AIM SERIES TRUST
497, 1998-09-09
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<PAGE>   1
 
                                                                    [APPLICATION
                                                                         INSIDE]
 
 [AIM LOGO APPEARS HERE]       THE AIM FAMILY OF FUNDS--Registered Trademark--
 
ADVISOR CLASS OF
 
AIM GLOBAL TRENDS FUND
(A SERIES PORTFOLIO OF AIM SERIES TRUST)
PROSPECTUS
SEPTEMBER 8, 1998
 
This Prospectus contains information about AIM GLOBAL TRENDS FUND (the "Fund"),
which is a series investment portfolio of AIM Series Trust (the "Trust"), an
open-end, series, management investment company. The Fund is a diversified
portfolio which seeks long-term growth of capital. Unlike a typical mutual fund,
which invests directly in portfolio securities, the Fund invests substantially
all of its assets in shares of the AIM theme funds: AIM Global Consumer Products
and Services Fund; AIM Global Financial Services Fund; AIM Global Health Care
Fund; AIM Global Infrastructure Fund; AIM Global Resources Fund; and AIM Global
Telecommunications Fund (collectively, the "Underlying Theme Funds").
 
This Prospectus sets forth concisely the information about the Fund that
prospective investors should know before investing. It should be read and
retained for future reference. A Statement of Additional Information, dated
September 8, 1998, has been filed with the Securities and Exchange Commission
(the "SEC") and is incorporated herein by reference. The Statement of Additional
Information is available without charge upon written request to the Trust at 11
Greenway Plaza, Suite 100, Houston, Texas 77046-1173, or by calling (800)
347-4246. The SEC maintains a Web site at http://www.sec.gov that contains the
Statement of Additional Information, material incorporated by reference, and
other information regarding the Fund. Additional information about the Fund may
also be obtained from http://www.aimfunds.com.
 
THE FUND'S SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR GUARANTEED OR ENDORSED
BY, ANY BANK, AND THE FUND'S SHARES ARE NOT FEDERALLY INSURED OR GUARANTEED BY
THE U.S. GOVERNMENT, THE FEDERAL DEPOSIT INSURANCE CORPORATION, THE FEDERAL
RESERVE BOARD OR ANY OTHER AGENCY. SHARES OF THE FUND INVOLVE INVESTMENT RISKS,
INCLUDING THE POSSIBLE LOSS OF PRINCIPAL.
 
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.
<PAGE>   2
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                         PAGE
                                         ----
<S>                                      <C>
SUMMARY................................     2
THE FUND...............................     4
  Table of Fees and Expenses...........     4
  Financial Highlights.................     6
  Performance..........................     7
  Investment Program...................     8
  Description of the Underlying Theme
     Funds.............................     8
  Risk Factors and Special
     Considerations....................    10
  Management...........................    12
  Other Information....................    13
INVESTOR'S GUIDE TO THE AIM FAMILY OF
  FUNDS--Registered Trademark--........   A-1
</TABLE>
 
<TABLE>
<CAPTION>
                                         PAGE
                                         ----
<S>                                      <C>
  Introduction to The AIM Family of
     Funds.............................   A-1
  How to Purchase Shares...............   A-1
  Terms and Conditions of Purchase of
     the AIM Funds.....................   A-2
  Special Plans........................   A-4
  Exchange Privilege...................   A-4
  How to Redeem Shares.................   A-5
  Determination of Net Asset Value.....   A-7
  Dividends, Distributions and Tax
     Matters...........................   A-8
  General Information..................  A-10
  Appendix.............................  A-11
APPLICATION INSTRUCTIONS...............   B-1
</TABLE>
 
                                    SUMMARY
- --------------------------------------------------------------------------------
 
THE FUND
 
  The Fund is a diversified series of the Trust.
 
  INVESTMENT OBJECTIVE. The Fund seeks long-term growth of capital.
 
  PRINCIPAL INVESTMENTS. The Fund invests, under normal circumstances,
substantially all of its assets in shares of the following Underlying Theme
Funds: AIM Global Consumer Products and Services Fund ("Consumer Products and
Services Fund"); AIM Global Financial Services Fund ("Financial Services Fund");
AIM Global Health Care Fund ("Health Care Fund"); AIM Global Infrastructure Fund
("Infrastructure Fund"); AIM Global Resources Fund ("Resources Fund"); and AIM
Global Telecommunications Fund ("Telecommunications Fund"). The allocation of
the Fund's assets to the Underlying Theme Funds is governed strictly by a
formula described herein. See "Investment Objective and Policies."
 
  INVESTMENT MANAGERS. The Fund is managed by A I M Advisors, Inc. ("AIM") and
is sub-advised and sub-administered by INVESCO (NY), Inc. (the "Sub-advisor").
AIM and the Sub-advisor 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-advisor 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 subsidiaries, currently advises
approximately 90 investment company portfolios.
 
  PURCHASING SHARES. 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 advisor 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 the Sub-advisor or one of the
companies formerly affiliated with the Asset Management Division of
Liechtenstein Global Trust AG, provided such accounts were invested in Advisor
Class shares of any of the funds in The AIM Family of Funds that are sub-advised
by the Sub-advisor ("AIM Funds") on May 29, 1998; and (e) any of the companies
affiliated with AMVESCAP PLC.
 
  Pursuant to a separate prospectus, the Fund also offers Class A, Class B and
Class C shares, which represent interests in the Fund. The Class A, Class B and
Class C shares have different distribution arrangements.
 
  Initial investments in Advisor Class shares must be at least $500 and
additional investments must be at least $50. The distributor of the Advisor
Class shares is A I M Distributors, Inc. ("AIM Distributors"), P.O. Box 4739,
Houston, TX 77210-4739. See "How to Purchase Shares."
 
  EXCHANGE PRIVILEGE. The Fund is among those mutual funds distributed by AIM
Distributors (collectively, "The AIM Family of Funds" or the "AIM Funds").
Advisor Class shares of the Fund may be exchanged for Advisor Class shares of
certain funds in The AIM Family of Funds in the manner and subject to the
policies and charges set forth herein. See "Exchange Privilege."
 
                                        2
<PAGE>   3
 
  REDEEMING SHARES. Advisor Class shareholders of the Fund may redeem all or a
portion of their shares at the Fund's net asset value on any business day. See
"How to Redeem Shares."
 
  DISTRIBUTIONS. The Fund currently declares and pays dividends from net
investment income, if any, on an annual basis. The Fund generally makes
distributions of realized capital gains, if any, on an annual basis. Dividends
and distributions of the Fund may be reinvested at net asset value without
payment of a sales charge in the Fund's shares or may be invested in shares of
the other funds in The AIM Family of Funds. See "Dividends, Distributions and
Tax Matters."
 
  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 net asset value of the shares of the Underlying Theme Funds. Investors
should review the investment objectives and policies of the Fund and the
Underlying Theme Funds carefully and consider their ability to assume these and
other risks involved in purchasing shares of the Fund. See "Investment Program,"
"Description of the Underlying Theme Funds' and "Risk Factors and Special
Considerations." As a recently organized entity, the Fund has a limited
operating history.
 
  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.
 
                                        3
<PAGE>   4
 
                                    THE FUND
- --------------------------------------------------------------------------------
 
TABLE OF FEES AND EXPENSES
 
  The expenses and maximum transaction costs associated with investing in
Advisor Class shares of the Fund are reflected in the following table:
 
<TABLE>
<S>                                                           <C>
Shareholder Transactions Costs:
  Maximum sales charge on purchase of shares (as a % of
     offering price)........................................   None
  Sales charges on reinvested distributions to
     shareholders...........................................   None
  Maximum deferred sales charges (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*: (as a % of average net
     assets)
  Investment management fees................................   None
  12b-1 distribution and service fees.......................   None
  Other expenses............................................   None
                                                               ----
          Total Fund Operating Expenses.....................   0.00%
                                                               ====
</TABLE>
 
* The Annual Fund Operating Expenses are estimated for the Fund's initial fiscal
  period. "Other expenses" (including transfer agency, legal and audit fees and
  other operating expenses) initially will be borne by AIM and the Sub-advisor.
  Subject to receipt of an order of the SEC pursuant to a pending exemptive
  application, such expenses may be borne by AIM, the Sub-advisor and the
  Underlying Theme Funds or the Underlying Theme Funds alone. See "Other
  Information -- Special Servicing Agreement." 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.
 
  In addition to the Annual Fund Operating Expenses shown above, the Fund, as a
shareholder in the Underlying Theme Funds, indirectly bears its pro rata share
of the fees and expenses incurred by the Underlying Theme Funds. As a result,
the investment returns of the Fund reflect the expenses of the Underlying Theme
Funds in which it holds shares. Because the Fund invests only in Advisor Class
shares of the Underlying Theme Funds it pays no sales charge or 12b-1
distribution or service fees in connection with these investments. The following
table shows the expense ratios applicable to Advisor Class shares of the
Underlying Theme Funds for their fiscal years ended October 31, 1997.
 
<TABLE>
<CAPTION>
                                                              EXPENSE RATIO OF
                                                               ADVISOR CLASS
UNDERLYING THEME FUND                                            SHARES(1)
- ---------------------                                         ----------------
<S>                                                           <C>
Consumer Products and Services Fund.........................       1.34%
Financial Services Fund.....................................       1.50%
Health Care Fund............................................       1.27%
Infrastructure Fund.........................................       1.50%
Resources Fund..............................................       1.50%
Telecommunications Fund.....................................       1.29%
</TABLE>
 
(1) Effective January 1, 1998, AIM has undertaken to limit each Underlying Theme
    Fund's expenses (exclusive of brokerage commissions, taxes, interest and
    extraordinary expenses) to a maximum level of 1.50% of the average daily net
    assets of such fund's Advisor Class shares.
 
                                        4
<PAGE>   5
 
  The following table shows the aggregate expense ratio of the Fund based on a
weighted average of the expense ratios of Advisor Class shares of the Underlying
Theme Funds in which the Fund was invested as of October 31, 1997, plus the
Fund's total operating expenses.(1)
 
<TABLE>
<CAPTION>
                   AIM GLOBAL TRENDS FUND                        ESTIMATED
       (INCLUDING THE FUND'S INDIRECT PRO RATA SHARE             AGGREGATE
       OF THE EXPENSES OF THE UNDERLYING THEME FUNDS)         EXPENSE RATIO(2)
       ----------------------------------------------         ----------------
<S>                                                           <C>
Advisor Class...............................................       1.35%
</TABLE>
 
(1) These percentages do not necessarily reflect the current allocation of the
    Fund's assets to the Underlying Theme Funds or the allocation of the Fund's
    assets on any other date.
 
(2) Because of AIM's undertaking to limit each Underlying Theme Fund's expenses
    as described above, the Fund's aggregate expense ratio will not exceed 1.50%
    for Advisor Class shares. AIM has voluntarily agreed to continue this
    limitation through May 31, 2000.
 
  HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES. An investor would have directly or
indirectly paid the following expenses of the Fund based upon the Fund's
estimated aggregate expense ratio at the end of the periods shown on a $1,000
investment in the Fund, assuming a 5% annual return:
 
<TABLE>
<CAPTION>
                                                       1 YEAR   3 YEARS   5 YEARS   10 YEARS
                                                       ------   -------   -------   --------
<S>                                                    <C>      <C>       <C>       <C>
Advisor Class shares................................    $14       $43       $75       $164
</TABLE>
 
  The foregoing table is 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 FUTURE EXPENSES. THE
FUND'S ACTUAL DIRECT AND INDIRECT EXPENSES, AND AN INVESTOR'S DIRECT AND
INDIRECT EXPENSES, MAY BE MORE OR LESS THAN THOSE SHOWN. THE EXAMPLE ASSUMES
PAYMENT BY THE FUND OF OPERATING EXPENSES AT THE LEVEL SET FORTH UNDER "ANNUAL
FUND OPERATING EXPENSES" ABOVE AND OF ITS INDIRECT PRO RATA SHARE OF THE ADVISOR
CLASS SHARE EXPENSES OF THE UNDERLYING THEME FUNDS, AS DESCRIBED ABOVE.
 
  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 OR ANY
UNDERLYING THEME FUND'S PROJECTED OR ACTUAL PERFORMANCE.
 
                                        5
<PAGE>   6
 
- --------------------------------------------------------------------------------
 
FINANCIAL HIGHLIGHTS
 
  The table below provides condensed financial information concerning income and
capital changes for one 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 period ended December 31, 1997 have been audited by
PricewaterhouseCoopers LLP, independent accountants, whose report thereon also
is included in the Statement of Additional Information. The unaudited financial
statements and notes for the semi-annual period ended June 30, 1998, are also
included in the Statement of Additional Information.
 
                             AIM GLOBAL TRENDS FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
<TABLE>
<CAPTION>
                                                              SIX MONTHS    SEPTEMBER 15, 1997
                                                                 ENDED       (COMMENCEMENT OF
                                                               JUNE 30,       OPERATIONS) TO
                                                                1998(c)        DECEMBER 31,
                                                              (UNAUDITED)        1997(c)
                                                              -----------   ------------------
<S>                                                           <C>           <C>
ADVISOR CLASS
Per Share Operating Performance:
  Net asset value, beginning of period......................    $10.64            $11.43
                                                                ------            ------
Income from investment operations:
  Net investment income (loss)..............................        --              0.01
  Net realized and unrealized gain (loss) on investments....      1.24             (0.31)
                                                                ------            ------
  Net increase (decrease) from investment operations........      1.24             (0.30)
                                                                ------            ------
Distributions to shareholders:
  In excess of net investment income........................        --             (0.49)
                                                                ------            ------
          Total distributions...............................        --             (0.49)
                                                                ------            ------
Net asset value, end of period..............................    $11.88            $10.64
                                                                ======            ======
Total investment return(b)..................................     11.65%            (2.51)%
                                                                ======            ======
Ratios and supplemental data:
Net assets, end of period (in 000's)........................    $1,419            $1,241
Ratio of net investment income (loss) to average net
  assets(a).................................................      0.01%             0.15%
Ratio of operating expenses to average net assets: (a)......      0.00%             0.00%
Portfolio turnover rate(a)+.................................         8%                1%
</TABLE>
 
- ---------------
 
 (a)  Annualized.
 
 (b)  Not annualized.
 
 (c)  Calculated based upon average shares outstanding during the period.
 
  +   Portfolio turnover is calculated on the basis of the Fund as a whole
      without distinguishing between the classes of shares issues.
 
                                        6
<PAGE>   7
 
- --------------------------------------------------------------------------------
 
PERFORMANCE
 
  All advertisements of the Fund will disclose the maximum sales charge
(including deferred sales charges) imposed on purchases of the Fund's shares. If
any advertised performance data does not reflect the maximum sales charge (if
any), such advertisement will disclose that the sales charge has not been
deducted in computing the performance data, and that, if reflected, the maximum
sales charge would reduce the performance quoted. See the Statement of
Additional Information for further details concerning performance comparisons
used in advertisements by the Fund. Further information regarding the Fund's
performance is contained in the Fund's annual report to shareholders, which is
available upon request and without charge.
 
  The Fund's total return is calculated in accordance with a standardized
formula for computation of annualized total return.
 
  The Fund's total return shows its overall change in value, including changes
in share price and assuming all the Fund's dividends and capital gain
distributions are reinvested. A cumulative total return reflects the Fund's
performance over a stated period of time. An average annual total return
reflects the hypothetical compounded annual rate of return that would have
produced the same cumulative total return if the Fund's performance had been
constant over the entire period. BECAUSE AVERAGE ANNUAL RETURNS TEND TO EVEN OUT
VARIATIONS IN THE FUND'S RETURN, INVESTORS SHOULD RECOGNIZE THAT SUCH RETURNS
ARE NOT THE SAME AS ACTUAL YEAR-BY-YEAR RESULTS. To illustrate the components of
overall performance, the Fund may separate its cumulative and average annual
returns into income results and capital gains or losses.
 
  From time to time and in its discretion, AIM may waive all or a portion of its
advisory fees and/or assume certain expenses of the Fund. Such practices will
have the effect of increasing the Fund's total return. The performance of the
Fund will vary from time to time and past results are not necessarily
representative of future results. The Fund's performance is a function of its
portfolio management in selecting the type and quality of portfolio securities
and is affected by operating expenses of the Fund as well as by general market
conditions.
 
  UNDERLYING THEME FUND PERFORMANCE. The Fund has a limited history and
therefore a limited performance record. Thus, the performance shown below is not
the performance of the Fund, but instead reflects the performance of the
Underlying Theme Funds. The following table shows the average annual total
returns of Class A and Class B shares of each Underlying Theme Fund for the most
recent one- and five-year periods (as applicable) and for the life of the
Underlying Theme Funds. The performance information reflects deduction of the
maximum applicable sales charges. Returns would be higher if these charges were
not reflected. The Fund invests in the Advisor Class shares of the Underlying
Theme Funds, which are not subject to sales charges and distribution and service
fees. However, Class A and Class B shares of the Fund are subject to their own
sales charges and distribution and service fees.
 
<TABLE>
<CAPTION>
                                             1 YEAR              5 YEARS          LIFE OF FUND
                                        -----------------   -----------------   -----------------
UNDERLYING THEME FUND                   CLASS A   CLASS B   CLASS A   CLASS B   CLASS A   CLASS B
- ---------------------                   -------   -------   -------   -------   -------   -------
                                               AVERAGE ANNUAL TOTAL RETURN THROUGH 4/30/98
<S>                                     <C>       <C>       <C>       <C>       <C>       <C>
Consumer Products and Services Fund...  45.69%    47.14%       n/a       n/a    30.87%(1) 31.66%(1)
Financial Services Fund...............  33.53%    34.54%       n/a       n/a    17.52%(2) 17.94%(2)
Health Care Fund......................  28.90%    29.62%    17.91%    18.25%    14.59%(3) 18.50%(4)
Infrastructure Fund...................   8.37%     8.14%       n/a       n/a     9.93%(5) 10.17%(5)
Resources Fund........................   7.91%     7.80%       n/a       n/a     9.00%(6)  9.24%(6)
Telecommunications Fund...............  36.09%    37.17%    14.34%    14.64%    13.67%(7) 14.85%(8)
</TABLE>
 
  Past performance of the Underlying Theme Funds is not a guarantee of future
results for either the Underlying Theme Funds or the Fund. Further information
about each Underlying Theme Fund's performance is contained in its Annual Report
to Shareholders, which may be obtained without charge by calling (800) 824-1580
or contacting your financial adviser.
 
(1) The Consumer Products and Services Fund commenced operations on December 30,
    1994.
 
(2) The Financial Services Fund commenced operations on May 31, 1994.
 
(3) Class A shares of the Health Care Fund were initially offered on August 7,
    1989.
 
(4) Class B shares of the Health Care Fund were initially offered on April 1,
    1993.
 
(5) The Infrastructure Fund commenced operations on May 31, 1994.
 
(6) The Resources Fund commenced operations on May 31, 1994.
 
(7) Class A Shares of the Telecommunications Fund were initially offered on
    January 27, 1992.
 
(8) Class B shares of the Telecommunications Fund were initially offered on
    April 1, 1993.
 
                                        7
<PAGE>   8
 
- --------------------------------------------------------------------------------
 
INVESTMENT PROGRAM
 
  INVESTMENT OBJECTIVE. The Fund seeks long-term growth of capital. Unlike a
typical mutual fund, which invests directly in securities, the Fund invests,
under normal circumstances, substantially all of its assets in the following
Underlying Theme Funds: Consumer Products and Services Fund; Financial Services
Fund; Health Care Fund; Infrastructure Fund; Resources Fund and
Telecommunications Fund.
 
  INVESTMENT POLICIES. The Sub-advisor exercises no discretion in investing the
Fund's assets. Rather, the Sub-advisor periodically determines the allocation of
the Fund's assets to the Underlying Theme Funds according to the industry
weightings of the companies composing the Morgan Stanley Capital International
All Country (AC) World Index ("MSCI"). (The MSCI is a broad unmanaged index of
global stock prices, comprising approximately 2,483 different issuers, located
in 48 countries including both developed and developing countries as of April
30, 1998. Each of the 2,483 stocks is placed into one of 38 MSCI industry
sectors.) The Sub-advisor assesses which of the Underlying Theme Funds can
invest, as part of its primary focus, in each of these industries. For example,
industries in the MSCI in which the Financial Services Fund invests include the
Banking, Financial Services, Insurance and Real Estate industries. The
percentage that those industries compose in the MSCI is the initial weighting
assigned to the Financial Services Fund. Where two or more Underlying Theme
Funds can invest in an industry, the weighting of that industry in the MSCI is
split equally among each qualifying Underlying Theme Fund. See the Appendix for
the allocation of the 38 industries to the Underlying Theme Funds. Of course,
the Underlying Theme Funds do not invest necessarily in the same industries or
the same companies that compose the MSCI. Because the percentage weight assigned
to each industry in the MSCI changes over time and because the percentage of the
Fund's assets invested in each Underlying Theme Fund will change over time, the
Sub-advisor will rebalance the Fund's assets among the Underlying Theme Funds at
least semi-annually. In addition, the Sub-advisor will invest incoming money in,
and satisfy redemption requests by redeeming shares of, each Underlying Theme
Fund according to the MSCI weighting as of the last business day of the
preceding month.
 
  As of April 30, 1998, the allocation of the Fund's assets to the Underlying
Theme Funds was as follows:
 
<TABLE>
<S>                                                           <C>
Consumer Products and Services Fund.........................   30.8%
Financial Services Fund.....................................   21.5%
Health Care Fund............................................   10.4%
Infrastructure Fund.........................................   16.4%
Resources Fund..............................................   11.1%
Telecommunications Fund.....................................    9.7%
</TABLE>
 
  These percentages do not include cash or money market instruments held by the
Fund and do not necessarily reflect the current allocation of the Fund's assets
to the Underlying Theme Funds or the allocation of the Fund's assets on any
other date.
 
  The Fund is a more diversified investment than any single Underlying Theme
Fund. However, because the Underlying Theme Funds are actively managed without
any attempt to reflect the country, industry or company weightings of the MSCI,
the Underlying Theme Funds will perform differently than the corresponding
industry components of the MSCI, and the Underlying Theme Funds will perform
differently than the overall MSCI. While the Fund does not therefore represent
the performance of the MSCI, it does represent a globally diversified portfolio,
with allocations among developed and emerging countries, industries and
companies intended to achieve long-term growth of capital.
 
  The Fund is designed to meet the needs of investors who seek professional
money management services and who appreciate the advantages of diversification.
The Fund by itself should not be considered a complete investment program. As a
recently organized entity, the Fund has a limited operating history.
 
  OTHER INFORMATION. The investment objective of the Fund may not be changed
without the approval of a majority of its outstanding voting securities. As
defined in the Investment Company Act of 1940, as amended ("1940 Act"), and as
used in this Prospectus, 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, the Fund has adopted
certain investment limitations as fundamental policies that also may not be
changed without shareholder approval. See "Investment Limitations" 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, are not fundamental policies and may be changed by the
Trust's Board of Trustees without shareholder approval.
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF THE UNDERLYING THEME FUNDS
 
  The following descriptions summarize the investment objectives and policies of
the Underlying Theme Funds. There is no assurance that any Underlying Theme Fund
will achieve its investment objective. The Statement of Additional Information
includes more information about the investment policies of the Underlying Theme
Funds. Investors desiring more information on an Underlying Theme Fund should
call (800) 347-4246 or contact their financial adviser for the Underlying Theme
Fund's prospectus.
 
  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, that, in turn, invests primarily in equity securities of companies
throughout the world that manufacture, market, retail or distribute consumer
prod-
 
                                        8
<PAGE>   9
 
ucts 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.
 
  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, that, 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-advisor, stand to benefit from developments in
the financial services industries.
 
  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-advisor, stand to benefit from
developments in the health care industries.
 
  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, that, 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-advisor, stand to benefit from developments in the infrastructure
industries.
 
  RESOURCES FUND. The Resources Fund's investment objective is long-term capital
growth. It seeks its objective by investing all of its investable assets in the
Resources Portfolio, that, 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
Resources Portfolio's investment objective is identical to that of the Resources
Fund.
 
  At least 65% of the Resources Portfolio's total assets will normally be
invested in common and preferred stocks 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 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-advisor, stand to benefit from developments in the natural resource
industries.
 
  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-advisor, stand to benefit from developments in
the telecommunications industries.
 
                                        9
<PAGE>   10
 
- --------------------------------------------------------------------------------
 
RISK FACTORS AND SPECIAL CONSIDERATIONS
 
  INVESTING IN THE UNDERLYING THEME FUNDS. The investments of the Fund are
concentrated in the Underlying Theme Funds, so the Fund's investment performance
is directly related to the investment performance of the Underlying Theme Funds.
The ability of the Fund to meet its investment objective is directly related to
the allocation among those Underlying Theme Funds as well as the ability of the
Underlying Theme Funds to meet their objectives. There is no assurance that the
investment objective of the Fund or any Underlying Theme Fund will be achieved.
The value of the Underlying Theme Funds' domestic and foreign investments varies
in response to many factors. The value of equity securities held by an
Underlying Theme 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 an Underlying
Theme Fund generally will fluctuate with changes in the perceived
creditworthiness of the issuers of such securities and interest rates.
 
  Because each Underlying Theme Fund 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.
The value of the shares of each Underlying Theme Fund will be especially
susceptible to factors affecting the industries in which it focuses. In
particular, each of the industries is subject to governmental regulation that
may have a material effect on the products and services offered by companies in
these industries.
 
  UNDERLYING THEME FUNDS' INVESTMENT ALLOCATION. The Sub-advisor allocates each
Underlying Theme Fund's (or its corresponding Portfolio's) assets among
securities of countries and in currency denominations where opportunities for
meeting each Underlying Theme Fund's investment objective are expected to be the
most attractive. Each Underlying Theme Fund may invest substantially in
securities denominated in foreign currencies or in multinational currency units
(such as euros). Under normal conditions, each Underlying Theme Fund 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 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-advisor, on
behalf of the Underlying Theme Funds, 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
Resources Portfolio, the Sub-advisor 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.
 
  FOREIGN INVESTMENTS. The Underlying Theme Funds' investments in foreign
securities may involve risks in addition to those of U.S. investments, including
increased political and economic risk, as well as exposure to currency
fluctuations. By investing in foreign securities, the Underlying Theme Funds
also have increased economic and political risks as they are exposed to events
and factors in the various world markets. This is especially true of an
Underlying Theme Fund that invests in emerging markets. Many investments in
emerging markets are considered speculative and therefore may offer greater
return potential, but have significantly greater risk. Also, to the extent that
an Underlying Theme Fund's investments are denominated in foreign currencies,
changes in the value of foreign currencies can significantly affect the Fund's
share price.
 
  Austria, Belgium, Finland, France, Germany, Ireland, Italy, Luxembourg, the
Netherlands, Portugal, and Spain are members of the European Economic and
Monetary Union (the "EMU"). The EMU intends to establish a common European
currency for participating countries which will be known as the "euro." It is
anticipated that each participating country will supplement its existing
currency with the euro on January 1, 1999, and will replace its existing
currency with the euro on July 1, 2002. Any other European country that is a
member of the European Union and satisfies the criteria for participating in the
EMU may elect to participate in the EMU and may supplement its existing currency
with the euro after January 1, 1999.
 
  The expected introduction of the euro presents unique risks and uncertainties,
including whether the payment and operational systems of banks and other
financial institutions will be ready by January 1, 1999; how outstanding
financial contracts will be treated after January 1, 1999; the establishment of
exchange rates for existing currencies and the euro; and the creation of
suitable clearing and settlement systems for the euro. These and other factors
could cause market disruptions before or after the introduction of the euro and
could adversely affect the value of securities held by the Fund.
 
