Certain Financial Institutions
may charge a fee for establishing accounts relating to the Program. Investors
should contact their Financial Institutions or AIM Distributors for more
information.
    
 
                               Prospectus Page 22
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
   
Advisor Class shares of a Fund may be exchanged for Advisor Class shares of any
other GT Global Mutual Fund, based on their respective net asset values without
imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds include
the following:
    
 
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
Exchange requests received in good order by the Transfer Agent before the close
of regular trading on the NYSE on any Business Day will be processed at the net
asset value calculated on that day. The terms of the exchange offer may be
modified at any time, on 60 days' prior written notice.
    
 
   
Investors in Wrap Fee Accounts and Advisory Accounts interested in making an
exchange should contact their Financial Advisers to request the prospectus of
the other GT Global Mutual Fund(s) being considered. Other investors should
contact AIM Distributors. See the Shareholder Account Manual in this Prospectus
for additional information.
    
 
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to his or
her Financial Adviser. Exchange orders will be accepted by telephone provided
that the exchange involves only uncertificated shares on deposit in the
shareholder's account or for which certificates previously have been deposited.
 
   
Shareholders automatically have telephone privileges to authorize exchanges. The
Funds, AIM Distributors and the Transfer Agent will not be liable for any loss
or damage for acting in good faith upon instructions received by telephone and
reasonably believed to be genuine. The Funds employ reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 23
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
   
Fund shares may be redeemed at their net asset value and redemption proceeds
will be sent within seven days of the execution of a redemption request.
Redemption requests may be transmitted to the Transfer Agent by telephone or by
mail, in accordance with the instructions provided in the Shareholder Account
Manual. Redemptions will be effected at the net asset value next determined
after the Transfer Agent has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received and any required supporting documentation. Redemption requests will not
require a signature guarantee if the redemption proceeds are to be sent either:
(i) to the redeeming shareholder at the shareholder's address of record as
maintained by the Transfer Agent, provided the shareholder's address of record
has not been changed within the preceding fifteen days; or (ii) directly to a
pre-designated bank, savings and loan or credit union account ("Pre-Designated
Account"). ALL OTHER REDEMPTION REQUESTS MUST BE ACCOMPANIED BY A SIGNATURE
GUARANTEE OF THE REDEEMING SHAREHOLDER'S SIGNATURE. A signature guarantee can be
obtained from any bank, U.S. trust company, a member firm of a U.S. stock
exchange or a foreign branch of any of the foregoing or other eligible guarantor
institution. A notary public is not an acceptable guarantor.
    
 
Shareholders with Pre-Designated Accounts should request that redemption
proceeds be sent either by bank wire or by check. The minimum redemption amount
for a bank wire is $500. Shareholders requesting a bank wire should allow two
business days from the time the redemption request is effected for the proceeds
to be deposited in the shareholder's Pre-Designated Account. See "How to Redeem
Shares -- Other Important Redemption Information." Shareholders may change their
Pre-Designated Accounts only by a letter of instruction to the Transfer Agent
containing all account signatures, each of which must be guaranteed. The
Transfer Agent currently does not charge a bank wire service fee on each wire
redemption sent, but reserves the right to do so in the future. The
shareholder's bank may charge a bank wire service fee.
 
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Funds, AIM Distributors and the Transfer Agent will not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and believed to be genuine. The Funds employ reasonable procedures to confirm
that instructions communicated by telephone are genuine prior to acting upon
instructions received by telephone, including requiring some form of personal
identification, providing written confirmation of such transactions, and/or tape
recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in a Wrap Fee Account or Advisory Account who is in doubt
as to what documents are required should contact his Financial Adviser or the
Transfer Agent.
    
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of
    
 
                               Prospectus Page 24
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
1940 ("1940 Act"), payment for shares redeemed by telephone or by mail will be
made promptly after receipt of a redemption request, if in good order, but not
later than seven days after the date the request is executed. Requests for
redemption which are subject to any special conditions or which specify a future
or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which a Fund has not yet
received good payment, the Fund may delay payment of redemption proceeds until
the Transfer Agent has assured itself that good payment has been collected for
the purchase of the shares. In the case of purchases by check, it can take up to
10 business days to confirm that the check has cleared and good payment has been
received. Redemption proceeds will not be delayed when shares have been paid for
by wire or when the investor's account holds a sufficient number of shares for
which funds already have been collected.
 
   
AIM Distributors reserves the right to redeem the shares of any Advisory Account
or Wrap Fee Account if the amount invested in GT Global Mutual Funds through
such account is reduced to less than $500 through redemptions or other action by
the shareholder. Written notice will be given to the shareholder at least 60
days prior to the date fixed for such redemption, during which time the
shareholder may increase the amount invested in GT Global Mutual Funds through
such account to an aggregate amount of $500 or more.
    
 
For additional information on how to redeem shares of the Funds, see the
Shareholder Account Manual in this Prospectus or contact your Financial Adviser.
 
                               Prospectus Page 25
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
Purchase, exchange and redemption orders should be placed in accordance with
this Manual. It is recommended that investors in Wrap Fee Accounts and Advisory
Accounts make such orders through their Financial Adviser. PLEASE BE CAREFUL TO
REFERENCE "ADVISOR CLASS" IN ALL INSTRUCTIONS PROVIDED. See "How to Invest,"
"How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
 
Each Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send completed Account Application (if initial purchase) or letter stating Fund
name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
A new account may be opened by calling 1-800-223-2138 to obtain an account
number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION CONTAINING
THE APPROPRIATE CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT TO THE
ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire instructions must state
Fund name, class of shares, shareholder's registered name and account number.
Bank wires should be sent through the Federal Reserve Bank Wire System to:
 
    WELLS FARGO BANK, N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, amount of
exchange, name of the GT Global Mutual Fund exchanging into, shareholder's
registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures may call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 26
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
Each Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing) each Business Day. Each Fund's
asset value per share is computed by determining the value of its total assets
(the securities it holds plus any cash or other assets, including interest and
dividends accrued but not yet received), subtracting all of its liabilities
(including accrued expenses), and dividing the result by the total number of
shares outstanding at such time. Net asset value is determined separately for
each class of shares of each Fund.
 
   
Equity securities held by a Fund are valued at the last sale price on the
exchange or in the OTC market in which such securities are primarily traded, as
of the close of business on the day the securities are being valued or, lacking
any sales, at the last available bid price. Long-term debt obligations are
valued at the mean of representative quoted bid or asked prices for such
securities, or, if such prices are not available, at prices for securities of
comparable maturity, quality and type; however, when the Sub-adviser deems it
appropriate, prices obtained from a bond pricing service will be used.
Short-term debt investments are amortized to maturity based on their cost,
adjusted for foreign exchange translation and market fluctuations, provided that
such valuations represent fair value. When market quotations for futures and
options positions held by a Fund are readily available, those positions are
valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's Board of Trustees. Securities and other assets quoted
in foreign currencies are valued in U.S. dollars based on the prevailing
exchange rates on that day.
    
 
Each Fund's portfolio securities, from time to time, may be listed primarily on
foreign exchanges or OTC markets that trade on days when the NYSE is closed
(such as Saturday). As a result, the net asset value of a Fund may be affected
significantly by such trading on days when shareholders cannot purchase or
redeem shares of that Fund.
 
- --------------------------------------------------------------------------------
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. Each Fund annually declares and pays as a
dividend all of its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less applicable expenses. Each Fund also annually distributes
substantially all of its realized net capital gains and net gains from foreign
currency transactions, if any. Each Fund may make an additional dividend or
other distribution each year if necessary to avoid a 4% excise tax on certain
undistributed income and gain.
 
Dividends and other distributions paid by each Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Advisor Class shares of a Fund will be higher than the
per share income dividends on shares of other classes of that Fund as a result
of the service and distribution fees applicable to those other shares.
SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Advisor Class shares of the distributing Fund (or other GT Global
    Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
                               Prospectus Page 27
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional Advisor Class shares are made at net asset
value without imposition of a sales charge. IF NO ELECTION IS MADE BY A
SHAREHOLDER, ALL DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY
REINVESTED IN ADDITIONAL ADVISOR CLASS SHARES OF THE DISTRIBUTING FUND.
Reinvestments in another GT Global Mutual Fund may only be directed to an
account with the identical shareholder registration and account number. These
elections may be changed by a shareholder at any time; to be effective with
respect to a distribution, the shareholder or the shareholder's broker must
contact the Transfer Agent by mail or telephone at least 15 Business Days prior
to the payment date. THE FEDERAL INCOME TAX CONSEQUENCES OF DIVIDENDS AND OTHER
DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE RECEIVED IN CASH OR REINVESTED IN
ADDITIONAL SHARES.
 
Any dividend or other distribution paid by a Fund has the effect of reducing the
net asset value per share on the ex-dividend date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. Each Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that a Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders.
 
Dividends from a Fund's investment company taxable income (whether paid in cash
or reinvested in additional shares) are taxable to its shareholders as ordinary
income to the extent of the Fund's earnings and profits. Distributions of a
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional Fund
shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, each Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
Each Fund provides federal tax information to its shareholders annually,
including information about dividends capital gains other distributions paid
during the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
Each Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain
 
                               Prospectus Page 28
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
whether a proper taxpayer identification number is on file with a Fund.
 
   
A redemption of a Fund's shares may result in taxable gain or loss to the
redeeming shareholder, depending upon whether the redemption proceeds are more
or less than the shareholder's adjusted basis for the redeemed shares. An
exchange of a Fund's shares for shares of another GT Global Mutual Fund
(including the other Fund) generally will have similar tax consequences. In
addition, if shares of a Fund are purchased within 30 days before or after
redeeming other Fund shares (regardless of class) at a loss, all or a part of
the loss will not be deductible and instead will increase the basis of the newly
purchased shares.
    
 
   
The foregoing is only a summary of some of the important federal tax
considerations generally affecting each Fund and its shareholders. See "Taxes"
in the Statement of Additional Information for a further discussion. There may
be other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
    
 
                               Prospectus Page 29
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's Board of Trustees has overall responsibility for the operation of
the Funds. The Company's Board of Trustees has approved all significant
agreements between the Company on the one side and persons or companies
furnishing services to the Funds on the other, including the investment advisory
and administrative services agreement with AIM, the investment sub-advisory and
sub-administration agreement with the Sub-adviser, the agreements with AIM
Distributors regarding distribution of each Fund's shares, the agreement with
State Street Bank and Trust Company as the custodian and the transfer agency
agreement with GT Global Investors Services, Inc., an affiliate of the
Sub-adviser. The day to day operations of each Fund are delegated to the
officers of the Company, subject always to the objectives and policies of the
applicable Fund and to the general supervision of the Company's Board of
Trustees. See "Trustees and Executive Officers" in the Statement of Additional
Information for a complete description of the Trustees of the Company.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as each Fund's investment managers and administrators include, but
are not limited to, determining the composition of the Fund's portfolio and
placing orders to buy, sell or hold particular securities; furnishing corporate
officers and clerical staff; providing office space, services and equipment; and
supervising all matters relating to the Fund's operation. For these services,
each of the Funds pays AIM investment management and administration fees,
computed daily and paid monthly, based on its average daily net assets, at the
annualized rate of .975% on the first $500 million, .95% on the next $500
million, .925% on the next $500 million, and .90% on amounts thereafter. Out of
the aggregate fees payable by a Fund, AIM pays the Sub-adviser sub-advisory and
sub-administration fees equal to 40% of the aggregate fees AIM receives from
each Fund. The investment management and administration fees paid by the Fund
are higher than those paid by most mutual funds. AIM has undertaken to limit
each Fund's expenses (exclusive of brokerage commissions, taxes, interest and
extraordinary expenses) to the annual rate of 1.50% of the average daily net
assets of the Fund's Advisor Class shares.
    
 
   
The Sub-adviser also serves as each Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion, and allocating the result according to each
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to each Fund pursuant to a master investment advisory
agreement, dated as of            , 1998 (the "Advisory Agreement"). AIM was
organized in 1976 and, together with its subsidiaries, manages or advises [over
50] investment company portfolios encompassing a broad range of investment
objectives. The Sub-adviser, 50 California Street, 27th Floor, San Francisco,
California 94111, and 1166 Avenue of the Americas, New York, New York 10036,
serves as the sub-adviser to each Fund pursuant to an investment sub-advisory
agreement dated as of            , 1998. On May 1998, Liechtenstein Global Trust
AG ("GT"), the former indirect parent organization of the sub-adviser,
consummated a purchase agreement with AMVESCAP PLC pursuant to which AMVESCAP
PLC acquired GT's Asset Management Division, which includes the Sub-adviser and
certain other affiliates. As a result of this transaction, the Sub-adviser is
now an indirect wholly-owned subsidiary of AMVESCAP PLC. Prior to the sales, the
Sub-adviser and its worldwide asset management affiliates provided investment
management and/or administrative services to institutional, corporate and
individual clients around the world since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC and its subsidiaries are an
independent investment management group that has a significant presence in the
institutional and retail segment of the investment management industry in North
America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices,
    
 
                               Prospectus Page 30
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
including investment offices in Atlanta, Boston, Dallas, Denver, Louisville,
Miami, Portland (Oregon), Frankfurt, Hong Kong, London, Singapore, Sydney, Tokyo
and Toronto. In managing the GT Global Mutual Funds, the Sub-adviser employs a
team approach, taking advantage of its investment resources around the world in
 
seeking each Fund's investment objective.
    
 
The investment professionals primarily responsible for the portfolio management
of the Funds are as follows:
 
                             EMERGING MARKETS FUND
 
   
<TABLE>
<CAPTION>
                               RESPONSIBILITIES FOR                          BUSINESS EXPERIENCE
NAME/OFFICE                          THE FUND                                  PAST FIVE YEARS
- ---------------------------  ------------------------  ----------------------------------------------------------------
<S>                          <C>                       <C>
Allan Conway                 Portfolio Manager since   Mr. Conway joined the Sub-adviser and GT Asset Management PLC
 London                       1997                      (London) ("GT Asset Management"), an affiliate of the
                                                        Sub-adviser, in January 1997 as Head of the Global Emerging
                                                        Markets Equity team. Based in London, he manages a centralized
                                                        team of global emerging market fund managers. From 1992 to
                                                        1997, Mr. Conway was Director of International Equities at
                                                        Hermes Investment Management ("Hermes"), and from 1982 to 1992
                                                        was a Portfolio Sub-adviser, and eventually Head of Overseas
                                                        Equities, at Provident Mutual.
Hugh Hunter                  Portfolio Manager since   Mr. Hunter has been a Portfolio Sub-adviser for the Sub-adviser
 London                       1997                      and GT Asset Management since June 1997. From 1987 to 1997, he
                                                        was Head of Quantitative Emerging Strategy at ING-Barings (Hong
                                                        Kong) ("Barings").
Aziz Minhas                  Portfolio Manager since   Mr. Minhas has been a Portfolio Manager for the Manager and GT
 London                       1997                      Asset Management since December 1997. Prior thereto, he was an
                                                        Investment Analyst and then a Senior Investment Analyst with
                                                        Abu Dhabi Investment Authority (London) from 1990 to 1997.
Darren Read                  Portfolio Manager since   Mr. Read has been a Portfolio Manager for the Manager and GT
 London                       1997                      Asset Management since May 1997. From 1995 to 1997, Mr. Read
                                                        was a Senior Investment Analyst at Hermes responsible for stock
                                                        selection and strategic asset allocation input in a number of
                                                        emerging markets. Prior thereto, Mr. Read was a Chartered
                                                        Accountant in the Financial Markets Division of Arthur Andersen
                                                        from 1991 to 1995.
Christine Rowley             Portfolio Manager since   Ms. Rowley has been a Portfolio Manager for the Manager, GT
 London                       1997                      Asset Management and GT Asset Management Ltd. (Hong Kong), an
                                                        affiliate of the Manager, since 1992. In this position, Ms.
                                                        Rowley managed Asian emerging market portfolios and, commencing
                                                        in 1997, global emerging market portfolios. Prior thereto, Ms.
                                                        Rowley was an Analyst with the Bank of England from 1989 to
                                                        1990.
Mark Thorogood               Portfolio Manager since   Mr. Thorogood joined the Manager and GT Asset Management in May
 London                       1997                      1997 as a Portfolio Manager. Prior thereto, he worked for
                                                        Barings from 1994 to 1997 as a proprietary Trader. From 1987 to
                                                        1994, Mr. Thorogood was at Provident Mutual, first as an
                                                        Analyst, and then as a Portfolio Manager covering the Japanese
                                                        and Asian Equity Markets.
</TABLE>
    
 
                               Prospectus Page 31
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                           LATIN AMERICA GROWTH FUND
 
   
<TABLE>
<CAPTION>
                             RESPONSIBILITIES FOR                           BUSINESS EXPERIENCE
NAME/OFFICE                        THE FUND                                   PAST FIVE YEARS
- ---------------------------  ---------------------  -------------------------------------------------------------------
<S>                          <C>                    <C>
Allan Conway                 Portfolio Manager      See description above.
 London                       since 1997
David Manuel                 Portfolio Manager      Mr. Manuel has been a Portfolio Manager for the Manager and GT
 London                       since 1997             Asset Management since November 1997. From 1987 to 1997, he was an
                                                     Investment Analyst and Portfolio Manager and, starting in 1994,
                                                     Head of Latin American Equities for Abbey Life Investment Services
                                                     Ltd. (London).
</TABLE>
    
 
                            ------------------------
 
   
In placing securities orders for the Funds' portfolio transactions, the Manager
seeks to obtain the best net results. Consistent with its obligation to obtain
the best net results, the Manager may consider a broker/dealer's sale of shares
of the GT Global Mutual Funds as a factor in considering through whom portfolio
transactions will be effected. Brokerage transactions may be executed through
affiliates of AIM or the Sub-adviser. High portfolio turnover (over 100%)
involves correspondingly greater brokerage commissions and other transaction
costs that the Funds will bear directly and could result in the realization of
net capital gains which would be taxable when distributed to shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. AIM Distributors is the distributor of each Fund's
Advisor Class shares. Like the Manager, AIM Distributors is a wholly owned
subsidiary of AIM. The address of AIM Distributors is P.O. Box 4739, Houston,
Texas 77210-4739.
    
 
   
The Latin America Growth Fund has previously suspended the offering of its
shares upon the advice of the Manager that doing so was in the best interests of
the portfolio management process. As of the date of this Prospectus, the Latin
America Growth Fund has resumed sales of its shares based upon the Sub-adviser's
advice that it is consistent with prudent portfolio management to do so.
However, the Latin America Growth Fund reserves the right to suspend sales again
and Emerging Markets Fund reserves the right to suspend sales in the future
based upon the foregoing portfolio considerations.
    
 
   
The Sub-adviser or an affiliate thereof may make ongoing payments to Financial
Advisers and others that facilitate the administration and servicing of Advisor
Class shareholder accounts.
    
 
   
AIM Distributors, at its own expense, may provide promotional incentives to
broker/dealers that sell shares of the Funds and/or shares of the other GT
Global Mutual Funds. In some instances additional compensation or promotional
incentives may be offered to brokers/dealers that have sold or may sell
significant amounts of shares during specified periods of time. Such
compensation and incentives may include, but are not limited to, cash,
merchandise, trips and financial assistance to broker/dealers in connection with
preapproved conferences or seminars, sales or training programs for invited
sales personnel, payment for travel expenses (including meals and lodging)
incurred by sales personnel and members of their families or other invited
guests to various locations for such seminars or training programs, seminars for
the public, advertising and sales campaigns regarding one or more of the GT
Global Mutual Funds, and/ or other events sponsored by the broker/dealers.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. Banks and broker/dealer affiliates of banks
also may execute dealer agreements with AIM Distributors for the purpose of
selling shares of the Funds. While the matter is not free from doubt, the Board
of Trustees believes that such laws should not preclude a bank from providing
administration or shareholder servicing support or preclude a bank's affiliates
from acting as a broker/dealer. However, judicial or administrative decisions or
interpretations of such laws, as well as changes in either federal or state
statutes or regulations relating to the permissible activities of banks or their
subsidiaries or affiliates, could prevent a bank and its affiliates from
continuing to perform all or part of its servicing or broker/dealer activities.
If a bank were prohibited from so acting, its shareholder clients would be
permitted to remain shareholders, and alternative means for continuing the
servicing of such shareholders would be sought. It is not expected that
shareholders would suffer any adverse financial consequences as a result of any
of these occurrences.
    
 
                               Prospectus Page 32
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in a Fund, the shareholder will receive from the
Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to a Fund's Automatic
Investment Plan, Systematic Withdrawal Plan and automatic dividend reinvestment
program may be provided quarterly. Shortly after the end of the Funds' fiscal
year on October 31 and fiscal half-year on April 30 of each year, shareholders
receive an annual and semiannual report, respectively. In addition, the federal
income tax status of distributions made by a Fund to shareholders will be
reported after the end of the calendar year on Form 1099-DIV. Under certain
circumstances, duplicate mailings of the foregoing reports to the same household
may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May    , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland Corporation organized on October
29, 1997. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the Company's shares. Shares of each Fund are entitled to
one vote per share (with proportional voting for fractional shares) and are
freely transferable. Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of each Fund will be
voted by a Fund's shareholders individually when the matter affects the specific
interest of that Fund only, such as approval of its investment management
arrangements. In addition, shares of a particular class of a Fund may vote on
matters affecting only that class. The shares of each Fund and the Company's
other funds will be voted in the aggregate on other matters, such as the
election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting securities may call a meeting of shareholders for
the purpose of voting upon the question of removal of any Trustee or for any
other purpose. The 1940 Act requires the Company to assist shareholders in
calling such a meeting.
    
 
Each Fund offers Advisor Class shares through this Prospectus to certain
enumerated investors. Each Fund also offers Class A shares and Class B shares to
investors through a separate prospectus. Each class of shares will experience
different net asset values and dividends as a result of different expenses borne
by each class of shares. The per share net asset value and dividends of the
Advisor Class shares of a Fund generally will be higher than that of the Class A
and B shares of that Fund because of the higher expenses borne by the Class A
and B shares. Consequently, during comparable periods, the Funds expect that the
total return on an investment in shares of the Advisor Class will be higher than
the total return on Class A or B shares.
 
   
Pursuant to the Company's Declaration of Trust, it may issue an unlimited number
of shares of each of the Funds. Each share of each Fund represents an interest
in that Fund only, has a par value of $0.01 per share, represents an equal
proportionate interest in that Fund with other shares of that Fund and is
entitled to such dividends and other distributions out of the income earned and
gain realized on the assets belonging to that Fund as may be declared at the
discretion of the Board of Trustees. Each share of each Fund is equal in
earnings, assets and voting privileges, except that each class has exclusive
voting rights with respect
    
 
                               Prospectus Page 33
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
to its distribution and bears the expenses, if any, related to the distribution
of its shares. Shares of each Fund, when issued, are fully paid and
nonassessable.
    
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Funds
toll-free at (800) 223-2138 or by writing to the Funds at P.O. Box 7893, San
Francisco, CA 94120-7893.
 
PERFORMANCE INFORMATION. The Funds, from time to time, may include information
on their investment results and/or comparisons of their investment results to
various unmanaged indices or results of other mutual funds or groups of mutual
funds in advertisements, sales literature or reports furnished to present or
prospective shareholders.
 
In such materials, the Funds may quote their average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of each Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of a one-, five- and ten-year periods, reduced by the
maximum applicable sales charge imposed on sales of Fund shares. If a one-,
five- and/or ten-year period has not yet elapsed, data will be provided as of
the end of a shorter period corresponding to the life of a Fund. Standardized
Return assumes reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Funds' performance or
more accurately compare such performance to other measures of investment return,
the Funds also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized Return reflects percentage rates of return encompassing all
elements of return (i.e., income and capital appreciation or depreciation); it
assumes reinvestment of all dividends and other distributions. Non-Standardized
Return may be quoted for the same or different periods as those for which
Standardized Return is quoted; it may consist of an aggregate or average annual
percentage rate of return, actual year-by-year rates or any combination thereof.
Non-Standardized Return may or may not take sales charges into account;
performance data calculated without taking the effect of sales charges into
account will be higher than data including the effect of such charges.
 
The Funds' performance data reflects past performance and is not necessarily
indicative of future results. The Funds' investment results will vary from time
to time depending upon market conditions, the composition of their portfolios
and their operating expenses. These factors and possible differences in
calculation methods should be considered when comparing a Fund's investment
results with those published for other investment companies, other investment
vehicles and unmanaged indices. Each Fund's results also should be considered
relative to the risks associated with its investment objective and policies. See
"Investment Results" in the Statement of Additional Information.
 
Each Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-
    
 
                               Prospectus Page 34
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
adviser will ensure that any systems subsequently acquired are year 2000
compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Funds are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM, and maintains its
offices at California Plaza, 2121 N. California Boulevard, Suite 450, Walnut
Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110 is custodian of each Fund's assets.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and the Funds.
Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-adviser and the
Transfer Agent in connection with other matters.
    
 
   
INDEPENDENT ACCOUNTANTS. The Company's and each Fund's independent accountants
are                  , One Post Office Square, Boston, MA 02109.
                 will conduct an annual audit of each Fund, assist in the
preparation of each Fund's federal and state income tax returns and consult with
the Company, or Trust, as applicable, and each Fund as to matters of accounting,
regulatory filings, and federal and state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 35
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
                          GT LATIN AMERICA GROWTH FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND  THE RISKS  OF INVESTING  IN  A CONCENTRATION  OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER  OR CALL AIM DISTRIBUTORS DIRECTLY  AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  PROSPECTUS  AND, IF GIVEN  OR MADE, SUCH  INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON  AS HAVING BEEN AUTHORIZED  BY G.T. INVESTMENT FUNDS,  GT
  GLOBAL  EMERGING MARKETS FUND,  GT GLOBAL LATIN  AMERICA GROWTH FUND,  A I M
  ADVISORS,  INC.,  [CHANCELLOR  LGT  ASSET   MANAGEMENT,  INC.]  OR  A  I   M
  DISTRIBUTORS,  INC. THIS PROSPECTUS DOES NOT  CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
   
                                                               LEMPV803001MC
    
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND:
                                 ADVISOR CLASS
 
   
                           PROSPECTUS -- JUNE 1, 1998
    
- --------------------------------------------------------------------------------
 
GT GLOBAL DEVELOPING MARKETS FUND (THE "FUND") primarily seeks long-term capital
appreciation. Its secondary investment objective is income, to the extent
consistent with seeking capital appreciation. The Fund normally invests
substantially all of its assets in issuers in the developing (or "emerging")
markets of Asia, Europe, Latin America and elsewhere. A majority of the Fund's
assets ordinarily is invested in emerging market equity securities. The Fund
also invests in emerging market debt securities, which are selected based on
their potential to provide a combination of capital appreciation and current
income. There can be no assurance that the Fund will achieve its investment
objectives.
 
   
Shares offered by this Prospectus are available for purchase only by certain
investors and are offered at net asset value without the imposition of a front-
end or contingent deferred sales charge or Rule 12b-1 fees.
    
 
The Fund is designed for long-term investors and not as a trading vehicle. The
Fund does not represent a complete investment program, nor is it suitable for
all investors. The Fund may invest significantly in equity and high yield, high
risk ("lower quality") debt securities that are predominantly speculative.
Investments of this type are subject to a greater risk of loss of principal and
interest. The Fund's investments in securities of issuers in developing markets
involves special considerations and risks that are not typically associated with
investments in securities of issuers in the United States or in other more
established markets. Investors should carefully assess the risks associated with
an investment in the Fund.
 
   
This Prospectus sets forth concisely information an investor should know before
investing and should be read carefully and retained for future reference. A
Statement of Additional Information, dated June 1, 1998, has been filed with the
Securities and Exchange Commission ("SEC") and, as supplemented or amended from
time to time, is incorporated herein by reference. The Statement of Additional
Information is available without charge by writing to the Fund at 50 California
Street, 27th Floor, San Francisco, CA 94111, or by calling (800) 824-1580. It is
also available, along with other related materials, on the SEC's Internet web
site (http://www.sec.gov).
    
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
   
The Funds and the Portfolios are managed by A I M Advisors, Inc. ("AIM") and are
sub-advised and sub-administered by [Chancellor GT Asset Management, Inc.] (the
"Sub-adviser"). AIM and the Sub-adviser and their worldwide asset management
affiliates provide investment management and/or administrative services to
institutional, corporate and individual clients around the world. AIM and the
Sub-adviser are both indirect wholly owned subsidiaries of AMVESCAP PLC.
AMVESCAP PLC and its subsidiaries are an independent investment management group
that has a significant presence in the institutional and retail segment of the
investment management industry in North America and Europe, and a growing
presence in Asia.
    
 
An investment in the Fund offers the following advantages:
 
/ / Access to Securities Markets Around the World
 
   
/ / Professional Management by a Leading Investment Adviser with Offices in the
    World's Major Markets
    
 
/ / Automatic Dividend and Other Distribution Reinvestment
 
/ / Exchange Privileges with the Advisor Class of the Other GT Global Mutual
    Funds
 
/ / Portfolio Rebalancing Program
 
   
FOR FURTHER INFORMATION, CALL
 
[(800) 824-1580] OR CONTACT YOUR FINANCIAL ADVISER.
    
 
- --------------------------------------------------------------------------------
 
THESE  SECURITIES  HAVE  NOT  BEEN APPROVED  OR  DISAPPROVED  BY  THE SECURITIES
 AND EXCHANGE  COMMISSION, NOR  HAS THE  SECURITIES AND  EXCHANGE  COMMISSION
   PASSED  ON  THE ACCURACY  OR  ADEQUACY OF  THIS  PROSPECTUS.         ANY
             REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          6
Investment Objectives and Policies........................................................          7
Risk Factors..............................................................................         12
How to Invest.............................................................................         17
How to Make Exchanges.....................................................................         19
How to Redeem Shares......................................................................         21
Shareholder Account Manual................................................................         23
Calculation of Net Asset Value............................................................         24
Dividends, Other Distributions and Federal Income Taxation................................         24
Management................................................................................         26
Other Information.........................................................................         29
</TABLE>
    
 
                               Prospectus Page 2
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus
 
   
<TABLE>
<S>                            <C>                               <C>
The Fund:                                         The  Fund  is  a non-diversified  series  of  G.T. Investment  Funds,  Inc. (the
                                                  "Company").
 
Investment Objectives:         The Fund's  primary  investment  objective  is  long-term  capital
                               appreciation;  its secondary  objective is  income, to  the extent
                               consistent with seeking capital appreciation.
 
Principal Investments:         The Fund normally  invests a  majority of its  assets in  emerging
                               market  equity securities and  also may invest  in emerging market
                               debt securities.
 
Principal Risk Factors:        There is no assurance  that the Fund  will achieve its  investment
                               objectives.  The Fund's net asset  value per share will fluctuate,
                               reflecting fluctuations  in  the  market value  of  its  portfolio
                               holdings.
 
                               The  Fund invests  in foreign  securities. Investments  in foreign
                               securities  involve  risks  relating  to  political  and  economic
                               developments abroad and the differences between the regulations to
                               which  U.S. and  foreign issuers  are subject.  Individual foreign
                               economies also may differ favorably  or unfavorably from the  U.S.
                               economy.  Changes in  foreign currency exchange  rates will affect
                               the Fund's  net  asset  value,  earnings,  and  gains  and  losses
                               realized  on sales of securities.  Securities of foreign companies
                               may be less liquid  and their prices more  volatile than those  of
                               securities of comparable U.S. companies. The Fund normally invests
                               substantially  all of its  assets in issuers  in emerging markets.
                               Such investments entail greater risks than investing in issuers in
                               developed markets.
 
                               The Fund  may  engage in  certain  foreign currency,  options  and
                               futures transactions to attempt to hedge against the overall level
                               of  investment and  currency risk  associated with  its present or
                               planned investments. Such transactions  involve certain risks  and
                               transaction costs.
 
                               The value of debt securities held by the Fund generally fluctuates
                               inversely  with interest rate  movements. Certain investment grade
                               debt securities may  possess speculative qualities.  The Fund  may
                               invest  in below investment grade  debt securities. Investments of
                               this type are subject to a  greater risk of loss of principal  and
                               interest.
 
                               See "Investment Objectives and Policies" and "Risk Factors."
 
                               AIM  and  the  Sub-adviser and  their  worldwide  asset management
Investment Managers:           affiliates provide  investment  management  and/or  administrative
                               services to institutional, corporate and individual clients around
                               the  world. AIM and the Sub-adviser are both indirect wholly owned
                               subsidiaries of AMVESCAP  PLC. AMVESCAP PLC  and its  subsidiaries
                               are   an  independent  investment  management  group  that  has  a
                               significant presence in  the institutional and  retail segment  of
                               the  investment management  industry in North  America and Europe,
                               and a growing  presence in Asia.  AIM was organized  in 1976  and,
                               together   with  its  affiliates,   currently  advises  [over  50]
                               investment company portfolios.  On             1998, AMVESCAP  PLC
                               acquired the
</TABLE>
    
 
                               Prospectus Page 3
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
   
<TABLE>
<S>                            <C>                               <C>
                               Asset Management Division of Liechtenstein Global Trust AG ("GT"),
                               which include the Sub-adviser and certain other affiliates.
 
                               Advisor  Class shares are offered  through this Prospectus to [(a)
Advisor Class Shares:          trustees or  other  fiduciaries  purchasing  shares  for  employee
                               benefit  plans that  are sponsored  by organizations  that have at
                               least 1,000 employees;  (b) any  account with assets  of at  least
                               $10,000  if  (i) a  financial planner,  trust company,  bank trust
                               department  or  registered   investment  adviser  has   investment
                               discretion  over such  account, and  (ii) the  account holder pays
                               such person as compensation for  its advice and other services  an
                               annual fee of at least 0.50% on the assets in the account; (c) any
                               account  with assets  of a  least $10,000  if (i)  such account is
                               established under  a  "wrap fee"  program,  and (ii)  the  account
                               holder  pays the sponsor of such program an annual fee of at least
                               0.50% on the assets in the account; (d) accounts advised by one of
                               the companies composing or affiliated  with AMVESCAP PLC; and  (e)
                               any of the companies composing or affiliated with AMVESCAP PLC.]
 
                               Advisor  Class shares of the  Fund are available through Financial
Shares Available Through:      Advisers (as  defined herein)  that have  entered into  agreements
                               with  the  Fund's  distributor,  A I  M  Distributors,  Inc. ("AIM
                               Distributors") or certain  of its affiliates.  Shares also may  be
                               acquired  by  sending  an  application  directly  to  GT  Investor
                               Services, Inc.  (the "Transfer  Agent")  or through  exchanges  of
                               shares  as described below.  See "How to  Invest" and "Shareholder
                               Account Manual."
 
Exchange Privileges:           Advisor Class  shares  may only  be  exchanged for  Advisor  Class
                               shares  of the  other GT Global  Mutual Funds,  which are open-end
                               management investment  companies sub-advised  by the  Sub-adviser.
                               See "How to Make Exchanges" and "Shareholder Account Manual."
 
Redemptions:                   Shares may be redeemed through the Fund's Transfer Agent. See "How
                               to Redeem Shares" and "Shareholder Account Manual."
 
Dividends and Other            Dividends  and other distributions from net investment income, net
  Distributions:               short- term  capital gain,  net capital  gain and  net gains  from
                               foreign currency transactions, if any, are paid annually.
 
Reinvestment:                  Dividends  and other distributions may be reinvested automatically
                               in Advisor Class shares of the Fund or in Advisor Class shares  of
                               other GT Global Mutual Funds.
</TABLE>
    
 
                               Prospectus Page 4
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
   
SUMMARY OF INVESTOR COSTS. The expenses and maximum transactions costs
associated with investing in the Advisor Class shares of the Fund are reflected
in the following tables (1):
    
 
   
<TABLE>
<CAPTION>
                                                                                                            ADVISOR CLASS
                                                                                                           ---------------
<S>                                                                                                        <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases of shares (as a % of offering price).................................          None
  Sales charges on reinvested distributions to shareholders..............................................          None
  Maximum deferred sales charge (as a % of net asset value at time of purchase or sale, whichever is
    less)................................................................................................          None
  Redemption charges.....................................................................................          None
  Exchange Fees..........................................................................................          None
ANNUAL FUND OPERATING EXPENSES (2):
  (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees..........................................................         0.98%
  12b-1 distribution and service fees....................................................................          None
  Other expenses (after estimated waivers)...............................................................         0.52%
                                                                                                                 ------
Total Fund Operating Expenses............................................................................         1.50%
                                                                                                                 ------
                                                                                                                 ------
</TABLE>
    
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Fund, assuming a 5%
annual return:
 
   
<TABLE>
<CAPTION>
                                                                                            ONE    THREE   FIVE     TEN
                                                                                            YEAR   YEARS   YEARS   YEARS
                                                                                            ----   -----   -----   -----
<S>                                                                                         <C>    <C>     <C>     <C>
Advisor Class Shares......................................................................  $      $       $       $
</TABLE>
    
 
- ------------------
   
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN THE FUND. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUND'S
    ACTUAL EXPENSES, AND AN INVESTOR'S DIRECT AND INDIRECT EXPENSES, MAY BE MORE
    OR LESS THAN THOSE SHOWN. The tables and the assumption in the example of a
    5% annual return are required by regulations of the SEC applicable to all
    mutual funds. The 5% annual return is not a prediction of and does not
    represent the Fund's projected or actual performance.
    
 
   
(2) Expenses are estimated based on the fees and expenses the Fund is expected
    to incur during its initial year as an open-end fund and AIM's undertaking
    to limit the Fund's expenses (exclusive of brokerage commissions, taxes,
    interest and extraordinary expenses) to the annual rate of 1.50% of the
    average daily net assets of the Fund's Advisor Class shares. Without
    waivers, "Other expenses" and "Total Fund Operating Expenses" are estimated
    to be 0.65% and 1.63%, respectively, for Advisor Class shares. "Other
    expenses" include custody, transfer agent, legal and audit fees and other
    operating expenses. See "Management" herein and in the Statement of
    Additional Information for more information. Investors purchasing Advisor
    Class shares through financial planners, trust companies, bank trust
    departments or registered investment advisers, or under a "wrap fee"
    program, will be subject to additional fees charged by such entities or by
    the sponsors of such programs. Where any account advised by one of the
    companies composing or affiliated with AMVESCAP PLC invests in Advisor Class
    shares of the Fund, such account shall not be subject to duplicative
    advisory fees.
    
 
                               Prospectus Page 5
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
   
The table below provides condensed financial information concerning income and
capital changes for one share of G.T. Global Developing Markets Fund, Inc. (the
"Predecessor Fund") for the periods shown. This information is supplemented by
the financial statements and accompanying notes appearing in the Statement of
Additional Information. The financial information in the table below has been
audited by                         , independent accountants. The Predecessor
Fund was a closed-end investment company whose single class of shares traded on
the New York Stock Exchange ("NYSE"). On October 31, 1997, the Fund, which had
no previous operating history, acquired the assets and assumed the liabilities
of the Predecessor Fund. On that date, all shareholders of the Predecessor Fund
received Class A shares of the Fund. The fees and expenses of the Fund will
differ from those of the Predecessor Fund. The Fund's fiscal year end will be
October 31, rather than December 31, which was the Predecessor Fund's fiscal
year end.
    
 
                       GT GLOBAL DEVELOPING MARKETS FUND
            (SUCCESSOR TO G.T. GLOBAL DEVELOPING MARKETS FUND, INC.)
 
  (For the entire period shown, the Predecessor Fund operated as a closed-end
                     investment company traded on the NYSE)
 
<TABLE>
<CAPTION>
                                                                                                       JAN. 11, 1994
                                                                                                       (COMMENCEMENT
                                                                                YEAR ENDED DEC. 31,    OF OPERATIONS)
                                                                 PERIOD ENDED   --------------------         TO
                                                                 OCT. 31, 1997    1996       1995      DEC. 31, 1994
                                                                 -------------  ---------  ---------  ----------------
<S>                                                              <C>            <C>        <C>        <C>
Per Share Operating Performance:
Net asset value, beginning of period...........................    $   13.84    $   11.60  $   12.44     $    15.00
                                                                 -------------  ---------  ---------  ----------------
Income from investment operations:
  Net investment income........................................         0.25         0.53       0.72           0.35
  Net realized and unrealized gain (loss) on investments.......        (1.53)        2.19      (0.84)         (2.46)
                                                                 -------------  ---------  ---------  ----------------
    Net increase (decrease) from investment operations.........        (1.28)        2.72      (0.12)         (2.11)
                                                                 -------------  ---------  ---------  ----------------
Distributions to shareholders:
  From net investment income...................................           --        (0.48)     (0.72)         (0.35)
  From net realized gain on investments........................           --           --         --          (0.10)
                                                                 -------------  ---------  ---------  ----------------
    Total distributions........................................           --        (0.48)     (0.72)         (0.45)
                                                                 -------------  ---------  ---------  ----------------
Net asset value, end of period.................................    $   12.56    $   13.84  $   11.60     $    12.44
                                                                 -------------  ---------  ---------  ----------------
                                                                 -------------  ---------  ---------  ----------------
Market value, end of period....................................    $   11.81    $   13.84  $   11.60     $    12.44
                                                                 -------------  ---------  ---------  ----------------
                                                                 -------------  ---------  ---------  ----------------
Total investment return (based on net asset value) (a).........      (9.25)%+      23.59%    (0.95)%       (14.07)%+
Total investment return (based on market value)................        1.62%(b)    24.18%      6.60%       (32.16)%(b)
 
Ratios and supplemental data:
Net assets, end of period (in 000's)...........................    $ 457,379    $ 504,012  $ 422,348     $  452,872
Ratio of net investment income to average net assets...........        2.03%++      4.07%      6.33%          2.75%++
Ratio of expenses to average net assets:
  With expense reductions......................................        1.75%++      1.82%      1.77%          2.01%++
  Without expense reductions...................................        1.83%++      1.85%      1.80%          2.01%++
Portfolio turnover rate........................................         184%++       138%        75%            56%
Average commission rate per share paid on portfolio
 transactions..................................................    $  0.0023    $  0.0022        N/A            N/A
<FN>
- ------------------
</TABLE>
 
+   Not annualized
++  Annualized
 
(a) Total investment return differs from the Predecessor Fund's total investment
    return based on market value.
 
N/A Not Applicable
                         ------------------------------
 
   
<TABLE>
<CAPTION>
                                                                              AVERAGE MONTHLY NUMBER    AVERAGE AMOUNT
                                  AMOUNT OF DEBT    AVERAGE MONTHLY AMOUNT    OF REGISTRANT'S SHARES     OF DEBT PER
                                  OUTSTANDING AT     OF DEBT OUTSTANDING           OUTSTANDING           SHARE DURING
YEAR ENDED                         END OF PERIOD      DURING THE PERIOD         DURING THE PERIOD         THE PERIOD
- --------------------------------  ---------------  ------------------------  ------------------------  ----------------
<S>                               <C>              <C>                       <C>                       <C>
October 31, 1997................        --                 $379,964                 36,416,667             $0.0104
</TABLE>
    
 
                               Prospectus Page 6
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
The Fund's primary investment objective is long-term capital appreciation; its
secondary objective is income, to the extent consistent with seeking capital
appreciation. The Fund normally invests substantially all of its assets in
issuers in the developing (or "emerging") markets of Asia, Europe, Latin America
and elsewhere. A majority of the Fund's assets normally are invested in emerging
market equity securities. The Fund may invest in the following types of equity
securities: common stock, preferred stock, securities convertible into common
stock, American Depository Receipts, Global Depository Receipts, rights and
warrants to acquire such securities and substantially similar forms of equity
with comparable risk characteristics. The Fund may also invest in emerging
market debt securities that will be selected based on their potential to provide
a combination of capital appreciation and current income.
 
   
For purposes of the Fund's operations, emerging markets consist of all countries
determined by the Sub-adviser to have developing or emerging economies and
markets. These countries generally include every country in the world except the
United States, Canada, Japan, Australia, New Zealand and most countries located
in Western Europe. See "Investment Objectives and Policies" in the Statement of
Additional Information for a complete list of all the countries that the Fund
does not currently consider to be emerging markets.
    
 
For purposes of the Fund's policy of normally investing substantially all of its
assets in issuers in emerging markets, the Fund will consider investment in the
following emerging markets:
 
<TABLE>
<S>               <C>            <C>
  Algeria         Hong Kong      Peru
  Argentina       Hungary        Philippines
  Bolivia         India          Poland
  Botswana        Indonesia      Portugal
  Brazil          Israel         Republic of
  Bulgaria        Ivory Coast    Slovakia
  Chile           Jamaica        Russia
  China           Jordan         Singapore
  Colombia        Kazakhstan     Slovenia
  Costa Rica      Kenya          South Africa
  Cyprus          Lebanon        South Korea
  Czech           Malaysia       Sri Lanka
   Republic       Mauritius      Swaziland
  Dominican       Mexico         Taiwan
   Republic       Morocco        Thailand
  Ecuador         Nicaragua      Turkey
  Egypt           Nigeria        Ukraine
  El Salvador     Oman           Uruguay
  Finland         Pakistan       Venezuela
  Ghana           Panama         Zambia
  Greece          Paraguay       Zimbabwe
</TABLE>
 
Although the Fund considers each of the above-listed countries eligible for
investment, it will not be invested in all such markets at all times. Moreover,
investing in some of those markets currently may not be desirable or feasible,
due to the lack of adequate custody arrangements for the Fund's assets, overly
burdensome repatriation and similar restrictions, the lack of organized and
liquid securities markets, unacceptable political risks or for other reasons.
 
   
As used in this Prospectus, an issuer in an emerging market is an entity (1) for
which the principal securities trading market is an emerging market, as defined
above, (2) that (alone or on a consolidated basis) derives 50% or more of its
total revenues from business in emerging markets, provided that, in the
Sub-adviser's view, the value of such issuer's securities will tend to reflect
emerging market developments to a greater extent than developments elsewhere, or
(3) organized under the laws of, or with a principal office in, an emerging
market.
    
 
   
In selecting investments, the Sub-adviser seeks to identify those countries and
industries where economic and political factors, including currency movements,
are likely to produce above-average
    
 
                               Prospectus Page 7
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
growth rates over the long term. The Sub-adviser seeks those emerging markets
that have strongly developing economies and in which the markets are becoming
more sophisticated. The Sub-adviser then invests in those companies in such
countries and industries that it believes are best positioned and managed to
take advantage of these economic and political factors. The Sub-adviser believes
that the issuers of securities in emerging markets often have sales and earnings
growth rates that exceed those in developed countries and that such growth rates
may in turn be reflected in more rapid share price appreciation.
    
 
   
As opportunities to invest in securities in other emerging markets develop, the
Fund expects to expand and further broaden the group of emerging markets in
which it invests. In some cases, investments in debt securities could provide
the Fund with access to emerging markets in the early stages of their economic
development, when equity securities are not yet generally available or, in the
Sub-adviser's view, do not yet present an acceptable investment alternative.
While the Fund generally is not restricted in the portion of its assets that may
be invested in a single region, under normal conditions its assets will be
invested in issuers in at least four countries, and it will not invest more than
25% of its assets in issuers in one country. The Fund's holdings of any one
foreign currency together with securities denominated in or indexed to such
currency will not exceed 40% of its assets.
    
 
INVESTMENTS IN DEBT SECURITIES. The Fund may invest up to 50% of its total
assets in the following types of emerging market debt securities: (1) debt
securities issued or guaranteed by governments, their agencies,
instrumentalities or political subdivisions, or by government owned, controlled
or sponsored entities, including central banks (collectively, "Sovereign Debt"),
including Brady Bonds; (2) interests in issuers organized and operated for the
purpose of restructuring the investment characteristics of Sovereign Debt; (3)
debt securities issued by banks and other business entities; and (4) debt
securities denominated in or indexed to the currencies of emerging markets. Debt
securities held by the Fund may take the form of bonds, notes, bills,
debentures, bank debt obligations, short-term paper, loan participations,
assignments and interests issued by entities organized and operated for the
purpose of restructuring the investment characteristics of any of the foregoing.
There is no requirement with respect to the maturity or duration of debt
securities in which the Fund may invest.
 
There is no limitation on the percentage of the Fund's assets that may be
invested in debt securities that are rated below investment grade. Investment in
below investment grade debt securities involves a high degree of risk and can be
speculative. These debt securities are the equivalent of high yield, high risk
bonds, commonly known as "junk bonds." Debt securities in which the Fund will
invest may not be rated; if rated, it is expected that such ratings will be
below investment grade. See "Risk Factors -- Risks Associated with Debt
Securities" and "-- Risks Associated with Below Investment Grade Debt
Securities."
 
The Fund may invest in "Brady Bonds," which are debt restructurings that provide
for the exchange of cash and loans for newly issued bonds. Brady Bonds have been
issued by the countries of Albania, Argentina, Brazil, Bulgaria, Costa Rica,
Dominican Republic, Ecuador, Ivory Coast, Jordan, Mexico, Nigeria, Panama, Peru,
Philippines, Poland, Uruguay, Venezuela and Vietnam, and are expected to be
issued by other emerging market countries. As of the date of this Prospectus,
the Fund is not aware of the occurrence of any payment defaults on Brady Bonds.
Investors should recognize, however, that Brady Bonds do not have a long payment
history. In addition, Brady Bonds are often rated below investment grade.
 
The Fund may invest in either collateralized or uncollateralized Brady Bonds.
U.S. dollar-denominated collateralized Brady Bonds, which may be fixed rate par
bonds or floating rate discount bonds, are collateralized in full as to
principal by U.S. Treasury zero coupon bonds having the same maturity as the
bonds. Interest payments on such bonds generally are collateralized by cash or
securities in an amount that, in the case of fixed rate bonds, is equal to at
least one year of rolling interest payments or, in the case of floating rate
bonds, initially is equal to at least one year's rolling interest payments based
on the applicable interest rate at the time of issuance and is adjusted at
regular intervals thereafter.
 
Capital appreciation in debt securities may arise as a result of a favorable
change in relative foreign exchange rates, relative interest rate levels and/or
the creditworthiness of issuers.
 
ADDITIONAL INVESTMENT POLICIES
 
   
TEMPORARY DEFENSIVE STRATEGIES. In the interest of preserving shareholders'
capital, the Sub-adviser may employ a temporary defensive investment strategy
for the Fund if it determines such a strategy
    
 
                               Prospectus Page 8
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
to be warranted due to market, economic or political conditions. Under a
defensive strategy, the Fund may hold cash (U.S. dollars, foreign currencies or
multinational currency units) and/or invest any portion or all of its assets in
high quality money market instruments of U.S. or foreign issuers. In addition,
for temporary defensive purposes, most or all of the Fund's investments may be
made in the United States and denominated in U.S. dollars. To the extent the
Fund adopts a temporary defensive posture, it will not be invested so as to
directly achieve its investment objectives. In addition, pending investment of
proceeds from new sales of Fund shares or in order to meet ordinary daily cash
needs, the Fund may hold cash (U.S. dollars, foreign currencies or multinational
currency units) and may invest in foreign or domestic high quality money market
instruments. For a full descripton of money market instruments, see         in
the Statement of Additional Information.
    
 
BORROWING AND REVERSE REPURCHASE AGREEMENTS. In connection with meeting requests
for the redemption of Fund shares, the Fund may borrow from banks or may borrow
through reverse repurchase agreements. The Fund also may borrow up to 5% of its
total assets for temporary or emergency purposes other than to meet redemptions
but total borrowings may not exceed 33 1/3% of its total assets. However, the
Fund will not purchase securities while borrowings in excess of 5% of its total
assets are outstanding. Any borrowing by the Fund may cause greater fluctuation
in the value of its shares than would be the case if it did not borrow.
 
A reverse repurchase agreement is a borrowing transaction in which the Fund
transfers possession of a security to another party, such as a bank or
broker/dealer, in return for cash and agrees to repurchase the security in the
future at an agreed-upon price that includes an interest component.
 
SECURITIES LENDING. The Fund may lend its portfolio securities to broker/dealers
or to other institutional investors. Securities lending allows the Fund to
retain ownership of the securities loaned and, at the same time, enhances the
Fund's total return. The Fund limits its loans of portfolio securities to an
aggregate of 30% of the value of its total assets, measured at the time any such
loan is made. While a loan is outstanding the borrower must maintain with the
Fund's custodian collateral consisting of cash, U.S. government securities or
certain irrevocable letters of credit equal to at least 100% of the value of the
borrowed securities plus any accrued interest or such other collateral as
permitted by the Fund's investment program and regulatory agencies, and as
approved by the Board. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the securities and possible loss of rights in the
collateral if the borrower fails financially.
 
   
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. To attempt to increase
return, the Fund may write call options on securities. This strategy will be
employed only when, in the opinion of the Sub-adviser, the size of the premium
the Fund receives for writing the option is adequate to compensate it against
the risk that appreciation in the underlying security may not be fully realized
if the option is exercised. The Fund also is authorized to write put options to
attempt to enhance return, although it does not currently intend to do so.
    
 
The Fund may also use forward currency contracts, futures contracts, options on
securities, options on currencies, options on indices and options on futures
contracts to attempt to hedge against the overall level of investment and
currency risk normally associated with its investments. These instruments are
often referred to as "derivatives," which may be defined as financial
instruments whose performance is derived, at least in part, from the performance
of another asset (such as a security, currency or an index of securities). The
Fund may enter into such instruments up to the full value of its portfolio
assets. See "Options, Futures and Currency Strategies" in the Statement of
Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, the Fund may enter into forward currency contracts for the purchase
or sale of a specified currency at a specified future date. Such contracts may
involve the purchase or sale of a foreign currency against the U.S. dollar or
may involve two foreign currencies. The Fund may enter into forward currency
contracts either with respect to specific transactions or with respect to its
portfolio positions. The Fund also may purchase and sell put and call options on
currencies, futures contracts on currencies and options on such futures
contracts to hedge its portfolio against movements in exchange rates.
 
Only a limited market, if any, currently exists for options and futures
transactions relating to currencies of most emerging markets, to securities
denominated in such currencies or to securities of
 
                               Prospectus Page 9
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
issuers domiciled or principally engaged in business in such emerging markets.
To the extent that such a market does not exist, the Sub-adviser may not be able
to effectively hedge its investment in such markets.
    
 
   
In addition, the Fund may purchase and sell put and call options on equity and
debt securities to hedge against the risk of fluctuations in the prices of
securities held by the Fund or that the Sub-adviser intends to include in the
Fund's portfolio. The Fund also may purchase and sell put and call options on
stock indices to hedge against overall fluctuations in the securities markets or
in a specific market sector.
    
 
Further, the Fund may sell index futures contracts and may purchase put options
or write call options on such futures contracts to protect against a general
market or a specific market sector decline that could adversely affect the
Fund's portfolio. The Fund also may purchase index futures contracts and
purchase call options or write put options on such contracts to hedge against a
general market or market sector advance and thereby attempt to lessen the cost
of future securities acquisitions. Similarly, the Fund may use interest rate
futures contracts and options thereon to hedge the debt portion of its portfolio
against changes in the general level of interest rates.
 
   
INVESTMENT IN OTHER INVESTMENT COMPANIES OR VEHICLES. The Fund may be able to
invest in certain countries solely or primarily through governmentally
authorized investment vehicles or companies, some of which may be investment
vehicles or companies that are advised by the Sub-adviser or its affiliates
("Affiliated Funds"). Pursuant to the Investment Company Act of 1940, as amended
(the "1940 Act"), the Fund generally may invest up to 10% of its total assets in
the aggregate in shares of other investment companies and up to 5% of its total
assets in any one investment company, as long as each investment does not
represent more than 3% of the outstanding voting stock of the acquired
investment company at the time of investment.
    
 
   
Investment in other investment companies may involve the payment of substantial
premiums above the value of their portfolio securities and multiple layering of
fees and expenses and is subject to limitations under the 1940 Act and market
availability. The Fund does not intend to invest in other investment companies
unless, in the judgment of the Sub-adviser, the potential benefits of such
investment justify the payment of any applicable premium or sales charge. As a
shareholder in another investment company, the Fund would bear its ratable share
of that company's expenses, including its advisory and administration fees. At
the same time the Fund would continue to pay its own management fees and other
expenses. The Sub-adviser waives its advisory fee to the extent that the Fund
invests in an Affiliated Fund.
    
 
   
PRIVATIZATIONS. The governments in some emerging markets have been engaged in
programs of selling part or all of their stakes in government owned or
controlled enterprises ("privatizations"). The Sub-adviser believes that
privatizations may offer opportunities for significant capital appreciation and
intends to invest assets of the Fund in privatizations in appropriate
circumstances. In certain emerging markets, the ability of foreign entities such
as the Fund to participate in privatizations may be limited by local law or the
terms on which the Fund may be permitted to participate may be less advantageous
than those afforded local investors. There can be no assurance that governments
in emerging markets will continue to sell companies currently owned or
controlled by them or that privatization programs will be successful.
    
 
   
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES. The Fund may purchase debt
securities on a "when-issued" basis and may purchase or sell such securities on
a "forward commitment" basis in order to hedge against anticipated changes in
interest rates and prices. The price, which is generally expressed in yield
terms, is fixed at the time the commitment is made, but delivery and payment for
the securities take place at a later date. When-issued securities and forward
commitments may be sold prior to the settlement date, but the Fund will purchase
or sell when-issued securities and forward commitments only with the intention
of actually receiving or delivering the securities, as the case may be. No
income accrues on securities that have been purchased pursuant to a forward
commitment or on a when-issued basis prior to delivery to the Fund. If the Fund
disposes of the right to acquire a when-issued security prior to its acquisition
or disposes of its right to deliver or receive against a forward commitment, it
may incur a gain or loss. At the time the Fund enters into a transaction on a
when-issued or forward commitment basis, the Fund will segregate cash or liquid
securities equal to the value of the when-issued or forward commitment
securities with its custodian bank and will mark to market daily such assets.
There is a risk that the securities may not be delivered and that the Fund may
incur a loss.
    
 
                               Prospectus Page 10
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Fund may invest in fixed and floating
rate loans ("Loans") arranged through private negotiations between a foreign
entity and one or more financial institutions ("Lenders"). The majority of the
Fund's investments in Loans in emerging markets is expected to be in the form of
participations in Loans ("Participations") and assignments of portions of Loans
from third parties ("Assignments"). Participations typically will result in the
Fund having a contractual relationship only with the Lender, not with the
borrower. The Fund will have the right to receive payments of principal,
interest and any fees to which it is entitled only from the Lender selling the
Participation and only upon receipt by the Lender of the payments from the
borrower. In connection with purchasing Participations, the Fund generally will
have no right to enforce compliance by the borrower with the terms of the loan
agreement relating to the loan nor any rights of set-off against the borrower,
and the Fund may not directly benefit from any collateral supporting the Loan in
which it has purchased the Participation. As a result, the Fund will assume the
credit risk of both the borrower and the Lender that is selling the
Participation.
 
   
In the event of the insolvency of the Lender selling a Participation, the Fund
may be treated as a general creditor of the Lender and may not benefit from any
set-off between the Lender and the borrower. The Fund will acquire
Participations only if the Lender interpositioned between the Fund and the
borrower is determined by the Sub-adviser to be creditworthy. When the Fund
purchases Assignments from Lenders, the Fund will acquire direct rights against
the borrower on the Loan. However, because Assignments are arranged through
private negotiations between potential assignees and assignors, the rights and
obligations acquired by the Fund as the purchaser of an Assignment may differ
from, and be more limited than, those held by the assigning Lender.
    
 
ZERO COUPON SECURITIES. The Fund may invest in certain zero coupon securities
that are "stripped" U.S. Treasury notes and bonds. The Fund also may invest in
zero coupon and other deep discount securities issued by foreign governments and
domestic and foreign corporations, including certain Brady Bonds and other
foreign debt, and in payment-in-kind securities. Zero coupon securities pay no
interest to holders prior to maturity, and payment-in-kind securities pay
"interest" in the form of additional securities. However, a portion of the
original issue discount on zero coupon securities and the interest on
payment-in-kind securities will be included in the Fund's income. Accordingly,
for the Fund to continue to qualify for tax treatment as a regulated investment
company and to avoid a certain excise tax (see "Taxes" in the Statement of
Additional Information), it may be required to distribute an amount that is
greater than the total amount of cash it actually receives. These distributions
may be made from the Fund's cash assets or, if necessary, from the proceeds of
sales of portfolio securities. The Fund will not be able to purchase additional
income-producing securities with cash used to make such distributions, and its
current income ultimately may be reduced as a result. Zero coupon and
payment-in-kind securities usually trade at a deep discount from their face or
par value and will be subject to greater fluctuations of market value in
response to changing interest rates than debt obligations of comparable
maturities that make current distributions of interest in cash.
 
INDEXED COMMERCIAL PAPER. The Fund may invest without limitation in commercial
paper that is indexed to certain specific foreign currency exchange rates. The
terms of such commercial paper provide that its principal amount is adjusted
upwards or downwards (but not below zero) at maturity to reflect changes in the
exchange rate between two currencies while the obligation is outstanding. The
Fund will purchase such commercial paper with the currency in which it is
denominated and, at maturity, will receive interest and principal payments
thereon in that currency, but the amount of principal payable by the issuer at
maturity will change in proportion to the change (if any) in the exchange rate
between the two specified currencies between the date the instrument is issued
and the date the instrument matures. While such commercial paper entails the
risk of loss of principal, the potential for realizing gains as a result of
changes in foreign currency exchange rates enables the Fund to hedge against a
decline in the U.S. dollar value of investments denominated in foreign
currencies while seeking to provide an attractive money market rate of return.
The Fund will not purchase such commercial paper for speculation.
 
OTHER INDEXED SECURITIES. The Fund may invest in certain other indexed
securities, which are securities whose prices are indexed to the prices of other
securities, securities indices, currencies, precious metals or other commodities
or other financial indicators. Indexed securities typically, but
 
                               Prospectus Page 11
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
not always, are debt securities or deposits whose value at maturity or coupon
rate is determined by reference to a specific instrument or statistic. The
performance of indexed securities depends to a great extent on the performance
of the security, currency or other instrument to which they are indexed and also
may be influenced by interest rate changes in the United States and abroad. At
the same time, indexed securities are subject to the credit risks associated
with the issuer of the security, and their values may decline substantially if
the issuer's creditworthiness deteriorates. Indexed securities may be more
volatile than the underlying instruments. New forms of indexed securities
continue to be developed. The Fund may invest in such securities to the extent
consistent with its investment objectives.
 
OTHER INFORMATION. The Fund's investment objectives may not be changed without
the approval of a majority of its outstanding voting securities. The "majority
of its outstanding voting securities" means the lesser of (i) 67% of the shares
represented at a meeting at which more than 50% of the outstanding shares are
represented, or (ii) more than 50% of the outstanding shares. In addition, the
Fund has adopted certain investment limitations that also may not be changed
without shareholder approval. A complete description of these limitations is
included in the Statement of Additional Information. Unless specifically noted,
the Fund's investment policies described in this Prospectus and in the Statement
of Additional Information may be changed by the Company's Board of Directors
without shareholder approval. The Fund's policies regarding lending, and the
percentage of Fund assets that may be committed to borrowing, are fundamental
policies and may not be changed without shareholder approval.
 
   
If a percentage restriction on investment or utilization of assets in an
investment policy or restriction is adhered to at the time an investment is
made, a later change in percentage ownership of a security or kind of securities
resulting from changing market values or a similar type of event will not be
considered a violation of the Fund's investment policies or restrictions.
    
 
   
The Fund is authorized to engage in Short Sales, although it currently has no
intention of doing so, and may purchase American Depository Receipts, American
Depository Shares, Global Depository Receipts and European Depository Receipts.
See "Short Sales" and "Depository Receipts," respectively, in the Investment
Objectives and Policies section of the Statement of Additional Information.
    
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that the Fund will achieve its investment
objectives. Investing in the Fund entails a substantial degree of risk and an
investment in the Fund should be considered speculative. Investors are strongly
advised to consider carefully the special risks involved in investing in
emerging markets, which are in addition to the usual risks of investing in
developed markets around the world.
 
The Fund's net asset value will fluctuate, reflecting fluctuations in the market
value of its portfolio positions and its net currency exposure. Equity
securities, particularly common stocks, generally represent the most junior
position in an issuer's capital structure and entitle holders to an interest in
the assets of an issuer, if any, remaining after all more senior claims have
been satisfied. The value of equity securities held by the Fund will fluctuate
in response to general market and economic developments, as well as developments
affecting the particular issuers of such securities. In addition, the value of
debt securities held by the Fund generally will fluctuate with changes in the
perceived credit worthiness of the issuers of such securities and interest
rates.
 
NON-DIVERSIFIED CLASSIFICATION. The Fund is classified under the 1940 Act as a
"non-diversified" fund. As a result, the Fund will be able to invest in a
smaller number of issuers than if it was classified under the 1940 Act as a
"diversified" fund. To the extent that the Fund invests in a smaller number of
issuers, the net asset value of its shares may fluctuate more widely and it may
be subject to greater investment and credit risk with respect to its portfolio.
 
                               Prospectus Page 12
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally will not be registered with, nor the
issuers thereof be subject to, the reporting requirements of, the SEC.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available about domestic securities and issuers.
Foreign companies generally are not subject to uniform accounting, auditing and
financial reporting standards, practices and requirements comparable to those
applicable to domestic companies. In addition, certain costs attributable to
foreign investing, such as custody charges, are higher than those attributable
to domestic investing. Securities of some foreign companies are less liquid and
their prices may be more volatile than securities of comparable domestic
companies. The Fund's net investment income from foreign issuers may be subject
to non-U.S. withholding taxes, thereby reducing that income.
 
Investing in some foreign countries involves risks relating to potential
political and economic instability within such countries and the risks of
expropriation, nationalization, confiscation of assets and property or the
imposition of restrictions on foreign investment and on repatriation of capital
invested. In the event of such expropriation, nationalization or other
confiscation, the Fund could lose its entire investment in that market.
Moreover, individual foreign economies may differ favorably or unfavorably from
the U.S. economy in such respects as growth of gross national product, rate of
inflation, rate of savings and capital reinvestment, currency depreciation,
resource self-sufficiency and balance of payments positions. Investments in
foreign government securities involve special risks, including the risk that the
government issuers may be unable or unwilling to repay principal or interest
when due.
 
The Fund will also be affected favorably or unfavorably by exchange control
regulations or changes in the exchange rates between such currencies and the
U.S. dollar. Changes in currency exchange rates will affect the net asset value
of the Fund's shares and also may affect the value of dividends and interest
earned by the Fund and gains and losses realized by it.
 
INVESTING IN EMERGING MARKETS. Emerging markets generally are dependent heavily
upon international trade and, accordingly, have been and may continue to be
affected adversely by trade barriers, exchange controls, managed adjustments in
relative currency values and other protectionist measures imposed or negotiated
by the countries with which they trade. Inflation and rapid fluctuations in
inflation rates have had and may continue to have negative effects on the
economies and securities markets of certain countries with emerging markets.
 
Disclosure and regulatory standards in many respects are less stringent than in
the United States and other major markets. There also may be a lower level of
monitoring and regulation of emerging markets and the activities of investors in
such markets, and enforcement of existing regulations has been extremely
limited.
 
In addition, brokerage commissions, custodial services and other costs relating
to investment in foreign markets generally are more expensive than in the United
States, particularly with respect to emerging markets. Such markets have
different settlement and clearance procedures. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the Fund to make intended securities purchases due to settlement
problems could cause it to miss attractive investment opportunities. Inability
to dispose of a portfolio security caused by settlement problems could result
either in losses to the Fund due to subsequent declines in value of the
portfolio security or, if the Fund has entered into a contract to sell the
security, could result in possible liability to the purchaser.
 
   
The securities markets of emerging countries are substantially smaller, less
developed, less liquid and more volatile than the securities markets of the
developed countries. The risk also exists that an emergency situation may arise
in one or more emerging markets as a result of which trading of securities may
cease or may be substantially curtailed and prices for the Fund's portfolio
securities in such markets may not be readily available. Section 22(e) of the
1940 Act permits a registered investment company, such as the Fund, to suspend
redemption of its shares for any period during which an emergency exists, as
determined by the SEC. Accordingly, when the Fund believes that circumstances
dictate, it will promptly apply to the SEC for a determination that such an
emergency exists. During the period commencing with the Fund's identification of
such conditions until the date of any SEC action, the Fund's portfolio
securities in the affected markets will be valued at fair value determined in
good faith by or under the direction of the Company's Board of Trustees.
    
 
RISKS ASSOCIATED WITH DEBT SECURITIES. The value of the debt securities held by
the Fund generally
 
                               Prospectus Page 13
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
will vary inversely with market interest rates. If interest rates in a market
fall, the Fund's debt securities issued by governments or companies in that
market ordinarily will increase in value. If market interest rates increase,
however, the debt securities owned by the Fund in that market will likely
decrease in value.
 
RISKS ASSOCIATED WITH BELOW INVESTMENT GRADE DEBT SECURITIES. The Fund may
invest up to 50% of its total assets in debt securities rated below investment
grade. Such investments involve a high degree of risk.
 
Debt rated Baa by Moody's Investors Service, Inc. ("Moody's") is considered by
Moody's to have speculative characteristics. Debt rated BB, B, CCC, CC or C by
Standard & Poor's, a division of The McGraw-Hill Companies, Inc. ("S&P"), and
debt rated Ba, B, Caa, Ca or C by Moody's is regarded, on balance, as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligation. While such
lower quality debt will likely have some quality and protective characteristics,
these are outweighed by large uncertainties or major risk exposures to adverse
conditions. Debt rated C by Moody's or S&P is the lowest rated debt that is not
in default as to principal or interest, and issues so rated can be regarded as
having extremely poor prospects of ever attaining any real investment standing.
Lower quality debt securities are also generally considered to be subject to
greater risk than securities with higher ratings with regard to a deterioration
of general economic conditions. These foreign debt securities are the equivalent
of high yield, high risk bonds, commonly known as "junk bonds."
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit ratings in response to subsequent events, so that an issuer's
current financial condition may be better or worse than a rating indicates.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. Issuers of lower quality securities are often highly
leveraged and may not have available to them more traditional methods of
financing. For example, during an economic downturn or a sustained period of
rising interest rates, highly leveraged issuers of lower quality securities may
experience financial stress. During such periods, such issuers may not have
sufficient revenues to meet their interest payment obligations. The issuer's
ability to service its debt obligations may also be adversely affected by
specific developments affecting it, such as its inability to meet specific
projected business forecasts or the unavailability of additional financing.
Similarly, certain emerging market governments that issue lower quality debt
securities are among the largest debtors to commercial banks, foreign
governments and supranational organizations such as the World Bank and may not
be able or willing to make principal and/or interest repayments as they come
due. The risk of loss due to default by the issuer is significantly greater for
the holders of lower quality securities because such securities are generally
unsecured and may be subordinated to the claims of other creditors of the
issuer.
 
Lower quality debt securities frequently have call or buy-back features that
would permit an issuer to call or repurchase the security from the Fund. In
addition, the Fund may have difficulty disposing of lower quality securities
because they may have a thin trading market. There may be no established retail
secondary market for many of these securities, and the Fund anticipates that
such securities could be sold only to a limited number of dealers or
institutional investors. The lack of a liquid secondary market also may have an
adverse impact on market prices of such instruments and may make it more
difficult for the Fund to obtain accurate market quotations for purposes of
valuing its portfolio. The Fund may also acquire lower quality debt securities
during an initial underwriting or that are sold without registration under
applicable securities laws. Such securities involve special considerations and
risks.
 
In addition to the foregoing, factors that could have an adverse effect on the
market value of lower quality debt securities in which the Fund may invest
include (1) potential adverse publicity, (2) heightened sensitivity to general
economic or political conditions and (3) the likely adverse impact of a major
economic recession.
 
The Fund may also incur additional expenses to the extent it is required to seek
recovery upon a default in the payment of principal or interest on its portfolio
holdings, and the Fund may have limited legal recourse in the event of a
default. Debt securities
 
                               Prospectus Page 14
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
issued by governments in emerging markets can differ from debt obligations
issued by private entities in that remedies from defaults generally must be
pursued in the courts of the defaulting government, and legal recourse is
therefore somewhat diminished. Political conditions, in terms of a government's
willingness to meet the terms of its debt obligations, also are of considerable
significance. There can be no assurance that the holders of commercial bank debt
may not contest payments to the holders of debt securities issued by governments
in emerging markets in the event of default by the governments under commercial
bank loan agreements.
 
   
ILLIQUID SECURITIES. The Fund may invest up to 15% of its net assets in
securities for which no readily available market exists, so-called "illiquid
securities." Illiquid securities may be more difficult to value than liquid
securities, and the sale of illiquid securities generally will require more time
and result in higher brokerage charges or dealer discounts and other selling
expenses than the sale of liquid securities. Moreover, illiquid securities often
sell at a price lower than similar securities that are liquid.
    
 
CURRENCY RISK. Because the Fund may invest substantially in securities
denominated in currencies other than the U.S. dollar, and since the Fund may
hold foreign currencies, it will be affected favorably or unfavorably by
exchange control regulations or changes in the exchange rates between such
currencies and the U.S. dollar. Changes in currency exchange rates will affect
the net asset value of the Fund's shares and also may affect the value of
dividends and interest earned by the Fund and gains and losses realized by it.
Currencies generally are evaluated on the basis of fundamental economic criteria
(e.g., relative inflation and interest rate levels and trends, growth rate
forecasts, balance of payments status and economic policies) as well as
technical and political data. Exchange rates are determined by the forces of
supply and demand in the foreign exchange markets. These forces are affected by
the international balance of payments and other economic and financial
conditions, government intervention, speculation and other factors. If the
currency in which a security is denominated appreciates against the U.S. dollar,
the dollar value of the security will increase. Conversely, a decline in the
exchange rate of the currency would adversely affect the value of the security
expressed in dollars.
 
Many of the currencies of emerging market countries have experienced steady
devaluations relative to the U.S. dollar, and major devaluations have
historically occurred in certain countries. Any devaluations in the currencies
in which the Fund's portfolio securities are denominated may have a detrimental
impact on the Fund.
 
Some countries also may have fixed currencies whose values against the U.S.
dollar are not independently determined. In addition, there is a risk that
certain countries may restrict the free conversion of their currencies into
other currencies. Further, certain currencies may not be internationally traded.
 
   
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS. The Fund is authorized to
enter into options, futures and forward currency transactions. These
transactions involve certain risks, which include: (1) dependence on the
Sub-adviser's ability to predict movements in the prices of individual
securities, fluctuations in the general securities markets and movements in
interest rates and currency markets; (2) imperfect correlation, or even no
correlation, between movements in the price of forward contracts, options,
futures contracts or options thereon and movements in the price of the currency
or security hedged or used for cover; (3) the fact that skills and techniques
needed to trade options, futures contracts and options thereon or to use forward
currency contracts are different from those needed to select the securities in
which the Fund invests; (4) lack of assurance that a liquid secondary market
will exist for any particular option, futures contract or option thereon at any
particular time; (5) the possible loss of principal under certain conditions;
and (6) the possible inability of the Fund to purchase or sell a portfolio
security at a time when it would otherwise be favorable for it to do so, or the
possible need for the Fund to sell a security at a disadvantageous time, due to
the need for the Fund to maintain "cover" or to set aside securities in
connection with hedging transactions.
    
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Fund may have difficulty disposing of
Assignments and Participations. The liquidity of such securities is limited, and
the Fund anticipates that such securities could be sold only to a limited number
of institutional investors. The lack of a liquid secondary market could have an
adverse impact on the value of such securities and on the Fund's ability to
dispose of particular Assignments or Participations when necessary to meet its
liquidity needs or in response to a specific economic event, such as a
deterioration in the creditworthiness of the borrower. The lack of a liquid
secondary market for Assignments and Participations also may make it more
difficult for the Fund to assign a value to those securities
 
                               Prospectus Page 15
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
for purposes of valuing its portfolio and calculating its net asset value.
 
SOVEREIGN DEBT. The Fund may invest in sovereign debt securities of emerging
market governments, including Brady Bonds. Investments in such securities
involve special risks. The issuer of the debt or the governmental authorities
that control the repayment of the debt may be unable or unwilling to repay
principal or interest when due in accordance with the terms of such debt.
Periods of economic uncertainty may result in the volatility of market prices of
sovereign debt obligations and in turn the Fund's net asset value, to a greater
extent than the volatility inherent in domestic fixed income securities.
 
A sovereign debtor's willingness or ability to repay principal and pay interest
in a timely manner may be affected by, among other factors, its cash flow
situation, the extent of its foreign reserves, the availability of sufficient
foreign exchange on the date a payment is due, the relative size of the debt
service burden to the economy as a whole, the sovereign debtor's policy toward
principal international lenders and the political constraints to which a
sovereign debtor may be subject. Emerging market governments could default on
their sovereign debt. Such sovereign debtors also may be dependent on expected
disbursements from foreign governments, multilateral agencies and other entities
abroad to reduce principal and interest arrearages on their debt. The commitment
on the part of these governments, agencies and others to make such disbursements
may be conditioned on a sovereign debtor's implementation of economic reforms
and/or economic performance and the timely service of such debtor's obligations.
Failure to implement such reforms, achieve such levels of economic performance
or repay principal or interest when due may result in the cancellation of such
third parties' commitments to lend funds to the sovereign debtor, which may
further impair such debtor's ability or willingness to timely service its debts.
 
   
The occurrence of political, social or diplomatic changes in one or more of the
countries issuing sovereign debt could adversely affect the Fund's investments.
Emerging markets are faced with social and political issues, and some of them
have experienced high rates of inflation in recent years and have extensive
internal debt. Among other effects, high inflation and internal debt service
requirements may adversely affect the cost and availability of future domestic
sovereign borrowing to finance governmental programs and may have other adverse
social, political and economic consequences. Political changes or a
deterioration of a country's domestic economy or balance of trade may affect its
willingness to service its sovereign debt. Although the Sub-adviser intends to
manage the Fund in a manner that will minimize the exposure to such risks, there
can be no assurance that adverse political changes will not cause the Fund to
suffer a loss of interest or principal on any of its holdings.
    
 
In recent years, some of the emerging market countries in which the Fund expect
to invest have encountered difficulties in servicing their sovereign debt
obligations. Some of these countries have withheld payments of interest and/or
principal of sovereign debt. These difficulties have also led to agreements to
restructure external debt obligations -- in particular, commercial bank loans --
typically by rescheduling principal payments, reducing interest rates and
extending new credits to finance interest payments on existing debt. In the
future, holders of emerging market sovereign debt securities may be requested to
participate in similar rescheduling of such debt. Certain emerging market
countries are among the largest debtors to commercial banks and foreign
governments. Currently, Brazil, Mexico and Argentina are the largest debtors
among developing countries. At times certain emerging market countries have
declared moratoria on the payment of principal and interest on external debt;
such a moratorium is currently in effect in certain emerging market countries.
There is no bankruptcy proceeding by which a creditor may collect in whole or in
part sovereign debt on which an emerging market government has defaulted.
 
The ability of emerging market governments to make timely payments on their
sovereign debt securities is likely to be influenced strongly by a country's
balance of trade and its access to trade and other international credits. A
country whose exports are concentrated in a few commodities could be vulnerable
to a decline in the international prices of one or more of such commodities.
Increased protectionism on the part of a country's trading partners could also
adversely affect its exports. Such events could diminish a country's trade
account surplus, if any. To the extent that a country receives payment for its
exports in currencies other than hard currencies, its ability to make hard
currency payments could be affected.
 
As noted above, sovereign debt obligations issued by emerging market governments
generally are deemed to be the equivalent in terms of quality to securities
rated below investment grade by Moody's and S&P. Such securities are regarded as
 
                               Prospectus Page 16
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligations and involve
major risk exposure to adverse conditions. Some of such securities, with respect
to which the issuer currently may not be paying interest or may be in payment
default, may be comparable to securities rated D by S&P or C by Moody's. The
Fund may have difficulty disposing of and valuing certain sovereign debt
obligations because there may be a limited trading market for such securities.
Because there is no liquid secondary market for many of these securities, the
Fund anticipates that such securities could be sold only to a limited number of
dealers or institutional investors.
 
- --------------------------------------------------------------------------------
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
   
GENERAL. Advisor Class shares are offered through this Prospectus to [(a)
trustees or other fiduciaries purchasing shares for employee benefit plans that
are sponsored by organizations that have at least 1,000 employees; (b) any
account with assets of at least $10,000 if (i) a financial planner, trust
company, bank trust department or registered investment adviser has investment
discretion over such account, and (ii) the account holder pays such person as
compensation for its advice and other services an annual fee of at least .50% on
the assets in the account ("Advisory Account"); (c) any account with assets of
at least $10,000 if (i) such account is established under a "wrap fee" program,
and (ii) the account holder pays the sponsor of such program an annual fee of at
least .50% on the assets in the account ("Wrap Fee Account"); (d) accounts
advised by one of the companies composing or affiliated with AMVESCAP PLC; and
(e) any of the companies composing or affiliated with AMVESCAP PLC]. Financial
planners, trust companies, bank trust companies and registered investment
advisers referenced in subpart (b) and sponsors of "wrap fee" programs
referenced in subpart (c) are collectively referred to as "Financial Advisers."
Investors in Wrap Fee Accounts and Advisory Accounts may only purchase Advisor
Class shares through Financial Advisers who have entered into agreements with
AIM Distributors and certain of its affiliates. Investors may be charged a fee
by their agents or brokers if they effect transactions other than through a
dealer.
    
 
   
All purchase orders will be executed at the public offering price next
determined after the purchase order is received. Orders received by authorized
institutions (or their designees) before the close of regular trading on the
NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing time) on any Business Day will be
executed at the public offering price for the applicable class of shares
determined that day. Orders received by authorized institutions (or their
designees) before the close of regular trading on the NYSE on a Business Day
will be deemed to have been received by the Fund on such day and will be
effected that day, provided that such orders are transmitted to the Transfer
Agent prior to the time set for the receipt of such orders. A "Business Day" is
any day Monday through Friday on which the NYSE is open for business. The
authorized institution (or its designee) will be responsible for forwarding the
investor's order to the Transfer Agent so that it will be received prior to the
required time.
    
 
   
THE FUND AND AIM DISTRIBUTORS RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER AND
TO SUSPEND THE OFFERING OF SHARES FOR A PERIOD OF TIME. In particular, the Fund
and AIM Distributors may reject purchase orders or exchanges by investors who
appear to follow, in the Sub-adviser's judgment, a market-timing strategy or
otherwise engage in excessive trading. See "How to Make Exchanges -- Limitations
on Purchase Orders and Exchanges."
    
 
   
Fiduciaries and Financial Advisers may be required to provide information
satisfactory to AIM Distributors concerning their eligibility to purchase
Advisor Class shares. For specific information on opening an account, please
contact your Financial Adviser or AIM Distributors.
    
 
   
PURCHASE BY BANK WIRE. Shares of the Fund may also be purchased by bank wire.
Bank wire purchases will be effected at the next determined public offering
price after the bank wire is received. A wire investment is considered received
when the Transfer Agent is notified that the bank wire has been credited to the
Fund. Prior telephonic or facsimile notice that a bank wire is being sent
    
 
                               Prospectus Page 17
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
must be provided to the Transfer Agent. A bank may charge a service fee for
wiring money to the Fund. The Transfer Agent currently does not charge a service
fee for facilitating wire purchases, but reserves the right to do so in the
future. For more information, please refer to the Shareholder Account Manual in
this Prospectus.
 
   
CERTIFICATES. Physical certificates representing the Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of
the Fund are recorded on a register by the Transfer Agent, and shareholders who
do not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
of properly executed certificates is required. ACCORDINGLY, THE FUND RECOMMENDS
THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
    
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholders' Personal Portfolio for
shares of the same class of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program nor
does it prevent or lessen losses in a declining market.
   
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Certain Financial Institutions
may charge a fee for establishing accounts relating to the Program. Investors
should contact their Financial Institution or AIM Distributors for more
information.
    
 
                               Prospectus Page 18
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
                             HOW TO MAKE EXCHANGES
    
 
- --------------------------------------------------------------------------------
 
   
Advisor Class shares of the Fund may be exchanged for Advisor Class shares of
any other GT Global Mutual Fund, based on their respective net asset values
without imposition of any sales charges, provided that the registration remains
identical.
    
 
   
EXCHANGES ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER REALIZING A GAIN OR
LOSS, AS THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." The GT Global Mutual Funds include
the following:
    
 
   
  - GT GLOBAL AMERICA SMALL CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA MID CAP GROWTH FUND
    
   
  - GT GLOBAL AMERICA VALUE FUND
    
   
  - GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
    
   
  - GT GLOBAL DEVELOPING MARKETS FUND
    
   
  - GT GLOBAL DOLLAR FUND
    
   
  - GT GLOBAL EMERGING MARKETS FUND
    
   
  - GT GLOBAL EUROPE GROWTH FUND
    
   
  - GT GLOBAL FINANCIAL SERVICES FUND
    
   
  - GT GLOBAL GOVERNMENT INCOME FUND
    
   
  - GT GLOBAL GROWTH & INCOME FUND
    
   
  - GT GLOBAL HEALTH CARE FUND
    
   
  - GT GLOBAL HIGH INCOME FUND
    
   
  - GT GLOBAL INFRASTRUCTURE FUND
    
   
  - GT GLOBAL INTERNATIONAL GROWTH FUND
    
   
  - GT GLOBAL JAPAN GROWTH FUND
    
   
  - GT GLOBAL LATIN AMERICA GROWTH FUND
    
   
  - GT GLOBAL NATURAL RESOURCES FUND
    
   
  - GT GLOBAL NEW DIMENSION FUND
    
   
  - GT GLOBAL NEW PACIFIC GROWTH FUND
    
   
  - GT GLOBAL STRATEGIC INCOME FUND
    
   
  - GT GLOBAL TELECOMMUNICATIONS FUND
    
   
  - GT GLOBAL WORLDWIDE GROWTH FUND
    
 
   
Exchange requests received in good order by the Transfer Agent before the close
of regular trading on the NYSE on any Business Day will be processed at the net
asset value calculated on that day. The terms of the exchange offer may be
modified at any time, on 60 days' prior written notice.
    
 
   
Investors in Wrap Fee Accounts and Advisory Accounts interested in making an
exchange should contact their Financial Advisers to request the prospectuses of
the other GT Global Mutual Fund(s) being considered. Other investors should
contact AIM Distributors.
    
 
   
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to the
shareholder's Financial Adviser. Exchange orders will be accepted by telephone
provided that the exchange involves only uncertificated shares on deposit in the
shareholder's account or for which certificates previously have been deposited.
    
 
   
Shareholders automatically have telephone privileges to authorize exchanges. The
Fund, AIM Distributors and the Transfer Agent will not be liable for any loss or
damage for acting in good faith upon instructions received by telephone and
reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
   
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and AIM Distributors reserve the right to
refuse purchase orders and exchanges by any person or group, if, in the
Sub-adviser's judgment, such person or group was following a market-timing
strategy or was otherwise engaging in excessive trading.
    
 
   
In addition, each GT Global Mutual Fund and AIM Distributors reserve the right
to refuse purchase orders and exchanges by any person or group if, in the
Sub-adviser's judgment, the Fund would not be able to invest the money
effectively in accordance with that Fund's investment objective and policies or
would otherwise potentially be adversely affected. Although a GT Global Mutual
Fund will attempt to give investors prior notice whenever it is reasonably able
to do so, it may impose the above restrictions at any time.
    
 
   
Finally, as described above, each GT Global Mutual Fund and AIM Distributors
reserve the right to reject any purchase order.
    
 
                               Prospectus Page 19
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
Fund shares may be redeemed at their net asset value and redemption proceeds
will be sent within seven days of the execution of a redemption request.
 
   
Redemption requests may be transmitted to the Transfer Agent by telephone or by
mail, in accordance with the instructions provided in the Shareholder Account
Manual. Redemptions will be effected at the net asset value next determined
after the Transfer Agent has received the request, provided that the request is
transmitted to the Transfer Agent prior to the time set for receipt of such
redemption requests. Redemptions will only be effected if the request is
received in good order and accompanied by any required supporting documentation.
Redemption requests will not require a signature guarantee if the redemption
proceeds are to be sent either: (i) to the redeeming shareholder at the
shareholder's address of record as maintained by the Transfer Agent, provided
the shareholder's address of record has not been changed within the preceding
fifteen days; or (ii) directly to a pre-designated bank, savings and loan or
credit union account ("Pre-Designated Account"). ALL OTHER REDEMPTION REQUESTS
MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE REDEEMING SHAREHOLDER'S
SIGNATURE. A signature guarantee can be obtained from any bank, U.S. trust
company, a member firm of a U.S. stock exchange or a foreign branch of any of
the foregoing or other eligible guarantor institutions. A notary public is not
an acceptable guarantor.
    
 
Shareholders with Pre-Designated Accounts should request that redemption
proceeds be sent either by bank wire or by check. The minimum redemption amount
for a bank wire is $500. Shareholders requesting a bank wire should allow two
business days from the time the redemption request is effected for the proceeds
to be deposited in the shareholder's Pre-Designated Account. See "How to Redeem
Shares -- Other Important Redemption Information." Shareholders may change their
Pre-Designated Accounts only by a letter of instruction to the Transfer Agent
containing all account signatures, each of which must be guaranteed. The
Transfer Agent currently does not charge a bank wire service fee for each wire
redemption sent but reserves the right to do so in the future. The shareholder's
bank may charge a bank wire service fee.
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
   
Shareholders automatically have telephone privileges to authorize redemptions.
The Fund, AIM Distributors and the Transfer Agent shall not be liable for any
loss or damage for acting in good faith upon instructions received by telephone
and reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
    
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
   
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in a Wrap Fee Account or Advisory Account who is in doubt
as to what documents are required should contact his Financial Adviser or the
Transfer Agent.
    
 
                               Prospectus Page 20
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
Except in extraordinary circumstances and as permitted under the Investment
Company Act of 1940 ("1940 Act"), payment for shares redeemed by telephone or in
writing will be made promptly after receipt of a redemption request, if in good
order, but not later than seven days after the date the request is executed.
Requests for redemption which are subject to any special conditions or which
specify a future or past effective date cannot be accepted.
    
 
If the Transfer Agent is requested to redeem shares for which the Fund has not
yet received good payment, the Fund may delay payment of redemption proceeds
until the Transfer Agent has assured itself that good payment has been collected
for the purchase of the shares. In the case of purchases by check it can take up
to 10 business days to confirm that the check has cleared and good payment has
been received. Redemption proceeds will not be delayed when shares have been
paid for by wire or when the investor's account holds a sufficient number of
shares for which funds already have been collected.
 
   
AIM Distributors reserves the right to redeem the shares of any Advisory Account
or Wrap Fee Account if the amount invested in GT Global Mutual Funds through
such account is reduced to less than $500 through redemptions or other action by
the shareholder. Written notice will be given to the shareholder at least 60
days prior to the date fixed for such redemption, during which time the
shareholder may increase the amount invested in GT Global Mutual Funds through
such account to an aggregate amount of $500 or more.
    
 
For more information on how to redeem Fund shares, see the Shareholder Account
Manual in this Prospectus, or contact your Financial Adviser.
 
                               Prospectus Page 21
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
Purchase, exchange and redemption orders should be placed in accordance with
this Manual. It is recommended that investors in Wrap Fee Accounts and Advisory
Accounts make such orders through their Financial Adviser. INVESTORS SHOULD
REFERENCE "ADVISOR CLASS" IN ALL INSTRUCTIONS PROVIDED. See "How to Invest,"
"How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
 
The Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
 
Send completed Account Application (if initial purchase) or letter stating Fund
name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
 
A new account may be opened by calling 1-800-223-2138 to obtain an account
number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION CONTAINING
THE INVESTOR'S CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT TO GT
GLOBAL AT THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire
instructions must state Fund name, class of shares, shareholder's registered
name and account number. Bank wires should be sent through the Federal Reserve
Bank Wire System to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn: GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
 
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
 
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
 
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
 
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
 
Shareholders with additional questions regarding purchase, exchange and
redemption procedures may call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 23
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
The Fund calculates its net asset value as of the close of regular trading on
the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment failure or
other factors contribute to an earlier closing time) each Business Day. The
Fund's net asset value per share is computed by determining the value of its
total assets (the securities it holds plus any cash or other assets, including
dividends and interest accrued but not yet received), subtracting all of its
liabilities (including accrued expenses), and dividing the result by the total
number of shares outstanding. Net asset value is determined separately for each
class of the Fund's shares.
 
   
Equity securities are valued at the last sale price on the exchange or in the
over-the-counter market in which the securities are primarily traded, as of the
close of business on the day the securities are being valued or, lacking any
sales, at the last available bid price. Long-term obligations are valued at the
mean of representative quoted bid and asked prices for the securities or, if
such prices are not available, at prices for securities of comparable maturity,
quality and type; however, when the Sub-adviser deems it appropriate, prices
obtained from a bond pricing service will be used. Short-term debt investments
are amortized to maturity based on their cost, adjusted for foreign exchange
translation and market fluctuations, provided such valuations represent fair
value. When market quotations for futures and options positions held by the Fund
are readily available, those positions are valued based upon such quotations.
    
 
   
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's Board of Trustees. Securities and other assets quoted
in foreign currencies are valued in U.S. dollars based on the prevailing
exchange rates on that day.
    
 
The Fund's portfolio securities, from time to time, may be listed primarily on
foreign exchanges or over-the-counter dealer markets that trade on days when the
NYSE is closed (such as a Saturday). As a result, the net asset value of the
Fund may be significantly affected by such trading on days when shareholders
cannot purchase or redeem shares of the Fund.
 
- --------------------------------------------------------------------------------
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. The Fund annually declares and pays as a
dividend all of its net investment income, if any, which includes dividends,
accrued interest and earned discount (including both original issue and market
discounts) less applicable expenses. The Fund also annually distributes
substantially all of its realized net capital gains and net gains from foreign
currency transactions, if any. The Fund may make an additional dividend or other
distribution each year if necessary to avoid a 4% excise tax on certain
undistributed income and gain.
 
Dividends and other distributions paid by the Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Advisor Class shares will be higher than the per share
income dividends on other classes of the Fund's shares as a result of the
service and distribution fees applicable to those other shares. SHAREHOLDERS MAY
ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Advisor Class shares of the Fund (or other GT Global Mutual
    Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Advisor Class shares of the Fund (or other GT
    Global Mutual Funds); or
 
                               Prospectus Page 24
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Advisor Class shares of the Fund (or other GT
    Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional Advisor Class shares are made at net asset
value without imposition of a sales charge. IF NO ELECTION IS MADE BY A
SHAREHOLDER, ALL DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY
REINVESTED IN ADDITIONAL ADVISOR CLASS SHARES OF THE FUND. Reinvestments in
another GT Global Mutual Fund may only be directed to an account with the
identical shareholder registration and account number. These elections may be
changed by a shareholder at any time; to be effective with respect to a
distribution, the shareholder or the shareholder's broker must contact the
Transfer Agent by mail or telephone at least 15 Business Days prior to the
payment date. THE FEDERAL INCOME TAX CONSEQUENCES OF DIVIDENDS AND OTHER
DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE RECEIVED IN CASH OR REINVESTED IN
ADDITIONAL SHARES.
 
Any dividend or other distribution paid by the Fund has the effect of reducing
the net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. The Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that the Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders.
 
Dividends from the Fund's investment company taxable income (whether paid in
cash or reinvested in additional shares) are taxable to its shareholders as
ordinary income to the extent of its earnings and profits. Distributions of the
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate taxpayer's net capital gain depending on the taxpayer's holding
period and marginal rate of federal income tax -- generally, 28% for gain
recognized on securities held for more than one year but not more than 18 months
and 20% (10% for taxpayers in the 15% marginal tax bracket) for gain recognized
on securities held for more than 18 months. Pursuant to an Internal Revenue
Service notice, the Fund may divide each net capital gain distribution into a
28% rate gain distribution and a 20% rate gain distribution (in accordance with
the Fund's holding periods for the securities it sold that generated the
distributed gain) and its shareholders must treat those portions accordingly.
 
The Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
The Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with the
Fund.
 
                               Prospectus Page 25
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
A redemption of the Fund shares may result in taxable gain or loss to the
redeeming shareholder, depending upon whether the redemption proceeds are more
or less than the shareholder's adjusted basis for the redeemed shares. An
exchange of Fund shares for shares of another GT Global Mutual Fund generally
will have similar tax consequences. In addition, if Fund shares are purchased
within 30 days before or after redeeming other Fund shares (regardless of class)
at a loss, all or a part of the loss will not be deductible and instead will
increase the basis of the newly purchased shares.
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting the Fund and its shareholders. See "Taxes" in
the Statement of Additional Information for a further discussion. There may be
other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors therefore are urged to consult their
tax advisers.
 
- --------------------------------------------------------------------------------
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
   
The Company's Board of Trustees has overall responsibility for the operation of
the Fund. The Company's Board of Trustees has approved all significant
agreements between the Company on the one side and persons or companies
furnishing services to the Fund on the other, including the investment advisory
and administrative services agreement with AIM, the investment sub-advisory and
sub-administration agreement with the Sub-adviser, the agreements with AIM
Distributors regarding distribution of the Fund's shares, the agreement with
State Street Bank and Trust Company as the custodian and the transfer agency
agreement with GT Global Investors Services, Inc., an affiliate of the
Sub-adviser. The day-to-day operations of the Fund are delegated to the officers
of the Company, subject always to the objective and policies of the Fund and to
the general supervision of the Company's Board of Trustees. See "Trustees and
Executive Officers" in the Statement of Additional Information for information
on the Trustees.
    
 
   
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by AIM and the
Sub-adviser as the Fund's investment managers and administrators include
determining the composition of the Fund's portfolio and placing orders to buy,
sell or hold particular securities; furnishing corporate officers and clerical
staff; providing office space, services and equipment; and supervising all
matters relating to the Fund's operation. For these services, the Fund pays AIM
investment management and administration fees, computed daily and paid monthly,
based on its average daily net assets, at the annualized rate of .975% on the
first $500 million, .95% on the next $500 million, .925% on the next $500
million and .90% on amounts thereafter. Out of the aggregate fees payable by the
Fund, AIM pays the Sub-adviser sub-advisory and sub-administration fees equal to
40% of the aggregate fees AIM receives from the Fund. The investment management
and administration fees paid by the Fund are higher than those paid by most
mutual funds. AIM has undertaken to limit the Fund's expenses (exclusive of
brokerage commissions, taxes, interest and extraordinary expenses) to the annual
rate of 1.50% of the average daily net assets of the Fund's Advisor Class
shares.
    
 
   
The Sub-adviser also serves as the Fund's pricing and accounting agent. For
these services the Sub-adviser receives a fee at an annual rate derived by
applying 0.03% to the first $5 billion of assets of GT Global Funds and 0.02% to
the assets in excess of $5 billion, and allocating the result according to the
Fund's average daily net assets.
    
 
   
AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment adviser to the Fund pursuant to a master investment advisory
agreement, dated as of               , 1998 (the "Advisory Agreement"). AIM was
organized in 1976 and, together with its subsidiaries, manages or advises [over
50] investment company portfolios encompassing a broad range of investment
objectives. The Sub-adviser, 50 California Street, 27th Floor, San Francisco,
California 94111, and 1166 Avenue of the Americas, New York, New York 10036,
serves as the sub-adviser to the Fund pursuant to an investment sub-advisory
agreement dated as of               , 1998. On May   , 1998, Liechtenstein
Global Trust AG ("GT"), the former indirect parent organization of the Sub-
    
 
                               Prospectus Page 26
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
adviser, consummated a purchase agreement with AMVESCAP PLC pursuant to which
AMVESCAP PLC acquired GT's Asset Management Division, which includes the
Sub-adviser and certain other affiliates. As a result of this transaction, the
Sub-adviser is now an indirect wholly owned subsidiary of AMVESCAP PLC. Prior to
the sale, the Sub-adviser and its worldwide asset management affiliates provided
investment management and/or administrative services to institutional, corporate
and individual clients around the world since 1969.
    
 
   
AIM and the Sub-adviser and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-adviser are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
    
 
   
In addition to the investment resources of their Houston, San Francisco and New
York offices, AIM and the Sub-adviser draw upon the expertise, personnel, data
and systems of other offices, including investment offices in Atlanta, Boston,
Dallas, Denver, Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong,
London, Singapore, Sydney, Tokyo and Toronto. In managing the GT Global Mutual
Funds, the Sub-adviser employs a team approach, taking advantage of its
investment resources around the world in seeking the Fund's investment
objective.
    
 
                               Prospectus Page 27
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
The investment professionals primarily responsible for the portfolio management
of the Fund are as follows:
 
   
<TABLE>
<CAPTION>
                                 RESPONSIBILITIES                             BUSINESS EXPERIENCE
       NAME/OFFICE                 FOR THE FUND                                 PAST FIVE YEARS
- --------------------------  --------------------------  ---------------------------------------------------------------
<S>                         <C>                         <C>
Allan Conway                Portfolio Manager since     Mr. Conway joined [Chancellor GT Asset Management, Inc.] (the
 London                      1997                        "Sub-adviser") and GT Asset Management PLC (London) ("GT Asset
                                                         Management"), an affiliate of the Sub-adviser, in January 1997
                                                         as Head of Global Emerging Market Equities. Based in London,
                                                         he manages a centralized team of global emerging market fund
                                                         managers. From 1992 to 1997, Mr. Conway was Director of
                                                         International Equities at Hermes Investment Management, and
                                                         from 1982 to 1992 was a Portfolio Manager, and eventually
                                                         overall Head of Overseas Equities, at Provident Mutual.
 
Michael Mabbutt             Portfolio Manager since     Mr. Mabbutt joined the Sub-adviser and [GT Asset Management] in
 London                      1997                        December 1996. He was appointed Head of Global Emerging Market
                                                         Debt for the Sub-adviser and GT Asset Management in April
                                                         1997. Prior to joining the Sub-adviser, he was a Senior
                                                         Portfolio Manager for global fixed income at Baring Asset
                                                         Management in London from 1992 to 1996. At Baring Asset
                                                         Management, he was responsible for creating the emerging
                                                         market debt process as head of the five member Emerging Market
                                                         Fixed Income Strategy Group.
 
Mark Thorogood              Portfolio Manager since     Mr. Thorogood joined the Sub-adviser and LGT Asset Management
 London                      1997                        in May 1997 as a Portfolio Manager. Prior thereto, he worked
                                                         for ING-Barings (Hong Kong) from 1994 to 1997 as a proprietary
                                                         Trader. From 1987 to 1994, Mr. Thorogood was at Provident
                                                         Mutual, first as an Analyst, and then as a Portfolio Manager
                                                         covering the Japanese and Asian Equity Markets.
 
Cheng-Hock Lau              Portfolio Manager since     Mr. Lau has been Chief Investment Officer for Global Fixed
 New York                    1997                        Income for the Sub-adviser since October 1996, and was a
                                                         Senior Portfolio Manager for global/ international fixed
                                                         income for the Sub-adviser from July 1995 to October 1996.
                                                         From               to               , Mr. Lau was employed by
                                                         Chancellor Capital Management, Inc. ("Chancellor Capital"), a
                                                         predecessor of the Sub-adviser. Mr. Lau was a Senior Vice
                                                         President and Senior Portfolio Manager for Fiduciary Trust
                                                         Company International from 1993 to 1995, and Vice President at
                                                         Bankers Trust Company from 1991 to 1993.
</TABLE>
    
 
                               Prospectus Page 28
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
In placing securities orders for the Fund's portfolio transactions, the
Sub-adviser seeks to obtain the best net results. Consistent with its obligation
to obtain the best net results, the Sub-adviser may consider a broker/dealer's
sale of shares of the GT Global Mutual Funds as a factor in considering through
whom portfolio transactions will be effected. Brokerage transactions may be
executed through affiliates of AIM or the Sub-adviser. High portfolio turnover
(over 100%) involves correspondingly greater brokerage commissions and other
transaction costs that the Fund will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
    
 
   
DISTRIBUTION OF FUND SHARES. AIM Distributors is the distributor of the Fund's
Advisor Class shares. AIM Distributors is a wholly owned subsidiary of AIM. The
address of AIM Distributors is P.O. Box 4739, Houston, Texas 77210-4739.
    
 
   
The Sub-adviser or an affiliate thereof may make ongoing payments to Financial
Advisers and others that facilitate the administration and servicing of Advisor
Class shareholder accounts.
    
 
   
The Fund reserves the right to suspend the offering of its shares upon the
advice of the Sub-adviser that doing so is in the best interest of the portfolio
management process.
    
 
   
AIM Distributors, at its own expense, may provide promotional incentives to
brokers that sell shares of the Fund and/or shares of the other GT Global Mutual
Funds. In some instances additional compensation or promotional incentives may
be offered to brokers that have sold or may sell significant amounts of shares
during specified periods of time. Such compensation and incentives may include,
but are not limited to, cash, merchandise, trips and financial assistance to
broker/ dealers in connection with preapproved conferences or seminars, sales or
training programs for invited sales personnel, payment for travel expenses
(including meals and lodging) incurred by sales personnel and members of their
families or other invited guests to various locations for such seminars or
training programs, seminars for the public, advertising and sales campaigns
regarding one or more of the GT Global Mutual Funds, and/ or other events
sponsored by the broker.
    
 
   
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, AIM Distributors
intends to engage banks (if at all) only to perform administrative and
shareholder servicing functions. Banks and broker/dealer affiliates of banks may
also execute dealer agreements with AIM Distributors for the purpose of selling
shares of the Fund. If a bank were prohibited from so acting, its shareholder
clients would be permitted to remain shareholders, and alternative means for
continuing the servicing of such shareholders would be sought. It is not
expected that shareholders would suffer any adverse financial consequences as a
result of any of these occurrences.
    
 
- --------------------------------------------------------------------------------
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in the Fund, the shareholder will receive from
the Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to the Fund's automatic
dividend reinvestment program may be provided quarterly. Shortly after the end
of the Fund's fiscal year on October 31 and fiscal half-year on April 30 of each
year, shareholders receive an annual and semiannual report, respectively. In
addition, the federal income tax status of distributions made by the Fund to
shareholders is reported after the end of each calendar year on Form 1099-DIV.
Under certain circumstances, duplicate mailings of the foregoing reports to the
same household may be consolidated.
 
   
ORGANIZATION OF THE COMPANY. The Company was organized as a Delaware business
trust on May   , 1998. Prior to June 1, 1998, the Company operated under the
name "G.T. Investment Funds, Inc.," a Maryland corporation organized on October
29, 1987. From time to time, the Company has established and may continue to
establish other funds, each corresponding to a distinct investment portfolio and
a distinct series of the
    
 
                               Prospectus Page 29
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
Company's shares. Shares of the Fund are entitled to one vote per share (with
proportional voting for fractional shares) and are freely transferable.
Shareholders have no preemptive or conversion rights.
    
 
   
On any matter submitted to a vote of shareholders, shares of the Fund will be
voted by the Fund's shareholders individually when the matter affects the
specific interest of the Fund only, such as approval of its investment
management arrangements. In addition, shares of a particular class of the Fund
may vote on matters affecting only that Class. The shares of the Fund and the
Company's other funds will be voted in the aggregate on other matters, such as
the election of Trustees and ratification of the selection of the Company's
independent accountants.
    
 
   
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Trustees holding office had been elected by shareholders. Trustees shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of Trustees
can elect all the Trustees. A Trustee may be removed upon a majority vote of the
shareholders qualified to vote in the election. Shareholders holding 10% of the
Company's outstanding voting securities may call a meeting of shareholders for
the purpose of voting upon the question of removal of any Trustee or for any
other purpose. The 1940 Act requires the Company to assist shareholders in
calling such a meeting.
    
 
The Fund offers Advisor Class shares through this prospectus to certain
investors. The Fund also offers Class A shares and Class B shares to investors
through a separate prospectus. Each class of shares will experience different
net asset values and dividends as a result of different expenses borne by each
class of shares. The per share net asset value and dividends of the Advisor
Class shares of the Fund generally will be higher than that of the Class A and B
shares of the Fund because of the higher expenses borne by the Class A and B
shares. The per share dividends on Advisor Class shares of the Fund will
generally be higher than the per share dividends on Class A and B shares of the
Fund as a result of the service and distribution fees applicable with respect to
Class A and B shares. Consequently, during comparable periods, the Fund expects
that the total return on an investment in shares of the Advisor Class will be
higher than the total return on Class A or Class B shares.
 
   
Pursuant to the Company's Declaration of Trust, it may issue an unlimited number
of shares of the Fund. Each share of the Fund represents an interest in the Fund
only, has a par value of $0.01 per share, represents an equal proportionate
interest in the Fund with other shares of the Fund and is entitled to such
dividends and other distributions out of the income earned and gain realized on
the assets belonging to the Fund as may be declared at the discretion of the
Board of Trustees. Each share of the Fund is equal in earnings, assets and
voting privileges, except that each class has exclusive voting rights with
respect to its distribution and bears the expenses, if any, related to the
distribution of its shares. Shares of the Fund, when issued, are fully paid and
nonassessable.
    
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Fund
toll-free at (800) 223-2138 or by writing to the Fund at P.O. Box 7893, San
Francisco, CA 94120-7893.
 
PERFORMANCE INFORMATION. The Fund, from time to time, may include information on
its investment results and/or comparisons of its investment results to various
unmanaged indices or results of other mutual funds or groups of mutual funds in
advertisements, sales literature or reports furnished to present or prospective
shareholders.
 
In such materials, the Fund may quote its average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of the Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of the Fund. Standardized Return
assumes reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Fund's performance or
more accurately compare such performance to other measures of investment return,
the Fund also may include in advertisements, sales literature and shareholder
reports other total return performance data ("Non-Standardized Return").
Non-Standardized return reflects percentage rates of return encompassing all
elements of total return (e.g., income and
 
                               Prospectus Page 30
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
capital appreciation or depreciation); it assumes reinvestment of all dividends
and other distributions. Non-Standardized Return may be quoted for the same or
different periods as those for which Standardized Return is quoted; it may
consist of an aggregate or average annual percentage rate of return, actual
year-by-year rates or any combination thereof. Non-Standardized Return may or
may not take sales charges into account; performance data calculated without
taking the effect of sales charges into account will be higher than data
including the effect of such charges.
 
The Fund's performance data reflects past performance and is not necessarily
indicative of future results. The Fund's investment results will vary from time
to time depending upon market conditions, the composition of its portfolio and
its operating expenses. These factors and possible differences in calculation
methods should be considered when comparing the Fund's investment results with
those published for other investment companies, other investment vehicles and
unmanaged indices. The Fund's results also should be considered relative to the
risks associated with its investment objective and policies. See "Investment
Results" in the Statement of Additional Information.
 
The Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
   
YEAR 2000 COMPLIANCE PROJECT. In providing services to the GT Global Mutual
Funds, AIM, AIM Distributors, the Transfer Agent and the Sub-adviser rely on
internal computer systems as well as external computer systems provided by third
parties. Some of these systems were not originally designed to distinguish
between the year 1900 and the year 2000. This inability, if not corrected, could
adversely affect the services AIM Distributors, the Transfer Agent and the
Sub-adviser and others provide the GT Global Mutual Funds and their
shareholders.
    
 
   
To address this important issue, AIM, AIM Distributors, the Transfer Agent and
the Sub-adviser have undertaken a comprehensive Year 2000 Compliance Project
(the "Project"). The Project consists of four phases: (i) inventorying every
software and hardware system in use at AIM, AIM Distributors, the Transfer Agent
and the Sub-adviser, as well as remote, third-party systems on which AIM, AIM
Distributors, the Transfer Agent and the Sub-adviser rely; (ii) identifying
those systems that may not function properly after December 31, 1999; (iii)
correcting or replacing those systems that have been so identified; and (iv)
testing the processing of GT Global Mutual Fund data in all systems. Phase (i)
has been completed; phase (ii) is substantially completed; phase (iii) has
commenced; and phase (iv) is expected to commence during the third quarter of
1998. The Project is scheduled to be completed by December 31, 1998. Following
completion of the Project, AIM, AIM Distributors and the Sub-adviser will ensure
that any systems subsequently acquired are year 2000 compliant.
    
 
   
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Fund are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Sub-adviser and AIM and maintains its
offices at California Plaza, 2121 North California Boulevard, Suite 450, Walnut
Creek, CA 94596.
    
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110 is custodian of the Fund's assets.
 
   
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company and the Fund.
Kirkpatrick & Lockhart LLP also acts as counsel to the Sub-adviser and the
Transfer Agent in connection with other matters.
    
 
   
INDEPENDENT ACCOUNTANTS. The Company's and the Fund's independent accountants
are                             , One Post Office Square, Boston, MA 02109.
                            conducts an annual audit of the Fund, assists in the
preparation of the Fund's federal and state income tax returns and consults with
the Company and the Fund as to matters of accounting, regulatory filings, and
federal and state income taxation.
    
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This Prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 31
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND  THE RISKS  OF INVESTING  IN  A CONCENTRATION  OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER  OR CALL AIM DISTRIBUTORS DIRECTLY  AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  PROSPECTUS  AND, IF GIVEN  OR MADE, SUCH  INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON  AS HAVING BEEN AUTHORIZED  BY G.T. INVESTMENT FUNDS,  GT
  GLOBAL  DEVELOPING MARKETS FUND, A I  M ADVISORS,INC., [CHANCELLOR LGT ASSET
  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS PROSPECTUS  DOES  NOT
  CONSTITUTE  AN OFFER TO SELL OR SOLICITATION OF  ANY OFFER TO BUY ANY OF THE
  SECURITIES OFFERED HEREBY IN  ANY JURISDICTION TO ANY  PERSON TO WHOM IT  IS
  UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
   
                                                               GTDPV803001MC
    
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
    
 
                      Statement of Additional Information
 
   
                                  June 1, 1998
    
- --------------------------------------------------------------------------------
 
   
This  Statement of  Additional Information  relates to the  Class A  and Class B
shares of  GT Global  Financial Services  Fund ("Financial  Services Fund"),  GT
Global  Infrastructure Fund ("Infrastructure Fund"), GT Global Natural Resources
Fund ("Natural Resources Fund"), GT  Global Consumer Products and Services  Fund
("Consumer  Products and  Services Fund"), GT  Global Health  Care Fund ("Health
Care Fund") and  GT Global Telecommunications  Fund ("Telecommunications  Fund")
(each,  a  "Fund" or  "Theme  Fund," and,  collectively,  the "Funds"  or "Theme
Funds"). Each  Fund  is a  diversified  series  of G.T.  Investment  Funds  (the
"Company"),  a registered open-end management  investment company. The Financial
Services Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products
and Services Fund (each, a "Feeder Fund," and, collectively, the "Feeder Funds")
invest  all  of  their  investable  assets  in  the  Global  Financial  Services
Portfolio,  Global Infrastructure Portfolio,  Global Natural Resources Portfolio
and Global Consumer Products and  Services Portfolio (each, a "Portfolio,"  and,
collectively,  the  "Portfolios"),  respectively. This  Statement  of Additional
Information, which  is not  a  prospectus, supplements  and  should be  read  in
conjunction  with the Theme Funds' current Class  A and Class B Prospectus dated
June 1, 1998,  a copy of  which is available  without charge by  writing to  the
above  address or  calling the Funds  at the toll-free  telephone number printed
above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator   for,   and   [Chancellor  GT   Asset   Management,   Inc.]  (the
"Sub-adviser") serves as the investment sub-adviser of and sub-administrator for
the Health Care Fund, Telecommunications Fund and the Portfolios (each a  "Theme
Portfolio,"  and collectively the  "Theme Portfolios"). AIM  and the Sub-adviser
also serve as  the administrator and  sub-administrator, respectively, for  each
Feeder  Fund. The distributor of  the Funds' shares is  A I M Distributors, Inc.
("AIM Distributors"). The Funds' transfer agent is GT Global Investor  Services,
Inc. ("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objectives and Policies.......................................................................................      2
Options, Futures and Currency Strategies.................................................................................      6
Risk Factors.............................................................................................................     14
Investment Limitations...................................................................................................     19
Execution of Portfolio Transactions......................................................................................     23
Trustees and Executive Officers..........................................................................................     25
Management...............................................................................................................     27
Valuation of Fund Shares.................................................................................................     32
Information Relating to Sales and Redemptions............................................................................     34
Taxes....................................................................................................................     38
Additional Information...................................................................................................     41
Investment Results.......................................................................................................     42
Description of Debt Ratings..............................................................................................     51
Financial Statements.....................................................................................................     53
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVES
The  investment objective of  each Feeder Fund is  long-term capital growth. The
investment objective  of the  Health Care  Fund and  Telecommunications Fund  is
long-term capital appreciation and long-term growth of capital, respectively.
 
   
Each  Feeder Fund seeks to achieve its  investment objective by investing all of
its investable assets in a Portfolio, each  of which is a subtrust (a  "series")
of Global Investment Portfolio (an open-end management investment company), with
an  investment objective that  is identical to that  of its corresponding Feeder
Fund. Whenever the phrase "all of a Fund's investable assets" is used herein and
in the Prospectus, it means that the only investment securities held by a Feeder
Fund will be  its interest  in its corresponding  Portfolio. A  Feeder Fund  may
withdraw its investment in its corresponding Portfolio at any time, if the Board
of  Trustees of the Company  determines that it is in  the best interests of the
Fund and its shareholders to  do so. Upon any  such withdrawal, a Feeder  Fund's
assets  would  be invested  in accordance  with the  investment policies  of its
corresponding Portfolio described below and in the Prospectus.
    
 
SELECTION OF EQUITY INVESTMENTS
   
With respect to the Natural Resources Portfolio, the Sub-adviser has  identified
four  areas that it expects will  create investment opportunities: (i) improving
supply/demand fundamentals, which  may result in  higher commodity prices;  (ii)
privatization of state-owned natural resource businesses; (iii) management which
can improve production efficiencies without correspondingly increasing commodity
prices;  and (iv) service companies with  emerging technologies that can enhance
productivity or reduce production costs. Of  course, there is no certainty  that
these factors will produce the anticipated results.
    
 
   
With respect to the Telecommunications Fund, the Sub-adviser has identified four
areas  that it expects will create investment opportunities: (i) deregulation of
companies in  the industry,  which  will allow  competition to  promote  greater
efficiencies;  (ii) privatization of  state-owned telecommunications businesses;
(iii) development of infrastructure in underdeveloped countries and upgrading of
services in other countries;  and (iv) emerging  technologies that will  enhance
productivity  and reduce  costs in  the telecommunications  industry. Of course,
there is no certainty that these factors will produce the anticipated results.
    
 
   
There may be times when, in  the opinion of the Sub-adviser, prevailing  market,
economic  or political conditions  warrant reducing the  proportion of the Theme
Portfolios' assets invested in equity  securities and increasing the  proportion
held  in cash (U.S. dollars, foreign currencies or multinational currency units)
or invested in debt securities or  high quality money market instruments  issued
by  corporations, or the U.S., or a  foreign government. A portion of each Theme
Portfolio's assets  normally  will  be  held  in  cash  (U.S.  dollars,  foreign
currencies  or multinational currency units) or  invested in foreign or domestic
high quality money market  instruments pending investment  of proceeds from  new
sales of Fund shares to provide for ongoing expenses and to satisfy redemptions.
    
 
   
For   each  Theme  Portfolio's  investment  purposes,  an  issuer  is  typically
considered as located in a particular country  if it (a) is organized under  the
laws  of or has  its principal office  in a particular  country, or (b) normally
derives 50%  or  more of  its  total revenues  from  business in  that  country,
provided  that, in the Sub-adviser's view, the value of such issuer's securities
will tend  to  reflect such  country's  development  to a  greater  extent  than
developments  elsewhere.  However,  these  are  not  absolute  requirements, and
certain companies incorporated  in a  particular country and  considered by  the
Sub-adviser  to  be  located  in  that  country  may  have  substantial  foreign
operations or subsidiaries and/or export sales  exceeding in size the assets  or
sales in that country.
    
 
   
In  certain  countries,  governmental  restrictions  and  other  limitations  on
investment may affect a Theme Portfolio's  ability to invest in such  countries.
In  addition,  in  some instances  only  special  classes of  securities  may be
purchased by foreigners and the market prices, liquidity and rights with respect
to those securities may vary from shares owned by nationals. The Sub-adviser  is
not  aware at this time  of the existence of  any investment or exchange control
regulations which  might  substantially  impair  the  operations  of  the  Theme
Portfolios  as  described in  the Prospectus  and  this Statement  of Additional
Information. Restrictions may  in the  future, however, make  it undesirable  to
invest  in  certain  countries.  None  of the  Theme  Portfolios  has  a present
intention of making any significant investment in any country or stock market in
    
 
                   Statement of Additional Information Page 2
<PAGE>
                             GT GLOBAL THEME FUNDS
   
which the Sub-adviser considers the political or economic situation to  threaten
a  Theme Portfolio  with substantial  or total  loss of  its investment  in such
country or market.
    
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
Each Theme  Portfolio  may invest  in  the securities  of  investment  companies
(including  investment vehicles or  companies advised by  the Sub-adviser or its
affiliates ("Affiliated Funds")) within the limits of the Investment Company Act
of 1940, as amended (the "1940 Act"). These limitations currently provide  that,
in  general,  a Theme  Portfolio may  purchase shares  of an  investment company
unless (a) such a purchase would cause a Theme Portfolio to own in the aggregate
more than 3% of the total outstanding voting stock of the investment company  or
(b)  such a purchase would cause the Theme Portfolio to have more than 5% of its
assets invested  in  the investment  company  or more  than  10% of  its  assets
invested  in  an  aggregate  of all  such  investment  companies.  The foregoing
restrictions do not  apply to  the investment  of the  Financial Services  Fund,
Infrastructure  Fund, Natural Resources Fund  and Consumer Products and Services
Fund in  their corresponding  Portfolios.  Investment in  closed-end  investment
companies  may involve  the payment of  substantial premiums above  the value of
such companies' portfolio securities.  Each Theme Portfolio  does not intend  to
invest  in such investment companies unless, in the judgment of the Sub-adviser,
the potential benefits of such investments justify the payment of any applicable
premiums. The return on such securities will be reduced by operating expenses of
such  companies,  including  payments  to  the  investment  managers  of   those
investment  companies.  With respect  to  investments in  Affiliated  Funds, the
Sub-adviser waives its advisory fee  to the extent that  such fees are based  on
assets of a Theme Portfolio invested in Affiliated Funds.
    
 
DEPOSITORY RECEIPTS
A Theme Portfolio may hold securities of foreign issuers in the form of American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs") or  other
securities  convertible  into  securities  of  eligible  foreign  issuers. These
securities may  not necessarily  be  denominated in  the  same currency  as  the
securities  for which they may be exchanged.  ADRs and ADSs are typically issued
by an  American bank  or  trust company  and  evidence ownership  of  underlying
securities  issued by a foreign corporation.  EDRs, which are sometimes referred
to as Continental Depository Receipts  ("CDRs"), are issued in Europe  typically
by foreign banks and trust companies and evidence ownership of either foreign or
domestic  securities.  GDRs are  similar to  EDRs  and are  designed for  use in
several international financial markets. Generally, ADRs and ADSs in  registered
form are designed for use in U.S. securities markets and EDRs in bearer form are
designed  for use  in European  securities markets.  For purposes  of each Theme
Portfolio's investment policies, a Theme Portfolio's investments in ADRs,  ADSs,
GDRs  and  EDRs  will be  deemed  to  be investments  in  the  equity securities
representing securities of foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass-through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally  the same manner as unsponsored  facilities,
except  that  the  issuer of  the  deposited  securities enters  into  a deposit
agreement with the  depository. The deposit  agreement sets out  the rights  and
responsibilities  of  the  issuer,  the depository  and  the  ADR  holders. With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository), although ADR holders continue to bear certain other costs (such  as
deposit  and withdrawal fees).  Under the terms  of most sponsored arrangements,
depositories agree  to distribute  notices of  shareholder meetings  and  voting
instructions, and to provide shareholder communications and other information to
the  ADR holders at the  request of the issuer  of the deposited securities. The
Theme Portfolios may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants or rights may be acquired by a Theme Portfolio in connection with other
securities or  separately and  provide the  Theme Portfolio  with the  right  to
purchase at a later date other securities of the issuer.
 
                   Statement of Additional Information Page 3
<PAGE>
                             GT GLOBAL THEME FUNDS
 
LENDING OF PORTFOLIO SECURITIES
   
For  the purpose of  realizing additional income, each  Theme Portfolio may make
secured loans of its securities holdings amounting  to not more than 30% of  its
total  assets.  Securities loans  are  made to  broker/dealers  or institutional
investors pursuant  to  agreements  requiring that  the  loans  be  continuously
secured by collateral at least equal at all times to the value of the securities
lent  plus any accrued interest, "marked to  market" on a daily basis. The Theme
Portfolios may pay  reasonable administrative and  custodial fees in  connection
with  the loans of their securities. While the securities loan is outstanding, a
Theme Portfolio  will continue  to receive  the equivalent  of the  interest  or
dividends  paid by  the issuer  on the  securities, as  well as  interest on the
investment of the collateral or a fee from the borrower. A Theme Portfolio  will
have  a right  to call  each loan  and obtain  the securities  within the stated
settlement period. A  Theme Portfolio  will not have  the right  to vote  equity
securities  while they are being lent, but it may call in a loan in anticipation
of any  important  vote.  Loans  will  only be  made  to  firms  deemed  by  the
Sub-adviser  to be of good standing and will not be made unless, in the judgment
of the Sub-adviser, the consideration to be earned from such loans would justify
the risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For the purposes of each Theme  Portfolio's investment policies with respect  to
bank  obligations, obligations of foreign branches  of U.S. banks and of foreign
banks are obligations of the issuing bank and may be general obligations of  the
parent  bank.  Such obligations  may,  however, be  limited  by the  terms  of a
specific obligation  and  by  government  regulation.  As  with  investments  in
non-U.S.  securities  in  general,  investments in  the  obligations  of foreign
branches of U.S. banks and of foreign banks may subject each Theme Portfolio  to
investment  risks that are different in  some respects from those of investments
in obligations of  U.S. issuers.  Although each Theme  Portfolio will  typically
acquire  obligations issued and supported by the credit of U.S. or foreign banks
having total assets  at the  time of  purchase of $1  billion or  more, this  $1
billion  figure  is  not  an  investment policy  or  restriction  of  each Theme
Portfolio. For  the purposes  of  calculation with  respect  to the  $1  billion
figure,  the assets of a bank  will be deemed to include  the assets of its U.S.
and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A repurchase agreement is a transaction  in which a Theme Portfolio purchases  a
security  from a bank or recognized securities dealer and simultaneously commits
to resell that security to the bank or dealer at an agreed upon price, date, and
market rate  of  interest  unrelated to  the  coupon  rate or  maturity  of  the
purchased  security.  Although  repurchase agreements  carry  certain  risks not
associated with direct investments in securities, including possible decline  in
the  market value of the underlying securities and delays and costs to the Theme
Portfolio if the other party to  the repurchase agreement becomes bankrupt,  the
Theme  Portfolios intend to enter into repurchase agreements only with banks and
dealers  believed  by  the  Sub-adviser  to  present  minimal  credit  risks  in
accordance with guidelines established by the Company's or the Portfolios' Board
of  Trustees,  as  applicable.  The  Sub-adviser  will  review  and  monitor the
creditworthiness of  such  institutions  under the  applicable  Board's  general
supervision.
    
 
Each Theme Portfolio will invest only in repurchase agreements collateralized at
all  times in  an amount  at least  equal to  the repurchase  price plus accrued
interest. To the extent that the proceeds from any sale of such collateral  upon
a default in the obligation to repurchase were less than the repurchase price, a
Theme Portfolio would suffer a loss. If the financial institution which is party
to  the  repurchase  agreement  petitions for  bankruptcy  or  otherwise becomes
subject  to  bankruptcy   or  other  liquidation   proceedings,  there  may   be
restrictions  on a Theme Portfolio's ability to  sell the collateral and a Theme
Portfolio could suffer a loss.  However, with respect to financial  institutions
whose  bankruptcy or liquidation proceedings are  subject to the U.S. Bankruptcy
Code, each Theme  Portfolio intends to  comply with provisions  under such  Code
that  would allow the immediate resale  of such collateral. Each Theme Portfolio
will not enter into a  repurchase agreement with a  maturity of more than  seven
days  if, as a result, more than 15% of  the value of its net assets (except for
Health Care Fund,  more than  10% of  the value of  its total  assets) would  be
invested in such repurchase agreements and other illiquid investments.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
Each  Theme Portfolio's borrowings will not exceed  33 1/3% of its total assets,
i.e., the Theme Portfolio's total assets at  all times will equal at least  300%
of  the amount of outstanding borrowings. If market fluctuations in the value of
a Theme Portfolio's securities  holdings or other factors  cause the ratio of  a
Theme  Portfolio's total  assets to outstanding  borrowings to  fall below 300%,
within three days  (excluding Sundays  and holidays)  of such  event that  Theme
Portfolio may be required to sell portfolio securities to restore the 300% asset
coverage,  even  though  from  an  investment  standpoint  such  sales  might be
disadvantageous. Each Theme  Portfolio may  also borrow up  to 5%  of its  total
assets  for temporary or emergency purposes  other than to meet redemptions. Any
borrowing by a Theme Portfolio may cause greater fluctuation in the value of its
shares than would be the case if that Theme Portfolio did not borrow.
 
                   Statement of Additional Information Page 4
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
Each Theme  Portfolio's  fundamental  investment limitations  permit  the  Theme
Portfolio to borrow money for leveraging purposes. However, each Theme Portfolio
(except  the  Health Care  Fund)  is currently  prohibited,  pursuant to  a non-
fundamental investment  policy,  from  borrowing  money  in  order  to  purchase
securities.  Nevertheless,  this policy  may  be changed  in  the future  by the
Company's or  the Portfolios'  Board  of Trustees,  as  applicable. If  a  Theme
Portfolio  employs  leverage  in the  future,  it  would be  subject  to certain
additional risks. Use of leverage creates  an opportunity for greater growth  of
capital  but would exaggerate any increases or  decreases in the net asset value
of the Financial  Services Fund,  Infrastructure Fund,  Natural Resources  Fund,
Consumer  Products and Services Fund  or a Theme Portfolio.  When the income and
gains on securities purchased with the  proceeds of borrowings exceed the  costs
of  such borrowings, a  Theme Portfolio's earnings  or a Fund's  net asset value
will increase  faster than  otherwise would  be the  case; conversely,  if  such
income  and gains fail to  exceed such costs, a  Theme Portfolio's earnings or a
Fund's net asset value would decline faster than would otherwise be the case.
    
 
   
Each Theme Portfolio  may enter  into reverse repurchase  agreements. A  reverse
repurchase agreement is a borrowing transaction in which the Portfolio transfers
possession  of a security to another party,  such as a bank or broker/dealer, in
return for cash,  and agrees  to repurchase  the security  in the  future at  an
agreed  upon price, which  includes an interest  component. Each Theme Portfolio
may also engage  in "roll"  borrowing transactions,  which involve  the sale  of
Government  National  Mortgage  Association  certificates  or  other  securities
together with a commitment (for which the Theme Portfolio may receive a fee)  to
purchase  similar, but  not identical, securities  at a future  date. Each Theme
Portfolio will  segregate with  a custodian,  cash or  liquid securities  in  an
amount sufficient to cover its obligations under "roll" transactions and reverse
repurchase  agreements  with  broker/dealers.  No  segregation  is  required for
reverse repurchase agreements with banks.
    
 
SHORT SALES
   
Each Theme Portfolio  may make  short sales  of securities.  A short  sale is  a
transaction in which a Theme Portfolio sells a security in anticipation that the
market  price of that  security will decline.  A Theme Portfolio  may make short
sales (i) as a form of hedging to offset potential declines in long positions in
securities it owns, or anticipates acquiring, or in similar securities, and (ii)
in order to maintain flexibility in its securities holdings.
    
 
When a Theme Portfolio makes a short sale of a security it does not own, it must
borrow the security  sold short  and deliver it  to the  broker/dealer or  other
intermediary  through which it made the short sale. The Theme Portfolio may have
to pay a fee to borrow particular securities and will often be obligated to  pay
over any payments received on such borrowed securities.
 
A  Theme  Portfolio's  obligation  to replace  the  borrowed  security  when the
borrowing is called or expires will be secured by collateral deposited with  the
intermediary.  The Theme Portfolio  will also be  required to deposit collateral
with its custodian to the  extent, if any, necessary so  that the value of  both
collateral  deposits in the aggregate is at all  times equal to at least 100% of
the current market value of the  security sold short. Depending on  arrangements
made with the intermediary from which it borrowed the security regarding payment
of  any  amounts received  by that  Theme  Portfolio on  such security,  a Theme
Portfolio may not receive  any payments (including  interest) on its  collateral
deposited with such intermediary.
 
If  the price of the security sold short increases between the time of the short
sale and the time a Theme  Portfolio replaces the borrowed security, that  Theme
Portfolio  will  incur a  loss;  conversely, if  the  price declines,  the Theme
Portfolio will  realize  a  gain. Any  gain  will  be decreased,  and  any  loss
increased,  by the transaction costs associated with the transaction. Although a
Theme Portfolio's gain is  limited by the  price at which  it sold the  security
short, its potential loss theoretically is unlimited.
 
No  Theme Portfolio will make a short sale if, after giving effect to such sale,
the market value of the  securities sold short exceeds 25%  of the value of  its
total assets or the Theme Portfolio's aggregate short sales of the securities of
any one issuer exceed the lesser of 2% of the Theme Portfolio's net assets or 2%
of  the securities of any  class of the issuer.  Moreover, a Theme Portfolio may
engage in  short sales  only with  respect to  securities listed  on a  national
securities  exchange. A Theme  Portfolio may make short  sales "against the box"
without respect to such limitations. In this type of short sale, at the time  of
the  sale the  Theme Portfolio owns  the security it  has sold short  or has the
immediate and unconditional right to acquire at no additional cost the identical
security.
 
                   Statement of Additional Information Page 5
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The use of options, futures  contracts and forward currency contracts  ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1)  Successful  use  of  most of  these  instruments  depends  upon the
    Sub-adviser's ability to  predict movements  of the  overall securities  and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the  use of these instruments, there can be no assurance that any particular
    strategy adopted will succeed.
    
 
        (2) There  might  be  imperfect correlation,  or  even  no  correlation,
    between  price  movements  of  an  instrument  and  price  movements  of the
    investments being hedged. For example, if the value of an instrument used in
    a short hedge  increased by less  than the  decline in value  of the  hedged
    investment,  the  hedge  would  not  be fully  successful.  Such  a  lack of
    correlation might  occur  due to  factors  unrelated  to the  value  of  the
    investments  being hedged,  such as  speculative or  other pressures  on the
    markets in  which the  hedging instrument  is traded.  The effectiveness  of
    hedges  using hedging  instruments on indices  will depend on  the degree of
    correlation between price movements in the index and price movements in  the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or  partially offsetting the negative  effect of unfavorable price movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity for gain by  offsetting the positive  effect of favorable  price
    movements  in  the hedged  investments. For  example,  if a  Theme Portfolio
    entered into a short  hedge because the Sub-adviser  projected a decline  in
    the price of a security in the Theme Portfolio's portfolio, and the price of
    that security increased instead, the gain from that increase might be wholly
    or  partially offset by  a decline in  the price of  the hedging instrument.
    Moreover, if the price of the  hedging instrument declined by more than  the
    increase  in the price of  the security, the Theme  Portfolio could suffer a
    loss. In either such case, the Theme  Portfolio would have been in a  better
    position had it not hedged at all.
    
 
        (4)  As  described  below,  the Theme  Portfolio  might  be  required to
    maintain assets  as "cover,"  maintain segregated  accounts or  make  margin
    payments  when it  takes positions  in instruments  involving obligations to
    third parties (I.E., instruments other than purchased options). If the Theme
    Portfolio were unable  to close out  its positions in  such instruments,  it
    might  be required to continue  to maintain such assets  or accounts or make
    such payments until the position expired or matured. The requirements  might
    impair the Theme Portfolio's ability to sell a portfolio security or make an
    investment  at a  time when  it would  otherwise be  favorable to  do so, or
    require  that  the  Theme   Portfolio  sell  a   portfolio  security  at   a
    disadvantageous  time. The Theme Portfolio's ability to close out a position
    in an instrument prior to expiration or maturity depends on the existence of
    a liquid secondary market or, in the  absence of such a market, the  ability
    and  willingness of the  other party to the  transaction ("contra party") to
    enter into a transaction  closing out the position.  Therefore, there is  no
    assurance  that any position can  be closed out at a  time and price that is
    favorable to the Theme Portfolio.
 
WRITING CALL OPTIONS
   
Each Theme Portfolio may  write (sell) call options  on securities, indices  and
currencies.  Call options generally will be written on securities and currencies
that, in the opinion of the Sub-adviser are not expected to make any major price
moves in  the near  future  but that,  over  the long  term,  are deemed  to  be
attractive investments for the Theme Portfolios.
    
 
A  call option  gives the  holder (buyer)  the right  to purchase  a security or
currency at a specified price (the  exercise price) at any time until  (American
style)  or on (European style) a certain  date (the expiration date). So long as
the obligation  of the  writer of  a call  option continues,  he or  she may  be
assigned  an exercise  notice, requiring  him or  her to  deliver the underlying
security or  currency against  payment of  the exercise  price. This  obligation
terminates upon the expiration of the call option, or such earlier time at which
the  writer  effects  a closing  purchase  transaction by  purchasing  an option
identical to that previously sold.
 
                   Statement of Additional Information Page 6
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on the basis of investment considerations consistent with each
Theme Portfolio's  investment objective.  When writing  a call  option, a  Theme
Portfolio, in return for the premium, gives up the opportunity for profit from a
price  increase in the underlying security or currency above the exercise price,
and retains  the risk  of loss  should the  price of  the security  or  currency
decline.  Unlike one who owns securities or currencies not subject to an option,
a Theme  Portfolio has  no control  over when  it may  be required  to sell  the
underlying  securities or currencies, since most options may be exercised at any
time prior to the option's expiration. If  a call option that a Theme  Portfolio
has  written expires, the Theme  Portfolio will realize a  gain in the amount of
the premium; however, such gain may be  offset by a decline in the market  value
of  the underlying security  or currency during  the option period.  If the call
option is exercised, the Theme  Portfolio will realize a  gain or loss from  the
sale  of the underlying security or currency,  which will be increased or offset
by the premium received.  Each Theme Portfolio does  not consider a security  or
currency  covered by a call option to be  "pledged" as that term is used in that
Theme Portfolio's policy that limits the pledging or mortgaging of its assets.
 
Writing call options can serve as a limited short hedge because declines in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
appreciates to a price higher than the exercise price of the call option, it can
be  expected that  the option will  be exercised  and a Theme  Portfolio will be
obligated to sell the security or currency at less than its market value.
 
   
The premium that a Theme Portfolio receives for writing a call option is  deemed
to  constitute the market  value of an  option. The premium  the Theme Portfolio
will receive from writing  a call option will  reflect, among other things,  the
current  market  price of  the underlying  investment,  the relationship  of the
exercise price to  such market  price, the  historical price  volatility of  the
underlying  investment,  and the  length of  the  option period.  In determining
whether a  particular  call  option  should be  written,  the  Sub-adviser  will
consider the reasonableness of the anticipated premium and the likelihood that a
liquid secondary market will exist for those options.
    
 
Closing  transactions  will be  effected  in order  to  realize a  profit  on an
outstanding call  option, to  prevent an  underlying security  or currency  from
being  called, or  to permit  the sale of  the underlying  security or currency.
Furthermore, effecting a closing  transaction will permit  a Theme Portfolio  to
write  another call option on the underlying  security or currency with either a
different exercise price or expiration date, or both.
 
Each Theme Portfolio will pay transaction  costs in connection with the  writing
of  options and in  entering into closing  purchase contracts. Transaction costs
relating to  options  activity are  normally  higher than  those  applicable  to
purchases and sales of portfolio securities.
 
The  exercise price of the  options may be below, equal  to or above the current
market values of the  underlying securities, indices or  currencies at the  time
the  options are written. From  time to time, a  Theme Portfolio may purchase an
underlying security or currency for delivery in accordance with the exercise  of
an  option, rather than delivering such security or currency from its portfolio.
In such cases, additional costs will be incurred.
 
A Theme  Portfolio  will  realize a  profit  or  loss from  a  closing  purchase
transaction  if the cost of the transaction  is less or more, respectively, than
the premium received from  writing the option. Because  increases in the  market
price  of a call option generally will  reflect increases in the market price of
the underlying security or currency, any loss resulting from the repurchase of a
call option is likely to  be offset in whole or  in part by appreciation of  the
underlying security or currency owned by a Theme Portfolio.
 
WRITING PUT OPTIONS
Each   Theme  Portfolio  may  write  put  options  on  securities,  indices  and
currencies. A put option gives  the purchaser of the  option the right to  sell,
and  the  writer (seller)  the  obligation to  buy,  the underlying  security or
currency at  the  exercise  price at  any  time  until (American  style)  or  on
(European  style) the  expiration date.  The operation  of put  options in other
respects, including their related risks and rewards, is substantially  identical
to that of call options.
 
   
A  Theme Portfolio generally would write  put options in circumstances where the
Sub-adviser wishes to purchase the underlying  security or currency for a  Theme
Portfolio's  holdings at  a price  lower than  the current  market price  of the
security or currency. In such event, a Theme Portfolio would write a put  option
at  an  exercise price  that, reduced  by  the premium  received on  the option,
reflects the lower price it is willing  to pay. Since the Theme Portfolio  would
also  receive interest on debt securities  or currencies maintained to cover the
exercise price of the  option, this technique could  be used to enhance  current
return  during periods  of market  uncertainty. The  risk in  such a transaction
would be that  the market  price of the  underlying security  or currency  would
decline below the exercise price less the premium received.
    
 
                   Statement of Additional Information Page 7
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                             GT GLOBAL THEME FUNDS
 
Writing  put options can serve as a  limited long hedge because increases in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
depreciates to a price lower than the  exercise price of the put option, it  can
be  expected that the put option will be exercised and a Theme Portfolio will be
obligated to purchase the security or currency at greater than its market value.
 
PURCHASING PUT OPTIONS
Each Theme  Portfolio  may  purchase  put options  on  securities,  indices  and
currencies.  As the  holder of a  put option,  a Theme Portfolio  would have the
right to sell the underlying security or  currency at the exercise price at  any
time  until (American style) or on (European style) the expiration date. A Theme
Portfolio may enter into closing sale transactions with respect to such options,
exercise such option or permit such option to expire.
 
Each Theme Portfolio  may purchase  a put option  on an  underlying security  or
currency  ("protective put")  owned by the  Theme Portfolio in  order to protect
against an anticipated decline  in the value of  the security or currency.  Such
hedge  protection is provided  only during the  life of the  put option when the
Theme Portfolio, as the holder of the put option, is able to sell the underlying
security or currency at the put exercise price regardless of any decline in  the
underlying  security's market  price or  currency's exchange  value. The premium
paid for  the put  option and  any  transaction costs  would reduce  any  profit
otherwise available for distribution when the security or currency is eventually
sold.
 
A  Theme Portfolio may also purchase put options  at a time when it does not own
the underlying security or currency. By purchasing put options on a security  or
currency  it does not own, that Theme  Portfolio seeks to benefit from a decline
in the market price of the underlying security or currency. If the put option is
not sold when it has remaining value, and if the market price of the  underlying
security  or currency remains equal to or greater than the exercise price during
the life of the put option, the Theme Portfolio will lose its entire  investment
in  the put option. In order for the  purchase of a put option to be profitable,
the  market  price  of  the   underlying  security  or  currency  must   decline
sufficiently  below  the exercise  price to  cover  the premium  and transaction
costs, unless the put option is sold in a closing sale transaction.
 
PURCHASING CALL OPTIONS
Each Theme  Portfolio  may purchase  call  options on  securities,  indices  and
currencies.  As the holder of a call  option, the Theme Portfolio would have the
right to purchase the underlying security  or currency at the exercise price  at
any  time until (American style)  or on (European style)  the expiration date. A
Theme Portfolio may enter  into closing sale transactions  with respect to  such
options, exercise such options or permit such options to expire.
 
Call  options may be purchased by a Theme Portfolio for the purpose of acquiring
the underlying security or currency for its portfolio. Utilized in this fashion,
the purchase  of call  options would  enable a  Theme Portfolio  to acquire  the
security  or currency at the exercise price  of the call option plus the premium
paid. At times,  the net  cost of  acquiring the  security or  currency in  this
manner may be less than the cost of acquiring the security or currency directly.
This  technique may also  be useful to  a Theme Portfolio  in purchasing a large
block of securities  that would be  more difficult to  acquire by direct  market
purchases.  So long as it  holds such a call  option, rather than the underlying
security or currency itself, the Theme Portfolio is partially protected from any
unexpected decline in the  market price of the  underlying security or  currency
and, in such event, could allow the call option to expire, incurring a loss only
to the extent of the premium paid for the option.
 
A  Theme Portfolio  may also purchase  call options on  underlying securities or
currencies it owns to avoid realizing losses that would result in a reduction of
its current return.  For example,  where a Theme  Portfolio has  written a  call
option on an underlying security or currency having a current market value below
the  price at which  it purchased the  security or currency,  an increase in the
market price could  result in the  exercise of  the call option  written by  the
Theme  Portfolio and  the realization  of a loss  on the  underlying security or
currency. Accordingly, the Theme Portfolio could  purchase a call option on  the
same  underlying security or  currency, which could be  exercised to fulfill the
Theme Portfolio's  delivery  obligations  under  its  written  call  (if  it  is
exercised).  This strategy could allow the  Theme Portfolio to avoid selling the
portfolio security  or  currency at  a  time when  it  has an  unrealized  loss;
however,  the Theme Portfolio would  have to pay a  premium to purchase the call
option plus transaction costs.
 
Aggregate premiums paid  for put and  call options  will not exceed  5% of  each
Theme Portfolio's total assets at the time of each purchase.
 
A Theme Portfolio may attempt to accomplish objectives similar to those involved
in  using Forward Contracts, by purchasing put  or call options on currencies. A
put option  gives  the Theme  Portfolio  as purchaser  the  right (but  not  the
obligation)  to sell a specified amount of currency at the exercise price at any
time until (American style)  or on (European style)  the expiration date of  the
option.  A call option gives the Theme Portfolio as purchaser the right (but not
the obligation) to purchase a specified amount of currency at the exercise price
at any time until (American style) or on (European style) the expiration date of
the option. A Theme Portfolio might purchase a currency put option, for example,
 
                   Statement of Additional Information Page 8
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                             GT GLOBAL THEME FUNDS
to protect itself against a decline in  the dollar value of a currency in  which
it  holds  or anticipates  holding securities.  If  the currency's  value should
decline against the  dollar, the  loss in currency  value should  be offset,  in
whole  or in part, by an  increase in the value of the  put. If the value of the
currency instead should rise against the  dollar, any gain to a Theme  Portfolio
would  be reduced by the premium it had paid for the put option. A currency call
option might  be purchased,  for  example, in  anticipation  of, or  to  protect
against,  a rise in the value against the  dollar of a currency in which a Theme
Portfolio anticipates purchasing securities.
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing  corporation) and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates. A Theme Portfolio will not purchase an OTC option unless it believes that
daily valuations for  such options  are readily obtainable.  OTC options  differ
from  exchange-traded options  in that OTC  options are  transacted with dealers
directly and not through a clearing corporation (which guarantees  performance).
Consequently,  there  is  a risk  of  non-performance  by the  dealer.  Since no
exchange is involved, OTC options are valued  on the basis of an average of  the
last  bid prices obtained from dealers, unless  a quotation from only one dealer
is available, in which case only that  dealer's price will be used. In the  case
of  OTC options, there can  be no assurance that  a liquid secondary market will
exist for any particular option at any specific time.
 
The staff of the Securities and Exchange Commission ("SEC") considers  purchased
OTC  options to  be illiquid  securities. A  Theme Portfolio  may also  sell OTC
options and, in connection therewith, segregate assets or cover its  obligations
with  respect to OTC options written by  the Theme Portfolio. The assets used as
cover for OTC options written by  a Theme Portfolio will be considered  illiquid
unless  the OTC options are  sold to qualified dealers  who agree that the Theme
Portfolio may repurchase  any OTC  option it  writes at  a maximum  price to  be
calculated  by a formula set forth in the option agreement. The cover for an OTC
option written subject to  this procedure would be  considered illiquid only  to
the  extent  that the  maximum repurchase  price under  the formula  exceeds the
intrinsic value of the option.
 
A  Theme  Portfolio's  ability   to  establish  and   close  out  positions   in
exchange-listed  options depends  on the existence  of a liquid  market. A Theme
Portfolio intends to purchase  or write only  those exchange-traded options  for
which  there appears to be  a liquid secondary market.  However, there can be no
assurance that  such  a  market  will exist  at  any  particular  time.  Closing
transactions  can be made for OTC options  only by negotiating directly with the
contra party or  by a transaction  in the  secondary market if  any such  market
exists.  Although a Theme Portfolio will enter into OTC options only with contra
parties that are expected  to be capable of  entering into closing  transactions
with the Theme Portfolio, there is no assurance that the Theme Portfolio will in
fact  be able to close out an OTC  option position at a favorable price prior to
expiration. In the event of insolvency of the contra party, the Theme  Portfolio
might  be unable to  close out an OTC  option position at any  time prior to its
expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in  individual securities or futures contracts.  When a Theme Portfolio writes a
call on an index, it receives a premium and agrees that, prior to the expiration
date, the purchaser of the  call, upon exercise of  the call, will receive  from
the  Theme Portfolio an  amount of cash if  the closing level  of the index upon
which the call  is based is  greater than the  exercise price of  the call.  The
amount of cash is equal to the difference between the closing price of the index
and   the  exercise  price   of  the  call  times   a  specified  multiple  (the
"multiplier"), which determines the  total dollar value for  each point of  such
difference.  When a Theme Portfolio  buys a call on an  index, it pays a premium
and has the same  rights as to such  call as are indicated  above. When a  Theme
Portfolio  buys a put on an index, it pays a premium and has the right, prior to
the expiration  date,  to  require  the  seller  of  the  put,  upon  the  Theme
Portfolio's  exercise of the put, to deliver to the Theme Portfolio an amount of
cash if the closing level of the index upon which the put is based is less  than
the  exercise  price of  the  put, which  amount of  cash  is determined  by the
multiplier, as described above for calls. When the Theme Portfolio writes a  put
on an index, it receives a premium and the purchaser has the right, prior to the
expiration  date, to require the  Theme Portfolio to deliver  to it an amount of
cash equal to  the difference between  the closing  level of the  index and  the
exercise  price times  the multiplier,  if the  closing level  is less  than the
exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities.  Because index options  are settled in cash,  when a Theme Portfolio
writes a  call on  an  index it  cannot provide  in  advance for  its  potential
settlement  obligations by  acquiring and  holding the  underlying securities. A
Theme Portfolio can  offset some  of the  risk of  writing a  call index  option
position  by holding a  diversified portfolio of securities  similar to those on
which the underlying index is based.
 
                   Statement of Additional Information Page 9
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                             GT GLOBAL THEME FUNDS
However, a Theme  Portfolio cannot, as  a practical matter,  acquire and hold  a
portfolio containing exactly the same securities as underlie the index and, as a
result,  bears a risk that  the value of the securities  held will vary from the
value of the index.
 
Even if a  Theme Portfolio could  assemble a securities  portfolio that  exactly
reproduced  the composition of the underlying index, it still would not be fully
covered from a risk standpoint because of the "timing risk" inherent in  writing
index  options. When an index  option is exercised, the  amount of cash that the
holder is  entitled to  receive  is determined  by  the difference  between  the
exercise  price  and the  closing index  level on  the date  when the  option is
exercised. As with  other kinds  of options, the  Theme Portfolio,  as the  call
writer,  will not know that it has been  assigned until the next business day at
the earliest. The time  lag between exercise and  notice of assignment poses  no
risk for the writer of a covered call on a specific underlying security, such as
common stock, because there the writer's obligation is to deliver the underlying
security,  not to pay its value  as of a fixed time in  the past. So long as the
writer already  owns the  underlying  security, it  can satisfy  its  settlement
obligations  by  simply delivering  it, and  the  risk that  its value  may have
declined since the exercise date is borne by the exercising holder. In contrast,
even if the  writer of an  index call  holds securities that  exactly match  the
composition  of  the  underlying index,  it  will  not be  able  to  satisfy its
assignment obligations by  delivering those  securities against  payment of  the
exercise  price. Instead, it will be required to  pay cash in an amount based on
the closing index value on the exercise date; and by the time it learns that  it
has  been assigned, the index may have declined, with a corresponding decline in
the value  of  its securities  portfolio.  This  "timing risk"  is  an  inherent
limitation  on the ability of index call writers to cover their risk exposure by
holding securities positions.
 
If a  Theme Portfolio  purchases an  index option  and exercises  it before  the
closing  index value for that day is available,  it runs the risk that the level
of the underlying  index may subsequently  change. If such  a change causes  the
exercised  option to fall out-of-the-money, the Theme Portfolio will be required
to pay the difference between the closing index value and the exercise price  of
the option (times the applicable multiplier) to the assigned writer.
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
Each Theme Portfolio may enter into interest rate or currency futures contracts,
and  may enter  into stock index  futures contracts  (collectively, "Futures" or
"Futures Contracts"),  as  a  hedge  against changes  in  prevailing  levels  of
interest  rates,  currency exchange  rates  or stock  price  levels in  order to
establish more definitely the effective return on securities or currencies  held
or  intended to be acquired by the  Theme Portfolio. A Theme Portfolio's hedging
may include  sales  of Futures  as  an offset  against  the effect  of  expected
increases  in interest rates, and decreases in currency exchange rates and stock
prices, and purchases  of Futures as  an offset against  the effect of  expected
declines  in interest rates,  and increases in currency  exchange rates or stock
prices.
 
Each Theme Portfolio only will enter  into Futures Contracts that are traded  on
futures  exchanges  and  are standardized  as  to maturity  date  and underlying
financial instrument. Futures exchanges and trading thereon in the United States
are regulated under the Commodity Exchange Act by the Commodity Futures  Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used  to reduce a Theme Portfolio's exposure to interest rate, currency exchange
rate and stock market  fluctuations, that Theme Portfolio  may be able to  hedge
its  exposure  more  effectively  and  at a  lower  cost  through  using Futures
Contracts.
 
A Futures Contract provides  for the future  sale by one  party and purchase  by
another party of a specified amount of a specific financial instrument (security
or currency) for a specified price at a designated date, time and place. A stock
index Futures Contract provides for the delivery, at a designated date, time and
place,  of  an amount  of  cash equal  to a  specified  dollar amount  times the
difference between the stock index value at the close of trading on the contract
and the price at  which the Futures Contract  is originally struck; no  physical
delivery  of stocks  comprising the index  is made. Brokerage  fees are incurred
when a  Futures  Contract  is  bought  or sold,  and  margin  deposits  must  be
maintained at all times the Futures Contract is outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  usually are closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively,   for  the  same  aggregate  amount  of  the  identical  financial
instrument or currency and  the same delivery date.  If the offsetting  purchase
price is less than the original sale price, the Theme Portfolio realizes a gain;
if  it  is  more,  the  Theme Portfolio  realizes  a  loss.  Conversely,  if the
offsetting sale  price is  more  than the  original  purchase price,  the  Theme
Portfolio  realizes a gain; if it is  less, the Theme Portfolio realizes a loss.
The transaction costs must also be included in these calculations. There can  be
no  assurance, however,  that a Theme  Portfolio will  be able to  enter into an
offsetting transaction with respect to a particular Futures
 
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                             GT GLOBAL THEME FUNDS
Contract at a particular time. If a Theme Portfolio is not able to enter into an
offsetting transaction, that  Theme Portfolio  will continue to  be required  to
maintain the margin deposits on the Futures Contract.
 
As  an example of an offsetting transaction, the contractual obligations arising
from the sale of one Futures Contract of September Deutschemarks on an  exchange
may  be fulfilled  at any  time before  delivery under  the Futures  Contract is
required (I.E., on a specified date  in September, the "delivery month") by  the
purchase  of another  Futures Contract  of September  Deutschemarks on  the same
exchange. In  such instance,  the  difference between  the  price at  which  the
Futures  Contract was sold and the price paid for the offsetting purchase, after
allowance for transaction  costs, represents  the profit  or loss  to the  Theme
Portfolio.
 
Each  Theme Portfolio's  Futures transactions will  be entered  into for hedging
purposes only; that  is, Futures  Contracts will be  sold to  protect against  a
decline in the price of securities or currencies that a Theme Portfolio owns, or
Futures  Contracts will  be purchased  to protect  a Theme  Portfolio against an
increase in the price of securities  or currencies it has committed to  purchase
or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by a Theme Portfolio in order to initiate Futures trading and maintain
the Theme Portfolio's open positions in Futures Contracts. A margin deposit made
when the Futures  Contract is  entered into  ("initial margin")  is intended  to
ensure  the Theme Portfolio's performance under the Futures Contract. The margin
required for a particular Futures Contract is  set by the exchange on which  the
Futures  Contract is traded and may be  significantly modified from time to time
by the exchange during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through which the Theme  Portfolio entered into the Futures
Contract will be made on a daily basis as the price of the underlying  security,
currency  or index fluctuates making the Futures Contract more or less valuable,
a process known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced  by, among  other  things, actual  and anticipated
changes in  interest rates  and currency  exchange rates,  and in  stock  market
movements,  which  in turn  are  affected by  fiscal  and monetary  policies and
national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and prices  of the  securities or  currencies in  a Theme Portfolio's
portfolio being hedged. The degree  of imperfection of correlation depends  upon
circumstances  such as variations  in speculative market  demand for Futures and
for securities or currencies, including technical influences in Futures trading;
and  differences  between  the  financial  instruments  being  hedged  and   the
instruments  underlying the standard Futures  Contracts available for trading. A
decision of whether, when and how to hedge involves skill and judgment, and even
a well-conceived hedge may be unsuccessful to some degree because of  unexpected
market behavior or interest or currency rate trends.
 
Because  of  the  low  margin deposits  required,  Futures  trading  involves an
extremely high  degree  of leverage.  As  a  result, a  relatively  small  price
movement  in a Futures Contract may result in immediate and substantial loss, as
well as gain, to the investor. For example,  if at the time of purchase, 10%  of
the  value of  the Futures  Contract is  deposited as  margin, a  subsequent 10%
decrease in the value of  the Futures Contract would result  in a total loss  of
the  margin  deposit, before  any deduction  for the  transaction costs,  if the
account were then closed  out. A 15%  decrease would result in  a loss equal  to
150%  of the original margin  deposit, if the Futures  Contract were closed out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on  Futures Contracts prices during  a single trading  day.
The  daily limit  establishes the  maximum amount  that the  price of  a Futures
Contract or option may vary either up or down from the previous day's settlement
price at the end of a trading session. Once the daily limit has been reached  in
a  particular type of Futures Contract or option,  no trades may be made on that
day at a price beyond  that limit. The daily  limit governs only price  movement
during  a particular trading day and  therefore does not limit potential losses,
because the limit may prevent the liquidation of unfavorable positions.  Futures
Contract  and  option prices  have  occasionally moved  to  the daily  limit for
several consecutive trading days with  little or no trading, thereby  preventing
prompt  liquidation  of positions  and  subjecting some  traders  to substantial
losses.
 
If a Theme Portfolio  were unable to  liquidate a Futures  or option on  Futures
position  due to the absence  of a liquid secondary  market or the imposition of
price limits,  it could  incur  substantial losses.  The Theme  Portfolio  would
continue to be subject to market risk with respect to the position. In addition,
except  in the case of purchased options,  the Theme Portfolio would continue to
be required to  make daily variation  margin payments and  might be required  to
maintain  the position being hedged by the  Future or option or to maintain cash
or securities in a segregated account.
 
                  Statement of Additional Information Page 11
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                             GT GLOBAL THEME FUNDS
 
Certain characteristics  of the  Futures  market might  increase the  risk  that
movements  in the prices  of Futures Contracts  or options on  Futures might not
correlate perfectly  with  movements in  the  prices of  the  investments  being
hedged.  For example,  all participants  in the  Futures and  options on Futures
markets are subject to  daily variation margin calls  and might be compelled  to
liquidate  Futures  or  options on  Futures  positions whose  prices  are moving
unfavorably to avoid being  subject to further  calls. These liquidations  could
increase  price  volatility  of the  instruments  and distort  the  normal price
relationship between the Futures  or options and  the investments being  hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous  than  margin requirements  in the  securities  markets, there  might be
increased  participation   by  speculators   in   the  Futures   markets.   This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage, "program trading"  and other  investment strategies  might result  in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options  on Futures Contracts are similar to options on securities or currencies
except that options on Futures Contracts give the purchaser the right, in return
for the  premium paid,  to  assume a  position in  a  Futures Contract  (a  long
position if the option is a call and a short position if the option is a put) at
a  specified exercise price  at any time  during the period  of the option. Upon
exercise of the option, the  delivery of the Futures  position by the writer  of
the  option to the holder  of the option will be  accompanied by delivery of the
accumulated balance in the writer's Futures margin account, which represents the
amount by which the market price  of the Futures Contract, at exercise,  exceeds
(in  the case of  a call) or  is less than (in  the case of  a put) the exercise
price of the option on  the Futures Contract. If an  option is exercised on  the
last trading day prior to the expiration date of the option, the settlement will
be  made entirely in cash equal to  the difference between the exercise price of
the option and  the closing level  of the securities,  currencies or index  upon
which  the  Futures Contract  is  based on  the  expiration date.  Purchasers of
options who fail to exercise their options  prior to the exercise date suffer  a
loss of the premium paid.
 
The  purchase of  call options  on Futures can  serve as  a long  hedge, and the
purchase of put  options on Futures  can serve  as a short  hedge. Writing  call
options  on Futures can serve as a  limited short hedge, and writing put options
on Futures can serve as a limited  long hedge, using a strategy similar to  that
used for writing options on securities, foreign currencies or indices.
 
If a Theme Portfolio writes an option on a Futures Contract, it will be required
to  deposit initial  and variation  margin pursuant  to requirements  similar to
those applicable to Futures Contracts. Premiums received from the writing of  an
option on a Futures Contract are included in the initial margin deposit.
 
A  Theme Portfolio may seek to close out an option position by selling an option
covering the  same Futures  Contract  and having  the  same exercise  price  and
expiration  date.  The ability  to  establish and  close  out positions  on such
options is subject to the maintenance of a liquid secondary market.
 
LIMITATIONS ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS  ON
CURRENCIES
   
To  the extent that a Theme Portfolio  enters into Futures Contracts, options on
Futures Contracts, and options on foreign currencies traded on a  CFTC-regulated
exchange,  in each case other than for BONA FIDE hedging purposes (as defined by
the CFTC), the aggregate initial margin and premiums required to establish those
positions (excluding the amount  by which options  are "in-the-money") will  not
exceed  5% of the  liquidation value of  the Theme Portfolio,  after taking into
account unrealized  profits and  unrealized losses  on any  contracts the  Theme
Portfolio  has entered into. In general, a  call option on a Futures Contract is
"in-the-money" if  the value  of  the underlying  Futures Contract  exceeds  the
strike, I.E., exercise, price of the call; a put option on a Futures Contract is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of the put. This guideline may be modified by the Company's and
the Portfolio's Board of  Trustees, as applicable,  without a shareholder  vote.
This  limitation does not limit the percentage  of a Theme Portfolio's assets at
risk to 5%.
    
 
FORWARD CONTRACTS
A Forward Contract is an obligation, usually arranged with a commercial bank  or
other  currency dealer, to purchase or  sell a currency against another currency
at a future  date and price  as agreed upon  by the parties.  A Theme  Portfolio
either  may  accept or  make delivery  of the  currency at  the maturity  of the
Forward Contract. A Theme Portfolio may  also, if its contra party agrees  prior
to  maturity, enter into a closing transaction involving the purchase or sale of
an offsetting contract.
 
A Theme Portfolio engages in  forward currency transactions in anticipation  of,
or  to protect itself against, fluctuations in exchange rates. A Theme Portfolio
might sell a  particular foreign currency  forward, for example,  when it  holds
bonds  denominated  in  a foreign  currency  but  anticipates, and  seeks  to be
protected against, a decline in the currency against the U.S. dollar. Similarly,
a Theme  Portfolio  might sell  the  U.S. dollar  forward  when it  holds  bonds
denominated in U.S.
 
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                             GT GLOBAL THEME FUNDS
dollars  but anticipates, and  seeks to be  protected against, a  decline in the
U.S. dollar  relative to  other  currencies. Further,  a Theme  Portfolio  might
purchase  a currency forward to "lock in" the price of securities denominated in
that currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any  stage  for  trades.  Each  Theme Portfolio  will  enter  into  such Forward
Contracts with major U.S. or foreign banks and securities or currency dealers in
accordance with guidelines approved by the Portfolios' or the Company's Board of
Trustees, as applicable.
    
 
A Theme  Portfolio may  enter  into Forward  Contracts  either with  respect  to
specific  transactions  or with  respect to  overall  investments of  that Theme
Portfolio. The precise matching of the Forward Contract amounts and the value of
specific securities generally will not be  possible because the future value  of
such  securities in  foreign currencies will  change as a  consequence of market
movements in the value of those securities between the date the Forward Contract
is entered into and the  date it matures. Accordingly,  it may be necessary  for
that  Theme Portfolio to purchase additional foreign currency on the spot (I.E.,
cash) market (and bear the expense of such purchase) if the market value of  the
security  is less  than the  amount of foreign  currency the  Theme Portfolio is
obligated to deliver and  if a decision  is made to sell  the security and  make
delivery of the foreign currency. Conversely, it may be necessary to sell on the
spot  market some of  the foreign currency  the Theme Portfolio  is obligated to
deliver. The projection  of short-term  currency market  movements is  extremely
difficult,  and the  successful execution  of a  short-term hedging  strategy is
highly uncertain. Forward Contracts involve  the risk that anticipated  currency
movements will not be predicted accurately, causing a Theme Portfolio to sustain
losses on these contracts and transaction costs.
 
At  or before the maturity of a  Forward Contract requiring a Theme Portfolio to
sell a currency, that  Theme Portfolio either  may sell a  security and use  the
sale proceeds to make delivery of the currency or retain the security and offset
its  contractual  obligation  to deliver  the  currency by  purchasing  a second
contract pursuant to which the Theme Portfolio will obtain, on the same maturity
date, the  same  amount  of  the  currency that  it  is  obligated  to  deliver.
Similarly,  a Theme Portfolio may  close out a Forward  Contract requiring it to
purchase a specified currency by entering into a second contract, if its  contra
party  agrees, entitling it to sell the same  amount of the same currency on the
maturity date of the first contract. A  Theme Portfolio would realize a gain  or
loss  as a  result of  entering into such  an offsetting  Forward Contract under
either circumstance  to  the extent  the  exchange  rate or  rates  between  the
currencies  involved moved between the execution dates of the first contract and
the offsetting contract.
 
The cost  to a  Theme Portfolio  of engaging  in Forward  Contracts varies  with
factors  such as the currencies involved, the  length of the contract period and
the market conditions  then prevailing.  Because Forward  Contracts are  usually
entered  into on a principal basis, no fees or commissions are involved. The use
of Forward  Contracts does  not  eliminate fluctuations  in  the prices  of  the
underlying  securities a Theme Portfolio owns or intends to acquire, but it does
establish a rate  of exchange in  advance. In addition,  while Forward  Contract
sales  limit  the risk  of loss  due to  a decline  in the  value of  the hedged
currencies, they also  limit any  potential gain  that might  result should  the
value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
A  Theme Portfolio  may use  options on  foreign currencies,  Futures on foreign
currencies, options on Futures  on foreign currencies  and Forward Contracts  to
hedge  against movements in  the values of  the foreign currencies  in which the
Theme Portfolio's securities are denominated.  Such currency hedges can  protect
against  price movements in a security that  the Theme Portfolio owns or intends
to acquire that  are attributable to  changes in  the value of  the currency  in
which  it is  denominated. Such  hedges do  not, however,  protect against price
movements in the securities that are attributable to other causes.
 
   
A Theme  Portfolio  might seek  to  hedge against  changes  in the  value  of  a
particular  currency  when  no  Futures  Contract,  Forward  Contract  or option
involving that currency is available or one of such contracts is more  expensive
than  certain  other contracts.  In such  cases, the  Theme Portfolio  may hedge
against price movements in that currency by entering into a contract on  another
currency  or basket of currencies, the  values of which the Sub-adviser believes
will have a positive correlation to the value of the currency being hedged.  The
risk  that movements in the  price of the contract  will not correlate perfectly
with movements in the price of the currency being hedged is magnified when  this
strategy is used.
    
 
The  value of Futures Contracts, options on Futures Contracts, Forward Contracts
and options  on  foreign currencies  depends  on  the value  of  the  underlying
currency  relative  to the  U.S. dollar.  Because foreign  currency transactions
occurring in the  interbank market  might involve  substantially larger  amounts
than  those  involved in  the  use of  Futures  Contracts, Forward  Contracts or
options, the Theme Portfolio  could be disadvantaged by  dealing in the odd  lot
market
 
                  Statement of Additional Information Page 13
<PAGE>
                             GT GLOBAL THEME FUNDS
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying foreign currencies at prices that  are less favorable than for  round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or  any  regulatory requirements  that quotations  available through  dealers or
other market sources be firm or revised on a timely basis. Quotation information
generally is representative of very  large transactions in the interbank  market
and  thus  might not  reflect  odd-lot transactions  where  rates might  be less
favorable.  The   interbank  market   in  foreign   currencies  is   a   global,
round-the-clock  market. To the  extent the U.S. options  or Futures markets are
closed while the markets for the underlying currencies remain open,  significant
price  and rate movements might take place in the underlying markets that cannot
be reflected in  the markets  for the Futures  contracts or  options until  they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies  might  be required  to  take place  within  the country  issuing the
underlying currency. Thus, the  Theme Portfolio might be  required to accept  or
make  delivery of the underlying foreign currency in accordance with any U.S. or
foreign regulations regarding the maintenance of foreign banking arrangements by
U.S. residents  and  might  be required  to  pay  any fees,  taxes  and  charges
associated with such delivery assessed in the issuing country.
 
COVER
Transactions  using Forward Contracts, Futures Contracts and options (other than
options purchased  by  a Theme  Portfolio)  expose  the Theme  Portfolio  to  an
obligation  to another  party. A  Theme Portfolio will  not enter  into any such
transactions unless it  owns either  (1) an offsetting  ("covered") position  in
securities,   currencies,  or  other  options,   Forward  Contracts  or  Futures
Contracts, or (2) cash, receivables and short-term debt securities with a  value
sufficient  at  all times  to  cover its  potential  obligations not  covered as
provided in (1)  above. Each  Theme Portfolio  will comply  with SEC  guidelines
regarding  cover for  these instruments and,  if the guidelines  so require, set
aside cash or liquid securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of a Theme Portfolio's assets is used for cover or otherwise set aside, it could
affect portfolio management or the Theme Portfolio's ability to meet  redemption
requests or other current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
   
Each  Theme  Portfolio  may invest  up  to 15%  of  its net  assets  in illiquid
securities. Securities may be  considered illiquid if  a Theme Portfolio  cannot
reasonably expect within seven days to sell the securities for approximately the
amount  at which  that Theme Portfolio  values such  securities. See "Investment
Limitations." The  sale of  illiquid securities,  if they  can be  sold at  all,
generally  will  require more  time and  result in  higher brokerage  charges or
dealer discounts  and  other selling  expenses  than  will the  sale  of  liquid
securities  such as securities eligible for trading on U.S. securities exchanges
or in OTC markets.  Moreover, restricted securities, which  may be illiquid  for
purposes  of  this limitation,  often sell,  if at  all, at  a price  lower than
similar securities that are not subject to restrictions on resale.
    
 
Illiquid securities include those that are subject to restrictions contained  in
the  securities laws  of other  countries. However,  securities that  are freely
marketable in the country  where they are principally  traded, but would not  be
freely  marketable in the United States,  will not be considered illiquid. Where
registration is required, a Theme Portfolio may be obligated to pay all or  part
of  the registration expenses  and a considerable period  may elapse between the
time of the decision to sell and  the time the Theme Portfolio may be  permitted
to  sell a security under an effective registration statement. If, during such a
period, adverse market  conditions were  to develop, the  Theme Portfolio  might
obtain a less favorable price than prevailed when it decided to sell.
 
Not   all  restricted  securities   are  illiquid.  In   recent  years  a  large
institutional  market  has  developed  for  certain  securities  that  are   not
registered  under the Securities Act of 1933, as amended ("1933 Act"), including
private placements, repurchase agreements, commercial paper, foreign  securities
and corporate bonds and notes. These instruments are often restricted securities
because  the  securities are  sold in  transactions not  requiring registration.
Institutional investors generally will not
 
                  Statement of Additional Information Page 14
<PAGE>
                             GT GLOBAL THEME FUNDS
seek to sell  these instruments to  the general public,  but instead will  often
depend  either on an  efficient institutional market  in which such unregistered
securities can be readily resold or on an issuer's ability to honor a demand for
repayment. Therefore, the fact that there are contractual or legal  restrictions
on  resale to the general  public or certain institutions  is not dispositive of
the liquidity of such investments.
 
Rule 144A under the 1933 Act  establishes a "safe harbor" from the  registration
requirements  of the  1933 Act  for resales  of certain  securities to qualified
institutional buyers.  Institutional  markets  for  restricted  securities  have
developed  as a result of Rule 144A, providing both readily ascertainable values
for restricted securities and the ability to liquidate an investment to  satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance  and  settlement of  unregistered securities  of domestic  and foreign
issuers, such as  the PORTAL  System sponsored  by the  National Association  of
Securities  Dealers,  Inc.  An insufficient  number  of  qualified institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
a Theme Portfolio,  however, could  affect adversely the  marketability of  such
portfolio  securities and the Theme Portfolio might be unable to dispose of such
securities promptly or at favorable prices.
 
   
With respect  to  liquidity determinations  generally,  the Portfolios'  or  the
Company's  Board of Trustees, as applicable, has the ultimate responsibility for
determining  whether  specific   securities,  including  restricted   securities
pursuant to Rule 144A under the 1933 Act, are liquid or illiquid. Each Board has
delegated  the function of making day-to-day  determinations of liquidity to the
Sub-adviser,  in  accordance  with  procedures  approved  by  that  Board.   The
Sub-adviser  takes  into  account  a number  of  factors  in  reaching liquidity
decisions, including, but not  limited to, (i) the  frequency of trading in  the
security;  (ii) the number of  dealers that make quotes  for the security; (iii)
the number of dealers  that have undertaken  to make a  market in the  security;
(iv)  the  number of  other  potential purchasers;  and  (v) the  nature  of the
security and  how  trading  is effected  (e.g.,  the  time needed  to  sell  the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser monitors the liquidity  of securities held  by each Theme  Portfolio
and periodically reports such determinations to the Portfolios' or the Company's
Board  of Trustees, as applicable. If  the liquidity percentage restriction of a
Theme Portfolio is satisfied at the time of investment, a later increase in  the
percentage  of illiquid securities held by  the Theme Portfolio resulting from a
change in  market  value or  assets  will not  constitute  a violation  of  that
restriction.  If  as  a  result of  a  change  in market  value  or  assets, the
percentage of illiquid securities  held by the  Theme Portfolio increases  above
the  applicable limit, the Sub-adviser will  take appropriate steps to bring the
aggregate amount of illiquid  assets back within  the prescribed limitations  as
soon   as  reasonably  practicable,  taking  into  account  the  effect  of  any
disposition on the Theme Portfolio.
    
 
FOREIGN SECURITIES
    POLITICAL, SOCIAL AND  ECONOMIC RISKS. Investing  in securities of  non-U.S.
companies may entail additional risks due to the potential political, social and
economic  instability  of  certain  countries and  the  risks  of expropriation,
nationalization, confiscation  or  the  imposition of  restrictions  on  foreign
investment convertibility of currencies into U.S. dollars and on repatriation of
capital  invested. In the event of  such expropriation, nationalization or other
confiscation by any country, a Theme Portfolio could lose its entire  investment
in any such country.
 
    RELIGIOUS,  POLITICAL AND ETHNIC  INSTABILITY. Certain countries  in which a
Theme Portfolio may invest  may have groups that  advocate radical religious  or
revolutionary  philosophies or  support ethnic independence.  Any disturbance on
the  part  of  such  individuals  could  carry  the  potential  for   widespread
destruction  or  confiscation  of  property owned  by  individuals  and entities
foreign to  such  country  and could  cause  the  loss of  a  Theme  Portfolio's
investment  in those  countries. Instability may  also result  from, among other
things: (i) authoritarian governments or  military involvement in political  and
economic    decision-making,   including    changes   in    government   through
extra-constitutional means;  (ii) popular  unrest  associated with  demands  for
improved  political, economic and social conditions; and (iii) hostile relations
with neighboring  or  other  countries.  Such  political,  social  and  economic
instability  could  disrupt the  principal financial  markets  in which  a Theme
Portfolio invests and adversely affect the value of a Theme Portfolio's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial  restrictions on investments in  their capital markets, particularly
their equity  markets, by  foreign entities  such as  a Theme  Portfolio.  These
restrictions  or controls may at times  limit or preclude investments in certain
securities and may  increase the  cost and expenses  of a  Theme Portfolio.  For
example,   certain   countries  require   prior  governmental   approval  before
investments by  foreign  persons  may  be  made, or  may  limit  the  amount  of
investment by foreign persons in a particular company or limit the investment by
foreign  persons to only  a specific class  of securities of  a company that may
have less  advantageous  terms than  securities  of the  company  available  for
purchase  by nationals. Moreover, the national policies of certain countries may
restrict investment opportunities in issuers  or industries deemed sensitive  to
national  interests. In  addition, some countries  require governmental approval
for the repatriation of investment income, capital or the proceeds of securities
sales by  foreign investors.  In addition,  if  there is  a deterioration  in  a
country's balance of payments or for other reasons, a
 
                  Statement of Additional Information Page 15
<PAGE>
                             GT GLOBAL THEME FUNDS
country  may impose restrictions on foreign  capital remittances abroad. A Theme
Portfolio could be adversely affected by delays  in, or a refusal to grant,  any
required  governmental approval for repatriation, as  well as by the application
to it of other restrictions on investments.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION. Foreign companies are subject to accounting, auditing and  financial
standards  and requirements that differ, in some cases significantly, from those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing on the  financial statements  of such a  company may  not reflect  its
financial  position or results of operations in  the way they would be reflected
had such financial statements  been prepared in  accordance with U.S.  generally
accepted  accounting principles. Most of the  foreign securities held by a Theme
Portfolio will  not be  registered with  the SEC  or regulators  of any  foreign
country,  nor  will  the  issuers  thereof be  subject  to  the  SEC's reporting
requirements. Thus, there  will be  less available  information concerning  most
foreign  issuers  of securities  held  by a  Theme  Portfolio than  is available
concerning U.S.  issuers. In  instances  where the  financial statements  of  an
issuer  are  not deemed  to reflect  accurately the  financial situation  of the
issuer, the Sub-adviser  will take  appropriate steps to  evaluate the  proposed
investment,  which may include on-site inspection of the issuer, interviews with
its  management   and  consultations   with  accountants,   bankers  and   other
specialists.  There is  substantially less publicly  available information about
foreign companies  than  there are  reports  and ratings  published  about  U.S.
companies  and the  U.S. government.  In addition,  where public  information is
available, it may be less reliable than such information regarding U.S. issuers.
Issuers of securities in foreign jurisdictions are generally not subject to  the
same  degree of regulation as  are U.S. issuers with  respect to such matters as
restrictions on market  manipulation, insider trading  rules, shareholder  proxy
requirements and timely disclosure of information.
    
 
    CURRENCY   FLUCTUATIONS.   Because  each   Theme  Portfolio,   under  normal
circumstances, will invest  a substantial  portion of  its total  assets in  the
securities  of foreign issuers which are  denominated in foreign currencies, the
strength or weakness  of the U.S.  dollar against such  foreign currencies  will
account for part of a Theme Portfolio's investment performance. A decline in the
value of any particular currency against the U.S. dollar will cause a decline in
the  U.S. dollar value of that Theme Portfolio's holdings of securities and cash
denominated in such currency  and, therefore, will cause  an overall decline  in
the appropriate Fund's net asset value and any net investment income and capital
gains  derived  from  such  securities  to be  distributed  in  U.S.  dollars to
shareholders of that Fund. Moreover, if  the value of the foreign currencies  in
which  a Theme Portfolio receives  its income falls relative  to the U.S. dollar
between receipt of the income and  the making of Theme Portfolio  distributions,
the  Theme Portfolio may  be required to  liquidate securities in  order to make
distributions if the Theme  Portfolio has insufficient cash  in U.S. dollars  to
meet distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors, including the  supply and demand for particular  currencies,
central  bank efforts to support particular currencies, the relative movement of
interest rates, and  pace of business  activity in the  other countries and  the
United  States, and other economic and  financial conditions affecting the world
economy.
 
Although each Theme Portfolio values its assets daily in terms of U.S.  dollars,
the  Portfolios do  not intend to  convert their holdings  of foreign currencies
into U.S. dollars  on a daily  basis. Each Portfolio  will do so,  from time  to
time,  and  investors  should be  aware  of  the costs  of  currency conversion.
Although foreign exchange dealers  do not charge a  fee for conversion, they  do
realize  a profit based on the difference ("spread") between the prices at which
they buy and sell various currencies. Thus, a dealer may offer to sell a foreign
currency to a Portfolio at  one rate, while offering  a lesser rate of  exchange
should a Portfolio desire to sell that currency to the dealer.
 
   
    ADVERSE  MARKET CHARACTERISTICS. Securities  of many foreign  issuers may be
less liquid and their  prices more volatile than  securities of comparable  U.S.
issuers.  In  addition, foreign  securities  markets and  brokers  generally are
subject to  less governmental  supervision  and regulation  than in  the  United
States,  and  foreign  securities  transactions  usually  are  subject  to fixed
commissions, which  generally are  higher than  negotiated commissions  on  U.S.
transactions.  In addition,  foreign securities  transactions may  be subject to
difficulties associated  with the  settlement of  such transactions.  Delays  in
settlement  could result in  temporary periods when assets  of a Theme Portfolio
are uninvested  and  no return  is  earned thereon.  The  inability of  a  Theme
Portfolio  to make intended security purchases  due to settlement problems could
cause  that  Theme  Portfolio  to  miss  attractive  investment   opportunities.
Inability  to dispose of a portfolio  security due to settlement problems either
could result in  losses to that  Theme Portfolio due  to subsequent declines  in
value  of the portfolio security or, if  that Theme Portfolio has entered into a
contract to  sell  the security,  could  result  in possible  liability  to  the
purchaser.  The Sub-adviser will consider such difficulties when determining the
allocation of  a Theme  Portfolio's assets,  although the  Sub-adviser does  not
believe  that such difficulties will  have a material adverse  effect on a Theme
Portfolio's portfolio trading activities.
    
 
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                             GT GLOBAL THEME FUNDS
 
Each Theme Portfolio  may use  foreign custodians,  which may  involve risks  in
addition  to those  related to  its use of  U.S. custodians.  Such risks include
uncertainties relating  to determining  and monitoring  the foreign  custodian's
financial  strength, reputation and standing; maintaining appropriate safeguards
concerning that  Theme Portfolio's  investments;  and possible  difficulties  in
obtaining and enforcing judgments against such custodians.
 
    WITHHOLDING TAXES. Each Theme Portfolio's net investment income from foreign
issuers  may be  subject to withholding  taxes by the  foreign issuer's country,
thereby reducing that Theme  Portfolio's net investment  income or delaying  the
receipt of income when those taxes may be recaptured. See "Taxes."
 
    CONCENTRATION. To the extent a Theme Portfolio invests a significant portion
of its assets in securities of issuers located in a particular country or region
of  the world, such Portfolio may be subject to greater risks and may experience
greater volatility than a fund that is more broadly diversified geographically.
 
   
    SPECIAL CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The  countries
that  are members of the European Economic Community ("Common Market") (Belgium,
Denmark, France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg,  Netherlands,
Portugal,  Spain, and the United Kingdom)  eliminated certain import tariffs and
quotas and  other trade  barriers with  respect  to one  another over  the  past
several  years. The Sub-adviser  believes that this  deregulation should improve
the prospects  for economic  growth in  many Western  European countries.  Among
other  things, the deregulation could enable  companies domiciled in one country
to avail  themselves  of lower  labor  costs  existing in  other  countries.  In
addition,  this deregulation could benefit companies domiciled in one country by
opening additional  markets for  their goods  and services  in other  countries.
Since,  however, it is not  clear what the exact form  or effect of these Common
Market reforms  will be  on business  in  Western Europe,  it is  impossible  to
predict  the long-term  impact of  the implementation  of these  programs on the
securities owned by a Theme Portfolio.
    
 
    SPECIAL CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN  COUNTRIES.
Investing  in Russia  and Eastern European  countries involves a  high degree of
risk and special considerations not  typically associated with investing in  the
United  States securities markets, and  should be considered highly speculative.
Such risks include: (1)  delays in settling portfolio  transactions and risk  of
loss  arising out of the system of  share registration and custody; (2) the risk
that it may be impossible  or more difficult than  in other countries to  obtain
and/or  enforce a  judgement; (3) pervasiveness  of corruption and  crime in the
economic system; (4) currency exchange rate volatility and the lack of available
currency hedging instruments; (5) higher rates of inflation (including the  risk
of   social  unrest  associated  with   periods  of  hyper-inflation)  and  high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign investors and limitations on  repatriation of invested capital,  profits
and  dividends, and on  a fund's ability  to exchange local  currencies for U.S.
dollars; (7) political instability and social unrest and violence; (8) the  risk
that  the governments of Russia and Eastern European countries may decide not to
continue to support the economic reform programs implemented recently and  could
follow  radically different political and/or  economic policies to the detriment
of investors,  including non-market-oriented  policies such  as the  support  of
certain  industries at the expense of other sectors or investors, or a return to
the centrally planned economy that existed  when such countries had a  communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of  international trade; (11)  the risk that  the tax system  in these countries
will not  be reformed  to prevent  inconsistent, retroactive  and/or  exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly  since 1990. The general government position has deteriorated as a
result of weakening economic  growth and stimulative  measures taken to  support
economic  activity and to  restore financial stability.  Although the decline in
interest  rates  and  fiscal  stimulation   packages  have  helped  to   contain
recessionary  forces, uncertainties remain. Japan is also heavily dependent upon
international trade, so its  economy is especially  sensitive to trade  barriers
and  disputes.  Japan has  had difficult  relations  with its  trading partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible that  trade sanctions  and other  protectionist measures  could  impact
Japan adversely in both the short and the long term.
 
The  common  stocks  of many  Japanese  companies trade  at  high price-earnings
ratios. Differences  in accounting  methods  make it  difficult to  compare  the
earnings  of  Japanese companies  with those  of  companies in  other countries,
especially in the  U.S. In  general, however, reported  net income  in Japan  is
understated  relative to  U.S. accounting standards  and this is  one reason why
price-earnings  ratios  of  the  stocks   of  Japanese  companies  have   tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally  been lower than  in the  U.S., both of
which factors tend to result in  lower discount rates and higher  price-earnings
ratios in Japan than in the U.S.
 
                  Statement of Additional Information Page 17
<PAGE>
                             GT GLOBAL THEME FUNDS
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
Jurisdictional  disputes  also exist  between South  Korea  and North  Korea. In
addition, the  Theme Portfolios  may  invest in  Hong  Kong, which  reverted  to
Chinese  Administration on July 1, 1997. Investments in Hong Kong may be subject
to expropriation, national,  nationalization or  confiscation, in  which case  a
Theme  Portfolio could lose its entire investment in Hong Kong. In addition, the
reversion of Hong Kong also  presents a risk that the  Hong Kong dollar will  be
devalued  and a  risk of  possible loss  of investor  confidence in  Hong Kong's
currency, stock market and assets.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American  countries have experienced substantial,  and in some periods extremely
high, rates of  inflation for many  years. Inflation and  rapid fluctuations  in
inflation  rates have had and may continue  to have very negative effects on the
economies and securities  markets of certain  Latin American countries.  Certain
Latin  American countries are also among the largest debtors to commercial banks
and foreign governments. At times certain Latin American countries have declared
moratoria on  the payment  of principal  and/or interest  on external  debt.  In
addition,  certain  Latin  American  securities  markets  have  experienced high
volatility in recent years.
 
Latin American countries may  also close certain sectors  of their economies  to
equity  investments  by foreigners.  Further due  to  the absence  of securities
markets and  publicly  owned corporations  and  due to  restrictions  on  direct
investment  by foreign entities,  investments may only be  made in certain Latin
American  countries  solely   or  primarily   through  governmentally   approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at  artificial levels to the U.S. dollar rather than at levels determined by the
market. This type  of system can  lead to  sudden and large  adjustments in  the
currency  which, in turn, can  have a disruptive and  negative effect on foreign
investors. For example, in late  1994, the value of  the Mexican peso lost  more
than one-third of its value relative to the U.S. dollar.
 
    SPECIAL   CONSIDERATIONS  AFFECTING  EMERGING   MARKETS.  Investing  in  the
securities of companies in emerging markets may entail special risks relating to
potential political and  economic instability  and the  risks of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility of currencies into  U.S. dollars and on  repatriation
of  capital invested.  In the  event of  such expropriation,  nationalization or
other confiscation  by any  country, a  Theme Portfolio  could lose  its  entire
investment in any such country.
 
Emerging  securities  markets are  substantially  smaller, less  developed, less
liquid and more volatile than the major securities markets. The limited size  of
emerging securities markets and limited trading value in issuers compared to the
volume  of  trading in  U.S. securities  could  cause prices  to be  erratic for
reasons apart  from factors  that  affect the  quality  of the  securities.  For
example, limited market size may cause prices to be unduly influenced by traders
who  control  large  positions. Adverse  publicity  and  investors' perceptions,
whether or  not  based on  fundamental  analysis,  may decrease  the  value  and
liquidity  of portfolio  securities, especially  in these  markets. In addition,
securities traded in certain emerging markets may be subject to risks due to the
inexperience of financial intermediaries, a lack of modern technology, the  lack
of  a sufficient capital base to expand business operations, and the possibility
of permanent or temporary termination of trading.
 
Settlement mechanisms in emerging securities  markets may be less efficient  and
reliable  than in more developed markets.  In such emerging securities there may
be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and  may  continue to  have  negative effects  on  the economies  and securities
markets of certain emerging market countries.
 
                  Statement of Additional Information Page 18
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
FEEDER FUNDS
The Financial Services  Fund, Infrastructure  Fund, Natural  Resources Fund  and
Consumer   Products  and  Services  Fund  each  has  the  following  fundamental
investment policy to enable  it to invest in  the Financial Services  Portfolio,
Infrastructure  Portfolio, Natural Resources Portfolio and Consumer Products and
Services Portfolio, respectively:
 
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
 
   
All other fundamental  investment policies, and  the non-fundamental  investment
policies,  of each  Feeder Fund and  its corresponding  Portfolio are identical.
Therefore, although  the following  discusses the  investment policies  of  each
Portfolio  and its Board of Trustees, it applies equally to each Feeder Fund and
its Board of Trustees.
    
 
Each Portfolio has adopted the  following investment limitations as  fundamental
policies  that (unless otherwise  noted) may not be  changed without approval by
the affirmative  vote  of the  lesser  of (i)  67%  of that  Portfolio's  voting
securities  represented at a meeting  at which more than  50% of its outstanding
voting securities are  represented, or  (ii) more  than 50%  of its  outstanding
voting  securities. Whenever a Feeder  Fund is requested to  vote on a change in
the investment limitations of its corresponding Portfolio, the Fund will hold  a
meeting  of  its shareholders  and  will cast  its  votes as  instructed  by its
shareholders.
 
No Portfolio may:
 
   
        (1) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in real  estate and  investments in mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Portfolio  may  exercise  rights  under  agreements  relating  to  such
    securities, including the right  to enforce security  interests and to  hold
    real  estate acquired by  reason of such enforcement  until that real estate
    can be liquidated in an orderly manner;
    
 
   
        (2) Purchase  or  sell  physical  commodities,  but  the  Portfolio  may
    purchase, sell or enter into financial options and futures, forward and spot
    currency  contracts,  swap  transactions and  other  financial  contracts or
    derivative instruments;
    
 
   
        (3) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the  Portfolio might be considered an underwriter
    under the  federal securities  laws in  connection with  its disposition  of
    portfolio securities;
    
 
   
        (4)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act  and then not  in excess of  33 1/3% of  the Portfolio's  total
    assets  (including the  amount borrowed but  reduced by  any liabilities not
    constituting borrowings)  at the  time  of the  borrowing, except  that  the
    Portfolio  may  borrow up  to  an additional  5%  of its  total  assets (not
    including the amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6) Purchase securities of any one issuer if, as a result, more than  5%
    of  the Portfolio's  total assets  would be  invested in  securities of that
    issuer or the Portfolio would own or  hold more than 10% of the  outstanding
    voting  securities of that issuer, except that  up to 25% of the Portfolio's
    total assets may be invested without  regard to this limitation, and  except
    that  this limitation does  not apply to securities  issued or guaranteed by
    the U.S.  government, its  agencies or  instrumentalities or  to  securities
    issued by other investment companies.
    
 
The following investment policies of each Portfolio are not fundamental policies
and  may  be  changed by  vote  of  the Portfolios'  Board  of  Trustees without
shareholder approval. No Portfolio may:
 
        (1) Invest in securities of an issuer if the investment would cause  the
    Portfolio to own more than 10% of any class of securities of any one issuer;
 
                  Statement of Additional Information Page 19
<PAGE>
                             GT GLOBAL THEME FUNDS
 
        (2)  Invest  in  companies  for the  purpose  of  exercising  control or
    management;
 
        (3) Invest  more than  15% of  its net  assets in  illiquid  securities,
    including securities that are illiquid by virtue of
    the absence of a readily available market;
 
        (4)  Enter into a futures contract, an  option on a futures contract, or
    an option on foreign currency traded  on a CFTC-regulated exchange, in  each
    case  other than for BONA FIDE hedging purposes (as defined by the CFTC), if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5% of the liquidation value of the Portfolio's portfolio, after taking  into
    account  unrealized  profits  and  unrealized losses  on  any  contracts the
    Portfolio has entered into;
 
   
        (5) Make any additional  investments while borrowings  exceed 5% of  the
    Portfolio's total assets;
    
 
   
        (6)  Invest  more  than 10%  of  its  total assets  in  shares  of other
    investment companies and may not invest more than 5% of its total assets  in
    any one investment company or acquire more than 3% of the outstanding voting
    securities of any one investment company;
    
 
   
        (7)  Purchase  securities on  margin, provided  that each  Portfolio may
    obtain short-term credits as may be necessary for the clearance of purchases
    and sales of securities,  and further provided that  the Portfolio may  make
    margin deposits in connection with its use of financial options and futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments; or
    
 
   
        (8) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
Investors should refer to the Prospectus for further information with respect to
the  investment objective of each Feeder Fund,  which may not be changed without
the approval of Fund shareholders, and its corresponding Portfolio's  investment
objective,  which may be  changed without the approval  of its shareholders, and
other investment policies, techniques and limitations,  which may or may not  be
changed without shareholder approval.
 
HEALTH CARE FUND
The  Health  Care  Fund  has adopted  the  following  investment  limitations as
fundamental policies, which (unless otherwise noted) may not be changed  without
approval  by  the  affirmative vote  of  the lesser  of  (i) 67%  of  its shares
represented at a meeting at  which more than 50%  of the outstanding shares  are
represented, or (ii) more than 50% of the outstanding shares.
 
The Health Care Fund may not:
 
   
        (1)  Purchase or sell real estate, except that investments in securities
    of issuers that  invest in  real estate and  investments in  mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Health Care Fund may exercise  rights under agreements relating to  such
    securities,  including the right  to enforce security  interests and to hold
    real estate acquired by  reason of such enforcement  until that real  estate
    can be liquidated in an orderly manner;
    
 
   
        (2)  Engage in the business of underwriting securities of other issuers,
    except to  the extent  that the  Health  Care Fund  might be  considered  an
    underwriter  under  the  federal  securities  laws  in  connection  with its
    disposition of portfolio securities;
    
 
   
        (3) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (4) Purchase or sell physical commodities, but the Health Care Fund  may
    purchase, sell or enter into financial options and futures, forward and spot
    currency  contracts,  swap  transactions and  other  financial  contracts or
    derivative instruments;
    
 
   
        (5) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act and  then not in excess  of 33 1/3% of  the Health Care Fund's
    total assets (including the amount  borrowed but reduced by any  liabilities
    not  constituting borrowings) at the time  of the borrowing, except that the
    Health Care Fund may borrow up to an additional 5% of its total assets  (not
    including the amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6)  Purchase securities of any one issuer if, as a result, more than 5%
    of the Health Care  Fund's total assets would  be invested in securities  of
    that  issuer or the Health Care Fund would  own or hold more than 10% of the
    outstanding voting securities of that issuer,  except that up to 25% of  the
    Health    Care    Fund's   total    assets    may   be    invested   without
    
 
                  Statement of Additional Information Page 20
<PAGE>
                             GT GLOBAL THEME FUNDS
   
    regard to this limitation, and except that this limitation does not apply to
    securities issued  or guaranteed  by the  U.S. government,  its agencies  or
    instrumentalities or to securities issued by other investment companies.
    
 
   
Notwithstanding  any other investment policy of the Health Care Fund, the Health
Care Fund  may  invest  all  of its  investable  assets  (cash,  securities  and
receivables  related to securities) in an open-end management investment company
having substantially the same investment objective, policies and limitations  as
the Fund.
    
 
   
The  following investment policies  of the Health Care  Fund are not fundamental
policies and may be changed by vote of the Health Care Fund's Board of  Trustees
without shareholder approval. The Health Care Fund will not:
    
 
   
        (1)  Purchase securities for which there is no readily available market,
    or enter into repurchase  agreements or purchase  time deposits maturing  in
    more  than seven days, or  purchase OTC options or  hold assets set aside to
    cover OTC options written by the Health Care Fund, if immediately after  and
    as  a result, the value  of such securities would  exceed, in the aggregate,
    15% of the Health Care Fund's net assets;
    
 
   
        (2) Purchase securities on  margin, provided that  the Health Care  Fund
    may  obtain  short-term credits  as may  be necessary  for the  clearance of
    purchases and sales of securities, and further provided that the Health Care
    Fund may  make margin  deposits  in connection  with  its use  of  financial
    options  and futures, forward and spot currency contracts, swap transactions
    and other financial contracts or derivative instruments; or
    
 
   
        (3) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activitie; or
    
 
   
        (4)  Make any  additional investment while  borrowings exceed  5% of the
    Portfolio's total assets.
    
 
Investors should refer to the Prospectus for further information with respect to
the Health Care Fund's  investment objective, which may  not be changed  without
the  approval of its shareholders, and other investment policies, techniques and
limitations, which may be changed without shareholder approval.
 
TELECOMMUNICATIONS FUND
The Telecommunications Fund has adopted the following investment limitations  as
fundamental  policies, which (unless otherwise noted) may not be changed without
approval by  the  affirmative vote  of  the lesser  of  (i) 67%  of  its  shares
represented  at a meeting at  which more than 50%  of the outstanding shares are
represented, or (ii) more than 50% of the outstanding shares.
 
The Telecommunications Fund may not:
 
   
        (1) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in real  estate and  investments in mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Telecommunications Fund may exercise rights under agreements relating to
    such  securities, including the  right to enforce  security interests and to
    hold real estate  acquired by  reason of  such enforcement  until that  real
    estate can be liquidated in an orderly manner;
    
 
   
        (2)  Purchase or  sell physical commodities,  but the Telecommunications
    Fund may purchase, sell or enter into financial options and futures, forward
    and spot currency contracts, swap transactions and other financial contracts
    or derivative instruments;
    
 
   
        (3) Engage in the business of underwriting securities of other  issuers,
    except to the extent that the Telecommunications Fund might be considered an
    underwriter  under  the  federal  securities  laws  in  connection  with its
    disposition of portfolio securities;
    
 
   
        (4) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act and  then not in  excess of 33  1/3% of the Telecommunications
    Fund's total  assets  (including the  amount  borrowed but  reduced  by  any
    liabilities  not  constituting borrowings)  at  the time  of  the borrowing,
    except that the Telecommunications Fund may borrow up to an additional 5% of
    its total  assets  (not including  the  amount borrowed)  for  temporary  or
    emergency purposes; or
    
 
   
        (6)  Purchase securities of any one issuer if, as a result, more than 5%
    of  the  Telecommunications  Fund's  total  assets  would  be  invested   in
    securities  of that issuer or the  Telecommunications Fund would own or hold
    more than 10% of  the outstanding voting securities  of that issuer,  except
    that up to 25% of the Telecommunications Fund's total assets may be invested
    without  regard to this limitation, and except that this limitation does not
    apply to securities
    
 
                  Statement of Additional Information Page 21
<PAGE>
                             GT GLOBAL THEME FUNDS
   
    issued  or   guaranteed   by   the  U.S.   government,   its   agencies   or
    instrumentalities or to securities issued by other investment companies.
    
 
   
Notwithstanding  any other investment policy of the Telecommunications Fund, the
Telecommunications  Fund  may  invest  all  of  its  investable  assets   (cash,
securities  and  receivables related  to securities)  in an  open-end management
investment company having substantially the same investment objective,  policies
and limitations as the Fund.
    
 
   
The  following  investment  policies  of  the  Telecommunications  Fund  are not
fundamental policies  and may  be changed  by  vote of  the Company's  Board  of
Trustees without shareholder approval. The Telecommunications Fund may not:
    
 
        (1)  Invest in securities of an issuer if the investment would cause the
    Telecommunications Fund to own more than  10% of any class of securities  of
    any one issuer;
 
        (2)  Invest  in  companies  for the  purpose  of  exercising  control or
    management;
 
        (3) Invest  more than  15% of  its net  assets in  illiquid  securities,
    including securities that are illiquid by virtue of the absence of a readily
    available market;
 
   
        (4)  Enter into a futures contract, an  option on a futures contract, or
    an option on foreign currency traded  on a CFTC-regulated exchange, in  each
    case  other than for BONA FIDE hedging purposes (as defined by the CFTC), if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5% of  the liquidation  value of  the Fund's  portfolio, after  taking  into
    account  unrealized profits and unrealized losses  on any contracts the Fund
    has entered into;
    
 
   
        (5) Make any additional  investments while borrowings  exceed 5% of  the
    Telecommunications Fund's total assets;
    
 
   
        (6)  Purchase securities on margin, provided that the Telecommunications
    Fund may obtain short-term credits as may be necessary for the clearance  of
    purchases   and  sales  of   securities,  and  further   provided  that  the
    Telecommunications Fund may make margin deposits in connection with its  use
    of  financial options and futures, forward and spot currency contracts, swap
    transactions and other financial contracts or derivative instruments; or
    
 
   
        (7) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
Investors should refer to the Prospectus for further information with respect to
the  Telecommunications Fund's  investment objective,  which may  not be changed
without the approval of shareholders, and other investment policies,  techniques
and limitations, which may be changed without shareholder approval.
 
If  a  percentage  restriction on  investment  or  utilization of  assets  in an
investment policy or  restriction is  adhered to at  the time  an investment  is
made, a later change in percentage ownership of a security or kind of securities
resulting  from changing market  values or a  similar type of  event will not be
considered a  violation  of  a  Fund's or  Portfolio's  investment  policies  or
restrictions.  A Fund or Portfolio  may exchange securities, exercise conversion
or subscription rights,  warrants or other  rights to purchase  common stock  or
other  equity securities and may hold, except  to the extent limited by the 1940
Act, any such securities so acquired without regard to the Fund's or Portfolio's
investment policies and  restrictions. The  original cost of  the securities  so
acquired  will  be  included in  any  subsequent  determination of  a  Fund's or
Portfolio's compliance with  the investment percentage  limitations referred  to
above and in the Prospectus.
 
                  Statement of Additional Information Page 22
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject  to policies established  by the Company's and  the Portfolios' Board of
Trustees, the  Sub-adviser  is  responsible  for the  execution  of  each  Theme
Portfolio's  securities  transactions and  the  selection of  broker/dealers who
execute such  transactions  on behalf  of  each Theme  Portfolio.  In  executing
transactions,  the  Sub-adviser  seeks  the  best  net  results  for  each Theme
Portfolio, taking  into  account  such  factors  as  the  price  (including  the
applicable brokerage commission or dealer spread), size of the order, difficulty
of  execution and operational facilities of the firm involved. Although the Sub-
adviser generally  seeks reasonably  competitive commission  rates and  spreads,
payment  of the lowest  commission or spread is  not necessarily consistent with
the best  net results.  While each  Theme Portfolio  may engage  in soft  dollar
arrangements  for research services, as described below, it has no obligation to
deal with  any broker/dealer  or group  of broker/dealers  in the  execution  of
portfolio transactions.
    
 
   
Consistent  with  the interests  of each  Theme  Portfolio, the  Sub-adviser may
select broker/dealers to execute that Theme Portfolio's portfolio transaction on
the basis of the research and brokerage services they provide to the Sub-adviser
for its use in  managing that Theme Portfolio  and its other advisory  accounts.
Such   services  may  include  furnishing   analyses,  reports  and  information
concerning issuers, industries, securities, geographic regions, economic factors
and trends,  portfolio  strategy, and  performance  of accounts;  and  effecting
securities  transactions and  performing functions  incidental thereto  (such as
clearance and settlement).  Research and brokerage  services received from  such
broker  are in  addition to,  and not in  lieu of,  the services  required to be
performed by  the Sub-adviser  under the  applicable investment  management  and
administration  contract. A  commission paid to  such broker may  be higher than
that which another qualified  broker would have charged  for effecting the  same
transaction,  provided that the  Sub-adviser determines in  good faith that such
commission is reasonable in terms either  of that particular transaction or  the
overall  responsibility of the Sub-adviser to  the Theme Portfolio and its other
clients and that  the total  commissions paid by  that Theme  Portfolio will  be
reasonable  in relation to the benefits it received over the long term. Research
services may also be received from dealers who execute portfolio transactions in
OTC markets.
    
 
   
The Sub-adviser may allocate brokerage  transactions to broker/dealers who  have
entered  into arrangements under which the  broker/dealer allocates a portion of
the commissions paid by a Theme  Portfolio toward payment of its expenses,  such
as custodian fees.
    
 
   
Investment  decisions for  a Theme Portfolio  and for  other investment accounts
managed by the  Sub-adviser are  made independently of  each other  in light  of
differing  conditions. However, the same investment decision occasionally may be
made for two  or more of  such accounts,  including a Theme  Portfolio. In  such
cases,  simultaneous  transactions  may  occur.  Purchases  or  sales  are  then
allocated as to price  or amount in  a manner deemed fair  and equitable to  all
accounts  involved. While in  some cases this practice  could have a detrimental
effect upon the price or  value of the security as  far as a Theme Portfolio  is
concerned,  in other  cases the Sub-adviser  believes that  coordination and the
ability to participate in volume transactions  will be beneficial to that  Theme
Portfolio.
    
 
   
Under  a policy adopted by the Company's  and the Portfolios' Board of Trustees,
and subject to the policy of obtaining the best net results, the Sub-adviser may
consider a broker/dealer's sale of the shares  of the Theme Funds and the  other
portfolios   for  which  the   Sub-adviser  serves  as   investment  manager  or
administrator  in  selecting  broker/dealers  for  the  execution  of  portfolio
transactions.  This  policy does  not imply  a  commitment to  execute portfolio
transactions through all broker/dealers that sell shares of the Theme Funds  and
such other portfolios.
    
 
Each  Theme Portfolio contemplates purchasing  most foreign equity securities in
OTC markets or stock exchanges located in the countries in which the  respective
principal  offices of the issuers of the various securities are located, if that
is the best available market. The fixed commissions paid in connection with most
such foreign stock transactions generally are higher than negotiated commissions
on U.S.  transactions.  There  generally  is  less  government  supervision  and
regulation  of foreign  stock exchanges and  brokers than in  the United States.
Foreign security settlements  may in  some instances  be subject  to delays  and
related administrative uncertainties.
 
Foreign  equity securities may be held by a Theme Portfolio in the form of ADRs,
ADSs, EDRs, CDRs or securities convertible into foreign equity securities. ADRs,
ADSs, EDRs  and  CDRs  may be  listed  on  stock exchanges,  or  traded  in  the
 
                  Statement of Additional Information Page 23
<PAGE>
                             GT GLOBAL THEME FUNDS
OTC markets in the United States or Europe, as the case may be. ADRs, like other
securities traded in the United States, will be subject to negotiated commission
rates.  The foreign and domestic debt securities and money market instruments in
which a Theme Portfolio may invest are generally traded in the OTC markets.
 
   
A Theme Portfolio does not have any obligation to deal with any broker/dealer or
group of broker/dealers in the execution of securities transactions. Each  Theme
Portfolio  contemplates that, consistent  with the policy  of obtaining the best
net results, brokerage transactions may  be conducted through certain  companies
that  are  affiliated  with  AIM  or  the  Sub-adviser.  The  Company's  or  the
Portfolios'  Board  of  Trustees,  as  applicable,  has  adopted  procedures  in
conformity  with Rule  17e-1 under  the 1940  Act to  ensure that  all brokerage
commissions paid to such  affiliates are reasonable and  fair in the context  of
the  market in which they are operating.  Any such transactions will be effected
and  related  compensation   paid  only  in   accordance  with  applicable   SEC
regulations.
    
 
   
For the fiscal years ended October 31, 1997, 1996 and 1995, the Health Care Fund
paid  aggregate brokerage  commissions of  $1,150,118, $1,619,500  and $545,743,
respectively. For the fiscal  years ended October 31,  1997, 1996 and 1995,  the
Telecommunications  Fund  paid  aggregate brokerage  commissions  of $2,254,069,
$2,848,733 and $2,253,982, respectively. For the fiscal years ended October  31,
1997,  1996 and 1995, the Financial  Services Portfolio paid aggregate brokerage
commissions of $250,893, $77,822 and $38,814, respectively. For the fiscal years
ended October  31,  1997,  1996  and 1995,  the  Infrastructure  Portfolio  paid
aggregate   brokerage   commissions   of   $131,543,   $124,164   and  $122,399,
respectively. For the fiscal  years ended October 31,  1997, 1996 and 1995,  the
Natural  Resources Portfolio paid aggregate brokerage commissions of $1,281,212,
$496,370 and $98,462, respectively. For the fiscal years ended October 31, 1997,
1996 and for the fiscal period December 30, 1994 (commencement of operations) to
October 31, 1995, the  Consumer Products and  Services Portfolio paid  aggregate
brokerage commissions of $1,454,348, $356,459 and $17,605, respectively. For the
fiscal  years ended October 31, 1997 and 1996,  the Health Care Fund paid to LGT
Bank  in  Liechtenstein   AG,  an  "affiliated"   broker,  aggregate   brokerage
commissions  of $23,081  and $32,898,  respectively, for  transactions involving
purchases and sales of portfolio  securities which represented 2.01% and  2.03%,
respectively of the total brokerage commissions paid by the Health Care Fund and
1.61%  and 1.71%, respectively,  of the aggregate  dollar amount of transactions
involving payment of commissions by the Health Care Fund. For fiscal year  ended
October 31, 1997, the Telecommunications Fund paid to LGT Bank in Liechtenstein,
AG,  an  "affiliated" broker,  aggregate brokerage  commissions of  $220,584 for
transactions  involving  purchases  and  sales  of  portfolio  securities  which
represented  1.00% of the total brokerage commissions  paid by the Fund and .67%
of the aggregate dollar amount of transactions involving payment of  commissions
by the Fund.
    
 
   
PORTFOLIO TRADING AND TURNOVER
    
Although  each Theme Portfolio does not intend generally to trade for short-term
profits, the  securities held  by that  Theme Portfolio  will be  sold  whenever
management  believes it is appropriate to do so, without regard to the length of
time a  particular security  may  have been  held.  Portfolio turnover  rate  is
calculated  by dividing the lesser of sales or purchases of portfolio securities
by  each  Theme  Portfolio's   average  month-end  portfolio  value,   excluding
short-term  investments.  The portfolio  turnover rate  will  not be  a limiting
factor when  management deems  portfolio changes  appropriate. Higher  portfolio
turnover  involves  correspondingly  greater  brokerage  commissions  and  other
transaction costs that the Theme Portfolio will bear directly, and may result in
the realization of net capital gains  that are taxable when distributed to  each
Fund's  shareholders. For the fiscal years ended  October 31, 1996 and 1997, the
Telecommunications  Fund's   portfolio  turnover   rates  were   37%  and   35%,
respectively.  For the fiscal years ended October  31, 1996 and 1997, the Health
Care Fund's portfolio turnover rates were  157% and 149%, respectively. For  the
fiscal  years ended October 31, 1996 and  1997, the portfolio turnover rates for
the Financial Services Portfolio, Infrastructure Portfolio and Natural Resources
Portfolio were 103% and 91%,  41% and 41%, and  94% and 321%, respectively.  For
the  fiscal years ended October 31, 1996  and 1997, the portfolio turnover rates
for  the  Consumer  Products  and   Services  Portfolio  were  169%  and   392%,
respectively.
 
                  Statement of Additional Information Page 24
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
                        TRUSTEES AND EXECUTIVE OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The  Company's and  the Portfolios' Trustees  and Executive  Officers are listed
below. The  term  "Trustees" as  used  below refers  to  the Company's  and  the
Portfolios' Trustees collectively.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR THE PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*    Mr.  Guilfoyle is an "interested  person" of the Company  as defined by the
    1940 Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 25
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR THE PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
 
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and Principal      1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Accounting Officer                1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Sub-adviser
Vice President                    since October 1997; Executive Vice President of the Asset Management
50 California Street              Division of Liechtenstein Global Trust since October 1996; Senior Vice
San Francisco, CA 94111           President, General Counsel and Secretary of LGT Asset Management, Inc.,
                                  Chancellor LGT, GT Global, GT Services and G.T. Insurance from May 1994
                                  to October 1996; Senior Vice President, General Counsel and Secretary of
                                  Strong/Corneliuson Management, Inc. and Secretary of each of the Strong
                                  Funds from October 1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT]
    
 
                         ------------------------------
 
   
The Board of Trustees  has a Nominating and  Audit Committee, comprised of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds and recommending firms  to serve as independent  auditors of the  Company.
Each  of the Trustees and Officers of the  Company is also a Trustee and Officer
of G.T. Investment Portfolios, GT Global Floating Rate Fund, G.T. Global  Series
Trust,  G.T. Global Growth Series, G.T.  Global Eastern Europe Fund, G.T. Global
Variable Investment  Trust,  G.T.  Global  Variable  Investment  Series,  Global
Investment  Portfolio (of which the Portfolios are subtrusts), Growth Portfolio,
Floating Rate  Portfolio  and  Global  High Income  Portfolio,  which  also  are
registered   investment  companies  advised  by   AIM  and  sub-advised  by  the
Sub-adviser. Each Trustee and Officer serves in total as a Trustee and  Officer,
respectively,  of 12 registered  investment companies with  47 series managed or
administered by AIM  and sub-advised  and sub-administered  by the  Sub-adviser.
Each  Trustee who is not  a director, officer or  employee of the Sub-adviser or
any affiliated company is paid  aggregate fees of $5,000  a year, plus $300  per
Fund  for each meeting  of the Board  attended, and reimbursed  travel and other
expenses incurred in connection with attendance at such meetings. Other Trustees
and Officers receive no compensation or expense reimbursement from the  Company.
For  the  fiscal year  ended October  31,  1997, Mr.  Anderson, Mr.  Bayley, Mr.
Patterson and Miss Quigley, who are not directors, officers or employees of  the
Sub-adviser  or any affiliated company,  received total compensation of $38,650,
$38,650, $27,850 and $38,650, respectively, from the Company for their  services
as  Trustees. For  the fiscal  year ended  October 31,  1997, Mr.  Anderson, Mr.
Bayley, Mr.  Patterson and  Miss Quigley,  who are  not directors,  officers  or
employees   of  the  Sub-adviser  or  any  affiliated  Company,  received  total
compensation of $117,304, $114,386, $88,350 and $111,688, respectively, from the
investment  companies  managed  or  administered  by  AIM  and  sub-advised  and
sub-administered  by the Sub-adviser  for which he  or she serves  as a Trustee.
Fees and expenses  disbursed to  the Trustees  contained no  accrued or  payable
pension or retirement benefits. As of January 8, 1998, the Officers and Trustees
and  their families as a group owned  in the aggregate beneficially or of record
less than 1%  of the outstanding  shares of each  Fund or of  all the  Company's
series  in the aggregate, with the exception  of the Financial Services Fund and
the Consumer Products and Services Fund.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT  MANAGEMENT AND ADMINISTRATION SERVICES  RELATING TO THE FEEDER FUNDS
AND THE PORTFOLIOS
   
AIM serves as  each Portfolio's  investment manager and  administrator under  an
Investment Management and Administration Contract between each Portfolio and AIM
("Portfolio  Management Contract").  The Sub-adviser serves  as each Portfolio's
sub-adviser and sub-administrator  under a  Sub-Advisory and  Sub-Administration
Agreement  between AIM and the Sub-adviser ("Portfolio Management Sub-Contract,"
and together with the Portfolio  Management Contract, the "Portfolio  Management
Contracts").   AIM  serves  as  administrator  to  each  Feeder  Fund  under  an
administration contract between the Company and AIM ("Administration Contract").
The Sub-adviser  serves  as  sub-administrator  to  each  Feeder  Fund  under  a
sub-administration  contract  between AIM  and the  Sub-adviser ("Administration
Sub-Contract,"   and   together   with   the   Administration   Contract,    the
"Administration  Contracts"). The  Administration Contracts  will not  be deemed
advisory contracts, as defined  under the 1940 Act.  As investment managers  and
administrators,  AIM and the Sub-adviser make  all investment decisions for each
Portfolio and, as  administrators, administer each  Portfolio's and each  Feeder
Fund's affairs. Among other things, AIM and the Sub-adviser furnish the services
and  pay  the  compensation  and  travel expenses  of  persons  who  perform the
executive, administrative, clerical and bookkeeping functions of each  Portfolio
and  each Feeder Fund and provide  suitable office space, necessary small office
equipment and utilities.
    
 
   
The Portfolio Management Contracts  may be renewed with  respect to a  Portfolio
for  additional  one-year  terms,  provided  that  any  such  renewal  has  been
specifically approved at least annually by (i) the Portfolios' Board of Trustees
or the vote of a majority  of the Portfolio's outstanding voting securities  (as
defined  in the 1940 Act) and (ii) a majority of Trustees who are not parties to
the Portfolio Management Contracts or "interested persons" of any such party (as
defined in the 1940 Act),  cast in person at a  meeting called for the  specific
purpose  of voting on such approval.  The Portfolio Management Contracts provide
that with respect to  each Portfolio, and  the Administration Contracts  provide
that  with respect to  each Feeder Fund,  either the Company,  each Portfolio or
each of AIM or the Sub-adviser may terminate the Contracts without penalty  upon
sixty  days'  written  notice  to  the  other  party.  The  Portfolio Management
Contracts terminate automatically in the  event of their assignment (as  defined
in the 1940 Act).
    
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES RELATING TO THE HEALTH CARE
FUND AND TELECOMMUNICATIONS FUND
   
AIM  serves as the investment manager and  administrator to the Health Care Fund
and Telecommunications Fund  under an Investment  Management and  Administration
Contract  ("Management Contract") between  the Company and  AIM. The Sub-adviser
serves as the  sub-adviser and  sub-administrator to  the Health  Care Fund  and
Telecommunications  Fund  under a  Sub-Advisory and  Sub-Administration Contract
between AIM and  the Sub-adviser ("Sub-Management  Contract," and together  with
the Management Contract, the "Management Contracts"). As investment managers and
administrators,  AIM and the  Sub-adviser make all  investment decisions for the
Health Care  Fund and  Telecommunications Fund  and administer  the Health  Care
Fund's  and Telecommunications Fund's  affairs. Among other  things, AIM and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of the Company and the  Health Care Fund and Telecommunications Fund,
and  provide  suitable  office  space,  necessary  small  office  equipment  and
utilities.
    
 
   
The  Management  Contracts may  be renewed  for  additional one-year  terms with
respect to the Health Care Fund  and Telecommunications Fund, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's Board of Trustees,  or by the  vote of a majority  of the Health  Care
Fund  and Telecommunications Fund's outstanding voting securities (as defined in
the 1940  Act), and  (ii) a  majority of  Trustees who  are not  parties to  the
Management  Contracts or "interested  persons" of any such  party (as defined in
the 1940 Act), cast in  person at a meeting called  for the specific purpose  of
voting  on such approval. The Management  Contracts provide that with respect to
the Health Care Fund and Telecommunications  Fund either the Company or each  of
AIM  or the Sub-adviser  may terminate the Contracts  without penalty upon sixty
days' written  notice to  the other  party. The  Management Contracts  terminate
automatically in the event of their assignment (as defined in the 1940 Act).
    
 
                  Statement of Additional Information Page 27
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
The   following  table  discloses  the   amount  of  investment  management  and
administration fees paid by the Theme  Portfolios to the Sub-adviser during  the
periods shown:
    
 
                                HEALTH CARE FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $    5,820,067
1996......................................................................................................       5,495,494
1995......................................................................................................       4,453,857
</TABLE>
 
                            TELECOMMUNICATIONS FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $   17,999,111
1996......................................................................................................      23,119,601
1995......................................................................................................      23,861,460
</TABLE>
 
                          FINANCIAL SERVICES PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $      346,965
1996......................................................................................................          99,991
1995......................................................................................................          51,353
</TABLE>
 
                            INFRASTRUCTURE PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $      772,727
1996......................................................................................................         635,456
1995......................................................................................................         601,421
</TABLE>
 
                          NATURAL RESOURCES PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $      979,215
1996......................................................................................................         425,745
1995......................................................................................................         213,856
</TABLE>
 
                    CONSUMER PRODUCTS AND SERVICES PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $    1,207,854
1996......................................................................................................         422,640
Dec. 30, 1994 (commencement of operations) to Oct. 31, 1995...............................................          16,284
</TABLE>
 
   
For the fiscal years ended October 31, 1995 and 1996, the Sub-adviser reimbursed
the   Financial  Services  Portfolio  and  Infrastructure  Portfolio  for  their
respective investment  management  and administration  fees  in the  amounts  of
$51,353 and $103,267; $0 and $0; and $213,856 and $0, respectively. For the same
periods,  the Financial Services Fund, Infrastructure Fund and Natural Resources
Fund paid  administration  fees  of $18,756,  $34,865  and  $119,765;  $208,892,
$218,735  and  $266,025;  and  $74,485,  $147,614  and  $338,578,  respectively.
However, the Sub-adviser reimbursed those Funds for such fees in the amounts  of
$18,756,  $34,865  and  $0;  $177,376,  $0  and  $0;  and  $74,485,  $0  and $0,
respectively.  For  the  fiscal  period  December  30,  1994  (commencement   of
operations) to October 31, 1995, and for the fiscal years ended October 31, 1996
and  1997,  the  Sub-adviser  reimbursed  the  Consumer  Products  and  Services
Portfolio for investment management  and administration fees  in the amounts  of
$16,284,  $0 and $0,  respectively. For the same  periods, the Consumer Products
and  Services  Fund  paid  $5,933,  $147,623  and  $416,297,  respectively,   in
administration fees; however, the Sub-adviser reimbursed the Fund in the amounts
of $5,933, $0 and $0, respectively.
    
 
DISTRIBUTION SERVICES RELATING TO EACH FUND
   
Each  Fund's Class A  and Class B  shares are offered  continuously through each
Fund's principal  underwriter  and distributor,  AIM  Distributors, on  a  "best
efforts"  basis pursuant to separate  Distribution Contracts between the Company
and AIM Distributors.
    
 
   
As described in the Prospectus, on         , 1998, the Company adopted a  Master
Distribution  Plan pursuant  to Rule  12b-1 under the  1940 Act  relating to the
Class A  shares of  each  Fund (the  "Class  A Plan").  At  the same  time,  the
    
 
                  Statement of Additional Information Page 28
<PAGE>
                             GT GLOBAL THEME FUNDS
   
Company also adopted a Master Distribution Plan pursuant to Rule 12b-1 under the
1940  Act relating  to Class  B shares  of each  Fund (the  "Class B  Plan," and
together with the Class A Plan, the "Plans"). The rate of payments by the  Funds
under  the Plans, as described  in the Prospectus, may  not be increased without
the approval  of  the majority  of  the  outstanding voting  securities  of  the
affected class.
    
 
   
BOTH  PLANS. Pursuant to  an incentive program, AIM  Distributors may enter into
agreements ("Shareholder Service Agreements")  with investment dealers  selected
from  time  to  time  by  AIM Distributors  for  the  provision  of distribution
assistance in connection  with the sale  of the Funds'  shares to such  dealers'
customers,  and for the provision of continuing personal shareholder services to
customers who may from time to time  directly or beneficially own shares of  the
Funds.  The distribution assistance and continuing personal shareholder services
to be rendered by dealers under the Shareholder Service Agreements may  include,
but  shall  not be  limited to,  the  following: distributing  sales literature;
answering routine customer inquiries  concerning the Funds; assisting  customers
in  changing  dividend  options,  account  designations  and  addresses,  and in
enrolling in any of several special investment plans offered in connection  with
the   purchase  of  the  Funds'  shares;  assisting  in  the  establishment  and
maintenance of customer accounts and records  and in the processing of  purchase
and   redemption  transactions;  investing  dividends   and  any  capital  gains
distributions automatically  in  the Funds'  shares;  and providing  such  other
information and services as the Funds or the customer may reasonably request.
    
 
   
Under  the Plans, in addition to  the Shareholder Service Agreements authorizing
payments  to  selected  dealers,  banks  may  enter  into  Shareholder   Service
Agreements authorizing payments under the Plans to be made to banks that provide
services  to  their  customers  who  have  purchased  shares.  Services provided
pursuant to Shareholder Service Agreements with banks may include some or all of
the following: answering shareholder inquiries regarding a Fund and the Company;
performing sub-accounting; establishing and maintaining shareholder accounts and
records; processing  customer purchase  and redemption  transactions;  providing
periodic  statements showing a shareholder's account balance and the integration
of such  statements  with  those  of other  transactions  and  balances  in  the
shareholder's  other  accounts  serviced  by  the  bank;  forwarding  applicable
prospectuses, proxy statements,  reports and  notices to bank  clients who  hold
Fund  shares; and  such other administrative  services as a  Fund reasonably may
request, to  the extent  permitted by  applicable statute,  rule or  regulation.
Similar  agreements  may  be permitted  under  the Plans  for  institutions that
provide recordkeeping for and administrative services to 401(k) plans.
    
 
   
Financial intermediaries and any other  person entitled to receive  compensation
for selling Fund shares may receive different compensation for selling shares of
one particular class over another.
    
 
   
Under a Shareholder Service Agreement, a Fund agrees to pay periodically fees to
selected  dealers and  other institutions who  render the  foregoing services to
their customers. The fees payable under a Shareholder Service Agreement will  be
calculated  at the end of each payment period for each business day of the Funds
during such period at the  annual rate of 0.25% of  the average daily net  asset
value  of  the  Funds'  shares  purchased  or  acquired  through  exchange. Fees
calculated in this manner shall be paid only to those selected dealers or  other
institutions  who are dealers or institutions of record at the close of business
on the last business  day of the  applicable payment period  for the account  in
which such Fund's shares are held.
    
 
   
Payments pursuant to the Plans are subject to any applicable limitations imposed
by  rules of the National Association  of Securities Dealers, Inc. ("NASD"). The
Plans conform to  rules of the  NASD by  limiting payments made  to dealers  and
other   financial  institutions  who  provide  continuing  personal  shareholder
services to their customers who purchase and own shares of the Funds to no  more
than  0.25% per annum of the average  daily net assets of the Funds attributable
to the customers of  such dealers or financial  institutions, and by imposing  a
cap on the total sales charges, including asset-based sales charges, that may be
paid by the Funds and their respective classes.
    
 
   
AIM  Distributors does not act as principal,  but rather as agent for the Funds,
in making dealer incentive and  shareholder servicing payments under the  Plans.
These payments are an obligation of the Funds and not of AIM Distributors.
    
 
                  Statement of Additional Information Page 29
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
The  following table discloses payments made by  the Theme Funds to their former
distributor, GT Global, Inc. ("GT Global") under each Fund's prior Class A  Plan
and Class B Plan for the Fund's fiscal year ended October 31, 1997:
    
 
<TABLE>
<CAPTION>
                                                                                               CLASS A        CLASS B
                                                                                             AMOUNT PAID    AMOUNT PAID
                                                                                            -------------  --------------
<S>                                                                                         <C>            <C>
Health Care Fund..........................................................................  $   2,327,631  $    1,316,284
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                               CLASS A        CLASS B
                                                                                             AMOUNT PAID    AMOUNT PAID
                                                                                            -------------  --------------
<S>                                                                                         <C>            <C>
Telecommunications Fund...................................................................  $   5,105,842  $    8,933,516
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                               CLASS A        CLASS B
                                                                                             AMOUNT PAID    AMOUNT PAID
                                                                                            -------------  --------------
<S>                                                                                         <C>            <C>
Financial Services Fund...................................................................  $      97,454  $      280,650
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                               CLASS A        CLASS B
                                                                                             AMOUNT PAID    AMOUNT PAID
                                                                                            -------------  --------------
<S>                                                                                         <C>            <C>
Infrastructure Fund.......................................................................  $     218,486  $      621,768
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                               CLASS A        CLASS B
                                                                                             AMOUNT PAID    AMOUNT PAID
                                                                                            -------------  --------------
<S>                                                                                         <C>            <C>
Natural Resources Fund....................................................................  $     291,788  $      733,200
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                               CLASS A        CLASS B
                                                                                             AMOUNT PAID    AMOUNT PAID
                                                                                            -------------  --------------
<S>                                                                                         <C>            <C>
Consumer Products and Services Fund.......................................................  $     351,953  $      941,035
</TABLE>
 
   
In  approving the Plans, the Trustees determined  that the adoption of the Plans
was in the best interests of  the shareholders of that Fund. Agreements  related
to  the Plans must  also be approved by  such vote of  the Trustees, including a
majority of Trustees who are not "interested persons" of the Company (as defined
in the 1940 Act) and who have  no direct or indirect financial interests in  the
operation of the Plans, or in any agreement related thereto.
    
 
   
Each  Plan requires  that, at least  quarterly, the Trustees  review the amounts
expended thereunder and the purposes for which such expenditures were made. Each
Plan requires that so long  as it is in effect  the selection and nomination  of
Trustees  who are not "interested  persons" of the Company  will be committed to
the discretion of the Trustees who are not "interested persons" of the  Company,
as defined in the 1940 Act.
    
 
   
As discussed in the Prospectus, AIM Distributors collects sales charges on sales
of  Class A  shares of each  Fund, retains  certain amounts of  such charges and
reallows other amounts of such charges  to broker/dealers that sell shares.  The
following  table  reviews the  extent of  such activity  during the  Health Care
Fund's last three fiscal years:
    
 
<TABLE>
<CAPTION>
                                                                            SALES CHARGES      AMOUNT         AMOUNTS
YEAR ENDED OCT. 31,                                                           COLLECTED       RETAINED       REALLOWED
- --------------------------------------------------------------------------  --------------  -------------  --------------
<S>                                                                         <C>             <C>            <C>
1997......................................................................  $      218,880  $      54,971  $      158,909
1996......................................................................         301,166         90,926         210,240
1995......................................................................         469,186         67,325         401,861
</TABLE>
 
The  following  table   reviews  the   extent  of  such   activity  during   the
Telecommunications Fund's last three fiscal years:
 
<TABLE>
<CAPTION>
                                                                            SALES CHARGES      AMOUNT         AMOUNTS
YEAR ENDED OCT. 31,                                                           COLLECTED       RETAINED       REALLOWED
- --------------------------------------------------------------------------  --------------  -------------  --------------
<S>                                                                         <C>             <C>            <C>
1997......................................................................  $      497,045  $     131,495  $      365,550
1996......................................................................         966,041        231,226         734,815
1995......................................................................       4,151,523        578,450       3,573,073
</TABLE>
 
                  Statement of Additional Information Page 30
<PAGE>
                             GT GLOBAL THEME FUNDS
 
The  following  table reviews  the  extent of  such  activity for  the Financial
Services Fund, Infrastructure Fund  and Natural Resources  Fund for each  Fund's
fiscal years ended October 31, 1997, 1996 and 1995:
<TABLE>
<CAPTION>
                                                                            SALES CHARGES      AMOUNT         AMOUNTS
YEAR ENDED OCT. 31, 1997                                                      COLLECTED       RETAINED       REALLOWED
- --------------------------------------------------------------------------  --------------  -------------  --------------
<S>                                                                         <C>             <C>            <C>
Financial Services Fund...................................................  $       84,341  $      22,263  $       62,078
Infrastructure Fund.......................................................         100,622         24,983          75,639
Natural Resources Fund....................................................         221,895         63,915         157,980
 
YEAR ENDED OCT. 31, 1996
- --------------------------------------------------------------------------
Financial Services Fund...................................................  $       23,418  $       4,721  $       18,697
Infrastructure Fund.......................................................          92,340         19,811          72,529
Natural Resources Fund....................................................         140,061         49,532          90,529
 
<CAPTION>
 
YEAR ENDED OCT. 31, 1995
- --------------------------------------------------------------------------
<S>                                                                         <C>             <C>            <C>
Financial Services Fund...................................................  $       50,104  $       6,892  $       43,212
Infrastructure Fund.......................................................         584,424         67,021         517,403
Natural Resources Fund....................................................         143,672         16,516         127,156
</TABLE>
 
The  following  table  reviews the  extent  of  such activity  for  the Consumer
Products and Services Fund for the fiscal years ended October 31, 1997, 1996 and
for the fiscal period December 30, 1994 (commencement of operations) to  October
31, 1995:
 
<TABLE>
<CAPTION>
                                                                            SALES CHARGES      AMOUNT         AMOUNTS
                                                                              COLLECTED       RETAINED       REALLOWED
                                                                            --------------  -------------  --------------
<S>                                                                         <C>             <C>            <C>
Year ended Oct. 31, 1997..................................................  $      286,139  $      85,990  $      200,149
Year ended Oct. 31, 1996..................................................         387,504        115,133         272,371
Dec. 30, 1994 to Oct. 31, 1995............................................          28,566          3,380          25,186
</TABLE>
 
   
AIM  Distributors  receives  any  contingent  deferred  sales  charges ("CDSCs")
payable with  respect to  redemptions of  Class  B shares  and certain  Class  A
shares. The following table discloses the amount of CDSCs collected by GT Global
with regard to the GT Global Theme Funds for the periods shown.
    
 
                                HEALTH CARE FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                       CDSCS COLLECTED
- --------------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                                       <C>
1997....................................................................................................   $      545,758
1996....................................................................................................          291,802
1995....................................................................................................          182,201
</TABLE>
 
                            TELECOMMUNICATIONS FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                       CDSCS COLLECTED
- --------------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                                       <C>
1997....................................................................................................   $    7,116,869
1996....................................................................................................        5,636,470
1995....................................................................................................        4,820,173
</TABLE>
 
                            FINANCIAL SERVICES FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                       CDSCS COLLECTED
- --------------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                                       <C>
1997....................................................................................................   $       81,031
1996....................................................................................................           25,023
1995....................................................................................................            7,543
</TABLE>
 
                              INFRASTRUCTURE FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                       CDSCS COLLECTED
- --------------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                                       <C>
1997....................................................................................................   $      261,619
1996....................................................................................................          243,564
1995....................................................................................................          193,268
</TABLE>
 
                  Statement of Additional Information Page 31
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             NATURAL RESOURCES FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                       CDSCS COLLECTED
- --------------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                                       <C>
1997....................................................................................................   $      417,878
1996....................................................................................................           94,094
1995....................................................................................................           73,935
</TABLE>
 
                      CONSUMER PRODUCTS AND SERVICES FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                       CDSCS COLLECTED
- --------------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                                       <C>
1997....................................................................................................   $      508,410
1996....................................................................................................           45,035
Dec. 30, 1994 (commencement of operations) to Oct. 31, 1995.............................................              986
</TABLE>
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The  Transfer  Agent, has  been  retained by  the  Funds to  perform shareholder
servicing, reporting and general  transfer agent functions  for them. For  these
services,  the Transfer Agent  receives an annual maintenance  fee of $17.50 per
account, a new account fee of $4.00 per account, a per transaction fee of  $1.75
for  all transactions other than exchanges and  a per exchange fee of $2.25. The
Transfer Agent is also  reimbursed by the Funds  for its out-of-pocket  expenses
for  such  items as  postage, forms,  telephone  charges, stationery  and office
supplies. The  Sub-adviser also  serves as  each Fund's  pricing and  accounting
agent.  For  the  fiscal  years  ended October  31,  1995,  1996  and  1997, the
accounting services  fees for  the Health  Care Fund,  Telecommunications  Fund,
Financial  Services  Fund,  Infrastructure  Fund,  Natural  Resources  Fund  and
Consumer Products  and  Services  Fund  were  $30,660,  $141,582  and  $153,780;
$170,297,  $621,480 and $493,322; $616, $3,493  and $12,292; $5,836, $21,910 and
$27,303;  $1,931,  $14,761   and  $34,698;  and   $318,  $14,778  and   $43,330,
respectively.
    
 
EXPENSES OF THE FUNDS AND OF THE PORTFOLIOS
   
Each  Fund  and  each  Portfolio  pays all  expenses  not  assumed  by  AIM, the
Sub-adviser, AIM  Distributors  and other  agents.  These expenses  include,  in
addition to the advisory, administration, distribution, transfer agency, pricing
and  accounting  agency  and brokerage  fees  discussed above,  legal  and audit
expenses, custodian fees, trustees' fees, organizational fees, fidelity bond and
other insurance premiums, taxes, extraordinary expenses and expenses of  reports
and  prospectuses sent to existing investors.  The allocation of general Company
expenses and expenses shared among the Funds and other funds organized as series
of the Company are allocated on a basis deemed fair and equitable, which may  be
based  on the  relative net  assets of the  Funds or  the nature  of the service
performed and relative applicability to the Funds. Expenditures, including costs
incurred in connection with the purchase or sale of portfolio securities,  which
are  capitalized  in accordance  with  generally accepted  accounting principles
applicable to investment companies, are accounted  for as capital items and  not
as expenses. The ratio of each Fund's expenses to its relative net assets can be
expected  to be  higher than  the expense  ratios of  funds investing  solely in
domestic securities,  since  the cost  of  maintaining the  custody  of  foreign
securities  and the rate of investment management  fees paid by the Funds or the
Portfolios generally  are higher  than  the comparable  expenses of  such  other
funds.
    
 
- --------------------------------------------------------------------------------
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
   
As  described in the Prospectus, each Fund's  net asset value per share for each
class of shares  is determined each  day on  which the New  York Stock  Exchange
("NYSE")  is  open for  business ("Business  Day")  as of  the close  of regular
trading on the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment
failure or other factors contribute to an earlier closing time). Currently,  the
NYSE  is  closed on  weekends  and on  certain  days relating  to  the following
holidays: New Year's Day, Martin Luther King Day, President's Day, Good  Friday,
Memorial Day, July 4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
Each Theme Portfolio's securities and other assets are valued as follows:
 
   
Equity  securities, including  ADRs, ADSs,  GDRs and  EDRs, which  are traded on
stock exchanges, are valued at the last sale price on the exchange on which such
securities are traded, as of the close of business on the day the securities are
being
    
 
                  Statement of Additional Information Page 32
<PAGE>
                             GT GLOBAL THEME FUNDS
   
valued or, lacking any sales,  at the last available  bid price. In cases  where
securities  are traded on more  than one exchange, the  securities are valued on
the exchange determined by the Sub-adviser to be the primary market.  Securities
traded  in the OTC market  are valued at the last  available sale price prior to
the time of valuation.
    
 
   
Long-term debt obligations are valued at  the mean of representative quoted  bid
or  asked prices for  such securities or,  if such prices  are not available, at
prices for securities of  comparable maturity, quality  and type; however,  when
the  Sub-adviser deems it appropriate, prices  obtained for the day of valuation
from a  bond pricing  service  will be  used.  Short-term debt  investments  are
amortized  to  maturity  based  on their  cost,  adjusted  for  foreign exchange
translation.
    
 
Options on indices, securities and currencies purchased by the Theme  Portfolios
are  valued at  their last bid  price in  the case of  listed options  or at the
average of the last  bid prices obtained from  dealers, unless a quotation  from
only  one dealer is  available, in which  case only that  dealer's price will be
used, in the case of OTC options. When market quotations for futures and options
on futures held by a Theme Portfolio are readily available, those positions will
be valued based upon such quotations.
 
   
Securities and  other  assets  for  which  market  quotations  are  not  readily
available (including restricted securities that are subject to limitations as to
their sale) are valued at fair value as determined in good faith by or under the
direction  of the Portfolios' or the Company's Board of Trustees, as applicable.
The valuation procedures  applied in any  specific instance are  likely to  vary
from  case to case.  However, consideration is generally  given to the financial
position of the  issuer and other  fundamental analytical data  relating to  the
investment  and  to  the  nature  of  the  restrictions  on  disposition  of the
securities (including any registration expenses that might be borne by the Theme
Portfolios in connection  with such  disposition). In  addition, other  factors,
such  as  the cost  of  the investment,  the  market value  of  any unrestricted
securities of the same class  (both at the time of  purchase and at the time  of
valuation),  the size of the  holding, the prices of  any recent transactions or
offers with  respect to  such  securities and  any available  analysts'  reports
regarding the issuer, generally are considered.
    
 
The  fair value  of any  other assets is  added to  the value  of all securities
positions to arrive at the  value of each Fund's  total assets (which, for  each
Feeder Fund is the value of its investment in its corresponding Portfolio). Each
Fund's liabilities, including accruals for expenses, are deducted from its total
assets. Once the total value of a Fund's net assets is so determined, that value
is  then divided by  the total number of  shares outstanding (excluding treasury
shares), and the result, rounded to the nearer cent, is the net asset value  per
share.
 
   
Any assets or liabilities initially expressed in terms of foreign currencies are
translated into U.S. dollars at the official exchange rate or, alternatively, at
the mean of the current bid and asked prices of such currencies against the U.S.
dollar  last quoted by a major bank that is a regular participant in the foreign
exchange market or on the basis of a pricing service that takes into account the
quotes provided by a number of such  major banks. If none of these  alternatives
are  available  or  none  are  deemed  to  provide  a  suitable  methodology for
converting a  foreign  currency  into  U.S.  dollars,  the  Portfolios'  or  the
Company's  Board of  Trustees, as  applicable, in  good faith,  will establish a
conversion rate for such currency.
    
 
   
European, Far Eastern, or Latin American  securities trading may not take  place
on  all days on which the NYSE is  open. Further, trading takes place in various
foreign markets on days on which the NYSE is not open. Trading in securities  on
European  and  Far Eastern  securities exchanges  and  OTC markets  generally is
completed well  before the  close of  business in  New York.  Consequently,  the
calculation   of  each  Fund's  net  asset  value  may  not  always  take  place
contemporaneously with the  determination of  the prices of  securities held  by
each  Fund.  Events  affecting  the  values  of  securities  held  by  the Theme
Portfolios that occur between the time their prices are determined and the close
of normal trading on the NYSE will not be reflected in a Fund's net asset  value
unless   the  Sub-adviser,  under  the  supervision  of  the  Company's  or  the
Portfolios' Board of  Trustees, as  applicable, determines  that the  particular
event  would materially affect net asset value.  As a result, a Fund's net asset
value may be significantly affected by  such trading on days when a  shareholder
has no access to that Fund.
    
 
                  Statement of Additional Information Page 33
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
PAYMENT AND TERMS OF OFFERING
Payment  for Class A or Class B shares  of a Fund purchased should accompany the
purchase order, or funds should be wired  to the Transfer Agent as described  in
the  Prospectus. Payment, other than by wire  transfer, must be made by check or
money order drawn on a U.S. bank. Checks or money orders must be payable in U.S.
dollars.
 
As a condition of this offering, if an order to purchase either class of  shares
is  canceled due to nonpayment (for example,  on account of a check returned for
"not sufficient funds"), the person who  made the order will be responsible  for
any  loss  incurred  by a  Fund  by reason  of  such cancellation,  and  if such
purchaser is a shareholder, the  Fund shall have the  authority as agent of  the
shareholder  to redeem shares  in his or  her account at  their then-current net
asset value per  share to reimburse  the Fund for  the loss incurred.  Investors
whose  purchase orders  have been canceled  due to nonpayment  may be prohibited
from placing future orders.
 
   
Each Fund  reserves the  right at  any time  to waive  or increase  the  minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons. An order to purchase shares is not binding on a Fund
until  it  has  been  confirmed  in writing  by  the  Transfer  Agent  (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, each Fund reserves the right to reject any offer for a purchase of
shares by any individual.
    
 
AUTOMATIC INVESTMENT PLAN -- CLASS A SHARES AND CLASS B SHARES
To  establish  participation  in  a Fund's  Automatic  Investment  Plan ("AIP"),
investors or their broker/dealers should  specify whether investment will be  in
Class  A shares or Class B shares and should send the following documents to the
Transfer Agent: (1) an AIP Application; (2) a Bank Authorization Form; and (3) a
voided personal check from the pertinent  bank account. The necessary forms  are
provided  at the back of the Funds' Prospectus. Provided that an investor's bank
accepts the Bank  Authorization Form, investment  amounts will be  drawn on  the
designated dates (monthly on the 25th day or beginning quarterly on the 25th day
of  the  month  the  investor  first selects)  in  order  to  purchase  full and
fractional shares of the designated Fund at the public offering price determined
on that day. If the 25th day falls on a Saturday, Sunday or holiday, shares will
be purchased  on the  next business  day.  If an  investor's check  is  returned
because  of insufficient  funds or  a stop  payment order  or if  the account is
closed, the AIP may be discontinued, and any share purchase made upon deposit of
such check may be cancelled. Furthermore, the shareholder will be liable for any
loss incurred by a Fund by  reason of such cancellation. Investors should  allow
one  month for  the establishment  of an AIP.  An AIP  may be  terminated by the
Transfer Agent or a Fund upon thirty days' written notice or by the  participant
at  any time, without penalty,  upon written notice to  the Fund or the Transfer
Agent.
 
LETTER OF INTENT -- CLASS A SHARES
   
A Letter of Intent ("LOI") is not a binding obligation to purchase the indicated
amount. While Class A shares are held  in escrow under an LOI to ensure  payment
of  applicable sales charges if  the indicated amount is  not met, all dividends
and other distributions on the escrowed shares will be reinvested in  additional
Class A shares or paid in cash, as specified by the shareholder. If the intended
investment  is  not completed  within the  specified thirteen-month  period, the
purchaser must remit to AIM Distributors the difference between the sales charge
actually paid and the sales charge that would have been applicable if the  total
Class  A purchases had been made at a single time. If this amount is not paid to
AIM Distributors  within  twenty days  after  written request,  the  appropriate
number  of  escrowed  shares will  be  redeemed  and the  proceeds  paid  to AIM
Distributors.
    
 
   
Any investor that  entered into a  LOI prior to  June 1, 1998,  under which  the
indicated  amount is not met, will be  subject to the sales charge schedule that
was in effect when the LOI was entered into.
    
 
A registered investment adviser,  trust company or  trust department seeking  to
execute  an LOI  as a single  purchaser with  respect to accounts  over which it
exercises investment discretion is required  to provide the Transfer Agent  with
information establishing that it has discretionary authority with respect to the
money  invested (e.g., by providing a  copy of the pertinent investment advisory
agreement). Class A shares purchased in this manner must be registered with  the
Transfer  Agent  so that  only the  investment adviser,  trust company  or trust
department, and  not the  beneficial  owner, will  be  able to  place  purchase,
redemption and exchange orders.
 
                  Statement of Additional Information Page 34
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
CONVERSION OF CLASS B SHARES
    
   
Class  B shares will automatically convert into Class A shares of the same Fund.
For the purpose  of calculating the  holding period required  for conversion  of
Class  B shares, the initial issuance of Class  B shares shall mean (i) the date
on which such Class B  shares were issued, or (ii)  for Class B shares  obtained
through  an exchange, or a  series of exchanges, the  date on which the original
Class B shares  were issued.  For purposes  of conversion  to Class  A, Class  B
shares  purchased through the reinvestment  of dividends and other distributions
paid in respect of Class B shares  will be held in a separate sub-account.  Each
time  any Class B shares in the  shareholder's regular account (other than those
in the sub-account) convert to Class A, a pro rata portion of the Class B shares
in the sub-account will also convert to Class A. The portion will be  determined
by  the ratio that the shareholder's Class  B shares converting to Class A bears
to the shareholder's  total Class B  shares not acquired  through dividends  and
other distributions.
    
 
   
The  availability  of  the  conversion  feature  is  subject  to  the continuing
availability of an opinion of counsel to the effect that the dividends and other
distributions  paid  on  Class  A  and  Class  B  shares  will  not  result   in
"preferential  dividends" under the Internal Revenue  Code and the conversion of
shares does not constitute a taxable event. If the conversion feature ceased  to
be available, the Class B shares would not be converted and would continue to be
subject  to the higher ongoing expenses of  the Class B shares beyond the eighth
year. The  Sub-adviser has  no reason  to believe  that this  condition for  the
availability of the conversion feature will not be met.
    
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
Class  A  or  Class B  shares  of a  Fund  may  be purchased  as  the underlying
investment for an IRA meeting the  requirements of sections 408(a), 408A or  530
of  the  Internal Revenue  Code of  1986, as  amended ("Code"),  as well  as for
qualified retirement plans described in Code Section 401 and custodial  accounts
complying with Code Section 403(b)(7).
 
   
IRAS: If you have earned income from employment (including self-employment), you
can  contribute each year to an IRA up  to the lesser of (1) $2,000 for yourself
or $4,000  for  you  and your  spouse,  regardless  of whether  your  spouse  is
employed,  or (2) 100% of compensation. Some  individuals may be able to take an
income tax deduction for the contribution. Regular contributions may not be made
for the year  you become 70  1/2 or  thereafter. Unless your  and your  spouse's
earnings  exceed  a certain  level, you  also may  establish an  "education IRA"
and/or a  "Roth IRA."  Although contributions  to these  new types  of IRAs  are
nondeductible,   withdrawals   from  them   will   be  tax-free   under  certain
circumstances. Please  consult  your  tax  adviser  for  more  information.  IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER  IRAS: Individuals who receive  distributions from qualified retirement
plans (other than  required distributions) and  who wish to  keep their  savings
growing  tax-deferred  can  roll  over  (or make  a  direct  transfer  of) their
distribution to a  Rollover IRA. These  accounts can also  receive rollovers  or
transfers  from an existing  IRA. If an "eligible  rollover distribution" from a
qualified employer-sponsored retirement plan is  not directly rolled over to  an
IRA  (or  certain qualified  plans),  withholding at  the  rate of  20%  will be
required for federal income tax purposes.  A distribution from a qualified  plan
that  is not an "eligible rollover  distribution," including a distribution that
is one of series of substantially equal periodic payments, generally is  subject
to  regular wage withholding or withholding at the rate of 10% (depending on the
type and  amount  of  the  distribution),  unless you  elect  not  to  have  any
withholding apply. Please consult your tax adviser for more information.
 
