AIM FLOATING RATE FUND
N-2/A, 1999-04-14
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<PAGE>   1
 
   
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON APRIL 14, 1999.
    
 
   
                                               SECURITIES ACT FILE NO. 333-72419
    
   
                                       INVESTMENT COMPANY ACT FILE NO. 811-08485
    
 
       POST-EFFECTIVE AMENDMENT TO REGISTRATION STATEMENT AS STATED BELOW
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                             ---------------------
 
                                    FORM N-2
 
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933            X
 
                         PRE-EFFECTIVE AMENDMENT NO. 1                         _
 
                          POST-EFFECTIVE AMENDMENT NO.
 
                                      AND
 
        REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940        X
 
                                AMENDMENT NO. 9                                X
 
                        (CHECK APPROPRIATE BOX OR BOXES)
                             ---------------------
 
                       GT GLOBAL FLOATING RATE FUND, INC.
 
                         (D/B/A AIM FLOATING RATE FUND)
               (Exact name of Registrant as specified in charter)
 
                11 GREENWAY PLAZA, SUITE 100, HOUSTON, TX 77046
                    (Address of principal executive offices)
 
       Registrant's Telephone Number, including Area Code: (713) 626-1919
                             ---------------------
 
                                   Copies to:
 
<TABLE>
<S>                                              <C>
             ARTHUR J. BROWN, ESQ.                            SAMUEL D. SIRKO, ESQ.
            R. CHARLES MILLER, ESQ.                            A I M ADVISORS, INC.
           KIRKPATRICK & LOCKHART LLP                           11 Greenway Plaza
        1800 Massachusetts Avenue, N.W.                             Suite 100
             Washington, D.C. 20036                            Houston, Texas 77046
                                                     (Name and address of agent for service)
</TABLE>
 
                             ---------------------
 
Approximate date of proposed public offering: AS SOON AS PRACTICABLE AFTER THIS
                   REGISTRATION STATEMENT BECOMES EFFECTIVE.
                             ---------------------
 
     If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, check the following box: [X]
                             ---------------------
 
                        CALCULATION OF REGISTRATION FEE
 
   
<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------------------
                                                                 PROPOSED            PROPOSED
                                                                  MAXIMUM             MAXIMUM
               TITLE OF                    AMOUNT BEING       OFFERING PRICE         AGGREGATE           AMOUNT OF
      SECURITIES BEING REGISTERED           REGISTERED          PER UNIT(1)       OFFERING PRICE    REGISTRATION FEE(2)
- -----------------------------------------------------------------------------------------------------------------------
<S>                                     <C>                 <C>                 <C>                 <C>
Common Stock ($.001 par value).........     30,000,000             $9.83           $294,900,000         $81,982.20
- -----------------------------------------------------------------------------------------------------------------------
- -----------------------------------------------------------------------------------------------------------------------
</TABLE>
    
 
(1) Estimated solely for the purpose of calculating the registration fee
    pursuant to Rule 457 under the Securities Act of 1933.
 
   
(2) Previously paid. The amount of the registration fee does not include
    $34,641.95 which has previously been paid to the Commission for registration
    fees relating to 11,432,988 shares registered pursuant to Securities Act
    File No. 333-37243 and unissued as of April 1, 1999.
    
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
  THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR DATES
AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL FILE
A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION STATEMENT
SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF THE
SECURITIES ACT OF 1933, AS AMENDED ("SECURITIES ACT"), OR UNTIL THE REGISTRATION
STATEMENT SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT
TO SAID SECTION 8(a), MAY DETERMINE.
 
   
  PURSUANT TO RULE 429 UNDER THE SECURITIES ACT, THE PROSPECTUS IN THIS
REGISTRATION STATEMENT IS A COMBINED PROSPECTUS AND RELATES TO REGISTRATION
STATEMENT NO. 333-37243, AS AMENDED, PREVIOUSLY FILED BY THE REGISTRANT ON FORM
N-2. THIS REGISTRATION STATEMENT ALSO CONSTITUTES POST-EFFECTIVE AMENDMENT NO. 6
TO REGISTRATION STATEMENT NO. 333-37243, AND SUCH POST-EFFECTIVE AMENDMENT SHALL
HEREAFTER BECOME EFFECTIVE CONCURRENTLY WITH THE EFFECTIVENESS OF THIS
REGISTRATION STATEMENT AND IN ACCORDANCE WITH SECTION 8(C) OF THE SECURITIES
ACT. THE REGISTRATION STATEMENT AND THE REGISTRATION STATEMENT AMENDED HEREBY
ARE COLLECTIVELY REFERRED TO HEREUNDER AS THE "REGISTRATION STATEMENT."
    
<PAGE>   2
 
                             AIM FLOATING RATE FUND
 
                         FORM N-2 CROSS REFERENCE SHEET
 
PART A
 
<TABLE>
<CAPTION>
 ITEM
NUMBER                 CAPTION                                 PROSPECTUS CAPTION
- ------                 -------                                 ------------------
<C>      <S>                                  <C>
   1     Outside Front Cover................  Outside Front Cover of Prospectus

   2     Inside Front and Outside Back Cover
           Page.............................  Inside Front and Outside Back Cover Page of
                                              Prospectus

   3     Fee Table and Synopsis.............  Summary; Table of Fees and Expenses

   4     Financial Highlights...............  Financial Highlights

   5     Plan of Distribution...............  Outside Front Cover; Summary; Purchase of Shares;
                                                Description of Capital Stock

   6     Selling Shareholders...............  Not Applicable

   7     Use of Proceeds....................  Use of Proceeds; Investment Objective and Policies

   8     General Description of
           Registrant.......................  Summary; Organization of the Fund; Investment
                                                Objective and Policies; Investment Restrictions;
                                                Special Considerations and Risk Factors;
                                                Description of Capital Stock

   9     Management.........................  Management; Description of Capital Stock; Custodian,
                                                Transfer and Dividend Disbursing Agent and Registrar

  10     Capital Stock, Long-Term Debt and
           Other Securities.................  Dividends and Other Distributions; Dividend
                                                Reinvestment Plan; Taxes; Description of Capital
                                                Stock

  11     Defaults and Arrears on Senior
           Securities.......................  Not Applicable

  12     Legal Proceedings..................  Not Applicable

  13     Table of Contents of the Statement
           of Additional Information........  Not Applicable
</TABLE>
 
PART B
 
<TABLE>
<CAPTION>
 ITEM
NUMBER                 CAPTION
- ------                 -------
<C>      <S>                                  <C>
  14     Cover Page.........................  Not Applicable

  15     Table of Contents..................  Not Applicable

  16     General Information and History....  Not Applicable

  17     Investment Objective and
           Policies.........................  Investment Objective and Policies; Investment
                                                Restrictions; Portfolio Transactions

  18     Management.........................  Management
  
  19     Control Persons and Principal
           Holders of Securities............  Description of Capital Stock

  20     Investment Advisory and Other
           Services.........................  Management; Custodian, Transfer and Dividend
                                                Disbursing Agent and Registrar

  21     Brokerage Allocation and Other
           Practices........................  Portfolio Transactions

  22     Tax Status.........................  Taxes

  23     Financial Statements...............  Financial Statements
</TABLE>
 
PART C
 
  Information required to be included in Part C is set forth under the
appropriate item, so numbered, in Part C to this Registration Statement.
<PAGE>   3
 
[AIM LOGO APPEARS HERE]          THE AIM FAMILY OF FUNDS--Registered Trademark--
 
AIM FLOATING RATE FUND
P
PROSPECTUS
   
MAY 3, 1999
    
 
This Prospectus contains information about AIM FLOATING RATE FUND (the "Fund"),
a continuously offered, non-diversified, closed-end management investment
company. The Fund invests all of its investable assets in Floating Rate
Portfolio (the "Portfolio"), a separate, non-diversified, closed-end management
investment company that has the same investment objective as the Fund. The
investment objective of the Fund and the Portfolio is to provide as high a level
of current income and preservation of capital as is consistent with investment
in senior secured corporate loans ("Corporate Loans") and senior secured debt
securities ("Corporate Debt Securities") that meet credit standards established
by its investment manager, A I M Advisors, Inc. ("AIM") and its sub-advisor,
INVESCO Senior Secured Management, Inc. (the "Sub-advisor"). The Portfolio
invests primarily in assignments of, or participations in, Corporate Loans made
by banks and other financial institutions and Corporate Debt Securities. The
Corporate Loans and Corporate Debt Securities are expected to pay interest at
rates that float or reset at a margin above a generally recognized base lending
rate such as the London InterBank Offered Rate ("LIBOR") or the prime rate of a
designated U.S. bank. The investment objective of the Fund may not be achieved.
 
Shares of Common Stock of the Fund are continuously offered at a price equal to
the next determined net asset value per share without a front-end sales charge.
The minimum initial purchase is $500, and the minimum subsequent purchase is
$50.
 
No market presently exists for the Fund's Common Stock and it is not currently
expected that a secondary market will develop. Since the Fund's Common Stock may
not be considered readily marketable, the Board of Directors of the Fund
currently intends to consider making tender offers on a quarterly basis to
repurchase all or a portion of the Common Stock of the Fund from stockholders at
the net asset value per share. See "Tender Offers." Shares of Common Stock held
for less than four years and repurchased by the Fund pursuant to tender offers
are subject to an "Early Withdrawal Charge" of up to 3.0% of the original
purchase amount for such Common Stock. See "Early Withdrawal Charge."
 
Investing in the Common Stock of the Fund involves risks, including fluctuations
in value, and there is a risk that you could lose a portion or all of your
money. The Portfolio may invest all or substantially all of its assets in
Corporate Loans, Corporate Debt Securities or other securities that are rated
below investment grade by a nationally recognized statistical rating
organization, or in comparable unrated securities. The Fund is authorized to
borrow money to finance tender offers or for temporary, extraordinary or
emergency purposes. While it has no current intention of doing so, the fund may
also borrow money to finance additional investments. The leverage created by
borrowing money to finance additional investments results in certain risks for
holders of Common Stock, including the risk of higher volatility of the net
asset value of the Common Stock. See "Special Considerations and Risk
Factors -- Effects of Leverage."
 
This Prospectus sets forth concisely the information about the Fund that
prospective investors should know before investing. Please read it before
investing and keep it for future reference. Additional information concerning
the Fund may be obtained by writing to the Fund at 11 Greenway Plaza, Suite 100,
Houston, Texas 77046-1173 or by calling 1-800-347-4246. Additional information
about the Fund may also be obtained from http://www.aimfunds.com.
 
AN INVESTMENT IN THE FUND IS NOT A DEPOSIT OF A BANK AND IS NOT FEDERALLY
INSURED OR GUARANTEED BY THE U.S. GOVERNMENT, THE FEDERAL DEPOSIT INSURANCE
CORPORATION, OR ANY OTHER AGENCY.
 
THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
EXCHANGE COMMISSION NOR HAS THE COMMISSION PASSED UPON THE ACCURACY OR ADEQUACY
OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
- --------------------------------------------------------------------------------
 
   
<TABLE>
<CAPTION>
                                                      PRICE TO       SALES       PROCEEDS
                                                     PUBLIC(1)      LOAD(2)     TO FUND(3)
                                                    ------------    -------    ------------
<S>                                                 <C>             <C>        <C>
Per Share.........................................  $       9.83     None      $       9.83
Total.............................................  $294,900,000     None      $294,900,000
- -------------------------------------------------------------------------------------------
</TABLE>
    
 
- ---------------
   
  (1) The Common Stock is offered at a price equal to net asset value, which at
      the date of this Prospectus is $9.83 per share.
    
 
  (2) A I M Distributors, Inc., the Fund's distributor, will pay all sales
      commissions to selected dealers from its own resources.
 
  (3) Assuming the sale of all shares of Common Stock registered hereby.
<PAGE>   4
 
                               TABLE OF CONTENTS
 
   
<TABLE>
<CAPTION>
                                         PAGE
                                         ----
<S>                                      <C>
SUMMARY................................    2
THE FUND...............................    4
  Table of Fees and Expenses...........    4
  Financial Highlights.................    5
  Use of Proceeds......................    5
  Investment Objective and Policies....    6
  Investment Restrictions..............   13
  Special Considerations and Risk
     Factors...........................   13
  Purchase of Shares...................   17
  Tender Offers........................   18
  Early Withdrawal Charge..............   19
  Management...........................   20
</TABLE>
    
 
   
<TABLE>
<CAPTION>
                                         PAGE
                                         ----
<S>                                      <C>
  Directors and Executive Officers.....   21
  Portfolio Transactions...............   22
  Dividends and Other Distributions....   23
  Taxes................................   24
  Dividend Reinvestment Plan...........   26
  Automatic Investment Plan............   27
  Exchange Privilege...................   27
  Determination of Net Asset Value.....   27
  Description of Capital Stock.........   28
  Performance Information..............   29
OTHER INFORMATION......................   29
APPENDIX A.............................  A-1
</TABLE>
    
 
                                    SUMMARY
- --------------------------------------------------------------------------------
 
  THE FUND. AIM Floating Rate Fund (the "Fund") is a continuously offered,
non-diversified, closed-end management investment company. See "The Fund."
 
  THE PORTFOLIO. Floating Rate Portfolio (the "Portfolio") is a non-diversified,
closed-end management investment company. See "Special Considerations and Risk
Factors -- Fund/Portfolio Investment Structure."
 
  THE OFFERING. The Fund offers its Common Stock at a price equal to the next
determined net asset value per share. Shares of the Fund are not subject to a
front-end sales charge. The minimum initial purchase is $500, and the minimum
subsequent purchase is $50, except that the minimum initial purchase is $250 for
certain retirement accounts. The Fund reserves the right to waive or modify the
initial and subsequent minimum investment requirements at any time.
 
  INVESTMENT OBJECTIVE AND POLICIES. The investment objective of the Fund and
the Portfolio is to provide as high a level of current income and preservation
of capital as is consistent with investment in senior secured corporate loans
("Corporate Loans") and senior secured debt securities ("Corporate Debt
Securities") that meet credit standards established by the Portfolio's
investment manager, A I M Advisors, Inc. ("AIM") and its sub-advisor, INVESCO
Senior Secured Management, Inc. (the "Sub-advisor").
 
  The Fund invests all of its investable assets in the Portfolio. Under normal
market conditions, the Portfolio in turn invests primarily in Corporate Loans
and Corporate Debt Securities made to or issued by U.S. or non-U.S. companies
("Borrowers"). These Corporate Loans and Corporate Debt Securities (i) have
variable rates which adjust to a base rate, such as the London InterBank Offered
Rate ("LIBOR") on set dates, typically every 30 days but not to exceed one year;
and/or (ii) have interest rates that float at a margin above a generally
recognized base lending rate such as the prime rate ("Prime Rate") of a
designated U.S. bank.
 
  In general, the net asset value of an investment company that invests
primarily in fixed-income securities changes in response to fluctuations in the
general level of interest rates. Funds that invest in floating rate and variable
rate securities are generally less affected by interest rate changes. Because
the Portfolio consists primarily of floating rate and variable rate Corporate
Loans and Corporate Debt Securities, the Sub-advisor expects the value of the
Portfolio to fluctuate less in response to interest rate changes than would a
portfolio of fixed-rate obligations. However, because interest rates are
constantly changing, and the interest rates on the floating and variable rate
securities in which the Portfolio invests are only reset periodically, the
Portfolio's, and thus the Fund's, net asset value may fluctuate.
 
  SPECIAL CONSIDERATION AND RISK FACTORS. The Corporate Loans and Corporate Debt
Securities in which the Portfolio may invest are subject to the risk of
nonpayment of scheduled interest or principal payments. If a nonpayment or
default occurs, the Portfolio may experience a decline in the value of such
obligations, resulting in a decline in the net asset value of the Fund's shares
of Common Stock.
 
  The Corporate Loans and Corporate Debt Securities in which the Portfolio
invests consist primarily of obligations of a Borrower undertaken to finance the
growth of the Borrower's business internally or externally or to finance a
capital restructuring. A significant portion of such Corporate Loans and
Corporate Debt Securities may be issued in highly leveraged transactions that
are subject to greater credit risks, including a greater possibility of default
or bankruptcy of the Borrower.
 
  Each of the Fund and the Portfolio may borrow money to finance tender offers,
for temporary or emergency purposes, or to finance additional investments. Money
raised through borrowing will be subject to interest costs which may or may not
exceed the interest on any assets purchased.
 
                                        2
<PAGE>   5
 
  INVESTMENT MANAGERS. The Portfolio is managed by AIM and the Sub-Advisor. AIM
and the Sub-advisor and their worldwide asset management affiliates provide
investment management and/or administrative services to institutional, corporate
and individual clients around the world. AIM and the Sub-advisor are both
indirect wholly owned subsidiaries of AMVESCAP PLC. AMVESCAP PLC and its
subsidiaries are an independent investment management group that has a
significant presence in the institutional and retail segment of the investment
management industry in North America and Europe, and a growing presence in Asia.
AIM was organized in 1976 and, together with its subsidiaries, currently advises
or manages over 110 investment portfolios.
 
  The Sub-advisor determines the investment composition of the Portfolio, places
all orders for the purchase and sale of securities and for other transactions,
and oversees the settlement of the Portfolio's securities and other
transactions. The Sub-advisor has appointed INVESCO (NY), Inc. ("INVESCO (NY)")
as the investment sub-sub-advisor with respect to certain of the assets of the
Portfolio. See "Management."
 
  ADMINISTRATOR. AIM provides administrative services to the Fund and the
Portfolio. These include, among other things, furnishing officers and office
space, preparing or assisting in preparing materials for stockholders and
regulatory bodies and overseeing the provision of accounting services. AIM has
appointed INVESCO (NY) as the Fund's sub-administrator.
 
  DISTRIBUTIONS. The Fund distributes substantially all of its net investment
income to holders of Common Stock by declaring dividends daily and paying them
monthly. Substantially all net capital gains, if any, are distributed at least
annually to holders of Common Stock. See "Dividends and Other Distributions."
Under the Fund's Dividend Reinvestment Plan (the "Plan"), each stockholder is
assumed to have elected, unless the stockholder instructs otherwise in writing,
to have all dividends and other distributions, net of any applicable withholding
taxes, automatically reinvested in additional shares of Common Stock. See
"Dividend Reinvestment Plan."
 
  TENDER OFFERS. The Fund's Common Stock is not listed on any exchange and it is
not anticipated that a secondary market will develop. In view of this, the Board
of Directors of the Fund intends to consider each quarter making tender offers
(each, a "Tender Offer") to repurchase all or a portion of the Common Stock of
the Fund from stockholders. The Common Stock will be purchased in these Tender
Offers at the net asset value per share determined at the close of business on
the day a Tender Offer terminates. The Board is under no obligation to authorize
the making of a Tender Offer and no assurance can be given that in any
particular quarter a Tender Offer will be made. If a Tender Offer is not made,
stockholders may be unable to sell their shares. Shares of Common Stock that
have been held for less than four years and which are repurchased by the Fund
pursuant to Tender Offers will be subject to an early withdrawal charge of up to
3% of the lesser of the then current net asset value or the original purchase
price of the Common Stock being tendered. See "Tender Offers" and "Early
Withdrawal Charge."
 
  No secondary market currently exists for the Fund's Common Stock, and the Fund
does not expect a secondary market to develop. Moreover, A I M Distributors,
Inc. ("AIM Distributors" or the "Distributor") and other selected dealers are
prohibited under applicable law from making a market in the Fund's Common Stock
while the Fund is making either a public offering of or a tender offer to
repurchase its Common Stock. Because of the lack of a secondary market and the
early withdrawal charge, the Fund is designed primarily for long-term investors
and should not be considered a vehicle for trading purposes. See "Special
Considerations and Risk Factors."
 
  THE AIM FAMILY OF FUNDS, THE AIM FAMILY OF FUNDS AND DESIGN (I.E., THE AIM
LOGO), AIM AND DESIGN, AIM, AIM LINK, AIM INSTITUTIONAL FUNDS, AIMFUNDS.COM, LA
FAMILIA AIM DE FONDOS, LA FAMILIA AIM DE FONDOS AND DESIGN AND INVEST WITH
DISCIPLINE ARE REGISTERED SERVICE MARKS AND AIM BANK CONNECTION IS A SERVICE
MARK OF A I M MANAGEMENT GROUP INC.
 
                                        3
<PAGE>   6
 
                                    THE FUND
- --------------------------------------------------------------------------------
 
TABLE OF FEES AND EXPENSES
 
  The following table is intended to assist investors in understanding the
various costs and expenses that an investor in the Fund will bear, directly or
indirectly.
 
<TABLE>
<S>                                                           <C>
Stockholder Transaction Expenses
  Sales Load (as a percentage of offering price)............  None
  Dividend Reinvestment Plan Fees...........................  None
  Maximum Early Withdrawal Charge(1)........................  3.00%
Annual Fund and Allocated Portfolio Operating Expenses (as a
  percentage of net assets attributable to Common Stock)(2)
  Investment Management and Administrative Fee..............  0.95%
  Administrative Fee(2).....................................  0.25%
  Other Expenses (after reimbursement)(3)...................  0.30%
                                                              ----
          Total Annual Operating Expenses (after
          reimbursement)....................................  1.50%
                                                              ====
</TABLE>
 
- ---------------
 
(1)Calculated based on the lesser of the then current net asset value or the
   original price of the shares being tendered. The maximum early withdrawal
   charge applies to shares sold to the Fund pursuant to a Tender Offer during
   the first year after purchase; the early withdrawal charge declines annually
   thereafter, reaching zero after four years. See "Early Withdrawal Charge."
 
(2)See "Management" for additional information.
 
(3)"Other Expenses," which include transfer agency, custodial, audit and legal
   fees, reflect the commitment of AIM to reimburse Fund expenses (exclusive of
   brokerage commissions, taxes, interest, and extraordinary expenses) over
   1.50% annually. Without such reimbursement, "Other Expenses" and "Total
   Annual Operating Expenses" would be approximately 1.32% and 2.52%,
   respectively. See "Management."
 
  EXAMPLE. The following Example demonstrates the projected dollar amount of
total cumulative expense that would be incurred over various periods with
respect to a hypothetical investment in the Fund. These amounts are based upon
payment by the Fund and the Portfolio of operating expenses at the levels set
forth in the above table.
 
  An investor would directly or indirectly pay the following expenses of a
$1,000 investment in the Fund, assuming (i) a 5% annual return and (ii)
reinvestment of all dividends and other distributions at net asset value:
 
   
<TABLE>
<CAPTION>
                                                   1 YEAR    3 YEARS    5 YEARS    10 YEARS
                                                   -------   --------   --------   ---------
<S>                                                <C>       <C>        <C>        <C>
Assuming no tender of Common Stock...............    $15       $47        $82        $179
Assuming tender and repurchase of Common Stock on
  last day of period and imposition of maximum
  applicable Early Withdrawal Charge.............    $45       $67        $82        $179
</TABLE>
    
 
  This Example assumes that the percentage amounts listed under Total Annual
Operating Expenses remain the same in the years shown, except, as to "10 Years,"
for the completion of organizational expense amortization over a five year
period. The above tables and the assumption in the Example of a 5% annual return
and reinvestment at net asset value are required by regulation of the Securities
and Exchange Commission applicable to all closed-end investment companies; the
assumed 5% annual return is not a prediction of, and does not represent, the
projected or actual performance of the Common Stock. Actual expenses and annual
rates of return may be more or less than those assumed for purposes of the
Example. In addition, although the Example assumes reinvestment of all dividends
and other distributions at net asset value, participants in the Plan may receive
shares of the Common Stock obtained at or based on the market price in effect at
the time, which may be at, above or below net asset value.
 
  THIS EXAMPLE SHOULD NOT BE CONSIDERED A REPRESENTATION OF FUTURE EXPENSES, AND
THE FUND'S AND THE PORTFOLIO'S ACTUAL EXPENSES MAY BE MORE OR LESS THAN THOSE
SHOWN.
 
                                        4
<PAGE>   7
 
- --------------------------------------------------------------------------------
 
FINANCIAL HIGHLIGHTS
 
  Contained below is per share operating performance data for a share
outstanding, total investment return, ratios and supplemental data. This
information has been derived from information provided in the financial
statements. The financial statements and notes for the fiscal years or periods
noted, have been audited by PricewaterhouseCoopers LLP, independent accountants,
whose report thereon also is included in the financial statements attached to
this prospectus.
 
   
<TABLE>
<CAPTION>
                                                                                MAY 1, 1997
                                                                               (COMMENCEMENT
                                                              DECEMBER 31,   OF OPERATIONS) TO
                                                                  1998       DECEMBER 31, 1997
                                                              ------------   -----------------
<S>                                                           <C>            <C>
Per Share Operating Performance:
  Net asset value, beginning of period......................    $  10.02         $  10.00
                                                                --------         --------
Income from investment operations:
  Net investment income.....................................        0.68             0.46
  Net realized and unrealized gain (loss) on investments....       (0.18)            0.02
                                                                --------         --------
     Net increase from investment operations................        0.50             0.48
                                                                --------         --------
Distributions to shareholders:
  From net investment income................................       (0.67)           (0.46)
  From net realized gain on investments.....................       (0.01)              --
                                                                --------         --------
     Total distributions....................................       (0.68)           (0.46)
                                                                --------         --------
Net asset value, end of period..............................    $   9.84         $  10.02
                                                                ========         ========
Total investment return(c)..................................        5.25%            5.04%(b)
Ratios and supplemental data:
Net assets, end of period (in 000's)........................    $288,074         $161,697
Ratio of net investment income to average net assets:
  With expense reductions...................................        6.88%            7.26%(a)
  Without expense reductions................................        6.75%            6.24%(a)
Ratio of expenses to average net assets:
  With expense reimbursement................................        1.50%            1.50%(a)
  Without expense reimbursement.............................        1.63%            2.52%(a)
Ratio of interest expense to average net assets.............        0.01%            0.15%(a)
Portfolio turnover rate.....................................          75%             118%(a)
</TABLE>
    
 
- ---------------
 
(a)
  Annualized
 
(b)
  Not annualized
 
(c)
 Total investment return does not include sales charges.
 
   
<TABLE>
<CAPTION>
                                                                                  AVERAGE MONTHLY
                                                                 AVERAGE             NUMBER OF
                                                             AMOUNT OF DEBT     REGISTRANT'S SHARES        AVERAGE
                                           AMOUNT OF DEBT      OUTSTANDING          OUTSTANDING        AMOUNT OF DEBT
                                           OUTSTANDING AT   DURING THE PERIOD    DURING THE PERIOD        PER SHARE
               YEAR ENDED                  END OF PERIOD       (UNAUDITED)          (UNAUDITED)       DURING THE PERIOD
               ----------                  --------------   -----------------   -------------------   -----------------
<S>                                        <C>              <C>                 <C>                   <C>
December 31, 1998........................    $        0        $2,799,958           $25,177,649            $ 0.11
</TABLE>
    
 
  Average amount of debt outstanding during the period is computed daily.
 
- --------------------------------------------------------------------------------
 
USE OF PROCEEDS
 
  The net proceeds from the sale of the Common Stock offered hereby will be
invested on an ongoing basis in the Portfolio, a separate closed-end,
non-diversified management investment company with the same investment objective
as the Fund. The Portfolio will invest the Fund's net proceeds in accordance
with the Fund's and the Portfolio's investment objective and policies on an
ongoing basis, depending on the availability of Corporate Loans and Corporate
Debt Securities and other relevant conditions. Pending such investment, it is
anticipated that the proceeds will be invested in short-term debt obligations or
instruments. See "Investment Objective and Policies."
 
                                        5
<PAGE>   8
 
- --------------------------------------------------------------------------------
 
INVESTMENT OBJECTIVE AND POLICIES
 
  The Fund's and the Portfolio's investment objective is to provide as high a
level of current income and preservation of capital as is consistent with
investment in senior secured Corporate Loans and Corporate Debt Securities that
meet credit standards established by AIM and the Sub-advisor. This is a
fundamental policy of the Fund and may not be changed without a vote of a
majority of the outstanding shares of the Fund. There can be no assurance that
the investment objective of the Fund will be achieved.
 
  All of the Fund's assets will be invested in the Portfolio. Under normal
market conditions, the Portfolio will invest at least 80% of its total assets in
interests in Corporate Loans and Corporate Debt Securities made to or issued by
Borrowers (which may include U.S. and non-U.S. companies), including those that:
(i) have variable rates which adjust to a base rate, such as the LIBOR on set
dates, typically every 30 days but not to exceed one year; and/or (ii) have
interest rates that float at a margin above a generally recognized base lending
rate such as the Prime Rate of a designated U.S. bank.
 
  Corporate Loans in which the Portfolio invests typically are negotiated and
structured by a syndicate of lenders ("Lenders") consisting of commercial banks,
thrift institutions, insurance companies, finance companies or other financial
institutions, one or more of which administers the Loan on behalf of all the
Lenders (the "Agent Bank"). The Portfolio's investments in Corporate Loans are
either participation interests in Corporate Loans ("Participation Interests") or
assignments of a Corporate Loans ("Assignments"). Participation Interests may be
acquired from a Lender or other holders of Participation Interests
("Participants"). If the Portfolio purchases an Assignment from a Lender, it
will generally become a "Lender" for purposes of the relevant loan agreement,
with direct contractual rights under the loan agreement and under any related
collateral security documents in favor of the Lenders. On the other hand, if the
Portfolio purchases a Participation Interest either from a Lender or a
Participant, the Portfolio will not have established any direct contractual
relationship with the Borrower and must rely on the Lender or the Participant
that sold the Participation Interest not only for the enforcement of the
Portfolio's rights against the Borrower but also for the receipt and processing
of payments due to the Portfolio under the Corporate Loans. Thus, when investing
in Participation Interests, the Portfolio is subject to the credit risk of both
the Borrower and the Lender or Participant who sold the Participation Interest.
The Portfolio will invest in Loans through the purchase of Participation
Interests only if, at the time of investment, the outstanding debt obligations
of the Agent Bank and any Lenders and Participants interposed between the
Portfolio and a Borrower are investment grade; i.e., rated BBB, A-3 or higher by
Standard & Poor's, a division of The McGraw-Hill Companies, Inc. ("Standard &
Poor's"), or Baa, P-3 or higher by Moody's Investors Service, Inc. ("Moody's"),
or, if unrated, deemed by the Sub-advisor to be of equivalent quality. See
"Investment Objective and Policies." A description of Moody's and Standard &
Poor's ratings is included in the Appendix to this Prospectus.
 
  Corporate Debt Securities typically are in the form of notes or bonds issued
in public or private placements in the securities markets. Corporate Debt
Securities will typically have substantially similar terms to Corporate Loans,
but will not be in the form of Participations or Assignments.
 
  The Portfolio may invest up to 20% of its total assets in any of the
following: (a) senior floating rate loans made and notes issued on an unsecured
basis to Borrowers that meet the credit standards established by AIM and the
Sub-advisor ("Unsecured Corporate Loans" and "Unsecured Corporate Debt
Securities"); (b) secured or unsecured short-term debt obligations including,
but not limited to, U.S. Government and Government agency securities (some of
which may not be backed by the full faith and credit of the United States),
money market instruments (such as certificates of deposit and bankers'
acceptances), corporate and commercial obligations (such as commercial paper and
medium-term notes) and repurchase agreements, none of which are required to be
secured but all of which will be (or the securities of counterparties associated
therewith will be) investment grade (i.e., rated Baa, P-3 or higher by Moody's
or BBB, A-3 or higher by Standard & Poor's or, if unrated, determined to be of
comparable quality in the judgment of the Sub-advisor); (c) fixed rate
obligations of U.S. or non-U.S. companies that meet the credit standards
established by AIM and the Sub-advisor and that the Portfolio expects to swap
for a floating rate structure; or (d) cash or cash equivalents. Securities rated
Baa, BBB, P-3 or A-3 are considered to have adequate capacity for payment of
principal and interest, but are more susceptible to adverse economic conditions
and, in the case of securities rated BBB or Baa (or comparable unrated
securities), have speculative characteristics. Such securities or cash will not
exceed 20% of the Portfolio's total assets except (i) during interim periods
pending investment of the net proceeds of public offerings of the Fund's
securities, (ii) pending reinvestment of proceeds of the sale of a security, and
(iii) during temporary defensive periods when, in the opinion of the
Sub-adviser, suitable Corporate Loans and Corporate Debt Securities are not
available for investment by the Portfolio or prevailing market or economic
conditions warrant. Investments in Unsecured Corporate Loans and Unsecured
Corporate Debt Securities will be made on the same basis as investments in
Corporate Loans and Corporate Debt Securities as described herein, except with
respect to collateral requirements. To a limited extent, incidental to and in
connection with its lending activities, the Portfolio also may acquire warrants
and other equity securities.
 
