G T INVESTMENT FUNDS INC
497, 1998-02-27
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<PAGE>
                            GT GLOBAL INCOME FUNDS:
                                 ADVISOR CLASS
                          PROSPECTUS -- MARCH 1, 1998
- --------------------------------------------------------------------------------
 
GT GLOBAL GOVERNMENT INCOME FUND ("GOVERNMENT INCOME FUND") seeks a high level
of current income by investing primarily in high quality U.S. and foreign
government debt securities. The Fund's secondary objectives are capital
appreciation and protection of principal through active management of its
maturity structure and currency exposure.
 
GT GLOBAL STRATEGIC INCOME FUND ("STRATEGIC INCOME FUND") primarily seeks high
current income and secondarily seeks capital appreciation. The Fund allocates
its assets among debt securities of issuers in: (1) the United States; (2)
developed foreign countries; and (3) emerging markets.
 
GT GLOBAL HIGH INCOME FUND ("HIGH INCOME FUND") primarily seeks high current
income and secondarily seeks capital appreciation by investing all of its
investable assets in the Global High Income Portfolio ("Portfolio"), which, in
turn, invests primarily in the debt securities of issuers located in emerging
markets. The Portfolio's investment objectives are identical to those of the
Fund.
 
There can be no assurance that any Fund or the Portfolio will achieve its
investment objectives. The investment experience of the High Income Fund will
correspond directly with the investment experience of the Portfolio.
 
FUND SHARES ARE NOT DEPOSITS OR OBLIGATIONS OF, OR ENDORSED OR GUARANTEED BY,
ANY BANK, NOR ARE THEY FEDERALLY INSURED OR OTHERWISE PROTECTED BY THE FEDERAL
DEPOSIT INSURANCE CORPORATION, THE FEDERAL RESERVE BOARD, OR ANY OTHER AGENCY.
 
The Funds and the Portfolio are managed and/or administered by Chancellor LGT
Asset Management, Inc. (the "Manager"). The Manager and its worldwide affiliates
are part of the Liechtenstein Global Trust, a global provider of asset
management and private banking products and services to individual and
institutional investors.
 
The Funds are designed for long-term investors and not as trading vehicles, do
not represent a complete investment program and are not suitable for all
investors. An investment in any of the Funds involves risk factors that should
be reviewed carefully by potential investors. The Strategic Income Fund and the
Portfolio both are authorized to borrow money for investment purposes, which
would increase the volatility of their performance and involves additional
risks. See "Investment Objectives and Policies" and "Risk Factors."
 
THE STRATEGIC INCOME FUND INVESTS UP TO 50% OF ITS TOTAL ASSETS, AND THE
PORTFOLIO INVESTS UP TO 100% OF ITS TOTAL ASSETS, IN LOWER QUALITY AND UNRATED
FOREIGN GOVERNMENT BONDS WHOSE CREDIT QUALITY IS GENERALLY CONSIDERED THE
EQUIVALENT OF U.S. CORPORATE DEBT SECURITIES COMMONLY KNOWN AS "JUNK BONDS."
INVESTMENTS OF THIS TYPE ARE SUBJECT TO A GREATER RISK OF LOSS OF PRINCIPAL AND
INTEREST. PURCHASERS SHOULD CAREFULLY ASSESS THE RISKS ASSOCIATED WITH AN
INVESTMENT IN THESE FUNDS. SEE "INVESTMENT OBJECTIVES AND POLICIES" AND "RISK
FACTORS."
 
Shares offered by this Prospectus are available for purchase only by certain
investors and are offered at net asset value without the imposition of a front-
end or contingent deferred sales charge or Rule 12b-1 fees.
 
This Prospectus sets forth concisely information an investor should know before
investing and should be read carefully and retained for future reference. A
Statement of Additional Information, dated March 1, 1998, has been filed with
the Securities and Exchange Commission ("SEC") and, as supplemented or amended
from time to time, is incorporated herein by reference. The Statement of
Additional Information is available without charge by writing to the Funds at 50
California Street, 27th Floor, San Francisco, CA 94111, or by calling (800)
824-1580. It is also available, along with other related materials, on the SEC's
Internet web site (http://www.sec.gov).
 
FOR FURTHER INFORMATION, CALL (800) 824-1580 OR CONTACT YOUR FINANCIAL ADVISER.
 
                                     [LOGO]
- --------------------------------------------------------------------------------
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
 AND EXCHANGE COMMISSION, NOR HAS THE SECURITIES AND EXCHANGE COMMISSION
   PASSED ON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS.
              ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
                               Prospectus Page 1
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               TABLE OF CONTENTS
- ------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                              Page
                                                                                            ---------
<S>                                                                                         <C>
Prospectus Summary........................................................................          3
Financial Highlights......................................................................          6
Investment Objectives and Policies........................................................         12
Risk Factors..............................................................................         21
How to Invest.............................................................................         27
How to Make Exchanges.....................................................................         29
How to Redeem Shares......................................................................         30
Shareholder Account Manual................................................................         32
Calculation of Net Asset Value............................................................         33
Dividends, Other Distributions and Federal Income Taxation................................         34
Management................................................................................         35
Other Information.........................................................................         38
Appendix A -- Description of Debt Ratings.................................................         41
</TABLE>
 
                               Prospectus Page 2
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
- ------------------------------------------------------------
The following summary is qualified in its entirety by the more detailed
information appearing in the body of this Prospectus. Cross-references in the
summary are to headings in the body of this Prospectus.
 
<TABLE>
<S>                            <C>                               <C>
The Funds and the Portfolio:   Each Fund is a non-diversified series of G.T. Investment Funds,
                               Inc. (the "Company"). The Portfolio is a non-diversified, open-end
                               management investment company.
Investment Objectives:         The Government Income Fund primarily seeks high current income and
                               secondarily seeks capital appreciation and protection of
                               principal. The Strategic Income Fund and the High Income Fund
                               primarily seek high current income and secondarily seek capital
                               appreciation.
Principal Investments:         The Government Income Fund invests primarily in high quality U.S.
                               and foreign government debt obligations.
                               The Strategic Income Fund allocates its assets among debt
                               securities of issuers in: (1) the United States; (2) developed
                               foreign countries; and (3) emerging markets, and selects
                               particular securities in each sector based on their relative
                               investment merit.
                               The High Income Fund invests all of its investable assets in the
                               Portfolio, which, in turn, invests primarily in debt securities of
                               issuers located in emerging markets.
Principal Risk Factors:        There is no assurance that the Funds or the Portfolio will achieve
                               their investment objectives. Each Fund's net asset value will
                               fluctuate, reflecting fluctuations in the market value of its or
                               its corresponding Portfolio's portfolio holdings. The value of
                               debt securities held by the Government Income Fund, Strategic
                               Income Fund and Portfolio generally fluctuates with interest rate
                               movements.
                               The Government Income Fund, Strategic Income Fund and Portfolio
                               will invest in foreign securities. Investments in foreign
                               securities involve risks relating to political and economic
                               developments abroad and the differences between the regulations to
                               which U.S. and foreign issuers are subject. Individual foreign
                               economies also may differ favorably or unfavorably from the U.S.
                               economy. Changes in foreign currency exchange rates will affect a
                               Fund's or the Portfolio's net asset value, earnings and gains and
                               losses realized on sales of securities. Securities of foreign
                               companies may be less liquid and their prices more volatile than
                               those of securities of comparable U.S. companies. The Portfolio
                               will normally invest at least 65% of its total assets in debt
                               securities of issuers in emerging markets and the Strategic Income
                               Fund may invest in such securities. Such investments entail
                               greater risk than investing in securities of issuers in developed
                               markets.
                               The Government Income Fund, Strategic Income Fund and Portfolio
                               may engage in certain foreign currency, options and futures
                               transactions to attempt to hedge against the overall level of
                               investment and currency risk associated with its present or
                               planned investments. Such transactions involve certain risks and
                               transaction costs.
</TABLE>
 
                               Prospectus Page 3
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
<TABLE>
<S>                            <C>                               <C>
                               The Strategic Income Fund may invest up to 50% of its total
                               assets, and the Portfolio may invest up to 100% of its total
                               assets, in debt securities rated below investment grade or, if not
                               rated, determined by the Manager to be of comparable quality.
                               Investments of this type are subject to greater risk of loss of
                               principal and interest.
                               See "Investment Objectives and Policies" and "Risk Factors."
Investment Manager:            The Manager is part of Liechtenstein Global Trust, a provider of
                               global asset management and private banking products and services
                               to individual and institutional investors, entrusted with
                               approximately $79 billion in total assets as of December 31, 1997.
                               The Manager and its worldwide asset management affiliates maintain
                               investment offices in Frankfurt, Hong Kong, London, New York, San
                               Francisco, Singapore, Sydney, Tokyo and Toronto. See "Management."
                               Advisor Class shares are offered through a separate Prospectus to
Advisor Class Shares:          (a) trustees or other fiduciaries purchasing shares for employee
                               benefit plans which are sponsored by organizations which have at
                               least 1,000 employees; (b) any account with assets of at least
                               $10,000 if (i) a financial planner, trust company, bank trust
                               department or registered investment adviser has investment
                               discretion over such account, and (ii) the account holder pays
                               such person as compensation for its advice and other services an
                               annual fee of at least .50% on the assets in the account; (c) any
                               account with assets of a least $10,000 if (i) such account is
                               established under a "wrap fee" program, and (ii) the account
                               holder pays the sponsor of such program an annual fee of at least
                               .50% on the assets in the account; (d) accounts advised by one of
                               the companies composing or affiliated with Liechtenstein Global
                               Trust; and (e) any of the companies composing or affiliated with
                               Liechtenstein Global Trust.
Shares Available Through:      Advisor Class shares of each Fund are available through Financial
                               Advisers (as defined herein) that have entered into agreements
                               with the Funds' distributor, GT Global, Inc. ("GT Global") or
                               certain of its affiliates. See "How to Invest" and "Shareholder
                               Account Manual."
Exchange Privileges:           Advisor Class shares may only be exchanged for Advisor Class
                               shares of other GT Global Mutual Funds, which are open-end
                               management investment companies advised and/or administered by the
                               Manager. See "How to Make Exchanges" and "Shareholder Account
                               Manual."
Redemptions:                   Shares may be redeemed through the Funds' transfer agent, GT
                               Global Investor Services, Inc. ("Transfer Agent"). See "How to
                               Redeem Shares" and "Shareholder Account Manual."
Dividends and Other            Dividends are paid monthly from net investment income; other
  Distributions:               distributions are paid annually from net short term capital gain,
                               net capital gain and net gains from foreign currency transactions,
                               if any.
 
Reinvestment:                  Dividends and other distributions may be reinvested automatically
                               in Advisor Class shares of the distributing Fund or in Advisor
                               Class shares of other GT Global Mutual Funds.
</TABLE>
 
                               Prospectus Page 4
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               PROSPECTUS SUMMARY
                                  (Continued)
- --------------------------------------------------------------------------------
 
SUMMARY OF INVESTOR COSTS. The expenses and maximum transaction costs associated
with investing in the Advisor Class shares of the Funds are reflected in the
following tables (1):
 
<TABLE>
<CAPTION>
                                                                              GOVERNMENT        STRATEGIC       HIGH INCOME
                                                                              INCOME FUND      INCOME FUND         FUND
                                                                            ---------------  ---------------  ---------------
                                                                             ADVISOR CLASS    ADVISOR CLASS    ADVISOR CLASS
                                                                            ---------------  ---------------  ---------------
<S>                                                                         <C>              <C>              <C>
SHAREHOLDER TRANSACTION COSTS:
  Maximum sales charge on purchases of shares (as a % of offering
   price).................................................................          None             None             None
  Sales charges on reinvested distributions to shareholders...............          None             None             None
  Maximum deferred sales charge (as a % of net asset value at time of
   purchase or sale, whichever is less)...................................          None             None             None
  Redemption charges......................................................          None             None             None
  Exchange fees:
    -- On first four exchanges each year..................................          None             None             None
    -- On each additional exchange........................................     $    7.50        $    7.50        $    7.50
 
ANNUAL FUND OPERATING EXPENSES (2):
 (AS A % OF AVERAGE NET ASSETS)
  Investment management and administration fees...........................         0.73%            0.73%            0.90%
  12b-1 distribution and service fees.....................................          None             None             None
  Other expenses..........................................................         0.43%            0.36%            0.33%
                                                                                  ------           ------           ------
  Total Fund Operating Expenses...........................................         1.16%            1.09%            1.23%
                                                                                  ------           ------           ------
                                                                                  ------           ------           ------
</TABLE>
 
HYPOTHETICAL EXAMPLE OF EFFECT OF EXPENSES:
 
An investor would have directly or indirectly paid the following expenses at the
end of the periods shown on a $1,000 investment in the Funds, assuming a 5%
annual return:
 
<TABLE>
<CAPTION>
                                                                 ONE YEAR     THREE YEARS     FIVE YEARS     TEN YEARS
                                                                  -----          ------         -----          -----
<S>                                                            <C>            <C>            <C>            <C>
  Government Income Fund
  Advisor Class Shares......................................   $        12    $        37    $        64    $       142
  Strategic Income Fund
  Advisor Class Shares......................................   $        11    $        35    $        60    $       133
  High Income Fund
  Advisor Class Shares......................................   $        13    $        39    $        68    $       150
</TABLE>
 
- ------------------------------
 
(1) THESE TABLES ARE INTENDED TO ASSIST INVESTORS IN UNDERSTANDING THE VARIOUS
    COSTS AND EXPENSES ASSOCIATED WITH INVESTING IN A FUND. THE "HYPOTHETICAL
    EXAMPLE" IS NOT A REPRESENTATION OF PAST OR FUTURE EXPENSES. THE FUNDS' AND
    THE PORTFOLIO'S ACTUAL EXPENSES MAY BE MORE OR LESS THAN THOSE SHOWN. The
    tables and the assumption in the Hypothetical Example of a 5% annual return
    are required by regulation of the SEC applicable to all mutual funds; the 5%
    annual return is not a prediction of and does not represent the Funds' or
    the Portfolio's projected or actual performance.
 
(2) Expenses are based on the Funds' fiscal year ended October 31, 1997. "Other
    expenses" include custody, transfer agent, legal, audit and other operating
    expenses. See "Management" herein and the Statement of Additional
    Information for more information. Investors purchasing Advisor Class shares
    through financial planners, trust companies, bank trust departments or
    registered investment advisers, or under a "wrap fee" program, will be
    subject to additional fees charged by such entities or by the sponsors of
    such programs. Where any account advised by one of the companies composing
    or affiliated with Liechtenstein Global Trust invests in Advisor Class
    shares of a Fund, such account shall not be subject to duplicative advisory
    fees. The Board of Directors of the Company believes that the aggregate per
    share expenses of the High Income Fund and the Portfolio will be less than
    or approximately equal to the expenses which the Fund would incur if the
    assets of that Fund were invested directly in the type of securities being
    held by the Portfolio.
 
                               Prospectus Page 5
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
 
The tables below provide condensed financial information concerning income and
capital changes for one Class A and Advisor Class share of each Fund for the
periods shown. For the period March 29, 1988 (commencement of operations) to
October 21, 1992, the Strategic Income Fund was named G.T. Global Bond Fund and
operated under different investment objectives, policies and limitations. This
information is supplemented by the financial statements and accompanying notes
appearing in the Statement of Additional Information. The financial statements
and notes for fiscal year ended October 31, 1997 have been audited by Coopers &
Lybrand L.L.P., independent accountants, whose report thereon also is included
in the Statement of Additional Information.
 
                             GOVERNMENT INCOME FUND
 
<TABLE>
<CAPTION>
                                                        CLASS A+
                      ----------------------------------------------------------------------------
                                                  YEAR ENDED OCT. 31,
                      ----------------------------------------------------------------------------
                      1997(C)     1996      1995(c)   1994(c)     1993(c)       1992        1991
                      --------  --------    --------  --------    --------    --------    --------
<S>                   <C>       <C>         <C>       <C>         <C>         <C>         <C>
Per Share Operating
 Performance:
Net asset value,
 beginning of
 period.............  $   8.74  $   8.81    $   8.63  $  11.07    $   9.83    $  10.29    $  10.46
                      --------  --------    --------  --------    --------    --------    --------
Income from
 investment
 operations:
  Net investment
   income...........      0.52      0.57        0.62      0.65        0.74        0.92        0.99
  Net realized and
   unrealized gain
   (loss) on
   investments......     (0.13)     0.03        0.15     (1.52)       1.34       (0.31)      (0.07)
                      --------  --------    --------  --------    --------    --------    --------
    Net increase
     (decrease) from
     investment
     operations.....      0.39      0.60        0.77     (0.87)       2.08        0.61        0.92
                      --------  --------    --------  --------    --------    --------    --------
Distributions:
  From net
   investment
   income...........     (0.31)    (0.57)      (0.59)    (0.65)      (0.74)      (0.83)      (1.00)
  From net realized
   gain on
   investments......        --     (0.10)         --     (0.27)         --       (0.13)      (0.09)
  In excess of net
   investment
   income...........     (0.20)       --          --        --          --          --          --
  In excess of net
   realized gain on
   investments......        --        --          --     (0.55)         --          --          --
  Return of
   capital..........        --        --          --     (0.10)         --          --          --
  From sources other
   than net
   investment
   income...........        --        --          --        --       (0.10)      (0.11)         --
                      --------  --------    --------  --------    --------    --------    --------
    Total
    distributions...     (0.51)    (0.67)      (0.59)    (1.57)      (0.84)      (1.07)      (1.09)
                      --------  --------    --------  --------    --------    --------    --------
Net asset value, end
 of period..........  $   8.62  $   8.74    $   8.81  $   8.63    $  11.07    $   9.83    $  10.29
                      --------  --------    --------  --------    --------    --------    --------
                      --------  --------    --------  --------    --------    --------    --------
Total investment
 return (d).........     4.78%     7.11%       9.22%   (8.87)%       21.9%        6.3%        9.4%
Ratios and
 supplemental data:
Net assets, end of
 period (in
 000's).............  $154,272  $240,945    $385,404  $502,094    $708,301    $623,387    $399,200
Ratio of net
 investment income
 to average net
 assets.............     6.04%     6.52%       6.98%     6.87%        7.1%        9.0%        9.5%
Ratio of expenses to
 average net assets:
  With expense
   reductions.......     1.34%     1.34%       1.35%     1.33%        1.4%        1.6%        1.6%
  Without expense
   reductions.......     1.51%     1.39%       1.38%       N/A         N/A         N/A         N/A
Portfolio turnover
 rate ++++..........      241%      268%        385%      625%        495%        351%        326%
</TABLE>
 
- ------------------------------
 
+    All capital shares issued and outstanding as of October 21, 1992 were
     reclassified as Class A shares.
 
+++  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++++ Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
 
*    Net of $0.01 per share of Fund operating expenses reimbursed by the
     Manager.
 
(a)  Not annualized.
 
(b)  Annualized.
 
(c)  These selected per share data were calculated based upon average shares
     outstanding during the period.
 
(d)  Total investment return does not include sales charges.
 
N/A  Not Applicable.
 
                               Prospectus Page 6
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             GOVERNMENT INCOME FUND
                                  (CONTINUED)
<TABLE>
<CAPTION>
                                                                                   CLASS A+                     ADVISOR CLASS+++
                                                                   -----------------------------------------  --------------------
                                                                                            MARCH 29, 1988
                                                                                             (COMMENCEMENT    YEAR ENDED OCT. 31,
                                                                    YEAR ENDED OCT. 31,           OF
                                                                   ----------------------  OF OPERATIONS) TO  --------------------
                                                                      1990        1989       OCT. 31, 1988      1997       1996
                                                                   ----------  ----------  -----------------  ---------  ---------
<S>                                                                <C>         <C>         <C>                <C>        <C>
Per Share Operating Performance:
Net asset value, beginning of period.............................  $    10.45  $    10.86      $   11.43      $    8.73  $    8.80
                                                                   ----------  ----------       --------      ---------  ---------
Income from investment operations:
  Net investment income..........................................        1.18        1.15           0.49*          0.55       0.60
  Net realized and unrealized gain (loss) on investments.........       (0.02)      (0.35)        (0.44)          (0.13)      0.03
                                                                   ----------  ----------       --------      ---------  ---------
    Net increase (decrease) from investment operations...........        1.16        0.80           0.05           0.42       0.63
                                                                   ----------  ----------       --------      ---------  ---------
Distributions:
  From net investment income.....................................       (1.15)      (1.20)        (0.49)          (0.33)    (0.60)
  From net realized gain on investments..........................          --          --         (0.12)             --     (0.10)
  In excess of net investment income.............................          --          --             --          (0.21)        --
  In excess of net realized gain on investments..................          --          --             --             --         --
  Return of capital..............................................          --          --             --             --         --
  From sources other than net investment income..................          --       (0.01)        (0.01)             --         --
                                                                   ----------  ----------       --------      ---------  ---------
    Total distributions..........................................       (1.15)      (1.21)        (0.62)          (0.54)    (0.70)
                                                                   ----------  ----------       --------      ---------  ---------
Net asset value, end of period...................................  $    10.46  $    10.45      $   10.86      $    8.61  $    8.73
                                                                   ----------  ----------       --------      ---------  ---------
                                                                   ----------  ----------       --------      ---------  ---------
Total investment return (d)......................................       11.9%        7.2%          1.10%(a)       5.15%      7.49%
Ratios and supplemental data:
Net assets, end of period (in 000's).............................  $  259,726  $  122,526      $  57,063      $     116  $      86
Ratio of net investment income to average net assets.............       11.4%       10.7%          7.41%*(b)      6.39%      6.87%
Ratio of expenses to average net assets:
  With expense reductions........................................        1.8%        1.7%          1.80%*(b)      0.99%      0.99%
  Without expense reductions.....................................         N/A         N/A            N/A          1.16%      1.04%
Portfolio turnover rate ++++.....................................        334%        413%           291%(b)        241%       268%
 
<CAPTION>
 
                                                                   JUNE 1, 1995
                                                                        TO
                                                                     OCT. 31,
                                                                      1995(c)
                                                                   -------------
<S>                                                                <C>
Per Share Operating Performance:
Net asset value, beginning of period.............................    $    8.98
                                                                   -------------
Income from investment operations:
  Net investment income..........................................         0.26
  Net realized and unrealized gain (loss) on investments.........       (0.19)
                                                                   -------------
    Net increase (decrease) from investment operations...........         0.07
                                                                   -------------
Distributions:
  From net investment income.....................................       (0.25)
  From net realized gain on investments..........................           --
  In excess of net investment income.............................           --
  In excess of net realized gain on investments..................           --
  Return of capital..............................................           --
  From sources other than net investment income..................           --
                                                                   -------------
    Total distributions..........................................       (0.25)
                                                                   -------------
Net asset value, end of period...................................    $    8.80
                                                                   -------------
                                                                   -------------
Total investment return (d)......................................        0.83%(a)
Ratios and supplemental data:
Net assets, end of period (in 000's).............................    $     131
Ratio of net investment income to average net assets.............        7.33%(b)
Ratio of expenses to average net assets:
  With expense reductions........................................        1.00%(b)
  Without expense reductions.....................................        1.03%(b)
Portfolio turnover rate ++++.....................................         385%
</TABLE>
 
- ------------------------------
 
+    All capital shares issued and outstanding as of October 21, 1992 were
     reclassified as Class A shares.
 
+++  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
++++ Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
 
*    Net of $0.01 per share of Fund operating expenses reimbursed by the
     Manager.
 
(a)  Not annualized.
 
(b)  Annualized.
 
(c)  These selected per share data were calculated based upon shares outstanding
     during the period.
 
(d)  Total investment return does not include sales charges.
 
N/A  Not Applicable.
 
                       ----------------------------------
 
<TABLE>
<CAPTION>
                                                   AVERAGE MONTHLY     AVERAGE MONTHLY
                                                   AMOUNT OF DEBT         NUMBER OF        AVERAGE AMOUNT
                                 AMOUNT OF DEBT      OUTSTANDING     REGISTRANT'S SHARES     OF DEBT PER
                                 OUTSTANDING AT      DURING THE          OUTSTANDING        SHARE DURING
YEAR ENDED                       END OF PERIOD         PERIOD         DURING THE PERIOD      THE PERIOD
- ------------------------------  ----------------  -----------------  -------------------  -----------------
<S>                             <C>               <C>                <C>                  <C>
October 31, 1997..............    $  4,451,000      $   1,616,315          38,476,908         $  0.0420
</TABLE>
 
                               Prospectus Page 7
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             STRATEGIC INCOME FUND
 
<TABLE>
<CAPTION>
                                                      CLASS A+
                      ------------------------------------------------------------------------
                                                YEAR ENDED OCT. 31,
                      ------------------------------------------------------------------------
                        1997    1996(c)   1995(c)     1994      1993(c)      1992       1991
                      --------  --------  --------  --------    --------    -------    -------
<S>                   <C>       <C>       <C>       <C>         <C>         <C>        <C>
Per Share Operating
 Performance:
Net asset value,
 beginning of
 period.............  $  11.76  $  10.32  $  10.88  $  13.61    $  11.25    $ 10.91    $ 11.20
                      --------  --------  --------  --------    --------    -------    -------
Income from
 investment
 operations:
  Net investment
   income...........      0.74      0.89      0.97      0.79        0.96       0.86       0.84*
  Net realized and
   unrealized gain
   (loss) on
   investments......      0.34      1.44     (0.69)    (2.14)       2.85       0.31      (0.02)
                      --------  --------  --------  --------    --------    -------    -------
    Net increase
     (decrease) from
     investment
     operations.....      1.08      2.33      0.28     (1.35)       3.81       1.17       0.82
                      --------  --------  --------  --------    --------    -------    -------
Distributions:
  From net
   investment
   income...........     (0.78)    (0.82)    (0.80)    (0.79)      (0.96)     (0.83)     (0.60)
  From net realized
   gain on
   investments......        --        --        --     (0.38)      (0.37)        --      (0.51)
  In excess of net
   investment
   income...........     (0.06)    (0.07)       --        --          --         --         --
  Return of
   capital..........        --        --     (0.04)    (0.21)         --         --         --
  From sources other
   than net
   investment
   income...........        --        --        --        --       (0.12)        --         --
                      --------  --------  --------  --------    --------    -------    -------
    Total
    distributions...     (0.84)    (0.89)    (0.84)    (1.38)      (1.45)     (0.83)     (1.11)
                      --------  --------  --------  --------    --------    -------    -------
Net asset value, end
 of period..........  $  12.00  $  11.76  $  10.32  $  10.88    $  13.61    $ 11.25    $ 10.91
                      --------  --------  --------  --------    --------    -------    -------
                      --------  --------  --------  --------    --------    -------    -------
Total investment
 return (d).........     9.40%    23.00%     3.06%  (10.44)%       37.0%      11.1%       7.7%
Ratios and
 supplemental data:
Net assets, end of
 period (in
 000's).............  $138,715  $185,126  $188,165  $275,241    $287,870    $83,849    $55,967
Ratio of net
 investment income
 to average net
 assets.............     6.18%     8.09%     9.64%     6.74%        7.2%       7.6%       7.2%*
Ratio of expenses to
 average net assets:
  With expense
   reductions.......     1.35%     1.38%     1.42%     1.40%        1.7%       1.8%       1.9%*
  Without expense
   reductions.......     1.44%     1.40%     1.45%       N/A         N/A        N/A        N/A
Ratio of interest
 expenses to average
 net assets.........       N/A       N/A       N/A     0.10%         N/A        N/A        N/A
Portfolio turnover
 rate +++...........      149%      177%      238%      583%        310%       418%       630%
</TABLE>
 
- ------------------------------
 
+   All capital shares issued and outstanding as of October 21, 1992 were
    reclassified as Class A shares.
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
*   Includes reimbursement by the Manager of Fund operating expenses of $0.01,
    $0.04, $0.02 and 0.05 for the year ended October 31, 1991, 1990, 1989 and
    1988, respectively. Without such reimbursements, the expense ratios would
    have been 1.92%, 2.20%, 2.02% and 2.42% and the ratio of net investment
    income to average net assets would have been 7.16%, 9.26%, 7.56% and 6.42%
    for the year ended October 31, 1991, 1990, 1989 and 1988, respectively.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
(e) Annualized.
 
N/A Not Applicable.
 
                               Prospectus Page 8
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             STRATEGIC INCOME FUND
                                    (CONTINUED)
 
<TABLE>
<CAPTION>
                                              CLASS A+                          ADVISOR CLASS**
                                  --------------------------------   --------------------------------------
                                                        MARCH 29,
                                                           1988
                                                        (COMMENCEMENT
                                   YEAR ENDED OCT.          OF         YEAR ENDED OCT. 31,       JUNE 1,
                                         31,            OPERATIONS)                              1995 TO
                                  ------------------     TO OCT.     -----------------------     OCT. 31,
                                   1990       1989       31, 1988      1997         1996         1995(c)
                                  -------    -------    ----------   --------    -----------   ------------
<S>                               <C>        <C>        <C>          <C>         <C>           <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 period.......................    $ 11.17    $ 11.25     $ 11.43     $  11.77      $   10.33      $10.32
                                  -------    -------    ----------   --------    -----------   ------------
Income from investment
 operations:
  Net investment income.......       1.04*      0.82*       0.45*        0.79           0.93        0.41
  Net realized and unrealized
   gain (loss) on
   investments................      (0.17)     (0.10)     (0.24)         0.34           1.44      (0.04)
                                  -------    -------    ----------   --------    -----------   ------------
    Net increase (decrease)
     from investment
     operations...............       0.87       0.72        0.21         1.13           2.37        0.37
Distributions:
  From net investment
   income.....................      (0.84)     (0.80)     (0.39)        (0.82)        (0.86)      (0.34)
  From net realized gain on
   investments................         --         --          --           --             --          --
  In excess of net investment
   income.....................         --         --          --        (0.06)        (0.07)          --
  Return of capital...........         --         --          --           --             --      (0.02)
  From sources other than net
   investment income..........         --         --          --           --             --          --
                                  -------    -------    ----------   --------    -----------   ------------
    Total distributions.......      (0.84)     (0.80)     (0.39)        (0.88)        (0.93)      (0.36)
                                  -------    -------    ----------   --------    -----------   ------------
Net asset value, end of
 period.......................    $ 11.20    $ 11.17     $ 11.25     $  12.02      $   11.77      $10.33
                                  -------    -------    ----------   --------    -----------   ------------
                                  -------    -------    ----------   --------    -----------   ------------
Total investment return (d)...       8.3%       6.8%       1.20%(a)     9.86%         23.39%       3.72%(a)
Ratios and supplemental data:
  Net assets, end of period
   (in 000's).................    $44,545    $37,820     $21,830     $    533      $     479      $  443
  Ratio of net investment
   income to average net
   assets.....................       9.6%*      7.7%*      7.22%*(e)    6.53%          8.44%       9.99%(e)
Ratio of expenses to average
 net assets:
  With expense reductions.....       1.9%*      1.8%*      1.70%*(e)    1.00%          1.03%       1.07%(e)
  Without expense
   reductions.................        N/A        N/A         N/A        1.09%          1.05%       1.10%(e)
Ratio of interest expenses to
 average net assets...........        N/A        N/A         N/A          N/A            N/A         N/A
Portfolio turnover rate +++...       501%       385%        340%         149%           177%        238%
</TABLE>
 
- ------------------------------
 
+++ Portfolio turnover is calculated on the basis of the Fund as a whole without
    distinguishing between the classes of shares issued.
 
*   Includes reimbursement by the Manager of Fund operating expenses of $0.01,
    $0.04, $0.02 and 0.05 for the year ended October 31, 1991, 1990, 1989 and
    1988, respectively. Without such reimbursements, the expense ratios would
    have been 1.92%, 2.20%, 2.02% and 2.42% and the ratio of net investment
    income to average net assets would have been 7.16%, 9.26%, 7.56% and 6.42%
    for the year ended October 31, 1991, 1990, 1989 and 1988, respectively.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
(a) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    outstanding during the period.
 
(d) Total investment return does not include sales charges.
 
(e) Annualized.
 
N/A Not Applicable.
 
                       ----------------------------------
 
<TABLE>
<CAPTION>
                                                   AVERAGE MONTHLY     AVERAGE MONTHLY
                                                   AMOUNT OF DEBT         NUMBER OF        AVERAGE AMOUNT
                                 AMOUNT OF DEBT      OUTSTANDING     REGISTRANT'S SHARES     OF DEBT PER
                                 OUTSTANDING AT      DURING THE          OUTSTANDING        SHARE DURING
YEAR ENDED                       END OF PERIOD         PERIOD         DURING THE PERIOD      THE PERIOD
- ------------------------------  ----------------  -----------------  -------------------  -----------------
<S>                             <C>               <C>                <C>                  <C>
October 31, 1997..............         --           $   3,575,910          39,263,038         $  0.0911
</TABLE>
 
                               Prospectus Page 9
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                HIGH INCOME FUND
 
<TABLE>
<CAPTION>
                                                             CLASS A
                                ------------------------------------------------------------------
                                                                                   OCT. 22, 1992
                                                                                   (COMMENCEMENT
                                              YEAR ENDED OCT. 31,                  OF OPERATIONS)
                                ------------------------------------------------         TO
                                  1997      1996      1995      1994    1993(c)    OCT. 31, 1992
                                --------  --------  --------  --------  --------  ----------------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 year.........................  $  14.85  $  11.70  $  12.56  $  14.92  $  11.43       $11.43
                                --------  --------  --------  --------  --------      -------
Income from investment
 operations:
  Net investment income.......      1.19      1.27      1.35      0.94      0.78           --
  Net realized and unrealized
   gain (loss) on
   investments................      0.93      3.09     (1.09)    (1.87)     3.92           --
                                --------  --------  --------  --------  --------      -------
    Net increase (decrease)
     from investment
     operations...............      2.12      4.36      0.26     (0.93)     4.70           --
                                --------  --------  --------  --------  --------      -------
Distributions:
  From net investment
   income.....................     (1.18)    (1.11)    (1.03)    (0.94)    (0.78)          --
  From net realized gain on
   investments................     (0.23)    (0.10)    (0.03)    (0.27)       --           --
  In excess of net realized
   gain on investments........        --        --        --     (0.22)       --           --
  From sources other than net
   investment income..........        --        --        --        --     (0.43)          --
  Return of capital...........        --        --     (0.06)       --        --           --
                                --------  --------  --------  --------  --------      -------
    Total distributions.......     (1.41)    (1.21)    (1.12)    (1.43)    (1.21)          --
                                --------  --------  --------  --------  --------      -------
Net asset value, end of
 year.........................  $  15.56  $  14.85  $  11.70  $  12.56  $  14.92       $11.43
                                --------  --------  --------  --------  --------      -------
                                --------  --------  --------  --------  --------      -------
Total investment return (e)...    14.46%    39.05%     2.81%   (6.45)%     43.6%         0.0%(b)
                                --------  --------  --------  --------  --------      -------
                                --------  --------  --------  --------  --------      -------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $133,973  $178,318  $142,002  $167,974  $143,171       $  207
Ratio of net investment income
 (loss) to average net
 assets.......................     7.39%     9.52%    11.85%     7.00%      6.4%          N/A(d)
 
Ratio of operating expenses to
 average net assets:
  With expense reductions.....     1.53%     1.69%     1.75%     1.57%     2.20%       N/A(d)
  Without expense
   reductions.................     1.58%     1.69%     1.75%     1.57%     2.20%       N/A(d)
Ratio of interest expense to
 average net assets...........       N/A     0.04%       N/A     0.22%       N/A          N/A
Portfolio turnover rate (f)...      214%      290%       --%       --%       --%          --%
</TABLE>
 
- ------------------------------
 
(a) Annualized.
 
(b) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    during the year.
 
(d) Ratios are not meaningful due to short period of operation.
 
(e) Total investment return does not include sales charges.
 
(f)  The Fund invests only in the Portfolio and does not engage in securities
    transactions. Accordingly, the portfolio turnover rates presented are for
    the Portfolio.
 
N/A Not Applicable.
 
                               Prospectus Page 10
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                HIGH INCOME FUND
                                  (CONTINUED)
 
<TABLE>
<CAPTION>
                                           ADVISOR CLASS**
                                -------------------------------------
                                     YEAR ENDED
                                      OCT. 31,          JUNE 1, 1995
                                ---------------------        TO
                                  1997       1996       OCT. 31, 1995
                                --------  -----------   -------------
<S>                             <C>       <C>           <C>
Per Share Operating
 Performance:
Net asset value, beginning of
 year.........................  $  14.83    $   11.71      $11.44
                                --------  -----------   -------------
Income from investment
 operations:
  Net investment income.......      1.22         1.34        0.57
  Net realized and unrealized
   gain (loss) on
   investments................      0.93         3.05        0.17
                                --------  -----------   -------------
    Net increase (decrease)
     from investment
     operations...............      2.15         4.39        0.74
                                --------  -----------   -------------
Distributions:
  From net investment
   income.....................     (1.23)      (1.16)      (0.44)
  From net realized gain on
   investments................     (0.23)      (0.11)          --
  In excess of net realized
   gain on investments........        --           --          --
  From sources other than net
   investment income..........        --           --          --
  Return of capital...........        --           --      (0.03)
                                --------  -----------   -------------
    Total distributions.......     (1.46)      (1.27)      (0.47)
                                --------  -----------   -------------
Net asset value, end of
 year.........................  $  15.52    $   14.83      $11.71
                                --------  -----------   -------------
                                --------  -----------   -------------
Total investment return (e)...    14.72%       39.38%       6.54%(b)
                                --------  -----------   -------------
                                --------  -----------   -------------
 
Ratios and supplemental data:
Net assets, end of period (in
 000's).......................  $  3,719    $  15,298      $1,463
Ratio of net investment income
 (loss) to average net
 assets.......................     7.74%        9.87%      12.20%(a)
Ratio of operating expenses to
 average net assets:
  With expense reductions.....     1.18%        1.34%       1.40%(a)
  Without expense
   reductions.................     1.23%        1.34%       1.40%
Ratio of interest expense to
 average net assets...........       N/A        0.04%         N/A
Portfolio turnover rate (f)...      214%         290%        213%(a)
</TABLE>
 
- ------------------------------
 
(a) Annualized.
 
(b) Not annualized.
 
(c) These selected per share data were calculated based upon average shares
    during the year.
 
(d) Ratios are not meaningful due to short period of operation.
 
(e) Total investment return does not include sales charges.
 
(f)  The Fund invests only in the Portfolio and does not engage in securities
    transactions. Accordingly, the portfolio turnover rates presented are for
    the Portfolio.
 
**  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 
N/A Not Applicable.
 
                       ----------------------------------
 
<TABLE>
<CAPTION>
                                                   AVERAGE MONTHLY     AVERAGE MONTHLY
                                                   AMOUNT OF DEBT         NUMBER OF        AVERAGE AMOUNT
                                 AMOUNT OF DEBT      OUTSTANDING     REGISTRANT'S SHARES     OF DEBT PER
                                 OUTSTANDING AT      DURING THE          OUTSTANDING        SHARE DURING
YEAR ENDED                       END OF PERIOD         PERIOD         DURING THE PERIOD      THE PERIOD
- ------------------------------  ----------------  -----------------  -------------------  -----------------
<S>                             <C>               <C>                <C>                  <C>
October 31, 1997..............         --           $   2,526,057          28,093,475         $  0.0899
October 31, 1996..............         --               2,431,693          30,732,727            0.0791
October 31, 1995..............         --                      --                  --                --
October 31, 1994..............         --              14,109,589          26,707,829            0.5283
</TABLE>
 
                               Prospectus Page 11
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             INVESTMENT OBJECTIVES
                                  AND POLICIES
 
- --------------------------------------------------------------------------------
 
GOVERNMENT INCOME FUND
 
The Government Income Fund seeks a high level of current income by investing
primarily in high quality debt securities of the U.S. and foreign governments,
their agencies and instrumentalities. Its secondary objectives are capital
appreciation and protection of principal through active management of its
maturity structure and currency exposure.
 
At least 65% of the Fund's total assets normally are invested in debt
obligations issued or guaranteed by the U.S. or foreign governments (including
foreign states, provinces or municipalities) or their agencies, authorities or
instrumentalities. For purposes of this policy, the Fund considers debt
obligations of supranational entities organized or supported by several national
governments, such as the World Bank and the Asian Development Bank, to be
"government securities."
 
The Fund invests primarily in high quality government debt securities. "High
quality" debt securities are those rated in the top two ratings categories of
Moody's Investors Service, Inc. ("Moody's") or Standard & Poor's, a division of
The McGraw-Hill Companies, Inc. ("S&P"), or, if not rated, determined to be of
comparable quality by the Manager. A description of Moody's and S&P ratings is
included in the Appendix to this Prospectus.
 
The Fund currently contemplates that it will invest principally in obligations
of the United States, Canada, Japan, the Western European nations, New Zealand
and Australia, as well as in multinational currency units. Under normal market
conditions, the Fund invests in issues of not less than three different
countries; investments in the securities of any one country, other than the
United States, normally represent no more than 40% of the Fund's total assets.
The Fund will not invest in a foreign currency or in securities denominated in a
foreign currency if such currency is not at the time of investment considered by
the Manager to be fully exchangeable into U.S. dollars (or a multinational
currency unit) without legal restriction.
 
The Fund may also invest up to 35% of its total assets in: (1) foreign
government securities that are not high quality but are rated at least
"investment grade," i.e., rated within the four highest ratings categories of
Moody's or S&P or, if not rated, determined by the Manager to be of comparable
quality; (2) corporate debt obligations of U.S. or foreign issuers rated at
least investment grade by Moody's or S&P, including debt obligations convertible
into equity securities or having attached warrants or rights to purchase equity
securities; and (3) common stocks, preferred stocks and warrants to acquire such
securities, provided that the Fund will not invest more than 20% of its total
assets in such securities.
 
STRATEGIC INCOME FUND
 
The Strategic Income Fund primarily seeks high current income and secondarily
seeks capital appreciation.
 
The Fund invests in debt securities of issuers in: (1) the United States; (2)
developed foreign countries; and (3) emerging markets. The Fund selects debt
securities from those issued by governments, their agencies and
instrumentalities; central banks; and commercial banks and other corporate
entities. Debt securities in which the Fund may invest include bonds, notes,
debentures, and other similar instruments. The Fund normally invests at least
50% of its net assets in U.S. and foreign debt and other fixed income securities
that, at the time of purchase, are rated at least investment grade by Moody's or
S&P or, if not rated, determined by the Manager to be of comparable quality. No
more than 50% of the Fund's total assets may be invested in securities rated
below investment grade. Such securities involve a high degree of risk and are
predominantly speculative. They are the equivalent of high yield, high risk
bonds, commonly known as "junk bonds." The Fund may also invest in securities
that are in default as to payment of principal and/or interest.
 
The Fund's investments in emerging market securities may consist substantially
of Brady Bonds (see "General Policies -- Brady Bonds," below) and other
sovereign debt securities issued by emerging market governments that are traded
in the markets of developed countries or groups of developed countries. The
Manager may invest in debt securities of emerging market issuers that it
determines to be suitable investments for the Fund without regard to ratings.
Currently, the substantial majority of emerging market debt securities are
considered to have a credit quality below investment grade. The Fund also may
invest in below-
 
                               Prospectus Page 12
<PAGE>
                             GT GLOBAL INCOME FUNDS
investment grade debt securities of corporate issuers in the United States and
in developed foreign countries, subject to the overall 50% limitation.
 
HIGH INCOME FUND
 
The High Income Fund primarily seeks high current income, and secondarily seeks
capital appreciation. It seeks its objectives by investing all of its investable
assets in the Portfolio, which in turn seeks the same objectives as the Fund by
normally investing at least 65% of its total assets in debt securities of
issuers in emerging markets.
 
The Portfolio intends to invest in the following types of debt securities:
bonds, notes and debentures of emerging market governments; securities issued or
guaranteed by such governments' agencies or instrumentalities; securities issued
or guaranteed by the central banks of emerging market countries; and securities
issued by other banks and companies in such countries and securities denominated
in or indexed to the currencies of emerging markets. Under current market
conditions, the Portfolio expects its investments in emerging market securities
to consist substantially of Brady Bonds (see "General Policies -- Brady Bonds,"
below) and other sovereign debt securities.
 
The Portfolio may also invest up to 35% of its total assets in (1) equity
securities of issuers in emerging markets included in the list below under the
caption "Emerging Markets"; (2) equity and debt securities of issuers in
developed countries, including the United States; (3) securities of issuers in
emerging markets not included in the emerging markets list, if investing therein
becomes feasible and desirable subsequent to the date of this Prospectus; and
(4) cash and money market instruments. In evaluating investments in securities
of issuers in developed markets, the Manager will consider, among other things,
the business activities of the issuer in emerging markets and the impact that
developments in emerging markets are likely to have on the issuer's financial
condition.
 
Under normal circumstances, substantially all of the Portfolio's assets will be
invested in debt securities of both governmental and corporate issuers in
emerging markets. Emerging markets debt securities generally are considered to
have a credit quality below investment grade, as defined above. Lower quality
securities involve a high degree of risk and are predominantly speculative.
These debt securities are the equivalent of high yield, high risk bonds,
commonly known as "junk bonds." See "Risk Factors." Many emerging market debt
securities are not rated by U.S. ratings agencies such as Moody's and S&P. The
Portfolio's ability to achieve its investment objectives is thus more dependent
on the Manager's credit analysis. The Portfolio may invest in securities that
are in default as to payment of principal and/or interest.
 
OTHER INFORMATION REGARDING THE PORTFOLIO. As previously described, investors
should be aware that the High Income Fund, unlike mutual funds that directly
acquire and manage their own portfolios of securities, seeks to achieve its
investment objectives by investing all of its investable assets in the
Portfolio, which is a separate investment company. Because the Fund will invest
only in the Portfolio, the Fund's shareholders will acquire only an indirect
interest in the investments of the Portfolio.
 
The High Income Fund may redeem its investment from the Portfolio at any time,
if the Board of Directors of the Company determines that it is in the best
interests of the Fund and its shareholders to do so. A change in the Portfolio's
investment objectives, policies or limitations that is not approved by the Board
or the shareholders of the High Income Fund could require the Fund to redeem its
interest in the Portfolio. Any such redemption could result in a distribution in
kind of portfolio securities (as opposed to a cash distribution) by the
Portfolio. In addition, a distribution in kind could result in a less
diversified portfolio of investments for the Fund and could adversely affect its
liquidity. Upon redemption, the Board would consider what action might be taken,
including the investment of all the investable assets of the Fund in another
pooled investment entity having substantially the same investment objectives as
the Fund or the retention by the Fund of its own investment adviser to manage
its assets in accordance with its investment objectives, policies and
limitations discussed herein.
 
In addition to selling an interest therein to the Fund, the Portfolio may sell
its interests therein to other non-affiliated investment companies and/or other
institutional investors. All institutional investors in the Portfolio will pay a
proportionate share of the Portfolio's expenses and will invest in the Portfolio
on the same terms and conditions. However, if another investment company invests
any or all of its assets in the Portfolio, it would not be required to sell its
shares at the same public offering price as the Fund and may charge different
sales commissions. Therefore, investors in the Fund may experience different
returns than investors in another investment company that invests exclusively in
the Portfolio. As of the date of this Prospectus, the High Income Fund is the
only institutional investor in the Portfolio.
 
Investors in the Fund should be aware that the Funds' investment in the
Portfolio may be materially
 
                               Prospectus Page 13
<PAGE>
                             GT GLOBAL INCOME FUNDS
affected by the actions of other large investors, if any, in the Portfolio, if
any. For example, as with all open-end investment companies, if a large investor
were to redeem its interest in the Portfolio, (1) the Portfolio's remaining
investors could experience higher pro rata operating expenses, thereby producing
lower returns and (2) the Portfolio's security holdings may become less diverse,
resulting in increased risk. Institutional investors in the Portfolio that have
a greater pro rata ownership interest in the Portfolio than the Fund could have
effective voting control over the operation of the Portfolio.
 
                                GENERAL POLICIES
 
ASSET ALLOCATION. The Government Income Fund, the Strategic Income Fund and the
Portfolio each invests in debt obligations allocated among diverse markets and
denominated in various currencies, including U.S. dollars, or in multinational
currency units such as European Currency Units. The Funds are designed for
investors who wish to accept the risks entailed in such investments, which are
different from those associated with a portfolio consisting entirely of
securities of U.S. issuers denominated in U.S. dollars. The Government Income
Fund, the Strategic Income Fund and the Portfolio may purchase securities that
are issued by the government or a company or financial institution of one
country but denominated in the currency of another country (or a multinational
currency unit).
 
The Manager allocates the assets of the Government Income Fund, the Strategic
Income Fund and the Portfolio in securities of issuers in countries and in
currency denominations where the combination of fixed income market returns, the
price appreciation potential of fixed income securities and currency exchange
rate movements will present opportunities primarily for high current income and
secondarily for capital appreciation (and, in the case of the Government Income
Fund, secondarily for capital appreciation and protection of principal). In so
doing, the Manager intends to take full advantage of the different yield, risk
and return characteristics that investment in the fixed income markets of
different countries can provide for U.S. investors. Fundamental economic
strength, credit quality and currency and interest rate trends are the principal
determinants of the emphasis given to various country, geographic and industry
sectors within the Government Income Fund, the Strategic Income Fund and the
Portfolio. Securities held by the Government Income Fund, the Strategic Income
Fund and the Portfolio may be invested in without limitation as to maturity.
 
The Manager selects securities of particular issuers on the basis of its views
as to the best values then currently available in the marketplace. Such values
are a function of yield, maturity, issue classification and quality
characteristics, coupled with expectations regarding the local and world
economies, movements in the general level and term of interest rates, currency
values, political developments and variations in the supply of funds available
for investment in the world bond market relative to the demands placed upon it.
 
The Manager generally evaluates currencies on the basis of fundamental economic
criteria (e.g., relative inflation, interest rate levels and trends, growth rate
forecasts, balance of payments status and economic policies) as well as
technical and political data. The Manager may seek to protect a Fund against
such negative currency movements through the use of sophisticated investment
techniques. See "Options, Futures and Forward Currency Transactions" and "Swaps,
Caps, Floors and Collars."
 
According to the Manager, as of the date of this Prospectus, more than 50% of
the value of all outstanding government debt obligations throughout the world is
represented by obligations denominated in currencies other than the U.S. dollar.
Moreover, from time to time, the debt securities of issuers located outside the
United States have substantially outperformed the debt obligations of U.S.
issuers. Accordingly, the Manager believes that the Government Income Fund's and
the Strategic Income Fund's policy of investing in debt securities throughout
the world and the Portfolio's policy of investing in debt securities of issuers
in emerging markets may enable the achievement of results superior to those
produced by mutual funds with similar objectives to those of the Funds and the
Portfolio that invest solely in debt securities of U.S. issuers.
 
TEMPORARY DEFENSIVE STRATEGIES. The Manager may employ a temporary defensive
investment strategy if it determines such a strategy to be warranted due to
market, economic or political conditions. Pursuant to such a defensive strategy,
the Government Income Fund, the Strategic Income Fund and the Portfolio
temporarily may hold cash (U.S. dollars, foreign currencies or multinational
currency units) and/or invest up to 100% of their respective assets in high
quality debt securities or money market instruments of U.S. or foreign issuers.
In addition, for temporary defensive purposes, most or all of the Government
Income Fund's, the Strategic Income Fund's or the Portfolio's investments may be
made in the United States and denominated in U.S. dollars. To the
 
                               Prospectus Page 14
<PAGE>
                             GT GLOBAL INCOME FUNDS
extent the Funds or the Portfolio employ a temporary defensive strategy, they
will not be invested so as to achieve directly their investment objectives. In
addition, pending investment of proceeds from new sales of Fund shares or to
meet ordinary daily cash needs, the Government Income Fund, the Strategic Income
Fund and the Portfolio may hold cash (U.S. dollars, foreign currencies or
multinational currency units) and may invest in high quality foreign or domestic
money market instruments.
 
EMERGING MARKET SECURITIES. The Strategic Income Fund and the Portfolio consider
"emerging markets" to consist of all countries determined by the Manager to have
developing or emerging economies and markets. These countries generally include
every country in the world except the United States, Canada, Japan, Australia,
New Zealand and most countries located in Western Europe. The Strategic Income
Fund and the Portfolio will consider investment in the following emerging
markets:
 
<TABLE>
<S>               <C>            <C>
  Algeria         Hong Kong      Peru
  Argentina       Hungary        Philippines
  Bolivia         India          Poland
  Botswana        Indonesia      Portugal
  Brazil          Israel         Republic of
  Bulgaria        Ivory Coast     Slovakia
  Chile           Jamaica        Russia
  China           Jordan         Singapore
  Colombia        Kazakhstan     Slovenia
  Costa Rica      Kenya          South Africa
  Cyprus          Lebanon        South Korea
  Czech           Malaysia       Sri Lanka
   Republic       Mauritius      Swaziland
  Dominican       Mexico         Taiwan
   Republic       Morocco        Thailand
  Ecuador         Nicaragua      Turkey
  Egypt           Nigeria        Ukraine
  El Salvador     Oman           Uruguay
  Finland         Pakistan       Venezuela
  Ghana           Panama         Zambia
  Greece          Paraguay       Zimbabwe
</TABLE>
 
The Strategic Income Fund and the Portfolio will not be invested in all such
markets at all times. Moreover, investing in some of those markets currently may
not be desirable or feasible, due to the lack of adequate custody arrangements,
overly burdensome repatriation requirements and similar restrictions, the lack
of organized and liquid securities markets, unacceptable political risks or for
other reasons.
 
As used in this Prospectus and the Statement of Additional Information, an
issuer in an emerging market is an entity: (i) for which the principal
securities trading market is an emerging market, as defined above; (ii) that
(alone or on a consolidated basis) derives 50% or more of its total revenue from
either goods produced, sales made or services performed in emerging markets; or
(iii) organized under the laws of, or with a principal office in, an emerging
market.
 
BRADY BONDS. The Strategic Income Fund and the Portfolio may invest in "Brady
Bonds," which are debt restructurings that provide for the exchange of cash and
loans for newly issued bonds. Brady Bonds have been issued by the countries of
Albania, Argentina, Brazil, Bulgaria, Costa Rica, Dominican Republic, Ecuador,
Ivory Coast, Jordan, Mexico, Nigeria, Panama, Peru, Philippines, Poland,
Uruguay, Venezuela and Vietnam and are expected to be issued by other emerging
market countries. As of the date of this Prospectus, the Strategic Income Fund
and the Portfolio are not aware of the occurrence of any payment defaults on
Brady Bonds. Investors should recognize, however, that Brady Bonds do not have a
long payment history. In addition, Brady Bonds are often rated below investment
grade.
 
The Strategic Income Fund and the Portfolio may invest in either collateralized
or uncollateralized Brady Bonds. U.S. dollar-denominated, collateralized Brady
Bonds, which may be fixed rate par bonds or floating rate discount bonds, are
collateralized in full as to principal by U.S. Treasury zero coupon bonds having
the same maturity as the bonds. Interest payments on such bonds generally are
collateralized by cash or securities in an amount that, in the case of fixed
rate bonds, is equal to at least one year of rolling interest payments or, in
the case of floating rate bonds, initially is equal to at least one year's
rolling interest payments based on the applicable interest rate at the time of
issuance and is adjusted at regular intervals thereafter.
 
MORTGAGE-BACKED AND ASSET-BACKED SECURITIES. U.S. government securities in which
the Government Income Fund and Strategic Income Fund may invest include
mortgage-backed securities issued by agencies or instrumentalities of the U.S.
government. The Funds may also purchase privately issued mortgage-backed and
asset-backed securities. Mortgage-backed securities represent direct or indirect
interests in pools of underlying mortgage loans that are secured by real
property. Investors typically receive payments out of the interest and principal
on the underlying mortgages. Asset-backed securities are similar to
mortgage-backed securities, except that the underlying assets are other
financial assets or financial receivables, such as motor vehicle installment
sales contracts, home equity loans, leases of various types of real and
 
                               Prospectus Page 15
<PAGE>
                             GT GLOBAL INCOME FUNDS
personal property and receivables from credit cards. Any privately issued
mortgage-backed and asset-backed securities purchased by Government Income Fund
will be subject to the limitation of that Fund which allows no more than 35% of
its assets to be invested in securities of non-governmental issuers. With
respect to the Government Income Fund, it will only purchase such securities if
rated in the highest rating category by S&P or Moody's, or if not rated,
determined to be of comparable quality by the Manager.
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Strategic Income Fund and the Portfolio
may invest in fixed and floating rate loans ("Loans") arranged through private
negotiations between a foreign entity and one or more financial institutions
("Lenders"). The majority of the Fund's and the Portfolio's investments in Loans
in emerging markets is expected to be in the form of participations in Loans
("Participations") and assignments of portions of Loans from third parties
("Assignments"). Participations typically will result in the Fund and/or the
Portfolio having a contractual relationship only with the Lender, not with the
borrower government. The Fund and/or the Portfolio will have the right to
receive payments of principal, interest and any fees to which it is entitled
only from the Lender selling the Participation and only upon receipt by the
Lender of the payments from the borrower. In connection with purchasing
Participations, the Fund and/or the Portfolio generally will have no right to
enforce compliance by the borrower with the terms of the loan agreement relating
to the loan ("Loan Agreement"), nor any rights of set-off against the borrower,
and the Fund and/or the Portfolio may not directly benefit from any collateral
supporting the Loan in which it has purchased the Participation. As a result,
the Fund and/or the Portfolio will assume the credit risk of both the borrower
and the Lender that is selling the Participation.
 
In the event of the insolvency of the Lender selling a Participation, the Fund
and/or the Portfolio may be treated as a general creditor of the Lender and may
not benefit from any set-off between the Lender and the borrower. The Fund
and/or the Portfolio will acquire Participations only if the Lender
interpositioned between the Fund and/or the Portfolio and the borrower is
determined by the Manager to be creditworthy. When the Fund and/or the Portfolio
purchases Assignments from Lenders, the Fund and/or the Portfolio will acquire
direct rights against the borrower on the Loan. However, since Assignments are
arranged through private negotiations between potential assignees and assignors,
the rights and obligations acquired by the Fund and/or the Portfolio as the
purchaser of an Assignment may differ from, and be more limited than, those held
by the assigning Lender.
 