SEP-IRAS:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  Section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either  as separate  IRAs or as  part of  a Section  401(k)
plan.  SIMPLEs are not  subject to the  complicated nondiscrimination rules that
generally apply to qualified retirement plans.
 
                  Statement of Additional Information Page 35
<PAGE>
                             GT GLOBAL THEME FUNDS
 
EXCHANGES BETWEEN FUNDS
   
Shares of a Fund may be exchanged for shares of the corresponding class of other
GT Global  Mutual  Funds or  Class  A  shares of  funds  of The  AIM  Family  of
Funds-Registered  Trademark-, based on their respective net asset values without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical.  The exchange privilege is not an  option or right to purchase shares
but is permitted under the current  policies of the respective GT Global  Mutual
Funds  and The AIM Family of Funds. The privilege may be discontinued or changed
at any  time by  any of  those  funds upon  sixty days'  written notice  to  the
shareholders  of the fund and is available only in states where the exchange may
be made legally. Before purchasing shares  through the exercise of the  exchange
privilege,  a shareholder should obtain and read a copy of the prospectus of the
fund to be purchased and should consider its investment objective(s).
    
 
   
THE AIM FAMILY  OF FUNDS,  THE AIM  FAMILY OF FUNDS  AND DESIGN  (I.E., THE  AIM
LOGO),  AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS  AND LA FAMILIA  AIM DE FONDOS  AND DESIGN ARE  REGISTERED
SERVICE  MARKS AND  INVEST WITH DISCIPLINE  AND AIM BANK  CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
   
SALES CHARGE WAIVERS FOR SHARES PURCHASED PRIOR TO JUNE 1, 1998
    
   
Class A shares that are subject to  a contingent deferred sales charge and  that
were  purchased before June 1,  1998 are entitled to  the following waivers from
the contingent deferred sales charge otherwise due upon redemption: (1)  minimum
required  distributions made in connection  with a GT Global  IRA, Keogh Plan or
custodial account under  Section 403(b)  of the  Code or  other retirement  plan
following  attainment of age 70 1/2;  (2) total or partial redemptions resulting
from a  distribution  following  retirement  in  the  case  of  a  tax-qualified
employer-sponsored  retirement  plan;  (3)  when  a  redemption  results  from a
tax-free return of an excess contribution  pursuant to Section 408(d)(4) or  (5)
of  the Code or  from the death  or disability of  the employee; (4) redemptions
pursuant to a Fund's right  to liquidate a shareholder's account  involuntarily;
(5)    redemptions    pursuant   to    distributions   from    a   tax-qualified
employer-sponsored retirement plan, which is invested in GT Global Mutual Funds,
which are permitted to be made without penalty pursuant to the Code, other  than
tax-free  rollovers  or  transfers of  assets,  and  the proceeds  of  which are
reinvested in GT Global  Mutual Funds; (6) redemptions  made in connection  with
participant-directed  exchanges between options in an employer-sponsored benefit
plan; (7) redemptions made for the purpose of providing cash to fund a loan to a
participant  in  a  tax-qualified  retirement  plan;  (8)  redemptions  made  in
connection  with  a distribution  from any  retirement plan  or account  that is
permitted in accordance with the provisions of Section 72(t)(2) of the Code, and
the regulations promulgated thereunder; (9) redemptions made in connection  with
a  distribution from any retirement plan or  account that involves the return of
an excess deferral amount pursuant to Section 401(k)(8) or Section 402(g)(2)  of
the  Code;  (10)  redemptions made  in  connection  with a  distribution  from a
qualified profit-sharing or stock bonus plan described in Section 401(k) of  the
Code  to a participant or beneficiary under Section 401(k)(2)(B)(IV) of the Code
upon  hardship  of  the  covered  employee  (determined  pursuant  to   Treasury
Regulation  Section 1.401(k)-1(d)(2)); and  (11) redemptions made  by or for the
benefit of  certain  states,  counties  or  cities,  or  any  instrumentalities,
departments or authorities thereof where such entities are prohibited or limited
by applicable law from paying a sales charge or commission.
    
 
   
Class  B  shares purchased  before June  1,  1998 are  subject to  the following
waivers from the contingent deferred sales charge otherwise due upon  redemption
in  addition to the waivers provided for redemptions of currently issued Class B
shares as  described  in  the  Prospectus:  (1)  total  or  partial  redemptions
resulting   from  a  distribution   following  retirement  in   the  case  of  a
tax-qualified employer-sponsored retirement; (2) minimum required  distributions
made  in connection with a GT Global  IRA, Keogh Plan or custodial account under
Section 403(b) of the Code or other retirement plan following attainment of  age
70  1/2; (3) a one-time reinvestment in Class B shares of a Fund within 180 days
of a  prior  redemption;  (4)  redemptions  pursuant  to  distributions  from  a
tax-qualified employer-sponsored retirement plan, which is invested in GT Global
Mutual  Funds, which are  permitted to be  made without penalty  pursuant to the
Code, other than tax-free rollovers or transfers of assets, and the proceeds  of
which  are  reinvested  in  GT  Global Mutual  Funds;  (5)  redemptions  made in
connection  with   participant-directed   exchanges  between   options   in   an
employer-sponsored  benefit  plan;  (6)  redemptions  made  for  the  purpose of
providing cash to  fund a loan  to a participant  in a tax-qualified  retirement
plan; (7) redemptions made in connection with a distribution from any retirement
plan  or account that is permitted in  accordance with the provisions of Section
72(t)(2)  of  the  Code,  and   the  regulations  promulgated  thereunder;   (8)
redemptions   made  in   connection  with   a  distribution   from  a  qualified
profit-sharing or stock bonus plan described in Section 401(k) of the Code to  a
participant  or  beneficiary under  Section  401(k)(2)(B)(IV) of  the  Code upon
hardship of the  covered employee  (determined pursuant  to Treasury  Regulation
Section  1.401(k)-1(d)(2)); and  (9) redemptions made  by or for  the benefit of
certain states, counties  or cities,  or any  instrumentalities, departments  or
authorities  thereof where such entities are prohibited or limited by applicable
law from paying a sales charge or commission.
    
 
                  Statement of Additional Information Page 36
<PAGE>
                             GT GLOBAL THEME FUNDS
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s),  and,  in the  case of  a  corporation, the  corporate seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic bank or savings institution if the proceeds are at least $500. Costs in
connection  with  the administration  of this  service, including  wire charges,
currently are borne by the appropriate Fund. Proceeds of less than $500 will  be
mailed  to the  shareholder's registered  address of  record. The  Funds and the
Transfer Agent reserve the  right to refuse any  telephone instructions and  may
discontinue  the aforementioned  redemption options  upon fifteen  days' written
notice.
 
SYSTEMATIC WITHDRAWAL PLAN
Shareholders owning Class A or Class B shares of a Fund with a value of  $10,000
or  more may  establish a  Systematic Withdrawal Plan  ("SWP"). Under  an SWP, a
shareholder will receive monthly or quarterly  payments, in amounts of not  less
than  $100 per payment, through the automatic redemption of the necessary number
of shares  on  the  designated dates  (monthly  on  the 25th  day  or  beginning
quarterly  on the  25th day  of the month  the investor  first selects [January,
April, July  and October]).  If the  25th day  falls on  a Saturday,  Sunday  or
holiday, the redemption will take place on the prior business day. Certificates,
if any, for the shares being redeemed must be held by the Transfer Agent. Checks
will  be made payable to the designated  recipient and mailed within seven days.
If the recipient is other than the registered shareholder, the signature of each
shareholder must  be guaranteed  on  the SWP  application  (see "How  to  Redeem
Shares"  in the Prospectus).  A corporation (or partnership)  must also submit a
"Corporation Resolution" (or "Certificate of Partnership") indicating the names,
titles and signatures of  the individuals authorized to  act on its behalf,  and
the  SWP application  must be  signed by  a duly  authorized officer(s)  and the
corporate seal affixed.
 
With respect to a SWP, the maximum  annual SWP withdrawal is 12% of the  initial
account  value.  Withdrawals  in excess  of  12%  of the  initial  account value
annually may result  in assessment of  a contingent deferred  sales charge.  See
"How to Invest" in the Prospectus.
 
Shareholders should be aware that such systematic withdrawals may deplete or use
up entirely the initial investment and result in the realization of long-term or
short-term capital gains or losses. The SWP may be terminated at any time by the
Transfer  Agent or a Fund  upon thirty days' written  notice or by a shareholder
upon written notice to  a Fund or the  Transfer Agent. Applications and  further
details regarding establishment of an SWP are provided at the back of the Funds'
Prospectus.
 
SUSPENSION OF REDEMPTION PRIVILEGES
Each  Fund may suspend redemption privileges or postpone the date of payment for
more than seven days after a redemption order is received during any period  (1)
when  the NYSE is closed  other than customary weekend  and holiday closings, or
trading on the NYSE is restricted as directed by the SEC, (2) when an  emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Funds  and the Portfolios  to dispose of  securities owned by  them or fairly to
determine the value of their assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It is possible  that conditions  may arise  in the  future which  would, in  the
opinion  of the Company's Board  of Trustees, make it  undesirable for a Fund to
pay for all redemptions in cash. In such cases, the Board may authorize  payment
to  be  made in  portfolio securities  or  other property  of a  Fund, so-called
"redemptions in kind." Payment  of redemptions in kind  will be made in  readily
marketable  securities.  Such  securities  would be  valued  at  the  same value
assigned to  them in  computing  the net  asset  value per  share.  Shareholders
receiving  such  securities  would incur  brokerage  costs in  selling  any such
securities so received. However,  despite the foregoing,  the Company has  filed
with  the SEC an election pursuant to Rule  18f-1 under the 1940 Act. This means
that each  Fund  will pay  in  cash all  requests  for redemption  made  by  any
shareholder of record, limited in amount with respect to each shareholder during
any  ninety-day period to the lesser of $250,000 or 1% of the net asset value of
a Fund at the  beginning of such  period. This election  will be irrevocable  so
long  as Rule 18f-1 remains in effect,  unless the SEC by order upon application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 37
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
TAXATION OF THE FUNDS
Each Fund is treated as a separate corporation for federal income tax  purposes.
To  continue to qualify for treatment  as a regulated investment company ("RIC")
under the Code, each Fund must  distribute to its shareholders for each  taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several additional requirements. With respect  to each Fund, these  requirements
include the following: (1) the Fund must derive at least 90% of its gross income
each  taxable year from dividends, interest, payments with respect to securities
loans and gains  from the  sale or other  disposition of  securities or  foreign
currencies,  or other income  (including gains from  options, Futures or Forward
Contracts) derived with respect  to its business of  investing in securities  or
those currencies ("Income Requirement"); (2) at the close of each quarter of the
Fund's  taxable year,  at least  50% of the  value of  its total  assets must be
represented by cash and  cash items, U.S.  government securities, securities  of
other RICs and other securities, with these other securities limited, in respect
of  any one issuer,  to an amount  that does not  exceed 5% of  the value of the
Fund's total assets and that  does not represent more  than 10% of the  issuer's
outstanding  voting securities;  and (3)  at the  close of  each quarter  of the
Fund's taxable year, not more than 25% of  the value of its total assets may  be
invested  in securities (other than U.S. government securities or the securities
of other  RICs) of  any one  issuer. Each  Feeder Fund,  as an  investor in  its
corresponding  Portfolio,  is  deemed  to  own  a  proportionate  share  of  the
Portfolio's assets, and to earn a proportionate share of the Portfolio's income,
for  purposes  of  determining  whether  the  Fund  satisfies  the  requirements
described above to qualify as a RIC.
 
Each Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent  it fails to distribute by the end of any calendar year substantially all
of its  ordinary income  for  that year  and capital  gain  net income  for  the
one-year period ending on October 31 of that year, plus certain other amounts.
 
See  the next section  for a discussion  of the tax  consequences to each Feeder
Fund of  hedging transactions  engaged in,  and investments  in passive  foreign
investment companies ("PFICs") and other foreign securities by its corresponding
Portfolio  and  to the  Health Care  Fund and  Telecommunications Fund  of those
transactions and investments.
 
TAXATION OF THE THEME PORTFOLIOS
    THE PORTFOLIOS AND THEIR RELATIONSHIP TO THE FEEDER FUNDS. Each Portfolio is
treated as a separate partnership for federal  income tax purposes and is not  a
"publicly  traded partnership."  As a result,  each Portfolio is  not subject to
federal  income  tax;  instead,  each  Feeder  Fund,  as  an  investor  in   its
corresponding  Portfolio, is  required to take  into account  in determining its
federal income tax liability its share of the Portfolio's income, gains, losses,
deductions and  credits, without  regard to  whether it  has received  any  cash
distributions from the Portfolio. Each Portfolio also is not subject to New York
income or franchise tax.
 
Because, as noted above, each Feeder Fund is deemed to own a proportionate share
of  its corresponding Portfolio's  assets, and to earn  a proportionate share of
its corresponding Portfolio's  income, for purposes  of determining whether  the
Fund  satisfies the requirements to qualify as  a RIC, each Portfolio intends to
conduct its operations so that its  corresponding Fund will be able to  continue
to satisfy all those requirements.
 
Distributions  to  each Feeder  Fund from  its corresponding  Portfolio (whether
pursuant to a partial  or complete withdrawal or  otherwise) will not result  in
the  Fund's recognition  of any  gain or loss  for federal  income tax purposes,
except that  (1)  gain  will be  recognized  to  the extent  any  cash  that  is
distributed  exceeds the Fund's  basis for its interest  in the Portfolio before
the distribution, (2) income or gain  will be recognized if the distribution  is
in  liquidation of the  Fund's entire interest  in the Portfolio  and includes a
disproportionate share of any unrealized receivables held by the Portfolio,  and
(3)  loss will  be recognized if  a liquidation distribution  consists solely of
cash and/or unrealized receivables. Each Feeder Fund's basis for its interest in
its corresponding Portfolio  generally will  equal the  amount of  cash and  the
basis of any property the Fund invests in the Portfolio, increased by the Fund's
share of the Portfolio's net income and gains and decreased by (1) the amount of
cash and the basis of any property the Portfolio distributes to the Fund and (2)
the Fund's share of the Portfolio's losses.
 
    FOREIGN  TAXES. Dividends  and interest received  by a  Theme Portfolio, and
gains realized thereby,  may be subject  to income, withholding  or other  taxes
imposed  by foreign countries and U.S.  possessions ("foreign taxes") that would
reduce the yield and/or total return on its securities. Tax conventions  between
certain countries and the United States may reduce
 
                  Statement of Additional Information Page 38
<PAGE>
                             GT GLOBAL THEME FUNDS
or  eliminate foreign taxes,  however, and many foreign  countries do not impose
taxes on capital gains in respect  of investments by foreign investors. If  more
than 50% of the value of a Fund's total assets (taking into account, in the case
of  a  Feeder Fund,  its proportionate  share  of its  corresponding Portfolio's
assets) at  the close  of its  taxable year  consists of  securities of  foreign
corporations,  the Fund will be eligible to,  and may, file an election with the
Internal Revenue  Service  that will  enable  its shareholders,  in  effect,  to
receive  the benefit of the foreign tax credit with respect to any foreign taxes
paid by it (taking into account, in the case of a Feeder Fund, its proportionate
share of  any foreign  taxes paid  by its  corresponding Portfolio)  (a  "Fund's
foreign  taxes"). Pursuant to  the election, a  Fund would treat  those taxes as
dividends paid to its shareholders and each shareholder would be required to (1)
include in gross  income, and  treat as  paid by him,  his share  of the  Fund's
foreign  taxes, (2) treat his  share of those taxes and  of any dividend paid by
the Fund that represents  its income from foreign  and U.S. possessions  sources
(taking  into account, in the case of  a Feeder Fund, its proportionate share of
its corresponding Portfolio's income from those sources) as his own income  from
those  sources and (3) either  deduct the taxes deemed  paid by him in computing
his  taxable  income  or,  alternatively,  use  the  foregoing  information   in
calculating  the foreign  tax credit against  his federal income  tax. Each Fund
will report to its shareholders shortly after each taxable year their respective
shares of the Fund's foreign taxes and income (taking into account, in the  case
of  a  Feeder Fund,  its proportionate  share  of its  corresponding Portfolio's
income) from sources within foreign countries  and U.S. possessions if it  makes
this  election.  Pursuant  to  the  Taxpayer Relief  Act  of  1997  ("Tax Act"),
individuals who have no more than $300 ($600 for married persons filing jointly)
of creditable  foreign taxes  included on  Form 1099  and all  of whose  foreign
source  of income is "qualified passive income" may elect each year to be exempt
from the extremely complicated foreign tax credit limitation and will be able to
claim a foreign tax credit  without having to file  the detailed Form 1116  that
otherwise is required.
 
    PASSIVE FOREIGN INVESTMENT COMPANIES. Each Theme Portfolio may invest in the
stock  of PFICs.  A PFIC is  a foreign  corporation -- other  than a "controlled
foreign corporation" (I.E., a  foreign corporation in which,  on any day  during
its  taxable year, more than  50% of the total voting  power of all voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Theme  Portfolio is a  U.S. shareholder (effective  for their  taxable
year  beginning  November 1,  1998) --  that,  in general,  meets either  of the
following tests: (1)  at least  75% of  its gross income  is passive  or (2)  an
average  of at least 50%  of its assets produce, or  are held for the production
of, passive  income. Under  certain circumstances,  a Fund  will be  subject  to
federal  income  tax  on  a  part  (or,  in  the  case  of  a  Feeder  Fund, its
proportionate share of a part) of any "excess distribution" received by it  (or,
in  the case of a Feeder Fund, by its corresponding Portfolio) on the stock of a
PFIC or  of any  gain on  the Fund's  (or, in  the case  of a  Feeder Fund,  its
corresponding   Portfolio's)  disposition  of  that  stock  (collectively  "PFIC
income"), plus interest thereon, even if the Fund distributes the PFIC income as
a taxable dividend to its shareholders. The  balance of the PFIC income will  be
included  in the Fund's investment company taxable income and, accordingly, will
not be  taxable  to  it  to  the  extent  it  distributes  that  income  to  its
shareholders.
 
If  a  Theme Portfolio  invests in  a PFIC  and elects  to treat  the PFIC  as a
"qualified electing  fund"  ("QEF"), then  in  lieu  of the  foregoing  tax  and
interest  obligation, the Theme Portfolio  (or, in the case  of a Portfolio, its
corresponding Feeder Fund) would be required to include in income each year  its
pro  rata  share  (taking  into account,  in  the  case of  a  Feeder  Fund, its
proportionate share  of its  corresponding Portfolio's  pro rata  share) of  the
QEF's  ordinary earnings and net capital gain (I.E., the excess of net long-term
capital gain over net short-term capital  loss) -- which most likely would  have
to  be distributed by the  Theme Portfolio (or, in the  case of a Portfolio, its
corresponding Feeder Fund)  to satisfy  the Distribution  Requirement and  avoid
imposition  of  the Excise  Tax  -- even  if those  earnings  and gain  were not
received thereby from the QEF. In most  instances it will be very difficult,  if
not impossible, to make this election because of certain requirements thereof.
 
Effective  for taxable years beginning after 1997, a holder of stock in any PFIC
may elect to include in ordinary income each taxable year the excess, if any, of
the fair market value of the stock over the adjusted basis therein as of the end
of that  year.  Pursuant to  the  election, a  deduction  (as an  ordinary,  not
capital,  loss) also  will be allowed  for the  excess, if any,  of the holder's
adjusted basis  in PFIC  stock over  the fair  market value  thereof as  of  the
taxable  year-end, but only to the extent of any net marked-to-market gains with
respect to that stock included in  income for prior taxable years. The  adjusted
basis  in each PFIC's stock subject to  the election will be adjusted to reflect
the amounts  of income  included and  deductions taken  thereunder.  Regulations
proposed  in 1992 would provide a similar  election with respect to the stock of
certain PFICs.
 
    OPTIONS, FUTURES AND  FOREIGN CURRENCY TRANSACTIONS.  The Theme  Portfolios'
use  of hedging transactions,  such as selling  (writing) and purchasing options
and Futures and  entering into  Forward Contracts, involves  complex rules  that
will  determine,  for federal  income tax  purposes,  the amount,  character and
timing of recognition  of the  gains and losses  a Theme  Portfolio realizes  in
connection  therewith. Gains from the  disposition of foreign currencies (except
certain gains  that may  be  excluded by  future  regulations), and  gains  from
options, Futures and Forward Contracts derived by a Theme Portfolio with respect
to  its business of investing in  securities or foreign currencies, will qualify
as permissible income under the Income Requirement for that Theme Portfolio (or,
in the case of a Portfolio, its corresponding Feeder Fund).
 
                  Statement of Additional Information Page 39
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Futures and  Forward Contracts  that are  subject to  section 1256  of the  Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and that are  held by a  Theme Portfolio at the  end of its  taxable
year  generally will  be deemed to  have been  sold at market  value for federal
income tax purposes. Sixty percent of any  net gain or loss recognized on  these
deemed  sales, and 60% of any net gain or loss realized from any actual sales of
Section 1256 Contracts, will be treated  as long-term capital gain or loss,  and
the  balance will be treated as short-term capital  gain or loss. As of the date
of preparation of this Statement of  Additional Information, it is not  entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net  capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the 15%
marginal tax bracket) for gain recognized  on capital assets held for more  than
18  months -- instead of  the 28% rate in  effect before that legislation, which
now applies to gain recognized on capital assets held for more than one year but
not more than 18  months, although technical  corrections legislation passed  by
the House of Representatives late in 1997 would treat it as qualifying therefor.
 
Section  988 of the Code also may apply to gains and losses from transactions in
foreign currencies,  foreign-currency-denominated debt  securities and  options,
Futures  and Forward  Contracts on foreign  currencies ("Section  988" gains and
losses). Each Section  988 gain  or loss  generally is  computed separately  and
treated as ordinary income or loss. In the case of overlap between sections 1256
and  988, special provisions  determine the character and  timing of any income,
gain or loss. Each Theme Portfolio attempts to monitor section 988  transactions
to minimize any adverse tax impact.
 
If  a Theme Portfolio  has an "appreciated financial  position" -- generally, an
interest (including an interest through  an option, Futures or Forward  Contract
or  short sale) with respect to any stock, debt instrument (other than "straight
debt") or  partnership interest  the  fair market  value  of which  exceeds  its
adjusted  basis  --  and  enters  into a  "constructive  sale"  of  the  same or
substantially similar property, the  Theme Portfolio will  be treated as  having
made  an actual sale  thereof, with the  result that gain  will be recognized at
that time. A constructive sale generally consists of a short sale, an offsetting
notional principal contract  or Futures or  Forward Contract entered  into by  a
Theme  Portfolio or a related  person with respect to  the same or substantially
similar property. In addition, if the appreciated financial position is itself a
short sale  or  such a  contract,  acquisition  of the  underlying  property  or
substantially similar property will be deemed a constructive sale.
 
TAXATION OF THE FUNDS' SHAREHOLDERS
Dividends  and  other  distributions  declared  by a  Fund  in,  and  payable to
shareholders of record as  of a date  in, October, November  or December of  any
year  will  be  deemed  to have  been  paid  by  the Fund  and  received  by the
shareholders on December 31 of  that year if the  distributions are paid by  the
Fund  during  the following  January. Accordingly,  those distributions  will be
taxed to shareholders for the year in which that December 31 falls.
 
A portion  of the  dividends from  a Fund's  investment company  taxable  income
(whether  paid in cash or  reinvested in additional shares)  may be eligible for
the dividends-received deduction allowed  to corporations. The eligible  portion
may not exceed the aggregate dividends received by a Fund (directly or through a
Portfolio)  from U.S. corporations.  However, dividends received  by a corporate
shareholder and deducted by it pursuant to the dividends-received deduction  may
be subject indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be aware that if shares are purchased shortly before the record date
for any dividend or other distribution, the shareholder will pay full price  for
the shares and receive some portion of the price back as a taxable distribution.
 
Dividends  paid by a  Fund to a shareholder  who, as to the  United States, is a
nonresident alien  individual, or  nonresident  alien fiduciary  of a  trust  or
estate,  foreign  corporation  or  foreign  partnership  ("foreign shareholder")
generally will be subject  to U.S. withholding  tax (at a rate  of 30% or  lower
treaty  rate). Withholding will not apply, however, to a dividend paid by a Fund
to a foreign shareholder  that is "effectively connected  with the conduct of  a
U.S.   trade  or  business,"  in  which   case  the  reporting  and  withholding
requirements applicable to domestic shareholders  will apply. A distribution  of
net capital gain by a Fund to a foreign shareholder generally will be subject to
U.S.  federal income tax (at  the rates applicable to  domestic persons) only if
the distribution  is  "effectively  connected" or  the  foreign  shareholder  is
treated as a resident alien individual for federal income tax purposes.
 
The  foregoing  is a  general  and abbreviated  summary  of certain  federal tax
considerations affecting  the  Funds,  their shareholders  and  the  Portfolios.
Investors  are  urged  to  consult  their own  tax  advisers  for  more detailed
information and for  information regarding  any foreign, state  and local  taxes
applicable to distributions received from a Fund.
 
                  Statement of Additional Information Page 40
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
 
   
AIM  was organized in 1976, and along  with its subsidiaries, manages or advises
over 50 investment company portfolios  encompassing a broad range of  investment
objectives.  AIM is a direct, wholly owned  subsidiary of A I M Management Group
Inc. ("AIM  Management"),  a  holding  company that  has  been  engaged  in  the
financial  services  business since  1976. AIM  is the  sole shareholder  of the
Funds' principal underwriter,  AIM Distributors. AIM  Management is an  indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England.  AMVESCAP  PLC  and  its  subsidiaries  are  an  independent investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide  asset  management  affiliates   also  currently  include  GT   Asset
Management  Inc. in Toronto, Canada; GT Asset Management PLC in London, England;
GT Asset Management Ltd.  in Hong Kong;  GT Asset Management  Ltd. in Tokyo;  GT
Asset Management Pte. Ltd. in Singapore; GT Asset Management Ltd. in Sydney; and
GT Asset Management GmbH in Frankfurt.]
    
 
CUSTODIAN
State  Street  Bank and  Trust Company  ("State  Street"), 225  Franklin Street,
Boston,  Massachusetts  02110,  acts  as  custodian  of  the  Funds'  and  Theme
Portfolios'  assets. State Street is authorized to establish and has established
separate accounts in  foreign currencies and  to cause securities  of the  Theme
Portfolios  to be  held in  separate accounts outside  the United  States in the
custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The   Company's   and    Theme   Portfolios'    independent   accountants    are
                 ,   One  Post  Office   Square,  Boston,  Massachusetts  02109.
                 conducts annual  audits  of  the  Portfolios'  and  the  Funds'
financial  statements, assists in  the preparation of  each Portfolio's and each
Fund's federal and state  income tax returns and  consults with the Company  and
Global Investment Portfolio as to matters of accounting, regulatory filings, and
federal and state income taxation.
    
 
   
The  audited financial statements  of the Company included  in this Statement of
Additional Information have been examined by                     , as stated  in
their  opinion appearing herein, and are  included in reliance upon such opinion
given upon the authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The Sub-Adviser  has granted  the Company  the right  to use  the "GT"  and  "GT
Global"  names and has reserved the right to  withdraw its consent to the use of
such names by the Company at any time or  to grant the use of such names to  any
other company.
    
 
SPECIAL SERVICING AGREEMENT
   
Subject  to  receipt of  an  exemptive order  from  the Securities  and Exchange
Commission, the GT Global  Theme Funds will  be a party  to a Special  Servicing
Agreement  ("Agreement") between and  among GT Global Series  Trust on behalf of
its sole series, GT Global New  Dimension Fund ("New Dimension Fund"), AIM,  the
Sub-adviser,  GT Global Investor Services, Inc. and the Company on behalf of its
following series: Consumer Products and Services Fund, Financial Services  Fund,
Heath   Care   Fund,   Infrastructure   Fund,   Natural   Resources   Fund   and
Telecommunications Fund, which  are funds  in which New  Dimension Fund  invests
(collectively all such funds are referred to as "Underlying Theme Funds").
    
 
The  Agreement will  provide that,  if the Board  of Trustees  of any Underlying
Theme Fund determines that such Underlying  Theme Fund's share of the  aggregate
expenses  of  New Dimension  Fund  is less  than  the estimated  savings  to the
Underlying Theme Fund from the operation  of New Dimension Fund, the  Underlying
Theme  Fund will bear those expenses in proportion to the average daily value of
its shares owned  by New  Dimension Fund,  provided further  that no  Underlying
Theme  Fund will bear  such expenses in  excess of the  estimated savings to it.
Such savings are expected to result  primarily from the elimination of  numerous
separate  shareholder accounts which are or would have been invested directly in
the Underlying Theme Funds and the resulting reduction in shareholder  servicing
costs.  Although such cost savings are not certain, the estimated savings to the
Underlying Theme Funds  generated by  the operation  of New  Dimension Fund  are
expected  to be sufficient to offset most,  if not all, of the expenses incurred
by New Dimension Fund.
 
                  Statement of Additional Information Page 41
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
   
Each Fund's "Standardized Returns," as referred to in the Prospectus (see "Other
Information  --  Performance  Information"  in  the  Prospectus),  is calculated
separately for Class A and Class B shares of each Fund, as follows: Standardized
Return (average  annual total  return ("T"))  is computed  by using  the  ending
redeeming  value ("ERV")  of a hypothetical  initial investment  of $1,000 ("P")
over a period of years ("n") according  to the following formula as required  by
the  SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will be
reflected in computations made in accordance with this formula: (1) for Class  A
shares,  deduction of the maximum sales charge  of 4.75% from the $1,000 initial
investment; (2)  for Class  B  shares, deduction  of the  applicable  contingent
deferred  sales charge imposed  on a redemption  of Class B  shares held for the
period; (3) reinvestment of dividends and other distributions at net asset value
on the reinvestment date determined by the Company's Board of Trustees; and  (4)
a complete redemption at the end of any period illustrated.
    
 
The  Standardized Returns for the Class A and Class B shares of Health Care Fund
and Telecommunications Fund, stated as average annualized total returns for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                               HEALTH      HEALTH      TELECOM-      TELECOM-
                                                                CARE        CARE      MUNICATIONS   MUNICATIONS
                                                                FUND        FUND         FUND          FUND
PERIOD                                                        (CLASS A)   (CLASS B)    (CLASS A)     (CLASS B)
- ------------------------------------------------------------  ---------   ---------   -----------   -----------
<S>                                                           <C>         <C>         <C>           <C>
Fiscal year ended Oct. 31, 1997.............................    22.27%      22.75%       12.11%        12.15%
Oct. 31, 1992 through Oct. 31, 1997.........................    15.24%        n/a        13.88%          n/a
April 1, 1993 (commencement of operations) through Oct. 31,
 1997.......................................................      n/a       20.09%         n/a         12.09%
Jan. 27, 1992 (commencement of operations) through Oct. 31,
 1997.......................................................      n/a         n/a        11.48%          n/a
Aug. 7, 1989 (commencement of operations) through Oct. 31,
 1997.......................................................    15.23%        n/a          n/a           n/a
</TABLE>
 
The  Standardized Returns for  the Class A  and Class B  shares of the Financial
Services Fund, Infrastructure Fund and Natural Resources Fund, stated as average
annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                              FINANCIAL   FINANCIAL    INFRA-      INFRA-      NATURAL     NATURAL
                                                              SERVICES    SERVICES    STRUCTURE   STRUCTURE   RESOURCES   RESOURCES
                                                                FUND        FUND        FUND        FUND        FUND        FUND
PERIOD                                                        (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)
- ------------------------------------------------------------  ---------   ---------   ---------   ---------   ---------   ---------
<S>                                                           <C>         <C>         <C>         <C>         <C>         <C>
Fiscal year ended Oct. 31, 1997.............................   23.74%      24.13%       4.18%       3.83%      16.81%      16.99%
May 31, 1994 (commencement of operations) through
 Oct. 31, 1997..............................................   13.70%      14.13%       8.30%       8.60%      18.64%      19.17%
</TABLE>
 
The Standardized Returns  for the Class  A and  Class B shares  of the  Consumer
Products  and Services Fund, stated as  average annualized total returns for the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                              CONSUMER PRODUCTS   CONSUMER PRODUCTS
                                                                     AND                 AND
                                                                SERVICES FUND       SERVICES FUND
PERIOD                                                            (CLASS A)           (CLASS B)
- ------------------------------------------------------------  -----------------   -----------------
<S>                                                           <C>                 <C>
Fiscal year ended Oct. 31, 1997.............................        5.30%               4.95%
Dec. 30, 1994 (commencement of operations) to Oct. 31,
 1997.......................................................       27.70%              28.59%
</TABLE>
 
NON-STANDARDIZED RETURNS
In  addition  to   Standardized  Returns,   each  Fund  also   may  include   in
advertisements,  sales  literature and  shareholder  reports other  total return
performance  data  ("Non-Standardized   Return").  Non-Standardized  Return   is
calculated  separately for Class  A and Class B  shares of each  Fund and may be
calculated according to several different formulas. Non-Standardized Returns may
be quoted for the same or different time periods for which Standardized  Returns
are  quoted. Non-Standardized  Returns may  or may  not take  sales charges into
account; performance data calculated without taking the effect of sales  charges
into account will be higher than data including the effect of such charges.
 
Average  annual Non-Standardized  Return ("T") is  computed by  using the ending
redeeming value ("ERV")  of a  hypothetical initial investment  of $1,000  ("P")
over  a period of years ("n") according  to the following formula as required by
the SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will  be
reflected in computations made in accordance with this
 
                  Statement of Additional Information Page 42
<PAGE>
                             GT GLOBAL THEME FUNDS
formula:  (1) no deduction  of sales charges; (2)  reinvestment of dividends and
other distributions at net  asset value on the  reinvestment date determined  by
the Board; and (3) a complete redemption at the end of any period illustrated.
 
The  average annual Non-Standardized Returns for the  Class A and Class B shares
of  the  Health  Care  Fund  and  Telecommunications  Fund,  stated  as  average
annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                               HEALTH     HEALTH
                                                                CARE       CARE      TELECOM-      TELECOM-
                                                                FUND       FUND     MUNICATIONS   MUNICATIONS
                                                               (CLASS     (CLASS       FUND          FUND
PERIOD                                                           A)         B)       (CLASS A)     (CLASS B)
- ------------------------------------------------------------  --------   --------   -----------   -----------
<S>                                                           <C>        <C>        <C>           <C>
Fiscal year ended Oct. 31, 1997.............................   28.36%     27.75%      17.70%        17.15%
Oct. 31, 1992 through Oct. 31, 1997.........................   16.37%       n/a       14.99%          n/a
April 1, 1993 (commencement of operations) through Oct. 31,
 1997.......................................................     n/a      20.32%        n/a         12.38%
Jan. 27, 1992 (commencement of operations) through Oct. 31,
 1997.......................................................     n/a        n/a       12.43%          n/a
Aug. 7, 1989 (commencement of operations) through Oct. 31,
 1997.......................................................   15.92%       n/a         n/a           n/a
</TABLE>
 
The  average annual Non-Standardized Returns for the  Class A and Class B shares
of the Financial Services Fund, Infrastructure Fund and Natural Resources  Fund,
stated as aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                              FINANCIAL   FINANCIAL    INFRA-      INFRA-      NATURAL     NATURAL
                                                              SERVICES    SERVICES    STRUCTURE   STRUCTURE   RESOURCES   RESOURCES
                                                                FUND        FUND        FUND        FUND        FUND        FUND
PERIOD                                                        (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)
- ------------------------------------------------------------  ---------   ---------   ---------   ---------   ---------   ---------
<S>                                                           <C>         <C>         <C>         <C>         <C>         <C>
Fiscal year ended Oct. 31, 1997.............................    29.91%      29.13%      9.38%       8.83%       22.64%      21.99%
May 31, 1994 (commencement of operations) through Oct. 31,
 1997.......................................................    15.33%      14.76%      9.85%       9.31%       20.34%      19.74%
</TABLE>
 
The  average annual Non-Standardized Returns for the  Class A and Class B shares
of the Consumer Products and Services  Fund, stated as average annualized  total
returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                              CONSUMER    CONSUMER
                                                              PRODUCTS    PRODUCTS
                                                                 AND         AND
                                                              SERVICES    SERVICES
                                                                FUND        FUND
PERIOD                                                        (CLASS A)   (CLASS B)
- ------------------------------------------------------------  ---------   ---------
<S>                                                           <C>         <C>
Fiscal year ended Oct. 31, 1997.............................    10.55%       9.95%
Dec. 30, 1994 (commencement of operations) to Oct. 31,
 1997.......................................................    29.91%      29.25%
</TABLE>
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the  account  ("VOA")  of  a hypothetical  initial  investment  of  $1,000 ("P")
according to the  following formula: T  = (VOA/P)-1. Aggregate  Non-Standardized
Return  assumes reinvestment  of dividends and  other distributions  and, as set
forth below, may or may not take sales charges into account.
 
The aggregate Non-Standardized Returns (not  taking sales charges into  account)
for   the  Class   A  and  Class   B  shares   of  the  Health   Care  Fund  and
Telecommunications Fund,  stated  as aggregate  total  returns for  the  periods
shown, were:
 
<TABLE>
<CAPTION>
                                                               HEALTH      HEALTH      TELECOM-      TELECOM-
                                                                CARE        CARE      MUNICATIONS   MUNICATIONS
                                                                FUND        FUND         FUND          FUND
PERIOD                                                        (CLASS A)   (CLASS B)    (CLASS A)     (CLASS B)
- ------------------------------------------------------------  ---------   ---------   -----------   -----------
<S>                                                           <C>         <C>         <C>           <C>
April 1, 1993 (commencement of operations) through Oct. 31,
 1997.......................................................       n/a     133.44%         n/a         70.76   %
Jan. 27, 1992 (commencement of operations) through Oct. 31,
 1997.......................................................      n/a         n/a        96.32%          n/a
Aug. 7, 1989 (commencement of operations) through Oct. 31,
 1997.......................................................   237.37%        n/a          n/a           n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for  the  Class  A  and  Class   B  shares  of  the  Financial  Services   Fund,
Infrastructure  Fund  and  Natural  Resources Fund,  stated  as  aggregate total
returns for the period shown were:
 
<TABLE>
<CAPTION>
                                                              FINANCIAL   FINANCIAL    INFRA-      INFRA-      NATURAL     NATURAL
                                                              SERVICES    SERVICES    STRUCTURE   STRUCTURE   RESOURCES   RESOURCES
                                                                FUND        FUND        FUND        FUND        FUND        FUND
PERIOD                                                        (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)
- ------------------------------------------------------------  ---------   ---------   ---------   ---------   ---------   ---------
<S>                                                           <C>         <C>         <C>         <C>         <C>         <C>
May 31, 1994 (commencement of operations) through Oct. 31,
 1997.......................................................   62.87%      60.13%      37.89%      35.59%      88.33%      85.14%
</TABLE>
 
The aggregate Non-Standardized Returns (not  taking sales charges into  account)
for  the Class A and Class B shares  of the Consumer Products and Services Fund,
stated as aggregate total returns for the period shown, were:
 
<TABLE>
<CAPTION>
                                                              CONSUMER PRODUCTS   CONSUMER PRODUCTS
                                                                     AND                 AND
                                                                SERVICES FUND       SERVICES FUND
PERIOD                                                            (CLASS A)           (CLASS B)
- ------------------------------------------------------------  -----------------   -----------------
<S>                                                           <C>                 <C>
Dec. 30, 1994 (commencement of operations) to Oct. 31,
 1997.......................................................       110.02%             107.02%
</TABLE>
 
                  Statement of Additional Information Page 43
<PAGE>
                             GT GLOBAL THEME FUNDS
 
The aggregate Non-Standardized Returns (taking  sales charges into account)  for
the  Class A and Class  B shares of the  Health Care Fund and Telecommunications
Fund, stated as aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                               HEALTH      HEALTH      TELECOM-      TELECOM-
                                                                CARE        CARE      MUNICATIONS   MUNICATIONS
                                                                FUND        FUND         FUND          FUND
PERIOD                                                        (CLASS A)   (CLASS B)    (CLASS A)     (CLASS B)
- ------------------------------------------------------------  ---------   ---------   -----------   -----------
<S>                                                           <C>         <C>         <C>           <C>
April 1, 1993 (commencement of operations) through Oct. 31,
 1997.......................................................       n/a     131.44%        n/a          68.76   %
Jan. 27, 1992 (commencement of operations) through Oct. 31,
 1997.......................................................      n/a         n/a       87.00%          n/a
Aug. 7, 1989 (commencement of operations) through Oct. 31,
 1997.......................................................   221.34%        n/a         n/a           n/a
</TABLE>
 
The aggregate Non-Standardized Returns (taking  sales charges into account)  for
the  Class A and Class  B shares of the  Financial Services Fund, Infrastructure
Fund and  Natural Resources  Fund, stated  as aggregate  total returns  for  the
periods shown were:
 
<TABLE>
<CAPTION>
                                                              FINANCIAL   FINANCIAL    INFRA-      INFRA-      NATURAL     NATURAL
                                                              SERVICES    SERVICES    STRUCTURE   STRUCTURE   RESOURCES   RESOURCES
                                                                FUND        FUND        FUND        FUND        FUND        FUND
PERIOD                                                        (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)   (CLASS A)   (CLASS B)
- ------------------------------------------------------------  ---------   ---------   ---------   ---------   ---------   ---------
<S>                                                           <C>         <C>         <C>         <C>         <C>         <C>
May 31, 1994 (commencement of operations) through Oct. 31,
 1997.......................................................   55.13%      57.13%      31.34%      32.59%      79.38%      82.14%
</TABLE>
 
The  aggregate Non-Standardized Returns (taking  sales charges into account) for
the Class A  and Class  B shares  of the  Consumer Products  and Services  Fund,
stated as aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                              CONSUMER PRODUCTS   CONSUMER PRODUCTS
                                                                     AND                 AND
                                                                SERVICES FUND       SERVICES FUND
PERIOD                                                            (CLASS A)           (CLASS B)
- ------------------------------------------------------------  -----------------   -----------------
<S>                                                           <C>                 <C>
Dec. 30, 1994 (commencement of operations) to Oct. 31,
 1997.......................................................       100.04%             104.02%
</TABLE>
 
Each Fund's investment results will vary from time to time depending upon market
conditions,  the composition of each Fund's  portfolio and operating expenses of
each Fund,  so  that  current or  past  yield  or total  return  should  not  be
considered  representative of what  an investment in  each Fund may  earn in any
future period. These  factors and possible  differences in the  methods used  in
calculating  investment results should be  considered when comparing each Fund's
investment results with those published for other investment companies and other
investment vehicles. Each Fund's results  also should be considered relative  to
the risks associated with such Fund's investment objective and policies.
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
Each  Fund and AIM Distributors may from  time to time, in advertisements, sales
literature and reports furnished to present or prospective shareholders, compare
a Fund with the following, among others:
    
 
        (1) The Consumer Price Index ("CPI"), which is a measure of the  average
    change  in prices over time  in a fixed market  basket of goods and services
    (e.g., food,  clothing, shelter,  fuels, transportation  fares, charges  for
    doctors' and dentists' services, prescription medicines, and other goods and
    services  that people  buy for day-to-day  living). There  is inflation risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2) Data  and  mutual fund  rankings  published or  prepared  by  Lipper
    Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger  Investment
    Companies Service ("CDA/Wiesenberger"),  Morningstar, Inc.  ("Morningstar"),
    Micropal,  Inc. and/or other companies that rank and/or compare mutual funds
    by overall  performance,  investment  objectives,  assets,  expense  levels,
    periods  of existence and/or other factors. In  this regard each Fund may be
    compared to  its  "peer  group"  as  defined  by  Lipper,  CDA/Wiesenberger,
    Morningstar  and/or  other firms,  as applicable,  or  to specific  funds or
    groups of funds within or outside of such peer group. Lipper generally ranks
    funds on the basis of total return, assuming reinvestment of  distributions,
    but  does not take sales charges  or redemption fees into consideration, and
    is prepared without regard  to tax consequences. In  addition to the  mutual
    fund  rankings,  the  Fund's  performance may  be  compared  to  mutual fund
    performance indices prepared by Lipper. Morningstar is a mutual fund  rating
    service  that  also  rates  mutual  funds  on  the  basis  of  risk-adjusted
    performance. Morningstar ratings  are calculated from  a fund's three,  five
    and  ten year average annual returns  with appropriate fee adjustments and a
    risk factor that reflects fund performance relative to the three-month  U.S.
    Treasury  bill monthly  returns. Ten percent  of the funds  in an investment
    category receive five stars  and 22.5% receive four  stars. The ratings  are
    subject to change each month.
 
                  Statement of Additional Information Page 44
<PAGE>
                             GT GLOBAL THEME FUNDS
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    price of 500 of the largest publicly traded stocks in the United States.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley  Capital International All  Country (AC) World  index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2,500 different issuers,  located in 47 countries,  and
    grouped in 38 separate industries.
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE"), which provides brief reports on most of the World Bank's borrowing
    members. The World  Development Report  is published annually  and looks  at
    global   and  regional  economic  trends  and  their  implications  for  the
    developing economies.
 
       (12) Salomon Brothers Global Telecommunications Index, which is  composed
    of telecommunications companies in the developing and emerging countries.
 
       (13)  Datastream and  Worldscope, each  of which  is an  on-line database
    retrieval service  for information,  including international  financial  and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund ("IMF").
 
       (15) Various publications and reports produced by the World Bank and  its
    affiliates.
 
       (16)  Various publications from the International Bank for Reconstruction
    and Development.
 
       (17) Various publications  produced by ratings  agencies such as  Moody's
    Investors  Service  ("Moody's"),  Standard  &  Poor's,  a  division  of  The
    McGraw-Hill Companies, Inc. ("S&P"), and Fitch.
 
       (18) Wilshire Associates, which is an on-line database for  international
    financial  and economic data including performance  measure for a wide range
    of securities.
 
       (19) Bank Rate National Monitor Index, which is an average of the  quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20)  International  Finance  Corporation ("IFC")  Emerging  Markets Data
    Base, which  provides  detailed statistics  on  stock and  bond  markets  in
    developing countries.
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various  financial  organizations,  such  as  Salomon  Brothers,  Inc.,   Lehman
Brothers,  Merrill  Lynch,  Pierce,  Fenner &  Smith,  Inc.,  Financial Research
Corporation, J.P. Morgan, Morgan Stanley,  Smith Barney Shearson, S.G.  Warburg,
Jardine  Flemming,  The Bank  for  International Settlements,  Asian Development
Bank, Bloomberg,  L.P.,  and  Ibbotson  Associates, may  be  used,  as  well  as
information  reported by the Federal Reserve and the respective central banks of
various nations. In  addition, AIM  Distributors may  use performance  rankings,
ratings and commentary reported periodically in national financial publications,
including  Money Magazine,  Mutual Fund  Magazine, Smart  Money, Global Finance,
EuroMoney, Financial World, Forbes, Fortune, Business
    
 
                  Statement of Additional Information Page 45
<PAGE>
                             GT GLOBAL THEME FUNDS
Week,  Latin  Finance,  The  Wall  Street  Journal,  Emerging  Markets   Weekly,
Kiplinger's Guide To Personal Finance, Barron's, The Financial Times, USA Today,
The  New York  Times, Far Eastern  Economic Review, The  Economist and Investors
Business Digest.  Each  Fund  may  compare its  performance  to  that  of  other
compilations  or indices of  comparable quality to those  listed above and other
indices that may be developed and made available in the future.
 
   
Information  relating  to   foreign  market   performance,  capitalization   and
diversification  is based on sources believed to  be reliable but may be subject
to revision  and  has  not been  independently  verified  by the  Funds  or  AIM
Distributors.  The  authors  and  publishers  of such  material  are  not  to be
considered as "experts" under the 1933 Act, on account of the inclusion of  such
information herein.
    
 
A  portion of the performance  figures for each market  includes the positive or
negative effects of the currency exchange rates effective at December 31 of each
year between the U.S. dollar and currency of the foreign market (e.g.,  Japanese
Yen,  German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that has
strengthened or weakened against the  U.S. dollar will positively or  negatively
affect the reported returns, as the case may be.
 
   
AIM  Distributors  believes that  this information  may  be useful  to investors
considering whether and to  what extent to  diversify their investments  through
the purchase of mutual funds investing in securities on a global basis. However,
this  data is not a representation of the  past performance of any of the Funds,
nor is it a prediction  of such performance. The  performance of the Funds  will
differ  from the historical performance of  relevant indices. The performance of
indices does not take expenses into account, while each Fund incurs expenses  in
its  operations, which will reduce performance. Each of these factors will cause
the performance of each Fund to differ from relevant indices.
    
 
   
From time to time,  each Fund and  AIM Distributors may refer  to the number  of
shareholders  in the  Funds or  the aggregate number  of shareholders  in all GT
Global Mutual Funds or the dollar amount of each Fund's assets under  management
or rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM Distributors may provide information designed to help individuals understand
their  investment goals and  explore various financial  strategies. For example,
AIM Distributors may  describe general  principles of investing,  such as  asset
allocation,  diversification and risk tolerance. Each  Fund does not represent a
complete  investment  program,  and  investors  should  consider  each  Fund  as
appropriate  for a portion of their  overall investment portfolio with regard to
their  long-term  investment  goals.  There  is  no  assurance  that  any   such
information will lead to achieving these goals or guarantee future results.
    
 
   
From  time to time, AIM Distributors may refer to or advertise the names of U.S.
and non-U.S. companies and  their products, although there  can be no  assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets are  based on  the returns  of  different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to  demonstrate  general  risk-versus-reward  investment  scenarios. Performance
comparisons may also include  the value of a  hypothetical investment in any  of
these  capital  markets. The  risks associated  with the  security types  in any
capital market  may  or may  not  correspond directly  to  those of  the  Funds.
Ibbotson calculates total returns in the same method as the Funds.
 
Each  Fund may  quote various measures  of volatility  and benchmark correlation
such as beta, standard deviation and R(2) in advertising. In addition, each Fund
may compare these measures to those of other funds. Measures of volatility  seek
to  compare each Fund's historical share  price fluctuations or total returns to
those of a benchmark.
 
Each Fund may advertise  examples of the effects  of periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low.  While such a strategy does not assure  a profit or guard against loss in a
declining market, the  investor's average cost  per share can  be lower than  if
fixed  numbers of shares are purchased at the same intervals. In evaluating such
a plan, investors should  consider their ability  to continue purchasing  shares
through periods of low price levels.
 
Each  Fund may describe in its sales material and advertisements how an investor
may invest in GT Global Mutual  Funds through various retirement plans or  other
programs that offer deferral of income taxes on investment earnings and pursuant
to  which  an  investor  may make  deductible  contributions.  Because  of their
advantages, these retirement plans
 
                  Statement of Additional Information Page 46
<PAGE>
                             GT GLOBAL THEME FUNDS
and  programs  may  produce   returns  superior  to  comparable   non-retirement
investments.  For example, a $10,000 investment  earning a taxable return of 10%
annually would have an after-tax value of $17,976 after ten years, assuming  tax
was  deducted  from  the  return  each  year  at  a  39.6%  rate.  An equivalent
tax-deferred investment  would have  an  after-tax value  of $19,626  after  ten
years,  assuming tax was deducted at a  39.6% rate from the deferred earnings at
the end of the ten-year period.  In sales material and advertisements, the  Fund
may  also discuss these  plans and programs. See  "Information Relating to Sales
and  Redemptions   --  Individual   Retirement  Accounts   ('IRAs')  and   Other
Tax-Deferred Plans."
 
   
AIM  Distributors may from time  to time in its  sales materials and advertising
discuss the risks inherent in investing. The major types of investment risk  are
market  risk, industry risk, credit risk, interest rate risk, liquidity risk and
inflation risk. Risk represents the possibility that you may lose some or all of
your investment over a period of time. A basic tenet of investing is the greater
the potential reward, the greater the risk.
    
 
   
From time  to  time, the  Funds  and  AIM Distributors  will  quote  information
regarding  industries, individual countries, regions, world stock exchanges, and
economic  and  demographic  statistics  from  sources  AIM  Distributors   deems
reliable,  including the economic and financial data of financial organizations,
such as:
    
 
 1) Stock market  capitalization:  Morgan Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 2) Stock  market trading volume: Morgan  Stanley Capital International Industry
    Indices and IFC.
 
 3) The number  of listed  companies: IFC,  GT Guide  to World  Equity  Markets,
    Salomon Brothers, Inc., and S.G. Warburg.
 
 4) Wage  rates: U.S. Department of Labor  Statistics and Morgan Stanley Capital
    International World Indices.
 
 5) International industry  performance:  Morgan Stanley  Capital  International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock   market  performance:  Morgan  Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 7) The Consumer Price Index and inflation rate: The World Bank, Datastream  and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top  three companies by country, industry or  market: IFC, GT Guide to World
    Equity Markets, Salomon Brothers Inc., and S.G. Warburg.
 
15) Foreign direct  investments  to developing  countries:  The World  Bank  and
    Datastream.
 
16) Supply,  consumption,  demand  and  growth in  demand  of  certain products,
    services and industries, including, but  not limited to electricity,  water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources  of such information may include, but  would not be limited to, The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard deviation and performance returns for U.S. and non-U.S. equity  and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries  restructuring their debt,  including those under  the Brady Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government and  corporate bonds  -- credit  ratings, yield  to maturity  and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time to time, AIM Distributors may include in its advertisements and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
                  Statement of Additional Information Page 47
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
In  advertising and sales  materials, AIM Distributors may  make reference to or
discuss its products, services and accomplishments. Among these  accomplishments
are  that in 1983 the Sub-adviser provided  assistance to the government of Hong
Kong in  linking its  currency to  the U.S.  dollar, and  that in  1987  Japan's
Ministry  of Finance  licensed LGT  Asset Management  Ltd. as  one of  the first
foreign  discretionary  investment   managers  for   Japanese  investors.   Such
accomplishments,  however,  should  not  be  viewed  as  an  endorsement  of the
Sub-adviser by the government of Hong  Kong, Japan's Ministry of Finance or  any
other  government or government  agency. Nor do any  such accomplishments of the
Sub-adviser provide any assurance  that the GT  Global Mutual Funds'  investment
objectives will be achieved.
    
 
   
[GT GLOBAL ADVANTAGE
    
As  part of Liechtenstein Global Trust,  GT Global continues a 75-year tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine  offices  worldwide,  we  witness world  events  and  economic developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The key to achieving  consistent results is  following a disciplined  investment
process.  Our  approach  to  asset allocation  takes  advantage  of  GT Global's
worldwide  presence  and  global  perspective.  Our  "macroeconomic"   worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up  process  of  security selection  combines  fundamental  research with
quantitative analysis through our proprietary models.
 
Built-in checks  and balances  strengthen  the process,  enhancing  professional
experience  and judgment with an objective  assessment of risk. Ultimately, each
security we select has  passed a ranking system  that helps our portfolio  teams
determine  when to buy and when to sell.  With respect to stocks, a global stock
research ("GSR") database developed  by GT Global is  utilized in the  selection
process.  All stocks  within the GSR  database are systematically  ranked by our
analysts on a  1-5 basis  with 1 representing  the most  favored. The  rankings,
along  with our quantitative,  fundamental research, determine  which stocks are
bought and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
GENERAL INFORMATION ABOUT THE THEME FUNDS AND THEME PORTFOLIOS
Each   Theme  Portfolio  may  invest  worldwide  across  industries  within  the
Portfolio's area of concentration without national or regional restrictions. The
ability of each  Theme Portfolio  to invest  worldwide may  allow the  portfolio
managers to select industries in different economic cycles and varying stages of
development,  though there is no assurance  that the managers will be successful
in this selection.
 
   
Each Theme Portfolio's area  of concentration reflects  the underlying theme  of
the  Portfolio.  AIM  Distributors  believes  that  there  are  certain  social,
political and economic trends that may  benefit one or more industries within  a
Theme  Portfolio's area of concentration. Of  course, there is no assurance that
any of the Funds will benefit as a result.
    
 
                  Statement of Additional Information Page 48
<PAGE>
                             GT GLOBAL THEME FUNDS
 
HEALTH CARE FUND
   
From time to time the Fund and AIM Distributors will quote information including
data regarding:
    
 
    / / Trading volume, number of listed companies and the largest companies  of
        the global health care industry
 
    / / Expenditures by various countries, regions and age groups on health care
 
    / / Population of countries, regions and age groups
 
    / / Natality  and  mortality rates  in  various regions,  countries  and age
        groups
 
    / / Life expectancy rates in various regions, countries and age groups
 
    / / New health care products and products seeking approval
 
    / / Health maintenance organizations (HMOs) and their enrollment growth
 
    / / Studies from,  but  not limited  to,  the American  Medical  Association
        showing the effectiveness of using drugs to cure illness
 
    / / Medical technology and devices in use or in development
 
    / / Regulatory environment of health care industries
 
    / / Consolidation in the health care industries
 
   
The  information quoted  has not  been independently verified  by a  Fund or AIM
Distributors and will be based on data provided that is believed to be  reliable
and accurate from sources including the following:
    
 
    / / Research  firms such as  Mehta and Isaly  which publishes PHARMACEUTICAL
        PORTFOLIO RECOMMENDATIONS
 
    / / OECD and its publications such as the OECD HEALTH DATA, as  supplemented
        annually
 
    / / Morgan  Stanley Capital International stock market industry indices such
        as Health & Personal Care
 
    / / The World  Bank  and its  publications  such as  THE  WORLD  DEVELOPMENT
        REPORT, as supplemented annually
 
    / / IFC and publications such as the EMERGING STOCK MARKETS FACTBOOK
 
INFORMATION ABOUT THE GLOBAL HEALTH CARE INDUSTRIES
   
The Fund and the Sub-adviser believe that certain market and demographic factors
merit  an  investor's  consideration  when  making  a  health  care  investment.
Worldwide  standards  of  living  and  life  expectancy  have  increased  at   a
substantial  rate.  The  Sub-adviser expects  this  growth, which  works  to the
general benefit of  the global health  care industry, to  continue at a  roughly
comparable  rate in  the future,  although no  assurances can  be given  in this
regard. Moreover,  according  to  the  Sub-adviser,  the  health  care  industry
historically  has proven to be a relatively non-cyclical industry that continues
to provide goods and services to the  public in periods of economic weakness  as
well as economic strength.
    
 
   
The  Sub-adviser believes that  the anticipated increase  in the world's elderly
population could  increase demand  for health  care products  and services.  For
example,  according to data compiled by the  Sub-adviser, in Japan the number of
people age 65  and older  is expected to  grow over  100% by the  year 2025;  in
Germany, France and the U.S., the same age group should grow 40%. Similarly, the
U.S.  Census Bureau predicts the  number of Americans 85  and older to double in
the next 30 years. From time to  time, the Fund and AIM Distributors will  quote
information   including,  but  not  limited  to,  international  data  regarding
populations,  birth  rates,  mortality  rates,  life  expectancy,  health   care
expenditures,  and gross domestic  product vs. life  expectancy. The information
quoted has not been independently verified  by the Fund or AIM Distributors  and
will be based on data that is believed to be reliable and accurate.
    
 
TELECOMMUNICATIONS FUND
   
From time to time the Fund and AIM Distributors will quote information including
data regarding:
    
 
    / / Increased  usage  of  new  technologies such  as,  but  not  limited to,
        cellular  and  wireless  communications  in  emerging  and   established
        countries around the world
 
    / / Supply and demand of telephone equipment and services
 
    / / Regulatory environment of telecommunications industries
 
    / / Revenue, price and usage of telecommunications products and services
 
    / / Privatization and/or deregulation of telecommunications companies
 
                  Statement of Additional Information Page 49
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
The  information quoted has not  been independently verified by  the Fund or AIM
Distributors and will be based on data provided that is believed to be  reliable
and accurate from sources including the following:
    
 
    / / Salomon  Brothers World Equity  Telecommunications Index, which includes
        stock market data about  the telecommunications industry in  established
        and developing markets
 
    / / OECD   and  other  publications  from   its  subsidiaries  such  as  the
        International Telecommunications Union
 
    / / Morgan Stanley Capital International stock market industry indices  such
        as  Telecommunications, Broadcasting & Publishing  and Data Processing &
        Reproduction
 
    / / International Technology Consultants, a Washington D.C. based firm which
        publishes reports such as EASTERN  EUROPEAN & SOVIET TELECOM REPORT  and
        LATIN AMERICAN TELECOM REPORT
 
    / / Telegeography and other publications
 
DEREGULATION IN THE UNITED STATES
   
The  United States  has been  the bellwether  for deregulation  of the telephone
industry. The  divestiture  of  the  Bell System  from  American  Telephone  and
Telegraph  has  produced competing  companies in  the  United States.  Such U.S.
market-driven competition has,  for example,  led to lower  costs for  consumers
which in turn led to greater consumer usage and to higher industrywide revenues.
The  Sub-adviser expects this scenario to  continue to benefit such companies in
the U.S. and to similarly to  be realized by the established  telecommunications
companies  in established economies, although no  assurances can be made in this
regard.
    
 
CONSUMER PRODUCTS AND SERVICES FUND
   
From time to time the Fund and AIM Distributors will quote information including
data regarding:
    
 
    / / Trading volume, number of listed companies and the largest companies
        located around the world in the consumer products and services
        industries
 
    / / Expenditures, demand and consumption by various countries, regions,
        income classes and age groups of consumer products and services
 
    / / Population of countries, regions and age groups
 
    / / Life expectancy rates in various regions, countries and age groups
 
    / / New consumer products and services in the development or manufacturing
        stages
 
    / / Income of various regions, countries and age groups
 
    / / Sales and sales growth of consumer products and services companies in
        their own country and abroad
 
    / / Sales, supply and demand of consumer products and services
 
    / / Parent Companies and the products and services they distribute
 
    / / Regulatory environment of consumer products industries
 
   
The information quoted  will not be  independently verified by  the Fund or  AIM
Distributors  and will be based on data provided that is believed to be reliable
and accurate from sources including the following:
    
 
    / / Consumer and trade groups
 
    / / Fortune magazine and other periodicals
 
    / / The World Bank and its publications
 
    / / The International Monetary Fund (IMF) and its publications
 
    / / IFC and its publications
 
    / / OECD and its publications
 
INFRASTRUCTURE FUND
   
From time to time the Fund and AIM Distributors may quote information including:
    
 
    / / Supply and  demand of  telephone  equipment and  services,  electricity,
        water, transportation, construction materials and other
        infrastructure-related products and services
 
    / / Regulatory environment of infrastructure industries
 
    / / Quantity and costs of current and projected infrastructure projects
 
                  Statement of Additional Information Page 50
<PAGE>
                             GT GLOBAL THEME FUNDS
 
    / / Privatization of industries and companies
 
    / / New   technologies,  products   and  services   used  in  infrastructure
        industries
 
    / / Infrastructure Finance Magazine and other periodicals
 
FINANCIAL SERVICES FUND
   
From time to time the Fund and AIM Distributors may quote information including:
    
 
    / / Supply and demand of financial services
 
    / / Regulatory environment of financial service industries
 
    / / Credit ratings of U.S. and non-U.S. banks
 
    / / New technologies, products and services  used in the financial  services
        industries
 
    / / Consolidation in the financial services industries
 
NATURAL RESOURCES FUND
   
From time to time the Fund and AIM Distributors may quote information including:
    
 
    / / Supply, demand and prices of natural resources
 
    / / Regulatory environment of natural resources
 
    / / Supply,   demand  and  prices  of  products  manufactured  from  natural
        resources
 
    / / New technologies, products  and services used  in the natural  resources
        industries
 
- --------------------------------------------------------------------------------
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
                  Statement of Additional Information Page 51
<PAGE>
                             GT GLOBAL THEME FUNDS
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
         1. An application for rating was not received or accepted.
 
         2. The issue or  issuer belongs to a  group of securities or  companies
    that are not rated as a matter of policy.
 
         3. There is a lack of essential data pertaining to the issue or issuer.
 
         4.  The issue  was privately  placed, in which  case the  rating is not
    published in Moody's publications.
 
Suspension or withdrawal may occur if new and material circumstances arise,  the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable  up-to-date data  to permit  a judgment  to be  formed; if  a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies  numerical modifiers, 1,  2 and 3  in each generic  rating
classification  from Aa to Caa. The modifier  1 indicates that the Company ranks
in the higher end  of its generic  rating category; the  modifier 2 indicates  a
mid-range  ranking; and the modifier  3 indicates that the  Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a  division of The  McGraw-Hill Companies, Inc.  ("S&P"),
rates  the securities debt of various  entities in categories ranging from "AAA"
to "D"  according  to quality.  Investment  grade  ratings are  the  first  four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
                  Statement of Additional Information Page 52
<PAGE>
                             GT GLOBAL THEME FUNDS
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient information on which to base a rating, or that S&P does not rate  a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates  of return on  funds employed; conservative  capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in  earnings
coverage  of  fixed financial  charges and  high  internal cash  generation; and
well-established access to a range of  financial markets and assured sources  of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior  short-term debt obligations. This normally  will be evidenced by many of
the characteristics cited  above but  to a  lesser degree.  Earnings trends  and
coverage  ratios, while sound, may be  more subject to variation. Capitalization
characteristics, while  still  appropriate, may  be  more affected  by  external
conditions. Ample alternate liquidity is maintained.
 
    S&P  ratings of commercial paper are  graded into several categories ranging
from "A1" for the highest quality obligations  to "D" for the lowest. Issues  in
the  "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate the
relative degree  of safety.  A-1 --  This highest  category indicates  that  the
degree  of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation.  A-2  -- Capacity  for  timely  payments on  issues  with  this
designation  is satisfactory; however,  the relative degree of  safety is not as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
   
To be filed.
    
 
                  Statement of Additional Information Page 53
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
/ / GLOBALLY DIVERSIFIED FUNDS
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside the U.S.
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers  access  to the  emerging  and established  markets  of the  Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO  GIVE
  ANY  INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN THIS
  STATEMENT OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH  INFORMATION
  OR  REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY G.T.
  INVESTMENT FUNDS,  GT  GLOBAL  FINANCIAL  SERVICES  FUND,  GLOBAL  FINANCIAL
  SERVICES  PORTFOLIO,  GT GLOBAL  INFRASTRUCTURE FUND,  GLOBAL INFRASTRUCTURE
  PORTFOLIO, GT  GLOBAL  NATURAL  RESOURCES  FUND,  GLOBAL  NATURAL  RESOURCES
  PORTFOLIO,  GT GLOBAL CONSUMER  PRODUCTS AND SERVICES  FUND, GLOBAL CONSUMER
  PRODUCTS AND  SERVICES PORTFOLIO,  GT  GLOBAL HEALTH  CARE FUND,  GT  GLOBAL
  TELECOMMUNICATIONS  FUND,  A  I  M  ADVISORS,  INC.,  [CHANCELLOR  LGT ASSET
  MANAGEMENT, INC.] OR A I M  DISTRIBUTORS, INC. THIS STATEMENT OF  ADDITIONAL
  INFORMATION  DOES NOT  CONSTITUTE AN  OFFER TO  SELL OR  SOLICITATION OF ANY
  OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY JURISDICTION TO ANY
  PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
                                                                     THESA703 MC
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
                        50 California Street, 27th Floor
                          San Francisco, CA 94111-4624
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
    
 
   
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  Statement of  Additional Information  relates to the  Class A  and Class B
shares of GT Global Government Income Fund ("Government Income Fund"), GT Global
Strategic Income Fund ("Strategic Income Fund")  and GT Global High Income  Fund
("High  Income Fund") (each, a "Fund," and collectively, the "Funds"). Each Fund
is a  non-diversified  series  of  G.T.  Investment  Funds  (the  "Company"),  a
registered  open-end management investment company. This Statement of Additional
Information, which  is not  a  Prospectus, supplements  and  should be  read  in
conjunction with the Funds' current Class A and B Prospectus dated June 1, 1998,
a  copy of which is available without charge  by writing to the above address or
by calling the Funds at the toll-free telephone number listed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator   for,   and  [Chancellor   LGT   Asset  Management,   Inc.]  (the
"Sub-adviser") serves as  the investment sub-adviser  and sub-administrator  for
the Government Income Fund, the Strategic Income Fund and the Global High Income
Portfolio  (the  "Portfolio").  AIM  and  the  Sub-adviser  also  serve  as  the
administrator and sub-administrator, respectively, of the High Income Fund.  The
distributor  of  the shares  of  each Fund  is A  I  M Distributors,  Inc. ("AIM
Distributors"). The Funds' transfer agent  is GT Global Investor Services,  Inc.
("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                   Page No.
                                                                                                   --------
<S>                                                                                                <C>
Investment Objectives and Policies...............................................................      2
Options, Futures and Currency Strategies.........................................................      6
Risk Factors.....................................................................................     15
Investment Limitations...........................................................................     20
Execution of Portfolio Transactions..............................................................     24
Trustees and Executive Officers..................................................................     26
Management.......................................................................................     28
Valuation of Fund Shares.........................................................................     32
Information Relating to Sales and Redemptions....................................................     34
Taxes............................................................................................     38
Additional Information...........................................................................     42
Investment Results...............................................................................     42
Description of Debt Ratings......................................................................     49
Financial Statements.............................................................................     51
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                       INVESTMENT OBJECTIVES AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVES
   
The  Government Income Fund primarily seeks  high current income and secondarily
seeks capital appreciation and protection of principal through active management
of the maturity structure and currency exposure of its portfolio. The  Strategic
Income  Fund and  the High  Income Fund primarily  seek high  current income and
secondarily seek capital appreciation. The High Income Fund seeks to achieve its
investment  objectives  by  investing  all  of  its  investable  assets  in  the
Portfolio,  which is  a non-diversified  open-end management  investment company
with investment objectives identical to those  of the Fund. Whenever the  phrase
"all  of the  High Income Fund's  investable assets"  is used herein  and in the
Prospectus, it means that the only investment securities held by the High Income
Fund will be its interest  in the Portfolio. The  High Income Fund may  withdraw
its  investment in the  Portfolio at any time,  if the Board  of Trustees of the
Company determines  that  it is  in  the best  interests  of the  Fund  and  its
shareholders  to do so. Upon any such  withdrawal, the High Income Fund's assets
would be invested in  accordance with the investment  policies of the  Portfolio
described below and in the Prospectus.
    
 
INVESTMENT IN EMERGING MARKETS
The  Portfolio seeks its objectives by investing, under normal circumstances, at
least 65% of its total assets in debt securities of issuers in emerging markets.
The Strategic Income Fund may invest up to 50% of its assets in debt  securities
of  issuers in emerging markets. The Strategic  Income Fund and the Portfolio do
not consider the following countries to be emerging markets: Australia, Austria,
Belgium,  Canada,  Denmark,   France,  Germany,  Ireland,   Italy,  Japan,   the
Netherlands,  New Zealand,  Norway, Spain, Sweden,  Switzerland, United Kingdom,
and United States.
 
   
In addition to  the factors set  forth in the  Prospectus, the Sub-adviser  will
also  consider,  when determining  what  countries constitute  emerging markets,
data, analysis, and classification of countries published or disseminated by the
International Bank for  Reconstruction and  Development (commonly  known as  the
World Bank) and the International Finance Corporation.
    
 
SELECTION OF DEBT INVESTMENTS
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries and geographic regions for  the Government Income Fund, the  Strategic
Income  Fund  and  the  Portfolio,  the  Sub-adviser  ordinarily  considers  the
following factors: prospects  for relative economic  growth among the  different
countries in which the Government Income Fund, the Strategic Income Fund and the
Portfolio   may  invest;  expected  levels  of  inflation;  government  policies
influencing business conditions; the outlook for currency relationships; and the
range of  the individual  investment  opportunities available  to  international
investors.
    
 
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
invest  in  the  following  types  of  money  market  instruments  (i.e.,   debt
instruments  with less than  12 months remaining  until maturity) denominated in
U.S. dollars or other  currencies: (a) obligations issued  or guaranteed by  the
U.S.    or   foreign   governments,   their   agencies,   instrumentalities   or
municipalities; (b)  obligations  of  international  organizations  designed  or
supported   by  multiple  foreign  governmental  entities  to  promote  economic
reconstruction  or  development;  (c)  finance  company  obligations,  corporate
commercial   paper  and  other  short-term   commercial  obligations:  (d)  bank
obligations (including certificates of  deposit, time deposits, demand  deposits
and bankers' acceptances), subject to the restriction that the Government Income
Fund,  the Strategic Income Fund and the  Portfolio may not invest more than 25%
of their respective total assets  in bank securities; (e) repurchase  agreements
with  respect to the  foregoing; and (f)  other substantially similar short-term
debt securities with comparable characteristics.
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
With respect to certain  countries, investments by  the Government Income  Fund,
the  Strategic  Income Fund  and the  Portfolio  presently may  be made  only by
acquiring shares of other investment companies (including investment vehicles or
companies advised by  the Sub-adviser  or its  affiliates ("Affiliated  Funds"))
with  local governmental approval to invest in  those countries. At such time as
direct investment in these countries is allowed, the Government Income Fund, the
Strategic Income Fund and the  Portfolio anticipate investing directly in  these
markets. The Government Income Fund, the
    
 
                   Statement of Additional Information Page 2
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
Strategic  Income Fund and  the Portfolio may  also invest in  the securities of
closed-end investment companies within the limits of the Investment Company  Act
of  1940, as amended ("1940 Act").  These limitations currently provide that, in
part, a Fund or the Portfolio may purchase shares of another investment  company
unless (a) such a purchase would cause the Government Income Fund, the Strategic
Income  Fund or the Portfolio to own in  the aggregate more than 3% of the total
outstanding voting securities of the investment  company or (b) such a  purchase
would  cause  the  Government Income  Fund,  the  Strategic Income  Fund  or the
Portfolio to have more than  5% of its total  assets invested in the  investment
company or more than 10% of its aggregate assets invested in an aggregate of all
such  investment  companies.  The  foregoing limitations  do  not  apply  to the
investment by the High  Income Fund in the  Portfolio. Investment in  investment
companies  may involve  the payment of  substantial premiums above  the value of
such companies' portfolio securities. The Government Income Fund, the  Strategic
Income  Fund  and the  Portfolio  do not  intend  to invest  in  such investment
companies unless, in the judgment of the Sub-adviser, the potential benefits  of
such  investments justify the payment of  any applicable premiums. The return on
such securities  will  be  reduced  by  operating  expenses  of  such  companies
including  payments to  the investment  managers of  those investment companies.
With respect  to investments  in Affiliated  Funds, the  Sub-adviser waives  its
advisory fee to the extent that such fees are based on assets of a Fund invested
in Affiliated Funds.
    
 
SAMURAI AND YANKEE BONDS
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
invest in yen-denominated bonds sold in Japan by non-Japanese issuers  ("Samurai
bonds"), and may invest in dollar-denominated bonds sold in the United States by
non-U.S.  issuers ("Yankee  bonds"). It is  the policy of  the Government Income
Fund, the Strategic Income Fund and the Portfolio to invest in Samurai or Yankee
bond issues  only  after  taking  into account  considerations  of  quality  and
liquidity, as well as yield.
 
WARRANTS OR RIGHTS
Warrants  or rights may be acquired by the Government Income Fund, the Strategic
Income Fund or the Portfolio in  connection with other securities or  separately
and  provide a Fund or the Portfolio with  the right to purchase at a later date
other securities of the issuer.
 
LENDING OF PORTFOLIO SECURITIES
   
For the purpose of realizing additional income, the Government Income Fund,  the
Strategic  Income  Fund or  the Portfolio  may make  secured loans  of portfolio
securities amounting to not more than 30% of its total assets. Securities  loans
are  made to  broker/dealers or  institutional investors  pursuant to agreements
requiring that the loans continuously be secured by collateral at least equal at
all times to the value of the securities lent plus any accrued interest, "marked
to market" on  a daily basis.  The Funds  and the Portfolio  may pay  reasonable
administrative  and custodial fees  in connection with  loans of its securities.
While the  securities  loan is  outstanding,  the Government  Income  Fund,  the
Strategic  Income Fund and the Portfolio will continue to receive the equivalent
of the interest or dividends  paid by the issuer on  the securities, as well  as
interest  on the investment  of the collateral  or a fee  from the borrower. The
Government Income Fund, the  Strategic Income Fund and  the Portfolio each  will
have  a right  to call  each loan  and obtain  the securities  within the stated
settlement period. The Government Income Fund, the Strategic Income Fund and the
Portfolio will not have the right to vote equity securities while they are lent,
but each may call in a loan in anticipation of any important vote. Loans will be
made only to firms deemed by the Sub-adviser to be of good standing and will not
be made unless,  in the  judgment of the  Sub-adviser, the  consideration to  be
earned from such loans would justify the risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For  the purposes of the Strategic  Income Fund's and the Portfolio's investment
policies with respect to  bank obligations, obligations  of foreign branches  of
U.S.  banks and of foreign banks are obligations  of the issuing bank and may be
general obligations  of  the parent  bank.  Such obligations,  however,  may  be
limited  by the terms of a specific  obligation and by government regulation. As
with  investment  in  non-U.S.  securities   in  general,  investments  in   the
obligations  of foreign branches of U.S. banks  and of foreign banks may subject
the the Strategic  Income Fund and  the Portfolio to  investment risks that  are
different  in some respects from those of investments in obligations of domestic
issuers. Although the  Strategic Income  Fund and the  Portfolio typically  will
acquire  obligations issued and supported by the credit of U.S. or foreign banks
having total assets at  the time of  purchase in excess of  $1 billion, this  $1
billion  figure is not an investment policy or restriction of either Fund or the
Portfolio. For  the purposes  of  calculation with  respect  to the  $1  billion
figure,  the assets of a bank  will be deemed to include  the assets of its U.S.
and non-U.S. branches.
 
REPURCHASE AGREEMENTS
A repurchase agreement is a  transaction in which the  Fund or Portfolio buys  a
security  from a bank or recognized securities dealer and simultaneously commits
to resell that security to the bank or dealer at an agreed upon price, date  and
market  rate  of  interest unrelated  to  the  coupon rate  or  maturity  of the
purchased security. Although repurchase agreements carry
 
                   Statement of Additional Information Page 3
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
certain risks not  associated with direct  investments in securities,  including
possible decline in the market value of the underlying securities and delays and
costs  to the Funds or Portfolio if  the other party to the repurchase agreement
becomes bankrupt, the Government Income Fund, the Strategic Income Fund and  the
Portfolio  intend  to  enter  into repurchase  agreements  only  with  banks and
broker/dealers believed by the  Sub-adviser to present  minimal credit risks  in
accordance  with guidelines  approved by  the Company's  Board of  Trustees. The
Sub-adviser reviews and monitors the creditworthiness of such institutions under
the Board's general supervision.
    
 
The Government Income  Fund, the Strategic  Income Fund and  the Portfolio  will
invest only in repurchase agreements collateralized at all times in an amount at
least  equal to the repurchase  price plus accrued interest.  To the extent that
the proceeds from any sale of such  collateral upon a default in the  obligation
to  repurchase were less than the  repurchase price, the Government Income Fund,
the Strategic Income Fund or the Portfolio would suffer a loss. If the financial
institution which is party to the repurchase agreement petitions for  bankruptcy
or  otherwise  becomes subject  to bankruptcy  or other  liquidation proceedings
there may be restrictions  on the Government Income  Fund, the Strategic  Income
Fund's  or the  Portfolio's ability  to sell  the collateral  and the Government
Income Fund, the  Strategic Income Fund  or the Portfolio  could suffer a  loss.
However,  with respect to financial institutions whose bankruptcy or liquidation
proceedings are subject to the U.S. Bankruptcy Code, the Government Income Fund,
the Strategic Income  Fund and the  Portfolio intend to  comply with  provisions
under  such Code that would  allow the immediate resale  of such collateral. The
Government Income  Fund  will not  enter  into  a repurchase  agreement  with  a
maturity  of more than seven days if, as a result, more than 10% of the value of
its total  assets would  be invested  in such  repurchase agreements  and  other
illiquid  investments  and  securities  for which  no  readily  available market
exists.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
The Government Income Fund's borrowings will not exceed 30% of the Fund's  total
assets,  i.e., the Fund's total assets at all  times will equal at least 300% of
the amount of outstanding borrowings. If market fluctuations in the value of the
Fund's portfolio holdings or other factors  cause the ratio of the Fund's  total
assets  to  outstanding  borrowings  to  fall  below  300%,  within  three  days
(excluding Sundays and holidays) of such event the Fund may be required to  sell
portfolio  securities to  restore the 300%  asset coverage, even  though from an
investment standpoint such sales might be disadvantageous. The Strategic  Income
Fund's  and the Portfolio's borrowings will not  exceed 33 1/3% of the Strategic
Income Fund's or the Portfolio's, respective total assets. The Government Income
Fund, the Strategic Income Fund  and the Portfolio each may  borrow up to 5%  of
its  respective total assets  for temporary or emergency  purposes other than to
meet redemptions. Any  borrowing by a  Fund or the  Portfolio may cause  greater
fluctuation in the value of its shares than would be the case if the Fund or the
Portfolio did not borrow.
 
   
The  Government Income Fund's,  the Strategic Income  Fund's and the Portfolio's
fundamental investment  limitations permit  it to  borrow money  for  leveraging
purposes. The Government Income Fund, however, currently is prohibited, pursuant
to  a  non-fundamental  investment  policy, from  borrowing  money  in  order to
purchase securities. Nevertheless, this policy may be changed in the future by a
vote of a majority of the Company's Board of Trustees. The Strategic Income Fund
and Portfolio may borrow for leveraging  purposes. If the Strategic Income  Fund
or  the Portfolio  employs leverage, it  would be subject  to certain additional
risks. Use of leverage creates an opportunity for greater growth of capital  but
would exaggerate any increases or decreases in the Fund's or the Portfolio's net
asset value. When the income and gains on securities purchased with the proceeds
of borrowings exceed the costs of such borrowings, the Government Income Fund's,
the  Strategic Income Fund's or the Portfolio's earnings or net asset value will
increase faster than otherwise would be the case; conversely, if such income and
gains fail to exceed such costs, the  Fund's or the Portfolio's earnings or  net
asset value would decline faster than would otherwise be the case.
    
 
   
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
enter into reverse repurchase  agreements. A reverse  repurchase agreement is  a
borrowing transaction in which a Fund or the Portfolio transfers possession of a
security  to another party, such as a bank or broker/dealer, in return for cash,
and agrees to repurchase  the security in  the future at  an agreed upon  price,
which  includes an interest component. The Government Income Fund, the Strategic
Income Fund and the Portfolio also  may engage in "roll" borrowing  transactions
which  involve a Fund's or the  Portfolio's sale of Government National Mortgage
Association certificates or  other securities  together with  a commitment  (for
which  a Fund or the  Portfolio may receive a fee)  to purchase similar, but not
identical, securities  at  a  future  date.  The  Government  Income  Fund,  the
Strategic Income Fund and the Portfolio will segregate with a custodian, cash or
liquid  securities in an amount sufficient to cover its obligations under "roll"
transactions  and  reverse  repurchase  agreements  with  broker/  dealers.   No
segregation is required for reverse repurchase agreements with banks.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
SHORT SALES
The Government Income Fund, the Strategic Income Fund and the Portfolio may make
short  sales of securities, although they have no current intention of doing so.
A short sale is a transaction in which a Fund or the Portfolio sells a  security
in  anticipation  that  the market  price  of  that security  will  decline. The
Government Income Fund,  the Strategic Income  Fund and the  Portfolio may  make
short  sales as a form of hedging to offset potential declines in long positions
in securities  it owns,  or  anticipates acquiring,  and  in order  to  maintain
portfolio flexibility. The Government Income Fund, the Strategic Income Fund and
the Portfolio only may make short sales "against the box." In this type of short
sale,  at the time of the  sale, the Fund or the  Portfolio owns the security it
has sold  short or  has the  immediate and  unconditional right  to acquire  the
identical security at no additional cost.
 
In a short sale, the seller does not immediately deliver the securities sold and
does  not receive the proceeds from the sale. To make delivery to the purchaser,
the executing broker borrows  the securities being sold  short on behalf of  the
seller. The seller is said to have a short position in the securities sold until
it  delivers the securities sold, at which  time it receives the proceeds of the
sale. To secure its obligation to deliver securities sold short, the  Government
Income  Fund,  the Strategic  Income Fund  or  the Portfolio  will deposit  in a
separate account with its custodian an equal amount of the securities sold short
or securities convertible into or exchangeable  for such securities at no  cost.
The  Government Income  Fund, the Strategic  Income Fund or  the Portfolio could
close out a short position by purchasing  and delivering an equal amount of  the
securities  sold short, rather than by delivering securities already held by the
Fund or the Portfolio, because the Fund or the Portfolio might want to  continue
to  receive interest and  dividend payments on securities  in its portfolio that
are convertible into the securities sold short.
 
   
The Government Income Fund,  the Strategic Income Fund  and the Portfolio  might
make  a short sale "against the box" in order to hedge against market risks when
the Sub-adviser believes  that the price  of a security  may decline, causing  a
decline  in the  value of a  security owned  by the Government  Income Fund, the
Strategic Income  Fund  or the  Portfolio  or  a security  convertible  into  or
exchangeable  for  such  security.  In  such  case,  any  future  losses  in the
Government Income Fund's, the  Strategic Income Fund's  Fund or the  Portfolio's
long position should be reduced by a gain in the short position. Conversely, any
gain in the long position should be reduced by a loss in the short position. The
extent  to which  such gains  or losses  in the  long position  are reduced will
depend upon the amount of  the securities sold short  relative to the amount  of
the  securities the Fund  or the Portfolio owns,  either directly or indirectly,
and, in the  case where  a Fund or  the Portfolio  owns convertible  securities,
changes  in the  investment values  or conversion  premiums of  such securities.
There will be certain additional  transaction costs associated with short  sales
"against  the box," but  a Fund or  the Portfolio will  endeavor to offset these
costs with income from the investment of the cash proceeds of short sales.
    
 
                   Statement of Additional Information Page 5
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The use of options, futures  contracts and forward currency contracts  ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1)  Successful  use  of  most of  these  instruments  depends  upon the
    Sub-adviser's ability to  predict movements  of the  overall securities  and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the  use of these instruments, there can be no assurance that any particular
    strategy adopted will succeed.
    
 
        (2) There  might  be  imperfect correlation,  or  even  no  correlation,
    between  price  movements  of  an  instrument  and  price  movements  of the
    investments being hedged. For example, if the value of an instrument used in
    a short hedge  increased by less  than the  decline in value  of the  hedged
    investment,  the  hedge  would  not  be fully  successful.  Such  a  lack of
    correlation might  occur  due to  factors  unrelated  to the  value  of  the
    investments  being hedged,  such as  speculative or  other pressures  on the
    markets in  which the  hedging instrument  is traded.  The effectiveness  of
    hedges  using hedging  instruments on indices  will depend on  the degree of
    correlation between price movements in the index and price movements in  the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or  partially offsetting the negative  effect of unfavorable price movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity for gain by  offsetting the positive  effect of favorable  price
    movements in the hedged investments. For example, if a Fund or the Portfolio
    entered  into a short  hedge because the Sub-adviser  projected a decline in
    the price of a security in the Fund's or the Portfolio's portfolio, and  the
    price  of that security increased instead, the gain from that increase might
    by wholly or  partially offset  by a  decline in  the price  of the  hedging
    instrument.  Moreover, if  the price of  the hedging  instrument declined by
    more than  the increase  in  the price  of the  security,  the Fund  or  the
    Portfolio  could  suffer  a loss.  In  either  such case,  the  Fund  or the
    Portfolio would have been in a better position had it not hedged at all.
    
 
        (4) As described  below, a Fund  or the Portfolio  might be required  to
    maintain  assets  as "cover,"  maintain segregated  accounts or  make margin
    payments when it  takes positions  in instruments  involving obligations  to
    third parties (I.E., instruments other than purchased options). If a Fund or
    the Portfolio were unable to close out its positions in such instruments, it
    might  be required to continue  to maintain such assets  or accounts or make
    such payments until the position expired or matured. The requirements  might
    impair  the Fund's  ability or the  Portfolio's ability to  sell a portfolio
    security or  make  an  investment at  a  time  when it  would  otherwise  be
    favorable  to  do so,  or  require that  the Fund  or  the Portfolio  sell a
    portfolio security at a disadvantageous time. The Fund's or the  Portfolio's
    ability  to close  out a  position in an  instrument prior  to expiration or
    maturity depends on the  existence of a liquid  secondary market or, in  the
    absence  of such a market, the ability and willingness of the other party to
    the transaction ("contra party") to enter into a transaction closing out the
    position. Therefore, there is no assurance  that any position can be  closed
    out at a time and price that is favorable to the Fund or the Portfolio.
 
WRITING CALL OPTIONS
   
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
write (sell) call options  on securities, indices  and currencies. Call  options
generally  will be written on securities and  currencies that, in the opinion of
the Sub-adviser are  not expected  to make  any major  price moves  in the  near
future but that, over the long term, are deemed to be attractive investments for
the Government Income Fund, the Strategic Income Fund and the Portfolio.
    
 
A  call option  gives the  holder (buyer)  the right  to purchase  a security or
currency at a specified price (the  exercise price) at any time until  (American
Style)  or on (European Style) a certain  date (the expiration date). So long as
the obligation of the writer of a  call option continues, he may be assigned  an
exercise  notice, requiring him  to deliver the  underlying security or currency
against payment  of the  exercise  price. This  obligation terminates  upon  the
expiration  of the call option, or such earlier time at which the writer effects
a closing  purchase  transaction  by  purchasing an  option  identical  to  that
previously sold.
 
                   Statement of Additional Information Page 6
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Portfolio  securities or currencies on which call options may be written will be
purchased solely on  the basis  of investment considerations  consistent with  a
Fund's or the Portfolio's investment objectives. When writing a call option, the
Government  Income Fund, the  Strategic Income Fund or  the Portfolio, in return
for the premium, gives up  the opportunity for profit  from a price increase  in
the  underlying security or  currency above the exercise  price, and retains the
risk of loss should the  price of the security  or currency decline. Unlike  one
who  owns  securities or  currencies not  subject to  an option,  a Fund  or the
Portfolio has no control  over when it  may be required  to sell the  underlying
securities  or currencies, since most options may be exercised at any time prior
to the option's expiration. If  a call option that a  Fund or the Portfolio  has
written  expires, the Fund or the Portfolio will realize a gain in the amount of
the premium; however, such gain may be  offset by a decline in the market  value
of  the underlying security  or currency during  the option period.  If the call
option is exercised, the Fund or the Portfolio will realize a gain or loss  from
the  sale of  the underlying  security or currency,  which will  be increased or
offset by the premium received. The Government Income Fund, the Strategic Income
Fund and the Portfolio do not consider a security or currency covered by a  call
option to be "pledged" as that term is used in the Government Income Fund's, the
Strategic  Income Fund's and the  Portfolio's fundamental investment policy that
limits the pledging or mortgaging of its assets.
 
Writing call options can serve as a limited short hedge because declines in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
appreciates to a price higher than the exercise price of the call option, it can
be  expected that the option will be exercised  and a Fund or the Portfolio will
be obligated to sell the security or currency at less than its market value.
 
   
The premium that the  Government Income Fund, the  Strategic Income Fund or  the
Portfolio  receives for writing a call option is deemed to constitute the market
value of  an option.  The premium  a Fund  or the  Portfolio will  receive  from
writing a call option will reflect, among other things, the current market price
of  the underlying  investment, the relationship  of the exercise  price to such
market price, the historical price volatility of the underlying investment,  and
the length of the option period. In determining whether a particular call option
should  be  written, the  Sub-adviser will  consider  the reasonableness  of the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing transactions  will  be effected  in  order to  realize  a profit  on  an
outstanding  call option,  to prevent  an underlying  security or  currency from
being called, or  to permit  the sale of  the underlying  security or  currency.
Furthermore,  effecting a closing transaction  will permit the Government Income
Fund, the Strategic Income Fund or the Portfolio to write another call option on
the underlying  security or  currency with  either a  different exercise  price,
expiration date or both.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio will pay
transaction costs in connection with the writing of options and in entering into
closing  purchase  contracts.  Transaction costs  relating  to  options activity
normally are higher than  those applicable to purchases  and sales of  portfolio
securities.
 
The  exercise price of the  options may be below, equal  to or above the current
market values of the underlying securities or currencies at the time the options
are written.  From  time to  time,  a Fund  or  the Portfolio  may  purchase  an
underlying  security or currency for delivery in accordance with the exercise of
an option, rather than delivering such security or currency from its  portfolio.
In such cases, additional costs will be incurred.
 
A  Fund or the Portfolio  will realize a profit or  loss from a closing purchase
transaction if the cost of the  transaction is less or more, respectively,  than
the  premium received from  writing the option. Because  increases in the market
price of a call option generally will  reflect increases in the market price  of
the underlying security or currency, any loss resulting from the repurchase of a
call  option is likely to be  offset in whole or in  part by appreciation of the
underlying security or currency owned by a Fund or the Portfolio.
 
WRITING PUT OPTIONS
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
write  put options on securities, indices and currencies. A put option gives the
purchaser of  the  option  the  right  to sell,  and  the  writer  (seller)  the
obligation  to buy, the underlying security or currency at the exercise price at
anytime until (American Style) or on  (European Style) the expiration date.  The
operation  of put options  in other respects, including  their related risks and
rewards, is substantially identical to that of call options.
 
   
A Fund or the Portfolio generally would write put options in circumstances where
the Sub-adviser wishes to purchase the  underlying security or currency for  the
Fund's  or the Portfolio's  portfolio at a  price lower than  the current market
price of the  security or currency.  In such  event, the Fund  or the  Portfolio
would  write a  put option  at an  exercise price  that, reduced  by the premium
received on the option, reflects the lower price it is willing to pay. Since the
Fund or  the  Portfolio  also  would receive  interest  on  debt  securities  or
currencies  maintained to cover the exercise price of the option, this technique
    
 
                   Statement of Additional Information Page 7
<PAGE>
                             GT GLOBAL INCOME FUNDS
could be used to  enhance current return during  periods of market  uncertainty.
The  risk in such a transaction would be that the market price of the underlying
security or currency  would decline below  the exercise price  less the  premium
received.
 
Writing  put options can serve as a  limited long hedge because increases in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
depreciates to a price lower than the  exercise price of the put option, it  can
be  expected that the put  option will be exercised and  a Fund or the Portfolio
will be  obligated to  purchase the  security or  currency at  greater than  its
market value.
 
PURCHASING PUT OPTIONS
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
purchase put options on securities, indices  and currencies. As the holder of  a
put  option,  the  Government Income  Fund,  the  Strategic Income  Fund  or the
Portfolio would have the  right to sell the  underlying security or currency  at
the  exercise price at any time until (American Style or on (European Style) the
expiration date. The Government  Income Fund, the Strategic  Income Fund or  the
Portfolio may enter into closing sale transactions with respect to such options,
exercise them or permit them to expire.
 
A  Fund or the Portfolio may purchase a  put option on an underlying security or
currency ("protective put")  owned by  the Fund or  the Portfolio  as a  hedging
technique in order to protect against an anticipated decline in the value of the
security  or currency. Such hedge protection is provided only during the life of
the put option when the Fund or the Portfolio, as the holder of the put  option,
is  able to sell the  underlying security or currency  at the put exercise price
regardless  of  any  decline  in  the  underlying  security's  market  price  or
currency's  exchange  value.  The  premium  paid  for  the  put  option  and any
transaction costs would reduce any  profit otherwise available for  distribution
when the security or currency eventually is sold.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio also may
purchase  put options at a time when that Fund or the Portfolio does not own the
underlying security or  currency. By  purchasing put  options on  a security  or
currency  it does  not own,  a Fund  or the  Portfolio seeks  to benefit  from a
decline in the market price of the  underlying security or currency. If the  put
option  is not sold when it has remaining  value, and if the market price of the
underlying security or currency  remains equal to or  greater than the  exercise
price during the life of the put option, the Fund or the Portfolio will lose its
entire  investment in the put option. In order  for the purchase of a put option
to be profitable, the market price  of the underlying security or currency  must
decline  sufficiently  below  the  exercise  price  to  cover  the  premium  and
transaction costs, unless the put option is sold in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Government  Income Fund,  the Strategic  Income Fund  or the  Portfolio  may
purchase  call options on securities, indices and currencies. As the holder of a
call option,  a Fund  or the  Portfolio would  have the  right to  purchase  the
underlying  security  or  currency  at  the exercise  price  at  any  time until
(American Style)  or on  (European Style)  the expiration  date. A  Fund or  the
Portfolio may enter into closing sale transactions with respect to such options,
exercise them or permit them to expire.
 
Call  options may  be purchased by  a Fund or  the Portfolio for  the purpose of
acquiring the underlying  security or  currency for its  portfolio. Utilized  in
this  fashion,  the  purchase of  call  options  would enable  the  Fund  or the
Portfolio to acquire the security or currency at the exercise price of the  call
option  plus the premium paid. At times,  the net cost of acquiring the security
or currency in this manner may be  less than the cost of acquiring the  security
or  currency  directly. This  technique  also may  be useful  to  a Fund  or the
Portfolio in purchasing a large block of securities that would be more difficult
to acquire by direct market purchases. So  long as it holds such a call  option,
rather  than the underlying security or currency itself, a Fund or the Portfolio
is partially protected from  any unexpected decline in  the market price of  the
underlying  security or currency and, in such event, could allow the call option
to expire, incurring  a loss  only to  the extent of  the premium  paid for  the
option.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio also may
purchase  call options on  underlying securities or currencies  it owns to avoid
realizing losses that would result in a reduction of a Fund's or the Portfolio's
current return. For example, where  a Fund or the  Portfolio has written a  call
option on an underlying security or currency having a current market value below
the  price at which  it purchased the  security or currency,  an increase in the
market price could result in the exercise of the call option written by the Fund
or the Portfolio and  the realization of  a loss on  the underlying security  or
currency. Accordingly, the Fund or the Portfolio could purchase a call option on
the  same underlying security  or currency, which could  be exercised to fulfill
the Fund's or the Portfolio's delivery obligations under its written call (if it
is exercised). This  strategy could  allow the Fund  or the  Portfolio to  avoid
selling  the portfolio security or currency at  a time when it has an unrealized
loss; however, the Fund or the Portfolio would have to pay a premium to purchase
the call option plus transaction costs.
 
                   Statement of Additional Information Page 8
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Aggregate premiums paid for put and call options will not exceed 5% of a  Fund's
or the Portfolio's total assets at the time of purchase.
 
The  Government  Income Fund,  the Strategic  Income Fund  or the  Portfolio may
attempt to  accomplish objectives  similar to  those involved  in using  Forward
Contracts  by purchasing put or call options on currencies. A put option gives a
Fund or the Portfolio as purchaser the right (but not the obligation) to sell  a
specified  amount of currency at the exercise  price at any time until (American
Style) or on (European Style) the expiration of the option. A call option  gives
a  Fund or  the Portfolio  as purchaser  the right  (but not  the obligation) to
purchase a specified amount of currency at the exercise price at any time  until
(American  Style) or on (European Style) the expiration of the option. A Fund or
the Portfolio might  purchase a  currency put  option, for  example, to  protect
itself  against a decline in the dollar value of a currency in which it holds or
anticipates holding securities. If the  currency's value should decline  against
the dollar, the loss in currency value should be offset, in whole or in part, by
an increase in the value of the put. If the value of the currency instead should
rise  against the dollar, any gain to the Fund or the Portfolio would be reduced
by the premium it had paid for the  put option. A currency call option might  be
purchased, for example, in anticipation of, or to protect against, a rise in the
value  against  the dollar  of a  currency in  which the  Fund or  the Portfolio
anticipates purchasing securities.
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates.  The Funds and the  Portfolio will not purchase  an OTC option unless the
Fund or  the Portfolio  believes  that daily  valuations  for such  options  are
readily  obtainable. OTC options differ from exchange-traded options in that OTC
options are  transacted  with  dealers  directly  and  not  through  a  clearing
corporation  (which guarantees  performance). Consequently,  there is  a risk of
non-performance by the dealer.  Since no exchange is  involved, OTC options  are
valued on the basis of the average of the last bid prices obtained from dealers,
unless  a quotation from only  one dealer is available,  in which case only that
dealer's price  will be  used. In  the  case of  OTC options,  there can  be  no
assurance that a liquid secondary market will exist for any particular option at
any specific time.
 
The  staff of the Securities and Exchange Commission ("SEC") considers purchased
OTC options to be illiquid securities. A Fund or the Portfolio may also sell OTC
options and, in connection therewith, segregate assets or cover its  obligations
with  respect to OTC  options written by  the Fund or  the Portfolio. The assets
used as  cover for  OTC options  written  by a  Fund or  the Portfolio  will  be
considered  illiquid unless  the OTC options  are sold to  qualified dealers who
agree that the Fund or the Portfolio may repurchase any OTC option it writes  at
a maximum price to be calculated by a formula set forth in the option agreement.
The  cover  for  an  OTC  option written  subject  to  this  procedure  would be
considered illiquid only to the extent  that the maximum repurchase price  under
the formula exceeds the intrinsic value of the option.
 
A  Fund's or  the Portfolio's  ability to establish  and close  out positions in
exchange-listed options depends on the existence  of a liquid market. Each  Fund
and  the  Portfolio  intends to  purchase  or write  only  those exchange-traded
options for which there appears to be a liquid secondary market. However,  there
can  be  no assurance  that such  a market  will exist  at any  particular time.
Closing transactions can be  made for OTC options  only by negotiating  directly
with  the contra party or  by a transaction in the  secondary market if any such
market exists. Although each Fund and the Portfolio will enter into OTC  options
only  with  contra parties  that are  expected  to be  capable of  entering into
closing transactions with the Fund or the Portfolio, there is no assurance  that
the  Fund or  the Portfolio  will in  fact be  able to  close out  an OTC option
position at a favorable price prior  to expiration. In the extent of  insolvency
of  the contra party, the Fund or the  Portfolio might be unable to close out an
OTC option position at any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in  individual securities  or futures  contracts. When  a Fund  or the Portfolio
writes a call on an index, it receives  a premium and agrees that, prior to  the
expiration  date, the  purchaser of  the call, upon  exercise of  the call, will
receive from the Fund or the Portfolio an amount of cash if the closing level of
the index upon which the call is based is greater than the exercise price of the
call. The amount of cash is equal to the difference between the closing price of
the index and the  exercise price of  the call times  a specified multiple  (the
"multiplier"),  which determines the  total dollar value for  each point of such
difference. When a  Fund or the  Portfolio buys a  call on an  index, it pays  a
premium  and has the same rights as to  such call as are indicated above. When a
Fund or the Portfolio  buys a put  on an index,  it pays a  premium and has  the
right,  prior to the expiration date, to require the seller of the put, upon the
Fund's or the Portfolio's  exercise of the  put, to deliver to  the Fund or  the
Portfolio an amount of cash if the closing level of the index upon which the put
is  based is less  than the exercise price  of the put, which  amount of cash is
 
                   Statement of Additional Information Page 9
<PAGE>
                             GT GLOBAL INCOME FUNDS
determined by the multiplier, as described above  for calls. When a Fund or  the
Portfolio  writes a put on an index, it receives a premium and the purchaser has
the right, prior to the expiration date, to require the Fund or the Portfolio to
deliver to it  an amount of  cash equal  to the difference  between the  closing
level  of the index and the exercise  price times the multiplier, if the closing
level is less than the exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities.  Because  index options  are settled  in  cash, when  a Fund  or the
Portfolio writes  a call  on  an index  it cannot  provide  in advance  for  its
potential  settlement  obligations  by  acquiring  and  holding  the  underlying
securities. A Fund or  the Portfolio can  offset some of the  risk of writing  a
call  index option  position by  holding a  diversified portfolio  of securities
similar to those on which the underlying index is based. However, a Fund or  the
Portfolio cannot, as a practical matter, acquire and hold a portfolio containing
exactly the same securities as underlie the index and, as a result, bears a risk
that the value of the securities held will vary from the value of the index.
 
Even  if a  Fund or  the Portfolio  could assemble  a securities  portfolio that
exactly reproduced the composition of the  underlying index, it still would  not
be fully covered from a risk standpoint because of the "timing risk" inherent in
writing  index options. When  an index option  is exercised, the  amount of cash
that the holder is entitled to  receive is determined by the difference  between
the  exercise price and the  closing index level on the  date when the option is
exercised. As with other  kinds of options,  the Fund or  the Portfolio, as  the
call writer, will not know that it has been assigned until the next business day
at the earliest. The time lag between exercise and notice of assignment poses no
risk for the writer of a covered call on a specific underlying security, such as
common stock, because there the writer's obligation is to deliver the underlying
security,  not to pay its value  as of a fixed time in  the past. So long as the
writer already  owns the  underlying  security, it  can satisfy  its  settlement
obligations  by  simply delivering  it, and  the  risk that  its value  may have
declined since the exercise date is borne by the exercising holder. In contrast,
even if the  writer of an  index call  holds securities that  exactly match  the
composition  of  the  underlying index,  it  will  not be  able  to  satisfy its
assignment obligations by  delivering those  securities against  payment of  the
exercise  price. Instead, it will be required to  pay cash in an amount based on
the closing index value on the exercise date; and by the time it learns that  it
has  been assigned, the index may have declined, with a corresponding decline in
the value  of  its securities  portfolio.  This  "timing risk"  is  an  inherent
limitation  on the ability of index call writers to cover their risk exposure by
holding securities positions.
 
If a Fund or the Portfolio purchases an index option and exercises it before the
closing index value for that day is  available, it runs the risk that the  level
of  the underlying index  may subsequently change.  If such a  change causes the
exercised option to  fall out-of-the-money, the  Fund or the  Portfolio will  be
required  to pay the difference between the closing index value and the exercise
price of the option (times the applicable multiplier) to the assigned writer.
 
INTEREST RATE AND CURRENCY FUTURES CONTRACTS
The Government Income Fund, the Strategic Income Fund or the Portfolio may enter
into interest rate or currency futures contracts, including futures contracts on
indices of  debt securities,  ("Futures"  or "Futures  Contracts"), as  a  hedge
against  changes in  prevailing levels  of interest  rates or  currency exchange
rates in order to establish more  definitely the effective return on  securities
or  currencies held or intended to be acquired by the Fund or the Portfolio. The
Government Income Fund, the Strategic  Income Fund's or the Portfolio's  hedging
may  include  sales of  Futures  as an  offset  against the  effect  of expected
increases in  interest  rates  or  decreases in  currency  exchange  rates,  and
purchases  of Futures as  an offset against  the effect of  expected declines in
interest rates or increases in currency exchange rates.
 
The Government Income Fund's, the Strategic  Income Fund and the Portfolio  only
will  enter into Futures Contracts that are  traded on futures exchanges and are
standardized as to  maturity date and  underlying financial instrument.  Futures
exchanges  and  trading thereon  in the  United States  are regulated  under the
Commodity Exchange Act  by the  Commodity Futures  Trading Commission  ("CFTC").
Futures  are exchanged in  London at the  London International Financial Futures
Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to  reduce  a Fund's  or  the Portfolio's  exposure  to interest  rate  and
currency  exchange rate  fluctuations, a  Fund or the  Portfolio may  be able to
hedge exposure  more effectively  and  at a  lower  cost through  using  Futures
Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of  a specified amount  of a specific  financial instrument  (debt
security  or currency)  for a  specified price  at a  designated date,  time and
place. An index  Futures Contract  provides for  the delivery,  at a  designated
date,  time and place, of  an amount of cash equal  to a specified dollar amount
times the difference  between the index  value at  the close of  trading on  the
contract  and the price at  which the Futures Contract  is originally struck; no
physical delivery  of the  securities comprising  the index  is made.  Brokerage
 
                  Statement of Additional Information Page 10
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                             GT GLOBAL INCOME FUNDS
fees are incurred when a Futures Contract is bought or sold, and margin deposits
must be maintained at all times the Futures Contract is outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  usually are closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively,   for  the  same  aggregate  amount  of  the  identical  financial
instrument or currency and  the same delivery date.  If the offsetting  purchase
price  is less  than the  original sale price,  the Government  Income Fund, the
Strategic Income Fund  or the  Portfolio realizes  a gain;  if it  is more,  the
Government  Income Fund, the  Strategic Income Fund or  the Portfolio realizes a
loss. Conversely,  if  the offsetting  sale  price  is more  than  the  original
purchase  price, the  Government Income Fund,  the Strategic Income  Fund or the
Portfolio realizes  a gain;  if it  is  less, the  Government Income  Fund,  the
Strategic  Income Fund or  the Portfolio realizes a  loss. The transaction costs
also must be included in these calculations. There can be no assurance, however,
that a  Fund  or  the  Portfolio  will be  able  to  enter  into  an  offsetting
transaction  with respect to a particular Futures Contract at a particular time.
If a Fund or the Portfolio is not able to enter into an offsetting  transaction,
the  Fund or the Portfolio  will continue to be  required to maintain the margin
deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from  the sale of one Futures Contract of September Deutschemarks on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of  another Futures  Contract of  September Deutschemarks  on the  same
exchange.  In  such instance,  the  difference between  the  price at  which the
Futures Contract was sold and the price paid for the offsetting purchase,  after
allowance for transaction costs, represents the profit or loss to the Government
Income Fund, the Strategic Income Fund or the Portfolio.
 
The  Government Income  Fund, the  Strategic Income  Fund's and  the Portfolio's
Futures transactions will be  entered into for hedging  purposes only; that  is,
Futures  Contracts will  be sold to  protect against  a decline in  the price of
securities or  currencies  that the  Fund  or  the Portfolio  owns,  or  Futures
Contracts  will be  purchased to  protect the Fund  or the  Portfolio against an
increase in the price of securities  or currencies it has committed to  purchase
or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by  the Government  Income  Fund, the  Strategic  Income Fund  or  the
Portfolio in order to initiate Futures trading and to maintain the Fund's or the
Portfolio's  open positions in Futures Contracts. A margin deposit made when the
Futures Contract is  entered into  ("initial margin")  is intended  to assure  a
Fund's  or the  Portfolio's performance under  the Futures  Contract. The margin
required for a particular Futures Contract is  set by the exchange on which  the
Futures  Contract is traded, and may be modified significantly from time to time
by the exchange during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through  which the Fund  or the Portfolio  entered into the
Futures Contract will be made  on a daily basis as  the price of the  underlying
security,  currency or index fluctuates making the Futures Contract more or less
valuable, a process known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in interest and currency rates, which in turn are affected by fiscal and
monetary policies and national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and  prices  of the  securities  or  currencies in  a  Fund's  or the
Portfolio's portfolio being  hedged. The degree  of imperfection of  correlation
depends  upon circumstances such as: variations in speculative market demand for
Futures and  for securities  or currencies,  including technical  influences  in
Futures  trading; and differences between the financial instruments being hedged
and the  instruments underlying  the standard  Futures Contracts  available  for
trading.  A  decision of  whether, when,  and  how to  hedge involves  skill and
judgment, and even  a well-conceived hedge  may be unsuccessful  to some  degree
because of unexpected market behavior or interest or currency rate trends.
 
Because  of  the  low  margin deposits  required,  Futures  trading  involves an
extremely high  degree  of leverage.  As  a  result, a  relatively  small  price
movement  in a Futures Contract may result in immediate and substantial loss, as
well as gain, to the investor. For example,  if at the time of purchase, 10%  of
the  value of  the Futures  Contract is  deposited as  margin, a  subsequent 10%
decrease in the value of  the Futures Contract would result  in a total loss  of
the  margin  deposit, before  any deduction  for the  transaction costs,  if the
account were then closed  out. A 15%  decrease would result in  a loss equal  to
150%  of the original margin  deposit, if the Futures  Contract were closed out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
                  Statement of Additional Information Page 11
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and option on Futures Contract prices during a single trading day.  The
daily  limit establishes the maximum amount that the price of a Futures Contract
or option may vary either up or down from the previous day's settlement price at
the end  of a  trading session.  Once  the daily  limit has  been reached  in  a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a  particular trading day and therefore does not limit potential losses, because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and option  prices  occasionally have  moved  to  the daily  limit  for  several
consecutive  trading days with  little or no  trading, thereby preventing prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If a Fund  or the  Portfolio were  unable to liquidate  a Futures  or option  on
Futures  position  due  to the  absence  of  a liquid  secondary  market  or the
imposition of price limits, it could  incur substantial losses. The Fund or  the
Portfolio  would  continue to  be subject  to  market risk  with respect  to the
position. In addition, except in the case of purchased options, the Fund or  the
Portfolio  would continue to be required to make daily variation margin payments
and might be required  to maintain the  position being hedged  by the Future  or
option or to maintain cash or securities in a segregated account.
 
Certain  characteristics  of the  Futures market  might  increase the  risk that
movements in the  prices of Futures  Contracts or options  on Futures might  not
correlate  perfectly  with  movements in  the  prices of  the  investments being
hedged. For example,  all participants  in the  Futures and  options on  Futures
markets  are subject to daily  variation margin calls and  might be compelled to
liquidate Futures  or  options on  Futures  positions whose  prices  are  moving
unfavorably  to avoid being  subject to further  calls. These liquidations could
increase price  volatility  of the  instruments  and distort  the  normal  price
relationship  between the Futures  or options and  the investments being hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous than  margin requirements  in  the securities  markets, there  might  be
increased   participation   by  speculators   in   the  Futures   markets.  This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage,  "program trading"  and other  investment strategies  might result in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options on Futures Contracts are similar to options on securities or  currencies
except that options on Futures Contracts give the purchaser the right, in return
for  the  premium paid,  to  assume a  position in  a  Futures Contract  (a long
position if the option is a call and a short position if the option is a put) at
a specified exercise price  at any time  during the period  of the option.  Upon
exercise  of the option, the  delivery of the Futures  position by the writer of
the option to the holder  of the option will be  accompanied by delivery of  the
accumulated balance in the writer's Futures margin account, which represents the
amount  by which the market price of  the Futures Contract, at exercise, exceeds
(in the case of  a call) or  is less than (in  the case of  a put) the  exercise
price  of the option on  the Futures Contract. If an  option is exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to  the difference between the exercise price  of
the  option and the  closing level of  the securities, currencies  or index upon
which the  Futures Contract  is  based on  the  expiration date.  Purchasers  of
options  who fail to exercise their options  prior to the exercise date suffer a
loss of the premium paid.
 
The purchase of  call options  on Futures  can serve as  a long  hedge, and  the
purchase  of put  options on Futures  can serve  as a short  hedge. Writing call
options on Futures can serve as a  limited short hedge, and writing put  options
on  Futures can serve as a limited long  hedge, using a strategy similar to that
used for writing options on securities, foreign currencies or indices.
 
If a Fund or the  Portfolio writes an option on  a Futures Contract, it will  be
required  to  deposit  initial  and variation  margin  pursuant  to requirements
similar to those  applicable to  Futures Contracts. Premiums  received from  the
writing  of an option on  a Futures Contract are  included in the initial margin
deposit.
 
A Fund or the Portfolio may seek to  close out an option position by selling  an
option covering the same Futures Contract and having the same exercise price and
expiration  date.  The ability  to  establish and  close  out positions  on such
options is subject to the maintenance of a liquid secondary market.
 
LIMITATIONS ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS  ON
CURRENCIES
To  the  extent that  a Fund  or  the Portfolio  enters into  Futures Contracts,
options on  Futures Contracts  and options  on foreign  currencies traded  on  a
CFTC-regulated  exchange, in each case other than for BONA FIDE hedging purposes
(as defined by the CFTC), the aggregate initial margin and premiums required  to
establish   those  positions  (excluding   the  amount  by   which  options  are
"in-the-money") will not exceed 5% of the  liquidation value of a Fund's or  the
Portfolio's   portfolio,  after  taking  into  account  unrealized  profits  and
unrealized losses on any contracts the  Fund or the Portfolio has entered  into.
In  general, a call option on a  Futures Contract is "in-the-money" if the value
of the underlying Futures
 
                  Statement of Additional Information Page 12
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
Contract exceeds the strike, I.E., exercise, price of the call; a put option  on
a  Futures Contract  is "in-the-money"  if the  value of  the underlying Futures
Contract is exceeded  by the  strike price  of the  put. This  guideline may  be
modified  by the Company's or the  Portfolio's Board of Trustees, as applicable,
without a shareholder vote. This limitation  does not limit the percentage of  a
Fund's or the Portfolio's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation,  generally arranged with a commercial bank
or other  currency  dealer, to  purchase  or  sell a  currency  against  another
currency  at  a  future  date and  price  as  agreed upon  by  the  parties. The
Government Income Fund, the Strategic Income  Fund and the Portfolio either  may
accept or make delivery of the currency at the maturity of the Forward Contract.
A Fund or the Portfolio may also, if its contra party agrees, prior to maturity,
enter into a closing transaction involving the purchase or sale of an offsetting
contract.
 
A Fund or the Portfolio engages in forward currency transactions in anticipation
of,  or to protect itself against, fluctuations in exchange rates. A Fund or the
Portfolio might sell a particular foreign currency forward, for example, when it
holds bonds denominated in a foreign  currency but anticipates, and seeks to  be
protected against, a decline in the currency against the U.S. dollar. Similarly,
a  Fund or the Portfolio might sell the  U.S. dollar forward when it holds bonds
denominated in U.S. dollars but anticipates, and seeks to be protected  against,
a decline in the U.S. dollar relative to other currencies. Further, the Funds or
the  Portfolio  might purchase  a currency  forward  to "lock  in" the  price of
securities denominated in that currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any  stage for trades. The Government Income  Fund, the Strategic Income Fund or
the Portfolio will enter into such Forward Contracts with major U.S. or  foreign
banks  and securities or currency dealers in accordance with guidelines approved
by the Company's or the Portfolio's Board of Trustees, as applicable.
    
 
The Government Income Fund, the Strategic Income Fund or the Portfolio may enter
into Forward  Contracts either  with respect  to specific  transactions or  with
respect  to the  overall investment  of the Fund  or the  Portfolio. The precise
matching of the Forward  Contract amounts and the  value of specific  securities
generally  will not be possible  because the future value  of such securities in
foreign currencies will change as a consequence of market movements in the value
of those securities between  the date the Forward  Contract is entered into  and
the  date  it matures.  Accordingly, it  may be  necessary for  the Fund  or the
Portfolio to  purchase additional  foreign  currency on  the spot  (I.E.,  cash)
market  (and  bear the  expense of  such purchase)  if the  market value  of the
security is less than the amount of  foreign currency the Fund or the  Portfolio
is  obligated to deliver and if a decision is made to sell the security and make
delivery of the foreign currency. Conversely, it may be necessary to sell on the
spot market some of the foreign currency the Fund or the Portfolio is  obligated
to  deliver. The projection of short-term currency market movements is extremely
difficult, and  the successful  execution of  a short-term  hedging strategy  is
highly  uncertain. Forward Contracts involve  the risk that anticipated currency
movements will not be predicted accurately, causing the Fund or the Portfolio to
sustain losses on these contracts and transaction costs.
 
At or  before the  maturity of  a Forward  Contract requiring  the Fund  or  the
Portfolio  to  sell a  currency, the  Fund or  the Portfolio  either may  sell a
portfolio security and use the sale proceeds to make delivery of the currency or
retain the  security  and  offset  its contractual  obligation  to  deliver  the
currency  by purchasing  a second  contract pursuant  to which  the Fund  or the
Portfolio will  obtain,  on the  same  maturity date,  the  same amount  of  the
currency  that it is obligated to deliver.  Similarly, the Fund or the Portfolio
may close out a Forward Contract  requiring it to purchase a specified  currency
by  entering into a second contract, if its contra party agrees, entitling it to
sell the same  amount of the  same currency on  the maturity date  of the  first
contract.  The Fund or the Portfolio would realize a gain or loss as a result of
entering into such an offsetting  Forward Contract under either circumstance  to
the  extent the  exchange rate  or rates  between the  currencies involved moved
between the execution dates of the first contract and the offsetting contract.
 
The cost to a Fund or the Portfolio of engaging in Forward Contracts varies with
factors such as the currencies involved,  the length of the contract period  and
the  market conditions  then prevailing.  Because Forward  Contracts usually are
entered into on a principal basis, no fees or commissions are involved. The  use
of  Forward  Contracts does  not  eliminate fluctuations  in  the prices  of the
underlying securities the Fund or the Portfolio owns or intends to acquire,  but
it  does establish  a rate  of exchange in  advance. In  addition, while Forward
Contracts limit the risk  of loss due to  a decline in the  value of the  hedged
currencies,  they also  limit any  potential gain  that might  result should the
value of the currencies increase.
 
                  Statement of Additional Information Page 13
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
A Fund  or the  Portfolio may  use  options on  foreign currencies,  Futures  on
foreign  currencies,  options  on  Futures  on  foreign  currencies  and Forward
Contracts to hedge against movements in the values of the foreign currencies  in
which  the Fund's or  the Portfolio's securities  are denominated. Such currency
hedges can protect  against price movements  in a  security that a  Fund or  the
Portfolio  owns or intends  to acquire that  are attributable to  changes in the
value of the currency in which it  is denominated. Such hedges do not,  however,
protect against price movements in the securities that are attributable to other
causes.
 
   
A  Fund or the Portfolio might  seek to hedge against changes  in the value of a
particular currency  when  no  Futures  Contract,  Forward  Contract  or  option
involving  that currency is available or one of such contracts is more expensive
than certain other contracts. In such cases, the Fund or the Portfolio may hedge
against price movements in that currency by entering into a contract on  another
currency  or basket of currencies, the  values of which the Sub-adviser believes
will have a positive correlation to the value of the currency being hedged.  The
risk  that movements in the  price of the contract  will not correlate perfectly
with movements in the price of the currency being hedged is magnified when  this
strategy is used.
    
 
The  value of Futures Contracts, options on Futures Contracts, Forward Contracts
and options  on  foreign currencies  depends  on  the value  of  the  underlying
currency  relative  to the  U.S. dollar.  Because foreign  currency transactions
occurring in the  interbank market  might involve  substantially larger  amounts
than  those  involved in  the  use of  Futures  Contracts, Forward  Contracts or
options, a Fund or the  Portfolio could be disadvantaged  by dealing in the  odd
lot  market (generally consisting  of transactions of less  than $1 million) for
the underlying foreign  currencies at prices  that are less  favorable than  for
round lots.
 
There is no systematic reporting of last sale information for foreign currencies
or  any  regulatory requirements  that quotations  available through  dealers or
other market sources be firm or revised on a timely basis. Quotation information
generally is representative of very  large transactions in the interbank  market
and  thus  might not  reflect  odd-lot transactions  where  rates might  be less
favorable.  The   interbank  market   in  foreign   currencies  is   a   global,
round-the-clock  market. To the  extent the U.S. options  or Futures markets are
closed while the markets for the underlying currencies remain open,  significant
price  and rate movements might take place in the underlying markets that cannot
be reflected in  the markets  for the Futures  contracts or  options until  they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies  might  be required  to  take place  within  the country  issuing the
underlying currency. Thus, a Fund or  the Portfolio might be required to  accept
or  make delivery of the underlying foreign currency in accordance with any U.S.
or foreign regulations regarding the maintenance of foreign banking arrangements
by U.S. residents  and might  be required  to pay  any fees,  taxes and  charges
associated with such delivery assessed in the issuing country.
 
COVER
Transactions  using Forward Contracts, Futures Contracts and options (other than
options purchased by a Fund or the  Portfolio) expose the Fund or the  Portfolio
to  an obligation to another party. A Fund  or the Portfolio will not enter into
any such  transactions  unless it  owns  either (1)  an  offsetting  ("covered")
position  in  securities, currencies,  or  other options,  Forward  Contracts or
Futures Contracts, or (2) cash, receivables and short-term debt securities  with
a  value sufficient at all times to  cover its potential obligations not covered
as provided in  (1) above.  Each Fund  and the  Portfolio will  comply with  SEC
guidelines  regarding  cover for  these instruments  and,  if the  guidelines so
require, set aside cash or liquid securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of a Fund's or the Portfolio's assets are used for cover or segregated accounts,
it could affect portfolio management or the Fund's or the Portfolio's ability to
meet redemption requests or other current obligations.
 
INTEREST RATE AND CURRENCY SWAPS
   
The Strategic Income  Fund and the  Portfolio usually will  enter into  interest
rate  swaps on a net basis, that is, the two payment streams are netted out in a
cash settlement on the payment date  or dates specified in the instrument,  with
the  Strategic Income Fund or the Portfolio receiving or paying, as the case may
be, only the net amount  of the two payments. The  net amount of the excess,  if
any, of each of the Strategic Income Fund's and the Portfolio's obligations over
its  entitlements with respect to each swap will be accrued on a daily basis and
an amount of cash or  liquid securities having an  aggregate net asset value  at
least  equal  to  the accrued  excess  will be  maintained  in an  account  by a
custodian that satisfies the requirements of the 1940 Act. The Strategic  Income
Fund and the Portfolio will also establish and maintain such segregated accounts
with  respect to its total obligations under any swaps that are not entered into
on a net basis and with respect to  any caps or floors that are written by  that
Fund   or  the  Portfolio.  The  Sub-adviser,  the  Strategic  Income  Fund  and
    
 
                  Statement of Additional Information Page 14
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
the Portfolio  believe that  swaps, caps  and floors  do not  constitute  senior
securities  under the 1940  Act and, accordingly,  will not treat  them as being
subject to the Fund's and the Portfolio's borrowing restrictions. The  Strategic
Income  Fund and the Portfolio will not  enter into any swap, cap, floor, collar
or other  derivative  transaction unless,  at  the  time of  entering  into  the
transaction,  the unsecured long-term  debt rating of  the counterparty combined
with any credit enhancements is rated  at least A by Moody's Investors  Service,
Inc.  ("Moody's")  or  Standard  &  Poor's  Ratings  Group  ("S&P"),  or  has an
equivalent rating from a  nationally recognized statistical rating  organization
or  is determined to  be of equivalent  credit quality by  the Sub-adviser. If a
counterparty defaults,  the Strategic  Income  Fund or  the Portfolio  may  have
contractual remedies pursuant to the agreements related to the transactions. The
swap  market has  grown substantially  in recent years,  with a  large number of
banks and  investment banking  firms acting  both as  principals and  as  agents
utilizing  standardized swap  documentation. As  a result,  the swap  market has
become relatively liquid. Caps, floors  and collars are more recent  innovations
for  which standardized documentation has not  yet been fully developed and, for
that reason, they are less liquid than swaps.
    
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
   
The Government Income  Fund, Strategic Income  Fund and the  Portfolio each  may
invest  up  to 15%  of  net assets  in  illiquid securities.  Securities  may be
considered illiquid if a Fund or  the Portfolio cannot reasonably expect  within
seven  days  to  receive approximately  the  amount  at which  the  Fund  or the
Portfolio values such securities. The sale  of illiquid securities, if they  can
be  sold at all, generally will require more time and result in higher brokerage
charges or dealer  discounts and other  selling expenses than  will the sale  of
liquid  securities, such as  securities eligible for  trading on U.S. securities
exchanges or in the  over-the-counter markets. Moreover, restricted  securities,
which  may be illiquid for purposes of this limitation often sell, if at all, at
a price lower than  similar securities that are  not subject to restrictions  on
resale.
    
 
Illiquid  securities include those that are subject to restrictions contained in
the securities  laws of  other countries.  However, securities  that are  freely
marketable  in the country where  they are principally traded,  but would not be
freely marketable in the United States,  will not be considered illiquid.  Where
registration  is required, each Fund  and the Portfolio may  be obligated to pay
all or part of  the registration expenses and  a considerable period may  elapse
between  the time of the decision  to sell and the time  a Fund or the Portfolio
may be permitted to sell a  security under an effective registration  statement.
If,  during such a period, adverse market  conditions were to develop, a Fund or
the Portfolio might obtain a less favorable price than prevailed when it decided
to sell.
 
Not  all  restricted  securities   are  illiquid.  In   recent  years  a   large
institutional   market  has  developed  for  certain  securities  that  are  not
registered under the Securities Act of 1933, as amended ("1933 Act"),  including
private  placements, repurchase agreements, commercial paper, foreign securities
and corporate bonds and notes. These instruments are often restricted securities
because the  securities are  sold in  transactions not  requiring  registration.
Institutional investors generally will not seek to sell these instruments to the
general   public,  but  instead  will  often   depend  either  on  an  efficient
institutional market in which such unregistered securities can be readily resold
or on an issuer's ability to honor  a demand for repayment. Therefore, the  fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule  144A under the 1933 Act establishes  a "safe harbor" from the registration
requirements of the  1933 Act  for resales  of certain  securities to  qualified
institutional  buyers.  Institutional  markets  for  restricted  securities have
developed as a result of Rule 144A, providing both readily ascertainable  values
for  restricted securities and the ability to liquidate an investment to satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance and  settlement of  unregistered securities  of domestic  and  foreign
issuers,  such as  the PORTAL  System sponsored  by the  National Association of
Securities Dealers,  Inc.  An  insufficient number  of  qualified  institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
a  Fund or the  Portfolio, however, could affect  adversely the marketability of
such portfolio securities and a Fund or the Portfolio might be unable to dispose
of such securities promptly or at favorable prices.
 
                  Statement of Additional Information Page 15
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
With respect  to  liquidity determinations  generally,  the Company's  Board  of
Trustees  has  the  ultimate  responsibility  for  determining  whether specific
securities, including  restricted securities  eligible for  resale to  qualified
institutional  buyers pursuant to  Rule 144A under  the 1933 Act,  are liquid or
illiquid.  The  Board   has  delegated   the  function   of  making   day-to-day
determinations  of liquidity  to the  Sub-adviser in  accordance with procedures
approved by the Board. The Sub-adviser takes into account a number of factors in
reaching liquidity decisions,  including: (i)  the frequency of  trading in  the
security;  (ii) the number of  dealers that make quotes  for the security; (iii)
the number of dealers  that have undertaken  to make a  market in the  security;
(iv)  the  number of  other  potential purchasers;  and  (v) the  nature  of the
security and  how  trading  is effected  (e.g.,  the  time needed  to  sell  the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser will monitor the liquidity of  securities held by each Fund and  the
Portfolio  and report periodically  on such decisions to  the Company's Board of
Trustees. Moreover,  as noted  in the  Prospectus, certain  securities, such  as
those  subject  to  registration  restrictions of  more  than  seven  days, will
generally be treated as illiquid. If  the liquidity percentage restriction of  a
Fund  or the Portfolio is satisfied at  the time of investment, a later increase
in the  percentage  of illiquid  securities  held by  a  Fund or  the  Portfolio
resulting  from  a  change in  market  value  or assets  will  not  constitute a
violation of that restriction.  If as a  result of a change  in market value  or
assets,  the percentage  of illiquid  securities held  by the  Fund or Portfolio
increases above  the applicable  limit, the  Sub-adviser will  take  appropriate
steps  to  bring  the  aggregate  amount  of  illiquid  assets  back  within the
prescribed limitations as  soon as reasonably  practicable, taking into  account
the effect of any disposition on the Fund or the Portfolio.
    
 
FOREIGN SECURITIES
    POLITICAL,  SOCIAL AND ECONOMIC  RISKS. Investing in  securities of non-U.S.
companies may entail additional risks due to the potential political, social and
economic instability  of  certain  countries and  the  risks  of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility of currencies into  U.S. dollars and on  repatriation
of  capital invested.  In the  event of  such expropriation,  nationalization or
other confiscation by any country, either a Fund or the Portfolio could lose its
entire investment in any such country.
 
    RELIGIOUS, POLITICAL AND  ETHNIC INSTABILITY. Certain  countries in which  a
Fund or the Portfolio may invest may have groups that advocate radical religious
or revolutionary philosophies or support ethnic independence. Any disturbance on
the   part  of  such  individuals  could  carry  the  potential  for  widespread
destruction or  confiscation  of  property owned  by  individuals  and  entities
foreign  to such country and could cause the loss of a Fund's or the Portfolio's
investment in those  countries. Instability  may also result  from, among  other
things:  (i) authoritarian governments or  military involvement in political and
economic   decision-making,    including   changes    in   government    through
extra-constitutional  means;  (ii) popular  unrest  associated with  demands for
improved political, economic and social conditions; and (iii) hostile  relations
with  neighboring  or  other  countries.  Such  political,  social  and economic
instability could disrupt the principal financial markets in which a Fund or the
Portfolio  invests  and  adversely  affect  the  value  of  the  Fund's  or  the
Portfolio's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial restrictions on investments  in their capital markets,  particularly
their  equity markets, by  foreign entities such as  the Government Income Fund,
the Strategic Income Fund or the  Portfolio. These restrictions or controls  may
at times limit or preclude investment in certain securities and may increase the
cost  and expenses of  a Fund or  the Portfolio. For  example, certain countries
require prior governmental approval before investments by foreign persons may be
made, or may limit the amount of  investment by foreign persons in a  particular
company,  or limit the investment by foreign persons to only a specific class of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of certain  countries  may  restrict  investment  opportunities  in  issuers  or
industries  deemed sensitive to national  interests. In addition, some countries
require governmental approval for the repatriation of investment income, capital
or the proceeds of securities sales by foreign investors. In addition, if  there
is  a deterioration in a  country's balance of payments  or for other reasons, a
country may  impose  restrictions on  foreign  capital remittances  abroad.  The
Government  Income Fund,  the Strategic  Income Fund  or the  Portfolio could be
adversely  affected  by  delays  in,  or  a  refusal  to  grant,  any   required
governmental  approval for repatriation, as well as  by the application to it of
other restrictions on investments.
 
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION. Foreign companies are subject to accounting, auditing and  financial
standards  and requirements that differ, in some cases significantly, from those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing on the  financial statements  of such a  company may  not reflect  its
financial  position or results of operations in  the way they would be reflected
had such financial statements  been prepared in  accordance with U.S.  generally
accepted  accounting  principles. Most  of the  foreign  securities held  by the
Government Income Fund, the Strategic Income  Fund or the Portfolio will not  be
registered  with the  SEC or  regulators of  any foreign  country, nor  will the
issuers thereof be subject to the SEC's reporting requirements. Thus, there will
be less
 
                  Statement of Additional Information Page 16
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
available information concerning most foreign issuers of securities held by  the
Government  Income Fund,  the Strategic  Income Fund  and the  Portfolio than is
available concerning U.S. issuers. In  instances where the financial  statements
of an issuer are not deemed to reflect accurately the financial situation of the
issuer,  the Sub-adviser  will take appropriate  steps to  evaluate the proposed
investment, which may include on-site inspection of the issuer, interviews  with
its   management  and   consultations  with   accountants,  bankers   and  other
specialists. There is  substantially less publicly  available information  about
foreign  companies  than  there are  reports  and ratings  published  about U.S.
companies and  the U.S.  Government. In  addition, where  public information  is
available, it may be less reliable than such information regarding U.S. issuers.
Issuers  of securities in foreign jurisdictions are generally not subject to the
same degree of regulation as  are U.S. issuers with  respect to such matters  as
restrictions  on market  manipulation, insider trading  rules, shareholder proxy
requirements and timely disclosure of information.
    
 
    CURRENCY FLUCTUATIONS. Because  the Funds  and the  Portfolio, under  normal
circumstances,  will invest  substantial portions of  their total  assets in the
securities of foreign issuers which  are denominated in foreign currencies,  the
strength  or weakness  of the U.S.  dollar against such  foreign currencies will
account for part of  each Fund's and the  Portfolio's investment performance.  A
decline  in the value  of any particular  currency against the  U.S. dollar will
cause a decline  in the U.S.  dollar value  of each Fund's  and the  Portfolio's
holdings  of securities  and cash denominated  in such  currency and, therefore,
will cause an overall decline in their  respective net asset values and any  net
investment  income  and  capital  gains  derived  from  such  securities  to  be
distributed in U.S. dollars to shareholders of the Funds. Moreover, if the value
of the foreign currencies in which a  Fund or the Portfolio receives its  income
declines  relative to the U.S. dollar between  the receipt of the income and the
making of  Fund distributions,  the Fund  or the  Portfolio may  be required  to
liquidate securities in order to make distributions if the Fund or the Portfolio
has insufficient cash in U.S. dollars to meet distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors including  the supply and  demand for particular  currencies,
central  bank efforts to support particular currencies, the relative movement of
interest rates, and pace  of business activity in  the other countries, and  the
United  States, and other economic and  financial conditions affecting the world
economy.
 
Although the Funds and the Portfolio value  their assets daily in terms of  U.S.
dollars,  they do not intend to convert holdings of foreign currencies into U.S.
dollars on a daily basis.  The Funds and the Portfolio  will do so from time  to
time,  and  investors  should be  aware  of  the costs  of  currency conversion.
Although foreign exchange dealers  do not charge a  fee for conversion, they  do
realize  a profit based on the difference ("spread") between the prices at which
they are buying and selling various currencies. Thus, a dealer may offer to sell
a foreign  currency to  a Fund  at one  rate, while  offering a  lesser rate  of
exchange should the Fund desire to sell that currency to the dealer.
 
   
    ADVERSE  MARKET CHARACTERISTICS. Securities  of many foreign  issuers may be
less liquid and their  prices more volatile than  securities of comparable  U.S.
issuers.  In  addition, foreign  securities  markets and  brokers  generally are
subject to less governmental  supervision and regulation than  in the U.S.,  and
foreign  securities transactions usually are subject to fixed commissions, which
generally are  higher  than  negotiated commissions  on  U.S.  transactions.  In
addition,  foreign  securities  transactions  may  be  subject  to  difficulties
associated with the settlement of such transactions. Delays in settlement  could
result  in  temporary  periods  when  assets of  a  Fund  or  the  Portfolio are
uninvested and no  return is  earned thereon.  The inability  of a  Fund or  the
Portfolio  to make intended security purchases  due to settlement problems could
cause it to miss attractive opportunities.  Inability to dispose of a  portfolio
security  due to settlement problems either could  result in losses to a Fund or
the Portfolio due to subsequent declines in value of the portfolio security  or,
if  the Fund or the Portfolio has entered  into a contract to sell the security,
could result  in  possible liability  to  the purchaser.  The  Sub-adviser  will
consider such difficulties when determining the allocation of each Fund's or the
Portfolio's  assets,  although  the  Sub-adviser  does  not  believe  that  such
difficulties  will  have  a  material  adverse  effect  on  the  Funds'  or  the
Portfolio's portfolio trading activities.
    
 
The  Funds and the Portfolio may use foreign custodians, which may involve risks
in addition to those related to the  use of U.S. custodians. Such risks  include
uncertainties   relating  to:  (i)  determining  and  monitoring  the  financial
strength, reputation and  standing of  the foreign  custodian; (ii)  maintaining
appropriate safeguards to protect the Funds' and the Portfolio's investments and
(iii)  possible difficulties in  obtaining and enforcing  judgments against such
custodians.
 
    WITHHOLDING TAXES. Each  Fund's and  the Portfolio's  net investment  income
from foreign issuers may be subject to withholding taxes by the foreign issuer's
country,  thereby reducing the Fund's and  the Portfolio's net investment income
or delaying  the receipt  of income  where those  taxes may  be recaptured.  See
"Taxes."
 
                  Statement of Additional Information Page 17
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
    CONCENTRATION.  To the  extent a Fund  invests a significant  portion of its
assets in securities of issuers located in a particular country or region of the
world, such Portfolio may be subject to greater risks and may experience greater
volatility than a fund that is more broadly diversified geographically.
 
   
    SPECIAL CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The  countries
that  are members of the European Economic Community ("Common Market") (Belgium,
Denmark, France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg,  Netherlands,
Portugal,  Spain, and the United Kingdom)  eliminated certain import tariffs and
quotas and  other trade  barriers with  respect  to one  another over  the  past
several  years. The Sub-adviser  believes that this  deregulation should improve
the prospects  for economic  growth in  many Western  European countries.  Among
other  things, the deregulation could enable  companies domiciled in one country
to avail  themselves  of lower  labor  costs  existing in  other  countries.  In
addition,  this deregulation could benefit companies domiciled in one country by
opening additional  markets for  their goods  and services  in other  countries.
Since,  however, it is not  clear what the exact form  or effect of these Common
Market reforms  will be  on business  in  Western Europe,  it is  impossible  to
predict  the long-term  impact of  the implementation  of these  programs on the
securities owned by a Fund.
    
 
    SPECIAL CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN  COUNTRIES.
Investing  in Russia  and Eastern European  countries involves a  high degree of
risk and special considerations not  typically associated with investing in  the
United  States securities markets, and  should be considered highly speculative.
Such risks include: (1)  delays in settling portfolio  transactions and risk  of
loss  arising out of the system of  share registration and custody; (2) the risk
that it may be impossible  or more difficult than  in other countries to  obtain
and/or  enforce a  judgement; (3) pervasiveness  of corruption and  crime in the
economic system; (4) currency exchange rate volatility and the lack of available
currency hedging instruments; (5) higher rates of inflation (including the  risk
of   social  unrest  associated  with   periods  of  hyper-inflation)  and  high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign investors and limitations on  repatriation of invested capital,  profits
and  dividends, and on  a fund's ability  to exchange local  currencies for U.S.
dollars; (7) political instability and social unrest and violence; (8) the  risk
that  the governments of Russia and Eastern European countries may decide not to
continue to support the economic reform programs implemented recently and  could
follow  radically different political and/or  economic policies to the detriment
of investors,  including non-market-oriented  policies such  as the  support  of
certain  industries at the expense of other sectors or investors, or a return to
the centrally planned economy that existed  when such countries had a  communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of  international trade; (11)  the risk that  the tax system  in these countries
will not  be reformed  to prevent  inconsistent, retroactive  and/or  exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly  since 1990. The general government position has deteriorated as a
result of weakening economic  growth and stimulative  measures taken to  support
economic  activity and to  restore financial stability.  Although the decline in
interest  rates  and  fiscal  stimulation   packages  have  helped  to   contain
recessionary  forces, uncertainties remain. Japan is also heavily dependent upon
international trade, so its  economy is especially  sensitive to trade  barriers
and  disputes.  Japan has  had difficult  relations  with its  trading partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible that  trade sanctions  and other  protectionist measures  could  impact
Japan adversely in both the short and the long term.
 
The  common  stocks  of many  Japanese  companies trade  at  high price-earnings
ratios. Differences  in accounting  methods  make it  difficult to  compare  the
earnings  of  Japanese companies  with those  of  companies in  other countries,
especially in the  U.S. In  general, however, reported  net income  in Japan  is
understated  relative to  U.S. accounting standards  and this is  one reason why
price-earnings  ratios  of  the  stocks   of  Japanese  companies  have   tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally  been lower than  in the  U.S., both of
which factors tend to result in  lower discount rates and higher  price-earnings
ratios in Japan than in the U.S.
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
Jurisdictional disputes also
 
                  Statement of Additional Information Page 18
<PAGE>
                             GT GLOBAL INCOME FUNDS
exist  between South Korea and North Korea. In addition, the Funds may invest in
Hong Kong, which reverted to Chinese Administration on July 1, 1997. Investments
in Hong  Kong may  be  subject to  expropriation, national,  nationalization  or
confiscation,  in which  case a  Fund could lose  its entire  investment in Hong
Kong. In addition, the reversion of Hong Kong also presents a risk that the Hong
Kong dollar will be devalued and a risk of possible loss of investor  confidence
in Hong Kong's currency, stock market and assets.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American countries have experienced substantial,  and in some periods  extremely
high,  rates of  inflation for many  years. Inflation and  rapid fluctuations in
inflation rates have had and may continue  to have very negative effects on  the
economies  and securities markets  of certain Latin  American countries. Certain
Latin American countries are also among the largest debtors to commercial  banks
and foreign governments. At times certain Latin American countries have declared
moratoria  on  the payment  of principal  and/or interest  on external  debt. In
addition, certain  Latin  American  securities  markets  have  experienced  high
volatility in recent years.
 
Latin  American countries may  also close certain sectors  of their economies to
equity investments  by foreigners.  Further  due to  the absence  of  securities
markets  and  publicly  owned corporations  and  due to  restrictions  on direct
investment by foreign entities,  investments may only be  made in certain  Latin
American   countries  solely   or  primarily   through  governmentally  approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at artificial levels to the U.S. dollar rather than at levels determined by  the
market.  This type  of system can  lead to  sudden and large  adjustments in the
currency which, in turn,  can have a disruptive  and negative effect on  foreign
investors.  For example, in late  1994, the value of  the Mexican peso lost more
than one-third of its value relative to the U.S. dollar.
 
    SPECIAL CONSIDERATIONS AFFECTING EMERGING MARKETS. The Strategic Income Fund
and the Portfolio may invest in  debt securities in emerging markets.  Investing
in  securities in emerging countries may  entail greater risks than investing in
debt securities in  developed countries.  These risks include  (i) less  social,
political and economic stability; (ii) the small current size of the markets for
such  securities and the  currently low or nonexistent  volume of trading, which
result in a  lack of liquidity  and in greater  price volatility; (iii)  certain
national  policies  which  may  restrict the  Strategic  Income  Fund's  and the
Portfolio's investment opportunities,  including restrictions  on investment  in
issuers  or  industries deemed  sensitive  to national  interests;  (iv) foreign
taxation; and  (v) the  absence  of developed  structures governing  private  or
foreign  investment  or  allowing for  judicial  redress for  injury  to private
property.
 
Settlement mechanisms in emerging securities  markets may be less efficient  and
reliable  than in  more developed markets.  In such  emerging securities markets
there may be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and  may  continue to  have  negative effects  on  the economies  and securities
markets of certain emerging market countries.
 
                  Statement of Additional Information Page 19
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
Each Fund and the Portfolio has adopted the following investment limitations  as
fundamental policies which may not be changed without approval by the holders of
the lesser of (i) 67% of that Fund's shares or the total beneficial interests of
the Portfolio represented at a meeting at which more than 50% of the outstanding
shares  of  the Fund  or the  total  beneficial interests  of the  Portfolio are
represented, or (ii) more than 50% of the outstanding shares of the Fund or  the
total  beneficial interests of  the Portfolio. Whenever the  High Income Fund is
requested to vote on  a change in the  investment limitations of the  Portfolio,
the  Fund will  hold a meeting  of its shareholders  and will cast  its votes as
instructed by its shareholders.
 
                             GOVERNMENT INCOME FUND
 
The Government Income Fund may not:
 
   
        (1) Purchase any security if, as a result of that purchase, 25% or  more
    of the Fund's total assets would be invested in securities of issuers having
    their  principal business activities in the  same industry, except that this
    limitation does not  apply to securities  issued or guaranteed  by the  U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2)  Purchase or sell real estate, except that investments in securities
    of issuers  that invest  in real  estate and  investments in  mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Fund may exercise rights  under agreements relating to such  securities,
    including  the right to  enforce security interests and  to hold real estate
    acquired by  reason  of such  enforcement  until  that real  estate  can  be
    liquidated in an orderly manner;
    
 
   
        (3)  Engage in the business of underwriting securities of other issuers,
    except to the extent that the Fund might be considered an underwriter  under
    the  federal securities laws in connection with its disposition of portfolio
    securities;
    
 
   
        (4) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act and then not  in excess of 33 1/3%  of the Fund's total assets
    (including  the  amount  borrowed  but   reduced  by  any  liabilities   not
    constituting  borrowings) at the time of the borrowing, except that the Fund
    may borrow up to  an additional 5%  of its total  assets (not including  the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6)  Purchase or sell  physical commodities, but  the Fund may purchase,
    sell or enter into financial options and futures, forward and spot  currency
    contracts,  swap transactions  and other  financial contracts  or derivative
    instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
    
 
For purposes  of the  Fund's concentration  policy contained  in limitation  (1)
above,  the Fund intends to comply with  the SEC staff positions that securities
issued or  guaranteed  as  to  principal and  interest  by  any  single  foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
 
   
The  following  investment  policies  of  the  Government  Income  Fund  are not
fundamental policies  and may  be changed  by  vote of  the Company's  Board  of
Trustees without shareholder approval. The Fund may not:
    
 
   
        (1)  Borrow  money to  purchase securities  or  borrow money  except for
    temporary or emergency purposes.  While borrowings exceed  5% of the  Fund's
    total assets, the Fund will not make any additional investments;
    
 
   
        (2)  Invest in securities of an issuer if the investment would cause the
    Fund to own more than 10% of any class of securities of any one issuer;
    
 
                  Statement of Additional Information Page 20
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
        (3) Purchase securities  on margin,  provided that the  Fund may  obtain
    short-term  credits as may  be necessary for the  clearance of purchases and
    sales of securities,  and further  provided that  the Fund  may make  margin
    deposits  in  connection  with its  use  of financial  options  and futures,
    forward and spot currency contracts,  swap transactions and other  financial
    contracts or derivative instruments;
    
 
   
        (4) Enter into a futures contract, if, as a result thereof, more than 5%
    of  the Fund's total assets  (taken at market value  at the time of entering
    into the contract) would be committed to margin on such futures contracts;
    
 
   
        (5) Purchase securities for which there is no readily available  market,
    or  enter into repurchase  agreements or purchase  time deposits maturing in
    more than seven days, or  purchase OTC options or  hold assets set aside  to
    cover OTC options written by the Fund, if immediately after and as a result,
    the  value of  such securities  would exceed, in  the aggregate,  15% of the
    Fund's net assets; or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
                             STRATEGIC INCOME FUND
 
The Strategic Income Fund may not:
 
   
        (1)  Purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in  real estate  and investments  in mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Fund may exercise rights under  agreements relating to such securities,
    including the right to  enforce security interests and  to hold real  estate
    acquired  by  reason  of such  enforcement  until  that real  estate  can be
    liquidated in an orderly manner;
    
 
   
        (3) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (4)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting borrowings) at the time of the borrowing, except that the  Fund
    may  borrow up to  an additional 5%  of its total  assets (not including the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6) Purchase or sell  physical commodities, but  the Fund may  purchase,
    sell  or enter into financial options and futures, forward and spot currency
    contracts, swap  transactions and  other financial  contracts or  derivative
    instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of   its  investable  assets  (cash,   securities  and  receivables  related  to
securities) in an  open-end management investment  company having  substantially
the same investment objective, policies and limitations as the Fund.
    
 
For  purposes of  the Fund's  concentration policy  contained in  limitation (1)
above, the Fund intends to comply  with the SEC staff positions that  securities
issued  or  guaranteed  as  to  principal and  interest  by  any  single foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
 
   
The  following  investment  policies  of  the  Strategic  Income  Fund  are  not
fundamental  policies  and may  be changed  by  vote of  the Company's  Board of
Trustees without shareholder approval. The Fund may not:
    
 
        (1) Invest more than 15% of its total assets in illiquid securities;
 
        (2)  Borrow  money  to  purchase  securities  and  will  not  invest  in
    securities  of an issuer if the investment  would cause the Fund to own more
    than 10% of any  class of securities of  any one issuer (provided,  however,
    that the Fund
 
                  Statement of Additional Information Page 21
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
    may invest all of its investable assets in an open-end management investment
    company  with substantially  the same  investment objectives,  policies, and
    limitations as the Fund.);
    
 
   
        (3) Invest  more  than  10% of  its  total  assets in  shares  of  other
    investment  companies and invest more than 5% of its total assets in any one
    investment company  or  acquire  more  than 3%  of  the  outstanding  voting
    securities  of any one investment company  (provided, however, that the Fund
    may invest all of its investable assets in an open-end management investment
    company with  substantially the  same investment  objectives, policies,  and
    limitations as the Fund);
    
 
   
        (4)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments;
    
 
   
        (5) Enter into a futures contract, if, as a result thereof, more than 5%
    of the Fund's total assets  (taken at market value  at the time of  entering
    into  the contract) would be committed  to margin on such futures contracts;
    or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
                       HIGH INCOME FUND AND THE PORTFOLIO
 
The High Income Fund and the Portfolio each may not:
 
   
        (1)  Purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in  real estate  and investments  in mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Fund may exercise rights under  agreements relating to such securities,
    including the right to  enforce security interests and  to hold real  estate
    acquired  by  reason  of such  enforcement  until  that real  estate  can be
    liquidated in an orderly manner;
    
 
   
        (3) Purchase or sell  physical commodities, but  the Fund may  purchase,
    sell  or enter into financial options and futures, forward and spot currency
    contracts, swap  transactions and  other financial  contracts or  derivative
    instruments;
    
 
   
        (4)  Engage in the business of underwriting securities of other issuers,
    except to the extent that the Fund might be considered an underwriter  under
    the  federal securities laws in connection with its disposition of portfolio
    securities;
    
 
   
        (5) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan; or
    
 
   
        (6) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act and then not  in excess of 33 1/3%  of the Fund's total assets
    (including  the  amount  borrowed  but   reduced  by  any  liabilities   not
    constituting  borrowings) at the time of the borrowing, except that the Fund
    may borrow up to  an additional 5%  of its total  assets (not including  the
    amount borrowed) for temporary or emergency purposes.
    
 
For purposes of the Fund's and the Portfolio's concentration policy contained in
limitation  (1) above, they intend  to comply with the  SEC staff positions that
securities issued  or guaranteed  as to  principal and  interest by  any  single
foreign  government  or any  supranational  organizations in  the  aggregate are
considered to be securities of issuers in the same industry.
 
   
The following investment policies of the High Income Fund and the Portfolio  are
not  fundamental policies  and may be  changed by  vote of the  Company's or the
Portfolio's Board of  Trustees without  shareholder approval. The  Fund and  the
Portfolio each may not:
    
 
                  Statement of Additional Information Page 22
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        (1)  Invest in securities of an issuer if the investment would cause the
    Fund or the Portfolio to own more than 10% of any class of securities of any
    one issuer  (provided,  however,  that  the  Fund  may  invest  all  of  its
    investable   assets  in  an  open-end  management  investment  company  with
    substantially the same investment objectives as the Fund);
 
        (2) Invest  in  companies  for  the purpose  of  exercising  control  or
    management  (provided,  however,  that  the  Fund  may  invest  all  of  its
    investable  assets  in  an  open-end  management  investment  company   with
    substantially the same investment objectives as the Fund);
 
   
        (3) Enter into a futures contract, an option on a futures contract or an
    option on foreign currency traded on a CFTC-regulated exchange, in each case
    other  than for BONA FIDE hedging purposes  (as defined by the CFTC), if the
    aggregate initial margin  and premiums  required to establish  all of  those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5%  of the  liquidation value  of the  Fund's or  the Portfolio's portfolio,
    after taking into account  unrealized profits and  unrealized losses on  any
    contracts the Fund or the Portfolio has entered into;
    
 
   
        (4)  Invest  more  than 10%  of  its  total assets  in  shares  of other
    investment companies and invest more than 5% of its total assets in any  one
    investment  company  or  acquire  more than  3%  of  the  outstanding voting
    securities of any one investment  company (provided, however, that the  Fund
    may invest all of its investable assets in an open-end management investment
    company with substantially the same investment objectives as the Fund);
    
 
   
        (5)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments; or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
Investors should refer to the Prospectus for further information with respect to
each Fund's investment objectives, which may not be changed without the approval
of  shareholders and the Portfolio's investment objectives, which may be changed
without the  approval  of  investors  in the  Portfolio,  and  other  investment
policies and techniques, which may be changed without shareholder approval.
 
                  Statement of Additional Information Page 23
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject  to  policies  established  by  the  Company's  Board  of  Trustees, the
Sub-adviser is  responsible  for the  execution  of the  Government  Income  and
Strategic  Income  Funds' and  the  Portfolio's portfolio  transactions  and the
selection of broker/ dealers that execute  such transactions on behalf of  these
Funds  and the Portfolio.  In executing transactions,  the Sub-adviser seeks the
best net results for  the Government Income and  Strategic Income Funds and  the
Portfolio,  taking  into  account  such  factors  as  the  price  (including the
applicable brokerage commission or dealer spread), size of the order, difficulty
of execution  and operational  facilities  of the  firm involved.  Although  the
Sub-adviser generally seeks reasonably competitive commission rates and spreads,
payment  of the lowest  commission or spread is  not necessarily consistent with
the best net  results. While  the Funds  and the  Portfolio may  engage in  soft
dollar arrangements for research services, as described below, neither the Funds
nor  the Portfolio has any obligation to deal with any broker/dealer or group of
broker/ dealers in the execution of portfolio transactions.
    
 
Debt securities generally are traded  on a "net" basis  with a dealer acting  as
principal for its own account without a stated commission, although the price of
the  security  usually  includes  a  profit  to  the  dealer.  U.S.  and foreign
government securities and money market  instruments generally are traded in  the
OTC  markets. In underwritten  offerings, securities usually  are purchased at a
fixed price which  includes an  amount of  compensation to  the underwriter.  On
occasion,  securities may be purchased directly from an issuer, in which case no
commissions or discounts  are paid.  Broker/dealers may  receive commissions  on
futures, currency and options transactions.
 
   
Consistent  with the interests  of the Funds and  the Portfolio, the Sub-adviser
may  select  brokers  to  execute  the  Funds'  and  the  Portfolio's  portfolio
transactions on the basis of the research and brokerage services they provide to
the  Sub-adviser for  its use in  managing the  Funds and the  Portfolio and its
other advisory accounts. Such services may include furnishing analyses,  reports
and  information concerning issuers, industries, securities, geographic regions,
economic factors and  trends, portfolio strategy,  and performance of  accounts;
and  effecting  securities  transactions  and  performing  functions  incidental
thereto (such  as clearance  and settlement).  Research and  brokerage  services
received  from such brokers are in addition to, and not in lieu of, the services
required to  be performed  by the  Sub-adviser under  investment management  and
administration  contracts. A commission paid to  such brokers may be higher than
that which another qualified  broker would have charged  for effecting the  same
transaction,  provided that the  Sub-adviser determines in  good faith that such
commission is reasonable in terms either  of that particular transaction or  the
overall responsibility of the Sub-adviser to the Funds and the Portfolio and its
other clients and that the total commissions paid by the Funds and the Portfolio
will  be reasonable in  relation to the  benefits received by  the Funds and the
Portfolio over  the long  term.  Research services  may  also be  received  from
dealers who execute Fund transactions in OTC markets.
    
 
   
The  Sub-adviser may allocate brokerage  transactions to broker/dealers who have
entered into arrangements under which  the broker/dealer allocates a portion  of
the  commissions paid by the Funds or the Portfolio toward payment of the Funds'
or the Portfolio's expenses, such as transfer agent and custodian fees.
    
 
   
Investment decisions for each  Fund and the Portfolio  and for other  investment
accounts  managed by  the Sub-adviser  are made  independently of  each other in
light  of   differing  conditions.   However,  the   same  investment   decision
occasionally may be made for two or more of such accounts, including one or both
Funds  and the  Portfolio. In such  cases, simultaneous  transactions may occur.
Purchases or sales are then allocated as  to price or amount in a manner  deemed
fair  and equitable to all accounts involved.  While in some cases this practice
could have a detrimental effect upon the  price or value of the security as  far
as  the Funds and  the Portfolio are  concerned, in other  cases the Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Funds and the Portfolio.
    
 
   
Under a policy adopted by the  Company's and the Portfolio's Board of  Trustees,
and subject to the policy of obtaining the best net results, the Sub-adviser may
consider  a broker/dealer's sale of the shares  of the Funds and the other funds
for which the Sub-adviser serves as investment manager in selecting brokers  and
dealers  for the execution of portfolio transactions. This policy does not imply
a commitment to execute portfolio  transactions through all broker/dealers  that
sell shares of the Funds and such other funds.
    
 
                  Statement of Additional Information Page 24
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Each  Fund  and  the  Portfolio  contemplates  purchasing  most  foreign  equity
securities in  over-the-counter  markets  or  stock  exchanges  located  in  the
countries  in  which the  respective  principal offices  of  the issuers  of the
various securities are located, if that is the best available market. The  fixed
commissions  paid  in  connection  with  most  such  foreign  stock transactions
generally are higher than negotiated commissions on United States  transactions.
There  generally is less government supervision  and regulation of foreign stock
exchanges and brokers than  in the United  States. Foreign security  settlements
may   in  some  instances  be  subject  to  delays  and  related  administrative
uncertainties.
 
Foreign equity securities may be held by a Fund and the Portfolio in the form of
American Depository  Receipts  ("ADRs"), American  Depository  Shares  ("ADSs"),
Continental   Depository  Receipts  ("CDRs")  or  European  Depository  Receipts
("EDRs") or securities convertible into  foreign equity securities. ADRs,  ADSs,
CDRs  and EDRs may be listed on stock exchanges, or traded in the OTC markets in
the United States or  Europe, as the  case may be.  ADRs, like other  securities
traded in the United States, will be subject to negotiated commission rates. The
foreign  and domestic debt securities and  money market instruments in which the
Funds and the Portfolio may invest generally are traded in the OTC markets.
 
   
The Funds and  the Portfolio  contemplate that,  consistent with  the policy  of
obtaining  the best net results, brokerage transactions may be conducted through
certain companies that are affiliates of AIM and the Sub-adviser. The  Company's
Board of Trustees has adopted procedures in conformity with Rule 17e-1 under the
1940  Act to ensure that  all brokerage commissions paid  to such affiliates are
reasonable and fair in the  context of the market  in which they are  operating.
Any  such transactions  will be effected  and related compensation  paid only in
accordance with applicable SEC regulations.  For the fiscal years ended  October
31,  1997, 1996 and 1995, the  Portfolio paid aggregate brokerage commissions of
$0, $86,600 and $0, respectively. For  the fiscal years ended October 31,  1997,
1996  and 1995, the Government Income  Fund paid aggregate brokerage commissions
of $4,987, $24,663 and $0, respectively. For the fiscal years ended October  31,
1997,  1996  and  1995,  the  Strategic  Income  Fund  paid  aggregate brokerage
commissions of $6,177, $85,404 and $0, respectively.
    
 
PORTFOLIO TRADING AND TURNOVER
   
Each Fund and the  Portfolio engages in portfolio  trading when the  Sub-adviser
concludes  that the sale of a security owned  by a Fund and the Portfolio and/or
the purchase of another  security of better value  can enhance principal  and/or
increase  income. A  security may  be sold to  avoid any  prospective decline in
market value, or a security may be  purchased in anticipation of a market  rise.
Consistent  with  each  Fund's  and  the  Portfolio's  investment  objectives, a
security also may be sold and a comparable security purchased coincidentally  in
order  to take  advantage of what  is believed to  be a disparity  in the normal
yield and price relationship between the two securities. Although the Funds  and
the  Portfolio  generally do  not intend  to trade  for short-term  profits, the
securities in each Fund's  and the Portfolio's portfolio  will be sold  whenever
the  Sub-adviser believes  it is  appropriate to  do so,  without regard  to the
length of time a particular security  may have been held. Portfolio turnover  is
calculated  by dividing the lesser of sales or purchases of portfolio securities
by each Fund's or the  Portfolio's average month-end portfolio value,  excluding
short-term  investments.  Higher  portfolio  turnover  involves  correspondingly
greater brokerage commissions  and other transaction  costs that a  Fund or  the
Portfolio will bear directly, and could result in the realization of net capital
gains  that would  be taxable  when distributed  to shareholders.  The portfolio
turnover rates for  the Government Income  Fund, Strategic Income  Fund and  the
Portfolio the last two fiscal years were as follows:
    
 
<TABLE>
<CAPTION>
                                                                                                YEAR ENDED       YEAR ENDED
                                                                                               OCT. 31, 1997    OCT. 31, 1996
                                                                                              ---------------  ---------------
<S>                                                                                           <C>              <C>
Government Income Fund......................................................................          241%             268%
Strategic Income Fund.......................................................................          149%             177%
High Income Portfolio.......................................................................          214%             290%
</TABLE>
 
                  Statement of Additional Information Page 25
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
                                  TRUSTEES AND
                               EXECUTIVE OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The  Company's and  the Portfolio's Trustees  and Executive  Officers are listed
below. The  term  "Trustees" as  used  below refers  to  the Company's  and  the
Portfolio's Trustees collectively.
    
 
   
<TABLE>
<CAPTION>
NAMES, POSITION(S) WITH THE              PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY/PORTFOLIO AND ADDRESS            EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international GT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*    Mr.  Guilfoyle is an "interested  person" of the Company  as defined by the
    1940 Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
<TABLE>
<CAPTION>
NAMES, POSITION(S) WITH THE              PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY/PORTFOLIO AND ADDRESS            EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
 
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and Principal      1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Accounting Officer                1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Sub-adviser
Vice President                    since October 1997; Executive Vice President of the Asset Management
50 California Street              Division of Liechtenstein Global Trust since October 1996; Senior Vice
San Francisco, CA 94111           President, General Counsel and Secretary of LGT Asset Management, Inc.,
                                  Chancellor LGT, GT Global, GT Services and G.T. Insurance from May 1994
                                  to October 1996; Senior Vice President, General Counsel and Secretary of
                                  Strong/Corneliuson Management, Inc. and Secretary of each of the Strong
                                  Funds from October 1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT.]
    
 
                            ------------------------
 
   
The Board of  Trustees has a  Nominating and Audit  Committee, composed of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds and recommending firms  to serve as independent  auditors of the  Company.
Each  of the Trustees and Officers of the  Company is also a Trustee and Officer
of G.T. Investment Portfolios,  GT Global Floating Rate  Fund, GT Global  Series
Trust,  G.T. Global Growth Series, G.T.  Global Eastern Europe Fund, G.T. Global
Variable Investment  Trust,  G.T.  Global  Variable  Investment  Series,  Global
Investment  Portfolio, Floating Rate Portfolio  and Growth Portfolio, which also
are registered  investment  companies advised  by  AIM and  sub-advised  by  the
Sub-adviser. Each of the individuals listed above serves as a Trustee or Officer
of  the Company as well  as a Trustee or Officer  of the Portfolio. Each Trustee
and Officer  serves in  total as  a  Trustee and  Officer, respectively,  of  12
registered  investment companies with  47 series managed  or administered by AIM
and sub-advised and sub-administered by the Sub-adviser. Each Trustee who is not
a director, officer or employee of the Sub-adviser or any affiliated company  is
paid  aggregate fees of $5,000 per annum, plus $300 per Fund for each meeting of
the Board  attended,  and  reimbursed  travel and  other  expenses  incurred  in
connection with attendance at such meetings. Other Trustees and Officers receive
no  compensation or expense reimbursement from  the Company. For the fiscal year
ended October  31,  1997, Mr.  Anderson,  Mr.  Bayley, Mr.  Patterson  and  Miss
Quigley, who are not directors, officers, or employees of the Sub-adviser or any
affiliated company, received total compensation of $38,650, $38,650, $27,850 and
$38,650,  respectively, from the Company for their services as Trustees. For the
fiscal year ended October 31, 1997, Mr. Anderson, Mr. Bayley, Mr. Patterson  and
Miss  Quigley  received total  compensation of  $117,304, $114,386,  $88,350 and
$111,688, respectively, from the investment companies managed or administered by
AIM and  sub-advised and  sub-advised by  the Sub-adviser  for which  he or  she
serves  as a Trustee. Fees  and expenses disbursed to  the Trustees contained no
accrued or payable pension  or retirement benefits. As  of January 8, 1998,  the
Officers  and Trustees  and their  families as  a group  owned in  the aggregate
beneficially or of record less than 1% of the outstanding shares of the Funds or
of all the Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM  serves  as the  Government Income  Fund's and  the Strategic  Income Fund's
investment  manager  and  administrator  under  an  Investment  Management   and
Administration  Contract  between  the  Company  and  AIM  ("Company  Management
Contract").  The  Sub-adviser   serves  as  the   Portfolio's  sub-adviser   and
sub-administrator  under a Sub-Advisory and Sub-Administration Agreement between
AIM and the Sub-adviser ("Portfolio Management Sub-Contract," and together  with
the  Portfolio Management  Contract, the "Portfolio  Management Contracts"). AIM
serves  as  the  Portfolio's  investment  manager  and  administrator  under  an
Investment  Management and Administration Contract between the Portfolio and AIM
("Portfolio Management  Contract") (collectively,  "Management Contracts").  The
Sub-adviser   serves  as   sub-administrator  to   each  Feeder   Fund  under  a
sub-administration contract  between AIM  and the  Sub-adviser  ("Administration
Sub-Contract,"    and   together   with   the   Administration   Contract,   the
"Administration Contracts"). AIM serves as the High Income Fund's  administrator
under an Administration Contract ("Administration Contract") between the Company
and  AIM. The Sub-adviser serves as the sub-adviser and sub-administrator to the
Government Income  Fund  and Strategic  Income  Fund under  a  Sub-Advisory  and
Sub-Administration  Contract  between AIM  and the  Sub-adviser ("Sub-Management
Contract,"  and  together   with  the  Management   Contract,  the   "Management
Contracts"). The Administration Contracts will not be deemed advisory contracts,
as  defined under the  1940 Act. As investment  managers and administrators, AIM
and the  Sub-adviser make  all investment  decisions for  the Government  Income
Fund, the Strategic Income Fund and the Portfolio and as administrators, AIM and
the  Sub-adviser administer each Fund's and the Portfolio's affairs. Among other
things, AIM and the  Sub-adviser furnish the services  and pay the  compensation
and  travel  expenses  of  persons who  perform  the  executive, administrative,
clerical and bookkeeping functions of the Company, the Funds, and the  Portfolio
and  provide  suitable  office  space,  necessary  small  office  equipment  and
utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's or the Portfolio's Board of Trustees, as applicable, or by the vote of
a majority of the  Fund's or the Portfolio's  outstanding voting securities  (as
defined in the 1940 Act), and (ii) a majority of Trustees who are not parties to
the  Management  Contracts or  the Administration  Contracts, as  applicable, or
"interested persons" of any  such party (as  defined in the  1940 Act), cast  in
person  at a meeting called for the specific purpose of voting on such approval.
The Management  Contracts provide  that with  respect to  the Government  Income
Fund,  the  Strategic  Income Fund  and  the Portfolio,  and  the Administration
Contracts provide that with respect to the High Income Fund, either the Company,
the Portfolio or  each of  AIM or the  Sub-adviser may  terminate the  Contracts
without  penalty  upon  sixty  days'  written notice  to  the  other  party. The
Management Contracts and the Administration Contracts terminate automatically in
the event of their assignment (as defined in the 1940 Act).
    
 
   
In each  of  the  last  three  fiscal years  the  Government  Income  Fund  paid
investment  management  and  administration  fees  to  the  Sub-adviser  in  the
following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 2,403,043
1996.......................................................................................................     3,672,503
1995.......................................................................................................     4,946,971
</TABLE>
 
   
In each of the last three fiscal years the Strategic Income Fund paid investment
management and administration fees to the Sub-adviser in the following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 3,474,804
1996.......................................................................................................     3,807,689
1995.......................................................................................................     4,293,053
</TABLE>
 
                  Statement of Additional Information Page 28
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
In each of the last three fiscal years the High Income Portfolio paid investment
management and administration fees to the Sub-adviser in the following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 2,971,167
1996.......................................................................................................     3,014,924
1995.......................................................................................................     2,411,786
</TABLE>
 
   
In each of the last three fiscal years the High Income Fund paid  administration
fees to the Sub-adviser in the following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 1,136,471
1996.......................................................................................................     1,015,220
1995.......................................................................................................       860,884
</TABLE>
 
DISTRIBUTION SERVICES
   
Each  Fund's Class A  and Class B  shares are offered  continuously through each
Fund's principal  underwriter  and distributor,  AIM  Distributors, on  a  "best
efforts"  basis pursuant to separate  Distribution Contracts between the Company
and AIM Distributors.
    
 
   
As described in the Prospectus, on         , 1998, the Company adopted a  Master
Distribution  Plan pursuant  to Rule  12b-1 under the  1940 Act  relating to the
Class A shares of each Fund (the "Class A Plan"). At the same time, the  Company
also  adopted a Master Distribution  Plan pursuant to Rule  12b-1 under the 1940
Act relating to Class B  shares of each Fund (the  "Class B Plan," and  together
with the Class A Plan, the "Plans"). The rate of payments by the Funds under the
Plans, as described in the Prospectus, may not be increased without the approval
of the majority of the outstanding voting securities of the affected class.
    
 
   
BOTH  PLANS. Pursuant to  an incentive program, AIM  Distributors may enter into
agreements ("Shareholder Service Agreements")  with investment dealers  selected
from  time  to  time  by  AIM Distributors  for  the  provision  of distribution
assistance in connection  with the sale  of the Funds'  shares to such  dealers'
customers,  and for the provision of continuing personal shareholder services to
customers who may from time to time  directly or beneficially own shares of  the
Funds.  The distribution assistance and continuing personal shareholder services
to be rendered by dealers under the Shareholder Service Agreements may  include,
but  shall  not be  limited to,  the  following: distributing  sales literature;
answering routine customer inquiries  concerning the Funds; assisting  customers
in  changing  dividend  options,  account  designations  and  addresses,  and in
enrolling in any of several special investment plans offered in connection  with
the   purchase  of  the  Funds'  shares;  assisting  in  the  establishment  and
maintenance of customer accounts and records  and in the processing of  purchase
and   redemption  transactions;  investing  dividends   and  any  capital  gains
distributions automatically  in  the Funds'  shares;  and providing  such  other
information and services as the Funds or the customer may reasonably request.
    
 
   
Under  the Plans, in addition to  the Shareholder Service Agreements authorizing
payments  to  selected  dealers,  banks  may  enter  into  Shareholder   Service
Agreements authorizing payments under the Plans to be made to banks that provide
services  to  their  customers  who  have  purchased  shares.  Services provided
pursuant to Shareholder Service Agreements with banks may include some or all of
the following: answering shareholder inquiries regarding a Fund and the Company;
performing sub-accounting; establishing and maintaining shareholder accounts and
records; processing  customer purchase  and redemption  transactions;  providing
periodic  statements showing a shareholder's account balance and the integration
of such  statements  with  those  of other  transactions  and  balances  in  the
shareholder's  other  accounts  serviced  by  the  bank;  forwarding  applicable
prospectuses, proxy statements,  reports and  notices to bank  clients who  hold
Fund  shares; and  such other administrative  services as a  Fund reasonably may
request, to  the extent  permitted by  applicable statute,  rule or  regulation.
Similar  agreements  may  be permitted  under  the Plans  for  institutions that
provide recordkeeping for and administrative services to 401(k) plans.
    
 
   
Financial intermediaries and any other  person entitled to receive  compensation
for selling Fund shares may receive different compensation for selling shares of
one particular class over another.
    
 
   
Under a Shareholder Service Agreement, a Fund agrees to pay periodically fees to
selected  dealers and  other institutions who  render the  foregoing services to
their customers. The fees payable under a Shareholder Service Agreement will  be
calculated  at the end of each payment period for each business day of the Funds
during such period at the  annual rate of 0.25% of  the average daily net  asset
value  of  the  Funds'  shares  purchased  or  acquired  through  exchange. Fees
calculated in this manner shall be paid only to those selected dealers or  other
institutions    who   are   dealers   or   institutions   of   record   at   the
    
 
                  Statement of Additional Information Page 29
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
close of business on the last business day of the applicable payment period  for
the account in which such Fund's shares are held.
    
 
   
Payments pursuant to the Plans are subject to any applicable limitations imposed
by  rules of the National Association  of Securities Dealers, Inc. ("NASD"). The
Plans conform to  rules of the  NASD by  limiting payments made  to dealers  and
other   financial  institutions  who  provide  continuing  personal  shareholder
services to their customers who purchase and own shares of the Funds to no  more
than  0.25% per annum of the average  daily net assets of the Funds attributable
to the customers of  such dealers or financial  institutions, and by imposing  a
cap on the total sales charges, including asset-based sales charges, that may be
paid by the Funds and their respective classes.
    
 
   
AIM  Distributors does not act as principal,  but rather as agent for the Funds,
in making dealer incentive and  shareholder servicing payments under the  Plans.
These payments are an obligation of the Funds and not of AIM Distributors.
    
 
   
As  described in the Prospectus, the Company has adopted a separate Distribution
Plan for each class of  each Fund in accordance with  Rule 12b-1 under the  1940
Act  (each a"Class A  Plan" and "Class B  Plan," respectively, and collectively,
"Plans"). The rate of payments by each Fund under the Plans, as described in the
Prospectus, may not  be increased without  the approval of  the majority of  the
outstanding  voting securities of the affected  class. All expenses for which GT
Global is reimbursed under  a Class A  Plan will have  been incurred within  one
year  of such reimbursement. The following table discloses payments made by each
Fund to their former distributor, GT Global, Inc. ("GT Global") under the  prior
Class A Plan and the Class B Plan for the fiscal year ended October 31, 1997.
    
 
<TABLE>
<CAPTION>
                                                                                                 CLASS A        CLASS B
                                                                                              -------------  -------------
                                                                                               AMOUNT PAID    AMOUNT PAID
                                                                                              -------------  -------------
<S>                                                                                           <C>            <C>
Government Income Fund......................................................................   $   672,237    $ 1,392,802
Strategic Income Fund.......................................................................   $   560,886    $ 3,185,408
High Income Fund............................................................................   $   605,133    $ 2,653,190
</TABLE>
 
   
In approving the Plans, the Trustees determined that the adoption of the Class B
Plan  or  continuation of  the  Class A  Plan, as  applicable,  was in  the best
interests of the shareholders of the Funds. Agreements related to the Plans also
must be approved  by such  vote of  the Trustees,  including a  majority of  the
Trustees who are not "interested persons" of the Company (as defined in the 1940
Act)  and who have no direct or indirect financial interests in the operation of
the Plans, or in any agreement related thereto.
    
 
   
Each Plan  requires that,  at  least quarterly,  the  Trustees will  review  the
amounts  expended thereunder and  the purposes for  which such expenditures were
made. Each Plan  requires that  so long  as it is  in effect  the selection  and
nomination  of Trustees who are not "interested  persons" of the Company will be
committed to the discretion of the Trustees who are not "interested persons"  of
the Company, as defined in the 1940 Act.
    
 
As  discussed in the  Prospectus, GT Global  collects sales charges  on sales of
Class A  shares  of the  Funds,  retains certain  amounts  of such  charges  and
reallows other amounts of such charges to broker/dealers who sell shares.
 
The  following tables review the  extent of such activity  during the last three
fiscal years:
 
<TABLE>
<CAPTION>
                                                                            SALES CHARGES     AMOUNTS      AMOUNTS
YEAR ENDED OCT. 31, 1997                                                      COLLECTED      RETAINED     REALLOWED
- -------------------------------------------------------------------------  ----------------  ---------  -------------
<S>                                                                        <C>               <C>        <C>
Government Income Fund...................................................  $         67,477  $  10,240  $      57,237
Strategic Income Fund....................................................           111,949     29,451         82,498
High Income Fund.........................................................           199,201     65,982        133,219
</TABLE>
 
<TABLE>
<CAPTION>
                                                                            SALES CHARGES    AMOUNTS       AMOUNTS
YEAR ENDED OCT. 31, 1996                                                      COLLECTED     RETAINED      REALLOWED
- --------------------------------------------------------------------------  -------------  -----------  -------------
<S>                                                                         <C>            <C>          <C>
Government Income Fund....................................................   $    88,272   $    15,917  $      72,355
Strategic Income Fund.....................................................        87,192        23,580         63,612
High Income Fund..........................................................       194,072        69,243        124,829
</TABLE>
 
<TABLE>
<CAPTION>
                                                                            SALES CHARGES    AMOUNTS       AMOUNTS
YEAR ENDED OCT. 31, 1995                                                      COLLECTED     RETAINED      REALLOWED
- --------------------------------------------------------------------------  -------------  -----------  -------------
<S>                                                                         <C>            <C>          <C>
Government Income Fund....................................................   $   305,067   $    58,490  $     246,577
Strategic Income Fund.....................................................       399,242        68,458        330,784
High Income Fund..........................................................       537,880        67,403        470,477
</TABLE>
 
                  Statement of Additional Information Page 30
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
AIM Distributors  receives  any  contingent  deferred  sales  charges  ("CDSCs")
payable  with  respect to  redemptions of  Class  B shares  and certain  Class A
shares. The following table discloses the amount of CDSCs collected by GT Global
with regard to the GT Global Income Funds for the periods shown.
    
 
                             GOVERNMENT INCOME FUND
 
<TABLE>
<CAPTION>
                                                                                         CDSCS
YEAR ENDED OCT. 31,                                                                    COLLECTED
- -----------------------------------------------------------------------------------  -------------
<S>                                                                                  <C>
1997...............................................................................    $1,123,616
1996...............................................................................    1,467,051
1995...............................................................................    1,596,085
</TABLE>
 
                             STRATEGIC INCOME FUND
 
<TABLE>
<CAPTION>
                                                                                         CDSCS
YEAR ENDED OCT. 31,                                                                    COLLECTED
- -----------------------------------------------------------------------------------  -------------
<S>                                                                                  <C>
1997...............................................................................    $1,750,253
1996...............................................................................    1,925,586
1995...............................................................................    1,337,974
</TABLE>
 
                                HIGH INCOME FUND
 
<TABLE>
<CAPTION>
                                                                                         CDSCS
YEAR ENDED OCT. 31,                                                                    COLLECTED
- -----------------------------------------------------------------------------------  -------------
<S>                                                                                  <C>
1997...............................................................................    $1,617,145
1996...............................................................................    1,739,271
1995...............................................................................    2,443,970
</TABLE>
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The Transfer  Agent  has been  retained  by  the Funds  to  perform  shareholder
servicing,  reporting and general  transfer agent functions  for them. For these
services, the Transfer Agent  receives an annual maintenance  fee of $17.50  per
account,  a new account fee of $4.00 per account, a per transaction fee of $1.75
for all transactions other than exchanges and  a per exchange fee of $2.25.  The
Transfer  Agent also is reimbursed by  each Fund, for its out-of-pocket expenses
for such  items as  postage,  forms, telephone  charges, stationery  and  office
supplies.  The Sub-adviser  also serves  as each  Fund's pricing  and accounting
agent. As of October 31, 1997, October  31, 1996 and October 31, 1995, the  Fund
paid  accounting services  fees to  the Sub-adviser  of Government  Income Fund,
Strategic Income  Fund  and High  Income  Fund $85,149,  $127,205  and  $40,218;
$123,309,   $131,517   and  $34,980;   and   $116,607,  $101,697   and  $22,563,
respectively.
    
 
EXPENSES OF THE FUNDS AND THE PORTFOLIO
   
Each Fund  and  the  Portfolio  pays  all  expenses  not  assumed  by  AIM,  the
Sub-adviser,  AIM  Distributors and  other  agents. These  expenses  include, in
addition to the advisory, distribution, transfer agency, pricing and  accounting
agent  and brokerage fees  discussed above, legal  and audit expenses, custodian
fees, directors' fees,  organizational fees, fidelity  bond and other  insurance
premiums,  taxes,  extraordinary  expenses  and  the  expenses  of  reports  and
prospectuses sent  to  existing investors.  The  allocation of  general  Company
expenses and expenses shared by the Funds and other funds organized as series of
the  Company are allocated  on a basis  deemed fair and  equitable, which may be
based on the  relative net assets  of the Funds  or the nature  of the  services
performed and relative applicability to each Fund. Expenditures, including costs
incurred  in connection with the purchase or sale of portfolio securities, which
are capitalized  in accordance  with  generally accepted  accounting  principles
applicable  to investment companies, are accounted  for as capital items and not
as expenses.  The ratio  of each  Fund's  and the  Portfolio's expenses  to  its
relative  net assets  can be expected  to be  higher than the  expense ratios of
funds investing solely in domestic securities, since the cost of maintaining the
custody of foreign securities and the rate of investment management fees paid by
each Fund and the Portfolio generally are higher than the comparable expenses of
such other funds.
    
 
                  Statement of Additional Information Page 31
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As described in the Prospectus, each Fund's  net asset value per share for  each
class  of shares is determined  at the close of regular  trading on the New York
Stock Exchange  ("NYSE") (currently,  4:00 p.m.  Eastern Time,  unless  weather,
equipment  failure or  other factors contribute  to an  earlier closing business
time) on each business day the NYSE is open for business. Currently, the NYSE is
closed on weekends and on certain  days relating to the following holidays:  New
Year's  Day, Martin Luther King Day, President's Day, Good Friday, Memorial Day,
July 4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
Each Fund's and the Portfolio's portfolio securities and other assets are valued
as follows:
 
   
Equity securities, including  ADRs, ADSs  and EDRs,  which are  traded on  stock
exchanges  are valued at the last sale price on the exchange or in the principal
over-the-counter market in which such securities are traded, as of the close  of
business  on the day the  securities are being valued  or, lacking any sales, at
the last available bid price. In cases where securities are traded on more  than
one  exchange,  the securities  are  valued on  the  exchange determined  by the
Sub-adviser to be the primary market.
    
 
   
Long-term debt obligations are valued at  the mean of representative quoted  bid
or  asked prices for  such securities or,  if such prices  are not available, at
prices for securities of  comparable maturity, quality  and type; however,  when
the  Sub-adviser deems it appropriate, prices  obtained for the day of valuation
from a  bond pricing  service  will be  used.  Short-term debt  investments  are
amortized  to  maturity  based  on their  cost,  adjusted  for  foreign exchange
translation, provided such valuations represent fair value.
    
 
Options on  indices,  securities and  currencies  purchased  by a  Fund  or  the
Portfolio  are valued at their last bid price  in the case of listed options or,
in the case of OTC options, at the average of the last bid prices obtained  from
dealers,  unless a quotation  from only one  dealer is available,  in which case
only that dealer's price  will be used. When  market quotations for futures  and
options  on futures held by a Fund or the Portfolio are readily available, those
positions will be valued based upon such quotations.
 
   
Securities and  other  assets  for  which  market  quotations  are  not  readily
available  (including restricted securities which  are subject to limitations as
to their sale) are valued at fair value as determined in good faith by or  under
the  direction  of the  Company's Board  of  Trustees. The  valuation procedures
applied in any specific instance are likely to vary from case to case.  However,
consideration  is generally  given to the  financial position of  the issuer and
other fundamental analytical data relating to  the investment and to the  nature
of the restrictions on disposition of the securities (including any registration
expenses  that might be borne by the  Fund in connection with such disposition).
In addition, specific factors also are generally considered, such as the cost of
the investment, the  market value  of any  unrestricted securities  of the  same
class  (both at the time of purchase and  at the time of valuation), the size of
the holding, the  prices of any  recent transactions or  offers with respect  to
such securities and any available analysts' reports regarding the issuer.
    
 
The  fair value  of any  other assets is  added to  the value  of all securities
positions to arrive at the  value of a Fund's  or the Portfolio's total  assets.
The  Fund's or the Portfolio's liabilities, including accruals for expenses, are
deducted from  its  total assets.  Once  the total  value  of a  Fund's  or  the
Portfolio's net assets is so determined, that value is then divided by the total
number  of  shares  outstanding  (excluding treasury  shares),  and  the result,
rounded to the nearer cent, is the net asset value per share.
 
   
Any assets or liabilities initially  denominated in terms of foreign  currencies
are translated into U.S. dollars at the official exchange rate or at the mean of
the current bid and asked prices of such currencies against the U.S. dollar last
quoted  by a major  bank that is  a regular participant  in the foreign exchange
market or on the basis of a  pricing service that takes into account the  quotes
provided  by a  number of such  major banks.  If none of  these alternatives are
available or none are deemed to provide a suitable methodology for converting  a
foreign  currency into U.S. dollars, the Board  of Trustees, in good faith, will
establish a conversion rate for such currency.
    
 
European, Far Eastern or Latin American securities trading may not take place on
all days on which  the NYSE is  open. Further, trading  takes place in  Japanese
markets on certain Saturdays and in various foreign markets on days on which the
NYSE  is not  open. Consequently, the  calculation of the  Funds' respective net
asset values therefore may not take place
 
                  Statement of Additional Information Page 32
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
contemporaneously with the determination of the prices of securities held by the
Funds. Events affecting the  values of portfolio  securities that occur  between
the  time their prices  are determined and  the close of  regular trading on the
NYSE  will  not  be  reflected  in  the  Funds'  net  asset  values  unless  the
Sub-adviser,   under  the  supervision  of  the  Company's  Board  of  Trustees,
determines that the particular event would materially affect net asset value. As
a result, a Fund's net asset value may be significantly affected by such trading
on days when a shareholder cannot purchase or redeem shares of the Fund.
    
 
                  Statement of Additional Information Page 33
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                       INFORMATION RELATING TO SALES AND
                                  REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment for Class A or Class B  shares of a Fund purchased should accompany  the
purchase  order, or funds should be wired  to the Transfer Agent as described in
the Prospectus. Payment, other than by wire  transfer, must be made by check  or
money order drawn on a U.S. bank. Checks or money orders must be payable in U.S.
dollars.
 
As  a condition of this offering, if an order to purchase either class of shares
is cancelled due to nonpayment (for example, on account of a check returned  for
"not  sufficient funds"), the person who made  the order will be responsible for
any loss  incurred  by a  Fund  by reason  of  such cancellation,  and  if  such
purchaser  is a shareholder, the  Fund shall have the  authority as agent of the
shareholder to redeem  shares in his  or her account  at their then-current  net
asset  value per share to  reimburse that Fund for  the loss incurred. Investors
whose purchase orders have  been cancelled due to  nonpayment may be  prohibited
from placing future orders.
 
   
Each  Fund  reserves the  right at  any time  to waive  or increase  the minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons. An order to purchase shares is not binding on a Fund
until it  has  been  confirmed  in  writing by  the  Transfer  Agent  (or  other
arrangements  made with the Fund, in the  case of orders utilizing wire transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, each Fund reserves the right to reject any offer for a purchase of
shares by any individual.
    
 
AUTOMATIC INVESTMENT PLAN -- CLASS A SHARES AND CLASS B SHARES
To establish  participation  in  a Fund's  Automatic  Investment  Plan  ("AIP"),
investors  or their broker/dealers should specify whether the investment will be
in Class A  shares or Class  B shares and  send the following  documents to  the
Transfer Agent: (1) an AIP Application; (2) a Bank Authorization Form; and (3) a
voided  personal check from the pertinent  bank account. The necessary forms are
provided at the back of the Funds' Prospectus. Provided that an investor's  bank
accepts  the Bank  Authorization Form, investment  amounts will be  drawn on the
designated dates (monthly on the 25th day or beginning quarterly on the 25th day
of the  month  the  investor  first  selects) in  order  to  purchase  full  and
fractional shares of the designated Fund at the public offering price determined
on that day. If the 25th day falls on a Saturday, Sunday or holiday, shares will
be  purchased  on the  next business  day.  If an  investor's check  is returned
because of insufficient funds,  a stop payment order  or the account is  closed,
the  AIP may be discontinued,  and any share purchase  made upon deposit of such
check may be cancelled. Furthermore, the shareholder will be liable for any loss
incurred by a Fund  by reason of such  cancellation. Investors should allow  one
month  for the establishment of an AIP. An AIP may be terminated by the Transfer
Agent or a Fund upon thirty days'  written notice or by the participant, at  any
time, without penalty, upon written notice to the pertinent Fund or the Transfer
Agent.
 
LETTER OF INTENT -- CLASS A SHARES
   
A Letter of Intent ("LOI") is not a binding obligation to purchase the indicated
amount.  While Class A shares are held in  escrow under an LOI to ensure payment
of applicable sales charges  if the indicated amount  is not met, all  dividends
and  other distributions on the escrowed shares will be reinvested in additional
Class A shares or paid in cash, as specified by the shareholder. If the intended
investment is  not completed  within the  specified thirteen-month  period,  the
purchaser must remit to AIM Distributors the difference between the sales charge
actually  paid and the sales charge that would have been applicable if the total
Class A purchases had been made at a single time. If this amount is not paid  to
AIM  Distributors  within twenty  days  after written  request,  the appropriate
number of  escrowed  shares  will be  redeemed  and  the proceeds  paid  to  AIM
Distributors.
    
 
   
Any  investor that  entered into a  LOI prior to  June 1, 1998,  under which the
indicated amount is not met, will be  subject to the sales charge schedule  that
was in effect when the LOI was entered into.
    
 
A  registered investment adviser,  trust company or  trust department seeking to
execute an LOI  as a single  purchaser with  respect to accounts  over which  it
exercises  investment discretion is required to  provide the Transfer Agent with
information establishing that it has discretionary authority with respect to the
money invested (e.g., by providing a  copy of the pertinent investment  advisory
agreement).  Class A shares purchased in this manner must be registered with the
Transfer Agent  so that  only the  investment adviser,  trust company  or  trust
department,  and  not the  beneficial  owner, will  be  able to  place purchase,
redemption and exchange orders.
 
                  Statement of Additional Information Page 34
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
CONVERSION OF CLASS B SHARES
    
   
Class B shares will automatically convert into Class A shares of the same  Fund.
For  the purpose  of calculating the  holding period required  for conversion of
Class B shares, the initial issuance of  Class B shares shall mean (i) the  date
on  which such Class B  shares were issued, or (ii)  for Class B shares obtained
through an exchange, or a  series of exchanges, the  date on which the  original
Class  B shares  were issued.  For purposes  of conversion  to Class  A, Class B
shares purchased through the reinvestment  of dividends and other  distributions
paid  in respect of Class B shares will  be held in a separate sub-account. Each
time any Class B shares in  the shareholder's regular account (other than  those
in the sub-account) convert to Class A, a pro rata portion of the Class B shares
in  the sub-account will also convert to Class A. The portion will be determined
by the ratio that the shareholder's Class  B shares converting to Class A  bears
to  the shareholder's  total Class B  shares not acquired  through dividends and
other distributions.
    
 
   
The availability  of  the  conversion  feature  is  subject  to  the  continuing
availability of an opinion of counsel to the effect that the dividends and other
distributions   paid  on  Class  A  and  Class  B  shares  will  not  result  in
"preferential dividends" under the Internal  Revenue Code and the conversion  of
shares  does not constitute a taxable event. If the conversion feature ceased to
be available, the Class B shares would not be converted and would continue to be
subject to the higher ongoing expenses of  the Class B shares beyond the  eighth
year.  The Sub-adviser  has no  reason to  believe that  this condition  for the
availability of the conversion feature will not be met.
    
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
Class A  or  Class B  shares  of  a Fund  may  be purchased  as  the  underlying
investment  for an IRA meeting the requirements  of sections 408(a), 408A or 530
of the  Internal Revenue  Code of  1986, as  amended ("Code"),  as well  as  for
qualified  retirement plans described in Code Section 401 and custodial accounts
complying with Code Section 403(b)(7).
 
   
IRAS: If you have earned income from employment (including self-employment), you
can contribute each year to an IRA up  to the lesser of (1) $2,000 for  yourself
or  $4,000  for  you and  your  spouse,  regardless of  whether  your  spouse is
employed, or (2) 100% of compensation. Some  individuals may be able to take  an
income tax deduction for the contribution. Regular contributions may not be made
for  the year  you become 70  1/2 or  thereafter. Unless your  and your spouse's
earnings exceed  a certain  level, you  also may  establish an  "education  IRA"
and/or  a "Roth  IRA." Although  contributions to  these new  types of  IRAs are
nondeductible,  withdrawals   from  them   will   be  tax-free   under   certain
circumstances.  Please  consult  your  tax  adviser  for  more  information. IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER IRAS: Individuals who  receive distributions from qualified  retirement
plans  (other than  required distributions) and  who wish to  keep their savings
growing tax-deferred  can  roll  over  (or make  a  direct  transfer  of)  their
distribution  to a  Rollover IRA. These  accounts can also  receive rollovers or
transfers from an existing  IRA. If an "eligible  rollover distribution" from  a
qualified  employer-sponsored retirement plan is not  directly rolled over to an
IRA (or  certain  qualified plans),  withholding  at the  rate  of 20%  will  be
required  for federal income tax purposes.  A distribution from a qualified plan
that is not an "eligible  rollover distribution," including a distribution  that
is  one of series of substantially equal periodic payments, generally is subject
to regular wage withholding or withholding at the rate of 10% (depending on  the
type  and  amount  of  the  distribution), unless  you  elect  not  to  have any
withholding apply. Please consult your tax adviser for more information.
 
SEP-IRAS: Simplified  employee  pension  plans ("SEPs"  or  "SEP-IRAs")  provide
self-employed  individuals (and any eligible employees) with benefits similar to
Keogh plans (I.E.,  self-employed individual retirement  plans) or Code  Section
401(k)   plans,  but  with  fewer   administrative  requirements  and  therefore
potentially lower annual administration expenses.
 
CODE SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and  most
other  tax-exempt organizations can make  pre-tax salary reduction contributions
to these accounts.
 
PROFIT-SHARING  (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE   PENSION
PLANS:  Corporations  and other  employers can  sponsor these  qualified defined
contribution plans  for  their employees.  A  Section  401(k) plan,  a  type  of
profit-sharing  plan, additionally permits the eligible, participating employees
to make  pre-tax salary  reduction  contributions to  the  plan (up  to  certain
limits).
 
SIMPLE  PLANS: Employers with  no more than  100 employees that  do not maintain
another retirement  plan  may  establish  a Savings  Incentive  Match  Plan  for
Employees  ("SIMPLE") either  as separate  IRAs or as  part of  a Section 401(k)
plan. SIMPLEs are not  subject to the  complicated nondiscrimination rules  that
generally apply to qualified retirement plans.
 
                  Statement of Additional Information Page 35
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
EXCHANGES BETWEEN FUNDS
   
Shares of a Fund may be exchanged for shares of the corresponding class of other
GT  Global  Mutual  Funds or  Class  A shares  of  funds  of The  AIM  Family of
Funds-Registered Trademark-, based on their respective net asset values  without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical. The exchange privilege is not  an option or right to purchase  shares
but  is permitted under the current policies  of the respective GT Global Mutual
Funds and The AIM Family of Funds. The privilege may be discontinued or  changed
at  any  time  by any  of  those funds  upon  sixty  days' prior  notice  to the
shareholders of the fund and is available only in states where the exchange  may
be  made legally. Before purchasing shares  through the exercise of the exchange
privilege, a shareholder should obtain and read a copy of the prospectus of  the
fund to be purchased and should consider its investment objective(s).
    
 
   
THE  AIM FAMILY  OF FUNDS,  THE AIM FAMILY  OF FUNDS  AND DESIGN  (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM,  LA
FAMILIA  AIM DE FONDOS  AND LA FAMILIA  AIM DE FONDOS  AND DESIGN ARE REGISTERED
SERVICE MARKS AND  INVEST WITH DISCIPLINE  AND AIM BANK  CONNECTION ARE  SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
   
SALES CHARGE WAIVERS FOR SHARES PURCHASED PRIOR TO JUNE 1, 1998
    
   
Class  A shares that are subject to  a contingent deferred sales charge and that
were purchased before June  1, 1998 are entitled  to the following waivers  from
the  contingent deferred sales charge otherwise due upon redemption: (1) minimum
required distributions made in  connection with a GT  Global IRA, Keogh Plan  or
custodial  account under  Section 403(b)  of the  Code or  other retirement plan
following attainment of age 70 1/2;  (2) total or partial redemptions  resulting
from  a  distribution  following  retirement  in  the  case  of  a tax-qualified
employer-sponsored retirement  plan;  (3)  when  a  redemption  results  from  a
tax-free  return of an excess contribution  pursuant to Section 408(d)(4) or (5)
of the Code or  from the death  or disability of  the employee; (4)  redemptions
pursuant  to a Fund's right to  liquidate a shareholder's account involuntarily;
(5)   redemptions    pursuant   to    distributions   from    a    tax-qualified
employer-sponsored retirement plan, which is invested in GT Global Mutual Funds,
which  are permitted to be made without penalty pursuant to the Code, other than
tax-free rollovers  or  transfers of  assets,  and  the proceeds  of  which  are
reinvested  in GT Global  Mutual Funds; (6) redemptions  made in connection with
participant-directed exchanges between options in an employer-sponsored  benefit
plan; (7) redemptions made for the purpose of providing cash to fund a loan to a
participant  in  a  tax-qualified  retirement  plan;  (8)  redemptions  made  in
connection with  a distribution  from any  retirement plan  or account  that  is
permitted in accordance with the provisions of Section 72(t)(2) of the Code, and
the  regulations promulgated thereunder; (9) redemptions made in connection with
a distribution from any retirement plan  or account that involves the return  of
an  excess deferral amount pursuant to Section 401(k)(8) or Section 402(g)(2) of
the Code;  (10)  redemptions made  in  connection  with a  distribution  from  a
qualified  profit-sharing or stock bonus plan described in Section 401(k) of the
Code to a participant or beneficiary under Section 401(k)(2)(B)(IV) of the  Code
upon   hardship  of  the  covered  employee  (determined  pursuant  to  Treasury
Regulation Section 1.401(k)-1(d)(2)); and  (11) redemptions made  by or for  the
benefit  of  certain  states,  counties  or  cities,  or  any instrumentalities,
departments or authorities thereof where such entities are prohibited or limited
by applicable law from paying a sales charge or commission.
    
 
   
Class B  shares purchased  before June  1,  1998 are  subject to  the  following
waivers  from the contingent deferred sales charge otherwise due upon redemption
in addition to the waivers provided for redemptions of currently issued Class  B
shares  as  described  in  the  Prospectus:  (1)  total  or  partial redemptions
resulting  from  a  distribution   following  retirement  in   the  case  of   a
tax-qualified  employer-sponsored retirement; (2) minimum required distributions
made in connection with a GT Global  IRA, Keogh Plan or custodial account  under
Section  403(b) of the Code or other retirement plan following attainment of age
70 1/2; (3) a one-time reinvestment in Class B shares of a Fund within 180  days
of  a  prior  redemption;  (4)  redemptions  pursuant  to  distributions  from a
tax-qualified employer-sponsored retirement plan, which is invested in GT Global
Mutual Funds, which  are permitted to  be made without  penalty pursuant to  the
Code,  other than tax-free rollovers or transfers of assets, and the proceeds of
which are  reinvested  in  GT  Global Mutual  Funds;  (5)  redemptions  made  in
connection   with   participant-directed   exchanges  between   options   in  an
employer-sponsored benefit  plan;  (6)  redemptions  made  for  the  purpose  of
providing  cash to fund  a loan to  a participant in  a tax-qualified retirement
plan; (7) redemptions made in connection with a distribution from any retirement
plan or account that is permitted  in accordance with the provisions of  Section
72(t)(2)   of  the  Code,  and   the  regulations  promulgated  thereunder;  (8)
redemptions  made  in   connection  with   a  distribution   from  a   qualified
profit-sharing  or stock bonus plan described in Section 401(k) of the Code to a
participant or  beneficiary  under Section  401(k)(2)(B)(IV)  of the  Code  upon
hardship  of the  covered employee  (determined pursuant  to Treasury Regulation
Section 1.401(k)-1(d)(2)); and  (9) redemptions made  by or for  the benefit  of
certain  states, counties  or cities,  or any  instrumentalities, departments or
authorities thereof where such entities are prohibited or limited by  applicable
law from paying a sales charge or commission.
    
 
TELEPHONE REDEMPTIONS
A  corporation or partnership  wishing to utilize  telephone redemption services
must submit a "Corporate Resolution" or "Certificate of Partnership"  indicating
the names, titles and the required number of signatures of persons authorized to
act  on  its  behalf.  The  certificate must  be  signed  by  a  duly authorized
officer(s) and, in the case of a corporation, the
 
                  Statement of Additional Information Page 36
<PAGE>
                             GT GLOBAL INCOME FUNDS
corporate seal affixed. All shareholders may request that redemption proceeds be
transmitted by bank wire directly to the shareholder's predesignated account  at
a domestic bank or savings institution, if the proceeds are at least $500. Costs
in  connection with the administration of  this service, including wire charges,
currently are borne by the appropriate Fund. Proceeds of less than $500 will  be
mailed  to the  shareholder's registered  address of  record. The  Funds and the
Transfer Agent reserve the  right to refuse any  telephone instructions and  may
discontinue  the aforementioned  redemption options  upon fifteen  days' written
notice.
 
SYSTEMATIC WITHDRAWAL PLAN
Shareholders of a Fund owning Class A or Class B shares with a value of  $10,000
or  more, may  establish a  Systematic Withdrawal Plan  ("SWP"). Under  a SWP, a
shareholder will receive monthly or quarterly  payments, in amounts of not  less
than  $100 per payment, through the automatic redemption of the necessary number
of shares  on  the  designated dates  (monthly  on  the 25th  day  or  beginning
quarterly  on the 25th day of the month the investor first selects). If the 25th
day falls on a Saturday,  Sunday or holiday, the  redemption will take place  on
the prior business day. Certificates, if any, for the shares being redeemed must
be  held by the  Transfer Agent. Checks  will be made  payable to the designated
recipient and  mailed within  seven days.  If the  recipient is  other than  the
registered  shareholder, the signature of each shareholder must be guaranteed on
the SWP  application  (see  "How  to Redeem  Shares"  in  the  Prospectuses).  A
corporation  (or  partnership) also  must submit  a "Corporation  Resolution" or
"Certificate of Partnership" indicating the names, titles and signatures of  the
individuals  authorized to act  on its behalf,  and the SWP  application must be
signed by a duly authorized officer(s) and the corporate seal affixed.
 
With respect to a SWP, the maximum  annual SWP withdrawal is 12% of the  initial
account  value.  Withdrawals  in excess  of  12%  of the  initial  account value
annually may result  in assessment of  a contingent deferred  sales charge.  See
"How to Invest" in the Prospectus.
 
Shareholders should be aware that such systematic withdrawals may deplete or use
up entirely the initial investment and result in the realization of long-term or
short-term capital gains or losses. The SWP may be terminated at any time by the
Transfer  Agent or a Fund  upon thirty days' written  notice or by a shareholder
upon written notice to  a Fund or the  Transfer Agent. Applications and  further
details  regarding establishment of a SWP are provided at the back of the Funds'
Prospectus.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The Funds may suspend redemption privileges or postpone the date of payment  for
more  than seven days after a redemption order is received during any period (1)
when the NYSE is  closed other than customary  weekend and holiday closings,  or
trading  on the NYSE is restricted as directed by the SEC, (2) when an emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Funds to dispose of securities owned by them or fairly to determine the value of
their assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It is possible  that conditions  may arise  in the  future which  would, in  the
opinion  of the Company's Board  of Trustees, make it  undesirable for a Fund to
pay for all redemptions in cash. In such cases, the Board may authorize  payment
to  be  made in  portfolio securities  or  other property  of a  Fund, so-called
"redemption in kind."  Payments of redemption  in kind will  be made in  readily
marketable  securities.  Such  securities  would be  valued  at  the  same value
assigned to  them in  computing  the net  asset  value per  share.  Shareholders
receiving  such  securities  would incur  brokerage  costs in  selling  any such
securities so received. However,  despite the foregoing,  the Company has  filed
with  the SEC an election pursuant to Rule  18f-1 under the 1940 Act. This means
that each  Fund  will pay  in  cash all  requests  for redemption  made  by  any
shareholder of record, limited in amount with respect to each shareholder during
any  ninety-day period to the lesser of $250,000 or 1% of the net asset value of
a Fund at the beginning of such period. This election is irrevocable so long  as
Rule  18f-1 remains in effect, unless the  SEC by order upon application permits
the withdrawal of such election.
    
 
                  Statement of Additional Information Page 37
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
TAXATION OF THE FUNDS
Each Fund is treated as a separate corporation for federal income tax  purposes.
To  continue to qualify for treatment  as a regulated investment company ("RIC")
under the Code, each Fund must  distribute to its shareholders for each  taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several additional requirements. With respect  to each Fund, these  requirements
include the following: (1) the Fund must derive at least 90% of its gross income
each  taxable year from dividends, interest, payments with respect to securities
loans and gains  from the  sale or other  disposition of  securities or  foreign
currencies,  or other income  (including gains from  options, Futures or Forward
Contracts) derived with respect  to its business of  investing in securities  or
those currencies ("Income Requirement"); (2) at the close of each quarter of the
Fund's  taxable year,  at least  50% of the  value of  its total  assets must be
represented by cash and  cash items, U.S.  government securities, securities  of
other RICs and other securities, with these other securities limited, in respect
of  any one issuer,  to an amount  that does not  exceed 5% of  the value of the
Fund's total assets and that  does not represent more  than 10% of the  issuer's
outstanding  voting securities;  and (3)  at the  close of  each quarter  of the
Fund's taxable year, not more than 25% of  the value of its total assets may  be
invested  in securities (other than U.S. government securities or the securities
of other RICs) of any  one issuer. The High Income  Fund, as an investor in  the
Portfolio, is deemed to own a proportionate share of the Portfolio's assets, and
to  earn  a  proportionate share  of  the  Portfolio's income,  for  purposes of
determining whether  that Fund  satisfies the  requirements described  above  to
qualify as a RIC.
 
Each Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent  it fails to distribute by the end of any calendar year substantially all
of its  ordinary income  for  that year  and capital  gain  net income  for  the
one-year period ending on October 31 of that year, plus certain other amounts.
 
See  "Taxation of Certain  Investment Activities" below for  a discussion of the
tax consequences to the High Income Fund of hedging transactions engaged in, and
investments in passive foreign investment companies ("PFICs") and other  foreign
securities by, the Portfolio.
 
TAXATION OF THE PORTFOLIO -- GENERAL
The Portfolio is treated as a partnership for federal income tax purposes and is
not  a "publicly traded partnership." As a  result, the Portfolio is not subject
to federal income  tax; instead, the  High Income  Fund, as an  investor in  the
Portfolio,  is required to  take into account in  determining its federal income
tax liability its share of the Portfolio's income, gains, losses, deductions and
credits, without regard to whether it  has received any cash distributions  from
the Portfolio. The Portfolio also is not subject to New York income or franchise
tax.
 
Because,  as noted above, the High Income  Fund is deemed to own a proportionate
share of  the Portfolio's  assets, and  to  earn a  proportionate share  of  the
Portfolio's  income, for purposes of determining whether that Fund satisfies the
requirements to  qualify  as  a  RIC,  the  Portfolio  intends  to  conduct  its
operations  so that the High Income Fund will be able to continue to satisfy all
those requirements.
 
Distributions to the High Income Fund from the Portfolio (whether pursuant to  a
partial  or complete  withdrawal or  otherwise) will  not result  in that Fund's
recognition of any gain or loss for federal income tax purposes, except that (1)
gain will be recognized to the extent any cash that is distributed exceeds  that
Fund's  basis for  its interest  in the  Portfolio before  the distribution, (2)
income or gain will be recognized if the distribution is in liquidation of  that
Fund's entire interest in the Portfolio and includes a disproportionate share of
any  unrealized  receivables  held  by  the  Portfolio,  and  (3)  loss  will be
recognized  if  a  liquidation  distribution  consists  solely  of  cash  and/or
unrealized  receivables. The  High Income Fund's  basis for its  interest in the
Portfolio generally will equal the amount of cash and the basis of any  property
that  Fund  invests in  the Portfolio,  increased  by that  Fund's share  of the
Portfolio's net income and gains and decreased by (1) the amount of cash and the
basis of any property the Portfolio distributes to that Fund and (2) that Fund's
share of the Portfolio's losses.
 
                  Statement of Additional Information Page 38
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
TAXATION OF CERTAIN INVESTMENT ACTIVITIES
For purposes of the following  discussion, "Investor Fund" means the  Government
Income Fund, the Strategic Income Fund or the Portfolio.
 
    FOREIGN  TAXES. Interest  and dividends  received by  an Investor  Fund, and
gains realized thereby,  may be subject  to income, withholding  or other  taxes
imposed  by foreign countries and U.S.  possessions ("foreign taxes") that would
reduce the yield and/or total return on its securities. Tax conventions  between
certain  countries and the United States  may reduce or eliminate foreign taxes,
however, and many  foreign countries  do not impose  taxes on  capital gains  in
respect  of investments by foreign investors. If more than 50% of the value of a
Fund's total assets (taking into account, in  the case of the High Income  Fund,
its  proportionate share of the Portfolio's assets)  at the close of its taxable
year consists of securities of foreign  corporations, the Fund will be  eligible
to, and may, file an election with the Internal Revenue Service that will enable
its  shareholders, in effect, to  receive the benefit of  the foreign tax credit
with respect to any foreign taxes paid  by it (taking into account, in the  case
of  the High Income Fund,  its proportionate share of  any foreign taxes paid by
the Portfolio) (a  "Fund's foreign  taxes"). Pursuant  to the  election, a  Fund
would  treat  those  taxes  as  dividends  paid  to  its  shareholders  and each
shareholder would be required to (1) include in gross income, and treat as  paid
by him, his proportionate share of the Fund's foreign taxes, (2) treat his share
of  those taxes and of any dividend paid  by the Fund that represents its income
from foreign and U.S. possessions sources  (taking into account, in the case  of
the  High Income  Fund, its proportionate  share of the  Portfolio's income from
those sources) as his own  income from those sources  and (3) either deduct  the
taxes  deemed paid by him in computing his taxable income or, alternatively, use
the foregoing  information in  calculating the  foreign tax  credit against  his
federal income tax. Each Fund will report to its shareholders shortly after each
taxable  year their  respective shares  of the  Fund's foreign  taxes and income
(taking into account,  in the case  of the High  Income Fund, its  proportionate
share  of the Portfolio's income) from sources within foreign countries and U.S.
possessions if it makes  this election. Pursuant to  the Taxpayer Relief Act  of
1997  ("Tax Act"),  individuals who  have no  more than  $300 ($600  for married
persons filing jointly) of  creditable foreign taxes included  on Form 1099  and
all  of whose foreign source income is "qualified passive income" may elect each
year to be exempt from the  extremely complicated foreign tax credit  limitation
and  will be  able to  claim a  foreign tax  credit without  having to  file the
detailed Form 1116 that otherwise is required.
 
    PASSIVE FOREIGN INVESTMENT COMPANIES. Each  Investor Fund may invest in  the
stock  of PFICs.  A PFIC is  a foreign  corporation -- other  than a "controlled
foreign corporation" (I.E., a  foreign corporation in which,  on any day  during
its  taxable year, more than  50% of the total voting  power of all voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Investor Fund is a U.S. shareholder (effective for their taxable  year
beginning  November 1, 1998) -- that, in  general, meets either of the following
tests: (1) at least 75% of its gross  income is passive or (2) an average of  at
least  50% of  its assets produce,  or are  held for the  production of, passive
income. Under certain circumstances,  a Fund will be  subject to federal  income
tax  on a part (or, in the case of the High Income Fund, its proportionate share
of a part) of any "excess distribution" received  by it (or, in the case of  the
High Income Fund, by the Portfolio) on the stock of a PFIC or of any gain on the
Fund's (or, in the case of the High Income Fund, the Portfolio's) disposition of
that stock (collectively "PFIC income"), plus interest thereon, even if the Fund
distributes  the  PFIC income  as a  taxable dividend  to its  shareholders. The
balance of the  PFIC income will  be included in  the Fund's investment  company
taxable  income and, accordingly, will not be  taxable to the Fund to the extent
it distributes that income to its shareholders.
 
If an  Investor Fund  invests  in a  PFIC and  elects  to treat  the PFIC  as  a
"qualified  electing  fund"  ("QEF"), then  in  lieu  of the  foregoing  tax and
interest obligation, the Investor  Fund (or, in the  case of the Portfolio,  the
High  Income Fund) would be required to include in income each year its pro rata
share  (taking  into  account,  in  the  case  of  the  High  Income  Fund,  its
proportionate  share of  the Portfolio's pro  rata share) of  the QEF's ordinary
earnings and net capital  gain (I.E., the excess  of net long-term capital  gain
over  net  short-term  capital loss)  --  which  most likely  would  have  to be
distributed by the Investor  Fund (or, in  the case of  the Portfolio, the  High
Income Fund) to satisfy the Distribution Requirement and avoid imposition of the
Excise Tax -- even if those earnings and gain were not received thereby from the
QEF.  In most instances  it will be  very difficult, if  not impossible, to make
this election because of certain requirements thereof.
 
Effective for taxable years beginning after 1997, a holder of stock in any  PFIC
may elect to include in ordinary income each taxable year the excess, if any, of
the fair market value of the stock over the adjusted basis therein as of the end
of  that  year. Pursuant  to  the election,  a  deduction (as  an  ordinary, not
capital, loss) also  will be allowed  for the  excess, if any,  of the  holder's
adjusted  basis  in PFIC  stock over  the fair  market value  thereof as  of the
taxable year-end, but only  to the extent of  any net mark-to-market gains  with
respect  to that stock included in income  for prior taxable years. The adjusted
basis in
 
                  Statement of Additional Information Page 39
<PAGE>
                             GT GLOBAL INCOME FUNDS
each PFIC's  stock subject  to the  election  will be  adjusted to  reflect  the
amounts of income included and deductions taken thereunder. Regulations proposed
in  1992 would provide a  similar election with respect  to the stock of certain
PFICs.
 
    OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS. The Investors Funds' use
of hedging transactions, such  as selling (writing)  and purchasing options  and
Futures  Contracts and entering  into Forward Contracts,  involves complex rules
that will determine, for federal income tax purposes, the amount, character  and
timing  of recognition  of the  gains and  losses an  Investor Fund  realizes in
connection therewith. Gains from the  disposition of foreign currencies  (except
certain  gains  that may  be  excluded by  future  regulations), and  gains from
options, Futures and Forward Contracts derived by an Investor Fund with  respect
to  its business of investing in  securities or foreign currencies, will qualify
as permissible income under the Income  Requirement for that Investor Fund  (or,
in the case of the Portfolio, the High Income Fund).
 
Futures  and Forward  Contracts that  are subject  to Section  1256 of  the Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and that are held by an Investor Fund at the end of its taxable year
generally  will be deemed to  have been sold at  market value for federal income
tax purposes. Sixty percent of any net  gain or loss recognized on these  deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256  Contracts, will  be treated  as long-term  capital gain  or loss,  and the
balance will be treated as  short-term capital gain or loss.  As of the date  of
preparation  of this  Statement of  Additional Information,  it is  not entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the  15%
marginal  tax bracket) for gain recognized on  capital assets held for more than
18 months -- instead of  the 28% rate in  effect before that legislation,  which
now applies to gain recognized on capital assets held for more than one year but
not  more than 18  months, although technical  corrections legislation passed by
the House of Representatives late in 1997 would treat it as qualifying therefor.
 
Section 988 of the Code also may apply to gains and losses from transactions  in
foreign  currencies, foreign-currency-denominated  debt securities  and options,
Futures and Forward  Contracts on  foreign currencies ("Section  988" gains  and
losses).  Each Section  988 gain  or loss  generally is  computed separately and
treated as ordinary income or loss. In the case of overlap between sections 1256
and 988, special provisions  determine the character and  timing of any  income,
gain or loss. Each Investor Fund attempts to monitor section 988 transactions to
minimize any adverse tax impact.
 
If  a Fund  has an  "appreciated financial  position" --  generally, an interest
(including an interest through an option,  Futures or Forward Contract or  short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership  interest the fair market value  of which exceeds its adjusted basis
- -- and enters into  a "constructive sale" of  the same or substantially  similar
property,  the Fund will be treated as  having made an actual sale thereof, with
the result  that gain  will be  recognized  at that  time. A  constructive  sale
generally consists of a short sale, an offsetting notional principal contract or
Futures  or Forward Contract entered  into by the Fund  or a related person with
respect to  the same  or substantially  similar property.  In addition,  if  the
appreciated  financial  position is  itself  a short  sale  or such  a contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The Strategic Income  Fund and  the Portfolio each  may acquire  zero coupon  or
other  securities issued  with original issue  discount ("OID"). As  a holder of
those securities, that Fund and the Portfolio (and, through it, the High  Income
Fund) each must include in its income the portion of the OID that accrues on the
securities  during the taxable year, even if no corresponding payment on them is
received during the year. Similarly, the Strategic Income Fund and the Portfolio
each must include in  its gross income securities  it receives as "interest"  on
payment-in-kind   securities.  Because   each  Fund   annually  must  distribute
substantially all of its  investment company taxable  income, including any  OID
and  other non-cash  income, to satisfy  the Distribution  Requirement and avoid
imposition of the Excise  Tax, either of  them may be  required in a  particular
year to distribute as a dividend an amount that is greater than the total amount
of cash it actually receives (or, in the case of the High Income Fund, its share
of   the  total  amount   of  cash  the   Portfolio  actually  receives).  Those
distributions will be made from the Fund's  (or, in the case of the High  Income
Fund,  its, or its share of the  Portfolio's) cash assets or, if necessary, from
the proceeds of sales of portfolio  securities. A Fund may (directly or  through
the  Portfolio) realize  capital gains or  losses from those  sales, which would
increase or decrease its  investment company taxable  income and/or net  capital
gain.
 
TAXATION OF THE FUNDS' SHAREHOLDERS
Dividends  and  other  distributions  declared  by a  Fund  in,  and  payable to
shareholders of record as  of a date  in, October, November  or December of  any
year  will  be  deemed  to have  been  paid  by  the Fund  and  received  by the
shareholders on December 31 of  that year if the  distributions are paid by  the
Fund  during  the following  January. Accordingly,  those distributions  will be
taxed to shareholders for the year in which that December 31 falls.
 
                  Statement of Additional Information Page 40
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
A portion  of the  dividends from  a Fund's  investment company  taxable  income
(whether  paid in cash or  reinvested in additional shares)  may be eligible for
the dividends-received deduction allowed  to corporations. The eligible  portion
may  not exceed the aggregate dividends received  by a Fund (directly or through
the  Portfolio)  from  U.S.  corporations.  However,  dividends  received  by  a
corporate  shareholder  and deducted  by it  pursuant to  the dividends-received
deduction are subject indirectly to the alternative minimum tax.
 
If Fund shares are sold at a loss  after being held for six months or less,  the
loss  will be treated as  long-term, instead of short-term,  capital loss to the
extent of any  capital gain  distributions received on  those shares.  Investors
also should be aware that if shares are purchased shortly before the record date
for  any dividend or other distribution, the shareholder will pay full price for
the shares and receive some portion of the price back as a taxable distribution.
 
Dividends paid by a  Fund to a shareholder  who, as to the  United States, is  a
nonresident  alien individual, nonresident alien fiduciary of a trust or estate,
foreign corporation  or foreign  partnership ("foreign  shareholder")  generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding  will not apply, however, to a dividend  paid by a Fund to a foreign
shareholder that is "effectively connected with  the conduct of a U.S. trade  or
business,"  in which case the  reporting and withholding requirements applicable
to domestic shareholders  will apply. A  distribution of net  capital gain by  a
Fund  to a foreign shareholder generally will  be subject to U.S. federal income
tax (at the rates  applicable to domestic persons)  only if the distribution  is
"effectively  connected" or  the foreign  shareholder is  treated as  a resident
alien individual for federal income tax purposes.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting  the  Funds,  their  shareholders  and  the Portfolio.
Investors are  urged  to  consult  their own  tax  advisers  for  more  detailed
information  and for  information regarding any  foreign, state  and local taxes
applicable to distributions received from a Fund.
 
                  Statement of Additional Information Page 41
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
 
   
AIM was organized in 1976, and  along with its subsidiaries, manages or  advises
over  50 investment company portfolios encompassing  a broad range of investment
objectives. AIM is a direct, wholly owned  subsidiary of A I M Management  Group
Inc.  ("AIM  Management"),  a  holding  company that  has  been  engaged  in the
financial services  business since  1976. AIM  is the  sole shareholder  of  the
Funds'  principal underwriter, AIM  Distributors. AIM Management  is an indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England. AMVESCAP  PLC  and  its  subsidiaries  are  an  independent  investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide   asset  management  affiliates  also   currently  include  GT  Asset
Management Inc. in Toronto, Canada; LGT Asset Management PLC in London, England;
LGT Asset Management Ltd. in Hong Kong; LGT Asset Management Ltd. in Toyko;  LGT
Asset  Management Pte. Ltd.  in Singapore; LGT Asset  Management Ltd. in Sydney;
and LGT Asset Management GmbH in Frankfurt.]
    
 
CUSTODIAN
State Street  Bank and  Trust  Company ("State  Street"), 225  Franklin  Street,
Boston,  MA 02110, acts as custodian of  each Fund's and the Portfolio's assets.
State Street is authorized to establish and has established separate accounts in
foreign currencies and to cause securities of the Funds and the Portfolio to  be
held  in separate accounts outside the United  States in the custody of non-U.S.
banks.
 
INDEPENDENT ACCOUNTANTS
   
The Funds' and the Portfolio's independent accountants are
                       ,   One   Post   Office   Square,   Boston   MA    02109.
                       conducts  audits  of  each  Fund's  and  the  Portfolio's
financial  statements,  assists  in  the  preparation  of  the  Funds'  and  the
Portfolio's  federal and state income tax returns and consults with the Company,
the Funds and the Portfolio as to matters of accounting, regulatory filings, and
federal and state income taxation.
    
 
   
The audited financial statements of the Funds and the Portfolio included in this
Statement of Additional Information have been examined by
                       , as stated  in their  opinion appearing  herein and  are
included  in reliance upon such opinion given upon the authority of that firm as
experts in accounting and auditing.
    
 
   
USE OF NAME
    
   
The Sub-adviser has granted  the Funds and  the Portfolio the  right to use  the
"GT"  name and "GT Global" and has reserved the right to withdraw its consent to
the use of  such names by  the Company, the  Funds and/or the  Portfolio at  any
time, or to grant the use of such names to any other company.
    
 
- --------------------------------------------------------------------------------
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
Each Fund's "Standardized Returns," as referred to in the Prospectus (see "Other
Information  --  Performance  Information" in  the  Prospectus),  are calculated
separately for Class A and Class B shares of the Fund, as follows:  Standardized
Return  (average  annual total  return ("T"))  is computed  by using  the ending
redeeming value ("ERV")  of a  hypothetical initial investment  of $1,000  ("P")
over  a period of years ("n") according  to the following formula as required by
the SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will  be
reflected  in computations made in accordance with this formula: (1) for Class A
shares, deduction of the maximum sales  charge of 4.75% from the $1,000  initial
investment;  (2)  for Class  B shares,  deduction  of the  applicable contingent
deferred sales charge imposed  on a redemption  of Class B  shares held for  the
 
                  Statement of Additional Information Page 42
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
period; (3) reinvestment of dividends and other distributions at net asset value
on  the reinvestment date determined by the Company's Board of Trustees; and (4)
a complete redemption at the end of any period illustrated.
    
 
The Standardized Returns for  the Class A  and Class B  shares of the  Strategic
Income  Fund, Government  Income Fund  and High  Income Fund,  stated as average
annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                    STRATEGIC   STRATEGIC   GOVERNMENT   GOVERNMENT     HIGH        HIGH
                                                     INCOME      INCOME       INCOME       INCOME      INCOME      INCOME
                                                      FUND        FUND         FUND         FUND        FUND        FUND
PERIOD                                              (CLASS A)   (CLASS B)   (CLASS A)    (CLASS B)    (CLASS A)   (CLASS B)
- --------------------------------------------------  ---------   ---------   ----------   ----------   ---------   ---------
<S>                                                 <C>         <C>         <C>          <C>          <C>         <C>
Fiscal year ended Oct. 31, 1997...................     4.21%       3.70%       (0.20)%      (0.93)%      9.03%       8.77%
Oct. 31, 1992 through Oct. 31, 1997...............    10.14%      10.25%        5.34%        5.36%      15.93%      16.08%
Oct. 22, 1992 (commencement of operations) through
 Oct. 31, 1997....................................      n/a       10.11%         n/a         5.41%      15.85%      16.10%
March 29, 1988 (commencement of operations)
 through Oct. 31, 1997............................     9.01%        n/a         6.52%         n/a         n/a         n/a
</TABLE>
 
NON-STANDARDIZED RETURNS
In addition  to  Standardized  Returns,  each Fund  also  may  also  include  in
advertisements,  sales  literature and  shareholder  reports other  total return
performance  data  ("Non-Standardized   Return").  Non-Standardized  Return   is
calculated  separately for Class  A and Class B  shares of each  Fund and may be
calculated according to several different formulas. Non-Standardized Returns may
be quoted for the same or different time periods for which Standardized  Returns
are  quoted. Non-Standardized  Returns may  or may  not take  sales charges into
account; performance data calculated without taking the effect of sales  charges
into account will be higher than data including the effect of such charges.
 
Average  annual Non-Standardized  Return ("T") is  computed by  using the ending
redeeming value ("ERV")  of a  hypothetical initial investment  of $1,000  ("P")
over  a period of years ("n") according  to the following formula as required by
the SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will  be
reflected in computations made in accordance with this formula: (1) no deduction
of  sales charges; (2) reinvestment of  dividends and other distributions at net
asset value on the reinvestment date determined by the Board; and (3) a complete
redemption at the end of any period illustrated.
 
The average annual Non-Standardized Returns for  the Class A and Class B  shares
of  the  Strategic Income  Fund, Government  Income Fund  and High  Income Fund,
stated as average annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                    STRATEGIC   STRATEGIC   GOVERNMENT   GOVERNMENT     HIGH        HIGH
                                                     INCOME      INCOME       INCOME       INCOME      INCOME      INCOME
                                                      FUND        FUND         FUND         FUND        FUND        FUND
PERIOD                                              (CLASS A)   (CLASS B)   (CLASS A)    (CLASS B)    (CLASS A)   (CLASS B)
- --------------------------------------------------  ---------   ---------   ----------   ----------   ---------   ---------
<S>                                                 <C>         <C>         <C>          <C>          <C>         <C>
Fiscal year ended Oct. 31, 1997...................     9.40%       8.70%        4.78%        4.00%      14.46%      13.77%
Oct. 31, 1992 through Oct. 31, 1997...............    11.21%      10.52%        6.37%        5.64%      17.07%      16.30%
Oct. 22, 1992 (commencement of operations) through
 Oct. 31, 1997....................................      n/a       10.25%         n/a         5.55%      16.98%      16.21%
March 29, 1988 (commencement of operations)
 through Oct. 31, 1997............................     9.56%        n/a         7.07%         n/a         n/a         n/a
</TABLE>
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to the following  formula: T =  (VOA/P)-1. Aggregate Non-Standardized
Return assumes reinvestment  of dividends  and other distributions  and, as  set
forth below, may or may not take sales charges into account.
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class  A and Class  B shares  of the Strategic  Income Fund,  Government
Income  Fund and  High Income  Fund, stated as  aggregate total  returns for the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                    STRATEGIC   STRATEGIC   GOVERNMENT   GOVERNMENT     HIGH        HIGH
                                                     INCOME      INCOME       INCOME       INCOME      INCOME      INCOME
                                                      FUND        FUND         FUND         FUND        FUND        FUND
PERIOD                                              (CLASS A)   (CLASS B)   (CLASS A)    (CLASS B)    (CLASS A)   (CLASS B)
- --------------------------------------------------  ---------   ---------   ----------   ----------   ---------   ---------
<S>                                                 <C>         <C>         <C>          <C>          <C>         <C>
Oct. 22, 1992 (commencement of operations) through
 Oct. 31, 1997....................................      n/a      63.28%         n/a        31.19%      119.88%     112.76%
March 29, 1988 (commencement of operations)
 through Oct. 31, 1997............................   140.06%       n/a        92.49%         n/a          n/a         n/a
</TABLE>
 
                  Statement of Additional Information Page 43
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
The aggregate Non-Standardized Returns (taking  sales charges into account)  for
the  Class A and Class B shares  of the Strategic Income Fund, Government Income
Fund and High  Income Fund, stated  as aggregate total  returns for the  periods
shown, were:
 
<TABLE>
<CAPTION>
                                                    STRATEGIC   STRATEGIC   GOVERNMENT   GOVERNMENT     HIGH        HIGH
                                                     INCOME      INCOME       INCOME       INCOME      INCOME      INCOME
                                                      FUND        FUND         FUND         FUND        FUND        FUND
PERIOD                                              (CLASS A)   (CLASS B)   (CLASS A)    (CLASS B)    (CLASS A)   (CLASS B)
- --------------------------------------------------  ---------   ---------   ----------   ----------   ---------   ---------
<S>                                                 <C>         <C>         <C>          <C>          <C>         <C>
Oct. 22, 1992 (commencement of operations) through
 Oct. 31, 1997....................................      n/a      62.28%         n/a        30.32%      109.43%     111.76%
March 29, 1988 (commencement of operations)
 through Oct. 31, 1997............................   128.66%       n/a        83.35%         n/a          n/a         n/a
</TABLE>
 
YIELD
Each  Fund may also include its current yield ("Yield") in advertisements, sales
literature and shareholder  reports. Yield, which  is calculated separately  for
Class  A and Class B shares of each Fund, is computed by dividing the difference
between dividends  and  interest earned  during  a one-month  period  ("a")  and
expenses  accrued for the period (net of reimbursements) ("b") by the product of
the average  daily number  of shares  outstanding during  the period  that  were
entitled  to receive dividends ("c") and the maximum offering price per share on
the last day of the period ("d") according to the following formula as  required
by the Securities and Exchange Commission:
 
<TABLE>
<S>       <C>  <C>  <C>     <C> <C>
                   a-b
YIELD =   2     [( --  + 1  )   (6)-1]
                   cd
</TABLE>
 
The Yields of the Class A shares of the Strategic Income Fund, Government Income
Fund  and the High Income  Fund for the one-month  period ended October 31, 1996
were 6.58%, 6.23%  and 7.29%, respectively.  The current yields  of the Class  B
shares of Strategic Income Fund, Government Income Fund and High Income Fund for
the  one-month  period  ended October  31,  1996  were 6.23%,  5.87%  and 7.00%,
respectively.
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
Each Fund and AIM Distributors may  from time to time, in advertisements,  sales
literature and reports furnished to present or prospective shareholders, compare
the Funds with the following, among others:
    
 
        (1)  The Consumer Price Index ("CPI"), which is a measure of the average
    change in prices over time  in a fixed market  basket of goods and  services
    (e.g.,  food, clothing,  shelter, fuels,  transportation fares,  charges for
    doctors' and dentists' services, prescription medicines, and other goods and
    services that people  buy for  day-to-day living). There  is inflation  risk
    which  does not affect a security's value but its purchasing power i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2) Data and mutual fund rankings and comparisons published or  prepared
    by  Lipper  Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger
    Investment  Company   Services   ("CDA/Wiesenberger"),   Morningstar,   Inc.
    ("Morningstar"),  Micropal,  Inc. and/or  other  companies that  rank and/or
    compare mutual funds by overall performance, investment objectives,  assets,
    expense  levels, periods of existence and/or  other factors. In this regard,
    each Fund  may  be  compared to  its  "peer  group" as  defined  by  Lipper,
    CDA/Wiesenberger,  Morningstar  and/or  other firms,  as  applicable,  or to
    specific funds or  groups of  funds within or  outside of  such peer  group.
    Lipper  generally  ranks  funds  on  the  basis  of  total  return, assuming
    reinvestment of distributions, but does not take sales charges or redemption
    fees into consideration, and is prepared without regard to the consequences.
    In addition  to the  mutual fund  rankings, the  Fund's performance  may  be
    compared  to mutual fund indices prepared by Lipper. Morningstar is a mutual
    fund  rating  service  that  also  rates  mutual  funds  on  the  basis   of
    risk-adjusted  performance. Morningstar ratings are calculated from a fund's
    three, five  and  ten  year  average annual  returns  with  appropriate  fee
    adjustments and a risk factor that reflects fund performance relative to the
    three-month  U.S. Treasury bill monthly returns. Ten percent of the funds in
    an investment category receive five stars and 22.5% receive four stars.  The
    ratings are subject to change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
                  Statement of Additional Information Page 44
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    prices of 500 of the largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley  Capital International All  Country (AC) World  index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2,500 different issuers,  located in 47 countries,  and
    grouped in 38 separate industries.
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE"), which provides brief reports on most of the World Bank's borrowing
    members. The World  Development Report  is published annually  and looks  at
    global   and  regional  economic  trends  and  their  implications  for  the
    developing economies.
 
       (12) Salomon Brothers Global Telecommunications Index, which is  composed
    of telecommunications companies in the developing and emerging countries.
 
       (13)  Datastream and  Worldscope, each  of which  is an  on-line database
    retrieval service  for information,  including international  financial  and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15) Various publications and reports produced by the World Bank and  its
    affiliates.
 
       (16)  Various publications from the International Bank for Reconstruction
    and Development.
 
       (17) Various publications  produced by ratings  agencies such as  Moody's
    Investors  Service, Inc. ("Moody's"),  Standard & Poor's,  a division of The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18) Wilshire Associates, which is an on-line database for  international
    financial  and economic data including performance measures for a wide range
    of securities.
 
       (19) Bank Rate National Monitor Index, which is an average of the  quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20)  International  Finance  Corporation ("IFC")  Emerging  Markets Data
    Base, which  provides  detailed statistics  on  bond and  stock  markets  in
    developing countries
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various  financial  organizations,  such  as  Salomon  Brothers,  Inc.,   Lehman
Brothers,  Merrill  Lynch,  Pierce,  Fenner &  Smith,  Inc.,  Financial Research
Corporation, J. P. Morgan, Morgan Stanley, Smith Barney Shearson, S.G.  Warburg,
Jardine  Flemming,  The Bank  for  International Settlements,  Asian Development
Bank, Bloomberg, L.P. and Ibbotson Associates may be used as well as information
reported by the  Federal Reserve  and the  respective Central  Banks of  various
nations. In addition, AIM Distributors may use performance rankings, ratings and
commentary  reported periodically in  national financial publications, including
Money Magazine, Mutual  Fund Magazine, Smart  Money, Global Finance,  EuroMoney,
Financial  World, Forbes, Fortune, Business Week, Latin Finance, The Wall Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's,  The  Financial Times,  USA  Today, The  New  York Times,  Far Eastern
Economic Review,  The Economist  and Investors  Business Digest.  Each Fund  may
compare  its performance to that of  other compilations or indices of comparable
quality to those listed above and other  indices that may be developed and  made
available in the future.
    
 
                  Statement of Additional Information Page 45
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
Information   relating  to   foreign  market   performance,  capitalization  and
diversification is based on sources believed  to be reliable but may be  subject
to  revision  and  has not  been  independently  verified by  the  Funds  or AIM
Distributors. The  authors  and  publishers  of such  material  are  not  to  be
considered  as "experts" under the 1933 Act, on account of the inclusion of such
information herein.
    
 
A portion of the  performance figures for each  market includes the positive  or
negative effects of the currency exchange rates effective at December 31 of each
year  between the U.S. dollar and currency of the foreign market (e.g., Japanese
Yen, German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that  has
strengthened  or weakened against the U.S.  dollar will positively or negatively
affect the reported returns, as the case may be.
 
   
AIM Distributors  believes that  this  information may  be useful  to  investors
considering  whether and to  what extent to  diversify their investments through
the purchase of mutual funds investing in securities on a global basis. However,
this data is not a representation of  the past performance of any of the  Funds,
nor  is it a prediction  of such performance. The  performance of the Funds will
differ from the historical performance  of relevant indices. The performance  of
indices  does not take expenses into account, while each Fund incurs expenses in
its operations, which will reduce performance. Each of these factors will  cause
the performance of each Fund to differ from relevant indices.
    
 
   
From  time to time,  each Fund and AIM  Distributors may refer  to the number of
shareholders in the  Funds or  the aggregate number  of shareholders  in all  GT
Global  Mutual Funds or the dollar amount of each Fund's assets under management
or rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM Distributors  believes the  GT Global  Income Funds  can be  an  appropriate
investment  for long-term investment goals, including funding retirement, paying
for education or purchasing  a house. AIM  Distributors may provide  information
designed  to  help individuals  understand  their investment  goals  and explore
various financial strategies. For example, AIM Distributors may describe general
principles of  investing, such  as asset  allocation, diversification  and  risk
tolerance.  The GT  Global Income Funds  do not represent  a complete investment
program and the investors should consider the Funds as appropriate for a portion
of their overall investment portfolio with regard to their long-term  investment
goals.  There is no assurance  that any such information  will lead to achieving
these goals or guarantee future results.
    
 
   
From time to time, AIM Distributors may refer to or advertise the names of  U.S.
and  non-U.S. companies and  their products, although there  can be no assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns  of the capital  markets in the United  States, including common stocks,
small  capitalization  stocks,  long-term  corporate  bonds,   intermediate-term
government  bonds, long-term government bonds, Treasury  bills, the U.S. rate of
inflation (based on the CPI), and  combinations of various capital markets.  The
performance  of  these capital  markets  is based  on  the returns  of different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to demonstrate  general  risk-versus-reward  investment  scenarios.  Performance
comparisons  may also include the  value of a hypothetical  investment in any of
these capital  markets. The  risks associated  with the  security types  in  any
capital  market  may or  may  not correspond  directly  to those  of  the Funds.
Ibbotson calculates total returns in the same method as the Funds.
 
Each Fund may quote  various measures of  volatility and benchmark  correlation,
such  as beta,  standard deviation and  R(2), in advertising.  In addition, each
Fund may compare these measures to those of other funds. Measures of  volatility
seek  to compare each Fund's historical share price fluctuations or total return
to those of a benchmark.
 
Each Fund may advertise  examples of the effects  of periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a Fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low.  While such a strategy does not assure  a profit or guard against loss in a
declining market, the  investor's average cost  per share can  be lower than  if
fixed  numbers of shares are purchased at the same intervals. In evaluating such
a plan, investors should  consider their ability  to continue purchasing  shares
through periods of low price levels.
 
Each  Fund may describe in its sales material and advertisements how an investor
may invest in GT Global Mutual  Funds through various retirement plans or  other
programs that offer deferral of income taxes on investment earnings and pursuant
to  which  an  investor  may make  deductible  contributions.  Because  of their
advantages, these retirement plans and programs may produce returns superior  to
comparable non-retirement investments. For example, a $10,000 investment earning
a  taxable return of 10% annually would have an after-tax value of $17,976 after
ten years, assuming tax was deducted from the return each year at a 39.6%  rate.
An  equivalent tax-deferred investment would have  an after-tax value of $19,626
after ten years, assuming  tax was deducted  at a 39.6%  rate from the  deferred
earnings at the end of the ten-year
 
                  Statement of Additional Information Page 46
<PAGE>
                             GT GLOBAL INCOME FUNDS
period.  In sales material  and advertisements, the Fund  may also discuss these
plans and  programs.  See "Information  Relating  to Sales  and  Redemptions  --
Individual Retirement Accounts ('IRAs') and Other Tax-Deferred Plans."
 
GT Global may from time to time in its sales methods and advertising discuss the
risks inherent in investing. The major types of investment risk are market risk,
industry  risk,  credit  risk,  interest  rate  risk  and  inflation  risk. Risk
represents the possibility that you may lose some or all of your investment over
a period  of time.  A basic  tenet of  investing is  the greater  the  potential
reward, the greater the risk.
 
   
From  time  to  time, the  Funds  and  AIM Distributors  will  quote information
regarding industries, individual countries, regions, world stock exchanges,  and
economic   and  demographic  statistics  from  sources  AIM  Distributors  deems
reliable, including the economic and financial data of financial  organizations,
such as:
    
 
 1) Stock  market  capitalization:  Morgan Stanley  Capital  International World
    Indices, IFC and Datastream.
 
 2) Stock market trading volume:  Morgan Stanley Capital International  Industry
    Indices and IFC.
 
 3) The  number  of listed  companies: IFC,  GT Guide  to World  Equity Markets,
    Salomon Brothers, Inc., and S.G. Warburg.
 
 4) Wage rates: U.S. Department of  Labor Statistics and Morgan Stanley  Capital
    International World.
 
 5) International  industry  performance: Morgan  Stanley  Capital International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock  market  performance:  Morgan  Stanley  Capital  International   World
    Indices, IFC and Datastream.
 
 7) The  Consumer Price Index and inflation rate: The World Bank, Datastream and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry  or market: IFC, GT Guide to  World
    Equity Markets, Salomon Brothers Inc. and S.G. Warburg.
 
15) Foreign  direct  investments to  developing  countries: The  World  Bank and
    Datastream.
 
16) Supply, consumption,  demand  and  growth in  demand  of  certain  products,
    services  and industries, including, but  not limited to electricity, water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources of such information may include,  but would not be limited to,  The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard  deviation and performance returns for U.S. and non-U.S. equity and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries restructuring their  debt, including those  under the Brady  Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government  and corporate  bonds --  credit ratings,  yield to  maturity and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From time to time, AIM Distributors may include in its advertisements and  sales
material,   information  about  privatization,  which  is  an  economic  process
involving the sale of state-owned companies to the private sector.
    
 
   
In advertising and sales  materials, AIM Distributors may  make reference to  or
discuss  its products, services and accomplishments. Among these accomplishments
are that in 1983 the Sub-adviser  provided assistance to the government of  Hong
Kong  in  linking its  currency to  the U.S.  dollar, and  that in  1987 Japan's
Ministry of  Finance licensed  LGT Asset  Management Ltd.  as one  of the  first
foreign   discretionary  investment   managers  for   Japanese  investors.  Such
accomplishments, however,  should  not  be  viewed  as  an  endorsement  of  the
Sub-adviser  by the government of Hong Kong,  Japan's Ministry of Finance or any
other government or government  agency. Nor do any  such accomplishments of  the
Sub-adviser  provide any assurance  that the GT  Global Mutual Funds' investment
objectives will be achieved.
    
 
                  Statement of Additional Information Page 47
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
[GT GLOBAL ADVANTAGE
    
   
As part of Liechtenstein Global Trust,  GT Global continues a 75-year  tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine offices  worldwide,  we  witness world  events  and  economic  developments
firsthand. Many of the GT Global Mutual Funds' portfolio sub-adviser are natives
of the countries in which they invest, speak local languages and/or live or work
in the markets they follow.
    
 
The  key to achieving  consistent results is  following a disciplined investment
process. Our  approach  to  asset  allocation takes  advantage  of  GT  Global's
worldwide   presence  and  global  perspective.  Our  "macroeconomic"  worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up process  of  security  selection combines  fundamental  research  with
quantitative analysis through our proprietary models.
 
Built-in  checks  and balances  strengthen  the process,  enhancing professional
experience and judgment with an  objective assessment of risk. Ultimately,  each
security  we select has passed  a ranking system that  helps our portfolio teams
determine when to buy and when to  sell. With respect to stocks, a global  stock
research  ("GSR") database developed  by GT Global is  utilized in the selection
process. All stocks  within the GSR  database are systematically  ranked by  our
analysts  on a  1-5 basis  with 1 representing  the most  favored. The rankings,
along with our  quantitative, fundamental research,  determine which stocks  are
bought and sold.
 
In  addition, the GT Global Strategic Income  Fund and the GT Global High Income
Fund, from time to  time, may quote yields  and total returns of  representative
debt  instruments from  emerging market countries  in its  advertising and sales
literature.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.
 
ECONOMIC DEVELOPMENT IN EMERGING MARKETS
   
The  Sub-adviser has identified  six phases to track  the progress of developing
economies.
    
 
   
In addition, the Sub-adviser focuses on the transitions between each phase:
    
 
    BETWEEN PHASES 1 & 2,  STABILIZATION: Developing nations recognize the  need
for economic reform and launch initiatives to stabilize their economies. Typical
measures  might  include  initiating  monetary  reforms  to  contain  inflation,
controlling government spending, and addressing external trade imbalances.
 
    BETWEEN PHASES 2 & 3,  RENOVATION: Economic development gathers momentum  as
the   governments  of  developing   nations  take  further   steps  to  increase
productivity and external competitiveness. Typical reforms include easing market
regulations, privatizing  state-owned industries,  lowering trade  barriers  and
reforming the national tax structure.
 
   
    BETWEEN  PHASES  3 &  4, NEW  CONSTRUCTION: As  economic reforms  take hold,
infrastructure improvements  are  needed  to facilitate  and  support  long-term
growth.  The construction and upgrading of highways and airports, communications
and utility systems  generally require  financing in  the form  of public  debt.
Similarly,  as  the private  sector develops,  bolstered by  new privatizations,
corporate debt securities typically are issued to finance business expansion.]
    
 
                  Statement of Additional Information Page 48
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
EMERGING MARKET TRADING VOLUME
The annual trading volume of debt securities from developing economies according
to Salomon Brothers, Inc. has grown from $90 billion in 1990 to $150 billion  in
1991,  to $400 billion in 1992 and was estimated to be $1,200 billion at the end
of 1993 and $1.5 trillion at the end of 1994, respectively.
 
- --------------------------------------------------------------------------------
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by various entities from  "Aaa" to "C". Investment  grade ratings are the  first
four categories:
 
        Aaa  -- Bonds which are rated Aaa are  judged to be of the best quality.
    They carry the smallest degree of investment risk and are generally referred
    to as "gilt  edged." Interest payments  are protected  by a large  or by  an
    exceptionally  stable  margin and  principal  is secure.  While  the various
    protective elements are likely to change, such changes as can be  visualized
    are  most  unlikely  to impair  the  fundamentally strong  position  of such
    issues.
 
        Aa -- Bonds which are rated Aa are  judged to be of high quality by  all
    standards.  Together with  the Aaa  group they  comprise what  are generally
    known as high grade bonds. They are rated lower than the best bonds  because
    margins  of  protection  may  not  be  as  large  as  in  Aaa  securities or
    fluctuation of protective elements may be of greater amplitude or there  may
    be  other elements  present which  make the  long-term risk  appear somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes  and  are  to be  considered  as  upper-medium-grade obligations.
    Factors giving security to principal  and interest are considered  adequate,
    but  elements may  be present which  suggest a  susceptibility to impairment
    some time in the future.
 
        Baa --  Bonds  which  are  rated  Baa  are  considered  as  medium-grade
    obligations,  (i.e., they are neither  highly protected nor poorly secured).
    Interest payments and principal security appear adequate for the present but
    certain protective  elements may  be lacking  or may  be  characteristically
    unreliable  over  any  great length  of  time. Such  bonds  lack outstanding
    investment characteristics and in  fact have speculative characteristics  as
    well.
 
        Ba  -- Bonds which are rated Ba are judged to have speculative elements;
    their future cannot be considered  as well-assured. Often the protection  of
    interest  and principal payments may be  very moderate, and thereby not well
    safeguarded during both good and bad  times over the future. Uncertainty  of
    position characterizes bonds in this class.
 
        B  --  Bonds which  are rated  B generally  lack characteristics  of the
    desirable investment. Assurance  of interest  and principal  payments or  of
    maintenance  of other terms of the contract over any long period of time may
    be small.
 
        Caa -- Bonds which are rated Caa  are of poor standing. Such issues  may
    be  in default or  there may be  present elements of  danger with respect to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C  -- Bonds which are  rated C are the lowest  rated class of bonds, and
    issues so rated can be regarded  as having extremely poor prospects of  ever
    attaining any real investment standing.
 