  LOWER QUALITY DEBT SECURITIES. The Fund may invest in an Underlying Theme Fund
that invests in high yield, high risk securities, commonly known as "junk
bonds." As a result, the Fund may be subject to some of the risks resulting from
high yield investing. The Fund also may invest in Underlying Theme Funds that
invest in medium grade bonds. Lower quality debt instruments generally offer a
higher current yield than that available from higher grade issues, but typically
involve greater risk. Lower rated and comparable unrated securities are
especially subject to adverse changes in general economic conditions, to changes
in the financial condition of their issuers, and to price fluctuation in
response to changes in interest rates. During periods of economic downturn or
rising interest rates, issuers of these instruments may experience financial
stress that could adversely affect their ability to make payments of principal
and interest and increase the possibility of default.
 
                                       10
<PAGE>   11
 
  ILLIQUID SECURITIES. The Underlying Theme Funds may invest 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 prices
lower than similar securities that are liquid.
 
  OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Each Underlying Theme Fund
is authorized to enter into options, futures and forward currency transactions,
although they might not enter into such transactions. Options, futures and
forward currency transactions involve certain risks, which include: (1)
dependence on the Sub-advisor'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 an Underlying Theme 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 an Underlying Theme 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 an Underlying Theme Fund to sell a security at a
disadvantageous time, due to the need for the Underlying Theme Fund to maintain
"cover" or to set aside securities in connection with hedging transactions.
 
  INVESTING IN SMALLER COMPANIES. Each Underlying Theme Fund may invest in
smaller companies that may present greater opportunities for capital
appreciation, but may also involve greater risks than large, established
issuers. Such smaller companies may have limited 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.
 
  OTHER INVESTMENT PRACTICES OF THE UNDERLYING THEME FUNDS. In addition to the
investment practices described in this Prospectus, the Underlying Theme Funds
may engage in certain other investment practices, including lending their
portfolio securities; purchasing securities on a when-issued or delayed delivery
basis; entering into repurchase or reverse repurchase agreements; and borrowing
money. Further information on the investment policies, practices and risks of
the Underlying Theme Funds can be found in the Statement of Additional
Information as well as the Underlying Theme Funds' prospectus and statement of
additional information.
 
  PURCHASES AND REDEMPTIONS. From time to time, the Underlying Theme Funds may
experience relatively large purchases or redemptions due to rebalancing of the
Fund by the Sub-advisor. This may have a material effect on the Underlying Theme
Funds, because Underlying Theme Funds that experience redemptions as a result of
the rebalancing may have to sell portfolio securities and because Underlying
Theme Funds that receive additional cash will have to invest it. While it is
impossible to predict the overall impact of these transactions over time, there
could be adverse effects on portfolio management to the extent that Underlying
Theme Funds may be required to sell securities at times when they would not
otherwise do so, or receive cash that cannot be invested in an expeditious
manner. There may be tax consequences associated with purchases and sales of
securities, and such sales also may increase transaction costs.
 
  MASTER-FEEDER STRUCTURE OF CERTAIN UNDERLYING THEME FUNDS. The Financial
Services Fund, Infrastructure Fund, Resources Fund and Consumer Products and
Services Fund, unlike mutual funds that directly acquire and manage their own
portfolios of securities, each seeks its investment objective by investing all
of its investable assets in the Financial Services Portfolio, Infrastructure
Portfolio, Resources Portfolio and Consumer Products and Services Portfolio
(each a "Portfolio"), respectively. Each Portfolio is a separate investment
company. Because each such Underlying Theme Fund will invest only in its
corresponding Portfolio, that Underlying Theme Fund's shareholders will acquire
only an indirect interest in the investments of that Portfolio.
 
  TEMPORARY DEFENSIVE STRATEGIES. The Underlying Theme Funds retain the
flexibility to respond promptly to changes in market and economic conditions.
Accordingly, in the interest of preserving shareholders' capital the Sub-advisor
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 Underlying Theme Funds may invest up to 100% of their
total assets in cash and/or high quality debt securities and money market
instruments. To the extent an Underlying Theme Fund 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 the shares or to
meet its ordinary daily cash needs, the Underlying Theme Funds may hold cash
and/or may invest in high quality debt instruments and money market instruments.
The Fund may hold cash and/or may invest in money market instruments under
similar circumstances. Money market instruments in which the Underlying Theme
Funds and the Fund may invest include, but are not limited to, United States
government securities; high-grade commercial paper; bank certificates of
deposit; bankers' acceptances and repurchase agreements related to any of the
foregoing. "High-grade commercial paper" refers to commercial paper rated A-1 by
Standard & Poor's, a division of The McGraw-Hill Companies, Inc., or P-1 by
Moody's Investors Service, Inc. or, if not rated, determined by the Sub-advisor
to be of comparable quality.
 
  PORTFOLIO TURNOVER. The Fund's portfolio turnover rate is expected to be low
and is not anticipated to exceed 20% annually. The portfolio turnover rates of
the Underlying Theme Funds and their corresponding Portfolios have ranged from
35% to 392% during their most recent fiscal years. There is no assurance that
the turnover rates of the Underlying Theme Funds and their corresponding
Portfolios will remain within this range during subsequent fiscal years. Higher
turnover rates may result in higher expenses being incurred by the Underlying
Theme Funds.
 
                                       11
<PAGE>   12
 
  AFFILIATED PERSONS. The officers and trustees of the Trust currently serve as
officers and trustees of the Underlying Theme Funds. AIM and the Sub-advisor
also serves as investment advisor and/or administrator and sub-advisor and/or
sub-administrator, respectively, to the Underlying Theme Funds. Therefore,
conflicts may arise as these persons fulfill their fiduciary responsibilities to
the Fund and the Underlying Theme Funds.
 
- --------------------------------------------------------------------------------
 
MANAGEMENT
 
  The Trust's Board of Trustees has overall responsibility for the operation of
the Fund. The Trust's Board of Trustees has approved all significant agreements
between the Trust on the one side and persons or companies furnishing services
to the Fund on the other, including the investment management and administration
agreement with AIM, the investment sub-advisory and sub-administration agreement
between AIM and the Sub-advisor, the agreements with AIM Distributors regarding
distribution of the Fund's shares, the custody agreement and the transfer agency
agreement. The day-to-day operations of the Fund are delegated to the officers
of the Trust, subject always to the investment objective and policies of the
Fund and to the general supervision of the Trust's Board of Trustees. See
"Management -- Trustees and Executive Officers" in the Statement of Additional
Information for information on the Trustees.
 
  INVESTMENT MANAGEMENT AND ADMINISTRATION. Subject to the supervision and
direction of the Trust's Board of Trustees, AIM and the Sub-advisor will ensure
that the Fund's assets are invested in the Underlying Theme Funds according to
the formula and pre-determined percentages described in the "Investment
Objective and Policies" section of this Prospectus. AIM and the Sub-advisor will
determine how the Fund's assets will be invested in short-term investments and
place all purchase and sale orders for such instruments and for the Underlying
Theme Funds. AIM and the Sub-advisor provide the following administration
services to the Fund: furnishing corporate officers and clerical staff;
providing office space, services and equipment; and supervising all matters
relating to the Fund's operation. The Sub-advisor also serves as the Fund's
pricing and accounting agent. Finally, AIM and the Sub-advisor will initially
assume all costs of the Fund's operation, except for service and distribution
fees described below and non-recurring and extraordinary expenses. The Fund, as
a shareholder in the Underlying Theme Funds, indirectly will bear its
proportionate share of any investment management fees and other expenses paid by
the Underlying Theme Funds. The investment management and administration fees
paid by the Underlying Theme Funds are higher than those paid by most mutual
funds.
 
  AIM also serves as the Fund's pricing and accounting agent. For these
services, AIM receives a fee based on the aggregate net assets of the funds
which comprise the following investment companies: AIM Growth Series, AIM
Investment Funds, AIM Investment Portfolios, AIM Series Trust, G.T. Global
Variable Investment Series and G.T. Global Variable Investment Trust. The fee is
calculated at the rate of 0.03% of the first $5 billion of assets, and 0.02% of
the assets in excess of $5 billion. An amount is allocated to and paid by each
such fund based on its relative average daily net assets.
 
  AIM, 11 Greenway Plaza, Suite 100, Houston, Texas 77046, serves as the
investment manager to the Fund pursuant to a master investment management and
administration agreement (the "Advisory Agreement"). AIM was organized in 1976
and, together with its subsidiaries, manages or advises approximately 90
investment company portfolios encompassing a broad range of investment
objectives. The Sub-advisor, 50 California Street, 27th Floor, San Francisco,
California 94111, and 1166 Avenue of the Americas, New York, New York 10036,
serves as the sub-advisor to the Fund pursuant to an investment sub-advisory and
sub-administration agreement. Prior to May 29, 1998, the Sub-advisor was known
as Chancellor LGT Asset Management, Inc. On May 29, 1998, Liechtenstein Global
Trust AG ("LGT"), the former indirect parent organization of the Sub-advisor,
consummated a purchase agreement with AMVESCAP PLC pursuant to which AMVESCAP
PLC acquired LGT's Asset Management Division, which included the Sub-advisor and
certain other affiliates. As a result of this transaction, the Sub-advisor is
now an indirect wholly owned subsidiary of AMVESCAP PLC. Prior to the sale, the
Sub-advisor 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-advisor 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-advisor 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-advisor draw upon the expertise, personnel,
data and systems of other offices in Atlanta, Boston, Dallas, Denver,
Louisville, Miami, Portland (Oregon), Frankfurt, Hong Kong, London, Singapore,
Sydney, Tokyo and Toronto. In managing the Fund, the Sub-advisor employs a team
approach, taking advantage of its investment resources around the world.
 
  While the Fund will not be actively managed or have a portfolio manager, the
Underlying Theme Funds are actively managed by teams of investment
professionals. At least semi-annually the Fund will rebalance the Fund's assets
among the Underlying Theme Funds according to the MSCI weighting as of the last
business day of the preceding month.
 
  DISTRIBUTOR. The Trust has entered into a Master Distribution Agreement (the
"Distribution Agreement"), with AIM Distributors, a registered broker-dealer and
a wholly owned subsidiary of AIM, to act as the distributor of the Advisor Class
shares of the Fund. Certain Trustees and officers of the Trust are affiliated
with AIM Distributors.
 
                                       12
<PAGE>   13
 
  The Distribution Agreement provides AIM Distributors with the exclusive right
to distribute Advisor Class shares of the Fund directly and through institutions
with whom AIM Distributors has entered into selected dealer agreements.
 
- --------------------------------------------------------------------------------
 
OTHER INFORMATION
 
  SPECIAL SERVICING AGREEMENT. Until the Special Servicing Agreement described
below its entered into, AIM and the Sub-advisor will pay all the expenses of the
Fund, excluding service and distribution fees and certain non-recurring and
extraordinary expenses. Expenses initially paid by AIM and the Sub-advisor will
include fees and expenses of the Fund's accounting agent; legal, auditing and
accounting expenses; taxes; fees and expenses of A I M Fund Services, Inc. (the
"Transfer Agent"); fees and expenses of registering or qualifying the Fund's
shares for sale; fees and expenses of Trustees, officers and employees of the
Trust who are not affiliated with AIM or the Sub-advisor; the cost of printing
and distributing reports and notices to existing shareholders; and fees and
expenses incurred in connection with membership in investment company
organizations.
 
  An exemptive application has been filed with the SEC requesting relief from
certain provisions of the 1940 Act to permit the Fund, AIM, the Sub-advisor, the
Underlying Theme Funds and the Transfer Agent to enter into a Special Servicing
Agreement ("Agreement"). If exemptive relief is obtained, all the Fund's
expenses except for service and distribution fees and certain non-recurring and
extraordinary expenses will be paid for in accordance with the Agreement. Under
the Agreement, to the extent that the aggregate expenses of the Fund are less
than the estimated savings to the Underlying Theme Funds from the operation of
the Fund, each Underlying Theme Fund will bear those expenses in proportion to
the average daily value of its shares owned by the Fund and/or the number of
shareholder accounts at the Fund. The estimated savings are expected to result
from the reduction of the Underlying Theme Funds' shareholder servicing costs
due to the elimination of separate shareholder accounts that either currently
are or have potential to be invested in the Underlying Theme Funds. The
estimated savings produced by the operation of the Fund may offset most, if not
all, the expenses incurred by the Fund other than service and distribution fees.
To the extent that the Fund's expenses exceed the aggregate financial benefits
to the Underlying Theme Funds, AIM and the Sub-advisor will pay that excess.
 
  ORGANIZATION OF THE TRUST. The Trust was organized as a Delaware business
trust on May 7, 1998. On May 29, 1998, the Trust acquired the assets of and
assumed the liabilities of GT Global Series Trust, a Massachusetts business
trust organized on August 26, 1996. The Trust currently consists of one series.
From time to time, the Trust may establish other series, each holding a distinct
investment portfolio and issuing a distinct series of the Trust's shares of
beneficial interest. Shares of each series are entitled to one vote per share
(with proportional voting for fractional shares) and are transferable.
Shareholders have no preemptive rights. Other than the automatic conversion of
Class B shares to Class A shares, there are no conversion rights.
 
  If any additional series of the Trust are established, on any matter submitted
to a vote of shareholders, shares of each series will be voted by its
shareholders individually when the matter affects the specific interest of that
series only, such as approval of its investment management arrangements. The
shares of the Trust's series would be voted in the aggregate on other matters,
such as the election of Trustees and ratification of the selection by the Board
of Trustees of the Trust's independent accountants.
 
  Normally there will be no annual meeting of shareholders in any year, except
as required under the 1940 Act. Fund shares 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 at any
meeting of the shareholders of the Trust by a vote of the shareholders owning at
least two-thirds of the outstanding shares. Any Trustee may call a special
meeting of shareholders for any purpose. Furthermore, Trustees shall promptly
call a meeting of shareholders solely for the purpose of removing one or more
Trustees when requested in writing to do so by shareholders holding 10% of the
Trust's outstanding shares.
 
  Pursuant to the Trust's Declaration of Trust, the Trust 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 Fund shares 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 normally has
exclusive voting rights with respect to its distribution plan and bears the
expenses, if any, related to the distribution of its shares. Fund shares, when
issued, are fully paid and nonassessable.
 
  LEGAL COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts
Avenue, N.W., Washington, D.C. 20036-1800 acts as counsel to the Trust and the
Fund.
 
                                       13
<PAGE>   14
 
     THE TOLL-FREE NUMBER FOR ACCESS TO ROUTINE ACCOUNT INFORMATION AND TO
                           SHAREHOLDER ASSISTANCE IS
             (800) 959-4246 (7:30 A.M. TO 6:00 P.M. CENTRAL TIME).
                                INVESTOR'S GUIDE
                  TO THE AIM FAMILY OF FUNDS--Register Mark--
                            FOR ADVISOR CLASS SHARES
- --------------------------------------------------------------------------------
 
INTRODUCTION TO THE AIM FAMILY OF FUNDS
 
  THE AIM FAMILY OF FUNDS consists of approximately 50 mutual funds, several of
which offer Advisor Class shares. Only Advisor Class shares are offered through
this Prospectus. Advisor Class shares are available from the following funds
(collectively, the "Advisor Class Funds"):
 
<TABLE>
            <S>                                           <C>
            AIM BASIC VALUE FUND                          AIM GLOBAL INFRASTRUCTURE FUND
            AIM DEVELOPING MARKETS FUND                   AIM GLOBAL RESOURCES FUND
            AIM DOLLAR FUND                               AIM GLOBAL TELECOMMUNICATIONS FUND
            AIM EMERGING MARKETS FUND                     AIM GLOBAL TRENDS FUND
            AIM EMERGING MARKETS DEBT FUND                AIM INTERNATIONAL GROWTH FUND
            AIM EUROPE GROWTH FUND                        AIM JAPAN GROWTH FUND
            AIM GLOBAL CONSUMER PRODUCTS                  AIM LATIN AMERICAN GROWTH FUND
              AND SERVICES FUND                           AIM MID CAP EQUITY FUND
            AIM GLOBAL FINANCIAL SERVICES FUND            AIM NEW PACIFIC GROWTH FUND
            AIM GLOBAL GOVERNMENT INCOME FUND             AIM SMALL CAP GROWTH FUND
            AIM GLOBAL GROWTH & INCOME FUND               AIM STRATEGIC INCOME FUND
            AIM GLOBAL HEALTH CARE FUND                   AIM WORLDWIDE GROWTH FUND
</TABLE>
 
  IT IS IMPORTANT FOR SHAREHOLDERS CONSIDERING AN EXCHANGE TO CAREFULLY REVIEW
THE PROSPECTUS OF THE FUND WHOSE SHARES WILL BE ACQUIRED IN AN EXCHANGE. ADVISOR
CLASS SHARES OF A FUND MAY BE EXCHANGED ONLY FOR ADVISOR CLASS SHARES OF ANOTHER
FUND. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL SHARES OF ANY FUND
OTHER THAN THE FUND(S) NAMED ON THE COVER PAGE OF THIS PROSPECTUS.
- --------------------------------------------------------------------------------
 
HOW TO PURCHASE SHARES
 
  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.
 
  HOW TO OPEN AN ACCOUNT. Advisor Class shares are available through Financial
Advisers (as defined herein) who have entered into agreements with A I M
Distributors, Inc. ("AIM Distributors"). In order to purchase Advisor Class
shares of any Advisor Class Fund, the Financial Adviser, on behalf of the
investor, must submit a fully completed new Account Application form directly to
A I M Fund Services, Inc. ("AFS" or the "Transfer Agent"). The Transfer Agent
will not accept new Account Application forms submitted directly by investors.
 
  Accounts submitted without a correct, certified taxpayer identification number
or, alternatively, a completed Internal Revenue Service ("IRS") Form W-8 (for
non-resident aliens) or Form W-9 (certifying exempt status) accompanying the
registration information will be subject to backup withholding. See the Account
Application for applicable IRS penalties. The minimum initial investment for
Advisor Class shares is $500.
 
  AFS' mailing address is:
                              A I M Fund Services, Inc.
                              P.O. Box 4739
                              Houston, TX 77210-4739
 
                                       A-1
<PAGE>   15
 
  For additional information or assistance, investors should call the Client
Services Department of AFS at:
 
                               (800) 959-4246
 
  Advisor Class shares of any Advisor Class Funds not named on the cover of this
Prospectus, as well as Class A, Class B and Class C shares of other funds
distributed by AIM Distributors ("AIM Funds"), are offered pursuant to separate
prospectuses. Copies of other prospectuses may be obtained by calling (800)
347-4246.
 
  INITIAL AND SUBSEQUENT PURCHASES BY WIRE: To insure prompt credit to his
account, an investor or his Financial Adviser should call AFS' Client Services
Department at (800) 959-4246 prior to sending a wire to receive a reference
number for the wire. The following wire instructions should be used:
 
<TABLE>
                   <S>                               <C>
                   Beneficiary Bank ABA/Routing #:   113000609
                   Beneficiary Account Number:       00100366807
                   Beneficiary Account Name:         A I M Fund Services, Inc.
                   RFB:                              Fund name, Reference Number (16 character limit)
                                                     Shareholder Name, Shareholder Account Number (70
                   OBI:                              character limit)
</TABLE>
 
  It is recommended that investors in wrap fee accounts and advisory accounts
place orders through their Financial Advisers.
 
  HOW TO PURCHASE ADDITIONAL SHARES. Additional Advisor Class shares may be
purchased directly through AIM Distributors or through any Financial Adviser who
has entered into an agreement with AIM Distributors. The minimum investment for
additional purchases of Advisor Class shares is $50.
 
  BY MAIL: Investors must indicate their account number and the name of the Fund
being purchased. The remittance slip from a confirmation statement should be
used for this purpose, and sent to AFS.
 
  BY AIM BANK CONNECTION(SM): To purchase additional Advisor Class shares by
electronic funds transfer, please contact the Client Services Department of AFS
for details.
 
- --------------------------------------------------------------------------------
 
TERMS AND CONDITIONS OF PURCHASE OF THE AIM FUNDS
 
  In addition to the Advisor Class Funds, the AIM Funds consist of the following
funds: 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 SMALL CAP OPPORTUNITIES FUND, AIM TAX-EXEMPT BOND FUND OF CONNECTICUT, AIM
TAX-EXEMPT CASH FUND, AIM TAX-FREE INTERMEDIATE FUND, AIM VALUE FUND and AIM
WEINGARTEN FUND, collectively (other than AIM AGGRESSIVE GROWTH FUND, AIM
LIMITED MATURITY TREASURY FUND, AIM TAX-EXEMPT BOND FUND OF CONNECTICUT, AIM
TAX-EXEMPT CASH FUND and AIM TAX-FREE INTERMEDIATE FUND), with the Advisor Class
Funds, the "Multiple Class Funds." For information on purchasing any of the AIM
Funds and to receive a prospectus, please call (800) 347-4246. Net asset value
is determined in the manner described under the caption "Determination of Net
Asset Value."
 
  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
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 such program an annual fee of at least .50% of the assets in the
account; (d) accounts advised by INVESCO (NY), Inc. or one of the companies
formerly affiliated with Liechtenstein Global Trust AG, provided such accounts
were invested in Advisor Class shares on May 29, 1998; (e) any of the companies
affiliated with AMVESCAP PLC; and (f) AIM GLOBAL TRENDS FUND (certain Advisor
Class Funds only).
 
  Financial planners, trust companies, bank trust departments and registered
investment advisers referenced in clause (b) above, and sponsors of "wrap fee'
programs referenced in clause (c) above are collectively referred to as
"Financial Advisers." Financial Advisers and other fiduciaries may be required
to provide information satisfactory to AIM Distributors concerning their
eligibility to purchase Advisor Class shares. Investors in wrap fee programs and
advisory accounts may only purchase Advisor Class shares through Financial
Advisers who have entered into agreements with AIM Distributors. Investors may
be charged a fee by their agents or brokers for effecting transactions in
Advisor Class shares.
 
  AIM Distributors may, from time to time, pay a bonus or other consideration or
incentive to dealers who sell a minimum dollar amount of the shares of the AIM
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
 
                                       A-2
<PAGE>   16
 
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 AIM Fund's shares or the amount that any particular AIM Fund
will receive as proceeds from such sales. Dealers may not use sales of the AIM
Funds' shares to qualify for any incentives to the extent that such incentives
may be prohibited by the laws of any state.
 
  TIMING OF PURCHASE ORDERS. Orders for the purchase of Advisor Class shares
received prior to the close of regular trading on the New York Stock Exchange
("NYSE"), which is generally 4:00 p.m. Eastern Time (and which is hereinafter
referred to as "NYSE Close"), on any business day of an AIM Fund will be
confirmed at the price next determined. Orders received after NYSE Close will be
confirmed at the price determined on the next business day of the AIM Fund.
Certain financial institutions (or their designees) may be authorized to accept
purchase orders on behalf of the AIM Funds. Orders received by authorized
institutions (or their designees) before NYSE Close will be deemed to have been
received by an AIM 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. It is the responsibility of the dealer/financial
institution to ensure that all orders are transmitted on a timely basis to the
Transfer Agent. Any loss resulting from the dealer/financial institution's
failure to submit an order within the prescribed time frame will be borne by
that dealer/financial institution. Please see "How to Purchase Shares -- Initial
and Subsequent Purchases by Wire" for information on obtaining a reference
number for wire orders, which will facilitate the handling of such orders and
ensure prompt credit to an investor's account. A "business day" of an AIM Fund
is any day on which the NYSE is open for business. It is expected that the NYSE
will be closed during the next twelve months on Saturdays and Sundays and on the
days on which New Year's Day, Martin Luther King, Jr. Day, Presidents' Day, Good
Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving Day and
Christmas Day are observed by the NYSE.
 
  An investor who uses a check to purchase shares will be credited with the full
number of shares purchased at the time of receipt of the purchase order, as
previously described. However, in the event of a redemption or exchange of such
shares, the investor may be required to wait up to ten business days before the
redemption proceeds are sent. This delay is necessary in order to ensure that
the check has cleared. If the check does not clear, or if any investment order
must be cancelled due to nonpayment, the investor will be responsible for any
resulting loss to an AIM Fund or to AIM Distributors.
 
  SPECIAL INFORMATION RELATING TO AIM DOLLAR FUND. Because AIM DOLLAR FUND uses
the amortized cost method of valuing the securities it holds and rounds its per
share net asset value to the nearest whole cent, it is anticipated that the net
asset value of the shares of that fund will remain constant at $1.00 per share.
However, there is no assurance that AIM DOLLAR FUND can maintain a $1.00 net
asset value per share. AIM DOLLAR FUND generally will not issue share
certificates but will record investor holdings in noncertificate form and
regularly advise the shareholder of his ownership position.
 
  SHARE CERTIFICATES. Share certificates for all AIM Funds will be issued upon
written request by a shareholder to AIM Distributors or the Transfer Agent.
Otherwise, such shares will be held on the shareholder's behalf by the
applicable AIM Fund(s) and be recorded on the books of such fund(s). See
"Exchange Privilege -- Exchanges by Telephone" and "How to Redeem
Shares -- Redemptions by Telephone" for restrictions applicable to shares issued
in certificate form.
 
  MINIMUM ACCOUNT BALANCE. If (1) an account opened in a fund has been in effect
for at least one year and the shareholder has not made an additional purchase in
that account within the preceding six calendar months and (2) the value of such
account drops below $500 for three consecutive months as a result of redemptions
or exchanges, the fund has the right to redeem the account, after giving the
shareholder 60 days' prior written notice, unless the shareholder makes
additional investments within the notice period to bring the account value up to
$500. If a fund determines that a shareholder has provided incorrect information
in opening an account with a fund or in the course of conducting subsequent
transactions with the fund related to such account, the fund may, in its
discretion, redeem the account and distribute the proceeds of such redemption to
the shareholder.
 
  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 AIM 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 "Exchange Privilege."
 
                                       A-3
<PAGE>   17
 
- --------------------------------------------------------------------------------
 
SPECIAL PLANS
 
  Except as noted below, each Advisor Class Fund provides the special plans
described below for the convenience of its Advisor Class shareholders. Once
established, there is no obligation to continue to invest through a plan, and a
shareholder may terminate a plan at any time.
 
  Special plan applications and further information, including details of any
fees which are charged to a shareholder investing through a plan, may be
obtained by written request, directed to AFS at the address provided under "How
to Purchase Shares," or by calling the Client Services Department of AFS at
(800) 959-4246. IT IS RECOMMENDED THAT A SHAREHOLDER CONSIDERING ANY OF THE
PLANS DESCRIBED HEREIN CONSULT A TAX ADVISOR BEFORE COMMENCING PARTICIPATION IN
SUCH A PLAN.
 
  AUTOMATIC DIVIDEND INVESTMENT PLAN. Advisor Class shareholders may elect to
have all dividends and distributions declared by an Advisor Class Fund paid in
cash or invested at net asset value either in Advisor Class shares of the same
Advisor Class Fund or invested in shares of another Advisor Class Fund. See
"Dividends, Distributions and Tax Matters -- Dividends and Distributions" for a
description of payment dates for these options. In order to qualify to have
dividends and distributions of one Advisor Class Fund invested in shares of
another Advisor Class Fund, the following conditions must be satisfied: (a) the
shareholder must have an account balance in the dividend paying fund of at least
$5,000; (b) the account must be held in the name of the shareholder (i.e., the
account may not be held in nominee name); and (c) the shareholder must have
requested and completed an authorization relating to the reinvestment of
dividends into another Advisor Class Fund. An authorization may be given on the
account application or on an authorization form available from AIM Distributors.
An Advisor Class Fund will waive the $5,000 minimum account value requirement if
the shareholder has an account in the fund selected to receive the dividends and
distributions with a value of at least $500.
 
  PORTFOLIO REBALANCING PROGRAM. The Portfolio Rebalancing Program ("Program")
permits eligible shareholders with a minimum account balance of $5,000 to
establish and maintain an allocation across a range of Advisor Class Funds. The
Program automatically rebalances holdings of Advisor Class 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, Advisor Class Funds ("Personal
Portfolio") is to be rebalanced on a quarterly, semiannual, or annual basis.
 