  The Portfolio has no restrictions on portfolio maturity, but it is anticipated
that a majority of the Corporate Loans and Corporate Debt Securities in which it
invests will have stated maturities ranging from three to ten years. However,
Corporate Loans usually will require, in addition to scheduled payments of
interest and principal, the prepayment of the Corporate Loan from excess cash
flow, and may permit the Borrower to prepay at its election. The degree to which
Borrowers prepay Corporate Loans, whether as a contractual requirement or at
their election, cannot be predicted with accuracy, and may be affected by
general business conditions, the financial condition of the Borrower and
competitive conditions among lenders, among other factors. However, it is
anticipated that the Portfo-
 
                                        6
<PAGE>   9
 
lio's Corporate Loans and Corporate Debt Securities will have an expected
average life of three to five years. See "Description of Corporate Loans and
Corporate Debt Securities."
 
  Investment in shares of Common Stock of the Fund offers several benefits. The
Fund offers investors the opportunity to receive a high level of current income
by investing in a professionally managed portfolio comprised primarily of
Corporate Loans, a type of investment typically not available directly to
individual investors. In managing the Portfolio, the Sub-advisor provides the
Portfolio, the Fund and its stockholders with professional credit analysis and
portfolio diversification. The Fund also relieves the investor of the burdensome
administrative details involved in managing a portfolio of such investments, if
available to individual investors. The benefits are at least partially offset by
the expenses involved in operating an investment company. Such expenses
primarily consist of the management and administrative fees and operations
costs.
 
  Generally, the net asset value of the shares of an investment company which
invests primarily in fixed-income securities changes as the general levels of
interest rates fluctuate. When interest rates decline, the value of a
fixed-income portfolio can be expected to decline. The Sub-advisor expects the
Fund's net asset value to be relatively stable during normal market conditions,
because the Portfolio in which the Fund's assets are invested will consist
primarily of floating and variable rate Corporate Loans and Corporate Debt
Securities, of fixed rate Corporate Loans and Corporate Debt Securities hedged
by interest rate swap transactions and of short-term instruments. For these
reasons, the Sub-advisor expects the value of the Portfolio to fluctuate
significantly less as a result of interest rate changes than would a portfolio
of fixed-rate obligations. However, because variable interest rates only reset
periodically, the Fund's net asset value may fluctuate from time to time in the
event of an imperfect correlation between either the interest rates on variable
rate loans in the Portfolio or the variable interest rates on nominal amounts in
the Portfolio's interest rate swap transactions, and prevailing interest rates.
Also, a default on a Corporate Loan or Corporate Security in which the Portfolio
has invested or a sudden and extreme increase in prevailing interest rates may
cause a decline in the Fund's net asset value. Conversely, a sudden and extreme
decline in interest rates could result in an increase in the Fund's net asset
value.
 
  Each of the Fund and the Portfolio is classified as non-diversified within the
meaning of the 1940 Act, which means that neither the Fund nor the Portfolio is
limited by such Act in the proportion of its assets that it may invest in
securities of a single issuer. However, the Portfolio's investments will be
limited so as to enable the Fund to qualify as a "regulated investment company"
("RIC") for purposes of the Code. Accordingly, the Portfolio will limit its
investments so that, at the close of each quarter of its taxable year, (i) not
more than 25% of the value of its total assets will be invested in the
securities (including Corporate Loans but excluding U.S. Government securities)
of a single issuer and (ii) with respect to 50% of the value of its total
assets, its investments will consist of cash, U.S. Government securities and
securities of other issuers limited, in respect of any one issuer, to not more
than 5% of the value of its total assets and not more than 10% of the issuer's
outstanding voting securities. To the extent the Portfolio assumes large
positions in the securities of a small number of issuers, the Fund's yield may
fluctuate to a greater extent than that of a diversified company as a result of
changes in the financial condition or in the market's assessment of the issuers.
However, the Portfolio has no current intention of investing more than 15% of
its assets in the obligations of any single Borrower.
 
DESCRIPTION OF CORPORATE LOANS AND CORPORATE DEBT SECURITIES
 
  The Corporate Loans and Corporate Debt Securities in which the Portfolio
invests primarily consist of obligations of a Borrower undertaken to finance the
growth of the Borrower's business internally or externally, or to finance a
capital restructuring. Corporate Loans and Corporate Debt Securities may also
include senior obligations of a Borrower issued in connection with a
restructuring pursuant to Chapter 11 of the United States Bankruptcy Code
provided that such senior obligations meet the credit standards established by
AIM and the Sub-advisor. It is anticipated that a significant portion of such
Corporate Loans and Corporate Debt Securities may be issued in highly leveraged
transactions such as leveraged buy-out loans, leveraged recapitalization loans
and other types of acquisition financing. Such Corporate Loans and Corporate
Debt Securities present special risks. See "Special Considerations and Risk
Factors." Such Corporate Loans may be structured to include both term loans,
which are generally fully funded at the time of the Portfolio's investment, and
revolving credit facilities, which would require the Portfolio to make
additional investments in the Corporate Loans as required under the terms of the
credit facility. Such Corporate Loans may also include receivables purchase
facilities, which are similar to revolving credit facilities secured by a
Borrower's receivables.
 
  The Portfolio may invest in Corporate Loans and Corporate Debt Securities
which are made to non-U.S. Borrowers, provided that the loans are U.S.
dollar-denominated or otherwise provide for payment in U.S. dollars, and any
such Borrower meets the credit standards established by AIM and the Sub-advisor
for U.S. Borrowers. The Portfolio similarly may invest in Corporate Loans and
Corporate Debt Securities made to U.S. Borrowers with significant non-U.S.
dollar-denominated revenues, provided that the loans are U.S. dollar-denominated
or otherwise provide for payment to the Portfolio in U.S. dollars. In all cases
where the Corporate Loans or Corporate Debt Securities are not denominated in
U.S. dollars, provision will be made for payments to the Lenders, including the
Portfolio, in U.S. dollars pursuant to foreign currency swap arrangements. Loans
to such non-U.S. Borrowers or U.S. Borrowers may involve risks not typically
involved in domestic investment, including fluctuation in foreign exchange
rates, future foreign political and economic developments, and the possible
imposition of exchange controls or other foreign or U.S. governmental laws or
restrictions applicable to such loans. With respect to certain foreign
countries, there is the possibility of expropriation or confiscatory taxation,
political or social instability, or diplomatic developments which could affect
the Portfolio's investments in those countries. Moreover, individual foreign
economies may differ favorably or unfavorably from the U.S. economy in such
respects as growth of gross domestic product, rate of inflation, capital
reinvestment, resource self-sufficiency and balance of payment position. In
addition, information
 
                                        7
<PAGE>   10
 
with respect to non-U.S. Borrowers may differ from that available with respect
to U.S. Borrowers, since foreign companies are not generally subject to uniform
accounting, auditing and financial reporting standards, practices and
requirements comparable to those applicable to U.S. Borrowers.
 
  The Corporate Loans and Corporate Debt Securities in which the Portfolio
invests will, in most instances, hold the most senior position in the
capitalization structure of the Borrower, and in any case will, in the judgment
of the Sub-advisor, be in the category of senior debt of the Borrower. Each
Corporate Loan and Corporate Debt Security will generally be secured by
collateral the value of which generally will be determined by reference to
financial statements of the Borrower, by an independent appraisal, by obtaining
the market value of such collateral (e.g., cash or securities) if it is readily
ascertainable and/or by other customary valuation techniques considered
appropriate in the judgment of the Sub-advisor. The Sub-advisor generally
expects the value of the collateral securing a Corporate Loan or Corporate Debt
Security to be greater than the value of such Corporate Loan or Corporate Debt
Security. However, the value of such collateral may be equal to or less than the
value of the Corporate Loan or Corporate Debt Security that it secures.
Accordingly, in the event of a default, the Fund may incur a loss. The ability
of the Lender to have access to the collateral may be limited by bankruptcy and
other insolvency laws. Under certain circumstances, the collateral may be
released with the consent of the Agent Bank and Lenders or pursuant to the terms
of the underlying credit agreement with the Borrower or bond indenture. There is
no assurance that the liquidation of the collateral would satisfy the Borrower's
obligation in the event of nonpayment of scheduled interest or principal, or
that the collateral could be readily liquidated. As a result, the Portfolio
might not receive payments to which it is entitled and thereby may experience a
decline in the value of the investment and, possibly, its net asset value.
 
  In the case of highly leveraged loans, a Borrower generally is required to
pledge collateral which may include (i) working capital assets, such as accounts
receivable or inventory, (ii) tangible fixed assets, such as real property,
buildings and equipment, (iii) intangible assets, such as trademarks, copyrights
and patent rights and (iv) security interests in securities of subsidiaries or
affiliates. In the case of Corporate Loans to or Corporate Debt Securities of
privately held companies, the companies' owners may pledge additional security
in the form of guarantees and/or other securities that they own. There may be
temporary periods in the course of providing financing to a Borrower where the
collateral for the loan consists of common stock having a value not less than
200% of the value of the loan on the date the loan is made. Under such
circumstances, the Borrower generally proceeds with a subsequent transaction
which will permit it to pledge sufficient assets as collateral for the loan,
although there can be no assurance that the Borrower will be able to effect such
transaction.
 
  The rate of interest payable on floating or variable rate Corporate Loans or
Corporate Debt Securities is established as the sum of a base lending rate plus
a specified margin. These base lending rates generally are LIBOR, the Prime Rate
of a designated U.S. bank, or another base lending rate used by commercial
lenders. The interest rate on Prime Rate-based Corporate Loans and Corporate
Debt Securities floats daily as the Prime Rate changes, while the interest rate
on LIBOR-based Corporate Loans and Corporate Debt Securities is reset
periodically, typically every 30 days to one year. Certain of the floating or
variable rate Corporate Loans and Corporate Debt Securities in which the
Portfolio will invest may permit the Borrower to select an interest rate reset
period of up to one year. A portion of the Portfolio's investments may consist
of Corporate Loans with interest rates that are fixed for the term of the loan.
Investment in Corporate Loans and Corporate Debt Securities with longer interest
rate reset periods or fixed interest rates may increase fluctuations in the
Fund's net asset value as a result of changes in interest rates. However the
Fund will attempt to hedge all of its fixed-rate Corporate Loans and Corporate
Debt Securities against fluctuations in interest rates by entering into interest
rate swap transactions. The Portfolio also will attempt to maintain a portfolio
of Corporate Loans and Corporate Debt Securities that will have a dollar
weighted average period to the next interest rate adjustment of no more than 90
days.
 
  Corporate Loans and Corporate Debt Securities traditionally have been
structured so that Borrowers pay higher margins when they elect LIBOR, in order
to permit lenders to obtain generally consistent yields on Corporate Loans and
Corporate Debt Securities, regardless of whether Borrowers select the LIBOR
option, or the Prime-based option. In recent years, however, the differential
between the lower LIBOR base rates and the higher Prime Rate base rates
prevailing in the commercial bank markets has widened to the point where the
higher margins paid by Borrowers for LIBOR pricing options do not currently
compensate for the differential between the Prime Rate and the LIBOR rates.
Consequently, Borrowers have increasingly selected the LIBOR-based pricing
option, resulting in a yield on Corporate Loans and Corporate Debt Securities
that is consistently lower than the yield would be if Borrowers selected the
Prime Rate-based pricing option. This trend will significantly limit the ability
of the Fund to achieve a net return to stockholders that consistently
approximates the average published prime rate of leading U.S. banks. At the date
of this Prospectus, the Sub-advisor cannot predict any significant change in
this market trend.
 
  The Portfolio may receive and/or pay certain fees in connection with its
lending activities. These fees are in addition to interest payments received and
may include facility fees, commitment fees, commissions and prepayment penalty
fees. When the Portfolio buys a Corporate Loan or Corporate Debt Security it may
receive a facility fee and when it sells a Corporate Loan or Corporate Debt
Security may pay a facility fee. In certain circumstances, the Portfolio may
receive a prepayment penalty fee on the prepayment of a Corporate Loan or
Corporate Debt Security by a Borrower. In connection with the acquisition of
Corporate Loans or Corporate Debt Securities, the Portfolio may also acquire
warrants and other equity securities of the Borrower or its affiliates. The
acquisition of such equity securities will only be incidental to the Portfolio's
purchase of a Corporate Debt Security or an interest in a Corporate Loan.
 
  The Portfolio invests in a Corporate Loan or Corporate Debt Security only if,
in the Sub-advisor's judgment, the Borrower can meet debt service on such loan
or security. In addition, the Sub-advisor considers other factors deemed by it
to be appropriate to the analysis of the Borrower and the Corporate Loan or
Corporate Debt Security. Such factors include financial ratios of the Borrower
such as
 
                                        8
<PAGE>   11
 
interest coverage, fixed charge coverage and leverage ratios. In its analysis of
these factors, the Sub-advisor also will be influenced by the nature of the
industry in which the Borrower is engaged, the nature of the Borrower's assets
and the Sub-advisor's assessment of the general quality of the Borrower. The
factors utilized have been reviewed by the Portfolio's Board of Trustees.
 
  The primary consideration in selecting such Corporate Loans and Corporate Debt
Securities for investment by the Portfolio is the creditworthiness of the
Borrower. In evaluating Corporate Loans and Corporate Debt Securities, the
quality ratings assigned to other debt obligations of a Borrower may not be a
determining factor, since they will often be subordinated to the Corporate Loans
or Corporate Debt Securities. Instead, the Sub-advisor performs its own
independent credit analysis of the Borrower, and of the collateral structure for
the loan or security. In making this analysis, the Sub-advisor utilizes any
offering materials and in the case of Corporate Loans, information prepared and
supplied by the Agent Bank, Lender or Participant from whom the Portfolio
purchases its Participation Interest in a Corporate Loan. The Sub-advisor's
analysis will continue on an ongoing basis for any Corporate Loans and Corporate
Debt Securities in which the Portfolio has invested. Although the Sub-advisor
will use due care in making such analysis, there can be no assurance that such
analysis will disclose factors which may impair the value of the Corporate Loan
or Corporate Debt Security.
 
  Corporate Loans and Corporate Debt Securities made in connection with highly
leveraged transactions are subject to greater credit risks than other Corporate
Loans and Corporate Debt Securities in which the Portfolio may invest. These
credit risks include a greater possibility of default or bankruptcy of the
Borrower and the assertion that the pledging of collateral to secure the loan
constituted a fraudulent conveyance or preferential transfer which can be
nullified or subordinated to the rights of other creditors of the Borrower under
applicable law. Highly leveraged Corporate Loans and Corporate Debt Securities
also may be less liquid than other Corporate Loans and Corporate Debt
Securities.
 
  A Borrower also must comply with various restrictive covenants contained in
any Corporate Loan agreement between the Borrower and the lending syndicate
("Corporate Loan Agreement") or in any trust indenture or comparable document in
connection with a Corporate Debt Security ("Corporate Debt Security Document").
Such covenants, in addition to requiring the scheduled payment of interest and
principal, may include restrictions on dividend payments and other distributions
to stockholders, provisions requiring the Borrower to maintain specific
financial ratios or relationships and limits on total debt. In addition, the
Corporate Loan Agreement or Corporate Debt Security Document may contain a
covenant requiring the Borrower to prepay the Corporate Loan or Corporate Debt
Security with any excess cash flow. Excess cash flow generally includes net cash
flow after scheduled debt service payments and permitted capital expenditures,
among other things, as well as the proceeds from asset dispositions or sales of
securities. A breach of a covenant (after giving effect to any cure period) in a
Corporate Loan Agreement which is not waived by the Agent Bank and the lending
syndicate normally is an event of acceleration; i.e., the Agent Bank has the
right to demand immediate repayment in full of the outstanding Corporate Loan.
Acceleration may also occur in the case of the breach of a covenant in a
Corporate Debt Security Document.
 
  It is expected that a majority of the Corporate Loans and Corporate Debt
Securities held by the Portfolio will have stated maturities ranging from three
to ten years. However, such Corporate Loans and Corporate Debt Securities
usually will require, in addition to scheduled payments of interest and
principal, the prepayment of the Corporate Loan or Corporate Debt Security from
excess cash flow, as discussed above, and may permit the Borrower to prepay at
its election. The degree to which Borrowers prepay Corporate Loans and Corporate
Debt Securities, whether as a contractual requirement or at their election, may
be affected by general business conditions, the financial condition of the
Borrower and competitive conditions among lenders, among other factors.
Accordingly, prepayments cannot be predicted with accuracy. Upon a prepayment,
the Portfolio may receive both a prepayment penalty fee from the prepaying
Borrower and a facility fee on the purchase of a new Corporate Loan or Corporate
Debt Security with the proceeds from the prepayment of the former. Such fees may
help mitigate any adverse impact on the yield on the Portfolio's investments
which may arise as a result of prepayments and the reinvestment of such proceeds
in Corporate Loans or Corporate Debt Securities bearing lower interest rates.
 
  Loans to non-U.S. Borrowers and to U.S. Borrowers with significant non-U.S.
dollar-denominated revenues may provide for conversion of all or part of the
loan from a U.S. dollar-denominated obligation into a foreign currency
obligation at the option of the Borrower. The Portfolio may invest in Corporate
Loans and Corporate Debt Securities which have been converted into non-U.S.
dollar-denominated obligations only when provision is made for payments to the
lenders in U.S. dollars pursuant to foreign currency swap arrangements. Foreign
currency swaps involve the exchange by the lenders, including the Portfolio,
with another party (the "counterparty") of the right to receive the currency in
which the loans are denominated for the right to receive U.S. dollars. The
Portfolio will enter into a transaction subject to a foreign currency swap only
if, at the time of entering into such swap, the outstanding debt obligations of
the counterparty are investment grade, i.e., rated BBB or A-3 or higher by
Standard & Poor's or Baa or P-3 or higher by Moody's or determined to be of
comparable quality in the judgment of the Sub-advisor. The amounts of U.S.
dollar payments to be received by the lenders and the foreign currency payments
to be received by the counterparty are fixed at the time the swap arrangement is
entered into. Accordingly, the swap protects the Portfolio from the fluctuations
in exchange rates and locks in the right to receive payments under the loan in a
predetermined amount of U.S. dollars. If there is a default by the counterparty,
the Portfolio will have contractual remedies pursuant to the swap arrangements;
however, the U.S. dollar value of the Portfolio's right to foreign currency
payments under the loan will be subject to fluctuations in the applicable
exchange rate to the extent that a replacement swap arrangement is unavailable
or the Portfolio is unable to recover damages from the defaulting counterparty.
If the Borrower defaults on or prepays the underlying Corporate Loan or
Corporate Debt Security, the Portfolio may be required pursuant to the swap
arrangements to compensate the counterparty to the extent of fluctuations in
exchange rates adverse to the counterparty. In the event of such
 
                                        9
<PAGE>   12
 
a default or prepayment, an amount of cash or high grade liquid debt securities
having an aggregate net asset value at least equal to the amount of compensation
that must be paid to the counterparty pursuant to the swap arrangements will be
maintained in a segregated account by the Portfolio's custodian.
 
DESCRIPTION OF PARTICIPATION INTERESTS AND ASSIGNMENTS
 
  A Corporate Loan in which the Portfolio may invest typically is originated,
negotiated and structured by a syndicate of Lenders consisting of commercial
banks, thrift institutions, insurance companies, finance companies or other
financial institutions, which is administered on behalf of the syndicate by an
Agent Bank. The investment of the Portfolio in a Corporate Loan may take the
form of Participation Interests or Assignments. Participation Interests may be
acquired from a Lender or other Participants. If the Portfolio purchases a
Participation Interest either from a Lender or a Participant, the Portfolio will
not have established any direct contractual relationship with the Borrower. The
Portfolio would be required to rely on the Lender or the Participant that sold
the Participation Interest not only for the enforcement of the Portfolio's
rights against the Borrower but also for the receipt and processing of payments
due to the Portfolio under the Corporate Loans. The Portfolio is thus subject to
the credit risk of both the Borrower and a Participant. Lenders and Participants
interposed between the Portfolio and a Borrower, together with Agent Banks, are
referred to herein as "Intermediate Participants."
 
  On the other hand, if the Portfolio purchases an Assignment from a Lender, the
Portfolio will generally become a "Lender" for purposes of the relevant loan
agreement, with direct contractual rights thereunder and under any related
collateral security documents in favor of the Lenders. An Assignment from a
Lender gives the Portfolio the right to receive payments of principal and
interest and other amount directly from the Borrower and to enforce its rights
as a Lender directly against the Borrower. The Portfolio will not act as an
Agent Bank guarantor, sole negotiator or sole structuror with respect to a
Corporate Loan.
 
  Because it may be necessary to assert through an Intermediate Participant such
rights as may exist against the Borrower, in the event the Borrower fails to pay
principal and interest when due, the Portfolio may be subject to delays,
expenses and risks that are greater than those that would be involved if the
Portfolio could enforce its rights directly against the Borrower. Moreover,
under the terms of a Participation, the Portfolio may be regarded as a creditor
of the Intermediate Participant (rather than of the Borrower), so that the
Portfolio may also be subject to the risk that the Intermediate Participant may
become insolvent. Similar risks may arise with respect to the Agent Bank, as
described below. Further, in the event of the bankruptcy or insolvency of the
Borrower, the obligation of the Borrower to repay the Corporate Loan may be
subject to certain defenses that can be asserted by such Borrower as a result of
improper conduct by the Agent Bank or Intermediate Participant. The Portfolio
will invest in Corporate Loans only if, at the time of investment, all
outstanding debt obligations of the Agent Bank and Intermediate Participants are
investment grade, i.e., rated BBB or A-3 or higher by Standard & Poor's or Baa
or P-3 or higher by Moody's or determined to be of comparable quality in the
judgment of the Sub-advisor.
 
  The Portfolio has no current intention of investing more than 20% of its
assets in the obligations of Borrowers in any single industry. However, because
the Fund and the Portfolio will regard the issuer of a Corporate Loan as
including the Agent Bank and any Intermediate Participant as well as the
Borrower, the Portfolio may be deemed to be concentrated in securities of
issuers in the industry group consisting of financial institutions and their
holding companies, including commercial banks, thrift institutions, insurance
companies and finance companies. As a result, the Portfolio is subject to
certain risks associated with such institutions. Banking and thrift institutions
are subject to extensive governmental regulations which may limit both the
amounts and types of loans and other financial commitments which such
institutions may make and the interest rates and fees which such institutions
may charge. The profitability of these institutions is largely dependent on the
availability and cost of capital funds, and has shown significant recent
fluctuation as a result of volatile interest rate levels. In addition, general
economic conditions are important to the operations of these institutions, with
exposure to credit losses resulting from possible financial difficulties of
borrowers potentially having an adverse effect. Insurance companies are also
affected by economic and financial conditions and are subject to extensive
government regulation, including rate regulation. The property and casualty
companies may be exposed to material risks, including reserve inadequacy, latent
health exposure and inability to collect from their reinsurance carriers. The
financial services area is currently undergoing relatively rapid change as
existing distinctions between financial service segments become less clear. In
this regard, recent business combinations have included insurance, finance and
securities brokerage under single ownership. Moreover, the federal laws
generally separating commercial and investment banking are currently being
studied by Congress.
 
  In a typical Corporate Loan, the Agent Bank administers the terms of the
Corporate Loan Agreement and is responsible for the collection of principal and
interest and fee payments from the Borrower and the apportionment of these
payments to the credit of all lenders which are parties to the Corporate Loan
Agreement. The Portfolio generally will rely on the Agent Bank or an
Intermediate Participant to collect its portion of the payments on the Corporate
Loan. Furthermore, the Portfolio will rely on the Agent Bank to use appropriate
creditor remedies against the Borrower. Typically, under Corporate Loan
Agreements, the Agent Bank is given broad discretion in enforcing the Corporate
Loan Agreement, and is obligated to use only the same care it would use in the
management of its own property. The Borrower compensates the Agent Bank for
these services. Such compensation may include special fees paid on structuring
and funding the Corporate Loan and other fees paid on a continuing basis.
 
  In the event that an Agent Bank becomes insolvent, or has a receiver,
conservator, or similar official appointed for it by the appropriate bank
regulatory authority or becomes a debtor in a bankruptcy proceeding, assets held
by the Agent Bank under the Corporate
 
                                       10
<PAGE>   13
 
Loan Agreement should remain available to holders of Corporate Loans. If,
however, assets held by the Agent Bank for the benefit of the Portfolio were
determined by an appropriate regulatory authority or court to be subject to the
claims of the Agent Bank's general or secured creditors, the Portfolio might
incur certain costs and delays in realizing payment on a Corporate Loan or
suffer a loss of principal and/or interest. In situations involving Intermediate
Participants, similar risks may arise as described above.
 
  Intermediate Participants may have certain obligations pursuant to a Corporate
Loan Agreement, which may include the obligation to make future advances to the
Borrower in connection with revolving credit facilities in certain
circumstances. The Portfolio currently intends to reserve against such
contingent obligations by segregating sufficient investments in high quality,
short-term, liquid instruments. The Portfolio will not invest in Corporate Loans
that would require the Portfolio to make any additional investments in
connection with such future advances if such commitments would exceed 20% of the
Portfolio's total assets or would cause the Portfolio to fail to meet the
diversification requirements described under "Investment Objective and
Policies."
 
ILLIQUID SECURITIES
 
  Corporate Loans and Corporate Debt Securities are, at present, not readily
marketable and may be subject to restrictions on resale. Although Corporate
Loans and Corporate Debt Securities are transferred among certain financial
institutions, as described above, the Corporate Loans and Corporate Debt
Securities in which the Portfolio invests do not have the liquidity of
conventional investment grade debt securities traded in the secondary market and
may be considered illiquid. As the market for Corporate Loans and Corporate Debt
Securities matures, the Sub-advisor expects that liquidity will improve. The
Portfolio has no limitation on the amount of its investments which are not
readily marketable or are subject to restrictions on resale. Such investments,
which may be considered illiquid, may affect the Fund's ability to realize the
net asset value in the event of a voluntary or involuntary liquidation of its
assets. To the extent that such investments are illiquid, the Portfolio may have
difficulty disposing of securities in order to enable the Fund to repurchase
shares of its Common Stock pursuant to Tender Offers, if any. The Board of
Directors of the Fund will consider the liquidity of the Portfolio's investments
in determining whether a Tender Offer should be made by the Fund. See "Net Asset
Value" for information with respect to the valuation of illiquid Corporate Loans
and Corporate Debt Securities.
 
OTHER INVESTMENT POLICIES
 
  The Fund and the Portfolio have adopted certain other policies as set forth
below:
 
  LEVERAGE. Each of the Fund and the Portfolio is authorized to borrow money in
amounts of up to 33 1/3% of the value of its total assets at the time of such
borrowings. Borrowings by the Fund and the Portfolio (commonly known as
"leveraging") create an opportunity for greater total return but, at the same
time, increase exposure to capital risk. In addition, borrowed funds are subject
to interest costs that may offset or exceed the return earned on the borrowed
funds. Neither the Fund nor the Portfolio has any current intention of borrowing
to finance additional investments. See "Special Considerations and Risk
Factors -- Effects of Leverage."
 
  REPURCHASE AGREEMENTS. The Portfolio may enter into repurchase agreements with
respect to its permitted investments but currently intends to do so only with
member banks of the Federal Reserve System or with primary dealers in U.S.
Government securities. Under a repurchase agreement, the Portfolio buys a
security at one price and simultaneously promises to sell that same security
back to the seller at a higher price. The Portfolio's repurchase agreements will
provide that the value of the collateral underlying the repurchase agreement
will always be at least equal to the repurchase price, including any accrued
interest earned on the repurchase agreement, and will be marked to market daily.
The repurchase date usually is within seven days of the original purchase date.
Repurchase agreements are deemed to be loans under the 1940 Act. In all cases,
the Sub-advisor must be satisfied with the creditworthiness of the other party
to the agreement before entering into a repurchase agreement. In the event of
the bankruptcy (or other insolvency proceeding) of the other party to a
repurchase agreement, the Portfolio might experience delays in recovering its
cash. To the extent that, in the meantime, the value of the securities the
Portfolio purchases may have declined, the Portfolio could experience a loss.
 
  LENDING OF PORTFOLIO SECURITIES. The Portfolio may from time to time lend
securities from its portfolio with a value not exceeding 33 1/3% of its total
assets to banks, brokers and other financial institutions and receive collateral
in cash or securities issued or guaranteed by the U.S. Government. Such
collateral will be maintained at all times in an amount equal to at least 100%
of the current market value of the loaned securities. This limitation is a
fundamental policy, and it may not be changed without the approval of the
holders of a majority of the Portfolio's outstanding voting securities, as
defined in the 1940 Act. The purpose of such loans is to permit the borrower to
use such securities for delivery to purchasers when such borrower has sold
short. If cash collateral is received by the Portfolio, it is invested in
short-term money market securities, and a portion of the yield received in
respect of such investment is retained by the Portfolio. Alternatively, if
securities are delivered to the Portfolio as collateral, the Portfolio and the
borrower negotiate a rate for the loaned premium to be received by the Portfolio
for lending its portfolio securities. In either event, the total yield on the
Portfolio is increased by loans of its securities. The Portfolio will have the
right to regain record ownership of loaned securities to exercise beneficial
rights such as voting rights, subscription rights and rights to dividends,
interest or other distributions. Such loans are terminable at any time. The
Portfolio may pay reasonable finder's, administrative and custodial fees in
connection with such loans. In the event that the borrower defaults on its
obligation to return borrowed securities, because of insolvency or otherwise,
the Portfolio could experience delays and costs in gaining access to the
collateral and could suffer a loss to the extent that the value of the
collateral falls below the market value of the borrowed securities.
 
                                       11
<PAGE>   14
 
  "WHEN ISSUED" AND "DELAYED DELIVERY" TRANSACTIONS. The Portfolio may also
purchase and sell interests in Corporate Loans and Corporate Debt Securities and
other portfolio securities on a "when issued" and "delayed delivery" basis. No
income accrues to the Portfolio on such interests or securities in connection
with such transactions prior to the date the Portfolio actually takes delivery
of such interests or securities. These transactions are subject to market
fluctuation; the value of the interests in Corporate Loans and Corporate Debt
Securities and other portfolio debt securities at delivery may be more or less
than their purchase price, and yield generally available on such interests or
securities when delivery occurs may be higher than yields on the interests or
securities obtained pursuant to such transactions. Because the Portfolio relies
on the buyer or seller, as the case may be, to consummate the transaction,
failure by the other party to complete the transaction may result in the
Portfolio missing the opportunity of obtaining a price or yield considered to be
advantageous. When the Portfolio is the buyer in such a transaction, however, it
will segregate with its custodian, cash or other liquid assets having an
aggregate value equal to the amount of such purchase commitments until payment
is made. The Portfolio will make commitments to purchase such interest or
securities on such basis only with the intention of actually acquiring these
interests or securities, but the Portfolio may sell such interests or securities
prior to the settlement date if such sale is considered to be advisable. To the
extent the Portfolio engaged in "when issued" and "delayed delivery"
transactions, it will do so for the purpose of acquiring interests or securities
for the Portfolio consistent with the Fund's investment objective and policies
and not for the purpose of investment leverage. No specific limitation exists as
to the percentage of the Portfolio's assets which may be used to acquire
securities on a "when issued" or "delayed delivery" basis.
 
  INTEREST RATE HEDGING TRANSACTIONS. Certain federal income tax requirements
may limit the Portfolio's ability to engage in interest rate hedging
transactions. Gains from transactions in interest rate hedges distributed to
stockholders will be taxable as ordinary income or, in certain circumstances, as
long-term capital gains. See "Taxes."
 
  The Portfolio will enter into interest rate swaps in order to hedge all of its
fixed rate Corporate Loans and Corporate Debt Securities against fluctuations in
interest rates. Interest rate swaps involve the exchange by the Portfolio with
another party of their respective commitments to pay or receive interest, such
as an exchange of fixed rate payments for floating rate payments. For example,
if the Portfolio holds a Corporate Loan or Corporate Security with an interest
rate that is reset only once each year, it may swap the right to receive
interest at this fixed rate for the right to receive interest at a rate that is
reset every week. This would enable the Portfolio to offset a decline in the
value of the Corporate Loan or Corporate Debt Security due to rising interest
rates, but would also limit its ability to benefit from falling interest rates.
 
