Sub-Item 77Q1(a) AMENDMENT NO. 21 TO AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST OF AIM INVESTMENT FUNDS (INVESCO INVESTMENT FUNDS)

                                                                Sub-Item 77Q1(a)
                                AMENDMENT NO. 21
                             TO AMENDED AND RESTATED
                      AGREEMENT AND DECLARATION OF TRUST OF
                 AIM INVESTMENT FUNDS (INVESCO INVESTMENT FUNDS)


          This Amendment No. 21 (the "Amendment") to the Amended and Restated
Agreement and Declaration of Trust of AIM Investment Funds (Invesco Investment
Funds) (the "Trust") amends, effective December 19, 2011, the Amended and
Restated Agreement and Declaration of Trust of the Trust dated as of September
14, 2005, as amended (the "Agreement").

          Under Section 9.7 of the Agreement, this Amendment may be executed by
a duly authorized officer of the Trust.

          WHEREAS, the Trust desires to amend the Agreement to remove Invesco
Xxx Xxxxxx Global Tactical Asset Allocation Fund and Invesco Global Advantage
Fund;

          NOW, THEREFORE, the Agreement is hereby amended as follows:

     1. Schedule A of the Agreement is hereby amended and restated to read in
its entirety as set forth on Exhibit 1 to this Amendment.

     2. All references in the Agreement to "this Agreement" shall mean the
Agreement as amended by this Amendment.

     3. Except as specifically amended by this Amendment, the Agreement is
hereby confirmed and remains in full force and effect.

     IN WITNESS WHEREOF, the undersigned, a duly authorized officer of the
Trust, has executed this Amendment as of December 19, 2011.

                                          By:    /s/ Xxxx X. Xxxx
                                                 -------------------------------
                                          Name:  Xxxx X. Xxxx
                                          Title: Senior Vice President



                                    EXHIBIT 1

                                   "SCHEDULE A
                 AIM INVESTMENT FUNDS (INVESCO INVESTMENT FUNDS)
                         PORTFOLIOS AND CLASSES THEREOF



                   PORTFOLIO                        CLASSES OF EACH PORTFOLIO
------------------------------------------------   ---------------------------
                                                
Invesco Balanced-Risk Allocation Fund              Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco Balanced-Risk Commodity Strategy Fund      Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco China Fund                                 Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco Commodities Strategy Fund                  Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco Developing Markets Fund                    Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class Y Shares

Invesco Emerging Markets Equity Fund               Class A Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco Emerging Market Local Currency Debt Fund   Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares






                   PORTFOLIO                        CLASSES OF EACH PORTFOLIO
------------------------------------------------   ---------------------------
                                                
Invesco Endeavor Fund                              Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco Global Health Care Fund                    Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class Y Shares
                                                   Investor Class Shares

Invesco International Total Return Fund            Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco Pacific Growth Fund                        Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares

Invesco Premium Income Fund                        Class A Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares

Invesco Small Companies Fund                       Class A Shares
                                                   Class B Shares
                                                   Class C Shares
                                                   Class R Shares
                                                   Class Y Shares
                                                   Institutional Class Shares"