  Rebalancing under the Program will be effected through the exchange of shares
of one or more Advisor Class Funds in the shareholder's Personal Portfolio for
shares of the same class(es) of one or more other Advisor Class Funds in the
shareholder's Personal Portfolio. See "Exchange Privilege." If shares of the
Advisor Class Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of Advisor Class
Fund(s) that have appreciated most during the period being exchanged for shares
of Advisor Class 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, Distributions and Tax
Matters -- Dividends and Distributions." 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 Advisor Class 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 an Advisor Class Fund's
shares. The AIM Funds and AIM Distributors reserve the right to modify, suspend,
or terminate the Program at any time on sixty (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 Advisor
Class 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
dealers/financial institutions may charge a fee for establishing accounts
relating to the Program. Investors should contact their dealers/financial
institutions or AIM Distributors for more information.
 
- --------------------------------------------------------------------------------
 
EXCHANGE PRIVILEGE
 
  TERMS AND CONDITIONS OF EXCHANGES. Advisor Class shareholders of the Advisor
Class Funds may participate in an exchange privilege as described below. AIM
Distributors acts as distributor for the Advisor Class Funds which represent a
range of different investment objectives and policies.
 
  Advisor Class shares of any Advisor Class Fund may be exchanged only for
Advisor Class shares of any other Advisor Class Fund.
 
  Investors in wrap fee programs and advisory accounts interested in making an
exchange should contact their Financial Advisers to request the prospectus of an
Advisor Class Fund being considered. Other investors should contact AIM
Distributors for the appropriate prospectus.
 
  An exchange is permitted only in the following circumstances: (a) the dollar
amount of the exchange must be at least equal to the minimum investment
applicable to the shares of the Advisor Class Fund acquired through such
exchange; (b) the shares of the Advisor
 
                                       A-4
<PAGE>   18
 
Class Fund acquired through exchange must be qualified for sale in the state in
which the shareholder resides; (c) the exchange must be made between accounts
having identical registrations and addresses; (d) the full amount of the
purchase price for the shares being exchanged must have already been received by
the fund; (e) the account from which shares have been exchanged must be coded as
having a certified taxpayer identification number on file or, in the
alternative, an appropriate IRS Form W-8 (certificate of foreign status) or Form
W-9 (certifying exempt status) must have been received by the fund; (f) newly
acquired shares (through either an initial or subsequent investment) are held in
an account for at least ten business days, and all other shares are held in an
account for at least one day, prior to the exchange; and (g) certificates
representing shares must be returned before shares can be exchanged. There is no
fee for exchanges among the Advisor Class Funds.
 
  THE CURRENT PROSPECTUS OF EACH OF THE ADVISOR CLASS FUNDS AND CURRENT
INFORMATION CONCERNING THE OPERATION OF THE EXCHANGE PRIVILEGE ARE AVAILABLE
THROUGH AIM DISTRIBUTORS OR THROUGH ANY DEALER WHO HAS EXECUTED AN APPLICABLE
AGREEMENT WITH AIM DISTRIBUTORS. BEFORE EXCHANGING SHARES, INVESTORS SHOULD
REVIEW THE PROSPECTUSES OF THE FUNDS WHOSE SHARES WILL BE ACQUIRED THROUGH
EXCHANGE. EXCHANGES OF SHARES ARE CONSIDERED TO BE SALES FOR FEDERAL AND STATE
INCOME TAX PURPOSES AND MAY RESULT IN A TAXABLE GAIN OR LOSS TO A SHAREHOLDER.
 
  THE EXCHANGE PRIVILEGE IS NOT AN OPTION OR RIGHT TO PURCHASE SHARES BUT IS
PERMITTED UNDER THE RESPECTIVE POLICIES OF THE PARTICIPATING FUNDS, AND MAY BE
MODIFIED OR DISCONTINUED BY ANY OF SUCH FUNDS OR BY AIM DISTRIBUTORS AT ANY
TIME, AND TO THE EXTENT PERMITTED BY APPLICABLE LAW, WITHOUT NOTICE.
 
  Shares of any Advisor Class Fund to be exchanged are redeemed at their net
asset value as determined at NYSE Close on the day that an exchange request in
proper form (described below) is received. Exchange requests received after NYSE
Close will result in the redemption of shares at their net asset value at NYSE
Close on the next business day. Normally, Advisor Class shares of an Advisor
Class Fund to be acquired by exchange are purchased at their net asset value
determined on the date that such request is received, but under unusual market
conditions such purchases may be delayed for up to five business days if it is
determined that an Advisor Class Fund would be materially disadvantaged by an
immediate transfer of the proceeds of the exchange. If a shareholder is
exchanging into an Advisor Class Fund that declares daily dividends ("Dividends,
Distributions and Tax Matters -- Dividends and Distributions," below), and the
release of the exchange proceeds is delayed for the foregoing five-day period,
such shareholder will not begin to accrue dividends until the sixth business day
after the exchange. Advisor Class shares purchased by check may not be exchanged
until it is determined that the check has cleared, which may take up to ten
business days from the date that the check is received. See "Terms and
Conditions of Purchase of the AIM Funds -- Timing of Purchase Orders."
 
  In the event of unusual market conditions, AIM Distributors reserves the right
to reject any exchange request, if, in the judgment of AIM Distributors, the
number of requests or the total value of the shares that are the subject of the
exchange places a material burden on a fund. For example, the number of
exchanges by investment managers making market timing exchanges may be limited.
 
  EXCHANGES BY MAIL. Investors exchanging their Advisor Class shares by mail
should send a written request to AFS. The request should contain the account
registration and account number, the dollar amount or number of Advisor Class
shares to be exchanged, and the names of the Advisor Class Funds from which and
into which the exchange is to be made. The request should comply with all of the
requirements for redemption by mail. See "How to Redeem Shares."
 
  EXCHANGES BY TELEPHONE. Shareholders or their agents may request an exchange
by telephone. A shareholder may give exchange information to his Financial
Adviser. If a shareholder does not wish to allow telephone exchanges by any
person in his account, he should decline that option on the account application.
AIM Distributors has made arrangements with certain dealers and investment
advisory firms to accept telephone instructions to exchange shares between any
of the Advisor Class Funds. AIM Distributors reserves the right to impose
conditions on dealers or investment advisors who make telephone exchanges of
shares of the Advisor Class Funds, including the condition that any such dealer
or investment advisor enter into an agreement (which contains additional
conditions with respect to exchanges of shares) with AIM Distributors. To
exchange shares by telephone, a Financial Adviser, shareholder or dealer who has
satisfied the foregoing conditions must call AFS at (800) 959-4246. If a
Financial Adviser, shareholder or dealer is unable to reach AFS by telephone, he
may also request exchanges by telegraph or use overnight courier services to
expedite exchanges by mail, which will be effective on the business day received
by the Transfer Agent as long as such request is received prior to NYSE Close.
The Transfer Agent and AIM Distributors will not be liable for any loss, expense
or cost arising out of any telephone exchange request that they reasonably
believe to be genuine, but may in certain cases be liable for losses due to
unauthorized or fraudulent transactions if they do not follow reasonable
procedures for verification of telephone transactions. Such reasonable
procedures may include recordings of telephone transactions (maintained for six
months), requests for confirmation of the shareholder's Social Security Number
and current address, and mailings of confirmations promptly after the
transaction.
 
- --------------------------------------------------------------------------------
 
HOW TO REDEEM SHARES
 
  Shares of the AIM Funds may be redeemed directly through AIM Distributors or
through any dealer/financial institution who has entered into an agreement with
AIM Distributors. In addition to the obligation of the fund(s) named on the
cover page to redeem shares, AIM Distributors also repurchases shares. No
redemption fee is imposed when Advisor Class shares are redeemed or repurchased;
however, dealers/financial institutions may charge service fees for handling
repurchase transactions.
 
                                       A-5
<PAGE>   19
 
  REDEMPTIONS BY MAIL. Redemption requests must be in writing and sent to the
Transfer Agent. Upon receipt of a redemption request in proper form, payment
will be made as soon as practicable, but in any event will normally be made
within seven days after receipt. However, in the event of a redemption of shares
purchased by check, the investor may be required to wait up to ten business days
before the redemption proceeds are sent. See "Terms and Conditions of Purchase
of the AIM Funds -- Timing of Purchase Orders."
 
  Requests for redemption must include: (a) original signatures of each
registered owner exactly as the shares are registered; (b) the fund and the
account number of shares to be redeemed; (c) share certificates, either properly
endorsed or accompanied by a duly executed stock power, for the shares to be
redeemed if such certificates have been issued and the shares are not in the
custody of the Transfer Agent; (d) signature guarantees, as described below; and
(e) any additional documents that may be required for redemption by
corporations, partnership, trusts or other entities. The burden is on the
shareholder to inquire as to whether any additional documentation is required.
Any request not in proper form may be rejected and in such case must be renewed
in writing.
 
  REDEMPTIONS BY TELEPHONE. Shareholders may request a redemption by telephone.
If a shareholder does not wish to allow telephone redemptions by any person in
his account, he should decline that option on the account application. The
telephone redemption feature can be used only if: (a) the redemption proceeds
are to be mailed to the address of record or transferred electronically or wired
to the pre-authorized bank account; (b) there has been no change of address of
record on the account within the preceding 30 days; (c) the shares to be
redeemed are not in certificate form; (d) the person requesting the redemption
can provide proper identification information, and (e) the proceeds of the
redemption do not exceed $50,000. AIM Distributors has made arrangements with
certain dealers and investment advisors to accept telephone instructions for the
redemption of shares. AIM Distributors reserves the right to impose conditions
on these dealers and investment advisors, including the condition that they
enter into agreements (which contain additional conditions with respect to the
redemption of shares) with AIM Distributors. The Transfer Agent and AIM
Distributors will not be liable for any loss, expense or cost arising out of any
telephone redemption request effected in accordance with the authorization set
forth in the appropriate form if they reasonably believe such request to be
genuine, but may in certain cases be liable for losses due to unauthorized or
fraudulent transactions if they do not follow reasonable procedures for
verification of telephone transactions. Such reasonable procedures may include
recordings of telephone transactions (maintained for six months), requests for
confirmation of the shareholder's taxpayer identification number and current
address, and mailings of confirmations promptly after the transaction.
 
  TIMING AND PRICING OF REDEMPTION ORDERS. Advisor Class shares of the Advisor
Class Funds are redeemed at their net asset value next computed after a request
for redemption in proper form (including signature guarantees and other required
documentation for written redemptions) is received by the Transfer Agent or
certain financial institutions (or their designees) who are authorized to accept
redemption orders on behalf of the AIM Funds, provided that such orders are
transmitted to the Transfer Agent prior to the time set for receipt of such
orders. Orders for the redemption of Advisor Class shares received on any
business day of an AIM Fund will be confirmed at the price determined as of the
close of that day. Orders received after NYSE Close will be confirmed at the
price determined on the next business day of an AIM Fund. It is the
responsibility of the dealer/financial institution to ensure that all orders are
transmitted on a timely basis. Any resulting loss from the dealer/financial
institution's failure to submit a request for redemption within the prescribed
time frame will be borne by that dealer/financial institution. Telephone
redemption requests must be made by NYSE Close on any business day of an AIM
Fund and will be confirmed at the price determined as of the close of that day.
No AIM Fund will accept requests which specify a particular date for redemption
or which specify any special conditions.
 
  Payment of the proceeds of redeemed shares is normally made within seven days
following the redemption date. However, in the event of a redemption of shares
purchased by check, the investor may be required to wait up to ten business days
before the redemption proceeds are sent. See "Terms and Conditions of Purchase
of the AIM Funds -- Timing of Purchase Orders." A charge for special handling
(such as wiring of funds or expedited delivery services) may be made by the
Transfer Agent. The right of redemption may not be suspended or the date of
payment upon redemption postponed except under unusual circumstances such as
when trading on the NYSE is restricted or suspended. Payment of the proceeds of
redemptions relating to shares for which checks sent in payment have not yet
cleared will be delayed until it is determined that the check has cleared, which
may take up to ten business days from the date that the check is received.
 
  SIGNATURE GUARANTEES. A signature guarantee is designed to protect the
investor, the AIM Funds, AIM Distributors, and their agents by verifying the
signature of each investor seeking to redeem, transfer, or exchange shares of an
AIM Fund. Examples of when signature guarantees are required are: (1)
redemptions by mail in excess of $50,000; (2) redemptions by mail if the
proceeds are to be paid to someone other than the name(s) in which the account
is registered; (3) written redemptions requesting proceeds to be sent to other
than the bank of record for the account; (4) redemptions requesting proceeds to
be sent to a new address or an address that has been changed within the past 30
days; (5) requests to transfer the registration of shares to another owner, (6)
telephone exchange and telephone redemption authorization forms; (7) changes in
previously designated wiring or electronic funds transfer instructions, and (8)
written redemptions or exchanges of shares previously reported as lost, whether
or not the redemption amount is under $50,000 or the proceeds are to be sent to
the address of record. These requirements may be waived or modified upon notice
to shareholders.
 
  Acceptable guarantors include banks, broker-dealers, credit unions, national
securities exchanges, savings associations and any other organization, provided
that such institution or organization qualifies as an "eligible guarantor
institution" as that term in defined in rules adopted by the Securities and
Exchange Commission (the "SEC"), and further provided that such guarantor
institution is listed in one of the reference guides contained in the Transfer
Agent's current Signature Guarantee Standards and Procedures, such
 
                                       A-6
<PAGE>   20
 
as certain domestic banks, credit unions, securities dealers, or securities
exchanges. The Transfer Agent will also accept signatures with either: (1) a
signature guaranteed with a medallion stamp of the STAMP Program, or (2) a
signature guaranteed with a medallion stamp of the NYSE Medallion Signature
Program, provided that in either event, the amount of the transaction involved
does not exceed the surety coverage amount indicated on the medallion. For
information regarding whether a particular institution or organization qualifies
as an "eligible guarantor institution," an investor should contact the Client
Services Department of AFS.
 
- --------------------------------------------------------------------------------
 
DETERMINATION OF NET ASSET VALUE
 
  The net asset value per share (or share price) of each Advisor Class Fund is
determined as of 4:00 p.m. Eastern Time on each "business day" of a fund as
previously defined. In the event the NYSE closes early (i.e. before 4:00 p.m.
Eastern Time) on a particular day, the net asset value of an Advisor Class
Fund's share will be determined as of the close of the NYSE on such day. For
purposes of defining net asset value per share, futures and options contracts
generally will be valued 15 minutes after the close of trading of the NYSE. The
net asset value per share is calculated by subtracting a class' liabilities from
its assets and dividing the result by the total number of class shares
outstanding. The determination of net asset value per share is made in
accordance with generally accepted accounting principles. Among other items,
liabilities include accrued expenses and dividends payable, and total assets
include portfolio securities valued at their market value, as well as income
accrued but not yet received. Securities for which market quotations are not
readily available are valued at fair value as determined in good faith by or
under the supervision of the fund's officers and in accordance with methods
which are specifically authorized by its governing Board of Directors or
Trustees. Short-term obligations with maturities of 60 days or less, and the
securities held by the AIM DOLLAR FUND, are valued at amortized cost as
reflecting fair value.
 
  Generally, trading in foreign securities, corporate bonds, U.S. Government
securities and money market instruments is substantially completed each day at
various times prior to the close of the NYSE. The values of such securities used
in computing the net asset value of an AIM Fund's shares are determined as of
such times. Foreign currency exchange rates are also generally determined prior
to the close of the NYSE. Occasionally, events affecting the values of such
securities and such exchange rates may occur between the times at which the
values of the securities are determined and the close of the NYSE which will not
be reflected in the computation of an AIM Fund's net asset value. If events
materially affecting the value of such securities occur during such period, then
these securities will be valued at their fair value as determined in good faith
by or under the supervision of the Board of Directors or Trustees of the
applicable AIM Fund. Securities listed primarily on foreign exchanges may 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.
 
                                       A-7
<PAGE>   21
 
- --------------------------------------------------------------------------------
 
DIVIDENDS, DISTRIBUTIONS AND TAX MATTERS
 
DIVIDENDS AND DISTRIBUTIONS
 
  Each AIM Fund generally pays dividends and distributions as set forth below:
 
<TABLE>
<CAPTION>
                                                                                DISTRIBUTIONS           DISTRIBUTIONS
                                                                                    OF NET                 OF NET
                                              DIVIDENDS FROM                       REALIZED               REALIZED
                                              NET INVESTMENT                      SHORT-TERM              LONG-TERM
               FUND                               INCOME                        CAPITAL GAINS           CAPITAL GAINS
               ----                           --------------                    -------------           -------------
<S>                                  <C>                                <C>                             <C>
AIM BASIC VALUE FUND...............  declared and paid annually         annually                        annually
AIM DEVELOPING MARKETS FUND........  declared and paid annually         annually                        annually
AIM DOLLAR FUND....................  declared daily; paid monthly       annually                        annually
AIM EMERGING MARKETS FUND..........  declared and paid annually         annually                        annually
AIM EMERGING MARKETS DEBT FUND.....  declared and paid monthly          annually                        annually
AIM EUROPE GROWTH FUND.............  declared and paid annually         annually                        annually
AIM GLOBAL CONSUMER PRODUCTS AND
  SERVICES FUND....................  declared and paid annually         annually                        annually
AIM GLOBAL FINANCIAL SERVICES
  FUND.............................  declared and paid annually         annually                        annually
AIM GLOBAL GOVERNMENT INCOME
  FUND.............................  declared and paid monthly          annually                        annually
AIM GLOBAL GROWTH & INCOME FUND....  declared and paid quarterly        annually                        annually
AIM GLOBAL HEALTH CARE FUND........  declared and paid annually         annually                        annually
AIM GLOBAL INFRASTRUCTURE FUND.....  declared and paid annually         annually                        annually
AIM GLOBAL RESOURCES FUND..........  declared and paid annually         annually                        annually
AIM GLOBAL TELECOMMUNICATIONS
  FUND.............................  declared and paid annually         annually                        annually
AIM GLOBAL TRENDS FUND.............  declared and paid annually         annually                        annually
AIM INTERNATIONAL GROWTH FUND......  declared and paid annually         annually                        annually
AIM JAPAN GROWTH FUND..............  declared and paid annually         annually                        annually
AIM LATIN AMERICAN GROWTH FUND.....  declared and paid annually         annually                        annually
AIM MID CAP EQUITY FUND............  declared and paid annually         annually                        annually
AIM NEW PACIFIC GROWTH FUND........  declared and paid annually         annually                        annually
AIM SMALL CAP GROWTH FUND..........  declared and paid annually         annually                        annually
AIM STRATEGIC INCOME FUND..........  declared and paid monthly          annually                        annually
AIM WORLDWIDE GROWTH FUND..........  declared and paid annually         annually                        annually
</TABLE>
 
  In determining the amount of capital gains, if any, available for
distribution, net capital gains are offset against available net capital losses,
if any, carried forward from previous fiscal periods. Each Advisor Class Fund
may make additional distributions, if necessary, to avoid a non-deductible 4%
federal excise tax on certain undistributed income and capital gain (the "Excise
Tax").
 
  All dividends and distributions of an AIM Fund are automatically reinvested on
the payment date in full and fractional shares of such fund, unless the
shareholder has made an alternate election as to the method of payment.
Dividends and distributions attributable to Advisor Class shares of an Advisor
Class Fund are reinvested in additional Advisor Class shares of that fund,
absent an election by a shareholder to receive cash or to have such dividends
and distributions reinvested in Advisor Class shares of another Advisor Class
Fund, to the extent permitted. For funds that do not declare a dividend daily,
such dividends and distributions will be reinvested at the net asset value per
share determined on the ex-dividend date. For funds that declare a dividend
daily, such dividends and distributions will be reinvested at the net asset
value per share determined on the payable date. Shareholders may elect, by
written notice to the Transfer Agent, to receive such distributions, or only the
dividend portion thereof, in cash, or to invest such dividends and distributions
in Advisor Class shares of another Advisor Class Fund. Investors who have not
previously selected such a reinvestment option on the account application form
may contact the Transfer Agent at any time to obtain a form to authorize such
reinvestments in another Advisor Class Fund.
 
  Dividends on Advisor Class shares of an Advisor Class Fund are expected to be
higher than dividends on shares of other classes of that fund because of the
service and distribution fees paid by those other classes of shares. Dividends
on all shares may also be affected by other class-specific expenses.
 
  Changes in the form of dividend and distribution payments may be made by the
shareholder at any time by notice to the Transfer Agent and are effective as to
any subsequent payment if such notice is received by the Transfer Agent prior to
the record date of such payment. Any dividend and distribution election remains
in effect until the Transfer Agent receives a revised written election by the
shareholder.
 
  Any dividend or distribution paid by a fund which does not declare dividends
daily has the effect of reducing the net asset value per share on the
ex-dividend date by the amount of the dividend or distribution. Therefore, a
dividend or distribution declared shortly after a purchase of shares by an
investor would represent, in substance, a return of capital to the shareholder
with respect to such shares even though it would be subject to income taxes, as
discussed below.
 
                                       A-8
<PAGE>   22
 
TAX MATTERS
 
  Each AIM Fund has qualified and intends to continue to qualify for treatment
as a regulated investment company under Subchapter M of the Code. As long as a
fund qualifies for this tax treatment, it is not subject to federal income tax
on net investment income, net capital gains and net gains from foreign currency
transactions, if any, that are distributed to its shareholders. Each fund, for
all federal tax purposes (including determining taxable income, distribution
requirements and other requirements of Subchapter M), is treated as a separate
corporation. Therefore, no fund may offset its gains against another fund's
losses, and each fund must individually comply with all of the provisions of the
Code that are applicable to its operations.
 
  TAX TREATMENT OF DIVIDENDS AND DISTRIBUTIONS -- GENERAL. Because each AIM Fund
intends to distribute to its shareholders substantially all of its net
investment income, net realized capital gains and net gains from foreign
currency transactions, if any, it is not expected that any such fund will be
required to pay any federal income tax on amounts that it has distributed. Each
AIM Fund also intends to meet the distribution requirements of the Code to avoid
imposition of the Excise Tax. Nevertheless, shareholders normally are subject to
federal income tax, and any applicable state and local income taxes, on the
dividends and distributions received by them from a fund whether in the form of
cash or additional fund shares. With respect to tax-exempt shareholders,
dividends and distributions from the AIM Funds are not subject to federal income
taxation to the extent permitted under the applicable tax exemption.
 
  Dividends from an AIM Fund's net investment income, net short-term capital
gain and net gains from certain foreign currency transactions are taxable to its
shareholders as ordinary income to the extent of its earnings and profits.
Distributions of net capital gain (i.e., the excess of net long-term capital
gain over net short-term capital loss) are taxable as long-term capital gains,
regardless of the length of time the shareholder held his shares. Under the
Taxpayer Relief Act of 1997, different maximum tax rates apply to a
non-corporate 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 capital assets 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 capital assets held for more than 18 months. An AIM Fund may
divide each net capital gain distribution into a 28% rate gain distribution and
a 20% rate gain distribution (in accordance with its holding periods for the
securities it sold that generated the distributed gain), in which event its
shareholders must treat those portions accordingly; thus, the relevant holding
period is determined by how long the fund has held the securities on which the
gain was realized, not by how long a shareholder has held fund shares. Recent
legislation provides that a maximum tax rate of 20% (10% for taxpayers in the
15% marginal tax bracket) will apply to gain recognized after December 31, 1997
on capital assets held for more than one year.
 
  Dividends paid by a fund (but not other distributions) may qualify for the
federal 70% dividends received deduction for corporate shareholders to the
extent of the qualifying dividends received by the fund on domestic common or
preferred stock. It is not likely that dividends received from AIM Developing
Markets Fund, AIM Dollar Fund, AIM Emerging Markets Fund, AIM Europe Growth
Fund, AIM Global Government Income Fund, AIM Global High Income Fund, AIM Global
Trends Fund, AIM International Growth Fund, AIM Japan Growth Fund, AIM Latin
American Growth Fund, AIM New Pacific Growth Fund and AIM Strategic Income Fund
will qualify for this dividends received deduction.
 
  Shortly after the end of each year, shareholders will receive information
regarding the amount and federal income tax treatment of all dividends and
distributions paid during the year. The information regarding capital gain
distributions will designate the portions thereof subject to the different
maximum rates of tax applicable to non-corporate taxpayers' net capital gain
indicated above. Certain dividends and distributions declared in October,
November or December of a calendar year are taxable to shareholders as though
received on December 31 of that year if paid to them during January of the
following calendar year.
 
  For each redemption of a fund's shares by a non-exempt shareholder, the fund
or the securities dealer effecting the transaction is required to file an
information return with the IRS.
 
  TO AVOID BEING SUBJECT TO FEDERAL INCOME TAX WITHHOLDING AT THE RATE OF 31% ON
TAXABLE DIVIDENDS, DISTRIBUTIONS AND REDEMPTION PAYMENTS, INDIVIDUALS AND
CERTAIN OTHER NON-CORPORATE SHAREHOLDERS OF A FUND MUST FURNISH THE FUND WITH
THEIR TAXPAYER IDENTIFICATION NUMBER AND CERTIFY UNDER PENALTIES OF PERJURY THAT
THE NUMBER PROVIDED IS CORRECT AND THAT THEY ARE NOT SUBJECT TO BACKUP
WITHHOLDING FOR ANY REASON.
 
  Under the Code, nonresident alien individuals, foreign partnerships and
foreign corporations may be subject to federal income tax withholding at a 30%
rate on ordinary income dividends. Under applicable treaty law, residents of
treaty countries may qualify for a reduced rate of withholding or a withholding
exemption.
 
  DIVIDENDS AND DISTRIBUTIONS MAY BE SUBJECT TO TREATMENT UNDER FOREIGN, STATE
OR LOCAL TAX LAWS THAT DIFFERS FROM THE FEDERAL INCOME TAX CONSEQUENCES
DISCUSSED HEREIN. ADDITIONAL INFORMATION ABOUT TAXES IS SET FORTH IN THE
STATEMENTS OF ADDITIONAL INFORMATION. INVESTORS SHOULD CONSULT THEIR TAX
ADVISORS BEFORE INVESTING.
 
  AIM BASIC VALUE FUND, AIM DOLLAR FUND, AIM EMERGING MARKETS DEBT FUND, AIM
GLOBAL GOVERNMENT INCOME FUND, AIM GLOBAL GROWTH & INCOME FUND, AIM MID CAP
EQUITY FUND, AIM SMALL CAP GROWTH FUND AND AIM STRATEGIC INCOME FUND -- SPECIAL
TAX INFORMATION. Certain states exempt from income taxes dividends paid by
mutual funds attributable to interest on U.S. Treasury and certain other U.S.
government obligations. Investors should consult with their own tax advisors
concerning the availability of such exemption.
 
                                       A-9
<PAGE>   23
 
  AIM DEVELOPING MARKETS FUND, AIM EMERGING MARKETS FUND, AIM EUROPE GROWTH
FUND, AIM GLOBAL CONSUMER PRODUCTS AND SERVICES FUND, AIM GLOBAL FINANCIAL
SERVICES FUND, AIM GLOBAL GROWTH & INCOME FUND, AIM GLOBAL HEALTH CARE FUND, AIM
GLOBAL INFRASTRUCTURE FUND, AIM GLOBAL RESOURCES FUND, AIM GLOBAL
TELECOMMUNICATIONS FUND, AIM INTERNATIONAL GROWTH FUND, AIM JAPAN GROWTH FUND,
AIM LATIN AMERICAN GROWTH FUND, AIM NEW PACIFIC GROWTH FUND AND AIM WORLDWIDE
GROWTH FUND -- SPECIAL TAX INFORMATION. For taxable years in which it is
eligible to do so, each of these funds may elect to pass through to its
shareholders credits for foreign taxes paid. If a fund makes such an election, a
shareholder who receives a distribution (1) will be required to include in gross
income his proportionate share of foreign taxes allocable to the distribution
and (2) may claim a credit or deduction for such share for his taxable year in
which the distribution is received, subject to the general limitations imposed
on the allowance of foreign tax credits and deductions. Shareholders should also
note that certain gains or losses attributable to fluctuations in exchange rates
or foreign currency forward contracts may increase or decrease the amount of
income of the fund available for distribution to shareholders and should note
that if, for any fund, such losses exceed other income during a taxable year,
the fund would not be able to pay ordinary income dividends for that year.
 