ABSENCE  OF RATING: Where no rating has been assigned or where a rating has been
suspended or withdrawn, it may  be for reasons unrelated  to the quality of  the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
     1. An application for rating was not received or accepted.
 
     2.  The issue or issuer belongs to  a group of securities or companies that
are not rated as a matter of policy.
 
     3. There is a lack of essential data pertaining to the issue or issuer.
 
                  Statement of Additional Information Page 49
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
     4. The  issue  was  privately placed,  in  which  case the  rating  is  not
published in Moody's publications.
 
Suspension  or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data  to permit  a judgment  to be  formed; if  a bond  is
called for redemption; or for other reasons.
 
Note:  Moody's applies numerical modifiers,  1, 2, and 3  in each generic rating
classification from Aa to Caa. The  modifier 1 indicates that the Company  ranks
in  the higher end  of its generic  rating category; the  modifier 2 indicates a
mid-range ranking; and the  modifier 3 indicates that  the Company ranks in  the
lower end of its generic rating category.
 
    STANDARD  & POOR'S, a  division of The  McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various  entities in categories ranging from  "AAA"
to  "D"  according  to quality.  Investment  grade  ratings are  the  first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA  --  An  obligation  rated  "AA"  differs  from  the  highest   rated
    obligations  only  in a  small degree.  The obligor's  capacity to  meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB  --  An   obligation  rated  "BBB"   exhibits  adequate   protection
    parameters.  However, adverse economic  conditions or changing circumstances
    are more likely to lead  to a weakened capacity of  the obligor to meet  its
    financial commitment on the obligation.
 
        BB,  B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and "C"
    are  regarded  as  having  significant  speculative  characteristics.   "BB"
    indicates  the least degree  of speculation and "C"  the highest. While such
    obligations will likely  have some quality  and protective  characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB  -- An  obligation rated "BB"  is less vulnerable  to nonpayment than
    other speculative issues. However, it  faces major ongoing uncertainties  or
    exposure  to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate  capacity to meet its financial  commitment
    on the obligation.
 
        B  --  An obligation  rated "B"  is more  vulnerable to  nonpayment than
    obligations rated "BB," but the obligor  currently has the capacity to  meet
    its  financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to  nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for  the obligor to meet its financial  commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to  have the  capacity to meet  its financial  commitment on  the
    obligation.
 
        CC  --  An  obligation  rated "CC"  is  currently  highly  vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a  bankruptcy
    petition  has been filed or  similar action has been  taken, but payments on
    this obligation are being continued.
 
        D --  An obligation  rated "D"  is in  payment default.  The "D"  rating
    category is used when payments on an obligation are not made on the date due
    even  if the  applicable grace period  has not expired,  unless S&P believes
    that such payments  will be made  during such grace  period. The "D"  rating
    also  will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by  the
addition  of a  plus or minus  sign to  show relative standing  within the major
rating categories.
 
NR: Indicates that  no rating  has been  requested, that  there is  insufficient
information  on which to base  a rating, or that S&P  does not rate a particular
type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S employs  the  designation  "Prime-1" to  indicate  commercial  paper
having  a superior ability for repayment  of senior short-term debt obligations.
Prime-1 repayment  ability will  often be  evidenced by  many of  the  following
characteristics:  leading market positions  in well-established industries; high
rates of return  on funds employed;  conservative capitalization structure  with
moderate  reliance on debt and ample asset protection; broad margins in earnings
coverage of
 
                  Statement of Additional Information Page 50
<PAGE>
                             GT GLOBAL INCOME FUNDS
fixed financial charges and high internal cash generation; and  well-established
access  to  a  range  of  financial markets  and  assured  sources  of alternate
liquidity. Issues rated Prime-2  have a strong ability  for repayment of  senior
short-term  debt obligations.  This normally  will be  evidenced by  many of the
characteristics cited above but to a lesser degree. Earnings trends and coverage
ratios,  while  sound,  may  be   more  subject  to  variation.   Capitalization
characteristics,  while  still appropriate,  may  be more  affected  by external
conditions. Ample alternate liquidity is maintained.
 
    S&P ratings of commercial paper  are graded into several categories  ranging
from  "A1" for the highest quality obligations  to "D" for the lowest. Issues in
the "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate  the
relative  degree  of safety.  A-1 --  This highest  category indicates  that the
degree of safety regarding timely payment is strong. Those issues determined  to
possess extremely strong safety characteristics will be denoted with a plus sign
(+)  designation.  A-2  -- Capacity  for  timely  payments on  issues  with this
designation is satisfactory; however,  the relative degree of  safety is not  as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
 
   
To be filed.
    
 
                  Statement of Additional Information Page 51
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity for U.S. investors by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on large cap equity securities of U.S. companies believed to be
undervalued
 
GT JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Invests in global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in a portfolio of emerging market debt securities
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY  G.T.
  INVESTMENT  FUNDS,  GT GLOBAL  GOVERNMENT INCOME  FUND, GT  GLOBAL STRATEGIC
  INCOME FUND, GT GLOBAL HIGH INCOME FUND, GLOBAL HIGH INCOME PORTFOLIO, A I M
  ADVISORS,  INC.,  [CHANCELLOR  LGT  ASSET   MANAGEMENT,  INC.]  OR  A  I   M
  DISTRIBUTORS,  INC.  THIS  STATEMENT  OF  ADDITIONAL  INFORMATION  DOES  NOT
  CONSTITUTE AN OFFER TO SELL OR SOLICITATION  OF ANY OFFER TO BUY ANY OF  THE
  SECURITIES  OFFERED HEREBY IN ANY  JURISDICTION TO ANY PERSON  TO WHOM IT IS
  UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
                                                                      INCSA703MC
<PAGE>
                               GT GLOBAL GROWTH &
                                  INCOME FUND
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  Statement of  Additional Information  relates to the  Class A  and Class B
shares of GT Global Growth & Income Fund ("Fund"). The Fund is a non-diversified
series  of  G.T.  Investment  Funds  (the  "Company"),  a  registered   open-end
management  investment company. This Statement  of Additional Information, which
is not a  prospectus, supplements  and should be  read in  conjunction with  the
Fund's  current Class  A and Class  B Prospectus dated  June 1, 1998,  a copy of
which is available without charge by writing to the above address or by  calling
the Fund at the toll-free telephone number listed above.
    
 
   
AIM Advisors, Inc. ("AIM") serves as the investment manager of and administrator
for,  and [Chancellor GT  Asset Management, Inc.]  (the "Sub-adviser") serves as
the investment sub-adviser and sub-administrator  for the Fund. The  distributor
of  the Fund's  shares is  A I  M Distributors,  Inc. ("AIM  Distributors"). The
Fund's transfer agent is GT Global Investor Services, Inc. ("GT Services" or the
"Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objective and Policies........................................................................................      2
Options, Futures and Currency Strategies.................................................................................      5
Risk Factors.............................................................................................................     13
Investment Limitations...................................................................................................     17
Execution of Portfolio Transactions......................................................................................     19
Trustees and Executive Officers..........................................................................................     21
Management...............................................................................................................     23
Valuation of Fund Shares.................................................................................................     25
Information Relating to Sales and Redemptions............................................................................     27
Taxes....................................................................................................................     31
Additional Information...................................................................................................     33
Investment Results.......................................................................................................     34
Description of Debt Ratings..............................................................................................     40
Financial Statements.....................................................................................................     42
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                            INVESTMENT OBJECTIVE AND
                                    POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVE
The  investment objective of the Fund is long-term capital appreciation together
with current  income. The  Fund seeks  its objective  by investing  in a  global
portfolio of both equity securities and debt obligations allocated among diverse
international markets.
 
SELECTION OF EQUITY INVESTMENTS
   
For  investment  purposes, an  issuer is  typically considered  as located  in a
particular country  if it  (a) is  incorporated under  the laws  of or  has  its
principal  office in that country, or (b) it normally derives 50% or more of its
total revenue from  business in that  country. However, these  are not  absolute
requirements,  and certain  companies incorporated  in a  particular country and
considered by the Sub-adviser to be located in that country may have substantial
off-shore operations or subsidiaries and/or  export sales exceeding in size  the
assets or sales in that country.
    
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
The  Fund  may  invest  in the  securities  of  investment  companies (including
investment vehicles or companies  advised by the  Sub-adviser or its  affiliates
("Affiliated  Funds")) within the limits of  the Investment Company Act of 1940,
as amended ("1940 Act"). These  limitations currently provide that, in  general,
the  Fund may purchase shares of a closed-end investment company unless (a) such
a purchase would cause the Fund to own  in the aggregate more than 3 percent  of
the  total outstanding  voting stock  of the  investment company  or (b)  such a
purchase would cause the Fund  to have more than 5  percent of its total  assets
invested  in the investment company or more  than 10 percent of its total assets
invested in an aggregate  of all such investment  companies. Investment in  such
investment  companies may also involve the payment of substantial premiums above
the value of such companies' portfolio  securities. The Fund does not intend  to
invest  in such investment companies unless, in the judgment of the Sub-adviser,
the potential benefits of such investments justify the payment of any applicable
premiums. The return on such securities will be reduced by operating expenses of
such companies including payments to the investment managers of those investment
companies. With  respect to  investments in  Affiliated Funds,  the  Sub-adviser
waives  its advisory fee to the extent that such fees are based on assets of the
Fund invested in Affiliated Funds.
    
 
DEPOSITORY RECEIPTS
The Fund may hold equity securities of  foreign issuers in the form of  American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs"), or other
securities convertible into securities of eligible issuers. These securities may
not necessarily be denominated in the same currency as the securities for  which
they may be exchanged. ADRs and ADSs typically are issued by an American bank or
trust  company  and  evidence ownership  of  underlying securities  issued  by a
foreign corporation.  EDRs,  which  are sometimes  referred  to  as  Continental
Depository  Receipts ("CDRs"), are  issued in Europe  typically by foreign banks
and trust  companies  and  evidence  ownership of  either  foreign  or  domestic
securities.  GDRs  are similar  to  EDRs and  are  designed for  use  in several
international financial markets. Generally, ADRs and ADSs in registered form are
designed for use in United States securities markets and EDRs in bearer form are
designed for use  in European  securities markets.  For purposes  of the  Fund's
investment policies, the Fund's investments in ADRs, ADSs, GDRs and EDRs will be
deemed  to be  investments in the  equity securities  representing securities of
foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass-through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally the same manner as
 
                   Statement of Additional Information Page 2
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
unsponsored facilities,  except  that the  issuer  of the  deposited  securities
enters  into a deposit agreement with the depository. The deposit agreement sets
out the rights and  responsibilities of the issuer,  the depository and the  ADR
holders.  With  sponsored facilities,  the  issuer of  the  deposited securities
generally will bear some of the costs relating to the facility (such as dividend
payment fees of the depository), although  ADR holders continue to bear  certain
other  costs (such  as deposit  and withdrawal  fees). Under  the terms  of most
sponsored arrangements, depositories agree to distribute notices of  shareholder
meetings  and voting instructions, and to provide shareholder communications and
other information  to the  ADR  holders at  the request  of  the issuer  of  the
deposited  securities. The  Fund may  invest in  both sponsored  and unsponsored
ADRs.
 
WARRANTS OR RIGHTS
Warrants or  rights  may  be acquired  by  the  Fund in  connection  with  other
securities  or separately and provide  the Fund with the  right to purchase at a
later date other securities of the issuer.
 
LENDING OF PORTFOLIO SECURITIES
   
For the purpose of realizing additional income, the Fund may make secured  loans
of  portfolio securities  amounting to  not more than  30% of  its total assets.
Securities loans are made to broker/dealers or institutional investors  pursuant
to  agreements requiring that the loans continuously be secured by collateral at
least equal at all times  to the value of the  securities lent plus any  accrued
interest,  "marked to  market" on  a daily  basis. The  Fund may  pay reasonable
administrative and custodial fees  in connection with  loans of its  securities.
While  the securities loan is outstanding, the Fund will continue to receive the
equivalent of the interest or dividends paid by the issuer on the securities, as
well as interest on the investment of the collateral or a fee from the borrower.
The Fund will have a  right to call each loan  and obtain the securities  within
the  stated settlement period. The  Fund will not have  the right to vote equity
securities while they are lent, but it may call in a loan in anticipation of any
important vote. Loans will be made only to firms deemed by the Sub-adviser to be
of good  standing  and  will  not  be  made  unless,  in  the  judgment  of  the
Sub-adviser,  the consideration to  be earned from such  loans would justify the
risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For the  purposes  of  the  Fund's investment  policies  with  respect  to  bank
obligations,  obligations of foreign branches of U.S. banks and of foreign banks
are obligations of the issuing bank and may be general obligations of the parent
bank. Such  obligations, however,  may be  limited by  the terms  of a  specific
obligation  and  by  government  regulation.  As  with  investment  in  non-U.S.
securities in general,  investments in  the obligations of  foreign branches  of
U.S.  banks and of foreign  banks may subject the  Fund to investment risks that
are different  in some  respects from  those of  investments in  obligations  of
domestic  issuers. Although the  Fund typically will  acquire obligations issued
and supported by the credit of U.S. or foreign banks having total assets at  the
time  of purchase  in excess  of $1 billion,  this $1  billion figure  is not an
investment policy or restriction  of the Fund. For  the purposes of  calculation
with  respect to the $1 billion  figure, the assets of a  bank will be deemed to
include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A repurchase agreement is a transaction  in which the Fund purchases a  security
from a bank or recognized securities dealer and simultaneously commits to resell
that  security to the bank  or dealer at an agreed  upon price, date, and market
rate of  interest unrelated  to the  coupon rate  or maturity  of the  purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to  the repurchase  agreement becomes bankrupt,  the Fund intends  to enter into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present minimum credit risks  in accordance with  guidelines established by  the
Company's  Board  of  Trustees.  The Sub-adviser  will  review  and  monitor the
creditworthiness of such institutions under the Board's general supervision.
    
 
The Fund will invest only in  repurchase agreements collateralized at all  times
in  an amount at least  equal to the repurchase  price plus accrued interest. To
the extent that the proceeds from any sale of such collateral upon a default  in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer  a loss. If  the financial institution  which is party  to the repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other liquidation proceedings, there may  be restrictions on the Fund's  ability
to  sell the collateral and the Fund  could suffer a loss. However, with respect
to financial  institutions  whose  bankruptcy  or  liquidation  proceedings  are
subject  to the U.S. Bankruptcy Code, the Fund intends to comply with provisions
under the U.S.  Bankruptcy Code that  would allow it  immediately to resell  the
collateral.  There is no limitation on the  amount of the Fund's assets that may
be subject to repurchase agreements at any  given time. The Fund will not  enter
into  a repurchase agreement  with a maturity of  more than seven  days if, as a
result, more than 10% of the value of  its net assets would be invested in  such
repurchase agreements and other illiquid investments.
 
                   Statement of Additional Information Page 3
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
The  Fund's borrowings will not exceed 33 1/3% of the Fund's total assets, i.e.,
the Fund's total assets at all times will  equal at least 300% of the amount  of
outstanding  borrowings.  If  market fluctuations  in  the value  of  the Fund's
portfolio holdings or other factors cause  the ratio of the Fund's total  assets
to  outstanding  borrowings to  fall below  300%,  within three  days (excluding
Sundays and holidays) of such event the  Fund may be required to sell  portfolio
securities  to restore the  300% asset coverage, even  though from an investment
standpoint such sales might be disadvantageous.  The Fund also may borrow up  to
5%  of its total assets  for temporary or emergency  purposes other than to meet
redemptions. Any borrowing  by the  Fund may  cause greater  fluctuation in  the
value of its shares than would be the case if the Fund did not borrow.
 
   
The  Fund's fundamental investment  limitations permit the  Fund to borrow money
for leveraging purposes. The Fund, however, currently is prohibited, pursuant to
a non-fundamental investment policy, from  borrowing money in order to  purchase
securities.  Nevertheless, this policy may be changed in the future by a vote of
a majority of the Company's Board of  Trustees. If the Fund employs leverage  in
the  future, it would  be subject to  certain additional risks.  Use of leverage
creates an opportunity for  greater growth of capital  but would exaggerate  any
increases  or decreases in the Fund's net asset value. When the income and gains
on securities purchased with the proceeds of borrowings exceed the costs of such
borrowings, the Fund's  earnings or net  asset value will  increase faster  than
otherwise would be the case; conversely, if such income and gains fail to exceed
such  costs, the Fund's  earnings or net  asset value would  decline faster than
would otherwise be the case.
    
 
The Fund  may enter  into reverse  repurchase agreements.  A reverse  repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security  to another party, such as a  bank or broker/dealer in return for cash,
and agrees to repurchase  the security in  the future at  an agreed upon  price,
which  includes  an  interest component.  The  Fund  also may  engage  in "roll"
borrowing transactions  which involve  the Fund's  sale of  Government  National
Mortgage Association certificates or other securities together with a commitment
(for  which the Fund may receive a  fee) to purchase similar, but not identical,
securities at a  future date. The  Fund will maintain,  in a segregated  account
with a custodian, cash or liquid securities in an amount sufficient to cover its
obligations  under "roll"  transactions and  reverse repurchase  agreements with
broker/dealers. No  segregation is  required for  reverse repurchase  agreements
with banks.
 
SHORT SALES
The  Fund  may  make short  sales  of  securities, although  it  has  no current
intention of doing so. A short sale is  a transaction in which the Fund sells  a
security  in anticipation that  the market price of  that security will decline.
The Fund may  make short  sales (i)  as a form  of hedging  to offset  potential
declines  in long positions in securities it owns, or anticipates acquiring, and
(ii) in order to  maintain portfolio flexibility. The  Fund may only make  short
sales "against the box." In this type of short sale, at the time of the sale the
Fund  owns the security it has sold short or has the immediate and unconditional
right to acquire the identical security at no additional cost.
 
In a short sale, the seller does not immediately deliver the securities sold and
does not receive the proceeds from the sale. To make delivery to the  purchaser,
the  executing broker borrows the  securities being sold short  on behalf of the
seller. The seller is said to have a short position in the securities sold until
it delivers the securities sold, at which  time it receives the proceeds of  the
sale.  To secure its obligation to deliver  securities sold short, the Fund will
deposit in  a  separate  account with  its  custodian  an equal  amount  of  the
securities  sold short or  securities convertible into  or exchangeable for such
securities at no cost. The Fund could  close out a short position by  purchasing
and  delivering an  equal amount  of the securities  sold short,  rather than by
delivering securities already held by the  Fund, because the Fund might want  to
continue  to  receive  interest  and  dividend  payments  on  securities  in its
portfolio that are convertible into the securities sold short.
 
   
The Fund might make  a short sale  "against the box" in  order to hedge  against
market  risks when  the Sub-adviser  believes that the  price of  a security may
decline, causing a decline  in the value of  a security owned by  the Fund or  a
security  convertible into or exchangeable for  such security. In such case, any
future losses in the  Fund's long position  should be reduced by  a gain in  the
short position. Conversely, any gain in the long position should be reduced by a
loss in the short position. The extent to which such gains or losses in the long
position  are reduced will depend  upon the amount of  the securities sold short
relative to  the amount  of the  securities the  Fund owns,  either directly  or
indirectly, and, in the case where the Fund owns convertible securities, changes
in  the investment values or conversion  premiums of such securities. There will
be certain additional transaction costs associated with short sales "against the
box," but the  Fund will endeavor  to offset  these costs with  income from  the
investment of the cash proceeds of short sales.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The  use of options, futures contracts  and forward currency contracts ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1) Successful  use  of  most  of these  instruments  depends  upon  the
    Sub-adviser's  ability to  predict movements  of the  overall securities and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the use of these instruments, there can be no assurance that any  particular
    strategy adopted will succeed.
    
 
        (2)  There  might  be  imperfect correlation,  or  even  no correlation,
    between price  movements  of  an  instrument  and  price  movements  of  the
    investments being hedged. For example, if the value of an instrument used in
    a  short hedge  increased by less  than the  decline in value  of the hedged
    investment, the  hedge  would  not  be fully  successful.  Such  a  lack  of
    correlation  might  occur  due to  factors  unrelated  to the  value  of the
    investments being  hedged, such  as speculative  or other  pressures on  the
    markets  in which  the hedging  instrument is  traded. The  effectiveness of
    hedges using hedging  instruments on indices  will depend on  the degree  of
    correlation  between price movements in the index and price movements in the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or partially offsetting the negative  effect of unfavorable price  movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity  for gain by  offsetting the positive  effect of favorable price
    movements in the hedged investments. For  example, if a Fund entered into  a
    short  hedge because the Sub-adviser  projected a decline in  the price of a
    security in the Fund's portfolio, and  the price of that security  increased
    instead,  the gain from that increase might by wholly or partially offset by
    a decline in the price of the hedging instrument. Moreover, if the price  of
    the  hedging instrument declined by  more than the increase  in the price of
    the security, the Fund could  suffer a loss. In  either such case, the  Fund
    would have been in a better position had it not hedged at all.
    
 
        (4)  As described below, a Fund might  be required to maintain assets as
    "cover," maintain segregated accounts or make margin payments when it  takes
    positions  in  instruments  involving obligations  to  third  parties (I.E.,
    instruments other than purchased options). If the Fund were unable to  close
    out  its positions in such instruments, it  might be required to continue to
    maintain such assets or  accounts or make such  payments until the  position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a  disadvantageous time. The  Fund's ability to  close out a  position in an
    instrument prior to  expiration or maturity  depends on the  existence of  a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness  of the other party to the transaction ("contra party") to enter
    into a  transaction  closing  out  the  position.  Therefore,  there  is  no
    assurance  that any position can  be closed out at a  time and price that is
    favorable to the Fund.
 
WRITING CALL OPTIONS
   
The Fund may write  (sell) call options on  securities, indices and  currencies.
Call options generally will be written on securities and currencies that, in the
opinion of the Sub-adviser are not expected to make any major price moves in the
near  future  but  that,  over  the  long  term,  are  deemed  to  be attractive
investments for the Fund.
    
 
A call option  gives the  holder (buyer)  the right  to purchase  a security  or
currency  at a specified price (the exercise  price) at any time until (American
Style) or on (European Style) a certain  date (the expiration date). So long  as
the  obligation of the writer of a call  option continues, he may be assigned an
exercise notice, requiring him  to deliver the  underlying security or  currency
against  payment  of the  exercise price.  This  obligation terminates  upon the
expiration of the call option, or such earlier time at which the writer  effects
a  closing  purchase  transaction  by purchasing  an  option  identical  to that
previously sold.
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on the basis of  investment considerations consistent with the
Fund's investment objective. When writing a call option, the Fund, in return for
the
 
                   Statement of Additional Information Page 5
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
premium, gives  up the  opportunity for  profit  from a  price increase  in  the
underlying  security or currency above the  exercise price, and retains the risk
of loss should the  price of the  security or currency  decline. Unlike one  who
owns  securities or currencies not subject to an option, the Fund has no control
over when it may  be required to sell  the underlying securities or  currencies,
since  most  options  may  be  exercised  at  any  time  prior  to  the option's
expiration. If a call option  that the Fund has  written expires, the Fund  will
realize a gain in the amount of the premium; however, such gain may be offset by
a  decline in the market value of the underlying security or currency during the
option period. If the call option is exercised, the Fund will realize a gain  or
loss  from  the sale  of  the underlying  security  or currency,  which  will be
increased or  offset by  the premium  received.  The Fund  does not  consider  a
security  or currency covered by  a call option to be  "pledged" as that term is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing call options can serve as a limited short hedge because declines in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
appreciates to a price higher than the exercise price of the call option, it can
be  expected that the option will be exercised and the Fund will be obligated to
sell the security or currency at less than its market value.
 
   
The premium  that the  Fund receives  for writing  a call  option is  deemed  to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of  the underlying  investment, the relationship  of the exercise  price to such
market price, the historical price volatility of the underlying investment,  and
the length of the option period. In determining whether a particular call option
should  be  written, the  Sub-adviser will  consider  the reasonableness  of the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing transactions  will  be effected  in  order to  realize  a profit  on  an
outstanding  call option,  to prevent  an underlying  security or  currency from
being called, or  to permit  the sale of  the underlying  security or  currency.
Furthermore,  effecting  a closing  transaction will  permit  the Fund  to write
another call  option  on the  underlying  security  or currency  with  either  a
different exercise price, expiration date or both.
 
The  Fund will pay transaction  costs in connection with  the writing of options
and in entering into closing  purchase contracts. Transaction costs relating  to
options  activity normally  are higher  than those  applicable to  purchases and
sales of portfolio securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market values of the underlying securities or currencies at the time the options
are  written. From time to time, the Fund may purchase an underlying security or
currency for delivery in accordance with the exercise of an option, rather  than
delivering  such  security  or  currency  from  its  portfolio.  In  such cases,
additional costs will be incurred.
 
The Fund will realize a  profit or loss from  a closing purchase transaction  if
the  cost of  the transaction  is less or  more, respectively,  than the premium
received from writing  the option. Because  increases in the  market price of  a
call  option  generally  will  reflect  increases in  the  market  price  of the
underlying security or  currency, any loss  resulting from the  repurchase of  a
call  option is likely to be  offset in whole or in  part by appreciation of the
underlying security or currency owned by the Fund.
 
WRITING PUT OPTIONS
The Fund may  write put  options on securities,  indices and  currencies. A  put
option  gives the  purchaser of  the option  the right  to sell,  and the writer
(seller) the  obligation to  buy, the  underlying security  or currency  at  the
exercise  price at any  time until (American  style) or on  (European style) the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is substantially identical to that of call options.
 
   
The  Fund  generally  would  write  put  options  in  circumstances  where   the
Sub-adviser  wishes  to purchase  the underlying  security  or currency  for the
Fund's portfolio at a price lower than the current market price of the  security
or  currency. In such  event, the Fund would  write a put  option at an exercise
price that, reduced by  the premium received on  the option, reflects the  lower
price  it is willing to pay. Since the  Fund also would receive interest on debt
securities or currencies maintained to cover  the exercise price of the  option,
this  technique could be used to enhance current return during periods of market
uncertainty. The risk in such  a transaction would be  that the market price  of
the  underlying security or currency would decline below the exercise price less
the premium received.
    
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put option will be exercised and the Fund will be obligated
to purchase the security or currency at greater than its market value.
 
                   Statement of Additional Information Page 6
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
PURCHASING PUT OPTIONS
The Fund may purchase put options on securities, indices and currencies. As  the
holder  of a put  option, the Fund would  have the right  to sell the underlying
security or currency at the exercise price at any time until (American style) or
on (European style) the  expiration date. The Fund  may enter into closing  sale
transactions  with  respect to  such options,  exercise them  or permit  them to
expire.
 
The Fund  may  purchase a  put  option on  an  underlying security  or  currency
("protective  put") owned by the Fund  to protect against an anticipated decline
in the value of the security or currency. Such hedge protection is provided only
during the life  of the  put option  when the  Fund, as  the holder  of the  put
option,  is able to sell the underlying security or currency at the put exercise
price regardless of  any decline in  the underlying security's  market price  or
currency's  exchange  value.  The  premium  paid  for  the  put  option  and any
transaction costs would reduce any  profit otherwise available for  distribution
when the security or currency is eventually sold.
 
The  Fund also may purchase put options at a time when the Fund does not own the
underlying security or  currency. By  purchasing put  options on  a security  or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it  has remaining value, and  if the market price  of the underlying security or
currency remains equal to or greater than the exercise price during the life  of
the  put option, the Fund will lose its  entire investment in the put option. In
order for the purchase of a put option to be profitable, the market price of the
underlying security or  currency must  decline sufficiently  below the  exercise
price  to cover the premium and transaction costs, unless the put option is sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options on securities, indices and currencies. As the
holder of  a  call  option, the  Fund  would  have the  right  to  purchase  the
underlying  security  or  currency  at  the exercise  price  at  any  time until
(American style) or on (European style) the expiration date. The Fund may  enter
into  closing sale transactions  with respect to such  options, exercise them or
permit them to expire.
 
Call options may  be purchased  by the  Fund for  the purpose  of acquiring  the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase  of  call options  would enable  the  Fund to  acquire the  security or
currency at the  exercise price of  the call  option plus the  premium paid.  At
times,  the net cost of acquiring the security or currency in this manner may be
less than  the  cost  of  acquiring the  security  or  currency  directly.  This
technique  also  may  be useful  to  the Fund  in  purchasing a  large  block of
securities that would be more difficult  to acquire by direct market  purchases.
So  long as it holds such a call  option, rather than the underlying security or
currency itself, the Fund is partially protected from any unexpected decline  in
the  market price  of the  underlying security or  currency and,  in such event,
could allow the call option  to expire, incurring a loss  only to the extent  of
the premium paid for the option.
 
The  Fund also may purchase call  options on underlying securities or currencies
it owns  to avoid  realizing losses  that would  result in  a reduction  of  its
current  return. For  example, where the  Fund has  written a call  option on an
underlying security or currency having a current market value below the price at
which it purchased  the security or  currency, an increase  in the market  price
could  result in  the exercise of  the call option  written by the  Fund and the
realization of a loss on the  underlying security or currency. Accordingly,  the
Fund  could purchase a call option on  the same underlying security or currency,
which could be exercised  to fulfill the Fund's  delivery obligations under  its
written  call (if it is exercised). This  strategy could allow the Fund to avoid
selling the portfolio security or currency at  a time when it has an  unrealized
loss;  however, the Fund would have to pay a premium to purchase the call option
plus transaction costs.
 
Aggregate premiums paid  for put  and call  options will  not exceed  5% of  the
Fund's total assets at the time of purchase.
 
The Fund may attempt to accomplish objectives similar to those involved in using
Forward  Contracts by purchasing put or call options on currencies. A put option
gives the  Fund as  purchaser  the right  (but not  the  obligation) to  sell  a
specified  amount of currency at the exercise  price at any time until (American
style) or on (European style) the expiration date. A call option gives the  Fund
as  purchaser the right (but not the  obligation) to purchase a specified amount
of currency at  the exercise  price at  any time  until (American  style) or  an
(European  style) the  expiration date. The  Fund might purchase  a currency put
option, for example, to protect itself against a decline in the dollar value  of
a  currency  in  which  it  holds  or  anticipates  holding  securities.  If the
currency's value should decline against the  dollar, the loss in currency  value
should  be offset, in whole or in part, by  an increase in the value of the put.
If the value of the currency instead should rise against the dollar, any gain to
the Fund would  be reduced  by the premium  it had  paid for the  put option.  A
currency  call option might be purchased, for example, in anticipation of, or to
protect against, a rise in the value  against the dollar of a currency in  which
the Fund anticipates purchasing securities.
 
                   Statement of Additional Information Page 7
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
Options  may  be either  listed  on an  exchange  or traded  in over-the-counter
("OTC") markets. Listed options are third-party contracts (I.E., performance  of
the  obligations of the  purchaser and seller  is guaranteed by  the exchange or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates. The Fund will not  purchase an OTC option  unless it believes that  daily
valuations  for such  options are  readily obtainable.  OTC options  differ from
exchange-traded options in that OTC options are transacted with dealers directly
and  not  through  a   clearing  corporation  (which  guarantees   performance).
Consequently,  there  is  a risk  of  non-performance  by the  dealer.  Since no
exchange is involved, OTC options are valued  on the basis of an average of  the
last  bid prices obtained from dealers, unless  a quotation from only one dealer
is available, in which case only that  dealer's price will be used. In the  case
of  OTC options, there can  be no assurance that  a liquid secondary market will
exist for any particular option at any specific time.
 
The staff of the Securities and Exchange Commission ("SEC") considers  purchased
OTC  options to be illiquid securities. The  Fund may also sell OTC options and,
in connection therewith, segregate assets or cover its obligations with  respect
to  OTC options written  by the Fund. The  assets used as  cover for OTC options
written by the Fund will be considered illiquid unless the OTC options are  sold
to  qualified dealers who agree  that the Fund may  repurchase any OTC option it
writes at a maximum price to be calculated by a formula set forth in the  option
agreement.  The cover for an OTC option  written subject to this procedure would
be considered illiquid  only to  the extent  that the  maximum repurchase  price
under the formula exceeds the intrinsic value of the option.
 
The  Fund's  ability to  establish and  close  out positions  in exchange-listed
options depends  on  the existence  of  a liquid  market.  The Fund  intends  to
purchase  or write only those exchange-traded options for which there appears to
be a liquid secondary  market. However, there  can be no  assurance that such  a
market  will exist at any particular time.  Closing transactions can be made for
OTC options  only  by  negotiating  directly  with the  contra  party  or  by  a
transaction in the secondary market if any such market exists. Although the Fund
will  enter into OTC  options only with  contra parties that  are expected to be
capable of  entering  into closing  transactions  with  the Fund,  there  is  no
assurance that the Fund will in fact be able to close out an OTC option position
at  a favorable  price prior to  expiration. In  the event of  insolvency of the
contra party, the Fund might  be unable to close out  an OTC option position  at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts  except that all settlements  are in cash and  gain or loss depends on
changes in the index in question (and thus on price movements in the  securities
market  or a particular market sector  generally) rather than on price movements
in individual securities or futures contracts. When the Fund writes a call on an
index, it receives a premium and agrees that, prior to the expiration date,  the
purchaser  of the call, upon exercise of the call, will receive from the Fund an
amount of cash if the closing level of the index upon which the call is based is
greater than the exercise price of the call. The amount of cash is equal to  the
difference  between the closing price of the index and the exercise price of the
call times a specified multiple  (the "multiplier"), which determines the  total
dollar  value for each point of such difference. When the Fund buys a call on an
index, it  pays a  premium  and has  the same  rights  as to  such call  as  are
indicated above. When the Fund buys a put on an index, it pays a premium and has
the  right, prior to the expiration date, to require the seller of the put, upon
the Fund's exercise of the put, to deliver to the Fund an amount of cash if  the
closing level of the index upon which the put is based is less than the exercise
price  of the  put, which  amount of  cash is  determined by  the multiplier, as
described above for calls. When the Fund writes a put on an index, it receives a
premium and  the purchaser  has the  right,  prior to  the expiration  date,  to
require  the Fund  to deliver to  it an amount  of cash equal  to the difference
between the  closing  level  of the  index  and  the exercise  price  times  the
multiplier, if the closing level is less than the exercise price.
 
The  risks  of  investment in  index  options  may be  greater  than  options on
securities. Because index options are settled in cash, when a Fund writes a call
on  an  index  it  cannot  provide  in  advance  for  its  potential  settlement
obligations  by acquiring  and holding the  underlying securities.  The Fund can
offset some of the  risk of writing  a call index option  position by holding  a
diversified  portfolio of  securities similar to  those on  which the underlying
index is based.  However, the Fund  cannot, as a  practical matter, acquire  and
hold  a portfolio containing  exactly the same securities  as underlie the index
and, as a result, bears a risk that  the value of the securities held will  vary
from the value of the index.
 
Even  if the Fund could assemble  a securities portfolio that exactly reproduced
the composition of  the underlying index,  it still would  not be fully  covered
from  a risk standpoint because  of the "timing risk"  inherent in writing index
options. When an index option is exercised,  the amount of cash that the  holder
is  entitled to  receive is  determined by  the difference  between the exercise
price and the closing index level on  the date when the option is exercised.  As
with  other kinds of options, the Fund as  the call writer will not know that it
has been assigned  until the next  business day  at the earliest.  The time  lag
between  exercise and  notice of assignment  poses no  risk for the  writer of a
covered call on a specific underlying
 
                   Statement of Additional Information Page 8
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
security, such as  common stock,  because there  the writer's  obligation is  to
deliver  the underlying security, not to pay its value as of a fixed time in the
past. So long as the writer already owns the underlying security, it can satisfy
its settlement obligations by simply delivering it, and the risk that its  value
may  have declined since the exercise date is borne by the exercising holder. In
contrast, even if  the writer  of an index  call holds  securities that  exactly
match  the composition of the  underlying index, it will  not be able to satisfy
its assignment obligations by delivering those securities against payment of the
exercise price. Instead, it will be required  to pay cash in an amount based  on
the  closing index value on the exercise date; and by the time it learns that it
has been assigned, the index may have declined, with a corresponding decline  in
the  value  of  its securities  portfolio.  This  "timing risk"  is  an inherent
limitation on the ability of index call writers to cover their risk exposure  by
holding securities positions.
 
If  the Fund purchases an index option and exercises it before the closing index
value for  that day  is  available, it  runs  the risk  that  the level  of  the
underlying  index may subsequently change. If such a change causes the exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between the closing index value and the exercise price of the option (times  the
applicable multiplier) to the assigned writer.
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
The  Fund may enter  into interest rate  or currency futures  contracts, and may
enter into stock  index futures contracts  (collectively, "Futures" or  "Futures
Contracts"),  as a hedge against changes in prevailing levels of interest rates,
currency exchange rates or  stock prices in order  to establish more  definitely
the effective return on securities or currencies held or intended to be acquired
by  the  Fund. The  Fund's hedging  may include  sales of  Futures as  an offset
against the effect  of expected  increases in  interest rates  and decreases  in
currency  exchange rates or stock prices, and  purchases of Futures as an offset
against the effect  of expected  declines in  interest rates,  and increases  in
currency exchange rates or stock prices.
 
The  Fund only  will enter  into Futures  Contracts that  are traded  on futures
exchanges and  are standardized  as to  maturity date  and underlying  financial
instrument.  Futures  exchanges and  trading thereon  in  the United  States are
regulated under  the Commodity  Exchange Act  by the  Commodity Futures  Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used  to reduce the Fund's exposure to interest rate, currency exchange rate and
stock market  fluctuations, the  Fund may  be able  to hedge  its exposure  more
effectively and at a lower cost through using Futures Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of a specified amount of a specific financial instrument (security
or currency) for a specified price at a designated date, time and place. A stock
index Futures Contract provides for the delivery, at a designated date, time and
place, of  an amount  of  cash equal  to a  specified  dollar amount  times  the
difference between the stock index value at the close of trading on the contract
and  the price at which  the Futures Contract is  originally struck; no physical
delivery of stocks  comprising the index  is made. Brokerage  fees are  incurred
when  a  Futures  Contract  is  bought or  sold,  and  margin  deposits  must be
maintained at all times the Futures Contract is outstanding.
 
Although Futures Contracts typically require future delivery of and payment  for
financial  instruments or currencies,  Futures Contracts usually  are closed out
before the delivery date. Closing out an open Futures Contract sale or  purchase
is  effected by entering  into an offsetting Futures  Contract purchase or sale,
respectively,  for  the  same  aggregate  amount  of  the  identical   financial
instrument  or currency and  the same delivery date.  If the offsetting purchase
price is less than the original sale price,  the Fund realizes a gain; if it  is
more, the Fund realizes a loss. Conversely, if the offsetting sale price is more
than  the original purchase price, the Fund realizes  a gain; if it is less, the
Fund realizes  a loss.  The transaction  costs also  must be  included in  these
calculations.  There can be no assurance, however, that the Fund will be able to
enter into  an  offsetting transaction  with  respect to  a  particular  Futures
Contract  at  a particular  time.  If the  Fund  is not  able  to enter  into an
offsetting transaction, the Fund  will continue to be  required to maintain  the
margin deposits on the Futures Contract.
 
As  an example of an offsetting transaction, the contractual obligations arising
from the sale of one Futures Contract of September Deutschemarks on an  exchange
may  be fulfilled  at any  time before  delivery under  the Futures  Contract is
required (I.E., on a specified date  in September, the "delivery month") by  the
purchase  of another  Futures Contract  of September  Deutschemarks on  the same
exchange. In such instance the difference between the price at which the Futures
Contract was  sold  and  the  price paid  for  the  offsetting  purchase,  after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The  Fund's Futures transactions will be entered into for hedging purposes only;
that is, Futures  Contracts will be  sold to  protect against a  decline in  the
price  of securities or currencies that the Fund owns, or Futures Contracts will
be purchased
 
                   Statement of Additional Information Page 9
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
to protect the Fund against an increase in the price of securities or currencies
it has committed to purchase or expects to purchase.
 
"Margin" with respect to Futures Contracts is  the amount of funds that must  be
deposited  by the Fund in order to  initiate Futures trading and to maintain the
Fund's open  positions in  Futures Contracts.  A margin  deposit made  when  the
Futures  Contract is entered  into ("initial margin") is  intended to assure the
Fund's performance  under  the  Futures  Contract. The  margin  required  for  a
particular Futures Contract is set by the exchange on which the Futures Contract
is  traded, and may be modified significantly  from time to time by the exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through  which the Fund  entered into  the Futures Contract
will be made on a daily basis as the price of the underlying security,  currency
or index fluctuates making the Futures Contract more or less valuable, a process
known as marking-to-market.
 
    RISKS  OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts are
volatile and  are influenced,  among  other things,  by actual  and  anticipated
changes  in  interest rates  and currency  exchange rates,  and in  stock market
movements, which  in turn  are  affected by  fiscal  and monetary  policies  and
national and international political and economic events.
 
There  is a risk of  imperfect correlation between changes  in prices of Futures
Contracts and prices  of the securities  or currencies in  the Fund's  portfolio
being   hedged.  The  degree   of  imperfection  of   correlation  depends  upon
circumstances such as: variations in  speculative market demand for Futures  and
for securities or currencies, including technical influences in Futures trading;
and   differences  between  the  financial  instruments  being  hedged  and  the
instruments underlying the standard Futures  Contracts available for trading.  A
decision  of whether, when,  and how to  hedge involves skill  and judgment, and
even a  well-conceived hedge  may  be unsuccessful  to  some degree  because  of
unexpected market behavior or interest or currency rate trends.
 
Because  of  the  low  margin deposits  required,  Futures  trading  involves an
extremely high  degree  of leverage.  As  a  result, a  relatively  small  price
movement  in a Futures Contract may result in immediate and substantial loss, as
well as gain, to the investor. For example,  if at the time of purchase, 10%  of
the  value of  the Futures  Contract is  deposited as  margin, a  subsequent 10%
decrease in the value of  the Futures Contract would result  in a total loss  of
the  margin  deposit, before  any deduction  for the  transaction costs,  if the
account were then closed  out. A 15%  decrease would result in  a loss equal  to
150%  of the original margin  deposit, if the Futures  Contract were closed out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily limit establishes the maximum amount that the price of a Futures  Contract
or option may vary either up or down from the previous day's settlement price at
the  end  of a  trading session.  Once the  daily  limit has  been reached  in a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a particular trading day and therefore does not limit potential losses,  because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and  option  prices  occasionally have  moved  to  the daily  limit  for several
consecutive trading days with  little or no  trading, thereby preventing  prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to  the absence of a liquid secondary  market or the imposition of price limits,
it could incur  substantial losses.  The Fund would  continue to  be subject  to
market  risk with respect  to the position.  In addition, except  in the case of
purchased options,  the  Fund  would  continue to  be  required  to  make  daily
variation  margin payments and might be  required to maintain the position being
hedged by the Future or option or to maintain cash or securities in a segregated
account.
 
Certain characteristics  of the  Futures  market might  increase the  risk  that
movements  in the prices  of Futures Contracts  or options on  Futures might not
correlate perfectly  with  movements in  the  prices of  the  investments  being
hedged.  For example,  all participants  in the  Futures and  options on Futures
markets are subject to  daily variation margin calls  and might be compelled  to
liquidate  Futures  or  options on  Futures  positions whose  prices  are moving
unfavorably to avoid being  subject to further  calls. These liquidations  could
increase  price  volatility  of the  instruments  and distort  the  normal price
relationship between the Futures  or options and  the investments being  hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous  than  margin requirements  in the  securities  markets, there  might be
increased  participation   by  speculators   in   the  Futures   markets.   This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage, "program trading"  and other  investment strategies  might result  in
temporary price distortions.
 
                  Statement of Additional Information Page 10
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
OPTIONS ON FUTURES CONTRACTS
Options  on Futures Contracts are similar to options on securities or currencies
except that options on Futures Contracts give the purchaser the right, in return
for the  premium paid,  to  assume a  position in  a  Futures Contract  (a  long
position if the option is a call and a short position if the option is a put) at
a  specified exercise price  at any time  during the period  of the option. Upon
exercise of the option, the  delivery of the Futures  position by the writer  of
the  option to the holder  of the option will be  accompanied by delivery of the
accumulated balance in the writer's Futures margin account, which represents the
amount by which the market price  of the Futures Contract, at exercise,  exceeds
(in  the case of  a call) or  is less than (in  the case of  a put) the exercise
price of the option on  the Futures Contract. If an  option is exercised on  the
last trading day prior to the expiration date of the option, the settlement will
be  made entirely in cash equal to  the difference between the exercise price of
the option and  the closing level  of the securities,  currencies or index  upon
which  the  Futures Contract  is  based on  the  expiration date.  Purchasers of
options who fail to exercise their options  prior to the exercise date suffer  a
loss of the premium paid.
 
The  purchase of  call options  on Futures can  serve as  a long  hedge, and the
purchase of put  options on Futures  can serve  as a short  hedge. Writing  call
options  on Futures can serve as a  limited short hedge, and writing put options
on Futures can serve as a limited  long hedge, using a strategy similar to  that
used for writing options on securities, foreign currencies or indices.
 
If  the Fund  writes an  option on a  Futures Contract,  it will  be required to
deposit initial and variation margin  pursuant to requirements similar to  those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The  Fund may seek to close out an option position by selling an option covering
the same Futures  Contract and  having the  same exercise  price and  expiration
date.  The  ability to  establish and  close  out positions  on such  options is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS  ON
CURRENCIES
   
To  the extent that the  Fund enters into Futures  Contracts, options on Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange,  in each case other than for BONA FIDE hedging purposes (as defined by
the CFTC), the aggregate initial margin and premiums required to establish those
positions (excluding the amount  by which options  are "in-the-money") will  not
exceed  5% of the liquidation  value of the Fund's  portfolio, after taking into
account unrealized profits and unrealized losses  on any contracts the Fund  has
entered   into.  In   general,  a   call  option   on  a   Futures  Contract  is
"in-the-money"if the  value  of  the underlying  Futures  Contract  exceeds  the
strike, I.E., exercise, price of the call; a put option on a Futures Contract is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund either may
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular   foreign  currency  forward,  for   example,  when  it  holds  bonds
denominated in a  foreign currency but  anticipates, and seeks  to be  protected
against,  a decline in the currency against the U.S. dollar. Similarly, the Fund
might sell  the U.S.  dollar forward  when it  holds bonds  denominated in  U.S.
dollars  but anticipates, and  seeks to be  protected against, a  decline in the
U.S. dollar relative  to other currencies.  Further, the Fund  might purchase  a
currency  forward  to "lock  in"  the price  of  securities denominated  in that
currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract  generally has no deposit requirement and no commissions are charged at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S. or foreign banks and securities or currency dealers in accordance with  the
guidelines approved by the Company's Board of Trustees.
    
 
The  Fund  may enter  into  Forward Contracts  either  with respect  to specific
transactions or  with respect  to the  Fund's portfolio  positions. The  precise
matching  of the Forward  Contract amounts and the  value of specific securities
generally will not be  possible because the future  value of such securities  in
foreign currencies will change as a consequence of market movements in the value
of  those securities between the  date the Forward Contract  is entered into and
the date it matures.
 
                  Statement of Additional Information Page 11
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
Accordingly, it may  be necessary for  the Fund to  purchase additional  foreign
currency on the spot (I.E., cash) market (and bear the expense of such purchase)
if  the market value of the security is less than the amount of foreign currency
the Fund is obligated to deliver and if a decision is made to sell the  security
and  make delivery of the  foreign currency. Conversely, it  may be necessary to
sell on the spot market  some of the foreign currency  the Fund is obligated  to
deliver.  The projection  of short-term  currency market  movements is extremely
difficult, and  the successful  execution of  a short-term  hedging strategy  is
highly  uncertain. Forward Contracts involve  the risk that anticipated currency
movements will not be predicted accurately,  causing the Fund to sustain  losses
on these contracts and transaction costs.
 
At  or before the  maturity of a Forward  Contract requiring the  Fund to sell a
currency, the  Fund  either may  sell  a portfolio  security  and use  the  sale
proceeds  to make delivery of the currency or retain the security and offset its
contractual obligation to deliver the  currency by purchasing a second  contract
pursuant  to which  the Fund will  obtain, on  the same maturity  date, the same
amount of the currency that it is obligated to deliver. Similarly, the Fund  may
close  out a Forward Contract  requiring it to purchase  a specified currency by
entering into a  second contract, if  its contra party  agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund would  realize a gain  or loss as a  result of entering  into
such  an offsetting Forward Contract under either circumstance to the extent the
exchange rate  or  rates  between  the currencies  involved  moved  between  the
execution dates of the first contract and the offsetting contract.
 
The  cost to the Fund of engaging  in Forward Contracts varies with factors such
as the currencies  involved, the length  of the contract  period and the  market
conditions  then prevailing. Because Forward  Contracts usually are entered into
on a principal basis, no  fees or commissions are  involved. The use of  Forward
Contracts  does  not  eliminate fluctuations  in  the prices  of  the underlying
securities the Fund owns or intends to acquire, but it does establish a rate  of
exchange in advance. In addition, while Forward Contract sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The  Fund may use options on  foreign currencies, Futures on foreign currencies,
options on Futures on foreign currencies and Forward Contracts to hedge  against
movements in the values of the foreign currencies in which the Fund's securities
are  denominated. Such currency hedges can  protect against price movements in a
security that  the Fund  owns or  intends to  acquire that  are attributable  to
changes  in the value of the currency in which it is denominated. Such hedges do
not, however,  protect  against  price  movements in  the  securities  that  are
attributable to other causes.
 
   
The  Fund  might seek  to hedge  against changes  in the  value of  a particular
currency when no  Futures Contract,  Forward Contract or  option involving  that
currency  is available or one  of such contracts is  more expensive than certain
other contracts. In such  cases, the Fund may  hedge against price movements  in
that  currency by  entering into  a contract  on another  currency or  basket of
currencies, the values of  which the Sub-adviser believes  will have a  positive
correlation  to the value of the currency  being hedged. The risk that movements
in the price of the contract will not correlate perfectly with movements in  the
price of the currency being hedged is magnified when this strategy is used.
    
 
The value of Futures Contracts, options on Futures Contracts, Forward Contracts,
and  options  on  foreign currencies  depends  on  the value  of  the underlying
currency relative  to the  U.S. dollar.  Because foreign  currency  transactions
occurring  in the  interbank market  might involve  substantially larger amounts
than those  involved in  the  use of  Futures  Contracts, Forward  Contracts  or
options,  the  Fund could  be disadvantaged  by  dealing in  the odd  lot market
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying  foreign currencies at prices that  are less favorable than for round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or any  regulatory requirements  that quotations  available through  dealers  or
other market sources be firm or revised on a timely basis. Quotation information
generally  is representative of very large  transactions in the interbank market
and thus  might not  reflect  odd-lot transactions  where  rates might  be  less
favorable.   The   interbank  market   in  foreign   currencies  is   a  global,
round-the-clock market. To the  extent the U.S. options  or Futures markets  are
closed  while the markets for the underlying currencies remain open, significant
price and rate movements might take place in the underlying markets that  cannot
be  reflected in  the markets  for the Futures  contracts or  options until they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies might  be required  to  take place  within  the country  issuing  the
underlying currency. Thus, the Fund might be required to accept or make delivery
of  the  underlying foreign  currency  in accordance  with  any U.S.  or foreign
regulations regarding the  maintenance of foreign  banking arrangements by  U.S.
residents  and might be required  to pay any fees,  taxes and charges associated
with such delivery assessed in the issuing country.
 
                  Statement of Additional Information Page 12
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased by  the Fund)  expose the  Fund to  an obligation  to another
party. The Fund will not enter into any such transactions unless it owns  either
(1)  an  offsetting ("covered")  position  in securities,  currencies,  or other
options, Forward Contracts or  Futures Contracts, or  (2) cash, receivables  and
short-term  debt securities with  a value sufficient  at all times  to cover its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of the Fund's assets are used for cover or otherwise set aside, it could  affect
portfolio  management or the Fund's ability to meet redemption requests or other
current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The Fund  may  invest up  to  10% of  its  net assets  in  illiquid  securities.
Securities  may  be considered  illiquid if  the  Fund cannot  reasonably expect
within seven days to sell the  securities for approximately the amount at  which
the Fund values such securities. The sale of illiquid securities, if they can be
sold  at all, generally  will require more  time and result  in higher brokerage
charges or dealer discounts and other  selling expenses than the sale of  liquid
securities, such as securities eligible for trading on U.S. securities exchanges
or in the over-the-counter markets. Moreover, restricted securities which may be
illiquid  for purposes  of this limitation,  often sell,  if at all,  at a price
lower than similar securities that are not subject to restrictions on resale.
 
Illiquid securities include those that are subject to restrictions contained  in
the  securities laws  of other  countries. However,  securities that  are freely
marketable in the country  where they are principally  traded, but would not  be
freely  marketable in the United States,  will not be considered illiquid. Where
registration is required, the Fund  may be obligated to pay  all or part of  the
registration  expenses and a considerable period  may elapse between the time of
the decision to sell and the time the  Fund may be permitted to sell a  security
under  an effective  registration statement. If,  during such  a period, adverse
market conditions were to develop, the Fund might obtain a less favorable  price
than prevailed when it decided to sell.
 
Not   all  restricted  securities   are  illiquid.  In   recent  years  a  large
institutional  market  has  developed  for  certain  securities  that  are   not
registered  under the Securities Act of 1933, as amended ("1933 Act"), including
private placements, repurchase agreements, commercial paper, foreign  securities
and corporate bonds and notes. These instruments are often restricted securities
because  the  securities are  sold in  transactions not  requiring registration.
Institutional investors generally will not seek to sell these instruments to the
general  public,  but  instead  will   often  depend  either  on  an   efficient
institutional market in which such unregistered securities can be readily resold
or  on an issuer's ability to honor  a demand for repayment. Therefore, the fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule 144A under the 1933 Act  establishes a "safe harbor" from the  registration
requirements  of the  1933 Act  for resales  of certain  securities to qualified
institutional buyers.  Institutional  markets  for  restricted  securities  have
developed  as a result of Rule 144A, providing both readily ascertainable values
for restricted securities and the ability to liquidate an investment to  satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance  and  settlement of  unregistered securities  of domestic  and foreign
issuers, such as  the PORTAL  System sponsored  by the  National Association  of
Securities  Dealers,  Inc.  An insufficient  number  of  qualified institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
a Fund,  however, could  affect adversely  the marketability  of such  portfolio
securities  and the Fund might be unable  to dispose of such securities promptly
or at favorable prices.
 
   
With respect  to  liquidity determinations  generally,  the Company's  Board  of
Trustees  has  the  ultimate  responsibility  for  determining  whether specific
securities, including restricted securities pursuant to Rule 144A under the 1933
Act, are liquid  or illiquid.  The Board has  delegated the  function of  making
day-to-day determinations of liquidity to the Sub-
    
 
                  Statement of Additional Information Page 13
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
adviser  in  accordance  with  procedures approved  by  the  Company's  Board of
Trustees. The Sub-adviser  takes into account  a number of  factors in  reaching
liquidity decisions, including, but not limited to: (i) the frequency of trading
in  the security; (ii) the  number of dealers who  make quotes for the security;
(iii) the  number  of dealers  who  have undertaken  to  make a  market  in  the
security;  (iv) the number of other potential  purchasers; and (v) the nature of
the security and  how trading is  effected (e.g.,  the time needed  to sell  the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser monitors the  liquidity of  securities in the  Fund's portfolio  and
periodically  reports  on  such  decisions  to the  Board  of  Trustees.  If the
liquidity percentage  restriction  of the  Fund  is  satisfied at  the  time  of
investment,  a later increase  in the percentage of  illiquid securities held by
the Fund resulting from a change in market value or assets will not constitute a
violation of that restriction.  If as a  result of a change  in market value  or
assets,  the percentage of illiquid securities  held by the Fund increases above
the applicable limit, the Sub-adviser will  take appropriate steps to bring  the
aggregate  amount of illiquid  assets back within  the prescribed limitations as
soon  as  reasonably  practicable,  taking  into  account  the  effect  of   any
disposition on the Fund.
    
 
FOREIGN SECURITIES
    POLITICAL,  SOCIAL AND ECONOMIC  RISKS. Investing in  securities of non-U.S.
companies may entail additional risks due to the potential political, social and
economic instability  of  certain  countries and  the  risks  of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility of currencies into  U.S. dollars and on  repatriation
of  capital invested.  In the  event of  such expropriation,  nationalization or
other confiscation by any country, the Fund could lose its entire investment  in
any such country.
 
    RELIGIOUS  AND ETHNIC INSTABILITY.  Certain countries in  which the Fund may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of  property owned by individuals and entities foreign to such country and could
cause the loss of the Fund's investment in those countries. Instability may also
result from,  among  other things:  (i)  authoritarian governments  or  military
involvement  in  political and  economic  decision-making, including  changes in
government through extra-constitutional  means; (ii)  popular unrest  associated
with  demands for improved political, economic  and social conditions; and (iii)
hostile relations with  neighboring or other  countries. Such political,  social
and  economic instability could disrupt the principal financial markets in which
the Fund invests and adversely affect the value of the Fund's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial  restrictions on investments in  their capital markets, particularly
their equity markets, by foreign entities  such as the Fund. These  restrictions
or  controls may at times limit or preclude investment in certain securities and
may increase the cost and expenses  of the Fund. For example, certain  countries
require prior governmental approval before investments by foreign persons may be
made,  or may limit the amount of  investment by foreign persons in a particular
company, or limit the investment by foreign persons to only a specific class  of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of  certain  countries  may  restrict  investment  opportunities  in  issuers or
industries deemed sensitive to national  interests. In addition, some  countries
require governmental approval for the repatriation of investment income, capital
or  the proceeds of securities sales by foreign investors. In addition, if there
is a deterioration in a  country's balance of payments  or for other reasons,  a
country  may impose restrictions on foreign capital remittances abroad. The Fund
could be adversely affected by  delays in, or a  refusal to grant, any  required
governmental  approval for repatriation, as well as  by the application to it of
other restrictions on investments.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION. Foreign companies are subject to accounting, auditing and  financial
standards  and requirements that  differ in some  cases significantly from those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing on the  financial statements  of such a  company may  not reflect  its
financial  position or results of operations in  the way they would be reflected
had such financial statements  been prepared in  accordance with U.S.  generally
accepted  accounting principles. Most of the foreign securities held by the Fund
will not be registered with  the SEC or regulators  of any foreign country,  nor
will  the issuers thereof be subject  to the SEC's reporting requirements. Thus,
there will  be less  available information  concerning most  foreign issuers  of
securities  held  by the  Fund  than is  available  concerning U.S.  issuers. In
instances where the financial statements of an issuer are not deemed to  reflect
accurately  the financial  situation of  the issuer,  the Sub-adviser  will take
appropriate steps to evaluate the proposed investment, which may include on-site
inspection of the issuer, interviews with its management and consultations  with
accountants, bankers and other specialists. There is substantially less publicly
available information about foreign companies than there are reports and ratings
published  about  U.S. companies  and the  U.S.  Government. In  addition, where
public information is available, it may  be less reliable than such  information
regarding  U.S.  issuers. Issuers  of  securities on  foreign  jurisdictions are
generally not  subject to  the same  degree of  regulation as  are U.S.  issuers
    
 
                  Statement of Additional Information Page 14
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
with  respect to  such matters as  restrictions on  market manipulation, insider
trading  rules,  shareholder  proxy   requirements  and  timely  disclosure   of
information.
 
    CURRENCY  FLUCTUATIONS. Because  the Fund, under  normal circumstances, will
invest a substantial portion  of its total assets  in the securities of  foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the  U.S. dollar against  such foreign currencies  will account for  part of the
Fund's investment performance. A decline in the value of any particular currency
against the U.S. dollar  will cause a  decline in the U.S.  dollar value of  the
Fund's  holdings  of  securities  and cash  denominated  in  such  currency and,
therefore, will cause an overall decline in  the Fund's net asset value and  any
net  investment  income and  capital gains  derived from  such securities  to be
distributed in U.S. dollars to shareholders of the Fund. Moreover, if the  value
of  the foreign currencies in which the  Fund receives its income falls relative
to the  U.S.  dollar between  receipt  of the  income  and the  making  of  Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions  if  the  Fund  has  insufficient cash  in  U.S.  dollars  to meet
distribution requirements.
 
The rate of exchange between the U.S. dollar and other currencies is  determined
by  several factors including  the supply and  demand for particular currencies,
central bank efforts to support particular currencies, the movement of  interest
rates,  the pace of business  activity in certain other  countries and the U.S.,
and other economic and financial conditions affecting the world economy.
 
Although the Fund values  its assets daily  in terms of  U.S. dollars, the  Fund
does  not intend to convert its holdings of foreign currencies into U.S. dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware of the costs of currency conversion. Although foreign exchange dealers  do
not  charge  a  fee  for conversion,  they  do  realize a  profit  based  on the
difference ("spread") between the  prices at which they  are buying and  selling
various  currencies. Thus, a dealer may offer  to sell a foreign currency to the
Fund at one  rate, while  offering a  lesser rate  of exchange  should the  Fund
desire to sell that currency to the dealer.
 
   
    ADVERSE  MARKET CHARACTERISTICS. Securities  of many foreign  issuers may be
less liquid and their  prices more volatile than  securities of comparable  U.S.
issuers.  In  addition, foreign  securities  markets and  brokers  generally are
subject to less governmental  supervision and regulation than  in the U.S.,  and
foreign  securities transactions usually are subject to fixed commissions, which
generally are  higher  than  negotiated commissions  on  U.S.  transactions.  In
addition,  foreign  securities  transactions  may  be  subject  to  difficulties
associated with the settlement of such transactions. Delays in settlement  could
result in temporary periods when assets of the Fund are uninvested and no return
is earned thereon. The inability of the Fund to make intended security purchases
due   to  settlement   problems  could  cause   the  Fund   to  miss  attractive
opportunities. Inability to dispose  of a portfolio  security due to  settlement
problems either could result in losses to the Fund due to subsequent declines in
value  of the portfolio security or, if the  Fund has entered into a contract to
sell the security,  could result  in possible  liability to  the purchaser.  The
Sub-adviser  will consider such difficulties  when determining the allocation of
the  Fund's  assets,  although  the  Sub-adviser  does  not  believe  that  such
difficulties will have a material adverse effect on the Fund's portfolio trading
activities.
    
 
The  Fund may  use foreign  custodians, which may  involve risks  in addition to
those related to the  use of U.S. custodians.  Such risks include  uncertainties
relating  to: (i) determining and  monitoring the financial strength, reputation
and standing of the foreign  custodian; (ii) maintaining appropriate  safeguards
to  protect the Fund's investments and  (iii) possible difficulties in obtaining
and enforcing judgments against such custodians.
 
    WITHHOLDING TAXES. The Fund's net investment income from foreign issuers may
be subject  to  withholding  taxes  by the  foreign  issuer's  country,  thereby
reducing  the Fund's  net investment  income or  delaying the  receipt of income
where those taxes may be recaptured. See "Taxes."
 
    CONCENTRATION. To the extent the Fund  invests a significant portion of  its
assets in securities of issuers located in a particular country or region of the
world,  it may be subject to greater risks and may experience greater volatility
than a fund that is more broadly diversified geographically.
 
   
    SPECIAL CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The  countries
that  are members of the European Economic Community ("Common Market") (Belgium,
Denmark, France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg,  Netherlands,
Portugal,  Spain, and the United Kingdom)  eliminated certain import tariffs and
quotas and  other trade  barriers with  respect  to one  another over  the  past
several  years. The Sub-adviser  believes that this  deregulation should improve
the prospects  for economic  growth in  many Western  European countries.  Among
other  things, the deregulation could enable  companies domiciled in one country
to avail  themselves  of lower  labor  costs  existing in  other  countries.  In
addition,  this deregulation could benefit companies domiciled in one country by
opening additional  markets for  their goods  and services  in other  countries.
Since,  however, it is not  clear what the exact form  or effect of these Common
Market reforms
    
 
                  Statement of Additional Information Page 15
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
will be on business in Western Europe, it is impossible to predict the long-term
impact of the implementation  of these programs on  the securities owned by  the
Fund.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN COUNTRIES.
Investing in Russia  and Eastern European  countries involves a  high degree  of
risk  and special considerations not typically  associated with investing in the
United States securities markets, and  should be considered highly  speculative.
Such  risks include: (1)  delays in settling portfolio  transactions and risk of
loss arising out of the system of  share registration and custody; (2) the  risk
that  it may be impossible  or more difficult than  in other countries to obtain
and/or enforce a  judgement; (3) pervasiveness  of corruption and  crime in  the
economic system; (4) currency exchange rate volatility and the lack of available
currency  hedging instruments; (5) higher rates of inflation (including the risk
of  social  unrest  associated  with   periods  of  hyper-inflation)  and   high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign  investors and limitations on  repatriation of invested capital, profits
and dividends, and  on a fund's  ability to exchange  local currencies for  U.S.
dollars;  (7) political instability and social unrest and violence; (8) the risk
that the governments of Russia and Eastern European countries may decide not  to
continue  to support the economic reform programs implemented recently and could
follow radically different political and/or  economic policies to the  detriment
of  investors,  including non-market-oriented  policies such  as the  support of
certain industries at the expense of other sectors or investors, or a return  to
the  centrally planned economy that existed  when such countries had a communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of international trade;  (11) the risk  that the tax  system in these  countries
will  not  be reformed  to prevent  inconsistent, retroactive  and/or exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly since 1990. The general government position has deteriorated as  a
result  of weakening economic  growth and stimulative  measures taken to support
economic activity and to  restore financial stability.  Although the decline  in
interest   rates  and  fiscal  stimulation   packages  have  helped  to  contain
recessionary forces, uncertainties remain. Japan is also heavily dependent  upon
international  trade, so its  economy is especially  sensitive to trade barriers
and disputes.  Japan has  had  difficult relations  with its  trading  partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible  that  trade sanctions  and other  protectionist measures  could impact
Japan adversely in both the short and the long term.
 
The common  stocks  of many  Japanese  companies trade  at  high  price-earnings
ratios.  Differences  in accounting  methods make  it  difficult to  compare the
earnings of  Japanese companies  with  those of  companies in  other  countries,
especially  in the  U.S. In  general, however, reported  net income  in Japan is
understated relative to  U.S. accounting standards  and this is  one reason  why
price-earnings   ratios  of  the  stocks   of  Japanese  companies  have  tended
historically to be  higher than  those for  U.S. stocks.  In addition,  Japanese
companies  have  tended to  have  higher growth  rates  than U.S.  companies and
Japanese interest rates  have generally  been lower than  in the  U.S., both  of
which  factors tend to result in  lower discount rates and higher price-earnings
ratios in Japan than in the U.S.
 
The Japanese securities  markets are  less regulated  than those  in the  United
States. Evidence has emerged from time to time of distortion of market prices to
serve  political or other purposes. Shareholders'  rights are not always equally
enforced. In addition, Japan's banking  industry is undergoing problems  related
to bad loans and declining values in real estate.
 
    SPECIAL  CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of the
risks associated with international  investments are heightened for  investments
in  Pacific region  countries. For  example, some  of the  currencies of Pacific
region countries  have  experienced steady  devaluations  relative to  the  U.S.
dollar,  and major  adjustments have been  made periodically in  certain of such
currencies. Certain countries, such as India, face serious exchange constraints.
Jurisdictional disputes  also exist  between  South Korea  and North  Korea.  In
addition,  the  Fund  may  invest  in  Hong  Kong,  which  reverted  to  Chinese
Administration on  July 1,  1997. Investments  in Hong  Kong may  be subject  to
expropriation, national, nationalization or confiscation, in which case the Fund
could  lose its entire  investment in Hong  Kong. In addition,  the reversion of
Hong Kong also presents a risk that the Hong Kong dollar will be devalued and  a
risk  of possible  loss of  investor confidence  in Hong  Kong's currency, stock
market and assets.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American  countries have experienced substantial,  and in some periods extremely
high, rates of  inflation for many  years. Inflation and  rapid fluctuations  in
inflation  rates have had and may continue  to have very negative effects on the
economies and securities  markets of certain  Latin American countries.  Certain
Latin  American countries are also among the largest debtors to commercial banks
and foreign governments. At times certain Latin American countries have declared
moratoria on the payment of principal
 
                  Statement of Additional Information Page 16
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
and/or interest on external debt. In addition, certain Latin American securities
markets have experienced high volatility in recent years.
 
Latin American countries may  also close certain sectors  of their economies  to
equity  investments  by foreigners.  Further due  to  the absence  of securities
markets and  publicly  owned corporations  and  due to  restrictions  on  direct
investment  by foreign entities,  investments may only be  made in certain Latin
American  countries  solely   or  primarily   through  governmentally   approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at  artificial levels to the U.S. dollar rather than at levels determined by the
market. This type  of system can  lead to  sudden and large  adjustments in  the
currency  which, in turn, can  have a disruptive and  negative effect on foreign
investors. For example, in late  1994, the value of  the Mexican peso lost  more
than one-third of its value relative to the U.S. dollar.
 
    SPECIAL   CONSIDERATIONS  AFFECTING  EMERGING   MARKETS.  Investing  in  the
securities of companies in emerging markets may entail special risks relating to
potential political and  economic instability  and the  risks of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility  into U.S.  dollars and  on repatriation  of  capital
invested.   In  the  event  of  such  expropriation,  nationalization  or  other
confiscation by any country,  the Fund could lose  its entire investment in  any
such country.
 
Emerging  securities  markets are  substantially  smaller, less  developed, less
liquid and more volatile than the major securities markets. The limited size  of
emerging securities markets and limited trading value in issuers compared to the
volume  of  trading in  U.S. securities  could  cause prices  to be  erratic for
reasons apart  from factors  that  affect the  quality  of the  securities.  For
example, limited market size may cause prices to be unduly influenced by traders
who  control  large  positions. Adverse  publicity  and  investors' perceptions,
whether or  not  based on  fundamental  analysis,  may decrease  the  value  and
liquidity  of portfolio  securities, especially  in these  markets. In addition,
securities traded in certain emerging markets may be subject to risks due to the
inexperience of financial intermediaries, a lack of modern technology, the  lack
of  a sufficient capital base to expand business operations, and the possibility
of permanent or temporary termination of trading.
 
Settlement mechanisms in emerging securities  markets may be less efficient  and
reliable  than in more developed markets.  In such emerging securities there may
be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and  may  continue to  have  negative effects  on  the economies  and securities
markets of certain emerging market countries.
 
- --------------------------------------------------------------------------------
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
The Fund  has  adopted  the  following  investment  limitations  as  fundamental
policies  which (unless otherwise noted) may  not be changed without approval by
the holders of  the lesser  of (i)  67% of the  Fund's shares  represented at  a
meeting  at which more than  50% of the outstanding  shares are represented, and
(ii) more than 50% of the outstanding shares. The Fund may not:
 
   
        (1) Purchase any security if, as a result of that purchase, 25% or  more
    of the Fund's total assets would be invested in securities of issuers having
    their  principal business activities in the  same industry, except that this
    limitation does not  apply to securities  issued or guaranteed  by the  U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2)  Purchase or sell real estate, except that investments in securities
    of issuers  that invest  in real  estate and  investments in  mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Fund may exercise rights  under agreements relating to such  securities,
    including  the right to  enforce security interests and  to hold real estate
    acquired by  reason  of such  enforcement  until  that real  estate  can  be
    liquidated in an orderly manner;
    
 
                  Statement of Additional Information Page 17
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
        (3)  Engage in the business of underwriting securities of other issuers,
    except to the extent that the Fund might be considered an underwriter  under
    the  federal securities laws in connection with its disposition of portfolio
    securities;
    
 
   
        (4) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act and then not  in excess of 33 1/3%  of the Fund's total assets
    (including  the  amount  borrowed  but   reduced  by  any  liabilities   not
    constituting  borrowings) at the time of the borrowing, except that the Fund
    may borrow up to  an additional 5%  of its total  assets (not including  the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6)  Purchase or sell  physical commodities, but  the Fund may purchase,
    sell or  enter  into financial  operations  and futures,  forward  and  spot
    currency  contracts,  swap  transactions and  other  financial  contracts or
    derivative instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
    
 
For purposes  of the  Fund's concentration  policy contained  in limitation  (1)
above,  the Fund intends to  comply with the SEC  staff position that securities
issued or  guaranteed  as  to  principal and  interest  by  any  single  foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
 
   
The  following operating policies  of the Fund are  not fundamental policies and
may be changed by  vote of the Company's  Board of Trustees without  shareholder
approval. The Fund may not:
    
 
   
        (1)  Invest in securities of an issuer if the investment would cause the
    Fund to own more than 10% of any class of securities of any one issuer;
    
 
   
        (2)  Sell  securities  short,  except  to  the  extent  that  the   Fund
    contemporaneously  owns or  has the right  to acquire at  no additional cost
    securities identical to those sold short;
    
 
   
        (3) Enter into a futures contract,  an option on a futures contract,  or
    an  option on foreign currency traded  on a CFTC-regulated exchange, in each
    case other than for BONA FIDE hedging purposes (as defined by the CFTC),  if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5%  of  the liquidation  value of  the Fund's  portfolio, after  taking into
    account unrealized profits and unrealized  losses on any contracts the  Fund
    has entered into;
    
 
   
        (4)  Borrow  money except  for  temporary or  emergency  purposes. While
    borrowings exceed 5% of the Fund's total assets, the Fund will not make  any
    additional investments;
    
 
   
        (5)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments;
    
 
   
        (6) Purchase securities for which there is no readily available  market,
    or  enter into repurchase  agreements or purchase  time deposits maturing in
    more than seven days, or  purchase OTC options or  hold assets set aside  to
    cover OTC options written by the Fund, if immediately after and as a result,
    the  value of  such securities  would exceed, in  the aggregate,  15% of the
    Fund's net assets; or
    
 
   
        (7) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
Investors should refer to the Prospectus for further information with respect to
the  Fund's investment objective, which may  not be changed without the approval
of the shareholders, and other investment policies, techniques and  limitations,
which may be changed without shareholder approval.
 
                  Statement of Additional Information Page 18
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject  to  policies  established  by  the  Company's  Board  of  Trustees, the
Sub-adviser  is  responsible   for  the  execution   of  the  Fund's   portfolio
transactions  and the selection of  broker/dealers who execute such transactions
on behalf  of the  Fund. In  executing portfolio  transactions, the  Sub-adviser
seeks the best net results for the Fund, taking into account such factors as the
price  (including the applicable brokerage commission or dealer spread), size of
the order,  difficulty  of execution  and  operational facilities  of  the  firm
involved.  Although  the  Sub-adviser  generally  seeks  reasonably  competitive
commission rates and spreads, payment of the lowest commission or spread is  not
necessarily  consistent with the best net results.  While the Fund may engage in
soft dollar arrangements for research services, as described below, the Fund has
no obligation to deal with any  broker/dealer or group of broker/dealers in  the
execution of portfolio transactions.
    
 
Debt  securities generally are traded  on a "net" basis  with a dealer acting as
principal for its own account without a stated commission, although the price of
the security  usually  includes  a  profit  to  the  dealer.  U.S.  and  foreign
government  securities and money market instruments  generally are traded in the
OTC markets. In underwritten  offerings, securities usually  are purchased at  a
fixed  price which  includes an  amount of  compensation to  the underwriter. On
occasion, securities may be purchased directly from an issuer, in which case  no
commissions  or discounts  are paid.  Broker/dealers may  receive commissions on
futures, currency and options transactions.
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute the Fund's  portfolio transactions,  on the  basis of  the research  and
brokerage  services they provide to the Sub-adviser  for its use in managing the
Fund and  its other  advisory  accounts. Such  services may  include  furnishing
analyses,  reports and  information concerning  issuers, industries, securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance  of accounts;  and effecting securities  transactions and performing
functions incidental thereto  (such as clearance  and settlement). Research  and
brokerage  services received from  such brokers are  in addition to,  and not in
lieu of, the  services required  to be performed  by the  Sub-adviser under  the
investment  management and  administration contract.  A commission  paid to such
brokers may  be higher  than  that which  another  qualified broker  would  have
charged  for  effecting  the  same transaction,  provided  that  the Sub-adviser
determines in good faith that such  commission is reasonable in terms either  of
that  particular transaction or the overall responsibility of the Sub-adviser to
the Fund and its other clients and  that the total commissions paid by the  Fund
will  be reasonable in relation  to the benefit it  received over the long term.
Research  services  may  also  be   received  from  dealers  who  execute   Fund
transactions in OTC markets.
    
 
   
The  Sub-adviser may allocate brokerage  transactions to broker/dealers who have
entered into arrangements under which  the broker/dealer allocates a portion  of
the  commissions paid by the Fund toward payment of the Fund's expenses, such as
transfer agent and custodian fees.
    
 
   
Investment decisions for the Fund and  for other investment accounts managed  by
the  Sub-adviser  are made  independently of  each other  in light  of differing
conditions. However, the same investment  decision occasionally may be made  for
two  or more of  such accounts including  the Fund. In  such cases, simultaneous
transactions may occur.  Purchases or sales  are then allocated  as to price  or
amount  in a manner deemed fair and equitable to all accounts involved. While in
some cases this practice could have a detrimental effect upon the price or value
of the security as far as the Fund is concerned, in other cases, the Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Fund.
    
 
   
Under a policy adopted by  the Company's Board of  Trustees, and subject to  the
policy  of  obtaining  the best  net  results,  the Sub-adviser  may  consider a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser serves as investment  manager in selecting  brokers and dealers  for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The   Fund   contemplates   purchasing  most   foreign   equity   securities  in
over-the-counter markets or stock  exchanges located in  the countries in  which
the  respective principal offices  of the issuers of  the various securities are
located, if that  is the best  available market. The  fixed commissions paid  in
connection  with most such foreign stock  transactions generally are higher than
negotiated commissions on  United States transactions.  There generally is  less
government supervision and
 
                  Statement of Additional Information Page 19
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
regulation  of foreign  stock exchanges and  brokers than in  the United States.
Foreign security settlements  may in  some instances  be subject  to delays  and
related administrative uncertainties.
 
Foreign  equity securities may  be held by the  Fund in the  form of ADRs, ADSs,
EDRs, CDRs or securities convertible into foreign equity securities. ADRs, ADSs,
EDRs and CDRs may be listed on stock exchanges, or traded in the OTC markets  in
the  United States or  Europe, as the  case may be.  ADRs, like other securities
traded in the United States, will be subject to negotiated commission rates. The
foreign and domestic debt securities and  money market instruments in which  the
Fund may invest generally are traded in the OTC markets.
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results,  brokerage transactions may be conducted through certain companies that
are affiliated with AIM or the Sub-adviser. The Company's Board of Trustees  has
adopted  procedures in conformity with  Rule 17e-1 under the  1940 Act to ensure
that all brokerage commissions paid to  such affiliates are reasonable and  fair
in  the context of the market in which they are operating. Any such transactions
will  be  effected  and  related  compensation  paid  only  in  accordance  with
applicable SEC regulations.
    
 
   
For  the fiscal  years ended  October 31,  1997, 1996,  and 1995,  the Fund paid
aggregate  brokerage   commissions   of   $463,307,   $257,953   and   $318,958,
respectively.  For the fiscal  years ended October  31, 1996 and  1997, the Fund
paid to  LGT  Bank  in  Liechtenstein, AG,  an  "affiliated"  broker,  aggregate
brokerage  commissions of  $16,898 and  $12,262, respectively,  for transactions
involving purchases and  sales of portfolio  securities which represented  6.55%
and 2.65%, respectively, of the total brokerage commissions paid by the Fund and
5.69%  and 2.94%, respectively,  of the aggregate  dollar amount of transactions
involving payment of commissions by the Fund.
    
 
PORTFOLIO TRADING AND TURNOVER
   
The Fund engages in  portfolio trading when the  Sub-adviser has concluded  that
the sale of a security owned by the Fund and/or the purchase of another security
of  better value can enhance principal and/or increase income. A security may be
sold to avoid  any prospective decline  in market  value, or a  security may  be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment objective, a  security also  may be  sold and  a comparable  security
purchased  coincidentally in order to take advantage of what is believed to be a
disparity in the normal yield and price relationship between the two securities.
Although the Fund does not intend generally to trade for short-term profits, the
securities in the Fund's portfolio will be sold whenever management believes  it
is  appropriate to  do so,  without regard  to the  length of  time a particular
security may have been held. Portfolio  turnover rate is calculated by  dividing
the  lesser of sales or purchases of  portfolio securities by the Fund's average
month-end portfolio  values,  excluding short-term  investments.  The  portfolio
turnover rate will not be a limiting factor when the Sub-adviser deems portfolio
changes  appropriate. Higher portfolio turnover involves correspondingly greater
brokerage commissions  and  other transaction  costs  that the  Fund  will  bear
directly,  and  may result  in the  realization  of net  capital gains  that are
taxable when distributed to the Fund's shareholders. For the fiscal years  ended
October 31, 1997 and 1996, the Fund's portfolio turnover rates were 50% and 39%,
respectively.
    
 
                  Statement of Additional Information Page 20
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*    Mr.  Guilfoyle is an "interested  person" of the Company  as defined by the
    1940 Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 21
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
 
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and                1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Principal Accounting Officer      1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Sub-adviser
Vice President                    since October 1997; Executive Vice President of the Asset Management
50 California Street              Division of Liechtenstein Global Trust since October 1996; Senior Vice
San Francisco, CA 94111           President, General Counsel and Secretary of LGT Asset Management, Inc.,
                                  Chancellor LGT, GT Global, GT Services and G.T. Insurance from May 1994
                                  to October 1996; Senior Vice President, General Counsel and Secretary of
                                  Strong/Corneliuson Management, Inc. and Secretary of each of the Strong
                                  Funds from October 1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT]
    
 
                         ------------------------------
 
   
The Board of Trustees  has a Nominating and  Audit Committee, comprised of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds and recommending firms to serve  as independent auditors for the  Company.
Each  of the Trustees and Officers of the  Company is also a Trustee and Officer
of G.T. Investment Portfolios,  GT Global Floating Rate  Fund, GT Global  Series
Trust,  G.T. Global Growth Series, G.T.  Global Eastern Europe Fund, G.T. Global
Variable Investment Trust, G.T. Global  Variable Investment Series, Global  High
Income Portfolio, Floating Rate Portfolio and Global Investment Portfolio, which
are  also registered investment companies advised  by AIM and sub-advised by the
Sub-adviser. Each Trustee and Officer serves in total as a Trustee and  Officer,
respectively,  of 12 registered  investment companies with  47 series managed or
administered by AIM  and sub-advised  and sub-administered  by the  Sub-adviser.
Each  Trustee who is not  a director, officer or  employee of the Sub-adviser or
any affiliated company is paid aggregate fees of $5,000 per annum, plus $300 per
Fund for each  meeting of the  Board attended, and  reimbursed travel and  other
expenses incurred in connection with attendance at such meetings. Other Trustees
and  Officers receive no compensation or expense reimbursement from the Company.
For the  fiscal year  ended October  31,  1997, Mr.  Anderson, Mr.  Bayley,  Mr.
Patterson  and Miss Quigley, who are not directors, officers or employees of the
Sub-adviser or any affiliated company,  received total compensation of  $38,650,
$38,650, $27,850 and $38,650, respectively, from the Company for which he or she
serves  as a Trustee. For the fiscal  year ended October 31, 1997, Mr. Anderson,
Mr. Bayley,  Mr.  Patterson and  Miss  Quigley received  total  compensation  of
$117,304,  $114,386,  $88,350 and  $111,688,  respectively, from  the investment
companies managed or administered by AIM and sub-advised and sub-administered by
the Sub-adviser for  which he  or she  serves as  a Trustee.  Fees and  expenses
disbursed  to the Trustees contained no accrued or payable pension or retirement
benefits. As of January 8, 1998, the Officers and Trustees and their families as
a group owned in  the aggregate beneficially  or of record less  than 1% of  the
outstanding shares of the Fund or of all the Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and AIM. The Sub-adviser serves as the sub-adviser and sub-
administrator to the Fund under  a Sub-Advisory and Sub-Administration  Contract
between  AIM and the  Sub-adviser ("Sub-Management Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Fund  and  administer  the  Fund's  affairs. Among  other  things,  AIM  and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of  the Company  and  the Fund,  and  provide suitable  office space,
necessary small office equipment and utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's Board  of  Trustees, or  by  the vote  of  a majority  of  the  Fund's
outstanding  voting securities (as defined in the 1940 Act), and (ii) a majority
of Trustees  who are  not parties  to the  Management Contracts  or  "interested
persons"  of any such  party (as defined in  the 1940 Act), cast  in person at a
meeting called  for  the  specific  purpose of  voting  on  such  approval.  The
Management  Contracts provide that with respect to the Fund, the Company or each
of AIM or the Sub-adviser may terminate the Contracts without penalty upon sixty
days' written notice.  The Management Contracts  terminate automatically in  the
event of their assignment (as defined in the 1940 Act).
    
 
   
The   following  table  discloses  the   amount  of  investment  management  and
administration fees paid by the Fund  to the Sub-adviser during the Fund's  last
three fiscal years:
    
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                           AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................  $   6,900,695
1996.......................................................................................................      6,282,438
1995.......................................................................................................      6,301,399
</TABLE>
 
DISTRIBUTION SERVICES
   
The  Fund's Class  A and  Class B  shares are  offered continuously  through the
Fund's principal  underwriter  and distributor,  AIM  Distributors, on  a  "best
efforts"  basis pursuant to a Distribution  Contract between the Company and AIM
Distributors.
    
 
   
As described in the Prospectus, on         , 1998, the Company adopted a  Master
Distribution  Plan pursuant  to Rule  12b-1 under the  1940 Act  relating to the
Class A shares of the Fund (the "Class  A Plan"). At the same time, the  Company
also  adopted a Master Distribution  Plan pursuant to Rule  12b-1 under the 1940
Act relating to Class  B shares of  the Fund (the "Class  B Plan," and  together
with  the Class A Plan, the "Plans"). The rate of payments by the Fund under the
Plans, as described in the Prospectus, may not be increased without the approval
of the majority of the outstanding voting securities of the affected class.
    
 
   
BOTH PLANS. Pursuant to  an incentive program, AIM  Distributors may enter  into
agreements  ("Shareholder Service Agreements")  with investment dealers selected
from time  to  time  by  AIM Distributors  for  the  provision  of  distribution
assistance  in connection with  the sale of  the Fund's shares  to such dealers'
customers, and for the provision of continuing personal shareholder services  to
customers  who may from time to time  directly or beneficially own shares of the
Fund. The distribution assistance  and continuing personal shareholder  services
to  be rendered by dealers under the Shareholder Service Agreements may include,
but shall  not be  limited  to, the  following: distributing  sales  literature;
answering routine customer inquiries concerning the Fund; assisting customers in
changing  dividend options, account designations and addresses, and in enrolling
in any  of several  special  investment plans  offered  in connection  with  the
purchase of the Fund's shares; assisting in the establishment and maintenance of
customer  accounts and records and in  the processing of purchase and redemption
transactions;  investing   dividends  and   any  capital   gains   distributions
automatically  in the  Fund's shares; and  providing such  other information and
services as the Fund or the customer may reasonably request.
    
 
                  Statement of Additional Information Page 23
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
Under the Plans, in addition  to the Shareholder Service Agreements  authorizing
payments   to  selected  dealers,  banks  may  enter  into  Shareholder  Service
Agreements authorizing payments under the Plans to be made to banks that provide
services to  their  customers  who  have  purchased  shares.  Services  provided
pursuant to Shareholder Service Agreements with banks may include some or all of
the  following:  answering  shareholder  inquiries regarding  the  Fund  and the
Company; performing  sub-accounting;  establishing and  maintaining  shareholder
accounts  and records; processing customer purchase and redemption transactions;
providing periodic statements  showing a shareholder's  account balance and  the
integration  of such statements with those of other transactions and balances in
the shareholder's other  accounts serviced  by the  bank; forwarding  applicable
prospectuses,  proxy statements,  reports and notices  to bank  clients who hold
Fund shares; and such other administrative  services as the Fund reasonably  may
request,  to the  extent permitted  by applicable  statute, rule  or regulation.
Similar agreements  may  be permitted  under  the Plans  for  institutions  that
provide recordkeeping for and administrative services to 401(k) plans.
    
 
   
Financial  intermediaries and any other  person entitled to receive compensation
for selling Fund shares may receive different compensation for selling shares of
one particular class over another.
    
 
   
Under a Shareholder Service Agreement, the Fund agrees to pay periodically  fees
to  selected dealers and other institutions who render the foregoing services to
their customers. The fees payable under a Shareholder Service Agreement will  be
calculated  at the end of each payment period  for each business day of the Fund
during such period at the  annual rate of 0.25% of  the average daily net  asset
value  of  the  Fund's  shares  purchased  or  acquired  through  exchange. Fees
calculated in this manner shall be paid only to those selected dealers or  other
institutions  who are dealers or institutions of record at the close of business
on the last business  day of the  applicable payment period  for the account  in
which the Fund's shares are held.
    
 
   
Payments pursuant to the Plans are subject to any applicable limitations imposed
by  rules of the National Association  of Securities Dealers, Inc. ("NASD"). The
Plans conform to  rules of the  NASD by  limiting payments made  to dealers  and
other   financial  institutions  who  provide  continuing  personal  shareholder
services to their customers who purchase and  own shares of the Fund to no  more
than 0.25% per annum of the average daily net assets of the Fund attributable to
the  customers of such dealers or financial  institutions, and by imposing a cap
on the total  sales charges, including  asset-based sales charges,  that may  be
paid by the Fund and its respective classes.
    
 
   
AIM Distributors does not act as principal, but rather as agent for the Fund, in
making  dealer  incentive and  shareholder servicing  payments under  the Plans.
These payments are an obligation of the Fund and not of AIM Distributors.
    
 
   
The following  table  discloses  payments  made by  the  Fund  to  their  former
distributor,  GT Global,  Inc. ("GT Global")  under the Plans  during the Fund's
last fiscal year:
    
 
<TABLE>
<CAPTION>
                                                                                                 CLASS A        CLASS B
                                                                                               AMOUNT PAID    AMOUNT PAID
                                                                                              -------------  -------------
<S>                                                                                           <C>            <C>
Year ended Oct. 31, 1997....................................................................   $   994,519   $   4,233,024
</TABLE>
 
   
In approving the Plans, the Trustees  determined that the adoption of each  Plan
was  in the best interests of the  shareholders of that Fund. Agreements related
to the Plans must  also be approved  by such vote of  the Trustees, including  a
majority of Trustees who are not "interested persons" of the Company (as defined
in  the 1940 Act) and who have no  direct or indirect financial interests in the
operation of the Plans, or in any agreement related thereto.
    
 
   
Each Plan requires  that, at least  quarterly, the Trustees  review the  amounts
expended thereunder and the purposes for which such expenditures were made. Each
Plan  requires that so long  as it is in effect  the selection and nomination of
Trustees who are not  "interested persons" of the  Company will be committed  to
the  discretion of the Trustees who are not "interested persons" of the Company,
as defined in the 1940 Act.
    
 
   
As discussed in the Prospectus, AIM Distributors collects sales charges on sales
of Class A  shares of  the Fund,  retains certain  amounts of  such charges  and
reallows  other amounts  of such charges  to broker/dealers  who sell shares.The
following table reviews the extent of such activity during the Fund's last three
fiscal years under a sales structure substantially similar to the current  Class
A structure:
    
 
<TABLE>
<CAPTION>
                                                                                    SALES CHARGES   AMOUNTS     AMOUNTS
YEAR ENDED OCT. 31,                                                                   COLLECTED    RETAINED    REALLOWED
- ----------------------------------------------------------------------------------  -------------  ---------  -----------
<S>                                                                                 <C>            <C>        <C>
1997..............................................................................   $   208,844   $  52,850  $   155,994
1996..............................................................................       201,573      55,131      146,442
1995..............................................................................       556,296      80,112      476,184
</TABLE>
 
                  Statement of Additional Information Page 24
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
AIM  Distributors  receives  any  contingent  deferred  sales  charges ("CDSCs")
payable with  respect to  redemptions of  Class  B shares  and certain  Class  A
shares.  For the fiscal years  ended October 31, 1997,  1996 and 1995, GT Global
collected CDSCs  in  the  amounts  of  $1,199,637,  $1,485,113  and  $1,552,827,
respectively.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The  Transfer  Agent  has  been  retained by  the  Fund  to  perform shareholder
servicing, reporting  and general  transfer agent  functions for  the Fund.  For
these  services, the Transfer Agent receives an annual maintenance fee of $17.50
per account, a new account  fee of $4.00 per account,  a per transaction fee  of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent also is reimbursed by the Fund for its out-of-pocket expenses
for  such  items as  postage, forms,  telephone  charges, stationery  and office
supplies. The  Sub-adviser also  serves  as the  Fund's pricing  and  accounting
agent. For the fiscal years ended October 31, 1997, October 31, 1996 and October
31, 1995, the Fund paid accounting services fees to the Sub-adviser of $183,323,
$162,035 and $40,735, respectively.
    
 
EXPENSES OF THE FUND
   
The Fund pays all expenses not assumed by AIM, the Sub-adviser, AIM Distributors
and  other  agents.  These  expenses  include,  in  addition  to  the  advisory,
distribution, transfer agency, pricing and accounting agency and brokerage  fees
discussed  above,  legal and  audit expenses,  custodian fees,  directors' fees,
organizational  fees,  fidelity  bond  and  other  insurance  premiums,   taxes,
extraordinary  expenses and  the expenses  of reports  and prospectuses  sent to
existing investors.  The allocation  of general  Company expenses  and  expenses
shared  among the Fund  and other funds  organized as series  of the Company are
allocated on  a basis  deemed fair  and equitable,  which may  be based  on  the
relative  net assets  of the Fund  or the  nature of the  services performed and
relative applicability to  the Fund. Expenditures,  including costs incurred  in
connection  with  the  purchase  or  sale  of  portfolio  securities,  which are
capitalized  in  accordance  with   generally  accepted  accounting   principles
applicable  to investment companies, are accounted  for as capital items and not
as expenses. The ratio of the Fund's expenses to its relative net assets can  be
expected  to be  higher than  the expense  ratios of  funds investing  solely in
domestic securities,  since  the cost  of  maintaining the  custody  of  foreign
securities and the rate of investment management fees paid by the Fund generally
are higher than the comparable expenses of such other funds.
    
 
- --------------------------------------------------------------------------------
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As  described in the Prospectus,  the Fund's net asset  value per share for each
class of shares is determined  at the close of regular  trading on the New  York
Stock  Exchange  ("NYSE") (currently  4:00  p.m. Eastern  Time,  unless weather,
equipment failure or  other factors contribute  to an earlier  closing time)  on
each  business day the NYSE is open  for business. Currently, the NYSE is closed
on weekends and on certain days  relating to the following holidays: New  Year's
Day,  Martin Luther King  Day, President's Day, Good  Friday, Memorial Day, July
4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
The Fund's portfolio securities and other assets are valued as follows:
 
   
Equity securities, including  ADRs, ADSs, GDRs,  and EDRs, which  are traded  on
stock  exchanges, are valued  at the last sale  price on the  exchange or in the
principal over-the-counter market in which such securities are traded, as of the
close of business on  the day the  securities are being  valued or, lacking  any
sales,  at the last available bid price. In cases where securities are traded on
more than one exchange, the securities are valued on the exchange determined  by
the Sub-adviser to be the primary market.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
and asked prices for such  securities or, if such  prices are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a bond pricing service will  be used. Short-term investments are amortized
to maturity  based on  their cost,  adjusted for  foreign exchange  translation,
provided such valuations represent fair value.
    
 
   
Options  on indices, securities and currencies  purchased by the Fund are valued
at their last bid  price in the case  of listed options or,  in the case of  OTC
options,  at the average of  the last bid prices  obtained from dealers unless a
quotation from only one  dealer is available, in  which case only that  dealer's
price  will be used. The value of  each security denominated in a currency other
than U.S. dollars will be translated into U.S. dollars at the prevailing  market
rate as determined by the Sub-
    
 
                  Statement of Additional Information Page 25
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
adviser  on that day. When market quotations  for futures and options on futures
held by the  Fund are readily  available, those positions  will be valued  based
upon such quotations.
    
 
   
Securities  and  other  assets  for  which  market  quotations  are  not readily
available (including restricted securities which  are subject to limitations  as
to  their sale) are valued at fair value as determined in good faith by or under
the direction  of the  Company's  Board of  Trustees. The  valuation  procedures
applied  in any specific instance are likely to vary from case to case. However,
consideration generally is  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also generally are considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to  arrive  at the  value  of  the Fund's  total  assets.  The Fund's
liabilities, including  accruals  for  expenses, are  deducted  from  its  total
assets.  Once the total  value of the  Fund's net assets  is so determined, that
value is  then divided  by the  total number  of shares  outstanding  (excluding
treasury  shares), and the result, rounded to  the nearer cent, is the net asset
value per share.
 
   
Any assets or liabilities initially expressed in terms of foreign currencies are
translated into U.S. dollars at the official exchange rate or at the mean of the
current bid and  asked prices of  such currencies against  the U.S. dollar  last
quoted  by a major  bank that is  a regular participant  in the foreign exchange
market or on the basis of a  pricing service that takes into account the  quotes
provided  by a  number of such  major banks.  If none of  these alternatives are
available, or none are deemed to provide a suitable methodology for converting a
foreign currency into U.S. dollars, the  Board of Trustees, in good faith,  will
establish a conversion rate for such currency.
    
 
   
European,  Far Eastern, or Latin American  securities trading may not take place
on all days on which the NYSE is open. Further, trading takes place in  Japanese
markets on certain Saturdays and in various foreign markets on days on which the
NYSE is not open. In addition, trading in securities on European and Far Eastern
securities  exchanges and  OTC markets  generally is  completed well  before the
close of the  business day  in New York.  Consequently, the  calculation of  the
Fund's   net  asset  value  may  not   take  place  contemporaneously  with  the
determination of the prices of securities held by the Fund. Events affecting the
values of portfolio  securities that  occur between  the time  their prices  are
determined and the close of regular trading on the NYSE will not be reflected in
the  Fund's net asset value unless the Sub-adviser, under the supervision of the
Company's  Board  of  Trustees,  determines  that  the  particular  event  would
materially  affect net asset value. As a  result, the Fund's net asset value may
be significantly affected  by such  trading on  days when  a shareholder  cannot
purchase or redeem shares of the Fund.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment  for Class A or  Class B shares purchased  should accompany the purchase
order, or  funds should  be wired  to the  Transfer Agent  as described  in  the
Prospectus. Payment, other than by wire transfer, must be made by check or money
order  drawn on  a U.S.  bank. Checks or  money orders  must be  payable in U.S.
dollars.
 
As a condition of this offering, if an order to purchase either class of  shares
is  cancelled due to nonpayment (for example, on account of a check returned for
"not sufficient funds"), the person who  made the order will be responsible  for
any  loss  incurred by  the Fund  by reason  of such  cancellation, and  if such
purchaser is a shareholder, the  Fund shall have the  authority as agent of  the
shareholder  to redeem shares  in his or  her account at  their then-current net
asset value per  share to reimburse  the Fund for  the loss incurred.  Investors
whose  purchase orders have  been cancelled due to  nonpayment may be prohibited
from placing future orders.
 
   
The Fund  reserves the  right  at any  time to  waive  or increase  the  minimum
requirements applicable to initial or subsequent investments with respect to any
person  or class of persons.  An order to purchase shares  is not binding on the
Fund until it  has been confirmed  in writing  by the Transfer  Agent (or  other
arrangements  made with the Fund, in the  case of orders utilizing wire transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, the Fund reserves the right to reject any offer for a purchase  of
shares by any individual.
    
 
AUTOMATIC INVESTMENT PLAN -- CLASS A SHARES AND CLASS B SHARES
To  establish  participation in  the Fund's  Automatic Investment  Plan ("AIP"),
investors or their broker/dealers should  specify whether investment will be  in
Class  A  shares or  Class  B shares  and send  the  following documents  to the
Transfer Agent: (1) an AIP Application; (2) a Bank Authorization Form; and (3) a
voided personal check from the pertinent  bank account. The necessary forms  are
included  at the back of the Fund's Prospectus. Provided that an investor's bank
accepts the Bank  Authorization Form, investment  amounts will be  drawn on  the
designated dates (monthly on the 25th day or beginning quarterly on the 25th day
of  the  month  the  investor  first selects)  in  order  to  purchase  full and
fractional shares of the  Fund at the public  offering price determined on  that
day.  If the  25th day falls  on a Saturday,  Sunday or holiday,  shares will be
purchased on the next business day.  If an investor's check is returned  because
of  insufficient funds, a stop  payment order or the  account is closed, the AIP
may be discontinued, and any share purchase made upon deposit of such check  may
be  cancelled. Furthermore, the shareholder will be liable for any loss incurred
by the Fund by reason of such cancellation. Investors should allow one month for
the establishment of an AIP. An AIP  may be terminated by the Transfer Agent  or
the  Fund upon thirty  days' written notice  or by the  participant, at any time
without penalty, upon written notice to the Fund or the Transfer Agent.
 
LETTER OF INTENT -- CLASS A SHARES
   
A Letter of Intent ("LOI") is not a binding obligation to purchase the indicated
amount. While Class A shares are held  in escrow under an LOI to ensure  payment
of  applicable sales charges if  the indicated amount is  not met, all dividends
and other distributions on the escrowed shares will be reinvested in  additional
Class A shares or paid in cash, as specified by the shareholder. If the intended
investment  is  not completed  within the  specified thirteen-month  period, the
purchaser must remit to AIM Distributors the difference between the sales charge
actually paid and the sales charge that would have been applicable if the  total
Class  A purchases had been made at a single time. If this amount is not paid to
AIM Distributors  within  twenty days  after  written request,  the  appropriate
number  of  escrowed  shares will  be  redeemed  and the  proceeds  paid  to AIM
Distributors.
    
 
   
Any investor that  entered into a  LOI prior to  June 1, 1998,  under which  the
indicated  amount is not met, will be  subject to the sales charge schedule that
was in effect when the LOI was entered into.
    
 
A registered investment adviser,  trust company or  trust department seeking  to
execute  an LOI  as a single  purchaser with  respect to accounts  over which it
exercises investment discretion is required  to provide the Transfer Agent  with
information establishing that it has discretionary authority with respect to the
money  invested (e.g., by providing a  copy of the pertinent investment advisory
agreement). Class A shares purchased in this manner must be registered with  the
Transfer
 
                  Statement of Additional Information Page 27
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
Agent  so that only  the investment adviser, trust  company or trust department,
and not the  beneficial owner, will  be able to  place purchase, redemption  and
exchange orders.
 
   
CONVERSION OF CLASS B SHARES
    
   
Class  B shares will automatically convert into Class A shares of the same Fund.
For the purpose  of calculating the  holding period required  for conversion  of
Class  B shares, the initial issuance of Class  B shares shall mean (i) the date
on which such Class B  shares were issued, or (ii)  for Class B shares  obtained
through  an exchange, or a  series of exchanges, the  date on which the original
Class B shares  were issued.  For purposes  of conversion  to Class  A, Class  B
shares  purchased through the reinvestment  of dividends and other distributions
paid in respect of Class B shares  will be held in a separate sub-account.  Each
time  any Class B shares in the  shareholder's regular account (other than those
in the sub-account) convert to Class A, a pro rata portion of the Class B shares
in the sub-account will also convert to Class A. The portion will be  determined
by  the ratio that the shareholder's Class  B shares converting to Class A bears
to the shareholder's  total Class B  shares not acquired  through dividends  and
other distributions.
    
 
   
The  availability  of  the  conversion  feature  is  subject  to  the continuing
availability of an opinion of counsel to the effect that the dividends and other
distributions  paid  on  Class  A  and  Class  B  shares  will  not  result   in
"preferential  dividends" under the Internal Revenue  Code and the conversion of
shares does not constitute a taxable event. If the conversion feature ceased  to
be available, the Class B shares would not be converted and would continue to be
subject  to the higher ongoing expenses of  the Class B shares beyond the eighth
year. The  Sub-adviser has  no reason  to believe  that this  condition for  the
availability of the conversion feature will not be met.
    
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
Class  A or Class B shares may be  purchased as the underlying investment for an
IRA meeting the  requirements of sections  408(a), 408A or  530 of the  Internal
Revenue  Code of 1986, as amended ("Code"),  as well as for qualified retirement
plans described in Code Section 401  and custodial accounts complying with  Code
Section 403(b)(7).
 
   
IRAS: If you have earned income from employment (including self-employment), you
can  contribute each year to an IRA up  to the lesser of (1) $2,000 for yourself
or $4,000  for  you  and your  spouse,  regardless  of whether  your  spouse  is
employed,  or (2) 100% of compensation. Some  individuals may be able to take an
income tax deduction for the contribution. Regular contributions may not be made
for the year  you become 70  1/2 or  thereafter. Unless your  and your  spouse's
earnings  exceed  a certain  level, you  also may  establish an  "education IRA"
and/or a  "Roth IRA."  Although contributions  to these  new types  of IRAs  are
nondeductible,   withdrawals   from  them   will   be  tax-free   under  certain
circumstances. Please  consult  your  tax  adviser  for  more  information.  IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER  IRAS: Individuals who receive  distributions from qualified retirement
plans (other than  required distributions) and  who wish to  keep their  savings
growing  tax-deferred  can  roll  over  (or make  a  direct  transfer  of) their
distribution to a  Rollover IRA. These  accounts can also  receive rollovers  or
transfers  from an existing  IRA. If an "eligible  rollover distribution" from a
qualified employer-sponsored retirement plan is  not directly rolled over to  an
IRA  (or  certain qualified  plans),  withholding at  the  rate of  20%  will be
required for federal income tax purposes.  A distribution from a qualified  plan
that  is not an "eligible rollover  distribution," including a distribution that
is one of series of substantially equal periodic payments, generally is  subject
to  regular wage withholding or withholding at the rate of 10% (depending on the
type and  amount  of  the  distribution),  unless you  elect  not  to  have  any
withholding apply. Please consult your tax adviser for more information.
 
SEP-IRAS:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  Section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either  as separate  IRAs or as  part of  a Section  401(k)
 
                  Statement of Additional Information Page 28
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
plan.  SIMPLEs are not  subject to the  complicated nondiscrimination rules that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
   
Shares of the Fund  may be exchanged  for shares of  the corresponding class  of
other  GT Global Mutual  Funds or Class A  shares of funds of  The AIM Family of
Funds-Registered Trademark-, based on their respective net asset values  without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical. The exchange privilege is not  an option or right to purchase  shares
but  is permitted under the current policies  of the respective GT Global Mutual
Funds and The AIM Family of Funds. The privilege may be discontinued or  changed
at  any  time by  any of  those funds  upon  sixty days'  written notice  to the
shareholders of the fund and is available only in states where the exchange  may
be  made legally. Before purchasing shares  through the exercise of the exchange
privilege, a shareholder should obtain and read a copy of the prospectus of  the
fund to be purchased and should consider its investment objective(s).
    
 
   
THE  AIM FAMILY  OF FUNDS,  THE AIM FAMILY  OF FUNDS  AND DESIGN  (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM,  LA
FAMILIA  AIM DE FONDOS  AND LA FAMILIA  AIM DE FONDOS  AND DESIGN ARE REGISTERED
SERVICE MARKS AND  INVEST WITH DISCIPLINE  AND AIM BANK  CONNECTION ARE  SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
   
SALES CHARGE WAIVERS FOR SHARES PURCHASED PRIOR TO JUNE 1, 1998
    
   
Class  A shares that are subject to  a contingent deferred sales charge and that
were purchased before June  1, 1998 are entitled  to the following waivers  from
the  contingent deferred sales charge otherwise due upon redemption: (1) minimum
required distributions made in  connection with a GT  Global IRA, Keogh Plan  or
custodial  account under  Section 403(b)  of the  Code or  other retirement plan
following attainment of age 70 1/2;  (2) total or partial redemptions  resulting
from  a  distribution  following  retirement  in  the  case  of  a tax-qualified
employer-sponsored retirement  plan;  (3)  when  a  redemption  results  from  a
tax-free  return of an excess contribution  pursuant to Section 408(d)(4) or (5)
of the Code or  from the death  or disability of  the employee; (4)  redemptions
pursuant to the Fund's right to liquidate a shareholder's account involuntarily;
(5)    redemptions    pursuant   to    distributions   from    a   tax-qualified
employer-sponsored retirement plan, which is invested in GT Global Mutual Funds,
which are permitted to be made without penalty pursuant to the Code, other  than
tax-free  rollovers  or  transfers of  assets,  and  the proceeds  of  which are
reinvested in GT Global  Mutual Funds; (6) redemptions  made in connection  with
participant-directed  exchanges between options in an employer-sponsored benefit
plan; (7) redemptions made for the purpose of providing cash to fund a loan to a
participant  in  a  tax-qualified  retirement  plan;  (8)  redemptions  made  in
connection  with  a distribution  from any  retirement plan  or account  that is
permitted in accordance with the provisions of Section 72(t)(2) of the Code, and
the regulations promulgated thereunder; (9) redemptions made in connection  with
a  distribution from any retirement plan or  account that involves the return of
an excess deferral amount pursuant to Section 401(k)(8) or Section 402(g)(2)  of
the  Code;  (10)  redemptions made  in  connection  with a  distribution  from a
qualified profit-sharing or stock bonus plan described in Section 401(k) of  the
Code  to a participant or beneficiary under Section 401(k)(2)(B)(IV) of the Code
upon  hardship  of  the  covered  employee  (determined  pursuant  to   Treasury
Regulation  Section 1.401(k)-1(d)(2)); and  (11) redemptions made  by or for the
benefit of  certain  states,  counties  or  cities,  or  any  instrumentalities,
departments or authorities thereof where such entities are prohibited or limited
by applicable law from paying a sales charge or commission.
    
 
   
Class  B  shares purchased  before June  1,  1998 are  subject to  the following
waivers from the contingent deferred sales charge otherwise due upon  redemption
in  addition to the waivers provided for redemptions of currently issued Class B
shares as  described  in  the  Prospectus:  (1)  total  or  partial  redemptions
resulting   from  a  distribution   following  retirement  in   the  case  of  a
tax-qualified employer-sponsored retirement; (2) minimum required  distributions
made  in connection with a GT Global  IRA, Keogh Plan or custodial account under
Section 403(b) of the Code or other retirement plan following attainment of  age
70  1/2; (3) a  one-time reinvestment in Class  B shares of  the Fund within 180
days of a  prior redemption; (4)  redemptions pursuant to  distributions from  a
tax-qualified employer-sponsored retirement plan, which is invested in GT Global
Mutual  Funds, which are  permitted to be  made without penalty  pursuant to the
Code, other than tax-free rollovers or transfers of assets, and the proceeds  of
which  are  reinvested  in  GT  Global Mutual  Funds;  (5)  redemptions  made in
connection  with   participant-directed   exchanges  between   options   in   an
employer-sponsored  benefit  plan;  (6)  redemptions  made  for  the  purpose of
providing cash to  fund a loan  to a participant  in a tax-qualified  retirement
plan; (7) redemptions made in connection with a distribution from any retirement
plan  or account that is permitted in  accordance with the provisions of Section
72(t)(2)  of  the  Code,  and   the  regulations  promulgated  thereunder;   (8)
redemptions   made  in   connection  with   a  distribution   from  a  qualified
profit-sharing or stock bonus plan described in Section 401(k) of the Code to  a
participant  or  beneficiary under  Section  401(k)(2)(B)(IV) of  the  Code upon
hardship of the  covered employee  (determined pursuant  to Treasury  Regulation
Section  1.401(k)-1(d)(2)); and  (9) redemptions made  by or for  the benefit of
certain states, counties  or cities,  or any  instrumentalities, departments  or
authorities  thereof where such entities are prohibited or limited by applicable
law from paying a sales charge or commission.
    
 
                  Statement of Additional Information Page 29
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s)  and,  in the  case  of a  corporation,  the corporate  seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic  bank or savings institution, if the  proceeds are at least $500. Costs
in connection with the administration  of this service, including wire  charges,
currently  are borne by the  Fund. Proceeds of less than  $500 will be mailed to
the shareholder's registered address of record. The Fund and the Transfer  Agent
reserve  the right to refuse any  telephone instructions and may discontinue the
aforementioned redemption options upon fifteen days' written notice.
 
SYSTEMATIC WITHDRAWAL PLAN
Shareholders owning Class A or  Class B shares with a  value of $10,000 or  more
may  establish a Systematic Withdrawal Plan  ("SWP"). Under a SWP, a shareholder
will receive monthly or quarterly payments, in amounts of not less than $100 per
payment, through the automatic redemption of  the necessary number of shares  on
the designated dates (monthly on the 25th day or beginning quarterly on the 25th
day  of  the month  the investor  first selects).  If  the 25th  day falls  on a
Saturday, Sunday  or  holiday, the  redemption  will  take place  on  the  prior
business  day. Certificates, if any, for the  shares being redeemed must be held
by the Transfer Agent. Checks will  be made payable to the designated  recipient
and  mailed within  seven days.  If the recipient  is other  than the registered
shareholder, the signature  of each shareholder  must be guaranteed  on the  SWP
application  (see "How to  Redeem Shares" in the  Prospectus). A corporation (or
partnership) also must  submit a "Corporation  Resolution" or "Certification  of
Partnership"  indicating  the names,  titles and  signatures of  the individuals
authorized to act on  its behalf, and  the SWP application must  be signed by  a
duly authorized officer(s) and the corporate seal affixed.
 
With  respect to a SWP, the maximum annual  SWP withdrawal is 12% of the initial
account value.  Withdrawals  in excess  of  12%  of the  initial  account  value
annually  may result  in assessment of  a contingent deferred  sales charge. See
"How to Invest" in the Prospectus.
 
Shareholders should be aware that such systematic withdrawals may deplete or use
up entirely the initial investment and result in the realization of long-term or
short-term capital gains or losses. The SWP may be terminated at any time by the
Transfer Agent or the Fund upon thirty days' written notice or by a  shareholder
upon  written notice to the Fund or the Transfer Agent. Applications and further
details regarding establishment of a SWP are provided at the back of the  Fund's
Prospectus.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The  Fund may suspend redemption privileges or  postpone the date of payment for
more than seven days after a redemption order is received during any period  (1)
when  the NYSE is closed  other than customary weekend  and holiday closings, or
trading on the NYSE is restricted as directed by the SEC, (2) when an  emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Fund  to dispose of securities  owned by it or fairly  to determine the value of
its assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It is possible  that conditions  may arise  in the  future which  would, in  the
opinion  of the Company's Board of Trustees, make it undesirable for the Fund to
pay for all redemptions in cash. In such cases, the Board may authorize  payment
to  be made  in portfolio  securities or other  property of  the Fund, so-called
"redemptions in kind." Payment  of redemptions in kind  will be made in  readily
marketable  securities.  Such  securities  would be  valued  at  the  same value
assigned to  them in  computing  the net  asset  value per  share.  Shareholders
receiving  such  securities  would incur  brokerage  costs in  selling  any such
securities so received. However,  despite the foregoing,  the Company has  filed
with  the SEC an election pursuant to Rule  18f-1 under the 1940 Act. This means
that the  Fund  will  pay in  cash  all  requests for  redemption  made  by  any
shareholder of record, limited in amount with respect to each shareholder during
any  ninety-day period to the lesser of $250,000 or 1% of the net asset value of
the Fund at the beginning of such  period. This election will be irrevocable  so
long  as Rule 18f-1 remains in effect,  unless the SEC by order upon application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 30
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To continue to qualify for treatment  as a regulated investment company  ("RIC")
under  the Code, the Fund  must distribute to its  shareholders for each taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several  additional requirements. These requirements  include the following: (1)
the Fund must derive  at least 90%  of its gross income  each taxable year  from
dividends,  interest, payments with  respect to securities  loans and gains from
the sale or  other disposition  of securities  or foreign  currencies, or  other
income (including gains from options, Futures or Forward Contracts) derived with
respect  to its business of investing in securities or those currencies ("Income
Requirement"); (2) at the close of each  quarter of the Fund's taxable year,  at
least  50% of the value of its total assets must be represented by cash and cash
items,  U.S.  government  securities,  securities   of  other  RICs  and   other
securities,  with these other securities limited,  in respect of any one issuer,
to an amount that does not exceed 5% of the value of the Fund's total assets and
that does  not  represent more  than  10%  of the  issuer's  outstanding  voting
securities; and (3) at the close of each quarter of the Fund's taxable year, not
more  than 25% of  the value of its  total assets may  be invested in securities
(other than U.S. government securities or  the securities of other RICs) of  any
one issuer.
 
Dividends  and  other distributions  declared  by the  Fund  in, and  payable to
shareholders of record as  of a date  in, October, November  or December of  any
year  will  be  deemed  to have  been  paid  by  the Fund  and  received  by the
shareholders on December 31 of  that year if the  distributions are paid by  the
Fund  during  the following  January. Accordingly,  those distributions  will be
taxed to shareholders for the year in which that December 31 falls.
 
A portion of  the dividends from  the Fund's investment  company taxable  income
(whether  paid in cash or  reinvested in additional shares)  may be eligible for
the dividends-received deduction allowed  to corporations. The eligible  portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If Fund shares are sold at a loss  after being held for six months or less,  the
loss  will be treated as  long-term, instead of short-term,  capital loss to the
extent of any  capital gain  distributions received on  those shares.  Investors
also should be aware that if shares are purchased shortly before the record date
for  any dividend or other distribution, the shareholder will pay full price for
the shares and receive some portion of the price back as a taxable distribution.
 
The Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to  the
extent  it fails to distribute by the end of any calendar year substantially all
of its  ordinary income  for  that year  and capital  gain  net income  for  the
one-year period ending on October 31 of that year, plus certain other amounts.
 
FOREIGN TAXES
Dividends  and interest received by the Fund, and gains realized thereby, may be
subject to income, withholding or other  taxes imposed by foreign countries  and
U.S.  possessions ("foreign  taxes") that  would reduce  the yield  and/or total
return on  its securities.  Tax conventions  between certain  countries and  the
United  States may reduce or eliminate  foreign taxes, however, and many foreign
countries do not  impose taxes  on capital gains  in respect  of investments  by
foreign  investors. If more than 50% of the  value of the Fund's total assets at
the close of its  taxable year consists of  securities of foreign  corporations,
the  Fund  will be  eligible to,  and may,  file an  election with  the Internal
Revenue Service that  will enable its  shareholders, in effect,  to receive  the
benefit  of the foreign tax credit with respect to any foreign taxes paid by it.
Pursuant to the election, the Fund would treat those taxes as dividends paid  to
its  shareholders and each shareholder would be required to (1) include in gross
income, and treat as paid by him, his share of those taxes, (2) treat his  share
of  those taxes and of any dividend paid by the Fund that represents income from
foreign and U.S. possessions  sources as his own  income from those sources  and
(3)  either deduct the taxes deemed paid  by him in computing his taxable income
or, alternatively, use the foregoing information in calculating the foreign  tax
credit  against his federal income tax. The Fund will report to its shareholders
shortly after each taxable  year their respective shares  of the Fund's  foreign
taxes  and income from sources within  foreign countries and U.S. possessions if
it makes  this election.  Pursuant to  the  Taxpayer Relief  Act of  1997  ("Tax
 
                  Statement of Additional Information Page 31
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
Act"),  individuals who have no more than  $300 ($600 for married persons filing
jointly) of creditable  foreign taxes  included on Form  1099 and  all of  whose
foreign  source income is "qualified  passive income" may elect  each year to be
exempt from the extremely complicated foreign tax credit limitation and will  be
able to claim a foreign tax credit without having to file the detailed Form 1116
that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The  Fund  may invest  in the  stock of  "passive foreign  investment companies"
("PFICs"). A PFIC is a foreign  corporation -- other than a "controlled  foreign
corporation"  (I.E.,  a foreign  corporation  in which,  on  any day  during its
taxable year,  more than  50% of  the total  voting power  of all  voting  stock
therein  or the total value of all  stock therein is owned, directly, indirectly
or constructively, by  "U.S. shareholders,"  defined as U.S.  persons that  own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which  the Fund is a U.S. shareholder  (effective for its taxable year beginning
November 1, 1998) -- that, in general, meets either of the following tests:  (1)
at least 75% of its gross income is passive or (2) an average of at least 50% of
its  assets produce, or  are held for  the production of,  passive income. Under
certain circumstances,  the Fund  will be  subject to  federal income  tax on  a
portion  of  any "excess  distribution" received  on,  or of  any gain  from the
disposition of,  stock of  a PFIC  (collectively "PFIC  income"), plus  interest
thereon,  even if the Fund distributes the  PFIC income as a taxable dividend to
its shareholders. The balance of the PFIC income will be included in the  Fund's
investment  company taxable income and, accordingly,  will not be taxable to the
Fund to the extent it distributes that income to its shareholders.
 
If the Fund  invests in  a PFIC and  elects to  treat the PFIC  as a  "qualified
electing  fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and interest
obligation, the Fund would be  required to include in  income each year its  pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of  net long-term capital gain  over net short-term capital  loss) -- which most
likely would have  to be  distributed by the  Fund to  satisfy the  Distribution
Requirement and avoid imposition of the Excise Tax -- even if those earnings and
gain  were not received by the  Fund from the QEF. In  most instances it will be
very difficult, if  not impossible,  to make  this election  because of  certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark  to market" its  stock in any PFIC.  "Marking-to-market," in this context,
means including in ordinary income each taxable year the excess, if any, of  the
fair  market value of the stock over the Fund's adjusted basis therein as of the
end of that year.  Pursuant to the  election, the Fund also  will be allowed  to
deduct  (as an ordinary, not capital, loss)  the excess, if any, of its adjusted
basis in  PFIC stock  over  the fair  market value  thereof  as of  the  taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that  stock included in income  by the Fund for  prior taxable years. The Fund's
adjusted basis in each PFIC's stock subject to the election will be adjusted  to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations proposed in 1992  would provide a similar  election with respect  to
the stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends  paid by the Fund to a shareholder  who, as to the United States, is a
nonresident alien individual, nonresident alien fiduciary of a trust or  estate,
foreign  corporation  or foreign  partnership ("foreign  shareholder") generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder that is "effectively connected with  the conduct of a U.S. trade  or
business,"  in which case the  reporting and withholding requirements applicable
to domestic shareholders will apply. A  distribution of net capital gain by  the
Fund  to a foreign shareholder generally will  be subject to U.S. federal income
tax (at the rates  applicable to domestic persons)  only if the distribution  is
"effectively  connected" or  the foreign  shareholder is  treated as  a resident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options and Futures and entering into Forward Contracts, involves complex  rules
that  will determine, for federal income tax purposes, the amount, character and
timing of recognition of  the gains and losses  the Fund realizes in  connection
therewith.  Gains  from the  disposition of  foreign currencies  (except certain
gains that  may be  excluded by  future regulations),  and gains  from  options,
Futures  and Forward Contracts derived by the  Fund with respect to its business
of investing in securities  or foreign currencies,  will qualify as  permissible
income under the Income Requirement.
 
Futures  and Forward  Contracts that  are subject  to section  1256 of  the Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts")  and  that are  held by  the Fund  at  the end  of its  taxable year
generally will be deemed to  have been sold at  market value for federal  income
tax  purposes. Sixty percent of any net  gain or loss recognized on these deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256 Contracts,  will be  treated as  long-term capital  gain or  loss, and  the
balance  will be treated as  short-term capital gain or loss.  As of the date of
preparation of  this Statement  of Additional  Information, it  is not  entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net  capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the 15%
marginal
 
                  Statement of Additional Information Page 32
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
tax bracket) for gain recognized on capital assets held for more than 18  months
- --  instead of the 28% rate in effect before that legislation, which now applies
to gain recognized on capital  assets held for more than  one year but not  more
than  18 months, although technical corrections  legislation passed by the House
of Representatives late in 1997 would treat it as qualifying therefor.
 
Section 988 of the Code also may apply to gains and losses from transactions  in
foreign  currencies, foreign-currency-denominated  debt securities  and options,
Futures and Forward  Contracts on  foreign currencies ("Section  988" gains  and
losses).  Each Section  988 gain  or loss  generally is  computed separately and
treated as ordinary income or loss. In the case of overlap between sections 1256
and 988, special provisions  determine the character and  timing of any  income,
gain  or loss. The Fund attempts to monitor section 988 transactions to minimize
any adverse tax impact.
 
If the Fund has  an "appreciated financial position"  -- generally, an  interest
(including  an interest through an option,  Futures or Forward Contract or short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership interest the fair market value  of which exceeds its adjusted  basis
- --  and enters into a  "constructive sale" of the  same or substantially similar
property, the Fund will be treated as  having made an actual sale thereof,  with
the  result  that gain  will be  recognized  at that  time. A  constructive sale
generally consists of a short sale, an offsetting notional principal contract or
Futures or Forward Contract entered  into by the Fund  or a related person  with
respect  to  the same  or substantially  similar property.  In addition,  if the
appreciated financial  position is  itself  a short  sale  or such  a  contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The  foregoing  is a  general  and abbreviated  summary  of certain  federal tax
considerations affecting the Fund and  its shareholders. Investors are urged  to
consult their own tax advisers for more detailed information and for information
regarding  any  foreign,  state  and  local  taxes  applicable  to distributions
received from the Fund.
 
- --------------------------------------------------------------------------------
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
   
AIM was organized in 1976, and  along with its subsidiaries, manages or  advises
over  50 investment company portfolios encompassing  a broad range of investment
objectives. AIM is a direct, wholly owned  subsidiary of A I M Management  Group
Inc.  ("AIM  Management"),  a  holding  company that  has  been  engaged  in the
financial services  business since  1976. AIM  is the  sole shareholder  of  the
Funds'  principal underwriter, AIM  Distributors. AIM Management  is an indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England. AMVESCAP  PLC  and  its  subsidiaries  are  an  independent  investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide   asset  management  affiliates  also   currently  include  GT  Asset
Management Inc. in Toronto, Canada; GT Asset Management PLC in London,  England;
GT  Asset Management Ltd.  in Hong Kong;  GT Asset Management  Ltd. in Tokyo; GT
Asset Management Pte. Ltd. in Singapore; GT Asset Management Ltd. in Sydney; and
GT Asset Management GmbH in Frankfurt, Germany.]
    
 
CUSTODIAN
State Street  Bank and  Trust  Company ("State  Street"), 225  Franklin  Street,
Boston,  MA  02110, acts  as custodian  of  the Fund's  assets. State  Street is
authorized to  establish  and  has  established  separate  accounts  in  foreign
currencies  and to cause securities of the  Fund to be held in separate accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The Fund's independent accountants are                        , One Post  Office
Square, Boston, MA 02109.                        conducts an annual audit of the
Fund,  assists in  the preparation  of the Fund's  federal and  state income tax
returns and consults with the Company and the Fund as to matters of  accounting,
regulatory filings, and federal and state income taxation.
    
 
   
The  audited financial statements  of the Company included  in this Statement of
Additional Information  have  been  examined  by, as  stated  in  their  opinion
appearing  herein and are included in reliance  upon such opinion given upon the
authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The Sub-adviser  has granted  the Company  the right  to use  the "GT"  and  "GT
Global"  names and has reserved the right to  withdraw its consent to the use of
such names by the Company and/or  the Fund at any time,  or to grant the use  of
such names to any other company.
    
 
                  Statement of Additional Information Page 33
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
   
STANDARDIZED  RETURNS The Fund's  "Standardized Returns," as  referred to in the
Prospectus  (see  "Other   Information  --  Performance   Information"  in   the
Prospectus),  are calculated separately for  Class A, and Class  B shares of the
Fund, as follows:  Standardized Return  (average annual total  return ("T"))  is
computed  by using the ending redeeming  value ("ERV") of a hypothetical initial
investment of  $1,000  ("P") over  a  period of  years  ("n") according  to  the
following  formula as required by the SEC: P(1+T)  to the (n)th power = ERV. The
following assumptions will be reflected in computations made in accordance  with
this  formula: (1) for Class A shares,  deduction of the maximum sales charge of
4.75% from the $1,000 initial investment;  (2) for Class B shares, deduction  of
the applicable contingent deferred sales charge imposed on a redemption of Class
B  shares  held  for  the  period;  (3)  reinvestment  of  dividends  and  other
distributions at net  asset value  on the  reinvestment date  determined by  the
Company's  Board of Trustees;  and (4) a  complete redemption at  the end of any
period illustrated.
    
 
The Standardized Returns for the Class A and Class B shares of the Fund,  stated
as average annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                                GROWTH AND       GROWTH AND
                                                                                                INCOME FUND      INCOME FUND
PERIOD                                                                                           (CLASS A)        (CLASS B)
- --------------------------------------------------------------------------------------------  ---------------  ---------------
<S>                                                                                           <C>              <C>
Fiscal year ended Oct. 31, 1997.............................................................         13.35%           13.28%
Oct. 31, 1992 through Oct. 31, 1997.........................................................         12.67%           12.81%
Oct. 22, 1992 (commencement of operations) through Oct. 31, 1997............................           n/a            12.82%
Sept. 25, 1990 (commencement of operations) through Oct. 31, 1997...........................         11.95%             n/a
</TABLE>
 
NON-STANDARDIZED  RETURNS In addition to Standardized Returns, the Fund may also
include in advertisements, sales literature and shareholder reports other  total
return  performance data ("Non-Standardized Return"). Non-Standardized Return is
calculated separately for  Class A and  Class B shares  of the Fund  and may  be
calculated according to several different formulas. Non-Standardized Returns may
be  quoted for the same or different time periods for which Standardized Returns
are quoted. Non-Standardized  Returns may  or may  not take  sales charges  into
account;  performance data calculated without taking the effect of sales charges
into account will be higher than data including the effect of such charges.
 
Average annual Non-Standardized  Return ("T")  is computed by  using the  ending
redeeming  value ("ERV")  of a hypothetical  initial investment  of $1,000 ("P")
over a period of years ("n") according  to the following formula as required  by
the  SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will be
reflected in computations made in accordance with this formula: (1) no deduction
of sales charges; (2) reinvestment of  dividends and other distributions at  net
asset value on the reinvestment date determined by the Board; and (3) a complete
redemption at the end of any period illustrated.
 
The  average annual Non-Standardized Returns for the  Class A and Class B shares
of the Fund, stated as average  annualized total returns for the periods  shown,
were:
 
<TABLE>
<CAPTION>
                                                                                                GROWTH AND       GROWTH AND
                                                                                                INCOME FUND      INCOME FUND
PERIOD                                                                                           (CLASS A)        (CLASS B)
- --------------------------------------------------------------------------------------------  ---------------  ---------------
<S>                                                                                           <C>              <C>
Fiscal year ended Oct. 31, 1997.............................................................         19.01%           18.28%
Oct. 31, 1992 through Oct. 31, 1997.........................................................         13.77%           13.05%
Oct. 22, 1992 (commencement of operations) through Oct. 31, 1997............................           n/a            12.94%
Sept. 25, 1990 (commencement of operations) through Oct. 31, 1997...........................         12.72%             n/a
</TABLE>
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the  account  ("VOA")  of  a hypothetical  initial  investment  of  $1,000 ("P")
according to the  following formula: T  = (VOA/P)-1. Aggregate  Non-Standardized
Return  assumes reinvestment  of dividends and  other distributions  and, as set
forth below, may or may not take sales charge into account.
 
                  Statement of Additional Information Page 34
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
The aggregate Non-Standardized Returns (not  taking sales charges into  account)
for  the Class  A and  Class B  shares of  the Fund,  stated as  aggregate total
returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                              GROWTH AND       GROWTH AND
                                                                                              INCOME FUND      INCOME FUND
PERIOD                                                                                         (CLASS A)        (CLASS B)
- ------------------------------------------------------------------------------------------  ---------------  ---------------
<S>                                                                                         <C>              <C>
Oct. 22, 1992 (commencement of operations) through Oct. 31, 1997..........................           n/a            84.31%
Sept. 25, 1990 (commencement of operations) through Oct. 31, 1997.........................        133.95%             n/a
</TABLE>
 
The aggregate Non-Standardized Returns (taking  sales charges into account)  for
the  Class A and B shares of the Fund, stated as aggregate total returns for the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                              GROWTH AND       GROWTH AND
                                                                                              INCOME FUND      INCOME FUND
PERIOD                                                                                         (CLASS A)        (CLASS B)
- ------------------------------------------------------------------------------------------  ---------------  ---------------
<S>                                                                                         <C>              <C>
Oct. 22, 1992 (commencement of operations) through Oct. 31, 1997..........................           n/a            83.31%
Sept. 25, 1990 (commencement of operations) through Oct. 31, 1997.........................        122.84%             n/a
</TABLE>
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
The Fund and AIM  Distributors may from time  to time, in advertisements,  sales
literature and reports furnished to present or prospective shareholders, compare
the Fund with the following, among others:
    
 
        (1)  The Consumer Price Index ("CPI"), which is a measure of the average
    change in prices over time  in a fixed market  basket of goods and  services
    (e.g.,  food, clothing,  shelter, fuels,  transportation fares,  charges for
    doctors' and dentists' services, prescription medicines, and other goods and
    services that people  buy for  day-to-day living). There  is inflation  risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2)  Data and mutual fund rankings and comparisons published or prepared
    by  Lipper  Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger
    Investment   Company   Services   ("CDA/Wiesenberger"),   Morningstar,  Inc.
    ("Morningstar"), Micropal,  Inc. and/or  other  companies that  rank  and/or
    compare  mutual funds by overall performance, investment objectives, assets,
    expense levels, periods of existence  and/or other factors. In this  regard,
    the  Fund  may  be  compared  to its  "peer  group"  as  defined  by Lipper,
    CDA/Wiesenberger, Morningstar  and/or  other  firms, as  applicable,  or  to
    specific  funds or  groups of  funds within or  outside of  such peer group.
    Lipper generally  ranks  funds  on  the  basis  of  total  return,  assuming
    reinvestment of distributions, but does not take sales charges or redemption
    fees into consideration, and is prepared without regard to tax consequences.
    In  addition  to the  mutual fund  rankings, the  Fund's performance  may be
    compared to mutual fund performance indices prepared by Lipper.  Morningstar
    is a mutual fund rating service that also rates mutual funds on the basis of
    risk-adjusted  performance. Morningstar ratings are calculated from a fund's
    three, five  and  ten  year  average annual  returns  with  appropriate  fee
    adjustments and a risk factor that reflects fund performance relative to the
    three-month  U.S. Treasury bill monthly returns. Ten percent of the funds in
    an investment category receive five stars and 22.5% receive four stars.  The
    ratings are subject to change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    price of 500 of the largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley  Capital International All  Country (AC) World  index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2500  different issuers, located  in 47 countries,  and
    grouped in 38 separate industries.
 
                  Statement of Additional Information Page 35
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE") provides  brief  reports on  most  of the  World  Bank's  borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunications companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval  service  for information,  including international  financial and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
       (17)  Various publications produced  by ratings agencies  such as Moody's
    Investors Service, Inc. ("Moody's"),  Standard & Poor's,  a division of  The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18)  Wilshire Associates which is  an on-line database for international
    financial and economic data including  performance measure for a wide  range
    of securities.
 
       (19)  Bank Rate National Monitor Index, which is an average of the quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20) International  Finance  Corporation ("IFC")  Emerging  Markets  Data
    Base,  which  provides  detailed statistics  on  stock and  bond  markets in
    developing countries.
 
       (21) Various publications from the Organization for Economic  Cooperation
    and Development ("OECD").
 
       (22)  Average of  Savings Accounts,  which is a  measure of  all kinds of
    savings deposits, including longer-term certificates. Savings accounts offer
    a guaranteed rate  of return on  principal, but no  opportunity for  capital
    growth.  During a  portion of  the period,  the maximum  rates paid  on some
    savings deposits were fixed by law.
 
   
Indices, economic and  financial data  prepared by the  research departments  of
various financial organizations such as Salomon Brothers, Inc., Lehman Brothers,
Merrill  Lynch, Pierce, Fenner & Smith, Inc., Financial Research Corporation, J.
P.  Morgan,  Morgan  Stanley,  Smith  Barney  Shearson,  S.G.  Warburg,  Jardine
Flemming,  The  Bank  for  International  Settlements,  Asian  Development Bank,
Bloomberg, L.P.  and Ibbotson  Associates may  be used  as well  as  information
reported  by the  Federal Reserve  and the  respective Central  Banks of various
nations. In addition, AIM Distributors may use performance rankings, ratings and
commentary reported periodically in  national financial publications,  including
Money  Magazine, Mutual Fund  Magazine, Smart Money,  Global Finance, EuroMoney,
Financial World, Forbes, Fortune, Business Week, Latin Finance, The Wall  Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's, The  Financial Times,  USA  Today, The  New  York Times,  Far  Eastern
Economic  Review, The  Economist and  Investors Business  Digest. Each  Fund may
compare its performance to that of  other compilations or indices of  comparable
quality  to those listed above and other  indices that may be developed and made
available in the future.
    
 
   
Information  relating  to   foreign  market   performance,  capitalization   and
diversification  is based on sources believed to  be reliable but may be subject
to revision  and  has  not  been  independently verified  by  the  Fund  or  AIM
Distributors.  The  authors  and  publishers  of such  material  are  not  to be
considered as "experts" under the 1933 Act, on account of the inclusion of  such
information herein.
    
 
A  portion of the performance  figures for each market  includes the positive or
negative effects of the currency exchange rates effective at December 31 of each
year between the U.S. dollar and currency of the foreign market (e.g.,  Japanese
Yen,  German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that has
strengthened or weakened against the  U.S. dollar will positively or  negatively
affect the reported returns, as the case may be.
 
   
AIM  Distributors  believes that  this information  may  be useful  to investors
considering whether and to what extent to diversify their investment through the
purchase of mutual  funds investing in  securities on a  global basis.  However,
this data is not a representation of the past performance of the Fund, nor is it
a  prediction of such performance. The performance  of the Fund will differ from
the historical performance or relevant indices. The performance of indices  does
    
 
                  Statement of Additional Information Page 36
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
not  take  expenses  into  account,  while  the  Fund  incurs  expenses  in  its
operations, which will reduce performance. Each of these factors will cause  the
performance of the Fund to differ from relevant indices.
 
   
From  time to  time, the Fund  and AIM Distributors  may refer to  the number of
shareholders in  the Fund  or the  aggregate number  of shareholders  in all  GT
Global  Mutual Funds  or the  dollar amount of  Fund assets  under management or
rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM Distributors believes the  Fund is an  appropriate investment for  long-term
investment   goals,  including  funding  retirement,  paying  for  education  or
purchasing a house. AIM  Distributors may provide  information designed to  help
individuals  understand  their investment  goals  and explore  various financial
strategies. For example,  AIM Distributors  may describe  general principles  of
investing,  such as  asset allocation,  diversification and  risk tolerance. The
Fund does not represent a complete  investment program and the investors  should
consider  the  Fund as  appropriate for  a portion  of their  overall investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From time to time, AIM Distributors may refer to or advertise the names of  U.S.
and  non-U.S. companies and  their products, although there  can be no assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns  of the capital  markets in the United  States, including common stocks,
small  capitalization  stocks,  long-term  corporate  bonds,   intermediate-term
government  bonds, long-term government bonds, Treasury  bills, the U.S. rate of
inflation (based on the CPI), and  combinations of various capital markets.  The
performance  of  these capital  markets  is based  on  the returns  of different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to demonstrate  general  risk-versus-reward  investment  scenarios.  Performance
comparisons  may also include the  value of a hypothetical  investment in any of
these capital  markets. The  risks associated  with the  security types  in  any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Fund.
 
The Fund may quote various measures of volatility and benchmark correlation such
as  beta, standard deviation and R(2) in  advertising. In addition, the Fund may
compare these measures to those of  other funds. Measures of volatility seek  to
compare  the Fund's historical share price fluctuations or total return to those
of a benchmark.
 
The Fund may  advertise examples of  the effects of  periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low.  While such a strategy does not assure  a profit or guard against loss in a
declining market, the  investor's average cost  per share can  be lower than  if
fixed  numbers of shares are purchased at the same intervals. In evaluating such
a plan, investors should  consider their ability  to continue purchasing  shares
through periods of low price levels.
 
The  Fund may describe in its sales  material and advertisements how an investor
may invest in GT Global Mutual  Funds through various retirement plans or  other
programs that offer deferral of income taxes on investment earnings and pursuant
to  which  an  investor  may make  deductible  contributions.  Because  of their
advantages, these retirement plans and programs may produce returns superior  to
comparable non-retirement investments. For example, a $10,000 investment earning
a  taxable return of 10% annually would have an after-tax value of $17,976 after
ten years, assuming tax was deducted from the return each year at a 39.6%  rate.
An  equivalent tax-deferred investment would have  an after-tax value of $19,626
after ten years, assuming  tax was deducted  at a 39.6%  rate from the  deferred
earnings   at  the   end  of  the   ten-year  period.  In   sales  material  and
advertisements, the  Fund  may  also  discuss  these  plans  and  programs.  See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM  Distributors may from time  to time in its  sales materials and advertising
discuss the risks inherent in investing. The major types of investment risk  are
market  risk, industry risk, credit risk, interest rate risk and inflation risk.
Risk represents the possibility that you may lose some or all of your investment
over a period of time. A basic  tenet of investing is the greater the  potential
reward, the greater the risk.
    
 
   
From  time  to  time,  the  Fund and  AIM  Distributors  will  quote information
regarding industries, individual countries, regions, world stock exchanges,  and
economic and demographic statistics from sources AIM Distributors deems reliable
including the economic and financial data of financial organizations, such as:
    
 
 1) Stock  market  capitalization:  Morgan Stanley  Capital  International World
    Indices, IFC and Datastream.
 
 2) Stock market trading volume:  Morgan Stanley Capital International  Industry
    Indices and IFC.
 
                  Statement of Additional Information Page 37
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
 3) The  number of  listed companies: IFC,  G.T. Guide to  World Equity Markets,
    Salomon Brothers, Inc., and S.G. Warburg.
 
 4) Wage rates: U.S. Department of  Labor Statistics and Morgan Stanley  Capital
    International World Indices.
 
 5) International  industry  performance: Morgan  Stanley  Capital International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock  market  performance:  Morgan  Stanley  Capital  International   World
    Indices, IFC and Datastream.
 
 7) The  Consumer Price Index and inflation rate: The World Bank, Datastream and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry or market: IFC, G.T. Guide to World
    Equity Markets, Salomon Brothers Inc., and S.G. Warburg.
 
15) Foreign direct  investments  to developing  countries:  The World  Bank  and
    Datastream.
 
16) Supply,  consumption,  demand  and  growth in  demand  of  certain products,
    services and industries, including, but not limited to, electricity,  water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources  of such information may include, but  would not be limited to, The
    World Bank, OECD, IMF, Bloomberg and DataStream).
 
17) Standard deviation and performance returns for U.S. and non-U.S. equity  and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries  restructuring their debt,  including those under  the Brady Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government and  corporate bonds  -- credit  ratings, yield  to maturity  and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time to time, AIM Distributors may include in its advertisements and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
   
In  advertising and sales  materials, AIM Distributors may  make reference to or
discuss its products, services and accomplishments. Among these  accomplishments
are  that in 1983 the Sub-adviser provided  assistance to the government of Hong
Kong in  linking its  currency to  the U.S.  dollar, and  that in  1987  Japan's
Ministry  of Finance  licensed LGT  Asset Management  Ltd. as  one of  the first
foreign  discretionary  investment   managers  for   Japanese  investors.   Such
accomplishments,  however,  should  not  be  viewed  as  an  endorsement  of the
Sub-adviser by the government of Hong  Kong, Japan's Ministry of Finance or  any
other  government or government  agency. Nor do any  such accomplishments of the
Sub-adviser provide any assurance  that the GT  Global Mutual Funds'  investment
objectives will be achieved.
    
 
GT GLOBAL ADVANTAGE
   
[As  part of Liechtenstein Global Trust, GT Global continues a 75-year tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine  offices  worldwide,  we  witness world  events  and  economic developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
    
 
The key to achieving  consistent results is  following a disciplined  investment
process.  Our  approach  to  asset allocation  takes  advantage  of  GT Global's
worldwide  presence  and  global  perspective.  Our  "macroeconomic"   worldview
determines our
 
                  Statement of Additional Information Page 38
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
overall  strategy  of regional,  country and  sector allocations.  Our bottom-up
process of security  selection combines fundamental  research with  quantitative
analysis through our proprietary models.
 
Built-in  checks  and balances  strengthen  the process,  enhancing professional
experience and judgment with an  objective assessment of risk. Ultimately,  each
security  we select has passed  a ranking system that  helps our portfolio teams
determine when to buy and when to  sell. With respect to stocks, a global  stock
research  ("GSR") database developed  by GT Global is  utilized in the selection
process. All stocks  within the GSR  database are systematically  ranked by  our
analysts  on a  1-5 basis  with 1 representing  the most  favored. The rankings,
along with our  quantitative, fundamental research,  determine which stocks  are
bought and sold.
 
GT  Global describes the major stages of  economic development as revolving in a
"virtuous cycle." From time  to time, each  Fund and GT  Global may discuss  the
virtuous  cycle in  its sales  literature and  advertising. This  cycle operates
worldwide,  forcing  companies   to  become  increasingly   competitive  in   an
ever-expanding  global  marketplace.  GT  Global  has  identified  the following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL  FLOWS FROM  DEVELOPED MARKETS  TO EMERGING  MARKETS: As  barriers fall,
restrictions on the free movement of capital  in and out of a country are  often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED  DEMAND FOR  GLOBAL CONSUMER PRODUCTS:  As people  in emerging markets
experience rising standards of living  due to increased industrialization,  they
demand more consumer products which can help spur global trade flows.
 
   
GT  Global believes that we  increasingly live in a  world without boundaries in
terms of trade, competition and  investment opportunities. Therefore, GT  Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings,  or themes,  as an alternative  to the traditional,  primary focus on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
                  Statement of Additional Information Page 39
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by various entities from  "Aaa" to "C." Investment  grade ratings are the  first
four categories:
 
        Aaa  -- Bonds which are rated Aaa are  judged to be of the best quality.
    They carry the smallest degree of investment risk and are generally referred
    to as "gilt  edged." Interest payments  are protected  by a large  or by  an
    exceptionally  stable  margin and  principal  is secure.  While  the various
    protective elements are likely to change, such changes as can be  visualized
    are  most  unlikely  to impair  the  fundamentally strong  position  of such
    issues.
 
        Aa -- Bonds which are rated Aa are  judged to be of high quality by  all
    standards.  Together with  the Aaa  group they  comprise what  are generally
    known as high grade bonds. They are rated lower than the best bonds  because
    margins  of  protection  may  not  be  as  large  as  in  Aaa  securities or
    fluctuation of protective elements may be of greater amplitude or there  may
    be  other elements  present which  make the  long-term risk  appear somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes  and  are  to be  considered  as  upper-medium-grade obligations.
    Factors giving security to principal  and interest are considered  adequate,
    but  elements may  be present which  suggest a  susceptibility to impairment
    some time in the future.
 
        Baa --  Bonds  which  are  rated  Baa  are  considered  as  medium-grade
    obligations,  (i.e., they are neither  highly protected nor poorly secured).
    Interest payments and principal security appear adequate for the present but
    certain protective  elements may  be lacking  or may  be  characteristically
    unreliable  over  any  great length  of  time. Such  bonds  lack outstanding
    investment characteristics and in  fact have speculative characteristics  as
    well.
 
        Ba  -- Bonds which are rated Ba are judged to have speculative elements;
    their future cannot be considered  as well-assured. Often the protection  of
    interest  and principal payments may be  very moderate, and thereby not well
    safeguarded during both good and bad  times over the future. Uncertainty  of
    position characterizes bonds in this class.
 
        B  --  Bonds which  are rated  B generally  lack characteristics  of the
    desirable investment. Assurance  of interest  and principal  payments or  of
    maintenance  of other terms of the contract over any long period of time may
    be small.
 
        Caa -- Bonds which are rated Caa  are of poor standing. Such issues  may
    be  in default or  there may be  present elements of  danger with respect to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C  -- Bonds which are  rated C are the lowest  rated class of bonds, and
    issues so rated can be regarded  as having extremely poor prospects of  ever
    attaining any real investment standing.
 
ABSENCE  OF RATING: Where no rating has been assigned or where a rating has been
suspended or withdrawn, it may  be for reasons unrelated  to the quality of  the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
1. An application for rating was not received or accepted.
 
2.  The issue or issuer  belongs to a group of  securities or companies that are
not rated as a matter of policy.
 
3. There is a lack of essential data pertaining to the issue or issuer.
 
4. The issue was privately placed, in which case the rating is not published  in
Moody's publications.
 
Suspension  or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data  to permit  a judgment  to be  formed; if  a bond  is
called for redemption; or for other reasons.
 
                  Statement of Additional Information Page 40
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
Note:  Moody's applies numerical  modifiers, 1, 2  and 3 in  each generic rating
classification from Aa to Caa. The  modifier 1 indicates that the Company  ranks
in  the higher end  of its generic  rating category; the  modifier 2 indicates a
mid-range ranking; and the  modifier 3 indicates that  the Company ranks in  the
lower end of its generic rating category.
 
    STANDARD  & POOR'S, a  division of The  McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various  entities in categories ranging from  "AAA"
to  "D"  according  to quality.  Investment  grade  ratings are  the  first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA  --  An  obligation  rated  "AA"  differs  from  the  highest   rated
    obligations  only  in a  small degree.  The obligor's  capacity to  meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB  --  An   obligation  rated  "BBB"   exhibits  adequate   protection
    parameters.  However, adverse economic  conditions or changing circumstances
    are more likely to lead  to a weakened capacity of  the obligor to meet  its
    financial commitment on the obligation.
 
        BB,  B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and "C"
    are  regarded  as  having  significant  speculative  characteristics.   "BB"
    indicates  the least degree  of speculation and "C"  the highest. While such
    obligations will likely  have some quality  and protective  characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB  -- An  obligation rated "BB"  is less vulnerable  to nonpayment than
    other speculative issues. However, it  faces major ongoing uncertainties  or
    exposure  to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate  capacity to meet its financial  commitment
    on the obligation.
 
        B  --  An obligation  rated "B"  is more  vulnerable to  nonpayment than
    obligations rated "BB," but the obligor  currently has the capacity to  meet
    its  financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to  nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for  the obligor to meet its financial  commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to  have the  capacity to meet  its financial  commitment on  the
    obligation.
 
        CC  --  An  obligation  rated "CC"  is  currently  highly  vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a  bankruptcy
    petition  has been filed or  similar action has been  taken, but payments on
    this obligation are being continued.
 
        D --  An obligation  rated "D"  is in  payment default.  The "D"  rating
    category is used when payments on an obligation are not made on the date due
    even  if the  applicable grace period  has not expired,  unless S&P believes
    that such payments  will be made  during such grade  period. The "D"  rating
    also  will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by  the
addition  of a  plus or minus  sign to  show relative standing  within the major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient  information on which to base a rating, or that S&P does not rate a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S employs  the  designation  "Prime-1" to  indicate  commercial  paper
having  a superior ability for repayment  of senior short-term debt obligations.
Prime-1 repayment  ability will  often be  evidenced by  many of  the  following
characteristics:  leading market positions  in well-established industries; high
rates of return  on funds employed;  conservative capitalization structure  with
moderate  reliance on debt and ample asset protection; broad margins in earnings
coverage of  fixed financial  charges  and high  internal cash  generation;  and
well-established  access to a range of  financial markets and assured sources of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior short-term debt obligations. This normally  will be evidenced by many  of
the  characteristics cited  above but  to a  lesser degree.  Earnings trends and
coverage ratios, while sound, may  be more subject to variation.  Capitalization
characteristics,  while  still appropriate,  may  be more  affected  by external
conditions. Ample alternate liquidity is maintained.
 
                  Statement of Additional Information Page 41
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
    S&P ratings of commercial paper  are graded into several categories  ranging
from  "A1" for the highest quality obligations  to "D" for the lowest. Issues in
the "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate  the
relative  degree  of safety.  A-1 --  This highest  category indicates  that the
degree of safety regarding timely payment is strong. Those issues determined  to
possess extremely strong safety characteristics will be denoted with a plus sign
(+)  designation.  A-2  -- Capacity  for  timely  payments on  issues  with this
designation is satisfactory; however,  the relative degree of  safety is not  as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
 
   
To be filed.
    
 
                  Statement of Additional Information Page 42
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUNDS
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
FIXED INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY  G.T.
  INVESTMENT  FUNDS, GT  GLOBAL GROWTH  & INCOME FUND,  A I  M ADVISORS, INC.,
  [CHANCELLOR GT ASSET  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS
  STATEMENT  OF ADDITIONAL INFORMATION DOES NOT CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
                                                                   GROSA703   MC
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
    
 
   
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  Statement of  Additional Information  relates to the  Class A  and Class B
shares of  GT  Global  Latin  America  Growth  Fund  ("Fund").  The  Fund  is  a
non-diversified  series of G.T.  Investment Funds (the  "Company"), a registered
open-end  management   investment   company.  This   Statement   of   Additional
Information,  which  is not  a  prospectus, supplements  and  should be  read in
conjunction with the Fund's current Class A and Class B Prospectus dated June 1,
1998. A copy  of the  Fund's Prospectus is  available without  charge by  either
writing  to the above address or by  calling the Fund at the toll-free telephone
number printed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator   for,   and  [Chancellor   LGT   Asset  Management,   Inc.]  (the
"Sub-adviser") serves as  the investment sub-adviser  and sub-administrator  for
the Fund. The distributor of the Fund's shares is A I M Distributors, Inc. ("AIM
Distributors").  The Fund's transfer agent is  GT Global Investor Services, Inc.
("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objective and Policies........................................................................................      2
Options, Futures and Currency Strategies.................................................................................      5
Risk Factors.............................................................................................................     14
Investment Limitations...................................................................................................     18
Execution of Portfolio Transactions......................................................................................     20
Trustees and Executive Officers..........................................................................................     22
Management...............................................................................................................     24
Valuation of Fund Shares.................................................................................................     26
Information Relating to Sales and Redemptions............................................................................     28
Taxes....................................................................................................................     32
Additional Information...................................................................................................     34
Investment Results.......................................................................................................     35
Description of Debt Ratings..............................................................................................     40
Financial Statements.....................................................................................................     42
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVE
The  investment objective  of the  Fund is  capital appreciation.  The Fund will
normally invest at least 65% of its total assets in securities of a broad  range
of  Latin American issuers. Under current market conditions, the Fund expects to
invest  primarily  in  equity  and  debt  securities  issued  by  companies  and
governments in Mexico, Chile, Brazil and Argentina. Though the Fund can normally
invest  up to 35% of its total assets  in U.S. securities, the Fund reserves the
right to  be  primarily invested  in  U.S. securities  for  temporary  defensive
purposes or pending investment of the proceeds of the offering made hereby.
 
SELECTION OF EQUITY INVESTMENTS
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries for  the  Fund, the  Sub-adviser  ordinarily considers  the  following
factors:  prospects for relative economic growth between the different countries
in which the Fund may invest; expected levels of inflation; government  policies
influencing business conditions; the outlook for interest rates; the outlook for
currency relationships; and the range of the individual investment opportunities
available to international investors.
    
 
   
In  analyzing companies for  investment by the  Fund, the Sub-adviser ordinarily
looks for  one  or  more  of the  following  characteristics:  an  above-average
earnings  growth per  share; high  return on  invested capital;  healthy balance
sheet; sound financial and accounting  policies and overall financial  strength;
strong  competitive advantages;  effective research and  product development and
marketing; efficient service; pricing  flexibility; strength of management;  and
general  operating characteristics  which will  enable the  companies to compete
successfully  in   their   respective  marketplaces.   In   certain   countries,
governmental  restrictions and  other limitations  on investment  may affect the
maximum percentage  of equity  ownership in  any  one company  by the  Fund.  In
addition,  in some instances only special classes of securities may be purchased
by foreigners and the market prices, liquidity and rights with respect to  those
securities may vary from shares owned by nationals.
    
 
   
There  may be times when, in the  opinion of the Sub-adviser, prevailing market,
economic or political conditions warrant  reducing the proportion of the  Fund's
assets  invested in equity securities and increasing the proportion held in cash
or short-term obligations  denominated in  U.S. dollars or  other currencies.  A
portion of the Fund's assets normally will be held in U.S. dollars or short-term
interest-bearing  dollar-denominated securities to  provide for ongoing expenses
and redemptions.
    
 
The Fund may be prohibited under the Investment Company Act of 1940, as  amended
(the  "1940 Act") from purchasing the securities of any foreign company that, in
its most recent fiscal year,  derived more than 15%  of its gross revenues  from
securities-related  activities ("securities-related companies").  In a number of
Latin American  countries, commercial  banks act  as securities  broker/dealers,
investment  advisers and underwriters or  otherwise engage in securities-related
activities, which may  limit the  Fund's ability  to hold  securities issued  by
banks.  The  Fund has  obtained an  exemption from  the Securities  and Exchange
Commission ("SEC") to permit it to invest in certain of these securities subject
to certain restrictions.
 
DEBT CONVERSIONS
   
Several Latin American countries have adopted debt conversion programs, pursuant
to which investors may use external  debt of a country, directly or  indirectly,
to  make investments in local companies. The  terms of the various programs vary
from country to country, although each program includes significant restrictions
on the  application  of the  proceeds  received in  the  conversion and  on  the
remittance  of profits on the  investment and of the  invested capital. The Fund
intends to acquire  Sovereign Debt, as  defined in the  Prospectus, to hold  and
trade in appropriate circumstances as described in the Prospectus, as well as to
participate  in Latin  American debt  conversion programs.  The Sub-adviser will
evaluate opportunities to enter into debt conversion transactions as they  arise
but  does not currently  intend to invest more  than 5% of  the Fund's assets in
such programs.
    
 
                   Statement of Additional Information Page 2
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
With respect to certain countries investments by the Fund presently may be  made
only  by acquiring  shares of  other investment  companies (including investment
vehicles or companies advised by the Sub-adviser or its affiliates  ("Affiliated
Funds")) with local governmental approval to invest in those countries. The Fund
may  invest  in the  securities of  closed-end  investment companies  within the
limits of the 1940 Act. These  limitations currently provide, in part, that  the
Fund  may purchase shares of  a closed-end investment company  unless (a) such a
purchase would cause the Fund to own in the aggregate more than 3 percent of the
total outstanding voting stock of the investment company or (b) such a  purchase
would cause the Fund to have more than 5 percent of its total assets invested in
the  investment company or more than 10  percent of its total assets invested in
the aggregate in all  such investment companies.  Investment in such  investment
companies  may involve  the payment of  substantial premiums above  the value of
such companies' portfolio securities. The Fund does not intend to invest in such
funds unless, in the judgment of the Sub-adviser, the potential benefits of such
investments justify the payment of any  applicable premiums. The return on  such
securities  will be  reduced by operating  expenses of  such companies including
payments to the investment managers of those investment companies. With  respect
to  investments in Affiliated Funds, the  Sub-adviser waives its advisory fee to
the extent that such fees are based on assets of the Fund invested in Affiliated
Funds. At such time as direct investment in these countries is allowed, the Fund
anticipates investing directly in these markets.
    
 
DEPOSITORY RECEIPTS
The Fund  may  hold  securities of  foreign  issuers  in the  form  of  American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs") or  other
securities  convertible  into  securities  of  eligible  foreign  issuers. These
securities may  not necessarily  be  denominated in  the  same currency  as  the
securities  for which they may be exchanged.  ADRs and ADSs are typically issued
by an American  bank or  trust company  which evidence  ownership of  underlying
securities  issued by a foreign corporation.  EDRs, which are sometimes referred
to as Continental Depository  Receipts ("CDRs"), are  receipts issued in  Europe
typically by foreign banks and trust companies that evidence ownership of either
foreign  or domestic securities. GDRs  are similar to EDRs  and are designed for
use in  several international  financial markets.  Generally, ADRs  and ADSs  in
registered  form are  designed for use  in United States  securities markets and
EDRs in bearer  form are designed  for use in  European securities markets.  For
purposes  of the  Fund's investment  policies, the  Fund's investments  in ADRs,
ADSs, GDRs and EDRs will  be deemed to be  investments in the equity  securities
representing securities of foreign issuers into which they may be converted.
 
ADR  facilities may be established as either "unsponsored" or "sponsored." While
ADRs issued under these  two types of facilities  are in some respects  similar,
there  are distinctions between  them relating to the  rights and obligations of
ADR holders and the practices of market participants. A depository may establish
an unsponsored  facility  without  participation by  (or  even  necessarily  the
acquiescence  of) the issuer of the deposited securities, although typically the
depository requests a  letter of  non-objection from  such issuer  prior to  the
establishment  of the facility.  Holders of unsponsored  ADRs generally bear all
the costs  of such  facilities. The  depository usually  charges fees  upon  the
deposit  and withdrawal of the deposited securities, the conversion of dividends
into  U.S.  dollars,  the  disposition   of  non-cash  distributions,  and   the
performance  of  other  services.  The  depository  of  an  unsponsored facility
frequently is  under  no  obligation to  distribute  shareholder  communications
received  from the issuer of the  deposited securities or to pass-through voting
rights to ADR  holders in  respect of  the deposited  securities. Sponsored  ADR
facilities  are created in generally the  same manner as unsponsored facilities,
except that  the  issuer of  the  deposited  securities enters  into  a  deposit
agreement  with the  depository. The deposit  agreement sets out  the rights and
responsibilities of  the  issuer,  the  depository and  the  ADR  holders.  With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository),  although ADR holders continue to bear certain other costs (such as
deposit and withdrawal fees).  Under the terms  of most sponsored  arrangements,
depositories  agree  to distribute  notices of  shareholder meetings  and voting
instructions, and to provide shareholder communications and other information to
the ADR holders at the  request of the issuer  of the deposited securities.  The
Fund may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants  or  rights  may be  acquired  by  the Fund  in  connection  with other
securities or separately and provide  the Fund with the  right to purchase at  a
later date other securities of the issuer.
 
LENDING OF PORTFOLIO SECURITIES
For  the purpose of realizing additional income, the Fund may make secured loans
of portfolio securities  amounting to  not more than  25% of  its total  assets.
Securities  loans are made to broker/dealers or institutional investors pursuant
to agreements requiring that the loans be continuously secured by collateral  at
least  equal at all times  to the value of the  securities lent plus any accrued
interest, "marked  to market"  on a  daily basis.  The Fund  may pay  reasonable
administrative
 
                   Statement of Additional Information Page 3
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
and  custodial  fees  in connection  with  loans  of its  securities.  While the
securities loan is outstanding, the Fund will continue to receive the equivalent
of the interest or dividends  paid by the issuer on  the securities, as well  as
interest  on the investment  of the collateral  or a fee  from the borrower. The
Fund will have a right  to call each loan and  obtain the securities within  the
stated  settlement  period. The  Fund will  not  have the  right to  vote equity
securities while they are lent, but it may call in a loan in anticipation of any
important vote. Loans will only be made to firms deemed by the Sub-adviser to be
of good  standing  and  will  not  be  made  unless,  in  the  judgment  of  the
Sub-adviser,  the consideration to  be earned from such  loans would justify the
risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For the  purposes  of  the  Fund's investment  policies  with  respect  to  bank
obligations,  obligations of foreign branches of U.S. banks and of foreign banks
are obligations of the issuing bank and may be general obligations of the parent
bank. Such  obligations may,  however, be  limited by  the terms  of a  specific
obligation  and  by  government  regulation.  As  with  investment  in  non-U.S.
securities in general,  investments in  the obligations of  foreign branches  of
U.S.  banks and of foreign  banks may subject the  Fund to investment risks that
are different  in some  respects from  those of  investments in  obligations  of
domestic  issuers. Although the  Fund will typically  acquire obligations issued
and supported by the credit of U.S. or foreign banks having total assets at  the
time  of purchase  in excess  of $1  billion, this  $1 billion  figure is  not a
fundamental investment policy or  restriction of the Fund.  For the purposes  of
calculation  with respect to the $1 billion figure, the assets of a bank will be
deemed to include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A repurchase agreement is a transaction  in which the Fund purchases a  security
from a bank or recognized securities dealer and simultaneously commits to resell
that  security to the bank  or dealer at an  agreed-upon price, date, and market
rate of  interest unrelated  to the  coupon rate  or maturity  of the  purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to  the repurchase  agreement becomes bankrupt,  the Fund intends  to enter into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present minimal credit risks  in accordance with  guidelines established by  the
Company's  Board  of  Trustees.  The Sub-adviser  will  review  and  monitor the
creditworthiness of such institutions under the Board's general supervision.
    
 
The Fund will invest only in  repurchase agreements collateralized at all  times
in  an amount at least  equal to the repurchase  price plus accrued interest. To
the extent that the proceeds from any sale of such collateral upon a default  in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer  a loss. If  the financial institution  which is party  to the repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other liquidation proceedings, there may  be restrictions on the Fund's  ability
to  sell the collateral and the Fund  could suffer a loss. However, with respect
to financial  institutions  whose  bankruptcy  or  liquidation  proceedings  are
subject  to the U.S. Bankruptcy Code, the Fund intends to comply with provisions
under the U.S.  Bankruptcy Code that  would allow it  immediately to resell  the
collateral.  There is no limitation on the  amount of the Fund's assets that may
be subject to repurchase agreements at any  given time. The Fund will not  enter
into  a repurchase agreement  with a maturity of  more than seven  days if, as a
result, more than 10% of the value of  its net assets would be invested in  such
repurchase agreements and other illiquid investments.
 
BORROWING AND REVERSE REPURCHASE AGREEMENTS
   
The  Fund's borrowings will not exceed 33 1/3% of the Fund's total assets, I.E.,
the Fund's total assets at all times will  equal at least 300% of the amount  of
outstanding  borrowings.  If  market fluctuations  in  the value  of  the Fund's
portfolio holdings or other factors cause  the ratio of the Fund's total  assets
to  outstanding borrowings to fall below 300%,  the Fund may be required to sell
portfolio securities  to  restore  300%  asset coverage,  even  though  from  an
investment  standpoint such  sales might be  disadvantageous. The  Fund also may
borrow up to 5% of  its total assets for  temporary or emergency purposes  other
than  to  meet  redemptions.  Any  borrowing  by  the  Fund  may  cause  greater
fluctuation in the value of  its shares than would be  the case if the Fund  did
not  borrow. The Fund's nonfundamental  investment limitations prohibit the Fund
from purchasing securities  during times when  outstanding borrowings  represent
more than 5% of its total assets.
    
 
   
The  Fund may  enter into  reverse repurchase  agreements. A  reverse repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security to another party, such as a  bank or broker/dealer in return for  cash,
and  agrees to repurchase  the security in  the future at  an agreed upon price,
which includes an interest component. The  Fund will segregate with a  custodian
cash or other liquid securities in an amount sufficient to cover its obligations
under  reverse  repurchase  agreements with  broker/dealers.  No  segregation is
required for reverse repurchase agreements with banks.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
SHORT SALES
The Fund  may  make  short sales  of  securities,  although it  has  no  current
intention  of doing so. A short sale is  a transaction in which the Fund sells a
security in anticipation that  the market price of  that security will  decline.
The  Fund may  make short  sales (i) as  a form  of hedging  to offset potential
declines in long positions in securities it owns, or anticipates acquiring,  and
(ii) in order to maintain portfolio flexibility.
 
When  the Fund makes a short sale of a  security it does not own, it must borrow
the  security  sold  short  and  deliver  it  to  the  broker-dealer  or   other
intermediary  through which it made  the short sale. The Fund  may have to pay a
fee to borrow particular securities and will often be obligated to pay over  any
payments received on such borrowed securities.
 
The  Fund's obligation  to replace the  borrowed security when  the borrowing is
called or expires will be secured by collateral deposited with the intermediary.
The Fund will also be required to  deposit collateral with its custodian to  the
extent,  if any, necessary so that the  value of both collateral deposits in the
aggregate is at all times equal to at least 100% of the current market value  of
the  security sold short.  Depending on arrangements  made with the intermediary
from which it borrowed the security regarding payment of any amounts received by
the Fund on  such security,  the Fund may  not receive  any payments  (including
interest) on its collateral deposited with such intermediary.
 
If  the price of the security sold short increases between the time of the short
sale and the time the Fund replaces the borrowed security, the Fund will incur a
loss; conversely, if the price declines, the Fund will realize a gain. Any  gain
will  be decreased, and any loss  increased, by the transaction costs associated
with the transaction. Although the Fund's gain is limited by the price at  which
it sold the security short, its potential loss is theoretically unlimited.
 
The  Fund will not make a  short sale if, after giving  effect to such sale, the
market value of the securities sold short exceeds 25% of the value of its  total
assets  or the Fund's aggregate short sales  of the securities of any one issuer
exceed the lesser of 2% of the Fund's net assets or 2% of the securities of  any
class  of the  issuer. Moreover, the  Fund may  engage in short  sales only with
respect to securities  listed on a  national securities exchange.  The Fund  may
make  short sales "against the box" without respect to such limitations. In this
type of short sale, at the  time of the sale the  Fund owns the security it  has
sold  short  or has  the  immediate and  unconditional  right to  acquire  at no
additional cost the identical security.
 
TEMPORARY DEFENSIVE STRATEGIES
The Latin America Growth Fund may invest in the following types of money  market
securities  (i.e., debt  instruments with  less than  12 months  remaining until
maturity) denominated in U.S. dollars or  in the currency of any Latin  American
country,  which consist of: (a) obligations issued or guaranteed by (i) the U.S.
government or the  government of  a Latin  American country,  their agencies  or
instrumentalities,  or municipalities; (ii) international organizations designed
or supported  by  multiple foreign  governmental  entities to  promote  economic
reconstruction  or development  ("supranational entities");  (b) finance company
obligations,  corporate  commercial  paper   and  other  short-term   commercial
obligations;  (c)  bank  obligations (including  certificates  of  deposit, time
deposits, demand deposits  and bankers' acceptances)  (d) repurchase  agreements
with  respect to the  foregoing; and (e)  other substantially similar short-term
debt securities with comparable risk characteristics.
 
The Latin America Growth Fund may invest in commercial paper rated as low as A-3
by S&P or P-3 by Moody's. Such obligations are considered to have an  acceptable
capacity  for timely repayment. However, these securities may be more vulnerable
to adverse effects or changes in circumstances than obligations carrying  higher
designations.
 
- --------------------------------------------------------------------------------
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The  use of options, futures contracts  and forward currency contracts ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1) Successful  use  of  most  of these  instruments  depends  upon  the
    Sub-adviser's  ability to  predict movements  of the  overall securities and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the use of these instruments, there can be no assurance that any  particular
    strategy adopted will succeed.
    
 
                   Statement of Additional Information Page 5
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
        (2)  There  might  be  imperfect correlation,  or  even  no correlation,
    between price  movements  of  an  instrument  and  price  movements  of  the
    investments being hedged. For example, if the value of an instrument used in
    a  short hedge  increased by less  than the  decline in value  of the hedged
    investment, the  hedge  would  not  be fully  successful.  Such  a  lack  of
    correlation  might  occur  due to  factors  unrelated  to the  value  of the
    investments being  hedged, such  as speculative  or other  pressures on  the
    markets  in which  the hedging  instrument is  traded. The  effectiveness of
    hedges using hedging  instruments on indices  will depend on  the degree  of
    correlation  between price movements in the index and price movements in the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or partially offsetting the negative  effect of unfavorable price  movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity  for gain by  offsetting the positive  effect of favorable price
    movements in the hedged investments. For example, if the Fund entered into a
    short hedge because the  Sub-adviser projected a decline  in the price of  a
    security  in the Fund's portfolio, and  the price of that security increased
    instead, the gain from that increase might be wholly or partially offset  by
    a  decline in the price of the hedging instrument. Moreover, if the price of
    the hedging instrument declined  by more than the  increase in the price  of
    the  security, the Fund could  suffer a loss. In  either such case, the Fund
    would have been in a better position had it not hedged at all.
    
 
        (4) As described below, the Fund might be required to maintain assets as
    "cover," maintain segregated accounts or make margin payments when it  takes
    positions  in  instruments  involving obligations  to  third  parties (I.E.,
    instruments other than purchased options). If the Fund were unable to  close
    out  its positions in such instruments, it  might be required to continue to
    maintain such assets or  accounts or make such  payments until the  position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a  disadvantageous time. The  Fund's ability to  close out a  position in an
    instrument prior to  expiration or maturity  depends on the  existence of  a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness  of the other party to the transaction ("contra party") to enter
    into a  transaction  closing  out  the  position.  Therefore,  there  is  no
    assurance  that any position can  be closed out at a  time and price that is
    favorable to the Fund.
 
WRITING CALL OPTIONS
   
The Fund may write  (sell) call options on  securities, indices and  currencies.
Call options will generally be written on securities and currencies that, in the
opinion of the Sub-adviser are not expected to make any major price moves in the
near  future  but  that,  over  the  long  term,  are  deemed  to  be attractive
investments for the Fund.
    
 
A call option  gives the  holder (buyer)  the right  to purchase  a security  or
currency  at a specified price (the exercise  price) at any time until (American
style) or on (European style) a certain  date (the expiration date). So long  as
the  obligation of the writer of a call  option continues, he may be assigned an
exercise notice, requiring him  to deliver the  underlying security or  currency
against  payment  of the  exercise price.  This  obligation terminates  upon the
expiration of the call option, or such earlier time at which the writer  effects
a  closing  purchase  transaction  by purchasing  an  option  identical  to that
previously sold.
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on the basis of  investment considerations consistent with the
Fund's investment objectives. When  writing a call option,  the Fund, in  return
for  the premium, gives up  the opportunity for profit  from a price increase in
the underlying security or  currency above the exercise  price, and retains  the
risk  of loss should the  price of the security  or currency decline. Unlike one
who owns securities  or currencies not  subject to  an option, the  Fund has  no
control  over  when it  may be  required  to sell  the underlying  securities or
currencies, since  most  options may  be  exercised at  any  time prior  to  the
option's  expiration. If a  call option that  the Fund has  written expires, the
Fund will realize a gain in the amount of the premium; however, such gain may be
offset by a decline in the market  value of the underlying security or  currency
during the option period. If the call option is exercised, the Fund will realize
a  gain or loss from the sale of the underlying security or currency, which will
be increased or offset  by the premium  received. The Fund  does not consider  a
security  or currency covered by  a call option to be  "pledged" as that term is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing call options can serve as a limited short hedge because declines in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
appreciates to a price higher than the exercise price of the call option, it can
be  expected that the option will be exercised and the Fund will be obligated to
sell the security or currency at less than its market value.
 
The premium  that the  Fund receives  for writing  a call  option is  deemed  to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of the
 
                   Statement of Additional Information Page 6
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
underlying  investment, the  relationship of the  exercise price  to such market
price, the historical  price volatility  of the underlying  investment, and  the
length  of the  option period. In  determining whether a  particular call option
should be  written, the  Sub-adviser  will consider  the reasonableness  of  the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing  transactions  will be  effected  in order  to  realize a  profit  on an
outstanding call  option, to  prevent an  underlying security  or currency  from
being  called, or  to permit  the sale of  the underlying  security or currency.
Furthermore, effecting  a closing  transaction  will permit  the Fund  to  write
another  call  option  on the  underlying  security  or currency  with  either a
different exercise price, expiration date or both.
 
The Fund will pay  transaction costs in connection  with the writing of  options
and  in entering into closing purchase  contracts. Transaction costs relating to
options activity  are normally  higher than  those applicable  to purchases  and
sales of portfolio securities.
 
The  exercise price of the  options may be below, equal  to or above the current
market values of the underlying securities or currencies at the time the options
are written. From time to time, the Fund may purchase an underlying security  or
currency  for delivery in accordance with the exercise of an option, rather than
delivering such  security  or  currency  from  its  portfolio.  In  such  cases,
additional costs will be incurred.
 
The  Fund will realize a  profit or loss from  a closing purchase transaction if
the cost of  the transaction  is less or  more, respectively,  than the  premium
received  from writing the  option. Because increases  in the market  price of a
call option  will  generally  reflect  increases in  the  market  price  of  the
underlying  security or  currency, any loss  resulting from the  repurchase of a
call option is likely to  be offset in whole or  in part by appreciation of  the
underlying security or currency owned by the Fund.
 
WRITING PUT OPTIONS
The  Fund may  write put  options on securities,  indices and  currencies. A put
option gives the  purchaser of  the option  the right  to sell,  and the  writer
(seller)  the  obligation to  buy, the  underlying security  or currency  at the
exercise price at  any time until  (American style) or  on (European style)  the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is substantially identical to that of call options.
 
   
The   Fund  would  generally  write  put  options  in  circumstances  where  the
Sub-adviser wishes  to purchase  the  underlying security  or currency  for  the
Fund's  portfolio at a price lower than the current market price of the security
or currency. In such  event, the Fund  would write a put  option at an  exercise
price  that, reduced by the  premium received on the  option, reflects the lower
price it is willing to pay. Since  the Fund would also receive interest on  debt
securities  or currencies maintained to cover  the exercise price of the option,
this technique could be used to enhance current return during periods of  market
uncertainty.  The risk in such  a transaction would be  that the market price of
the underlying security or currency would decline below the exercise price  less
the premium received.
    
 
Writing  put options can serve as a  limited long hedge because increases in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
depreciates to a price lower than the  exercise price of the put option, it  can
be expected that the put option will be exercised and the Fund will be obligated
to purchase the security or currency at more than its market value.
 
PURCHASING PUT OPTIONS
The  Fund may purchase put options on securities, indices and currencies. As the
holder of a put  option, the Fund  would have the right  to sell the  underlying
security or currency at the exercise price at any time until (American style) or
on  (European style) the expiration  date. The Fund may  enter into closing sale
transactions with  respect to  such options,  exercise them  or permit  them  to
expire.
 
The  Fund  may purchase  a  put option  on  an underlying  security  or currency
("protective put") owned by the Fund  to protect against an anticipated  decline
in  the value  of the  security or  currency. Such  protection is  provided only
during the life  of the  put option  when the  Fund, as  the holder  of the  put
option,  is able to sell the underlying security or currency at the put exercise
price regardless of  any decline in  the underlying security's  market price  or
currency's  exchange  value.  The  premium  paid  for  the  put  option  and any
transaction costs would reduce any  profit otherwise available for  distribution
when the security or currency is eventually sold.
 
The  Fund may also purchase put options at a time when the Fund does not own the
underlying security or  currency. By  purchasing put  options on  a security  or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it  has remaining value, and  if the market price  of the underlying security or
currency remains equal to or greater than the exercise price during the life  of
the put
 
                   Statement of Additional Information Page 7
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
option, the Fund will lose its entire investment in the put option. In order for
the  purchase  of  a  put option  to  be  profitable, the  market  price  of the
underlying security or  currency must  decline sufficiently  below the  exercise
price  to cover the premium and transaction costs, unless the put option is sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options on securities, indices and currencies. As the
holder of  a  call  option, the  Fund  would  have the  right  to  purchase  the
underlying  security  or  currency  at  the exercise  price  at  any  time until
(American style) or on (European style) the expiration date. The Fund may  enter
into  closing sale transactions  with respect to such  options, exercise them or
permit them to expire.
 
Call options may  be purchased  by the  Fund for  the purpose  of acquiring  the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase  of  call options  would enable  the  Fund to  acquire the  security or
currency at the  exercise price of  the call  option plus the  premium paid.  At
times,  the net cost of acquiring the security or currency in this manner may be
less than  the  cost  of  acquiring the  security  or  currency  directly.  This
technique  may  also  be useful  to  the Fund  in  purchasing a  large  block of
securities that would be more difficult  to acquire by direct market  purchases.
So  long as it holds such a call  option, rather than the underlying security or
currency itself, the Fund is partially protected from any unexpected decline  in
the  market price  of the  underlying security or  currency and,  in such event,
could allow the call option  to expire, incurring a loss  only to the extent  of
the premium paid for the option.
 
The  Fund also may purchase call  options on underlying securities or currencies
it owns  to avoid  realizing losses  that would  result in  a reduction  of  its
current  return. For  example, where the  Fund has  written a call  option on an
underlying security or currency having a current market value below the price at
which it purchased  the security or  currency, an increase  in the market  price
could  result in  the exercise of  the call option  written by the  Fund and the
realization of a loss on the  underlying security or currency. Accordingly,  the
Fund  could purchase a call option on  the same underlying security or currency,
which could be exercised  to fulfill the Fund's  delivery obligations under  its
written  call (if it is exercised). This  strategy could allow the Fund to avoid
selling the portfolio security or currency at  a time when it has an  unrealized
loss;  however, the Fund would have to pay a premium to purchase the call option
plus transaction costs.
 
Aggregate premiums paid  for put  and call  options will  not exceed  5% of  the
Fund's total assets at the time of purchase.
 
The Fund may attempt to accomplish objectives similar to those involved in using
Forward  Contracts by purchasing put or call options on currencies. A put option
gives the  Fund as  purchaser  the right  (but not  the  obligation) to  sell  a
specified  amount of currency at the exercise  price at any time until (American
style) or on (European style) the expiration date. A call option gives the  Fund
as  purchaser the right (but not the  obligation) to purchase a specified amount
of currency at  the exercise  price at  any time  until (American  style) or  on
(European  style) the  expiration date. The  Fund might purchase  a currency put
option, for example, to protect itself against a decline in the dollar value  of
a  currency  in  which  it  holds  or  anticipates  holding  securities.  If the
currency's value should decline against the  dollar, the loss in currency  value
should  be offset, in whole or in part, by  an increase in the value of the put.
If the value of the currency instead should rise against the dollar, any gain to
the Fund would  be reduced  by the premium  it had  paid for the  put option.  A
currency  call option might be purchased, for example, in anticipation of, or to
protect against, a rise in the value  against the dollar of a currency in  which
the Fund anticipates purchasing securities.
 
Options  may  be either  listed  on an  exchange  or traded  in over-the-counter
("OTC") markets. Listed options are third-party contracts (I.E., performance  of
the  obligations of the  purchaser and seller  is guaranteed by  the exchange or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates. The Fund will not  purchase an OTC option  unless it believes that  daily
valuations  for such  options are  readily obtainable.  OTC options  differ from
exchange-traded options in that OTC options are transacted with dealers directly
and  not  through  a   clearing  corporation  (which  guarantees   performance).
Consequently,  there  is  a risk  of  non-performance  by the  dealer.  Since no
exchange is involved, OTC options are valued  on the basis of an average of  the
last  bid prices obtained from dealers, unless  a quotation from only one dealer
is available, in which case only that  dealer's price will be used. In the  case
of  OTC options, there can  be no assurance that  a liquid secondary market will
exist for any particular option at any specific time.
 
The staff of the SEC considers purchased OTC options to be illiquid  securities.
The  Fund  may also  sell OTC  options and,  in connection  therewith, segregate
assets or cover its obligations with respect to OTC options written by the Fund.
The assets used as cover for OTC options written by the Fund will be  considered
illiquid unless the OTC options are sold to qualified dealers who agree that the
Fund may repurchase any OTC option it writes at a maximum price to be calculated
by  a formula  set forth in  the option agreement.  The cover for  an OTC option
written subject to this procedure would be
 
                   Statement of Additional Information Page 8
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
considered illiquid only to the extent  that the maximum repurchase price  under
the formula exceeds the intrinsic value of the option.
 
The  Fund's  ability to  establish and  close  out positions  in exchange-listed
options depends  on  the existence  of  a liquid  market.  The Fund  intends  to
purchase  or write only those exchange-traded options for which there appears to
be a liquid secondary  market. However, there  can be no  assurance that such  a
market  will exist at any particular time.  Closing transactions can be made for
OTC options  only  by  negotiating  directly  with the  contra  party  or  by  a
transaction in the secondary market if any such market exists. Although the Fund
will  enter into OTC  options only with  contra parties that  are expected to be
capable of  entering  into closing  transactions  with  the Fund,  there  is  no
assurance that the Fund will in fact be able to close out an OTC option position
at  a favorable  price prior to  expiration. In  the event of  insolvency of the
contra party, the Fund might  be unable to close out  an OTC option position  at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts  except that all settlements  are in cash and  gain or loss depends on
changes in the index in question (and thus on price movements in the  securities
market  or a particular market sector  generally) rather than on price movements
in individual securities or futures contracts. When the Fund writes a call on an
index, it receives a premium and agrees that, prior to the expiration date,  the
purchaser  of the call, upon exercise of the call, will receive from the Fund an
amount of cash if the closing level of the index upon which the call is based is
greater than the exercise price of the call. The amount of cash is equal to  the
difference  between the closing price of the index and the exercise price of the
call times a specified multiple  (the "multiplier"), which determines the  total
dollar  value for each point of such difference. When the Fund buys a call on an
index, it  pays a  premium  and has  the same  rights  as to  such call  as  are
indicated above. When the Fund buys a put on an index, it pays a premium and has
the  right, prior to the expiration date, to require the seller of the put, upon
the Fund's exercise of the put, to deliver to the Fund an amount of cash if  the
closing level of the index upon which the put is based is less than the exercise
price  of the  put, which  amount of  cash is  determined by  the multiplier, as
described above for calls. When the Fund writes a put on an index, it receives a
premium and  the purchaser  has the  right,  prior to  the expiration  date,  to
require  the Fund  to deliver to  it an amount  of cash equal  to the difference
between the  closing  level  of the  index  and  the exercise  price  times  the
multiplier, if the closing level is less than the exercise price.
 
The  risks  of  investment in  index  options  may be  greater  than  options on
securities. Because index options  are settled in cash,  when the Fund writes  a
call  on an  index it  cannot provide  in advance  for its  potential settlement
obligations by acquiring  and holding  the underlying securities.  The Fund  can
offset  some of the  risk of writing a  call index option  position by holding a
diversified portfolio of  securities similar  to those on  which the  underlying
index  is based. However,  the Fund cannot,  as a practical  matter, acquire and
hold a portfolio containing  exactly the same securities  as underlie the  index
and,  as a result, bears a risk that  the value of the securities held will vary
from the value of the index.
 
Even if the Fund could assemble  a securities portfolio that exactly  reproduced
the  composition of the  underlying index, it  still would not  be fully covered
from a risk standpoint  because of the "timing  risk" inherent in writing  index
options.  When an index option is exercised,  the amount of cash that the holder
is entitled to  receive is  determined by  the difference  between the  exercise
price  and the closing index level on the  date when the option is exercised. As
with other kinds of options, the Fund, as the call writer, will not know that it
has been assigned  until the next  business day  at the earliest.  The time  lag
between  exercise and  notice of assignment  poses no  risk for the  writer of a
covered call on a  specific underlying security, such  as common stock,  because
there  the writer's obligation is to deliver the underlying security, not to pay
its value as of a fixed time in the past. So long as the writer already owns the
underlying security,  it  can  satisfy  its  settlement  obligations  by  simply
delivering  it, and the risk that its value may have declined since the exercise
date is borne by the  exercising holder. In contrast, even  if the writer of  an
index call holds securities that exactly match the composition of the underlying
index,  it will not be able to  satisfy its assignment obligations by delivering
those securities against  payment of  the exercise  price. Instead,  it will  be
required  to pay  cash in  an amount  based on  the closing  index value  on the
exercise date; and by the  time it learns that it  has been assigned, the  index
may  have declined, with a corresponding decline  in the value of its securities
portfolio. This "timing risk" is an inherent limitation on the ability of  index
call writers to cover their risk exposure by holding securities positions.
 
If  the Fund purchases an index option and exercises it before the closing index
value for  that day  is  available, it  runs  the risk  that  the level  of  the
underlying  index may subsequently change. If such a change causes the exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between the closing index value and the exercise price of the option (times  the
applicable multiplier) to the assigned writer.
 
                   Statement of Additional Information Page 9
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
The  Fund may enter  into interest rate  or currency futures  contracts, and may
enter into stock  index futures contracts  (collectively, "Futures" or  "Futures
Contracts"),  as a hedge against changes in prevailing levels of interest rates,
currency exchange rates or  stock prices in order  to establish more  definitely
the effective return on securities or currencies held or intended to be acquired
by  the Fund. The Fund's transactions may  include sales of Futures as an offset
against the effect  of expected increases  in interest rates,  and decreases  in
currency  exchange rates and stock prices, and purchases of Futures as an offset
against the effect  of expected  declines in  interest rates,  and increases  in
currency exchange rates and stock prices.
 
The  Fund will  only enter  into Futures  Contracts that  are traded  on futures
exchanges and  are standardized  as to  maturity date  and underlying  financial
instrument.  Futures  exchanges and  trading thereon  in  the United  States are
regulated under  the Commodity  Exchange Act  by the  Commodity Futures  Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used  to reduce the Fund's exposure to interest rate, currency exchange rate and
stock market  fluctuations, the  Fund may  be able  to hedge  its exposure  more
effectively and at a lower cost through using Futures Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of a specified amount of a specific financial instrument (security
or currency) for  a specified price  at a  designated date, time  and place.  An
index Futures Contract provides for the delivery, at a designated date, time and
place,  of  an amount  of  cash equal  to a  specified  dollar amount  times the
difference between the index value at the  close of trading on the contract  and
the  price  at which  the  Futures Contract  is  originally struck;  no physical
delivery of the  securities comprising  the index  is made.  Brokerage fees  are
incurred  when a Futures Contract is bought or sold, and margin deposits must be
maintained at all times the Futures Contract is outstanding.
 
Although Futures Contracts typically require future delivery of and payment  for
financial  instruments or currencies,  Futures Contracts are  usually closed out
before the delivery date. Closing out an open Futures Contract sale or  purchase
is  effected by entering  into an offsetting Futures  Contract purchase or sale,
respectively,  for  the  same  aggregate  amount  of  the  identical   financial
instrument  or currency and  the same delivery date.  If the offsetting purchase
price is less than the original sale price,  the Fund realizes a gain; if it  is
more, the Fund realizes a loss. Conversely, if the offsetting sale price is more
than  the original purchase price, the Fund realizes  a gain; if it is less, the
Fund realizes  a loss.  The transaction  costs must  also be  included in  these
calculations.  There can be no assurance, however, that the Fund will be able to
enter into  an  offsetting transaction  with  respect to  a  particular  Futures
Contract  at  a particular  time.  If the  Fund  is not  able  to enter  into an
offsetting transaction, the Fund  will continue to be  required to maintain  the
margin deposits on the Futures Contract.
 
As  an example of an offsetting transaction, the contractual obligations arising
from the sale of one Futures Contract of September Treasury Bills on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of another  Futures Contract of  September Treasury Bills  on the  same
exchange. In such instance the difference between the price at which the Futures
Contract  was  sold  and  the  price paid  for  the  offsetting  purchase, after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The Fund's Futures transactions will be entered into for hedging purposes  only;
that  is, Futures  Contracts will be  sold to  protect against a  decline in the
price of securities or currencies that the Fund owns, or Futures Contracts  will
be  purchased to protect the Fund against an increase in the price of securities
or currencies it has committed to purchase or expects to purchase.
 
"Margin" with respect to Futures Contracts is  the amount of funds that must  be
deposited  by the Fund in order to  initiate Futures trading and to maintain the
Fund's open  positions in  Futures Contracts.  A margin  deposit made  when  the
Futures  Contract is entered  into ("initial margin") is  intended to assure the
Fund's performance  under  the  Futures  Contract. The  margin  required  for  a
particular Futures Contract is set by the exchange on which the Futures Contract
is  traded and may be  significantly modified from time  to time by the exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through  which the Fund  entered into  the Futures Contract
will be made on a daily basis as the price of the underlying security,  currency
or index fluctuates making the Futures Contract more or less valuable, a process
known as marking-to-market.
 
    RISKS  OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts are
volatile and  are influenced,  among  other things,  by actual  and  anticipated
changes  in  interest rates  and currency  exchange rates,  and in  stock market
movements, which  in turn  are  affected by  fiscal  and monetary  policies  and
national and international political and economic events.
 
                  Statement of Additional Information Page 10
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
There  is a risk of  imperfect correlation between changes  in prices of Futures
Contracts and prices  of the securities  or currencies in  the Fund's  portfolio
being   hedged.  The  degree   of  imperfection  of   correlation  depends  upon
circumstances such as: variations in  speculative market demand for Futures  and
for securities or currencies, including technical influences in Futures trading;
and   differences  between  the  financial  instruments  being  hedged  and  the
instruments underlying the standard Futures  Contracts available for trading.  A
decision of whether, when and how to hedge involves skill and judgment, and even
a  well-conceived hedge may be unsuccessful to some degree because of unexpected
market behavior or interest or currency rate trends.
 
Because of  the  low  margin  deposits required,  Futures  trading  involves  an
extremely  high  degree  of leverage.  As  a  result, a  relatively  small price
movement in a Futures Contract may result in immediate and substantial loss,  as
well  as gain, to the investor. For example,  if at the time of purchase, 10% of
the value  of the  Futures Contract  is deposited  as margin,  a subsequent  10%
decrease  in the value of  the Futures Contract would result  in a total loss of
the margin  deposit, before  any deduction  for the  transaction costs,  if  the
account  were then closed  out. A 15% decrease  would result in  a loss equal to
150% of the original  margin deposit, if the  Futures Contract were closed  out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily  limit establishes the maximum amount that the price of a Futures Contract
or option may vary either up or down from the previous day's settlement price at
the end  of a  trading session.  Once  the daily  limit has  been reached  in  a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a  particular trading day and therefore does not limit potential losses, because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and option  prices  have occasionally  moved  to  the daily  limit  for  several
consecutive  trading days with  little or no  trading, thereby preventing prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to the absence of a liquid secondary  market or the imposition of price  limits,
it  could incur  substantial losses.  The Fund would  continue to  be subject to
market risk with respect  to the position.  In addition, except  in the case  of
purchased  options,  the  Fund  would  continue to  be  required  to  make daily
variation margin payments and might be  required to maintain the position  being
hedged by the Future or option or to maintain cash or securities in a segregated
account.
 
Certain  characteristics  of the  Futures market  might  increase the  risk that
movements in the  prices of Futures  Contracts or options  on Futures might  not
correlate  perfectly  with  movements in  the  prices of  the  investments being
hedged. For example,  all participants  in the  Futures and  options on  Futures
markets  are subject to daily  variation margin calls and  might be compelled to
liquidate Futures  or  options on  Futures  positions whose  prices  are  moving
unfavorably  to avoid being  subject to further  calls. These liquidations could
increase price  volatility  of the  instruments  and distort  the  normal  price
relationship  between the Futures  or options and  the investments being hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous than  margin requirements  in  the securities  markets, there  might  be
increased   participation   by  speculators   in   the  Futures   markets.  This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage,  "program trading"  and other  investment strategies  might result in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options on Futures Contracts are similar to options on securities or  currencies
except that options on Futures Contracts give the purchaser the right, in return
for  the  premium paid,  to  assume a  position in  a  Futures Contract  (a long
position if the option is a call and a short position if the option is a put) at
a specified exercise price  at any time  during the period  of the option.  Upon
exercise  of the option, the  delivery of the Futures  position by the writer of
the option to the holder  of the option will be  accompanied by delivery of  the
accumulated balance in the writer's Futures margin account, which represents the
amount  by which the market price of  the Futures Contract, at exercise, exceeds
(in the case of  a call) or  is less than (in  the case of  a put) the  exercise
price  of the option on  the Futures Contract. If an  option is exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to  the difference between the exercise price  of
the  option and the  closing level of  the securities, currencies  or index upon
which the  Futures Contract  is  based on  the  expiration date.  Purchasers  of
options  who fail to exercise their options  prior to the exercise date suffer a
loss of the premium paid.
 
The purchase of  call options  on Futures  can serve as  a long  hedge, and  the
purchase  of put  options on Futures  can serve  as a short  hedge. Writing call
options on Futures can serve as a  limited short hedge, and writing put  options
on  Futures can serve as a limited long  hedge, using a strategy similar to that
used for writing options on securities, foreign currencies or indices.
 
                  Statement of Additional Information Page 11
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
If the Fund  writes an  option on  a Futures Contract,  it will  be required  to
deposit  initial and variation margin pursuant  to requirements similar to those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The Fund may seek to close out an option position by selling an option  covering
the  same Futures  Contract and  having the  same exercise  price and expiration
date. The  ability to  establish and  close  out positions  on such  options  is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
   
To the extent that  the Fund enters into  Futures Contracts, options on  Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange, in each case other than for BONA FIDE hedging purposes (as defined  by
the CFTC), the aggregate initial margin and premiums required to establish those
positions  (excluding the amount  by which options  are "in-the-money") will not
exceed 5% of the  liquidation value of the  Fund's portfolio, after taking  into
account  unrealized profits and unrealized losses  on any contracts the Fund has
entered into. In general, a call option on a Futures Contract is  "in-the-money"
if  the  value of  the  underlying Futures  Contract  exceeds the  strike, I.E.,
exercise,  price  of  the  call;  a   put  option  on  a  Futures  Contract   is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund may either
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular  foreign  currency forward,  for  example, when  it  holds securities
denominated in a  foreign currency but  anticipates, and seeks  to be  protected
against,  a decline in the currency against the U.S. dollar. Similarly, the Fund
might sell the U.S. dollar forward when it holds securities denominated in  U.S.
dollars,  but anticipates, and seeks  to be protected against,  a decline in the
U.S. dollar relative  to other currencies.  Further, the Fund  might purchase  a
currency  forward  to "lock  in"  the price  of  securities denominated  in that
currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S.  or foreign  banks and  securities or  currency dealers  in accordance with
guidelines approved by the Company's Board of Trustees.
    
 
The Fund  may enter  into  Forward Contracts  either  with respect  to  specific
transactions  or with  respect to  the Fund's  portfolio positions.  The precise
matching of the Forward  Contract amounts and the  value of specific  securities
will  not generally be possible  because the future value  of such securities in
foreign currencies will change as a consequence of market movements in the value
of those securities between  the date the Forward  Contract is entered into  and
the  date it matures. Accordingly, it may  be necessary for the Fund to purchase
additional foreign  currency on  the  spot (I.E.,  cash)  market (and  bear  the
expense  of such purchase) if the market value  of the security is less than the
amount of foreign currency the Fund is obligated to deliver and if a decision is
made to sell the security and make delivery of the foreign currency. Conversely,
it may be necessary to sell on the spot market some of the foreign currency  the
Fund  is  obligated to  deliver. The  projection  of short-term  currency market
movements is extremely difficult, and  the successful execution of a  short-term
hedging  strategy is highly  uncertain. Forward Contracts  involve the risk that
anticipated currency movements  will not  be accurately  predicted, causing  the
Fund to sustain losses on these contracts and transaction costs.
 
At  or before the  maturity of a Forward  Contract requiring the  Fund to sell a
currency, the  Fund  may either  sell  a portfolio  security  and use  the  sale
proceeds  to make delivery of the currency or retain the security and offset its
contractual obligation to deliver the  currency by purchasing a second  contract
pursuant  to which  the Fund will  obtain, on  the same maturity  date, the same
amount of the currency that it is obligated to deliver. Similarly, the Fund  may
close  out a Forward Contract  requiring it to purchase  a specified currency by
entering into a  second contract, if  its contra party  agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund would  realize a gain  or loss as a  result of entering  into
such  an offsetting Forward Contract under either circumstance to the extent the
exchange rate  or  rates  between  the currencies  involved  moved  between  the
execution dates of the first contract and the offsetting contract.
 
                  Statement of Additional Information Page 12
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
The  cost to the Fund of engaging  in Forward Contracts varies with factors such
as the currencies  involved, the length  of the contract  period and the  market
conditions  then prevailing. Because Forward  Contracts are usually entered into
on a principal basis, no  fees or commissions are  involved. The use of  Forward
Contracts  does  not  eliminate fluctuations  in  the prices  of  the underlying
securities the Fund owns or intends to acquire, but it does establish a rate  of
exchange in advance. In addition, while Forward Contract sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The  Fund may use options on  foreign currencies, Futures on foreign currencies,
options on Futures on foreign currencies and Forward Contracts to hedge  against
movements in the values of the foreign currencies in which the Fund's securities
are  denominated. Such currency hedges can  protect against price movements in a
security that  the Fund  owns or  intends to  acquire that  are attributable  to
changes  in the value of the currency in which it is denominated. Such hedges do
not, however,  protect  against  price  movements in  the  securities  that  are
attributable to other causes.
 
   
The  Fund  might seek  to hedge  against changes  in the  value of  a particular
currency when no  Futures Contract,  Forward Contract or  option involving  that
currency  is available or one  of such contracts is  more expensive than certain
other contracts. In such  cases, the Fund may  hedge against price movements  in
that  currency by  entering into  a contract  on another  currency or  basket of
currencies, the values of  which the Sub-adviser believes  will have a  positive
correlation  to the value of the currency  being hedged. The risk that movements
in the price of the contract will not correlate perfectly with movements in  the
price of the currency being hedged is magnified when this strategy is used.
    
 
The  value of Futures Contracts, options on Futures Contracts, Forward Contracts
and options  on  foreign currencies  depends  on  the value  of  the  underlying
currency  relative  to the  U.S. dollar.  Because foreign  currency transactions
occurring in the  interbank market  might involve  substantially larger  amounts
than  those  involved in  the  use of  Futures  Contracts, Forward  Contracts or
options, the  Fund could  be disadvantaged  by  dealing in  the odd  lot  market
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying foreign currencies at prices that  are less favorable than for  round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or  any  regulatory requirements  that quotations  available through  dealers or
other market sources be firm or revised on a timely basis. Quotation information
generally is representative of very  large transactions in the interbank  market
and  thus  might not  reflect  odd-lot transactions  where  rates might  be less
favorable.  The   interbank  market   in  foreign   currencies  is   a   global,
round-the-clock  market. To the  extent the U.S. options  or Futures markets are
closed while the markets for the underlying currencies remain open,  significant
price  and rate movements might take place in the underlying markets that cannot
be reflected in  the markets  for the Futures  contracts or  options until  they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies  might  be required  to  take place  within  the country  issuing the
underlying currency. Thus the Fund might be required to accept or make  delivery
of  the  underlying foreign  currency  in accordance  with  any U.S.  or foreign
regulations regarding the  maintenance of foreign  banking arrangements by  U.S.
residents  and might be required  to pay any fees,  taxes and charges associated
with such delivery assessed in the issuing country.
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased by  the Fund)  expose the  Fund to  an obligation  to another
party. The Fund will not enter into any such transactions unless it owns  either
(1)  an  offsetting ("covered")  position  in securities,  currencies,  or other
options, Forward Contracts or  Futures Contracts, or  (2) cash, receivables  and
short-term  debt securities with  a value sufficient  at all times  to cover its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of the Fund's assets are used for cover or otherwise set aside, it could  affect
portfolio  management or the Fund's ability to meet redemption requests or other
current obligations.
 
                  Statement of Additional Information Page 13
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The Fund  may  invest up  to  10% of  its  net assets  in  illiquid  securities.
Securities  may  be considered  illiquid if  the  Fund cannot  reasonably expect
within seven days to sell the  securities for approximately the amount at  which
the Fund values such securities. The sale of illiquid securities, if they can be
sold  at all, generally  will require more  time and result  in higher brokerage
charges or dealer  discounts and other  selling expenses than  will the sale  of
liquid  securities such  as securities eligible  for trading  on U.S. securities
exchanges or in the  over-the-counter markets. Moreover, restricted  securities,
which may be illiquid for purposes of this limitation, often sell, if at all, at
a  price lower than similar  securities that are not  subject to restrictions on
resale.
 
Illiquid securities include those that are subject to restrictions contained  in
the  securities laws  of other  countries. However,  securities that  are freely
marketable in the country  where they are principally  traded, but would not  be
freely  marketable in the United States,  will not be considered illiquid. Where
registration is required, the Fund  may be obligated to pay  all or part of  the
registration  expenses and a considerable period  may elapse between the time of
the decision to sell and the time the  Fund may be permitted to sell a  security
under  an effective  registration statement. If,  during such  a period, adverse
market conditions were to develop, the Fund might obtain a less favorable  price
than prevailed when it decided to sell.
 
Not   all  restricted  securities   are  illiquid.  In   recent  years  a  large
institutional  market  has  developed  for  certain  securities  that  are   not
registered  under the Securities Act of 1933, as amended ("1933 Act"), including
private placements, repurchase agreements, commercial paper, foreign  securities
and corporate bonds and notes. These instruments are often restricted securities
because  the  securities are  sold in  transactions not  requiring registration.
Institutional investors generally will not seek to sell these instruments to the
general  public,  but  instead  will   often  depend  either  on  an   efficient
institutional market in which such unregistered securities can be readily resold
or  on an issuer's ability to honor  a demand for repayment. Therefore, the fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule 144A under the 1933 Act  establishes a "safe harbor" from the  registration
requirements  of the  1933 Act  for resales  of certain  securities to qualified
institutional buyers.  Institutional  markets  for  restricted  securities  have
developed  as a result of Rule 144A, providing both readily ascertainable values
for restricted securities and the ability to liquidate an investment to  satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance  and  settlement of  unregistered securities  of domestic  and foreign
issuers, such as  the PORTAL  System sponsored  by the  National Association  of
Securities  Dealers,  Inc.  An insufficient  number  of  qualified institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
the Fund, however, could  affect adversely the  marketability of such  portfolio
securities  and the Fund might be unable  to dispose of such securities promptly
or at favorable prices.
 
   
With respect  to  liquidity determinations  generally,  the Company's  Board  of
Trustees  has  the  ultimate  responsibility  for  determining  whether specific
securities, including restricted securities pursuant to Rule 144A under the 1933
Act, are liquid  or illiquid.  The Board has  delegated the  function of  making
day-to-day  determinations of  liquidity to  the Sub-adviser  in accordance with
procedures approved by the  Company's Board of  Trustees. The Sub-adviser  takes
into account a number of factors in reaching liquidity decisions, including, but
not limited to: (i) the frequency of trading in the security; (ii) the number of
dealers  who make quotes for the security; (iii) the number of dealers that have
undertaken to make a market in the security; (iv) the number of other  potential
purchasers;  and (v)  the nature  of the  security and  how trading  is effected
(e.g., the time needed to  sell the security, how  offers are solicited and  the
mechanics  of transfer). The Sub-adviser monitors the liquidity of securities in
the Fund's portfolio and periodically  reports such determinations to the  Board
of  Trustees. Moreover, as noted in  the Prospectus, certain securities, such as
those subject  to  repatriation  restrictions  of more  than  seven  days,  will
generally be treated as illiquid. If the liquidity percentage restriction of the
Fund  is satisfied at the time of investment, a later increase in the percentage
of illiquid securities held by the Fund resulting from a change in market  value
or assets will not constitute a violation of that restriction. If as a result of
a  change in market value or assets,  the percentage of illiquid securities held
by the Fund  increases above  the applicable  limit, the  Sub-adviser will  take
    
 
                  Statement of Additional Information Page 14
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
appropriate  steps to bring the aggregate  amount of illiquid assets back within
the prescribed  limitations  as  soon as  reasonably  practicable,  taking  into
account the effect of any disposition on the Fund.
    
 
More than 10% of the Fund's total assets may consist of illiquid securities from
time to time either because of adverse events which occur following the purchase
of  the  securities  which  cause  them to  become  illiquid  or  because liquid
securities are sold  to meet  redemption requests or  other needs  of the  Fund.
Illiquid  securities are more difficult to  value accurately due to, among other
things, the  fact that  such  securities often  trade  infrequently or  only  in
smaller amounts.
 
FOREIGN SECURITIES
    POLITICAL,  SOCIAL  AND ECONOMIC  RISKS.  Investing in  securities  of Latin
American companies may entail additional  risks due to the potential  political,
social   and  economic  instability  of  certain  countries  and  the  risks  of
expropriation, nationalization, confiscation or  the imposition of  restrictions
on  foreign investment,  convertibility of currencies  into U.S.  dollars and on
repatriation  of  capital  invested.  In   the  event  of  such   expropriation,
nationalization  or other confiscation  by any country, the  Fund could lose its
entire investment in any such country.
 
In addition,  even  though  opportunities  for investment  may  exist  in  Latin
American  countries, any change in the leadership or policies of the governments
of those countries  or in  the leadership or  policies of  any other  government
which  exercises  a significant  influence over  those  countries, may  halt the
expansion of or reverse  the liberalization of  foreign investment policies  now
occurring and thereby eliminate any investment opportunities which may currently
exist.
 
Investors should note that upon the accession to power of authoritarian regimes,
the  governments of a number of Latin American countries previously expropriated
large quantities of real  and personal property, similar  to the property  which
will  be represented  by the  securities purchased  by the  Fund. The  claims of
property owners against those governments were never finally settled. There  can
be  no assurance  that any property  represented by securities  purchased by the
Fund will not also be  expropriated, nationalized, or otherwise confiscated.  If
such  confiscation were to occur,  the Fund could lose  a substantial portion of
its investments in  such countries.  The Fund's investments  would similarly  be
adversely affected by exchange control regulations in any of those countries.
 
    RELIGIOUS  AND ETHNIC INSTABILITY.  Certain countries in  which the Fund may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of  property owned by individuals and entities foreign to such country and could
cause the loss of the Fund's investment in those countries. Instability may also
result from,  among  other things:  (i)  authoritarian governments  or  military
involvement  in  political and  economic  decision-making, including  changes in
government through extra-constitutional  means; (ii)  popular unrest  associated
with  demands for improved political, economic  and social conditions; and (iii)
hostile relations with  neighboring or other  countries. Such political,  social
and  economic instability could disrupt the principal financial markets in which
the Fund invests and adversely affect the value of the Fund's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial  restrictions on investments in  their capital markets, particularly
their equity markets, by foreign entities  such as the Fund. These  restrictions
or  controls may at times limit or preclude investment in certain securities and
may increase the cost and expenses  of the Fund. For example, certain  countries
require prior governmental approval before investments by foreign persons may be
made,  or limit  the amount  of investment  by foreign  persons in  a particular
company, or limit the investment by foreign persons to only a specific class  of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of  certain  countries  may  restrict  investment  opportunities  in  issuers or
industries deemed sensitive to national  interests. In addition, some  countries
require governmental approval for the repatriation of investment income, capital
or  the proceeds of securities sales by foreign investors. In addition, if there
is a deterioration in a  country's balance of payments  or for other reasons,  a
country  may impose restrictions on foreign capital remittances abroad. The Fund
could be adversely affected by  delays in, or a  refusal to grant, any  required
governmental  approval for repatriation, as well as  by the application to it of
other restrictions on investments.
 
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION. Foreign companies are subject to accounting, auditing and  financial
standards  and requirements that differ, in some cases significantly, from those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing on the  financial statements  of such a  company may  not reflect  its
financial  position or results of operations in  the way they would be reflected
had such financial statements  been prepared in  accordance with U.S.  generally
accepted  accounting principles. Most of the foreign securities held by the Fund
will not be registered with  the SEC or regulators  of any foreign country,  nor
will  the issuers thereof be subject  to the SEC's reporting requirements. Thus,
there will  be less  available information  concerning most  foreign issuers  of
securities  held  by the  Fund  than is  available  concerning U.S.  issuers. In
instances   where   the   financial   statements   of   an   issuer   are    not
 
                  Statement of Additional Information Page 15
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
deemed  to  reflect  accurately  the  financial  situation  of  the  issuer, the
Sub-adviser will take  appropriate steps  to evaluate  the proposed  investment,
which  may  include  on-site  inspection  of  the  issuer,  interviews  with its
management and consultations  with accountants, bankers  and other  specialists.
There  is  substantially  less  publicly  available  information  about  foreign
issuers, including  Latin  American  companies  and  the  governments  of  Latin
American  countries, than  there are  reports and  ratings published  about U.S.
companies and  the U.S.  government. In  addition, where  public information  is
available, it may be less reliable than such information regarding U.S. issuers.
In  addition,  for companies  that keep  accounting  records in  local currency,
inflation accounting rules in  some Latin American  countries require, for  both
tax  and accounting purposes, that certain assets and liabilities be restated on
the company's balance sheet in  order to express items  in terms of currency  of
constant  purchasing power. Inflation accounting  may indirectly generate losses
or profits. Issuers  of securities  in foreign jurisdictions  are generally  not
subject  to the same  degree of regulation  as are U.S.  issuers with respect to
such matters  as restrictions  on market  manipulation, insider  trading  rules,
shareholder proxy requirements and timely disclosure of information.
    
 
    CURRENCY  FLUCTUATIONS.  Because the  Fund  under normal  circumstances will
invest a substantial portion  of its total assets  in the securities of  foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the  U.S. dollar against  such foreign currencies  will account for  part of the
Fund's investment performance. A decline in the value of any particular currency
against the U.S. dollar  will cause a  decline in the U.S.  dollar value of  the
Fund's  holdings  of  securities  and cash  denominated  in  such  currency and,
therefore, will cause an overall decline in  the Fund's net asset value and  any
net  investment  income and  capital gains  derived from  such securities  to be
distributed in U.S. dollars to shareholders of the Fund. Moreover, if the  value
of  the foreign currencies in which the  Fund receives its income falls relative
to the  U.S.  dollar between  receipt  of the  income  and the  making  of  Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions  if  the  Fund  has  insufficient cash  in  U.S.  dollars  to meet
distribution requirements.
 
The rate of exchange between the U.S. dollar and other currencies is  determined
by  several factors including  the supply and  demand for particular currencies,
central bank efforts to support particular currencies, the movement of  interest
rates,  and pace  of business  activity in  the other  countries and  the United
States, and other economic and financial conditions affecting the world economy.
 
Although the Fund values  its assets daily  in terms of  U.S. dollars, the  Fund
does  not intend to convert its holdings of foreign currencies into U.S. dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware of the costs of currency conversion. Although foreign exchange dealers  do
not  charge  a  fee  for conversion,  they  do  realize a  profit  based  on the
difference (the  "spread") between  the  prices at  which  they are  buying  and
selling  various currencies. Thus, a dealer may offer to sell a foreign currency
to the Fund at  one rate, while  offering a lesser rate  of exchange should  the
Fund desire to sell that currency to the dealer.
 
Certain   Latin  American  countries  may  have  managed  currencies  which  are
maintained at  artificial  levels to  the  U.S.  dollar rather  than  at  levels
determined  by the  market. This  type of  system can  lead to  sudden and large
adjustments in the currency which, in  turn, can have a disruptive and  negative
effect  on foreign investors. For example, in late 1994 the value of the Mexican
peso lost more than one-third of its value relative to the dollar. Certain Latin
American countries also may restrict the free conversion of their currency  into
foreign  currencies, including the U.S. dollar.  There is no significant foreign
exchange market for certain currencies and  it would, as a result, be  difficult
for  the Fund to engage in foreign currency transactions designed to protect the
value of  the  Fund's  certain  interests  in  securities  denominated  in  such
currencies.
 
   
    ADVERSE  MARKET CHARACTERISTICS. Securities  of many foreign  issuers may be
less liquid and their  prices more volatile than  securities of comparable  U.S.
issuers.  In  addition, foreign  securities  markets and  brokers  are generally
subject to  less governmental  supervision  and regulation  than in  the  United
States,  and  foreign  securities  transactions  are  usually  subject  to fixed
commissions, which  are generally  higher than  negotiated commissions  on  U.S.
transactions.  In addition,  foreign securities  transactions may  be subject to
difficulties associated  with the  settlement of  such transactions.  Delays  in
settlement  could  result  in temporary  periods  when  assets of  the  Fund are
uninvested and no return is  earned thereon. The inability  of the Fund to  make
intended  security purchases due to settlement  problems could cause the Fund to
miss attractive investment  opportunities. Inability to  dispose of a  portfolio
security  due to settlement problems  either could result in  losses to the Fund
due to subsequent declines in  value of the portfolio  security or, if the  Fund
has  entered into  a contract  to sell  the security,  could result  in possible
liability to the purchaser. The Sub-adviser will consider such difficulties when
determining the allocation of the  Fund's assets, although the Sub-adviser  does
not  believe that such difficulties  will have a material  adverse effect on the
Fund's portfolio trading activities.
    
 
A high proportion of the shares of many Latin American companies may be held  by
a  limited  number of  persons, which  may  further limit  the number  of shares
available for investment by the  Fund. A limited number  of issuers in most,  if
not all,
 
                  Statement of Additional Information Page 16
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
Latin  American  securities  markets may  represent  a  disproportionately large
percentage of market capitalization and trading value. The limited liquidity  of
Latin  American securities markets also may affect the Fund's ability to acquire
or dispose of securities at the price and time it wishes to do so. In  addition,
certain Latin American securities markets, including those of Argentina, Brazil,
Chile and Mexico, are susceptible to being influenced by large investors trading
significant  blocks  of  securities  or  by  large  dispositions  of  securities
resulting from the failure to meet margin calls when due.
 
The high volatility of certain Latin American securities markets is evidenced by
dramatic movements in the  Brazilian and Mexican markets  in recent years.  This
market volatility may result in greater volatility in the Fund's net asset value
than  would be the case  for companies investing in  domestic securities. If the
Fund were to experience unexpected net  redemptions, it could be forced to  sell
securities  in  its  portfolio  without  regard  to  investment  merit,  thereby
decreasing the asset base  over which Fund expenses  can be spread and  possibly
reducing the Fund's rate of return.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  EMERGING  MARKETS.  Emerging  securities
markets, such as the markets of  Latin America, are substantially smaller,  less
developed,  less liquid and more volatile than the major securities markets. The
limited size  of  emerging securities  markets  and limited  trading  volume  in
issuers  compared to the volume of trading in U.S. securities could cause prices
to be erratic  for reasons apart  from factors  that affect the  quality of  the
securities.  For  example, limited  market size  may cause  prices to  be unduly
influenced by  traders  who  control  large  positions.  Adverse  publicity  and
investors'  perceptions,  whether  or  not based  on  fundamental  analysis, may
decrease the value and  liquidity of portfolio  securities, especially in  these
markets.  In  addition, securities  traded in  certain  emerging markets  may be
subject to risks due to the inexperience of financial intermediaries, a lack  of
modern  technology, the  lack of  a sufficient  capital base  to expand business
operations, and  the  possibility  of  permanent  or  temporary  termination  of
trading.
 
Settlement  mechanisms in emerging securities markets  may be less efficient and
reliable than in  more developed  markets. In such  emerging securities  markets
there may be share registration and delivery delays or failures.
 
Most  Latin American countries have experienced substantial, and in some periods
extremely high, rates of inflation  for many years. This  has, in turn, lead  to
high  interest rates, extreme measures by governments to keep inflation in check
and a  generally debilitating  effect on  economic growth.  Inflation and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and  may  continue to  have  negative effects  on  the economies  and securities
markets of certain Latin American countries.
 
It should  be noted  that  some Latin  American countries  require  governmental
approval  for the repatriation of investment  income, capital or the proceeds of
securities sales  by  foreign  investors.  For  instance,  at  present,  capital
invested directly in Chile cannot under most circumstances be repatriated for at
least  one year. The Fund could be adversely affected by delays in, or a refusal
to grant, any required governmental approval for repatriation, as well as by the
application to it of other restrictions on investments.
 
    SOVEREIGN DEBT. Sovereign Debt generally offers high yields, reflecting  not
only  perceived  credit risk,  but also  the  need to  compete with  other local
investments in domestic financial markets. Certain Latin American countries  are
among  the  largest  debtors  to commercial  banks  and  foreign  governments. A
sovereign debtor's willingness or ability to repay principal and interest due in
a timely  manner  may  be  affected  by, among  other  factors,  its  cash  flow
situation,  the extent of  its foreign reserves,  the availability of sufficient
foreign exchange on the  date a payment  is due, the relative  size of the  debt
service  burden to the economy as a whole, the sovereign debtor's policy towards
the International  Monetary  Fund  and  the political  constraints  to  which  a
sovereign  debtor  may  be  subject.  Sovereign  debtors  may  default  on their
Sovereign  Debt.  Sovereign   debtors  may   also  be   dependent  on   expected
disbursements  from foreign governments, multilateral agencies and others abroad
to reduce principal and interest arrearages on their debt. The commitment on the
part of these governments, agencies and others to make such disbursements may be
conditioned on a  sovereign debtor's implementation  of economic reforms  and/or
economic  performance  and  the  timely service  of  such  debtor's obligations.
Failure to implement such reforms,  achieve such levels of economic  performance
or  repay principal or interest when due, may result in the cancellation of such
third parties' commitments  to lend  funds to  the sovereign  debtor, which  may
further impair such debtor's ability or willingness to timely service its debts.
 
In  recent years, some of the Latin American countries in which the Fund expects
to invest have encountered difficulties in servicing their Sovereign Debt.  Some
of  these  countries  have withheld  payments  of interest  and/or  principal of
Sovereign Debt. These difficulties  have also led  to agreements to  restructure
external  debt obligations -- in particular, commercial bank loans, typically by
rescheduling principal  payments,  reducing  interest rates  and  extending  new
credits to finance interest payments on existing debt. In the future, holders of
Sovereign  Debt may be requested to participate in similar reschedulings of such
debt.
 
                  Statement of Additional Information Page 17
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
The ability  of Latin  American governments  to make  timely payments  on  their
Sovereign  Debt is likely  to be influenced  strongly by a  country's balance of
trade and its access to trade  and other international credits. A country  whose
exports  are concentrated in a few commodities  could be vulnerable to a decline
in the  international prices  of  one or  more  of such  commodities.  Increased
protectionism  on the part of a  country's trading partners could also adversely
affect its  exports.  Such  events  could diminish  a  country's  trade  account
surplus,  if any. To the extent that  a country receives payment for its exports
in currencies other  than hard  currencies, its  ability to  make hard  currency
payments could be affected.
 
   
The  occurrence of political, social or diplomatic changes in one or more of the
countries issuing Sovereign Debt could adversely affect the Fund's  investments.
The  countries  issuing such  instruments are  faced  with social  and political
issues and some of them have experienced high rates of inflation in recent years
and have  extensive  internal debt.  Among  other effects,  high  inflation  and
internal   debt  service  requirements   may  adversely  affect   the  cost  and
availability of  future domestic  sovereign  borrowing to  finance  governmental
programs,   and  may   have  other   adverse  social,   political  and  economic
consequences. Political  changes  or a  deterioration  of a  country's  domestic
economy  or balance of trade may affect  the willingness of countries to service
their Sovereign  Debt.  While  the  Sub-adviser intends  to  manage  the  Fund's
portfolio  in a manner that will minimize  the exposure to such risks, there can
be no assurance that adverse political changes will not cause the Fund to suffer
a loss of interest or principal on any of its holdings.
    
 
Periods of economic uncertainty may result in the volatility of market prices of
Sovereign Debt and in turn, the Fund's net asset value, to a greater extent than
the volatility inherent in domestic securities. The value of Sovereign Debt will
likely vary  inversely with  changes  in prevailing  interest rates,  which  are
subject  to considerable variance in the  international market. If the Fund were
to experience unexpected  net redemptions, it  may be forced  to sell  Sovereign
Debt in its portfolio without regard to investment merit, thereby decreasing its
asset base over which Fund expenses can be spread and possibly reducing its rate
of return.
 
    WITHHOLDING TAXES. The Fund's net investment income from foreign issuers may
be  subject  to  withholding  taxes by  the  foreign  issuer's  country, thereby
reducing the Fund's  net investment  income or  delaying the  receipt of  income
where those taxes may be recaptured. See "Taxes."
 
- --------------------------------------------------------------------------------
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
The  Fund  has  adopted  the  following  investment  limitations  as fundamental
policies which (unless otherwise noted) may  not be changed without approval  by
the  holders of  the lesser  of (i) 67%  of the  Fund's shares  represented at a
meeting at which more  than 50% of the  outstanding shares are represented,  and
(ii) more than 50% of the outstanding shares.
 
The Fund may not:
 
   
        (1)  Purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in real  estate and  investments in mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Fund may exercise rights under  agreements relating to such securities,
    including the right to  enforce security interests and  to hold real  estate
    acquired  by  reason  of such  enforcement  until  that real  estate  can be
    liquidated in an orderly manner;
    
 
   
        (3) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (4)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
                  Statement of Additional Information Page 18
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting borrowings) at the time of the borrowing, except that the  Fund
    may  borrow up to  an additional 5%  of its total  assets (not including the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6) Purchase or sell  physical commodities, but  the Fund may  purchase,
    sell  or enter into financial options and futures, forward and spot currency
    contracts, swap  transactions and  other financial  contracts or  derivative
    instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of   its  investable  assets  (cash,   securities  and  receivables  related  to
securities) in an  open-end management investment  company having  substantially
the same investment objective, policies and limitations as the Fund.
    
 
For  purposes of  the Fund's concentration  policy contained  in limitation (1),
above, the Fund intends  to comply with the  SEC staff position that  securities
issued  or  guaranteed  as  to  principal and  interest  by  any  single foreign
government are considered to be securities of issuers in the same industry.
 
   
The following operating policies  of the Fund are  not fundamental policies  and
may  be changed by vote  of the Company's Board  of Trustees without shareholder
approval. The Fund may not:
    
 
        (1) Invest in securities of an issuer if the investment would cause  the
    Fund to own more than 10% of any class of securities of any one issuer;
 
        (2)  Invest  in  companies  for the  purpose  of  exercising  control or
    management;
 
   
        (3) Invest  more than  10% of  its net  assets in  illiquid  securities,
    including securities that are illiquid by virtue of the absence of a readily
    available market;
    
 
   
        (4)  Enter into a futures contract, an  option on a futures contract, or
    an option on foreign currency traded  on a CFTC-regulated exchange, in  each
    case  other than for BONA FIDE hedging purposes (as defined by the CFTC), if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5% of  the liquidation  value of  the Fund's  portfolio, after  taking  into
    account  unrealized profits and unrealized losses  on any contracts the Fund
    has entered into;
    
 
   
        (5) Make any additional  investments while borrowings  exceed 5% of  the
    Fund's total assets;
    
 
   
        (6)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments; or
    
 
   
        (7) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
The  Fund has the authority to invest up to 10% of its total assets in shares of
other investment companies  pursuant to the  1940 Act. The  Fund may not  invest
more  than 5% of its total assets in  any one investment company or acquire more
than 3% of the outstanding voting securities of any one investment company.
 
Investors should refer to the Prospectus for further information with respect to
the Fund's investment objective, which may  not be changed without the  approval
of  the shareholders, and other investment policies, techniques and limitations,
which may be changed without shareholder approval.
 
                  Statement of Additional Information Page 19
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject to  policies  established  by  the  Company's  Board  of  Trustees,  the
Sub-adviser   is  responsible  for   the  execution  of   the  Fund's  portfolio
transactions and the selection of  broker/dealers who execute such  transactions
on behalf of the Fund. In executing transactions, the Sub-adviser seeks the best
net  results  for  the Fund,  taking  into  account such  factors  as  the price
(including the applicable brokerage  commission or dealer  spread), size of  the
order,  difficulty of execution and operational facilities of the firm involved.
While the Sub-adviser  generally seeks reasonably  competitive commission  rates
and  spreads,  payment of  the lowest  commission or  spread is  not necessarily
consistent with the best net results. While  the Fund may engage in soft  dollar
arrangements  for  research  services,  as  described  below,  the  Fund  has no
obligation to deal  with any  broker/dealer or  group of  broker/dealers in  the
execution of portfolio transactions.
    
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute  the  Fund's portfolio  transactions on  the basis  of the  research and
brokerage services they provide to the  Sub-adviser for its use in managing  the
Fund  and  its other  advisory accounts.  Such  services may  include furnishing
analyses, reports and  information concerning  issuers, industries,  securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance of accounts;  and effecting securities  transactions and  performing
functions  incidental thereto (such  as clearance and  settlement). Research and
brokerage services received  from such brokers  are in addition  to, and not  in
lieu  of, the  services required  to be performed  by the  Sub-adviser under the
investment management and  administration contract.  A commission  paid to  such
broker/dealers may be higher than that which another qualified broker would have
charged  for  effecting  the  same transaction,  provided  that  the Sub-adviser
determines in good faith that such  commission is reasonable in terms either  of
that  particular transaction or the overall responsibility of the Sub-adviser to
the Fund and its other clients and  that the total commissions paid by the  Fund
will  be reasonable in relation to the  benefits it received over the long term.
Research  services  may  also  be   received  from  dealers  who  execute   Fund
transactions in OTC markets.
    
 
   
The  Sub-adviser may allocate brokerage  transactions to broker/dealers who have
entered into arrangements under which  the broker/dealer allocates a portion  of
the  commissions  paid by  the  Fund toward  payment  of its  expenses,  such as
transfer agent and custodian fees.
    
 
   
Investment decisions for the Fund and  for other investment accounts managed  by
the  Sub-adviser  are made  independently of  each other  in light  of differing
conditions. However, the same investment  decision may occasionally be made  for
two  or more of  such accounts including  the Fund. In  such cases, simultaneous
transactions may occur.  Purchases or sales  are then allocated  as to price  or
amount  in a manner deemed fair and equitable to all accounts involved. While in
some cases this practice could have a detrimental effect upon the price or value
of the security as far as the Fund is concerned, in other cases the  Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Fund.
    
 
   
Under  a policy adopted by  the Company's Board of  Trustees, and subject to the
policy of  obtaining  the best  net  results,  the Sub-adviser  may  consider  a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser  serves as investment  manager in selecting  brokers and dealers for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The Fund contemplates purchasing most  foreign equity securities in OTC  markets
or  stock exchanges located  in the countries in  which the respective principal
offices of the issuers  of the various  securities are located,  if that is  the
best  available market. The fixed commissions  paid in connection with most such
foreign stock transactions generally are  higher than negotiated commissions  on
United  States transactions. There generally  is less government supervision and
regulation of foreign  stock exchanges and  brokers than in  the United  States.
Foreign  security settlements  may in  some instances  be subject  to delays and
related administrative uncertainties.
 
Foreign equity securities may  be held by  the Fund in the  form of ADRs,  ADSs,
EDRs, CDRs or securities convertible into foreign equity securities. ADRs, ADSs,
EDRs  and CDRs may be listed on stock exchanges, or traded in the OTC markets in
the United States or  Europe, as the  case may be.  ADRs, like other  securities
traded in the United States, will be subject to
 
                  Statement of Additional Information Page 20
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
negotiated  commission rates. The foreign and domestic debt securities and money
market instruments in which the Fund may invest are generally traded in the  OTC
markets.
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results,  brokerage transactions may be conducted through certain companies that
are members of Liechtenstein Global Trust.  The Company's Board of Trustees  has
adopted  procedures in conformity with  Rule 17e-1 under the  1940 Act to ensure
that all brokerage commissions paid to  such affiliates are reasonable and  fair
in  the context of the market in which they are operating. Any such transactions
will  be  effected  and  related  compensation  paid  only  in  accordance  with
applicable  SEC regulations. For the Fund's fiscal years ended October 31, 1997,
1996 and  1995, the  Fund paid  aggregate brokerage  commissions of  $2,719,660,
$2,094,634 and $891,513, respectively.
    
 
PORTFOLIO TRADING AND TURNOVER
   
The  Fund engages in  portfolio trading when the  Sub-adviser has concluded that
the sale of a security owned by the Fund and/or the purchase of another security
of better value can enhance principal and/or increase income. A security may  be
sold  to avoid  any prospective decline  in market  value, or a  security may be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment  objective, a  security also  may be  sold and  a comparable security
purchased coincidentally in order to take advantage of what is believed to be  a
disparity in the normal yield and price relationship between the two securities.
Although the Fund does not intend generally to trade for short-term profits, the
securities  in the Fund's portfolio will be sold whenever management believes it
is appropriate to  do so,  without regard  to the  length of  time a  particular
security  may  have been  held.  The portfolio  turnover  rate is  calculated by
dividing the lesser of sales or purchases of portfolio securities by the  Fund's
average  month-end portfolio value, excluding short-term investments. The Fund's
portfolio turnover rate will not be a limiting factor when the Sub-adviser deems
portfolio   changes    appropriate.   Higher    portfolio   turnover    involves
correspondingly  greater brokerage commissions and  other transaction costs that
the Fund will bear directly,  and may result in  the realization of net  capital
gains  that are taxable when distributed  to the Fund's shareholders. The Fund's
portfolio turnover rates for  the fiscal years ended  October 31, 1997 and  1996
were 130% and 101%, respectively.
    
 
                  Statement of Additional Information Page 21
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*   Mr.  Guilfoyle is an  "interested person" of  the Company as  defined by the
    1940 Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and                1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Principal Accounting Officer      1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Manager since
Vice President                    October 1997; Executive Vice President of the Asset Management Division
50 California Street              of Liechtenstein Global Trust since October 1996; Senior Vice President,
San Francisco, CA 94111           General Counsel and Secretary of LGT Asset Management, Inc., Chancellor
                                  LGT, GT Global, GT Services and G.T. Insurance from February 1996 to
                                  October 1996; Vice President, General Counsel and Secretary of LGT Asset
                                  Management, Inc., Chancellor LGT, GT Global, GT Services and G.T.
                                  Insurance from May 1994 to February 1996; Senior Vice President, General
                                  Counsel and Secretary of Strong/Corneliuson Management, Inc. and
                                  Secretary of each of the Strong Funds from October 1991 through May
                                  1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT.]
    
 
                            ------------------------
 
   
The Board of Trustees  has a Nominating and  Audit Committee, comprised of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds and recommending firms to serve  as independent auditors for the  Company.
Each  of the Trustees and Officers of the  Company is also a Trustee and Officer
of G.T. Investment Portfolios,  GT Global Floating Rate  Fund, GT Global  Series
Trust,  G.T. Global Growth Series, G.T.  Global Eastern Europe Fund, G.T. Global
Variable Investment Trust, G.T. Global  Variable Investment Series, Global  High
Income  Portfolio,  Global  Investment Portfolio,  Floating  Rate  Portfolio and
Growth Portfolio, which are also registered investment companies advised by  AIM
and  sub-advised by the Sub-adviser. Each Trustee and Officer serves in total as
a Trustee and Officer, respectively, of 12 registered investment companies  with
47 series managed or administered by AIM and sub-advised and sub-administered by
the  Sub-adviser. Each Trustee who is not a director, officer or employee of the
Sub-adviser or  any affiliated  company is  paid aggregate  fees of  $5,000  per
annum, plus $300 per Fund for each meeting of the Board attended, and reimbursed
travel  and  other  expenses  incurred in  connection  with  attendance  at such
meetings. Other  Trustees  and  Officers  receive  no  compensation  or  expense
reimbursement  from the Company. For the fiscal year ended October 31, 1997, Mr.
Anderson, Mr. Bayley,  Mr. Patterson and  Miss Quigley, who  are not  directors,
officers  or employees  of the Sub-adviser  or any  affiliated company, received
total compensation of $38,650, $38,650, $27,850 and $38,650, respectively,  from
the Company for their services as Trustees. For the year ended October 31, 1997,
Mr.  Anderson,  Mr.  Bayley,  Mr.  Patterson  and  Miss  Quigley  received total
compensation of $117,304, $114,386, $88,350 and $111,688, respectively, from the
investment  companies  managed  or  administered  by  AIM  and  sub-advised  and
sub-administered  by the Sub-adviser  for which he  or she serves  as a Trustee.
Fees and expenses  disbursed to  the Trustees  contained no  accrued or  payable
pension or retirement benefits. As of January 8, 1998, the Officers and Trustees
and  their families as a group owned  in the aggregate beneficially or of record
less than 1%  of the  outstanding shares  of the Fund  or of  all the  Company's
series in the aggregate.
    
 
                  Statement of Additional Information Page 23
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and  AIM. The Sub-adviser serves  as the Fund's sub-adviser
and sub-administrator  under  a Sub-Advisory  and  Sub-Administration  Agreement
between  AIM and the  Sub-adviser ("Management Sub-Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Fund  and  administer  the  Fund's  affairs. Among  other  things,  AIM  and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of  the Company  and  the Fund,  and  provide suitable  office space,
necessary small office equipment and utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's Board  of  Trustees, or  by  the vote  of  a majority  of  the  Fund's
outstanding  voting securities (as defined in the 1940 Act), and (ii) a majority
of Trustees  who are  not parties  to the  Management Contracts  or  "interested
persons"  of any such  party (as defined in  the 1940 Act), cast  in person at a
meeting called  for  the  specific  purpose of  voting  on  such  approval.  The
Management Contracts provide that with respect to the Fund either the Company or
each  of AIM or the Sub-adviser may terminate the Contracts without penalty upon
sixty  (60)   days'  written   notice.   The  Management   Contracts   terminate
automatically in the event of their assignment (as defined in the 1940 Act).
    
 
   
For  the  fiscal years  ended October  31, 1997,  1996 and  1995, the  Fund paid
investment management and administration fees to the Sub-adviser in the  amounts
of $3,538,586, $3,365,375 and $3,913,429, respectively.
    
 
Certain   Latin   American  countries   require  a   local  entity   to  provide
administrative services for all direct investments by foreigners. Where required
by local  law,  the Fund  intends  to retain  a  local entity  to  provide  such
administrative  services. The local administrator will be paid a fee by the Fund
for its services.
 
DISTRIBUTION SERVICES
   
The Fund's  Class A  and Class  B shares  are continuously  offered through  the
Fund's  principal  underwriter and  distributor,  AIM Distributors,  on  a "best
efforts" basis pursuant to separate  Distribution Contracts between the  Company
and AIM Distributors.
    
 
   
As  described in the Prospectus, on         , 1998, the Company adopted a Master
Distribution Plan pursuant  to Rule  12b-1 under the  1940 Act  relating to  the
Class  A shares of the Fund (the "Class  A Plan"). At the same time, the Company
also adopted a Master  Distribution Plan pursuant to  Rule 12b-1 under the  1940
Act  relating to Class  B shares of the  Fund (the "Class  B Plan," and together
with the Class A Plan, the "Plans"). The rate of payments by the Funds under the
Plans, as described in the Prospectus, may not be increased without the approval
of the majority of the outstanding voting securities of the affected class.
    
 
   
BOTH PLANS. Pursuant to  an incentive program, AIM  Distributors may enter  into
agreements  ("Shareholder Service Agreements")  with investment dealers selected
from time  to  time  by  AIM Distributors  for  the  provision  of  distribution
assistance  in connection with  the sale of  the Funds' shares  to such dealers'
customers, and for the provision of continuing personal shareholder services  to
customers  who may from time to time  directly or beneficially own shares of the
Funds. The distribution assistance and continuing personal shareholder  services
to  be rendered by dealers under the Shareholder Service Agreements may include,
but shall  not be  limited  to, the  following: distributing  sales  literature;
answering routine customer inquiries concerning the Fund; assisting customers in
changing  dividend options, account designations and addresses, and in enrolling
in any  of several  special  investment plans  offered  in connection  with  the
purchase of the Fund's shares; assisting in the establishment and maintenance of
customer  accounts and records and in  the processing of purchase and redemption
transactions;  investing   dividends  and   any  capital   gains   distributions
automatically  in the  Fund's shares; and  providing such  other information and
services as the Fund or the customer may reasonably request.
    
 
   
Under the Plans, in addition  to the Shareholder Service Agreements  authorizing
payments   to  selected  dealers,  banks  may  enter  into  Shareholder  Service
Agreements authorizing payments under the Plans to be made to banks that provide
    
 
                  Statement of Additional Information Page 24
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
services to  their  customers  who  have  purchased  shares.  Services  provided
pursuant to Shareholder Service Agreements with banks may include some or all of
the  following:  answering  shareholder  inquiries regarding  the  Fund  and the
Company; performing  sub-accounting;  establishing and  maintaining  shareholder
accounts  and records; processing customer purchase and redemption transactions;
providing periodic statements  showing a shareholder's  account balance and  the
integration  of such statements with those of other transactions and balances in
the shareholder's other  accounts serviced  by the  bank; forwarding  applicable
prospectuses,  proxy statements,  reports and notices  to bank  clients who hold
Fund shares; and such other administrative  services as the Fund reasonably  may
request,  to the  extent permitted  by applicable  statute, rule  or regulation.
Similar agreements  may  be permitted  under  the Plans  for  institutions  that
provide recordkeeping for and administrative services to 401(k) plans.
    
 
   
Financial  intermediaries and any other  person entitled to receive compensation
for selling Fund shares may receive different compensation for selling shares of
one particular class over another.
    
 
   
Under a Shareholder Service Agreement, the Fund agrees to pay periodically  fees
to  selected dealers and other institutions who render the foregoing services to
their customers. The fees payable under a Shareholder Service Agreement will  be
calculated  at the end of each payment period  for each business day of the Fund
during such period at the  annual rate of 0.25% of  the average daily net  asset
value  of  the  Fund's  shares  purchased  or  acquired  through  exchange. Fees
calculated in this manner shall be paid only to those selected dealers or  other
institutions  who are dealers or institutions of record at the close of business
on the last business  day of the  applicable payment period  for the account  in
which the Fund's shares are held.
    
 
   
Payments pursuant to the Plans are subject to any applicable limitations imposed
by  rules of the National Association  of Securities Dealers, Inc. ("NASD"). The
Plans conform to  rules of the  NASD by  limiting payments made  to dealers  and
other   financial  institutions  who  provide  continuing  personal  shareholder
services to their customers who purchase and  own shares of the Fund to no  more
than 0.25% per annum of the average daily net assets of the Fund attributable to
the  customers of such dealers or financial  institutions, and by imposing a cap
on the total  sales charges, including  asset-based sales charges,  that may  be
paid by the Fund and its respective classes.
    
 
   
AIM Distributors does not act as principal, but rather as agent for the Fund, in
making  dealer  incentive and  shareholder servicing  payments under  the Plans.
These payments are an obligation of the Fund and not of AIM Distributors.
    
 
   
The following  table  discloses  payments  made by  the  Fund  to  their  former
distributor,  GT Global, Inc. ("GT Global")  under the Fund's prior Plans during
the Fund's last fiscal year:
    
 
<TABLE>
<CAPTION>
                                                                                  CLASS A        CLASS B
                                                                                AMOUNT PAID    AMOUNT PAID
                                                                               -------------  --------------
<S>                                                                            <C>            <C>
Year ended Oct. 31, 1997.....................................................  $   1,011,259  $   1,587,737
</TABLE>
 
   
In approving the Plans, the Trustees determined  that each Plan was in the  best
interests  of the shareholders of the Fund. Agreements related to the Plans must
also be approved  by such  vote of  the Trustees,  including a  majority of  the
Trustees who are not "interested persons" of the Company (as defined in the 1940
Act) and who have no direct or indirect financial interests in the operations of
the plans, or in any agreement related thereto.
    
 
   
Each  Plan requires  that, at least  quarterly, the Trustees  review the amounts
expended thereunder and the purposes for which such expenditures were made. Each
Plan requires that so long as they are in effect the selection and nomination of
Trustees who are not  "interested persons" of the  Company will be committed  to
the  discretion of the Trustees who are not "interested persons" of the Company,
as defined in the 1940 Act.
    
 
   
As discussed in the Prospectus, AIM Distributors collects sales charges on sales
of Class A  shares of  the Fund,  retains certain  amounts of  such charges  and
reallows  other amounts of such charges to broker/dealers which sell shares. The
following table reviews  the extent  of such activity  for the  Fund during  the
periods shown:
    
 
<TABLE>
<CAPTION>
                                                                                SALES CHARGES    AMOUNTS       AMOUNTS
YEAR ENDED OCT. 31,                                                               COLLECTED     RETAINED      REALLOWED
- ------------------------------------------------------------------------------  -------------  -----------  -------------
<S>                                                                             <C>            <C>          <C>
1997..........................................................................   $   168,598   $    50,871  $     117,727
1996..........................................................................       262,651        98,352        164,299
1995..........................................................................     2,082,087       291,788      1,790,299
</TABLE>
 
   
AIM  Distributors  receives  any  contingent  deferred  sales  charges ("CDSCs")
payable with  respect to  redemptions of  Class  B shares  and certain  Class  A
shares. For the fiscal year ended October 31, 1997, GT Global collected CDSCs in
the  amount of $923,769. For  the fiscal year ended  October 31, 1996, GT Global
collected CDSCs in the amount of $843,024. For the
    
 
                  Statement of Additional Information Page 25
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
fiscal year ended October 31, 1995, GT  Global collected CDSCs in the amount  of
$760,248.  Purchases of Class  A shares exceeding  $500,000 may be  subject to a
contingent deferred sales charge upon redemption.
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The Transfer  Agent  has  been  retained by  the  Fund  to  perform  shareholder
servicing,  reporting and  general transfer  agent functions  for the  Fund. For
these services, the Transfer Agent receives an annual maintenance fee of  $17.50
per  account, a new account  fee of $4.00 per account,  a per transaction fee of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent is also reimbursed by the Fund for its out-of-pocket expenses
for such  items as  postage,  forms, telephone  charges, stationary  and  office
supplies. The Sub-adviser serves as the Fund's pricing and accounting agent. For
the  fiscal years ended October  31, 1995 and October  31, 1996, and October 31,
1997 the  Fund paid  accounting services  fees to  the Sub-adviser  of  $24,138,
$86,436 and $90,733 respectively.
    
 
EXPENSES OF THE FUND
   
The Fund pays all expenses not assumed by AIM, the Sub-adviser, AIM Distributors
and  other  agents.  These  expenses  include,  in  addition  to  the  advisory,
distribution, transfer agency, pricing and accounting agency and brokerage  fees
discussed  above,  legal and  audit expenses,  custodian fees,  directors' fees,
organizational  fees,  fidelity  bond  and  other  insurance  premiums,   taxes,
extraordinary  expenses and  the expenses  of reports  and prospectuses  sent to
existing investors.  The allocation  of general  Company expenses  and  expenses
shared  by the Fund and other funds organized  as series of the Company with one
another are allocated on a basis deemed  fair and equitable, which may be  based
on  the relative net assets of the Fund  or the nature of the services performed
and relative applicability to the  Fund. Expenditures, including costs  incurred
in  connection  with the  purchase or  sale of  portfolio securities,  which are
capitalized  in  accordance  with   generally  accepted  accounting   principles
applicable  to investment companies, are accounted  for as capital items and not
as expenses. The ratio of the Fund's expenses to its relative net assets can  be
expected  to be  higher than  the expense  ratios of  funds investing  solely in
domestic securities,  since  the cost  of  maintaining the  custody  of  foreign
securities and the rate of investment management fees paid by the Fund generally
are higher than the comparable expenses of such other funds.
    
 
- --------------------------------------------------------------------------------
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As  described in the Prospectus,  the Fund's net asset  value per share for each
class of  shares is  determined at  the close  of regular  trading on  the  NYSE
(currently  4:00 p.m. Eastern Time) (unless  weather, equipment failure or other
factors contribute to an earlier closing time) on each day for which the NYSE is
open for business. Currently, the NYSE is closed on weekends and on certain days
relating to the  following holidays:  New Year's  Day, Martin  Luther King  Day,
President's  Day, Good Friday,  Memorial Day, July  4th, Labor Day, Thanksgiving
Day and Christmas Day.
    
 
   
Equity securities, including ADRs, ADSs, CDRs,  GDRs and EDRs, which are  traded
on  stock exchanges are valued  at the last sale price  on the exchange on which
such securities  are  traded,  as of  the  close  of business  on  the  day  the
securities  are being valued  or, lacking any  sales, at the  last available bid
price. In  cases where  securities are  traded on  more than  one exchange,  the
securities  are valued on the  exchange determined by the  Sub-adviser to be the
primary market. Securities traded in  the over-the-counter market are valued  at
the last available bid price prior to the time of valuation.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
and asked prices for such  securities or, if such  prices are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a  bond pricing  service  will be  used.  Short-term debt  investments are
amortized to  maturity  based  on  their cost,  adjusted  for  foreign  exchange
translation, provided such valuations represent fair value.
    
 
   
Options  on indices, securities and currencies  purchased by the Fund are valued
at their last bid  price in the case  of listed options or,  in the case of  OTC
options,  at the average of  the last bid prices  obtained from dealers unless a
quotation from only one  dealer is available, in  which case only that  dealer's
price  will be used. The value of  each security denominated in a currency other
than U.S.  dollars  will be  translated  into  U.S. dollars  at  the  prevailing
exchange  rate  as  determined  by  the Sub-adviser  on  that  day.  When market
quotations for  futures and  options on  futures held  by the  Fund are  readily
available, those positions will be valued based upon such quotations.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
Securities  and  other  assets  for  which  market  quotations  are  not readily
available are valued at fair value as  determined in good faith by or under  the
direction  of the Company's Board of  Trustees. The valuation procedures applied
in any  specific  instance  are likely  to  vary  from case  to  case.  However,
consideration  is generally  given to the  financial position of  the issuer and
other fundamental analytical data relating to  the investment and to the  nature
of the restrictions on disposition of the securities (including any registration
expenses  that might be borne by the  Fund in connection with such disposition).
In addition, specific factors are also generally considered, such as the cost of
the investment, the  market value  of any  unrestricted securities  of the  same
class  (both at the time of purchase and  at the time of valuation), the size of
the holding, the  prices of any  recent transactions or  offers with respect  to
such securities and any available analysts' reports regarding the issuer.
    
 
The  fair value  of any  other assets is  added to  the value  of all securities
positions to  arrive  at  the value  of  the  Fund's total  assets.  The  Fund's
liabilities,  including  accruals  for  expenses, are  deducted  from  its total
assets. Once the total  value of the  Fund's net assets  is so determined,  that
value  is  then divided  by the  total number  of shares  outstanding (excluding
treasury shares), and the result, rounded to  the nearer cent, is the net  asset
value per share.
 
   
Any  assets or liabilities initially denominated  in terms of foreign currencies
are translated into U.S. dollars at the official exchange rate or at the mean of
the current bid and asked prices of such currencies against the U.S. dollar last
quoted by a major  bank that is  a regular participant  in the foreign  exchange
market  or on the basis of a pricing  service that takes into account the quotes
provided by a  number of such  major banks.  If none of  these alternatives  are
available  or none are deemed to provide a suitable methodology for converting a
foreign currency into  U.S. dollars, the  Board of Trustees  in good faith  will
establish a conversion rate for such currency.
    
 
   
Latin  American securities trading may  not take place on  all days on which the
NYSE is open. Further, trading takes place in various foreign markets on days on
which the NYSE  is not  open. Consequently, the  calculation of  the Fund's  net
asset  value may not take place  contemporaneously with the determination of the
prices of securities held by the Fund. Events affecting the values of  portfolio
securities that occur between the time their prices are determined and the close
of  regular trading on  the NYSE will not  be reflected in  the Fund's net asset
value unless the Sub-adviser,  under the supervision of  the Company's Board  of
Trustees, determines that the particular event would materially affect net asset
value.  As a result, the Fund's net asset value may be significantly affected by
such trading on days when a shareholder cannot purchase or redeem shares of  the
Fund.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                 INFORMATION RELATING TO SALES AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment  for Class A or  Class B shares purchased  should accompany the purchase
order, or  funds should  be wired  to the  Transfer Agent  as described  in  the
Prospectus.  Payment for Fund shares, other than  by wire transfer, must be made
by check or money  order drawn on a  U.S. bank. Checks or  money orders must  be
payable in U.S. dollars.
 