  Inasmuch as these interest rate hedging transactions are entered into for good
faith hedging purposes, the Sub-advisor believes that such obligations do not
constitute senior securities and, accordingly, will not treat them as being
subject to its borrowing restrictions. The Portfolio usually will enter into
interest rate swaps on a net basis, i.e., the two payment streams are netted
out, with 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 the
Portfolio's obligations over its entitlements with respect to each interest rate
swap will be accrued on a daily basis, and an amount of cash or other liquid
assets having an aggregate net asset value at least equal to the accrued excess
will be segregated by the Portfolio's custodian. If the interest rate swap
transaction is entered into on other than a net basis, the full amount of the
Portfolio's obligations will be accrued on a daily basis, and the full amount of
the Portfolio's obligations will be segregated by the Portfolio's custodian. The
Portfolio will not enter into any interest rate hedging transaction unless the
Sub-advisor considers the credit quality of the unsecured senior debt or the
claims-paying ability of the other party thereto to be investment grade. If
there is a default by the other party to such a transaction, the Portfolio will
have contractual remedies pursuant to the agreements related to the transaction
but such remedies may be subject to bankruptcy and insolvency laws which could
affect the Portfolio's rights as a creditor. 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, many portions of the swap market have become
relatively liquid in comparison with other similar instruments traded in the
interbank market. In addition, although the terms of interest rate swaps may
provide for termination, there can be no assurance the Portfolio will be able to
terminate an interest rate swap or to sell or offset interest rate caps or
floors that it has purchased.
 
  The use of interest rate hedges is a highly specialized activity which
involves investment techniques and risks different from those associated with
ordinary portfolio transactions. If the Sub-advisor is incorrect in its
forecasts of market values, interest rates and other applicable factors, the
investment performance of the Fund would diminish compared with what it would
have been if these investment techniques were not used.
 
  Except as noted above, there is no limit on the amount of interest rate
hedging transactions that may be entered into by the Portfolio. These
transactions do not involve the delivery of securities or other underlying
assets or principal. Accordingly, the risk of loss with respect to interest rate
hedges is limited to the net amount of interest payments that the Portfolio is
contractually obligated to make. If the Corporate Loan underlying an interest
rate swap is prepaid and the Portfolio continues to be obligated to make
payments to the other party to the swap, the Portfolio would have to make such
payments from another source. If the other party to an interest rate swap
defaults, the Portfolio's risk of loss consists of the net amount of interest
payments that the Portfolio contractually is entitled to receive. Since interest
rate transactions are individually negotiated, the Sub-advisor expects to
achieve an acceptable degree of correlation between the Portfolio's rights to
receive interest on Participation Interests and its rights and obligations to
receive and pay interest pursuant to interest rate swaps.
 
                                       12
<PAGE>   15
 
- --------------------------------------------------------------------------------
 
INVESTMENT RESTRICTIONS
 
  The following are fundamental investment restrictions of the Fund and the
Portfolio and, prior to issuance of any preferred stock, may not be changed
without the approval, respectively, of the holders of a majority of the Fund's
or the Portfolio's outstanding shares of Common Stock (which for this purpose
and under the 1940 Act means the lesser of (i) 67% of the shares of Common Stock
represented at a meeting at which more than 50% of the outstanding shares of
Common Stock are represented or (ii) more than 50% of the outstanding shares).
Subsequent to any issuance of a class of preferred stock, the following
investment restrictions could not be changed without the approval of a majority
of the outstanding shares of Common Stock and of the preferred stock, voting
together as a class, and the approval of a majority of the outstanding shares of
preferred stock, voting separately by class. The Fund and the Portfolio each may
not:
 
          1. Borrow money or issue senior securities, except as permitted by
     Section 18 of the 1940 Act.
 
          2. Purchase or sell real estate; provided that the Fund and the
     Portfolio may invest in securities secured by real estate or interests
     therein or issued by companies which invest in real estate or interests
     therein.
 
          3. Underwrite securities of other issuers except insofar as the Fund
     or the Portfolio may be deemed an underwriter under the Securities Act of
     1933 in selling portfolio securities.
 
          4. Make loans to other persons, except that the Fund and the Portfolio
     may invest in loans (including Assignments and Participations, and
     including secured or unsecured Corporate Loans), purchase debt securities,
     enter into repurchase agreements, and lend its portfolio securities.
 
          5. Invest more than 25% of its total assets in the securities of
     issuers in any one industry; provided that this limitation shall not apply
     with respect to obligations issued or guaranteed by the U.S. Government or
     by its agencies or instrumentalities; and provided further that the Fund
     and the Portfolio may each invest more than 25% of its assets in securities
     of issuers in the industry group consisting of financial institutions and
     their holding companies, including commercial banks, thrift institutions,
     insurance companies and finance companies. For purposes of this
     restriction, the term "issuer" includes the Borrower, the Agent Bank and
     any Intermediate Participant (as defined under "Investment Objective and
     Policies Description of Participation Interests and Assignments").
 
          6. Purchase or sell physical commodities, but the Fund and the
     Portfolio each may purchase, sell or enter into financial options and
     futures, forward and spot currency contracts, swap transactions and other
     financial contracts or derivative instruments.
 
  An additional investment restriction adopted by the Fund and the Portfolio,
which may be changed by their respective Board of Directors or Board of
Trustees, provides that neither the Fund nor the Portfolio may mortgage, pledge,
hypothecate or in any manner transfer, as security for indebtedness, any
securities owned or held by the Fund or the Portfolio except as may be necessary
in connection with hedging techniques involving interest rate transactions,
foreign currency swap transactions relating to non-U.S. dollar-denominated loans
and permitted borrowings by the Fund and the Portfolio.
 
  If a percentage restriction on investment policies or the investment or use of
assets set forth above is adhered to at the time a transaction is effected,
later changes in percentage resulting from changing values will not be
considered a violation.
 
- --------------------------------------------------------------------------------
 
SPECIAL CONSIDERATIONS AND RISK FACTORS
 
  EFFECTS OF LEVERAGE. Each of the Fund and the Portfolio may borrow money in
amounts up to 33 1/3% of the value of its total assets to finance tender offers,
for temporary, extraordinary or emergency purposes, or for the purpose of
financing additional investments. See "Tender Offers." The Fund also may issue
one or more series of preferred shares, although it has no present intention to
do so. The Portfolio or Fund, as the case may be, may borrow to finance
additional investments or issue a class of preferred shares only when it
believes that the return that may be earned on investments purchased with the
proceeds of such borrowings or offerings will exceed the costs, including debt
service and dividend obligations, associated with such borrowings or offerings.
However, to the extent such costs exceed the return on the additional
investments, the return realized by the Fund's Common Stockholders will be
adversely affected.
 
  Capital raised through leverage is subject to interest costs or dividend
payments which may or may not exceed the interest paid on the assets purchased.
In addition, the Fund and the Portfolio also may be required to maintain minimum
average balances in connection with borrowings or to pay a commitment or other
fee to maintain a line of credit. Either of these requirements will increase the
cost of borrowing over the stated interest rate. Issuing additional classes of
preferred shares involves offering expenses and other costs and may limit the
Fund's freedom to pay dividends on shares of Common Stock or to engage in other
activities. Borrowing and issuing a class of preferred stock having priority
over the Fund's Common Stock can create an opportunity for greater income per
share of Common Stock, but such borrowing or issuance is also a speculative
technique that will increase the Fund's exposure to capi-
 
                                       13
<PAGE>   16
 
tal risk. Such risks may be reduced through the use of borrowings and preferred
stock that have floating rates of interest. Unless the income and appreciation,
if any, on assets acquired with borrowed funds or offering proceeds exceeds the
costs of borrowing or issuing additional classes of securities, the use of
leverage will diminish the investment performance of the Fund, as compared to
what it would have been without leverage.
 
  The Fund has entered into agreements with two financial institutions ("Banks")
providing for unsecured, discretionary credit facilities ("Facilities"), the
proceeds of which may be used to finance, in part, the payment of shares
tendered in a Tender Offer by the Fund. The Facilities provide for the borrowing
by the Fund of up to the lesser of $150,000,000 and $100,000,000, respectively,
or 33 1/3% of the Fund's total assets, on an unsecured, uncommitted basis. Loans
made under the Facilities bear interest at one of three interest rates, to be
selected at the option of the Fund:
 
- - an Adjusted Eurodollar Rate, which is based on LIBOR plus a reserve percentage
  established by the Federal Reserve;
 
- - a Base Rate, which is the greater of: (i) the annual rate of interest
  announced from time to time by the Bank; and (ii) the federal funds effective
  rate, as established by the Federal Reserve, plus 1/2 of 1% per annum; or
 
- - a Money Market Rate, which is quoted by the Bank as the fixed rate of interest
  at which it is willing to make a money market loan.
 
  Under the 1940 Act, once either the Fund or the Portfolio incurs indebtedness,
it must immediately have asset coverage of 300% of the aggregate outstanding
principal balance of indebtedness in place. Additionally, the 1940 Act requires
that, before the Fund declares any dividend or other distribution upon any class
of its capital stock, or purchases any such capital stock, it have in place
asset coverage of at least 300% of the aggregate indebtedness of the Fund, after
deducting the amount of such dividend, distribution, or purchase price.
 
  The Fund's and the Portfolio's willingness to borrow money for investment
purposes, and the amount each borrows depends upon many factors, the most
important of which are investment outlook, market conditions and interest rates.
Successful use of a leveraging strategy depends on the Sub-advisor's ability to
predict correctly interest rates and market movements, and a leveraging strategy
may not be successful during any period in which it is employed.
 
  CREDIT RISK. Corporate Loans and Corporate Debt Securities may constitute
substantially all of the Portfolio's investments. Corporate Loans and Corporate
Debt Securities are primarily dependent upon the creditworthiness of the
Borrower for payment of interest and principal. If the Portfolio doesn't receive
scheduled interest or principal payments on a Corporate Loan or Corporate Debt
Security it may adversely affect the income of the Portfolio or the value of its
investments, which may in turn reduce the amount of dividends or the net asset
value of the shares of the Fund. The Portfolio's ability to receive payment of
principal of and interest on a Corporate Loan or a Corporate Debt Security also
depends upon the creditworthiness of any institution interposed between the
Portfolio and the Borrower. To reduce credit risk, the Sub-advisor actively
manages the Portfolio as described above.
 
  Corporate Loans and Corporate Debt Securities made in connection with
leveraged buy-outs, recapitalizations and other highly leveraged transactions
are subject to greater credit risks than many of the other Corporate Loans and
Corporate Debt Securities in which the Portfolio may invest. These credit risks
include the possibility of default on the Corporate Loan or Corporate Debt
Security or bankruptcy of the Borrower. The value of such Corporate Loans and
Corporate Debt Securities are also subject to a greater degree of volatility in
response to interest rate fluctuations and may be less liquid than other
Corporate Loans and Corporate Debt Securities.
 
  Although Corporate Loans and Corporate Debt Securities in which the Portfolio
invests generally hold the most senior position in the capitalization structure
of the Borrowers, the capitalization of many Borrowers also includes
non-investment grade subordinated debt. During periods of deteriorating economic
conditions, a Borrower may experience difficulty in meeting its payment
obligations under such bonds and other subordinated debt obligations. Such
difficulties may detract from the Borrower's perceived creditworthiness or its
ability to obtain financing to cover short-term cash flow needs and may force
the Borrower into bankruptcy or other forms of credit restructuring.
 
  COLLATERAL IMPAIRMENT. Corporate Loans and Corporate Debt Securities
(excluding Unsecured Corporate Loans and Unsecured Corporate Debt Securities)
will be secured unless (i) the Portfolio's security interest in the collateral
is invalidated for any reason by a court or (ii) the collateral is fully
released under the terms of a loan agreement as the creditworthiness of the
Borrower improves. The liquidation of collateral may not satisfy the Borrower's
obligation in the event of nonpayment of scheduled interest or principal and
that collateral may not be readily liquidated. The value of collateral is
generally determined by reference to: (i) financial statements of the Borrower,
(ii) an independent appraisal performed at the request of the Agent Bank at the
time the Corporate Loan was initially made, (iii) the market value of such
collateral (e.g., cash or securities) if it is readily ascertainable, and/or
(iv) other customary valuation techniques considered appropriate in the judgment
of the Sub-advisor. Collateral is generally valued on the basis of the
Borrower's status as a going concern and such valuation may exceed the immediate
liquidation value of the collateral.
 
  Collateral may include: (i) working capital assets, such as accounts
receivable and inventory; (ii) tangible fixed assets, such as real property,
buildings, and equipment; (iii) intangible assets, such as trademarks and patent
rights (but excluding goodwill); and (iv) security interests in shares of stock
of subsidiaries or affiliates. Corporate Loans and Corporate Debt Securities
collateralized by the stock of the Borrower's subsidiaries and other affiliates
are subject to the risk that the stock will decline in value. Such declines in
 
                                       14
<PAGE>   17
 
value, whether a result of bankruptcy proceedings or otherwise, could cause the
Corporate Loans or Corporate Debt Securities to become undercollateralized or
unsecured. Most credit agreements do not formally require Borrowers to pledge
additional collateral.
 
  There may be temporary periods in which the principal asset held by a Borrower
is the stock of a related company, which may not legally be pledged to secure a
Corporate Loan or Corporate Debt Security. During such periods, the Corporate
Loan or Corporate Debt Security will temporarily be unsecured, until the legal
restriction on pledging the stock has been lifted or the stock is exchanged for
other assets that may be pledged as collateral for the Corporate Loan or
Corporate Debt Security. The Borrower's ability to dispose of such securities,
other than in connection with such pledge or exchange, is strictly limited for
the protection of the holders of Corporate Loans.
 
  The shareholders or owners of non-public companies may provide as collateral
for Corporate Loans secured guarantees and/or security interests in assets that
they own as individuals. These Corporate Loans may be fully secured by the
assets of such shareholders or owners, even if they are not otherwise
collateralized by any assets of the Borrower.
 
  If a Borrower becomes involved in bankruptcy proceedings, a court may
invalidate the Portfolio's security interest in the Corporate Loan or Corporate
Debt Security collateral or subordinate the Portfolio's rights under the
Corporate Loan or Corporate Debt Security to the interests of the Borrower's
unsecured creditors. Such an action could be based, for example, on a
"fraudulent conveyance" claim to the effect that the Borrower did not receive
fair consideration for granting the security interest in the Corporate Loan or
Corporate Debt Security collateral to the Portfolio. For Corporate Loans or
Corporate Debt Securities made in connection with a highly leveraged
transaction, consideration for granting a security interest may be deemed
inadequate if the proceeds of the Corporate Loan or Corporate Debt Security were
not received or retained by the Borrower, but were instead paid to other persons
(such as shareholders of the Borrower) in an amount which left the Borrower
insolvent or without sufficient working capital. There are also other events,
such as the failure to perfect a security interest due to faulty documentation
or faulty official filings, which could lead to the invalidation of the
Portfolio's security interest in Corporate Loan or Corporate Debt Security
collateral. If the Portfolio's security interest in Corporate Loan or Corporate
Debt Security collateral is invalidated or the Corporate Loan or Corporate Debt
Security is subordinated to other debt of a Borrower in bankruptcy or other
proceedings, it is unlikely that the Portfolio would be able to recover the full
amount of the principal and interest due on the Corporate Loan or Corporate Debt
Security.
 
  INVESTMENTS IN LOWER RATED SECURITIES. The Portfolio may invest all or
substantially all of its assets in Corporate Loans, Corporate Debt Securities or
other securities that are rated below investment grade by Moody's, comparably
rated by another NRSRO, or, if unrated, determined by the Sub-advisor to be of
equivalent quality. Debt rated Baa by Moody's is considered by Moody's to have
speculative characteristics. Debt rated Ba or B 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. Securities rated Ba and lower are the
equivalent of high yield, high risk bonds, commonly known as "junk bonds," and
involve a high degree of risk. The Sub-advisor does not expect to invest in any
securities rated lower than B3 at the time of investment. If Corporate Loans or
Corporate Debt Securities are downgraded, the Sub-advisor will consider whether
it will dispose of such Corporate Loans or Corporate Debt Securities.
 
  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 -- Description of Debt Securities Ratings" for a full
discussion of Moody's ratings.
 
  The market values of lower quality debt securities tend to reflect individual
developments of the issuer to a greater extent than do higher quality
securities, which react primarily to fluctuations in the general level of
interest rates. In addition, lower quality debt securities tend to be more
sensitive to economic conditions and generally have more volatile prices than
higher quality securities. During an economic downturn or a sustained period of
rising interest rates, issuers of lower quality debt securities may not have
sufficient revenues to meet their interest payment obligations. Specific
developments affecting the issuer, such as the issuer's inability to meet
specific projected business forecasts or the unavailability of additional
financing may adversely affect the issuer's ability to service its debt
obligations.
 
  EFFECT OF INTEREST RATE CHANGES. Generally, changes in interest rates may
affect the market value of debt investments, resulting in changes in the net
asset value of the shares of funds investing in such investments. Portfolios
consisting primarily of floating and variable rate Corporate Loans, Corporate
Debt Securities, Unsecured Corporate Loans, Unsecured Corporate Debt Securities,
and short-term instruments are expected to experience less significant
fluctuations in value as a result of interest rate changes than portfolios of
fixed rate obligations. However, prepayments of principal by Borrowers (whether
as a result of a decline in interest rates or excess cash flow) may require that
the Portfolio replace its Corporate Loans, Corporate Debt Securities or other
investments with lower yielding securities, which may adversely affect the net
asset value of the Portfolio.
 
  ILLIQUID INVESTMENTS AND TENDER OFFERS. Some or all of the Corporate Loans and
Corporate Debt Securities in which the Portfolio may invest are considered
illiquid, which may impair the Portfolio's ability to realize the full value of
its assets in the event of a voluntary or involuntary liquidation of such
assets. To the extent that such investments are illiquid, the Portfolio may have
difficulty
 
                                       15
<PAGE>   18
 
disposing of portfolio securities and the Fund may in turn have difficulty
repurchasing shares of its Common Stock pursuant to any Tender Offers that may
be made. The Board of Directors of the Fund will consider the liquidity of the
Portfolio's securities in determining whether a Tender Offer should be made by
the Fund and, if a Tender Offer is made, for what percentage of the Fund's
outstanding shares the Tender Offer should be made. See "Determination of Net
Asset Value" for information with respect to the valuation of illiquid Corporate
Loans.
 
  ANTI-TAKEOVER PROVISIONS. The Fund's Articles of Incorporation include
provisions that could have the effect of limiting the ability of other entities
or persons to acquire control of the Fund or to change the composition of its
Board of Directors. These provisions could have the effect of depriving holders
of Common Stock of opportunities to sell their shares at a premium over
prevailing market prices by discouraging third parties from seeking to obtain
control of the Fund. See "Description of Capital Stock -- Certain Anti-Takeover
Provisions of the Articles of Incorporation."
 
  PORTFOLIO MANAGEMENT AND OTHER CONSIDERATIONS. If short-term interest rates or
other market conditions change to the point where the Fund's or the Portfolio's
leverage could adversely affect holders of Common Stock, or in anticipation of
such changes, the Portfolio may attempt to shorten the average maturity of its
investment portfolio. Shortening the portfolio's average maturity would tend to
offset the negative impact of leverage on holders of Common Stock.
 
  CONCENTRATION. Each of the Fund and the Portfolio is registered as a
"non-diversified" investment company so that it may invest more than 5% of its
assets in the obligations of any single issuer. This is subject to the
diversification requirements of Subchapter M of the Internal Revenue Code of
1986, as amended (the "Code"), which is applicable to the Fund (and which the
Portfolio intends to satisfy). Since the Portfolio may invest a relatively high
percentage of its assets in the obligations of a limited number of issuers, the
Fund may be more susceptible than a more widely diversified fund to any single
economic, political or regulatory occurrence. However, the Portfolio has no
current intention of investing more than 15% of its assets in the obligations of
any single Borrower.
 
  Although the Portfolio may, consistent with its fundamental limitations,
invest up to 25% of its total assets in the obligations of Borrowers in any
single industry, the Sub-advisor has no current intention of investing more than
20% of the Portfolio's assets in the obligations of Borrowers in any single
industry. However, because the Fund and the Portfolio regard the issuer of a
Corporate Loan as including the Agent Bank and any Intermediate Participant as
well as the Borrower, the Portfolio may be considered to be concentrated in
securities of issuers in the industry group consisting of financial institutions
and their holding companies, including commercial banks, thrift institutions,
insurance companies and finance companies. As a result, the Portfolio is subject
to certain risks associated with such institutions, including, among other
things, changes in governmental regulation, interest rate levels and general
economic conditions.
 
  YEAR 2000. The value of your shares could be adversely affected if the
computer systems used by AIM and the Sub-advisor and the Fund's other service
providers are unable to distinguish the year 2000 from the year 1900. AIM and
independent technology consultants are working to avoid year 2000-related
problems in its systems and to obtain assurances that other service providers
are taking similar steps. Year 2000 problems may also affect issuers in whose
securities the Fund invests.
 
  FUND/PORTFOLIO INVESTMENT STRUCTURE. Investors should be aware that the Fund,
unlike other investment companies that directly acquire and manage their own
portfolios of securities, seeks to achieve its investment objective by investing
all of its investable assets in the Portfolio, which is a separate investment
company with an identical investment objective (although the Fund may
temporarily hold a de minimis amount of cash). Therefore, the Fund's interest in
the securities owned by the Portfolio is indirect. In addition to selling
interests to the Fund, the Portfolio may sell interests to other affiliated and
non-affiliated investment companies or institutional investors. Such investors
will invest in the Portfolio on the same terms and conditions and will pay a
proportionate share of the Portfolio's expenses. However, other investors
investing in the Portfolio are not required to sell their shares at the same
public offering price as the Fund due to variations in sales commissions and
other operating expenses. Therefore, investors in the Fund should be aware that
these differences may result in differences in returns experienced by investors
in other funds that may invest in the Portfolio. Such differences in returns are
also present in other mutual fund structures, including funds that have multiple
classes of shares.
 
  The Board of Directors of the Fund has considered the advantages and
disadvantages of investing the assets of the Fund in the Portfolio, as well as
the advantages and disadvantages of the two-tier format. The Directors believe
that the structure offers opportunities for substantial growth in the assets of
the Portfolio and affords the potential for economies of scale for the Fund.
 
  The Fund may withdraw (redeem) all or any part of its interest in the
Portfolio only pursuant to tender offers by the Portfolio. The Portfolio's Board
of Trustees presently intends each quarter to consider the making of such tender
offers. However, there can be no assurance that the Portfolio's Board of
Trustees will, in fact, decide to undertake the making of such a tender offer.
See "Tender Offers." If the Fund withdraws all of its assets from the Portfolio,
or the Board of Directors of the Fund determines that the investment objective
of the Portfolio is no longer consistent with the investment objective of the
Fund, the Directors will consider what action might be taken, including
investing the assets of the Fund in another pooled investment entity or
retaining an investment advisor to manage the Fund's assets in accordance with
its investment objective. The Fund's investment performance may be affected by a
withdrawal of all of its assets from the Portfolio. Of course, a complete
withdrawal of Fund assets could be accomplished only pursuant to a Portfolio
tender offer. Any such withdrawal could result in a distribution "in kind" of
portfolio Loans and noncash assets (as opposed to a cash distribution from the
Portfolio). If Loans and noncash assets are distributed, the Fund could incur
brokerage, tax or other
 
                                       16
<PAGE>   19
 
charges in converting them to cash. In addition, the distribution in kind may
result in a less diversified portfolio of investments and will adversely affect
the liquidity of the Fund. Alternatively, the Fund could meet stockholder
redemption requests by borrowing.
 
  Smaller investors in the Portfolio may be adversely affected by the actions of
a larger investor in the Portfolio. For example, if a large investor withdraws a
significant amount of assets from the Portfolio, the remaining investors may
experience higher pro rata operating expenses, thereby producing lower returns.
Additionally, the Portfolio may hold fewer securities, resulting in increased
portfolio risk, and experience decreasing economies of scale. However, this
possibility exists as well for historically structured mutual funds that have
large or institutional investors.
 
  Funds that invest all their assets in interests in a separate investment
company are a relatively new development in the investment company industry and,
therefore, the Fund may be subject to more regulation than historically
structured funds.
 
  Whenever the Fund as an investor in the Portfolio is requested to vote on
matters pertaining to the Portfolio (other than the termination of the
Portfolio's business, which may be determined by the Trustees of the Portfolio
without investor approval), the Fund will hold a meeting of Fund stockholders
and will vote its interest in the Portfolio for or against such matters
proportionately to the instructions to vote for or against such matters received
from Fund stockholders. The Fund will vote shares for which it receives no
voting instructions in the same proportion as the shares for which it receives
voting instructions. Other investors in the Portfolio may alone or collectively
acquire sufficient voting interests in the Portfolio to control matters relating
to the operation of the Portfolio or take other appropriate action.
 
- --------------------------------------------------------------------------------
 
PURCHASE OF SHARES
 
  The Fund continuously offers its shares of Common Stock through securities
dealers that have entered into selected dealer agreements with the Distributor.
During any continuous offering of the Fund's Common Stock, shares of the Fund
may be purchased through such selected dealers.
 
  The Fund offers its shares at a price equal to the next determined net asset
value per share without a front-end sales charge. As to purchase orders received
by securities dealers prior to the close of business on the New York Stock
Exchange, Inc. (the "NYSE") (generally, 4:00 p.m., New York time), which
includes orders received after the close of business on the previous day, the
applicable offering price will be based on the net asset value determined as of
15 minutes after the close of business on the NYSE on that day provided the
Distributor in turn receives the order from the securities dealer prior to 30
minutes after the close of business on the NYSE on that day. If the purchase
orders are not received by the Distributor prior to 30 minutes after the close
of business on the NYSE, such orders shall be deemed received on the next
business day. Any order may be rejected by the Distributor or the Fund. The Fund
or the Distributor may suspend the continuous offering of the Fund's shares at
any time in response to conditions in the securities markets or otherwise and
may thereafter resume such offering from time to time. Neither the Distributor
nor the dealers are permitted to withhold placing orders to benefit themselves
by a price change. The Distributor is required to advise the Fund promptly of
all purchase orders and cause payments for shares of Common Stock to be
delivered promptly to the Fund.
 
  Due to the administrative complexities associated with a continuous offering,
administrative errors may result in the Distributor or an affiliate
inadvertently acquiring nominal numbers (in no event in excess of 5% of the
shares of Common Stock) of shares of Common Stock which it may wish to resell.
Such shares of Common Stock will not be subject to any investment restriction
and may be resold pursuant to this Prospectus.
 
  The Distributor compensates selected dealers at a rate of 3.0% of amounts
sold. If the shares remain outstanding after twelve months from the date of
their original purchase, the Distributor will additionally compensate such
dealers quarterly at an annual rate based on a percentage of the value of such
shares sold by such dealers and remaining outstanding, in accordance with the
following schedule:
 
<TABLE>
<CAPTION>
                                                                ANNUAL COMPENSATION AS A
                      YEAR AFTER DATE                         PERCENTAGE OF VALUE OF SHARES
                    OF ORIGINAL PURCHASE                               OUTSTANDING
                    --------------------                      -----------------------------
<S>                                                           <C>
First.......................................................              0.00%
Second......................................................              0.10%
Third.......................................................              0.15%
Fourth......................................................              0.20%
Fifth and following.........................................              0.25%
</TABLE>
 
  The compensation paid to selected dealers and the Distributor, including the
compensation paid at the time of purchase, the quarterly payments mentioned
above and the early withdrawal charge, if any, will not in the aggregate exceed
the applicable limit, as determined from time to time by the National
Association of Securities Dealers, Inc. ("NASD").
 
                                       17
<PAGE>   20
 
- --------------------------------------------------------------------------------
 
TENDER OFFERS
 
  In recognition of the possibility that a secondary market for the Fund's
shares will not exist, the Fund may take actions that will provide liquidity to
stockholders. The Fund may from time to time make Tender Offers, i.e., offers to
repurchase all or a portion of its shares of Common Stock from stockholders at a
price per share equal to the net asset value per share of the Common Stock
determined at the close of business on the day an offer terminates. The Board of
Directors considers each quarter the making of Tender Offers. There can be no
assurance that the Board will decide to undertake a Tender Offer in any
particular quarter. In addition, any partial Tender Offer by the Fund may result
in a proration of the shares repurchased from the Fund's Common Stockholders who
participate in the Tender Offer. Subject to the Fund's investment restriction
with respect to borrowings, the Fund may borrow money to finance the repurchase
of shares pursuant to any Tender Offers. See "Special Considerations and Risk
Factors -- Effects of Leverage" and "Investment Restrictions."
 
  The Fund's assets consist primarily of its interest in the Portfolio.
Therefore, in order to finance the repurchase of Fund shares pursuant to Tender
Offers, the Fund may find it necessary to liquidate all or a portion of its
interest in the Portfolio. Because interests in the Portfolio may not be
transferred, the Fund may withdraw a portion of its interest only pursuant to
tender offers by the Portfolio. The Fund will not conduct a Tender Offer for
Fund shares unless the Portfolio simultaneously conducts a tender offer for
Portfolio interests. The Portfolio's Trustees presently intend each quarter to
consider the making of such tender offers. However, there are no assurances that
the Portfolio's Board of Trustees will, in fact, decide to undertake such a
tender offer. The Fund cannot make a Tender Offer larger than a tender offer
made by the Portfolio. The Portfolio will make tender offers, if any, to all of
its investors, including the Fund, on the same terms, which practice may affect
the size of the Portfolio's offers. Subject to the Portfolio's investment
restriction with respect to borrowings, the Portfolio may borrow money or issue
debt obligations to finance its repurchase obligations pursuant to any such
tender offer.
 
  The Fund expects that ordinarily there will be no secondary market for the
Fund's Common Stock and that periodic Tender Offers will be the only source of
liquidity for Fund stockholders. Nevertheless, if a secondary market develops
for the Common Stock of the Fund, the market price of the shares may vary from
net asset value from time to time. Such variance may be affected by, among other
factors, relative demand and supply of shares and the performance of the Fund,
especially as it affects the yield on and net asset value of the Common Stock of
the Fund. A Tender Offer for shares of Common Stock of the Fund at net asset
value is expected to reduce any spread between net asset value and market price
that may otherwise develop. However, there can be no assurance that such action
would result in the Fund's Common Stock trading at a price that equals or
approximates net asset value.
 
  Although the Board of Directors believes that the Tender Offers generally
would be beneficial to holders of the Fund's Common Stock, the acquisition of
shares of Common Stock by the Fund will decrease the total assets of the Fund
and therefore have the likely effect of increasing the Fund's expense ratio
(assuming such acquisition is not offset by the issuance of additional shares of
Common Stock). Furthermore, to the extent the Fund borrows to finance the making
of Tender Offers, interest on such borrowings reduce the Fund's net investment
income.
 
  It is the Board of Directors' announced policy, which may be changed by the
Board, not to repurchase shares pursuant to a Tender Offer if (1) such
repurchases would terminate the Fund's status as a RIC under the Code (which
would make the Fund a taxable entity, causing its income to be taxed at the
corporate level in addition to the taxation of stockholders who receive
dividends from the Fund); (2) the Portfolio would not be able to liquidate
portfolio securities in a manner that is orderly and consistent with the Fund's
investment objective and policies in order to repurchase Common Stock tendered
pursuant to the Tender Offer; or (3) there is, in the Board's judgment, any (a)
legal action or proceeding instituted or threatened challenging the Tender Offer
or otherwise materially adversely affecting the Fund, (b) declaration of a
banking moratorium by federal or state authorities or any suspension of payment
by banks in the United States or New York State, which is material to the Fund,
(c) limitation imposed by federal or state authorities on the extension of
credit by lending institutions, (d) commencement of war, armed hostilities or
other international or national calamity directly or indirectly involving the
United States which is material to the Fund, or (e) other event or condition
which would have a material adverse effect on the Fund or its stockholders if
shares of Common Stock tendered pursuant to the Tender Offer were purchased.
Thus, there can be no assurance that the Board will proceed with any Tender
Offer. The Board of Directors may modify these conditions in light of
circumstances existing at the time. If the Board of Directors determines to
repurchase the shares of Common Stock pursuant to a Tender Offer, such
repurchases could significantly reduce the asset coverage of any borrowing or
outstanding senior securities. The Fund may not repurchase shares of Common
Stock to the extent such repurchases would result in the asset coverage with
respect to such borrowing or senior securities being reduced below the asset
coverage requirement set forth in the 1940 Act. Accordingly, in order to
repurchase all shares of Common Stock tendered, the Fund may have to repay all
or part of any then outstanding borrowing or redeem all or part of any then
outstanding senior securities to maintain the required asset coverage. See
"Special Considerations and Risk Factors -- Effects of Leverage." In addition,
the amount of shares of Common Stock for which the Fund makes any particular
Tender Offer may be limited for the reasons set forth above or in respect of
other concerns related to liquidity of the Portfolio.
 