WHEN-ISSUED AND FORWARD COMMITMENT SECURITIES. The Government Income Fund, the
Strategic Income Fund and the Portfolio may purchase debt securities on a
"when-issued" basis and may purchase or sell such securities on a "forward
commitment" basis in order to hedge against anticipated changes in interest
rates and prices. The price, which is generally expressed in yield terms, is
fixed at the time the commitment is made, but delivery and payment for the
securities take place at a later date. When-issued securities and forward
commitments may be sold prior to the settlement date, but the Funds and the
Portfolio will purchase or sell when-issued securities and forward commitments
only with the intention of actually receiving or delivering the securities, as
the case may be. No income accrues on securities that have been purchased
pursuant to a forward commitment or on a when-issued basis prior to delivery of
the securities. If a Fund or the Portfolio disposes of the right to acquire a
when-issued security prior to its acquisition or disposes of its right to
deliver or receive against a forward commitment, it may incur a gain or loss. At
the time a Fund or the Portfolio enters into a transaction on a when-issued or
forward commitment basis, a segregated account consisting of cash or liquid
securities equal to the value of the when-issued or forward commitment
securities will be established and maintained with its custodian and will be
marked to market daily. There is a risk that the securities may not be delivered
and that a Fund or the Portfolio may incur a loss. The Government Income Fund
may invest up to 5% of its total assets in a combination of securities purchased
on a when-issued basis or with respect to which it has entered into forward
commitment agreements.
 
The Strategic Income Fund and the Portfolio may also sell securities on a "when,
as and if issued" basis for hedging purposes. Under such a transaction, the Fund
or the Portfolio is required to deliver at a future date a security it does not
presently hold, but which it has a right to receive if the security is issued.
Issuance of the security may not occur, in which case the Fund or Portfolio
would have no obligation to the other party, and would not receive payment for
the sale. Selling securities on a "when, as and if issued" basis may reduce risk
of loss to the extent that such a sale wholly or partially
 
                               Prospectus Page 16
<PAGE>
                             GT GLOBAL INCOME FUNDS
offsets unfavorable price movements on the investments being hedged. However,
such sales also limit the amount the Fund or Portfolio can receive if the "when,
as and if issued" security is in fact issued.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND ROLL TRANSACTIONS. The Government
Income Fund may borrow from banks or may borrow through reverse repurchase
agreements and "roll" transactions in connection with meeting requests for the
redemption of Fund shares. The Government Income Fund also may borrow up to 5%
of its total assets for temporary or emergency purposes other than to meet
redemptions. However, the Government Income Fund will not borrow for investment
purposes, nor will the Fund purchase securities while borrowings are
outstanding.
 
Both the Strategic Income Fund and the Portfolio are authorized to borrow money
from banks in an amount up to 33 1/3% of its total assets (including the amount
borrowed), less all liabilities and indebtedness other than the borrowings and
may use the proceeds of such borrowings for investment purposes. The Strategic
Income Fund and the Portfolio will borrow for investment purposes only when the
Manager believes that such borrowings will benefit the Fund or the Portfolio,
respectively, after taking into account considerations such as the costs of the
borrowing and the likely investment returns on the securities purchased with the
borrowed monies.
 
Borrowing for investment purposes is known as leveraging, which is a speculative
practice. Such borrowing by the Strategic Income Fund and the Portfolio creates
the opportunity for increased net income and appreciation but, at the same time,
involves special risk considerations. For example, leveraging might exaggerate
changes in the net asset value of Fund shares and in the yield realized by the
Fund or the Portfolio. Although the principal amount of such borrowings will be
fixed, the Fund's and the Portfolio's assets may change in value during the time
the borrowing is outstanding. By leveraging the Fund or the Portfolio, changes
in net asset values, higher or lower, may be greater in degree than if leverage
was not employed. To the extent the income derived from the assets obtained with
borrowed funds exceeds the interest and other expenses that the Fund or the
Portfolio will have to pay, the Fund's or the Portfolio's net income will be
greater than if borrowing was not used. Conversely, if the income from the
assets obtained with borrowed funds is not sufficient to cover the cost of
borrowing, the net income of the Fund or the Portfolio will be less than if
borrowing were not used, and therefore the amount available for distribution to
shareholders as dividends will be reduced. The Strategic Income Fund and the
Portfolio each expects that some of its borrowings may be made on a secured
basis.
 
In addition to the foregoing borrowings, the Strategic Income Fund and the
Portfolio each may borrow money for temporary or emergency purposes or payments
in an amount not exceeding 5% of the value of its total assets (not including
the amount borrowed) provided that the total amount borrowed by the Strategic
Income Fund or the Portfolio for any purpose does not exceed 33 1/3% of its
total assets.
 
The Funds and the Portfolio may also enter into reverse repurchase agreements
with a bank or recognized securities dealer, although the Strategic Income Fund
currently has no intention of doing so with respect to more than 5% of its total
assets. Under a reverse repurchase agreement, the Funds or the Portfolio would
sell securities and agree to repurchase them at a particular price at a future
date. At the time a Fund or the Portfolio enters into a reverse repurchase
agreement, it will establish and maintain a segregated account with an approved
custodian containing cash or liquid securities having a value not less than the
repurchase price, including accrued interest. Reverse repurchase agreements
involve the risk that the market value of the securities retained in lieu of
sale by a Fund or the Portfolio may decline below the price of the securities a
Fund or the Portfolio has sold but is obligated to repurchase. In the event the
buyer of securities under a reverse repurchase agreement files for bankruptcy or
becomes insolvent, such buyer or its trustee or receiver may receive an
extension of time to determine whether to enforce a Fund's or the Portfolio's
obligation to repurchase the securities, and a Fund's or the Portfolio's use of
the proceeds of the reverse repurchase agreement may effectively be restricted
pending such decision.
 
The Strategic Income Fund and the Portfolio also may enter into "dollar rolls,"
in which the Fund or the Portfolio sells fixed income securities for delivery in
the current month and simultaneously contracts to repurchase substantially
similar (same type, coupon and maturity) securities on a specified future date.
During the roll period, the Fund or the Portfolio would forego principal and
interest paid on such securities. The Fund or the Portfolio would be compensated
by the difference between the current sales price and the forward price for
 
                               Prospectus Page 17
<PAGE>
                             GT GLOBAL INCOME FUNDS
the future purchase, as well as by the interest earned on the cash proceeds of
the initial sale. See "Investment Objectives and Policies" in the Statement of
Additional Information.
 
Reverse repurchase agreements and dollar rolls will be treated as borrowings and
will be deducted from the Strategic Income Fund's or the Portfolio's assets for
purposes of calculating compliance with the Fund's or the Portfolio's borrowing
limitation. See "Investment Limitations" in the Statement of Additional
Information.
 
SECURITIES LENDING. The Government Income Fund, the Strategic Income Fund and
the Portfolio may lend their respective portfolio securities to broker/dealers
or to other institutional investors. Securities lending allows a Fund to retain
ownership of the securities loaned and, at the same time, enhances a Fund's
total return. At all times a loan is outstanding, each Fund and the Portfolio
requires the borrower to maintain with the Fund's or the Portfolio's custodian,
collateral consisting of cash, U.S. government securities, or certain
irrevocable letters of credit equal to at least the value of the borrowed
securities, plus any accrued interest or such other collateral as permitted by a
Fund's investment program and regulatory agencies, and as approved by the Board.
Each Fund and the Portfolio limits its loans of portfolio securities to an
aggregate of 30% of the value of its total assets, measured at the time any such
loan is made. The risks in lending portfolio securities, as with other
extensions of secured credit, consist of possible delays in receiving additional
collateral or in recovery of the loaned securities and possible loss of rights
in the collateral should the borrower fail financially.
 
ZERO COUPON SECURITIES. The Strategic Income Fund and the Portfolio may invest
in certain zero coupon securities that are "stripped" U.S. Treasury notes and
bonds. They also may invest in zero coupon and other deep discount securities
issued by foreign governments and domestic and foreign corporations, including
certain Brady Bonds and other foreign debt and in payment-in-kind securities.
Zero coupon securities pay no interest to holders prior to maturity, and
payment-in-kind securities pay interest in the form of additional securities.
However, a portion of the original issue discount on zero coupon securities and
the "interest" on payment-in-kind securities will be included in the investing
Fund's or Portfolio's income. Accordingly, for a Fund to continue to qualify for
tax treatment as a regulated investment company and to avoid a certain excise
tax (see "Taxes" in the Statement of Additional Information), it may be required
to distribute an amount that is greater than the total amount of cash it
actually receives (or, in the case of the High Income Fund, its share of the
total amount of cash the Portfolio actually receives). These distributions must
be made from the Fund's (or, in the case of the High Income Fund, its, or its
share of, the Portfolio's) cash assets or, if necessary, from the proceeds of
sales of portfolio securities. The Fund or the Portfolio will not be able to
purchase additional income-producing securities with cash used to make such
distributions, and its current income ultimately may be reduced as a result.
Zero coupon and payment-in-kind securities usually trade at a deep discount from
their face or par value and will be subject to greater fluctuations of market
value in response to changing interest rates than debt obligations of comparable
maturities that make current distributions of interest in cash.
 
SYNTHETIC SECURITY POSITIONS. The Government Income Fund, the Strategic Income
Fund and the Portfolio may utilize combinations of futures on bonds and forward
currency contracts to create investment positions that have substantially the
same characteristics as bonds of the same type as those on which the futures
contracts are written. Investment positions of this type are generally referred
to as "synthetic securities."
 
For example, in order to establish a synthetic security position for a Fund or
the Portfolio that is comparable to owning a Japanese government bond, the
Manager might purchase futures contracts on Japanese government bonds in the
desired principal amount and purchase forward currency contracts for Japanese
Yen in an amount equal to the then current purchase price for such bonds in the
Japanese cash market, with each contract having approximately the same delivery
date.
 
The Manager might roll over the futures and forward currency contract positions
before taking delivery in order to continue the Fund's or the Portfolio's
investment position, or the Manager might close out those positions, thus
effectively selling the synthetic security. Further, the amount of each contract
might be adjusted in response to market conditions and the forward currency
contract might be changed in amount or eliminated in order to hedge against
currency fluctuations.
 
The Manager would create synthetic security positions for a Fund or the
Portfolio when it believes that it can obtain a better yield or achieve cost
 
                               Prospectus Page 18
<PAGE>
                             GT GLOBAL INCOME FUNDS
savings in comparison to purchasing actual bonds or when comparable bonds are
not readily available in the market. Synthetic security positions are subject to
the risk that changes in the value of purchased futures contracts may differ
from changes in the value of the bonds that might otherwise have been purchased
in the cash market. Also, while the Manager believes that the cost of creating
synthetic security positions generally will be materially lower than the cost of
acquiring comparable bonds in the cash market, a Fund or the Portfolio will
incur transaction costs in connection with each purchase of a futures or forward
currency contract. The use of futures contracts and forward currency contracts
to create synthetic security positions also is subject to substantially the same
risks as those that exist when these instruments are used in connection with
hedging strategies. See "Options, Futures and Forward Currency Transactions"
below and "Options, Futures and Currency Strategies" in the Statement of
Additional Information.
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. The Government Income Fund,
the Strategic Income Fund and the Portfolio may use forward currency contracts,
futures contracts, options on securities, options on indices, options on
currencies, and options on futures contracts to attempt to hedge against the
overall level of investment and currency risk normally associated with the
Funds' or Portfolio investment. The Strategic Income Fund and the Portfolio also
may enter into interest rate, currency and index swaps and purchase or sell
related caps, floors and collars and other similar instruments. See "Swaps,
Caps, Floors and Collars" below. These instruments are often referred to as
"derivatives," which may be defined as financial instruments whose performance
is derived, at least in part, from the performance of another asset (such as a
security, currency or an index of securities). The Government Income Fund, the
Strategic Income Fund and the Portfolio may enter into such instruments up to
the full value of their portfolio assets. See "Risk Factors -- Options, Futures
and Forward Currency Transactions" herein and "Options, Futures and Currency
Strategies" in the Statement of Additional Information.
 
To attempt to hedge against adverse movements in exchange rates between
currencies, the Government Income Fund, the Strategic Income Fund and the
Portfolio may enter into forward currency contracts for the purchase or sale of
a specified currency at a specified future date. Such contracts may involve the
purchase or sale of a foreign currency against the U.S. dollar or may involve
two foreign currencies. The Government Income Fund, the Strategic Income Fund
and the Portfolio may enter into forward currency contracts either with respect
to specific transactions or with respect to the respective Fund's or the
Portfolio's portfolio positions. Each Fund and the Portfolio also may purchase
and sell put and call options on currencies, futures contracts on currencies and
options on such futures contracts to hedge against movements in exchange rates.
 
In addition, each Fund and the Portfolio may purchase and sell put and call
options on securities to hedge against the risk of fluctuations in the prices of
securities held by the Fund or the Portfolio or that the Manager intends to
include in the Fund's or the Portfolio's portfolio. The Funds and the Portfolio
also may purchase and sell put and call options on indices to hedge against
overall fluctuations in the securities markets generally or in a specific market
sector.
 
Further, the Funds and the Portfolio may sell index futures contracts and may
purchase put options or write call options on such futures contracts to protect
against a general market or market sector decline that could adversely affect
the Fund's or the Portfolio's portfolio. The Funds and the Portfolio also may
purchase index futures contracts and purchase call options or write put options
on such contracts to hedge against a general market or market sector advance and
thereby attempt to lessen the cost of future securities acquisitions. A Fund or
the Portfolio may use interest rate futures contracts and options thereon to
hedge its portfolio against changes in the general level of interest rates.
 
SWAPS, CAPS, FLOORS AND COLLARS. The Strategic Income Fund and the Portfolio may
enter into interest rate, currency and index swaps, and purchase or sell related
caps, floors and collars and other derivative instruments. The Fund and the
Portfolio expect to enter into these transactions primarily to preserve a return
or spread on a particular investment or portion of its portfolio, to protect
against currency fluctuations, as a technique for managing the portfolio's
duration (I.E., the price sensitivity to changes in interest rates) or to
protect against any increase in the price of securities the Fund or the
Portfolio anticipates purchasing at a later date. The Fund and the Portfolio
intend to use these transactions as hedges, and neither will sell interest rate
caps or floors if it does not own securities or other instruments
 
                               Prospectus Page 19
<PAGE>
                             GT GLOBAL INCOME FUNDS
providing an income stream roughly equivalent to what the Fund or the Portfolio
may be obligated to pay.
 
Interest rate swaps involve the exchange by the Fund or the Portfolio with
another party of their respective commitments to pay or receive interest (for
example, an exchange of floating rate payments for fixed rate payments) with
respect to a notional amount of principal. A currency swap is an agreement to
exchange cash flows on a notional amount based on changes in the values of the
reference indices.
 
The purchase of a cap entitles the purchaser to receive payments on a notional
principal amount from the party selling the cap to the extent that a specified
index exceeds a predetermined interest rate. The purchase of an interest rate
floor entitles the purchaser to receive payments on a notional principal amount
from the party selling the floor to the extent that a specified index falls
below a predetermined interest rate or amount. A collar is a combination of a
cap and a floor that preserves a certain return within a predetermined range of
interest rates or values.
 
INDEXED COMMERCIAL PAPER. The Strategic Income Fund and the Portfolio may invest
without limitation in commercial paper which is indexed to certain specific
foreign currency exchange rates. The terms of such commercial paper provide that
its principal amount is adjusted upwards or downwards (but not below zero) at
maturity to reflect changes in the exchange rate between two currencies while
the obligation is outstanding. The Strategic Income Fund and the Portfolio will
purchase such commercial paper with the currency in which it is denominated and,
at maturity, will receive interest and principal payments thereon in that
currency, but the amount of principal payable by the issuer at maturity will
change in proportion to the change (if any) in the exchange rate between the two
specified currencies between the date the instrument is issued and the date the
instrument matures. While such commercial paper entails the risk of loss of
principal, the potential for realizing gains as a result of changes in foreign
currency exchange rates enables the Fund and the Portfolio to hedge against a
decline in the U.S. dollar value of investments denominated in foreign
currencies while seeking to provide an attractive money market rate of return.
The Fund and the Portfolio will not purchase such commercial paper for
speculation.
 
OTHER INDEXED SECURITIES. The Government Income Fund, Strategic Income Fund and
the Portfolio may invest in certain other indexed securities, which are
securities whose prices are indexed to the prices of other securities,
securities indices, currencies, precious metals or other commodities, or other
financial indicators. Indexed securities typically, but not always, are debt
securities or deposits whose value at maturity or coupon rate is determined by
reference to a specific instrument or statistic. The performance of indexed
securities depends to a great extent on the performance of the security,
currency, or other instrument to which they are indexed, and may also be
influenced by interest rate changes in the United States and abroad. At the same
time, indexed securities are subject to the credit risks associated with the
issuer of the security, and their values may decline substantially if the
issuer's creditworthiness deteriorates. Indexed securities may be more volatile
than the underlying instruments. New forms of indexed securities continue to be
developed. Each Fund and Portfolio may invest in such securities to the extent
consistent with its investment objectives.
 
OTHER INFORMATION. Each Fund's investment objectives may not be changed without
the approval of a majority of the respective Fund's outstanding voting
securities. A "majority of the Fund's outstanding voting securities" means the
lesser of (i) 67% of the shares represented at a meeting at which more than 50%
of the outstanding shares are represented, or (ii) more than 50% of the
outstanding shares. In addition, each Fund has adopted certain investment
limitations which also may not be changed without shareholder approval. A
complete description of these limitations is included in the Statement of
Additional Information. Each Fund's other investment policies described herein
and in the Statement of Additional Information may be changed by the Company's
Board of Directors without shareholder approval.
 
The approval of the High Income Fund and of other investors in the Portfolio, if
any, is not required to change the investment objectives, policies or
limitations of the Portfolio, unless otherwise specified. Written notice shall
be provided to shareholders of the High Income Fund thirty days prior to any
changes in the Portfolio's investment objectives.
 
                               Prospectus Page 20
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
GENERAL. There is no assurance that any Fund or the Portfolio will achieve its
investment objectives. The Fund's net asset value will fluctuate, reflecting
fluctuations in the market value of its portfolio positions and its net currency
exposure. The value of fixed income securities held by the Government Income
Fund, the Strategic Income Fund and the Portfolio generally fluctuates inversely
with interest rate movements. Longer term bonds held by the Government Income
Fund, the Strategic Income Fund or the Portfolio are subject to greater interest
rate risk.
 
NON-DIVERSIFIED CLASSIFICATION. Each Fund and the Portfolio is classified under
the Investment Company Act of 1940 (the "1940 Act") as a "non-diversified" fund.
As a result, the Government Income Fund, the Strategic Income Fund and the
Portfolio each will be able to invest in a fewer number of issuers than if it
were classified under the 1940 Act as a "diversified" fund. To the extent that a
Fund or the Portfolio invests in a smaller number of issuers, the value of each
Fund's shares may fluctuate more widely and the Funds and the Portfolio may be
subject to greater investment and credit risk with respect to their portfolios.
 
FOREIGN INVESTING. Investing in foreign securities entails certain risks. The
securities of non-U.S. issuers generally are not registered with the SEC, nor
are the issuers thereof usually subject to the SEC's reporting requirements.
Accordingly, there may be less publicly available information about foreign
securities and issuers than is available with respect to U.S. securities and
issuers. Foreign companies generally are not subject to uniform accounting,
auditing and financial reporting standards, practices and requirements
comparable to those applicable to U.S. companies. In addition, certain costs
attributable to foreign investing, such as custody charges, are higher than
those attributable to domestic investing. Securities of some foreign companies
are less liquid and their prices may be more volatile than securities of
comparable domestic companies. The Government Income and Strategic Income Funds'
and the Portfolio's interest and dividends from foreign issuers may be subject
to non-U.S. withholding taxes, thereby reducing their net investment income.
 
With respect to some foreign countries, there is the increased possibility of
expropriation or confiscatory taxation, limitations on the removal of funds or
other assets of the Government Income Fund, the Strategic Income Fund and the
Portfolio, political or social instability, or diplomatic developments which
could affect the investments of the Government Income Fund, the Strategic Income
Fund and the Portfolio in those countries. Moreover, individual foreign
economies may differ favorably or unfavorably from the U.S. economy in such
respects as growth of gross national product, rate of inflation, rate of savings
and capital reinvestment, resource self-sufficiency and balance of payments
positions.
 
CURRENCY RISK. Since the Government Income Fund, the Strategic Income Fund and
the Portfolio normally invest substantially in securities denominated in
currencies other than the U.S. dollar, and because they may hold foreign
currencies, they will be affected favorably or unfavorably by exchange control
regulations or changes in the exchange rates between such currencies and the
U.S. dollar. Changes in currency exchange rates will influence the value of the
Funds' shares, and also may affect the value of dividends and interest earned by
the Funds and gains and losses realized by the Funds. Currencies generally are
evaluated on the basis of fundamental economic criteria (e.g., relative
inflation and interest rate levels and trends, growth rate forecasts, balance of
payments status and economic policies) as well as technical and political data.
The exchange rates between the U.S. dollar and other currencies are determined
by supply and demand in the currency exchange markets, the international balance
of payments, governmental intervention, speculation and other economic and
political conditions. If the currency in which a security is denominated
appreciates against the U.S. dollar, the dollar value of the security will
increase. Conversely, a decline in the exchange rate of the currency would
adversely affect the value of the security expressed in U.S. dollars.
 
In addition, many of the currencies in emerging market countries have
experienced steady devaluations relative to the U.S. dollar and major
 
                               Prospectus Page 21
<PAGE>
                             GT GLOBAL INCOME FUNDS
devaluations have historically occurred in certain countries.
 
INVESTING IN EMERGING MARKETS. Because of the special risks associated with
investing in emerging markets, an investment in the Strategic Income Fund and
the Portfolio should be considered speculative. Investors are strongly advised
to consider carefully the special risks involved in emerging markets, which are
in addition to the usual risks of investing in developed foreign markets around
the world.
 
Investing in emerging markets involves risks relating to potential political and
economic instability within such markets and the risks of expropriation,
nationalization, confiscation of assets and property or the imposition of
restrictions on foreign investment and on repatriation of capital invested. In
the event of such expropriation, nationalization or other confiscation in any
emerging market, the Strategic Income Fund or the Portfolio could lose its
entire investment in that market.
 
Many emerging market countries have experienced substantial, and in some periods
extremely high, rates of inflation for many years. Inflation and rapid
fluctuations in inflation rates have had and may continue to have negative
effects on the economies and securities markets of certain emerging market
countries.
 
Economies in emerging markets generally are dependent heavily upon international
trade and, accordingly, have been and may continue to be affected adversely by
trade barriers, exchange controls, managed adjustments in relative currency
values and other protectionist measures imposed or negotiated by the countries
with which they trade. These economies also have been and may continue to be
affected adversely by economic conditions in the countries in which they trade.
 
The securities markets of emerging countries are substantially smaller, less
developed, less liquid and more volatile than the securities markets of the
United States and other more developed countries. Disclosure and regulatory
standards in many respects are less stringent than in the United States and
other major markets. There also may be a lower level of monitoring and
regulation of emerging securities markets and the activities of investors in
such markets, and enforcement of existing regulations has been extremely
limited.
 
In addition, brokerage commissions, custodial services and other costs relating
to investment in foreign markets generally are more expensive than in the United
States, particularly with respect to emerging markets. Such markets have
different settlement and clearance procedures. In certain markets there have
been times when settlements have been unable to keep pace with the volume of
securities transactions, making it difficult to conduct such transactions. The
inability of the Strategic Income Fund or the Portfolio to make intended
securities purchases due to settlement problems could cause the Strategic Income
Fund or the Portfolio to forego attractive investment opportunities. Inability
to dispose of a portfolio security caused by settlement problems could result
either in losses to the Strategic Income Fund or the Portfolio due to subsequent
declines in value of the portfolio security or, if the Strategic Income Fund or
the Portfolio has entered into a contract to sell the security, could result in
possible liability to the purchaser.
 
The risk also exists that an emergency situation may arise in one or more
emerging markets as a result of which trading of securities may cease or may be
substantially curtailed and prices for the Strategic Income Fund's or the
Portfolio's portfolio securities in such markets may not be readily available.
Section 22(e) of the 1940 Act permits a registered investment company to suspend
redemption of its shares for any period during which an emergency exists, as
determined by the SEC. Accordingly, when the Strategic Income Fund or the
Portfolio believes that appropriate circumstances warrant, it will promptly
apply to the SEC for a determination that an emergency exists within the meaning
of Section 22(e) of the 1940 Act. During the period commencing from the
Strategic Income Fund's or the Portfolio's identification of such conditions
until the date of SEC action, the portfolio securities of the Strategic Income
Fund or the Portfolio in the affected markets will be valued at fair value as
determined in good faith by or under the direction of the Company's Board of
Directors or the Portfolio's Board of Trustees.
 
MORTGAGE-BACKED AND ASSET-BACKED SECURITIES. The yield characteristics of
mortgage-backed and asset-backed securities differ from those of traditional
bonds. Among the major differences are that interest and principal payments are
made more frequently (usually monthly) and that principal may be prepaid at any
time because the underlying mortgage loans or other assets generally may be
prepaid at any time. Generally, prepayments on fixed-rate mortgage loans will
increase during a period of falling interest rates and decrease
 
                               Prospectus Page 22
<PAGE>
                             GT GLOBAL INCOME FUNDS
during a period of rising interest rates. Mortgage-backed and asset-backed
securities may also decrease in value as a result of increasing market interest
rates and, because of prepayments, may benefit less than other bonds from
declining interest rates. Reinvestments of prepayments may occur at lower
interest rates than the original investment, thus adversely affecting the yield
of the Government Income Fund or the Strategic Income Fund. Actual prepayment
experience may cause the yield of a mortgage-backed security to differ from what
was assumed when the Fund purchased the security. The market for privately
issued mortgage-backed and asset-backed securities is smaller and less liquid
than the market for U.S. government mortgage-backed securities.
 
LOAN PARTICIPATIONS AND ASSIGNMENTS. The Strategic Income Fund and the Portfolio
may have difficulty disposing of Assignments and Participations. The liquidity
of such securities is limited and, the Fund and the Portfolio anticipate that
such securities could be sold only to a limited number of institutional
investors. The lack of a liquid secondary market could have an adverse impact on
the value of such securities and on the Fund's and the Portfolio's ability to
dispose of particular Assignments or Participations when necessary to meet the
Fund's and/or the Portfolio's liquidity needs or in response to a specific
economic event, such as a deterioration in the creditworthiness of the borrower.
The lack of a liquid secondary market for Assignments and Participations also
may make it more difficult for the Fund and/or the Portfolio to assign a value
to those securities for purposes of valuing the Fund's or the Portfolio's
portfolio and calculating its net asset value.
 
SOVEREIGN DEBT. The Strategic Income Fund and the Portfolio may invest in
sovereign debt securities of emerging market governments, including Brady Bonds.
Investments in such securities involve special risks. The issuer of the debt or
the governmental authorities that control the repayment of the debt may be
unable or unwilling to repay principal or interest when due in accordance with
the terms of such debt. Periods of economic uncertainty may result in the
volatility of market prices of sovereign debt obligations, and in turn a Fund's
net asset value, to a greater extent than the volatility inherent in domestic
fixed income securities.
 
A sovereign debtor's willingness or ability to repay principal and pay interest
in a timely manner may be affected by, among other factors, its cash flow
situation, the extent of its foreign reserves, the availability of sufficient
foreign exchange on the date a payment is due, the relative size of the debt
service burden to the economy as a whole, the sovereign debtor's policy toward
principal international lenders and the political constraints to which a
sovereign debtor may be subject. Emerging market governments could default on
their sovereign debt. Such sovereign debtors also may be dependent on expected
disbursements from foreign governments, multilateral agencies and other entities
abroad to reduce principal and interest arrearages on their debt. The commitment
on the part of these governments, agencies and others to make such disbursements
may be conditioned on a sovereign debtor's implementation of economic reforms
and/or economic performance and the timely service of such debtor's obligations.
Failure to implement such reforms, achieve such levels of economic performance
or repay principal or interest when due, may result in the cancellation of such
third parties' commitments to lend funds to the sovereign debtor, which may
further impair such debtor's ability or willingness to timely service its debts.
 
The occurrence of political, social or diplomatic changes in one or more of the
countries issuing sovereign debt could adversely affect the Fund's or the
Portfolio's investments. Emerging markets are faced with social and political
issues and some of them have experienced high rates of inflation in recent years
and have extensive internal debt. Among other effects, high inflation and
internal debt service requirements may adversely affect the cost and
availability of future domestic sovereign borrowing to finance governmental
programs, and may have other adverse social, political and economic
consequences. Political changes or a deterioration of a country's domestic
economy or balance of trade may affect the willingness of countries to service
their sovereign debt. Although the Manager intends to manage the Strategic
Income Fund and the Portfolio in a manner that will minimize the exposure to
such risks, there can be no assurance that adverse political changes will not
cause the Fund or the Portfolio to suffer a loss of interest or principal on any
of its holdings.
 
In recent years, some of the emerging market countries in which the Strategic
Income Fund and the Portfolio expect to invest have encountered difficulties in
servicing their sovereign debt obligations. Some of these countries have
withheld payments of interest and/or principal of sovereign debt. These
difficulties have also led to agreements to restructure external debt
obligations -- in particular,
 
                               Prospectus Page 23
<PAGE>
                             GT GLOBAL INCOME FUNDS
commercial bank loans, typically by rescheduling principal payments, reducing
interest rates and extending new credits to finance interest payments on
existing debt. In the future, holders of emerging market sovereign debt
securities may be requested to participate in similar rescheduling of such debt.
Certain emerging market countries are among the largest debtors to commercial
banks and foreign governments. Currently, Brazil, Mexico and Argentina are the
largest debtors among developing countries. At times certain emerging market
countries have declared moratoria on the payment of principal and interest on
external debt; such a moratorium is currently in effect in certain emerging
market countries. There is no bankruptcy proceeding by which a creditor may
collect in whole or in part sovereign debt on which an emerging market
government has defaulted.
 
The ability of emerging market governments to make timely payments on their
sovereign debt securities is likely to be influenced strongly by a country's
balance of trade and its access to trade and other international credits. A
country whose exports are concentrated in a few commodities could be vulnerable
to a decline in the international prices of one or more of such commodities.
Increased protectionism on the part of a country's trading partners could also
adversely affect its exports. Such events could diminish a country's trade
account surplus, if any. To the extent that a country receives payment for its
exports in currencies other than hard currencies, its ability to make hard
currency payments could be affected.
 
Investors should also be aware that certain sovereign debt instruments in which
the Strategic Income Fund and the Portfolio may invest involve great risk. As
noted above, sovereign debt obligations issued by emerging market governments
generally are deemed to be the equivalent in terms of quality to securities
rated below investment grade by Moody's and S&P. Such securities are regarded as
predominantly speculative with respect to the issuer's capacity to pay interest
and repay principal in accordance with the terms of the obligations and involve
major risk exposure to adverse conditions. Some of such securities, with respect
to which the issuer currently may not be paying interest or may be in payment
default, may be comparable to securities rated D by S&P or C by Moody's. The
Strategic Income Fund and the Portfolio may have difficulty disposing of and
valuing certain sovereign debt obligations because there may be a limited
trading market for such securities. Because there is no liquid secondary market
for many of these securities, the Strategic Income Fund and the Portfolio
anticipate that such securities could be sold only to a limited number of
dealers or institutional investors.
 
LOWER QUALITY DEBT SECURITIES. Under normal market conditions the Strategic
Income Fund may invest up to 50% of its total assets in debt securities rated
below investment grade, and up to 100% the Portfolio's total assets will be so
invested. Such investments involve a high degree of risk.
 
Debt rated Baa by Moody's is considered by Moody's to have speculative
characteristics. Debt rated BB, B, CCC, CC or C by S&P and debt rated Ba, B,
Caa, Ca or C by Moody's, is regarded, on balance, as predominantly speculative
with respect to the issuer's capacity to pay interest and repay principal in
accordance with the terms of the obligation. While such lower quality debt will
likely have some quality and protective characteristics, these are outweighed by
large uncertainties or major risk exposures to adverse conditions. Debt rated C
by Moody's or S&P is the lowest quality debt that is not in default as to
principal or interest and such issues so rated can be regarded as having
extremely poor prospects of ever attaining any real investment standing. Lower
quality debt securities are also generally considered to be subject to greater
risk than higher quality securities with regard to a deterioration of general
economic conditions. These securities are the equivalent of high yield, high
risk bonds, commonly known as "junk bonds." As noted above, the Strategic Income
Fund and the Portfolio may invest in debt securities rated below C, which are in
default as to principal and/ or interest.
 
Ratings of debt securities represent the rating agency's opinion regarding their
quality and are not a guarantee of quality. Rating agencies attempt to evaluate
the safety of principal and interest payments and do not evaluate the risks of
fluctuations in market value. Also, rating agencies may fail to make timely
changes in credit quality in response to subsequent events, so that an issuer's
current financial condition may be better or worse than a rating indicates. See
"Appendix A" for a discussion of Moody's and S&P's ratings.
 
The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition,
 
                               Prospectus Page 24
<PAGE>
                             GT GLOBAL INCOME FUNDS
lower quality debt securities tend to be more sensitive to economic conditions
and generally have more volatile prices than higher quality securities. Issuers
of lower quality securities are often highly leveraged and may not have
available to them more traditional methods of financing. For example, during an
economic downturn or a sustained period of rising interest rates, highly
leveraged issuers of lower quality securities may experience financial stress.
During such periods, such issuers may not have sufficient revenues to meet their
interest payment obligations. The issuer's ability to service its debt
obligations may also be adversely affected by specific developments affecting
the issuer, such as the issuer's inability to meet specific projected business
forecasts or the unavailability of additional financing. The risk of loss due to
default by the issuer is significantly greater for the holders of lower quality
securities because such securities are generally unsecured and may be
subordinated to the claims of other creditors of the issuer.
 
Lower quality debt securities of corporate issuers frequently have call or
buy-back features which would permit an issuer to call or repurchase the
security from the Strategic Income Fund or the Portfolio. If an issuer exercises
these provisions in a declining interest rate market, the Strategic Income Fund
or the Portfolio may have to replace the security with a lower yielding
security, resulting in a decreased return for investors. In addition, the
Strategic Income Fund and the Portfolio may have difficulty disposing of lower
quality securities because there may be a thin trading market for such
securities. There may be no established retail secondary market for many of
these securities, and the Strategic Income Fund and the Portfolio anticipate
that such securities could be sold only to a limited number of dealers or
institutional investors. The lack of a liquid secondary market also may have an
adverse impact on market prices of such instruments and may make it more
difficult for the Strategic Income Fund and the Portfolio to obtain accurate
market quotations for purposes of valuing the securities in the portfolios of
the Strategic Income Fund and the Portfolio. Adverse publicity and investor
perceptions, whether or not based on fundamental analysis, may also decrease the
values and liquidity of lower quality securities, especially in a thinly traded
market. The Strategic Income Fund and the Portfolio also may acquire lower
quality debt securities during an initial underwriting or may acquire lower
quality debt securities which are sold without registration under applicable
securities laws. Such securities involve special considerations and risks.
 
Factors having an adverse effect on the market value of lower rated securities
or their equivalents purchased by the Strategic Income Fund and the Portfolio
will adversely impact net asset value of the Strategic Income Fund and the High
Income Fund. See "Risk Factors" in the Statement of Additional Information. In
addition to the foregoing, such factors may include: (i) potential adverse
publicity; (ii) heightened sensitivity to general economic or political
conditions; and (iii) the likely adverse impact of a major economic recession.
The Strategic Income Fund and the Portfolio each also may incur additional
expenses to the extent it is required to seek recovery upon a default in the
payment of principal or interest on its portfolio holdings, and the Fund and the
Portfolio may have limited legal recourse in the event of a default. Debt
securities issued by governments in emerging markets can differ from debt
obligations issued by private entities in that remedies from defaults generally
must be pursued in the courts of the defaulting government, and legal recourse
is therefore somewhat diminished. Political conditions, in terms of a
government's willingness to meet the terms of its debt obligations, also are of
considerable significance. There can be no assurance that the holders of
commercial bank debt may not contest payments to the holders of debt securities
issued by governments in emerging markets in the event of default by the
governments under commercial bank loan agreements.
 
As of October 31, 1997, the Strategic Income Fund and the Portfolio had 89.27%
and 86.59%, respectively, of their total net assets in debt securities that
received a rating from Moody's and 4.00% and 10.29%, respectively, of their
total net assets in debt securities that were not so rated. In addition, the
Strategic Income Fund and the Portfolio had 6.73% and 3.12%, respectively, of
their total net assets in cash and net receivables. The Strategic Income Fund
had the following percentages of its total net assets invested in rated
securities: Aaa -- 41.23%, Aa -- 12.68%, A -- 1.31%, Baa -- 3.75%, Ba -- 24.30%,
B -- 6.00%, Caa -- 0.00%, Ca -- 0.00%, C -- 0.00%. Included under the unrated
category are securities held by the Strategic Income Fund which, while unrated,
have been determined by the Manager to be of comparable quality to securities in
the following categories: Ba -- 1.03%; and B -- 2.97%. The Portfolio had the
following percentages of its total net assets invested in rated securities: Aaa
- -- 7.99%, Aa -- 0.00%, A -- 0.00%, Baa -- 13.11%, Ba -- 48.56%, B -- 16.93%, Caa
- -- 0.00%, Ca -- 0.00%, C -- 0.00%. Included under the unrated category are
securities held by the Portfolio
 
                               Prospectus Page 25
<PAGE>
                             GT GLOBAL INCOME FUNDS
which, while unrated, have been determined by the Manager to be of comparable
quality to securities in the following rating categories: Ba -- 3.22%; and B --
7.07%. It should be noted that the allocation of the investments of the
Strategic Income Fund and the Portfolio by rating on any given date will vary
and should not be considered representative of the future portfolio composition
of the Strategic Income Fund or the Portfolio.
 
OPTIONS, FUTURES AND FORWARD CURRENCY TRANSACTIONS. Although each Fund and the
Portfolio is authorized to enter into options, futures and forward currency
transactions, the Funds and the Portfolio might not enter into any such
transactions. In addition, issuers in emerging markets typically are subject to
a greater degree of change in earnings and business prospects than issuers in
developed countries. Options, futures and foreign currency transactions involve
certain risks, which include: (1) dependence on the Manager's ability to predict
movements in the prices of individual securities, fluctuations in the general
securities markets or in the appropriate market sector and movements in interest
rates and currency markets; (2) imperfect correlation, or even no correlation,
between movements in the price of options, forward contracts, futures contracts
or options thereon and movements in the price of the currency or security hedged
or used for cover; (3) the fact that skills and techniques needed to trade
options, futures contracts and options thereon or to use forward currency
contracts are different from those needed to select the securities in which a
Fund or Portfolio invests; (4) lack of assurance that a liquid secondary market
will exist for any particular option, futures contract or option thereon at any
particular time; (5) the possible loss of principal under certain conditions;
and (6) the possible inability of a Fund or Portfolio to purchase or sell a
portfolio security at a time when it would otherwise be favorable for it to do
so, or the possible need for a Fund or Portfolio to sell a security at a
disadvantageous time, due to the need for the Fund or Portfolio to maintain
"cover" or to set aside securities in connection with hedging transactions.
 
ILLIQUID SECURITIES. The Government Income Fund may invest up to 10% of its
total assets, and the Strategic Income Fund and the Portfolio up to 15% of their
net assets, in securities for which no readily available market exists,
so-called "illiquid securities." Illiquid securities may be more difficult to
value than liquid securities and the sale of illiquid securities generally will
require more time and result in higher brokerage charges or dealer discounts and
other selling expenses than the sale of liquid securities. Moreover, illiquid
restricted securities often sell at a price lower than similar securities that
are not subject to restrictions on resale.
 
                               Prospectus Page 26
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                 HOW TO INVEST
 
- --------------------------------------------------------------------------------
 
GENERAL. Advisor Class shares are offered through this Prospectus to (a)
trustees or other fiduciaries purchasing shares for employee benefit plans which
are sponsored by organizations which have at least 1,000 employees; (b) any
account with assets of at least $10,000 if (i) a financial planner, trust
company, bank trust department or registered investment adviser has investment
discretion over such account, and (ii) the account holder pays such person as
compensation for its advice and other services an annual fee of at least .50% on
the assets in the account ("Advisory Account"); (c) any account with assets of
at least $10,000 if (i) such account is established under a "wrap fee" program,
and (ii) the account holder pays the sponsor of such program an annual fee of at
least .50% on the assets in the account ("Wrap Fee Account"); (d) accounts
advised by one of the companies composing or affiliated with Liechtenstein
Global Trust; and (e) any of the companies composing or affiliated with
Liechtenstein Global Trust. Financial planners, trust companies, bank trust
companies and registered investment advisers referenced in subpart (b) and
sponsors of "wrap fee" programs referenced in subpart (c) are collectively
referred to as "Financial Advisers." Investors in Wrap Fee Accounts and Advisory
Accounts may only purchase Advisor Class shares through Financial Advisers who
have entered into agreements with GT Global and certain of its affiliates.
Investors may be charged a fee by their agents or brokers if they effect
transactions other than through a dealer.
 
All purchase orders will be executed at the public offering price next
determined after the purchase order is received. Orders received by GT Global
before the close of regular trading on the New York Stock Exchange ("NYSE")
(currently 4:00 p.m. Eastern Time, unless weather, equipment failure or other
factors contribute to an earlier closing time) on any Business Day will be
executed at the public offering price for the applicable class of shares
determined that day. A "Business Day" is any day Monday through Friday on which
the NYSE is open for business. Orders received by authorized institutions (or
their designees) before the close of regular trading on the NYSE on a Business
Day will be deemed to have been received by a Fund on such day and will be
effected that day, provided that such orders are transmitted to the Transfer
Agent prior to the time set for the receipt of such orders. The authorized
institution (or its designee) will be responsible for forwarding the investor's
order to the Transfer Agent so that it will be received prior to such time. THE
FUNDS AND GT GLOBAL RESERVE THE RIGHT TO REJECT ANY PURCHASE ORDER. In
particular, the Funds and GT Global may reject purchase orders or exchanges by
investors who appear to follow, in the Manager's judgment, a market-timing
strategy or otherwise engage in excessive trading. See "How to Make Exchanges --
Limitations on Purchase Orders and Exchanges."
 
Fiduciaries and Financial Advisers may be required to provide information
satisfactory to GT Global concerning their eligibility to purchase Advisor Class
shares. For specific information on opening an account, please contact your
Financial Adviser or GT Global.
 
PURCHASES BY BANK WIRE. Shares of the Funds may also be purchased through GT
Global by bank wire. Bank wire purchases will be effected at the next determined
public offering price after the bank wire is received. A wire investment is
considered received when the Transfer Agent is notified that the bank wire has
been credited to the Funds. Prior telephonic or facsimile notice that a bank
wire is being sent must be provided to the Transfer Agent. A bank may charge a
service fee for wiring money to the Funds. The Transfer Agent currently does not
charge a service fee for facilitating wire purchases, but reserves the right to
do so in the future. For more information, please refer to the Shareholder
Account Manual in this Prospectus.
 
CERTIFICATES. Physical certificates representing a Fund's shares will not be
issued unless a written request is submitted to the Transfer Agent. Shares of a
Fund are recorded on a register by the Transfer Agent, and shareholders who do
not elect to receive certificates have the same rights of ownership as if
certificates had been issued to them. Redemptions and exchanges by shareholders
who hold certificates may take longer to effect than similar transactions
involving non-certificated shares because the physical delivery and processing
 
                               Prospectus Page 27
<PAGE>
                             GT GLOBAL INCOME FUNDS
of properly executed certificates is required. ACCORDINGLY, THE FUNDS AND GT
GLOBAL RECOMMEND THAT SHAREHOLDERS DO NOT REQUEST ISSUANCE OF CERTIFICATES.
 
PORTFOLIO REBALANCING PROGRAM. The GT Global Portfolio Rebalancing Program
("Program") permits eligible shareholders to establish and maintain an
allocation across a range of GT Global Mutual Funds. The Program automatically
rebalances holdings of GT Global Mutual Funds to the established allocation on a
periodic basis. Under the Program, a shareholder may predesignate, on a
percentage basis, how the total value of his or her holdings in a minimum of
two, and a maximum of ten, GT Global Mutual Funds ("Personal Portfolio") is to
be rebalanced on a monthly, quarterly, semiannual, or annual basis.
 
Rebalancing under the Program will be effected through the exchange of shares of
one or more GT Global Mutual Funds in the shareholder's Personal Portfolio for
shares of the same class of one or more other GT Global Mutual Funds in the
shareholder's Personal Portfolio. See "How to Make Exchanges." If shares of the
GT Global Mutual Fund(s) in a shareholder's Personal Portfolio have appreciated
during a rebalancing period, the Program will result in shares of GT Global
Mutual Fund(s) that have appreciated most during the period being exchanged for
shares of GT Global Mutual Fund(s) that have appreciated least. SUCH EXCHANGES
ARE NOT TAX-FREE AND MAY RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS
THE CASE MAY BE, FOR FEDERAL INCOME TAX PURPOSES. See "Dividends, Other
Distributions and Federal Income Taxation." Participation in the Program does
not assure that a shareholder will profit from purchases under the Program nor
does it prevent or lessen losses in a declining market.
 
The Program will automatically rebalance the shareholder's Personal Portfolio on
the 28th day of the last month of the period chosen (or the immediately
preceding business day if the 28th is not a business day), subject to any
limitations below. The Program will not execute an exchange if the variance in a
shareholder's Personal Portfolio for a particular Fund would be 2% or less. In
predesignating percentages, shareholders must use whole percentages and totals
must equal 100%. Shareholders participating in the Program may not request
issuance of physical certificates representing a Fund's shares. Exchanges made
under the Program are not subject to the four free exchanges per year
limitation. The Funds and GT Global reserve the right to modify, suspend, or
terminate the Program at any time on 60 days' prior written notice to
shareholders. A request to participate in the Program must be received in good
order at least five business days prior to the next rebalancing date. Once a
shareholder establishes the Program for his or her Personal Portfolio, a
shareholder cannot cancel or change which rebalancing frequency, which Funds or
what allocation percentages are assigned to the Program, unless canceled or
changed in writing and received by the Transfer Agent in good order at least
five business days prior to the rebalancing date. Certain broker/ dealers may
charge a fee for establishing accounts relating to the Program. Investors should
contact their broker/dealers or GT Global for more information.
 
                               Prospectus Page 28
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                             HOW TO MAKE EXCHANGES
 
- --------------------------------------------------------------------------------
 
Advisor Class shares of a Fund may be exchanged for Advisor Class shares of any
other GT Global Mutual Fund based on their respective net asset values, provided
that the registration remains identical. EXCHANGES ARE NOT TAX-FREE AND MAY
RESULT IN A SHAREHOLDER'S REALIZING A GAIN OR LOSS, AS THE CASE MAY BE, FOR
FEDERAL INCOME TAX PURPOSES. See "Dividends, Other Distributions and Federal
Income Taxation." In addition to the Funds, the GT Global Mutual Funds currently
include:
 
   -- GT GLOBAL AMERICA MID CAP GROWTH FUND
   -- GTGLOBAL AMERICA SMALL CAP GROWTH FUND
   -- GT GLOBAL AMERICA VALUE FUND
   -- GTGLOBAL CONSUMER PRODUCTS AND
       SERVICES FUND
   -- GT GLOBAL DEVELOPING MARKETS FUND
   -- GT GLOBAL DOLLAR FUND
   -- GT GLOBAL EUROPE GROWTH FUND
   -- GT GLOBAL FINANCIAL SERVICES FUND
   -- GT GLOBAL GROWTH & INCOME FUND
   -- GT GLOBAL HEALTH CARE FUND
   -- GT GLOBAL INFRASTRUCTURE FUND
   -- GT GLOBAL INTERNATIONAL GROWTH FUND
   -- GT GLOBAL JAPAN GROWTH FUND
   -- GT GLOBAL LATIN AMERICA GROWTH FUND
   -- GT GLOBAL NATURAL RESOURCES FUND
   -- GT GLOBAL NEW DIMENSION FUND
   -- GT GLOBAL NEW PACIFIC GROWTH FUND
   -- GT GLOBAL TELECOMMUNICATIONS FUND
   -- GT GLOBAL WORLDWIDE GROWTH FUND
 
Up to four exchanges each year per Fund may be made without charge. A $7.50
service charge will be imposed on each subsequent exchange. Exchange requests
received in good order by the Transfer Agent before the close of regular trading
on the NYSE on any Business Day will be processed at the net asset value
calculated on that day. The terms of the exchange offer may be modified at any
time, on 60 days' prior written notice.
 
EXCHANGES BY TELEPHONE. A shareholder may give exchange information to his or
her Financial Adviser. Exchange orders will be accepted by telephone provided
that the exchange involves only uncertificated shares on deposit in the
shareholder's account or for which certificates have previously been deposited.
Shareholders automatically have telephone privileges to authorize exchanges. The
Funds, GT Global and the Transfer Agent will not be liable for any loss or
damage for acting in good faith upon instructions received by telephone and
reasonably believed to be genuine. The Funds employ reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
 
Investors in Wrap Fee Accounts and Advisory Accounts interested in making an
exchange should contact his or her Financial Adviser to request the prospectus
of the other GT Global Mutual Fund(s) being considered. Other investors should
contact GT Global. See the Shareholder Account Manual in this Prospectus for
additional information.
 
LIMITATIONS ON PURCHASE ORDERS AND EXCHANGES. The GT Global Mutual Funds are not
intended to serve as vehicles for frequent trading in response to short-term
fluctuations in the market. Due to the disruptive effect that market-timing
investment strategies and excessive trading can have on efficient portfolio
management, each GT Global Mutual Fund and GT Global reserve the right to refuse
purchase orders and exchanges by any person or group, if, in the Manager's
judgment, such person or group was following a market-timing strategy or was
otherwise engaging in excessive trading.
 
In addition, each GT Global Mutual Fund and GT Global reserve the right to
refuse purchase orders and exchanges by any person or group if, in the Manager's
judgment, the Fund would not be able to invest the money effectively in
accordance with that Fund's investment objective and policies or would otherwise
potentially be adversely affected. Although a GT Global Mutual Fund will attempt
to give investors prior notice whenever it is reasonably able to do so, it may
impose the above restrictions at any time.
 
Finally, as described above, each GT Global Mutual Fund and GT Global reserve
the right to reject any purchase order.
 
                               Prospectus Page 29
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                              HOW TO REDEEM SHARES
 
- --------------------------------------------------------------------------------
 
Shares of each Fund may be redeemed at their net asset value and redemption
proceeds will be sent within seven days of the execution of a redemption
request. Redemption requests may be transmitted to the Transfer Agent by
telephone or by mail, in accordance with the instructions provided in the
Shareholder Account Manual. Redemptions will be effected at the net asset value
next determined after the Transfer Agent has received the request in good order
and any required supporting documentation. Redemption requests will not require
a signature guarantee if the redemption proceeds are to be sent either: (i) to
the redeeming shareholder at the shareholder's address of record as maintained
by the Transfer Agent, provided the shareholder's address of record has not been
changed within the preceding fifteen days; or (ii) directly to a pre-designated
bank, savings and loan or credit union account ("Pre-Designated Account"). ALL
OTHER REDEMPTION REQUESTS MUST BE ACCOMPANIED BY A SIGNATURE GUARANTEE OF THE
REDEEMING SHAREHOLDER'S SIGNATURE. A signature guarantee can be obtained from
any bank, U.S. trust company, a member firm of a U.S. stock exchange or a
foreign branch of any of the foregoing or other eligible guarantor institution.
A notary public is not an acceptable guarantor.
 
Shareholders with Pre-Designated Accounts should request that redemption
proceeds be sent either by bank wire or by check. The minimum redemption amount
for a bank wire is $500. Shareholders requesting a bank wire should allow two
business days from the time the redemption request is effected for the proceeds
to be deposited in the shareholder's Pre-Designated Account. See "How to Redeem
Shares -- Other Important Redemption Information." Shareholders may change their
Pre-Designated Accounts only by a letter of instruction to the Transfer Agent
containing all account signatures, each of which must be guaranteed. The
Transfer Agent currently does not charge a bank wire service fee for each wire
redemption sent, but reserves the right to do so in the future. The
shareholder's bank may charge a bank wire service fee.
 
REDEMPTIONS BY TELEPHONE. Redemption requests may be made by telephone by
calling the Transfer Agent at the appropriate toll-free number provided in the
Shareholder Account Manual. Shareholders who hold certificates for shares may
not redeem by telephone. REDEMPTION REQUESTS MAY NOT BE MADE BY TELEPHONE FOR
FIFTEEN DAYS FOLLOWING ANY CHANGE OF THE SHAREHOLDER'S ADDRESS OF RECORD.
 
Shareholders automatically have telephone privileges to authorize redemptions.
The Funds, GT Global and the Transfer Agent will not be liable for any loss or
damage for acting in good faith upon instructions received by telephone and
reasonably believed to be genuine. The Fund employs reasonable procedures to
confirm that instructions communicated by telephone are genuine prior to acting
upon instructions received by telephone, including requiring some form of
personal identification, providing written confirmation of such transactions,
and/or tape recording of telephone instructions.
 
REDEMPTIONS BY MAIL. Redemption requests should be mailed directly to the
Transfer Agent at the appropriate address provided in the Shareholder Account
Manual. As discussed above, requests for payment of redemption proceeds to a
party other than the shareholder of record and/or requests that redemption
proceeds be mailed to an address other than the shareholder's address of record
require a signature guarantee. In addition, if the shareholder's address of
record has been changed within the preceding fifteen days, a signature guarantee
is required. Redemptions of shares for which certificates have been issued must
be accompanied by properly endorsed share certificates.
 
OTHER IMPORTANT REDEMPTION INFORMATION. A request for redemption will not be
processed until all of the necessary documentation has been received in good
order. A shareholder in a Wrap Fee Account or Advisory Account who is in doubt
as to what documents are required should contact his Financial Adviser.
 
Except in extraordinary circumstances and as permitted under the 1940 Act,
payment for shares redeemed by telephone, or by mail will be made promptly after
receipt of a redemption request, if
 
                               Prospectus Page 30
<PAGE>
                             GT GLOBAL INCOME FUNDS
in good order, but not later than seven days after the date the request is
executed. Requests for redemption which are subject to any special conditions or
which specify a future or past effective date cannot be accepted.
 
If the Transfer Agent is requested to redeem shares for which a Fund has not yet
received good payment, the Fund may delay payment of redemption proceeds until
the Transfer Agent has assured itself that good payment has been collected for
the purchase of the shares. In the case of purchases by check it can take up to
10 business days to confirm that the check has cleared and good payment has been
received. Redemption proceeds will not be delayed when shares have been paid for
by wire or when the investor's account holds a sufficient number of shares for
which funds already have been collected.
 
GT Global reserves the right to redeem the shares of any Advisory Account or
Wrap Fee Account if the amount invested in GT Global Mutual Funds through such
account is reduced to less than $500 through redemptions or other action by the
shareholder. Written notice will be given to the shareholder at least 60 days
prior to the date fixed for such redemption, during which time the shareholder
may increase the amount invested in GT Global Mutual Funds through such account
to an aggregate amount of $500 or more.
 
                               Prospectus Page 31
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                           SHAREHOLDER ACCOUNT MANUAL
 
- --------------------------------------------------------------------------------
 
Purchase, exchange and redemption orders should be placed in accordance with
this Manual. It is recommended that investors in Wrap Fee Accounts and Advisory
Accounts make such orders through their Financial Adviser. See "How to Invest,"
"How to Make Exchanges," "How to Redeem Shares" and "Dividends, Other
Distributions and Federal Income Taxation" for more information.
 
Each Fund's Transfer Agent is GT GLOBAL INVESTOR SERVICES, INC.
 
INVESTMENTS BY MAIL
Send the completed Account Application (if initial purchase) or letter stating
Fund name, class of shares, shareholder's registered name and account number (if
subsequent purchase) with a check to:
 
    GT Global Mutual Funds
    P.O. Box 7345
    San Francisco, CA 94120-7345
 
INVESTMENTS BY BANK WIRE
A new account may be opened by calling 1-800-223-2138 to obtain an account
number. WITHIN SEVEN DAYS OF PURCHASE A COMPLETED ACCOUNT APPLICATION CONTAINING
THE APPROPRIATE CERTIFIED TAXPAYER IDENTIFICATION NUMBER MUST BE SENT TO GT
GLOBAL AT THE ADDRESS PROVIDED ABOVE UNDER "INVESTMENTS BY MAIL." Wire
instructions must state Fund name, class of shares, shareholder's registered
name and account number. Bank wires should be sent through the Federal Reserve
Bank Wire System to:
 
    WELLS FARGO BANK N.A.
    ABA 121000248
    Attn:GT GLOBAL
         Account No. 4023-050701
 
EXCHANGES BY TELEPHONE
Call the Transfer Agent at 1-800-223-2138.
 
EXCHANGES BY MAIL
Send complete instructions, including name of Fund exchanging from, class of
shares, amount of exchange, name of the GT Global Mutual Fund exchanging into,
shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
REDEMPTIONS BY TELEPHONE
Call the Transfer Agent at 1-800-223-2138.
 
REDEMPTIONS BY MAIL
Send complete instructions, including name of Fund, class of shares, amount of
redemption, shareholder's registered name and account number, to:
 
    GT Global Mutual Funds
    P.O. Box 7893
    San Francisco, CA 94120-7893
 
OVERNIGHT MAIL
Overnight mail services do not deliver to post office boxes. To send purchase,
exchange or redemption orders by overnight mail, follow the above instructions
but send to the following address:
 
    GT Global Investor Services, Inc.
    California Plaza
    2121 N. California Boulevard
    Suite 450
    Walnut Creek, CA 94596
 
ADDITIONAL QUESTIONS
Shareholders with additional questions regarding purchase, exchange and
redemption procedures should call the Transfer Agent at 1-800-223-2138.
 
                               Prospectus Page 32
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                         CALCULATION OF NET ASSET VALUE
 
- --------------------------------------------------------------------------------
 
Each Fund calculates its net asset value as of the close of normal trading on
the NYSE (currently 4:00 p.m., Eastern Time, unless weather, equipment failure
or other factors contribute to an earlier closing time) each Business Day. Each
Fund's net asset value per share is computed by determining the value of its
total assets (which, in the case of the High Income Fund, is the value of its
proportionate share of the total assets of the Portfolio) subtracting all of its
liabilities, and dividing the result by the total number of shares outstanding
at such time. Net asset value is determined separately for each class of shares
of each Fund.
 