As  a condition of this offering, if an order to purchase either class of shares
is cancelled due  to nonpayment (for  example, because a  check is returned  for
"not  sufficient funds"), the person who made  the order will be responsible for
any loss  incurred by  the Fund  by reason  of such  cancellation, and  if  such
purchaser  is a shareholder, the  Fund shall have the  authority as agent of the
shareholder to redeem  shares in his  or her account  at their then-current  net
asset  value per share  to reimburse the  Fund for the  loss incurred. Investors
whose purchase orders have  been cancelled due to  nonpayment may be  prohibited
from placing future orders.
 
   
The  Fund  reserves the  right  at any  time to  waive  or increase  the minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons.  An order to purchase shares  is not binding on  the
Fund  until it  has been confirmed  in writing  by the Transfer  Agent (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders,  the Fund reserves the right to reject any offer for a purchase of
shares by any individual.
    
 
AUTOMATIC INVESTMENT PLAN -- CLASS A SHARES AND CLASS B SHARES
To establish  participation in  the Fund's  Automatic Investment  Plan  ("AIP"),
investors  or their broker/dealers should specify whether the investment will be
in Class A  shares or Class  B shares and  send the following  documents to  the
Transfer Agent: (1) an AIP Application; (2) a Bank Authorization Form; and (3) a
voided  personal check from the pertinent  bank account. The necessary forms are
provided at the back of the Fund's Prospectus. Provided that an investor's  bank
accepts  the Bank  Authorization Form, investment  amounts will be  drawn on the
designated dates (monthly on the 25th day or beginning quarterly on the 25th day
of the  month  the  investor  first  selects) in  order  to  purchase  full  and
fractional  shares of the Fund  at the public offering  price determined on that
day. If the  25th day falls  on a Saturday,  Sunday or holiday,  shares will  be
purchased  on the next business day. If  an investor's check is returned because
of insufficient funds, a stop  payment order or the  account is closed, the  AIP
may  be discontinued, and any share purchase made upon deposit of such check may
be cancelled. Furthermore, the shareholder will be liable for any loss  incurred
by the Fund by reason of such cancellation. Investors should allow one month for
the  establishment of an AIP. An AIP may  be terminated by the Transfer Agent or
the Fund upon thirty  days' written notice  or by the  participant, at any  time
without penalty, upon written notice to the Fund or the Transfer Agent.
 
LETTER OF INTENT -- CLASS A SHARES
   
A Letter of Intent ("LOI") is not a binding obligation to purchase the indicated
amount.  While Class A shares are held in  escrow under an LOI to ensure payment
of applicable sales charges  if the indicated amount  is not met, all  dividends
and  other distributions on the escrowed shares will be reinvested in additional
Class A shares or paid in cash, as specified by the shareholder. If the intended
investment is  not completed  within the  specified thirteen-month  period,  the
purchaser must remit to AIM Distributors the difference between the sales charge
actually paid and the sales charge which would have been applicable if the total
Class  A purchases had been made at a single time. If this amount is not paid to
AIM Distributors  within  twenty days  after  written request,  the  appropriate
number  of  escrowed  shares will  be  redeemed  and the  proceeds  paid  to AIM
Distributors.
    
 
   
Any investor that  entered into a  LOI prior to  June 1, 1998,  under which  the
indicated  amount is not met, will be  subject to the sales charge schedule that
was in effect when the LOI was entered into.
    
 
A registered investment adviser,  trust company or  trust department seeking  to
execute  an LOI  as a single  purchaser with  respect to accounts  over which it
exercises investment discretion is required  to provide the Transfer Agent  with
information establishing that it has discretionary authority with respect to the
money invested (e.g., by providing a copy of the
 
                  Statement of Additional Information Page 28
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
pertinent  investment  advisory agreement).  Class  A shares  purchased  in this
manner must be registered  with the Transfer Agent  so that only the  investment
adviser,  trust company or trust department,  and not the beneficial owner, will
be able to place purchase, redemption and exchange orders.
 
   
CONVERSION OF CLASS B SHARES
    
   
Class B shares will automatically convert into Class A shares of the same  Fund.
For  the purpose  of calculating the  holding period required  for conversion of
Class B shares, the initial issuance of  Class B shares shall mean (i) the  date
on  which such Class B  shares were issued, or (ii)  for Class B shares obtained
through an exchange, or a  series of exchanges, the  date on which the  original
Class  B shares  were issued.  For purposes  of conversion  to Class  A, Class B
shares purchased through the reinvestment  of dividends and other  distributions
paid  in respect of Class B shares will  be held in a separate sub-account. Each
time any Class B shares in  the shareholder's regular account (other than  those
in the sub-account) convert to Class A, a pro rata portion of the Class B shares
in  the sub-account will also convert to Class A. The portion will be determined
by the ratio that the shareholder's Class  B shares converting to Class A  bears
to  the shareholder's  total Class B  shares not acquired  through dividends and
other distributions.
    
 
   
The availability  of  the  conversion  feature  is  subject  to  the  continuing
availability of an opinion of counsel to the effect that the dividends and other
distributions   paid  on  Class  A  and  Class  B  shares  will  not  result  in
"preferential dividends" under the Internal  Revenue Code and the conversion  of
shares  does not constitute a taxable event. If the conversion feature ceased to
be available, the Class B shares would not be converted and would continue to be
subject to the higher ongoing expenses of  the Class B shares beyond the  eighth
year.  The Sub-adviser  has no  reason to  believe that  this condition  for the
availability of the conversion feature will not be met.
    
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
Class A or Class B shares may  be purchased as the underlying investment for  an
IRA  meeting the requirements  of sections 408(a),  408A or 530  of the Internal
Revenue Code of 1986, as amended  ("Code"), as well as for qualified  retirement
plans  described in Code Section 401  and custodial accounts complying with Code
Section 403(b)(7).
 
   
IRAS: If you have earned income from employment (including self-employment), you
can contribute each year to an IRA up  to the lesser of (1) $2,000 for  yourself
or  $4,000  for  you and  your  spouse,  regardless of  whether  your  spouse is
employed, or (2) 100% of compensation. Some  individuals may be able to take  an
income tax deduction for the contribution. Regular contributions may not be made
for  the year  you become 70  1/2 or  thereafter. Unless your  and your spouse's
earnings exceed  a certain  level, you  also may  establish an  "education  IRA"
and/or  a "Roth  IRA." Although  contributions to  these new  types of  IRAs are
nondeductible,  withdrawals   from  them   will   be  tax-free   under   certain
circumstances.  Please  consult  your  tax  adviser  for  more  information. IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER IRAS: Individuals who  receive distributions from qualified  retirement
plans  (other than  required distributions) and  who wish to  keep their savings
growing tax-deferred  can  roll  over  (or make  a  direct  transfer  of)  their
distribution  to a  Rollover IRA. These  accounts can also  receive rollovers or
transfers from an existing  IRA. If an "eligible  rollover distribution" from  a
qualified  employer-sponsored retirement plan is not  directly rolled over to an
IRA (or  certain  qualified plans),  withholding  at the  rate  of 20%  will  be
required  for federal income tax purposes.  A distribution from a qualified plan
that is not an "eligible  rollover distribution," including a distribution  that
is  one of series of substantially equal periodic payments, generally is subject
to regular wage withholding or withholding at the rate of 10% (depending on  the
type  and  amount  of  the  distribution), unless  you  elect  not  to  have any
withholding apply. Please consult your tax adviser for more information.
 
SEP-IRAS: Simplified  employee  pension  plans ("SEPs"  or  "SEP-IRAs")  provide
self-employed  individuals (and any eligible employees) with benefits similar to
Keogh plans (I.E.,  self-employed individual retirement  plans) or Code  Section
401(k)   plans,  but  with  fewer   administrative  requirements  and  therefore
potentially lower annual administration expenses.
 
CODE SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and  most
other  tax-exempt organizations can make  pre-tax salary reduction contributions
to these accounts.
 
PROFIT-SHARING  (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE   PENSION
PLANS:  Corporations  and other  employers can  sponsor these  qualified defined
contribution plans  for  their employees.  A  Section  401(k) plan,  a  type  of
profit-sharing  plan, additionally permits the eligible, participating employees
to make  pre-tax salary  reduction  contributions to  the  plan (up  to  certain
limits).
 
                  Statement of Additional Information Page 29
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
SIMPLE  PLANS: Employers with  no more than  100 employees that  do not maintain
another retirement  plan  may  establish  a Savings  Incentive  Match  Plan  for
Employees  ("SIMPLE") either  as separate  IRAs or as  part of  a Section 401(k)
plan. SIMPLEs are not  subject to the  complicated nondiscrimination rules  that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
   
Shares  of the Fund  may be exchanged  for shares of  the corresponding class of
other GT Global Mutual  Funds or Class A  shares of funds of  The AIM Family  of
Funds-Registered  Trademark-, based on their respective net asset values without
imposition of any  sales charges, provided  the registration remains  identical.
The  exchange privilege  is not  an option  or right  to purchase  shares but is
permitted under the current  policies of the respective  GT Global Mutual  Funds
and The AIM Family of Funds. The privilege may be discontinued or changed at any
time  by any of those funds upon  sixty days' written notice to the shareholders
of the fund  and is  available only  in states where  the exchange  may be  made
legally.   Before  purchasing  shares  through  the  exercise  of  the  exchange
privilege, a shareholder should obtain and read a copy of the prospectus of  the
fund to be purchased and should consider its investment objective(s).
    
 
   
THE AIM FAMILY OF FUNDS, THE AIM FAMILY OF FUNDS AND DESIGN (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS AND LA FAMILIA AIM DE FONDOS AND DESIGN ARE REGISTERED
SERVICE MARKS AND INVEST WITH DISCIPLINE AND AIM BANK CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
   
SALES CHARGE WAIVERS FOR SHARES PURCHASED PRIOR TO JUNE 1, 1998
    
   
Class  A shares that are subject to  a contingent deferred sales charge and that
were purchased before June  1, 1998 are entitled  to the following waivers  from
the  contingent deferred sales charge otherwise due upon redemption: (1) minimum
required distributions made in  connection with a GT  Global IRA, Keogh Plan  or
custodial  account under  Section 403(b)  of the  Code or  other retirement plan
following attainment of age 70 1/2;  (2) total or partial redemptions  resulting
from  a  distribution  following  retirement  in  the  case  of  a tax-qualified
employer-sponsored retirement  plan;  (3)  when  a  redemption  results  from  a
tax-free  return of an excess contribution  pursuant to Section 408(d)(4) or (5)
of the Code or  from the death  or disability of  the employee; (4)  redemptions
pursuant to the Fund's right to liquidate a shareholder's account involuntarily;
(5)    redemptions    pursuant   to    distributions   from    a   tax-qualified
employer-sponsored retirement plan, which is invested in GT Global Mutual Funds,
which are permitted to be made without penalty pursuant to the Code, other  than
tax-free  rollovers  or  transfers of  assets,  and  the proceeds  of  which are
reinvested in GT Global  Mutual Funds; (6) redemptions  made in connection  with
participant-directed  exchanges between options in an employer-sponsored benefit
plan; (7) redemptions made for the purpose of providing cash to fund a loan to a
participant  in  a  tax-qualified  retirement  plan;  (8)  redemptions  made  in
connection  with  a distribution  from any  retirement plan  or account  that is
permitted in accordance with the provisions of Section 72(t)(2) of the Code, and
the regulations promulgated thereunder; (9) redemptions made in connection  with
a  distribution from any retirement plan or  account that involves the return of
an excess deferral amount pursuant to Section 401(k)(8) or Section 402(g)(2)  of
the  Code;  (10)  redemptions made  in  connection  with a  distribution  from a
qualified profit-sharing or stock bonus plan described in Section 401(k) of  the
Code  to a participant or beneficiary under Section 401(k)(2)(B)(IV) of the Code
upon  hardship  of  the  covered  employee  (determined  pursuant  to   Treasury
Regulation  Section 1.401(k)-1(d)(2)); and  (11) redemptions made  by or for the
benefit of  certain  states,  counties  or  cities,  or  any  instrumentalities,
departments or authorities thereof where such entities are prohibited or limited
by applicable law from paying a sales charge or commission.
    
 
   
Class  B  shares purchased  before June  1,  1998 are  subject to  the following
waivers from the contingent deferred sales charge otherwise due upon  redemption
in  addition to the waivers provided for redemptions of currently issued Class B
shares as  described  in  the  Prospectus:  (1)  total  or  partial  redemptions
resulting   from  a  distribution   following  retirement  in   the  case  of  a
tax-qualified employer-sponsored retirement; (2) minimum required  distributions
made  in connection with a GT Global  IRA, Keogh Plan or custodial account under
Section 403(b) of the Code or other retirement plan following attainment of  age
70  1/2; (3) a  one-time reinvestment in Class  B shares of  the Fund within 180
days of a  prior redemption; (4)  redemptions pursuant to  distributions from  a
tax-qualified employer-sponsored retirement plan, which is invested in GT Global
Mutual  Funds, which are  permitted to be  made without penalty  pursuant to the
Code, other than tax-free rollovers or transfers of assets, and the proceeds  of
which  are  reinvested  in  GT  Global Mutual  Funds;  (5)  redemptions  made in
connection  with   participant-directed   exchanges  between   options   in   an
employer-sponsored  benefit  plan;  (6)  redemptions  made  for  the  purpose of
providing cash to  fund a loan  to a participant  in a tax-qualified  retirement
plan; (7) redemptions made in connection with a distribution from any retirement
plan  or account that is permitted in  accordance with the provisions of Section
72(t)(2)  of  the  Code,  and   the  regulations  promulgated  thereunder;   (8)
redemptions   made  in   connection  with   a  distribution   from  a  qualified
profit-sharing or stock bonus plan described in Section 401(k) of the Code to  a
participant  or  beneficiary under  Section  401(k)(2)(B)(IV) of  the  Code upon
hardship of the  covered employee  (determined pursuant  to Treasury  Regulation
Section 1.401(k)-1(d)(2)); and (9) redemptions made by
    
 
                  Statement of Additional Information Page 30
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
or   for  the   benefit  of   certain  states,   counties  or   cities,  or  any
instrumentalities, departments or  authorities thereof where  such entities  are
prohibited  or  limited  by  applicable  law  from  paying  a  sales  charge  or
commission.
    
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s),  and,  in the  case of  a  corporation, the  corporate seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic bank or savings institution if the proceeds are at least $500. Costs in
connection  with  the administration  of this  service, including  wire charges,
currently are borne by the  Fund. Proceeds of less than  $500 will be mailed  to
the  shareholder's registered address of record. The Fund and the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
 
SYSTEMATIC WITHDRAWAL PLAN
Shareholders  owning Class A or  Class B shares with a  value of $10,000 or more
may establish a Systematic Withdrawal Plan  ("SWP"). Under a SWP, a  shareholder
will receive monthly or quarterly payments, in amounts of not less than $100 per
payment,  through the automatic redemption of  the necessary number of shares on
the designated dates (monthly on the 25th day or beginning quarterly on the 25th
day of  the month  the investor  first  selects). If  the 25th  day falls  on  a
Saturday,  Sunday  or  holiday, the  redemption  will  take place  on  the prior
business day. Certificates, if any, for  the shares being redeemed must be  held
by  the Transfer Agent. Checks will be  made payable to the designated recipient
and mailed within  seven days.  If the recipient  is other  than the  registered
shareholder,  the signature  of each shareholder  must be guaranteed  on the SWP
application (see "How to  Redeem Shares" in the  Prospectus). A corporation  (or
partnership)  also must submit  a "Corporation Resolution"  or "Certification of
Partnership" indicating  the names,  titles and  signatures of  the  individuals
authorized  to act on  its behalf, and the  SWP application must  be signed by a
duly authorized officer(s) and the corporate seal affixed.
 
With respect to a SWP, the maximum  annual SWP withdrawal is 12% of the  initial
account  value.  Withdrawals  in excess  of  12%  of the  initial  account value
annually may result  in assessment of  a contingent deferred  sales charge.  See
"How to Invest" in the Prospectus.
 
Shareholders should be aware that such systematic withdrawals may deplete or use
up entirely the initial investment and result in the realization of long-term or
short-term capital gains or losses. The SWP may be terminated at any time by the
Transfer  Agent or the Fund upon thirty days' written notice or by a shareholder
upon written notice to the Fund or the Transfer Agent. Applications and  further
details  regarding establishment of a SWP are provided at the back of the Fund's
Prospectus.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The Fund may suspend redemption privileges  or postpone the date of payment  for
more  than seven days after a redemption order is received during any period (1)
when the NYSE is  closed other than customary  weekend and holiday closings,  or
trading  on the NYSE is restricted as directed by the SEC, (2) when an emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Fund to dispose of securities  owned by it or fairly  to determine the value  of
its assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board of Trustees, make it undesirable for the Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be made  in portfolio  securities or other  property of  the Fund,  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  the  Fund  will  pay in  cash  all  requests for  redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the lesser of $250,000 or 1% of the net asset value  of
the  Fund at the beginning of such  period. This election will be irrevocable so
long as Rule 18f-1 remains in effect,  unless the SEC by order upon  application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 31
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To  continue to qualify for treatment  as a regulated investment company ("RIC")
under the Code, the  Fund must distribute to  its shareholders for each  taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several additional requirements. These  requirements include the following:  (1)
the  Fund must derive  at least 90% of  its gross income  each taxable year from
dividends, interest, payments with  respect to securities  loans and gains  from
the  sale or  other disposition  of securities  or foreign  currencies, or other
income (including gains from options, Futures or Forward Contracts) derived with
respect to its business of investing in securities or those currencies  ("Income
Requirement");  (2) at the close of each  quarter of the Fund's taxable year, at
least 50% of the value of its total assets must be represented by cash and  cash
items,   U.S.  government  securities,  securities   of  other  RICs  and  other
securities, with these other securities limited,  in respect of any one  issuer,
to an amount that does not exceed 5% of the value of the Fund's total assets and
that  does  not  represent more  than  10%  of the  issuer's  outstanding voting
securities; and (3) at the close of each quarter of the Fund's taxable year, not
more than 25% of  the value of  its total assets may  be invested in  securities
(other  than U.S. government securities or the  securities of other RICs) of any
one issuer.
 
Dividends and  other distributions  declared  by the  Fund  in, and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion of  the dividends from  the Fund's investment  company taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be aware that if shares are purchased shortly before the record date
for any dividend or other distribution, the shareholder will pay full price  for
the shares and receive some portion of the price back as a taxable distribution.
 
The  Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year substantially  all
of  its  ordinary income  for  that year  and capital  gain  net income  for the
one-year period ending on October 31 of that year, plus certain other amounts.
 
FOREIGN TAXES
Dividends and interest received by the Fund, and gains realized thereby, may  be
subject  to income, withholding, or other taxes imposed by foreign countries and
U.S. possessions  ("foreign taxes")  that would  reduce the  yield and/or  total
return  on its  securities. Tax  conventions between  certain countries  and the
United States may reduce or eliminate  foreign taxes, however, and many  foreign
countries  do not  impose taxes  on capital gains  in respect  of investments by
foreign investors. If more than 50% of  the value of the Fund's total assets  at
the  close of its  taxable year consists of  securities of foreign corporations,
the Fund  will be  eligible to,  and may,  file an  election with  the  Internal
Revenue  Service that  will enable its  shareholders, in effect,  to receive the
benefit of the foreign tax credit with respect to any foreign taxes paid by  it.
Pursuant  to the election, the Fund would treat those taxes as dividends paid to
its shareholders and each shareholder would be required to (1) include in  gross
income,  and treat as paid by him, his share of those taxes, (2) treat his share
of those taxes and of any dividend paid by the Fund that represents income  from
foreign  and U.S. possessions sources  as his own income  from those sources and
(3) either deduct the taxes deemed paid  by him in computing his taxable  income
or,  alternatively, use the foregoing information in calculating the foreign tax
credit against his federal income tax. The Fund will report to its  shareholders
shortly  after each taxable  year their respective shares  of the Fund's foreign
taxes and income from sources within  foreign countries and U.S. possessions  if
it makes this election. Pursuant to the Taxpayer Relief Act of 1997 ("Tax Act"),
individuals who have no more than $300 ($600 for married persons filing jointly)
of  creditable foreign  taxes included  on Form  1099 and  all of  whose foreign
source  income  is  "qualified  passive  income"  may  elect  each  year  to  be
 
                  Statement of Additional Information Page 32
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
exempt  from the extremely complicated foreign tax credit limitation and will be
able to claim a foreign tax credit without having to file the detailed Form 1116
that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The Fund  may invest  in the  stock of  "passive foreign  investment  companies"
("PFICs").  A PFIC is a foreign corporation  -- other than a "controlled foreign
corporation" (I.E.,  a foreign  corporation  in which,  on  any day  during  its
taxable  year,  more than  50% of  the total  voting power  of all  voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Fund is a U.S.  shareholder (effective for its taxable year  beginning
November  1, 1998) -- that, in general, meets either of the following tests: (1)
at least 75% of its gross income is passive or (2) an average of at least 50% of
its assets produce,  or are held  for the production  of, passive income.  Under
certain  circumstances, the  Fund will  be subject  to federal  income tax  on a
portion of  any "excess  distribution" received  on,  or of  any gain  from  the
disposition  of, stock  of a  PFIC (collectively  "PFIC income"),  plus interest
thereon, even if the Fund distributes the  PFIC income as a taxable dividend  to
its  shareholders. The balance of the PFIC income will be included in the Fund's
investment company taxable income and, accordingly,  will not be taxable to  the
Fund to the extent it distributes that income to its shareholders.
 
If  the Fund  invests in a  PFIC and  elects to treat  the PFIC  as a "qualified
electing fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and  interest
obligation,  the Fund would be  required to include in  income each year its pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of net long-term capital  gain over net short-term  capital loss) -- which  most
likely  would have  to be  distributed by the  Fund to  satisfy the Distribution
Requirement and avoid imposition of the Excise Tax -- even if those earnings and
gain were not received by  the Fund from the QEF.  In most instances it will  be
very  difficult, if  not impossible,  to make  this election  because of certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark-to-market" its stock  in any PFIC.  "Marking-to-market," in this  context,
means  including in ordinary income each taxable year the excess, if any, of the
fair market value of the stock over the Fund's adjusted basis therein as of  the
end  of that year.  Pursuant to the election,  the Fund also  will be allowed to
deduct (as an ordinary, not capital, loss)  the excess, if any, of its  adjusted
basis  in  PFIC stock  over  the fair  market value  thereof  as of  the taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that stock included in income  by the Fund for  prior taxable years. The  Fund's
adjusted  basis in each PFIC's stock subject to the election will be adjusted to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations  proposed in 1992  would provide a similar  election with respect to
the stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends paid by the Fund to a shareholder  who, as to the United States, is  a
nonresident  alien individual, nonresident alien fiduciary of a trust or estate,
foreign corporation  or foreign  partnership ("foreign  shareholder")  generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder  that is "effectively connected with the  conduct of a U.S. trade or
business," in which case the  reporting and withholding requirements  applicable
to  domestic shareholders will apply. A distribution  of net capital gain by the
Fund to a foreign shareholder generally  will be subject to U.S. federal  income
tax  (at the rates applicable  to domestic persons) only  if the distribution is
"effectively connected"  or the  foreign shareholder  is treated  as a  resident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options  and Futures and entering into Forward Contracts, involves complex rules
that will determine, for federal income tax purposes, the amount, character  and
timing  of recognition of the  gains and losses the  Fund realizes in connection
therewith. Gains  from the  disposition of  foreign currencies  (except  certain
gains  that  may be  excluded by  future regulations),  and gains  from options,
Futures and Forward Contracts derived by  the Fund with respect to its  business
of  investing in  securities or foreign  currencies will  qualify as permissible
income under the Income Requirement.
 
Futures and  Forward Contracts  that are  subject to  section 1256  of the  Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and  that are  held by  the  Fund at  the end  of its  taxable  year
generally  will be deemed to  have been sold at  market value for federal income
tax purposes. Sixty percent of any net  gain or loss recognized on these  deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256  Contracts, will  be treated  as long-term  capital gain  or loss,  and the
balance will be treated as  short-term capital gain or loss.  As of the date  of
preparation  of this  Statement of  Additional Information,  it is  not entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the  15%
marginal  tax bracket) for gain recognized on  capital assets held for more than
18 months -- instead of  the 28% rate in  effect before that legislation,  which
now applies to gain recognized on capital assets held for more than one year but
not more than
 
                  Statement of Additional Information Page 33
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
18  months, although  technical corrections legislation  passed by  the House of
Representatives late in 1997 would treat it as qualifying therefor.
 
Section 988 of the Code also may apply to gains and losses from transactions  in
foreign  currencies, foreign-currency-denominated  debt securities  and options,
Futures and Forward  Contracts on  foreign currencies ("Section  988" gains  and
losses).  Each Section  988 gain  or loss  generally is  computed separately and
treated as ordinary income or loss. In the case of overlap between sections 1256
and 988, special provisions  determine the character and  timing of any  income,
gain  or loss. The Fund attempts to monitor section 988 transactions to minimize
any adverse tax impact.
 
If the Fund has  an "appreciated financial position"  -- generally, an  interest
(including  an interest through an option,  Futures or Forward Contract or short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership interest the fair market value  of which exceeds its adjusted  basis
- --  and enters into a  "constructive sale" of the  same or substantially similar
property, the Fund will be treated as  having made an actual sale thereof,  with
the  result  that gain  will be  recognized  at that  time. A  constructive sale
generally consists of a short sale, an offsetting notional principal contract or
Futures or Forward Contract entered  into by the Fund  or a related person  with
respect  to  the same  or substantially  similar property.  In addition,  if the
appreciated financial  position is  itself  a short  sale  or such  a  contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The  foregoing  is a  general  and abbreviated  summary  of certain  federal tax
considerations affecting the Fund and  its shareholders. Investors are urged  to
consult their own tax advisers for more detailed information and for information
regarding  any  foreign,  state  and  local  taxes  applicable  to distributions
received from the Fund.
 
- --------------------------------------------------------------------------------
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
   
AIM was organized in 1976, and  along with its subsidiaries, manages or  advises
over  50 investment company portfolios encompassing  a broad range of investment
objectives. AIM is a direct, wholly owned  subsidiary of A I M Management  Group
Inc.  ("AIM  Management"),  a  holding  company that  has  been  engaged  in the
financial services  business since  1976. AIM  is the  sole shareholder  of  the
Funds'  principal underwriter, AIM  Distributors. AIM Management  is an indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England. AMVESCAP  PLC  and  its  subsidiaries  are  an  independent  investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide   asset  management  affiliates  also   currently  include  GT  Asset
Management Inc. in Toronto, Canada; GT Asset Management PLC in London,  England;
GT  Asset Management Ltd.  in Hong Kong;  GT Asset Management  Ltd. in Toyko; GT
Asset Management Pte.  Ltd. in Singapore;  GT Asset Management  Ltd. in  Sydney,
Australia; and GT Asset Management GmbH in Frankfurt.]
    
 
CUSTODIAN
State  Street  Bank and  Trust Company  ("State  Street"), 225  Franklin Street,
Boston, MA  02110, acts  as custodian  of  the Fund's  assets. State  Street  is
authorized  to  establish  and  has  established  separate  accounts  in foreign
currencies and to cause securities of the  Fund to be held in separate  accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The  Funds' independent accountants are                        , One Post Office
Square, Boston, MA 02109.                        will conduct an annual audit of
the Fund, assists in the preparation of the Fund's federal and state income  tax
returns  and consults with the Company and the Fund as to matters of accounting,
regulatory filings, and federal and state income taxation.
    
 
   
The audited financial statements  of the Company included  in this Statement  of
Additional Information have been examined by                        as stated in
their  opinion appearing herein  and are included in  reliance upon such opinion
given upon the authority of that firm as experts in accounting and auditing.
    
 
   
USE OF NAME
    
   
The Sub-adviser  has granted  the Company  the right  to use  the "GT"  and  "GT
Global"  names and has reserved the right to  withdraw its consent to the use of
such names by the Company and/or  the Fund at any time,  or to grant the use  of
such names to any other company.
    
 
                  Statement of Additional Information Page 34
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
   
The  Fund's "Standardized Returns," as referred to in the Prospectus (see "Other
Information --  Performance  Information"  in the  Prospectus),  are  calculated
separately  for Class A and Class B shares of the Fund, as follows: Standardized
Return (average  annual total  return ("T"))  is computed  by using  the  ending
redeeming  value ("ERV")  of a hypothetical  initial investment  of $1,000 ("P")
over a period of years ("n") according  to the following formula as required  by
the  SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will be
reflected in computations made in accordance with this formula: (1) for Class  A
shares,  deduction of the maximum sales charge  of 4.75% from the $1,000 initial
investment; (2)  for Class  B  shares, deduction  of the  applicable  contingent
deferred  sales charge imposed  on a redemption  of Class B  shares held for the
period; (3) reinvestment of dividends and other distributions at net asset value
on the reinvestment date determined by the Company's Board of Trustees; and  (4)
a complete redemption at the end of any period illustrated.
    
 
The  Standardized Returns for the Class A and Class B shares of the Fund, stated
as average annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                             LATIN AMERICA      LATIN AMERICA
PERIOD                                                                                      FUND (CLASS A)     FUND (CLASS B)
- -----------------------------------------------------------------------------------------  -----------------  -----------------
<S>                                                                                        <C>                <C>
Fiscal year ended Oct. 31, 1997..........................................................           3.37%              3.04%
Oct. 31, 1992 through Oct. 31, 1997......................................................           7.01%               n/a
April 1, 1993 (commencement of operations) through Oct. 31, 1997.........................            n/a               5.20%
Aug. 13, 1991 (commencement of operations) through Oct. 31, 1997.........................           7.23%               n/a
</TABLE>
 
NON-STANDARDIZED RETURNS In addition to Standardized Returns, the Fund may  also
include  in advertisements, sales literature and shareholder reports other total
return performance data ("Non-Standardized Return"). Non-Standardized Return  is
calculated  separately for  Class A and  Class B shares  of the Fund  and may be
calculated according to several different formulas. Non-Standardized Returns may
be quoted for the same or different time periods for which Standardized  Returns
are  quoted. Non-Standardized  Returns may  or may  not take  sales charges into
account; performance data calculated without taking the effect of sales  charges
into account will be higher than data including the effect of such charges.
 
Average  annual Non-Standardized  Return ("T") is  computed by  using the ending
redeeming value ("ERV")  of a  hypothetical initial investment  of $1,000  ("P")
over  a period of years ("n") according  to the following formula as required by
the SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will  be
reflected in computations made in accordance with this formula: (1) no deduction
of  sales charges; (2) reinvestment of  dividends and other distributions at net
asset value on the reinvestment date determined by the Board; and (3) a complete
redemption at the end of any period illustrated.
 
The average annual Non-Standardized Returns for  the Class A and Class B  shares
of  the Fund, stated as average annualized  total returns for the periods shown,
were:
 
<TABLE>
<CAPTION>
                                                                                             LATIN AMERICA      LATIN AMERICA
PERIOD                                                                                      FUND (CLASS A)     FUND (CLASS B)
- -----------------------------------------------------------------------------------------  -----------------  -----------------
<S>                                                                                        <C>                <C>
Fiscal year ended Oct. 31, 1997..........................................................           8.52%              8.04%
Oct. 31, 1991 through Oct. 31, 1997......................................................           8.06%               n/a
April 1, 1993 (commencement of operations) through Oct. 31, 1997.........................            n/a               5.56%
Aug. 13, 1991 (commencement of operations) through Oct. 31, 1997.........................           8.07%               n/a
</TABLE>
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to the following  formula: T =  (VOA/P)-1. Aggregate Non-Standardized
Return assumes reinvestment  of dividends  and other distributions  and, as  set
forth below, may or may not take sales charges into account.
 
                  Statement of Additional Information Page 35
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the  Class A  and Class  B shares  of the  Fund, stated  as aggregate  total
returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                            LATIN AMERICA    LATIN AMERICA
PERIOD                                                                                     FUND (CLASS A)   FUND (CLASS B)
- -----------------------------------------------------------------------------------------  ---------------  ---------------
<S>                                                                                        <C>              <C>
April 1, 1993 (commencement of operations) through Oct. 31, 1997.........................           n/a            28.14%
Aug. 13, 1991 (commencement of operations) through Oct. 31, 1996.........................         62.00%             n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (taking  sales charges into account) for
the Class A and B shares of the Fund, stated as aggregate total returns for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                            LATIN AMERICA    LATIN AMERICA
PERIOD                                                                                     FUND (CLASS A)   FUND (CLASS B)
- -----------------------------------------------------------------------------------------  ---------------  ---------------
<S>                                                                                        <C>              <C>
April 1, 1993 (commencement of operations) through Oct. 31, 1997.........................           n/a            26.14%
Aug. 13, 1991 (commencement of operations) through Oct. 31, 1997.........................         54.30%             n/a
</TABLE>
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
The  Fund and AIM  Distributors may from  time to time  in advertisements, sales
literature and reports furnished to present or prospective shareholders, compare
the Fund with the following, among others:
    
 
        (1) The Consumer Price Index ("CPI"), which is a measure of the  average
    change  in prices over time  in a fixed market  basket of goods and services
    (e.g., food,  clothing, shelter,  fuels, transportation  fares, charges  for
    doctors' and dentists' services, prescription medicines, and other goods and
    services  that people  buy for day-to-day  living). There  is inflation risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2) Data  and  mutual fund  rankings  published or  prepared  by  Lipper
    Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger  Investment
    Company Service  ("CDA/Wiesenberger"),  Morningstar,  Inc.  ("Morningstar"),
    Micropal,  Inc. and/or other companies that rank and/or compare mutual funds
    by overall  performance,  investment  objectives,  assets,  expense  levels,
    periods  of existence and/or other  factors. In this regard  the Fund may be
    compared to  its  "peer  group"  as  defined  by  Lipper,  CDA/Wiesenberger,
    Morningstar  and/or  other firms,  as applicable,  or  to specific  funds or
    groups of funds within or outside of such peer group. Lipper generally ranks
    funds on the basis of total return, assuming reinvestment of  distributions,
    but  does not take sales charges  or redemption fees into consideration, and
    is prepared without regard  to the consequences. In  addition to the  mutual
    fund  rankings,  the  Fund's  performance may  be  compared  to  mutual fund
    performance indices prepared by Lipper. Morningstar is a mutual fund  rating
    service  that  also  rates  mutual  funds  on  the  basis  of  risk-adjusted
    performance. Morningstar ratings  are calculated from  a fund's three,  five
    and  ten year average annual returns  with appropriate fee adjustments and a
    risk factor that reflects fund performance relative to the three-month  U.S.
    Treasury  bill monthly  returns. Ten percent  of the funds  in an investment
    category receive five stars  and 22.5% receive four  stars. The ratings  are
    subject to change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    price of 500 of the largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley Capital  International Latin America Emerging  Market
    Indices,  including the Morgan  Stanley Emerging Markets  Free Latin America
    Index (which excludes Mexican banks and securities companies which cannot be
    purchased by  foreigners) and  the Morgan  Stanley Emerging  Markets  Global
    Latin America Index. Both
 
                  Statement of Additional Information Page 36
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
    indices include 60% of the market capitalization of the following countries:
    Argentina,  Brazil, Chile  and Mexico.  The indices  are weighted  by market
    capitalization and are calculated without dividends reinvested.
 
       (10) Salomon Brothers  World Government Bond  Index and Salomon  Brothers
    World  Government Bond Index-Non-U.S., each of  which is a widely used index
    composed of world government bonds.
 
       (11) The  World  Bank  Publication  of  Trends  in  Developing  Countries
    ("TIDE"), which provides brief reports on most of the World Bank's borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunications companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval  service  for information,  including international  financial and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
       (17)  Various publications produced  by ratings agencies  such as Moody's
    Investors Service, Inc. ("Moody's"),  Standard & Poor's,  a division of  The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18)  Wilshire Associates, which is an on-line database for international
    financial and economic data including  performance measure for a wide  range
    of securities.
 
       (19)  Bank Rate National Monitor Index, which is an average of the quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20) International Financial Corporation ("IFC") Latin American  Indices,
    which  include 60% of the market capitalization in the covered countries and
    are  market  weighted.  One  index  includes  dividends  and  one   excludes
    dividends.
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various  financial  organizations,  such  as  Salomon  Brothers,  Inc.,   Lehman
Brothers,  Merrill  Lynch,  Pierce,  Fenner &  Smith,  Inc.,  Financial Research
Corporation, J. P. Morgan, Morgan Stanley, Smith Barney Shearson, S.G.  Warburg,
Jardine  Flemming,  The Bank  for  International Settlements,  Asian Development
Bank,  Bloomberg,  L.P.  and  Ibbotson  Associates,  may  be  used  as  well  as
information  reported by the Federal Reserve and the respective Central Banks of
various nations. In  addition, AIM  Distributors may  use performance  rankings,
ratings and commentary reported periodically in national financial publications,
including  Money Magazine,  Mutual Fund  Magazine, Smart  Money, Global Finance,
EuroMoney, Financial World, Forbes, Fortune,  Business Week, Latin Finance,  The
Wall  Street  Journal, Emerging  Markets Weekly,  Kiplinger's Guide  To Personal
Finance, Barron's,  The Financial  Times, USA  Today, The  New York  Times,  Far
Eastern  Economic Review, The Economist and  Investors Business Digest. The Fund
may compare  its  performance  to  that of  other  compilations  or  indices  of
comparable quality to those listed above and other indices that may be developed
and made available in the future.
    
 
   
Information   relating  to   foreign  market   performance,  capitalization  and
diversification is based on sources believed  to be reliable but may be  subject
to  revision  and  has  not  been independently  verified  by  the  Fund  or AIM
Distributors. The  authors  and  publishers  of such  material  are  not  to  be
considered  as "experts" under the 1933 Act, on account of the inclusion of such
information herein.
    
 
A portion of the  performance figures for each  market includes the positive  or
negative effects of the currency exchange rates effective at December 31 of each
year  between the U.S. dollar and currency of the foreign market (e.g., Japanese
Yen, German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that  has
strengthened  or weakened against the U.S.  dollar will positively or negatively
affect the reported returns, as the case may be.
 
                  Statement of Additional Information Page 37
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
AIM Distributors  believes that  this  information may  be useful  to  investors
considering  whether and to  what extent to  diversify their investments through
the purchase of mutual funds investing in securities on a global basis. However,
this data is not a representation of the past performance of the Fund, nor is it
a prediction of such performance. The performance of the Funds will differ  from
the  historical performance of relevant indices. The performance of indices does
not take  expenses  into  account,  while  each  Fund  incurs  expenses  in  its
operations,  which will reduce performance. Each of these factors will cause the
performance of each Fund to differ from relevant indices.
    
 
   
From time to  time, the Fund  and AIM Distributors  may refer to  the number  of
shareholders  in the  Fund or  the aggregate  number of  shareholders in  all GT
Global Mutual Funds  or the  dollar amount of  Fund assets  under management  or
rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM  Distributors believes the  Fund is an  appropriate investment for long-term
investment  goals,  including  funding  retirement,  paying  for  education   or
purchasing  a house. AIM  Distributors may provide  information designed to help
individuals understand  their investment  goals  and explore  various  financial
strategies.  For example,  AIM Distributors  may describe  general principles of
investing, such as  asset allocation,  diversification and  risk tolerance.  The
Fund  does not represent a complete  investment program and the investors should
consider the  Fund as  appropriate for  a portion  of their  overall  investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From  time to time, AIM Distributors may refer to or advertise the names of U.S.
and non-U.S. companies and  their products, although there  can be no  assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets  is based  on  the returns  of  different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to  demonstrate  general  risk-versus-reward  investment  scenarios. Performance
comparisons may also include  the value of a  hypothetical investment in any  of
these  capital  markets. The  risks associated  with the  security types  in any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Fund.
 
The Fund may quote various measures of volatility and benchmark correlation such
as beta, standard deviation and R(2)  in advertising. In addition, the Fund  may
compare  these measures to those of other  funds. Measures of volatility seek to
compare the Fund's historical share price fluctuations or total return to  those
of a benchmark.
 
The  Fund may  advertise examples of  the effects of  periodic investment plans,
including the principle of dollar cost averaging programs. In such a program, an
investor invests a fixed dollar amount in a fund at periodic intervals,  thereby
purchasing  fewer shares when  prices are high  and more shares  when prices are
low. While such a strategy does not assure  a profit or guard against loss in  a
declining  market, the investor's  average cost per  share can be  lower than if
fixed numbers of shares are purchased at the same intervals. In evaluating  such
a  plan, investors should  consider their ability  to continue purchasing shares
through periods of low price levels.
 
The Fund may describe in its  sales material and advertisements how an  investor
may  invest in GT Global Mutual Funds  through various retirement plans or other
programs that offer deferral of income taxes on investment earnings and pursuant
to which  an  investor  may  make deductible  contributions.  Because  of  their
advantages,  these retirement plans and programs may produce returns superior to
comparable non-retirement investments. For example, a $10,000 investment earning
a taxable return of 10% annually would have an after-tax value of $17,976  after
ten  years, assuming tax was deducted from the return each year at a 39.6% rate.
An equivalent tax-deferred investment would  have an after-tax value of  $19,626
after  ten years, assuming  tax was deducted  at a 39.6%  rate from the deferred
earnings  at  the   end  of  the   ten-year  period.  In   sales  material   and
advertisements,  the  Fund  may  also  discuss  these  plans  and  programs. See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM Distributors may  from time  to time in  its sales  methods and  advertising
discuss  the risks inherent in investing. The major types of investment risk are
market risk, industry risk, credit risk, interest rate risk, liquidity risk  and
inflation risk. Risk represents the possibility that you may lose some or all of
your investment over a period of time. A basic tenet of investing is the greater
the potential reward, the greater the risk.
    
 
                  Statement of Additional Information Page 38
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
From  time  to  time,  the  Fund and  AIM  Distributors  will  quote information
regarding industries,  individual  companies, countries,  regions,  world  stock
exchanges, and economic and demographic statistics from sources AIM Distributors
deems   reliable,  including  the  economic  and  financial  data  of  financial
organizations, such as:
    
 
 1) Stock market  capitalization:  Morgan Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 2) Stock  market  trading volume:  Morgan  Stanley Capital  International World
    Indices and IFC.
 
 3) The number of  listed companies: IFC,  G.T. Guide to  World Equity  Markets,
    Salomon Brothers, Inc., and S.G. Warburg.
 
 4) Wage  rates: U.S. Department of Labor  Statistics and Morgan Stanley Capital
    International World Indices.
 
 5) International industry  performance:  Morgan Stanley  Capital  International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock   market  performance:  Morgan  Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 7) The Consumer Price Index and inflation rate: The World Bank, Datastream  and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry or market: IFC, G.T. Guide to World
    Equity Markets, Salomon Brothers Inc., and S.G. Warburg.
 
15) Foreign  Direct  Investments to  developing  countries: The  World  Bank and
    Datastream.
 
16) Supply, consumption,  demand  and  growth in  demand  of  certain  products,
    services  and industries, including, but not limited to, electricity, water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources of such information may include,  but would not be limited to,  The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard  deviation and performance returns for U.S. and non-U.S. equity and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries restructuring their  debt, including those  under the Brady  Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government  and corporate  bonds --  credit ratings,  yield to  maturity and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From time to time, AIM Distributors may include in its advertisements and  sales
material,   information  about  privatization,  which  is  an  economic  process
involving the sale of state-owned companies to the private sector.
    
 
   
In advertising and sales  materials, AIM Distributors may  make reference to  or
discuss  its products, services and accomplishments. Among these accomplishments
are that in 1983 the Sub-adviser  provided assistance to the government of  Hong
Kong  in  linking its  currency to  the U.S.  dollar, and  that in  1987 Japan's
Ministry of  Finance licensed  LGT Asset  Management Ltd.  as one  of the  first
foreign   discretionary  investment  management  for  Japanese  investors.  Such
accomplishments, however,  should  not  be  viewed  as  an  endorsement  of  the
Sub-adviser  by the government of Hong Kong,  Japan's Ministry of Finance or any
other government or government  agency. Nor do any  such accomplishments of  the
Sub-adviser  provide any assurance  that the GT  Global Mutual Funds' investment
objectives will be achieved.
    
 
                  Statement of Additional Information Page 39
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
[GT GLOBAL ADVANTAGE
    
As part of Liechtenstein Global Trust,  GT Global continues a 75-year  tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine offices  worldwide,  we  witness world  events  and  economic  developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The  key to achieving  consistent results is  following a disciplined investment
process. Our  approach  to  asset  allocation takes  advantage  of  GT  Global's
worldwide   presence  and  global  perspective.  Our  "macroeconomic"  worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up process  of  security  selection combines  fundamental  research  with
quantitative analysis through our proprietary models.
 
Built-in  checks  and balances  strengthen  the process,  enhancing professional
experience and judgment with an  objective assessment of risk. Ultimately,  each
security  we select has passed  a ranking system that  helps our portfolio teams
determine when to buy and when to  sell. With respect to stocks, a global  stock
research  ("GSR") database developed  by GT Global is  utilized in the selection
process. All stocks  within the GSR  database are systematically  ranked by  our
analysts  on a  1-5 basis  with 1 representing  the most  favored. The rankings,
along with our  quantitative, fundamental research,  determine which stocks  are
bought and sold.
 
GT  Global describes the major stages of  economic development as revolving in a
"virtuous cycle." From time  to time, each  Fund and GT  Global may discuss  the
virtuous  cycle in  its sales  literature and  advertising. This  cycle operates
worldwide,  forcing  companies   to  become  increasingly   competitive  in   an
ever-expanding  global  marketplace.  GT  Global  has  identified  the following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL  FLOWS FROM  DEVELOPED MARKETS  TO EMERGING  MARKETS: As  barriers fall,
restrictions on the free movement of capital  in and out of a country are  often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED  DEMAND FOR  GLOBAL CONSUMER PRODUCTS:  As people  in emerging markets
experience rising standards of living  due to increased industrialization,  they
demand more consumer products which can help spur global trade flows.
 
   
GT  Global believes that we  increasingly live in a  world without boundaries in
terms of trade, competition and  investment opportunities. Therefore, GT  Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings,  or themes,  as an alternative  to the traditional,  primary focus on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
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                          DESCRIPTION OF DEBT RATINGS
 
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DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by various entities from  "Aaa" to "C." Investment  grade ratings are the  first
four categories:
 
        Aaa  -- Bonds which are rated Aaa are  judged to be of the best quality.
    They carry the smallest degree of investment risk and are generally referred
    to as "gilt  edged." Interest payments  are protected  by a large  or by  an
    exceptionally  stable  margin and  principal  is secure.  While  the various
    protective elements are likely to change, such changes as can be  visualized
    are  most  unlikely  to impair  the  fundamentally strong  position  of such
    issues.
 
        Aa -- Bonds which are rated Aa are  judged to be of high quality by  all
    standards.  Together with  the Aaa  group they  comprise what  are generally
    known as high grade bonds. They are rated lower than the best bonds, because
 
                  Statement of Additional Information Page 40
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa    --   Bonds    which   are    rated   Baa    are   considered   as
    medium-grade-obligations, (i.e.,  they  are  neither  highly  protected  nor
    poorly  secured). Interest  payments and principal  security appear adequate
    for the present  but certain protective  elements may be  lacking or may  be
    characteristically unreliable over any great length of time. Such bonds lack
    outstanding   investment  characteristics  and   in  fact  have  speculative
    characteristics as well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
    1. An application for rating was not received or accepted.
 
    2. The issue or issuer  belongs to a group  of securities or companies  that
       are not rated as a matter of policy.
 
    3. There is a lack of essential data pertaining to the issue or issuer.
 
    4. The issue was privately placed, in which case the rating is not published
       in Moody's publications.
 
Suspension  or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data  to permit  a judgment  to be  formed; if  a bond  is
called for redemption; or for other reasons.
 
Note:  Moody's applies numerical  modifiers, 1, 2  and 3 in  each generic rating
classification from Aa to Caa. The  modifier 1 indicates that the Company  ranks
in  the higher end  of its generic  rating category; the  modifier 2 indicates a
mid-range ranking; and the  modifier 3 indicates that  the Company ranks in  the
lower end of its generic rating category.
 
    STANDARD  & POOR'S, a  division of The  McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various  entities in categories ranging from  "AAA"
to  "D"  according  to quality.  Investment  grade  ratings are  the  first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA  --  An  obligation  rated  "AA"  differs  from  the  highest   rated
    obligations  only  in a  small degree.  The obligor's  capacity to  meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB  --  An   obligation  rated  "BBB"   exhibits  adequate   protection
    parameters.  However, adverse economic  conditions or changing circumstances
    are more likely to lead  to a weakened capacity of  the obligor to meet  its
    financial commitment on the obligation.
 
                  Statement of Additional Information Page 41
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
        BB,  B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and "C"
    are  regarded  as  having  significant  speculative  characteristics.   "BB"
    indicates  the least degree  of speculation and "C"  the highest. While such
    obligations will likely  have some quality  and protective  characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB  -- An  obligation rated "BB"  is less vulnerable  to nonpayment than
    other speculative issues. However, it  faces major ongoing uncertainties  or
    exposure  to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate  capacity to meet its financial  commitment
    on the obligation.
 
        B  --  An obligation  rated "B"  is more  vulnerable to  nonpayment than
    obligations rated "BB," but the obligor  currently has the capacity to  meet
    its  financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to  nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for  the obligor to meet its financial  commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to  have the  capacity to meet  its financial  commitment on  the
    obligation.
 
        CC  --  An  obligation  rated "CC"  is  currently  highly  vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a  bankruptcy
    petition  has been filed or  similar action has been  taken, but payments on
    this obligation are being continued.
 
        D --  An obligation  rated "D"  is in  payment default.  The "D"  rating
    category is used when payments on an obligation are not made on the date due
    even  if the  applicable grace period  has not expired,  unless S&P believes
    that such payments  will be made  during such grace  period. The "D"  rating
    also  will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by  the
addition  of a  plus or minus  sign to  show relative standing  within the major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient  information on which to base a rating, or that S&P does not rate a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S employs  the  designation  "Prime-1" to  indicate  commercial  paper
having  a superior ability for repayment  of senior short-term debt obligations.
Prime-1 repayment  ability will  often be  evidenced by  many of  the  following
characteristics:  leading market positions  in well-established industries; high
rates of return  on funds employed;  conservative capitalization structure  with
moderate  reliance on debt and ample asset protection; broad margins in earnings
coverage of  fixed financial  charges  and high  internal cash  generation;  and
well-established  access to a range of  financial markets and assured sources of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior short-term debt obligations. This normally  will be evidenced by many  of
the  characteristics cited  above but  to a  lesser degree.  Earnings trends and
coverage ratios, while sound, may  be more subject to variation.  Capitalization
characteristics,  while  still appropriate,  may  be more  affected  by external
conditions. Ample alternate liquidity is maintained.
 
    S&P ratings of commercial paper  are graded into several categories  ranging
from  "A1" for the highest quality obligations  to "D" for the lowest. Issues in
the "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate  the
relative  degree  of safety.  A-1 --  This highest  category indicates  that the
degree of safety regarding timely payment is strong. Those issues determined  to
possess extremely strong safety characteristics will be denoted with a plus sign
(+)  designation.  A-2  -- Capacity  for  timely  payments on  issues  with this
designation is satisfactory; however,  the relative degree of  safety is not  as
high as for issues designated "A-1."
 
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                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
   
To be Filed.
    
 
                  Statement of Additional Information Page 42
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                     NOTES
 
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<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
GROWTH AND INCOME FUNDS
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
FIXED INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY  G.T.
  INVESTMENT FUNDS, GT GLOBAL LATIN AMERICA GROWTH FUND, A I M ADVISORS, INC.,
  [CHANCELLOR  LGT ASSET  MANAGEMENT, INC.] OR  A I M  DISTRIBUTORS, INC. THIS
  STATEMENT OF ADDITIONAL INFORMATION DOES NOT CONSTITUTE AN OFFER TO SELL  OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
                                                                      LATSA703MC
<PAGE>
                               GT GLOBAL EMERGING
                                  MARKETS FUND
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
                      Statement of Additional Information
                                  June 1, 1998
    
 
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This  Statement of  Additional Information  relates to the  Class A  and Class B
shares of GT Global  Emerging Markets Fund ("Fund").  The Fund is a  diversified
series   of  G.T.  Investment  Funds  (the  "Company"),  a  registered  open-end
management investment company. This  Statement of Additional Information,  which
is  not a  prospectus, supplements  and should be  read in  conjunction with the
Fund's current Class A and Class B Prospectus dated June 1, 1998. A copy of  the
Fund's Prospectus is available without charge by writing to the above address or
by calling the Fund at the toll-free telephone number listed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator  for,   and  [Chancellor   LGT   Asset  Management,   Inc.]   (the
"Sub-adviser")  serves as the investment  sub-adviser and sub-administrator for,
the Fund. The distributor of the Fund's shares is A I M Distributors, Inc. ("AIM
Distributors"). The Fund's transfer agent  is GT Global Investor Services,  Inc.
("GT Services" or the "Transfer Agent").
    
 
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                               TABLE OF CONTENTS
 
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<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objective and Policies........................................................................................      2
Options, Futures and Currency Strategies.................................................................................      6
Risk Factors.............................................................................................................     14
Investment Limitations...................................................................................................     19
Execution of Portfolio Transactions......................................................................................     20
Trustees and Executive Officers..........................................................................................     22
Management...............................................................................................................     24
Valuation of Fund Shares.................................................................................................     26
Information Relating to Sales and Redemptions............................................................................     28
Taxes....................................................................................................................     32
Additional Information...................................................................................................     34
Investment Results.......................................................................................................     35
Description of Debt Ratings..............................................................................................     40
Financial Statements.....................................................................................................     42
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
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INVESTMENT OBJECTIVE
The  investment objective of the  Fund is long-term growth  of capital. The Fund
seeks this objective by investing, under  normal circumstances, at least 65%  of
its total assets in equity securities of companies in emerging markets. The Fund
does  not consider  the following countries  to be  emerging markets: Australia,
Austria, Belgium, Canada, Denmark,  England, Finland, France, Germany,  Ireland,
Italy,  Japan, the Netherlands, New  Zealand, Norway, Spain, Sweden, Switzerland
and United States. The  Fund normally may invest  up to 35% of  its assets in  a
combination  of  (i)  debt  securities of  government  or  corporate  issuers in
emerging markets;  (ii)  equity and  debt  securities of  issuers  in  developed
countries,  including the United States; (iii) securities of issuers in emerging
markets not included in  the list of  emerging markets set  forth in the  Fund's
current   Prospectus,  if  investing  therein  becomes  feasible  and  desirable
subsequent to the date of the Fund's current Prospectus; and (iv) cash and money
market instruments.
 
   
In determining what countries constitute emerging markets, the Sub-adviser  will
consider,  among other things,  data, analysis, and  classification of countries
published or  disseminated  by the  International  Bank for  Reconstruction  and
Development  (commonly known  as the World  Bank) and  the International Finance
Corporation.
    
 
SELECTION OF EQUITY INVESTMENTS
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries  and  geographic  regions  for the  Fund,  the  Sub-adviser ordinarily
considers the following factors: prospects for relative economic growth  between
the  different  countries  in which  the  Fund  may invest;  expected  levels of
inflation; government policies influencing business conditions; the outlook  for
currency relationships; and the range of the individual investment opportunities
available to international investors.
    
 
   
In  analyzing  companies in  emerging markets  for investment  by the  Fund, the
Sub-adviser ordinarily looks for one  or more of the following  characteristics:
an  above-average earnings  growth per share;  high return  on invested capital;
healthy balance  sheet;  sound financial  and  accounting policies  and  overall
financial  strength;  strong  competitive  advantages;  effective  research  and
product development  and  marketing;  efficient  service;  pricing  flexibility;
strength  of management; and general operating characteristics which will enable
the companies  to  compete successfully  in  their respective  marketplaces.  In
certain countries, governmental restrictions and other limitations on investment
may  affect the maximum percentage of equity ownership in any one company by the
Fund. In addition, in some instances  only special classes of securities may  be
purchased by foreigners and the market prices, liquidity and rights with respect
to those securities may vary from shares owned by nationals.
    
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
The Fund may be prohibited under the Investment Company Act of 1940, as  amended
("1940  Act") from purchasing the securities of any foreign company that, in its
most recent  fiscal year,  derived more  than  15% of  its gross  revenues  from
securities-related  activities ("securities-related companies").  In a number of
countries,  commercial  banks  act  as  securities  broker/dealers,   investment
advisers  and underwriters or otherwise engage in securities-related activities,
which may limit the Fund's ability to hold securities issued by banks. The  Fund
has obtained an exemption from the Securities and Exchange Commission ("SEC") to
permit  it  to  invest  in  certain  of  these  securities  subject  to  certain
restrictions.
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
With respect to certain countries investments by the Fund presently may be  made
only  by acquiring  shares of  other investment  companies (including investment
vehicles or companies advised by the Sub-adviser or its affiliates  ("Affiliated
Funds")) with local governmental approval to invest in those countries. The Fund
may  invest  in the  securities of  closed-end  investment companies  within the
limits of the 1940 Act. These  limitations currently provide, in part, that  the
Fund may
    
 
                   Statement of Additional Information Page 2
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
   
purchase  shares of a  closed-end investment company unless  (a) such a purchase
would cause the Fund to  own in the aggregate more  than 3 percent of the  total
outstanding  voting stock of the investment company or (b) such a purchase would
cause the Fund to have more than 5  percent of its total assets invested in  the
investment  company or more than 10 percent  of its total assets invested in the
aggregate in  all  such  investment companies.  Investment  in  such  investment
companies  may involve  the payment of  substantial premiums above  the value of
such companies' portfolio securities. The Fund does not intend to invest in such
funds unless, in the judgment of the Sub-adviser, the potential benefits of such
investments justify the payment of any  applicable premiums. The return on  such
securities  will be  reduced by operating  expenses of  such companies including
payments to the investment managers of those investment companies. With  respect
to  investments in Affiliated Funds, the  Sub-adviser waives its advisory fee to
the extent that such fees are based on assets of the Fund invested in Affiliated
Funds. At such time as direct investment in these countries is allowed, the Fund
anticipates investing directly in these markets.
    
 
SAMURAI AND YANKEE BONDS
Subject to  its fundamental  investment  restrictions, the  Fund may  invest  in
yen-denominated  bonds sold in Japan  by non-Japanese issuers ("Samurai bonds"),
and may invest in dollar-denominated bonds sold in the United States by non-U.S.
issuers ("Yankee bonds"). As  compared with bonds issued  in their countries  of
domicile,  such bond issues normally  carry a higher interest  rate but are less
actively traded. It is  the policy of  the Fund to invest  in Samurai or  Yankee
bond  issues  only  after  taking into  account  considerations  of  quality and
liquidity, as well as  yield. These bonds would  be issued by governments  which
are members of the Organization for Economic Cooperation and Development or have
AAA ratings.
 
DEPOSITORY RECEIPTS
The  Fund  may  hold securities  of  foreign  issuers in  the  form  of American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs"), or other
securities  convertible  into  securities  of  eligible  foreign  issuers. These
securities may  not necessarily  be  denominated in  the  same currency  as  the
securities  for which they may be exchanged.  ADRs and ADSs typically are issued
by an  American bank  or  trust company  and  evidence ownership  of  underlying
securities  issued by a foreign corporation.  EDRs, which are sometimes referred
to as Continental Depository Receipts  ("CDRs"), are issued in Europe  typically
by foreign banks and trust companies and evidence ownership of either foreign or
domestic  securities.  GDRs are  similar to  EDRs  and are  designed for  use in
several international financial markets. Generally, ADRs and ADSs in  registered
form are designed for use in United States securities markets and EDRs in bearer
form  are designed for use  in European securities markets.  For purposes of the
Fund's investment policies, the Fund's investments in ADRs, ADSs, GDRs and  EDRs
will  be  deemed  to  be  investments  in  the  equity  securities  representing
securities of foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally  the same manner as unsponsored  facilities,
except  that  the  issuer of  the  deposited  securities enters  into  a deposit
agreement with the  depository. The deposit  agreement sets out  the rights  and
responsibilities  of  the  issuer,  the depository  and  the  ADR  holders. With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository), although ADR holders continue to bear certain other costs (such  as
deposit  and withdrawal fees).  Under the terms  of most sponsored arrangements,
depositories agree  to distribute  notices of  shareholder meetings  and  voting
instructions, and to provide shareholder communications and other information to
the  ADR holders at the  request of the issuer  of the deposited securities. The
Fund may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants or  rights  may  be acquired  by  the  Fund in  connection  with  other
securities  or separately and provide  the Fund with the  right to purchase at a
later date other securities of the issuer.
 
                   Statement of Additional Information Page 3
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
COMMERCIAL BANK OBLIGATIONS
For the  purposes  of  the  Fund's investment  policies  with  respect  to  bank
obligations,  obligations of foreign branches of U.S. banks and of foreign banks
are obligations of the issuing bank and may be general obligations of the parent
bank. Such  obligations, however,  may be  limited by  the terms  of a  specific
obligation  and  by  government  regulation.  As  with  investment  in  non-U.S.
securities in general,  investments in  the obligations of  foreign branches  of
U.S.  banks and of foreign  banks may subject the  Fund to investment risks that
are different  in some  respects from  those of  investments in  obligations  of
domestic  issuers. Although the  Fund typically will  acquire obligations issued
and supported by the credit of U.S. or foreign banks having total assets at  the
time  of purchase  in excess  of $1  billion, this  $1 billion  figure is  not a
fundamental investment policy or  restriction of the Fund.  For the purposes  of
calculation  with respect to the $1 billion figure, the assets of a bank will be
deemed to include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A repurchase agreement is a transaction  in which the Fund purchases a  security
from a bank or recognized securities dealer and simultaneously commits to resell
that  security to the  bank or dealer  at an agreed-upon  price, date and market
rate of  interest unrelated  to the  coupon rate  or maturity  of the  purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to  the repurchase  agreement becomes bankrupt,  the Fund intends  to enter into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present minimal  credit risks  in  accordance with  guidelines approved  by  the
Company's   Board  of  Trustees.  The   Sub-adviser  reviews  and  monitors  the
creditworthiness of such institutions under the Board's general supervision.
    
 
The Fund will invest only in  repurchase agreements collateralized at all  times
in  an amount at least  equal to the repurchase  price plus accrued interest. To
the extent that the proceeds from any sale of such collateral upon a default  in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer  a loss. If  the financial institution  which is party  to the repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other liquidation proceedings, there may  be restrictions on the Fund's  ability
to  sell the collateral and the Fund  could suffer a loss. However, with respect
to financial  institutions  whose  bankruptcy  or  liquidation  proceedings  are
subject  to the U.S. Bankruptcy Code, the Fund intends to comply with provisions
under the U.S.  Bankruptcy Code that  would allow it  immediately to resell  the
collateral.  There is no limitation on the  amount of the Fund's assets that may
be subject to repurchase agreements at any  given time. The Fund will not  enter
into  a repurchase agreement  with a maturity of  more than seven  days if, as a
result, more than 15% of the value of  its net assets would be invested in  such
repurchase agreements and other illiquid investments.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
The  Fund's borrowings will not exceed 33 1/3% of the Fund's total assets, I.E.,
the Fund's total assets at all times will  equal at least 300% of the amount  of
outstanding  borrowings.  If  market fluctuations  in  the value  of  the Fund's
portfolio holdings or other factors cause  the ratio of the Fund's total  assets
to  outstanding borrowings to fall below 300%,  the Fund may be required to sell
portfolio securities  to  restore  300%  asset coverage,  even  though  from  an
investment  standpoint such  sales might be  disadvantageous. The  Fund also may
borrow up to 5% of  its total assets for  temporary or emergency purposes  other
than  to  meet  redemptions.  Any  borrowing  by  the  Fund  may  cause  greater
fluctuation in the value of  its shares than would be  the case if the Fund  did
not borrow.
 
   
The  Fund's fundamental investment  limitations permit the  Fund to borrow money
for leveraging purposes. The Fund, however, currently is prohibited, pursuant to
a non-fundamental  investment policy,  from purchasing  securities during  times
when  outstanding borrowings represent more than 5% of its assets. Nevertheless,
this policy may be changed in the future by vote of a majority of the  Company's
Board  of Trustees.  If the  Fund employs  leverage in  the future,  it would be
subject to certain additional risks. Use of leverage creates an opportunity  for
greater growth of capital but would exaggerate any increases or decreases in the
Fund's  net asset value. When the income  and gains on securities purchased with
the proceeds  of borrowings  exceed the  costs of  such borrowings,  the  Fund's
earnings  or net asset  value will increase  faster than otherwise  would be the
case; conversely, if such income and gains fail to exceed such costs, the Fund's
earnings or net  asset value would  decline faster than  would otherwise be  the
case.
    
 
   
The  Fund may  enter into  reverse repurchase  agreements. A  reverse repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security to another party, such as a  bank or broker/dealer in return for  cash,
and  agrees to repurchase  the security in  the future at  an agreed upon price,
which includes  an  interest component.  The  Fund  also may  engage  in  "roll"
borrowing  transactions  which involve  the Fund's  sale of  Government National
Mortgage Association certificates or other securities together with a commitment
(for which the Fund may receive a  fee) to purchase similar, but not  identical,
securities  at a future date.  The Fund will segregate  with a custodian cash or
other liquid securities
    
 
                   Statement of Additional Information Page 4
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
in an amount sufficient to cover  its obligations under "roll" transactions  and
reverse  repurchase agreements with broker/  dealers. No segregation is required
for reverse repurchase agreements with banks.
 
LENDING OF PORTFOLIO SECURITIES
   
For the purpose of realizing additional income, the Fund may make secured  loans
of  portfolio securities  amounting to  not more than  30% of  its total assets.
Securities loans are made to broker/dealers or institutional investors  pursuant
to  agreements requiring that the loans continuously be secured by collateral at
least equal at all times  to the value of the  securities lent plus any  accrued
interest,  "marked to  market" on  a daily  basis. The  Fund may  pay reasonable
administrative and custodial fees  in connection with  loans of its  securities.
While  the securities loan is outstanding, the Fund will continue to receive the
equivalent of the interest or dividends paid by the issuer on the securities, as
well as interest on the investment of the collateral or a fee from the borrower.
The Fund has  a right to  call each loan  and obtain the  securities within  the
stated  settlement  period. The  Fund will  not  have the  right to  vote equity
securities while they are being lent, but it will call in a loan in anticipation
of any  important  vote.  Loans  only  will be  made  to  firms  deemed  by  the
Sub-adviser  to be of good standing and will not be made unless, in the judgment
of the Sub-adviser, the consideration to be earned from such loans would justify
the risk.
    
 
SHORT SALES
The Fund  may  make  short sales  of  securities,  although it  has  no  current
intention  of doing so. A short sale is  a transaction in which the Fund sells a
security in anticipation that  the market price of  that security will  decline.
The  Fund may  make short  sales (i) as  a form  of hedging  to offset potential
declines in long positions in securities it owns, or anticipates acquiring,  and
(ii) in order to maintain portfolio flexibility.
 
When  the Fund makes a short sale of a  security it does not own, it must borrow
the  security  sold  short  and  deliver  it  to  the  broker/dealer  or   other
intermediary  through which it made  the short sale. The Fund  may have to pay a
fee to borrow particular securities and will often be obligated to pay over  any
payments received on such borrowed securities.
 
The  Fund's obligation  to replace the  borrowed security when  the borrowing is
called or expires will be secured by collateral deposited with the intermediary.
The Fund also will be required to  deposit collateral with its custodian to  the
extent,  if any, necessary so that the  value of both collateral deposits in the
aggregate is at all times equal to at least 100% of the current market value  of
the  security sold short.  Depending on arrangements  made with the intermediary
from which it borrowed the security regarding payment of any amounts received by
the Fund on  such security,  the Fund may  not receive  any payments  (including
interest) on its collateral deposited with such intermediary.
 
If  the price of the security sold short increases between the time of the short
sale and the time the Fund replaces the borrowed security, the Fund will incur a
loss; conversely, if the price declines, the Fund will realize a gain. Any  gain
will  be decreased, and any loss  increased, by the transaction costs associated
with the transaction. Although the Fund's gain is limited by the price at  which
it sold the security short, its potential loss theoretically is unlimited.
 
The  Fund will not make a  short sale if, after giving  effect to such sale, the
market value of the securities sold short exceeds 25% of the value of its  total
assets  or the Fund's aggregate short sales  of the securities of any one issuer
exceed the lesser of 2% of the Fund's net assets or 2% of the securities of  any
class  of the  issuer. Moreover, the  Fund may  engage in short  sales only with
respect to securities  listed on a  national securities exchange.  The Fund  may
make  short sales "against the box" without respect to such limitations. In this
type of short sale, at the  time of the sale the  Fund owns the security it  has
sold  short  or has  the  immediate and  unconditional  right to  acquire  at no
additional cost the identical security.
 
TEMPORARY DEFENSIVE STRATEGIES
The Emerging Markets  Fund may  invest in the  following types  of money  market
instruments  (i.e., debt  instruments with less  than 12  months remaining until
maturity) denominated  in  U.S. dollars  or  other currencies:  (a)  obligations
issued  or  guaranteed  by  the U.S.  or  foreign  governments,  their agencies,
instrumentalities  or   municipalities;   (b)   obligations   of   international
organizations designed or supported by multiple foreign governmental entities to
promote economic reconstruction or development; (c) finance company obligations,
corporate commercial paper and other short-term commercial obligations; (d) bank
obligations  (including certificates of deposit,  time deposits, demand deposits
and bankers'  acceptances);  (e)  repurchase  agreements  with  respect  to  the
foregoing;  and (f) other substantially  similar short-term debt securities with
comparable characteristics.
 
   
The Emerging Markets Fund may invest in commercial paper rated as low as A-3  by
S&P  or P-3 by Moody's or, if not  rated, determined by the Sub-adviser to be of
comparable quality. Obligations  rated A-3  and P-3  are considered  by S&P  and
Moody's,  respectively,  to have  an acceptable  capacity for  timely repayment.
However, these securities may be more  vulnerable to adverse effects of  changes
in circumstances than obligations carrying higher designations.
    
 
                   Statement of Additional Information Page 5
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                              OPTIONS, FUTURES AND
                              CURRENCY STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The  use of options, futures contracts  and forward currency contracts ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1) Successful  use  of  most  of these  instruments  depends  upon  the
    Sub-adviser's  ability to  predict movements  of the  overall securities and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the use of these instruments, there can be no assurance that any  particular
    strategy adopted will succeed.
    
 
        (2)  There  might  be  imperfect correlation,  or  even  no correlation,
    between price  movements  of  an  instrument  and  price  movements  of  the
    investments being hedged. For example, if the value of an instrument used in
    a  short hedge  increased by less  than the  decline in value  of the hedged
    investment, the  hedge  would  not  be fully  successful.  Such  a  lack  of
    correlation  might  occur  due to  factors  unrelated  to the  value  of the
    investments being  hedged, such  as speculative  or other  pressures on  the
    markets  in which  the hedging  instrument is  traded. The  effectiveness of
    hedges using hedging  instruments on indices  will depend on  the degree  of
    correlation  between price movements in the index and price movements in the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or partially offsetting the negative  effect of unfavorable price  movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity  for gain by  offsetting the positive  effect of favorable price
    movements in the hedged investments. For example, if the Fund entered into a
    short hedge because the  Sub-adviser projected a decline  in the price of  a
    security  in the Fund's portfolio, and  the price of that security increased
    instead, the gain from that increase might be wholly or partially offset  by
    a  decline in the price of the hedging instrument. Moreover, if the price of
    the hedging instrument declined  by more than the  increase in the price  of
    the  security, the Fund could  suffer a loss. In  either such case, the Fund
    would have been in a better position had it not hedged at all.
    
 
        (4) As described below, the Fund might be required to maintain assets as
    "cover," maintain segregated accounts or make margin payments when it  takes
    positions  in  instruments  involving obligations  to  third  parties (I.E.,
    instruments other than purchased options). If the Fund were unable to  close
    out  its positions in such instruments, it  might be required to continue to
    maintain such assets or  accounts or make such  payments until the  position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a  disadvantageous time. The  Fund's ability to  close out a  position in an
    instrument prior to  expiration or maturity  depends on the  existence of  a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness  of the other party to the transaction ("contra party") to enter
    into a  transaction  closing  out  the  position.  Therefore,  there  is  no
    assurance  that any position can  be closed out at a  time and price that is
    favorable to the Fund.
 
WRITING CALL OPTIONS
   
The Fund may write  (sell) call options on  securities, indices and  currencies.
Call options generally will be written on securities and currencies that, in the
opinion of the Sub-adviser are not expected to make any major price moves in the
near  future  but  that,  over  the  long  term,  are  deemed  to  be attractive
investments for the Fund.
    
 
A call option  gives the  holder (buyer)  the right  to purchase  a security  or
currency  at a specified price (the exercise  price) at any time until (American
style) or on (European style) a certain  date (the expiration date). As long  as
the  obligation of the writer of a call  option continues, he may be assigned an
exercise notice, requiring him  to deliver the  underlying security or  currency
against  payment  of the  exercise price.  This  obligation terminates  upon the
expiration of the call option, or such earlier time at which the writer  effects
a  closing  purchase  transaction  by purchasing  an  option  identical  to that
previously sold.
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on the basis of  investment considerations consistent with the
Fund's investment objectives. When  writing a call option,  the Fund, in  return
for the
 
                   Statement of Additional Information Page 6
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
premium,  gives  up the  opportunity for  profit  from a  price increase  in the
underlying security or currency above the  exercise price, and retains the  risk
of  loss should the  price of the  security or currency  decline. Unlike one who
owns securities or currencies not subject to an option, the Fund has no  control
over  when it may be  required to sell the  underlying securities or currencies,
since most  options  may  be  exercised  at  any  time  prior  to  the  option's
expiration.  If a call option  that the Fund has  written expires, the Fund will
realize a gain in the amount of the premium; however, such gain may be offset by
a decline in the market value of the underlying security or currency during  the
option  period. If the call option is exercised, the Fund will realize a gain or
loss from  the  sale of  the  underlying security  or  currency, which  will  be
increased  or  offset by  the premium  received.  The Fund  does not  consider a
security or currency covered by  a call option to be  "pledged" as that term  is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing  call options can serve as a limited short hedge because declines in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
appreciates to a price higher than the exercise price of the call option, it can
be expected that the option will be exercised and the Fund will be obligated  to
sell the security or currency at less than its market value.
 
   
The  premium  that the  Fund receives  for writing  a call  option is  deemed to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of the underlying  investment, the relationship  of the exercise  price to  such
market  price, the historical price volatility of the underlying investment, and
the length of the option period. In determining whether a particular call option
should be  written, the  Sub-adviser  will consider  the reasonableness  of  the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing  transactions  will be  effected  in order  to  realize a  profit  on an
outstanding call  option, to  prevent an  underlying security  or currency  from
being  called, or  to permit  the sale of  the underlying  security or currency.
Furthermore, effecting  a closing  transaction  will permit  the Fund  to  write
another  call  option  on the  underlying  security  or currency  with  either a
different exercise price, expiration date or both.
 
The Fund will pay  transaction costs in connection  with the writing of  options
and  in entering into closing purchase  contracts. Transaction costs relating to
options activity  are normally  higher than  those applicable  to purchases  and
sales of portfolio securities.
 
The  exercise price of the  options may be below, equal  to or above the current
market values of the underlying securities or currencies at the time the options
are written. From time to time, the Fund may purchase an underlying security  or
currency  for delivery in accordance with the exercise of an option, rather than
delivering such  security  or  currency  from  its  portfolio.  In  such  cases,
additional costs will be incurred.
 
The  Fund will realize a  profit or loss from  a closing purchase transaction if
the cost of  the transaction  is less or  more, respectively,  than the  premium
received  from writing the  option. Because increases  in the market  price of a
call option  generally  will  reflect  increases in  the  market  price  of  the
underlying  security or  currency, any loss  resulting from the  repurchase of a
call option is likely to  be offset in whole or  in part by appreciation of  the
underlying security or currency owned by the Fund.
 
WRITING PUT OPTIONS
The  Fund may  write put  options on securities,  indices and  currencies. A put
option gives the  purchaser of  the option  the right  to sell,  and the  writer
(seller)  the  obligation to  buy, the  underlying security  or currency  at the
exercise price at  any time until  (American style) or  on (European style)  the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is identical substantially to that of call options.
 
   
The   Fund  generally  would  write  put  options  in  circumstances  where  the
Sub-adviser wishes  to purchase  the  underlying security  or currency  for  the
Fund's  portfolio at a price lower than the current market price of the security
or currency. In such  event, the Fund  would write a put  option at an  exercise
price  that, reduced by the  premium received on the  option, reflects the lower
price it is willing to pay. Since  the Fund would also receive interest on  debt
securities  or currencies maintained to cover  the exercise price of the option,
this technique could be used to enhance current return during periods of  market
uncertainty.  The risk in such  a transaction would be  that the market price of
the underlying security or currency would decline below the exercise price  less
the premium received.
    
 
Writing  put options can serve as a  limited long hedge because increases in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
depreciates to a price lower than the  exercise price of the put option, it  can
be expected that the put option will be exercised and the Fund will be obligated
to sell the security or currency at more than its market value.
 
                   Statement of Additional Information Page 7
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
PURCHASING PUT OPTIONS
The  Fund may purchase put options on securities, indices and currencies. As the
holder of a put  option, the Fund  would have the right  to sell the  underlying
security or currency at the exercise price at any time until (American style) or
on  (European style) the expiration  date. The Fund may  enter into closing sale
transactions with  respect to  such options,  exercise them  or permit  them  to
expire.
 
The  Fund  may purchase  a  put option  on  an underlying  security  or currency
("protective put") owned by the Fund  to protect against an anticipated  decline
in  the value  of the  security or  currency. Such  protection is  provided only
during the life  of the  put option  when the  Fund, as  the holder  of the  put
option,  is able to sell the underlying security or currency at the put exercise
price regardless of  any decline in  the underlying security's  market price  or
currency's  exchange  value.  The  premium  paid  for  the  put  option  and any
transaction costs would reduce any  profit otherwise available for  distribution
when the security or currency is eventually sold.
 
The  Fund also may purchase put options at a time when the Fund does not own the
underlying security or  currency. By  purchasing put  options on  a security  or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it  has remaining value, and  if the market price  of the underlying security or
currency remains equal to or greater than the exercise price during the life  of
the  put option, the Fund will lose its  entire investment in the put option. In
order for the purchase of a put option to be profitable, the market price of the
underlying security or  currency must  decline sufficiently  below the  exercise
price  to cover the premium and transaction costs, unless the put option is sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options on securities, indices and currencies. As the
holder of  a  call  option, the  Fund  would  have the  right  to  purchase  the
underlying  security  or  currency  at  the exercise  price  at  any  time until
(American style) or on (European style) the expiration date. The Fund may  enter
into  closing sale transactions  with respect to such  options, exercise them or
permit them to expire.
 
Call options may  be purchased  by the  Fund for  the purpose  of acquiring  the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase  of  call options  would enable  the  Fund to  acquire the  security or
currency at the  exercise price of  the call  option plus the  premium paid.  At
times,  the net cost of acquiring the security or currency in this manner may be
less than  the  cost  of  acquiring the  security  or  currency  directly.  This
technique  also  may  be useful  to  the Fund  in  purchasing a  large  block of
securities that would be more difficult  to acquire by direct market  purchases.
So  long as it holds such a call  option, rather than the underlying security or
currency itself, the Fund is partially protected from any unexpected decline  in
the  market price  of the  underlying security or  currency and,  in such event,
could allow the call option  to expire, incurring a loss  only to the extent  of
the premium paid for the option.
 
The  Fund also may purchase call  options on underlying securities or currencies
it owns  to avoid  realizing losses  that would  result in  a reduction  of  its
current  return. For  example, where the  Fund has  written a call  option on an
underlying security or currency having a current market value below the price at
which it purchased  the security or  currency, an increase  in the market  price
could  result in  the exercise of  the call option  written by the  Fund and the
realization of a loss on the  underlying security or currency. Accordingly,  the
Fund  could purchase a call option on  the same underlying security or currency,
which could be exercised  to fulfill the Fund's  delivery obligations under  its
written  call (if it is exercised). This  strategy could allow the Fund to avoid
selling the portfolio security or currency at  a time when it has an  unrealized
loss;  however, the Fund would have to pay a premium to purchase the call option
plus transaction costs.
 
Aggregate premiums paid  for put  and call  options will  not exceed  5% of  the
Fund's total assets at the time of purchase.
 
The  Fund may attempt to accomplish objectives  similar to those involved in its
use of Forward Contracts by purchasing put or call options on currencies. A  put
option  gives the Fund as purchaser the right (but not the obligation) to sell a
specified amount of currency at the  exercise price at any time until  (American
style)  or on (European style) the expiration date. A call option gives the Fund
as purchaser the right (but not  the obligation) to purchase a specified  amount
of  currency at  the exercise  price at  any time  until (American  style) or on
(European style) the  expiration date. The  Fund might purchase  a currency  put
option,  for example, to protect itself against a decline in the dollar value of
a currency  in  which  it  holds  or  anticipates  holding  securities.  If  the
currency's  value should decline against the  dollar, the loss in currency value
should be offset, in whole or in part,  by an increase in the value of the  put.
If the value of the currency instead should rise against the dollar, any gain to
the  Fund would  be reduced by  the premium  it had paid  for the  put option. A
currency call option might be purchased, for example, in anticipation of, or  to
protect  against, a rise in the value against  the dollar of a currency in which
the Fund anticipates purchasing securities.
 
                   Statement of Additional Information Page 8
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                        GT GLOBAL EMERGING MARKETS FUND
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates.  The Fund will not  purchase an OTC option  unless it believes that daily
valuations for  such options  are readily  obtainable. OTC  options differ  from
exchange-traded options in that OTC options are transacted with dealers directly
and   not  through  a  clearing   corporation  (which  guarantees  performance).
Consequently, there  is  a risk  of  non-performance  by the  dealer.  Since  no
exchange  is involved, OTC options are valued on  the basis of an average of the
last bid prices obtained from dealers,  unless a quotation from only one  dealer
is  available, in which case only that dealer's  price will be used. In the case
of OTC options, there can  be no assurance that  a liquid secondary market  will
exist for any particular option at any specific time.
 
The  staff of the SEC considers purchased OTC options to be illiquid securities.
The Fund  may also  sell OTC  options and,  in connection  therewith,  segregate
assets or cover its obligations with respect to OTC options written by the Fund.
The  assets used as cover for OTC options written by the Fund will be considered
illiquid unless the OTC options are sold to qualified dealers who agree that the
Fund may repurchase any OTC option it writes at a maximum price to be calculated
by a formula  set forth in  the option agreement.  The cover for  an OTC  option
written  subject  to this  procedure would  be considered  illiquid only  to the
extent that the maximum repurchase price under the formula exceeds the intrinsic
value of the option.
 
The Fund's  ability to  establish  and close  out positions  in  exchange-listed
options  depends  on the  existence  of a  liquid  market. The  Fund  intends to
purchase or write only those exchange-traded options for which there appears  to
be  a liquid secondary  market. However, there  can be no  assurance that such a
market will exist at any particular  time. Closing transactions can be made  for
OTC  options  only  by  negotiating  directly with  the  contra  party  or  by a
transaction in the secondary market if any such market exists. Although the Fund
will enter into OTC  options only with  contra parties that  are expected to  be
capable  of  entering  into closing  transactions  with  the Fund,  there  is no
assurance that the Fund will in fact be able to close out an OTC option position
at a favorable  price prior to  expiration. In  the event of  insolvency of  the
contra  party, the Fund might  be unable to close out  an OTC option position at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in individual securities or futures contracts. When the Fund writes a call on an
index,  it receives a premium and agrees that, prior to the expiration date, the
purchaser of the call, upon exercise of the call, will receive from the Fund  an
amount of cash if the closing level of the index upon which the call is based is
greater  than the exercise price of the call. The amount of cash is equal to the
difference between the closing price of the index and the exercise price of  the
call  times a specified multiple (the  "multiplier"), which determines the total
dollar value for each point of such difference. When the Fund buys a call on  an
index,  it  pays a  premium and  has  the same  rights as  to  such call  as are
indicated above. When the Fund buys a put on an index, it pays a premium and has
the right, prior to the expiration date, to require the seller of the put,  upon
the  Fund's exercise of the put, to deliver to the Fund an amount of cash if the
closing level of the index upon which the put is based is less than the exercise
price of the  put, which  amount of  cash is  determined by  the multiplier,  as
described above for calls. When the Fund writes a put on an index, it receives a
premium  and  the purchaser  has the  right,  prior to  the expiration  date, to
require the Fund  to deliver to  it an amount  of cash equal  to the  difference
between  the  closing  level of  the  index  and the  exercise  price  times the
multiplier, if the closing level is less than the exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities.  Because index options are  settled in cash, when  the Fund writes a
call on  an index  it cannot  provide in  advance for  its potential  settlement
obligations  by acquiring  and holding the  underlying securities.  The Fund can
offset some of the  risk of writing  a call index option  position by holding  a
diversified  portfolio of  securities similar to  those on  which the underlying
index is based.  However, the Fund  cannot, as a  practical matter, acquire  and
hold  a portfolio containing  exactly the same securities  as underlie the index
and, as a result, bears a risk that  the value of the securities held will  vary
from the value of the index.
 
Even  if the Fund could assemble  a securities portfolio that exactly reproduced
the composition of  the underlying index,  it still would  not be fully  covered
from  a risk standpoint because  of the "timing risk"  inherent in writing index
options. When an index option is exercised,  the amount of cash that the  holder
is  entitled to  receive is  determined by  the difference  between the exercise
price and the closing index level on  the date when the option is exercised.  As
with other kinds of options, the Fund, as the call writer, will not know that it
has  been assigned  until the next  business day  at the earliest.  The time lag
between exercise and  notice of assignment  poses no  risk for the  writer of  a
covered call on a specific underlying
 
                   Statement of Additional Information Page 9
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
security,  such as  common stock,  because there  the writer's  obligation is to
deliver the underlying security, not to pay its value as of a fixed time in  the
past. So long as the writer already owns the underlying security, it can satisfy
its  settlement obligations by simply delivering it, and the risk that its value
may have declined since the exercise date is borne by the exercising holder.  In
contrast,  even if  the writer  of an index  call holds  securities that exactly
match the composition of the  underlying index, it will  not be able to  satisfy
its assignment obligations by delivering those securities against payment of the
exercise  price. Instead, it will be required to  pay cash in an amount based on
the closing index value on the exercise date; and by the time it learns that  it
has  been assigned, the index may have declined, with a corresponding decline in
the value  of  its securities  portfolio.  This  "timing risk"  is  an  inherent
limitation  on the ability of index call writers to cover their risk exposure by
holding securities positions.
 
If the Fund purchases an index option and exercises it before the closing  index
value  for  that day  is  available, it  runs  the risk  that  the level  of the
underlying index may subsequently change. If such a change causes the  exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between  the closing index value and the exercise price of the option (times the
applicable multiplier) to the assigned writer.
 
INTEREST RATE AND CURRENCY FUTURES CONTRACTS
The Fund may  enter into interest  rate or currency  futures contracts, and  may
enter  into stock index  futures contracts (collectively,  "Futures" or "Futures
Contracts"), as a hedge against changes in prevailing levels of interest  rates,
currency  exchange rates or  stock prices in order  to establish more definitely
the effective return on securities or currencies held or intended to be acquired
by the Fund. The Fund's transactions may  include sales of Futures as an  offset
against  the effect  of expected increases  in interest rates,  and decreases in
currency exchange rates and stock prices, and purchases of Futures as an  offset
against  the effect  of expected  declines in  interest rates,  and increases in
currency exchange rates and stock prices.
 
The Fund  will only  enter into  Futures Contracts  that are  traded on  futures
exchanges  and are  standardized as  to maturity  date and  underlying financial
instrument. Futures  exchanges and  trading  thereon in  the United  States  are
regulated  under the  Commodity Exchange  Act by  the Commodity  Futures Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to reduce the Fund's exposure to interest rate, currency exchange rate  and
stock  market fluctuations,  the Fund  may be  able to  hedge its  exposure more
effectively and at a lower cost through using Futures Contracts.
 
A Futures Contract provides  for the future  sale by one  party and purchase  by
another party of a specified amount of a specific financial instrument (security
or  currency) for  a specified price  at a  designated date, time  and place. An
index Futures Contract provides for the delivery, at a designated date, time and
place, of  an amount  of  cash equal  to a  specified  dollar amount  times  the
difference  between the index value at the  close of trading on the contract and
the price  at which  the  Futures Contract  is  originally struck;  no  physical
delivery  of the  securities comprising  the index  is made.  Brokerage fees are
incurred when a Futures Contract is bought or sold, and margin deposits must  be
maintained at all times the Futures Contract is outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  are usually closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively,   for  the  same  aggregate  amount  of  the  identical  financial
instrument or currency and  the same delivery date.  If the offsetting  purchase
price  is less than the original sale price,  the Fund realizes a gain; if it is
more, the Fund realizes a loss. Conversely, if the offsetting sale price is more
than the original purchase price, the Fund  realizes a gain; if it is less,  the
Fund  realizes a  loss. The  transaction costs  must also  be included  in these
calculations. There can be no assurance, however, that the Fund will be able  to
enter  into  an  offsetting transaction  with  respect to  a  particular Futures
Contract at  a particular  time.  If the  Fund  is not  able  to enter  into  an
offsetting  transaction, the Fund  will continue to be  required to maintain the
margin deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from  the sale of one Futures Contract of September Deutschemarks on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of  another Futures  Contract of  September Deutschemarks  on the  same
exchange. In such instance the difference between the price at which the Futures
Contract  was  sold  and  the  price paid  for  the  offsetting  purchase, after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The Fund's Futures transactions will be entered into for hedging purposes  only;
that  is, Futures  Contracts will be  sold to  protect against a  decline in the
price of securities or currencies that the Fund owns, or Futures Contracts  will
be purchased
 
                  Statement of Additional Information Page 10
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
to protect the Fund against an increase in the price of securities or currencies
it has committed to purchase or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by the Fund in order to  initiate Futures trading and to maintain  the
Fund's  open  positions in  Futures Contracts.  A margin  deposit made  when the
Futures Contract is entered  into ("initial margin") is  intended to assure  the
Fund's  performance  under  the  Futures Contract.  The  margin  required  for a
particular Futures Contract is set by the exchange on which the Futures Contract
is traded and may be  modified significantly from time  to time by the  exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission merchant through  which the  Fund entered into  the Futures  Contract
will  be made on a daily basis as the price of the underlying security, currency
or index fluctuates making the Futures Contract more or less valuable, a process
known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in  interest rates  and currency  exchange rates,  and in  stock  market
movements,  which  in turn  are  affected by  fiscal  and monetary  policies and
national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and prices  of the securities  or currencies in  the Fund's portfolio
being  hedged.  The   degree  of  imperfection   of  correlation  depends   upon
circumstances  such as: variations in speculative  market demand for Futures and
for securities or currencies, including technical influences in Futures trading;
and  differences  between  the  financial  instruments  being  hedged  and   the
instruments  underlying the standard Futures  Contracts available for trading. A
decision of whether,  when, and how  to hedge involves  skill and judgment,  and
even  a  well-conceived hedge  may  be unsuccessful  to  some degree  because of
unexpected market behavior or interest or currency rate trends.
 
Because of  the  low  margin  deposits required,  Futures  trading  involves  an
extremely  high  degree  of leverage.  As  a  result, a  relatively  small price
movement in a Futures Contract may result in immediate and substantial loss,  as
well  as gain, to the investor. For example,  if at the time of purchase, 10% of
the value  of the  Futures Contract  is deposited  as margin,  a subsequent  10%
decrease  in the value of  the Futures Contract would result  in a total loss of
the margin  deposit, before  any deduction  for the  transaction costs,  if  the
account  were then closed  out. A 15% decrease  would result in  a loss equal to
150% of the original  margin deposit, if the  Futures Contract were closed  out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily  limit establishes the maximum amount that the price of a Futures Contract
or option may vary either up or down from the previous day's settlement price at
the end  of a  trading session.  Once  the daily  limit has  been reached  in  a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a  particular trading day and therefore does not limit potential losses, because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and option  prices  have occasionally  moved  to  the daily  limit  for  several
consecutive  trading days with  little or no  trading, thereby preventing prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to the absence of a liquid secondary  market or the imposition of price  limits,
it  could incur  substantial losses.  The Fund would  continue to  be subject to
market risk with respect  to the position.  In addition, except  in the case  of
purchased  options,  the  Fund  would  continue to  be  required  to  make daily
variation margin payments and might be  required to maintain the position  being
hedged by the Future or option or to maintain cash or securities in a segregated
account.
 
Certain  characteristics  of the  Futures market  might  increase the  risk that
movements in the  prices of Futures  Contracts or options  on Futures might  not
correlate  perfectly  with  movements in  the  prices of  the  investments being
hedged. For example,  all participants  in the  Futures and  options on  Futures
markets  are subject to daily  variation margin calls and  might be compelled to
liquidate Futures  or  options on  Futures  positions whose  prices  are  moving
unfavorably  to avoid being  subject to further  calls. These liquidations could
increase price  volatility  of the  instruments  and distort  the  normal  price
relationship  between the Futures  or options and  the investments being hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous than  margin requirements  in  the securities  markets, there  might  be
increased   participation   by  speculators   in   the  Futures   markets.  This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage,  "program trading"  and other  investment strategies  might result in
temporary price distortions.
 
                  Statement of Additional Information Page 11
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
OPTIONS ON FUTURES CONTRACTS
Options on Futures Contracts are similar to options on securities or  currencies
except that options on Futures Contracts give the purchaser the right, in return
for  the  premium paid,  to  assume a  position in  a  Futures Contract  (a long
position if the option is a call and a short position if the option is a put) at
a specified exercise price  at any time  during the period  of the option.  Upon
exercise  of the option, the  delivery of the Futures  position by the writer of
the option to the holder  of the option will be  accompanied by delivery of  the
accumulated balance in the writer's Futures margin account, which represents the
amount  by which the market price of  the Futures Contract, at exercise, exceeds
(in the case of  a call) or  is less than (in  the case of  a put) the  exercise
price  of the option on  the Futures Contract. If an  option is exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to  the difference between the exercise price  of
the  option and the  closing level of  the securities, currencies  or index upon
which the  Futures Contract  is  based on  the  expiration date.  Purchasers  of
options  who fail to exercise their options  prior to the exercise date suffer a
loss of the premium paid.
 
The purchase of  call options  on Futures  can serve as  a long  hedge, and  the
purchase  of put  options on Futures  can serve  as a short  hedge. Writing call
options on Futures can serve as a  limited short hedge, and writing put  options
on  Futures can serve as a limited long  hedge, using a strategy similar to that
used for writing options on securities, foreign currencies or indices.
 
If the Fund  writes an  option on  a Futures Contract,  it will  be required  to
deposit  initial and variation margin pursuant  to requirements similar to those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The Fund may seek to close out an option position by selling an option  covering
the  same Futures  Contract and  having the  same exercise  price and expiration
date. The  ability to  establish and  close  out positions  on such  options  is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
   
To the extent that  the Fund enters into  Futures Contracts, options on  Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange, in each case other than for BONA FIDE hedging purposes (as defined  by
the CFTC), the aggregate initial margin and premiums required to establish those
positions  (excluding the amount  by which options  are "in-the-money") will not
exceed 5% of the  liquidation value of the  Fund's portfolio, after taking  into
account  unrealized profits and unrealized losses  on any contracts the Fund has
entered into. In general, a call option on a Futures Contract is  "in-the-money"
if  the  value of  the  underlying Futures  Contract  exceeds the  strike, I.E.,
exercise,  price  of  the  call;  a   put  option  on  a  Futures  Contract   is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund may either
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular  foreign  currency forward,  for  example, when  it  holds securities
denominated in a  foreign currency but  anticipates, and seeks  to be  protected
against,  a decline in the currency against the U.S. dollar. Similarly, the Fund
might sell the U.S. dollar forward when it holds securities denominated in  U.S.
dollars,  but anticipates, and seeks  to be protected against,  a decline in the
U.S. dollar relative  to other currencies.  Further, the Fund  might purchase  a
currency  forward  to "lock  in"  the price  of  securities denominated  in that
currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S.  or foreign  banks and  securities or  currency dealers  in accordance with
guidelines approved by the Company's Board of Trustees.
    
 
The Fund  may enter  into  Forward Contracts  either  with respect  to  specific
transactions  or with  respect to  the Fund's  portfolio positions.  The precise
matching of the Forward  Contract amounts and the  value of specific  securities
will  not generally be possible  because the future value  of such securities in
foreign currencies will change as a consequence of market movements in the value
of those securities between  the date the Forward  Contract is entered into  and
the date it
 
                  Statement of Additional Information Page 12
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
matures.  Accordingly, it may  be necessary for the  Fund to purchase additional
foreign currency on the spot (I.E., cash)  market (and bear the expense of  such
purchase) if the market value of the security is less than the amount of foreign
currency  the Fund is obligated to deliver and if a decision is made to sell the
security and  make delivery  of  the foreign  currency.  Conversely, it  may  be
necessary  to sell on the  spot market some of the  foreign currency the Fund is
obligated to deliver. The projection of short-term currency market movements  is
extremely  difficult,  and  the  successful execution  of  a  short-term hedging
strategy  is  highly  uncertain.  Forward   Contracts  involve  the  risk   that
anticipated  currency movements  will not  be accurately  predicted, causing the
Fund to sustain losses on these contracts and transaction costs.
 
At or before the  maturity of a  Forward Contract requiring the  Fund to sell  a
currency,  the  Fund may  either  sell a  portfolio  security and  use  the sale
proceeds to make delivery of the currency or retain the security and offset  its
contractual  obligation to deliver the currency  by purchasing a second contract
pursuant to which  the Fund will  obtain, on  the same maturity  date, the  same
amount  of the currency that it is obligated to deliver. Similarly, the Fund may
close out a Forward  Contract requiring it to  purchase a specified currency  by
entering  into a second  contract, if its  contra party agrees,  entitling it to
sell the same  amount of the  same currency on  the maturity date  of the  first
contract.  The Fund would  realize a gain or  loss as a  result of entering into
such an offsetting Forward Contract under either circumstance to the extent  the
exchange  rate  or  rates  between the  currencies  involved  moved  between the
execution dates of the first contract and the offsetting contract.
 
The cost to the Fund of engaging  in Forward Contracts varies with factors  such
as  the currencies involved,  the length of  the contract period  and the market
conditions then prevailing. Because Forward  Contracts usually are entered  into
on  a principal basis, no  fees or commissions are  involved. The use of Forward
Contracts does  not  eliminate fluctuations  in  the prices  of  the  underlying
securities  the Fund owns or intends to acquire, but it does establish a rate of
exchange in advance. In addition, while Forward Contract sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The Fund may use options on  foreign currencies, Futures on foreign  currencies,
options  on Futures on foreign currencies and Forward Contracts to hedge against
movements in the values of the foreign currencies in which the Fund's securities
are denominated. Such currency hedges can  protect against price movements in  a
security  that the  Fund owns  or intends  to acquire  that are  attributable to
changes in the value of the currency in which it is denominated. Such hedges  do
not,  however,  protect  against  price movements  in  the  securities  that are
attributable to other causes.
 
   
The Fund  might seek  to hedge  against changes  in the  value of  a  particular
currency  when no  Futures Contract, Forward  Contract or  option involving that
currency is available or  one of such contracts  is more expensive than  certain
other  contracts. In such cases,  the Fund may hedge  against price movements in
that currency  by entering  into a  contract on  another currency  or basket  of
currencies,  the values of  which the Sub-adviser believes  will have a positive
correlation to the value of the  currency being hedged. The risk that  movements
in  the price of the contract will not correlate perfectly with movements in the
price of the currency being hedged is magnified when this strategy is used.
    
 
The value of Futures Contracts, options on Futures Contracts, Forward  Contracts
and  options  on  foreign currencies  depends  on  the value  of  the underlying
currency relative  to the  U.S. dollar.  Because foreign  currency  transactions
occurring  in the  interbank market  might involve  substantially larger amounts
than those  involved in  the  use of  Futures  Contracts, Forward  Contracts  or
options,  the  Fund could  be disadvantaged  by  dealing in  the odd  lot market
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying  foreign currencies at prices that  are less favorable than for round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or any  regulatory requirements  that quotations  available through  dealers  or
other market sources be firm or revised on a timely basis. Quotation information
generally  is representative of very large  transactions in the interbank market
and thus  might not  reflect  odd-lot transactions  where  rates might  be  less
favorable.   The   interbank  market   in  foreign   currencies  is   a  global,
round-the-clock market. To the  extent the U.S. options  or Futures markets  are
closed  while the markets for the underlying currencies remain open, significant
price and rate movements might take place in the underlying markets that  cannot
be  reflected in  the markets  for the Futures  contracts or  options until they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies might  be required  to  take place  within  the country  issuing  the
underlying currency. Thus, the Fund might be required to accept or make delivery
of  the  underlying foreign  currency  in accordance  with  any U.S.  or foreign
regulations regarding the  maintenance of foreign  banking arrangements by  U.S.
residents  and might be required  to pay any fees,  taxes and charges associated
with such delivery assessed in the issuing country.
 
                  Statement of Additional Information Page 13
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased by  the Fund)  expose the  Fund to  an obligation  to another
party. The Fund will not enter into any such transactions unless it owns  either
(1)  an  offsetting ("covered")  position  in securities,  currencies,  or other
options, Forward Contracts or  Futures Contracts, or  (2) cash, receivables  and
short-term  debt securities with  a value sufficient  at all times  to cover its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of the Fund's assets are used for cover or otherwise set aside, it could  affect
portfolio  management or the Fund's ability to meet redemption requests or other
current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The Fund  may  invest up  to  15% of  its  net assets  in  illiquid  securities.
Securities  may  be considered  illiquid if  the  Fund cannot  reasonably expect
within seven days to sell the  securities for approximately the amount at  which
the  Fund  values such  securities. See  "Investment  Limitations." The  sale of
illiquid securities, if  they can be  sold at all,  generally will require  more
time  and  result in  higher  brokerage charges  or  dealer discounts  and other
selling expenses than the sale of liquid securities such as securities  eligible
for  trading on  U.S. securities exchanges  or in  the over-the-counter markets.
Moreover, restricted  securities, which  may be  illiquid for  purposes of  this
limitation, often sell, if at all, at a price lower than similar securities that
are not subject to restrictions on resale.
 
Illiquid  securities include those that are subject to restrictions contained in
the securities  laws of  other countries.  However, securities  that are  freely
marketable  in the country where  they are principally traded,  but would not be
freely marketable in the United States,  will not be considered illiquid.  Where
registration  is required, the Fund  may be obligated to pay  all or part of the
registration expenses and a considerable period  may elapse between the time  of
the  decision to sell and the time the  Fund may be permitted to sell a security
under an effective  registration statement.  If, during such  a period,  adverse
market  conditions were to develop, the Fund might obtain a less favorable price
than prevailed when it decided to sell.
 
Not  all  restricted  securities   are  illiquid.  In   recent  years  a   large
institutional   market  has  developed  for  certain  securities  that  are  not
registered under the Securities Act of 1933, as amended ("1933 Act"),  including
private  placements, repurchase agreements, commercial paper, foreign securities
and corporate bonds and notes. These instruments are often restricted securities
because the  securities are  sold in  transactions not  requiring  registration.
Institutional investors generally will not seek to sell these instruments to the
general   public,  but  instead  will  often   depend  either  on  an  efficient
institutional market in which such unregistered securities can be readily resold
or on an issuer's ability to honor  a demand for repayment. Therefore, the  fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule  144A under the 1933 Act establishes  a "safe harbor" from the registration
requirements of the  1933 Act  for resales  of certain  securities to  qualified
institutional  buyers.  Institutional  markets  for  restricted  securities have
developed as a result of Rule 144A, providing both readily ascertainable  values
for  restricted securities and the ability to liquidate an investment to satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance and  settlement of  unregistered securities  of domestic  and  foreign
issuers,  such as  the PORTAL  System sponsored  by the  National Association of
Securities Dealers,  Inc.  An  insufficient number  of  qualified  institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
the  Fund, however, could  affect adversely the  marketability of such portfolio
securities and the Fund might be  unable to dispose of such securities  promptly
or at favorable prices.
 
   
With  respect  to liquidity  determinations  generally, the  Company's  Board of
Trustees has  the  ultimate  responsibility  for  determining  whether  specific
securities, including restricted securities pursuant to Rule 144A under the 1993
Act,  are liquid  or illiquid.  The Board has  delegated the  function of making
day-to-day determinations of liquidity to the Sub-
    
 
                  Statement of Additional Information Page 14
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
   
adviser, in  accordance  with procedures  approved  by the  Company's  Board  of
Trustees.  The Sub-adviser  takes into account  a number of  factors in reaching
liquidity decisions, including, but not limited to: (i) the frequency of trading
in the security; (ii) the  number of dealers who  make quotes for the  security:
(iii)  the  number  of dealers  who  have undertaken  to  make a  market  in the
security; (iv) the number of other  potential purchasers; and (v) the nature  of
the  security and  how trading is  affected (E.G.,  the time needed  to sell the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser  monitors the  liquidity of securities  in the  Fund's portfolio and
periodically reports on such decisions to the Board of Trustees, as  applicable.
If  the liquidity percentage restriction of the Fund is satisfied at the time of
investment, a later increase  in the percentage of  illiquid securities held  by
the Fund resulting from a change in market value or assets will not constitute a
violation  of that restriction.  If as a result  of a change  in market value or
assets, the percentage of illiquid securities  held by the Fund increases  above
the  applicable limit, the Sub-adviser will  take appropriate steps to bring the
aggregate amount of illiquid  assets back within  the prescribed limitations  as
soon   as  reasonably  practicable,  taking  into  account  the  effect  of  any
disposition on the Fund.
    
 
FOREIGN SECURITIES
    SPECIAL CONSIDERATIONS  AFFECTING  EMERGING  MARKETS.  Investing  in  equity
securities  of  companies  in emerging  markets  may entail  greater  risks than
investing in equity securities in  developed countries. These risks include  (i)
less  social, political and  economic stability; (ii) the  small current size of
the markets for such securities and  the currently low or nonexistent volume  of
trading,  which result in a  lack of liquidity and  in greater price volatility;
(iii) certain  national  policies  which  may  restrict  the  Fund's  investment
opportunities,  including restrictions  on investment  in issuers  or industries
deemed sensitive  to national  interests;  (iv) foreign  taxation; and  (v)  the
absence  of  developed structures  governing  private or  foreign  investment or
allowing for judicial redress for injury  to private property. Investing in  the
securities  of companies  in emerging  markets, including  the markets  of Latin
America and certain Asian  markets such as Taiwan,  Malaysia and Indonesia,  may
entail   special  risks  relating  to   the  potential  political  and  economic
instability and the risks of expropriation, nationalization, confiscation or the
imposition of restrictions on  foreign investment, convertibility of  currencies
into  U.S. dollars and on repatriation of capital invested. In the event of such
expropriation, nationalization or  other confiscation by  any country, the  Fund
could lose its entire investment in any such country.
 
Settlement  mechanisms in emerging securities markets  may be less efficient and
reliable than in  more developed  markets. In such  emerging securities  markets
there may be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and may  continue to  have  negative effects  on  the economies  and  securities
markets of certain emerging market countries.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN COUNTRIES.
Investing in Russia  and Eastern European  countries involves a  high degree  of
risk  and special considerations not typically  associated with investing in the
United States securities markets, and  should be considered highly  speculative.
Such  risks include: (1)  delays in settling portfolio  transactions and risk of
loss arising out of the system of  share registration and custody; (2) the  risk
that  it may be impossible  or more difficult than  in other countries to obtain
and/or enforce a  judgement; (3) pervasiveness  of corruption and  crime in  the
economic system; (4) currency exchange rate volatility and the lack of available
currency  hedging instruments; (5) higher rates of inflation (including the risk
of  social  unrest  associated  with   periods  of  hyper-inflation)  and   high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign  investors and limitations on  repatriation of invested capital, profits
and dividends, and on the Fund's  ability to exchange local currencies for  U.S.
dollars;  (7) political instability and social unrest and violence; (8) the risk
that the governments of Russia and Eastern European countries may decide not  to
continue  to support the economic reform programs implemented recently and could
follow radically different political and/or  economic policies to the  detriment
of  investors,  including non-market-oriented  policies such  as the  support of
certain industries at the expense of other sectors or investors, or a return  to
the  centrally planned economy that existed  when such countries had a communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of international trade;  (11) the risk  that the tax  system in these  countries
will  not  be reformed  to prevent  inconsistent, retroactive  and/or exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING PACIFIC REGION COUNTRIES. Many of the  Asia
Pacific region countries may be subject to a greater degree of social, political
and economic instability than is the case in the United States. Such instability
may   result  from,  among  other   things,  the  following:  (i)  authoritarian
governments or military involvement in  political and economic decision  making,
and  changes  in  government through  extra-constitutional  means;  (ii) popular
unrest associated  with  demands for  improved  political, economic  and  social
conditions;   (iii)   internal   insurgencies;  (iv)   hostile   relations  with
 
                  Statement of Additional Information Page 15
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
neighboring countries; and (v) ethnic,  religious and racial disaffection.  Such
social,  political  and  economic instability  could  significantly  disrupt the
principal financial markets  in which a  Fund invests and  adversely affect  the
value  of a Fund's  assets. In addition,  there may be  the possibility of asset
expropriations or future confiscatory levels of taxation affecting the Funds.
 
Several of  the Asia  Pacific region  countries have  or in  the past  have  had
hostile  relationships  with neighboring  nations  or have  experienced internal
insurgency. Thailand has  experienced border conflicts  with Laos and  Cambodia,
and India is engaged in border disputes with several of its neighbors, including
China  and Pakistan. An uneasy truce exists between North Korea and South Korea,
and the recurrence of hostilities remains possible. Reunification of North Korea
and South Korea could have a detrimental  effect on the economy of South  Korea.
Also,  China  continues  to  claim  sovereignty  over  Taiwan  and  recently has
conducted military maneuvers near Taiwan.
 
The economies of most of the Asia Pacific region countries are heavily dependent
upon international  trade  and  are accordingly  affected  by  protective  trade
barriers  and the economic conditions of their trading partners, principally the
United States, Japan,  China and the  European Community. The  enactment by  the
United  States  or  other  principal  trading  partners  of  protectionist trade
legislation, reduction of foreign investment in the local economies and  general
declines  in  the  international  securities markets  could  have  a significant
adverse effect upon the securities markets of the Asia Pacific region countries.
In addition,  the  economies of  some  of  the Asia  Pacific  region  countries,
Australia and Indonesia, for example, are vulnerable to weakness in world prices
for their commodity exports, including crude oil.
 
China  recently assumed sovereignty over Hong  Kong in July 1997. Although China
has committed by treaty to preserve the economic and social freedoms enjoyed  in
Hong  Kong for fifty years, the continuation of the current form of the economic
system in Hong Kong will  depend on the actions of  the government of China.  In
addition,  such assumption of sovereignty has increased sensitivity in Hong Kong
to political developments and  statements by public  figures in China.  Business
confidence  in  Hong  Kong, therefore,  can  be significantly  affected  by such
developments and  statements, which  in  turn can  affect markets  and  business
performance.
 
In  addition, the Chinese sovereignty  over Hong Kong also  presents a risk that
the Hong Kong dollar will be devaluated and a risk of possible loss of  investor
confidence  in the Hong Kong markets and dollar. However, factors exist that are
likely to mitigate this risk. First, China has stated its intention to implement
a "one country, two systems"  policy, which would preserve monetary  sovereignty
and leave control in the hands of the Hong Kong Monetary Authority ("HKMA").
 
Second,  fixed  rate  parity  with  the  U.S.  dollar  is  seen  as  critical to
maintaining investors'  confidence  in  the  transition  to  Chinese  rule  and,
therefore,  it is  anticipated that, in  the event  international investors lose
confidence in Hong Kong dollar assets,  the HKMA would intervene to support  the
currency,  though such  intervention cannot be  assured. Third,  Hong Kong's and
China's sizable combined  foreign exchange reserve  may be used  to support  the
value  of the Hong  Kong dollar, provided  that China does  not appropriate such
reserves for  other uses,  which  is not  anticipated,  but cannot  be  assured.
Finally,  China would be likely to  experience significant adverse political and
economic consequences if confidence  in the Hong Kong  dollar and the  territory
assets were to be endangered.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American countries have experienced substantial,  and in some periods  extremely
high,  rates of  inflation for many  years. Inflation and  rapid fluctuations in
inflation rates have had and may continue  to have very negative effects on  the
economies  and securities markets  of certain Latin  American countries. Certain
Latin American countries are also among the largest debtors to commercial  banks
and foreign governments. At times certain Latin American countries have declared
moratoria  on  the payment  of principal  and/or interest  on external  debt. In
addition, certain  Latin  American  securities  markets  have  experienced  high
volatility in recent years.
 
Latin  American countries may  also close certain sectors  of their economies to
equity investments  by foreigners.  Further  due to  the absence  of  securities
markets  and  publicly  owned corporations  and  due to  restrictions  on direct
investment by foreign entities,  investments may only be  made in certain  Latin
American   countries  solely   or  primarily   through  governmentally  approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at artificial levels to the U.S. dollar rather than at levels determined by  the
market.  This type  of system can  lead to  sudden and large  adjustments in the
currency which, in turn,  can have a disruptive  and negative effect on  foreign
investors.  For example, in late  1994, the value of  the Mexican peso lost more
than one-third of its value relative to the U.S. dollar.
 
                  Statement of Additional Information Page 16
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
    CONCENTRATION. To the extent the Fund  invests a significant portion of  its
assets in securities of issuers located in a particular country or region of the
world,  the Fund  may be  subject to  greater risks  and may  experience greater
volatility than a fund that is more broadly diversified geographically.
 
    POLITICAL, SOCIAL AND  ECONOMIC RISKS. Investing  in securities of  non-U.S.
companies may entail additional risks due to the potential political, social and
economic  instability  of  certain  countries and  the  risks  of expropriation,
nationalization, confiscation  or  the  imposition of  restrictions  on  foreign
investment,  convertibility of currencies into U.S. dollars, and on repatriation
of capital  invested. In  the event  of such  expropriation, nationalization  or
other  confiscation by any country, the Fund could lose its entire investment in
any such country.
 
In addition,  even though  opportunities for  investment may  exist in  emerging
markets,  any change in the  leadership or policies of  the governments of those
countries or  in  the leadership  or  policies  of any  other  government  which
exercises  a significant influence over those  countries, may halt the expansion
of or reverse the  liberalization of foreign  investment policies now  occurring
and thereby eliminate any investment opportunities which may currently exist.
 
Investors should note that upon the accession to power of authoritarian regimes,
the  governments of a number of Latin American countries previously expropriated
large quantities of  real and personal  property similar to  the property  which
will  be represented  by the  securities purchased  by the  Fund. The  claims of
property owners against those governments were never finally settled. There  can
be  no assurance  that any property  represented by securities  purchased by the
Fund will not also be  expropriated, nationalized, or otherwise confiscated.  If
such  confiscation were to occur,  the Fund could lose  its entire investment in
such countries. The Fund's investments would similarly be adversely affected  by
exchange control regulation in any of those countries.
 
    RELIGIOUS  AND ETHNIC INSTABILITY.  Certain countries in  which the Fund may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of  property owned by individuals and entities foreign to such country and could
cause the loss of the Fund's investment in those countries. Instability may also
result from,  among  other things:  (i)  authoritarian governments  or  military
involvement  in  political and  economic  decision-making, including  changes in
government through extra-constitutional  means; (ii)  popular unrest  associated
with  demands for improved political, economic  and social conditions; and (iii)
hostile relations with  neighboring or other  countries. Such political,  social
and  economic instability could disrupt the principal financial markets in which
the Fund invests and adversely affect the value of the Fund's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial  restrictions on investments in  their capital markets, particularly
their equity markets, by foreign entities  such as the Fund. These  restrictions
or  controls may at times limit or preclude investment in certain securities and
may increase the cost and expenses  of the Fund. For example, certain  countries
require prior governmental approval before investments by foreign persons may be
made,  or may limit the amount of  investment by foreign persons in a particular
company, or may limit the investment by foreign persons to only a specific class
of securities of a company that may have less advantageous terms than securities
of the  company available  for  purchase by  nationals. Moreover,  the  national
policies  of certain countries may  restrict investment opportunities in issuers
or  industries  deemed  sensitive  to  national  interests.  In  addition,  some
countries  require  governmental  approval for  the  repatriation  of investment
income, capital or  the proceeds of  securities sales by  foreign investors.  In
addition,  if there is a deterioration in a country's balance of payments or for
other reasons, a country may impose restrictions on foreign capital  remittances
abroad.  The Fund  could be  adversely affected  by delays  in, or  a refusal to
grant, any required governmental  approval for repatriation, as  well as by  the
application to it of other restrictions on investments.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting principles. Most of the foreign securities held by the  Fund
will  not be registered with  the SEC or regulators  of any foreign country, nor
will the issuers thereof be subject  to the SEC's reporting requirements.  Thus,
there  will be  less available  information concerning  most foreign  issuers of
securities held  by the  Fund  than is  available  concerning U.S.  issuers.  In
instances  where the financial statements of an issuer are not deemed to reflect
accurately the  financial situation  of the  issuer, the  Sub-adviser will  take
appropriate steps to evaluate the proposed investment, which may include on-site
inspection  of the issuer, interviews with its management and consultations with
accountants, bankers and other specialists. There is substantially less publicly
available information about foreign companies than there are reports and ratings
published   about    U.S.    companies    and   the    U.S.    government.    In
    
 
                  Statement of Additional Information Page 17
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
addition,  where public information  is available, it may  be less reliable than
such information  regarding  U.S.  issuers. Issuers  of  securities  in  foreign
jurisdictions  are generally not subject to the same degree of regulation as are
U.S.  issuers  with  respect   to  such  matters   as  restrictions  on   market
manipulation,  insider trading rules, shareholder  proxy requirements and timely
disclosure of information.
 
    CURRENCY FLUCTUATIONS. Because  the Fund, under  normal circumstances,  will
invest  a substantial portion of  its total assets in  the securities of foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the U.S. dollar  against such foreign  currencies will account  for part of  the
Fund's investment performance. A decline in the value of any particular currency
against  the U.S. dollar  will cause a decline  in the U.S.  dollar value of the
Fund's holdings  of  securities  and  cash denominated  in  such  currency  and,
therefore,  will cause an overall decline in  the Fund's net asset value and any
net investment  income and  capital gains  derived from  such securities  to  be
distributed  in U.S. dollars to shareholders of the Fund. Moreover, if the value
of the foreign currencies in which  the Fund receives its income falls  relative
to  the  U.S.  dollar between  receipt  of the  income  and the  making  of Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions if  the  Fund  has  insufficient cash  in  U.S.  dollars  to  meet
distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors including  the supply and  demand for particular  currencies,
central  bank efforts to support particular currencies, the relative movement of
interest rates and  pace of business  activity in the  other countries, and  the
U.S., and other economic and financial conditions affecting the world economy.
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
   
    ADVERSE MARKET CHARACTERISTICS.  Securities of many  foreign issuers may  be
less  liquid and their  prices more volatile than  securities of comparable U.S.
issuers. In  addition,  foreign securities  markets  and brokers  are  generally
subject  to  less governmental  supervision and  regulation  than in  the United
States, and  foreign  securities  transactions  are  usually  subject  to  fixed
commissions,  which  are generally  higher than  negotiated commissions  on U.S.
transactions. In addition,  foreign securities  transactions may  be subject  to
difficulties  associated  with the  settlement of  such transactions.  Delays in
settlement could  result  in temporary  periods  when  assets of  the  Fund  are
uninvested  and no return is  earned thereon. The inability  of the Fund to make
intended security purchases due to settlement  problems could cause the Fund  to
miss  attractive investment opportunities.  Inability to dispose  of a portfolio
security due to settlement  problems either could result  in losses to the  Fund
due  to subsequent declines in  value of the portfolio  security or, if the Fund
has entered  into a  contract to  sell the  security, could  result in  possible
liability to the purchaser. The Sub-adviser will consider such difficulties when
determining  the allocation of the Fund's  assets, although the Sub-adviser does
not believe that such  difficulties will have a  material adverse effect on  the
Fund's portfolio trading activities.
    
 
The  Fund may  use foreign  custodians, which may  involve risks  in addition to
those related to the  use of U.S. custodians.  Such risks include  uncertainties
relating  to: (i) determining and  monitoring the financial strength, reputation
and standing of the foreign  custodian; (ii) maintaining appropriate  safeguards
to  protect the Fund's investments and  (iii) possible difficulties in obtaining
and enforcing judgments against such custodians.
 
    WITHHOLDING TAXES. The Fund's net investment income from foreign issuers may
be subject  to  withholding  taxes  by the  foreign  issuer's  country,  thereby
reducing  the Fund's  net investment  income or  delaying the  receipt of income
where those taxes may be recaptured. See "Taxes."
 
                  Statement of Additional Information Page 18
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
The Fund  has  adopted  the  following  investment  limitations  as  fundamental
policies  which (unless otherwise noted) may  not be changed without approval by
the holders of  the lesser  of (i)  67% of the  Fund's shares  represented at  a
meeting  at which more than  50% of the outstanding  shares are represented, and
(ii) more than 50% of the outstanding shares.
 
The Fund may not:
 
   
        (1) Purchase any security if, as a result of that purchase, 25% or  more
    of the Fund's total assets would be invested in securities of issuers having
    their  principal business activities in the  same industry, except that this
    limitation does not  apply to securities  issued or guaranteed  by the  U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2)  Purchase or sell real estate, except that investments in securities
    of issuers that  invest in  real estate and  investments in  mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Fund may exercise rights  under agreements relating to such  securities,
    including  the right to  enforce security interests and  to hold real estate
    acquired by  reason  of such  enforcement  until  that real  estate  can  be
    liquidated in an orderly manner;
    
 
   
        (3)  Purchase or sell  physical commodities, but  the Fund may purchase,
    sell or enter into financial options and futures, forward and spot  currency
    contracts,  swap transactions  and other  financial contracts  or derivative
    instruments;
    
 
   
        (4) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (5)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (6)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting borrowings) at the time of the borrowing, except that the  Fund
    may  borrow up to  an additional 5%  of its total  assets (not including the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (7) Purchase securities of any one issuer if, as a result, more than  5%
    of the Fund's total assets would be invested in securities of that issuer or
    the  Fund  would  own  or  hold more  than  10%  of  the  outstanding voting
    securities of that issuer, except that up to 25% of the Fund's total  assets
    may  be invested  without regard  to this  limitation, and  except that this
    limitation does not  apply to securities  issued or guaranteed  by the  U.S.
    government,  its agencies  or instrumentalities  or to  securities issued by
    other investment companies.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
    
 
For purposes  of the  Fund's concentration  policy contained  in limitation  (1)
above,  the Fund intends to  comply with the SEC  staff position that securities
issued or  guaranteed  as  to  principal and  interest  by  any  single  foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
 
   
The  following operating policies  of the Fund are  not fundamental policies and
may be changed by  vote of the Company's  Board of Trustees without  shareholder
approval. The Fund may not:
    
 
        (1)  Invest in securities of an issuer if the investment would cause the
    Fund to own more than 10% of any class of securities of any one issuer;
 
        (2) Invest  in  companies  for  the purpose  of  exercising  control  or
    management;
 
                  Statement of Additional Information Page 19
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
        (3)  Enter into a futures contract, an  option on a futures contract, or
    an option on foreign currency traded  on a CFTC-regulated exchange, in  each
    case  other than for BONA FIDE hedging purposes (as defined by the CFTC), if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5% of  the liquidation  value of  the Fund's  portfolio, after  taking  into
    account  unrealized profits and unrealized losses  on any contracts the Fund
    has entered into;
    
 
        (4) Borrow money  except for  temporary or emergency  purposes (not  for
    leveraging)  not  in excess  of 33  1/3% of  the value  of the  Fund's total
    assets, except  that  the  Fund may  purchase  securities  when  outstanding
    borrowings represent less than 5% of the Fund's assets;
 
   
        (5)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments; or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
Investors should refer to the Prospectus for further information with respect to
the  Fund's investment objective, which may  not be changed without the approval
of the shareholders, and other investment policies, techniques and  limitations,
which may be changed without shareholder approval.
 
- --------------------------------------------------------------------------------
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
   
Subject  to  policies  established  by  the  Company's  Board  of  Trustees, the
Sub-adviser  is  responsible   for  the  execution   of  the  Fund's   portfolio
transactions  and  the  selection  of  brokers  and  dealers  who  execute  such
transactions on behalf  of the  Fund. In executing  portfolio transactions,  the
Sub-adviser  seeks the best net  results for the Fund,  taking into account such
factors as the price  (including the applicable  brokerage commission or  dealer
spread),  size of the order, difficulty  of execution and operational facilities
of the  firm  involved.  Although the  Sub-adviser  generally  seeks  reasonably
competitive  commission rates and  spreads, payment of  the lowest commission or
spread is not necessarily consistent with  the best net results. While the  Fund
may  engage  in soft  dollar arrangements  for  research services,  as described
below, the Fund has  no obligation to  deal with any  broker/dealer or group  of
broker/dealers in the execution of portfolio transactions.
    
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute  the  Fund's portfolio  transactions on  the basis  of the  research and
brokerage services they provide to the  Sub-adviser for its use in managing  the
Fund  and  its other  advisory accounts.  Such  services may  include furnishing
analyses, reports and  information concerning  issuers, industries,  securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance of accounts;  and effecting securities  transactions and  performing
functions  incidental thereto (such  as clearance and  settlement). Research and
brokerage services received  from such brokers  are in addition  to, and not  in
lieu  of,  the  services  required  to be  performed  by  the  Sub-adviser under
investment management and  administration contracts. A  commission paid to  such
brokers  may  be higher  than  that which  another  qualified broker  would have
charged for  effecting  the  same transaction,  provided  that  the  Sub-adviser
determines  in good faith that such commission  is reasonable in terms either of
that particular transaction or the overall responsibility of the Sub-adviser  to
the  Fund and its other clients and that  the total commissions paid by the Fund
will be reasonable in relation to the  benefits it received over the long  term.
Research   services  may  also  be  received   from  dealers  who  execute  Fund
transactions in OTC markets.
    
 
   
The Sub-adviser may allocate brokerage  transactions to broker/dealers who  have
entered  into arrangements under which the  broker/dealer allocates a portion of
the commissions  paid  by the  Fund  toward payment  of  its expenses,  such  as
transfer agent and custodian fees.
    
 
   
Investment  decisions for the Fund and  for other investment accounts managed by
the Sub-adviser  are made  independently of  each other  in light  of  differing
conditions.  However, the same investment decision  occasionally may be made for
two or more  of such accounts  including the Fund.  In such cases,  simultaneous
transactions may occur. Purchases or sales
    
 
                  Statement of Additional Information Page 20
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
   
are  then allocated as to price or amount  in a manner deemed fair and equitable
to all  accounts  involved. While  in  some cases  this  practice could  have  a
detrimental effect upon the price or value of the security as far as the Fund is
concerned,  in other  cases the Sub-adviser  believes that  coordination and the
ability to participate in volume transactions will be beneficial to the Fund.
    
 
   
Under a policy adopted by  the Company's Board of  Trustees, and subject to  the
policy  of  obtaining  the best  net  results,  the Sub-adviser  may  consider a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser serves as investment  manager in selecting  brokers and dealers  for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The   Fund   contemplates   purchasing  most   foreign   equity   securities  in
over-the-counter markets or stock  exchanges located in  the countries in  which
the  respective principal offices  of the issuers of  the various securities are
located, if that  is the best  available market. The  fixed commissions paid  in
connection  with most such foreign stock  transactions generally are higher than
negotiated commissions on  United States transactions.  There generally is  less
government   supervision  and   regulation  of   foreign  stock   exchanges  and
broker/dealers than in the  United States. Foreign  security settlements may  in
some instances be subject to delays and related administrative uncertainties.
 
Foreign  equity securities may  be held by the  Fund in the  form of ADRs, ADSs,
EDRs, CDRs or securities convertible into foreign equity securities. ADRs, ADSs,
EDRs and CDRs may be listed on stock exchanges, or traded in the OTC markets  in
the  United States or  Europe, as the  case may be.  ADRs, like other securities
traded in the United States, will be subject to negotiated commission rates. The
foreign and domestic debt securities and  money market instruments in which  the
Fund may invest are generally traded in OTC markets.
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results,  brokerage transactions may be conducted through certain companies that
are affiliates of AIM  or the Sub-adviser. The  Company's Board of Trustees  has
adopted  procedures in conformity with  Rule 17e-1 under the  1940 Act to ensure
that all brokerage commissions paid to affiliates are reasonable and fair in the
context of the market in which they are operating. Any such transactions will be
effected and related compensation  paid only in  accordance with applicable  SEC
regulations.  For the fiscal  years ended October  31, 1997, 1996  and 1995, the
Fund  paid  aggregate  brokerage  commissions  of  $3,274,528,  $3,648,347   and
$3,307,402, respectively.
    
 
PORTFOLIO TRADING AND TURNOVER
   
The  Fund engages in  portfolio trading when the  Sub-adviser has concluded that
the sale of a security owned by the Fund and/or the purchase of another security
of better value can enhance principal and/or increase income. A security may  be
sold  to avoid  any prospective decline  in market  value, or a  security may be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment  objective, a  security also  may be  sold and  a comparable security
purchased coincidentally in order to take advantage of what is believed to be  a
disparity in the normal yield and price relationship between the two securities.
Although the Fund generally does not intend to trade for short-term profits, the
securities  in  the  Fund's  portfolio will  be  sold  whenever  the Sub-adviser
believes it is  appropriate to do  so, without regard  to the length  of time  a
particular  security  may  have  been  held.  The  portfolio  turnover  rate  is
calculated by dividing the lesser of sales or purchases of portfolio  securities
by   the  Fund's   average  month-end  portfolio   value,  excluding  short-term
investments. The portfolio  turnover rate  will not  be a  limiting factor  when
management  deems  portfolio  changes  appropriate.  Higher  portfolio  turnover
involves correspondingly  greater brokerage  commissions and  other  transaction
costs that the Fund will bear directly, and may result in the realization of net
capital  gains that are taxable when distributed to the Fund's shareholders. For
the fiscal years ended October 31, 1997 and 1996, the Fund's portfolio  turnover
rates were 150% and 104%, respectively.
    
 
                  Statement of Additional Information Page 21
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*     Mr. Guilfoyle is an "interested  persons" of the Company as defined by the
    1940 Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
 
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and                1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Principal Accounting Officer      1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Sub-adviser
Vice President                    since October 1997; Executive Vice President of the Asset Management
50 California Street              Division of Liechtenstein Global Trust since October 1996; Senior Vice
San Francisco, CA 94111           President, General Counsel and Secretary of LGT Asset Management, Inc.,
                                  Chancellor LGT, GT Global, GT Services and G.T. Insurance from May 1994
                                  to October 1996; Senior Vice President, General Counsel and Secretary of
                                  Strong/Corneliuson Management, Inc. and Secretary of each of the Strong
                                  Funds from October 1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT.]
    
 
                            ------------------------
 
   
The Board of Trustees  has a Nominating and  Audit Committee, comprised of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds and recommending firms  to serve as independent  auditors of the  Company.
Each  of the Trustees and Officers of the  Company is also a Trustee and Officer
of G.T.  Investment Portfolios,  and GT  Global Floating  Rate Fund,  GT  Global
Series  Trust, G.T. Global Growth Series,  G.T. Global Eastern Europe Fund, G.T.
Global Variable Investment Trust, G.T. Global Variable Investment Series, Global
Investment Portfolio, Growth Portfolio, Floating Rate Portfolio and Global  High
Income  Portfolio, which also are registered investment companies advised by AIM
and sub-advised by the the Sub-adviser. Each Trustee and Officer serves in total
as a Trustee and  Officer, respectively, of  12 registered investment  companies
with   47  series   managed  or   administered  by   AIM  and   sub-advised  and
sub-administered by the Sub-adviser. Each Trustee who is not a director, officer
or employee of the Sub-adviser or any affiliated company is paid aggregate  fees
of  $5,000 per annum, plus $300 per Fund for each meeting of the Board attended,
and reimbursed travel and other expenses incurred in connection with  attendance
at  such  meetings.  Other Directors  and  Officers receive  no  compensation or
expense reimbursement from the  Company. For the fiscal  year ended October  31,
1997,  Mr. Anderson,  Mr. Bayley,  Mr. Patterson and  Miss Quigley,  who are not
directors, officers or employees of  the Sub-adviser or any affiliated  company,
received   total  compensation   of  $38,650,  $38,650,   $27,850  and  $38,650,
respectively, from the  Company for  their services  as Trustees.  For the  year
ended October 31, 1997, Mr. Anderson, Mr. Bayley, Mr. Patterson and Miss Quigley
received  total  compensation  of  $117,304,  $114,386,  $88,350  and  $111,688,
respectively, from the investment companies  managed or administered by AIM  and
sub-advised  and sub-admininstered by the Sub-adviser for which he or she serves
as a Trustee. Fees and expenses  disbursed to the Trustees contained no  accrued
or  payable pension, or retirement benefits. As of January 8, 1998, the Officers
and Trustees and their families as  a group owned in the aggregate  beneficially
or  of record less than 1%  of the outstanding shares of  the Fund or of all the
Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 23
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and  AIM. The Sub-adviser serves  as the Fund's sub-adviser
and sub-administrator  under  a Sub-Advisory  and  Sub-Administration  Agreement
between  AIM and the  Sub-adviser ("Management Sub-Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment manager  and
administrator,  AIM and  the Sub-adviser make  all investment  decisions for the
Fund and  administer  the  Fund's  affairs. Among  other  things,  AIM  and  the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons  who  perform the  executive,  administrative, clerical  and bookkeeping
functions of  the Company  and  the Fund,  and  provide suitable  office  space,
necessary small office equipment and utilities.
    
 
   
The  Management Contracts may  be renewed for one-year  terms, provided that any
such renewal  has been  specifically  approved at  least  annually by:  (i)  the
Company's  Board  of  Trustees, or  by  the vote  of  a majority  of  the Fund's
outstanding voting securities (as defined in the 1940 Act), and (ii) a  majority
of  Trustees  who are  not parties  to the  Management Contracts  or "interested
persons" of any such  party (as defined in  the 1940 Act), cast  in person at  a
meeting  called  for  the  specific  purpose of  voting  on  such  approval. The
Management Contracts provide that with respect to the Fund either the Company or
each of AIM or the Sub-adviser may terminate the Contracts without penalty  upon
sixty  days'  written  notice  to  the  other  party.  The  Management Contracts
terminate automatically in the event of their assignment (as defined in the 1940
Act).
    
 
   
For the  fiscal years  ended October  31, 1997,  1996 and  1995, the  Fund  paid
investment  management and administration fees to the Sub-adviser in the amounts
of $3,907,922, $4,883,626 and $5,410,744, respectively.
    
 
Certain  emerging  market   countries  require   a  local   entity  to   provide
administrative services for all direct investments by foreigners. Where required
by  local  law,  the Fund  intends  to retain  a  local entity  to  provide such
administrative services. The local administrator will be paid a fee by the  Fund
for its services.
 
DISTRIBUTION SERVICES
   
The  Fund's Class A and Class B  shares are offered through the Fund's principal
underwriter and  distributor,  AIM  Distributors,  on  a  "best  efforts"  basis
pursuant  to  separate  Distribution  Contracts  between  the  Company  and  AIM
Distributors.
    
 
   
As described in the Prospectus, on         , 1998, the Company adopted a  Master
Distribution  Plan pursuant  to Rule  12b-1 under the  1940 Act  relating to the
Class A shares of the Fund (the "Class  A Plan"). At the same time, the  Company
also  adopted a Master Distribution  Plan pursuant to Rule  12b-1 under the 1940
Act relating to Class  B shares of  the Fund (the "Class  B Plan," and  together
with the Class A Plan, the "Plans"). The rate of payments by the Funds under the
Plans, as described in the Prospectus, may not be increased without the approval
of the majority of the outstanding voting securities of the affected class.
    
 
   
BOTH  PLANS. Pursuant to  an incentive program, AIM  Distributors may enter into
agreements ("Shareholder Service Agreements")  with investment dealers  selected
from  time  to  time  by  AIM Distributors  for  the  provision  of distribution
assistance in connection  with the sale  of the Funds'  shares to such  dealers'
customers,  and for the provision of continuing personal shareholder services to
customers who may from time to time  directly or beneficially own shares of  the
Funds.  The distribution assistance and continuing personal shareholder services
to be rendered by dealers under the Shareholder Service Agreements may  include,
but  shall  not be  limited to,  the  following: distributing  sales literature;
answering routine customer inquiries concerning the Fund; assisting customers in
changing dividend options, account designations and addresses, and in  enrolling
in  any  of several  special  investment plans  offered  in connection  with the
purchase of the Fund shares; assisting  in the establishment and maintenance  of
customer  accounts and records and in  the processing of purchase and redemption
transactions;  investing   dividends  and   any  capital   gains   distributions
automatically  in  the Fund  shares; and  providing  such other  information and
services as the Fund or the customer may reasonably request.
    
 
                  Statement of Additional Information Page 24
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
Under the Plans, in addition  to the Shareholder Service Agreements  authorizing
payments   to  selected  dealers,  banks  may  enter  into  Shareholder  Service
Agreements authorizing payments under the Plans to be made to banks that provide
services to  their  customers  who  have  purchased  shares.  Services  provided
pursuant to Shareholder Service Agreements with banks may include some or all of
the  following:  answering  shareholder  inquiries regarding  the  Fund  and the
Company; performing  sub-accounting;  establishing and  maintaining  shareholder
accounts  and records; processing customer purchase and redemption transactions;
providing periodic statements  showing a shareholder's  account balance and  the
integration  of such statements with those of other transactions and balances in
the shareholder's other  accounts serviced  by the  bank; forwarding  applicable
prospectuses,  proxy statements,  reports and notices  to bank  clients who hold
Fund shares; and such other administrative  services as the Fund reasonably  may
request,  to the  extent permitted  by applicable  statute, rule  or regulation.
Similar agreements  may  be permitted  under  the Plans  for  institutions  that
provide recordkeeping for and administrative services to 401(k) plans.
    
 
   
Financial  intermediaries and any other  person entitled to receive compensation
for selling Fund shares may receive different compensation for selling shares of
one particular class over another.
    
 
   
Under a Shareholder Service Agreement, the Fund agrees to pay periodically  fees
to  selected dealers and other institutions who render the foregoing services to
their customers. The fees payable under a Shareholder Service Agreement will  be
calculated  at the end of each payment period  for each business day of the Fund
during such period at the  annual rate of 0.25% of  the average daily net  asset
value of the Fund shares purchased or acquired through exchange. Fees calculated
in  this  manner  shall  be  paid  only  to  those  selected  dealers  or  other
institutions who are dealers or institutions of record at the close of  business
on  the last business  day of the  applicable payment period  for the account in
which the Fund's shares are held.
    
 
   
Payments pursuant to the Plans are subject to any applicable limitations imposed
by rules of the National Association  of Securities Dealers, Inc. ("NASD").  The
Plans  conform to  rules of the  NASD by  limiting payments made  to dealers and
other  financial  institutions  who  provide  continuing  personal   shareholder
services  to their customers who purchase and own  shares of the Fund to no more
than 0.25% per annum of the average daily net assets of the Fund attributable to
the customers of such dealers or  financial institutions, and by imposing a  cap
on  the total  sales charges, including  asset-based sales charges,  that may be
paid by the Fund and its respective classes.
    
 
   
AIM Distributors does not act as principal, but rather as agent for the Fund, in
making dealer  incentive and  shareholder servicing  payments under  the  Plans.
These payments are an obligation of the Fund and not of AIM Distributors.
    
 
   
The  following  table  discloses  payments  made by  the  Fund  to  their former
distributor, GT Global, Inc. ("GT Global") under the prior plans of distribution
during the Fund's fiscal year ended October 31, 1997:
    
 
<TABLE>
<CAPTION>
                                                                                                 CLASS A        CLASS B
                                                                                               AMOUNT PAID    AMOUNT PAID
                                                                                              -------------  -------------
<S>                                                                                           <C>            <C>
Year ended Oct. 31, 1997....................................................................   $   977,082   $   2,022,092
</TABLE>
 
   
In approving the Plans,  the Trustees determined that  the continuation of  each
Plan  was in  the best  interests of  the shareholders  of the  Fund. Agreements
related to  the Plans  must  also be  approved by  such  vote of  the  Trustees,
including  a majority of  the Trustees who  are not "interested  persons" of the
Company (as  defined  in the  1940  Act) and  who  have no  direct  or  indirect
financial  interests in the operation of the  Plans, or in any agreement related
thereto.
    
 
   
Each Plan requires  that, at least  quarterly, the Trustees  review the  amounts
expended thereunder and the purposes for which such expenditures were made. Each
Plan  requires that so long  as it is in effect  the selection and nomination of
Trustees who are not  "interested persons" of the  Company will be committed  to
the  discretion of the Trustees who are not "interested persons" of the Company,
as defined in the 1940 Act.
    
 
   
As discussed in the Prospectus, AIM Distributors collects sales charges on sales
of Class A  shares of  the Fund,  retains certain  amounts of  such charges  and
reallows  other amounts of such charges  to broker/dealers that sell shares. The
following table reviews the extent of  such activity for the fiscal years  ended
October 31, 1997, 1996 and 1995:
    
 
<TABLE>
<CAPTION>
                                                                                     SALES CHARGES   AMOUNTS    AMOUNTS
YEAR ENDED OCT. 31,                                                                    COLLECTED    RETAINED   REALLOWED
- -----------------------------------------------------------------------------------  -------------  ---------  ----------
<S>                                                                                  <C>            <C>        <C>
1997...............................................................................   $   181,914   $  39,500  $  142,414
1996...............................................................................       426,749     118,254     308,495
1995...............................................................................     1,652,309     230,239   1,422,070
</TABLE>
 
                  Statement of Additional Information Page 25
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
AIM  Distributors  receives  any  contingent  deferred  sales  charges ("CDSCs")
payable with respect to redemption of Class B shares and certain Class A shares.
For the fiscal years ended October 31, 1995, 1996 and 1997, GT Global  collected
CDSCs in the amount of $1,115,487, $1,287,272 and $1,594,794, respectively.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The  Transfer  Agent  has  been  retained by  the  Fund  to  perform shareholder
servicing, reporting  and general  transfer agent  functions for  the Fund.  For
these  services, the Transfer Agent receives an annual maintenance fee of $17.50
per account, a new account  fee of $4.00 per account,  a per transaction fee  of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent also is reimbursed by the Fund for its out-of-pocket expenses
for  such  items as  postage, forms,  telephone  charges, stationery  and office
supplies. The  Sub-adviser also  serves  as the  Fund's pricing  and  accounting
agent. For the fiscal years ended October 31, 1997, October 31, 1996 and October
31, 1995, the Fund paid accounting services fees to the Sub-adviser of $103,144,
$125,349 and $33,216, respectively.
    
 
EXPENSES OF THE FUND
As  described  in the  Prospectus, the  Fund pays  all of  its own  expenses not
assumed by other parties. These expenses  include, in addition to the  advisory,
distribution,  transfer agency, pricing and accounting agency and brokerage fees
discussed above,  legal and  audit expenses,  custodian fees,  directors'  fees,
organizational   fees,  fidelity  bond  and  other  insurance  premiums,  taxes,
extraordinary expenses and expenses of reports and prospectuses sent to existing
investors. The allocation of general Company expenses and expenses shared  among
the  Fund and other funds organized as series  of the Company are allocated on a
basis deemed fair and equitable, which may  be based on the relative net  assets
of  the Fund or the nature of  the services performed and relative applicability
to the  Fund. Expenditures,  including  costs incurred  in connection  with  the
purchase  or sale of  portfolio securities, which  are capitalized in accordance
with  generally  accepted   accounting  principles   applicable  to   investment
companies,  are accounted for as capital items and not as expenses. The ratio of
the Fund's expenses to its relative net assets can be expected to be higher than
the expense ratios of funds investing  solely in domestic securities, since  the
cost of maintaining the custody of foreign securities and the rate of investment
management  fees  paid by  the  Fund generally  are  higher than  the comparable
expenses of such other funds.
 
- --------------------------------------------------------------------------------
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
   
As described in the Prospectus,  the Fund's net asset  value per share for  each
class  of shares  is determined at  the end of  regular trading on  the New York
Stock Exchange ("NYSE") (currently  at 4:00 p.m.  Eastern Time, unless  weather,
equipment  failure or other  factors contribute to an  earlier closing time), on
each Business  Day  as open  for  business. Currently,  the  NYSE is  closed  on
weekends and on certain days relating to the following holidays: New Year's Day,
Martin  Luther King Day,  President's Day, Good Friday,  Memorial Day, July 4th,
Labor Day, Thanksgiving Day and Christmas Day.
    
 
The Fund's portfolio securities and other assets are valued as follows:
 
   
Equity securities, including ADRs, ADSs, CDRs,  GDRs and EDRs, which are  traded
on stock exchanges, are valued at the last sale price on the exchange, or in the
principal over-the-counter market on which such securities are traded, as of the
close  of business on  the day the  securities are being  valued or, lacking any
sales, at the last available bid price. In cases where securities are traded  on
more  than one exchange, the securities are valued on the exchange determined by
the Sub-adviser to be the primary market. Securities and assets for which market
quotations are not readily available (including restricted securities which  are
subject  to limitations as to their sale) are valued at fair value as determined
in good faith by  or under the  direction of the Board  of Trustees. Trading  in
securities on European and Far Eastern securities exchanges and over-the-counter
markets  is normally completed well before the  close of the business day in New
York.
    
 
   
Long-term debt obligations are valued at  the mean of representative quoted  bid
and  asked prices for such  securities or, if such  prices are not available, at
prices for securities of  comparable maturity, quality  and type; however,  when
the  Sub-adviser deems it appropriate, prices  obtained for the day of valuation
from a bond pricing service will  be used. Short-term investments are  amortized
to  maturity based  on their  cost, adjusted  for foreign  exchange translation,
provided such valuations represent fair value.
    
 
Options on indices, securities and currencies  purchased by the Fund are  valued
at  their last bid price  in the case of  listed options or, in  the case of OTC
options, at the average of  the last bid prices  obtained from dealers unless  a
quotation from
 
                  Statement of Additional Information Page 26
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
   
only  one dealer is  available, in which  case only that  dealer's price will be
used. The  value of  each security  denominated in  a currency  other than  U.S.
dollars  will be translated into U.S. dollars at the prevailing exchange rate as
determined by the Sub-adviser  on that day. When  market quotations for  futures
and  options on futures held by the  Fund are readily available, those positions
will be valued based upon such quotations.
    
 
   
Securities and  other  assets  for  which  market  quotations  are  not  readily
available  are valued at fair value as determined  in good faith by or under the
direction of the Company's Board  of Trustees. The valuation procedures  applied
in  any  specific  instance are  likely  to  vary from  case  to  case. However,
consideration generally is  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also generally are considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to  arrive  at the  value  of  the Fund's  total  assets.  The Fund's
liabilities, including  accruals  for  expenses, are  deducted  from  its  total
assets.  Once the total  value of the  Fund's net assets  is so determined, that
value is  then divided  by the  total number  of shares  outstanding  (excluding
treasury  shares), and the result, rounded to  the nearer cent, is the net asset
value per share.
 
   
Any assets or liabilities initially  denominated in terms of foreign  currencies
are translated into U.S. dollars at the official exchange rate or at the mean of
the current bid and asked prices of such currencies against the U.S. dollar last
quoted  by a major  bank that is  a regular participant  in the foreign exchange
market or on the basis of a  pricing service that takes into account the  quotes
provided  by a  number of such  major banks.  If none of  these alternatives are
available or none are deemed to provide a suitable methodology for converting  a
foreign  currency into U.S.  dollars, the Board  of Trustees in  good faith will
establish a conversion rate for such currency.
    
 
   
Securities trading in emerging markets may not  take place on all days on  which
the  NYSE is open. Further,  trading takes place in  Japanese markets on certain
Saturdays and in various foreign markets on days on which the NYSE is not  open.
Consequently,  the calculation of the Fund's  net asset values therefore may not
take place contemporaneously with the determination of the prices of  securities
held by the Fund. Events affecting the values of portfolio securities that occur
between the time their prices are determined and the close of regular trading on
the  NYSE  will  not be  reflected  in the  Fund's  net asset  value  unless the
Sub-adviser,  under  the  supervision  of  the  Company's  Board  of   Trustees,
determines that the particular event would materially affect net asset value. As
a  result, the  Fund's net  asset value  may be  significantly affected  by such
trading on days when a shareholder cannot provide or redeem the Fund.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment of Class  A or Class  B shares purchased  should accompany the  purchase
order,  or  funds should  be wired  to the  Transfer Agent  as described  in the
Prospectus. Payment, other than by wire transfer, must be made by check or money
order drawn on  a U.S.  bank. Checks  or money orders  must be  payable in  U.S.
dollars.
 
As  a condition of this offering, if an order to purchase either class of shares
is cancelled due  to nonpayment (for  example, because a  check is returned  for
"not  sufficient funds"), the person who made  the order will be responsible for
any loss  incurred by  the Fund  by reason  of such  cancellation, and  if  such
purchaser  is a shareholder, the  Fund shall have the  authority as agent of the
shareholder to redeem  shares in his  or her account  at their then-current  net
asset  value per share  to reimburse the  Fund for the  loss incurred. Investors
whose purchase orders have  been cancelled due to  nonpayment may be  prohibited
from placing future orders.
 
   
The  Fund  reserves the  right  at any  time to  waive  or increase  the minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons.  An order to purchase shares  is not binding on  the
Fund  until it  has been confirmed  in writing  by the Transfer  Agent (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders,  the Fund reserves the right to reject any offer for a purchase of
shares by any individual.
    
 
AUTOMATIC INVESTMENT PLAN -- CLASS A SHARES AND CLASS B SHARES
To establish  participation in  the Fund's  Automatic Investment  Plan  ("AIP"),
investors  or their broker/dealers should specify whether the investment will be
in Class A  shares or Class  B shares and  send the following  documents to  the
Transfer Agent: (1) an AIP Application; (2) a Bank Authorization Form; and (3) a
voided  personal check from the pertinent  bank account. The necessary forms are
provided at the back of the Fund's Prospectus. Provided that an investor's  bank
accepts  the Bank  Authorization Form, investment  amounts will be  drawn on the
designated dates (monthly on the 25th day or beginning quarterly on the 25th day
of the  month  the  investor  first  selects) in  order  to  purchase  full  and
fractional  shares of the Fund  at the public offering  price determined on that
day. If the  25th day falls  on a Saturday,  Sunday or holiday,  shares will  be
purchased  on the next business day. If  an investor's check is returned because
of insufficient funds, a stop  payment order or the  account is closed, the  AIP
may  be discontinued, and any share purchase made upon deposit of such check may
be cancelled. Furthermore, the shareholder will be liable for any loss  incurred
by the Fund by reason of such cancellation. Investors should allow one month for
the  establishment of an AIP. An AIP may  be terminated by the Transfer Agent or
the Fund upon thirty  days' written notice  or by the  participant, at any  time
without penalty, upon written notice to the Fund or the Transfer Agent.
 
LETTER OF INTENT -- CLASS A SHARES
   
A Letter of Intent ("LOI") is not a binding obligation to purchase the indicated
amount.  While Class A shares are held in  escrow under an LOI to ensure payment
of applicable sales charges  if the indicated amount  is not met, all  dividends
and  other distributions on the escrowed shares will be reinvested in additional
Class A shares or paid in cash, as specified by the shareholder. If the intended
investment is  not completed  within the  specified thirteen-month  period,  the
purchaser must remit to AIM Distributors the difference between the sales charge
actually paid and the sales charge which would have been applicable if the total
Class  A purchases had been made at a single time. If this amount is not paid to
AIM Distributors  within  twenty days  after  written request,  the  appropriate
number  of  escrowed  shares will  be  redeemed  and the  proceeds  paid  to AIM
Distributors.
    
 
   
Any investor that  entered into a  LOI prior to  June 1, 1998,  under which  the
indicated  amount is not met, will be  subject to the sales charge schedule that
was in effect when the LOI was entered into.
    
 
A registered investment adviser,  trust company or  trust department seeking  to
execute  an LOI  as a single  purchaser with  respect to accounts  over which it
exercises investment discretion is required  to provide the Transfer Agent  with
information establishing that it has discretionary authority with respect to the
money  invested (E.G., by providing a  copy of the pertinent investment advisory
agreement). Class A shares purchased in this manner must be registered with  the
Transfer
 
                  Statement of Additional Information Page 28
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
Agent  so that only  the investment adviser, trust  company or trust department,
and not the  beneficial owner, will  be able to  place purchase, redemption  and
exchange orders.
 
   
CONVERSION OF CLASS B SHARES
    
   
Class  B shares will automatically convert into Class A shares of the same Fund.
For the purpose  of calculating the  holding period required  for conversion  of
Class  B shares, the initial issuance of Class  B shares shall mean (i) the date
on which such Class B  shares were issued, or (ii)  for Class B shares  obtained
through  an exchange, or a  series of exchanges, the  date on which the original
Class B shares  were issued.  For purposes  of conversion  to Class  A, Class  B
shares  purchased through the reinvestment  of dividends and other distributions
paid in respect of Class B shares  will be held in a separate sub-account.  Each
time  any Class B shares in the  shareholder's regular account (other than those
in the sub-account) convert to Class A, a pro rata portion of the Class B shares
in the sub-account will also convert to Class A. The portion will be  determined
by  the ratio that the shareholder's Class  B shares converting to Class A bears
to the shareholder's  total Class B  shares not acquired  through dividends  and
other distributions.
    
 
   
The  availability  of  the  conversion  feature  is  subject  to  the continuing
availability of an opinion of counsel to the effect that the dividends and other
distributions  paid  on  Class  A  and  Class  B  shares  will  not  result   in
"preferential  dividends" under the Internal Revenue  Code and the conversion of
shares does not constitute a taxable event. If the conversion feature ceased  to
be available, the Class B shares would not be converted and would continue to be
subject  to the higher ongoing  expenses of the Class  B shares beyond the eight
years. The Sub-adviser  has no  reason to believe  that this  condition for  the
availability of the conversion feature will not be met.
    
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
Class  A or Class B shares may be  purchased as the underlying investment for an
IRA meeting the  requirements of sections  408(a), 408A or  530 of the  Internal
Revenue  Code of 1986, as amended ("Code"),  as well as for qualified retirement
plans described in Code Section 401  and custodial accounts complying with  Code
Section 403(b)(7).
 
   
IRAS: If you have earned income from employment (including self-employment), you
can  contribute each year to an IRA up  to the lesser of (1) $2,000 for yourself
or $4,000  for  you  and your  spouse,  regardless  of whether  your  spouse  is
employed,  or (2) 100% of compensation. Some  individuals may be able to take an
income tax deduction for the contribution. Regular contributions may not be made
for the year  you become 70  1/2 or  thereafter. Unless your  and your  spouse's
earnings  exceed  a certain  level, you  also may  establish an  "education IRA"
and/or a  "Roth IRA."  Although contributions  to these  new types  of IRAs  are
nondeductible,   withdrawals   from  them   will   be  tax-free   under  certain
circumstances. Please  consult  your  tax  adviser  for  more  information.  IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER  IRAS: Individuals who receive  distributions from qualified retirement
plans (other than  required distributions) and  who wish to  keep their  savings
growing  tax-deferred  can  roll  over  (or make  a  direct  transfer  of) their
distribution to a  Rollover IRA. These  accounts can also  receive rollovers  or
transfers  from an existing  IRA. If an "eligible  rollover distribution" from a
qualified employer-sponsored retirement plan is  not directly rolled over to  an
IRA  (or  certain qualified  plans),  withholding at  the  rate of  20%  will be
required for federal income tax purposes.  A distribution from a qualified  plan
that  is not an "eligible rollover  distribution," including a distribution that
is one of series of substantially equal periodic payments, generally is  subject
to  regular wage withholding or withholding at the rate of 10% (depending on the
type and  amount  of  the  distribution),  unless you  elect  not  to  have  any
withholding apply. Please consult your tax adviser for more information.
 
SEP-IRAS:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  Section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either  as separate  IRAs or as  part of  a Section  401(k)
 
                  Statement of Additional Information Page 29
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
plan.  SIMPLES are not  subject to the  complicated nondiscrimination rules that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
   
Shares of the Fund  may be exchanged  for shares of  the corresponding class  of
other  GT Global Mutual  Funds or Class A  shares of funds of  The AIM Family of
Funds-Registered Trademark-, based on their respective net asset values  without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical. The exchange privilege is not  an option or right to purchase  shares
but  is permitted under the current policies  of the respective GT Global Mutual
Funds and The AIM Family of Funds. The privilege may be discontinued or  changed
at  any  time by  any of  those funds  upon  sixty days'  written notice  to the
shareholders of the fund and is available only in states where the exchange  may
be  made legally. Before purchasing shares  through the exercise of the exchange
privilege, a shareholder should obtain and read a copy of the prospectus of  the
fund to be purchased and should consider its investment objective(s).
    
 
   
THE  AIM FAMILY  OF FUNDS,  THE AIM FAMILY  OF FUNDS  AND DESIGN  (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM,  LA
FAMILIA  AIM DE FONDOS  AND LA FAMILIA  AIM DE FONDOS  AND DESIGN ARE REGISTERED
SERVICE MARKS AND  INVEST WITH DISCIPLINE  AND AIM BANK  CONNECTION ARE  SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
   
SALES CHARGE WAIVERS FOR SHARES PURCHASED PRIOR TO JUNE 1, 1998
    
   
Class  A shares that are subject to  a contingent deferred sales charge and that
were purchased before June  1, 1998 are entitled  to the following waivers  from
the  contingent deferred sales charge otherwise due upon redemption: (1) minimum
required distributions made in  connection with a GT  Global IRA, Keogh Plan  or
custodial  account under  Section 403(b)  of the  Code or  other retirement plan
following attainment of age 70 1/2;  (2) total or partial redemptions  resulting
from  a  distribution  following  retirement  in  the  case  of  a tax-qualified
employer-sponsored retirement  plan;  (3)  when  a  redemption  results  from  a
tax-free  return of an excess contribution  pursuant to Section 408(d)(4) or (5)
of the Code or  from the death  or disability of  the employee; (4)  redemptions
pursuant to the Fund's right to liquidate a shareholder's account involuntarily;
(5)    redemptions    pursuant   to    distributions   from    a   tax-qualified
employer-sponsored retirement plan, which is invested in GT Global Mutual Funds,
which are permitted to be made without penalty pursuant to the Code, other  than
tax-free  rollovers  or  transfers of  assets,  and  the proceeds  of  which are
reinvested in GT Global  Mutual Funds; (6) redemptions  made in connection  with
participant-directed  exchanges between options in an employer-sponsored benefit
plan; (7) redemptions made for the purpose of providing cash to fund a loan to a
participant  in  a  tax-qualified  retirement  plan;  (8)  redemptions  made  in
connection  with  a distribution  from any  retirement plan  or account  that is
permitted in accordance with the provisions of Section 72(t)(2) of the Code, and
the regulations promulgated thereunder; (9) redemptions made in connection  with
a  distribution from any retirement plan or  account that involves the return of
an excess deferral amount pursuant to Section 401(k)(8) or Section 402(g)(2)  of
the  Code;  (10)  redemptions made  in  connection  with a  distribution  from a
qualified profit-sharing or stock bonus plan described in Section 401(k) of  the
Code  to a participant or beneficiary under Section 401(k)(2)(B)(IV) of the Code
upon  hardship  of  the  covered  employee  (determined  pursuant  to   Treasury
Regulation  Section 1.401(k)-1(d)(2)); and  (11) redemptions made  by or for the
benefit of  certain  states,  counties  or  cities,  or  any  instrumentalities,
departments or authorities thereof where such entities are prohibited or limited
by applicable law from paying a sales charge or commission.
    
 
   
Class  B  shares purchased  before June  1,  1998 are  subject to  the following
waivers from the contingent deferred sales charge otherwise due upon  redemption
in  addition to the waivers provided for redemptions of currently issued Class B
shares as  described  in  the  Prospectus:  (1)  total  or  partial  redemptions
resulting   from  a  distribution   following  retirement  in   the  case  of  a
tax-qualified employer-sponsored retirement; (2) minimum required  distributions
made  in connection with a GT Global  IRA, Keogh Plan or custodial account under
Section 403(b) of the Code or other retirement plan following attainment of  age
70  1/2; (3) a  one-time reinvestment in Class  B shares of  the Fund within 180
days of a  prior redemption; (4)  redemptions pursuant to  distributions from  a
tax-qualified employer-sponsored retirement plan, which is invested in GT Global
Mutual  Funds, which are  permitted to be  made without penalty  pursuant to the
Code, other than tax-free rollovers or transfers of assets, and the proceeds  of
which  are  reinvested  in  GT  Global Mutual  Funds;  (5)  redemptions  made in
connection  with   participant-directed   exchanges  between   options   in   an
employer-sponsored  benefit  plan;  (6)  redemptions  made  for  the  purpose of
providing cash to  fund a loan  to a participant  in a tax-qualified  retirement
plan; (7) redemptions made in connection with a distribution from any retirement
plan  or account that is permitted in  accordance with the provisions of Section
72(t)(2)  of  the  Code,  and   the  regulations  promulgated  thereunder;   (8)
redemptions   made  in   connection  with   a  distribution   from  a  qualified
profit-sharing or stock bonus plan described in Section 401(k) of the Code to  a
participant  or  beneficiary under  Section  401(k)(2)(B)(IV) of  the  Code upon
hardship of the  covered employee  (determined pursuant  to Treasury  Regulation
Section  1.401(k)-1(d)(2)); and  (9) redemptions made  by or for  the benefit of
certain states, counties  or cities,  or any  instrumentalities, departments  or
authorities  thereof where such entities are prohibited or limited by applicable
law from paying a sales charge or commission.
    
 
                  Statement of Additional Information Page 30
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s),  and,  in the  case of  a  corporation, the  corporate seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic bank or savings institution if the proceeds are at least $500. Costs in
connection  with  the administration  of this  service, including  wire charges,
currently are borne by the  Fund. Proceeds of less than  $500 will be mailed  to
the  shareholder's registered address of record. The Fund and the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
 
SYSTEMATIC WITHDRAWAL PLAN
Shareholders  owning Class A or  Class B shares with a  value of $10,000 or more
may establish a Systematic Withdrawal Plan  ("SWP"). Under a SWP, a  shareholder
will receive monthly or quarterly payments, in amounts of not less than $100 per
payment,  through the automatic redemption of  the necessary number of shares on
the designated dates (monthly on the 25th day or beginning quarterly on the 25th
day of  the month  the investor  first  selects). If  the 25th  day falls  on  a
Saturday,  Sunday  or  holiday, the  redemption  will  take place  on  the prior
business day. Certificates, if any, for  the shares being redeemed must be  held
by  the Transfer Agent. Checks will be  made payable to the designated recipient
and mailed within  seven days.  If the recipient  is other  than the  registered
shareholder,  the signature  of each shareholder  must be guaranteed  on the SWP
application (see "How to  Redeem Shares" in the  Prospectus). A corporation  (or
partnership)  must also submit  a "Corporation Resolution"  or "Certification of
Partnership" indicating  the names,  titles and  signatures of  the  individuals
authorized  to act on  its behalf, and the  SWP application must  be signed by a
duly authorized officer(s) and the corporate seal affixed.
 
With respect to a SWP, the maximum  annual SWP withdrawal is 12% of the  initial
account  value.  Withdrawals  in excess  of  12%  of the  initial  account value
annually may result  in assessment of  a contingent deferred  sales charge.  See
"How to Invest" in the Prospectus.
 
Shareholders should be aware that such systematic withdrawals may deplete or use
up entirely the initial investment and result in the realization of long-term or
short-term capital gains or losses. The SWP may be terminated at any time by the
Transfer  Agent or the Fund upon thirty days' written notice or by a shareholder
upon written notice to the Fund or the Transfer Agent. Applications and  further
details  regarding establishment of a SWP are provided at the back of the Fund's
Prospectus.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The Fund may suspend redemption privileges  or postpone the date of payment  for
more  than seven days after a redemption order is received during any period (1)
when the NYSE is  closed other than customary  weekend and holiday closings,  or
trading  on the NYSE is restricted as directed by the SEC, (2) when an emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Fund to dispose of securities  owned by it or fairly  to determine the value  of
its assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board of Trustees, make it undesirable for the Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be made  in portfolio  securities or other  property of  the Fund,  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  the  Fund  will  pay in  cash  all  requests for  redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the  lesser of $250,000 or 1%  of the Fund's net  asset
value at the beginning of such period. This election will be irrevocable so long
as  Rule  18f-1 remains  in effect,  unless  the SEC  by order  upon application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 31
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To continue to qualify for treatment  as a regulated investment company  ("RIC")
under  the Code, the Fund  must distribute to its  shareholders for each taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several  additional requirements. These requirements  include the following: (1)
the Fund must derive  at least 90%  of its gross income  each taxable year  from
dividends,  interest, payments with  respect to securities  loans and gains from
the sale or  other disposition  of securities  or foreign  currencies, or  other
income (including gains from options, Futures or Forward Contracts) derived with
respect  to its business of investing in securities or those currencies ("Income
Requirement"); (2) at the close of each  quarter of the Fund's taxable year,  at
least  50% of the value of its total assets must be represented by cash and cash
items,  U.  S.  government  securities,  securities  of  other  RICs  and  other
securities,  with these securities limited, in respect  of any one issuer, to an
amount that does not exceed 5% of the value of the Fund's total assets and  that
does  not represent more than 10% of the issuer's outstanding voting securities;
and (3) at the close of each quarter  of the Fund's taxable year, not more  than
25%  of the value of its total assets  may be invested in securities (other than
U.S. government securities or the securities of other RICs) of any one issuer.
 
Dividends and  other distributions  declared  by the  Fund  in, and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion of  the dividends from  the Fund's investment  company taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be aware that if shares are purchased shortly before the record date
for any dividend or other distribution, the shareholder will pay full price  for
the shares and receive some portion of the price back as a taxable distribution.
 
The  Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year substantially  all
of  its  ordinary income  for  that year  and capital  gain  net income  for the
one-year period ending on October 31 of that year, plus certain other amounts.
 
FOREIGN TAXES
Dividends and interest received by the Fund, and gains realized thereby, may  be
subject  to income, withholding or other  taxes imposed by foreign countries and
U.S. possessions  ("foreign taxes")  that would  reduce the  yield and/or  total
return  on its  securities. Tax  conventions between  certain countries  and the
United States may reduce or eliminate  foreign taxes, however, and many  foreign
countries  do not  impose taxes  on capital gains  in respect  of investments by
foreign investors. If more than 50% of  the value of the Fund's total assets  at
the  close of its  taxable year consists of  securities of foreign corporations,
the Fund  will be  eligible to,  and may,  file an  election with  the  Internal
Revenue  Service that  will enable its  shareholders, in effect,  to receive the
benefit of the foreign tax credit with respect to any foreign taxes paid by  it.
Pursuant  to the election, the Fund would treat those taxes as dividends paid to
its shareholders and each shareholder would be required to (1) include in  gross
income,  and treat as paid by him, his share of those taxes, (2) treat his share
of those taxes and of any dividend paid by the Fund that represents income  from
foreign  and U.S. possessions sources  as his own income  from those sources and
(3) either deduct the taxes deemed paid  by him in computing his taxable  income
or,  alternatively, use the foregoing information in calculating the foreign tax
credit against his federal income tax. The Fund will report to its  shareholders
shortly  after each taxable  year their respective shares  of the Fund's foreign
taxes and income from sources within  foreign countries and U.S. possessions  if
it makes this election. Pursuant to the Taxpayer Relief Act of 1997 ("Tax Act"),
individuals who have no more than $300 ($600 for married persons filing jointly)
of  creditable foreign  taxes included  on Form  1099 and  all of  whose foreign
source  income  is  "qualified  passive  income"  may  elect  each  year  to  be
 
                  Statement of Additional Information Page 32
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
exempt  from the extremely complicated foreign tax credit limitation and will be
able to claim a foreign tax credit without having to file the detailed Form 1116
that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The Fund  may invest  in the  stock of  "passive foreign  investment  companies"
("PFICs").  A PFIC is a foreign corporation  -- other than a "controlled foreign
corporation" (I.E.,  a foreign  corporation  in which,  on  any day  during  its
taxable  year,  more than  50% of  the total  voting power  of all  voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Fund is a U.S.  shareholder (effective for its taxable year  beginning
November  1, 1998) -- that, in general, meets either of the following tests: (1)
at least 75% of its gross income is passive or (2) an average of at least 50% of
its assets produce,  or are held  for the production  of, passive income.  Under
certain  circumstances, the  Fund will  be subject  to federal  income tax  on a
portion of  any "excess  distribution" received  on,  or of  any gain  from  the
disposition  of, stock  of a  PFIC (collectively  "PFIC income"),  plus interest
thereon, even if the Fund distributed the  PFIC income as a taxable dividend  to
its  shareholders. The balance of the PFIC income will be included in the Fund's
investment company taxable income and, accordingly,  will not be taxable to  the
Fund to the extent it distributes that income to its shareholders.
 
If  the Fund  invests in a  PFIC and  elects to treat  the PFIC  as a "qualified
electing fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and  interest
obligation,  the Fund would be  required to include in  income each year its pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of net long-term capital  gain over net short-term  capital loss) -- which  most
likely  would have  to be  distributed by the  Fund to  satisfy the Distribution
Requirement and to avoid imposition of the Excise Tax -- even if those  earnings
and  gain were not received by the Fund  from the QEF. In most instances it will
be very difficult, if not impossible,  to make this election because of  certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark  to market" its  stock in any PFIC.  "Marking-to-Market," in this context,
means including in ordinary income each taxable year the excess, if any, of  the
fair  market value of the stock over the Fund's adjusted basis therein as of the
end of that year.  Pursuant to the  election, the Fund also  will be allowed  to
deduct  (as an ordinary, not capital, loss)  the excess, if any, of its adjusted
basis in  PFIC stock  over  the fair  market value  thereof  as of  the  taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that  stock included in income  by the Fund for  prior taxable years. The Fund's
adjusted basis in each PFIC's stock subject to the election will be adjusted  to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations proposed in 1992  would provide a similar  election with respect  to
the stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends  paid by the Fund to a shareholder  who, as to the United States, is a
nonresident alien individual, nonresident alien fiduciary of a trust or  estate,
foreign  corporation  or foreign  partnership ("foreign  shareholder") generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder that is "effectively connected with  the conduct of a U.S. trade  or
business,"  in which case the  reporting and withholding requirements applicable
to domestic shareholders will apply. A  distribution of net capital gain by  the
Fund  to a foreign shareholder generally will  be subject to U.S. federal income
tax (at the rates  applicable to domestic persons)  only if the distribution  is
"effectively  connected" or  the foreign  shareholder is  treated as  a resident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options and Futures and entering into Forward Contracts, involves complex  rules
that  will determine, for federal income tax purposes, the amount, character and
timing of recognition of  the gains and losses  the Fund realizes in  connection
therewith.  Gains  from the  disposition of  foreign currencies  (except certain
gains that  may be  excluded  by future  regulations),  and gain  from  options,
Futures  and Forward Contracts derived by the  Fund with respect to its business
of investing in securities  or foreign currencies,  will qualify as  permissible
income under the Income Requirement.
 
Futures  and Forward  Contracts that  are subject  to section  1256 of  the Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts")  and  that are  held by  the Fund  at  the end  of its  taxable year
generally will be deemed to  have been sold at  market value for federal  income
tax  purposes. Sixty percent of any net  gain or loss recognized on these deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256 Contracts,  will be  treated as  long-term capital  gain or  loss, and  the
balance  will be treated as  short-term capital gain or loss.  As of the date of
preparation of  this Statement  of Additional  Information, it  is not  entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net  capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the 15%
marginal tax bracket) for gain recognized  on capital assets held for more  than
18  months -- instead of  the 28% rate in  effect before that legislation, which
now applies to gain recognized on capital assets held for more than one year but
not more than
 
                  Statement of Additional Information Page 33
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
18 months, although  technical corrections  legislation passed by  the House  of
Representatives late in 1997 would treat it as qualifying therefor.
 
Section  988 of the Code also may apply to gains and losses from transactions in
foreign currencies, foreign  currency-denominated debt  securities and  options,
Futures  and Forward  Contracts on foreign  currencies ("Section  988" gains and
losses). Each Section  988 gain  or loss  generally is  computed separately  and
treated as ordinary income or loss. In the case of overlap between sections 1256
and  988, special provisions  determine the character and  timing of any income,
gain or loss. The Fund attempts to monitor section 988 transactions to  minimize
any adverse tax impact.
 
If  the Fund has  an "appreciated financial position"  -- generally, an interest
(including an interest through an option,  Futures or Forward Contract or  short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership  interest the fair market value  of which exceeds its adjusted basis
- -- and enters into  a "constructive sale" of  the same or substantially  similar
property,  the Fund will be treated as  having made an actual sale thereof, with
the result  that gain  will be  recognized  at that  time. A  constructive  sale
generally consists of a short sale, an offsetting notional principal contract or
Futures  or Forward Contract entered  into by the Fund  or a related person with
respect to  the same  or substantially  similar property.  In addition,  if  the
appreciated  financial  position is  itself  a short  sale  or such  a contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting the Fund and its  shareholders. Investors are urged to
consult their own tax advisers for more detailed information and for information
regarding any  foreign,  state  and  local  taxes  applicable  to  distributions
received from the Fund.
 
- --------------------------------------------------------------------------------
 
   
                             ADDITIONAL INFORMATION
    
 
- --------------------------------------------------------------------------------
 
   
AIM  was organized in 1976, and along  with its subsidiaries, manages or advises
over 50 investment company portfolios  encompassing a broad range of  investment
objectives.  AIM is a direct, wholly owned  subsidiary of A I M Management Group
Inc. ("AIM  Management"),  a  holding  company that  has  been  engaged  in  the
financial  services  business since  1976. AIM  is the  sole shareholder  of the
Funds' principal underwriter,  AIM Distributors. AIM  Management is an  indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England.  AMVESCAP  PLC  and  its  subsidiaries  are  an  independent investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide  asset  management  affiliates   also  currently  include  GT   Asset
Management, Inc. in Toronto, Canada; GT Asset Management PLC in London, England;
GT  Asset Management Ltd.  in Hong Kong;  GT Asset Management  Ltd. in Tokyo; GT
Asset Management Pte. Ltd. in Singapore; GT Asset Management Ltd. in Sydney; and
GT Asset Management GmbH in Frankfurt.]
    
 
CUSTODIAN
State Street  Bank and  Trust  Company ("State  Street"), 225  Franklin  Street,
Boston,  MA  02110, acts  as custodian  of  the Fund's  assets. State  Street is
authorized to  establish  and  has  established  separate  accounts  in  foreign
currencies  and to cause securities of the  Fund to be held in separate accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The Fund's independent accountants are                        , One Post  Office
Square, Boston, MA 02109.                        will conduct an annual audit of
the  Fund, assist in the preparation of  the Fund's federal and state income tax
returns and consult with the Company and  the Fund as to matters of  accounting,
regulatory filings, and federal and state income taxation.
    
 
   
The  audited financial statements  of the Company included  in this Statement of
Additional Information have been examined by                        , as  stated
in their opinion appearing herein and are included in reliance upon such opinion
given upon the authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The  Sub-adviser  has granted  the Company  the right  to use  the "GT"  and "GT
Global" names and has reserved the right  to withdraw its consent to the use  of
such  names by the Company and/or  the Fund at any time,  or to grant the use of
such names to any other company.
    
 
                  Statement of Additional Information Page 34
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
   
The  Fund's "Standardized Returns," as referred to in the Prospectus (see "Other
Information --  Performance  Information"  in the  Prospectus),  are  calculated
separately  for Class A and Class B shares of the Fund, as follows: Standardized
Return (average  annual total  return ("T"))  is computed  by using  the  ending
redeeming  value ("ERV")  of a hypothetical  initial investment  of $1,000 ("P")
over a period of years ("n") according  to the following formula as required  by
the  SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will be
reflected in computations made in accordance with this formula: (1) for Class  A
shares,  deduction of the maximum sales charge  of 4.75% from the $1,000 initial
investment; (2)  for Class  B  shares, deduction  of the  applicable  contingent
deferred  sales charge imposed  on a redemption  of Class B  shares held for the
period; (3) reinvestment of dividends and other distributions at net asset value
on the reinvestment date determined by the Company's Board of Trustees; and  (4)
a complete redemption at the end of any period illustrated.
    
 
The  Standardized Returns for the Class A and Class B shares of the Fund, stated
as average annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                      EMERGING MARKETS     EMERGING MARKETS
PERIOD                                                                                 FUND (CLASS A)       FUND (CLASS B)
- -----------------------------------------------------------------------------------  -------------------  -------------------
<S>                                                                                  <C>                  <C>
Fiscal year ended Oct. 31, 1997....................................................          (18.52)%             (19.16)%
Oct. 31, 1992 through Oct. 31, 1997................................................            2.30%                 n/a
April 1, 1993 (commencement of operations) through Oct. 31, 1997...................             n/a                 1.81%
May 18, 1992 (commencement of operations) through Oct. 31, 1997....................            1.57%                 n/a
</TABLE>
 
NON-STANDARDIZED RETURNS In addition to Standardized Returns, the Fund may  also
include  in advertisements, sales literature and shareholder reports other total
return performance data ("Non-Standardized Return"). Non-Standardized Return  is
calculated  separately for  Class A and  Class B shares  of the Fund  and may be
calculated according to several different formulas. Non-Standardized Returns may
be quoted for the same or different time periods for which Standardized  Returns
are  quoted. Non-Standardized  Returns may  or may  not take  sales charges into
account; performance data calculated without taking the effect of sales  charges
into account will be higher than data including the effect of such charges.
 
Average  annual Non-Standardized  Return ("T") is  computed by  using the ending
redeeming value ("ERV")  of a  hypothetical initial investment  of $1,000  ("P")
over  a period of years ("n") according  to the following formula as required by
the SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will  be
reflected in computations made in accordance with this formula: (1) no deduction
of  sales charges; (2) reinvestment of  dividends and other distributions at net
asset value on the reinvestment date determined by the Board; and (3) a complete
redemption at the end of any period illustrated.
 
The average annual Non-Standardized Returns for  the Class A and Class B  shares
of  the Fund, stated as average annualized  total returns for the periods shown,
were:
 
<TABLE>
<CAPTION>
                                                                                      EMERGING MARKETS     EMERGING MARKETS
PERIOD                                                                                 FUND (CLASS A)       FUND (CLASS B)
- -----------------------------------------------------------------------------------  -------------------  -------------------
<S>                                                                                  <C>                  <C>
Fiscal year ended Oct. 31, 1997....................................................          (14.45)%             (14.91)%
Oct. 31, 1992 through Oct. 31, 1997................................................            3.30%                 n/a
April 1, 1993 (commencement of operations) through Oct. 31, 1997...................             n/a                 2.21%
May 18, 1992 (commencement of operations) through Oct. 31, 1997....................            2.48%                 n/a
</TABLE>
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to the following  formula: T =  (VOA/P)-1. Aggregate Non-Standardized
Return assumes reinvestment  of dividends  and other distributions  and, as  set
forth below, may or may not take sales charges into account.
 
                  Statement of Additional Information Page 35
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the  Class A  and Class  B shares  of the  Fund, stated  as aggregate  total
returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                       EMERGING MARKETS       EMERGING MARKETS
PERIOD                                                                                  FUND (CLASS A)         FUND (CLASS B)
- -----------------------------------------------------------------------------------  ---------------------  ---------------------
<S>                                                                                  <C>                    <C>
April 1, 1993 (commencement of operations) through Oct. 31, 1997...................              n/a                  10.55%
May 18, 1992 (commencement of operations) through Oct. 31, 1997....................            14.32%                   n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (taking  sales charges into account) for
the Class A and B shares of the Fund, stated as aggregate total returns for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                       EMERGING MARKETS       EMERGING MARKETS
PERIOD                                                                                  FUND (CLASS A)         FUND (CLASS B)
- -----------------------------------------------------------------------------------  ---------------------  ---------------------
<S>                                                                                  <C>                    <C>
April 1, 1993 (commencement of operations) through Oct. 31, 1997...................              n/a                   8.55%
May 18, 1992 (commencement of operations) through Oct. 31, 1997....................             8.89%                   n/a
</TABLE>
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO EMERGING EQUITY AND BOND MARKETS
   
The  Fund and AIM  Distributors may from  time to time  in advertisements, sales
literature and reports furnished to present or prospective shareholders, compare
the Fund with the following, among others:
    
 
        (1) The Consumer Price Index ("CPI"), which is a measure of the  average
    change  in prices over time  in a fixed market  basket of goods and services
    (E.G., food,  clothing, shelter,  fuels, transportation  fares, charges  for
    doctors' and dentists' services, prescription medicines, and other goods and
    services  that people  buy for day-to-day  living). There  is inflation risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2) Data  and  mutual fund  rankings  published or  prepared  by  Lipper
    Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger  Investment
    Company Service  ("CDA/Wiesenberger"),  Morningstar,  Inc.  ("Morningstar"),
    Micropal,  Inc. and/or other companies that rank and/or compare mutual funds
    by overall  performance,  investment  objectives,  assets,  expense  levels,
    periods  of existence and/or other  factors. In this regard  the Fund may be
    compared to  its  "peer  group"  as  defined  by  Lipper,  CDA/Wiesenberger,
    Morningstar and/or other firms as applicable, or to specific funds or groups
    of  funds within or outside of such peer group. Lipper generally ranks funds
    on the basis of  total return, assuming  reinvestment of distributions,  but
    does  not take sales  charges or redemption fees  into consideration, and is
    prepared without regard to tax consequences. In addition to the mutual  fund
    rankings,  the Fund's performance may be compared to mutual fund performance
    indices prepared by Lipper. Morningstar is a mutual fund rating service that
    also  rates  mutual  funds  on  the  basis  of  risk-adjusted   performance.
    Morningstar  ratings are calculated  from a fund's three,  five and ten year
    average annual returns with  appropriate fee adjustments  and a risk  factor
    that  reflects fund  performance relative  to the  three-month U.S. Treasury
    bill monthly returns.  Ten percent of  the funds in  an investment  category
    receive  five stars and 22.5% receive four stars. The ratings are subject to
    change each month.
 
        (3) Bear  Stearns  Foreign Bond  Index,  which provides  simple  average
    returns for individual countries and gross national product ("GNP")-weighted
    index,  beginning in 1975. The  returns are broken down  by local market and
    currency.
 
        (4) Ibbotson  Associates  International  Bond Index,  which  provides  a
    detailed breakdown of local market and currency returns since 1960.
 
        (5)  Standard & Poor's  "500" Index, which is  a widely recognized index
    composed of the capitalization-weighted average of  the price of 500 of  the
    largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley  Capital International All  Country (AC) World  index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2,500 different issuers,  located in 47 countries,  and
    grouped in 38 separate industries.
 
                  Statement of Additional Information Page 36
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE"), which provides brief reports on most of the World Bank's borrowing
    members. The World  Development Report  is published annually  and looks  at
    global   and  regional  economic  trends  and  their  implications  for  the
    developing economies.
 
       (12) Salomon Brothers Global Telecommunications Index, which is  composed
    of telecommunications companies in the developing and emerging countries.
 
       (13)  Datastream and  Worldscope, each  of which  is an  on-line database
    retrieval service  for information,  including international  financial  and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15) Various publications and reports produced by the World Bank and  its
    affiliates.
 
       (16)  Various publications from the International Bank for Reconstruction
    and Development.
 
       (17) Various publications  produced by ratings  agencies such as  Moody's
    Investor  Services, Inc. ("Moody's"),  Standard & Poor's,  a division of The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18) Wilshire Associates, which is an on-line database for  international
    financial  and economic data including performance  measure for a wide range
    of securities.
 
       (19) Bank Rate National Monitor Index, which is an average of the  quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20)  International  Finance  Corporation ("IFC")  Emerging  Markets Data
    Base, which  provides detailed  statistics on  stock markets  in  developing
    countries.
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various  financial  organizations,  such  as  Salomon  Brothers,  Inc.,   Lehman
Brothers,  Merrill  Lynch,  Pierce,  Fenner &  Smith,  Inc.,  Financial Research
Corporation, J. P. Morgan, Morgan Stanley, Smith Barney Shearson, S.G.  Warburg,
Jardine  Flemming,  The Bank  for  International Settlements,  Asian Development
Bank, Bloomberg, L.P. and Ibbotson Associates may be used as well as information
reported by the  Federal Reserve  and the  respective Central  Banks of  various
nations. In addition, AIM Distributors may use performance rankings, ratings and
commentary  reported periodically in  national financial publications, including
Money Magazine, Mutual  Fund Magazine, Smart  Money, Global Finance,  EuroMoney,
Financial  World, Forbes, Fortune, Business Week, Latin Finance, The Wall Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's,  The  Financial Times,  USA  Today, The  New  York Times,  Far Eastern
Economic Review,  The Economist  and Investors  Business Digest.  Each Fund  may
compare  its performance to that of  other compilations or indices of comparable
quality to those listed above and other  indices that may be developed and  made
available in the future.
    
 
   
Information   relating  to   foreign  market   performance,  capitalization  and
diversification is based on sources believed  to be reliable but may be  subject
to  revision  and  has  not  been independently  verified  by  the  Fund  or AIM
Distributors. The  authors  and  publishers  of such  material  are  not  to  be
considered  as "experts" under the 1933 Act, on account of the inclusion of such
information herein.
    
 
A portion of the  performance figures for each  market includes the positive  or
negative effects of the currency exchange rates effective at December 31 of each
year  between the U.S. dollar and currency of the foreign market (e.g., Japanese
Yen, German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that  has
strengthened  or weakened against the U.S.  dollar will positively or negatively
affect the reported returns, as the case may be.
 
   
AIM Distributors  believes that  this  information may  be useful  to  investors
considering  whether and to  what extent to  diversify their investments through
the purchase of mutual funds investing in securities on a global basis. However,
this data is not a representation of the past performance of the Fund, nor is it
a prediction of such performance. The performance of the Funds will differ  from
the  historical performance of relevant indices. The performance of indices does
    
 
                  Statement of Additional Information Page 37
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
not take  expenses  into  account,  while  each  Fund  incurs  expenses  in  its
operations,  which will reduce performance. Each of these factors will cause the
performance of each Fund to differ from relevant indices.
 
   
From time to  time, the Fund  and AIM Distributors  may refer to  the number  of
shareholders  in the  Fund or  the aggregate  number of  shareholders in  all GT
Global Mutual Funds  or the  dollar amount of  Fund assets  under management  or
rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM  Distributors believes the  Fund is an  appropriate investment for long-term
investment  goals,  including  funding  retirement,  paying  for  education   or
purchasing  a house. AIM  Distributors may provide  information designed to help
individuals understand  their investment  goals  and explore  various  financial
strategies.  For example,  AIM Distributors  may describe  general principles of
investing, such as  asset allocation,  diversification and  risk tolerance.  The
Fund  does  not represent  a complete  investment  program and  investors should
consider the  Fund as  appropriate for  a portion  of their  overall  investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From  time to time, AIM Distributors may refer to or advertise the names of U.S.
and non-U.S. companies and  their products, although there  can be no  assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets  is based  on  the returns  of  different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to  demonstrate  general  risk-versus-reward  investment  scenarios. Performance
comparisons may also include  the value of a  hypothetical investment in any  of
these  capital  markets. The  risks associated  with the  security types  in any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Fund.
 
The Fund may quote various measures of volatility and benchmark correlation such
as beta, standard deviation and R(2)  in advertising. In addition, the fund  may
compare  these measures to those of other  funds. Measures of volatility seek to
compare the Fund's historical share price fluctuations or total return to  those
of a benchmark.
 
The  Fund may  advertise examples of  the effects of  periodic investment plans,
including the principle of dollar cost averaging programs. In such a program, an
investor invests a fixed dollar amount in a fund at periodic intervals,  thereby
purchasing  fewer shares when  prices are high  and more shares  when prices are
low. While such a strategy does not assure  a profit or guard against loss in  a
declining  market, the investor's  average cost per  share can be  lower than if
fixed numbers of shares are purchased at the same intervals. In evaluating  such
a  plan, investors should  consider their ability  to continue purchasing shares
through periods of low price levels.
 
The Fund may describe in its  sales material and advertisements how an  investor
may  invest in GT Global Mutual Funds  through various retirement plans or other
programs that offer deferral of income taxes on investment earnings and pursuant
to which  an  investor  may  make deductible  contributions.  Because  of  their
advantages,  these retirement plans and programs may produce returns superior to
comparable non-retirement investments. For example, a $10,000 investment earning
a taxable return of 10% annually would have an after-tax value of $17,976  after
ten  years, assuming tax was deducted from the return each year at a 39.6% rate.
An equivalent tax-deferred investment would  have an after-tax value of  $19,626
after  ten years, assuming  tax was deducted  at a 39.6%  rate from the deferred
earnings  at  the   end  of  the   ten-year  period.  In   sales  material   and
advertisements,  the  Fund  may  also  discuss  these  plans  and  programs. See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM Distributors may from  time to time in  its sales materials and  advertising
discuss  the risks inherent in investing. The major types of investment risk are
market risk, industry risk, credit risk, interest rate risk, liquidity risk  and
inflation risk. Risk represents the possibility that you may lose some or all of
your investment over a period of time. A basic tenet of investing is the greater
the potential reward, the greater the risk.
    
 
   
From  time  to  time,  the  Fund and  AIM  Distributors  will  quote information
including but  not limited  to data  regarding: individual  countries,  regions,
companies,  world stock exchanges, and  economic and demographic statistics from
sources AIM Distributors  deems reliable, including  the economic and  financial
data of financial organizations, such as:
    
 
 1) Stock  market  capitalization:  Morgan Stanley  Capital  International World
    Indices, IFC and Datastream.
 
 2) Stock market  trading volume:  Morgan  Stanley Capital  International  World
    Indices and IFC.
 
                  Statement of Additional Information Page 38
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
 3) The  number of  listed companies: IFC,  G.T. Guide to  World Equity Markets,
    Salomon Brothers, Inc., and S.G. Warburg.
 
 4) Wage rates: U.S. Department of  Labor Statistics and Morgan Stanley  Capital
    International World Indices.
 
 5) International  industry  performance: Morgan  Stanley  Capital International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock  market  performance:  Morgan  Stanley  Capital  International   World
    Indices, IFC and Datastream.
 
 7) The  Consumer Price Index and inflation rate: The World Bank, Datastream and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry or market: IFC, G.T. Guide to World
    Equity Markets, Salomon Brothers Inc., and S.G. Warburg.
 
15) Foreign direct  investments  to developing  countries:  The World  Bank  and
    Datastream.
 
16) Supply,  consumption,  demand  and  growth in  demand  of  certain products,
    services and industries, including, but  not limited to electricity,  water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources  of such information may include, but  would not be limited to, The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard deviation and performance returns for U.S. and non-U.S. equity  and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries  restructuring their debt,  including those under  the Brady Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government and  corporate bonds  -- credit  ratings, yield  to maturity  and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time to time, AIM Distributors may include in its advertisements and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
   
In  advertising and sales  materials, AIM Distributors may  make reference to or
discuss its products, services and accomplishments. Among these  accomplishments
are  that in 1983 the Sub-adviser provided  assistance to the government of Hong
Kong in  linking its  currency to  the U.S.  dollar, and  that in  1987  Japan's
Ministry  of  Finance licensed  GT Asset  Management  Ltd. as  one of  the first
foreign  discretionary  investment   managers  for   Japanese  investors.   Such
accomplishments,  however,  should  not  be  viewed  as  an  endorsement  of the
Sub-adviser by the government of Hong  Kong, Japan's Ministry of Finance or  any
other  government or government  agency. Nor do any  such accomplishments of the
Sub-adviser provide any assurance  that the GT  Global Mutual Funds'  investment
objectives will be achieved.
    
 
As  part of Liechtenstein Global Trust,  GT Global continues a 75-year tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine  offices  worldwide,  we  witness world  events  and  economic developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The key to achieving  consistent results is  following a disciplined  investment
process.  Our  approach  to  asset allocation  takes  advantage  of  GT Global's
worldwide  presence  and  global  perspective.  Our  "macroeconomic"   worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up  process  of  security selection  combines  fundamental  research with
quantitative analysis through our proprietary models.
 
                  Statement of Additional Information Page 39
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
Built-in checks  and balances  strengthen  the process,  enhancing  professional
experience  and judgment with an objective  assessment of risk. Ultimately, each
security we select has  passed a ranking system  that helps our portfolio  teams
determine  when to buy and when to sell.  With respect to stocks, a global stock
research ("GSR") database developed  by GT Global is  utilized in the  selection
process.  All stocks  within the GSR  database are systematically  ranked by our
analysts on a  1-5 basis  with 1 representing  the most  favored. The  rankings,
along  with our quantitative,  fundamental research, determine  which stocks are
bought and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
- --------------------------------------------------------------------------------
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
                  Statement of Additional Information Page 40
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
        1.  An application for rating was not received or accepted.
 
        2.  The issue or  issuer belongs to a  group of securities or  companies
    that are not rated as a matter of policy.
 
        3.  There is a lack of essential data pertaining to the issue or issuer.
 
        4.   The  issue was privately  placed, in  which case the  rating is not
    published in Moody's publications.
 
Suspension or withdrawal may occur if new and material circumstances arise,  the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable  up-to-date data  to permit  a judgment  to be  formed; if  a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies  numerical modifiers, 1,  2 and 3  in each generic  rating
classification  from Aa to Caa. The modifier  1 indicates that the Company ranks
in the higher end  of its generic  rating category; the  modifier 2 indicates  a
mid-range  ranking; and the modifier  3 indicates that the  Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a  division of The  McGraw-Hill Companies, Inc.  ("S&P"),
rates  the securities debt of various  entities in categories ranging from "AAA"
to "D"  according  to quality.  Investment  grade  ratings are  the  first  four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
                  Statement of Additional Information Page 41
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient information on which to base a rating, or that S&P does not rate  a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates  of return on  funds employed; conservative  capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in  earnings
coverage  of  fixed financial  charges and  high  internal cash  generation; and
well-established access to a range of  financial markets and assured sources  of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior  short-term debt obligations. This normally  will be evidenced by many of
the characteristics cited  above but  to a  lesser degree.  Earnings trends  and
coverage  ratios, while sound, may be  more subject to variation. Capitalization
characteristics, while  still  appropriate, may  be  more affected  by  external
conditions. Ample alternate liquidity is maintained.
 
    S&P  ratings of commercial paper are  graded into several categories ranging
from "A1" for the highest quality obligations  to "D" for the lowest. Issues  in
the  "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate the
relative degree  of safety.  A-1 --  This highest  category indicates  that  the
degree  of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation.  A-2  -- Capacity  for  timely  payments on  issues  with  this
designation  is satisfactory; however,  the relative degree of  safety is not as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
   
To be filed.
    
 
                  Statement of Additional Information Page 42
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity for U.S. investors by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on large cap equity securities of U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Invests in global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in a portfolio of emerging market debt securities
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT  BE RELIED UPON AS  HAVING BEEN AUTHORIZED BY  GT
  GLOBAL  EMERGING MARKETS FUND, G.T. INVESTMENT  FUNDS, A I M ADVISORS, INC.,
  [CHANCELLOR GT ASSET  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS
  STATEMENT  OF ADDITIONAL INFORMATION DOES NOT CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
                                                                   EMESA703   MC
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
                      Statement of Additional Information
                                  June 1, 1998
    
 
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This  Statement of  Additional Information  relates to the  Class A  and Class B
shares of  GT  Global  Developing Markets  Fund  (the  "Fund"). The  Fund  is  a
non-diversified  series of G.T.  Investment Funds (the  "Company"), a registered
open-end management investment company. On October 31, 1997, the Fund, which had
no previous operating history, acquired  the assets and assumed the  liabilities
of  G.T.  Global  Developing  Markets Fund,  Inc.  (the  "Predecessor  Fund"), a
closed-end investment company. This  Statement of Additional Information,  which
is  not a  prospectus, supplements  and should be  read in  conjunction with the
Fund's current Class  A and Class  B Prospectus dated  June 1, 1998,  a copy  of
which  is available without charge by writing to the above address or by calling
the Fund at the toll-free telephone number listed above.
    
 
   
A  I  M  Advisers,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator   for,   and   [Chancellor  GT   Asset   Management,   Inc.]  (the
"Sub-adviser") serves as  the investment sub-adviser  and sub-administrator  for
the Fund. The distributor of the Fund's shares is A I M Distributors, Inc. ("AIM
Distributors").  The Fund's transfer agent is  GT Global Investor Services, Inc.
("GT Services" or the "Transfer Agent").
    
 
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                               TABLE OF CONTENTS
 
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<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objectives and Policies.......................................................................................      2
Options, Futures and Currency Strategies.................................................................................      7
Risk Factors.............................................................................................................     15
Investment Limitations...................................................................................................     21
Execution of Portfolio Transactions......................................................................................     22
Trustees and Executive Officers..........................................................................................     25
Management...............................................................................................................     27
Valuation of Fund Shares.................................................................................................     28
Information Relating to Sales and Redemptions............................................................................     30
Taxes....................................................................................................................     35
Additional Information...................................................................................................     37
Investment Results.......................................................................................................     37
Description of Debt Ratings..............................................................................................     43
Financial Statements.....................................................................................................     45
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                           INVESTMENT OBJECTIVES AND
                                    POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVES
   
The  primary investment objective of the Fund is long-term capital appreciation.
Its secondary  investment objective  is income,  to the  extent consistent  with
seeking capital appreciation. The Fund normally invests substantially all of its
assets  in issuers  in the developing  (or "emerging") markets  of Asia, Europe,
Latin America and elsewhere. The Fund does not consider the following  countries
to  be emerging markets: Australia,  Austria, Belgium, Canada, Denmark, England,
Finland, France, Germany, Ireland, Italy,  Japan, the Netherlands, New  Zealand,
Norway,  Spain, Sweden, Switzerland and the  United States. In determining which
countries constitute  emerging markets,  the  Sub-adviser will  consider,  among
other  things,  data, analysis,  and  classification of  countries  published or
disseminated by  the  International  Bank  for  Reconstruction  and  Development
(commonly  known as  the World Bank)  and the  International Finance Corporation
("IFC").
    
 
SELECTION OF EQUITY INVESTMENTS
   
For investment  purposes, an  issuer is  typically considered  as located  in  a
particular  country  if it  (a) is  incorporated under  the laws  of or  has its
principal office in that country, or (b) it normally derives 50% or more of  its
total  revenue from  business in that  country. However, these  are not absolute
requirements, and certain  companies incorporated  in a  particular country  and
considered by the Sub-adviser to be located in that country may have substantial
off-shore  operations or subsidiaries and/or export  sales exceeding in size the
assets or sales in that country.
    
 
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries  and  geographic  regions  for the  Fund,  the  Sub-adviser ordinarily
considers the following  factors: prospects for  relative economic growth  among
the  different  countries  in which  the  Fund  may invest;  expected  levels of
inflation; government policies influencing business conditions; the outlook  for
currency relationships; and the range of the individual investment opportunities
available to international investors.
    
 
   
In  analyzing  companies in  emerging markets  for investment  by the  Fund, the
Sub-adviser ordinarily looks for one  or more of the following  characteristics:
an  above-average earnings  growth per share;  high return  on invested capital;
healthy balance  sheet;  sound financial  and  accounting policies  and  overall
financial  strength;  strong  competitive  advantages;  effective  research  and
product development  and  marketing;  efficient  service;  pricing  flexibility;
strength  of management; and general operating characteristics which will enable
the companies  to  compete successfully  in  their respective  marketplaces.  In
certain countries, governmental restrictions and other limitations on investment
may  affect the maximum percentage of equity ownership in any one company by the
Fund. In addition, in some instances  only special classes of securities may  be
purchased by foreigners and the market prices, liquidity and rights with respect
to those securities may vary from shares owned by nationals.
    
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
The Fund may be prohibited under the Investment Company Act of 1940, as  amended
("1940 Act"), from purchasing the securities of any foreign company that, in its
most  recent  fiscal year,  derived more  than  15% of  its gross  revenues from
securities-related activities ("securities-related companies").  In a number  of
countries,   commercial  banks  act  as  securities  broker/dealers,  investment
advisers and underwriters or otherwise engage in securities-related  activities,
which  may limit the Fund's ability to hold securities issued by such banks. The
Fund has  obtained an  exemption  from the  Securities and  Exchange  Commission
("SEC") to permit it to invest in certain of these securities subject to certain
restrictions.
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
The  Fund  may  invest  in the  securities  of  investment  companies (including
investment vehicles or companies  advised by the  Sub-adviser or its  affiliates
("Affiliated  Funds"))  within the  limits of  the  1940 Act.  These limitations
currently provide
    
 
                   Statement of Additional Information Page 2
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
that, in  general, the  Fund  may purchase  shares  of a  closed-end  investment
company  unless (a) such a purchase would cause the Fund to own in the aggregate
more than 3  percent of  the total outstanding  voting stock  of the  investment
company  or (b) such a purchase would cause the Fund to have more than 5 percent
of its total assets invested in the  investment company or more than 10  percent
of  its total assets invested in an  aggregate of all such investment companies.
Investment in  such  investment  companies  may  also  involve  the  payment  of
substantial  premiums above the  value of such  companies' portfolio securities.
The Fund does not intend to invest  in such investment companies unless, in  the
judgment  of the Sub-adviser, the potential benefits of such investments justify
the payment of any  applicable premiums. The return  on such securities will  be
reduced  by  operating  expenses of  such  companies including  payments  to the
investment managers of those investment  companies. With respect to  investments
in  Affiliated Funds, the Sub-adviser waives its advisory fee to the extent that
such fees are based on assets of the Fund invested in Affiliated Funds.
    
 
DEPOSITORY RECEIPTS
The Fund may hold equity securities of  foreign issuers in the form of  American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs"), or other
securities convertible into securities of eligible issuers. These securities may
not necessarily be denominated in the same currency as the securities for  which
they may be exchanged. ADRs and ADSs typically are issued by an American bank or
trust  company  and  evidence ownership  of  underlying securities  issued  by a
foreign corporation.  EDRs,  which  are sometimes  referred  to  as  Continental
Depository  Receipts ("CDRs"), are  issued in Europe  typically by foreign banks
and trust  companies  and  evidence  ownership of  either  foreign  or  domestic
securities.  GDRs  are similar  to  EDRs and  are  designed for  use  in several
international financial markets. Generally, ADRs and ADSs in registered form are
designed for use in United States securities markets and EDRs in bearer form are
designed for use  in European  securities markets.  For purposes  of the  Fund's
investment policies, the Fund's investments in ADRs, ADSs, GDRs and EDRs will be
deemed  to be  investments in the  equity securities  representing securities of
foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass-through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally  the same manner as unsponsored  facilities,
except  that  the  issuer of  the  deposited  securities enters  into  a deposit
agreement with the  depository. The deposit  agreement sets out  the rights  and
responsibilities  of  the  issuer,  the depository  and  the  ADR  holders. With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository), although ADR holders continue to bear certain other costs (such  as
deposit  and withdrawal fees).  Under the terms  of most sponsored arrangements,
depositories agree  to distribute  notices of  shareholder meetings  and  voting
instructions, and to provide shareholder communications and other information to
the  ADR holders at the  request of the issuer  of the deposited securities. The
Fund may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants or  rights  may  be acquired  by  the  Fund in  connection  with  other
securities  or separately and provide  the Fund with the  right to purchase at a
later date other securities of  the issuer. Warrants are securities  permitting,
but   not  obligating,  their  holder  to  subscribe  for  other  securities  or
commodities. Warrants do not  carry with them the  right to dividends or  voting
rights  with  respect  to  the  securities that  they  entitle  their  holder to
purchase, and they do not represent any rights in the assets of the issuer. As a
result, warrants may be considered more speculative than certain other types  of
investments.  In addition,  the value of  a warrant does  not necessarily change
with the value of the underlying securities  and a warrant ceases to have  value
if it is not exercised prior to its expiration date.
 
LENDING OF PORTFOLIO SECURITIES
For  the purpose of realizing additional income, the Fund may make secured loans
of portfolio securities  amounting to  not more than  30% of  its total  assets.
Securities  loans are made to broker/dealers or institutional investors pursuant
to agreements requiring that the loans continuously be secured by collateral  at
least  equal at all times  to the value of the  securities lent plus any accrued
interest, "marked  to market"  on a  daily basis.  The Fund  may pay  reasonable
administrative  and custodial fees  in connection with  loans of its securities.
While  the   securities   loan   is  outstanding,   the   Fund   will   continue
 
                   Statement of Additional Information Page 3
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
to receive the equivalent of the interest or dividends paid by the issuer on the
securities,  as well as  interest on the  investment of the  collateral or a fee
from the borrower. The Fund will have a  right to call each loan and obtain  the
securities within the stated settlement period. The Fund will not have the right
to  vote equity securities  while they are  lent, but it  may call in  a loan in
anticipation of any important vote. Loans will  be made only to firms deemed  by
the  Sub-adviser to  be of  good standing and  will not  be made  unless, in the
judgment of the  Sub-adviser, the  consideration to  be earned  from such  loans
would justify the risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For  the  purposes  of  the  Fund's investment  policies  with  respect  to bank
obligations, obligations of foreign branches of U.S. banks and of foreign  banks
are obligations of the issuing bank and may be general obligations of the parent
bank.  Such obligations,  however, may  be limited  by the  terms of  a specific
obligation  and  by  government  regulation.  As  with  investment  in  non-U.S.
securities  in general,  investments in the  obligations of  foreign branches of
U.S. banks and of foreign  banks may subject the  Fund to investment risks  that
are  different  in some  respects from  those of  investments in  obligations of
domestic issuers. Although  the Fund typically  will acquire obligations  issued
and  supported by the credit of U.S. or foreign banks having total assets at the
time of purchase  in excess  of $1  billion, this $1  billion figure  is not  an
investment  policy or restriction  of the Fund. For  the purposes of calculation
with respect to the $1  billion figure, the assets of  a bank will be deemed  to
include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A  repurchase agreement is a transaction in  which the Fund purchases a security
from a bank or recognized securities dealer and simultaneously commits to resell
that security to the bank  or dealer at an agreed  upon price, date, and  market
rate  of interest  unrelated to  the coupon  rate or  maturity of  the purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to the repurchase  agreement becomes bankrupt,  the Fund intends  to enter  into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present  minimum credit risks  in accordance with  guidelines established by the
Company's Board  of  Trustees.  The  Sub-adviser will  review  and  monitor  the
creditworthiness of such institutions under the Board's general supervision.
    
 
The  Fund will invest only in  repurchase agreements collateralized at all times
in an amount at least  equal to the repurchase  price plus accrued interest.  To
the  extent that the proceeds from any sale of such collateral upon a default in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer a loss.  If the financial  institution which is  party to the  repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other  liquidation proceedings, there may be  restrictions on the Fund's ability
to sell the collateral and the Fund  could suffer a loss. However, with  respect
to  financial  institutions  whose  bankruptcy  or  liquidation  proceedings are
subject to the U.S. Bankruptcy Code, the Fund intends to comply with  provisions
under  the U.S. Bankruptcy  Code that would  allow it immediately  to resell the
collateral. There is no limitation on the  amount of the Fund's assets that  may
be  subject to repurchase agreements at any  given time. The Fund will not enter
into a repurchase agreement  with a maturity  of more than seven  days if, as  a
result,  more than 15% of the value of  its net assets would be invested in such
repurchase agreements and other illiquid investments.
 
BORROWING AND REVERSE REPURCHASE AGREEMENTS
The Fund's borrowings will not exceed 33 1/3% of the Fund's total assets,  i.e.,
the  Fund's total assets at all times will  equal at least 300% of the amount of
outstanding borrowings.  If  market fluctuations  in  the value  of  the  Fund's
portfolio  holdings or other factors cause the  ratio of the Fund's total assets
to outstanding  borrowings to  fall  below 300%,  within three  days  (excluding
Sundays  and holidays) of such event the  Fund may be required to sell portfolio
securities to restore the  300% asset coverage, even  though from an  investment
standpoint  such sales might be disadvantageous. The  Fund also may borrow up to
5% of its total assets  for temporary or emergency  purposes other than to  meet
redemptions.  Any borrowing  by the  Fund may  cause greater  fluctuation in the
value of its shares than would be the case if the Fund did not borrow.
 
   
The Fund's fundamental investment  limitations permit the  Fund to borrow  money
for leveraging purposes. The Fund, however, currently is prohibited, pursuant to
a  non-fundamental investment policy, from borrowing  money in order to purchase
securities. Nevertheless, this policy may be changed in the future by a vote  of
a  majority of the Company's Board of  Trustees. If the Fund employs leverage in
the future, it  would be subject  to certain additional  risks. Use of  leverage
creates  an opportunity for  greater growth of capital  but would exaggerate any
increases or decreases in the Fund's net asset value. When the income and  gains
on securities purchased with the proceeds of borrowings exceed the costs of such
borrowings,  the Fund's  earnings or net  asset value will  increase faster than
otherwise would be the case; conversely, if such income and gains fail to exceed
such costs, the  Fund's earnings or  net asset value  would decline faster  than
would otherwise be the case.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
The  Fund may  enter into  reverse repurchase  agreements. A  reverse repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security to another party, such as a  bank or broker/dealer in return for  cash,
and  agrees to repurchase  the security in  the future at  an agreed upon price,
which includes an interest component. The Fund will segregate with a  custodian,
cash or liquid securities in an amount sufficient to cover its obligations under
reverse  repurchase agreements  with broker/dealers. No  segregation is required
for reverse repurchase agreements with banks.
    
 
SHORT SALES
The Fund  may  make  short sales  of  securities,  although it  has  no  current
intention  of doing so. A short sale is  a transaction in which the Fund sells a
security in anticipation that  the market price of  that security will  decline.
The  Fund may  make short  sales (i) as  a form  of hedging  to offset potential
declines in long positions in securities it owns, or anticipates acquiring,  and
(ii)  in order to maintain  portfolio flexibility. The Fund  may only make short
sales "against the box." In this type of short sale, at the time of the sale the
Fund owns the security it has sold short or has the immediate and  unconditional
right to acquire the identical security at no additional cost.
 
In a short sale, the seller does not immediately deliver the securities sold and
does  not receive the proceeds from the sale. To make delivery to the purchaser,
the executing broker borrows  the securities being sold  short on behalf of  the
seller. The seller is said to have a short position in the securities sold until
it  delivers the securities sold, at which  time it receives the proceeds of the
sale. To secure its obligation to  deliver securities sold short, the Fund  will
deposit  in  a  separate account  with  its  custodian an  equal  amount  of the
securities sold short or  securities convertible into  or exchangeable for  such
securities  at no cost. The Fund could  close out a short position by purchasing
and delivering an  equal amount  of the securities  sold short,  rather than  by
delivering  securities already held by the Fund,  because the Fund might want to
continue to  receive  interest  and  dividend  payments  on  securities  in  its
portfolio that are convertible into the securities sold short.
 
   
The  Fund might make  a short sale "against  the box" in  order to hedge against
market risks when  the Sub-adviser  believes that the  price of  a security  may
decline,  causing a decline  in the value of  a security owned by  the Fund or a
security convertible into or exchangeable for  such security. In such case,  any
future  losses in the  Fund's long position should  be reduced by  a gain in the
short position. Conversely, any gain in the long position should be reduced by a
loss in the short position. The extent to which such gains or losses in the long
position are reduced will  depend upon the amount  of the securities sold  short
relative  to the  amount of  the securities  the Fund  owns, either  directly or
indirectly, and, in the case where the Fund owns convertible securities, changes
in the investment values or conversion  premiums of such securities. There  will
be certain additional transaction costs associated with short sales "against the
box,"  but the  Fund will endeavor  to offset  these costs with  income from the
investment of the cash proceeds of short sales.
    
 
YANKEE BONDS
The Fund may invest in U.S.  dollar-denominated bonds sold in the United  States
by  non-U.S.  issuers ("Yankee  bonds"). As  compared with  bonds issued  in the
United States, such bond  issues normally carry a  higher interest rate but  are
less actively traded.
 
TEMPORARY DEFENSIVE STRATEGIES
The  Fund may invest in  the following types of  money market instruments (i.e.,
debt instruments with less than 12 months remaining until maturity)  denominated
in U.S. dollars or other currencies: (a) obligations issued or guaranteed by the
U.S.    or   foreign   governments,   their   agencies,   instrumentalities   or
municipalities; (b)  obligations  of  international  organizations  designed  or
supported   by  multiple  foreign  governmental  entities  to  promote  economic
reconstruction  or  development;  (c)  finance  company  obligations,  corporate
commercial   paper  and  other  short-term   commercial  obligations;  (d)  bank
obligations (including certificates of  deposit, time deposits, demand  deposits
and  bankers'  acceptances);  (e)  repurchase  agreements  with  respect  to the
foregoing; and (f) other substantially  similar short-term debt securities  with
comparable characteristics.
 
The  Fund may  invest in  commercial paper  rated as  low as  A-3 by  Standard &
Poor's, a division of The McGraw-Hill Companies, Inc. ("S&P") or P-3 by  Moody's
Investors  Service, Inc. ("Moody's") or, if not rated, determined by the Manager
to be of comparable quality. Obligations rated A-3 and P-3 are considered by S&P
and Moody's, respectively, to have an acceptable capacity for timely  repayment.
However,  these securities may be more  vulnerable to adverse effects of changes
in circumstances than obligations carrying higher designations.
 
PREMIUM SECURITIES
The Fund  may invest  in  income securities  bearing  coupon rates  higher  than
prevailing  market rates. Such  "premium" securities are  typically purchased at
prices greater than the principal amounts payable on maturity. The Fund will not
amortize the premium paid for such securities in calculating its net  investment
income. As a result, in such cases the
 
                   Statement of Additional Information Page 5
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
purchase  of  such securities  provides the  Fund a  higher level  of investment
income distributable  to  shareholders on  a  current  basis than  if  the  Fund
purchased  securities bearing  current market  rates of  interest. If securities
purchased by the Fund  at a premium  are called or sold  prior to maturity,  the
Fund  will realize a loss to the extent the  call or sale price is less than the
purchase price. Additionally,  the Fund  will realize a  loss if  it holds  such
securities to maturity.
 
INDEXED DEBT SECURITIES
The  Fund  may invest  in debt  securities  issued by  banks and  other business
entities not located in developing market countries that are indexed to  certain
specific  foreign  currency exchange  rates, interest  rates or  other reference
rates. The  terms of  such securities  provide that  their principal  amount  is
adjusted  upwards or  downwards (but ordinarily  not below zero)  at maturity to
reflect changes in  the exchange rate  between two currencies  (or other  rates)
while the obligations are outstanding. While such securities offer the potential
for  an  attractive  rate  of return,  they  also  entail the  risk  of  loss of
principal. New forms of such securities  continue to be developed. The Fund  may
invest  in  such  securities  to  the  extent  consistent  with  its  investment
objectives.
 
STRUCTURED INVESTMENTS
The Fund may invest a portion of  its assets in interests in entities  organized
and   operated  solely   for  the   purpose  of   restructuring  the  investment
characteristics of  Sovereign  Debt. This  type  of restructuring  involves  the
deposit  with  or purchase  by an  entity, such  as a  corporation or  trust, of
specified instruments (such  as commercial bank  loans or Brady  Bonds) and  the
issuance  by  that entity  of  one or  more  classes of  securities ("Structured
Investments")  backed  by,   or  representing  interests   in,  the   underlying
instruments.  The cash  flow on  the underlying  instruments may  be apportioned
among  the  newly  issued  Structured  Investments  to  create  securities  with
different   investment  characteristics  such  as  varying  maturities,  payment
priorities and interest  rate provisions, and  the extent of  the payments  made
with  respect to Structured Investments  is dependent on the  extent of the cash
flow on the underlying instruments.  Because Structured Investments of the  type
in  which  the  Fund anticipates  it  will  invest typically  involve  no credit
enhancement, their  credit risk  generally will  be equivalent  to that  of  the
underlying instruments.
 
The  Fund is permitted  to invest in  a class of  Structured Investments that is
either subordinated  or not  subordinated to  the right  of payment  of  another
class.  Subordinated  Structured Investments  typically  have higher  yields and
present greater risks than unsubordinated Structured Investments.
 
Certain issuers  of  Structured Investments  may  be deemed  to  be  "investment
companies"  as defined in  the 1940 Act.  As a result,  the Fund's investment in
these Structured Investments may be limited by the restrictions contained in the
1940  Act  described  above  under   "Investment  Objectives  and  Policies   --
Investments in Other Investment Companies." Structured Investments are typically
sold in private placement transactions, and there currently is no active trading
market for Structured Investments.
 
STRIPPED INCOME SECURITIES
Stripped  income securities are obligations representing an interest in all or a
portion of  the income  or  principal components  of  an underlying  or  related
security,  a pool of securities  or other assets. In  the most extreme case, one
class will receive all of the interest (the interest only or "IO" class),  while
the  other class will receive  all of the principal  (the principal-only or "PO"
class). The market values of stripped income securities tend to be more volatile
in  response  to  changes  in  interest  rates  than  are  conventional   income
securities.
 
FLOATING AND VARIABLE RATE INCOME SECURITIES
Income securities may provide for floating or variable rate interest or dividend
payments.  The floating  or variable  rate may be  determined by  reference to a
known lending rate, such as a bank's  prime rate, a certificate of deposit  rate
or  the London Inter Bank  Offered Rate (LIBOR). Alternatively,  the rate may be
determined through  an auction  or remarketing  process. The  rate also  may  be
indexed  to  changes  in the  values  of  interest rate  or  securities indexes,
currency exchange rates or other commodities. The amount by which the rate  paid
on  an income security  may increase or  decrease may be  subject to periodic or
lifetime caps. Floating and variable  rate income securities include  securities
whose  rates  vary inversely  with  changes in  market  rates of  interest. Such
securities may also pay a rate of interest determined by applying a multiple  to
the  variable  rate. The  extent  of increases  and  decreases in  the  value of
securities whose rates vary inversely with  changes in market rates of  interest
generally  will  be larger  than comparable  changes  in the  value of  an equal
principal amount  of  a  fixed  rate security  having  similar  credit  quality,
redemption provisions and maturity.
 
SWAPS, CAPS, FLOORS AND COLLARS
The Fund may enter into interest rate, currency and index swaps and may purchase
or  sell related caps, floors and  collars and other derivative instruments. The
Fund expects to enter into these transactions primarily to preserve a return  or
spread  on  a particular  investment  or portion  of  its portfolio,  to protect
against currency fluctuations, as a technique for
 
                   Statement of Additional Information Page 6
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
managing the portfolio's  duration (I.E.,  the price sensitivity  to changes  in
interest  rates) or to protect  against any increase in  the price of securities
the Fund anticipates purchasing at a later  date. The Fund intends to use  these
transactions  as hedges and will not sell  interest rate caps, floors or collars
if it does not  own securities or other  instruments providing an income  stream
roughly equivalent to what the Fund may be obligated to pay.
 
Interest rate swaps involve the exchange by the Fund with another party of their
respective  commitments to pay or receive  interest (for example, an exchange of
floating rate  payments for  fixed rate  payments) with  respect to  a  notional
amount of principal. A currency swap is an agreement to exchange cash flows on a
notional amount based on changes in the values of the reference indices.
 
The  purchase of a cap entitles the  purchaser to receive payments on a notional
principal amount from the party selling the  cap to the extent that a  specified
index  exceeds a predetermined  interest rate. The purchase  of an interest rate
floor entitles the purchaser to receive payments on a notional principal  amount
from  the party  selling the floor  to the  extent that a  specified index falls
below a predetermined interest rate  or amount. A collar  is a combination of  a
cap  and a floor that preserves a certain return within a predetermined range of
interest rates or values.
 
- --------------------------------------------------------------------------------
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The use of options, futures  contracts and forward currency contracts  ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
        (1)  Successful  use  of  most of  these  instruments  depends  upon the
    Manager's ability  to  predict  movements  of  the  overall  securities  and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Manager is experienced in the
    use  of these  instruments, there  can be  no assurance  that any particular
    strategy adopted will succeed.
 
        (2) There  might  be  imperfect correlation,  or  even  no  correlation,
    between  price  movements  of  an  instrument  and  price  movements  of the
    investments being hedged. For example, if the value of an instrument used in
    a short hedge  increased by less  than the  decline in value  of the  hedged
    investment,  the  hedge  would  not  be fully  successful.  Such  a  lack of
    correlation might  occur  due to  factors  unrelated  to the  value  of  the
    investments  being hedged,  such as  speculative or  other pressures  on the
    markets in  which the  hedging instrument  is traded.  The effectiveness  of
    hedges  using hedging  instruments on indices  will depend on  the degree of
    correlation between price movements in the index and price movements in  the
    investments being hedged.
 
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or  partially offsetting the negative  effect of unfavorable price movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity for gain by  offsetting the positive  effect of favorable  price
    movements  in the hedged investments. For example,  if a Fund entered into a
    short hedge  because the  Manager projected  a  decline in  the price  of  a
    security  in the Fund's portfolio, and  the price of that security increased
    instead, the gain from that increase might by wholly or partially offset  by
    a  decline in the price of the hedging instrument. Moreover, if the price of
    the hedging instrument declined  by more than the  increase in the price  of
    the  security, the Fund could  suffer a loss. In  either such case, the Fund
    would have been in a better position had it not hedged at all.
 
        (4) As described below, the Fund might be required to maintain assets as
    "cover," maintain segregated accounts or make margin payments when it  takes
    positions  in  instruments  involving obligations  to  third  parties (i.e.,
    instruments other than purchased options). If the Fund were unable to  close
    out  its positions in such instruments, it  might be required to continue to
    maintain such assets or  accounts or make such  payments until the  position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a  disadvantageous time. The  Fund's ability to  close out a  position in an
    instrument prior to  expiration or maturity  depends on the  existence of  a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness of the other
 
                   Statement of Additional Information Page 7
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
    party  to  the  transaction ("contra  party")  to enter  into  a transaction
    closing out the position. Therefore, there is no assurance that any position
    can be closed out at a time and price that is favorable to the Fund.
 
WRITING CALL OPTIONS
The Fund may write  (sell) call options on  securities, indices and  currencies.
Call options generally will be written on securities and currencies that, in the
opinion  of the Manager  are not expected to  make any major  price moves in the
near future  but  that,  over  the  long  term,  are  deemed  to  be  attractive
investments for the Fund.
 
A  call option  gives the  holder (buyer)  the right  to purchase  a security or
currency at a specified price (the  exercise price) at any time until  (American
Style)  or on (European Style) a certain  date (the expiration date). So long as
the obligation of the writer of a  call option continues, he may be assigned  an
exercise  notice, requiring him  to deliver the  underlying security or currency
against payment  of the  exercise  price. This  obligation terminates  upon  the
expiration  of the call option, or such earlier time at which the writer effects
a closing  purchase  transaction  by  purchasing an  option  identical  to  that
previously sold.
 
Portfolio  securities or currencies on which call options may be written will be
purchased solely on the basis  of investment considerations consistent with  the
Fund's investment objective. When writing a call option, the Fund, in return for
the  premium, gives up the  opportunity for profit from  a price increase in the
underlying security or currency above the  exercise price, and retains the  risk
of  loss should the  price of the  security or currency  decline. Unlike one who
owns securities or currencies not subject to an option, the Fund has no  control
over  when it may be  required to sell the  underlying securities or currencies,
since most  options  may  be  exercised  at  any  time  prior  to  the  option's
expiration.  If a call option  that the Fund has  written expires, the Fund will
realize a gain in the amount of the premium; however, such gain may be offset by
a decline in the market value of the underlying security or currency during  the
option  period. If the call option is exercised, the Fund will realize a gain or
loss from  the  sale of  the  underlying security  or  currency, which  will  be
increased  or  offset by  the premium  received.  The Fund  does not  consider a
security or currency covered by  a call option to be  "pledged" as that term  is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing  call options can serve as a limited short hedge because declines in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
appreciates to a price higher than the exercise price of the call option, it can
be expected that the option will be exercised and the Fund will be obligated  to
sell the security or currency at less than its market value.
 
The  premium  that the  Fund receives  for writing  a call  option is  deemed to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of the underlying  investment, the relationship  of the exercise  price to  such
market  price, the historical price volatility of the underlying investment, and
the length of the option period. In determining whether a particular call option
should  be  written,  the  Manager  will  consider  the  reasonableness  of  the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
 
Closing  transactions  will be  effected  in order  to  realize a  profit  on an
outstanding call  option, to  prevent an  underlying security  or currency  from
being  called, or  to permit  the sale of  the underlying  security or currency.
Furthermore, effecting  a closing  transaction  will permit  the Fund  to  write
another  call  option  on the  underlying  security  or currency  with  either a
different exercise price, expiration date or both.
 
The Fund will pay  transaction costs in connection  with the writing of  options
and  in entering into closing purchase  contracts. Transaction costs relating to
options activity  normally are  higher than  those applicable  to purchases  and
sales of portfolio securities.
 
The  exercise price of the  options may be below, equal  to or above the current
market values of the underlying securities or currencies at the time the options
are written. From time to time, the Fund may purchase an underlying security  or
currency  for delivery in accordance with the exercise of an option, rather than
delivering such  security  or  currency  from  its  portfolio.  In  such  cases,
additional costs will be incurred.
 
The  Fund will realize a  profit or loss from  a closing purchase transaction if
the cost of  the transaction  is less or  more, respectively,  than the  premium
received  from writing the  option. Because increases  in the market  price of a
call option  generally  will  reflect  increases in  the  market  price  of  the
underlying  security or  currency, any loss  resulting from the  repurchase of a
call option is likely to  be offset in whole or  in part by appreciation of  the
underlying security or currency owned by the Fund.
 
                   Statement of Additional Information Page 8
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
WRITING PUT OPTIONS
The  Fund may  write put  options on securities,  indices and  currencies. A put
option gives the  purchaser of  the option  the right  to sell,  and the  writer
(seller)  the  obligation to  buy, the  underlying security  or currency  at the
exercise price at  any time until  (American style) or  on (European style)  the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is substantially identical to that of call options.
 
   
The   Fund  generally  would  write  put  options  in  circumstances  where  the
Sub-adviser wishes  to purchase  the  underlying security  or currency  for  the
Fund's  portfolio at a price lower than the current market price of the security
or currency. In such  event, the Fund  would write a put  option at an  exercise
price  that, reduced by the  premium received on the  option, reflects the lower
price it is willing to pay. Since  the Fund also would receive interest on  debt
securities  or currencies maintained to cover  the exercise price of the option,
this technique could be used to enhance current return during periods of  market
uncertainty.  The risk in such  a transaction would be  that the market price of
the underlying security or currency would decline below the exercise price  less
the premium received.
    
 
Writing  put options can serve as a  limited long hedge because increases in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
depreciates to a price lower than the  exercise price of the put option, it  can
be expected that the put option will be exercised and the Fund will be obligated
to purchase the security or currency at greater than its market value.
 
PURCHASING PUT OPTIONS
The  Fund may purchase put options on securities, indices and currencies. As the
holder of a put option, the Fund  has the right to sell the underlying  security
or  currency at  the exercise  price at  any time  until (American  style) or on
(European style)  the expiration  date. The  Fund may  enter into  closing  sale
transactions  with  respect to  such options,  exercise them  or permit  them to
expire.
 
The Fund  may  purchase a  put  option on  an  underlying security  or  currency
("protective  put") owned by the Fund in order to protect against an anticipated
decline in  the value  of the  security or  currency. Such  hedge protection  is
provided  only during the life of the put option when the Fund, as the holder of
the put option, is able to sell  the underlying security or currency at the  put
exercise  price regardless  of any decline  in the  underlying security's market
price or currency's exchange value. The premium paid for the put option and  any
transaction  costs would reduce any  profit otherwise available for distribution
when the security or currency is eventually sold.
 
The Fund also may purchase put options at a time when the Fund does not own  the
underlying  security or  currency. By  purchasing put  options on  a security or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it has remaining value, and  if the market price  of the underlying security  or
currency  remains equal to or greater than the exercise price during the life of
the put option, the Fund will lose  its entire investment in the put option.  In
order for the purchase of a put option to be profitable, the market price of the
underlying  security or  currency must  decline sufficiently  below the exercise
price to cover the premium and transaction costs, unless the put option is  sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options on securities, indices and currencies. As the
holder  of  a  call  option, the  Fund  would  have the  right  to  purchase the
underlying security  or  currency  at  the exercise  price  at  any  time  until
(American  style) or on (European style) the expiration date. The Fund may enter
into closing sale transactions  with respect to such  options, exercise them  or
permit them to expire.
 
Call  options may  be purchased  by the  Fund for  the purpose  of acquiring the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase of  call options  would enable  the  Fund to  acquire the  security  or
currency  at the  exercise price of  the call  option plus the  premium paid. At
times, the net cost of acquiring the security or currency in this manner may  be
less  than  the  cost  of  acquiring the  security  or  currency  directly. This
technique also  may  be useful  to  the Fund  in  purchasing a  large  block  of
securities  that would be more difficult  to acquire by direct market purchases.
So long as it holds such a  call option, rather than the underlying security  or
currency  itself, the Fund is partially protected from any unexpected decline in
the market price  of the  underlying security or  currency and,  in such  event,
could  allow the call option  to expire, incurring a loss  only to the extent of
the premium paid for the option.
 
The Fund also may purchase call  options on underlying securities or  currencies
it  owns  to avoid  realizing losses  that would  result in  a reduction  of its
current return. For  example, where the  Fund has  written a call  option on  an
underlying security or currency having a current market value below the price at
which  it purchased the  security or currency,  an increase in  the market price
could result in  the exercise of  the call option  written by the  Fund and  the
realization  of a loss on the  underlying security or currency. Accordingly, the
Fund  could  purchase  a  call  option  on  the  same  underlying  security   or
 
                   Statement of Additional Information Page 9
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
currency,  which could be  exercised to fulfill  the Fund's delivery obligations
under its written call (if it is exercised). This strategy could allow the  Fund
to  avoid selling the  portfolio security or currency  at a time  when it has an
unrealized loss; however, the Fund would have  to pay a premium to purchase  the
call option plus transaction costs.
 
Aggregate  premiums paid  for put  and call  options will  not exceed  5% of the
Fund's total assets at the time of purchase.
 
The Fund may attempt to accomplish objectives similar to those involved in using
Forward Contracts by purchasing put or call options on currencies. A put  option
gives  the  Fund as  purchaser  the right  (but not  the  obligation) to  sell a
specified amount of currency at the  exercise price at any time until  (American
style)  or on (European style) the expiration date. A call option gives the Fund
as purchaser the right (but not  the obligation) to purchase a specified  amount
of  currency at  the exercise  price at  any time  until (American  style) or an
(European style) the  expiration date. The  Fund might purchase  a currency  put
option,  for example, to protect itself against a decline in the dollar value of
a currency  in  which  it  holds  or  anticipates  holding  securities.  If  the
currency's  value should decline against the  dollar, the loss in currency value
should be offset, in whole or in part,  by an increase in the value of the  put.
If the value of the currency instead should rise against the dollar, any gain to
the  Fund would  be reduced by  the premium  it had paid  for the  put option. A
currency call option might be purchased, for example, in anticipation of, or  to
protect  against, a rise in the value against  the dollar of a currency in which
the Fund anticipates purchasing securities.
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates.  The Fund will not  purchase an OTC option  unless it believes that daily
valuations for  such options  are readily  obtainable. OTC  options differ  from
exchange-traded options in that OTC options are transacted with dealers directly
and   not  through  a  clearing   corporation  (which  guarantees  performance).
Consequently, there  is  a risk  of  non-performance  by the  dealer.  Since  no
exchange  is involved, OTC options are valued on  the basis of an average of the
last bid prices obtained from dealers,  unless a quotation from only one  dealer
is  available, in which case only that dealer's  price will be used. In the case
of OTC options, there can  be no assurance that  a liquid secondary market  will
exist for any particular option at any specific time.
 
The  staff of the SEC considers purchased OTC options to be illiquid securities.
The Fund  may also  sell OTC  options and,  in connection  therewith,  segregate
assets or cover its obligations with respect to OTC options written by the Fund.
The  assets used as cover for OTC options written by the Fund will be considered
illiquid unless the OTC options are sold to qualified dealers who agree that the
Fund may repurchase any OTC option it writes at a maximum price to be calculated
by a formula  set forth in  the option agreement.  The cover for  an OTC  option
written  subject  to this  procedure would  be considered  illiquid only  to the
extent that the maximum repurchase price under the formula exceeds the intrinsic
value of the option.
 
The Fund's  ability to  establish  and close  out positions  in  exchange-listed
options  depends  on the  existence  of a  liquid  market. The  Fund  intends to
purchase or write only those exchange-traded options for which there appears  to
be  a liquid secondary  market. However, there  can be no  assurance that such a
market will exist at any particular  time. Closing transactions can be made  for
OTC  options  only  by  negotiating  directly with  the  contra  party  or  by a
transaction in the secondary market if any such market exists. Although the Fund
will enter into OTC  options only with  contra parties that  are expected to  be
capable  of  entering  into closing  transactions  with  the Fund,  there  is no
assurance that the Fund will in fact be able to close out an OTC option position
at a favorable  price prior to  expiration. In  the event of  insolvency of  the
contra  party, the Fund might  be unable to close out  an OTC option position at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in individual securities or futures contracts. When the Fund writes a call on an
index,  it receives a premium and agrees that, prior to the expiration date, the
purchaser of the call, upon exercise of the call, will receive from the Fund  an
amount of cash if the closing level of the index upon which the call is based is
greater  than the exercise price of the call. The amount of cash is equal to the
difference between the closing price of the index and the exercise price of  the
call  times a specified multiple (the  "multiplier"), which determines the total
dollar value for each point of such difference. When the Fund buys a call on  an
index, it pays a premium and has the same
rights  as to such call as  are indicated above. When the  Fund buys a put on an
index, it pays a  premium and has  the right, prior to  the expiration date,  to
require  the seller of the put, upon the  Fund's exercise of the put, to deliver
to the Fund an amount of cash if  the closing level of the index upon which  the
put is based is less than the exercise price of the put, which amount of cash is
determined by the multiplier, as described above for calls. When the Fund writes
a put on an index, it
 
                  Statement of Additional Information Page 10
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
receives  a premium  and the  purchaser has the  right, prior  to the expiration
date, to require  the Fund  to deliver  to it  an amount  of cash  equal to  the
difference  between the closing level of the  index and the exercise price times
the multiplier, if the closing level is less than the exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities.  Because index options are  settled in cash, when  the Fund writes a
call on  an index  it cannot  provide in  advance for  its potential  settlement
obligations  by acquiring  and holding the  underlying securities.  The Fund can
offset some of the  risk of writing  a call index option  position by holding  a
diversified  portfolio of  securities similar to  those on  which the underlying
index is based.  However, the Fund  cannot, as a  practical matter, acquire  and
hold  a portfolio containing  exactly the same securities  as underlie the index
and, as a result, bears a risk that  the value of the securities held will  vary
from the value of the index.
 
Even  if the Fund could assemble  a securities portfolio that exactly reproduced
the composition of  the underlying index,  it still would  not be fully  covered
from  a risk standpoint because  of the "timing risk"  inherent in writing index
options. When an index option is exercised,  the amount of cash that the  holder
is  entitled to  receive is  determined by  the difference  between the exercise
price and the closing index level on  the date when the option is exercised.  As
with  other kinds of options, the Fund as  the call writer will not know that it
has been assigned  until the next  business day  at the earliest.  The time  lag
between  exercise and  notice of assignment  poses no  risk for the  writer of a
covered call on a  specific underlying security, such  as common stock,  because
there  the writer's obligation is to deliver the underlying security, not to pay
its value as of a fixed time in the past. So long as the writer already owns the
underlying security,  it  can  satisfy  its  settlement  obligations  by  simply
delivering  it, and the risk that its value may have declined since the exercise
date is borne by the  exercising holder. In contrast, even  if the writer of  an
index call holds securities that exactly match the composition of the underlying
index,  it will not be able to  satisfy its assignment obligations by delivering
those securities against  payment of  the exercise  price. Instead,  it will  be
required  to pay  cash in  an amount  based on  the closing  index value  on the
exercise date; and by the  time it learns that it  has been assigned, the  index
may  have declined, with a corresponding decline  in the value of its securities
portfolio. This "timing risk" is an inherent limitation on the ability of  index
call writers to cover their risk exposure by holding securities positions.
 
If  the Fund purchases an index option and exercises it before the closing index
value for  that day  is  available, it  runs  the risk  that  the level  of  the
underlying  index may subsequently change. If such a change causes the exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between the closing index value and the exercise price of the option (times  the
applicable multiplier) to the assigned writer.
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
The Fund may enter into interest rate, currency or stock index futures contracts
(collectively,  "Futures" or "Futures Contracts") as  a hedge against changes in
prevailing levels  of interest  rates, currency  exchange rates  or stock  price
levels, respectively, in order to establish more definitely the effective return
on  securities or currencies held  or intended to be  acquired by it. The Fund's
hedging may include sales of Futures as an offset against the effect of expected
increases in interest rates  and decreases in currency  exchange rates or  stock
prices,  and purchases of  Futures as an  offset against the  effect of expected
declines in interest rates,  and increases in currency  exchange rates or  stock
prices.
 
The  Fund only  will enter  into Futures  Contracts that  are traded  on futures
exchanges and  are standardized  as to  maturity date  and underlying  financial
instrument.  Futures  exchanges and  trading thereon  in  the United  States are
regulated under  the Commodity  Exchange Act  by the  Commodity Futures  Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used  to reduce the Fund's exposure to interest rate, currency exchange rate and
stock market  fluctuations, the  Fund may  be able  to hedge  its exposure  more
effectively and at a lower cost through using Futures Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of a specified amount of a specific financial instrument (security
or currency) for a specified price at a designated date, time and place. A stock
index Futures Contract provides for the delivery, at a designated date, time and
place, of  an amount  of  cash equal  to a  specified  dollar amount  times  the
difference between the stock index value at the close of trading on the contract
and  the price at which  the Futures Contract is  originally struck; no physical
delivery of stocks  comprising the index  is made. Brokerage  fees are  incurred
when  a  Futures  Contract  is  bought or  sold,  and  margin  deposits  must be
maintained at all times the Futures Contract is outstanding.
 
Although Futures Contracts typically require future delivery of and payment  for
financial  instruments or currencies,  Futures Contracts usually  are closed out
before the delivery date. Closing out an open Futures Contract sale or  purchase
is  effected by entering  into an offsetting Futures  Contract purchase or sale,
respectively, for the same aggregate amount of
 
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                       GT GLOBAL DEVELOPING MARKETS FUND
the identical financial instrument  or currency and the  same delivery date.  If
the  offsetting purchase price  is less than  the original sale  price, the Fund
realizes a gain; if  it is more,  the Fund realizes a  loss. Conversely, if  the
offsetting  sale  price  is more  than  the  original purchase  price,  the Fund
realizes a gain; if it is less, the Fund realizes a loss. The transaction  costs
also must be included in these calculations. There can be no assurance, however,
that  the Fund will be able to enter into an offsetting transaction with respect
to a particular Futures Contract at a  particular time. If the Fund is not  able
to  enter into an offsetting transaction, the  Fund will continue to be required
to maintain the margin deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from  the sale of one Futures Contract of September Deutschemarks on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of  another Futures  Contract of  September Deutschemarks  on the  same
exchange. In such instance the difference between the price at which the Futures
Contract  was  sold  and  the  price paid  for  the  offsetting  purchase, after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The Fund's Futures transactions will be entered into for hedging purposes  only;
that  is, Futures  Contracts will be  sold to  protect against a  decline in the
price of securities or currencies that the Fund owns, or Futures Contracts  will
be  purchased to protect the Fund against an increase in the price of securities
or currencies it has committed to purchase or expects to purchase.
 
"Margin" with respect to Futures Contracts is  the amount of funds that must  be
deposited  by the Fund in order to  initiate Futures trading and to maintain the
Fund's open  positions in  Futures Contracts.  A margin  deposit made  when  the
Futures  Contract is entered  into ("initial margin") is  intended to assure the
Fund's performance  under  the  Futures  Contract. The  margin  required  for  a
particular Futures Contract is set by the exchange on which the Futures Contract
is  traded, and may be modified significantly  from time to time by the exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through  which the Fund  entered into  the Futures Contract
will be made on a daily basis as the price of the underlying security,  currency
or index fluctuates making the Futures Contract more or less valuable, a process
known as marking-to-market.
 
    RISKS  OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts are
volatile and  are influenced,  among  other things,  by actual  and  anticipated
changes  in  interest rates  and currency  exchange rates,  and in  stock market
movements, which  in turn  are  affected by  fiscal  and monetary  policies  and
national and international political and economic events.
 
There  is a risk of  imperfect correlation between changes  in prices of Futures
Contracts and prices  of the securities  or currencies in  the Fund's  portfolio
being   hedged.  The  degree   of  imperfection  of   correlation  depends  upon
circumstances such as: variations in  speculative market demand for futures  and
for securities or currencies, including technical influences in Futures trading;
and   differences  between  the  financial  instruments  being  hedged  and  the
instruments underlying the standard Futures  Contracts available for trading.  A
decision  of whether, when,  and how to  hedge involves skill  and judgment, and
even a  well-conceived hedge  may  be unsuccessful  to  some degree  because  of
unexpected market behavior or interest or currency rate trends.
 
Because  of  the  low  margin deposits  required,  Futures  trading  involves an
extremely high  degree  of leverage.  As  a  result, a  relatively  small  price
movement  in a Futures Contract may result in immediate and substantial loss, as
well as gain, to the investor. For example,  if at the time of purchase, 10%  of
the  value of  the Futures  Contract is  deposited as  margin, a  subsequent 10%
decrease in the value of  the Futures Contract would result  in a total loss  of
the  margin  deposit, before  any deduction  for the  transaction costs,  if the
account were then closed  out. A 15%  decrease would result in  a loss equal  to
150%  of the original margin  deposit, if the Futures  Contract were closed out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily limit establishes the maximum amount that the price of a Futures  Contract
or option may vary either up or down from the previous day's settlement price at
the  end  of a  trading session.  Once the  daily  limit has  been reached  in a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a particular trading day and therefore does not limit potential losses,  because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and  option  prices  occasionally have  moved  to  the daily  limit  for several
consecutive trading days with  little or no  trading, thereby preventing  prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to  the absence of a liquid secondary  market or the imposition of price limits,
it could incur  substantial losses.  The Fund would  continue to  be subject  to
market
 
                  Statement of Additional Information Page 12
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
risk  with respect to the position. In addition, except in the case of purchased
options, the Fund would continue to  be required to make daily variation  margin
payments  and might  be required  to maintain the  position being  hedged by the
Future or option or to maintain cash or securities in a segregated account.
 
Certain characteristics  of the  Futures  market might  increase the  risk  that
movements  in the prices  of Futures Contracts  or options on  Futures might not
correlate perfectly  with  movements in  the  prices of  the  investments  being
hedged.  For example,  all participants  in the  Futures and  options on Futures
markets are subject to  daily variation margin calls  and might be compelled  to
liquidate  Futures  or  options on  Futures  positions whose  prices  are moving
unfavorably to avoid being  subject to further  calls. These liquidations  could
increase  price  volatility  of the  instruments  and distort  the  normal price
relationship between the Futures  or options and  the investments being  hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous  than  margin requirements  in the  securities  markets, there  might be
increased  participation   by  speculators   in   the  Futures   markets.   This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage, "program trading"  and other  investment strategies  might result  in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options  on Futures Contracts are similar to options on securities or currencies
except that options on Futures Contracts give the purchaser the right, in return
for the  premium paid,  to  assume a  position in  a  Futures Contract  (a  long
position if the option is a call and a short position if the option is a put) at
a  specified exercise price  at any time  during the period  of the option. Upon
exercise of the option, the  delivery of the Futures  position by the writer  of
the  option to the holder  of the option will be  accompanied by delivery of the
accumulated balance in the writer's Futures margin account, which represents the
amount by which the market price  of the Futures Contract, at exercise,  exceeds
(in  the case of  a call) or  is less than (in  the case of  a put) the exercise
price of the option on  the Futures Contract. If an  option is exercised on  the
last trading day prior to the expiration date of the option, the settlement will
be  made entirely in cash equal to  the difference between the exercise price of
the option and  the closing level  of the securities,  currencies or index  upon
which  the  Futures Contract  is  based on  the  expiration date.  Purchasers of
options who fail to exercise their options  prior to the exercise date suffer  a
loss of the premium paid.
 
The  purchase of  call options  on Futures can  serve as  a long  hedge, and the
purchase of put  options on Futures  can serve  as a short  hedge. Writing  call
options  on Futures can serve as a  limited short hedge, and writing put options
on Futures can serve as a limited  long hedge, using a strategy similar to  that
used for writing options on securities, foreign currencies or indices.
 
If  the Fund  writes an  option on a  Futures Contract,  it will  be required to
deposit initial and variation margin  pursuant to requirements similar to  those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The  Fund may seek to close out an option position by selling an option covering
the same Futures  Contract and  having the  same exercise  price and  expiration
date.  The  ability to  establish and  close  out positions  on such  options is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS  ON
CURRENCIES
   
To  the extent that the  Fund enters into Futures  Contracts, options on Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange,  in each case other than for BONA FIDE hedging purposes (as defined by
the CFTC), the aggregate initial margin and premiums required to establish those
positions (excluding the amount  by which options  are "in-the-money") will  not
exceed  5% of the liquidation  value of the Fund's  portfolio, after taking into
account unrealized profits and unrealized losses  on any contracts the Fund  has
entered   into.  In   general,  a   call  option   on  a   Futures  Contract  is
"in-the-money"if the  value  of  the underlying  Futures  Contract  exceeds  the
strike, i.e., exercise, price of the call; a put option on a Futures Contract is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund either may
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular   foreign  currency  forward,  for   example,  when  it  holds  bonds
denominated in a
 
                  Statement of Additional Information Page 13
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
foreign currency but anticipates, and seeks  to be protected against, a  decline
in the currency against the U.S. dollar. Similarly, the Fund might sell the U.S.
dollar  forward when it holds bonds denominated in U.S. dollars but anticipates,
and seeks to  be protected against,  a decline  in the U.S.  dollar relative  to
other  currencies. Further, the Fund might  purchase a currency forward to "lock
in" the price  of securities denominated  in that currency  that it  anticipates
purchasing.
 
   
Forward  Contracts are traded in the interbank market conducted directly between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement and no commissions are charged  at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S.  or foreign banks and securities or currency dealers in accordance with the
guidelines approved by the Company's Board of Trustees.
    
 
The Fund  may enter  into  Forward Contracts  either  with respect  to  specific
transactions  or with  respect to  the Fund's  portfolio positions.  The precise
matching of the Forward  Contract amounts and the  value of specific  securities
generally  will not be possible  because the future value  of such securities in
foreign currencies will change as a consequence of market movements in the value
of those securities between  the date the Forward  Contract is entered into  and
the  date it matures. Accordingly, it may  be necessary for the Fund to purchase
additional foreign  currency on  the  spot (I.E.,  cash)  market (and  bear  the
expense  of such purchase) if the market value  of the security is less than the
amount of foreign currency the Fund is obligated to deliver and if a decision is
made to sell the security and make delivery of the foreign currency. Conversely,
it may be necessary to sell on the spot market some of the foreign currency  the
Fund  is  obligated to  deliver. The  projection  of short-term  currency market
movements is extremely difficult, and  the successful execution of a  short-term
hedging  strategy is highly  uncertain. Forward Contracts  involve the risk that
anticipated currency movements  will not  be predicted  accurately, causing  the
Fund to sustain losses on these contracts and transaction costs.
 
At  or before the  maturity of a Forward  Contract requiring the  Fund to sell a
currency, the  Fund  either may  sell  a portfolio  security  and use  the  sale
proceeds  to make delivery of the currency or retain the security and offset its
contractual obligation to deliver the  currency by purchasing a second  contract
pursuant  to which  the Fund will  obtain, on  the same maturity  date, the same
amount of the currency that it is obligated to deliver. Similarly, the Fund  may
close  out a Forward Contract  requiring it to purchase  a specified currency by
entering into a  second contract, if  its contra party  agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund would  realize a gain  or loss as a  result of entering  into
such  an offsetting Forward Contract under either circumstance to the extent the
exchange rate  or  rates  between  the currencies  involved  moved  between  the
execution dates of the first contract and the offsetting contract.
 
The  cost to the Fund of engaging  in Forward Contracts varies with factors such
as the currencies  involved, the length  of the contract  period and the  market
conditions  then prevailing. Because Forward  Contracts usually are entered into
on a principal basis, no  fees or commissions are  involved. The use of  Forward
Contracts  does  not  eliminate fluctuations  in  the prices  of  the underlying
securities the Fund owns or intends to acquire, but it does establish a rate  of
exchange in advance. In addition, while Forward Contract sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The  Fund may use options on  foreign currencies, Futures on foreign currencies,
options on Futures on foreign currencies and Forward Contracts to hedge  against
movements in the values of the foreign currencies in which the Fund's securities
are  denominated. Such currency hedges can  protect against price movements in a
security that  the Fund  owns or  intends to  acquire that  are attributable  to
changes  in the value of the currency in which it is denominated. Such hedges do
not, however,  protect  against  price  movements in  the  securities  that  are
attributable to other causes.
 
   
The  Fund  might seek  to hedge  against changes  in the  value of  a particular
currency when no  Futures Contract,  Forward Contract or  option involving  that
currency  is available or one  of such contracts is  more expensive than certain
other contracts. In such  cases, the Fund may  hedge against price movements  in
that  currency by  entering into  a contract  on another  currency or  basket of
currencies, the values of  which the Sub-adviser believes  will have a  positive
correlation  to the value of the currency  being hedged. The risk that movements
in the price of the contract will not correlate perfectly with movements in  the
price of the currency being hedged is magnified when this strategy is used.
    