  In conducting any Tender Offers, the Fund expects to rely on a rule
promulgated by the Securities and Exchange Commission that requires, among other
things, that there not be a widely available secondary market for the Fund's
Common Stock. In the event that circumstances arise under which the Fund does
not conduct the Tender Offers regularly, the Board of Directors would consider
alter-
 
                                       18
<PAGE>   21
 
native means of providing liquidity for holders of Common Stock. Such action
would include an evaluation of any secondary market that then existed and a
determination of whether such market provided liquidity for holders of Common
Stock. If the Board of Directors determines that such market, if any, fails to
provide liquidity for the holders of Common Stock, the Board expects that it
will consider all then available alternatives to provide such liquidity. Among
the alternatives that the Board of Directors may consider is the listing of the
Fund's Common Stock on a major domestic stock exchange or on the Nasdaq Stock
Market in order to provide such liquidity. The Board of Directors also may
consider causing the Fund to repurchase its shares from time to time in
open-market or private transactions when it can do so on terms that represent a
favorable investment opportunity. In any event, the Board of Directors expects
that it will cause the Fund to take whatever action it deems necessary or
appropriate to provide liquidity for the holders of Common Stock in light of the
facts and circumstances existing at such time.
 
  To consummate a tender offer for the repurchase of interests in the Portfolio
(which may be necessary for the Fund to complete a Tender Offer), the Portfolio
may be required to liquidate portfolio securities, and realize gains or losses,
at a time when the Sub-advisor would otherwise consider it disadvantageous to do
so.
 
  Each Tender Offer will be made and stockholders notified in accordance with
the requirements of the Securities Exchange Act of 1934 and the 1940 Act, either
by publication or mailing or both. The offering documents will contain such
information as is prescribed by such laws and the rules and regulations
promulgated thereunder. The repurchase of tendered shares by the Fund is a
taxable event. See "Taxes." The Fund will pay all costs and expenses associated
with the making of any Tender Offer. An Early Withdrawal Charge will be imposed
on most shares accepted for tender that have been held for less than four years.
See "Early Withdrawal Charge."
 
- --------------------------------------------------------------------------------
 
EARLY WITHDRAWAL CHARGE
 
  An Early Withdrawal Charge to recover distribution expenses incurred by the
Distributor will be charged against the stockholder's investment account and
paid to the Distributor in connection with most shares of Common Stock held for
less than four years which are accepted by the Fund for repurchase pursuant to a
Tender Offer in the manner described below. The Early Withdrawal Charge will be
imposed on those shares of Common Stock accepted for tender based on an amount
equal to the lesser of the then current net asset value of the shares of Common
Stock or the original purchase price of the shares of Common Stock being
tendered. Accordingly, the Early Withdrawal Charge is not imposed on increases
in the net asset value above the initial purchase price. In addition, the Early
Withdrawal Charge is not imposed on shares derived from reinvestments of
dividends or capital gains distributions. In determining whether an Early
Withdrawal Charge is payable, it is assumed that the acceptance of an offer to
repurchase pursuant to a Tender Offer would be made from the earliest purchase
of shares of Common Stock. The Early Withdrawal Charge imposed will vary
depending on the length of time the Common Stock has been owned since purchase
(separate purchases shall not be aggregated for these purposes), as set forth in
the following table:
 
<TABLE>
<CAPTION>
                                                                EARLY
                     YEAR OF REPURCHASE                       WITHDRAWAL
                       AFTER PURCHASE                           CHARGE
                     ------------------                       ----------
<S>                                                           <C>
First.......................................................     3.0%
Second......................................................     2.5%
Third.......................................................     2.0%
Fourth......................................................     1.0%
Fifth and following.........................................     0.0%
</TABLE>
 
  In determining whether an Early Withdrawal Charge is applicable to a tender of
shares of Common Stock, the calculation will be determined in the manner that
results in the lowest possible amount being charged. Therefore, it will be
assumed that the tender is first of shares of Common Stock held for over four
years and shares of Common Stock acquired pursuant to reinvestment of dividends
or distributions and then of shares of Common Stock held longest during the
three-year period. The Early Withdrawal Charge will not be applied to dollar
amounts representing an increase in the net asset value since the time of
purchase.
 
  EXAMPLE. Assume an investor purchased 1,000 shares of Common Stock (at a cost
of $10,000) and in the second year after purchase, the net asset value per share
is $10.15 and, during such time, the investor has acquired 100 additional shares
of Common Stock upon dividend reinvestment. If at such time the investor makes
his first redemption of 500 shares of Common Stock (proceeds of $5,075), 100
shares will not be subject to the Early Withdrawal Charge because of dividend
reinvestment. With respect to the remaining 400 shares of Common Stock, the
Early Withdrawal Charge is applied only to the original cost of $10 per share
and not to the increase in net asset value of $0.15 per share. Therefore, $4,000
of the $5,075 redemption proceeds will be charged at a rate of 2.5% (the
applicable rate in the second year after purchase).
 
                                       19
<PAGE>   22
 
- --------------------------------------------------------------------------------
 
MANAGEMENT
 
  Each of the Fund's Board of Directors and the Portfolio's Board of Trustees
has overall responsibility for the operation of the Fund and the Portfolio,
respectively. Pursuant to such responsibility, each Board has approved contracts
with various financial organizations to provide, among other things, day-to-day
management services required by the Fund and the Portfolio.
 
INVESTMENT MANAGEMENT
 
  The Investment Management and Administration Contract provides that, subject
to the direction of the Board of Trustees of the Portfolio, AIM is responsible
for the management and administration of the Portfolio. Pursuant to the
Sub-Advisory Contract, AIM has delegated its responsibility for the management
of the Portfolio to the Sub-advisor. The responsibility for making decisions to
buy, sell or hold a particular security rests with the Sub-advisor, subject to
review by the Board of Trustees of the Portfolio and AIM.
 
  In providing investment management for the Portfolio, the Sub-advisor will
consider analyses from various sources, make the necessary investment decisions,
and place orders for transactions accordingly. The Portfolio pays AIM a monthly
fee at an annual rate of 0.95% of the Portfolio's average daily net assets
(i.e., the average daily value of the total assets of the Portfolio, minus the
sum of accrued liabilities of the Portfolio). AIM pays the Sub-advisor a monthly
fee at an annual rate of 0.48% of the Portfolio's average daily net assets. For
purposes of these calculations, average daily net assets is determined at the
end of each month on the basis of the average net assets of the Portfolio for
each day during the month.
 
  The investment professionals primarily responsible for the day-to-day
management of the Portfolio are as follows:
 
<TABLE>
<CAPTION>
          NAME                   TITLE                       BUSINESS EXPERIENCE
          ----                   -----                       -------------------
<S>                        <C>                 <C>
Anthony R. Clemente......  Managing Director   Portfolio Manager since February, 1998. Mr.
                                               Clemente is head of the Bank Loan Group and a
                                               senior portfolio manager responsible for bank
                                               loan portfolios at the Sub-advisor. For the
                                               preceding five years, Mr. Clemente was a Vice
                                               President in the Fixed Income Department of
                                               Merrill Lynch Asset Management L.P. and
                                               assisted in the portfolio management of Merrill
                                               Lynch Senior Floating Rate Fund, Inc. and
                                               Merrill Lynch Prime Rate Portfolio.
Kathleen Lenarcic........  Managing Director   Portfolio Manager since March, 1998. Ms.
                                               Lenarcic is a senior portfolio manager
                                               responsible for bank loan portfolios at the
                                               Sub-advisor. From 1995 to 1998, Ms. Lenarcic
                                               was a portfolio manager at ING Capital
                                               Advisors, specializing in the designs of
                                               investment products. From 1989 to 1995, Ms.
                                               Lenarcic was a portfolio manager and credit
                                               analyst at the Pilgrim Group.
</TABLE>
 
  Pursuant to the Sub-Sub-Advisory Agreement between the Sub-advisor and INVESCO
(NY), the latter acts as the investment sub-sub-advisor of the Portfolio.
INVESCO (NY), located at 1166 Avenue of the Americas, New York, NY 10036, is the
investment sub-sub-advisor with respect to certain of the Portfolio's assets, as
determined by the Sub-advisor (the "Sub-Sub-Advised Assets"). The Sub-
Sub-Advised Assets consist of the Portfolio's cash and cash equivalents and
short-term investment grade debt obligations, but may also include other asset
classes. With respect to the Sub-Sub-Advised Assets, INVESCO (NY) has
responsibility for making decisions to buy, sell or hold a particular security,
subject to review by the Board of Trustees of the Portfolio and AIM. In
providing investment sub-sub-advisory services for the Portfolio, INVESCO (NY)
will consider analyses from various sources, make the necessary investment
decisions, and place orders for transactions accordingly. The Sub-advisor (and
not the Fund or the Portfolio) pays INVESCO (NY) a monthly fee for investment
sub-sub-advisory services at the annual rate of 0.48% of the Portfolio's average
daily net assets delegated to it.
 
  Cheng-Hock Lau will provide day-to-day management of the Sub-Sub-Advised
Assets of the Portfolio. Mr. Hock Lau is Chief Investment Officer for Global
Fixed Income and Portfolio Manager and has been responsible for the
Sub-Sub-Advised Assets of the Fund since 1999. He has been associated with
INVESCO (NY) and/or its affiliates since 1995. He has been Chief Investment
Officer for Global Fixed Income and Portfolio Manager for INVESCO (NY) since
October 1996. From July 1995 to October 1996, he was Senior Portfolio Manager
for Global/International Fixed Income for INVESCO (NY) and was employed by
Chancellor Capital Management Inc., a predecessor of INVESCO (NY). From 1993 to
1995, he was Senior Vice President and Senior Portfolio Manager for Fiduciary
Trust Company International.
 
   
  The Sub-advisor is a subsidiary of AMVESCAP PLC. As of December 31, 1998, the
Sub-advisor had assets under management totaling approximately $925 million.
INVESCO (NY) is also a subsidiary of AMVESCAP PLC. The U.S. offices of the
Sub-advisor and INVESCO
    
 
                                       20
<PAGE>   23
 
(NY) are located at 1166 Avenue of the Americas, New York, New York 10036, and
50 California Street, 27th Floor, San Francisco, California 94111.
 
  On May 29, 1998, Liechtenstein Global Trust AG ("LGT"), the former indirect
parent organization of the Sub-advisor, consummated a purchase agreement with
AMVESCAP PLC pursuant to which AMVESCAP PLC acquired LGT's Asset Management
Division, which included the Sub-advisor, INVESCO (NY) and certain other
affiliates. As a result of this transaction, the Sub-advisor and INVESCO (NY)
each is now an indirect wholly owned subsidiary of AMVESCAP PLC. Prior to the
sale, the Sub-advisor and its worldwide asset management affiliates provided
investment management and/or administrative services to institutional, corporate
and individual clients around the world since 1969.
 
  AIM, the Sub-advisor and INVESCO (NY) and their worldwide asset management
affiliates provide investment management and/or administrative services to
institutional, corporate and individual clients around the world. AIM, the
Sub-advisor and INVESCO (NY) are each indirect wholly owned subsidiaries of
AMVESCAP PLC. AMVESCAP PLC and its subsidiaries are an independent investment
management group that has a significant presence in the institutional and retail
segment of the investment management industry in North America and Europe, and a
growing presence in Asia.
 
  In addition to the investment resources of their Houston, San Francisco and
New York offices, AIM, the Sub-advisor and INVESCO (NY) draw upon the expertise,
personnel, data and systems of other offices, including investment offices in
Atlanta, Boston, Dallas, Denver, Louisville, Miami, Portland (Oregon),
Frankfurt, Hong Kong, London, Singapore, Sydney, Tokyo and Toronto. In managing
the Fund, the Sub-advisor employs a team approach, taking advantage of its
investment resources around the world.
 
  The Administration Agreement provides that, subject to the direction of the
Board of Directors of the Fund, AIM will perform certain administrative services
for the Fund. AIM has delegated these administrative duties to INVESCO (NY)
pursuant to the Sub-Administration Agreement. INVESCO (NY) will furnish
corporate officers and clerical staff, provide office space, services and
equipment, prepare or assist in the preparation of reports and proxy materials
to stockholders and filings with the SEC and other regulatory bodies, and
supervise the provision of custodial, accounting and other services by third
party service providers. The Fund pays administration fees at the annualized
rate of 0.25% of its average daily net assets.
 
  Unless earlier terminated as described below, the Portfolio's Investment
Management and Administration Contract, the Portfolio's Sub-Advisory and
Sub-Administration Agreement, the Portfolio's Sub-Sub-Advisory and
Sub-Sub-Administration Agreement, the Fund's Administration Agreement, and the
Fund's Sub-Administration Agreement will remain in effect for two years from the
date of this Prospectus and from year to year thereafter if approved annually
(a) by the Board of Directors/Trustees of the Fund and the Portfolio or by a
majority of the outstanding shares of the Fund and the Portfolio, and (b) by a
majority of the Directors/Trustees who are not parties to such contract or
interested persons (as defined in the 1940 Act) of any such party. Such
contracts are not assignable and may be terminated without penalty on 60 days'
written notice at the option of either party thereto or by the vote of the
stockholders of the Fund.
 
  INVESCO (NY) also serves as the Fund's and the Portfolio's pricing and
accounting agent. Each of the Fund and the Portfolio pays a monthly fee to
INVESCO (NY) for these services at the annualized rate, respectively, of 0.02%
and 0.01% of their average daily net assets.
 
- --------------------------------------------------------------------------------
 
DIRECTORS AND EXECUTIVE OFFICERS
 
  The Directors and executive officers of the Fund, their ages and their
principal occupations during the last five years are set forth below. Unless
otherwise indicated, the address of each Executive Officer is 11 Greenway Plaza,
Suite 100, Houston, Texas 77046.
 
<TABLE>
<CAPTION>
    NAMES, POSITION(S) WITH                   PRINCIPAL OCCUPATIONS AND BUSINESS
     THE FUND AND ADDRESS                        EXPERIENCE FOR PAST 5 YEARS
    -----------------------                   ----------------------------------
<S>                              <C>
Robert H. Graham*, 52            Director, President and Chief Executive Officer, A I M
Director, Chairman of the Board  Management Group Inc.; Director and President, A I M
and President                    Advisors, Inc.; Director and Senior Vice President, A I M
                                 Capital Management, Inc., A I M Distributors, Inc., A I M
                                 Fund Services, Inc. and Fund Management Company; and
                                 Director, AMVESCAP PLC.
 
C. Derek Anderson, 57            President, Plantagenet Capital Management, LLC (an
Director                         investment partnership); Chief Executive Officer,
220 Sansome Street               Plantagenet Holdings, Ltd. (an investment banking firm);
Suite 400                        Director, Anderson Capital Management, Inc. since 1988;
San Francisco, CA 94104          Director, PremiumWear, Inc. (formerly Munsingwear, Inc.)(a
                                 casual apparel company) and Director, "R" Homes, Inc. and
                                 various other companies; and Trustee, each of the other
                                 investment companies registered under the 1940 Act, that is
                                 sub-advised or sub-administered by the Sub-advisor.
</TABLE>
 
- ---------------
 
* A director who is an "interested person" of the Fund and A I M Advisors, Inc.
  as defined in the 1940 Act.
 
                                       21
<PAGE>   24
 
   
<TABLE>
<CAPTION>
    NAMES, POSITION(S) WITH                   PRINCIPAL OCCUPATIONS AND BUSINESS
     THE FUND AND ADDRESS                        EXPERIENCE FOR PAST 5 YEARS
    -----------------------                   ----------------------------------
<S>                              <C>
Frank S. Bayley, 59              Partner, law firm of Baker & McKenzie and Director and
Director                         Chairman of C.D. Stimson Company (a private investment
Two Embarcadero Center           company); and Trustee, each of the other investment
Suite 2400                       companies registered under the 1940 Act that is sub-advised
San Francisco, CA 94111          or sub-administered by the Sub-advisor.
 
Arthur C. Patterson, 55          Managing Partner, Accel Partners (a venture capital firm);
Director                         Director, Viasoft and PageMart, Inc. (both public software
428 University Avenue            companies) and several other privately held software
Palo Alto, CA 94301              communications companies; and Trustee, each of the other
                                 investment companies registered under the 1940 Act that is
                                 sub-advised or sub-administered by the Sub-advisor.
 
Ruth H. Quigley, 64              Private investor; President, Quigley Friedlander & Co., Inc.
Director                         (a financial advisory services firm) from 1984 to 1986; and
1055 California Street           Trustee, each of the other investment companies registered
San Francisco, CA 94108          under the 1940 Act that is sub-advised or sub-administered
                                 by the Sub-advisor.
 
Samuel D. Sirko, 39              Vice President, Assistant General Counsel and Assistant
Vice President and Secretary     Secretary, A I M Advisors, Inc.; and Assistant General
                                 Counsel and Assistant Secretary, A I M Management Group
                                 Inc., A I M Capital Management, Inc., A I M Distributors,
                                 Inc., A I M Fund Services, Inc. and Fund Management Company.
 
Melville B. Cox, 55              Vice President and Chief Compliance Officer, A I M Advisors,
Vice President                   Inc., A I M Capital Management, Inc., A I M Distributors,
                                 Inc., A I M Fund Services, Inc. and Fund Management Company.
 
Gary T. Crum, 51                 Director and President, A I M Capital Management, Inc.;
Vice President                   Director and Senior Vice President, A I M Management Group
                                 Inc. and A I M Advisors, Inc.; and Director, A I M
                                 Distributors, Inc. and AMVESCAP PLC.
 
Carol F. Relihan, 44             Director, Senior Vice President, General Counsel and
Vice President                   Secretary, A I M Advisors, Inc.; Senior Vice President,
                                 General Counsel and Secretary, A I M Management Group Inc.;
                                 Director, Vice President and General Counsel, Fund
                                 Management Company; General Counsel and Vice President,
                                 A I M Fund Services, Inc.; and Vice President, A I M Capital
                                 Management, Inc. and A I M Distributors, Inc.
 
Dana R. Sutton, 40               Vice President and Fund Controller, A I M Advisors, Inc.;
Vice President and Treasurer     and Assistant Vice President and Assistant Treasurer, Fund
                                 Management Company.
</TABLE>
    
 
   
  The Board of Directors of the Fund has an Audit Committee, comprised of Miss
Quigley, and Messrs. Anderson, Bayley and Patterson, which is responsible for
reviewing and evaluating the audit function, including recommending firms to
serve as independent auditors of the Fund. Each of the officers of the Fund is
also an officer of each of the other investment companies registered under the
1940 Act that is sub-advised or sub-administered by INVESCO (NY). The Fund pays
each Director who is not a director, officer or employee of AIM and/or the
Sub-advisor or any affiliated company is paid an annual retainer component plus
a per-meeting fee component and reimburses travel and other expenses incurred in
connection with attending Board meetings. Other Directors and officers receive
no compensation or expense reimbursement from the Fund. As of December 31, 1998,
the Directors and officers and their families as a group owned less than 1% of
the outstanding shares of the Fund. The Fund requires no employees since the
Sub-advisor and other third-party service providers perform substantially all of
the services necessary for the Fund's operations.
    
 
- --------------------------------------------------------------------------------
 
PORTFOLIO TRANSACTIONS
 
  Subject to policies established by the Portfolio's Board of Trustees, the
Sub-advisor is responsible for the execution of the Portfolio's transactions and
the selection of brokers and dealers who execute such transactions on behalf of
the Fund. In executing transactions for the Portfolio, the Sub-advisor seeks the
best net results for the Portfolio, taking into account such factors as the
price (including the applicable brokerage commission or dealer spread), size of
the order, difficulty of execution and operational facilities of the firm
involved. Although the Sub-advisor generally seeks reasonable competitive
commission rates and spreads, payment of the lowest commission or spread is not
necessarily consistent with the best net results. The Portfolio has no
obligation to deal with any broker or dealer or group of brokers in the
execution of portfolio transactions.
 
  Consistent with the interests of the Portfolio, the Sub-advisor may select
brokers to execute the Portfolio's portfolio transactions on the basis of the
research and brokerage services they provide to the Sub-advisor for its use in
managing the Portfolio and its other
 
                                       22
<PAGE>   25
 
advisory accounts. Such services may include furnishing analyses, reports and
information concerning issuers, industries, securities, geographic regions,
economic factors and trends, portfolio strategy, and performance of accounts;
and effecting securities transactions and performing functions incidental
thereto (such as clearance and settlement). Research and brokerage services
received from such brokers are in addition to, and not in lieu of, the services
required to be performed by the Sub-advisor under the Sub-Advisory and
Sub-Administration Contract (defined above). A commission paid to such brokers
may be higher than that which another qualified broker would have charged for
effecting the same transaction, provided that the Sub-advisor determines in good
faith that such commission is reasonable in terms either of that particular
transaction or the overall responsibility of the Sub-advisor to the Portfolio
and its other clients and that the total commissions paid by the Portfolio will
be reasonable in relation to the benefits received by the Portfolio over the
long term.
 
  Investment decisions for the Portfolio and for other investment accounts
managed or sub-advised by the Sub-advisor are made independently of each other
in light of differing conditions. However, the same investment decision
occasionally may be made for two or more of such accounts including the
Portfolio. In such cases, purchases or sales are 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 Portfolio is concerned, in other cases the
Sub-advisor believes that coordination and the ability to participate in volume
transactions will be beneficial to the Portfolio.
 
  The Portfolio contemplates that, consistent with the policy of obtaining the
best net results, brokerage transactions may be conducted through affiliates of
AIM or the Sub-advisor. The Portfolio's Board of Trustees has adopted procedures
in conformity with Rule 17e-1 under the 1940 Act to ensure that all brokerage
commissions paid to such affiliates are reasonable and fair in the context of
the market in which they are operating. Any such transactions will be effected
and related compensation paid only in accordance with applicable SEC
regulations.
 
  The Portfolio engages in trading when the Sub-advisor has concluded that the
sale of a security owned by the Portfolio and/or the purchase of another
security can enhance principal and/or increase income. A security may be sold to
avoid any prospective decline in market value, or a security may be purchased in
anticipation of a market rise. Consistent with the Portfolio's investment
objective, a security also may be sold and a comparable security purchased
coincidentally in order to take advantage of what is believed to be a disparity
in the normal yield and price relationship between the two securities.
 
  The Portfolio's portfolio turnover rate is not expected to exceed 100%, but
may vary greatly from year to year and will not be a limiting factor when the
Sub-advisor deems portfolio changes appropriate. Although the Portfolio
generally does not intend to trade for short-term profits, the securities held
by the Portfolio will be sold whenever the Sub-advisor believes it is
appropriate to do so, without regard to the length of time a particular security
may have been held. A 100% portfolio turnover rate would occur if the lesser of
the value of purchases or sales of the Portfolio's securities for a year
(excluding purchases of U.S. Treasury and other securities with a maturity at
the date of purchase of one year or less) were equal to 100% of the average
monthly value of the securities, excluding short-term investments, held by the
Portfolio during such year. Higher portfolio turnover involves correspondingly
greater brokerage commissions and other transaction costs that the Portfolio
will bear directly.
 
- --------------------------------------------------------------------------------
 
DIVIDENDS AND OTHER DISTRIBUTIONS
 
  The Fund distributes substantially all of its net investment income, which
consists generally of its share of the Portfolio's net investment income,
reduced by interest on the Fund's borrowings and dividends or interest on its
senior securities, if any. Dividends from the Fund's net investment income are
declared daily and paid monthly to holders of Common Stock. Substantially all of
the Fund's share of the Portfolio's net realized capital gains, if any, are
distributed at least annually to Common Stockholders. Shares of Common Stock
accrue dividends as long as they are outstanding (i.e., from the settlement date
of a purchase order to the settlement date of a Tender Offer).
 
  Under the 1940 Act, the Fund is not permitted to incur indebtedness unless
immediately after such incurrence it has an asset coverage of at least 300% of
the aggregate outstanding principal balance of the indebtedness. Additionally,
under the 1940 Act, the Fund may not declare any dividend or other distribution
on any class of its capital stock or purchase any such capital stock unless it
has, at the time of the declaration of any such distribution or at the time of
any such purchase, asset coverage of at least 300% of the aggregate indebtedness
after deducting the amount of such distribution, or purchase price, as the case
may be. This latter limitation -- and a limitation on the Fund's ability to
declare any cash dividends or other distributions on the Common Stock while any
shares of preferred stock are outstanding -- could under certain circumstances
impair its ability to maintain its qualification for taxation as a RIC. See
"Special Considerations and Risk Factors -- Effects of Leverage" and "Taxes."
 
                                       23
<PAGE>   26
 
  Dividends and other distributions to Common Stockholders may be automatically
reinvested in shares of Common Stock pursuant to the Fund's Dividend
Reinvestment Plan. See "Dividend Reinvestment Plan." Dividends and other
distributions will be taxable to stockholders whether they are so reinvested in
shares of the Fund or received in cash. See "Taxes."
 
- --------------------------------------------------------------------------------
 
TAXES
 
TAXATION OF THE FUND
 
  The Fund intends to continue to qualify for the special tax treatment afforded
RICs under Subchapter M of the Code. To qualify for that treatment, the Fund
must distribute to its stockholders for each taxable year at least 90% of its
investment company taxable income (consisting generally of net investment
income, net short-term capital gains, and net gains from certain foreign
currency transactions) and must meet several additional requirements. Among
these requirements are 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 derived with respect to its
business of investing in securities or those currencies; and (2) at the close of
each quarter of the Fund's taxable year, (i) at least 50% of the value of its
total assets must be represented by cash and cash items, U.S. Government
securities, and 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 voting securities, and (ii) not
more than 25% of the value of its total assets may be invested in securities
(other than U.S. Government securities) of any one issuer.
 
  The 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 the Fund satisfies the
requirements described above to qualify as a RIC. In each taxable year that it
so qualifies, the Fund (but not its stockholders) will not be subject to federal
income tax on that part of its investment company taxable income and net capital
gain (the excess of net long-term capital gain over net short-term capital
loss), that it distributes to its stockholders.
 
  The Fund will be subject to a nondeductible 4% excise tax ("Excise Tax") to
the extent it fails to distribute by the end of any calendar year 98% of its
ordinary income for that year and capital gain net income for the one-year
period ending on October 31 of that year, plus certain other amounts.
 
  See the next section for a discussion of the tax consequences to the Fund of
certain transactions engaged in by the Portfolio.
 
TAXATION OF THE PORTFOLIO
 
  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 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 state income or
franchise tax.
 
  Because, as noted above, the Fund is deemed to own a proportionate share of
the Portfolio's assets, and to earn a proportionate share of the Portfolio's
income, for purposes of determining whether the Fund satisfies the requirements
to qualify as a RIC, the Portfolio intends to conduct its operations so that the
Fund will be able to satisfy those requirements.
 
  Distributions to the Fund from the Portfolio (whether pursuant to a partial or
complete withdrawal in connection with a tender offer by the Portfolio or
otherwise) will not result in the Fund's recognition of any gain or loss for
federal income tax purposes, except that (1) gain will be recognized to the
extent any cash that is distributed exceeds the Fund's basis for its interest in
the Portfolio before the distribution, (2) income or gain will be recognized if
the distribution is in liquidation of the Fund's entire interest in the
Portfolio and includes a disproportionate share of any unrealized receivables
held by the Portfolio, and (3) loss will be recognized if a liquidation
distribution consists solely of cash and/or unrealized receivables. The Fund's
basis for its interest in the Portfolio generally will equal the amount of cash
the Fund invests in the Portfolio, increased by the Fund's share of the
Portfolio's net income and gains and decreased by (a) the amount of cash and the
basis of any property the Portfolio distributes to the Fund and (b) the Fund's
share of the Portfolio's losses.
 
  Interest received by the Portfolio, and gains realized thereby may be subject
to income, withholding, or other taxes imposed by foreign countries and U.S.
possessions 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 these taxes, however, and many foreign countries do not impose taxes
on capital gains in respect of investments by foreign investors.
 
  Gains or losses (1) from the disposition of foreign currencies, (2) on the
disposition of a debt security denominated in a foreign currency that are
attributable to fluctuations in the value of the foreign currency between the
date of acquisition of the security and the date of disposition, and (3) that
are attributable to fluctuations in exchange rates that occur between the time
the Portfolio accrues interest or other receivables or expenses or other
liabilities denominated in a foreign currency and the time it actually collects
the receivables or pays the liabilities, generally are treated as ordinary
income or loss. These gains or losses, referred to under the Code as
 
                                       24
<PAGE>   27
 
"section 988" gains or losses, may increase or decrease the amount of investment
company taxable income available to the Fund for distribution to its
stockholders.
 
  The federal income tax rules governing the taxation of interest rate swaps are
not entirely clear and may require the Portfolio to treat payments received
under such arrangements as ordinary income and to amortize payments under
certain circumstances. The Portfolio will limit its activity in this regard in
order to enable the Fund to maintain its qualification as a RIC.
 
TAXATION OF THE STOCKHOLDERS
 
  Dividends paid by the Fund from its investment company taxable income, whether
received in cash or reinvested in Fund shares pursuant to the Plan, are taxable
to its stockholders as ordinary income to the extent of its earnings and
profits. (Any distributions in excess of the Fund's earnings and profits first
will reduce the adjusted tax basis of a holder's Common Stock and, after that
basis is reduced to zero, will constitute capital gains to the stockholder,
assuming the Common Stock is held as a capital asset.) Distributions, if any,
from the Fund's net capital gain, when designated as such, are taxable to its
stockholders as long-term capital gains, regardless of the length of time they
have owned their Fund shares and whether received by them in cash or reinvested
in Fund shares pursuant to the Plan. Under the IRS Restructuring and Reform Act
of 1998, a noncorporate taxpayer's net capital gain are taxed at a minimum rate
of 20% (10% for taxpayers in the 15% marginal tax bracket).
 
  Following the end of each calendar year, the Fund notifies its stockholders of
the amounts of any dividends and capital gain distributions paid (or deemed
paid) by the Fund during that year. 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.
 
  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. Distributions
by the Fund generally will not be eligible for the dividends-received deduction
allowed to corporations. Dividends and other distributions declared by the Fund
in, and payable to stockholders 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 stockholders 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 stockholders for the year in which that December 31 falls.
 
  The Fund must withhold 31% from dividends, capital gain distributions, and
proceeds from sales of Common Stock pursuant to a Tender Offer, if any, payable
to any individuals and certain other noncorporate stockholders who have not
furnished to the Fund a correct taxpayer identification number ("TIN") or a
properly completed claim for exemption on Form W-8 or W-9 ("backup
withholding"). Withholding at that rate also is required from dividends and
capital gain distributions payable to such stockholders who otherwise are
subject to backup withholding. When establishing an account, an investor must
certify under penalty of perjury that the investor's TIN is correct and that the
investor is not otherwise subject to backup withholding.
 
  A loss realized on a sale or exchange of shares of the Fund will be disallowed
if other Fund shares are acquired (whether through the reinvestment of
distributions under the Plan or otherwise) within a 61-day period beginning 30
days before and ending 30 days after the date that the shares are disposed of.
In such a case, the basis of the shares acquired will be adjusted to reflect the
disallowed loss.
 
  Dividends paid by the Fund to a stockholder who, as to the United States, is a
nonresident alien individual or nonresident alien fiduciary of a trust or
estate, foreign corporation, or foreign partnership ("foreign stockholder") will
be subject to U.S. withholding tax (at a rate of 30% or lower treaty rate).
Withholding will not apply if a dividend paid by the Fund to a foreign
stockholder is "effectively connected with the conduct of a U.S. trade or
business," in which case the reporting and withholding requirements applicable
to domestic stockholders will apply. Distributions of net capital gain generally
are not subject to that withholding tax, except in the case of a foreign
stockholder who is a nonresident alien individual physically present in the
United States for more than 182 days during the taxable year and with respect to
whom the distributions are "effectively connected." Foreign stockholders are
urged to consult their own tax advisers concerning the applicability of this
withholding tax.
 