Long-term debt obligations held by a Fund or the Portfolio are valued at the
mean of representative quoted bid and asked prices for such securities or, if
such prices are not available, at prices for securities of comparable maturity,
quality and type; however, when the Manager deems it appropriate, prices
obtained from a bond pricing service will be used. Short-term debt investments
are amortized to maturity based on their cost, adjusted for foreign exchange
translation and market fluctuations, provided such valuations represent fair
value. Equity securities are valued at the last sale price on the exchange or in
the OTC market in which such securities are primarily traded, as of the close of
business on the day the securities are being valued, or, lacking any sales, at
the last available bid price. When market quotations for futures and options
positions held by a Fund or the Portfolio are readily available, those positions
are valued based upon such quotations.
 
Securities and other assets for which market quotations are not readily
available are valued at fair value determined in good faith by or under the
direction of the Company's Board of Directors or the Portfolio's Board of
Trustees. Securities and other assets quoted in foreign currencies are valued in
U.S. dollars based on the prevailing exchange rates on that day.
 
Each Fund's or the Portfolio's portfolio securities, from time to time, may be
listed primarily on foreign exchanges or OTC dealer markets that may trade on
days when the NYSE is closed (such as Saturday). As a result, the net asset
value of a Fund may be significantly affected by such trading on days when
shareholders cannot purchase or redeem shares of that Fund.
 
                               Prospectus Page 33
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                         DIVIDENDS, OTHER DISTRIBUTIONS
                          AND FEDERAL INCOME TAXATION
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS. Each Fund declares and pays monthly dividends
from its net investment income, if any, which includes accrued interest, earned
discount (including both original issue and market discounts) and dividends less
applicable expenses. Each Fund also annually distributes substantially all of
its realized net capital gains and net gains from foreign currency transactions,
if any. Each Fund may make an additional dividend or other distribution each
year if necessary to avoid a 4% excise tax on certain undistributed income and
gain.
 
Dividends and other distributions paid by each Fund with respect to all classes
of its shares are calculated in the same manner and at the same time. The per
share income dividends on Advisor Class shares of a Fund will be higher than the
per share income dividends on shares of other classes of that Fund as a result
of the service and distribution fees applicable to those other shares.
SHAREHOLDERS MAY ELECT:
 
/ / to have all dividends and other distributions automatically reinvested in
    additional Advisor Class shares of the distributing Fund (or other GT Global
    Mutual Funds); or
 
/ / to receive dividends in cash and have other distributions automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
/ / to receive other distributions in cash and have dividends automatically
    reinvested in additional Advisor Class shares of the distributing Fund (or
    other GT Global Mutual Funds); or
 
/ / to receive dividends and other distributions in cash.
 
Automatic reinvestments in additional Advisor Class shares are made at net asset
value without imposition of a sales charge. IF NO ELECTION IS MADE BY A
SHAREHOLDER, ALL DIVIDENDS AND OTHER DISTRIBUTIONS WILL BE AUTOMATICALLY
REINVESTED IN ADDITIONAL ADVISOR CLASS SHARES OF THE DISTRIBUTING FUND.
Reinvestments in another GT Global Mutual Fund may only be directed to an
account with the identical shareholder registration and account number. These
elections may be changed by a shareholder at any time; to be effective with
respect to a distribution, the shareholder or the shareholder's broker must
contact the Transfer Agent by mail or telephone at least 15 Business Days prior
to the payment date. THE FEDERAL INCOME TAX CONSEQUENCES OF DIVIDENDS AND OTHER
DISTRIBUTIONS ARE THE SAME WHETHER THEY ARE RECEIVED IN CASH OR REINVESTED IN
ADDITIONAL SHARES.
 
Any dividend or other distribution paid by a Fund has the effect of reducing the
net asset value per share on the ex-distribution date by the amount thereof.
Therefore, a dividend or other distribution paid shortly after a purchase of
shares would represent, in substance, a return of capital to the shareholder (to
the extent the distribution is paid on the shares so purchased), even though
subject to income tax, as discussed below.
 
TAXES. Each Fund intends to continue to qualify for treatment as a regulated
investment company under the Code. In each taxable year that a Fund so
qualifies, the Fund (but not its shareholders) will be relieved of federal
income tax on that part of its investment company taxable income (consisting
generally of net investment income, net gains from certain foreign currency
transactions and net short-term capital gain) and net capital gain (i.e., the
excess of net long-term capital gain over net short-term capital loss) that it
distributes to its shareholders. In the case of the High Income Fund, its
investment company taxable income and net capital gain consists of its
proportionate share of the Portfolio's net investment income, net gains from
certain foreign currency transactions and net short-term capital gain and net
capital gain. The Portfolio expects that it also will not be liable for any
federal income tax.
 
Dividends from a Fund's investment company taxable income (whether paid in cash
or reinvested in additional shares) are taxable to its shareholders as ordinary
income to the extent of the Fund's earnings and profits. Distributions of a
Fund's net capital gain, when designated as such, are taxable to its
shareholders as long-term capital gains, regardless of how long they have held
their Fund shares and whether paid in cash or reinvested in additional shares.
 
Under the Taxpayer Relief Act of 1997, different maximum tax rates apply to a
noncorporate
 
                               Prospectus Page 34
<PAGE>
                             GT GLOBAL INCOME FUNDS
taxpayer's net capital gain depending on the taxpayer's holding period and
marginal rate of federal income tax -- generally, 28% for gain recognized on
securities held for more than one year but not more than 18 months and 20% (10%
for taxpayers in the 15% marginal tax bracket) for gain recognized on securities
held for more than 18 months. Pursuant to an Internal Revenue Service notice,
each Fund may divide each net capital gain distribution into a 28% rate gain
distribution and a 20% rate gain distribution (in accordance with the Fund's
holding periods for the securities it sold that generated the distributed gain)
and its shareholders must treat those portions accordingly.
 
Each Fund provides federal tax information to its shareholders annually,
including information about dividends and capital gain distributions paid during
the preceding year and, under certain circumstances, the shareholders'
respective shares of any foreign taxes paid (directly or indirectly) by the
Fund, in which event each shareholder would be required to include in his or her
gross income his or her pro rata share of those taxes, but might be entitled to
claim a credit or deduction for them. The information regarding capital gain
distributions designates the portions thereof subject to the different maximum
rates of tax applicable to noncorporate taxpayers' net capital gain indicated
above.
 
Each Fund must withhold 31% from dividends, capital gain distributions and
redemption proceeds payable to any individuals and certain other noncorporate
shareholders who have not furnished to the Fund a correct taxpayer
identification number or a properly completed claim for exemption on Form W-8 or
W-9. Withholding at that rate also is required from dividends and capital gain
distributions payable to such shareholders who otherwise are subject to backup
withholding. Fund accounts opened via a bank wire purchase (see "How to Invest
- -- Purchases Through the Distributor") are considered to have uncertified
taxpayer identification numbers unless a completed Form W-8 or W-9 or Account
Application is received by the Transfer Agent within seven days after the
purchase. A shareholder should contact the Transfer Agent if the shareholder is
uncertain whether a proper taxpayer identification number is on file with a
Fund.
 
A redemption of Fund shares may result in taxable gain or loss to the redeeming
shareholder, depending upon whether the redemption proceeds are more or less
than the shareholder's adjusted basis for the redeemed shares. An exchange of
Fund shares for shares of another GT Global Mutual Fund (including another Fund)
generally will have similar tax consequences. In addition, if shares of a Fund
are purchased within 30 days before or after redeeming other shares of that Fund
(regardless of class) at a loss, all or a part of the loss will not be
deductible and instead will increase the basis of the newly purchased shares.
 
The foregoing is only a summary of some of the important federal tax
considerations generally affecting each Fund and its shareholders. See "Taxes"
in the Statement of Additional Information for a further discussion. There may
be other federal, state, local or foreign tax considerations applicable to a
particular investor. Prospective investors are therefore urged to consult their
tax advisers.
 
- --------------------------------------------------------------------------------
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
The Company's Board of Directors and the Portfolio's Board of Trustees have
overall responsibility for the operation of the Funds and the Portfolio,
respectively, and have approved contracts with various financial organizations
to provide, among other things, day to day management services required by the
Funds and the Portfolio. See "Directors, Trustees, and Executive Officers" in
the Statement of Additional Information for a complete description of the
Directors of each of the Funds and the Trustees of the Portfolio.
 
INVESTMENT MANAGEMENT AND ADMINISTRATION. Services provided by Chancellor LGT
Asset Management, Inc. (the "Manager") as the Government Income Fund's, the
Strategic Income Fund's and the Portfolio's investment manager and administrator
include, but are not limited to, determining the composition of the investment
portfolio of the
 
                               Prospectus Page 35
<PAGE>
                             GT GLOBAL INCOME FUNDS
Government Income Fund, the Strategic Income Fund and the Portfolio and placing
orders to buy, sell or hold particular securities. In addition, the Manager
provides the following administration services to the Funds and the Portfolio:
furnishing corporate officers and clerical staff; providing office space,
services and equipment; and supervising all matters relating to the Government
Income Fund's, the Strategic Income Fund's and the Portfolio's operation.
 
The Government Income Fund and the Strategic Income Fund each pays the Manager
administration fees computed daily and payable monthly, based on their
respective average daily net assets, for such services at the annualized rate of
 .725% on the first $500 million, .70% on the next $1 billion, .675% on the next
$1 billion, and .65% on amounts thereafter. The High Income Fund pays
administration fees, directly to the Manager at the annualized rate of 0.25% of
the Fund's average daily net assets. In addition, the Fund bears its pro rata
portion of the investment management and administration fees paid by the
Portfolio to the Manager. The Portfolio pays such fees, based on the average
daily net assets of the Portfolio, directly to the Manager at the annualized
rate of .475% on the first $500 million, .45% on the next $1 billion, .425% on
the next $1 billion and .40% on amounts thereafter, plus 2% of the Portfolio's
total investment income as stated in the Portfolio's Statement of Operations,
calculated in accordance with generally accepted accounting principles, adjusted
daily for currency revaluations, on a marked to market basis, of the Portfolio's
assets; provided, however, that during any fiscal year this amount shall not
exceed 2% of the Portfolio's total investment income calculated in accordance
with generally accepted accounting principles. These rates are higher than those
paid by most mutual funds. Each Fund pays all expenses not assumed by the
Manager, GT Global or any other agents. The Manager has undertaken to limit the
expenses of the Advisor Class shares of the Government Income Fund and the
Strategic Income Fund (exclusive of brokerage commissions, taxes, interest and
extraordinary expenses) to the maximum annual level of 1.50% of the average
daily net assets of each such Fund's Advisor Class shares. The Manager and GT
Global have undertaken to limit the expenses of the High Income Fund's Advisor
Class shares (and such Fund's pro-rata portion of the Portfolio's expenses) to
the maximum annual level of 1.85% of the average daily net assets of such Fund's
Advisor Class shares. This undertaking may be changed or eliminated in the
future.
 
The Manager also serves as each Fund's pricing and accounting agent. For these
services the Manager receives a fee at an annual rate derived by applying 0.03%
to the first $5 billion of assets of GT Global Funds and 0.02% to the assets in
excess of $5 billion and allocating the result according to each Fund's average
daily net assets.
 
The Manager provides investment management and/or administration services to the
GT Global Funds. The Manager and its worldwide asset management affiliates have
provided investment management and/or administration services to institutional,
corporate and individual clients around the world since 1969. The U.S. offices
of the Manager are located at 50 California Street, 27th Floor, San Francisco,
CA 94111 and 1166 Avenue of the Americas, New York, NY 10036.
 
The Manager and its worldwide affiliates, including LGT Bank in Liechtenstein,
compose Liechtenstein Global Trust ("LGT"). LGT is a provider of global asset
management and private banking products and services to individual and
institutional investors. LGT is controlled by the Prince of Liechtenstein
Foundation, which serves as a parent organization for the various business
enterprises of the Princely Family of Liechtenstein. The principal business
address of the Prince of Liechtenstein Foundation is Herrengasse 12, FL-9490,
Vaduz, Liechtenstein.
 
On January 30, 1998, LGT entered into an agreement with AMVESCAP PLC
("AMVESCAP") pursuant to which AMVESCAP will acquire LGT's Asset Management
Division, which includes the Manager. AMVESCAP is a holding company formed in
1997 by the merger of INVESCO PLC and A I M Management Group Inc. Consummation
of the transaction is subject to a number of contingencies, including regulatory
approvals. Because the transaction would constitute an assignment of the
investment management agreements under the Investment Company Act of 1940 (and,
therefore, a termination of such agreements), it is anticipated that the
approval of the Portfolio's Board of Trustees, the Company's Board of Directors
and the Company's shareholders of new investment management arrangements will be
sought. The Manager anticipates that the transaction will be presented for
shareholder approval and anticipates that the transaction will close on or about
May 31, 1998.
 
As of December 31, 1997, the Manager and its worldwide asset management
affiliates managed approximately $54 billion. In the United States, as
 
                               Prospectus Page 36
<PAGE>
                             GT GLOBAL INCOME FUNDS
of December 31, 1997, the Manager managed or administered approximately $8
billion of GT Global Funds. As of December 31, 1997, assets entrusted to LGT
totaled approximately $79 billion.
 
In addition to the investment resources of its San Francisco and New York
offices, the Manager draws upon the expertise, personnel, data and systems of
other offices of Liechtenstein Global Trust, including investment offices in
Frankfurt, Hong Kong, London, Singapore, Sydney, Tokyo and Toronto. In managing
the GT Global Funds, the Manager employs a team approach, taking advantage of
its investment resources around the world in seeking each Fund's investment
objective.
 
The investment professionals primarily responsible for the portfolio management
of the Government Income Fund, the Strategic Income Fund and the Portfolio are
as follows:
 
<TABLE>
<CAPTION>
                             RESPONSIBILITIES FOR                             BUSINESS EXPERIENCE
NAME/OFFICE                        THE FUND                                     PAST FIVE YEARS
- -------------------------  -------------------------  -------------------------------------------------------------------
<S>                        <C>                        <C>
Michael Mabbutt            Portfolio Manager          Mr. Mabbutt joined Chancellor LGT Asset Management, Inc. (the
 London                     Since 1997                 "Manager") and LGT Asset Management PLC (London), an affiliate of
                                                       the Manager, in December 1996. He was appointed Head of Global
                                                       Emerging Market Debt for the Manager in April 1997. Prior to
                                                       joining the Manager, he was a Senior Portfolio Manager for global
                                                       fixed income at Baring Asset Management in London from 1992 to
                                                       1996. At Baring Asset Management, he was responsible for
                                                       developing the emerging market debt process as head of the five
                                                       member Emerging Market Fixed Income Strategy Group.
 
Cheng-Hock Lau*            Portfolio Manager since    Mr. Lau has been Chief Investment Officer for Global Fixed Income
 New York                   1996 (Government Income    for the Manager since November 1996, and was a Senior Portfolio
                            Fund and Strategic         Manager for global/ international fixed income for the Manager
                            Income Fund); since 1997   from July 1995 to November 1996. Prior thereto, Mr. Lau was a
                            (High Income Portfolio)    Senior Vice President and Senior Portfolio Manager for Fiduciary
                                                       Trust Company International from 1993 to 1995, and Vice President
                                                       at Bankers Trust Company from 1991 to 1993.
</TABLE>
 
- ------------------------------
* On October 31, 1996, Chancellor Capital Management, Inc. ("Chancellor
  Capital") and LGT Asset Management, Inc. merged, and the resulting entity was
  renamed Chancellor LGT Asset Management, Inc. Mr. Lau was an employee only of
  Chancellor Capital prior to October 31, 1996.
 
                            ------------------------
 
In placing orders for the Government Income Fund's, Strategic Income Fund's and
the Portfolio's securities transactions, the Manager seeks to obtain the best
net results. Consistent with its obligation to obtain the best net results, the
Manager may consider a broker/dealer's sale of shares of the GT Global Mutual
Funds as a factor in considering through whom portfolio transactions will be
effected. Brokerage transactions for the Fund may be executed through affiliates
of Liechtenstein Global Trust. High portfolio turnover (over 100%) involves
correspondingly greater brokerage commissions and other transaction costs that
the Funds or the Portfolio will bear directly and could result in the
realization of net capital gains which would be taxable when distributed to
shareholders.
 
DISTRIBUTION OF FUND SHARES. GT Global is the distributor of each Fund's Advisor
Class shares. Like the Manager, GT Global is a subsidiary of Liechtenstein
Global Trust with offices at 50 California Street, 27th Floor, San Francisco, CA
94111.
 
The Manager or an affiliate thereof may make ongoing payments to Financial
Advisors and others that facilitate the administration and servicing of Advisor
Class shareholder accounts.
 
GT Global, at its own expense, may provide promotional incentives to brokers
that sell shares of the Funds and/or shares of the other GT Global Mutual Funds.
In some instances additional compensation or promotional incentives may be
offered to brokers that have sold or may sell significant amounts of shares
during specified periods of time. Such compensation and incentives may
 
                               Prospectus Page 37
<PAGE>
                             GT GLOBAL INCOME FUNDS
include, but are not limited to, cash, merchandise, trips and financial
assistance to brokers in connection with preapproved conferences or seminars,
sales or training programs for invited sales personnel, payment for travel
expenses (including meals and lodging) incurred by sales personnel and members
of their families or other invited guests to various locations for such seminars
or training programs, seminars for the public, advertising and sales campaigns
regarding one or more of the GT Global Mutual Funds, and/or other events
sponsored by the broker.
 
The Glass-Steagall Act and other applicable laws, among other things, generally
prohibit federally chartered or supervised banks from engaging in the business
of underwriting or distributing securities. Accordingly, GT Global intends to
engage banks (if at all) only to perform administrative and shareholder
servicing functions. Banks and broker/ dealer affiliates of banks also may
execute dealer agreements with GT Global for the purpose of selling shares of
the Fund. If a bank were prohibited from so acting, its shareholder clients
would be permitted to remain shareholders, and alternative means for continuing
the servicing of such shareholders would be sought. It is not expected that
shareholders would suffer any adverse financial consequences as a result of any
of these occurrences.
 
- --------------------------------------------------------------------------------
 
                               OTHER INFORMATION
 
- --------------------------------------------------------------------------------
 
CONFIRMATIONS AND REPORTS TO SHAREHOLDERS. Each time a transaction is made that
affects a shareholder's account in a Fund, the shareholder will receive from the
Transfer Agent a confirmation statement reflecting the transaction.
Confirmations for transactions effected pursuant to a Fund's automatic dividend
reinvestment program may be provided quarterly. Shortly after the end of each
Fund's fiscal year on October 31 and fiscal half-year on April 30 of each year,
shareholders receive an annual and a semiannual report, respectively. In
addition, the federal income status of distributions made by a Fund to
shareholders are reported after the end of the calendar year on Form 1099-DIV.
Under certain circumstances, duplicate mailings of the foregoing reports to the
same household may be consolidated.
 
ORGANIZATION OF THE COMPANY. The Company was organized as a Maryland corporation
on October 29, 1987. From time to time, the Company has established and may
continue to establish other funds, each corresponding to a distinct investment
portfolio and a distinct series of the Company's common stock. Shares of each
Fund are entitled to one vote per share (with proportional voting for fractional
shares) and are freely transferable. Shareholders have no preemptive or
conversion rights.
 
On any matter submitted to a vote of shareholders, shares of a Fund will be
voted by a Fund's shareholders individually when the matter affects the specific
interest of that Fund only, such as approval of its investment management
arrangements. In addition, each class of shares of a Fund has exclusive voting
rights with respect to its distribution plan. The shares of each fund and of the
Company's other funds will be voted in the aggregate on other matters, such as
the election of Directors and ratification of the Board of Directors' selection
of the Company's independent accountants.
 
Normally there will be no annual meeting of shareholders in any year, except as
required under the 1940 Act. The Company would be required to hold a
shareholders' meeting in the event that at any time less than a majority of the
Directors holding office had been elected by shareholders. Directors shall
continue to hold office until their successors are elected and have qualified.
Shares of the Company's funds do not have cumulative voting rights, which means
that the holders of a majority of the shares voting for the election of
Directors can elect all the Directors. A Director may be removed upon a majority
vote of the shareholders qualified to vote in the election. Shareholders holding
10% of the Company's outstanding voting shares may call a meeting of
shareholders for the purpose of voting upon the question of removal of any
Director or for any other purpose. The 1940 Act requires the Company to assist
shareholders in calling such a meeting.
 
Each Fund offers Advisor Class shares through this prospectus to certain
investors. Each Fund also
 
                               Prospectus Page 38
<PAGE>
                             GT GLOBAL INCOME FUNDS
offers Class A shares and Class B shares to investors through a separate
prospectus. Each class of shares will experience different net asset values and
dividends as a result of different expenses borne by each class of shares. The
per share net asset value and dividends of the Advisor Class shares of a Fund
generally will be higher than that of the Class A and B shares of that Fund
because of the higher expenses borne by the Class A and B shares. Consequently,
during comparable periods, the Funds expect that the total return on an
investment in shares of the Advisor Class will be higher than the total return
on Class A or B shares.
 
Pursuant to the Company's Articles of Incorporation, it may issue six billion
shares. Of this number, 300 million shares have been classified as shares of the
Strategic Income Fund and the High Income Fund; 100 million shares of each Fund
have been classified as Class A and Class B shares, respectively. In addition,
500 million shares have been classified as shares of Government Income Fund; 200
million shares have each been classified as Class A and Class B shares,
respectively. Moreover, 100 million shares have been classified as Advisor Class
shares for each Fund. This amount may be increased from time to time in the
discretion of the Board of Directors. Each share of a Fund represents an
interest in that Fund only, has a par value of $0.0001 per share, represents an
equal proportionate interest in that Fund with other shares of the Fund and is
entitled to such dividends and other distributions out of the income earned and
gain realized on the assets belonging to that Fund as may be declared at the
discretion of the Board of Directors. Each Class A, Class B and Advisor Class
share of a Fund is equal in earnings, assets and voting privileges, except as
noted above, and each class bears the expenses related to the distribution of
its shares. Shares of each Fund, when issued, are fully paid and nonassessable.
 
ORGANIZATION OF THE PORTFOLIO. The Portfolio is organized as a trust under the
laws of the state of New York. The Portfolio's Declaration of Trust provides
that the High Income Fund and other entities investing in the Portfolio (E.G.,
other investment companies, insurance company separate accounts and common and
commingled trust funds), if any, will each be liable for all obligations of the
Portfolio. However, the Directors of the Company believe that the risk of the
High Income Fund incurring financial loss on account of such liability is
limited to circumstances in which both inadequate insurance existed and the
Portfolio itself was unable to meet its obligations, and that neither the High
Income Fund nor its shareholders will be exposed to a material risk of liability
by reason of the High Income Fund's investing in the Portfolio. Any information
received from the Portfolio in the Portfolio shareholder report will be provided
to the High Income Fund's shareholders.
 
Whenever the High Income Fund is requested to vote on any proposal of the
Portfolio, the High Income Fund will hold a meeting of Fund shareholders and
will cast its vote as instructed by Fund shareholders. Shares for which no
voting instructions are received will be voted in the same proportion as the
shares for which voting instructions are received.
 
SHAREHOLDER INQUIRIES. Shareholder inquiries may be made by calling the Funds
toll free at (800) 223-2138 or by writing to the Funds at 50 California Street,
27th Floor, San Francisco, CA 94111.
 
PERFORMANCE INFORMATION. The Funds, from time to time, may include information
on their investment results and/or comparisons of their investment results to
various unmanaged indices or results of other mutual funds or groups of mutual
funds in advertisements, sales literature or reports furnished to present or
prospective shareholders. Investors should be aware that as of October 22, 1992,
the investment objectives of the Strategic Income Fund were changed from
long-term high capital appreciation, primarily and moderate income, secondarily,
to primarily high current income and secondarily capital appreciation. In
addition, the investment policies and limitations of the Strategic Income Fund
were modified.
 
In such materials, the Funds may quote their average annual total return
("Standardized Return"). Standardized Return is calculated separately for each
class of shares of each Fund. Standardized Return shows percentage rates
reflecting the average annual change in the value of an assumed investment in
the Fund at the end of one-, five- and ten-year periods, reduced by the maximum
applicable sales charge imposed on sales of Fund shares. If a one-, five- and/or
ten-year period has not yet elapsed, data will be provided as of the end of a
shorter period corresponding to the life of a Fund. Standardized Return assumes
reinvestment of all dividends and other distributions.
 
In addition, in order to more completely represent the Funds' performance or
more accurately compare such performance to other measures of investment return,
the Funds also may include in advertisements, sales literature and shareholder
 
                               Prospectus Page 39
<PAGE>
                             GT GLOBAL INCOME FUNDS
reports other total return performance data ("Non-Standardized Return").
Non-Standardized Return reflects percentage rates of return encompassing all
elements of return (i.e., income and capital appreciation or depreciation); it
assumes reinvestment of all dividends and other distributions. Non-Standardized
Return may be quoted for the same or different periods as those for which
Standardized Return is quoted; it may consist of an aggregate or average annual
percentage rate of return, actual year-by-year rates or any combination thereof.
Non-Standardized Return may or may not take sales charges into account;
performance data calculated without taking the effect of sales charges into
account will be higher than data including the effect of such charges.
 
The Funds also may refer in advertising and promotional materials to their
yield, which will fluctuate over time. A Fund's yield shows the rate of income
that it earns on its investments, expressed as a percentage of the public
offering price of its shares. A Fund calculates yield by determining the
interest income it earned from its portfolio investments for a specified
thirty-day period (net of expenses), dividing such income by the average number
of shares outstanding, and expressing the result as an annualized percentage
based on the public offering price at the end of that thirty-day period. Yield
accounting methods differ from the methods used for other accounting purposes.
Accordingly, a Fund's yield may not equal the dividend income actually paid to
investors or the income reported in its financial statements. Yield is
calculated separately for each class of shares of each Fund.
 
The Funds' performance data reflects past performance and will not necessarily
be indicative of future results. The Funds' investment results will vary from
time to time depending upon market conditions, the composition of their
portfolios and their operating expenses. These factors and possible differences
in calculation methods should be considered when comparing a Fund's investment
results with those published for other investment companies, other investment
vehicles and unmanaged indices. Each Fund's results also should be considered
relative to the risks associated with its investment objectives and policies.
See "Investment Results" in the Statement of Additional Information.
 
Each Fund's annual report contains additional information with respect to its
performance. The annual report is available to investors upon request and free
of charge.
 
TRANSFER AGENT. Shareholder servicing, reporting and general transfer agent
functions for the Funds are performed by GT Global Investor Services, Inc. The
Transfer Agent is an affiliate of the Manager and GT Global, a subsidiary of
Liechtenstein Global Trust, and maintains its offices at California Plaza, 2121
N. California Boulevard, Suite 450, Walnut Creek, CA 94596.
 
CUSTODIAN. State Street Bank and Trust Company, 225 Franklin Street, Boston, MA
02110, is custodian of each Fund's and the Portfolio's assets.
 
COUNSEL. The law firm of Kirkpatrick & Lockhart LLP, 1800 Massachusetts Avenue,
N.W., Washington, D.C. 20036-1800, acts as counsel to the Company, the Funds and
the Portfolio. Kirkpatrick & Lockhart LLP also acts as counsel to the Manager,
GT Global and the Transfer Agent in connection with other matters.
 
INDEPENDENT ACCOUNTANTS. The Company's and each Fund's and the Portfolio's
independent accountants are Coopers & Lybrand L.L.P., One Post Office Square,
Boston, MA 02109. Coopers & Lybrand L.L.P. conducts an annual audit of each Fund
and the Portfolio, assist in the preparation of each Fund's and the Portfolio's
federal and state income tax returns and consult with the Company, each Fund and
the Portfolio as to matters of accounting, regulatory filings, and federal and
state income taxation.
 
MULTIPLE TRANSLATIONS OF THE PROSPECTUS. This prospectus may be translated into
other languages. In the event of any inconsistency or ambiguity as to the
meaning of any word or phrase contained in a translation, the English text shall
prevail.
 
                               Prospectus Page 40
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   APPENDIX A
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by various entities from "Aaa" to "C." Investment grade ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa are judged to be of the best quality.
    They carry the smallest degree of investment risk and are generally referred
    to as "gilt edged." Interest payments are protected by a large or by an
    exceptionally stable margin and principal is secure. While the various
    protective elements are likely to change, such changes as can be visualized
    are most unlikely to impair the fundamentally strong position of such
    issues.
 
        Aa -- Bonds which are rated Aa are judged to be of high quality by all
    standards. Together with the Aaa group they comprise what are generally
    known as high grade bonds. They are rated lower than the best bonds because
    margins of protection may not be as large as in Aaa securities or
    fluctuation of protective elements may be of greater amplitude or there may
    be other elements present which make the long-term risk appear somewhat
    larger than the Aaa securities.
 
        A -- Bonds which are rated A possess many favorable investment
    attributes and are to be considered as upper-medium-grade obligations.
    Factors giving security to principal and interest are considered adequate,
    but elements may be present which suggest a susceptibility to impairment
    some time in the future.
 
        Baa -- Bonds which are rated Baa are considered as medium-grade
    obligations, (i.e., they are neither highly protected nor poorly secured).
    Interest payments and principal security appear adequate for the present but
    certain protective elements may be lacking or may be characteristically
    unreliable over any great length of time. Such bonds lack outstanding
    investment characteristics and in fact have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative elements;
    their future cannot be considered as well-assured. Often the protection of
    interest and principal payments may be very moderate, and thereby not well
    safeguarded during both good and bad times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B -- Bonds which are rated B generally lack characteristics of the
    desirable investment. Assurance of interest and principal payments or of
    maintenance of other terms of the contract over any long period of time may
    be small.
 
        Caa -- Bonds which are rated Caa are of poor standing. Such issues may
    be in default or there may be present elements of danger with respect to
    principal or interest.
 
        Ca -- Bonds which are rated Ca represent obligations which are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which are rated C are the lowest rated class of bonds, and
    issues so rated can be regarded as having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has been
suspended or withdrawn, it may be for reasons unrelated to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
    1.  An application for rating was not received or accepted.
 
    2.  The issue or issuer belongs to a group of securities or companies that
are not rated as a matter of policy.
 
    3.  There is a lack of essential data pertaining to the issue or issuer.
 
    4.  The issue was privately placed, in which case the rating is not
published in Moody's publications.
 
                               Prospectus Page 41
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Suspension or withdrawal may occur if new and material circumstances arise, the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable up-to-date data to permit a judgment to be formed; if a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies numerical modifiers, 1, 2 and 3 in each generic rating
classification from Aa to Caa. The modifier 1 indicates that the Company ranks
in the higher end of its generic rating category; the modifier 2 indicates a
mid-range ranking; and the modifier 3 indicates that the Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a division of The McGraw-Hill Companies, Inc. ("S&P"),
rates the securities debt of various entities in categories ranging from "AAA"
to "D" according to quality. Investment grade ratings are the first four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA -- An obligation rated "AA" differs from the highest rated
    obligations only in a small degree. The obligor's capacity to meet its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB -- An obligation rated "BBB" exhibits adequate protection
    parameters. However, adverse economic conditions or changing circumstances
    are more likely to lead to a weakened capacity of the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations rated "BB," "B," "CCC," "CC," and "C"
    are regarded as having significant speculative characteristics. "BB"
    indicates the least degree of speculation and "C" the highest. While such
    obligations will likely have some quality and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An obligation rated "BB" is less vulnerable to nonpayment than
    other speculative issues. However, it faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which could
    lead to the obligor's inadequate capacity to meet its financial commitment
    on the obligation.
 
        B -- An obligation rated "B" is more vulnerable to nonpayment than
    obligations rated "BB," but the obligor currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial, or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its financial commitment on the obligation. In the
    event of adverse business, financial, or economic conditions, the obligor is
    not likely to have the capacity to meet its financial commitment on the
    obligation.
 
        CC -- An obligation rated "CC" is currently highly vulnerable to
    nonpayment.
 
        C -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed or similar action has been taken, but payments on
    this obligation are being continued.
 
        D -- An obligation rated "D" is in payment default. The "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the applicable grace period has not expired, unless S&P believes
    that such payments will be made during such grace period. The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking of
    a similar action if payments on an obligation are jeopardized.
 
PLUS (+) OR MINUS (-): The ratings from "AA" to "CCC" may be modified by the
addition of a plus or minus sign to show relative standing within the major
rating categories.
 
NR: Indicates that no public rating has been requested, that there is
insufficient information on which to base a rating, or that S&P does not rate a
particular type of obligation as a matter of policy.
 
                               Prospectus Page 42
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
 
    MOODY'S employs the designation "Prime-1" to indicate commercial paper
having a superior ability for repayment of senior short-term debt obligations.
Prime-1 repayment ability will often be evidenced by many of the following
characteristics: leading market positions in well-established industries; high
rates of return on funds employed; conservative capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in earnings
coverage of fixed financial charges and high internal cash generation; and
well-established access to a range of financial markets and assured sources of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior short-term debt obligations. This normally will be evidenced by many of
the characteristics cited above but to a lesser degree. Earnings trends and
coverage ratios, while sound, may be more subject to variation. Capitalization
characteristics, while still appropriate, may be more affected by external
conditions. Ample alternate liquidity is maintained.
 
    S&P ratings of commercial paper are graded into several categories ranging
from "A1" for the highest quality obligations to "D" for the lowest. Issues in
the "A" category are delineated with numbers 1, 2, and 3 to indicate the
relative degree of safety. A-1 -- This highest category indicates that the
degree of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation. A-2 -- Capacity for timely payments on issues with this
designation is satisfactory; however, the relative degree of safety is not as
high as for issues designated "A-1."
 
                               Prospectus Page 43
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                GT GLOBAL FUNDS
 
  GT GLOBAL OFFERS A BROAD RANGE OF FUNDS TO COMPLEMENT MANY INVESTORS'
  PORTFOLIOS. FOR MORE INFORMATION AND A PROSPECTUS ON ANY GT GLOBAL FUND,
  INCLUDING FEES, EXPENSES AND THE RISKS OF GLOBAL AND EMERGING MARKET
  INVESTING AND THE RISKS OF INVESTING IN A CONCENTRATION OF INDUSTRIES,
  PLEASE CONTACT YOUR FINANCIAL ADVISER OR CALL GT GLOBAL DIRECTLY AT
  1-800-824-1580.
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity by investing outside
the U.S.
 
GT GLOBAL EMERGING MARKETS FUND
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of large cap U.S. companies believed to be
undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Earns monthly income from global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in debt securities in emerging markets
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
 
worldwide for stability and preservation of capital
 
                                     [LOGO]
 
  NO DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED IN THIS
  PROSPECTUS AND, IF GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST
  NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED BY CHANCELLOR LGT ASSET
  MANAGEMENT, INC., G.T. INVESTMENT FUNDS, INC., GT GLOBAL GOVERNMENT INCOME
  FUND, GT GLOBAL STRATEGIC INCOME FUND, GT GLOBAL HIGH INCOME FUND, GLOBAL
  HIGH INCOME PORTFOLIO, OR GT GLOBAL, INC. THIS PROSPECTUS DOES NOT
  CONSTITUTE AN OFFER TO SELL OR SOLICITATION OF ANY OFFER TO BUY ANY OF THE
  SECURITIES OFFERED HEREBY IN ANY JURISDICTION TO ANY PERSON TO WHOM IT IS
  UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
 
                                                                   INCPV803001MC
<PAGE>
                            GT GLOBAL INCOME FUNDS:
                                 ADVISOR CLASS
 
                        50 California Street, 27th Floor
                            San Francisco, CA 94111
                                 (415) 392-6181
                           Toll Free: (800) 824-1580
                      Statement of Additional Information
                                 March 1, 1998
 
- --------------------------------------------------------------------------------
 
This  Statement of Additional Information relates to the Advisor Class shares of
the GT  Global Government  Income  Fund ("Government  Income Fund"),  GT  Global
Strategic  Income Fund ("Strategic Income Fund")  and GT Global High Income Fund
("High Income Fund") (each, a "Fund," and, collectively, "Funds"). Each Fund  is
a  non-diversified  series of  G.T. Investment  Funds,  Inc. (the  "Company"), a
registered open-end management investment company. This Statement of  Additional
Information,  which  is not  a  Prospectus, supplements  and  should be  read in
conjunction with  the Funds'  current Advisor  Class Prospectus  dated March  1,
1998,  a  copy of  which is  available without  charge by  writing to  the above
address or by calling the Funds at the toll-free telephone number listed above.
 
Chancellor LGT Asset Management, Inc.  (the "Manager") serves as the  investment
manager  and administrator for the Government  Income Fund, the Strategic Income
Fund and the Global High Income  Portfolio (the "Portfolio") and also serves  as
the administrator of the High Income Fund. The distributor of the shares of each
Fund  is GT Global, Inc.  ("GT Global"). The Funds'  transfer agent is GT Global
Investor Services, Inc. ("GT Services" or the "Transfer Agent").
 
- --------------------------------------------------------------------------------
 
                               TABLE OF CONTENTS
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                                           Page No.
                                                                                                                           --------
<S>                                                                                                                        <C>
Investment Objectives and Policies.......................................................................................      2
Options, Futures and Currency Strategies.................................................................................      6
Risk Factors.............................................................................................................     15
Investment Limitations...................................................................................................     19
Execution of Portfolio Transactions......................................................................................     24
Directors, Trustees and Executive Officers...............................................................................     26
Management...............................................................................................................     28
Valuation of Fund Shares.................................................................................................     30
Information Relating to Sales and Redemptions............................................................................     31
Taxes....................................................................................................................     33
Additional Information...................................................................................................     36
Investment Results.......................................................................................................     37
Description of Debt Ratings..............................................................................................     43
Financial Statements.....................................................................................................     45
</TABLE>
 
                                     [LOGO]
 
                   Statement of Additional Information Page 1
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                       INVESTMENT OBJECTIVES AND POLICIES
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVES
The  Government Income Fund primarily seeks  high current income and secondarily
seeks capital appreciation and protection of principal through active management
of the maturity structure and currency exposure of its portfolio. The  Strategic
Income  Fund and  the High  Income Fund primarily  seek high  current income and
secondarily seek capital appreciation. The High Income Fund seeks to achieve its
investment  objectives  by  investing  all  of  its  investable  assets  in  the
Portfolio,  which is  a non-diversified  open-end management  investment company
with investment objectives identical to those  of the Fund. Whenever the  phrase
"all  of the Fund's investable assets" is  used herein and in the Prospectus, it
means that the only investment securities held  by the High Income Fund will  be
its  interest in the Portfolio. The High Income Fund may withdraw its investment
in the  Portfolio  at  any time,  if  the  Board of  Directors  of  the  Company
determines  that it is in the best interests of the Fund and its shareholders to
do so. Upon any such withdrawal, the High Income Fund's assets would be invested
in accordance with the investment policies of the Portfolio described below  and
in the Prospectus.
 
INVESTMENT IN EMERGING MARKETS
The  Portfolio seeks its objectives by investing, under normal circumstances, at
least 65% of its total assets in debt securities of issuers in emerging markets.
The Strategic Income Fund may invest up to 50% of its assets in debt  securities
of  issuers in emerging markets. The Strategic  Income Fund and the Portfolio do
not consider the following countries to be emerging markets: Australia, Austria,
Belgium,  Canada,  Denmark,   France,  Germany,  Ireland,   Italy,  Japan,   the
Netherlands,  New Zealand,  Norway, Spain, Sweden,  Switzerland, United Kingdom,
and United States.
 
In addition to the factors  set forth in the  Prospectus, the Manager will  also
consider,  when determining  what countries  constitute emerging  markets, data,
analysis, and  classification  of countries  published  or disseminated  by  the
International  Bank for  Reconstruction and  Development (commonly  known as the
World Bank) and the International Finance Corporation.
 
SELECTION OF DEBT INVESTMENTS
In  determining  the  appropriate  distribution  of  investments  among  various
countries  and geographic regions for the  Government Income Fund, the Strategic
Income Fund and the  Portfolio, the Manager  ordinarily considers the  following
factors: prospects for relative economic growth among the different countries in
which  the Government Income  Fund, the Strategic Income  Fund and the Portfolio
may invest;  expected  levels  of  inflation;  government  policies  influencing
business  conditions; the outlook  for currency relationships;  and the range of
the individual investment opportunities available to international investors.
 
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
invest   in  the  following  types  of  money  market  instruments  (i.e.,  debt
instruments with less than  12 months remaining  until maturity) denominated  in
U.S.  dollars or other  currencies: (a) obligations issued  or guaranteed by the
U.S.   or   foreign   governments,   their   agencies,   instrumentalities    or
municipalities;  (b)  obligations  of  international  organizations  designed or
supported  by  multiple  foreign  governmental  entities  to  promote   economic
reconstruction  or  development;  (c)  finance  company  obligations,  corporate
commercial  paper  and  other   short-term  commercial  obligations;  (d)   bank
obligations  (including certificates of deposit,  time deposits, demand deposits
and bankers' acceptances), subject to the restriction that the Government Income
Fund, the Strategic Income Fund and the  Portfolio may not invest more than  25%
of  their respective total assets in  bank securities; (e) repurchase agreements
with respect to the  foregoing; and (f)  other substantially similar  short-term
debt securities with comparable characteristics.
 
INVESTMENTS IN OTHER INVESTMENT COMPANIES
   
With  respect to certain  countries, investments by  the Government Income Fund,
the Strategic  Income Fund  and the  Portfolio  presently may  be made  only  by
acquiring shares of other investment companies (including investment vehicles or
companies  advised by the  Manager or its  affiliates ("Affiliated Funds")) with
local governmental approval to invest in those countries. At such time as direct
investment in  these  countries is  allowed,  the Government  Income  Fund,  the
Strategic  Income Fund and the Portfolio  anticipate investing directly in these
markets. The Government Income Fund, the Strategic
    
 
                   Statement of Additional Information Page 2
<PAGE>
                             GT GLOBAL INCOME FUNDS
   
Income Fund and the  Portfolio may also invest  in the securities of  closed-end
investment companies within the limits of the Investment Company Act of 1940, as
amended  ("1940 Act"). These limitations currently provide that, in part, a Fund
or the Portfolio may  purchase shares of another  investment company unless  (a)
such  a purchase  would cause the  Government Income Fund,  the Strategic Income
Fund or  the Portfolio  to  own in  the  aggregate more  than  3% of  the  total
outstanding  voting securities of the investment  company or (b) such a purchase
would cause  the  Government Income  Fund,  the  Strategic Income  Fund  or  the
Portfolio  to have more than  5% of its total  assets invested in the investment
company or more than 10% of its aggregate assets invested in an aggregate of all
such investment  companies.  The  foregoing  limitations do  not  apply  to  the
investment  by the High  Income Fund in the  Portfolio. Investment in investment
companies may involve  the payment of  substantial premiums above  the value  of
such  companies' portfolio securities. The Government Income Fund, the Strategic
Income Fund  and  the Portfolio  do  not intend  to  invest in  such  investment
companies unless, in the judgment of the Manager, the potential benefits of such
investments  justify the payment of any  applicable premiums. The return on such
securities will be  reduced by  operating expenses of  such companies  including
payments  to the investment managers of those investment companies. With respect
to investments in Affiliated Funds, the  Manager waives its advisory fee to  the
extent  that such  fees are  based on  assets of  a Fund  invested in Affiliated
Funds.
    
 
SAMURAI AND YANKEE BONDS
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
invest  in yen-denominated bonds sold in Japan by non-Japanese issuers ("Samurai
bonds"), and may invest in dollar-denominated bonds sold in the United States by
non-U.S. issuers ("Yankee  bonds"). It is  the policy of  the Government  Income
Fund, the Strategic Income Fund and the Portfolio to invest in Samurai or Yankee
bond  issues  only  after  taking into  account  considerations  of  quality and
liquidity, as well as yield.
 
WARRANTS OR RIGHTS
Warrants or rights may be acquired by the Government Income Fund, the  Strategic
Income  Fund or the Portfolio in  connection with other securities or separately
and provide a Fund or the Portfolio with  the right to purchase at a later  date
other securities of the issuer.
 
LENDING OF PORTFOLIO SECURITIES
For  the purpose of realizing additional income, the Government Income Fund, the
Strategic Income  Fund or  the Portfolio  may make  secured loans  of  portfolio
securities  amounting to not more than 30% of its total assets. Securities loans
are made to  broker/dealers or  institutional investors  pursuant to  agreements
requiring that the loans continuously be secured by collateral at least equal at
all times to the value of the securities lent plus any accrued interest, "marked
to  market" on  a daily basis.  The Funds  and the Portfolio  may pay reasonable
administrative and custodial fees  in connection with  loans of its  securities.
While  the  securities  loan is  outstanding,  the Government  Income  Fund, the
Strategic Income Fund and the Portfolio will continue to receive the  equivalent
of  the interest or dividends  paid by the issuer on  the securities, as well as
interest on the investment  of the collateral  or a fee  from the borrower.  The
Government  Income Fund, the  Strategic Income Fund and  the Portfolio each will
have a right  to call  each loan  and obtain  the securities  within the  stated
settlement period. The Government Income Fund, the Strategic Income Fund and the
Portfolio will not have the right to vote equity securities while they are lent,
but each may call in a loan in anticipation of any important vote. Loans will be
made  only to firms deemed by the Manager to be of good standing and will not be
made unless, in the judgment of the Manager, the consideration to be earned from
such loans would justify the risk.
 
COMMERCIAL BANK OBLIGATIONS
For the purposes of the Strategic  Income Fund's and the Portfolio's  investment
policies  with respect to  bank obligations, obligations  of foreign branches of
U.S. banks and of foreign banks are  obligations of the issuing bank and may  be
general  obligations  of  the parent  bank.  Such obligations,  however,  may be
limited by the terms of a  specific obligation and by government regulation.  As
with   investment  in  non-U.S.  securities   in  general,  investments  in  the
obligations of foreign branches of U.S.  banks and of foreign banks may  subject
the  the Strategic Income  Fund and the  Portfolio to investment  risks that are
different in some respects from those of investments in obligations of  domestic
issuers.  Although the  Strategic Income Fund  and the  Portfolio typically will
acquire obligations issued and supported by the credit of U.S. or foreign  banks
having  total assets at  the time of purchase  in excess of  $1 billion, this $1
billion figure is not an investment policy or restriction of either Fund or  the
Portfolio.  For  the purposes  of  calculation with  respect  to the  $1 billion
figure, the assets of a  bank will be deemed to  include the assets of its  U.S.
and non-U.S. branches.
 
REPURCHASE AGREEMENTS
A  repurchase agreement is a  transaction in which the  Fund or Portfolio buys a
security from a bank or recognized securities dealer and simultaneously  commits
to  resell that security to the bank or dealer at an agreed upon price, date and
market rate  of  interest  unrelated to  the  coupon  rate or  maturity  of  the
purchased security. Although repurchase agreements carry
 
                   Statement of Additional Information Page 3
<PAGE>
                             GT GLOBAL INCOME FUNDS
certain  risks not associated  with direct investments  in securities, including
possible decline in the market value of the underlying securities and delays and
costs to the Funds or Portfolio if  the other party to the repurchase  agreement
becomes  bankrupt, the Government Income Fund, the Strategic Income Fund and the
Portfolio intend  to  enter  into  repurchase agreements  only  with  banks  and
broker/dealers  believed  by  the Manager  to  present minimal  credit  risks in
accordance with guidelines  approved by  the Company's Board  of Directors.  The
Manager reviews and monitors the creditworthiness of such institutions under the
Board's general supervision.
 
The  Government Income  Fund, the Strategic  Income Fund and  the Portfolio will
invest only in repurchase agreements collateralized at all times in an amount at
least equal to the  repurchase price plus accrued  interest. To the extent  that
the  proceeds from any sale of such  collateral upon a default in the obligation
to repurchase were less than the  repurchase price, the Government Income  Fund,
the Strategic Income Fund or the Portfolio would suffer a loss. If the financial
institution  which is party to the repurchase agreement petitions for bankruptcy
or otherwise  becomes subject  to bankruptcy  or other  liquidation  proceedings
there  may be restrictions  on the Government Income  Fund, the Strategic Income
Fund's or the  Portfolio's ability  to sell  the collateral  and the  Government
Income  Fund, the Strategic  Income Fund or  the Portfolio could  suffer a loss.
However, with respect to financial institutions whose bankruptcy or  liquidation
proceedings are subject to the U.S. Bankruptcy Code, the Government Income Fund,
the  Strategic Income  Fund and the  Portfolio intend to  comply with provisions
under such Code that  would allow the immediate  resale of such collateral.  The
Government  Income  Fund  will not  enter  into  a repurchase  agreement  with a
maturity of more than seven days if, as a result, more than 10% of the value  of
its  total  assets would  be invested  in such  repurchase agreements  and other
illiquid investments  and  securities  for which  no  readily  available  market
exists.
 
BORROWING, REVERSE REPURCHASE AGREEMENTS AND "ROLL" TRANSACTIONS
The  Government Income Fund's borrowings will not exceed 30% of the Fund's total
assets, i.e., the Fund's total assets at  all times will equal at least 300%  of
the amount of outstanding borrowings. If market fluctuations in the value of the
Fund's  portfolio holdings or other factors cause  the ratio of the Fund's total
assets  to  outstanding  borrowings  to  fall  below  300%,  within  three  days
(excluding  Sundays and holidays) of such event the Fund may be required to sell
portfolio securities to  restore the 300%  asset coverage, even  though from  an
investment  standpoint such sales might be disadvantageous. The Strategic Income
Fund's and the Portfolio's borrowings will  not exceed 33 1/3% of the  Strategic
Income Fund's or the Portfolio's, respective total assets. The Government Income
Fund,  the Strategic Income Fund  and the Portfolio each may  borrow up to 5% of
its respective total assets  for temporary or emergency  purposes other than  to
meet  redemptions. Any borrowing  by a Fund  or the Portfolio  may cause greater
fluctuation in the value of its shares than would be the case if the Fund or the
Portfolio did not borrow.
 
The Government Income Fund's,  the Strategic Income  Fund's and the  Portfolio's
fundamental  investment  limitations permit  it to  borrow money  for leveraging
purposes. The Government Income Fund, however, currently is prohibited, pursuant
to a  non-fundamental  investment  policy,  from borrowing  money  in  order  to
purchase securities. Nevertheless, this policy may be changed in the future by a
vote  of a majority  of the Company's  Board of Directors.  The Strategic Income
Fund and Portfolio may borrow for  leveraging purposes. If the Strategic  Income
Fund  or  the  Portfolio  employs  leverage,  it  would  be  subject  to certain
additional risks. Use of leverage creates  an opportunity for greater growth  of
capital  but would exaggerate  any increases or  decreases in the  Fund's or the
Portfolio's net asset value. When the  income and gains on securities  purchased
with  the  proceeds  of borrowings  exceed  the  costs of  such  borrowings, the
Government Income  Fund's,  the  Strategic  Income  Fund's  or  the  Portfolio's
earnings  or net asset  value will increase  faster than otherwise  would be the
case; conversely, if such income and gains fail to exceed such costs, the Fund's
or the Portfolio's earnings or net  asset value would decline faster than  would
otherwise be the case.
 
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
enter into reverse repurchase  agreements. A reverse  repurchase agreement is  a
borrowing transaction in which a Fund or the Portfolio transfers possession of a
security  to another party, such as a bank or broker/dealer, in return for cash,
and agrees to repurchase  the security in  the future at  an agreed upon  price,
which  includes an interest component. The Government Income Fund, the Strategic
Income Fund and the Portfolio also  may engage in "roll" borrowing  transactions
which  involve a Fund's or the  Portfolio's sale of Government National Mortgage
Association certificates or  other securities  together with  a commitment  (for
which  a Fund or the  Portfolio may receive a fee)  to purchase similar, but not
identical, securities  at  a  future  date.  The  Government  Income  Fund,  the
Strategic  Income Fund and the Portfolio  will maintain, in a segregated account
with a custodian, cash or liquid securities in an amount sufficient to cover its
obligations under  "roll" transactions  and reverse  repurchase agreements  with
broker/dealers.  No segregation  is required  for reverse  repurchase agreements
with banks.
 
                   Statement of Additional Information Page 4
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
SHORT SALES
The Government Income Fund, the Strategic Income Fund and the Portfolio may make
short sales of securities, although they have no current intention of doing  so.
A  short sale is a transaction in which a Fund or the Portfolio sells a security
in anticipation  that  the market  price  of  that security  will  decline.  The
Government  Income Fund,  the Strategic Income  Fund and the  Portfolio may make
short sales as a form of hedging to offset potential declines in long  positions
in  securities  it owns,  or  anticipates acquiring,  and  in order  to maintain
portfolio flexibility. The Government Income Fund, the Strategic Income Fund and
the Portfolio only may make short sales "against the box." In this type of short
sale, at the time of  the sale, the Fund or  the Portfolio owns the security  it
has  sold short  or has  the immediate  and unconditional  right to  acquire the
identical security at no additional cost.
 
In a short sale, the seller does not immediately deliver the securities sold and
does not receive the proceeds from the sale. To make delivery to the  purchaser,
the  executing broker borrows the  securities being sold short  on behalf of the
seller. The seller is said to have a short position in the securities sold until
it delivers the securities sold, at which  time it receives the proceeds of  the
sale.  To secure its obligation to deliver securities sold short, the Government
Income Fund,  the Strategic  Income Fund  or  the Portfolio  will deposit  in  a
separate account with its custodian an equal amount of the securities sold short
or  securities convertible into or exchangeable  for such securities at no cost.
The Government Income  Fund, the Strategic  Income Fund or  the Portfolio  could
close  out a short position by purchasing  and delivering an equal amount of the
securities sold short, rather than by delivering securities already held by  the
Fund  or the Portfolio, because the Fund or the Portfolio might want to continue
to receive interest and  dividend payments on securities  in its portfolio  that
are convertible into the securities sold short.
 
   
The  Government Income Fund,  the Strategic Income Fund  and the Portfolio might
make a short sale "against the box" in order to hedge against market risks  when
the Manager believes that the price of a security may decline, causing a decline
in  the value of a  security owned by the  Government Income Fund, the Strategic
Income Fund or the Portfolio or a security convertible into or exchangeable  for
such  security. In such case, any future losses in the Government Income Fund's,
the Strategic Income  Fund's Fund  or the  Portfolio's long  position should  be
reduced  by  a gain  in the  short position.  Conversely, any  gain in  the long
position should be reduced by a loss in the short position. The extent to  which
such  gains or  losses in  the long  position are  reduced will  depend upon the
amount of the securities sold short relative to the amount of the securities the
Fund or the  Portfolio owns,  either directly or  indirectly, and,  in the  case
where  a  Fund or  the  Portfolio owns  convertible  securities, changes  in the
investment values  or conversion  premiums  of such  securities. There  will  be
certain  additional transaction costs  associated with short  sales "against the
box," but a  Fund or  the Portfolio  will endeavor  to offset  these costs  with
income from the investment of the cash proceeds of short sales.
    
 
                   Statement of Additional Information Page 5
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                             GT GLOBAL INCOME FUNDS
 
                    OPTIONS, FUTURES AND CURRENCY STRATEGIES
 
- --------------------------------------------------------------------------------
 
SPECIAL RISKS OF OPTIONS, FUTURES AND CURRENCY STRATEGIES
The  use of options, futures contracts  and forward currency contracts ("Forward
Contracts") involves special considerations and risks, as described below. Risks
pertaining to particular instruments are described in the sections that follow.
 
        (1) Successful  use  of  most  of these  instruments  depends  upon  the
    Manager's  ability  to  predict  movements  of  the  overall  securities and
    currency markets, which requires different skills than predicting changes in
    the prices of individual securities. While the Manager is experienced in the
    use of these  instruments, there  can be  no assurance  that any  particular
    strategy adopted will succeed.
 
        (2)  There  might  be  imperfect correlation,  or  even  no correlation,
    between price  movements  of  an  instrument  and  price  movements  of  the
    investments being hedged. For example, if the value of an instrument used in
    a  short hedge  increased by less  than the  decline in value  of the hedged
    investment, the  hedge  would  not  be fully  successful.  Such  a  lack  of
    correlation  might  occur  due to  factors  unrelated  to the  value  of the
    investments being  hedged, such  as speculative  or other  pressures on  the
    markets  in which  the hedging  instrument is  traded. The  effectiveness of
    hedges using hedging  instruments on indices  will depend on  the degree  of
    correlation  between price movements in the index and price movements in the
    investments being hedged.
 
        (3) Hedging strategies, if successful, can reduce risk of loss by wholly
    or partially offsetting the negative  effect of unfavorable price  movements
    in the investments being hedged. However, hedging strategies can also reduce
    opportunity  for gain by  offsetting the positive  effect of favorable price
    movements in the hedged investments. For example, if a Fund or the Portfolio
    entered into a short  hedge because the Manager  projected a decline in  the
    price  of a  security in  the Fund's or  the Portfolio's  portfolio, and the
    price of that security increased instead, the gain from that increase  might
    be  wholly or  partially offset  by a  decline in  the price  of the hedging
    instrument. Moreover, if  the price  of the hedging  instrument declined  by
    more  than  the increase  in  the price  of the  security,  the Fund  or the
    Portfolio could  suffer  a  loss. In  either  such  case, the  Fund  or  the
    Portfolio would have been in a better position had it not hedged at all.
 
        (4)  As described below,  a Fund or  the Portfolio might  be required to
    maintain assets  as "cover,"  maintain segregated  accounts or  make  margin
    payments  when it  takes positions  in instruments  involving obligations to
    third parties (I.E., instruments other than purchased options). If a Fund or
    the Portfolio were unable to close out its positions in such instruments, it
    might be required to  continue to maintain such  assets or accounts or  make
    such  payments until the position expired or matured. The requirements might
    impair the Fund's  ability or the  Portfolio's ability to  sell a  portfolio
    security  or  make  an investment  at  a  time when  it  would  otherwise be
    favorable to  do so,  or  require that  the Fund  or  the Portfolio  sell  a
    portfolio  security at a disadvantageous time. The Fund's or the Portfolio's
    ability to close  out a  position in an  instrument prior  to expiration  or
    maturity  depends on the existence  of a liquid secondary  market or, in the
    absence of such a market, the ability and willingness of the other party  to
    the transaction ("contra party") to enter into a transaction closing out the
    position.  Therefore, there is no assurance  that any position can be closed
    out at a time and price that is favorable to the Fund or the Portfolio.
 
WRITING CALL OPTIONS
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
write  (sell) call options  on securities, indices  and currencies. Call options
generally will be written on securities  and currencies that, in the opinion  of
the  Manager are not expected  to make any major price  moves in the near future
but that, over the long  term, are deemed to  be attractive investments for  the
Government Income Fund, the Strategic Income Fund and the Portfolio.
 