 
The value of Futures Contracts, options on Futures Contracts, Forward Contracts,
and  options  on  foreign currencies  depends  on  the value  of  the underlying
currency relative  to the  U.S. dollar.  Because foreign  currency  transactions
occurring  in the  interbank market  might involve  substantially larger amounts
than those  involved in  the  use of  Futures  Contracts, Forward  Contracts  or
options,  the  Fund could  be disadvantaged  by  dealing in  the odd  lot market
(generally
 
                  Statement of Additional Information Page 14
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
consisting of transactions of less than  $1 million) for the underlying  foreign
currencies at prices that are less favorable than for round lots.
 
There is no systematic reporting of last sale information for foreign currencies
or  any  regulatory requirements  that quotations  available through  dealers or
other market sources be firm or revised on a timely basis. Quotation information
generally is representative of very  large transactions in the interbank  market
and  thus  might not  reflect  odd-lot transactions  where  rates might  be less
favorable.  The   interbank  market   in  foreign   currencies  is   a   global,
round-the-clock  market. To the  extent the U.S. options  or Futures markets are
closed while the markets for the underlying currencies remain open,  significant
price  and rate movements might take place in the underlying markets that cannot
be reflected in  the markets  for the Futures  contracts or  options until  they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies  might  be required  to  take place  within  the country  issuing the
underlying currency. Thus, the Fund might be required to accept or make delivery
of the  underlying foreign  currency  in accordance  with  any U.S.  or  foreign
regulations  regarding the maintenance  of foreign banking  arrangements by U.S.
residents and might be  required to pay any  fees, taxes and charges  associated
with such delivery assessed in the issuing country.
 
COVER
Transactions  using Forward Contracts, Futures Contracts and options (other than
options purchased  by the  Fund) expose  the Fund  to an  obligation to  another
party.  The Fund will not enter into any such transactions unless it owns either
(1) an  offsetting  ("covered") position  in  securities, currencies,  or  other
options,  Forward Contracts or  Futures Contracts, or  (2) cash, receivables and
short-term debt securities  with a value  sufficient at all  times to cover  its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets  used as cover or  held in a segregated account  cannot be sold while the
position in the corresponding  Forward Contract, Futures  Contract or option  is
open, unless they are replaced with other appropriate assets. If a large portion
of  the Fund's assets are used for cover or otherwise set aside, it could affect
portfolio management or the Fund's ability to meet redemption requests or  other
current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The  Fund  may  invest up  to  15% of  its  net assets  in  illiquid securities.
Securities may  be considered  illiquid  if the  Fund cannot  reasonably  expect
within seven days to sell the security for approximately the amount at which the
Fund  values such securities.  The sale of  illiquid securities, if  they can be
sold at all,  generally will require  more time and  result in higher  brokerage
charges  or dealer discounts and other selling  expenses than the sale of liquid
securities, such as securities eligible for trading on U.S. securities exchanges
or in the over-the-counter markets. Moreover, restricted securities which may be
illiquid for purposes  of this limitation,  often sell,  if at all,  at a  price
lower than similar securities that are not subject to restrictions on resale.
 
Illiquid  securities include those that are subject to restrictions contained in
the securities  laws of  other countries.  However, securities  that are  freely
marketable  in the country where  they are principally traded,  but would not be
freely marketable in the United States,  will not be considered illiquid.  Where
registration  is required, the Fund  may be obligated to pay  all or part of the
registration expenses and a considerable period  may elapse between the time  of
the  decision to sell and the time the  Fund may be permitted to sell a security
under an effective  registration statement.  If, during such  a period,  adverse
market  conditions were to develop, the Fund might obtain a less favorable price
than prevailed when it decided to sell.
 
Not  all  restricted  securities   are  illiquid.  In   recent  years  a   large
institutional   market  has  developed  for  certain  securities  that  are  not
registered under the Securities Act of 1933, as amended ("1933 Act"),  including
private  placements, repurchase agreements, commercial paper, foreign securities
and corporate bonds and notes. These instruments are often restricted securities
because the  securities are  sold in  transactions not  requiring  registration.
Institutional investors generally will not
 
                  Statement of Additional Information Page 15
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
seek  to sell these  instruments to the  general public, but  instead will often
depend either on an  efficient institutional market  in which such  unregistered
securities can be readily resold or on an issuer's ability to honor a demand for
repayment.  Therefore, the fact that there are contractual or legal restrictions
on resale to the  general public or certain  institutions is not dispositive  of
the liquidity of such investments.
 
Rule  144A under the 1933 Act establishes  a "safe harbor" from the registration
requirements of the  1933 Act  for resales  of certain  securities to  qualified
institutional  buyers.  Institutional  markets  for  restricted  securities have
developed as a result of Rule 144A, providing both readily ascertainable  values
for  restricted securities and the ability to liquidate an investment to satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance and  settlement of  unregistered securities  of domestic  and  foreign
issuers,  such as  the PORTAL  System sponsored  by the  National Association of
Securities Dealers,  Inc.  An  insufficient number  of  qualified  institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
the  Fund, however, could  affect adversely the  marketability of such portfolio
securities and the Fund might be  unable to dispose of such securities  promptly
or at favorable prices.
 
   
With  respect  to liquidity  determinations  generally, the  Company's  Board of
Directors has  the  ultimate  responsibility for  determining  whether  specific
securities, including restricted securities pursuant to Rule 144A under the 1933
Act,  are liquid  or illiquid.  The Board has  delegated the  function of making
day-to-day determinations of  liquidity to  the Sub-adviser  in accordance  with
procedures approved by the Board. The Sub-adviser takes into account a number of
factors  in reaching liquidity decisions, including (i) the frequency of trading
in the security, (ii) the  number of dealers who  make quotes for the  security,
(iii)  the  number  of dealers  who  have undertaken  to  make a  market  in the
security, (iv) the number  of other potential purchasers  and (v) the nature  of
the  security and  how trading is  effected (e.g.,  the time needed  to sell the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser  monitors the  liquidity of securities  in the  Fund's portfolio and
periodically reports  such determinations  to the  Board as  applicable. If  the
liquidity  percentage restriction  of a  the Fund  is satisfied  at the  time of
investment, a later increase  in the percentage of  illiquid securities held  by
the Fund resulting from a change in market value or assets will not constitute a
violation  of that restriction.  If as a result  of a change  in market value or
assets, the percentage of illiquid securities  held by the Fund increases  above
the  applicable limit, the Sub-adviser will  take appropriate steps to bring the
aggregate amount of illiquid  assets back within  the prescribed limitations  as
soon   as  reasonably  practicable,  taking  into  account  the  effect  of  any
disposition on the Fund.
    
 
FOREIGN SECURITIES
    POLITICAL, SOCIAL AND  ECONOMIC RISKS. Investing  in securities of  non-U.S.
companies may entail additional risks due to the potential political, social and
economic  instability  of  certain  countries and  the  risks  of expropriation,
nationalization, confiscation  or  the  imposition of  restrictions  on  foreign
investment,  convertibility of currencies into  U.S. dollars and on repatriation
of capital  invested. In  the event  of such  expropriation, nationalization  or
other  confiscation by any country, the Fund could lose its entire investment in
any such country.
 
In addition,  even though  opportunities for  investment may  exist in  emerging
markets,  any change in the  leadership or policies of  the governments of those
countries or  in  the leadership  or  policies  of any  other  government  which
exercises  a significant influence over those  countries, may halt the expansion
of or reverse the  liberalization of foreign  investment policies now  occurring
and thereby eliminate any investment opportunities which may currently exist.
 
Investors should note that upon the accession to power of authoritarian regimes,
the  governments of a number of Latin American countries previously expropriated
large quantities of  real and personal  property similar to  the property  which
will  be represented  by the  securities purchased  by the  Fund. The  claims of
property owners against those governments were never finally settled. There  can
be  no assurance  that any property  represented by securities  purchased by the
Fund will not also be  expropriated, nationalized, or otherwise confiscated.  If
such  confiscation were to occur,  the Fund could lose  its entire investment in
such countries. The Fund's investments would similarly be adversely affected  by
exchange control regulation in any of those countries.
 
    RELIGIOUS  AND ETHNIC  STABILITY. Certain  countries in  which the  Fund may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of  property owned by individuals and entities foreign to such country and could
cause the loss of the Fund's investment in those countries. Instability may also
result from,  among  other things,  (i)  authoritarian governments  or  military
involvement  in  political and  economic  decision-making, including  changes in
government through extra-constitutional  means, (ii)  popular unrest  associated
with  demands for improved  political, economic and  social conditions and (iii)
hostile relations with  neighboring or other  countries. Such political,  social
and  economic instability could disrupt the principal financial markets in which
the Fund invests and adversely affect the value of the Fund's assets.
 
                  Statement of Additional Information Page 16
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                       GT GLOBAL DEVELOPING MARKETS FUND
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial  restrictions on investments in  their capital markets, particularly
their equity markets, by foreign entities  such as the Fund. These  restrictions
or  controls may at times limit or preclude investment in certain securities and
may increase the cost and expenses  of the Fund. For example, certain  countries
require prior governmental approval before investments by foreign persons may be
made  or may limit the  amount of investment by  foreign persons in a particular
company, or limit the investment by foreign persons to only a specific class  of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of  certain  countries  may  restrict  investment  opportunities  in  issuers or
industries deemed sensitive to national  interests. In addition, some  countries
require governmental approval for the repatriation of investment income, capital
or  the  proceeds  of securities  sales  by  foreign investors.  If  there  is a
deterioration in a country's balance of payments or for other reasons, a country
may impose restrictions on foreign capital remittances abroad. The Fund could be
adversely  affected  by  delays  in,  or  a  refusal  to  grant,  any   required
governmental  approval for repatriation, as well as  by the application to it of
other restrictions on investments.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION. Foreign companies are subject to accounting, auditing and  financial
standards  and requirements that  differ in some  cases significantly from those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing on the  financial statements  of such a  company may  not reflect  its
financial  position or results of operations in  the way they would be reflected
had such financial statements  been prepared in  accordance with U.S.  generally
accepted accounting principles. Most of the securities held by the Fund will not
be  registered with the SEC  or regulators of any  foreign country, nor will the
issuers thereof be subject to the SEC's reporting requirements. Thus, there will
be less available information concerning most foreign issuers of securities held
by the Fund than  is available concerning U.S.  issuers. In instances where  the
financial  statements  of an  issuer are  not deemed  to reflect  accurately the
financial situation of the issuer,  the Sub-adviser will take appropriate  steps
to evaluate the proposed investment, which may include on-site inspection of the
issuer,  interviews  with  its management  and  consultations  with accountants,
bankers and other  specialists. There is  substantially less publicly  available
information about foreign companies than there are reports and ratings published
about  U.S.  companies  and  the  U.S.  government.  In  addition,  where public
information is  available,  it  may  be  less  reliable  than  such  information
regarding  U.S.  issuers. Issuers  of  securities on  foreign  jurisdictions are
generally not subject to the same degree of regulation as are U.S. issuers  with
respect  to such matters as restrictions on market manipulation, insider trading
rules, shareholder proxy requirements and timely disclosure of information.
    
 
    CURRENCY FLUCTUATIONS. Because  the Fund, under  normal circumstances,  will
invest  a substantial portion of  its total assets in  the securities of foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the U.S. dollar  against such foreign  currencies will account  for part of  the
Fund's investment performance. A decline in the value of any particular currency
against  the U.S. dollar  will cause a decline  in the U.S.  dollar value of the
Fund's holdings  of  securities  and  cash denominated  in  such  currency  and,
therefore,  will cause an overall decline in  the Fund's net asset value and any
net investment  income and  capital gains  derived from  such securities  to  be
distributed  in U.S. dollars to shareholders of the Fund. Moreover, if the value
of the foreign currencies in which  the Fund receives its income falls  relative
to  the  U.S.  dollar between  receipt  of the  income  and the  making  of Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions if  the  Fund  has  insufficient cash  in  U.S.  dollars  to  meet
distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors including  the supply and  demand for particular  currencies,
central  bank efforts to support particular currencies, the movement of interest
rates, the pace of business activity  in certain other countries and the  United
States, and other economic and financial conditions affecting the world economy.
 
Although  the Fund values its assets daily in terms of U.S. dollars, it does not
intend to convert  its holdings  of foreign currencies  into U.S.  dollars on  a
daily  basis. The  Fund will do  so from time  to time, and  investors should be
aware of the costs of currency conversion. Although foreign exchange dealers  do
not  charge  a  fee  for conversion,  they  do  realize a  profit  based  on the
difference ("spread") between the  prices at which they  are buying and  selling
various  currencies. Thus, a dealer may offer  to sell a foreign currency to the
Fund at one  rate, while  offering a  lesser rate  of exchange  should the  Fund
desire to sell that currency to the dealer.
 
    ADVERSE  MARKET CHARACTERISTICS. Securities  of many foreign  issuers may be
less liquid and their  prices more volatile than  securities of comparable  U.S.
issuers.  In  addition, foreign  securities  markets and  brokers  generally are
subject to  less governmental  supervision  and regulation  than in  the  United
States  and  foreign  securities  transactions  usually  are  subject  to  fixed
commissions, which  generally are  higher than  negotiated commissions  on  U.S.
transactions. In addition, foreign
 
                  Statement of Additional Information Page 17
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                       GT GLOBAL DEVELOPING MARKETS FUND
   
securities  transactions  may be  subject  to difficulties  associated  with the
settlement of such transactions. Delays in settlement could result in  temporary
periods  when assets of the Fund are uninvested and no return is earned thereon.
The inability of the Fund to make intended security purchases due to  settlement
problems  could cause  the Fund to  miss attractive  opportunities. Inability to
dispose of a portfolio security due  to settlement problems either could  result
in  losses to  the Fund  due to  subsequent declines  in value  of the portfolio
security or, if the Fund has entered into a contract to sell the security, could
result in possible  liability to  the purchaser. The  Sub-adviser will  consider
such difficulties when determining the allocation of the Fund's assets, although
the  Sub-adviser does  not believe that  such difficulties will  have a material
adverse effect on the Fund's portfolio trading activities.
    
 
The Fund may  use foreign  custodians, which may  involve risks  in addition  to
those  related to the  use of U.S. custodians.  Such risks include uncertainties
relating to (i)  determining and monitoring  the financial strength,  reputation
and  standing of the foreign  custodian, (ii) maintaining appropriate safeguards
to protect the Fund's investments  and (iii) possible difficulties in  obtaining
and enforcing judgments against such custodians.
 
    WITHHOLDING  TAXES.  The Fund's  net  investment income  from  securities of
foreign issuers may  be subject  to withholding  taxes by  the foreign  issuer's
country,  thereby reducing that  income or delaying the  receipt of income where
those taxes may be recaptured. See "Taxes."
 
    CONCENTRATION. To the extent the Fund  invests a significant portion of  its
assets in securities of issuers located in a particular country or region of the
world,  it may be subject to greater risks and may experience greater volatility
than a fund that is more broadly diversified geographically.
 
    SPECIAL CONSIDERATIONS  AFFECTING  EMERGING  MARKETS.  Investing  in  equity
securities  of  companies  in emerging  markets  may entail  greater  risks than
investing in equity securities in  developed countries. These risks include  (i)
less  social, political and  economic stability; (ii) the  small current size of
the markets for such securities and  the currently low or nonexistent volume  of
trading,  which result in a  lack of liquidity and  in greater price volatility;
(iii) certain  national  policies  which  may  restrict  the  Fund's  investment
opportunities,  including restrictions  on investment  in issuers  or industries
deemed sensitive  to national  interests;  (iv) foreign  taxation; and  (v)  the
absence  of  developed structures  governing  private or  foreign  investment or
allowing for judicial redress for injury to private property.
 
Investing in the securities of companies in emerging markets may entail  special
risks  relating to potential political and economic instability and the risks of
expropriation, nationalization, confiscation or  the imposition of  restrictions
on  foreign investment, convertibility into U.S.  dollars and on repatriation of
capital invested. In the event  of such expropriation, nationalization or  other
confiscation  by any country, the  Fund could lose its  entire investment in any
such country.
 
Emerging securities  markets are  substantially  smaller, less  developed,  less
liquid  and more volatile than the major securities markets. The limited size of
emerging securities markets and limited trading value in issuers compared to the
volume of  trading in  U.S. securities  could  cause prices  to be  erratic  for
reasons  apart  from factors  that  affect the  quality  of the  securities. For
example, limited market size may cause prices to be unduly influenced by traders
who control  large  positions.  Adverse publicity  and  investors'  perceptions,
whether  or  not  based on  fundamental  analysis,  may decrease  the  value and
liquidity of portfolio  securities, especially  in these  markets. In  addition,
securities traded in certain emerging markets may be subject to risks due to the
inexperience  of financial intermediaries, a lack of modern technology, the lack
of a sufficient capital base to expand business operations, and the  possibility
of permanent or temporary termination of trading.
 
Settlement  mechanisms in emerging securities markets  may be less efficient and
reliable than in more developed markets.  In such emerging securities there  may
be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and may  continue to  have  negative effects  on  the economies  and  securities
markets of certain emerging market countries.
 
   
    SPECIAL  CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The countries
that are members of the European Economic Community ("Common Market")  (Belgium,
Denmark,  France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg, Netherlands,
Portugal, Spain, and the United  Kingdom) eliminated certain import tariffs  and
quotas  and  other trade  barriers with  respect  to one  another over  the past
several years. The  Sub-adviser believes that  this deregulation should  improve
the  prospects for  economic growth  in many  Western European  countries. Among
other things, the deregulation could  enable companies domiciled in one  country
to  avail  themselves  of lower  labor  costs  existing in  other  countries. In
addition, this deregulation could benefit companies domiciled in one country  by
opening  additional markets  for their  goods and  services in  other countries.
Since, however, it is not  clear what the exact form  or effect of these  Common
Market reforms
    
 
                  Statement of Additional Information Page 18
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
will be on business in Western Europe, it is impossible to predict the long-term
impact  of the implementation of  these programs on the  securities owned by the
Fund.
 
    SPECIAL CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN  COUNTRIES.
Investing  in Russia  and Eastern European  countries involves a  high degree of
risk and special considerations not  typically associated with investing in  the
U.S.  securities markets and should be considered highly speculative. Such risks
include the following: (1) delays in settling portfolio transactions and risk of
loss arising out of the system of  share registration and custody; (2) the  risk
that  it may be impossible  or more difficult than  in other countries to obtain
and/or enforce a  judgement; (3) pervasiveness  of corruption and  crime in  the
economic system; (4) currency exchange rate volatility and the lack of available
currency  hedging instruments; (5) higher rates of inflation (including the risk
of  social  unrest  associated  with   periods  of  hyper-inflation)  and   high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign  investors and limitations on  repatriation of invested capital, profits
and dividends, and on the Fund's  ability to exchange local currencies for  U.S.
dollars;  (7) political instability and social unrest and violence; (8) the risk
that the governments of Russia and Eastern European countries may decide not  to
continue  to support the economic reform programs implemented recently and could
follow radically different political and/or  economic policies to the  detriment
of  investors,  including non-market-oriented  policies such  as the  support of
certain industries at the expense of other sectors or investors, or a return  to
the  centrally planned economy that existed  when such countries had a communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of international trade;  (11) the risk  that the tax  system in these  countries
will  not  be reformed  to prevent  inconsistent, retroactive  and/or exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly since 1990. The general government position has deteriorated as  a
result  of weakening economic  growth and stimulative  measures taken to support
economic activity and to  restore financial stability.  Although the decline  in
interest   rates  and  fiscal  stimulation   packages  have  helped  to  contain
recessionary forces, uncertainties remain. Japan is also heavily dependent  upon
international  trade, so its  economy is especially  sensitive to trade barriers
and disputes.  Japan has  had  difficult relations  with its  trading  partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible  that  trade sanctions  and other  protectionist measures  could impact
Japan adversely in both the short and the long term.
 
The common  stocks  of many  Japanese  companies trade  at  high  price-earnings
ratios.  Differences  in accounting  methods make  it  difficult to  compare the
earnings of  Japanese companies  with  those of  companies in  other  countries,
especially  in the  United States. In  general, however, reported  net income in
Japan is  understated relative  to U.S.  accounting standards  and this  is  one
reason why price-earnings ratios of the stocks of Japanese companies have tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally been  lower than in  the United States,
both of  which  factors  tend to  result  in  lower discount  rates  and  higher
price-earnings ratios in Japan than in the United States.
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
 
Many  of the Asia Pacific region countries may be subject to a greater degree of
social, political  and economic  instability  than is  the  case in  the  United
States. Such instability may result from, among other things, the following: (i)
authoritarian  governments  or military  involvement  in political  and economic
decision making, and changes  in government through extra-constitutional  means;
(ii) popular unrest associated with demands for improved political, economic and
social  conditions;  (iii) internal  insurgencies;  (iv) hostile  relations with
neighboring countries; and (v) ethnic,  religious and racial disaffection.  Such
social,  political  and  economic instability  could  significantly  disrupt the
principal financial markets in which the  Fund invests and adversely affect  the
value  of  the  Fund's  assets.  In  addition,  asset  expropriations  or future
confiscatory levels of taxation possibly may affect the Fund.
 
Several of the  Asia Pacific region  countries have,  or in the  past have  had,
hostile  relationships  with neighboring  nations  or have  experienced internal
insurgency. Thailand has  experienced border conflicts  with Laos and  Cambodia,
and India is
 
                  Statement of Additional Information Page 19
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
engaged  in border disputes  with several of its  neighbors, including China and
Pakistan. An uneasy truce  exists between North Korea  and South Korea, and  the
recurrence  of hostilities  remains possible.  Reunification of  North Korea and
South Korea could have a detrimental effect on the economy of South Korea. Also,
China continues  to claim  sovereignty over  Taiwan and  recently has  conducted
military maneuvers near Taiwan.
 
The economies of most of the Asia Pacific region countries are heavily dependent
upon  international  trade  and  are accordingly  affected  by  protective trade
barriers and the economic conditions of their trading partners, principally  the
United  States, Japan,  China and the  European Community. The  enactment by the
United States  or  other  principal  trading  partners  of  protectionist  trade
legislation,  reduction of foreign investment in the local economies and general
declines in  the  international  securities markets  could  have  a  significant
adverse effect upon the securities markets of the Asia Pacific region countries.
In  addition,  the  economies of  some  of  the Asia  Pacific  region countries,
Australia and Indonesia, for example, are vulnerable to weakness in world prices
for their commodity exports, including crude oil.
 
China recently assumed sovereignty over Hong  Kong in July 1997. Although  China
has  committed by treaty to preserve the economic and social freedoms enjoyed in
Hong Kong for fifty years, the continuation of the current form of the  economic
system  in Hong Kong will  depend on the actions of  the government of China. In
addition, such assumption of sovereignty has increased sensitivity in Hong  Kong
to  political developments and  statements by public  figures in China. Business
confidence in  Hong  Kong, therefore,  can  be significantly  affected  by  such
developments  and  statements, which  in turn  can  affect markets  and business
performance.
 
In addition, the Chinese  sovereignty over Hong Kong  also presents a risk  that
the  Hong Kong dollar will  be devalued and a risk  of possible loss of investor
confidence in the Hong Kong markets and dollar. However, factors exist that  are
likely to mitigate this risk. First, China has stated its intention to implement
a  "one country, two systems" policy,  which would preserve monetary sovereignty
and leave control in the hands of the Hong Kong Monetary Authority ("HKMA").
 
Second, fixed  rate  parity  with  the  U.S.  dollar  is  seen  as  critical  to
maintaining  investors'  confidence  in  the transition  to  Chinese  rule, and,
therefore, it is anticipated that, if international investors lose confidence in
Hong Kong  dollar assets,  the HKMA  would intervene  to support  the  currency,
though  such  intervention cannot  be assured.  Third,  Hong Kong's  and China's
sizable combined foreign exchange  reserve may be used  to support the value  of
the Hong Kong dollar, provided that China does not appropriate such reserves for
other uses, which is not anticipated but cannot be assured. Finally, China would
be  likely to experience significant adverse political and economic consequences
if confidence  in the  Hong Kong  dollar and  the territory  assets were  to  be
endangered.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American countries have experienced substantial,  and in some periods  extremely
high,  rates of  inflation for many  years. Inflation and  rapid fluctuations in
inflation rates have had and may continue  to have very negative effects on  the
economies  and securities markets  of certain Latin  American countries. Certain
Latin American countries are also among the largest debtors to commercial  banks
and foreign governments. At times certain Latin American countries have declared
moratoria  on  the payment  of principal  and/or interest  on external  debt. In
addition, certain  Latin  American  securities  markets  have  experienced  high
volatility in recent years.
 
Latin  American countries may  also close certain sectors  of their economies to
equity investments  by foreigners.  Further  due to  the absence  of  securities
markets  and  publicly  owned corporations  and  due to  restrictions  on direct
investment by foreign entities,  investments may only be  made in certain  Latin
American   countries  solely   or  primarily   through  governmentally  approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at artificial levels to the U.S. dollar rather than at levels determined by  the
market.  This type  of system can  lead to  sudden and large  adjustments in the
currency which, in turn,  can have a disruptive  and negative effect on  foreign
investors.  For example, in late  1994, the value of  the Mexican peso lost more
than one-third of its value relative to the U.S. dollar.
 
    SOVEREIGN DEBT. Sovereign Debt generally offers high yields, reflecting  not
only  perceived  credit risk,  but also  the  need to  compete with  other local
investments in domestic financial markets. Certain Latin American countries  are
among  the  largest  debtors  to commercial  banks  and  foreign  governments. A
sovereign debtor's willingness or ability to repay principal and interest due in
a timely  manner  may  be  affected  by, among  other  factors,  its  cash  flow
situation,  the extent of  its foreign reserves,  the availability of sufficient
foreign exchange on the  date a payment  is due, the relative  size of the  debt
service  burden to the economy as a whole, the sovereign debtor's policy towards
the International  Monetary  Fund  and  the political  constraints  to  which  a
sovereign  debtor  may  be  subject.  Sovereign  debtors  may  default  on their
Sovereign  Debt.  Sovereign   debtors  may   also  be   dependent  on   expected
disbursements  from foreign governments, multilateral agencies and others abroad
to reduce principal and interest arrearages on their debt. The commitment on the
part of these
 
                  Statement of Additional Information Page 20
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
governments, agencies and others to  make such disbursements may be  conditioned
on  a  sovereign debtor's  implementation  of economic  reforms  and/or economic
performance and  the timely  service of  such debtor's  obligations. Failure  to
implement  such reforms,  achieve such levels  of economic  performance or repay
principal or interest  when due, may  result in the  cancellation of such  third
parties'  commitments to lend  funds to the sovereign  debtor, which may further
impair such debtor's ability or willingness to timely service its debts.
 
In recent years, some of the Latin American countries in which the Fund  expects
to  invest have encountered difficulties in servicing their Sovereign Debt. Some
of these  countries  have withheld  payments  of interest  and/or  principal  of
Sovereign  Debt. These difficulties  have also led  to agreements to restructure
external debt obligations -- in particular, commercial bank loans, typically  by
rescheduling  principal  payments,  reducing interest  rates  and  extending new
credits to finance interest payments on existing debt. In the future, holders of
Sovereign Debt may be requested to participate in similar reschedulings of  such
debt.
 
The  ability  of Latin  American governments  to make  timely payments  on their
Sovereign Debt is  likely to be  influenced strongly by  a country's balance  of
trade  and its access to trade and  other international credits. A country whose
exports are concentrated in a few  commodities could be vulnerable to a  decline
in  the  international prices  of  one or  more  of such  commodities. Increased
protectionism on the part of a  country's trading partners could also  adversely
affect its exports.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting principles. Most of the foreign securities held by the  Fund
will  not be registered with  the SEC or regulators  of any foreign country, nor
will the issuers thereof be subject  to the SEC's reporting requirements.  Thus,
there  will be  less available  information concerning  most foreign  issuers of
securities held  by the  Fund  than is  available  concerning U.S.  issuers.  In
instances  where the financial statements of an issuer are not deemed to reflect
accurately the  financial situation  of the  issuer, the  Sub-adviser will  take
appropriate steps to evaluate the proposed investment, which may include on-site
inspection  of the issuer, interviews with its management and consultations with
accountants, bankers and other specialists. There is substantially less publicly
available information about foreign companies than there are reports and ratings
published about  U.S. companies  and  the U.S.  government. In  addition,  where
public  information is available, it may  be less reliable than such information
regarding U.S. issuers. In addition, for companies that keep accounting  records
in  local currency, inflation accounting rules  in some Latin American countries
require,  for  both  tax  and  accounting  purposes,  that  certain  assets  and
liabilities be restated on the company's balance sheet in order to express items
in  terms of  currency of  constant purchasing  power. Inflation  accounting may
indirectly generate  losses or  profits. There  is substantially  less  publicly
available   information  about  foreign   companies,  including  Latin  American
companies, and  the  governments of  Latin  American countries  than  there  are
reports  and ratings  published about  U.S. companies  and the  U.S. government.
Issuers of securities in foreign jurisdictions are generally not subject to  the
same  degree of regulation as  are U.S. issuers with  respect to such matters as
restrictions on market  manipulation, insider trading  rules, shareholder  proxy
requirements and timely disclosure of information.
    
 
- --------------------------------------------------------------------------------
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
The  Fund's investment objectives may  not be changed without  the approval of a
majority of its outstanding voting securities. As defined in the 1940 Act and as
used in  this Statement  of Additional  Information a  "majority of  the  Fund's
outstanding  voting  securities"  means the  lesser  of  (i) 67%  of  the shares
represented at a meeting at  which more than 50%  of the outstanding shares  are
represented  and (ii) more than 50% of  the outstanding shares. In addition, the
Fund has adopted the following  fundamental investment limitations that may  not
be changed without approval of a majority of its outstanding voting securities.
 
The Fund may not:
 
   
        (1)  issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting
    
 
                  Statement of Additional Information Page 21
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
    borrowings) at the time of the borrowing, except that the Fund may borrow up
    to an additional 5% of its total assets (not including the amount  borrowed)
    for temporary or emergency purposes;
    
 
   
        (2)  purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (3) engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (4)  purchase or sell real estate, except that investments in securities
    of issuers that  invest in  real estate and  investments in  mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Fund may exercise rights  under agreements relating to such  securities,
    including  the right to  enforce security interests and  to hold real estate
    acquired by  reason  of such  enforcement  until  that real  estate  can  be
    liquidated in an orderly manner;
    
 
   
        (5)  purchase or sell  physical commodities, but  the Fund may purchase,
    sell or enter into financial options and futures, forward and spot  currency
    contracts,  swap transactions  and other  financial contracts  or derivative
    instruments;
    
 
   
        (6) make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
    
 
For purposes of the concentration policy of the Fund contained in limitation (2)
above, the Fund intends  to comply with the  SEC staff position that  securities
issued  or guaranteed  as to  principal and interest  by any  one single foreign
government,  or  by  all  supranational  organizations  in  the  aggregate,  are
considered to be securities of issuers in the same industry.
 
   
In  addition, to  comply with  federal tax  requirements for  qualification as a
"regulated investment company" ("RIC"), the  Fund's investments will be  limited
so that, at the close of each quarter of its taxable year, (a) not more than 25%
of  the value of its total assets is  invested in the securities (other than U.S
government securities or the securities of other RICs) of any one issuer and (b)
at least 50% of the  value of its total assets  is represented by cash and  cash
items,   U.S.  government  securities,  securities   of  other  RICs  and  other
securities, with these other securities limited,  in respect of any one  issuer,
to  an amount that does not exceed 5% of  the value of its total assets and that
does not represent more than 10%  of the issuer's outstanding voting  securities
("Diversification  Requirements"). These tax-related  limitations may be changed
by the  Company's Board  of Trustees  to  the extent  necessary to  comply  with
changes to applicable tax requirements.
    
 
   
The  following investment policy of the Fund is not a fundamental policy and may
be changed  by vote  of  the Company's  Board  of Trustees  without  shareholder
approval:  The Fund  will not purchase  securities on margin,  provided that the
Fund may obtain  short-term credits  as may be  necessary for  the clearance  of
purchases  and sales of securities, and further  provided that the Fund may make
margin deposits in  connection with its  use of financial  options and  futures,
forward  and  spot currency  contracts,  swap transactions  and  other financial
contracts or derivative instruments.
    
 
- --------------------------------------------------------------------------------
 
   
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
    
 
- --------------------------------------------------------------------------------
 
   
Subject to  policies  established  by  the  Company's  Board  of  Trustees,  the
Sub-adviser   is  responsible  for   the  execution  of   the  Fund's  portfolio
transactions and the selection of  broker/dealers who execute such  transactions
on  behalf of  the Fund.  In executing  portfolio transactions,  the Sub-adviser
seeks the best net  results for the  Fund, taking into  account such factors  as
    
 
                  Statement of Additional Information Page 22
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
the price (including the applicable brokerage commission or dealer spread), size
of  the order,  difficulty of execution  and operational facilities  of the firm
involved.  Although  the  Sub-adviser  generally  seeks  reasonably  competitive
commission  rates and spreads, payment of the lowest commission or spread is not
necessarily consistent with the best net  results. While the Fund may engage  in
soft dollar arrangements for research services, as described below, the Fund has
no  obligation to deal with any broker/dealer  or group of broker/dealers in the
execution of portfolio transactions.
    
 
Debt securities generally are traded  on a "net" basis  with a dealer acting  as
principal for its own account without a stated commission, although the price of
the  security  usually  includes  a  profit  to  the  dealer.  U.S.  and foreign
government securities and money market  instruments generally are traded in  the
OTC  markets. In underwritten  offerings, securities usually  are purchased at a
fixed price which  includes an  amount of  compensation to  the underwriter.  On
occasion,  securities may be purchased directly from an issuer, in which case no
commissions or discounts  are paid.  Broker/dealers may  receive commissions  on
futures, currency and options transactions.
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute  the Fund's  portfolio transactions,  on the  basis of  the research and
brokerage services they provide to the  Sub-adviser for its use in managing  the
Fund  and  its other  advisory accounts.  Such  services may  include furnishing
analyses, reports and  information concerning  issuers, industries,  securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance of accounts;  and effecting securities  transactions and  performing
functions  incidental thereto (such  as clearance and  settlement). Research and
brokerage services received  from such brokers  are in addition  to, and not  in
lieu  of, the  services required  to be performed  by the  Sub-adviser under the
investment management and  administration contracts. A  commission paid to  such
brokers  may  be higher  than  that which  another  qualified broker  would have
charged for  effecting  the  same transaction,  provided  that  the  Sub-adviser
determines  in good faith that such commission  is reasonable in terms either of
that particular transaction or the overall responsibility of the Sub-adviser  to
the  Fund and its other clients and that  the total commissions paid by the Fund
will be reasonable in relation to the  benefits it received over the long  term.
Research   services  may  also  be  received   from  dealers  who  execute  Fund
transactions in OTC markets.
    
 
   
The Sub-adviser may allocate brokerage  transactions to broker/dealers who  have
entered  into arrangements under which the  broker/dealer allocates a portion of
the commissions paid by the Fund toward payment of the Fund's expenses, such  as
transfer agent and custodian fees.
    
 
   
Investment  decisions for the Fund and  for other investment accounts managed by
the Sub-adviser  are made  independently of  each other  in light  of  differing
conditions.  However, the same investment decision  occasionally may be made for
two or more  of such accounts  including the Fund.  In such cases,  simultaneous
transactions  may occur. Purchases  or sales are  then allocated as  to price or
amount in a manner deemed fair and equitable to all accounts involved. While  in
some cases this practice could have a detrimental effect upon the price or value
of the security as far as the Fund is concerned, in other cases, the Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Fund.
    
 
   
Under  a policy adopted by  the Company's Board of  Trustees, and subject to the
policy of  obtaining  the best  net  results,  the Sub-adviser  may  consider  a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser  serves as investment  manager in selecting  brokers and dealers for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The  Fund   contemplates   purchasing   most  foreign   equity   securities   in
over-the-counter  markets or stock  exchanges located in  the countries in which
the respective principal offices  of the issuers of  the various securities  are
located,  if that is  the best available  market. The fixed  commissions paid in
connection with most such foreign  stock transactions generally are higher  than
negotiated  commissions on U.S. transactions. There generally is less government
supervision and regulation of  foreign stock exchanges and  brokers than in  the
United  States. Foreign security settlements may in some instances be subject to
delays and related administrative uncertainties.
 
   
Foreign equity securities may  be held by  the Fund in the  form of ADRs,  ADSs,
EDRs, GDRs, CDRs or securities convertible into foreign equity securities. ADRs,
ADSs, EDRs, GDRs and CDRs may be listed on stock exchanges, or traded in the OTC
markets  in the United  States or Europe, as  the case may  be. ADRs, like other
securities traded in the United States, will be subject to negotiated commission
rates. The foreign and domestic debt securities and money market instruments  in
which the Fund may invest generally are traded in the OTC markets.
    
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results,  brokerage  transactions  may be  conducted  through  certain companies
affiliated with AIM or Sub-adviser. The Company's Board of Trustees has  adopted
procedures  in conformity with Rule 17e-1 under  the 1940 Act to ensure that all
brokerage commissions paid to such
    
 
                  Statement of Additional Information Page 23
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
affiliates are reasonable and fair  in the context of  the market in which  they
are  operating. Any such transactions will  be effected and related compensation
paid only in accordance with applicable SEC regulations.
 
For the fiscal  years ended December  31, 1997, 1996  and 1995, the  Predecessor
Fund   paid  aggregate  brokerage  commissions  of  $2,212,022,  $1,580,879  and
$1,311,090, respectively.
 
PORTFOLIO TRADING AND TURNOVER
   
The Fund engages in  portfolio trading when the  Sub-adviser has concluded  that
the sale of a security owned by the Fund and/or the purchase of another security
of  better value can enhance principal and/or increase income. A security may be
sold to avoid  any prospective decline  in market  value, or a  security may  be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment objective, a  security also  may be  sold and  a comparable  security
purchased  coincidentally in order to take advantage of what is believed to be a
disparity in the normal yield and price relationship between the two securities.
Although the Fund does not intend generally to trade for short-term profits, the
securities in the Fund's portfolio will be sold whenever management believes  it
is  appropriate to  do so,  without regard  to the  length of  time a particular
security may have been held. Portfolio  turnover rate is calculated by  dividing
the  lesser of sales or purchases of  portfolio securities by the Fund's average
month-end portfolio  values,  excluding short-term  investments.  The  portfolio
turnover rate will not be a limiting factor when the Sub-adviser deems portfolio
changes  appropriate. Higher portfolio turnover involves correspondingly greater
brokerage commissions  and  other transaction  costs  that the  Fund  will  bear
directly and may result in the realization of net capital gains that are taxable
when distributed to the Fund's shareholders. For the fiscal years ended December
31, 1997 and 1996, the Predecessor Fund's portfolio turnover rates were 184% and
138%, respectively.
    
 
                  Statement of Additional Information Page 24
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*   Mr. Guilfoyle is an "interested person"  of the Trust as defined by the 1940
Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 25
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
Kenneth W. Chancey, 52                   Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since 1997; Vice
Vice President and                       President -- Mutual Fund Accounting, the Sub-adviser from 1992 to 1997; and Vice
Principal Accounting Officer             President, Putnam Fiduciary Trust Company from 1989 to 1992.
50 California Street
San Francisco, CA 94111
 
Helge K. Lee, 52                         Chief Legal and Compliance Officer -- North America, the Sub-adviser since October 1997;
Vice President                           Executive Vice President of the Asset Management Division of Liechtenstein Global Trust
50 California Street                     since October 1996; Senior Vice President, General Counsel and Secretary of LGT Asset
San Francisco, CA 94111                  Management, Inc., Chancellor LGT, GT Global, GT Services and G.T. Insurance from February
                                         1996 to October 1996; Vice President, General Counsel and Secretary of LGT Asset
                                         Management, Inc., Chancellor LGT, GT Global, GT Services and G.T. Insurance from May 1994
                                         to February 1996; Senior Vice President, General Counsel and Secretary of
                                         Strong/Corneliuson Management, Inc. and Secretary of each of the Strong Funds from October
                                         1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT]
    
 
                            ------------------------
 
   
The Board of Trustees  has a Nominating and  Audit Committee, comprised of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve  as Directors, reviewing audits  of the Company  and
its  funds  and recommending  firms  to serve  as  independent auditors  for the
Company. Each of the Trustees and Officers of the Company is also a Trustee  and
Officer of G.T. Investment Portfolios, GT Global Floating Rate Fund, G.T. Global
Growth  Series, G.T. Global Series Trust,  G.T. Global Eastern Europe Fund, G.T.
Global Variable Investment Trust, G.T. Global Variable Investment Series, Global
High Income Portfolio, Floating Rate Portfolio and Global Investment  Portfolio,
which are also registered investment companies advised by AIM and sub-advised by
the  Sub-adviser. Each  Trustee and  Officer serves  in total  as a  Trustee and
Officer, respectively,  of 12  registered investment  companies with  47  series
managed  or  administered by  AIM and  sub-advised  and sub-administered  by the
Sub-adviser. Each Trustee,  who is not  a director, officer  or employee of  the
Sub-adviser  or any  affiliated company,  is paid  aggregate fees  of $5,000 per
annum, plus $300 per Fund for each meeting of the Board attended by the Trustee,
and reimbursed travel and other expenses incurred in connection with  attendance
at such meetings. Other Trustees and Officers receive no compensation or expense
reimbursement  from the Company. For the fiscal year ended October 31, 1997, Mr.
Anderson, Mr. Bayley,  Mr. Patterson and  Miss Quigley, who  are not  directors,
officers  or employees  of the Sub-adviser  or any  affiliated company, received
total compensation of $38,650, $38,650, $27,850 and $38,650, respectively,  from
the  Company for which he or she serves  as a Trustee. For the fiscal year ended
October 31,  1997, Mr.  Anderson, Mr.  Bayley, Mr.  Patterson and  Miss  Quigley
received  total  compensation  of  $117,304,  $114,386,  $88,350  and  $111,688,
respectively, from the investment companies  managed or administered by AIM  and
sub-advised  and sub-administered by the Sub-adviser  for which he or she serves
as a Trustee. Fees and expenses  disbursed to the Trustees contained no  accrued
or  payable pension or retirement benefits. As  of January 8, 1998, the Officers
and Trustees and their families as  a group owned in the aggregate  beneficially
or  of record less than 1%  of the outstanding shares of  the Fund or of all the
Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and AIM. The Sub-adviser serves as the sub-adviser and sub-
administrator to the Fund under  a Sub-Advisory and Sub-Administration  Contract
between  AIM and the  Sub-adviser ("Sub-Management Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Fund  and  administer  the  Fund's  affairs. Among  other  things,  AIM  and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of  the Company  and  the Fund,  and  provide suitable  office space,
necessary small office equipment and utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has  been specifically  approved  at  least annually  by  (i) the
Company's Board  of  Trustees, or  by  the vote  of  a majority  of  the  Fund's
outstanding  voting securities (as defined in the  1940 Act) and (ii) a majority
of Trustees  who are  not parties  to the  Management Contracts  or  "interested
persons"  of any such  party (as defined in  the 1940 Act), cast  in person at a
meeting called  for  the  specific  purpose of  voting  on  such  approval.  The
Management  Contracts provide that with respect to the Fund, the Company or each
of AIM or the Sub-adviser may terminate the Contracts without penalty upon sixty
days' written notice.  The Management Contracts  terminate automatically in  the
event of their assignment (as defined in the 1940 Act).
    
 
   
The   following  table  discloses  the   amount  of  investment  management  and
administration fees paid by the Predecessor  Fund to the Sub-adviser during  the
Predecessor Fund's last three fiscal years:
    
 
<TABLE>
<CAPTION>
PERIOD                                                                                                        AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
Fiscal year ended Oct. 31, 1997............................................................................   $ 7,383,823
Fiscal year ended Dec. 31, 1996............................................................................   $ 7,864,840
Fiscal year ended Dec. 31, 1995............................................................................   $ 6,878,640
</TABLE>
 
DISTRIBUTION SERVICES
   
The  Fund's Class  A and  Class B  shares are  offered continuously  through the
Fund's principal  underwriter  and distributor,  AIM  Distributors, on  a  "best
efforts"  basis pursuant to a Distribution  Contract between the Company and AIM
Distributors.
    
 
   
As described in the Prospectus, on         , 1998, the Company adopted a  Master
Distribution  Plan pursuant  to Rule  12b-1 under the  1940 Act  relating to the
Class A shares of the Fund (the "Class  A Plan"). At the same time, the  Company
also  adopted a Master Distribution  Plan pursuant to Rule  12b-1 under the 1940
Act relating to Class  B shares of  the Fund (the "Class  B Plan," and  together
with the Class A Plan, the "Plans"). The rate of payments by the Funds under the
Plans, as described in the Prospectus, may not be increased without the approval
of the majority of the outstanding voting securities of the affected class.
    
 
   
BOTH  PLANS. Pursuant to  an incentive program, AIM  Distributors may enter into
agreements ("Shareholder Service Agreements")  with investment dealers  selected
from  time  to  time  by  AIM Distributors  for  the  provision  of distribution
assistance in connection  with the sale  of the Fund's  shares to such  dealers'
customers,  and for the provision of continuing personal shareholder services to
customers who may from time to time  directly or beneficially own shares of  the
Fund.  The distribution assistance and  continuing personal shareholder services
to be rendered by dealers under the Shareholder Service Agreements may  include,
but  shall  not be  limited to,  the  following: distributing  sales literature;
answering routine customer inquiries concerning the Fund; assisting customers in
changing dividend options, account designations and addresses, and in  enrolling
in  any  of several  special  investment plans  offered  in connection  with the
purchase of the Fund's shares; assisting in the establishment and maintenance of
customer accounts and records and in  the processing of purchase and  redemption
transactions;   investing   dividends  and   any  capital   gains  distributions
automatically in the  Fund's shares;  and providing such  other information  and
services as the Fund or the customer may reasonably request.
    
 
   
Under  the Plans, in addition to  the Shareholder Service Agreements authorizing
payments  to  selected  dealers,  banks  may  enter  into  Shareholder   Service
Agreements authorizing payments under the Plans to be made to banks that provide
    
 
                  Statement of Additional Information Page 27
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
services  to  their  customers  who  have  purchased  shares.  Services provided
pursuant to Shareholder Service Agreements with banks may include some or all of
the following:  answering  shareholder  inquiries regarding  the  Fund  and  the
Company;  performing  sub-accounting; establishing  and  maintaining shareholder
accounts and records; processing customer purchase and redemption  transactions;
providing  periodic statements showing  a shareholder's account  balance and the
integration of such statements with those of other transactions and balances  in
the  shareholder's other  accounts serviced  by the  bank; forwarding applicable
prospectuses, proxy statements,  reports and  notices to bank  clients who  hold
Fund  shares; and such other administrative  services as the Fund reasonably may
request, to  the extent  permitted by  applicable statute,  rule or  regulation.
Similar  agreements  may  be permitted  under  the Plans  for  institutions that
provide recordkeeping for and administrative services to 401(k) plans.
    
 
   
Financial intermediaries and any other  person entitled to receive  compensation
for selling Fund shares may receive different compensation for selling shares of
one particular class over another.
    
 
   
Under  a Shareholder Service Agreement, the Fund agrees to pay periodically fees
to selected dealers and other institutions who render the foregoing services  to
their  customers. The fees payable under a Shareholder Service Agreement will be
calculated at the end of each payment  period for each business day of the  Fund
during  such period at the  annual rate of 0.25% of  the average daily net asset
value of  the  Fund's  shares  purchased  or  acquired  through  exchange.  Fees
calculated  in this manner shall be paid only to those selected dealers or other
institutions who are dealers or institutions of record at the close of  business
on  the last business  day of the  applicable payment period  for the account in
which the Fund's shares are held.
    
 
   
Payments pursuant to the Plans are subject to any applicable limitations imposed
by rules of the National Association  of Securities Dealers, Inc. ("NASD").  The
Plans  conform to  rules of the  NASD by  limiting payments made  to dealers and
other  financial  institutions  who  provide  continuing  personal   shareholder
services  to their customers who purchase and own  shares of the Fund to no more
than 0.25% per annum of the average daily net assets of the Fund attributable to
the customers of such dealers or  financial institutions, and by imposing a  cap
on  the total  sales charges, including  asset-based sales charges,  that may be
paid by the Fund and its respective classes.
    
 
   
AIM Distributors does not act as principal, but rather as agent for the Fund, in
making dealer  incentive and  shareholder servicing  payments under  the  Plans.
These payments are an obligation of the Fund and not of AIM Distributors.
    
 
   
In  approving the Plans, the Trustees determined  that the adoption of each Plan
was in the best interests of the shareholders of the Fund. Agreements related to
the Plans  must also  be approved  by such  vote of  the Trustees,  including  a
majority of Trustees who are not "interested persons" of the Company (as defined
in  the 1940 Act) and who have no  direct or indirect financial interests in the
operation of the Plans, or in any agreement related thereto.
    
 
   
Each Plan requires  that, at least  quarterly, the Trustees  review the  amounts
expended thereunder and the purposes for which such expenditures were made. Each
Plan  requires that so long  as it is in effect  the selection and nomination of
Trustees who are not  "interested persons" of the  Company will be committed  to
the  discretion of the Trustees who are not "interested persons" of the Company,
as defined in the 1940 Act.
    
 
   
As discussed in the Prospectus, AIM Distributors collects sales charges on sales
of Class A  shares of  the Fund,  retains certain  amounts of  such charges  and
reallows other amounts of such charges to broker/dealers who sell shares.
    
 
   
AIM  Distributors receives  any contingent  deferred sales  charges payable with
respect to redemptions of Class B shares and certain Class A shares.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The Transfer  Agent  has  been  retained by  the  Fund  to  perform  shareholder
servicing,  reporting and  general transfer  agent functions  for the  Fund. For
these services, the Transfer Agent receives an annual maintenance fee of  $17.50
per  account, a new account  fee of $4.00 per account,  a per transaction fee of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent also is reimbursed by the Fund for its out-of-pocket expenses
for such  items as  postage,  forms, telephone  charges, stationery  and  office
supplies. The Sub-adviser serves as the Fund's pricing and accounting agent.
    
 
EXPENSES OF THE FUND
   
The Fund pays all expenses not assumed by AIM, the Sub-adviser, AIM Distributors
and  other  agents.  These  expenses  include,  in  addition  to  the  advisory,
distribution, transfer agency, pricing and accounting agency and brokerage  fees
discussed  above,  legal and  audit expenses,  custodian fees,  directors' fees,
organizational  fees,  fidelity  bond  and  other  insurance  premiums,   taxes,
extraordinary  expenses and  the expenses  of reports  and prospectuses  sent to
existing investors.  The allocation  of general  Company expenses  and  expenses
shared among the Fund and other funds organized
    
 
                  Statement of Additional Information Page 28
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
as  series of the  Company are allocated  on a basis  deemed fair and equitable,
which may be based on the relative net  assets of the Fund or the nature of  the
services  performed  and  relative  applicability  to  the  Fund.  Expenditures,
including costs incurred in  connection with the purchase  or sale of  portfolio
securities,   which  are  capitalized  in  accordance  with  generally  accepted
accounting principles applicable to investment  companies, are accounted for  as
capital  items and  not as  expenses. The  ratio of  the Fund's  expenses to its
relative net assets  can be expected  to be  higher than the  expense ratios  of
funds investing solely in domestic securities, since the cost of maintaining the
custody of foreign securities and the rate of investment management fees paid by
the Fund generally are higher than the comparable expenses of such other funds.
 
- --------------------------------------------------------------------------------
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As  described in the Prospectus,  the Fund's net asset  value per share for each
class of shares is determined  at the close of regular  trading on the New  York
Stock  Exchange  ("NYSE") (currently  4:00  p.m. Eastern  Time,  unless weather,
equipment failure or  other factors contribute  to an earlier  closing time)  on
each  business day the NYSE is open  for business. Currently, the NYSE is closed
on weekends and on certain days  relating to the following holidays: New  Year's
Day,  Martin Luther King,  Jr. Day, President's Day,  Good Friday, Memorial Day,
July 4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
The Fund's portfolio securities and other assets are valued as follows:
 
   
Equity securities, including  ADRs, ADSs,  GDRs and  EDRs, which  are traded  on
stock  exchanges, are valued  at the last sale  price on the  exchange or in the
principal over-the-counter market in which such securities are traded, as of the
close of business on  the day the  securities are being  valued or, lacking  any
sales,  at the last available bid price. In cases where securities are traded on
more than one exchange, the securities are valued on the exchange determined  by
the Sub-adviser to be the primary market.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
and asked prices for such  securities or, if such  prices are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a bond pricing service will  be used. Short-term investments are amortized
to maturity  based on  their cost,  adjusted for  foreign exchange  translation,
provided such valuations represent fair value.
    
 
   
Options  on indices, securities and currencies  purchased by the Fund are valued
at their last bid  price in the case  of listed options or,  in the case of  OTC
options,  at the average of  the last bid prices  obtained from dealers unless a
quotation from only one  dealer is available, in  which case only that  dealer's
price  will be used. The value of  each security denominated in a currency other
than U.S. dollars will be translated into U.S. dollars at the prevailing  market
rate  as determined by the  Sub-adviser on that day.  When market quotations for
futures and options  on futures held  by the Fund  are readily available,  those
positions will be valued based upon such quotations.
    
 
   
Securities  and  other  assets  for  which  market  quotations  are  not readily
available (including restricted securities which  are subject to limitations  as
to  their sale) are valued at fair value as determined in good faith by or under
the direction  of the  Company's  Board of  Trustees. The  valuation  procedures
applied  in any specific instance are likely to vary from case to case. However,
consideration generally is  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also generally are considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to  arrive  at the  value  of  the Fund's  total  assets.  The Fund's
liabilities, including  accruals  for  expenses, are  deducted  from  its  total
assets.  Once the total  value of the  Fund's net assets  is so determined, that
value is  then divided  by the  total number  of shares  outstanding  (excluding
treasury  shares), and the result, rounded to  the nearer cent, is the net asset
value per share.
 
                  Statement of Additional Information Page 29
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
Any assets or liabilities initially expressed in terms of foreign currencies are
translated into U.S. dollars at the official exchange rate or at the mean of the
current bid and  asked prices of  such currencies against  the U.S. dollar  last
quoted  by a major  bank that is  a regular participant  in the foreign exchange
market or on the basis of a  pricing service that takes into account the  quotes
provided  by a  number of such  major banks.  If none of  these alternatives are
available, or none are deemed to provide a suitable methodology for converting a
foreign currency into U.S. dollars, the Board of Directors, in good faith,  will
establish a conversion rate for such currency.
 
   
European,  Far Eastern, or Latin American  securities trading may not take place
on all days on which the NYSE is open. Further, trading takes place in  Japanese
markets on certain Saturdays and in various foreign markets on days on which the
NYSE is not open. In addition, trading in securities on European and Far Eastern
securities  exchanges and  OTC markets  generally is  completed well  before the
close of the  business day  in New York.  Consequently, the  calculation of  the
Fund's   net  asset  value  may  not   take  place  contemporaneously  with  the
determination of the prices of securities held by the Fund. Events affecting the
values of portfolio  securities that  occur between  the time  their prices  are
determined and the close of regular trading on the NYSE will not be reflected in
the  Fund's net asset value unless the Sub-adviser, under the supervision of the
Company's  Board  of  Trustees,  determines  that  the  particular  event  would
materially  affect net asset value. As a  result, the Fund's net asset value may
be significantly affected  by such  trading on  days when  a shareholder  cannot
purchase or redeem shares of the Fund.
    
 
- --------------------------------------------------------------------------------
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment  for Class A or  Class B shares purchased  should accompany the purchase
order, or  funds should  be wired  to the  Transfer Agent  as described  in  the
Prospectus. Payment, other than by wire transfer, must be made by check or money
order  drawn on  a U.S.  bank. Checks or  money orders  must be  payable in U.S.
dollars.
 
As a condition of this offering, if an order to purchase either class of  shares
is  cancelled due to nonpayment (for example, on account of a check returned for
"not sufficient funds"), the person who  made the order will be responsible  for
any  loss  incurred by  the Fund  by reason  of such  cancellation, and  if such
purchaser is a shareholder, the  Fund shall have the  authority as agent of  the
shareholder  to redeem shares  in his or  her account at  their then-current net
asset value per  share to reimburse  the Fund for  the loss incurred.  Investors
whose  purchase orders have  been cancelled due to  nonpayment may be prohibited
from placing future orders.
 
   
The Fund  reserves the  right  at any  time to  waive  or increase  the  minimum
requirements applicable to initial or subsequent investments with respect to any
person  or class of persons.  An order to purchase shares  is not binding on the
Fund until it  has been confirmed  in writing  by the Transfer  Agent (or  other
arrangements  made with the Fund, in the  case of orders utilizing wire transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, the Fund reserves the right to reject any offer for a purchase  of
shares by any individual.
    
 
AUTOMATIC INVESTMENT PLAN -- CLASS A SHARES AND CLASS B SHARES
To  establish  participation in  the Fund's  Automatic Investment  Plan ("AIP"),
investors or their broker/dealers should  specify whether investment will be  in
Class  A  shares or  Class  B shares  and send  the  following documents  to the
Transfer Agent: (1) an AIP Application; (2) a Bank Authorization Form; and (3) a
voided personal check from the pertinent  bank account. The necessary forms  are
included  at the back of the Fund's Prospectus. Provided that an investor's bank
accepts the Bank  Authorization Form, investment  amounts will be  drawn on  the
designated dates (monthly on the 25th day or beginning quarterly on the 25th day
of  the  month  the  investor  first selects)  in  order  to  purchase  full and
fractional shares of the  Fund at the public  offering price determined on  that
day.  If the  25th day falls  on a Saturday,  Sunday or holiday,  shares will be
purchased on the next business day.  If an investor's check is returned  because
of  insufficient funds, a stop  payment order or the  account is closed, the AIP
may be discontinued, and any share purchase made upon deposit of such check  may
be  cancelled. Furthermore, the shareholder will be liable for any loss incurred
by the Fund by reason of such cancellation. Investors should allow one month for
the establishment of an AIP. An AIP  may be terminated by the Transfer Agent  or
the  Fund upon thirty  days' written notice  or by the  participant, at any time
without penalty, upon written notice to the Fund or the Transfer Agent.
 
                  Statement of Additional Information Page 30
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
LETTER OF INTENT -- CLASS A SHARES
   
A Letter of Intent ("LOI") is not a binding obligation to purchase the indicated
amount. While Class A shares are held  in escrow under an LOI to ensure  payment
of  applicable sales charges if  the indicated amount is  not met, all dividends
and other distributions on the escrowed shares will be reinvested in  additional
Class A shares or paid in cash, as specified by the shareholder. If the intended
investment  is  not completed  within the  specified thirteen-month  period, the
purchaser must remit to AIM Distributors the difference between the sales charge
actually paid and the sales charge which would have been applicable if the total
Class A purchases had been made at a single time. If this amount is not paid  to
AIM  Distributors  within twenty  days  after written  request,  the appropriate
number of  escrowed  shares  will be  redeemed  and  the proceeds  paid  to  AIM
Distributors.
    
 
   
Any  investor that  entered into a  LOI prior to  June 1, 1998,  under which the
indicated amount is not met, will be  subject to the sales charge schedule  that
was in effect when the LOI was entered into.
    
 
A  registered investment adviser,  trust company or  trust department seeking to
execute an LOI  as a single  purchaser with  respect to accounts  over which  it
exercises  investment discretion is required to  provide the Transfer Agent with
information establishing that it has discretionary authority with respect to the
money invested (e.g., by providing a  copy of the pertinent investment  advisory
agreement).  Class A shares purchased in this manner must be registered with the
Transfer Agent  so that  only the  investment adviser,  trust company  or  trust
department,  and  not the  beneficial  owner, will  be  able to  place purchase,
redemption and exchange orders.
 
   
CONVERSION OF CLASS B SHARES
    
   
Class B shares will automatically convert into Class A shares of the same  Fund.
For  the purpose  of calculating the  holding period required  for conversion of
Class B shares, the initial issuance of  Class B shares shall mean (i) the  date
on  which such Class B  shares were issued, or (ii)  for Class B shares obtained
through an exchange, or a  series of exchanges, the  date on which the  original
Class  B shares  were issued.  For purposes  of conversion  to Class  A, Class B
shares purchased through the reinvestment  of dividends and other  distributions
paid  in respect of Class B shares will  be held in a separate sub-account. Each
time any Class B shares in  the shareholder's regular account (other than  those
in the sub-account) convert to Class A, a pro rata portion of the Class B shares
in  the sub-account will also convert to Class A. The portion will be determined
by the ratio that the shareholder's Class  B shares converting to Class A  bears
to  the shareholder's  total Class B  shares not acquired  through dividends and
other distributions.
    
 
   
The availability  of  the  conversion  feature  is  subject  to  the  continuing
availability of an opinion of counsel to the effect that the dividends and other
distributions   paid  on  Class  A  and  Class  B  shares  will  not  result  in
"preferential dividends" under the Internal  Revenue Code and the conversion  of
shares  does not constitute a taxable event. If the conversion feature ceased to
be available, the Class B shares would not be converted and would continue to be
subject to the higher ongoing expenses of  the Class B shares beyond the  eighth
year.  The Sub-adviser  has no  reason to  believe that  this condition  for the
availability of the conversion feature will not be met.
    
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAs") AND OTHER TAX-DEFERRED PLANS
Class A or Class B shares may  be purchased as the underlying investment for  an
IRA  meeting the requirements  of sections 408(a),  408A or 530  of the Internal
Revenue Code of 1986, as amended  ("Code"), as well as for qualified  retirement
plans  described in Code Section 401  and custodial accounts complying with Code
Section 403(b)(7).
 
   
IRAs: If you have earned income from employment (including self-employment), you
can contribute each year to an IRA up  to the lesser of (1) $2,000 for  yourself
or  $4,000  for  you and  your  spouse,  regardless of  whether  your  spouse is
employed, or (2) 100% of compensation. Some  individuals may be able to take  an
income tax deduction for the contribution. Regular contributions may not be made
for  the year  you become  70 1/2  or thereafter.  Unless you  and your spouse's
earnings exceed  a certain  level, you  may also  establish an  "education  IRA"
and/or  a "Roth  IRA." Although  contributions to  these new  types of  IRAs are
nondeductible,  withdrawals   from  them   will   be  tax-free   under   certain
circumstances.  Please  consult  your  tax  advisor  for  more  information. IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER IRAs: Individuals who  receive distributions from qualified  retirement
plans  (other than  required distributions) and  who wish to  keep their savings
growing tax-deferred  can  roll  over  (or make  a  direct  transfer  of)  their
distribution  to a  Rollover IRA. These  accounts can also  receive rollovers or
transfers from an existing  IRA. If an "eligible  rollover distribution" from  a
qualified  employer-sponsored retirement plan is not  directly rolled over to an
IRA (or  certain  qualified plans),  withholding  at the  rate  of 20%  will  be
required  for federal income tax purposes.  A distribution from a qualified plan
that is not an "eligible  rollover distribution," including a distribution  that
is  one  of a  series  of substantially  equal  periodic payments,  generally is
subject to regular wage withholding or withholding at the rate of 10% (depending
 
                  Statement of Additional Information Page 31
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
on the type and  amount of the  distribution), unless you elect  to to have  any
withholding apply. Please consult your tax advisor for more information.
 
SEP-IRAs:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(b)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(k))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either as separate IRAs or as part of a Code Section 401(k)
plan. SIMPLEs are not  subject to the  complicated nondiscrimination rules  that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
   
Shares  of the Fund  may be exchanged  for shares of  the corresponding class of
other GT Global Mutual  Funds or Class A  shares of funds of  The AIM Family  of
Funds-Registered  Trademark-, based on their respective net asset values without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical.  The exchange privilege is not an  option or right to purchase shares
but is permitted under the current  policies of the respective GT Global  Mutual
Funds  and The AIM Family of Funds. The privilege may be discontinued or changed
at any  time by  any of  those  funds upon  sixty days'  written notice  to  the
shareholders  of the fund and is available only in states where the exchange may
be made legally. Before purchasing shares  through the exercise of the  exchange
privilege,  a shareholder should obtain and read a copy of the prospectus of the
fund to be purchased and should consider its investment objective(s).
    
 
   
THE AIM FAMILY  OF FUNDS,  THE AIM  FAMILY OF FUNDS  AND DESIGN  (I.E., THE  AIM
LOGO),  AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS  AND LA FAMILIA  AIM DE FONDOS  AND DESIGN ARE  REGISTERED
SERVICE  MARKS AND  INVEST WITH DISCIPLINE  AND AIM BANK  CONNECTION ARE SERVICE
MARKS OF A I M MANAGEMENT GROUP INC.
    
 
   
SALES CHARGE WAIVERS FOR SHARES PURCHASED PRIOR TO JUNE 1, 1998
    
   
Class A shares that are subject to  a contingent deferred sales charge and  that
were  purchased before June 1,  1998 are entitled to  the following waivers from
the contingent deferred sales charge otherwise due upon redemption: (1)  minimum
required  distributions made in connection  with a GT Global  IRA, Keogh Plan or
custodial account under  Section 403(b)  of the  Code or  other retirement  plan
following  attainment of age 70 1/2;  (2) total or partial redemptions resulting
from a  distribution  following  retirement  in  the  case  of  a  tax-qualified
employer-sponsored  retirement  plan;  (3)  when  a  redemption  results  from a
tax-free return of an excess contribution  pursuant to Section 408(d)(4) or  (5)
of  the Code or  from the death  or disability of  the employee; (4) redemptions
pursuant to the Fund's right to liquidate a shareholder's account involuntarily;
(5)   redemptions    pursuant   to    distributions   from    a    tax-qualified
employer-sponsored retirement plan, which is invested in GT Global Mutual Funds,
which  are permitted to be made without penalty pursuant to the Code, other than
tax-free rollovers  or  transfers of  assets,  and  the proceeds  of  which  are
reinvested  in GT Global  Mutual Funds; (6) redemptions  made in connection with
participant-directed exchanges between options in an employer-sponsored  benefit
plan; (7) redemptions made for the purpose of providing cash to fund a loan to a
participant  in  a  tax-qualified  retirement  plan;  (8)  redemptions  made  in
connection with  a distribution  from any  retirement plan  or account  that  is
permitted in accordance with the provisions of Section 72(t)(2) of the Code, and
the  regulations promulgated thereunder; (9) redemptions made in connection with
a distribution from any retirement plan  or account that involves the return  of
an  excess deferral amount pursuant to Section 401(k)(8) or Section 402(g)(2) of
the Code;  (10)  redemptions made  in  connection  with a  distribution  from  a
qualified  profit-sharing or stock bonus plan described in Section 401(k) of the
Code to a participant or beneficiary under Section 401(k)(2)(B)(IV) of the  Code
upon   hardship  of  the  covered  employee  (determined  pursuant  to  Treasury
Regulation Section 1.401(k)-1(d)(2)); and  (11) redemptions made  by or for  the
benefit  of  certain  states,  counties  or  cities,  or  any instrumentalities,
departments or authorities thereof where such entities are prohibited or limited
by applicable law from paying a sales charge or commission.
    
 
   
Class B  shares purchased  before June  1,  1998 are  subject to  the  following
waivers  from the contingent deferred sales charge otherwise due upon redemption
in addition to the waivers provided for redemptions of currently issued Class  B
    
 
                  Statement of Additional Information Page 32
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
shares  as  described  in  the  Prospectus:  (1)  total  or  partial redemptions
resulting  from  a  distribution   following  retirement  in   the  case  of   a
tax-qualified  employer-sponsored retirement; (2) minimum required distributions
made in connection with a GT Global  IRA, Keogh Plan or custodial account  under
Section  403(b) of the Code or other retirement plan following attainment of age
70 1/2; (3) a  one-time reinvestment in  Class B shares of  the Fund within  180
days  of a  prior redemption; (4)  redemptions pursuant to  distributions from a
tax-qualified employer-sponsored retirement plan, which is invested in GT Global
Mutual Funds, which  are permitted to  be made without  penalty pursuant to  the
Code,  other than tax-free rollovers or transfers of assets, and the proceeds of
which are  reinvested  in  GT  Global Mutual  Funds;  (5)  redemptions  made  in
connection   with   participant-directed   exchanges  between   options   in  an
employer-sponsored benefit  plan;  (6)  redemptions  made  for  the  purpose  of
providing  cash to fund  a loan to  a participant in  a tax-qualified retirement
plan; (7) redemptions made in connection with a distribution from any retirement
plan or account that is permitted  in accordance with the provisions of  Section
72(t)(2)   of  the  Code,  and   the  regulations  promulgated  thereunder;  (8)
redemptions  made  in   connection  with   a  distribution   from  a   qualified
profit-sharing  or stock bonus plan described in Section 401(k) of the Code to a
participant or  beneficiary  under Section  401(k)(2)(B)(IV)  of the  Code  upon
hardship  of the  covered employee  (determined pursuant  to Treasury Regulation
Section 1.401(k)-1(d)(2)); and  (9) redemptions made  by or for  the benefit  of
certain  states, counties  or cities,  or any  instrumentalities, departments or
authorities thereof where such entities are prohibited or limited by  applicable
law from paying a sales charge or commission.
    
 
TELEPHONE REDEMPTIONS
A  corporation or partnership  wishing to utilize  telephone redemption services
must submit a "Corporate Resolution" or "Certificate of Partnership"  indicating
the names, titles and the required number of signatures of persons authorized to
act  on  its  behalf.  The  certificate must  be  signed  by  a  duly authorized
officer(s) and,  in  the case  of  a corporation,  the  corporate seal  must  be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank  wire upon request directly to the shareholder's predesignated account at a
domestic bank or savings institution, if  the proceeds are at least $500.  Costs
in  connection with the administration of  this service, including wire charges,
currently are borne by the  Fund. Proceeds of less than  $500 will be mailed  to
the  shareholder's registered address of record. The Fund and the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
 
SYSTEMATIC WITHDRAWAL PLAN
Shareholders  owning Class A or  Class B shares with a  value of $10,000 or more
may establish a Systematic Withdrawal Plan  ("SWP"). Under a SWP, a  shareholder
will receive monthly or quarterly payments, in amounts of not less than $100 per
payment,  through the automatic redemption of  the necessary number of shares on
the designated dates (monthly on the 25th day or beginning quarterly on the 25th
day of  the month  the investor  first  selects). If  the 25th  day falls  on  a
Saturday,  Sunday  or  holiday, the  redemption  will  take place  on  the prior
business day. Certificates, if any, for  the shares being redeemed must be  held
by  the Transfer Agent. Checks will be  made payable to the designated recipient
and mailed within  seven days.  If the recipient  is other  than the  registered
shareholder,  the signature  of each shareholder  must be guaranteed  on the SWP
application (see "How to  Redeem Shares" in the  Prospectus). A corporation  (or
partnership)  also must submit  a "Corporation Resolution"  or "Certification of
Partnership" indicating  the names,  titles and  signatures of  the  individuals
authorized  to act on  its behalf, and the  SWP application must  be signed by a
duly authorized officer(s) and the corporate seal affixed.
 
With respect to a SWP, the maximum  annual SWP withdrawal is 12% of the  initial
account  value.  Withdrawals  in excess  of  12%  of the  initial  account value
annually may result  in assessment of  a contingent deferred  sales charge.  See
"How to Invest" in the Prospectus.
 
Shareholders should be aware that such systematic withdrawals may deplete or use
up entirely the initial investment and result in the realization of long-term or
short-term capital gains or losses. The SWP may be terminated at any time by the
Transfer  Agent or the Fund upon thirty days' written notice or by a shareholder
upon written notice to the Fund or the Transfer Agent. Applications and  further
details  regarding establishment of a SWP are provided at the back of the Fund's
Prospectus.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The Fund may suspend redemption privileges  or postpone the date of payment  for
more  than seven days after a redemption order is received during any period (1)
when the NYSE is  closed other than customary  weekend and holiday closings,  or
trading  on the NYSE is restricted as directed by the SEC, (2) when an emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Fund to dispose of securities  owned by it or fairly  to determine the value  of
its assets, or (3) as the SEC may otherwise permit.
 
                  Statement of Additional Information Page 33
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board of Trustees, make it undesirable for the Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be made  in portfolio  securities or other  property of  the Fund,  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  the  Fund  will  pay in  cash  all  requests for  redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the lesser of $250,000 or 1% of the net asset value  of
the  Fund at the beginning of such  period. This election will be irrevocable so
long as Rule 18f-1 remains in effect,  unless the SEC by order upon  application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 34
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To  continue to  qualify for treatment  as a RIC  under the Code,  the Fund must
distribute to  its  shareholders for  each  taxable year  at  least 90%  of  its
investment  company  taxable  income  (consisting  generally  of  net investment
income, net short-term capital gain and net gains from certain foreign  currency
transactions)  ("Distribution  Requirement")  and must  meet  several additional
requirements. These requirements include the following: (1) the Fund must derive
at least 90%  of its gross  income each taxable  year from dividends,  interest,
payments  with respect  to securities  loans and  gains from  the sale  or other
disposition of  securities or  foreign currencies,  or other  income  (including
gains  from options, Futures  or Forward Contracts) derived  with respect to its
business of investing in securities or those currencies ("Income  Requirement");
(2) at the close of each quarter of the Fund's taxable year, at least 50% of the
value  of its  total assets  must be  represented by  cash and  cash items, U.S.
government securities, securities of other RICs and other securities, with these
other securities limited, in respect of any  one issuer, to an amount that  does
not  exceed  5% of  the  value of  the  Fund's total  assets  and that  does not
represent more than 10% of the  issuer's outstanding voting securities; and  (3)
at  the close of each quarter  of the Fund's taxable year,  not more than 25% of
the value of its  total assets may  be invested in  securities (other than  U.S.
government securities or the securities of other RICs) of any one issuer.
 
Dividends  and  other distributions  declared  by the  Fund  in, and  payable to
shareholders of record as  of a date  in, October, November  or December of  any
year  will  be  deemed  to have  been  paid  by  the Fund  and  received  by the
shareholders on December 31 of  that year if the  distributions are paid by  the
Fund  during  the following  January. Accordingly,  those distributions  will be
taxed to shareholders for the year in which that December 31 falls.
 
A portion of  the dividends from  the Fund's investment  company taxable  income
(whether  paid in cash or  reinvested in additional shares)  may be eligible for
the dividends-received deduction allowed  to corporations. The eligible  portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If Fund shares are sold at a loss  after being held for six months or less,  the
loss  will be treated as  long-term, instead of short-term,  capital loss to the
extent of any  capital gain  distributions received on  those shares.  Investors
also should be aware that if shares are purchased shortly before the record date
for  any dividend or other distribution, the shareholder will pay full price for
the shares and receive some portion of the price back as a taxable distribution.
 
The Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to  the
extent  it fails to distribute by the end of any calendar year substantially all
of its  ordinary income  for  that year  and capital  gain  net income  for  the
one-year period ending on October 31 of that year, plus certain other amounts.
 
FOREIGN TAXES
Dividends  and interest received by the Fund, and gains realized thereby, may be
subject to income, withholding or other  taxes imposed by foreign countries  and
U.S.  possessions ("foreign  taxes") that  would reduce  the yield  and/or total
return on  its securities.  Tax conventions  between certain  countries and  the
United  States may reduce or eliminate  foreign taxes, however, and many foreign
countries do not  impose taxes  on capital gains  in respect  of investments  by
foreign  investors. If more than 50% of the  value of the Fund's total assets at
the close of its  taxable year consists of  securities of foreign  corporations,
the  Fund  will be  eligible to,  and may,  file an  election with  the Internal
Revenue Service that  will enable its  shareholders, in effect,  to receive  the
benefit  of the foreign tax credit with respect to any foreign taxes paid by it.
Pursuant to the election, the Fund would treat those taxes as dividends paid  to
its  shareholders and each shareholder would be required to (1) include in gross
income, and treat as paid by him, his share of those taxes, (2) treat his  share
of  those taxes and of any dividend paid by the Fund that represents income from
foreign and U.S. possessions  sources as his own  income from those sources  and
(3)  either deduct the taxes deemed paid  by him in computing his taxable income
or, alternatively, use the foregoing information in calculating the foreign  tax
credit  against his federal income tax. The Fund will report to its shareholders
shortly after each taxable  year their respective shares  of the Fund's  foreign
taxes  and income from sources within, and  taxes paid to, foreign countries and
U.S. possessions if it makes this election. Pursuant to the Taxpayer Relief  Act
of  1997 ("Tax Act"), individuals  who have no more  than $300 ($600 for married
persons filing jointly) of  creditable foreign taxes included  on Form 1099  and
all  of whose foreign source  of income is "qualified  passive income" may elect
 
                  Statement of Additional Information Page 35
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
each year  to  be exempt  from  the  extremely complicated  foreign  tax  credit
limitation and will be able to claim a foreign tax credit without having to file
the detailed Form 1116 that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The  Fund  may invest  in the  stock of  "passive foreign  investment companies"
("PFICs"). A PFIC is a foreign  corporation -- other than a "controlled  foreign
corporation"  (I.E.,  a foreign  corporation  in which,  on  any day  during its
taxable year,  more than  50% of  the total  voting power  of all  voting  stock
therein  or the total value of all  stock therein is owned, directly, indirectly
or constructively, by  "U.S. shareholders,"  defined as U.S.  persons that  own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which  the Fund is a U.S. shareholder  (effective for its taxable year beginning
November 1, 1998) -- that, in general, meets either of the following tests:  (1)
at least 75% of its gross income is passive or (2) an average of at least 50% of
its  assets produce, or  are held for  the production of,  passive income. Under
certain circumstances,  the Fund  will be  subject to  federal income  tax on  a
portion  of  any "excess  distribution" received  on,  or of  any gain  from the
disposition of,  stock of  a PFIC  (collectively "PFIC  income"), plus  interest
thereon,  even if the Fund distributes the  PFIC income as a taxable dividend to
its shareholders. The balance of the PFIC income will be included in the  Fund's
investment company taxable income and, accordingly, will not be taxable to it to
the extent it distributes that income to its shareholders.
 
If  the Fund  invests in a  PFIC and  elects to treat  the PFIC  as a "qualified
electing fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and  interest
obligation,  the Fund would be  required to include in  income each year its pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of net long-term capital  gain over net short-term  capital loss) -- which  most
likely  would have  to be  distributed by the  Fund to  satisfy the Distribution
Requirement and avoid imposition of the Excise Tax -- even if those earnings and
gain were not received by  the Fund from the QEF.  In most instances it will  be
very  difficult, if  not impossible,  to make  this election  because of certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark to market" its  stock in any PFIC.  "Marking-to-market," in this  context,
means  including in ordinary income each taxable year the excess, if any, of the
fair market value of the stock over the Fund's adjusted basis therein as of  the
end  of that year.  Pursuant to the election,  the Fund also  will be allowed to
deduct (as an ordinary, not capital, loss)  the excess, if any, of its  adjusted
basis  in  PFIC stock  over  the fair  market value  thereof  as of  the taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that stock included in income  by the Fund for  prior taxable years. The  Fund's
adjusted  basis in each PFIC's stock subject to the election will be adjusted to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations  proposed in 1992  would provide a similar  election with respect to
the stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends paid by the Fund to a shareholder  who, as to the United States, is  a
nonresident  alien individual, nonresident alien fiduciary of a trust or estate,
foreign corporation  or foreign  partnership ("foreign  shareholder")  generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder  that is "effectively connected with the  conduct of a U.S. trade or
business," in which case the  reporting and withholding requirements  applicable
to  domestic shareholders will apply. A distribution  of net capital gain by the
Fund to a foreign shareholder generally  will be subject to U.S. federal  income
tax  (at the rates applicable  to domestic persons) only  if the distribution is
"effectively connected"  or the  foreign shareholder  is treated  as a  resident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options  and Futures and entering into Forward Contracts, involves complex rules
that will determine, for federal income tax purposes, the amount, character  and
timing  of recognition of the  gains and losses the  Fund realizes in connection
therewith. Gains  from the  disposition of  foreign currencies  (except  certain
gains  that  may be  excluded by  future regulations),  and gains  from options,
Futures and Forward Contracts derived by  the Fund with respect to its  business
of  investing in securities  or foreign currencies,  will qualify as permissible
income under the Income Requirement.
 
Futures and  Forward Contracts  that are  subject to  section 1256  of the  Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and  that are  held by  the  Fund at  the end  of its  taxable  year
generally  will be deemed to  have been sold at  market value for federal income
tax purposes. Sixty percent of any net  gain or loss recognized on these  deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256  Contracts, will  be treated  as long-term  capital gain  or loss,  and the
balance will be treated as  short-term capital gain or loss.  As of the date  of
preparation  of this  Statement of  Additional Information,  it is  not entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the  15%
marginal  tax bracket) for gain recognized on  capital assets held for more than
18 months -- instead of  the 28% rate in  effect before that legislation,  which
now applies to gain recognized on capital assets held for more than one year but
not more than
 
                  Statement of Additional Information Page 36
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
18  months, although  technical corrections legislation  passed by  the House of
Representatives late in 1997 would treat it as qualifying therefor.
 
Section 988 of the Code also may apply to gains and losses from transactions  in
foreign  currencies, foreign-currency-denominated  debt securities  and options,
Futures and Forward  Contracts on  foreign currencies ("Section  988" gains  and
losses).  Each Section  988 gain  or loss  generally is  computed separately and
treated as ordinary income or loss. In the case of overlap between sections 1256
and 988, special provisions  determine the character and  timing of any  income,
gain  or loss. The Fund attempts to monitor section 988 transactions to minimize
any adverse tax impact.
 
If the Fund has  an "appreciated financial position"  -- generally, an  interest
(including  an interest through an option,  Futures or Forward Contract or short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership interest the fair market value  of which exceeds its adjusted  basis
- --  and enters into a  "constructive sale" of the  same or substantially similar
property, the Fund will be treated as  having made an actual sale thereof,  with
the  result  that gain  will be  recognized  at that  time. A  constructive sale
generally consists of a short sale, an offsetting notional principal contract or
Futures or Forward Contract entered  into by the Fund  or a related person  with
respect  to  the same  or substantially  similar property.  In addition,  if the
appreciated financial  position is  itself  a short  sale  or such  a  contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The  foregoing  is a  general  and abbreviated  summary  of certain  federal tax
considerations affecting the Fund and  its shareholders. Investors are urged  to
consult their own tax advisers for more detailed information and for information
regarding  any  foreign,  state  and  local  taxes  applicable  to distributions
received from the Fund.
 
- --------------------------------------------------------------------------------
 
   
                             ADDITIONAL INFORMATION
    
 
- --------------------------------------------------------------------------------
   
AIM was organized in 1976, and  along with its subsidiaries, manages or  advises
over  50 investment company portfolios encompassing  a broad range of investment
objectives. AIM is a direct, wholly owned  subsidiary of A I M Management  Group
Inc.  ("AIM  Management"),  a  holding  company that  has  been  engaged  in the
financial services  business since  1976. AIM  is the  sole shareholder  of  the
Fund's  principal underwriter, AIM  Distributors. AIM Management  is an indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England. AMVESCAP  PLC  and  its  subsidiaries  are  an  independent  investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
Worldwide asset management affiliates also currently include GT Asset Management
Inc.  in Toronto, Canada; GT  Asset Management PLC in  London, England; GT Asset
Management Ltd.  in Hong  Kong; GT  Asset  Management Ltd.  in Tokyo;  GT  Asset
Management  Pte. Ltd. in Singapore;  GT Asset Management Ltd.  in Sydney; and GT
Asset Management GmbH in Frankfurt, Germany.
    
 
CUSTODIAN
State Street  Bank and  Trust  Company ("State  Street"), 225  Franklin  Street,
Boston,  MA  02110, acts  as custodian  of  the Fund's  assets. State  Street is
authorized to  establish  and  has  established  separate  accounts  in  foreign
currencies  and to cause securities of the  Fund to be held in separate accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The Fund's independent accountants are                        , One Post  Office
Square, Boston, MA 02109.                        conducts an annual audit of the
Fund,  assists in  the preparation  of the Fund's  federal and  state income tax
returns and consults with the Company and the Fund as to matters of  accounting,
regulatory filings, and federal and state income taxation.
    
 
The  audited financial statements  of the Company included  in this Statement of
Additional Information have been examined by Coopers & Lybrand L.L.P., as stated
in their opinion appearing herein and are included in reliance upon such opinion
given upon the authority of that firm as experts in accounting and auditing.
 
USE OF NAME
   
The Sub-adviser  has granted  the Company  the right  to use  the "GT"  and  "GT
Global"  names and has reserved the right to  withdraw its consent to the use of
such names by the Company and/or  the Fund at any time,  or to grant the use  of
such names to any other company.
    
 
                  Statement of Additional Information Page 37
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
   
STANDARDIZED  RETURNS The Fund's  "Standardized Returns," as  referred to in the
Prospectus  (see  "Other   Information  --  Performance   Information"  in   the
Prospectus),  are calculated separately  for Class A  and Class B  shares of the
Fund, as follows:  Standardized Return  (average annual total  return ("T"))  is
computed  by using the ending redeeming  value ("ERV") of a hypothetical initial
investment of  $1,000  ("P") over  a  period of  years  ("n") according  to  the
following  formula as required by the SEC: P(1+T)  to the (n)th power = ERV. The
following assumptions will be reflected in computations made in accordance  with
this  formula: (1) for Class A shares,  deduction of the maximum sales charge of
4.75% from the $1,000 initial investment;  (2) for Class B shares, deduction  of
the applicable contingent deferred sales charge imposed on a redemption of Class
B  shares  held  for  the  period;  (3)  reinvestment  of  dividends  and  other
distributions at net  asset value  on the  reinvestment date  determined by  the
Company's  Board of Trustees;  and (4) a  complete redemption at  the end of any
period illustrated.
    
 
The Standardized Returns  of the Predecessor  Fund (recomputed for  Class A  and
Class B shares to reflect the deduction of the maximum sales charge of 4.75% for
Class  A shares  and the deduction  of the applicable  contingent deferred sales
charge for Class B shares), stated  as average annualized total returns for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                   DEVELOPING     DEVELOPING
                                                                                  MARKETS FUND   MARKETS FUND
PERIOD                                                                             (CLASS A)      (CLASS B)
- --------------------------------------------------------------------------------  ------------   ------------
<S>                                                                               <C>            <C>
Fiscal year ended Oct. 31, 1997.................................................     (9.61)%        (9.68)%
Jan. 11, 1994 (commencement of operations) through Oct. 31, 1997................     (2.47)%        (1.90)%
</TABLE>
 
NON-STANDARDIZED  RETURNS In addition to Standardized Returns, the Fund may also
include in advertisements, sales literature and shareholder reports other  total
return  performance data ("Non-Standardized Return"). Non-Standardized Return is
calculated separately for  Class A and  Class B shares  of the Fund  and may  be
calculated according to several different formulas. Non-Standardized Returns may
be  quoted for the same or different time periods for which Standardized Returns
are quoted. Non-Standardized  Returns may  or may  not take  sales charges  into
account;  performance data calculated without taking the effect of sales charges
into account will be higher than data including the effect of such charges.
 
Average annual Non-Standardized  Return ("T")  is computed by  using the  ending
redeeming  value ("ERV")  of a hypothetical  initial investment  of $1,000 ("P")
over a period of years ("n") according  to the following formula as required  by
the  SEC: P(1+T)  to the (n)th  power =  ERV. The following  assumptions will be
reflected in computations made in accordance with this formula: (1) no deduction
of sales charges; (2) reinvestment of  dividends and other distributions at  net
asset value on the reinvestment date determined by the Board; and (3) a complete
redemption at the end of any period illustrated.
 
The  average annual Non-Standardized Returns of  the Predecessor Fund, stated as
average annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
PERIOD
- --------------------------------------------------------------------------------
<S>                                                                               <C>
Fiscal year ended Oct. 31, 1997.................................................     (5.10)%
Jan. 11, 1994 (commencement of operations) through Oct. 31, 1997................     (1.21)%
</TABLE>
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to the following  formula: T =  (VOA/P)-1. Aggregate Non-Standardized
Return assumes reinvestment  of dividends  and other distributions  and, as  set
forth below, may or may not take sales charge into account.
 
The aggregate Non-Standardized Return of the Predecessor Fund (not recomputed to
take  sales charges into account) for  the period January 11, 1994 (commencement
of operations) through October 31, 1997 was (4.53)%.
 
                  Statement of Additional Information Page 38
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
The aggregate Non-Standardized  Returns of the  Predecessor Fund (recomputed  to
take  sales  charges into  account) stated  as aggregate  total returns  for the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                   DEVELOPING     DEVELOPING
                                                                                  MARKETS FUND   MARKETS FUND
PERIOD                                                                             (CLASS A)      (CLASS B)
- --------------------------------------------------------------------------------  ------------   ------------
<S>                                                                               <C>            <C>
Jan. 11, 1994 (commencement of operations) through Oct. 31, 1997................     (9.07)%        (7.04)%
</TABLE>
 
OTHER INFORMATION REGARDING STANDARDIZED AND NON-STANDARDIZED RETURNS
The Standardized and Non-Standardized Return  Data are based on the  performance
of  the Predecessor  Fund as a  closed-end investment  company. The Standardized
Return Data,  however, have  been recomputed  to reflect  the deduction  of  the
current  maximum sales charge of  4.75% for Class A  shares and the deduction of
the applicable deferred sales charge of 5.00% for Class B shares, both of  which
went  into effect on  November 1, 1997.  Future performance of  the Fund will be
effected by expenses that it  will incur as a  series of an open-end  investment
company.  An investor's  actual return  may also  be affected  by the  Fund's 2%
redemption fee, which will be imposed on certain redemptions and exchanges until
May 1, 1998.
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
The Fund and AIM  Distributors may from time  to time, in advertisements,  sales
literature and reports furnished to present or prospective shareholders, compare
the Fund with the following, among others:
    
 
        (1)  The Consumer Price Index ("CPI"), which is a measure of the average
    change in prices over time  in a fixed market  basket of goods and  services
    (e.g.,  food, clothing,  shelter, fuels,  transportation fares,  charges for
    doctors' and dentists' services, prescription medicines, and other goods and
    services that people  buy for  day-to-day living). There  is inflation  risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2)  Data and mutual fund rankings and comparisons published or prepared
    by  Lipper  Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger
    Investment   Company   Services   ("CDA/Wiesenberger")   Morningstar,   Inc.
    ("Morningstar"), Micropal,  Inc. and/or  other  companies that  rank  and/or
    compare  mutual funds by overall performance, investment objectives, assets,
    expense levels, periods of existence  and/or other factors. In this  regard,
    the  Fund  may  be  compared  to its  "peer  group"  as  defined  by Lipper,
    CDA/Wiesenberger and/or other firms, as applicable, or to specific funds  or
    groups of funds within or outside of such peer group. Lipper generally ranks
    funds  on the basis of total return, assuming reinvestment of distributions,
    but does not take sales charges  or redemption fees into consideration,  and
    is  prepared without regard  to tax consequences. In  addition to the mutual
    fund rankings,  the  Fund's  performance  may be  compared  to  mutual  fund
    performance  indices prepared by Lipper. Morningstar is a mutual fund rating
    service  that  also  rates  mutual  funds  on  the  basis  of  risk-adjusted
    performance.  Morningstar ratings are  calculated from a  fund's three, five
    and ten year average annual returns  with appropriate fee adjustments and  a
    risk  factor that reflects fund performance relative to the three-month U.S.
    Treasury bill monthly  returns. Ten percent  of the funds  in an  investment
    category  receive five stars  and 22.5% receive four  stars. The ratings are
    subject to change each month.
 
        (3) Bear  Stearns  Foreign Bond  Index,  which provides  simple  average
    returns for individual countries and gross national product ("GNP") weighted
    index,  beginning in 1975. The  returns are broken down  by local market and
    currency.
 
        (4) Ibbotson  Associates  International  Bond Index,  which  provides  a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized  index  composed of  the  capitalization-weighted average  of the
    price of 500 of the largest publicly traded stocks in the United States.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index ("EAFE Index").  The EAFE  index is an  unmanaged index  of more  than
    1,000 companies in Europe, Australia and the Far East.
 
                  Statement of Additional Information Page 39
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
        (9)  Morgan Stanley Capital  International All Country  (AC) World index
    ("MSCI"). The  MSCI is  a broad,  unmanaged index  of global  stock  prices,
    currently  comprising 2,500 different issuers,  located in 47 countries, and
    grouped in 38 separate industries.
 
       (10) Salomon Brothers  World Government Bond  Index and Salomon  Brothers
    World  Government Bond Index-Non-U.S., each of  which is a widely used index
    composed of world government bonds.
 
       (11) The  World  Bank  Publication  of  Trends  in  Developing  Countries
    ("TIDE"), which provides brief reports on most of the World Bank's borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunications companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval  service  for information,  including international  financial and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
       (17)  Various publications produced  by ratings agencies  such as Moody's
    Investors  Service  ("Moody's"),  Standard  &  Poor's,  a  division  of  The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18)  Wilshire Associates, which is an on-line database for international
    financial and economic data including  performance measure for a wide  range
    of securities.
 
       (19)  Bank Rate National Monitor Index, which is an average of the quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20) International  Finance  Corporation ("IFC")  Emerging  Markets  Data
    Base,  which  provides  detailed statistics  on  stock and  bond  markets in
    developing countries.
 
       (21) Various publications from the Organization for Economic  Cooperation
    and Development ("OECD").
 
       (22)  Average of  savings accounts,  which is a  measure of  all kinds of
    savings deposits, including longer-term certificates. Savings accounts offer
    a guaranteed rate  of return on  principal, but no  opportunity for  capital
    growth.  During a  portion of  the period,  the maximum  rates paid  on some
    savings deposits were fixed by law.
 
   
Indices, economic and  financial data  prepared by the  research departments  of
various  financial organizations such as Salomon Brothers Inc., Lehman Brothers,
Inc.,  Merrill  Lynch,  Pierce,  Fenner   &  Smith,  Inc.,  Financial   Research
Corporation,  J. P. Morgan,  Morgan Stanley, Dean Witter,  Discover & Co., Smith
Barney Shearson,  S.G. Warburg,  Jardine Flemming,  The Bank  for  International
Settlements, Asian Development Bank, Bloomberg, L.P. and Ibbotson Associates may
be  used,  as  well as  information  reported  by the  Federal  Reserve  and the
respective central banks of various  nations. In addition, AIM Distributors  may
use  performance  rankings,  ratings  and  commentary  reported  periodically in
national financial publications, including Money Magazine, Mutual Fund Magazine,
Smart Money,  Global  Finance,  EuroMoney,  Financial  World,  Forbes,  Fortune,
Business  Week, Latin Finance, The Wall Street Journal, Emerging Markets Weekly,
Kiplinger's Guide To Personal Finance, Barron's, The Financial Times, USA Today,
The New York  Times, Far Eastern  Economic Review, The  Economist and  Investors
Business  Digest.  The  Fund  may  compare  its  performance  to  that  of other
compilations or indices of  comparable quality to those  listed above and  other
indices that may be developed and made available in the future.
    
 
   
Information   relating  to   foreign  market   performance,  capitalization  and
diversification is based on sources believed  to be reliable but may be  subject
to  revision  and  has  not  been independently  verified  by  the  Fund  or AIM
Distributors. The  authors  and  publishers  of such  material  are  not  to  be
considered  as "experts" under the 1933 Act, on account of the inclusion of such
information herein.
    
 
A portion of the  performance figures for each  market includes the positive  or
negative effects of the currency exchange rates effective at December 31 of each
year  between the U.S. dollar and currency of the foreign market (e.g., Japanese
Yen, German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that  has
strengthened  or weakened against the U.S.  dollar will positively or negatively
affect the reported returns, as the case may be.
 
                  Statement of Additional Information Page 40
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
AIM Distributors  believes that  this  information may  be useful  to  investors
considering  whether and to  what extent to  diversify their investments through
the purchase of mutual funds investing in securities on a global basis. However,
this data is not a representation of the past performance of the Fund, nor is it
a prediction of such performance. The  performance of the Fund will differ  from
the  historical performance of relevant indices. The performance of indices does
not  take  expenses  into  account,  while  the  Fund  incurs  expenses  in  its
operations,  which will reduce performance. Each of these factors will cause the
performance of the Fund to differ from relevant indices.
    
 
   
From time to  time, the Fund  and AIM Distributors  may refer to  the number  of
shareholders  in the  Fund or  the aggregate  number of  shareholders in  all GT
Global Mutual Funds  or the  dollar amount of  Fund assets  under management  or
rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM  Distributors believes the  Fund is an  appropriate investment for long-term
investment  goals,  including  funding  retirement,  paying  for  education   or
purchasing  a house. AIM  Distributors may provide  information designed to help
individuals understand  their investment  goals  and explore  various  financial
strategies.  For example,  AIM Distributors  may describe  general principles of
investing, such as  asset allocation,  diversification and  risk tolerance.  The
Fund  does not  represent a  complete investment  program, and  investors should
consider the  Fund as  appropriate for  a portion  of their  overall  investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From  time to time, AIM Distributors may refer to or advertise the names of U.S.
and non-U.S. companies and  their products, although there  can be no  assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets  is based  on  the returns  of  different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to  demonstrate  general  risk-versus-reward  investment  scenarios. Performance
comparisons may also include  the value of a  hypothetical investment in any  of
these  capital  markets. The  risks associated  with the  security types  in any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Fund.
 
The Fund may quote various measures of volatility and benchmark correlation such
as beta, standard deviation and R(2)  in advertising. In addition, the Fund  may
compare  these measures to those of other  funds. Measures of volatility seek to
compare the Fund's historical share price fluctuations or total return to  those
of a benchmark.
 
The  Fund may  advertise examples of  the effects of  periodic investment plans,
including the principle of dollar cost averaging programs. In such a program, an
investor invests  a fixed  dollar  amount in  the  Fund at  periodic  intervals,
thereby purchasing fewer shares when prices are high and more shares when prices
are low. While such a strategy does not assure a profit or guard against loss in
a  declining market, the investor's average cost  per share can be lower than if
fixed numbers of shares are purchased at the same intervals. In evaluating  such
a  plan, investors should  consider their ability  to continue purchasing shares
through periods of low price levels.
 
The Fund may describe in its  sales material and advertisements how an  investor
may  invest in GT Global Mutual Funds  through various retirement plans or other
programs that offer deferral of income taxes on investment earnings and pursuant
to which  an  investor  may  make deductible  contributions.  Because  of  their
advantages,  these retirement plans and programs may produce returns superior to
comparable non-retirement investments. For example, a $10,000 investment earning
a taxable return of 10% annually would have an after-tax value of $17,976  after
ten  years, assuming tax was deducted from the return each year at a 39.6% rate.
An equivalent tax-deferred investment would  have an after-tax value of  $19,626
after  ten years, assuming  tax was deducted  at a 39.6%  rate from the deferred
earnings  at  the   end  of  the   ten-year  period.  In   sales  material   and
advertisements,  the  Fund  may  also  discuss  these  plans  and  programs. See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM Distributors may  from time  to time in  its sales  methods and  advertising
discuss  the risks inherent in investing. The major types of investment risk are
market risk, industry risk, credit risk, interest rate risk and inflation  risk.
Risk represents the possibility that you may lose some or all of your investment
over  a period of time. A basic tenet  of investing is the greater the potential
reward, the greater the risk.
    
 
                  Statement of Additional Information Page 41
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
From time  to  time,  the  Fund and  AIM  Distributors  will  quote  information
regarding  industry, individual  countries, regions,  world stock  exchanges and
economic  and  demographic  statistics  from  sources  AIM  Distributors   deems
reliable,  including the economic and financial data of financial organizations,
such as:
    
 
 1) Stock market  capitalization:  Morgan Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 2) Stock  market trading volume: Morgan  Stanley Capital International Industry
    Indices and IFC.
 
 3) The number of  listed companies: IFC,  G.T. Guide to  World Equity  Markets,
    Salomon Brothers, Inc., and S.G. Warburg.
 
 4) Wage  rates: U.S. Department of Labor  Statistics and Morgan Stanley Capital
    International World Indices.
 
 5) International industry  performance:  Morgan Stanley  Capital  International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock   market  performance:  Morgan  Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 7) The Consumer Price Index and inflation rate: The World Bank, Datastream  and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry or market: IFC, G.T. Guide to World
    Equity Markets, Salomon Brothers, Inc., and S.G. Warburg.
 
15) Foreign  direct  investments to  developing  countries: The  World  Bank and
    Datastream.
 
16) Supply, consumption,  demand  and  growth in  demand  of  certain  products,
    services  and industries, including, but not limited to, electricity, water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources of such information may include,  but would not be limited to,  The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard  deviation and performance returns for U.S. and non-U.S. equity and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries restructuring their  debt, including those  under the Brady  Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government  and corporate  bonds --  credit ratings,  yield to  maturity and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From time to time, AIM Distributors may include in its advertisements and  sales
material,   information  about  privatization,  which  is  an  economic  process
involving the sale of state-owned companies to the private sector.
    
 
   
In advertising and sales  materials, AIM Distributors may  make reference to  or
discuss  its products, services and accomplishments. Among these accomplishments
are that in 1983 the Sub-adviser  provided assistance to the government of  Hong
Kong  in  linking its  currency to  the U.S.  dollar, and  that in  1987 Japan's
Ministry of  Finance licensed  GT Asset  Management  Ltd. as  one of  the  first
foreign   discretionary  investment   managers  for   Japanese  investors.  Such
accomplishments, however,  should  not  be  viewed  as  an  endorsement  of  the
Sub-adviser  by the government of Hong Kong,  Japan's Ministry of Finance or any
other government or government  agency. Nor do any  such accomplishments of  the
Sub-adviser  provide any assurance  that the GT  Global Mutual Funds' investment
objectives will be achieved.
    
 
                  Statement of Additional Information Page 42
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
[GT GLOBAL ADVANTAGE
    
As part of Liechtenstein Global Trust,  GT Global continues a 75-year  tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine offices  worldwide,  we  witness world  events  and  economic  developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The  key to achieving  consistent results is  following a disciplined investment
process. Our  approach  to  asset  allocation takes  advantage  of  GT  Global's
worldwide   presence  and  global  perspective.  Our  "macroeconomic"  worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up process  of  security  selection combines  fundamental  research  with
quantitative analysis through our proprietary models.
 
Built-in  checks  and balances  strengthen  the process,  enhancing professional
experience and judgment with an  objective assessment of risk. Ultimately,  each
security  we select has passed  a ranking system that  helps our portfolio teams
determine when to buy and when to  sell. With respect to stocks, a global  stock
research  ("GSR") database developed  by GT Global is  utilized in the selection
process. All stocks  within the GSR  database are systematically  ranked by  our
analysts on a 1-5 basis with 1 representing the most favored. The rankings along
with  our quantitative, fundamental research,  determine which stocks are bought
and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
                  Statement of Additional Information Page 43
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are  rated lower than the best bond because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during other good and bad times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
    1. An application for rating was not received or accepted.
 
    2. The issue or issuer  belongs to a group  of securities or companies  that
are not rated as a matter of policy.
 
    3. There is a lack of essential data pertaining to the issue or issuer.
 
    4. The issue was privately placed, in which case the rating is not published
in Moody's publications.
 
Suspension  or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data  to permit  a judgment  to be  formed; if  a bond  is
called for redemption; or for other reasons.
 
                  Statement of Additional Information Page 44
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
Note:  Moody's applies numerical  modifiers, 1, 2  and 3 in  each generic rating
classification from Aa to Caa. The  modifier 1 indicates that the Company  ranks
in  the higher end  of its generic  rating category; the  modifier 2 indicates a
mid-range ranking; and the  modifier 3 indicates that  the Company ranks in  the
lower end of its generic rating category.
 
    STANDARD  & POOR'S, a  division of The  McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various  entities in categories ranging from  "AAA"
to  "D"  according  to quality.  Investment  grade  ratings are  the  first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA  --  An  obligation  rated  "AA"  differs  from  the  highest   rated
    obligations  only  in a  small degree.  The obligor's  capacity to  meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB  --  An   obligation  rated  "BBB"   exhibits  adequate   protection
    parameters.  However, adverse economic  conditions or changing circumstances
    are more likely to lead  to a weakened capacity of  the obligor to meet  its
    financial commitment on the obligation.
 
        BB,  B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and "C"
    are  regarded  as  having  significant  speculative  characteristics.   "BB"
    indicates  the least degree  of speculation and "C"  the highest. While such
    obligations will likely  have some quality  and protective  characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB  -- An  obligation rated "BB"  is less vulnerable  to nonpayment than
    other speculative issues. However, it  faces major ongoing uncertainties  or
    exposure  to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate  capacity to meet its financial  commitment
    on the obligation.
 
        B  --  An obligation  rated "B"  is more  vulnerable to  nonpayment than
    obligations rated "BB," but the obligor  currently has the capacity to  meet
    its  financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to  nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for  the obligor to meet its financial  commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to  have the  capacity to meet  its financial  commitment on  the
    obligation.
 
        CC  --  An  obligation  rated "CC"  is  currently  highly  vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a  bankruptcy
    petition  has been filed or  similar action has been  taken, but payments on
    this obligation are being continued.
 
        D --  An obligation  rated "D"  is in  payment default.  The "D"  rating
    category is used when payments on an obligation are not made on the date due
    even  if the  applicable grace period  has not expired,  unless S&P believes
    that such payments  will be made  during such grace  period. The "D"  rating
    also  will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by  the
addition  of a  plus or minus  sign to  show relative standing  within the major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient  information on which to base a rating, or that S&P does not rate a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S employs  the  designation  "Prime-1" to  indicate  commercial  paper
having  a superior ability for repayment  of senior short-term debt obligations.
Prime-1 repayment  ability will  often be  evidenced by  many of  the  following
characteristics:  leading market positions  in well-established industries; high
rates of return  on funds employed;  conservative capitalization structure  with
moderate  reliance on debt and ample asset protection; broad margins in earnings
coverage of  fixed financial  charges  and high  internal cash  generation;  and
well-established  access to a range of  financial markets and assured sources of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior short-term debt obligations. This normally  will be evidenced by many  of
the  characteristics cited  above but  to a  lesser degree.  Earnings trends and
coverage ratios, while sound, may  be more subject to variation.  Capitalization
characteristics,  while  still appropriate,  may  be more  affected  by external
conditions. Ample alternate liquidity is maintained.
 
                  Statement of Additional Information Page 45
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
    S&P ratings of commercial paper  are graded into several categories  ranging
from  "A1" for the highest quality obligations  to "D" for the lowest. Issues in
the "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate  the
relative  degree  of safety.  A-1 --  This highest  category indicates  that the
degree of safety regarding timely payment is strong. Those issues determined  to
possess extremely strong safety characteristics will be denoted with a plus sign
(+)  designation.  A-2  -- Capacity  for  timely  payments on  issues  with this
designation is satisfactory; however,  the relative degree of  safety is not  as
high as for issues designated "A-1."
 
COMMERCIAL PAPER RATINGS
   
The Fund may invest only in high quality commercial paper, i.e. commercial paper
rated  Prime-1 by Moody's, A-1 by S&P, or, if unrated, judged by the Sub-adviser
to be of comparable quality.
    
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
 
   
To be filed.
    
 
                  Statement of Additional Information Page 46
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY  G.T.
  INVESTMENT  FUNDS, GT GLOBAL DEVELOPING MARKETS  FUND, A I M ADVISORS, INC.,
  [CHANCELLOR GT ASSET  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS
  STATEMENT  OF ADDITIONAL INFORMATION DOES NOT CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
                                                                   GROSA703   MC
<PAGE>
                      GT GLOBAL THEME FUNDS: ADVISOR CLASS
 
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                           Toll Free: (800) 824-1580
 
                      Statement of Additional Information
 
   
                                  June 1, 1998
    
- --------------------------------------------------------------------------------
 
   
This  Statement of Additional Information relates to the Advisor Class shares of
GT Global  Financial  Services  Fund  ("Financial  Services  Fund"),  GT  Global
Infrastructure  Fund ("Infrastructure  Fund"), GT Global  Natural Resources Fund
("Natural Resources  Fund"),  GT  Global Consumer  Products  and  Services  Fund
("Consumer  Products and  Services Fund"), GT  Global Health  Care Fund ("Health
Care Fund") and  GT Global Telecommunications  Fund ("Telecommunications  Fund")
(each,  a  "Fund"  or "Theme  Fund,"  and  collectively, the  "Funds"  or "Theme
Funds"). Each  Fund  is a  diversified  series  of G.T.  Investment  Funds  (the
"Company"),  a registered open-end management  investment company. The Financial
Services Fund, Infrastructure Fund, Natural Resources Fund and Consumer Products
and Services Fund (each a "Feeder Fund," and, collectively the "Feeder  Funds,")
invest  all  of  their  investable  assets  in  the  Global  Financial  Services
Portfolio, Global Infrastructure Portfolio,  Global Natural Resources  Portfolio
and  Global Consumer Products and Services  Portfolio (each, a "Portfolio," and,
collectively, the  "Portfolios"),  respectively. This  Statement  of  Additional
Information,  which  is not  a  prospectus, supplements  and  should be  read in
conjunction with the Theme Funds' current Advisor Class Prospectus dated June 1,
1998, a  copy of  which is  available without  charge by  writing to  the  above
address or calling the Funds at the toll-free telephone number printed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
adminstrator  for,   and   [Chancellor   LGT  Asset   Management,   Inc.]   (the
"Sub-adviser") serves as the investment sub-adviser of and sub-administrator for
the  Health Care Fund, Telecommunications Fund and the Portfolios (each a "Theme
Portfolio," and collectively  the "Theme Portfolios").  AIM and the  Sub-adviser
also  serve as the  administrator and sub-administrator,  respectively, for each
Feeder Fund. The distributor of  the Funds' shares is  A I M Distributors,  Inc.
("AIM  Distributors"). The Funds' transfer agent is GT Global Investor Services,
Inc. ("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objectives and Policies.......................................................................................      2
Options, Futures and Currency Strategies.................................................................................      6
Risk Factors.............................................................................................................     14
Investment Limitations...................................................................................................     19
Execution of Portfolio Transactions......................................................................................     23
Trustees and Executive Officers..........................................................................................     25
Management...............................................................................................................     27
Valuation of Fund Shares.................................................................................................     29
Information Relating to Sales and Redemptions............................................................................     31
Taxes....................................................................................................................     33
Additional Information...................................................................................................     36
Investment Results.......................................................................................................     37
Description of Debt Ratings..............................................................................................     46
Financial Statements.....................................................................................................     48
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVES
The  investment objective of  each Feeder Fund is  long-term capital growth. The
investment objective of the  GT Global Health  Care Fund and  Telecommunications
Fund  is  long-term  capital  appreciation  and  long-term  growth  of  capital,
respectively.
 
   
Each Feeder Fund seeks to achieve  its investment objective by investing all  of
its  investable assets in a Portfolio, each  of which is a subtrust (a "series")
of Global Investment Portfolio (an open-end management investment company), with
an investment objective that  is identical to that  of its corresponding  Feeder
Fund. Whenever the phrase "all of a Fund's investable assets" is used herein and
in the Prospectus, it means that the only investment securities held by a Feeder
Fund  will be  its interest  in its corresponding  Portfolio. A  Feeder Fund may
withdraw its investment in its corresponding Portfolio at any time, if the Board
of Trustees of the Company  determines that it is in  the best interests of  the
Fund  and its shareholders to  do so. Upon any  such withdrawal, a Feeder Fund's
assets would  be invested  in accordance  with the  investment policies  of  its
corresponding Portfolio described below and in the Prospectus.
    
 
SELECTION OF EQUITY INVESTMENTS
   
With  respect to the Natural Resource  Portfolio, the Sub-adviser has identified
four areas that it expects  will create investment opportunities: (i)  improving
supply/demand  fundamentals, which may  result in higher  commodity prices; (ii)
privatization of state-owned natural resource businesses; (iii) management which
can improve production efficiencies without correspondingly increasing commodity
prices; and (iv) service companies  with emerging technologies that can  enhance
productivity  or reduce production costs. Of  course, there is no certainty that
these factors will produce the anticipated results.
    
 
   
With respect to the Telecommunications Fund, the Sub-adviser has identified four
areas that it expects will create investment opportunities: (i) deregulation  of
companies  in  the industry,  which will  allow  competition to  promote greater
efficiencies; (ii) privatization  of state-owned telecommunications  businesses;
(iii) development of infrastructure in underdeveloped countries and upgrading of
services  in other countries;  and (iv) emerging  technologies that will enhance
productivity and reduce  costs in  the telecommunications  industry. Of  course,
there is no certainty that these factors will produce the anticipated results.
    
 
   
There  may be times when, in the  opinion of the Sub-adviser, prevailing market,
economic or political conditions  warrant reducing the  proportion of the  Theme
Portfolios'  assets invested in equity  securities and increasing the proportion
held in cash (U.S. dollars, foreign currencies or multinational currency  units)
or  invested in debt securities or  high quality money market instruments issued
by corporations or the U.S.,  or a foreign government.  A portion of each  Theme
Portfolio's  assets  normally  will  be  held  in  cash  (U.S.  dollars, foreign
currencies or multinational currency units)  or invested in foreign or  domestic
high  quality money market  instruments pending investment  of proceeds from new
sales of fund shares to provide for ongoing expenses and to satisfy redemptions.
    
 
   
For  each  Theme  Portfolio's  investment  purposes,  an  issuer  is   typically
considered  as located in a particular country  if it (a) is organized under the
laws of or has  its principal office  in a particular  country, or (b)  normally
derives  50%  or more  of  its total  revenues  from business  in  that country,
provided that, in the Sub-adviser's view, the value of such issuer's  securities
will  tend  to  reflect such  country's  development  to a  greater  extent than
developments elsewhere.  However,  these  are  not  absolute  requirements,  and
certain  companies incorporated  in a particular  country and  considered by the
Sub-adviser  to  be  located  in  that  country  may  have  substantial  foreign
operations  or subsidiaries and/or export sales  exceeding in size the assets or
sales in that country.
    
 
   
In  certain  countries,  governmental  restrictions  and  other  limitations  on
investment  may affect a Theme Portfolio's  ability to invest in such countries.
In addition,  in  some instances  only  special  classes of  securities  may  be
purchased by foreigners and the market prices, liquidity and rights with respect
to  those securities may vary from shares owned by nationals. The Sub-adviser is
not aware at this time  of the existence of  any investment or exchange  control
regulations  which  might  substantially  impair  the  operations  of  the Theme
Portfolios as  described in  the  Prospectus and  this Statement  of  Additional
Information.  Restrictions may  in the future,  however, make  it undesirable to
invest in certain countries. None
    
 
                   Statement of Additional Information Page 2
<PAGE>
                             GT GLOBAL THEME FUNDS
   
of the  Theme Portfolios  has  a present  intention  of making  any  significant
investment in any country or stock market in which the Sub-adviser considers the
political  or economic situation to threaten  a Theme Portfolio with substantial
or total loss of its investment in such country or market.
    
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
Each Theme  Portfolio  may invest  in  the securities  of  investment  companies
(including  investment vehicles or  companies advised by  the Sub-adviser or its
affiliates ("Affiliated Funds")) within the limits of the Investment Company Act
of 1940, as amended (the "1940 Act"). These limitations currently provide  that,
in  general,  a Theme  Portfolio may  purchase shares  of an  investment company
unless (a) such a purchase would cause a Theme Portfolio to own in the aggregate
more than 3% of the total outstanding voting stock of the investment company  or
(b)  such a purchase would cause the Theme Portfolio to have more than 5% of its
assets invested  in  the investment  company  or more  than  10% of  its  assets
invested  in  an  aggregate  of all  such  investment  companies.  The foregoing
restrictions do not  apply to  the investment  of the  Financial Services  Fund,
Infrastructure  Fund, Natural Resources Fund  and Consumer Products and Services
Fund in  their corresponding  Portfolios.  Investment in  closed-end  investment
companies  may involve  the payment of  substantial premiums above  the value of
such companies' portfolio securities.  Each Theme Portfolio  does not intend  to
invest  in such investment companies unless, in the judgment of the Sub-adviser,
the potential benefits of such investments justify the payment of any applicable
premiums. The return on such securities will be reduced by operating expenses of
such  companies,  including  payments  to  the  investment  managers  of   those
investment  companies.  With respect  to  investments in  Affiliated  Funds, the
Sub-adviser waives its advisory fee  to the extent that  such fees are based  on
assets of a Theme Portfolio invested in Affiliated Funds.
    
 
DEPOSITORY RECEIPTS
A Theme Portfolio may hold securities of foreign issuers in the form of American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs") or  other
securities  convertible  into  securities  of  eligible  foreign  issuers. These
securities may  not necessarily  be  denominated in  the  same currency  as  the
securities  for which they may be exchanged.  ADRs and ADSs are typically issued
by an  American bank  or  trust company  and  evidence ownership  of  underlying
securities  issued by a foreign corporation.  EDRs, which are sometimes referred
to as Continental Depository Receipts  ("CDRs"), are issued in Europe  typically
by foreign banks and trust companies and evidence ownership of either foreign or
domestic  securities.  GDRs are  similar to  EDRs  and are  designed for  use in
several international financial markets. Generally, ADRs and ADSs in  registered
form are designed for use in U.S. securities markets and EDRs in bearer form are
designed  for use  in European  securities markets.  For purposes  of each Theme
Portfolio's investment policies, a Theme Portfolio's investments in ADRs,  ADSs,
GDRs  and  EDRs  will be  deemed  to  be investments  in  the  equity securities
representing securities of foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass-through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally  the same manner as unsponsored  facilities,
except  that  the  issuer of  the  deposited  securities enters  into  a deposit
agreement with the  depository. The deposit  agreement sets out  the rights  and
responsibilities  of  the  issuer,  the depository  and  the  ADR  holders. With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository), although ADR holders continue to bear certain other costs (such  as
deposit  and withdrawal fees).  Under the terms  of most sponsored arrangements,
depositories agree  to distribute  notices of  shareholder meetings  and  voting
instructions, and to provide shareholder communications and other information to
the  ADR holders at the  request of the issuer  of the deposited securities. The
Theme Portfolios may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants or rights may be acquired by a Theme Portfolio in connection with other
securities or  separately and  provide the  Theme Portfolio  with the  right  to
purchase at a later date other securities of the issuer.
 
                   Statement of Additional Information Page 3
<PAGE>
                             GT GLOBAL THEME FUNDS
 
LENDING OF PORTFOLIO SECURITIES
   
For  the purpose of  realizing additional income, each  Theme Portfolio may make
secured loans of its securities holdings amounting  to not more than 30% of  its
total  assets.  Securities loans  are  made to  broker/dealers  or institutional
investors pursuant  to  agreements  requiring that  the  loans  be  continuously
secured by collateral at least equal at all times to the value of the securities
lent  plus any accrued interest, "marked to  market" on a daily basis. The Theme
Portfolios may pay  reasonable administrative and  custodial fees in  connection
with  the loans of their securities. While the securities loan is outstanding, a
Theme Portfolio  will continue  to receive  the equivalent  of the  interest  or
dividends  paid by  the issuer  on the  securities, as  well as  interest on the
investment of the collateral or a fee from the borrower. A Theme Portfolio  will
have  a right  to call  each loan  and obtain  the securities  within the stated
settlement period. A  Theme Portfolio  will not have  the right  to vote  equity
securities  while they are being lent, but it may call in a loan in anticipation
of any  important  vote.  Loans  will  only be  made  to  firms  deemed  by  the
Sub-adviser  to be of good standing and will not be made unless, in the judgment
of the Sub-adviser, the consideration to be earned from such loans would justify
the risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For the purposes of each Theme  Portfolio's investment policies with respect  to
bank  obligations, obligations of foreign branches  of U.S. banks and of foreign
banks are obligations of the issuing bank and may be general obligations of  the
parent  bank.  Such obligations  may,  however, be  limited  by the  terms  of a
specific obligation  and  by  government  regulation.  As  with  investments  in
non-U.S.  securities  in  general,  investments in  the  obligations  of foreign
branches of U.S. banks and of foreign banks may subject each Theme Portfolio  to
investment  risks that are different in  some respects from those of investments
in obligations of  U.S. issuers.  Although each Theme  Portfolio will  typically
acquire  obligations issued and supported by the credit of U.S. or foreign banks
having total assets  at the  time of  purchase of $1  billion or  more, this  $1
billion  figure  is  not  an  investment policy  or  restriction  of  each Theme
Portfolio. For  the purposes  of  calculation with  respect  to the  $1  billion
figure,  the assets of a bank  will be deemed to include  the assets of its U.S.
and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A repurchase agreement is a transaction  in which a Theme Portfolio purchases  a
security  from a bank or recognized securities dealer and simultaneously commits
to resell that security to the bank or dealer at an agreed-upon price, date, and
market rate  of  interest  unrelated to  the  coupon  rate or  maturity  of  the
purchased  security.  Although  repurchase agreements  carry  certain  risks not
associated with direct investments in securities, including possible decline  in
the  market value of the underlying securities and delays and costs to the Theme
Portfolio if the other party to  the repurchase agreement becomes bankrupt,  the
Theme  Portfolios intend to enter into repurchase agreements only with banks and
dealers  believed  by  the  Sub-adviser  to  present  minimal  credit  risks  in
accordance with guidelines established by the Company's or the Portfolios' Board
of  Trustees,  as  applicable.  The  Sub-adviser  will  review  and  monitor the
creditworthiness of  such  institutions  under the  applicable  Board's  general
supervision.
    
 
Each Theme Portfolio will invest only in repurchase agreements collateralized at
all  times in  an amount  at least  equal to  the repurchase  price plus accrued
interest. To the extent that the proceeds from any sale of such collateral  upon
a default in the obligation to repurchase were less than the repurchase price, a
Theme Portfolio would suffer a loss. If the financial institution which is party
to  the  repurchase  agreement  petitions for  bankruptcy  or  otherwise becomes
subject  to  bankruptcy   or  other  liquidation   proceedings,  there  may   be
restrictions  on a Theme Portfolio's ability to  sell the collateral and a Theme
Portfolio could suffer a loss.  However, with respect to financial  institutions
whose  bankruptcy or liquidation proceedings are  subject to the U.S. Bankruptcy
Code, each Theme  Portfolio intends to  comply with provisions  under such  Code
that  would allow the immediate resale  of such collateral. Each Theme Portfolio
will not enter into a  repurchase agreement with a  maturity of more than  seven
days  if, as a result, more than 15% of  the value of its net assets (except for
Health Care Fund,  more than  10% of  the value of  its total  assets) would  be
invested in such repurchase agreements and other illiquid investments.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
Each  Theme Portfolio's borrowings will not exceed  33 1/3% of its total assets,
i.e., the Theme Portfolio's total assets at  all times will equal at least  300%
of  the amount of outstanding borrowings. If market fluctuations in the value of
a Theme Portfolio's securities  holdings or other factors  cause the ratio of  a
Theme  Portfolio's total  assets to outstanding  borrowings to  fall below 300%,
within three days  (excluding Sundays  and holidays)  of such  event that  Theme
Portfolio may be required to sell portfolio securities to restore the 300% asset
coverage,  even  though  from  an  investment  standpoint  such  sales  might be
disadvantageous. Each Theme  Portfolio may  also borrow up  to 5%  of its  total
assets  for temporary or emergency purposes  other than to meet redemptions. Any
borrowing by a Theme Portfolio may cause greater fluctuation in the value of its
shares than would be the case if that Theme Portfolio did not borrow.
 
                   Statement of Additional Information Page 4
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
Each Theme  Portfolio's  fundamental  investment limitations  permit  the  Theme
Portfolio to borrow money for leveraging purposes. However, each Theme Portfolio
(except  the  Health Care  Fund)  is currently  prohibited,  pursuant to  a non-
fundamental investment  policy,  from  borrowing  money  in  order  to  purchase
securities.  Nevertheless,  this policy  may  be changed  in  the future  by the
Company's Board of Trustees or the Portfolios' Board of Trustees, as applicable.
If a Theme  Portfolio employs leverage  in the  future, it would  be subject  to
certain  additional risks.  Use of leverage  creates an  opportunity for greater
growth of capital  but would exaggerate  any increases or  decreases in the  net
asset  value  of  the  Financial  Services  Fund,  Infrastructure  Fund, Natural
Resources Fund, Consumer Products and Services  Fund or a Theme Portfolio.  When
the  income and  gains on securities  purchased with the  proceeds of borrowings
exceed the costs of  such borrowings, a Theme  Portfolio's earnings or a  Fund's
net  asset  value  will  increase  faster  than  otherwise  would  be  the case;
conversely, if  such  income  and gains  fail  to  exceed such  costs,  a  Theme
Portfolio's earnings or a Fund's net asset value would decline faster than would
otherwise be the case.
    
 
   
Each  Theme Portfolio  may enter into  reverse repurchase  agreements. A reverse
repurchase agreement is a borrowing transaction in which the Portfolio transfers
possession of a security  to another party  such as a  bank or broker/dealer  in
return  for cash,  and agrees  to repurchase  the security  in the  future at an
agreed upon price, which  includes an interest  component. Each Theme  Portfolio
may  also engage  in "roll"  borrowing transactions,  which involve  the sale of
Government  National  Mortgage  Association  certificates  or  other  securities
together  with a commitment (for which the Theme Portfolio may receive a fee) to
purchase similar, but  not identical, securities  at a future  date. Each  Theme
Portfolio  will  segregate with  a custodian,  cash or  liquid securities  in an
amount sufficient to cover its obligations under "roll" transactions and reverse
repurchase agreements  with  broker/dealers.  No  segregation  is  required  for
reverse repurchase agreements with banks.
    
 
SHORT SALES
   
Each  Theme Portfolio  may make  short sales  of securities.  A short  sale is a
transaction in which a Theme Portfolio sells a security in anticipation that the
market price of  that security will  decline. A Theme  Portfolio may make  short
sales (i) as a form of hedging to offset potential declines in long positions in
securities it owns, or anticipates acquiring, or in similar securities, and (ii)
in order to maintain flexibility in its securities holdings.
    
 
When a Theme Portfolio makes a short sale of a security it does not own, it must
borrow  the security  sold short  and deliver it  to the  broker/dealer or other
intermediary through which it made the short sale. The Theme Portfolio may  have
to  pay a fee to borrow particular securities and will often be obligated to pay
over any payments received on such borrowed securities.
 
A Theme  Portfolio's  obligation  to  replace the  borrowed  security  when  the
borrowing  is called or expires will be secured by collateral deposited with the
intermediary. The Theme Portfolio  will also be  required to deposit  collateral
with  its custodian to the  extent, if any, necessary so  that the value of both
collateral deposits in the aggregate is at  all times equal to at least 100%  of
the  current market value of the  security sold short. Depending on arrangements
made with the intermediary from which it borrowed the security regarding payment
of any  amounts received  by that  Theme  Portfolio on  such security,  a  Theme
Portfolio  may not receive  any payments (including  interest) on its collateral
deposited with such intermediary.
 
If the price of the security sold short increases between the time of the  short
sale  and the time a Theme Portfolio  replaces the borrowed security, that Theme
Portfolio will  incur a  loss;  conversely, if  the  price declines,  the  Theme
Portfolio  will  realize  a gain.  Any  gain  will be  decreased,  and  any loss
increased, by the transaction costs associated with the transaction. Although  a
Theme  Portfolio's gain is  limited by the  price at which  it sold the security
short, its potential loss theoretically is unlimited.
 
No Theme Portfolio will make a short sale if, after giving effect to such  sale,
the  market value of the  securities sold short exceeds 25%  of the value of its
total assets or the Theme Portfolio's aggregate short sales of the securities of
any one issuer exceed the lesser of 2% of the Theme Portfolio's net assets or 2%
of the securities of any  class of the issuer.  Moreover, a Theme Portfolio  may
engage  in short  sales only  with respect  to securities  listed on  a national
securities exchange. A Theme  Portfolio may make short  sales "against the  box"
without  respect to such limitations. In this type of short sale, at the time of
the sale the  Theme Portfolio owns  the security it  has sold short  or has  the
immediate and unconditional right to acquire at no additional cost the identical
security.
 
                   Statement of Additional Information Page 5
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The  use of options, futures contracts  and forward currency contracts ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1) Successful  use  of  most  of these  instruments  depends  upon  the
    Sub-adviser's  ability to  predict movements  of the  overall securities and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the use of these instruments, there can be no assurance that any  particular
    strategy adopted will succeed.
    
 
        (2)  There  might  be  imperfect correlation,  or  even  no correlation,
    between price  movements  of  an  instrument  and  price  movements  of  the
    investments being hedged. For example, if the value of an instrument used in
    a  short hedge  increased by less  than the  decline in value  of the hedged
    investment, the  hedge  would  not  be fully  successful.  Such  a  lack  of
    correlation  might  occur  due to  factors  unrelated  to the  value  of the
    investments being  hedged, such  as speculative  or other  pressures on  the
    markets  in which  the hedging  instrument is  traded. The  effectiveness of
    hedges using hedging  instruments on indices  will depend on  the degree  of
    correlation  between price movements in the index and price movements in the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or partially offsetting the negative  effect of unfavorable price  movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity  for gain by  offsetting the positive  effect of favorable price
    movements in  the hedged  investments.  For example,  if a  Theme  Portfolio
    entered  into a short  hedge because the Sub-adviser  projected a decline in
    the price of a security in the Theme Portfolio's portfolio, and the price of
    that security increased instead, the gain from that increase might be wholly
    or partially offset  by a decline  in the price  of the hedging  instrument.
    Moreover,  if the price of the hedging  instrument declined by more than the
    increase in the price  of the security, the  Theme Portfolio could suffer  a
    loss.  In either such case, the Theme  Portfolio would have been in a better
    position had it not hedged at all.
    
 
        (4) As described below, a Theme Portfolio might be required to  maintain
    assets as "cover," maintain segregated accounts or make margin payments when
    it  takes positions  in instruments  involving obligations  to third parties
    (i.e., instruments other  than purchased  options). If  the Theme  Portfolio
    were  unable to  close out  its positions in  such instruments,  it might be
    required to  continue to  maintain  such assets  or  accounts or  make  such
    payments  until  the position  expired  or matured.  The  requirements might
    impair the Theme Portfolio's ability to sell a portfolio security or make an
    investment at a  time when  it would  otherwise be  favorable to  do so,  or
    require   that  the  Theme   Portfolio  sell  a   portfolio  security  at  a
    disadvantageous time. The Theme Portfolio's ability to close out a  position
    in an instrument prior to expiration or maturity depends on the existence of
    a  liquid secondary market or, in the  absence of such a market, the ability
    and willingness of the  other party to the  transaction ("contra party")  to
    enter  into a transaction  closing out the position.  Therefore, there is no
    assurance that any position can  be closed out at a  time and price that  is
    favorable to the Theme Portfolio.
 
WRITING CALL OPTIONS
   
Each  Theme Portfolio may  write (sell) call options  on securities, indices and
currencies. Call options generally will be written on securities and  currencies
that, in the opinion of the Sub-adviser are not expected to make any major price
moves  in  the near  future  but that,  over  the long  term,  are deemed  to be
attractive investments for the Theme Portfolios.
    
 
A call option  gives the  holder (buyer)  the right  to purchase  a security  or
currency  at a specified price (the exercise  price) at any time until (American
style) or an (European style) a certain  date (the expiration date). So long  as
the  obligation of  the writer  of a  call option  continues, he  or she  may be
assigned an exercise  notice, requiring  him or  her to  deliver the  underlying
security  or currency  against payment  of the  exercise price.  This obligation
terminates upon the expiration of the call option, or such earlier time at which
the writer  effects  a closing  purchase  transaction by  purchasing  an  option
identical to that previously sold.
 
                   Statement of Additional Information Page 6
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                             GT GLOBAL THEME FUNDS
 
Portfolio  securities or currencies on which call options may be written will be
purchased solely on the basis of investment considerations consistent with  each
Theme  Portfolio's investment  objective. When  writing a  call option,  a Theme
Portfolio, in return for the premium, gives up the opportunity for profit from a
price increase in the underlying security or currency above the exercise  price,
and  retains  the risk  of loss  should the  price of  the security  or currency
decline. Unlike one who owns securities or currencies not subject to an  option,
a  Theme Portfolio  has no  control over  when it  may be  required to  sell the
underlying securities or currencies, since most options may be exercised at  any
time  prior to the option's expiration. If  a call option that a Theme Portfolio
has written expires, the Theme  Portfolio will realize a  gain in the amount  of
the  premium; however, such gain may be offset  by a decline in the market value
of the underlying  security or currency  during the option  period. If the  call
option  is exercised, the Theme  Portfolio will realize a  gain or loss from the
sale of the underlying security or  currency, which will be increased or  offset
by  the premium received. Each  Theme Portfolio does not  consider a security or
currency covered by a call option to be  "pledged" as that term is used in  that
Theme Portfolio's policy that limits the pledging or mortgaging of its assets.
 
Writing  call options can serve as a limited short hedge because declines in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
appreciates to a price higher than the exercise price of the call option, it can
be expected that  the option will  be exercised  and a Theme  Portfolio will  be
obligated to sell the security or currency at less than its market value.
 
   
The  premium that a Theme Portfolio receives for writing a call option is deemed
to constitute the  market value of  an option. The  premium the Theme  Portfolio
will  receive from writing a  call option will reflect,  among other things, the
current market  price of  the  underlying investment,  the relationship  of  the
exercise  price to  such market  price, the  historical price  volatility of the
underlying investment,  and the  length  of the  option period.  In  determining
whether  a  particular  call  option should  be  written,  the  Sub-adviser will
consider the reasonableness of the anticipated premium and the likelihood that a
liquid secondary market will exist for those options.
    
 
Closing transactions  will  be effected  in  order to  realize  a profit  on  an
outstanding  call option,  to prevent  an underlying  security or  currency from
being called, or  to permit  the sale of  the underlying  security or  currency.
Furthermore,  effecting a closing  transaction will permit  a Theme Portfolio to
write another call option on the  underlying security or currency with either  a
different exercise price or expiration date, or both.
 
Each  Theme Portfolio will pay transaction  costs in connection with the writing
of options and in  entering into closing  purchase contracts. Transaction  costs
relating  to  options  activity are  normally  higher than  those  applicable to
purchases and sales of portfolio securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market  values of the  underlying securities, indices or  currencies at the time
the options are written. From  time to time, a  Theme Portfolio may purchase  an
underlying  security or currency for delivery in accordance with the exercise of
an option, rather than delivering such security or currency from its  portfolio.
In such cases, additional costs will be incurred.
 
A  Theme  Portfolio  will realize  a  profit  or loss  from  a  closing purchase
transaction if the cost of the  transaction is less or more, respectively,  than
the  premium received from  writing the option. Because  increases in the market
price of a call option generally will  reflect increases in the market price  of
the underlying security or currency, any loss resulting from the repurchase of a
call  option is likely to be  offset in whole or in  part by appreciation of the
underlying security or currency owned by a Theme Portfolio.
 
WRITING PUT OPTIONS
Each  Theme  Portfolio  may  write  put  options  on  securities,  indices   and
currencies.  A put option gives  the purchaser of the  option the right to sell,
and the  writer (seller)  the  obligation to  buy,  the underlying  security  or
currency  at  the  exercise price  at  any  time until  (American  style)  or on
(European style) the  expiration date.  The operation  of put  options in  other
respects,  including their related risks and rewards, is substantially identical
to that of call options.
 
   
A Theme Portfolio generally would write  put options in circumstances where  the
Sub-adviser  wishes to purchase the underlying  security or currency for a Theme
Portfolio's holdings  at a  price lower  than the  current market  price of  the
security  or currency. In such event, a Theme Portfolio would write a put option
at an  exercise price  that, reduced  by  the premium  received on  the  option,
reflects  the lower price it is willing  to pay. Since the Theme Portfolio would
also receive interest on debt securities  or currencies maintained to cover  the
exercise  price of the option,  this technique could be  used to enhance current
return during periods  of market  uncertainty. The  risk in  such a  transaction
would  be that  the market  price of the  underlying security  or currency would
decline below the exercise price less the premium received.
    
 
                   Statement of Additional Information Page 7
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                             GT GLOBAL THEME FUNDS
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put option will be exercised and a Theme Portfolio will  be
obligated to purchase the security or currency at greater than its market value.
 
PURCHASING PUT OPTIONS
Each  Theme  Portfolio  may  purchase put  options  on  securities,  indices and
currencies. As the  holder of a  put option,  a Theme Portfolio  would have  the
right  to sell the underlying security or  currency at the exercise price at any
time until (American style) or on (European style) the expiration date. A  Theme
Portfolio may enter into closing sale transactions with respect to such options,
exercise such option or permit such option to expire.
 
Each  Theme Portfolio  may purchase  a put option  on an  underlying security or
currency ("protective put")  owned by the  Theme Portfolio in  order to  protect
against  an anticipated decline in  the value of the  security or currency. Such
hedge protection is provided  only during the  life of the  put option when  the
Theme Portfolio, as the holder of the put option, is able to sell the underlying
security  or currency at the put exercise price regardless of any decline in the
underlying security's market  price or  currency's exchange  value. The  premium
paid  for  the put  option and  any  transaction costs  would reduce  any profit
otherwise available for distribution when the security or currency is eventually
sold.
 
A Theme Portfolio may also purchase put options  at a time when it does not  own
the  underlying security or currency. By purchasing put options on a security or
currency it does not own, that Theme  Portfolio seeks to benefit from a  decline
in the market price of the underlying security or currency. If the put option is
not  sold when it has remaining value, and if the market price of the underlying
security or currency remains equal to or greater than the exercise price  during
the  life of the put option, the Theme Portfolio will lose its entire investment
in the put option. In order for the  purchase of a put option to be  profitable,
the   market  price  of  the  underlying   security  or  currency  must  decline
sufficiently below  the exercise  price  to cover  the premium  and  transaction
costs, unless the put option is sold in a closing sale transaction.
 
PURCHASING CALL OPTIONS
Each  Theme  Portfolio  may purchase  call  options on  securities,  indices and
currencies. As the holder of a call  option, the Theme Portfolio would have  the
right  to purchase the underlying security or  currency at the exercise price at
any time until (American  style) or on (European  style) the expiration date.  A
Theme  Portfolio may enter  into closing sale transactions  with respect to such
options, exercise such options or permit such options to expire.
 
Call options may be purchased by a Theme Portfolio for the purpose of  acquiring
the underlying security or currency for its portfolio. Utilized in this fashion,
the  purchase of  call options  would enable  a Theme  Portfolio to  acquire the
security or currency at the exercise price  of the call option plus the  premium
paid.  At times,  the net  cost of  acquiring the  security or  currency in this
manner may be less than the cost of acquiring the security or currency directly.
This technique may also  be useful to  a Theme Portfolio  in purchasing a  large
block  of securities that  would be more  difficult to acquire  by direct market
purchases. So long as it  holds such a call  option, rather than the  underlying
security or currency itself, the Theme Portfolio is partially protected from any
unexpected  decline in the  market price of the  underlying security or currency
and, in such event, could allow the call option to expire, incurring a loss only
to the extent of the premium paid for the option.
 
A Theme Portfolio  may also purchase  call options on  underlying securities  or
currencies it owns to avoid realizing losses that would result in a reduction of
its  current return.  For example,  where a Theme  Portfolio has  written a call
option on an underlying security or currency having a current market value below
the price at which  it purchased the  security or currency,  an increase in  the
market  price could  result in the  exercise of  the call option  written by the
Theme Portfolio and  the realization  of a loss  on the  underlying security  or
currency.  Accordingly, the Theme Portfolio could  purchase a call option on the
same underlying security or  currency, which could be  exercised to fulfill  the
Theme  Portfolio's  delivery  obligations  under  its  written  call  (if  it is
exercised). This strategy could allow the  Theme Portfolio to avoid selling  the
portfolio  security  or currency  at  a time  when  it has  an  unrealized loss;
however, the Theme Portfolio would  have to pay a  premium to purchase the  call
option plus transaction costs.
 
Aggregate  premiums paid  for put and  call options  will not exceed  5% of each
Theme Portfolio's total assets at the time of each purchase.
 
A Theme Portfolio may attempt to accomplish objectives similar to those involved
in using Forward Contracts  by purchasing put or  call options on currencies.  A
put  option  gives the  Theme  Portfolio as  purchaser  the right  (but  not the
obligation) to sell a specified amount of currency at the exercise price at  any
time  until (American style) or  on (European style) the  expiration date of the
option. A call option gives the Theme Portfolio as purchaser the right (but  not
the obligation) to purchase a specified amount of currency at the exercise price
at any time until (American style) or on (European style) the expiration date of
the option. A Theme Portfolio might purchase a currency put option, for example,
 
                   Statement of Additional Information Page 8
<PAGE>
                             GT GLOBAL THEME FUNDS
to  protect itself against a decline in the  dollar value of a currency in which
it holds  or anticipates  holding  securities. If  the currency's  value  should
decline  against the  dollar, the  loss in currency  value should  be offset, in
whole or in part, by an  increase in the value of the  put. If the value of  the
currency  instead should rise against the dollar,  any gain to a Theme Portfolio
would be reduced by the premium it had paid for the put option. A currency  call
option  might  be purchased,  for  example, in  anticipation  of, or  to protect
against, a rise in the value against the  dollar of a currency in which a  Theme
Portfolio anticipates purchasing securities.
 
Options  may  be either  listed  on an  exchange  or traded  in over-the-counter
("OTC") markets. Listed options are third-party contracts (I.E., performance  of
the  obligations of the  purchaser and seller  is guaranteed by  the exchange or
clearing corporation) and have standardized strike prices and expiration  dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates. A Theme Portfolio will not purchase an OTC option unless it believes that
daily  valuations for  such options are  readily obtainable.  OTC options differ
from exchange-traded options  in that  OTC options are  transacted with  dealers
directly  and not through a clearing corporation (which guarantees performance).
Consequently, there  is  a risk  of  non-performance  by the  dealer.  Since  no
exchange  is involved, OTC options are valued on  the basis of an average of the
last bid prices obtained from dealers,  unless a quotation from only one  dealer
is  available, in which case only that dealer's  price will be used. In the case
of OTC options, there can  be no assurance that  a liquid secondary market  will
exist for any particular option at any specific time.
 
The  staff of the Securities and Exchange Commission ("SEC") considers purchased
OTC options  to be  illiquid securities.  A Theme  Portfolio may  also sell  OTC
options  and, in connection therewith, segregate assets or cover its obligations
with respect to OTC options written by  the Theme Portfolio. The assets used  as
cover  for OTC options written by a  Theme Portfolio will be considered illiquid
unless the OTC options are  sold to qualified dealers  who agree that the  Theme
Portfolio  may repurchase  any OTC  option it  writes at  a maximum  price to be
calculated by a formula set forth in the option agreement. The cover for an  OTC
option  written subject to  this procedure would be  considered illiquid only to
the extent  that the  maximum repurchase  price under  the formula  exceeds  the
intrinsic value of the option.
 
A   Theme  Portfolio's  ability   to  establish  and   close  out  positions  in
exchange-listed options depends  on the existence  of a liquid  market. A  Theme
Portfolio  intends to purchase  or write only  those exchange-traded options for
which there appears to be  a liquid secondary market.  However, there can be  no
assurance  that  such  a  market  will exist  at  any  particular  time. Closing
transactions can be made for OTC  options only by negotiating directly with  the
contra  party or  by a transaction  in the  secondary market if  any such market
exists. Although a Theme Portfolio will enter into OTC options only with  contra
parties  that are expected  to be capable of  entering into closing transactions
with the Theme Portfolio, there is no assurance that the Theme Portfolio will in
fact be able to close out an OTC  option position at a favorable price prior  to
expiration.  In the event of insolvency of the contra party, the Theme Portfolio
might be unable to  close out an OTC  option position at any  time prior to  its
expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts  except that all settlements  are in cash and  gain or loss depends on
changes in the index in question (and thus on price movements in the  securities
market  or a particular market sector  generally) rather than on price movements
in individual securities or futures contracts.  When a Theme Portfolio writes  a
call on an index, it receives a premium and agrees that, prior to the expiration
date,  the purchaser of the  call, upon exercise of  the call, will receive from
the Theme Portfolio an  amount of cash  if the closing level  of the index  upon
which  the call  is based is  greater than the  exercise price of  the call. The
amount of cash is equal to the difference between the closing price of the index
and  the  exercise  price   of  the  call  times   a  specified  multiple   (the
"multiplier"),  which determines the  total dollar value for  each point of such
difference. When a Theme Portfolio  buys a call on an  index, it pays a  premium
and  has the same  rights as to such  call as are indicated  above. When a Theme
Portfolio buys a put on an index, it pays a premium and has the right, prior  to
the  expiration  date,  to  require  the  seller  of  the  put,  upon  the Theme
Portfolio's exercise of the put, to deliver to the Theme Portfolio an amount  of
cash  if the closing level of the index upon which the put is based is less than
the exercise  price of  the  put, which  amount of  cash  is determined  by  the
multiplier, as described above for calls. When a Theme Portfolio writes a put on
an  index, it receives a  premium and the purchaser has  the right, prior to the
expiration date, to require the  Theme Portfolio to deliver  to it an amount  of
cash  equal to  the difference between  the closing  level of the  index and the
exercise price  times the  multiplier, if  the closing  level is  less than  the
exercise price.
 
The  risks  of  investment in  index  options  may be  greater  than  options on
securities. Because index options  are settled in cash,  when a Theme  Portfolio
writes  a  call on  an  index it  cannot provide  in  advance for  its potential
settlement obligations by  acquiring and  holding the  underlying securities.  A
Theme  Portfolio can  offset some  of the  risk of  writing a  call index option
position by holding a  diversified portfolio of securities  similar to those  on
which the underlying index is based.
 
                   Statement of Additional Information Page 9
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                             GT GLOBAL THEME FUNDS
However,  a Theme Portfolio  cannot, as a  practical matter, acquire  and hold a
portfolio containing exactly the same securities as underlie the index and, as a
result, bears a risk that  the value of the securities  held will vary from  the
value of the index.
 
Even  if a  Theme Portfolio could  assemble a securities  portfolio that exactly
reproduced the composition of the underlying index, it still would not be  fully
covered  from a risk standpoint because of the "timing risk" inherent in writing
index options. When an index  option is exercised, the  amount of cash that  the
holder  is  entitled to  receive  is determined  by  the difference  between the
exercise price  and the  closing index  level on  the date  when the  option  is
exercised.  As with  other kinds  of options, the  Theme Portfolio,  as the call
writer, will not know that it has  been assigned until the next business day  at
the  earliest. The time lag  between exercise and notice  of assignment poses no
risk for the writer of a covered call on a specific underlying security, such as
common stock, because there the writer's obligation is to deliver the underlying
security, not to pay its value  as of a fixed time in  the past. So long as  the
writer  already  owns the  underlying security,  it  can satisfy  its settlement
obligations by  simply delivering  it, and  the  risk that  its value  may  have
declined since the exercise date is borne by the exercising holder. In contrast,
even  if the  writer of an  index call  holds securities that  exactly match the
composition of  the  underlying  index, it  will  not  be able  to  satisfy  its
assignment  obligations by  delivering those  securities against  payment of the
exercise price. Instead, it will be required  to pay cash in an amount based  on
the  closing index value on the exercise date; and by the time it learns that it
has been assigned, the index may have declined, with a corresponding decline  in
the  value  of  its securities  portfolio.  This  "timing risk"  is  an inherent
limitation on the ability of index call writers to cover their risk exposure  by
holding securities positions.
 
If  a Theme  Portfolio purchases  an index  option and  exercises it  before the
closing index value for that day is  available, it runs the risk that the  level
of  the underlying index  may subsequently change.  If such a  change causes the
exercised option to fall out-of-the-money, the Theme Portfolio will be  required
to  pay the difference between the closing index value and the exercise price of
the option (times the applicable multiplier) to the assigned writer.
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
Each Theme Portfolio may enter into interest rate or currency futures contracts,
and may enter  into stock  index futures contracts  (collectively, "Futures"  or
"Futures  Contracts"),  as  a  hedge against  changes  in  prevailing  levels of
interest rates,  currency exchange  rates  or stock  price  levels in  order  to
establish  more definitely the effective return on securities or currencies held
or intended to be acquired by  the Theme Portfolio. A Theme Portfolio's  hedging
may  include  sales of  Futures  as an  offset  against the  effect  of expected
increases in interest rates, and decreases in currency exchange rates and  stock
prices,  and purchases of  Futures as an  offset against the  effect of expected
declines in interest rates,  and increases in currency  exchange rates or  stock
prices.
 
Each  Theme Portfolio only will enter into  Futures Contracts that are traded on
futures exchanges  and  are standardized  as  to maturity  date  and  underlying
financial instrument. Futures exchanges and trading thereon in the United States
are  regulated under the Commodity Exchange Act by the Commodity Futures Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to reduce a Theme Portfolio's exposure to interest rate, currency  exchange
rate  and stock market fluctuations,  that Theme Portfolio may  be able to hedge
its exposure  more  effectively  and  at a  lower  cost  through  using  Futures
Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of a specified amount of a specific financial instrument (security
or currency) for a specified price at a designated date, time and place. A stock
index Futures Contract provides for the delivery, at a designated date, time and
place, of  an amount  of  cash equal  to a  specified  dollar amount  times  the
difference between the stock index value at the close of trading on the contract
and  the price at which  the Futures Contract is  originally struck; no physical
delivery of stocks  comprising the index  is made. Brokerage  fees are  incurred
when  a  Futures  Contract  is  bought or  sold,  and  margin  deposits  must be
maintained at all times the Futures Contract is outstanding.
 
Although Futures Contracts typically require future delivery of and payment  for
financial  instruments or currencies,  Futures Contracts usually  are closed out
before the delivery date. Closing out an open Futures Contract sale or  purchase
is  effected by entering  into an offsetting Futures  Contract purchase or sale,
respectively,  for  the  same  aggregate  amount  of  the  identical   financial
instrument  or currency and  the same delivery date.  If the offsetting purchase
price is less than the original sale price, the Theme Portfolio realizes a gain;
if it  is  more,  the  Theme  Portfolio realizes  a  loss.  Conversely,  if  the
offsetting  sale  price is  more  than the  original  purchase price,  the Theme
Portfolio realizes a gain; if it is  less, the Theme Portfolio realizes a  loss.
The  transaction costs must also be included in these calculations. There can be
no assurance, however,  that a Theme  Portfolio will  be able to  enter into  an
offsetting transaction with respect to a particular Futures
 
                  Statement of Additional Information Page 10
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                             GT GLOBAL THEME FUNDS
Contract at a particular time. If a Theme Portfolio is not able to enter into an
offsetting  transaction, that  Theme Portfolio will  continue to  be required to
maintain the margin deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from  the sale of one Futures Contract of September Deutschemarks on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of  another Futures  Contract of  September Deutschemarks  on the  same
exchange.  In  such instance,  the  difference between  the  price at  which the
Futures Contract was sold and the price paid for the offsetting purchase,  after
allowance  for transaction  costs, represents  the profit  or loss  to the Theme
Portfolio.
 
Each Theme Portfolio's  Futures transactions  will be entered  into for  hedging
purposes  only; that  is, Futures  Contracts will be  sold to  protect against a
decline in the price of securities or currencies that a Theme Portfolio owns, or
Futures Contracts will  be purchased  to protect  a Theme  Portfolio against  an
increase  in the price of securities or  currencies it has committed to purchase
or expects to purchase.
 
"Margin" with respect to Futures Contracts is  the amount of funds that must  be
deposited by a Theme Portfolio in order to initiate Futures trading and maintain
the Theme Portfolio's open positions in Futures Contracts. A margin deposit made
when  the Futures  Contract is  entered into  ("initial margin")  is intended to
ensure the Theme Portfolio's performance under the Futures Contract. The  margin
required  for a particular Futures Contract is  set by the exchange on which the
Futures Contract is traded and may  be significantly modified from time to  time
by the exchange during the term of the Futures Contract.
 
Subsequent   payments,  called  "variation  margin"  to  and  from  the  futures
commission merchant through  which the  Theme Portfolio entered  in the  Futures
Contract  will be made on a daily basis as the price of the underlying security,
currency or index fluctuates making the Futures Contract more or less  valuable,
a process known as marking-to-market.
 
    RISKS  OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts are
volatile and  are influenced  by,  among other  things, actual  and  anticipated
changes  in  interest rates  and currency  exchange rates,  and in  stock market
movements, which  in turn  are  affected by  fiscal  and monetary  policies  and
national and international political and economic events.
 
There  is a risk of  imperfect correlation between changes  in prices of Futures
Contracts and prices  of the  securities or  currencies in  a Theme  Portfolio's
portfolio  being hedged. The degree of  imperfection of correlation depends upon
circumstances such as variations  in speculative market  demand for Futures  and
for securities or currencies, including technical influences in Futures trading;
and   differences  between  the  financial  instruments  being  hedged  and  the
instruments underlying the standard Futures  Contracts available for trading.  A
decision of whether, when and how to hedge involves skill and judgment, and even
a  well-conceived hedge may be unsuccessful to some degree because of unexpected
market behavior or interest or currency rate trends.
 
Because of  the  low  margin  deposits required,  Futures  trading  involves  an
extremely  high  degree  of leverage.  As  a  result, a  relatively  small price
movement in a Futures Contract may result in immediate and substantial loss,  as
well  as gain, to the investor. For example,  if at the time of purchase, 10% of
the value  of the  Futures Contract  is deposited  as margin,  a subsequent  10%
decrease  in the value of  the Futures Contract would result  in a total loss of
the margin  deposit, before  any deduction  for the  transaction costs,  if  the
account  were then closed  out. A 15% decrease  would result in  a loss equal to
150% of the original  margin deposit, if the  Futures Contract were closed  out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily  limit establishes the maximum amount that the price of a Futures Contract
or option may vary either up or down from the previous day's settlement price at
the end  of a  trading session.  Once  the daily  limit has  been reached  in  a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a  particular trading day and therefore does not limit potential losses, because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and option  prices  have occasionally  moved  to  the daily  limit  for  several
consecutive  trading days with  little or no  trading, thereby preventing prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If a Theme Portfolio  were unable to  liquidate a Futures  or option on  Futures
position  due to the absence  of a liquid secondary  market or the imposition of
price limits,  it could  incur  substantial losses.  The Theme  Portfolio  would
continue to be subject to market risk with respect to the position. In addition,
except  in the case of purchased options,  the Theme Portfolio would continue to
be required to  make daily variation  margin payments and  might be required  to
maintain  the position being hedged by the  Future or option or to maintain cash
or securities in a segregated account.
 
                  Statement of Additional Information Page 11
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                             GT GLOBAL THEME FUNDS
 
Certain characteristics  of the  Futures  market might  increase the  risk  that
movements  in the prices  of Futures Contracts  or options on  Futures might not
correlate perfectly  with  movements in  the  prices of  the  investments  being
hedged.  For example,  all participants  in the  Futures and  options on Futures
markets are subject to  daily variation margin calls  and might be compelled  to
liquidate  Futures  or  options on  Futures  positions whose  prices  are moving
unfavorably to avoid being  subject to further  calls. These liquidations  could
increase  price  volatility  of the  instruments  and distort  the  normal price
relationship between the Futures  or options and  the investments being  hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous  than  margin requirements  in the  securities  markets, there  might be
increased  participation   by  speculators   in   the  Futures   markets.   This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage, "program trading"  and other  investment strategies  might result  in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options  on Futures Contracts are similar to options on securities or currencies
except that options on Futures Contracts give the purchaser the right, in return
for the  premium paid,  to  assume a  position in  a  Futures Contract  (a  long
position if the option is a call and a short position if the option is a put) at
a  specified exercise price  at any time  during the period  of the option. Upon
exercise of the option, the  delivery of the Futures  position by the writer  of
the  option to the holder  of the option will be  accompanied by delivery of the
accumulated balance in the writer's Futures margin account, which represents the
amount by which the market price  of the Futures Contract, at exercise,  exceeds
(in  the case of  a call) or  is less than (in  the case of  a put) the exercise
price of the option on  the Futures Contract. If an  option is exercised on  the
last trading day prior to the expiration date of the option, the settlement will
be  made entirely in cash equal to  the difference between the exercise price of
the option and  the closing level  of the securities,  currencies or index  upon
which  the  Futures Contract  is  based on  the  expiration date.  Purchasers of
options who fail to exercise their options  prior to the exercise date suffer  a
loss of the premium paid.
 
The  purchase of  call options  on Futures can  serve as  a long  hedge, and the
purchase of put  options on Futures  can serve  as a short  hedge. Writing  call
options  on Futures can serve as a  limited short hedge, and writing put options
on Futures can serve as a limited  long hedge, using a strategy similar to  that
used for writing options on securities, foreign currencies or indices.
 
If a Theme Portfolio writes an option on a Futures Contract, it will be required
to  deposit initial  and variation  margin pursuant  to requirements  similar to
those applicable to Futures Contracts. Premiums received from the writing of  an
option on a Futures Contract are included in the initial margin deposit.
 
A  Theme Portfolio may seek to close out an option position by selling an option
covering the  same Futures  Contract  and having  the  same exercise  price  and
expiration  date.  The ability  to  establish and  close  out positions  on such
options is subject to the maintenance of a liquid secondary market.
 
LIMITATIONS ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS  ON
CURRENCIES
   
To  the extent that a Theme Portfolio  enters into Futures Contracts, options on
Futures Contracts, and options on foreign currencies traded on a  CFTC-regulated
exchange,  in each case other than for BONA FIDE hedging purposes (as defined by
the CFTC), the aggregate initial margin and premiums required to establish those
positions (excluding the amount  by which options  are "in-the-money") will  not
exceed  5% of the  liquidation value of  the Theme Portfolio,  after taking into
account unrealized  profits and  unrealized losses  on any  contracts the  Theme
Portfolio  has entered into. In general, a  call option on a Futures Contract is
"in-the-money" if  the value  of  the underlying  Futures Contract  exceeds  the
strike, I.E., exercise, price of the call; a put option on a Futures Contract is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of the put. This guideline may be modified by the Company's and
the Portfolios' Board of  Trustees, as applicable,  without a shareholder  vote.
This  limitation does not limit the percentage  of a Theme Portfolio's assets at
risk to 5%.
    
 
FORWARD CONTRACTS
A Forward Contract is an obligation, usually arranged with a commercial bank  or
other  currency dealer, to purchase or  sell a currency against another currency
at a future  date and price  as agreed upon  by the parties.  A Theme  Portfolio
either  may  accept or  make delivery  of the  currency at  the maturity  of the
Forward Contract. A Theme Portfolio may also, if its contra party agrees,  prior
to  maturity, enter into a closing transaction involving the purchase or sale of
an offsetting contract.
 
A Theme Portfolio engages in  forward currency transactions in anticipation  of,
or  to protect itself against, fluctuations in exchange rates. A Theme Portfolio
might sell a  particular foreign currency  forward, for example,  when it  holds
bonds  denominated  in  a foreign  currency  but  anticipates, and  seeks  to be
protected against, a decline in the currency against the U.S. dollar. Similarly,
a Theme  Portfolio  might sell  the  U.S. dollar  forward  when it  holds  bonds
denominated in U.S.
 
                  Statement of Additional Information Page 12
<PAGE>
                             GT GLOBAL THEME FUNDS
dollars  but anticipates, and  seeks to be  protected against, a  decline in the
U.S. dollar  relative to  other  currencies. Further,  a Theme  Portfolio  might
purchase  a currency forward to "lock in" the price of securities denominated in
that currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any  stage  for  trades.  Each  Theme Portfolio  will  enter  into  such Forward
Contracts with major U.S. or foreign banks and securities or currency dealers in
accordance with guidelines approved by the Portfolios' or the Company's Board of
Trustees, as applicable.
    
 
A Theme  Portfolio may  enter  into Forward  Contracts  either with  respect  to
specific  transactions  or with  respect to  overall  investments of  that Theme
Portfolio. The precise matching of the Forward Contract amounts and the value of
specific securities generally will not be  possible because the future value  of
such  securities in  foreign currencies will  change as a  consequence of market
movements in the value of those securities between the date the Forward Contract
is entered into and the  date it matures. Accordingly,  it may be necessary  for
that  Theme Portfolio to purchase additional foreign currency on the spot (I.E.,
cash) market (and bear the expense of such purchase) if the market value of  the
security  is less  than the  amount of foreign  currency the  Theme Portfolio is
obligated to deliver and  if a decision  is made to sell  the security and  make
delivery of the foreign currency. Conversely, it may be necessary to sell on the
spot  market some of  the foreign currency  the Theme Portfolio  is obligated to
deliver. The projection  of short-term  currency market  movements is  extremely
difficult,  and the  successful execution  of a  short-term hedging  strategy is
highly uncertain. Forward Contracts involve  the risk that anticipated  currency
movements will not be predicted accurately, causing a Theme Portfolio to sustain
losses on these contracts and transaction costs.
 
At  or before the maturity of a  Forward Contract requiring a Theme Portfolio to
sell a currency, that  Theme Portfolio either  may sell a  security and use  the
sale proceeds to make delivery of the currency or retain the security and offset
its  contractual  obligation  to deliver  the  currency by  purchasing  a second
contract pursuant to which the Theme Portfolio will obtain, on the same maturity
date, the  same  amount  of  the  currency that  it  is  obligated  to  deliver.
Similarly,  a Theme Portfolio may  close out a Forward  Contract requiring it to
purchase a specified currency by entering into a second contract, if its  contra
party  agrees, entitling it to sell the same  amount of the same currency on the
maturity date of the first contract. A  Theme Portfolio would realize a gain  or
loss  as a  result of  entering into such  an offsetting  Forward Contract under
either circumstance  to  the extent  the  exchange  rate or  rates  between  the
currencies  involved moved between the execution dates of the first contract and
the offsetting contract.
 
The cost  to a  Theme Portfolio  of engaging  in Forward  Contracts varies  with
factors  such as the currencies involved, the  length of the contract period and
the market conditions  then prevailing.  Because Forward  Contracts are  usually
entered  into on a principal basis, no fees or commissions are involved. The use
of Forward  Contracts does  not  eliminate fluctuations  in  the prices  of  the
underlying  securities a Theme Portfolio owns or intends to acquire, but it does
establish a rate  of exchange in  advance. In addition,  while Forward  Contract
sales  limit  the risk  of loss  due to  a decline  in the  value of  the hedged
currencies, they also  limit any  potential gain  that might  result should  the
value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
A  Theme Portfolio  may use  options on  foreign currencies,  Futures on foreign
currencies, options on Futures on  foreign currencies and Forward Contracts,  to
hedge  against movements in  the values of  the foreign currencies  in which the
Theme Portfolio's securities are denominated.  Such currency hedges can  protect
against  price movements in a security that  the Theme Portfolio owns or intends
to acquire that  are attributable to  changes in  the value of  the currency  in
which  it is  denominated. Such  hedges do  not, however,  protect against price
movements in the securities that are attributable to other causes.
 
   
A Theme  Portfolio  might seek  to  hedge against  changes  in the  value  of  a
particular  currency  when  no  Futures  Contract,  Forward  Contract  or option
involving that currency is available or one of such contracts is more  expensive
than  certain  other contracts.  In such  cases, the  Theme Portfolio  may hedge
against price movements in that currency by entering into a contract on  another
currency  or basket of currencies, the  values of which the Sub-adviser believes
will have a positive correlation to the value of the currency being hedged.  The
risk  that movements in the  price of the contract  will not correlate perfectly
with movements in the price of the currency being hedged is magnified when  this
strategy is used.
    
 
The  value of Futures Contracts, options on Futures Contracts, Forward Contracts
and options  on  foreign currencies  depends  on  the value  of  the  underlying
currency  relative  to the  U.S. dollar.  Because foreign  currency transactions
occurring in the  interbank market  might involve  substantially larger  amounts
than  those  involved in  the  use of  Futures  Contracts, Forward  Contracts or
options, a Theme  Portfolio could  be disadvantaged by  dealing in  the odd  lot
market
 
                  Statement of Additional Information Page 13
<PAGE>
                             GT GLOBAL THEME FUNDS
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying foreign currencies at prices that  are less favorable than for  round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or  any  regulatory requirements  that quotations  available through  dealers or
other market sources be firm or revised on a timely basis. Quotation information
generally is representative of very  large transactions in the interbank  market
and  thus  might not  reflect  odd-lot transactions  where  rates might  be less
favorable.  The   interbank  market   in  foreign   currencies  is   a   global,
round-the-clock  market. To the  extent the U.S. options  or Futures markets are
closed while the markets for the underlying currencies remain open,  significant
price  and rate movements might take place in the underlying markets that cannot
be reflected in  the markets  for the Futures  contracts or  options until  they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies  might  be required  to  take place  within  the country  issuing the
underlying currency. Thus, a Theme Portfolio might be required to accept or make
delivery of  the underlying  foreign currency  in accordance  with any  U.S.  or
foreign regulations regarding the maintenance of foreign banking arrangements by
U.S.  residents  and  might be  required  to  pay any  fees,  taxes  and charges
associated with such delivery assessed in the issuing country.
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased  by  a Theme  Portfolio)  expose  the Theme  Portfolio  to an
obligation to another  party. A  Theme Portfolio will  not enter  into any  such
transactions  unless it  owns either (1)  an offsetting  ("covered") position in
securities, currencies, or other options, Forward Contracts or Future Contracts,
or (2) cash, receivables and short-term debt securities with a value  sufficient
at  all times to cover its potential  obligations not covered as provided in (1)
above. Each Theme Portfolio will comply with SEC guidelines regarding cover  for
these  instruments and, if the  guidelines so require, set  aside cash or liquid
securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of a Theme Portfolio's assets is used for cover or otherwise set aside, it could
affect portfolio management or the Theme Portfolio's ability to meet  redemption
requests or other current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
   
Each  Theme  Portfolio  may invest  up  to 15%  of  its net  assets  in illiquid
securities. Securities may be  considered illiquid if  a Theme Portfolio  cannot
reasonably  expect within seven days to  sell the security for approximately the
amount at which  that Theme  Portfolio values such  securities. See  "Investment
Limitations."  The sale  of illiquid  securities, if  they can  be sold  at all,
generally will  require more  time and  result in  higher brokerage  charges  or
dealer  discounts  and  other selling  expenses  than  will the  sale  of liquid
securities such as securities eligible for trading on U.S. securities  exchanges
or  in OTC markets.  Moreover, restricted securities, which  may be illiquid for
purposes of  this limitation,  often sell,  if at  all, at  a price  lower  than
similar securities that are not subject to restrictions on resale.
    
 
Illiquid  securities include those that are subject to restrictions contained in
the securities  laws of  other countries.  However, securities  that are  freely
marketable  in the country where  they are principally traded,  but would not be
freely marketable in the United States,  will not be considered illiquid.  Where
registration  is required, a Theme Portfolio may be obligated to pay all or part
of the registration expenses  and a considerable period  may elapse between  the
time  of the decision to sell and the  time the Theme Portfolio may be permitted
to sell a security under an effective registration statement. If, during such  a
period,  adverse market  conditions were to  develop, the  Theme Portfolio might
obtain a less favorable price than prevailed when it decided to sell.
 
Not  all  restricted  securities   are  illiquid.  In   recent  years  a   large
institutional   market  has  developed  for  certain  securities  that  are  not
registered under the Securities Act of 1933, as amended ("1933 Act"),  including
private  placements, repurchase agreements, commercial paper, foreign securities
and corporate bonds and notes. These instruments are often restricted securities
because the  securities are  sold in  transactions not  requiring  registration.
Institutional investors generally will not
 
                  Statement of Additional Information Page 14
<PAGE>
                             GT GLOBAL THEME FUNDS
seek  to sell these  instruments to the  general public, but  instead will often
depend either on an  efficient institutional market  in which such  unregistered
securities can be readily resold or on an issuer's ability to honor a demand for
repayment.  Therefore, the fact that there are contractual or legal restrictions
on resale to the  general public or certain  institutions is not dispositive  of
the liquidity of such investments.
 
Rule  144A under the 1933 Act establishes  a "safe harbor" from the registration
requirements of the  1933 Act  for resales  of certain  securities to  qualified
institutional  buyers.  Institutional  markets  for  restricted  securities have
developed as a result of Rule 144A, providing both readily ascertainable  values
for  restricted securities and the ability to liquidate an investment to satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance and  settlement of  unregistered securities  of domestic  and  foreign
issuers,  such as  the PORTAL  System sponsored  by the  National Association of
Securities Dealers,  Inc.  An  insufficient number  of  qualified  institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
a  Theme Portfolio,  however, could affect  adversely the  marketability of such
portfolio securities and the Theme Portfolio might be unable to dispose of  such
securities promptly or at favorable prices.
 
   
With  respect  to liquidity  determinations  generally, the  Portfolios'  or the
Company's Board of Trustees, as applicable, has the ultimate responsibility  for
determining   whether  specific  securities,   including  restricted  securities
pursuant to Rule 144A under the 1933 Act, are liquid or illiquid. Each Board has
delegated the function of making  day-to-day determinations of liquidity to  the
Sub-adviser,   in  accordance  with  procedures  approved  by  that  Board.  The
Sub-adviser takes  into  account  a  number of  factors  in  reaching  liquidity
decisions,  including, but not limited  to, (i) the frequency  of trading in the
security; (ii) the number  of dealers that make  quotes for the security;  (iii)
the  number of dealers  that have undertaken  to make a  market in the security;
(iv) the  number  of other  potential  purchasers; and  (v)  the nature  of  the
security  and  how  trading is  effected  (e.g.,  the time  needed  to  sell the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser  monitors the liquidity  of securities held  by each Theme Portfolio
and periodically reports such determinations to the Portfolios' or the Company's
Board of Trustees, as applicable. If  the liquidity percentage restriction of  a
Theme  Portfolio is satisfied at the time of investment, a later increase in the
percentage of illiquid securities held by  the Theme Portfolio resulting from  a
change  in  market value  or  assets will  not  constitute a  violation  of that
restriction. If  as  a  result of  a  change  in market  value  or  assets,  the
percentage  of illiquid securities  held by the  Theme Portfolio increases above
the applicable limit, the Sub-adviser will  take appropriate steps to bring  the
aggregate  amount of illiquid  assets back within  the prescribed limitations as
soon  as  reasonably  practicable,  taking  into  account  the  effect  of   any
disposition on the Theme Portfolio.
    
 
FOREIGN SECURITIES
    POLITICAL,  SOCIAL AND ECONOMIC  RISKS. Investing in  securities of non-U.S.
companies may entail additional risks due to the potential political, social and
economic instability  of  certain  countries and  the  risks  of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment convertibility of currencies into U.S. dollars and on repatriation of
capital invested. In the event  of such expropriation, nationalization or  other
confiscation  by any country, a Theme Portfolio could lose its entire investment
in any such country.
 
    RELIGIOUS, POLITICAL AND  ETHNIC INSTABILITY. Certain  countries in which  a
Theme  Portfolio may invest  may have groups that  advocate radical religious or
revolutionary philosophies or  support ethnic independence.  Any disturbance  on
the   part  of  such  individuals  could  carry  the  potential  for  widespread
destruction or  confiscation  of  property owned  by  individuals  and  entities
foreign  to  such  country and  could  cause  the loss  of  a  Theme Portfolio's
investment in those  countries. Instability  may also result  from, among  other
things;  (i) authoritarian governments or  military involvement in political and
economic   decision-making,    including   changes    in   government    through
extra-constitutional  means;  (ii) popular  unrest  associated with  demands for
improved political, economic and social conditions; and (iii) hostile  relations
with  neighboring  or  other  countries.  Such  political,  social  and economic
instability could  disrupt the  principal  financial markets  in which  a  Theme
Portfolio invests and adversely affect the value of a Theme Portfolio's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial restrictions on investments  in their capital markets,  particularly
their  equity  markets, by  foreign entities  such as  a Theme  Portfolio. These
restrictions or controls may  at times limit or  preclude investment in  certain
securities  and may  increase the  cost and expenses  of a  Theme Portfolio. For
example,  certain   countries  require   prior  governmental   approval   before
investments  by  foreign  persons  may  be made,  or  may  limit  the  amount of
investment by foreign persons in a particular company or limit the investment by
foreign persons to only  a specific class  of securities of  a company that  may
have  less  advantageous  terms than  securities  of the  company  available for
purchase by nationals. Moreover, the national policies of certain countries  may
restrict  investment opportunities in issuers  or industries deemed sensitive to
national interests. In  addition, some countries  require governmental  approval
for the repatriation of investment income, capital or the proceeds of securities
sales  by  foreign investors.  In addition,  if  there is  a deterioration  in a
country's   balance   of   payments   of   for   other   reasons,   a    country
 
                  Statement of Additional Information Page 15
<PAGE>
                             GT GLOBAL THEME FUNDS
may impose restrictions on foreign capital remittances abroad. A Theme Portfolio
could  be adversely affected by  delays in, or a  refusal to grant, any required
governmental approval for repatriation, as well  as by the application to it  of
other restrictions on investments.
 
   
    NON-UNIFORM  CORPORATE  DISCLOSURE  STANDARDS  AND  GOVERNMENTAL REGULATION.
Foreign companies are  subject to accounting,  auditing and financial  standards
and requirements that differ, in some cases significantly, from those applicable
to  U.S. companies. In particular, the assets, liabilities and profits appearing
on the financial  statements of  such a company  may not  reflect its  financial
position  or results of operations  in the way they  would be reflected had such
financial statements been  prepared in accordance  with U.S. generally  accepted
accounting  principles. Most of the foreign securities held by a Theme Portfolio
will not be registered with  the SEC or regulators  of any foreign country,  nor
will  the issuers thereof be subject  to the SEC's reporting requirements. Thus,
there will  be less  available information  concerning most  foreign issuers  of
securities  held by a Theme Portfolio than is available concerning U.S. issuers.
In instances  where the  financial statements  of an  issuer are  not deemed  to
reflect  accurately the financial situation of  the issuer, the Sub-adviser will
take appropriate steps to  evaluate the proposed  investment, which may  include
on-site   inspection  of  the   issuer,  interviews  with   its  management  and
consultations  with  accountants,  bankers  and  other  specialists.  There   is
substantially  less publicly available information  about foreign companies than
there are  reports and  ratings  published about  U.S.  companies and  the  U.S.
government.  In addition, where public information  is available, it may be less
reliable than such information regarding U.S. issuers. Issuers of securities  in
foreign jurisdictions are generally not subject to the same degree of regulation
as  are U.S.  issuers with  respect to  such matters  as restrictions  on market
manipulation, insider trading rules,  shareholder proxy requirements and  timely
disclosure of information.
    
 
    CURRENCY   FLUCTUATIONS.   Because  each   Theme  Portfolio,   under  normal
circumstances, will invest  a substantial  portion of  its total  assets in  the
securities  of foreign issuers which are  denominated in foreign currencies, the
strength or weakness  of the U.S.  dollar against such  foreign currencies  will
account for part of a Theme Portfolio's investment performance. A decline in the
value of any particular currency against the U.S. dollar will cause a decline in
the  U.S. dollar value of that Theme Portfolio's holdings of securities and cash
denominated in such currency  and, therefore, will cause  an overall decline  in
the appropriate Fund's net asset value and any net investment income and capital
gains  derived  from  such  securities  to be  distributed  in  U.S.  dollars to
shareholders of that Fund. Moreover, if  the value of the foreign currencies  in
which  a Theme Portfolio receives  its income falls relative  to the U.S. dollar
between receipt of the income and  the making of Theme Portfolio  distributions,
the  Theme Portfolio may  be required to  liquidate securities in  order to make
distributions if the Theme  Portfolio has insufficient cash  in U.S. dollars  to
meet distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors, including the  supply and demand for particular  currencies,
central  bank efforts to support particular currencies, the relative movement of
interest rates and the pace of business activity in the other countries and  the
United  States, and other economic and  financial conditions affecting the world
economy.
 
Although each Theme Portfolio values its assets daily in terms of U.S.  dollars,
the  Portfolios do  not intend to  convert their holdings  of foreign currencies
into U.S. dollars  on a daily  basis. Each Portfolio  will do so,  from time  to
time,  and  investors  should be  aware  of  the costs  of  currency conversion.
Although foreign exchange dealers  do not charge a  fee for conversion, they  do
realize  a profit based on the difference ("spread") between the prices at which
they buy and sell various currencies. Thus, a dealer may offer to sell a foreign
currency to a Portfolio at  one rate, while offering  a lesser rate of  exchange
should a Portfolio desire to sell the currency to the dealer.
 
   
    ADVERSE  MARKET CHARACTERISTICS. Securities  of many foreign  issuers may be
less liquid and their  prices more volatile than  securities of comparable  U.S.
issuers.  In  addition, foreign  securities  markets and  brokers  generally are
subject to  less governmental  supervision  and regulation  than in  the  United
States,  and  foreign  securities  transactions  usually  are  subject  to fixed
commissions, which  generally are  higher than  negotiated commissions  on  U.S.
transactions.  In addition,  foreign securities  transactions may  be subject to
difficulties associated  with the  settlement of  such transactions.  Delays  in
settlement  could result in  temporary periods when assets  of a Theme Portfolio
are uninvested  and  no return  is  earned thereon.  The  inability of  a  Theme
Portfolio  to make intended security purchases  due to settlement problems could
cause  that  Theme  Portfolio  to  miss  attractive  investment   opportunities.
Inability  to dispose of a portfolio  security due to settlement problems either
could result in  losses to that  Theme Portfolio due  to subsequent declines  in
value  of the portfolio security or, if  that Theme Portfolio has entered into a
contract to  sell  the security,  could  result  in possible  liability  to  the
purchaser.  The Sub-adviser will consider such difficulties when determining the
allocation of  a Theme  Portfolio's assets,  although the  Sub-adviser does  not
believe  that such difficulties will  have a material adverse  effect on a Theme
Portfolio's portfolio trading activities.
    
 
                  Statement of Additional Information Page 16
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Each Theme Portfolio  may use  foreign custodians,  which may  involve risks  in
addition  to those  related to  its use of  U.S. custodians.  Such risks include
uncertainties relating  to determining  and monitoring  the foreign  custodian's
financial  strength, reputation and standing; maintaining appropriate safeguards
concerning that  Theme Portfolio's  investments;  and possible  difficulties  in
obtaining and enforcing judgments against such custodians.
 
    WITHHOLDING TAXES. Each Theme Portfolio's net investment income from foreign
issuers  may be  subject to withholding  taxes by the  foreign issuer's country,
thereby reducing that Theme  Portfolio's net investment  income or delaying  the
receipt of income when those taxes may be recaptured. See "Taxes."
 
    CONCENTRATION. To the extent a Theme Portfolio invests a significant portion
of its assets in securities of issuers located in a particular country or region
of  the world, such Portfolio may be subject to greater risks and may experience
greater volatility than a fund that is more broadly diversified geographically.
 
   
    SPECIAL CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The  countries
that  are members of the European Economic Community ("Common Market") (Belgium,
Denmark, France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg,  Netherlands,
Portugal,  Spain, and the United Kingdom)  eliminated certain import tariffs and
quotas and  other trade  barriers with  respect  to one  another over  the  past
several  years. The Sub-adviser  believes that this  deregulation should improve
the prospects  for economic  growth in  many Western  European countries.  Among
other  things, the deregulation could enable  companies domiciled in one country
to avail  themselves  of lower  labor  costs  existing in  other  countries.  In
addition,  this deregulation could benefit companies domiciled in one country by
opening additional  markets for  their goods  and services  in other  countries.
Since,  however, it is not  clear what the exact form  or effect of these Common
Market reforms  will be  on business  in  Western Europe,  it is  impossible  to
predict  the long-term  impact of  the implementation  of these  programs on the
securities owned by a Theme Portfolio.
    
 
    SPECIAL CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN  COUNTRIES.
Investing  in Russia  and Eastern European  countries involves a  high degree of
risk and special considerations not  typically associated with investing in  the
United  States securities markets, and  should be considered highly speculative.
Such risks include: (1)  delays in settling portfolio  transactions and risk  of
loss  arising out of the system of  share registration and custody; (2) the risk
that it may be impossible  or more difficult than  in other countries to  obtain
and/or  enforce a  judgement; (3) pervasiveness  of corruption and  crime in the
economic system; (4) currency exchange rate volatility and the lack of available
currency hedging instruments; (5) higher rates of inflation (including the  risk
of   social  unrest  associated  with   periods  of  hyper-inflation)  and  high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign investors and limitations on  repatriation of invested capital,  profits
and  dividends, and on  a fund's ability  to exchange local  currencies for U.S.
dollars; (7) political instability and social unrest and violence; (8) the  risk
that  the governments of Russia and Eastern European countries may decide not to
continue to support the economic reform programs implemented recently and  could
follow  radically different political and/or  economic policies to the detriment
of investors,  including non-market-oriented  policies such  as the  support  of
certain  industries at the expense of other sectors or investors, or a return to
the centrally planned economy that existed  when such countries had a  communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of  international trade; (11)  the risk that  the tax system  in these countries
will not  be reformed  to prevent  inconsistent, retroactive  and/or  exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly  since 1990. The general government position has deteriorated as a
result of weakening economic  growth and stimulative  measures taken to  support
economic  activity and to  restore financial stability.  Although the decline in
interest  rates  and  fiscal  stimulation   packages  have  helped  to   contain
recessionary  forces, uncertainties remain. Japan is also heavily dependent upon
international trade, so its  economy is especially  sensitive to trade  barriers
and  disputes.  Japan has  had difficult  relations  with its  trading partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible that  trade sanctions  and other  protectionist measures  could  impact
Japan adversely in both the short and the long term.
 
The  common  stocks  of many  Japanese  companies trade  at  high price-earnings
ratios. Differences  in accounting  methods  make it  difficult to  compare  the
earnings  of  Japanese companies  with those  of  companies in  other countries,
especially in the  U.S. In  general, however, reported  net income  in Japan  is
understated  relative to  U.S. accounting standards  and this is  one reason why
price-earnings  ratios  of  the  stocks   of  Japanese  companies  have   tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally  been lower than  in the  U.S., both of
which factors tend to result in  lower discount rates and higher  price-earnings
ratios in Japan than in the U.S.
 
                  Statement of Additional Information Page 17
<PAGE>
                             GT GLOBAL THEME FUNDS
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
Jurisdictional  disputes  also exist  between South  Korea  and North  Korea. In
addition, the  Theme Portfolios  may  invest in  Hong  Kong, which  reverted  to
Chinese  Administration on July 1, 1997. Investments in Hong Kong may be subject
to expropriation, national,  nationalization or  confiscation, in  which case  a
Theme  Portfolio could lose its entire investment in Hong Kong. In addition, the
reversion of Hong Kong also  presents a risk that the  Hong Kong dollar will  be
devalued  and a  risk of  possible loss  of investor  confidence in  Hong Kong's
currency, stock market and assets.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American  countries have experienced substantial,  and in some periods extremely
high, rates of  inflation for many  years. Inflation and  rapid fluctuations  in
inflation  rates have had and may continue  to have very negative effects on the
economies and securities  markets of certain  Latin American countries.  Certain
Latin  American countries are also among the largest debtors to commercial banks
and foreign governments. At times certain Latin American countries have declared
moratoria on  the payment  of principal  and/or interest  on external  debt.  In
addition,  certain  Latin  American  securities  markets  have  experienced high
volatility in recent years.
 
Latin American countries may  also close certain sectors  of their economies  to
equity  investments  by foreigners.  Further due  to  the absence  of securities
markets and  publicly  owned corporations  and  due to  restrictions  on  direct
investment  by foreign entities,  investments may only be  made in certain Latin
American  countries  solely   or  primarily   through  governmentally   approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at  artificial levels to the U.S. dollar rather than at levels determined by the
market. This type  of system can  lead to  sudden and large  adjustments in  the
currency  which, in turn, can  have a disruptive and  negative effect on foreign
investors. For example, in late  1994, the value of  the Mexican peso lost  more
than one-third of its value relative to the U.S. dollar.
 
    SPECIAL   CONSIDERATIONS  AFFECTING  EMERGING   MARKETS.  Investing  in  the
securities of companies in emerging markets may entail special risks relating to
potential political and  economic instability  and the  risks of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility of currencies into  U.S. dollars and on  repatriation
of  capital invested.  In the  event of  such expropriation,  nationalization or
other confiscation  by any  country, a  Theme Portfolio  could lose  its  entire
investment in any such country.
 
Emerging  securities  markets are  substantially  smaller, less  developed, less
liquid and more volatile than the major securities markets. The limited size  of
emerging  securities markets and  limited trading volume  in issuers compared to
the volume of trading in  U.S. securities could cause  prices to be erratic  for
reasons  apart  from factors  that  affect the  quality  of the  securities. For
example, limited market size may cause prices to be unduly influenced by traders
who control  large  positions.  Adverse publicity  and  investors'  perceptions,
whether  or  not  based on  fundamental  analysis,  may decrease  the  value and
liquidity of portfolio  securities, especially  in these  markets. In  addition,
securities traded in certain emerging markets may be subject to risks due to the
inexperience  of financial intermediaries, a lack of modern technology, the lack
of a sufficient capital base to expand business operations, and the  possibility
of permanent or temporary termination of trading.
 
Settlement  mechanisms in emerging securities markets  may be less efficient and
reliable than in  more developed  markets. In such  emerging securities  markets
there may be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and may  continue to  have  negative effects  on  the economics  and  securities
markets of certain emerging market countries.
 
                  Statement of Additional Information Page 18
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
                             INVESTMENT LIMITATIONS
    
 
- --------------------------------------------------------------------------------
 
   
FEEDER FUNDS
    
   
The  Financial Services  Fund, Infrastructure  Fund, Natural  Resources Fund and
Consumer  Products  and  Services  Fund  each  has  the  following   fundamental
investment  policy to enable  it to invest in  the Financial Services Portfolio,
Infrastructure Portfolio, Natural Resources Portfolio and Consumer Products  and
Services Portfolio, respectively:
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of   its  investable  assets  (cash,   securities  and  receivables  related  to
securities) in an  open-end management investment  company having  substantially
the same investment objective, policies and limitations as the Fund.
    
 
   
All  other fundamental  investment policies, and  the non-fundamental investment
policies, of each  Feeder Fund  and its corresponding  Portfolio are  identical.
Therefore,  although  the following  discusses the  investment policies  of each
Portfolio and its Board of Trustees, it applies equally to each Feeder Fund  and
its Board of Trustees.
    
 
   
Each  Portfolio has adopted the  following investment limitations as fundamental
policies that (unless otherwise  noted) may not be  changed without approval  by
the  affirmative  vote of  the  lesser of  (i)  67% of  that  Portfolio's voting
securities represented at a  meeting at which more  than 50% of its  outstanding
voting  securities are  represented, or  (ii) more  than 50%  of its outstanding
voting securities. Whenever a Feeder  Fund is requested to  vote on a change  in
the  investment limitations of its corresponding Portfolio, the Fund will hold a
meeting of  its  shareholders and  will  cast its  votes  as instructed  by  its
shareholders.
    
 
   
No Portfolio may:
    
 
   
        (1)  Purchase or sell real estate, except that investments in securities
    of issuers that  invest in  real estate and  investments in  mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Portfolio  may  exercise  rights  under  agreements  relating  to  such
    securities,  including the right  to enforce security  interests and to hold
    real estate acquired by  reason of such enforcement  until that real  estate
    can be liquidated in an orderly manner;
    
 
   
        (2)  Purchase  or  sell  physical  commodities,  but  the  Portfolio may
    purchase, sell or enter into financial options and futures, forward and spot
    currency contracts,  swap  transactions  and other  financial  contracts  or
    derivative instruments;
    
 
   
        (3)  Engage in the business of underwriting securities of other issuers,
    except to the extent that the  Portfolio might be considered an  underwriter
    under  the federal  securities laws  in connection  with its  disposition of
    portfolio securities;
    
 
   
        (4) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act  and then not  in excess of  33 1/3% of  the Portfolio's total
    assets (including the  amount borrowed  but reduced by  any liabilities  not
    constituting  borrowings)  at the  time of  the  borrowing, except  that the
    Portfolio may  borrow  up to  an  additional 5%  of  its total  assets  (not
    including the amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6)  Purchase securities of any one issuer if, as a result, more than 5%
    of the Portfolio's  total assets  would be  invested in  securities of  that
    issuer  or the Portfolio would own or  hold more than 10% of the outstanding
    voting securities of that issuer, except  that up to 25% of the  Portfolio's
    total  assets may be invested without  regard to this limitation, and except
    that this limitation does  not apply to securities  issued or guaranteed  by
    the  U.S.  government, its  agencies or  instrumentalities or  to securities
    issued by other investment companies.
    
 
   
The following investment policies of each Portfolio are not fundamental policies
and may  be  changed  by vote  of  the  Portfolios' Board  of  Trustees  without
shareholder approval. No Portfolio may:
    
 
   
        (1)  Invest in securities of an issuer if the investment would cause the
    Portfolio to own more than 10% of any class of securities of any one issuer;
    
 
                  Statement of Additional Information Page 19
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
        (2) Invest  in  companies  for  the purpose  of  exercising  control  or
    management;
    
 
   
        (3)  Invest  more than  15% of  its net  assets in  illiquid securities,
    including securities that are illiquid by virtue of the absence of a readily
    available market;
    
 
   
        (4) Enter into a futures contract,  an option on a futures contract,  or
    an  option on foreign currency traded  on a CFTC-regulated exchange, in each
    case other than for BONA FIDE hedging purposes (as defined by the CFTC),  if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5%  of the liquidation value of the Portfolio's portfolio, after taking into
    account unrealized  profits  and  unrealized losses  on  any  contracts  the
    Portfolio has entered into;
    
 
   
        (5)  Make any additional  investments while borrowings  exceed 5% of the
    Portfolio's total assets;
    
 
   
        (6) Invest  more  than  10% of  its  total  assets in  shares  of  other
    investment  companies and may not invest more than 5% of its total assets in
    any one investment company or acquire more than 3% of the outstanding voting
    securities of any one investment company;
    
 
   
        (7) Purchase  securities on  margin, provided  that each  Portfolio  may
    obtain short-term credits as may be necessary for the clearance of purchases
    and  sales of securities,  and further provided that  the Portfolio may make
    margin deposits in connection with its use of financial options and futures,
    forward and spot currency contracts,  swap transactions and other  financial
    contracts or derivative instruments; or
    
 
   
        (8)  Mortgage, pledge, or  hypothecate any of  its assets, provided that
    this shall not apply  to the transfer of  securities in connection with  any
    permissible  borrowing  or  to collateral  arrangements  in  connection with
    permissible activities.
    
 
   
Investors should refer to the Prospectus for further information with respect to
the investment objective of each Feeder  Fund, which may not be changed  without
the  approval of Fund shareholders, and its corresponding Portfolio's investment
objective, which may be  changed without the approval  of its shareholders,  and
other  investment policies, techniques and limitations,  which may or may not be
changed without shareholder approval.
    
 
   
HEALTH CARE FUND
    
   
The Health  Care  Fund  has  adopted the  following  investment  limitations  as
fundamental  policies, which (unless otherwise noted) may not be changed without
approval by  the  affirmative vote  of  the lesser  of  (i) 67%  of  its  shares
represented  at a meeting at  which more than 50%  of the outstanding shares are
represented, or (ii) more than 50% of the outstanding shares.
    
 
   
The Health Care Fund may not:
    
 
   
        (1) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in real  estate and  investments in mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Health Care Fund may exercise  rights under agreements relating to such
    securities, including the right  to enforce security  interests and to  hold
    real  estate acquired by  reason of such enforcement  until that real estate
    can be liquidated in an orderly manner;
    
 
   
        (2) Engage in the business of underwriting securities of other  issuers,
    except  to  the extent  that the  Health  Care Fund  might be  considered an
    underwriter under  the  federal  securities  laws  in  connection  with  its
    disposition of portfolio securities;
    
 
   
        (3)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (4)  Purchase or sell physical commodities, but the Health Care Fund may
    purchase, sell or enter into financial options and futures, forward and spot
    currency contracts,  swap  transactions  and other  financial  contracts  or
    derivative instruments;
    
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and  then not in excess  of 33 1/3% of  the Health Care  Fund's
    total  assets (including the amount borrowed  but reduced by any liabilities
    not constituting borrowings) at the time  of the borrowing, except that  the
    Health  Care Fund may borrow up to an additional 5% of its total assets (not
    including the amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6) Purchase securities of any one issuer if, as a result, more than  5%
    of  the Health Care Fund's  total assets would be  invested in securities of
    that issuer or the Health Care Fund would  own or hold more than 10% of  the
    outstanding  voting securities of that issuer, except  that up to 25% of the
    Health   Care    Fund's   total    assets    may   be    invested    without
    
 
                  Statement of Additional Information Page 20
<PAGE>
                             GT GLOBAL THEME FUNDS
   
    regard to this limitation, and except that this limitation does not apply to
    securities  issued or  guaranteed by  the U.S.  government, its  agencies or
    instrumentalities or to securities issued by other investment companies.
    
 
   
Notwithstanding any other investment policy of the Health Care Fund, the  Health
Care  Fund  may  invest  all  of its  investable  assets  (cash,  securities and
receivables related to securities) in an open-end management investment  company
having  substantially the same investment objective, policies and limitations as
the Fund.
    
 
   
The following investment policies  of the Health Care  Fund are not  fundamental
policies  and may be changed by vote of the Health Care Fund's Board of Trustees
without shareholder approval. The Health Care Fund will not:
    
 
   
        (1) Purchase securities for which there is no readily available  market,
    or  enter into repurchase  agreements or purchase  time deposits maturing in
    more than seven days, or  purchase OTC options or  hold assets set aside  to
    cover  OTC options written by the Health Care Fund, if immediately after and
    as a result, the  value of such securities  would exceed, in the  aggregate,
    15% of the Health Care Fund's net assets;
    
 
   
        (2)  Purchase securities on  margin, provided that  the Health Care Fund
    may obtain  short-term credits  as may  be necessary  for the  clearance  of
    purchases and sales of securities, and further provided that the Health Care
    Fund  may  make margin  deposits  in connection  with  its use  of financial
    options and futures, forward and spot currency contracts, swap  transactions
    and other financial contracts or derivative instruments; or
    
 
   
        (3)  Mortgage, pledge, or  hypothecate any of  its assets, provided that
    this shall not apply  to the transfer of  securities in connection with  any
    permissible  borrowing  or  to collateral  arrangements  in  connection with
    permissible activities; or
    
 
   
        (4) Make any additional  investments while borrowings  exceed 5% of  the
    Portfolio's total assets.
    
 
   
Investors should refer to the Prospectus for further information with respect to
the  Health Care Fund's  investment objective, which may  not be changed without
the approval of its shareholders, and other investment policies, techniques  and
limitations, which may be changed without shareholder approval.
    
 
   
TELECOMMUNICATIONS FUND
    
   
The  Telecommunications Fund has adopted the following investment limitations as
fundamental policies, which (unless otherwise noted) may not be changed  without
approval  by  the  affirmative vote  of  the lesser  of  (i) 67%  of  its shares
represented at a meeting at  which more than 50%  of the outstanding shares  are
represented, or (ii) more than 50% of the outstanding shares.
    
 
   
The Telecommunications Fund may not:
    
 
   
        (1)  Purchase or sell real estate, except that investments in securities
    of issuers that  invest in  real estate and  investments in  mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Telecommunications Fund may exercise rights under agreements relating to
    such securities, including the  right to enforce  security interests and  to
    hold  real estate  acquired by  reason of  such enforcement  until that real
    estate can be liquidated in an orderly manner;
    
 
   
        (2) Purchase or  sell physical commodities,  but the  Telecommunications
    Fund may purchase, sell or enter into financial options and futures, forward
    and spot currency contracts, swap transactions and other financial contracts
    or derivative instruments;
    
 
   
        (3)  Engage in the business of underwriting securities of other issuers,
    except to the extent that the Telecommunications Fund might be considered an
    underwriter under  the  federal  securities  laws  in  connection  with  its
    disposition of portfolio securities;
    
 
   
        (4)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and  then not in  excess of 33  1/3% of the  Telecommunications
    Fund's  total  assets  (including the  amount  borrowed but  reduced  by any
    liabilities not  constituting  borrowings) at  the  time of  the  borrowing,
    except that the Telecommunications Fund may borrow up to an additional 5% of
    its  total  assets  (not including  the  amount borrowed)  for  temporary or
    emergency purposes; or
    
 
   
        (6) Purchase securities of any one issuer if, as a result, more than  5%
    of   the  Telecommunications  Fund's  total  assets  would  be  invested  in
    securities of that issuer or the  Telecommunications Fund would own or  hold
    more  than 10% of  the outstanding voting securities  of that issuer, except
    that up to 25% of the Telecommunications Fund's total assets may be invested
    without regard to this limitation, and except that this limitation does  not
    apply to securities
    
 
                  Statement of Additional Information Page 21
<PAGE>
                             GT GLOBAL THEME FUNDS
   
    issued   or   guaranteed   by   the  U.S.   government,   its   agencies  or
    instrumentalities or to securities issued by other investment companies.
    
 
   
Notwithstanding any other investment policy of the Telecommunications Fund,  the
Telecommunications   Fund  may  invest  all  of  its  investable  assets  (cash,
securities and  receivables related  to securities)  in an  open-end  management
investment  company having substantially the same investment objective, policies
and limitations as the Fund.
    
 
   
The following  investment  policies  of  the  Telecommunications  Fund  are  not
fundamental  policies  and may  be changed  by  vote of  the Company's  Board of
Trustees without shareholder approval. The Telecommunications Fund may not:
    
 
   
        (1) Invest in securities of an issuer if the investment would cause  the
    Telecommunications  Fund to own more than 10%  of any class of securities of
    any one issuer;
    
 
   
        (2) Invest  in  companies  for  the purpose  of  exercising  control  or
    management;
    
 
   
        (3)  Invest  more than  15% of  its net  assets in  illiquid securities,
    including securities that are illiquid by virtue of the absence of a readily
    available market;
    
 
   
        (4) Enter into a futures contract,  an option on a futures contract,  or
    an  option on foreign currency traded  on a CFTC-regulated exchange, in each
    case other than for BONA FIDE hedging purposes (as defined by the CFTC),  if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5%  of  the liquidation  value of  the Fund's  portfolio, after  taking into
    account unrealized profits and unrealized  losses on any contracts the  Fund
    has entered into;
    
 
   
        (5)  Make any additional  investments while borrowings  exceed 5% of the
    Telecommunications Fund's total assets;
    
 
   
        (6) Purchase securities on margin, provided that the  Telecommunications
    Fund  may obtain short-term credits as may be necessary for the clearance of
    purchases  and  sales   of  securities,  and   further  provided  that   the
    Telecommunications  Fund may make margin deposits in connection with its use
    of financial options and futures, forward and spot currency contracts,  swap
    transactions and other financial contracts or derivative instruments; or
    
 
   
        (7)  Mortgage, pledge, or  hypothecate any of  its assets, provided that
    this shall not apply  to the transfer of  securities in connection with  any
    permissible  borrowing  or  to collateral  arrangements  in  connection with
    permissible activities.
    
 
   
Investors should refer to the Prospectus for further information with respect to
the Telecommunications Fund's  investment objective,  which may  not be  changed
without  the approval of shareholders, and other investment policies, techniques
and limitations, which may be changed without shareholder approval.
    
 
   
If a  percentage  restriction on  investment  or  utilization of  assets  in  an
investment  policy or  restriction is  adhered to at  the time  an investment is
made, a later change in percentage ownership of a security or kind of securities
resulting from changing market  values or a  similar type of  event will not  be
considered  a  violation  of  a Fund's  or  Portfolio's  investment  policies or
restrictions. A Fund or Portfolio  may exchange securities, exercise  conversion
or  subscription rights,  warrants or other  rights to purchase  common stock or
other equity securities and may hold, except  to the extent limited by the  1940
Act, any such securities so acquired without regard to the Fund's or Portfolio's
investment  policies and  restrictions. The original  cost of  the securities so
acquired will  be  included in  any  subsequent  determination of  a  Fund's  or
Portfolio's  compliance with  the investment percentage  limitations referred to
above and in the Prospectus.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject to policies established  by the Company's and  the Portfolios' Board  of
Trustees,  the  Sub-adviser  is  responsible for  the  execution  of  each Theme
Portfolio's securities  transactions and  the  selection of  broker/dealers  who
execute  such  transactions  on behalf  of  each Theme  Portfolio.  In executing
transactions, the  Sub-adviser  seeks  the  best  net  results  for  each  Theme
Portfolio,  taking  into  account  such  factors  as  the  price  (including the
applicable brokerage commission or dealer spread), size of the order, difficulty
of execution and operational facilities of the firm involved. Although the  Sub-
adviser  generally seeks  reasonably competitive  commission rates  and spreads,
payment of the lowest  commission or spread is  not necessarily consistent  with
the  best net  results. While  each Theme  Portfolio may  engage in  soft dollar
arrangements for research services, as described below, it has no obligation  to
deal  with  any broker/dealer  or group  of broker/dealers  in the  execution of
portfolio transactions.
    
 
   
Consistent with  the interests  of  each Theme  Portfolio, the  Sub-adviser  may
select broker/dealers to execute that Theme Portfolio's portfolio transaction on
the basis of the research and brokerage services they provide to the Sub-adviser
for  its use in managing  that Theme Portfolio and  its other advisory accounts.
Such  services  may  include   furnishing  analyses,  reports  and   information
concerning issuers, industries, securities, geographic regions, economic factors
and  trends,  portfolio strategy,  and  performance of  accounts;  and effecting
securities transactions  and performing  functions incidental  thereto (such  as
clearance  and settlement). Research  and brokerage services  received from such
broker are in  addition to,  and not  in lieu of,  the services  required to  be
performed  by  the Sub-adviser  under the  applicable investment  management and
administration contract. A  commission paid to  such broker may  be higher  than
that  which another qualified  broker would have charged  for effecting the same
transaction, provided that the  Sub-adviser determines in  good faith that  such
commission  is reasonable in terms either  of that particular transaction or the
overall responsibility of the Sub-adviser to that Theme Portfolio and its  other
clients  and that  the total  commissions paid by  that Theme  Portfolio will be
reasonable in relation to the benefits it received over the long term.  Research
services may also be received from dealers who execute portfolio transactions in
OTC markets.
    
 
   
The  Sub-adviser may allocate brokerage  transactions to broker/dealers who have
entered into arrangements under which  the broker/dealer allocates a portion  of
the  commissions paid by a Theme Portfolio  toward payment of its expenses, such
as custodian fees.
    
 
   
Investment decisions for  a Theme  Portfolio and for  other investment  accounts
managed  by the  Sub-adviser are  made independently of  each other  in light of
differing conditions. However, the same investment decision occasionally may  be
made  for two  or more of  such accounts,  including a Theme  Portfolio. In such
cases,  simultaneous  transactions  may  occur.  Purchases  or  sales  are  then
allocated  as to price  or amount in a  manner deemed fair  and equitable to all
accounts involved. While in  some cases this practice  could have a  detrimental
effect  upon the price or value  of the security as far  as a Theme Portfolio is
concerned, in other  cases the  Sub-adviser believes that  coordination and  the
ability  to participate in volume transactions  will be beneficial to that Theme
Portfolio.
    
 
   
Under a policy adopted by the  Company's and the Portfolios' Board of  Trustees,
and subject to the policy of obtaining the best net results, the Sub-adviser may
consider  a broker/dealer's sale of the shares  of the Theme Funds and the other
portfolios  for  which   the  Sub-adviser  serves   as  investment  manager   or
administrator  in  selecting  broker/dealers  for  the  execution  of  portfolio
transactions. This  policy does  not  imply a  commitment to  execute  portfolio
transactions  through all broker/dealers that sell shares of the Theme Funds and
such other portfolios.
    
 
Each Theme Portfolio contemplates purchasing  most foreign equity securities  in
OTC  markets or stock exchanges located in the countries in which the respective
principal offices of the issuers of the various securities are located, if  that
is the best available market. The fixed commissions paid in connection with most
such foreign stock transactions generally are higher than negotiated commissions
on  U.S.  transactions.  There  generally  is  less  government  supervision and
regulation of foreign  stock exchanges and  brokers than in  the United  States.
Foreign  security settlements  may in  some instances  be subject  to delays and
related administrative uncertainties.
 
Foreign equity securities may be held by a Theme Portfolio in the form of  ADRs,
ADSs, EDRs, CDRs or securities convertible into foreign equity securities. ADRs,
ADSs,  EDRs  and  CDRs  may be  listed  on  stock exchanges,  or  traded  in the
 
                  Statement of Additional Information Page 23
<PAGE>
                             GT GLOBAL THEME FUNDS
OTC markets in the United States or Europe, as the case may be. ADRs, like other
securities traded in the United States, will be subject to negotiated commission
rates. The foreign and domestic debt securities and money market instruments  in
which a Theme Portfolio may invest are generally traded in the OTC markets.
 
   
A Theme Portfolio does not have any obligation to deal with any broker/dealer or
group  of broker/dealers in the execution of securities transactions. Each Theme
Portfolio contemplates that, consistent  with the policy  of obtaining the  best
net  results, brokerage transactions may  be conducted through certain companies
that  are  affiliated  with  AIM  or  the  Sub-adviser.  The  Company's  or  the
Portfolios'  Board  of  Trustees,  as  applicable,  has  adopted  procedures  in
conformity with  Rule 17e-1  under the  1940 Act  to ensure  that all  brokerage
commissions  paid to such affiliates  are reasonable and fair  in the context of
the market in which they are  operating. Any such transactions will be  effected
and   related  compensation  paid   only  in  accordance   with  applicable  SEC
regulations.
    
 
   
For the fiscal years ended October 31, 1997, 1996 and 1995, the Health Care Fund
paid aggregate  brokerage commissions  of $1,150,118,  $1,619,500 and  $545,743,
respectively.  For the fiscal years  ended October 31, 1997,  1996 and 1995, the
Telecommunications Fund  paid  aggregate brokerage  commissions  of  $2,254,069,
$2,848,733  and $2,253,982, respectively. For the fiscal years ended October 31,
1997, 1996 and 1995, the  Financial Services Portfolio paid aggregate  brokerage
commissions of $250,893, $77,822 and $38,814, respectively. For the fiscal years
ended  October  31,  1997,  1996 and  1995,  the  Infrastructure  Portfolio paid
aggregate  brokerage   commissions   of   $131,543,   $124,164   and   $122,399,
respectively.  For the fiscal years  ended October 31, 1997,  1996 and 1995, the
Natural Resources Portfolio paid aggregate brokerage commissions of  $1,281,212,
$496,370  and $98,462, respectively. For the fiscal years ended October 31, 1997
and  1996  and  for  the  fiscal  period  December  30,  1994  (commencement  of
operations)  to October 31,  1995, the Consumer  Products and Services Portfolio
paid aggregate  brokerage  commissions  of  $1,454,348,  $356,459  and  $17,605,
respectively.  For the fiscal years ended October  31, 1997 and 1996, the Health
Care Fund paid to GT Bank in Liechtenstein AG, an "affiliated" broker, aggregate
brokerage commissions  of $23,081  and $32,898,  respectively, for  transactions
involving  purchases and sales  of portfolio securities  which represented 2.01%
and 2.03%, respectively, of the total  brokerage commissions paid by the  Health
Care  Fund and 1.61% and 1.71%, respectively,  of the aggregate dollar amount of
transactions involving  payment of  commissions  by the  Health Care  Fund.  For
fiscal  year ended Octover 31, 1997, the Telecommunications Fund paid to GT Bank
in Liechtenstein, AG, an "affiliated" broker, aggregate brokerage commissions of
$220,584 for transactions involving purchases and sales of portfolio  securities
which  represented 1.00% of the total brokerage commissions paid by the Fund and
 .67% of  the  aggregate  dollar  amount of  transactions  involving  payment  of
commissions by the Fund.
    
 
   
PORTFOLIO TRADING AND TURNOVER
    
Although  each Theme Portfolio does not intend generally to trade for short-term
profits, the  securities held  by that  Theme Portfolio  will be  sold  whenever
management  believes it is appropriate to do so, without regard to the length of
time a  particular security  may  have been  held.  Portfolio turnover  rate  is
calculated  by dividing the lesser of sales or purchases of portfolio securities
by  each  Theme  Portfolio's   average  month-end  portfolio  value,   excluding
short-term  investments.  The portfolio  turnover rate  will  not be  a limiting
factor when  management deems  portfolio changes  appropriate. Higher  portfolio
turnover  involves  correspondingly  greater  brokerage  commissions  and  other
transaction costs that the Theme Portfolio will bear directly, and may result in
the realization of net capital gains  that are taxable when distributed to  each
Fund's  shareholders. For the fiscal years ended  October 31, 1996 and 1997, the
Telecommunications  Fund's   portfolio  turnover   rates  were   37%  and   35%,
respectively.  For the fiscal years ended October  31, 1996 and 1997, the Health
Care Fund's portfolio turnover rates were  157% and 149%, respectively. For  the
fiscal  years ended October 31, 1996 and  1997, the portfolio turnover rates for
the Financial Services Portfolio, Infrastructure Portfolio and Natural Resources
Portfolio were 103% and 91%,  41% and 41%, and  94% and 321%, respectively.  For
the  fiscal years ended October 31, 1996  and 1997, the portfolio turnover rates
for  the  Consumer  Products  and   Services  Portfolio  were  169%  and   392%,
respectively.
 
                  Statement of Additional Information Page 24
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
                        TRUSTEES AND EXECUTIVE OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The  Company's and  the Portfolios' Trustees  and Executive  Officers are listed
below. The  term  "Trustees" as  used  below refers  to  the Company's  and  the
Portfolios' Trustees collectively.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international GT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*    Mr.  Guilfoyle is an "interested  person" of the Company  as defined by the
    1940 Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 25
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and                1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Principal Accounting Officer      1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Sub-adviser
Vice President                    since October 1997; Executive Vice President of the Asset Management
50 California Street              Division of Liechtenstein Global Trust since October 1996; Senior Vice
San Francisco, CA 94111           President, General Counsel and Secretary of LGT Asset Management, Inc.,
                                  [Chancellor LGT], GT Global, GT Services and G.T. Insurance from May
                                  1994 to October 1996; Senior Vice President, General Counsel and
                                  Secretary of Strong/Corneliuson Management, Inc. and Secretary of each
                                  of the Strong Funds from October 1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT.]
    
 
                            ------------------------
 
   
The Board of Trustees  has a Nominating and  Audit Committee, comprised of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds and recommending firms  to serve as independent  auditors of the  Company.
Each  of the Trustees and Officers of the  Company is also a Trustee and Officer
of G.T. Investment Portfolios,  GT Global Floating Rate  Fund, GT Global  Series
Trust,  G.T. Global Growth Series, G.T.  Global Eastern Europe Fund, G.T. Global
Variable Investment  Trust,  G.T.  Global  Variable  Investment  Series,  Global
Investment  Portfolio (of which the Portfolios are subtrusts), Growth Portfolio,
Floating Rate  Portfolio  and  Global  High Income  Portfolio,  which  also  are
registered   investment  companies  advised  by   AIM  and  sub-advised  by  the
Sub-adviser. Each Trustee and Officer serves in total as a Trustee and  Officer,
respectively,  of 12 registered  investment companies with  47 series managed or
administrated by AIM  and sub-advised and  sub-administered by the  Sub-adviser.
Each  Trustee who is not  a director, officer or  employee of the Sub-adviser or
any affiliated company is paid  aggregate fees of $5,000  a year, plus $300  per
Fund  for each  meeting of  the Board  attended by  the Trustee,  and reimbursed
travel and  other  expenses  incurred  in connection  with  attendance  at  such
meetings.  Other  Trustees  and  Officers  receive  no  compensation  or expense
reimbursement from the Company. For the fiscal year ended October 31, 1997,  Mr.
Anderson,  Mr. Bayley,  Mr. Patterson and  Miss Quigley, who  are not directors,
officers or employees  of the  Sub-adviser or any  affiliated company,  received
total  compensation of $38,650, $38,650, $27,850 and $38,650, respectively, from
the Company for their  services as Trustees. For  the fiscal year ended  October
31,  1997, Mr. Anderson, Mr. Bayley, Mr.  Patterson and Miss Quigley who are not
directors, officers or employees of  the Sub-adviser or any affiliated  company,
received  total  compensation  of  $117,304,  $114,386,  $88,350  and  $111,688,
respectively, from the investment companies  managed or administered by AIM  and
sub-advised  and sub-administered by the Sub-adviser  for which he or she serves
as a Trustee. Fees and expenses disbursed to the Trustees contained no exercised
or payable pension or retirement benefits.  As of January 8, 1998, the  Officers
and  Trustees and their families as a  group owned in the aggregate beneficially
or of record less than 1% of the  outstanding shares of each Fund or of all  the
Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT  MANAGEMENT AND ADMINISTRATION SERVICES  RELATING TO THE FEEDER FUNDS
AND THE PORTFOLIOS
   
The Sub-adviser serves as each Portfolio's investment manager and  administrator
under   an  Investment  Management  and  Administration  Contract  between  each
Portfolio and AIM ("Portfolio Management  Contract"). The Sub-adviser serves  as
each  Portfolio's  sub-adviser and  sub-administrator  under a  Sub-Advisory and
Sub-Administration  Agreement  between  AIM  and  the  Sub-adviser   ("Portfolio
Management  Sub-Contract," and together with  the Portfolio Management Contract,
the "Portfolio  Management  Contracts"). AIM  serves  as administrator  to  each
Feeder  Fund  under  an  administration contract  between  the  Company  and AIM
("Administration Contract"). The Sub-adviser serves as sub-administrator to each
Feeder Fund under a sub-administration contract between AIM and the  Sub-adviser
("Administration  Sub-Contract," and together  with the Administration Contract,
the "Administration Contracts"). The Administration Contracts will not be deemed
advisory contracts, as defined  under the 1940 Act.  As investment managers  and
administrators,  AIM and the Sub-adviser make  all investment decisions for each
Portfolio and, as  administrators, administer each  Portfolio's and each  Feeder
Fund's affairs. Among other things, AIM and the Sub-adviser furnish the services
and  pay  the  compensation  and  travel expenses  of  persons  who  perform the
executive, administrative, clerical and bookkeeping functions of each  Portfolio
and  each Feeder Fund and provide  suitable office space, necessary small office
equipment and utilities.
    
 
   
The Portfolio Management Contracts may be renewed with respect to Portfolio  for
additional  one-year terms, provided that any such renewal has been specifically
approved at least annually by (i) the Portfolios' Board of Trustees or the  vote
of  a majority of  the Portfolio's outstanding voting  securities (as defined in
the 1940  Act) and  (ii) a  majority  of Trustees  who are  not parties  to  the
Portfolio  Management Contracts  or "interested persons"  of any  such party (as
defined in the 1940 Act),  cast in person at a  meeting called for the  specific
purpose  of voting on such approval.  The Portfolio Management Contracts provide
that with respect to  each Portfolio, and  the Administration Contracts  provide
that with respect to each Feeder Fund, either the Company, each Portfolio or the
Sub-adviser may terminate the Contracts without penalty upon sixty days' written
notice  to  the  other  party.  The  Portfolio  Management  Contracts  terminate
automatically in the event of their assignment (as defined in the 1940 Act).
    
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES RELATING TO THE HEALTH CARE
FUND AND TELECOMMUNICATIONS FUND
   
AIM serves as the investment manager  and administrator to the Health Care  Fund
and  Telecommunications Fund  under an Investment  Management and Administration
Contract ("Management Contract")  between the Company  and AIM. The  Sub-adviser
serves  as the  sub-adviser and  sub-administrator to  the Health  Care Fund and
Telecommunications Fund  under a  Sub-Advisory and  Sub-Administration  Contract
between  AIM and the  Sub-adviser ("Sub-Management Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Health  Care Fund  and Telecommunications  Fund and  administer the  Health Care
Fund's and the Telecommunications  Fund's affairs. Among  other things, AIM  and
the  Sub-adviser  furnish  the  services and  pay  the  compensation  and travel
expenses of  persons who  perform the  executive, administrative,  clerical  and
bookkeeping   functions  of   the  Company   and  the   Health  Care   Fund  and
Telecommunications Fund,  and provide  suitable  office space,  necessary  small
office equipment and utilities.
    
 
   
The  Management  Contracts may  be renewed  for  additional one-year  terms with
respect to the Health Care Fund  and Telecommunications Fund, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's Board of Trustees,  or by the  vote of a majority  of the Health  Care
Fund  and Telecommunications Fund's outstanding voting securities (as defined in
the 1940  Act), and  (ii) a  majority of  Trustees who  are not  parties to  the
Management  Contracts or "interested  persons" of any such  party (as defined in
the 1940 Act), cast in  person at a meeting called  for the specific purpose  of
voting  on such approval. The Management  Contracts provide that with respect to
the Health Care Fund and Telecommunications  Fund either the Company or each  of
AIM  or the Sub-adviser  may terminate the Contracts  without penalty upon sixty
days' written  notice to  the other  party. The  Management Contracts  terminate
automatically in the event of their assignment (as defined in the 1940 Act).
    
 
                  Statement of Additional Information Page 27
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
The   following  table  discloses  the   amount  of  investment  management  and
administration fees paid by the Theme  Portfolios to the Sub-adviser during  the
periods shown:
    
 
                                HEALTH CARE FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $    5,820,067
1996......................................................................................................       5,495,494
1995......................................................................................................       4,453,857
</TABLE>
 
                            TELECOMMUNICATIONS FUND
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $   17,999,111
1996......................................................................................................      23,119,601
1995......................................................................................................      23,861,460
</TABLE>
 
                          FINANCIAL SERVICES PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $      346,965
1996......................................................................................................          99,991
1995......................................................................................................          51,353
</TABLE>
 
                            INFRASTRUCTURE PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $      772,727
1996......................................................................................................         635,456
1995......................................................................................................         601,421
</TABLE>
 
                          NATURAL RESOURCES PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $      979,215
1996......................................................................................................         425,745
1995......................................................................................................         213,856
</TABLE>
 
                    CONSUMER PRODUCTS AND SERVICES PORTFOLIO
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                          AMOUNT PAID
- ----------------------------------------------------------------------------------------------------------  --------------
<S>                                                                                                         <C>
1997......................................................................................................  $    1,207,854
1996......................................................................................................         422,640
1995 (since Fund inception on Dec. 30, 1994)..............................................................          16,284
</TABLE>
 
   
For the fiscal years ended October 31, 1995 and 1996, the Sub-adviser reimbursed
the   Financial  Services  Portfolio  and  Infrastructure  Portfolio  for  their
respective investment  management  and administration  fees  in the  amounts  of
$51,353 and $103,267; $0 and $0; and $213,856 and $0, respectively. For the same
periods,  the Financial Services Fund, Infrastructure Fund and Natural Resources
Fund paid  administration  fees  of $18,756,  $34,865  and  $119,765;  $208,892,
$218,735  and  $266,025;  and  $74,485,  $147,614  and  $338,578,  respectively.
However, the Sub-adviser reimbursed those Funds for such fees in the amounts  of
$18,756,  $34,865  and  $0;  $177,376,  $0  and  $0;  and  $74,485,  $0  and $0,
respectively.  For  the  fiscal  period  December  30,  1994  (commencement   of
operations) to October 31, 1995, and for the fiscal years ended October 31, 1996
and  1997,  the  Sub-adviser  reimbursed  the  Consumer  Products  and  Services
Portfolio for investment  management and  administration fees in  the amount  of
$16,284,  $0 and $0,  respectively. For the same  periods, the Consumer Products
and  Services  Fund  paid  $5,933,  $147,623  and  $416,297,  respectively,   in
administration fees; however, the Sub-adviser reimbursed the Fund in the amounts
of $5,933, $0 and $0, respectively.
    
 
DISTRIBUTION SERVICES RELATING TO EACH FUND
   
Each  Fund's Advisor Class  shares are offered  continuously through each Fund's
principal underwriter and  distributor, AIM  Distributors, on  a "best  efforts"
basis without a sales charge or a contingent deferred sales charge.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
The  Transfer  Agent, has  been  retained by  the  Funds to  perform shareholder
servicing, reporting and general  transfer agent functions  for them. For  these
services,  the Transfer Agent  receives an annual maintenance  fee of $17.50 per
account,
 
                  Statement of Additional Information Page 28
<PAGE>
                             GT GLOBAL THEME FUNDS
   
a new account fee of $4.00 per account,  a per transaction fee of $1.75 for  all
transactions  other than exchanges and a per exchange fee of $2.25. The Transfer
Agent is also reimbursed  by the Funds for  its out-of-pocket expenses for  such
items  as postage, forms, telephone charges, stationery and office supplies. The
Sub-adviser also serves  as each Fund's  pricing and accounting  agent. For  the
fiscal  years ended October 31, 1995, 1996 and 1997 the accounting services fees
for the  Health Care  Fund, Telecommunications  Fund, Financial  Services  Fund,
Infrastructure  Fund, Natural Resources Fund  and Consumer Products and Services
Fund were $30,660, $141,582 and $153,780; $170,297, $621,480 and $493,322; $616,
$3,493 and $12,292 ; $5,836, $21,910  and $27,303; $1,931, $14,761 and  $34,698;
and $318, $14,778 and $43,330, respectively.
    
 
EXPENSES OF THE FUNDS AND OF THE PORTFOLIOS
   
Each  Fund  and  each  Portfolio  pays all  expenses  not  assumed  by  AIM, the
Sub-adviser, AIM  Distributors  and other  agents.  These expenses  include,  in
addition to the advisory, administration, distribution, transfer agency, pricing
and  accounting  agency  and brokerage  fees  described above,  legal  and audit
expenses, custodian fees, trustees' fees, organizational fees, fidelity bond and
other insurance premiums, taxes, extraordinary expenses and expenses of  reports
and  prospectuses sent to existing investors.  The allocation of general Company
expenses and expenses shared among the Funds and other funds organized as series
of the Company are allocated on a basis deemed fair and equitable, which may  be
based  on the  relative net  assets of the  Funds or  the nature  of the service
performed and relative applicability to the Funds. Expenditures, including costs
incurred in connection with the purchase or sale of portfolio securities,  which
are  capitalized  in accordance  with  generally accepted  accounting principles
applicable to investment companies, are accounted  for as capital items and  not
as expenses. The ratio of each Fund's expenses to its relative net assets can be
expected  to be  higher than  the expense  ratios of  funds investing  solely in
domestic securities,  since  the cost  of  maintaining the  custody  of  foreign
securities  and the rate of investment management  fees paid by the Funds or the
Portfolios generally  are higher  than  the comparable  expenses of  such  other
funds.
    
 
- --------------------------------------------------------------------------------
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
   
As  described in the Prospectus, each Fund's  net asset value per share for each
class of shares  is determined each  day on  which the New  York Stock  Exchange
("NYSE")  is  open for  business ("Business  Day")  as of  the close  of regular
trading on the NYSE (currently 4:00 p.m. Eastern Time, unless weather, equipment
failure or other factors contribute to an earlier closing time). Currently,  the
NYSE  is  closed on  weekends  and on  certain  days relating  to  the following
holidays: New Year's Day, Martin Luther King Day, President's Day, Good  Friday,
Memorial Day, July 4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
Each Theme Portfolio's securities and other assets are valued as follows:
 
   
Equity  securities, including  ADRs, ADSs,  GDRs and  EDRs, which  are traded on
stock exchanges, are valued at the last sale price on the exchange on which such
securities are traded, as of the close of business on the day the securities are
being valued or, lacking any  sales, at the last  available bid price. In  cases
where securities are traded on more than one exchange, the securities are valued
on  the  exchange  determined  by  the Sub-adviser  to  be  the  primary market.
Securities traded in the OTC market are valued at the last available sale  price
prior to the time of valuation.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
or asked prices for  such securities or,  if such prices  are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a  bond pricing  service  will be  used.  Short-term debt  investments are
amortized to  maturity  based  on  their cost,  adjusted  for  foreign  exchange
translation.
    
 
Options  on indices, securities and currencies purchased by the Theme Portfolios
are valued at  their last  bid price in  the case  of listed options  or at  the
average  of the last bid  prices obtained from dealers,  unless a quotation from
only one dealer  is available, in  which case  only that dealers  price will  be
used, in the case of OTC options. When market quotations for futures and options
on futures held by a Theme Portfolio are readily available, those positions will
be valued based upon such quotations.
 
Securities  and  other  assets  for  which  market  quotations  are  not readily
available (including restricted securities that are subject to limitations as to
their sale) are valued at fair value as determined in good faith by or under the
direction of the
 
                  Statement of Additional Information Page 29
<PAGE>
                             GT GLOBAL THEME FUNDS
   
Portfolios' or the  Company's Board  of Trustees, as  applicable. The  valuation
procedures  applied in  any specific  instance are likely  to vary  from case to
case. However, consideration is generally given to the financial position of the
issuer and other fundamental analytical data  relating to the investment and  to
the  nature of the restrictions on  disposition of the securities (including any
registration expenses that might be borne by the Theme Portfolios in  connection
with  such disposition).  In addition,  other factors, such  as the  cost of the
investment, the market value  of any unrestricted securities  of the same  class
(both  at the time  of purchase and at  the time of valuation),  the size of the
holding, the prices of  any recent transactions or  offers with respect to  such
securities  and any available analysts'  reports regarding the issuer, generally
are considered.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to arrive at the  value of each Fund's  total assets (which, for each
Feeder Fund is the value of its investment in its corresponding Portfolio). Each
Fund's liabilities, including accruals for expenses, are deducted from its total
assets. Once the total value of a Fund's net assets is so determined, that value
is then divided by  the total number of  shares outstanding (excluding  treasury
shares),  and the result, rounded to the nearer cent, is the net asset value per
share.
 
   
Any assets or liabilities initially expressed in terms of foreign currencies are
translated into U.S. dollars at the official exchange rate or, alternatively, at
the mean of the current bid and asked prices of such currencies against the U.S.
dollar last quoted by a major bank that is a regular participant in the  foreign
exchange market or on the basis of a pricing service that takes into account the
quotes  provided by a number of such  major banks. If none of these alternatives
are available  or  none  are  deemed  to  provide  a  suitable  methodology  for
converting  a  foreign  currency  into  U.S.  dollars,  the  Portfolios'  or the
Company's Board of  Trustees, as  applicable, in  good faith,  will establish  a
conversion rate for such currency.
    
 
   
European,  Far Eastern, or Latin American  securities trading may not take place
on all days on which the NYSE  is open. Further, trading takes place in  various
foreign  markets on days on which the NYSE is not open. Trading in securities on
European and  Far Eastern  securities  exchanges and  OTC markets  generally  is
completed  well  before the  close of  business in  New York.  Consequently, the
calculation  of  each  Fund's  net  asset  value  may  not  always  take   place
contemporaneously  with the  determination of the  prices of  securities held by
each Fund.  Events  affecting  the  values  of  securities  held  by  the  Theme
Portfolios that occur between the time their prices are determined and the close
of  normal trading on the NYSE will not be reflected in a Fund's net asset value
unless  the  Sub-adviser,  under  the  supervision  of  the  Company's  or   the
Portfolios'  Board of  Trustees, as  applicable, determines  that the particular
event would materially affect net asset value.  As a result, a Fund's net  asset
value  may be significantly affected by such  trading on days when a shareholder
has no access to that Fund.
    
 
                  Statement of Additional Information Page 30
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment for  Advisor Class  shares  of a  Fund  purchased should  accompany  the
purchase  order, or funds should be wired  to the Transfer Agent as described in
the Prospectus. Payment, other than by wire  transfer, must be made by check  or
money order drawn on a U.S. bank. Checks or money orders must be payable in U.S.
dollars.
 
As  a condition of this offering, if an order to purchase either class of shares
is canceled due to nonpayment (for example,  on account of a check returned  for
"not  sufficient funds"), the person who made  the order will be responsible for
any loss  incurred  by a  Fund  by reason  of  such cancellation,  and  if  such
purchaser  is a shareholder, the  Fund shall have the  authority as agent of the
shareholder to redeem  shares in his  or her account  at their then-current  net
asset  value per share  to reimburse the  Fund for the  loss incurred. Investors
whose purchase orders  have been canceled  due to nonpayment  may be  prohibited
from placing future orders.
 
Each  Fund  reserves the  right at  any time  to waive  or increase  the minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons. An order to purchase shares is not binding on a Fund
until it  has  been  confirmed  in  writing by  the  Transfer  Agent  (or  other
arrangements  made with the Fund, in the  case of orders utilizing wire transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, each Fund reserves the right to reject any offer for a purchase of
shares by any individual.
 
SALES OUTSIDE THE UNITED STATES
Sales of Fund shares made through brokers  outside the United States will be  at
net  asset value plus a sales commission,  if any, established by that broker or
by local law.
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
 
   
IRAS: If you have earned income from employment (including self-employment), you
can contribute each year to an IRA up  to the lesser of (1) $2,000 for  yourself
or  $4,000  for  you and  your  spouse,  regardless of  whether  your  spouse is
employed, or (2) 100% of compensation. Some  individuals may be able to take  an
income tax deduction for the contribution. Regular contributions may not be made
for  the year  you become 70  1/2 or  thereafter. Unless your  and your spouse's
earnings exceed  a certain  level, you  also may  establish an  "education  IRA"
and/or  a "Roth  IRA." Although  contributions to  these new  types of  IRAs are
nondeductible,  withdrawals   from  them   will   be  tax-free   under   certain
circumstances.  Please  consult  your  tax  adviser  for  more  information. IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER IRAS: Individuals who  receive distributions from qualified  retirement
plans  (other than  required distributions) and  who wish to  keep their savings
growing tax-deferred  can  roll  over  (or make  a  direct  transfer  of)  their
distribution  to a  Rollover IRA. These  accounts can also  receive rollovers or
transfers from an existing  IRA. If an "eligible  rollover distribution" from  a
qualified  employer-sponsored retirement plan is not  directly rolled over to an
IRA (or  certain  qualified plans),  withholding  at the  rate  of 20%  will  be
required  for federal income tax purposes.  A distribution from a qualified plan
that is not an "eligible  rollover distribution," including a distribution  that
is  one of series of substantially equal periodic payments, generally is subject
to regular wage withholding or withholding at the rate of 10% (depending on  the
type  and  amount  of  the  distribution), unless  you  elect  not  to  have any
withholding apply. Please consult your tax adviser for more information.
 
SEP-IRAS: Simplified  employee  pension  plans ("SEPs"  or  "SEP-IRAs")  provide
self-employed  individuals (and any eligible employees) with benefits similar to
Keogh plans (I.E.,  self-employed individual retirement  plans) or Code  Section
401(k)   plans,  but  with  fewer   administrative  requirements  and  therefore
potentially lower annual administration expenses.
 
CODE SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and  most
other  tax-exempt organizations can make  pre-tax salary reduction contributions
to these accounts.
 
                  Statement of Additional Information Page 31
<PAGE>
                             GT GLOBAL THEME FUNDS
 
PROFIT-SHARING  (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE   PENSION
PLANS:  Corporations  and other  employers can  sponsor these  qualified defined
contribution plans  for  their employees.  A  Section  401(k) plan,  a  type  of
profit-sharing  plan, additionally permits the eligible, participating employees
to make  pre-tax salary  reduction  contributions to  the  plan (up  to  certain
limits).
 
SIMPLE  PLANS: Employers with  no more than  100 employees that  do not maintain
another retirement  plan  may  establish  a Savings  Incentive  Match  Plan  for
Employees  ("SIMPLE") either  as separate  IRAs or as  part of  a Section 401(k)
plan. SIMPLEs are not  subject to the  complicated nondiscrimination rules  that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
Shares of a Fund may be exchanged for shares of the corresponding class of other
GT  Global  Mutual Funds,  based on  their respective  net asset  values without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical.  The exchange privilege is not an  option or right to purchase shares
but is permitted under the current  policies of the respective GT Global  Mutual
Funds.  The privilege may be discontinued or changed at any time by any of those
funds upon sixty days'  written notice to  the shareholders of  the fund and  is
available  only  in  states  where  the exchange  may  be  made  legally. Before
purchasing shares through the exercise of the exchange privilege, a  shareholder
should  obtain and read a copy of the prospectus of the fund to be purchased and
should consider its investment objective(s).
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s),  and,  in the  case of  a  corporation, the  corporate seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic bank or savings institution if the proceeds are at least $500. Costs in
connection  with  the administration  of this  service, including  wire charges,
currently are borne by the appropriate Fund. Proceeds of less than $500 will  be
mailed  to the  shareholder's registered  address of  record. The  Funds and the
Transfer Agent reserve the  right to refuse any  telephone instructions and  may
discontinue  the aforementioned  redemption options  upon fifteen  days' written
notice.
 
SUSPENSION OF REDEMPTION PRIVILEGES
Each Fund may suspend redemption privileges or postpone the date of payment  for
more  than seven days after a redemption order is received during any period (1)
when the NYSE is  closed other than customary  weekend and holiday closings,  or
trading  on the NYSE is restricted as directed by the SEC, (2) when an emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Funds and the Portfolios  to dispose of  securities owned by  them or fairly  to
determine the value of their assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board  of Trustees, make it  undesirable for a Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be  made  in portfolio  securities  or other  property  of a  Fund  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  each  Fund  will pay  in  cash all  requests  for redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the lesser of $250,000 or 1% of the net asset value  of
a  Fund at the  beginning of such  period. This election  will be irrevocable so
long as Rule 18f-1 remains in effect,  unless the SEC by order upon  application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 32
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
TAXATION OF THE FUNDS
Each  Fund is treated as a separate corporation for federal income tax purposes.
To continue to qualify for treatment  as a regulated investment company  ("RIC")
under  the Code, each Fund must distribute  to its shareholders for each taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several  additional requirements. With respect  to each Fund, these requirements
include the following: (1) the Fund must derive at least 90% of its gross income
each taxable year from dividends, interest, payments with respect to  securities
loans  and gains  from the  sale or other  disposition of  securities or foreign
currencies, or other income  (including gains from  options, Futures or  Forward
Contracts)  derived with respect  to its business of  investing in securities or
those currencies ("Income Requirement"); (2) at the close of each quarter of the
Fund's taxable year,  at least  50% of  the value of  its total  assets must  be
represented  by cash and  cash items, U.S.  government securities, securities of
other RICs and other securities, with these other securities limited, in respect
of any one issuer,  to an amount  that does not  exceed 5% of  the value of  the
Fund's  total assets and that  does not represent more  than 10% of the issuer's
outstanding voting  securities; and  (3) at  the close  of each  quarter of  the
Fund's  taxable year, not more than 25% of  the value of its total assets may be
invested in securities (other than U.S. government securities or the  securities
of  other RICs)  of any  one issuer.  Each Feeder  Fund, as  an investor  in its
corresponding  Portfolio,  is  deemed  to  own  a  proportionate  share  of  the
Portfolio's assets, and to earn a proportionate share of the Portfolio's income,
for  purposes  of  determining  whether  the  Fund  satisfies  the  requirements
described above to qualify as a RIC.
 
Each Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year substantially  all
of  its  ordinary income  for  that year  and capital  gain  net income  for the
one-year period ending on October 31 of that year, plus certain other amounts.
 
See the next section  for a discussion  of the tax  consequences to each  Feeder
Fund  of hedging  transactions engaged  in, and  investments in  passive foreign
investment companies ("PFICs") and other foreign securities by its corresponding
Portfolio and  to the  Health Care  Fund and  Telecommunications Fund  of  those
transactions and investments.
 
TAXATION OF THE THEME PORTFOLIOS
    THE PORTFOLIOS AND THEIR RELATIONSHIP TO THE FEEDER FUNDS. Each Portfolio is
treated  as a separate partnership for federal  income tax purposes and is not a
"publicly traded partnership."  As a result,  each Portfolio is  not subject  to
federal   income  tax;  instead,  each  Feeder  Fund,  as  an  investor  in  its
corresponding Portfolio, is  required to  take into account  in determining  its
federal income tax liability its share of the Portfolio's income, gains, losses,
deductions  and  credits, without  regard to  whether it  has received  any cash
distributions from the Portfolio. Each Portfolio also is not subject to New York
income or franchise tax.
 
Because, as noted above, each Feeder Fund is deemed to own a proportionate share
of its corresponding Portfolio's  assets, and to earn  a proportionate share  of
its  corresponding Portfolio's income,  for purposes of  determining whether the
Fund satisfies the requirements to qualify  as a RIC, each Portfolio intends  to
conduct  its operations so that its corresponding  Fund will be able to continue
to satisfy all those requirements.
 
Distributions to  each Feeder  Fund from  its corresponding  Portfolio  (whether
pursuant  to a partial or  complete withdrawal or otherwise)  will not result in
the Fund's recognition  of any  gain or loss  for federal  income tax  purposes,
except  that  (1)  gain  will be  recognized  to  the extent  any  cash  that is
distributed exceeds the Fund's  basis for its interest  in the Portfolio  before
the  distribution, (2) income or gain will  be recognized if the distribution is
in liquidation of  the Fund's entire  interest in the  Portfolio and includes  a
disproportionate  share of any unrealized receivables held by the Portfolio, and
(3) loss will  be recognized if  a liquidation distribution  consists solely  of
cash and/or unrealized receivables. Each Feeder Fund's basis for its interest in
its  corresponding Portfolio  generally will  equal the  amount of  cash and the
basis of any property the Fund invests in the Portfolio, increased by the Fund's
share of the Portfolio's net income and gains and decreased by (1) the amount of
cash and the basis of any property the Portfolio distributes to the Fund and (2)
the Fund's share of the Portfolio's losses.
 
    FOREIGN TAXES. Dividends  and interest  received by a  Theme Portfolio,  and
gains  realized thereby,  may be subject  to income, withholding  or other taxes
imposed by foreign countries and  U.S. possessions ("foreign taxes") that  would
reduce
 
                  Statement of Additional Information Page 33
<PAGE>
                             GT GLOBAL THEME FUNDS
the yield and/or total return on its securities. Tax conventions between certain
countries  and the United States may reduce or eliminate foreign taxes, however,
and many foreign countries do  not impose taxes on  capital gains in respect  of
investments  by foreign  investors. If more  than 50%  of the value  of a Fund's
total  assets  (taking  into  account,  in  the  case  of  a  Feeder  Fund,  its
proportionate share of its corresponding Portfolio's assets) at the close of its
taxable  year consists of  securities of foreign corporations,  the Fund will be
eligible to, and may,  file an election with  the Internal Revenue Service  that
will  enable its shareholders, in effect, to  receive the benefit of the foreign
tax credit with respect to any foreign taxes paid by it (taking into account, in
the case of a Feeder Fund, its proportionate share of any foreign taxes paid  by
its  corresponding  Portfolio)  (a  "Fund's  foreign  taxes").  Pursuant  to the
election, a Fund would treat those  taxes as dividends paid to its  shareholders
and each shareholder would be required to (1) include in gross income, and treat
as  paid by him, his share  of the Fund's foreign taxes,  (2) treat his share of
those taxes and of any dividend paid by the Fund that represents its income from
foreign and U.S.  possessions sources  (taking into account,  in the  case of  a
Feeder  Fund, its  proportionate share  of its  corresponding Portfolio's Income
from those sources) as his own income  from those sources and (3) either  deduct
the  taxes deemed paid by him in computing his taxable income or, alternatively,
use the foregoing information in calculating the foreign tax credit against  his
federal income tax. Each Fund will report to its shareholders shortly after each
taxable  year their  respective shares  of the  Fund's foreign  taxes and income
(taking into account, in the case of  a Feeder Fund, its proportionate share  of
its  corresponding Portfolio's income) from sources within foreign countries and
U.S. possessions if it makes this election. Pursuant to the Taxpayer Relief  Act
of  1997 ("Tax Act"), individuals  who have no more  than $300 ($600 for married
persons filing jointly) of  creditable foreign taxes included  on Form 1099  and
all  of whose foreign source  of income is "qualified  passive income" may elect
each year  to  be exempt  from  the  extremely complicated  foreign  tax  credit
limitation and will be able to claim a foreign tax credit without having to file
the detailed Form 1116 that otherwise is required.
 
    PASSIVE FOREIGN INVESTMENT COMPANIES. Each Theme Portfolio may invest in the
stock  of PFICs.  A PFIC is  a foreign  corporation -- other  than a "controlled
foreign corporation" (I.E., a  foreign corporation in which,  on any day  during
its  taxable year, more than  50% of the total voting  power of all voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Theme  Portfolio is a  U.S. shareholder (effective  for their  taxable
year  beginning  November 1,  1998) --  that,  in general,  meets either  of the
following tests: (1)  at least  75% of  its gross income  is passive  or (2)  an
average  of at least 50%  of its assets produce, or  are held for the production
of, passive  income. Under  certain circumstances,  a Fund  will be  subject  to
federal  income  tax  on  a  part  (or,  in  the  case  of  a  Feeder  Fund, its
proportionate share of a part) of any "excess distribution" received by it  (or,
in  the case of a Feeder Fund, by its corresponding Portfolio) on the stock of a
PFIC or  of any  gain on  the Fund's  (or, in  the case  of a  Feeder Fund,  its
corresponding   Portfolio's)  disposition  of  that  stock  (collectively  "PFIC
income"), plus interest thereon, even if the Fund distributes the PFIC income as
a taxable dividend to its shareholders. The  balance of the PFIC income will  be
included  in the Fund's investment company taxable income and, accordingly, will
not be  taxable  to  it  to  the  extent  it  distributes  that  income  to  its
shareholders.
 
If  a  Theme Portfolio  invests in  a PFIC  and elects  to treat  the PFIC  as a
"qualified electing  fund"  ("QEF"), then  in  lieu  of the  foregoing  tax  and
interest  obligation, the Theme Portfolio  (or, in the case  of a Portfolio, its
corresponding Feeder Fund) would be required to include in income each year  its
pro  rata  share  (taking  into account,  in  the  case of  a  Feeder  Fund, its
proportionate share  of its  corresponding Portfolio's  pro rata  share) of  the
QEF's  annual ordinary earnings  and net capital  gain (I.E., the  excess of net
long-term capital gain over  net short-term capital loss)  -- which most  likely
would  have to  be distributed  by the  Theme Portfolio  (or, in  the case  of a
Portfolio,  its  corresponding   Feeder  Fund)  to   satisfy  the   Distribution
Requirement and avoid imposition of the Excise Tax -- even if those earnings and
gain  were not received thereby from the QEF.  In most instances it will be very
difficult,  if  not  impossible,  to  make  this  election  because  of  certain
requirements thereof.
 
Effective  for taxable years beginning after 1997, a holder of stock in any PFIC
may elect to include in ordinary income each taxable year the excess, if any, of
the fair market value of the stock over the adjusted basis therein as of the end
of that  year.  Pursuant to  the  election, a  deduction  (as an  ordinary,  not
capital,  loss) also  will be allowed  for the  excess, if any,  of the holder's
adjusted basis  in PFIC  stock over  the fair  market value  thereof as  of  the
taxable  year-end, but only to the extent of any net marked-to-market gains with
respect to that stock included in  income for prior taxable years. The  adjusted
basis  in each PFIC's stock subject to  the election will be adjusted to reflect
the amounts  of income  included and  deductions taken  thereunder.  Regulations
proposed  in 1992 would provide a similar  election with respect to the stock of
certain PFICs.
 
    OPTIONS, FUTURES AND  FOREIGN CURRENCY TRANSACTIONS.  The Theme  Portfolios'
use  of hedging transactions,  such as selling  (writing) and purchasing options
and Futures  Contracts and  entering into  Forward Contracts,  involves  complex
rules  that  will  determine,  for  federal  income  tax  purposes,  the amount,
character and timing of  recognition of the gains  and losses a Theme  Portfolio
realizes  in connection therewith. Gains  from disposition of foreign currencies
(except certain gains that
 
                  Statement of Additional Information Page 34
<PAGE>
                             GT GLOBAL THEME FUNDS
may be excluded by future regulations), and gains from the options, Futures  and
Forward  Contracts derived by a Theme Portfolio  with respect to its business of
investing in  securities  or foreign  currencies,  will qualify  as  permissible
income under the Income Requirement for that Theme Portfolio (or, in the case of
a Portfolio, its corresponding Feeder Fund).
 
Futures  and Forward  Contracts that  are subject  to section  1256 of  the Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts")  and that are  held by a Theme  Portfolio at the  end of its taxable
year generally will  be deemed to  have been  sold at market  value for  federal
income  tax purposes. Sixty percent of any  net gain or loss recognized on these
deemed sales, and 60% of any net gain or loss realized from any actual sales  of
Section  1256 Contracts, will be treated as  long-term capital gain or loss, and
the balance will be treated as short-term  capital gain or loss. As of the  date
of  preparation of this Statement of  Additional Information, it is not entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the  15%
marginal  tax bracket) for gain recognized on  capital assets held for more than
18 months -- instead of  the 28% rate in  effect before that legislation,  which
now applies to gain recognized on capital assets held for more than one year but
not  more than 18  months, although technical  corrections legislation passed by
the House of Representatives late in 1997 would treat it as qualifying therefor.
 
Section 988 of the Code also may apply to gains and losses from transactions  in
foreign  currencies, foreign-currency-denominated  debt securities  and options,
Futures and Forward  Contracts on  foreign currencies ("Section  988" gains  and
losses).  Each Section  988 gain  or loss  generally is  computed separately and
treated as ordinary income or loss. In the case of overlap between sections 1256
and 988, special provisions  determine the character and  timing of any  income,
gain  or loss. Each Theme Portfolio attempts to monitor section 988 transactions
to minimize any adverse tax impact.
 
If a Theme Portfolio  has an "appreciated financial  position" -- generally,  an
interest  (including an interest through an  option, Futures or Forward Contract
or short sale) with respect to any stock, debt instrument (other than  "straight
debt")  or  partnership interest  the  fair market  value  of which  exceeds its
adjusted basis  --  and  enters  into  a "constructive  sale"  of  the  same  or
substantially  similar property, the  Theme Portfolio will  be treated as having
made an actual sale  thereof, with the  result that gain  will be recognized  at
that time. A constructive sale generally consists of a short sale, an offsetting
notional  principal contract  or Futures or  Forward Contract entered  into by a
Theme Portfolio or a  related person with respect  to the same or  substantially
similar property. In addition, if the appreciated financial position is itself a
short  sale  or  such a  contract,  acquisition  of the  underlying  property or
substantially similar property will be deemed a constructive sale.
 
TAXATION OF THE FUNDS' SHAREHOLDERS
Dividends and  other  distributions  declared  by a  Fund  in,  and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion  of the  dividends from  a Fund's  investment company  taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may not exceed the aggregate dividends received by a Fund (directly or through a
Portfolio) from U.S.  corporations. However, dividends  received by a  corporate
shareholder  and deducted by it pursuant to the dividends-received deduction may
be subject indirectly to the alternative minimum tax.
 
If Fund shares are sold at a loss  after being held for six months or less,  the
loss  will be treated as  long-term, instead of short-term,  capital loss to the
extent of any  capital gain  distributions received on  those shares.  Investors
also should be aware that if shares are purchased shortly before the record date
for  any dividend or other distribution, the shareholder will pay full price for
the shares and receive some portion of the price back as a taxable distribution.
 
Dividends paid by a  Fund to a shareholder  who, as to the  United States, is  a
nonresident  alien  individual, or  nonresident alien  fiduciary  of a  trust or
estate, foreign  corporation  or  foreign  partnership  ("foreign  shareholder")
generally  will be subject  to U.S. withholding tax  (at a rate  of 30% or lower
treaty rate). Withholding will not apply, however, to a dividend paid by a  Fund
to  a foreign shareholder that  is "effectively connected with  the conduct of a
U.S.  trade  or  business,"  in   which  case  the  reporting  and   withholding
requirements  applicable to domestic shareholders  will apply. A distribution of
net capital gain by a Fund to a foreign shareholder generally will be subject to
U.S. federal income tax  (at the rates applicable  to domestic persons) only  if
the  distribution  is  "effectively  connected" or  the  foreign  shareholder is
treated as a resident alien individual for federal income tax purposes.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting  the  Funds, their  shareholders  and  the Portfolios.
Investors are  urged  to  consult  their own  tax  advisers  for  more  detailed
information  and for  information regarding any  foreign, state  and local taxes
applicable to distributions received from a Fund.
 
                  Statement of Additional Information Page 35
<PAGE>
                             GT GLOBAL THEME FUNDS
 
   
                             ADDITIONAL INFORMATION
    
 
- --------------------------------------------------------------------------------
 
   
AIM was organized in 1976, and  along with its subsidiaries, manages or  advises
over  50 investment company portfolios encompassing  a broad range of investment
objectives. AIM is a direct, wholly owned  subsidiary of A I M Management  Group
Inc.  ("AIM  Management"),  a  holding  company that  has  been  engaged  in the
financial services  business since  1976. AIM  is the  sole shareholder  of  the
Funds'  principal underwriter, AIM  Distributors. AIM Management  is an indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England. AMVESCAP  PLC  and  its  subsidiaries  are  an  independent  investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide   asset  management  affiliates  also  currently  include  LGT  Asset
Management Inc. in Toronto, Canada; GT Asset Management PLC in London,  England;
GT  Asset Management Ltd.  in Hong Kong;  GT Asset Management  Ltd. in Tokyo; GT
Asset Management Pte. Ltd. in Singapore; GT Asset Management Ltd. in Sydney; and
GT Asset Management GmbH in Frankfurt.]
    
 
CUSTODIAN
State Street  Bank and  Trust  Company ("State  Street"), 225  Franklin  Street,
Boston,  Massachusetts  02110,  acts  as  custodian  of  the  Funds'  and  Theme
Portfolios' assets. State Street is authorized to establish and has  established
separate  accounts in  foreign currencies and  to cause securities  of the Theme
Portfolios to be  held in  separate accounts outside  the United  States in  the
custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The    Company's   and    Theme   Portfolios'    independent   accountants   are
                 ,  One  Post  Office   Square,  Boston,  Massachusetts   02109.
                 conducts  annual  audits  of  the  Portfolios'  and  the Funds'
financial statements, assists in  the preparation of  each Portfolio's and  each
Fund's  federal and state income  tax returns and consults  with the Company and
Global Investment Portfolio as to matters of accounting, regulatory filings, and
federal and state income taxation.
    
 
   
The audited financial statements  of the Company included  in this Statement  of
Additional  Information have been examined by                     , as stated in
their opinion appearing herein, and are  included in reliance upon such  opinion
given upon the authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The  Sub-adviser  has granted  the Company  the right  to use  the "GT"  and "GT
Global" name and has reserved  the right to withdraw its  consent to the use  of
such  names by the Company at any time, or to grant the use of such names to any
other company.
    
 
SPECIAL SERVICING AGREEMENT
   
Subject to  receipt of  an  exemptive order  from  the Securities  and  Exchange
Commission,  the GT Global  Theme Funds will  be a party  to a Special Servicing
Agreement ("Agreement") between and  among GT Global Series  Trust on behalf  of
its  sole series, GT Global New Dimension  Fund ("New Dimension Fund"), AIM, the
Sub-adviser, GT Global Investor Services, Inc. and the Company on behalf of  its
following  series: Consumer Products and Services Fund, Financial Services Fund,
Heath   Care   Fund,   Infrastructure   Fund,   Natural   Resources   Fund   and
Telecommunications  Fund, which  are funds in  which New  Dimension Fund invests
(collectively all such funds are referred to as "Underlying Theme Funds").
    