TENDER OFFERS
 
  A holder of Common Stock who, pursuant to any Tender Offer, tenders all shares
of Common Stock owned by such stockholder and any shares considered owned
thereby under attribution rules contained in the Code will realize a taxable
gain or loss depending upon such stockholder's basis for the shares. Such gain
or loss will be treated as capital gain or loss if the shares are held as
capital assets and will be long-term or short-term depending on the
stockholder's holding period for the shares; capital gain on shares held by a
noncorporate stockholder for more than one year will be subject to federal
income tax at the rates indicated above.
 
  Different tax consequences may apply to tendering and non-tendering holders of
Common Stock in connection with a Tender Offer, and these consequences will be
disclosed in the related offering documents. For example, if a tendering holder
of Common Stock tenders less than all shares owned by or attributed to such
stockholder, and if the payment to such stockholder does not otherwise qualify
as a sale or exchange, the proceeds received will be treated as a taxable
dividend, a return of capital, or capital gain depending on the Fund's earnings
and profits and the stockholder's basis for the tendered shares. Also, there is
a risk that non-tendering holders of Common Stock may be considered to have
received a deemed distribution that may be a taxable dividend in whole or in
part. Holders of Common Stock may wish to consult their tax advisers prior to
tendering.
 
                                       25
<PAGE>   28
 
                                   * * * * *
 
  The foregoing is a general and abbreviated summary of certain federal tax
considerations affecting the Fund and its stockholders. For further information,
reference should be made to the pertinent Code sections and the regulations
promulgated thereunder, which are subject to change by legislative, judicial, or
administrative action either prospectively or retroactively. Investors are urged
to consult their tax advisers regarding specific questions as to federal, state,
local, or foreign taxes. Foreign investors should consider applicable foreign
taxes in their evaluation of an investment in the Fund.
 
- --------------------------------------------------------------------------------
 
DIVIDEND REINVESTMENT PLAN
 
  Pursuant to the Plan, each stockholder will be deemed to have elected to have
all dividends and other distributions, net of any applicable withholding taxes,
automatically reinvested in additional shares of Common Stock, newly issued by
the Fund, unless A I M Fund Services, Inc., the Fund's transfer agent, as the
Plan Agent (the "Plan Agent"), is otherwise instructed by the stockholder in
writing. Such dividends and other distributions will be reinvested in shares of
Common Stock at the net asset value per share next determined on the payable
date of such dividend or other distribution. Each stockholder may also elect to
have all dividends and/or other distributions automatically reinvested in Class
B shares of those mutual funds distributed by AIM Distributors (collectively,
the "AIM Funds"). The prospectus of each AIM Fund describes its investment
objectives and policies. Shareholders can obtain without charge, a prospectus by
calling (800)347-4246 and should consider these objectives and policies before
requesting this option.
 
  Automatic reinvestment in shares of a AIM Fund are made at net asset value
without imposition of a sales charge. Reinvestments in a AIM 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 Plan Agent by mail or telephone at least 15 business
days prior to the payment date.
 
  Stockholders who do not participate in the Plan will receive all dividends and
other distributions in cash, net of any applicable withholding taxes, paid in
U.S. dollars by check mailed directly to the stockholder by A I M Fund Services,
Inc., as dividend-paying agent. Stockholders who do not wish to have dividends
and other distributions automatically reinvested should notify the Plan Agent at
P.O. Box 4739, Houston, TX 77210-4739. Dividends and other distributions with
respect to shares of Common Stock registered in the name of a broker-dealer or
other nominee (i.e., in "street name") will be reinvested under the Plan unless
such service is not provided by the broker-dealer or nominee or the stockholder
elects to receive dividends and other distributions in cash. A stockholder whose
shares of Common Stock are held by a broker-dealer or nominee that does not
provide a dividend reinvestment service may be required to have his shares of
Common Stock registered in his own name to participate in the Plan. Similarly, a
stockholder may be unable to transfer his account to certain broker-dealers and
continue to participate in the Plan. Investors who own shares of Common Stock
registered in street name should contact the broker or nominee for details
concerning participation in the Plan.
 
  The Plan Agent will maintain all participant accounts in the Plan and furnish
written confirmations of all transactions in the accounts, including information
needed by participants for personal and tax records. Shares of Common Stock in
the account of each participant may be held by the Plan Agent in
non-certificated form in the name of the Plan Agent or the Plan Agent's nominee,
and each stockholder's proxy will include those shares of Common Stock purchased
pursuant to the Plan. Participants in the Plan may withdraw from the Plan upon
written notice to the Plan Agent.
 
  In the case of a stockholder of record, such as a bank, broker-dealer or
nominee, that holds shares of Common Stock for others who are the beneficial
owners, the Plan Agent will administer the Plan on the basis of the number of
shares of Common Stock certified from time to time by the record stockholder as
representing the total amount registered in the stockholder's name and held for
the account of beneficial owners who participate in the Plan.
 
  There will be no charge to participants for reinvesting dividends or other
distributions. The Plan Agent's fees for the handling of reinvestment of
distributions will be paid by the Fund.
 
  All registered holders of shares of Common Stock (other than brokers and
nominees) will be mailed information regarding the Plan, including a form with
which they may elect to terminate participation in the Plan and receive further
dividends and other distributions in cash. An election to terminate
participation in the Plan must be made in writing to the Plan Agent and should
include the stockholder's name and address as they appear on the share
certificate. An election to terminate, until such election is changed, will be
deemed to be an election by a stockholder to take all subsequent distributions
in cash. An election will be effective only for distributions declared and
having a record date at least ten days after the date on which the election is
received.
 
  The receipt of dividends and other distributions in shares of Common Stock
under the Plan will not relieve participants of any income tax (including
withholding taxes) that may be payable on such distributions. See "Taxes."
 
  Experience under the Plan may indicate that changes in the Plan are desirable.
Accordingly, the Fund and the Plan Agent reserve the right to terminate the Plan
as applied to any dividend or other distribution paid subsequent to notice of
the termination sent to the participants in the Plan at least 30 days before the
record date for the distribution. The Plan also may be amended by the Fund or
the Plan Agent, but (except when necessary or appropriate to comply with
applicable law, rules or policies of a regulatory authority) only
 
                                       26
<PAGE>   29
 
by at least 30 days' written notice to participants in the Plan. All
correspondence concerning the Plan should be directed to the Plan Agent, P.O.
Box 4739 Houston, TX 77210-4739.
 
- --------------------------------------------------------------------------------
 
AUTOMATIC INVESTMENT PLAN
 
  Investors may purchase shares of the Fund's Common Stock through the Automatic
Investment Plan. Under this Plan, an amount specified by the stockholder of $50
or more (or $25 for Individual Retirement Accounts, Code Section 403(b)(7)
custodial accounts and other tax-qualified employer-sponsored retirement
accounts) on a monthly or quarterly basis will be sent to A I M Fund Services,
Inc. from the investor's bank for investment in the Fund. Participants in the
Automatic Investment Plan should not elect to receive dividends or other
distributions from the Fund in cash. Investors should contact their brokers or
A I M Fund Services, Inc. for more information.
 
- --------------------------------------------------------------------------------
 
EXCHANGE PRIVILEGE
 
  The Fund may make available to stockholders who tender shares of the Fund's
Common Stock pursuant to a Tender Offer the privilege of exchanging Fund shares
at net asset value for Class B shares of AIM Funds that are subject to a
contingent deferred sales charge. Any such exchange must be effected in
connection with a stockholder's tender of Fund shares in a Tender Offer. No
Early Withdrawal Charge will be imposed on stockholders choosing to exchange
their Fund shares for shares of any such AIM Fund; however, the exchanging
stockholders will be subject to a contingent deferred sales charge on any such
AIM Fund equivalent to the Early Withdrawal Charge on Common Stock of the Fund.
Thus, shares of such AIM Fund may be subject to a contingent deferred sales
charge upon a subsequent redemption from the AIM Fund. The purchase of shares of
such AIM Fund will be deemed to have occurred at the time of the initial
purchase of the Fund's Common Stock. Holders of Class B AIM Fund shares will not
be permitted to exchange those shares for shares of the Fund's Common Stock.
 
  The prospectus for each AIM Fund describes its investment objectives and
policies. Shareholders can obtain, without charge, a prospectus by calling (800)
347-4246 and should consider these objectives and policies carefully before
requesting an exchange. Each exchange must involve proceeds from Common Stock of
the Fund that have a net asset value of at least $500. An exchange is a taxable
event and may result in a taxable gain or loss. See "Taxes -- Tender Offers."
 
- --------------------------------------------------------------------------------
 
DETERMINATION OF NET ASSET VALUE
 
  The net asset value per share of Common Stock is determined Monday through
Friday as of 15 minutes after the close of regular trading on the NYSE
(generally, 4:00 p.m., New York time), on each day during which the NYSE is
open. The NYSE is not open on New Year's Day, Martin Luther King, Jr. Day,
Presidents' Day, Good Friday, Memorial Day, Independence Day, Labor Day,
Thanksgiving Day and Christmas Day. For purposes of determining the net asset
value of a share of Common Stock, the Fund's uninvested assets plus its share of
the value of the securities and any cash or other assets (including interest
accumulated but not yet received) held by the Portfolio minus all liabilities
(including accrued expenses) of the Fund and its share of all liabilities
(including accrued expenses) of the Portfolio is divided by the total number of
shares of Common Stock outstanding at such time. Expenses, including the fees
payable to the Sub-advisor, are accrued daily.
 
  The Sub-advisor values the Corporate Loans and Corporate Debt Securities in
accordance with guidelines adopted and periodically reviewed by the Portfolio's
Board of Trustees. Under the Portfolio's current guidelines, Corporate Loans and
Corporate Debt Securities for which an active secondary market exists to a
reliable degree in the opinion of the Sub-advisor and for which the Sub-advisor
can obtain one or more quotations from banks or dealers in Corporate Loans and
Corporate Debt Securities will be valued by the Sub-advisor by calculating the
mean of the last available bid and asked prices in the market. For Corporate
Loans and Corporate Debt Securities for which an active secondary market does
not exist to a reliable degree in the opinion of the Sub-advisor, such Corporate
Loans and Corporate Debt Securities will be valued by the Sub-advisor at fair
value, which is intended to approximate market value. In valuing a Corporate
Loan or Corporate Debt Security at fair value, the Sub-advisor will consider,
among other factors, (i) the creditworthiness of the Borrower and any
Intermediate Participants, (ii) the current interest rate, period until next
interest rate reset and maturity of the Corporate Loan or Corporate Debt
Security, (iii) recent prices in the market for instruments of similar quality,
rate, period until next prices in the market for instruments of similar quality,
rate, period until next interest rate reset and maturity. The Sub-advisor
believes that Intermediate Participants selling Corporate Loans or otherwise
involved in a Corporate Loan transaction may tend, in valuing Corporate Loans
for their own accounts, to be less sensitive to interest rate and credit quality
changes and, accordingly, the Sub-advisor may not rely solely on such valuations
in valuing the Corporate Loans for the Fund's account. In addition, because a
secondary trading market in Corporate Loans and Corporate Debt Securities has
not yet fully developed, in valuing Corporate Loans and Corporate Debt
Securities, the Sub-advisor may not rely solely on but may consider prices or
quotations provided by banks, dealers or pricing services with respect to
secondary market transactions in Corporate Loans and Corporate Debt Securities.
To the extent that an active secondary market in Corporate Loans and Corporate
Debt Securities develops to a reliable degree, or exists in respect of other
loans or instruments deemed to be similar to Corporate Loans and Corporate Debt
Securities, the Sub-advisor may
 
                                       27
<PAGE>   30
 
rely to an increasing extent on such market prices and quotations in valuing the
Corporate Loans and Corporate Debt Securities held by the Portfolio.
 
  Other portfolio securities (other than short-term obligations but including
listed issues) may be valued on the basis of prices furnished by one or more
pricing services which determine prices for normal, institutional-size trading
units of such securities using market information, transactions for comparable
securities and various relationships between securities which are generally
recognized by institutional traders. In certain circumstances, portfolio
securities are valued at the last sale price on the exchange that is the primary
market for such securities, or the last quoted bid price for those securities
for which the over-the-counter market is the primary market or for listed
securities in which there were no sales during the day. The value of interest
rate swaps, caps and floors is determined in accordance with a formula and then
confirmed periodically by obtaining a bank quotation. Positions in options are
valued at the last sale price on the market where any such option is principally
traded. Obligations with remaining maturities of 60 days or less are valued at
amortized cost unless this method no longer produces fair valuations. Repurchase
agreements are valued at cost plus accrued interest. Rights or warrants to
acquire stock or stock acquired pursuant to the exercise of a right or warrant,
may be valued taking into account various factors such as original cost to the
Portfolio, earnings and net worth of the issuer, market prices for securities of
similar issuers, assessment of the issuer's future prosperity, liquidation value
or third party transactions involving the issuer's securities. Securities for
which there exist no price quotations or valuations and all other assets are
valued at fair value as determined in good faith by or on behalf of the Board of
Trustees of the Portfolio.
 
- --------------------------------------------------------------------------------
 
DESCRIPTION OF CAPITAL STOCK
 
  The Fund is authorized to issue 1 billion shares of capital stock, $.001 par
value, all of which is classified as Common Stock. Although it has no current
intention of doing so, the Board of Directors of the Fund is authorized to
classify and reclassify any unissued shares of capital stock from time to time
by setting or changing the preferences, conversion or other rights, voting
powers, restrictions, limitations as to dividends or terms and conditions of
redemption of such shares by the Fund. The description of the capital stock and
the description under "Description of Capital Stock -- Certain Anti-Takeover
Provisions of the Articles of Incorporation" are subject to the provisions
contained in the Fund's Articles of Incorporation and Bylaws.
 
COMMON STOCK
 
  Shares of the Common Stock have no preemptive, conversion, exchange or
redemption rights. Each share has equal voting, dividend, distribution and
liquidation rights. The outstanding shares of Common Stock are, and those
offered hereby, when issued, will be, fully paid and nonassessable. Stockholders
are entitled to one vote per share. All voting rights for the election of
directors are noncumulative, which means that the holders of more than 50% of
the shares can elect 100% of the directors then nominated for election if they
choose to do so and, in such event, the holders of the remaining shares will not
be able to elect any directors.
 
  Shares of the Common Stock will be held in book-entry form unless physical
certificates are requested in writing by a Common Stockholder.
 
CERTAIN ANTI-TAKEOVER PROVISIONS OF THE ARTICLES OF INCORPORATION
 
  The Fund presently has provisions in its Articles of Incorporation that have
the effect of limiting (i) the ability of other entities or persons to acquire
control of the Fund, (ii) the Fund's freedom to engage in certain transactions,
and (iii) the ability of the Fund's directors or stockholders to amend the
Articles of Incorporation. These provisions of the Articles of Incorporation may
be regarded as "anti-takeover" provisions. Under Maryland law and the Fund's
Articles of Incorporation, the affirmative vote of the holders of at least a
majority of the votes entitled to be cast is required for the consolidation of
the Fund with another corporation, a merger of the Fund with or into another
corporation (except for certain mergers in which the Fund is the successor), a
statutory share exchange in which the Fund is not the successor, a sale or
transfer of all or substantially all of the Fund's assets, the dissolution of
the Fund and any amendment to the Fund's Articles of Incorporation. In addition,
the affirmative vote of the holders of at least 66 2/3% (which is higher than
that required under Maryland law or the 1940 Act) of the outstanding shares of
the Fund's capital stock is required generally to authorize any of the following
transactions or to amend the provisions of the Articles of Incorporation
relating to such transactions:
 
          (i) merger, consolidation or statutory share exchange of the Fund with
     or into any other corporation;
 
          (ii) issuance of any securities of the Fund to any person or entity
     for cash;
 
          (iii) sale, lease or exchange of all or any substantial part of the
     assets of the Fund to any entity or person (except assets having an
     aggregate market value of less than $1,000,000); or
 
          (iv) sale, lease or exchange to the Fund, in exchange for securities
     of the Fund, of any assets of any entity or person (except assets having an
     aggregate fair market value of less than $1,000,000).
 
  A similar vote also would be required for any amendment of the Articles of
Incorporation to convert the Fund to an open-end investment company by making
any class of the Fund's capital stock a "redeemable security," as that term is
defined in the 1940 Act. Such
 
                                       28
<PAGE>   31
 
vote would not be required with respect to any of the foregoing transactions,
however, when, under certain conditions, the Board of Directors approves the
transaction, although in certain cases involving merger, consolidation or
statutory share exchange or sale of all or substantially all of the Fund's
assets or the conversion of the Fund to an open-end investment company, the
affirmative vote of the holders of a majority of the outstanding shares of the
Fund's capital stock would nevertheless be required. Reference is made to the
Articles of Incorporation of the Fund, on file with the SEC, for the full text
of these provisions.
 
  The provisions of the Articles of Incorporation described above and the Fund's
right to make a tender offer for its shares could have the effect of depriving
the stockholders of opportunities to sell their shares at a premium over net
asset value by discouraging a third party from seeking to obtain control of the
Fund in a tender offer or similar transaction. The overall effect of these
provisions is to render more difficult the accomplishment of a merger or the
assumption of control. They provide, however, the advantage of potentially
requiring persons seeking control of the Fund to negotiate with its management
regarding the price to be paid and facilitating the continuity of the Fund's
management, investment objectives and policies. The Board of Directors of the
Fund has considered the foregoing anti-takeover provisions and concluded that
they are in the best interest of the Fund and its stockholders.
 
- --------------------------------------------------------------------------------
 
PERFORMANCE INFORMATION
 
  From time to time the Fund may include its distribution rate and/or total
return for various specified time periods in advertisements or information
furnished to present or prospective stockholders.
 
  The distribution rate of the Fund refers to the income generated by an
investment in the Fund over a stated period. The distribution rate is calculated
by annualizing the Fund's distributions per share of Common Stock during such
period and dividing the annualized distribution by the Fund's maximum offering
price per share on the last day of such period.
 
  The Fund also may quote annual total return and aggregate total return
performance data. Total return quotations for the specified periods will be
computed by finding the rate of return (based on net investment income and any
capital gains or losses on portfolio investments over such periods) that would
equate the initial amount invested to the redeemable value of such investment at
the end of the period.
 
  The calculation of distribution rate and total return does not reflect the
imposition of any Early Withdrawal Charges or the amount of any stockholder's
tax liability.
 
  Distribution rate and total return figures are based on the Fund's historical
performance and are not intended to indicate future performance. The Fund's
distribution rate is expected to fluctuate, and its total return will vary
depending on market conditions, the Corporate Loans, Corporate Debt Securities
and other securities comprising the Portfolio's investments, the Fund's and the
Portfolio's operating expenses and the amount of net realized and unrealized
capital gains or losses during the period.
 
  On occasion, the Fund may compare its yield to (1) LIBOR, quoted daily in The
Wall Street Journal, (2) the Prime Rate, quoted daily in The Wall Street Journal
as the base rate on corporate loans at large U.S. money center commercial banks,
(3) one or more averages compiled by Donoghue's Money Fund Report, a widely
recognized independent publication that monitors the performance of money market
mutual funds, (4) the average yield reported by the Bank Rate Monitor National
Index(TM) for money market deposit accounts offered by the 100 leading banks and
thrift institutions in the ten largest standard metropolitan statistical areas,
(5) yield data published by Lipper Analytical Services, Inc., or (6) the yield
on an investment in 90-day Treasury bills on a rolling basis, assuming quarterly
compounding. In addition, the Fund may compare the Prime Rate, the Donoghue's
averages and the other yield data described above to each other. As with yield
quotations, yield comparisons should not be considered indicative of the Fund's
yield or relative performance for any future period.
                               OTHER INFORMATION
- --------------------------------------------------------------------------------
 
ORGANIZATION OF THE FUND
 
  The Fund is a continuously offered, non-diversified, closed-end management
investment company. The Fund was incorporated under the name "GT Global Floating
Rate Fund, Inc." in the State of Maryland on December 4, 1996 and is authorized
under Maryland law to do business as "AIM Floating Rate Fund." The Fund has
registered under the 1940 Act. The Fund's principal office is located at 11
Greenway Plaza, Suite 100, Houston, Texas 77046-1173, and its telephone number
is 1-800-347-4246.
 
CUSTODIAN, TRANSFER AND DIVIDEND DISBURSING AGENT AND REGISTRAR
 
  State Street Bank and Trust Company, 1776 Heritage Drive, North Quincy,
Massachusetts 02171, will serve as custodian of the Fund's assets held in the
United States. A I M Fund Services, Inc. (the "Transfer Agent") will serve as
the Fund's transfer and dividend disbursing agent and registrar.
 
                                       29
<PAGE>   32
 
LEGAL MATTERS
 
  Certain legal matters in connection with the Common Stock offered hereby will
be passed on for the Fund by Kirkpatrick & Lockhart LLP, Washington, D.C.
 
INDEPENDENT ACCOUNTANTS
 
   
  The Fund's independent accountants are PricewaterhouseCoopers LLP, 160 Federal
Street, Boston, Massachusetts 02110. PricewaterhouseCoopers LLP will conduct an
annual audit of the Fund, assist in the preparation of the Fund's federal and
state income tax returns and consult with the Fund as to matters of accounting,
regulatory filings, and federal and state income taxation.
    
 
FURTHER INFORMATION
 
  Further information concerning the Common Stock and the Fund may be found in
the Registration Statement, on file with the SEC.
 
                                       30
<PAGE>   33
 
                                                                      APPENDIX A
- --------------------------------------------------------------------------------
 
                     DESCRIPTION OF DEBT SECURITIES 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.
 
  Standard & Poor's, a division of The McGraw-Hill Companies, Inc., ("S&P")
rates the securities debt of various entities in categories ranging from "AAA"
to "D" according to quality. Investment grade ratings are the first four
categories:
 
  AAA -- An obligation rated "AAA" has the highest rating assigned by S&P. The
obligor's capacity to meet its financial commitment on the obligation is
extremely strong. AA -- An obligation rated "AA" differs from the highest rated
obligations only in a small degree. The obligor's capacity to meet its financial
commitment on the obligation is very strong. A -- An obligation rated "A" is
somewhat more susceptible to the adverse effects of changes in circumstances and
economic conditions than obligations in higher rated categories. BBB -- An
obligation rated "BBB" exhibits adequate protection parameters. However, adverse
economic conditions or changing circumstances are more likely to lead to a
weakened capacity of the obligor to meet its financial commitment on the
obligation. BB, B, CCC, CC, C -- Obligations rated "BB," "B," "CCC," "CC," and
"C" are regarded as having significant speculative characteristics. "BB"
indicates the least degree of speculation and "C" the highest. While such
obligations will likely have some quality and protective characteristics, these
may be outweighed by large uncertainties or major exposures to adverse
conditions. BB -- An obligation rated "BB" is less vulnerable to nonpayment than
other speculative issues. However, it faces major ongoing uncertainties or
exposure to adverse business, financial, or economic conditions which could lead
to the obligor's inadequate capacity to meet its financial commitment on the
obligation. B -- An obligation rated "B" is more vulnerable to nonpayment than
obligations rated "BB," but the obligor currently has the capacity to meet its
financial commitment on the obligation. Adverse business, financial, or economic
conditions will likely impair the obligor's capacity or willingness to meet its
financial commitment on the obligation. CCC -- An obligation rated "CCC" is
currently vulnerable to nonpayment, and is dependent upon favorable business,
financial, and economic conditions for the obligor to meet its financial
commitment on the obligation. In the event of adverse business, financial, or
economic conditions, the obligor is not likely to have the capacity to meet its
financial commitment on the obligation. CC -- An obligation rated "CC" is
currently highly vulnerable to nonpayment. C -- The "C" rating may be used to
cover a situation where a bankruptcy petition has been filed or similar action
has been taken, but payments on this obligation are being continued. D -- An
obligation rated "D" is in payment default. The "D" rating category is used when
payments on an obligation are not made on the date due even if the applicable
grace period has not expired, unless S&P believes that such payments will be
made during such grace period. The "D" rating also will be used upon the filing
of a bankruptcy petition or the taking of a similar action if payments on an
obligation are jeopardized.
 
  PLUS (+) OR MINUS (-): The ratings from "AA" to "CCC" may be modified by the
addition of a plus or minus sign to show relative standing within the major
rating categories.
 
  NR: Indicates that no rating has been requested, that there is insufficient
information on which to base a rating, or that S&P does not rate a particular
type of obligation as a matter of policy.
 
                                       A-1
<PAGE>   34
 
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 "A-1" 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."
 
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.
 
                                       A-2
<PAGE>   35
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
- --------------------------------------------------------------------------------
 
To the Shareholders and Board of Trustees of AIM Floating Rate Fund (formerly GT
Global Floating Rate Fund, Inc.):
 
  In our opinion, the accompanying statement of assets and liabilities,
including the portfolio of investments, and the related statements of operations
and of changes in net assets and the financial highlights present fairly, in all
material respects, the financial position of the AIM Floating Rate Fund at
December 31, 1998, and the results of its operations, the changes in its net
assets and the financial highlights for the periods indicated, in conformity
with generally accepted accounting principles. These financial statements and
financial highlights (hereafter referred to as "financial statements") are the
responsibility of the Fund's management; our responsibility is to express an
opinion on these financial statements based on our audits. We conducted our
audits of these financial statements in accordance with generally accepted
auditing standards which require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement. An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements, assessing the
accounting principles used and significant estimates made by management, and
evaluating the overall financial statement presentation. We believe that our
audits, which included confirmation of investments owned at December 31, 1998 by
correspondence with the custodian and brokers, provide a reasonable basis for
the opinion expressed above.
 
                                           PRICEWATERHOUSECOOPERS LLP
 
Boston, Massachusetts
February 19, 1999
 
                                      FS-1
<PAGE>   36
 
                            PORTFOLIO OF INVESTMENTS
                               DECEMBER 31, 1998
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                        MOODY'S
                                                        RATING       PRINCIPAL       VALUE       % OF NET
SENIOR SECURED FLOATING RATE INTERESTS(A)(B)          (UNAUDITED)     AMOUNT        (NOTE 1)      ASSETS
- --------------------------------------------          -----------   -----------   ------------   --------
<S>                                                   <C>           <C>           <C>            <C>
LEISURE & TOURISM (13.0%)
Patriot American Hospitality, Inc.:.................  NR                                             2.9
  Term loan B due 3/31/03...........................                $ 5,620,313   $  5,402,526
  Term loan due 3/31/00.............................                  1,488,971      1,455,469
  Term loan due 3/31/99.............................                  1,323,529      1,293,750
Starwood Hotels & Resorts Worldwide, Inc.:..........  NR                                             1.7
  Term loan due 2/23/03.............................                  5,000,000      4,937,500
Extended Stay America, Inc.:........................  NR                                             1.7
  Term loan B due 12/31/03..........................                  5,000,000      4,900,000
Interval International Corp.:.......................  NR                                             1.4
  Term loan B due 12/16/05..........................                  2,103,750      2,097,176
  Term loan C due 12/15/06..........................                  2,103,750      2,097,176
The Resort at Summerlin, Inc.:......................  NR                                             1.4
  Term loan A due 3/31/04...........................                  4,000,000      3,970,000
  KSL Recreation Group, Inc.:.......................  B2                                             1.3
  Revolving Credit due 4/30/03......................                  4,011,429      2,516,362
  Term loan A due 4/30/05...........................                    707,143        699,336
  Term loan B due 4/30/06...........................                    707,143        699,336
ASC-West, Inc.:.....................................  B1                                             1.2
  Term loan due 5/31/06.............................                  3,571,429      3,571,429
Aladdin Gaming, LLC.:...............................  B2                                             0.9
  Term loan C due 2/26/08...........................                  2,222,223      2,194,444
  Term loan B due 8/26/06...........................                    277,778        274,305
ASC East, Inc.:.....................................  B1                                             0.5
  Term loan due 5/31/06.............................                  1,428,570      1,428,570
                                                                                  ------------
                                                                                    37,537,379
                                                                                  ------------
BROADCASTING & PUBLISHING (7.9%)
Capstar Broadcasting Corp.:.........................  B3                                             3.4
  Term loan B due 5/31/05...........................                  9,950,000      9,894,031
White Knight Broadcasting, Inc.:....................  NR                                             1.8
  Term loan B due 9/30/05...........................                  5,329,268      5,315,945
21st Century Newspapers, Inc.:......................  Ba3                                            1.7
  Term loan due 9/15/05.............................                  4,962,500      4,894,266
Comcorp Broadcasting, Inc.:.........................  NR                                             1.0
  Term loan B due 9/30/05...........................                  2,926,829      2,897,561
                                                                                  ------------
                                                                                    23,001,803
                                                                                  ------------
CHEMICALS (7.7%)
Lyondell Petrochemical Co.:.........................  Ba2                                            3.6
  Term loan B due 6/30/05...........................                 10,479,000     10,217,025
Huntsman Specialty Chemicals Corp.:.................  Ba2                                            1.6
  Term loan due 3/15/07.............................                  2,727,273      2,707,636
  Term loan C due 3/15/05...........................                  2,152,144      2,136,003
Sterling Pulp Chemicals (SASK) Ltd.:................  NR                                             1.3
  Term loan B due 6/30/05...........................                  3,640,598      3,604,192
Huntsman Corp.:.....................................  Ba2                                            1.2
  Term loan B due 6/30/04...........................                  3,442,437      3,412,316
                                                                                  ------------
                                                                                    22,077,172
                                                                                  ------------
</TABLE>
 
                                      FS-2
<PAGE>   37
 
   
<TABLE>
<CAPTION>
                                                        MOODY'S
                                                        RATING       PRINCIPAL       VALUE       % OF NET
SENIOR SECURED FLOATING RATE INTERESTS(A)(B)          (UNAUDITED)     AMOUNT        (NOTE 1)      ASSETS
- --------------------------------------------          -----------   -----------   ------------   --------
<S>                                                   <C>           <C>           <C>            <C>
HOUSEHOLD PRODUCTS (5.5%)
20th Century Plastics, Inc.:........................  NR                                             2.6
  Term loan B due 9/30/05...........................                $ 3,988,889   $  3,958,972
  Term loan C due 9/30/06...........................                  3,491,250      3,465,066
Century Maintenance Supply, Inc.:...................  NR                                             1.7
  Term loan B due 7/8/05............................                  4,975,000      4,912,813
Paint Sundry Brands Corp.:..........................  NR                                             1.2
  Term loan B due 8/11/05...........................                  1,795,500      1,764,079
  Term loan C due 8/11/06...........................                  1,661,667      1,632,588
                                                                                  ------------
                                                                                    15,733,518
                                                                                  ------------
BUSINESS & PUBLIC SERVICES (5.2%)
Bridge Information Systems, Inc.:...................  B1                                             1.7
  Term loan due 5/29/05.............................                  5,000,000      4,940,000
Genicom Corp.:......................................  NR                                             1.6
  Term loan B due 9/5/04............................                  4,843,750      4,698,438
Safety-Kleen Services Inc.:.........................  Ba3                                            1.0
  Term loan B due 4/3/04............................                  1,356,818      1,356,818
  Term loan C due 4/3/05............................                  1,356,818      1,356,818
Decision One Corp.:.................................  B1                                             0.9
  Term loan B due 8/6/05............................                  2,962,500      2,562,562
                                                                                  ------------
                                                                                    14,914,636
                                                                                  ------------
HEALTH CARE SERVICES (4.7%)
Mariner Post-Acute Network, Inc.:...................  Ba3                                            1.8
  Term loan B due 3/31/05...........................                  2,495,000      2,457,575
  Term loan C due 3/31/06...........................                  2,495,000      2,457,575
MedPartners, Inc.:..................................  B1                                             1.6
  Term loan B due 6/9/01............................                  4,636,661      4,485,969
Genesis Health Ventures, Inc.:......................  Ba3                                            0.8
  Term loan B due 9/30/04...........................                  1,203,598      1,182,535
  Term loan C due 6/30/05...........................                  1,200,806      1,179,791
The Multicare Companies, Inc.:......................  B1                                             0.5
  Term loan B due 9/30/04...........................                  1,234,375      1,208,145
  Term loan C due 6/1/05............................                    410,417        401,695
                                                                                  ------------
                                                                                    13,373,285
                                                                                  ------------
AUTO PARTS (4.3%)
American Axle & Manufacturing of Michigan, Inc.:....  Ba3                                            1.7
  Term loan due 4/30/06.............................                  5,000,000      4,962,500
Federal-Mogul Corp.:................................  Ba2                                            1.6
  Term loan B due 12/31/05..........................                  4,500,000      4,454,999
Joan Fabrics Corp.:.................................  B1                                             1.0
  Term loan B due 6/30/05...........................                  1,907,401      1,893,096
  Term loan C due 6/30/06...........................                    990,514        983,085
                                                                                  ------------
                                                                                    12,293,680
                                                                                  ------------
CONSUMER SERVICES (3.9%)
Coinmach Laundry Corp.:.............................  Ba2                                            2.4
  Term loan B due 6/30/05...........................                  6,932,538      6,897,875
Rent-A-Center, Inc.:................................  Ba3                                            1.5
  Term loan C due 2/5/07............................                  2,408,924      2,366,767
  Term loan B due 2/5/06............................                  1,970,938      1,936,446
                                                                                  ------------
                                                                                    11,201,088
                                                                                  ------------
</TABLE>
    