A  call option  gives the  holder (buyer)  the right  to purchase  a security or
currency at a specified price (the  exercise price) at any time until  (American
style)  or on (European style) a certain  date (the expiration date). So long as
the obligation of the writer of a  call option continues, he may be assigned  an
exercise  notice, requiring him  to deliver the  underlying security or currency
against payment  of the  exercise  price. This  obligation terminates  upon  the
expiration of the call option, or such
 
                   Statement of Additional Information Page 6
<PAGE>
                             GT GLOBAL INCOME FUNDS
earlier  time  at which  the writer  effects a  closing purchase  transaction by
purchasing an option identical to that previously sold.
 
Portfolio securities or currencies on which call options may be written will  be
purchased  solely on  the basis of  investment considerations  consistent with a
Fund's or the Portfolio's investment objectives. When writing a call option, the
Government Income Fund, the  Strategic Income Fund or  the Portfolio, in  return
for  the premium, gives up  the opportunity for profit  from a price increase in
the underlying security or  currency above the exercise  price, and retains  the
risk  of loss should the  price of the security  or currency decline. Unlike one
who owns  securities or  currencies not  subject to  an option,  a Fund  or  the
Portfolio  has no control  over when it  may be required  to sell the underlying
securities or currencies, since most options may be exercised at any time  prior
to  the option's expiration. If  a call option that a  Fund or the Portfolio has
written expires, the Fund or the Portfolio will realize a gain in the amount  of
the  premium; however, such gain may be offset  by a decline in the market value
of the underlying  security or currency  during the option  period. If the  call
option  is exercised, the Fund or the Portfolio will realize a gain or loss from
the sale of  the underlying  security or currency,  which will  be increased  or
offset by the premium received. The Government Income Fund, the Strategic Income
Fund  and the Portfolio do not consider a security or currency covered by a call
option to be "pledged" as that term is used in the Government Income Fund's, the
Strategic Income Fund's and the  Portfolio's fundamental investment policy  that
limits the pledging or mortgaging of its assets.
 
Writing  call options can serve as a limited short hedge because declines in the
value of the  hedged investment would  be offset  to the extent  of the  premium
received   for  writing  the  option.  However,  if  the  security  or  currency
appreciates to a price higher than the exercise price of the call option, it can
be expected that the option will be  exercised and a Fund or the Portfolio  will
be obligated to sell the security or currency at less than its market value.
 
The  premium that the Government  Income Fund, the Strategic  Income Fund or the
Portfolio receives for writing a call option is deemed to constitute the  market
value  of  an option.  The premium  a Fund  or the  Portfolio will  receive from
writing a call option will reflect, among other things, the current market price
of the underlying  investment, the relationship  of the exercise  price to  such
market  price, the historical price volatility of the underlying investment, and
the length of the option period. In determining whether a particular call option
should  be  written,  the  Manager  will  consider  the  reasonableness  of  the
anticipated premium and the likelihood that a liquid secondary market will exist
for those options.
 
Closing  transactions  will be  effected  in order  to  realize a  profit  on an
outstanding call  option, to  prevent an  underlying security  or currency  from
being  called, or  to permit  the sale of  the underlying  security or currency.
Furthermore, effecting a closing transaction  will permit the Government  Income
Fund, the Strategic Income Fund or the Portfolio to write another call option on
the  underlying security  or currency  with either  a different  exercise price,
expiration date or both.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio will pay
transaction costs in connection with the writing of options and in entering into
closing purchase  contracts.  Transaction  costs relating  to  options  activity
normally  are higher than  those applicable to purchases  and sales of portfolio
securities.
 
The exercise price of the  options may be below, equal  to or above the  current
market values of the underlying securities or currencies at the time the options
are  written.  From  time to  time,  a Fund  or  the Portfolio  may  purchase an
underlying security or currency for delivery in accordance with the exercise  of
an  option, rather than delivering such security or currency from its portfolio.
In such cases, additional costs will be incurred.
 
A Fund or the Portfolio  will realize a profit or  loss from a closing  purchase
transaction  if the cost of the transaction  is less or more, respectively, than
the premium received from  writing the option. Because  increases in the  market
price  of a call option generally will  reflect increases in the market price of
the underlying security or currency, any loss resulting from the repurchase of a
call option is likely to  be offset in whole or  in part by appreciation of  the
underlying security or currency owned by a Fund or the Portfolio.
 
WRITING PUT OPTIONS
The  Government Income  Fund, the  Strategic Income  Fund and  the Portfolio may
write put options on securities, indices and currencies. A put option gives  the
purchaser  of  the  option  the  right to  sell,  and  the  writer  (seller) the
obligation to buy, the underlying security or currency at the exercise price  at
any  time until (American style) or on (European style) the expiration date. The
operation of put options  in other respects, including  their related risks  and
rewards, is substantially identical to that of call options.
 
A Fund or the Portfolio generally would write put options in circumstances where
the  Manager  wishes to  purchase the  underlying security  or currency  for the
Fund's or the  Portfolio's portfolio at  a price lower  than the current  market
price of
 
                   Statement of Additional Information Page 7
<PAGE>
                             GT GLOBAL INCOME FUNDS
the security or currency. In such event, the Fund or the Portfolio would write a
put  option at an  exercise price that,  reduced by the  premium received on the
option, reflects the lower  price it is  willing to pay. Since  the Fund or  the
Portfolio   also  would  receive  interest  on  debt  securities  or  currencies
maintained to cover the  exercise price of the  option, this technique could  be
used to enhance current return during periods of market uncertainty. The risk in
such  a transaction would be that the market price of the underlying security or
currency would decline below the exercise price less the premiums received.
 
Writing put options can serve as a  limited long hedge because increases in  the
value  of the  hedged investment would  be offset  to the extent  of the premium
received  for  writing  the  option.  However,  if  the  security  or   currency
depreciates  to a price lower than the exercise  price of the put option, it can
be expected that the put  option will be exercised and  a Fund or the  Portfolio
will  be obligated  to purchase  the security  or currency  at greater  than its
market value.
 
PURCHASING PUT OPTIONS
The Government Income  Fund, the  Strategic Income  Fund and  the Portfolio  may
purchase  put options on securities, indices and  currencies. As the holder of a
put option,  the  Government Income  Fund,  the  Strategic Income  Fund  or  the
Portfolio  would have the right  to sell the underlying  security or currency at
the exercise price at any time until (American style) or on (European style) the
expiration date. The Government  Income Fund, the Strategic  Income Fund or  the
Portfolio may enter into closing sale transactions with respect to such options,
exercise them or permit them to expire.
 
A  Fund or the Portfolio may purchase a  put option on an underlying security or
currency ("protective put")  owned by  the Fund or  the Portfolio  as a  hedging
technique in order to protect against an anticipated decline in the value of the
security  or currency. Such hedge protection is provided only during the life of
the put option when the Fund or the Portfolio, as the holder of the put  option,
is  able to sell the  underlying security or currency  at the put exercise price
regardless  of  any  decline  in  the  underlying  security's  market  price  or
currency's  exchange  value.  The  premium  paid  for  the  put  option  and any
transaction costs would reduce any  profit otherwise available for  distribution
when the security or currency eventually is sold.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio also may
purchase  put options at a time when that Fund or the Portfolio does not own the
underlying security or  currency. By  purchasing put  options on  a security  or
currency  it does  not own,  a Fund  or the  Portfolio seeks  to benefit  from a
decline in the market price of the  underlying security or currency. If the  put
option  is not sold when it has remaining  value, and if the market price of the
underlying security or currency  remains equal to or  greater than the  exercise
price during the life of the put option, the Fund or the Portfolio will lose its
entire  investment in the put option. In order  for the purchase of a put option
to be profitable, the market price  of the underlying security or currency  must
decline  sufficiently  below  the  exercise  price  to  cover  the  premium  and
transaction costs, unless the put option is sold in a closing sale transaction.
 
PURCHASING CALL OPTIONS
The Government  Income Fund,  the Strategic  Income Fund  or the  Portfolio  may
purchase  call options on securities, indices and currencies. As the holder of a
call option,  a Fund  or the  Portfolio would  have the  right to  purchase  the
underlying  security  or  currency  at  the exercise  price  at  any  time until
(American style)  or on  (European style)  the expiration  date. A  Fund or  the
Portfolio may enter into closing sale transactions with respect to such options,
exercise them or permit them to expire.
 
Call  options may  be purchased by  a Fund or  the Portfolio for  the purpose of
acquiring the underlying  security or  currency for its  portfolio. Utilized  in
this  fashion,  the  purchase of  call  options  would enable  the  Fund  or the
Portfolio to acquire the security or currency at the exercise price of the  call
option  plus the premium paid. At times,  the net cost of acquiring the security
or currency in this manner may be  less than the cost of acquiring the  security
or  currency  directly. This  technique  also may  be useful  to  a Fund  or the
Portfolio in purchasing a large block of securities that would be more difficult
to acquire by direct market purchases. So  long as it holds such a call  option,
rather  than the underlying security or currency itself, a Fund or the Portfolio
is partially protected from  any unexpected decline in  the market price of  the
underlying  security or currency and, in such event, could allow the call option
to expire, incurring  a loss  only to  the extent of  the premium  paid for  the
option.
 
The Government Income Fund, the Strategic Income Fund and the Portfolio also may
purchase  call options on  underlying securities or currencies  it owns to avoid
realizing losses that would result in a reduction of a Fund's or the Portfolio's
current return. For example, where  a Fund or the  Portfolio has written a  call
option on an underlying security or currency having a current market value below
the  price at which  it purchased the  security or currency,  an increase in the
market price could result in the exercise of the call option written by the Fund
or the Portfolio and  the realization of  a loss on  the underlying security  or
currency. Accordingly, the Fund or the Portfolio could purchase a call option on
the  same underlying security  or currency, which could  be exercised to fulfill
the Fund's or the Portfolio's delivery obligations under
 
                   Statement of Additional Information Page 8
<PAGE>
                             GT GLOBAL INCOME FUNDS
its written call (if it is exercised). This strategy could allow the Fund or the
Portfolio to avoid selling the portfolio security or currency at a time when  it
has  an unrealized loss; however, the Fund or  the Portfolio would have to pay a
premium to purchase the call option plus transaction costs.
 
Aggregate premiums paid for put and call options will not exceed 5% of a  Fund's
or the Portfolio's total assets at the time of purchase.
 
The  Government  Income Fund,  the Strategic  Income Fund  or the  Portfolio may
attempt to  accomplish objectives  similar to  those involved  in using  Forward
Contracts  by purchasing put or call options on currencies. A put option gives a
Fund or the Portfolio as purchaser the right (but not the obligation) to sell  a
specified  amount of currency at the exercise  price at any time until (American
style) or on (European style) the expiration of the option. A call option  gives
a  Fund or  the Portfolio  as purchaser  the right  (but not  the obligation) to
purchase a specified amount of currency at the exercise price at any time  until
(American  style) or on (European style) the expiration of the option. A Fund or
the Portfolio might  purchase a  currency put  option, for  example, to  protect
itself  against a decline in the dollar value of a currency in which it holds or
anticipates holding securities. If the  currency's value should decline  against
the dollar, the loss in currency value should be offset, in whole or in part, by
an increase in the value of the put. If the value of the currency instead should
rise  against the dollar, any gain to the Fund or the Portfolio would be reduced
by the premium it had paid for the  put option. A currency call option might  be
purchased, for example, in anticipation of, or to protect against, a rise in the
value  against  the dollar  of a  currency in  which the  Fund or  the Portfolio
anticipates purchasing securities.
 
Options may  be either  listed  on an  exchange  or traded  in  over-the-counter
("OTC")  markets. Listed options are third-party contracts (I.E., performance of
the obligations of  the purchaser and  seller is guaranteed  by the exchange  or
clearing corporation), and have standardized strike prices and expiration dates.
OTC options are two-party contracts with negotiated strike prices and expiration
dates.  The Funds and the  Portfolio will not purchase  an OTC option unless the
Fund or  the Portfolio  believes  that daily  valuations  for such  options  are
readily  obtainable. OTC options differ from exchange-traded options in that OTC
options are  transacted  with  dealers  directly  and  not  through  a  clearing
corporation  (which guarantees  performance). Consequently,  there is  a risk of
non-performance by the dealer.  Since no exchange is  involved, OTC options  are
valued  on the basis of an average of the last bid prices obtained from dealers,
unless a quotation from only  one dealer is available,  in which case only  that
dealer's  price  will be  used. In  the case  of  OTC options,  there can  be no
assurance that a liquid secondary market will exist for any particular option at
any specific time.
 
The staff of the Securities and Exchange Commission ("SEC") considers  purchased
OTC options to be illiquid securities. A Fund or the Portfolio may also sell OTC
options  and, in connection therewith, segregate assets or cover its obligations
with respect to OTC  options written by  the Fund or  the Portfolio. The  assets
used  as  cover for  OTC options  written by  a  Fund or  the Portfolio  will be
considered illiquid unless  the OTC options  are sold to  qualified dealers  who
agree  that the Fund or the Portfolio may repurchase any OTC option it writes at
a maximum price to be calculated by a formula set forth in the option agreement.
The cover  for  an  OTC  option  written subject  to  this  procedure  would  be
considered  illiquid only to the extent  that the maximum repurchase price under
the formula exceeds the intrinsic value of the option.
 
A Fund's or  the Portfolio's  ability to establish  and close  out positions  in
exchange-listed  options depends on the existence  of a liquid market. Each Fund
and the  Portfolio  intends to  purchase  or write  only  those  exchange-traded
options  for which there appears to be a liquid secondary market. However, there
can be  no assurance  that such  a market  will exist  at any  particular  time.
Closing  transactions can be  made for OTC options  only by negotiating directly
with the contra party or  by a transaction in the  secondary market if any  such
market  exists. Although each Fund and the Portfolio will enter into OTC options
only with  contra parties  that are  expected  to be  capable of  entering  into
closing  transactions with the Fund or the Portfolio, there is no assurance that
the Fund or  the Portfolio  will in  fact be  able to  close out  an OTC  option
position at a favorable price prior to expiration. In the event of insolvency of
the  contra party, the Fund or the Portfolio might be unable to close out an OTC
option position at any time prior to its expiration.
 
INDEX OPTIONS
Puts and calls on indices are similar to puts and calls on securities or futures
contracts except that all settlements  are in cash and  gain or loss depends  on
changes  in the index in question (and thus on price movements in the securities
market or a particular market sector  generally) rather than on price  movements
in  individual securities  or futures  contracts. When  a Fund  or the Portfolio
writes a call on an index, it receives  a premium and agrees that, prior to  the
expiration  date, the  purchaser of  the call, upon  exercise of  the call, will
receive from the Fund or the Portfolio an amount of cash if the closing level of
the index upon which the call is based is greater than the exercise price of the
call. The amount of cash is equal to the difference between the closing price of
the index and the  exercise price of  the call times  a specified multiple  (the
"multiplier"),  which determines the  total dollar value for  each point of such
difference. When a  Fund or the  Portfolio buys a  call on an  index, it pays  a
premium  and has the same rights as to such calls as are indicated above. When a
Fund or the
 
                   Statement of Additional Information Page 9
<PAGE>
                             GT GLOBAL INCOME FUNDS
Portfolio buys a put on an index, it pays a premium and has the right, prior  to
the  expiration date, to require  the seller of the put,  upon the Fund's or the
Portfolio's exercise of  the put, to  deliver to  the Fund or  the Portfolio  an
amount  of cash if the closing level of the index upon which the put is based is
less than the exercise price of the  put, which amount of cash is determined  by
the  multiplier, as  described above  for calls.  When a  Fund or  the Portfolio
writes a put on an index, it receives a premium and the purchaser has the right,
prior to the expiration date, to require the Fund or the Portfolio to deliver to
it an amount of cash  equal to the difference between  the closing level of  the
index  and the exercise price times the multiplier, if the closing level is less
than the exercise price.
 
The risks  of  investment  in index  options  may  be greater  than  options  on
securities.  Because  index options  are settled  in  cash, when  a Fund  or the
Portfolio writes  a call  on  an index  it cannot  provide  in advance  for  its
potential  settlement  obligations  by  acquiring  and  holding  the  underlying
securities. A Fund or  the Portfolio can  offset some of the  risk of writing  a
call  index option  position by  holding a  diversified portfolio  of securities
similar to those on which the underlying index is based. However, a Fund or  the
Portfolio cannot, as a practical matter, acquire and hold a portfolio containing
exactly the same securities as underlie the index and, as a result, bears a risk
that the value of the securities held will vary from the value of the index.
 
Even  if a  Fund or  the Portfolio  could assemble  a securities  portfolio that
exactly reproduced the composition of the  underlying index, it still would  not
be fully covered from a risk standpoint because of the "timing risk" inherent in
writing  index options. When  an index option  is exercised, the  amount of cash
that the holder is entitled to  receive is determined by the difference  between
the  exercise price and the  closing index level on the  date when the option is
exercised. As with other  kinds of options,  the Fund or  the Portfolio, as  the
call writer, will not know that it has been assigned until the next business day
at the earliest. The time lag between exercise and notice of assignment poses no
risk for the writer of a covered call on a specific underlying security, such as
common stock, because there the writer's obligation is to deliver the underlying
security,  not to pay its value  as of a fixed time in  the past. So long as the
writer already  owns the  underlying  security, it  can satisfy  its  settlement
obligations  by  simply delivering  it, and  the  risk that  its value  may have
declined since the exercise date is borne by the exercising holder. In contrast,
even if the  writer of an  index call  holds securities that  exactly match  the
composition  of  the  underlying index,  it  will  not be  able  to  satisfy its
assignment obligations by  delivering those  securities against  payment of  the
exercise  price. Instead, it will be required to  pay cash in an amount based on
the closing index value on the exercise date; and by the time it learns that  it
has  been assigned, the index may have declined, with a corresponding decline in
the value  of  its securities  portfolio.  This  "timing risk"  is  an  inherent
limitation  on the ability of index call writers to cover their risk exposure by
holding securities positions.
 
If a Fund or the Portfolio purchases an index option and exercises it before the
closing index value for that day is  available, it runs the risk that the  level
of  the underlying index  may subsequently change.  If such a  change causes the
exercised option to  fall out-of-the-money, the  Fund or the  Portfolio will  be
required  to pay the difference between the closing index value and the exercise
price of the option (times the applicable multiplier) to the assigned writer.
 
INTEREST RATE AND CURRENCY FUTURES CONTRACTS
The Government Income Fund, the Strategic Income Fund or the Portfolio may enter
into interest rate or currency futures contracts, including futures contracts on
indices of  debt securities,  ("Futures"  or "Futures  Contracts"), as  a  hedge
against  changes in  prevailing levels  of interest  rates or  currency exchange
rates in order to establish more  definitely the effective return on  securities
or  currencies held or intended to be acquired by the Fund or the Portfolio. The
Government Income Fund, the Strategic  Income Fund's or the Portfolio's  hedging
may  include  sales of  Futures  as an  offset  against the  effect  of expected
increases in  interest  rates  or  decreases in  currency  exchange  rates,  and
purchases  of Futures as  an offset against  the effect of  expected declines in
interest rates or increases in currency exchange rates.
 
The Government Income Fund's, the Strategic  Income Fund and the Portfolio  only
will  enter into Futures Contracts which are traded on futures exchanges and are
standardized as to  maturity date and  underlying financial instrument.  Futures
exchanges  and  trading thereon  in the  United States  are regulated  under the
Commodity Exchange Act  by the  Commodity Futures  Trading Commission  ("CFTC").
Futures  are exchanged in  London at the  London International Financial Futures
Exchange.
 
Although techniques other than sales and purchases of Futures Contracts could be
used to  reduce  a Fund's  or  the Portfolio's  exposure  to interest  rate  and
currency  exchange rate  fluctuations, a  Fund or the  Portfolio may  be able to
hedge exposure  more effectively  and  at a  lower  cost through  using  Futures
Contracts.
 
A  Futures Contract provides  for the future  sale by one  party and purchase by
another party of  a specified amount  of a specific  financial instrument  (debt
security  or currency)  for a  specified price  at a  designated date,  time and
place. An index  Futures Contract  provides for  the delivery,  at a  designated
date,   time  and   place,  of   an  amount  of   cash  equal   to  a  specified
 
                  Statement of Additional Information Page 10
<PAGE>
                             GT GLOBAL INCOME FUNDS
dollar amount  times the  difference between  the index  value at  the close  of
trading  on  the  contract  and  the price  at  which  the  Futures  Contract is
originally struck; no physical delivery  of the securities comprising the  index
is  made. Brokerage fees are incurred when a Futures Contract is bought or sold,
and margin deposits  must be  maintained at all  times the  Futures Contract  is
outstanding.
 
Although  Futures Contracts typically require future delivery of and payment for
financial instruments or  currencies, Futures Contracts  usually are closed  out
before  the delivery date. Closing out an open Futures Contract sale or purchase
is effected by entering  into an offsetting Futures  Contract purchase or  sale,
respectively,   for  the  same  aggregate  amount  of  the  identical  financial
instrument or currency and  the same delivery date.  If the offsetting  purchase
price  is less  than the  original sale price,  the Government  Income Fund, the
Strategic Income Fund  or the  Portfolio realizes  a gain;  if it  is more,  the
Government  Income Fund, the  Strategic Income Fund or  the Portfolio realizes a
loss. Conversely,  if  the offsetting  sale  price  is more  than  the  original
purchase  price, the  Government Income Fund,  the Strategic Income  Fund or the
Portfolio realizes  a gain;  if it  is  less, the  Government Income  Fund,  the
Strategic  Income Fund or  the Portfolio realizes a  loss. The transaction costs
also must be included in these calculations. There can be no assurance, however,
that a  Fund  or  the  Portfolio  will be  able  to  enter  into  an  offsetting
transaction  with respect to a particular Futures Contract at a particular time.
If a Fund or the Portfolio is not able to enter into an offsetting  transaction,
the  Fund or the Portfolio  will continue to be  required to maintain the margin
deposits on the Futures Contract.
 
As an example of an offsetting transaction, the contractual obligations  arising
from  the sale of one Futures Contract of September Deutschemarks on an exchange
may be  fulfilled at  any time  before delivery  under the  Futures Contract  is
required  (I.E., on a specified date in  September, the "delivery month") by the
purchase of  another Futures  Contract of  September Deutschemarks  on the  same
exchange.  In  such instance,  the  difference between  the  price at  which the
Futures Contract was sold and the price paid for the offsetting purchase,  after
allowance for transaction costs, represents the profit or loss to the Government
Income Fund, the Strategic Income Fund or the Portfolio.
 
The  Government Income  Fund, the  Strategic Income  Fund's and  the Portfolio's
Futures transactions will be  entered into for hedging  purposes only; that  is,
Futures  Contracts will  be sold to  protect against  a decline in  the price of
securities or  currencies  that the  Fund  or  the Portfolio  owns,  or  Futures
Contracts  will be  purchased to  protect the Fund  or the  Portfolio against an
increase in the price of securities  or currencies it has committed to  purchase
or expects to purchase.
 
"Margin"  with respect to Futures Contracts is  the amount of funds that must be
deposited by  the Government  Income  Fund, the  Strategic  Income Fund  or  the
Portfolio in order to initiate Futures trading and to maintain the Fund's or the
Portfolio's  open positions in Futures Contracts. A margin deposit made when the
Futures Contract is  entered into  ("initial margin")  is intended  to assure  a
Fund's  or the  Portfolio's performance under  the Futures  Contract. The margin
required for a particular Futures Contract is  set by the exchange on which  the
Futures  Contract is traded, and may be modified significantly from time to time
by the exchange during the term of the Futures Contract.
 
Subsequent  payments,  called  "variation  margin,"  to  and  from  the  futures
commission  merchant through  which the Fund  or the Portfolio  entered into the
Futures Contract will be made  on a daily basis as  the price of the  underlying
security,  currency or index fluctuates making the Futures Contract more or less
valuable, a process known as marking-to-market.
 
    RISKS OF  USING  FUTURES CONTRACTS.  The  prices of  Futures  Contracts  are
volatile  and  are influenced,  among other  things,  by actual  and anticipated
changes in interest and currency rates, which in turn are affected by fiscal and
monetary policies and national and international political and economic events.
 
There is a risk  of imperfect correlation between  changes in prices of  Futures
Contracts  and  prices  of the  securities  or  currencies in  a  Fund's  or the
Portfolio's portfolio being  hedged. The degree  of imperfection of  correlation
depends  upon circumstances such as: variations in speculative market demand for
Futures and  for securities  or currencies,  including technical  influences  in
Futures  trading; and differences between the financial instruments being hedged
and the  instruments underlying  the standard  Futures Contracts  available  for
trading.  A  decision of  whether, when,  and  how to  hedge involves  skill and
judgment, and even  a well-conceived hedge  may be unsuccessful  to some  degree
because of unexpected market behavior or interest or currency rate trends.
 
Because  of  the  low  margin deposits  required,  Futures  trading  involves an
extremely high  degree  of leverage.  As  a  result, a  relatively  small  price
movement  in a Futures Contract may result in immediate and substantial loss, as
well as gain, to the investor. For example,  if at the time of purchase, 10%  of
the  value of  the Futures  Contract is  deposited as  margin, a  subsequent 10%
decrease in the value of  the Futures Contract would result  in a total loss  of
the  margin  deposit, before  any deduction  for the  transaction costs,  if the
account were then closed  out. A 15%  decrease would result in  a loss equal  to
150%  of the original margin  deposit, if the Futures  Contract were closed out.
Thus, a purchase or sale of a Futures Contract may result in losses in excess of
the amount invested in the Futures Contract.
 
                  Statement of Additional Information Page 11
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Most U.S. Futures exchanges limit the amount of fluctuation permitted in Futures
Contract and options on Futures Contract prices during a single trading day. The
daily limit establishes the maximum amount that the price of a Futures  Contract
or option may vary either up or down from the previous day's settlement price at
the  end  of a  trading session.  Once the  daily  limit has  been reached  in a
particular type of Futures Contract or option, no trades may be made on that day
at a price beyond that limit. The daily limit governs only price movement during
a particular trading day and therefore does not limit potential losses,  because
the limit may prevent the liquidation of unfavorable positions. Futures Contract
and  option  prices  occasionally have  moved  to  the daily  limit  for several
consecutive trading days with  little or no  trading, thereby preventing  prompt
liquidation of positions and subjecting some traders to substantial losses.
 
If  a Fund  or the  Portfolio were unable  to liquidate  a Futures  or option on
Futures position  due  to  the absence  of  a  liquid secondary  market  or  the
imposition  of price limits, it could incur  substantial losses. The Fund or the
Portfolio would  continue to  be subject  to  market risk  with respect  to  the
position.  In addition, except in the case of purchased options, the Fund or the
Portfolio would continue to be required to make daily variation margin  payments
and  might be required  to maintain the  position being hedged  by the Future or
option or to maintain cash or securities in a segregated account.
 
Certain characteristics  of the  Futures  market might  increase the  risk  that
movements  in the prices  of Futures Contracts  or options on  Futures might not
correlate perfectly  with  movements in  the  prices of  the  investments  being
hedged.  For example,  all participants  in the  Futures and  options on Futures
markets are subject to  daily variation margin calls  and might be compelled  to
liquidate  Futures  or  options on  Futures  positions whose  prices  are moving
unfavorably to avoid being  subject to further  calls. These liquidations  could
increase  price  volatility  of the  instruments  and distort  the  normal price
relationship between the Futures  or options and  the investments being  hedged.
Also, because initial margin deposit requirements in the Futures market are less
onerous  than  margin requirements  in the  securities  markets, there  might be
increased  participation   by  speculators   in   the  Futures   markets.   This
participation  also  might  cause  temporary  price  distortions.  In  addition,
activities of large traders in both the Futures and securities markets involving
arbitrage, "program trading"  and other  investment strategies  might result  in
temporary price distortions.
 
OPTIONS ON FUTURES CONTRACTS
Options  on Futures Contracts are similar to options on securities or currencies
except that options on Futures Contracts give the purchaser the right, in return
for the  premium paid,  to  assume a  position in  a  Futures Contract  (a  long
position if the option is a call and a short position if the option is a put) at
a  specified exercise price  at any time  during the period  of the option. Upon
exercise of the option, the  delivery of the Futures  position by the writer  of
the  option to the holder  of the option will be  accompanied by delivery of the
accumulated balance in the writer's Futures margin account, which represents the
amount by which the market price  of the Futures Contract, at exercise,  exceeds
(in  the case of  a call) or  is less than (in  the case of  a put) the exercise
price of the option on  the Futures Contract. If an  option is exercised on  the
last trading day prior to the expiration date of the option, the settlement will
be  made entirely in cash equal to  the difference between the exercise price of
the option and  the closing level  of the securities,  currencies or index  upon
which  the  Futures Contract  is  based on  the  expiration date.  Purchasers of
options who fail to exercise their options  prior to the exercise date suffer  a
loss of the premium paid.
 
The  purchase of  call options  on Futures can  serve as  a long  hedge, and the
purchase of put  options on Futures  can serve  as a short  hedge. Writing  call
options  on Futures can serve as a  limited short hedge, and writing put options
on Futures can serve as a limited  long hedge, using a strategy similar to  that
used for writing options on securities, foreign currencies or indices.
 
If  a Fund or the Portfolio  writes an option on a  Futures Contract, it will be
required to  deposit  initial  and variation  margin  pursuant  to  requirements
similar  to those  applicable to Futures  Contracts. Premiums  received from the
writing of an option on  a Futures Contract are  included in the initial  margin
deposit.
 
A  Fund or the Portfolio may seek to  close out an option position by selling an
option covering the same Futures Contract and having the same exercise price and
expiration date.  The ability  to  establish and  close  out positions  on  such
options is subject to the maintenance of a liquid secondary market.
 
LIMITATIONS  ON  USE  OF FUTURES,  OPTIONS  ON  FUTURES AND  CERTAIN  OPTIONS ON
CURRENCIES
To the  extent that  a Fund  or  the Portfolio  enters into  Futures  Contracts,
options  on Futures  Contracts, and  options on  foreign currencies  traded on a
CFTC-regulated exchange, in each case other than for BONA FIDE hedging  purposes
(as  defined by the CFTC), the aggregate initial margin and premiums required to
establish  those  positions   (excluding  the  amount   by  which  options   are
"in-the-money") will not exceed 5% of the liquidation value of the Fund's or the
Portfolio's   portfolio,  after  taking  into  account  unrealized  profits  and
unrealized losses on any contracts the  Fund or the Portfolio has entered  into.
In  general, a call option on a  Futures Contract is "in-the-money" if the value
of the underlying Futures
 
                  Statement of Additional Information Page 12
<PAGE>
                             GT GLOBAL INCOME FUNDS
Contract exceeds the strike, I.E., exercise, price of the call; a put option  on
a  Futures Contract  is "in-the-money"  if the  value of  the underlying Futures
Contract is exceeded  by the  strike price  of the  put. This  guideline may  be
modified  by  the  Company's Board  of  Directors  or the  Portfolio's  Board of
Trustees, as applicable, without  a shareholder vote.  This limitation does  not
limit the percentage of the Fund's or the Portfolio's assets at risk to 5%.
 
FORWARD CONTRACTS
A  Forward Contract is an obligation,  generally arranged with a commercial bank
or other  currency  dealer, to  purchase  or  sell a  currency  against  another
currency  at  a  future  date and  price  as  agreed upon  by  the  parties. The
Government Income Fund, the Strategic Income  Fund and the Portfolio either  may
accept or make delivery of the currency at the maturity of the Forward Contract.
A Fund or the Portfolio may also, if its contra party agrees, prior to maturity,
enter into a closing transaction involving the purchase or sale of an offsetting
contract.
 
A Fund or the Portfolio engages in forward currency transactions in anticipation
of,  or to protect itself against, fluctuations in exchange rates. A Fund or the
Portfolio might sell a particular foreign currency forward, for example, when it
holds bonds denominated in a foreign  currency but anticipates, and seeks to  be
protected against, a decline in the currency against the U.S. dollar. Similarly,
a  Fund or the Portfolio might sell the  U.S. dollar forward when it holds bonds
denominated in U.S. dollars but anticipates, and seeks to be protected  against,
a decline in the U.S. dollar relative to other currencies. Further, the Funds or
the  Portfolio  might purchase  a currency  forward  to "lock  in" the  price of
securities denominated in that currency that it anticipates purchasing.
 
Forward Contracts are traded in the interbank market conducted directly  between
currency traders (usually large commercial banks) and their customers. A Forward
Contract generally has no deposit requirement, and no commissions are charged at
any  stage for trades. The Government Income  Fund, the Strategic Income Fund or
the Portfolio will enter into such Forward Contracts with major U.S. or  foreign
banks  and securities or currency dealers in accordance with guidelines approved
by the Company's  Board of Directors  or the Portfolio's  Board of Trustees,  as
applicable.
 
The Government Income Fund, the Strategic Income Fund or the Portfolio may enter
into  Forward Contracts  either with  respect to  specific transactions  or with
respect to the  overall investment  of the Fund  or the  Portfolio. The  precise
matching  of the Forward  Contract amounts and the  value of specific securities
generally will not be  possible because the future  value of such securities  in
foreign currencies will change as a consequence of market movements in the value
of  those securities between the  date the Forward Contract  is entered into and
the date  it matures.  Accordingly, it  may be  necessary for  the Fund  or  the
Portfolio  to  purchase additional  foreign currency  on  the spot  (I.E., cash)
market (and  bear the  expense of  such purchase)  if the  market value  of  the
security  is less than the amount of  foreign currency the Fund or the Portfolio
is obligated to deliver and if a decision is made to sell the security and  make
delivery of the foreign currency. Conversely, it may be necessary to sell on the
spot  market some of the foreign currency the Fund or the Portfolio is obligated
to deliver. The projection of short-term currency market movements is  extremely
difficult,  and the  successful execution  of a  short-term hedging  strategy is
highly uncertain. Forward Contracts involve  the risk that anticipated  currency
movements will not be predicted accurately, causing the Fund or the Portfolio to
sustain losses on these contracts and transaction costs.
 
At  or  before the  maturity of  a Forward  Contract requiring  the Fund  or the
Portfolio to  sell a  currency, the  Fund or  the Portfolio  either may  sell  a
portfolio security and use the sale proceeds to make delivery of the currency or
retain  the  security  and  offset its  contractual  obligation  to  deliver the
currency by  purchasing a  second contract  pursuant to  which the  Fund or  the
Portfolio  will  obtain, on  the  same maturity  date,  the same  amount  of the
currency that it is obligated to  deliver. Similarly, the Fund or the  Portfolio
may  close out a Forward Contract requiring  it to purchase a specified currency
by entering into a second contract, if its contra party agrees, entitling it  to
sell  the same  amount of the  same currency on  the maturity date  of the first
contract. The Fund or the Portfolio would realize a gain or loss as a result  of
entering  into such an offsetting Forward  Contract under either circumstance to
the extent the  exchange rate  or rates  between the  currencies involved  moved
between the execution dates of the first contract and the offsetting contract.
 
The cost to a Fund or the Portfolio of engaging in Forward Contracts varies with
factors  such as the currencies involved, the  length of the contract period and
the market conditions  then prevailing.  Because Forward  Contracts usually  are
entered  into on a principal basis, no fees or commissions are involved. The use
of Forward  Contracts does  not  eliminate fluctuations  in  the prices  of  the
underlying  securities the Fund or the Portfolio owns or intends to acquire, but
it does establish  a rate  of exchange in  advance. In  addition, while  Forward
Contracts  limit the risk  of loss due to  a decline in the  value of the hedged
currencies, they also  limit any  potential gain  that might  result should  the
value of the currencies increase.
 
                  Statement of Additional Information Page 13
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
FOREIGN CURRENCY STRATEGIES -- SPECIAL CONSIDERATIONS
A  Fund  or the  Portfolio may  use  options on  foreign currencies,  Futures on
foreign currencies,  options  on  Futures  on  foreign  currencies  and  Forward
Contracts  to hedge against movements in the values of the foreign currencies in
which the Fund's or  the Portfolio's securities  are denominated. Such  currency
hedges  can protect  against price movements  in a  security that a  Fund or the
Portfolio owns or  intends to acquire  that are attributable  to changes in  the
value  of the currency in which it  is denominated. Such hedges do not, however,
protect against price movements in the securities that are attributable to other
causes.
 
A Fund or the Portfolio  might seek to hedge against  changes in the value of  a
particular  currency  when  no  Futures  Contract,  Forward  Contract  or option
involving that currency is available or one of such contracts is more  expensive
than certain other contracts. In such cases, the Fund or the Portfolio may hedge
against  price movements in that currency by entering into a contract on another
currency or basket of currencies, the values of which the Manager believes  will
have  a positive correlation to the value of the currency being hedged. The risk
that movements in the  price of the contract  will not correlate perfectly  with
movements  in the  price of  the currency  being hedged  is magnified  when this
strategy is used.
 
The value of Futures Contracts, options on Futures Contracts, Forward  Contracts
and  options  on  foreign currencies  depends  on  the value  of  the underlying
currency relative  to the  U.S. dollar.  Because foreign  currency  transactions
occurring  in the  interbank market  might involve  substantially larger amounts
than those  involved in  the  use of  Futures  Contracts, Forward  Contracts  or
options,  a Fund or the  Portfolio could be disadvantaged  by dealing in the odd
lot market (generally consisting  of transactions of less  than $1 million)  for
the  underlying foreign  currencies at prices  that are less  favorable than for
round lots.
 
There is no systematic reporting of last sale information for foreign currencies
or any  regulatory requirements  that quotations  available through  dealers  or
other market sources be firm or revised on a timely basis. Quotation information
generally  is representative of very large  transactions in the interbank market
and thus  might not  reflect  odd-lot transactions  where  rates might  be  less
favorable.   The   interbank  market   in  foreign   currencies  is   a  global,
round-the-clock market. To the  extent the U.S. options  or Futures markets  are
closed  while the markets for the underlying currencies remain open, significant
price and rate movements might take place in the underlying markets that  cannot
be  reflected in  the markets  for the Futures  contracts or  options until they
reopen.
 
Settlement of Futures Contracts, Forward Contracts and options involving foreign
currencies might  be required  to  take place  within  the country  issuing  the
underlying  currency. Thus, a Fund or the  Portfolio might be required to accept
or make delivery of the underlying foreign currency in accordance with any  U.S.
or foreign regulations regarding the maintenance of foreign banking arrangements
by  U.S. residents  and might  be required  to pay  any fees,  taxes and charges
associated with such delivery assessed in the issuing country.
 
COVER
Transactions using Forward Contracts, Futures Contracts and options (other  than
options  purchased by a Fund or the  Portfolio) expose the Fund or the Portfolio
to an obligation to another party. A  Fund or the Portfolio will not enter  into
any  such  transactions unless  it owns  either (1)  an offsetting  ("covered ")
position in  securities,  currencies, or  other  options, Forward  Contracts  or
Futures  Contracts, or (2) cash, receivables and short-term debt securities with
a value sufficient at all times  to cover its potential obligations not  covered
as  provided in  (1) above.  Each Fund  and the  Portfolio will  comply with SEC
guidelines regarding  cover for  these  instruments and,  if the  guidelines  so
require, set aside cash or liquid securities.
 
Assets  used as cover or  held in a segregated account  cannot be sold while the
position in the corresponding  Forward Contract, Futures  Contract or option  is
open, unless they are replaced with other appropriate assets. If a large portion
of a Fund's or the Portfolio's assets are used for cover or segregated accounts,
it could affect portfolio management or the Fund's or the Portfolio's ability to
meet redemption requests or other current obligations.
 
INTEREST RATE AND CURRENCY SWAPS
The  Strategic Income  Fund and the  Portfolio usually will  enter into interest
rate swaps on a net basis, that is, the two payment streams are netted out in  a
cash  settlement on the payment date or  dates specified in the instrument, with
the Strategic Income Fund or the Portfolio receiving or paying, as the case  may
be,  only the net amount of  the two payments. The net  amount of the excess, if
any, of each of the Strategic Income Fund's and the Portfolio's obligations over
its entitlements with respect to each swap will be accrued on a daily basis  and
an  amount of cash or  liquid securities having an  aggregate net asset value at
least equal  to  the accrued  excess  will be  maintained  in an  account  by  a
custodian  that satisfies the requirements of the 1940 Act. The Strategic Income
Fund and the Portfolio will also establish and maintain such segregated accounts
with respect to its total obligations under any swaps that are not entered  into
on  a net basis and with respect to any  caps or floors that are written by that
Fund  or   the  Portfolio.   The  Manager,   the  Strategic   Income  Fund   and
 
                  Statement of Additional Information Page 14
<PAGE>
                             GT GLOBAL INCOME FUNDS
the  Portfolio  believe that  swaps, caps  and floors  do not  constitute senior
securities under the  1940 Act and,  accordingly, will not  treat them as  being
subject  to the Fund's and the Portfolio's borrowing restrictions. The Strategic
Income Fund and the Portfolio will not  enter into any swap, cap, floor,  collar
or  other  derivative  transaction unless,  at  the  time of  entering  into the
transaction, the unsecured  long-term debt rating  of the counterparty  combined
with  any credit enhancements is rated at  least A by Moody's Investors Service,
Inc. ("Moody's")  or  Standard  &  Poor's  Ratings  Group  ("S&P"),  or  has  an
equivalent  rating from a nationally  recognized statistical rating organization
or is  determined to  be  of equivalent  credit quality  by  the Manager.  If  a
counterparty  defaults,  the Strategic  Income Fund  or  the Portfolio  may have
contractual remedies pursuant to the agreements related to the transactions. The
swap market has  grown substantially  in recent years,  with a  large number  of
banks  and  investment banking  firms acting  both as  principals and  as agents
utilizing standardized  swap documentation.  As a  result, the  swap market  has
become  relatively liquid. Caps, floors and  collars are more recent innovations
for which standardized documentation has not  yet been fully developed and,  for
that reason, they are less liquid than swaps.
 
- --------------------------------------------------------------------------------
 
                                  RISK FACTORS
 
- --------------------------------------------------------------------------------
 
ILLIQUID SECURITIES
   
The  Government  Income  Fund  may invest  up  to  10% of  its  total  assets in
securities the  disposition of  which may  be subject  to legal  or  contractual
restrictions or the markets for which may be illiquid. The Strategic Income Fund
and  the  Portfolio  each  may  invest  up to  15%  of  net  assets  in illiquid
securities. Securities may  be considered illiquid  if a Fund  or the  Portfolio
cannot  reasonably expect within seven days  to receive approximately the amount
at which the Fund or the Portfolio values such securities. The sale of  illiquid
securities,  if they can  be sold at  all, generally will  require more time and
result in  higher  brokerage  charges  or dealer  discounts  and  other  selling
expenses  than will the  sale of liquid securities,  such as securities eligible
for trading on  U.S. securities  exchanges or in  the over-the-counter  markets.
Moreover,  restricted securities,  which may  be illiquid  for purposes  of this
limitation, often sell, if at all, at a price lower than similar securities that
are not subject to restrictions on resale.
    
 
Illiquid securities include those that are subject to restrictions contained  in
the  securities laws  of other  countries. However,  securities that  are freely
marketable in the country  where they are principally  traded, but would not  be
freely  marketable in the United States,  will not be considered illiquid. Where
registration is required, each  Fund and the Portfolio  may be obligated to  pay
all  or part of the  registration expenses and a  considerable period may elapse
between the time of the  decision to sell and the  time a Fund or the  Portfolio
may  be permitted to sell a  security under an effective registration statement.
If, during such a period, adverse market  conditions were to develop, a Fund  or
the Portfolio might obtain a less favorable price than prevailed when it decided
to sell.
 
Not   all  restricted  securities   are  illiquid.  In   recent  years  a  large
institutional  market  has  developed  for  certain  securities  that  are   not
registered  under the Securities Act of 1933, as amended ("1933 Act"), including
private placements, repurchase agreements, commercial paper, foreign  securities
and corporate bonds and notes. These instruments are often restricted securities
because  the  securities are  sold in  transactions not  requiring registration.
Institutional investors generally will not seek to sell these instruments to the
general  public,  but  instead  will   often  depend  either  on  an   efficient
institutional market in which such unregistered securities can be readily resold
or  on an issuer's ability to honor  a demand for repayment. Therefore, the fact
that there are contractual or legal restrictions on resale to the general public
or certain institutions is not dispositive of the liquidity of such investments.
 
Rule 144A under the 1933 Act  establishes a "safe harbor" from the  registration
requirements  of the  1933 Act  for resales  of certain  securities to qualified
institutional buyers.  Institutional  markets  for  restricted  securities  have
developed  as a result of Rule 144A, providing both readily ascertainable values
for restricted securities and the ability to liquidate an investment to  satisfy
share redemption orders. Such markets include automated systems for the trading,
clearance  and  settlement of  unregistered securities  of domestic  and foreign
issuers, such as  the PORTAL  System sponsored  by the  National Association  of
Securities  Dealers,  Inc.  An insufficient  number  of  qualified institutional
buyers interested in purchasing Rule 144A-eligible restricted securities held by
a Fund or the  Portfolio, however, could affect  adversely the marketability  of
such portfolio securities and a Fund or the Portfolio might be unable to dispose
of such securities promptly or at favorable prices.
 
                  Statement of Additional Information Page 15
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
With  respect  to liquidity  determinations  generally, the  Company's  Board of
Directors has  the  ultimate  responsibility for  determining  whether  specific
securities,  including restricted  securities eligible  for resale  to qualified
institutional buyers pursuant  to Rule 144A  under the 1933  Act, are liquid  or
illiquid.   The  Board   has  delegated   the  function   of  making  day-to-day
determinations of  liquidity  to  the  Manager  in  accordance  with  procedures
approved  by the Board.  The Manager 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 Manager
will monitor the liquidity of securities held by each Fund and the Portfolio and
report periodically on such  decisions to the Board  of Directors. Moreover,  as
noted   in  the  Prospectus,  certain  securities,  such  as  those  subject  to
registration restrictions of more than seven days, will generally be treated  as
illiquid.
 
FOREIGN SECURITIES
    POLITICAL,  SOCIAL AND ECONOMIC  RISKS. Investing in  securities of non-U.S.
companies may entail additional risks due to the potential political, social and
economic instability  of  certain  countries and  the  risks  of  expropriation,
nationalization,  confiscation  or  the imposition  of  restrictions  on foreign
investment, convertibility of currencies into  U.S. dollars and on  repatriation
of  capital invested.  In the  event of  such expropriation,  nationalization or
other confiscation by any country, either a Fund or the Portfolio could lose its
entire investment in any such country.
 
    RELIGIOUS, POLITICAL AND  ETHNIC INSTABILITY. Certain  countries in which  a
Fund or the Portfolio may invest may have groups that advocate radical religious
or revolutionary philosophies or support ethnic independence. Any disturbance on
the   part  of  such  individuals  could  carry  the  potential  for  widespread
destruction or  confiscation  of  property owned  by  individuals  and  entities
foreign  to such country and could cause the loss of a Fund's or the Portfolio's
investment in those  countries. Instability  may also result  from, among  other
things:  (i) authoritarian governments or  military involvement in political and
economic   decision-making,    including   changes    in   government    through
extra-constitutional  means;  (ii) popular  unrest  associated with  demands for
improved political, economic and social conditions; and (iii) hostile  relations
with  neighboring  or  other  countries.  Such  political,  social  and economic
instability could disrupt the principal financial markets in which a Fund or the
Portfolio  invests  and  adversely  affect  the  value  of  the  Fund's  or  the
Portfolio's assets.
 
    FOREIGN  INVESTMENT  RESTRICTIONS.  Certain  countries  prohibit  or  impose
substantial restrictions on investments  in their capital markets,  particularly
their  equity markets, by  foreign entities such as  the Government Income Fund,
the Strategic Income Fund or the  Portfolio. These restrictions or controls  may
at times limit or preclude investment in certain securities and may increase the
cost  and expenses of  a Fund or  the Portfolio. For  example, certain countries
require prior governmental approval before investments by foreign persons may be
made, or may limit the amount of  investment by foreign persons in a  particular
company, or may limit the investment by foreign persons to only a specific class
of securities of a company that may have less advantageous terms than securities
of  the  company available  for purchase  by  nationals. Moreover,  the national
policies of certain countries may  restrict investment opportunities in  issuers
or  industries  deemed  sensitive  to  national  interests.  In  addition,  some
countries require  governmental  approval  for the  repatriation  of  investment
income,  capital or  the proceeds of  securities sales by  foreign investors. In
addition, if there is a deterioration in a country's balance of payments or  for
other  reasons, a country may impose restrictions on foreign capital remittances
abroad. The Government Income Fund, the  Strategic Income Fund or the  Portfolio
could  be adversely affected by  delays in, or a  refusal to grant, any required
governmental approval for repatriation, as well  as by the application to it  of
other restrictions on investments.
 
    NON-UNIFORM CORPORATE DISCLOSURE STANDARDS AND GOVERNMENTAL
REGULATION.  Foreign companies are subject to accounting, auditing and financial
standards and requirements that differ, in some cases significantly, from  those
applicable to U.S. companies. In particular, the assets, liabilities and profits
appearing  on the  financial statements  of such a  company may  not reflect its
financial position or results of operations  in the way they would be  reflected
had  such financial statements  been prepared in  accordance with U.S. generally
accepted accounting  principles. Most  of  the foreign  securities held  by  the
Government  Income Fund, the Strategic Income Fund  or the Portfolio will not be
registered with  the SEC  or regulators  of any  foreign country,  nor will  the
issuers thereof be subject to the SEC's reporting requirements. Thus, there will
be less available information concerning most foreign issuers of securities held
by  the Government Income Fund, the Strategic Income Fund and the Portfolio than
is  available  concerning  U.S.  issuers.  In  instances  where  the   financial
statements  of  an issuer  are not  deemed to  reflect accurately  the financial
situation of the issuer, the Manager will take appropriate steps to evaluate the
proposed investment,  which  may  include  on-site  inspection  of  the  issuer,
interviews  with its management and  consultations with accountants, bankers and
other specialists. There  is substantially less  publicly available  information
about  foreign companies than there are reports and ratings published about U.S.
companies and the U.S. Government. In
 
                  Statement of Additional Information Page 16
<PAGE>
                             GT GLOBAL INCOME FUNDS
addition, where public information  is available, it may  be less reliable  than
such  information  regarding  U.S.  issuers. Issuers  of  securities  in foreign
jurisdictions are generally not subject to the same degree of regulation as  are
U.S.   issuers  with  respect   to  such  matters   as  restrictions  on  market
manipulation, insider trading rules,  shareholder proxy requirements and  timely
disclosure of information.
 
    CURRENCY  FLUCTUATIONS. Because  the Funds  and the  Portfolio, under normal
circumstances, will invest  substantial portions  of their total  assets in  the
securities  of foreign issuers which are  denominated in foreign currencies, the
strength or weakness  of the U.S.  dollar against such  foreign currencies  will
account  for part of  each Fund's and the  Portfolio's investment performance. A
decline in the  value of any  particular currency against  the U.S. dollar  will
cause  a decline  in the U.S.  dollar value  of each Fund's  and the Portfolio's
holdings of securities  and cash  denominated in such  currency and,  therefore,
will  cause an overall decline in their  respective net asset values and any net
investment  income  and  capital  gains  derived  from  such  securities  to  be
distributed in U.S. dollars to shareholders of the Funds. Moreover, if the value
of  the foreign currencies in which a  Fund or the Portfolio receives its income
declines relative to the U.S. dollar between  the receipt of the income and  the
making  of Fund  distributions, the  Fund or  the Portfolio  may be  required to
liquidate securities in order to make distributions if the Fund or the Portfolio
has insufficient cash in U.S. dollars to meet distribution requirements.
 
The rate of exchange between the U.S. dollar and other currencies is  determined
by  several factors including  the supply and  demand for particular currencies,
central bank efforts to support particular currencies, the relative movement  of
interest  rates and  pace of  business activity in  the other  countries and the
United States, and other economic  and financial conditions affecting the  world
economy.
 
Although  the Funds and the Portfolio value  their assets daily in terms of U.S.
dollars, they do not intend to convert holdings of foreign currencies into  U.S.
dollars  on a daily basis. The  Funds and the Portfolio will  do so from time to
time, and  investors  should be  aware  of  the costs  of  currency  conversion.
Although  foreign exchange dealers do  not charge a fee  for conversion, they do
realize a profit based on the difference ("spread") between the prices at  which
they are buying and selling various currencies. Thus, a dealer may offer to sell
a  foreign currency  to a  Fund at  one rate,  while offering  a lesser  rate of
exchange should the Fund desire to sell that currency to the dealer.
 
    ADVERSE MARKET CHARACTERISTICS.  Securities of many  foreign issuers may  be
less  liquid and their  prices more volatile than  securities of comparable U.S.
issuers. In  addition,  foreign securities  markets  and brokers  generally  are
subject  to less governmental  supervision and regulation than  in the U.S., and
foreign securities transactions usually are subject to fixed commissions,  which
generally  are  higher  than  negotiated commissions  on  U.S.  transactions. In
addition,  foreign  securities  transactions  may  be  subject  to  difficulties
associated  with the settlement of such transactions. Delays in settlement could
result in  temporary  periods  when  assets  of a  Fund  or  the  Portfolio  are
uninvested  and no  return is  earned thereon.  The inability  of a  Fund or the
Portfolio to make intended security  purchases due to settlement problems  could
cause  it to miss attractive opportunities.  Inability to dispose of a portfolio
security due to settlement problems either could  result in losses to a Fund  or
the  Portfolio due to subsequent declines in value of the portfolio security or,
if the Fund or the Portfolio has  entered into a contract to sell the  security,
could  result in possible liability to  the purchaser. The Manager will consider
such difficulties  when  determining  the  allocation  of  each  Fund's  or  the
Portfolio's assets, although the Manager does not believe that such difficulties
will  have a material adverse effect on  the Funds' or the Portfolio's portfolio
trading activities.
 
The Funds and the Portfolio may use foreign custodians, which may involve  risks
in  addition to those related to the  use of U.S. custodians. Such risks include
uncertainties  relating  to:  (i)  determining  and  monitoring  the   financial
strength,  reputation and  standing of  the foreign  custodian; (ii) maintaining
appropriate safeguards to  protect the Funds'  and the Portfolio's  investments;
and  (iii) possible  difficulties in  obtaining and  enforcing judgments against
such custodians.
 
    WITHHOLDING TAXES. Each  Fund's and  the Portfolio's  net investment  income
from foreign issuers may be subject to withholding taxes by the foreign issuer's
country,  thereby reducing the Fund's and  the Portfolio's net investment income
or delaying  the receipt  of income  where those  taxes may  be recaptured.  See
"Taxes."
 
    CONCENTRATION. To the extent a Theme Portfolio invests a significant portion
of its assets in securities of issuers located in a particular country or region
of  the world, such Portfolio may be subject to greater risks and may experience
greater volatility than a fund that is more broadly diversified geographically.
 
    SPECIAL CONSIDERATIONS AFFECTING WESTERN  EUROPEAN COUNTRIES. The  countries
that  are members of the European Economic Community ("Common Market") (Belgium,
Denmark, France,  Germany,  Greece,  Ireland,  Italy,  Luxembourg,  Netherlands,
Portugal,  Spain, and the United Kingdom)  eliminated certain import tariffs and
quotas and  other trade  barriers with  respect  to one  another over  the  past
several  years. The Manager  believes that this  deregulation should improve the
prospects for economic growth  in many Western  European countries. Among  other
things, the deregulation could enable
 
                  Statement of Additional Information Page 17
<PAGE>
                             GT GLOBAL INCOME FUNDS
companies  domiciled in  one country  to avail  themselves of  lower labor costs
existing in  other  countries.  In addition,  this  deregulation  could  benefit
companies domiciled in one country by opening additional markets for their goods
and  services in other countries. Since, however, it is not clear what the exact
form or effect of  these Common Market  reforms will be  on business in  Western
Europe,  it is impossible to predict  the long-term impact of the implementation
of these programs on the securities owned by a Fund.
 
    SPECIAL CONSIDERATIONS  AFFECTING  RUSSIA AND  EASTERN  EUROPEAN  COUNTRIES.
Investing  in Russia  and Eastern European  countries involves a  high degree of
risk and special considerations not  typically associated with investing in  the
United  States securities markets, and  should be considered highly speculative.
Such risks include: (1)  delays in settling portfolio  transactions and risk  of
loss  arising out of the system of  share registration and custody; (2) the risk
that it may be impossible  or more difficult than  in other countries to  obtain
and/or  enforce a  judgement; (3) pervasiveness  of corruption and  crime in the
economic system; (4) currency exchange rate volatility and the lack of available
currency hedging instruments; (5) higher rates of inflation (including the  risk
of   social  unrest  associated  with   periods  of  hyper-inflation)  and  high
unemployment; (6) controls on foreign investment and local practices disfavoring
foreign investors and limitations on  repatriation of invested capital,  profits
and  dividends, and on  a fund's ability  to exchange local  currencies for U.S.
dollars; (7) political instability and social unrest and violence; (8) the  risk
that  the governments of Russia and Eastern European countries may decide not to
continue to support the economic reform programs implemented recently and  could
follow  radically different political and/or  economic policies to the detriment
of investors,  including non-market-oriented  policies such  as the  support  of
certain  industries at the expense of other sectors or investors, or a return to
the centrally planned economy that existed  when such countries had a  communist
form of government; (9) the financial condition of companies in these countries,
including large amounts of inter-company debt which may create a payments crisis
on a national scale; (10) dependency on exports and the corresponding importance
of  international trade; (11)  the risk that  the tax system  in these countries
will not  be reformed  to prevent  inconsistent, retroactive  and/or  exorbitant
taxation; and (12) the underdeveloped nature of the securities markets.
 
    SPECIAL CONSIDERATIONS AFFECTING JAPAN. Japan's economic growth has declined
significantly  since 1990. The general government position has deteriorated as a
result of weakening economic  growth and stimulative  measures taken to  support
economic  activity and to  restore financial stability.  Although the decline in
interest  rates  and  fiscal  stimulation   packages  have  helped  to   contain
recessionary  forces, uncertainties remain. Japan is also heavily dependent upon
international trade, so its  economy is especially  sensitive to trade  barriers
and  disputes.  Japan has  had difficult  relations  with its  trading partners,
particularly the United States, where the trade imbalance is the greatest. It is
possible that  trade sanctions  and other  protectionist measures  could  impact
Japan adversely in both the short and the long term.
 