- --------------------------------------------------------------------------------
 
GENERAL INFORMATION
 
  CUSTODIAN AND TRANSFER AGENT. State Street Bank and Trust Company, 225
Franklin Street, Boston, Massachusetts 02110, serves as custodian for the
portfolio securities and cash of the Advisor Class Funds. Chase Bank of Texas,
N.A., P.O. Box 2558, Houston, Texas 77252-8084, serves as Sub-Custodian for
retail purchases of the AIM Funds.
 
  A I M Fund Services, Inc., P.O. Box 4739, Houston, Texas 77210-4739, a wholly
owned subsidiary of AIM, serves as each Advisor Class Fund's transfer agent and
dividend payment agent.
 
  SHAREHOLDER INQUIRIES. Shareholder inquiries concerning their accounts should
be directed to an A I M Fund Services, Inc. Client Services Representative by
calling (800) 959-4246. The Transfer Agent may impose certain copying charges
for requests for copies of shareholder account statements and other historical
account information older than the current year and the immediately preceding
year.
 
  YEAR 2000 COMPLIANCE PROJECT. In providing services to the AIM Funds, AIM
Management and its subsidiaries rely on both internal software systems as well
as external software systems provided by third parties. Many software systems in
use today are unable to distinguish the year 2000 from the year 1900. This
defect if not cured will likely adversely affect the services that AIM
Management, its subsidiaries and other service providers to the AIM Funds
provide the AIM Funds and their shareholders.
 
  To address this issue, AIM Management and its subsidiaries, together with
independent technology consultants, are undertaking a comprehensive Year 2000
Compliance Project (the "Project"). The Project consists of three phases, namely
(i) inventorying every software application in use at AIM Management and its
subsidiaries, as well as remote, third party software systems on which AIM
Management and its subsidiaries rely, (ii) identifying those applications that
may not function properly after December 31, 1999, and (iii) correcting and
subsequently testing those applications that may not function properly after
December 31, 1999. Phases (i) and (ii) are complete and Phase (iii) has
commenced. The Project is scheduled to be completed during the second quarter of
1999. Software applications acquired by AIM Management and its subsidiaries
after completion of the Project will be reviewed to confirm year 2000 compliance
upon installation. No assurance can be given that the Project will be successful
or that the AIM Funds will not otherwise be adversely affected by the year 2000
issue.
 
  OTHER INFORMATION. This Prospectus sets forth basic information that investors
should know about the fund(s) named on the cover page prior to investing.
Recipients of this Prospectus will be provided with a copy of the annual report
of the fund(s) to which this Prospectus relates, upon request and without
charge. If several members of a household own shares of the same fund, only one
annual or semi-annual report will be mailed to that address. To receive
additional copies, please call (800) 347-4246, or write to A I M Distributors,
Inc., P.O. Box 4739, Houston, Texas 77210-4739. A Statement of Additional
Information has been filed with the SEC and is available upon request and
without charge, by writing or calling AIM Distributors. The SEC maintains a Web
site at http://www.sec.gov that contains the Statement of Additional
Information, material incorporated by reference, and other information regarding
the Fund. This Prospectus omits certain information contained in the
registration statement filed with the SEC. Copies of the registration statement,
including items omitted from this Prospectus, may be obtained from the SEC by
paying the charges prescribed under its rules and regulations.
 
                                      A-10
<PAGE>   24
 
                                                                        APPENDIX
- --------------------------------------------------------------------------------
 
  The chart below shows the allocation of the 38 industries comprising the MSCI
to the Underlying Theme Funds as of April 30, 1998.
 
<TABLE>
<CAPTION>
                                  CONSUMER
                                PRODUCTS AND   FINANCIAL   HEALTH                                 TELECOM-
MSCI AC WORLD INDEX INDUSTRY      SERVICES     SERVICES     CARE    INFRASTRUCTURE   RESOURCES   MUNICATIONS
- ----------------------------    ------------   ---------   ------   --------------   ---------   -----------
<S>                             <C>            <C>         <C>      <C>              <C>         <C>
Aerospace and Military
  Technology..................                                            X
Appliances & Household
  Durables....................       X
Automobiles...................       X
Banking.......................                     X
Beverages & Tobacco...........       X
Broadcasting & Publishing.....       X
Building Materials &
  Components..................                                                           X
Business & Public Services....       X
Chemicals.....................                                                                        X
Construction & Housing........                                                           X
Data Processing &
  Reproduction................       X
Electrical Components,
  Instruments.................
Electrical & Electronics......                                                           X
Energy Equipment & Service....                                                                        X
Energy Sources................                                                                        X
Financial Services............                     X
Food & Household Products.....       X
Forest Products & Paper.......                                                                        X
Gold Mines....................                                                                        X
Health & Personal Care........                               X
Industrial Components.........                                                           X
Insurance.....................                     X
Leisure & Tourism.............       X
Machinery & Engineering.......                                                           X
Merchandising.................       X
Metals -- Non Ferrous.........                                                                        X
Metals -- Steel...............                                                           X
Misc. Materials &
  Commodities.................                                                                        X
Multi-Industry................       X
Real Estate...................                     X
Recreation, Consumer Goods....       X
Telecommunications............                                                           X
Textiles & Apparel............       X
Transportation -- Airlines....                                                           X
Transportation -- Road &
  Rail........................                                                           X
Transportation -- Shipping....                                                           X
Utilities Electrical & Gas....                                                           X
Wholesale & International
  Trade.......................       X
</TABLE>
 
                                      A-11
<PAGE>   25
 
                            APPLICATION INSTRUCTIONS
 
  SOCIAL SECURITY OR TAXPAYER ID NUMBER. Investors should make sure that the
social security number or taxpayer identification number (TIN) which appears in
Section 1 of the Application complies with the following guidelines:
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                           <C>                              <C>                           <C>
</TABLE>
 
<TABLE>
<CAPTION>
                                   Give Social Security                                           GIVE TAXPAYER I.D.
        ACCOUNT TYPE                    NUMBER OF:                     ACCOUNT TYPE                   NUMBER OF:
<S>                           <C>                              <C>                           <C>
      Individual              Individual                       Trust, Estate, Pension        Trust, Estate, Pension
                                                               Plan Trust                    Plan Trust and not
                                                                                             personal TIN of fiduciary
      Joint Individual        First individual listed in the
                              "Account Registration" portion
                              of the Application
      Unif. Gifts to          Minor                            Corporation, Partnership,     Corporation, Partnership,
      Minors/Unif.                                             Other Organization            Other Organization
      Transfers to Minors
      Legal Guardian          Ward, Minor or
                              Incompetent
      Sole Proprietor         Owner of Business                Broker/Nominee                Broker/Nominee
</TABLE>
 
- --------------------------------------------------------------------------------
 
  Applications without a certified TIN will not be accepted unless the applicant
is a nonresident alien, foreign corporation or foreign partnership and has
attached a completed IRS Form W-8.
 
  BACKUP WITHHOLDING. Each AIM Fund, and other payers, must, according to IRS
regulations, withhold 31% of redemption payments and reportable dividends
(whether paid or accrued) in the case of any shareholder who fails to provide
the Fund with a TIN and a certification that he is not subject to backup
withholding.
 
  An investor is subject to backup withholding if:
 
  (1) the investor fails to furnish a correct TIN to the Fund, or
 
  (2) the IRS notifies the Fund that the investor furnished an incorrect TIN, or
 
  (3) the investor is notified by the IRS that the investor is subject to backup
      withholding because the investor failed to report all of the interest and
      dividends on such investor's tax return (for reportable interest and
      dividends only), or
 
  (4) the investor fails to certify to the Fund that the investor is not subject
      to backup withholding under (3) above (for reportable interest and
      dividend accounts opened after 1983 only), or
 
  (5) the investor does not certify his TIN. This applies only to reportable
      interest, dividend, broker or barter exchange accounts opened after 1983,
      or broker accounts considered inactive during 1983.
 
  Except as explained in (5) above, other reportable payments are subject to
backup withholding only if (1) or (2) above applies.
 
  Certain payees and payments are exempt from backup withholding and information
reporting and such entities should check the box "Exempt from Backup
Withholding" on the Application. A complete listing of such exempt entities
appears in the Instructions for the Requester of Form W-9 (which can be obtained
from the IRS) and includes, among others, the following:
 
- - a corporation
- - an organization exempt from tax under Section 501(a), an individual retirement
  plan (IRA), or a custodial account under Section 403(b)(7)
- - the United States or any of its agencies or instrumentalities
- - a state, the District of Columbia, a possession of the United States, or any
  of their political subdivisions or instrumentalities
- - a foreign government or any of its political subdivisions, agencies or
  instrumentalities
- - an international organization or any of its agencies or instrumentalities
- - a foreign central bank of issue
- - a dealer in securities or commodities required to register in the U.S. or a
  possession of the U.S.
- - a futures commission merchant registered with the Commodity Futures Trading
  Commission
- - a real estate investment trust
- - an entity registered at all times during the tax year under the Investment
  Company Act of 1940
- - a common trust fund operated by a bank under Section 584(a)
- - a financial institution
- - a middleman known in the investment community as a nominee or listed in the
  most recent publication of the American Society of Corporate Secretaries,
  Inc., Nominee List
- - a trust exempt from tax under Section 664 or described in Section 4947
 
  Investors should contact the IRS if they have any questions concerning
entitlement to an exemption from backup withholding.
NOTE: Section references are to sections of the Code.
 
  IRS PENALTIES -- Investors who do not supply the AIM Funds with a correct TIN
will be subject to a $50 penalty imposed by the IRS unless such failure is due
to reasonable cause and not willful neglect. If an investor falsifies
information on this form or makes any other false statement resulting in no
backup withholding on an account which should be subject to backup withholding,
such investor may be subject to a $500 penalty imposed by the IRS and to certain
criminal penalties including fines and/or imprisonment.
 
                                                                       MCF-07/98
                                       B-1
<PAGE>   26
 
  NONRESIDENT ALIENS -- Nonresident alien individuals and foreign entities are
not subject to the backup withholding previously discussed, but must certify
their foreign status by attaching IRS Form W-8 to their application. Form W-8
remains in effect for three calendar years beginning with the calendar year in
which it is received by the Fund. Such shareholders may, however, be subject to
appropriate withholding as described in the Prospectus under "Dividends,
Distributions and Tax Matters."
 
  SPECIAL INFORMATION REGARDING TELEPHONE EXCHANGE PRIVILEGE. By signing the new
Account Application form, an investor appoints the Transfer Agent as his true
and lawful attorney-in-fact to surrender for redemption any and all unissued
shares held by the Transfer Agent in the designated account(s), or in any other
account with any of the AIM Funds, present or future, which has the identical
registration as the designated account(s), with full power of substitution in
the premises. The Transfer Agent and AIM Distributors are thereby authorized and
directed to accept and act upon any telephone redemptions of shares held in any
of the account(s) listed, from any person who requests the redemption proceeds
to be applied to purchase shares in any one or more of the AIM Funds, provided
that such fund is available for sale and provided that the registration and
mailing address of the shares to be purchased are identical to the registration
of the shares being redeemed. An investor acknowledges by signing the form that
he understands and agrees that the Transfer Agent and AIM Distributors may not
be liable for any loss, expense or cost arising out of any telephone exchange
requests effected in accordance with the authorization set forth in these
instructions if they reasonably believe such request to be genuine, but may in
certain cases be liable for losses due to unauthorized or fraudulent
transactions. Procedures for verification of telephone transactions may include
recordings of telephone transactions (maintained for six months), requests for
confirmation of the shareholder's Social Security Number and current address,
and mailings of confirmations promptly after the transaction. The Transfer Agent
reserves the right to cease to act as attorney-in-fact subject to this
appointment, and AIM Distributors reserves the right to modify or terminate the
telephone exchange privilege at any time without notice. An investor may elect
not to have this privilege by marking the appropriate box on the application.
Then any exchanges must be effected in writing by the investor (see the
applicable Fund's prospectus under the caption "Exchange Privilege -- Exchanges
by Mail").
 
  SPECIAL INFORMATION REGARDING TELEPHONE REDEMPTION PRIVILEGE. By signing the
new Account Application form, an investor appoints the Transfer Agent as his
true and lawful attorney-in-fact to surrender for redemption any and all
unissued shares held by the Transfer Agent in the designated account(s), present
or future, with full power of substitution in the premises. The Transfer Agent
and AIM Distributors are thereby authorized and directed to accept and act upon
any telephone redemptions of shares held in any of the account(s) listed, from
any person who requests the redemption. An investor acknowledges by signing the
form that he understands and agrees that the Transfer Agent and AIM Distributors
may not be liable for any loss, expense or cost arising out of any telephone
redemption requests effected in accordance with the authorization set forth in
these instructions if they reasonably believe such request to be genuine, but
may in certain cases be liable for losses due to unauthorized or fraudulent
transactions. Procedures for verification of telephone transactions may include
recordings of telephone transactions (maintained for six months), requests for
confirmation of the shareholder's Social Security Number and current address,
and mailings of confirmations promptly after the transactions. The Transfer
Agent reserves the right to cease to act as attorney-in-fact subject to this
appointment, and AIM Distributors reserves the right to modify or terminate the
telephone redemption privilege at any time without notice. An investor may elect
not to have this privilege by marking the appropriate box on the application.
Then any redemptions must be effected in writing by the investor (see the
applicable Fund's prospectus under the caption "How to Redeem
Shares -- Redemptions by Mail").
 
                                                                       MCF-07/98
                                       B-2
<PAGE>   27
 
[AIM LOGO APPEARS HERE]         THE AIM FAMILY OF FUNDS--Registered Trademark--
 
Investment Manager
A I M Advisors, Inc.
11 Greenway Plaza, Suite 100
Houston, TX 77046-1173
 
Sub-Advisor
INVESCO (NY), Inc.
50 California Street, 27th Floor
San Francisco, CA 94111
 
Principal Underwriter
A I M Distributors, Inc.
P.O. Box 4739
Houston, TX 77210-4739
 
Transfer Agent
A I M Fund Services, Inc.
P.O. Box 4739
Houston, TX 77210-4739
 
Custodian
State Street Bank and Trust Company
225 Franklin Street
Boston, MA 02110
 
Independent Accountants
PricewaterhouseCoopers LLP
One Post Office Square
Boston, MA 02109
 
For more complete information about any other fund in The AIM Family of
Funds--Registered Trademark--, including charges and expenses, please call (800)
347-4246 or write to A I M Distributors, Inc. and request a free prospectus.
Please read the prospectus carefully before you invest or send money.
 
NDM-PRO-2
<PAGE>   28
 
                                                                    STATEMENT OF
                                                          ADDITIONAL INFORMATION
 
                            ADVISOR CLASS SHARES OF
 
                             AIM GLOBAL TRENDS FUND
 
                             (A SERIES PORTFOLIO OF
                               AIM SERIES TRUST)
 
                               11 GREENWAY PLAZA
                                   SUITE 100
                           HOUSTON, TEXAS 77046-1173
                                 (713) 626-1919
 
                             ---------------------
 
        THIS STATEMENT OF ADDITIONAL INFORMATION IS NOT A PROSPECTUS AND
           IT SHOULD BE READ IN CONJUNCTION WITH A PROSPECTUS OF THE
             ABOVE-NAMED FUND, A COPY OF WHICH MAY BE OBTAINED FREE
                OF CHARGE FROM AUTHORIZED DEALERS OR BY WRITING
                           A I M DISTRIBUTORS, INC.,
                    P.O. BOX 4739, HOUSTON, TEXAS 77210-4739
                          OR BY CALLING (800) 347-4246
 
                             ---------------------
 
          STATEMENT OF ADDITIONAL INFORMATION DATED SEPTEMBER 8, 1998
                 RELATING TO PROSPECTUS DATED SEPTEMBER 8, 1998
<PAGE>   29
 
                               TABLE OF CONTENTS
 
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INTRODUCTION................................................       4
 
GENERAL INFORMATION ABOUT THE TRUST.........................       4
  The Trust and Its Shares..................................       4
 
INVESTMENT OBJECTIVE AND POLICIES...........................       5
  Investment Policies of the Fund...........................       5
  Investment Policies of the Underlying Theme Funds.........       5
 
OPTIONS, FUTURES AND CURRENCY STRATEGIES....................       9
  Special Risks of Options, Futures and Currency
     Strategies.............................................       9
  Writing Call Options......................................      10
  Writing Put Options.......................................      11
  Purchasing Put Options....................................      11
  Purchasing Call Options...................................      12
  Index Options.............................................      13
  Interest Rate, Currency and Stock Index Futures
     Contracts..............................................      14
  Options on Futures Contracts..............................      16
  Limitations on Use of Futures, Options on Futures and
     Certain Options on Currencies..........................      16
  Forward Contracts.........................................      16
  Foreign Currency Strategies -- Special Considerations.....      17
  Cover.....................................................      18
 
RISK FACTORS OF THE UNDERLYING THEME PORTFOLIOS.............      18
  Debt Securities...........................................      18
  Illiquid Securities.......................................      19
  Foreign Securities........................................      20
 
INVESTMENT LIMITATIONS......................................      24
  Investment Limitations of the Fund........................      24
  Investment Limitations of Underlying Theme Funds and
     Portfolios.............................................      25
 
EXECUTION OF PORTFOLIO TRANSACTIONS.........................      29
 
MANAGEMENT..................................................      30
  Trustees and Executive Officers...........................      30
  Management Services Relating to the Fund..................      32
  Distribution Services Relating to the Fund................      32
 
NET ASSET VALUE DETERMINATION...............................      33
 
HOW TO PURCHASE AND REDEEM SHARES...........................      33
 
PROGRAMS AND SERVICES FOR SHAREHOLDERS......................      33
 
DIVIDEND ORDER..............................................      33
 
TAXES.......................................................      34
  Taxation of the Fund......................................      34
  Taxation of the Fund's Shareholders.......................      34
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<PAGE>   30
 
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MISCELLANEOUS INFORMATION...................................      35
  Custodian.................................................      35
  Transfer Agency and Accounting Agency Services............      35
  Independent Accountants...................................      35
  Shareholder Liability.....................................      35
  Name......................................................      35
  Special Servicing Agreement...............................      35
  Control Persons and Principal Holders of Securities.......      36
 
INVESTMENT RESULTS..........................................      36
  Total Return Quotations...................................      36
  Performance Information...................................      37
  General Information About Underlying Theme Portfolios.....      38
 
APPENDIX....................................................      42
  Description of Commercial Paper Ratings...................      42
  Description of Bond Ratings...............................      43
  Absence of Ratings........................................      43
 
FINANCIAL STATEMENTS........................................      FS
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                                        3
<PAGE>   31
 
                                  INTRODUCTION
 
  This Statement of Additional Information relates to the Advisor Class shares
of AIM Global Trends Fund, formerly known as GT New Dimension Fund, (the
"Fund"). The Fund is a diversified series of AIM Series Trust (the "Trust"), an
open-end management investment company organized as a Delaware business trust.
The Fund seeks its investment objective by investing substantially all of its
assets in shares of the AIM Global Theme Funds: AIM Global Consumer Products and
Services Fund; AIM Global Financial Services Fund; AIM Global Health Care Fund;
AIM Global Infrastructure Fund; AIM Global Resources Fund; and AIM Global
Telecommunications Fund (collectively, the "Underlying Theme Funds"). A I M
Advisors, Inc. ("AIM") serves as the investment manager of and administrator for
the Fund. INVESCO (NY), Inc. (the "Sub-advisor") serves as the sub-advisor of
and sub-administrator for the Fund.
 
  The Trust is a series mutual fund. The rules and regulations of the Securities
and Exchange Commission (the "SEC") require all mutual funds to furnish
prospective investors certain information concerning the activities of a fund
being considered for investment. This information is included in a Prospectus
(the "Prospectus"), dated September 8, 1998, which relates to the Advisor Class
shares of the Fund. Copies of the Prospectus and additional copies of this
Statement of Additional Information may be obtained without charge by writing
the principal distributor of the Fund's shares, A I M Distributors, Inc. ("AIM
Distributors"), P.O. Box 4739, Houston, Texas 77210-4739, or by calling (800)
347-4246. Investors must receive a Prospectus before they invest in the Fund.
 
  This Statement of Additional Information is intended to furnish prospective
investors with additional information concerning the Fund. Some of the
information required to be in this Statement of Additional Information is also
included in the Fund's current Prospectus, and in order to avoid repetition,
reference will be made herein to sections of the Prospectus. Additionally, the
Prospectus and this Statement of Additional Information omit certain information
contained in the Trust's Registration Statement filed with the SEC. Copies of
the Registration Statement, including items omitted from the Prospectus and this
Statement of Additional Information, may be obtained from the SEC by paying the
charges prescribed under its rules and regulations.
 
                      GENERAL INFORMATION ABOUT THE TRUST
 
THE TRUST AND ITS SHARES
 
  The Trust was previously organized as a Massachusetts business trust named "GT
Global Series Trust," which was established on August 26, 1996 and which had one
series named "GT Global New Dimension Fund." On May 29, 1998, the Trust was
reorganized into a Delaware business trust, which was initially established on
May 7, 1998. The Trust currently consists of one series, the Fund. The Fund
currently offers four different classes of shares: Class A shares, Class B
shares, Class C shares and Advisor Class shares. From time to time the Board of
Trustees of the Trust may create new series of shares without the necessity of a
vote of the shareholders of the Trust. All historical financial and other
information contained in this Statement of Additional Information for periods
prior to May 29, 1998 relating to the Fund is that of GT Global New Dimension
Fund.
 
  This Statement of Additional Information relates solely to the Advisor Class
shares of the Fund.
 
  The term "majority of the outstanding shares" of the Trust, of the Fund or of
a particular class of the Fund means, respectively, the vote of the lesser of
(a) 67% or more of the shares of the Trust, Fund or such class present at a
meeting of the Trust's shareholders, if the holders of more than 50% of the
outstanding shares of the Trust, the Fund or such class are present or
represented by proxy, or (b) more than 50% of the outstanding shares of the
Trust, the Fund or such class.
 
  Class A, Class B, Class C and Advisor Class shares of the Fund have equal
rights and privileges. Each share of a particular class is entitled to one vote,
to participate equally in dividends and distributions declared by the Trust's
Board of Trustees with respect to the class of the Fund and, upon liquidation of
the Fund, to participate proportionately in the net assets of the Fund allocable
to such class remaining after satisfaction of outstanding liabilities of the
Fund allocable to such class. Fund shares are fully paid, non-assessable and
fully transferable when issued and have no preemptive rights and have such
conversion and exchange rights as set forth in the Prospectus and this Statement
of Additional Information. Fractional shares have proportionately the same
rights, including voting rights, as are provided for a full share.
 
  Shareholders of the Fund do not have cumulative voting rights, and therefore
the holders of more than 50% of the outstanding shares of the Fund voting
together for election of trustees may elect all of the members of the Board of
Trustees of the Trust. In such event, the remaining holders cannot elect any
trustees of the Trust.
 
                                        4
<PAGE>   32
 
                       INVESTMENT OBJECTIVE AND POLICIES
 
INVESTMENT POLICIES OF THE FUND
 
  The following supplements the information contained in the Prospectus
concerning the investment policies of the Fund.
 
  U.S. GOVERNMENT SECURITIES. The Fund may invest in various direct obligations
of the U.S. Treasury and obligations issued or guaranteed by the U.S. government
or one of its agencies or instrumentalities (collectively, "U.S. government
securities"). Among the U.S. government securities that may be held by the Fund
are securities that are supported by the full faith and credit of the United
States; securities that are supported by the right of the issuer to borrow from
the U.S. Treasury; and securities that are supported solely by the credit of the
instrumentality.
 
  REPURCHASE AGREEMENTS. The Fund may invest in repurchase agreements. A
repurchase agreement is a transaction in which the Fund purchases securities
from a bank or recognized securities dealer and simultaneously commits to resell
the securities to the bank or dealer on an agreed-upon date or upon demand and
at a price reflecting a market rate of interest unrelated to the coupon rate or
maturity of the purchased securities. The Fund maintains custody of the
underlying securities prior to their repurchase; thus, the obligation of the
bank or dealer to pay the repurchase price on the date agreed to is, in effect,
secured by such securities. If the value of these securities is less than the
repurchase price, plus any agreed-upon additional amount, the other party to the
agreement must provide additional collateral so that at all times the collateral
is at least equal to the repurchase price, plus any agreed-upon additional
amount. The difference between the total amount to be received upon repurchase
of the securities and the price that was paid by the Fund upon acquisition is
accrued as interest and included in its net investment income. Repurchase
agreements carry certain risks not associated with direct investments in
securities, including possible declines in the market value of the underlying
securities and delays and costs to the Fund if the other party to a repurchase
agreement becomes insolvent.
 
INVESTMENT POLICIES OF THE UNDERLYING THEME FUNDS
 
  The following supplements the information contained in the Prospectus
concerning the investment policies and limitations of the Underlying Theme
Funds. More information about the investment policies and restrictions and the
investment limitations of each Underlying Theme Fund is set forth in the
Underlying Theme Funds' Prospectus and Statement of Additional Information.
 
  The Underlying Theme Funds are diversified series of AIM Investment Funds (the
"Underlying Trust"), a registered open-end management investment company. The
AIM Global Consumer Products and Services Fund ("Consumer Products and Services
Fund"), AIM Global Financial Services Fund ("Financial Services Fund"), AIM
Global Infrastructure Fund ("Infrastructure Fund"), and AIM Global Resources
Fund ("Resources Fund") (each, a "Feeder Fund," and, collectively, the "Feeder
Funds") each invests all of its assets in the Global Consumer Products and
Services Portfolio, Global Financial Services Portfolio, Global Infrastructure
Portfolio and Global Resources Portfolio (each, a "Portfolio," and,
collectively, the "Portfolios"), respectively.
 
  Each Portfolio 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 Underlying Theme Fund. Whenever the
phrase "all of the Underlying Theme Fund's investable assets" is used herein, 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 Underlying Trust's
Board of Trustees determines that it is in the best interests of the Feeder 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 Underlying Theme Funds'
Prospectus.
 
  The investment objective of each Feeder Fund is long-term capital growth. The
investment objectives of the AIM Global Health Care Fund ("Health Care Fund")
and the AIM Global Telecommunications Fund ("Telecommunications Fund") are
long-term capital appreciation and long-term capital growth, respectively. The
Portfolios and the Health Care Fund and the Telecommunications Fund, together,
are referred to herein as the "Underlying Theme Portfolios."
 
  SELECTION OF EQUITY INVESTMENTS. With respect to the Global Resources
Portfolio, the Sub-advisor 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.
 
                                        5
<PAGE>   33
 
  With respect to the Telecommunications Fund, the Sub-advisor 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-advisor, prevailing market,
economic or political conditions warrant reducing the proportion of the
Underlying 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 United States, or a foreign
government. A portion of each Underlying 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 Underlying Theme Fund shares,
to provide for ongoing expenses and to satisfy redemptions.
 
  For each Underlying 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-advisor'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-advisor 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 an Underlying 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-advisor is not aware at this time of the existence of any investment or
exchange control regulations which might substantially impair the operations of
the Underlying Theme Portfolios as described in the Underlying Theme Funds'
Prospectus and Statement of Additional Information. Restrictions may in the
future, however, make it undesirable to invest in certain countries. None of the
Underlying Theme Portfolios has a present intention of making any significant
investment in any country or stock market in which the Sub-advisor considers the
political or economic situation to threaten an Underlying Theme Portfolio with
substantial or total loss of its investment in such country or market.
 
  INVESTMENTS IN OTHER INVESTMENT COMPANIES. Each Underlying Theme Portfolio may
invest in the securities of investment companies within the limitations of the
Investment Company Act of 1940, as amended (the "1940 Act"). These limitations
currently provide that, in general, an Underlying Theme Portfolio may purchase
shares of an investment company unless (a) such a purchase would cause an
Underlying 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 Underlying 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 Feeder Funds 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 Underlying Theme Portfolio does not intend to invest in such investment
companies unless, in the judgment of the Sub-advisor, 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.
 
