AMENDMENT NO. 4 TO MASTER INVESTMENT ADVISORY AGREEMENT

                                                              Sub-Item 77Q1(e)

                                 AMENDMENT NO. 4
                                       TO
                      MASTER INVESTMENT ADVISORY AGREEMENT

     This Amendment dated as of April 30, 2010, amends the Master Investment
Advisory Agreement (the "Agreement"), dated November 25, 2003, between AIM
Treasurer's Series Trust, a Delaware statutory trust, and Invesco Advisers,
Inc., a Delaware corporation.

                                   WITNESSETH:

     WHEREAS, AIM Treasurer's Series Trust is now named AIM Treasurer's Series
Trust (Invesco Treasurer's Series Trust);

     NOW, THEREFORE, the parties agree that;

     1.   All references to AIM Treasurer's Series Trust in the Agreement are
          hereby deleted and replaced with AIM Treasurer's Series Trust (Invesco
          Treasurer's Series Trust).

     2.   In all other respects, the Agreement is hereby confirmed and remains
          in full force and effect.

     IN WITNESS WHEREOF, the parties have caused this Agreement to be executed
by their respective officers on the date first written above.

                                        AIM TREASURER'S SERIES TRUST
                                        (INVESCO TREASURER'S SERIES TRUST)


Attest: /s/ Xxxxxxx X. Xxxxx            By: /s/ Xxxx X. Xxxx
        -----------------------------       ------------------------------------
        Xxxxxxx X. Xxxxx                    Xxxx X. Xxxx
        Assistant Secretary                 Senior Vice President

(SEAL)

                                        INVESCO ADVISERS, INC


/s/ Xxxxxxx X. Xxxxx                    By: /s/ Xxxx X. Xxxx
-------------------------------------       ------------------------------------
Xxxxxxx X. Xxxxx                            Xxxx X. Xxxx
Assistant Secretary                         Senior Vice President

(SEAL)