 
                                      FS-3
<PAGE>   38
 
   
<TABLE>
<CAPTION>
                                                        MOODY'S
                                                        RATING       PRINCIPAL       VALUE       % OF NET
SENIOR SECURED FLOATING RATE INTERESTS(A)(B)          (UNAUDITED)     AMOUNT        (NOTE 1)      ASSETS
- --------------------------------------------          -----------   -----------   ------------   --------
<S>                                                   <C>           <C>           <C>            <C>
CABLE TELEVISION (3.4%)
Charter Communications Entertainment, L.P.:.........  Ba3                                            1.7
  Term loan due 9/30/07.............................                $ 5,000,000   $  4,987,500
Charter Communications Southeast, L.P.:.............  Ba3                                            1.7
  Term loan C due 1/1/08............................                  5,000,000      4,953,125
                                                                                  ------------
                                                                                     9,940,625
                                                                                  ------------
WIRELESS COMMUNICATIONS (3.4%)
Western PCS Holding Corp.:..........................  B1                                             1.7
  Term loan B due 6/26/07...........................                  5,000,000      4,968,750
Commnet Cellular, Inc.:.............................  B1                                             1.7
  Term loan D due 9/30/07...........................                  3,252,033      3,228,992
  Term loan C due 3/31/07...........................                  1,161,440      1,153,211
  Term loan B due 9/30/06...........................                    586,527        582,251
                                                                                  ------------
                                                                                     9,933,204
                                                                                  ------------
APPLIANCES & HOUSEHOLD (3.4%)
Simmons Co., Inc.:..................................  Ba3                                            1.7
  Term loan C due 10/29/06..........................                  3,562,500      3,544,688
  Term loan B due 10/29/05..........................                  1,424,489      1,417,367
The Imperial Home Decor Group:......................  B1                                             1.7
  Term loan B due 3/13/05...........................                  3,300,000      3,262,875
  Term loan C due 3/13/06...........................                  1,700,000      1,680,875
                                                                                  ------------
                                                                                     9,905,805
                                                                                  ------------
TRANSPORTATION -- SHIPPING (2.6%)
American Commercial Lines:                                Ba2                                        1.7
  Term loan C due 6/30/07...........................                  2,877,301      2,861,122
  Term loan B due 6/30/06...........................                  2,111,273      2,099,401
Atlas Freighter Leasing, Inc.:......................  Ba3                                            0.9
  Term loan due 5/29/04.............................                  2,734,865      2,706,380
                                                                                  ------------
                                                                                     7,666,903
                                                                                  ------------
PLASTICS & RUBBER (2.6%)
Intesys Technologies, Inc.:.........................  NR                                             2.6
  Term loan due 6/30/06.............................                  7,485,000      7,410,150
                                                                                  ------------
GAS PRODUCTION & DISTRIBUTION (2.4%)
Ferrellgas, L.P.:...................................  NR                                             2.4
  Term loan C due 6/17/06...........................                  7,000,000      7,000,000
                                                                                  ------------
MACHINERY & ENGINEERING (2.4%)
Formax, Inc.:.......................................  NR                                             2.4
  Term loan B due 9/30/05...........................                  6,965,000      6,930,175
                                                                                  ------------
PHARMACEUTICALS (2.4%)
Leiner Health Products Group:.......................  Ba3                                            1.5
  Term loan C due 12/30/05..........................                  4,451,207      4,417,822
Endo Pharmaceuticals, Inc.:.........................  B1                                             0.9
  Term loan B due 6/30/04...........................                  2,452,381      2,427,857
                                                                                  ------------
                                                                                     6,845,679
                                                                                  ------------
PAPER/PACKAGING (2.3%)
Graham Packaging Co.:...............................  B1                                             1.3
  Term loan D due 1/31/07...........................                  1,446,429      1,439,196
  Term loan B due 1/31/06...........................                  1,353,516      1,343,364
  Term loan C due 1/31/07...........................                  1,121,484      1,115,877
</TABLE>
    
 
                                      FS-4
<PAGE>   39
 
   
<TABLE>
<CAPTION>
                                                        MOODY'S
                                                        RATING       PRINCIPAL       VALUE       % OF NET
SENIOR SECURED FLOATING RATE INTERESTS(A)(B)          (UNAUDITED)     AMOUNT        (NOTE 1)      ASSETS
- --------------------------------------------          -----------   -----------   ------------   --------
<S>                                                   <C>           <C>           <C>            <C>
PAPER/PACKAGING -- (CONTINUED)
Stone Container Corp.:..............................  Ba3                                            1.0
  Term loan E due 10/1/03...........................                $ 2,895,738   $  2,877,640
                                                                                  ------------
                                                                                     6,776,077
                                                                                  ------------
RESTAURANTS (1.7%)
AFC Enterprises, Inc.:..............................  Ba3                                            1.7
  Term loan B due 6/30/04...........................                  4,987,500      4,975,031
                                                                                  ------------
RETAILERS -- FOOD (1.7%)
Star Markets, Inc.:.................................  Ba3                                            1.7
  Term Loan C due 12/31/02..........................                  4,954,088      4,941,703
                                                                                  ------------
Mistic/Snapple Brands, Inc.:........................  NR                                             1.6
  Term loan B due 6/1/04............................                  2,439,492      2,421,196
  Term loan C due 6/1/05............................                  2,439,492      2,421,196
                                                                                  ------------
                                                                                     4,842,392
                                                                                  ------------
OFFICE EQUIPMENT (1.6%)
Dictaphone Corp.:...................................  B2                                             1.6
  Term loan C due 12/31/02..........................                  2,475,000      2,351,250
  Term loan B due 6/30/02...........................                  2,436,828      2,290,618
                                                                                  ------------
                                                                                     4,641,868
                                                                                  ------------
COAL (1.6%)
P & L Coal Holdings Corp.:..........................  NR                                             1.0
  Term loan B due 6/9/06............................                  2,769,231      2,751,924
Centennial Resources, Inc.:(c)......................  NR                                             0.6
  Term loan B due 3/31/04...........................                  1,966,666        983,334
  Term loan A due 3/31/02...........................                    850,000        425,000
  Revolving Credit due 6/30/99......................                    355,789        176,704
                                                                                  ------------
                                                                                     4,336,962
                                                                                  ------------
OTHER CONSUMER GOODS (1.5%)
The Boyds Collection, Ltd.:.........................  Ba3                                            1.5
  Term loan B due 4/21/06...........................                  4,216,667      4,169,229
                                                                                  ------------
INDUSTRIAL COMPONENTS (1.4%)
Thermadyne MFG. L.L.C.:.............................  B1                                             1.4
  Term loan B due 5/22/05...........................                  1,990,000      1,976,319
  Term loan C due 5/22/06...........................                  1,990,000      1,976,319
                                                                                  ------------
                                                                                     3,952,638
                                                                                  ------------
BUILDING MATERIALS & COMPONENTS (1.3%)
Atrium Cos., Inc.:..................................  B1                                             1.3
  Term Loan C due 6/30/06...........................                  1,963,333      1,951,554
  Term Loan B due 6/30/05...........................                  1,716,481      1,706,182
                                                                                  ------------
                                                                                     3,657,736
                                                                                  ------------
MEDICAL TECHNOLOGY & SUPPLIES (0.9%)
Sterling Diagnostic Imaging, Inc.:..................  NR                                             0.9
  Term loan due 6/30/05.............................                  2,497,596      2,472,620
                                                                                  ------------    ------
TOTAL SENIOR SECURED FLOATING RATE INTERESTS (cost
  $265,043,827).....................................                               260,531,358      90.4
                                                                                  ------------    ------
</TABLE>
    
 
                                      FS-5
<PAGE>   40
 
<TABLE>
<CAPTION>
                                                                                     VALUE       % OF NET
REPURCHASE AGREEMENT                                                                (NOTE 1)      ASSETS
- --------------------                                                              ------------   --------
<S>                                                   <C>           <C>           <C>            <C>
Dated December 31, 1998, with State Street Bank &
  Trust Co., due January 4, 1999, for an effective
  yield of 4.50%, collateralized by $325,000 U.S.
  Treasury Notes, 4.00% due 10/31/00 and $22,395,000
  U.S. Treasury Notes, 6.875% due 5/15/06 (market
  value of collateral is $25,825,681 including
  accrued interest). (cost $25,314,000).............                              $ 25,314,000       8.8
                                                                                  ------------    ------
TOTAL INVESTMENTS (cost $290,357,827)*..............                               285,845,358      99.2
Other Assets and Liabilities........................                                 2,228,208       0.8
                                                                                  ------------    ------
NET ASSETS..........................................                              $288,073,566     100.0
                                                                                  ============    ======
</TABLE>
 
- ---------------
 
(a)Senior secured corporate loans and senior secured debt securities in the
   Fund's portfolio generally have variable rates which adjust to a base, such
   as the London Inter-Bank Offered Rate ("LIBOR"), on set dates, typically
   every 30 days but not greater than one year; and/or have interest rates that
   float at a margin above a widely recognized base lending rate such as the
   Prime Rate of a designated U.S. bank. Senior secured floating rate interests
   are, at present, not readily marketable and may be subject to restrictions on
   resale.
 
(b)Senior secured floating rate interests often require prepayments from excess
   cash flow or permit the borrower to repay at its election. The degree to
   which borrowers repay, whether as a contractual requirement or at their
   election, cannot be predicted with accuracy. As a result, the actual
   remaining maturity may be substantially less than the stated maturities
   shown. However, it is anticipated that the senior secured floating rate
   interests will have an expected average life of three to five years.
 
(c)Non-income producing security: Centennial Resources, Inc. filed for
   bankruptcy under Chapter 11 on October 13, 1998.
 
 * For Federal income tax purposes, cost is $290,357,827 and appreciation
   (depreciation) is as follows:
 
<TABLE>
<S>                                            <C>
Unrealized appreciation:.....................  $     4,815
Unrealized depreciation:.....................   (4,517,284)
                                               -----------
Net unrealized depreciation:.................  $(4,512,469)
                                               ===========
</TABLE>
 
Abbreviation:
 
NR -- Not rated
 
The accompanying notes are an integral part of the financial statements.
                                      FS-6
<PAGE>   41
 
                      STATEMENT OF ASSETS AND LIABILITIES
                               DECEMBER 31, 1998
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                           <C>
Assets:
  Investments at value (cost $290,357,827) (Note 1).........  $285,845,358
  U.S. currency.............................................           756
  Interest receivable.......................................     2,294,966
  Receivable for Fund shares sold...........................     1,469,019
  Unamortized organizational costs (Note 1).................       141,376
  Receivable for securities sold............................        30,148
  Miscellaneous receivable..................................         3,798
                                                              ------------
          Total assets......................................   289,785,421
                                                              ------------
Liabilities:
  Payable for distribution..................................       785,474
  Deferred facility fees (Note 1)...........................       582,302
  Payable for investment management and administration fees
     (Note 2)...............................................       241,073
  Payable for professional fees.............................        39,949
  Payable for printing and postage expenses.................        14,218
  Payable for transfer agent fees (Note 2)..................         9,928
  Payable for securities purchased..........................         8,989
  Payable for fund accounting fees (Note 2).................         7,258
  Payable for registration and filing fees..................         3,139
  Payable for Trustees' fees and expenses...................         2,141
  Payable for custodian fees................................         1,886
  Other accrued expenses....................................        15,398
                                                              ------------
          Total liabilities.................................     1,711,755
                                                              ------------
  Minority interest (Note 1)................................           100
                                                              ------------
Net assets..................................................  $288,073,566
                                                              ============
Net asset value and offering price per share ($288,073,566 /
  29,274,261 shares outstanding)............................  $       9.84
                                                              ============
Net assets consist of:
  Paid in capital (Note 4)..................................  $292,414,237
  Undistributed net investment income.......................       161,289
  Accumulated net realized gain on investments..............        10,509
  Net unrealized depreciation of investments................    (4,512,469)
                                                              ------------
          Total -- representing net assets applicable to
          shares of common stock outstanding................  $288,073,566
                                                              ============
</TABLE>
 
The accompanying notes are an integral part of the financial statements.
                                      FS-7
<PAGE>   42
 
                            STATEMENT OF OPERATIONS
                          YEAR ENDED DECEMBER 31, 1998
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                           <C>
Investment income:
  Interest income...........................................  $18,745,091
  Facility fees earned......................................      311,167
  Interest expense (Note 1).................................      (11,594)
                                                              -----------
          Total investment income...........................   19,044,664
                                                              -----------
Expenses:
  Investment management and administration fees (Note 2)....    2,715,134
  Printing and postage expenses.............................      257,766
  Professional fees.........................................      230,750
  Transfer agent fees (Note 2)..............................      184,250
  Registration and filing fees..............................       93,150
  Fund accounting fees (Note 2).............................       68,019
  Amortization of organization costs (Note 1)...............       42,468
  Trustees' fees and expenses (Note 2)......................       30,540
  Custodian fees............................................        3,970
  Other expenses............................................       79,382
                                                              -----------
          Total expenses before reductions..................    3,705,429
  Expenses reimbursed by A I M Advisors, Inc. (Note 2)......     (299,381)
                                                              -----------
          Total net expenses................................    3,406,048
                                                              -----------
Net investment income.......................................   15,638,616
                                                              -----------
Net realized and unrealized gain (loss) on investments:
  (Note 1)
  Net realized gain on investments..........................       10,508
  Net unrealized depreciation on investments................   (4,634,050)
                                                              -----------
Net realized and unrealized gain (loss) on investments......   (4,623,542)
                                                              -----------
Net increase in net assets resulting from operations........  $11,015,074
                                                              ===========
</TABLE>
 
The accompanying notes are an integral part of the financial statements.
                                      FS-8
<PAGE>   43
 
                      STATEMENTS OF CHANGES IN NET ASSETS
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                               MAY 1, 1997
                                                                             (COMMENCEMENT OF
                                                               YEAR ENDED     OPERATIONS) TO
                                                              DECEMBER 31,     DECEMBER 31,
                                                                  1998             1997
                                                              ------------   ----------------
<S>                                                           <C>            <C>
Increase (decrease) in net assets
Operations:
  Net investment income.....................................   $15,638,616     $  5,351,450
  Net realized gain on investments..........................        10,508          150,555
  Net change in unrealized appreciation (depreciation) of
     investments............................................    (4,634,050)         121,581
                                                              ------------     ------------
          Net increase in net assets resulting from
            operations......................................    11,015,074        5,623,586
                                                              ------------     ------------
Distributions to shareholders: (Note 1)
  From net investment income................................   (15,477,327)      (5,351,450)
  From net realized gain on investments.....................      (150,555)              --
                                                              ------------     ------------
          Total distributions...............................   (15,627,882)      (5,351,450)
                                                              ------------     ------------
Capital share transactions: (Note 4)
  Increase from capital shares sold and reinvested..........   170,075,753      168,538,536
  Decrease from capital shares repurchased..................   (39,086,520)      (7,213,531)
                                                              ------------     ------------
          Net increase from capital share transactions......   130,989,233      161,325,005
                                                              ------------     ------------
Total increase in net assets................................   126,376,425      161,597,141
Net assets:
  Beginning of year.........................................   161,697,141          100,000
                                                              ------------     ------------
  End of year*..............................................  $288,073,566     $161,697,141
                                                              ============     ============
  * Includes undistributed net investment income............  $    161,289     $         --
                                                              ============     ============
</TABLE>
 
The accompanying notes are an integral part of the financial statements.
                                      FS-9
<PAGE>   44
 
                            STATEMENT OF CASH FLOWS
                          YEAR ENDED DECEMBER 31, 1998
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                           <C>
Cash Provided by Operating Activities:
  Net increase in net assets resulting from operations......  $    11,015,074
     Increase in receivables................................         (952,065)
     Increase in payables...................................          156,855
     Net realized and unrealized gain on investments........        4,623,542
     Increase in deferred facility fees.....................          393,307
     Decrease in unamortized organization costs.............           42,468
                                                              ---------------
          Net cash provided by operating activities.........       15,279,181
                                                              ---------------
Cash Used for Investing Activities:
  Proceeds from principal payments and sales of senior
     floating rate interests................................      155,074,585
  Purchases of senior secured floating rate interests.......     (263,037,556)
  Purchases of short-term investments.......................   (4,074,810,000)
  Proceeds from sales and maturities of short-term
     investments............................................    4,051,099,000
                                                              ---------------
          Net cash used in investing activities.............     (131,673,971)
                                                              ---------------
Cash Provided by Financing Activities:
  Proceeds from capital shares sold and reinvested..........      163,500,280
  Disbursements from capital shares repurchased.............      (39,086,520)
  Dividends paid to shareholders............................       (8,018,356)
  Proceeds from bank line of credit.........................       38,416,000
  Repayment of proceeds from bank line of credit............      (38,416,000)
                                                              ---------------
          Net cash provided by financing activities.........      116,395,404
                                                              ---------------
  Net increase in cash......................................              614
  Cash at Beginning of Period...............................              142
                                                              ---------------
  Cash at End of Period.....................................  $           756
                                                              ===============
Non-Cash Financing Activities:
  Value of capital shares issued in reinvestment of
     dividends paid to shareholders.........................  $     7,380,819
                                                              ===============
</TABLE>
 
The accompanying notes are an integral part of the financial statements.
                                      FS-10
<PAGE>   45
 
                              FINANCIAL HIGHLIGHTS
- --------------------------------------------------------------------------------
 
  Contained below is per share operating performance data for a share
outstanding, total investment return, ratios and supplemental data. This
information has been derived from information provided in the financial
statements.
 
<TABLE>
<CAPTION>
                                                                               MAY 1, 1997
                                                                             (COMMENCEMENT OF
                                                               YEAR ENDED     OPERATIONS) TO
                                                              DECEMBER 31,     DECEMBER 31,
                                                                  1998             1997
                                                              ------------   ----------------
<S>                                                           <C>            <C>
Per Share Operating Performance:
  Net asset value, beginning of period......................    $  10.02         $  10.00
                                                                --------         --------
Income from investment operations:
  Net investment income.....................................        0.68             0.46
  Net realized and unrealized gain (loss) on investments....       (0.18)            0.02
                                                                --------         --------
          Net increase from investment operations...........        0.50             0.48
                                                                --------         --------
Distributions to shareholders:
  From net investment income................................       (0.67)           (0.46)
  From net realized gain on investments.....................       (0.01)              --
                                                                --------         --------
          Total distributions...............................       (0.68)           (0.46)
                                                                --------         --------
Net asset value, end of period..............................    $   9.84         $  10.02
                                                                ========         ========
Total investment return(c)..................................        5.25%            5.04%(b)
Ratios and supplemental data:
Net assets, end of period (in 000's)........................    $288,074         $161,697
Ratio of net investment income to average net assets:
  With expense reimbursement (Note 2).......................        6.88%            7.26%(a)
  Without expense reimbursement.............................        6.75%            6.24%(a)
Ratio of expenses to average net assets:
  With expense reimbursement (Note 2).......................        1.50%            1.50%(a)
  Without expense reimbursement.............................        1.63%            2.52%(a)
Ratio of interest expense to average net assets.............        0.01%            0.15%(a)
Portfolio turnover rate.....................................          75%             118%(a)
</TABLE>
 
- ---------------
 
(a) Annualized
(b) Not annualized
(c) Total investment return does not include sales charges.
 
The accompanying notes are an integral part of the financial statements.
                                      FS-11
<PAGE>   46
 
                         NOTES TO FINANCIAL STATEMENTS
                               DECEMBER 31, 1998
- --------------------------------------------------------------------------------
 
1. SIGNIFICANT ACCOUNTING POLICIES
 
  GT Global Floating Rate Fund, Inc., d/b/a AIM Floating Rate Fund (the "Fund"),
is organized as a Maryland corporation and is registered under the Investment
Company Act of 1940, as amended ("1940 Act"), as a continuously offered
non-diversified, closed-end management investment company.
 
  The Fund invests all of its investable assets in the Floating Rate Portfolio
("Portfolio"). The Portfolio is organized as a Delaware business trust and is
registered under the 1940 Act as a non-diversified, closed-end management
investment company.
 
  The Portfolio has investment objectives, policies, and limitations
substantially identical to those of the Fund. Therefore, the financial
statements of the Fund and the Portfolio have been presented on a consolidated
basis, and represent all activities of both the Fund and the Portfolio. Through
December 31, 1998, all of the beneficial interest in the Portfolio was owned
either by the Fund or INVESCO (NY), Inc., the Portfolio's investment
sub-sub-advisor which has a nominal ($100) investment in the Portfolio.
 
  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 year. Actual
results could differ from those estimates. The following is a summary of
significant accounting policies in conformity with generally accepted accounting
principles consistently followed by the Fund in the preparation of the financial
statements.
 
(A) PORTFOLIO VALUATION
 
  The Portfolio invests primarily in senior secured corporate loans ("Corporate
Loans") and senior secured debt securities ("Corporate Debt Securities") that
meet credit standards established by INVESCO Senior Secured Management, Inc.,
(the "Sub-Adviser"), formerly, Chancellor LGT Senior Secured Management, Inc.
 
  When possible, A I M Advisors, Inc. (the "Manager") or the Sub-Adviser will
rely on quotations provided by banks, dealers or pricing services with respect
to Corporate Loans and Corporate Debt Securities. Whenever it is not possible to
obtain such quotes, the Sub-Adviser, subject to guidelines reviewed by the
Portfolio's Board of Trustees, values the Corporate Loans and Corporate Debt
Securities at Fair Value, which approximates market value. In valuing a
Corporate Loan or Corporate Debt Security, the Sub-Adviser considers, among
other factors, (i) the credit worthiness of the U.S. or non-U.S. Company
borrowing or issuing Corporate Debt Securities and any intermediate loan
participants, (ii) the current interest rate, period until next interest rate
reset and maturity of the Corporate Loan or Corporate Debt Security, (iii)
recent prices in the market for instruments of similar quality, rate, and period
until next interest rate reset and maturity.
 
(B) REPURCHASE AGREEMENTS
 
  With respect to repurchase agreements entered into by the Portfolio, it is the
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 Portfolio
under each agreement at its maturity. Repurchase agreements are valued at cost
plus accrued interest.
 
(C) INTERMEDIATE PARTICIPANTS
 
   
  The Portfolio invests primarily in Corporate Loans from U.S. or non-U.S.
companies (the "Borrowers"). The investment of the Portfolio in a Corporate Loan
may take the form of participation interests or assignments. If the Portfolio
purchases a participation interest from a syndicate of lenders ("Lenders") or
one of the participants in the syndicate ("Participant"), one or more of which
administers the loan on behalf of all the Lenders (the "Agent Bank"), the
Portfolio would be required to rely on the Lender that sold the participation
interest not only for the enforcement of the Portfolio's rights against the
Borrower but also for the receipt and processing of payments due to the
Portfolio under the Corporate Loans. As such, the Portfolio is subject to the
credit risk of the Borrower and a Participant. Lenders and Participants
interposed between the Portfolio and a Borrower, together with Agent Banks, are
referred to as "Intermediate Participants."
    
 
(D) INVESTMENT TRANSACTIONS
 
  Investment transactions are accounted for on the trade date (date the order to
buy or sell is executed). The cost of investments sold is determined on a
first-in, first-out basis, unless otherwise specified. The Portfolio may trade
securities on other than normal settlement terms. This may increase the market
risk if the other party to the transaction fails to deliver and causes the
Portfolio to subsequently invest at less advantageous prices.
 
                                      FS-12
<PAGE>   47
 
(E) TAXES
 
  It is the policy of the Fund to meet the requirements for qualification as a
"regulated investment company" under the Internal Revenue Code of 1986, as
amended ("Code"). It is also the intention of the Fund to make distributions
sufficient to avoid imposition of any excise tax under Section 4982 of the Code.
Therefore, no provision has been made for Federal taxes on income, capital
gains, and unrealized appreciation of securities held, or excise tax on income
and capital gains.
 
(F) DISTRIBUTIONS TO SHAREHOLDERS
 
  Distributions to shareholders from net investment income are declared daily
and paid or reinvested monthly. 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 Portfolio and timing differences.
 
(G) DEFERRED ORGANIZATIONAL EXPENSES
 
  Expenses incurred by the Fund or Portfolio in connection with its organization
aggregated $212,350. These expenses are being amortized on a straightline basis
over a five-year period.
 
(H) RESTRICTED SECURITIES
 
  The Portfolio may invest all or substantially all of its assets in Corporate
Loans, Corporate Debt Securities or other securities that are rated below
investment grade by a nationally recognized statistical rating organization, or
in comparable unrated securities. The 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.
 
(I) SECURITIES PURCHASED ON A WHEN-ISSUED AND DELAYED DELIVERY BASIS
 
  The Portfolio may purchase and sell interests in Corporate Loans and Corporate
Debt Securities and other portfolio securities on a when-issued and delayed
delivery basis, with payment and delivery scheduled for a future date. No income
accrues to the Portfolio on such interests or securities in connection with such
transactions prior to the date the Portfolio actually takes delivery of such
interests or securities. 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 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 Portfolio has set aside
sufficient cash or liquid high grade debt securities as collateral for these
purchase commitments.
 
(J) INVESTMENT INCOME
 
  Investment income is recorded on an accrual basis. Where a high level of
uncertainty exists as to collection of income on securities, income is recorded
net of all withholding tax with any rebate recorded when received. Facility fees
received are recognized as income over the expected life of the loan. Market
discounts are accreted over the stated life of each applicable security.
 
(K) LINE OF CREDIT
 
  The Fund, along with certain other funds advised and/or administered by A I M
Advisors, Inc. ("AIM" or the "Manager"), has a line of credit with BankBoston
and State Street Bank and Trust Company. The arrangements with the banks allow
the Fund and certain other funds to borrow, on a first come, first served basis,
an aggregate maximum amount of $250,000,000. The Fund is limited to borrowing up
to 33 1/3% of the value of the Fund's total assets. On December 31, 1998, the
Fund had no outstanding loan balance.
 
  For the year ended December 31, 1998, the weighted average outstanding daily
balance of bank loans (based on the number of days the loans were outstanding)
was $2,799,958 with a weighted average interest rate of 6.21%. Interest expense
for the year ended was $11,594.
 
2. RELATED PARTIES
 
  A I M Advisors, Inc. (the "Manager") is the investment manager and
administrator for the Fund and Portfolio, INVESCO Senior Secured Management,
Inc. (formerly, Chancellor LGT Senior Secured Management, Inc.) is the
Portfolio's investment sub-adviser ("Sub-Adviser"), and INVESCO (NY), Inc.
(formerly Chancellor LGT Asset Management, Inc.) is the Portfolio's
sub-sub-adviser. As of the close of business on May 29, 1998, Liechtenstein
Global Trust AG ("LGT"), the former indirect parent organization of Chancellor
LGT Asset Management, Inc. ("Chancellor LGT") and Chancellor LGT Senior Secured
Management, Inc. ("Senior Secured"), consummated a purchase agreement with
AMVESCAP PLC pursuant to which AMVESCAP PLC acquired LGT's Asset Management
Division, which included Chancellor LGT, Senior Secured and certain other
affiliates. As a result of this transaction, Chancellor LGT was
 
                                      FS-13
<PAGE>   48
 
renamed INVESCO (NY), Inc., Senior Secured was renamed INVESCO Senior Secured
Management, Inc., and each of them is now an indirect wholly-owned subsidiary of
AMVESCAP PLC. A I M Distributors, Inc. ("AIM Distributors"), a wholly-owned
subsidiary of the Manager, became the Fund's distributor as of the close of
business on May 29, 1998. Finally, as of the close of business on September 4,
1998, A I M Fund Services, Inc. ("AFS"), an affiliate of the Manager and AIM
Distributors, replaced GT Global Investor Services, Inc. ("GT Services") as the
transfer agent of the Fund.
 
  The Fund pays the Manager administration fees at the annualized rate of 0.25%
of such Fund's average daily net assets. The Portfolio pays investment
management and administration fees to the Manager at the annualized rate of
0.95% of the Portfolio's average daily net assets.
 
  AIM Distributors serves as the Fund's distributor. For the year ended May 29,
1998, GT Global, Inc. ("GT Global") served as the Fund's distributor.
 
  Certain redemptions of common shares made within four years of purchase are
subject to an early withdrawal charge, in accordance with the fund's current
prospectus. For the period ended December 31, 1998, AIM Distributors and GT
Global collected early withdrawal charges in the amount of $475,585 and $77,982,
respectively for the Fund.
 
  The Manager and AIM Distributors have undertaken to limit the Fund's expenses
(exclusive of brokerage commissions, taxes, interest, and extraordinary
expenses) to the maximum annual rate of 1.50% of the average daily net assets of
the Fund.
 
  Effective as of the close of business September 4, 1998, the Fund, pursuant to
a transfer agency and service agreement, has agreed to pay AFS an annualized fee
of $24.85 per shareholder accounts that are open during any monthly period (this
fee includes all out-of-pocket expenses), and an annualized fee of $0.70 per
shareholder account that is closed during any monthly period. Both fees shall be
billed by AFS monthly in arrears on a prorated basis of 1/12 of the annualized
fee for all such accounts.
 
  For the period January 1, 1998 to September 4, 1998, GT Services, an affiliate
of the Manager and AIM Distributors, was the transfer agent of the Fund. For
performing shareholder servicing, reporting, and general transfer agent
services, GT Services received an annual maintenance fee of $17.50 per account,
a new account fee of $4.00 per account, a per transaction fee of $1.75 for all
transactions other than exchanges and a per exchange fee of $2.25. GT Services
was also 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 Fund. The monthly fee
for these services to the Manager is a percentage, not to exceed 0.03% annually,
of the Fund's average daily net assets. The annual fee rate is derived based on
the aggregate net assets of the funds which comprise the following investment
companies: AIM Growth Series, AIM Investment Funds, AIM Investment Portfolios,
AIM Series Trust, G.T. Global Variable Investment Series and G.T. Global
Variable Investment Trust. The fee is calculated at the rate of 0.03% to the
first $5 billion of assets and 0.02% to the assets in excess of $5 billion. An
amount is allocated to and paid by each such fund based on its relative average
daily net assets.
 
  The Trust pays each of its Trustees who is not an employee, officer or
director of the Manager, AIM Distributors or GT Services $5,000 per year plus
$300 for each meeting of the board or any committee thereof attended by the
Trustee.
 
3. PURCHASES AND SALES OF SECURITIES
 
  For the year ended December 31, 1998, purchases and sales of investment
securities by the Portfolio, other than U.S. government obligations and
short-term investments, aggregated $263,046,545 and $154,949,346, respectively.
There were no purchases or sales of U.S. government obligations by the Portfolio
for the year ended December 31, 1998.
 
                                      FS-14
<PAGE>   49
 
4. CAPITAL SHARES
 
  At December 31, 1998, the Fund is authorized to issue 1 billion shares of
capital stock, $0.001 par value, all of which is classified as Common Stock.
 