  DEPOSITARY RECEIPTS. An Underlying Theme Portfolio may hold securities of
foreign issuers in the form of American Depositary Receipts ("ADRs"), American
Depositary Shares ("ADSs") and European Depositary 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 Depositary Receipts ("CDRs"), are issued in Europe typically
by foreign banks and trust companies and evidence ownership of either foreign or
domestic securities. 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 Underlying Theme
Portfolio's investment policies, an Underlying Theme Portfolio's investments in
ADRs, ADSs and EDRs will be deemed to be investments in the equity securities
representing securities of foreign issuers into which they may be converted.
 
                                        6
<PAGE>   34
 
  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
Underlying Theme Portfolios may invest in both sponsored and unsponsored ADRs.
 
  WARRANTS OR RIGHTS. Warrants or rights may be acquired by an Underlying Theme
Portfolio in connection with other securities or separately and provide the
Underlying Theme Portfolio 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 UNDERLYING THEME PORTFOLIO SECURITIES. For the purpose of realizing
additional income, each Underlying 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 Underlying Theme Portfolios
may pay reasonable administrative and custodial fees in connection with the loan
of their securities. While the securities loan is outstanding, an Underlying
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. An Underlying Theme
Portfolio will have a right to call each loan and obtain the securities within
the stated settlement period. An Underlying 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-advisor to be of good standing and will not be made unless, in
the judgment of the Sub-advisor, the consideration to be earned from such loans
would justify the risk. 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.
 
  COMMERCIAL BANK OBLIGATIONS. For the purposes of each Underlying 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 Underlying Theme Portfolio to investment risks that are different
in some respects from those of investments in obligations of U.S. issuers.
Although each Underlying 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 Underlying 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 an
Underlying Theme Portfolio purchases securities from a bank or recognized
securities dealer and simultaneously commits to resell the securities to the
bank or dealer on an agreed-upon date or upon demand and at a price reflecting a
market rate of interest unrelated to the coupon rate or maturity of the
purchased securities. Although repurchase agreements carry certain risks not
associated
 
                                        7
<PAGE>   35
 
with direct investments in securities, including possible decline in the market
value of the underlying securities and delays and costs to the Underlying Theme
Portfolio if the other party to the repurchase agreement becomes bankrupt, the
Underlying Theme Portfolios intend to enter into repurchase agreements only with
banks and dealers believed by the Sub-advisor to present minimal credit risks in
accordance with guidelines established by the Underlying Trust's or Global
Investment Portfolio's Board of Trustees (each a "Board" and, collectively, the
"Boards"), as applicable. The Sub-advisor will review and monitor the
creditworthiness of such institutions under the applicable Board's general
supervision.
 
  Each Underlying 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, an Underlying Theme Portfolio would suffer a loss. If the
financial institution that is party to the repurchase agreement petitions for
bankruptcy or otherwise becomes subject to bankruptcy or other liquidation
proceedings, there may be restrictions on an Underlying Theme Portfolio's
ability to sell the collateral and it could suffer a loss. However, with respect
to financial institutions whose bankruptcy or liquidation proceedings are
subject to the U.S. Bankruptcy Code, each Underlying Theme Portfolio intends to
comply with provisions under such code that would allow the immediate resale of
such collateral. Each Underlying 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 the 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
Underlying Theme Portfolio's borrowings will not exceed 33 1/3% of its total
assets, i.e., the Underlying 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 an Underlying Theme Portfolio's securities holdings
or other factors cause the ratio of its total assets to outstanding borrowings
to fall below 300%, within three days (excluding Sundays and holidays) of such
event that Underlying 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 Underlying 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 an Underlying Theme Portfolio
may cause greater fluctuation in the value of its shares than would be the case
if it did not borrow.
 
  Each Underlying Theme Portfolio's fundamental investment limitations permit it
to borrow money for leveraging purposes. However, each Underlying 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
applicable Board. If an Underlying 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 a Feeder Fund or an Underlying Theme
Portfolio. When the income and gains on securities purchased with the proceeds
of borrowings exceed the costs of such borrowings, an Underlying Theme
Portfolio's earnings or a Feeder 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, an Underlying Theme Portfolio's earnings or a Feeder Fund's
net asset value would decline faster than would otherwise be the case.
 
  Each Underlying Theme Portfolio may enter into reverse repurchase agreements.
A reverse repurchase agreement is a borrowing transaction in which the
Underlying Theme Portfolio transfers possession of securities to another party,
such as a bank or broker/dealer, in return for cash, and agrees to repurchase
the securities in the future at an agreed upon price, which includes an interest
component. Each Underlying 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
Underlying Theme Portfolio may receive a fee) to purchase similar, but not
identical, securities at a future date. Each Underlying Theme Portfolio will
segregate 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 Underlying Theme Portfolio may make short sales of
securities. A short sale is a transaction in which an Underlying Theme Portfolio
sells a security in anticipation that the market price of that security will
decline. An Underlying 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 an Underlying 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
Underlying 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.
 
                                        8
<PAGE>   36
 
  An Underlying 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 Underlying 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 it on such security, an Underlying
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 an Underlying Theme Portfolio replaces the borrowed
security, it will incur a loss; conversely, if the price declines, the
Underlying Theme Portfolio will realize a gain. Any gain will be decreased, and
any loss increased, by the transaction costs associated with the transaction.
Although an Underlying Theme Portfolio's gain is limited by the price at which
it sold the security short, its potential loss theoretically is unlimited.
 
  No Underlying Theme Portfolio will make a short sale if, after giving effect
to the sale, the market value of the securities sold short exceeds 25% of the
value of its total assets or its aggregate short sales of the securities of any
one issuer exceed the lesser of 2% of its net assets or 2% of the securities of
any class of the issuer. Moreover, an Underlying Theme Portfolio may engage in
short sales only with respect to securities listed on a national securities
exchange.
 
                    OPTIONS, FUTURES AND CURRENCY STRATEGIES
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
 
  The use by the Underlying Theme Portfolios 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-advisor'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-advisor 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 an
     Underlying Theme Portfolio entered into a short hedge because the
     Sub-advisor projected a decline in the price of a security in the
     Underlying 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 Underlying Theme Portfolio could suffer a
     loss. In either such case, the Underlying Theme Portfolio would have been
     in a better position had it not hedged at all.
 
          (4) As described below, an Underlying 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 Underlying 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 Underlying 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 Underlying
     Theme Portfolio sell a portfolio security at a disadvantageous time. The
     Underlying 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
 
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<PAGE>   37
 
     is no assurance that any position can be closed out at a time and price
     that is favorable to the Underlying Theme Portfolio.
 
WRITING CALL OPTIONS
 
  Each Underlying 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-advisor, are not expected to make any
major price moves in the near future but that, over the long term, deemed to be
attractive investments for the Underlying 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.
 
  Portfolio securities or currencies on which call options may be written will
be purchased solely on the basis of investment considerations consistent with
each Underlying Theme Portfolio's investment objective. When writing a call
option, an Underlying 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, an Underlying 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 an Underlying Theme Portfolio has
written expires, it 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 Underlying 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. The Underlying Theme Portfolios do not consider a security or
currency covered by a call option to be "pledged" as that term is used in their
policies that limit the pledging or mortgaging of their 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 an Underlying Theme Portfolio
will be obligated to sell the security or currency at less than its market
value.
 
  The premium that an Underlying Theme Portfolio receives for writing a call
option is deemed to constitute the market value of an option. The premium the
Underlying 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-advisor
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 an Underlying 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 Underlying 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, an Underlying 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.
 
  An Underlying 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 an Underlying
Theme Portfolio.
                                       10
<PAGE>   38
 
WRITING PUT OPTIONS
 
  Each Underlying 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.
 
  An Underlying Theme Portfolio generally would write put options in
circumstances where the Sub-advisor wishes to purchase the underlying security
or currency for the Underlying Theme Portfolio's holdings at a price lower than
the current market price of the security or currency. In such event, an
Underlying 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 Underlying 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.
 
  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 an Underlying Theme
Portfolio will be obligated to purchase the security or currency at greater than
its market value.
 
PURCHASING PUT OPTIONS
 
  Each Underlying Theme Portfolio may purchase put options on securities,
indices and currencies. As the holder of a put option, an Underlying 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. An Underlying Theme Portfolio may enter into closing sale
transactions with respect to such options, exercise such option or permit such
option to expire.
 
  Each Underlying Theme Portfolio may purchase a put option on an underlying
security or currency ("protective put") owned by the Underlying 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 Underlying 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.
 
  An Underlying 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 Underlying 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 Underlying 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 Underlying Theme Portfolio may purchase call options on securities,
indices and currencies. As the holder of a call option, an Underlying 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. An Underlying 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 an Underlying 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 an Underlying 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 an Underlying 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 Underlying Theme
Portfolio is partially protected from any unexpected
 
                                       11
<PAGE>   39
 
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.
 
  An Underlying 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 an Underlying 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 Underlying Theme Portfolio and the realization of a
loss on the underlying security or currency. Accordingly, the Underlying Theme
Portfolio could purchase a call option on the same underlying security or
currency, which could be exercised to fulfill its delivery obligations under its
written call (if it is exercised). This strategy could allow the Underlying
Theme Portfolio to avoid selling the portfolio security or currency at a time
when it has an unrealized loss; however, the Underlying 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
Underlying Theme Portfolio's total assets at the time of each purchase.
 
  An Underlying 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 an Underlying 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 an Underlying 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. An Underlying Theme
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 an Underlying 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 an Underlying 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. An Underlying 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 SEC considers purchased OTC options to be illiquid
securities. An Underlying Theme Portfolio may also sell OTC options and, in
connection therewith, segregate assets or cover its obligations with respect to
OTC options written by it. The assets used as cover for OTC options written by
an Underlying Theme Portfolio will be considered illiquid unless the OTC options
are sold to qualified dealers who agree that the Underlying 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.
 
  An Underlying Theme Portfolio's ability to establish and close out positions
in exchange-listed options depends on the existence of a liquid market. Each
Underlying Theme Portfolio intends to purchase or write only those
exchange-traded options for which there appear to be liquid secondary markets.
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 an Underlying Theme Portfolio will
enter into OTC options only with contra parties that are expected to be capable
of entering into closing transactions with it, there is no assurance that the
Underlying 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 Underlying Theme Portfolio might be unable to close out an
OTC option position at any time prior to its expiration.
 
                                       12
<PAGE>   40
 
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 an Underlying
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 Underlying 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 an Underlying 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 an Underlying 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 Underlying Theme Portfolio's exercise of the
put, to deliver to the Underlying 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 Underlying 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 Underlying 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 an Underlying 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. An Underlying 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. However, an Underlying
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 an Underlying 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 Underlying 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 an Underlying 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 Underlying 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 Underlying Theme Portfolio 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. An Underlying 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.
 
                                       13
<PAGE>   41
 
  Each Underlying 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 an Underlying Theme Portfolio's exposure to interest rate,
currency exchange rate and stock market fluctuations, an Underlying 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 Underlying Theme Portfolio
realizes a gain; if it is more, the Underlying Theme Portfolio realizes a loss.
Conversely, if the offsetting sale price is more than the original purchase
price, the Underlying Theme Portfolio realizes a gain; if it is less, the
Underlying Theme Portfolio realizes a loss. The transaction costs must also be
included in these calculations. There can be no assurance, however, that an
Underlying Theme Portfolio will be able to enter into an offsetting transaction
with respect to a particular Futures Contract at a particular time. If an
Underlying Theme Portfolio is not able to enter into an offsetting transaction,
it 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 Underlying
Theme Portfolio.
 
  Each Underlying 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 an Underlying
Theme Portfolio owns, or Futures Contracts will be purchased to protect an
Underlying 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 an Underlying Theme Portfolio in order to initiate Futures trading
and maintain its open positions in Futures Contracts. A margin deposit made when
the Futures Contract is entered into ("initial margin") is intended to ensure
the Underlying 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 Underlying 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 an Underlying 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
 
                                       14
<PAGE>   42
 
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
Contracts 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 an Underlying 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 Underlying
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 Underlying
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.
 
  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 an Underlying 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.
 
                                       15
<PAGE>   43
 
  An Underlying 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 an Underlying 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 Underlying
Theme Portfolio, after taking into account unrealized profits and unrealized
losses on any contracts it 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 applicable Board, without a shareholder vote. This limitation
does not limit the percentage of an Underlying 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. An Underlying
Theme Portfolio either may accept or make delivery of the currency at the
maturity of the Forward Contract. An Underlying 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.
 
  An Underlying Theme Portfolio engages in forward currency transactions in
anticipation of, or to protect itself against, fluctuations in exchange rates.
An Underlying 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, an Underlying Theme 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, an Underlying 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 Underlying 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 applicable Board.
 
  An Underlying Theme Portfolio may enter into Forward Contracts either with
respect to specific transactions or with respect to overall investments of that
Underlying 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 Underlying 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 Underlying 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 Underlying 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 an Underlying Theme Portfolio to sustain losses
on these contracts and transaction costs.
 
  At or before the maturity of a Forward Contract requiring an Underlying Theme
Portfolio to sell a currency, it 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 it will obtain, on the same maturity date, the same amount of
the currency that it is obligated to deliver. Similarly, an Underlying 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. An Underlying 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.
 
                                       16
<PAGE>   44
 
  The cost to an Underlying 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 an Underlying 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
 
  An Underlying 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 Underlying Theme Portfolio's securities are denominated. Such currency
hedges can protect against price movements in a security that the Underlying
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.
 
  An Underlying 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 Underlying 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-advisor
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 Underlying Theme 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, an Underlying 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 an Underlying Theme Portfolio) expose the Underlying
Theme Portfolio to an obligation to another party. An Underlying 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 Underlying 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 an Underlying Theme Portfolio's assets is used for cover or otherwise set
aside, it could affect portfolio management or the Underlying Theme Portfolio's
ability to meet redemption requests or other current obligations.
 
                                       17
<PAGE>   45
 
                RISK FACTORS OF THE UNDERLYING THEME PORTFOLIOS
 
DEBT SECURITIES
 
  The value of the debt securities held by each Underlying Theme Portfolio
generally will vary conversely with market interest rates. If interest rates in
a market fall, the value of the debt securities held by each Underlying Theme
Portfolio ordinarily will rise. If market interest rates increase, however, the
debt securities owned by each Underlying Theme Portfolio in that market will be
likely to decrease in value.
 
  The Global Consumer Products and Services Portfolio, Global Infrastructure
Portfolio and Global Resources Portfolio may each invest up to 20% of its total
assets in debt securities rated below investment grade. Such investments involve
a high degree of risk. However, those Portfolios will not invest in debt
securities that are in default as to payment of principal and interest.
 
  Debt rated Baa by Moody's Investors Service, Inc. ("Moody") 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. For S&P, BB
indicates the lowest degree of speculation for such lower quality debt and C the
highest degree of speculation. For Moody's, Baa indicates the lowest degree of
speculation for such lower quality debt and C the highest degree of speculation.
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 also are 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.
 
  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 that permit the issuer to call or repurchase the security from
an Underlying Theme Portfolio. If an issuer exercises these provisions in a
declining interest rate market, the Underlying Theme Portfolio may have to
replace the security with a lower yielding security, resulting in a decreased
return for investors. In addition, the Underlying 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 Underlying Theme Portfolio 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
Underlying Theme Portfolios to obtain accurate market quotations for purposes of
valuing their portfolio investments. The Underlying 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 Underlying 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. An Underlying Theme Portfolio may
also incur additional expenses to the extent it is required to seek recovery
upon a
 
                                       18
<PAGE>   46
 
default in the payment of principal or interest on portfolio holdings, and the
Underlying Theme Portfolio may have limited legal recourse in the event of a
default.
 
  The Sub-advisor attempts to minimize the speculative risks associated with
investments in lower quality securities through credit analysis and by carefully
monitoring current trends in interest rates, political developments and other
factors.
 
ILLIQUID SECURITIES
 
  Each Underlying Theme Portfolio may invest up to 15% of its net assets in
illiquid securities. Securities may be considered illiquid if an Underlying
Theme Portfolio cannot reasonably expect within seven days to sell the
securities for approximately the amount at which it values such securities. See
"Investment Limitations of the Underlying Theme Funds and Portfolios." 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 liquid.
 
  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, an Underlying 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 Underlying 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 Underlying 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 (the "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
an Underlying Theme Portfolio, however, could affect adversely the marketability
of such portfolio securities, and the Underlying Theme Portfolio might be unable
to dispose of such securities promptly or at favorable prices.
 
  With respect to liquidity determinations generally, the applicable Board 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-advisor, in accordance with procedures
approved by that Board. The Sub-advisor 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-advisor monitors
the liquidity of securities held by each Underlying Theme Portfolio and
periodically reports such determinations to the applicable Board. The
Sub-advisor believes that carefully selected investments in joint ventures,
cooperatives, partnerships and state enterprises that are illiquid
(collectively, "Special Situations") could enable an Underlying Theme Portfolio
to achieve capital appreciation substantially exceeding the appreciation it
would realize if it did not make such investments. However, in order to attempt
to limit investment risk, each Underlying Theme Portfolio will invest no more
than 5% of its total assets in Special Situations. If the liquidity percentage
restriction of a Underlying Theme Portfolio is satisfied at the time of
investment, a later increase in the percentage of illiquid securities held by
the Underlying 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,
 
                                       19
<PAGE>   47
 
the percentage of illiquid securities held by the Underlying Theme Portfolio
increases above the applicable limit, the Sub-advisor 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 Underlying 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, an Underlying Theme Portfolio could lose its entire
investment in any such country.
 
  Religious, Political and Ethnic Stability. Certain countries in which an
Underlying 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 an Underlying 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 an Underlying
Theme Portfolio invests and adversely affect the value of its 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 an Underlying Theme Portfolio.
These restrictions or controls may at times limit or preclude investments in
certain securities and may increase the cost and expenses of an Underlying 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 country may impose
restrictions on foreign capital remittances abroad. An Underlying 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 an
Underlying 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 an Underlying 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-advisor 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. 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 Underlying Theme Portfolio, under normal
circumstances, will invest a substantial portion of its total assets in the
securities of foreign issuers that are denominated in foreign currencies, the
strength or weakness of the U.S. dollar against such foreign currencies will
account for part of an Underlying 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 an Underlying Theme Portfolio's
holdings of securities and cash denominated in that currency and, therefore,
will cause an overall decline in its and its corresponding Feeder Fund's net
asset value (as applicable) and any net investment income and capital gains
derived from such securities to be distributed in U.S. dollars
 
                                       20
<PAGE>   48
 
to the shareholders thereof. Moreover, if the value of the foreign currencies in
which an Underlying Theme Portfolio receives its income falls relative to the
U.S. dollar between receipt of the income and the making of distributions, the
Underlying Theme Portfolio may be required to liquidate securities if it 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 Underlying Theme Portfolio values its assets daily in terms of
U.S. dollars, the Underlying Theme Portfolios do not intend to convert their
holdings of foreign currencies into U.S. dollars on a daily basis. Each
Underlying Theme 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 an Underlying
Theme Portfolio at one rate, while offering a lesser rate of exchange should an
Underlying Theme 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 an Underlying Theme
Portfolio are uninvested and no return is earned thereon. The inability of an
Underlying Theme Portfolio to make intended security purchases due to settlement
problems could cause it to miss attractive investment opportunities. Inability
to dispose of a portfolio security due to settlement problems either could
result in losses to an Underlying Theme Portfolio due to subsequent declines in
value of the portfolio security or, if that Underlying Theme Portfolio has
entered into a contract to sell the security, could result in possible liability
to the purchaser. The Sub-advisor will consider such difficulties when
determining the allocation of an Underlying Theme Portfolio's assets, although
the Sub-advisor does not believe that such difficulties will have a material
adverse effect on an Underlying Theme Portfolio's portfolio trading activities.
 
  Each Underlying 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 (1) determining and monitoring the foreign
custodian's financial strength, reputation and standing, (2) maintaining
appropriate safeguards concerning an Underlying Theme Portfolio's investments,
and (3) possible difficulties in obtaining and enforcing judgments against such
custodians.
 
  Withholding Taxes. Each Underlying Theme Portfolio's net investment income
from securities of its foreign issuers may be subject to withholding taxes by
the foreign issuer's country, thereby reducing that income or delaying the
receipt of income when those taxes may be recaptured. See "Taxes."
 
  Concentration. To the extent an Underlying Theme Portfolio 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") (Austria,
Belgium, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg,
Netherlands, Portugal, Spain, Sweden 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-advisor 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 an Underlying 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 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
 
                                       21
<PAGE>   49
 
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 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 factors which 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.
Jurisdictional disputes also exist between South Korea and North Korea. In
addition, the Underlying 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, nationalization or confiscation, in which case an
Underlying 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
 
                                       22
<PAGE>   50
 
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, an Underlying 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.
 
  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"). The Sub-advisor believes that
privatizations may offer opportunities for significant capital appreciation and
intends to invest assets of the Underlying Theme Portfolios in privatizations in
appropriate circumstances. In certain foreign countries, the ability of foreign
entities such as the Underlying Theme Portfolios to participate in
privatizations may be limited by local law, or the terms on which the Underlying
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.
 
                             INVESTMENT LIMITATIONS
 
INVESTMENT LIMITATIONS OF THE FUND
 
  The following fundamental limitations of the Fund cannot be changed without
the affirmative vote of a majority of the outstanding shares of the Fund.
 
  The Fund will 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 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) Make loans, except through loans of portfolio securities or
     through repurchase agreements, provided that for purposes of this
     restriction, 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;
 
          (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
 
                                       23
<PAGE>   51
 
     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 unless acquired as a result
     of owning securities or other instruments, 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; or
 
          (6) 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.
 
  Because of its investment objective and policies, the Fund will concentrate
more than 25% of its assets in the mutual fund industry. In accordance with the
Fund's investment program set forth in the Prospectus, the Fund may invest more
than 25% of its assets in the Underlying Theme Funds.
 
  The following investment limitations of the Fund are non-fundamental and may
be changed by the vote of the Trust's Board of Trustees without shareholder
approval.
 
  The Fund will not:
 
          (1) Invest more than 15% of its net assets in illiquid securities, a
     term which means securities that cannot be disposed of within seven days in
     the ordinary course of business at approximately the amount at which the
     Fund has valued the securities and includes, among other things, repurchase
     agreements maturing in more than seven days;
 
          (2) Purchase portfolio securities while borrowings in excess of 5% of
     its total assets are outstanding;
 
          (3) Purchase securities on margin, except for short-term credit
     necessary for clearance of portfolio transactions and except 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 contract or derivative instruments;
 
          (4) Engage in short sales of securities or maintain a short position,
     except that the Fund may maintain short positions in connection with its
     use of financial options an futures, forward and spot currency contracts,
     swap transactions and other financial contracts or derivative instruments;
     or
 
          (5) Purchase securities of other investment companies, except to the
     extent permitted by the 1940 Act or under the terms of any exemptive order
     granted by the SEC and except that this limitation does not apply to
     securities received or acquired as dividends, through offers of exchange,
     or as a result of reorganization, consolidation, or merger.
 
  If a percentage restriction on investment or utilization of assets is adhered
to at the time of an investment or transaction, 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 policies or restrictions.
 
  Notwithstanding the forgoing investment limitations, the Fund may invest in
Underlying Theme Funds that have adopted investment limitations that may be more
or less restrictive than those listed above. As a result, the Fund may engage
indirectly in investment strategies that are prohibited under the investment
limitations listed above. The investment limitations and other investment
policies and restrictions of each Underlying Theme Fund are described in its
Prospectus and Statement of Additional Information.
 
  Pursuant to Section 12(d)(1)(G) of the 1940 Act, the Fund may invest
substantially all of its assets in the Underlying Theme Funds.
 
INVESTMENT LIMITATIONS OF THE UNDERLYING THEME FUNDS AND PORTFOLIOS
 
  Feeder Funds. The Financial Services Fund, Infrastructure Fund, Resources Fund
and Consumer Products and Services Fund (each, a "Feeder Fund," and
collectively, the "Feeder Funds") each has the following fundamental investment
policy to enable it to invest in the Financial Services Portfolio,
Infrastructure Portfolio, Resources Portfolio and Consumer Products and Services
Portfolio (each a "Portfolio," and collectively, the "Portfolios"),
respectively:
 
                                       24
<PAGE>   52
 
  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 may not be changed without the affirmative vote of a majority of
the outstanding shares of the Portfolio. 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;
 
          (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) Borrow money except for temporary or emergency purposes (other
     than to meet redemptions). While borrowings exceed 5% of the Portfolio's
     assets, the Portfolio will not make any additional investments;
 
                                       25
<PAGE>   53
 
          (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 applicable 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 may not be changed without the affirmative vote of a
majority of the outstanding shares of the Health Care Fund.
 
  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 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.
 
                                       26
<PAGE>   54
 
  The following investment policies of the Health Care Fund are not fundamental
policies and may be changed by vote of the Underlying Trust'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) Borrow money except for temporary or emergency purposes (other
     than to meet redemptions). While borrowings exceed 5% of the Health Care
     Fund's total assets it will not make any additional investments.
 
  Investors should refer to the Health Care Fund's 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 may not be changed without the affirmative role
of a majority of the outstanding shares of the Telecommunications Fund.
 
  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 issued or guaranteed by the U.S. government,
     its agencies or instrumentalities or to securities issued by other
     investment companies.
 
                                       27
<PAGE>   55
 
  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 Underlying Trust'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) Borrow money except for temporary or emergency purposes (other
     than to meet redemptions). While borrowings exceed 5% of the
     Telecommunications Fund's total assets, it will not make any additional
     investments;
 
          (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 Telecommunications Fund's Prospectus for further
information with respect to the Telecommunications 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.
 
  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.
 
                      EXECUTION OF PORTFOLIO TRANSACTIONS
 
  All orders for the purchase or sale of portfolio securities for the Fund
(normally shares of the Underlying Theme Funds) are placed on behalf of the Fund
by the Sub-advisor. As stated in the Prospectus, the Sub-advisor will exercise
no discretion in investing the assets of the Fund other than to make investments
in money market instruments and to rebalance the percentage of the Fund's assets
in each Underlying Theme Fund.
 
  Subject to policies established by the applicable Board, the Sub-advisor is
responsible for the execution of each Underlying Theme Portfolio's securities
transactions and the selection of broker/dealers who execute such transactions
on behalf of each Underlying Theme Portfolio. In executing transactions, the
Sub-advisor seeks the best net results for each Underlying 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-advisor 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 Underlying 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.
 
                                       28
<PAGE>   56
 
  Consistent with the interests of each Underlying Theme Portfolio, the
Sub-advisor may select broker/dealers to execute that Underlying Theme
Portfolio's portfolio transaction, on the basis of the research and brokerage
services they provide to the Sub-advisor for its use in managing that Underlying
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-advisor
under investment management and administration contracts. 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-advisor
determines in good faith that such commission is reasonable in terms either of
that particular transaction or the overall responsibility of the Sub-advisor to
the Underlying Theme Portfolio and its other clients and that the total
commissions paid by that Underlying Theme Portfolio will be reasonable in
relation to the benefits it receive over the long term. Research services may
also be received from dealers who execute portfolio transactions in OTC markets.
 
  The Sub-advisor 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 an Underlying Theme Portfolio toward payment of its
expenses, such as custodian fees.
 
  Investment decisions for an Underlying Theme Portfolio and for other
investment accounts managed by the Sub-advisor 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 an
Underlying 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 an Underlying Theme Portfolio is concerned, in other cases the Sub-advisor
believes that coordination and the ability to participate in volume transactions
will be beneficial to that Portfolio.
 
  Under a policy adopted by the applicable Board, and subject to the policy of
obtaining the best net results, the Sub-advisor may consider a broker/dealer's
sale of the shares of the Underlying Theme Funds and the other portfolios for
which AIM or the Sub-advisor 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 Underlying Theme Funds and such other
portfolios.
 