The  common  stocks  of many  Japanese  companies trade  at  high price-earnings
ratios. Differences  in accounting  methods  make it  difficult to  compare  the
earnings  of  Japanese companies  with those  of  companies in  other countries,
especially in the  U.S. In  general, however, reported  net income  in Japan  is
understated  relative to  U.S. accounting standards  and this is  one reason why
price-earnings  ratios  of  the  stocks   of  Japanese  companies  have   tended
historically  to be  higher than  those for  U.S. stocks.  In addition, Japanese
companies have  tended to  have  higher growth  rates  than U.S.  companies  and
Japanese  interest rates  have generally  been lower than  in the  U.S., both of
which factors tend to result in  lower discount rates and higher  price-earnings
ratios in Japan than in the U.S.
 
The  Japanese securities  markets are  less regulated  than those  in the United
States. Evidence has emerged from time to time of distortion of market prices to
serve political or other purposes.  Shareholders' rights are not always  equally
enforced.  In addition, Japan's banking  industry is undergoing problems related
to bad loans and declining values in real estate.
 
    SPECIAL CONSIDERATIONS AFFECTING  PACIFIC REGION COUNTRIES.  Certain of  the
risks  associated with international investments  are heightened for investments
in Pacific region  countries. For  example, some  of the  currencies of  Pacific
region  countries  have experienced  steady  devaluations relative  to  the U.S.
dollar, and major  adjustments have been  made periodically in  certain of  such
currencies. Certain countries, such as India, face serious exchange constraints.
Jurisdictional  disputes  also exist  between South  Korea  and North  Korea. In
addition, the  Funds  may  invest  in  Hong  Kong,  which  reverted  to  Chinese
Administration  on July  1, 1997.  Investments in  Hong Kong  may be  subject to
expropriation, national, nationalization or confiscation,  in which case a  Fund
could  lose its entire  investment in Hong  Kong. In addition,  the reversion of
Hong Kong also presents a risk that the Hong Kong dollar will be devalued and  a
risk  of possible  loss of  investor confidence  in Hong  Kong's currency, stock
market and assets.
 
    SPECIAL  CONSIDERATIONS  AFFECTING  LATIN  AMERICAN  COUNTRIES.  Most  Latin
American  countries have experienced substantial,  and in some periods extremely
high, rates of  inflation for many  years. Inflation and  rapid fluctuations  in
inflation  rates have had and may continue  to have very negative effects on the
economies and securities markets of certain Latin
 
                  Statement of Additional Information Page 18
<PAGE>
                             GT GLOBAL INCOME FUNDS
American countries. Certain Latin American countries are also among the  largest
debtors  to commercial  banks and  foreign governments.  At times  certain Latin
American countries have declared  moratoria on the  payment of principal  and/or
interest  on  external  debt.  In addition,  certain  Latin  American securities
markets have experienced high volatility in recent years.
 
Latin American countries may  also close certain sectors  of their economies  to
equity  investments  by foreigners.  Further due  to  the absence  of securities
markets and  publicly  owned corporations  and  due to  restrictions  on  direct
investment  by foreign entities,  investments may only be  made in certain Latin
American  countries  solely   or  primarily   through  governmentally   approved
investment vehicles or companies.
 
Certain Latin American countries may have managed currencies that are maintained
at  artificial levels to the U.S. dollar rather than at levels determined by the
market. This type  of system can  lead to  sudden and large  adjustments in  the
currency  which, in turn, can  have a disruptive and  negative effect on foreign
investors. For example, in late  1994, the value of  the Mexican peso lost  more
than one-third of its value relative to the U.S. dollar.
 
    SPECIAL CONSIDERATIONS AFFECTING EMERGING MARKETS. The Strategic Income Fund
and  the Portfolio may invest in  debt securities in emerging markets. Investing
in securities in emerging countries may  entail greater risks than investing  in
debt  securities in  developed countries. These  risks include  (i) less social,
political and economic stability; (ii) the small current size of the markets for
such securities and the  currently low or nonexistent  volume of trading,  which
result  in a lack  of liquidity and  in greater price  volatility; (iii) certain
national policies  which  may  restrict  the Strategic  Income  Fund's  and  the
Portfolio's  investment opportunities,  including restrictions  on investment in
issuers or  industries  deemed sensitive  to  national interests;  (iv)  foreign
taxation;  and  (v) the  absence of  developed  structures governing  private or
foreign investment  or  allowing for  judicial  redress for  injury  to  private
property.
 
Settlement  mechanisms in emerging securities markets  may be less efficient and
reliable than in  more developed  markets. In such  emerging securities  markets
there may be share registration and delivery delays or failures.
 
Many emerging market countries have experienced substantial, and in some periods
extremely  high,  rates  of  inflation  for  many  years.  Inflation  and  rapid
fluctuations in inflation rates and corresponding currency devaluations have had
and may  continue to  have  negative effects  on  the economies  and  securities
markets of certain emerging market countries.
 
- --------------------------------------------------------------------------------
 
                             INVESTMENT LIMITATIONS
 
- --------------------------------------------------------------------------------
 
Each  Fund and the Portfolio has adopted the following investment limitations as
fundamental policies which may not be changed without approval by the holders of
the lesser of (i) 67% of that Fund's shares or the total beneficial interests of
the Portfolio represented at a meeting at which more than 50% of the outstanding
shares of  the Fund  or the  total  beneficial interests  of the  Portfolio  are
represented,  or (ii) more than 50% of the outstanding shares of the Fund or the
total beneficial interests of  the Portfolio. Whenever the  High Income Fund  is
requested  to vote on a  change in the investment  limitations of the Portfolio,
the Fund will  hold a meeting  of its shareholders  and will cast  its votes  as
instructed by its shareholders.
 
                             GOVERNMENT INCOME FUND
 
The Government Income Fund may not:
 
        (1)  Invest  25%  or  more of  the  value  of its  total  assets  in the
    securities of issuers conducting their principal business activities in  the
    same  industry, except  that this limitation  shall not  apply to securities
    issued or guaranteed as to principal and interest by the U.S. Government  or
    any of its agencies or instrumentalities;
 
        (2)  Invest  in  companies  for the  purpose  of  exercising  control or
    management;
 
        (3) Buy or sell real estate (including real estate limited partnerships)
    or commodities or commodity contracts; however, the Fund may invest in  debt
    securities  secured  by  real  estate  or  interests  therein  or  issued by
    companies which invest in real  estate or interests therein, including  real
    estate  investment  trusts ("REITs"),  and may  purchase or  sell currencies
    (including forward  currency  exchange  contracts),  futures  contracts  and
    related  options generally as described in the Prospectus and this Statement
    of Additional Information and subject to (14) below;
 
                  Statement of Additional Information Page 19
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        (4)  Acquire  securities  subject  to  restrictions  on  disposition  or
    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 a Fund, if, immediately after and as a result, the value of  such
    securities would exceed, in the aggregate, 10% of the Fund's total assets;
 
        (5)  Engage in the business of underwriting securities of other issuers,
    except to  the  extent that  the  disposal  of an  investment  position  may
    technically cause it to be considered an underwriter as that term is defined
    under the 1933 Act;
 
        (6)  Make loans, except  that the Fund may  purchase debt securities and
    enter into repurchase agreements and make loans of portfolio securities;
 
        (7)  Sell  securities  short,  except  to  the  extent  that  the   Fund
    contemporaneously  owns or  has the right  to acquire at  no additional cost
    securities identical to those sold short;
 
        (8) Purchase securities  on margin,  provided that the  Fund may  obtain
    such  short-term credits as may be  necessary for the clearance of purchases
    and sales  of  securities;  except  that it  may  make  margin  deposits  in
    connection with futures contracts subject to (14) below;
 
        (9)  Borrow money, except from banks for temporary or emergency purposes
    not in excess of 30% of the value of the Fund's total assets. The Fund  will
    not   purchase  securities  while  such  borrowings  are  outstanding.  This
    restriction shall not prevent the Fund from entering into reverse repurchase
    agreements and  engaging  in  "roll"  transactions,  provided  that  reverse
    repurchase  agreements,  "roll"  transactions  and  any  other  transactions
    constituting borrowing by the  Fund may not exceed  one-third of the  Fund's
    total assets. In the event that the asset coverage for the Fund's borrowings
    falls below 300%, the Fund will reduce, within three days (excluding Sundays
    and holidays), the amount of its borrowings in order to provide for the 300%
    asset coverage;
 
       (10)  Mortgage, pledge, or  hypothecate any of  its assets, provided that
    this restriction shall not apply to the transfer of securities in connection
    with any permissible borrowing;
 
       (11) Invest in  interests in oil,  gas, or other  mineral exploration  or
    development programs;
 
       (12)  Invest more than 5% of its  total assets in securities of companies
    having, together with their predecessors, a record of less than three  years
    of continuous operation;
 
       (13) Purchase or retain the securities of any issuer, if those individual
    officers  and Directors  of the Company,  the Fund's  investment adviser, or
    distributor, each owning beneficially more than 1/2 of 1% of the  securities
    of  such issuer, together own more than 5% of the securities of such issuer;
    or
 
       (14) Enter into a futures contract, if, as a result thereof, more than 5%
    of the Fund's total assets  (taken at market value  at the time of  entering
    into the contract) would be committed to margin on such futures contracts.
 
For  purposes of  the Fund's  concentration policy  contained in  limitation (1)
above, the Fund intends to comply  with the SEC staff positions that  securities
issued  or  guaranteed  as  to  principal and  interest  by  any  single foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
 
   
The following  investment  policies  of  the  Government  Income  Fund  are  not
fundamental  policies  and may  be changed  by  vote of  the Company's  Board of
Directors without shareholder approval.  The Fund may not:  (i) borrow money  to
purchase  securities;  and  (ii)  invest  in  securities  of  an  issuer  if the
investment would cause the Fund to own more than 10% of any class of  securities
of any one issuer.
    
 
                             STRATEGIC INCOME FUND
 
The Strategic Income Fund may not:
 
        (1)  Invest  25%  or  more of  the  value  of its  total  assets  in the
    securities of issuers conducting their principal business activities in  the
    same  industry,  (provided, however,  that the  Fund may  invest all  of its
    investable  assets  in  an  open-end  management  investment  company   with
    substantially  the same  investment objectives, policies  and limitations as
    the Fund) except that this limitation  shall not apply to securities  issued
    or  guaranteed as to principal and interest by the U.S. Government or any of
    its agencies or instrumentalities;
 
                  Statement of Additional Information Page 20
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        (2) Invest  in  companies  for  the purpose  of  exercising  control  or
    management  (provided,  however,  that  the  Fund  may  invest  all  of  its
    investable  assets  in  an  open-end  management  investment  company   with
    substantially  the same  investment objectives, policies  and limitations as
    the Fund);
 
        (3) Buy or sell real estate (including real estate limited partnerships)
    or commodities or commodity contracts; however, the Fund may invest in  debt
    securities  secured  by  real  estate  or  interests  therein  or  issued by
    companies which invest in real  estate or interests therein, including  real
    estate  investment  trusts  (REITs),  and may  purchase  or  sell currencies
    (including forward  currency  exchange  contracts),  futures  contracts  and
    related  options generally as described in the Prospectus and this Statement
    of Additional Information and subject to (13) below;
 
        (4) Engage in the business of underwriting securities of other  issuers,
    except  to  the  extent that  the  disposal  of an  investment  position may
    technically cause it to be considered an underwriter as that term is defined
    under the 1933 Act;
 
        (5)  Make  loans,  except  that  the  Fund  may  invest  in  loans   and
    participations,   purchase  debt   securities  and   enter  into  repurchase
    agreements and make loans of portfolio securities;
 
        (6)  Sell  securities  short,  except  to  the  extent  that  the   Fund
    contemporaneously  owns or  has the right  to acquire at  no additional cost
    securities identical to those sold short;
 
        (7) Purchase securities  on margin,  provided that the  Fund may  obtain
    such  short-term credits as may be  necessary for the clearance of purchases
    and sales  of  securities;  except  that it  may  make  margin  deposits  in
    connection with futures contracts subject to (13) below;
 
        (8)  Borrow  money in  excess  of 33  1/3%  of the  Fund's  total assets
    (including the  amount  borrowed),  less all  liabilities  and  indebtedness
    (other  than borrowing).  This restriction shall  not prevent  the Fund from
    entering  into  reverse  repurchase   agreements  and  engaging  in   "roll"
    transactions,   provided   that   reverse   repurchase   agreements,  "roll"
    transactions and any other transactions  constituting borrowing by the  Fund
    may  not exceed one-third of the Fund's  total assets. In the event that the
    asset coverage for  the Fund's borrowings  falls below 300%,  the Fund  will
    reduce,  within three days  (excluding Sundays and  holidays), the amount of
    its borrowings in  order to  provide for 300%  asset coverage.  Transactions
    involving  options,  futures  contracts, options  on  futures  contracts and
    forward currency  contracts, and  collateral arrangements  relating  thereto
    will not be deemed to be borrowings;
 
        (9)  Mortgage, pledge, or  hypothecate any of  its assets, provided that
    this restriction shall not apply to the transfer of securities in connection
    with any permissible borrowing;
 
       (10) Invest in  interests in oil,  gas, or other  mineral exploration  or
    development programs;
 
       (11)  Invest more than 5% of its  total assets in securities of companies
    having, together with their predecessors, a record of less than three  years
    of  continuous operation (provided, however, that the Fund may invest all of
    its investable  assets in  an open-end  management investment  company  with
    substantially  the same investment objectives,  policies, and limitations as
    the Fund);
 
       (12) Purchase or retain the securities of any issuer, if those individual
    officers and Directors  of the  Company, the Fund's  investment adviser,  or
    distributor,  each owning beneficially more than 1/2 of 1% of the securities
    of such issuer, together own more than 5% of the securities of such  issuer;
    or
 
       (13) Enter into a futures contract, if, as a result thereof, more than 5%
    of  the Fund's total assets  (taken at market value  at the time of entering
    into the contract) would be committed to margin on such futures contracts.
 
For purposes  of the  Fund's concentration  policy contained  in limitation  (1)
above,  the Fund intends to comply with  the SEC staff positions that securities
issued or  guaranteed  as  to  principal and  interest  by  any  single  foreign
government or any supranational organizations in the aggregate are considered to
be securities of issuers in the same industry.
 
   
The  following  investment  policies  of  the  Strategic  Income  Fund  are  not
fundamental policies  and may  be changed  by  vote of  the Company's  Board  of
Directors without shareholder approval. The Fund may not:
    
 
        (1) Invest more than 15% of its total assets in illiquid securities;
 
        (2)  Borrow  money  to  purchase  securities  and  will  not  invest  in
    securities of an issuer if the investment  would cause the Fund to own  more
    than  10% of any class  of securities of any  one issuer (provided, however,
    that the  Fund  may invest  all  of its  investable  assets in  an  open-end
    management   investment  company  with  substantially  the  same  investment
    objectives, policies, and limitations as the Fund.); and
 
                  Statement of Additional Information Page 21
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        (3) Invest  more  than  10% of  its  total  assets in  shares  of  other
    investment  companies and invest more than 5% of its total assets in any one
    investment company  or  acquire  more  than 3%  of  the  outstanding  voting
    securities  of any one investment company  (provided, however, that the Fund
    may invest all of its investable assets in an open-end management investment
    company with  substantially the  same investment  objectives, policies,  and
    limitations as the Fund).
 
                       HIGH INCOME FUND AND THE PORTFOLIO
 
The High Income Fund and the Portfolio each may not:
 
        (1)  Invest  25%  or  more of  the  value  of its  total  assets  in the
    securities of issuers conducting their principal business activities in  the
    same  industry,  (provided, however,  that the  Fund may  invest all  of its
    investable  assets  in  an  open-end  management  investment  company   with
    substantially  the same investment objectives as  the Fund) except that this
    limitation shall  not  apply  to  securities  issued  or  guaranteed  as  to
    principal  and interest  by the  U.S. Government or  any of  its agencies or
    instrumentalities;
 
        (2)  Purchase  or  sell  real  estate,  including  real  estate  limited
    partnerships,  provided  that  the  Fund and  the  Portfolio  may  invest in
    securities secured  by  real  estate  or  interests  therein  or  issued  by
    companies that invest in real estate or interests therein;
 
        (3) Purchase or sell commodities or commodity contracts, except that the
    Fund  and the Portfolio may purchase and sell financial and currency futures
    contracts and options thereon,  and may purchase  and sell currency  forward
    contracts,  options  on  foreign  currencies  and  may  otherwise  engage in
    transactions in foreign currencies;
 
        (4) Underwrite securities of other  issuers, except to the extent  that,
    in connection with the disposition of portfolio securities, the Fund and the
    Portfolio  may be  deemed an underwriter  under federal  or state securities
    laws;
 
        (5) Make loans,  except that the  Fund and the  Portfolio may invest  in
    loans and participations, purchase debt securities and enter into repurchase
    agreements and make loans of portfolio securities;
 
        (6)  Purchase  securities  on margin,  provided  that the  Fund  and the
    Portfolio may obtain  such short-term credits  as may be  necessary for  the
    clearance  of purchases  and sales  of securities;  except that  it may make
    margin deposits in connection  with the use  of options, futures  contracts,
    options  thereon or forward  currency contracts. The  Fund and the Portfolio
    may make deposits of margin in connection with futures and forward contracts
    and options thereon;
 
        (7) Borrow money in excess of 33  1/3% of the Fund's or the  Portfolio's
    total  assets  (including the  amount  borrowed), less  all  liabilities and
    indebtedness (other than borrowing). This restriction shall not prevent  the
    Fund  or the Portfolio from entering  into reverse repurchase agreements and
    engaging  in   "roll"  transactions,   provided  that   reverse   repurchase
    agreements,  "roll"  transactions  and any  other  transactions constituting
    borrowing by  the Fund  or the  Portfolio may  not exceed  one-third of  the
    Fund's  or the  Portfolio's respective total  assets. In the  event that the
    asset coverage  for the  Fund's or  the Portfolio's  borrowings falls  below
    300%,  the Fund or  the Portfolio will reduce,  within three days (excluding
    Sundays and holidays), the amount of its borrowings in order to provide  for
    300%  asset  coverage.  Transactions involving  options,  futures contracts,
    options on futures contracts and forward currency contracts, and  collateral
    arrangements relating thereto will not be deemed to be borrowings;
 
        (8)  Mortgage, pledge, or  in any other manner  transfer as security for
    any indebtedness any of its  assets, except to secure permitted  borrowings.
    Collateral  arrangements  with respect  to initial  or variation  margin for
    futures contracts will not  be deemed to  be a pledge of  the Fund's or  the
    Portfolio's assets;
 
        (9)  Invest in direct interests or leases  in oil, gas, or other mineral
    exploration or development programs, however, the Fund or the Portfolio  may
    invest in securities of companies that engage in these activities; or
 
       (10)  With respect to 50% of its total assets, invest more than 5% of its
    assets in the securities of any one issuer or purchase more than 10% of  the
    outstanding voting securities of any one issuer (provided, however, that the
    Fund  may  invest all  of its  investable assets  in an  open-end management
    investment company with substantially the same investment objectives as  the
    Fund).
 
For purposes of the Fund's and the Portfolio's concentration policy contained in
limitation  (1) above, they intend  to comply with the  SEC staff positions that
securities issued  or guaranteed  as to  principal and  interest by  any  single
foreign  government  or any  supranational  organizations in  the  aggregate are
considered to be securities of issuers in the same industry.
 
                  Statement of Additional Information Page 22
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
The following investment policies of the High Income Fund and the Portfolio  are
not  fundamental policies and may  be changed by vote  of the Company's Board of
Directors or the Portfolio's Board of Trustees without shareholder approval. The
Fund and the Portfolio may not:
    
 
        (1) Invest in securities of an issuer if the investment would cause  the
    Fund or the Portfolio to own more than 10% of any class of securities of any
    one  issuer  (provided,  however,  that  the  Fund  may  invest  all  of its
    investable  assets  in  an  open-end  management  investment  company   with
    substantially the same investment objectives as the Fund);
 
        (2)  Invest  in  companies  for the  purpose  of  exercising  control or
    management  (provided,  however,  that  the  Fund  may  invest  all  of  its
    investable   assets  in  an  open-end  management  investment  company  with
    substantially the same investment objectives as the Fund);
 
        (3) Enter into a futures contract,  an option on a futures contract,  or
    an  option on foreign currency traded  on a CFTC-regulated exchange, in each
    case other than for BONA FIDE hedging purposes (as defined by the CFTC),  if
    the aggregate initial margin and premiums required to establish all of those
    positions (excluding the amount by which options are "in-the-money") exceeds
    5%  of the  liquidation value  of the  Fund's or  the Portfolio's portfolio,
    after taking into account  unrealized profits and  unrealized losses on  any
    contracts the Fund or the Portfolio has entered into; or
 
        (4)  Invest  more  than 10%  of  its  total assets  in  shares  of other
    investment companies and invest more than 5% of its total assets in any  one
    investment  company  or  acquire  more than  3%  of  the  outstanding voting
    securities of any one investment  company (provided, however, that the  Fund
    may invest all of its investable assets in an open-end management investment
    company with substantially the same investment objectives as the Fund).
 
Investors should refer to the Prospectus for further information with respect to
each Fund's investment objectives, which may not be changed without the approval
of shareholders, and the Portfolio's investment objectives, which may be changed
without  the  approval  of  investors in  the  Portfolio,  and  other investment
policies and techniques, which may be changed without shareholder approval.
 
                  Statement of Additional Information Page 23
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                      EXECUTION OF PORTFOLIO TRANSACTIONS
 
- --------------------------------------------------------------------------------
 
Subject to policies established by the Company's Board of Directors, the Manager
is responsible for the execution of  the Government Income and Strategic  Income
Funds'  and the Portfolio's portfolio transactions  and the selection of broker/
dealers that  execute  such  transactions  on behalf  of  these  Funds  and  the
Portfolio. In executing transactions, the Manager seeks the best net results for
the  Government Income and Strategic Income Funds and the Portfolio, taking into
account such factors as the price (including the applicable brokerage commission
or dealer spread), size  of the order, difficulty  of execution and  operational
facilities of the firm involved. Although the Manager generally seeks reasonably
competitive  commission rates and  spreads, payment of  the lowest commission or
spread is not necessarily consistent with the best net results. While the  Funds
and  the Portfolio may engage in soft dollar arrangements for research services,
as described below, neither  the Funds nor the  Portfolio has any obligation  to
deal  with  any broker/dealer  or group  of broker/dealers  in the  execution of
portfolio transactions.
 
Debt securities generally are traded  on a "net" basis  with a dealer acting  as
principal for its own account without a stated commission, although the price of
the  security  usually  includes  a  profit  to  the  dealer.  U.S.  and foreign
government securities and money market  instruments generally are traded in  the
OTC  markets. In underwritten  offerings, securities usually  are purchased at a
fixed price which  includes an  amount of  compensation to  the underwriter.  On
occasion,  securities may be purchased directly from an issuer, in which case no
commissions or discounts  are paid.  Broker/dealers may  receive commissions  on
futures, currency and options transactions.
 
Consistent  with the interests of  the Funds and the  Portfolio, the Manager may
select brokers to execute the Funds' and the Portfolio's portfolio  transactions
on  the basis of the research and brokerage services they provide to the Manager
for its use  in managing  the Funds  and the  Portfolio and  its other  advisory
accounts. Such services may include furnishing analyses, reports and information
concerning issuers, industries, securities, geographic regions, economic factors
and  trends,  portfolio strategy,  and  performance of  accounts;  and effecting
securities transactions  and performing  functions incidental  thereto (such  as
clearance  and settlement). Research  and brokerage services  received from such
brokers are in  addition to, and  not in lieu  of, the services  required to  be
performed   by  the  Manager  under  investment  management  and  administration
contracts. A  commission paid  to such  brokers may  be higher  than that  which
another  qualified broker would have charged for effecting the same transaction,
provided that  the Manager  determines in  good faith  that such  commission  is
reasonable  in  terms  either  of that  particular  transaction  or  the overall
responsibility of  the Manager  to the  Funds and  the Portfolio  and its  other
clients  and that the total commissions paid by the Funds and the Portfolio will
be reasonable  in  relation  to the  benefits  received  by the  Funds  and  the
Portfolio  over  the long  term.  Research services  may  also be  received from
dealers who execute Fund transactions in OTC markets.
 
The Manager  may  allocate brokerage  transactions  to broker/dealers  who  have
entered  into arrangements under which the  broker/dealer allocates a portion of
the commissions paid by the Funds or the Portfolio toward payment of the  Funds'
or the Portfolio's expenses, such as transfer agent and custodian fees.
 
Investment  decisions for each  Fund and the Portfolio  and for other investment
accounts managed by the Manager are made independently of each other in light of
differing conditions. However, the same investment decision occasionally may  be
made  for two  or more  of such accounts,  including one  or both  Funds and the
Portfolio. In  such cases,  simultaneous transactions  may occur.  Purchases  or
sales  are then  allocated as  to price or  amount in  a manner  deemed fair and
equitable to all accounts involved. While in some cases this practice could have
a detrimental effect upon the price or value of the security as far as the Funds
and the  Portfolio are  concerned,  in other  cases  the Manager  believes  that
coordination  and  the ability  to participate  in  volume transactions  will be
beneficial to the Funds and the Portfolio.
 
Under a policy adopted by the  Company's Board of Directors and the  Portfolio's
Board  of Trustees, and subject to the policy of obtaining the best net results,
the Manager may consider a broker/dealer's sale  of the shares of the Funds  and
the  other funds for which the Manager serves as investment manager in selecting
brokers and dealers  for the  execution of portfolio  transactions. This  policy
does  not  imply  a commitment  to  execute portfolio  transactions  through all
broker/ dealers that sell shares of the Funds and such other funds.
 
                  Statement of Additional Information Page 24
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Each  Fund  and  the  Portfolio  contemplates  purchasing  most  foreign  equity
securities  in  over-the-counter  markets  or  stock  exchanges  located  in the
countries in  which the  respective  principal offices  of  the issuers  of  the
various  securities are located, if that is the best available market. The fixed
commissions paid  in  connection  with  most  such  foreign  stock  transactions
generally  are higher than negotiated commissions on United States transactions.
There generally is less government  supervision and regulation of foreign  stock
exchanges  and brokers than  in the United  States. Foreign security settlements
may  in  some  instances  be  subject  to  delays  and  related   administrative
uncertainties.
 
Foreign equity securities may be held by a Fund and the Portfolio in the form of
American  Depository  Receipts  ("ADRs"), American  Depository  Shares ("ADSs"),
Continental  Depository  Receipts  ("CDRs")  or  European  Depository   Receipts
("EDRs")  or securities convertible into  foreign equity securities. ADRs, ADSs,
CDRs and EDRs may be listed on stock exchanges, or traded in the OTC markets  in
the  United States or  Europe, as the  case may be.  ADRs, like other securities
traded in the United States, will be subject to negotiated commission rates. The
foreign and domestic debt securities and  money market instruments in which  the
Funds and the Portfolio may invest generally are traded in the OTC markets.
 
The  Funds and  the Portfolio  contemplate that,  consistent with  the policy of
obtaining the best net results, brokerage transactions may be conducted  through
certain  companies  that  are members  of  the Liechtenstein  Global  Trust. The
Company's Board  of Directors  has adopted  procedures in  conformity with  Rule
17e-1  under the 1940 Act to ensure  that all brokerage commissions paid to such
affiliates are reasonable and fair  in the context of  the market in which  they
are  operating. Any such transactions will  be effected and related compensation
paid only in accordance  with applicable SEC regulations.  For the fiscal  years
ended  October 31, 1997,  1996 and 1995, the  Portfolio paid aggregate brokerage
commissions of $0,  $86,600 and  $0, respectively.  For the  fiscal years  ended
October  31,  1997, 1996  and 1995,  the Government  Income Fund  paid aggregate
brokerage commissions of $4,987,  $24,663 and $0,  respectively. For the  fiscal
years  ended October  31, 1997,  1996 and 1995,  the Strategic  Income Fund paid
aggregate brokerage commissions of $6,177, $85,404 and $0, respectively.
 
PORTFOLIO TRADING AND TURNOVER
Each Fund  and the  Portfolio  engages in  portfolio  trading when  the  Manager
concludes  that the sale of a security owned  by a Fund and the Portfolio and/or
the purchase of another  security of better value  can enhance principal  and/or
increase  income. A  security may  be sold to  avoid any  prospective decline in
market value, or a security may be  purchased in anticipation of a market  rise.
Consistent  with  each  Fund's  and  the  Portfolio's  investment  objectives, a
security also may be sold and a comparable security purchased coincidentally  in
order  to take  advantage of what  is believed to  be a disparity  in the normal
yield and price relationship between the two securities. Although the Funds  and
the  Portfolio  generally do  not intend  to trade  for short-term  profits, the
securities in each Fund's  and the Portfolio's portfolio  will be sold  whenever
the Manager believes it is appropriate to do so, without regard to the length of
time  a particular security may have been held. Portfolio turnover is calculated
by dividing the  lesser of sales  or purchases of  portfolio securities by  each
Fund's   or  the  Portfolio's  average   month-end  portfolio  value,  excluding
short-term  investments.  Higher  portfolio  turnover  involves  correspondingly
greater  brokerage commissions  and other transaction  costs that a  Fund or the
Portfolio will bear directly, and may  result in the realization of net  capital
gains  that  are  taxable  when distributed  to  each  Fund's  shareholders. The
portfolio turnover rates for the  Government Income Fund, Strategic Income  Fund
and the Portfolio the last two fiscal years were as follows:
 
<TABLE>
<CAPTION>
                                                                                              YEAR ENDED OCT.    YEAR ENDED
                                                                                                 31, 1997       OCT. 31, 1996
                                                                                              ---------------  ---------------
<S>                                                                                           <C>              <C>
Government Income Fund......................................................................          241%             268%
Strategic Income Fund.......................................................................          149%             177%
High Income Portfolio.......................................................................          214%             290%
</TABLE>
 
                  Statement of Additional Information Page 25
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                            DIRECTORS, TRUSTEES AND
                               EXECUTIVE OFFICERS
 
- --------------------------------------------------------------------------------
 
The  term "Directors" as  used below refers  to the Company's  Directors and the
Portfolio's  Trustees  collectively.  The  Company's  Directors  and   executive
officers and the Portfolio's Trustees and executive officers are listed below.
 
   
<TABLE>
<CAPTION>
NAMES, POSITION(S) WITH THE              PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY/PORTFOLIO AND ADDRESS            EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
William J. Guilfoyle*, 39                Mr. Guilfoyle is President, GT Global, Inc. since 1995; Director, GT Global since 1991;
Director, Chairman of the Board and      Senior Vice President and Director of Sales and Marketing, GT Global from May 1992 to
President                                April 1995; Vice President and Director of Marketing, GT Global from 1987 to 1992;
50 California Street                     Director, Liechtenstein Global Trust AG (holding company of the various international LGT
San Francisco, CA 94111                  companies) Advisory Board since January 1996; Director, G.T. Global Insurance Agency
                                         ("G.T. Insurance") since 1996; President and Chief Executive Officer, G.T. Insurance since
                                         1995; Senior Vice President and Director, Sales and Marketing, G.T. Insurance from April
                                         1995 to November 1995; Senior Vice President, Retail Marketing, G.T. Insurance from 1992
                                         to 1993. Mr. Guilfoyle is also a director or trustee of each of the other investment
                                         companies registered under the Investment Company Act of 1940, as amended (the "1940
                                         Act"), that is managed or administered by the Manager.
C. Derek Anderson, 56                    Mr. Anderson is President, Plantagenet Capital Management, LLC (an investment
Director                                 partnership); Chief Executive Officer, Plantagenet Holdings, Ltd. (an investment banking
220 Sansome Street                       firm); Director, Anderson Capital Management, Inc. since 1988; Director, PremiumWear, Inc.
Suite 400                                (formerly Munsingwear, Inc.) (a casual apparel company) and Director, "R" Homes, Inc. and
San Francisco, CA 94104                  various other companies. Mr. Anderson is also a director or trustee of each of the other
                                         investment companies registered under the 1940 Act that is managed or administered by the
                                         Manager.
Frank S. Bayley, 58                      Mr. Bayley is a partner of the law firm of Baker & McKenzie, and serves as a Director and
Director                                 Chairman of C.D. Stimson Company (a private investment company). Mr. Bayley is also a
Two Embarcadero Center                   director or trustee of each of the other investment companies registered under the 1940
Suite 2400                               Act that is managed or administered by the Manager.
San Francisco, CA 94111
Arthur C. Patterson, 54                  Mr. Patterson is Managing Partner of Accel Partners (a venture capital firm). He also
Director                                 serves as a director of Viasoft and PageMart, Inc. (both public software companies), as
428 University Avenue                    well as several other privately held software and communications companies. Mr. Patterson
Palo Alto, CA 94301                      is also a director or trustee of each of the other investment companies registered under
                                         the 1940 Act that is managed or administered by the Manager.
Ruth H. Quigley, 62                      Miss Quigley is a private investor. From 1984 to 1986, she was President of Quigley
Director                                 Friedlander & Co., Inc. (a financial advisory services firm). Miss Quigley is also a
1055 California Street                   director or trustee of each of the other investment companies registered under the 1940
San Francisco, CA 94108                  Act that is managed or administered by the Manager.
Robert G. Wade, Jr.*, 70                 Mr. Wade is Consultant to Chancellor LGT; Chairman of the Board of Chancellor Capital
Director                                 Management, Inc. from January 1995 to October 1996; President, Chief Executive Officer and
1166 Avenue of the Americas              Chairman of the Board of Chancellor Capital Management, Inc. from 1988 to January 1995.
New York, NY 10036                       Mr. Wade is also a director or trustee of each of the other investment companies
                                         registered under the 1940 Act that is managed or administered by the Manager.
</TABLE>
    
 
- --------------
*  Mr. Guilfoyle and Mr. Wade are "interested persons" of the Company as defined
by the 1940 Act due to their affiliation with the LGT companies.
 
                  Statement of Additional Information Page 26
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
<TABLE>
<CAPTION>
NAMES, POSITION(S) WITH THE              PRINCIPAL OCCUPATIONS AND BUSINESS
COMPANY/PORTFOLIO AND ADDRESS            EXPERIENCE FOR PAST 5 YEARS
- ---------------------------------------  ------------------------------------------------------------------------------------------
<S>                                      <C>
Kenneth W. Chancey, 52            Senior Vice President -- Mutual Fund Accounting, the Manager since 1997;
Vice President and                Vice President -- Mutual Fund Accounting, the Manager from 1992 to 1997;
Principal Accounting Officer      and Vice President, Putnam Fiduciary Trust Company from 1989 to 1992.
50 California Street
San Francisco, CA 94111
Helge K. Lee, 51                  Chief Legal and Compliance Officer -- North America, the Manager since
Vice President                    October 1997; Executive Vice President of the Asset Management Division
50 California Street              of Liechtenstein Global Trust since October 1996; Senior Vice President,
San Francisco, CA 94111           General Counsel and Secretary of Chancellor LGT, GT Global, GT Services
                                  and G.T. Insurance from February 1996 to October 1996; Vice President,
                                  General Counsel and Secretary of LGT Asset Management, Inc., Chancellor
                                  LGT, GT Global, GT Services and G.T. Insurance from May 1994 to February
                                  1996; Senior Vice President, General Counsel and Secretary of
                                  Strong/Corneliuson Management, Inc. and Secretary of each of the Strong
                                  Funds from October 1991 through May 1994.
</TABLE>
    
 
                         ------------------------------
 
   
The  Board has a  Nominating and Audit  Committee, composed of  Miss Quigley and
Messrs. Anderson,  Bayley and  Patterson, which  is responsible  for  nominating
persons to serve as Directors, reviewing audits of the Company and its funds and
recommending  firms to serve as independent auditors of the Company. Each of the
Directors and officers of  the Company is  also a Director  and officer of  G.T.
Investment  Portfolios,  Inc., and  GT Global  Floating Rate  Fund, Inc.,  and a
Trustee and officer  of G.T. Global  Growth Series, G.T.  Global Eastern  Europe
Fund,  G.T. Global  Variable Investment  Trust, G.T.  Global Variable Investment
Series,  Global  Investment  Portfolio,  Floating  Rate  Portfolio  and   Growth
Portfolio,  which  also  are  registered  investment  companies  managed  by the
Manager. Each of the individuals listed above serves as a Director or officer of
the Company as well as a Trustee or officer of the Portfolio. Each Director  and
Officer  serves in total as a Director and or Trustee and Officer, respectively,
of 12 registered investment companies with 42 series managed or administered  by
the Manager. Each Director or Trustee who is not a director, officer or employee
of  the Manager or any  affiliated company is paid  aggregate fees of $5,000 per
annum, plus $300 per Fund for each meeting of the Board attended, and reimbursed
travel and  other  expenses  incurred  in connection  with  attendance  at  such
meetings.  Other  Directors  and  officers receive  no  compensation  or expense
reimbursement from  the Company.  For  the fiscal  year  October 31,  1997,  Mr.
Anderson,  Mr. Bayley,  Mr. Patterson and  Miss Quigley, who  are not directors,
officers, or  employees of  the Manager  or any  affiliated companies,  received
total  compensation of $38,650, $38,650, $27,850 and $38,650, respectively, from
the Company's series Funds for their services as Directors. For the fiscal  year
ended October 31, 1997, Mr. Anderson, Mr. Bayley, Mr. Patterson and Miss Quigley
received  total  compensation  of  $117,304,  $114,386,  $88,350  and  $111,688,
respectively, from  the  investment companies  managed  or administered  by  the
Manager  for which he or she serves as  a Director or Trustee. Fees and expenses
disbursed to the Directors contained no accrued or payable pension or retirement
benefits. As of January 8, 1998,  the Officers and Directors and their  families
as  a group owned in the aggregate beneficially or of record less than 1% of the
outstanding shares of the Funds or of all the Company's series in the aggregate.
    
 
                  Statement of Additional Information Page 27
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   MANAGEMENT
 
- --------------------------------------------------------------------------------
 
INVESTMENT MANAGEMENT AND ADMINISTRATION SERVICES
The Manager serves  as the  Government Income  Fund's and  the Strategic  Income
Fund's  investment manager and administrator  under an Investment Management and
Administration Contract between the Company and the Manager ("Company Management
Contract") and as the Portfolio's investment manager and administrator under  an
Investment  Management and Administration Contract between the Portfolio and the
Manager   ("Portfolio   Management    Contract")   (collectively,    "Management
Contracts"). The Manager serves as the High Income Fund's administrator under an
Administration  Contract ("Administration Contract") between the Company and the
Manager. The Administration Contract will not be deemed an advisory contract, as
defined under the 1940 Act. As investment manager and administrator, the Manager
makes all investment  decisions for  the Government Income  Fund, the  Strategic
Income Fund and the Portfolio and as administrator, the Manager administers each
Fund's  and the Portfolio's  affairs. Among other  things, the Manager furnishes
the services  and pays  the  compensation and  travel  expenses of  persons  who
perform the executive, administrative, clerical and bookkeeping functions of the
Company,  the  Funds,  and the  Portfolio  and provides  suitable  office space,
necessary  small  office  equipment  and  utilities.  For  these  services,  the
Government  Income  Fund and  the  Strategic Income  Fund  each pay  the Manager
investment management and administration fees, based on the Funds' average daily
net assets computed daily and paid monthly,  at the annualized rate of .725%  on
the  first  $500 million,  .70% on  the next  1  billion, .675%  on the  next $1
billion,  and  .65%   on  amounts   thereafter.  The  High   Income  Fund   pays
administration  fees, computed  daily and  paid monthly,  to the  Manager at the
annualized rate of 0.25%  of the Fund's average  daily net assets. In  addition,
the  High Income Fund bears a pro  rata portion of the investment management and
administration fee paid by the Portfolio to the Manager. The Portfolio pays such
fees also computed daily and paid monthly at the annualized rate of .475% on the
first $500 million, .45% on the next  $1 billion, .425% on the next $1  billion,
and  .40% on amounts thereafter of its average  daily net assets, plus 2% of the
Portfolio's total investment income  as stated in  the Portfolio's Statement  of
Operations,   calculated  in  accordance   with  generally  accepted  accounting
principles, adjusted  daily for  currency revaluations,  on a  marked to  market
basis, of the Portfolio's assets; provided, however, that during any fiscal year
this  amount  shall not  exceed 2%  of the  Portfolio's total  investment income
calculated in accordance with generally accepted accounting principles.
 
The Management Contracts may  be renewed for one-year  terms, provided that  any
such  renewal  has been  specifically  approved at  least  annually by:  (i) the
Company's  Board  of  Directors  or  the  Portfolio's  Board  of  Trustees,   as
applicable,  or  by the  vote of  a majority  of the  Fund's or  the Portfolio's
outstanding voting securities (as defined in the 1940 Act), and (ii) a  majority
of  Directors or Trustees who are not  parties to the Management Contract or the
Administration Contract, as applicable or "interested persons" of any such party
(as defined  in the  1940 Act),  cast  in person  at a  meeting called  for  the
specific  purpose of voting  on such approval.  The Management Contracts provide
that with respect to the Government  Income Fund, the Strategic Income Fund  and
the  Portfolio and the Administration Contract provides that with respect to the
High Income Fund either the Company, the Portfolio or the Manager may  terminate
the Contract without penalty upon sixty days' written notice to the other party.
The Management Contracts and the Administration Contract terminate automatically
in the event of their assignment (as defined in the 1940 Act).
 
In  each  of  the  last  three fiscal  years  the  Government  Income  Fund paid
investment management and administration  fees to the  Manager in the  following
amounts:
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 2,403,043
1996.......................................................................................................     3,672,503
1995.......................................................................................................     4,946,971
</TABLE>
 
                  Statement of Additional Information Page 28
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
In each of the last three fiscal years the Strategic Income Fund paid investment
management and administration fees to the Manager in the following amounts:
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 3,474,804
1996.......................................................................................................     3,807,689
1995.......................................................................................................     4,293,053
</TABLE>
 
In  each  of  the  last  three fiscal  years,  the  High  Income  Portfolio paid
investment management and administration  fees to the  Manager in the  following
amounts:
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 2,971,167
1996.......................................................................................................     3,014,924
1995.......................................................................................................     2,411,786
</TABLE>
 
In  each of the  last three fiscal  years, the High  Income Fund paid investment
management and administration fees to the Manager in the following amounts:
 
<TABLE>
<CAPTION>
                                            YEAR ENDED OCT. 31,                                               AMOUNT PAID
- -----------------------------------------------------------------------------------------------------------  -------------
<S>                                                                                                          <C>
1997.......................................................................................................   $ 1,136,471
1996.......................................................................................................     1,015,220
1995.......................................................................................................       860,884
</TABLE>
 
DISTRIBUTION SERVICES
Each Fund's Advisor Class  shares are offered  continuously through each  Fund's
principal  underwriter  and distributor,  GT Global  on  a "best  efforts" basis
without a sales charge or a contingent deferred sales charge.
 
TRANSFER AGENCY AND ACCOUNTING AGENCY SERVICES
The Transfer  Agent  has been  retained  by  the Funds  to  perform  shareholder
servicing,  reporting and general  transfer agent functions  for them. For these
services, the Transfer Agent  receives an annual maintenance  fee of $17.50  per
account,  a new account fee of $4.00 per account, a per transaction fee of $1.75
for all transactions other than exchanges and  a per exchange fee of $2.25.  The
Transfer  Agent also is  reimbursed by each Fund  for its out-of-pocket expenses
for such  items as  postage,  forms, telephone  charges, stationery  and  office
supplies.  The Manager serves  as each Fund's pricing  and accounting agent. For
the fiscal years ended October 31, 1997, October 31, 1996 and October 31,  1995,
the Fund paid accounting services fees to the Manager of Government Income Fund,
Strategic  Income Fund, and High Income Fund were $85,149, $127,205 and $40,218;
$123,309,  $131,517   and  $34,980;   and   $116,607,  $101,697   and   $22,563,
respectively.
 
EXPENSES OF THE FUNDS AND THE PORTFOLIO
Each  Fund and the  Portfolio pays all  expenses not assumed  by the Manager, GT
Global and other agents.  These expenses include, in  addition to the  advisory,
distribution,  transfer agency, pricing and  accounting agent and brokerage fees
discussed above,  legal and  audit expenses,  custodian fees,  directors'  fees,
organizational   fees,  fidelity  bond  and  other  insurance  premiums,  taxes,
extraordinary expenses  and the  expenses of  reports and  prospectuses sent  to
existing  investors.  The allocation  of general  Company expenses  and expenses
shared by the  Funds and  other funds  organized as  series of  the Company  are
allocated  on  a basis  deemed fair  and equitable,  which may  be based  on the
relative net assets of  the Funds or  the nature of  the services performed  and
relative  applicability to each Fund.  Expenditures, including costs incurred in
connection with  the  purchase  or  sale  of  portfolio  securities,  which  are
capitalized   in  accordance  with   generally  accepted  accounting  principles
applicable to investment companies, are accounted  for as capital items and  not
as  expenses.  The ratio  of each  Fund's  and the  Portfolio's expenses  to its
relative net assets  can be expected  to be  higher than the  expense ratios  of
funds investing solely in domestic securities, since the cost of maintaining the
custody of foreign securities and the rate of investment management fees paid by
each Fund and the Portfolio generally are higher than the comparable expenses of
such other funds.
 
                  Statement of Additional Information Page 29
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                            VALUATION OF FUND SHARES
 
- --------------------------------------------------------------------------------
 
As  described in the Prospectus, each Fund's  net asset value per share for each
class of shares is determined  at the close of regular  trading on the New  York
Stock  Exchange  ("NYSE") (currently,  4:00 P.M.  Eastern time,  unless weather,
equipment failure or  other factors  contribute to an  earlier closing  business
time) on each business day the NYSE is open for business. Currently, the NYSE is
closed  on weekends and on certain days  relating to the following holidays: New
Year's Day, Presidents'  Day, Good Friday,  Memorial Day, July  4th, Labor  Day,
Thanksgiving Day and Christmas Day.
 
Each Fund's and the Portfolio's portfolio securities and other assets are valued
as follows:
 
Equity  securities, including  ADRs, ADSs  and EDRs,  which are  traded on stock
exchanges are valued at the last sale price on the exchange or in the  principal
over-the-counter  market in which such securities are traded, as of the close of
business on the day the  securities are being valued  or, lacking any sales,  at
the  last available bid price. In cases where securities are traded on more than
one exchange,  the securities  are  valued on  the  exchange determined  by  the
Manager to be the primary market.
 
Long-term  debt obligations are valued at  the mean of representative quoted bid
or asked prices for  such securities or,  if such prices  are not available,  at
prices  for securities of  comparable maturity, quality  and type; however, when
the Manager deems it appropriate, prices obtained for the day of valuation  from
a  bond pricing service will be  used. Short-term debt investments are amortized
to maturity  based on  their cost,  adjusted for  foreign exchange  translation,
provided such valuations represent fair value.
 
Options  on  indices,  securities and  currencies  purchased  by a  Fund  or the
Portfolio are valued at their last bid  price in the case of listed options  or,
in  the case of OTC options at the  average of the last bid prices obtained from
dealers, unless a  quotation from only  one dealer is  available, in which  case
only  that dealer's price will  be used. When market  quotations for futures and
options on futures held by a Fund or the Portfolio are readily available,  those
positions will be valued based upon such quotations.
 
Securities  and  other  assets  for  which  market  quotations  are  not readily
available (including restricted securities which  are subject to limitations  as
to  their sale) are valued at fair value as determined in good faith by or under
the direction  of the  Company's Board  of Directors.  The valuation  procedures
applied  in any specific instance are likely to vary from case to case. However,
consideration is generally  given to the  financial position of  the issuer  and
other  fundamental analytical data relating to  the investment and to the nature
of the restrictions on disposition of the securities (including any registration
expenses that might be borne by  the Fund in connection with such  disposition).
In addition, specific factors also are generally considered, such as the cost of
the  investment, the  market value  of any  unrestricted securities  of the same
class (both at the time of purchase and  at the time of valuation), the size  of
the  holding, the prices  of any recent  transactions or offers  with respect to
such securities and any available analysts' reports regarding the issuer.
 
The fair value  of any  other assets  is added to  the value  of all  securities
positions  to arrive at the  value of a Fund's  or the Portfolio's total assets.
The Fund's or the Portfolio's liabilities, including accruals for expenses,  are
deducted  from  its  total assets.  Once  the total  value  of a  Fund's  or the
Portfolio's net assets is so determined, that value is then divided by the total
number of  shares  outstanding  (excluding treasury  shares),  and  the  result,
rounded to the nearest cent, is the net asset value per share.
 
Any  assets or liabilities initially denominated  in terms of foreign currencies
are translated into U.S. dollars at the official exchange rate or at the mean of
the current bid and asked prices of such currencies against the U.S. dollar last
quoted by a major  bank that is  a regular participant  in the foreign  exchange
market  or on the basis of a pricing  service that takes into account the quotes
provided by a  number of such  major banks.  If none of  these alternatives  are
available  or none are deemed to provide a suitable methodology for converting a
foreign currency into U.S. dollars, the Board of Directors, in good faith,  will
establish a conversion rate for such currency.
 
European, Far Eastern or Latin American securities trading may not take place on
all  days on which  the NYSE is  open. Further, trading  takes place in Japanese
markets on certain Saturdays and in various foreign markets on days on which the
NYSE is not  open. Consequently, the  calculation of the  Funds' respective  net
asset values therefore may not take place
 
                  Statement of Additional Information Page 30
<PAGE>
                             GT GLOBAL INCOME FUNDS
contemporaneously with the determination of the prices of securities held by the
Funds.  Events affecting the  values of portfolio  securities that occur between
the time their prices  are determined and  the close of  regular trading on  the
NYSE  will not be reflected  in the Funds' net  asset values unless the Manager,
under the supervision of the Company's  Board of Directors, determines that  the
particular  event would materially affect net asset value. As a result, a Fund's
net asset value may  be significantly affected  by such trading  on days when  a
shareholder cannot purchase or redeem shares of the Fund.
 
- --------------------------------------------------------------------------------
 
                       INFORMATION RELATING TO SALES AND
                                  REDEMPTIONS
 
- --------------------------------------------------------------------------------
 
PAYMENT AND TERMS OF OFFERING
Payment  for  Advisor Class  shares  of a  fund  purchased should  accompany the
purchase order, or funds should be wired  to the Transfer Agent as described  in
the  Prospectus. Payment for Fund  shares, other than by  wire transfer, must be
made by check or money order drawn on  a U.S. bank. Checks or money orders  must
be payable in U.S. dollars.
 
As a condition of this offering, if an order to purchase Advisor Class shares is
cancelled  due to nonpayment  (for example, on  account of a  check returned for
"not sufficient funds"), the person who  made the order will be responsible  for
any  loss  incurred  by a  Fund  by reason  of  such cancellation,  and  if such
purchaser is a shareholder, the  Fund shall have the  authority as agent of  the
shareholder  to redeem shares  in his or  her account at  their then-current net
asset value per share  to reimburse that Fund  for the loss incurred.  Investors
whose  purchase orders have  been cancelled due to  nonpayment may be prohibited
from placing future orders.
 
Each Fund  reserves the  right at  any time  to waive  or increase  the  minimum
requirements applicable to initial or subsequent investments with respect to any
person or class of persons. An order to purchase shares is not binding on a Fund
until  it  has  been  confirmed  in writing  by  the  Transfer  Agent  (or other
arrangements made with the Fund, in  the case of orders utilizing wire  transfer
of funds, as described above) and payment has been received. To protect existing
shareholders, each Fund reserves the right to reject any offer for a purchase of
shares by any individual.
 
SALES OUTSIDE THE UNITED STATES
Sales  of Fund shares made through brokers  outside the United States will be at
net asset value plus a sales commission,  if any, established by that broker  or
by local law.
 
INDIVIDUAL RETIREMENT ACCOUNTS ("IRAS") AND OTHER TAX-DEFERRED PLANS
 
IRAS: If you have earned income from employment (including self-employment), you
can  contribute each year to an IRA up  to the lesser of (1) $2,000 for yourself
or $4,000  for  you  and your  spouse,  regardless  of whether  your  spouse  is
employed,  or (2) 100% of compensation. Some  individuals may be able to take an
income tax deduction for the contribution. Regular contributions may not be made
for the year  you become 70  1/2 or  thereafter. Unless your  and your  spouse's
earnings  exceed  a certain  level, you  also may  establish an  "education IRA"
and/or a  "Roth IRA."  Although contributions  to these  new types  of IRAs  are
nondeductible,   withdrawals   from  them   will   be  tax-free   under  certain
circumstances. Please  consult  your  tax  adviser  for  more  information.  IRA
applications are available from brokers or GT Global.
 
ROLLOVER  IRAS: Individuals who receive  distributions from qualified retirement
plans (other than  required distributions) and  who wish to  keep their  savings
growing  tax-deferred  can  roll  over  (or make  a  direct  transfer  of) their
distribution to a  Rollover IRA. These  accounts can also  receive rollovers  or
transfers  from an existing  IRA. If an "eligible  rollover distribution" from a
qualified employer-sponsored retirement plan is  not directly rolled over to  an
IRA  (or  certain qualified  plans),  withholding at  the  rate of  20%  will be
required for federal income tax purposes.  A distribution from a qualified  plan
that  is not an "eligible rollover  distribution," including a distribution that
is one of series of substantially equal periodic payments, generally is  subject
to  regular wage withholding or withholding at the rate of 10% (depending on the
type and  amount  of  the  distribution),  unless you  elect  not  to  have  any
withholding apply. Please consult your tax adviser for more information.
 
                  Statement of Additional Information Page 31
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
SEP-IRAS:  Simplified  employee  pension plans  ("SEPs"  or  "SEP-IRAs") provide
self-employed individuals (and any eligible employees) with benefits similar  to
Keogh  plans (I.E., self-employed  individual retirement plans)  or Code Section
401(k)  plans,  but  with   fewer  administrative  requirements  and   therefore
potentially lower annual administration expenses.
 
CODE  SECTION 403(B)(7) CUSTODIAL ACCOUNTS: Employees of public schools and most
other tax-exempt organizations can  make pre-tax salary reduction  contributions
to these accounts.
 
PROFIT-SHARING   (INCLUDING   SECTION   401(K))  AND   MONEY   PURCHASE  PENSION
PLANS: Corporations  and other  employers can  sponsor these  qualified  defined
contribution  plans  for  their employees.  A  Section  401(k) plan,  a  type of
profit-sharing plan, additionally permits the eligible, participating  employees
to  make  pre-tax salary  reduction  contributions to  the  plan (up  to certain
limits).
 
SIMPLE PLANS: Employers  with no more  than 100 employees  that do not  maintain
another  retirement  plan  may  establish a  Savings  Incentive  Match  Plan for
Employees ("SIMPLE") either  as separate  IRAs or as  part of  a Section  401(k)
plan.  SIMPLEs are not  subject to the  complicated nondiscrimination rules that
generally apply to qualified retirement plans.
 
EXCHANGES BETWEEN FUNDS
   
Shares of each Fund may  be exchanged for shares  of the corresponding class  of
other GT Global Mutual Funds, based on their respective net asset values without
imposition  of  any  sales  charges,  provided  that  the  registration  remains
identical. The exchange privilege is not  an option or right to purchase  shares
but  is permitted under the current policies  of the respective GT Global Mutual
Funds. The privilege may be discontinued or changed at any time by any of  those
funds  upon sixty  days' prior  notice to  the shareholders  of the  fund and is
available only  in  states  where  the exchange  may  be  made  legally.  Before
purchasing  shares through the exercise of the exchange privilege, a shareholder
should obtain and read a copy of the prospectus of the fund to be purchased  and
should consider its investment objective(s).
    
 
TELEPHONE REDEMPTIONS
   
A  corporation or partnership  wishing to utilize  telephone redemption services
must submit a "Corporate Resolution" or "Certificate of Partnership"  indicating
the names, titles and the required number of signatures of persons authorized to
act  on  its  behalf.  The  certificate must  be  signed  by  a  duly authorized
officer(s) and, in the  case of a corporation,  the corporate seal affixed.  All
shareholders  may request that  redemption proceeds be  transmitted by bank wire
directly to  the  shareholder's predesignated  account  at a  domestic  bank  or
savings institution, if the proceeds are at least $500. Costs in connection with
the  administration of this service, including wire charges, currently are borne
by the  appropriate Fund.  Proceeds of  less than  $500 will  be mailed  to  the
shareholder's  registered address  of record. The  Funds and  the Transfer Agent
reserve the right to refuse any  telephone instructions and may discontinue  the
aforementioned redemption options upon fifteen days' written notice.
    
 
SUSPENSION OF REDEMPTION PRIVILEGES
   
The  Funds may suspend redemption privileges or postpone the date of payment for
more than seven days after a redemption order is received during any period  (1)
when  the NYSE is closed  other than customary weekend  and holiday closings, or
trading on the NYSE is restricted as directed by the SEC, (2) when an  emergency
exists, as defined by the SEC, which makes it not reasonably practicable for the
Funds to dispose of securities owned by them or fairly to determine the value of
their assets, or (3) as the SEC may otherwise permit.
    
 
REDEMPTIONS IN KIND
   
It  is possible  that conditions  may arise  in the  future which  would, in the
opinion of the Company's Board of Directors,  make it undesirable for a Fund  to
pay  for all redemptions in cash. In such cases, the Board may authorize payment
to be  made in  portfolio securities  or  other property  of a  Fund,  so-called
"redemptions  in kind." Payment of  redemptions in kind will  be made in readily
marketable securities.  Such  securities  would  be valued  at  the  same  value
assigned  to  them in  computing  the net  asset  value per  share. Shareholders
receiving such  securities  would incur  brokerage  costs in  selling  any  such
securities  so received. However,  despite the foregoing,  the Company has filed
with the SEC an election pursuant to  Rule 18f-1 under the 1940 Act. This  means
that  each  Fund  will pay  in  cash all  requests  for redemption  made  by any
shareholder of record, limited in amount with respect to each shareholder during
any ninety-day period to the lesser of $250,000 or 1% of the net asset value  of
a  Fund at the beginning of such period. This election is irrevocable so long as
Rule 18f-1 remains in effect, unless  the SEC by order upon application  permits
the withdrawal of such election.
    