                           CAPITAL SHARE TRANSACTIONS
 
<TABLE>
<CAPTION>
                                                                                       MAY 1, 1997
                                                                                    (COMMENCEMENT OF
                                                           YEAR ENDED                OPERATIONS) TO
                                                        DECEMBER 31, 1998           DECEMBER 31, 1997
                                                    -------------------------   -------------------------
                                                      SHARES        AMOUNT        SHARES        AMOUNT
                                                    ----------   ------------   ----------   ------------
<S>                                                 <C>          <C>            <C>          <C>
Shares sold.......................................  16,339,303   $162,694,934   16,621,817   $166,317,980
Shares issued in connection with reinvestment of
  distributions...................................     741,971      7,380,819      221,712      2,220,556
                                                    ----------   ------------   ----------   ------------
                                                    17,081,274    170,075,753   16,843,529    168,538,536
Shares repurchased................................  (3,940,550)   (39,086,520)    (719,992)    (7,213,531)
                                                    ----------   ------------   ----------   ------------
Net increase......................................  13,140,724   $130,989,233   16,123,537   $161,325,005
                                                    ==========   ============   ==========   ============
</TABLE>
 
5. UNFUNDED LOAN COMMITMENTS
 
  As of December 31, 1998, the Fund had unfunded loan commitments of $1,634,762,
which would be extended at the option of the borrower, pursuant to the following
loan agreements:
 
<TABLE>
<CAPTION>
                                                              UNFUNDED
BORROWER                                                     COMMITMENTS
- --------                                                     -----------
<S>                                                          <C>
Centennial Resources, Inc..................................  $  176,395
KLS Recreation Group, Inc..................................   1,458,367
</TABLE>
 
6. TENDER OFFER
 
  The Fund's Board of Directors considers each quarter the making of Tender
Offers which are offers to repurchase all or a portion of its shares of Common
Stock from stockholders at a price per share equal to the net asset value per
share of the Fund's Common Stock determined at the close of business on the day
an offer terminates. Shares of Common Stock held less than four years and which
are repurchased by the Fund pursuant to Tender Offers will be subject to an
early withdrawal charge of up to 3% of the lesser of the then current net asset
value or the original purchase price of the Common Stock being tendered.
 
                                      FS-15
<PAGE>   50
 
[AIM LOGO APPEARS HERE]         THE AIM FAMILY OF FUNDS--Registered Trademark--
 
Investment Manager
A I M Advisors, Inc.
11 Greenway Plaza, Suite 100
Houston, TX 77046-1173
 
Sub-Advisor
INVESCO Senior Secured Management, Inc.
1166 Avenue of the Americas
New York, NY 10036
 
Sub-Sub-Advisor
INVESCO (NY), Inc.
50 California Street, 27th Floor
San Francisco, CA 94111
 
Principal Underwriter
A I M Distributors, Inc.
P.O. Box 4739
Houston, TX 77210-4739
 
Transfer Agent
A I M Fund Services, Inc.
P.O. Box 4739
Houston, TX 77210-4739
 
Custodian
State Street Bank and Trust Company
225 Franklin Street
Boston, MA 02110
 
Independent Accountants
PricewaterhouseCoopers LLP
   
160 Federal Street
    
   
Boston, MA 02110
    
 
For more complete information about funds in The AIM Family of Funds--Registered
Trademark--, including charges and expenses, please call your financial
consultant and request a free prospectus. Please read the prospectus carefully
before you invest or send money.
 
FLR-PRO-1
<PAGE>   51
 
                             AIM FLOATING RATE FUND
 
                                     PART C
 
                               OTHER INFORMATION
 
ITEM 24. FINANCIAL STATEMENTS AND EXHIBITS
 
  (1) Financial Statements:
 
   
  Report of Independent Accountants (filed herewith)
    
 
   
  Statement of Assets and Liabilities (filed herewith)
    
 
  (2) Exhibits:
 
   
<TABLE>
<C>                 <S>
      (a)           -- Articles of Incorporation, dated December 4, 1996, of the
                       Registrant were filed electronically as an Exhibit to
                       Registrant's Initial Registration Statement under 33 Act
                       No. 333-17425 on December 6, 1996 and are hereby
                       incorporated by reference.
      (b)           -- By-Laws, dated December 4, 1996, of the Registrant, as
                       amended and restated on December 10, 1998 (filed
                       herewith).
      (c)           -- Voting Trust Agreements -- None.
      (d)           -- Instruments Defining Rights of Shareholders were filed
                       electronically as an Exhibit to Registrant's Pre-
                       Effective Amendment No. 2 under 33 Act No. 333-17425 on
                       March 24, 1997 and are hereby incorporated by reference.
      (e)           -- Dividend Reinvestment Plan was filed electronically as an
                       Exhibit to Registrant's Pre-Effective Amendment No. 2
                       under 33 Act No. 333-17425 on March 24, 1997 and is
                       hereby incorporated by reference.
      (f)           -- Constituent Instruments Defining the Rights of the
                       Holders of Debt -- None.
      (g)(1)        -- Investment Management and Administration Contract, dated
                       May 29, 1998, between Floating Rate Portfolio and A I M
                       Advisors, Inc. was filed electronically as an Exhibit to
                       Registrant's Post-Effective Amendment No. 4 under 33 Act
                       No. 333-37243 on September 1, 1998 and is hereby
                       incorporated by reference.
         (2)        -- Sub-Advisory and Sub-Administration Contract, dated May
                       29, 1998, between A I M Advisors, Inc. and INVESCO Senior
                       Secured Management, Inc. was filed electronically as an
                       Exhibit to Registrant's Post-Effective Amendment No. 4
                       under 33 Act No. 333-37243 on September 1, 1998 and is
                       hereby incorporated by reference.
         (3)        -- Sub-Sub-Advisory and Sub-Sub-Administration Contract,
                       dated May 29, 1998, between INVESCO Senior Secured
                       Management, Inc. and INVESCO (NY), Inc. was filed
                       electronically as an Exhibit to Registrant's Post-
                       Effective Amendment No. 4 under 33 Act No. 333-37243 on
                       September 1, 1998 and is hereby incorporated by
                       reference.
         (4)        -- Administration Contract, dated May 29, 1998, between
                       Registrant and A I M Advisors, Inc. was filed
                       electronically as an Exhibit to Registrant's
                       Post-Effective Amendment No. 4 under 33 Act No. 333-37243
                       on September 1, 1998 and is hereby incorporated by
                       reference.
         (5)        -- Sub-Administration Contract, dated May 29, 1998, between
                       Registrant, A I M Advisors, Inc. and INVESCO (NY), Inc.
                       was filed electronically as an Exhibit to Registrant's
                       Post-Effective Amendment No. 4 under 33 Act No. 333-37243
                       on September 1, 1998 and is hereby incorporated by
                       reference.
      (h)(1)        -- Distribution Agreement, dated May 29, 1998, between
                       Registrant and A I M Distributors, Inc. was filed
                       electronically as an Exhibit to Registrant's
                       Post-Effective Amendment No. 4 under 33 Act No. 333-37243
                       on September 1, 1998 and is hereby incorporated by
                       reference.
         (2)        -- Form of Selected Dealer Agreement was filed
                       electronically as an Exhibit to Registrant's
                       Post-Effective Amendment No. 2 under 33 Act No. 333-37243
                       on May 27, 1998 and is hereby incorporated by reference.
         (3)        -- Form of Bank Agency Agreement was filed electronically as
                       an Exhibit to Registrant's Post-Effective Amendment No. 2
                       under 33 Act No. 333-37243 on May 27, 1998 and is hereby
                       incorporated by reference.
      (i)           -- Directors' or Officers' Bonus, Profit Sharing and Pension
                       Contracts -- None.
      (j)           -- Custodian Contract, dated April 30, 1997, between
                       Registrant and State Street Bank and Trust Company was
                       filed electronically as an Exhibit to Registrant's
                       Post-Effective Amendment No. 4 under 33 Act No. 333-37243
                       on September 1, 1998 and is hereby incorporated by
                       reference.
</TABLE>
    
 
                                       C-1
<PAGE>   52
   
<TABLE>
<C>                 <S>
      (k)(1)        -- Transfer Agency Contract, dated April 30, 1997, between
                       Registrant and GT Global Investor Services, Inc. was
                       filed electronically as an Exhibit to Registrant's
                       Post-Effective Amendment No. 4 under 33 Act No. 333-37243
                       on September 1, 1998 and is hereby incorporated by
                       reference.
         (2)        -- Fund Accounting and Pricing Agent Agreement, dated April
                       30, 1997, between Registrant, Floating Rate Portfolio and
                       Chancellor LGT Asset Management, Inc. was filed
                       electronically as an Exhibit to Registrant's
                       Post-Effective Amendment No. 4 under 33 Act No. 333-37243
                       on September 1, 1998 and is hereby incorporated by
                       reference.
      (l)           -- Consent of Kirkpatrick & Lockhart LLP (filed herewith).
      (m)           -- Consent of Non-Resident Director, Officer, Investment
                       Advisor or Expert -- None.
      (n)           -- Consent of PricewaterhouseCoopers LLP (filed herewith).
      (o)           -- Financial Statements -- None.
      (p)           -- Initial Capital Agreements -- None.
      (q)           -- Retirement Plans -- None.
      (r)           -- Financial Data Schedule -- (filed herewith).
</TABLE>
    
 
ITEM 25. MARKETING ARRANGEMENTS
 
  See the Distribution Agreement previously filed as Exhibit (h)(1) to this
Registration Statement No. 333-37243.
 
ITEM 26. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
  The following table sets forth the expenses to be incurred in connection with
the offering described in this Registration Statement:
 
   
<TABLE>
<S>                                                           <C>
Securities and Exchange Commission Fees.....................  $ 82,149
National Association of Securities Dealers, Inc. Fees.......    30,050
Printing and Engraving Expenses.............................    60,000
Legal Fees..................................................    30,000
Accounting Expenses.........................................     2,200
Blue Sky Filing Fees and Expenses...........................         0
Miscellaneous Expenses......................................         0
                                                              --------
          Total.............................................  $204,399
                                                              ========
</TABLE>
    
 
ITEM 27. PERSONS CONTROLLED BY OR UNDER COMMON CONTROL
 
  None.
 
ITEM 28. NUMBER OF HOLDERS OF SECURITIES
 
  State in substantially the tabular form indicated, as of a specified date
within 90 days prior to the date of filing, the number of record holders of each
class of securities of the Registrant.
 
   
<TABLE>
<CAPTION>
                                                              NUMBER OF RECORD
                                                              SHAREHOLDERS AS
                                                                     OF
                       TITLE OF CLASS                          APRIL 1, 1999
                       --------------                         ----------------
<S>                                                           <C>
Shares of Common Stock, par value $0.001 per share..........       9,322
</TABLE>
    
 
ITEM 29. INDEMNIFICATION
 
  Article Twelfth of the Fund's Articles of Incorporation, previously filed as
Exhibit 1 to Registration Statement No. 333-17425, and Article IX of the Fund's
Bylaws, previously filed as Exhibit 2 to Registration Statement No. 333-17425,
provide that the Fund shall indemnify its present and past directors, officers,
employees and agents, and persons who are serving or have served at the Fund's
request in similar capacities for other entities to the maximum extent permitted
by applicable law (including Maryland law and the 1940 Act). Section 2-418(b) of
the Maryland General Corporation Law ("Maryland Code") permits the Fund to
indemnify its directors unless it is established that the act or omission of the
director was material to the matter giving rise to the proceeding, and (a) the
act or omission was committed in bad faith or was the result of active and
deliberate dishonesty; or (b) the director actually received an improper
personal benefit in money, property or services; or (c) in the case of any
criminal proceeding, the director had reasonable cause to believe the act or
omission was unlawful. Indemnification may be made against judgments, penalties,
fines, settlements and reasonable expenses incurred by the director in
connection with a proceeding, in accordance with the Maryland Code. Pursuant to
Section 2-418(j)(1) and Section 2-418(j)(2) of the Maryland Code, the Fund is
permitted to indemnify its officers, employees and
 
                                       C-2
<PAGE>   53
 
agents to the same extent as its directors. The provisions set forth above apply
insofar as consistent with Section 17(h) of the 1940 Act, which prohibits
indemnification of any director or officer of the Fund against any liability to
the Fund or its shareholders to which such director or officer otherwise would
be subject by reason of willful misfeasance, bad faith, gross negligence or
reckless disregard of the duties involved in the conduct of his office.
 
  Insofar as indemnification for liability arising under the Securities Act of
1933 ("1933 Act") may be permitted to directors, officers and controlling
persons of the Fund, pursuant to the foregoing provisions, or otherwise, the
Fund has been advised that in the opinion of the SEC such indemnification is
against public policy as expressed in the 1933 Act and is, therefore,
unenforceable. In the event that a claim for a director, officer or controlling
person of the Fund in the successful defense of any action, suit or proceeding
or payment pursuant to any insurance policy is asserted against the Fund by such
director, officer or controlling person in connection with the securities being
registered, the Fund will, unless in the opinion of its counsel the matter has
been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the 1933 Act and will be governed by the final
adjudication of such issue.
 
ITEM 30. BUSINESS AND OTHER CONNECTIONS OF INVESTMENT ADVISER
 
  See the material under the heading "Management" and the heading "Directors and
Executive Officers" in the Prospectus filed as part of this Registration
Statement. Information as to the Directors and Officers of AIM, the Sub-advisor
and INVESCO (NY) is included in their Forms ADV (File Nos. 801-12313 and
801-10254, respectively), filed with the Commission, which information is
incorporated herein by reference.
 
ITEM 31. LOCATION OF ACCOUNTS AND RECORDS
 
  The accounts and records of the Fund will be maintained at the office of the
Fund's custodian at 1776 Heritage Drive, North Quincy, Massachusetts 02171,
except that the Fund's corporate records (its articles of incorporation, by-laws
and minutes of the meetings of its Board of Directors and shareholders) will be
maintained at the offices of AIM at 11 Greenway Plaza, Suite 100, Houston, TX
77046.
 
ITEM 32. MANAGEMENT SERVICES
 
  None.
 
ITEM 33. UNDERTAKINGS
 
  (1) Registrant undertakes to suspend the offering of its shares until it
amends its Prospectus if:
 
          (a) subsequent to the effective date of this Registration Statement,
     the net asset value per share declines more than 10% from its net asset
     value per share as of the effective date of the Registration Statement; or
 
          (b) the net asset value increases to an amount greater than its net
     proceeds as stated in the Prospectus.
 
  (2) Registrant hereby undertakes:
 
          (a) to file, during any period in which offers or sales are being
     made, a post-effective amendment to the registration statement: (i) to
     include any prospectus required by Section 10(a)(3) of the 1933 Act; (ii)
     to reflect in the prospectus any facts or events after the effective date
     of the registration statement (or the most recent post-effective amendment
     thereof) which, individually or in the aggregate, represent a fundamental
     change in the information set forth in the registration statement; and
     (iii) to include any material information with respect to the plan of
     distribution not previously disclosed in the registration statement or any
     material change to such information in the registration statement;
 
          (b) that, for the purposes of determining any liability under the 1933
     Act, each such post-effective amendment shall be deemed to be a new
     registration statement relating to the securities offered therein, and the
     offering of those securities at that time shall be deemed to be the initial
     bona fide offering thereof; and
 
          (c) to remove from registration by means of a post-effective amendment
     any of the securities being registered which remain unsold at the
     termination of the offering.
 
  (3) Registrant hereby undertakes that:
 
          (a) For the purpose of determining any liability under the Securities
     Act of 1933, the information omitted from the form of prospectus filed as
     part of this Registration Statement in reliance upon Rule 430A and
     contained in a form of prospectus filed by the Registrant under Rule 497(h)
     under the Securities Act of 1933 shall be deemed to be part of this
     Registration Statement as of the time it was declared effective; and
 
          (b) For the purpose of determining any liability under the Securities
     Act of 1933, each post-effective amendment that contains a form of
     prospectus shall be deemed to be a new registration statement relating to
     the securities offered therein, and the offering of such securities at that
     time shall be deemed to be the initial bona fide offering thereof.
 
                                       C-3
<PAGE>   54
 
                                   SIGNATURES
 
   
  Pursuant to the requirements of the Securities Act of 1933 and the Investment
Company Act of 1940, the Registrant has duly caused this Registration Statement
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Houston, Texas on this 14th day of April, 1999.
    
 
                                           GT GLOBAL FLOATING RATE FUND, INC.
                                           (d/b/a AIM FLOATING RATE FUND)
 
                                           By:     /s/ ROBERT H. GRAHAM
                                             -----------------------------------
                                                      Robert H. Graham
                                                          President
 
  Each of the undersigned directors and officers of GT Global Floating Rate
Fund, Inc. ("Fund") hereby severally constitutes and appoints Samuel D. Sirko
our true and lawful attorney, with full power to him to sign for each of us, and
in each of our names and in the capacities indicated below, any and all
amendments to the Registration Statement of the Fund, and all instruments
necessary or desirable in connection therewith, filed with the Securities and
Exchange Commission, hereby ratifying and confirming our signatures as they may
be signed by said attorney to any and all amendments to said Registration
Statement.
 
  Pursuant to the requirements of the Securities Act of 1933, this Registration
Statement has been signed below by the following persons in the capacities and
on the dates indicated:
 
   
<TABLE>
<CAPTION>
                   SIGNATURES                                        TITLE                          DATE
                   ----------                                        -----                          ----
<C>                                               <S>                                          <C>
 
              /s/ ROBERT H. GRAHAM                Chairman, Director and President              April 14, 1999
- ------------------------------------------------    (Principal Executive Officer)
               (Robert H. Graham)
 
             /s/ C. DEREK ANDERSON                Director                                      April 14, 1999
- ------------------------------------------------
              (C. Derek Anderson)
 
              /s/ FRANK S. BAYLEY                 Director                                      April 14, 1999
- ------------------------------------------------
               (Frank S. Bayley)
 
            /s/ ARTHUR C. PATTERSON               Director                                      April 14, 1999
- ------------------------------------------------
             (Arthur C. Patterson)
 
              /s/ RUTH H. QUIGLEY                 Director                                      April 14, 1999
- ------------------------------------------------
               (Ruth H. Quigley)
 
             /s/ KENNETH W. CHANCEY               Vice President and Principal                  April 14, 1999
- ------------------------------------------------    Accounting Officer
              (Kenneth W. Chancey)
</TABLE>
    
<PAGE>   55
 
                                   SIGNATURES
 
   
  Floating Rate Portfolio has duly caused this Registration Statement of GT
Global Floating Rate Fund, Inc. (d/b/a AIM Floating Rate Fund) to be signed on
its behalf by the undersigned, thereunto duly authorized, in the City of
Houston, Texas, on this 14th day of April, 1999.
    
 
                                           FLOATING RATE PORTFOLIO
 
                                           By:     /s/ ROBERT H. GRAHAM
                                             -----------------------------------
                                                      Robert H. Graham
                                                          President
 
  Each of the undersigned trustees and officers of Floating Rate Portfolio
hereby severally constitutes and appoints Samuel D. Sirko our true and lawful
attorney, with full power to him to sign for each of us, and in each of our
names and in the capacities indicated below, any and all amendments to the
Registration Statement of GT Global Floating Rate Fund, Inc. (d/b/a AIM Floating
Rate Fund), and all instruments necessary or desirable in connection therewith,
filed with the Securities and Exchange Commission, hereby ratifying and
confirming our signatures as they may be signed by said attorney to any and all
amendments to said Registration Statement.
 
  This Registration Statement of GT Global Floating Rate Fund, Inc. (d/b/a AIM
Floating Rate Fund) has been signed below by the following persons in the
capacities and on the dates indicated:
 
   
<TABLE>
<CAPTION>
                      SIGNATURE                                        TITLE                         DATE
                      ---------                                        -----                         ----
<C>                                                    <S>                                     <C>
 
                /s/ ROBERT H. GRAHAM                   Chairman, Trustee and President           April 14, 1999
- -----------------------------------------------------    (Principal Executive Officer)
                 (Robert H. Graham)
 
                /s/ C. DEREK ANDERSON                  Trustee                                   April 14, 1999
- -----------------------------------------------------
                 (C. Derek Anderson)
 
                 /s/ FRANK S. BAYLEY                   Trustee                                   April 14, 1999
- -----------------------------------------------------
                  (Frank S. Bayley)
 
               /s/ ARTHUR C. PATTERSON                 Trustee                                   April 14, 1999
- -----------------------------------------------------
                (Arthur C. Patterson)
 
                 /s/ RUTH H. QUIGLEY                   Trustee                                   April 14, 1999
- -----------------------------------------------------
                  (Ruth H. Quigley)
 
               /s/ KENNETH W. CHANCEY                  Vice President and Principal              April 14, 1999
- -----------------------------------------------------    Accounting Officer
                (Kenneth W. Chancey)
</TABLE>
    
<PAGE>   56
 
                             AIM FLOATING RATE FUND
 
                                 EXHIBIT INDEX
 
   
<TABLE>
<CAPTION>
  EXHIBIT
   NUMBER                        DOCUMENT DESCRIPTION
  -------                        --------------------
<S>          <C>
(b)          By-Laws, dated December 4, 1996, of the Registrant, as
             amended and restated on December 10, 1998 (filed herewith).
(l)          Consent of Kirkpatrick & Lockhart LLP (filed herewith)
(n)          Consent of PricewaterhouseCoopers LLP (filed herewith)
(r)          Financial Data Schedule (filed herewith).
</TABLE>
    

<PAGE>   1
                                                                     EXHIBIT (b)

                       GT GLOBAL FLOATING RATE FUND, INC.
                         (D/B/A AIM FLOATING RATE FUND)


                             A MARYLAND CORPORATION




                          AMENDED AND RESTATED BYLAWS



                            DATED: DECEMBER 4, 1996

                         AS AMENDED: DECEMBER 10, 1998


<PAGE>   2

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                                PAGE
<S>                                                                                                              <C>
ARTICLE I

NAME OF CORPORATION, LOCATION OF OFFICES AND SEAL.................................................................1
         Section 1.  Name.........................................................................................1
         Section 2.  Principal Offices............................................................................1
         Section 3.  Seal.........................................................................................1

ARTICLE II

STOCKHOLDERS......................................................................................................1
         Section 1.  Annual Meetings..............................................................................1
         Section 2.  Special Meetings.............................................................................2
         Section 3.  Notice of Meetings...........................................................................2
         Section 4.  Quorum and Adjournment of Meetings...........................................................2
         Section 5.  Voting and Inspectors........................................................................3
         Section 6.  Validity of Proxies..........................................................................3
         Section 7.  Stock Ledger and List of Stockholders........................................................4
         Section 8.  Action Without Meeting.......................................................................4

ARTICLE III

BOARD OF DIRECTORS................................................................................................4
         Section 1.  Powers.......................................................................................4
         Section 2.  Number and Term of Directors.................................................................4
         Section 3.  Election.....................................................................................5
         Section 4.  Vacancies and Newly Created Directorships....................................................5
         Section 5.  Removal......................................................................................5
         Section 6.  Chairman of the Board........................................................................6
         Section 7.  Annual and Regular Meetings..................................................................6
         Section 8.  Special Meetings.............................................................................6
         Section 9.  Waiver of Notice.............................................................................6
         Section 10.  Quorum and Voting...........................................................................7
         Section 11.  Action Without a Meeting....................................................................7
         Section 12.  Compensation of Directors...................................................................7

ARTICLE IV

COMMITTEES........................................................................................................7
         Section 1.  Organization.................................................................................7
         Section 2.  Executive Committee..........................................................................8
         Section 3.  Proceedings and Quorum.......................................................................8
         Section 4.  Other Committees.............................................................................8
</TABLE>


<PAGE>   3

<TABLE>
<S>                                                                                                              <C>
ARTICLE V

OFFICERS .........................................................................................................8
         Section 1.  General......................................................................................8
         Section 2.  Election, Tenure and Qualifications..........................................................8
         Section 3.  Vacancies and Newly Created Officers.........................................................9
         Section 4.  Removal and Resignation......................................................................9
         Section 5.  President....................................................................................9
         Section 6.  Vice President...............................................................................9
         Section 7.  Treasurer and Assistant Treasurers..........................................................10
         Section 8.  Secretary and Assistant Secretaries.........................................................10
         Section 9.  Subordinate Officers........................................................................10
         Section 10.  Remuneration...............................................................................11
         Section 11.  Surety Bond................................................................................11

ARTICLE VI

CAPITAL STOCK....................................................................................................11
         Section 1.  Certificates of Stock.......................................................................11
         Section 2.  Transfer of Shares..........................................................................12
         Section 3.  Stock Ledgers...............................................................................12
         Section 4.  Transfer Agents and Registrars..............................................................12
         Section 5.  Fixing of Record Date.......................................................................12
         Section 6.  Lost, Stolen or Destroyed Certificates......................................................13

ARTICLE VII

FISCAL YEAR AND ACCOUNTANT.......................................................................................13
         Section 1.  Fiscal Year.................................................................................13
         Section 2.  Accountant..................................................................................13

ARTICLE VIII

CUSTODY OF SECURITIES............................................................................................14
         Section 1.  Employment of a Custodian...................................................................14
         Section 2.  Termination of Custodian Agreement..........................................................14
         Section 3.  Other Arrangements..........................................................................14

ARTICLE IX

INDEMNIFICATION AND INSURANCE....................................................................................15
         Section 1.  Indemnification of Officers, Directors, Employees and Agents................................15
         Section 2.  Insurance of Officers, Directors, Employees and Agents......................................15
         Section 3.  Amendment...................................................................................15
</TABLE>


                                      ii
<PAGE>   4

<TABLE>
<S>                                                                                                              <C>
ARTICLE X

AMENDMENTS.......................................................................................................15
         Section 1.  General.....................................................................................15
         Section 2.  By Stockholders Only........................................................................16
</TABLE>



                                      iii

<PAGE>   5
                          AMENDED AND RESTATED BYLAWS

                                       OF

                       GT GLOBAL FLOATING RATE FUND, INC.
                         (D/B/A AIM FLOATING RATE FUND)

                             A MARYLAND CORPORATION


                                   ARTICLE I
                        NAME OF CORPORATION, LOCATION OF
                                OFFICES AND SEAL

     Section 1. Name.

     The name of the Corporation is GT Global Floating Rate Fund, Inc.

     Section 2. Principal Offices.

     The principal office of the Corporation in the State of Maryland shall be
located in the City of Baltimore. The Corporation may, in addition, establish
and maintain such other offices and places of business as the Board of
Directors may, from time to time, determine.

     Section 3. Seal.

     The corporate seal of the Corporation shall be circular in form and shall
bear the name of the Corporation, the year of its incorporation, and the word
"Maryland." The form of the seal shall be subject to alteration by the Board of
Directors and the seal may be used by causing it or a facsimile to be impressed
or affixed or printed or otherwise reproduced. Any officer or director of the
Corporation shall have authority to affix the corporate seal of the Corporation
to any document requiring the same.

                                   ARTICLE II
                                  STOCKHOLDERS

     Section 1. Annual Meetings.

     An annual meeting of stockholders shall be held as required and for the
purposes prescribed by the Investment Company Act of 1940, as amended ("1940
Act"), and the laws of the State of Maryland and for the election of directors
and the transaction of such other business as may properly come before the
meeting, except that no annual meeting is required to be held in any year in
which the election of directors is not required to be acted upon under the 1940
Act. Except for the first fiscal year of the Corporation, the meeting shall be
held annually at a time set by the Board of Directors at the Corporation's
principal offices or at such other place within the United States as the Board
of Directors shall select.


<PAGE>   6

     Section 2. Special Meetings.

     Special meetings of stockholders may be called at any time by the Chairman
of the Board, President, any Vice President or by a majority of the Board of
Directors, and shall be held at such time and place as may be stated in the
notice of the meeting.

     Special meetings of the stockholders may be called by the Secretary upon
the written request of the holders of shares entitled to vote not less than 25
percent of all the votes entitled to be cast at such meeting, provided that (1)
such request shall state the purposes of such meeting and the matters proposed
to be acted on, and (2) the stockholders requesting such meeting shall have
paid to the Corporation the reasonably estimated cost of preparing and mailing
the notice thereof, which the Secretary shall determine and specify to such
stockholders. No special meeting shall be called upon the request of
stockholders to consider any matter which is substantially the same as a matter
voted upon at any special meeting of the stockholders held during the preceding
twelve months, unless requested by the holders of a majority of all shares
entitled to be voted at such meeting.

     Section 3. Notice of Meetings.

     The Secretary shall cause notice of the place, date and hour, and, in the
case of a special meeting, the purpose or purposes for which the meeting is
called, to be mailed, postage prepaid, not less than ten nor more than ninety
days before the date of the meeting, to each stockholder entitled to vote at
such meeting at his or her address as it appears on the records of the
Corporation at the time of such mailing. Notice shall be deemed to be given
when deposited in the United States mail addressed to the stockholders as
aforesaid. Notice of any stockholders' meeting need not be given to any
stockholder who shall sign a written waiver of such notice whether before or
after the time of such meeting, or to any stockholder who is present at such
meeting in person or by proxy. Notice of adjournment of a stockholders' meeting
to another time or place need not be given if such time and place are announced
at the meeting. Irregularities in the notice of any meeting to, or the
nonreceipt of any such notice by, any of the stockholders shall not invalidate
any action otherwise properly taken by or at any such meeting.

     Section 4. Quorum and Adjournment of Meetings.

     The presence at any stockholders' meeting, in person or by proxy, of
stockholders entitled to cast a majority of the votes shall be necessary and
sufficient to constitute a quorum for the transaction of business. In the
absence of a quorum, the holders of a majority of shares entitled to vote at the
meeting and present in person or by proxy, or, if no stockholder entitled to
vote is present in person or by proxy, any officer present entitled to preside
or act as secretary of such meeting may adjourn the meeting without determining
the date of the new meeting or from time to time without further notice to a
date not more than 120 days after the original record date. Any business that
might have been transacted at the meeting originally called may be transacted at
any such adjourned meeting at which a quorum is present.

                                       2
<PAGE>   7

     Section 5. Voting and Inspectors.

     Except as otherwise provided in the Articles of Incorporation or by
applicable law, at each stockholders' meeting, each stockholder shall be
entitled to one vote for each share of stock of the Corporation validly issued
and outstanding and registered in his or her name on the books of the
Corporation on the record date fixed in accordance with Section 5 of Article VI
hereof, either in person or by proxy, except that no shares held by the
Corporation shall be entitled to a vote. If no record date has been fixed, the
record date for the determination of stockholders entitled to notice of or to
vote at a meeting of stockholders shall be the later of the close of business
on the day on which notice of the meeting is mailed or the thirtieth day before
the meeting, or, if notice is waived by all stockholders, at the close of
business on the tenth day next preceding the day on which the meeting is held.

     Except as otherwise provided in the Articles of Incorporation or these
Amended and Restated Bylaws or as required by provisions of the 1940 Act, all
matters shall be decided by a vote of the majority of the votes validly cast.
The vote upon any question shall be by ballot whenever requested by any person
entitled to vote, but, unless such a request is made, voting may be conducted
in any way approved by the meeting.

     At any meeting at which there is an election of Directors, the chairman of
the meeting may, and upon the request of the holders of ten percent of the
shares entitled to vote at such election shall, appoint two inspectors of
election who shall first subscribe an oath or affirmation to execute faithfully
the duties of inspectors at such election with strict impartiality and
according to the best of their ability, and shall, after the election, make a
certificate of the result of the vote taken. No candidate for the office of
Director shall be appointed as an inspector.

     Section 6. Validity of Proxies.

     At all meetings of the stockholders, every stockholder of record entitled
to vote thereat shall be entitled to vote either in person or by proxy, which
term shall include proxies provided through written, electronic, telephonic,
computerized, facsimile, telecommunications, telex or oral communication or by
any other form of communication, each pursuant to such voting procedures and
through such systems as are authorized by the Directors or one or more
executive officers of the Corporation. Unless a proxy provides otherwise, it
shall not be valid more than eleven months after its date. All proxies shall be
delivered to the Secretary of the Corporation or to the person acting as
Secretary of the meeting before being voted, who shall decide all questions
concerning qualification of voters, the validity of proxies, and the acceptance
or rejection of votes. If inspectors of election have been appointed by the
chairman of the meeting, such inspectors shall decide all such questions. A
proxy with respect to stock held in the name of two or more persons shall be
valid if executed by one of them unless at or prior to exercise of such proxy
the Corporation receives a specific written notice to the contrary from any one
of them. A proxy 

                                       3
<PAGE>   8

purporting to be executed by or on behalf of a stockholder shall be deemed
valid unless challenged at or prior to its exercise.

     Section 7. Stock Ledger and List of Stockholders.