  Each Underlying 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 an Underlying 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 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 an Underlying Theme Portfolio may invest are
generally traded in the OTC markets.
 
  An Underlying 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 Underlying 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-advisor. Both Boards have 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.
 
  The Funds may engage in certain principal and agency transactions with banks
and their affiliates that own 5% or more of the outstanding voting securities of
a Fund, provided the conditions of an exemptive order received by the Funds from
the SEC are met. In addition, a Fund may purchase or sell a security from or to
another AIM Fund provided the Funds follow procedures adopted by the Boards of
Directors/Trustees of the various AIM Funds, including the Trust. These
inter-fund transactions do not generate brokerage commissions but may result in
custodial fees or taxes or other related expenses.
 
                                       29
<PAGE>   57
 
                                   MANAGEMENT
 
TRUSTEES AND EXECUTIVE OFFICERS
 
  The Trust's Trustees and Executive Officers are listed below. Unless otherwise
indicated, the address of each Executive Officer is 11 Greenway Plaza, Suite
100, Houston, Texas 77046.
 
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------
                                POSITIONS HELD                  PRINCIPAL OCCUPATION DURING AT
  NAME, ADDRESS AND AGE        WITH REGISTRANT                      LEAST THE PAST 5 YEARS
- ----------------------------------------------------------------------------------------------------------
<S>                        <C>                       <C>
 *ROBERT H. GRAHAM (51)    Trustee, Chairman of the  Director, President and Chief Executive Officer,
                           Board and President       A I M Management Group Inc.; Director and President,
                                                     A I M Advisors, Inc.; Director and Senior Vice
                                                     President, A I M Capital Management, Inc., A I M
                                                     Distributors, Inc., A I M Fund Services, Inc. and
                                                     Fund Management Company; and Director, AMVESCAP PLC.
- ----------------------------------------------------------------------------------------------------------
 C. DEREK ANDERSON (57)    Trustee                   Mr. Anderson is President, Plantagenet Capital
 220 Sansome Street                                  Management, LLC (an investment partnership); Chief
 Suite 400                                           Executive Officer, Plantagenet Holdings, Ltd. (an
 San Francisco, CA 94104                             investment banking firm); Director, Anderson Capital
                                                     Management, Inc. since 1988; Director, PremiumWear,
                                                     Inc. (formerly Munsingwear, Inc.) (a casual apparel
                                                     company) and Director, "R" Homes, 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-advisor.
- ----------------------------------------------------------------------------------------------------------
 FRANK S. BAYLEY (59)      Trustee                   Mr. Bayley is a partner of the law firm of Baker &
 Two Embarcadero Center                              McKenzie, and serves as a Director and Chairman of
 Suite 2400                                          C.D. Stimson Company (a private investment company).
 San Francisco, CA 94111                             Mr. Bayley 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-
                                                     advisor.
- ----------------------------------------------------------------------------------------------------------
 ARTHUR C. PATTERSON (54)  Trustee                   Mr. Patterson is Managing Partner of Accel Partners
 428 University Avenue                               (a venture capital firm). He also serves as a
 Palo Alto, CA 94301                                 director of Viasoft and PageMart, Inc. (both public
                                                     software companies), as well as several other
                                                     privately held software and communications companies.
                                                     Mr. Patterson 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-advisor.
- ----------------------------------------------------------------------------------------------------------
 RUTH H. QUIGLEY (63)      Trustee                   Miss Quigley is a private investor. From 1984 to
 1055 California Street                              1986, she was President of Quigley Friedlander & Co.,
 San Francisco, CA 94108                             Inc. (a financial advisory services firm). Miss
                                                     Quigley 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-advisor.
- ----------------------------------------------------------------------------------------------------------
 +JOHN J. ARTHUR (53)      Vice President            Director, Senior Vice President and Treasurer, A I M
                                                     Advisors, Inc.; Vice President and Treasurer, A I M
                                                     Management Group Inc., A I M Capital Management,
                                                     Inc., A I M Distributors, Inc., A I M Fund Services,
                                                     Inc. and Fund Management Company.
- ----------------------------------------------------------------------------------------------------------
</TABLE>
 
- ---------------
 
<TABLE>
<S>                        <C>                       <C>
* A trustee who is an "interested person" of the Trust and A I M Advisors, Inc. as defined in the 1940
  Act.
</TABLE>
 
<TABLE>
<S>                        <C>                       <C>
+ Mr. Arthur and Ms. Relihan are married to each other.
</TABLE>
 
                                       30
<PAGE>   58
 
<TABLE>
<CAPTION>
- ----------------------------------------------------------------------------------------------------------
                                POSITIONS HELD                  PRINCIPAL OCCUPATION DURING AT
  NAME, ADDRESS AND AGE        WITH REGISTRANT                      LEAST THE PAST 5 YEARS
- ----------------------------------------------------------------------------------------------------------
<S>                        <C>                       <C>
 KENNETH W. CHANCEY (52)   Vice President and        Senior Vice President -- Mutual Fund Accounting, the
 50 California Street      Principal Accounting      Sub-advisor since 1992; Vice President -- Mutual Fund
 San Francisco, CA 94111   Officer                   Accounting, the Sub-advisor from 1992 - 1997.
- ----------------------------------------------------------------------------------------------------------
 MELVILLE B. COX (54)      Vice President            Vice President and Chief Compliance Officer, A I M
                                                     Advisors, Inc., A I M Capital Management, Inc., A I M
                                                     Distributors, Inc., A I M Fund Services, Inc. and
                                                     Fund Management Company.
- ----------------------------------------------------------------------------------------------------------
 GARY T. CRUM (50)         Vice President            Director and President, A I M Capital Management,
                                                     Inc.; Director and Senior Vice President, A I M
                                                     Management Group Inc. and A I M Advisors, Inc.; and
                                                     Director, A I M Distributors, Inc. and AMVESCAP PLC.
- ----------------------------------------------------------------------------------------------------------
 HELGE K. LEE (52)         Vice President &          Chief Legal and Compliance Officer -- North America,
 50 California Street      Secretary                 the Sub-advisor since October 1997; Executive Vice
 San Francisco, CA 94111                             President of the Asset Management Division of
                                                     Liechtenstein Global Trust since October 1996; Senior
                                                     Vice President, General Counsel and Secretary of LGT
                                                     Asset Management, Inc., INVESCO (NY), Inc., GT
                                                     Global, GT Global Investor Services, Inc. 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.
- ----------------------------------------------------------------------------------------------------------
 +CAROL F. RELIHAN (43)    Vice President            Director, Senior Vice President, General Counsel and
                                                     Secretary, A I M Advisors, Inc.; Vice President,
                                                     General Counsel and Secretary, A I M Management Group
                                                     Inc.; Director, Vice President and General Counsel,
                                                     Fund Management Company; Vice President and General
                                                     Counsel, A I M Fund Services, Inc.; and Vice
                                                     President, A I M Capital Management, Inc. and A I M
                                                     Distributors, Inc.
- ----------------------------------------------------------------------------------------------------------
 DANA R. SUTTON (39)       Vice President and        Vice President and Fund Controller, A I M Advisors,
                           Assistant Treasurer       Inc.; and Assistant Vice President and Assistant
                                                     Treasurer, Fund Management Company.
- ----------------------------------------------------------------------------------------------------------
</TABLE>
 
- ---------------
 
+ Mr. Arthur and Ms. Relihan are married to each other.
 
  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 Trust and its
funds and recommending firms to serve as independent auditors of the Trust. All
of the Trust's Trustees also serve as directors or trustees of some or all of
the other investment companies managed, administered or advised by AIM. All of
the Trust's Executive Officers hold similar offices with some or all of the
other investment companies managed, administered or advised by AIM. Each Trustee
who is not a director, officer or employee of the Sub-advisor or any other
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 Trust. As of
August 10, 1998, the Trustees and officers and their families as a group owned
in the aggregate beneficially or of record less than 1% of the shares of the
Fund.
 
MANAGEMENT SERVICES RELATING TO THE FUND
 
  AIM serves as the investment manager and administrator to the Fund under an
investment management and administration contract ("Management Contract")
between the Trust and AIM. The Sub-advisor serves as the sub-advisor and
sub-administrator to the Fund under a Sub-Advisory and Sub-Administration
Contract between AIM and the Sub-advisor
 
                                       31
<PAGE>   59
 
("Sub-Management Contract," and together with the Management Contract, the
"Management Contracts"). Neither AIM nor the Sub-advisor receives a fee for
providing management services to the Fund.
 
DISTRIBUTION SERVICES RELATING TO THE FUND
 
  The Fund's Advisor Class 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 without a front-end sales charge or contingent deferred sales
charge.
 
                         NET ASSET VALUE DETERMINATION
 
  The net asset value per share of the Fund is normally determined daily as of
the close of trading of the New York Stock Exchange ("NYSE") (generally 4:00
p.m. Eastern time) on each business day of the Fund. In the event the NYSE
closes early (i.e., before 4:00 p.m. Eastern time) on a particular day, the net
asset value of the Fund is determined as of the close of the NYSE on such day.
Net asset value per share is determined by dividing the value of the Fund's
interests in the Underlying Theme Funds attributable to a class, less all its
liabilities attributable to that class, by the total number of shares
outstanding of that class. The value of the Fund's interests in the Underlying
Theme Funds is determined in accordance with the procedures and methodologies
described in the prospectus and statement of additional information of the
Underlying Theme Funds. Determination of the Fund's net asset value per share is
made in accordance with generally accepted accounting principles.
 
                       HOW TO PURCHASE AND REDEEM SHARES
 
  A complete description of the manner in which shares of the Fund may be
purchased appears in the Fund's Prospectus under the headings "How to Purchase
Shares," and "Terms and Conditions of Purchases of the AIM Funds."
 
  Complete information concerning the method of exchanging shares of the Fund
for shares of the other AIM Funds is set forth in the Prospectus under the
heading "Exchange Privilege."
 
  Information concerning redemption of the Fund's shares is set forth in the
Prospectus under the heading "How to Redeem Shares." In addition to the Fund's
obligation to redeem shares, AIM Distributors may also repurchase shares as an
accommodation to shareholders. To effect a repurchase, those dealers who have
executed Selected Dealer Agreements with AIM Distributors must phone orders to
the order desk of the Fund at (800) 959-4246 and guarantee delivery of all
required documents in good order. A repurchase is effected at the net asset
value per share of the Fund next determined after the repurchase order is
received. Such an arrangement is subject to timely receipt by A I M Fund
Services, Inc. ("AFS"), of all required documents in good order. If such
documents are not received within a reasonable time after the order is placed,
the order is subject to cancellation. While there is no charge imposed by the
Fund or by AIM Distributors (other than any applicable contingent deferred sales
charge) when shares are redeemed or repurchased, dealers may charge a fair
service fee for handling the transaction.
 
  The right of redemption may be suspended or the date of payment postponed when
(a) trading on the NYSE is restricted, as determined by applicable rules and
regulations of the SEC, (b) the NYSE is closed for other than customary weekend
and holiday closings, (c) the SEC has by order permitted such suspension, or (d)
an emergency as determined by the SEC exists making disposition of portfolio
securities or the valuation of the net assets of a Fund not reasonably
practicable.
 
                     PROGRAMS AND SERVICES FOR SHAREHOLDERS
 
  The Fund provides certain services for shareholders and certain investment or
redemption programs. See "Exchange Privilege" and "How to Redeem Shares" in the
Prospectus. All inquiries concerning these programs should be made directly to
A I M Fund Services, Inc., P.O. Box 4739, Houston, Texas 77210-4739, or call
toll free (800) 959-4246.
 
                                       32
<PAGE>   60
 
                                 DIVIDEND ORDER
 
  Dividends may be paid to someone other than the registered owner, or sent to
an address other than the address of record. (Please note that signature
guarantees are required to effect this option.) An investor also may direct that
his or her dividends be invested in one of the other AIM Funds and there is no
sales charge for these investments; initial investment minimums apply. See
"Dividends, Distributions and Tax Matters -- Dividends and Distributions" in the
Prospectus. To effect this option, please contact your authorized dealer. For
more information concerning AIM Funds other than the Fund, please obtain a
current Prospectus by contacting your authorized dealer, by writing to A I M
Fund Services, Inc., P.O. Box 4739, Houston, Texas 77210-4739, or by calling
toll free (800) 959-4246.
 
                                     TAXES
 
TAXATION OF THE FUND
 
  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 and net short-term capital gain) ("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 other
income derived with respect to its business of investing in securities; and (2)
the Diversification Requirements.
 
  The Fund will invest its assets in shares of the Underlying Theme Funds, cash
and money market instruments. Accordingly, the Fund's income will consist of
distributions from the Underlying Theme Funds, net gains realized from the
disposition of Underlying Theme Fund shares and interest. If an Underlying Theme
Fund qualifies for treatment as a RIC under the Code -- each has done so for its
past taxable years and intends to continue to do so for its current and future
taxable years -- (1) dividends paid to the Fund from the Underlying Theme Fund's
investment company taxable income (which may include net gains from certain
foreign currency transactions) will be taxable to the Fund as ordinary income to
the extent of the Underlying Theme Fund's earnings and profits and (2)
distributions paid to the Fund from the Underlying Theme Fund's net capital gain
(the excess of net long-term capital gain over net short-term capital loss),
when designated as such, will be taxable to the Fund as long-term capital gains,
regardless of how long the Fund has held the Underlying Theme Fund's shares. If
shares of an Underlying Theme Fund are purchased within 30 days before or after
redeeming at a loss, other shares of that Underlying Theme Fund (whether
pursuant to a rebalancing of the Fund's portfolio or otherwise) all or a part of
the loss will not be deductible by the Fund and instead will increase its basis
for the newly purchased shares.
 
  Although an Underlying Theme Fund will be eligible to elect to "pass-through"
to its shareholders (including the Fund) the benefit of the foreign tax credit
with respect to any foreign and U.S. possessions income taxes it pays if more
than 50% in the value of its total assets at the close of any taxable year
consists of securities of foreign corporations, the Fund will not qualify to
pass that benefit through to its shareholders because of its inability to
satisfy that asset test.
 
  The Fund will be subject to a nondeductible 4% 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.
 
TAXATION OF THE FUND'S SHAREHOLDERS
 
  Dividends and other distributions declared by the Fund, 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.
 
  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 the 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,
 
                                       33
<PAGE>   61
 
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.
 
  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 advisors for more detailed information and for information
regarding any foreign, state and local taxes applicable to distributions
received from the Fund.
 
                           MISCELLANEOUS INFORMATION
 
SPECIAL SERVICING AGREEMENT
 
  Subject to the receipt of an exemptive order from the Securities and Exchange
Commission, a Special Servicing Agreement (the "Service Agreement") will be
entered into among AIM, a Sub-Advisor, the Underlying Theme Funds, AFS and the
Trust. The Service Agreement will provide that, if the officers of any
Underlying Theme Fund, at the direction of the Trust's Board of Trustees,
determine that the aggregate expenses of the Fund are less than the estimated
savings to the Underlying Theme Fund from the operation of the Fund, the
Underlying Theme Fund will bear those expenses in proportion to the average
daily value of its shares owned by the Fund and/or the number of shareholder
accounts at the Fund. 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. In this regard, the
shareholder servicing costs to any Underlying Theme Fund for servicing one
account registered to the Trust would be significantly less than the cost to
that same Underlying Theme Fund of servicing the same pool of assets contributed
in the typical fashion by a large group of individual shareholders owning small
accounts in each Underlying Theme Fund. If the Fund's costs exceed the aggregate
estimated savings to the Underlying Theme Funds, the Sub-Advisor will pay the
excess on behalf of the Fund.
 
  Certain non-recurring and extraordinary expenses will not be paid in
accordance with the Service Agreement including: the fees and costs of actions,
suits or proceedings and any penalties or damages in connection therewith, to
which the Trust and/or the Fund may incur directly, or may incur as a result of
its legal obligation to provide indemnification to its officers, trustees and
agents; the fees and costs of any governmental investigation and any fines or
penalties in connection therewith; and any federal, state or local tax, or
related interest penalties or additions to tax, incurred, for example, as a
result of the Trust's failure to distribute all of its income and gains, its
failure to qualify as a RIC under the Code, or failure to timely file any
required tax returns or other filings. Amounts not payable pursuant to the
Service Agreement will be paid by the Fund.
 
  AIM was organized in 1976, and along with its subsidiaries, manages or advises
approximately 90 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
independent investment management groups that have 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.
 
CUSTODIAN
 
  State Street Bank and Trust Company, 225 Franklin Street, Boston,
Massachusetts 02110, acts as custodian of the Fund's and the Underlying Theme
Portfolios' assets.
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
 
  The Transfer Agency and Service Agreement between the Trust and AFS, a
registered transfer agent and wholly-owned subsidiary of AIM, provides that AFS
will perform certain shareholder services for the Fund for a fee per account
serviced. The Transfer Agency and Service Agreement provides that AFS will
receive a per account fee plus out-of-pocket expenses to process orders for
purchases, redemptions and exchanges of shares; prepare and transmit payments
for dividends and distributions declared by the Fund; maintain shareholder
accounts and provide shareholders with information regarding
 
                                       34
<PAGE>   62
 
the Fund and their accounts. The Transfer Agency and Service Agreement became
effective on September 8, 1998. See "Additional Information -- Special Servicing
Agreement." The Sub-Advisor also serves as the Fund's pricing and accounting
agent.
 
INDEPENDENT ACCOUNTANTS
 
  The Trust's independent accountants are PricewaterhouseCoopers LLP.
PricewaterhouseCoopers LLP conducts annual audits of the Fund's financial
statements, assists in the preparation of the Fund's federal and state income
tax returns and consults with the Trust as to matters of accounting, regulatory
filings, and federal and state income taxation.
 
  The audited financial statements of the Trust included in this Statement of
Additional Information have been examined by PricewaterhouseCoopers LLP 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.
 
SHAREHOLDER LIABILITY
 
  Under Delaware law, the shareholders of the Trust enjoy the same limitations
of liability extended to shareholders of private, for-profit corporations. There
is a remote possibility, however, that under certain circumstances shareholders
of the Trust may be held personally liable for the Trust's obligations. However,
the Trust Agreement disclaims shareholder liability for acts or obligations of
the Trust and requires that notice of such disclaimer be given in each
agreement, obligation or instrument entered into or executed by the Trust or a
trustee. If a shareholder is held personally liable for the obligations of the
Trust, the Trust Agreement provides that the shareholder shall be entitled out
of the assets belonging to the applicable Fund (or allocable to the applicable
Class), to be held harmless from and indemnified against all loss and expense
arising from such liability in accordance with the Trust's Bylaws and applicable
law. Thus, the risk of a shareholder incurring financial loss on account of such
liability is limited to circumstances in which the Trust itself would be unable
to meet its obligations and where the other party was held not to be bound by
the disclaimer.
 
NAME
 
  Prior to May 29, 1998, the Fund operated under the name of GT Global New
Dimension Fund.
 
CONTROL PERSONS AND PRINCIPAL HOLDERS OF SECURITIES
 
  To the best knowledge of the Trust, the names and addresses of the holders of
5% or more of the outstanding shares of any class of the Trust's equity
securities as of August 10, 1998, and the percentage of the outstanding shares
held by such holders are set forth below:
 
<TABLE>
<CAPTION>
                                                                                      PERCENT
                                                              PERCENT                 OWNED OF
                                                              OWNED OF               RECORD AND
                 NAME AND ADDRESS OF OWNER                    RECORD*               BENEFICIALLY
                 -------------------------                    --------              ------------
<S>                                                           <C>                   <C>
CLASS C                                                        21.79%                 -0-
MLPF&S for the Sole Benefit of
  its Customers, Security #9,7R61
Attn: Fund Administration
4800 Deer Lake Drive East, 3rd Fl.
Jacksonville, Florida 32246-6484
</TABLE>
 
- ---------------
 
* The Trust has no knowledge as to whether all or any portion of the shares
  owned of record are also owned beneficially.
 
                                       35
<PAGE>   63
 
                               INVESTMENT RESULTS
 
TOTAL RETURN QUOTATIONS
 
  The standard formula for calculating total return, as described in the
Prospectus, is as follows:
                                       (n)
                                 P(1+T)   =ERV
 
<TABLE>
<S>        <C>   <C>   <C>
           P       =   a hypothetical initial payment of $1,000.
    Where
           T       =   average annual total return (assuming the applicable maximum
                       sales load is deducted at the beginning of the 1, 5, or 10
                       year periods).
           n       =   number of years.
           ERV     =   ending redeemable value of a hypothetical $1,000 payment at
                       the end of the 1, 5, or 10 year periods (or fractional
                       portion of such period).
</TABLE>
 
  Standard total return quotes may be accompanied by total return figures
calculated by alternative methods. For example, average annual total return may
be calculated without assuming payment of the full sales load according to the
following formula:
                                       (n)
                                 P(1+U)   =ERV
 
<TABLE>
<S>        <C>   <C>   <C>
           P       =   a hypothetical initial payment of $1,000.
    Where
           U       =   average annual total return assuming payment of only a
                       stated portion of, or none of, the applicable maximum sales
                       load at the beginning of the stated period.
           n       =   number of years.
           ERV     =   ending redeemable value of a hypothetical $1,000 payment at
                       the end of the stated period.
</TABLE>
 
  Cumulative total return across a stated period may be calculated as follows:

                                       (n)
                                 P(1+V)   =ERV
 
<TABLE>
<S>        <C>   <C>   <C>
           P       =   a hypothetical initial payment of $1,000.
    Where
           V       =   cumulative total return assuming payment of all of, a stated
                       portion of, or none of, the applicable maximum sales load at
                       the beginning of the stated period.
           n       =   number of years.
           ERV     =   ending redeemable value of a hypothetical $1,000 payment at
                       the end of the stated period.
</TABLE>
 
  The cumulative total return for Advisor Class shares of the Fund for the
period September 15, 1997 to December 31, 1997 was (2.51)%.
 
                                       36
<PAGE>   64
 
PERFORMANCE INFORMATION
 
  Total return and yield figures for the Fund are neither fixed nor guaranteed,
and the Fund's principal is not insured. Performance quotations reflect
historical information and should not be considered representative of the Fund's
performance for any period in the future. Performance is a function of a number
of factors which can be expected to fluctuate. The Fund may provide performance
information in reports, sales literature and advertisements. The Fund may also,
from time to time, quote information about the Fund published or aired by
publications or other media entities which contain articles or segments relating
to investment results or other data about the Fund. Such publications or media
entities may include the following, among others:
 
     Advertising Age
     Barron's
     Best's Review
     Broker World
     Business Week
     Changing Times
     Christian Science Monitor
     CNBC
     CNN
     Consumer Reports
     Economist
     EuroMoney
     FACS of the Week
     Financial Planning
     Financial Product News
     Financial Services Week
     Financial World
     Forbes
     Fortune
     Global Finance
     Hartford Courant Inc.
     Insurance Forum
     Institutional Investor
     Insurance Week
     Investor's Daily
     Journal of the American
       Society of CLU & ChFC
     Kiplinger Letter
     Money
     Mutual Fund Forecaster
     Mutual Fund Magazine
     Nation's Business
     New York Times
     PBS
     Pension World
     Pensions & Investments
     Personal Investor
     Philadelphia Inquirer
     Smart Money
     USA Today
     U.S. News & World Report
     Wall Street Journal
     Washington Post
 
  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, or compare the Fund's performance to performance
data of similar mutual funds as published in the following, among others:
 
     Bank Rate National Monitor Index
     Bear Stearns Foreign Bond Index
     Bond Buyer Index
     CDA/Wiesenberger Investment Company Services
       (data and mutual fund rankings and
       comparisons)
     CNBC/Financial News Composite Index
     COFI
     Consumer Price Index
     Datastream
     Donoghue's
     Dow Jones Industrial Average
     EAFE Index
     First Boston High Yield Index
     Fitch (publications)
     Ibbotson Associates International Bond Index
     International Bank for Reconstruction and
       Development (publications)
     International Finance Corporation Emerging
       Markets Database
     International Financial Statistics
     Lehman Bond Indices
     Lipper Analytical Data Services, Inc. (data and
       mutual fund rankings and comparisons)
     Micropal, Inc. (data and mutual fund rankings
       and comparisons)
     Moody's Investors Service (publications)
     Morgan Stanley Capital International All
       Country (AC) World Index
     Morgan Stanley Capital International World
       Indices
     Morningstar, Inc. (data and mutual fund rankings
       and comparisons)
     NASDAQ
     Organization for Economic Cooperation and
       Development (publications)
     Salomon Brothers Global Telecommunications
       Index
     Salomon Brothers World Government Bond
       Index-Non-U.S.
     Salomon Brothers World Government Bond Index
     Standard & Poor's (publications)
     Standard & Poor's 500 Composite Stock Price
       Index
     Stangar
     Wilshire Associates
     World Bank (publications and reports)
     The World Bank Publication of Trends in
       Developing Countries
     Worldscope
 
                                       37
<PAGE>   65
 
  The Fund may also compare its performance to rates on Certificates of Deposit
and other fixed rate investments such as the following:
 
        10-year Treasuries
        30-year Treasuries
        30-day Treasury Bills
 
  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. Advertising for the Fund may from time to time include discussions
of general economic conditions and interest rates. Advertising for the Fund may
also include reference to the use of the Fund as part of an individual's overall
retirement investment program. From time to time, sales literature and/or
advertisements for the Fund may disclose (i) the largest holdings in the Fund's
portfolio, (ii) certain selling group members and/or (iii) certain institutional
shareholders.
 
  From time to time, the Fund's sales literature and/or advertisements may
discuss generic topics pertaining to the mutual fund industry. This includes,
but is not limited to, literature addressing general information about mutual
funds, variable annuities, dollar-cost averaging, stocks, bonds, money markets,
certificates of deposit, retirement, retirement plans, asset allocation,
tax-free investing, college planning, and inflation.
 
  Although performance data may be useful to prospective investors when
comparing a Fund's performance with other funds and other potential investments,
investors should note that the methods of computing performance of other
potential investments are not necessarily comparable to the methods employed by
a Fund.
 
GENERAL INFORMATION ABOUT THE UNDERLYING THEME PORTFOLIOS
 
  Each Underlying Theme Portfolio may invest worldwide across industries within
the Portfolio's area of concentration without national or regional restrictions.
The ability of each Underlying 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 Underlying 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 an Underlying 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
 
  - 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 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:
 
  - 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
 
                                       38
<PAGE>   66
 
  - 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-advisor 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-advisor, the investment advisor to the AIM/GT Funds, 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-advisor, 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-advisor 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-advisor, 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
 
  - 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-advisor 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.
 
  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
 
                                       39
<PAGE>   67
 
  - 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, but not limited to, 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
 
  - New technologies, products and services used in the financial services
    industries
 
  - Consolidation in the financial services industries
 
  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
 
                                       40
<PAGE>   68
 
                                    APPENDIX
 
                    DESCRIPTION OF COMMERCIAL PAPER RATINGS
 
  Moody's Investors Service, Inc. ("Moody's") employs the designations "Prime-1"
and "Prime-2" to indicate commercial paper having the highest capacity for
timely repayment. Issuers rated Prime-1 (or supporting institutions) have 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. Issuers rated Prime-2 (or supporting institutions) 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.
 
  Standard & Poor's, a division of the McGraw-Hill Companies, Inc. ("S&P") rates
commercial paper in four categories ranging from "A-1" for the highest quality
obligations to "D" for the lowest. 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 payment on issues with this
designation is satisfactory. However, the relative degree of safety is not as
high as for issues designated "A-1." A-3 -- Issues carrying this designation
have adequate capacity for timely payment. They are, however, more vulnerable to
the adverse effects of changes in circumstances than obligations carrying the
higher designations. B -- Issues rated "B" are regarded as having only
speculative capacity for timely payment. C -- This rating is assigned to
short-term debt obligations with a doubtful capacity for payment. D -- Debt
rated "D" is in payment default. The "D" rating category is used when interest
payments or principal payments 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.
 