 
                  Statement of Additional Information Page 32
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     TAXES
 
- --------------------------------------------------------------------------------
 
TAXATION OF THE FUNDS
Each  Fund is treated as a separate corporation for federal income tax purposes.
To continue to qualify for treatment  as a regulated investment company  ("RIC")
under  the Code, each Fund must distribute  to its shareholders for each taxable
year at least 90% of its investment company taxable income (consisting generally
of net investment income, net short-term capital gain and net gains from certain
foreign  currency  transactions)  ("Distribution  Requirement")  and  must  meet
several  additional requirements. With respect  to each Fund, these requirements
include the following: (1) the Fund must derive at least 90% of its gross income
each taxable year from dividends, interest, payments with respect to  securities
loans  and gains  from the  sale or other  disposition of  securities or foreign
currencies, or other income  (including gains from  options, Futures or  Forward
Contracts)  derived with respect  to its business of  investing in securities or
those currencies ("Income Requirement").;  (2) at the close  of each quarter  of
the  Fund's taxable year, at least 50% of  the value of its total assets must be
represented by cash and  cash items, U.S.  government securities, securities  of
other RICs and other securities, with these other securities limited, in respect
of  any one issuer,  to an amount  that does not  exceed 5% of  the value of the
Fund's total assets and that  does not represent more  than 10% of the  issuer's
outstanding  voting securities;  and (3)  at the  close of  each quarter  of the
Fund's taxable year, not more than 25% of  the value of its total assets may  be
invested  in securities (other than U.S. government securities or the securities
of other RICs) of any  one issuer. The High Income  Fund, as an investor in  the
Portfolio, is deemed to own a proportionate share of the Portfolio's assets, and
to  earn  a  proportionate share  of  the  Portfolio's income,  for  purposes of
determining whether  that Fund  satisfies the  requirements described  above  to
qualify as a RIC.
 
Each Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to the
extent  it fails to distribute by the end of any calendar year substantially all
of its  ordinary income  for  that year  and capital  gain  net income  for  the
one-year period ending on October 31 of that year, plus certain other amounts.
 
See  "Taxation of Certain  Investment Activities" below for  a discussion of the
tax consequences to the High Income Fund of hedging transactions engaged in, and
investments in passive foreign investment companies ("PFICS") and other  foreign
securities by, the Portfolio.
 
TAXATION OF THE PORTFOLIO -- GENERAL
The Portfolio is treated as a partnership for federal income tax purposes and is
not  a "publicly traded partnership." As a  result, the Portfolio is not subject
to federal income  tax; instead, the  High Income  Fund, as an  investor in  the
Portfolio,  is required to  take into account in  determining its federal income
tax liability its share of the Portfolio's income, gains, losses, deductions and
credits, without regard to whether it  has received any cash distributions  from
the Portfolio. The Portfolio also is not subject to New York income or franchise
tax.
 
Because,  as  noted  above,  the  High  Income Fund  will  be  deemed  to  own a
proportionate share of the Portfolio's assets, and to earn a proportionate share
of the  Portfolio's  income,  for  purposes of  determining  whether  that  Fund
satisfies the requirements to qualify as a RIC, the Portfolio intends to conduct
its  operations so that the High Income Fund will be able to continue to satisfy
all those requirements.
 
Distributions to the High Income Fund from the Portfolio (whether pursuant to  a
partial  or complete  withdrawal or  otherwise) will  not result  in that Fund's
recognition of any gain or loss for federal income tax purposes, except that (1)
gain will be recognized to the extent any cash that is distributed exceeds  that
Fund's  basis for  its interest  in the  Portfolio before  the distribution, (2)
income or gain will be recognized if the distribution is in liquidation of  that
Fund's entire interest in the Portfolio and includes a disproportionate share of
any  unrealized  receivables  held  by  the  Portfolio,  and  (3)  loss  will be
recognized  if  a  liquidation  distribution  consists  solely  of  cash  and/or
unrealized  receivables. The  High Income Fund's  basis for its  interest in the
Portfolio generally will equal the amount of cash and the basis of any  property
that  Fund  invests in  the Portfolio,  increased  by that  Fund's share  of the
Portfolio's net income and gains and decreased by (1) the amount of cash and the
basis of any property the Portfolio distributes to that Fund and (2) that Fund's
share of the Portfolio's losses.
 
TAXATION OF CERTAIN INVESTMENT ACTIVITIES
For purposes of the following  discussion, "Investor Fund" means the  Government
Income Fund, the Strategic Income Fund or the Portfolio.
 
                  Statement of Additional Information Page 33
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
    FOREIGN TAXES Dividends and interest received by an Investor Fund, and gains
realized  thereby, may be subject to income, withholding, or other taxes imposed
by foreign countries and  U.S. possessions ("foreign  taxes") that would  reduce
the yield and/or total return on its securities. Tax conventions between certain
countries  and the United States may reduce or eliminate foreign taxes, however,
and many foreign countries do  not impose taxes on  capital gains in respect  of
investments  by foreign  investors. If more  than 50%  of the value  of a Fund's
total assets (taking  into account, in  the case  of the High  Income Fund,  its
proportionate  share of the Portfolio's assets) at the close of its taxable year
consists of securities of  foreign corporations, the Fund  will be eligible  to,
and may, file an election with the Internal Revenue Service that will enable its
shareholders,  in effect, to receive the benefit  of the foreign tax credit with
respect to any foreign taxes paid by it (taking into account, in the case of the
High Income  Fund, its  proportionate share  of any  foreign taxes  paid by  the
Portfolio)  (a "Fund's foreign  taxes"). Pursuant to the  election, a Fund would
treat those taxes  as dividends paid  to its shareholders  and each  shareholder
would  be required to (1) include in gross income, and treat as paid by him, his
proportionate share of the  Fund's foreign taxes, (2)  treat his share of  those
taxes  and of  any dividend  paid by  the Fund  that represents  its income from
foreign and U.S. possessions sources (taking  into account, in the case of  High
Income  Fund,  its  proportionate share  of  the Portfolio's  income  from those
sources) as his own income  from those sources and  (3) either deduct the  taxes
deemed  paid by him in  computing his taxable income  or, alternatively, use the
foregoing information in calculating the foreign tax credit against his  federal
income tax. Each Fund will report to its shareholders shortly after each taxable
year their respective shares of the Fund's foreign taxes and income (taking into
account,  in the case  of the High  Income Fund, its  proportionate share of the
Portfolio's income) from sources within  foreign countries and U.S.  possessions
if  it makes this  election. Pursuant to  the Taxpayer Relief  Act of 1997 ("Tax
Act"), individuals who have no more  than $300 ($600 for married persons  filing
jointly)  of creditable  foreign taxes  included on Form  1099 and  all of whose
foreign source income is  "qualified passive income" may  elect each year to  be
exempt  from the extremely complicated foreign tax credit limitation and will be
able to claim a foreign tax credit without having to file the detailed Form 1116
that otherwise is required.
    
 
    PASSIVE FOREIGN INVESTMENT COMPANIES  Each Investor Fund  may invest in  the
stock  of PFICs.  A PFIC is  a foreign  corporation -- other  than a "controlled
foreign corporation" (I.E., a  foreign corporation in which,  on any day  during
its  taxable year, more than  50% of the total voting  power of all voting stock
therein or the total value of  all stock therein is owned, directly,  indirectly
or  constructively, by  "U.S. shareholders," defined  as U.S.  persons that own,
directly, indirectly or constructively, at least 10% of that voting power) as to
which the Investor Fund is a U.S. shareholder (effective for their taxable  year
beginning  November 1, 1998) -- that, in  general, meets either of the following
tests: (1) at least 75% of its gross  income is passive or (2) an average of  at
least  50% of  its assets produce,  or are  held for the  production of, passive
income. Under certain circumstances,  a Fund will be  subject to federal  income
tax  on a part (or, in the case of the High Income Fund, its proportionate share
of a part) of any "excess distribution" received  by it (or, in the case of  the
High  Income Fund, by the Portfolio) on the stock  of a PFIC or of any gain from
its (or, in the case of the High Income Fund, by the Portfolio's) disposition of
the stock (collectively "PFIC income"), plus interest thereon, even if the  Fund
distributes  the  PFIC income  as a  taxable dividend  to its  shareholders. The
balance of the  PFIC income will  be included in  the Fund's investment  company
taxable  income and, accordingly, will not be  taxable to the Fund to the extent
it distributes that income to its shareholders.
 
If an  Investor Fund  invests  in a  PFIC and  elects  to treat  the PFIC  as  a
"qualified  electing  fund"  ("QEF"), then  in  lieu  of the  foregoing  tax and
interest obligation, the Investor  Fund (or, in the  case of the Portfolio,  the
High  Income Fund) would be required to  include in income each taxable year its
pro rata  share (taking  into account,  in the  case of  High Income  Fund,  its
proportionate  share of  the Portfolio's pro  rata share) of  the QEF's ordinary
earnings and net  capital gain (I.E.  the excess of  net long-term capital  gain
over  net  short-term  capital loss)  --  which  most likely  would  have  to be
distributed by the Investor  Fund (or, in  the case of  the Portfolio, the  High
Income Fund) to satisfy the Distribution Requirement and avoid imposition of the
Excise Tax -- even if those earnings and gain were not received thereby from the
QEF.  In most instances  it will be  very difficult, if  not impossible, to make
this election because of certain requirements thereof.
 
Effective for taxable years beginning after 1997, a holder of stock in any  PFIC
may elect to include in ordinary income each taxable year the excess, if any, of
the fair market value of the stock over the adjusted basis therein as of the end
of  that  year. Pursuant  to  the election,  a  deduction (as  an  ordinary, not
capital, loss) also  will be allowed  for the  excess, if any,  of the  holder's
adjusted  basis  in PFIC  stock over  the fair  market value  thereof as  of the
taxable year-end, but only  to the extent of  any net mark-to-market gains  with
respect  to that stock included in income  for prior taxable years. The adjusted
basis in each PFIC's stock subject to  the election will be adjusted to  reflect
the  amounts  of income  included and  deductions taken  thereunder. Regulations
proposed in 1992 would provide a similar  election with respect to the stock  of
certain PFICs.
 
    OPTIONS,  FUTURES AND FOREIGN CURRENCY  TRANSACTIONS The Investor Fund's use
of hedging transactions, such  as selling (writing)  and purchasing options  and
Futures  Contracts and entering  into Forward Contracts,  involves complex rules
that will determine, for federal income tax purposes, the amount, character  and
timing of recognition of the gains and losses
 
                  Statement of Additional Information Page 34
<PAGE>
                             GT GLOBAL INCOME FUNDS
an Investor Fund realizes in connection therewith. Gains from the disposition of
foreign  currencies  (except  certain  gains  that  may  be  excluded  by future
regulations), and gains from options,  Futures and Forward Contracts derived  by
an  Investor Fund  with respect  to its business  of investing  in securities or
foreign  currencies,  will  qualify  as  permissible  income  under  the  Income
Requirement  for that Investor Fund (or, in  the case of the Portfolio, the High
Income Fund).
 
Futures and  Forward Contracts  that are  subject to  section 1256  of the  Code
(other  than  those  that  are  part  of  a  "mixed  straddle")  ("Section  1256
Contracts") and that are held by an Investor Fund at the end of its taxable year
generally will be deemed to  have been sold at  market value for federal  income
tax  purposes. Sixty percent of any net  gain or loss recognized on these deemed
sales, and 60% of any net gain or loss realized from any actual sales of Section
1256 Contracts,  will be  treated as  long-term capital  gain or  loss, and  the
balance  will be treated as  short-term capital gain or loss.  As of the date of
preparation of  this Statement  of Additional  Information, it  is not  entirely
clear whether that 60% portion will qualify for the reduced maximum tax rates on
net  capital gain enacted  by the Tax Act  -- 20% (10% for  taxpayers in the 15%
marginal tax bracket) for gain recognized  on capital assets held for more  than
18  months -- instead of  the 28% rate in  effect before that legislation, which
now applies to gain recognized on capital assets held for more than one year but
not more than 18  months, although technical  corrections legislation passed  by
the House of Representatives late in 1997 would treat it as qualifying therefor.
 
Section  988 of the Code also may apply to gains and losses from transactions in
foreign currencies,  foreign-currency-denominated debt  securities and  options,
Futures  and Forward  Contracts on foreign  currencies ("Section  988" gains and
losses). Section 988 gain or loss  generally is computed separately and  treated
as  ordinary income or  loss. In the  case of overlap  between sections 1256 and
988, special provisions determine the character  and timing of any income,  gain
or  loss. Each  Investor Fund  attempts to  monitor section  988 transactions to
minimize any adverse tax impact.
 
If a Fund  has an  "appreciated financial  position" --  generally, an  interest
(including  an interest through an option,  Futures or Forward Contract or short
sale) with respect to any stock, debt instrument (other than "straight debt") or
partnership interest the fair market value  of which exceeds its adjusted  basis
- --  and enters into a  "constructive sale" of the  same or substantially similar
property, the Fund will be treated as  having made an actual sale thereof,  with
the  result  that gain  will be  recognized  at that  time. A  constructive sale
generally consists of a short sale, an offsetting notional principal contract or
Futures or Forward Contract entered  into by the Fund  or a related person  with
respect  to  the same  or substantially  similar property.  In addition,  if the
appreciated financial  position is  itself  a short  sale  or such  a  contract,
acquisition of the underlying property or substantially similar property will be
deemed a constructive sale.
 
The  Strategic Income  Fund and  the Portfolio each  may acquire  zero coupon or
other securities issued  with original issue  discount ("OID"). As  a holder  of
those  securities, that Fund and the Portfolio (and, through it, the High Income
Fund) each must include in its income the portion of the OID that accrues on the
securities during the taxable year, even if no corresponding payment on them  is
received during the year. Similarly, the Strategic Income Fund and the Portfolio
each  must include in its  gross income securities it  receives as "interest" on
payment-in-kind  securities.  Because   each  Fund   annually  must   distribute
substantially  all of its  investment company taxable  income, including any OID
and other non-cash  income, to  satisfy the Distribution  Requirement and  avoid
imposition  of the Excise  Tax, either of  them may be  required in a particular
year to distribute as a dividend an amount that is greater than the total amount
of cash it actually receives (or, in the case of the High Income Fund, its share
of  the  total  amount   of  cash  the   Portfolio  actually  receives).   Those
distributions  will be made from the Fund's (or,  in the case of the High Income
Fund, its, or its share of the  Portfolio's) cash assets or, if necessary,  from
the  proceeds of sales of portfolio securities.  A Fund may (directly or through
the Portfolio) realize  capital gains or  losses from those  sales, which  would
increase  or decrease its  investment company taxable  income and/or net capital
gain.
 
TAXATION OF THE FUNDS' SHAREHOLDERS
Dividends and  other  distributions  declared  by a  Fund  in,  and  payable  to
shareholders  of record as  of a date  in, October, November  or December of any
year will  be  deemed  to have  been  paid  by  the Fund  and  received  by  the
shareholders  on December 31 of  that year if the  distributions are paid by the
Fund during  the following  January. Accordingly,  those distributions  will  be
taxed to shareholders for the year in which that December 31 falls.
 
A  portion  of the  dividends from  a Fund's  investment company  taxable income
(whether paid in cash  or reinvested in additional  shares) may be eligible  for
the  dividends-received deduction allowed to  corporations. The eligible portion
may not exceed the aggregate dividends  received by a Fund (directly or  through
the  Portfolio)  from  U.S.  corporations.  However,  dividends  received  by  a
corporate shareholder  and deducted  by it  pursuant to  the  dividends-received
deduction are subject indirectly to the alternative minimum tax.
 
If  Fund shares are sold at a loss after  being held for six months or less, the
loss will be treated  as long-term, instead of  short-term, capital loss to  the
extent  of any  capital gain distributions  received on  those shares. Investors
also should be
 
                  Statement of Additional Information Page 35
<PAGE>
                             GT GLOBAL INCOME FUNDS
aware that  if shares  are purchased  shortly  before the  record date  for  any
dividend  or other  distribution, the  shareholder will  pay full  price for the
shares and receive some portion of the price back as a taxable distribution.
 
Dividends paid by a  Fund to a shareholder  who, as to the  United States, is  a
nonresident  alien individual, nonresident alien fiduciary of a trust or estate,
foreign corporation, or  foreign partnership  ("foreign shareholder")  generally
will be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding  will not apply, however, to a dividend  paid by a Fund to a foreign
shareholder that is "effectively connected with  the conduct of a U.S. trade  or
business,"  in which case the  reporting and withholding requirements applicable
to domestic taxpayers will apply. A distribution  of net capital gain by a  Fund
to  a foreign shareholder generally  will be subject to  U.S. federal income tax
(at the  rates applicable  to  domestic persons)  only  if the  distribution  is
"effectively  connected" or  the foreign  shareholder is  treated as  a resident
alien individual for federal income tax purposes.
 
The foregoing  is a  general  and abbreviated  summary  of certain  federal  tax
considerations  affecting  the  Fund's, their  shareholders  and  the Portfolio.
Investors are  urged  to  consult  their own  tax  advisers  for  more  detailed
information  and for  information regarding any  foreign, state  and local taxes
applicable to distributions received from the Fund.
 
- --------------------------------------------------------------------------------
 
                             ADDITIONAL INFORMATION
 
- --------------------------------------------------------------------------------
 
LIECHTENSTEIN GLOBAL TRUST
Liechtenstein Global  Trust AG  is composed  of the  Manager and  its  worldwide
affiliates. Other worldwide affiliates of Liechtenstein Global Trust include LGT
Bank  in Liechtenstein, an international  financial services institution founded
in  1920.  LGT   Bank  in   Liechtenstein  has  principal   offices  in   Vaduz,
Liechtenstein.  Its  subsidiaries currently  include  LGT Bank  in Liechtenstein
(Deutschland) GmbH and LGT Asset Management AG in Zurich, Switzerland.
 
Worldwide  asset  management  affiliates   also  currently  include  LGT   Asset
Management  PLC in London, England; LGT Asset  Management Ltd. in Hong Kong; LGT
Asset Management Ltd. in Tokyo; LGT Asset Management Pte. Ltd. in Singapore; LGT
Asset Management Ltd. in Sydney; and LGT Asset Management GmbH in Frankfurt.
 
CUSTODIAN
State Street  Bank and  Trust  Company ("State  Street"), 225  Franklin  Street,
Boston,  MA 02110, acts as custodian of  each Fund's and the Portfolio's assets.
State Street is authorized to establish and has established separate accounts in
foreign currencies and to cause securities of the Funds and the Portfolio to  be
held  in separate accounts outside the United  States in the custody of non-U.S.
banks.
 
INDEPENDENT ACCOUNTANTS
The Funds' and  the Portfolio's  independent accountants are  Coopers &  Lybrand
L.L.P.,  One  Post Office  Square, Boston  MA 02109.  Coopers &  Lybrand L.L.P.,
conducts audits of each Fund's and the Portfolio's financial statements, assists
in the preparation of  the Funds' and the  Portfolio's federal and state  income
tax  returns and consults  with the Company,  the Funds and  the Portfolio as to
matters  of  accounting,  regulatory  filings,  and  federal  and  state  income
taxation.
 
The audited financial statements of the Funds and the Portfolio included in this
Statement  of Additional  Information have  been examined  by Coopers  & Lybrand
L.L.P., as stated in their opinion appearing herein and are included in reliance
upon such opinion given upon the authority of that firm as experts in accounting
and auditing.
 
USE OF NAME
The Manager has granted the  Funds and the Portfolio the  right to use the  "GT"
and  "GT Global" names and has reserved the right to withdraw its consent to the
use of such names by the Company, the Funds and/or the Portfolio at any time  or
to grant the use of such names to any other company.
 
                  Statement of Additional Information Page 36
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                               INVESTMENT RESULTS
 
- --------------------------------------------------------------------------------
 
STANDARDIZED RETURNS
Each Fund's "Standardized Returns," as referred to in the Prospectus (see "Other
Information  --  Performance  Information" in  the  Prospectus),  are calculated
separately for  Class A  and Advisor  Class  shares of  each Fund,  as  follows:
Standardized Return (average annual total return ("T")) is computed by using the
ending  redeeming value ("ERV")  of a hypothetical  initial investment of $1,000
("P") over  a  period of  years  ("n") according  to  the following  formula  as
required  by the SEC: P(1+T) to the (n)th power = ERV. The following assumptions
will be reflected in computations made in accordance with this formula: (1)  for
Class  A shares, deduction of the maximum  sales charge of 4.75% from the $1,000
initial investment; (2) reinvestment of dividends and other distributions at net
asset value  on the  reinvestment  date determined  by  the Company's  Board  of
Directors; and (3) a complete redemption at the end of any period illustrated.
 
The  Standardized  Returns for  the  Class A  and  Advisor Class  shares  of the
Strategic Income  Fund,  stated as  average  annualized total  returns  for  the
periods shown, were:
 
   
<TABLE>
<CAPTION>
                                          STRATEGIC      STRATEGIC
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
Fiscal year ended Oct. 31, 1997.........    4.21%          9.86%
October 31, 1992 through Oct. 31,
 1997...................................   10.14%           n/a
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a          15.13%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......    9.01%           n/a
</TABLE>
    
 
The  Standardized  Returns for  the  Class A  and  Advisor Class  shares  of the
Government Income  Fund, stated  as  average annualized  total returns  for  the
periods shown, were:
 
   
<TABLE>
<CAPTION>
                                          GOVERNMENT     GOVERNMENT
                                            INCOME         INCOME
                                             FUND           FUND
PERIOD                                    (CLASS A)    (ADVISOR CLASS)
- ----------------------------------------  ----------   ---------------
<S>                                       <C>          <C>
Fiscal year ended Oct. 31, 1997.........   (0.20)%          5.15%
Oct. 31, 1992 through Oct. 31, 1997.....    5.34%            n/a
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a            5.55%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......    6.52%            n/a
</TABLE>
    
 
The  Standardized Returns for the  Class A and Advisor  Class shares of the High
Income Fund, stated as average annualized  total returns for the periods  shown,
were:
 
   
<TABLE>
<CAPTION>
                                            HIGH           HIGH
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
Fiscal year ended Oct. 31, 1997.........    9.03%         14.72%
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a          24.63%
Oct. 22, 1992 (commencement of
 operations) through Oct. 31, 1997......   15.85%           n/a
</TABLE>
    
 
NON-STANDARDIZED RETURNS
In   addition  to   Standardized  Returns,  each   Fund  also   may  include  in
advertisements, sales  literature and  shareholder  reports other  total  return
performance   data  ("Non-Standardized  Return").   Non-Standardized  Return  is
calculated separately for Class A and Advisor Class shares of each Fund and  may
be  calculated according to several different formulas. Non-Standardized Returns
may be quoted  for the  same or different  time periods  for which  Standardized
Returns  are quoted. Non-Standardized Returns may  or may not take sales charges
into account; performance  data calculated  without taking the  effect of  sales
charges  into account  will be  higher than  data including  the effect  of such
charges. Advisor Class are not subject to sales charges.
 
Aggregate Non-Standardized Return ("T") is computed by using the ending value of
the account  ("VOA")  of  a  hypothetical initial  investment  of  $1,000  ("P")
according  to the following  formula: T =  (VOA/P)-1. Aggregate Non-Standardized
Return assumes reinvestment of dividends and other distributions.
 
                  Statement of Additional Information Page 37
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
The aggregate Non-Standardized Returns (not  taking sales charges into  account)
for the Class A and Advisor Class shares of the Strategic Income Fund, stated as
aggregate total returns for the periods shown, were:
 
   
<TABLE>
<CAPTION>
                                          STRATEGIC      STRATEGIC
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......      n/a         40.60%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......   140.06%          n/a
</TABLE>
    
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class A and Advisor Class  shares of the Government Income Fund,  stated
as aggregate total returns for the periods shown, were:
 
   
<TABLE>
<CAPTION>
                                          GOVERNMENT     GOVERNMENT
                                            INCOME         INCOME
                                             FUND           FUND
PERIOD                                    (CLASS A)    (ADVISOR CLASS)
- ----------------------------------------  ----------   ---------------
<S>                                       <C>          <C>
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......      n/a          13.96%
March 29, 1988 (commencement of
 operations) through Oct. 31, 1997......    92.49%           n/a
</TABLE>
    
 
The  aggregate Non-Standardized Returns (not  taking sales charges into account)
for the Class  A and Advisor  Class shares of  the High Income  Fund, stated  as
aggregate total returns for the periods shown, were:
 
   
<TABLE>
<CAPTION>
                                            HIGH           HIGH
                                           INCOME         INCOME
                                            FUND           FUND
PERIOD                                    (CLASS A)   (ADVISOR CLASS)
- ----------------------------------------  ---------   ---------------
<S>                                       <C>         <C>
May 31, 1995 (commencement of
 operations) through Oct. 31, 1997......     n/a          70.35%
Oct. 22, 1992 (commencement of
 operations) through Oct. 31, 1997......  119.88%           n/a
</TABLE>
    
 
YIELD
Each  Fund may also include its current yield ("Yield") in advertisements, sales
literature and shareholder  reports. Yield, which  is calculated separately  for
Class  A, Class B and Advisor Class shares of each Fund, is computed by dividing
the difference between dividends and  interest earned during a one-month  period
("a")  and expenses accrued for the period  (net of reimbursements) ("b") by the
product of the average daily number of shares outstanding during the period that
were entitled to  receive dividends  ("c") and  the maximum  offering price  per
share  on the last day of the period ("d") according to the following formula as
required by the SEC:
 
<TABLE>
<S>       <C>  <C>  <C>     <C> <C>
                   a-b
YIELD =   2     [( --  + 1  )   (6)-1]
                   cd
</TABLE>
 
The Yields of the Class A shares of the Strategic Income Fund, Government Income
Fund and High Income Fund for the  one-month period ended October 31, 1996  were
6.58%,  6.23% and 7.29%, respectively.  The Yields of the  Class B shares of the
Strategic Income  Fund, Government  Income Fund  and High  Income Fund  for  the
one-month   period  ended  October  31,  1996   were  6.23%,  5.87%  and  7.00%,
respectively. The Yields  of the Advisor  Class shares of  the Strategic  Income
Fund, Government Income Fund and High Income Fund for the one-month period ended
October 31, 1996 were 7.27%, 6.74% and 8.04%, respectively.
 
IMPORTANT POINTS TO NOTE ABOUT DATA RELATING TO WORLD EQUITY AND BOND MARKETS
Each  Fund  and  GT Global  may  from  time to  time,  in  advertisements, sales
literature and reports furnished to present or prospective shareholders, compare
the Funds with the following, among others:
 
        (1) The Consumer Price Index ("CPI"), which is a measure of the  average
    change  in prices over time  in a fixed market  basket of goods and services
    (e.g., food,  clothing, shelter,  fuels, transportation  fares, charges  for
    doctors' and dentists' services, prescription medicines, and other goods and
    services  that people  buy for day-to-day  living). There  is inflation risk
    which does not affect a security's value but its purchasing power, i.e., the
    risk of changing price levels in the economy that affects security prices or
    the price of goods and services.
 
        (2) Data and mutual fund rankings and comparisons published or  prepared
    by  Lipper  Analytical  Data  Services,  Inc.  ("Lipper"),  CDA/Wiesenberger
    Investment  Company   Services   ("CDA/Wiesenberger"),   Morningstar,   Inc.
    ("Morningstar"),  Micropal,  Inc. and/or  other  companies that  rank and/or
    compare mutual funds by overall performance, investment objectives,  assets,
    expense  levels, periods of existence and/or  other factors. In this regard,
    each Fund  may  be  compared to  its  "peer  group" as  defined  by  Lipper,
    CDA/Wiesenberger,  Morningstar  and/or  other  firms,  as  applicable  or to
    specific funds or  groups of  funds within or  outside of  such peer  group.
    Lipper  generally  ranks  funds  on  the  basis  of  total  return, assuming
    reinvestment of distributions, but does not take sales charges or redemption
    fees
 
                  Statement of Additional Information Page 38
<PAGE>
                             GT GLOBAL INCOME FUNDS
    into consideration, and is prepared  without regard to tax consequences.  In
    addition to the mutual fund rankings, the Fund's performance may be compared
    to  mutual fund  performance indices  prepared by  Lipper. Morningstar  is a
    mutual fund rating  service that  also rates mutual  funds on  the basis  of
    risk-adjusted  performance. Morningstar ratings are calculated from a fund's
    three, five  and  ten  year  average annual  returns  with  appropriate  fee
    adjustments and a risk factor that reflects fund performance relative to the
    three-month  U.S. Treasury bill monthly returns. Ten percent of the funds in
    an investment category receive five stars and 22.5% receive four stars.  The
    ratings are subject to change each month.
 
        (3)  Bear  Stearns Foreign  Bond  Index, which  provides  simple average
    returns for individual countries and gross national product ("GNP") weighted
    index, beginning in 1975.  The returns are broken  down by local market  and
    currency.
 
        (4)  Ibbotson  Associates  International Bond  Index,  which  provides a
    detailed breakdown of local market and currency returns since 1960.
 
   
        (5) Standard & Poor's 500 Composite Stock Price Index, which is a widely
    recognized index  composed of  the  capitalization-weighted average  of  the
    prices of 500 of the largest publicly traded stocks in the U.S.
    
 
        (6) Dow Jones Industrial Average.
 
        (7) CNBC/Financial News Composite Index.
 
        (8) Morgan Stanley Capital International World Indices, including, among
    others, the Morgan Stanley Capital International Europe, Australia, Far East
    Index  ("EAFE Index").  The EAFE  index is an  unmanaged index  of more than
    1,000 companies in Europe, Australia and the Far East.
 
   
        (9) Morgan Stanley  Capital International All  Country (AC) World  Index
    ("MSCI").  The  MSCI is  a broad,  unmanaged index  of global  stock prices,
    currently comprising 2,500 different issuers,  located in 47 countries,  and
    grouped in 38 separate industries.
    
 
       (10)  Salomon Brothers World  Government Bond Index  and Salomon Brothers
    World Government Bond Index-Non-U.S., each of  which is a widely used  index
    composed of world government bonds.
 
       (11)  The  World  Bank  Publication  of  Trends  in  Developing Countries
    ("TIDE") provides  brief  reports on  most  of the  World  Bank's  borrowing
    members.  The World  Development Report is  published annually  and looks at
    global  and  regional  economic  trends  and  their  implications  for   the
    developing economies.
 
       (12)  Salomon Brothers Global Telecommunications Index, which is composed
    of telecommunications companies in the developing and emerging countries.
 
       (13) Datastream  and Worldscope,  each of  which is  an on-line  database
    retrieval   service   for  information,   including   but  not   limited  to
    international financial and economic data.
 
       (14)  International  Financial  Statistics,  which  is  produced  by  the
    International Monetary Fund.
 
       (15)  Various publications and reports produced by the World Bank and its
    affiliates.
 
       (16) Various publications from the International Bank for  Reconstruction
    and Development.
 
   
       (17)  Various publications produced by  ratings agencies such as Moody's,
    S&P and Fitch.
    
 
   
       (18) Wilshire Associates, which is an on-line database for  international
    financial  and economic data including performance measures for a wide range
    of securities.
    
 
       (19) Bank Rate National Monitor Index, which is an average of the  quoted
    rates for 100 leading banks and thrifts in ten U.S. cities.
 
   
       (20)  International  Finance  Corporation ("IFC")  Emerging  Markets Data
    Base, which  provides  detailed statistics  on  bond and  stock  markets  in
    developing countries.
    
 
       (21)  Various publications from the Organization for Economic Cooperation
    and Development ("OECD").
 
       (22) Average of  savings accounts,  which is a  measure of  all kinds  of
    savings deposits, including longer-term certificates. Savings accounts offer
    a  guaranteed rate  of return on  principal, but no  opportunity for capital
    growth. During  a portion  of the  period, the  maximum rates  paid on  some
    savings deposits were fixed by law.
 
                  Statement of Additional Information Page 39
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
   
Indices,  economic and  financial data prepared  by the  research departments of
various  financial  organizations,  such  as  Salomon  Brothers,  Inc.,   Lehman
Brothers,  Merrill  Lynch,  Pierce,  Fenner &  Smith,  Inc.,  Financial Research
Corporation, J. P. Morgan, Morgan Stanley, Smith Barney Shearson, S.G.  Warburg,
Jardine  Flemming,  The Bank  for  International Settlements,  Asian Development
Bank, Bloomberg, L.P. and Ibbotson Associates may be used as well as information
reported by the  Federal Reserve  and the  respective Central  Banks of  various
nations.  In  addition,  GT Global  may  use performance  rankings,  ratings and
commentary reported periodically in  national financial publications,  including
Money  Magazine, Mutual Fund  Magazine, Smart Money,  Global Finance, EuroMoney,
Financial World, Forbes, Fortune, Business Week, Latin Finance, The Wall  Street
Journal,  Emerging  Markets  Weekly,  Kiplinger's  Guide  To  Personal  Finance,
Barron's, The  Financial Times,  USA Today,  The New  York Times  and  Investors
Business  Digest.  Each  Fund  may  compare its  performance  to  that  of other
compilations or indices of  comparable quality to those  listed above and  other
indices that may be developed and made available in the future.
    
 
Information   relating  to   foreign  market   performance,  capitalization  and
diversification is based on sources believed  to be reliable but may be  subject
to  revision and has not been independently  verified by the Funds or GT Global.
The authors  and  publishers  of such  material  are  not to  be  considered  as
"experts"  under the 1933 Act,  on account of the  inclusion of such information
herein.
 
A portion of the  performance figures for each  market includes the positive  or
negative effects of the currency exchange rates effective at December 31 of each
year  between the U.S. dollar and currency of the foreign market (e.g., Japanese
Yen, German Deutschemark  and Hong  Kong Dollar).  A foreign  currency that  has
strengthened  or weakened against the U.S.  dollar will positively or negatively
affect the reported returns, as the case may be.
 
GT Global believes that this information may be useful to investors  considering
whether  and to what extent to  diversify their investments through the purchase
of mutual funds investing in securities on a global basis. However, this data is
not a  representation  of  the past  performance  of  the Funds,  nor  is  it  a
prediction of such performance. The performance of the Fund will differ from the
historical  performance of relevant indices. The performance of indices does not
take expenses into account,  while the Fund incurs  expenses in its  operations,
which  will reduce performance. Each of these factors will cause the performance
of the Fund to differ from relevant indices.
 
   
From time  to  time,  each Fund  and  GT  Global  may refer  to  the  number  of
shareholders  in the  Funds or  the aggregate number  of shareholders  in all GT
Global Mutual Funds or the dollar amount of each Fund's assets under  management
in advertising materials.
    
 
GT  Global believes the GT Global Income  Funds can be an appropriate investment
for  long-term  investment  goals,  including  funding  retirement,  paying  for
education  or purchasing a house. GT  Global may provide information designed to
help individuals understand their investment goals and explore various financial
strategies. For example, GT Global may describe general principles of investing,
such as  asset allocation,  diversification and  risk tolerance.  The GT  Global
Income  Funds do not  represent a complete investment  program and the investors
should consider  the  Funds  as  appropriate for  a  portion  of  their  overall
investment  portfolio with regard to their  long-term investment goals. There is
no assurance that  any such information  will lead to  achieving these goals  or
guarantee future results.
 
From  time to time,  GT Global may refer  to or advertise the  names of U.S. and
non-U.S. companies and their products, although  there can be no assurance  that
any GT Global Mutual Fund may own the securities of these companies.
 
   
Ibbotson  Associates  of  Chicago,  Illinois  ("Ibbotson")  provides  historical
returns of the capital  markets in the United  States, including common  stocks,
small   capitalization  stocks,  long-term  corporate  bonds,  intermediate-term
government bonds, long-term government bonds,  Treasury bills, the U.S. rate  of
inflation  (based on the CPI), and  combinations of various capital markets. The
performance of  these capital  markets  is based  on  the returns  of  different
indices.
    
 
GT  Global Funds may  use the performance  of these capital  markets in order to
demonstrate  general   risk-versus-reward  investment   scenarios.   Performance
comparisons  may also include the  value of a hypothetical  investment in any of
these capital  markets. The  risks associated  with the  security types  in  any
capital  market  may or  may  not correspond  directly  to those  of  the Funds.
Ibbotson calculates total returns in the same method as the Funds.
 
   
Each Fund may quote  various measures of  volatility and benchmark  correlation,
such  as beta,  standard deviation and  R(2), in advertising.  In addition, each
Fund may compare these measures to those of other funds. Measures of  volatility
seek  to compare the Funds' historical  share price fluctuations or total return
to those of a benchmark.
    
 
Each Fund may advertise  examples of the effects  of periodic investment  plans,
including the principle of dollar cost averaging programs. In such a program, an
investor  invests a fixed dollar amount in a Fund at periodic intervals, thereby
purchasing fewer shares  when prices are  high and more  shares when prices  are
low. While such a strategy does not assure a
 
                  Statement of Additional Information Page 40
<PAGE>
                             GT GLOBAL INCOME FUNDS
profit  or guard against loss in a declining market, the investor's average cost
per share can be lower than if fixed numbers of shares are purchased at the same
intervals. In evaluating such a plan, investors should consider their ability to
continue purchasing shares through periods of low price levels.
 
Each Fund may describe in its sales material and advertisements how an  investor
may  invest in GT Global Mutual Funds  through various retirement plans or other
programs that offer deferral of income taxes on investment earnings and pursuant
to which  an  investor  may  make deductible  contributions.  Because  of  their
advantages,  these retirement plans and programs may produce returns superior to
comparable non-retirement investments. For example, a $10,000 investment earning
a taxable return of 10% annually would have an after-tax value of $17,976  after
ten  years, assuming tax was deducted from the return each year at a 39.6% rate.
An equivalent tax-deferred investment would  have an after-tax value of  $19,626
after  ten years, assuming  tax was deducted  at a 39.6%  rate from the deferred
earnings  at  the   end  of  the   ten-year  period.  In   sales  material   and
advertisements,  the  Fund  may  also  discuss  these  plans  and  programs. See
"Information Relating to Sales and Redemptions -- Individual Retirement Accounts
('IRAs') and Other Tax-Deferred Plans."
 
GT Global may from time to time in its sales methods and advertising discuss the
risks inherent in investing. The major types of investment risk are market risk,
industry risk, credit  risk, interest  rate risk, liquidity  risk and  inflation
risk.  Risk represents  the possibility that  you may  lose some or  all of your
investment over a period of time. A basic tenet of investing is the greater  the
potential reward, the greater the risk.
 
From  time to  time, the  Funds and GT  Global will  quote information regarding
industries, individual countries, regions,  world stock exchanges, and  economic
and  demographic statistics from sources GT Global deems reliable, including the
economic and financial data of financial organizations, such as:
 
 1) Stock market  capitalization:  Morgan Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 2) Stock  market  trading volume:  Morgan  Stanley Capital  International World
    Indices and IFC.
 
 3) The number  of listed  companies: IFC,  GT Guide  to World  Equity  Markets,
    Salomon Brothers, Inc. and S.G. Warburg.
 
 4) Wage  rates: U.S. Department of Labor  Statistics and Morgan Stanley Capital
    International World Indices.
 
 5) International industry  performance:  Morgan Stanley  Capital  International
    World Indices, Wilshire Associates and Salomon Brothers, Inc.
 
 6) Stock   market  performance:  Morgan  Stanley  Capital  International  World
    Indices, IFC and Datastream.
 
 7) The Consumer Price Index and inflation rate: The World Bank, Datastream  and
    IFC.
 
 8) Gross Domestic Product ("GDP"): Datastream and The World Bank.
 
 9) GDP growth rate: IFC, The World Bank and Datastream.
 
10) Population: The World Bank, Datastream and United Nations.
 
11) Average annual growth rate (%) of population: The World Bank, Datastream and
    United Nations.
 
12) Age distribution within populations: OECD and United Nations.
 
13) Total exports and imports by year: IFC, The World Bank and Datastream.
 
   
14) Top  three companies by country, industry, or market: IFC, GT Guide to World
    Equity Markets, Salomon Brothers, Inc. and S.G. Warburg.
    
 
15) Foreign direct  investments  to developing  countries:  The World  Bank  and
    Datastream.
 
16) Supply,  consumption,  demand  and  growth in  demand  of  certain products,
    services and industries, including, but  not limited to electricity,  water,
    transportation, construction materials, natural resources, technology, other
    basic infrastructure, financial services, health care services and supplies,
    consumer products and services and telecommunications equipment and services
    (sources  of such information may include, but  would not be limited to, The
    World Bank, OECD, IMF, Bloomberg and Datastream).
 
17) Standard deviation and performance returns for U.S. and non-U.S. equity  and
    bond markets: Morgan Stanley Capital International.
 
18) Countries  restructuring their debt,  including those under  the Brady Plan:
    the Manager.
 
19) Political and economic structure of countries: Economist Intelligence Unit.
 
                  Statement of Additional Information Page 41
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
20) Government and  corporate bonds  -- credit  ratings, yield  to maturity  and
    performance returns: Salomon Brothers, Inc.
 
21) Dividend yields for U.S. and non-U.S. companies: Bloomberg.
 
   
From  time  to time,  GT  Global may  include  in its  advertisements  and sales
material,  information  about  privatization,  which  is  an  economic   process
involving the sale of state-owned companies to the private sector.
    
 
In  advertising and sales materials, GT Global  may make reference to or discuss
its products, services and accomplishments. Among these accomplishments are that
in 1983  the Manager  provided assistance  to  the government  of Hong  Kong  in
linking  its currency to the  U.S. dollar, and that  in 1987 Japan's Ministry of
Finance licensed  LGT  Asset  Management  Ltd.  as  one  of  the  first  foreign
discretionary  investment managers for Japanese investors. Such accomplishments,
however, should not be viewed as an endorsement of the Manager by the government
of Hong Kong, Japan's Ministry of Finance or any other government or  government
agency.  Nor do  any such accomplishments  of the Manager  provide any assurance
that the GT Global Mutual Funds' investment objectives will be achieved.
 
GT GLOBAL ADVANTAGE
As part of Liechtenstein Global Trust,  GT Global continues a 75-year  tradition
of  service  to  individuals  and  institutions.  Today  we  bring  investors  a
combination of experience, worldwide resources, a global perspective, investment
talent and a time-tested investment discipline. With investment professionals in
nine offices  worldwide,  we  witness world  events  and  economic  developments
firsthand. Many of the GT Global Mutual Funds' portfolio managers are natives of
the countries in which they invest, speak local languages and/or live or work in
the markets they follow.
 
The  key to achieving  consistent results is  following a disciplined investment
process. Our  approach  to  asset  allocation takes  advantage  of  GT  Global's
worldwide   presence  and  global  perspective.  Our  "macroeconomic"  worldview
determines our overall strategy of regional, country and sector allocations. Our
bottom-up process  of  security  selection combines  fundamental  research  with
quantitative analysis through our proprietary models.
 
   
Built-in  checks  and balances  strengthen  the process,  enhancing professional
experience and judgment with an  objective assessment of risk. Ultimately,  each
security  we select has passed  a ranking system that  helps our portfolio teams
determine when to buy and when to  sell. With respect to stocks, a global  stock
research  ("GSR") database developed  by GT Global is  utilized in the selection
process. All stocks  within the GSR  database are systematically  ranked by  our
analysts  on a  1-5 basis  with 1 representing  the most  favored. The rankings,
along with our  quantitative, fundamental research,  determine which stocks  are
bought and sold.
    
 
GT  Global describes the major stages of  economic development as revolving in a
"virtuous cycle." From time  to time, each  Fund and GT  Global may discuss  the
virtuous  cycle in  its sales  literature and  advertising. This  cycle operates
worldwide,  forcing  companies   to  become  increasingly   competitive  in   an
ever-expanding  global  marketplace.  GT  Global  has  identified  the following
sequential stages within the virtuous cycle:
 
FALLING  BORDERS  AND  TRADE  BARRIERS:  Barriers  between  countries  diminish,
increasing the potential for world trade and promoting global competition.
 
CAPITAL  FLOWS FROM  DEVELOPED MARKETS  TO EMERGING  MARKETS: As  barriers fall,
restrictions on the free movement of capital  in and out of a country are  often
reduced or removed. The flow of money from developed to developing markets gains
momentum.
 
INDUSTRIALIZATION OF EMERGING MARKETS: With capital flowing across borders, many
developing nations are able to quickly begin their process of industrialization.
 
INCREASED  DEMAND FOR  GLOBAL CONSUMER PRODUCTS:  As people  in emerging markets
experience rising standards of living  due to increased industrialization,  they
demand more consumer products which can help spur global trade flows.
 
GT  Global believes that we  increasingly live in a  world without boundaries in
terms of trade, competition and  investment opportunities. Therefore, GT  Global
believes it's becoming more relevant to look at investing in terms of industrial
groupings,  or themes,  as an alternative  to the traditional,  primary focus on
regions. GT Global believes such themes make movement possible between stages in
the virtuous cycle of economic progress.
 
ECONOMIC DEVELOPMENT IN EMERGING MARKETS
The Manager  has identified  six  phases to  track  the progress  of  developing
economies.
 
                  Statement of Additional Information Page 42
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
In addition, the Manager focuses on the transitions between each phase:
 
    BETWEEN  PHASES 1 & 2, STABILIZATION:  Developing nations recognize the need
for economic reform and launch initiatives to stabilize their economies. Typical
measures  might  include  initiating  monetary  reforms  to  contain  inflation,
controlling government spending, and addressing external trade imbalances.
 
    BETWEEN  PHASES 2 & 3, RENOVATION:  Economic development gathers momentum as
the  governments  of   developing  nations  take   further  steps  to   increase
productivity and external competitiveness. Typical reforms include easing market
regulations,  privatizing  state-owned industries,  lowering trade  barriers and
reforming the national tax structure.
 
    BETWEEN PHASES  3 &  4, NEW  CONSTRUCTION: As  economic reforms  take  hold,
infrastructure  improvements  are  needed to  facilitate  and  support long-term
growth. The construction and upgrading of highways and airports,  communications
and  utility systems  generally require  financing in  the form  of public debt.
Similarly, as  the private  sector develops,  bolstered by  new  privatizations,
corporate debt securities typically are issued to finance business expansion.
 
EMERGING MARKET TRADING VOLUME
   
The annual trading volume of debt securities from developing economies according
to  Salomon Brothers, Inc. has grown from $90 billion in 1990 to $150 billion in
1991 to $400 billion in 1992 and was  estimated to be $1,200 billion at the  end
of 1993 and $1.5 trillion at the end of 1994, respectively.
    
 
- --------------------------------------------------------------------------------
 
                          DESCRIPTION OF DEBT RATINGS
 
- --------------------------------------------------------------------------------
DESCRIPTION OF BOND RATINGS
    MOODY'S INVESTORS SERVICE, INC. ("Moody's") rates the debt securities issued
by  various entities from "Aaa"  to "C." Investment grade  ratings are the first
four categories:
 
        Aaa -- Bonds which are rated Aaa  are judged to be of the best  quality.
    They carry the smallest degree of investment risk and are generally referred
    to  as "gilt  edged." Interest payments  are protected  by a large  or by an
    exceptionally stable  margin  and principal  is  secure. While  the  various
    protective  elements are likely to change, such changes as can be visualized
    are most  unlikely  to impair  the  fundamentally strong  position  of  such
    issues.
 
        Aa  -- Bonds which are rated Aa are  judged to be of high quality by all
    standards. Together  with the  Aaa group  they comprise  what are  generally
    known  as high grade bonds. They are rated lower than the best bonds because
    margins of  protection  may  not  be  as  large  as  in  Aaa  securities  or
    fluctuation  of protective elements may be of greater amplitude or there may
    be other  elements present  which make  the long-term  risk appear  somewhat
    larger than the Aaa securities.
 
   
        A  --  Bonds  which  are  rated  A  possess  many  favorable  investment
    attributes and  are  to  be considered  as  upper-medium-grade  obligations.
    Factors  giving security to principal  and interest are considered adequate,
    but elements may  be present  which suggest a  susceptibility to  impairment
    some time in the future.
    
 
        Baa  --  Bonds  which  are  rated  Baa  are  considered  as medium-grade
    obligations, (i.e., they are neither  highly protected nor poorly  secured).
    Interest payments and principal security appear adequate for the present but
    certain  protective  elements may  be lacking  or may  be characteristically
    unreliable over  any  great length  of  time. Such  bonds  lack  outstanding
    investment  characteristics and in fact  have speculative characteristics as
    well.
 
        Ba -- Bonds which are rated Ba are judged to have speculative  elements;
    their  future cannot be considered as  well-assured. Often the protection of
    interest and principal payments may be  very moderate, and thereby not  well
    safeguarded  during both good and bad  times over the future. Uncertainty of
    position characterizes bonds in this class.
 
        B --  Bonds which  are rated  B generally  lack characteristics  of  the
    desirable  investment. Assurance  of interest  and principal  payments or of
    maintenance of other terms of the contract over any long period of time  may
    be small.
 
        Caa  -- Bonds which are rated Caa  are of poor standing. Such issues may
    be in default or  there may be  present elements of  danger with respect  to
    principal or interest.
 
                  Statement of Additional Information Page 43
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        Ca  --  Bonds  which  are  rated  Ca  represent  obligations  which  are
    speculative in a high degree. Such issues are often in default or have other
    marked shortcomings.
 
        C -- Bonds which  are rated C  are the lowest  rated class of  bonds,and
    issues  so rated can be regarded as  having extremely poor prospects of ever
    attaining any real investment standing.
 
ABSENCE OF RATING: Where no rating has been assigned or where a rating has  been
suspended  or withdrawn, it may  be for reasons unrelated  to the quality of the
issue.
 
Should no rating be assigned, the reason may be one of the following:
 
         1. An application for rating was not received or accepted.
 
         2. The issue or  issuer belongs to a  group of securities or  companies
    that are not rated as a matter of policy.
 
         3. There is a lack of essential data pertaining to the issue or issuer.
 
         4.  The issue  was privately  placed, in which  case the  rating is not
    published in Moody's publications.
 
Suspension or withdrawal may occur if new and material circumstances arise,  the
effects of which preclude satisfactory analysis; if there is no longer available
reasonable  up-to-date data  to permit  a judgment  to be  formed; if  a bond is
called for redemption; or for other reasons.
 
Note: Moody's applies numerical  modifiers, 1, 2, and  3 in each generic  rating
classification  from Aa to Caa. The modifier  1 indicates that the Company ranks
in the higher end  of its generic  rating category; the  modifier 2 indicates  a
mid-range  ranking; and the modifier  3 indicates that the  Company ranks in the
lower end of its generic rating category.
 
    STANDARD & POOR'S, a  division of The  McGraw-Hill Companies, Inc.  ("S&P"),
rates  the securities debt of various  entities in categories ranging from "AAA"
to "D"  according  to quality.  Investment  grade  ratings are  the  first  four
categories:
 
        AAA -- An obligation rated "AAA" has the highest rating assigned by S&P.
    The obligor's capacity to meet its financial commitment on the obligation is
    extremely strong.
 
        AA   --  An  obligation  rated  "AA"  differs  from  the  highest  rated
    obligations only  in a  small degree.  The obligor's  capacity to  meet  its
    financial commitment on the obligation is very strong.
 
        A -- An obligation rated "A" is somewhat more susceptible to the adverse
    effects of changes in circumstances and economic conditions than obligations
    in higher rated categories.
 
        BBB   --  An   obligation  rated  "BBB"   exhibits  adequate  protection
    parameters. However, adverse economic  conditions or changing  circumstances
    are  more likely to lead  to a weakened capacity of  the obligor to meet its
    financial commitment on the obligation.
 
        BB, B, CCC, CC, C -- Obligations  rated "BB," "B," "CCC," "CC," and  "C"
    are   regarded  as  having  significant  speculative  characteristics.  "BB"
    indicates the least degree  of speculation and "C"  the highest. While  such
    obligations  will likely  have some quality  and protective characteristics,
    these may be outweighed by large uncertainties or major exposures to adverse
    conditions.
 
        BB -- An  obligation rated "BB"  is less vulnerable  to nonpayment  than
    other  speculative issues. However, it  faces major ongoing uncertainties or
    exposure to adverse business, financial, or economic conditions which  could
    lead  to the obligor's inadequate capacity  to meet its financial commitment
    on the obligation.
 
        B --  An obligation  rated "B"  is more  vulnerable to  nonpayment  than
    obligations  rated "BB," but the obligor  currently has the capacity to meet
    its financial commitment on the obligation. Adverse business, financial,  or
    economic conditions will likely impair the obligor's capacity or willingness
    to meet its financial commitment on the obligation.
 
        CCC  -- An obligation rated "CCC" is currently vulnerable to nonpayment,
    and is dependent upon favorable business, financial, and economic conditions
    for the obligor to meet its  financial commitment on the obligation. In  the
    event of adverse business, financial, or economic conditions, the obligor is
    not  likely to  have the  capacity to meet  its financial  commitment on the
    obligation.
 
        CC --  An  obligation  rated  "CC" is  currently  highly  vulnerable  to
    nonpayment.
 
        C  -- The "C" rating may be used to cover a situation where a bankruptcy
    petition has been filed  or similar action has  been taken, but payments  on
    this obligation are being continued.
 
                  Statement of Additional Information Page 44
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
        D  -- An  obligation rated  "D" is  in payment  default. The  "D" rating
    category is used when payments on an obligation are not made on the date due
    even if the  applicable grace period  has not expired,  unless S&P  believes
    that  such payments will  be made during  such grace period.  The "D" rating
    also will be used upon the filing of a bankruptcy petition or the taking  of
    a similar action if payments on an obligation are jeopardized.
 
PLUS  (+) OR MINUS  (-): The ratings from  "AA" to "CCC" may  be modified by the
addition of a  plus or minus  sign to  show relative standing  within the  major
rating categories.
 
NR:  Indicates that  no rating  has been  requested, that  there is insufficient
information on which to base  a rating, or that S&P  does not rate a  particular
type of obligation as a matter of policy.
 
DESCRIPTION OF COMMERCIAL PAPER RATINGS
    MOODY'S  employs  the  designation "Prime-1"  to  indicate  commercial paper
having a superior ability for  repayment of senior short-term debt  obligations.
Prime-1  repayment  ability will  often be  evidenced by  many of  the following
characteristics: leading market positions  in well-established industries;  high
rates  of return on  funds employed; conservative  capitalization structure with
moderate reliance on debt and ample asset protection; broad margins in  earnings
coverage  of  fixed financial  charges and  high  internal cash  generation; and
well-established access to a range of  financial markets and assured sources  of
alternate liquidity. Issues rated Prime-2 have a strong ability for repayment of
senior  short-term debt obligations. This normally  will be evidenced by many of
the characteristics cited  above but  to a  lesser degree.  Earnings trends  and
coverage  ratios, while sound, may be  more subject to variation. Capitalization
characteristics, while  still  appropriate, may  be  more affected  by  external
conditions. Ample alternate liquidity is maintained.
 
    S&P  ratings of commercial paper are  graded into several categories ranging
from "A1" for the highest quality obligations  to "D" for the lowest. Issues  in
the  "A"  category are  delineated  with numbers  1, 2,  and  3 to  indicate the
relative degree  of safety.  A-1 --  This highest  category indicates  that  the
degree  of safety regarding timely payment is strong. Those issues determined to
possess extremely strong safety characteristics will be denoted with a plus sign
(+) designation.  A-2  -- Capacity  for  timely  payments on  issues  with  this
designation  is satisfactory; however,  the relative degree of  safety is not as
high as for issues designated "A-1."
 
- --------------------------------------------------------------------------------
 
                              FINANCIAL STATEMENTS
 
- --------------------------------------------------------------------------------
 
   
The audited financial statements of  the Funds as of  October 31, 1997, and  for
the fiscal year then ended, appear on the following pages.
    
 
                  Statement of Additional Information Page 45
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                   REPORT OF
                            INDEPENDENT ACCOUNTANTS
 
- --------------------------------------------------------------------------------
 
ANNUAL REPORT
To the Shareholders and Board of Directors of
G.T. Investment Funds, Inc.:
 
We have audited the accompanying statement of assets and liabilities of GT
Global Government Income Fund, GT Global High Income Fund-Consolidated, and GT
Global Strategic Income Fund, including the portfolios of investments, as of
October 31, 1997, the related statements of operations for the year then ended,
the statements of changes in net assets for each of the two years in the period
then ended, and the financial highlights for each of the periods indicated
herein. These financial statements and the financial highlights are the
responsibility of the Funds' management. Our responsibility is to express an
opinion on these financial statements and 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
October 31, 1997 by correspondence with the custodian and brokers. 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 positions of GT
Global Government Income Fund, GT Global High Income Fund-Consolidated and GT
Global Strategic Income Fund as of October 31, 1997, the results of their
operations for the year then ended, the changes in their net assets for each of
the two years in the period then ended, and the financial highlights for each of
the periods indicated herein, in conformity with generally accepted accounting
principles.
 
                                                        COOPERS & LYBRAND L.L.P.
 
