AMENDMENT NO. 2
      SECOND AMENDED AND RESTATED MASTER ADMINISTRATIVE SERVICES AGREEMENT

     The Second Amended and Restated Master Administrative Services Agreement
(the "Agreement"), dated July 1, 2006, by and between A I M ADVISORS, INC., a
Delaware corporation, and AIM COUNSELOR SERIES TRUST, a Delaware business trust,
is hereby amended as follows:

     WHEREAS, the parties desire to amend the Agreement to delete a portfolio,
AIM Advantage Health Sciences Fund;

Appendix A of the Agreement is hereby deleted in its entirety and replaced with
the following:

                                   "APPENDIX A

                                 FEE SCHEDULE TO
      SECOND AMENDED AND RESTATED MASTER ADMINISTRATIVE SERVICES AGREEMENT
                                       OF
                           AIM COUNSELOR SERIES TRUST



PORTFOLIOS                           EFFECTIVE DATE OF AGREEMENT
----------                           ---------------------------
                                  
AIM Multi-Sector Fund                       July 1, 2006
AIM Floating Rate Fund                      July 1, 2006
AIM Select Real Estate Income Fund          March 12, 2007
AIM Structured Core Fund                    July 1, 2006
AIM Structured Growth Fund                  July 1, 2006
AIM Structured Value Fund                   July 1, 2006


     The Administrator may receive from each Portfolio reimbursement for costs
or reasonable compensation for such services as follows:



Rate*    Net Assets
-----    ----------
      
0.023%   First $1.5 billion
0.013%   Next $1.5 billion
0.003%   Over $3 billion


*    Annual minimum fee is $50,000. An additional $10,000 per class of shares is
     charged for each class other than the initial class. The $10,000 class fee
     is waived for any of the above Portfolios with insufficient assets to
     result in the payment of more than the minimum fee of $50,000."



     All other terms and provisions of the Agreement not amended herein shall
remain in full force and effect.

Dated:  April 23, 2007

                                        A I M ADVISORS, INC.


Attest: /s/ P. Michelle Grace           By: /s/ John M. Zerr
        -----------------------------       ------------------------------------
        Assistant Secretary                 John M. Zerr
                                            Senior Vice President

(SEAL)


                                        AIM COUNSELOR SERIES TRUST


Attest: /s/ P. Michelle Grace           By: /s/ John M. Zerr
        -----------------------------       ------------------------------------
        Assistant Secretary                 John M. Zerr
                                            Senior Vice President

(SEAL)