  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 -- Highest rating. Capacity to pay interest and repay principal
is extremely strong. AA -- Very strong capacity to pay interest and repay
principal and differs from the higher rated issues only in a small degree.
A -- Has a strong capacity to pay interest and repay principal although it is
somewhat more susceptible to the adverse effects of changes in circumstances and
economic conditions than debt in higher rated categories. BBB -- Regarded as
having adequate capacity to pay interest and repay principal. Whereas it
normally exhibits adequate protection parameters, adverse economic conditions or
changing circumstances are more likely to lead to a weakened capacity to pay
interest and repay principal for debt in this category than in higher rated
categories. BB, B, CCC, CC, C -- Debt rated "BB," "B," "CCC," "CC," and "C" is
regarded, on balance, as predominantly speculative with respect to capacity to
pay interest and repay principal in accordance with the terms of the obligation.
"BB" indicates the lowest degree of speculation and "C" the highest degree of
speculation. While such debt will likely have some quality and protective
characteristics, these are outweighed by large uncertainties or major risk
exposures to adverse conditions. BB -- Has less near-term vulnerability to
default than other speculative issues. However, it faces major ongoing
uncertainties or exposure to adverse business, financial, or economic conditions
which could lead to inadequate capacity to meet timely interest and principal
payments. The "BB" rating category is also used for debt subordinated to senior
debt that is assigned an actual or implied "BBB-" rating. B -- Has a greater
vulnerability to default but currently has the capacity to meet interest
payments and principal repayments. Adverse business, financial, or economic
conditions will likely impair capacity or willingness to pay interest and repay
principal. The "B" rating category is also used for debt subordinated to senior
debt that is assigned an actual or implied "BB" or "BB-" rating. CCC -- Has a
currently identifiable vulnerability to default, and is dependent upon favorable
business, financial, and economic conditions to meet timely payment of interest
and repayment of principal. In the event of adverse business, financial, or
economic conditions, it is not likely to have the capacity to pay interest and
repay principal. The "CCC" rating category is also used for debt subordinated to
senior debt that is assigned an actual or implied "B" or "B-" rating.
CC -- Typically applied to debt subordinated to senior debt that is assigned an
actual or implied "CCC" rating. C -- Typically applied to debt subordinated to
senior debt that is assigned an actual or implied "CCC-" debt rating. The "C"
rating may be used to cover a situation where a bankruptcy petition has been
filed, but debt service payments are continued. C1 -- Reserved for income bonds
on which no interest is being paid. D -- In payment default. The "D" category is
used when interest payments or principal payments 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. This rating will also be
used upon the filing of a bankruptcy petition if debt service payments are
jeopardized.
 
                                       41
<PAGE>   69
 
  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 BOND RATINGS
 
  Moody's rates the long-term debt securities issued by various entities from
"Aaa" to "C." Investment Grade Ratings are the first four categories:
Aaa -- Best quality. These securities 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 -- 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 -- 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 sometime in the future. Baa -- 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 -- Have
speculative elements and 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 -- 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 -- Poor standing. Such issues may be in default or
there may be present elements of danger with respect to principal or interest.
Ca -- Speculative in a high degree. Such issues are often in default or have
other marked shortcomings. C -- Lowest rated class of bonds. 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 B in its corporate bond rating system. 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 issue ranks in the lower end of its generic rating category.
 
                                       42
<PAGE>   70
 
                              FINANCIAL STATEMENTS
 
                                       FS
<PAGE>   71
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
                            PORTFOLIO OF INVESTMENTS
 
                           June 30, 1998 (Unaudited)
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                             ADVISOR
                                                                              CLASS         VALUE        % OF NET
AIM GLOBAL THEME FUNDS                                                       SHARES       (NOTE 1)        ASSETS
- --------------------------------------------------------------             -----------   -----------   -------------
<S>                                                             <C>        <C>           <C>           <C>
  AIM Global Consumer Products and Services Fund .............                 686,284   $17,953,178        32.0
  AIM Global Financial Services Fund .........................                 595,333    12,186,465        21.7
  AIM Global Infrastructure Fund .............................                 556,903     9,122,071        16.3
  AIM Global Health Care Fund ................................                 267,601     5,954,114        10.6
  AIM Global Telecommunications Fund .........................                 269,653     5,519,803         9.8
  AIM Global Resources Fund ..................................                 402,064     5,484,152         9.8
                                                                                         -----------       -----
 
TOTAL THEME FUND INVESTMENTS (cost $53,855,420) ..............                            56,219,783       100.2
                                                                                         -----------       -----
 
TOTAL INVESTMENTS (cost $53,855,420)  * ......................                            56,219,783       100.2
Other Assets and Liabilities .................................                              (106,206)       (0.2)
                                                                                         -----------       -----
 
NET ASSETS ...................................................                           $56,113,577       100.0
                                                                                         -----------       -----
                                                                                         -----------       -----
</TABLE>
 
- --------------
 
          *  For Federal income tax purposes, cost is $53,893,162 and
             appreciation (depreciation) is as follows:
 
<TABLE>
                 <S>                              <C>
                 Unrealized appreciation:         $   4,401,304
                 Unrealized depreciation:            (2,074,683)
                                                  -------------
                 Net unrealized appreciation:     $   2,326,621
                                                  -------------
                                                  -------------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-1
<PAGE>   72
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
                              STATEMENT OF ASSETS
                                 AND LIABILITIES
                           June 30, 1998 (Unaudited)
 
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                                          <C>
Assets:
  Investments at value (cost $53,855,420) (Note 1)...........................................    $ 56,219,783
  U.S. currency..............................................................................           9,174
  Receivable for Fund shares sold............................................................          72,825
                                                                                                 ------------
    Total assets.............................................................................      56,301,782
                                                                                                 ------------
Liabilities:
  Payable for Fund shares repurchased........................................................         145,699
  Payable for service and distribution expenses (Note 2).....................................          33,332
  Payable for investments purchased..........................................................           9,174
                                                                                                 ------------
    Total liabilities........................................................................         188,205
                                                                                                 ------------
Net assets...................................................................................    $ 56,113,577
                                                                                                 ------------
                                                                                                 ------------
Class A:
Net asset value and redemption price per share ($23,947,333 DIVIDED BY 2,021,670 shares
 outstanding)................................................................................    $      11.85
                                                                                                 ------------
                                                                                                 ------------
Maximum offering price per share (100/95.25 of $11.85) *.....................................    $      12.44
                                                                                                 ------------
                                                                                                 ------------
Class B:+
Net asset value and offering price per share ($30,479,961 DIVIDED BY 2,582,072 shares
 outstanding)................................................................................    $      11.80
                                                                                                 ------------
                                                                                                 ------------
Class C:+
Net asset value and offering price per share ($266,957 DIVIDED BY 22,624 shares
 outstanding)................................................................................    $      11.80
                                                                                                 ------------
                                                                                                 ------------
Advisor Class:
Net asset value, offering price per share, and redemption price per share ($1,419,326 DIVIDED
 BY 119,492 shares outstanding)..............................................................    $      11.88
                                                                                                 ------------
                                                                                                 ------------
Net assets consist of:
  Paid in capital (Note 4)...................................................................    $ 53,469,758
  Accumulated net investment loss............................................................        (148,422)
  Accumulated net realized gain on investments...............................................         427,878
  Net unrealized appreciation of investments.................................................       2,364,363
                                                                                                 ------------
Total -- representing net assets applicable to capital shares outstanding....................    $ 56,113,577
                                                                                                 ------------
                                                                                                 ------------
<FN>
- --------------
   * On sales of $50,000 or more, the offering price is reduced.
   + Redemption price per share is equal to the net asset value per share less
     any applicable contingent deferred sales charge.
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-2
<PAGE>   73
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
                            STATEMENT OF OPERATIONS
 
                   Six months ended June 30, 1998 (Unaudited)
 
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                                  <C>         <C>
Investment income: (Note 1)
  Interest income..............................................................................  $    3,426
                                                                                                 ----------
    Total investment income....................................................................       3,426
                                                                                                 ----------
Expenses:
  Service and distribution expenses: (Note 2)
    Class A........................................................................  $   50,681
    Class B........................................................................     129,149
    Class C........................................................................         728
                                                                                     ----------
    Total expenses.............................................................................     180,558
                                                                                                 ----------
Net investment loss............................................................................    (177,132)
                                                                                                 ----------
Net realized and unrealized gain (loss) on investments: (Note 1)
  Net realized loss on investments.................................................     (77,682)
  Capital gain distributions received..............................................          --
                                                                                     ----------
    Net realized loss during the period........................................................     (77,682)
    Net change in unrealized appreciation during the period....................................   5,158,759
                                                                                                 ----------
Net realized and unrealized gain on investments................................................   5,081,077
                                                                                                 ----------
Net increase in net assets resulting from operations...........................................  $4,903,945
                                                                                                 ----------
                                                                                                 ----------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-3
<PAGE>   74
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
                      STATEMENTS OF CHANGES IN NET ASSETS
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                SEPTEMBER 15,
                                                                                                    1997
                                                                                                (COMMENCEMENT
                                                                                SIX MONTHS     OF OPERATIONS)
                                                                                  ENDED              TO
                                                                              JUNE 30, 1998     DECEMBER 31,
                                                                               (UNAUDITED)          1997
                                                                              --------------   ---------------
<S>                                                                           <C>              <C>
Increase in net assets
Operations:
  Net investment loss.......................................................    $  (177,132)      $   (31,440)
  Net realized gain (loss) on investments...................................        (77,682)        1,983,653
  Net change in unrealized appreciation (depreciation) of investments.......      5,158,759        (2,794,396)
                                                                              --------------   ---------------
    Net increase (decrease) in net assets resulting from operations.........      4,903,945          (842,183)
                                                                              --------------   ---------------
Class A:
Distributions to shareholders: (Note 1)
  In excess of net investment income........................................             --          (583,714)
Class B:
Distributions to shareholders: (Note 1)
  In excess of net investment income........................................             --          (781,183)
Class C:+
Distributions to shareholders: (Note 1)
  In excess of net investment income........................................             --               N/A
Advisor Class: (Note 1)
Distributions to shareholders:
  In excess of net investment income........................................             --           (53,046)
                                                                              --------------   ---------------
    Total distributions.....................................................             --        (1,417,943)
                                                                              --------------   ---------------
Capital share transactions: (Note 4)
  Increase from capital shares sold and reinvested..........................     22,460,467        41,029,628
  Decrease from capital shares repurchased..................................     (6,819,849)       (3,300,488)
                                                                              --------------   ---------------
    Net increase from capital share transactions............................     15,640,618        37,729,140
                                                                              --------------   ---------------
Total increase in net assets................................................     20,544,563        35,469,014
Net assets:
  Beginning of period.......................................................     35,569,014           100,000
                                                                              --------------   ---------------
  End of period *...........................................................    $56,113,577       $35,569,014
                                                                              --------------   ---------------
                                                                              --------------   ---------------
 * Includes undistributed/accumulated net investment income (loss)..........    $  (148,422)      $    28,710
                                                                              --------------   ---------------
                                                                              --------------   ---------------
</TABLE>
 
- --------------
   + Commencing January 1, 1998, the Fund began offering Class C shares.
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-4
<PAGE>   75
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding,
total investment return, ratios and supplemental data. This information has been
derived from information provided in the financial statements and market price
data for the shares.
 
<TABLE>
<CAPTION>
                                                        CLASS A
                                          ------------------------------------
                                            SIX MONTHS     SEPTEMBER 15, 1997
                                              ENDED           (COMMENCEMENT
                                             JUNE 30,        OF OPERATIONS)
                                             1998 (d)        TO DECEMBER 31,
                                           (UNAUDITED)          1997 (d)
                                          --------------   -------------------
<S>                                       <C>              <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $  10.63              $  11.43
                                          --------------      ----------
Income from investment operations:
  Net investment income (loss)..........     (0.02)                (0.01)
  Net realized and unrealized loss on
   investments..........................      1.24                 (0.31)
                                          --------------      ----------
    Net increase (decrease) from
     investment operations..............      1.22                 (0.32)
                                          --------------      ----------
Distributions to shareholders:
  In excess of net investment income....        --                 (0.48)
                                          --------------      ----------
    Total distributions.................        --                 (0.48)
                                          --------------      ----------
Net asset value, end of period..........  $  11.85              $  10.63
                                          --------------      ----------
                                          --------------      ----------
 
Total investment return (c).............     11.48% (b)            (2.68)% (b)
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 23,947              $ 15,145
Ratio of net investment income (loss) to
 average net assets.....................     (0.49)% (a)           (0.35)% (a)
Ratio of operating expenses to average
 net assets: (Note 2)...................      0.50% (a)             0.50% (a)
Portfolio turnover rate++...............         8% (a)                1% (a)
</TABLE>
 
- ----------------
 
 (a) Annualized
 (b) Not annualized
 (c) Total investment return does not include sales charges.
 (d) Calculated based upon average shares outstanding during the period.
  +  Commencing January 1, 1998, the Fund began offering Class C shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-5
<PAGE>   76
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
                         FINANCIAL HIGHLIGHTS  (cont'd)
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding,
total investment return, ratios and supplemental data. This information has been
derived from information provided in the financial statements and market price
data for the shares.
 
<TABLE>
<CAPTION>
                                                       CLASS B                 CLASS C+             ADVISOR CLASS
                                          ---------------------------------   ----------   -------------------------------
                                           SIX MONTHS    SEPTEMBER 15, 1997   SIX MONTHS   SIX MONTHS   SEPTEMBER 15, 1997
                                             ENDED         (COMMENCEMENT        ENDED        ENDED        (COMMENCEMENT
                                            JUNE 30,       OF OPERATIONS)      JUNE 30,     JUNE 30,      OF OPERATIONS)
                                            1998 (d)      TO DECEMBER 31,      1998 (d)     1998 (d)     TO DECEMBER 31,
                                          (UNAUDITED)         1997 (d)        (UNAUDITED)  (UNAUDITED)       1997 (d)
                                          ------------   ------------------   ----------   ----------   ------------------
<S>                                       <C>            <C>                  <C>          <C>          <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $ 10.62             $ 11.43         $10.62       $10.64             $11.43
                                          ------------     ----------         ----------   ----------       --------
Income from investment operations:
  Net investment income (loss)..........    (0.05)              (0.02)         (0.05)        0.00               0.01
  Net realized and unrealized loss on
   investments..........................     1.23               (0.32)          1.23         1.24              (0.31)
                                          ------------     ----------         ----------   ----------       --------
    Net increase (decrease) from
     investment operations..............     1.18               (0.34)          1.18         1.24              (0.30)
                                          ------------     ----------         ----------   ----------       --------
Distributions to shareholders:
  In excess of net investment income....       --               (0.47)            --           --              (0.49)
                                          ------------     ----------         ----------   ----------       --------
    Total distributions.................       --               (0.47)            --           --              (0.49)
                                          ------------     ----------         ----------   ----------       --------
Net asset value, end of period..........  $ 11.80             $ 10.62         $11.80       $11.88             $10.64
                                          ------------     ----------         ----------   ----------       --------
                                          ------------     ----------         ----------   ----------       --------
 
Total investment return (c).............    11.11% (b)          (2.83)% (b)    11.11% (b)   11.65% (b)         (2.51)% (b)
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $30,480             $19,184         $  267       $1,419             $1,241
Ratio of net investment income (loss) to
 average net assets.....................    (0.99)% (a)         (0.85)% (a)    (0.99)% (a)   0.01%              0.15% (a)
Ratio of operating expenses to average
 net assets: (Note 2)...................     1.00% (a)           1.00% (a)      1.00% (a)    0.00% (a)          0.00% (a)
Portfolio turnover rate++...............        8% (a)              1% (a)         8% (a)       8% (a)             1% (a)
</TABLE>
 
- ----------------
 
 (a) Annualized
 (b) Not annualized
 (c) Total investment return does not include sales charges.
 (d) Calculated based upon average shares outstanding during the period.
  +  Commencing January 1, 1998, the Fund began offering Class C shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-6
<PAGE>   77
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
                                    NOTES TO
                              FINANCIAL STATEMENTS
                           June 30, 1998 (Unaudited)
 
- --------------------------------------------------------------------------------
 
1. SIGNIFICANT ACCOUNTING POLICIES (SEE ALSO NOTE 2)
AIM New Dimension Fund (the "Fund", formerly GT Global New Dimension Fund) is a
diversified series of AIM Series Trust (the "Trust", formerly GT Global Series
Trust ). The Trust is organized as a Delaware business trust and is registered
under the Investment Company Act of 1940, as amended ("1940 Act"), as an
open-end management investment company. The Fund invests substantially all of
its assets in Advisor Class shares of the AIM theme mutual funds: AIM Global
Consumer Products and Services Fund; AIM Global Financial Services Fund; AIM
Global Health Care Fund; AIM Global Infrastructure Fund; AIM Global Resources
Fund; and AIM Global Telecommunications Fund (collectively, the "Underlying
Theme Funds").
 
The Fund offers Class A, Class B, Class C, and Advisor Class shares, each of
which has equal rights as to assets and voting privileges. Class A, Class B, and
Class C, each have exclusive voting rights with respect to its distribution
plan. Investment income, realized and unrealized capital gains and losses of the
Fund are allocated on a pro rata basis to each class based on the relative net
assets of each class to the total net assets of the Fund. Each class of shares
differs in its respective service and distribution expenses.
 
The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities and disclosure of
contingent assets and liabilities at the date of the financial statements and
the reported amounts of income and expenses during the reporting period. Actual
results could differ from those estimates. The following is a summary of
significant accounting policies in conformity with generally accepted accounting
principles consistently followed by the Fund in the preparation of the financial
statements.
 
(A) PORTFOLIO VALUATION
The Fund calculates the net asset value of and completes orders to purchase,
exchange or repurchase Fund shares on each business day, with the exception of
those days on which the New York Stock Exchange is closed.
 
Investments in the Fund are valued at the closing net asset value of Advisor
Class shares of each Underlying Theme Fund on the day of valuation, and
short-term investments with a maturity of 60 days or less are valued at
amortized cost.
 
(B) REPURCHASE AGREEMENTS
With respect to repurchase agreements entered into by the Fund, it is the Fund's
policy to always receive, as collateral, United States government securities or
other high quality debt securities of which the value, including accrued
interest, is at least equal to the amount to be repaid to the Fund under each
agreement at its maturity.
 
(C) TAXES
It is the policy of the Fund to meet the requirements for qualification as a
"regulated investment company" under the Internal Revenue Code of 1986, as
amended ("Code"). It is also the intention of the Fund to make distributions
sufficient to avoid imposition of any excise tax under Section 4982 of the Code.
Therefore, no provision has been made for Federal taxes on income, capital
gains, or unrealized appreciation of securities held, and excise tax on income
and capital gains.
 
(D) DISTRIBUTIONS TO SHAREHOLDERS
Distributions to shareholders are recorded by the Fund on the ex-date. Income
and capital gain distributions are determined in accordance with Federal income
tax regulations which may differ from generally accepted accounting principles.
These differences are primarily due to differing treatments of income and gains
on various investments held by the Fund and timing differences.
 
(E) LINE OF CREDIT
The Fund, along with certain other funds advised and/or administered by the
Manager, has a line of credit with BankBoston and State Street Bank & Trust
Company. The arrangements with the banks allow the Fund and certain other funds
to borrow, on a first come, first serve basis, an aggregate maximum amount of
$250,000,000. The Fund is limited to borrowing up to 33 1/3% of the value of the
Fund's total assets. On June 30, 1998, the Fund had no loans outstanding.
 
2. RELATED PARTIES
A I M Advisors, Inc. ("AIM" or the "Manager") is the Fund's investment manager
and administrator, and INVESCO (NY), Inc., (formerly, Chancellor LGT Asset
Management, Inc.) is the Fund's investment sub-adviser and/or sub-administrator.
As of the close of business on May 29, 1998, Liechtenstein Global Trust AG
("LGT"), the former indirect parent organization of Chancellor LGT Asset
Management, Inc. ("Chancellor LGT"), consummated a purchase agreement with
AMVESCAP PLC pursuant to which AMVESCAP PLC acquired LGT's Asset Management
Division, which included Chancellor LGT and certain other affiliates. As a
result of this transaction, Chancellor LGT was renamed INVESCO (NY), Inc., and
is now an indirect wholly-owned subsidiary of AMVESCAP PLC. In connection with
this transaction, A I M Advisors, Inc., an indirect wholly-owned subsidiary of
AMVESCAP PLC, became the investment manager and administrator of the Fund and
INVESCO (NY), Inc. became the sub-adviser and sub-administrator of the Fund.
A I M Distributors, Inc. ("AIM Distributors") became the Fund's distributor.
Finally, the Trust was reorganized from a Massachusetts business trust into a
Delaware business trust. All of the changes became effective as of the close of
business on May 29, 1998.
 
AIM Distributors, an affiliate of the Manager, serves as the Fund's distributor.
For the period ended May 29, 1998, GT Global, Inc. ("GT Global"), an affiliate
of the investment sub-advisor, served as the
 
                                       FS-7
<PAGE>   78
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
Fund's distributor. The Fund offers Class A, Class B, Class C, and Advisor Class
shares for purchase.
 
GT Global Investor Services, Inc. ("GT Services"), an affiliate of the Manager
and AIM Distributors, is the transfer agent of the Fund. For performing
shareholder servicing, reporting, and general transfer agent services, GT
Services 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. GT Services is also
reimbursed by the Fund its out-of-pocket expenses for such items as postage,
forms, telephone charges, stationery and office supplies.
 
The Manager is also the pricing and accounting agent for the Fund. The Manager
will initially assume all costs of the Fund's operation, except for service and
distribution fees as described below and non-recurring and extraordinary
expenses, if any. The Fund, as a shareholder in the Underlying Theme Funds,
indirectly will bear its proportionate share of any investment management fees
and other expenses paid by the Underlying Theme Funds. Subject to receipt of a
pending exemptive order from the Securities and Exchange Commission, the Trust,
on behalf of the Fund, will enter into a Special Servicing Agreement
("Agreement") with the Underlying Theme Funds, the Manager and GT Services. If
the Board of Trustees of the Underlying Theme Funds makes certain findings, each
Underlying Theme Fund will pay certain nondistribution-related expenses of the
Fund to the extent such expenses are less than the estimated savings to the
Underlying Theme Funds from the operation of the Fund. The Manager and AIM
Distributors also voluntarily have undertaken to limit the Underlying Theme
Fund's expenses (exclusive of brokerage commissions, taxes, interest, and
extraordinary expenses) to the maximum annual rate of 1.50% of the average daily
net assets of the Underlying Theme Fund's Advisor Class shares.
 
Class A shares are subject to initial sales charges imposed at the time of
purchase, in accordance with the schedule included in the Fund's current
prospectus. AIM Distributors collects the sales charges imposed on sales of
Class A shares, and reallows a portion of such charges to dealers through which
the sales are made. For the period ended June 30, 1998, AIM Distributors and GT
Global retained $1,378 and $14,589, respectively, of such sales charges.
Purchases of Class A shares exceeding $500,000 may be subject to a contingent
deferred sales charge ("CDSC") upon redemption, in accordance with the Fund's
current prospectus. No CDSC's were collected during the period ended June 30,
1998. In addition, AIM Distributors also makes ongoing shareholder servicing and
trail commission payments to dealers whose clients hold Class A shares.
 
Class B shares are not subject to initial sales charges. When Class B shares are
sold, AIM Distributors from its own resources pays commissions to dealers
through which the sales are made. Certain redemptions of Class B shares made
within six years of purchase are subject to CDSCs, in accordance with the Fund's
current prospectus. During the period ended June 30, 1998, AIM Distributors and
GT Global collected such CDSCs in the amount of $11,697 and $29,522,
respectively. In addition, AIM Distributors makes ongoing shareholder servicing
and trail commission payments to dealers whose clients hold Class B shares.
 
Class C shares are not subject to initial sales charges. When Class C shares are
sold, AIM Distributors from its own resources pays commissions to dealers
through which the sales are made. Certain redemptions of Class C shares made
within one year of purchase are subject to CDSCs, in accordance with the Fund's
current prospectus. During the period ended June 30, 1998, AIM Distributors
collected no CDSCs. In addition, AIM Distributors makes ongoing shareholder
servicing and trail commission payments to dealers whose clients hold Class C
shares.
 
For the period ended May 29, 1998, pursuant to the then effective separate
distribution plans adopted under the 1940 Act Rule 12b-1 by the Trust's Board of
Trustees with respect to the Fund's Class A shares ("Class A Plan"), Class B
shares ("Class B Plan") and Class C shares ("Class C Plan"), the Fund reimbursed
GT Global for a portion of its shareholder servicing and distribution expenses.
Under the Class A Plan, the Fund was permitted to pay GT Global a service fee at
the annualized rate of up to 0.25% of the average daily net assets of the Fund's
Class A shares for GT Global's expenditures incurred in servicing and
maintaining shareholder accounts, and was permitted to pay GT Global a
distribution fee at the annualized rate of up to 0.50% of the average daily net
assets of the Fund's Class A shares, less any amounts paid by the Fund as the
aforementioned service fee, for GT Global's expenditures incurred in providing
services as distributor. All expenses for which GT Global was reimbursed under
the Class A Plan would have been incurred within one year of such reimbursement.
 
For the period ended May 29, 1998, pursuant to the Class B Plan and Class C
Plan, the Fund was permitted to pay GT Global a service fee at the annualized
rate of up to 0.25% of the average daily net assets of the Fund's Class B and
Class C shares for GT Global's expenditures incurred in servicing and
maintaining shareholder accounts, and was permitted to pay GT Global a
distribution fee at the annualized rate of up to 0.75% of the average daily net
assets of the Fund's Class B and Class C shares for GT Global's expenditures
incurred in providing services as distributor. Expenses incurred under the Class
B Plan and Class C Plan in excess of 1.00% annually were permitted to be carried
forward for reimbursement in subsequent years as long as that Plan continues in
effect.
 
Effective as of the close of business May 29, 1998, pursuant to Rule 12b-1 under
the 1940 Act, the Trust's Board of Trustees has adopted a Master Distribution
Plan applicable to the Fund's Class A and Class C shares (the "Class A and Class
C Plan") and Class B shares ("Class B Plan"), pursuant to which a Fund
compensates AIM Distributors for the purpose of financing any activity that is
intended to result in the sale of Class A, Class B, and Class C shares of the
Funds. Under the Class A and Class C Plan, a Fund compensates AIM Distributors
at the annualized rate of 0.50% of the average daily net assets of the Fund's
Class A shares and an aggregated amount of 1.00% of the average daily net assets
of Class C shares of the Fund.
 