BOSTON, MASSACHUSETTS
DECEMBER 15, 1997
 
                                       F1
<PAGE>
                        GT GLOBAL GOVERNMENT INCOME FUND
 
                            PORTFOLIO OF INVESTMENTS
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Government & Government Agency Obligations (49.4%)
  Australia (3.0%)
    Commonwealth of Australia, 7.5% due 9/15/09 ..........   AUD           10,660,000   $  8,416,716         3.0
  Canada (2.0%)
    Canadian Government, 7.25% due 6/1/07 ................   CAD            6,920,000      5,548,964         2.0
  Germany (4.7%)
    Deutschland Republic, 6% due 1/5/06 ..................   DEM           22,050,000     13,180,133         4.7
  Italy (9.4%)
    Italian Buoni Poliennali del Tesoro (BTPS):
      9.50% due 1/1/05 ...................................   ITL       13,100,000,000      9,228,992         3.3
      9% due 11/1/23 .....................................   ITL       11,730,000,000      8,839,498         3.1
      7.25% due 11/1/26 ..................................   ITL       13,200,000,000      8,361,624         3.0
  New Zealand (4.4%)
    New Zealand Government, 8% due 4/15/04 ...............   NZD           18,570,000     12,360,425         4.4
  Spain (2.3%)
    Spain Government, 10.5% due 10/30/03 .................   ESP          770,000,000      6,581,165         2.3
  Sweden (2.9%)
    Swedish Government, 8% due 8/15/07 ...................   SEK           54,800,000      8,163,505         2.9
  United Kingdom (4.4%)
    United Kingdom Treasury:
      9.5% due 4/18/05 ...................................   GBP            5,000,000      9,775,453         3.5
      7.25% due 12/7/07 ..................................   GBP            1,420,000      2,503,816         0.9
  United States (15.3%)
    United States Treasury:
      8% due 11/15/21{./} {z} ............................   USD           17,000,000     20,683,023         7.3
      6.125% due 8/15/07 .................................   USD            9,750,000      9,958,711         3.5
      6.375% due 8/15/27 .................................   USD            6,250,000      6,431,641         2.3
      6.625% due 5/15/07 .................................   USD            5,800,000      6,106,992         2.2
  Uruguay (1.0%)
    Republic of Uruguay, 7.875% due 7/15/27 -
     144A{./}{.} .........................................   USD            3,000,000      2,898,000         1.0
                                                                                        ------------
Total Government & Government Agency Obligations (cost
 $136,776,126) ...........................................                               139,038,658
                                                                                        ------------
Corporate Bonds (23.5%)
  Denmark (5.4%)
    Realkredit Bank, 7% due 10/1/29 ......................   DKK          104,000,000     15,287,266         5.4
  Germany (2.0%)
    Commerzbank O/S Financial, 8.5% due 5/13/02 ..........   NZD            5,340,000      3,467,559         1.2
    Kredit Fuer Wiederaufbau International Finance, 7.25%
     due 7/16/07 .........................................   AUD            3,100,000      2,304,569         0.8
  New Zealand (3.8%)
    Transpower Finance Ltd., 8% due 3/15/02 ..............   NZD           16,500,000     10,590,896         3.8
  South Africa (5.5%)
    Eskom, 11% due 6/1/08{./} ............................   ZAR           68,500,000     11,346,106         4.0
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F2
<PAGE>
                        GT GLOBAL GOVERNMENT INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Corporate Bonds (Continued)
    Transnet Ltd., 7.5% due 4/1/08 .......................   ZAR           28,140,000   $  3,612,816         1.3
    Development Bank of South Africa, due 12/31/27 .......   ZAR          124,000,000        580,042         0.2
  Tunisia (1.5%)
    Banque Centrals de Tunisie, 8.25% due 9/19/27 ........   USD            4,750,000      4,314,235         1.5
  United Kingdom (5.3%)
    SBC Jersey, 8.75% due 6/20/05 ........................   GBP            8,200,000     14,927,163         5.3
                                                                                        ------------
Total Corporate Bonds (cost $68,215,638) .................                                66,430,652
                                                                                        ------------
Mortgage Backed (12.0%)
  United States (12.0%)
    Federal National Mortgage Association:
      7.25% due 6/20/02 ..................................   NZD           15,050,000      9,421,474         3.3
      6.375% due 8/15/07 .................................   AUD            7,300,000      5,212,020         1.8
    Government National Mortgage Association:
      TBA Pool, 7% due 11/15/27{*} .......................   USD            8,725,000      8,774,078         3.1
      Pool #780515, 9.5% due 12/15/21 ....................   USD            5,026,270      5,475,493         1.9
    Federal Home Loan Mortgage Association Pool #E62449,
     8.5% due 3/1/10 .....................................   USD            2,595,424      2,769,195         1.0
    Salomon Brothers Mortgage Securities CMO, effective
     yield 6.0867% due 12/25/30 ..........................   USD            2,342,065      2,400,617         0.9
                                                                                        ------------
Total Mortgage Backed (cost $34,786,107) .................                                34,052,877
                                                                                        ------------       -----
 
TOTAL FIXED INCOME INVESTMENTS (cost $239,777,871) .......                               239,522,187        84.9
                                                                                        ------------       -----
<CAPTION>
 
                                                                         UNDERLYING        VALUE         % OF NET
OPTIONS                                                     CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
  Deutsche Marks Put Option, strike 1.7825, expires
   11/13/97
   (cost $80,102) ........................................   USD            4,840,000          3,896          --
                                                                                        ------------       -----
    CURRENCY OPTIONS
<CAPTION>
 
                                                                         PRINCIPAL         VALUE         % OF NET
SHORT-TERM INVESTMENTS                                      CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Government & Government Agency Obligations (14.9%)
  Egypt (1.1%)
    Egypt Treasury Bill, 0% due 11/25/97 .................   EGP           11,000,000      3,215,643         1.1
  Italy (7.1%)
    Italian Buoni Poliennali del Tesoro (BTPS), 10.5% due
     4/15/98 .............................................   ITL       33,520,000,000     20,073,397         7.1
  Mexico (1.6%)
    Mexican Cetes due 11/13/97 ...........................   MXN            3,732,000      4,445,773         1.6
  United Kingdom (5.1%)
    United Kingdom Treasury, 7.25% due 3/30/98 ...........   GBP            8,550,000     14,354,277         5.1
                                                                                        ------------
Total Government & Government Agency Obligations (cost
 $41,749,459) ............................................                                42,089,090
                                                                                        ------------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F3
<PAGE>
                        GT GLOBAL GOVERNMENT INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
SHORT-TERM INVESTMENTS                                      CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Commercial Paper - Discounted (3.1%)
  United States (3.1%)
    General Electric Capital Corp., effective yield 5.68%
     due 11/19/97 (cost $8,659,446){./} ..................   USD            8,725,000   $  8,659,446         3.1
                                                                                        ------------       -----
 
TOTAL SHORT-TERM INVESTMENTS (cost $50,408,905) ..........                                50,748,536        18.0
                                                                                        ------------       -----
 
TOTAL INVESTMENTS (cost $290,266,878)  * .................                               290,274,619       102.9
Other Assets and Liabilities .............................                                (8,165,141)       (2.9)
                                                                                        ------------       -----
 
NET ASSETS ...............................................                              $282,109,478       100.0
                                                                                        ------------       -----
                                                                                        ------------       -----
</TABLE>
 
- --------------
 
       {./}  All or part of the Fund's holdings in this security is segregated
             as collateral for when-issued securities or forward currency
             contracts. See Note 1 to the Financial Statements.
        {z}  All or part of the Fund's holdings in this security is segregated
             as collateral for written options. See Note 1 to the Financial
             Statements.
        {.}  Security exempt from registration under Rule 144A of the Securities
             Act of 1933. These securities may be resold in transactions exempt
             from registration, normally to qualified institutional buyers.
        {*}  Purchased on a forward commitment basis.
          *  For Federal income tax purposes, cost is $290,620,342 and
             appreciation (depreciation) is as follows:
 
<TABLE>
                 <S>                              <C>
                 Unrealized appreciation:         $   5,885,779
                 Unrealized depreciation:            (6,231,502)
                                                  -------------
                 Net unrealized depreciation:     $    (345,723)
                                                  -------------
                                                  -------------
</TABLE>
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                     WRITTEN OPTIONS CONTRACTS OUTSTANDING
                                OCTOBER 31, 1997
 
<TABLE>
<CAPTION>
                                            UNDERLYING     EXPIRATION  STRIKE      MARKET
PUT OPTIONS                                   AMOUNT         DATE     PRICE        VALUE
- ----------------------------------------  --------------   --------  --------  --------------
<S>                                       <C>              <C>       <C>       <C>
DEM.....................................     4,840,000     11/13/97   DEM1.82   $      (406)
                                                                                     ------
  Total outstanding written options
   (Premium received $44,673)...........                                               (406)
                                                                                     ------
                                                                                     ------
</TABLE>
 
- ----------------
See Note 1 to the financial statements.
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F4
<PAGE>
                        GT GLOBAL GOVERNMENT INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
                 FORWARD FOREIGN CURRENCY CONTRACTS OUTSTANDING
                                OCTOBER 31, 1997
<TABLE>
<CAPTION>
                                                                                 UNREALIZED
                                           MARKET VALUE    CONTRACT  DELIVERY   APPRECIATION
CONTRACTS TO BUY:                         (U.S. DOLLARS)    PRICE      DATE    (DEPRECIATION)
- ----------------------------------------  --------------   --------  --------  --------------
<S>                                       <C>              <C>       <C>       <C>
Australian Dollars......................      14,130,053    1.33485   11/6/97   $  (927,862)
Australian Dollars......................       2,108,963    1.37000   11/6/97       (80,812)
Australian Dollars......................       4,077,329    1.37155   11/6/97      (151,451)
Australian Dollars......................       8,168,717    1.36885   11/6/97      (320,158)
British Pounds..........................      17,545,780    0.62087    2/5/98       505,103
Canadian Dollars........................       1,412,149    1.37160   11/6/97       (38,712)
Danish Kroner...........................       5,263,096    6.67385   11/6/97        87,497
Deutsche Marks..........................       4,607,616    1.79770   11/6/97       187,616
Deutsche Marks..........................       7,647,020    1.72473   11/6/97         1,020
Deutsche Marks..........................       8,632,762    1.85468    2/5/98       650,345
Deutsche Marks..........................       9,831,529    1.86050    2/5/98       769,116
Deutsche Marks..........................       9,121,259    1.84900    2/5/98       661,259
Deutsche Marks..........................      10,320,977    1.82590    2/5/98       627,127
Deutsche Marks..........................      22,031,550    1.76970    2/5/98       681,550
Deutsche Marks..........................      15,399,073    1.74950    2/5/98       304,074
Deutsche Marks..........................       7,856,456    1.74980    2/5/98       156,456
Deutsche Marks..........................       7,924,376    1.74230    2/5/98       124,376
Italian Liras...........................       3,458,975   1,768.30000   2/5/98      138,837
Italian Liras...........................       8,545,464   1,747.52000   2/5/98      245,464
Italian Liras...........................       3,796,301   1,741.50000   2/5/98       96,301
Italian Liras...........................      15,238,110   1,732.32000   2/5/98      307,843
Italian Liras...........................       5,672,764   1,699.54000   2/5/98        7,399
Italian Liras...........................         996,994   1,697.70000   2/5/98          221
South African Rand......................         873,181    4.81550   11/6/97           997
Swedish Kronor..........................       8,468,638    7.57006   11/6/97        92,472
Swedish Kronor..........................       2,827,601    7.49385    2/5/98        11,645
                                          --------------                       --------------
  Total Contracts to Buy (Payable amount
   $201,819,010)........................     205,956,733                          4,137,723
                                          --------------                       --------------
THE VALUE OF CONTRACTS TO BUY AS
 PERCENTAGE OF NET ASSETS IS 73.01%.
 
<CAPTION>
 
CONTRACTS TO SELL:
- ----------------------------------------
<S>                                       <C>              <C>       <C>       <C>
Australian Dollars......................      35,852,373    1.34162   11/6/97     2,161,497
Australian Dollars......................       8,548,124    1.43055   11/6/97       (48,124)
British Pounds..........................       8,269,037    0.62724   11/6/97      (409,138)
British Pounds..........................       9,476,686    0.63291   11/6/97      (549,686)
British Pounds..........................       8,830,253    0.60165    2/5/98        19,747
Canadian Dollars........................       1,412,149    1.39136   11/6/97        36,705
Canadian Dollars........................       5,516,238    1.39136    2/5/98        43,762
Danish Kroner...........................       7,511,923    6.95000   11/6/97      (418,398)
Deutsche Marks..........................       4,699,886    1.83370   11/6/97      (279,886)
Deutsche Marks..........................       7,559,969    1.78347   11/6/97      (249,969)
Deutsche Marks..........................       8,548,334    1.71846    2/5/98       (17,440)
Deutsche Marks..........................       7,689,586    1.71600    2/5/98        (4,687)
Deutsche Marks..........................      57,287,100    1.71600    2/5/98       (34,920)
Deutsche Marks..........................      18,029,667    1.71800    2/5/98       (31,966)
Italian Lira............................      39,768,497   1,696.15000   2/5/98       27,512
New Zealand Dollars.....................      36,510,209    1.57878   11/6/97       638,701
South African Rand......................       8,879,420    4.83145  11/12/97       (39,420)
South African Rand......................       7,946,694    4.95150  11/28/97      (171,272)
Swedish Kronor..........................       4,273,847    7.94000   11/6/97      (243,620)
Swedish Kronor..........................       9,215,482    8.00000   11/6/97      (590,482)
                                          --------------                       --------------
  Total Contracts to Sell (Receivable
   amount $295,664,390).................     295,825,474                           (161,084)
                                          --------------                       --------------
THE VALUE OF CONTRACTS TO SELL AS
 PERCENTAGE OF NET ASSETS IS 104.86%.
  Total Open Forward Foreign Currency
   Contracts, Net.......................                                        $ 3,976,639
                                                                               --------------
                                                                               --------------
</TABLE>
 
- ----------------
See Note 1 to the financial statements.
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F5
<PAGE>
                          GLOBAL HIGH INCOME PORTFOLIO
 
                            PORTFOLIO OF INVESTMENTS
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Government & Government Agency Obligations (53.2%)
  Argentina (5.2%)
    Republic of Argentina:
      Global Bond, 11% due 10/9/06 .......................   USD           11,919,000   $ 11,814,709         3.2
      Par Bond Series L, 5.50% due 3/31/23++ .............   USD            6,610,000      4,498,931         1.2
      Global Bond, 11.375% due 1/30/17 ...................   USD            3,048,000      2,910,840         0.8
  Brazil (2.1%)
    Republic of Brazil, Par Z-L Bond, 5.25% due
     4/15/24++ ...........................................   USD           11,384,000      7,527,670         2.1
  Bulgaria (5.1%)
    Republic of Bulgaria:
      Front Loaded Interest Reduction Bond Series A, 2.25%
       due 7/28/12++ .....................................   USD           18,357,000     10,004,565         2.7
      Interest Arrears Bond, 6.6875% due 7/28/11 -
       Euro+ .............................................   USD           13,522,000      8,882,264         2.4
  Costa Rica (1.7%)
    Banco Central de Costa Rica:
      Interest Bond Series A, 6.5391% due 5/21/05
       (effective maturity date 8/21/02)+ ................   USD            4,270,656      4,270,656         1.2
      Principal Bond Series A, 6.25% due 5/21/10 .........   USD            1,900,000      1,653,000         0.5
  Ecuador (2.1%)
    Republic of Ecuador Discount Bond, 6.6875% due 2/28/25
     - EURO+ .............................................   USD           11,069,000      7,775,973         2.1
  Mexico (11.7%)
    United Mexican States:
      Discount Bond Series D, 6.8125% due 12/31/19+ ......   USD           24,328,000     22,032,045         6.0
      Global Bond, 11.5 due 5/15/26 ......................   USD            7,290,000      7,873,200         2.2
      Global Bond, 9.875% due 1/15/07 ....................   USD            6,430,000      6,502,338         1.8
      Global Bond, 11.375% due 9/15/16 ...................   USD            5,793,000      6,162,304         1.7
  Nigeria (3.4%)
    Central Bank of Nigeria, Par Bond, 6.25% due
     11/15/20+/+ .........................................   USD           18,750,000     12,281,250         3.4
  Panama (3.4%)
    Republic of Panama, Interest Reduction Bond, 3.75% due
     7/17/14++ ...........................................   USD           17,850,000     12,550,781         3.4
  Peru (1.6%)
    Republic of Peru, Past Due Interest Bond, 4% due
     3/7/17 - 144A{.} ....................................   USD           10,086,000      5,749,020         1.6
  South Africa (5.0%)
    Republic of South Africa, 13% due 8/31/10{./} ........   ZAR           97,113,000     18,329,766         5.0
  United States (7.5%)
    United States Treasury:
      6.375% due 8/15/27 .................................   USD           15,337,000     15,782,732         4.3
      5.875% due 9/30/02{./} .............................   USD           11,747,000     11,811,242         3.2
  Uruguay (2.1%)
    Banco Central del Uruguay:
      Debt Conversion Bond Series B, 6.8125% due
       2/18/07+ ..........................................   USD            4,000,000      4,000,000         1.1
      Par Bond Series A, 6.75% due 2/19/21+/+ ............   USD            2,290,000      2,129,700         0.6
      Par Bond Series B, 6.75% due 2/19/21+/+ ............   USD            1,500,000      1,395,000         0.4
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F6
<PAGE>
                          GLOBAL HIGH INCOME PORTFOLIO
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Government & Government Agency Obligations (Continued)
  Venezuela (2.3%)
    Republic of Venezuela, Par Bond Series A, 6.75% due
     3/31/20+/+ ..........................................   USD           10,025,000   $  8,389,672         2.3
                                                                                        ------------
Total Government & Government Agency Obligations (cost
 $202,758,127) ...........................................                               194,327,658
                                                                                        ------------
Corporate Bonds (25.9%)
  Argentina (1.7%)
    Supermercados Norte, 10.875% due 2/9/04 - 144A{.} ....   USD            2,655,000      2,469,150         0.7
    Impsa Corp., 9.5% due 5/31/02 - 144A{.} ..............   USD            2,409,000      2,276,505         0.6
    Acindar Industrial Argentina, 11.25% due 2/15/04 .....   USD            1,497,000      1,482,030         0.4
  Brazil (0.6%)
    RBS Participacoes S.A., 11% due 4/1/07 - 144A{.} .....   USD            2,273,000      2,216,175         0.6
  Canada (0.8%)
    Pacalta Resources Ltd., 10.75% due 6/15/04 -
     144A{.} .............................................   USD            2,978,000      2,970,555         0.8
  China (2.9%)
    Panda Global Energy Co., 12.5% due 4/15/04 -
     144A{.} .............................................   USD            7,559,000      7,105,460         1.9
    Greater Beijing First, 9.5% due 6/15/07 - 144A{.} ....   USD            3,210,000      2,929,125         0.8
    Huaneng Power International PLC Convertible, 1.75% due
     5/21/04 .............................................   USD              790,000        743,390         0.2
  Dominican Republic (0.7%)
    Tricom S.A., 11.375% due 9/1/04 - 144A{.} ............   USD            2,628,000      2,601,720         0.7
  Hong Kong (1.1%)
    GS Superhighway Holdings, 9.875% due 8/15/04 -
     144A{.} .............................................   USD            2,434,000      2,281,875         0.6
    Road King Infrastructure, 9.5% due 7/15/07 -
     144A{.} .............................................   USD            2,100,000      1,958,250         0.5
  India (1.1%)
    Tata Electric Co., 8.5% due 8/19/17 - 144A{.} ........   USD            4,395,000      3,836,835         1.1
  Indonesia (3.9%)
    Polysindo International Finance, 8.9063%, due
     4/22/99 .............................................   IDR       27,500,000,000      5,114,793         1.4
    DGS International Finance Co., 10% due 6/1/07 -
     144A{.} .............................................   USD            4,961,000      4,564,120         1.3
    Tjiwi Kimia Financial Mauritius, 10% due 8/1/04 -
     144A{.} .............................................   USD            2,964,000      2,645,370         0.7
    Pratama Datakom Asia BV, 12.75% due 7/15/05 -
     144A{.} .............................................   USD            2,141,000      1,884,080         0.5
  Jamaica (1.1%)
    Mechala Group Jamaica Ltd.:
      12.75% due 12/30/99 - Series B .....................   USD            2,846,000      2,760,620         0.8
      12.75% due 12/30/99 - Reg S{c} .....................   USD            1,288,000      1,249,360         0.3
  Mexico (6.4%)
    Petroleos Mexicanos:
      9.5% due 9/15/27 - 144A{.} .........................   USD            8,768,000      8,044,640         2.2
      8.85% due 9/15/07 - 144A{.} ........................   USD            4,388,000      4,217,965         1.2
    Fideicomiso Petacalco Trust, 10.16% due 12/23/09 - Reg
     S{c} ................................................   USD            2,720,000      2,720,000         0.7
    TV Azteca, S.A. de C.V., 10.5% due 2/15/07 -
     144A{.} .............................................   USD            2,350,000      2,393,851         0.7
    Dine, S.A. de C.V., 8.75% due 10/15/07 - 144A{.} .....   USD            2,440,000      2,305,800         0.6
    Copamex Industrias S.A., 11.375% due 4/30/04 -
     144A{.} .............................................   USD            1,903,000      2,079,028         0.6
    Hylsa, S.A. de C.V., 9.25% due 9/15/07{.} ............   USD            1,560,000      1,497,600         0.4
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F7
<PAGE>
                          GLOBAL HIGH INCOME PORTFOLIO
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Corporate Bonds (Continued)
  Russia (1.3%)
    Lukinter Finance BV Convertible, 3.5% due 5/6/02 -
     144A{.} .............................................   USD            2,283,000   $  3,070,635         0.8
    Mosenergo Finance BV, 8.375% due 10/9/02 - 144A{.} ...   USD            2,184,000      1,921,920         0.5
  South Africa (4.3%)
    Eskom, 11% due 6/1/08 ................................   ZAR           94,900,000     15,718,912         4.3
                                                                                        ------------
Total Corporate Bonds (cost $103,242,812) ................                                95,059,764
                                                                                        ------------
Sovereign Debt (12.8%)
  Russia (12.8%)
    Bank for Foreign Economic Affairs (Vnesheconombank)
     Loan Agreement:
      Assignment ** -/- ..................................   USD           46,757,000     41,583,888        11.4
      Participation ** -/- ...............................   DEM            9,819,000      5,224,084         1.4
                                                                                        ------------
Total Sovereign Debt (cost $25,217,395) ..................                                46,807,972
                                                                                        ------------       -----
 
TOTAL FIXED INCOME INVESTMENTS (cost $331,218,334) .......                               336,195,394        91.9
                                                                                        ------------       -----
<CAPTION>
 
                                                                         UNDERLYING        VALUE         % OF NET
OPTIONS                                                     CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
  Federal Republic of Brazil Debt Conversion Bond, Call
   Option, strike 82.25, expires 1/12/98 (cost
   $1,032,750) ...........................................   USD           57,375,000        418,608         0.1
                                                                                        ------------       -----
    GOVERNMENT & GOVERNMENT AGENCY OBLIGATIONS
<CAPTION>
 
                                                                                           VALUE         % OF NET
REPURCHASE AGREEMENT                                                                      (NOTE 1)        ASSETS
- ----------------------------------------------------------                              ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
  Dated October 31, 1997, with State Street Bank & Trust
   Co., due November 3, 1997, for an effective yield of
   5.57% collateralized by $8,950,000 U.S. Treasury Bonds,
   8.875% due 8/15/17 (market value of collateral is
   $11,741,829, including accrued interest).
   (cost $11,510,781)  ...................................                                11,510,781         3.2
                                                                                        ------------       -----
 
TOTAL INVESTMENTS (cost $343,761,865)  * .................                               348,124,783        95.2
Other Assets and Liabilities .............................                                17,667,628         4.8
                                                                                        ------------       -----
 
NET ASSETS ...............................................                              $365,792,411       100.0
                                                                                        ------------       -----
                                                                                        ------------       -----
</TABLE>
 
- --------------
 
        -/-  Non-income producing security.
         **  Underlying loan agreement currently in default.
        {.}  Security exempt from registration under Rule 144A of the Securities
             Act of 1933. These securities may be resold in transactions exempt
             from registration, normally to qualified institutional buyers.
        {c}  Security issued under Regulation S. Rule 144A and additional
             restrictions may apply in the resale of such securities.
         ++  The coupon rate shown on step-up coupon bond represents the rate at
             period end.
          +  The coupon rate shown on floating rate note represents the rate at
             period end.
        +/+  Issued with detachable warrants or value recovery rights. The
             current market value of each warrant or right is zero.
       {./}  All or part of the Fund's holdings in this security is segregated
             as collateral for when-issued securities or forward currency
             contracts. See Note 1 to the Financial Statements.
          *  For Federal income tax purposes, cost is $343,911,253 and
             appreciation (depreciation) is as follows:
 
<TABLE>
                 <S>                              <C>
                 Unrealized appreciation:         $  26,533,602
                 Unrealized depreciation:           (22,320,072)
                                                  -------------
                 Net unrealized appreciation:     $   4,213,530
                                                  -------------
                                                  -------------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F8
<PAGE>
                          GLOBAL HIGH INCOME PORTFOLIO
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
                 OUTSTANDING FORWARD FOREIGN CURRENCY CONTRACTS
                                OCTOBER 31, 1997
 
<TABLE>
<CAPTION>
                                                                                    UNREALIZED
                                           MARKET VALUE     CONTRACT    DELIVERY   APPRECIATION
CONTRACTS TO SELL:                        (U.S. DOLLARS)      PRICE       DATE    (DEPRECIATION)
- ----------------------------------------  --------------   -----------  --------  --------------
<S>                                       <C>              <C>          <C>       <C>
Deutsche Marks..........................     3,966,367         1.84950   11/6/97     $(268,070)
Indonesian Rupiah.......................    10,445,682     3,610.00000   11/5/97      (57,871)
South African Rand......................    24,288,532         5.04500   1/30/98     (535,715)
South African Rand......................       608,060         5.06350   1/30/98      (15,584)
                                          --------------                          --------------
  Total Contracts to Sell (Receivable
   amount $38,431,401)..................    39,308,641                               (877,240)
                                          --------------                          --------------
THE VALUE OF CONTRACTS TO SELL AS
 PERCENTAGE OF NET ASSETS IS 10.75%.
  Total Open Forward Foreign Currency
   Contracts............................                                             $(877,240)
                                                                                  --------------
                                                                                  --------------
</TABLE>
 
- ----------------
See Note 1 to the financial statements.
 
    The accompanying notes are an integral part of the financial statements.
 
                                       F9
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                            PORTFOLIO OF INVESTMENTS
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Government & Government Agency Obligations (65.6%)
  Argentina (2.0%)
    Republic of Argentina:
      Global Bond, 11% due 10/9/06 .......................   USD            5,618,000   $  5,568,843         1.3
      Global Bond, 11.375% due 1/30/17 ...................   USD            3,177,000      3,034,035         0.7
      Par Bond Series L, 5.5% due 3/31/23++ ..............   USD               95,000         64,659          --
  Australia (2.3%)
    Commonwealth of Australia, 7.5% due 9/15/09 ..........   AUD           12,500,000      9,869,508         2.3
  Brazil (0.9%)
    Republic of Brazil, Par Z-L Bond, 5.25% due
     4/15/24{./} ++ ......................................   USD            5,856,000      3,872,280         0.9
  Bulgaria (2.0%)
    Republic of Bulgaria:
      Interest Arrears Bond, 6.6875% due 7/28/11 -
       Euro{./} + ........................................   USD            6,486,000      4,260,491         1.0
      Front Loaded Interest Reduction Bond Series A, 2.25%
       due 7/28/12{./} ++ ................................   USD            7,396,000      4,030,820         1.0
  Canada (2.2%)
    Canadian Government, 8.75% due 12/1/05 ...............   CAD           10,500,000      9,075,362         2.2
  Colombia (0.6%)
    Republic of Colombia, 8.7% due 2/15/16 ...............   USD            2,538,000      2,480,895         0.6
  Costa Rica (0.9%)
    Banco Central de Costa Rica:
      Interest Bond Series A, 6.5391% due 5/21/05
       (effective maturity date 8/21/02)+ ................   USD            1,918,176      1,918,176         0.5
      Principal Bond Series A, 6.25% due 5/21/10 .........   USD            1,900,000      1,653,000         0.4
  Ecuador (0.9%)
    Discount Bond, 6.6875% due 2/28/25 - Euro+ ...........   USD            5,485,000      3,853,213         0.9
  France (1.9%)
    France O.A.T., 7.25% due 4/25/06 .....................   FRF           40,000,000      7,779,107         1.9
  Germany (11.0%)
    Deutschland Republic:
      6% due 1/5/06 ......................................   DEM           35,500,000     21,219,716         5.0
      8.25% due 9/20/01 ..................................   DEM           24,000,000     15,532,850         3.7
    Treuhandanstalt, 7.125% due 1/29/03 ..................   DEM           15,000,000      9,474,050         2.3
  Italy (4.3%)
    Italian Buoni Poliennali del Tesoro (BTPS):
      9.5% due 2/1/99 ....................................   ITL       18,000,000,000     11,092,869         2.6
    Italian Government, 7.25% due 11/1/26 ................   ITL       11,000,000,000      6,968,020         1.7
  Mexico (5.8%)
    United Mexican States:
      Discount Bond Series A, 6.6925% due 12/31/19+
       +/+ ...............................................   USD           10,849,000      9,825,126         2.3
      Global Bond, 11.5% due 5/15/26 .....................   USD            7,755,000      8,375,400         2.0
      Global Bond, 9.875% due 1/15/07 ....................   USD            3,045,000      3,079,256         0.7
      Global Bond, 11.375% due 9/15/16 ...................   USD            2,744,000      2,918,930         0.7
      Discount Bond Series D, 6.8125% due 12/31/19+ ......   USD              672,000        608,580         0.1
  Netherlands (1.5%)
    Netherlands Government Bond, 5.75% due 2/15/07 .......   NLG           12,000,000      6,260,896         1.5
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F10
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Government & Government Agency Obligations (Continued)
  New Zealand (1.9%)
    New Zealand Government, 8% due 4/15/04 ...............   NZD           12,000,000   $  7,987,351         1.9
  Nigeria (1.7%)
    Central Bank of Nigeria, Par Bond, 6.25% due
     11/15/20{./} +/+ ....................................   USD           11,000,000      7,205,000         1.7
  Panama (3.6%)
    Republic of Panama:
      Interest Reduction Bond, 3.75% due 7/17/14++ .......   USD           16,705,000     11,745,703         2.8
      7.875% due 2/13/02 - 144A{.} .......................   USD            3,360,000      3,200,400         0.8
  Peru (0.6%)
    Republic of Peru, Past Due Interest Bond, 4% due
     3/7/17 - 144A++ {.} .................................   USD            4,776,000      2,722,320         0.6
  South Africa (2.2%)
    Republic of South Africa, 13% due 8/31/10 ............   ZAR           48,561,000      9,165,732         2.2
  Spain (2.0%)
    Spain Government, 10.5% due 10/30/03 .................   ESP        1,000,000,000      8,546,967         2.0
  Sweden (1.3%)
    Swedish Government, 8% due 8/15/07 ...................   SEK           37,000,000      5,511,856         1.3
  United Kingdom (6.6%)
    United Kingdom Treasury, 7% due 6/7/02 ...............   GBP           11,900,000     20,234,192         4.8
    United Kingdom Conversion, 9.5% due 4/18/05 ..........   GBP            3,800,000      7,429,344         1.8
  United States (8.1%)
    United States Treasury:
      5.875% due 9/30/02{./} .............................   USD           12,865,000     12,935,356         3.1
      6.875% due 8/15/25{./} {z} .........................   USD            8,000,000      8,686,250         2.1
      6.375% due 8/15/27 .................................   USD            8,293,000      8,534,015         2.0
      6.50% due 10/15/06{z} ..............................   USD            3,500,000      3,639,111         0.9
  Uruguay (0.3%)
    Banco Central del Uruguay, Par Bond Series A, 6.75%
     due2/19/21{./} +/ + .................................   USD            1,370,000      1,274,100         0.3
  Venezuela (1.0%)
    Republic of Venezuela:
      Par Bond Series A, 6.75% due 3/31/20{./} +/+ .......   USD            4,880,000      4,083,950         1.0
                                                                                        ------------
Total Government & Government Agency Obligations (cost
 $281,695,109) ...........................................                               275,717,729
                                                                                        ------------
Corporate Bonds (10.5%)
  Argentina (0.5%)
    Impsa Corp., 9.5% due 5/31/02 - 144A{.} ..............   USD            1,377,000      1,301,265         0.3
    Acindar Industrial Argentina, 11.25% due 2/15/04 .....   USD              816,000        807,840         0.2
  Brazil (0.3%)
    RBS Participacoes S.A., 11% due 4/1/07 - 144A{.} .....   USD            1,278,000      1,246,050         0.3
  China (1.1%)
    Panda Global Energy Co., 12.5% due 4/15/04 -
     144A{.} .............................................   USD            3,145,000      2,956,300         0.7
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F11
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Corporate Bonds (Continued)
    Greater Beijing First, 9.5% due 6/15/07 - 144A{.} ....   USD            1,720,000   $  1,569,500         0.4
  Denmark (1.0%)
    Realkredit Danmark, 6% due 10/1/26 ...................   DKK           30,000,000      4,226,028         1.0
  Dominican Republic (0.3%)
    Tricom S.A., 11.375% due 9/1/04 - 144A{.} ............   USD            1,294,000      1,281,060         0.3
  Ecuador (0.4%)
    Pacalta Resources Ltd., 10.75% due 6/15/04 -
     144A{.} .............................................   USD            1,601,000      1,596,998         0.4
  Hong Kong (0.5%)
    GS Superhighway Holdings, 9.875% due 8/15/04 -
     144A{.} .............................................   USD            1,210,000      1,134,375         0.3
    Road King Infrastructure, 9.5% due 7/15/07 -
     144A{.} .............................................   USD            1,100,000      1,025,750         0.2
  India (0.4%)
    Tata Electric Co., 8.5% due 8/19/17 - 144A{.} ........   USD            2,151,000      1,877,823         0.4
  Indonesia (1.1%)
    DGS International Finance Co., 10% due 6/1/07 -
     144A{.} .............................................   USD            2,717,000      2,499,640         0.6
    Tjiwi Kimia Financial Mauritius, 10% due 8/1/04 -
     144A{.} .............................................   USD            1,471,000      1,312,868         0.3
    Pratama Datakom Asia BV, 12.75% due 7/15/05 -
     144A{.} .............................................   USD            1,134,000        997,920         0.2
  Jamaica (0.2%)
    Mechala Group Jamaica, 12.75% due 12/30/99 - Reg
     S{c} ................................................   USD              719,000        697,430         0.2
  Mexico (2.5%)
    Petroleos Mexicanos:
      9.5% due 9/15/27 - 144A{.} .........................   USD            4,224,000      3,875,520         0.9
      8.85% due 9/15/07 - 144A{.} ........................   USD            2,108,000      2,026,315         0.5
    TV Azteca, S.A. de C.V., 10.5% due 2/15/07 -
     144A{.} .............................................   USD            1,300,000      1,324,258         0.3
    Copamex Industrias S.A., 11.375% due 4/30/04 -
     144A{.} .............................................   USD            1,134,000      1,238,895         0.3
    Dine, S.A. de C.V., 8.75% due 10/15/07 - 144A{.} .....   USD            1,140,000      1,077,300         0.3
    Hylsa, S.A. de C.V., 9.25% due 9/15/07{.} ............   USD              760,000        729,600         0.2
  Russia (0.7%)
    Lukinter Finance BV Convertible, 3.5% due 5/6/02 -
     144A{.} .............................................   USD            1,526,000      2,052,470         0.5
    Mosenergo Finance BV, 8.375% due 10/9/02 - 144A{.} ...   USD            1,040,000        915,200         0.2
  South Africa (0.2%)
    Eskom, 11% due 6/1/08 ................................   ZAR            6,175,000      1,022,806         0.2
  United States (1.3%)
    Chase Manhattan Corp., 6.25% due 1/15/06{z} ..........   USD            2,835,000      2,774,864         0.7
    General Motors Acceptance Corp., 6.625% due
     10/15/05 ............................................   USD            2,700,000      2,719,405         0.6
                                                                                        ------------
Total Corporate Bonds (cost $45,203,836) .................                                44,287,480
                                                                                        ------------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F12
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                                                         PRINCIPAL         VALUE         % OF NET
FIXED INCOME INVESTMENTS                                    CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Mortgage Backed (9.9%)
  United States (9.9%)
    Government National Mortgage Association TBA Pass Thru
     Pool, 6.5% due11/15/27{*} ...........................   USD           28,000,000   $ 27,693,764         6.6
    Federal National Mortgage Association Pool:
      #313439, 7% due 3/1/04 .............................   USD            9,718,752      9,837,204         2.3
      7.25% due 6/20/02{./} ..............................   NZD            7,000,000      4,382,081         1.0
                                                                                        ------------
Total Mortgage Backed (cost $42,198,154) .................                                41,913,049
                                                                                        ------------
Sovereign Debt (7.3%)
  Russia (7.3%)
    Bank for Foreign Economic Affairs (Vnesheconombank)
     Loan Agreement:
      Assignment ** -/- ..................................   USD           31,585,000     28,090,723         6.7
      Participation ** -/- ...............................   DEM            4,566,000      2,429,287         0.6
                                                                                        ------------
Total Sovereign Debt (cost $16,899,775) ..................                                30,520,010
                                                                                        ------------       -----
 
TOTAL FIXED INCOME INVESTMENTS (cost $385,996,874) .......                               392,438,268        93.3
                                                                                        ------------       -----
<CAPTION>
 
                                                                         UNDERLYING        VALUE         % OF NET
OPTIONS                                                     CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
  Federal Republic of Brazil Debt Conversion Bond, Call
   Option, strike 82.25, expires 1/12/98 (cost
   $567,036) .............................................   USD           31,502,000        229,839         0.1
                                                                                        ------------       -----
    GOVERNMENT & GOVERNMENT AGENCY OBLIGATIONS
<CAPTION>
 
                                                                         PRINCIPAL         VALUE         % OF NET
SHORT-TERM INVESTMENTS                                      CURRENCY       AMOUNT         (NOTE 1)        ASSETS
- ----------------------------------------------------------  --------   --------------   ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
Commercial Paper - Discounted (6.6%)
  United States (6.6%)
    Ford Motor Credit Corp., effective yield 5.50%, due
     11/19/97{./} ........................................   USD           19,000,000     18,947,940         4.5
    General Electric Capital Corp., effective yield 5.50%,
     due 11/19/97{./ } ...................................   USD            9,000,000      8,975,340         2.1
                                                                                        ------------
Total Commercial Paper - Discounted (cost $27,923,280) ...                                27,923,280
                                                                                        ------------       -----
 
TOTAL SHORT-TERM INVESTMENTS (cost $27,923,280) ..........                              $ 27,923,280         6.6
                                                                                        ------------       -----
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F13
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                           VALUE         % OF NET
REPURCHASE AGREEMENT                                                                      (NOTE 1)        ASSETS
- ----------------------------------------------------------                              ------------   -------------
<S>                                                         <C>        <C>              <C>            <C>
  Dated October 31, 1997, with State Street Bank & Trust
   Co., due November 3, 1997, for an effective yield of
   5.57%, collateralized by $7,860,000 U.S. Treasury
   Bonds, 8.875% due 8/15/17 (market value of collateral
   is $10,311,818, including accrued interest).
   (cost $10,107,564)  ...................................                              $ 10,107,564         2.4
                                                                                        ------------       -----
 
TOTAL INVESTMENTS (cost $424,594,754)  * .................                               430,698,951       102.4
Other Assets and Liabilities .............................                               (10,075,156)       (2.4)
                                                                                        ------------       -----
 
NET ASSETS ...............................................                              $420,623,795       100.0
                                                                                        ------------       -----
                                                                                        ------------       -----
</TABLE>
 
- --------------
 
        -/-  Non-income producing security.
         **  Underlying loan agreement currently in default.
        {.}  Security exempt from registration under Rule 144A of the Securities
             Act of 1933. These securities may be resold in transactions exempt
             from registration, normally to qualified institutional buyers.
        {c}  Security issued under Regulation S. Rule 144A and additional
             restrictions may apply in the resale of such securities.
        {z}  All or part of the Fund's holdings in this security is segregated
             as collateral for written futures. See Note 1 to the Financial
             Statements.
         ++  The coupon rate shown on step-up coupon bond represents the rate at
             period end.
       {./}  All or part of the Fund's holdings in this security is segregated
             as collateral for when-issued securities or forward currency
             contracts. See Note 1 to the Financial Statements.
          +  The coupon rate shown on floating rate note represents the rate at
             period end.
        +/+  Issued with detachable warrants or value recovery rights. The
             current market value of each warrant or right is zero.
        {*}  Purchased on a forward commitment basis.
          *  For Federal income tax purposes, cost is $425,319,173 and
             appreciation (depreciation) is as follows:
 
<TABLE>
                 <S>                              <C>
                 Unrealized appreciation:         $  21,044,316
                 Unrealized depreciation:           (15,664,538)
                                                  -------------
                 Net unrealized appreciation:     $   5,379,778
                                                  -------------
                                                  -------------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F14
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                       PORTFOLIO OF INVESTMENTS  (cont'd)
 
                                October 31, 1997
 
- --------------------------------------------------------------------------------
                 FORWARD FOREIGN CURRENCY CONTRACTS OUTSTANDING
                                OCTOBER 31, 1997
<TABLE>
<CAPTION>
                                          MARKET VALUE                           UNREALIZED
                                             (U.S.       CONTRACT    DELIVERY   APPRECIATION
CONTRACTS TO BUY:                           DOLLARS)       PRICE       DATE    (DEPRECIATION)
- ----------------------------------------  ------------  -----------  --------  --------------
<S>                                       <C>           <C>          <C>       <C>
Australian Dollars......................     3,022,847      1.37155   11/6/97    $(112,283)
British Pounds..........................    16,534,161      0.62123    2/5/98      485,452
British Pounds..........................    11,608,739      0.60397    2/5/98       18,839
Danish Kroner...........................     7,886,019      6.86340    2/5/98      382,449
Deutsche Marks..........................    25,918,384      1.77087    2/5/98      818,384
Deutsche Marks..........................    24,380,246      1.81000    2/5/98    1,280,246
Deutsche Marks..........................    11,573,533      1.74950    2/5/98      228,533
Deutsche Marks..........................     5,831,060      1.70250    2/5/98      (42,655)
Deutsche Marks..........................     4,932,669      1.82070    2/5/98      286,489
Deutsche Marks..........................     3,702,605      1.77285    2/5/98      120,916
Italian Liras...........................     6,451,334  1,697.68000    2/5/98        1,355
Italian Liras...........................     3,240,396  1,766.50000    2/5/98      126,895
Netherland Guilders.....................     6,358,320      1.97453    2/5/98      144,185
Spanish Pasetas.........................     8,955,096    148.86800    2/5/98      222,526
                                          ------------                         --------------
  Total Contracts to Buy (Payable amount
   $136,434,078)........................   140,395,409                           3,961,331
                                          ------------                         --------------
THE VALUE OF CONTRACTS TO BUY AS
 PERCENTAGE OF NET ASSETS IS 33.38%.
 
<CAPTION>
 
CONTRACTS TO SELL:
- ----------------------------------------
<S>                                       <C>           <C>          <C>       <C>
Australian Dollars......................     7,838,313      1.44611   11/6/97     (127,976)
Australian Dollars......................     4,674,868      1.36032   11/6/97      213,680
British Pounds..........................    11,858,437      0.61312   11/6/97     (327,267)
British Pounds..........................     4,864,140      0.63386   11/6/97     (289,013)
British Pounds..........................    11,724,826      0.62274    2/5/98     (371,820)
Canadian Dollars........................     1,774,056      1.38250   11/6/97       34,262
Danish Kroner...........................     7,847,141      6.95000   11/6/97     (437,069)
Deutsche Marks..........................    44,512,909      1.71600    2/5/98      (27,133)
Deutsche Marks..........................    16,981,429      1.72000    2/5/98      (49,819)
Deutsche Marks..........................    15,337,714      1.71800    2/5/98      (27,194)
Deutsche Marks..........................     3,280,903      1.71600    2/5/98       (2,000)
Italian Lira............................     9,691,730  1,696.15000    2/5/98        6,705
Netherland Guilders.....................     6,321,484      2.05140   11/6/97     (340,203)
New Zealand Dollars.....................    12,132,719      1.57878   11/6/97      212,247
South African Rand......................     7,285,042      5.04500   1/30/98     (160,681)
Spanish Pesetas.........................     8,939,623    154.70000   11/6/97     (536,262)
                                          ------------                         --------------
  Total Contracts to Sell (Receivable
   amount $172,835,791).................   175,065,334                          (2,229,543)
                                          ------------                         --------------
THE VALUE OF CONTRACTS TO SELL AS
 PERCENTAGE OF NET ASSETS IS 41.62%.
  Total Open Forward Foreign Currency
   Contracts, Net.......................                                         $1,731,788
                                                                               --------------
                                                                               --------------
</TABLE>
 
- --------------
See Note 1 to the financial statements.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                     WRITTEN FUTURES CONTRACTS OUTSTANDING
                                OCTOBER 31, 1997
 
<TABLE>
<CAPTION>
                                           MATURITY     NO. OF                  MARKET
DESCRIPTION                                  DATE      CONTRACTS   CURRENCY     VALUE
- ----------------------------------------  ----------   ---------   --------   ----------
<S>                                       <C>          <C>         <C>        <C>
U.S. 10-Year Bond Future (face
 $8,849,548)............................    12/19/97      80         USD      $8,902,400
</TABLE>
 
- ----------------
See Note 1 to the financial statements.
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F15
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                              STATEMENTS OF ASSETS
                                 AND LIABILITIES
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                               GT GLOBAL
                                                                                  ------------------------------------
                                                                                                  HIGH
                                                                                                 INCOME
                                                                                  GOVERNMENT      FUND-     STRATEGIC
                                                                                    INCOME     CONSOLIDATED   INCOME
                                                                                     FUND       (NOTE 1)       FUND
                                                                                  -----------  -----------  ----------
<S>                                                                               <C>          <C>          <C>
Assets:
  Investments in securities, at value (cost $290,266,878; $343,761,865; and
   $424,594,754, respectively) (Note 1).........................................  $290,274,619 3$48,124,783 $430,698,951
  U.S. currency.................................................................           63     598,195      906,033
  Foreign Currencies (Cost $562,392; $2,793,297; and $740,247, respectively)....      572,795   2,785,516      734,313
  Interest receivable...........................................................    5,620,712   6,748,730    7,672,126
  Receivable for Fund shares sold...............................................    1,790,045     757,060      523,422
  Receivable for open forward foreign currency contracts (Note 1)...............    3,976,639          --    1,731,788
  Receivable for securities sold................................................   12,795,967  21,411,490   16,967,090
  Miscellaneous receivable......................................................           --      17,246      105,000
                                                                                  -----------  -----------  ----------
    Total assets................................................................  315,030,840  380,443,020  459,338,723
                                                                                  -----------  -----------  ----------
Liabilities:
  Payable for custodian fees (Note 1)...........................................       13,985      19,132       31,825
  Payable for Directors' and Trustees' fees and expenses (Note 2)...............        7,943      10,881        5,472
  Payable for forward foreign currency contracts -- closed (Note 1).............    6,013,174          --    3,799,153
  Payable for fund accounting fees (Note 2).....................................        6,285       9,778        9,847
  Payable for Fund shares repurchased (Note 2)..................................   13,090,101   3,038,650    1,446,639
  Payable for investment management and administration fees (Note 2)............      177,596     341,976      278,408
  Payable for loan outstanding (Note 1).........................................    4,451,000          --           --
  Payable for open forward foreign currency contracts (Note 1)..................           --     877,240           --
  Payable for printing and postage expenses.....................................      109,344      79,859       85,448
  Payable for professional fees.................................................       37,427      52,845       28,107
  Payable for registration and filing fees......................................       16,015       5,502       14,782
  Payable for securities purchased..............................................    8,707,277   9,848,640   32,628,138
  Payable for service and distribution expenses (Note 2)........................      160,788     285,897      310,485
  Payable for transfer agent fees (Note 2)......................................      121,280      60,286       63,713
  Payable for variation margin..................................................           --          --        5,000
  Payable for written options, at value.........................................          406          --           --
  Other accrued expenses........................................................        8,741      19,823        7,911
                                                                                  -----------  -----------  ----------
    Total liabilities...........................................................   32,921,362  14,650,509   38,714,928
    Minority interest (Notes 1 & 2).............................................           --         100           --
                                                                                  -----------  -----------  ----------
Net assets......................................................................  $282,109,478 3$65,792,411 $420,623,795
                                                                                  -----------  -----------  ----------
                                                                                  -----------  -----------  ----------
Class A:
Net asset value and offering price per share ($154,272,250 DIVIDED BY
 17,888,878; $133,972,818 DIVIDED BY 8,609,881; and $138,714,970 DIVIDED BY
 11,557,042 shares outstanding, respectively)...................................  $      8.62   $   15.56   $    12.00
                                                                                  -----------  -----------  ----------
                                                                                  -----------  -----------  ----------
Maximum offering price per share (100/95.25 of $8.62; 100/95.25 of $15.56; and
 100/95.25 of $12.00, respectively) *...........................................  $      9.05   $   16.34   $    12.60
                                                                                  -----------  -----------  ----------
                                                                                  -----------  -----------  ----------
Class B:+
Net asset value and offering price per share ($127,721,696 DIVIDED BY
 14,819,308; $228,100,869 DIVIDED BY 14,675,701; and $281,375,602 DIVIDED BY
 23,423,332 shares outstanding, respectively)...................................  $      8.62   $   15.54   $    12.01
                                                                                  -----------  -----------  ----------
                                                                                  -----------  -----------  ----------
Advisor Class:
Net asset value, offering price per share, and redemption price per share
 ($115,532 DIVIDED BY 13,411; $3,718,724 DIVIDED BY 239,667; and $533,223
 DIVIDED BY 44,355 shares outstanding, respectively)............................  $      8.61   $   15.52   $    12.02
                                                                                  -----------  -----------  ----------
                                                                                  -----------  -----------  ----------
Net assets consist of:
  Paid in capital (Note 4)......................................................  $424,806,101 2$94,116,233 $485,352,425
  Undistributed net investment income/(distribution in excess of income)........           --     303,600   (3,351,006)
  Accumulated net realized gain (loss) on investments...........................  (146,657,834) 67,929,136  (69,137,537)
  Net unrealized appreciation (depreciation) on translation of assets and
   liabilities in foreign currencies............................................    3,909,203    (919,476)   1,745,551
  Net unrealized appreciation of investments....................................       52,008   4,362,918    6,014,362
                                                                                  -----------  -----------  ----------
Total -- representing net assets applicable to capital shares outstanding.......  $282,109,478 3$65,792,411 $420,623,795
                                                                                  -----------  -----------  ----------
                                                                                  -----------  -----------  ----------
<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.
 
                                      F16
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                            STATEMENTS OF OPERATIONS
 
                          Year ended October 31, 1997
 
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                  GT GLOBAL
                                                                    -------------------------------------
                                                                                    HIGH
                                                                                   INCOME
                                                                    GOVERNMENT      FUND-      STRATEGIC
                                                                      INCOME     CONSOLIDATED   INCOME
                                                                       FUND       (NOTE 1)       FUND
                                                                    -----------  -----------  -----------
<S>                                                                 <C>          <C>          <C>
Investment income:
  Interest income.................................................  $24,435,113  $40,562,334  $36,075,707
  Other income....................................................       51,190           --       26,003
                                                                    -----------  -----------  -----------
    Total investment income.......................................   24,486,303   40,562,334   36,101,710
                                                                    -----------  -----------  -----------
Expenses:
  Investment management and administration fees (Note 2)..........    2,403,043    4,107,638    3,474,804
  Amortization of organization costs (Note 1).....................           --       34,678           --
  Custodian Fees (Note 1).........................................      203,911      182,500      256,523
  Directors' and Trustees' fees and expenses (Note 2).............       14,600       19,345       13,962
  Fund accounting fees (Note 2)...................................       85,149      116,607      123,309
  Printing and postage expenses...................................      131,035       88,337      144,457
  Professional fees...............................................       79,570      119,674       81,841
  Registration and filing fees (Note 1)...........................       52,925       68,590       44,726
  Service and distribution expenses: (Note 2)
    Class A.......................................................      672,237      605,133      560,886
    Class B.......................................................    1,392,802    2,653,190    3,185,408
  Transfer agent fees (Note 2)....................................      734,235      676,490      831,440
  Other expenses (Note 1).........................................      132,382      187,152      264,542
                                                                    -----------  -----------  -----------
    Total expenses before reductions..............................    5,901,889    8,859,334    8,981,898
                                                                    -----------  -----------  -----------
    Expense reductions (Note 1)...................................     (543,589)    (234,784)    (460,682)
                                                                    -----------  -----------  -----------
  Total net expenses..............................................    5,358,300    8,624,550    8,521,216
                                                                    -----------  -----------  -----------
Net investment income.............................................   19,128,003   31,937,784   27,580,494
                                                                    -----------  -----------  -----------
Net realized and unrealized gain (loss) on investments: (Note 1)
  Net realized gain (loss) on investments.........................   (6,424,453)  65,778,885   35,321,536
  Net realized gain on foreign currency transactions..............    6,670,567    3,923,861    4,176,477
                                                                    -----------  -----------  -----------
    Net realized gain during the year.............................      246,114   69,702,746   39,498,013
                                                                    -----------  -----------  -----------
  Net change in unrealized appreciation(depreciation) on
   translation of assets and liabilities in foreign currencies....    5,553,094   (1,099,793)   2,627,595
  Net change in unrealized appreciation of investments............  (11,452,067) (36,470,606) (26,190,807)
                                                                    -----------  -----------  -----------
    Net unrealized depreciation during the year...................   (5,898,973) (37,570,399) (23,563,212)
                                                                    -----------  -----------  -----------
Net realized and unrealized gain (loss) on investments and foreign
 currencies.......................................................   (5,652,859)  32,132,347   15,934,801
                                                                    -----------  -----------  -----------
Net increase in net assets resulting from operations..............  $13,475,144  $64,070,131  $43,515,295
                                                                    -----------  -----------  -----------
                                                                    -----------  -----------  -----------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F17
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                      STATEMENTS OF CHANGES IN NET ASSETS
<TABLE>
<S>                                       <C>          <C>          <C>          <C>          <C>          <C>
- --------------------------------------------------------------------------------
 
<CAPTION>
<S>                                       <C>          <C>          <C>          <C>          <C>          <C>
<CAPTION>
                                                                           GT GLOBAL
                                          ----------------------------------------------------------------------------
                                                                          HIGH INCOME
                                           GOVERNMENT INCOME FUND      FUND-CONSOLIDATED       STRATEGIC INCOME FUND
                                          ------------------------  ------------------------  ------------------------
                                          YEAR ENDED   YEAR ENDED   YEAR ENDED   YEAR ENDED   YEAR ENDED   YEAR ENDED
                                          OCTOBER 31,  OCTOBER 31,  OCTOBER 31,  OCTOBER 31,  OCTOBER 31,  OCTOBER 31,
                                             1997         1996         1997         1996         1997         1996
                                          -----------  -----------  -----------  -----------  -----------  -----------
<S>                                       <C>          <C>          <C>          <C>          <C>          <C>
Increase (decrease) in net assets
Operations:
  Net investment income.................  $19,128,003  $31,802,934  $31,937,784  $37,117,017  $27,580,494  $40,286,756
  Net realized gain (loss) on
   investments and foreign currency
   transactions.........................      246,114   (1,896,895)  69,702,746   62,517,472   39,498,013   36,675,981
  Net change in unrealized appreciation
   (depreciation) on translation of
   assets and liabilities in foreign
   currencies...........................    5,553,094    2,319,205   (1,099,793)     174,082    2,627,595    1,913,734
  Net change in unrealized appreciation
   (depreciation) of investments........  (11,452,067)  (1,121,083) (36,470,606)  31,730,913  (26,190,807)  27,794,834
                                          -----------  -----------  -----------  -----------  -----------  -----------
    Net increase in net assets resulting
     from operations....................   13,475,144   31,104,161   64,070,131  131,539,484   43,515,295  106,671,305
                                          -----------  -----------  -----------  -----------  -----------  -----------
Class A:
Distributions to shareholders: (Note 1)
  From net investment income............   (6,827,721) (15,504,590) (12,555,399) (13,418,057) (10,228,265) (12,520,881)
  From net realized gain on
   investments..........................           --   (8,183,323)  (2,751,509)  (1,230,117)          --           --
  In excess of net investment income....   (4,449,488)          --           --           --     (775,601)  (1,097,884)
Class B:
Distributions to shareholders: (Note 1)
  From net investment income............   (4,503,257)  (9,165,193) (17,789,317) (18,753,394) (18,434,103) (22,200,673)
  From net realized gain on
   investments..........................           --   (5,303,358)  (3,911,565)  (1,719,241)          --           --
  In excess of net investment income....   (2,934,682)          --           --           --   (1,397,843)  (1,946,649)
Advisor Class:
Distributions to shareholders: (Note 1)
  From net investment income............       (4,070)      (7,915)  (1,289,469)    (505,715)     (43,148)     (46,547)
  From net realized gain on
   investments..........................           --       (2,893)    (264,339)     (46,362)          --           --
  In excess of net investment income....       (2,653)          --           --           --       (3,272)      (4,081)
                                          -----------  -----------  -----------  -----------  -----------  -----------
    Total distributions.................  (18,721,871) (38,167,272) (38,561,598) (35,672,886) (30,882,232) (37,816,715)
                                          -----------  -----------  -----------  -----------  -----------  -----------
Capital share transactions: (Note 4)
  Increase from capital shares sold and
   reinvested...........................  667,541,828  386,482,407  561,523,639  583,133,415  335,031,026  335,665,174
  Decrease from capital shares
   repurchased..........................  (787,794,141) (592,826,606) (665,858,246) (592,743,855) (445,823,540) (432,196,117)
                                          -----------  -----------  -----------  -----------  -----------  -----------
    Net decrease from capital share
     transactions.......................  (120,252,313) (206,344,199) (104,334,607)  (9,610,440) (110,792,514) (96,530,943)
                                          -----------  -----------  -----------  -----------  -----------  -----------
Total increase (decrease) in net
 assets.................................  (125,499,040) (213,407,310) (78,826,074)  86,256,158 (98,159,451) (27,676,353)
Net assets:
  Beginning of year.....................  407,608,518  621,015,828  444,618,485  358,362,327  518,783,246  546,459,599
                                          -----------  -----------  -----------  -----------  -----------  -----------
  End of year  *........................  $282,109,478 $407,608,518 $365,792,411 $444,618,485 $420,623,795 $518,783,246
                                          -----------  -----------  -----------  -----------  -----------  -----------
                                          -----------  -----------  -----------  -----------  -----------  -----------
 * Includes undistributed (distributions
   in excess of) net investment income..  $        --  $   364,918  $   303,600  $        --  $(3,351,006) $        --
                                          -----------  -----------  -----------  -----------  -----------  -----------
                                          -----------  -----------  -----------  -----------  -----------  -----------
</TABLE>
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F18
<PAGE>
                        GT GLOBAL GOVERNMENT INCOME FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout each period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
 
                                                                   CLASS A
                                          ----------------------------------------------------------
                                                            YEAR ENDED OCTOBER 31,
                                          ----------------------------------------------------------
                                           1997 (D)    1996 (D)    1995 (D)    1994 (D)    1993 (D)
                                          ----------  ----------  ----------  ----------  ----------
<S>                                       <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $    8.74   $    8.81   $    8.63   $   11.07   $    9.83
                                          ----------  ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income.................       0.52        0.57        0.62        0.65        0.74
  Net realized and unrealized gain
   (loss) on investments................      (0.13)       0.03        0.15       (1.52)       1.34
                                          ----------  ----------  ----------  ----------  ----------
    Net increase (decrease) from
     investment operations..............       0.39        0.60        0.77       (0.87)       2.08
                                          ----------  ----------  ----------  ----------  ----------
Distributions to shareholders:
  From net investment income............      (0.31)      (0.57)      (0.59)      (0.65)      (0.74)
  From net realized gain on
   investments..........................         --       (0.10)         --       (0.27)         --
  In excess of net investment income....      (0.20)         --          --          --          --
  In excess of net realized gain on
   investments..........................         --          --          --       (0.55)         --
  Return of capital.....................         --          --          --       (0.10)         --
  From sources other than net investment
   income...............................         --          --          --          --       (0.10)
                                          ----------  ----------  ----------  ----------  ----------
    Total distributions.................      (0.51)      (0.67)      (0.59)      (1.57)      (0.84)
                                          ----------  ----------  ----------  ----------  ----------
Net asset value, end of period..........  $    8.62   $    8.74   $    8.81   $    8.63   $   11.07
                                          ----------  ----------  ----------  ----------  ----------
                                          ----------  ----------  ----------  ----------  ----------
 
