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                                FOURTH AMENDMENT
                                       TO
                       AGREEMENT AND DECLARATION OF TRUST
                                       OF
                              AIM INVESTMENT FUNDS


         THIS FOURTH AMENDMENT TO AGREEMENT AND DECLARATION OF TRUST OF AIM
INVESTMENT FUNDS (the "Amendment") is entered into as of the 16th day of
February, 1999, among C. Derek Anderson, Frank S. Bayley, Robert H. Graham,
Arthur C. Patterson and Ruth H. Quigley, as Trustees, and each person who
became or becomes a Shareholder in accordance with the terms set forth in that
certain Agreement and Declaration of Trust of AIM Investment Funds, a Delaware
business trust (the "Trust"), entered into as of May 7, 1998, as amended (the
"Agreement").

         WHEREAS, the Trustees of the Trust and the Shareholders of AIM
Emerging Markets Fund have approved the Plan of Reorganization and Termination,
dated as of November 30, 1998, adopted by the Trust on behalf of AIM Emerging
Markets Fund and AIM Developing Markets Fund, pursuant to which AIM Emerging
Markets Fund would be reorganized into AIM Developing Markets Fund (the
"Reorganization"); and

         WHEREAS, the Reorganization was consummated as of the close of
business on February 12, 1999; and

         WHEREAS, the Trustees of the Trust have directed that promptly
following the Reorganization, the Trust shall terminate AIM Emerging Markets
Fund in accordance with Delaware law;

         NOW, THEREFORE, the Trustees hereby amend the Agreement as herein set
forth below:

         1. Capitalized terms not specifically defined in this Amendment shall
have the meanings ascribed to them in the Agreement.

         2. Schedule A of the Agreement shall be deleted in its entirety and
the following new Schedule A shall be substituted in lieu thereof:

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                                  "SCHEDULE A

         AIM Investment Funds shall be divided into the following Portfolios
and Classes:

            Class A, Class B, Class C and Advisor Class

          AIM Developing Markets Fund
          AIM Global Growth & Income Fund
          AIM Latin American Growth Fund
          AIM Global Consumer Products and Services Fund
          AIM Global Financial Services Fund
          AIM Global Health Care Fund
          AIM Global Infrastructure Fund
          AIM Global Resources Fund
          AIM Global Telecommunications Fund
          AIM Global Government Income Fund
          AIM Emerging Markets Debt Fund
          AIM Strategic Income Fund


As previously provided in the Third Amendment to Agreement and Declaration of
Trust of AIM Investment Funds, dated as of February 4, 1999, the name of AIM
Global Telecommunications Fund shall be changed, effective June 1, 1999, to
'AIM Global Telecommunications and Technology Fund.'


Date: February 16, 1999"


         3. With the exception of the amendment to Schedule A of the Agreement
as set forth in paragraph 2 of this Amendment, the Agreement, as amended, shall
in all other respects remain in full force and effect.

         4. This Amendment may be executed in any number of counterparts and by
different parties hereto in separate counterparts, each of which when so
executed shall be deemed to be an original and all of which taken together
shall constitute one and the same Amendment.



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                  IN WITNESS WHEREOF, the undersigned, being all of the
Trustees of the Trust, have executed this Amendment to Agreement and
Declaration of Trust of AIM Investment Funds as of the day and year first above
written.


/s/ C. DEREK ANDERSON                     /s/ FRANK S. BAYLEY
- ------------------------------            ------------------------------------
C. Derek Anderson, Trustee                Frank S. Bayley, Trustee

/s/ ROBERT H. GRAHAM                      /s/ ARTHUR C. PATTERSON
- ------------------------------            ------------------------------------
Robert H. Graham, Trustee                 Arthur C. Patterson, Trustee

/s/ RUTH H. QUIGLEY
- ------------------------------
Ruth H. Quigley, Trustee




                        [THIS IS THE SIGNATURE PAGE FOR
           THE FOURTH AMENDMENT TO AGREEMENT AND DECLARATION OF TRUST
                            OF AIM INVESTMENT FUNDS]