 
The Agreement will  provide that,  if the Board  of Trustees  of any  Underlying
Theme  Fund determines that such Underlying  Theme Fund's share of the aggregate
expenses of  New  Dimension Fund  is  less than  the  estimated savings  to  the
Underlying  Theme Fund from the operation  of New Dimension Fund, the Underlying
Theme Fund will bear those expenses in proportion to the average daily value  of
its  shares owned  by New  Dimension Fund,  provided further  that no Underlying
Theme Fund will bear  such expenses in  excess of the  estimated savings to  it.
Such  savings are expected to result  primarily from the elimination of numerous
separate shareholder accounts which are or would have been invested directly  in
the  Underlying Theme Funds and the resulting reduction in shareholder servicing
costs. Although such cost savings are not certain, the estimated savings to  the
Underlying  Theme Funds  generated by  the operation  of New  Dimension Fund are
expected to be sufficient to offset most,  if not all, of the expenses  incurred
by New Dimension Fund.
 
                  Statement of Additional Information Page 36
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
   
STANDARDIZED  RETURNS Each Fund's "Standardized Returns,"  as referred to in the
Prospectus  (see  "Other   Information  --  Performance   Information"  in   the
Prospectus),  is calculated separately  for Class A and  Advisor Class shares of
each Fund, as follows: Standardized  Return (average annual total return  ("T"))
is  computed  by using  the  ending redeeming  value  ("ERV") of  a hypothetical
initial investment of $1,000 ("P") over a period of years ("n") according to the
following formula as required by the SEC:  P(1+T) to the (n)th power = ERV.  The
following  assumptions will be reflected in computations made in accordance with
this formula: (1) for Class A shares,  deduction of the maximum sales charge  of
4.75%  from  the  $1,000  initial  investment;  (2)  for  Advisor  Class shares,
deduction of a sales charge is not applicable; (3) reinvestment of dividends and
other distributions at net  asset value on the  reinvestment date determined  by
the Company's Board of Trustees; and (4) a complete redemption at the end of any
period illustrated.
    
 
The  Standardized Returns for the Class A and Advisor Class shares of the Health
Care Fund, stated  as average annualized  total returns for  the periods  shown,
were:
 
<TABLE>
<CAPTION>
                                                                     HEALTH CARE
                                                    HEALTH CARE          FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
Fiscal year ended Oct. 31, 1997...................    22.27%            29.00%
Oct. 31, 1992 through Oct. 31, 1997...............    15.24%              n/a
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................      n/a             29.54%
Aug. 7, 1989 (commencement of operation) through
 Oct. 31, 1997....................................    15.23%              n/a
</TABLE>
 
The  Standardized  Returns for  the  Class A  and  Advisor Class  shares  of the
Telecommunications Fund,  stated as  average annualized  total returns  for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                    TELECOMMUNI-     TELECOMMUNI-
                                                      CATIONS        CATIONS FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
Fiscal year ended Oct. 31, 1997...................    12.11%            18.33%
Oct. 31, 1992 through Oct. 31, 1997...............    13.88%              n/a
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................      n/a             14.00%
Jan. 27, 1992 (commencement of operations) through
 Oct. 31, 1997....................................    11.48%              n/a
</TABLE>
 
The  Standardized  Returns for  the  Class A  and  Advisor Class  shares  of the
Financial Services  Fund, stated  as average  annualized total  returns for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                                                      FINANCIAL
                                                     FINANCIAL         SERVICES
                                                     SERVICES            FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
Fiscal year ended Oct. 31, 1997...................    23.74%            30.52%
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................      n/a             24.52%
May 31, 1994 (commencement of operations) through
 Oct. 31, 1997....................................    13.70%              n/a
</TABLE>
 
The  Standardized  Returns for  the  Class A  and  Advisor Class  shares  of the
Infrastructure Fund, stated as average annualized total returns for the  periods
shown, were:
 
<TABLE>
<CAPTION>
                                                                     INFRASTRUCTURE
                                                    INFRASTRUCTURE       FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
Fiscal year ended Oct. 31, 1997...................     4.18%            10.10%
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................      n/a             12.59%
May 31, 1994 (commencement of operations) through
 Oct. 31, 1997....................................     8.30%              n/a
</TABLE>
 
                  Statement of Additional Information Page 37
<PAGE>
                             GT GLOBAL THEME FUNDS
 
The Standardized Returns for the Class A and Advisor Class shares of the Natural
Resources  Fund,  stated as  average annualized  total  returns for  the periods
shown, were:
 
<TABLE>
<CAPTION>
                                                                       NATURAL
                                                      NATURAL         RESOURCES
                                                     RESOURCES           FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
Fiscal year ended Oct. 31, 1997...................    16.81%            23.23%
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................      n/a             30.33%
May 31, 1994 (commencement of operations) through
 Oct. 31, 1997....................................    18.64%              n/a
</TABLE>
 
The Standardized  Returns  for the  Class  A and  Advisor  Class shares  of  the
Consumer  Products and Services Fund, stated as average annualized total returns
for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                       CONSUMER
                                                     CONSUMER          PRODUCTS
                                                     PRODUCTS            AND
                                                        AND            SERVICES
                                                     SERVICES            FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
Fiscal year ended Oct. 31, 1997...................     5.30%            11.15%
June 1, 1995 (commencement of operations) to Oct.
 31, 1997.........................................      n/a             34.67%
Dec. 30, 1994 (commencement of operations) to Oct.
 31, 1997.........................................    27.70%              n/a
</TABLE>
 
NON-STANDARDIZED RETURNS
In  addition  to   Standardized  Returns,   each  Fund  also   may  include   in
advertisements,  sales  literature and  shareholder  reports other  total return
performance  data  ("Non-Standardized   Return").  Non-Standardized  Return   is
calculated separately for Class A, Class B and Advisor Class shares of each Fund
and  may be calculated according to several different formulas. Non-Standardized
Returns may  be  quoted  for  the  same or  different  time  periods  for  which
Standardized  Returns are quoted. Non-Standardized Returns for Class A and Class
B shares  may or  may not  take  sales charges  into account;  performance  data
calculated  without  taking the  effect of  sales charges  into account  will be
higher than data including the effect of such charges. Advisor Class shares  are
not subject to sale charges.
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the  account  ("VOA")  of  a hypothetical  initial  investment  of  $1,000 ("P")
according to  the  following formula:  T=(VOA/P)-1.  Aggregate  Non-Standardized
Return assumes reinvestment of dividends and other distributions.
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class  A and Advisor  Class shares of  the Health Care  Fund, stated  as
aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                     HEALTH CARE
                                                    HEALTH CARE          FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................        n/a           87.05%
Aug. 7, 1989 (commencement of operations) through
 Oct. 31, 1997....................................   237.37%              n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class shares of the Telecommunications Fund,  stated
as aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                    TELECOMMUNI-     TELECOMMUNI-
                                                      CATIONS        CATIONS FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................      n/a             37.30%
Jan. 27, 1992 (commencement of operations) through
 Oct. 31, 1997....................................    96.32%              n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class shares of the Financial Services Fund,  stated
as aggregate total returns for the period shown, were:
 
<TABLE>
<CAPTION>
                                                                      FINANCIAL
                                                     FINANCIAL         SERVICES
                                                     SERVICES            FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................     n/a              69.98%
May 31, 1994 (commencement of operations) through
 Oct. 31, 1997....................................    62.87%              n/a
</TABLE>
 
                  Statement of Additional Information Page 38
<PAGE>
                             GT GLOBAL THEME FUNDS
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class  shares of the Infrastructure Fund, stated  as
aggregate total returns for the period shown, were:
 
<TABLE>
<CAPTION>
                                                                     INFRASTRUCTURE
                                                    INFRASTRUCTURE       FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................      n/a             33.22%
May 31, 1994 (commencement of operations) through
 Oct. 31, 1997....................................    37.89%              n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class  shares of the Natural Resources Fund,  stated
as aggregate total returns for the period shown, were:
 
<TABLE>
<CAPTION>
                                                                       NATURAL
                                                      NATURAL         RESOURCES
                                                     RESOURCES           FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................    n/a               89.81%
May 31, 1994 (commencement of operations) through
 Oct. 31, 1997....................................    88.33%              n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class  shares of the Consumer Products and  Services
Fund, stated as aggregate total returns for the period shown, were:
 
<TABLE>
<CAPTION>
                                                                       CONSUMER
                                                     CONSUMER          PRODUCTS
                                                     PRODUCTS            AND
                                                        AND            SERVICES
                                                     SERVICES            FUND
                                                       FUND            (ADVISOR
PERIOD                                               (CLASS A)          CLASS)
- --------------------------------------------------  -----------      ------------
<S>                                                 <C>              <C>
June 1, 1995 (commencement of operations) through
 Oct. 31, 1997....................................    n/a              105.47%
Dec. 30, 1994 (commencement of operations) through
 Oct. 31, 1997....................................   110.02%              n/a
</TABLE>
 
Each Fund's investment results will vary from time to time depending upon market
conditions,  the composition of each Fund's  portfolio and operating expenses of
each Fund,  so  that  current or  past  yield  or total  return  should  not  be
considered  representative of what  an investment in  each Fund may  earn in any
future period. These  factors and possible  differences in the  methods used  in
calculating  investment results should be  considered when comparing each Fund's
investment results with those published for other investment companies and other
investment vehicles. Each Fund's results  also should be considered relative  to
the risks associated with such Fund's investment objective and policies.
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
Each  Fund and AIM Distributors may from  time to time, in advertisements, sales
literature and reports furnished to present or prospective shareholders, compare
a Fund with the following, among others:
    
 
        (1) The Consumer Price Index ("CPI"), which is a measure of the  average
    change  in prices over time  in a fixed market  basket of goods and services
    (e.g., food,  clothing, shelter,  fuels, transportation  fares, charges  for
    doctors' and dentists' services, prescription medicines, and other goods and
    services  that people  buy for day-to-day  living). There  is inflation risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2) Data  and  mutual fund  rankings  published or  prepared  by  Lipper
    Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger  Investment
    Companies Service  ("CDA/Wiesenberger"), Morningstar,  Inc., Micropal,  Inc.
    and/or  other companies  that rank  and/or compare  mutual funds  by overall
    performance, investment  objectives,  assets,  expense  levels,  periods  of
    existence  and/or other factors. In this regard each Fund may be compared to
    its "peer group" as defined by Lipper, CDA/Wiesenberger, Morningstar  and/or
    other  firms, as applicable, or to specific  funds or groups of funds within
    or outside of such peer group. Lipper generally ranks funds on the basis  of
    total  return,  assuming reinvestment  of distributions,  but does  not take
    sales charges or redemption fees into consideration, and is prepared without
    regard to tax  consequences. In addition  to the mutual  fund rankings,  the
    Fund's  performance  may  be  compared to  mutual  fund  performance indices
    prepared by Lipper. Morningstar  is a mutual fund  rating service that  also
    rates  mutual funds on  the basis of  risk-adjusted performance. Morningstar
    ratings are calculated from a fund's three, five and ten year average annual
    returns with appropriate  fee adjustments  and a risk  factor that  reflects
    fund  performance  relative to  the three-month  U.S. Treasury  bill monthly
    returns. Ten percent  of the funds  in an investment  category receive  five
    stars  and 22.5% receive four stars. The  ratings are subject to change each
    month.
 
        (3) Bear  Stearns  Foreign Bond  Index,  which provides  simple  average
    returns for individual countries and gross national product ("GNP") weighted
    index,  beginning in 1975. The  returns are broken down  by local market and
    currency.
 
                  Statement of Additional Information Page 39
<PAGE>
                             GT GLOBAL THEME FUNDS
 
        (4) Ibbotson  Associates  International  Bond Index,  which  provides  a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized  index  composed of  the  capitalization-weighted average  of the
    price of 500 of the largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index ("EAFE Index").  The EAFE  index is an  unmanaged index  of more  than
    1,000 companies in Europe, Australia and the Far East.
 
        (9)  Morgan Stanley Capital  International All Country  (AC) World index
    ("MSCI"). The  MSCI is  a broad,  unmanaged index  of global  stock  prices,
    currently  comprising 2,500 different issuers,  located in 47 countries, and
    grouped in 38 separate industries.
 
       (10) Salomon Brothers  World Government Bond  Index and Salomon  Brothers
    World  Government Bond Index-Non-U.S., each of  which is a widely used index
    composed of world government bonds.
 
       (11) The  World  Bank  Publication  of  Trends  in  Developing  Countries
    ("TIDE"), which provides brief reports on most of the World Bank's borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunication companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval   service  for   information,  including,  but   not  limited  to,
    international financial and economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
       (17)  Various publications produced  by ratings agencies  such as Moody's
    Investors Service, Inc. ("Moody's"),  Standard & Poor's,  a division of  The
    McGraw-Hill Companies, Inc. ("S&P"), and Fitch.
 
       (18)  Wilshire Associates, which is an on-line database for international
    financial and economic data including  performance measure for a wide  range
    of securities.
 
       (19)  Bank Rate National Monitor Index, which is an average of the quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20) International  Finance  Corporation ("IFC")  Emerging  Markets  Data
    Base,  which  provides  detailed statistics  on  stock and  bond  markets in
    developing countries.
 
       (21) Various publications from the Organization for Economic  Cooperation
    and Development ("OECD").
 
       (22)  Average of  savings accounts,  which is a  measure of  all kinds of
    savings deposits, including longer-term certificates. Savings accounts offer
    a guaranteed rate  of return on  principal, but no  opportunity for  capital
    growth.  During a  portion of  the period,  the maximum  rates paid  on some
    savings deposits were fixed by law.
 
   
Indices, economic and  financial data  prepared by the  research departments  of
various   financial  organizations,  such  as  Salomon  Brothers,  Inc.,  Lehman
Brothers, Merrill  Lynch,  Pierce,  Fenner &  Smith,  Inc.,  Financial  Research
Corporation,  J. P. Morgan, Morgan Stanley, Smith Barney Shearson, S.G. Warburg,
Jardine Flemming,  The Bank  for  International Settlements,  Asian  Development
Bank,  Bloomberg,  L.P.,  and  Ibbotson  Associates, may  be  used,  as  well as
information reported by the Federal Reserve and the respective central banks  of
various  nations. In  addition, AIM  Distributors may  use performance rankings,
ratings and commentary reported periodically in national financial publications,
including, Money Magazine,  Mutual Fund Magazine,  Smart Money, Global  Finance,
EuroMoney,  Financial World, Forbes, Fortune,  Business Week, Latin Finance, The
Wall Street  Journal, Emerging  Markets Weekly,  Kiplinger's Guide  To  Personal
Finance,  Barron's,  The Financial  Times,  USA Today,  The  New York  Times Far
Eastern Economic Review, The Economist and
    
 
                  Statement of Additional Information Page 40
<PAGE>
                             GT GLOBAL THEME FUNDS
Investors Business Digest.  Each Fund  may compare  its performance  to that  of
other  compilations or indices  of comparable quality to  those listed above and
other indices that may be developed and made available in the future.
 
   
Information  relating  to   foreign  market   performance,  capitalization   and
diversification  is based on sources believed to  be reliable but may be subject
to revision  and  has  not been  independently  verified  by the  Funds  or  AIM
Distributors.  The  authors  and  publishers  of such  material  are  not  to be
considered as "experts" under the 1933 Act, on account of the inclusion of  such
information herein.
    
 
A  portion of the performance  figures for each market  includes the positive or
negative effects of the currency exchange rates effective at December 31 of each
year between the U.S. dollar and currency of the foreign market (e.g.,  Japanese
Yen,  German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that has
strengthened or weakened against the  U.S. dollar will positively or  negatively
affect the reported returns, as the case may be.
 
   
AIM  Distributors  believes that  this information  may  be useful  to investors
considering whether and to  what extent to  diversify their investments  through
the purchase of mutual funds investing in securities on a global basis. However,
this  data is not a representation of the  past performance of any of the Funds,
nor is it a prediction  of such performance. The  performance of the Funds  will
differ  from the historical performance of  relevant indices. The performance of
indices does not take expenses into account, while each Fund incurs expenses  in
its  operations, which will reduce performance. Each of these factors will cause
the performance of each Fund to differ from the relevant indices.
    
 
   
From time to time,  each Fund and  AIM Distributors may refer  to the number  of
shareholders  in the  Funds or  the aggregate number  of shareholders  in all GT
Global Mutual Funds or the dollar amount of each Fund's assets under  management
or rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM  Distributors believes each Fund is  an appropriate investment for long-term
investment  goals,  including  funding  retirement,  paying  for  education   or
purchasing  a house. AIM  Distributors may provide  information designed to help
individuals understand  their investment  goals  and explore  various  financial
strategies.  For example,  AIM Distributors  may describe  general principles of
investing, such as  asset allocation, diversification  and risk tolerance.  Each
Fund  does not  represent a  complete investment  program, and  investors should
consider each Fund  as appropriate  for a  portion of  their overall  investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From  time to time, AIM Distributors may refer to or advertise the names of U.S.
and non-U.S. companies and  their products, although there  can be no  assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets are  based on  the returns  of  different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to  demonstrate  general  risk-versus-reward  investment  scenarios. Performance
comparisons may also include  the value of a  hypothetical investment in any  of
these  capital  markets. The  risks associated  with the  security types  in any
capital market  may  or may  not  correspond directly  to  those of  the  Funds.
Ibbotson calculates total returns in the same method as the Funds.
 
Each  Fund may  quote various measures  of volatility  and benchmark correlation
such as beta, standard deviation and R(2) in advertising. In addition, each Fund
may compare these measures to those of other funds. Measures of volatility  seek
to  compare each Fund's historical share  price fluctuations or total returns to
those of a benchmark.
 
Each Fund may advertise  examples of the effects  of periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low.  While such a strategy does not assure  a profit or guard against loss in a
declining market, the  investor's average cost  per share can  be lower than  if
fixed  numbers of shares are purchased at the same intervals. In evaluating such
a plan, investors should  consider their ability  to continue purchasing  shares
through periods of low price levels.
 
Each  Fund may describe in its sales material and advertisements how an investor
may invest in GT Global Mutual  Funds through various retirement plans or  other
programs that offer deferral of income taxes on investment earnings and pursuant
to  which  an  investor  may make  deductible  contributions.  Because  of their
advantages, these retirement plans and programs may produce returns superior  to
comparable non-retirement investments. For example, a $10,000 investment earning
a  taxable return of 10% annually would have an after-tax value of $17,976 after
ten years, assuming tax was
 
                  Statement of Additional Information Page 41
<PAGE>
                             GT GLOBAL THEME FUNDS
deducted from the return each year  at a 39.6% rate. An equivalent  tax-deferred
investment  would have an  after-tax value of $19,626  after ten years, assuming
tax was deducted at a  39.6% rate from the deferred  earnings at the end of  the
ten-year period. In sales material and advertisements, the Fund may also discuss
these  plans and programs. See "Information Relating to Sales and Redemptions --
Individual Retirement Accounts ('IRAs') and Other Tax-Deferred Plans."
 
   
AIM Distributors may from  time to time in  its sales materials and  advertising
discuss  the risks inherent in investing. The major types of investment risk are
market risk, industry risk, credit risk, interest rate risk, liquidity risk  and
inflation risk. Risk represents the possibility that you may lose some or all of
your investment over a period of time. A basic tenet of investing is the greater
the potential reward, the greater the risk.
    
 
   
From  time to  time, the  Funds and AIM  Distributors will  quote data regarding
industries, companies, individual countries, regions, world stock exchanges, and
economic  and  demographic  statistics  from  sources  AIM  Distributors   deems
reliable,  including, but  not limited  to, the  economic and  financial data of
financial organizations such as:
    
 
 1) Stock market  capitalization:  Morgan Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 2) Stock  market  trading volume:  Morgan  Stanley Capital  International World
    Indices and IFC.
 
 3) The number  of listed  companies: IFC,  GT Guide  to World  Equity  Markets,
    Salomon Brothers, Inc., and S.G. Warburg.
 
 4) Wage  rates: U.S. Department of Labor  Statistics and Morgan Stanley Capital
    International World.
 
 5) International industry  performance:  Morgan Stanley  Capital  International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock   market  performance:  Morgan  Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 7) The Consumer Price Index and inflation rate: The World Bank, Datastream  and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top  three companies by country, industry or  market: IFC, GT Guide to World
    Equity Markets, Salomon Brothers, Inc., and S.G. Warburg.
 
15) Foreign direct  investments  to developing  countries:  The World  Bank  and
    Datastream.
 
16) Supply,  consumption,  demand  and  growth in  demand  of  certain products,
    services and industries, including, but  not limited to electricity,  water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources  of such information may include, but  would not be limited to, The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard deviation and performance returns for U.S. and non-U.S. equity  and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries  restructuring their debt,  including those under  the Brady Plan:
    The Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government and  corporate bonds  -- credit  ratings, yield  to maturity  and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time to time, AIM Distributors may include in its advertisements and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
   
In  advertising and sales  materials, AIM Distributors may  make reference to or
discuss its products, services and accomplishments. Among these  accomplishments
are  that  in 1983  the  Sub-adviser provided  assistance  to the  government of
    
 
                  Statement of Additional Information Page 42
<PAGE>
                             GT GLOBAL THEME FUNDS
   
Hong Kong in linking its currency to  the U.S. dollar, and that in 1987  Japan's
Ministry  of  Finance licensed  GT Asset  Management  Ltd. as  one of  the first
foreign  discretionary  investment   managers  for   Japanese  investors.   Such
accomplishments,  however,  should  not  be  viewed  as  an  endorsement  of the
Sub-adviser by the government of Hong  Kong, Japan's Ministry of Finance or  any
other  government or government  agency. Nor do any  such accomplishments of the
Sub-adviser provide any assurance  that the GT  Global Mutual Funds'  investment
objectives will be achieved.
    
 
   
[GT GLOBAL ADVANTAGE
    
As  part of Liechtenstein Global Trust,  GT Global continues a 75-year tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine  offices  worldwide,  we  witness world  events  and  economic developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The key to achieving  consistent results is  following a disciplined  investment
process. Our approach to asset allocation takes
advantage  of  GT  Global's  worldwide  presence  and  global  perspective.  Our
"macroeconomic" worldview determines our  overall strategy of regional,  country
and  sector allocations.  Our bottom-up  process of  security selection combines
fundamental research with quantitative analysis through our proprietary models.
 
Built-in checks  and balances  strengthen  the process,  enhancing  professional
experience  and judgment with an objective  assessment of risk. Ultimately, each
security we select has  passed a ranking system  that helps our portfolio  teams
determine  when to buy and when to sell.  With respect to stocks, a global stock
research ("GSR") database developed  by GT Global is  utilized in the  selection
process.  All stocks  within the GSR  database are systematically  ranked by our
analysts on a  1-5 basis  with 1 representing  the most  favored. The  rankings,
along  with our quantitative,  fundamental research, determine  which stocks are
bought and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
GENERAL INFORMATION ABOUT THE THEME FUNDS AND THEME PORTFOLIOS
Each Theme Portfolio may invest worldwide across industries within the Portfolio
area  of concentration without national or regional restrictions. The ability of
each Theme Portfolio  to invest worldwide  may allow the  portfolio managers  to
select   industries  in  different   economic  cycles  and   varying  stages  of
development, though there is no assurance  that the managers will be  successful
in this selection.
 
   
Each  Theme Portfolio's area  of concentration reflects  the underlying theme of
the  Portfolio.  AIM  Distributors  believes  that  there  are  certain  social,
political  and economic trends that may benefit  one or more industries within a
Theme Portfolio's area of concentration. Of  course, there is no assurance  that
any of the Funds will benefit as a result.
    
 
HEALTH CARE FUND
   
From time to time the Fund and AIM Distributors will quote information including
data regarding:
    
 
    / / Trading  volume, number of listed companies and the largest companies of
        the global health care industry
 
                  Statement of Additional Information Page 43
<PAGE>
                             GT GLOBAL THEME FUNDS
 
    / / Expenditures by various countries, regions and age groups on health care
 
    / / Population of countries, regions and age groups
 
    / / Natality and  mortality  rates in  various  regions, countries  and  age
        groups
 
    / / Life expectancy rates in various regions, countries and age groups
 
    / / New health care products and products seeking approval
 
    / / Health maintenance organizations (HMOs) and their enrollment growth
 
    / / Studies  from,  but not  limited  to, the  American  Medical Association
        showing the effectiveness of using drugs to cure illness
 
    / / Medical technology and devices in use or in development
 
    / / Regulatory environment of health care industries
 
    / / Consolidation in the health care industries
 
   
The information quoted  has not  been independently verified  by a  Fund or  AIM
Distributors  and will be based on data provided that is believed to be reliable
and accurate from sources including the following:
    
 
    / / Research firms such  as Mehta and  Isaly which publishes  PHARMACEUTICAL
        PORTFOLIO RECOMMENDATIONS
 
    / / OECD  and its publications such as the OECD HEALTH DATA, as supplemented
        annually
 
    / / Morgan Stanley Capital International stock market industry indices  such
        as Health & Personal Care
 
    / / The  World  Bank  and its  publications  such as  THE  WORLD DEVELOPMENT
        REPORT, as supplemented annually
 
    / / IFC and publications such as the EMERGING STOCK MARKETS FACTBOOK
 
INFORMATION ABOUT THE GLOBAL HEALTH CARE INDUSTRIES
   
The Fund and the Sub-adviser believe that certain market and demographic factors
merit  an  investor's  consideration  when  making  a  health  care  investment.
Worldwide   standards  of  living  and  life  expectancy  have  increased  at  a
substantial rate.  The  Sub-adviser expects  this  growth, which  works  to  the
general  benefit of the  global health care  industry, to continue  at a roughly
comparable rate  in the  future, although  no assurances  can be  given in  this
regard.  Moreover,  according  to  the  Sub-adviser,  the  health  care industry
historically has proven to be a relatively non-cyclical industry that  continues
to  provide goods and services to the  public in periods of economic weakness as
well as economic strength.
    
 
   
The Sub-adviser believes that  the anticipated increase  in the world's  elderly
population  could increase  demand for  health care  products and  services. For
example, according to data compiled by  the Sub-adviser, in Japan the number  of
people  age 65  and older is  expected to  grow over 100%  by the  year 2025; in
Germany, France and the U.S., the same age group should grow 40%. Similarly, the
U.S. Census Bureau predicts the  number of Americans 85  and older to double  in
the  next 30 years. From time to time,  the Fund and AIM Distributors will quote
information  including,  but  not  limited  to,  international  data   regarding
populations,   birth  rates,  mortality  rates,  life  expectancy,  health  care
expenditures, and gross  domestic product vs.  life expectancy. The  information
quoted  has not been independently verified by  the Fund or AIM Distributors and
will be based on data that is believed to be reliable and accurate.
    
 
TELECOMMUNICATIONS FUND
   
From time to time the Fund and AIM Distributors will quote information including
data regarding:
    
 
    / / Increased usage  of  new  technologies  such as,  but  not  limited  to,
        cellular   and  wireless  communications  in  emerging  and  established
        countries around the world
 
    / / Supply and demand of telephone equipment and services
 
    / / Regulatory environment of telecommunications industries
 
    / / Revenue, price and usage of telecommunications products and services
 
    / / Privatization and/or deregulation of telecommunications companies
 
   
The information quoted has  not been independently verified  by the Fund or  AIM
Distributors  and will be based on data provided that is believed to be reliable
and accurate from sources including the following:
    
 
    / / Salomon Brothers World Equity  Telecommunications Index, which  includes
        stock  market data about the  telecommunications industry in established
        and developing markets
 
    / / OECD  and  other  publications  from   its  subsidiaries  such  as   the
        International Telecommunications Union
 
    / / Morgan  Stanley Capital International stock market industry indices such
        as Telecommunications, Broadcasting &  Publishing and Data Processing  &
        Reproduction
 
                  Statement of Additional Information Page 44
<PAGE>
                             GT GLOBAL THEME FUNDS
 
    / / International Technology Consultants, a Washington D.C. based firm which
        publishes  reports such as EASTERN EUROPEAN  & SOVIET TELECOM REPORT and
        LATIN AMERICAN TELECOM REPORT
 
    / / Telegeography and other publications
 
DEREGULATION IN THE UNITED STATES
   
The United States  has been  the bellwether  for deregulation  of the  telephone
industry.  The  divestiture  of  the Bell  System  from  American  Telephone and
Telegraph has  produced competing  companies  in the  United States.  Such  U.S.
market-driven  competition has,  for example, led  to lower  costs for consumers
which in turn led to greater consumer usage and to higher industrywide revenues.
The Sub-adviser expects this scenario to  continue to benefit such companies  in
the  U.S. and  similarly to  be realized  by the  established telecommunications
companies in established economies, although no  assurances can be made in  this
regard.
    
 
GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
   
From time to time the Fund and AIM Distributors will quote information including
data regarding:
    
 
    / / Trading volume, number of listed companies and the largest companies
        located around the world in the consumer products and services
        industries
 
    / / Expenditures, demand and consumption by various countries, regions,
        income classes and age groups of consumer products and services
 
    / / Population of countries, regions and age groups
 
    / / Life expectancy rates in various regions, countries and age groups
 
    / / New consumer products and services in the development or manufacturing
        stages
 
    / / Income of various regions, countries and age groups
 
    / / Sales and sales growth of consumer products and services companies in
        their own country and abroad
 
    / / Sales, supply and demand of consumer products and services
 
    / / Parent Companies and the products and services they distribute
 
    / / Regulatory environment of consumer products industries
 
   
The  information quoted will  not be independently  verified by the  Fund or AIM
Distributors and will be based on data provided that is believed to be  reliable
and accurate from sources including the following:
    
 
    / / Consumer and trade groups
 
    / / Fortune magazine and other periodicals
 
    / / The World Bank and its publications
 
    / / The International Monetary Fund (IMF) and its publications
 
    / / IFC and its publications
 
    / / OECD and its publications
 
INFRASTRUCTURE FUND
   
From time to time the Fund and AIM Distributors may quote information including:
    
 
    / / Supply  and  demand of  telephone  equipment and  services, electricity,
        water, transportation, construction  materials and other  infrastructure
        related products and services
 
    / / Regulatory environment of infrastructure industries
 
    / / Quantity and costs of current and projected infrastructure projects
 
    / / Privatization of industries and companies
 
    / / New   technologies,  products   and  services   used  in  infrastructure
        industries
 
    / / Infrastructure Finance magazine and other periodicals
 
FINANCIAL SERVICES FUND
   
From time to time the Fund and AIM Distributors may quote information including:
    
 
    / / Supply and demand of financial services
 
    / / Regulatory environment of financial service industries
 
    / / Credit ratings of U.S. and non-U.S. banks
 
                  Statement of Additional Information Page 45
<PAGE>
                             GT GLOBAL THEME FUNDS
 
    / / New technologies, products and services  used in the financial  services
        industries
 
    / / Consolidation in the financial services industries
 
NATURAL RESOURCES FUND
   
From time to time the Fund and AIM Distributors may quote information including:
    
 
    / / Supply, demand and prices of natural resources
 
    / / Regulatory environment of natural resources
 
    / / Supply,   demand  and  prices  of  products  manufactured  from  natural
        resources
 
    / / New technologies, products  and services used  in the natural  resources
        industries
 
- --------------------------------------------------------------------------------
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future  cannot be  considered well-assured.  Often the  protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
                  Statement of Additional Information Page 46
<PAGE>
                             GT GLOBAL THEME FUNDS
 
Should no rating be assigned, the reason may be one of the following:
 
         1. An application for rating was not received or accepted.
 
         2. The issue or  issuer belongs to a  group of securities or  companies
    that are not rated as a matter of policy.
 
         3. There is a lack of essential data pertaining to the issue or issuer.
 
         4.  The issue  was privately  placed, in which  case the  rating is not
    published in Moody's publications.
 
Suspension or withdrawal may occur if new and material circumstances arise,  the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable  up-to-date data  to permit  a judgment  to be  formed; if  a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies  numerical modifiers, 1,  2 and 3  in each generic  rating
classification  from Aa to Caa. The modifier  1 indicates that the Company ranks
in the higher end  of its generic  rating category; the  modifier 2 indicates  a
mid-range  ranking; and the modifier  3 indicates that the  Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a  division of The  McGraw-Hill Companies, Inc.  ("S&P"),
rates  the securities debt of various  entities in categories ranging from "AAA"
to "D"  according  to quality.  Investment  grade  ratings are  the  first  four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
                  Statement of Additional Information Page 47
<PAGE>
                             GT GLOBAL THEME FUNDS
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient information on which to base a rating, or that S&P does not rate  a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates  of return on  funds employed; conservative  capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in  earnings
coverage  of  fixed financial  charges and  high  internal cash  generation; and
well-established access to a range of  financial markets and assured sources  of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior  short-term debt obligations. This normally  will be evidenced by many of
the characteristics cited  above but  to a  lesser degree.  Earnings trends  and
coverage  ratios, while sound, may be  more subject to variation. Capitalization
characteristics, while  still  appropriate, may  be  more affected  by  external
conditions. Ample alternate liquidity is maintained.
 
    S&P  ratings of commercial paper are  graded into several categories ranging
from "A1" for the highest quality obligations  to "D" for the lowest. Issues  in
the  "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate the
relative degree  of safety.  A-1 --  This highest  category indicates  that  the
degree  of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation.  A-2  -- Capacity  for  timely  payments on  issues  with  this
designation  is satisfactory; however,  the relative degree of  safety is not as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
   
To be filed.
    
 
                  Statement of Additional Information Page 48
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL THEME FUNDS
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates of equity securities of large cap companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY  G.T.
  INVESTMENT  FUNDS,  GT  GLOBAL  FINANCIAL  SERVICES  FUND,  GLOBAL FINANCIAL
  SERVICES PORTFOLIO,  GT GLOBAL  INFRASTRUCTURE FUND,  GLOBAL  INFRASTRUCTURE
  PORTFOLIO,  GT  GLOBAL  NATURAL  RESOURCES  FUND,  GLOBAL  NATURAL RESOURCES
  PORTFOLIO, GT GLOBAL  CONSUMER PRODUCTS AND  SERVICES FUND, GLOBAL  CONSUMER
  PRODUCTS  AND  SERVICES PORTFOLIO,  GT GLOBAL  HEALTH  CARE FUND,  GT GLOBAL
  TELECOMMUNICATIONS FUND,  A  I  M  ADVISORS,  INC.,  [CHANCELLOR  LGT  ASSET
  MANAGEMENT,  INC.] OR A I M  DISTRIBUTORS, INC. THIS STATEMENT OF ADDITIONAL
  INFORMATION DOES NOT  CONSTITUTE AN  OFFER TO  SELL OR  SOLICITATION OF  ANY
  OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY JURISDICTION TO ANY
  PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
                                                                     THESX703 MC
<PAGE>
                            GT GLOBAL INCOME FUNDS:
                                 ADVISOR CLASS
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  Statement of Additional Information relates to the Advisor Class shares of
the GT  Global Government  Income  Fund ("Government  Income Fund"),  GT  Global
Strategic  Income Fund ("Strategic Income Fund")  and GT Global High Income Fund
("High Income Fund") (each, a "Fund," and, collectively, "Funds"). Each Fund  is
a  non-diversified series of G.T. Investment Funds (the "Company"), a registered
open-end  management   investment   company.  This   Statement   of   Additional
Information,  which  is not  a  Prospectus, supplements  and  should be  read in
conjunction with the Funds' current Advisor Class Prospectus dated June 1, 1998,
a copy of which is available without  charge by writing to the above address  or
by calling the Funds at the toll-free telephone number listed above.
    
 
   
A  I M Advisors, Inc. serves as the investment manager of and administrator for,
and [Chancellor LGT Asset  Management, Inc.] (the  "Sub-adviser") serves as  the
sub-adviser  and sub-administrator for the Government Income Fund, the Strategic
Income Fund and the Global High Income Portfolio (the "Portfolio"). AIM and  the
Sub-adviser also serve as the administrator and sub-administrator, respectively,
of  the High Income Fund.  The distributor of the  shares of each Fund  is A I M
Distributors, Inc. ("AIM Distributors"). The Funds' transfer agent is GT  Global
Investor Services, Inc. ("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objectives and Policies.......................................................................................      2
Options, Futures and Currency Strategies.................................................................................      6
Risk Factors.............................................................................................................     15
Investment Limitations...................................................................................................     19
Execution of Portfolio Transactions......................................................................................     24
Trustees and Executive Officers..........................................................................................     26
Management...............................................................................................................     28
Valuation of Fund Shares.................................................................................................     30
Information Relating to Sales and Redemptions............................................................................     31
Taxes....................................................................................................................     33
Additional Information...................................................................................................     36
Investment Results.......................................................................................................     37
Description of Debt Ratings..............................................................................................     43
Financial Statements.....................................................................................................     45
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                       INVESTMENT OBJECTIVES AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVES
   
The  Government Income Fund primarily seeks  high current income and secondarily
seeks capital appreciation and protection of principal through active management
of the maturity structure and currency exposure of its portfolio. The  Strategic
Income  Fund and  the High  Income Fund primarily  seek high  current income and
secondarily seek capital appreciation. The High Income Fund seeks to achieve its
investment  objectives  by  investing  all  of  its  investable  assets  in  the
Portfolio,  which is  a non-diversified  open-end management  investment company
with investment objectives identical to those  of the Fund. Whenever the  phrase
"all  of the Fund's investable assets" is  used herein and in the Prospectus, it
means that the only investment securities held  by the High Income Fund will  be
its  interest in the Portfolio. The High Income Fund may withdraw its investment
in the Portfolio at any time, if the Board of Trustees of the Company determines
that it is in the best interests of the Fund and its shareholders to do so. Upon
any such  withdrawal,  the  High  Income Fund's  assets  would  be  invested  in
accordance  with the investment policies of the Portfolio described below and in
the Prospectus.
    
 
INVESTMENT IN EMERGING MARKETS
The Portfolio seeks its objectives by investing, under normal circumstances,  at
least 65% of its total assets in debt securities of issuers in emerging markets.
The  Strategic Income Fund may invest up to 50% of its assets in debt securities
of issuers in emerging markets. The  Strategic Income Fund and the Portfolio  do
not consider the following countries to be emerging markets: Australia, Austria,
Belgium,   Canada,  Denmark,   France,  Germany,  Ireland,   Italy,  Japan,  the
Netherlands, New Zealand,  Norway, Spain, Sweden,  Switzerland, United  Kingdom,
and United States.
 
   
In  addition to the  factors set forth  in the Prospectus,  the Sub-adviser will
also consider,  when determining  what  countries constitute  emerging  markets,
data, analysis, and classification of countries published or disseminated by the
International  Bank for  Reconstruction and  Development (commonly  known as the
World Bank) and the International Finance Corporation.
    
 
SELECTION OF DEBT INVESTMENTS
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries  and geographic regions for the  Government Income Fund, the Strategic
Income  Fund  and  the  Portfolio,  the  Sub-adviser  ordinarily  considers  the
following  factors: prospects for  relative economic growth  among the different
countries in which the Government Income Fund, the Strategic Income Fund and the
Portfolio  may  invest;  expected  levels  of  inflation;  government   policies
influencing business conditions; the outlook for currency relationships; and the
range  of  the individual  investment  opportunities available  to international
investors.
    
 
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
invest   in  the  following  types  of  money  market  instruments  (i.e.,  debt
instruments with less than  12 months remaining  until maturity) denominated  in
U.S.  dollars or other  currencies: (a) obligations issued  or guaranteed by the
U.S.   or   foreign   governments,   their   agencies,   instrumentalities    or
municipalities;  (b)  obligations  of  international  organizations  designed or
supported  by  multiple  foreign  governmental  entities  to  promote   economic
reconstruction  or  development;  (c)  finance  company  obligations,  corporate
commercial  paper  and  other   short-term  commercial  obligations;  (d)   bank
obligations  (including certificates of deposit,  time deposits, demand deposits
and bankers' acceptances), subject to the restriction that the Government Income
Fund, the Strategic Income Fund and the  Portfolio may not invest more than  25%
of  their respective total assets in  bank securities; (e) repurchase agreements
with respect to the  foregoing; and (f)  other substantially similar  short-term
debt securities with comparable characteristics.
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
With  respect to certain  countries, investments by  the Government Income Fund,
the Strategic  Income Fund  and the  Portfolio  presently may  be made  only  by
acquiring shares of other investment companies (including investment vehicles or
companies  advised by  the Sub-adviser  or its  affiliates ("Affiliated Funds"))
with local governmental approval to invest  in those countries. At such time  as
direct investment in these countries is allowed, the Government Income Fund, the
Strategic  Income Fund and the Portfolio  anticipate investing directly in these
markets. The Government Income Fund, the
    
 
                   Statement of Additional Information Page 2
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
Strategic Income Fund  and the Portfolio  may also invest  in the securities  of
closed-end  investment companies within the limits of the Investment Company Act
of 1940, as amended ("1940 Act").  These limitations currently provide that,  in
part,  a Fund or the Portfolio may purchase shares of another investment company
unless (a) such a purchase would cause the Government Income Fund, the Strategic
Income Fund or the Portfolio to own in  the aggregate more than 3% of the  total
outstanding  voting securities of the investment  company or (b) such a purchase
would cause  the  Government Income  Fund,  the  Strategic Income  Fund  or  the
Portfolio  to have more than  5% of its total  assets invested in the investment
company or more than 10% of its aggregate assets invested in an aggregate of all
such investment  companies.  The  foregoing  limitations do  not  apply  to  the
investment  by the High  Income Fund in the  Portfolio. Investment in investment
companies may involve  the payment of  substantial premiums above  the value  of
such  companies' portfolio securities. The Government Income Fund, the Strategic
Income Fund  and  the Portfolio  do  not intend  to  invest in  such  investment
companies  unless, in the judgment of the Sub-adviser, the potential benefits of
such investments justify the payment of  any applicable premiums. The return  on
such  securities  will  be  reduced  by  operating  expenses  of  such companies
including payments to  the investment  managers of  those investment  companies.
With  respect to  investments in  Affiliated Funds,  the Sub-adviser  waives its
advisory fee to the extent that such fees are based on assets of a Fund invested
in Affiliated Funds.
    
 
SAMURAI AND YANKEE BONDS
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
invest  in yen-denominated bonds sold in Japan by non-Japanese issuers ("Samurai
bonds"), and may invest in dollar-denominated bonds sold in the United States by
non-U.S. issuers ("Yankee  bonds"). It is  the policy of  the Government  Income
Fund, the Strategic Income Fund and the Portfolio to invest in Samurai or Yankee
bond  issues  only  after  taking into  account  considerations  of  quality and
liquidity, as well as yield.
 
WARRANTS OR RIGHTS
Warrants or rights may be acquired by the Government Income Fund, the  Strategic
Income  Fund or the Portfolio in  connection with other securities or separately
and provide a Fund or the Portfolio with  the right to purchase at a later  date
other securities of the issuer.
 
LENDING OF PORTFOLIO SECURITIES
   
For  the purpose of realizing additional income, the Government Income Fund, the
Strategic Income  Fund or  the Portfolio  may make  secured loans  of  portfolio
securities  amounting to not more than 30% of its total assets. Securities loans
are made to  broker/dealers or  institutional investors  pursuant to  agreements
requiring that the loans continuously be secured by collateral at least equal at
all times to the value of the securities lent plus any accrued interest, "marked
to  market" on  a daily basis.  The Funds  and the Portfolio  may pay reasonable
administrative and custodial fees  in connection with  loans of its  securities.
While  the  securities  loan is  outstanding,  the Government  Income  Fund, the
Strategic Income Fund and the Portfolio will continue to receive the  equivalent
of  the interest or dividends  paid by the issuer on  the securities, as well as
interest on the investment  of the collateral  or a fee  from the borrower.  The
Government  Income Fund, the  Strategic Income Fund and  the Portfolio each will
have a right  to call  each loan  and obtain  the securities  within the  stated
settlement period. The Government Income Fund, the Strategic Income Fund and the
Portfolio will not have the right to vote equity securities while they are lent,
but each may call in a loan in anticipation of any important vote. Loans will be
made only to firms deemed by the Sub-adviser to be of good standing and will not
be  made unless,  in the  judgment of the  Sub-adviser, the  consideration to be
earned from such loans would justify the risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For the purposes of the Strategic  Income Fund's and the Portfolio's  investment
policies  with respect to  bank obligations, obligations  of foreign branches of
U.S. banks and of foreign banks are  obligations of the issuing bank and may  be
general  obligations  of  the parent  bank.  Such obligations,  however,  may be
limited by the terms of a  specific obligation and by government regulation.  As
with   investment  in  non-U.S.  securities   in  general,  investments  in  the
obligations of foreign branches of U.S.  banks and of foreign banks may  subject
the  the Strategic Income  Fund and the  Portfolio to investment  risks that are
different in some respects from those of investments in obligations of  domestic
issuers.  Although the  Strategic Income Fund  and the  Portfolio typically will
acquire obligations issued and supported by the credit of U.S. or foreign  banks
having  total assets at  the time of purchase  in excess of  $1 billion, this $1
billion figure is not an investment policy or restriction of either Fund or  the
Portfolio.  For  the purposes  of  calculation with  respect  to the  $1 billion
figure, the assets of a  bank will be deemed to  include the assets of its  U.S.
and non-U.S. branches.
 
REPURCHASE AGREEMENTS
A  repurchase agreement is a  transaction in which the  Fund or Portfolio buys a
security from a bank or recognized securities dealer and simultaneously  commits
to  resell that security to the bank or dealer at an agreed upon price, date and
market rate  of  interest  unrelated to  the  coupon  rate or  maturity  of  the
purchased security. Although repurchase agreements carry
 
                   Statement of Additional Information Page 3
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
certain  risks not associated  with direct investments  in securities, including
possible decline in the market value of the underlying securities and delays and
costs to the Funds or Portfolio if  the other party to the repurchase  agreement
becomes  bankrupt, the Government Income Fund, the Strategic Income Fund and the
Portfolio intend  to  enter  into  repurchase agreements  only  with  banks  and
broker/dealers  believed by the  Sub-adviser to present  minimal credit risks in
accordance with guidelines  approved by  the Company's Board  of Directors.  The
Sub-adviser reviews and monitors the creditworthiness of such institutions under
the Board's general supervision.
    
 
The  Government Income  Fund, the Strategic  Income Fund and  the Portfolio will
invest only in repurchase agreements collateralized at all times in an amount at
least equal to the  repurchase price plus accrued  interest. To the extent  that
the  proceeds from any sale of such  collateral upon a default in the obligation
to repurchase were less than the  repurchase price, the Government Income  Fund,
the Strategic Income Fund or the Portfolio would suffer a loss. If the financial
institution  which is party to the repurchase agreement petitions for bankruptcy
or otherwise  becomes subject  to bankruptcy  or other  liquidation  proceedings
there  may be restrictions  on the Government Income  Fund, the Strategic Income
Fund's or the  Portfolio's ability  to sell  the collateral  and the  Government
Income  Fund, the Strategic  Income Fund or  the Portfolio could  suffer a loss.
However, with respect to financial institutions whose bankruptcy or  liquidation
proceedings are subject to the U.S. Bankruptcy Code, the Government Income Fund,
the  Strategic Income  Fund and the  Portfolio intend to  comply with provisions
under such Code that  would allow the immediate  resale of such collateral.  The
Government  Income  Fund  will not  enter  into  a repurchase  agreement  with a
maturity of more than seven days if, as a result, more than 10% of the value  of
its  total  assets would  be invested  in such  repurchase agreements  and other
illiquid investments  and  securities  for which  no  readily  available  market
exists.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
The  Government Income Fund's borrowings will not exceed 30% of the Fund's total
assets, i.e., the Fund's total assets at  all times will equal at least 300%  of
the amount of outstanding borrowings. If market fluctuations in the value of the
Fund's  portfolio holdings or other factors cause  the ratio of the Fund's total
assets  to  outstanding  borrowings  to  fall  below  300%,  within  three  days
(excluding  Sundays and holidays) of such event the Fund may be required to sell
portfolio securities to  restore the 300%  asset coverage, even  though from  an
investment  standpoint such sales might be disadvantageous. The Strategic Income
Fund's and the Portfolio's borrowings will  not exceed 33 1/3% of the  Strategic
Income Fund's or the Portfolio's, respective total assets. The Government Income
Fund,  the Strategic Income Fund  and the Portfolio each may  borrow up to 5% of
its respective total assets  for temporary or emergency  purposes other than  to
meet  redemptions. Any borrowing  by a Fund  or the Portfolio  may cause greater
fluctuation in the value of its shares than would be the case if the Fund or the
Portfolio did not borrow.
 
The Government Income Fund's,  the Strategic Income  Fund's and the  Portfolio's
fundamental  investment  limitations permit  it to  borrow money  for leveraging
purposes. The Government Income Fund, however, currently is prohibited, pursuant
to a  non-fundamental  investment  policy,  from borrowing  money  in  order  to
purchase securities. Nevertheless, this policy may be changed in the future by a
vote  of a majority  of the Company's  Board of Directors.  The Strategic Income
Fund and Portfolio may borrow for  leveraging purposes. If the Strategic  Income
Fund  or  the  Portfolio  employs  leverage,  it  would  be  subject  to certain
additional risks. Use of leverage creates  an opportunity for greater growth  of
capital  but would exaggerate  any increases or  decreases in the  Fund's or the
Portfolio's net asset value. When the  income and gains on securities  purchased
with  the  proceeds  of borrowings  exceed  the  costs of  such  borrowings, the
Government Income  Fund's,  the  Strategic  Income  Fund's  or  the  Portfolio's
earnings  or net asset  value will increase  faster than otherwise  would be the
case; conversely, if such income and gains fail to exceed such costs, the Fund's
or the Portfolio's earnings or net  asset value would decline faster than  would
otherwise be the case.
 
   
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
enter into reverse repurchase  agreements. A reverse  repurchase agreement is  a
borrowing transaction in which a Fund or the Portfolio transfers possession of a
security  to another party, such as a bank or broker/dealer, in return for cash,
and agrees to repurchase  the security in  the future at  an agreed upon  price,
which  includes an interest component. The Government Income Fund, the Strategic
Income Fund and the Portfolio also  may engage in "roll" borrowing  transactions
which  involve a Fund's or the  Portfolio's sale of Government National Mortgage
Association certificates or  other securities  together with  a commitment  (for
which  a Fund or the  Portfolio may receive a fee)  to purchase similar, but not
identical, securities  at  a  future  date.  The  Government  Income  Fund,  the
Strategic Income Fund and the Portfolio will segregate with a custodian, cash or
liquid  securities in an amount sufficient to cover its obligations under "roll"
transactions  and  reverse  repurchase  agreements  with  broker/  dealers.   No
segregation is required for reverse repurchase agreements with banks.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
SHORT SALES
The Government Income Fund, the Strategic Income Fund and the Portfolio may make
short  sales of securities, although they have no current intention of doing so.
A short sale is a transaction in which a Fund or the Portfolio sells a  security
in  anticipation  that  the market  price  of  that security  will  decline. The
Government Income Fund,  the Strategic Income  Fund and the  Portfolio may  make
short  sales as a form of hedging to offset potential declines in long positions
in securities  it owns,  or  anticipates acquiring,  and  in order  to  maintain
portfolio flexibility. The Government Income Fund, the Strategic Income Fund and
the Portfolio only may make short sales "against the box." In this type of short
sale,  at the time of the  sale, the Fund or the  Portfolio owns the security it
has sold  short or  has the  immediate and  unconditional right  to acquire  the
identical security at no additional cost.
 
In a short sale, the seller does not immediately deliver the securities sold and
does  not receive the proceeds from the sale. To make delivery to the purchaser,
the executing broker borrows  the securities being sold  short on behalf of  the
seller. The seller is said to have a short position in the securities sold until
it  delivers the securities sold, at which  time it receives the proceeds of the
sale. To secure its obligation to deliver securities sold short, the  Government
Income  Fund,  the Strategic  Income Fund  or  the Portfolio  will deposit  in a
separate account with its custodian an equal amount of the securities sold short
or securities convertible into or exchangeable  for such securities at no  cost.
The  Government Income  Fund, the Strategic  Income Fund or  the Portfolio could
close out a short position by purchasing  and delivering an equal amount of  the
securities  sold short, rather than by delivering securities already held by the
Fund or the Portfolio, because the Fund or the Portfolio might want to  continue
to  receive interest and  dividend payments on securities  in its portfolio that
are convertible into the securities sold short.
 
   
The Government Income Fund,  the Strategic Income Fund  and the Portfolio  might
make  a short sale "against the box" in order to hedge against market risks when
the Sub-adviser believes  that the price  of a security  may decline, causing  a
decline  in the  value of a  security owned  by the Government  Income Fund, the
Strategic Income  Fund  or the  Portfolio  or  a security  convertible  into  or
exchangeable  for  such  security.  In  such  case,  any  future  losses  in the
Government Income Fund's, the  Strategic Income Fund's  Fund or the  Portfolio's
long position should be reduced by a gain in the short position. Conversely, any
gain in the long position should be reduced by a loss in the short position. The
extent  to which  such gains  or losses  in the  long position  are reduced will
depend upon the amount of  the securities sold short  relative to the amount  of
the  securities the Fund  or the Portfolio owns,  either directly or indirectly,
and, in the  case where  a Fund or  the Portfolio  owns convertible  securities,
changes  in the  investment values  or conversion  premiums of  such securities.
There will be certain additional  transaction costs associated with short  sales
"against  the box," but  a Fund or  the Portfolio will  endeavor to offset these
costs with income from the investment of the cash proceeds of short sales.
    
 
                   Statement of Additional Information Page 5
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                    OPTIONS, FUTURES AND CURRENCY STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The use of options, futures  contracts and forward currency contracts  ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1)  Successful  use  of  most of  these  instruments  depends  upon the
    Sub-adviser's ability to  predict movements  of the  overall securities  and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the  use of these instruments, there can be no assurance that any particular
    strategy adopted will succeed.
    
 
        (2) There  might  be  imperfect correlation,  or  even  no  correlation,
    between  price  movements  of  an  instrument  and  price  movements  of the
    investments being hedged. For example, if the value of an instrument used in
    a short hedge  increased by less  than the  decline in value  of the  hedged
    investment,  the  hedge  would  not  be fully  successful.  Such  a  lack of
    correlation might  occur  due to  factors  unrelated  to the  value  of  the
    investments  being hedged,  such as  speculative or  other pressures  on the
    markets in  which the  hedging instrument  is traded.  The effectiveness  of
    hedges  using hedging  instruments on indices  will depend on  the degree of
    correlation between price movements in the index and price movements in  the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or  partially offsetting the negative  effect of unfavorable price movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity for gain by  offsetting the positive  effect of favorable  price
    movements in the hedged investments. For example, if a Fund or the Portfolio
    entered  into a short  hedge because the Sub-adviser  projected a decline in
    the price of a security in the Fund's or the Portfolio's portfolio, and  the
    price  of that security increased instead, the gain from that increase might
    be wholly or  partially offset  by a  decline in  the price  of the  hedging
    instrument.  Moreover, if  the price of  the hedging  instrument declined by
    more than  the increase  in  the price  of the  security,  the Fund  or  the
    Portfolio  could  suffer  a loss.  In  either  such case,  the  Fund  or the
    Portfolio would have been in a better position had it not hedged at all.
    
 
        (4) As described  below, a Fund  or the Portfolio  might be required  to
    maintain  assets  as "cover,"  maintain segregated  accounts or  make margin
    payments when it  takes positions  in instruments  involving obligations  to
    third parties (I.E., instruments other than purchased options). If a Fund or
    the Portfolio were unable to close out its positions in such instruments, it
    might  be required to continue  to maintain such assets  or accounts or make
    such payments until the position expired or matured. The requirements  might
    impair  the Fund's  ability or the  Portfolio's ability to  sell a portfolio
    security or  make  an  investment at  a  time  when it  would  otherwise  be
    favorable  to  do so,  or  require that  the Fund  or  the Portfolio  sell a
    portfolio security at a disadvantageous time. The Fund's or the  Portfolio's
    ability  to close  out a  position in an  instrument prior  to expiration or
    maturity depends on the  existence of a liquid  secondary market or, in  the
    absence  of such a market, the ability and willingness of the other party to
    the transaction ("contra party") to enter into a transaction closing out the
    position. Therefore, there is no assurance  that any position can be  closed
    out at a time and price that is favorable to the Fund or the Portfolio.
 
WRITING CALL OPTIONS
   
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
write (sell) call options  on securities, indices  and currencies. Call  options
generally  will be written on securities and  currencies that, in the opinion of
the Sub-adviser are  not expected  to make  any major  price moves  in the  near
future but that, over the long term, are deemed to be attractive investments for
the Government Income Fund, the Strategic Income Fund and the Portfolio.
    
 
A  call option  gives the  holder (buyer)  the right  to purchase  a security or
currency at a specified price (the  exercise price) at any time until  (American
style)  or on (European style) a certain  date (the expiration date). So long as
the obligation of the writer of a  call option continues, he may be assigned  an
exercise  notice, requiring him  to deliver the  underlying security or currency
against payment  of the  exercise  price. This  obligation terminates  upon  the
expiration of the call option, or such
 
                   Statement of Additional Information Page 6
<PAGE>
                             GT GLOBAL INCOME FUNDS
earlier  time  at which  the writer  effects a  closing purchase  transaction by
purchasing an option identical to that previously sold.
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on  the basis of  investment considerations  consistent with a
Fund's or the Portfolio's investment objectives. When writing a call option, the
Government Income Fund, the  Strategic Income Fund or  the Portfolio, in  return
for  the premium, gives up  the opportunity for profit  from a price increase in
the underlying security or  currency above the exercise  price, and retains  the
risk  of loss should the  price of the security  or currency decline. Unlike one
who owns  securities or  currencies not  subject to  an option,  a Fund  or  the
Portfolio  has no control  over when it  may be required  to sell the underlying
securities or currencies, since most options may be exercised at any time  prior
to  the option's expiration. If  a call option that a  Fund or the Portfolio has
written expires, the Fund or the Portfolio will realize a gain in the amount  of
the  premium; however, such gain may be offset  by a decline in the market value
of the underlying  security or currency  during the option  period. If the  call
option  is exercised, the Fund or the Portfolio will realize a gain or loss from
the sale of  the underlying  security or currency,  which will  be increased  or
offset by the premium received. The Government Income Fund, the Strategic Income
Fund  and the Portfolio do not consider a security or currency covered by a call
option to be "pledged" as that term is used in the Government Income Fund's, the
Strategic Income Fund's and the  Portfolio's fundamental investment policy  that
limits the pledging or mortgaging of its assets.
 
Writing  call options can serve as a limited short hedge because declines in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
appreciates to a price higher than the exercise price of the call option, it can
be expected that the option will be  exercised and a Fund or the Portfolio  will
be obligated to sell the security or currency at less than its market value.
 
   
The  premium that the Government  Income Fund, the Strategic  Income Fund or the
Portfolio receives for writing a call option is deemed to constitute the  market
value  of  an option.  The premium  a Fund  or the  Portfolio will  receive from
writing a call option will reflect, among other things, the current market price
of the underlying  investment, the relationship  of the exercise  price to  such
market  price, the historical price volatility of the underlying investment, and
the length of the option period. In determining whether a particular call option
should be  written, the  Sub-adviser  will consider  the reasonableness  of  the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing  transactions  will be  effected  in order  to  realize a  profit  on an
outstanding call  option, to  prevent an  underlying security  or currency  from
being  called, or  to permit  the sale of  the underlying  security or currency.
Furthermore, effecting a closing transaction  will permit the Government  Income
Fund, the Strategic Income Fund or the Portfolio to write another call option on
the  underlying security  or currency  with either  a different  exercise price,
expiration date or both.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio will pay
transaction costs in connection with the writing of options and in entering into
closing purchase  contracts.  Transaction  costs relating  to  options  activity
normally  are higher than  those applicable to purchases  and sales of portfolio
securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market values of the underlying securities or currencies at the time the options
are  written.  From  time to  time,  a Fund  or  the Portfolio  may  purchase an
underlying security or currency for delivery in accordance with the exercise  of
an  option, rather than delivering such security or currency from its portfolio.
In such cases, additional costs will be incurred.
 
A Fund or the Portfolio  will realize a profit or  loss from a closing  purchase
transaction  if the cost of the transaction  is less or more, respectively, than
the premium received from  writing the option. Because  increases in the  market
price  of a call option generally will  reflect increases in the market price of
the underlying security or currency, any loss resulting from the repurchase of a
call option is likely to  be offset in whole or  in part by appreciation of  the
underlying security or currency owned by a Fund or the Portfolio.
 
WRITING PUT OPTIONS
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
write put options on securities, indices and currencies. A put option gives  the
purchaser  of  the  option  the  right to  sell,  and  the  writer  (seller) the
obligation to buy, the underlying security or currency at the exercise price  at
any  time until (American style) or on (European style) the expiration date. The
operation of put options  in other respects, including  their related risks  and
rewards, is substantially identical to that of call options.
 
   
A Fund or the Portfolio generally would write put options in circumstances where
the  Sub-adviser wishes to purchase the  underlying security or currency for the
Fund's or the  Portfolio's portfolio at  a price lower  than the current  market
price of
    
 
                   Statement of Additional Information Page 7
<PAGE>
                             GT GLOBAL INCOME FUNDS
the security or currency. In such event, the Fund or the Portfolio would write a
put  option at an  exercise price that,  reduced by the  premium received on the
option, reflects the lower  price it is  willing to pay. Since  the Fund or  the
Portfolio   also  would  receive  interest  on  debt  securities  or  currencies
maintained to cover the  exercise price of the  option, this technique could  be
used to enhance current return during periods of market uncertainty. The risk in
such  a transaction would be that the market price of the underlying security or
currency would decline below the exercise price less the premiums received.
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put  option will be exercised and  a Fund or the  Portfolio
will  be obligated  to purchase  the security  or currency  at greater  than its
market value.
 
PURCHASING PUT OPTIONS
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
purchase  put options on securities, indices and  currencies. As the holder of a
put option,  the  Government Income  Fund,  the  Strategic Income  Fund  or  the
Portfolio  would have the right  to sell the underlying  security or currency at
the exercise price at any time until (American style) or on (European style) the
expiration date. The Government  Income Fund, the Strategic  Income Fund or  the
Portfolio may enter into closing sale transactions with respect to such options,
exercise them or permit them to expire.
 
A  Fund or the Portfolio may purchase a  put option on an underlying security or
currency ("protective put")  owned by  the Fund or  the Portfolio  as a  hedging
technique in order to protect against an anticipated decline in the value of the
security  or currency. Such hedge protection is provided only during the life of
the put option when the Fund or the Portfolio, as the holder of the put  option,
is  able to sell the  underlying security or currency  at the put exercise price
regardless  of  any  decline  in  the  underlying  security's  market  price  or
currency's  exchange  value.  The  premium  paid  for  the  put  option  and any
transaction costs would reduce any  profit otherwise available for  distribution
when the security or currency eventually is sold.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio also may
purchase  put options at a time when that Fund or the Portfolio does not own the
underlying security or  currency. By  purchasing put  options on  a security  or
currency  it does  not own,  a Fund  or the  Portfolio seeks  to benefit  from a
decline in the market price of the  underlying security or currency. If the  put
option  is not sold when it has remaining  value, and if the market price of the
underlying security or currency  remains equal to or  greater than the  exercise
price during the life of the put option, the Fund or the Portfolio will lose its
entire  investment in the put option. In order  for the purchase of a put option
to be profitable, the market price  of the underlying security or currency  must
decline  sufficiently  below  the  exercise  price  to  cover  the  premium  and
transaction costs, unless the put option is sold in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Government  Income Fund,  the Strategic  Income Fund  or the  Portfolio  may
purchase  call options on securities, indices and currencies. As the holder of a
call option,  a Fund  or the  Portfolio would  have the  right to  purchase  the
underlying  security  or  currency  at  the exercise  price  at  any  time until
(American style)  or on  (European style)  the expiration  date. A  Fund or  the
Portfolio may enter into closing sale transactions with respect to such options,
exercise them or permit them to expire.
 
Call  options may  be purchased by  a Fund or  the Portfolio for  the purpose of
acquiring the underlying  security or  currency for its  portfolio. Utilized  in
this  fashion,  the  purchase of  call  options  would enable  the  Fund  or the
Portfolio to acquire the security or currency at the exercise price of the  call
option  plus the premium paid. At times,  the net cost of acquiring the security
or currency in this manner may be  less than the cost of acquiring the  security
or  currency  directly. This  technique  also may  be useful  to  a Fund  or the
Portfolio in purchasing a large block of securities that would be more difficult
to acquire by direct market purchases. So  long as it holds such a call  option,
rather  than the underlying security or currency itself, a Fund or the Portfolio
is partially protected from  any unexpected decline in  the market price of  the
underlying  security or currency and, in such event, could allow the call option
to expire, incurring  a loss  only to  the extent of  the premium  paid for  the
option.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio also may
purchase  call options on  underlying securities or currencies  it owns to avoid
realizing losses that would result in a reduction of a Fund's or the Portfolio's
current return. For example, where  a Fund or the  Portfolio has written a  call
option on an underlying security or currency having a current market value below
the  price at which  it purchased the  security or currency,  an increase in the
market price could result in the exercise of the call option written by the Fund
or the Portfolio and  the realization of  a loss on  the underlying security  or
currency. Accordingly, the Fund or the Portfolio could purchase a call option on
the  same underlying security  or currency, which could  be exercised to fulfill
the Fund's or the Portfolio's delivery obligations under
 
                   Statement of Additional Information Page 8
<PAGE>
                             GT GLOBAL INCOME FUNDS
its written call (if it is exercised). This strategy could allow the Fund or the
Portfolio to avoid selling the portfolio security or currency at a time when  it
has  an unrealized loss; however, the Fund or  the Portfolio would have to pay a
premium to purchase the call option plus transaction costs.
 
Aggregate premiums paid for put and call options will not exceed 5% of a  Fund's
or the Portfolio's total assets at the time of purchase.
 
The  Government  Income Fund,  the Strategic  Income Fund  or the  Portfolio may
attempt to  accomplish objectives  similar to  those involved  in using  Forward
Contracts  by purchasing put or call options on currencies. A put option gives a
Fund or the Portfolio as purchaser the right (but not the obligation) to sell  a
specified  amount of currency at the exercise  price at any time until (American
style) or on (European style) the expiration of the option. A call option  gives
a  Fund or  the Portfolio  as purchaser  the right  (but not  the obligation) to
purchase a specified amount of currency at the exercise price at any time  until
(American  style) or on (European style) the expiration of the option. A Fund or
the Portfolio might  purchase a  currency put  option, for  example, to  protect
itself  against a decline in the dollar value of a currency in which it holds or
anticipates holding securities. If the  currency's value should decline  against
the dollar, the loss in currency value should be offset, in whole or in part, by
an increase in the value of the put. If the value of the currency instead should
rise  against the dollar, any gain to the Fund or the Portfolio would be reduced
by the premium it had paid for the  put option. A currency call option might  be
purchased, for example, in anticipation of, or to protect against, a rise in the
value  against  the dollar  of a  currency in  which the  Fund or  the Portfolio
anticipates purchasing securities.
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates.  The Funds and the  Portfolio will not purchase  an OTC option unless the
Fund or  the Portfolio  believes  that daily  valuations  for such  options  are
readily  obtainable. OTC options differ from exchange-traded options in that OTC
options are  transacted  with  dealers  directly  and  not  through  a  clearing
corporation  (which guarantees  performance). Consequently,  there is  a risk of
non-performance by the dealer.  Since no exchange is  involved, OTC options  are
valued  on the basis of an average of the last bid prices obtained from dealers,
unless a quotation from only  one dealer is available,  in which case only  that
dealer's  price  will be  used. In  the case  of  OTC options,  there can  be no
assurance that a liquid secondary market will exist for any particular option at
any specific time.
 
The staff of the Securities and Exchange Commission ("SEC") considers  purchased
OTC options to be illiquid securities. A Fund or the Portfolio may also sell OTC
options  and, in connection therewith, segregate assets or cover its obligations
with respect to OTC  options written by  the Fund or  the Portfolio. The  assets
used  as  cover for  OTC options  written by  a  Fund or  the Portfolio  will be
considered illiquid unless  the OTC options  are sold to  qualified dealers  who
agree  that the Fund or the Portfolio may repurchase any OTC option it writes at
a maximum price to be calculated by a formula set forth in the option agreement.
The cover  for  an  OTC  option  written subject  to  this  procedure  would  be
considered  illiquid only to the extent  that the maximum repurchase price under
the formula exceeds the intrinsic value of the option.
 
A Fund's or  the Portfolio's  ability to establish  and close  out positions  in
exchange-listed  options depends on the existence  of a liquid market. Each Fund
and the  Portfolio  intends to  purchase  or write  only  those  exchange-traded
options  for which there appears to be a liquid secondary market. However, there
can be  no assurance  that such  a market  will exist  at any  particular  time.
Closing  transactions can be  made for OTC options  only by negotiating directly
with the contra party or  by a transaction in the  secondary market if any  such
market  exists. Although each Fund and the Portfolio will enter into OTC options
only with  contra parties  that are  expected  to be  capable of  entering  into
closing  transactions with the Fund or the Portfolio, there is no assurance that
the Fund or  the Portfolio  will in  fact be  able to  close out  an OTC  option
position at a favorable price prior to expiration. In the event of insolvency of
the  contra party, the Fund or the Portfolio might be unable to close out an OTC
option position at any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in  individual securities  or futures  contracts. When  a Fund  or the Portfolio
writes a call on an index, it receives  a premium and agrees that, prior to  the
expiration  date, the  purchaser of  the call, upon  exercise of  the call, will
receive from the Fund or the Portfolio an amount of cash if the closing level of
the index upon which the call is based is greater than the exercise price of the
call. The amount of cash is equal to the difference between the closing price of
the index and the  exercise price of  the call times  a specified multiple  (the
"multiplier"),  which determines the  total dollar value for  each point of such
difference. When a  Fund or the  Portfolio buys a  call on an  index, it pays  a
premium  and has the same rights as to such calls as are indicated above. When a
Fund or the
 
                   Statement of Additional Information Page 9
<PAGE>
                             GT GLOBAL INCOME FUNDS
Portfolio buys a put on an index, it pays a premium and has the right, prior  to
the  expiration date, to require  the seller of the put,  upon the Fund's or the
Portfolio's exercise of  the put, to  deliver to  the Fund or  the Portfolio  an
amount  of cash if the closing level of the index upon which the put is based is
less than the exercise price of the  put, which amount of cash is determined  by
the  multiplier, as  described above  for calls.  When a  Fund or  the Portfolio
writes a put on an index, it receives a premium and the purchaser has the right,
prior to the expiration date, to require the Fund or the Portfolio to deliver to
it an amount of cash  equal to the difference between  the closing level of  the
index  and the exercise price times the multiplier, if the closing level is less
than the exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities.  Because  index options  are settled  in  cash, when  a Fund  or the
Portfolio writes  a call  on  an index  it cannot  provide  in advance  for  its
potential  settlement  obligations  by  acquiring  and  holding  the  underlying
securities. A Fund or  the Portfolio can  offset some of the  risk of writing  a
call  index option  position by  holding a  diversified portfolio  of securities
similar to those on which the underlying index is based. However, a Fund or  the
Portfolio cannot, as a practical matter, acquire and hold a portfolio containing
exactly the same securities as underlie the index and, as a result, bears a risk
that the value of the securities held will vary from the value of the index.
 
Even  if a  Fund or  the Portfolio  could assemble  a securities  portfolio that
exactly reproduced the composition of the  underlying index, it still would  not
be fully covered from a risk standpoint because of the "timing risk" inherent in
writing  index options. When  an index option  is exercised, the  amount of cash
that the holder is entitled to  receive is determined by the difference  between
the  exercise price and the  closing index level on the  date when the option is
exercised. As with other  kinds of options,  the Fund or  the Portfolio, as  the
call writer, will not know that it has been assigned until the next business day
at the earliest. The time lag between exercise and notice of assignment poses no
risk for the writer of a covered call on a specific underlying security, such as
common stock, because there the writer's obligation is to deliver the underlying
security,  not to pay its value  as of a fixed time in  the past. So long as the
writer already  owns the  underlying  security, it  can satisfy  its  settlement
obligations  by  simply delivering  it, and  the  risk that  its value  may have
declined since the exercise date is borne by the exercising holder. In contrast,
even if the  writer of an  index call  holds securities that  exactly match  the
composition  of  the  underlying index,  it  will  not be  able  to  satisfy its
assignment obligations by  delivering those  securities against  payment of  the
exercise  price. Instead, it will be required to  pay cash in an amount based on
the closing index value on the exercise date; and by the time it learns that  it
has  been assigned, the index may have declined, with a corresponding decline in
the value  of  its securities  portfolio.  This  "timing risk"  is  an  inherent
limitation  on the ability of index call writers to cover their risk exposure by
holding securities positions.
 
If a Fund or the Portfolio purchases an index option and exercises it before the
closing index value for that day is  available, it runs the risk that the  level
of  the underlying index  may subsequently change.  If such a  change causes the
exercised option to  fall out-of-the-money, the  Fund or the  Portfolio will  be
required  to pay the difference between the closing index value and the exercise
price of the option (times the applicable multiplier) to the assigned writer.
 
INTEREST RATE AND CURRENCY FUTURES CONTRACTS
The Government Income Fund, the Strategic Income Fund or the Portfolio may enter
into interest rate or currency futures contracts, including futures contracts on
indices of  debt securities,  ("Futures"  or "Futures  Contracts"), as  a  hedge
against  changes in  prevailing levels  of interest  rates or  currency exchange
rates in order to establish more  definitely the effective return on  securities
or  currencies held or intended to be acquired by the Fund or the Portfolio. The
Government Income Fund, the Strategic  Income Fund's or the Portfolio's  hedging
may  include  sales of  Futures  as an  offset  against the  effect  of expected
increases in  interest  rates  or  decreases in  currency  exchange  rates,  and
purchases  of Futures as  an offset against  the effect of  expected declines in
interest rates or increases in currency exchange rates.
 
The Government Income Fund's, the Strategic  Income Fund and the Portfolio  only
will  enter into Futures Contracts which are traded on futures exchanges and are
standardized as to  maturity date and  underlying financial instrument.  Futures
exchanges  and  trading thereon  in the  United States  are regulated  under the
Commodity Exchange Act  by the  Commodity Futures  Trading Commission  ("CFTC").
Futures  are exchanged in  London at the  London International Financial Futures
Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to  reduce  a Fund's  or  the Portfolio's  exposure  to interest  rate  and
currency  exchange rate  fluctuations, a  Fund or the  Portfolio may  be able to
hedge exposure  more effectively  and  at a  lower  cost through  using  Futures
Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of  a specified amount  of a specific  financial instrument  (debt
security  or currency)  for a  specified price  at a  designated date,  time and
place. An index  Futures Contract  provides for  the delivery,  at a  designated
date,   time  and   place,  of   an  amount  of   cash  equal   to  a  specified
 
                  Statement of Additional Information Page 10
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                             GT GLOBAL INCOME FUNDS
dollar amount  times the  difference between  the index  value at  the close  of
trading  on  the  contract  and  the price  at  which  the  Futures  Contract is
originally struck; no physical delivery  of the securities comprising the  index
is  made. Brokerage fees are incurred when a Futures Contract is bought or sold,
and margin deposits  must be  maintained at all  times the  Futures Contract  is
outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  usually are closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively,   for  the  same  aggregate  amount  of  the  identical  financial
instrument or currency and  the same delivery date.  If the offsetting  purchase
price  is less  than the  original sale price,  the Government  Income Fund, the
Strategic Income Fund  or the  Portfolio realizes  a gain;  if it  is more,  the
Government  Income Fund, the  Strategic Income Fund or  the Portfolio realizes a
loss. Conversely,  if  the offsetting  sale  price  is more  than  the  original
purchase  price, the  Government Income Fund,  the Strategic Income  Fund or the
Portfolio realizes  a gain;  if it  is  less, the  Government Income  Fund,  the
Strategic  Income Fund or  the Portfolio realizes a  loss. The transaction costs
also must be included in these calculations. There can be no assurance, however,
that a  Fund  or  the  Portfolio  will be  able  to  enter  into  an  offsetting
transaction  with respect to a particular Futures Contract at a particular time.
If a Fund or the Portfolio is not able to enter into an offsetting  transaction,
the  Fund or the Portfolio  will continue to be  required to maintain the margin
deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from  the sale of one Futures Contract of September Deutschemarks on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of  another Futures  Contract of  September Deutschemarks  on the  same
exchange.  In  such instance,  the  difference between  the  price at  which the
Futures Contract was sold and the price paid for the offsetting purchase,  after
allowance for transaction costs, represents the profit or loss to the Government
Income Fund, the Strategic Income Fund or the Portfolio.
 
The  Government Income  Fund, the  Strategic Income  Fund's and  the Portfolio's
Futures transactions will be  entered into for hedging  purposes only; that  is,
Futures  Contracts will  be sold to  protect against  a decline in  the price of
securities or  currencies  that the  Fund  or  the Portfolio  owns,  or  Futures
Contracts  will be  purchased to  protect the Fund  or the  Portfolio against an
increase in the price of securities  or currencies it has committed to  purchase
or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by  the Government  Income  Fund, the  Strategic  Income Fund  or  the
Portfolio in order to initiate Futures trading and to maintain the Fund's or the
Portfolio's  open positions in Futures Contracts. A margin deposit made when the
Futures Contract is  entered into  ("initial margin")  is intended  to assure  a
Fund's  or the  Portfolio's performance under  the Futures  Contract. The margin
required for a particular Futures Contract is  set by the exchange on which  the
Futures  Contract is traded, and may be modified significantly from time to time
by the exchange during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through  which the Fund  or the Portfolio  entered into the
Futures Contract will be made  on a daily basis as  the price of the  underlying
security,  currency or index fluctuates making the Futures Contract more or less
valuable, a process known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in interest and currency rates, which in turn are affected by fiscal and
monetary policies and national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and  prices  of the  securities  or  currencies in  a  Fund's  or the
Portfolio's portfolio being  hedged. The degree  of imperfection of  correlation
depends  upon circumstances such as: variations in speculative market demand for
Futures and  for securities  or currencies,  including technical  influences  in
Futures  trading; and differences between the financial instruments being hedged
and the  instruments underlying  the standard  Futures Contracts  available  for
trading.  A  decision of  whether, when,  and  how to  hedge involves  skill and
judgment, and even  a well-conceived hedge  may be unsuccessful  to some  degree
because of unexpected market behavior or interest or currency rate trends.
 
Because  of  the  low  margin deposits  required,  Futures  trading  involves an
extremely high  degree  of leverage.  As  a  result, a  relatively  small  price
movement  in a Futures Contract may result in immediate and substantial loss, as
well as gain, to the investor. For example,  if at the time of purchase, 10%  of
the  value of  the Futures  Contract is  deposited as  margin, a  subsequent 10%
decrease in the value of  the Futures Contract would result  in a total loss  of
the  margin  deposit, before  any deduction  for the  transaction costs,  if the
account were then closed  out. A 15%  decrease would result in  a loss equal  to
150%  of the original margin  deposit, if the Futures  Contract were closed out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
                  Statement of Additional Information Page 11
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily limit establishes the maximum amount that the price of a Futures  Contract
or option may vary either up or down from the previous day's settlement price at
the  end  of a  trading session.  Once the  daily  limit has  been reached  in a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a particular trading day and therefore does not limit potential losses,  because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and  option  prices  occasionally have  moved  to  the daily  limit  for several
consecutive trading days with  little or no  trading, thereby preventing  prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If  a Fund  or the  Portfolio were unable  to liquidate  a Futures  or option on
Futures position  due  to  the absence  of  a  liquid secondary  market  or  the
imposition  of price limits, it could incur  substantial losses. The Fund or the
Portfolio would  continue to  be subject  to  market risk  with respect  to  the
position.  In addition, except in the case of purchased options, the Fund or the
Portfolio would continue to be required to make daily variation margin  payments
and  might be required  to maintain the  position being hedged  by the Future or
option or to maintain cash or securities in a segregated account.
 
Certain characteristics  of the  Futures  market might  increase the  risk  that
movements  in the prices  of Futures Contracts  or options on  Futures might not
correlate perfectly  with  movements in  the  prices of  the  investments  being
hedged.  For example,  all participants  in the  Futures and  options on Futures
markets are subject to  daily variation margin calls  and might be compelled  to
liquidate  Futures  or  options on  Futures  positions whose  prices  are moving
unfavorably to avoid being  subject to further  calls. These liquidations  could
increase  price  volatility  of the  instruments  and distort  the  normal price
relationship between the Futures  or options and  the investments being  hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous  than  margin requirements  in the  securities  markets, there  might be
increased  participation   by  speculators   in   the  Futures   markets.   This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage, "program trading"  and other  investment strategies  might result  in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options  on Futures Contracts are similar to options on securities or currencies
except that options on Futures Contracts give the purchaser the right, in return
for the  premium paid,  to  assume a  position in  a  Futures Contract  (a  long
position if the option is a call and a short position if the option is a put) at
a  specified exercise price  at any time  during the period  of the option. Upon
exercise of the option, the  delivery of the Futures  position by the writer  of
the  option to the holder  of the option will be  accompanied by delivery of the
accumulated balance in the writer's Futures margin account, which represents the
amount by which the market price  of the Futures Contract, at exercise,  exceeds
(in  the case of  a call) or  is less than (in  the case of  a put) the exercise
price of the option on  the Futures Contract. If an  option is exercised on  the
last trading day prior to the expiration date of the option, the settlement will
be  made entirely in cash equal to  the difference between the exercise price of
the option and  the closing level  of the securities,  currencies or index  upon
which  the  Futures Contract  is  based on  the  expiration date.  Purchasers of
options who fail to exercise their options  prior to the exercise date suffer  a
loss of the premium paid.
 
The  purchase of  call options  on Futures can  serve as  a long  hedge, and the
purchase of put  options on Futures  can serve  as a short  hedge. Writing  call
options  on Futures can serve as a  limited short hedge, and writing put options
on Futures can serve as a limited  long hedge, using a strategy similar to  that
used for writing options on securities, foreign currencies or indices.
 
If  a Fund or the Portfolio  writes an option on a  Futures Contract, it will be
required to  deposit  initial  and variation  margin  pursuant  to  requirements
similar  to those  applicable to Futures  Contracts. Premiums  received from the
writing of an option on  a Futures Contract are  included in the initial  margin
deposit.
 
A  Fund or the Portfolio may seek to  close out an option position by selling an
option covering the same Futures Contract and having the same exercise price and
expiration date.  The ability  to  establish and  close  out positions  on  such
options is subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
To the  extent that  a Fund  or  the Portfolio  enters into  Futures  Contracts,
options  on Futures  Contracts, and  options on  foreign currencies  traded on a
CFTC-regulated exchange, in each case other than for BONA FIDE hedging  purposes
(as  defined by the CFTC), the aggregate initial margin and premiums required to
establish  those  positions   (excluding  the  amount   by  which  options   are
"in-the-money") will not exceed 5% of the liquidation value of the Fund's or the
Portfolio's   portfolio,  after  taking  into  account  unrealized  profits  and
unrealized losses on any contracts the  Fund or the Portfolio has entered  into.
In  general, a call option on a  Futures Contract is "in-the-money" if the value
of the underlying Futures
 
                  Statement of Additional Information Page 12
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
Contract exceeds the strike, I.E., exercise, price of the call; a put option  on
a  Futures Contract  is "in-the-money"  if the  value of  the underlying Futures
Contract is exceeded  by the  strike price  of the  put. This  guideline may  be
modified  by the Company's or the  Portfolio's Board of Trustees, as applicable,
without a shareholder vote. This limitation does not limit the percentage of the
Fund's or the Portfolio's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A Forward Contract is an obligation,  generally arranged with a commercial  bank
or  other  currency  dealer, to  purchase  or  sell a  currency  against another
currency at  a  future  date and  price  as  agreed upon  by  the  parties.  The
Government  Income Fund, the Strategic Income  Fund and the Portfolio either may
accept or make delivery of the currency at the maturity of the Forward Contract.
A Fund or the Portfolio may also, if its contra party agrees, prior to maturity,
enter into a closing transaction involving the purchase or sale of an offsetting
contract.
 
A Fund or the Portfolio engages in forward currency transactions in anticipation
of, or to protect itself against, fluctuations in exchange rates. A Fund or  the
Portfolio might sell a particular foreign currency forward, for example, when it
holds  bonds denominated in a foreign currency  but anticipates, and seeks to be
protected against, a decline in the currency against the U.S. dollar. Similarly,
a Fund or the Portfolio might sell  the U.S. dollar forward when it holds  bonds
denominated  in U.S. dollars but anticipates, and seeks to be protected against,
a decline in the U.S. dollar relative to other currencies. Further, the Funds or
the Portfolio  might purchase  a currency  forward  to "lock  in" the  price  of
securities denominated in that currency that it anticipates purchasing.
 
   
Forward  Contracts are traded in the interbank market conducted directly between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any stage for trades. The Government  Income Fund, the Strategic Income Fund  or
the  Portfolio will enter into such Forward Contracts with major U.S. or foreign
banks and securities or currency dealers in accordance with guidelines  approved
by the Company's or the Portfolio's Board of Trustees, as applicable.
    
 
The Government Income Fund, the Strategic Income Fund or the Portfolio may enter
into  Forward Contracts  either with  respect to  specific transactions  or with
respect to the  overall investment  of the Fund  or the  Portfolio. The  precise
matching  of the Forward  Contract amounts and the  value of specific securities
generally will not be  possible because the future  value of such securities  in
foreign currencies will change as a consequence of market movements in the value
of  those securities between the  date the Forward Contract  is entered into and
the date  it matures.  Accordingly, it  may be  necessary for  the Fund  or  the
Portfolio  to  purchase additional  foreign currency  on  the spot  (I.E., cash)
market (and  bear the  expense of  such purchase)  if the  market value  of  the
security  is less than the amount of  foreign currency the Fund or the Portfolio
is obligated to deliver and if a decision is made to sell the security and  make
delivery of the foreign currency. Conversely, it may be necessary to sell on the
spot  market some of the foreign currency the Fund or the Portfolio is obligated
to deliver. The projection of short-term currency market movements is  extremely
difficult,  and the  successful execution  of a  short-term hedging  strategy is
highly uncertain. Forward Contracts involve  the risk that anticipated  currency
movements will not be predicted accurately, causing the Fund or the Portfolio to
sustain losses on these contracts and transaction costs.
 
At  or  before the  maturity of  a Forward  Contract requiring  the Fund  or the
Portfolio to  sell a  currency, the  Fund or  the Portfolio  either may  sell  a
portfolio security and use the sale proceeds to make delivery of the currency or
retain  the  security  and  offset its  contractual  obligation  to  deliver the
currency by  purchasing a  second contract  pursuant to  which the  Fund or  the
Portfolio  will  obtain, on  the  same maturity  date,  the same  amount  of the
currency that it is obligated to  deliver. Similarly, the Fund or the  Portfolio
may  close out a Forward Contract requiring  it to purchase a specified currency
by entering into a second contract, if its contra party agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund or the Portfolio would realize a gain or loss as a result  of
entering  into such an offsetting Forward  Contract under either circumstance to
the extent the  exchange rate  or rates  between the  currencies involved  moved
between the execution dates of the first contract and the offsetting contract.
 
The cost to a Fund or the Portfolio of engaging in Forward Contracts varies with
factors  such as the currencies involved, the  length of the contract period and
the market conditions  then prevailing.  Because Forward  Contracts usually  are
entered  into on a principal basis, no fees or commissions are involved. The use
of Forward  Contracts does  not  eliminate fluctuations  in  the prices  of  the
underlying  securities the Fund or the Portfolio owns or intends to acquire, but
it does establish  a rate  of exchange in  advance. In  addition, while  Forward
Contracts  limit the risk  of loss due to  a decline in the  value of the hedged
currencies, they also  limit any  potential gain  that might  result should  the
value of the currencies increase.
 
                  Statement of Additional Information Page 13
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
A  Fund  or the  Portfolio may  use  options on  foreign currencies,  Futures on
foreign currencies,  options  on  Futures  on  foreign  currencies  and  Forward
Contracts  to hedge against movements in the values of the foreign currencies in
which the Fund's or  the Portfolio's securities  are denominated. Such  currency
hedges  can protect  against price movements  in a  security that a  Fund or the
Portfolio owns or  intends to acquire  that are attributable  to changes in  the
value  of the currency in which it  is denominated. Such hedges do not, however,
protect against price movements in the securities that are attributable to other
causes.
 
   
A Fund or the Portfolio  might seek to hedge against  changes in the value of  a
particular  currency  when  no  Futures  Contract,  Forward  Contract  or option
involving that currency is available or one of such contracts is more  expensive
than certain other contracts. In such cases, the Fund or the Portfolio may hedge
against  price movements in that currency by entering into a contract on another
currency or basket of currencies, the  values of which the Sub-adviser  believes
will  have a positive correlation to the value of the currency being hedged. The
risk that movements in  the price of the  contract will not correlate  perfectly
with  movements in the price of the currency being hedged is magnified when this
strategy is used.
    
 
The value of Futures Contracts, options on Futures Contracts, Forward  Contracts
and  options  on  foreign currencies  depends  on  the value  of  the underlying
currency relative  to the  U.S. dollar.  Because foreign  currency  transactions
occurring  in the  interbank market  might involve  substantially larger amounts
than those  involved in  the  use of  Futures  Contracts, Forward  Contracts  or
options,  a Fund or the  Portfolio could be disadvantaged  by dealing in the odd
lot market (generally consisting  of transactions of less  than $1 million)  for
the  underlying foreign  currencies at prices  that are less  favorable than for
round lots.
 
There is no systematic reporting of last sale information for foreign currencies
or any  regulatory requirements  that quotations  available through  dealers  or
other market sources be firm or revised on a timely basis. Quotation information
generally  is representative of very large  transactions in the interbank market
and thus  might not  reflect  odd-lot transactions  where  rates might  be  less
favorable.   The   interbank  market   in  foreign   currencies  is   a  global,
round-the-clock market. To the  extent the U.S. options  or Futures markets  are
closed  while the markets for the underlying currencies remain open, significant
price and rate movements might take place in the underlying markets that  cannot
be  reflected in  the markets  for the Futures  contracts or  options until they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies might  be required  to  take place  within  the country  issuing  the
underlying  currency. Thus, a Fund or the  Portfolio might be required to accept
or make delivery of the underlying foreign currency in accordance with any  U.S.
or foreign regulations regarding the maintenance of foreign banking arrangements
by  U.S. residents  and might  be required  to pay  any fees,  taxes and charges
associated with such delivery assessed in the issuing country.
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased by a Fund or the  Portfolio) expose the Fund or the Portfolio
to an obligation to another party. A  Fund or the Portfolio will not enter  into
any  such  transactions unless  it owns  either (1)  an offsetting  ("covered ")
position in  securities,  currencies, or  other  options, Forward  Contracts  or
Futures  Contracts, or (2) cash, receivables and short-term debt securities with
a value sufficient at all times  to cover its potential obligations not  covered
as  provided in  (1) above.  Each Fund  and the  Portfolio will  comply with SEC
guidelines regarding  cover for  these  instruments and,  if the  guidelines  so
require, set aside cash or liquid securities.
 
Assets  used as cover or  held in a segregated account  cannot be sold while the
position in the corresponding  Forward Contract, Futures  Contract or option  is
open, unless they are replaced with other appropriate assets. If a large portion
of a Fund's or the Portfolio's assets are used for cover or segregated accounts,
it could affect portfolio management or the Fund's or the Portfolio's ability to
meet redemption requests or other current obligations.
 
INTEREST RATE AND CURRENCY SWAPS
   
The  Strategic Income  Fund and the  Portfolio usually will  enter into interest
rate swaps on a net basis, that is, the two payment streams are netted out in  a
cash  settlement on the payment date or  dates specified in the instrument, with
the Strategic Income Fund or the Portfolio receiving or paying, as the case  may
be,  only the net amount of  the two payments. The net  amount of the excess, if
any, of each of the Strategic Income Fund's and the Portfolio's obligations over
its entitlements with respect to each swap will be accrued on a daily basis  and
an  amount of cash or  liquid securities having an  aggregate net asset value at
least equal  to  the accrued  excess  will be  maintained  in an  account  by  a
custodian  that satisfies the requirements of the 1940 Act. The Strategic Income
Fund and the Portfolio will also establish and maintain such segregated accounts
with respect to its total obligations under any swaps that are not entered  into
on  a net basis and with respect to any  caps or floors that are written by that
Fund  or  the  Portfolio.  The  Sub-adviser,  the  Strategic  Income  Fund   and
    
 
                  Statement of Additional Information Page 14
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
the  Portfolio  believe that  swaps, caps  and floors  do not  constitute senior
securities under the  1940 Act and,  accordingly, will not  treat them as  being
subject  to the Fund's and the Portfolio's borrowing restrictions. The Strategic
Income Fund and the Portfolio will not  enter into any swap, cap, floor,  collar
or  other  derivative  transaction unless,  at  the  time of  entering  into the
transaction, the unsecured  long-term debt rating  of the counterparty  combined
with  any credit enhancements is rated at  least A by Moody's Investors Service,
Inc. ("Moody's")  or  Standard  &  Poor's  Ratings  Group  ("S&P"),  or  has  an
equivalent  rating from a nationally  recognized statistical rating organization
or is determined to  be of equivalent  credit quality by  the Sub-adviser. If  a
counterparty  defaults,  the Strategic  Income Fund  or  the Portfolio  may have
contractual remedies pursuant to the agreements related to the transactions. The
swap market has  grown substantially  in recent years,  with a  large number  of
banks  and  investment banking  firms acting  both as  principals and  as agents
utilizing standardized  swap documentation.  As a  result, the  swap market  has
become  relatively liquid. Caps, floors and  collars are more recent innovations
for which standardized documentation has not  yet been fully developed and,  for
that reason, they are less liquid than swaps.
    
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
   
The Government Income Fund, the Strategic Income Fund and the Portfolio each may
invest  up  to 15%  of  net assets  in  illiquid securities.  Securities  may be
considered illiquid if a Fund or  the Portfolio cannot reasonably expect  within
seven  days  to  receive approximately  the  amount  at which  the  Fund  or the
Portfolio values such securities. The sale  of illiquid securities, if they  can
be  sold at all, generally will require more time and result in higher brokerage
charges or dealer  discounts and other  selling expenses than  will the sale  of
liquid  securities, such as  securities eligible for  trading on U.S. securities
exchanges or in the  over-the-counter markets. Moreover, restricted  securities,
which may be illiquid for purposes of this limitation, often sell, if at all, at
a  price lower than similar  securities that are not  subject to restrictions on
resale.
    
 
Illiquid securities include those that are subject to restrictions contained  in
the  securities laws  of other  countries. However,  securities that  are freely
marketable in the country  where they are principally  traded, but would not  be
freely  marketable in the United States,  will not be considered illiquid. Where
registration is required, each  Fund and the Portfolio  may be obligated to  pay
all  or part of the  registration expenses and a  considerable period may elapse
between the time of the  decision to sell and the  time a Fund or the  Portfolio
may  be permitted to sell a  security under an effective registration statement.
If, during such a period, adverse market  conditions were to develop, a Fund  or
the Portfolio might obtain a less favorable price than prevailed when it decided
to sell.
 
Not   all  restricted  securities   are  illiquid.  In   recent  years  a  large
institutional  market  has  developed  for  certain  securities  that  are   not
registered  under the Securities Act of 1933, as amended ("1933 Act"), including
private placements, repurchase agreements, commercial paper, foreign  securities
and corporate bonds and notes. These instruments are often restricted securities
because  the  securities are  sold in  transactions not  requiring registration.
Institutional investors generally will not seek to sell these instruments to the
general  public,  but  instead  will   often  depend  either  on  an   efficient
institutional market in which such unregistered securities can be readily resold
or  on an issuer's ability to honor  a demand for repayment. Therefore, the fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule 144A under the 1933 Act  establishes a "safe harbor" from the  registration
requirements  of the  1933 Act  for resales  of certain  securities to qualified
institutional buyers.  Institutional  markets  for  restricted  securities  have
developed  as a result of Rule 144A, providing both readily ascertainable values
for restricted securities and the ability to liquidate an investment to  satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance  and  settlement of  unregistered securities  of domestic  and foreign
issuers, such as  the PORTAL  System sponsored  by the  National Association  of
Securities  Dealers,  Inc.  An insufficient  number  of  qualified institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
a Fund or the  Portfolio, however, could affect  adversely the marketability  of
such portfolio securities and a Fund or the Portfolio might be unable to dispose
of such securities promptly or at favorable prices.
 
                  Statement of Additional Information Page 15
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
With  respect  to liquidity  determinations  generally, the  Company's  Board of
Directors has  the  ultimate  responsibility for  determining  whether  specific
securities,  including restricted  securities eligible  for resale  to qualified
institutional buyers pursuant  to Rule 144A  under the 1933  Act, are liquid  or
illiquid.   The  Board   has  delegated   the  function   of  making  day-to-day
determinations of liquidity  to the  Sub-adviser in  accordance with  procedures
approved by the Board. The Sub-adviser takes into account a number of factors in
reaching  liquidity decisions,  including: (i) the  frequency of  trading in the
security; (ii) the number  of dealers that make  quotes for the security;  (iii)
the  number of dealers  that have undertaken  to make a  market in the security;
(iv) the  number  of other  potential  purchasers; and  (v)  the nature  of  the
security  and  how  trading is  effected  (e.g.,  the time  needed  to  sell the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser  will monitor the liquidity of securities  held by each Fund and the
Portfolio and report periodically  on such decisions to  the Board of  Trustees.
Moreover,  as noted in the Prospectus, certain securities, such as those subject
to registration restrictions of more than seven days, will generally be  treated
as  illiquid.  If the  liquidity  percentage restriction  of  each Fund  and the
Portfolio is  satisfied at  the time  of  investment, a  later increase  in  the
percentage  of illiquid securities held by each Fund and the Portfolio resulting
from a change in market value or assets will not constitute a violation of  that
restriction.  If  as  a  result of  a  change  in market  value  or  assets, the
percentage of illiquid  securities held  by a  Fund or  the Portfolio  increases
above the applicable limit, the Sub-adviser will take appropriate steps to bring
the  aggregate amount of illiquid assets  back within the prescribed limitations
as soon  as  reasonably practicable,  taking  into  account the  effect  of  any
disposition on the Fund or Portfolio.
    
 
FOREIGN SECURITIES
    POLITICAL,  SOCIAL AND ECONOMIC  RISKS. Investing in  securities of non-U.S.
companies may entail additional risks due to the potential political, social and
economic instability  of  certain  countries and  the  risks  of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility of currencies into  U.S. dollars and on  repatriation
of  capital invested.  In the  event of  such expropriation,  nationalization or
other confiscation by any country, either a Fund or the Portfolio could lose its
entire investment in any such country.
 
    RELIGIOUS, POLITICAL AND  ETHNIC INSTABILITY. Certain  countries in which  a
Fund or the Portfolio may invest may have groups that advocate radical religious
or revolutionary philosophies or support ethnic independence. Any disturbance on
the   part  of  such  individuals  could  carry  the  potential  for  widespread
destruction or  confiscation  of  property owned  by  individuals  and  entities
foreign  to such country and could cause the loss of a Fund's or the Portfolio's
investment in those  countries. Instability  may also result  from, among  other
things:  (i) authoritarian governments or  military involvement in political and
economic   decision-making,    including   changes    in   government    through
extra-constitutional  means;  (ii) popular  unrest  associated with  demands for
improved political, economic and social conditions; and (iii) hostile  relations
with  neighboring  or  other  countries.  Such  political,  social  and economic
instability could disrupt the principal financial markets in which a Fund or the
Portfolio  invests  and  adversely  affect  the  value  of  the  Fund's  or  the
Portfolio's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial restrictions on investments  in their capital markets,  particularly
their  equity markets, by  foreign entities such as  the Government Income Fund,
the Strategic Income Fund or the  Portfolio. These restrictions or controls  may
at times limit or preclude investment in certain securities and may increase the
cost  and expenses of  a Fund or  the Portfolio. For  example, certain countries
require prior governmental approval before investments by foreign persons may be
made, or may limit the amount of  investment by foreign persons in a  particular
company, or may limit the investment by foreign persons to only a specific class
of securities of a company that may have less advantageous terms than securities
of  the  company available  for purchase  by  nationals. Moreover,  the national
policies of certain countries may  restrict investment opportunities in  issuers
or  industries  deemed  sensitive  to  national  interests.  In  addition,  some
countries require  governmental  approval  for the  repatriation  of  investment
income,  capital or  the proceeds of  securities sales by  foreign investors. In
addition, if there is a deterioration in a country's balance of payments or  for
other  reasons, a country may impose restrictions on foreign capital remittances
abroad. The Government Income Fund, the  Strategic Income Fund or the  Portfolio
could  be adversely affected by  delays in, or a  refusal to grant, any required
governmental approval for repatriation, as well  as by the application to it  of
other restrictions on investments.
 
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting  principles. Most  of  the foreign  securities held  by  the
Government  Income Fund, the Strategic Income Fund  or the Portfolio will not be
registered with  the SEC  or regulators  of any  foreign country,  nor will  the
issuers thereof be subject to the SEC's reporting requirements. Thus, there will
be less
 
                  Statement of Additional Information Page 16
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
available  information concerning most foreign issuers of securities held by the
Government Income Fund,  the Strategic  Income Fund  and the  Portfolio than  is
available  concerning U.S. issuers. In  instances where the financial statements
of an issuer are not deemed to reflect accurately the financial situation of the
issuer, the Sub-adviser  will take  appropriate steps to  evaluate the  proposed
investment,  which may include on-site inspection of the issuer, interviews with
its  management   and  consultations   with  accountants,   bankers  and   other
specialists.  There is  substantially less publicly  available information about
foreign companies  than  there are  reports  and ratings  published  about  U.S.
companies  and the  U.S. Government.  In addition,  where public  information is
available, it may be less reliable than such information regarding U.S. issuers.
Issuers of securities in foreign jurisdictions are generally not subject to  the
same  degree of regulation as  are U.S. issuers with  respect to such matters as
restrictions on market  manipulation, insider trading  rules, shareholder  proxy
requirements and timely disclosure of information.
    
 
    CURRENCY  FLUCTUATIONS. Because  the Funds  and the  Portfolio, under normal
circumstances, will invest  substantial portions  of their total  assets in  the
securities  of foreign issuers which are  denominated in foreign currencies, the
strength or weakness  of the U.S.  dollar against such  foreign currencies  will
account  for part of  each Fund's and the  Portfolio's investment performance. A
decline in the  value of any  particular currency against  the U.S. dollar  will
cause  a decline  in the U.S.  dollar value  of each Fund's  and the Portfolio's
holdings of securities  and cash  denominated in such  currency and,  therefore,
will  cause an overall decline in their  respective net asset values and any net
investment  income  and  capital  gains  derived  from  such  securities  to  be
distributed in U.S. dollars to shareholders of the Funds. Moreover, if the value
of  the foreign currencies in which a  Fund or the Portfolio receives its income
declines relative to the U.S. dollar between  the receipt of the income and  the
making  of Fund  distributions, the  Fund or  the Portfolio  may be  required to
liquidate securities in order to make distributions if the Fund or the Portfolio
has insufficient cash in U.S. dollars to meet distribution requirements.
 
The rate of exchange between the U.S. dollar and other currencies is  determined
by  several factors including  the supply and  demand for particular currencies,
central bank efforts to support particular currencies, the relative movement  of
interest  rates and  pace of  business activity in  the other  countries and the
United States, and other economic  and financial conditions affecting the  world
economy.
 
Although  the Funds and the Portfolio value  their assets daily in terms of U.S.
dollars, they do not intend to convert holdings of foreign currencies into  U.S.
dollars  on a daily basis. The  Funds and the Portfolio will  do so from time to
time, and  investors  should be  aware  of  the costs  of  currency  conversion.
Although  foreign exchange dealers do  not charge a fee  for conversion, they do
realize a profit based on the difference ("spread") between the prices at  which
they are buying and selling various currencies. Thus, a dealer may offer to sell
a  foreign currency  to a  Fund at  one rate,  while offering  a lesser  rate of
exchange should the Fund desire to sell that currency to the dealer.
 
   
    ADVERSE MARKET CHARACTERISTICS.  Securities of many  foreign issuers may  be
less  liquid and their  prices more volatile than  securities of comparable U.S.
issuers. In  addition,  foreign securities  markets  and brokers  generally  are
subject  to less governmental  supervision and regulation than  in the U.S., and
foreign securities transactions usually are subject to fixed commissions,  which
generally  are  higher  than  negotiated commissions  on  U.S.  transactions. In
addition,  foreign  securities  transactions  may  be  subject  to  difficulties
associated  with the settlement of such transactions. Delays in settlement could
result in  temporary  periods  when  assets  of a  Fund  or  the  Portfolio  are
uninvested  and no  return is  earned thereon.  The inability  of a  Fund or the
Portfolio to make intended security  purchases due to settlement problems  could
cause  it to miss attractive opportunities.  Inability to dispose of a portfolio
security due to settlement problems either could  result in losses to a Fund  or
the  Portfolio due to subsequent declines in value of the portfolio security or,
if the Fund or the Portfolio has  entered into a contract to sell the  security,
could  result  in  possible liability  to  the purchaser.  The  Sub-adviser will
consider such difficulties when determining the allocation of each Fund's or the
Portfolio's  assets,  although  the  Sub-adviser  does  not  believe  that  such
difficulties  will  have  a  material  adverse  effect  on  the  Funds'  or  the
Portfolio's portfolio trading activities.
    
 
The Funds and the Portfolio may use foreign custodians, which may involve  risks
in  addition to those related to the  use of U.S. custodians. Such risks include
uncertainties  relating  to:  (i)  determining  and  monitoring  the   financial
strength,  reputation and  standing of  the foreign  custodian; (ii) maintaining
appropriate safeguards to  protect the Funds'  and the Portfolio's  investments;
and  (iii) possible  difficulties in  obtaining and  enforcing judgments against
such custodians.
 
    WITHHOLDING TAXES. Each  Fund's and  the Portfolio's  net investment  income
from foreign issuers may be subject to withholding taxes by the foreign issuer's
country,  thereby reducing the Fund's and  the Portfolio's net investment income
or delaying  the receipt  of income  where those  taxes may  be recaptured.  See
"Taxes."
 
                  Statement of Additional Information Page 17
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
    CONCENTRATION. To the extent a Theme Portfolio invests a significant portion
of its assets in securities of issuers located in a particular country or region
of  the world, such Portfolio may be subject to greater risks and may experience
greater volatility than a fund that is more broadly diversified geographically.
 
   
    SPECIAL CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The  countries
that  are members of the European Economic Community ("Common Market") (Belgium,
Denmark, France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg,  Netherlands,
Portugal,  Spain, and the United Kingdom)  eliminated certain import tariffs and
quotas and  other trade  barriers with  respect  to one  another over  the  past
several  years. The Sub-adviser  believes that this  deregulation should improve
the prospects  for economic  growth in  many Western  European countries.  Among
other  things, the deregulation could enable  companies domiciled in one country
to avail  themselves  of lower  labor  costs  existing in  other  countries.  In
addition,  this deregulation could benefit companies domiciled in one country by
opening additional  markets for  their goods  and services  in other  countries.
Since,  however, it is not  clear what the exact form  or effect of these Common
Market reforms  will be  on business  in  Western Europe,  it is  impossible  to
predict  the long-term  impact of  the implementation  of these  programs on the
securities owned by a Fund.
    
 
    SPECIAL CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN  COUNTRIES.
Investing  in Russia  and Eastern European  countries involves a  high degree of
risk and special considerations not  typically associated with investing in  the
United  States securities markets, and  should be considered highly speculative.
Such risks include: (1)  delays in settling portfolio  transactions and risk  of
loss  arising out of the system of  share registration and custody; (2) the risk
that it may be impossible  or more difficult than  in other countries to  obtain
and/or  enforce a  judgement; (3) pervasiveness  of corruption and  crime in the
economic system; (4) currency exchange rate volatility and the lack of available
currency hedging instruments; (5) higher rates of inflation (including the  risk
of   social  unrest  associated  with   periods  of  hyper-inflation)  and  high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign investors and limitations on  repatriation of invested capital,  profits
and  dividends, and on  a fund's ability  to exchange local  currencies for U.S.
dollars; (7) political instability and social unrest and violence; (8) the  risk
that  the governments of Russia and Eastern European countries may decide not to
continue to support the economic reform programs implemented recently and  could
follow  radically different political and/or  economic policies to the detriment
of investors,  including non-market-oriented  policies such  as the  support  of
certain  industries at the expense of other sectors or investors, or a return to
the centrally planned economy that existed  when such countries had a  communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of  international trade; (11)  the risk that  the tax system  in these countries
will not  be reformed  to prevent  inconsistent, retroactive  and/or  exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly  since 1990. The general government position has deteriorated as a
result of weakening economic  growth and stimulative  measures taken to  support
economic  activity and to  restore financial stability.  Although the decline in
interest  rates  and  fiscal  stimulation   packages  have  helped  to   contain
recessionary  forces, uncertainties remain. Japan is also heavily dependent upon
international trade, so its  economy is especially  sensitive to trade  barriers
and  disputes.  Japan has  had difficult  relations  with its  trading partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible that  trade sanctions  and other  protectionist measures  could  impact
Japan adversely in both the short and the long term.
 
The  common  stocks  of many  Japanese  companies trade  at  high price-earnings
ratios. Differences  in accounting  methods  make it  difficult to  compare  the
earnings  of  Japanese companies  with those  of  companies in  other countries,
especially in the  U.S. In  general, however, reported  net income  in Japan  is
understated  relative to  U.S. accounting standards  and this is  one reason why
price-earnings  ratios  of  the  stocks   of  Japanese  companies  have   tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally  been lower than  in the  U.S., both of
which factors tend to result in  lower discount rates and higher  price-earnings
ratios in Japan than in the U.S.
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
Jurisdictional disputes also
 
                  Statement of Additional Information Page 18
<PAGE>
                             GT GLOBAL INCOME FUNDS
exist  between South Korea and North Korea. In addition, the Funds may invest in
Hong Kong, which reverted to Chinese Administration on July 1, 1997. Investments
in Hong  Kong may  be  subject to  expropriation, national,  nationalization  or
confiscation,  in which  case a  Fund could lose  its entire  investment in Hong
Kong. In addition, the reversion of Hong Kong also presents a risk that the Hong
Kong dollar will be devalued and a risk of possible loss of investor  confidence
in Hong Kong's currency, stock market and assets.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American countries have experienced substantial,  and in some periods  extremely
high,  rates of  inflation for many  years. Inflation and  rapid fluctuations in
inflation rates have had and may continue  to have very negative effects on  the
economies  and securities markets  of certain Latin  American countries. Certain
Latin American countries are also among the largest debtors to commercial  banks
and foreign governments. At times certain Latin American countries have declared
moratoria  on  the payment  of principal  and/or interest  on external  debt. In
addition, certain  Latin  American  securities  markets  have  experienced  high
volatility in recent years.
 
Latin  American countries may  also close certain sectors  of their economies to
equity investments  by foreigners.  Further  due to  the absence  of  securities
markets  and  publicly  owned corporations  and  due to  restrictions  on direct
investment by foreign entities,  investments may only be  made in certain  Latin
American   countries  solely   or  primarily   through  governmentally  approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at artificial levels to the U.S. dollar rather than at levels determined by  the
market.  This type  of system can  lead to  sudden and large  adjustments in the
currency which, in turn,  can have a disruptive  and negative effect on  foreign
investors.  For example, in late  1994, the value of  the Mexican peso lost more
than one-third of its value relative to the U.S. dollar.
 
    SPECIAL CONSIDERATIONS AFFECTING EMERGING MARKETS. The Strategic Income Fund
and the Portfolio may invest in  debt securities in emerging markets.  Investing
in  securities in emerging countries may  entail greater risks than investing in
debt securities in  developed countries.  These risks include  (i) less  social,
political and economic stability; (ii) the small current size of the markets for
such  securities and the  currently low or nonexistent  volume of trading, which
result in a  lack of liquidity  and in greater  price volatility; (iii)  certain
national  policies  which  may  restrict the  Strategic  Income  Fund's  and the
Portfolio's investment opportunities,  including restrictions  on investment  in
issuers  or  industries deemed  sensitive  to national  interests;  (iv) foreign
taxation; and  (v) the  absence  of developed  structures governing  private  or
foreign  investment  or  allowing for  judicial  redress for  injury  to private
property.
 
Settlement mechanisms in emerging securities  markets may be less efficient  and
reliable  than in  more developed markets.  In such  emerging securities markets
there may be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and  may  continue to  have  negative effects  on  the economies  and securities
markets of certain emerging market countries.
 
                  Statement of Additional Information Page 19
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
Each Fund and the Portfolio has adopted the following investment limitations  as
fundamental policies which may not be changed without approval by the holders of
the lesser of (i) 67% of that Fund's shares or the total beneficial interests of
the Portfolio represented at a meeting at which more than 50% of the outstanding
shares  of  the Fund  or the  total  beneficial interests  of the  Portfolio are
represented, or (ii) more than 50% of the outstanding shares of the Fund or  the
total  beneficial interests of  the Portfolio. Whenever the  High Income Fund is
requested to vote on  a change in the  investment limitations of the  Portfolio,
the  Fund will  hold a meeting  of its shareholders  and will cast  its votes as
instructed by its shareholders.
 
                             GOVERNMENT INCOME FUND
 
The Government Income Fund may not:
 
   
        (1) Purchase any security if, as a result of that purchase, 25% or  more
    of the Fund's total assets would be invested in securities of issuers having
    their  principal business activities in the  same industry, except that this
    limitation does not  apply to securities  issued or guaranteed  by the  U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2)  Purchase or sell real estate, except that investments in securities
    of issuers  that invest  in real  estate and  investments in  mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Fund may exercise rights  under agreements relating to such  securities,
    including  the right to  enforce security interests and  to hold real estate
    acquired by  reason  of such  enforcement  until  that real  estate  can  be
    liquidated in an orderly manner;
    
 
   
        (3)  Engage in the business of underwriting securities of other issuers,
    except to the extent that the Fund might be considered an underwriter  under
    the  federal securities laws in connection with its disposition of portfolio
    securities;
    
 
   
        (4) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act and then not  in excess of 33 1/3%  of the Fund's total assets
    (including  the  amount  borrowed  but   reduced  by  any  liabilities   not
    constituting  borrowings) at the time of the borrowing, except that the Fund
    may borrow up to  an additional 5%  of its total  assets (not including  the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6)  Purchase or sell  physical commodities, but  the Fund may purchase,
    sell or enter into financial options and futures, forward and spot  currency
    contracts,  swap transactions  and other  financial contracts  or derivative
    instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
    
 
   
For purposes  of the  Fund's concentration  policy contained  in limitation  (1)
above,  the Fund intends to comply with  the SEC staff positions that securities
issued or  guaranteed  as  to  principal and  interest  by  any  single  foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
    
 
   
The  following  investment  policies  of  the  Government  Income  Fund  are not
fundamental policies  and may  be changed  by  vote of  the Company's  Board  of
Trustees without shareholder approval. The Fund may not:
    
 
   
        (1)  Borrow  money to  purchase securities  or  borrow money  except for
    temporary or emergency purposes.  While borrowings exceed  5% of the  Fund's
    total assets, the Fund will not make any additional investments;
    
 
   
        (2)  Invest in securities of an issuer if the investment would cause the
    Fund to own more than 10% of any class of securities of any one issuer;
    
 
                  Statement of Additional Information Page 20
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
        (3) Purchase securities  on margin,  provided that the  Fund may  obtain
    short-term  credits as may  be necessary for the  clearance of purchases and
    sales of securities,  and further  provided that  the Fund  may make  margin
    deposits  in  connection  with its  use  of financial  options  and futures,
    forward and spot currency contracts,  swap transactions and other  financial
    contracts or derivative instruments;
    
 
   
        (4) Enter into a futures contract, if, as a result thereof, more than 5%
    of  the Fund's total assets  (taken at market value  at the time of entering
    into the contract) would be committed to margin on such futures contracts;
    
 
   
        (5) Purchase securities for which there is no readily available  market,
    or  enter into repurchase  agreements or purchase  time deposits maturing in
    more than seven days, or  purchase OTC options or  hold assets set aside  to
    cover OTC options written by the Fund, if immediately after and as a result,
    the  value of  such securities  would exceed, in  the aggregate,  15% of the
    Fund's net assets; or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
   
                             STRATEGIC INCOME FUND
    
 
   
The Strategic Income Fund may not:
    
 
   
        (1)  Purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in  real estate  and investments  in mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Fund may exercise rights under  agreements relating to such securities,
    including the right to  enforce security interests and  to hold real  estate
    acquired  by  reason  of such  enforcement  until  that real  estate  can be
    liquidated in an orderly manner;
    
 
   
        (3) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (4)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting borrowings) at the time of the borrowing, except that the  Fund
    may  borrow up to  an additional 5%  of its total  assets (not including the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6) Purchase or sell  physical commodities, but  the Fund may  purchase,
    sell  or enter into financial options and futures, forward and spot currency
    contracts, swap  transactions and  other financial  contracts or  derivative
    instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of   its  investable  assets  (cash,   securities  and  receivables  related  to
securities) in an  open-end management investment  company having  substantially
the same investment objective, policies and limitations as the Fund.
    
 
   
For  purposes of  the Fund's  concentration policy  contained in  limitation (1)
above, the Fund intends to comply  with the SEC staff positions that  securities
issued  or  guaranteed  as  to  principal and  interest  by  any  single foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
    
 
   
The  following  investment  policies  of  the  Strategic  Income  Fund  are  not
fundamental  policies  and may  be changed  by  vote of  the Company's  Board of
Trustees without shareholder approval. The Fund may not:
    
 
   
        (1) Invest more than 15% of its total assets in illiquid securities;
    
 
   
        (2)  Borrow  money  to  purchase  securities  and  will  not  invest  in
    securities  of an issuer if the investment  would cause the Fund to own more
    than 10% of any  class of securities of  any one issuer (provided,  however,
    that the Fund
    
 
                  Statement of Additional Information Page 21
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
    may invest all of its investable assets in an open-end management investment
    company  with substantially  the same  investment objectives,  policies, and
    limitations as the Fund.);
    
 
   
        (3) Invest  more  than  10% of  its  total  assets in  shares  of  other
    investment  companies and invest more than 5% of its total assets in any one
    investment company  or  acquire  more  than 3%  of  the  outstanding  voting
    securities  of any one investment company  (provided, however, that the Fund
    may invest all of its investable assets in an open-end management investment
    company with  substantially the  same investment  objectives, policies,  and
    limitations as the Fund);
    
 
   
        (4)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments;
    
 
   
        (5) Enter into a futures contract, if, as a result thereof, more than 5%
    of the Fund's total assets  (taken at market value  at the time of  entering
    into  the contract) would be committed  to margin on such futures contracts;
    or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
   
                       HIGH INCOME FUND AND THE PORTFOLIO
    
 
   
The High Income Fund and the Portfolio each may not:
    
 
   
        (1)  Purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in  real estate  and investments  in mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Fund may exercise rights under  agreements relating to such securities,
    including the right to  enforce security interests and  to hold real  estate
    acquired  by  reason  of such  enforcement  until  that real  estate  can be
    liquidated in an orderly manner;
    
 
   
        (3) Purchase or sell  physical commodities, but  the Fund may  purchase,
    sell  or enter into financial options and futures, forward and spot currency
    contracts, swap  transactions and  other financial  contracts or  derivative
    instruments;
    
 
   
        (4)  Engage in the business of underwriting securities of other issuers,
    except to the extent that the Fund might be considered an underwriter  under
    the  federal securities laws in connection with its disposition of portfolio
    securities;
    
 
   
        (5) Make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan; or
    
 
   
        (6) Issue senior securities or  borrow money, except as permitted  under
    the  1940 Act and then not  in excess of 33 1/3%  of the Fund's total assets
    (including  the  amount  borrowed  but   reduced  by  any  liabilities   not
    constituting  borrowings) at the time of the borrowing, except that the Fund
    may borrow up to  an additional 5%  of its total  assets (not including  the
    amount borrowed) for temporary or emergency purposes.
    
 
   
For purposes of the Fund's and the Portfolio's concentration policy contained in
limitation  (1) above, they intend  to comply with the  SEC staff positions that
securities issued  or guaranteed  as to  principal and  interest by  any  single
foreign  government  or any  supranational  organizations in  the  aggregate are
considered to be securities of issuers in the same industry.
    
 
   
The following investment policies of the High Income Fund and the Portfolio  are
not  fundamental policies  and may be  changed by  vote of the  Company's or the
Portfolio's Board of  Trustees without  shareholder approval. The  Fund and  the
Portfolio each may not:
    
 
                  Statement of Additional Information Page 22
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
        (1)  Invest in securities of an issuer if the investment would cause the
    Fund or the Portfolio to own more than 10% of any class of securities of any
    one issuer  (provided,  however,  that  the  Fund  may  invest  all  of  its
    investable   assets  in  an  open-end  management  investment  company  with
    substantially the same investment objectives as the Fund);
    
 
   
        (2) Invest  in  companies  for  the purpose  of  exercising  control  or
    management  (provided,  however,  that  the  Fund  may  invest  all  of  its
    investable  assets  in  an  open-end  management  investment  company   with
    substantially the same investment objectives as the Fund);
    
 
   
        (3) Enter into a futures contract, an option on a futures contract or an
    option on foreign currency traded on a CFTC-regulated exchange, in each case
    other  than for BONA FIDE hedging purposes  (as defined by the CFTC), if the
    aggregate initial margin  and premiums  required to establish  all of  those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5%  of the  liquidation value  of the  Fund's or  the Portfolio's portfolio,
    after taking into account  unrealized profits and  unrealized losses on  any
    contracts the Fund or the Portfolio has entered into;
    
 
   
        (4)  Invest  more  than 10%  of  its  total assets  in  shares  of other
    investment companies and invest more than 5% of its total assets in any  one
    investment  company  or  acquire  more than  3%  of  the  outstanding voting
    securities of any one investment  company (provided, however, that the  Fund
    may invest all of its investable assets in an open-end management investment
    company with substantially the same investment objectives as the Fund);
    
 
   
        (5)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments; or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
   
Investors should refer to the Prospectus for further information with respect to
each Fund's investment objectives, which may not be changed without the approval
of  shareholders and the Portfolio's investment objectives, which may be changed
without the  approval  of  investors  in the  Portfolio,  and  other  investment
policies and techniques, which may be changed without shareholder approval.
    
 
                  Statement of Additional Information Page 23
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                      EXECUTION OF PORTFOLIO TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject  to  policies  established  by  the  Company's  Board  of  Trustees, the
Sub-adviser is  responsible  for the  execution  of the  Government  Income  and
Strategic  Income  Funds' and  the  Portfolio's portfolio  transactions  and the
selection of broker/ dealers that execute  such transactions on behalf of  these
Funds  and the Portfolio.  In executing transactions,  the Sub-adviser seeks the
best net results for  the Government Income and  Strategic Income Funds and  the
Portfolio,  taking  into  account  such  factors  as  the  price  (including the
applicable brokerage commission or dealer spread), size of the order, difficulty
of execution  and operational  facilities  of the  firm involved.  Although  the
Sub-adviser generally seeks reasonably competitive commission rates and spreads,
payment  of the lowest  commission or spread is  not necessarily consistent with
the best net  results. While  the Funds  and the  Portfolio may  engage in  soft
dollar arrangements for research services, as described below, neither the Funds
nor  the Portfolio has any obligation to deal with any broker/dealer or group of
broker/ dealers in the execution of portfolio transactions.
    
 
Debt securities generally are traded  on a "net" basis  with a dealer acting  as
principal for its own account without a stated commission, although the price of
the  security  usually  includes  a  profit  to  the  dealer.  U.S.  and foreign
government securities and money market  instruments generally are traded in  the
OTC  markets. In underwritten  offerings, securities usually  are purchased at a
fixed price which  includes an  amount of  compensation to  the underwriter.  On
occasion,  securities may be purchased directly from an issuer, in which case no
commissions or discounts  are paid.  Broker/dealers may  receive commissions  on
futures, currency and options transactions.
 
   
Consistent  with the interests  of the Funds and  the Portfolio, the Sub-adviser
may  select  brokers  to  execute  the  Funds'  and  the  Portfolio's  portfolio
transactions on the basis of the research and brokerage services they provide to
the  Sub-adviser for  its use in  managing the  Funds and the  Portfolio and its
other advisory accounts. Such services may include furnishing analyses,  reports
and  information concerning issuers, industries, securities, geographic regions,
economic factors and  trends, portfolio strategy,  and performance of  accounts;
and  effecting  securities  transactions  and  performing  functions  incidental
thereto (such  as clearance  and settlement).  Research and  brokerage  services
received  from such brokers are in addition to, and not in lieu of, the services
required to  be performed  by the  Sub-adviser under  investment management  and
administration  contracts. A commission paid to  such brokers may be higher than
that which another qualified  broker would have charged  for effecting the  same
transaction,  provided that the  Sub-adviser determines in  good faith that such
commission is reasonable in terms either  of that particular transaction or  the
overall responsibility of the Sub-adviser to the Funds and the Portfolio and its
other clients and that the total commissions paid by the Funds and the Portfolio
will  be reasonable in  relation to the  benefits received by  the Funds and the
Portfolio over  the long  term.  Research services  may  also be  received  from
dealers who execute Fund transactions in OTC markets.
    
 
   
The  Sub-adviser may allocate brokerage  transactions to broker/dealers who have
entered into arrangements under which  the broker/dealer allocates a portion  of
the  commissions paid by the Funds or the Portfolio toward payment of the Funds'
or the Portfolio's expenses, such as transfer agent and custodian fees.
    
 
   
Investment decisions for each  Fund and the Portfolio  and for other  investment
accounts  managed by  the Sub-adviser  are made  independently of  each other in
light  of   differing  conditions.   However,  the   same  investment   decision
occasionally may be made for two or more of such accounts, including one or both
Funds  and the  Portfolio. In such  cases, simultaneous  transactions may occur.
Purchases or sales are then allocated as  to price or amount in a manner  deemed
fair  and equitable to all accounts involved.  While in some cases this practice
could have a detrimental effect upon the  price or value of the security as  far
as  the Funds and  the Portfolio are  concerned, in other  cases the Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Funds and the Portfolio.
    
 
   
Under a policy adopted  by the Company's Board  of Trustees and the  Portfolio's
Board  of Trustees, and subject to the policy of obtaining the best net results,
the Sub-adviser may consider a broker/dealer's  sale of the shares of the  Funds
and  the other funds for  which the Sub-adviser serves  as investment manager in
selecting brokers and dealers for the execution of portfolio transactions.  This
policy does not imply a commitment to execute portfolio transactions through all
broker/ dealers that sell shares of the Funds and such other funds.
    
 
                  Statement of Additional Information Page 24
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Each  Fund  and  the  Portfolio  contemplates  purchasing  most  foreign  equity
securities in  over-the-counter  markets  or  stock  exchanges  located  in  the
countries  in  which the  respective  principal offices  of  the issuers  of the
various securities are located, if that is the best available market. The  fixed
commissions  paid  in  connection  with  most  such  foreign  stock transactions
generally are higher than negotiated commissions on United States  transactions.
There  generally is less government supervision  and regulation of foreign stock
exchanges and brokers than  in the United  States. Foreign security  settlements
may   in  some  instances  be  subject  to  delays  and  related  administrative
uncertainties.
 
Foreign equity securities may be held by a Fund and the Portfolio in the form of
American Depository  Receipts  ("ADRs"), American  Depository  Shares  ("ADSs"),
Continental   Depository  Receipts  ("CDRs")  or  European  Depository  Receipts
("EDRs") or securities convertible into  foreign equity securities. ADRs,  ADSs,
CDRs  and EDRs may be listed on stock exchanges, or traded in the OTC markets in
the United States or  Europe, as the  case may be.  ADRs, like other  securities
traded in the United States, will be subject to negotiated commission rates. The
foreign  and domestic debt securities and  money market instruments in which the
Funds and the Portfolio may invest generally are traded in the OTC markets.
 
   
The Funds and  the Portfolio  contemplate that,  consistent with  the policy  of
obtaining  the best net results, brokerage transactions may be conducted through
certain companies that are affiliated with AIM or the Sub-adviser. The Company's
Board of Trustees has adopted procedures in conformity with Rule 17e-1 under the
1940 Act to ensure  that all brokerage commissions  paid to such affiliates  are
reasonable  and fair in the  context of the market  in which they are operating.
Any such transactions  will be effected  and related compensation  paid only  in
accordance  with applicable SEC regulations. For  the fiscal years ended October
31, 1997, 1996 and 1995, the  Portfolio paid aggregate brokerage commissions  of
$0,  $86,600 and $0, respectively. For the  fiscal years ended October 31, 1997,
1996 and 1995, the Government  Income Fund paid aggregate brokerage  commissions
of  $4,987, $24,663 and $0, respectively. For the fiscal years ended October 31,
1997, 1996  and  1995,  the  Strategic  Income  Fund  paid  aggregate  brokerage
commissions of $6,177, $85,404 and $0, respectively.
    
 
PORTFOLIO TRADING AND TURNOVER
   
Each  Fund and the  Portfolio engages in portfolio  trading when the Sub-adviser
concludes that the sale of a security  owned by a Fund and the Portfolio  and/or
the  purchase of another  security of better value  can enhance principal and/or
increase income. A  security may  be sold to  avoid any  prospective decline  in
market  value, or a security may be  purchased in anticipation of a market rise.
Consistent with  each  Fund's  and  the  Portfolio's  investment  objectives,  a
security  also may be sold and a comparable security purchased coincidentally in
order to take  advantage of what  is believed to  be a disparity  in the  normal
yield  and price relationship between the two securities. Although the Funds and
the Portfolio  generally do  not intend  to trade  for short-term  profits,  the
securities  in each Fund's  and the Portfolio's portfolio  will be sold whenever
the Sub-adviser  believes it  is appropriate  to do  so, without  regard to  the
length  of time a particular security may  have been held. Portfolio turnover is
calculated by dividing the lesser of sales or purchases of portfolio  securities
by  each Fund's or the Portfolio's  average month-end portfolio value, excluding
short-term  investments.  Higher  portfolio  turnover  involves  correspondingly
greater  brokerage commissions  and other transaction  costs that a  Fund or the
Portfolio will bear directly, and may  result in the realization of net  capital
gains  that  are  taxable  when distributed  to  each  Fund's  shareholders. The
portfolio turnover rates for the  Government Income Fund, Strategic Income  Fund
and the Portfolio the last two fiscal years were as follows:
    
 
<TABLE>
<CAPTION>
                                                                                              YEAR ENDED OCT.    YEAR ENDED
                                                                                                 31, 1997       OCT. 31, 1996
                                                                                              ---------------  ---------------
<S>                                                                                           <C>              <C>
Government Income Fund......................................................................          241%             268%
Strategic Income Fund.......................................................................          149%             177%
High Income Portfolio.......................................................................          214%             290%
</TABLE>
 
                  Statement of Additional Information Page 25
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
                        TRUSTEES AND EXECUTIVE OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The  Company's and  the Portfolio's Trustees  and executive  officers are listed
below. The  term  "Trustees" as  used  below refers  to  the Company's  and  the
Portfolio's Trustees collectively.
    
 
   
<TABLE>
<CAPTION>
NAMES, POSITION(S) WITH THE              PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY/PORTFOLIO AND ADDRESS            EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international GT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*  Mr. Guilfoyle is an "interested person" of the Company as defined by the 1940
Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
<TABLE>
<CAPTION>
NAMES, POSITION(S) WITH THE              PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY/PORTFOLIO AND ADDRESS            EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and                1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Principal Accounting Officer      1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Sub-adviser
Vice President                    since October 1997; Executive Vice President of the Asset Management
50 California Street              Division of Liechtenstein Global Trust since October 1996; Senior Vice
San Francisco, CA 94111           President, General Counsel and Secretary of [Chancellor LGT], GT Global,
                                  GT Services and G.T. Insurance from February 1996 to October 1996; Vice
                                  President, General Counsel and Secretary of LGT Asset Management, Inc.,
                                  [Chancellor LGT], GT Global, GT Services and G.T. Insurance from May
                                  1994 to February 1996; Senior Vice President, General Counsel and
                                  Secretary of Strong/Corneliuson Management, Inc. and Secretary of each
                                  of the Strong Funds from October 1991 through May 1994.
 
 [THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE REGISTRATION STATEMENT.]
</TABLE>
    
 
                         ------------------------------
 
   
The  Board has a  Nominating and Audit  Committee, composed of  Miss Quigley and
Messrs. Anderson,  Bayley and  Patterson, which  is responsible  for  nominating
persons  to serve as Trustees, reviewing audits of the Company and its funds and
recommending firms to serve as independent auditors of the Company. Each of  the
Trustees  and Officers  of the  Company is  also a  Trustee and  Officer of G.T.
Investment Portfolios, GT Global Floating  Rate Fund, G.T. Global Series  Trust,
G.T. Global Growth Series, G.T. Global Eastern Europe Fund, G.T. Global Variable
Investment  Trust,  G.T. Global  Variable  Investment Series,  Global Investment
Portfolio,  Floating  Rate  Portfolio  and  Growth  Portfolio,  which  also  are
registered   investment  companies  advised  by   AIM  and  sub-advised  by  the
Sub-adviser. Each of the individuals listed above serves as a Trustee or Officer
of the Company as well  as a Trustee or Officer  of the Portfolio. Each  Trustee
and  Officer  serves in  total as  a  Trustee and  Officer, respectively,  of 12
registered investment companies with  47 series managed  or administered by  AIM
and sub-advised and sub-administered by the Sub-adviser. Each Trustee who is not
a  director, officer or employee of the Sub-adviser or any affiliated company is
paid aggregate fees of $5,000 per annum, plus $300 per Fund for each meeting  of
the  Board  attended,  and  reimbursed travel  and  other  expenses  incurred in
connection with attendance at such meetings. Other Trustees and Officers receive
no compensation or expense reimbursement from  the Company. For the fiscal  year
October  31, 1997, Mr. Anderson, Mr. Bayley, Mr. Patterson and Miss Quigley, who
are not directors, officers, or employees  of the Sub-adviser or any  affiliated
companies, received total compensation of $38,650, $38,650, $27,850 and $38,650,
respectively,  from the Company's  series Funds for  their services as Trustees.
For the  fiscal year  ended October  31,  1997, Mr.  Anderson, Mr.  Bayley,  Mr.
Patterson  and Miss Quigley  received total compensation  of $117,304, $114,386,
$88,350 and $111,688,  respectively, from  the investment  companies managed  or
administered  by AIM and sub-advised and sub-administered by the Sub-adviser for
which he or she serves as a Trustee. Fees and expenses disbursed to the Trustees
contained no accrued or payable pension or retirement benefits. As of January 8,
1998, the Officers  and Trustees  and their  families as  a group  owned in  the
aggregate  beneficially or of record  less than 1% of  the outstanding shares of
the Funds or of all the Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM serves  as the  Government Income  Fund's and  the Strategic  Income  Fund's
investment   manager  and  administrator  under  an  Investment  Management  and
Administration  Contract  between  the  Company  and  AIM  ("Company  Management
Contract").  The Sub-adviser serves as  the sub-adviser and sub-administrator to
the Government Income Fund  and Strategic Income Fund  under a Sub-Advisory  and
Sub-Administration  Contract  between AIM  and the  Sub-adviser ("Sub-Management
Contract,"  and  together   with  the  Management   Contract,  the   "Management
Contracts").  AIM series as the Portfolio's investment manager and administrator
under an Investment Management and Administration Contract between the Portfolio
and   AIM   ("Portfolio   Management   Contract")   (collectively,   "Management
Contracts").   The  Sub-adviser  serves  as   the  Portfolio's  sub-adviser  and
sub-administrator under a Sub-Advisory and Sub-Administration Agreement  between
AIM  and the Sub-adviser ("Portfolio Management Sub-Contract," and together with
the Portfolio Management  Contract, the "Portfolio  Management Contracts").  AIM
serves  as the High Income Fund's administrator under an Administration Contract
("Administration Contract") between the Company and AIM. The Sub-adviser  serves
as  sub-administrator to  each Feeder  Fund under  a sub-administration contract
between AIM  and the  Sub-adviser ("Administration  Sub-Contract," and  together
with   the  Administration   Contract,  the   "Administration  Contracts").  The
Administration Contracts will not be deemed advisory contracts, as defined under
the 1940 Act. As investment managers and administrators, AIM and the Sub-adviser
make all  investment decisions  for the  Government Income  Fund, the  Strategic
Income  Fund and the  Portfolio, and as administrators,  AIM and the Sub-adviser
administer each Fund's and the Portfolio's affairs. Among other things, AIM  and
the  Sub-adviser  furnish  the  services and  pay  the  compensation  and travel
expenses of  persons who  perform the  executive, administrative,  clerical  and
bookkeeping  functions of the Company, the  Funds, and the Portfolio and provide
suitable office space, necessary small office equipment and utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's or the Portfolio's Board of Trustees, as applicable, or by the vote of
a majority of the  Fund's or the Portfolio's  outstanding voting securities  (as
defined in the 1940 Act), and (ii) a majority of Trustees who are not parties to
the  Management  Contracts or  the  Administration Contracts,  as  applicable or
"interested persons" of any  such party (as  defined in the  1940 Act), cast  in
person  at a meeting called for the specific purpose of voting on such approval.
The Management  Contracts provide  that with  respect to  the Government  Income
Fund,  the  Strategic  Income  Fund and  the  Portfolio  and  the Administration
Contract provides that with respect to the High Income Fund either the  Company,
the  Portfolio or  each of  AIM or the  Sub-adviser may  terminate the Contracts
without penalty  upon  sixty  days'  written notice  to  the  other  party.  The
Management Contracts and the Administration Contracts terminate automatically in
the event of their assignment (as defined in the 1940 Act).
    
 
   
In  each  of  the  last  three fiscal  years  the  Government  Income  Fund paid
investment  management  and  administration  fees  to  the  Sub-adviser  in  the
following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 2,403,043
1996.......................................................................................................     3,672,503
1995.......................................................................................................     4,946,971
</TABLE>
 
   
In each of the last three fiscal years the Strategic Income Fund paid investment
management and administration fees to the Sub-adviser in the following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 3,474,804
1996.......................................................................................................     3,807,689
1995.......................................................................................................     4,293,053
</TABLE>
 
                  Statement of Additional Information Page 28
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
In  each  of  the  last  three fiscal  years,  the  High  Income  Portfolio paid
investment  management  and  administration  fees  to  the  Sub-adviser  in  the
following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 2,971,167
1996.......................................................................................................     3,014,924
1995.......................................................................................................     2,411,786
</TABLE>
 
   
In  each of the  last three fiscal  years, the High  Income Fund paid investment
management and administration fees to the Sub-adviser in the following amounts:
    
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 1,136,471
1996.......................................................................................................     1,015,220
1995.......................................................................................................       860,884
</TABLE>
 
DISTRIBUTION SERVICES
Each Fund's Advisor Class  shares are offered  continuously through each  Fund's
principal  underwriter  and distributor,  GT Global  on  a "best  efforts" basis
without a sales charge or a contingent deferred sales charge.
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The Transfer  Agent  has been  retained  by  the Funds  to  perform  shareholder
servicing,  reporting and general  transfer agent functions  for them. For these
services, the Transfer Agent  receives an annual maintenance  fee of $17.50  per
account,  a new account fee of $4.00 per account, a per transaction fee of $1.75
for all transactions other than exchanges and  a per exchange fee of $2.25.  The
Transfer  Agent also is  reimbursed by each Fund  for its out-of-pocket expenses
for such  items as  postage,  forms, telephone  charges, stationery  and  office
supplies.  The Sub-adviser serves  as each Fund's  pricing and accounting agent.
For the fiscal years ended  October 31, 1997, October  31, 1996 and October  31,
1995,  the Fund paid  accounting services fees to  the Sub-adviser of Government
Income Fund, Strategic Income Fund, and High Income Fund were $85,149,  $127,205
and $40,218; $123,309, $131,517 and $34,980; and $116,607, $101,697 and $22,563,
respectively.
    
 
EXPENSES OF THE FUNDS AND THE PORTFOLIO
   
Each  Fund  and  the  Portfolio  pays  all  expenses  not  assumed  by  AIM, the
Sub-adviser, AIM  Distributors  and other  agents.  These expenses  include,  in
addition  to the advisory, distribution, transfer agency, pricing and accounting
agent and brokerage fees  discussed above, legal  and audit expenses,  custodian
fees,  directors' fees, organizational  fees, fidelity bond  and other insurance
premiums,  taxes,  extraordinary  expenses  and  the  expenses  of  reports  and
prospectuses  sent  to existing  investors.  The allocation  of  general Company
expenses and expenses shared by the Funds and other funds organized as series of
the Company are allocated  on a basis  deemed fair and  equitable, which may  be
based  on the  relative net assets  of the Funds  or the nature  of the services
performed and relative applicability to each Fund. Expenditures, including costs
incurred in connection with the purchase or sale of portfolio securities,  which
are  capitalized  in accordance  with  generally accepted  accounting principles
applicable to investment companies, are accounted  for as capital items and  not
as  expenses.  The ratio  of each  Fund's  and the  Portfolio's expenses  to its
relative net assets  can be expected  to be  higher than the  expense ratios  of
funds investing solely in domestic securities, since the cost of maintaining the
custody of foreign securities and the rate of investment management fees paid by
each Fund and the Portfolio generally are higher than the comparable expenses of
such other funds.
    
 
                  Statement of Additional Information Page 29
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As  described in the Prospectus, each Fund's  net asset value per share for each
class of shares is determined  at the close of regular  trading on the New  York
Stock  Exchange  ("NYSE") (currently,  4:00 P.M.  Eastern time,  unless weather,
equipment failure or  other factors  contribute to an  earlier closing  business
time) on each business day the NYSE is open for business. Currently, the NYSE is
closed  on weekends and on certain days  relating to the following holidays: New
Year's Day, Martin Luther King Day, President's Day, Good Friday, Memorial  Day,
July 4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
Each Fund's and the Portfolio's portfolio securities and other assets are valued
as follows:
 
   
Equity  securities, including  ADRs, ADSs  and EDRs,  which are  traded on stock
exchanges are valued at the last sale price on the exchange or in the  principal
over-the-counter  market in which such securities are traded, as of the close of
business on the day the  securities are being valued  or, lacking any sales,  at
the  last available bid price. In cases where securities are traded on more than
one exchange,  the securities  are  valued on  the  exchange determined  by  the
Sub-adviser to be the primary market.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
or asked prices for  such securities or,  if such prices  are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a  bond pricing  service  will be  used.  Short-term debt  investments are
amortized to  maturity  based  on  their cost,  adjusted  for  foreign  exchange
translation, provided such valuations represent fair value.
    
 
Options  on  indices,  securities and  currencies  purchased  by a  Fund  or the
Portfolio are valued at their last bid  price in the case of listed options  or,
in  the case of OTC options at the  average of the last bid prices obtained from
dealers, unless a  quotation from only  one dealer is  available, in which  case
only  that dealer's price will  be used. When market  quotations for futures and
options on futures held by a Fund or the Portfolio are readily available,  those
positions will be valued based upon such quotations.
 
   
Securities  and  other  assets  for  which  market  quotations  are  not readily
available (including restricted securities which  are subject to limitations  as
to  their sale) are valued at fair value as determined in good faith by or under
the direction  of the  Company's  Board of  Trustees. The  valuation  procedures
applied  in any specific instance are likely to vary from case to case. However,
consideration is generally  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also are generally considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to arrive at the  value of a Fund's  or the Portfolio's total assets.
The Fund's or the Portfolio's liabilities, including accruals for expenses,  are
deducted  from  its  total assets.  Once  the total  value  of a  Fund's  or the
Portfolio's net assets is so determined, that value is then divided by the total
number of  shares  outstanding  (excluding treasury  shares),  and  the  result,
rounded to the nearest cent, is the net asset value per share.
 
Any  assets or liabilities initially denominated  in terms of foreign currencies
are translated into U.S. dollars at the official exchange rate or at the mean of
the current bid and asked prices of such currencies against the U.S. dollar last
quoted by a major  bank that is  a regular participant  in the foreign  exchange
market  or on the basis of a pricing  service that takes into account the quotes
provided by a  number of such  major banks.  If none of  these alternatives  are
available  or none are deemed to provide a suitable methodology for converting a
foreign currency into U.S. dollars, the Board of Directors, in good faith,  will
establish a conversion rate for such currency.
 
European, Far Eastern or Latin American securities trading may not take place on
all  days on which  the NYSE is  open. Further, trading  takes place in Japanese
markets on certain Saturdays and in various foreign markets on days on which the
NYSE is not  open. Consequently, the  calculation of the  Funds' respective  net
asset values therefore may not take place
 
                  Statement of Additional Information Page 30
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
contemporaneously with the determination of the prices of securities held by the
Funds.  Events affecting the  values of portfolio  securities that occur between
the time their prices  are determined and  the close of  regular trading on  the
NYSE  will  not  be  reflected  in  the  Funds'  net  asset  values  unless  the
Sub-adviser,  under  the  supervision  of  the  Company's  Board  of   Trustees,
determines that the particular event would materially affect net asset value. As
a result, a Fund's net asset value may be significantly affected by such trading
on days when a shareholder cannot purchase or redeem shares of the Fund.
    
 
- --------------------------------------------------------------------------------
 
                       INFORMATION RELATING TO SALES AND
                                  REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment  for  Advisor Class  shares  of a  fund  purchased should  accompany the
purchase order, or funds should be wired  to the Transfer Agent as described  in
the  Prospectus. Payment for Fund  shares, other than by  wire transfer, must be
made by check or money order drawn on  a U.S. bank. Checks or money orders  must
be payable in U.S. dollars.
 
As a condition of this offering, if an order to purchase Advisor Class shares is
cancelled  due to nonpayment  (for example, on  account of a  check returned for
"not sufficient funds"), the person who  made the order will be responsible  for
any  loss  incurred  by a  Fund  by reason  of  such cancellation,  and  if such
purchaser is a shareholder, the  Fund shall have the  authority as agent of  the
shareholder  to redeem shares  in his or  her account at  their then-current net
asset value per share  to reimburse that Fund  for the loss incurred.  Investors
whose  purchase orders have  been cancelled due to  nonpayment may be prohibited
from placing future orders.
 
Each Fund  reserves the  right at  any time  to waive  or increase  the  minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons. An order to purchase shares is not binding on a Fund
until  it  has  been  confirmed  in writing  by  the  Transfer  Agent  (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, each Fund reserves the right to reject any offer for a purchase of
shares by any individual.
 
SALES OUTSIDE THE UNITED STATES
Sales  of Fund shares made through brokers  outside the United States will be at
net asset value plus a sales commission,  if any, established by that broker  or
by local law.
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
 
   
IRAS: If you have earned income from employment (including self-employment), you
can  contribute each year to an IRA up  to the lesser of (1) $2,000 for yourself
or $4,000  for  you  and your  spouse,  regardless  of whether  your  spouse  is
employed,  or (2) 100% of compensation. Some  individuals may be able to take an
income tax deduction for the contribution. Regular contributions may not be made
for the year  you become 70  1/2 or  thereafter. Unless your  and your  spouse's
earnings  exceed  a certain  level, you  also may  establish an  "education IRA"
and/or a  "Roth IRA."  Although contributions  to these  new types  of IRAs  are
nondeductible,   withdrawals   from  them   will   be  tax-free   under  certain
circumstances. Please  consult  your  tax  adviser  for  more  information.  IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER  IRAS: Individuals who receive  distributions from qualified retirement
plans (other than  required distributions) and  who wish to  keep their  savings
growing  tax-deferred  can  roll  over  (or make  a  direct  transfer  of) their
distribution to a  Rollover IRA. These  accounts can also  receive rollovers  or
transfers  from an existing  IRA. If an "eligible  rollover distribution" from a
qualified employer-sponsored retirement plan is  not directly rolled over to  an
IRA  (or  certain qualified  plans),  withholding at  the  rate of  20%  will be
required for federal income tax purposes.  A distribution from a qualified  plan
that  is not an "eligible rollover  distribution," including a distribution that
is one of series of substantially equal periodic payments, generally is  subject
to  regular wage withholding or withholding at the rate of 10% (depending on the
type and  amount  of  the  distribution),  unless you  elect  not  to  have  any
withholding apply. Please consult your tax adviser for more information.
 
                  Statement of Additional Information Page 31
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
SEP-IRAS:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  Section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either  as separate  IRAs or as  part of  a Section  401(k)
plan.  SIMPLEs are not  subject to the  complicated nondiscrimination rules that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
Shares of each Fund may  be exchanged for shares  of the corresponding class  of
other GT Global Mutual Funds, based on their respective net asset values without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical. The exchange privilege is not  an option or right to purchase  shares
but  is permitted under the current policies  of the respective GT Global Mutual
Funds. The privilege may be discontinued or changed at any time by any of  those
funds  upon sixty  days' prior  notice to  the shareholders  of the  fund and is
available only  in  states  where  the exchange  may  be  made  legally.  Before
purchasing  shares through the exercise of the exchange privilege, a shareholder
should obtain and read a copy of the prospectus of the fund to be purchased  and
should consider its investment objective(s).
 
TELEPHONE REDEMPTIONS
A  corporation or partnership  wishing to utilize  telephone redemption services
must submit a "Corporate Resolution" or "Certificate of Partnership"  indicating
the names, titles and the required number of signatures of persons authorized to
act  on  its  behalf.  The  certificate must  be  signed  by  a  duly authorized
officer(s) and, in the  case of a corporation,  the corporate seal affixed.  All
shareholders  may request that  redemption proceeds be  transmitted by bank wire
directly to  the  shareholder's predesignated  account  at a  domestic  bank  or
savings institution, if the proceeds are at least $500. Costs in connection with
the  administration of this service, including wire charges, currently are borne
by the  appropriate Fund.  Proceeds of  less than  $500 will  be mailed  to  the
shareholder's  registered address  of record. The  Funds and  the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The  Funds may suspend redemption privileges or postpone the date of payment for
more than seven days after a redemption order is received during any period  (1)
when  the NYSE is closed  other than customary weekend  and holiday closings, or
trading on the NYSE is restricted as directed by the SEC, (2) when an  emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Funds to dispose of securities owned by them or fairly to determine the value of
their assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board  of Trustees, make it  undesirable for a Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be  made in  portfolio securities  or  other property  of a  Fund,  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  each  Fund  will pay  in  cash all  requests  for redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the lesser of $250,000 or 1% of the net asset value  of
a  Fund at the beginning of such period. This election is irrevocable so long as
Rule 18f-1 remains in effect, unless  the SEC by order upon application  permits
the withdrawal of such election.
    
 
                  Statement of Additional Information Page 32
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
TAXATION OF THE FUNDS
Each  Fund is treated as a separate corporation for federal income tax purposes.
To continue to qualify for treatment  as a regulated investment company  ("RIC")
under  the Code, each Fund must distribute  to its shareholders for each taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several  additional requirements. With respect  to each Fund, these requirements
include the following: (1) the Fund must derive at least 90% of its gross income
each taxable year from dividends, interest, payments with respect to  securities
loans  and gains  from the  sale or other  disposition of  securities or foreign
currencies, or other income  (including gains from  options, Futures or  Forward
Contracts)  derived with respect  to its business of  investing in securities or
those currencies ("Income Requirement").;  (2) at the close  of each quarter  of
the  Fund's taxable year, at least 50% of  the value of its total assets must be
represented by cash and  cash items, U.S.  government securities, securities  of
other RICs and other securities, with these other securities limited, in respect
of  any one issuer,  to an amount  that does not  exceed 5% of  the value of the
Fund's total assets and that  does not represent more  than 10% of the  issuer's
outstanding  voting securities;  and (3)  at the  close of  each quarter  of the
Fund's taxable year, not more than 25% of  the value of its total assets may  be
invested  in securities (other than U.S. government securities or the securities
of other RICs) of any  one issuer. The High Income  Fund, as an investor in  the
Portfolio, is deemed to own a proportionate share of the Portfolio's assets, and
to  earn  a  proportionate share  of  the  Portfolio's income,  for  purposes of
determining whether  that Fund  satisfies the  requirements described  above  to
qualify as a RIC.
 
Each Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent  it fails to distribute by the end of any calendar year substantially all
of its  ordinary income  for  that year  and capital  gain  net income  for  the
one-year period ending on October 31 of that year, plus certain other amounts.
 
See  "Taxation of Certain  Investment Activities" below for  a discussion of the
tax consequences to the High Income Fund of hedging transactions engaged in, and
investments in passive foreign investment companies ("PFICS") and other  foreign
securities by, the Portfolio.
 
TAXATION OF THE PORTFOLIO -- GENERAL
The Portfolio is treated as a partnership for federal income tax purposes and is
not  a "publicly traded partnership." As a  result, the Portfolio is not subject
to federal income  tax; instead, the  High Income  Fund, as an  investor in  the
Portfolio,  is required to  take into account in  determining its federal income
tax liability its share of the Portfolio's income, gains, losses, deductions and
credits, without regard to whether it  has received any cash distributions  from
the Portfolio. The Portfolio also is not subject to New York income or franchise
tax.
 
Because,  as  noted  above,  the  High  Income Fund  will  be  deemed  to  own a
proportionate share of the Portfolio's assets, and to earn a proportionate share
of the  Portfolio's  income,  for  purposes of  determining  whether  that  Fund
satisfies the requirements to qualify as a RIC, the Portfolio intends to conduct
its  operations so that the High Income Fund will be able to continue to satisfy
all those requirements.
 
Distributions to the High Income Fund from the Portfolio (whether pursuant to  a
partial  or complete  withdrawal or  otherwise) will  not result  in that Fund's
recognition of any gain or loss for federal income tax purposes, except that (1)
gain will be recognized to the extent any cash that is distributed exceeds  that
Fund's  basis for  its interest  in the  Portfolio before  the distribution, (2)
income or gain will be recognized if the distribution is in liquidation of  that
Fund's entire interest in the Portfolio and includes a disproportionate share of
any  unrealized  receivables  held  by  the  Portfolio,  and  (3)  loss  will be
recognized  if  a  liquidation  distribution  consists  solely  of  cash  and/or
unrealized  receivables. The  High Income Fund's  basis for its  interest in the
Portfolio generally will equal the amount of cash and the basis of any  property
that  Fund  invests in  the Portfolio,  increased  by that  Fund's share  of the
Portfolio's net income and gains and decreased by (1) the amount of cash and the
basis of any property the Portfolio distributes to that Fund and (2) that Fund's
share of the Portfolio's losses.
 
TAXATION OF CERTAIN INVESTMENT ACTIVITIES
For purposes of the following  discussion, "Investor Fund" means the  Government
Income Fund, the Strategic Income Fund or the Portfolio.
 
                  Statement of Additional Information Page 33
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
    FOREIGN TAXES Dividends and interest received by an Investor Fund, and gains
realized  thereby, may be subject to income, withholding, or other taxes imposed
by foreign countries and  U.S. possessions ("foreign  taxes") that would  reduce
the yield and/or total return on its securities. Tax conventions between certain
countries  and the United States may reduce or eliminate foreign taxes, however,
and many foreign countries do  not impose taxes on  capital gains in respect  of
investments  by foreign  investors. If more  than 50%  of the value  of a Fund's
total assets (taking  into account, in  the case  of the High  Income Fund,  its
proportionate  share of the Portfolio's assets) at the close of its taxable year
consists of securities of  foreign corporations, the Fund  will be eligible  to,
and may, file an election with the Internal Revenue Service that will enable its
shareholders,  in effect, to receive the benefit  of the foreign tax credit with
respect to any foreign taxes paid by it (taking into account, in the case of the
High Income  Fund, its  proportionate share  of any  foreign taxes  paid by  the
Portfolio)  (a "Fund's foreign  taxes"). Pursuant to the  election, a Fund would
treat those taxes  as dividends paid  to its shareholders  and each  shareholder
would  be required to (1) include in gross income, and treat as paid by him, his
proportionate share of the  Fund's foreign taxes, (2)  treat his share of  those
taxes  and of  any dividend  paid by  the Fund  that represents  its income from
foreign and U.S. possessions sources (taking  into account, in the case of  High
Income  Fund,  its  proportionate share  of  the Portfolio's  income  from those
sources) as his own income  from those sources and  (3) either deduct the  taxes
deemed  paid by him in  computing his taxable income  or, alternatively, use the
foregoing information in calculating the foreign tax credit against his  federal
income tax. Each Fund will report to its shareholders shortly after each taxable
year their respective shares of the Fund's foreign taxes and income (taking into
account,  in the case  of the High  Income Fund, its  proportionate share of the
Portfolio's income) from sources within  foreign countries and U.S.  possessions
if  it makes this  election. Pursuant to  the Taxpayer Relief  Act of 1997 ("Tax
Act"), individuals who have no more  than $300 ($600 for married persons  filing
jointly)  of creditable  foreign taxes  included on Form  1099 and  all of whose
foreign source income is  "qualified passive income" may  elect each year to  be
exempt  from the extremely complicated foreign tax credit limitation and will be
able to claim a foreign tax credit without having to file the detailed Form 1116
that otherwise is required.
 
    PASSIVE FOREIGN INVESTMENT COMPANIES  Each Investor Fund  may invest in  the
stock  of PFICs.  A PFIC is  a foreign  corporation -- other  than a "controlled
foreign corporation" (I.E., a  foreign corporation in which,  on any day  during
its  taxable year, more than  50% of the total voting  power of all voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Investor Fund is a U.S. shareholder (effective for their taxable  year
beginning  November 1, 1998) -- that, in  general, meets either of the following
tests: (1) at least 75% of its gross  income is passive or (2) an average of  at
least  50% of  its assets produce,  or are  held for the  production of, passive
income. Under certain circumstances,  a Fund will be  subject to federal  income
tax  on a part (or, in the case of the High Income Fund, its proportionate share
of a part) of any "excess distribution" received  by it (or, in the case of  the
High  Income Fund, by the Portfolio) on the stock  of a PFIC or of any gain from
its (or, in the case of the High Income Fund, by the Portfolio's) disposition of
the stock (collectively "PFIC income"), plus interest thereon, even if the  Fund
distributes  the  PFIC income  as a  taxable dividend  to its  shareholders. The
balance of the  PFIC income will  be included in  the Fund's investment  company
taxable  income and, accordingly, will not be  taxable to the Fund to the extent
it distributes that income to its shareholders.
 
If an  Investor Fund  invests  in a  PFIC and  elects  to treat  the PFIC  as  a
"qualified  electing  fund"  ("QEF"), then  in  lieu  of the  foregoing  tax and
interest obligation, the Investor  Fund (or, in the  case of the Portfolio,  the
High  Income Fund) would be required to  include in income each taxable year its
pro rata  share (taking  into account,  in the  case of  High Income  Fund,  its
proportionate  share of  the Portfolio's pro  rata share) of  the QEF's ordinary
earnings and net  capital gain (I.E.  the excess of  net long-term capital  gain
over  net  short-term  capital loss)  --  which  most likely  would  have  to be
distributed by the Investor  Fund (or, in  the case of  the Portfolio, the  High
Income Fund) to satisfy the Distribution Requirement and avoid imposition of the
Excise Tax -- even if those earnings and gain were not received thereby from the
QEF.  In most instances  it will be  very difficult, if  not impossible, to make
this election because of certain requirements thereof.
 
Effective for taxable years beginning after 1997, a holder of stock in any  PFIC
may elect to include in ordinary income each taxable year the excess, if any, of
the fair market value of the stock over the adjusted basis therein as of the end
of  that  year. Pursuant  to  the election,  a  deduction (as  an  ordinary, not
capital, loss) also  will be allowed  for the  excess, if any,  of the  holder's
adjusted  basis  in PFIC  stock over  the fair  market value  thereof as  of the
taxable year-end, but only  to the extent of  any net mark-to-market gains  with
respect  to that stock included in income  for prior taxable years. The adjusted
basis in each PFIC's stock subject to  the election will be adjusted to  reflect
the  amounts  of income  included and  deductions taken  thereunder. Regulations
proposed in 1992 would provide a similar  election with respect to the stock  of
certain PFICs.
 
    OPTIONS,  FUTURES AND FOREIGN CURRENCY  TRANSACTIONS The Investor Fund's use
of hedging transactions, such  as selling (writing)  and purchasing options  and
Futures  Contracts and entering  into Forward Contracts,  involves complex rules
that will determine, for federal income tax purposes, the amount, character  and
timing of recognition of the gains and losses
 
                  Statement of Additional Information Page 34
<PAGE>
                             GT GLOBAL INCOME FUNDS
an Investor Fund realizes in connection therewith. Gains from the disposition of
foreign  currencies  (except  certain  gains  that  may  be  excluded  by future
regulations), and gains from options,  Futures and Forward Contracts derived  by
an  Investor Fund  with respect  to its business  of investing  in securities or
foreign  currencies,  will  qualify  as  permissible  income  under  the  Income
Requirement  for that Investor Fund (or, in  the case of the Portfolio, the High
Income Fund).
 
Futures and  Forward Contracts  that are  subject to  section 1256  of the  Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and that are held by an Investor Fund at the end of its taxable year
generally will be deemed to  have been sold at  market value for federal  income
tax  purposes. Sixty percent of any net  gain or loss recognized on these deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256 Contracts,  will be  treated as  long-term capital  gain or  loss, and  the
balance  will be treated as  short-term capital gain or loss.  As of the date of
preparation of  this Statement  of Additional  Information, it  is not  entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net  capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the 15%
marginal tax bracket) for gain recognized  on capital assets held for more  than
18  months -- instead of  the 28% rate in  effect before that legislation, which
now applies to gain recognized on capital assets held for more than one year but
not more than 18  months, although technical  corrections legislation passed  by
the House of Representatives late in 1997 would treat it as qualifying therefor.
 
Section  988 of the Code also may apply to gains and losses from transactions in
foreign currencies,  foreign-currency-denominated debt  securities and  options,
Futures  and Forward  Contracts on foreign  currencies ("Section  988" gains and
losses). Section 988 gain or loss  generally is computed separately and  treated
as  ordinary income or  loss. In the  case of overlap  between sections 1256 and
988, special provisions determine the character  and timing of any income,  gain
or  loss. Each  Investor Fund  attempts to  monitor section  988 transactions to
minimize any adverse tax impact.
 
If a Fund  has an  "appreciated financial  position" --  generally, an  interest
(including  an interest through an option,  Futures or Forward Contract or short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership interest the fair market value  of which exceeds its adjusted  basis
- --  and enters into a  "constructive sale" of the  same or substantially similar
property, the Fund will be treated as  having made an actual sale thereof,  with
the  result  that gain  will be  recognized  at that  time. A  constructive sale
generally consists of a short sale, an offsetting notional principal contract or
Futures or Forward Contract entered  into by the Fund  or a related person  with
respect  to  the same  or substantially  similar property.  In addition,  if the
appreciated financial  position is  itself  a short  sale  or such  a  contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The  Strategic Income  Fund and  the Portfolio each  may acquire  zero coupon or
other securities issued  with original issue  discount ("OID"). As  a holder  of
those  securities, that Fund and the Portfolio (and, through it, the High Income
Fund) each must include in its income the portion of the OID that accrues on the
securities during the taxable year, even if no corresponding payment on them  is
received during the year. Similarly, the Strategic Income Fund and the Portfolio
each  must include in its  gross income securities it  receives as "interest" on
payment-in-kind  securities.  Because   each  Fund   annually  must   distribute
substantially  all of its  investment company taxable  income, including any OID
and other non-cash  income, to  satisfy the Distribution  Requirement and  avoid
imposition  of the Excise  Tax, either of  them may be  required in a particular
year to distribute as a dividend an amount that is greater than the total amount
of cash it actually receives (or, in the case of the High Income Fund, its share
of  the  total  amount   of  cash  the   Portfolio  actually  receives).   Those
distributions  will be made from the Fund's (or,  in the case of the High Income
Fund, its, or its share of the  Portfolio's) cash assets or, if necessary,  from
the  proceeds of sales of portfolio securities.  A Fund may (directly or through
the Portfolio) realize  capital gains or  losses from those  sales, which  would
increase  or decrease its  investment company taxable  income and/or net capital
gain.
 
TAXATION OF THE FUNDS' SHAREHOLDERS
Dividends and  other  distributions  declared  by a  Fund  in,  and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion  of the  dividends from  a Fund's  investment company  taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may not exceed the aggregate dividends  received by a Fund (directly or  through
the  Portfolio)  from  U.S.  corporations.  However,  dividends  received  by  a
corporate shareholder  and deducted  by it  pursuant to  the  dividends-received
deduction are subject indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be
 
                  Statement of Additional Information Page 35
<PAGE>
                             GT GLOBAL INCOME FUNDS
aware that  if shares  are purchased  shortly  before the  record date  for  any
dividend  or other  distribution, the  shareholder will  pay full  price for the
shares and receive some portion of the price back as a taxable distribution.
 
Dividends paid by a  Fund to a shareholder  who, as to the  United States, is  a
nonresident  alien individual, nonresident alien fiduciary of a trust or estate,
foreign corporation, or  foreign partnership  ("foreign shareholder")  generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding  will not apply, however, to a dividend  paid by a Fund to a foreign
shareholder that is "effectively connected with  the conduct of a U.S. trade  or
business,"  in which case the  reporting and withholding requirements applicable
to domestic taxpayers will apply. A distribution  of net capital gain by a  Fund
to  a foreign shareholder generally  will be subject to  U.S. federal income tax
(at the  rates applicable  to  domestic persons)  only  if the  distribution  is
"effectively  connected" or  the foreign  shareholder is  treated as  a resident
alien individual for federal income tax purposes.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting  the  Fund's, their  shareholders  and  the Portfolio.
Investors are  urged  to  consult  their own  tax  advisers  for  more  detailed
information  and for  information regarding any  foreign, state  and local taxes
applicable to distributions received from the Fund.
 
- --------------------------------------------------------------------------------
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
   
AIM was organized in 1976, and  along with its subsidiaries, manages or  advises
over  50 investment company portfolios encompassing  a broad range of investment
objectives. AIM is a direct, wholly owned  subsidiary of A I M Management  Group
Inc.  ("AIM  Management"),  a  holding  company that  has  been  engaged  in the
financial services  business since  1976. AIM  is the  sole shareholder  of  the
Funds'  principal underwriter, AIM  Distributors. AIM Management  is an indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England. AMVESCAP  PLC  and  its  subsidiaries  are  an  independent  investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide   asset  management  affiliates  also   currently  include  GT  Asset
Management PLC in  London, England; GT  Asset Management Ltd.  in Hong Kong;  GT
Asset  Management Ltd. in Tokyo; GT Asset  Management Pte. Ltd. in Singapore; GT
Asset Management Ltd. in Sydney; and GT Asset Management GmbH in Frankfurt.]
    
 
CUSTODIAN
State Street  Bank and  Trust  Company ("State  Street"), 225  Franklin  Street,
Boston,  MA 02110, acts as custodian of  each Fund's and the Portfolio's assets.
State Street is authorized to establish and has established separate accounts in
foreign currencies and to cause securities of the Funds and the Portfolio to  be
held  in separate accounts outside the United  States in the custody of non-U.S.
banks.
 
INDEPENDENT ACCOUNTANTS
   
The Funds' and the Portfolio's independent accountants are
                      ,   One   Post   Office    Square,   Boston   MA    02109.
                      ,  conducts  audits  of each  Fund's  and  the Portfolio's
financial  statements,  assists  in  the  preparation  of  the  Funds'  and  the
Portfolio's  federal and state income tax returns and consults with the Company,
the Funds and the Portfolio as to matters of accounting, regulatory filings, and
federal and state income taxation.
    
 
   
The audited financial statements of the Funds and the Portfolio included in this
Statement of Additional Information have been examined by
                      , as  stated in  their opinion  appearing herein  and  are
included  in reliance upon such opinion given upon the authority of that firm as
experts in accounting and auditing.
    
 
USE OF NAME
   
The Sub-adviser has granted  the Funds and  the Portfolio the  right to use  the
"GT" and "GT Global" names and has reserved the right to withdraw its consent to
the use of such names by the Company, the Funds and/or the Portfolio at any time
or to grant the use of such names to any other company.
    
 
                  Statement of Additional Information Page 36
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
   
Each Fund's "Standardized Returns," as referred to in the Prospectus (see "Other
Information  --  Performance  Information" in  the  Prospectus),  are calculated
separately for  Class A  and Advisor  Class  shares of  each Fund,  as  follows:
Standardized Return (average annual total return ("T")) is computed by using the
ending  redeeming value ("ERV")  of a hypothetical  initial investment of $1,000
("P") over  a  period of  years  ("n") according  to  the following  formula  as
required  by the SEC: P(1+T) to the (n)th power = ERV. The following assumptions
will be reflected in computations made in accordance with this formula: (1)  for
Class  A shares, deduction of the maximum  sales charge of 4.75% from the $1,000
initial investment; (2) reinvestment of dividends and other distributions at net
asset value  on the  reinvestment  date determined  by  the Company's  Board  of
Trustees; and (3) a complete redemption at the end of any period illustrated.
    
 
The  Standardized  Returns for  the  Class A  and  Advisor Class  shares  of the
Strategic Income  Fund,  stated as  average  annualized total  returns  for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                          STRATEGIC      STRATEGIC
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
Fiscal year ended Oct. 31, 1997.........    4.21%          9.86%
October 31, 1992 through Oct. 31,
 1997...................................   10.14%           n/a
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a          15.13%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......    9.01%           n/a
</TABLE>
 
The  Standardized  Returns for  the  Class A  and  Advisor Class  shares  of the
Government Income  Fund, stated  as  average annualized  total returns  for  the
periods shown, were:
 
<TABLE>
<CAPTION>
                                          GOVERNMENT     GOVERNMENT
                                            INCOME         INCOME
                                             FUND           FUND
PERIOD                                    (CLASS A)    (ADVISOR CLASS)
- ----------------------------------------  ----------   ---------------
<S>                                       <C>          <C>
Fiscal year ended Oct. 31, 1997.........   (0.20)%          5.15%
Oct. 31, 1992 through Oct. 31, 1997.....    5.34%            n/a
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a            5.55%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......    6.52%            n/a
</TABLE>
 
The  Standardized Returns for the  Class A and Advisor  Class shares of the High
Income Fund, stated as average annualized  total returns for the periods  shown,
were:
 
<TABLE>
<CAPTION>
                                            HIGH           HIGH
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
Fiscal year ended Oct. 31, 1997.........    9.03%         14.72%
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a          24.63%
Oct. 22, 1992 (commencement of
 operations) through Oct. 31, 1997......   15.85%           n/a
</TABLE>
 
NON-STANDARDIZED RETURNS
In   addition  to   Standardized  Returns,  each   Fund  also   may  include  in
advertisements, sales  literature and  shareholder  reports other  total  return
performance   data  ("Non-Standardized  Return").   Non-Standardized  Return  is
calculated separately for Class A and Advisor Class shares of each Fund and  may
be  calculated according to several different formulas. Non-Standardized Returns
may be quoted  for the  same or different  time periods  for which  Standardized
Returns  are quoted. Non-Standardized Returns may  or may not take sales charges
into account; performance  data calculated  without taking the  effect of  sales
charges  into account  will be  higher than  data including  the effect  of such
charges. Advisor Class are not subject to sales charges.
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to the following  formula: T =  (VOA/P)-1. Aggregate Non-Standardized
Return assumes reinvestment of dividends and other distributions.
 
                  Statement of Additional Information Page 37
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
The aggregate Non-Standardized Returns (not  taking sales charges into  account)
for the Class A and Advisor Class shares of the Strategic Income Fund, stated as
aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                          STRATEGIC      STRATEGIC
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......      n/a         40.60%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......   140.06%          n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class  shares of the Government Income Fund,  stated
as aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                          GOVERNMENT     GOVERNMENT
                                            INCOME         INCOME
                                             FUND           FUND
PERIOD                                    (CLASS A)    (ADVISOR CLASS)
- ----------------------------------------  ----------   ---------------
<S>                                       <C>          <C>
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......      n/a          13.96%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......    92.49%           n/a
</TABLE>
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class  A and Advisor  Class shares of  the High Income  Fund, stated  as
aggregate total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                            HIGH           HIGH
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a          70.35%
Oct. 22, 1992 (commencement of
 operations) through Oct. 31, 1997......  119.88%           n/a
</TABLE>
 
YIELD
Each  Fund may also include its current yield ("Yield") in advertisements, sales
literature and shareholder  reports. Yield, which  is calculated separately  for
Class  A, Class B and Advisor Class shares of each Fund, is computed by dividing
the difference between dividends and  interest earned during a one-month  period
("a")  and expenses accrued for the period  (net of reimbursements) ("b") by the
product of the average daily number of shares outstanding during the period that
were entitled to  receive dividends  ("c") and  the maximum  offering price  per
share  on the last day of the period ("d") according to the following formula as
required by the SEC:
 
<TABLE>
<S>       <C>  <C>  <C>     <C> <C>
                   a-b
YIELD =   2     [( --  + 1  )   (6)-1]
                   cd
</TABLE>
 
The Yields of the Class A shares of the Strategic Income Fund, Government Income
Fund and High Income Fund for the  one-month period ended October 31, 1996  were
6.58%,  6.23% and 7.29%, respectively.  The Yields of the  Class B shares of the
Strategic Income  Fund, Government  Income Fund  and High  Income Fund  for  the
one-month   period  ended  October  31,  1996   were  6.23%,  5.87%  and  7.00%,
respectively. The Yields  of the Advisor  Class shares of  the Strategic  Income
Fund, Government Income Fund and High Income Fund for the one-month period ended
October 31, 1996 were 7.27%, 6.74% and 8.04%, respectively.
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
Each  Fund and AIM Distributors may from  time to time, in advertisements, sales
literature and reports furnished to present or prospective shareholders, compare
the Funds with the following, among others:
    
 
        (1) The Consumer Price Index ("CPI"), which is a measure of the  average
    change  in prices over time  in a fixed market  basket of goods and services
    (e.g., food,  clothing, shelter,  fuels, transportation  fares, charges  for
    doctors' and dentists' services, prescription medicines, and other goods and
    services  that people  buy for day-to-day  living). There  is inflation risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2) Data and mutual fund rankings and comparisons published or  prepared
    by  Lipper  Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger
    Investment  Company   Services   ("CDA/Wiesenberger"),   Morningstar,   Inc.
    ("Morningstar"),  Micropal,  Inc. and/or  other  companies that  rank and/or
    compare mutual funds by overall performance, investment objectives,  assets,
    expense  levels, periods of existence and/or  other factors. In this regard,
    each Fund  may  be  compared to  its  "peer  group" as  defined  by  Lipper,
    CDA/Wiesenberger,  Morningstar  and/or  other  firms,  as  applicable  or to
    specific funds or  groups of  funds within or  outside of  such peer  group.
    Lipper  generally  ranks  funds  on  the  basis  of  total  return, assuming
    reinvestment of distributions, but does not take sales charges or redemption
    fees
 
                  Statement of Additional Information Page 38
<PAGE>
                             GT GLOBAL INCOME FUNDS
    into consideration, and is prepared  without regard to tax consequences.  In
    addition to the mutual fund rankings, the Fund's performance may be compared
    to  mutual fund  performance indices  prepared by  Lipper. Morningstar  is a
    mutual fund rating  service that  also rates mutual  funds on  the basis  of
    risk-adjusted  performance. Morningstar ratings are calculated from a fund's
    three, five  and  ten  year  average annual  returns  with  appropriate  fee
    adjustments and a risk factor that reflects fund performance relative to the
    three-month  U.S. Treasury bill monthly returns. Ten percent of the funds in
    an investment category receive five stars and 22.5% receive four stars.  The
    ratings are subject to change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    prices of 500 of the largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley  Capital International All  Country (AC) World  Index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2,500 different issuers,  located in 47 countries,  and
    grouped in 38 separate industries.
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE") provides  brief  reports on  most  of the  World  Bank's  borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunications companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval   service   for  information,   including   but  not   limited  to
    international financial and economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
       (17)  Various publications produced by  ratings agencies such as Moody's,
    S&P and Fitch.
 
       (18) Wilshire Associates, which is an on-line database for  international
    financial  and economic data including performance measures for a wide range
    of securities.
 
       (19) Bank Rate National Monitor Index, which is an average of the  quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20)  International  Finance  Corporation ("IFC")  Emerging  Markets Data
    Base, which  provides  detailed statistics  on  bond and  stock  markets  in
    developing countries.
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
                  Statement of Additional Information Page 39
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various  financial  organizations,  such  as  Salomon  Brothers,  Inc.,   Lehman
Brothers,  Merrill  Lynch,  Pierce,  Fenner &  Smith,  Inc.,  Financial Research
Corporation, J. P. Morgan, Morgan Stanley, Smith Barney Shearson, S.G.  Warburg,
Jardine  Flemming,  The Bank  for  International Settlements,  Asian Development
Bank, Bloomberg, L.P. and Ibbotson Associates may be used as well as information
reported by the  Federal Reserve  and the  respective Central  Banks of  various
nations. In addition, AIM Distributors may use performance rankings, ratings and
commentary  reported periodically in  national financial publications, including
Money Magazine, Mutual  Fund Magazine, Smart  Money, Global Finance,  EuroMoney,
Financial  World, Forbes, Fortune, Business Week, Latin Finance, The Wall Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's,  The  Financial Times,  USA Today,  The New  York Times  and Investors
Business Digest.  Each  Fund  may  compare its  performance  to  that  of  other
compilations  or indices of  comparable quality to those  listed above and other
indices that may be developed and made available in the future.
    
 
   
Information  relating  to   foreign  market   performance,  capitalization   and
diversification  is based on sources believed to  be reliable but may be subject
to revision  and  has  not been  independently  verified  by the  Funds  or  AIM
Distributors.  The  authors  and  publishers  of such  material  are  not  to be
considered as "experts" under the 1933 Act, on account of the inclusion of  such
information herein.
    
 
A  portion of the performance  figures for each market  includes the positive or
negative effects of the currency exchange rates effective at December 31 of each
year between the U.S. dollar and currency of the foreign market (e.g.,  Japanese
Yen,  German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that has
strengthened or weakened against the  U.S. dollar will positively or  negatively
affect the reported returns, as the case may be.
 
   
AIM  Distributors  believes that  this information  may  be useful  to investors
considering whether and to  what extent to  diversify their investments  through
the purchase of mutual funds investing in securities on a global basis. However,
this  data is not a representation of the  past performance of the Funds, nor is
it a prediction  of such performance.  The performance of  the Fund will  differ
from  the historical performance of relevant indices. The performance of indices
does not  take expenses  into account,  while the  Fund incurs  expenses in  its
operations,  which will reduce performance. Each of these factors will cause the
performance of the Fund to differ from relevant indices.
    
 
   
From time to time,  each Fund and  AIM Distributors may refer  to the number  of
shareholders  in the  Funds or  the aggregate number  of shareholders  in all GT
Global Mutual Funds or the dollar amount of each Fund's assets under  management
in advertising materials.
    
 
   
AIM  Distributors  believes the  GT Global  Income Funds  can be  an appropriate
investment for long-term investment goals, including funding retirement,  paying
for  education or purchasing  a house. AIM  Distributors may provide information
designed to  help  individuals understand  their  investment goals  and  explore
various financial strategies. For example, AIM Distributors may describe general
principles  of  investing, such  as asset  allocation, diversification  and risk
tolerance. The GT  Global Income Funds  do not represent  a complete  investment
program and the investors should consider the Funds as appropriate for a portion
of  their overall investment portfolio with regard to their long-term investment
goals. There is no  assurance that any such  information will lead to  achieving
these goals or guarantee future results.
    
 
   
From  time to time, AIM Distributors may refer to or advertise the names of U.S.
and non-U.S. companies and  their products, although there  can be no  assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets  is based  on  the returns  of  different
indices.
 
GT  Global Funds may  use the performance  of these capital  markets in order to
demonstrate  general   risk-versus-reward  investment   scenarios.   Performance
comparisons  may also include the  value of a hypothetical  investment in any of
these capital  markets. The  risks associated  with the  security types  in  any
capital  market  may or  may  not correspond  directly  to those  of  the Funds.
Ibbotson calculates total returns in the same method as the Funds.
 
Each Fund may quote  various measures of  volatility and benchmark  correlation,
such  as beta,  standard deviation and  R(2), in advertising.  In addition, each
Fund may compare these measures to those of other funds. Measures of  volatility
seek  to compare the Funds' historical  share price fluctuations or total return
to those of a benchmark.
 
Each Fund may advertise  examples of the effects  of periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a Fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low. While such a strategy does not assure a
 
                  Statement of Additional Information Page 40
<PAGE>
                             GT GLOBAL INCOME FUNDS
profit  or guard against loss in a declining market, the investor's average cost
per share can be lower than if fixed numbers of shares are purchased at the same
intervals. In evaluating such a plan, investors should consider their ability to
continue purchasing shares through periods of low price levels.
 
Each Fund may describe in its sales material and advertisements how an  investor
may  invest in GT Global Mutual Funds  through various retirement plans or other
programs that offer deferral of income taxes on investment earnings and pursuant
to which  an  investor  may  make deductible  contributions.  Because  of  their
advantages,  these retirement plans and programs may produce returns superior to
comparable non-retirement investments. For example, a $10,000 investment earning
a taxable return of 10% annually would have an after-tax value of $17,976  after
ten  years, assuming tax was deducted from the return each year at a 39.6% rate.
An equivalent tax-deferred investment would  have an after-tax value of  $19,626
after  ten years, assuming  tax was deducted  at a 39.6%  rate from the deferred
earnings  at  the   end  of  the   ten-year  period.  In   sales  material   and
advertisements,  the  Fund  may  also  discuss  these  plans  and  programs. See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM Distributors may  from time  to time in  its sales  methods and  advertising
discuss  the risks inherent in investing. The major types of investment risk are
market risk, industry risk, credit risk, interest rate risk, liquidity risk  and
inflation risk. Risk represents the possibility that you may lose some or all of
your investment over a period of time. A basic tenet of investing is the greater
the potential reward, the greater the risk.
    
 
   
From  time  to  time, the  Funds  and  AIM Distributors  will  quote information
regarding industries, individual countries, regions, world stock exchanges,  and
economic   and  demographic  statistics  from  sources  AIM  Distributors  deems
reliable, including the economic and financial data of financial  organizations,
such as:
    
 
 1) Stock  market  capitalization:  Morgan Stanley  Capital  International World
    Indices, IFC and Datastream.
 
 2) Stock market  trading volume:  Morgan  Stanley Capital  International  World
    Indices and IFC.
 
 3) The  number  of listed  companies: IFC,  GT Guide  to World  Equity Markets,
    Salomon Brothers, Inc. and S.G. Warburg.
 
 4) Wage rates: U.S. Department of  Labor Statistics and Morgan Stanley  Capital
    International World Indices.
 
 5) International  industry  performance: Morgan  Stanley  Capital International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock  market  performance:  Morgan  Stanley  Capital  International   World
    Indices, IFC and Datastream.
 
 7) The  Consumer Price Index and inflation rate: The World Bank, Datastream and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry, or market: IFC, GT Guide to  World
    Equity Markets, Salomon Brothers, Inc. and S.G. Warburg.
 
15) Foreign  direct  investments to  developing  countries: The  World  Bank and
    Datastream.
 
16) Supply, consumption,  demand  and  growth in  demand  of  certain  products,
    services  and industries, including, but  not limited to electricity, water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources of such information may include,  but would not be limited to,  The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard  deviation and performance returns for U.S. and non-U.S. equity and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries restructuring their  debt, including those  under the Brady  Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
                  Statement of Additional Information Page 41
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
20) Government  and corporate  bonds --  credit ratings,  yield to  maturity and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From time to time, AIM Distributors may include in its advertisements and  sales
material,   information  about  privatization,  which  is  an  economic  process
involving the sale of state-owned companies to the private sector.
    
 
   
In advertising and sales  materials, AIM Distributors may  make reference to  or
discuss  its products, services and accomplishments. Among these accomplishments
are that in 1983 the Sub-adviser  provided assistance to the government of  Hong
Kong  in  linking its  currency to  the U.S.  dollar, and  that in  1987 Japan's
Ministry of  Finance licensed  GT Asset  Management  Ltd. as  one of  the  first
foreign   discretionary  investment   managers  for   Japanese  investors.  Such
accomplishments, however,  should  not  be  viewed  as  an  endorsement  of  the
Sub-adviser  by the government of Hong Kong,  Japan's Ministry of Finance or any
other government or government  agency. Nor do any  such accomplishments of  the
Sub-adviser  provide any assurance  that the GT  Global Mutual Funds' investment
objectives will be achieved.
    
 
   
[GT GLOBAL ADVANTAGE
    
As part of Liechtenstein Global Trust,  GT Global continues a 75-year  tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine offices  worldwide,  we  witness world  events  and  economic  developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The  key to achieving  consistent results is  following a disciplined investment
process. Our  approach  to  asset  allocation takes  advantage  of  GT  Global's
worldwide   presence  and  global  perspective.  Our  "macroeconomic"  worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up process  of  security  selection combines  fundamental  research  with
quantitative analysis through our proprietary models.
 
Built-in  checks  and balances  strengthen  the process,  enhancing professional
experience and judgment with an  objective assessment of risk. Ultimately,  each
security  we select has passed  a ranking system that  helps our portfolio teams
determine when to buy and when to  sell. With respect to stocks, a global  stock
research  ("GSR") database developed  by GT Global is  utilized in the selection
process. All stocks  within the GSR  database are systematically  ranked by  our
analysts  on a  1-5 basis  with 1 representing  the most  favored. The rankings,
along with our  quantitative, fundamental research,  determine which stocks  are
bought and sold.
 
GT  Global describes the major stages of  economic development as revolving in a
"virtuous cycle." From time  to time, each  Fund and GT  Global may discuss  the
virtuous  cycle in  its sales  literature and  advertising. This  cycle operates
worldwide,  forcing  companies   to  become  increasingly   competitive  in   an
ever-expanding  global  marketplace.  GT  Global  has  identified  the following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL  FLOWS FROM  DEVELOPED MARKETS  TO EMERGING  MARKETS: As  barriers fall,
restrictions on the free movement of capital  in and out of a country are  often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED  DEMAND FOR  GLOBAL CONSUMER PRODUCTS:  As people  in emerging markets
experience rising standards of living  due to increased industrialization,  they
demand more consumer products which can help spur global trade flows.
 
GT  Global believes that we  increasingly live in a  world without boundaries in
terms of trade, competition and  investment opportunities. Therefore, GT  Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings,  or themes,  as an alternative  to the traditional,  primary focus on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.
 
ECONOMIC DEVELOPMENT IN EMERGING MARKETS
   
The Sub-adviser has identified  six phases to track  the progress of  developing
economies.
    
 
                  Statement of Additional Information Page 42
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
In addition, the Sub-adviser focuses on the transitions between each phase:
    
 
    BETWEEN  PHASES 1 & 2, STABILIZATION:  Developing nations recognize the need
for economic reform and launch initiatives to stabilize their economies. Typical
measures  might  include  initiating  monetary  reforms  to  contain  inflation,
controlling government spending, and addressing external trade imbalances.
 
    BETWEEN  PHASES 2 & 3, RENOVATION:  Economic development gathers momentum as
the  governments  of   developing  nations  take   further  steps  to   increase
productivity and external competitiveness. Typical reforms include easing market
regulations,  privatizing  state-owned industries,  lowering trade  barriers and
reforming the national tax structure.
 
   
    BETWEEN PHASES  3 &  4, NEW  CONSTRUCTION: As  economic reforms  take  hold,
infrastructure  improvements  are  needed to  facilitate  and  support long-term
growth. The construction and upgrading of highways and airports,  communications
and  utility systems  generally require  financing in  the form  of public debt.
Similarly, as  the private  sector develops,  bolstered by  new  privatizations,
corporate debt securities typically are issued to finance business expansion.]
    
 
EMERGING MARKET TRADING VOLUME
The annual trading volume of debt securities from developing economies according
to  Salomon Brothers, Inc. has grown from $90 billion in 1990 to $150 billion in
1991 to $400 billion in 1992 and was  estimated to be $1,200 billion at the  end
of 1993 and $1.5 trillion at the end of 1994, respectively.
 
- --------------------------------------------------------------------------------
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
                  Statement of Additional Information Page 43
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which  are rated C  are the lowest  rated class of  bonds,and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
         1. An application for rating was not received or accepted.
 
         2. The issue or  issuer belongs to a  group of securities or  companies
    that are not rated as a matter of policy.
 
         3. There is a lack of essential data pertaining to the issue or issuer.
 
         4.  The issue  was privately  placed, in which  case the  rating is not
    published in Moody's publications.
 
Suspension or withdrawal may occur if new and material circumstances arise,  the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable  up-to-date data  to permit  a judgment  to be  formed; if  a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies numerical  modifiers, 1, 2, and  3 in each generic  rating
classification  from Aa to Caa. The modifier  1 indicates that the Company ranks
in the higher end  of its generic  rating category; the  modifier 2 indicates  a
mid-range  ranking; and the modifier  3 indicates that the  Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a  division of The  McGraw-Hill Companies, Inc.  ("S&P"),
rates  the securities debt of various  entities in categories ranging from "AAA"
to "D"  according  to quality.  Investment  grade  ratings are  the  first  four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
                  Statement of Additional Information Page 44
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
NR:  Indicates that  no rating  has been  requested, that  there is insufficient
information on which to base  a rating, or that S&P  does not rate a  particular
type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates  of return on  funds employed; conservative  capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in  earnings
coverage  of  fixed financial  charges and  high  internal cash  generation; and
well-established access to a range of  financial markets and assured sources  of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior  short-term debt obligations. This normally  will be evidenced by many of
the characteristics cited  above but  to a  lesser degree.  Earnings trends  and
coverage  ratios, while sound, may be  more subject to variation. Capitalization
characteristics, while  still  appropriate, may  be  more affected  by  external
conditions. Ample alternate liquidity is maintained.
 
    S&P  ratings of commercial paper are  graded into several categories ranging
from "A1" for the highest quality obligations  to "D" for the lowest. Issues  in
the  "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate the
relative degree  of safety.  A-1 --  This highest  category indicates  that  the
degree  of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation.  A-2  -- Capacity  for  timely  payments on  issues  with  this
designation  is satisfactory; however,  the relative degree of  safety is not as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
 
   
To be filed.
    
 
                  Statement of Additional Information Page 45
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity for U.S. investors by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of U.S. companies believed to be undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Invests in global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in a portfolio of emerging market debt securities
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY  G.T.
  INVESTMENT  FUNDS,  GT GLOBAL  GOVERNMENT INCOME  FUND, GT  GLOBAL STRATEGIC
  INCOME FUND, GT GLOBAL HIGH INCOME FUND, GLOBAL HIGH INCOME PORTFOLIO, A I M
  ADVISORS,  INC.,  [CHANCELLOR  LGT  ASSET   MANAGEMENT,  INC.]  OR  A  I   M
  DISTRIBUTORS,  INC.  THIS  STATEMENT  OF  ADDITIONAL  INFORMATION  DOES  NOT
  CONSTITUTE AN OFFER TO SELL OR SOLICITATION  OF ANY OFFER TO BUY ANY OF  THE
  SECURITIES  OFFERED HEREBY IN ANY  JURISDICTION TO ANY PERSON  TO WHOM IT IS
  UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
    
 
                                                                      INCSX703MC
<PAGE>
                               GT GLOBAL GROWTH &
                           INCOME FUND: ADVISOR CLASS
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
    
 
   
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  Statement of Additional Information relates to the Advisor Class shares of
GT Global Growth and Income Fund ("Fund"). The Fund is a non-diversified  series
of  G.T.  Investment Funds  (the  "Company"), a  registered  open-end management
investment company. This  Statement of  Additional Information, which  is not  a
prospectus,  supplements  and  should be  read  in conjunction  with  the Fund's
current Advisor  Class  Prospectus  dated June  1,  1998,  a copy  of  which  is
available  without charge by writing to the above address or by calling the Fund
at the toll-free telephone number listed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator   for,   and   [Chancellor  GT   Asset   Management,   Inc.]  (the
"Sub-adviser") serves as  the investment sub-adviser  and sub-administrator  for
the Fund. The distributor of the Fund's shares is A I M Distributors, Inc. ("AIM
Distributors").  The Fund's transfer agent is  GT Global Investor Services, Inc.
("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objective and Policies........................................................................................      2
Options, Futures and Currency Strategies.................................................................................      5
Risk Factors.............................................................................................................     13
Investment Limitations...................................................................................................     18
Execution of Portfolio Transactions......................................................................................     19
Trustees and Executive Officers..........................................................................................     21
Management...............................................................................................................     23
Valuation of Fund Shares.................................................................................................     24
Information Relating to Sales and Redemptions............................................................................     25
Taxes....................................................................................................................     27
Additional Information...................................................................................................     29
Investment Results.......................................................................................................     30
Description of Debt Ratings..............................................................................................     35
Financial Statements.....................................................................................................     37
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                            INVESTMENT OBJECTIVE AND
                                    POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVE
The  investment objective of the Fund is long-term capital appreciation together
with current  income. The  Fund seeks  its objective  by investing  in a  global
portfolio of both equity securities and debt obligations allocated among diverse
international markets.
 
SELECTION OF EQUITY INVESTMENTS
   
For  investment  purposes, an  issuer is  typically considered  as located  in a
particular country  if it  (a) is  incorporated under  the laws  of or  has  its
principal  office in that country, or (b) it normally derives 50% or more of its
total revenue from  business in that  country. However, these  are not  absolute
requirements,  and certain  companies incorporated  in a  particular country and
considered by the Sub-adviser to be located in that country may have substantial
off-shore operations or subsidiaries and/or  export sales exceeding in size  the
assets or sales in that country.
    
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
The  Fund  may  invest  in the  securities  of  investment  companies (including
investment vehicles or companies  advised by the  Sub-adviser or its  affiliates
("Affiliated  Funds")) within the limits of  the Investment Company Act of 1940,
as amended ("1940 Act"). These  limitations currently provide that, in  general,
the  Fund may purchase shares of a closed-end investment company unless (a) such
a purchase would cause the Fund to own  in the aggregate more than 3 percent  of
the  total outstanding  voting stock  of the  investment company  or (b)  such a
purchase would cause the Fund  to have more than 5  percent of its total  assets
invested  in the investment company or more  than 10 percent of its total assets
invested in an aggregate  of all such investment  companies. Investment in  such
investment  companies may also involve the payment of substantial premiums above
the value of such companies' portfolio  securities. The Fund does not intend  to
invest  in such investment companies unless, in the judgment of the Sub-adviser,
the potential benefits of such investments justify the payment of any applicable
premiums. The return on such securities will be reduced by operating expenses of
such companies including payments to the investment managers of those investment
companies. With  respect to  investments in  Affiliated Funds,  the  Sub-adviser
waives  its advisory fee to the extent that such fees are based on assets of the
Fund invested in Affiliated Funds.
    
 
DEPOSITORY RECEIPTS
The Fund may hold equity securities of  foreign issuers in the form of  American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs"), or other
securities convertible into securities of eligible issuers. These securities may
not necessarily be denominated in the same currency as the securities for  which
they may be exchanged. ADRs and ADSs typically are issued by an American bank or
trust  company  and  evidence ownership  of  underlying securities  issued  by a
foreign corporation.  EDRs,  which  are sometimes  referred  to  as  Continental
Depository  Receipts ("CDRs"), are  issued in Europe  typically by foreign banks
and trust  companies  and  evidence  ownership of  either  foreign  or  domestic
securities.  GDRs  are similar  to  EDRs and  are  designed for  use  in several
international financial markets. Generally, ADRs and ADSs in registered form are
designed for use in United States securities markets and EDRs in bearer form are
designed for use  in European  securities markets.  For purposes  of the  Fund's
investment policies, the Fund's investments in ADRs, ADSs, GDRs and EDRs will be
deemed  to be  investments in the  equity securities  representing securities of
foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass-through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally the same manner as
 
                   Statement of Additional Information Page 2
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
unsponsored facilities,  except  that the  issuer  of the  deposited  securities
enters  into a deposit agreement with the depository. The deposit agreement sets
out the rights and  responsibilities of the issuer,  the depository and the  ADR
holders.  With  sponsored facilities,  the  issuer of  the  deposited securities
generally will bear some of the costs relating to the facility (such as dividend
payment fees of the depository), although  ADR holders continue to bear  certain
other  costs (such  as deposit  and withdrawal  fees). Under  the terms  of most
sponsored arrangements, depositories agree to distribute notices of  shareholder
meetings  and voting instructions, and to provide shareholder communications and
other information  to the  ADR  holders at  the request  of  the issuer  of  the
deposited  securities. The  Fund may  invest in  both sponsored  and unsponsored
ADRs.
 
WARRANTS OR RIGHTS
Warrants or  rights  may  be acquired  by  the  Fund in  connection  with  other
securities  or separately and provide  the Fund with the  right to purchase at a
later date other securities of the issuer.
 
LENDING OF PORTFOLIO SECURITIES
   
For the purpose of realizing additional income, the Fund may make secured  loans
of  portfolio securities  amounting to  not more than  30% of  its total assets.
Securities loans are made to broker/dealers or institutional investors  pursuant
to  agreements requiring that the loans continuously be secured by collateral at
least equal at all times  to the value of the  securities lent plus any  accrued
interest,  "marked to  market" on  a daily  basis. The  Fund may  pay reasonable
administrative and custodial fees  in connection with  loans of its  securities.
While  the securities loan is outstanding, the Fund will continue to receive the
equivalent of the interest or dividends paid by the issuer on the securities, as
well as interest on the investment of the collateral or a fee from the borrower.
The Fund will have a  right to call each loan  and obtain the securities  within
the  stated settlement period. The  Fund will not have  the right to vote equity
securities while they are lent, but it may call in a loan in anticipation of any
important vote. Loans will be made only to firms deemed by the Sub-adviser to be
of good  standing  and  will  not  be  made  unless,  in  the  judgment  of  the
Sub-adviser,  the consideration to  be earned from such  loans would justify the
risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For the  purposes  of  the  Fund's investment  policies  with  respect  to  bank
obligations,  obligations of foreign branches of U.S. banks and of foreign banks
are obligations of the issuing bank and may be general obligations of the parent
bank. Such  obligations, however,  may be  limited by  the terms  of a  specific
obligation  and  by  government  regulation.  As  with  investment  in  non-U.S.
securities in general,  investments in  the obligations of  foreign branches  of
U.S.  banks and of foreign  banks may subject the  Fund to investment risks that
are different  in some  respects from  those of  investments in  obligations  of
domestic  issuers. Although the  Fund typically will  acquire obligations issued
and supported by the credit of U.S. or foreign banks having total assets at  the
time  of purchase  in excess  of $1 billion,  this $1  billion figure  is not an
investment policy or restriction  of the Fund. For  the purposes of  calculation
with  respect to the $1 billion  figure, the assets of a  bank will be deemed to
include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A repurchase agreement is a transaction  in which the Fund purchases a  security
from a bank or recognized securities dealer and simultaneously commits to resell
that  security to the bank  or dealer at an agreed  upon price, date, and market
rate of  interest unrelated  to the  coupon rate  or maturity  of the  purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to  the repurchase  agreement becomes bankrupt,  the Fund intends  to enter into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present minimum credit risks  in accordance with  guidelines established by  the
Company's  Board  of  Trustees.  The Sub-adviser  will  review  and  monitor the
creditworthiness of such institutions under the Board's general supervision.
    
 
The Fund will invest only in  repurchase agreements collateralized at all  times
in  an amount at least  equal to the repurchase  price plus accrued interest. To
the extent that the proceeds from any sale of such collateral upon a default  in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer  a loss. If  the financial institution  which is party  to the repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other liquidation proceedings, there may  be restrictions on the Fund's  ability
to  sell the collateral and the Fund  could suffer a loss. However, with respect
to financial  institutions  whose  bankruptcy  or  liquidation  proceedings  are
subject  to the U.S. Bankruptcy Code, the Fund intends to comply with provisions
under the U.S.  Bankruptcy Code that  would allow it  immediately to resell  the
collateral.  There is no limitation on the  amount of the Fund's assets that may
be subject to repurchase agreements at any  given time. The Fund will not  enter
into  a repurchase agreement  with a maturity of  more than seven  days if, as a
result, more than 10% of the value of  its net assets would be invested in  such
repurchase agreements and other illiquid investments.
 
                   Statement of Additional Information Page 3
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
The  Fund's borrowings will not exceed 33 1/3% of the Fund's total assets, i.e.,
the Fund's total assets at all times will  equal at least 300% of the amount  of
outstanding  borrowings.  If  market fluctuations  in  the value  of  the Fund's
portfolio holdings or other factors cause  the ratio of the Fund's total  assets
to  outstanding  borrowings to  fall below  300%,  within three  days (excluding
Sundays and holidays) of such event the  Fund may be required to sell  portfolio
securities  to restore the  300% asset coverage, even  though from an investment
standpoint such sales might be disadvantageous.  The Fund also may borrow up  to
5%  of its total assets  for temporary or emergency  purposes other than to meet
redemptions. Any borrowing  by the  Fund may  cause greater  fluctuation in  the
value of its shares than would be the case if the Fund did not borrow.
 
   
The  Fund's fundamental investment  limitations permit the  Fund to borrow money
for leveraging purposes. The Fund, however, currently is prohibited, pursuant to
a non-fundamental investment policy, from  borrowing money in order to  purchase
securities.  Nevertheless, this policy may be changed in the future by a vote of
a majority of the Company's Board of  Trustees. If the Fund employs leverage  in
the  future, it would  be subject to  certain additional risks.  Use of leverage
creates an opportunity for  greater growth of capital  but would exaggerate  any
increases  or decreases in the Fund's net asset value. When the income and gains
on securities purchased with the proceeds of borrowings exceed the costs of such
borrowings, the Fund's  earnings or net  asset value will  increase faster  than
otherwise would be the case; conversely, if such income and gains fail to exceed
such  costs, the Fund's  earnings or net  asset value would  decline faster than
would otherwise be the case.
    
 
   
The Fund  may enter  into reverse  repurchase agreements.  A reverse  repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security  to another party, such as a  bank or broker/dealer in return for cash,
and agrees to repurchase  the security in  the future at  an agreed upon  price,
which  includes  an  interest component.  The  Fund  also may  engage  in "roll"
borrowing transactions  which involve  the Fund's  sale of  Government  National
Mortgage Association certificates or other securities together with a commitment
(for  which the Fund may receive a  fee) to purchase similar, but not identical,
securities at a future date. The Fund  will segregate with a custodian, cash  or
liquid  securities in an amount sufficient to cover its obligations under "roll"
transactions  and  reverse  repurchase  agreements  with  broker/  dealers.   No
segregation is required for reverse repurchase agreements with banks.
    
 
SHORT SALES
The  Fund  may  make short  sales  of  securities, although  it  has  no current
intention of doing so. A short sale is  a transaction in which the Fund sells  a
security  in anticipation that  the market price of  that security will decline.
The Fund may  make short  sales (i)  as a form  of hedging  to offset  potential
declines  in long positions in securities it owns, or anticipates acquiring, and
(ii) in order to  maintain portfolio flexibility. The  Fund may only make  short
sales "against the box." In this type of short sale, at the time of the sale the
Fund  owns the security it has sold short or has the immediate and unconditional
right to acquire the identical security at no additional cost.
 
In a short sale, the seller does not immediately deliver the securities sold and
does not receive the proceeds from the sale. To make delivery to the  purchaser,
the  executing broker borrows the  securities being sold short  on behalf of the
seller. The seller is said to have a short position in the securities sold until
it delivers the securities sold, at which  time it receives the proceeds of  the
sale.  To secure its obligation to deliver  securities sold short, the Fund will
deposit in  a  separate  account with  its  custodian  an equal  amount  of  the
securities  sold short or  securities convertible into  or exchangeable for such
securities at no cost. The Fund could  close out a short position by  purchasing
and  delivering an  equal amount  of the securities  sold short,  rather than by
delivering securities already held by the  Fund, because the Fund might want  to
continue  to  receive  interest  and  dividend  payments  on  securities  in its
portfolio that are convertible into the securities sold short.
 
   
The Fund might make  a short sale  "against the box" in  order to hedge  against
market  risks when  the Sub-adviser  believes that the  price of  a security may
decline, causing a decline  in the value of  a security owned by  the Fund or  a
security  convertible into or exchangeable for  such security. In such case, any
future losses in the  Fund's long position  should be reduced by  a gain in  the
short position. Conversely, any gain in the long position should be reduced by a
loss in the short position. The extent to which such gains or losses in the long
position  are reduced will depend  upon the amount of  the securities sold short
relative to  the amount  of the  securities the  Fund owns,  either directly  or
indirectly, and, in the case where the Fund owns convertible securities, changes
in  the investment values or conversion  premiums of such securities. There will
be certain additional transaction costs associated with short sales "against the
box," but the  Fund will endeavor  to offset  these costs with  income from  the
investment of the cash proceeds of short sales.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The  use of options, futures contracts  and forward currency contracts ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1) Successful  use  of  most  of these  instruments  depends  upon  the
    Sub-adviser's  ability to  predict movements  of the  overall securities and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the use of these instruments, there can be no assurance that any  particular
    strategy adopted will succeed.
    
 
        (2)  There  might  be  imperfect correlation,  or  even  no correlation,
    between price  movements  of  an  instrument  and  price  movements  of  the
    investments being hedged. For example, if the value of an instrument used in
    a  short hedge  increased by less  than the  decline in value  of the hedged
    investment, the  hedge  would  not  be fully  successful.  Such  a  lack  of
    correlation  might  occur  due to  factors  unrelated  to the  value  of the
    investments being  hedged, such  as speculative  or other  pressures on  the
    markets  in which  the hedging  instrument is  traded. The  effectiveness of
    hedges using hedging  instruments on indices  will depend on  the degree  of
    correlation  between price movements in the index and price movements in the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or partially offsetting the negative  effect of unfavorable price  movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity  for gain by  offsetting the positive  effect of favorable price
    movements in the hedged investments. For  example, if a Fund entered into  a
    short  hedge because the Sub-adviser  projected a decline in  the price of a
    security in the Fund's portfolio, and  the price of that security  increased
    instead,  the gain from that increase might be wholly or partially offset by
    a decline in the price of the hedging instrument. Moreover, if the price  of
    the  hedging instrument declined by  more than the increase  in the price of
    the security, the Fund could  suffer a loss. In  either such case, the  Fund
    would have been in a better position had it not hedged at all.
    
 
        (4)  As described below, a Fund might  be required to maintain assets as
    "cover," maintain segregated accounts or make margin payments when it  takes
    positions  in  instruments  involving obligations  to  third  parties (I.E.,
    instruments other than purchased options). If the Fund were unable to  close
    out  its positions in such instruments, it  might be required to continue to
    maintain such assets or  accounts or make such  payments until the  position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a  disadvantageous time. The  Fund's ability to  close out a  position in an
    instrument prior to  expiration or maturity  depends on the  existence of  a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness  of the other party to the transaction ("contra party") to enter
    into a  transaction  closing  out  the  position.  Therefore,  there  is  no
    assurance  that any position can  be closed out at a  time and price that is
    favorable to the Fund.
 
WRITING CALL OPTIONS
   
The Fund may write  (sell) call options on  securities, indices and  currencies.
Call options generally will be written on securities and currencies that, in the
opinion of the Sub-adviser are not expected to make any major price moves in the
near  future  but  that,  over  the  long  term,  are  deemed  to  be attractive
investments for the Fund.
    
 
A call option  gives the  holder (buyer)  the right  to purchase  a security  or
currency  at a specified price (the exercise  price) at any time until (American
style) or on (European style) a certain  date (the expiration date). So long  as
the  obligation of the writer of a call  option continues, he may be assigned an
exercise notice, requiring him  to deliver the  underlying security or  currency
against  payment  of the  exercise price.  This  obligation terminates  upon the
expiration of the call option, or such earlier time at which the writer  effects
a  closing  purchase  transaction  by purchasing  an  option  identical  to that
previously sold.
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on the basis of  investment considerations consistent with the
Fund's investment objective. When writing a call option, the Fund, in return for
the
 
                   Statement of Additional Information Page 5
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
premium, gives  up the  opportunity for  profit  from a  price increase  in  the
underlying  security or currency above the  exercise price, and retains the risk
of loss should the  price of the  security or currency  decline. Unlike one  who
owns  securities or currencies not subject to an option, the Fund has no control
over when it may  be required to sell  the underlying securities or  currencies,
since  most  options  may  be  exercised  at  any  time  prior  to  the option's
expiration. If a call option  that the Fund has  written expires, the Fund  will
realize a gain in the amount of the premium; however, such gain may be offset by
a  decline in the market value of the underlying security or currency during the
option period. If the call option is exercised, the Fund will realize a gain  or
loss  from  the sale  of  the underlying  security  or currency,  which  will be
increased or  offset by  the premium  received.  The Fund  does not  consider  a
security  or currency covered by  a call option to be  "pledged" as that term is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing call options can serve as a limited short hedge because declines in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
appreciates to a price higher than the exercise price of the call option, it can
be  expected that the option  will be exercised and a  Fund will be obligated to
sell the security or currency at less than its market value.
 
   
The premium  that the  Fund receives  for writing  a call  option is  deemed  to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of  the underlying  investment, the relationship  of the exercise  price to such
market price, the historical price volatility of the underlying investment,  and
the length of the option period. In determining whether a particular call option
should  be  written, the  Sub-adviser will  consider  the reasonableness  of the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing transactions  will  be effected  in  order to  realize  a profit  on  an
outstanding  call option,  to prevent  an underlying  security or  currency from
being called, or  to permit  the sale of  the underlying  security or  currency.
Furthermore,  effecting  a closing  transaction will  permit  the Fund  to write
another call  option  on the  underlying  security  or currency  with  either  a
different exercise price, expiration date or both.
 
The  Fund will pay transaction  costs in connection with  the writing of options
and in entering into closing  purchase contracts. Transaction costs relating  to
options  activity normally  are higher  than those  applicable to  purchases and
sales of portfolio securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market values of the underlying securities or currencies at the time the options
are  written. From time to time, the Fund may purchase an underlying security or
currency for delivery in accordance with the exercise of an option, rather  than
delivering  such  security  or  currency  from  its  portfolio.  In  such cases,
additional costs will be incurred.
 
The Fund will realize a  profit or loss from  a closing purchase transaction  if
the  cost of  the transaction  is less or  more, respectively,  than the premium
received from writing  the option. Because  increases in the  market price of  a
call  option  generally  will  reflect  increases in  the  market  price  of the
underlying security or  currency, any loss  resulting from the  repurchase of  a
call  option is likely to be  offset in whole or in  part by appreciation of the
underlying security or currency owned by the Fund.
 
WRITING PUT OPTIONS
The Fund may  write put  options on securities,  indices and  currencies. A  put
option  gives the  purchaser of  the option  the right  to sell,  and the writer
(seller) the  obligation to  buy, the  underlying security  or currency  at  the
exercise  price at any  time until (American  style) or on  (European style) the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is substantially identical to that of call options.
 
   
The  Fund  generally  would  write  put  options  in  circumstances  where   the
Sub-adviser  wishes  to purchase  the underlying  security  or currency  for the
Fund's portfolio at a price lower than the current market price of the  security
or  currency. In such  event, the Fund would  write a put  option at an exercise
price that, reduced by  the premium received on  the option, reflects the  lower
price  it is willing to pay. Since the  Fund also would receive interest on debt
securities or currencies maintained to cover  the exercise price of the  option,
this  technique could be used to enhance current return during periods of market
uncertainty. The risk in such  a transaction would be  that the market price  of
the  underlying security or currency would decline below the exercise price less
the premium received.
    
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put option will be exercised and the Fund will be obligated
to purchase the security or currency at more than its market value.
 
                   Statement of Additional Information Page 6
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
PURCHASING PUT OPTIONS
The Fund may purchase put options on securities, indices and currencies. As  the
holder  of a put  option, the Fund would  have the right  to sell the underlying
security or currency at the exercise  price any any time until (American  style)
or  (European style) the expiration  date. The Fund may  enter into closing sale
transactions with  respect to  such options,  exercise them  or permit  them  to
expire.
 
The  Fund  may purchase  a  put option  on  an underlying  security  or currency
("protective put") owned by the Fund  to protect against an anticipated  decline
in the value of the security or currency. Such hedge protection is provided only
during  the life  of the  put option  when the  Fund, as  the holder  of the put
option, is able to sell the underlying security or currency at the put  exercise
price  regardless of  any decline in  the underlying security's  market price or
currency's exchange  value.  The  premium  paid  for  the  put  option  and  any
transaction  costs would reduce any  profit otherwise available for distribution
when the security or currency is eventually sold.
 
The Fund also may purchase put options at a time when the Fund does not own  the
underlying  security or  currency. By  purchasing put  options on  a security or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it has remaining value, and  if the market price  of the underlying security  or
currency  remains equal to or greater than the exercise price during the life of
the put option, the Fund will lose  its entire investment in the put option.  In
order for the purchase of a put option to be profitable, the market price of the
underlying  security or  currency must  decline sufficiently  below the exercise
price to cover the premium and transaction costs, unless the put option is  sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options on securities, indices and currencies. As the
holder  of  a  call  option, the  Fund  would  have the  right  to  purchase the
underlying security  or  currency  at  the exercise  price  at  any  time  until
(American  style) or  (European style) the  expiration date. The  Fund may enter
into closing sale transactions  with respect to such  options, exercise them  or
permit them to expire.
 
Call  options may  be purchased  by the  Fund for  the purpose  of acquiring the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase of  call options  would enable  the  Fund to  acquire the  security  or
currency  at the  exercise price of  the call  option plus the  premium paid. At
times, the net cost of acquiring the security or currency in this manner may  be
less  than  the  cost  of  acquiring the  security  or  currency  directly. This
technique also  may  be useful  to  the Fund  in  purchasing a  large  block  of
securities  that would be more difficult  to acquire by direct market purchases.
So long as it holds such a  call option, rather than the underlying security  or
currency  itself, the Fund is partially protected from any unexpected decline in
the market price  of the  underlying security or  currency and,  in such  event,
could  allow the call option  to expire, incurring a loss  only to the extent of
the premium paid for the option.
 
The Fund also may purchase call  options on underlying securities or  currencies
it  owns  to avoid  realizing losses  that would  result in  a reduction  of its
current return. For  example, where the  Fund has  written a call  option on  an
underlying security or currency having a current market value below the price at
which  it purchased the  security or currency,  an increase in  the market price
could result in  the exercise of  the call option  written by the  Fund and  the
realization  of a loss on the  underlying security or currency. Accordingly, the
Fund could purchase a call option  on the same underlying security or  currency,
which  could be exercised  to fulfill the Fund's  delivery obligations under its
written call (if it is exercised). This  strategy could allow the Fund to  avoid
selling  the portfolio security or currency at  a time when it has an unrealized
loss; however, the Fund would have to pay a premium to purchase the call  option
plus transaction costs.
 
Aggregate  premiums paid  for put  and call  options will  not exceed  5% of the
Fund's total assets at the time of purchase.
 
The Fund may attempt to accomplish objectives similar to those involved in using
Forward Contracts by purchasing put or call options on currencies. A put  option
gives  the  Fund as  purchaser  the right  (but not  the  obligation) to  sell a
specified amount of currency at the  exercise price at any time until  (American
style)  or on (European style) the expiration date. A call option gives the Fund
as purchaser the right (but not  the obligation) to purchase a specified  amount
of  currency at  the exercise  price at  any time  until (American  style) or on
(European style) the  expiration date. The  Fund might purchase  a currency  put
option,  for example, to protect itself against a decline in the dollar value of
a currency  in  which  it  holds  or  anticipates  holding  securities.  If  the
currency's  value should decline against the  dollar, the loss in currency value
should be offset, in whole or in part,  by an increase in the value of the  put.
If the value of the currency instead should rise against the dollar, any gain to
the  Fund would  be reduced by  the premium  it had paid  for the  put option. A
currency call option might be purchased, for example, in anticipation of, or  to
protect  against, a rise in the value against  the dollar of a currency in which
the Fund anticipates purchasing securities.
 
                   Statement of Additional Information Page 7
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  Markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates.  The Fund will not  purchase an OTC option  unless it believes that daily
valuations for  such options  are readily  obtainable. OTC  options differ  from
exchange-traded options in that OTC options are transacted with dealers directly
and   not  through  a  clearing   corporation  (which  guarantees  performance).
Consequently, there  is  a risk  of  non-performance  by the  dealer.  Since  no
exchange  is involved, OTC options are valued on  the basis of an average of the
last bid prices obtained from dealers,  unless a quotation from only one  dealer
is  available, in which case only that dealer's  price will be used. In the case
of OTC options, there can  be no assurance that  a liquid secondary market  will
exist for any particular option at any specific time.
 
The  staff of the Securities and Exchange Commission ("SEC") considers purchased
OTC options to be illiquid securities. The  Fund may also sell OTC options  and,
in  connection therewith, segregate assets or cover its obligations with respect
to OTC options written  by the Fund.  The assets used as  cover for OTC  options
written  by the Fund will be considered illiquid unless the OTC options are sold
to qualified dealers who agree  that the Fund may  repurchase any OTC option  it
writes  at a maximum price to be calculated by a formula set forth in the option
agreement. The cover for an OTC  option written subject to this procedure  would
be  considered illiquid  only to  the extent  that the  maximum repurchase price
under the formula exceeds the intrinsic value of the option.
 
The Fund's  ability to  establish  and close  out positions  in  exchange-listed
options  depends  on the  existence  of a  liquid  market. The  Fund  intends to
purchase or write only those exchange-traded options for which there appears  to
be  a liquid secondary  market. However, there  can be no  assurance that such a
market will exist at any particular  time. Closing transactions can be made  for
OTC  options  only  by  negotiating  directly with  the  contra  party  or  by a
transaction in the secondary market if any such market exists. Although the Fund
will enter into OTC  options only with  contra parties that  are expected to  be
capable  of  entering  into closing  transactions  with  the Fund,  there  is no
assurance that the Fund will in fact be able to close out an OTC option position
at a favorable price  prior to expiration.  In the extent  of insolvency of  the
contra  party, the Fund might  be unable to close out  an OTC option position at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in individual securities or futures contracts. When the Fund writes a call on an
index,  it receives a premium and agrees that, prior to the expiration date, the
purchaser of the call, upon exercise of the call, will receive from the Fund  an
amount of cash if the closing level of the index upon which the call is based is
greater  than the exercise price of the call. The amount of cash is equal to the
difference between the closing price of the index and the exercise price of  the
call  times a specified multiple (the  "multiplier"), which determines the total
dollar value for each point of such difference. When the Fund buys a call on  an
index,  it  pays a  premium and  has the  same rights  as to  such calls  as are
indicated above. When the Fund buys a put on an index, it pays a premium and has
the right, prior to the expiration date, to require the seller of the put,  upon
the  Fund's exercise of the put, to deliver to the Fund an amount of cash if the
closing level of the index upon which the put is based is less than the exercise
price of the  put, which  amount of  cash is  determined by  the multiplier,  as
described above for calls. When the Fund writes a put on an index, it receives a
premium  and  the purchaser  has the  right,  prior to  the expiration  date, to
require the Fund  to deliver to  it an amount  of cash equal  to the  difference
between  the  closing  level of  the  index  and the  exercise  price  times the
multiplier, if the closing level is less than the exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities. Because index options are settled in cash, when a Fund writes a call
on  an  index  it  cannot  provide  in  advance  for  its  potential  settlement
obligations by acquiring  and holding  the underlying securities.  The Fund  can
offset  some of the  risk of writing a  call index option  position by holding a
diversified portfolio of  securities similar  to those on  which the  underlying
index  is based. However,  the Fund cannot,  as a practical  matter, acquire and
hold a portfolio containing  exactly the same securities  as underlie the  index
and,  as a result, bears a risk that  the value of the securities held will vary
from the value of the index.
 
Even if the Fund could assemble  a securities portfolio that exactly  reproduced
the  composition of the  underlying index, it  still would not  be fully covered
from a risk standpoint  because of the "timing  risk" inherent in writing  index
options.  When an index option is exercised,  the amount of cash that the holder
is entitled to  receive is  determined by  the difference  between the  exercise
price  and the closing index level on the  date when the option is exercised. As
with other kinds of options, the Fund as  the call writer will not know that  it
has  been assigned  until the next  business day  at the earliest.  The time lag
between exercise and  notice of assignment  poses no  risk for the  writer of  a
covered call on a specific underlying
 
                   Statement of Additional Information Page 8
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
security,  such as  common stock,  because there  the writer's  obligation is to
deliver the underlying security, not to pay its value as of a fixed time in  the
past. So long as the writer already owns the underlying security, it can satisfy
its  settlement obligations by simply delivering it, and the risk that its value
may have declined since the exercise date is borne by the exercising holder.  In
contrast,  even if  the writer  of an index  call holds  securities that exactly
match the composition of the  underlying index, it will  not be able to  satisfy
its assignment obligations by delivering those securities against payment of the
exercise  price. Instead, it will be required to  pay cash in an amount based on
the closing index value on the exercise date; and by the time it learns that  it
has  been assigned, the index may have declined, with a corresponding decline in
the value  of  its securities  portfolio.  This  "timing risk"  is  an  inherent
limitation  on the ability of index call writers to cover their risk exposure by
holding securities positions.
 
If the Fund purchases an index option and exercises it before the closing  index
value  for  that day  is  available, it  runs  the risk  that  the level  of the
underlying index may subsequently change. If such a change causes the  exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between  the closing index value and the exercise price of the option (times the
applicable multiplier) to the assigned writer.
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
The Fund may  enter into interest  rate or currency  futures contracts, and  may
enter  into stock index  futures contracts (collectively,  "Futures" or "Futures
Contracts"), as a hedge against changes in prevailing levels of interest  rates,
currency  exchange rates or  stock prices in order  to establish more definitely
the effective return on securities or currencies held or intended to be acquired
by the  Fund. The  Fund's hedging  may include  sales of  Futures as  an  offset
against  the effect  of expected  increases in  interest rates  and decreases in
currency exchange rates or stock prices,  and purchases of Futures as an  offset
against  the effect  of expected  declines in  interest rates,  and increases in
currency exchange rates or stock prices.
 
The Fund  only will  enter into  Futures Contracts  that are  traded on  futures
exchanges  and are  standardized as  to maturity  date and  underlying financial
instrument. Futures  exchanges and  trading  thereon in  the United  States  are
regulated  under the  Commodity Exchange  Act by  the Commodity  Futures Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to reduce the Fund's exposure to interest rate, currency exchange rate  and
stock  market fluctuations,  the Fund  may be  able to  hedge its  exposure more
effectively and at a lower cost through using Futures Contracts.
 
A Futures Contract provides  for the future  sale by one  party and purchase  by
another party of a specified amount of a specific financial instrument (security
or currency) for a specified price at a designated date, time and place. A stock
index Futures Contract provides for the delivery, at a designated date, time and
place,  of  an amount  of  cash equal  to a  specified  dollar amount  times the
difference between the stock index value at the close of trading on the contract
and the price at  which the Futures Contract  is originally struck; no  physical
delivery  of stocks  comprising the index  is made. Brokerage  fees are incurred
when a  Futures  Contract  is  bought  or sold,  and  margin  deposits  must  be
maintained at all times the Futures Contract is outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  usually are closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively,   for  the  same  aggregate  amount  of  the  identical  financial
instrument or currency and  the same delivery date.  If the offsetting  purchase
price  is less than the original sale price,  the Fund realizes a gain; if it is
more, the Fund realizes a loss. Conversely, if the offsetting sale price is more
than the original purchase price, the Fund  realizes a gain; if it is less,  the
Fund  realizes a  loss. The  transaction costs  also must  be included  in these
calculations. There can be no assurance, however, that the Fund will be able  to
enter  into  an  offsetting transaction  with  respect to  a  particular Futures
Contract at  a particular  time.  If the  Fund  is not  able  to enter  into  an
offsetting  transaction, the Fund  will continue to be  required to maintain the
margin deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from  the sale of one Futures Contract of September Deutschemarks on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of  another Futures  Contract of  September Deutschemarks  on the  same
exchange. In such instance the difference between the price at which the Futures
Contract  was  sold  and  the  price paid  for  the  offsetting  purchase, after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The Fund's Futures transactions will be entered into for hedging purposes  only;
that  is, Futures  Contracts will be  sold to  protect against a  decline in the
price of securities or currencies that the Fund owns, or Futures Contracts  will
be purchased
 
                   Statement of Additional Information Page 9
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
to protect the Fund against an increase in the price of securities or currencies
it has committed to purchase or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by the Fund in order to  initiate Futures trading and to maintain  the
Fund's  open  positions in  Futures Contracts.  A margin  deposit made  when the
Futures Contract is entered  into ("initial margin") is  intended to assure  the
Fund's  performance  under  the  Futures Contract.  The  margin  required  for a
particular Futures Contract is set by the exchange on which the Futures Contract
is traded, and may be modified significantly  from time to time by the  exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission merchant through  which the  Fund entered into  the Futures  Contract
will  be made on a daily basis as the price of the underlying security, currency
or index fluctuates making the Futures Contract more or less valuable, a process
known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in  interest rates  and currency  exchange rates,  and in  stock  market
movements,  which  in turn  are  affected by  fiscal  and monetary  policies and
national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and prices  of the securities  or currencies in  the Fund's portfolio
being  hedged.  The   degree  of  imperfection   of  correlation  depends   upon
circumstances  such as: variations in speculative  market demand for Futures and
for securities or currencies, including technical influences in Futures trading;
and  differences  between  the  financial  instruments  being  hedged  and   the
instruments  underlying the standard Futures  Contracts available for trading. A
decision of whether,  when, and how  to hedge involves  skill and judgment,  and
even  a  well-conceived hedge  may  be unsuccessful  to  some degree  because of
unexpected market behavior or interest or currency rate trends.
 
Because of  the  low  margin  deposits required,  Futures  trading  involves  an
extremely  high  degree  of leverage.  As  a  result, a  relatively  small price
movement in a Futures Contract may result in immediate and substantial loss,  as
well  as gain, to the investor. For example,  if at the time of purchase, 10% of
the value  of the  Futures Contract  is deposited  as margin,  a subsequent  10%
decrease  in the value of  the Futures Contract would result  in a total loss of
the margin  deposit, before  any deduction  for the  transaction costs,  if  the
account  were then closed  out. A 15% decrease  would result in  a loss equal to
150% of the original  margin deposit, if the  Futures Contract were closed  out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily  limit establishes the maximum amount that the price of a Futures Contract
or option may vary either up or down from the previous day's settlement price at
the end  of a  trading session.  Once  the daily  limit has  been reached  in  a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a  particular trading day and therefore does not limit potential losses, because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and option  prices  occasionally have  moved  to  the daily  limit  for  several
consecutive  trading days with  little or no  trading, thereby preventing prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to the absence of a liquid secondary  market or the imposition of price  limits,
it  could incur  substantial losses.  The Fund would  continue to  be subject to
market risk with respect  to the position.  In addition, except  in the case  of
purchased  options,  the  Fund  would  continue to  be  required  to  make daily
variation margin payments and might be  required to maintain the position  being
hedged by the Future or option or to maintain cash or securities in a segregated
account.
 
Certain  characteristics  of the  Futures market  might  increase the  risk that
movements in the  prices of Futures  Contracts or options  on Futures might  not
correlate  perfectly  with  movements in  the  prices of  the  investments being
hedged. For example,  all participants  in the  Futures and  options on  Futures
markets  are subject to daily  variation margin calls and  might be compelled to
liquidate Futures  or  options on  Futures  positions whose  prices  are  moving
unfavorably  to avoid being  subject to further  calls. These liquidations could
increase price  volatility  of the  instruments  and distort  the  normal  price
relationship  between the Futures  or options and  the investments being hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous than  margin requirements  in  the securities  markets, there  might  be
increased   participation   by  speculators   in   the  Futures   markets.  This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage,  "program trading"  and other  investment strategies  might result in
temporary price distortions.
 
                  Statement of Additional Information Page 10
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
OPTIONS ON FUTURES CONTRACTS
Options on Futures Contracts are similar to options on securities or  currencies
except that options on Futures Contracts give the purchaser the right, in return
for  the  premium paid,  to  assume a  position in  a  Futures Contract  (a long
position if the option is a call and a short position if the option is a put) at
a specified exercise price  at any time  during the period  of the option.  Upon
exercise  of the option, the  delivery of the Futures  position by the writer of
the option to the holder  of the option will be  accompanied by delivery of  the
accumulated balance in the writer's Futures margin account, which represents the
amount  by which the market price of  the Futures Contract, at exercise, exceeds
(in the case of  a call) or  is less than (in  the case of  a put) the  exercise
price  of the option on  the Futures Contract. If an  option is exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to  the difference between the exercise price  of
the  option and the  closing level of  the securities, currencies  or index upon
which the  Futures Contract  is  based on  the  expiration date.  Purchasers  of
options  who fail to exercise their options  prior to the exercise date suffer a
loss of the premium paid.
 
The purchase of  call options  on Futures  can serve as  a long  hedge, and  the
purchase  of put  options on Futures  can serve  as a short  hedge. Writing call
options on Futures can serve as a  limited short hedge, and writing put  options
on  Futures can serve as a limited long  hedge, using a strategy similar to that
used for writing options on securities, foreign currencies or indices.
 
If the Fund  writes an  option on  a Futures Contract,  it will  be required  to
deposit  initial and variation margin pursuant  to requirements similar to those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The Fund may seek to close out an option position by selling an option  covering
the  same Futures  Contract and  having the  same exercise  price and expiration
date. The  ability to  establish and  close  out positions  on such  options  is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
   
To the extent that  the Fund enters into  Futures Contracts, options on  Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange, in each case other than for BONA FIDE hedging purposes (as defined  by
the CFTC), the aggregate initial margin and premiums required to establish those
positions  (excluding the amount  by which options  are "in-the-money") will not
exceed 5% of the  liquidation value of the  Fund's portfolio, after taking  into
account  unrealized profits and unrealized losses  on any contracts the Fund has
entered into. In general, a call option on a Futures Contract is  "in-the-money"
if  the  value of  the  underlying Futures  Contract  exceeds the  strike, I.E.,
exercise,  price  of  the  call;  a   put  option  on  a  futures  contract   is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund either may
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular   foreign  currency  forward,  for   example,  when  it  holds  bonds
denominated in a  foreign currency but  anticipates, and seeks  to be  protected
against,  a decline in the currency against the U.S. dollar. Similarly, the Fund
might sell  the U.S.  dollar forward  when it  holds bonds  denominated in  U.S.
dollars  but anticipates, and  seeks to be  protected against, a  decline in the
U.S. dollar relative  to other currencies.  Further, the Fund  might purchase  a
currency  forward  to "lock  in"  the price  of  securities denominated  in that
currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract  generally has no deposit requirement and no commissions are charged at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S. or foreign banks and securities or currency dealers in accordance with  the
guidelines approved by the Company's Board of Trustees.
    
 
The  Fund  may enter  into  Forward Contracts  either  with respect  to specific
transactions or  with respect  to the  Fund's portfolio  positions. The  precise
matching  of the Forward  Contract amounts and the  value of specific securities
generally will not be  possible because the future  value of such securities  in
foreign currencies will change as a consequence of market movements in the value
of  those securities between the  date the Forward Contract  is entered into and
the date it matures.
 
                  Statement of Additional Information Page 11
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
Accordingly, it may  be necessary for  the Fund to  purchase additional  foreign
currency on the spot (I.E., cash) market (and bear the expense of such purchase)
if  the market value of the security is less than the amount of foreign currency
the Fund is obligated to deliver and if a decision is made to sell the  security
and  make delivery of the  foreign currency. Conversely, it  may be necessary to
sell on the spot market  some of the foreign currency  the Fund is obligated  to
deliver.  The projection  of short-term  currency market  movements is extremely
difficult, and  the successful  execution of  a short-term  hedging strategy  is
highly  uncertain. Forward Contracts involve  the risk that anticipated currency
movements will not be predicted accurately,  causing the Fund to sustain  losses
on these contracts and transaction costs.
 
At  or before the  maturity of a Forward  Contract requiring the  Fund to sell a
currency, the  Fund  either may  sell  a portfolio  security  and use  the  sale
proceeds  to make delivery of the currency or retain the security and offset its
contractual obligation to deliver the  currency by purchasing a second  contract
pursuant  to which  the Fund will  obtain, on  the same maturity  date, the same
amount of the currency that it is obligated to deliver. Similarly, the Fund  may
close  out a Forward Contract  requiring it to purchase  a specified currency by
entering into a  second contract, if  its contra party  agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund would  realize a gain  or loss as a  result of entering  into
such  an offsetting Forward Contract under either circumstance to the extent the
exchange rate  or  rates  between  the currencies  involved  moved  between  the
execution dates of the first contract and the offsetting contract.
 
The  cost to the Fund of engaging  in Forward Contracts varies with factors such
as the currencies  involved, the length  of the contract  period and the  market
conditions  then prevailing. Because Forward  Contracts usually are entered into
on a principal basis, no  fees or commissions are  involved. The use of  Forward
Contracts  does  not  eliminate fluctuations  in  the prices  of  the underlying
securities the Fund owns or intends to acquire, but it does establish a rate  of
exchange in advance. In addition, while Forward Contract sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The  Fund may use options on  foreign currencies, Futures on foreign currencies,
options on Futures on foreign currencies and Forward Contracts to hedge  against
movements in the values of the foreign currencies in which the Fund's securities
are  denominated. Such currency hedges can  protect against price movements in a
security that  the Fund  owns or  intends to  acquire that  are attributable  to
changes  in the value of the currency in which it is denominated. Such hedges do
not, however,  protect  against  price  movements in  the  securities  that  are
attributable to other causes.
 
   
The  Fund  might seek  to hedge  against changes  in the  value of  a particular
currency when no  Futures Contract,  Forward Contract or  option involving  that
currency  is available or one  of such contracts is  more expensive than certain
other contracts. In such  cases, the Fund may  hedge against price movements  in
that  currency by  entering into  a contract  on another  currency or  basket of
currencies, the values of  which the Sub-adviser believes  will have a  positive
correlation  to the value of the currency  being hedged. The risk that movements
in the price of the contract will not correlate perfectly with movements in  the
price of the currency being hedged is magnified when this strategy is used.
    
 
The  value of Futures Contracts, options on Futures Contracts, Forward Contracts
and options  on  foreign currencies  depends  on  the value  of  the  underlying
currency  relative  to the  U.S. dollar.  Because foreign  currency transactions
occurring in the  interbank market  might involve  substantially larger  amounts
than  those  involved in  the  use of  Futures  Contracts, Forward  Contracts or
options, a  Fund  could  be disadvantaged  by  dealing  in the  odd  lot  market
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying foreign currencies at prices that  are less favorable than for  round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or  any  regulatory requirements  that quotations  available through  dealers or
other market sources be firm or revised on a timely basis. Quotation information
generally is representative of very  large transactions in the interbank  market
and  thus  might not  reflect  odd-lot transactions  where  rates might  be less
favorable.  The   interbank  market   in  foreign   currencies  is   a   global,
round-the-clock  market. To the  extent the U.S. options  or Futures markets are
closed while the markets for the underlying currencies remain open,  significant
price  and rate movements might take place in the underlying markets that cannot
be reflected in  the markets  for the Futures  contracts or  options until  they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies  might  be required  to  take place  within  the country  issuing the
underlying currency. Thus, the Fund might be required to accept or make delivery
of the  underlying foreign  currency  in accordance  with  any U.S.  or  foreign
regulations  regarding the maintenance  of foreign banking  arrangements by U.S.
residents and might be  required to pay any  fees, taxes and charges  associated
with such delivery assessed in the issuing country.
 
                  Statement of Additional Information Page 12
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
COVER
Transactions  using Forward Contracts, Futures Contracts and options (other than
options purchased  by the  Fund) expose  the Fund  to an  obligation to  another
party.  The Fund will not enter into any such transactions unless it owns either
(1) an  offsetting  ("covered") position  in  securities, currencies,  or  other
options,  Forward Contracts or  Futures Contracts, or  (2) cash, receivables and
short-term debt securities  with a value  sufficient at all  times to cover  its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets  used as cover or  held in a segregated account  cannot be sold while the
position in the corresponding  Forward Contract, Futures  Contract or option  is
open, unless they are replaced with other appropriate assets. If a large portion
of  the Fund's assets are used for cover or otherwise set aside, it could affect
portfolio management or the Fund's ability to meet redemption requests or  other
current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The  Fund  may  invest up  to  10% of  its  net assets  in  illiquid securities.
Securities may  be considered  illiquid  if the  Fund cannot  reasonably  expect
within  seven days to sell the securities  for approximately the amount at which
the Fund values such securities. The sale of illiquid securities, if they can be
sold at all,  generally will require  more time and  result in higher  brokerage
charges  or dealer discounts and other selling  expenses than the sale of liquid
securities, such as securities eligible for trading on U.S. securities exchanges
or in the over-the-counter markets. Moreover, restricted securities which may be
illiquid for purposes  of this limitation,  often sell,  if at all,  at a  price
lower than similar securities that are not subject to restrictions on resale.
 
Illiquid  securities include those that are subject to restrictions contained in
the securities  laws of  other countries.  However, securities  that are  freely
marketable  in the country where  they are principally traded,  but would not be
freely marketable in the United States,  will not be considered illiquid.  Where
registration  is required, the Fund  may be obligated to pay  all or part of the
registration expenses and a considerable period  may elapse between the time  of
the  decision to sell and the time the  Fund may be permitted to sell a security
under an effective  registration statement.  If, during such  a period,  adverse
market  conditions were to develop, the Fund might obtain a less favorable price
than prevailed when it decided to sell.
 
Not  all  restricted  securities   are  illiquid.  In   recent  years  a   large
institutional   market  has  developed  for  certain  securities  that  are  not
registered under the Securities Act of 1933, as amended ("1933 Act"),  including
private  placements, repurchase agreements, commercial paper, foreign securities
and corporate bonds and notes. These instruments are often restricted securities
because the  securities are  sold in  transactions not  requiring  registration.
Institutional investors generally will not seek to sell these instruments to the
general   public,  but  instead  will  often   depend  either  on  an  efficient
institutional market in which such unregistered securities can be readily resold
or on an issuer's ability to honor  a demand for repayment. Therefore, the  fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule  144A under the 1933 Act establishes  a "safe harbor" from the registration
requirements of the  1933 Act  for resales  of certain  securities to  qualified
institutional  buyers.  Institutional  markets  for  restricted  securities have
developed as a result of Rule 144A, providing both readily ascertainable  values
for  restricted securities and the ability to liquidate an investment to satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance and  settlement of  unregistered securities  of domestic  and  foreign
issuers,  such as  the PORTAL  System sponsored  by the  National Association of
Securities Dealers,  Inc.  An  insufficient number  of  qualified  institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
a  Fund, however,  could affect  adversely the  marketability of  such portfolio
securities and the Fund might be  unable to dispose of such securities  promptly
or at favorable prices.
 
   
With  respect  to liquidity  determinations  generally, the  Company's  Board of
Trustees has  the  ultimate  responsibility  for  determining  whether  specific
securities, including restricted securities pursuant to Rule 144A under the 1933
Act,  are liquid  or illiquid.  The Board has  delegated the  function of making
day-to-day determinations of liquidity to the Sub-
    
 
                  Statement of Additional Information Page 13
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
adviser in  accordance  with  procedures  approved by  the  Company's  Board  of
Trustees.  The Sub-adviser  takes into account  a number of  factors in reaching
liquidity decisions, including, but not limited to: (i) the frequency of trading
in the security; (ii) the  number of dealers who  make quotes for the  security;
(iii)  the  number  of dealers  who  have undertaken  to  make a  market  in the
security; (iv) the number of other  potential purchasers; and (v) the nature  of
the  security and  how trading is  effected (e.g.,  the time needed  to sell the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser  monitors the  liquidity of securities  in the  Fund's portfolio and
periodically reports  on  such  decisions  to the  Board  of  Trustees.  If  the
liquidity  percentage  restriction  of the  Fund  is  satisfied at  the  time of
investment, a later increase  in the percentage of  illiquid securities held  by
the Fund resulting from a change in market value or assets will not constitute a
violation  of that restriction.  If as a result  of a change  in market value or
assets, the percentage of illiquid securities  held by the Fund increases  above
the  applicable limit, the Sub-adviser will  take appropriate steps to bring the
aggregate amount of illiquid  assets back within  the prescribed limitations  as
soon   as  reasonably  practicable,  taking  into  account  the  effect  of  any
disposition on the Fund.
    
 
FOREIGN SECURITIES
    POLITICAL, SOCIAL AND  ECONOMIC RISKS. Investing  in securities of  non-U.S.
companies may entail additional risks due to the potential political, social and
economic  instability  of  certain  countries and  the  risks  of expropriation,
nationalization, confiscation  or  the  imposition of  restrictions  on  foreign
investment,  convertibility of currencies into  U.S. dollars and on repatriation
of capital  invested. In  the event  of such  expropriation, nationalization  or
other  confiscation by any country, the Fund could lose its entire investment in
any such country.
 
    RELIGIOUS AND ETHNIC INSTABILITY.  Certain countries in  which the Fund  may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of property owned by individuals and entities foreign to such country and  could
cause the loss of the Fund's investment in those countries. Instability may also
result  from,  among other  things:  (i) authoritarian  governments  or military
involvement in  political and  economic  decision-making, including  changes  in
government  through extra-constitutional  means; (ii)  popular unrest associated
with demands for improved political,  economic and social conditions; and  (iii)
hostile  relations with neighboring  or other countries.  Such political, social
and economic instability could disrupt the principal financial markets in  which
the Fund invests and adversely affect the value of the Fund's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial restrictions on investments  in their capital markets,  particularly
their  equity markets, by foreign entities  such as the Fund. These restrictions
or controls may at times limit or preclude investment in certain securities  and
may  increase the cost and expenses of  the Fund. For example, certain countries
require prior governmental approval before investments by foreign persons may be
made, or may limit the amount of  investment by foreign persons in a  particular
company,  or limit the investment by foreign persons to only a specific class of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of certain  countries  may  restrict  investment  opportunities  in  issuers  or
industries  deemed sensitive to national  interests. In addition, some countries
require governmental approval for the repatriation of investment income, capital
or the proceeds of securities sales by foreign investors. In addition, if  there
is  a deterioration in a  country's balance of payments  or for other reasons, a
country may impose restrictions on foreign capital remittances abroad. The  Fund
could  be adversely affected by  delays in, or a  refusal to grant, any required
governmental approval for repatriation, as well  as by the application to it  of
other restrictions on investments.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that  differ in some  cases significantly from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting principles. Most of the foreign securities held by the  Fund
will  not be registered with  the SEC or regulators  of any foreign country, nor
will the issuers thereof be subject  to the SEC's reporting requirements.  Thus,
there  will be  less available  information concerning  most foreign  issuers of
securities held  by the  Fund  than is  available  concerning U.S.  issuers.  In
instances  where the financial statements of an issuer are not deemed to reflect
accurately the  financial situation  of the  issuer, the  Sub-adviser will  take
appropriate steps to evaluate the proposed investment, which may include on-site
inspection  of the issuer, interviews with its management and consultations with
accountants, bankers and other specialists. There is substantially less publicly
available information about foreign companies than there are reports and ratings
published about  U.S. companies  and  the U.S.  Government. In  addition,  where
public  information is available, it may  be less reliable than such information
regarding U.S.  issuers.  Issuers of  securities  in foreign  jurisdictions  are
generally  not subject  to the  same degree  of regulation  as are  U.S. issuers
    
 
                  Statement of Additional Information Page 14
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
with respect to  such matters  as restrictions on  market manipulation,  insider
trading   rules,  shareholder  proxy  requirements   and  timely  disclosure  of
information.
 
    CURRENCY FLUCTUATIONS. Because  the Fund, under  normal circumstances,  will
invest  a substantial portion of  its total assets in  the securities of foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the U.S. dollar  against such foreign  currencies will account  for part of  the
Fund's investment performance. A decline in the value of any particular currency
against  the U.S. dollar  will cause a decline  in the U.S.  dollar value of the
Fund's holdings  of  securities  and  cash denominated  in  such  currency  and,
therefore,  will cause an overall decline in  the Fund's net asset value and any
net investment  income and  capital gains  derived from  such securities  to  be
distributed  in U.S. dollars to shareholders of the Fund. Moreover, if the value
of the foreign currencies in which  the Fund receives its income falls  relative
to  the  U.S.  dollar between  receipt  of the  income  and the  making  of Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions if  the  Fund has  insufficient  cash in  U.  S. dollars  to  meet
distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors including  the supply and  demand for particular  currencies,
central  bank efforts to support particular currencies, the movement of interest
rates, the pace of  business activity in certain  other countries and the  U.S.,
and other economic and financial conditions affecting the world economy.
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
   
    ADVERSE MARKET CHARACTERISTICS.  Securities of many  foreign issuers may  be
less  liquid and their  prices more volatile than  securities of comparable U.S.
issuers. In  addition,  foreign securities  markets  and brokers  generally  are
subject  to less governmental  supervision and regulation than  in the U.S., and
foreign securities transactions usually are subject to fixed commissions,  which
generally  are  higher  than  negotiated commissions  on  U.S.  transactions. In
addition,  foreign  securities  transactions  may  be  subject  to  difficulties
associated  with the settlement of such transactions. Delays in settlement could
result in temporary periods when assets of the Fund are uninvested and no return
is earned thereon. The inability of the Fund to make intended security purchases
due  to  settlement   problems  could   cause  the  Fund   to  miss   attractive
opportunities.  Inability to dispose  of a portfolio  security due to settlement
problems either could result in losses to the Fund due to subsequent declines in
value of the portfolio security or, if  the Fund has entered into a contract  to
sell  the security,  could result  in possible  liability to  the purchaser. The
Sub-adviser will consider such difficulties  when determining the allocation  of
the  Fund's  assets,  although  the  Sub-adviser  does  not  believe  that  such
difficulties will have a material adverse effect on the Fund's portfolio trading
activities.
    
 
The Fund may  use foreign  custodians, which may  involve risks  in addition  to
those  related to the  use of U.S. custodians.  Such risks include uncertainties
relating to: (i) determining and  monitoring the financial strength,  reputation
and  standing of the foreign  custodian; (ii) maintaining appropriate safeguards
to protect the Funds' investments  and (iii) possible difficulties in  obtaining
and enforcing judgments against such custodians.
 
    WITHHOLDING TAXES. The Fund's net investment income from foreign issuers may
be  subject  to  withholding  taxes by  the  foreign  issuer's  country, thereby
reducing the Fund's  net investment  income or  delaying the  receipt of  income
where those taxes may be recaptured. See "Taxes."
 
    CONCENTRATION.  To the extent the Fund  invests a significant portion of its
assets in securities of issuers located in a particular country or region of the
world, it may be subject to greater risks and may experience greater  volatility
than a fund that is more broadly diversified geographically.
 
   
    SPECIAL  CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The countries
that are members of the European Economic Community ("Common Market")  (Belgium,
Denmark,  France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg, Netherlands,
Portugal, Spain, and the United  Kingdom) eliminated certain import tariffs  and
quotas  and  other trade  barriers with  respect  to one  another over  the past
several years. The  Sub-adviser believes that  this deregulation should  improve
the  prospects for  economic growth  in many  Western European  countries. Among
other things, the deregulation could  enable companies domiciled in one  country
to  avail  themselves  of lower  labor  costs  existing in  other  countries. In
addition, this deregulation could benefit companies domiciled in one country  by
opening  additional markets  for their  goods and  services in  other countries.
Since, however, it is not  clear what the exact form  or effect of these  Common
Market reforms
    
 
                  Statement of Additional Information Page 15
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
will be on business in Western Europe, it is impossible to predict the long-term
impact  of the implementation of  these programs on the  securities owned by the
Fund.
 
    SPECIAL CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN  COUNTRIES.
Investing  in Russia  and Eastern European  countries involves a  high degree of
risk and special considerations not  typically associated with investing in  the
United  States securities markets, and  should be considered highly speculative.
Such risks include: (1)  delays in settling portfolio  transactions and risk  of
loss  arising out of the system of  share registration and custody; (2) the risk
that it may be impossible  or more difficult than  in other countries to  obtain
and/or  enforce a  judgement; (3) pervasiveness  of corruption and  crime in the
economic system; (4) currency exchange rate volatility and the lack of available
currency hedging instruments; (5) higher rates of inflation (including the  risk
of   social  unrest  associated  with   periods  of  hyper-inflation)  and  high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign investors and limitations on  repatriation of invested capital,  profits
and  dividends, and on  a fund's ability  to exchange local  currencies for U.S.
dollars; (7) political instability and social unrest and violence; (8) the  risk
that  the governments of Russia and Eastern European countries may decide not to
continue to support the economic reform programs implemented recently and  could
follow  radically different political and/or  economic policies to the detriment
of investors,  including non-market-oriented  policies such  as the  support  of
certain  industries at the expense of other sectors or investors, or a return to
the centrally planned economy that existed  when such countries had a  communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of  international trade; (11)  the risk that  the tax system  in these countries
will not  be reformed  to prevent  inconsistent, retroactive  and/or  exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly  since 1990. The general government position has deteriorated as a
result of weakening economic  growth and stimulative  measures taken to  support
economic  activity and to  restore financial stability.  Although the decline in
interest  rates  and  fiscal  stimulation   packages  have  helped  to   contain
recessionary  forces, uncertainties remain. Japan is also heavily dependent upon
international trade, so its  economy is especially  sensitive to trade  barriers
and  disputes.  Japan has  had difficult  relations  with its  trading partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible that  trade sanctions  and other  protectionist measures  could  impact
Japan adversely in both the short and the long term.
 
