AMENDMENT NO. 21 TO SECOND AMENDED AND RESTATED AGREEMENT AND DECLARATION OF TRUST OF AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)

AMENDMENT NO. 21
TO SECOND AMENDED AND RESTATED
AGREEMENT AND DECLARATION OF TRUST OF
AIM COUNSELOR SERIES TRUST
(INVESCO COUNSELOR SERIES TRUST)

          This Amendment No. 21 (the “Amendment”) to the Second Amended and Restated Agreement and Declaration of Trust of AIM Counselor Series Trust (Invesco Counselor Series Trust) (the “Trust”) amends, effective March 1, 2012, the Second 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 change the name of Invesco Structured Core Fund to Invesco U.S. Quantitative Core 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 March 1, 2012.

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

EXHIBIT 1

“SCHEDULE A
AIM COUNSELOR SERIES TRUST (INVESCO COUNSELOR SERIES TRUST)
PORTFOLIOS AND CLASSES THEREOF

PORTFOLIO		CLASSES OF EACH PORTFOLIO
Invesco California Tax-Free Income Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class Y Shares
Invesco Core Plus Bond Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class R Shares
		Class Y Shares
		Institutional Class Shares
Invesco Equally-Weighted S&P 500 Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class R Shares
		Class Y Shares
Invesco Floating Rate Fund		Class A Shares
		Class C Shares
		Class R Shares
		Class Y Shares
		Institutional Class Shares
Invesco S&P 500 Index Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class Y Shares
Invesco Global Real Estate Income Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class Y Shares
		Institutional Class Shares
Invesco U.S. Quantitative Core Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class R Shares
		Class Y Shares
		Institutional Class Shares
		Investor Class Shares

PORTFOLIO		CLASSES OF EACH PORTFOLIO
Invesco Xxx Xxxxxx American Franchise Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class R Shares
		Class Y Shares
		Institutional Class Shares
Invesco Xxx Xxxxxx Equity and Income Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class R Shares
		Class Y Shares
		Institutional Class Shares
Invesco Xxx Xxxxxx Growth and Income Fund Class A Shares
		Class B Shares
		Class C Shares
		Class R Shares
		Class Y Shares
		Institutional Class Shares
Invesco Xxx Xxxxxx Pennsylvania Tax Free		Class A Shares
Income Fund		Class B Shares
		Class C Shares
		Class Y Shares
Invesco Xxx Xxxxxx Small Cap Growth Fund		Class A Shares
		Class B Shares
		Class C Shares
		Class Y Shares”