Sub-Item 77Q1(a) AMENDMENT NO. 20 TO AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST OF AIM INVESTMENT FUNDS (INVESCO INVESTMENT FUNDS)

                                                                Sub-Item 77Q1(a)
                                AMENDMENT NO. 20
                             TO AMENDED AND RESTATED
                      AGREEMENT AND DECLARATION OF TRUST OF
                 AIM INVESTMENT FUNDS (INVESCO INVESTMENT FUNDS)

          This Amendment No. 20 (the "Amendment") to the Amended and Restated
Agreement and Declaration of Trust of AIM Investment Funds (Invesco Investment
Funds) (the "Trust") amends, effective September 15, 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 add Invesco
Premium Income Fund and to remove Invesco Global Fund, Invesco Global Dividend
Growth Securities Fund, Invesco Health Sciences Fund, Invesco Japan Fund,
Invesco LIBOR Alpha Fund, Invesco Xxx Xxxxxx Emerging Markets Fund, Invesco Xxx
Xxxxxx Global Equity Allocation Fund, Invesco Xxx Xxxxxx Global Franchise Fund,
Invesco Xxx Xxxxxx International Advantage Fund and Invesco Xxx Xxxxxx
International Growth 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 September 15, 2011.

                                          By:    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






                       PORTFOLIO                            CLASSES OF EACH PORTFOLIO
--------------------------------------------------------   ---------------------------
                                                        
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

Invesco Endeavor Fund                                      Class A Shares
                                                           Class B Shares
                                                           Class C Shares
                                                           Class R Shares
                                                           Class Y Shares
                                                           Institutional Class Shares

Invesco Global Advantage Fund                              Class A Shares
                                                           Class B Shares
                                                           Class C Shares
                                                           Class Y 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






                       PORTFOLIO                            CLASSES OF EACH PORTFOLIO
--------------------------------------------------------   ---------------------------
                                                        
Invesco Xxx Xxxxxx Global Tactical Asset Allocation Fund   Class A Shares
                                                           Class B Shares
                                                           Class C Shares
                                                           Class R Shares
                                                           Class Y Shares
                                                           Institutional Class Shares"