The  common  stocks  of many  Japanese  companies trade  at  high price-earnings
ratios. Differences  in accounting  methods  make it  difficult to  compare  the
earnings  of  Japanese companies  with those  of  companies in  other countries,
especially in the  U.S. In  general, however, reported  net income  in Japan  is
understated  relative to  U.S. accounting standards  and this is  one reason why
price-earnings  ratios  of  the  stocks   of  Japanese  companies  have   tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally  been lower than  in the  U.S., both of
which factors tend to result in  lower discount rates and higher  price-earnings
ratios in Japan than in the U.S.
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
Jurisdictional  disputes  also exist  between South  Korea  and North  Korea. In
addition,  the  Fund  may  invest  in  Hong  Kong,  which  reverted  to  Chinese
Administration  on July  1, 1997.  Investments in  Hong Kong  may be  subject to
expropriation, national, nationalization or confiscation, in which case the Fund
could lose its  entire investment in  Hong Kong. In  addition, the reversion  of
Hong  Kong also presents a risk that the Hong Kong dollar will be devalued and a
risk of possible  loss of  investor confidence  in Hong  Kong's currency,  stock
market and assets.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American countries have experienced substantial,  and in some periods  extremely
high,  rates of  inflation for many  years. Inflation and  rapid fluctuations in
inflation rates have had and may continue  to have very negative effects on  the
economies  and securities markets  of certain Latin  American countries. Certain
Latin American countries are also among the largest debtors to commercial  banks
and foreign governments. At times certain Latin American countries have declared
moratoria on the payment of principal
 
                  Statement of Additional Information Page 16
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
and/or interest on external debt. In addition, certain Latin American securities
markets have experienced high volatility in recent years.
 
Latin  American countries may  also close certain sectors  of their economies to
equity investments  by foreigners.  Further  due to  the absence  of  securities
markets  and  publicly  owned corporations  and  due to  restrictions  on direct
investment by foreign entities,  investments may only be  made in certain  Latin
American   countries  solely   or  primarily   through  governmentally  approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at artificial levels to the U.S. dollar rather than at levels determined by  the
market.  This type  of system can  lead to  sudden and large  adjustments in the
currency which, in turn,  can have a disruptive  and negative effect on  foreign
investors.  For example, in late  1994, the value of  the Mexican peso lost more
than one-third of its value relative to the U.S. dollar.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  EMERGING   MARKETS.  Investing  in   the
securities of companies in emerging markets may entail special risks relating to
potential  political and  economic instability  and the  risks of expropriation,
nationalization, confiscation  or  the  imposition of  restrictions  on  foreign
investment,  convertibility  into U.S.  dollars and  on repatriation  of capital
invested.  In  the  event  of  such  expropriation,  nationalization  or   other
confiscation  by any country, the  Fund could lose its  entire investment in any
such country.
 
Emerging securities  markets are  substantially  smaller, less  developed,  less
liquid  and more volatile than the major securities markets. The limited size of
emerging securities markets and limited trading value in issuers compared to the
volume of  trading in  U.S. securities  could  cause prices  to be  erratic  for
reasons  apart  from factors  that  affect the  quality  of the  securities. For
example, limited market size may cause prices to be unduly influenced by traders
who control  large  positions.  Adverse publicity  and  investors'  perceptions,
whether  or  not  based on  fundamental  analysis,  may decrease  the  value and
liquidity of portfolio  securities, especially  in these  markets. In  addition,
securities traded in certain emerging markets may be subject to risks due to the
inexperience  of financial intermediaries, a lack of modern technology, the lack
of a sufficient capital base to expand business operations, and the  possibility
of permanent or temporary termination of trading.
 
Settlement  mechanisms in emerging securities markets  may be less efficient and
reliable than in more developed markets.  In such emerging securities there  may
be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and may  continue to  have  negative effects  on  the economies  and  securities
markets of certain emerging market countries.
 
                  Statement of Additional Information Page 17
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
   
The  Fund  has  adopted  the  following  investment  limitations  as fundamental
policies which (unless otherwise noted) may  not be changed without approval  by
the  holders of  the lesser  of (i) 67%  of the  Fund's shares  represented at a
meeting at which more  than 50% of the  outstanding shares are represented,  and
(ii) more than 50% of the outstanding shares. The Fund may not:
    
 
   
        (1)  Purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in  real estate  and investments  in mortgage-based
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Fund may exercise rights under  agreements relating to such securities,
    including the right to  enforce security interests and  to hold real  estate
    acquired  by  reason  of such  enforcement  until  that real  estate  can be
    liquidated in an orderly manner;
    
 
   
        (3) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (4)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting borrowings) at the time of the borrowing, except that the  Fund
    may  borrow up to  an additional 5%  of its total  assets (not including the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6) Purchase or sell  physical commodities, but  the Fund may  purchase,
    sell  or  enter  into financial  operations  and futures,  forward  and spot
    currency contracts,  swap  transactions  and other  financial  contracts  or
    derivative instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of   its  investable  assets  (cash,   securities  and  receivables  related  to
securities) in an  open-end management investment  company having  substantially
the same investment objective, policies and limitations as the Fund.
    
 
   
For  purposes of  the Fund's  concentration policy  contained in  limitation (1)
above, the Fund intends  to comply with the  SEC staff position that  securities
issued  or  guaranteed  as  to  principal and  interest  by  any  single foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
    
 
   
The following operating policies  of the Fund are  not fundamental policies  and
may  be changed by vote  of the Company's Board  of Trustees without shareholder
approval. The Fund may not:
    
 
   
        (1) Invest in securities of an issuer if the investment would cause  the
    Fund to own more than 10% of any class of securities of any one issuer;
    
 
   
        (2)   Sell  securities  short,  except  to  the  extent  that  the  Fund
    contemporaneously owns or  has the right  to acquire at  no additional  cost
    securities identical to those sold short;
    
 
   
        (3)  Enter into a futures contract, an  option on a futures contract, or
    an option on foreign currency traded  on a CFTC-regulated exchange, in  each
    case  other than for BONA FIDE hedging purposes (as defined by the CFTC), if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5% of  the liquidation  value of  the Fund's  portfolio, after  taking  into
    account  unrealized profits and unrealized losses  on any contracts the Fund
    has entered into;
    
 
                  Statement of Additional Information Page 18
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
        (4) Borrow  money  except for  temporary  or emergency  purposes.  While
    borrowings  exceed 5% of the Fund's total assets, the Fund will not make any
    additional investments;
    
 
   
        (5) Purchase securities  on margin,  provided that the  Fund may  obtain
    short-term  credits as may  be necessary for the  clearance of purchases and
    sales of securities,  and further  provided that  the Fund  may make  margin
    deposits  in  connection  with its  use  of financial  options  and futures,
    forward and spot currency contracts,  swap transactions and other  financial
    contracts or derivative instruments;
    
 
   
        (6)  Purchase securities for which there is no readily available market,
    or enter into repurchase  agreements or purchase  time deposits maturing  in
    more  than seven days, or  purchase OTC options or  hold assets set aside to
    cover OTC options written by the Fund, if immediately after and as a result,
    the value of  such securities  would exceed, in  the aggregate,  15% of  the
    Fund's net assets; or
    
 
   
        (7)  Mortgage, pledge, or  hypothecate any of  its assets, provided that
    this shall not apply  to the transfer of  securities in connection with  any
    permissible  borrowing  or  to collateral  arrangements  in  connection with
    permissible activities.
    
 
   
Investors should refer to the Prospectus for further information with respect to
the Fund's investment objective, which may  not be changed without the  approval
of  the shareholders, and other investment policies, techniques and limitations,
which may be changed without shareholder approval.
    
 
- --------------------------------------------------------------------------------
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject to  policies  established  by  the  Company's  Board  of  Trustees,  the
Sub-adviser   is  responsible  for   the  execution  of   the  Fund's  portfolio
transactions and the selection of  broker/dealers who execute such  transactions
on  behalf of  the Fund.  In executing  portfolio transactions,  the Sub-adviser
seeks the best net results for the Fund, taking into account such factors as the
price (including the applicable brokerage commission or dealer spread), size  of
the  order,  difficulty  of execution  and  operational facilities  of  the firm
involved.  Although  the  Sub-adviser  generally  seeks  reasonably  competitive
commission  rates and spreads, payment of the lowest commission or spread is not
necessarily consistent with the best net  results. While the Fund may engage  in
soft dollar arrangements for research services, as described below, the Fund has
no  obligation to deal with any broker/dealer  or group of broker/dealers in the
execution of portfolio transactions.
    
 
Debt securities generally are traded  on a "net" basis  with a dealer acting  as
principal for its own account without a stated commission, although the price of
the  security  usually  includes  a  profit  to  the  dealer.  U.S.  and foreign
government securities and money market  instruments generally are traded in  the
OTC  markets. In underwritten  offerings, securities usually  are purchased at a
fixed price which  includes an  amount of  compensation to  the underwriter.  On
occasion,  securities may be purchased directly from an issuer, in which case no
commissions or discounts  are paid.  Broker/dealers may  receive commissions  on
futures, currency and options transactions.
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute  the Fund's  portfolio transactions,  on the  basis of  the research and
brokerage services they provide to the  Sub-adviser for its use in managing  the
Fund  and  its other  advisory accounts.  Such  services may  include furnishing
analyses, reports and  information concerning  issuers, industries,  securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance of accounts;  and effecting securities  transactions and  performing
functions  incidental thereto (such  as clearance and  settlement). Research and
brokerage services received  from such brokers  are in addition  to, and not  in
lieu  of, the  services required  to be performed  by the  Sub-adviser under the
investment management and  administration contract.  A commission  paid to  such
brokers  may  be higher  than  that which  another  qualified broker  would have
charged for  effecting  the  same transaction,  provided  that  the  Sub-adviser
determines  in good faith that such commission  is reasonable in terms either of
that particular transaction or the overall responsibility of the Sub-adviser  to
the  Fund and its other clients and that  the total commissions paid by the Fund
will be reasonable in  relation to the  benefits received by  the Fund over  the
long  term. Research services may also be received from dealers who execute Fund
transactions in OTC markets.
    
 
                  Statement of Additional Information Page 19
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
The Sub-adviser may allocate brokerage  transactions to broker/dealers who  have
entered  into arrangements under which the  broker/dealer allocates a portion of
the commissions paid by the Fund toward payment of the Fund's expenses, such  as
transfer agent and custodian fees.
    
 
   
Investment  decisions for the Fund and  for other investment accounts managed by
the Sub-adviser  are made  independently of  each other  in light  of  differing
conditions.  However, the same investment decision  occasionally may be made for
two or more  of such accounts  including the Fund.  In such cases,  simultaneous
transactions  may occur. Purchases  or sales are  then allocated as  to price or
amount in a manner deemed fair and equitable to all accounts involved. While  in
some cases this practice could have a detrimental effect upon the price or value
of the security as far as the Fund is concerned, in other cases, the Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Fund.
    
 
   
Under  a policy adopted by  the Company's Board of  Trustees, and subject to the
policy of  obtaining  the best  net  results,  the Sub-adviser  may  consider  a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser  serves as investment  manager in selecting  brokers and dealers for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The  Fund   contemplates   purchasing   most  foreign   equity   securities   in
over-the-counter  markets or stock  exchanges located in  the countries in which
the respective principal offices  of the issuers of  the various securities  are
located,  if that is  the best available  market. The fixed  commissions paid in
connection with most such foreign  stock transactions generally are higher  than
negotiated  commissions on United  States transactions. There  generally is less
government supervision and  regulation of  foreign stock  exchanges and  brokers
than in the United States. Foreign security settlements may in some instances be
subject to delays and related administrative uncertainties.
 
Foreign  equity securities may  be held by the  Fund in the  form of ADRs, ADSs,
EDRs, CDRs or securities convertible into foreign equity securities. ADRs, ADSs,
EDRs and CDRs may be listed on stock exchanges, or traded in the OTC markets  in
the  United States or  Europe, as the  case may be.  ADRs, like other securities
traded in the United States, will be subject to negotiated commission rates. The
foreign and domestic debt securities and  money market instruments in which  the
Fund may invest generally are traded in the OTC markets.
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results,  brokerage transactions may be conducted through certain companies that
are affiliated with AIM or the Sub-adviser. The Company's Board of Trustees  has
adopted  procedures in conformity with  Rule 17e-1 under the  1940 Act to ensure
that all brokerage commissions paid to  such affiliates are reasonable and  fair
in  the context of the market in which they are operating. Any such transactions
will  be  effected  and  related  compensation  paid  only  in  accordance  with
applicable SEC regulations.
    
 
   
For  the fiscal  years ended  October 31,  1997, 1996,  and 1995,  the Fund paid
aggregate  brokerage   commissions   of   $463,307,   $257,953   and   $318,958,
respectively.  For the fiscal  years ended October  31, 1996 and  1997, the Fund
paid to  LGT  Bank  in  Liechtenstein, AG,  an  "affiliated"  broker,  aggregate
brokerage  commissions of  $16,898 and  $12,262, respectively,  for transactions
involving purchases and  sales of portfolio  securities which represented  6.55%
and  2.65% respectively, of the total brokerage commissions paid by the Fund and
5.69% and 2.94%, respectively,  of the aggregate  dollar amount of  transactions
involving payment of commissions by the Fund.
    
 
PORTFOLIO TRADING AND TURNOVER
   
The  Fund engages in  portfolio trading when the  Sub-adviser has concluded that
the sale of a security owned by the Fund and/or the purchase of another security
of better value can enhance principal and/or increase income. A security may  be
sold  to avoid  any prospective decline  in market  value, or a  security may be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment  objective, a  security also  may be  sold and  a comparable security
purchased coincidentally in order to take advantage of what is believed to be  a
disparity in the normal yield and price relationship between the two securities.
Although the Fund does not intend generally to trade for short-term profits, the
securities  in the Fund's portfolio will be sold whenever management believes it
is appropriate to  do so,  without regard  to the  length of  time a  particular
security  may have been held. Portfolio  turnover rate is calculated by dividing
the lesser of sales or purchases  of portfolio securities by the Fund's  average
month-end  portfolio  values  excluding  short-term  investments.  The portfolio
turnover rate will not be a limiting factor when the Sub-adviser deems portfolio
changes appropriate. Higher portfolio turnover involves correspondingly  greater
brokerage  commissions  and  other transaction  costs  that the  Fund  will bear
directly, and  may result  in the  realization  of net  capital gains  that  are
taxable  when distributed to the Fund's shareholders. For the fiscal years ended
October 31, 1997 and 1996, the Fund's portfolio turnover rates were 50% and 39%,
respectively.
    
 
                  Statement of Additional Information Page 20
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*  Mr. Guilfoyle is an "interested person" of the Company as defined by the 1940
Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 21
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
Kenneth W. Chancey, 52                   Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since 1997; Vice
Vice President and                       President -- Mutual Fund Accounting, the Sub-adviser from 1992 to 1997; and Vice
Principal Accounting Officer             President, Putnam Fiduciary Trust Company from 1989 to 1992.
50 California Street
San Francisco, CA 94111
 
Helge K. Lee, 52                         Chief Legal and Compliance Officer -- North America, the Sub-adviser since October 1997;
Vice President                           Executive Vice President of the Asset Management Division of Liechtenstein Global Trust
50 California Street                     since October 1996; Senior Vice President, General Counsel and Secretary of [Chancellor
San Francisco, CA 94111                  LGT], GT Global, GT Services and G.T. Insurance from February 1996 to October 1996; Vice
                                         President, General Counsel and Secretary of LGT Asset Management, Inc., Chancellor LGT, GT
                                         Global, GT Services and G.T. Insurance from May 1994 to October 1996; Senior Vice
                                         President, General Counsel and Secretary of Strong/Corneliuson Management, Inc. and
                                         Secretary of each of the Strong Funds from October 1991 through May 1994.
</TABLE>
    
 
                         ------------------------------
 
   
The  Board of Trustees has  a Nominating and Audit  Committee, comprised of Miss
Quigley and Messrs.  Anderson, Bayley  and Patterson, which  is responsible  for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds  and recommending firms to serve  as independent auditors for the Company.
Each of the Trustees and Officers of  the Company is also a Trustee and  Officer
of  G.T. Investment Portfolios,  GT Global Floating Rate  Fund, GT Global Series
Trust, G.T. Global  Growth Series and  a Trustee of  G.T. Global Eastern  Europe
Fund,  G.T. Global  Variable Investment  Trust, G.T.  Global Variable Investment
Series, Global  High  Income  Portfolio,  Floating  Rate  Portfolio  and  Global
Investment  Portfolio, which are also registered investment companies advised by
AIM and sub-advised by the Sub-adviser. Each Trustee and Officer serves in total
as a Trustee and  Officer, respectively, of  12 registered investment  companies
with   47  series   managed  or   administered  by   AIM  and   sub-advised  and
sub-administered by the Sub-adviser. Each Trustee who is not a trustee,  officer
or  employee of the Sub-adviser or any affiliated company is paid aggregate fees
of $5,000 per annum, plus $300 per Fund for each meeting of the Board  attended,
and  reimbursed travel and other expenses incurred in connection with attendance
at such meetings. Other Trustees and Officers receive no compensation or expense
reimbursement from the Company. For the fiscal year ended October 31, 1997,  Mr.
Anderson,  Mr. Bayley,  Mr. Patterson and  Miss Quigley, who  are not directors,
officers or employees of the  Sub-adviser or other affiliated company,  received
total  compensation of $38,650, $38,650, $27,850 and $38,650, respectively, from
the Company for which he or she serves  as a Trustee. For the fiscal year  ended
October  31,  1997 Mr.  Anderson,  Mr. Bayley,  Mr.  Patterson and  Miss Quigley
received  total  compensation  of  $117,304,  $114,386,  $88,350  and  $111,688,
respectively,  from the investment companies managed  or administered by AIM and
sub-advised and sub-administered by the Sub-adviser  for which he or she  serves
as  a Trustee. Fees and expenses disbursed  to the Trustees contained no accrued
or payable pension or retirement benefits.  As of January 8, 1998, the  Officers
and  Trustees and their families as a  group owned in the aggregate beneficially
or of record less than 1%  of the outstanding shares of  the Fund or of all  the
Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and AIM. The Sub-adviser serves as the sub-adviser and sub-
administrator to the Fund under  a Sub-Advisory and Sub-Administration  Contract
between  AIM and the  Sub-adviser ("Sub-Management Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Fund  and  administer  the  Fund's  affairs. Among  other  things,  AIM  and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of  the Company  and  the Fund,  and  provide suitable  office space,
necessary small office equipment and utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's Board  of  Trustees, or  by  the vote  of  a majority  of  the  Fund's
outstanding  voting securities (as defined in the 1940 Act), and (ii) a majority
of Trustees  who are  not parties  to the  Management Contracts  or  "interested
persons"  of any such  party (as defined in  the 1940 Act), cast  in person at a
meeting called  for  the  specific  purpose of  voting  on  such  approval.  The
Management  Contracts provide that with respect to the Fund, the Company or each
of AIM or the Sub-adviser may terminate the Contracts without penalty upon sixty
days' written notice.  The Management Contracts  terminate automatically in  the
event of their assignment (as defined in the 1940 Act).
    
 
   
The   following  table  discloses  the   amount  of  investment  management  and
administration fees paid by the Fund  to the Sub-adviser during the Fund's  last
three fiscal years:
    
 
<TABLE>
<CAPTION>
YEAR ENDED OCT. 31,                                                                                         AMOUNT PAID
- ---------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                        <C>
1997.....................................................................................................  $   6,900,695
1996.....................................................................................................  $   6,282,438
1995.....................................................................................................  $   6,301,399
</TABLE>
 
DISTRIBUTION SERVICES
   
The  Fund's Advisor  Class shares  are offered  continuously through  the Fund's
principal underwriter and  distributor, AIM  Distributors, on  a "best  efforts"
basis without a sales charge or a contingent deferred sales charge.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The  Transfer  Agent  has  been  retained by  the  Fund  to  perform shareholder
servicing, reporting  and general  transfer agent  functions for  the Fund.  For
these  services, the Transfer Agent receives an annual maintenance fee of $17.50
per account, a new account  fee of $4.00 per account,  a per transaction fee  of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent also is reimbursed by the Fund for its out-of-pocket expenses
for  such  items as  postage, forms,  telephone  charges, stationery  and office
supplies. The Sub-adviser serves as the Fund's pricing and accounting agent. For
the fiscal years ended October 31, 1997, October 31, 1996 and October 31,  1995,
the  Fund paid accounting services fees to the Sub-adviser of $183,323, $162,035
and $40,735, respectively.
    
 
EXPENSES OF THE FUND
   
The Fund pays all expenses not assumed by AIM, the Sub-adviser, AIM Distributors
and  other  agents.  These  expenses  include,  in  addition  to  the  advisory,
distribution,  transfer agency, pricing and accounting agency and brokerage fees
discussed above,  legal and  audit expenses,  custodian fees,  directors'  fees,
organizational   fees,  fidelity  bond  and  other  insurance  premiums,  taxes,
extraordinary expenses  and the  expenses of  reports and  prospectuses sent  to
existing  investors.  The allocation  of general  Company expenses  and expenses
shared among the Fund  and other funds  organized as series  of the Company  are
allocated  on  a basis  deemed fair  and equitable,  which may  be based  on the
relative net assets  of the Fund  or the  nature of the  services performed  and
relative  applicability to the  Fund. Expenditures, including  costs incurred in
connection with  the  purchase  or  sale  of  portfolio  securities,  which  are
capitalized   in  accordance  with   generally  accepted  accounting  principles
applicable to investment companies, are accounted  for as capital items and  not
as  expenses. The ratio of the Fund's expenses to its relative net assets can be
expected to  be higher  than the  expense ratios  of funds  investing solely  in
domestic  securities,  since  the cost  of  maintaining the  custody  of foreign
securities and the rate of investment management fees paid by the Fund generally
are higher than the comparable expenses of such other funds.
    
 
                  Statement of Additional Information Page 23
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As  described in the Prospectus,  the Fund's net asset  value per share for each
class of shares is determined  at the close of regular  trading on the New  York
Stock  Exchange  ("NYSE") (currently  4:00  p.m. Eastern  Time,  unless weather,
equipment failure or  other factors contribute  to an earlier  closing time)  on
each  business day the NYSE is open  for business. Currently, the NYSE is closed
on weekends and on certain days  relating to the following holidays: New  Year's
Day,  Martin Luther King  Day, President's Day, Good  Friday, Memorial Day, July
4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
The Fund's portfolio securities and other assets are valued as follows:
 
   
Equity securities, including  ADRs, ADSs, GDRs,  and EDRs, which  are traded  on
stock  exchanges, are valued  at the last sale  price on the  exchange or in the
principal over-the-counter market in which such securities are traded, as of the
close of business on  the day the  securities are being  valued or, lacking  any
sales,  at the last available bid price. In cases where securities are traded on
more than one exchange, the securities are valued on the exchange determined  by
the Sub-adviser to be the primary market.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
and asked prices for such  securities or, if such  prices are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a bond pricing service will  be used. Short-term investments are amortized
to maturity  based on  their cost,  adjusted for  foreign exchange  translation,
provided such valuations represent fair value.
    
 
   
Options  on indices, securities and currencies  purchased by the Fund are valued
at their last bid  price in the case  of listed options or,  in the case of  OTC
options,  at the average of  the last bid prices  obtained from dealers unless a
quotation from only one  dealer is available, in  which case only that  dealer's
price  will be used. The value of  each security denominated in a currency other
than U.S. dollars will be translated into U.S. dollars at the prevailing  market
rate  as determined by the  Sub-adviser on that day.  When market quotations for
futures and options  on futures held  by the Fund  are readily available,  those
positions will be valued based upon such quotations.
    
 
   
Securities  and  other  assets  for  which  market  quotations  are  not readily
available (including restricted securities which  are subject to limitations  as
to  their sale) are valued at fair value as determined in good faith by or under
the direction  of the  Company's  Board of  Trustees. The  valuation  procedures
applied  in any specific instance are likely to vary from case to case. However,
consideration generally is  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also generally are considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to  arrive  at the  value  of  the Fund's  total  assets.  The Fund's
liabilities, including  accruals  for  expenses, are  deducted  from  its  total
assets.  Once the total  value of the  Fund's net assets  is so determined, that
value is  then divided  by the  total number  of shares  outstanding  (excluding
treasury  shares), and the result, rounded to  the nearer cent, is the net asset
value per share.
 
   
Any assets or liabilities initially expressed in terms of foreign currencies are
translated into U.S. dollars at the official exchange rate or at the mean of the
current bid and  asked prices of  such currencies against  the U.S. dollar  last
quoted  by a major  bank that is  a regular participant  in the foreign exchange
market or on the basis of a  pricing service that takes into account the  quotes
provided  by a  number of such  major banks.  If none of  these alternatives are
available, or none are deemed to provide a suitable methodology for converting a
foreign currency into U.S. dollars, the  Board of Trustees, in good faith,  will
establish a conversion rate for such currency.
    
 
European,  Far Eastern, or Latin American  securities trading may not take place
on all days on which the NYSE is open. Further, trading takes place in  Japanese
markets on certain Saturdays and in various foreign markets on days on which the
NYSE is not open. In addition, trading in securities on European and Far Eastern
securities exchanges and OTC markets
 
                  Statement of Additional Information Page 24
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
   
generally  is completed well before  the close of the  business day in New York.
Consequently, the calculation of the Fund's  net asset value may not take  place
contemporaneously with the determination of the prices of securities held by the
Fund. Events affecting the values of portfolio securities that occur between the
time  their prices are determined  and the close of  regular trading on the NYSE
will not be  reflected in  the Fund's net  asset value  unless the  Sub-adviser,
under  the supervision of  the Company's Board of  Trustees, determines that the
particular event  would materially  affect net  asset value.  As a  result,  the
Fund's  net asset value  may be significantly  affected by such  trading on days
when a shareholder cannot purchase or redeem shares of the Fund.
    
 
- --------------------------------------------------------------------------------
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment for Advisor Class shares purchased should accompany the purchase  order,
or  funds should be wired to the  Transfer Agent as described in the Prospectus.
Payment for Fund shares, other than by  wire transfer, must be made by check  or
money order drawn on a U.S. bank. Checks or money orders must be payable in U.S.
dollars.
 
As  a condition of this offering, if an order to purchase either class of shares
is cancelled due to nonpayment (for example, on account of a check returned  for
"not  sufficient funds"), the person who made  the order will be responsible for
any loss  incurred by  the Fund  by reason  of such  cancellation, and  if  such
purchaser  is a shareholder, the  Fund shall have the  authority as agent of the
shareholder to redeem  shares in his  or her account  at their then-current  net
asset  value per share  to reimburse the  Fund for the  loss incurred. Investors
whose purchase orders have  been cancelled due to  nonpayment may be  prohibited
from placing future orders.
 
The  Fund  reserves the  right  at any  time to  waive  or increase  the minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons.  An order to purchase shares  is not binding on  the
Fund  until it  has been confirmed  in writing  by the Transfer  Agent (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders,  the Fund reserves the right to reject any offer for a purchase of
shares by any individual.
 
SALES OUTSIDE THE UNITED STATES
Sales of Fund shares made through brokers  outside the United States will be  at
net  asset value plus a sales commission,  if any, established by that broker or
by local law.
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
 
   
IRAS: If you have earned income from employment (including self-employment), you
can contribute each year to an IRA up  to the lesser of (1) $2,000 for  yourself
or  $4,000  for  you and  your  spouse,  regardless of  whether  your  spouse is
employed, or (2) 100% of compensation. Some  individuals may be able to take  an
income tax deduction for the contribution. Regular contributions may not be made
for  the year  you become 70  1/2 or  thereafter. Unless your  and your spouse's
earnings exceed  a certain  level, you  also may  establish an  "education  IRA"
and/or  a "Roth  IRA." Although  contributions to  these new  types of  IRAs are
nondeductible,  withdrawals   from  them   will   be  tax-free   under   certain
circumstances.  Please  consult  your  tax  adviser  for  more  information. IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER IRAS: Individuals who  receive distributions from qualified  retirement
plans  (other than  required distributions) and  who wish to  keep their savings
growing tax-deferred  can  roll  over  (or make  a  direct  transfer  of)  their
distribution  to a  Rollover IRA. These  accounts can also  receive rollovers or
transfers from an existing  IRA. If an "eligible  rollover distribution" from  a
qualified  employer-sponsored retirement plan is not  directly rolled over to an
IRA (or  certain  qualified plans),  withholding  at the  rate  of 20%  will  be
required  for federal income tax purposes.  A distribution from a qualified plan
that is not an "eligible  rollover distribution," including a distribution  that
is  one of series of substantially equal periodic payments, generally is subject
to regular wage withholding or withholding at the rate of 10% (depending on  the
type  and  amount  of  the  distribution), unless  you  elect  not  to  have any
withholding apply. Please consult your tax adviser for more information.
 
                  Statement of Additional Information Page 25
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
SEP-IRAS: Simplified  employee  pension  plans ("SEPs"  or  "SEP-IRAs")  provide
self-employed  individuals (and any eligible employees) with benefits similar to
Keogh plans (I.E.,  self-employed individual retirement  plans) or Code  Section
401(k)   plans,  but  with  fewer   administrative  requirements  and  therefore
potentially lower annual administration expenses.
 
CODE SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and  most
other  tax-exempt organizations can make  pre-tax salary reduction contributions
to these accounts.
 
PROFIT-SHARING  (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE   PENSION
PLANS:  Corporations  and other  employers can  sponsor these  qualified defined
contribution plans  for  their employees.  A  Section  401(k) plan,  a  type  of
profit-sharing  plan, additionally permits the eligible, participating employees
to make  pre-tax salary  reduction  contributions to  the  plan (up  to  certain
limits).
 
SIMPLE  PLANS: Employers with  no more than  100 employees that  do not maintain
another retirement  plan  may  establish  a Savings  Incentive  Match  Plan  for
Employees  ("SIMPLE") either  as separate  IRAs or as  part of  a Section 401(k)
plan. SIMPLEs are not  subject to the  complicated nondiscrimination rules  that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
   
Shares  of the Fund  may be exchanged  for shares of  the corresponding class of
other GT Global Mutual Funds based on their respective net asset values  without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical. The exchange privilege is not  an option or right to purchase  shares
but  is permitted under the current policies  of the respective GT Global Mutual
Funds. The privilege may be discontinued or changed at any time by any of  those
funds  upon sixty days'  written notice to  the shareholders of  the fund and is
available only  in  states  where  the exchange  may  be  made  legally.  Before
purchasing  shares through the exercise of the exchange privilege, a shareholder
should obtain and read a copy of the prospectus of the fund to be purchased  and
should consider the investment objective(s).
    
 
TELEPHONE REDEMPTIONS
A  corporation or partnership  wishing to utilize  telephone redemption services
must submit a "Corporate Resolution" or "Certificate of Partnership"  indicating
the names, titles and the required number of signatures of persons authorized to
act  on  its  behalf.  The  certificate must  be  signed  by  a  duly authorized
officer(s) and,  in  the case  of  a corporation,  the  corporate seal  must  be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank  wire upon request directly to the shareholder's predesignated account at a
domestic bank or savings institution, if  the proceeds are at least $500.  Costs
in  connection with the administration of  this service, including wire charges,
currently are borne by the  Fund. Proceeds of less than  $500 will be mailed  to
the  shareholder's registered address of record. The Fund and the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The  Fund may suspend redemption privileges or  postpone the date of payment for
more than seven days after a redemption order is received during any period  (1)
when  the NYSE is closed  other than customary weekend  and holiday closings, or
trading on the NYSE is restricted as directed by the SEC, (2) when an  emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Fund  to dispose of securities  owned by it or fairly  to determine the value of
its assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It is possible  that conditions  may arise  in the  future which  would, in  the
opinion  of the Company's Board of Trustees, make it undesirable for the Fund to
pay for all redemptions in cash. In such cases, the Board may authorize  payment
to  be made  in portfolio  securities or other  property of  the Fund, so-called
"redemptions in kind." Payment  of redemptions in kind  will be made in  readily
marketable  securities.  Such  securities  would be  valued  at  the  same value
assigned to  them in  computing  the net  asset  value per  share.  Shareholders
receiving  such  securities  would incur  brokerage  costs in  selling  any such
securities so received. However,  despite the foregoing,  the Company has  filed
with  the SEC an election  pursuant to Rule 8f-1 under  the 1940 Act. This means
that the  Fund  will  pay in  cash  all  requests for  redemption  made  by  any
shareholder of record, limited in amount with respect to each shareholder during
any  ninety-day period to the lesser of $250,000 or 1% of the net asset value of
the Fund at the beginning of such  period. This election will be irrevocable  so
long  as Rule 18f-1 remains in effect,  unless the SEC by order upon application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To continue to qualify for treatment  as a regulated investment company  ("RIC")
under  the  Code, as  amended  (the "Code"),  the  Fund must  distribute  to its
shareholders for  each taxable  year  at least  90%  of its  investment  company
taxable  income (consisting generally  of net investment  income, net short-term
capital  gain  and  net  gains  from  certain  foreign  currency   transactions)
("Distribution  Requirement")  and  must meet  several  additional requirements.
These requirements include the following: (1) the Fund must derive at least  90%
of  its gross income  each taxable year from  dividends, interest, payments with
respect to securities  loans and  gains from the  sale or  other disposition  of
securities or foreign currencies, or other income (including gains from options,
Futures  or Forward Contracts) derived with respect to its business of investing
in securities or those  currencies ("Income Requirement"); (2)  at the close  of
each  quarter of the Fund's taxable year, at least 50% of the value of its total
assets must be represented by cash  and cash items, U.S. government  securities,
securities  of  other RICs  and other  securities,  with these  other securities
limited, in respect of any one issuer, to  an amount that does not exceed 5%  of
the  value of the Fund's total assets and  that does not represent more than 10%
of the issuer's  outstanding voting  securities; and (3)  at the  close of  each
quarter  of the Fund's taxable year, not more than 25% of the value of its total
assets may be invested in securities  (other than U.S. government securities  or
the securities of other RICs) of any one issuer.
 
Dividends  and  other distributions  declared  by the  Fund  in, and  payable to
shareholders of record as  of a date  in, October, November  or December of  any
year  will  be  deemed  to have  been  paid  by  the Fund  and  received  by the
shareholders on December 31 of  that year if the  distributions are paid by  the
Fund  during  the following  January. Accordingly,  those distributions  will be
taxed to shareholders for the year in which that December 31 falls.
 
A portion of  the dividends from  the Fund's investment  company taxable  income
(whether  paid in cash or  reinvested in additional shares)  may be eligible for
the dividends-received deduction allowed  to corporations. The eligible  portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If Fund shares are sold at a loss  after being held for six months or less,  the
loss  will be treated as  long-term, instead of short-term,  capital loss to the
extent of any  capital gain  distributions received on  those shares.  Investors
also should be aware that if shares are purchased shortly before the record date
for  any dividend or other distribution, the shareholder will pay full price for
the shares and receive some portion of the price back as a taxable distribution.
 
The Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to  the
extent  it fails to distribute by the end of any calendar year substantially all
of its  ordinary income  for  that year  and capital  gain  net income  for  the
one-year period ending on October 31 of that year plus certain other amounts.
 
FOREIGN TAXES
Dividends  and interest received by the Fund, and gains realized thereby, may be
subject to income, withholding or other  taxes imposed by foreign countries  and
U.S.  possessions ("foreign  taxes") that  would reduce  the yield  and/or total
return on  its securities.  Tax conventions  between certain  countries and  the
United  States may reduce or eliminate  foreign taxes, however, and many foreign
countries do not  impose taxes  on capital gains  in respect  of investments  by
foreign  investors. If more than 50% of the  value of the Fund's total assets at
the close of its  taxable year consists of  securities of foreign  corporations,
the  Fund  will be  eligible to,  and may,  file an  election with  the Internal
Revenue Service that  will enable its  shareholders, in effect,  to receive  the
benefit  of the foreign tax credit with respect to any foreign taxes paid by it.
Pursuant to the election, the Fund would treat those taxes as dividends paid  to
its  shareholders and each shareholder would be required to (1) include in gross
income, and treat as paid by him, his share of those taxes, (2) treat his  share
of  those taxes and of any dividend paid by the Fund that represents income from
foreign and U.S. possessions  sources as his own  income from those sources  and
(3)  either deduct the taxes deemed paid  by him in computing his taxable income
or, alternatively, use the foregoing information in calculating the foreign  tax
credit  against his federal income tax. The Fund will report to its shareholders
shortly after each taxable  year their respective shares  of the Fund's  foreign
taxes  and income from sources within, foreign countries and U.S. possessions if
it makes this election. Pursuant to the Taxpayer Relief Act of 1997 ("Tax Act"),
individuals who have no more than $300 ($600 for married persons filing jointly)
of creditable  foreign taxes  included on  Form 1099  and all  of whose  foreign
source  income  is  "qualified  passive  income"  may  elect  each  year  to  be
 
                  Statement of Additional Information Page 27
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
exempt from the extremely complicated foreign tax credit limitation and will  be
able to claim a foreign tax credit without having to file the detailed Form 1116
that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The  Fund  may invest  in the  stock of  "passive foreign  investment companies"
("PFICs"). A PFIC is a foreign  corporation -- other than a "controlled  foreign
corporation"  (I.E.,  a foreign  corporation  in which,  on  any day  during its
taxable year,  more than  50% of  the total  voting power  of all  voting  stock
therein  or the total value of all  stock therein is owned, directly, indirectly
or constructively, by  "U.S. shareholders,"  defined as U.S.  persons that  own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which  the Fund is a U.S. shareholder  (effective for its taxable year beginning
November 1, 1998) -- that, in general, meets either of the following tests:  (1)
at least 75% of its gross income is passive or (2) an average of at least 50% of
its  assets produce, or  are held for  the production of,  passive income. Under
certain circumstances,  the Fund  will be  subject to  federal income  tax on  a
portion  of any  "excess distribution"  received on,  or of  any gains  from the
disposition of,  stock of  a PFIC  (collectively "PFIC  income"), plus  interest
thereon,  even if the Fund distributed the  PFIC income as a taxable dividend to
its shareholders. The balance of the PFIC income will be included in the  Fund's
investment  company taxable income and, accordingly,  will not be taxable to the
Fund to the extent it distributes that income to its shareholders.
 
If the Fund  invests in  a PFIC and  elects to  treat the PFIC  as a  "qualified
electing  fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and interest
obligation, the Fund would be  required to include in  income each year its  pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of  net long-term capital gain  over net short-term capital  loss) -- which most
likely would have  to be  distributed by the  Fund to  satisfy the  Distribution
Requirement and avoid imposition of the Excise Tax -- even if those earnings and
gain  were not received by the  Fund from the QEF. In  most instances it will be
very difficult, if  not impossible,  to make  this election  because of  certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark  to market" its  stock in any PFIC.  "Marking-to-Market," in this context,
means including in ordinary income each taxable year the excess, if any, of  the
fair  market value of the stock over the Fund's adjusted basis therein as of the
end of that year.  Pursuant to the  election, the Fund also  will be allowed  to
deduct  (as an ordinary, not capital, loss)  the excess, if any, of its adjusted
basis in  PFIC stock  over  the fair  market value  thereof  as of  the  taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that  stock included in income  by the Fund for  prior taxable years. The Fund's
adjusted basis in each PFIC's stock subject to the election will be adjusted  to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations proposed in 1992  would provide a similar  election with respect  to
the stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends  paid by the Fund to a shareholder  who, as to the United States, is a
nonresident alien individual, nonresident alien fiduciary of a trust or  estate,
foreign  corporation  or foreign  partnership ("foreign  shareholder") generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder that is "effectively connected with  the conduct of a U.S. trade  or
business,"  in which case the  reporting and withholding requirements applicable
to domestic shareholders will apply. A  distribution of net capital gain by  the
Fund  to a foreign shareholder generally will  be subject to U.S. federal income
tax (at the rates  applicable to domestic persons)  only if the distribution  is
"effectively  connected" or  the foreign  shareholder is  treated as  a resident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options and Futures and entering into Forward Contracts, involves complex  rules
that  will determine, for federal income tax purposes, the amount, character and
timing of recognition of  the gains and losses  the Fund realizes in  connection
therewith.  Gains  from the  disposition of  foreign currencies  (except certain
gains that  may be  excluded by  future regulations),  and gains  from  options,
Futures  and Forward Contracts derived by the  Fund with respect to its business
of investing in securities  or foreign currencies,  will qualify as  permissible
income under the Income Requirement.
 
Futures  and Forward  Contracts that  are subject  to section  1256 of  the Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts")  and  that are  held by  the Fund  at  the end  of its  taxable year
generally will be deemed to  have been sold at  market value for federal  income
tax  purposes. Sixty percent of any net  gain or loss recognized on these deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256 Contracts,  will be  treated as  long-term capital  gain or  loss, and  the
balance  will be treated as  short-term capital gain or loss.  As of the date of
preparation of  this Statement  of Additional  Information, it  is not  entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net  capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the 15%
marginal tax bracket) for gain recognized  on capital assets held for more  than
18  months -- instead of  the 28% rate in  effect before that legislation, which
now applies to gain recognized on capital assets held for more than one year but
not more than
 
                  Statement of Additional Information Page 28
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
18 months, although  technical corrections  legislation passed by  the House  of
Representatives late in 1997 would treat it as qualifying therefor.
 
Section  988 of the Code also may apply to gains and losses from transactions in
foreign currencies,  foreign-currency-denominated debt  securities and  options,
Futures  and Forward  Contracts on foreign  currencies ("Section  988" gains and
losses). Each Section  988 gain  or loss  generally is  computed separately  and
treated as ordinary income or loss. In the case of overlap between sections 1256
and  988, special provisions  determine the character and  timing of any income,
gain or loss. The Fund attempts to monitor section 988 transactions to  minimize
any adverse tax impact.
 
If  the Fund has  an "appreciated financial position"  -- generally, an interest
(including an interest through an option,  Futures or Forward Contract or  short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership  interest the fair market value  of which exceeds its adjusted basis
- -- and enters into  a "constructive sale" of  the same or substantially  similar
property,  the Fund will be treated as  having made an actual sale thereof, with
the result  that gain  will be  recognized  at that  time. A  constructive  sale
generally consists of a short sale, an offsetting notional principal contract or
Futures  or Forward Contract entered  into by the Fund  or a related person with
respect to  the same  or substantially  similar property.  In addition,  if  the
appreciated  financial  position is  itself  a short  sale  or such  a contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting the Fund and its  shareholders. Investors are urged to
consult their own tax advisers for more detailed information and for information
regarding any  foreign,  state  and  local  taxes  applicable  to  distributions
received from the Fund.
 
- --------------------------------------------------------------------------------
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
 
   
AIM  was organized in 1976, and along  with its subsidiaries, manages or advises
over 50 investment company portfolios  encompassing a broad range of  investment
objectives.  AIM is a direct, wholly owned  subsidiary of A I M Management Group
Inc. ("AIM  Management"),  a  holding  company that  has  been  engaged  in  the
financial  services  business since  1976. AIM  is the  sole shareholder  of the
Funds' principal underwriter,  AIM Distributors. AIM  Management is an  indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England.  AMVESCAP  PLC  and  its  subsidiaries  are  an  independent investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide  asset  management  affiliates   also  currently  include  GT   Asset
Management  Inc. in Toronto, Canada; GT Asset Management PLC in London, England;
GT Asset Management Ltd.  in Hong Kong;  GT Asset Management  Ltd. in Tokyo;  GT
Asset Management Pte. Ltd. in Singapore; GT Asset Management Ltd. in Sydney; and
GT Asset Management GmbH in Frankfurt, Germany.]
    
 
CUSTODIAN
State  Street  Bank and  Trust Company  ("State  Street"), 225  Franklin Street,
Boston, MA  02110, acts  as custodian  of  the Fund's  assets. State  Street  is
authorized  to  establish  and  has  established  separate  accounts  in foreign
currencies and to cause securities of the  Fund to be held in separate  accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The  Fund's independent accountants are                        , One Post Office
Square, Boston, MA 02109.                         , conducts an annual audit  of
the  Fund, assists in the preparation of the Fund's federal and state income tax
returns and consults with the Company and the Fund as to matters of  accounting,
regulatory filings, and federal and state income taxation.
    
 
   
The  audited financial statements  of the Company included  in this Statement of
Additional Information have been examined by                        , as  stated
in their opinion appearing herein and are included in reliance upon such opinion
given upon the authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The  Sub-adviser  has granted  the Company  the right  to use  the "GT"  and "GT
Global" names and has reserved the right  to withdraw its consent to the use  of
such  names by the Company and/or  the Fund at any time,  or to grant the use of
such names to any other company.
    
 
                  Statement of Additional Information Page 29
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
   
The Fund's "Standardized Returns," as referred to in the Prospectus (see  "Other
Information  --  Performance  Information" in  the  Prospectus),  are calculated
separately for  Class  A and  Advisor  Class shares  of  the Fund,  as  follows:
Standardized Return (average annual total return ("T")) is computed by using the
ending  redeeming value ("ERV")  of a hypothetical  initial investment of $1,000
("P") over  a  period of  years  ("n") according  to  the following  formula  as
required  by the SEC: P(1+T) to the (n)th power = ERV. The following assumptions
will be reflected in computations made in accordance with this formula: (1)  for
Class  A shares, deduction of the maximum  sales charge of 4.75% from the $1,000
initial investment; (2) for Advisor Class shares, deduction of a sales charge is
not applicable; (3)  reinvestment of  dividends and other  distributions at  net
asset  value  on the  reinvestment  date determined  by  the Company's  Board of
Trustees; and (4) a complete redemption at the end of any period illustrated.
    
 
The Standardized Returns for the Class A  and Advisor Class shares of the  Fund,
stated as average annualized total returns, for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                              GROWTH AND        GROWTH AND
                                                                                              INCOME FUND       INCOME FUND
PERIOD                                                                                         (CLASS A)      (ADVISOR CLASS)
- ------------------------------------------------------------------------------------------  ---------------  -----------------
<S>                                                                                         <C>              <C>
Fiscal year ended Oct. 31, 1997...........................................................         13.35%            19.23%
Oct. 31, 1992 through Oct. 31, 1997.......................................................         12.67%              n/a
June 1, 1995 (commencement of operations) through Oct. 31, 1997...........................           n/a             16.63%
Sept. 25, 1990 (commencement of operations) through Oct. 31, 1997.........................         11.95%              n/a
</TABLE>
 
NON-STANDARDIZED RETURNS
In   addition  to   Standardized  Returns,   the  Fund   may  also   include  in
advertisements, sales  literature and  shareholder  reports other  total  return
performance   data  ("Non-Standardized  Return").   Non-Standardized  Return  is
calculated separately for Class A, Class B and Advisor Class shares of the  Fund
and  may be calculated according to several different formulas. Non-Standardized
Returns may  be  quoted  for  the  same or  different  time  periods  for  which
Standardized  Returns are quoted.  Non-Standardized Returns may  or may not take
sales charges  into  account; performance  data  calculated without  taking  the
effect  of sales  charges into  account will be  higher than  data including the
effect of such charges. Advisor Class shares are not subject to sales charges.
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to  the  following formula:  T=(VOA/P)-1.  Aggregate Non-Standardized
Return assumes reinvestment of dividends and other distributions.
 
The aggregate Non-Standardized Returns (not  taking sales charges into  account)
for  the Class A and Advisor Class shares of the Fund, stated as aggregate total
returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                              GROWTH AND        GROWTH AND
                                                                                              INCOME FUND       INCOME FUND
PERIOD                                                                                         (CLASS A)      (ADVISOR CLASS)
- ------------------------------------------------------------------------------------------  ---------------  -----------------
<S>                                                                                         <C>              <C>
June 1, 1995 (commencement of operations) through Oct. 31, 1997...........................           n/a             45.09%
Sept. 25, 1990 (commencement of operations) through Oct. 31, 1997.........................        133.95%              n/a
</TABLE>
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
The Fund and  AIM Distributors may  from time to  time in advertisements,  sales
literature and reports furnished to present or prospective shareholders, compare
the Fund with the following, among others:
    
 
        (1)  The Consumer Price Index ("CPI"), which is a measure of the average
    change in prices over time  in a fixed market  basket of goods and  services
    (e.g.,  food, clothing,  shelter, fuels,  transportation fares,  charges for
    doctors' and dentists' services, prescription medicines, and other goods and
    services that people  buy for  day-to-day living). There  is inflation  risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2)  Data and mutual fund rankings and comparisons published or prepared
    by  Lipper  Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger
    Investment   Company   Services   ("CDA/Wiesenberger"),   Morningstar,  Inc.
 
                  Statement of Additional Information Page 30
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
    ("Morningstar"), Micropal,  Inc. and/or  other  companies that  rank  and/or
    compare  mutual funds by overall performance, investment objectives, assets,
    expense levels, periods of existence  and/or other factors. In this  regard,
    the  Fund  may  be  compared  to its  "peer  group"  as  defined  by Lipper,
    CDA/Wiesenberger, Morningstar  and/or  other  firms, as  applicable,  or  to
    specific  funds or  groups of  funds within or  outside of  such peer group.
    Lipper generally  ranks  funds  on  the  basis  of  total  return,  assuming
    reinvestment of distributions, but does not take sales charges or redemption
    fees into consideration, and is prepared without regard to tax consequences.
    In  addition  to the  mutual fund  rankings, the  Fund's performance  may be
    compared to mutual fund performance indices prepared by Lipper.  Morningstar
    is a mutual fund rating service that also rates mutual funds on the basis of
    risk-adjusted  performance. Morningstar ratings are calculated from a fund's
    three, five  and  ten  year  average annual  returns  with  appropriate  fee
    adjustments and a risk factor that reflects fund performance relative to the
    three-month  U.S. Treasury bill monthly returns. Ten percent of the funds in
    an investment category receive five stars and 22.5% receive four stars.  The
    ratings are subject to change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    price of 500 of the largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley  Capital International All  Country (AC) World  index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2,500 different issuers,  located in 47 countries,  and
    grouped in 38 separate industries.
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE") which provides brief reports on most of the World Bank's  borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunications companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval  service  for information,  including international  financial and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
       (17)  Various publications produced  by ratings agencies  such as Moody's
    Investors Service, Inc. ("Moody's"),  Standard & Poor's,  a division of  The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18)  Wilshire Associates which is  an on-line database for international
    financial and economic data including  performance measure for a wide  range
    of securities.
 
       (19)  Bank Rate National Monitor Index, which is an average of the quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20) International  Finance  Corporation ("IFC")  Emerging  Markets  Data
    Base,  which  provides  detailed statistics  on  stock and  bond  markets in
    developing countries.
 
       (21) Various publications from the Organization for Economic  Cooperation
    and Development ("OECD").
 
                  Statement of Additional Information Page 31
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
       (22)  Average of  savings accounts,  which is a  measure of  all kinds of
    savings deposits, including longer-term certificates. Savings accounts offer
    a guaranteed rate  of return on  principal, but no  opportunity for  capital
    growth.  During a  portion of  the period,  the maximum  rates paid  on some
    savings deposits were fixed by law.
 
   
Indices, economic and  financial data  prepared by the  research departments  of
various financial organizations such as Salomon Brothers, Inc., Lehman Brothers,
Merrill  Lynch, Pierce, Fenner & Smith, Inc., Financial Research Corporation, J.
P. Morgan,  Morgan  Stanley,  Smith  Barney,  Shearson,  S.G.  Warburg,  Jardine
Flemming,  The  Bank  for  International  Settlements,  Asian  Development Bank,
Bloomberg, L.P.  and Ibbotson  Associates may  be used  as well  as  information
reported  by the  Federal Reserve  and the  respective Central  Banks of various
nations. In addition, AIM Distributors may use performance rankings, ratings and
commentary reported periodically in  national financial publications,  including
Money  Magazine, Mutual Fund  Magazine, Smart Money,  Global Finance, EuroMoney,
Financial World, Forbes, Fortune, Business Week, Latin Finance, The Wall  Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's, The  Financial Times,  USA  Today, The  New  York Times,  Far  Eastern
Economic  Review, The  Economist and  Investors Business  Digest. Each  Fund may
compare its performance to that of  other compilations or indices of  comparable
quality  to those listed above and other  indices that may be developed and made
available in the future.
    
 
   
Information  relating  to   foreign  market   performance,  capitalization   and
diversification  is based on sources believed to  be reliable but may be subject
to revision  and  has  not  been  independently verified  by  the  Fund  or  AIM
Distributors.  The  authors  and  publishers  of such  material  are  not  to be
considered as "experts" under the 1933 Act, on account of the inclusion of  such
information herein.
    
 
A  portion of the performance  figures for each market  includes the positive or
negative effects of the currency exchange rates effective at December 31 of each
year between the U.S. dollar and currency of the foreign market (e.g.,  Japanese
Yen,  German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that has
strengthened or weakened against the  U.S. dollar will positively or  negatively
affect the reported returns, as the case may be.
 
   
AIM  Distributors  believes that  this information  may  be useful  to investors
considering whether and to  what extent to  diversify their investments  through
the purchase of mutual funds investing in securities on a global basis. However,
this data is not a representation of the past performance of the Fund, nor is it
a  prediction of such performance. The performance  of the Fund will differ from
the historical performance of relevant indices. The performance of indices  does
not  take  expenses  into  account,  while  the  Fund  incurs  expenses  in  its
operations, which will reduce performance. Each of these factors will cause  the
performance of the Fund to differ from relevant indices.
    
 
   
From  time to  time, the Fund  and AIM Distributors  may refer to  the number of
shareholders in  the Fund  or the  aggregate number  of shareholders  in all  GT
Global  Mutual Funds  or the  dollar amount of  Fund assets  under management or
rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM Distributors believes the  Fund is an  appropriate investment for  long-term
investment   goals  including  funding  retirement,   paying  for  education  or
purchasing a house. AIM  Distributors may provide  information designed to  help
individuals  understand  their investment  goals  and explore  various financial
strategies. For example,  AIM Distributors  may describe  general principles  of
investing,  such as  asset allocation,  diversification and  risk tolerance. The
Fund does not represent a complete  investment program and the investors  should
consider  the  Fund as  appropriate for  a portion  of their  overall investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From time to time, AIM Distributors may refer to or advertise the names of  U.S.
and  non-U.S. companies and  their products, although there  can be no assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns  of the capital  markets in the United  States, including common stocks,
small  capitalization  stocks,  long-term  corporate  bonds,   intermediate-term
government  bonds, long-term government bonds, Treasury  bills, the U.S. rate of
inflation (based on the CPI), and  combinations of various capital markets.  The
performance  of  these capital  markets  is based  on  the returns  of different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to demonstrate  general  risk-versus-reward  investment  scenarios.  Performance
comparisons  may also include the  value of a hypothetical  investment in any of
these capital  markets. The  risks associated  with the  security types  in  any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Fund.
 
                  Statement of Additional Information Page 32
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
The  Fund may  quote various measures  of volatility  and benchmark correlation,
such as beta, standard deviation and R(2) in advertising. In addition, the  Fund
may  compare these measures to those of other funds. Measures of volatility seek
to compare the  Fund's historical share  price fluctuations or  total return  to
those of a benchmark.
 
The  Fund may  advertise examples of  the effects of  periodic investment plans,
including the principle of dollar cost averaging programs. In such a program, an
investor invests a fixed dollar amount in a fund at periodic intervals,  thereby
purchasing  fewer shares when  prices are high  and more shares  when prices are
low. While such a strategy does not assure  a profit or guard against loss in  a
declining  market, the investor's  average cost per  share can be  lower than if
fixed numbers of shares are purchased at the same intervals. In evaluating  such
a  plan, investors should  consider their ability  to continue purchasing shares
through periods of low price levels.
 
The Fund may describe in its  sales material and advertisements how an  investor
may  invest in GT Global Mutual Funds  through various retirement plans or other
programs that offer deferral of income taxes on investment earnings and to which
an investor  may make  deductible contributions.  Because of  their  advantages,
these  retirement plans and programs may  produce returns superior to comparable
non-retirement investments. For example, a $10,000 investment earning a  taxable
return of 10% annually would have an after-tax value of $17,976 after ten years,
assuming  tax  was  deducted from  the  return each  year  at a  39.6%  rate. An
equivalent tax-deferred  investment would  have an  after-tax value  of  $19,626
after  ten years, assuming  tax was deducted  at a 39.6%  rate from the deferred
earnings  at  the   end  of  the   ten-year  period.  In   sales  material   and
advertisements,  the  Fund  may  also  discuss  these  plans  and  programs. See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM Distributors may from  time to time in  its sales materials and  advertising
discuss  the risks inherent in investing. The major types of investment risk are
market risk, industry risk, credit risk, interest rate risk and inflation  risk.
Risk represents the possibility that you may lose some or all of your investment
over  a period of time. A basic tenet  of investing is the greater the potential
reward, the greater the risk.
    
 
   
From time  to  time,  the  Fund and  AIM  Distributors  will  quote  information
regarding  industries, individual countries, regions, world stock exchanges, and
economic  and  demographic  statistics  from  sources  AIM  Distributors   deems
reliable, including, the economic and financial data of financial organizations,
such as:
    
 
 1) Stock  market  capitalization:  Morgan Stanley  Capital  International World
    Indices, IFC and Datastream.
 
 2) Stock market trading volume:  Morgan Stanley Capital International  Industry
    Indices and IFC.
 
 3) The  number of  listed companies: IFC,  G.T. Guide to  World Equity Markets,
    Salomon Brothers, Inc. and S.G. Warburg.
 
 4) Wage rates: U.S. Department of  Labor Statistics and Morgan Stanley  Capital
    International World Indices.
 
 5) International  industry  performance: Morgan  Stanley  Capital International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock  market  performance:  Morgan  Stanley  Capital  International   World
    Indices, IFC and Datastream.
 
 7) The  Consumer Price Index and inflation rate: The World Bank, Datastream and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry or market: IFC, G.T. Guide to World
    Equity Markets, Salomon Brothers Inc. and S.G. Warburg.
 
15) Foreign direct  investments  to developing  countries:  The World  Bank  and
    Datastream.
 
16) Supply,  consumption,  demand  and  growth in  demand  of  certain products,
    services and industries, including, but not limited to, electricity,  water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources  of such information may include, but  would not be limited to, The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard deviation and performance returns for U.S. and non-U.S. equity  and
    bond markets: Morgan Stanley Capital International.
 
                  Statement of Additional Information Page 33
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
   
18) Countries  restructuring their debt,  including those under  the Brady Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government and  corporate bonds  -- credit  ratings, yield  to maturity  and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time to time, AIM Distributors may include in its advertisements and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
   
In  advertising and sales  materials, AIM Distributors may  make reference to or
discuss its products, services and accomplishments. Among these  accomplishments
are  that in 1983 the Sub-adviser provided  assistance to the government of Hong
Kong in  linking its  currency to  the U.S.  dollar, and  that in  1987  Japan's
Ministry  of Finance  licensed LGT  Asset Management  Ltd. as  one of  the first
foreign  discretionary  investment   managers  for   Japanese  investors.   Such
accomplishments,  however,  should  not  be  viewed  as  an  endorsement  of the
Sub-adviser by the government of Hong  Kong, Japan's Ministry of Finance or  any
other  government or government  agency. Nor do any  such accomplishments of the
Sub-adviser provide any assurance  that the GT  Global Mutual Funds'  investment
objectives will be achieved.
    
 
   
[GT GLOBAL ADVANTAGE
    
 
As  part of Liechtenstein Global Trust,  GT Global continues a 75-year tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine  offices  worldwide,  we  witness world  events  and  economic developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The key to achieving  consistent results is  following a disciplined  investment
process.  Our  approach  to  asset allocation  takes  advantage  of  GT Global's
worldwide  presence  and  global  perspective.  Our  "macroeconomic"   worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up  process  of  security selection  combines  fundamental  research with
quantitative analysis through our proprietary models.
 
Built-in checks  and balances  strengthen  the process,  enhancing  professional
experience  and judgment with an objective  assessment of risk. Ultimately, each
security we select has  passed a ranking system  that helps our portfolio  teams
determine  when to buy and when to sell.  With respect to stocks, a global stock
research ("GSR") database developed  by GT Global is  utilized in the  selection
process.  All stocks  within the GSR  database are systematically  ranked by our
analysts on a  1-5 basis  with 1 representing  the most  favored. The  rankings,
along  with our quantitative,  fundamental research, determine  which stocks are
bought and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
                  Statement of Additional Information Page 34
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
 
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
1. An application for rating was not received or accepted.
 
2. The issue or issuer  belongs to a group of  securities or companies that  are
not rated as a matter of policy.
 
3. There is a lack of essential data pertaining to the issue or issuer.
 
4.  The issue was privately placed, in which case the rating is not published in
Moody's publications.
 
                  Statement of Additional Information Page 35
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
Suspension or withdrawal may occur if new and material circumstances arise,  the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable  up-to-date data  to permit  a judgment  to be  formed; if  a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies  numerical modifiers, 1,  2 and 3  in each generic  rating
classification  from Aa to Caa. The modifier  1 indicates that the Company ranks
in the higher end  of its generic  rating category; the  modifier 2 indicates  a
mid-range  ranking; and the modifier  3 indicates that the  Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a  division of The  McGraw-Hill Companies, Inc.  ("S&P"),
rates  the securities debt of various  entities in categories ranging from "AAA"
to "D"  according  to quality.  Investment  grade  ratings are  the  first  four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient information on which to base a rating, or that S&P does not rate  a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
 
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates of return on funds employed; conservative
 
                  Statement of Additional Information Page 36
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
capitalization  structure  with  moderate  reliance  on  debt  and  ample  asset
protection; broad margins in  earnings coverage of  fixed financial charges  and
high  internal  cash  generation;  and well-established  access  to  a  range of
financial markets  and  assured sources  of  alternate liquidity.  Issues  rated
Prime-2   have  a  strong  ability  for  repayment  of  senior  short-term  debt
obligations, This  normally will  be evidenced  by many  of the  characteristics
cited  above but to a lesser degree.  Earnings trends and coverage ratios, while
sound, may be more subject  to variation. Capitalization characteristics,  while
still  appropriate, may be more affected by external conditions. Ample alternate
liquidity is maintained.
 
    S&P ratings of commercial paper  are graded into several categories  ranging
from  "A1" for the highest quality obligations  to "D" for the lowest. Issues in
the "A" category are delineated with numbers 1,2 and 3 to indicate the  relative
degree  of safety.  A-1 --  This highest category  indicates that  the degree of
safety regarding timely payment  is strong. Those  issues determined to  possess
extremely  strong safety  characteristics will be  denoted with a  plus sign (+)
designation. A-2 -- Capacity for timely payments on issues with this designation
is satisfactory; however, the relative  degree of safety is  not as high as  for
issues designated "A-1."
 
   
The Fund may invest only in high quality commercial paper, i.e. commercial paper
rated  Prime-1 by Moody's, A-1 by S&P, or, if unrated, judged by the Sub-adviser
to be of comparable quality.
    
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
 
   
To be filed.
    
 
                  Statement of Additional Information Page 37
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                         GT GLOBAL GROWTH & INCOME FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUNDS
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY  G.T.
  INVESTMENT  FUNDS, GT  GLOBAL GROWTH  & INCOME FUND,  A I  M ADVISORS, INC.,
  [CHANCELLOR GT ASSET  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS
  STATEMENT  OF ADDITIONAL INFORMATION DOES NOT CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
                                                                   GROSX703   MC
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND:
                                 ADVISOR CLASS
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
    
 
   
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  statement of Additional Information relates to the Advisor Class shares of
GT Global Latin  America Growth  Fund ("Fund").  The Fund  is a  non-diversified
series   of  G.T.  Investment  Funds  (the  "Company"),  a  registered  open-end
management investment company. This  Statement of Additional Information,  which
is  not a  prospectus, supplements  and should be  read in  conjunction with the
Fund's current Advisor Class Prospectus dated June 1, 1998. A copy of the Fund's
Prospectus is available without charge by either writing to the above address or
by calling the Fund at the toll-free telephone number printed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of   an
administrator   for,   and  [Chancellor   LGT   Asset  Management,   Inc.]  (the
"Sub-adviser") serves as  the investment sub-adviser  and sub-administrator  for
the Fund. The distributor of the Fund's shares is A I M Distributors, Inc. ("AIM
Distributors").  The Fund's transfer agent is  GT Global Investor Services, Inc.
("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objective and Policies........................................................................................      2
Options, Futures and Currency Strategies.................................................................................      5
Risk Factors.............................................................................................................     14
Investment Limitations...................................................................................................     18
Execution of Portfolio Transactions......................................................................................     20
Trustees and Executive Officers..........................................................................................     22
Management...............................................................................................................     24
Valuation of Fund Shares.................................................................................................     25
Information Relating to Sales and Redemptions............................................................................     26
Taxes....................................................................................................................     28
Additional Information...................................................................................................     30
Investment Results.......................................................................................................     31
Description of Debt Ratings..............................................................................................     36
Financial Statements.....................................................................................................     38
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVE
The  investment objective  of the  Fund is  capital appreciation.  The Fund will
normally invest at least 65% of its total assets in securities of a broad  range
of  Latin American issuers. Under current market conditions, the Fund expects to
invest  primarily  in  equity  and  debt  securities  issued  by  companies  and
governments in Mexico, Chile, Brazil and Argentina. Though the Fund can normally
invest  up to 35% of its total assets  in U.S. securities, the Fund reserves the
right to  be  primarily invested  in  U.S. securities  for  temporary  defensive
purposes or pending investment of the proceeds of the offering made hereby.
 
SELECTION OF EQUITY INVESTMENTS
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries for  the  Fund, the  Sub-adviser  ordinarily considers  the  following
factors:  prospects for relative economic growth between the different countries
in which the Fund may invest; expected levels of inflation; government  policies
influencing business conditions; the outlook for interest rates; the outlook for
currency relationships; and the range of the individual investment opportunities
available to international investors.
    
 
   
In  analyzing companies for  investment by the  Fund, the Sub-adviser ordinarily
looks for  one  or  more  of the  following  characteristics:  an  above-average
earnings  growth per  share; high  return on  invested capital;  healthy balance
sheet; sound financial and accounting  policies and overall financial  strength;
strong  competitive advantages;  effective research and  product development and
marketing; efficient service; pricing  flexibility; strength of management;  and
general  operating characteristics  which will  enable the  companies to compete
successfully  in   their   respective  marketplaces.   In   certain   countries,
governmental  restrictions and  other limitations  on investment  may affect the
maximum percentage  of equity  ownership in  any  one company  by the  Fund.  In
addition,  in some instances only special classes of securities may be purchased
by foreigners and the market prices, liquidity and rights with respect to  those
securities may vary from shares owned by nationals.
    
 
   
There  may be times when, in the  opinion of the Sub-adviser, prevailing market,
economic or political conditions warrant  reducing the proportion of the  Fund's
assets  invested in equity securities and increasing the proportion held in cash
or short-term obligations  denominated in  U.S. dollars or  other currencies.  A
portion of the Fund's assets normally will be held in U.S. dollars or short-term
interest-bearing  dollar-denominated securities to  provide for ongoing expenses
and redemptions.
    
 
The Fund may be prohibited under the Investment Company Act of 1940, as  amended
("1940  Act") from purchasing the securities of any foreign company that, in its
most recent  fiscal year,  derived more  than  15% of  its gross  revenues  from
securities-related  activities ("securities-related companies").  In a number of
Latin American  countries, commercial  banks act  as securities  broker/dealers,
investment  advisers and underwriters or  otherwise engage in securities-related
activities, which may  limit the  Fund's ability  to hold  securities issued  by
banks.  The  Fund has  obtained an  exemption from  the Securities  and Exchange
Commission ("SEC") to permit it to invest in certain of these securities subject
to certain restrictions.
 
DEBT CONVERSIONS
   
Several Latin American countries have adopted debt conversion programs, pursuant
to which investors may use external  debt of a country, directly or  indirectly,
to  make investments in local companies. The  terms of the various programs vary
from country to country, although each program includes significant restrictions
on the  application  of the  proceeds  received in  the  conversion and  on  the
remittance  of profits on the  investment and of the  invested capital. The Fund
intends to acquire  Sovereign Debt, as  defined in the  Prospectus, to hold  and
trade in appropriate circumstances as described in the Prospectus, as well as to
participate  in Latin  American debt  conversion programs.  The Sub-adviser will
evaluate opportunities to enter into debt conversion transactions as they  arise
but  does not currently  intend to invest more  than 5% of  the Fund's assets in
such programs.
    
 
                   Statement of Additional Information Page 2
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
With respect to certain countries, investments by the Fund presently may be made
only by acquiring  shares of  other investment  companies (including  investment
vehicles  or companies advised by the Sub-adviser or its affiliates ("Affiliated
Funds")) with local governmental approval to invest in those countries. The Fund
may invest  in the  securities  of closed-end  investment companies  within  the
limits  of the 1940 Act. These limitations  currently provide, in part, that the
Fund may purchase shares  of a closed-end investment  company unless (a) such  a
purchase would cause the Fund to own in the aggregate more than 3 percent of the
total  outstanding voting stock of the investment company or (b) such a purchase
would cause the Fund to have more than 5 percent of its total assets invested in
the investment company or more than 10  percent of its total assets invested  in
the  aggregate in all  such investment companies.  Investment in such investment
companies may involve  the payment of  substantial premiums above  the value  of
such companies' portfolio securities. The Fund does not intend to invest in such
funds unless, in the judgment of the Sub-adviser, the potential benefits of such
investments  justify the payment of any  applicable premiums. The return on such
securities will be  reduced by  operating expenses of  such companies  including
payments  to the investment managers of those investment companies. With respect
to investments in Affiliated Funds, the  Sub-adviser waives its advisory fee  to
the extent that such fees are based on assets of the Fund invested in Affiliated
Funds. At such time as direct investment in these countries is allowed, the Fund
anticipates investing directly in these markets.
    
 
DEPOSITORY RECEIPTS
The  Fund  may  hold securities  of  foreign  issuers in  the  form  of American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository  Receipts ("GDRs") and European Depository Receipts ("EDRs") or other
securities convertible  into  securities  of  eligible  foreign  issuers.  These
securities  may  not necessarily  be  denominated in  the  same currency  as the
securities for which they may be  exchanged. ADRs and ADSs are typically  issued
by  an American  bank or  trust company  which evidence  ownership of underlying
securities issued by a foreign  corporation. EDRs, which are sometimes  referred
to  as Continental Depository  Receipts ("CDRs"), are  receipts issued in Europe
typically by foreign banks and trust companies that evidence ownership of either
foreign or domestic securities.  GDRs are similar to  EDRs and are designed  for
use  in several  international financial  markets. Generally,  ADRs and  ADSs in
registered form are  designed for use  in United States  securities markets  and
EDRs  in bearer form  are designed for  use in European  securities markets. For
purposes of  the Fund's  investment policies,  the Fund's  investments in  ADRs,
ADSs,  GDRs and EDRs will  be deemed to be  investments in the equity securities
representing securities of foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass-through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally  the same manner as unsponsored  facilities,
except  that  the  issuer of  the  deposited  securities enters  into  a deposit
agreement with the  depository. The deposit  agreement sets out  the rights  and
responsibilities  of  the  issuer,  the depository  and  the  ADR  holders. With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository), although ADR holders continue to bear certain other costs (such  as
deposit  and withdrawal fees).  Under the terms  of most sponsored arrangements,
depositories agree  to distribute  notices of  shareholder meetings  and  voting
instructions, and to provide shareholder communications and other information to
the  ADR holders at the  request of the issuer  of the deposited securities. The
Fund may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants or  rights  may  be acquired  by  the  Fund in  connection  with  other
securities  or separately and provide  the Fund with the  right to purchase at a
later date other securities of the issuer.
 
LENDING OF PORTFOLIO SECURITIES
For the purpose of realizing additional income, the Fund may make secured  loans
of  portfolio securities  amounting to  not more than  25% of  its total assets.
Securities loans are made to broker/dealers or institutional investors  pursuant
to  agreements requiring that the loans be continuously secured by collateral at
least equal at all times  to the value of the  securities lent plus any  accrued
interest,  "marked to  market" on  a daily  basis. The  Fund may  pay reasonable
administrative
 
                   Statement of Additional Information Page 3
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
and custodial  fees  in connection  with  loans  of its  securities.  While  the
securities loan is outstanding, the Fund will continue to receive the equivalent
of  the interest or dividends  paid by the issuer on  the securities, as well as
interest on the investment  of the collateral  or a fee  from the borrower.  The
Fund  will have a right  to call each loan and  obtain the securities within the
stated settlement  period. The  Fund will  not  have the  right to  vote  equity
securities while they are lent, but it may call in a loan in anticipation of any
important vote. Loans will only be made to firms deemed by the Sub-adviser to be
of  good  standing  and  will  not  be  made  unless,  in  the  judgment  of the
Sub-adviser, the consideration to  be earned from such  loans would justify  the
risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For  the  purposes  of  the  Fund's investment  policies  with  respect  to bank
obligations, obligations of foreign branches of U.S. banks and of foreign  banks
are obligations of the issuing bank and may be general obligations of the parent
bank.  Such obligations  may, however,  be limited  by the  terms of  a specific
obligation  and  by  government  regulation.  As  with  investment  in  non-U.S.
securities  in general,  investments in the  obligations of  foreign branches of
U.S. banks and of foreign  banks may subject the  Fund to investment risks  that
are  different  in some  respects from  those of  investments in  obligations of
domestic issuers. Although  the Fund will  typically acquire obligations  issued
and  supported by the credit of U.S. or foreign banks having total assets at the
time of  purchase in  excess of  $1 billion,  this $1  billion figure  is not  a
fundamental  investment policy or  restriction of the Fund.  For the purposes of
calculation with respect to the $1 billion figure, the assets of a bank will  be
deemed to include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A  repurchase agreement is a transaction in  which the Fund purchases a security
from a bank or recognized securities dealer and simultaneously commits to resell
that security to the bank  or dealer at an agreed  upon price, date, and  market
rate  of interest  unrelated to  the coupon  rate or  maturity of  the purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to the repurchase  agreement becomes bankrupt,  the Fund intends  to enter  into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present  minimum credit risks  in accordance with  guidelines established by the
Company's Board  of  Trustees.  The  Sub-adviser will  review  and  monitor  the
creditworthiness of such institutions under the Board's general supervision.
    
 
The  Fund will invest only in  repurchase agreements collateralized at all times
in an amount at least  equal to the repurchase  price plus accrued interest.  To
the  extent that the proceeds from any sale of such collateral upon a default in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer a loss.  If the financial  institution which is  party to the  repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other  liquidation proceedings, there may be  restrictions on the Fund's ability
to sell the collateral and the Fund  could suffer a loss. However, with  respect
to  financial  institutions  whose  bankruptcy  or  liquidation  proceedings are
subject to the U.S. Bankruptcy Code, the Fund intends to comply with  provisions
under  the U.S. Bankruptcy  Code that would  allow it immediately  to resell the
collateral. There is no limitation on the  amount of the Fund's assets that  may
be  subject to repurchase agreements at any  given time. The Fund will not enter
into a repurchase agreement  with a maturity  of more than seven  days if, as  a
result,  more than 10% of the value of  its net assets would be invested in such
repurchase agreements and other illiquid investments.
 
BORROWING AND REVERSE REPURCHASE AGREEMENTS
   
The Fund's borrowings will not exceed 33 1/3% of the Fund's total assets,  i.e.,
the  Fund's total assets at all times will  equal at least 300% of the amount of
outstanding borrowings.  If  market fluctuations  in  the value  of  the  Fund's
portfolio  holdings or other factors cause the  ratio of the Fund's total assets
to outstanding borrowings to fall below 300%,  the Fund may be required to  sell
portfolio  securities  to  restore  300% asset  coverage,  even  though  from an
investment standpoint such  sales might  be disadvantageous. The  Fund also  may
borrow  up to 5% of  its total assets for  temporary or emergency purposes other
than  to  meet  redemptions.  Any  borrowing  by  the  Fund  may  cause  greater
fluctuation  in the value of its  shares than would be the  case if the Fund did
not borrow. The Fund's nonfundamental  investment limitations prohibit the  Fund
from  purchasing securities  during times when  outstanding borrowings represent
more than 5% of its total assets.
    
 
   
The Fund  may enter  into reverse  repurchase agreements.  A reverse  repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security  to another party, such as a  bank or broker/dealer in return for cash,
and agrees to repurchase  the security in  the future at  an agreed upon  price,
which  includes an interest component. The  Fund will segregate with a custodian
cash or other liquid securities in an amount sufficient to cover its obligations
under reverse  repurchase  agreements  with broker/dealers.  No  segregation  is
required for reverse repurchase agreements with banks.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
SHORT SALES
The  Fund  may  make short  sales  of  securities, although  it  has  no current
intention of doing so. A short sale is  a transaction in which the Fund sells  a
security  in anticipation that  the market price of  that security will decline.
The Fund may  make short  sales (i)  as a form  of hedging  to offset  potential
declines  in long positions in securities it owns, or anticipates acquiring, and
(ii) in order to maintain portfolio flexibility.
 
When the Fund makes a short sale of  a security it does not own, it must  borrow
the   security  sold  short  and  deliver  it  to  the  broker-dealer  or  other
intermediary through which it made  the short sale. The Fund  may have to pay  a
fee  to borrow particular securities and will often be obligated to pay over any
payments received on such borrowed securities.
 
The Fund's obligation  to replace the  borrowed security when  the borrowing  is
called or expires will be secured by collateral deposited with the intermediary.
The  Fund will also be required to  deposit collateral with its custodian to the
extent, if any, necessary so that the  value of both collateral deposits in  the
aggregate  is at all times equal to at least 100% of the current market value of
the security sold short.  Depending on arrangements  made with the  intermediary
from which it borrowed the security regarding payment of any amounts received by
the  Fund on  such security,  the Fund may  not receive  any payments (including
interest) on its collateral deposited with such intermediary.
 
If the price of the security sold short increases between the time of the  short
sale and the time the Fund replaces the borrowed security, the Fund will incur a
loss;  conversely, if the price declines, the Fund will realize a gain. Any gain
will be decreased, and any loss  increased, by the transaction costs  associated
with  the transaction. Although the Fund's gain is limited by the price at which
it sold the security short, its potential loss is theoretically unlimited.
 
The Fund will not make  a short sale if, after  giving effect to such sale,  the
market  value of the securities sold short exceeds 25% of the value of its total
assets or the Fund's aggregate short sales  of the securities of any one  issuer
exceed  the lesser of 2% of the Fund's net assets or 2% of the securities of any
class of the  issuer. Moreover, the  Fund may  engage in short  sales only  with
respect  to securities  listed on a  national securities exchange.  The Fund may
make short sales "against the box" without respect to such limitations. In  this
type  of short sale, at the  time of the sale the  Fund owns the security it has
sold short  or  has the  immediate  and unconditional  right  to acquire  at  no
additional cost the identical security.
 
TEMPORARY DEFENSIVE STRATEGIES
The  Latin America Growth Fund may invest in the following types of money market
securities (i.e.,  debt instruments  with less  than 12  months remaining  until
maturity)  denominated in U.S. dollars or in  the currency of any Latin American
country, which consist of: (a) obligations issued or guaranteed by (i) the  U.S.
government  or the  government of  a Latin  American country,  their agencies or
instrumentalities, or municipalities; (ii) international organizations  designed
or  supported  by multiple  foreign  governmental entities  to  promote economic
reconstruction or development  ("supranational entities");  (b) finance  company
obligations,   corporate  commercial  paper   and  other  short-term  commercial
obligations; (c)  bank  obligations  (including certificates  of  deposit,  time
deposits,  demand deposits  and bankers' acceptances)  (d) repurchase agreements
with respect to the  foregoing; and (e)  other substantially similar  short-term
debt securities with comparable risk characteristics.
 
The Latin America Growth Fund may invest in commercial paper rated as low as A-3
by  S&P or P-3 by Moody's. Such obligations are considered to have an acceptable
capacity for timely repayment. However, these securities may be more  vulnerable
to  adverse effects or changes in circumstances than obligations carrying higher
designations.
 
- --------------------------------------------------------------------------------
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The use of options, futures  contracts and forward currency contracts  ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1)  Successful  use  of  most of  these  instruments  depends  upon the
    Sub-adviser's ability to  predict movements  of the  overall securities  and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the  use of these instruments, there can be no assurance that any particular
    strategy adopted will succeed.
    
 
                   Statement of Additional Information Page 5
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
        (2) There  might  be  imperfect correlation,  or  even  no  correlation,
    between  price  movements  of  an  instrument  and  price  movements  of the
    investments being hedged. For example, if the value of an instrument used in
    a short hedge  increased by less  than the  decline in value  of the  hedged
    investment,  the  hedge  would  not  be fully  successful.  Such  a  lack of
    correlation might  occur  due to  factors  unrelated  to the  value  of  the
    investments  being hedged,  such as  speculative or  other pressures  on the
    markets in  which the  hedging instrument  is traded.  The effectiveness  of
    hedges  using hedging  instruments on indices  will depend on  the degree of
    correlation between price movements in the index and price movements in  the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or  partially offsetting the negative  effect of unfavorable price movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity for gain by  offsetting the positive  effect of favorable  price
    movements in the hedged investments. For example, if the Fund entered into a
    short  hedge because the Sub-adviser  projected a decline in  the price of a
    security in the Fund's portfolio, and  the price of that security  increased
    instead,  the gain from that increase might be wholly or partially offset by
    a decline in the price of the hedging instrument. Moreover, if the price  of
    the  hedging instrument declined by  more than the increase  in the price of
    the security, the Fund could  suffer a loss. In  either such case, the  Fund
    would have been in a better position had it not hedged at all.
    
 
        (4) As described below, the Fund might be required to maintain assets as
    "cover,"  maintain segregated accounts or make margin payments when it takes
    positions in  instruments  involving  obligations to  third  parties  (I.E.,
    instruments  other than purchased options). If the Fund were unable to close
    out its positions in such instruments,  it might be required to continue  to
    maintain  such assets or  accounts or make such  payments until the position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a disadvantageous time.  The Fund's ability  to close out  a position in  an
    investment  prior to  expiration or maturity  depends on the  existence of a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness of the other party to the transaction ("contra party") to  enter
    into  a  transaction  closing  out  the  position.  Therefore,  there  is no
    assurance that any position can  be closed out at a  time and price that  is
    favorable to the Fund.
 
WRITING CALL OPTIONS
   
The  Fund may write  (sell) call options on  securities, indices and currencies.
Call options will generally be written on securities and currencies that, in the
opinion of the Sub-adviser are not expected to make any major price moves in the
near future  but  that,  over  the  long  term,  are  deemed  to  be  attractive
investments for the Fund.
    
 
A  call option  gives the  holder (buyer)  the right  to purchase  a security or
currency at a specified price (the  exercise price) at any time until  (American
Style)  or on (European Style) a certain  date (the expiration date). So long as
the obligation of the writer of a  call option continues, he may be assigned  an
exercise  notice, requiring him  to deliver the  underlying security or currency
against payment  of the  exercise  price. This  obligation terminates  upon  the
expiration  of the call option, or such earlier time at which the writer effects
a closing  purchase  transaction  by  purchasing an  option  identical  to  that
previously sold.
 
Portfolio  securities or currencies on which call options may be written will be
purchased solely on the basis  of investment considerations consistent with  the
Fund's  investment objectives. When  writing a call option,  the Fund, in return
for the premium, gives up  the opportunity for profit  from a price increase  in
the  underlying security or  currency above the exercise  price, and retains the
risk of loss should the  price of the security  or currency decline. Unlike  one
who  owns securities  or currencies not  subject to  an option, the  Fund has no
control over  when it  may be  required  to sell  the underlying  securities  or
currencies,  since  most options  may  be exercised  at  any time  prior  to the
option's expiration. If  a call option  that the Fund  has written expires,  the
Fund will realize a gain in the amount of the premium; however, such gain may be
offset  by a decline in the market  value of the underlying security or currency
during the option period. If the call option is exercised, the Fund will realize
a gain or loss from the sale of the underlying security or currency, which  will
be  increased or offset  by the premium  received. The Fund  does not consider a
security or currency covered by  a call option to be  "pledged" as that term  is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing  call options can serve as a limited short hedge because declines in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
appreciates to a price higher than the exercise price of the call option, it can
be expected that the option will be exercised and the Fund will be obligated  to
sell the security or currency at less than its market value.
 
The  premium  that the  Fund receives  for writing  a call  option is  deemed to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of the
 
                   Statement of Additional Information Page 6
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
underlying investment, the  relationship of  the exercise price  to such  market
price,  the historical  price volatility of  the underlying  investment, and the
length of the  option period. In  determining whether a  particular call  option
should  be  written, the  Sub-adviser will  consider  the reasonableness  of the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing transactions  will  be effected  in  order to  realize  a profit  on  an
outstanding  call option,  to prevent  an underlying  security or  currency from
being called, or  to permit  the sale of  the underlying  security or  currency.
Furthermore,  effecting  a closing  transaction will  permit  the Fund  to write
another call  option  on the  underlying  security  or currency  with  either  a
different exercise price, expiration date or both.
 
The  Fund will pay transaction  costs in connection with  the writing of options
and in entering into closing  purchase contracts. Transaction costs relating  to
options  activity are  normally higher  than those  applicable to  purchases and
sales of portfolio securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market values of the underlying securities or currencies at the time the options
are  written. From time to time, the Fund may purchase an underlying security or
currency for delivery in accordance with the exercise of an option, rather  than
delivering  such  security  or  currency  from  its  portfolio.  In  such cases,
additional costs will be incurred.
 
The Fund will realize a  profit or loss from  a closing purchase transaction  if
the  cost of  the transaction  is less or  more, respectively,  than the premium
received from writing  the option. Because  increases in the  market price of  a
call  option  will  generally  reflect  increases in  the  market  price  of the
underlying security or  currency, any loss  resulting from the  repurchase of  a
call  option is likely to be  offset in whole or in  part by appreciation of the
underlying security or currency owned by the Fund.
 
WRITING PUT OPTIONS
The Fund may  write put  options on securities,  indices and  currencies. A  put
option  gives the  purchaser of  the option  the right  to sell,  and the writer
(seller) the  obligation to  buy, the  underlying security  or currency  at  the
exercise  price at any  time until (American  Style) or on  (European Style) the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is substantially identical to that of call options.
 
   
The  Fund  would  generally  write  put  options  in  circumstances  where   the
Sub-adviser  wishes  to purchase  the underlying  security  or currency  for the
Fund's portfolio at a price lower than the current market price of the  security
or  currency. In such  event, the Fund would  write a put  option at an exercise
price that reduced  by the premium  received on the  option, reflects the  lower
price  it is willing to pay. Since the  Fund would also receive interest on debt
securities or currencies maintained to cover  the exercise price of the  option,
this  technique could be used to enhance current return during periods of market
uncertainty. The risk in such  a transaction would be  that the market price  of
the  underlying security or currency would decline below the exercise price less
the premium received.
    
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put option will be exercised and the Fund will be obligated
to purchase the security or currency at more than its market value.
 
PURCHASING PUT OPTIONS
The Fund may purchase put options on securities, indices and currencies. As  the
holder  of a put  option, the Fund would  have the right  to sell the underlying
security or currency at the exercise price at any time until (American Style) or
on (European Style) the  expiration date. The Fund  may enter into closing  sale
transactions  with  respect to  such options,  exercise them  or permit  them to
expire.
 
The Fund  may  purchase a  put  option on  an  underlying security  or  currency
("protective  put") owned by the Fund  to protect against an anticipated decline
in the  value of  the security  or currency.  Such protection  is provided  only
during  the life  of the  put option  when the  Fund, as  the holder  of the put
option, is able to sell the underlying security or currency at the put  exercise
price  regardless of  any decline in  the underlying security's  market price or
currency's exchange  value.  The  premium  paid  for  the  put  option  and  any
transaction  costs would reduce any  profit otherwise available for distribution
when the security or currency is eventually sold.
 
The Fund may also purchase put options at a time when the Fund does not own  the
underlying  security or  currency. By  purchasing put  options on  a security or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it has remaining value, and  if the market price  of the underlying security  or
currency  remains equal to or greater than the exercise price during the life of
the put
 
                   Statement of Additional Information Page 7
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
option, the Fund will lose its entire investment in the put option. In order for
the purchase  of  a  put option  to  be  profitable, the  market  price  of  the
underlying  security or  currency must  decline sufficiently  below the exercise
price to cover the premium and transaction costs, unless the put option is  sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options or securities, indices and currencies. As the
holder  of  a  call  option, the  Fund  would  have the  right  to  purchase the
underlying security  or  currency  at  the exercise  price  at  any  time  until
(American  Style) or on (European Style) the expiration date. The Fund may enter
into closing sale transactions  with respect to such  options, exercise them  or
permit them to expire.
 
Call  options may  be purchased  by the  Fund for  the purpose  of acquiring the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase of  call options  would enable  the  Fund to  acquire the  security  or
currency  at the  exercise price of  the call  option plus the  premium paid. At
times, the net cost of acquiring the security or currency in this manner may  be
less  than  the  cost  of  acquiring the  security  or  currency  directly. This
technique may  also  be useful  to  the Fund  in  purchasing a  large  block  of
securities  that would be more difficult  to acquire by direct market purchases.
So long as it holds such a  call option, rather than the underlying security  or
currency  itself, the Fund is partially protected from any unexpected decline in
the market price  of the  underlying security or  currency and,  in such  event,
could  allow the call option  to expire, incurring a loss  only to the extent of
the premium paid for the option.
 
The Fund also may purchase call  options on underlying securities or  currencies
it  owns  to avoid  realizing losses  that would  result in  a reduction  of its
current return. For  example, where the  Fund has  written a call  option on  an
underlying security or currency having a current market value below the price at
which  it purchased the  security or currency,  an increase in  the market price
could result in  the exercise of  the call option  written by the  Fund and  the
realization  of a loss on the  underlying security or currency. Accordingly, the
Fund could purchase a call option  on the same underlying security or  currency,
which  could be exercised  to fulfill the Fund's  delivery obligations under its
written call (if it is exercised). This  strategy could allow the Fund to  avoid
selling  the portfolio security or currency at  a time when it has an unrealized
loss; however, the Fund would have to pay a premium to purchase the call  option
plus transaction costs.
 
Aggregate  premiums paid  for put  and call  options will  not exceed  5% of the
Fund's total assets at the time of purchase.
 
The Fund may attempt to accomplish objectives similar to those involved in using
Forward Contracts by purchasing put or call options on currencies. A put  option
gives  the  Fund as  purchaser  the right  (but not  the  obligation) to  sell a
specified amount of currency at the  exercise price at any time until  (American
Style  or on (European Style) the expiration  date. A call option gives the Fund
as purchaser the right (but not  the obligation) to purchase a specified  amount
of  currency at  the exercise  price at  any time  until (American  Style) or on
(European Style) the  expiration date. The  Fund might purchase  a currency  put
option,  for example, to protect itself against a decline in the dollar value of
a currency  in  which  it  holds  or  anticipates  holding  securities.  If  the
currency's  value should decline against the  dollar, the loss in currency value
should be offset, in whole or in part,  by an increase in the value of the  put.
If the value of the currency instead should rise against the dollar, any gain to
the  Fund would  be reduced by  the premium  it had paid  for the  put option. A
currency call option might be purchased, for example, in anticipation of, or  to
protect  against, a rise in the value against  the dollar of a currency in which
the Fund anticipates purchasing securities.
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates.  The Fund will not  purchase an OTC option  unless it believes that daily
valuations for  such options  are readily  obtainable. OTC  options differ  from
exchange-traded options in that OTC options are transacted with dealers directly
and   not  through  a  clearing   corporation  (which  guarantees  performance).
Consequently, there  is  a risk  of  non-performance  by the  dealer.  Since  no
exchange  is involved, OTC options are valued on  the basis of an average of the
last bid prices obtained from dealers,  unless a quotation from only one  dealer
is  available, in which case only that dealer's  price will be used. In the case
of OTC options, there can  be no assurance that  a liquid secondary market  will
exist for any particular option at any specific time.
 
The  staff of the SEC considers purchased OTC options to be illiquid securities.
The Fund  may also  sell OTC  options and,  in connection  therewith,  segregate
assets or cover its obligations with respect to OTC options written by the Fund.
The  assets used as cover for OTC options written by the Fund will be considered
illiquid unless the OTC options are sold to qualified dealers who agree that the
Fund may repurchase any OTC option it writes at a maximum price to be calculated
by a formula  set forth in  the option agreement.  The cover for  an OTC  option
written subject to this procedure would be
 
                   Statement of Additional Information Page 8
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
considered  illiquid only to the extent  that the maximum repurchase price under
the formula exceeds the intrinsic value of the option.
 
The Fund's  ability to  establish  and close  out positions  in  exchange-listed
options  depends  on the  existence  of a  liquid  market. The  Fund  intends to
purchase or write only those exchange-traded options for which there appears  to
be  a liquid secondary  market. However, there  can be no  assurance that such a
market will exist at any particular  time. Closing transactions can be made  for
OTC  options  only  by  negotiating  directly with  the  contra  party  or  by a
transaction in the secondary market if any such market exists. Although the Fund
will enter into OTC  options only with  contra parties that  are expected to  be
capable  of  entering  into closing  transactions  with  the Fund,  there  is no
assurance that the Fund will in fact be able to close out an OTC option position
at a favorable  price prior to  expiration. In  the event of  insolvency of  the
contra  party, the Fund might  be unable to close out  an OTC option position at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in individual securities or futures contracts. When the Fund writes a call or an
index,  it receives a premium and agrees that, prior to the expiration date, the
purchaser of the call, upon exercise of the call, will receive from the Fund  an
amount of cash if the closing level of the index upon which the call is based is
greater  than the exercise price of the call. The amount of cash is equal to the
difference between the closing price of the index and the exercise price of  the
call  times a specified multiple (the  "multiplier"), which determines the total
dollar value for each point of such difference. When the Fund buys a call on  an
index,  it  pays a  premium and  has  the same  rights as  to  such call  as are
indicated above. When the Fund buys a put on an index, it pays a premium and has
the right, prior to the expiration date, to require the seller of the put,  upon
the  Fund's exercise of the put, to deliver to the Fund an amount of cash if the
closing level of the index upon which the put is based is less than the exercise
price of the  put, which  amount of  cash is  determined by  the multiplier,  as
described above for calls. When the Fund writes a put on an index, it receives a
premium  and  the purchaser  has the  right,  prior to  the expiration  date, to
require the Fund  to deliver to  it an amount  of cash equal  to the  difference
between  the  closing  level of  the  index  and the  exercise  price  times the
multiplier, if the closing level is less than the exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities.  Because index options are  settled in cash, when  the Fund writes a
call on  an index  it cannot  provide in  advance for  its potential  settlement
obligations  by acquiring  and holding the  underlying securities.  The Fund can
offset some of the  risk of writing  a call index option  position by holding  a
diversified  portfolio of  securities similar to  those on  which the underlying
index is based.  However, the Fund  cannot, as a  practical matter, acquire  and
hold  a portfolio containing  exactly the same securities  as underlie the index
and, as a result, bears a risk that  the value of the securities held will  vary
from the value of the index.
 
Even  if the Fund could assemble  a securities portfolio that exactly reproduced
the composition of  the underlying index,  it still would  not be fully  covered
from  a risk standpoint because  of the "timing risk"  inherent in writing index
options. When an index option is exercised,  the amount of cash that the  holder
is  entitled to  receive is  determined by  the difference  between the exercise
price and the closing index level on  the date when the option is exercised.  As
with other kinds of options, the Fund, as the call writer, will not know that it
has  been assigned  until the next  business day  at the earliest.  The time lag
between exercise and  notice of assignment  poses no  risk for the  writer of  a
covered  call on a  specific underlying security, such  as common stock, because
there the writer's obligation is to deliver the underlying security, not to  pay
its value as of a fixed time in the past. So long as the writer already owns the
underlying  security,  it  can  satisfy  its  settlement  obligations  by simply
delivering it, and the risk that its value may have declined since the  exercise
date  is borne by the  exercising holder. In contrast, even  if the writer of an
index call holds securities that exactly match the composition of the underlying
index, it will not be able  to satisfy its assignment obligations by  delivering
those  securities against  payment of  the exercise  price. Instead,  it will be
required to  pay cash  in an  amount based  on the  closing index  value on  the
exercise  date; and by the  time it learns that it  has been assigned, the index
may have declined, with a corresponding  decline in the value of its  securities
portfolio.  This "timing risk" is an inherent limitation on the ability of index
call writers to cover their risk exposure by holding securities positions.
 
If the Fund purchases an index option and exercises it before the closing  index
value  for  that day  is  available, it  runs  the risk  that  the level  of the
underlying index may subsequently change. If such a change causes the  exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between  the closing index value and the exercise price of the option (times the
applicable multiplier) to the assigned writer.
 
                   Statement of Additional Information Page 9
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
The Fund may  enter into interest  rate or currency  futures contracts, and  may
enter  into stock  index futures  contracts (collectively  "Futures" or "Futures
Contracts"), as a hedge against changes in prevailing levels of interest  rates,
currency  exchange rates or  stock prices in order  to establish more definitely
the effective return on securities or currencies held or intended to be acquired
by the Fund. The Fund's transactions may  include sales of Futures as an  offset
against  the effect  of expected increases  in interest rates,  and decreases in
currency exchange rates and stock prices, and purchases of Futures as an  offset
against  the effect  of expected  declines in  interest rates,  and increases in
currency exchange rates and stock prices.
 
The Fund  will only  enter into  Futures Contracts  that are  traded on  futures
exchanges  and are  standardized as  to maturity  date and  underlying financial
instrument. Futures  exchanges and  trading  thereon in  the United  States  are
regulated  under the  Commodity Exchange  Act by  the Commodity  Futures Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to reduce the Fund's exposure to interest rate, currency exchange rate  and
stock  market fluctuations,  the Fund  may be  able to  hedge its  exposure more
effectively and at a lower cost through using Futures Contracts.
 
A Futures Contract provides  for the future  sale by one  party and purchase  by
another party of a specified amount of a specific financial instrument (security
or  currency) for  a specified price  at a  designated date, time  and place. An
index Futures Contract provides for the delivery, at a designated date, time and
place, of  an amount  of  cash equal  to a  specified  dollar amount  times  the
difference  between the index value at the  close of trading on the contract and
the price  at which  the  Futures Contract  is  originally struck;  no  physical
delivery  of the  securities comprising  the index  is made.  Brokerage fees are
incurred when a Futures Contract is bought or sold, and margin deposits must  be
maintained at all times the Futures Contract is outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  are usually closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively,   for  the  same  aggregate  amount  of  the  identical  financial
instrument or currency and  the same delivery date.  If the offsetting  purchase
price  is less than the original sale price,  the Fund realizes a gain; if it is
more, the Fund realizes a loss. Conversely, if the offsetting sale price is more
than the original purchase price, the Fund  realizes a gain; if it is less,  the
Fund  realizes a  loss. The  transaction costs  must also  be included  in these
calculations. There can be no assurance, however, that the Fund will be able  to
enter  into  an  offsetting transaction  with  respect to  a  particular Futures
Contract at  a particular  time.  If the  Fund  is not  able  to enter  into  an
offsetting  transaction, the Fund  will continue to be  required to maintain the
margin deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from the sale of one Futures Contract of September Treasury Bills on an exchange
may  be fulfilled  at any  time before  delivery under  the Futures  Contract is
required (I.E., on a specified date  in September, the "delivery month") by  the
purchase  of another  Futures Contract of  September Treasury Bills  on the same
exchange. In such instance the difference between the price at which the Futures
Contract was  sold  and  the  price paid  for  the  offsetting  purchase,  after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The  Fund's Futures transactions will be entered into for hedging purposes only;
that is, Futures  Contracts will be  sold to  protect against a  decline in  the
price  of securities or currencies that the Fund owns, or Futures Contracts will
be purchased to protect the Fund against an increase in the price of  securities
or currencies it has committed to purchase or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by the Fund in order to  initiate Futures trading and to maintain  the
Fund's  open  positions in  Futures Contracts.  A margin  deposit made  when the
Futures Contract is entered  into ("initial margin") is  intended to assure  the
Fund's  performance  under  the  Futures Contract.  The  margin  required  for a
particular Futures Contract is set by the exchange on which the Futures Contract
is traded and may be  significantly modified from time  to time by the  exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission merchant through  which the  Fund entered into  the Futures  Contract
will  be made on a daily basis as the price of the underlying security, currency
or index fluctuates making the Futures Contract more or less valuable, a process
known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in  interest rates  and currency  exchange rates,  and in  stock  market
movements,  which  in turn  are  affected by  fiscal  and monetary  policies and
national and international political and economic events.
 
                  Statement of Additional Information Page 10
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and prices  of the securities  or currencies in  the Fund's portfolio
being  hedged.  The   degree  of  imperfection   of  correlation  depends   upon
circumstances  such as: variations in speculative  market demand for Futures and
for securities or currencies, including technical influences in Futures trading;
and  differences  between  the  financial  instruments  being  hedged  and   the
instruments  underlying the standard Futures  Contracts available for trading. A
decision of whether, when and how to hedge involves skill and judgment, and even
a well-conceived hedge may be unsuccessful to some degree because of  unexpected
market behavior or interest or currency rate trends.
 
Because  of  the  low  margin deposits  required,  Futures  trading  involves an
extremely high  degree  of leverage.  As  a  result, a  relatively  small  price
movement  in a Futures Contract may result in immediate and substantial loss, as
well as gain, to the investor. For example,  if at the time of purchase, 10%  of
the  value of  the Futures  Contract is  deposited as  margin, a  subsequent 10%
decrease in the value of  the Futures Contract would result  in a total loss  of
the  margin  deposit, before  any deduction  for the  transaction costs,  if the
account were then closed  out. A 15%  decrease would result in  a loss equal  to
150%  of the original margin  deposit, if the Futures  Contract were closed out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily limit establishes the maximum amount that the price of a Futures  Contract
or option may vary either up or down from the previous day's settlement price at
the  end  of a  trading session.  Once the  daily  limit has  been reached  in a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a particular trading day and therefore does not limit potential losses,  because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and  option  prices  have occasionally  moved  to  the daily  limit  for several
consecutive trading days with  little or no  trading, thereby preventing  prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to  the absence of a liquid secondary  market or the imposition of price limits,
it could incur  substantial losses.  The Fund would  continue to  be subject  to
market  risk with respect  to the position.  In addition, except  in the case of
purchased options,  the  Fund  would  continue to  be  required  to  make  daily
variation  margin payments and might be  required to maintain the position being
hedged by the Future or option or to maintain cash or securities in a segregated
account.
 
Certain characteristics  of the  Futures  market might  increase the  risk  that
movements  in the prices  of Futures Contracts  or options on  Futures might not
correlate perfectly  with  movements in  the  prices of  the  investments  being
hedged.  For example,  all participants  in the  Futures and  options on Futures
Markets are subject to  daily variation margin calls  and might be compelled  to
liquidate  Futures  or  options on  Futures  positions whose  prices  are moving
unfavorably to avoid being  subject to further  calls. These liquidations  could
increase  price  volatility  of the  instruments  and distort  the  normal price
relationship between the Futures  or options and  the investments being  hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous  than  margin requirements  in the  securities  markets, there  might be
increased  participation   by  speculators   in   the  Futures   markets.   This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage, "program trading"  and other  investment strategies  might result  in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options  on Futures Contracts are similar to options on securities or currencies
except that options on Futures Contracts give the purchaser the right, in return
for the  premium paid,  to  assume a  position in  a  Futures Contract  (a  long
position  if the option is a call and a  short position if the option is a put),
at a specified exercise price at any time during the period of the option.  Upon
exercise  of the option, the  delivery of the Futures  position by the writer of
the option to the holder  of the option will be  accompanied by delivery of  the
accumulated balance in the writer's Futures margin account, which represents the
amount  by which the market price of  the Futures Contract, at exercise, exceeds
(in the case of  a call) or  is less than (in  the case of  a put) the  exercise
price  of the option on  the Futures Contract. If an  option is exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to  the difference between the exercise price  of
the  option and the  closing level of  the securities, currencies  or index upon
which the  Futures Contract  is  based on  the  expiration date.  Purchasers  of
options  who fail to exercise their options  prior to the exercise date suffer a
loss of the premium paid.
 
The purchase of  call options  on Futures  can serve as  a long  hedge, and  the
purchase  of put  options on Futures  can serve  as a short  hedge. Writing call
options on Futures can serve as a  limited short hedge, and writing put  options
on  Futures can serve as a limited long  hedge, using a strategy similar to that
used for writing options on securities, foreign currencies or indices.
 
                  Statement of Additional Information Page 11
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
If the Fund  writes an  option on  a Futures Contract,  it will  be required  to
deposit  initial and variation margin pursuant  to requirements similar to those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The Fund may seek to close out an option position by selling an option  covering
the  same Futures  Contract and  having the  same exercise  price and expiration
date. The  ability to  establish and  close  out positions  on such  options  is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
   
To the extent that  the Fund enters into  Futures Contracts, options on  Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange, in each case other than for BONA FIDE hedging purposes (as defined  by
the CFTC), the aggregate initial margin and premiums required to establish those
positions  (excluding the amount  by which options  are "in-the-money") will not
exceed 5% of the  liquidation value of the  Fund's portfolio, after taking  into
account  unrealized profits and unrealized losses  on any contracts the Fund has
entered into. In general, a call option on a Futures Contract is  "in-the-money"
if  the  value of  the  underlying Futures  Contract  exceeds the  strike, I.E.,
exercise,  price  of  the  call;  a   put  option  on  a  Futures  Contract   is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund may either
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular  foreign  currency forward,  for  example, when  it  holds securities
denominated in a  foreign currency but  anticipates, and seeks  to be  protected
against,  a decline in the currency against the U.S. dollar. Similarly, the Fund
might sell the U.S. dollar forward when it holds securities denominated in  U.S.
dollars,  but anticipates, and seeks  to be protected against,  a decline in the
U.S. dollar relative  to other currencies.  Further, the Fund  might purchase  a
currency  forward  to "lock  in"  the price  of  securities denominated  in that
currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S.  or foreign  banks and  securities or  currency dealers  in accordance with
guidelines approved by the Company's Board of Trustees.
    
 
The Fund  may enter  into  Forward Contracts  either  with respect  to  specific
transactions  or with  respect to  the Fund's  portfolio positions.  The precise
matching of the Forward  Contract amounts and the  value of specific  securities
will  not generally be possible  because the future value  of such securities in
foreign currencies will change as a consequence of market movements in the value
of those securities between  the date the Forward  Contract is entered into  and
the  date it matures. Accordingly, it may  be necessary for the Fund to purchase
additional foreign  currency on  the  spot (I.E.,  cash)  market (and  bear  the
expense  of such purchase) if the market value  of the security is less than the
amount of foreign currency the Fund is obligated to deliver and if a decision is
made to sell the security and make delivery of the foreign currency. Conversely,
it may be necessary to sell on the spot market some of the foreign currency  the
Fund  is  obligated to  deliver. The  projection  of short-term  currency market
movements is extremely difficult, and  the successful execution of a  short-term
hedging  strategy is highly  uncertain. Forward Contracts  involve the risk that
anticipated currency movements  will not  be accurately  predicted, causing  the
Fund to sustain losses on these contracts and transaction costs.
 
At  or before the  maturity of a Forward  Contract requiring the  Fund to sell a
currency, the  Fund  may either  sell  a portfolio  security  and use  the  sale
proceeds  to make delivery of the currency or retain the security and offset its
contractual obligation to deliver the  currency by purchasing a second  contract
pursuant  to which  the Fund will  obtain, on  the same maturity  date, the same
amount of the currency that it is obligated to deliver. Similarly, the Fund  may
close  out a Forward Contract  requiring it to purchase  a specified currency by
entering into a  second contract, if  its contra party  agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund would  realize a gain  or loss as a  result of entering  into
such  an offsetting Forward Contract under either circumstance to the extent the
exchange rate  or  rates  between  the currencies  involved  moved  between  the
execution dates of the first contract and the offsetting contract.
 
                  Statement of Additional Information Page 12
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
The  cost to the Fund of engaging  in Forward Contracts varies with factors such
as the currencies  involved, the length  of the contract  period and the  market
conditions  then prevailing. Because Forward  Contracts are usually entered into
on a principal basis, no  fees or commissions are  involved. The use of  Forward
Contracts  does  not  eliminate fluctuations  in  the prices  of  the underlying
securities the Fund owns or intends to acquire, but it does establish a rate  of
exchange in advance. In addition, while Forward Contract Sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The  Fund may use options on  foreign currencies, Futures on foreign currencies,
options on Futures on foreign currencies and Forward Contracts to hedge  against
movements in the values of the foreign currencies in which the Fund's securities
are  denominated. Such currency hedges can  protect against price movements in a
security that  the Fund  owns or  intends to  acquire that  are attributable  to
changes  in the value of the currency in which it is denominated. Such hedges do
not, however,  protect  against  price  movements in  the  securities  that  are
attributable to other causes.
 
   
The  Fund  might seek  to hedge  against changes  in the  value of  a particular
currency when no  Futures Contract,  Forward Contract or  option involving  that
currency  is available or one  of such contracts is  more expensive than certain
other contracts. In such  cases, the Fund may  hedge against price movements  in
that  currency by  entering into  a contract  on another  currency or  basket of
currencies, the values of  which the Sub-adviser believes  will have a  positive
correlation  to the value of the currency  being hedged. The risk that movements
in the price of the contract will not correlate perfectly with movements in  the
price of the currency being hedged is magnified when this strategy is used.
    
 
The  value of Futures Contracts, options on Futures Contracts, Forward Contracts
and options  on  foreign currencies  depends  on  the value  of  the  underlying
currency  relative  to the  U.S  dollar. Because  foreign  currency transactions
occurring in the  interbank market  might involve  substantially larger  amounts
than  those  involved in  the  use of  Futures  Contracts, Forward  Contracts or
options, the  Fund could  be disadvantaged  by  dealing in  the odd  lot  market
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying foreign currencies at prices that  are less favorable than for  round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or  any  regulatory requirements  that quotations  available through  dealers or
other market sources be firm or revised on a timely basis. Quotation information
generally is representative of very  large transactions in the interbank  market
and  thus  might not  reflect  odd-lot transactions  where  rates might  be less
favorable.  The   interbank  market   in  foreign   currencies  is   a   global,
round-the-clock  market. To the  extent the U.S. options  or Futures markets are
closed while the markets for the underlying currencies remain open,  significant
price  and rate movements might take place in the underlying markets that cannot
be reflected in  the markets  for the Futures  contracts or  options until  they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies  might  be required  to  take place  within  the country  issuing the
underlying currency. Thus, the Fund might be required to accept or make delivery
of the  underlying foreign  currency  in accordance  with  any U.S.  or  foreign
regulations  regarding the maintenance  of foreign banking  arrangements by U.S.
residents and might be  required to pay any  fees, taxes and charges  associated
with such delivery assessed in the issuing country.
 
COVER
Transactions  using Forward Contracts, Futures Contracts and options (other than
options purchased  by the  Fund) expose  the Fund  to an  obligation to  another
party.  The Fund will not enter into any such transactions unless it owns either
(1) an  offsetting  ("covered") position  in  securities, currencies,  or  other
options,  Forward Contracts or  Futures Contracts, or  (2) cash, receivables and
short-term debt securities  with a value  sufficient at all  times to cover  its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets  used as cover or  held in a segregated account  cannot be sold while the
position in the corresponding  Forward Contract, Futures  Contract or option  is
open, unless they are replaced with other appropriate assets. If a large portion
of  the Fund's assets are used for cover or otherwise set aside, it could affect
portfolio management or the Fund's ability to meet redemption requests or  other
current obligations.
 
                  Statement of Additional Information Page 13
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The  Fund  may  invest up  to  10% of  its  net assets  in  illiquid securities.
Securities may  be considered  illiquid  if the  Fund cannot  reasonably  expect
within  seven days to sell the securities  for approximately the amount at which
the Fund values such securities. The sale of illiquid securities, if they can be
sold at all,  generally will require  more time and  result in higher  brokerage
charges  or dealer discounts  and other selling  expenses than will  the sale of
liquid securities such  as securities  eligible for trading  on U.S.  securities
exchanges  or in the OTC markets.  Moreover, restricted securities, which may be
illiquid for purposes  of this limitation,  often sell,  if at all,  at a  price
lower than similar securities that are not subject to restrictions on resale.
 
Illiquid  securities include those that are subject to restrictions contained in
the securities  laws of  other countries.  However, securities  that are  freely
marketable  in the country where  they are principally traded,  but would not be
freely marketable in the United States,  will not be considered illiquid.  Where
registration  is required, the Fund  may be obligated to pay  all or part of the
registration expenses and a considerable period  may elapse between the time  of
the  decision to sell and the time the  Fund may be permitted to sell a security
under an effective  registration statement.  If, during such  a period,  adverse
market  conditions were to develop, the Fund might obtain a less favorable price
than prevailed when it decided to sell.
 
Not  all  restricted  securities   are  illiquid.  In   recent  years  a   large
institutional   market  has  developed  for  certain  securities  that  are  not
registered under the Securities Act of 1933, as amended ("1933 Act"),  including
private  placements, repurchase agreements, commercial paper, foreign securities
and corporate bonds and notes. These instruments are often restricted securities
because the  securities are  sold in  transactions not  requiring  registration.
Institutional investors generally will not seek to sell these instruments to the
general   public,  but  instead  will  often   depend  either  on  an  efficient
institutional market in which such unregistered securities can be readily resold
or on an issuer's ability to honor  a demand for repayment. Therefore, the  fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule  144A under the 1933 Act establishes  a "safe harbor" from the registration
requirements of the  1933 Act  for resales  of certain  securities to  qualified
institutional  buyers.  Institutional  markets  for  restricted  securities have
developed as a result of Rule 144A, providing both readily ascertainable  values
for  restricted securities and the ability to liquidate an investment to satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance and  settlement of  unregistered securities  of domestic  and  foreign
issuers,  such as  the PORTAL  System sponsored  by the  National Association of
Securities Dealers,  Inc.  An  insufficient number  of  qualified  institutional
buyers interested in purchasing Rule 144A eligible restricted securities held by
the  Fund, however, could  affect adversely the  marketability of such portfolio
securities and the Fund might be  unable to dispose of such securities  promptly
or at favorable prices.
 
   
With  respect  to liquidity  determinations  generally, the  Company's  Board of
Trustees has  the  ultimate  responsibility  for  determining  whether  specific
securities, including restricted securities pursuant to Rule 144A under the 1933
Act,  are liquid  or illiquid.  The Board has  delegated the  function of making
day-to-day determinations of  liquidity to  the Sub-adviser  in accordance  with
procedures  approved by the  Company's Board of  Trustees. The Sub-adviser takes
into account a number of factors in reaching liquidity decisions, including, but
not limited to: (i) the frequency of trading in the security; (ii) the number of
dealers who make quotes for the security; (iii) the number of dealers that  have
undertaken  to make a market in the security; (iv) the number of other potential
purchasers; and  (v) the  nature of  the security  and how  trading is  effected
(e.g.,  the time needed to  sell the security, how  offers are solicited and the
mechanics of transfer). The Sub-adviser monitors the liquidity of securities  in
the  Fund's portfolio and periodically reports  such determinations to the Board
of Trustees. Moreover, as noted in  the Prospectus, certain securities, such  as
those  subject  to  repatriation  restrictions of  more  than  seven  days, will
generally be treated as illiquid. If the liquidity percentage restriction of the
Fund is satisfied at the time of investment, a later increase in the  percentage
of  illiquid securities held by  the Theme Portfolio resulting  from a change in
market value or assets will not  constitute a violation of that restriction.  If
as  a result of a  change in market value or  assets, the percentage of illiquid
securities  held  by  the  Fund  increases  above  the  applicable  limit,   the
Sub-adviser
    
 
                  Statement of Additional Information Page 14
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
will  take appropriate  steps to bring  the aggregate amount  of illiquid assets
back within the prescribed limitations as soon as reasonably practicable, taking
into account the effect of any disposition on the Fund.
    
 
More than 10% of the Fund's total assets may consist of illiquid securities from
time to time either because of adverse events which occur following the purchase
of the  securities  which  cause  them to  become  illiquid  or  because  liquid
securities  are sold  to meet  redemption requests or  other needs  of the Fund.
Illiquid securities are more difficult to  value accurately due to, among  other
things,  the  fact that  such  securities often  trade  infrequently or  only in
smaller amounts.
 
FOREIGN SECURITIES
    POLITICAL, SOCIAL  AND  ECONOMIC RISKS.  Investing  in securities  of  Latin
American  companies may entail additional risks  due to the potential political,
social  and  economic  instability  of  certain  countries  and  the  risks   of
expropriation,  nationalization, confiscation or  the imposition of restrictions
on foreign investment,  convertibility of  currencies into U.S.  dollars and  on
repatriation   of  capital  invested.  In   the  event  of  such  expropriation,
nationalization or other confiscation  by any country, the  Fund could lose  its
entire investment in any such country.
 
In  addition,  even  though  opportunities for  investment  may  exist  in Latin
American countries, any change in the leadership or policies of the  governments
of  those countries  or in  the leadership or  policies of  any other government
which exercises  a significant  influence  over those  countries, may  halt  the
expansion  of or reverse  the liberalization of  foreign investment policies now
occurring and thereby eliminate any investment opportunities which may currently
exist.
 
Investors should note that upon the accession to power of authoritarian regimes,
the governments of a number of Latin American countries previously  expropriated
large  quantities of real  and personal property, similar  to the property which
will be  represented by  the securities  purchased by  the Fund.  The claims  of
property  owners against those governments were never finally settled. There can
be no assurance  that any property  represented by securities  purchased by  the
Fund  will not also be expropriated,  nationalized, or otherwise confiscated. If
such confiscation were to  occur, the Fund could  lose a substantial portion  of
its  investments in  such countries. The  Fund's investments  would similarly be
adversely affected by exchange control regulations in any of those countries.
 
    RELIGIOUS AND ETHNIC INSTABILITY.  Certain countries in  which the Fund  may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of property owned by individuals and entities foreign to such country and  could
cause the loss of the Fund's investment in those countries. Instability may also
result  from,  among other  things:  (i) authoritarian  governments  or military
involvement in  political and  economic  decision-making, including  changes  in
government  through extra  constitutional means; (ii)  popular unrest associated
with demands for improved political,  economic and social conditions; and  (iii)
hostile  relations with neighboring  or other countries.  Such political, social
and economic instability could disrupt the principal financial markets in  which
the Fund invests and adversely affect the value of the Fund's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial restrictions on investments  in their capital markets,  particularly
their  equity markets, by foreign entities  such as the Fund. These restrictions
or controls may at times limit or preclude investment in certain securities  and
may  increase the cost and expenses of  the Fund. For example, certain countries
require prior governmental approval before investments by foreign persons may be
made, or  limit the  amount of  investment by  foreign persons  in a  particular
company,  or limit the investment by foreign persons to only a specific class of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of certain  countries  may  restrict  investment  opportunities  in  issuers  or
industries  deemed sensitive to national  interests. In addition, some countries
require governmental approval for the repatriation of investment income, capital
or the proceeds of securities sales by foreign investors. In addition, if  there
is  a deterioration in a  country's balance of payments  or for other reasons, a
country may impose restrictions on foreign capital remittances abroad. The  Fund
could  be adversely affected by  delays in, or a  refusal to grant, any required
governmental approval for repatriation, as well  as by the application to it  of
other restrictions on investments.
 
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting principles. Most of the foreign securities held by the  Fund
will  not be registered with  the SEC or regulators  of any foreign country, nor
will the issuers thereof be subject  to the SEC's reporting requirements.  Thus,
there  will be  less available  information concerning  most foreign  issuers of
securities held  by the  Fund  than is  available  concerning U.S.  issuers.  In
instances    where   the   financial   statements   of   an   issuer   are   not
 
                  Statement of Additional Information Page 15
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
deemed to  reflect  accurately  the  financial  situation  of  the  issuer,  the
Sub-adviser  will take  appropriate steps  to evaluate  the proposed investment,
which may  include  on-site  inspection  of  the  issuer,  interviews  with  its
management  and consultations  with accountants, bankers  and other specialists.
There  is  substantially  less  publicly  available  information  about  foreign
issuers,  including  Latin  American  companies, and  the  governments  of Latin
American countries,  than there  are reports  and ratings  published about  U.S.
companies  and the  U.S. government.  In addition,  where public  information is
available, it may be less reliable than such information regarding U.S. issuers.
In addition,  for companies  that  keep accounting  records in  local  currency,
inflation  accounting rules in  some Latin American  countries require, for both
tax and accounting purposes, that certain assets and liabilities be restated  on
the  company's balance sheet in  order to express items  in terms of currency of
constant purchasing power. Inflation  accounting may indirectly generate  losses
or  profits. Issuers  of securities in  foreign jurisdictions  are generally not
subject to the same  degree of regulation  as are U.S.  issuers with respect  to
such  matters  as restrictions  on market  manipulation, insider  trading rules,
shareholder proxy requirements and timely disclosure of information.
    
 
    CURRENCY FLUCTUATIONS.  Because the  Fund  under normal  circumstances  will
invest  a substantial portion of  its total assets in  the securities of foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the U.S. dollar  against such foreign  currencies will account  for part of  the
Fund's investment performance. A decline in the value of any particular currency
against  the U.S. dollar  will cause a decline  in the U.S.  dollar value of the
Fund's holdings  of  securities  and  cash denominated  in  such  currency  and,
therefore,  will cause an overall decline in  the Fund's net asset value and any
net investment  income and  capital gains  derived from  such securities  to  be
distributed  in U.S. dollars to shareholders of the Fund. Moreover, if the value
of the foreign currencies in which  the Fund receives its income falls  relative
to  the  U.S.  dollar between  receipt  of the  income  and the  making  of Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions if  the  Fund  has  insufficient cash  in  U.S.  dollars  to  meet
distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors including  the supply and  demand for particular  currencies,
central  bank efforts to support particular currencies, the movement of interest
rates and  pace of  business activity  in  the other  countries and  the  United
States, and other economic and financial conditions affecting the world economy.
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  (the  "spread") between  the  prices at  which  they are  buying and
selling various currencies. Thus, a dealer may offer to sell a foreign  currency
to  the Fund at  one rate, while offering  a lesser rate  of exchange should the
Fund desire to sell that currency to the dealer.
 
Certain  Latin  American  countries  may  have  managed  currencies  which   are
maintained  at  artificial  levels to  the  U.S.  dollar rather  than  at levels
determined by the  market. This  type of  system can  lead to  sudden and  large
adjustments  in the currency which, in turn,  can have a disruptive and negative
effect on foreign investors. For example, in late 1994 the value of the  Mexican
peso lost more than one-third of its value relative to the dollar. Certain Latin
American  countries also may restrict the free conversion of their currency into
foreign currencies, including the U.S.  dollar. There is no significant  foreign
exchange  market for certain currencies and it  would, as a result, be difficult
for the Fund to engage in foreign currency transactions designed to protect  the
value  of  the  Funds'  certain  interests  in  securities  denominated  in such
currencies.
 
   
    ADVERSE MARKET CHARACTERISTICS.  Securities of many  foreign issuers may  be
less  liquid and their  prices more volatile than  securities of comparable U.S.
issuers. In  addition,  foreign securities  markets  and brokers  are  generally
subject  to  less governmental  supervision and  regulation  than in  the United
States, and  foreign  securities  transactions  are  usually  subject  to  fixed
commissions,  which  are generally  higher than  negotiated commissions  on U.S.
transactions. In addition,  foreign securities  transactions may  be subject  to
difficulties  associated  with the  settlement of  such transactions.  Delays in
settlement could  result  in temporary  periods  when  assets of  the  Fund  are
uninvested  and no return is  earned thereon. The inability  of the Fund to make
intended security purchases due to settlement  problems could cause the Fund  to
miss  attractive investment opportunities.  Inability to dispose  of a portfolio
security due to settlement  problems either could result  in losses to the  Fund
due  to subsequent declines in  value of the portfolio  security or, if the Fund
has entered  into a  contract to  sell the  security, could  result in  possible
liability to the purchaser. The Sub-adviser will consider such difficulties when
determining  the allocation of the Fund's  assets, although the Sub-adviser does
not believe that such  difficulties will have a  material adverse effect on  the
Fund's portfolio trading activities.
    
 
A  high proportion of the shares of many Latin American companies may be held by
a limited  number of  persons, which  may  further limit  the number  of  shares
available  for investment by the  Fund. A limited number  of issuers in most, if
not all,
 
                  Statement of Additional Information Page 16
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
Latin American  securities  markets  may represent  a  disproportionately  large
percentage  of market capitalization and trading value. The limited liquidity of
Latin American securities markets also may affect the Fund's ability to  acquire
or  dispose of securities at the price and time it wishes to do so. In addition,
certain Latin American securities markets, including those of Argentina, Brazil,
Chile and Mexico, are susceptible to being influenced by large investors trading
significant  blocks  of  securities  or  by  large  dispositions  of  securities
resulting from the failure to meet margin calls when due.
 
The high volatility of certain Latin American securities markets is evidenced by
dramatic  movements in the  Brazilian and Mexican markets  in recent years. This
market volatility may result in greater volatility in the Fund's net asset value
than would be the  case for companies investing  in domestic securities. If  the
Fund  were to experience unexpected net redemptions,  it could be forced to sell
securities  in  its  portfolio  without  regard  to  investment  merit,  thereby
decreasing  the asset base over  which Fund expenses can  be spread and possibly
reducing the Fund's rate of return.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  EMERGING  MARKETS.  Emerging  securities
markets,  such as the markets of  Latin America, are substantially smaller, less
developed, less liquid and more volatile than the major securities markets.  The
limited  size  of  emerging securities  markets  and limited  trading  volume in
issuers compared to the volume of trading in U.S. securities could cause  prices
to  be erratic  for reasons apart  from factors  that affect the  quality of the
securities. For  example, limited  market size  may cause  prices to  be  unduly
influenced  by  traders  who  control  large  positions.  Adverse  publicity and
investors' perceptions,  whether  or  not based  on  fundamental  analysis,  may
decrease  the value and  liquidity of portfolio  securities, especially in these
markets. In  addition, securities  traded  in certain  emerging markets  may  be
subject  to risks due to the inexperience of financial intermediaries, a lack of
modern technology, the  lack of  a sufficient  capital base  to expand  business
operations,  and  the  possibility  of  permanent  or  temporary  termination of
trading.
 
Settlement mechanisms in emerging securities  markets may be less efficient  and
reliable  than in  more developed markets.  In such  emerging securities markets
there may be share registration and delivery delays or failures.
 
Most Latin American countries have experienced substantial, and in some  periods
extremely  high, rates of  inflation for many  years. This has,  in turn, led to
high interest rates, extreme measures by governments to keep inflation in  check
and  a generally  debilitating effect  on economic  growth. Inflation  and rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and may  continue to  have  negative effects  on  the economies  and  securities
markets of certain Latin American countries.
 
It  should  be noted  that some  Latin  American countries  require governmental
approval for the repatriation of investment  income, capital or the proceeds  of
securities  sales  by  foreign  investors.  For  instance,  at  present, capital
invested directly in Chile cannot under most circumstances be repatriated for at
least one year. The Fund could be adversely affected by delays in, or a  refusal
to grant, any required governmental approval for repatriation, as well as by the
application to it of other restrictions on investments.
 
    SOVEREIGN  DEBT. Sovereign Debt generally offers high yields, reflecting not
only perceived  credit risk,  but also  the  need to  compete with  other  local
investments  in domestic financial markets. Certain Latin American countries are
among the  largest  debtors  to  commercial banks  and  foreign  governments.  A
sovereign debtor's willingness or ability to repay principal and interest due in
a  timely  manner  may  be  affected by,  among  other  factors,  its  cash flow
situation, the extent of  its foreign reserves,  the availability of  sufficient
foreign  exchange on the  date a payment is  due, the relative  size of the debt
service burden to the economy as a whole, the sovereign debtor's policy  towards
the  International  Monetary  Fund  and the  political  constraints  to  which a
sovereign debtor  may  be  subject.  Sovereign  debtors  may  default  on  their
Sovereign   Debt.  Sovereign   debtors  may   also  be   dependent  on  expected
disbursements from foreign governments, multilateral agencies and others  abroad
to reduce principal and interest arrearages on their debt. The commitment on the
part of these governments, agencies and others to make such disbursements may be
conditioned  on a sovereign  debtor's implementation of  economic reforms and/or
economic performance  and  the  timely service  of  such  debtor's  obligations.
Failure  to implement such reforms, achieve  such levels of economic performance
or repay principal or interest when due, may result in the cancellation of  such
third  parties' commitments  to lend  funds to  the sovereign  debtor, which may
further impair such debtor's ability or willingness to timely service its debts.
 
In recent years, some of the Latin American countries in which the Fund  expects
to  invest have encountered difficulties in servicing their Sovereign Debt. Some
of these  countries  have withheld  payments  of interest  and/or  principal  of
Sovereign  Debt. These difficulties  have also led  to agreements to restructure
external debt obligations -- in particular, commercial bank loans, typically  by
rescheduling  principal  payments,  reducing interest  rates  and  extending new
credits to finance interest payments on existing debt. In the future, holders of
Sovereign Debt may be requested to participate in similar reschedulings of  such
debt.
 
                  Statement of Additional Information Page 17
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
The  ability  of Latin  American governments  to make  timely payments  on their
Sovereign Debt is  likely to be  influenced strongly by  a country's balance  of
trade  and its access to trade and  other international credits. A country whose
exports are concentrated in a few  commodities could be vulnerable to a  decline
in  the  international prices  of  one or  more  of such  commodities. Increased
protectionism on the part of a  country's trading partners could also  adversely
affect  its  exports.  Such  events could  diminish  a  country's  trade account
surplus, if any. To the extent that  a country receives payment for its  exports
in  currencies other  than hard  currencies, its  ability to  make hard currency
payments could be affected.
 
   
The occurrence of political, social or diplomatic changes in one or more of  the
countries  issuing Sovereign Debt could adversely affect the Fund's investments.
The countries  issuing such  instruments  are faced  with social  and  political
issues and some of them have experienced high rates of inflation in recent years
and  have  extensive  internal debt.  Among  other effects,  high  inflation and
internal  debt  service   requirements  may  adversely   affect  the  cost   and
availability  of  future domestic  sovereign  borrowing to  finance governmental
programs,  and  may   have  other   adverse  social,   political  and   economic
consequences.  Political  changes or  a  deterioration of  a  country's domestic
economy or balance of trade may  affect the willingness of countries to  service
their  Sovereign  Debt.  While  the Sub-adviser  intends  to  manage  the Fund's
portfolio in a manner that will minimize  the exposure to such risks, there  can
be no assurance that adverse political changes will not cause the Fund to suffer
a loss of interest or principal on any of its holdings.
    
 
Periods of economic uncertainty may result in the volatility of market prices of
Sovereign Debt and in turn, the Fund's net asset value, to a greater extent than
the volatility inherent in domestic securities. The value of Sovereign Debt will
likely  vary  inversely with  changes in  prevailing  interest rates,  which are
subject to considerable variance in the  international market. If the Fund  were
to  experience unexpected  net redemptions, it  may be forced  to sell Sovereign
Debt in its portfolio without regard to investment merit, thereby decreasing its
asset base over which Fund expenses can be spread and possibly reducing its rate
of return.
 
   
    WITHHOLDING TAXES. The Fund's net investment income from foreign issuers may
be subject to withholding taxes by the foreign country issuers, thereby reducing
the Fund's net investment income or  delaying the receipt of income where  those
taxes may be recaptured. See "Taxes."
    
 
- --------------------------------------------------------------------------------
 
   
                             INVESTMENT LIMITATIONS
    
 
- --------------------------------------------------------------------------------
   
The  Fund  has  adopted  the  following  investment  limitations  as fundamental
policies which (unless otherwise noted) may  not be changed without approval  by
the  holders of  the lesser  of (i) 67%  of the  Fund's shares  represented at a
meeting at which more  than 50% of the  outstanding shares are represented,  and
(ii) more than 50% of the outstanding shares.
    
 
   
The Fund may not:
    
 
   
        (1)  Purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2) Purchase or sell real estate, except that investments in  securities
    of  issuers that  invest in real  estate and  investments in mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the  Fund may exercise rights under  agreements relating to such securities,
    including the right to  enforce security interests and  to hold real  estate
    acquired  by  reason  of such  enforcement  until  that real  estate  can be
    liquidated in an orderly manner;
    
 
   
        (3) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (4)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
                  Statement of Additional Information Page 18
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
        (5)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting borrowings) at the time of the borrowing, except that the  Fund
    may  borrow up to  an additional 5%  of its total  assets (not including the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (6) Purchase or sell  physical commodities, but  the Fund may  purchase,
    sell  or enter into financial options and futures, forward and spot currency
    contracts, swap  transactions and  other financial  contracts or  derivative
    instruments.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of   its  investable  assets  (cash,   securities  and  receivables  related  to
securities) in an  open-end management investment  company having  substantially
the same investment objective, policies and limitations as the Fund.
    
 
   
For  purposes of  the Fund's concentration  policy contained  in limitation (1),
above, the Fund intends  to comply with the  SEC staff position that  securities
issued  or  guaranteed  as  to  principal and  interest  by  any  single foreign
government are considered to be securities of issuers in the same industry.
    
 
   
The following operating policies  of the Fund are  not fundamental policies  and
may  be changed by vote  of the Company's Board  of Trustees without shareholder
approval. The Fund may not:
    
 
   
        (1) Invest in securities of an issuer if the investment would cause  the
    Fund to own more than 10% of any class of securities of any one issuer;
    
 
   
        (2)  Invest  in  companies  for the  purpose  of  exercising  control or
    management;
    
 
   
        (3) Invest  more than  10% of  its net  assets in  illiquid  securities,
    including securities that are illiquid by virtue of the absence of a readily
    available market;
    
 
   
        (4)  Enter into a futures contract, an  option on a futures contract, or
    an option on foreign currency traded  on a CFTC-regulated exchange, in  each
    case  other than for BONA FIDE hedging purposes (as defined by the CFTC), if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5% of  the liquidation  value of  the Fund's  portfolio, after  taking  into
    account  unrealized profits and unrealized losses  on any contracts the Fund
    has entered into;
    
 
   
        (5) Make any additional  investments while borrowings  exceed 5% of  the
    Fund's total assets;
    
 
   
        (6)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments; or
    
 
   
        (7) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
   
The  Fund has the authority to invest up to 10% of its total assets in shares of
other investment companies  pursuant to the  1940 Act. The  Fund may not  invest
more  than 5% of its total assets in  any one investment company or acquire more
than 3% of the outstanding voting securities of any one investment company.
    
 
   
Investors should refer to the Prospectus for further information with respect to
the Fund's investment objective, which may  not be changed without the  approval
of  the shareholders, and other investment policies, techniques and limitations,
which may be changed without shareholder approval.
    
 
                  Statement of Additional Information Page 19
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject to  policies  established  by  the  Company's  Board  of  Trustees,  the
Sub-adviser   is  responsible  for   the  execution  of   the  Fund's  portfolio
transactions and the selection of  broker/dealers who execute such  transactions
on behalf of the Fund. In executing transactions, the Sub-adviser seeks the best
net  results  for  the Fund,  taking  into  account such  factors  as  the price
(including the applicable brokerage  commission or dealer  spread), size of  the
order,  difficulty of execution and operational facilities of the firm involved.
While the Sub-adviser  generally seeks reasonably  competitive commission  rates
and  spreads,  payment of  the lowest  commission or  spread is  not necessarily
consistent with the best net results. While  the Fund may engage in soft  dollar
arrangements  for  research  services,  as  described  below,  the  Fund  has no
obligation to deal  with any  broker/dealer or  group of  broker/dealers in  the
execution of portfolio transactions.
    
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute  the  Fund's portfolio  transactions on  the basis  of the  research and
brokerage services they provide to the  Sub-adviser for its use in managing  the
Fund  and  its other  advisory accounts.  Such  services may  include furnishing
analyses, reports and  information concerning  issuers, industries,  securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance of accounts;  and effecting securities  transactions and  performing
functions  incidental thereto (such  as clearance and  settlement). Research and
brokerage services received  from such brokers  are in addition  to, and not  in
lieu  of, the  services required  to be performed  by the  Sub-adviser under the
investment management and  administration contract.  A commission  paid to  such
broker/dealers may be higher than that which another qualified broker would have
charged  for  effecting  the  same transaction,  provided  that  the Sub-adviser
determines in good faith that such  commission is reasonable in terms either  of
that  particular transaction or the overall responsibility of the Sub-adviser to
the Fund and its other clients and  that the total commissions paid by the  Fund
will  be reasonable in relation to the  benefits it received over the long term.
Research  services  may  also  be   received  from  dealers  who  execute   Fund
transactions in OTC markets.
    
 
   
The  Sub-adviser may allocate brokerage  transactions to broker/dealers who have
entered into arrangements under which  the broker/dealer allocates a portion  of
the  commissions  paid by  the  Fund toward  payment  of its  expenses,  such as
transfer agent and custodian fees.
    
 
   
Investment decisions for the Fund and  for other investment accounts managed  by
the  Sub-adviser  are made  independently of  each other  in light  of differing
conditions. However, the same investment  decision may occasionally be made  for
two  or more of  such accounts including  the Fund. In  such cases, simultaneous
transactions may occur.  Purchases or sales  are then allocated  as to price  or
amount  in a manner deemed fair and equitable to all accounts involved. While in
some cases this practice could have a detrimental effect upon the price or value
of the security as far as the Fund is concerned, in other cases the  Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Fund.
    
 
   
Under  a policy adopted by  the Company's Board of  Trustees, and subject to the
policy of  obtaining  the best  net  results,  the Sub-adviser  may  consider  a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser  serves as investment  manager in selecting  brokers and dealers for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The Fund contemplates purchasing most  foreign equity securities in OTC  markets
or  stock exchanges located  in the countries in  which the respective principal
offices of the issuers  of the various  securities are located,  if that is  the
best  available market. The fixed commissions  paid in connection with most such
foreign stock transactions generally are  higher than negotiated commissions  on
United  States transactions. There generally  is less government supervision and
regulation of foreign  stock exchanges and  brokers than in  the United  States.
Foreign  security settlements  may in  some instances  be subject  to delays and
related administrative uncertainties.
 
Foreign equity securities may  be held by  the Fund in the  form of ADRs,  ADSs,
EDRs, CDRs or securities convertible into foreign equity securities. ADRs, ADSs,
EDRs  and CDRs may be listed on stock exchanges, or traded in the OTC markets in
the United States or  Europe, as the  case may be.  ADRs, like other  securities
traded in the United States, will be subject to negotiated commission rates. The
foreign  and domestic debt securities and  money market instruments in which the
Fund may invest are generally traded in the OTC markets.
 
                  Statement of Additional Information Page 20
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results, brokerage transactions may be conducted through certain companies  that
are  members of Liechtenstein Global Trust.  The Company's Board of Trustees has
adopted procedures in conformity  with Rule 17e-1 under  the 1940 Act to  ensure
that  all brokerage commissions paid to  such affiliates are reasonable and fair
in the context of the market in which they are operating. Any such  transactions
will  be  effected  and  related  compensation  paid  only  in  accordance  with
applicable SEC regulations. For the Fund's fiscal years ended October 31,  1997,
1996  and 1995,  the Fund  paid aggregate  brokerage commissions  of $2,719,660,
$2,094,634 and $891,513, respectively.
    
 
PORTFOLIO TRADING AND TURNOVER
   
The Fund engages in  portfolio trading when the  Sub-adviser has concluded  that
the sale of a security owned by the Fund and/or the purchase of another security
of  better value can enhance principal and/or increase income. A security may be
sold to avoid  any prospective decline  in market  value, or a  security may  be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment objective, a  security also  may be  sold and  a comparable  security
purchased  coincidentally in order to take advantage of what is believed to be a
disparity in the normal yield and price relationship between the two securities.
Although the Fund does not intend generally to trade for short-term profits, the
securities in the Fund's portfolio will be sold whenever management believes  it
is  appropriate to  do so,  without regard  to the  length of  time a particular
security may  have been  held.  The portfolio  turnover  rate is  calculated  by
dividing  the lesser of sales or purchases of portfolio securities by the Fund's
average month-end portfolio value, excluding short-term investments. The  Fund's
portfolio turnover rate will not be a limiting factor when the Sub-adviser deems
portfolio    changes   appropriate.    Higher   portfolio    turnover   involves
correspondingly greater brokerage commissions  and other transaction costs  that
the  Fund will bear directly,  and may result in  the realization of net capital
gains that are taxable when distributed  to the Fund's shareholders. The  Fund's
portfolio  turnover rates for the  fiscal years ended October  31, 1997 and 1996
were 130% and 101%, respectively.
    
 
                  Statement of Additional Information Page 21
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
* Mr. Guilfoyle is an "interested persons" of the Company as defined by the 1940
Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
Kenneth W. Chancey, 52                   Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since 1997, Vice
Vice President and                       President -- Mutual Fund Accounting, the Sub-adviser from 1992 to 1997; and Vice
Principal Accounting Officer             President, Putnam Fiduciary Trust Company from 1989 to 1992.
50 California Street
San Francisco, CA 94111
<S>                                      <C>
 
Helge K. Lee, 52                         Chief Legal and Compliance Officer -- North America, the Sub-adviser since October 1997;
Vice President                           Executive Vice President of the Asset Management Division of Liechtenstein Global Trust
50 California Street                     since October 1996; Senior Vice President, General Counsel and Secretary of LGT Asset
San Francisco, CA 94111                  Management, Inc., Chancellor LGT, GT Global, GT Services and G.T. Insurance from February
                                         1996 to October 1996; Vice President, General Counsel and Secretary of GT Asset
                                         Management, Inc., [Chancellor LGT], GT Global, GT Services and G.T. Insurance from May
                                         1994 to February 1996; Senior Vice President, General Counsel and Secretary of
                                         Strong/Corneliuson Management, Inc. and Secretary of each of the Strong Funds from October
                                         1991 through May 1994.
              [THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE REGISTRATION STATEMENT]
</TABLE>
    
 
                         ------------------------------
 
   
The  Board of Trustees has  a Nominating and Audit  Committee, comprised of Miss
Quigley and Messrs.  Anderson, Bayley  and Patterson, which  is responsible  for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds  and recommending firms to serve  as independent auditors for the Company.
Each of the Trustees and Officers of  the Company is also a Trustee and  Officer
of  G.T. Investment Portfolios, GT Global Floating Rate Fund, G.T. Global Series
Trust, G.T. Global Growth Series, G.T.  Global Eastern Europe Fund, G.T.  Global
Variable  Investment Trust, G.T. Global  Variable Investment Series, Global High
Income Portfolio,  Global  Investment  Portfolio, Floating  Rate  Portfolio  and
Growth  Portfolio, which are also registered investment companies advised by AIM
and sub-advised by the Sub-adviser. Each Trustee and Officer serves in total  as
a  Trustee and Officer, respectively, of 12 registered investment companies with
47 series managed or administered by AIM and sub-advised and sub-administered by
the Sub-adviser. Each Trustee, who is not a director, officer or employee of the
Sub-adviser or  any affiliated  company is  paid aggregate  fees of  $5,000  per
annum, plus $300 per Fund for each meeting of the Board attended, and reimbursed
travel  and  other  expenses  incurred in  connection  with  attendance  at such
meetings. Other  Trustees  and  Officers  receive  no  compensation  or  expense
reimbursement  from the Company. For the fiscal year ended October 31, 1997, Mr.
Anderson, Mr. Bayley,  Mr. Patterson and  Miss Quigley, who  are not  directors,
officers  or employees  of the Sub-adviser  or any  affiliated company, received
total compensation of $38,650, $38,650, $27,850 and $38,650, respectively,  from
the Company for their services as Trustees. For the year ended October 31, 1997,
Mr.  Anderson, Mr.  Bayley, Mr. Patterson  and Miss Quigley  each received total
compensation of $117,304, $114,386, $88,350 and $111,688, respectively, from the
investment  companies  managed  or  administered  by  AIM  and  sub-advised  and
sub-administered  by the Sub-adviser  for which he  or she serves  as a Trustee.
Fees and expenses  disbursed to  the Trustees  contained no  accrued or  payable
pension or retirement benefits. As of January 8, 1998, the Officers and Trustees
and  their families as a group owned  in the aggregate beneficially or of record
less than 1%  of the  outstanding shares  of the Fund  or of  all the  Company's
series in the aggregate.
    
 
                  Statement of Additional Information Page 23
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and  AIM. The Sub-adviser serves  as the Fund's sub-adviser
and sub-administrator  under  a Sub-Advisory  and  Sub-Administration  Agreement
between  AIM and the  Sub-adviser ("Management Sub-Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Fund  and  administer  the  Fund's  affairs. Among  other  things,  AIM  and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of  the Company  and  the Fund,  and  provide suitable  office space,
necessary small office equipment and utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's Board  of  Trustees, or  by  the vote  of  a majority  of  the  Fund's
outstanding  voting securities (as defined in the 1940 Act), and (ii) a majority
of Trustees  who are  not parties  to the  Management Contracts  or  "interested
persons"  of any such  party (as defined in  the 1940 Act), cast  in person at a
meeting called  for  the  specific  purpose of  voting  on  such  approval.  The
Management Contracts provide that with respect to the Fund either the Company or
each  of AIM or the Sub-adviser may terminate the Contracts without penalty upon
sixty  (60)   days'  written   notice.   The  Management   Contracts   terminate
automatically in the event of their assignment (as defined in the 1940 Act).
    
 
   
For  the  fiscal years  ended October  31, 1997,  1996 and  1995, the  Fund paid
investment management and administration fees to the Sub-adviser in the  amounts
of $3,538,586, $3,365,375 and $3,913,429, respectively.
    
 
Certain   Latin   American  countries   require  a   local  entity   to  provide
administrative services for all direct investments by foreigners. Where required
by local  law,  the Fund  intends  to retain  a  local entity  to  provide  such
administrative  services. The local administrator will be paid a fee by the Fund
for its services.
 
DISTRIBUTION SERVICES
   
The Fund's  Advisor Class  shares are  continuously offered  through the  Fund's
principal  underwriter and  distributor, AIM  Distributors, on  a "best efforts"
basis without a sales charge or a contingent deferred sales charge.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The Transfer  Agent  has  been  retained by  the  Fund  to  perform  shareholder
servicing,  reporting and  general transfer  agent functions  for the  Fund. For
these services, the Transfer Agent receives an annual maintenance fee of  $17.50
per  account, a new account  fee of $4.00 per account,  a per transaction fee of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent is also reimbursed by the Fund for its out-of-pocket expenses
for such  items as  postage,  forms, telephone  charges, stationary  and  office
supplies. The Sub-adviser serves as the Fund's pricing and accounting agent. For
the  fiscal years ended  October 31, 1995  and October 31,  1996 and October 31,
1997 the  Fund paid  accounting services  fees to  the Sub-adviser  of  $24,138,
$86,436 and $90,733, respectively.
    
 
EXPENSES OF THE FUND
   
The  Fund pays all expenses not assumed  by the Sub-adviser, GT Global and other
agents. These expenses include,  in addition to  the advisory, transfer  agency,
pricing  and accounting  agency and  brokerage fees  discussed above,  legal and
audit expenses, custodian fees,  directors' fees, organizational fees,  fidelity
bond  and  other  insurance  premiums,  taxes,  extraordinary  expenses  and the
expenses of reports and prospectuses sent to existing investors. The  allocation
of  general Company  expenses and  expenses shared by  the Fund  and other funds
organized as series of  the Company with  one another are  allocated on a  basis
deemed  fair and equitable, which may be based on the relative net assets of the
Fund or the nature of the  services performed and relative applicability to  the
Fund.  Expenditures, including costs incurred in connection with the purchase or
sale of portfolio securities, which are capitalized in accordance with generally
accepted accounting principles applicable to investment companies, are accounted
for as capital items and  not as expenses. The ratio  of the Fund's expenses  to
its  relative net assets can be expected to be higher than the expense ratios of
funds investing solely in domestic securities, since the cost of maintaining the
custody of foreign securities and the rate of investment management fees paid by
the Fund generally are higher than the comparable expenses of such other funds.
    
 
                  Statement of Additional Information Page 24
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
The Fund's portfolio securities and other assets are valued as follows:
 
   
As  described in the Prospectus,  the Fund's net asset  value per share for each
class of  shares is  determined at  the close  of regular  trading on  the  NYSE
(currently  4:00 p.m. Eastern  Time)(unless weather, equipment  failure or other
factors contribute to an earlier closing time) on each day for which the NYSE is
open for business. Currently, the NYSE is closed on weekends and on certain days
relating to the  following holidays:  New Year's  Day, Martin  Luther King  Day,
President's  Day, Good Friday,  Memorial Day, July  4th, Labor Day, Thanksgiving
Day and Christmas Day.
    
 
   
Equity securities, including ADRs, ADSs, CDRs,  GDRs and EDRs, which are  traded
on  stock exchanges are valued  at the last sale price  on the exchange on which
such securities  are  traded,  as of  the  close  of business  on  the  day  the
securities  are being valued  or, lacking any  sales, at the  last available bid
price. In  cases where  securities are  traded on  more than  one exchange,  the
securities  are valued on the  exchange determined by the  Sub-adviser to be the
primary market. Securities traded in  the over-the-counter market are valued  at
the last available bid price prior to the time of valuation.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
and asked prices for such  securities or, if such  prices are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a  bond pricing  service  will be  used.  Short-term debt  investments are
amortized to  maturity  based  on  their cost,  adjusted  for  foreign  exchange
translation, provided such valuations represent fair value.
    
 
   
Options  on indices, securities and currencies  purchased by the Fund are valued
at their last bid  price in the case  of listed options or,  in the case of  OTC
options,  at the average of  the last bid prices  obtained from dealers unless a
quotation from only one  dealer is available, in  which case only that  dealer's
price  will be used. The value of  each security denominated in a currency other
than U.S.  dollars  will be  translated  into  U.S. dollars  at  the  prevailing
exchange  rate  as  determined  by  the Sub-adviser  on  that  day.  When market
quotations for  futures and  options on  futures held  by the  Fund are  readily
available, those positions will be valued based upon such quotations.
    
 
   
Securities  and  other  assets  for  which  market  quotations  are  not readily
available are valued at fair value as  determined in good faith by or under  the
direction  of the Company's Board of  Trustees. The valuation procedures applied
in any  specific  instance  are likely  to  vary  from case  to  case.  However,
consideration  is generally  given to the  financial position of  the issuer and
other fundamental analytical data relating to  the investment and to the  nature
of the restrictions on disposition of the securities (including any registration
expenses  that might be borne by the  Fund in connection with such disposition).
In addition, specific factors are also generally considered, such as the cost of
the investment, the  market value  of any  unrestricted securities  of the  same
class  (both at the time of purchase and  at the time of valuation), the size of
the holding, the  prices of any  recent transactions or  offers with respect  to
such securities and any available analysts' reports regarding the issuer.
    
 
The  fair value  of any  other assets is  added to  the value  of all securities
positions to  arrive  at  the value  of  the  Fund's total  assets.  The  Fund's
liabilities,  including  accruals  for  expenses, are  deducted  from  its total
assets. Once the total  value of the  Fund's net assets  is so determined,  that
value  is  then divided  by the  total number  of shares  outstanding (excluding
treasury shares), and the result, rounded to  the nearer cent, is the net  asset
value per share.
 
   
Any  assets or liabilities initially denominated  in terms of foreign currencies
are translated into U.S. dollars at the official exchange rate or at the mean of
the current bid and asked prices of such currencies against the U.S. dollar last
quoted by a major  bank that is  a regular participant  in the foreign  exchange
market  or on the basis of a pricing  service that takes into account the quotes
provided by a  number of such  major banks.  If none of  these alternatives  are
available  or none are deemed to provide a suitable methodology for converting a
foreign currency into  U.S. dollars, the  Board of Trustees  in good faith  will
establish a conversion rate for such currency.
    
 
Latin  American securities trading may  not take place on  all days on which the
NYSE is open. Further, trading takes place in various foreign markets on days on
which the NYSE  is not  open. Consequently, the  calculation of  the Fund's  net
asset  value may not take place  contemporaneously with the determination of the
prices of securities held by the Fund. Events
 
                  Statement of Additional Information Page 25
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
   
affecting the values of portfolio securities  that occur between the time  their
prices  are determined and the close of regular  trading on the NYSE will not be
reflected in  the Fund's  net  asset value  unless  the Sub-adviser,  under  the
supervision  of the Company's Board of  Trustees, determines that the particular
event would materially affect net asset value. As a result, the Fund's net asset
value may be significantly affected by  such trading on days when a  shareholder
cannot purchase or redeem shares of the Fund.
    
 
- --------------------------------------------------------------------------------
 
                       INFORMATION RELATING TO SALES AND
                                  REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment  for Advisor Class shares purchased should accompany the purchase order,
or funds should be wired to the  Transfer Agent as described in the  Prospectus.
Payment  for Fund shares, other than by wire  transfer, must be made by check or
money order drawn on a U.S. bank. Checks or money orders must be payable in U.S.
dollars.
 
As a condition of this offering, if an order to purchase Advisor Class shares is
cancelled due to nonpayment (for example,  because a check is returned for  "not
sufficient  funds"), the person who  made the order will  be responsible for any
loss incurred by the Fund by reason of such cancellation, and if such  purchaser
is  a shareholder, the Fund shall have the authority as agent of the shareholder
to redeem shares in his or her account at their then-current net asset value per
share to reimburse  the Fund  for the  loss incurred.  Investors whose  purchase
orders  have been  cancelled due  to nonpayment  may be  prohibited from placing
future orders.
 
The Fund  reserves the  right  at any  time to  waive  or increase  the  minimum
requirements applicable to initial or subsequent investments with respect to any
person  or class of persons.  An order to purchase shares  is not binding on the
Fund until it  has been confirmed  in writing  by the Transfer  Agent (or  other
arrangements  made with the Fund, in the  case of orders utilizing wire transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, the Fund reserves the right to reject any offer for a purchase  of
shares by any individual.
 
SALES OUTSIDE THE UNITED STATES
Sales  of Fund shares made through brokers  outside the United States will be at
net asset value plus a sales commission,  if any, established by that broker  or
by local law.
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
Class  A  or Class  B shares  of the  Fund  may be  purchased as  the underlying
investment for an IRA meeting the  requirements of sections 408(a), 408A or  530
of  the Internal Revenue Code  of 1986, as amended (the  "Code"), as well as for
qualified retirement plans described in Code Section 401 and custodial  accounts
complying with Code Section 403(b)(7).
 
   
IRAS: If you have earned income from employment (including self-employment), you
can  contribute each year to an IRA up  to the lesser of (1) $2,000 for yourself
or $4,000  for  you  and your  spouse,  regardless  of whether  your  spouse  is
employed,  or (2) 100% of compensation. Some  individuals may be able to take an
income tax deduction for the contribution. Regular contributions may not be made
for the year  you become 70  1/2 or  thereafter. Unless your  and your  spouse's
earnings  exceed  a certain  level, you  also may  establish an  "education IRA"
and/or a  "Roth IRA."  Although contributions  to these  new types  of IRAs  are
nondeductible,   withdrawals   from  them   will   be  tax-free   under  certain
circumstances. Please  consult  your  tax  adviser  for  more  information.  IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER  IRAS: Individuals who receive  distributions from qualified retirement
plans (other than  required distributions) and  who wish to  keep their  savings
growing  tax-deferred  can  roll  over  (or make  a  direct  transfer  of) their
distribution to a  Rollover IRA. These  accounts can also  receive rollovers  or
transfers  from an existing  IRA. If an "eligible  rollover distribution" from a
qualified employer-sponsored retirement plan is  not directly rolled over to  an
IRA  (or  certain qualified  plans),  withholding at  the  rate of  20%  will be
required for federal income tax purposes.  A distribution from a qualified  plan
that  is not an "eligible rollover  distribution," including a distribution that
is one of series of substantially equal periodic payments, generally is  subject
to  regular wage withholding or withholding at the rate of 10% (depending on the
type and  amount  of  the  distribution),  unless you  elect  not  to  have  any
withholding apply. Please consult your tax adviser for more information.
 
                  Statement of Additional Information Page 26
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
SEP-IRAS:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  Section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either  as separate  IRAs or as  part of  a Section  401(k)
plan.  SIMPLEs are not  subject to the  complicated nondiscrimination rules that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
Shares of the Fund  may be exchanged  for shares of  the corresponding class  of
other GT Global Mutual Funds, based on their respective net asset values without
imposition  of any sales  charges, provided the  registration remains identical.
The exchange privilege  is not  an option  or right  to purchase  shares but  is
permitted  under the current policies of  the respective GT Global Mutual Funds.
The privilege may be discontinued or changed  at any time by any of those  funds
upon sixty days' written notice to the shareholders of the fund and is available
only  in states where the exchange may be made legally. Before purchasing shares
through the exercise of the exchange privilege, a shareholder should obtain  and
read  a copy of the  prospectus of the fund to  be purchased and should consider
its investment objective(s).
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s),  and,  in the  case of  a  corporation, the  corporate seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic bank or savings institution if the proceeds are at least $500. Costs in
connection  with  the administration  of this  service, including  wire charges,
currently are borne by the  Fund. Proceeds of less than  $500 will be mailed  to
the  shareholder's registered address of record. The Fund and the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The  Fund may suspend redemption privileges or  postpone the date of payment for
more than seven days after a redemption order is received during any period  (1)
when  the NYSE is closed  other than customary weekend  and holiday closings, or
trading on the NYSE is restricted as directed by the SEC, (2) when an  emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Fund  to dispose of securities  owned by it or fairly  to determine the value of
its assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It is possible  that conditions  may arise  in the  future which  would, in  the
opinion  of the Company's Board of Trustees, make it undesirable for the Fund to
pay for all redemptions in cash. In such cases, the Board may authorize  payment
to  be made  in portfolio  securities or other  property of  the Fund, so-called
"redemptions in kind." Payment  of redemptions in kind  will be made in  readily
marketed  securities. Such securities would be valued at the same value assigned
to them in computing the net asset value per share. Shareholders receiving  such
securities  would  incur  brokerage  costs in  selling  any  such  securities so
received. However, despite the foregoing, the Company has filed with the SEC  an
election  pursuant to Rule  18f-1 under the  1940 Act. This  means that the Fund
will pay in cash all requests for redemption made by any shareholder of  record,
limited  in amount with respect to each shareholder during any ninety-day period
to the lesser  of $250,000  or 1%  of the net  asset value  of the  Fund at  the
beginning  of such  period. This  election will be  irrevocable so  long as Rule
18f-1 remains in effect,  unless the SEC by  order upon application permits  the
withdrawal of such election.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To  continue to qualify for treatment  as a regulated investment company ("RIC")
under the Internal Revenue Code of 1986, as amended (the "Code"), the Fund  must
distribute  to  its shareholders  for  each taxable  year  at least  90%  of its
investment company  taxable  income  (consisting  generally  of  net  investment
income,  net short-term capital gain and net gains from certain foreign currency
transactions) ("Distribution  Requirement")  and must  meet  several  additional
requirements. These requirements include the following: (1) the Fund must derive
at  least 90% of  its gross income  each taxable year  from dividends, interest,
payments with  respect to  securities loans  and gains  from the  sale or  other
disposition  of  securities or  foreign currencies,  or other  income (including
gains from options, Futures  or Forward Contracts) derived  with respect to  its
business  of investing in securities or those currencies ("Income Requirement");
(2) at the close of each quarter of the Fund's taxable year, at least 50% of the
value of its  total assets  must be  represented by  cash and  cash items,  U.S.
government securities, securities of other RICs and other securities, with these
other  securities limited, in respect of any  one issuer, to an amount that does
not exceed  5% of  the  value of  the  Fund's total  assets  and that  does  not
represent  more than 10% of the  issuer's outstanding voting securities; and (3)
at the close of each  quarter of the Fund's taxable  year, not more than 25%  of
the  value of its  total assets may  be invested in  securities (other than U.S.
government securities or the securities of other RICs) of any one issuer.
 
Dividends and  other distributions  declared  by the  Fund  in, and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion of  the dividends from  the Fund's investment  company taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be aware that if shares are purchased shortly before the record date
for any dividend or other distribution, the shareholder will pay full price  for
the shares and receive some portion of the price back as a taxable distribution.
 
The  Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year substantially  all
of  its  ordinary income  for  that year  and capital  gain  net income  for the
one-year period ending on October 31 of that year, plus certain other amounts.
 
FOREIGN TAXES
Dividends and interest received by the Fund, and gains realized thereby, may  be
subject  to income, withholding, or other taxes imposed by foreign countries and
U.S. possessions  ("foreign taxes")  that would  reduce the  yield and/or  total
return  on its  securities. Tax  conventions between  certain countries  and the
United States may reduce or eliminate  foreign taxes, however, and many  foreign
countries  do not  impose taxes  on capital gains  in respect  of investments by
foreign investors. If more than 50% of  the value of the Fund's total assets  at
the  close of its  taxable year consists of  securities of foreign corporations,
the Fund  will be  eligible to,  and may,  file an  election with  the  Internal
Revenue  Service that  will enable its  shareholders, in effect,  to receive the
benefit of the foreign tax credit with respect to any foreign taxes paid by  it.
Pursuant  to the election, the Fund would treat those taxes as dividends paid to
its shareholders and each shareholder would be required to (1) include in  gross
income,  and treat as paid by him, his share of those taxes, (2) treat his share
of those taxes and of any dividend paid by the Fund that represents income  from
foreign  and U.S. possessions sources as his  own income from those sources, and
(3) either deduct the taxes deemed paid  by him in computing his taxable  income
or,  alternatively, use the foregoing information in calculating the foreign tax
credit against his federal income tax. The Fund will report to its  shareholders
shortly  after each taxable  year their respective shares  of the Fund's foreign
taxes and income from sources within  foreign countries and U.S. possessions  if
it makes this election. Pursuant to the Taxpayer Relief Act of 1997 ("Tax Act"),
individuals who have no more than $300 ($600 for married persons filing jointly)
of  creditable foreign  taxes included  on Form  1099 and  all of  whose foreign
source  income  is  "qualified  passive  income"  may  elect  each  year  to  be
 
                  Statement of Additional Information Page 28
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
exempt  from the extremely complicated foreign tax credit limitation and will be
able to claim a foreign tax credit without having to file the detailed Form 1116
that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The Fund  may invest  in the  stock of  "passive foreign  investment  companies"
("PFICs").  A PFIC is a foreign corporation  -- other than a "controlled foreign
corporation" (I.E.,  a foreign  corporation  in which,  on  any day  during  its
taxable  year,  more than  50% of  the total  voting power  of all  voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Fund is a U.S.  shareholder (effective for its taxable year  beginning
November  1, 1998) --  in general, meets  either of the  following tests: (1) at
least 75% of its gross income  is passive or (2) an  average of at least 50%  of
its  assets produce, or  are held for  the production of,  passive income. Under
certain circumstances,  the Fund  will be  subject to  federal income  tax on  a
portion  of  any "excess  distribution" received  on,  or of  any gain  from the
disposition of,  stock of  a PFIC  (collectively "PFIC  income"), plus  interest
thereon,  even if the Fund distributes the  PFIC income as a taxable dividend to
its shareholders. The balance of the PFIC income will be included in the  Fund's
investment  company taxable income and, accordingly,  will not be taxable to the
Fund to the extent it distributes that income to its shareholders.
 
If the Fund  invests in  a PFIC and  elects to  treat the PFIC  as a  "qualified
electing  fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and interest
obligation, the Fund would be  required to include in  income each year its  pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of  net long-term capital gain  over net short-term capital  loss) -- which most
likely would have  to be  distributed by the  Fund to  satisfy the  Distribution
Requirement and avoid imposition of the Excise-Tax -- even if those earnings and
gain  were not received by the  Fund from the QEF. In  most instances it will be
very difficult, if  not impossible,  to make  this election  because of  certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark  to market" its  stock in any PFIC.  "Marking-to-Market," in this context,
means including in ordinary income each taxable year the excess, if any, of  the
fair  market value of the stock over the Fund's adjusted basis therein as of the
end of that year.  Pursuant to the  election, the Fund also  will be allowed  to
deduct  (as an ordinary, not capital, loss)  the excess, if any, of its adjusted
basis in  PFIC stock  over  the fair  market value  thereof  as of  the  taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that  stock included in income  by the Fund for  prior taxable years. The Fund's
adjusted basis in each PFIC's stock subject to the election will be adjusted  to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations proposed in 1992  would provide a similar  election with respect  to
the stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends  paid by the Fund to a shareholder  who, as to the United States, is a
nonresident alien individual, nonresident alien fiduciary of a trust or  estate,
foreign  corporation  or foreign  partnership ("foreign  shareholder") generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder that is "effectively connected with  the conduct of a U.S. trade  or
business,"  in which case the  reporting and withholding requirements applicable
to domestic shareholders will apply. A  distribution of net capital gain by  the
Fund  to a foreign shareholder generally will  be subject to U.S. federal income
tax (at the rates  applicable to domestic persons)  only if the distribution  is
"effectively  connected" or  the foreign  shareholder is  treated as  a resident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options and Futures and entering into Forward Contracts, involves complex  rules
that  will determine, for federal income tax purposes, the amount, character and
timing of recognition of  the gains and losses  the Fund realizes in  connection
therewith.  Gains  from the  disposition of  foreign currencies  (except certain
gains that  may be  excluded by  future regulations),  and gains  from  options,
Futures  and Forward Contracts derived by the  Fund with respect to its business
of investing in  securities or  foreign currencies will  qualify as  permissible
income under the Income Requirement.
 
Futures  and Forward  Contracts that  are subject  to section  1256 of  the Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts")  and  that are  held by  the Fund  at  the end  of its  taxable year
generally will be deemed to  have been sold at  market value for federal  income
tax  purposes. Sixty percent of any net  gain or loss recognized on these deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256 Contracts,  will be  treated as  long-term capital  gain or  loss, and  the
balance  will be treated as  short-term capital gain or loss.  As of the date of
preparation of  this Statement  of Additional  Information, it  is not  entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net  capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the 15%
marginal tax bracket) for gain recognized  on capital assets held for more  than
18  months -- instead of  the 28% rate in  effect before that legislation, which
now applies to gain recognized on capital assets held for more than one year but
not more than 18
 
                  Statement of Additional Information Page 29
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
months, although  technical  corrections  legislation passed  by  the  House  of
Representatives late in 1997 would treat it as qualifying therefor.
 
Section  988 of the Code also may apply to gains and losses from transactions in
foreign currencies,  foreign-currency-denominated debt  securities and  options,
Futures  and Forward  Contracts on foreign  currencies ("Section  988" gains and
losses). Each Section  988 gain  or loss  generally is  computed separately  and
treated as ordinary income or loss. In the case of overlap between sections 1256
and  988, special provisions  determine the character and  timing of any income,
gain or loss. The Fund attempts to monitor section 988 transactions to  minimize
any adverse tax impact.
 
If  the Fund has  an "appreciated financial position"  -- generally, an interest
(including an interest through an option,  Futures or Forward Contract or  short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership  interest the fair market value  of which exceeds its adjusted basis
- -- and enters into  a "constructive sale" of  the same or substantially  similar
property,  the Fund will be treated as  having made an actual sale thereof, with
the result  that gain  will be  recognized  at that  time. A  constructive  sale
generally consists of a short sale, an offsetting notional principal contract or
Futures  or Forward Contract entered  into by the Fund  or a related person with
respect to  the same  or substantially  similar property.  In addition,  if  the
appreciated  financial  position is  itself  a short  sale  or such  a contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting the Fund and its  shareholders. Investors are urged to
consult their own tax advisers for more detailed information and for information
regarding any  foreign,  state  and  local  taxes  applicable  to  distributions
received from the Fund.
 
- --------------------------------------------------------------------------------
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
   
AIM  was organized in 1976, and along  with its subsidiaries, manages or advises
over 50 investment company portfolios  encompassing a broad range of  investment
objectives.  AIM is a direct, wholly owned  subsidiary of A I M Management Group
Inc. ("AIM  Management"),  a  holding  company that  has  been  engaged  in  the
financial  services  business since  1976. AIM  is the  sole shareholder  of the
Funds' principal underwriter,  AIM Distributors. AIM  Management is an  indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England.  AMVESCAP  PLC  and  its  subsidiaries  are  an  independent investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide  asset  management  affiliates   also  currently  include  GT   Asset
Management  Inc. in Toronto, Canada; GT Asset Management PLC in London, England;
GT Asset Management Ltd.  in Hong Kong;  GT Asset Management  Ltd. in Tokyo;  GT
Asset Management Pte. Ltd. in Singapore; GT Asset Management Ltd. in Sydney; and
GT Asset Management GmbH in Frankfurt.]
    
 
CUSTODIAN
State  Street  Bank and  Trust Company  ("State  Street"), 225  Franklin Street,
Boston, MA  02110, acts  as custodian  of  the Fund's  assets. State  Street  is
authorized  to  establish  and  has  established  separate  accounts  in foreign
currencies and to cause securities of the  Fund to be held in separate  accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The  Funds' independent accountants are                , One Post Office Square,
Boston, MA 02109.                   will  conduct an annual  audit of the  Fund,
assists  in the preparation of  the Fund's federal and  state income tax returns
and consults  with  the  Company and  the  Fund  as to  matters  of  accounting,
regulatory filings, and federal and state income taxation.
    
 
   
The  audited financial statements  of the Company included  in this Statement of
Additional Information have been examined by                      , as stated in
their opinion appearing herein  and are included in  reliance upon such  opinion
given upon the authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The  Sub-adviser  has granted  the Company  the right  to use  the "GT"  and "GT
Global" names and has reserved the right  to withdraw its consent to the use  of
such  names by the Company  and/or the Fund at  any time or to  grant the use of
such names to any other company.
    
 
                  Statement of Additional Information Page 30
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
   
STANDARDIZED RETURNS The Fund's  "Standardized Returns," as  referred to in  the
Prospectus   (see  "Other   Information  --  Performance   Information"  in  the
Prospectus), are calculated separately for Class  A and Advisor Class shares  of
the Fund, as follows: Standardized Return (average annual total return ("T")) is
computed  by using the ending redeeming  value ("ERV") of a hypothetical initial
investment of  $1,000  ("P") over  a  period of  years  ("n") according  to  the
following  formula as required by the SEC: P(1+T)  to the (n)th power = ERV. The
following assumptions will be reflected in computations made in accordance  with
this  formula: (1) for Class A shares,  deduction of the maximum sales charge of
4.75% from  the  $1,000  initial  investment;  (2)  for  Advisor  Class  shares,
deduction of a sales charge is not applicable; (3) reinvestment of dividends and
other  distributions at net  asset value on the  reinvestment date determined by
the Company's Board of Trustees; and (4) a complete redemption at the end of any
period illustrated.
    
 
The Standardized Return for the  Class A and Advisor  Class shares of the  Fund,
stated as average annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                 LATIN AMERICA
                                            LATIN AMERICA             FUND
PERIOD                                      FUND (CLASS A)      (ADVISOR CLASS)
- ----------------------------------------  ------------------   ------------------
<S>                                       <C>                  <C>
Fiscal year ended Oct. 31, 1997.........         3.37%                8.91%
Oct. 31, 1992 through Oct. 31, 1997.....         7.01%                 n/a
June 1, 1995 (commencement of
 operations) through Oct. 31, 1997......          n/a                 9.39%
Aug. 13, 1991 (commencement of
 operations) through Oct. 31, 1997......         7.23%                 n/a
</TABLE>
 
NON-STANDARDIZED  RETURNS In addition to Standardized Returns, the Fund also may
include in advertisements, sales literature and shareholder reports other  total
return  performance data ("Non-Standardized Return"). Non-Standardized Return is
calculated separately for each  Class shares of the  Fund and may be  calculated
according  to several different formulas. Non-Standardized Returns may be quoted
for the  same or  different  time periods  for  which Standardized  Returns  are
quoted. Non-Standardized Returns may or may not take sales charges into account;
performance  data calculated  without taking  the effect  of sales  charges into
account will be higher than data  including the effect of such charges.  Advisor
Class shares are not subject to sales charges.
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the  account  ("VOA")  of  a hypothetical  initial  investment  of  $1,000 ("P")
according to the  following formula: T  = (VOA/P)-1. Aggregate  Non-Standardized
Return assumes reinvestment of dividends and other distributions.
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class shares of the Fund, stated as aggregate  total
returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                 LATIN AMERICA
                                            LATIN AMERICA             FUND
PERIOD                                      FUND (CLASS A)      (ADVISOR CLASS)
- ----------------------------------------  ------------------   ------------------
<S>                                       <C>                  <C>
June 1, 1995 (commencement of
 operations) through Oct. 31, 1997......          n/a                24.25%
Aug. 13, 1991 (commencement of
 operations) through Oct. 31, 1997......        62.00%                 n/a
</TABLE>
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS.
   
The  Fund and AIM  Distributors may from  time to time  in advertisements, sales
literature and reports furnished to present or prospective shareholders  compare
the Fund with the following, among others:
    
 
        (1)  The Consumer Price Index ("CPI"), which is a measure of the average
    change in prices over time  in a fixed market  basket of goods and  services
    (e.g.,  food, clothing,  shelter, fuels,  transportation fares,  charges for
    doctors' and dentists' services, prescription medicines, and other goods and
    services that people  buy for  day-to-day living). There  is inflation  risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2)  Data  and  mutual fund  rankings  published or  prepared  by Lipper
    Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger  Investment
    Company  Service  ("CDA/Wiesenberger"),  Morningstar,  Inc. ("Morningstar"),
    Micropal, Inc. and/or other companies that rank and/or compare mutual  funds
    by  overall  performance,  investment  objectives,  assets,  expense levels,
    periods of existence and/or  other factors. In this  regard the Fund may  be
    compared
 
                  Statement of Additional Information Page 31
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
    to  its  "peer group"  as defined  by Lipper,  CDA/Wiesenberger, Morningstar
    and/or other firms as  applicable, or to specific  funds or groups of  funds
    within  or outside of such  peer group. Lipper generally  ranks funds on the
    basis of total return, assuming reinvestment of distributions, but does  not
    take  sales charges or  redemption fees into  consideration, and is prepared
    without regard to tax consequences. In addition to the mutual fund rankings,
    the Fund's performance may  be compared to  mutual fund performance  indices
    prepared  by Lipper. Morningstar  is a mutual fund  rating service that also
    rates mutual funds  on the basis  of risk-adjusted performance.  Morningstar
    ratings are calculated from a fund's three, five and ten year average annual
    returns  with appropriate  fee adjustments and  a risk  factor that reflects
    fund performance  relative to  the three-month  U.S. Treasury  bill  monthly
    returns.  Ten percent  of the funds  in an investment  category receive five
    stars and 22.5% receive four stars.  The ratings are subject to change  each
    month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    price of 500 of the largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley Capital  International Latin America Emerging  Market
    Indices,  including the Morgan  Stanley Emerging Markets  Free Latin America
    Index (which excludes Mexican banks and securities companies which cannot be
    purchased by  foreigners) and  the Morgan  Stanley Emerging  Markets  Global
    Latin  America Index. Both indices include  60% of the market capitalization
    of the following countries: Argentina, Brazil, Chile and Mexico. The indices
    are weighted by market capitalization  and are calculated without  dividends
    reinvested.
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S. are  each a widely used index  composed
    of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE") which provides brief reports on most of the World Bank's  borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunications companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval  service  for information,  including international  financial and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
       (17)  Various publications produced  by ratings agencies  such as Moody's
    Investors Services, Inc. ("Moody's"), Standard  & Poor's, a division of  The
    McGraw-Hill Companies, ("S&P") and Fitch.
 
       (18)  Wilshire Associates which is  an on-line database for international
    financial and economic data including performance measure for a wider  range
    of securities.
 
       (19)  Bank Rate National Monitor Index, which is an average of the quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
       (20) International Financial Corporation ("IFC") Latin American  Indices,
    which  include 60% of the market capitalization in the covered countries and
    are  market  weighted.  One  index  includes  dividends  and  one   excludes
    dividends.
 
                  Statement of Additional Information Page 32
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various financial organizations such as Salomon Brothers, Inc., Lehman Brothers,
Merrill Lynch, Pierce, Fenner & Smith, Inc., Financial Research Corporation,  J.
P.  Morgan,  Morgan  Stanley,  Smith  Barney  Shearson,  S.G.  Warburg,  Jardine
Flemming, The  Bank  for  International  Settlements,  Asian  Development  Bank,
Bloomberg,  L.P. and  Ibbotson Associates,  may be  used as  well as information
reported by the  Federal Reserve  and the  respective Central  Banks of  various
nations. In addition, AIM Distributors may use performance rankings, ratings and
commentary  reported periodically in  national financial publications, including
Money Magazine, Mutual  Fund Magazine, Smart  Money, Global Finance,  EuroMoney,
Financial  World, Forbes, Fortune, Business Week, Latin Finance, The Wall Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's,  The  Financial Times,  USA  Today, The  New  York Times,  Far Eastern
Economic Review,  The Economist  and  Investors Business  Digest. The  Fund  may
compare  its performance  to that  of other  compilations indices  of comparable
quality to those listed above and other  indices that may be developed and  made
available in the future.
    
 
   
Information   relating  to   foreign  market   performance,  capitalization  and
diversification is based on sources believed  to be reliable but may be  subject
to  revision  and  has  not  been independently  verified  by  the  Fund  or AIM
Distributors. The  authors  and  publishers  of such  material  are  not  to  be
considered  as "experts" under the 1933 Act, on account of the inclusion of such
information herein.
    
 
A portion of the  performance figures for each  market includes the positive  or
negative effects of the currency exchange rates effective at December 31 of each
year  between the U.S. dollar and currency of the foreign market (e.g., Japanese
Yen, German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that  has
strengthened  or weakened against the U.S.  dollar will positively or negatively
affect the reported returns, as the case may be.
 
   
AIM Distributors  believes that  this  information may  be useful  to  investors
considering  whether and to  what extent to  diversify their investments through
the purchase of mutual funds investing in securities on a global basis. However,
this data is not a representation of the past performance of the Fund, nor is it
a prediction of such performance. The performance of the Funds will differ  from
the  historical performance of relevant indices. The performance of indices does
not take  expenses  into  account,  while  each  Fund  incurs  expenses  in  its
operations,  which will reduce performance. Each of these factors will cause the
performance of each Fund to differ from relevant indices.
    
 
   
From time to  time, the Fund  and AIM Distributors  may refer to  the number  of
shareholders  in the  Fund or  the aggregate  number of  shareholders in  all GT
Global Mutual Funds  or the  dollar amount of  Fund assets  under management  or
rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM  Distributors believes the  Fund is an  appropriate investment for long-term
investment  goals  including  funding   retirement,  paying  for  education   or
purchasing  a house. AIM  Distributors may provide  information designed to help
individuals understand  their investment  goals  and explore  various  financial
strategies.  For example,  AIM Distributors  may describe  general principles of
investing, such as  asset allocation,  diversification and  risk tolerance.  The
Fund  does not represent a complete investment program, and the investors should
consider the  Fund as  appropriate for  a portion  of their  overall  investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From  time to time, AIM Distributors may refer to or advertise the names of U.S.
and non-U.S. companies and  their products, although there  can be no  assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets  is based  on  the returns  of  different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to  demonstrate  general  risk-versus-reward  investment  scenarios. Performance
comparisons may also include  the value of a  hypothetical investment in any  of
these  capital  markets. The  risks associated  with the  security types  in any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Fund.
 
                  Statement of Additional Information Page 33
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
The Fund may quote various measures of volatility and benchmark correlation such
as beta, standard deviation and R(2)  in advertising. In addition, the Fund  may
compare  these measures to those of other  funds. Measures of volatility seek to
compare the Fund's historical share price fluctuations to those of a benchmark.
 
The Fund may  advertise examples of  the effects of  periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low.  While such a strategy does not assure  a profit or guard against loss in a
declining market, the  investor's average cost  per share can  be lower than  if
fixed  numbers of shares are purchased at the same intervals. In evaluating such
a plan, investors should  consider their ability  to continue purchasing  shares
through periods of low price levels.
 
The  Fund may describe in its sales  material and advertisements how an investor
may invest in GT Global Mutual  Funds through various retirement plans or  other
programs that offer deferral of income taxes on investment earnings and pursuant
to  which  an  investor  may make  deductible  contributions.  Because  of their
advantages, these retirement plans and programs may produce returns superior  to
comparable non-retirement investments. For example, a $10,000 investment earning
a  taxable return of 10% annually would have an after-tax value of $17,976 after
ten years, assuming tax was deducted from the return each year at a 39.6%  rate.
An  equivalent tax-deferred investment would have  an after-tax value of $19,626
after ten years, assuming  tax was deducted  at a 39.6%  rate from the  deferred
earnings   at  the   end  of  the   ten-year  period.  In   sales  material  and
advertisements, the  Fund  may  also  discuss  these  plans  and  programs.  See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM  Distributors may  from time  to time in  its sales  methods and advertising
discuss the risks inherent in investing. The major types of investment risk  are
market  risk, industry risk, credit risk, interest rate risk, liquidity risk and
inflation risk. Risk represents the possibility that you may lose some or all of
your investment over a period of time. A basic tenet of investing is the greater
the potential reward, the greater the risk.
    
 
   
From time  to  time,  the  Fund and  AIM  Distributors  will  quote  information
regarding  industries,  individual  companies, countries,  regions,  world stock
exchanges, and economic and demographic statistics from sources AIM Distributors
deems  reliable,  including  the  economic  and  financial  data  of   financial
organizations, such as:
    
 
 (1) Stock  market  capitalization: Morgan  Stanley Capital  International World
     Indices, IFC and Datastream.
 
 (2) Stock market trading volume: Morgan Stanley Capital International  Industry
     Indices, and IFC.
 
 (3) The  number of listed  companies: IFC, G.T. Guide  to World Equity Markets,
     Salomon Brothers, Inc., and S.G. Warburg.
 
 (4) Wage rates: U.S. Department of Labor Statistics and Morgan Stanley  Capital
     International World Indices.
 
 (5) International  industry performance:  Morgan Stanley  Capital International
     World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 (6) Stock  market  performance:  Morgan  Stanley  Capital  International  World
     Indices, IFC and Datastream.
 
 (7) The Consumer Price Index and inflation rate: The World Bank, Datastream and
     IFC.
 
 (8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 (9) GDP growth rate: IFC, The World Bank and Datastream.
 
(10) Population: The World Bank, Datastream and United Nations.
 
(11) Average  annual growth rate  (%) of population:  The World Bank, Datastream
     and United Nations.
 
(12) Age distribution within populations: OECD and United Nations.
 
(13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
(14) Top three companies  by country,  industry or  market: IFC,  G.T. Guide  to
     World Equity Markets, Salomon Brothers Inc., and S.G. Warburg.
 
(15) Foreign  direct  investments to  developing countries:  The World  Bank and
     Datastream.
 
(16) Supply, consumption,  demand  and growth  in  demand of  certain  products,
     services and industries, including, but not limited to, electricity, water,
     transportation,  construction  materials,  natural  resources,  technology,
     other basic infrastructure,  financial services, health  care services  and
     supplies,  consumer products and  services and telecommunications equipment
     and services (sources  of such information  may include, but  would not  be
     limited to, The World Bank, OECD, IMF, Bloomberg and Datastream).
 
(17) Standard deviation and performance returns for U.S. and non-U.S. equity and
     bond markets: Morgan Stanley Capital International.
 
   
(18) Countries  restructuring their debt, including  those under the Brady Plan:
     the Sub-adviser.
    
 
                  Statement of Additional Information Page 34
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
(19) Political and economic structure of countries: Economist Intelligence Unit.
 
(20) Government and corporate  bonds --  credit ratings, yield  to maturity  and
     performance returns: Salomon Brothers, Inc.
 
(21) Dividends yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time to time, AIM Distributors may include in its advertisements and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
   
In  advertising and sales  materials, AIM Distributors may  make reference to or
discuss its products, services and accomplishments. Among these  accomplishments
are  that in 1983 the Sub-adviser provided  assistance to the government of Hong
Kong in  linking its  currency to  the U.S.  dollar, and  that in  1987  Japan's
Ministry  of  Finance licensed  GT Asset  Management  Ltd. as  one of  the first
foreign  discretionary  investment   managers  for   Japanese  investors.   Such
accomplishments,  however,  should  not  be  viewed  as  an  endorsement  of the
Sub-adviser by the government of Hong  Kong, Japan's Ministry of Finance or  any
other  government or government  agency. Nor do any  such accomplishments of the
Sub-adviser provide any assurance  that the GT  Global Mutual Funds'  investment
objectives will be achieved.
    
 
   
[GT GLOBAL ADVANTAGE
    
As  part of Liechtenstein Global Trust,  GT Global continues a 75-year tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine  offices  worldwide,  we  witness world  events  and  economic developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The key to achieving  consistent results is  following a disciplined  investment
process.  Our  approach  to  asset allocation  takes  advantage  of  GT Global's
worldwide  presence  and  global  perspective.  Our  "macroeconomic"   worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up  process  of  security selection  combines  fundamental  research with
quantitative analysis through our proprietary models.
 
Built-in checks  and balances  strengthen  the process,  enhancing  professional
experience  and judgment with an objective  assessment of risk. Ultimately, each
security we select has  passed a ranking system  that helps our portfolio  teams
determine  when to buy and when to sell.  With respect to stocks, a global stock
research ("GSR") database developed  by GT Global is  utilized in the  selection
process.  All stocks  within the GSR  database are systematically  ranked by our
analysts on a  1-5 basis  with 1 representing  the most  favored. The  rankings,
along  with our quantitative,  fundamental research, determine  which stocks are
bought and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
                  Statement of Additional Information Page 35
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING:
Where no  rating has  been assigned  or where  a rating  has been  suspended  or
withdrawn, it may be for reasons unrelated to the quality of the issue.
 
Should no rating be assigned, the reason may be one of the following:
 
    1. An application for rating was not received or accepted.
 
    2. The  issue or issuer belongs  to a group of  securities or companies that
       are not rated as a matter of policy.
 
    3. There is a lack of essential data pertaining to the issue or issuer.
 
    4. The issue was privately placed, in which case the rating is not published
       in Moody's publications.
 
Suspension or withdrawal may occur if new and material circumstances arise,  the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable  up-to-date data  to permit  a judgment  to be  formed; if  a bond is
called for redemption; or for other reasons.
 
                  Statement of Additional Information Page 36
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
Note: Moody's applies  numerical modifiers, 1,  2 and 3  in each generic  rating
classification  from Aa to Caa. The modifier  1 indicates that the Company ranks
in the higher end  of its generic  rating category; the  modifier 2 indicates  a
mid-range  ranking; and the modifier  3 indicates that the  Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a  division of The  McGraw-Hill Companies, Inc.  ("S&P"),
rates  the securities debt of various  entities in categories ranging from "AAA"
to "D"  according  to quality.  Investment  grade  ratings are  the  first  four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient information on which to base a rating, or that S&P does not rate  a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates  of return on  funds employed; conservative  capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in  earnings
coverage  of  fixed financial  charges and  high  internal cash  generation; and
well-established access to a range of  financial markets and assured sources  of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior  short-term debt obligations. This normally  will be evidenced by many of
the characteristics cited  above but  to a  lesser degree.  Earnings trends  and
coverage  ratios, while sound, may be  more subject to variation. Capitalization
characteristics, while  still  appropriate, may  be  more affected  by  external
conditions. Ample alternate liquidity is maintained.
 
                  Statement of Additional Information Page 37
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
    S&P  ratings of commercial paper are  graded into several categories ranging
from "A1" for the highest quality obligations  to "D" for the lowest. Issues  in
the  "A"  category are  delineated  with numbers,  1, 2  and  3 to  indicate the
relative degree  of safety.  A-1 --  This highest  category indicates  that  the
degree  of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation.  A-2  -- Capacity  for  timely  payments on  issues  with  this
designation  is satisfactory; however,  the relative degree of  safety is not as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
   
To be filed.
    
 
                  Statement of Additional Information Page 38
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                      GT GLOBAL LATIN AMERICA GROWTH FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580].
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity for U.S. investors by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on large cap equity securities of U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns high monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in a portfolio of emerging market debt securities
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT  BE RELIED UPON AS  HAVING BEEN AUTHORIZED BY  GT
  GLOBAL  LATIN AMERICA  GROWTH FUND, G.T.  INVESTMENT FUNDS, A  I M ADVISORS,
  INC., [CHANCELLOR LGT ASSET  MANAGEMENT, INC.] OR A  I M DISTRIBUTORS,  INC.
  THIS  STATEMENT OF  ADDITIONAL INFORMATION DOES  NOT CONSTITUTE  AN OFFER TO
  SELL OR  SOLICITATION OF  ANY OFFER  TO BUY  ANY OF  THE SECURITIES  OFFERED
  HEREBY IN ANY JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH
  OFFER IN SUCH JURISDICTION.
    
 
                                                                      LATSX703MC
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND:
                                 ADVISOR CLASS
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
    
 
   
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  Statement of Additional Information relates to the Advisor Class shares of
the GT Global Emerging Markets Fund  ("Fund"). The Fund is a diversified  series
of  G.T.  Investment Funds  (the  "Company"), a  registered  open-end management
investment company. This  Statement of  Additional Information, which  is not  a
prospectus,  supplements  and  should be  read  in conjunction  with  the Fund's
current Advisor  Class Prospectus  dated June  1,  1998. A  copy of  the  Fund's
Prospectus  is available without  charge by writing  to the above  address or by
calling the Fund at the toll-free telephone number listed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator   for,   and  [Chancellor   LGT   Asset  Management,   Inc.]  (the
"Sub-adviser") serves as the  investment sub-adviser and sub-administrator  for,
the Fund. The distributor of the Fund's shares is A I M Distributors, Inc. ("AIM
Distributors").  The Fund's transfer agent is  GT Global Investor Services, Inc.
("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objective and Policies........................................................................................      2
Options, Futures and Currency Strategies.................................................................................      6
Risk Factors.............................................................................................................     14
Investment Limitations...................................................................................................     19
Execution of Portfolio Transactions......................................................................................     20
Trustees and Executive Officers..........................................................................................     22
Management...............................................................................................................     24
Valuation of Fund Shares.................................................................................................     25
Information Relating to Sales and Redemptions............................................................................     26
Taxes....................................................................................................................     28
Additional Information...................................................................................................     30
Investment Results.......................................................................................................     31
Description of Debt Ratings..............................................................................................     36
Financial Statements.....................................................................................................     38
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                              INVESTMENT OBJECTIVE
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVE
The  investment objective of the  Fund is long-term growth  of capital. The Fund
seeks this objective by investing, under  normal circumstances, at least 65%  of
its total assets in equity securities of companies in emerging markets. The Fund
does  not consider  the following countries  to be  emerging markets: Australia,
Austria, Belgium, Canada, Denmark,  England, Finland, France, Germany,  Ireland,
Italy,  Japan, the Netherlands, New  Zealand, Norway, Spain, Sweden, Switzerland
and United States. The  Fund normally may invest  up to 35% of  its assets in  a
combination  of  (i)  debt  securities of  government  or  corporate  issuers in
emerging markets;  (ii)  equity and  debt  securities of  issuers  in  developed
countries,  including the United States; (iii) securities of issuers in emerging
markets not included in  the list of  emerging markets set  forth in the  Fund's
current   Prospectus,  if  investing  therein  becomes  feasible  and  desirable
subsequent to the date of the Fund's current Prospectus; and (iv) cash and money
market instruments.
 
   
In determining what countries constitute emerging markets, the Sub-adviser  will
consider,  among other things,  data, analysis, and  classification of countries
published or  disseminated  by the  International  Bank for  Reconstruction  and
Development  (commonly known  as the World  Bank) and  the International Finance
Corporation.
    
 
SELECTION OF EQUITY INVESTMENTS
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries  and  geographic  regions  for the  Fund,  the  Sub-adviser ordinarily
considers the following factors: prospects for relative economic growth  between
the  different  countries  in which  the  Fund  may invest;  expected  levels of
inflation; government policies influencing business conditions; the outlook  for
currency relationships; and the range of the individual investment opportunities
available to international investors.
    
 
   
In  analyzing  companies in  emerging markets  for investment  by the  Fund, the
Sub-adviser ordinarily looks for one  or more of the following  characteristics:
an  above-average earnings  growth per share;  high return  on invested capital;
healthy balance  sheet;  sound financial  and  accounting policies  and  overall
financial  strength;  strong  competitive  advantages;  effective  research  and
product development  and  marketing;  efficient  service;  pricing  flexibility;
strength  of management; and general operating characteristics which will enable
the companies  to  compete successfully  in  their respective  marketplaces.  In
certain countries, governmental restrictions and other limitations on investment
may  affect the maximum percentage of equity ownership in any one company by the
Fund. In addition, in some instances  only special classes of securities may  be
purchased by foreigners and the market prices, liquidity and rights with respect
to those securities may vary from shares owned by nationals.
    
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
The Fund may be prohibited under the Investment Company Act of 1940, as  amended
("1940  Act") from purchasing the securities of any foreign company that, in its
most recent  fiscal year,  derived more  than  15% of  its gross  revenues  from
securities-related  activities ("securities-related companies").  In a number of
countries,  commercial  banks  act  as  securities  broker/dealers,   investment
advisers  and underwriters or otherwise engage in securities-related activities,
which may limit the Fund's ability to hold securities issued by banks. The  Fund
has obtained an exemption from the Securities and Exchange Commission ("SEC") to
permit  it  to  invest  in  certain  of  these  securities  subject  to  certain
restrictions.
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
With respect to certain countries investments by the Fund presently may be  made
only  by acquiring  shares of  other investment  companies (including investment
vehicles or companies advised by the Sub-adviser or its affiliates  ("Affiliated
Funds")) with local governmental approval to invest in those countries. The Fund
may  invest  in the  securities of  closed-end  investment companies  within the
limits of the 1940 Act. These  limitations currently provide, in part, that  the
Fund  may purchase shares of  a closed-end investment company  unless (a) such a
purchase would cause the Fund to own in the
    
 
                   Statement of Additional Information Page 2
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
   
aggregate more  than 3  percent of  the total  outstanding voting  stock of  the
investment company or (b) such a purchase would cause the Fund to have more than
5 percent of its total assets invested in the investment company or more than 10
percent  of its total  assets invested in  the aggregate in  all such investment
companies. Investment in such  investment companies may  involve the payment  of
substantial  premiums above the  value of such  companies' portfolio securities.
The Fund does not intend to invest in such funds unless, in the judgment of  the
Sub-adviser,  the potential benefits of such  investments justify the payment of
any applicable  premiums. The  return  on such  securities  will be  reduced  by
operating  expenses  of  such  companies including  payments  to  the investment
managers  of  those  investment  companies.  With  respect  to  investments   in
Affiliated  Funds, the  Sub-adviser waives its  advisory fee to  the extent that
such fees are based on assets of the Fund invested in Affiliated Funds. At  such
time  as direct investment  in these countries is  allowed, the Fund anticipates
investing directly in these markets.
    
 
SAMURAI AND YANKEE BONDS
Subject to  its fundamental  investment  restrictions, the  Fund may  invest  in
yen-denominated  bonds sold in Japan  by non-Japanese issuers ("Samurai bonds"),
and may invest in dollar-denominated bonds sold in the United States by non-U.S.
issuers ("Yankee bonds"). As  compared with bonds issued  in their countries  of
domicile,  such bond issues normally  carry a higher interest  rate but are less
actively traded. It is  the policy of  the Fund to invest  in Samurai or  Yankee
bond  issues  only  after  taking into  account  considerations  of  quality and
liquidity, as well as  yield. These bonds would  be issued by governments  which
are members of the Organization for Economic Cooperation and Development or have
AAA ratings.
 
DEPOSITORY RECEIPTS
The  Fund  may  hold securities  of  foreign  issuers in  the  form  of American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs"), or other
securities  convertible  into  securities  of  eligible  foreign  issuers. These
securities may  not necessarily  be  denominated in  the  same currency  as  the
securities  for which they may be exchanged.  ADRs and ADSs typically are issued
by an  American bank  or  trust company  and  evidence ownership  of  underlying
securities  issued by a foreign corporation.  EDRs, which are sometimes referred
to as Continental Depository Receipts  ("CDRs"), are issued in Europe  typically
by foreign banks and trust companies and evidence ownership of either foreign or
domestic  securities.  GDRs are  similar to  EDRs  and are  designed for  use in
several international financial markets. Generally, ADRs and ADSs in  registered
form are designed for use in United States securities markets and EDRs in bearer
form  are designed for use  in European securities markets.  For purposes of the
Fund's investment policies, the Fund's investments in ADRs, ADSs, GDRs and  EDRs
will  be  deemed  to  be  investments  in  the  equity  securities  representing
securities of foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally  the same manner as unsponsored  facilities,
except  that  the  issuer of  the  deposited  securities enters  into  a deposit
agreement with the  depository. The deposit  agreement sets out  the rights  and
responsibilities  of  the  issuer,  the depository  and  the  ADR  holders. With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository), although ADR holders continue to bear certain other costs (such  as
deposit  and withdrawal fees).  Under the terms  of most sponsored arrangements,
depositories agree  to distribute  notices of  shareholder meetings  and  voting
instructions, and to provide shareholder communications and other information to
the  ADR holders at the  request of the issuer  of the deposited securities. The
Fund may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants or  rights  may  be acquired  by  the  Fund in  connection  with  other
securities  or separately and provide  the Fund with the  right to purchase at a
later date other securities of the issuer.
 
COMMERCIAL BANK OBLIGATIONS
For the  purposes  of  the  Fund's investment  policies  with  respect  to  bank
obligations,  obligations of foreign branches of U.S. banks and of foreign banks
are obligations of the issuing bank and may be general obligations of the parent
bank. Such  obligations, however,  may be  limited by  the terms  of a  specific
obligation and by government regulation. As with
 
                   Statement of Additional Information Page 3
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
investment  in non-U.S. securities in general, investments in the obligations of
foreign branches of  U.S. banks and  of foreign  banks may subject  the Fund  to
investment  risks that are different in  some respects from those of investments
in obligations of  domestic issuers.  Although the Fund  typically will  acquire
obligations  issued and supported by the credit  of U.S. or foreign banks having
total assets at the time  of purchase in excess of  $1 billion, this $1  billion
figure  is not a fundamental  investment policy or restriction  of the Fund. For
the purposes of calculation with respect to the $1 billion figure, the assets of
a bank will be deemed to include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A repurchase agreement is a transaction  in which the Fund purchases a  security
from a bank or recognized securities dealer and simultaneously commits to resell
that  security to the bank  or dealer at an agreed  upon price, date, and market
rate of  interest unrelated  to the  coupon rate  or maturity  of the  purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to  the repurchase  agreement becomes bankrupt,  the Fund intends  to enter into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present minimal credit risks  in accordance with  guidelines established by  the
Company's   Board  of  Trustees.  The   Sub-adviser  reviews  and  monitors  the
creditworthiness of such institutions under the Board's general supervision.
    
 
The Fund will invest only in  repurchase agreements collateralized at all  times
in  an amount at least  equal to the repurchase  price plus accrued interest. To
the extent that the proceeds from any sale of such collateral upon a default  in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer  a loss. If  the financial institution  which is party  to the repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other liquidation proceedings, there may  be restrictions on the Fund's  ability
to  sell the collateral and the Fund  could suffer a loss. However, with respect
to financial  institutions  whose  bankruptcy  or  liquidation  proceedings  are
subject  to the U.S. Bankruptcy Code, the Fund intends to comply with provisions
under the U.S.  Bankruptcy Code that  would allow it  immediately to resell  the
collateral.  There is no limitation on the  amount of the Fund's assets that may
be subject to repurchase agreements at any  given time. The Fund will not  enter
into  a repurchase agreement  with a maturity of  more than seven  days if, as a
result, more than 15% of the value of  its net assets would be invested in  such
repurchase agreements and other illiquid investments.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
The  Fund's borrowings will not exceed 33 1/3% of the Fund's total assets, i.e.,
the Fund's total assets at all times will  equal at least 300% of the amount  of
outstanding  borrowings.  If  market fluctuations  in  the value  of  the Fund's
portfolio holdings or other factors cause  the ratio of the Fund's total  assets
to  outstanding borrowings to fall below 300%,  the Fund may be required to sell
portfolio securities  to  restore  300%  asset coverage,  even  though  from  an
investment  standpoint such  sales might be  disadvantageous. The  Fund also may
borrow up to 5% of  its total assets for  temporary or emergency purposes  other
than  to  meet  redemptions.  Any  borrowing  by  the  Fund  may  cause  greater
fluctuation in the value of  its shares than would be  the case if the Fund  did
not borrow.
 
   
The  Fund's fundamental investment  limitations permit the  Fund to borrow money
for leveraging purposes. The Fund, however, currently is prohibited, pursuant to
a non-fundamental  investment policy,  from purchasing  securities during  times
when  outstanding borrowings represent more than 5% of its assets. Nevertheless,
this policy may be changed in the future by vote of a majority of the  Company's
Board  of Trustees.  If the  Fund employs  leverage in  the future,  it would be
subject to certain additional risks. Use of leverage creates an opportunity  for
greater growth of capital but would exaggerate any increases or decreases in the
Fund's  net asset value. When the income  and gains on securities purchased with
the proceeds  of borrowings  exceed the  costs of  such borrowings,  the  Fund's
earnings  or net asset  value will increase  faster than otherwise  would be the
case; conversely, if such income and gains fail to exceed such costs, the Fund's
earnings or net  asset value would  decline faster than  would otherwise be  the
case.
    
 
The  Fund may  enter into  reverse repurchase  agreements. A  reverse repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security to another party, such as a  bank or broker/dealer in return for  cash,
and  agrees to repurchase  the security in  the future at  an agreed upon price,
which includes  an  interest component.  The  Fund  also may  engage  in  "roll"
borrowing  transactions  which involve  the Fund's  sale of  Government National
Mortgage Association certificates or other securities together with a commitment
(for which the Fund may receive a  fee) to purchase similar, but not  identical,
securities at a future date. The Fund will maintain in a segregated account with
a custodian cash or other liquid securities in an amount sufficient to cover its
obligations  under "roll"  transactions and  reverse repurchase  agreements with
broker/dealers. No  segregation is  required for  reverse repurchase  agreements
with banks.
 
                   Statement of Additional Information Page 4
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
LENDING OF PORTFOLIO SECURITIES
   
For  the purpose of realizing additional income, the Fund may make secured loans
of portfolio securities  amounting to  not more than  30% of  its total  assets.
Securities  loans are made to broker/dealers or institutional investors pursuant
to agreements requiring that the loans continuously be secured by collateral  at
least  equal at all times  to the value of the  securities lent plus any accrued
interest, "marked  to market"  on a  daily basis.  The Fund  may pay  reasonable
administrative  and custodial fees  in connection with  loans of its securities.
While the securities loan is outstanding, the Fund will continue to receive  the
equivalent of the interest or dividends paid by the issuer on the securities, as
well as interest on the investment of the collateral or a fee from the borrower.
The  Fund has  a right to  call each loan  and obtain the  securities within the
stated settlement  period. The  Fund will  not  have the  right to  vote  equity
securities while they are being lent, but it will call in a loan in anticipation
of  any  important  vote.  Loans  only  will be  made  to  firms  deemed  by the
Sub-adviser to be of good standing and will not be made unless, in the  judgment
of the Sub-adviser, the consideration to be earned from such loans would justify
the risk.
    
 
SHORT SALES
The  Fund  may  make short  sales  of  securities, although  it  has  no current
intention of doing so. A short sale is  a transaction in which the Fund sells  a
security  in anticipation that  the market price of  that security will decline.
The Fund may  make short  sales (i)  as a form  of hedging  to offset  potential
declines  in long positions in securities it owns, or anticipates acquiring, and
(ii) in order to maintain portfolio flexibility.
 
When the Fund makes a short sale of  a security it does not own, it must  borrow
the   security  sold  short  and  deliver  it  to  the  broker/dealer  or  other
intermediary through which it made  the short sale. The Fund  may have to pay  a
fee  to borrow particular securities and will often be obligated to pay over any
payments received on such borrowed securities.
 
The Fund's obligation  to replace the  borrowed security when  the borrowing  is
called or expires will be secured by collateral deposited with the intermediary.
The  Fund also will be required to  deposit collateral with its custodian to the
extent, if any, necessary so that the  value of both collateral deposits in  the
aggregate  is at all times equal to at least 100% of the current market value of
the security sold short.  Depending on arrangements  made with the  intermediary
from which it borrowed the security regarding payment of any amounts received by
the  Fund on  such security,  the Fund may  not receive  any payments (including
interest) on its collateral deposited with such intermediary.
 
If the price of the security sold short increases between the time of the  short
sale and the time the Fund replaces the borrowed security, the Fund will incur a
loss;  conversely, if the price declines, the Fund will realize a gain. Any gain
will be decreased, and any loss  increased, by the transaction costs  associated
with  the transaction. Although the Fund's gain is limited by the price at which
it sold the security short, its potential loss theoretically is unlimited.
 
The Fund will not make  a short sale if, after  giving effect to such sale,  the
market  value of the securities sold short exceeds 25% of the value of its total
assets or the Fund's aggregate short sales  of the securities of any one  issuer
exceed  the lesser of 2% of the Fund's net assets or 2% of the securities of any
class of the  issuer. Moreover, the  Fund may  engage in short  sales only  with
respect  to securities  listed on a  national securities exchange.  The Fund may
make short sales "against the box" without respect to such limitations. In  this
type  of short sale, at the  time of the sale the  Fund owns the security it has
sold short  or  has the  immediate  and unconditional  right  to acquire  at  no
additional cost the identical security.
 
TEMPORARY DEFENSIVE STRATEGIES
The  Emerging Markets  Fund may  invest in the  following types  of money market
instruments (i.e., debt  instruments with  less than 12  months remaining  until
maturity)  denominated  in U.S.  dollars  or other  currencies:  (a) obligations
issued or  guaranteed  by  the  U.S. or  foreign  governments,  their  agencies,
instrumentalities   or   municipalities;   (b)   obligations   of  international
organizations designed or supported by multiple foreign governmental entities to
promote economic reconstruction or development; (c) finance company obligations,
corporate commercial paper and other short-term commercial obligations; (d) bank
obligations (including certificates of  deposit, time deposits, demand  deposits
and  bankers'  acceptances);  (e)  repurchase  agreements  with  respect  to the
foregoing; and (f) other substantially  similar short-term debt securities  with
comparable characteristics.
 
   
The  Emerging Markets Fund may invest in commercial paper rated as low as A-3 by
S&P or P-3 by Moody's or, if not  rated, determined by the Sub-adviser to be  of
comparable  quality. Obligations  rated A-3  and P-3  are considered  by S&P and
Moody's, respectively,  to have  an acceptable  capacity for  timely  repayment.
However,  these securities may be more  vulnerable to adverse effects of changes
in circumstances than obligations carrying higher designations.
    
 
                   Statement of Additional Information Page 5
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                              OPTIONS, FUTURES AND
                              CURRENCY STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The use of options, futures  contracts and forward currency contracts  ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1)  Successful  use  of  most of  these  instruments  depends  upon the
    Sub-adviser's ability to  predict movements  of the  overall securities  and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the  use of these instruments, there can be no assurance that any particular
    strategy adopted will succeed.
    
 
        (2) There  might  be  imperfect correlation,  or  even  no  correlation,
    between  price  movements  of  an  instrument  and  price  movements  of the
    investments being hedged. For example, if the value of an instrument used in
    a short hedge  increased by less  than the  decline in value  of the  hedged
    investment,  the  hedge  would  not  be fully  successful.  Such  a  lack of
    correlation might  occur  due to  factors  unrelated  to the  value  of  the
    investments  being hedged,  such as  speculative or  other pressures  on the
    markets in  which the  hedging instrument  is traded.  The effectiveness  of
    hedges  using hedging  instruments on indices  will depend on  the degree of
    correlation between price movements in the index and price movements in  the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or  partially offsetting the negative  effect of unfavorable price movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity for gain by  offsetting the positive  effect of favorable  price
    movements in the hedged investments. For example, if the Fund entered into a
    short  hedge because the Sub-adviser  projected a decline in  the price of a
    security in the Fund's portfolio, and  the price of that security  increased
    instead,  the gain from that increase might be wholly or partially offset by
    a decline in the price of the hedging instrument. Moreover, if the price  of
    the  hedging instrument declined by  more than the increase  in the price of
    the security, the Fund could  suffer a loss. In  either such case, the  Fund
    would have been in a better position had it not hedged at all.
    
 
        (4) As described below, the Fund might be required to maintain assets as
    "cover,"  maintain segregated accounts or make margin payments when it takes
    positions in  instruments  involving  obligations to  third  parties  (I.E.,
    instruments  other than purchased options). If the Fund were unable to close
    out its positions in such instruments,  it might be required to continue  to
    maintain  such assets or  accounts or make such  payments until the position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a disadvantageous time.  The Fund's ability  to close out  a position in  an
    instrument  prior to  expiration or maturity  depends on the  existence of a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness of the other party to the transaction ("contra party") to  enter
    into  a  transaction  closing  out  the  position.  Therefore,  there  is no
    assurance that any position can  be closed out at a  time and price that  is
    favorable to the Fund.
 
WRITING CALL OPTIONS
   
The  Fund may write  (sell) call options on  securities, indices and currencies.
Call options generally will be written on securities and currencies that, in the
opinion of the Sub-adviser are not expected to make any major price moves in the
near future  but  that,  over  the  long  term,  are  deemed  to  be  attractive
investments for the Fund.
    
 
A  call option  gives the  holder (buyer)  the right  to purchase  a security or
currency at a specified price (the  exercise price) at any time until  (American
style)  or on (European style) a certain  date (the expiration date). As long as
the obligation of the writer of a  call option continues, he may be assigned  an
exercise  notice, requiring him  to deliver the  underlying security or currency
against payment  of the  exercise  price. This  obligation terminates  upon  the
expiration  of the call option, or such earlier time at which the writer effects
a closing  purchase  transaction  by  purchasing an  option  identical  to  that
previously sold.
 
Portfolio  securities or currencies on which call options may be written will be
purchased solely on the basis  of investment considerations consistent with  the
Fund's  investment objectives. When  writing a call option,  the Fund, in return
for the
 
                   Statement of Additional Information Page 6
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
premium, gives  up the  opportunity for  profit  from a  price increase  in  the
underlying  security or currency above the  exercise price, and retains the risk
of loss should the  price of the  security or currency  decline. Unlike one  who
owns  securities or currencies not subject to an option, the Fund has no control
over when it may  be required to sell  the underlying securities or  currencies,
since  most  options  may  be  exercised  at  any  time  prior  to  the option's
expiration. If a call option  that the Fund has  written expires, the Fund  will
realize a gain in the amount of the premium; however, such gain may be offset by
a  decline in the market value of the underlying security or currency during the
option period. If the call option is exercised, the Fund will realize a gain  or
loss  from  the sale  of  the underlying  security  or currency,  which  will be
increased or  offset by  the premium  received.  The Fund  does not  consider  a
security  or currency covered by  a call option to be  "pledged" as that term is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing call options can serve as a limited short hedge because declines in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
appreciates to a price higher than the exercise price of the call option, it can
be  expected that the option will be exercised and the Fund will be obligated to
sell the security or currency at less than its market value.
 
   
The premium  that the  Fund receives  for writing  a call  option is  deemed  to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of  the underlying  investment, the relationship  of the exercise  price to such
market price, the historical price volatility of the underlying investment,  and
the length of the option period. In determining whether a particular call option
should  be  written. The  Sub-adviser will  consider  the reasonableness  of the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing transactions  will  be effected  in  order to  realize  a profit  on  an
outstanding  call option,  to prevent  an underlying  security or  currency from
being called, or  to permit  the sale of  the underlying  security or  currency.
Furthermore,  effecting  a closing  transaction will  permit  the Fund  to write
another call  option  on the  underlying  security  or currency  with  either  a
different exercise price, expiration date or both.
 
The  Fund will pay transaction  costs in connection with  the writing of options
and in entering into closing  purchase contracts. Transaction costs relating  to
options  activity are  normally higher  than those  applicable to  purchases and
sales of portfolio securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market values of the underlying securities or currencies at the time the options
are  written. From time to time, the Fund may purchase an underlying security or
currency for delivery in accordance with the exercise of an option, rather  than
delivering  such  security  or  currency  from  its  portfolio.  In  such cases,
additional costs will be incurred.
 
The Fund will realize a  profit or loss from  a closing purchase transaction  if
the  cost of  the transaction  is less or  more, respectively,  than the premium
received from writing  the option. Because  increases in the  market price of  a
call  option  generally  will  reflect  increases in  the  market  price  of the
underlying security or  currency, any loss  resulting from the  repurchase of  a
call  option is likely to be  offset in whole or in  part by appreciation of the
underlying security or currency owned by the Fund.
 
WRITING PUT OPTIONS
The Fund may  write put  options on securities,  indices and  currencies. A  put
option  gives the  purchaser of  the option  the right  to sell,  and the writer
(seller) the  obligation to  buy, the  underlying security  or currency  at  the
exercise  price at any  time until (American  Style) or on  (European Style) the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is identical substantially to that of call options.
 
   
The  Fund  generally  would  write  put  options  in  circumstances  where   the
Sub-adviser  wishes  to purchase  the underlying  security  or currency  for the
Fund's portfolio at a price lower than the current market price of the  security
or  currency. In such  event, the Fund would  write a put  option at an exercise
price that, reduced by  the premium received on  the option, reflects the  lower
price  it is willing to pay. Since the  Fund would also receive interest on debt
securities or currencies maintained to cover  the exercise price of the  option,
this  technique could be used to enhance current return during periods of market
uncertainty. The risk in such  a transaction would be  that the market price  of
the  underlying security or currency would decline below the exercise price less
the premium received.
    
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put option will be exercised and the Fund will be obligated
to purchase the security or currency at more than its market value.
 
                   Statement of Additional Information Page 7
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
PURCHASING PUT OPTIONS
The Fund may purchase put options on securities, indices and currencies. As  the
holder  of a put  option, the Fund would  have the right  to sell the underlying
security or currency at the exercise price at any time until (American style) or
on (European style) the  expiration date. The Fund  may enter into closing  sale
transactions  with  respect to  such options,  exercise them  or permit  them to
expire.
 
The Fund  may  purchase a  put  option on  an  underlying security  or  currency
("protective  put") owned by the Fund  to protect against an anticipated decline
in the  value of  the security  or currency.  Such protection  is provided  only
during  the life  of the  put option  when the  Fund, as  the holder  of the put
option, is able to sell the underlying security or currency at the put  exercise
price  regardless of  any decline in  the underlying security's  market price or
currency's exchange  value.  The  premium  paid  for  the  put  option  and  any
transaction  costs would reduce any  profit otherwise available for distribution
when the security or currency is eventually sold.
 
The Fund also may purchase put options at a time when the Fund does not own  the
underlying  security or  currency. By  purchasing put  options on  a security or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it has remaining value, and  if the market price  of the underlying security  or
currency  remains equal to or greater than the exercise price during the life of
the put option, the Fund will lose  its entire investment in the put option.  In
order for the purchase of a put option to be profitable, the market price of the
underlying  security or  currency must  decline sufficiently  below the exercise
price to cover the premium and transaction costs, unless the put option is  sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options on securities, indices and currencies. As the
holder  of  a  call  option, the  Fund  would  have the  right  to  purchase the
underlying security  or  currency  at  the exercise  price  at  any  time  until
(American  style) or on (European style) the expiration date. The Fund may enter
into closing sale transactions  with respect to such  options, exercise them  or
permit them to expire.
 
Call  options may  be purchased  by the  Fund for  the purpose  of acquiring the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase of  call options  would enable  the  Fund to  acquire the  security  or
currency  at the  exercise price of  the call  option plus the  premium paid. At
times, the net cost of acquiring the security or currency in this manner may  be
less  than  the  cost  of  acquiring the  security  or  currency  directly. This
technique also  may  be useful  to  the Fund  in  purchasing a  large  block  of
securities  that would be more difficult  to acquire by direct market purchases.
So long as it holds such a  call option, rather than the underlying security  or
currency  itself, the Fund is partially protected from any unexpected decline in
the market price  of the  underlying security or  currency and,  in such  event,
could  allow the call option  to expire, incurring a loss  only to the extent of
the premium paid for the option.
 
The Fund also may purchase call  options on underlying securities or  currencies
it  owns  to avoid  realizing losses  that would  result in  a reduction  of its
current return. For  example, where the  Fund has  written a call  option on  an
underlying security or currency having a current market value below the price at
which  it purchased the  security or currency,  an increase in  the market price
could result in  the exercise of  the call option  written by the  Fund and  the
realization  of a loss on the  underlying security or currency. Accordingly, the
Fund could purchase a call option  on the same underlying security or  currency,
which  could be exercised  to fulfill the Fund's  delivery obligations under its
written call (if it is exercised). This  strategy could allow the Fund to  avoid
selling  the portfolio security or currency at  a time when it has an unrealized
loss; however, the Fund would have to pay a premium to purchase the call  option
plus transaction costs.
 
Aggregate  premiums paid  for put  and call  options will  not exceed  5% of the
Fund's total assets at the time of purchase.
 
The Fund may attempt to accomplish  objectives similar to those involved in  its
use  of Forward Contracts by purchasing put or call options on currencies. A put
option gives the Fund as purchaser the right (but not the obligation) to sell  a
specified  amount of currency at the exercise  price at any time until (American
style) or on (European style) the expiration date. A call option gives the  Fund
as  purchaser the right (but not the  obligation) to purchase a specified amount
of currency at  the exercise  price at  any time  until (American  style) or  on
(European  style) the  expiration date. The  Fund might purchase  a currency put
option, for example, to protect itself against a decline in the dollar value  of
a  currency  in  which  it  holds  or  anticipates  holding  securities.  If the
currency's value should decline against the  dollar, the loss in currency  value
should  be offset, in whole or in part, by  an increase in the value of the put.
If the value of the currency instead should rise against the dollar, any gain to
the Fund would  be reduced  by the premium  it had  paid for the  put option.  A
currency  call option might be purchased, for example, in anticipation of, or to
protect against, a rise in the value  against the dollar of a currency in  which
the Fund anticipates purchasing securities.
 
                   Statement of Additional Information Page 8
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
Options  may  be either  listed  on an  exchange  or traded  in over-the-counter
("OTC") markets. Listed options are third-party contracts (I.E., performance  of
the  obligations of the  purchaser and seller  is guaranteed by  the exchange or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates. The Fund will not  purchase an OTC option  unless it believes that  daily
valuations  for such  options are  readily obtainable.  OTC options  differ from
exchange-traded options in that OTC options are transacted with dealers directly
and  not  through  a   clearing  corporation  (which  guarantees   performance).
Consequently,  there  is  a risk  of  non-performance  by the  dealer.  Since no
exchange is involved, OTC options are valued  on the basis of an average of  the
last  bid prices obtained from dealers, unless  a quotation from only one dealer
is available, in which case only that  dealer's price will be used. In the  case
of  OTC options, there can  be no assurance that  a liquid secondary market will
exist for any particular option at any specific time.
 
The staff of the SEC considers purchased OTC options to be illiquid  securities.
The  Fund  may also  sell OTC  options and,  in connection  therewith, segregate
assets or cover its obligations with respect to OTC options written by the Fund.
The assets used as cover for OTC options written by the Fund will be  considered
illiquid unless the OTC options are sold to qualified dealers who agree that the
Fund may repurchase any OTC option it writes at a maximum price to be calculated
by  a formula  set forth in  the option agreement.  The cover for  an OTC option
written subject  to this  procedure would  be considered  illiquid only  to  the
extent that the maximum repurchase price under the formula exceeds the intrinsic
value of the option.
 
The  Fund's  ability to  establish and  close  out positions  in exchange-listed
options depends  on  the existence  of  a liquid  market.  The Fund  intends  to
purchase  or write only those exchange-traded options for which there appears to
be a liquid secondary  market. However, there  can be no  assurance that such  a
market  will exist at any particular time.  Closing transactions can be made for
OTC options  only  by  negotiating  directly  with the  contra  party  or  by  a
transaction in the secondary market if any such market exists. Although the Fund
will  enter into OTC  options only with  contra parties that  are expected to be
capable of  entering  into closing  transactions  with  the Fund,  there  is  no
assurance that the Fund will in fact be able to close out an OTC option position
at  a favorable  price prior to  expiration. In  the event of  insolvency of the
contra party, the Fund might  be unable to close out  an OTC option position  at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts  except that all settlements  are in cash and  gain or loss depends on
changes in the index in question (and thus on price movements in the  securities
market  or a particular market sector  generally) rather than on price movements
in individual securities or futures contracts. When the Fund writes a call on an
index, it receives a premium and agrees that, prior to the expiration date,  the
purchaser  of the call, upon exercise of the call, will receive from the Fund an
amount of cash if the closing level of the index upon which the call is based is
greater than the exercise price of the call. The amount of cash is equal to  the
difference  between the closing price of the index and the exercise price of the
call times a specified multiple  (the "multiplier"), which determines the  total
dollar  value for each point of such difference. When the Fund buys a call on an
index, it  pays a  premium  and has  the same  rights  as to  such call  as  are
indicated above. When the Fund buys a put on an index, it pays a premium and has
the  right, prior to the expiration date, to require the seller of the put, upon
the Fund's exercise of the put, to deliver to the Fund an amount of cash if  the
closing level of the index upon which the put is based is less than the exercise
price  of the  put, which  amount of  cash is  determined by  the multiplier, as
described above for calls. When the Fund writes a put on an index, it receives a
premium and  the purchaser  has the  right,  prior to  the expiration  date,  to
require  the Fund  to deliver to  it an amount  of cash equal  to the difference
between the  closing  level  of the  index  and  the exercise  price  times  the
multiplier, if the closing level is less than the exercise price.
 
The  risks  of  investment in  index  options  may be  greater  than  options on
securities. Because index options  are settled in cash,  when the Fund writes  a
call  on an  index it  cannot provide  in advance  for its  potential settlement
obligations by acquiring  and holding  the underlying securities.  The Fund  can
offset  some of the  risk of writing a  call index option  position by holding a
diversified portfolio of  securities similar  to those on  which the  underlying
index  is based. However,  the Fund cannot,  as a practical  matter, acquire and
hold a portfolio containing  exactly the same securities  as underlie the  index
and,  as a result, bears a risk that  the value of the securities held will vary
from the value of the index.
 
Even if the Fund could assemble  a securities portfolio that exactly  reproduced
the  composition of the  underlying index, it  still would not  be fully covered
from a risk standpoint  because of the "timing  risk" inherent in writing  index
options.  When an index option is exercised,  the amount of cash that the holder
is entitled to  receive is  determined by  the difference  between the  exercise
price  and the closing index level on the  date when the option is exercised. As
with other kinds of options, the Fund, as the call writer, will not know that it
has been assigned  until the next  business day  at the earliest.  The time  lag
between  exercise and  notice of assignment  poses no  risk for the  writer of a
covered call on a specific underlying
 
                   Statement of Additional Information Page 9
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
security, such as  common stock,  because there  the writer's  obligation is  to
deliver  the underlying security, not to pay its value as of a fixed time in the
past. So long as the writer already owns the underlying security, it can satisfy
its settlement obligations by simply delivering it, and the risk that its  value
may  have declined since the exercise date is borne by the exercising holder. In
contrast, even if  the writer  of an index  call holds  securities that  exactly
match  the composition of the  underlying index, it will  not be able to satisfy
its assignment obligations by delivering those securities against payment of the
exercise price. Instead, it will be required  to pay cash in an amount based  on
the  closing index value on the exercise date; and by the time it learns that it
has been assigned, the index may have declined, with a corresponding decline  in
the  value  of  its securities  portfolio.  This  "timing risk"  is  an inherent
limitation on the ability of index call writers to cover their risk exposure  by
holding securities positions.
 
If  the Fund purchases an index option and exercises it before the closing index
value for  that day  is  available, it  runs  the risk  that  the level  of  the
underlying  index may subsequently change. If such a change causes the exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between the closing index value and the exercise price of the option (times  the
applicable multiplier) to the assigned writer.
 
INTEREST RATE AND CURRENCY FUTURES CONTRACTS
The  Fund may enter  into interest rate  or currency futures  contracts, and may
enter into  stock  index futures  contracts  (collective "Futures"  or  "Futures
Contracts"),  as a hedge against changes in prevailing levels of interest rates,
currency exchange rates or  stock prices in order  to establish more  definitely
the effective return on securities or currencies held or intended to be acquired
by  the Fund. The Fund's transactions may  include sales of Futures as an offset
against the effect  of expected increases  in interest rates,  and decreases  in
currency  exchange rates and stock prices, and purchases of Futures as an offset
against the effect  of expected  declines in  interest rates,  and increases  in
currency exchange rates and stock prices.
 
The  Fund will  only enter  into Futures  Contracts that  are traded  on futures
exchanges and  are standardized  as to  maturity date  and underlying  financial
instrument.  Futures  exchanges and  trading thereon  in  the United  States are
regulated under  the Commodity  Exchange Act  by the  Commodity Futures  Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used  to reduce the Fund's exposure to interest rate, currency exchange rate and
stock market  fluctuations, the  Fund may  be able  to hedge  its exposure  more
effectively and at a lower cost through using Futures Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of a specified amount of a specific financial instrument (security
or currency) for  a specified price  at a  designated date, time  and place.  An
index Futures Contract provides for the delivery, at a designated date, time and
place,  of  an amount  of  cash equal  to a  specified  dollar amount  times the
difference between the index value at the  close of trading on the contract  and
the  price  at which  the  Futures Contract  is  originally struck;  no physical
delivery of the  securities comprising  the index  is made.  Brokerage fees  are
incurred  when a Futures Contract is bought or sold, and margin deposits must be
maintained at all times the Futures Contract is outstanding.
 
Although Futures Contracts typically require future delivery of and payment  for
financial  instruments or currencies,  Futures Contracts are  usually closed out
before the delivery date. Closing out an open Futures Contract sale or  purchase
is  effected by entering  into an offsetting Futures  Contract purchase or sale,
respectively,  for  the  same  aggregate  amount  of  the  identical   financial
instrument  or currency and  the same delivery date.  If the offsetting purchase
price is less than the original sale price,  the Fund realizes a gain; if it  is
more, the Fund realizes a loss. Conversely, if the offsetting sale price is more
than  the original purchase price, the Fund realizes  a gain; if it is less, the
Fund realizes  a loss.  The transaction  costs must  also be  included in  these
calculations.  There can be no assurance, however, that the Fund will be able to
enter into  an  offsetting transaction  with  respect to  a  particular  Futures
Contract  at  a particular  time.  If the  Fund  is not  able  to enter  into an
offsetting transaction, the Fund  will continue to be  required to maintain  the
margin deposits on the Futures Contract.
 
As  an example of an offsetting transaction, the contractual obligations arising
from the sale of one Futures Contract of September Deutschemarks on an  exchange
may  be fulfilled  at any  time before  delivery under  the Futures  Contract is
required (I.E., on a specified date  in September, the "delivery month") by  the
purchase  of another  Futures Contract  of September  Deutschemarks on  the same
exchange. In such instance the difference between the price at which the Futures
Contract was  sold  and  the  price paid  for  the  offsetting  purchase,  after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The  Fund's Futures transactions will be entered into for hedging purposes only;
that is, Futures  Contracts will be  sold to  protect against a  decline in  the
price  of securities or currencies that the Fund owns, or Futures Contracts will
be purchased
 
                  Statement of Additional Information Page 10
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                        GT GLOBAL EMERGING MARKETS FUND
to protect the Fund against an increase in the price of securities or currencies
it has committed to purchase or expects to purchase.
 
"Margin" with respect to Futures Contracts is  the amount of funds that must  be
deposited  by the Fund in order to  initiate Futures trading and to maintain the
Fund's open  positions in  Futures Contracts.  A margin  deposit made  when  the
Futures  Contract is entered  into ("initial margin") is  intended to assure the
Fund's performance  under  the  Futures  Contract. The  margin  required  for  a
particular Futures Contract is set by the exchange on which the Futures Contract
is  traded and may be  modified significantly from time  to time by the exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through  which the Fund  entered into  the Futures Contract
will be made on a daily basis as the price of the underlying security,  currency
or  index fluctuates making the  Futures Contract more or  less value, a process
known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in  interest rates  and currency  exchange rates,  and in  stock  market
movements,  which  in turn  are  affected by  fiscal  and monetary  policies and
national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and prices  of the securities  or currencies in  the Fund's portfolio
being  hedged.  The   degree  of  imperfection   of  correlation  depends   upon
circumstances  such as: variations in speculative  market demand for Futures and
for securities or currencies, including technical influences in Futures trading;
and  differences  between  the  financial  instruments  being  hedged  and   the
instruments  underlying the standard Futures  Contracts available for trading. A
decision of whether,  when, and how  to hedge involves  skill and judgment,  and
even  a  well-conceived hedge  may  be unsuccessful  to  some degree  because of
unexpected market behavior or interest or currency rate trends.
 
Because of  the  low  margin  deposits required,  Futures  trading  involves  an
extremely  high  degree  of leverage.  As  a  result, a  relatively  small price
movement in a Futures Contract may result in immediate and substantial loss,  as
well  as gain, to the investor. For example,  if at the time of purchase, 10% of
the value  of the  Futures Contract  is deposited  as margin,  a subsequent  10%
decrease  in the value of  the Futures Contract would result  in a total loss of
the margin  deposit, before  any deduction  for the  transaction costs,  if  the
account  were then closed  out. A 15% decrease  would result in  a loss equal to
150% of the original  margin deposit, if the  Futures Contract were closed  out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily  limit establishes the maximum amount that the price of a Futures Contract
or option may vary either up or down from the previous day's settlement price at
the end  of a  trading session.  Once  the daily  limit has  been reached  in  a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a  particular trading day and therefore does not limit potential losses, because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and option  prices  have occasionally  moved  to  the daily  limit  for  several
consecutive  trading days with  little or no  trading, thereby preventing prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to the absence of a liquid secondary  market or the imposition of price  limits,
it  could incur  substantial losses.  The Fund would  continue to  be subject to
market risk with respect  to the position.  In addition, except  in the case  of
purchased  options,  the  Fund  would  continue to  be  required  to  make daily
variation margin payments and might be  required to maintain the position  being
hedged by the Future or option or to maintain cash or securities in a segregated
account.
 
Certain  characteristics  of the  Futures market  might  increase the  risk that
movements in the  prices of Futures  Contracts or options  on Futures might  not
correlate  perfectly  with  movements in  the  prices of  the  investments being
hedged. For example,  all participants  in the  Futures and  options on  Futures
markets  are subject to daily  variation margin calls and  might be compelled to
liquidate Futures  or  options on  Futures  positions whose  prices  are  moving
unfavorably  to avoid being  subject to further  calls. These liquidations could
increase price  volatility  of the  instruments  and distort  the  normal  price
relationship  between the Futures  or options and  the investments being hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous than  margin requirements  in  the securities  markets, there  might  be
increased   participation   by  speculators   in   the  Futures   markets.  This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage,  "program trading"  and other  investment strategies  might result in
temporary price distortions.
 
                  Statement of Additional Information Page 11
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
OPTIONS ON FUTURES CONTRACTS
Options on Futures Contracts are similar to options on securities or  currencies
except that options on Futures Contracts give the purchaser the right, in return
for  the  premium paid,  to  assume a  position in  a  Futures Contract  (a long
position if the option is a call and a short position if the option is a put) at
a specified exercise price  at any time  during the period  of the option.  Upon
exercise  of the option, the  delivery of the Futures  position by the writer of
the option to the holder  of the option will be  accompanied by delivery of  the
accumulated balance in the writer's Futures margin account, which represents the
amount  by which the market price of  the Futures Contract, at exercise, exceeds
(in the case of  a call) or  is less than (in  the case of  a put) the  exercise
price  of the option on  the Futures Contract. If an  option is exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to  the difference between the exercise price  of
the  option and the  closing level of  the securities, currencies  or index upon
which the  Futures Contract  is  based on  the  expiration date.  Purchasers  of
options  who fail to exercise their options  prior to the exercise date suffer a
loss of the premium paid.
 
The purchase of  call options  on Futures  can serve as  a long  hedge, and  the
purchase  of put  options on Futures  can serve  as a short  hedge. Writing call
options on Futures can serve as a  limited short hedge, and writing put  options
on  Futures can serve as a limited long  hedge, using a strategy similar to that
used for writing options on securities, foreign currencies or indices.
 
If the Fund  writes an  option on  a Futures Contract,  it will  be required  to
deposit  initial and variation margin pursuant  to requirements similar to those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The Fund may seek to close out an option position by selling an option  covering
the  same Futures  Contract and  having the  same exercise  price and expiration
date. The  ability to  establish and  close  out positions  on such  options  is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
   
To the extent that  the Fund enters into  Futures Contracts, options on  Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange, in each case other than for BONA FIDE hedging purposes (as defined  by
the CFTC), the aggregate initial margin and premiums required to establish those
positions  (excluding the amount  by which options  are "in-the-money") will not
exceed 5% of the  liquidation value of the  Fund's portfolio, after taking  into
account  unrealized profits and unrealized losses  on any contracts the Fund has
entered into. In general, a call option on a Futures Contract is  "in-the-money"
if  the  value of  the  underlying Futures  Contract  exceeds the  strike, I.E.,
exercise,  price  of  the  call;  a   put  option  on  a  Futures  Contract   is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund may either
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular  foreign  currency forward,  for  example, when  it  holds securities
denominated in a  foreign currency but  anticipates, and seeks  to be  protected
against,  a decline in the currency against the U.S. dollar. Similarly, the Fund
might sell the U.S. dollar forward when it holds securities denominated in  U.S.
dollars,  but anticipates, and seeks  to be protected against,  a decline in the
U.S. dollar relative  to other currencies.  Further, the Fund  might purchase  a
currency  forward  to "lock  in"  the price  of  securities denominated  in that
currency that it anticipates purchasing.
 
   
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S.  or foreign  banks and  securities or  currency dealers  in accordance with
guidelines approved by the Company's Board of Trustees.
    
 
The Fund  may enter  into  Forward Contracts  either  with respect  to  specific
transactions  or with  respect to  the Fund's  portfolio positions.  The precise
matching of the Forward  Contract amounts and the  value of specific  securities
will  not generally be possible  because the future value  of such securities in
foreign currencies will change as a consequence of market movements in the value
of those securities between  the date the Forward  Contract is entered into  and
the date it
 
                  Statement of Additional Information Page 12
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
matures.  Accordingly, it may  be necessary for the  Fund to purchase additional
foreign currency on the spot (I.E., cash)  market (and bear the expense of  such
purchase) if the market value of the security is less than the amount of foreign
currency  the Fund is obligated to deliver and if a decision is made to sell the
security and  make delivery  of  the foreign  currency.  Conversely, it  may  be
necessary  to sell on the  spot market some of the  foreign currency the Fund is
obligated to deliver. The projection of short-term currency market movements  is
extremely  difficult,  and  the  successful execution  of  a  short-term hedging
strategy  is  highly  uncertain.  Forward   Contracts  involve  the  risk   that
anticipated  currency movements  will not  be accurately  predicted, causing the
Fund to sustain losses on these contracts and transaction costs.
 
At or before the  maturity of a  Forward Contract requiring the  Fund to sell  a
currency,  the  Fund may  either  sell a  portfolio  security and  use  the sale
proceeds to make delivery of the currency or retain the security and offset  its
contractual  obligation to deliver the currency  by purchasing a second contract
pursuant to which  the Fund will  obtain, on  the same maturity  date, the  same
amount  of the currency that it is obligated to deliver. Similarly, the Fund may
close out a Forward  Contract requiring it to  purchase a specified currency  by
entering  into a second  contract, if its  contra party agrees,  entitling it to
sell the same  amount of the  same currency on  the maturity date  of the  first
contract.  The Fund would  realize a gain or  loss as a  result of entering into
such an offsetting Forward Contract under either circumstance to the extent  the
exchange  rate  or  rates  between the  currencies  involved  moved  between the
execution dates of the first contract and the offsetting contract.
 
The cost to the Fund of engaging  in Forward Contracts varies with factors  such
as  the currencies involved,  the length of  the contract period  and the market
conditions then prevailing. Because Forward  Contracts usually are entered  into
on  a principal basis, no  fees or commissions are  involved. The use of Forward
Contracts does  not  eliminate fluctuations  in  the prices  of  the  underlying
securities  the Fund owns or intends to acquire, but it does establish a rate of
exchange in advance. In addition, while Forward Contract sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The Fund may use options on  foreign currencies, Futures on foreign  currencies,
options  on Futures on foreign currencies and Forward Contracts to hedge against
movements in the values of the foreign currencies in which the Fund's securities
are denominated. Such currency hedges can  protect against price movements in  a
security  that the  Fund owns  or intends  to acquire  that are  attributable to
changes in the value of the currency in which it is denominated. Such hedges  do
not,  however,  protect  against  price movements  in  the  securities  that are
attributable to other causes.
 
   
The Fund  might seek  to hedge  against changes  in the  value of  a  particular
currency  when no  Futures Contract, Forward  Contract or  option involving that
currency is available or  one of such contracts  is more expensive than  certain
other  contracts. In such cases,  the Fund may hedge  against price movements in
that currency  by entering  into a  contract on  another currency  or basket  of
currencies,  the values of  which the Sub-adviser believes  will have a positive
correlation to the value of the  currency being hedged. The risk that  movements
in  the price of the contract will not correlate perfectly with movements in the
price of the currency being hedged is magnified when this strategy is used.
    
 
The value of Futures Contracts, options on Futures Contracts, Forward  Contracts
and  options  on  foreign currencies  depends  on  the value  of  the underlying
currency relative  to the  U.S. dollar.  Because foreign  currency  transactions
occurring  in the  interbank market  might involve  substantially larger amounts
than those  involved in  the  use of  Futures  Contracts, Forward  Contracts  or
options,  the  Fund could  be disadvantaged  by  dealing in  the odd  lot market
(generally  consisting  of  transactions  of  less  than  $1  million)  for  the
underlying  foreign currencies at prices that  are less favorable than for round
lots.
 
There is no systematic reporting of last sale information for foreign currencies
or any  regulatory requirements  that quotations  available through  dealers  or
other market sources be firm or revised on a timely basis. Quotation information
generally  is representative of very large  transactions in the interbank market
and thus  might not  reflect  odd-lot transactions  where  rates might  be  less
favorable.   The   interbank  market   in  foreign   currencies  is   a  global,
round-the-clock market. To the  extent the U.S. options  or Futures markets  are
closed  while the markets for the underlying currencies remain open, significant
price and rate movements might take place in the underlying markets that  cannot
be  reflected in  the markets  for the Futures  contracts or  options until they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies might  be required  to  take place  within  the country  issuing  the
underlying currency. Thus, the Fund might be required to accept or make delivery
of  the  underlying foreign  currency  in accordance  with  any U.S.  or foreign
regulations regarding the  maintenance of foreign  banking arrangements by  U.S.
residents  and might be required  to pay any fees,  taxes and charges associated
with such delivery assessed in the issuing country.
 
                  Statement of Additional Information Page 13
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased by  the Fund)  expose the  Fund to  an obligation  to another
party. The Fund will not enter into any such transactions unless it owns  either
(1)  an  offsetting ("covered")  position  in securities,  currencies,  or other
options, Forward Contracts or  Futures Contracts, or  (2) cash, receivables  and
short-term  debt securities with  a value sufficient  at all times  to cover its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of the Fund's assets are used for cover or otherwise set aside, it could  affect
portfolio  management or the Fund's ability to meet redemption requests or other
current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The Fund  may  invest up  to  15% of  its  net assets  in  illiquid  securities.
Securities  may  be considered  illiquid if  the  Fund cannot  reasonably expect
within seven days to sell the  securities for approximately the amount at  which
the  Fund  values such  securities. See  "Investment  Limitations." The  sale of
illiquid securities, if  they can be  sold at all,  generally will require  more
time  and  result in  higher  brokerage charges  or  dealer discounts  and other
selling expenses than the sale of liquid securities such as securities  eligible
for  trading on  U.S. securities exchanges  or in  the over-the-counter markets.
Moreover, restricted  securities, which  may be  illiquid for  purposes of  this
limitation, often sell, if at all, at a price lower than similar securities that
are not subject to restrictions on resale.
 
Illiquid  securities include those that are subject to restrictions contained in
the securities  laws of  other countries.  However, securities  that are  freely
marketable  in the country where  they are principally traded,  but would not be
freely marketable in the United States,  will not be considered illiquid.  Where
registration  is required, the Fund  may be obligated to pay  all or part of the
registration expenses and a considerable period  may elapse between the time  of
the  decision to sell and the time the  Fund may be permitted to sell a security
under an effective  registration statement.  If, during such  a period,  adverse
market  conditions were to develop, the Fund might obtain a less favorable price
than prevailed when it decided to sell.
 
Not  all  restricted  securities   are  illiquid.  In   recent  years  a   large
institutional   market  has  developed  for  certain  securities  that  are  not
registered under the Securities Act of 1933, as amended ("1933 Act"),  including
private  placements, repurchase agreements, commercial paper, foreign securities
and corporate bonds and notes. These instruments are often restricted securities
because the  securities are  sold in  transactions not  requiring  registration.
Institutional investors generally will not seek to sell these instruments to the
general   public,  but  instead  will  often   depend  either  on  an  efficient
institutional market in which such unregistered securities can be readily resold
or on an issuer's ability to honor  a demand for repayment. Therefore, the  fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule  144A under the 1933 Act establishes  a "safe harbor" from the registration
requirements of the  1933 Act  for resales  of certain  securities to  qualified
institutional  buyers.  Institutional  markets  for  restricted  securities have
developed as a result of Rule 144A, providing both readily ascertainable  values
for  restricted securities and the ability to liquidate an investment to satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance and  settlement of  unregistered securities  of domestic  and  foreign
issuers,  such as  the PORTAL  System sponsored  by the  National Association of
Securities Dealers,  Inc.  An  insufficient number  of  qualified  institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
the  Fund, however, could  affect adversely the  marketability of such portfolio
securities and the Fund might be  unable to dispose of such securities  promptly
or at favorable prices.
 
   
With  respect  to liquidity  determinations  generally, the  Company's  Board of
Trustees has  the  ultimate  responsibility  for  determining  whether  specific
securities, including restricted securities pursuant to Rule 144A under the 1933
Act,  are liquid  or illiquid.  The Board has  delegated the  function of making
day-to-day determinations of liquidity to the Sub-
    
 
                  Statement of Additional Information Page 14
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
   
adviser, in  accordance  with procedures  approved  by the  Company's  Board  of
Trustees.  The Sub-adviser  takes into account  a number of  factors in reaching
liquidity decisions, including, but not limited to: (i) the frequency of trading
in the security; (ii) the  number of dealers who  make quotes for the  security:
(iii)  the  number  of dealers  who  have undertaken  to  make a  market  in the
security; (iv) the number of other  potential purchasers; and (v) the nature  of
the  security and  how trading is  affected (e.g.,  the time needed  to sell the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser  monitors the  liquidity of securities  in the  Fund's portfolio and
periodically reports on such decisions to the Board of Trustees, as  applicable.
If  the liquidity percentage restriction of the Fund is satisfied at the time of
investment, a later increase  in the percentage of  illiquid securities held  by
the Fund resulting from a change in market value or assets will not constitute a
violation  of that restriction.  If as a result  of a change  in market value or
assets, the percentage of illiquid securities  held by the Fund increases  above
the  applicable limit, the Sub-adviser will  take appropriate steps to bring the
aggregate amount of illiquid  assets back within  the prescribed limitations  as
soon   as  reasonably  practicable,  taking  into  account  the  effect  of  any
disposition on the Fund.
    
 
FOREIGN SECURITIES
    SPECIAL CONSIDERATIONS  AFFECTING  EMERGING  MARKETS.  Investing  in  equity
securities  of  companies  in emerging  markets  may entail  greater  risks than
investing in equity securities in  developed countries. These risks include  (i)
less  social, political and  economic stability; (ii) the  small current size of
the markets for such securities and  the currently low or nonexistent volume  of
trading,  which result in a  lack of liquidity and  in greater price volatility;
(iii) certain  national  policies  which  may  restrict  the  Fund's  investment
opportunities,  including restrictions  on investment  in issuers  or industries
deemed sensitive  to national  interests;  (iv) foreign  taxation; and  (v)  the
absence  of  developed structures  governing  private or  foreign  investment or
allowing for judicial redress for injury  to private property. Investing in  the
securities  of companies  in emerging  markets, including  the markets  of Latin
America and certain Asian  markets such as Taiwan,  Malaysia and Indonesia,  may
entail   special  risks  relating  to   the  potential  political  and  economic
instability and the risks of expropriation, nationalization, confiscation or the
imposition of restrictions on  foreign investment, convertibility of  currencies
into  U.S. dollars and on repatriation of capital invested. In the event of such
expropriation, nationalization or  other confiscation by  any country, the  Fund
could lose its entire investment in any such country.
 
Settlement  mechanisms in emerging securities markets  may be less efficient and
reliable than in  more developed  markets. In such  emerging securities  markets
there may be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and may  continue to  have  negative effects  on  the economies  and  securities
markets of certain emerging market countries.
 
    SPECIAL    CONSIDERATIONS    AFFECTING   RUSSIA    AND    EASTERN   EUROPEAN
COUNTRIES. Investing in Russia  and Eastern European  countries involves a  high
degree  of  risk  and  special  considerations  not  typically  associated  with
investing in  the United  States securities  markets, and  should be  considered
highly  speculative.  Such  risks  include:  (1)  delays  in  settling portfolio
transactions and risk of  loss arising out of  the system of share  registration
and  custody; (2) the risk  that it may be impossible  or more difficult than in
other countries  to obtain  and/or  enforce a  judgement; (3)  pervasiveness  of
corruption  and  crime  in  the  economic  system;  (4)  currency  exchange rate
volatility and the lack  of available currency  hedging instruments; (5)  higher
rates  of inflation (including the risk of social unrest associated with periods
of hyper-inflation) and  high unemployment; (6)  controls on foreign  investment
and   local  practices   disfavoring  foreign   investors  and   limitations  on
repatriation of  invested capital,  profits  and dividends,  and on  the  Fund's
ability to exchange local currencies for U.S. dollars; (7) political instability
and  social unrest and violence; (8) the risk that the governments of Russia and
Eastern European countries may  decide not to continue  to support the  economic
reform  programs  implemented  recently  and  could  follow  radically different
political and/or  economic policies  to the  detriment of  investors,  including
non-market-oriented  policies such as  the support of  certain industries at the
expense of other  sectors or  investors, or a  return to  the centrally  planned
economy that existed when such countries had a communist form of government; (9)
the financial condition of companies in these countries, including large amounts
of  inter-company debt which may  create a payments crisis  on a national scale;
(10) dependency on  exports and  the corresponding  importance of  international
trade; (11) the risk that the tax system in these countries will not be reformed
to  prevent inconsistent, retroactive  and/or exorbitant taxation;  and (12) the
underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING PACIFIC REGION COUNTRIES. Many of the  Asia
Pacific region countries may be subject to a greater degree of social, political
and economic instability than is the case in the United States. Such instability
may   result  from,  among  other   things,  the  following:  (i)  authoritarian
governments or military involvement in  political and economic decision  making,
and  changes  in  government through  extra-constitutional  means;  (ii) popular
unrest associated  with  demands for  improved  political, economic  and  social
conditions;   (iii)   internal   insurgencies;  (iv)   hostile   relations  with
 
                  Statement of Additional Information Page 15
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
neighboring countries; and (v) ethnic,  religious and racial disaffection.  Such
social,  political  and  economic instability  could  significantly  disrupt the
principal financial markets  in which a  Fund invests and  adversely affect  the
value  of a Fund's  assets. In addition,  there may be  the possibility of asset
expropriations or future confiscatory levels of taxation affecting the Funds.
 
Several of  the Asia  Pacific region  countries have  or in  the past  have  had
hostile  relationships  with neighboring  nations  or have  experienced internal
insurgency. Thailand has  experienced border conflicts  with Laos and  Cambodia,
and India is engaged in border disputes with several of its neighbors, including
China  and Pakistan. An uneasy truce exists between North Korea and South Korea,
and the recurrence of hostilities remains possible. Reunification of North Korea
and South Korea could have a detrimental  effect on the economy of South  Korea.
Also,  China  continues  to  claim  sovereignty  over  Taiwan  and  recently has
conducted military maneuvers near Taiwan.
 
The economies of most of the Asia Pacific region countries are heavily dependent
upon international  trade  and  are accordingly  affected  by  protective  trade
barriers  and the economic conditions of their trading partners, principally the
United States, Japan,  China and the  European Community. The  enactment by  the
United  States  or  other  principal  trading  partners  of  protectionist trade
legislation, reduction of foreign investment in the local economies and  general
declines  in  the  international  securities markets  could  have  a significant
adverse effect upon the securities markets of the Asia Pacific region countries.
In addition,  the  economies of  some  of  the Asia  Pacific  region  countries,
Australia and Indonesia, for example, are vulnerable to weakness in world prices
for their commodity exports, including crude oil.
 
China  recently assumed sovereignty over Hong  Kong in July 1997. Although China
has committed by treaty to preserve the economic and social freedoms enjoyed  in
Hong  Kong for fifty years, the continuation of the current form of the economic
system in Hong Kong will  depend on the actions of  the government of China.  In
addition,  such assumption of sovereignty has increased sensitivity in Hong Kong
to political developments and  statements by public  figures in China.  Business
confidence  in  Hong  Kong, therefore,  can  be significantly  affected  by such
developments and  statements, which  in  turn can  affect markets  and  business
performance.
 
In  addition, the Chinese sovereignty  over Hong Kong also  presents a risk that
the Hong Kong dollar will be devaluated and a risk of possible loss of  investor
confidence  in the Hong Kong markets and dollar. However, factors exist that are
likely to mitigate this risk. First, China has stated its intention to implement
a "one country, two systems"  policy, which would preserve monetary  sovereignty
and leave control in the hands of the Hong Kong Monetary Authority ("HKMA").
 
Second,  fixed  rate  parity  with  the  U.S.  dollar  is  seen  as  critical to
maintaining investors'  confidence  in  the  transition  to  Chinese  rule  and,
therefore,  it is  anticipated that, in  the event  international investors lose
confidence in Hong Kong dollar assets,  the HKMA would intervene to support  the
currency,  though such  intervention cannot be  assured. Third,  Hong Kong's and
China's sizable combined  foreign exchange reserve  may be used  to support  the
value  of the Hong  Kong dollar, provided  that China does  not appropriate such
reserves for  other uses,  which  is not  anticipated,  but cannot  be  assured.
Finally,  China would be likely to  experience significant adverse political and
economic consequences if confidence  in the Hong Kong  dollar and the  territory
assets were to be endangered.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American countries have experienced substantial,  and in some periods  extremely
high,  rates of  inflation for many  years. Inflation and  rapid fluctuations in
inflation rates have had and may continue  to have very negative effects on  the
economies  and securities markets  of certain Latin  American countries. Certain
Latin American countries are also among the largest debtors to commercial  banks
and foreign governments. At times certain Latin American countries have declared
moratoria  on  the payment  of principal  and/or interest  on external  debt. In
addition, certain  Latin  American  securities  markets  have  experienced  high
volatility in recent years.
 