     It shall be the duty of the Secretary or Assistant Secretary of the
Corporation to cause an original or duplicate stock ledger to be maintained at
the office of the Corporation's transfer agent. Such stock ledger may be in
written form or any other form capable of being converted into written form
within a reasonable time for visual inspection. Any one or more persons, each
of whom has been a stockholder of record of the Corporation for more than six
months next preceding such request, who owns in the aggregate 5% or more of the
outstanding capital stock of the Corporation, may submit (unless the
Corporation at the time of the request maintains a duplicate stock ledger at
its principal office in Maryland) a written request to any officer of the
Corporation or its resident agent in Maryland for a list of the stockholders of
the Corporation. Within 20 days after such a request, there shall be prepared
and filed at the Corporation's principal office in Maryland a list containing
the names and addresses of all stockholders of the Corporation and the number
of shares of each class held by each stockholder, certified as correct by an
officer of the Corporation, by its stock transfer agent, or by its registrar.

     Section 8. Action Without Meeting.

     Any action required or permitted to be taken by stockholders at a meeting
of stockholders may be taken without a meeting if (1) all stockholders entitled
to vote on the matter consent to the action in writing, (2) all stockholders
entitled to notice of the meeting but not entitled to vote at it sign a written
waiver of any right to dissent, and (3) the consents and waivers are filed with
the records of the meetings of stockholders. Such consent shall be treated for
all purposes as a vote at the meeting.

                                  ARTICLE III
                               BOARD OF DIRECTORS

     Section 1. Powers.

     Except as otherwise provided by operation of law, by the Articles of
Incorporation, or by these Amended and Restated Bylaws, the business and
affairs of the Corporation shall be managed under the direction of, and all the
powers of the Corporation shall be exercised by or under authority of, its
Board of Directors.

     Section 2. Number and Term of Directors.

     Except for the initial Board of Directors, the Board of Directors shall
consist of not fewer than three nor more than fifteen Directors, as specified
by a resolution of a majority of the entire 


                                       4
<PAGE>   9

Board of Directors and at least one member of the Board of Directors shall be a
person who is not an "interested person" of the Corporation, as that term is
defined in the 1940 Act. All other Directors may be interested persons of the
Corporation if the requirements of Section 10(d) of the 1940 Act are met by the
Corporation and its investment adviser. All acts done at any meeting of the
Directors or by any person acting as a Director, so long as his or her
successor shall not have been duly elected or appointed, shall, notwithstanding
that it be afterwards discovered that there was some defect in the election of
the Directors or of such person acting as a Director or that they or any of
them were disqualified, be as valid as if the Directors or such other person,
as the case may be, had been duly elected and were or was qualified to be
Directors or a Director of the Corporation. Each Director shall hold office
until his or her successor is elected and qualified or until his or her earlier
death, resignation or removal.

     Section 3. Election.

     At the first annual meeting of stockholders, Directors shall be elected by
vote of the holders of a majority of the shares present in person or by proxy
and entitled to vote thereon. Thereafter, except as otherwise provided in these
Amended and Restated Bylaws, the Directors shall be elected by the stockholders
at a meeting held on a date fixed by the Board of Directors. A plurality of all
the votes cast at a meeting at which a quorum is present is sufficient to elect
a Director.

     Section 4. Vacancies and Newly Created Directorships.

     If any vacancies shall occur in the Board of Directors by reason of death,
resignation, removal or otherwise, or if the authorized number of Directors
shall be increased, the Directors then in office shall continue to act, and
such vacancies (if not previously filled by the stockholders) may be filled by
a majority of the Directors then in office, although less than a quorum, except
that a newly created Directorship may be filled only by a majority vote of the
entire Board of Directors, provided, however, that if the stockholders of any
class of the Corporation's capital stock are entitled separately to elect one
or more Directors, a majority of the remaining Directors, elected by that class
(if any) may fill any vacancy among the number of Directors elected by that
class; provided further, however, that, at any time that there are stockholders
of the Corporation, immediately after filling such vacancy, at least two-thirds
(2/3) of the Directors then holding office shall have been elected to such
office by the stockholders of the Corporation. In the event that at any time,
other than the time preceding the first annual stockholders' meeting, less than
a majority of the Directors of the Corporation holding office at that time were
elected by the stockholders, a meeting of the stockholders shall be held
promptly and in any event within sixty days for the purpose of electing
Directors to fill any existing vacancies in the Board of Directors, unless the
Securities and Exchange Commission shall by order extend such period.

     Section 5. Removal.

     At any stockholders' meeting duly called, provided a quorum is present,
the stockholders may remove any Director from office (either with or without
cause) and may elect a successor or 


                                       5
<PAGE>   10

successors to fill any resulting vacancies for the unexpired terms of the
removed Director or Directors. A majority of all votes represented at a meeting
is sufficient to remove a Director for cause.

     Section 6. Chairman of the Board.

     The Board of Directors may, but shall not be required to, elect a Chairman
of the Board. Any Chairman of the Board shall be elected from among the
Directors of the Corporation and may hold such office only so long as he or she
continues to be a Director. The Chairman, if any, shall preside at all
stockholders' meetings and at all meetings of the Board of Directors, and may
be ex officio a member of all committees of the Board of Directors. The
Chairman, if any, shall have such powers and perform such duties as may be
assigned from time to time by the Board of Directors.

     Section 7. Annual and Regular Meetings.

     The annual meeting of the Board of Directors for choosing officers and
transacting other proper business shall be held at such other time and place as
the Board may determine. The Board of Directors from time to time may provide
by resolution for the holding of regular meetings and fix their time and place
within or outside the State of Maryland. Except as otherwise provided in the
1940 Act, notice of such annual and regular meetings need not be given,
provided that notice of any change in the time or place of such meetings shall
be sent promptly to each Director not present at the meeting at which such
change was made, in the manner provided for notice of special meetings. Except
as otherwise provided under the 1940 Act, members of the Board of Directors or
any committee designated thereby may participate in a meeting of such Board or
committee by means of a conference telephone or similar communications
equipment that allows all persons participating in the meeting to hear each
other at the same time.

     Section 8. Special Meetings.

     Special meetings of the Board of Directors shall be held whenever called
by the Chairman of the Board, the President (or, in the absence or disability
of the President, by any Vice President), the Treasurer or by two or more
Directors, at the time and place (within or without the State of Maryland)
specified in the respective notice or waivers of notice of such meetings.
Notice of special meetings, stating the time and place, shall be (1) mailed to
each Director at his or her residence or regular place of business at least
three days before the day on which a special meeting is to be held or (2)
delivered to him or her personally or transmitted to him or her by telegraph,
telefax, telex, cable or wireless at least one day before the meeting.

     Section 9. Waiver of Notice.

     No notice of any meeting need be given to any Director who is present at
the meeting or who waives notice of such meeting in writing (which waiver shall
be filed with the records of such 


                                       6
<PAGE>   11

meeting), either before or after the time of the meeting.

     Section 10. Quorum and Voting.

     At all meetings of the Board of Directors, the presence of one half or
more of the number of Directors then in office shall constitute a quorum for
the transaction of business, provided that there shall be present at least two
Directors. In the absence of a quorum, a majority of the Directors present may
adjourn the meeting, from time to time, until a quorum shall be present. The
action of a majority of the Directors present at a meeting at which a quorum is
present shall be the action of the Board of Directors, unless concurrence of a
greater proportion is required for such action by law, by the Articles of
Incorporation or by these Amended and Restated Bylaws.

     Section 11. Action Without a Meeting.

     Except as otherwise provided under the 1940 Act, any action required or
permitted to be taken at any meeting of the Board of Directors or of any
committee thereof may be taken without a meeting if a written consent to such
action is signed by all members of the Board or of such committee, as the case
may be, and such written consent is filed with the minutes of proceedings of
the Board or committee.

     Section 12. Compensation of Directors.

     Directors shall be entitled to receive such compensation from the
Corporation for their services as may from time to time be determined by
resolution of the Board of Directors.

                                   ARTICLE IV
                                   COMMITTEES

     Section 1. Organization.

     By resolution adopted by the Board of Directors, the Board may designate
one or more committees of the Board of Directors, including an Executive
Committee. The Chairmen of such committees shall be elected by the Board of
Directors. Each committee must be comprised of two or more members, each of
whom must be a Director and shall hold committee membership at the pleasure of
the Board. The Board of Directors shall have the power at any time to change
the members of such committees and to fill vacancies in the committees. The
Board may delegate to these committees any of its powers, except the power to
declare a dividend or distribution on stock, authorize the issuance of stock,
recommend to stockholders any action requiring stockholders' approval, amend
these Amended and Restated Bylaws, approve any merger or share exchange which
does not require stockholder approval, approve or terminate any contract with
an

                                       7
<PAGE>   12

"investment adviser" or "principal underwriter," as those terms are defined in
the 1940 Act, or to take any other action required by the 1940 Act to be taken
by the Board of Directors.

     Section 2. Executive Committee.

     Unless otherwise provided by resolution of the Board of Directors, when
the Board of Directors is not in session, the Executive Committee, if one is
designated by the Board, shall have and may exercise all powers of the Board of
Directors in the management of the business and affairs of the Corporation that
may lawfully be exercised by an Executive Committee. The President shall
automatically be a member of the Executive Committee.

     Section 3. Proceedings and Quorum.

     In the absence of an appropriate resolution of the Board of Directors,
each committee may adopt such rules and regulations governing its proceedings,
quorum and manner of acting as it shall deem proper and desirable. In the event
any member of any committee is absent from any meeting, the members thereof
present at the meeting, whether or not they constitute a quorum, may appoint a
member of the Board of Directors to act in the place of such absent member.

     Section 4. Other Committees.

     The Board of Directors may appoint other committees, each consisting of
one or more persons, who need not be Directors. Each such committee shall have
such powers and perform such duties as may be assigned to it from time to time
by the Board of Directors, but shall not exercise any power which may lawfully
be exercised only by the Board of Directors or a committee thereof.

                                   ARTICLE V
                                    OFFICERS

     Section 1. General.

     The officers of the Corporation shall be a President, a Secretary, and a
Treasurer, and may include one or more Vice Presidents, Assistant Secretaries
or Assistant Treasurers, and such other officers as may be appointed in
accordance with the provisions of Section 9 of this Article.

     Section 2. Election, Tenure and Qualifications.

     The officers of the Corporation, except those appointed as provided in
Section 9 of this Article V, shall be elected by the Board of Directors at its
first meeting or such subsequent meetings as shall be held prior to its first
annual meeting, and thereafter annually at its annual


                                       8
<PAGE>   13

meeting. If any officers are not elected at any annual meeting, such officers
may be elected at any subsequent regular or special meeting of the Board.
Except as otherwise provided in this Article V, each officer elected by the
Board of Directors shall hold office until the next annual meeting of the Board
of Directors and until his or her successor shall have been elected and
qualified. Any person may hold one or more offices of the Corporation except
that no one person may serve concurrently as both President and Vice President.
A person who holds more than one office in the Corporation may not act in more
than one capacity to execute, acknowledge, or verify an instrument required by
law to be executed, acknowledged, or verified by more than one officer. No
officer need be a Director.

     Section 3. Vacancies and Newly Created Officers.

     If any vacancy shall occur in any office by reason of death, resignation,
removal, disqualification or other cause, or if any new office shall be
created, such vacancies or newly created offices may be filled by the Board of
Directors at any regular or special meeting or, in the case of any office
created pursuant to Section 9 hereof, by any officer upon whom such power shall
have been conferred by the Board of Directors.

     Section 4. Removal and Resignation.

     Any officer may be removed from office by the vote of a majority of the
members of the Board of Directors given at a regular meeting or any special
meeting called for such purpose, if the Board has determined the best interests
of the Corporation will be served by removal of that officer. Any officer may
resign from office at any time by delivering a written resignation to the Board
of Directors, the President, the Secretary, or any Assistant Secretary. Unless
otherwise specified therein, such resignation shall take effect upon delivery.

     Section 5. President.

     The President shall be the chief executive officer of the Corporation and,
in the absence of the Chairman of the Board or if no Chairman of the Board has
been elected, shall preside at all stockholders' meetings and at all meetings
of the Board of Directors and shall in general exercise the powers and perform
the duties of the Chairman of the Board. Subject to the supervision of the
Board of Directors, the President shall have general charge of the business,
affairs and property of the Corporation and general supervision over its
officers, employees and agents. Except as the Board of Directors may otherwise
order, the President may sign in the name and on behalf of the Corporation all
deeds, bonds, contracts, or agreements. The President shall exercise such other
powers and perform such other duties as from time to time may be assigned by
the Board of Directors.

     Section 6. Vice President.

     The Board of Directors may from time to time elect one or more Vice
Presidents who shall


                                       9
<PAGE>   14

have such powers and perform such duties as from time to time may be assigned
to them by the Board of Directors or the President. At the request of, or in
the absence or in the event of the disability of, the President, the Vice
President (or, if there are two or more Vice Presidents, then the senior of the
Vice Presidents present and able to act) may perform all the duties of the
President and, when so acting, shall have all the powers of and be subject to
all the restrictions upon the President.

     Section 7. Treasurer and Assistant Treasurers.

     The Treasurer shall be the principal financial and accounting officer of
the Corporation and shall have general charge of the finances and books of
account of the Corporation. Except as otherwise provided by the Board of
Directors, the Treasurer shall have general supervision of the funds and
property of the Corporation and of the performance by the Custodian of its
duties with respect thereto. The Treasurer shall render to the Board of
Directors, whenever directed by the Board, an account of the financial
condition of the Corporation and of all transactions as Treasurer; and as soon
as possible after the close of each financial year, the Treasurer shall make
and submit to the Board of Directors a like report for such financial year. The
Treasurer shall perform all acts incidental to the office of Treasurer, subject
to the control of the Board of Directors.

     Any Assistant Treasurer may perform such duties of the Treasurer as the
Treasurer or the Board of Directors may assign, and, in the absence of the
Treasurer, may perform all the duties of the Treasurer.

     Section 8. Secretary and Assistant Secretaries.

     The Secretary shall attend to the giving and serving of all notices of the
Corporation and shall record all proceedings of the meetings of the
stockholders and Directors in books to be kept for that purpose. The Secretary
shall keep in safe custody the seal of the Corporation, and shall have
responsibility for the records of the Corporation, including the stock books
and such other books and papers as the Board of Directors may direct and such
books, reports, certificates and other documents required by law to be kept,
all of which shall at all reasonable times be open to inspection by any
Director. The Secretary shall perform such other duties which appertain to this
office or as may be required by the Board of Directors.

     Any Assistant Secretary may perform such duties of the Secretary as the
Secretary or the Board of Directors may assign, and, in the absence of the
Secretary, may perform all the duties of the Secretary.

     Section 9. Subordinate Officers.

     The Board of Directors from time to time may appoint such other officers
and agents as it may deem advisable, each of whom shall have such title, hold
office for such period, have such authority and perform such duties as the
Board of Directors may determine. The Board of 


                                      10
<PAGE>   15

Directors from time to time may delegate to one or more officers or agents the
power to appoint any such subordinate officers or agents and to prescribe their
respective rights, terms of office, authorities and duties. Any officer or
agent appointed in accordance with the provisions of this Section 9 may be
removed, either with or without cause, by any officer upon whom such power of
removal shall have been conferred by the Board of Directors.

     Section 10. Remuneration.

     The salaries or other compensation of the officers of the Corporation
shall be fixed from time to time by resolution of the Board of Directors in the
manner provided by Section 10 of Article III, except that the Board of
Directors may by resolution delegate to any person or group of persons the
power to fix the salaries or other compensation of any subordinate officers or
agents appointed in accordance with the provisions of Section 9 of this Article
V.

     Section 11. Surety Bond.

     The Board of Directors may require any officer or agent of the Corporation
to execute a bond (including, without limitation, any bond required by the 1940
Act and the rules and regulations of the Securities and Exchange Commission
promulgated thereunder) to the Corporation in such sum and with such surety or
sureties as the Board of Directors may determine, conditioned upon the faithful
performance of his or her duties to the Corporation, including responsibility
for negligence and for the accounting of any of the Corporation's property,
funds or securities that may come into his or her hands.

                                   ARTICLE VI
                                 CAPITAL STOCK

     Section 1. Certificates of Stock.

     The interest of each stockholder of the Corporation shall be evidenced by
certificates for shares of stock in such form as the Board of Directors may
from time to time authorize, provided, however, the Board of Directors may, in
its discretion, authorize the issuance of non-certificated shares. No
certificate shall be valid unless it is signed by the President or a Vice
President and countersigned by the Secretary or an Assistant Secretary or the
Treasurer or an Assistant Treasurer of the Corporation and sealed with the seal
of the Corporation, or bears the facsimile signatures of such officers and a
facsimile of such seal. In case any officer who shall have signed any such
certificate, or whose facsimile signature has been placed thereon, shall cease
to be such an officer (because of death, resignation or otherwise) before such
certificate is issued, such certificate may be issued and delivered by the
Corporation with the same effect as if he or she were such officer at the date
of issue.

                                      11
<PAGE>   16
     In the event the Board of Directors authorizes the issuance of
non-certificated shares of stock, the Board of Directors may, in its discretion
and at any time, discontinue the issuance of share certificates and may, by
written notice to the registered owners of each certificated share, require the
surrender of share certificates to the Corporation for cancellation. Such
surrender and cancellation shall not affect the ownership of shares of the
Corporation.

     Section 2. Transfer of Shares.

     Shares of the Corporation shall be transferable on the books of the
Corporation by the holder of record thereof in person or by his or her duly
authorized attorney or legal representative (i) upon surrender and cancellation
of a certificate or certificates for the same number of shares of the same
class, duly endorsed or accompanied by proper instruments of assignment and
transfer, with such proof of the authenticity of the signature as the
Corporation or its agents may reasonably require, or (ii) as otherwise
prescribed by the Board of Directors. The shares of stock of the Corporation
may be freely transferred, and the Board of Directors may, from time to time,
adopt rules and regulations with reference to the method of transfer of the
shares of stock of the Corporation. The Corporation shall be entitled to treat
the holder of record of any share of stock as the absolute owner thereof for
all purposes, and accordingly shall not be bound to recognize any legal,
equitable or other claim or interest in such share on the part of any other
person, whether or not it shall have express or other notice thereof, except as
otherwise expressly provided by law or the statutes of the State of Maryland.

     Section 3. Stock Ledgers.

     The stock ledgers of the Corporation, containing the names and addresses
of the stockholders and the number of shares held by them respectively, shall
be kept at the principal offices of the Corporation or, if the Corporation
employs a transfer agent, at the offices of the transfer agent of the
Corporation.

     Section 4. Transfer Agents and Registrars.

     The Board of Directors may from time to time appoint or remove transfer
agents and registrars of transfers for shares of stock of the Corporation, and
it may appoint the same person as both transfer agent and registrar. Upon any
such appointment being made, all certificates representing shares of capital
stock thereafter issued shall be countersigned by one of such transfer agents
or by one of such registrars of transfers or by both and shall not be valid
unless so countersigned. If the same person shall be both transfer agent and
registrar, only one countersignature by such person shall be required.

     Section 5. Fixing of Record Date.

     The Board of Directors may fix in advance a date as a record date for the
determination of the stockholders entitled to notice of or to vote at any
stockholders' meeting or any adjournment

                                      12
<PAGE>   17

thereof, or to express consent to corporate action in writing without a
meeting, or to receive payment of any dividend or other distribution or
allotment of any rights, or to exercise any rights with respect to any change,
conversion or exchange of stock, or for the purpose of any other lawful action,
provided that (1) such record date shall be within ninety days prior to the
date on which the particular action requiring such determination will be taken;
(2) the transfer books shall not be closed for a period longer than twenty
days; and (3) in the case of a meeting of stockholders, the record date shall
be at least ten days before the date of the meeting.

     Section 6. Lost, Stolen or Destroyed Certificates.

     Before issuing a new certificate for stock of the Corporation alleged to
have been lost, stolen or destroyed, the Board of Directors or any officer
authorized by the Board may, in its discretion, require the owner of the lost,
stolen or destroyed certificate (or his legal representative) to give the
Corporation a bond or other indemnity, in such form and in such amount as the
Board or any such officer may direct and with such surety or sureties as may be
satisfactory to the Board or any such officer, sufficient to indemnify the
Corporation against any claim that may be made against it on account of the
alleged loss, theft or destruction of any such certificate or the issuance of
such new certificate.

                                  ARTICLE VII
                           FISCAL YEAR AND ACCOUNTANT

     Section 1. Fiscal Year.

     The fiscal year of the Corporation shall be twelve calendar months ending
on December 31, except as otherwise established by the Board of Directors.

     Section 2. Accountant.

     (a) The Corporation shall employ an independent public accountant or a
firm of independent public accountants as its Accountant to examine the
accounts of the Corporation and to sign and certify financial statements filed
by the Corporation. The Accountant's certificates and reports shall be
addressed both to the Board of Directors and to the stockholders. The
employment of the Accountant shall be conditioned upon the right of the
Corporation to terminate the employment forthwith without any penalty by vote
of a majority of the outstanding voting securities at any stockholders' meeting
called for that purpose.

     (b) A majority of the members of the Board of Directors who are not
"interested persons" (as defined in the 1940 Act) of the Corporation shall
select the Accountant at any meeting held within thirty days before or after
the beginning of the fiscal year of the Corporation or before the annual
stockholders' meeting in that year. The selection shall be submitted for
ratification or 


                                      13
<PAGE>   18

rejection at the next succeeding annual stockholders' meeting. If the selection
is rejected at that meeting, the Accountant shall be selected by majority vote
of the Corporation's outstanding voting securities, either at the meeting at
which the rejection occurred or at a subsequent meeting of stockholders called
for the purpose of selecting an Accountant.

     (c) Any vacancy occurring between annual meetings due to the resignation
of the Accountant may be filled by the vote of a majority of the members of the
Board of Directors who are not interested persons.

                                  ARTICLE VIII
                             CUSTODY OF SECURITIES

     Section 1. Employment of a Custodian.

     The Corporation shall place and at all times maintain in the custody of a
Custodian (including any sub-custodian for the Custodian) all funds, securities
and similar investments owned by the Corporation. The Custodian (and any
sub-custodian) shall be a bank or trust company of good standing that satisfies
all applicable standards, financial or otherwise, pursuant to the 1940 Act, or
such other financial institution as shall be permitted by rule or order of the
Securities and Exchange Commission. The Custodian shall be appointed from time
to time by the Board of Directors, which shall fix its remuneration.

     Section 2. Termination of Custodian Agreement.

     Upon termination of the agreement for services with the Custodian or
inability of the Custodian to continue to serve, the Board of Directors shall
promptly appoint a successor Custodian, but in the event that no successor
Custodian can be found who has the required qualifications and is willing to
serve, the Board of Directors shall call as promptly as possible a special
meeting of the stockholders to determine whether the Corporation shall function
without a Custodian or shall be liquidated. If so directed by resolution of the
Board of Directors or by vote of the holders of a majority of the outstanding
shares of stock of the Corporation, the Custodian shall deliver and pay over
all property of the Corporation held by it as specified in such vote.

     Section 3. Other Arrangements.

     The Corporation may make such other arrangements for the custody of its
assets (including deposit arrangements) as may be required by any applicable
law, rule or regulation.


                                      14
<PAGE>   19

                                   ARTICLE IX
                         INDEMNIFICATION AND INSURANCE


     Section 1. Indemnification of Officers, Directors, Employees and Agents.

     The Corporation shall indemnify its present and past directors, officers,
employees and agents, and any persons who are serving or have served at the
request of the Corporation as a director, officer, employee or agent of another
corporation, partnership, joint venture, trust, or enterprise, to the full
extent provided and allowed by Section 2-418 of the Annotated Corporations and
Associations Code of Maryland concerning corporations, as amended from time to
time or any other applicable provisions of law. Notwithstanding anything herein
to the contrary, no director, officer, investment adviser or principal
underwriter of the Corporation shall be indemnified in violation of Sections
17(h) and (i) of the 1940 Act. Expenses incurred by any such person in
defending any proceeding to which he is a party by reason of service in the
above-referenced capacities shall be paid in advance or reimbursed by the
Corporation to the full extent permitted by law, including Sections 17(h) and
(i) of the 1940 Act.

     Section 2. Insurance of Officers, Directors, Employees and Agents.

     The Corporation may purchase and maintain insurance on behalf of any
person who is or was a director, officer, employee or agent of the Corporation,
or is or was serving at the request of the Corporation as a director, officer,
employee or agent of another corporation, partnership, joint venture, trust or
other enterprise, against any liability asserted against that person and
incurred by that person in or arising out of his or her position, whether or
not the Corporation would have the power to indemnify him or her against such
liability.

     Section 3. Amendment.

     No amendment, alteration or repeal of this Article or the adoption,
alteration or amendment of any other provision of the Articles of Incorporation
or Amended and Restated Bylaws inconsistent with this Article shall adversely
affect any right or protection of any person under this Article with respect to
any act or failure to act which occurred prior to such amendment, alteration,
repeal or adoption.

                                   ARTICLE X
                                   AMENDMENTS

     Section 1. General.

     Except as provided in Section 2 of this Article X, all Bylaws of the
Corporation, whether adopted by the Board of Directors or the stockholders,
shall be subject to amendment, alteration or 

                                      15
<PAGE>   20

repeal, and new Bylaws may be made by the affirmative vote of either: (1) the
holders of record of a majority of the outstanding shares of stock of the
Corporation entitled to vote, at any annual or special meeting, the notice or
waiver of notice of which shall have specified or summarized the proposed
amendment, alteration, repeal or new Bylaw; or (2) a majority of the Directors,
at any regular or special meeting the notice or waiver of notice of which shall
have specified or summarized the proposed amendment, alteration, repeal or new
Bylaw.

     Section 2. By Stockholders Only.

     No amendment of any section of these Amended and Restated Bylaws shall be
made except by the stockholders of the Corporation if the Amended and Restated
Bylaws provide that such section may not be amended, altered or repealed except
by the stockholders. From and after the issue of any shares of the capital
stock of the Corporation no amendment, alteration or repeal of Article X shall
be made except by the affirmative vote of the holders of either: (a) more than
two-thirds of the Corporation's outstanding shares present at a meeting at
which the holders of more than fifty percent of the outstanding shares are
present in person or by proxy, or (b) more than fifty percent of the
Corporation's outstanding shares.



                                      16

<PAGE>   1
                                                                     EXHIBIT (l)

                           KIRKPATRICK & LOCKHART LLP

                         1800 MASSACHUSETTS AVENUE, N.W.
                                    2ND FLOOR
                           WASHINGTON, D.C. 20036-1800

                            TELEPHONE (202) 778-9000
                            FACSIMILE (202) 778-9100
                                   www.kl.com

 
                                April 14, 1999


GT Global Floating Rate Fund, Inc.
(d/b/a AIM Floating Rate Fund)
11 Greenway Plaza, Suite 100
Houston, Texas 77046

Ladies and Gentlemen:

         You have requested our opinion regarding certain matters in connection
with the issuance by GT Global Floating Rate Fund, Inc. (d/b/a AIM Floating Rate
Fund) (the "Fund") of shares of the Fund's common stock. We have examined the
Fund's Articles of Incorporation and other corporate documents relating to the
authorization and issuance of the Fund's common stock. Based upon this
examination, we are of the opinion that:

              1.  All legal requirements for the organization of the Fund under
                  the laws of the State of Maryland have been satisfied, and the
                  Fund is now validly existing as a corporation in good standing
                  under the laws of the State of Maryland.

              2.  The authorization capitalization of the Fund consists of
                  1,000,000,000 shares of common stock having a par value of
                  $0.001 each.

              3.  The issuance of 30,000,000 additional shares of the Fund's
                  common stock, which currently is being registered under the
                  Securities Act of 1933 (the "1933 Act"), has been duly
                  authorized by the Fund, subject to compliance with the 1933
                  Act and the Investment Company Act of 1940.

              4.  When so issued, the Fund's shares will be legally issued,
                  fully paid and non-assessable.

         We hereby consent to the filing of this opinion as an exhibit to
Amendment No. 9 to the Fund's Registration Statement on Form N-2 (File No.
811-08485) (the "Amendment"). We also consent to the reference to our firm under
the caption "Other Information -- Legal Matters" in the Amendment.


                                         Very truly yours,

                                         KIRKPATRICK & LOCKHART LLP


                                         By: /s/ R. Charles Miller
                                             -----------------------------------
                                             R. Charles Miller

<PAGE>   1
                                                                     EXHIBIT (n)

Consent of Independent Accountants



To the Trustees of AIM Floating Rate Fund:

     Re:  AIM Floating Rate Fund

We consent to the inclusion in Pre-Effective Amendment No. 1 under the 
Securities Act of 1933, as amended, and Amendment No. 9 under the Investment 
Company Act of 1940, as amended, to the Registration statement on Form N-2, of 
GT Global Floating Rate Fund, Inc. (d/b/a AIM Floating Rate Fund), of our 
report dated February 19, 1999, on our audit of the financial statements and 
financial highlights of the AIM Floating Rate Fund, which report is included in 
the Annual Report to Shareholders for the periods stated therein, which are 
also included in this Registration Statement. We also consent to the reference 
to our Firm under the captions "Financial Highlights" and "Independent 
Accountants".





PricewaterhouseCoopers LLP

Boston, Massachusetts
April 12, 1999

<TABLE> <S> <C>

<ARTICLE> 6
<LEGEND>
THIS LEGEND CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE FUND'S
ANNUAL FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE
TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0001027826
<NAME> AIM FLOATING RATE FUND, INC.
<MULTIPLIER> 1000       
       
<S>                                    <C>
<PERIOD-TYPE>                          YEAR
<FISCAL-YEAR-END>                                 DEC-31-1998
<PERIOD-START>                                    JAN-01-1998
<PERIOD-END>                                      DEC-31-1998
<INVESTMENTS-AT-COST>                                  291789
<INVESTMENTS-AT-VALUE>                                 287277
<RECEIVABLES>                                            1768
<ASSETS-OTHER>                                             77
<OTHER-ITEMS-ASSETS>                                        0
<TOTAL-ASSETS>                                         289122
<PAYABLE-FOR-SECURITIES>                                    0
<SENIOR-LONG-TERM-DEBT>                                     0
<OTHER-ITEMS-LIABILITIES>                                1049
<TOTAL-LIABILITIES>                                      1049
<SENIOR-EQUITY>                                             0
<PAID-IN-CAPITAL-COMMON>                               292414
<SHARES-COMMON-STOCK>                                   29274
<SHARES-COMMON-PRIOR>                                   16134
<ACCUMULATED-NII-CURRENT>                                  11
<OVERDISTRIBUTION-NII>                                      0
<ACCUMULATED-NET-GAINS>                                   161
<OVERDISTRIBUTION-GAINS>                                    0
<ACCUM-APPREC-OR-DEPREC>                               (4512)
<NET-ASSETS>                                           288073
<DIVIDEND-INCOME>                                           0
<INTEREST-INCOME>                                       18730
<OTHER-INCOME>                                            326
<EXPENSES-NET>                                         (3418)
<NET-INVESTMENT-INCOME>                                 15638
<REALIZED-GAINS-CURRENT>                                   11
<APPREC-INCREASE-CURRENT>                              (4634)
<NET-CHANGE-FROM-OPS>                                   11015
<EQUALIZATION>                                              0
<DISTRIBUTIONS-OF-INCOME>                             (15628)
<DISTRIBUTIONS-OF-GAINS>                                    0
<DISTRIBUTIONS-OTHER>                                       0
<NUMBER-OF-SHARES-SOLD>                                 16339
<NUMBER-OF-SHARES-REDEEMED>                            (3941)
<SHARES-REINVESTED>                                       742
<NET-CHANGE-IN-ASSETS>                                 126376
<ACCUMULATED-NII-PRIOR>                                     0
<ACCUMULATED-GAINS-PRIOR>                                   0
<OVERDISTRIB-NII-PRIOR>                                     0
<OVERDIST-NET-GAINS-PRIOR>                                  0
<GROSS-ADVISORY-FEES>                                     568
<INTEREST-EXPENSE>                                          0
<GROSS-EXPENSE>                                          3717
<AVERAGE-NET-ASSETS>                                   227396
<PER-SHARE-NAV-BEGIN>                                   10.02
<PER-SHARE-NII>                                          0.68
<PER-SHARE-GAIN-APPREC>                                (0.18)
<PER-SHARE-DIVIDEND>                                   (0.67)
<PER-SHARE-DISTRIBUTIONS>                              (0.01)
<RETURNS-OF-CAPITAL>                                     0.00
<PER-SHARE-NAV-END>                                      9.84
<EXPENSE-RATIO>                                          1.50
<AVG-DEBT-OUTSTANDING>                                      0
<AVG-DEBT-PER-SHARE>                                    0.000
        

</TABLE>


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