                                       FS-8
<PAGE>   79
                             AIM NEW DIMENSION FUND
                    (FORMERLY GT GLOBAL NEW DIMENSION FUND)
 
Pursuant to the Fund's Class B Plan, the Fund compensates AIM Distributors at an
annualized rate of 1.00% of the average daily net assets of the Fund's Class B
shares.
Subject to the receipt of a pending exemptive order from the Securities and
Exchange Commission, the Trust will pay each of its Trustees who is not an
employee, officer or director of the Manager, AIM Distributors or GT Services
$5,000 per year plus $300 for each meeting of the board or any committee thereof
attended by the Trustees. Until such order is received, the Manager and/or the
sub-adviser pay(s) to the Trustees such fees.
3. PURCHASES AND SALES
For the period ended June 30, 1998, purchases and sales, other than short-term
investments, of the Underlying Theme Funds by the Fund, are as follows:
 
<TABLE>
<CAPTION>
AIM GLOBAL                                                                        PURCHASES     SALES
- --------------------------------------------------------------------------------  ----------  ----------
<S>                                                                               <C>         <C>
Consumer Products and Services Fund.............................................  $5,179,719  $1,089,057
Telecommunications Fund.........................................................   1,641,048      85,582
Financial Services Fund.........................................................   3,617,497     416,342
Resources Fund..................................................................   2,525,006     107,153
Health Care Fund................................................................   2,302,078      95,138
Infrastructure Fund.............................................................   2,847,442     190,249
</TABLE>
 
4. CAPITAL SHARES
At June 30, 1998, there were an unlimited number of shares of beneficial
interest authorized, at no par value. Transactions in capital shares of the Fund
were as follows:
 
<TABLE>
<CAPTION>
                                                                                               SEPTEMBER 15, 1997
                                                                         SIX MONTHS ENDED       (COMMENCEMENT OF
                                                                           JUNE 30, 1998           OPERATIONS)
                                                                            (UNAUDITED)       TO DECEMBER 31, 1997
                                                                       ---------------------  ---------------------
CLASS A                                                                 SHARES      AMOUNT     SHARES      AMOUNT
- ---------------------------------------------------------------------  ---------  ----------  ---------  ----------
<S>                                                                    <C>        <C>         <C>        <C>
Shares sold..........................................................    845,570  $9,536,511  1,560,835  $17,768,084
Shares issued in connection with reinvestment of distributions.......         --          --     54,891     563,181
                                                                       ---------  ----------  ---------  ----------
                                                                         845,570   9,536,511  1,615,726  18,331,265
Shares repurchased...................................................   (248,048) (2,841,185)  (194,494) (2,190,806)
                                                                       ---------  ----------  ---------  ----------
Net increase.........................................................    597,522  $6,695,326  1,421,232  $16,140,459
                                                                       ---------  ----------  ---------  ----------
                                                                       ---------  ----------  ---------  ----------
                                                                                               SEPTEMBER 15, 1997
                                                                         SIX MONTHS ENDED       (COMMENCEMENT OF
                                                                           JUNE 30, 1998           OPERATIONS)
                                                                            (UNAUDITED)       TO DECEMBER 31, 1997
                                                                       ---------------------  ---------------------
CLASS B                                                                 SHARES      AMOUNT     SHARES      AMOUNT
- ---------------------------------------------------------------------  ---------  ----------  ---------  ----------
Shares sold..........................................................  1,102,205  $12,382,297 1,832,668  $20,681,472
Shares issued in connection with reinvestment of distributions.......         --          --     67,039     687,825
                                                                       ---------  ----------  ---------  ----------
                                                                       1,102,205  12,382,297  1,899,707  21,369,297
Shares repurchased...................................................   (325,914) (3,715,229)   (96,841) (1,061,266)
                                                                       ---------  ----------  ---------  ----------
Net increase.........................................................    776,291  $8,667,068  1,802,866  $20,308,031
                                                                       ---------  ----------  ---------  ----------
                                                                       ---------  ----------  ---------  ----------
                                                                                                 NOT APPLICABLE
                                                                                                 (THE FUND BEGAN
                                                                         SIX MONTHS ENDED       OFFERING CLASS C
                                                                           JUNE 30, 1998      SHARES ON JANUARY 1,
                                                                            (UNAUDITED)               1998)
                                                                       ---------------------  ---------------------
CLASS C                                                                 SHARES      AMOUNT     SHARES      AMOUNT
- ---------------------------------------------------------------------  ---------  ----------  ---------  ----------
Shares sold..........................................................     25,666  $  288,227         --  $       --
Shares issued in connection with reinvestment of distributions.......         --          --         --          --
                                                                       ---------  ----------  ---------  ----------
                                                                          25,666     288,227         --          --
Shares repurchased...................................................     (3,042)    (34,523)        --          --
                                                                       ---------  ----------  ---------  ----------
Net increase.........................................................     22,624  $  253,704         --  $       --
                                                                       ---------  ----------  ---------  ----------
                                                                       ---------  ----------  ---------  ----------
                                                                                               SEPTEMBER 15, 1997
                                                                         SIX MONTHS ENDED       (COMMENCEMENT OF
                                                                           JUNE 30, 1998           OPERATIONS)
                                                                            (UNAUDITED)       TO DECEMBER 31, 1997
                                                                       ---------------------  ---------------------
ADVISOR CLASS                                                           SHARES      AMOUNT     SHARES      AMOUNT
- ---------------------------------------------------------------------  ---------  ----------  ---------  ----------
Shares sold..........................................................     23,229  $  253,432    113,102  $1,276,664
Shares issued in connection with reinvestment of distributions.......         --          --      5,102      52,402
                                                                       ---------  ----------  ---------  ----------
                                                                          23,229     253,432    118,204   1,329,066
Shares repurchased...................................................    (20,324)   (228,912)    (4,533)    (48,416)
                                                                       ---------  ----------  ---------  ----------
Net increase.........................................................      2,905  $   24,520    113,671  $1,280,650
                                                                       ---------  ----------  ---------  ----------
                                                                       ---------  ----------  ---------  ----------
</TABLE>
 
                                       FS-9
<PAGE>   80
                          GT GLOBAL NEW DIMENSION FUND
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
- --------------------------------------------------------------------------------
 
To the Shareholders of GT Global New Dimension Fund and
Board of Trustees of GT Global Series Trust:
 
We have audited the accompanying statement of assets and liabilities of GT
Global New Dimension Fund (the "Fund"), including the portfolio of investments,
as of December 31, 1997, the related statement of operations, the statement of
changes in net assets, and the financial highlights for the period from
September 15, 1997 (commencement of operations) to December 31, 1997. These
financial statements and the financial highlights are the responsibility of the
Fund's management. Our responsibility is to express an opinion on these
financial statements and the financial highlights based on our audits.
 
We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and the financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities owned as of
December 31, 1997, by correspondence with the custodian. An audit also includes
assessing the accounting principles used and significant estimates made by
management, as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.
 
In our opinion, the financial statements and the financial highlights referred
to above present fairly, in all material respects, the financial position of GT
Global New Dimension Fund as of December 31, 1997, the results of its
operations, the changes in its net assets, and the financial highlights for the
period from September 15, 1997 (commencement of operations) to December 31,
1997, in conformity with generally accepted accounting principles.
 
                                                        COOPERS & LYBRAND L.L.P.
 
BOSTON, MASSACHUSETTS
FEBRUARY 17, 1998
 
                                       FS-10
<PAGE>   81
                          GT GLOBAL NEW DIMENSION FUND
 
                            PORTFOLIO OF INVESTMENTS
 
                               December 31, 1997
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                            ADVISOR
                                                                             CLASS         VALUE         % OF NET
GT GLOBAL THEME FUNDS                                                       SHARES        (NOTE 1)        ASSETS
- -------------------------------------------------------------             -----------   ------------   -------------
<S>                                                            <C>        <C>           <C>            <C>
  GT Global Consumer Products and Services Fund .............                 515,881   $ 11,204,937        31.5
  GT Global Financial Services Fund .........................                 426,322      7,499,007        21.1
  GT Global Infrastructure Fund .............................                 388,281      5,886,334        16.6
  GT Global Natural Resources Fund ..........................                 240,790      4,054,907        11.4
  GT Global Health Care Fund ................................                 162,161      3,278,897         9.2
  GT Global Telecommunications Fund .........................                 185,442      3,089,470         8.7
                                                                                        ------------       -----
 
TOTAL THEME FUND INVESTMENTS (cost $37,807,948) .............                             35,013,552        98.5
                                                                                        ------------       -----
 
<CAPTION>
 
REPURCHASE AGREEMENT
- -------------------------------------------------------------
<S>                                                            <C>        <C>           <C>            <C>
  Dated December 31, 1997, with State Street Bank & Trust
   Co., due January 2, 1998, for an effective yield of 5.80%,
   collateralized by $445,000 U.S. Treasury Notes, 5.75% due
   12/31/98 (market value of collateral is $445,417,
   including accrued interest). (cost $432,000)  ............                                432,000         1.2
                                                                                        ------------       -----
 
TOTAL INVESTMENTS (cost $38,239,948)  * .....................                             35,445,552        99.7
Other Assets and Liabilities ................................                                123,462         0.3
                                                                                        ------------       -----
 
NET ASSETS ..................................................                           $ 35,569,014       100.0
                                                                                        ------------       -----
                                                                                        ------------       -----
</TABLE>
 
- --------------
 
          *  For Federal income tax purposes, cost is $38,277,690 and
             appreciation (depreciation) is as follows:
 
<TABLE>
                 <S>                              <C>
                 Unrealized appreciation:         $          --
                 Unrealized depreciation:            (2,832,138)
                                                  -------------
                 Net unrealized depreciation:     $  (2,832,138)
                                                  -------------
                                                  -------------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-11
<PAGE>   82
                          GT GLOBAL NEW DIMENSION FUND
 
                              STATEMENT OF ASSETS
                                 AND LIABILITIES
                               December 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                                        <C>        <C>
Assets:
  Investments at value (cost $38,239,948) (Note 1)..................................................  $35,445,552
  U.S. currency.....................................................................................         113
  Receivable for Fund shares sold...................................................................     929,466
  Interest receivable...............................................................................          70
                                                                                                      ----------
    Total assets....................................................................................  36,375,201
                                                                                                      ----------
Liabilities:
  Payable for investments purchased.................................................................     432,113
  Payable for Fund shares repurchased...............................................................     352,532
  Payable for service and distribution expenses (Note 2)............................................      21,542
                                                                                                      ----------
    Total liabilities...............................................................................     806,187
                                                                                                      ----------
Net assets..........................................................................................  $35,569,014
                                                                                                      ----------
                                                                                                      ----------
Class A:
Net asset value and redemption price per share ($15,144,662 DIVIDED BY 1,424,148 shares
 outstanding).......................................................................................  $    10.63
                                                                                                      ----------
                                                                                                      ----------
Maximum offering price per share (100/95.25 of $10.63) *............................................  $    11.16
                                                                                                      ----------
                                                                                                      ----------
Class B:+
Net asset value and offering price per share ($19,183,648 DIVIDED BY 1,805,781 shares
 outstanding).......................................................................................  $    10.62
                                                                                                      ----------
                                                                                                      ----------
Advisor Class:
Net asset value, offering price per share, and redemption price per share ($1,240,704 DIVIDED BY
 116,587 shares outstanding)........................................................................  $    10.64
                                                                                                      ----------
                                                                                                      ----------
Net assets consist of:
  Paid in capital (Note 4)..........................................................................  $37,829,140
  Undistributed net investment income...............................................................      28,710
  Accumulated net undistributed gain................................................................     505,560
  Net unrealized depreciation of investments........................................................  (2,794,396)
                                                                                                      ----------
Total -- representing net assets applicable to capital shares outstanding...........................  $35,569,014
                                                                                                      ----------
                                                                                                      ----------
<FN>
- --------------
   * On sales of $50,000 or more, the offering price is reduced.
   + Redemption price per share is equal to the net asset value per share less
     any applicable contingent deferred sales charge.
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-12
<PAGE>   83
                          GT GLOBAL NEW DIMENSION FUND
 
                            STATEMENT OF OPERATIONS
 
      September 15, 1997 (commencement of operations) to December 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                                <C>         <C>
Investment income: (Note 1)
  Interest income............................................................................  $    8,216
                                                                                               ----------
    Total investment income..................................................................       8,216
                                                                                               ----------
Expenses:
  Service and distribution expenses: (Note 2)
    Class A......................................................................  $   11,800
    Class B......................................................................      27,856
                                                                                   ----------
  Total expenses.............................................................................      39,656
                                                                                               ----------
Net investment loss..........................................................................     (31,440)
                                                                                               ----------
Net realized and unrealized gain (loss) on investments: (Note 1)
  Net realized loss on investments...............................................     (37,742)
  Capital gain distributions received............................................   2,021,395
                                                                                   ----------
    Net realized gain during the period......................................................   1,983,653
    Net change in unrealized depreciation during the period..................................  (2,794,396)
                                                                                               ----------
Net realized and unrealized loss on investments..............................................    (810,743)
                                                                                               ----------
Net decrease in net assets resulting from operations.........................................  $ (842,183)
                                                                                               ----------
                                                                                               ----------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-13
<PAGE>   84
                          GT GLOBAL NEW DIMENSION FUND
 
                       STATEMENT OF CHANGES IN NET ASSETS
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
<S>                                                                                         <C>
                                                                                            SEPTEMBER 15,
                                                                                                 1997
                                                                                            (COMMENCEMENT
                                                                                            OF OPERATIONS)
                                                                                                  TO
                                                                                             DECEMBER 31,
                                                                                                 1997
                                                                                            --------------
Increase in net assets
Operations:
  Net investment loss.....................................................................   $    (31,440)
  Net realized gain on investments........................................................      1,983,653
  Net change in unrealized depreciation of investments....................................     (2,794,396)
                                                                                            --------------
    Net decrease in net assets resulting from operations..................................       (842,183)
                                                                                            --------------
Class A:
Distributions to shareholders: (Note 1)
  In excess of net investment income......................................................       (583,714)
Class B:
Distributions to shareholders: (Note 1)
  In excess of net investment income......................................................       (781,183)
Advisor Class:
Distributions to shareholders: (Note 1)
  In excess of net investment income......................................................        (53,046)
                                                                                            --------------
    Total distributions...................................................................     (1,417,943)
                                                                                            --------------
Capital share transactions: (Note 4)
  Increase from capital shares sold and reinvested........................................     41,029,628
  Decrease from capital shares repurchased................................................     (3,300,488)
                                                                                            --------------
    Net increase from capital share transactions..........................................     37,729,140
                                                                                            --------------
Total increase in net assets..............................................................     35,469,014
Net assets:
  Beginning of period.....................................................................        100,000
                                                                                            --------------
  End of period *.........................................................................   $ 35,569,014
                                                                                            --------------
                                                                                            --------------
 * Includes undistributed net investment income of........................................   $     28,710
                                                                                            --------------
                                                                                            --------------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-14
<PAGE>   85
                          GT GLOBAL NEW DIMENSION FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding,
total investment return, ratios and supplemental data. This information has been
derived from information provided in the financial statements and market price
data for the shares.
 
<TABLE>
<CAPTION>
                                                         SEPTEMBER 15, 1997
                                                    (COMMENCEMENT OF OPERATIONS)
                                                        TO DECEMBER 31, 1997
                                          ------------------------------------------------
                                           CLASS A (D)     CLASS B (D)    ADVISOR CLASS(D)
                                          -------------   -------------   ----------------
<S>                                       <C>             <C>             <C>
Per Share Operating Performance:
Net asset value, beginning of period....   $ 11.43         $ 11.43            $11.43
                                          -------------   -------------     --------
Income from investment operations:
  Net investment income (loss)..........     (0.01)          (0.02)             0.01
  Net realized and unrealized loss on
   investments..........................     (0.31)          (0.32)            (0.31)
                                          -------------   -------------     --------
    Net decrease from investment
     operations.........................     (0.32)          (0.34)            (0.30)
                                          -------------   -------------     --------
Distributions to shareholders:
  In excess of net investment income....     (0.48)          (0.47)            (0.49)
                                          -------------   -------------     --------
    Total distributions.................     (0.48)          (0.47)            (0.49)
                                          -------------   -------------     --------
Net asset value, end of period..........   $ 10.63         $ 10.62            $10.64
                                          -------------   -------------     --------
                                          -------------   -------------     --------
 
Total investment return (c).............     (2.68)% (b)     (2.83)% (b)       (2.51)% (b)
Ratios and supplemental data:
Net assets, end of period (in 000's)....   $15,145         $19,184            $1,241
Ratio of net investment income (loss) to
 average net assets.....................     (0.35)% (a)     (0.85)% (a)        0.15% (a)
Ratio of expenses to average net assets
 (Notes 1 & 5)..........................      0.50% (a)       1.00% (a)         0.00% (a)
Portfolio turnover rate+................         1% (b)          1% (b)            1% (b)
</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.
  +  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
 
    The accompanying notes are an integral part of the financial statements.
 
                                       FS-15
<PAGE>   86
                          GT GLOBAL NEW DIMENSION FUND
 
                                    NOTES TO
                              FINANCIAL STATEMENTS
                               December 31, 1997
 
- --------------------------------------------------------------------------------
 
1. SIGNIFICANT ACCOUNTING POLICIES
GT Global New Dimension Fund ("Fund") is a diversified series of GT Global
Series Trust (the "Trust"). The Trust is organized as a Massachusetts business
trust and is registered under the Investment Company Act of 1940, as amended
("1940 Act"), as an open-end management investment company. The Fund invests
substantially all of its assets in Advisor Class shares of the GT Global theme
mutual funds: 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; and GT Global Telecommunications Fund
(collectively, the "Underlying Theme Funds").
 
The Fund offers Class A, Class B and Advisor Class shares, each of which has
equal rights as to assets and voting privileges. Class A and Class B each has
exclusive voting rights with respect to its distribution plan. Investment
income, realized and unrealized capital gains and losses of the Fund are
allocated on a pro rata basis to each Class based on the relative net assets of
each Class to the total net assets of the Fund. Each Class of shares differs in
its respective service and distribution expenses. Beginning January 1, 1998, the
Fund will also offer Class C shares.
 
The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities and disclosure of
contingent assets and liabilities at the date of the financial statements and
the reported amounts of income and expenses during the reporting period. Actual
results could differ from those estimates. The following is a summary of
significant accounting policies in conformity with generally accepted accounting
principles consistently followed by the Funds in the preparation of the
financial statements.
 
(A) PORTFOLIO VALUATION
The Fund calculates the net asset value of and completes orders to purchase,
exchange or repurchase Fund shares on each business day, with the exception of
those days on which the New York Stock Exchange is closed.
 
Investments in the Underlying Funds are valued at the closing net asset value
per Advisor Class share of each Underlying Fund on the day of valuation.
Short-term investments with a maturity of 60 days or less are valued at
amortized cost.
 
(B) REPURCHASE AGREEMENTS
With respect to repurchase agreements entered into by the Fund, it is the Fund's
policy to always receive, as collateral, United States government securities or
other high quality debt securities of which the value, including accrued
interest, is at least equal to the amount to be repaid to the Fund under each
agreement at its maturity.
 
(C) TAXES
It is the policy of the Fund to meet the requirements for qualification as a
"regulated investment company" under the Internal Revenue Code of 1986, as
amended ("Code"). It is also the intention of the Fund to make distributions
sufficient to avoid imposition of any excise tax under Section 4982 of the Code.
Therefore, no provision has been made for Federal taxes on income, capital
gains, or unrealized appreciation of securities held, and excise tax on income
and capital gains.
 
(D) DISTRIBUTIONS TO SHAREHOLDERS
Distributions to shareholders are recorded by the Fund on the ex-date. Income
and capital gain distributions are determined in accordance with Federal income
tax regulations which may differ from generally accepted accounting principles.
These differences are primarily due to differing treatments of income and gains
on various investment securities held by the Fund and timing differences.
 
(E) LINE OF CREDIT
The Fund, along with certain other funds ("GT Funds") advised and/or
administered by the Manager, has a line of credit with BankBoston and State
Street Bank & Trust Company. The arrangements with the banks allow the Fund and
the GT Funds to borrow an aggregate maximum amount of $250,000,000. The Fund is
limited to borrowing up to 33 1/3% of the value of the Fund's total assets. For
the period ended December 31, 1997, the Fund had no outstanding loan balance.
 
2. RELATED PARTIES
Chancellor LGT Asset Management, Inc. is the Fund's investment manager and
administrator. The Manager is also the pricing and accounting agent for the
Fund. The Manager will initially assume all costs of the Fund's operation,
except for service and distribution fees as described below and non-recurring
and extraordinary expenses. The Fund, as a shareholder in the Underlying Theme
Funds, indirectly will bear its proportionate share of any investment management
fees and other expenses paid by the Underlying Theme Funds. Subject to receipt
of a pending exemptive order from the Securities and Exchange Commission, the
Trust, on behalf of the Fund, will enter into a Special Servicing Agreement
("Agreement") with the Underlying Theme Funds, the Manager and GT Global
Investor Services, Inc., the transfer agent. If the Board of Trustees of the
Underlying Theme Funds makes certain findings, each Underlying Theme Fund will
pay certain nondistribution-related expenses of the Fund to the extent such
expenses are less than the estimated savings to the Underlying Theme Funds from
the operation of the Fund. The Manager and GT Global also voluntarily have
undertaken to limit the Underlying Theme Fund's expenses (exclusive of brokerage
commissions, taxes, interest, and extraordinary expenses) to the maximum annual
rate of 1.50% of the average daily net assets of the Underlying Theme Fund's
Advisor Class shares.
 
                                       FS-16
<PAGE>   87
                          GT GLOBAL NEW DIMENSION FUND
 
GT Global, Inc. ("GT Global"), an affiliate of the Manager, serves as the Fund's
distributor. The Fund offers Class A, Class B and Advisor Class shares for
purchase and will offer Class C shares for purchase beginning January 1, 1998.
 
Class A shares are subject to initial sales charges imposed at the time of
purchase, in accordance with the schedule included in the Fund's current
prospectus. GT Global collects the sales charges imposed on sales of Class A
shares, and reallows a portion of such charges to dealers through which the
sales are made. For the period from September 15, 1997 (commencement of
operations) to December 31, 1997, GT Global retained $6,174 of such sales
charges. Purchases of Class A shares exceeding $500,000 may be subject to a
contingent deferred sales charge ("CDSC") upon redemption, in accordance with
the Fund's current prospectus. GT Global collected no CDSCs for the period from
September 15, 1997 (commencement of operations) to December 31, 1997. GT Global
also makes ongoing shareholder servicing and trail commission payments to
dealers whose clients hold Class A shares.
 
Class B shares are not subject to initial sales charges. When Class B shares are
sold, GT Global from its own resources pays commissions to dealers through which
the sales are made. Certain redemptions of Class B shares made within six years
of purchase are subject to CDSCs, in accordance with the Fund's current
prospectus. For the period from September 15, 1997 (commencement of operations)
to December 31, 1997, GT Global collected CDSCs in the amount of $1,902. In
addition, GT Global makes ongoing shareholder servicing and trail commission
payments to dealers whose clients hold Class B shares.
 
Class C shares will not be subject to initial sales charges. However, certain
redemptions of Class C shares made within one year of purchase will be subject
to CDSCs. In addition, GT Global will make ongoing shareholder servicing and
trail commission payments to dealers whose clients hold Class C shares.
 
Pursuant to Rule 12b-1 under the 1940 Act, the Trust's Board of Trustees has
adopted separate distribution plans with respect to the Fund's Class A shares
("Class A Plan") and Class B shares ("Class B Plan"), pursuant to which the Fund
reimburses GT Global for a portion of its shareholder servicing and distribution
expenses. Under the Class A Plan, the Fund may pay GT Global a service fee at
the annualized rate of up to 0.25% of the average daily net assets of the Fund's
Class A shares for GT Global's expenditures incurred in servicing and
maintaining shareholder accounts, and may pay GT Global a distribution fee at
the annualized rate of up to 0.50% of the average daily net assets of the Fund's
Class A shares, less any amounts paid by the Fund as the aforementioned service
fee, for GT Global's expenditures incurred in providing services as distributor.
All expenses for which GT Global is reimbursed under the Class A Plan will have
been incurred within one year of such reimbursement.
 
Pursuant to the Fund's Class B Plan, the Fund may pay GT Global a service fee at
the annualized rate of up to 0.25% of the average daily net assets of the Fund's
Class B shares for GT Global's expenditures incurred in servicing and
maintaining shareholder accounts, and may pay GT Global a distribution fee at
the annualized rate of up to 0.75% of the average daily net assets of the Fund's
Class B shares for GT Global's expenditures incurred in providing services as
distributor. Expenses incurred under the Class B Plan in excess of 1.00%
annually may be carried forward for reimbursement in subsequent years as long as
that Plan continues in effect. Class C shares will also be subject to a separate
distribution plan adopted by the Trust's Board of Trustees pursuant to Rule
12b-1 under the 1940 Act.
 
GT Global Investor Services, Inc. ("GT Services"), an affiliate of the Manager
and GT Global, is the transfer agent of the Fund. For performing shareholder
servicing, reporting, and general transfer agent services, GT Services 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. GT Services is also reimbursed for
its out-of-pocket expenses for such items as postage, forms, telephone charges,
stationery and office supplies.
 
The Trust pays each of its Trustees who is not an employee, officer or director
of the Manager, GT Global or GT Services $5,000 per year plus $300 for each
meeting of the board or any committee thereof attended by the Trustee.
 
3. PURCHASES AND SALES
For the period from September 15, 1997 (commencement of operations) to December
31, 1997, purchases and sales, other than short-term investments, of the
Underlying Theme Funds by the Fund, are as follows:
 
<TABLE>
<CAPTION>
GT GLOBAL                                                                            PURCHASES       SALES
- --------------------------------------------------------------------------------  ---------------  ----------
<S>                                                                               <C>              <C>
Consumer Products and Services Fund.............................................  $    11,777,579  $   80,882
Telecommunications Fund.........................................................        3,462,408      23,798
Financial Services Fund.........................................................        7,690,319      53,175
Natural Resources Fund..........................................................        4,847,276      32,530
Health Care Fund................................................................        4,192,022      26,247
Infrastructure Fund.............................................................        6,136,745      44,025
</TABLE>
 
                                       FS-17
<PAGE>   88
                          GT GLOBAL NEW DIMENSION FUND
 
4. CAPITAL SHARES
At December 31, 1997, there were an unlimited number of shares of beneficial
interest authorized, at no par value. Transactions in capital shares of the Fund
were as follows:
 
                           CAPITAL SHARE TRANSACTIONS
<TABLE>
<CAPTION>
                                                  SEPTEMBER 15, 1997
                                             (COMMENCEMENT OF OPERATIONS)
                                                 TO DECEMBER 31, 1997
                                          -----------------------------------
CLASS A                                       SHARES             AMOUNT
- ----------------------------------------  ---------------  ------------------
<S>                                       <C>              <C>
Shares sold.............................        1,560,835  $       17,768,084
Shares issued in connection with
  reinvestment of distributions.........           54,891             563,181
                                          ---------------  ------------------
                                                1,615,726          18,331,265
Shares repurchased......................         (194,494)         (2,190,806)
                                          ---------------  ------------------
Net increase............................        1,421,232  $       16,140,459
                                          ---------------  ------------------
                                          ---------------  ------------------
 
<CAPTION>
 
                                                  SEPTEMBER 15, 1997
                                             (COMMENCEMENT OF OPERATIONS)
                                                 TO DECEMBER 31, 1997
                                          -----------------------------------
CLASS B                                       SHARES             AMOUNT
- ----------------------------------------  ---------------  ------------------
<S>                                       <C>              <C>
Shares sold.............................        1,832,668  $       20,681,472
Shares issued in connection with
  reinvestment of distributions.........           67,039             687,825
                                          ---------------  ------------------
                                                1,899,707          21,369,297
Shares repurchased......................          (96,841)         (1,061,266)
                                          ---------------  ------------------
Net increase............................        1,802,866  $       20,308,031
                                          ---------------  ------------------
                                          ---------------  ------------------
<CAPTION>
 
                                                  SEPTEMBER 15, 1997
                                             (COMMENCEMENT OF OPERATIONS)
                                                 TO DECEMBER 31, 1997
                                          -----------------------------------
ADVISOR CLASS                                 SHARES             AMOUNT
- ----------------------------------------  ---------------  ------------------
<S>                                       <C>              <C>
Shares sold.............................          113,102  $        1,276,664
Shares issued in connection with
  reinvestment of distributions.........            5,102              52,402
                                          ---------------  ------------------
                                                  118,204           1,329,066
Shares repurchased......................           (4,533)            (48,416)
                                          ---------------  ------------------
Net increase............................          113,671  $        1,280,650
                                          ---------------  ------------------
                                          ---------------  ------------------
</TABLE>
 
5. SUBSEQUENT EVENT
On January 30, 1998, Liechtenstein Global Trust ("LGT") and AMVESCAP PLC
("AMVESCAP") entered into an agreement by which AMVESCAP will acquire LGT's
Asset Management Division, including Chancellor LGT Asset Management, Inc.
AMVESCAP is the holding company of the AIM and INVESCO asset management
businesses.
 
                                       FS-18



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