Total investment return (c).............       4.78%       7.11%       9.22%      (8.87)%      21.9%
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 154,272   $ 240,945   $ 385,404   $ 502,094   $ 708,301
Ratio of net investment income to
 average net assets.....................       6.04%       6.52%       6.98%       6.87%        7.1%
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......       1.34%       1.34%       1.35%       1.33%        1.4%
  Without expense reductions............       1.51%       1.39%       1.38%        N/A         N/A
Portfolio turnover rate++...............        241%        268%        385%        625%        495%
</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 year.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares.
N/A  Not Applicable.
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F19
<PAGE>
                        GT GLOBAL GOVERNMENT INCOME FUND
 
                         FINANCIAL HIGHLIGHTS  (cont'd)
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout each period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
 
                                                                   CLASS B
                                          ----------------------------------------------------------
                                                            YEAR ENDED OCTOBER 31,
                                          ----------------------------------------------------------
                                           1997 (D)    1996 (D)    1995 (D)    1994 (D)    1993 (D)
                                          ----------  ----------  ----------  ----------  ----------
<S>                                       <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $    8.74   $    8.80   $    8.64   $   11.07   $    9.83
                                          ----------  ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income.................       0.46        0.51        0.55        0.59        0.67
  Net realized and unrealized gain
   (loss) on investments................      (0.12)       0.04        0.14       (1.52)       1.34
                                          ----------  ----------  ----------  ----------  ----------
    Net increase (decrease) from
     investment operations..............       0.34        0.55        0.69       (0.93)       2.01
                                          ----------  ----------  ----------  ----------  ----------
Distributions to shareholders:
  From net investment income............      (0.28)      (0.51)      (0.53)      (0.59)      (0.67)
  From net realized gain on
   investments..........................         --       (0.10)         --       (0.27)         --
  In excess of net investment income....      (0.18)         --          --          --          --
  In excess of net realized gain on
   investments..........................         --          --          --       (0.54)         --
  Return of capital.....................         --          --          --       (0.10)         --
  From sources other than net investment
   income...............................         --          --          --          --       (0.10)
                                          ----------  ----------  ----------  ----------  ----------
    Total distributions.................      (0.46)      (0.61)      (0.53)      (1.50)      (0.77)
                                          ----------  ----------  ----------  ----------  ----------
Net asset value, end of period..........  $    8.62   $    8.74   $    8.80   $    8.64   $   11.07
                                          ----------  ----------  ----------  ----------  ----------
                                          ----------  ----------  ----------  ----------  ----------
 
Total investment return (c).............       4.00%       6.54%       8.22%      (9.39)%      21.1%
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 127,722   $ 166,577   $ 235,481   $ 262,405   $ 182,972
Ratio of net investment income to
 average net assets.....................       5.39%       5.87%       6.33%       6.22%        6.5%
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......       1.99%       1.99%       2.00%       1.98%        2.0%
  Without expense reductions............       2.16%       2.04%       2.03%        N/A         N/A
Portfolio turnover rate++...............        241%        268%        385%        625%        495%
</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 year.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares.
N/A  Not Applicable.
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F20
<PAGE>
                        GT GLOBAL GOVERNMENT INCOME FUND
 
                         FINANCIAL HIGHLIGHTS  (cont'd)
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout each period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
                                                       ADVISOR CLASS+
                                          -----------------------------------------
                                                                      JUNE 1, 1995
                                           YEAR ENDED    YEAR ENDED        TO
                                          OCTOBER 31,   OCTOBER 31,    OCTOBER 31,
                                            1997 (D)      1996 (D)      1995 (D)
                                          ------------  ------------  -------------
<S>                                       <C>           <C>           <C>
Per Share Operating Performance:
Net asset value, beginning of period....   $    8.73     $    8.80      $    8.98
                                          ------------  ------------  -------------
Income from investment operations:
  Net investment income.................        0.55          0.60           0.26
  Net realized and unrealized gain
   (loss) on investments................       (0.13)         0.03          (0.19)
                                          ------------  ------------  -------------
    Net increase (decrease) from
     investment operations..............        0.42          0.63           0.07
                                          ------------  ------------  -------------
Distributions to shareholders:
  From net investment income............       (0.33)        (0.60)         (0.25)
  From net realized gain on
   investments..........................          --         (0.10)            --
  In excess of net investment income....       (0.21)           --             --
  In excess of net realized gain on
   investments..........................          --            --             --
  Return of capital.....................          --            --             --
  From sources other than net investment
   income...............................          --            --             --
                                          ------------  ------------  -------------
    Total distributions.................       (0.54)        (0.70)         (0.25)
                                          ------------  ------------  -------------
Net asset value, end of period..........   $    8.61     $    8.73      $    8.80
                                          ------------  ------------  -------------
                                          ------------  ------------  -------------
 
Total investment return (c).............        5.15 %        7.49 %         0.83%(b)
Ratios and supplemental data:
Net assets, end of period (in 000's)....   $     116     $      86      $     131
Ratio of net investment income to
 average net assets.....................        6.39 %        6.87 %         7.33%(a)
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......        0.99 %        0.99 %         1.00%(a)
  Without expense reductions............        1.16 %        1.04 %         1.03%(a)
Portfolio turnover rate++...............         241 %         268 %          385%
</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 year.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares.
N/A  Not Applicable.
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F21
<PAGE>
                           GT GLOBAL HIGH INCOME FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout the period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
 
                                                                   CLASS A
                                          ----------------------------------------------------------
                                                            YEAR ENDED OCTOBER 31,
                                          ----------------------------------------------------------
                                           1997 (D)    1996 (D)      1995      1994 (D)    1993 (D)
                                          ----------  ----------  ----------  ----------  ----------
<S>                                       <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $   14.85   $   11.70   $   12.56   $   14.92   $   11.43
                                          ----------  ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income.................       1.19        1.27        1.35        0.94        0.78
  Net realized and unrealized gain
   (loss) on investments................       0.93        3.09       (1.09)      (1.87)       3.92
                                          ----------  ----------  ----------  ----------  ----------
    Net increase (decrease) from
     investment operations..............       2.12        4.36        0.26       (0.93)       4.70
                                          ----------  ----------  ----------  ----------  ----------
Distributions to shareholders:
  From net investment income............      (1.18)      (1.11)      (1.03)      (0.94)      (0.78)
  From net realized gain on
   investments..........................      (0.23)      (0.10)      (0.03)      (0.27)         --
  In excess of net realized gain on
   investments..........................         --          --          --       (0.22)         --
  Return of capital.....................         --          --       (0.06)         --          --
  From sources other than net investment
   income...............................         --          --          --          --       (0.43)
                                          ----------  ----------  ----------  ----------  ----------
    Total distributions.................      (1.41)      (1.21)      (1.12)      (1.43)      (1.21)
                                          ----------  ----------  ----------  ----------  ----------
Net asset value, end of period..........  $   15.56   $   14.85   $   11.70   $   12.56   $   14.92
                                          ----------  ----------  ----------  ----------  ----------
                                          ----------  ----------  ----------  ----------  ----------
 
Total investment return (c).............      14.46%      39.05%       2.81%      (6.45)%      43.6%
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 133,973   $ 178,318   $ 142,002   $ 167,974   $ 143,171
Ratio of net investment income to
 average net assets.....................       7.39%       9.52%      11.85%       7.00%       6.40%
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......       1.53%       1.69%       1.75%       1.57%       2.20%
  Without expense reductions............       1.58%       1.69%       1.75%       1.57%       2.20%
Ratio of interest expense to average net
 assets.................................        N/A        0.04%        N/A        0.22%        N/A
Portfolio turnover rate++...............        214%        290%        213%        178%        195%
</TABLE>
 
- ----------------
 
 (a) Annualized
 (b) Not annualized
 (c) Total investment return does not include sales charges.
 (d) These selected per share operating data were calculated based upon
     average shares outstanding during the year.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the fund as a whole
     without distinguishing among the classes of shares issued.
N/A  Not Applicable
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F22
<PAGE>
                           GT GLOBAL HIGH INCOME FUND
 
                         FINANCIAL HIGHLIGHTS  (cont'd)
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout the period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
 
                                                                   CLASS B
                                          ----------------------------------------------------------
                                                            YEAR ENDED OCTOBER 31,
                                          ----------------------------------------------------------
                                           1997 (D)    1996 (D)      1995      1994 (D)    1993 (D)
                                          ----------  ----------  ----------  ----------  ----------
<S>                                       <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $   14.83   $   11.69   $   12.56   $   14.90   $   11.43
                                          ----------  ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income.................       1.09        1.17        1.27        0.86        0.70
  Net realized and unrealized gain
   (loss) on investments................       0.93        3.09       (1.09)      (1.85)       3.90
                                          ----------  ----------  ----------  ----------  ----------
    Net increase (decrease) from
     investment operations..............       2.02        4.26        0.18       (0.99)       4.60
                                          ----------  ----------  ----------  ----------  ----------
Distributions to shareholders:
  From net investment income............      (1.08)      (1.03)      (0.96)      (0.86)      (0.70)
  From net realized gain on
   investments..........................      (0.23)      (0.09)      (0.03)      (0.27)         --
  In excess of net realized gain on
   investments..........................         --          --          --       (0.22)         --
  Return of capital.....................         --          --       (0.06)         --          --
  From sources other than net investment
   income...............................         --          --          --          --       (0.43)
                                          ----------  ----------  ----------  ----------  ----------
    Total distributions.................      (1.31)      (1.12)      (1.05)      (1.35)      (1.13)
                                          ----------  ----------  ----------  ----------  ----------
Net asset value, end of period..........  $   15.54   $   14.83   $   11.69   $   12.56   $   14.90
                                          ----------  ----------  ----------  ----------  ----------
                                          ----------  ----------  ----------  ----------  ----------
 
Total investment return (c).............      13.77%      38.16%       2.07%      (6.99)%      42.6%
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 228,101   $ 251,002   $ 214,897   $ 232,423   $ 127,035
Ratio of net investment income to
 average net assets.....................       6.74%       8.87%      11.20%       6.35%        5.8%
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......       2.18%       2.34%       2.40%       2.22%        2.8%
  Without expense reductions............       2.23%       2.34%       2.40%       2.22%        2.8%
Ratio of interest expense to average net
 assets.................................        N/A        0.04%        N/A        0.22%        N/A
Portfolio turnover rate++...............        214%        290%        213%        178%        195%
</TABLE>
 
- ----------------
 
 (a) Annualized
 (b) Not annualized
 (c) Total investment return does not include sales charges.
 (d) These selected per share operating data were calculated based upon
     average shares outstanding during the year.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the fund as a whole
     without distinguishing among the classes of shares issued.
N/A  Not Applicable
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F23
<PAGE>
                           GT GLOBAL HIGH INCOME FUND
 
                         FINANCIAL HIGHLIGHTS  (cont'd)
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout the period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
 
                                                      ADVISOR CLASS+
                                          --------------------------------------
                                                                    JUNE 1, 1995
                                          YEAR ENDED   YEAR ENDED        TO
                                          OCTOBER 31,  OCTOBER 31,  OCTOBER 31,
                                           1997 (D)     1996 (D)        1995
                                          -----------  -----------  ------------
<S>                                       <C>          <C>          <C>
Per Share Operating Performance:
Net asset value, beginning of period....   $   14.83    $   11.71    $   11.44
                                          -----------  -----------  ------------
Income from investment operations:
  Net investment income.................        1.22         1.34         0.57
  Net realized and unrealized gain
   (loss) on investments................        0.93         3.05         0.17
                                          -----------  -----------  ------------
    Net increase (decrease) from
     investment operations..............        2.15         4.39         0.74
                                          -----------  -----------  ------------
Distributions to shareholders:
  From net investment income............       (1.23)       (1.16)       (0.44)
  From net realized gain on
   investments..........................       (0.23)       (0.11)          --
  In excess of net realized gain on
   investments..........................          --           --           --
  Return of capital.....................          --           --        (0.03)
  From sources other than net investment
   income...............................          --           --           --
                                          -----------  -----------  ------------
    Total distributions.................       (1.46)       (1.27)       (0.47)
                                          -----------  -----------  ------------
Net asset value, end of period..........   $   15.52    $   14.83    $   11.71
                                          -----------  -----------  ------------
                                          -----------  -----------  ------------
 
Total investment return (c).............       14.72%       39.38%        6.54 %(b)
Ratios and supplemental data:
Net assets, end of period (in 000's)....   $   3,719    $  15,298    $   1,463
Ratio of net investment income to
 average net assets.....................        7.74%        9.87%       12.20 %(a)
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......        1.18%        1.34%        1.40 %(a)
  Without expense reductions............        1.23%        1.34%        1.40 %
Ratio of interest expense to average net
 assets.................................         N/A         0.04%         N/A
Portfolio turnover rate++...............         214%         290%         213 %(a)
</TABLE>
 
- ----------------
 
 (a) Annualized
 (b) Not annualized
 (c) Total investment return does not include sales charges.
 (d) These selected per share operating data were calculated based upon
     average shares outstanding during the year.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the fund as a whole
     without distinguishing among the classes of shares issued.
N/A  Not Applicable
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F24
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                              FINANCIAL HIGHLIGHTS
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout each period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
 
                                                                   CLASS A
                                          ----------------------------------------------------------
                                                            YEAR ENDED OCTOBER 31,
                                          ----------------------------------------------------------
                                             1997      1996 (D)    1995 (D)      1994      1993 (D)
                                          ----------  ----------  ----------  ----------  ----------
<S>                                       <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $   11.76   $   10.32   $   10.88   $   13.61   $   11.25
                                          ----------  ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income.................       0.74        0.89        0.97        0.79        0.96
  Net realized and unrealized gain
   (loss) on investments................       0.34        1.44       (0.69)      (2.14)       2.85
                                          ----------  ----------  ----------  ----------  ----------
    Net increase (decrease) from
     investment operations..............       1.08        2.33        0.28       (1.35)       3.81
                                          ----------  ----------  ----------  ----------  ----------
Distributions to shareholders:
  From net investment income............      (0.78)      (0.82)      (0.80)      (0.79)      (0.96)
  From net realized gain on
   investments..........................         --          --          --       (0.38)      (0.37)
  In excess of net investment income....      (0.06)      (0.07)         --          --          --
  Return of capital.....................         --          --       (0.04)      (0.21)         --
  From sources other than net investment
   income...............................         --          --          --          --       (0.12)
                                          ----------  ----------  ----------  ----------  ----------
    Total distributions.................      (0.84)      (0.89)      (0.84)      (1.38)      (1.45)
                                          ----------  ----------  ----------  ----------  ----------
Net asset value, end of period..........  $   12.00   $   11.76   $   10.32   $   10.88   $   13.61
                                          ----------  ----------  ----------  ----------  ----------
                                          ----------  ----------  ----------  ----------  ----------
 
Total investment return (c).............       9.40%      23.00%       3.06%     (10.44)%      37.0%
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 138,715   $ 185,126   $ 188,165   $ 275,241   $ 287,870
Ratio of net investment income to
 average net assets.....................       6.18%       8.09%       9.64%       6.74%        7.2%
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......       1.35%       1.38%       1.42%       1.40%        1.7%
  Without expense reductions............       1.44%       1.40%       1.45%        N/A         N/A
Ratio of interest expenses to average
 net assets.............................        N/A         N/A         N/A        0.10%        N/A
Portfolio turnover rate++...............        149%        177%        238%        583%        310%
</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.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
N/A  Not Applicable
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F25
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                         FINANCIAL HIGHLIGHTS  (cont'd)
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout each period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
 
                                                                   CLASS B
                                          ----------------------------------------------------------
                                                            YEAR ENDED OCTOBER 31,
                                          ----------------------------------------------------------
                                             1997      1996 (D)    1995 (D)      1994      1993 (D)
                                          ----------  ----------  ----------  ----------  ----------
<S>                                       <C>         <C>         <C>         <C>         <C>
Per Share Operating Performance:
Net asset value, beginning of period....  $   11.77   $   10.33   $   10.88   $   13.60   $   11.24
                                          ----------  ----------  ----------  ----------  ----------
Income from investment operations:
  Net investment income.................       0.67        0.82        0.91        0.73        0.89
  Net realized and unrealized gain
   (loss) on investments................       0.33        1.44       (0.69)      (2.14)       2.85
                                          ----------  ----------  ----------  ----------  ----------
    Net increase (decrease) from
     investment operations..............       1.00        2.26        0.22       (1.41)       3.74
                                          ----------  ----------  ----------  ----------  ----------
Distributions to shareholders:
  From net investment income............      (0.71)      (0.75)      (0.73)      (0.72)      (0.89)
  From net realized gain on
   investments..........................         --          --          --       (0.38)      (0.37)
  In excess of net investment income....      (0.05)      (0.07)         --          --          --
  Return of capital.....................         --          --       (0.04)      (0.21)         --
  From sources other than net investment
   income...............................         --          --          --          --       (0.12)
                                          ----------  ----------  ----------  ----------  ----------
    Total distributions.................      (0.76)      (0.82)      (0.77)      (1.31)      (1.38)
                                          ----------  ----------  ----------  ----------  ----------
Net asset value, end of period..........  $   12.01   $   11.77   $   10.33   $   10.88   $   13.60
                                          ----------  ----------  ----------  ----------  ----------
                                          ----------  ----------  ----------  ----------  ----------
 
Total investment return (c).............       8.70%      22.15%       2.48%     (11.02)%      36.2%
Ratios and supplemental data:
Net assets, end of period (in 000's)....  $ 281,376   $ 333,178   $ 357,852   $ 458,550   $ 310,431
Ratio of net investment income to
 average net assets.....................       5.53%       7.44%       8.99%       6.09%        6.5%
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......       2.00%       2.03%       2.07%       2.05%        2.4%
  Without expense reductions............       2.09%       2.05%       2.10%        N/A         N/A
Ratio of interest expenses to average
 net assets.............................        N/A         N/A         N/A        0.10%        N/A
Portfolio turnover rate++...............        149%        177%        238%        583%        310%
</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.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
N/A  Not Applicable
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F26
<PAGE>
                        GT GLOBAL STRATEGIC INCOME FUND
 
                         FINANCIAL HIGHLIGHTS  (cont'd)
 
- --------------------------------------------------------------------------------
Contained below is per share operating performance data for a share outstanding
throughout each period, total investment return, ratios and supplemental data.
This information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
                                                       ADVISOR CLASS+
                                          -----------------------------------------
                                                                      JUNE 1, 1995
                                           YEAR ENDED    YEAR ENDED        TO
                                          OCTOBER 31,   OCTOBER 31,    OCTOBER 31,
                                              1997        1996 (D)      1995 (D)
                                          ------------  ------------  -------------
<S>                                       <C>           <C>           <C>
Per Share Operating Performance:
Net asset value, beginning of period....   $   11.77     $   10.33      $   10.32
                                          ------------  ------------  -------------
Income from investment operations:
  Net investment income.................        0.79          0.93           0.41
  Net realized and unrealized gain
   (loss) on investments................        0.34          1.44          (0.04)
                                          ------------  ------------  -------------
    Net increase (decrease) from
     investment operations..............        1.13          2.37           0.37
                                          ------------  ------------  -------------
Distributions to shareholders:
  From net investment income............       (0.82)        (0.86)         (0.34)
  From net realized gain on
   investments..........................          --            --             --
  In excess of net investment income....       (0.06)        (0.07)            --
  Return of capital.....................          --            --          (0.02)
  From sources other than net investment
   income...............................          --            --             --
                                          ------------  ------------  -------------
    Total distributions.................       (0.88)        (0.93)         (0.36)
                                          ------------  ------------  -------------
Net asset value, end of period..........   $   12.02     $   11.77      $   10.33
                                          ------------  ------------  -------------
                                          ------------  ------------  -------------
 
Total investment return (c).............        9.86 %       23.39 %         3.72%(b)
Ratios and supplemental data:
Net assets, end of period (in 000's)....   $     533     $     479      $     443
Ratio of net investment income to
 average net assets.....................        6.53 %        8.44 %         9.99%(a)
Ratio of expenses to average net assets:
  With expense reductions (Note 1)......        1.00 %        1.03 %         1.07%(a)
  Without expense reductions............        1.09 %        1.05 %         1.10%(a)
Ratio of interest expenses to average
 net assets.............................         N/A           N/A            N/A
Portfolio turnover rate++...............         149 %         177 %          238%
</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.
  +  Commencing June 1, 1995, the Fund began offering Advisor Class shares.
 ++  Portfolio turnover is calculated on the basis of the Fund as a whole
     without distinguishing between the classes of shares issued.
N/A  Not Applicable
 
    The accompanying notes are an integral part of the financial statements.
 
                                      F27
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                    NOTES TO
                              FINANCIAL STATEMENTS
                                October 31, 1997
 
- --------------------------------------------------------------------------------
 
1. SIGNIFICANT ACCOUNTING POLICIES
GT Global Government Income Fund, GT Global High Income Fund, GT Global
Strategic Income Fund ("Funds") are non-diversified separate series of G.T.
Investment Funds, Inc. ("Company"). Collectively, these Funds are known as the
"GT Global Income Funds". The Company is organized as a Maryland corporation and
is registered under the Investment Company Act of 1940, as amended ("1940 Act"),
as an open-end management investment company. The Company has thirteen series of
shares in operation, each series corresponding to a distinct portfolio of
investments.
 
The GT Global High Income Fund invests substantially all of its investable
assets in Global High Income Portfolio ("Portfolio"). The Portfolio is organized
as a New York Trust and is registered under the 1940 Act as a non-diversified,
open-end management investment company.
 
The Portfolio has investment objectives, policies and limitations substantially
identical to those of its corresponding Fund. Therefore, the financial
statements of the Fund and its respective Portfolio have been presented on a
consolidated basis, and represent all activities of both the Fund and Portfolio.
Through October 31, 1997, all of the shares of beneficial interest of the
Portfolio were owned by either its Fund or Chancellor LGT Asset Management, Inc.
(the "Manager"), which has a nominal ($100) investment in the Portfolio.
 
The Funds offer Class A, Class B, and Advisor Class shares, each of which has
equal rights as to assets and voting privileges except that 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, and the
common expenses of the Funds 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
Funds. Each class of shares differs in its respective service and distribution
expenses, and may differ in its transfer agent, registration, and certain other
class-specific fees and 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 Funds in the preparation of the
financial statements.
 
(A) PORTFOLIO VALUATION
 
The Funds calculate the net asset value of and complete 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.
 
Equity securities are valued at the last sale price on the exchange on which
such securities are traded, or on the principal over-the-counter market on which
such securities are traded, as of the close of business on the day the
securities are being valued, or, lacking any sales, at the last available bid
price. In cases where securities are traded on more than one exchange, the
securities are valued on the exchange determined by the Manager to be the
primary market.
 
Fixed income investments are valued at the mean of representative quoted bid and
ask prices for such investments or, if such prices are not available, at prices
for investments of comparative maturity, quality, and type; however, when the
Manager deems it appropriate, prices obtained for the day of valuation from a
bond pricing service will be used. Short-term investments are valued at
amortized cost adjusted for foreign exchange translation and market fluctuation,
if any.
 
Investments for which market quotations are not readily available (including
restricted securities which are subject to limitations on their sale) are valued
at fair value as determined in good faith by or under the direction of the
Company's Board of Directors or the Trust's Board of Trustees.
 
Portfolio securities which are primarily traded on foreign exchanges are
generally valued at the preceding closing values of such securities on their
respective exchanges, and those values are then translated into U.S. dollars at
the current exchange rates, except that when an occurrence subsequent to the
time a value was so established is likely to have materially changed such value,
then the fair value of those securities will be determined by consideration of
other factors by or under the direction of the Company's Board of Directors or
the Trust's Board of Trustees.
 
(B) FOREIGN CURRENCY TRANSLATION
The accounting records of each Fund and Portfolio are maintained in U.S.
dollars. The market values of foreign securities, currency holdings, and other
assets and liabilities are recorded in the books and records of the Funds or
Portfolio (the phrase "Funds or Portfolio" hereinafter refers to the GT Global
Government Income Fund, the GT Global Strategic Income Fund, and the Global High
Income Portfolio) after translation to U.S. dollars based on the exchange rates
on that day. The cost of each security is determined using historical exchange
rates. Income and withholding taxes are translated at prevailing exchange rates
when earned or incurred.
 
A Fund or Portfolio does not isolate that portion of the results of operations
resulting from changes in foreign exchange rates on investments from
fluctuations arising from changes in market prices of securities held. Such
fluctuations are included with the net realized and unrealized gain or loss from
investments.
 
                                      F28
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Reported net realized foreign exchange gains or losses arise from sales and
maturities of short-term securities, forward foreign currency contracts, sales
of foreign currencies, currency gains or losses realized between the trade and
settlement dates on securities transactions, and the difference between the
amounts of dividends, interest, and foreign withholding taxes recorded on a
Fund's or Portfolio's books and the U.S. dollar equivalent of the amounts
actually received or paid. Net unrealized foreign exchange gains or losses arise
from changes in the value of assets and liabilities other than investments in
securities at period end, resulting from changes in exchange rates.
 
(C) REPURCHASE AGREEMENTS
With respect to repurchase agreements entered into by a Fund or Portfolio, it is
the Fund's or Portfolio'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 or Portfolio under each agreement at its maturity.
 
(D) FORWARD FOREIGN CURRENCY CONTRACTS
A forward foreign currency contract ("Forward Contract") is an agreement between
two parties to buy and sell a currency at a set price on a future date. The
market value of the Forward Contract fluctuates with changes in currency
exchange rates. The Forward Contract is marked-to-market daily and the change in
market value is recorded by a Fund or Portfolio as an unrealized gain or loss.
When the Forward Contract is closed, the Fund or Portfolio records a realized
gain or loss equal to the difference between the value at the time it was opened
and the value at the time it was closed. Forward Contracts involve market risk
in excess of the amount shown in the Fund's or Portfolio's "Statement of Assets
and Liabilities". A Fund or Portfolio could be exposed to risk if a counterparty
is unable to meet the terms of the contract or if the value of the currency
changes unfavorably. A Fund or Portfolio may enter into Forward Contracts in
connection with planned purchases or sales of securities, or to hedge against
adverse fluctuations in exchange rates between currencies.
 
(E) OPTION ACCOUNTING PRINCIPLES
When a Fund or Portfolio writes a call or put option, an amount equal to the
premium received is included in the Fund's or Portfolio's "Statement of Assets
and Liabilities" as an asset and an equivalent liability. The amount of the
liability is subsequently marked-to-market to reflect the current market value
of the option. The current market value of an option listed on a traded exchange
is valued at its last bid price, or, in the case of an over-the-counter option,
is valued at the average of the last bid prices obtained from brokers, unless a
quotation from only one broker is available, in which case only that broker's
price will be used. If an option expires on its stipulated expiration date or if
the Fund or Portfolio enters into a closing purchase transaction, a gain or loss
is realized without regard to any unrealized gain or loss on the underlying
security and the liability related to such option is extinguished. If a written
call option is exercised, a gain or loss is realized from the sale of the
underlying security and the proceeds of the sale are increased by the premium
originally received. If a written put option is exercised, the cost of the
underlying security purchased would be decreased by the premium originally
received. The Fund or Portfolio can write options only on a covered basis,
which, for a call, requires that the Fund or Portfolio hold the underlying
security and, for a put, requires the Fund or Portfolio to set aside cash, U.S.
government securities or other liquid securities in an amount not less than the
exercise price, or otherwise provide adequate cover at all times while the put
option is outstanding. The Fund or Portfolio may use options to manage its
exposure to the stock market and to fluctuations in currency values or interest
rates.
 
The premium paid by the Fund or Portfolio for the purchase of a call or put
option is included in the Fund's or Portfolio's "Statement of Assets and
Liabilities" as an investment and subsequently "marked-to-market" to reflect the
current market value of the option. If an option which the Fund or Portfolio has
purchased expires on the stipulated expiration date, the Fund or Portfolio
realizes a loss in the amount of the cost of the option. If the Fund or
Portfolio enters into a closing sale transaction, the Fund or Portfolio realizes
a gain or loss, depending on whether proceeds from the closing sale transaction
are greater or less than the cost of the option. If the Fund or Portfolio
exercises a call option, the cost of the securities acquired by exercising the
call is increased by the premium paid to buy the call. If the Fund or Portfolio
exercises a put option, it realizes a gain or loss from the sale of the
underlying security, and the proceeds from such sale are decreased by the
premium originally paid.
 
The risk associated with purchasing options is limited to the premium originally
paid. The risk in writing a call option is that the Fund or Portfolio may forego
the opportunity of profit if the market value of the underlying security or
index increases and the option is exercised. The risk in writing a put option is
that the Fund or Portfolio may incur a loss if the market value of the
underlying security or index decreases and the option is exercised. In addition,
there is the risk the Fund or Portfolio may not be able to enter into a closing
transaction because of an illiquid secondary market.
 
(F) FUTURES CONTRACTS
A futures contract is an agreement between two parties to buy and sell a
security at a set price on a future date. Upon entering into such a contract a
Fund or Portfolio is required to pledge to the broker an amount of cash or
securities equal to the minimum "initial margin" requirements of the exchange on
which the contract is traded. Pursuant to the contract, the Fund or Portfolio
agrees to receive from or pay to the broker an amount of cash equal to the daily
fluctuation in value of the contract. Such receipts or payments are known as
"variation margin" and are recorded by the Fund or Portfolio as unrealized gains
or losses. When the contract is closed, the Fund or Portfolio records a realized
gain or loss equal to the difference between the value of the contract at the
time it was opened and the value at the time it was closed. The potential risk
to the Fund or Portfolio is that the change in value of the underlying
securities may not correlate to the change in value of the contracts. A Fund or
 
                                      F29
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Portfolio may use futures contracts to manage its exposure to the stock market
and to fluctuations in currency values or interest rates.
 
(G) SECURITY TRANSACTIONS AND RELATED INVESTMENT INCOME
Security transactions are accounted for on the trade date (date the order to buy
or sell is executed). The cost of securities sold is determined on a first-in,
first-out-basis, unless otherwise specified. Dividends are recorded on the
ex-dividend date. Interest income is recorded on the accrual basis. Where a high
level of uncertainty exists as to its collection, income is recorded net of all
withholding tax with any rebate recorded when received. A Fund or Portfolio may
trade securities on other than normal settlement terms. This may increase the
risk if the other party to the transaction fails to deliver and causes the Fund
or Portfolio to subsequently invest at less advantageous prices.
 
(H) PORTFOLIO SECURITIES LOANED
At October 31, 1997, stocks with an aggregate value listed below were on loan to
brokers. The loans were secured by cash collateral received by the Funds:
 
<TABLE>
<CAPTION>
                                                                               YEAR ENDED
                                                  OCTOBER 31, 1997            OCTOBER 31,
                                          --------------------------------        1997
                                          AGGREGATE VALUE        CASH        --------------
                                              ON LOAN         COLLATERAL     FEES RECEIVED
                                          ---------------   --------------   --------------
<S>                                       <C>               <C>              <C>
GT Global Government Income Fund........   $ 29,895,986      $  31,386,675      $543,589
Global High Income Portfolio............   $ 25,907,465      $  32,857,776      $234,784
GT Global Strategic Income Fund.........   $ 37,623,556      $  43,190,488      $460,682
</TABLE>
 
For international securities, cash collateral is received by a Fund or Portfolio
against loaned securities in an amount at least equal to 105% of the market
value of the loaned securities at the inception of each loan. This collateral
must be maintained at not less than 103% of the market value of the loaned
securities during the period of the loan. For domestic securities, cash
collateral is received by a Fund or Portfolio against loaned securities in the
amount at least equal to 102% of the market value of the loaned securities at
the inception of each loan. This collateral must be maintained at not less than
100% of the market value of the loaned securities during the period of the loan.
Fees received from securities loaned were used to reduce the Funds' or
Portfolios' custodian and other administrative expenses.
 
(I) TAXES
It is the intended policy of the Funds and Portfolios 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 Funds and
Portfolios 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. The GT Global Government
Income Fund has a capital loss carryforward of $139,369,056 of which
$123,623,470 expires in 2002, and $15,745,586 expires in 2003. The GT Global
Strategic Income Fund has a capital loss carryforward of $65,749,433 which
expires in 2003.
 
(J) DISTRIBUTIONS TO SHAREHOLDERS
Distributions to shareholders are recorded by each 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 Funds or Portfolio and timing
differences.
 
(K) DEFERRED ORGANIZATIONAL EXPENSES
Expenses incurred by the GT Global High Income Fund and the Portfolio in
connection with their organization, their initial registration with the
Securities and Exchange Commission and with various states and the initial
public offering of its shares aggregated $149,100 and $25,000, respectively.
These expenses were amortized on a straightline basis over a five-year period.
 
(L) FOREIGN SECURITIES
There are certain additional considerations and risks associated with investing
in foreign securities and currency transactions that are not inherent in
investments of domestic origin. The Fund's or Portfolio's investment in emerging
market countries may involve greater risks than investments in more developed
markets and the price of such investments may be volatile. These risks of
investing in foreign and emerging markets may include foreign currency exchange
rate fluctuations, perceived credit risk, adverse political and economic
developments and possible adverse foreign government intervention.
 
(M) INDEXED SECURITIES
A Fund or Portfolio may invest in indexed securities whose value is linked
either directly or indirectly to changes in foreign currencies, interest rates,
equities, indices, or other reference instruments. Indexed securities may be
more volatile than the reference instrument itself, but any loss is limited to
the amount of the original investment.
 
(N) RESTRICTED SECURITIES
A Fund or Portfolio is permitted to invest in privately placed restricted
securities. These securities may be resold in transactions exempt from
registration or to the public if the securities are registered. Disposal of
these securities may involve time-consuming negotiations and expense, and prompt
sale at an acceptable price may be difficult. At the end of the period,
restricted securities (excluding 144A issues) are shown at the end of the Fund's
or Portfolio's Portfolio of Investments.
 
                                      F30
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
(O) LINE OF CREDIT
Each of the Funds, along with certain other funds ("GT Funds") advised or
administered by the Manager, has a line of credit with BankBoston. GT Global
Income Funds, along with certain other funds ("GT Funds") advised or
administered by the Manager, has a line of credit with State Street Bank & Trust
Company. The arrangements with the banks allow all specified funds and the GT
Funds to borrow an aggregate maximum amount of $200,000,000. Each Fund is
limited to borrowing up to 33 1/3% of the value of each Fund's total assets. On
October 31, 1997, GT Global Government Income Fund had $4,451,000 in loans
outstanding.
 
For the year ended October 31, 1997, the weighted average outstanding daily
balance of bank loans (based on the number of days the loans were outstanding)
for GT Global Government Income Fund, GT Global High Income Fund, and GT Global
Strategic Income Fund was $7,107,892, $11,820,513 and $10,277,220 respectively,
with a weighted average interest rate of 6.33%, 6.47% and 6.38%, respectively.
Interest expense for the GT Global Government Income Fund, GT Global High Income
Fund and GT Global Strategic Income Fund for the year ended October 31, 1997 was
$103,696, $165,711 and $230,880, respectively, included in "Other Expenses" on
the Statement of Operations.
 
(P) SECURITIES PURCHASED ON A WHEN-ISSUED OR FORWARD COMMITMENT BASIS
A Fund or Portfolio may trade securities on a when-issued or forward commitment
basis, with payment and delivery scheduled for a future date. These transactions
are subject to market fluctuations and are subject to the risk that the value at
delivery may be more or less than the trade date purchase price. Although the
Fund or Portfolio will generally purchase these securities with the intention of
acquiring such securities, they may sell such securities before the settlement
date. These securities are identified on the accompanying Portfolio of
Investments. The Fund or Portfolio has set aside sufficient cash or liquid
securities as collateral for these purchase commitments.
 
2. RELATED PARTIES
Chancellor LGT Asset Management, Inc. is the Funds' and Portfolio's investment
manager and administrator. The GT Global Government Income Fund and GT Global
Strategic Income Fund each pays the Manager investment management and
administration fees at the annualized rate of 0.725% on the first $500 million
of the average daily net assets of the Fund; 0.70% on the next $1 billion;
0.675% on the next $1 billion; and 0.65% on amounts thereafter. The GT Global
High Income Fund pays administration fees to the Manager at the annualized rate
of 0.25% of its average daily net assets. These fees are computed daily and paid
monthly.
 
The Global High Income Portfolio pays investment management and administration
fees to the Manager at the annualized rate of 0.475% on the first $500 million
of average daily net assets of the Portfolio; 0.45% on the next $1 billion;
0.425% on the next $1 billion; and 0.40% on amounts thereafter, plus 2% of the
Portfolio's total investment income calculated in accordance with generally
accepted accounting principles, adjusted daily for currency revaluations, on a
mark to market basis, of the Portfolio's assets; provided, however, that during
any fiscal year this amount shall not exceed 2% of the Portfolio's total
investment income calculated in accordance with generally accepted accounting
principles. These fees are computed daily and paid monthly.
 
GT Global, Inc. ("GT Global"), an affiliate of the Manager, serves as the Funds'
distributor. The Funds offer Class A, Class B, and Advisor Class shares for
purchase.
 
Class A shares are subject to initial sales charges imposed at the time of
purchase, in accordance with the schedule included in the Funds' 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 year ended October 31, 1997, GT Global retained the
following sales charges: $10,240 for the GT Global Government Income Fund,
$65,982 for the Global High Income Fund, and $29,451 for the GT Global Strategic
Income Fund. Purchases of Class A shares exceeding $500,000 may be subject to a
contingent deferred sales charge ("CDSC") upon redemption, in accordance with
the Funds' current prospectus. GT Global collected CDSCs for the year ended
October 31, 1997, as follows: $5,273 for the GT Global Government Income Fund,
$18,156 for the Global High Income Fund, and $0 for the GT Global Strategic
Income Fund. 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 Funds' current
prospectus. For the year ended October 31, 1997, GT Global collected CDSCs in
the amount of: $1,118,343 for the GT Global Government Income Fund, $1,598,989
for the Global High Income Fund, and $1,750,253 for the GT Global Strategic
Income Fund. In addition, GT Global makes ongoing shareholder servicing and
trail commission payments to dealers whose clients hold Class B shares.
 
Pursuant to Rule 12b-1 under the 1940 Act, the Company's Board of Directors has
adopted separate distribution plans with respect to the Funds' Class A shares
("Class A Plan") and Class B shares ("Class B Plan"), pursuant to which a Fund
reimburses GT Global for a portion of its shareholder servicing and
distributions expenses. Under the Class A Plan, a 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 0.35% 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.
 
                                      F31
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
Pursuant to the Fund's Class B Plan, a 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.
 
The Manager and GT Global voluntarily have undertaken to limit each GT Global
Government Income Fund's and GT Global Strategic Income Fund's expenses
(exclusive of brokerage commissions, taxes, interest, and extraordinary expense)
to the maximum annual rate of 1.85%, 2.50%, and 1.50% of the average daily net
assets of the Fund's Class A, Class B, and Advisor Class shares, respectively.
Similarly, they voluntarily have undertaken to limit GT Global High Income
Fund's expenses to the maximum annual rate of 2.20%, 2.85%, and 1.85% of the
average daily net assets of the Fund's Class A, Class B, and Advisor Class
shares, respectively. If necessary, this limitation will be effected by waivers
by the Manager of investment management and administration fees, waivers by GT
Global of payments under the Class A Plan and/or Class B Plan and/or
reimbursements by the Manager or GT Global of portions of the Fund's other
operating expenses.
 
Effective November 1, 1997, the Manager and GT Global have undertaken to limit
each Fund's expenses (exclusive of brokerage commissions, taxes, interest, and
extraordinary expenses) to the annual rate of 1.75%, 2.40%, and 1.40% of the
average daily net assets of the Fund's Class A, Class B and Advisor Class
shares, respectively. This undertaking may be changed or eliminated in the
future.
 
GT Global Investor Services, Inc. ("GT Services"), an affiliate of the Manager
and LGT and GT Global, is the transfer agent of the Funds. 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 per exchange fee of $2.25. GT Services also is
reimbursed by the Fund for its out-of-pocket expenses for such items as postage,
forms, telephone charges, stationery and office supplies.
The Manager is the pricing and accounting agent for the Funds and Portfolio. The
monthly fee for these services to the Manager is a percentage, not to exceed
0.03% annually, of a Fund or Portfolio's average daily net assets. The annual
fee rate is derived by applying 0.03% to the first $5 billion of assets of all
registered mutual funds advised by the Manager and 0.02% to the assets in excess
of $5 billion and allocating the result according to each Fund's average daily
net assets.
 
The Company pays each of its Directors who is not an employee, officer or
director of the Manager or any other affiliated company, $5,000 per year plus
$300 for each meeting of the board or any committee thereof attended by the
Director. Each Portfolio pays each of its Trustees who is not an employee,
officer, or director of the Manager, GT Global or GT Services $500 per year plus
$150 for each meeting of the board or any committee thereof attended by the
Trustees.
 
3. PURCHASES AND SALES OF SECURITIES
The following summarizes purchases and sales of investment securities, other
than short-term investments, by each Fund or Portfolio for the year ended
October 31, 1997:
 
                        PURCHASE AND SALES OF SECURITIES
 
<TABLE>
<CAPTION>
                                                                                            PURCHASES
                                                                                  ------------------------------
                                                                                  U.S. GOVERNMENT
                                                                                  AND GOVERNMENT
                                                                                     AGENCIES       OTHER ISSUES
                                                                                  ---------------   ------------
<S>                                                                               <C>               <C>
GT Global Government Income Fund................................................   $133,075,601     $576,675,060
Global High Income Portfolio....................................................   $ 27,699,458     $829,268,070
GT Global Strategic Income Fund.................................................   $ 67,247,574     $607,924,472
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                              SALES
                                                                                  ------------------------------
                                                                                  U.S. GOVERNMENT
                                                                                  AND GOVERNMENT
                                                                                     AGENCIES       OTHER ISSUES
                                                                                  ---------------   ------------
<S>                                                                               <C>               <C>
GT Global Government Income Fund................................................   $118,888,065     $702,800,147
Global High Income Portfolio....................................................   $ 11,689,150     $933,111,597
GT Global Strategic Income Fund.................................................   $ 47,239,453     $728,047,126
</TABLE>
 
                                      F32
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
4. CAPITAL SHARES
At October 31, 1997, there were 6,000,000,000 shares of the Company's common
stock authorized, at $0.0001 par value. Of this amount, 400,000,000 were
classified as shares of the GT Global Telecommunications Fund; 400,000,000 were
classified as shares of GT Global Government Income Fund; 200,000,000 were
classified as shares of GT Global Developing Markets Fund; 200,000,000 were
classified as shares of GT Global Health Care Fund; 200,000,000 were classified
as shares of GT Global Strategic Income Fund; 200,000,000 were classified as
shares of GT Global Currency Fund (inactive); 200,000,000 were classified as
shares of GT Global Growth & Income Fund; 200,000,000 were classified as shares
of GT Global Small Companies Fund (inactive); 200,000,000 were classified as
shares of GT Global Latin America Growth Fund; 200,000,000 were classified as
shares of GT Global Emerging Markets Fund; 200,000,000 were classified as shares
of GT Global High Income Fund; 200,000,000 were classified as shares of GT
Global Financial Services Fund; 200,000,000 were classified as shares of GT
Global Natural Resources Fund; 200,000,000 were classified as shares of GT
Global Infrastructure Fund; 200,000,000 were classified as shares of GT Global
Consumer Products and Services Fund. The shares of each of the foregoing series
of the Company were divided equally into two classes, designated Class A and
Class B common stock. With respect to the issuance of Advisor Class shares,
100,000,000 shares were classified as shares of each of the fifteen series of
the Company and designated as Advisor Class common stock. 1,100,000,000 shares
remain unclassified. Transactions in capital shares of the Fund were as follows:
 
                           CAPITAL SHARE TRANSACTIONS
GT GLOBAL GOVERNMENT INCOME FUND
<TABLE>
<CAPTION>
                                                      YEAR ENDED                           YEAR ENDED
                                                   OCTOBER 31, 1997                     OCTOBER 31, 1996
                                          -----------------------------------  -----------------------------------
CLASS A                                       SHARES             AMOUNT            SHARES             AMOUNT
- ----------------------------------------  ---------------  ------------------  ---------------  ------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................       48,767,558  $      419,503,866       19,126,586  $      164,293,090
Shares issued in connection with
  reinvestment of distributions.........          741,916           6,372,599        1,643,833          14,228,931
                                          ---------------  ------------------  ---------------  ------------------
                                               49,509,474         425,876,465       20,770,419         178,522,021
Shares repurchased......................      (59,180,268)       (509,133,563)     (36,969,597)       (318,856,283)
                                          ---------------  ------------------  ---------------  ------------------
Net decrease............................       (9,670,794) $      (83,257,098)     (16,199,178) $     (140,334,262)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
 
<CAPTION>
 
CLASS B
- ----------------------------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................       27,713,479  $      237,734,254       23,047,364  $      198,774,141
Shares issued in connection with
  reinvestment of distributions.........          452,575           3,886,536          956,866           8,282,950
                                          ---------------  ------------------  ---------------  ------------------
                                               28,166,054         241,620,790       24,004,230         207,057,091
Shares repurchased......................      (32,406,087)       (278,645,805)     (31,688,935)       (273,022,079)
                                          ---------------  ------------------  ---------------  ------------------
Net decrease............................       (4,240,033) $      (37,025,015)      (7,684,705) $      (65,964,988)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
<CAPTION>
 
ADVISOR CLASS
- ----------------------------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................            4,551  $           38,769          105,543             892,487
Shares issued in connection with
  reinvestment of distributions.........              680               5,804            1,345              10,808
                                          ---------------  ------------------  ---------------  ------------------
                                                    5,231              44,573          106,888             903,295
Shares repurchased......................           (1,717)            (14,773)        (111,905)           (948,244)
                                          ---------------  ------------------  ---------------  ------------------
Net increase (decrease).................            3,514  $           29,800           (5,017) $          (44,949)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
</TABLE>
 
                                      F33
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
GT GLOBAL HIGH INCOME FUND
<TABLE>
<CAPTION>
                                                      YEAR ENDED                           YEAR ENDED
                                                   OCTOBER 31, 1997                     OCTOBER 31, 1996
                                          -----------------------------------  -----------------------------------
CLASS A                                       SHARES             AMOUNT            SHARES             AMOUNT
- ----------------------------------------  ---------------  ------------------  ---------------  ------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................       17,142,418  $      272,139,950       25,694,335  $      346,426,450
Shares issued in connection with
  reinvestment of distributions.........          574,707           9,164,383          607,445           8,023,249
                                          ---------------  ------------------  ---------------  ------------------
                                               17,717,125         281,304,333       26,301,780         354,449,699
Shares repurchased......................      (21,118,898)       (335,756,037)     (26,422,858)       (355,715,247)
                                          ---------------  ------------------  ---------------  ------------------
Net decrease............................       (3,401,773) $      (54,451,704)        (121,078) $       (1,265,548)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
 
<CAPTION>
 
CLASS B
- ----------------------------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................       13,848,218  $      221,702,040       14,568,804  $      194,636,619
Shares issued in connection with
  reinvestment of distributions.........          721,148          11,494,889          765,798          10,086,445
                                          ---------------  ------------------  ---------------  ------------------
                                               14,569,366         233,196,929       15,334,602         204,723,064
Shares repurchased......................      (16,813,796)       (270,094,630)     (16,793,522)       (225,719,415)
                                          ---------------  ------------------  ---------------  ------------------
Net decrease............................       (2,244,430) $      (36,897,701)      (1,458,920) $      (20,996,351)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
<CAPTION>
 
ADVISOR CLASS
- ----------------------------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................        2,868,282  $       45,874,009        1,706,101  $       23,413,749
Shares issued in connection with
  reinvestment of distributions.........           72,440           1,148,368           40,101             546,903
                                          ---------------  ------------------  ---------------  ------------------
                                                2,940,722          47,022,377        1,746,202          23,960,652
Shares repurchased......................       (3,732,584)        (60,007,579)        (839,670)        (11,309,193)
                                          ---------------  ------------------  ---------------  ------------------
Net increase (decrease).................         (791,862) $      (12,985,202)         906,532  $       12,651,459
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
</TABLE>
 
GT GLOBAL STRATEGIC INCOME FUND
<TABLE>
<CAPTION>
                                                      YEAR ENDED                           YEAR ENDED
                                                   OCTOBER 31, 1997                     OCTOBER 31, 1996
                                          -----------------------------------  -----------------------------------
CLASS A                                       SHARES             AMOUNT            SHARES             AMOUNT
- ----------------------------------------  ---------------  ------------------  ---------------  ------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................       13,750,221  $      167,009,888       15,025,486  $      168,473,834
Shares issued in connection with
  reinvestment of distributions.........          615,860           7,488,021          829,046           9,085,802
                                          ---------------  ------------------  ---------------  ------------------
                                               14,366,081         174,497,909       15,854,532         177,559,636
Shares repurchased......................      (18,557,237)       (225,311,673)     (18,331,797)       (204,237,090)
                                          ---------------  ------------------  ---------------  ------------------
Net decrease............................       (4,191,156) $      (50,813,764)      (2,477,265) $      (26,677,454)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
 
<CAPTION>
 
CLASS B
- ----------------------------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................       11,499,580  $      140,731,511       12,778,909  $      141,835,937
Shares issued in connection with
  reinvestment of distributions.........          896,610          10,918,610        1,206,362          13,216,165
                                          ---------------  ------------------  ---------------  ------------------
                                               12,396,190         151,650,121       13,985,271         155,052,102
Shares repurchased......................      (17,287,235)       (211,600,543)     (20,318,197)       (224,904,917)
                                          ---------------  ------------------  ---------------  ------------------
Net decrease............................       (4,891,045) $      (59,950,422)      (6,332,926) $      (69,852,815)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
<CAPTION>
 
ADVISOR CLASS
- ----------------------------------------
<S>                                       <C>              <C>                 <C>              <C>
Shares sold.............................          712,165  $        8,839,212          278,551  $        3,010,280
Shares issued in connection with
  reinvestment of distributions.........            3,581              43,784            3,931              43,156
                                          ---------------  ------------------  ---------------  ------------------
                                                  715,746           8,882,996          282,482           3,053,436
Shares repurchased......................         (712,116)         (8,911,324)        (284,638)         (3,054,110)
                                          ---------------  ------------------  ---------------  ------------------
Net increase (decrease).................            3,630  $          (28,328)          (2,156) $             (674)
                                          ---------------  ------------------  ---------------  ------------------
                                          ---------------  ------------------  ---------------  ------------------
</TABLE>
 
                                      F34
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
5. WRITTEN OPTIONS:
The GT Global Government Income Fund's and the GT Global Strategic Income Fund's
written options contract activity for the year ended October 31, 1997 was as
follows:
 
                      COVERED CALL AND PUT OPTION WRITTEN
 
<TABLE>
<CAPTION>
                                                                                                          UNDERLYING
                                                                                                            NOMINAL
                                                                                                           AMOUNT IN
GT GLOBAL GOVERNMENT INCOME FUND                                                                              USD      PREMIUMS
- --------------------------------------------------------------------------------------------------------  -----------  ---------
<S>                                                                                                       <C>          <C>
Options outstanding at October 31, 1996.................................................................  $        --  $      --
Options written.........................................................................................  213,530,000  1,091,938
Options cancelled in closing purchase transactions......................................................  (14,700,000)   (93,163)
Options expired prior to exercise.......................................................................  (193,990,000)  (954,102)
Options exercised.......................................................................................           --         --
                                                                                                          -----------  ---------
Options outstanding at October 31, 1997.................................................................  $ 4,840,000  $  44,673
                                                                                                          -----------  ---------
                                                                                                          -----------  ---------
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                                          UNDERLYING
                                                                                                            NOMINAL
                                                                                                           AMOUNT IN
GT GLOBAL STRATEGIC INCOME FUND                                                                               USD      PREMIUMS
- --------------------------------------------------------------------------------------------------------  -----------  ---------
<S>                                                                                                       <C>          <C>
Options outstanding at October 31, 1996.................................................................  $        --  $      --
Options written.........................................................................................    5,208,000    301,543
Options cancelled in closing purchase transactions......................................................           --         --
Options expired prior to exercise.......................................................................           --         --
Options exercised.......................................................................................   (5,208,000)  (301,543)
                                                                                                          -----------  ---------
Options outstanding at October 31, 1997.................................................................  $        --  $      --
                                                                                                          -----------  ---------
                                                                                                          -----------  ---------
</TABLE>
 
- --------------
FEDERAL TAX INFORMATION (UNAUDITED):
Pursuant to Section 852 of the Internal Revenue Code, the Funds designate the
following amounts as capital gain dividends for the fiscal year ended October
31, 1997:
 
<TABLE>
<CAPTION>
                                                                                                          CAPITAL GAIN
FUND                                                                                                        DIVIDEND
- --------------------------------------------------------------------------------------------------------  ------------
<S>                                                                                                       <C>
GT Global Government Income Fund........................................................................            --
GT Global High Income Fund..............................................................................   $ 6,927,413
GT Global Strategic Income Fund.........................................................................            --
</TABLE>
 
                                      F35
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                     NOTES
 
- --------------------------------------------------------------------------------
<PAGE>
                             GT GLOBAL INCOME FUNDS
 
                                GT GLOBAL FUNDS
 
  GT  GLOBAL  OFFERS A  BROAD  RANGE OF  FUNDS  TO COMPLEMENT  MANY INVESTORS'
  PORTFOLIOS. FOR MORE  INFORMATION AND A  PROSPECTUS ON ANY  GT GLOBAL  FUND,
  INCLUDING  FEES,  EXPENSES  AND  THE RISKS  OF  GLOBAL  AND  EMERGING MARKET
  INVESTING AND THE RISKS OF  INVESTING IN RELATED INDUSTRIES, PLEASE  CONTACT
  YOUR FINANCIAL ADVISER OR CALL GT GLOBAL DIRECTLY AT 1-800-824-1580.
 
GROWTH FUNDS
 
/ / GLOBALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW DIMENSION FUND
Captures global growth opportunities by investing directly in the six GT Global
Theme Funds
 
GT GLOBAL WORLDWIDE GROWTH FUND
Invests around the world, including the U.S.
 
GT GLOBAL INTERNATIONAL GROWTH FUND
Provides portfolio diversity for U.S. investors by investing outside the U.S.
 
   
GT GLOBAL EMERGING MARKETS FUND
    
Gives access to the growth potential of developing economies
 
GT GLOBAL DEVELOPING MARKETS FUND
Invests in debt and equity securities of developing market issuers
 
/ / GLOBAL THEME FUNDS
 
GT GLOBAL CONSUMER PRODUCTS AND
SERVICES FUND
Invests in companies that manufacture, market, retail, or distribute consumer
products or services
 
GT GLOBAL FINANCIAL SERVICES FUND
Focuses on the worldwide opportunities from the demand for financial services
and products
 
GT GLOBAL HEALTH CARE FUND
Invests in the growing health care industries worldwide
 
GT GLOBAL INFRASTRUCTURE FUND
Seeks companies that build, improve or maintain a country's infrastructure
 
GT GLOBAL NATURAL RESOURCES FUND
Concentrates on companies that own, explore or develop natural resources
 
GT GLOBAL TELECOMMUNICATIONS FUND
Invests in companies worldwide that develop, manufacture or sell
telecommunications services or equipment
 
/ / REGIONALLY DIVERSIFIED FUNDS
 
GT GLOBAL NEW PACIFIC GROWTH FUND
Offers access to the emerging and established markets of the Pacific Rim,
excluding Japan
 
GT GLOBAL EUROPE GROWTH FUND
Focuses on investment opportunities in Europe
 
GT GLOBAL LATIN AMERICA GROWTH FUND
Invests in the emerging markets of Latin America
 
/ / SINGLE COUNTRY FUNDS
 
GT GLOBAL AMERICA SMALL CAP GROWTH FUND
Invests in equity securities of small U.S. companies
 
GT GLOBAL AMERICA MID CAP GROWTH FUND
Concentrates on medium-sized companies in the U.S.
 
GT GLOBAL AMERICA VALUE FUND
Concentrates on equity securities of U.S. companies believed to be undervalued
 
GT GLOBAL JAPAN GROWTH FUND
Provides U.S. investors with direct access to the Japanese market
 
GROWTH AND INCOME FUND
 
GT GLOBAL GROWTH & INCOME FUND
Invests in blue-chip stocks and government bonds from around the world
 
INCOME FUNDS
 
GT GLOBAL GOVERNMENT INCOME FUND
Invests in global government securities
 
GT GLOBAL STRATEGIC INCOME FUND
Allocates its assets among debt securities from the U.S., developed foreign
countries and emerging markets
 
GT GLOBAL HIGH INCOME FUND
Invests in a portfolio of emerging market debt securities
 
GT GLOBAL FLOATING RATE FUND
Invests primarily in senior secured floating rate loans that have the potential
to achieve a high level of current income
 
MONEY MARKET FUND
 
GT GLOBAL DOLLAR FUND
Invests in high quality, U.S. dollar-denominated money market securities
worldwide for stability and preservation of capital
 
                                     [LOGO]
 
  NO  DEALER, SALES REPRESENTATIVE OR OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
  ANY INFORMATION  OR  TO  MAKE  ANY  REPRESENTATION  NOT  CONTAINED  IN  THIS
  STATEMENT  OF ADDITIONAL INFORMATION AND, IF GIVEN OR MADE, SUCH INFORMATION
  OR REPRESENTATION MUST NOT  BE RELIED UPON AS  HAVING BEEN AUTHORIZED BY  GT
  GLOBAL  GOVERNMENT INCOME FUND,  GT GLOBAL STRATEGIC  INCOME FUND, GT GLOBAL
  HIGH INCOME  FUND,  GLOBAL  HIGH  INCOME  PORTFOLIO,  CHANCELLOR  LGT  ASSET
  MANAGEMENT, INC. OR GT GLOBAL, INC. THIS STATEMENT OF ADDITIONAL INFORMATION
  DOES NOT CONSTITUTE AN OFFER TO SELL OR SOLICITATION OF ANY OFFER TO BUY ANY
  OF  THE SECURITIES OFFERED HEREBY IN ANY  JURISDICTION TO ANY PERSON TO WHOM
  IT IS UNLAWFUL TO MAKE SUCH OFFER IN SUCH JURISDICTION.
 
                                                                      INCSX703MC


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