Latin  American countries may  also close certain sectors  of their economies to
equity investments  by foreigners.  Further  due to  the absence  of  securities
markets  and  publicly  owned corporations  and  due to  restrictions  on direct
investment by foreign entities,  investments may only be  made in certain  Latin
American   countries  solely   or  primarily   through  governmentally  approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at artificial levels to the U.S. dollar rather than at levels determined by  the
market.  This type  of system can  lead to  sudden and large  adjustments in the
currency which, in turn,  can have a disruptive  and negative effect on  foreign
investors.  For example, in late  1994, the value of  the Mexican peso lost more
than one-third of its value relative to the U.S. dollar.
 
                  Statement of Additional Information Page 16
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
    CONCENTRATION. To the extent the Fund  invests a significant portion of  its
assets in securities of issuers located in a particular country or region of the
world,  the Fund  may be  subject to  greater risks  and may  experience greater
volatility than a fund that is more broadly diversified geographically.
 
    POLITICAL, SOCIAL AND  ECONOMIC RISKS. Investing  in securities of  non-U.S.
companies may entail additional risks due to the potential political, social and
economic  instability  of  certain  countries and  the  risks  of expropriation,
nationalization, confiscation  or  the  imposition of  restrictions  on  foreign
investment,  convertibility of currencies into  U.S. dollars and on repatriation
of capital  invested. In  the event  of such  expropriation, nationalization  or
other  confiscation by any country, the Fund could lose its entire investment in
any such country.
 
In addition,  even though  opportunities for  investment may  exist in  emerging
markets,  any change in the  leadership or policies of  the governments of those
countries or  in  the leadership  or  policies  of any  other  government  which
exercises  a significant influence over those  countries, may halt the expansion
of or reverse the  liberalization of foreign  investment policies now  occurring
and thereby eliminate any investment opportunities which may currently exist.
 
Investors should note that upon the accession to power of authoritarian regimes,
the  governments of a number of Latin American countries previously expropriated
large quantities of  real and personal  property similar to  the property  which
will  be represented  by the  securities purchased  by the  Fund. The  claims of
property owners against those governments were never finally settled. There  can
be  no assurance  that any property  represented by securities  purchased by the
Fund will not also be  expropriated, nationalized, or otherwise confiscated.  If
such  confiscation were to occur,  the Fund could lose  its entire investment in
such countries. The Fund's investments would similarly be adversely affected  by
exchange control regulation in any of those countries.
 
    RELIGIOUS  AND ETHNIC INSTABILITY.  Certain countries in  which the Fund may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of  property owned by individuals and entities foreign to such country and could
cause the loss of the Fund's investment in those countries. Instability may also
result from,  among  other things:  (i)  authoritarian governments  or  military
involvement  in  political and  economic  decision-making, including  changes in
government through extra-constitutional  means; (ii)  popular unrest  associated
with  demands for improved political, economic  and social conditions; and (iii)
hostile relations with  neighboring or other  countries. Such political,  social
and  economic instability could disrupt the principal financial markets in which
the Fund invests and adversely affect the value of the Fund's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial  restrictions on investments in  their capital markets, particularly
their equity markets, by foreign entities  such as the Fund. These  restrictions
or  controls may at times limit or preclude investment in certain securities and
may increase the cost and expenses  of the Fund. For example, certain  countries
require prior governmental approval before investments by foreign persons may be
made,  or may limit the amount of  investment by foreign persons in a particular
company, or may limit the investment by foreign persons to only a specific class
of securities of a company that may have less advantageous terms than securities
of the  company available  for  purchase by  nationals. Moreover,  the  national
policies  of certain countries may  restrict investment opportunities in issuers
or  industries  deemed  sensitive  to  national  interests.  In  addition,  some
countries  require  governmental  approval for  the  repatriation  of investment
income, capital or  the proceeds of  securities sales by  foreign investors.  In
addition,  if there is a deterioration in a country's balance of payments or for
other reasons, a country may impose restrictions on foreign capital  remittances
abroad.  The Fund  could be  adversely affected  by delays  in, or  a refusal to
grant, any required governmental  approval for repatriation, as  well as by  the
application to it of other restrictions on investments.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting principles. Most of the foreign securities held by the  Fund
will  not be registered with  the SEC or regulators  of any foreign country, nor
will the issuers thereof be subject  to the SEC's reporting requirements.  Thus,
there  will be  less available  information concerning  most foreign  issuers of
securities held  by the  Fund  than is  available  concerning U.S.  issuers.  In
instances  where the financial statements of an issuer are not deemed to reflect
accurately the  financial situation  of the  issuer, the  Sub-adviser will  take
appropriate steps to evaluate the proposed investment, which may include on-site
inspection  of the issuer, interviews with its management and consultations with
accountants, bankers and other specialists. There is substantially less publicly
available information about foreign companies than there are reports and ratings
published   about    U.S.    companies    and   the    U.S.    government.    In
    
 
                  Statement of Additional Information Page 17
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
addition,  where public information  is available, it may  be less reliable than
such information  regarding  U.S.  issuers. Issuers  of  securities  in  foreign
jurisdictions  are generally not subject to the same degree of regulation as are
U.S.  issuers  with  respect   to  such  matters   as  restrictions  on   market
manipulation,  insider trading rules, shareholder  proxy requirements and timely
disclosure of information.
 
    CURRENCY FLUCTUATIONS. Because  the Fund, under  normal circumstances,  will
invest  a substantial portion of  its total assets in  the securities of foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the U.S. dollar  against such foreign  currencies will account  for part of  the
Fund's investment performance. A decline in the value of any particular currency
against  the U.S. dollar  will cause a decline  in the U.S.  dollar value of the
Fund's holdings  of  securities  and  cash denominated  in  such  currency  and,
therefore,  will cause an overall decline in  the Fund's net asset value and any
net investment  income and  capital gains  derived from  such securities  to  be
distributed  in U.S. dollars to shareholders of the Fund. Moreover, if the value
of the foreign currencies in which  the Fund receives its income falls  relative
to  the  U.S.  dollar between  receipt  of the  income  and the  making  of Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions if  the  Fund  has  insufficient cash  in  U.S.  dollars  to  meet
distribution requirements.
 
The  rate of exchange between the U.S. dollar and other currencies is determined
by several factors including  the supply and  demand for particular  currencies,
central  bank efforts to support particular currencies, the relative movement of
interest rates and  pace of business  activity in the  other countries, and  the
U.S., and other economic and financial conditions affecting the world economy.
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
   
    ADVERSE MARKET CHARACTERISTICS.  Securities of many  foreign issuers may  be
less  liquid and their  prices more volatile than  securities of comparable U.S.
issuers. In  addition,  foreign securities  markets  and brokers  are  generally
subject  to  less governmental  supervision and  regulation  than in  the United
States, and  foreign  securities  transactions  are  usually  subject  to  fixed
commissions,  which  are generally  higher than  negotiated commissions  on U.S.
transactions. In addition,  foreign securities  transactions may  be subject  to
difficulties  associated  with the  settlement of  such transactions.  Delays in
settlement could  result  in temporary  periods  when  assets of  the  Fund  are
uninvested  and no return is  earned thereon. The inability  of the Fund to make
intended security purchases due to settlement  problems could cause the Fund  to
miss  attractive investment opportunities.  Inability to dispose  of a portfolio
security due to settlement  problems either could result  in losses to the  Fund
due  to subsequent declines in  value of the portfolio  security or, if the Fund
has entered  into a  contract to  sell the  security, could  result in  possible
liability to the purchaser. The Sub-adviser will consider such difficulties when
determining  the allocation of the Fund's  assets, although the Sub-adviser does
not believe that such  difficulties will have a  material adverse effect on  the
Fund's portfolio trading activities.
    
 
The  Fund may  use foreign  custodians, which may  involve risks  in addition to
those related to the  use of U.S. custodians.  Such risks include  uncertainties
relating  to: (i) determining and  monitoring the financial strength, reputation
and standing of the foreign  custodian; (ii) maintaining appropriate  safeguards
to  protect the Fund's investments and  (iii) possible difficulties in obtaining
and enforcing judgments against such custodians.
 
    WITHHOLDING TAXES. The Fund's net investment income from foreign issuers may
be subject  to  withholding  taxes  by the  foreign  issuer's  country,  thereby
reducing  the Fund's  net investment  income or  delaying the  receipt of income
where those taxes may be recaptured. See "Taxes."
 
                  Statement of Additional Information Page 18
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
   
The Fund  has  adopted  the  following  investment  limitations  as  fundamental
policies  which (unless otherwise noted) may  not be changed without approval by
the holders of  the lesser  of (i)  67% of the  Fund's shares  represented at  a
meeting  at which more than  50% of the outstanding  shares are represented, and
(ii) more than 50% of the outstanding shares.
    
 
   
The Fund may not:
    
 
   
        (1) Purchase any security if, as a result of that purchase, 25% or  more
    of the Fund's total assets would be invested in securities of issuers having
    their  principal business activities in the  same industry, except that this
    limitation does not  apply to securities  issued or guaranteed  by the  U.S.
    government, its agencies or instrumentalities;
    
 
   
        (2)  Purchase or sell real estate, except that investments in securities
    of issuers that  invest in  real estate and  investments in  mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Fund may exercise rights  under agreements relating to such  securities,
    including  the right to  enforce security interests and  to hold real estate
    acquired by  reason  of such  enforcement  until  that real  estate  can  be
    liquidated in an orderly manner;
    
 
   
        (3)  Purchase or sell  physical commodities, but  the Fund may purchase,
    sell or enter into financial options and futures, forward and spot  currency
    contracts,  swap transactions  and other  financial contracts  or derivative
    instruments;
    
 
   
        (4) Engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (5)  Make loans, except through loans of portfolio securities or through
    repurchase agreements, provided  that for purposes  of this limitation,  the
    acquisition  of bonds, debentures, other  debt securities or instruments, or
    participations or  other interests  therein  and investments  in  government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan;
    
 
   
        (6)  Issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting borrowings) at the time of the borrowing, except that the  Fund
    may  borrow up to  an additional 5%  of its total  assets (not including the
    amount borrowed) for temporary or emergency purposes; or
    
 
   
        (7) Purchase securities or any one issuer if, as a result, more than  5%
    of the Fund's total assets would be invested in securities of that issuer or
    the  Fund  would  own  or  hold more  than  10%  of  the  outstanding voting
    securities of that issuer, except that up to 25% of the Fund's total  assets
    may  be invested  without regard  to this  limitation, and  except that this
    limitation does not  apply to securities  issued or guaranteed  by the  U.S.
    government,  its agencies  or instrumentalities  or to  securities issued by
    other investment companies.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
    
 
   
For purposes  of the  Fund's concentration  policy contained  in limitation  (1)
above,  the Fund intends to  comply with the SEC  staff position that securities
issued or  guaranteed  as  to  principal and  interest  by  any  single  foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
    
 
   
The  following operating policies  of the Fund are  not fundamental policies and
may be changed by  vote of the Company's  Board of Trustees without  shareholder
approval. The Fund may not:
    
 
   
        (1)  Invest in securities of an issuer if the investment would cause the
    Fund to own more than 10% of any class of securities of any one issuer;
    
 
                  Statement of Additional Information Page 19
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
        (2) Invest  in  companies  for  the purpose  of  exercising  control  or
    management;
    
 
   
        (3)  Enter into a futures contract, an  option on a futures contract, or
    an option on foreign currency traded  on a CFTC-regulated exchange, in  each
    case  other than for BONA FIDE hedging purposes (as defined by the CFTC), if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5% of  the liquidation  value of  the Fund's  portfolio, after  taking  into
    account  unrealized profits and unrealized losses  on any contracts the Fund
    has entered into;
    
 
   
        (4) Borrow money  except for  temporary or emergency  purposes (not  for
    leveraging)  not  in excess  of 33  1/3% of  the value  of the  Fund's total
    assets, except  that  the  Fund may  purchase  securities  when  outstanding
    borrowings represent less than 5% of the Fund's assets;
    
 
   
        (5)  Purchase securities  on margin, provided  that the  Fund may obtain
    short-term credits as may  be necessary for the  clearance of purchases  and
    sales  of securities,  and further  provided that  the Fund  may make margin
    deposits in  connection  with its  use  of financial  options  and  futures,
    forward  and spot currency contracts,  swap transactions and other financial
    contracts or derivative instruments; or
    
 
   
        (6) Mortgage, pledge, or  hypothecate any of  its assets, provided  that
    this  shall not apply to  the transfer of securities  in connection with any
    permissible borrowing  or  to  collateral arrangements  in  connection  with
    permissible activities.
    
 
   
Investors should refer to the Prospectus for further information with respect to
the  Fund's investment objective, which may  not be changed without the approval
of the shareholders, and other investment policies, techniques and  limitations,
which may be changed without shareholder approval.
    
 
- --------------------------------------------------------------------------------
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject  to  policies  established  by  the  Company's  Board  of  Trustees, the
Sub-adviser  is  responsible   for  the  execution   of  the  Fund's   portfolio
transactions  and  the  selection  of  brokers  and  dealers  who  execute  such
transactions on behalf  of the  Fund. In executing  portfolio transactions,  the
Sub-adviser  seeks the best net  results for the Fund,  taking into account such
factors as the price  (including the applicable  brokerage commission or  dealer
spread),  size of the order, difficulty  of execution and operational facilities
of the  firm  involved.  Although the  Sub-adviser  generally  seeks  reasonably
competitive  commission rates and  spreads, payment of  the lowest commission or
spread is not necessarily consistent with  the best net results. While the  Fund
may  engage  in soft  dollar arrangements  for  research services,  as described
below, the Fund has  no obligation to  deal with any  broker/dealer or group  of
broker/dealers in the execution of portfolio transactions.
    
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute  the  Fund's portfolio  transactions on  the basis  of the  research and
brokerage services they provide to the  Sub-adviser for its use in managing  the
Fund  and  its other  advisory accounts.  Such  services may  include furnishing
analyses, reports and  information concerning  issuers, industries,  securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance of accounts;  and effecting securities  transactions and  performing
functions  incidental thereto (such  as clearance and  settlement). Research and
brokerage services received  from such brokers  are in addition  to, and not  in
lieu  of,  the  services  required  to be  performed  by  the  Sub-adviser under
investment management and  administration contracts. A  commission paid to  such
brokers  may  be higher  than  that which  another  qualified broker  would have
charged for  effecting  the  same transaction,  provided  that  the  Sub-adviser
determines  in good faith that such commission  is reasonable in terms either of
that particular transaction or the overall responsibility of the Sub-adviser  to
the  Fund and its other clients and that  the total commissions paid by the Fund
will be reasonable in relation to the  benefits it received over the long  term.
Research   services  may  also  be  received   from  dealers  who  execute  Fund
transactions in OTC markets.
    
 
   
The Sub-adviser may allocate brokerage  transactions to broker/dealers who  have
entered  into arrangements under which the  broker/dealer allocates a portion of
the commissions  paid  by the  Fund  toward payment  of  its expenses,  such  as
transfer agent and custodian fees.
    
 
                  Statement of Additional Information Page 20
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
Investment  decisions for the Fund and  for other investment accounts managed by
the Sub-adviser  are made  independently of  each other  in light  of  differing
conditions.  However, the same investment decision  occasionally may be made for
two or more  of such accounts  including the Fund.  In such cases,  simultaneous
transactions  may occur. Purchases  or sales are  then allocated as  to price or
amount in a manner deemed fair and equitable to all accounts involved. While  in
some cases this practice could have a detrimental effect upon the price or value
of  the security as far as the Fund is concerned, in other cases the Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Fund.
    
 
   
Under a policy adopted by  the Company's Board of  Trustees, and subject to  the
policy  of  obtaining  the best  net  results,  the Sub-adviser  may  consider a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser serves as investment  manager in selecting  brokers and dealers  for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The   Fund   contemplates   purchasing  most   foreign   equity   securities  in
over-the-counter markets or stock  exchanges located in  the countries in  which
the  respective principal offices  of the issuers of  the various securities are
located, if that  is the best  available market. The  fixed commissions paid  in
connection  with most such foreign stock  transactions generally are higher than
negotiated commissions on  United States transactions.  There generally is  less
government   supervision  and   regulation  of   foreign  stock   exchanges  and
broker/dealers than in the  United States. Foreign  security settlements may  in
some instances be subject to delays and related administrative uncertainties.
 
Foreign  equity securities may  be held by the  Fund in the  form of ADRs, ADSs,
EDRs, CDRs or securities convertible into foreign equity securities. ADRs, ADSs,
EDRs and CDRs may be listed on stock exchanges, or traded in the OTC markets  in
the  United States or  Europe, as the  case may be.  ADRs, like other securities
traded in the United States, will be subject to negotiated commission rates. The
foreign and domestic debt securities and  money market instruments in which  the
Fund may invest are generally traded in the OTC markets.
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results,  brokerage transactions may be conducted through certain companies that
are affiliates of AIM  or the Sub-adviser. The  Company's Board of Trustees  has
adopted  procedures in conformity with  Rule 17e-1 under the  1940 Act to ensure
that all brokerage commissions paid to affiliates are reasonable and fair in the
context of the market in which they are operating. Any such transactions will be
effected and related compensation  paid only in  accordance with applicable  SEC
regulations.  For the fiscal  years ended October  31, 1997, 1996  and 1995, the
Fund  paid  aggregate  brokerage  commissions  of  $3,274,328,  $3,648,347,  and
$3,307,402, respectively.
    
 
PORTFOLIO TRADING AND TURNOVER
   
The  Fund engages in  portfolio trading when the  Sub-adviser has concluded that
the sale of a security owned by the Fund and/or the purchase of another security
of better value can enhance principal and/or increase income. A security may  be
sold  to avoid  any prospective decline  in market  value, or a  security may be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment  objective, a  security also  may be  sold and  a comparable security
purchased coincidentally in order to take advantage of what is believed to be  a
disparity in the normal yield and price relationship between the two securities.
Although the Fund generally does not intend to trade for short-term profits, the
securities  in  the  Fund's  portfolio will  be  sold  whenever  the Sub-adviser
believes it is  appropriate to do  so, without regard  to the length  of time  a
particular  security  may  have  been  held.  The  portfolio  turnover  rate  is
calculated by dividing the lesser of sales or purchases of portfolio  securities
by   the  Fund's   average  month-end  portfolio   value,  excluding  short-term
investments. The portfolio  turnover rate  will not  be a  limiting factor  when
management  deems  portfolio  changes  appropriate.  Higher  portfolio  turnover
involves correspondingly  greater brokerage  commissions and  other  transaction
costs that the Fund will bear directly, and may result in the realization of net
capital  gains that are taxable when distributed to the Fund's shareholders. For
the fiscal years ended October 31, 1997 and 1996, the Fund's portfolio  turnover
rates were 150% and 104%, respectively.
    
 
                  Statement of Additional Information Page 21
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international GT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended ("the 1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc., since 1988; Director, PremiumWear,
Suite 400                                Inc. (formerly Munsingwear, Inc.) (a casual apparel company), and Director, "R" Homes,
San Francisco, CA 94104                  Inc. and various other companies. Mr. Anderson is also a trustee of each of the other
                                         investment companies registered under the 1940 Act that is sub-advised or sub-administered
                                         by the Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman, C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*  Mr. Guilfoyle is an "interested person" of the Company as defined by the 1940
Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since
Vice President and                1997; Vice President -- Mutual Fund Accounting, the Sub-adviser from
Principal Accounting Officer      1992 to 1997; and Vice President, Putnam Fiduciary Trust Company from
50 California Street              1989 to 1992.
San Francisco, CA 94111
 
Helge K. Lee, 52                  Chief Legal and Compliance Officer -- North America, the Sub-adviser
Vice President                    since October 1997; Executive Vice President of the Asset Management
50 California Street              Division of Liechtenstein Global Trust since October 1996; Senior Vice
San Francisco, CA 94111           President, General Counsel and Secretary of LGT Asset Management, Inc.,
                                  Chancellor LGT, GT Global, GT Services and G.T. Insurance from May 1994
                                  to October 1996; Senior Vice President, General Counsel and Secretary of
                                  Strong/Corneliuson Management, Inc. and Secretary of each of the Strong
                                  Funds from October 1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT.]
    
 
                            ------------------------
 
   
The  Board of Trustees has  a Nominating and Audit  Committee, comprised of Miss
Quigley and Messrs.  Anderson, Bayley  and Patterson, which  is responsible  for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds  and recommending firms  to serve as independent  auditors of the Company.
Each of the Trustees and Officers of  the Company is also a Trustee and  Officer
of  G.T. Investment Portfolios,  GT Global Floating Rate  Fund, GT Global Series
Trust, G.T. Global Growth Series, G.T.  Global Eastern Europe Fund, G.T.  Global
Variable  Investment  Trust,  G.T.  Global  Variable  Investment  Series, Global
Investment Portfolio, Growth Portfolio, Floating Rate Portfolio and Global  High
Income  Portfolio, which also are registered investment companies advised by AIM
and sub-advised by the Sub-adviser. Each Trustee and Officer serves in total  as
a  Trustee and Officer, respectively, of 12 registered investment companies with
47 series managed or administered by AIM and sub-advised and sub-administered by
the Sub-adviser. Each Trustee who is not a director, officer or employee of  the
Sub-adviser  or  any affiliated  company is  paid aggregate  fees of  $5,000 per
annum, plus $300 per Fund for each meeting of the Board attended, and reimbursed
travel and  other  expenses  incurred  in connection  with  attendance  at  such
meetings.  Other  Trustees  and  Officers  receive  no  compensation  or expense
reimbursement from the Company. For the fiscal year ended October 31, 1997,  Mr.
Anderson,  Mr. Bayley,  Mr. Patterson and  Miss Quigley, who  are not directors,
officers or employees  of the  Sub-adviser or any  affiliated company,  received
total  compensation of $38,650, $38,650, $27,850 and $38,650, respectively, from
the Company for their services as Trustees. For the year ended October 31, 1997,
Mr. Anderson,  Mr.  Bayley,  Mr.  Patterson  and  Miss  Quigley  received  total
compensation of $117,304, $114,386, $88,350 and $111,688, respectively, from the
investment  companies  managed  or  administered  by  AIM  and  sub-advised  and
sub-administered by the  Sub-adviser for which  he or she  serves as a  Trustee.
Fees  and expenses  disbursed to  the Trustees  contained no  accrued or payable
pension or retirement benefits. As of January 8, 1998, the Officers and Trustees
and their families as a group owned  in the aggregate beneficially or of  record
less  than 1%  of the  outstanding shares of  the Fund  or of  all the Company's
series in the aggregate.
    
 
                  Statement of Additional Information Page 23
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and AIM. The Sub-adviser serves as the sub-adviser and sub-
administrator to the Fund under  a Sub-Advisory and Sub-Administration  Contract
between  AIM and the  Sub-adviser ("Sub-Management Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Fund  and  administer  the  Fund's  affairs. Among  other  things,  AIM  and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of  the Company  and  the Fund,  and  provide suitable  office space,
necessary small office equipment and utilities.
    
 
   
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's Board  of  Trustees, or  by  the vote  of  a majority  of  the  Fund's
outstanding  voting securities (as defined in the 1940 Act), and (ii) a majority
of Trustees  who are  not parties  to the  Management Contracts  or  "interested
persons"  of any such  party (as defined in  the 1940 Act), cast  in person at a
meeting called  for  the  specific  purpose of  voting  on  such  approval.  The
Management Contracts provide that with respect to the Fund either the Company or
each  of AIM or the Sub-adviser may terminate the Contracts without penalty upon
sixty days'  written  notice  to  the  other  party.  The  Management  Contracts
terminate automatically in the event of their assignment (as defined in the 1940
Act).
    
 
   
For  the  fiscal years  ended October  31, 1997,  1996 and  1995, the  Fund paid
investment management and administration fees to the Sub-adviser in the  amounts
of $3,907,922, $4,883,626 and $5,410,744, respectively.
    
 
Certain   emerging  market   countries  require   a  local   entity  to  provide
administrative services for all direct investments by foreigners. Where required
by local  law,  the Fund  intends  to retain  a  local entity  to  provide  such
administrative  services. The local administrator will be paid a fee by the Fund
for its services.
 
DISTRIBUTION SERVICES
   
The Fund's  Advisor  Class  shares  are offered  through  the  Fund's  principal
underwriter and distributor, AIM Distributors, on a "best efforts" basis without
a sales charge or a contingent deferred sales charge.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The  Transfer  Agent  has  been  retained by  the  Fund  to  perform shareholder
servicing, reporting  and general  transfer agent  functions for  the Fund.  For
these  services, the Transfer Agent receives an annual maintenance fee of $17.50
per account, a new account  fee of $4.00 per account,  a per transaction fee  of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent also is reimbursed by the Fund for its out-of-pocket expenses
for  such  items as  postage, forms,  telephone  charges, stationery  and office
supplies. The Sub-adviser serves as the Fund's pricing and accounting agent. For
the fiscal years ended October 31, 1995,  October 31, 1996 and October 31,  1997
the  Fund paid accounting services fees  to the Sub-adviser of $33,216, $125,349
and $103,144, respectively.
    
 
EXPENSES OF THE FUND
As described  in the  Prospectus, the  Fund pays  all of  its own  expenses  not
assumed  by other parties. These expenses  include, in addition to the advisory,
transfer agency,  pricing and  accounting agency  and brokerage  fees  discussed
above, legal and audit expenses, custodian fees, directors' fees, organizational
fees,  fidelity bond and other insurance premiums, taxes, extraordinary expenses
and expenses  of  reports  and  prospectuses sent  to  existing  investors.  The
allocation  of general Company  expenses and expenses shared  among the Fund and
other funds organized as series of the  Company are allocated on a basis  deemed
fair and equitable, which may be based on the relative net assets of the Fund or
the  nature of  the services performed  and relative applicability  to the Fund.
Expenditures, including costs incurred in  connection with the purchase or  sale
of  portfolio  securities, which  are capitalized  in accordance  with generally
accepted accounting principles applicable to investment companies, are accounted
for as capital items and  not as expenses. The ratio  of the Fund's expenses  to
its  relative net assets can be expected to be higher than the expense ratios of
funds investing solely in domestic securities, since the cost of maintaining the
custody of foreign securities and the rate of investment management fees paid by
the Fund generally are higher than the comparable expenses of such other funds.
 
                  Statement of Additional Information Page 24
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As described in the Prospectus,  the Fund's net asset  value per share for  each
class  of shares  is determined at  the end of  regular trading on  the New York
Stock Exchange ("NYSE") (currently  at 4:00 p.m.  Eastern Time, unless  weather,
equipment  failure or other  factors contribute to an  earlier closing time), on
each Business  Day  as open  for  business. Currently,  the  NYSE is  closed  on
weekends and on certain days relating to the following holidays: New Year's Day,
Martin  Luther King Day,  President's Day, Good Friday,  Memorial Day, July 4th,
Labor Day, Thanksgiving Day and Christmas Day.
    
 
The Fund's portfolio securities and other assets are valued as follows:
 
   
Equity securities, including ADRs, ADSs, CDRs,  GDRs and EDRs, which are  traded
on stock exchanges, are valued at the last sale price on the exchange, or in the
principal over-the-counter market on which such securities are traded, as of the
close  of business on  the day the  securities are being  valued or, lacking any
sales, at the last available bid price. In cases where securities are traded  on
more  than one exchange, the securities are valued on the exchange determined by
the Sub-adviser to be the primary market. Securities and assets for which market
quotations are not readily available (including restricted securities which  are
subject  to limitations as to their sale) are valued at fair value as determined
in good faith by  or under the  direction of the Board  of Trustees. Trading  in
securities on European and Far Eastern securities exchanges and over-the-counter
markets  is normally completed well before the  close of the business day in New
York.
    
 
   
Long-term debt obligations are valued at  the mean of representative quoted  bid
and  asked prices for such  securities or, if such  prices are not available, at
prices for securities of  comparable maturity, quality  and type; however,  when
the  Sub-adviser deems it appropriate, prices  obtained for the day of valuation
from a bond pricing service will  be used. Short-term investments are  amortized
to  maturity based  on their  cost, adjusted  for foreign  exchange translation,
provided such valuations represent fair value.
    
 
   
Options on indices, securities and currencies  purchased by the Fund are  valued
at  their last bid price  in the case of  listed options or, in  the case of OTC
options, at the average of  the last bid prices  obtained from dealers unless  a
quotation  from only one dealer  is available, in which  case only that dealer's
price will be used. The value of  each security denominated in a currency  other
than  U.S.  dollars  will be  translated  into  U.S. dollars  at  the prevailing
exchange rate  as  determined  by  the Sub-adviser  on  that  day.  When  market
quotations  for futures  and options  on futures  held by  the Fund  are readily
available, those positions will be valued based upon such quotations.
    
 
   
Securities and  other  assets  for  which  market  quotations  are  not  readily
available  are valued at fair value as determined  in good faith by or under the
direction of the Company's Board  of Trustees. The valuation procedures  applied
in  any  specific  instance are  likely  to  vary from  case  to  case. However,
consideration generally is  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also generally are considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to  arrive  at the  value  of  the Fund's  total  assets.  The Fund's
liabilities, including  accruals  for  expenses, are  deducted  from  its  total
assets.  Once the total  value of the  Fund's net assets  is so determined, that
value is  then divided  by the  total number  of shares  outstanding  (excluding
treasury  shares), and the result, rounded to  the nearer cent, is the net asset
value per share.
 
   
Any assets or liabilities initially  denominated in terms of foreign  currencies
are translated into U.S. dollars at the official exchange rate or at the mean of
the current bid and asked prices of such currencies against the U.S. dollar last
quoted  by a major  bank that is  a regular participant  in the foreign exchange
market or on the basis of a  pricing service that takes into account the  quotes
provided  by a  number of such  major banks.  If none of  these alternatives are
available or none are deemed to provide a suitable methodology for converting  a
foreign  currency into U.S.  dollars, the Board  of Trustees in  good faith will
establish a conversion rate for such currency.
    
 
                  Statement of Additional Information Page 25
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
   
Securities trading in emerging markets may not  take place on all days on  which
the  NYSE is open. Further,  trading takes place in  Japanese markets on certain
Saturdays and in various foreign markets on days on which the NYSE is not  open.
Consequently,  the calculation of the Fund's  net asset values therefore may not
take place contemporaneously with the determination of the prices of  securities
held by the Fund. Events affecting the values of portfolio securities that occur
between the time their prices are determined and the close of regular trading on
the  NYSE  will  not be  reflected  in the  Fund's  net asset  value  unless the
Sub-adviser,  under  the  supervision  of  the  Company's  Board  of   Trustees,
determines that the particular event would materially affect net asset value. As
a  result, the  Fund's net  asset value  may be  significantly affected  by such
trading on days when a shareholder cannot provide or redeem the Fund.
    
 
- --------------------------------------------------------------------------------
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment of Advisor Class shares  purchased should accompany the purchase  order,
or  funds should be wired to the  Transfer Agent as described in the Prospectus.
Payment for Fund shares, other than by  wire transfer, must be made by check  or
money order drawn on a U.S. bank. Checks or money orders must be payable in U.S.
dollars.
 
As a condition of this offering, if an order to purchase Advisor Class shares is
cancelled  due to nonpayment (for example, because  a check is returned for "not
sufficient funds"), the person  who made the order  will be responsible for  any
loss  incurred by the Fund by reason of such cancellation, and if such purchaser
is a shareholder, the Fund shall have the authority as agent of the  shareholder
to redeem shares in his or her account at their then-current net asset value per
share  to reimburse  the Fund  for the  loss incurred.  Investors whose purchase
orders have been  cancelled due  to nonpayment  may be  prohibited from  placing
future orders.
 
The  Fund  reserves the  right  at any  time to  waive  or increase  the minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons.  An order to purchase shares  is not binding on  the
Fund  until it  has been confirmed  in writing  by the Transfer  Agent (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders,  the Fund reserves the right to reject any offer for a purchase of
shares by any individual.
 
SALES OUTSIDE THE UNITED STATES
Sales of Fund shares made through brokers  outside the United States will be  at
net  asset value plus a sales commission,  if any, established by that broker or
by local law.
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAs") AND OTHER TAX-DEFERRED PLANS
 
   
IRAs: If you have earned income from employment (including self-employment), you
can contribute each year to an IRA up  to the lesser of (1) $2,000 for  yourself
or  $4,000  for  you and  your  spouse,  regardless of  whether  your  spouse is
employed, or (2) 100% of compensation. Some  individuals may be able to take  an
income tax deduction for the contribution. Regular contributions may not be made
for  the  year you  become 70  1/2  or thereafter.  Effective for  taxable years
beginning after 1997,  unless you and  your spouse's earnings  exceed a  certain
level,  you may also establish an "Education  IRA" and/or a "Roth IRA." Although
contributions to these  new types  of IRAs are  nondeductible, withdrawals  from
them  will  be tax-free  under certain  circumstances.  Please consult  your tax
advisor for more information. IRA applications are available from brokers or AIM
Distributors.
    
 
ROLLOVER IRAs: Individuals who  receive distributions from qualified  retirement
plans  (other than  required distributions) and  who wish to  keep their savings
growing  tax-deferred  can  rollover  (or  make  a  direct  transfer  of)  their
distribution  to a  Rollover IRA. These  accounts can also  receive rollovers or
transfers from an existing  IRA. If an "eligible  rollover distribution" from  a
qualified  employer-sponsored retirement plan is not  directly rolled over to an
IRA (or  certain  qualified plans),  withholding  at the  rate  of 20%  will  be
required  for federal income tax purposes.  A distribution from a qualified plan
that is not an "eligible  rollover distribution," including a distribution  that
is  one  of a  series  of substantially  equal  periodic payments,  generally is
subject to regular wage withholding or withholding at the rate of 10% (depending
on the type and amount  of the distribution), unless you  elect not to have  any
withholding apply. Please consult your tax advisor for more information.
 
                  Statement of Additional Information Page 26
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
SEP-IRAs:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans  but   with  fewer  administrative   requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(b)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(k))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either as separate IRAs or as part of a Code Section 401(k)
plan. SIMPLEs are not  subject to the  complicated nondiscrimination rules  that
generally apply to qualified retirements plans.
 
EXCHANGES BETWEEN FUNDS
Shares  of the Fund  may be exchanged  for shares of  the corresponding class of
other GT Global Mutual Funds, based on their respective net asset values without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical.  The exchange privilege is not an  option or right to purchase shares
but is permitted under the current  policies of the respective GT Global  Mutual
Funds.  The privilege may be discontinued or changed at any time by any of those
funds upon sixty days'  written notice to  the shareholders of  the fund and  is
available  only  in  states  where  the exchange  may  be  made  legally. Before
purchasing shares through the exercise of the exchange privilege, a  shareholder
should  obtain and read a copy of the prospectus of the fund to be purchased and
should consider its investment objective(s).
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s),  and,  in the  case of  a  corporation, the  corporate seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic bank or savings institution if the proceeds are at least $500. Costs in
connection  with  the administration  of this  service, including  wire charges,
currently are borne by the  Fund. Proceeds of less than  $500 will be mailed  to
the  shareholder's registered address of record. The Fund and the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The  Fund may suspend redemption privileges or  postpone the date of payment for
more than seven days after a redemption order is received during any period  (1)
when  the NYSE is closed  other than customary weekend  and holiday closings, or
trading on the NYSE is restricted as directed by the SEC, (2) when an  emergency
exists,  as defined by the SEC, which make it not reasonably practicable for the
Fund to dispose of securities  owned by it or fairly  to determine the value  of
its assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board of Trustees, make it undesirable for the Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be made  in portfolio  securities or other  property of  the Fund,  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  the  Fund  will  pay in  cash  all  requests for  redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the lesser of $250,000 or 1% of the net asset value  of
the  Fund at the beginning of such  period. This election will be irrevocable so
long as Rule 18f-1 remains in effect,  unless the SEC by order upon  application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To  continue to qualify for treatment  as a regulated investment company ("RIC")
under the Internal Revenue Code of 1986, as amended (the "Code"), the Fund  must
distribute  to  its shareholders  for  each taxable  year  at least  90%  of its
investment company  taxable  income  (consisting  generally  of  net  investment
income,  net short-term capital gain and net gains from certain foreign currency
transactions) ("Distribution  Requirement")  and must  meet  several  additional
requirements. These requirements include the following: (1) the Fund must derive
at  least 90% of  its gross income  each taxable year  from dividends, interest,
payments with  respect to  securities loans  and gains  from the  sale or  other
disposition  of  securities or  foreign currencies,  or other  income (including
gains from options, Futures  or Forward Contracts) derived  with respect to  its
business  of investing in securities or those currencies ("Income Requirement");
(2) at the close of each quarter of the Fund's taxable year, at least 50% of the
value of its  total assets  must be  represented by  cash and  cash items,  U.S.
government securities, securities of other RICs and other securities, with these
other  securities limited, in respect of any  one issuer, to an amount that does
not exceed  5% of  the  value of  the  Fund's total  assets  and that  does  not
represent  more than 10% of the  issuer's outstanding voting securities; and (3)
at the close of each  quarter of the Fund's taxable  year, not more than 25%  of
the  value of its  total assets may  be invested in  securities (other than U.S.
government securities or the securities of other RICs) of any one issuer.
 
Dividends and  other distributions  declared  by the  Fund  in, and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion of  the dividends from  the Fund's investment  company taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be aware that if shares are purchased shortly before the record date
for any dividend or other distribution, the shareholder will pay full price  for
the shares and receive some portion of the price back as a taxable distribution.
 
The  Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year substantially  all
of  its  ordinary income  for  that year  and capital  gain  net income  for the
one-year period ending on October 31 of that year, plus certain other amounts.
 
FOREIGN TAXES
Dividends and interest received by the Fund, and gains realized thereby, may  be
subject  to income, withholding or other  taxes imposed by foreign countries and
U.S. possessions  ("foreign taxes")  that would  reduce the  yield and/or  total
return  on its  securities. Tax  conventions between  certain countries  and the
United States may reduce or eliminate  foreign taxes, however, and many  foreign
countries  do not  impose taxes  on capital gains  in respect  of investments by
foreign investors. If more than 50% of  the value of the Fund's total assets  at
the  close of its  taxable year consists of  securities of foreign corporations,
the Fund  will be  eligible to,  and may,  file an  election with  the  Internal
Revenue  Service that  will enable its  shareholders, in effect,  to receive the
benefit of the foreign tax credit with respect to any foreign taxes paid by  it.
Pursuant  to the election, the Fund would treat those taxes as dividends paid to
its shareholders and each shareholder would be required to (1) include in  gross
income,  and treat as paid by him, his share of those taxes, (2) treat his share
of those taxes and of any dividend paid by the Fund that represents income  from
foreign  and U.S. possessions sources  as his own income  from those sources and
(3) either deduct the taxes deemed paid  by him in computing his taxable  income
or,  alternatively, use the foregoing information in calculating the foreign tax
credit against his federal income tax. The Fund will report to its  shareholders
shortly  after each taxable  year their respective shares  of the Fund's foreign
taxes and income from sources within,  and taxes paid to, foreign countries  and
U.S.  possessions if it makes this election. Pursuant to the Taxpayer Relief Act
of 1997 ("Tax Act"), individuals  who have no more  than $300 ($600 for  married
persons  filing jointly) of  creditable foreign taxes included  on Form 1099 and
all of whose foreign source income is "qualified passive income" may elect  each
 
                  Statement of Additional Information Page 28
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
year  to be exempt from the  extremely complicated foreign tax credit limitation
and will  be able  to claim  a foreign  tax credit  without having  to file  the
detailed Form 1116 that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The  Fund  may invest  in the  stock of  "passive foreign  investment companies"
("PFICs"). A PFIC is a foreign  corporation -- other than a "controlled  foreign
corporation"  (I.E.,  a foreign  corporation  in which,  on  any day  during its
taxable year,  more than  50% of  the total  voting power  of all  voting  stock
therein  or the total value of all  stock therein is owned, directly, indirectly
or constructively, by  "U.S. shareholders,"  defined as U.S.  persons that  own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which  the Fund is a U.S. shareholder  (effective for its taxable year beginning
November 1, 1998) -- that, in general, meets either of the following tests:  (1)
at least 75% of its gross income is passive or (2) an average of at least 50% of
its  assets produce, or  are held for  the production of,  passive income. Under
certain circumstances,  the Fund  will be  subject to  federal income  tax on  a
portion  of  any "excess  distribution" received,  on  or of  any gain  from the
disposition of,  stock of  a PFIC  (collectively "PFIC  income"), plus  interest
thereon,  even if the Fund distributed the  PFIC income as a taxable dividend to
its shareholders. The balance of the PFIC income will be included in the  Fund's
investment  company taxable income and, accordingly,  will not be taxable to the
Fund to the extent it distributes that income to its shareholders.
 
If the Fund  invests in  a PFIC and  elects to  treat the PFIC  as a  "qualified
electing  fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and interest
obligation, the Fund would be  required to include in  income each year its  pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of  net long-term capital gain  over net short-term capital  loss) -- which most
likely would have  to be  distributed by the  Fund to  satisfy the  Distribution
Requirement  and to avoid imposition of the Excise Tax -- even if those earnings
and gain were not received by the Fund  from the QEF. In most instances it  will
be  very difficult, if not impossible, to  make this election because of certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark to market" its  stock in any PFIC.  "Marking-to-Market," in this  context,
means  including in ordinary income each taxable year the excess, if any, of the
fair market value of the stock over the Fund's adjusted basis therein as of  the
end  of that year.  Pursuant to the election,  the Fund also  will be allowed to
deduct (as an ordinary, not capital, loss)  the excess, if any, of its  adjusted
basis  in  PFIC stock  over  the fair  market value  thereof  as of  the taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that stock included in income  by the Fund for  prior taxable years. The  Fund's
adjusted  basis in each PFIC's stock subject to the election will be adjusted to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations  proposed in 1992  would provide a similar  election with respect to
the stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends paid by the Fund to a shareholder  who, as to the United States, is  a
nonresident  alien individual, nonresident alien fiduciary of a trust or estate,
foreign corporation  or foreign  partnership ("foreign  shareholder")  generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder  that is "effectively connected with the  conduct of a U.S. trade or
business," in which case the  reporting and withholding requirements  applicable
to  domestic shareholders will apply. A distribution  of net capital gain by the
Fund to a foreign shareholder generally  will be subject to U.S. federal  income
tax  (at the rates applicable  to domestic persons) only  if the distribution is
"effectively connected"  or the  foreign shareholder  is treated  as a  resident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options  and Futures and entering into Forward Contracts, involves complex rules
that will determine, for federal income tax purposes, the amount, character  and
timing  of recognition of the  gains and losses the  Fund realizes in connection
therewith. Gains  from the  disposition of  foreign currencies  (except  certain
gains  that  may be  excluded by  future regulations),  and gains  from options,
Futures and Forward Contracts derived by  the Fund with respect to its  business
of  investing in securities  or foreign currencies,  will qualify as permissible
income under the Income Requirement.
 
Futures and  Forward Contracts  that are  subject to  section 1256  of the  Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and  that are  held by  the  Fund at  the end  of its  taxable  year
generally  will be deemed to  have been sold at  market value for federal income
tax purposes. Sixty percent of any net  gain or loss recognized on these  deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256  Contracts, will  be treated  as long-term  capital gain  or loss,  and the
balance will be treated as  short-term capital gain or loss.  As of the date  of
preparation  of this  Statement of  Additional Information,  it is  not entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the  15%
marginal  tax bracket) for gain recognized on  capital assets held for more than
18 months -- instead of  the 28% rate in  effect before that legislation,  which
now applies to gain recognized on capital assets held for more than one year but
not more than
 
                  Statement of Additional Information Page 29
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
18  months, although  technical corrections legislation  passed by  the House of
Representatives late in 1997 would treat it as qualifying therefor.
 
Section 988 of the Code also may apply to gains and losses from transactions  in
foreign  currencies, foreign  currency-denominated debt  securities and options,
Futures and Forward  Contracts on  foreign currencies ("Section  988" gains  and
losses).  Each Section  988 gain  or loss  generally is  computed separately and
treated as ordinary income or loss. In the case of overlap between sections 1256
and 988, special provisions  determine the character and  timing of any  income,
gain  or loss. The Fund attempts to monitor section 988 transactions to minimize
any adverse tax impact.
 
If the Fund has  an "appreciated financial position"  -- generally, an  interest
(including  an interest through an option,  Futures or Forward Contract or short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership interest the fair market value  of which exceeds its adjusted  basis
- --  and enters into a  "constructive sale" of the  same or substantially similar
property, the Fund will be treated as  having made an actual sale thereof,  with
the  result  that gain  will be  recognized  at that  time. A  constructive sale
generally consists of a short sale, an offsetting notional principal contract or
Futures or Forward Contract entered  into by the Fund  or a related person  with
respect  to  the same  or substantially  similar property.  In addition,  if the
appreciated financial  position is  itself  a short  sale  or such  a  contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The  foregoing  is a  general  and abbreviated  summary  of certain  federal tax
considerations affecting the Fund and  its shareholders. Investors are urged  to
consult their own tax advisers for more detailed information and for information
regarding  any  foreign,  state  and  local  taxes  applicable  to distributions
received from the Fund.
 
- --------------------------------------------------------------------------------
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
   
AIM was organized in 1976, and  along with its subsidiaries, manages or  advises
over  50 investment company portfolios encompassing  a broad range of investment
objectives. AIM is a direct, wholly owned  subsidiary of A I M Management  Group
Inc.  ("AIM  Management"),  a  holding  company that  has  been  engaged  in the
financial services  business since  1976. AIM  is the  sole shareholder  of  the
Funds'  principal underwriter, AIM  Distributors. AIM Management  is an indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England. AMVESCAP  PLC  and  its  subsidiaries  are  an  independent  investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
[Worldwide   asset  management  affiliates  also   currently  include  GT  Asset
Management PLC, in London, England; GT Asset Management, Ltd., in Hong Kong;  GT
Asset Management Ltd., in Tokyo; GT Asset Management Pte. Ltd., in Singapore; GT
Asset Management Ltd., in Sydney; and GT Asset Management GmbH, in Frankfurt.]
    
 
CUSTODIAN
State  Street  Bank and  Trust Company  ("State  Street"), 225  Franklin Street,
Boston, MA  02110, acts  as custodian  of  the Fund's  assets. State  Street  is
authorized  to  establish  and  has  established  separate  accounts  in foreign
currencies and to cause securities of the  Fund to be held in separate  accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The  Fund's independent accountants are                , One Post Office Square,
Boston, MA 02109.               will conduct an annual audit of the Fund, assist
in the  preparation of  the Fund's  federal  and state  income tax  returns  and
consult  with the Company and  the Fund as to  matters of accounting, regulatory
filings, and federal and state income taxation.
    
 
   
The audited financial statements  of the Company included  in this Statement  of
Additional  Information have been examined by               , as stated in their
opinion appearing herein and  are included in reliance  upon such opinion  given
upon the authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The  Sub-adviser  has granted  the Company  the right  to use  the "GT"  and "GT
Global" names and has reserved the right  to withdraw its consent to the use  of
such  names by the Company  and/or the Fund at  any time or to  grant the use of
such names to any other company.
    
 
                  Statement of Additional Information Page 30
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
   
STANDARDIZED  RETURNS The Fund's  "Standardized Returns," as  referred to in the
Prospectus  (see  "Other   Information  --  Performance   Information"  in   the
Prospectus),  are calculated separately for Class  A and Advisor Class shares of
the Fund, as follows: Standardized Return (average annual total return ("T")) is
computed by using the ending redeeming  value ("ERV") of a hypothetical  initial
investment  of  $1,000 ("P")  over  a period  of  years ("n")  according  to the
following formula as required by the SEC:  P(1+T) to the (n)th power = ERV.  The
following  assumptions will be reflected in computations made in accordance with
this formula: (1) for Class A shares,  deduction of the maximum sales charge  of
4.75% from $1,000 initial investment; (2) for Advisor Class shares, deduction of
a  sales  charge is  not  applicable; (3)  reinvestment  of dividends  and other
distributions at net  asset value  on the  reinvestment date  determined by  the
Company's  Board of Trustees;  and (4) a  complete redemption at  the end of any
period illustrated.
    
 
The Standardized Returns for the Class A  and Advisor Class shares of the  Fund,
stated as average annualized total returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                  EMERGING
                                                                                  MARKETS       EMERGING
                                                                                    FUND         MARKETS
                                                                                   (CLASS         FUND
PERIOD                                                                               A)      (ADVISOR CLASS)
- --------------------------------------------------------------------------------  --------   ---------------
<S>                                                                               <C>        <C>
Fiscal year ended Oct. 31, 1997.................................................   (18.52)%       (14.05)%
June 1, 1995 (commencement of operations) through Oct. 31, 1997.................      n/a          (6.97)%
Oct. 31, 1992 through Oct. 31, 1997.............................................     2.30%           n/a
</TABLE>
 
NON-STANDARDIZED  RETURNS In addition to Standardized Returns, the Fund also may
include in advertisements, sales literature and shareholder reports other  total
return  performance data ("Non-Standardized Return"). Non-Standardized Return is
calculated separately for Class A, Class B and Advisor Class shares of the  Fund
and  may be calculated according to several different formulas. Non-Standardized
Returns may  be  quoted  for  the  same or  different  time  periods  for  which
Standardized  Returns are quoted.  Non-Standardized Returns may  or may not take
sales charges  into  account; performance  data  calculated without  taking  the
effect  of sales  charges into  account will be  higher than  data including the
effect of such charges. Advisor Class shares are not subject to sales charges.
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to the following  formula: T =  (VOA/P)-1. Aggregate Non-Standardized
Return assumes reinvestment of dividends and other distributions.
 
The aggregate Non-Standardized Returns (not  taking sales charges into  account)
for  the Class A and Advisor Class shares of the Fund, stated as aggregate total
returns for the periods shown, were:
 
<TABLE>
<CAPTION>
                                                                                  EMERGING
                                                                                  MARKETS       EMERGING
                                                                                    FUND         MARKETS
                                                                                   (CLASS         FUND
PERIOD                                                                               A)      (ADVISOR CLASS)
- --------------------------------------------------------------------------------  --------   ---------------
<S>                                                                               <C>        <C>
April 1, 1993 (commencement of operations) through Oct. 31, 1997................      n/a            n/a
May 18, 1992 (commencement of operations) through Oct. 31, 1997.................    14.32%           n/a
June 1, 1995 (commencement of operations) through Oct. 31, 1997.................      n/a         (16.03)%
</TABLE>
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO EMERGING EQUITY AND BOND MARKETS
   
The Fund and  AIM Distributors may  from time to  time in advertisements,  sales
literature and reports furnished to present or prospective shareholders, compare
the Fund with the following, among others:
    
 
        (1)  The Consumer Price Index ("CPI"), which is a measure of the average
    change in prices over time  in a fixed market  basket of goods and  services
    (e.g.,  food, clothing,  shelter, fuels,  transportation fares,  charges for
    doctors' and dentists' services, prescription medicines, and other goods and
    services that people  buy for  day-to-day living). There  is inflation  risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
                  Statement of Additional Information Page 31
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
        (2)  Data  and  mutual fund  rankings  published or  prepared  by Lipper
    Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger  Investment
    Company  Service  ("CDA/Wiesenberger"),  Morningstar,  Inc. ("Morningstar"),
    Micropal, Inc. and/or other companies that rank and/or compare mutual  funds
    by  overall  performance,  investment  objectives,  assets,  expense levels,
    periods of existence and/or  other factors. In this  regard the Fund may  be
    compared  to  its  "peer  group"  as  defined  by  Lipper, CDA/Wiesenberger,
    Morningstar and/or other firms as applicable, or to specific funds or groups
    of funds within or outside of such peer group. Lipper generally ranks  funds
    on  the basis of  total return, assuming  reinvestment of distributions, but
    does not take sales  charges or redemption fees  into consideration, and  is
    prepared  without regard to tax consequences. In addition to the mutual fund
    rankings, the Fund's performance may be compared to mutual fund  performance
    indices prepared by Lipper. Morningstar is a mutual fund rating service that
    also   rates  mutual  funds  on  the  basis  of  risk-adjusted  performance.
    Morningstar ratings are calculated  from a fund's three,  five and ten  year
    average  annual returns with  appropriate fee adjustments  and a risk factor
    that reflects fund  performance relative  to the  three-month U.S.  Treasury
    bill  monthly returns.  Ten percent of  the funds in  an investment category
    receive five stars and 22.5% receive four stars. The ratings are subject  to
    change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's  "500" Index, which is  a widely recognized  index
    composed  of the capitalization-weighted average of  the price of 500 of the
    largest publicly traded stocks in the U.S.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index ("EAFE Index").  The EAFE  index is an  unmanaged index  of more  than
    1,000 companies in Europe, Australia and the Far East.
 
        (9)  Morgan Stanley Capital  International All Country  (AC) World index
    ("MSCI"). The  MSCI is  a broad,  unmanaged index  of global  stock  prices,
    currently  comprising 2,500 different issuers,  located in 47 countries, and
    grouped in 38 separate industries.
 
       (10) Salomon Brothers  World Government Bond  Index and Salomon  Brothers
    World  Government Bond Index-Non-U.S., each of  which is a widely used index
    composed of world government bonds.
 
       (11) The  World  Bank  Publication  of  Trends  in  Developing  Countries
    ("TIDE")  which provides brief reports on most of the World Bank's borrowing
    members. The World  Development Report  is published annually  and looks  at
    global   and  regional  economic  trends  and  their  implications  for  the
    developing economies.
 
       (12) Salomon Brothers Global Telecommunications Index, which is  composed
    of telecommunications companies in the developing and emerging countries.
 
       (13)  Datastream and  Worldscope, each  of which  is an  on-line database
    retrieval service  for information,  including international  financial  and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15) Various publications and reports produced by the World Bank and  its
    affiliates.
 
       (16)  Various publications from the International Bank for Reconstruction
    and Development.
 
       (17) Various publications  produced by ratings  agencies such as  Moody's
    Investor  Services, Inc. ("Moody's"),  Standard & Poor's,  a division of The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18) Wilshire Associates, which is an on-line database for  international
    financial  and economic data including performance  measure for a wide range
    of securities.
 
       (19) Bank Rate National Monitor Index, which is an average of the  quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
                  Statement of Additional Information Page 32
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
       (20)  International  Finance  Corporation ("IFC")  Emerging  Markets Data
    Base, which  provides detailed  statistics on  stock markets  in  developing
    countries.
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development (OECD).
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various  financial  organizations,  such  as  Salomon  Brothers,  Inc.,   Lehman
Brothers,  Merrill Lynch, Pierce, Fenner & Smith, Financial Research Corporation
Inc. J. P. Morgan, Morgan Stanley, Smith Barney Shearson, S.G. Warburg,  Jardine
Flemming,  The  Bank  for  International  Settlements,  Asian  Development Bank,
Bloomberg, L.P.  and Ibbotson  Associates may  be used  as well  as  information
reported  by the  Federal Reserve  and the  respective Central  Banks of various
nations. In addition, AIM Distributors may use performance rankings, ratings and
commentary reported periodically in  national financial publications,  including
Money  Magazine, Mutual Fund  Magazine, Smart Money,  Global Finance, EuroMoney,
Financial World, Forbes, Fortune, Business Week, Latin Finance, The Wall  Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's, The  Financial Times,  USA  Today, The  New  York Times,  Far  Eastern
Economic  Review, The  Economist and  Investors Business  Digest. Each  Fund may
compare its performance to that of  other compilations or indices of  comparable
quality  to those listed above and other  indices that may be developed and made
available in the future.
    
 
   
Information  relating  to   foreign  market   performance,  capitalization   and
diversification  is based on sources believed to  be reliable but may be subject
to revision  and  has  not  been  independently verified  by  the  Fund  or  AIM
Distributors.  The  authors  and  publishers  of such  material  are  not  to be
considered as "experts" under the 1933 Act, on account of the inclusion of  such
information herein.
    
 
A  portion of the performance  figures for each market  includes the positive or
negative effects of the currency exchange rates effective at December 31 of each
year between the U.S. dollar and currency of the foreign market (e.g.,  Japanese
Yen,  German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that has
strengthened or weakened against the  U.S. dollar will positively or  negatively
affect the reported returns, as the case may be.
 
GT  Global believes that this information may be useful to investors considering
whether and to what extent to  diversify their investments through the  purchase
of mutual funds investing in securities on a global basis. However, this data is
not a representation of the past performance of the Fund, nor is it a prediction
of  such  performance.  The  performance  of  the  Funds  will  differ  from the
historical performance of relevant indices. The performance of indices does  not
take  expenses into account, while each  Fund incurs expenses in its operations,
which will reduce performance. Each of these factors will cause the  performance
of each Fund to differ from relevant indices.
 
From  time  to  time,  the  Fund  and GT  Global  may  refer  to  the  number of
shareholders in  the Fund  or the  aggregate number  of shareholders  in all  GT
Global  Mutual Funds  or the  dollar amount of  Fund assets  under management or
rankings by DALBAR Surveys, Inc. in advertising materials.
 
   
AIM Distributors believes the  Fund is an  appropriate investment for  long-term
investment   goals,  including  funding  retirement,  paying  for  education  or
purchasing  a  house.  GT  Global  may  provide  information  designed  to  help
individuals  understand  their investment  goals  and explore  various financial
strategies. For example, GT Global may describe general principles of investing,
such as asset allocation, diversification and risk tolerance. The Fund does  not
represent  a complete investment program and  investors should consider the Fund
as appropriate for a portion of  their overall investment portfolio with  regard
to  their  long-term  investment goals.  There  is  no assurance  that  any such
information will lead to achieving these goals or guarantee future results.
    
 
   
From time to time, AIM Distributors may refer to or advertise the names of  U.S.
and  non-U.S. companies and  their products, although there  can be no assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns  of the capital  markets in the United  States, including common stocks,
small  capitalization  stocks,  long-term  corporate  bonds,   intermediate-term
government  bonds, long-term government bonds, Treasury  bills, the U.S. rate of
inflation (based on the CPI), and  combinations of various capital markets.  The
performance  of  these capital  markets  is based  on  the returns  of different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to demonstrate  general  risk-versus-reward  investment  scenarios.  Performance
comparisons  may also include the  value of a hypothetical  investment in any of
 
                  Statement of Additional Information Page 33
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
these capital  markets. The  risks associated  with the  security types  in  any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Funds.
 
The Fund may quote various measures of volatility and benchmark correlation such
as  beta, standard  deviation and  R in advertising.  In addition,  the fund may
compare these measures to those of  other funds. Measures of volatility seek  to
compare  the Fund's historical share price  fluctuation or total return to those
of a benchmark.
 
The Fund may  advertise examples of  the effects of  periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low.  While such a strategy does not assure  a profit or guard against loss in a
declining market, the  investor's average cost  per share can  be lower than  if
fixed  numbers of shares are purchased at the same intervals. In evaluating such
a plan, investors should  consider their ability  to continue purchasing  shares
through periods of low price levels.
 
The  Fund may describe in its sales  material and advertisements how an investor
may invest in GT Global Mutual  Funds through various retirement plans or  other
programs that offer deferral of income taxes on investment earnings and pursuant
to  which  an  investor  may make  deductible  contributions.  Because  of their
advantages, these retirement plans and programs may produce returns superior  to
comparable non-retirement investments. For example, a $10,000 investment earning
a  taxable return of 10% annually would have an after-tax value of $17,976 after
ten years, assuming tax was deducted from the return each year at a 39.6%  rate.
An  equivalent tax-deferred investment would have  an after-tax value of $19,626
after ten years, assuming  tax was deducted  at a 39.6%  rate from the  deferred
earnings   at  the   end  of  the   ten-year  period.  In   sales  material  and
advertisements, the  Fund  may  also  discuss  these  plans  and  programs.  See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM  Distributors may from time  to time in its  sales materials and advertising
discuss the risks inherent in investing. The major types of investment risk  are
market  risk, industry risk, credit risk, interest rate risk and inflation risk.
Risk represents the possibility that you may lose some or all of your investment
over a period of time. A basic  tenet of investing is the greater the  potential
reward, the greater the risk.
    
 
   
From  time  to  time,  the  Fund and  AIM  Distributors  will  quote information
regarding industries, individual countries, regions, world stock exchanges,  and
economic   and  demographic  statistics  from  sources  AIM  Distributors  deems
reliable, including the economic and  financial data of financial  organizations
such as:
    
 
 1) Stock  market  capitalization:  Morgan Stanley  Capital  International World
    Indices, IFC and Datastream.
 
 2) Stock market trading volume:  Morgan Stanley Capital International  Industry
    Indices and IFC.
 
 3) The  number of  listed companies: IFC,  G.T. Guide to  World Equity Markets,
    Salomon Brothers, Inc. and S.G. Warburg.
 
 4) Wage rates: U.S. Department of  Labor Statistics and Morgan Stanley  Capital
    International World Indices.
 
 5) International  industry  performance: Morgan  Stanley  Capital International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock  market  performance:  Morgan  Stanley  Capital  International   World
    Indices, IFC and Datastream.
 
 7) The  Consumer Price Index and inflation rate: The World Bank, Datastream and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry or market: IFC, G.T. Guide to World
    Equity Markets, Salomon Brothers Inc. and S.G. Warburg.
 
15) Foreign direct  investments  to developing  countries:  The World  Bank  and
    Datastream.
 
16) Supply,  consumption,  demand  and  growth in  demand  of  certain products,
    services and industries, including, but not limited to, electricity,  water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources  of such information may include, but  would not be limited to, The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
                  Statement of Additional Information Page 34
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
17) Standard deviation and performance returns for U.S. and non-U.S. equity  and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries  restructuring their debt,  including those under  the Brady Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government and  corporate bonds  -- credit  ratings, yield  to maturity  and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time to time, AIM Distributors may include in its advertisements and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
   
In  advertising and sales  materials, AIM Distributors may  make reference to or
discuss its products, services and accomplishments. Among these  accomplishments
are  that in 1983 the Sub-adviser provided  assistance to the government of Hong
Kong in  linking its  currency to  the U.S.  dollar, and  that in  1987  Japan's
Ministry  of  Finance licensed  GT Asset  Management  Ltd. as  one of  the first
foreign  discretionary  investment   managers  for   Japanese  investors.   Such
accomplishments,  however,  should  not  be  viewed  as  an  endorsement  of the
Sub-adviser by the government of Hong  Kong, Japan's Ministry of Finance or  any
other  government or government  agency. Nor do any  such accomplishments of the
Sub-adviser provide any assurance  that the GT  Global Mutual Funds'  investment
objectives will be achieved.
    
 
   
[GT GLOBAL ADVANTAGE
    
As  part of Liechtenstein Global Trust,  GT Global continues a 75-year tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine  offices  worldwide,  we  witness world  events  and  economic developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The key to achieving  consistent results is  following a disciplined  investment
process.  Our  approach  to  asset allocation  takes  advantage  of  GT Global's
worldwide  presence  and  global  perspective.  Our  "macroeconomic"   worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up  process  of  security selection  combines  fundamental  research with
quantitative analysis through our proprietary models.
 
Built-in checks  and balances  strengthen  the process,  enhancing  professional
experience  and judgment with an objective  assessment of risk. Ultimately, each
security we select has  passed a ranking system  that helps our portfolio  teams
determine  when to buy and when to sell.  With respect to stocks, a global stock
research ("GSR") database developed  by GT Global is  utilized in the  selection
process.  All stocks  within the GSR  database are systematically  ranked by our
analysts on a  1-5 basis  with 1 representing  the most  favored. The  rankings,
along  with our quantitative,  fundamental research, determine  which stocks are
bought and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
                  Statement of Additional Information Page 35
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
 
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by various entities from "Aaa" to "C." Investment grade ratings are as the first
four categories:
 
        Aaa  -- Bonds which are rated Aaa are  judged to be of the best quality.
    They carry the smallest degree of investment risk and are generally referred
    to as "gilt  edged." Interest payments  are protected  by a large  or by  an
    exceptionally  stable  margin and  principal  is secure.  While  the various
    protective elements are likely to change, such changes as can be  visualized
    are  most  unlikely  to impair  the  fundamentally strong  position  of such
    issues.
 
        Aa -- Bonds which are rated Aa are  judged to be of high quality by  all
    standards.  Together with  the Aaa  group they  comprise what  are generally
    known as high grade bonds. They are rated lower than the best bonds  because
    margins  of  protection  may  not  be  as  large  as  in  Aaa  securities or
    fluctuation of protective elements may be of greater amplitude or there  may
    be  other elements  present which  make the  long-term risk  appear somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes  and  are  to be  considered  as  upper-medium-grade obligations.
    Factors giving security to principal  and interest are considered  adequate,
    but  elements may  be present which  suggest a  susceptibility to impairment
    some time in the future.
 
        Baa --  Bonds  which  are  rated  Baa  are  considered  as  medium-grade
    obligations,  (i.e., they are neither  highly protected nor poorly secured).
    Interest payments and principal security appear adequate for the present but
    certain protective  elements may  be lacking  or may  be  characteristically
    unreliable  over  any  great length  of  time. Such  bonds  lack outstanding
    investment characteristics and in  fact have speculative characteristics  as
    well.
 
        Ba  -- Bonds which are rated Ba are judged to have speculative elements;
    their future cannot be considered  as well-assured. Often the protection  of
    interest  and principal payments may be  very moderate, and thereby not well
    safeguarded during both good and bad  times over the future. Uncertainty  of
    position characterizes bonds in this class.
 
        B  --  Bonds which  are rated  B generally  lack characteristics  of the
    desirable investment. Assurance  of interest  and principal  payments or  of
    maintenance  of other terms of the contract over any long period of time may
    be small.
 
        Caa -- Bonds which are rated Caa  are of poor standing. Such issues  may
    be  in default or  there may be  present elements of  danger with respect to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C  -- Bonds which are  rated C are the lowest  rated class of bonds, and
    issues so rated can be regarded  as having extremely poor prospects of  ever
    attaining any real investment standing.
 
ABSENCE  OF RATING: Where no rating has been assigned or where a rating has been
suspended or withdrawn, it may  be for reasons unrelated  to the quality of  the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
        1.  An application for rating was not received or accepted.
 
        2.   The issue or  issuer belongs to a  group of securities or companies
    that are not rated as a matter of policy.
 
        3.  There is a lack of essential data pertaining to the issue or issuer.
 
        4.  The  issue was privately  placed, in  which case the  rating is  not
    published in Moody's publications.
 
Suspension  or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data  to permit  a judgment  to be  formed; if  a bond  is
called for redemption; or for other reasons.
 
                  Statement of Additional Information Page 36
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
Note:  Moody's applies numerical  modifiers, 1, 2  and 3 in  each generic rating
classification from Aa to Caa. The  modifier 1 indicates that the Company  ranks
in  the higher end  of its generic  rating category; the  modifier 2 indicates a
mid-range ranking; and the  modifier 3 indicates that  the Company ranks in  the
lower end of its generic rating category.
 
STANDARD  & POOR'S, a division of The McGraw-Hill Companies, Inc. ("S&P"), rates
the securities debt of various entities in categories ranging from "AAA" to  "D"
according to quality. Investment grade ratings are as the first four categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient information on which to base a rating, or that S&P does not rate  a
particular type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates  of return on  funds employed; conservative  capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in  earnings
coverage  of  fixed financial  charges and  high  internal cash  generation; and
well-established access to a range of  financial markets and assured sources  of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior  short-term debt obligations. This normally  will be evidenced by many of
the characteristics cited  above but  to a  lesser degree.  Earnings trends  and
coverage  ratios, while sound, may be  more subject to variation. Capitalization
characteristics, while  still  appropriate, may  be  more affected  by  external
conditions. Ample alternate liquidity is maintained.
 
                  Statement of Additional Information Page 37
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
    S&P  ratings of commercial paper are  graded into several categories ranging
from "A1" for the highest quality obligations  to "D" for the lowest. Issues  in
the  "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate the
relative degree  of safety.  A-1 --  This highest  category indicates  that  the
degree  of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation.  A-2  -- Capacity  for  timely  payments on  issues  with  this
designation  is satisfactory; however,  the relative degree of  safety is not as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
   
To be filed.
    
 
                  Statement of Additional Information Page 38
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                        GT GLOBAL EMERGING MARKETS FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity for U.S. investors by investing outside the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Invests in global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in a portfolio of emerging market debt securities
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT  BE RELIED UPON AS  HAVING BEEN AUTHORIZED BY  GT
  GLOBAL  EMERGING MARKETS FUND, G.T. INVESTMENT  FUNDS, A I M ADVISERS, INC.,
  [CHANCELLOR GT ASSET  MANAGEMENT, INC.]  OR A  I M  DISTRIBUTORS, INC.  THIS
  STATEMENT  OF ADDITIONAL INFORMATION DOES NOT CONSTITUTE AN OFFER TO SELL OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
                                                                      EMESX703MC
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND:
                                 ADVISOR CLASS
 
   
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                          Toll Free: [(800) 824-1580]
    
 
   
                      Statement of Additional Information
                                  June 1, 1998
    
 
- --------------------------------------------------------------------------------
 
   
This  Statement of Additional Information relates to the Advisor Class shares of
GT Global Developing Markets  Fund (the "Fund"). The  Fund is a  non-diversified
series   of  G.T.  Investment  Funds  (the  "Company"),  a  registered  open-end
management investment  company. On  October 31,  1997, the  Fund, which  had  no
previous  operating history, acquired the assets  and assumed the liabilities of
G.T. Global Developing Markets Fund, Inc. (the "Predecessor Fund"), a closed-end
investment company. This  Statement of  Additional Information, which  is not  a
prospectus,  supplements  and  should be  read  in conjunction  with  the Fund's
current Advisor  Class  Prospectus  dated June  1,  1998,  a copy  of  which  is
available  without charge by writing to the above address or by calling the Fund
at the toll-free telephone number listed above.
    
 
   
A  I  M  Advisors,  Inc.  ("AIM")  serves  as  the  investment  manager  of  and
administrator   for,   and  [Chancellor   LGT   Asset  Management,   Inc.]  (the
"Sub-adviser") serves as  the investment sub-adviser  and sub-administrator  for
the  Fund. The distributor of the Fund's shares is A I M Distributor, Inc. ("AIM
Distributors"). The Fund's transfer agent  is GT Global Investor Services,  Inc.
("GT Services" or the "Transfer Agent").
    
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                                                                                           Page No.
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<S>                                                                                                                        <C>
Investment Objectives and Policies.......................................................................................      2
Options, Futures and Currency Strategies.................................................................................      7
Risk Factors.............................................................................................................     15
Investment Limitations...................................................................................................     21
Execution of Portfolio Transactions......................................................................................     23
Trustees and Executive Officers..........................................................................................     25
Management...............................................................................................................     27
Valuation of Fund Shares.................................................................................................     28
Information Relating to Sales and Redemptions............................................................................     29
Taxes....................................................................................................................     31
Additional Information...................................................................................................     34
Investment Results.......................................................................................................     35
Description of Debt Ratings..............................................................................................     40
Financial Statements.....................................................................................................     42
</TABLE>
    
 
                   Statement of Additional Information Page 1
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                           INVESTMENT OBJECTIVES AND
                                    POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVES
   
The  primary investment objective of the Fund is long-term capital appreciation.
Its secondary  investment objective  is income,  to the  extent consistent  with
seeking capital appreciation. The Fund normally invests substantially all of its
assets  in issuers  in the developing  (or "emerging") markets  of Asia, Europe,
Latin America and elsewhere. The Fund does not consider the following  countries
to  be emerging markets: Australia,  Austria, Belgium, Canada, Denmark, England,
Finland, France, Germany, Ireland, Italy,  Japan, the Netherlands, New  Zealand,
Norway,  Spain, Sweden, Switzerland and the  United States. In determining which
countries constitute  emerging markets,  the  Sub-adviser will  consider,  among
other  things,  data, analysis,  and  classification of  countries  published or
disseminated by  the  International  Bank  for  Reconstruction  and  Development
(commonly  known as  the World Bank)  and the  International Finance Corporation
("IFC").
    
 
SELECTION OF EQUITY INVESTMENTS
   
For investment  purposes, an  issuer is  typically considered  as located  in  a
particular  country  if it  (a) is  incorporated under  the laws  of or  has its
principal office in that country, or (b) it normally derives 50% or more of  its
total  revenue from  business in that  country. However, these  are not absolute
requirements, and certain  companies incorporated  in a  particular country  and
considered by the Sub-adviser to be located in that country may have substantial
off-shore  operations or subsidiaries and/or export  sales exceeding in size the
assets or sales in that country.
    
 
   
In  determining  the  appropriate  distribution  of  investments  among  various
countries  and  geographic  regions  for the  Fund,  the  Sub-adviser ordinarily
considers the following  factors: prospects for  relative economic growth  among
the  different  countries  in which  the  Fund  may invest;  expected  levels of
inflation; government policies influencing business conditions; the outlook  for
currency relationships; and the range of the individual investment opportunities
available to international investors.
    
 
   
In  analyzing  companies in  emerging markets  for investment  by the  Fund, the
Sub-adviser ordinarily looks for one  or more of the following  characteristics:
an  above-average earnings  growth per share;  high return  on invested capital;
healthy balance  sheet;  sound financial  and  accounting policies  and  overall
financial  strength;  strong  competitive  advantages;  effective  research  and
product development  and  marketing;  efficient  service;  pricing  flexibility;
strength  of management; and general operating characteristics which will enable
the companies  to  compete successfully  in  their respective  marketplaces.  In
certain countries, governmental restrictions and other limitations on investment
may  affect the maximum percentage of equity ownership in any one company by the
Fund. In addition, in some instances  only special classes of securities may  be
purchased by foreigners and the market prices, liquidity and rights with respect
to those securities may vary from shares owned by nationals.
    
 
Although  the Fund values  its assets daily  in terms of  U.S. dollars, the Fund
does not intend to convert its holdings of foreign currencies into U.S.  dollars
on a daily basis. The Fund will do so from time to time, and investors should be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
The Fund may be prohibited under the Investment Company Act of 1940, as  amended
("1940 Act"), from purchasing the securities of any foreign company that, in its
most  recent  fiscal year,  derived more  than  15% of  its gross  revenues from
securities-related activities ("securities-related companies").  In a number  of
countries,   commercial  banks  act  as  securities  broker/dealers,  investment
advisers and underwriters or otherwise engage in securities-related  activities,
which  may limit the Fund's ability to hold securities issued by such banks. The
Fund has  obtained an  exemption  from the  Securities and  Exchange  Commission
("SEC") to permit it to invest in certain of these securities subject to certain
restrictions.
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
The  Fund  may  invest  in the  securities  of  investment  companies (including
investment vehicles or companies  advised by the  Sub-adviser or its  affiliates
("Affiliated  Funds"))  within the  limits of  the  1940 Act.  These limitations
currently provide
    
 
                   Statement of Additional Information Page 2
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
that, in  general, the  Fund  may purchase  shares  of a  closed-end  investment
company  unless (a) such a purchase would cause the Fund to own in the aggregate
more than 3  percent of  the total outstanding  voting stock  of the  investment
company  or (b) such a purchase would cause the Fund to have more than 5 percent
of its total assets invested in the  investment company or more than 10  percent
of  its total assets invested in an  aggregate of all such investment companies.
Investment in  such  investment  companies  may  also  involve  the  payment  of
substantial  premiums above the  value of such  companies' portfolio securities.
The Fund does not intend to invest  in such investment companies unless, in  the
judgment  of the Sub-adviser, the potential benefits of such investments justify
the payment of any  applicable premiums. The return  on such securities will  be
reduced  by  operating  expenses of  such  companies including  payments  to the
investment managers of those investment  companies. With respect to  investments
in  Affiliated Funds, the Sub-adviser waives its advisory fee to the extent that
such fees are based on assets of the Fund invested in Affiliated Funds.
    
 
DEPOSITORY RECEIPTS
The Fund may hold equity securities of  foreign issuers in the form of  American
Depository  Receipts  ("ADRs"),  American  Depository  Shares  ("ADSs"),  Global
Depository Receipts ("GDRs") and European Depository Receipts ("EDRs"), or other
securities convertible into securities of eligible issuers. These securities may
not necessarily be denominated in the same currency as the securities for  which
they may be exchanged. ADRs and ADSs typically are issued by an American bank or
trust  company  and  evidence ownership  of  underlying securities  issued  by a
foreign corporation.  EDRs,  which  are sometimes  referred  to  as  Continental
Depository  Receipts ("CDRs"), are  issued in Europe  typically by foreign banks
and trust  companies  and  evidence  ownership of  either  foreign  or  domestic
securities.  GDRs  are similar  to  EDRs and  are  designed for  use  in several
international financial markets. Generally, ADRs and ADSs in registered form are
designed for use in United States securities markets and EDRs in bearer form are
designed for use  in European  securities markets.  For purposes  of the  Fund's
investment policies, the Fund's investments in ADRs, ADSs, GDRs and EDRs will be
deemed  to be  investments in the  equity securities  representing securities of
foreign issuers into which they may be converted.
 
ADR facilities may be established as either "unsponsored" or "sponsored."  While
ADRs  issued under these two  types of facilities are  in some respects similar,
there are distinctions between  them relating to the  rights and obligations  of
ADR holders and the practices of market participants. A depository may establish
an  unsponsored  facility  without  participation by  (or  even  necessarily the
acquiescence of) the issuer of the deposited securities, although typically  the
depository  requests a  letter of  non-objection from  such issuer  prior to the
establishment of the facility.  Holders of unsponsored  ADRs generally bear  all
the  costs  of such  facilities. The  depository usually  charges fees  upon the
deposit and withdrawal of the deposited securities, the conversion of  dividends
into   U.S.  dollars,  the  disposition   of  non-cash  distributions,  and  the
performance of  other  services.  The  depository  of  an  unsponsored  facility
frequently  is  under  no obligation  to  distribute  shareholder communications
received from the issuer of the  deposited securities or to pass-through  voting
rights  to ADR  holders in  respect of  the deposited  securities. Sponsored ADR
facilities are created in generally  the same manner as unsponsored  facilities,
except  that  the  issuer of  the  deposited  securities enters  into  a deposit
agreement with the  depository. The deposit  agreement sets out  the rights  and
responsibilities  of  the  issuer,  the depository  and  the  ADR  holders. With
sponsored facilities, the issuer of the deposited securities generally will bear
some of the costs relating to the facility (such as dividend payment fees of the
depository), although ADR holders continue to bear certain other costs (such  as
deposit  and withdrawal fees).  Under the terms  of most sponsored arrangements,
depositories agree  to distribute  notices of  shareholder meetings  and  voting
instructions, and to provide shareholder communications and other information to
the  ADR holders at the  request of the issuer  of the deposited securities. The
Fund may invest in both sponsored and unsponsored ADRs.
 
WARRANTS OR RIGHTS
Warrants or  rights  may  be acquired  by  the  Fund in  connection  with  other
securities  or separately and provide  the Fund with the  right to purchase at a
later date other securities of  the issuer. Warrants are securities  permitting,
but   not  obligating,  their  holder  to  subscribe  for  other  securities  or
commodities. Warrants do not  carry with them the  right to dividends or  voting
rights  with  respect  to  the  securities that  they  entitle  their  holder to
purchase, and they do not represent any rights in the assets of the issuer. As a
result, warrants may be considered more speculative than certain other types  of
investments.  In addition,  the value of  a warrant does  not necessarily change
with the value of the underlying securities  and a warrant ceases to have  value
if it is not exercised prior to its expiration date.
 
LENDING OF PORTFOLIO SECURITIES
For  the purpose of realizing additional income, the Fund may make secured loans
of portfolio securities  amounting to  not more than  30% of  its total  assets.
Securities  loans are made to broker/dealers or institutional investors pursuant
to agreements requiring that the loans continuously be secured by collateral  at
least  equal at all times  to the value of the  securities lent plus any accrued
interest, "marked  to market"  on a  daily basis.  The Fund  may pay  reasonable
administrative  and custodial fees  in connection with  loans of its securities.
While  the   securities   loan   is  outstanding,   the   Fund   will   continue
 
                   Statement of Additional Information Page 3
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
to receive the equivalent of the interest or dividends paid by the issuer on the
securities,  as well as  interest on the  investment of the  collateral or a fee
from the borrower. The Fund will have a  right to call each loan and obtain  the
securities within the stated settlement period. The Fund will not have the right
to  vote equity securities  while they are  lent, but it  may call in  a loan in
anticipation of any important vote. Loans will  be made only to firms deemed  by
the  Sub-adviser to  be of  good standing and  will not  be made  unless, in the
judgment of the  Sub-adviser, the  consideration to  be earned  from such  loans
would justify the risk.
    
 
COMMERCIAL BANK OBLIGATIONS
For  the  purposes  of  the  Fund's investment  policies  with  respect  to bank
obligations, obligations of foreign branches of U.S. banks and of foreign  banks
are obligations of the issuing bank and may be general obligations of the parent
bank.  Such obligations,  however, may  be limited  by the  terms of  a specific
obligation  and  by  government  regulation.  As  with  investment  in  non-U.S.
securities  in general,  investments in the  obligations of  foreign branches of
U.S. banks and of foreign  banks may subject the  Fund to investment risks  that
are  different  in some  respects from  those of  investments in  obligations of
domestic issuers. Although  the Fund typically  will acquire obligations  issued
and  supported by the credit of U.S. or foreign banks having total assets at the
time of purchase  in excess  of $1  billion, this $1  billion figure  is not  an
investment  policy or restriction  of the Fund. For  the purposes of calculation
with respect to the $1  billion figure, the assets of  a bank will be deemed  to
include the assets of its U.S. and non-U.S. branches.
 
REPURCHASE AGREEMENTS
   
A  repurchase agreement is a transaction in  which the Fund purchases a security
from a bank or recognized securities dealer and simultaneously commits to resell
that security to the bank  or dealer at an agreed  upon price, date, and  market
rate  of interest  unrelated to  the coupon  rate or  maturity of  the purchased
security. Although repurchase agreements carry certain risks not associated with
direct investments in securities, including possible decline in the market value
of the underlying securities and delays and costs to the Fund if the other party
to the repurchase  agreement becomes bankrupt,  the Fund intends  to enter  into
repurchase agreements only with banks and dealers believed by the Sub-adviser to
present  minimum credit risks  in accordance with  guidelines established by the
Company's Board  of  Trustees.  The  Sub-adviser will  review  and  monitor  the
creditworthiness of such institutions under the Board's general supervision.
    
 
The  Fund will invest only in  repurchase agreements collateralized at all times
in an amount at least  equal to the repurchase  price plus accrued interest.  To
the  extent that the proceeds from any sale of such collateral upon a default in
the obligation to repurchase were less than the repurchase price, the Fund would
suffer a loss.  If the financial  institution which is  party to the  repurchase
agreement petitions for bankruptcy or otherwise becomes subject to bankruptcy or
other  liquidation proceedings, there may be  restrictions on the Fund's ability
to sell the collateral and the Fund  could suffer a loss. However, with  respect
to  financial  institutions  whose  bankruptcy  or  liquidation  proceedings are
subject to the U.S. Bankruptcy Code, the Fund intends to comply with  provisions
under  the U.S. Bankruptcy  Code that would  allow it immediately  to resell the
collateral. There is no limitation on the  amount of the Fund's assets that  may
be  subject to repurchase agreements at any  given time. The Fund will not enter
into a repurchase agreement  with a maturity  of more than seven  days if, as  a
result,  more than 15% of the value of  its net assets would be invested in such
repurchase agreements and other illiquid investments.
 
BORROWING AND REVERSE REPURCHASE AGREEMENTS
The Fund's borrowings will not exceed 33 1/3% of the Fund's total assets,  i.e.,
the  Fund's total assets at all times will  equal at least 300% of the amount of
outstanding borrowings.  If  market fluctuations  in  the value  of  the  Fund's
portfolio  holdings or other factors cause the  ratio of the Fund's total assets
to outstanding  borrowings to  fall  below 300%,  within three  days  (excluding
Sundays  and holidays) of such event the  Fund may be required to sell portfolio
securities to restore the  300% asset coverage, even  though from an  investment
standpoint  such sales might be disadvantageous. The  Fund also may borrow up to
5% of its total assets  for temporary or emergency  purposes other than to  meet
redemptions.  Any borrowing  by the  Fund may  cause greater  fluctuation in the
value of its shares than would be the case if the Fund did not borrow.
 
   
The Fund's fundamental investment  limitations permit the  Fund to borrow  money
for leveraging purposes. The Fund, however, currently is prohibited, pursuant to
a  non-fundamental investment policy, from borrowing  money in order to purchase
securities. Nevertheless, this policy may be changed in the future by a vote  of
a  majority of the Company's Board of  Trustees. If the Fund employs leverage in
the future, it  would be subject  to certain additional  risks. Use of  leverage
creates  an opportunity for  greater growth of capital  but would exaggerate any
increases or decreases in the Fund's net asset value. When the income and  gains
on securities purchased with the proceeds of borrowings exceed the costs of such
borrowings,  the Fund's  earnings or net  asset value will  increase faster than
otherwise would be the case; conversely, if such income and gains fail to exceed
such costs, the  Fund's earnings or  net asset value  would decline faster  than
would otherwise be the case.
    
 
                   Statement of Additional Information Page 4
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
The  Fund may  enter into  reverse repurchase  agreements. A  reverse repurchase
agreement is a borrowing transaction in which the Fund transfers possession of a
security to another party, such as a  bank or broker/dealer in return for  cash,
and  agrees to repurchase  the security in  the future at  an agreed upon price,
which includes an interest component. The Fund will segregate with a  custodian,
cash or liquid securities in an amount sufficient to cover its obligations under
reverse  repurchase agreements  with broker/dealers. No  segregation is required
for reverse repurchase agreements with banks.
    
 
SHORT SALES
The Fund  may  make  short sales  of  securities,  although it  has  no  current
intention  of doing so. A short sale is  a transaction in which the Fund sells a
security in anticipation that  the market price of  that security will  decline.
The  Fund may  make short  sales (i) as  a form  of hedging  to offset potential
declines in long positions in securities it owns, or anticipates acquiring,  and
(ii)  in order to maintain  portfolio flexibility. The Fund  may only make short
sales "against the box." In this type of short sale, at the time of the sale the
Fund owns the security it has sold short or has the immediate and  unconditional
right to acquire the identical security at no additional cost.
 
In a short sale, the seller does not immediately deliver the securities sold and
does  not receive the proceeds from the sale. To make delivery to the purchaser,
the executing broker borrows  the securities being sold  short on behalf of  the
seller. The seller is said to have a short position in the securities sold until
it  delivers the securities sold, at which  time it receives the proceeds of the
sale. To secure its obligation to  deliver securities sold short, the Fund  will
deposit  in  a  separate account  with  its  custodian an  equal  amount  of the
securities sold short or  securities convertible into  or exchangeable for  such
securities  at no cost. The Fund could  close out a short position by purchasing
and delivering an  equal amount  of the securities  sold short,  rather than  by
delivering  securities already held by the Fund,  because the Fund might want to
continue to  receive  interest  and  dividend  payments  on  securities  in  its
portfolio that are convertible into the securities sold short.
 
   
The  Fund might make  a short sale "against  the box" in  order to hedge against
market risks when  the Sub-adviser  believes that the  price of  a security  may
decline,  causing a decline  in the value of  a security owned by  the Fund or a
security convertible into or exchangeable for  such security. In such case,  any
future  losses in the  Fund's long position should  be reduced by  a gain in the
short position. Conversely, any gain in the long position should be reduced by a
loss in the short position. The extent to which such gains or losses in the long
position are reduced will  depend upon the amount  of the securities sold  short
relative  to the  amount of  the securities  the Fund  owns, either  directly or
indirectly, and, in the case where the Fund owns convertible securities, changes
in the investment values or conversion  premiums of such securities. There  will
be certain additional transaction costs associated with short sales "against the
box,"  but the  Fund will endeavor  to offset  these costs with  income from the
investment of the cash proceeds of short sales.
    
 
YANKEE BONDS
The Fund may invest in U.S.  dollar-denominated bonds sold in the United  States
by  non-U.S.  issuers ("Yankee  bonds"). As  compared with  bonds issued  in the
United States, such bond  issues normally carry a  higher interest rate but  are
less actively traded.
 
TEMPORARY DEFENSIVE STRATEGIES
The  Fund may invest in  the following types of  money market instruments (i.e.,
debt instruments with less than 12 months remaining until maturity)  denominated
in U.S. dollars or other currencies: (a) obligations issued or guaranteed by the
U.S.    or   foreign   governments,   their   agencies,   instrumentalities   or
municipalities; (b)  obligations  of  international  organizations  designed  or
supported   by  multiple  foreign  governmental  entities  to  promote  economic
reconstruction  or  development;  (c)  finance  company  obligations,  corporate
commercial   paper  and  other  short-term   commercial  obligations;  (d)  bank
obligations (including certificates of  deposit, time deposits, demand  deposits
and  bankers'  acceptances);  (e)  repurchase  agreements  with  respect  to the
foregoing; and (f) other substantially  similar short-term debt securities  with
comparable characteristics.
 
   
The  Fund may  invest in  commercial paper  rated as  low as  A-3 by  Standard &
Poor's, a division of The McGraw-Hill Companies, Inc. ("S&P") or P-3 by  Moody's
Investors  Service, Inc.  ("Moody's") or, if  not rated, determined  by the Sub-
adviser to  be  of  comparable  quality.  Obligations  rated  A-3  and  P-3  are
considered  by S&P and Moody's, respectively, to have an acceptable capacity for
timely repayment. However, these  securities may be  more vulnerable to  adverse
effects   of  changes   in  circumstances   than  obligations   carrying  higher
designations.
    
 
PREMIUM SECURITIES
The Fund  may invest  in  income securities  bearing  coupon rates  higher  than
prevailing  market rates. Such  "premium" securities are  typically purchased at
prices greater than the principal amounts payable on maturity. The Fund will not
amortize the premium paid for such securities in calculating its net  investment
income. As a result, in such cases the
 
                   Statement of Additional Information Page 5
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
purchase  of  such securities  provides the  Fund a  higher level  of investment
income distributable  to  shareholders on  a  current  basis than  if  the  Fund
purchased  securities bearing  current market  rates of  interest. If securities
purchased by the Fund  at a premium  are called or sold  prior to maturity,  the
Fund  will realize a loss to the extent the  call or sale price is less than the
purchase price. Additionally,  the Fund  will realize a  loss if  it holds  such
securities to maturity.
 
INDEXED DEBT SECURITIES
The  Fund  may invest  in debt  securities  issued by  banks and  other business
entities not located in developing market countries that are indexed to  certain
specific  foreign  currency exchange  rates, interest  rates or  other reference
rates. The  terms of  such securities  provide that  their principal  amount  is
adjusted  upwards or  downwards (but ordinarily  not below zero)  at maturity to
reflect changes in  the exchange rate  between two currencies  (or other  rates)
while the obligations are outstanding. While such securities offer the potential
for  an  attractive  rate  of return,  they  also  entail the  risk  of  loss of
principal. New forms of such securities  continue to be developed. The Fund  may
invest  in  such  securities  to  the  extent  consistent  with  its  investment
objectives.
 
STRUCTURED INVESTMENTS
The Fund may invest a portion of  its assets in interests in entities  organized
and   operated  solely   for  the   purpose  of   restructuring  the  investment
characteristics of  Sovereign  Debt. This  type  of restructuring  involves  the
deposit  with  or purchase  by an  entity, such  as a  corporation or  trust, of
specified instruments (such  as commercial bank  loans or Brady  Bonds) and  the
issuance  by  that entity  of  one or  more  classes of  securities ("Structured
Investments")  backed  by,   or  representing  interests   in,  the   underlying
instruments.  The cash  flow on  the underlying  instruments may  be apportioned
among  the  newly  issued  Structured  Investments  to  create  securities  with
different   investment  characteristics  such  as  varying  maturities,  payment
priorities and interest  rate provisions, and  the extent of  the payments  made
with  respect to Structured Investments  is dependent on the  extent of the cash
flow on the underlying instruments.  Because Structured Investments of the  type
in  which  the  Fund anticipates  it  will  invest typically  involve  no credit
enhancement, their  credit risk  generally will  be equivalent  to that  of  the
underlying instruments.
 
The  Fund is permitted  to invest in  a class of  Structured Investments that is
either subordinated  or not  subordinated to  the right  of payment  of  another
class.  Subordinated  Structured Investments  typically  have higher  yields and
present greater risks than unsubordinated Structured Investments.
 
Certain issuers  of  Structured Investments  may  be deemed  to  be  "investment
companies"  as defined in  the 1940 Act.  As a result,  the Fund's investment in
these Structured Investments may be limited by the restrictions contained in the
1940  Act  described  above  under   "Investment  Objectives  and  Policies   --
Investments in Other Investment Companies." Structured Investments are typically
sold in private placement transactions, and there currently is no active trading
market for Structured Investments.
 
STRIPPED INCOME SECURITIES
Stripped  income securities are obligations representing an interest in all or a
portion of  the income  or  principal components  of  an underlying  or  related
security,  a pool of securities  or other assets. In  the most extreme case, one
class will receive all of the interest (the interest only or "IO" class),  while
the  other class will receive  all of the principal  (the principal-only or "PO"
class). The market values of stripped income securities tend to be more volatile
in  response  to  changes  in  interest  rates  than  are  conventional   income
securities.
 
FLOATING AND VARIABLE RATE INCOME SECURITIES
Income securities may provide for floating or variable rate interest or dividend
payments.  The floating  or variable  rate may be  determined by  reference to a
known lending rate, such as a bank's  prime rate, a certificate of deposit  rate
or  the London Inter Bank  Offered Rate (LIBOR). Alternatively,  the rate may be
determined through  an auction  or remarketing  process. The  rate also  may  be
indexed  to  changes  in the  values  of  interest rate  or  securities indexes,
currency exchange rates or other commodities. The amount by which the rate  paid
on  an income security  may increase or  decrease may be  subject to periodic or
lifetime caps. Floating and variable  rate income securities include  securities
whose  rates  vary inversely  with  changes in  market  rates of  interest. Such
securities may also pay a rate of interest determined by applying a multiple  to
the  variable  rate. The  extent  of increases  and  decreases in  the  value of
securities whose rates vary inversely with  changes in market rates of  interest
generally  will  be larger  than comparable  changes  in the  value of  an equal
principal amount  of  a  fixed  rate security  having  similar  credit  quality,
redemption provisions and maturity.
 
SWAPS, CAPS, FLOORS AND COLLARS
The  Fund  may enter  into  interest rate,  currency  and index  swaps,  and may
purchase  or  sell  related  caps,  floors  and  collars  and  other  derivative
instruments.  The Fund  expects to  enter into  these transactions  primarily to
preserve a  return  or spread  on  a particular  investment  or portion  of  its
portfolio,  to  protect  against  currency  fluctuations,  as  a  technique  for
 
                   Statement of Additional Information Page 6
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
managing the portfolio's  duration (I.E.,  the price sensitivity  to changes  in
interest  rates) or to protect  against any increase in  the price of securities
the Fund anticipates purchasing at a later  date. The Fund intends to use  these
transactions  as hedges and will not sell  interest rate caps, floors or collars
if it does not  own securities or other  instruments providing an income  stream
roughly equivalent to what the Fund may be obligated to pay.
 
Interest rate swaps involve the exchange by the Fund with another party of their
respective  commitments to pay or receive  interest (for example, an exchange of
floating rate  payments for  fixed rate  payments) with  respect to  a  notional
amount of principal. A currency swap is an agreement to exchange cash flows on a
notional amount based on changes in the values of the reference indices.
 
The  purchase of a cap entitles the  purchaser to receive payments on a notional
principal amount from the party selling the  cap to the extent that a  specified
index  exceeds a predetermined  interest rate. The purchase  of an interest rate
floor entitles the purchaser to receive payments on a notional principal  amount
from  the party  selling the floor  to the  extent that a  specified index falls
below a predetermined interest rate  or amount. A collar  is a combination of  a
cap  and a floor that preserves a certain return within a predetermined range of
interest rates or values.
 
- --------------------------------------------------------------------------------
 
                         OPTIONS, FUTURES AND CURRENCY
                                   STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The use of options, futures  contracts and forward currency contracts  ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
   
        (1)  Successful  use  of  most of  these  instruments  depends  upon the
    Sub-adviser's ability to  predict movements  of the  overall securities  and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Sub-adviser is experienced in
    the  use of these instruments, there can be no assurance that any particular
    strategy adopted will succeed.
    
 
        (2) There  might  be  imperfect correlation,  or  even  no  correlation,
    between  price  movements  of  an  instrument  and  price  movements  of the
    investments being hedged. For example, if the value of an instrument used in
    a short hedge  increased by less  than the  decline in value  of the  hedged
    investment,  the  hedge  would  not  be fully  successful.  Such  a  lack of
    correlation might  occur  due to  factors  unrelated  to the  value  of  the
    investments  being hedged,  such as  speculative or  other pressures  on the
    markets in  which the  hedging instrument  is traded.  The effectiveness  of
    hedges  using hedging  instruments on indices  will depend on  the degree of
    correlation between price movements in the index and price movements in  the
    investments being hedged.
 
   
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or  partially offsetting the negative  effect of unfavorable price movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity for gain by  offsetting the positive  effect of favorable  price
    movements  in the hedged investments. For example,  if a Fund entered into a
    short hedge because the  Sub-adviser projected a decline  in the price of  a
    security  in the Fund's portfolio, and  the price of that security increased
    instead, the gain from that increase might be wholly or partially offset  by
    a  decline in the price of the hedging instrument. Moreover, if the price of
    the hedging instrument declined  by more than the  increase in the price  of
    the  security, the Fund could  suffer a loss. In  either such case, the Fund
    would have been in a better position had it not hedged at all.
    
 
        (4) As described below, the Fund might be required to maintain assets as
    "cover," maintain segregated accounts or make margin payments when it  takes
    positions  in  instruments  involving obligations  to  third  parties (i.e.,
    instruments other than purchased options). If the Fund were unable to  close
    out  its positions in such instruments, it  might be required to continue to
    maintain such assets or  accounts or make such  payments until the  position
    expired or matured. The requirements might impair the Fund's ability to sell
    a portfolio security or make an investment at a time when it would otherwise
    be favorable to do so, or require that the Fund sell a portfolio security at
    a  disadvantageous time. The  Fund's ability to  close out a  position in an
    instrument prior to  expiration or maturity  depends on the  existence of  a
    liquid secondary market or, in the absence of such a market, the ability and
    willingness of the other
 
                   Statement of Additional Information Page 7
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
    party  to  the  transaction ("contra  party")  to enter  into  a transaction
    closing out the position. Therefore, there is no assurance that any position
    can be closed out at a time and price that is favorable to the Fund.
 
WRITING CALL OPTIONS
   
The Fund may write  (sell) call options on  securities, indices and  currencies.
Call options generally will be written on securities and currencies that, in the
opinion of the Sub-adviser are not expected to make any major price moves in the
near  future  but  that,  over  the  long  term,  are  deemed  to  be attractive
investments for the Fund.
    
 
A call option  gives the  holder (buyer)  the right  to purchase  a security  or
currency  at a specified price (the exercise  price) at any time until (American
style) or on (European style) a certain  date (the expiration date). So long  as
the  obligation of the writer of a call  option continues, he may be assigned an
exercise notice, requiring him  to deliver the  underlying security or  currency
against  payment  of the  exercise price.  This  obligation terminates  upon the
expiration of the call option, or such earlier time at which the writer  effects
a  closing  purchase  transaction  by purchasing  an  option  identical  to that
previously sold.
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on the basis of  investment considerations consistent with the
Fund's investment objective. When writing a call option, the Fund, in return for
the premium, gives up the  opportunity for profit from  a price increase in  the
underlying  security or currency above the  exercise price, and retains the risk
of loss should the  price of the  security or currency  decline. Unlike one  who
owns  securities or currencies not subject to an option, the Fund has no control
over when it may  be required to sell  the underlying securities or  currencies,
since  most  options  may  be  exercised  at  any  time  prior  to  the option's
expiration. If a call option  that the Fund has  written expires, the Fund  will
realize a gain in the amount of the premium; however, such gain may be offset by
a  decline in the market value of the underlying security or currency during the
option period. If the call option is exercised, the Fund will realize a gain  or
loss  from  the sale  of  the underlying  security  or currency,  which  will be
increased or  offset by  the premium  received.  The Fund  does not  consider  a
security  or currency covered by  a call option to be  "pledged" as that term is
used in the Fund's policy that limits the pledging or mortgaging of its assets.
 
Writing call options can serve as a limited short hedge because declines in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
appreciates to a price higher than the exercise price of the call option, it can
be  expected that the option will be exercised and the Fund will be obligated to
sell the security or currency at less than its market value.
 
   
The premium  that the  Fund receives  for writing  a call  option is  deemed  to
constitute the market value of an option. The premium the Fund will receive from
writing a call option will reflect, among other things, the current market price
of  the underlying  investment, the relationship  of the exercise  price to such
market price, the historical price volatility of the underlying investment,  and
the length of the option period. In determining whether a particular call option
should  be  written, the  Sub-adviser will  consider  the reasonableness  of the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
    
 
Closing transactions  will  be effected  in  order to  realize  a profit  on  an
outstanding  call option,  to prevent  an underlying  security or  currency from
being called, or  to permit  the sale of  the underlying  security or  currency.
Furthermore,  effecting  a closing  transaction will  permit  the Fund  to write
another call  option  on the  underlying  security  or currency  with  either  a
different exercise price, expiration date or both.
 
The  Fund will pay transaction  costs in connection with  the writing of options
and in entering into closing  purchase contracts. Transaction costs relating  to
options  activity normally  are higher  than those  applicable to  purchases and
sales of portfolio securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market values of the underlying securities or currencies at the time the options
are  written. From time to time, the Fund may purchase an underlying security or
currency for delivery in accordance with the exercise of an option, rather  than
delivering  such  security  or  currency  from  its  portfolio.  In  such cases,
additional costs will be incurred.
 
The Fund will realize a  profit or loss from  a closing purchase transaction  if
the  cost of  the transaction  is less or  more, respectively,  than the premium
received from writing  the option. Because  increases in the  market price of  a
call  option  generally  will  reflect  increases in  the  market  price  of the
underlying security or  currency, any loss  resulting from the  repurchase of  a
call  option is likely to be  offset in whole or in  part by appreciation of the
underlying security or currency owned by the Fund.
 
                   Statement of Additional Information Page 8
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
WRITING PUT OPTIONS
The Fund may  write put  options on securities,  indices and  currencies. A  put
option  gives the  purchaser of  the option  the right  to sell,  and the writer
(seller) the  obligation to  buy, the  underlying security  or currency  at  the
exercise  price at any  time until (American  style) or on  (European style) the
expiration date. The operation of put options in other respects, including their
related risks and rewards, is substantially identical to that of call options.
 
   
The  Fund  generally  would  write  put  options  in  circumstances  where   the
Sub-adviser  wishes  to purchase  the underlying  security  or currency  for the
Fund's portfolio at a price lower than the current market price of the  security
or  currency. In such  event, the Fund would  write a put  option at an exercise
price that, reduced by  the premium received on  the option, reflects the  lower
price  it is willing to pay. Since the  Fund also would receive interest on debt
securities or currencies maintained to cover  the exercise price of the  option,
this  technique could be used to enhance current return during periods of market
uncertainty. The risk in such  a transaction would be  that the market price  of
the  underlying security or currency would decline below the exercise price less
the premium received.
    
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put option will be exercised and the Fund will be obligated
to purchase the security or currency at more than its market value.
 
PURCHASING PUT OPTIONS
The Fund may purchase put options on securities, indices and currencies. As  the
holder  of a put option, the Fund has  the right to sell the underlying security
or currency  at  the exercise  price  any any  time  until (American  style)  or
(European  style)  the expiration  date. The  Fund may  enter into  closing sale
transactions with  respect to  such options,  exercise them  or permit  them  to
expire.
 
The  Fund  may purchase  a  put option  on  an underlying  security  or currency
("protective put") owned by the Fund in order to protect against an  anticipated
decline  in the  value of  the security  or currency.  Such hedge  protection is
provided only during the life of the put option when the Fund, as the holder  of
the  put option, is able to sell the  underlying security or currency at the put
exercise price regardless  of any  decline in the  underlying security's  market
price  or currency's exchange value. The premium paid for the put option and any
transaction costs would reduce any  profit otherwise available for  distribution
when the security or currency is eventually sold.
 
The  Fund also may purchase put options at a time when the Fund does not own the
underlying security or  currency. By  purchasing put  options on  a security  or
currency it does not own, the Fund seeks to benefit from a decline in the market
price of the underlying security or currency. If the put option is not sold when
it  has remaining value, and  if the market price  of the underlying security or
currency remains equal to or greater than the exercise price during the life  of
the  put option, the Fund will lose its  entire investment in the put option. In
order for the purchase of a put option to be profitable, the market price of the
underlying security or  currency must  decline sufficiently  below the  exercise
price  to cover the premium and transaction costs, unless the put option is sold
in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Fund may purchase call options on securities, indices and currencies. As the
holder of  a  call  option, the  Fund  would  have the  right  to  purchase  the
underlying  security  or  currency  at  the exercise  price  at  any  time until
(American style) or on (European style) the expiration date. The Fund may  enter
into  closing sale transactions  with respect to such  options, exercise them or
permit them to expire.
 
Call options may  be purchased  by the  Fund for  the purpose  of acquiring  the
underlying security or currency for its portfolio. Utilized in this fashion, the
purchase  of  call options  would enable  the  Fund to  acquire the  security or
currency at the  exercise price of  the call  option plus the  premium paid.  At
times,  the net cost of acquiring the security or currency in this manner may be
less than  the  cost  of  acquiring the  security  or  currency  directly.  This
technique  also  may  be useful  to  the Fund  in  purchasing a  large  block of
securities that would be more difficult  to acquire by direct market  purchases.
So  long as it holds such a call  option, rather than the underlying security or
currency itself, the Fund is partially protected from any unexpected decline  in
the  market price  of the  underlying security or  currency and,  in such event,
could allow the call option  to expire, incurring a loss  only to the extent  of
the premium paid for the option.
 
The  Fund also may purchase call  options on underlying securities or currencies
it owns  to avoid  realizing losses  that would  result in  a reduction  of  its
current  return. For  example, where the  Fund has  written a call  option on an
underlying security or currency having a current market value below the price at
which it purchased  the security or  currency, an increase  in the market  price
could  result in  the exercise of  the call option  written by the  Fund and the
realization of a loss on the  underlying security or currency. Accordingly,  the
Fund   could  purchase  a  call  option  on  the  same  underlying  security  or
 
                   Statement of Additional Information Page 9
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
currency, which could be  exercised to fulfill  the Fund's delivery  obligations
under  its written call (if it is exercised). This strategy could allow the Fund
to avoid selling the  portfolio security or  currency at a time  when it has  an
unrealized  loss; however, the Fund would have  to pay a premium to purchase the
call option plus transaction costs.
 
Aggregate premiums paid  for put  and call  options will  not exceed  5% of  the
Fund's total assets at the time of purchase.
 
The Fund may attempt to accomplish objectives similar to those involved in using
Forward  Contracts by purchasing put or call options on currencies. A put option
gives the  Fund as  purchaser  the right  (but not  the  obligation) to  sell  a
specified  amount of currency at the exercise  price at any time until (American
style) or on (European style) the expiration date. A call option gives the  Fund
as  purchaser the right (but not the  obligation) to purchase a specified amount
of currency at  the exercise  price at  any time  until (American  style) or  on
(European  style) the  expiration date. The  Fund might purchase  a currency put
option, for example, to protect itself against a decline in the dollar value  of
a  currency  in  which  it  holds  or  anticipates  holding  securities.  If the
currency's value should decline against the  dollar, the loss in currency  value
should  be offset, in whole or in part, by  an increase in the value of the put.
If the value of the currency instead should rise against the dollar, any gain to
the Fund would  be reduced  by the premium  it had  paid for the  put option.  A
currency  call option might be purchased, for example, in anticipation of, or to
protect against, a rise in the value  against the dollar of a currency in  which
the Fund anticipates purchasing securities.
 
Options  may  be either  listed  on an  exchange  or traded  in over-the-counter
("OTC") Markets. Listed options are third-party contracts (I.E., performance  of
the  obligations of the  purchaser and seller  is guaranteed by  the exchange or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates. The Fund will not  purchase an OTC option  unless it believes that  daily
valuations  for such  options are  readily obtainable.  OTC options  differ from
exchange-traded options in that OTC options are transacted with dealers directly
and  not  through  a   clearing  corporation  (which  guarantees   performance).
Consequently,  there  is  a risk  of  non-performance  by the  dealer.  Since no
exchange is involved, OTC options are valued  on the basis of an average of  the
last  bid prices obtained from dealers, unless  a quotation from only one dealer
is available, in which case only that  dealer's price will be used. In the  case
of  OTC options, there can  be no assurance that  a liquid secondary market will
exist for any particular option at any specific time.
 
The staff of the SEC considers purchased OTC options to be illiquid  securities.
The  Fund  may also  sell OTC  options and,  in connection  therewith, segregate
assets or cover its obligations with respect to OTC options written by the Fund.
The assets used as cover for OTC options written by the Fund will be  considered
illiquid unless the OTC options are sold to qualified dealers who agree that the
Fund may repurchase any OTC option it writes at a maximum price to be calculated
by  a formula  set forth in  the option agreement.  The cover for  an OTC option
written subject  to this  procedure would  be considered  illiquid only  to  the
extent that the maximum repurchase price under the formula exceeds the intrinsic
value of the option.
 
The  Fund's  ability to  establish and  close  out positions  in exchange-listed
options depends  on  the existence  of  a liquid  market.  The Fund  intends  to
purchase  or write only those exchange-traded options for which there appears to
be a liquid secondary  market. However, there  can be no  assurance that such  a
market  will exist at any particular time.  Closing transactions can be made for
OTC options  only  by  negotiating  directly  with the  contra  party  or  by  a
transaction in the secondary market if any such market exists. Although the Fund
will  enter into OTC  options only with  contra parties that  are expected to be
capable of  entering  into closing  transactions  with  the Fund,  there  is  no
assurance that the Fund will in fact be able to close out an OTC option position
at  a favorable price  prior to expiration.  In the extent  of insolvency of the
contra party, the Fund might  be unable to close out  an OTC option position  at
any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts  except that all settlements  are in cash and  gain or loss depends on
changes in the index in question (and thus on price movements in the  securities
market  or a particular market sector  generally) rather than on price movements
in individual securities or futures contracts. When the Fund writes a call on an
index, it receives a premium and agrees that, prior to the expiration date,  the
purchaser  of the call, upon exercise of the call, will receive from the Fund an
amount of cash if the closing level of the index upon which the call is based is
greater than the exercise price of the call. The amount of cash is equal to  the
difference  between the closing price of the index and the exercise price of the
call times a specified multiple  (the "multiplier"), which determines the  total
dollar  value for each point of such difference. When the Fund buys a call on an
index, it pays a premium and has the same
rights as to such calls as are indicated  above. When the Fund buys a put on  an
index,  it pays a  premium and has the  right, prior to  the expiration date, to
require the seller of the put, upon  the Fund's exercise of the put, to  deliver
to  the Fund an amount of cash if the  closing level of the index upon which the
put is based is less than the exercise price of the put, which amount of cash is
determined by the multiplier, as described above for calls. When the Fund writes
a put on an index, it
 
                  Statement of Additional Information Page 10
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
receives a premium  and the  purchaser has the  right, prior  to the  expiration
date,  to require  the Fund  to deliver  to it  an amount  of cash  equal to the
difference between the closing level of  the index and the exercise price  times
the multiplier, if the closing level is less than the exercise price.
 
The  risks  of  investment in  index  options  may be  greater  than  options on
securities. Because index options  are settled in cash,  when the Fund writes  a
call  on an  index it  cannot provide  in advance  for its  potential settlement
obligations by acquiring  and holding  the underlying securities.  The Fund  can
offset  some of the  risk of writing a  call index option  position by holding a
diversified portfolio of  securities similar  to those on  which the  underlying
index  is based. However,  the Fund cannot,  as a practical  matter, acquire and
hold a portfolio containing  exactly the same securities  as underlie the  index
and,  as a result, bears a risk that  the value of the securities held will vary
from the value of the index.
 
Even if the Fund could assemble  a securities portfolio that exactly  reproduced
the  composition of the  underlying index, it  still would not  be fully covered
from a risk standpoint  because of the "timing  risk" inherent in writing  index
options.  When an index option is exercised,  the amount of cash that the holder
is entitled to  receive is  determined by  the difference  between the  exercise
price  and the closing index level on the  date when the option is exercised. As
with other kinds of options, the Fund as  the call writer will not know that  it
has  been assigned  until the next  business day  at the earliest.  The time lag
between exercise and  notice of assignment  poses no  risk for the  writer of  a
covered  call on a  specific underlying security, such  as common stock, because
there the writer's obligation is to deliver the underlying security, not to  pay
its value as of a fixed time in the past. So long as the writer already owns the
underlying  security,  it  can  satisfy  its  settlement  obligations  by simply
delivering it, and the risk that its value may have declined since the  exercise
date  is borne by the  exercising holder. In contrast, even  if the writer of an
index call holds securities that exactly match the composition of the underlying
index, it will not be able  to satisfy its assignment obligations by  delivering
those  securities against  payment of  the exercise  price. Instead,  it will be
required to  pay cash  in an  amount based  on the  closing index  value on  the
exercise  date; and by the  time it learns that it  has been assigned, the index
may have declined, with a corresponding  decline in the value of its  securities
portfolio.  This "timing risk" is an inherent limitation on the ability of index
call writers to cover their risk exposure by holding securities positions.
 
If the Fund purchases an index option and exercises it before the closing  index
value  for  that day  is  available, it  runs  the risk  that  the level  of the
underlying index may subsequently change. If such a change causes the  exercised
option to fall out-of-the-money, the Fund will be required to pay the difference
between  the closing index value and the exercise price of the option (times the
applicable multiplier) to the assigned writer.
 
INTEREST RATE, CURRENCY AND STOCK INDEX FUTURES CONTRACTS
The Fund may enter into interest rate, currency or stock index futures contracts
(collectively, "Futures" or "Futures Contracts"), as a hedge against changes  in
prevailing  levels of  interest rates,  currency exchange  rates or  stock price
levels, respectively, in order to establish more definitely the effective return
on securities or currencies held  or intended to be  acquired by it. The  Fund's
hedging may include sales of Futures as an offset against the effect of expected
increases  in interest rates  and decreases in currency  exchange rates or stock
prices, and purchases  of Futures as  an offset against  the effect of  expected
declines  in interest rates,  and increases in currency  exchange rates or stock
prices.
 
The Fund  only will  enter into  Futures Contracts  that are  traded on  futures
exchanges  and are  standardized as  to maturity  date and  underlying financial
instrument. Futures  exchanges and  trading  thereon in  the United  States  are
regulated  under the  Commodity Exchange  Act by  the Commodity  Futures Trading
Commission ("CFTC"). Futures are exchanged in London at the London International
Financial Futures Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to reduce the Fund's exposure to interest rate, currency exchange rate  and
stock  market fluctuations,  the Fund  may be  able to  hedge its  exposure more
effectively and at a lower cost through using Futures Contracts.
 
A Futures Contract provides  for the future  sale by one  party and purchase  by
another party of a specified amount of a specific financial instrument (security
or currency) for a specified price at a designated date, time and place. A stock
index Futures Contract provides for the delivery, at a designated date, time and
place,  of  an amount  of  cash equal  to a  specified  dollar amount  times the
difference between the stock index value at the close of trading on the contract
and the price at  which the Futures Contract  is originally struck; no  physical
delivery  of stocks  comprising the index  is made. Brokerage  fees are incurred
when a  Futures  Contract  is  bought  or sold,  and  margin  deposits  must  be
maintained at all times the Futures Contract is outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  usually are closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively, for the same aggregate amount of
 
                  Statement of Additional Information Page 11
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
the  identical financial instrument  or currency and the  same delivery date. If
the offsetting purchase  price is less  than the original  sale price, the  Fund
realizes  a gain; if  it is more, the  Fund realizes a  loss. Conversely, if the
offsetting sale  price  is more  than  the  original purchase  price,  the  Fund
realizes  a gain; if it is less, the Fund realizes a loss. The transaction costs
also must be included in these calculations. There can be no assurance, however,
that the Fund will be able to enter into an offsetting transaction with  respect
to  a particular Futures Contract at a particular  time. If the Fund is not able
to enter into an offsetting transaction,  the Fund will continue to be  required
to maintain the margin deposits on the Futures Contract.
 
As  an example of an offsetting transaction, the contractual obligations arising
from the sale of one Futures Contract of September Deutschemarks on an  exchange
may  be fulfilled  at any  time before  delivery under  the Futures  Contract is
required (i.e., on a specified date  in September, the "delivery month") by  the
purchase  of another  Futures Contract  of September  Deutschemarks on  the same
exchange. In such instance the difference between the price at which the Futures
Contract was  sold  and  the  price paid  for  the  offsetting  purchase,  after
allowance for transaction costs, represents the profit or loss to the Fund.
 
The  Fund's Futures transactions will be entered into for hedging purposes only;
that is, Futures  Contracts will be  sold to  protect against a  decline in  the
price  of securities or currencies that the Fund owns, or Futures Contracts will
be purchased to protect the Fund against an increase in the price of  securities
or currencies it has committed to purchase or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by the Fund in order to  initiate Futures trading and to maintain  the
Fund's  open  positions in  Futures Contracts.  A margin  deposit made  when the
Futures Contract is entered  into ("initial margin") is  intended to assure  the
Fund's  performance  under  the  Futures Contract.  The  margin  required  for a
particular Futures Contract is set by the exchange on which the Futures Contract
is traded, and may be modified significantly  from time to time by the  exchange
during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission merchant through  which the  Fund entered into  the Futures  Contract
will  be made on a daily basis as the price of the underlying security, currency
or index fluctuates making the Futures Contract more or less valuable, a process
known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in  interest rates  and currency  exchange rates,  and in  stock  market
movements,  which  in turn  are  affected by  fiscal  and monetary  policies and
national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and prices  of the securities  or currencies in  the Fund's portfolio
being  hedged.  The   degree  of  imperfection   of  correlation  depends   upon
circumstances  such as: variations in speculative  market demand for futures and
for securities or currencies, including technical influences in Futures trading;
and  differences  between  the  financial  instruments  being  hedged  and   the
instruments  underlying the standard Futures  Contracts available for trading. A
decision of whether,  when, and how  to hedge involves  skill and judgment,  and
even  a  well-conceived hedge  may  be unsuccessful  to  some degree  because of
unexpected market behavior or interest or currency rate trends.
 
Because of  the  low  margin  deposits required,  Futures  trading  involves  an
extremely  high  degree  of leverage.  As  a  result, a  relatively  small price
movement in a Futures Contract may result in immediate and substantial loss,  as
well  as gain, to the investor. For example,  if at the time of purchase, 10% of
the value  of the  Futures Contract  is deposited  as margin,  a subsequent  10%
decrease  in the value of  the Futures Contract would result  in a total loss of
the margin  deposit, before  any deduction  for the  transaction costs,  if  the
account  were then closed  out. A 15% decrease  would result in  a loss equal to
150% of the original  margin deposit, if the  Futures Contract were closed  out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily  limit establishes the maximum amount that the price of a Futures Contract
or option may vary either up or down from the previous day's settlement price at
the end  of a  trading session.  Once  the daily  limit has  been reached  in  a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a  particular trading day and therefore does not limit potential losses, because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and option  prices  occasionally have  moved  to  the daily  limit  for  several
consecutive  trading days with  little or no  trading, thereby preventing prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If the Fund were unable to liquidate a Futures or option on Futures position due
to the absence of a liquid secondary  market or the imposition of price  limits,
it  could incur  substantial losses.  The Fund would  continue to  be subject to
market
 
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                       GT GLOBAL DEVELOPING MARKETS FUND
risk with respect to the position. In addition, except in the case of  purchased
options,  the Fund would continue to be  required to make daily variation margin
payments and might  be required  to maintain the  position being  hedged by  the
Future or option or to maintain cash or securities in a segregated account.
 
Certain  characteristics  of the  Futures market  might  increase the  risk that
movements in the  prices of Futures  Contracts or options  on Futures might  not
correlate  perfectly  with  movements in  the  prices of  the  investments being
hedged. For example,  all participants  in the  Futures and  options on  Futures
markets  are subject to daily  variation margin calls and  might be compelled to
liquidate Futures  or  options on  Futures  positions whose  prices  are  moving
unfavorably  to avoid being  subject to further  calls. These liquidations could
increase price  volatility  of the  instruments  and distort  the  normal  price
relationship  between the Futures  or options and  the investments being hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous than  margin requirements  in  the securities  markets, there  might  be
increased   participation   by  speculators   in   the  Futures   markets.  This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage,  "program trading"  and other  investment strategies  might result in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options on Futures Contracts are similar to options on securities or  currencies
except that options on Futures Contracts give the purchaser the right, in return
for  the  premium paid,  to  assume a  position in  a  Futures Contract  (a long
position if the option is a call and a short position if the option is a put) at
a specified exercise price  at any time  during the period  of the option.  Upon
exercise  of the option, the  delivery of the Futures  position by the writer of
the option to the holder  of the option will be  accompanied by delivery of  the
accumulated balance in the writer's Futures margin account, which represents the
amount  by which the market price of  the Futures Contract, at exercise, exceeds
(in the case of  a call) or  is less than (in  the case of  a put) the  exercise
price  of the option on  the Futures Contract. If an  option is exercised on the
last trading day prior to the expiration date of the option, the settlement will
be made entirely in cash equal to  the difference between the exercise price  of
the  option and the  closing level of  the securities, currencies  or index upon
which the  Futures Contract  is  based on  the  expiration date.  Purchasers  of
options  who fail to exercise their options  prior to the exercise date suffer a
loss of the premium paid.
 
The purchase of  call options  on Futures  can serve as  a long  hedge, and  the
purchase  of put  options on Futures  can serve  as a short  hedge. Writing call
options on Futures can serve as a  limited short hedge, and writing put  options
on  Futures can serve as a limited long  hedge, using a strategy similar to that
used for writing options on securities, foreign currencies or indices.
 
If the Fund  writes an  option on  a Futures Contract,  it will  be required  to
deposit  initial and variation margin pursuant  to requirements similar to those
applicable to Futures Contracts. Premiums received from the writing of an option
on a Futures Contract are included in the initial margin deposit.
 
The Fund may seek to close out an option position by selling an option  covering
the  same Futures  Contract and  having the  same exercise  price and expiration
date. The  ability to  establish and  close  out positions  on such  options  is
subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
   
To the extent that  the Fund enters into  Futures Contracts, options on  Futures
Contracts,  and  options  on  foreign  currencies  traded  on  a  CFTC-regulated
exchange, in each case other than for BONA FIDE hedging purposes (as defined  by
the CFTC), the aggregate initial margin and premiums required to establish those
positions  (excluding the amount  by which options  are "in-the-money") will not
exceed 5% of the  liquidation value of the  Fund's portfolio, after taking  into
account  unrealized profits and unrealized losses  on any contracts the Fund has
entered into. In general, a call option on a Futures Contract is  "in-the-money"
if  the  value of  the  underlying Futures  Contract  exceeds the  strike, i.e.,
exercise,  price  of  the  call;  a   put  option  on  a  futures  contract   is
"in-the-money"  if the value  of the underlying Futures  Contract is exceeded by
the strike price of  the put. This  guideline may be  modified by the  Company's
Board of Trustees without a shareholder vote. This limitation does not limit the
percentage of the Fund's assets at risk to 5%.
    
 
FORWARD CONTRACTS
A  Forward Contract is an obligation, usually arranged with a commercial bank or
other currency dealer, to purchase or  sell a currency against another  currency
at  a future date and price  as agreed upon by the  parties. The Fund either may
accept or make delivery of the currency at the maturity of the Forward Contract.
The Fund may also, if its contra  party agrees, prior to maturity, enter into  a
closing transaction involving the purchase or sale of an offsetting contract.
 
The  Fund engages  in forward  currency transactions  in anticipation  of, or to
protect itself against, fluctuations  in exchange rates. The  Fund might sell  a
particular   foreign  currency  forward,  for   example,  when  it  holds  bonds
denominated in a
 
                  Statement of Additional Information Page 13
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
foreign currency but anticipates, and seeks  to be protected against, a  decline
in the currency against the U.S. dollar. Similarly, the Fund might sell the U.S.
dollar  forward when it holds bonds denominated in U.S. dollars but anticipates,
and seeks to  be protected against,  a decline  in the U.S.  dollar relative  to
other  currencies. Further, the Fund might  purchase a currency forward to "lock
in" the price  of securities denominated  in that currency  that it  anticipates
purchasing.
 
   
Forward  Contracts are traded in the interbank market conducted directly between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement and no commissions are charged  at
any stage for trades. The Fund will enter into such Forward Contracts with major
U.S.  or foreign banks and securities or currency dealers in accordance with the
guidelines approved by the Company's Board of Trustees.
    
 
The Fund  may enter  into  Forward Contracts  either  with respect  to  specific
transactions  or with  respect to  the Fund's  portfolio positions.  The precise
matching of the Forward  Contract amounts and the  value of specific  securities
generally  will not be possible  because the future value  of such securities in
foreign currencies will change as a consequence of market movements in the value
of those securities between  the date the Forward  Contract is entered into  and
the  date it matures. Accordingly, it may  be necessary for the Fund to purchase
additional foreign  currency on  the  spot (i.e.,  cash)  market (and  bear  the
expense  of such purchase) if the market value  of the security is less than the
amount of foreign currency the Fund is obligated to deliver and if a decision is
made to sell the security and make delivery of the foreign currency. Conversely,
it may be necessary to sell on the spot market some of the foreign currency  the
Fund  is  obligated to  deliver. The  projection  of short-term  currency market
movements is extremely difficult, and  the successful execution of a  short-term
hedging  strategy is highly  uncertain. Forward Contracts  involve the risk that
anticipated currency movements  will not  be predicted  accurately, causing  the
Fund to sustain losses on these contracts and transaction costs.
 
At  or before the  maturity of a Forward  Contract requiring the  Fund to sell a
currency, the  Fund  either may  sell  a portfolio  security  and use  the  sale
proceeds  to make delivery of the currency or retain the security and offset its
contractual obligation to deliver the  currency by purchasing a second  contract
pursuant  to which  the Fund will  obtain, on  the same maturity  date, the same
amount of the currency that it is obligated to deliver. Similarly, the Fund  may
close  out a Forward Contract  requiring it to purchase  a specified currency by
entering into a  second contract, if  its contra party  agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund would  realize a gain  or loss as a  result of entering  into
such  an offsetting Forward Contract under either circumstance to the extent the
exchange rate  or  rates  between  the currencies  involved  moved  between  the
execution dates of the first contract and the offsetting contract.
 
The  cost to the Fund of engaging  in Forward Contracts varies with factors such
as the currencies  involved, the length  of the contract  period and the  market
conditions  then prevailing. Because Forward  Contracts usually are entered into
on a principal basis, no  fees or commissions are  involved. The use of  Forward
Contracts  does  not  eliminate fluctuations  in  the prices  of  the underlying
securities the Fund owns or intends to acquire, but it does establish a rate  of
exchange in advance. In addition, while Forward Contract sales limit the risk of
loss due to a decline in the value of the hedged currencies, they also limit any
potential gain that might result should the value of the currencies increase.
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
The  Fund may use options on  foreign currencies, Futures on foreign currencies,
options on Futures on foreign currencies and Forward Contracts to hedge  against
movements in the values of the foreign currencies in which the Fund's securities
are  denominated. Such currency hedges can  protect against price movements in a
security that  the Fund  owns or  intends to  acquire that  are attributable  to
changes  in the value of the currency in which it is denominated. Such hedges do
not, however,  protect  against  price  movements in  the  securities  that  are
attributable to other causes.
 
   
The  Fund  might seek  to hedge  against changes  in the  value of  a particular
currency when no  Futures Contract,  Forward Contract or  option involving  that
currency  is available or one  of such contracts is  more expensive than certain
other contracts. In such  cases, the Fund may  hedge against price movements  in
that  currency by  entering into  a contract  on another  currency or  basket of
currencies, the values of  which the Sub-adviser believes  will have a  positive
correlation  to the value of the currency  being hedged. The risk that movements
in the price of the contract will not correlate perfectly with movements in  the
price of the currency being hedged is magnified when this strategy is used.
    
 
The  value of Futures Contracts, options on Futures Contracts, Forward Contracts
and options  on  foreign currencies  depends  on  the value  of  the  underlying
currency  relative  to the  U.S. dollar.  Because foreign  currency transactions
occurring in the  interbank market  might involve  substantially larger  amounts
than  those  involved in  the  use of  Futures  Contracts, Forward  Contracts or
options, the  Fund could  be disadvantaged  by  dealing in  the odd  lot  market
(generally
 
                  Statement of Additional Information Page 14
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
consisting  of transactions of less than  $1 million) for the underlying foreign
currencies at prices that are less favorable than for round lots.
 
There is no systematic reporting of last sale information for foreign currencies
or any  regulatory requirements  that quotations  available through  dealers  or
other market sources be firm or revised on a timely basis. Quotation information
generally  is representative of very large  transactions in the interbank market
and thus  might not  reflect  odd-lot transactions  where  rates might  be  less
favorable.   The   interbank  market   in  foreign   currencies  is   a  global,
round-the-clock market. To the  extent the U.S. options  or Futures markets  are
closed  while the markets for the underlying currencies remain open, significant
price and rate movements might take place in the underlying markets that  cannot
be  reflected in  the markets  for the Futures  contracts or  options until they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies might  be required  to  take place  within  the country  issuing  the
underlying currency. Thus, the Fund might be required to accept or make delivery
of  the  underlying foreign  currency  in accordance  with  any U.S.  or foreign
regulations regarding the  maintenance of foreign  banking arrangements by  U.S.
residents  and might be required  to pay any fees,  taxes and charges associated
with such delivery assessed in the issuing country.
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased by  the Fund)  expose the  Fund to  an obligation  to another
party. The Fund will not enter into any such transactions unless it owns  either
(1)  an  offsetting ("covered")  position  in securities,  currencies,  or other
options, Forward Contracts or  Futures Contracts, or  (2) cash, receivables  and
short-term  debt securities with  a value sufficient  at all times  to cover its
potential obligations not covered as provided in (1) above. The Fund will comply
with SEC guidelines regarding cover for these instruments and, if the guidelines
so require, set aside cash or liquid securities.
 
Assets used as cover or  held in a segregated account  cannot be sold while  the
position  in the corresponding  Forward Contract, Futures  Contract or option is
open, unless they are replaced with other appropriate assets. If a large portion
of the Fund's assets are used for cover or otherwise set aside, it could  affect
portfolio  management or the Fund's ability to meet redemption requests or other
current obligations.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
The Fund  may  invest up  to  15% of  its  net assets  in  illiquid  securities.
Securities  may  be considered  illiquid if  the  Fund cannot  reasonably expect
within seven days to sell the  securities for approximately the amount at  which
the Fund values such securities. The sale of illiquid securities, if they can be
sold  at all, generally  will require more  time and result  in higher brokerage
charges or dealer discounts and other  selling expenses than the sale of  liquid
securities, such as securities eligible for trading on U.S. securities exchanges
or in the over-the-counter markets. Moreover, restricted securities which may be
illiquid  for purposes  of this limitation,  often sell,  if at all,  at a price
lower than similar securities that are not subject to restrictions on resale.
 
Illiquid securities include those that are subject to restrictions contained  in
the  securities laws  of other  countries. However,  securities that  are freely
marketable in the country  where they are principally  traded, but would not  be
freely  marketable in the United States,  will not be considered illiquid. Where
registration is required, the Fund  may be obligated to pay  all or part of  the
registration  expenses and a considerable period  may elapse between the time of
the decision to sell and the time the  Fund may be permitted to sell a  security
under  an effective  registration statement. If,  during such  a period, adverse
market conditions were to develop, the Fund might obtain a less favorable  price
than prevailed when it decided to sell.
 
Not   all  restricted  securities   are  illiquid.  In   recent  years  a  large
institutional  market  has  developed  for  certain  securities  that  are   not
registered  under the Securities Act of 1933, as amended ("1933 Act"), including
private placements, repurchase agreements, commercial paper, foreign  securities
and corporate bonds and notes. These instruments are often restricted securities
because  the  securities are  sold in  transactions not  requiring registration.
Institutional investors generally will not
 
                  Statement of Additional Information Page 15
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
seek to sell  these instruments to  the general public,  but instead will  often
depend  either on an  efficient institutional market  in which such unregistered
securities can be readily resold or on an issuer's ability to honor a demand for
repayment. Therefore, the fact that there are contractual or legal  restrictions
on  resale to the general  public or certain institutions  is not dispositive of
the liquidity of such investments.
 
Rule 144A under the 1933 Act  establishes a "safe harbor" from the  registration
requirements  of the  1933 Act  for resales  of certain  securities to qualified
institutional buyers.  Institutional  markets  for  restricted  securities  have
developed  as a result of Rule 144A, providing both readily ascertainable values
for restricted securities and the ability to liquidate an investment to  satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance  and  settlement of  unregistered securities  of domestic  and foreign
issuers, such as  the PORTAL  System sponsored  by the  National Association  of
Securities  Dealers,  Inc.  An insufficient  number  of  qualified institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
the Fund, however, could  affect adversely the  marketability of such  portfolio
securities  and the Fund might be unable  to dispose of such securities promptly
or at favorable prices.
 
   
With respect  to  liquidity determinations  generally,  the Company's  Board  of
Trustees  has  the  ultimate  responsibility  for  determining  whether specific
securities, including restricted securities pursuant to Rule 144A under the 1933
Act, are liquid  or illiquid.  The Board has  delegated the  function of  making
day-to-day  determinations of  liquidity to  the Sub-adviser  in accordance with
procedures approved by the Board. The Sub-adviser takes into account a number of
factors in reaching liquidity decisions, including (i) the frequency of  trading
in  the security, (ii) the  number of dealers who  make quotes for the security,
(iii) the  number  of dealers  who  have undertaken  to  make a  market  in  the
security,  (iv) the number of other potential  purchasers, and (v) the nature of
the security and  how trading is  effected (e.g.,  the time needed  to sell  the
security,  how  offers  are  solicited  and  the  mechanics  of  transfer).  The
Sub-adviser monitors the  liquidity of  securities in the  Fund's portfolio  and
periodically  reports such  determinations to  the Board  as applicable.  If the
liquidity percentage  restriction  of the  Fund  is  satisfied at  the  time  of
investment,  a later increase  in the percentage of  illiquid securities held by
the Fund resulting from a change in market value or assets will not constitute a
violation of that restriction.  If as a  result of a change  in market value  or
assets,  the percentage of illiquid securities  held by the Fund increases above
the applicable limit, the Sub-adviser will  take appropriate steps to bring  the
aggregate  amount of illiquid  assets back within  the prescribed limitations as
soon  as  reasonably  practicable,  taking  into  account  the  effect  of   any
disposition on the Fund.
    
 
FOREIGN SECURITIES
    POLITICAL,  SOCIAL AND ECONOMIC  RISKS. Investing in  securities of non-U.S.
companies may entail additional risks due to the potential political, social and
economic instability  of  certain  countries and  the  risks  of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility of currencies into  U.S. dollars and on  repatriation
of  capital invested.  In the  event of  such expropriation,  nationalization or
other confiscation by any country, the Fund could lose its entire investment  in
any such country.
 
In  addition, even  though opportunities  for investment  may exist  in emerging
markets, any change in  the leadership or policies  of the governments of  those
countries  or  in  the leadership  or  policies  of any  other  government which
exercises a significant influence over  those countries, may halt the  expansion
of  or reverse the  liberalization of foreign  investment policies now occurring
and thereby eliminate any investment opportunities which may currently exist.
 
Investors should note that upon the accession to power of authoritarian regimes,
the governments of a number of Latin American countries previously  expropriated
large  quantities of  real and personal  property similar to  the property which
will be  represented by  the securities  purchased by  the Fund.  The claims  of
property  owners against those governments were never finally settled. There can
be no assurance  that any property  represented by securities  purchased by  the
Fund  will not also be expropriated,  nationalized, or otherwise confiscated. If
such confiscation were to  occur, the Fund could  lose its entire investment  in
such  countries. The Fund's investments would similarly be adversely affected by
exchange control regulation in any of those countries.
 
    RELIGIOUS AND  ETHNIC STABILITY.  Certain countries  in which  the Fund  may
invest  may  have  groups  that  advocate  radical  religious  or  revolutionary
philosophies or support ethnic independence. Any disturbance on the part of such
individuals could carry the potential for widespread destruction or confiscation
of property owned by individuals and entities foreign to such country and  could
cause the loss of the Fund's investment in those countries. Instability may also
result  from,  among other  things,  (i) authoritarian  governments  or military
involvement in  political and  economic  decision-making, including  changes  in
government  through extra-constitutional  means, (ii)  popular unrest associated
with demands for improved political,  economic and social conditions, and  (iii)
hostile  relations with neighboring  or other countries.  Such political, social
and economic instability could disrupt the principal financial markets in  which
the Fund invests and adversely affect the value of the Fund's assets.
 
                  Statement of Additional Information Page 16
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial restrictions on investments  in their capital markets,  particularly
their  equity markets, by foreign entities  such as the Fund. These restrictions
or controls may at times limit or preclude investment in certain securities  and
may  increase the cost and expenses of  the Fund. For example, certain countries
require prior governmental approval before investments by foreign persons may be
made or may limit the  amount of investment by  foreign persons in a  particular
company,  or limit the investment by foreign persons to only a specific class of
securities of a company that may have less advantageous terms than securities of
the company available for purchase by nationals. Moreover, the national policies
of certain  countries  may  restrict  investment  opportunities  in  issuers  or
industries  deemed sensitive to national  interests. In addition, some countries
require governmental approval for the repatriation of investment income, capital
or the  proceeds  of  securities sales  by  foreign  investors. If  there  is  a
deterioration in a country's balance of payments or for other reasons, a country
may impose restrictions on foreign capital remittances abroad. The Fund could be
adversely   affected  by  delays  in,  or  a  refusal  to  grant,  any  required
governmental approval for repatriation, as well  as by the application to it  of
other restrictions on investments.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that  differ in some  cases significantly from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting principles. Most of the securities held by the Fund will not
be registered with the SEC  or regulators of any  foreign country, nor will  the
issuers thereof be subject to the SEC's reporting requirements. Thus, there will
be less available information concerning most foreign issuers of securities held
by  the Fund than is  available concerning U.S. issuers.  In instances where the
financial statements  of an  issuer are  not deemed  to reflect  accurately  the
financial  situation of the issuer, the  Sub-adviser will take appropriate steps
to evaluate the proposed investment, which may include on-site inspection of the
issuer, interviews  with  its  management and  consultations  with  accountants,
bankers  and other specialists.  There is substantially  less publicly available
information about foreign companies than there are reports and ratings published
about U.S.  companies  and  the  U.S.  government.  In  addition,  where  public
information  is  available,  it  may  be  less  reliable  than  such information
regarding U.S.  issuers.  Issuers of  securities  in foreign  jurisdictions  are
generally  not subject to the same degree of regulation as are U.S. issuers with
respect to such matters as restrictions on market manipulation, insider  trading
rules, shareholder proxy requirements and timely disclosure of information.
    
 
    CURRENCY  FLUCTUATIONS. Because  the Fund, under  normal circumstances, will
invest a substantial portion  of its total assets  in the securities of  foreign
issuers which are denominated in foreign currencies, the strength or weakness of
the  U.S. dollar against  such foreign currencies  will account for  part of the
Fund's investment performance. A decline in the value of any particular currency
against the U.S. dollar  will cause a  decline in the U.S.  dollar value of  the
Fund's  holdings  of  securities  and cash  denominated  in  such  currency and,
therefore, will cause an overall decline in  the Fund's net asset value and  any
net  investment  income and  capital gains  derived from  such securities  to be
distributed in U.S. dollars to shareholders of the Fund. Moreover, if the  value
of  the foreign currencies in which the  Fund receives its income falls relative
to the  U.S.  dollar between  receipt  of the  income  and the  making  of  Fund
distributions, the Fund may be required to liquidate securities in order to make
distributions  if  the Fund  has  insufficient cash  in  U. S.  dollars  to meet
distribution requirements.
 
The rate of exchange between the U.S. dollar and other currencies is  determined
by  several factors including  the supply and  demand for particular currencies,
central bank efforts to support particular currencies, the movement of  interest
rates,  the pace of business activity in  certain other countries and the United
States, and other economic and financial conditions affecting the world economy.
 
Although the Fund values its assets daily in terms of U.S. dollars, it does  not
intend  to convert  its holdings  of foreign currencies  into U.S.  dollars on a
daily basis. The  Fund will do  so from time  to time, and  investors should  be
aware  of the costs of currency conversion. Although foreign exchange dealers do
not charge  a  fee  for conversion,  they  do  realize a  profit  based  on  the
difference  ("spread") between the  prices at which they  are buying and selling
various currencies. Thus, a dealer may offer  to sell a foreign currency to  the
Fund  at one  rate, while  offering a  lesser rate  of exchange  should the Fund
desire to sell that currency to the dealer.
 
    ADVERSE MARKET CHARACTERISTICS.  Securities of many  foreign issuers may  be
less  liquid and their  prices more volatile than  securities of comparable U.S.
issuers. In  addition,  foreign securities  markets  and brokers  generally  are
subject  to  less governmental  supervision and  regulation  than in  the United
States, and  foreign  securities  transactions  usually  are  subject  to  fixed
commissions,  which  generally are  higher than  negotiated commissions  on U.S.
transactions. In addition, foreign
 
                  Statement of Additional Information Page 17
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
securities transactions  may  be subject  to  difficulties associated  with  the
settlement  of such transactions. Delays in settlement could result in temporary
periods when assets of the Fund are uninvested and no return is earned  thereon.
The  inability of the Fund to make intended security purchases due to settlement
problems could cause  the Fund  to miss attractive  opportunities. Inability  to
dispose  of a portfolio security due  to settlement problems either could result
in losses to  the Fund  due to  subsequent declines  in value  of the  portfolio
security or, if the Fund has entered into a contract to sell the security, could
result  in possible  liability to the  purchaser. The  Sub-adviser will consider
such difficulties when determining the allocation of the Fund's assets, although
the Sub-adviser does  not believe that  such difficulties will  have a  material
adverse effect on the Fund's portfolio trading activities.
    
 
The  Fund may  use foreign  custodians, which may  involve risks  in addition to
those related to the  use of U.S. custodians.  Such risks include  uncertainties
relating  to (i) determining  and monitoring the  financial strength, reputation
and standing of the foreign  custodian, (ii) maintaining appropriate  safeguards
to  protect the Fund's investments and  (iii) possible difficulties in obtaining
and enforcing judgments against such custodians.
 
    WITHHOLDING TAXES.  The  Fund's net  investment  income from  securities  of
foreign  issuers may  be subject  to withholding  taxes by  the foreign issuer's
country, thereby reducing that  income or delaying the  receipt of income  where
those taxes may be recaptured. See "Taxes."
 
    CONCENTRATION.  To the extent the Fund  invests a significant portion of its
assets in securities of issuers located in a particular country or region of the
world, it may be subject to greater risks and may experience greater  volatility
than a fund that is more broadly diversified geographically.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  EMERGING  MARKETS.  Investing  in equity
securities of  companies  in emerging  markets  may entail  greater  risks  than
investing  in equity securities in developed  countries. These risks include (i)
less social, political and  economic stability; (ii) the  small current size  of
the  markets for such securities and the  currently low or nonexistent volume of
trading, which result in  a lack of liquidity  and in greater price  volatility;
(iii)  certain  national  policies  which  may  restrict  the  Fund's investment
opportunities, including  restrictions on  investment in  issuers or  industries
deemed  sensitive  to national  interests; (iv)  foreign  taxation; and  (v) the
absence of  developed  structures governing  private  or foreign  investment  or
allowing for judicial redress for injury to private property.
 
Investing  in the securities of companies in emerging markets may entail special
risks relating to potential political and economic instability and the risks  of
expropriation,  nationalization, confiscation or  the imposition of restrictions
on foreign investment, convertibility into  U.S. dollars and on repatriation  of
capital  invested. In the event of  such expropriation, nationalization or other
confiscation by any country,  the Fund could lose  its entire investment in  any
such country.
 
Emerging  securities  markets are  substantially  smaller, less  developed, less
liquid and more volatile than the major securities markets. The limited size  of
emerging securities markets and limited trading value in issuers compared to the
volume  of  trading in  U.S. securities  could  cause prices  to be  erratic for
reasons apart  from factors  that  affect the  quality  of the  securities.  For
example, limited market size may cause prices to be unduly influenced by traders
who  control  large  positions. Adverse  publicity  and  investors' perceptions,
whether or  not  based on  fundamental  analysis,  may decrease  the  value  and
liquidity  of portfolio  securities, especially  in these  markets. In addition,
securities traded in certain emerging markets may be subject to risks due to the
inexperience of financial intermediaries, a lack of modern technology, the  lack
of  a sufficient capital base to expand business operations, and the possibility
of permanent or temporary termination of trading.
 
Settlement mechanisms in emerging securities  markets may be less efficient  and
reliable  than in more developed markets.  In such emerging securities there may
be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and  may  continue to  have  negative effects  on  the economies  and securities
markets of certain emerging market countries.
 
   
    SPECIAL CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The  countries
that  are members of the European Economic Community ("Common Market") (Belgium,
Denmark, France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg,  Netherlands,
Portugal,  Spain, and the United Kingdom)  eliminated certain import tariffs and
quotas and  other trade  barriers with  respect  to one  another over  the  past
several  years. The Sub-adviser  believes that this  deregulation should improve
the prospects  for economic  growth in  many Western  European countries.  Among
other  things, the deregulation could enable  companies domiciled in one country
to avail  themselves  of lower  labor  costs  existing in  other  countries.  In
addition,  this deregulation could benefit companies domiciled in one country by
opening additional  markets for  their goods  and services  in other  countries.
Since,  however, it is not  clear what the exact form  or effect of these Common
Market reforms
    
 
                  Statement of Additional Information Page 18
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
will be on business in Western Europe, it is impossible to predict the long-term
impact of the implementation  of these programs on  the securities owned by  the
Fund.
 
    SPECIAL    CONSIDERATIONS    AFFECTING   RUSSIA    AND    EASTERN   EUROPEAN
COUNTRIES. Investing in Russia  and Eastern European  countries involves a  high
degree  of  risk  and  special  considerations  not  typically  associated  with
investing in  the  U.S.  securities  markets and  should  be  considered  highly
speculative.  Such risks include the following: (1) delays in settling portfolio
transactions and risk of  loss arising out of  the system of share  registration
and  custody; (2) the risk  that it may be impossible  or more difficult than in
other countries  to obtain  and/or  enforce a  judgement; (3)  pervasiveness  of
corruption  and  crime  in  the  economic  system;  (4)  currency  exchange rate
volatility and the lack  of available currency  hedging instruments; (5)  higher
rates  of inflation (including the risk of social unrest associated with periods
of hyper-inflation) and  high unemployment; (6)  controls on foreign  investment
and   local  practices   disfavoring  foreign   investors  and   limitations  on
repatriation of  invested capital,  profits  and dividends,  and on  the  Fund's
ability to exchange local currencies for U.S. dollars; (7) political instability
and  social unrest and violence; (8) the risk that the governments of Russia and
Eastern European countries may  decide not to continue  to support the  economic
reform  programs  implemented  recently  and  could  follow  radically different
political and/or  economic policies  to the  detriment of  investors,  including
non-market-oriented  policies such as  the support of  certain industries at the
expense of other  sectors or  investors, or a  return to  the centrally  planned
economy that existed when such countries had a communist form of government; (9)
the financial condition of companies in these countries, including large amounts
of  inter-company debt which may  create a payments crisis  on a national scale;
(10) dependency on  exports and  the corresponding  importance of  international
trade; (11) the risk that the tax system in these countries will not be reformed
to  prevent inconsistent, retroactive  and/or exorbitant taxation;  and (12) the
underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly since 1990. The general government position has deteriorated as  a
result  of weakening economic  growth and stimulative  measures taken to support
economic activity and to  restore financial stability.  Although the decline  in
interest   rates  and  fiscal  stimulation   packages  have  helped  to  contain
recessionary forces, uncertainties remain. Japan is also heavily dependent  upon
international  trade, so its  economy is especially  sensitive to trade barriers
and disputes.  Japan has  had  difficult relations  with its  trading  partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible  that  trade sanctions  and other  protectionist measures  could impact
Japan adversely in both the short and the long term.
 
The common  stocks  of many  Japanese  companies trade  at  high  price-earnings
ratios.  Differences  in accounting  methods make  it  difficult to  compare the
earnings of  Japanese companies  with  those of  companies in  other  countries,
especially  in the  United States  In general,  however, reported  net income in
Japan is  understated relative  to U.S.  accounting standards  and this  is  one
reason why price-earnings ratios of the stocks of Japanese companies have tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally been  lower than in  the United States,
both of  which  factors  tend to  result  in  lower discount  rates  and  higher
price-earnings ratios in Japan than in the United States.
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
 
Many  of the Asia Pacific region countries may be subject to a greater degree of
social, political  and economic  instability  than is  the  case in  the  United
States. Such instability may result from, among other things, the following: (i)
authoritarian  governments  or military  involvement  in political  and economic
decision making, and changes  in government through extra-constitutional  means;
(ii) popular unrest associated with demands for improved political, economic and
social  conditions;  (iii) internal  insurgencies;  (iv) hostile  relations with
neighboring countries; and (v) ethnic,  religious and racial disaffection.  Such
social,  political  and  economic instability  could  significantly  disrupt the
principal financial markets in which the  Fund invests and adversely affect  the
value  of  the  Fund's  assets.  In  addition,  asset  expropriations  or future
confiscatory levels of taxation possibly may affect the Fund.
 
Several of the  Asia Pacific region  countries have,  or in the  past have  had,
hostile  relationships  with neighboring  nations  or have  experienced internal
insurgency. Thailand has  experienced border conflicts  with Laos and  Cambodia,
and India is
 
                  Statement of Additional Information Page 19
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
engaged  in border disputes  with several of its  neighbors, including China and
Pakistan. An uneasy truce  exists between North Korea  and South Korea, and  the
recurrence  of hostilities  remains possible.  Reunification of  North Korea and
South Korea could have a detrimental effect on the economy of South Korea. Also,
China continues  to claim  sovereignty over  Taiwan and  recently has  conducted
military maneuvers near Taiwan.
 
The economies of most of the Asia Pacific region countries are heavily dependent
upon  international  trade  and  are accordingly  affected  by  protective trade
barriers and the economic conditions of their trading partners, principally  the
United  States, Japan,  China and the  European Community. The  enactment by the
United States  or  other  principal  trading  partners  of  protectionist  trade
legislation,  reduction of foreign investment in the local economies and general
declines in  the  international  securities markets  could  have  a  significant
adverse effect upon the securities markets of the Asia Pacific region countries.
In  addition,  the  economies of  some  of  the Asia  Pacific  region countries,
Australia and Indonesia, for example, are vulnerable to weakness in world prices
for their commodity exports, including crude oil.
 
China recently assumed sovereignty over Hong  Kong in July 1997. Although  China
has  committed by treaty to preserve the economic and social freedoms enjoyed in
Hong Kong for fifty years, the continuation of the current form of the  economic
system  in Hong Kong will  depend on the actions of  the government of China. In
addition, such assumption of sovereignty has increased sensitivity in Hong  Kong
to  political developments and  statements by public  figures in China. Business
confidence in  Hong  Kong, therefore,  can  be significantly  affected  by  such
developments  and  statements, which  in turn  can  affect markets  and business
performance.
 
In addition, the Chinese  sovereignty over Hong Kong  also presents a risk  that
the  Hong Kong dollar will  be devalued and a risk  of possible loss of investor
confidence in the Hong Kong markets and dollar. However, factors exist that  are
likely to mitigate this risk. First, China has stated its intention to implement
a  "one country, two systems" policy,  which would preserve monetary sovereignty
and leave control in the hands of the Hong Kong Monetary Authority ("HKMA").
 
Second, fixed  rate  parity  with  the  U.S.  dollar  is  seen  as  critical  to
maintaining  investors'  confidence  in  the transition  to  Chinese  rule, and,
therefore, it is anticipated that, if international investors lose confidence in
Hong Kong  dollar assets,  the HKMA  would intervene  to support  the  currency,
though  such  intervention cannot  be assured.  Third,  Hong Kong's  and China's
sizable combined foreign exchange  reserve may be used  to support the value  of
the Hong Kong dollar, provided that China does not appropriate such reserves for
other uses, which is not anticipated but cannot be assured. Finally, China would
be  likely to experience significant adverse political and economic consequences
if confidence  in the  Hong Kong  dollar and  the territory  assets were  to  be
endangered.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American countries have experienced substantial,  and in some periods  extremely
high,  rates of  inflation for many  years. Inflation and  rapid fluctuations in
inflation rates have had and may continue  to have very negative effects on  the
economies  and securities markets  of certain Latin  American countries. Certain
Latin American countries are also among the largest debtors to commercial  banks
and foreign governments. At times certain Latin American countries have declared
moratoria  on  the payment  of principal  and/or interest  on external  debt. In
addition, certain  Latin  American  securities  markets  have  experienced  high
volatility in recent years.
 
Latin  American countries may  also close certain sectors  of their economies to
equity investments  by foreigners.  Further  due to  the absence  of  securities
markets  and  publicly  owned corporations  and  due to  restrictions  on direct
investment by foreign entities,  investments may only be  made in certain  Latin
American   countries  solely   or  primarily   through  governmentally  approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at artificial levels to the U.S. dollar rather than at levels determined by  the
market.  This type  of system can  lead to  sudden and large  adjustments in the
currency which, in turn,  can have a disruptive  and negative effect on  foreign
investors.  For example, in late  1994, the value of  the Mexican peso lost more
than one-third of its value relative to the U.S. dollar.
 
    SOVEREIGN DEBT. Sovereign Debt generally offers high yields, reflecting  not
only  perceived  credit risk,  but also  the  need to  compete with  other local
investments in domestic financial markets. Certain Latin American countries  are
among  the  largest  debtors  to commercial  banks  and  foreign  governments. A
sovereign debtor's willingness or ability to repay principal and interest due in
a timely  manner  may  be  affected  by, among  other  factors,  its  cash  flow
situation,  the extent of  its foreign reserves,  the availability of sufficient
foreign exchange on the  date a payment  is due, the relative  size of the  debt
service  burden to the economy as a whole, the sovereign debtor's policy towards
the International  Monetary  Fund  and  the political  constraints  to  which  a
sovereign  debtor  may  be  subject.  Sovereign  debtors  may  default  on their
Sovereign  Debt.  Sovereign   debtors  may   also  be   dependent  on   expected
disbursements  from foreign governments, multilateral agencies and others abroad
to reduce principal and interest arrearages on their debt. The commitment on the
part of these
 
                  Statement of Additional Information Page 20
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
governments, agencies and others to  make such disbursements may be  conditioned
on  a  sovereign debtor's  implementation  of economic  reforms  and/or economic
performance and  the timely  service of  such debtor's  obligations. Failure  to
implement  such reforms,  achieve such levels  of economic  performance or repay
principal or interest  when due, may  result in the  cancellation of such  third
parties'  commitments to lend  funds to the sovereign  debtor, which may further
impair such debtor's ability or willingness to timely service its debts.
 
In recent years, some of the Latin American countries in which the Fund  expects
to  invest have encountered difficulties in servicing their Sovereign Debt. Some
of these  countries  have withheld  payments  of interest  and/or  principal  of
Sovereign  Debt. These difficulties  have also led  to agreements to restructure
external debt obligations -- in particular, commercial bank loans, typically  by
rescheduling  principal  payments,  reducing interest  rates  and  extending new
credits to finance interest payments on existing debt. In the future, holders of
Sovereign Debt may be requested to  participate in similar rescheduling of  such
debt.
 
The  ability  of Latin  American governments  to make  timely payments  on their
Sovereign Debt is  likely to be  influenced strongly by  a country's balance  of
trade  and its access to trade and  other international credits. A country whose
exports are concentrated in a few  commodities could be vulnerable to a  decline
in  the  international prices  of  one or  more  of such  commodities. Increased
protectionism on the part of a  country's trading partners could also  adversely
affect its exports.
 
   
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting principles. Most of the foreign securities held by the  Fund
will  not be registered with  the SEC or regulators  of any foreign country, nor
will the issuers thereof be subject  to the SEC's reporting requirements.  Thus,
there  will be  less available  information concerning  most foreign  issuers of
securities held  by the  Fund  than is  available  concerning U.S.  issuers.  In
instances  where the financial statements of an issuer are not deemed to reflect
accurately the  financial situation  of the  issuer, the  Sub-adviser will  take
appropriate steps to evaluate the proposed investment, which may include on-site
inspection  of the issuer, interviews with its management and consultations with
accountants, bankers and other specialists. There is substantially less publicly
available information about foreign companies than there are reports and ratings
published about  U.S. companies  and  the U.S.  government. In  addition,  where
public  information is available, it may  be less reliable than such information
regarding U.S. issuers. In addition, for companies that keep accounting  records
in  local currency, inflation accounting rules  in some Latin American countries
require,  for  both  tax  and  accounting  purposes,  that  certain  assets  and
liabilities be restated on the company's balance sheet in order to express items
in  terms of  currency of  constant purchasing  power. Inflation  accounting may
indirectly generate  losses or  profits. There  is substantially  less  publicly
available   information  about  foreign   companies,  including  Latin  American
companies, and  the  governments of  Latin  American countries  than  there  are
reports  and ratings  published about  U.S. companies  and the  U.S. government.
Issuers of securities in foreign jurisdictions are generally not subject to  the
same  degree of regulation as  are U.S. issuers with  respect to such matters as
restrictions on market  manipulation, insider trading  rules, shareholder  proxy
requirements and timely disclosure of information.
    
 
- --------------------------------------------------------------------------------
 
   
                             INVESTMENT LIMITATIONS
    
 
- --------------------------------------------------------------------------------
 
   
The  Fund's investment objectives may  not be changed without  the approval of a
majority of its outstanding voting securities. As defined in the 1940 Act and as
used in  this Statement  of Additional  Information a  "majority of  the  Fund's
outstanding  voting  securities"  means the  lesser  of  (i) 67%  of  the shares
represented at a meeting at  which more than 50%  of the outstanding shares  are
represented  and (ii) more than 50% of  the outstanding shares. In addition, the
Fund has adopted the following  fundamental investment limitations that may  not
be changed without approval of a majority of its outstanding voting securities.
    
 
   
The Fund may not:
    
 
   
        (1)  issue senior securities or borrow  money, except as permitted under
    the 1940 Act and then  not in excess of 33  1/3% of the Fund's total  assets
    (including   the  amount  borrowed  but   reduced  by  any  liabilities  not
    constituting
    
 
                  Statement of Additional Information Page 21
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
    borrowings) at the time of the borrowing, except that the Fund may borrow up
    to an additional 5% of its total assets (not including the amount  borrowed)
    for temporary or emergency purposes;
    
 
   
        (2)  purchase any security if, as a result of that purchase, 25% or more
    of the Fund's total assets would be invested in securities of issuers having
    their principal business activities in  the same industry, except that  this
    limitation  does not  apply to securities  issued or guaranteed  by the U.S.
    government, its agencies or instrumentalities;
    
 
   
        (3) engage in the business of underwriting securities of other  issuers,
    except  to the extent that the Fund might be considered an underwriter under
    the federal securities laws in connection with its disposition of  portfolio
    securities;
    
 
   
        (4)  purchase or sell real estate, except that investments in securities
    of issuers that  invest in  real estate and  investments in  mortgage-backed
    securities,  mortgage  participations  or  other  instruments  supported  by
    interests in real estate are not subject to this limitation, and except that
    the Fund may exercise rights  under agreements relating to such  securities,
    including  the right to  enforce security interests and  to hold real estate
    acquired by  reason  of such  enforcement  until  that real  estate  can  be
    liquidated in an orderly manner;
    
 
   
        (5)  purchase or sell  physical commodities, but  the Fund may purchase,
    sell or enter into financial options and futures, forward and spot  currency
    contracts,  swap transactions  and other  financial contracts  or derivative
    instruments;
    
 
   
        (6) make loans, except through loans of portfolio securities or  through
    repurchase  agreements, provided that  for purposes of  this limitation, the
    acquisition of bonds, debentures, other  debt securities or instruments,  or
    participations  or  other interests  therein  and investments  in government
    obligations, commercial paper, certificates of deposit, bankers' acceptances
    or similar instruments will not be considered the making of a loan.
    
 
   
Notwithstanding any other investment policy of the Fund, the Fund may invest all
of  its  investable  assets  (cash,   securities  and  receivables  related   to
securities)  in an  open-end management investment  company having substantially
the same investment objective, policies and limitations as the Fund.
    
 
   
For purposes of the concentration policy of the Fund contained in limitation (2)
above, the Fund intends  to comply with the  SEC staff position that  securities
issued  or guaranteed  as to  principal and interest  by any  one single foreign
government,  or  by  all  supranational  organizations  in  the  aggregate,  are
considered to be securities of issuers in the same industry.
    
 
   
In  addition, to  comply with  federal tax  requirements for  qualification as a
"regulated investment company" ("RIC"), the  Fund's investments will be  limited
so that, at the close of each quarter of its taxable year, (a) not more than 25%
of  the value of its total assets is  invested in the securities (other than U.S
government securities or the securities of other RICs) of any one issuer and (b)
at least 50% of the  value of its total assets  is represented by cash and  cash
items,   U.S.  government  securities,  securities   of  other  RICs  and  other
securities, with these other securities limited,  in respect of any one  issuer,
to  an amount that does not exceed 5% of  the value of its total assets and that
does not represent more than 10%  of the issuer's outstanding voting  securities
("Diversification  Requirements"). These tax-related  limitations may be changed
by the  Company's Board  of Trustees  to  the extent  necessary to  comply  with
changes to applicable tax requirements.
    
 
   
The  following operating policy of the Fund  is not a fundamental policy and may
be changed  by vote  of  the Company's  Board  of Trustees  without  shareholder
approval:  The Fund  will not purchase  securities on margin,  provided that the
Fund may obtain  short-term credits  as may be  necessary for  the clearance  of
purchases  and sales of securities, and further  provided that the Fund may make
margin deposits in  connection with its  use of financial  options and  futures,
forward  and  spot currency  contracts,  swap transactions  and  other financial
contracts or derivative instruments.
    
 
                  Statement of Additional Information Page 22
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                             EXECUTION OF PORTFOLIO
                                  TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
   
Subject to  policies  established  by  the  Company's  Board  of  Trustees,  the
Sub-adviser   is  responsible  for   the  execution  of   the  Fund's  portfolio
transactions and the selection of  broker/dealers who execute such  transactions
on  behalf of  the Fund.  In executing  portfolio transactions,  the Sub-adviser
seeks the best net results for the Fund, taking into account such factors as the
price (including the applicable brokerage commission or dealer spread), size  of
the  order,  difficulty  of execution  and  operational facilities  of  the firm
involved.  Although  the  Sub-adviser  generally  seeks  reasonably  competitive
commission  rates and spreads, payment of the lowest commission or spread is not
necessarily consistent with the best net  results. While the Fund may engage  in
soft dollar arrangements for research services, as described below, the Fund has
no  obligation to deal with any broker/dealer  or group of broker/dealers in the
execution of portfolio transactions.
    
 
Debt securities generally are traded  on a "net" basis  with a dealer acting  as
principal for its own account without a stated commission, although the price of
the  security  usually  includes  a  profit  to  the  dealer.  U.S.  and foreign
government securities and money market  instruments generally are traded in  the
OTC  markets. In underwritten  offerings, securities usually  are purchased at a
fixed price which  includes an  amount of  compensation to  the underwriter.  On
occasion,  securities may be purchased directly from an issuer, in which case no
commissions or discounts  are paid.  Broker/dealers may  receive commissions  on
futures, currency and options transactions.
 
   
Consistent with the interests of the Fund, the Sub-adviser may select brokers to
execute  the Fund's  portfolio transactions,  on the  basis of  the research and
brokerage services they provide to the  Sub-adviser for its use in managing  the
Fund  and  its other  advisory accounts.  Such  services may  include furnishing
analyses, reports and  information concerning  issuers, industries,  securities,
geographic  regions,  economic  factors  and  trends,  portfolio  strategy,  and
performance of accounts;  and effecting securities  transactions and  performing
functions  incidental thereto (such  as clearance and  settlement). Research and
brokerage services received  from such brokers  are in addition  to, and not  in
lieu  of, the  services required  to be performed  by the  Sub-adviser under the
investment management and  administration contracts. A  commission paid to  such
brokers  may  be higher  than  that which  another  qualified broker  would have
charged for  effecting  the  same transaction,  provided  that  the  Sub-adviser
determines  in good faith that such commission  is reasonable in terms either of
that particular transaction or the overall responsibility of the Sub-adviser  to
the  Fund and its other clients and that  the total commissions paid by the Fund
will be reasonable in relation to the  benefits it received over the long  term.
Research   services  may  also  be  received   from  dealers  who  execute  Fund
transactions in OTC markets.
    
 
   
The Sub-adviser may allocate brokerage  transactions to broker/dealers who  have
entered  into arrangements under which the  broker/dealer allocates a portion of
the commissions paid by the Fund toward payment of the Fund's expenses, such  as
transfer agent and custodian fees.
    
 
   
Investment  decisions for the Fund and  for other investment accounts managed by
the Sub-adviser  are made  independently of  each other  in light  of  differing
conditions.  However, the same investment decision  occasionally may be made for
two or more  of such accounts  including the Fund.  In such cases,  simultaneous
transactions  may occur. Purchases  or sales are  then allocated as  to price or
amount in a manner deemed fair and equitable to all accounts involved. While  in
some cases this practice could have a detrimental effect upon the price or value
of the security as far as the Fund is concerned, in other cases, the Sub-adviser
believes that coordination and the ability to participate in volume transactions
will be beneficial to the Fund.
    
 
   
Under  a policy adopted by  the Company's Board of  Trustees, and subject to the
policy of  obtaining  the best  net  results,  the Sub-adviser  may  consider  a
broker/dealer's sale of the shares of the Fund and the other funds for which the
Sub-adviser  serves as investment  manager in selecting  brokers and dealers for
the execution of portfolio transactions. This policy does not imply a commitment
to execute portfolio transactions through all broker/dealers that sell shares of
the Fund and such other funds.
    
 
The  Fund   contemplates   purchasing   most  foreign   equity   securities   in
over-the-counter  markets or stock  exchanges located in  the countries in which
the respective principal offices  of the issuers of  the various securities  are
located,  if that is  the best available  market. The fixed  commissions paid in
connection with most such foreign  stock transactions generally are higher  than
negotiated  commissions on U.S. transactions. There generally is less government
supervision and regulation
 
                  Statement of Additional Information Page 23
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
of foreign  stock exchanges  and  brokers than  in  the United  States.  Foreign
security  settlements may  in some  instances be  subject to  delays and related
administrative uncertainties.
 
   
Foreign equity securities may  be held by  the Fund in the  form of ADRs,  ADSs,
EDRs, GDRs, CDRs or securities convertible into foreign equity securities. ADRs,
ADSs, EDRs, GDRs and CDRs may be listed on stock exchanges, or traded in the OTC
markets  in the United  States or Europe, as  the case may  be. ADRs, like other
securities traded in the United States, will be subject to negotiated commission
rates. The foreign and domestic debt securities and money market instruments  in
which the Fund may invest generally are traded in the OTC markets.
    
 
   
The Fund contemplates that, consistent with the policy of obtaining the best net
results,  brokerage  transactions  may be  conducted  through  certain companies
affiliated with AIM  or the  Sub-adviser. The  Company's Board  of Trustees  has
adopted  procedures in conformity with  Rule 17e-1 under the  1940 Act to ensure
that all brokerage commissions paid to  such affiliates are reasonable and  fair
in  the context of the market in which they are operating. Any such transactions
will  be  effected  and  related  compensation  paid  only  in  accordance  with
applicable SEC regulations.
    
 
For  the fiscal years  ended December 31,  1997, 1996 and  1995, the Predecessor
Fund  paid  aggregate  brokerage  commissions  of  $2,212,022,  $1,580,879   and
$1,311,090, respectively.
 
PORTFOLIO TRADING AND TURNOVER
   
The  Fund engages in  portfolio trading when the  Sub-adviser has concluded that
the sale of a security owned by the Fund and/or the purchase of another security
of better value can enhance principal and/or increase income. A security may  be
sold  to avoid  any prospective decline  in market  value, or a  security may be
purchased  in  anticipation  of  a  market  rise.  Consistent  with  the  Fund's
investment  objective, a  security also  may be  sold and  a comparable security
purchased coincidentally in order to take advantage of what is believed to be  a
disparity in the normal yield and price relationship between the two securities.
Although the Fund does not intend generally to trade for short-term profits, the
securities  in the Fund's portfolio will be sold whenever management believes it
is appropriate to  do so,  without regard  to the  length of  time a  particular
security  may have been held. Portfolio  turnover rate is calculated by dividing
the lesser of sales or purchases  of portfolio securities by the Fund's  average
month-end  portfolio  values,  excluding short-term  investments.  The portfolio
turnover rate will not be a limiting factor when the Sub-adviser deems portfolio
changes appropriate. Higher portfolio turnover involves correspondingly  greater
brokerage  commissions  and  other transaction  costs  that the  Fund  will bear
directly and may result in the realization of net capital gains that are taxable
when distributed to the Fund's shareholders. For the fiscal years ended December
31, 1997 and 1996, the Predecessor Fund's portfolio turnover rates were 184% and
138%, respectively.
    
 
                  Statement of Additional Information Page 24
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
                             TRUSTEES AND EXECUTIVE
                                    OFFICERS
    
 
- --------------------------------------------------------------------------------
 
   
The Company's Trustees and Executive Officers are listed below.
    
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Trustee, Chairman of the Board and       Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a trustee of each of the other investment companies
                                         registered under the Investment Company Act of 1940, as amended (the "1940 Act"), that is
                                         sub-advised or sub-administered by the Sub-adviser.
 
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Trustee                                  partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a trustee of each of the other investment
                                         companies registered under the 1940 Act that is sub-advised or sub-administered by the
                                         Sub-adviser.
 
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Trustee                                  Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   trustee of each of the other investment companies registered under the 1940 Act that is
Suite 2400                               sub-advised or sub- administered by the Sub-adviser.
San Francisco, CA 94111
 
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Trustee                                  serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a trustee of each of the other investment companies registered under the 1940 Act
                                         that is sub-advised or sub-administered by the Sub-adviser.
 
Ruth H. Quigley, 63                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Trustee                                  Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   trustee of each of the other investment companies registered under the 1940 Act that is
San Francisco, CA 94108                  sub-advised or sub-administered by the Sub-adviser.
</TABLE>
    
 
- --------------
   
*   Mr. Guilfoyle is an "interested person"  of the Trust as defined by the 1940
Act due to his affiliation with the Sub-adviser.
    
 
                  Statement of Additional Information Page 25
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
   
<TABLE>
<CAPTION>
NAME, POSITION(S) WITH THE               PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY AND ADDRESS                      EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
 
<S>                                      <C>
Kenneth W. Chancey, 52                   Senior Vice President -- Mutual Fund Accounting, the Sub-adviser since 1997; Vice
Vice President and                       President -- Mutual Fund Accounting from 1992 to 1997; and Vice President, Putnam
Principal Accounting Officer             Fiduciary Trust Company from 1989 to 1992.
50 California Street
San Francisco, CA 94111
 
Helge K. Lee, 52                         Chief Legal and Compliance Officer -- North America, the Sub-adviser since October 1997;
Vice President                           Executive Vice President of the Asset Management Division of Liechtenstein Global Trust
50 California Street                     since October 1996; Senior Vice President, General Counsel and Secretary of LGT Asset
San Francisco, CA 94111                  Management, Inc., Chancellor LGT, GT Global, GT Services and G.T. Insurance from February
                                         1996 to October 1996; Vice President, General Counsel and Secretary of GT Asset
                                         Management, Inc., [Chancellor LGT], GT Global, GT Services and G.T. Insurance from May
                                         1994 to February 1996; Senior Vice President, General Counsel and Secretary of
                                         Strong/Corneliuson Management, Inc. and Secretary of each of the Strong Funds from October
                                         1991 through May 1994.
</TABLE>
    
 
   
[THERE MAY BE ADDITIONAL OFFICERS DESIGNATED PRIOR TO THE EFFECTIVE DATE OF THE
                            REGISTRATION STATEMENT.]
    
 
                            ------------------------
 
   
The Board of Trustees  has a Nominating and  Audit Committee, comprised of  Miss
Quigley  and Messrs.  Anderson, Bayley and  Patterson, which  is responsible for
nominating persons to serve as Trustees, reviewing audits of the Company and its
funds and recommending firms to serve  as independent auditors for the  Company.
Each  of the Trustees and officers of the  Company is also a Trustee and officer
of G.T. Investment Portfolios, GT Global Floating Rate Fund, G.T. Global  Growth
Series,  GT Global  Series Trust, G.T.  Global Eastern Europe  Fund, G.T. Global
Variable Investment Trust, G.T. Global  Variable Investment Series, Global  High
Income Portfolio, Floating Rate Portfolio and Global Investment Portfolio, which
are  also registered investment companies advised  by AIM and sub-advised by the
Sub-adviser. Each Trustee and Officer serves in total as a Trustee and  Officer,
respectively,  of 12 registered  investment companies with  47 series managed or
administered by AIM  and sub-advised  and sub-administered  by the  Sub-adviser.
Each  Trustee, who is not a director,  officer or employee of the Sub-adviser or
any affiliated company, is  paid aggregate fees of  $5,000 per annum, plus  $300
per Fund for each meeting of the Board attended, and reimbursed travel and other
expenses incurred in connection with attendance at such meetings. Other Trustees
and  officers receive no compensation or expense reimbursement from the Company.
For the  fiscal year  ended October  31,  1997, Mr.  Anderson, Mr.  Bayley,  Mr.
Patterson  and Miss Quigley, who are not directors, officers or employees of the
Sub-adviser or other affiliated company, received total compensation of $38,650,
$38,650, $27,850 and $38,650, respectively, from the Company for which he or she
serves as a Trustee. For the fiscal  year ended October 31, 1997, Mr.  Anderson,
Mr.  Bayley,  Mr.  Patterson and  Miss  Quigley received  total  compensation of
$117,304, $114,386,  $88,350 and  $111,688,  respectively, from  the  investment
companies managed or administered by AIM and sub-advised and sub-administered by
the  Sub-adviser for  which he  or she  serves as  a Trustee.  Fees and expenses
disbursed to the Trustees contained no accrued or payable pension or  retirement
benefits. As of January 8, 1998, the Officers and Trustees and their families as
a  group owned in  the aggregate beneficially or  of record less  than 1% of the
outstanding shares of the Fund or of all the Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 26
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
   
AIM  serves  as  the  Fund's  investment  manager  and  administrator  under  an
Investment  Management  and  Administration  Contract  ("Management   Contract")
between  the Company and AIM. The Sub-adviser serves as the sub-adviser and sub-
administrator to the Fund under  a Sub-Advisory and Sub-Administration  Contract
between  AIM and the  Sub-adviser ("Sub-Management Contract,"  and together with
the Management Contract, the "Management Contracts"). As investment managers and
administrators, AIM and the  Sub-adviser make all  investment decisions for  the
Fund  and  administer  the  Fund's  affairs. Among  other  things,  AIM  and the
Sub-adviser furnish the services and pay the compensation and travel expenses of
persons who  perform the  executive,  administrative, clerical  and  bookkeeping
functions  of  the Company  and  the Fund,  and  provide suitable  office space,
necessary small office equipment and utilities.
    
 
   
The Management Contract  may be renewed  for one-year terms,  provided that  any
such  renewal  has  been specifically  approved  at  least annually  by  (i) the
Company's Board  of  Trustees, or  by  the vote  of  a majority  of  the  Fund's
outstanding  voting securities (as defined in the 1940 Act), and (ii) a majority
of Trustees  who are  not  parties to  the  Management Contract  or  "interested
persons"  of any such  party (as defined in  the 1940 Act), cast  in person at a
meeting called  for  the  specific  purpose of  voting  on  such  approval.  The
Management  Contracts provide that with respect to the Fund, the Company or each
of AIM or the Sub-adviser may terminate the Contract without penalty upon  sixty
days'  written notice. The  Management Contracts terminate  automatically in the
event of their assignment (as defined in the 1940 Act).
    
 
   
The  following  table  discloses  the   amount  of  investment  management   and
administration  fees paid by the Predecessor  Fund to the Sub-adviser during the
Predecessor Fund's last three fiscal years:
    
 
<TABLE>
<CAPTION>
PERIOD                                                                                                        AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
Fiscal year ended Oct. 31, 1997............................................................................   $ 7,383,823
Fiscal year ended Dec. 31, 1996............................................................................   $ 7,864,840
Fiscal year ended Dec. 31, 1995............................................................................   $ 6,878,640
</TABLE>
 
DISTRIBUTION SERVICES
   
The Fund's  Advisor Class  shares are  offered continuously  through the  Fund's
principal  underwriter and  distributor, AIM  Distributors, on  a "best efforts"
basis without a sales charge or a contingent deferred sales charge.
    
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
   
The Transfer  Agent  has  been  retained by  the  Fund  to  perform  shareholder
servicing,  reporting and  general transfer  agent functions  for the  Fund. For
these services, the Transfer Agent receives an annual maintenance fee of  $17.50
per  account, a new account  fee of $4.00 per account,  a per transaction fee of
$1.75 for all transactions other than exchanges and a per exchange fee of $2.25.
The Transfer Agent also is reimbursed by the Fund for its out-of-pocket expenses
for such  items as  postage,  forms, telephone  charges, stationery  and  office
supplies. The Sub-adviser serves as the Fund's pricing and accounting agent.
    
 
EXPENSES OF THE FUND
   
The Fund pays all expenses not assumed by AIM, the Sub-adviser, AIM Distributors
and  other  agents.  These  expenses  include,  in  addition  to  the  advisory,
distribution, transfer agency, pricing and accounting agency and brokerage  fees
discussed  above,  legal and  audit expenses,  custodian fees,  directors' fees,
organizational  fees,  fidelity  bond  and  other  insurance  premiums,   taxes,
extraordinary  expenses and  the expenses  of reports  and prospectuses  sent to
existing investors.  The allocation  of general  Company expenses  and  expenses
shared  among the Fund  and other funds  organized as series  of the Company are
allocated on  a basis  deemed fair  and equitable,  which may  be based  on  the
relative  net assets  of the Fund  or the  nature of the  services performed and
relative applicability to  the Fund. Expenditures,  including costs incurred  in
connection  with  the  purchase  or  sale  of  portfolio  securities,  which are
capitalized  in  accordance  with   generally  accepted  accounting   principles
applicable  to investment companies, are accounted  for as capital items and not
as expenses. The ratio of the Fund's expenses to its relative net assets can  be
expected  to be  higher than  the expense  ratios of  funds investing  solely in
domestic securities,  since  the cost  of  maintaining the  custody  of  foreign
securities and the rate of investment management fees paid by the Fund generally
are higher than the comparable expenses of such other funds.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
   
As  described in the Prospectus,  the Fund's net asset  value per share for each
class of shares is determined  at the close of regular  trading on the New  York
Stock  Exchange  ("NYSE") (currently  4:00  p.m. Eastern  Time,  unless weather,
equipment failure or  other factors contribute  to an earlier  closing time)  on
each  business day the NYSE is open  for business. Currently, the NYSE is closed
on weekends and on certain days  relating to the following holidays: New  Year's
Day,  Martin Luther King  Day, President's Day, Good  Friday, Memorial Day, July
4th, Labor Day, Thanksgiving Day and Christmas Day.
    
 
The Fund's portfolio securities and other assets are valued as follows:
 
   
Equity securities, including  ADRs, ADSs,  GDRs and  EDRs, whcih  are traded  on
stock  exchanges, are valued  at the last sale  price on the  exchange or in the
principal over-the-counter market in which such securities are traded, as of the
close of business on  the day the  securities are being  valued or, lacking  any
sales,  at the last available bid price. In cases where securities are traded on
more than one exchange, the securities are valued on the exchange determined  by
the Sub-adviser to be the primary market.
    
 
   
Long-term  debt obligations are valued at  the mean of representative quoted bid
and asked prices for such  securities or, if such  prices are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Sub-adviser deems it appropriate, prices  obtained for the day of  valuation
from  a bond pricing service will  be used. Short-term investments are amortized
to maturity  based on  their cost,  adjusted for  foreign exchange  translation,
provided such valuations represent fair value.
    
 
   
Options  on indices, securities and currencies  purchased by the Fund are valued
at their last bid  price in the case  of listed options or,  in the case of  OTC
options,  at the average of  the last bid prices  obtained from dealers unless a
quotation from only one  dealer is available, in  which case only that  dealer's
price  will be used. The value of  each security denominated in a currency other
than U.S. dollars will be translated into U.S. dollars at the prevailing  market
rate  as determined by the  Sub-adviser on that day.  When market quotations for
futures and options  on futures held  by the Fund  are readily available,  those
positions will be valued based upon such quotations.
    
 
   
Securities  and  other  assets  for  which  market  quotations  are  not readily
available (including restricted securities which  are subject to limitations  as
to  their sale) are valued at fair value as determined in good faith by or under
the direction  of the  Company's  Board of  Trustees. The  valuation  procedures
applied  in any specific instance are likely to vary from case to case. However,
consideration generally is  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also generally are considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
    
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to  arrive  at the  value  of  the Fund's  total  assets.  The Fund's
liabilities, including  accruals  for  expenses, are  deducted  from  its  total
assets.  Once the total  value of the  Fund's net assets  is so determined, that
value is  then divided  by the  total number  of shares  outstanding  (excluding
treasury  shares), and the result, rounded to  the nearer cent, is the net asset
value per share.
 
   
Any assets or liabilities initially expressed in terms of foreign currencies are
translated into U.S. dollars at the official exchange rate or at the mean of the
current bid and  asked prices of  such currencies against  the U.S. dollar  last
quoted  by a major  bank that is  a regular participant  in the foreign exchange
market or on the basis of a  pricing service that takes into account the  quotes
provided  by a  number of such  major banks.  If none of  these alternatives are
available, or none are deemed to provide a suitable methodology for converting a
foreign currency into U.S. dollars, the  Board of Trustees, in good faith,  will
establish a conversion rate for such currency.
    
 
European,  Far Eastern, or Latin American  securities trading may not take place
on all days on which the NYSE is open. Further, trading takes place in  Japanese
markets on certain Saturdays and in various foreign markets on days on which the
NYSE is not open. In addition, trading in securities on European and Far Eastern
securities exchanges and OTC markets
 
                  Statement of Additional Information Page 28
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
   
generally  is completed well before  the close of the  business day in New York.
Consequently, the calculation of the Fund's  net asset value may not take  place
contemporaneously with the determination of the prices of securities held by the
Fund. Events affecting the values of portfolio securities that occur between the
time  their prices are determined  and the close of  regular trading on the NYSE
will not be  reflected in  the Fund's net  asset value  unless the  Sub-adviser,
under  the supervision of  the Company's Board of  Trustees, determines that the
particular event  would materially  affect net  asset value.  As a  result,  the
Fund's  net asset value  may be significantly  affected by such  trading on days
when a shareholder cannot purchase or redeem shares of the Fund.
    
 
- --------------------------------------------------------------------------------
 
                         INFORMATION RELATING TO SALES
                                AND REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment for Advisor Class shares purchased should accompany the purchase  order,
or  funds should be wired to the  Transfer Agent as described in the Prospectus.
Payment, other than by wire transfer, must be made by check or money order drawn
on a U.S. bank. Checks or money orders must be payable in U.S. dollars.
 
As a condition of this offering, if an order to purchase Advisor Class shares is
cancelled due to  nonpayment (for example,  on account of  a check returned  for
"not  sufficient funds"), the person who made  the order will be responsible for
any loss  incurred by  the Fund  by reason  of such  cancellation, and  if  such
purchaser  is a shareholder, the  Fund shall have the  authority as agent of the
shareholder to redeem  shares in his  or her account  at their then-current  net
asset  value per share  to reimburse the  Fund for the  loss incurred. Investors
whose purchase orders have  been cancelled due to  nonpayment may be  prohibited
from placing future orders.
 
   
The  Fund  reserves the  right  at any  time to  waive  or increase  the minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons.  An order to purchase shares  is not binding on  the
Fund  until it  has been confirmed  in writing  by the Transfer  Agent (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders,  the Fund reserves the right to reject any offer for a purchase of
shares by any individual.
    
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAs") AND OTHER TAX-DEFERRED PLANS
 
   
IRAs: If you have earned income from employment (including self-employment), you
can contribute each year to an IRA up  to the lesser of (1) $2,000 for  yourself
or  $4,000  for  you and  your  spouse,  regardless of  whether  your  spouse is
employed, or (2) 100% of compensation. Some  individuals may be able to take  an
income tax deduction for the contribution. Regular contributions may not be made
for  the year  you become  70 1/2  or thereafter.  Unless you  and your spouse's
earnings exceed  a certain  level, you  may also  establish an  "Education  IRA"
and/or  a "Roth  IRA." Although  contributions to  these new  types of  IRAs are
nondeductible,  withdrawals   from  them   will   be  tax-free   under   certain
circumstances.  Please  consult  your  tax  advisor  for  more  information. IRA
applications are available from brokers or AIM Distributors.
    
 
ROLLOVER IRAs: Individuals who  receive distributions from qualified  retirement
plans  (other than  required distributions) and  who wish to  keep their savings
growing  tax-deferred  can  rollover  (or  make  a  direct  transfer  of)  their
distribution  to a  Rollover IRA. These  accounts can also  receive rollovers or
transfers from an existing  IRA. If an "eligible  rollover distribution" from  a
qualified  employer-sponsored retirement plan is not  directly rolled over to an
IRA (or  certain  qualified plans),  withholding  at the  rate  of 20%  will  be
required  for federal income tax purposes.  A distribution from a qualified plan
that is not an "eligible  rollover distribution," including a distribution  that
is  one  of a  series  of substantially  equal  periodic payments,  generally is
subject to regular wage withholding or withholding at the rate of 10% (depending
on the type and amount  of the distribution), unless you  elect not to have  any
withholding apply. Please consult your tax advisor for more information.
 
SEP-IRAs:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
                  Statement of Additional Information Page 29
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
CODE  SECTION 403(b)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(k))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either as separate IRAs or as part of a Code Section 401(k)
plan. SIMPLEs are not  subject to the  complicated nondiscrimination rules  that
generally apply to qualified retirements plans.
 
EXCHANGES BETWEEN FUNDS
Shares  of the Fund  may be exchanged  for shares of  the corresponding class of
other GT Global Mutual Funds, based on their respective net asset values without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical.  The exchange privilege is not an  option or right to purchase shares
but is permitted under the current  policies of the respective GT Global  Mutual
Funds.  The privilege may be discontinued or changed at any time by any of those
funds upon sixty days'  written notice to  the shareholders of  the fund and  is
available  only  in  states  where  the exchange  may  be  made  legally. Before
purchasing shares through the exercise of the exchange privilege, a  shareholder
should  obtain and read a copy of the prospectus of the fund to be purchased and
should consider its investment objective(s).
 
TELEPHONE REDEMPTIONS
A corporation or  partnership wishing to  utilize telephone redemption  services
must  submit a "Corporate Resolution" or "Certificate of Partnership" indicating
the names, titles and the required number of signatures of persons authorized to
act on  its  behalf.  The  certificate  must be  signed  by  a  duly  authorized
officer(s)  and,  in the  case  of a  corporation,  the corporate  seal  must be
affixed. All shareholders may request that redemption proceeds be transmitted by
bank wire upon request directly to the shareholder's predesignated account at  a
domestic  bank or savings institution, if the  proceeds are at least $500. Costs
in connection with the administration  of this service, including wire  charges,
currently  are borne by the  Fund. Proceeds of less than  $500 will be mailed to
the shareholder's registered address of record. The Fund and the Transfer  Agent
reserve  the right to refuse any  telephone instructions and may discontinue the
aforementioned redemption options upon fifteen days' written notice.
 
SUSPENSION OF REDEMPTION PRIVILEGES
The Fund may suspend redemption privileges  or postpone the date of payment  for
more  than seven days after a redemption order is received during any period (1)
when the NYSE is  closed other than customary  weekend and holiday closings,  or
trading  on the NYSE is restricted as directed by the SEC, (2) when an emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Fund to dispose of securities  owned by it or fairly  to determine the value  of
its assets, or (3) as the SEC may otherwise permit.
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board of Trustees, make it undesirable for the Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be made  in portfolio  securities or other  property of  the Fund,  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  the  Fund  will  pay in  cash  all  requests for  redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the lesser of $250,000 or 1% of the net asset value  of
the  Fund at the beginning of such  period. This election will be irrevocable so
long as Rule 18f-1 remains in effect,  unless the SEC by order upon  application
permits the withdrawal of such election.
    
 
                  Statement of Additional Information Page 30
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
GENERAL
To continue to qualify for treatment as a RIC under the Internal Revenue Code of
1986, as amended ("Code"), the Fund must distribute to its shareholders for each
taxable  year at least 90% of  its investment company taxable income (consisting
generally of net investment  income, net short-term capital  gain and net  gains
from  certain  foreign currency  transactions) ("Distribution  Requirement") and
must meet  several  additional  requirements.  These  requirements  include  the
following:  (1)  the Fund  must derive  at least  90% of  its gross  income each
taxable year from dividends, interest, payments with respect to securities loans
and  gains  from  the  sale  or  other  disposition  of  securities  or  foreign
currencies,  or other income  (including gains from  options, Futures or Forward
Contracts) derived with respect  to its business of  investing in securities  or
those currencies ("Income Requirement"); (2) at the close of each quarter of the
Fund's  taxable year,  at least  50% of the  value of  its total  assets must be
represented by cash and  cash items, U.S.  government securities, securities  of
other RICs and other securities, with these other securities limited, in respect
of  any one issuer,  to an amount  that does not  exceed 5% of  the value of the
Fund's total assets and that  does not represent more  than 10% of the  issuer's
outstanding  voting securities;  and (3)  at the  close of  each quarter  of the
Fund's taxable year, not more than 25% of  the value of its total assets may  be
invested  in securities (other than U.S. government securities or the securities
of other RICs) of any one issuer.
 
Dividends and  other distributions  declared  by the  Fund  in, and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion of  the dividends from  the Fund's investment  company taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may  not  exceed  the  aggregate  dividends  received  by  the  Fund  from  U.S.
corporations.  However,  dividends  received  by  a  corporate  shareholder  and
deducted  by  it  pursuant  to  the  dividends-received  deduction  are  subject
indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be aware that if shares are purchased shortly before the record date
for any dividend or other distribution, the shareholder will pay full price  for
the shares and receive some portion of the price back as a taxable distribution.
 
The  Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent it fails to distribute by the end of any calendar year substantially  all
of  its  ordinary income  for  that year  and capital  gain  net income  for the
one-year period ending on October 31 of that year plus certain other amounts.
 
FOREIGN TAXES
Dividends and interest received by the Fund, and gains realized thereby, may  be
subject  to income, withholding or other  taxes imposed by foreign countries and
U.S. possessions  ("foreign taxes")  that would  reduce the  yield and/or  total
return  on its  securities. Tax  conventions between  certain countries  and the
United States may reduce or eliminate  foreign taxes, however, and many  foreign
countries  do not  impose taxes  on capital gains  in respect  of investments by
foreign investors. If more than 50% of  the value of the Fund's total assets  at
the  close of its  taxable year consists of  securities of foreign corporations,
the Fund  will be  eligible to,  and may,  file an  election with  the  Internal
Revenue  Service that  will enable its  shareholders, in effect,  to receive the
benefit of the foreign tax credit with respect to any foreign taxes paid by  it.
Pursuant  to the election, the Fund would treat those taxes as dividends paid to
its shareholders and each shareholder would be required to (1) include in  gross
income,  and treat as paid by him, his share of those taxes, (2) treat his share
of those taxes and of any dividend paid by the Fund that represents income  from
foreign  and U.S. possessions sources as his  own income from those sources, and
(3) either deduct the taxes deemed paid  by him in computing his taxable  income
or,  alternatively, use the foregoing information in calculating the foreign tax
credit against his federal income tax. The Fund will report to its  shareholders
shortly  after each taxable  year their respective shares  of the Fund's foreign
taxes and income from sources within,  and taxes paid to, foreign countries  and
U.S.  possessions if  it makes  this election.  Pursuant to  the Taxpayer Relief
 
                  Statement of Additional Information Page 31
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
Act of  1997 ("Tax  Act"), individuals  who have  no more  than $300  ($600  for
married  persons filing  jointly) of creditable  foreign taxes  included on Form
1099 and all of  whose foreign source income  is "qualified passive income"  may
elect  each year to be exempt from  the extremely complicated foreign tax credit
limitation and will be able to claim a foreign tax credit without having to file
the detailed Form 1116 that otherwise is required.
 
PASSIVE FOREIGN INVESTMENT COMPANIES
The Fund  may invest  in the  stock of  "passive foreign  investment  companies"
("PFICs").  A PFIC is a foreign corporation  -- other than a "controlled foreign
corporation" (I.E.,  a foreign  corporation  in which,  on  any day  during  its
taxable  year,  more than  50% of  the total  voting power  of all  voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Fund is a U.S.  shareholder (effective for its taxable year  beginning
November  1, 1998) -- that, in general, meets either of the following tests: (1)
at least 75% of its gross income is passive or (2) an average of at least 50% of
its assets produce,  or are held  for the production  of, passive income.  Under
certain  circumstances, the  Fund will  be subject  to federal  income tax  on a
portion of  any "excess  distribution" received  on,  or of  any gain  from  the
disposition  of, stock  of a  PFIC (collectively  "PFIC income"),  plus interest
thereon, even if the Fund distributes the  PFIC income as a taxable dividend  to
its  shareholders. The balance of the PFIC income will be included in the Fund's
investment company taxable income and, accordingly, will not be taxable to it to
the extent it distributes that income to its shareholders.
 
If the Fund  invests in  a PFIC and  elects to  treat the PFIC  as a  "qualified
electing  fund"  ("QEF"),  then  in  lieu  of  the  foregoing  tax  and interest
obligation, the Fund would be  required to include in  income each year its  pro
rata share of the QEF's ordinary earnings and net capital gain (I.E., the excess
of  net long-term capital gain  over net short-term capital  loss) -- which most
likely would have  to be  distributed by the  Fund to  satisfy the  Distribution
Requirement and avoid imposition of the Excise Tax -- even if those earnings and
gain  were not received by the  Fund from the QEF. In  most instances it will be
very difficult, if  not impossible,  to make  this election  because of  certain
requirements thereof.
 
Effective for its taxable year beginning November 1, 1998, the Fund may elect to
"mark  to market" its  stock in any PFIC.  "Marking-to-market," in this context,
means including in ordinary income each taxable year the excess, if any, of  the
fair  market value of the stock over the Fund's adjusted basis therein as of the
end of that year.  Pursuant to the  election, the Fund also  will be allowed  to
deduct  (as an ordinary, not capital, loss)  the excess, if any, of its adjusted
basis in  PFIC stock  over  the fair  market value  thereof  as of  the  taxable
year-end, but only to the extent of any net mark-to-market gains with respect to
that  stock included in income  by the Fund for  prior taxable years. The Fund's
adjusted basis is each PFIC's stock subject to the election will be adjusted  to
reflect  the  amounts  of  income  included  and  deductions  taken  thereunder.
Regulations proposed in1992 would provide a similar election with respect to the
stock of certain PFICs.
 
NON-U.S. SHAREHOLDERS
Dividends paid by the Fund to a shareholder  who, as to the United States, is  a
nonresident  alien individual, nonresident alien fiduciary of a trust or estate,
foreign corporation  or foreign  partnership ("foreign  shareholder")  generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply, however, to a dividend paid by the Fund to a foreign
shareholder  that is "effectively connected with the  conduct of a U.S. trade or
business," in which case the  reporting and withholding requirements  applicable
to  domestic shareholders will apply. A distribution  of net capital gain by the
Fund to a foreign shareholder generally  will be subject to U.S. federal  income
tax  (at the rates applicable  to domestic persons) only  if the distribution is
"effectively connected" or the foreign  shareholder is treated as a  nonresident
alien individual for federal income tax purposes.
 
OPTIONS, FUTURES AND FOREIGN CURRENCY TRANSACTIONS
The Fund's use of hedging transactions, such as selling (writing) and purchasing
options  and Futures and entering into Forward Contracts, involves complex rules
that will determine, for federal income tax purposes, the amount, character  and
timing  of recognition of the  gains and losses the  Fund realizes in connection
therewith. Gains  from the  disposition of  foreign currencies  (except  certain
gains  that  may be  excluded by  future regulations),  and gains  from options,
Futures and Forward Contracts derived by  the Fund with respect to its  business
of  investing in securities  or foreign currencies,  will qualify as permissible
income under the Income Requirement.
 
Futures and  Forward Contracts  that are  subject to  Section 1256  of the  Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and  that are  held by  the  Fund at  the end  of its  taxable  year
generally  will be deemed to  have been sold at  market value for federal income
tax purposes. Sixty percent of any net  gain or loss recognized on these  deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256  Contracts, will  be treated  as long-term  capital gain  or loss,  and the
balance will be treated as  short-term capital gain or loss.  As of the date  of
preparation  of this  Statement of  Additional Information,  it is  not entirely
clear whether that 60% portion will qualify for
 
                  Statement of Additional Information Page 32
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
the reduced maximum tax rates on net capital gain enacted by the Tax Act --  20%
(10%  for taxpayers  in the  15% marginal  tax bracket)  for gain  recognized on
capital assets held for more than 18 months -- instead of the 28% rate in effect
before that legislation, which now applies to gain recognized on capital  assets
held  for more  than one year  but not  more than 18  months, although technical
corrections legislation  passed by  the House  of Representatives  late in  1997
would treat it as qualifying therefor.
 
Section  988 of the Code also may apply to gains and losses from transactions in
foreign currencies,  foreign-currency-denominated debt  securities and  options,
Futures  and Forward  Contracts on foreign  currencies ("Section  988" gains and
losses). Each Section  988 gain  or loss  generally is  computed separately  and
treated as ordinary income or loss. In the case of overlap between sections 1256
and  988, special provisions  determine the character and  timing of any income,
gain or loss. The Fund attempts to monitor section 988 transactions to  minimize
any adverse tax impact.
 
If  the Fund has  an "appreciated financial position"  -- generally, an interest
(including an interest through an option,  Futures or Forward Contract or  short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership  interest the fair market value  of which exceeds its adjusted basis
- -- and enters into  a "constructive sale" of  the same or substantially  similar
property,  the Fund will be treated as  having made an actual sale thereof, with
the result  that gain  will be  recognized  at that  time. A  constructive  sale
generally consists of a short sale, an offsetting notional principal contract or
Futures  or Forward Contract entered  into by the Fund  or a related person with
respect to  the same  or substantially  similar property.  In addition,  if  the
appreciated  financial  position is  itself  a short  sale  or such  a contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting the Fund and its  shareholders. Investors are urged to
consult their own tax advisers for more detailed information and for information
regarding any  foreign,  state  and  local  taxes  applicable  to  distributions
received from the Fund.
 
                  Statement of Additional Information Page 33
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
 
   
AIM  was organized in 1976, and along  with its subsidiaries, manages or advises
over 50 investment company portfolios  encompassing a broad range of  investment
objectives.  AIM is a direct, wholly owned  subsidiary of A I M Management Group
Inc. ("AIM  Management"),  a  holding  company that  has  been  engaged  in  the
financial  services  business since  1976. AIM  is the  sole shareholder  of the
Funds' principal underwriter,  AIM Distributors. AIM  Management is an  indirect
wholly owned subsidiary of AMVESCAP PLC, 11 Devonshire Square, London, EC2M 4YR,
England.  AMVESCAP  PLC  and  its  subsidiaries  are  an  independent investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
    
 
   
Worldwide asset management affiliates also currently include GT Asset Management
Inc. in Toronto, Canada; GT Asset  Management PLC, in London, England; GT  Asset
Management  Ltd., in  Hong Kong;  GT Asset Management  Ltd., in  Tokyo; GT Asset
Management Pte. Ltd., in Singapore; GT Asset Management Ltd., in Sydney; and  GT
Asset Management GmbH, in Frankfurt, Germany.
    
 
CUSTODIAN
State  Street  Bank and  Trust Company  ("State  Street"), 225  Franklin Street,
Boston, MA  02110, acts  as custodian  of  the Fund's  assets. State  Street  is
authorized  to  establish  and  has  established  separate  accounts  in foreign
currencies and to cause securities of the  Fund to be held in separate  accounts
outside the United States in the custody of non-U.S. banks.
 
INDEPENDENT ACCOUNTANTS
   
The  Fund's independent accountants are                , One Post Office Square,
Boston, MA 02109.               , conducts an annual audit of the Fund,  assists
in  the  preparation of  the Fund's  federal  and state  income tax  returns and
consults with the Company and the  Fund as to matters of accounting,  regulatory
filings, and federal and state income taxation.
    
 
   
The  audited financial statements  of the Company included  in this Statement of
Additional Information have been examined by               , as stated in  their
opinion  appearing herein and  are included in reliance  upon such opinion given
upon the authority of that firm as experts in accounting and auditing.
    
 
USE OF NAME
   
The Sub-adviser  has granted  the Company  the right  to use  the "GT"  and  "GT
Global"  names and has reserved the right to  withdraw its consent to the use of
such names by the Company and/or  the Fund at any time,  or to grant the use  of
such names to any other company.
    
 
                  Statement of Additional Information Page 34
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
   
The  Fund's "Standardized Returns," as referred to in the Prospectus (see "Other
Information --  Performance  Information"  in the  Prospectus),  are  calculated
separately  for  Class A  and  Advisor Class  shares  of the  Fund,  as follows:
Standardized Return (average annual total return ("T")) is computed by using the
ending redeeming value ("ERV")  of a hypothetical  initial investment of  $1,000
("P")  over  a period  of  years ("n")  according  to the  following  formula as
required by the SEC: P(1+T) to the (n)th power = ERV. The following  assumptions
will  be reflected in computations made in accordance with this formula: (1) for
Class A shares, deduction of the maximum  sales charge of 4.75% from the  $1,000
initial investment; (2) for Advisor Class shares, deduction of a sales charge is
not  applicable; (3)  reinvestment of dividends  and other  distributions at net
asset value  on the  reinvestment  date determined  by  the Company's  Board  of
Trustees; and (4) a complete redemption at the end of any period illustrated.
    
 
The  Standardized Returns of the Predecessor Fund (recomputed for Class A shares
to reflect  the deduction  of the  maximum sales  charge of  4.75% for  Class  A
shares),  stated as  average annualized  total returns,  for the  periods shown,
were:
 
<TABLE>
<CAPTION>
                                                                                   DEVELOPING      DEVELOPING
                                                                                  MARKETS FUND    MARKETS FUND
PERIOD                                                                             (CLASS A)     (ADVISOR CLASS)
- --------------------------------------------------------------------------------  ------------   ---------------
<S>                                                                               <C>            <C>
Fiscal year ended Oct. 31, 1997.................................................     (9.61)%          (5.10)%
Jan. 11, 1994 (commencement of operations) through Oct. 31, 1997................     (2.47)%          (1.21)%
</TABLE>
 
NON-STANDARDIZED RETURNS
In  addition   to  Standardized   Returns,  the   Fund  may   also  include   in
advertisements,  sales  literature and  shareholder  reports other  total return
performance  data  ("Non-Standardized   Return").  Non-Standardized  Return   is
calculated  separately for Class A and Advisor  Class shares of the Fund and may
be calculated according to several different formulas. Non-Standardized  Returns
may  be quoted  for the  same or different  time periods  for which Standardized
Returns are quoted. Non-Standardized Returns may  or may not take sales  charges
into  account; performance  data calculated without  taking the  effect of sales
charges into  account will  be higher  than data  including the  effect of  such
charges. Advisor Class shares are not subject to sales charges.
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the  account  ("VOA")  of  a hypothetical  initial  investment  of  $1,000 ("P")
according to  the  following formula:  T=(VOA/P)-1.  Aggregate  Non-Standardized
Return assumes reinvestment of dividends and other distributions.
 
The aggregate Non-Standardized Return of the Predecessor Fund (not recomputed to
take  sales charges into account) for  the period January 11, 1994 (commencement
of operations) through October 31, 1997 was (4.53)%.
 
OTHER INFORMATION REGARDING STANDARDIZED AND NON-STANDARDIZED RETURNS
The Standardized and Non-Standardized Return  Data are based on the  performance
of  the Predecessor  Fund as a  closed-end investment  company. The Standardized
Return Data,  however, have  been recomputed  to reflect  the deduction  of  the
current  maximum sales charge of 4.75% for Class A shares which went into effect
on November 1, 1997. Future performance of the Fund will be effected by expenses
that it will incur as a series of an open-end investment company.
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
   
The Fund and AIM  Distributors may from time  to time, in advertisements,  sales
literature and reports furnished to present or prospective shareholders, compare
the Fund with the following, among others:
    
 
        (1) The Consumer Price Index, ("CPI"), which is a measure of the average
    change  in prices over time  in a fixed market  basket of goods and services
    (e.g., food,  clothing, shelter,  fuels, transportation  fares, charges  for
    doctors' and dentists' services, prescription medicines, and other goods and
    services  that people  buy for day-to-day  living). There  is inflation risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
                  Statement of Additional Information Page 35
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
        (2) Data and mutual fund rankings and comparisons published or  prepared
    by  Lipper  Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger
    Investment   Company   Services   ("CDA/Wiesenberger")   Morningstar,   Inc,
    ("Morningstar"),  Micropal,  Inc. and/or  other  companies that  rank and/or
    compare mutual funds by overall performance, investment objectives,  assets,
    expense  levels, periods of existence and/or  other factors. In this regard,
    the Fund  may  be  compared  to  its "peer  group"  as  defined  by  Lipper,
    CDA/Wiesenberger  and/or other firms, as applicable, or to specific funds or
    groups of funds within or outside of such peer group. Lipper generally ranks
    funds on the basis of total return, assuming reinvestment of  distributions,
    but  does not take sales charges  or redemption fees into consideration, and
    is prepared without regard  to tax consequences. In  addition to the  mutual
    fund  rankings,  the  Fund's  performance may  be  compared  to  mutual fund
    performance indices prepared by Lipper. Morningstar is a mutual fund  rating
    service  that  also  rates  mutual  funds  on  the  basis  of  risk-adjusted
    performance. Morningstar ratings  are calculated from  a fund's three,  five
    and  ten year average annual returns  with appropriate fee adjustments and a
    risk factor that reflects fund performance relative to the three-month  U.S.
    Treasury  bill monthly  returns. Ten percent  of the funds  in an investment
    category receive five stars  and 22.5% receive four  stars. The ratings  are
    subject to change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP")-weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    price of 500 of the largest publicly traded stocks in the United States.
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
        (9) Morgan Stanley  Capital International All  Country (AC) World  index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2,500 different issuers,  located in 47 countries,  and
    grouped in 38 separate industries.
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE"), which provides brief reports on most of the World Bank's borrowing
    members. The World  Development Report  is published annually  and looks  at
    global   and  regional  economic  trends  and  their  implications  for  the
    developing economies.
 
       (12) Salomon Brothers Global Telecommunications Index, which is  composed
    of telecommunications companies in the developing and emerging countries.
 
       (13)  Datastream and  Worldscope, each  of which  is an  on-line database
    retrieval service  for information,  including international  financial  and
    economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15) Various publications and reports produced by the World Bank and  its
    affiliates.
 
       (16)  Various publications from the International Bank for Reconstruction
    and Development.
 
       (17) Various publications  produced by ratings  agencies such as  Moody's
    Investors  Service, Inc. ("Moody's"),  Standard & Poor's,  a division of The
    McGraw-Hill Companies, Inc. ("S&P") and Fitch.
 
       (18) Wilshire Associates, which is an on-line database for  international
    financial  and economic data including performance measures for a wide range
    of securities.
 
       (19) Bank Rate National Monitor Index, which is an average of the  quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
                  Statement of Additional Information Page 36
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
       (20)  International  Finance  Corporation ("IFC")  Emerging  Markets Data
    Base, which  provides  detailed statistics  on  stock and  bond  markets  in
    developing countries.
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  Savings Accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various financial organizations such as Salomon Brothers Inc., Lehman  Brothers,
Inc.,   Merrill  Lynch,  Pierce,  Fenner   &  Smith,  Inc.,  Financial  Research
Corporation, J. P. Morgan,  Morgan Stanley, Dean Witter,  Discover & Co.,  Smith
Barney  Shearson,  S.G. Warburg,  Jardine Flemming,  The Bank  for International
Settlements, Asian Development Bank, Bloomberg, L.P. and Ibbotson Associates may
be used,  as  well  as information  reported  by  the Federal  Reserve  and  the
respective  central banks of various nations.  In addition, AIM Distributors may
use performance  rankings,  ratings  and  commentary  reported  periodically  in
national financial publications, including Money Magazine, Mutual Fund Magazine,
Smart  Money,  Global  Finance,  EuroMoney,  Financial  World,  Forbes, Fortune,
Business Week, Latin Finance, The Wall Street Journal, Emerging Markets  Weekly,
Kiplinger's Guide To Personal Finance, Barron's, The Financial Times, USA Today,
The  New York  Times, Far Eastern  Economic Review, The  Economist and Investors
Business Digest.  The  Fund  may  compare  its  performance  to  that  of  other
compilations  or indices of  comparable quality to those  listed above and other
indices that may be developed and made available in the future.
    
 
   
Information  relating  to   foreign  market   performance,  capitalization   and
diversification  is based on sources believed to  be reliable but may be subject
to revision  and  has  not  been  independently verified  by  the  Fund  or  AIM
Distributors.  The  authors  and  publishers  of such  material  are  not  to be
considered as "experts" under the 1933 Act, on account of the inclusion of  such
information herein.
    
 
A  portion of the performance  figures for each market  includes the positive or
negative effects of the currency exchange rates effective at December 31 of each
year between the U.S. dollar and currency of the foreign market (e.g.,  Japanese
Yen,  German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that has
strengthened or weakened against the  U.S. dollar will positively or  negatively
affect the reported returns, as the case may be.
 
   
AIM  Distributors  believes that  this information  may  be useful  to investors
considering whether and to  what extent to  diversify their investments  through
the purchase of mutual funds investing in securities on a global basis. However,
this data is not a representation of the past performance of the Fund, nor is it
a  prediction of such performance. The performance  of the Fund will differ from
the historical performance of relevant indices. The performance of indices  does
not  take  expenses  into  account,  while  the  Fund  incurs  expenses  in  its
operations, which will reduce performance. Each of these factors will cause  the
performance of the Fund to differ from relevant indices.
    
 
   
From  time to  time, the Fund  and AIM Distributors  may refer to  the number of
shareholders in  the Fund  or the  aggregate number  of shareholders  in all  GT
Global  Mutual Funds  or the  dollar amount of  Fund assets  under management or
rankings by DALBAR Surveys, Inc. in advertising materials.
    
 
   
AIM Distributors believes the  Fund is an  appropriate investment for  long-term
investment   goals,  including  funding  retirement,  paying  for  education  or
purchasing a house. AIM  Distributors may provide  information designed to  help
individuals  understand  their investment  goals  and explore  various financial
strategies. For example,  AIM Distributors  may describe  general principles  of
investing,  such as  asset allocation,  diversification and  risk tolerance. The
Fund does  not represent  a  complete investment  program and  investors  should
consider  the  Fund as  appropriate for  a portion  of their  overall investment
portfolio with regard to their long-term investment goals. There is no assurance
that any such information will lead to achieving these goals or guarantee future
results.
    
 
   
From time to time, AIM Distributors may refer to or advertise the names of  U.S.
and  non-U.S. companies and  their products, although there  can be no assurance
that any GT Global Mutual Fund may own the securities of these companies.
    
 
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns  of the capital  markets in the United  States, including common stocks,
small  capitalization  stocks,  long-term  corporate  bonds,   intermediate-term
government  bonds, long-term government bonds, Treasury  bills, the U.S. rate of
inflation (based on the CPI), and  combinations of various capital markets.  The
performance  of  these capital  markets  is based  on  the returns  of different
indices.
 
GT Global Mutual Funds may use the performance of these capital markets in order
to demonstrate  general  risk-versus-reward  investment  scenarios.  Performance
comparisons  may also include the  value of a hypothetical  investment in any of
 
                  Statement of Additional Information Page 37
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
these capital  markets. The  risks associated  with the  security types  in  any
capital market may or may not correspond directly to those of the Fund. Ibbotson
calculates total returns in the same method as the Fund.
 
The  Fund may  quote various measures  of volatility  and benchmark correlation,
such as beta, standard deviation and R(2) in advertising. In addition, the  Fund
may  compare these measures to those of other funds. Measures of volatility seek
to compare the  Fund's historical share  price fluctuations or  total return  to
those of a benchmark.
 
The  Fund may  advertise examples of  the effects of  periodic investment plans,
including the principle of dollar cost averaging programs. In such a program, an
investor invests  a fixed  dollar  amount in  the  Fund at  periodic  intervals,
thereby purchasing fewer shares when prices are high and more shares when prices
are low. While such a strategy does not assure a profit or guard against loss in
a  declining market, the investor's average cost  per share can be lower than if
fixed numbers of shares are purchased at the same intervals. In evaluating  such
a  plan, investors should  consider their ability  to continue purchasing shares
through periods of low price levels.
 
The Fund may describe in its  sales material and advertisements how an  investor
may  invest in GT Global Mutual Funds  through various retirement plans or other
programs that offer deferral of income taxes on investment earnings and pursuant
to which  an  investor  may  make deductible  contributions.  Because  of  their
advantages,  these retirement plans and programs may produce returns superior to
comparable non-retirement investments. For example, a $10,000 investment earning
a taxable return of 10% annually would have an after-tax value of $17,976  after
ten  years, assuming tax was deducted from the return each year at a 39.6% rate.
An equivalent tax-deferred investment would  have an after-tax value of  $19,626
after  ten years, assuming  tax was deducted  at a 39.6%  rate from the deferred
earnings  at  the   end  of  the   ten-year  period.  In   sales  material   and
advertisements,  the  Fund  may  also  discuss  these  plans  and  programs. See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
   
AIM Distributors may  from time  to time in  its sales  methods and  advertising
discuss  the risks inherent in investing. The major types of investment risk are
market risk, industry risk, credit risk, interest rate risk and inflation  risk.
Risk represents the possibility that you may lose some or all of your investment
over  a period of time. A basic tenet  of investing is the greater the potential
reward, the greater the risk.
    
 
   
From time  to  time,  the  Fund and  AIM  Distributors  will  quote  information
regarding  industries, individual countries, regions,  world stock exchanges and
economic  and  demographic  statistics  from  sources  AIM  Distributors   deems
reliable,  including the economic and financial data of financial organizations,
such as:
    
 
 1) Stock market  capitalization:  Morgan Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 2) Stock  market trading volume: Morgan  Stanley Capital International Industry
    Indices and IFC.
 
 3) The number of  listed companies: IFC,  G.T. Guide to  World Equity  Markets,
    Salomon Brothers, Inc. and S.G. Warburg.
 
 4) Wage  rates: U.S. Department of Labor  Statistics and Morgan Stanley Capital
    International World Indices.
 
 5) International industry  performance:  Morgan Stanley  Capital  International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock   market  performance:  Morgan  Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 7) The Consumer Price Index and inflation rate: The World Bank, Datastream  and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
14) Top three companies by country, industry or market: IFC, G.T. Guide to World
    Equity Markets, Salomon Brothers, Inc., and S.G. Warburg.
 
15) Foreign  direct  investments to  developing  countries: The  World  Bank and
    Datastream.
 
                  Statement of Additional Information Page 38
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
16) Supply, consumption,  demand  and  growth in  demand  of  certain  products,
    services  and industries, including, but not limited to, electricity, water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources of such information may include,  but would not be limited to,  The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard  deviation and performance returns for U.S. and non-U.S. equity and
    bond markets: Morgan Stanley Capital International.
 
   
18) Countries restructuring their  debt, including those  under the Brady  Plan:
    the Sub-adviser.
    
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
20) Government  and corporate  bonds --  credit ratings,  yield to  maturity and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From time to time, AIM Distributors may include in its advertisements and  sales
material,   information  about  privatization,  which  is  an  economic  process
involving the sale of state-owned companies to the private sector.
    
 
   
In advertising and sales  materials, AIM Distributors may  make reference to  or
discuss  its products, services and accomplishments. Among these accomplishments
are that in 1983 the Sub-adviser  provided assistance to the government of  Hong
Kong  in  linking its  currency to  the U.S.  dollar, and  that in  1987 Japan's
Ministry of  Finance licensed  GT Asset  Management  Ltd. as  one of  the  first
foreign   discretionary  investment   managers  for   Japanese  investors.  Such
accomplishments, however,  should  not  be  viewed  as  an  endorsement  of  the
Sub-adviser  by the government of Hong Kong,  Japan's Ministry of Finance or any
other government or government  agency. Nor do any  such accomplishments of  the
Sub-adviser  provide any assurance  that the GT  Global Mutual Funds' investment
objectives will be achieved.
    
 
   
[GT GLOBAL ADVANTAGE
    
As part of Liechtenstein Global Trust,  GT Global continues a 75-year  tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine offices  worldwide,  we  witness world  events  and  economic  developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The  key to achieving  consistent results is  following a disciplined investment
process. Our  approach  to  asset  allocation takes  advantage  of  GT  Global's
worldwide   presence  and  global  perspective.  Our  "macroeconomic"  worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up process  of  security  selection combines  fundamental  research  with
quantitative analysis through our proprietary models.
 
Built-in  checks  and balances  strengthen  the process,  enhancing professional
experience and judgment with an  objective assessment of risk. Ultimately,  each
security  we select has passed  a ranking system that  helps our portfolio teams
determine when to buy and when to  sell. With respect to stocks, a global  stock
research  ("GSR") database developed  by GT Global is  utilized in the selection
process. All stocks  within the GSR  database are systematically  ranked by  our
analysts on a 1-5 basis with 1 representing the most favored. The rankings along
with  our quantitative, fundamental research,  determine which stocks are bought
and sold.
 
GT Global describes the major stages  of economic development as revolving in  a
"virtuous  cycle." From time  to time, each  Fund and GT  Global may discuss the
virtuous cycle  in its  sales literature  and advertising.  This cycle  operates
worldwide,   forcing  companies   to  become  increasingly   competitive  in  an
ever-expanding global  marketplace.  GT  Global  has  identified  the  following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL FLOWS  FROM DEVELOPED  MARKETS TO  EMERGING MARKETS:  As barriers  fall,
restrictions  on the free movement of capital in  and out of a country are often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
                  Statement of Additional Information Page 39
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
INCREASED DEMAND FOR  GLOBAL CONSUMER  PRODUCTS: As people  in emerging  markets
experience  rising standards of living  due to increased industrialization, they
demand more consumer products which can help spur global trade flows.
 
   
GT Global believes that  we increasingly live in  a world without boundaries  in
terms  of trade, competition and  investment opportunities. Therefore, GT Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings, or themes,  as an alternative  to the traditional,  primary focus  on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.]
    
 
- --------------------------------------------------------------------------------
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are  rated C are the lowest  rated class of bonds,  and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
    1. An application for rating was not received or accepted.
 
    2. The issue or issuer  belongs to a group  of securities or companies  that
are not rated as a matter of policy.
 
                  Statement of Additional Information Page 40
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
    3. There is a lack of essential data pertaining to the issue or issuer.
 
    4. The issue was privately placed, in which case the rating is not published
in Moody's publications.
 
Suspension  or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data  to permit  a judgment  to be  formed; if  a bond  is
called for redemption; or for other reasons.
 
Note:  Moody's applies numerical  modifiers, 1, 2  and 3 in  each generic rating
classification from Aa to Caa. The  modifier 1 indicates that the Company  ranks
in  the higher end  of its generic  rating category; the  modifier 2 indicates a
mid-range ranking; and the  modifier 3 indicates that  the Company ranks in  the
lower end of its generic rating category.
 
    STANDARD  & POOR'S, a  division of The  McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various  entities in categories ranging from  "AAA"
to  "D"  according  to quality.  Investment  grade  ratings are  the  first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA  --  An  obligation  rated  "AA"  differs  from  the  highest   rated
    obligations  only  in a  small degree.  The obligor's  capacity to  meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB  --  An   obligation  rated  "BBB"   exhibits  adequate   protection
    parameters.  However, adverse economic  conditions or changing circumstances
    are more likely to lead  to a weakened capacity of  the obligor to meet  its
    financial commitment on the obligation.
 
        BB,  B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and "C"
    are  regarded  as  having  significant  speculative  characteristics.   "BB"
    indicates  the least degree  of speculation and "C"  the highest. While such
    obligations will likely  have some quality  and protective  characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB  -- An  obligation rated "BB"  is less vulnerable  to nonpayment than
    other speculative issues. However, it  faces major ongoing uncertainties  or
    exposure  to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate  capacity to meet its financial  commitment
    on the obligation.
 
        B  --  An obligation  rated "B"  is more  vulnerable to  nonpayment than
    obligations rated "BB," but the obligor  currently has the capacity to  meet
    its  financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to  nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for  the obligor to meet its financial  commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to  have the  capacity to meet  its financial  commitment on  the
    obligation.
 
        CC  --  An  obligation  rated "CC"  is  currently  highly  vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a  bankruptcy
    petition  has been filed or  similar action has been  taken, but payments on
    this obligation are being continued.
 
        D --  An obligation  rated "D"  is in  payment default.  The "D"  rating
    category is used when payments on an obligation are not made on the date due
    even  if the  applicable grace period  has not expired,  unless S&P believes
    that such payments  will be made  during such grace  period. The "D"  rating
    also  will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by  the
addition  of a  plus or minus  sign to  show relative standing  within the major
rating categories.
 
NR:  Indicates  that  no  public  rating  has  been  requested,  that  there  is
insufficient  information on which to base a rating, or that S&P does not rate a
particular type of obligation as a matter of policy.
 
                  Statement of Additional Information Page 41
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S employs  the  designation  "Prime-1" to  indicate  commercial  paper
having  a superior ability for repayment  of senior short-term debt obligations.
Prime-1 repayment  ability will  often be  evidenced by  many of  the  following
characteristics:  leading market positions  in well-established industries; high
rates of return  on funds employed;  conservative capitalization structure  with
moderate  reliance on debt and ample asset protection; broad margins in earnings
coverage of  fixed financial  charges  and high  internal cash  generation;  and
well-established  access to a range of  financial markets and assured sources of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior short-term debt obligations. This normally  will be evidenced by many  of
the  characteristics cited  above but  to a  lesser degree.  Earnings trends and
coverage ratios, while sound, may  be more subject to variation.  Capitalization
characteristics,  while  still appropriate,  may  be more  affected  by external
conditions. Ample alternate liquidity is maintained.
 
    S&P ratings of commercial paper  are graded into several categories  ranging
from  "A1" for the highest quality obligations  to "D" for the lowest. Issues in
the "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate  the
relative  degree  of safety.  A-1 --  This highest  category indicates  that the
degree of safety regarding timely payment is strong. Those issues determined  to
possess extremely strong safety characteristics will be denoted with a plus sign
(+)  designation.  A-2  -- Capacity  for  timely  payments on  issues  with this
designation is satisfactory; however,  the relative degree of  safety is not  as
high as for issues designated "A-1."
 
   
The Fund may invest only in high quality commercial paper, i.e. commercial paper
rated  Prime-1 by Moody's, A-1 by S&P, or, if unrated, judged by the Sub-adviser
to be of comparable quality.
    
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
 
   
To be filed.
    
 
                  Statement of Additional Information Page 42
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                       GT GLOBAL DEVELOPING MARKETS FUND
 
                                GT GLOBAL FUNDS
 
   
  AIM DISTRIBUTORS OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS.  FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL FUND,
  INCLUDING FEES,  EXPENSES  AND  THE  RISKS OF  GLOBAL  AND  EMERGING  MARKET
  INVESTING  AND THE RISKS OF INVESTING  IN RELATED INDUSTRIES, PLEASE CONTACT
  YOUR   FINANCIAL   ADVISER   OR   CALL   AIM   DISTRIBUTORS   DIRECTLY    AT
  [1-800-824-1580.]
    
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers  access  to the  emerging  and established  markets  of the  Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
   
  NO DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO  GIVE
  ANY  INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN THIS
  STATEMENT OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH  INFORMATION
  OR  REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY G.T.
  INVESTMENT FUNDS, GT GLOBAL DEVELOPING MARKETS  FUND, A I M ADVISERS,  INC.,
  [CHANCELLOR  LGT ASSET  MANAGEMENT, INC.] OR  A I M  DISTRIBUTORS, INC. THIS
  STATEMENT OF ADDITIONAL INFORMATION DOES NOT CONSTITUTE AN OFFER TO SELL  OR
  SOLICITATION OF ANY OFFER TO BUY ANY OF THE SECURITIES OFFERED HEREBY IN ANY
  JURISDICTION TO ANY PERSON TO WHOM IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH
  JURISDICTION.
    
 
                                                                   GROSX703   MC
<PAGE>
                          G.T. INVESTMENT FUNDS, INC.
                           PART C: OTHER INFORMATION
 
ITEM 24. FINANCIAL STATEMENTS AND EXHIBITS
 
    (a) FINANCIAL STATEMENTS -- To be Filed.
 
    (b) EXHIBITS REQUIRED BY PART C, ITEM 24 OF FORM N-1A.
 
         (1)(a)     The Registrant's Articles of Incorporation dated October 27,
                    1987(3).
         (1)(b)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated December 18, 1987(3).
         (1)(c)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated February 17, 1988(3).
         (1)(d)     Articles of Amendment to Registrant's Articles of
                    Incorporation dated March 29, 1988(3).
         (1)(e)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated April 27, 1989(3).
         (1)(f)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated July 18, 1991(3).
         (1)(g)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated July 31, 1991(3).
         (1)(h)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated December 31, 1991(3).
         (1)(i)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated March 11, 1992(3).
         (1)(j)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated August 31, 1992(3).
         (1)(k)     Articles of Amendment to Registrant's Articles of
                    Incorporation dated January 25, 1993(3).
         (1)(l)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated November 15, 1993(3).
         (1)(m)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated January 26, 1994(3).
         (1)(n)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated January 26, 1994(3).
         (1)(o)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated September 23, 1994(3).
         (1)(p)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated January 30, 1995(2).
         (1)(q)     Articles Supplementary to Registrant's Articles of
                    Incorporation dated October 24, 1997(6).
         (2)        Registrant's By-Laws(3).
         (3)        Voting Trust Agreement. Not applicable.
         (4)        Instruments defining the rights of holders of the
                    Registrant's shares of common stock(5).
         (5)(a)     Investment Management and Administration Contract dated
                    April 19, 1989(3).
 
                                      C-1
<PAGE>
<TABLE>
<S>                 <C>
         (5)(b)     Investment Management and Administration Contract Fee Letter
                    relating to:
</TABLE>
 
                  (i) GT Global Growth & Income Fund(3).
                  (ii) GT Global Latin America Growth Fund and GT Global Small
                       Companies Fund(3).
                 (iii) GT Global Telecommunications Fund(3).
                 (iv) Withdrawn
                  (v) GT Global Emerging Markets Fund(3).
                 (vi) GT Global Developing Markets Fund(6).
 
         (5)(c)     Administration Contract relating to:
 
                  (i) GT Global High Income Fund(3).
                  (ii) GT Global Infrastructure Fund, GT Global Natural
                       Resources Fund and GT Global Financial Services Fund(3).
 
         (5)(d)     Administration Contract Fee Letter relating to the GT Global
                    Consumer Products and Services Fund(2).
         (6)(a)     Distribution Agreement relating to Class A shares(3).
         (6)(b)     Distribution Agreement relating to Class B shares(3).
         (6)(c)     Distribution Agreement relating to Advisor Class shares(5).
         (7)        Not applicable.
         (8)        The Custodian Agreement between the Registrant and State
                    Street Bank and Trust Company(3).
         (9)(a)     The Transfer Agency Contract dated May 25, 1990(3).
         (9)(b)     Accounting Services Agreement(8).
         (9)(c)     Other material contracts:
 
                  (i) Broker/dealer sales contract(3).
                  (ii) Bank sales contract(3).
                 (iii) Agency sales contract(3).
                 (iv) Foreign sales contract(3).
 
        (10)(a)     Opinion and consent of counsel relating to GT Global
                    Government Income Fund and GT Global Strategic Income Fund
                    (formerly G.T. Global Bond Fund)(3).
        (10)(b)     Opinion and consent of counsel relating to GT Global Health
                    Care Fund(3).
        (10)(c)     Opinion and consent of counsel relating to GT Global Growth
                    & Income Fund(3).
        (10)(d)     Opinion and consent of counsel relating to GT Global Latin
                    America Growth Fund and GT Global Small Companies Fund(3).
        (10)(e)     Opinion and consent of counsel relating to GT Global
                    Telecommunications Fund and GT Global Financial Services
                    Fund(3).
        (10)(f)     Opinion and consent of counsel relating to GT Global
                    Emerging Markets Fund(3).
        (10)(g)     Opinion and consent of counsel relating to GT Global High
                    Income Fund(3).
        (10)(h)     Opinion and consent of counsel relating to GT Global
                    Infrastructure Fund and GT Global Natural Resources Fund(3).
        (10)(i)     Opinion and consent of counsel relating to GT Global
                    Consumer Products and Services Fund and GT Global Financial
                    Services Fund(3).
        (10)(j)     Opinion  and  consent  of  counsel  relating  to  GT  Global
                    Developing Markets Fund(6).
 
                                      C-2
<PAGE>
<TABLE>
<S>                 <C>
        (11)(a)     Consents of Coopers & Lybrand L.L.P., Independent
                    Accountants, relating to:
</TABLE>
 
                  (i) GT Global Consumer Products  and Services Fund, GT  Global
                      Financial  Services Fund,  GT Global Health  Care Fund, GT
                      Global Infrastructure  Fund, GT  Global Natural  Resources
                      Fund, GT Global Telecommunications Fund -- To be Filed.
                  (ii) GT  Global  Government Income  Fund, GT  Global Strategic
                       Income Fund  and GT  Global  High Income  Fund --  To  be
                       Filed.
                 (iii) GT Global Growth & Income Fund -- To be Filed.
                 (iv) GT Global Latin America Growth Fund and GT Global Emerging
                      Markets Fund -- To be Filed.
                  (v) GT Global Developing Markets Fund -- To be Filed.
 
        (12)        Not applicable.
        (13)        Not applicable.
        (14)(a)     Model Retirement Plan -- GT Global Individual Retirement
                    Account Disclosure Statement and Application(8).
        (14)(b)     Model Retirement Plan -- GT Global SIMPLE Individual
                    Retirement Account Disclosure Statement and Application(8).
        (14)(c)     Model Retirement Plan -- GT Global Simplified Employee
                    Pension Individual Retirement Account Disclosure Statement
                    and Application(8).
        (14)(d)     Model Reitrement Plan -- Roth IRA(8).
        (14)(e)     403(b)(7) Custodial Agreement(8).
        (15)(a)     Distribution Plan adopted pursuant to Rule 12b-1 relating to
                    Class A shares(3).
        (15)(b)     Distribution Plan adopted pursuant to Rule 12b-1 relating to
                    Class B shares(3).
        (16)        Schedules of Computation of Performance Data relating to the
                    Class A, Class B and Advisor Class shares of:
 
                  (i) GT Global Government Income Fund(4).
                  (ii) GT Global Strategic Income Fund(4).
                 (iii) GT Global Health Care Fund(4).
                 (iv) GT Global Growth & Income Fund(4).
                  (v) GT Global Latin America Growth Fund(4).
                 (vi) GT Global Telecommunications Fund(4).
                 (vii) GT Global Emerging Markets Fund(4).
                (viii) GT Global High Income Fund(4).
                 (ix) GT Global Financial Services Fund(4).
                  (x) GT Global Infrastructure Fund(4).
                 (xi) GT Global Natural Resources Fund(4).
                 (xii) GT Global Consumer Products and Services Fund(4).
                (xiii) GT Global Developing Markets Fund(6).
 
        (17)        Financial Data Schedules -- To be Filed.
        (18)        Multiple Class Plan adopted pursuant to Rule 18f-3(8).
 
Other Exhibits:
        (a)         Power of Attorney for Helge K. Lee and Michael A. Silver for
                    G.T. Investment Funds, Inc.(6).
        (b)         Power of Attorney for Helge K. Lee and Michael A. Silver for
                    Global Investment Portfolio(7).
        (c)         Power of Attorney for Helge K. Lee and Michael A. Silver for
                    Global High Income Portfolio(7).
 
                                      C-3
<PAGE>
- ------------------------
(1)   Incorporated  by  reference  to  the  identically  enumerated  Exhibit  of
    Post-Effective Amendment No. 16 to the Registration Statement on Form  N-1A,
    filed on January 17, 1992.
 
(2)   Incorporated  by  reference  to  the  identically  enumerated  Exhibit  of
    Post-Effective Amendment No. 42 to the Registration Statement on Form  N-1A,
    filed on June 30, 1995.
 
(3)   Incorporated  by  reference  to  the  identically  enumerated  Exhibit  of
    Post-Effective Amendment No. 46 to the Registration Statement on Form  N-1A,
    filed on December 30, 1996.
 
(4)   Incorporated  by  reference  to  the  identically  enumerated  Exhibit  of
    Post-Effective Amendment No. 44 to the Registration Statement on Form  N-1A,
    filed on February 28, 1996.
 
(5)   Incorporated  by  reference  to  the  identically  enumerated  Exhibit  of
    Post-Effective Amendment No. 47 to the Registration Statement on Form  N-1A,
    filed on February 26, 1997.
 
(6)   Incorporated  by  reference  to  the  identically  enumerated  Exhibit  of
    Post-Effective Amendment No. 49 to the Registration Statement on Form  N-1A,
    filed on October 30, 1997.
 
(7)   Incorporated  by  reference  to  the  identically  enumerated  exhibit  of
    Post-Effective Amendment No. 50 to the Registration Statement on Form  N-1A,
    filed on December 24, 1997.
 
(8)   Incorporated  by  reference  to  the  identically  enumerated  exhibit  of
    Post-Effective Amendment No. 51 to the Registration Statement on Form  N-1A,
    filed on January 30, 1998.
 
ITEM 25. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL WITH THE REGISTRANT
 
    None.
 
ITEM 26. NUMBER OF HOLDERS OF SECURITIES AS OF MARCH 30, 1998.
 
<TABLE>
<CAPTION>
                                                                                                  NUMBER OF RECORD
TITLE OF CLASS                                                                                        HOLDERS
- ------------------------------------------------------------------------------------------------  ----------------
<S>                                                                                               <C>
   Capital Stock, $.0001 par value, of:
      GT Global Growth & Income Fund Class A....................................................          20,052
      GT Global Growth & Income Fund Class B....................................................          31,599
      GT Global Growth & Income Fund Advisor Class..............................................             359
      GT Global Strategic Income Fund Class A...................................................           9,600
      GT Global Strategic Income Fund Class B...................................................          17,582
      GT Global Strategic Income Fund Advisor Class.............................................              84
      GT Global Government Income Fund Class A..................................................          10,633
      GT Global Government Income Fund Class B..................................................           6,898
      GT Global Government Income Fund Advisor Class............................................              38
      GT Global High Income Fund Class A........................................................           8,137
      GT Global High Income Fund Class B........................................................          12,577
      GT Global High Income Fund Advisor Class..................................................             290
      GT Global Health Care Fund Class A........................................................          34,798
      GT Global Health Care Fund Class B........................................................          12,053
      GT Global Health Care Fund Advisor Class..................................................             173
      GT Global Latin America Growth Fund Class A...............................................          19,225
      GT Global Latin America Growth Fund Class B...............................................          16,183
      GT Global Latin America Growth Fund Advisor Class.........................................             186
      GT Global Telecommunications Fund Class A.................................................          86,501
      GT Global Telecommunications Fund Class B.................................................          80,201
      GT Global Telecommunications Fund Advisor Class...........................................             227
      GT Global Financial Services Fund Class A.................................................           3,706
      GT Global Financial Services Fund Class B.................................................           5,269
      GT Global Financial Services Fund Advisor Class...........................................             128
</TABLE>
 
                                      C-4
<PAGE>
<TABLE>
<CAPTION>
                                                                                                  NUMBER OF RECORD
TITLE OF CLASS                                                                                        HOLDERS
- ------------------------------------------------------------------------------------------------  ----------------
      GT Global Infrastructure Fund Class A.....................................................           4,831
<S>                                                                                               <C>
      GT Global Infrastructure Fund Class B.....................................................           6,147
      GT Global Infrastructure Fund Advisor Class...............................................             113
      GT Global Natural Resources Fund Class A..................................................           5,808
      GT Global Natural Resources Fund Class B..................................................           7,038
      GT Global Natural Resources Fund Advisor Class............................................             187
      GT Global Emerging Markets Fund Class A...................................................          19,379
      GT Global Emerging Markets Fund Class B...................................................          21,422
      GT Global Emerging Markets Fund Advisor Class.............................................             231
      GT Global Consumer Products and Services Fund Class A.....................................           7,690
      GT Global Consumer Products and Services Fund Class B.....................................           9,710
      GT Global Consumer Products and Services Fund Advisor Class...............................             237
      GT Global Developing Markets Fund Class A.................................................          12,295
      GT Global Developing Markets Fund Class B.................................................              17
      GT Global Developing Markets Fund Advisor Class...........................................              18
</TABLE>
 
ITEM 27. INDEMNIFICATION
 
    Article  VII(g) of the  Registrant's Articles of  Incorporation provides for
indemnification of certain persons acting on behalf of the Registrant.
 
    Insofar as indemnification for liabilities arising under the Securities  Act
of  1933, as amended ("1933  Act"), may be permitted  to Directors, officers and
controlling persons by the Registrant's  Articles of Incorporation, By-Laws,  or
otherwise, the Registrant has been advised that in the opinion of the Securities
and  Exchange Commission  ("Commission") such indemnification  is against public
policy as expressed in  the 1933 Act, and  is, therefore, unenforceable. In  the
event  that a claim for indemnification against such liabilities (other than the
payment by the Registrant of expenses incurred or paid by a Director, officer or
controlling person of the  Registrant in the successful  defense of any  action,
suit  or proceeding) is asserted by such Director, officer or controlling person
in connection with the securities being registered, the Registrant will,  unless
in  the  opinion of  its  counsel the  matter  has been  settled  by controlling
precedent, submit to a  court of appropriate  jurisdiction the question  whether
such indemnification by it is against public policy as expressed in the 1933 Act
and will be governed by the final adjudication of such issues.
 
ITEM 28. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER
 
    See  the  material  under  the  heading  "Management"  included  in  Part  A
(Prospectus) of this  Amendment and  the material appearing  under the  headings
"Directors  and  Officers" and  "Management" included  in  Part B  (Statement of
Additional Information) of this Amendment.  Information as to the Directors  and
Officers  of the Adviser is included in its Form ADV (File No. 801-10254), filed
with the Commission, which is incorporated herein by reference thereto.
 
ITEM 29. PRINCIPAL UNDERWRITERS
 
    (a) GT Global,  Inc. is  also the  principal underwriter  for the  following
other  investment  companies:  G.T.  Global Growth  Series  (which  includes the
following funds:  GT Global  America Value  Fund, GT  Global America  Small  Cap
Growth  Fund, GT  Global America  Mid Cap Growth  Fund, GT  Global Europe Growth
Fund, GT  Global International  Growth Fund,  GT Global  Japan Growth  Fund,  GT
Global  New  Pacific Growth  Fund  and GT  Global  Worldwide Growth  Fund); G.T.
Investment Portfolios, Inc. (which includes one fund: GT Global Dollar Fund); GT
Global Series Trust  (which includes one  fund: GT Global  New Dimension  Fund);
G.T.  Global Variable Investment Series (which includes five funds in operation:
GT Global Variable New Pacific Fund,  GT Global Variable Europe Fund, GT  Global
Variable America Fund, GT Global Variable
 
                                      C-5
<PAGE>
International  Fund  and  GT Global  Money  Market Fund);  G.T.  Global Variable
Investment Trust (which  includes nine  funds in operation:  GT Global  Variable
Latin  America Fund, GT Global Variable  Infrastructure Fund, GT Global Variable
Natural Resources Fund,  GT Global Variable  Telecommunications Fund, GT  Global
Variable  Growth &  Income Fund,  GT Global  Variable Strategic  Income Fund, GT
Global Variable  Emerging Markets  Fund, GT  Global Variable  Global  Government
Income  Fund and GT Global Variable U.S.  Government Income Fund); and GT Global
Floating Rate Fund, Inc.
 
    (b) Directors and Officers of GT Global, Inc.
 
    Unless otherwise indicated, the business address of each person listed is 50
California Street, 27th Floor, San Francisco, CA 94111.
 
<TABLE>
<CAPTION>
                                              POSITIONS AND OFFICES               POSITIONS AND OFFICES
NAME                                          WITH UNDERWRITER                    WITH REGISTRANT
- --------------------------------------------  ----------------------------------  ----------------------------------
<S>                                           <C>                                 <C>
William J. Guilfoyle                          President and Chairman of the       Chairman of the Board of Directors
                                                Board                               and President
Raymond R. Cunningham                         Senior Vice President -- Director   None
                                                of Sales and Director
Richard W. Healey                             Senior Vice President -- Director   None
                                                of Marketing and Director
Helge K. Lee                                  Secretary and Chief Legal and       Vice President and Secretary
                                                Compliance Officer
David P. Hess                                 Assistant Secretary and Director    Assistant Secretary
                                                of Mutual Fund Compliance
Michael A. Silver                             Assistant Secretary and Assistant   Assistant Secretary
                                                General Counsel
Philip D. Edelstein                           Senior Vice President -- Regional   None
9 Huntly Circle                                 Sales Manager
Palm Beach Gardens, FL 33418
Stephen A. Maginn                             Senior Vice President -- Regional   None
519 S. Juanita                                  Sales Manager
Redondo Beach, CA 90277
Peter J. Wolfert                              Senior Vice President --            None
                                                Information Technology
Christine M. Pallatto                         Senior Vice President -- Director   None
                                                of Human Resources
Earle A. Malm II                              Chief Operating Officer             None
Margo A. Tammen                               Vice President -- Finance &         None
                                                Administration
Gary M. Castro                                Assistant Treasurer & Controller    None
Dennis W. Reichert                            Assistant Treasurer & Budget        Assistant Treasurer
                                                Director
</TABLE>
 
                                      C-6
<PAGE>
<TABLE>
<CAPTION>
                                              POSITIONS AND OFFICES               POSITIONS AND OFFICES
NAME                                          WITH UNDERWRITER                    WITH REGISTRANT
- --------------------------------------------  ----------------------------------  ----------------------------------
<S>                                           <C>                                 <C>
Kenneth W. Chancey                            Senior Vice President -- Fund       Vice President, Principal
                                                Accounting                          Accounting Officer and (Acting)
                                                                                    CFO
Hallie L. Baron                               Vice President -- Public Relations  None
                                                & Shareholder Communications
Claus te Wildt                                Vice President -- Director of       None
                                                Strategy and Business Planning
Pamela Ruddock                                Vice President -- Fund              None
                                                Administration
Paul Wozniak                                  Vice President -- Fund Accounting   None
Christine C. Mangan                           Vice President -- Dealer Marketing  None
Donna B. Abrahamson                           Vice President -- Account           None
                                                Management
Jon Burke                                     Vice President                      None
31 Darlene Drive
Southboro, MA 01772
Phil Christopher                              Vice President                      None
3621 59th Avenue, SW
Seattle, WA 98116
Anthony DiBacco                               Vice President                      None
30585 Via Lindosa Way
Laguna Niguel, CA 92677
Stephen Duffy                                 Vice President                      None
1120 Gables Drive
Atlanta, GA 30319
Glenn R. Farinacci                            Vice President                      None
86 University Place
Staten Island, NY 10301
Ned E. Hammond                                Vice President                      None
5901 McFarland Ct.
Plano, TX 75093-4317
Richard Kashnowski                            Vice President                      None
1368 South Ridge Drive
Mandeville, LA 70448
Allen M. Kuhn                                 Vice President                      None
19655 Red Maple Lane
Jupiter, FL 33458
Steven C. Manns                               Vice President                      None
1941 West Wolfram
Chicago, IL 60657
</TABLE>
 
                                      C-7
<PAGE>
<TABLE>
<CAPTION>
                                              POSITIONS AND OFFICES               POSITIONS AND OFFICES
NAME                                          WITH UNDERWRITER                    WITH REGISTRANT
- --------------------------------------------  ----------------------------------  ----------------------------------
<S>                                           <C>                                 <C>
Wayne F. Meyer                                Vice President                      None
2617 Sun Meadow Drive
Chesterfield, MO 63005
Dean Phillips                                 Vice President                      None
3406 Bishop Park Drive, #428
Winter Park, FL 32792
Philip Schertz                                Vice President                      None
25 Ivy Place
Wayne, NJ 07470
Peter Sykes                                   Vice President                      None
1655 E. Sherman Ave.
Salt Lake City, UT 84105
Lance Vetter                                  Vice President                      None
10915 La Salinas Circle
Boca Raton, FL 33428
Tommy D. Wells                                Vice President                      None
25 Crane Drive
San Anselmo, CA 94960
Todd H. Westby                                Vice President                      None
3405 Goshen Road
Newtown Square, PA 19073
Eric T. Zeigler                               Vice President                      None
437 30th Street
Manhattan Beach, CA 90266
</TABLE>
 
    (c) None.
 
ITEM 30. LOCATION OF ACCOUNTS AND RECORDS
 
    Accounts, books and other  records required by Rules  31a-1 and 31a-2  under
the  Investment Company Act of 1940, as  amended, are maintained and held in the
offices of  the Registrant  and  its investment  manager, Chancellor  LGT  Asset
Management, Inc., 50 California Street, 27th Floor, San Francisco, CA 94111.
 
    Records  covering stockholder  accounts and portfolio  transactions are also
maintained and  kept by  the  Registrant's Transfer  Agent, GT  Global  Investor
Services,  Inc.,  2121 N.  California Boulevard,  Suite  450, Walnut  Creek, CA,
94596, and by the Registrant's Custodian,  State Street Bank and Trust  Company,
225 Franklin Street, Boston, MA 02110.
 
ITEM 31. MANAGEMENT SERVICES
 
    None.
 
ITEM 32. UNDERTAKINGS
 
    None.
 
                                      C-8
<PAGE>
                                   SIGNATURES
 
    Pursuant  to the requirements of the Securities Act of 1933, as amended, and
the Investment Company Act of 1940,  as amended, the Registrant has duly  caused
this Post-Effective Amendment to this Registration Statement to be signed on its
behalf  by  the  undersigned,  thereto  duly  authorized,  in  the  City  of San
Francisco, and State of California, on the 31st day of March, 1998.
 
                                          G.T. INVESTMENT FUNDS, INC.
 
                                          By:  William J. Guilfoyle*
                                               President
 
    Pursuant  to  the  requirements  of   the  Securities  Act  of  1933,   this
Post-Effective Amendment to the Registration Statement of G.T. Investment Funds,
Inc.  has been signed below by the following persons in the capacities indicated
on the 31st day of March, 1998.
 
William J. Guilfoyle*                     President, Director and
                                          Chairman of the Board
                                          (Principal Executive Officer)
 
  /s/  KENNETH W. CHANCEY                 Vice President and Principal
- ----------------------------------------  Accounting Officer
Kenneth W. Chancey
 
C. Derek Anderson*                        Director
 
Arthur C. Patterson*                      Director
 
Frank S. Bayley*                          Director
 
Ruth H. Quigley*                          Director
 
Robert G. Wade, Jr.*                      Director
 
*By:   /s/  MICHAEL A. SILVER
     -----------------------------------
     Michael A. Silver
     Attorney-in-Fact, pursuant to
     Power of Attorney previously filed
 
                                      C-9
<PAGE>
                                   SIGNATURES
 
    Global Investment Portfolio has duly caused this Post-Effective Amendment of
G.T. Investment  Funds, Inc.  to be  signed on  its behalf  by the  undersigned,
thereto  duly  authorized,  in the  City  of  San Francisco,  and  the  State of
California, on the 31st day of March, 1998.
 
                                          GLOBAL INVESTMENT PORTFOLIO
 
                                          By:  William J. Guilfoyle*
                                               President
 
    This  Post-Effective  Amendment  to  the  Registration  Statement  of   G.T.
Investment  Funds, Inc. has  been signed below  by the following  persons in the
capacities indicated on the 31st day of March, 1998.
 
William J. Guilfoyle*                     President, Trustee and
                                          Chairman of the Board
                                          (Principal Executive Officer)
 
  /s/  KENNETH W. CHANCEY                 Vice President and Principal
- ----------------------------------------  Accounting Officer
Kenneth W. Chancey
 
C. Derek Anderson*                        Trustee
 
Arthur C. Patterson*                      Trustee
 
Frank S. Bayley*                          Trustee
 
Ruth H. Quigley*                          Trustee
 
Robert G. Wade, Jr.*                      Trustee
 
*By:   /s/  MICHAEL A. SILVER
     -----------------------------------
     Michael A. Silver
     Attorney-in-Fact, pursuant to
     Power of Attorney previously filed
 
                                      C-10
<PAGE>
                                   SIGNATURES
 
    Global High Income Portfolio has  duly caused this Post-Effective  Amendment
of  G.T. Investment Funds, Inc.  to be signed on  its behalf by the undersigned,
thereto duly  authorized,  in  the City  of  San  Francisco, and  the  State  of
California, on the 31st day of March, 1998.
 
                                          GLOBAL HIGH INCOME PORTFOLIO
 
                                          By:  William J. Guilfoyle*
                                               President
 
    This   Post-Effective  Amendment  to  the  Registration  Statement  of  G.T.
Investment Funds, Inc.  has been signed  below by the  following persons in  the
capacities indicated on the 31st day of March, 1998.
 
William J. Guilfoyle*                     President, Trustee and
                                          Chairman of the Board
                                          (Principal Executive Officer)
 
  /s/  KENNETH W. CHANCEY                 Vice President and Principal
- ----------------------------------------  Accounting Officer
Kenneth W. Chancey
 
C. Derek Anderson*                        Trustee
 
Arthur C. Patterson*                      Trustee
 
Frank S. Bayley*                          Trustee
 
Ruth H. Quigley*                          Trustee
 
Robert G. Wade, Jr.*                      Trustee
 
*By:   /s/  MICHAEL A. SILVER
     -----------------------------------
     Michael A. Silver
     Attorney-in-Fact, pursuant to
     Power of Attorney previously filed
 
                                      C-11


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