AMENDMENT NO. 4 TO MASTER INTERGROUP SUB-ADVISORY CONTRACT FOR MUTUAL FUNDS

AMENDMENT NO. 4

TO

MASTER INTERGROUP SUB-ADVISORY CONTRACT FOR MUTUAL FUNDS

This Amendment dated May 24, 2019, amends the Master Intergroup Sub-Advisory Contract for Mutual Funds (the “Contract”), dated May 1, 2008, between Invesco Advisers, Inc. (the “Adviser”) on behalf of Short-Term Investments Trust (the “Trust”), and each of Invesco Canada Ltd., Invesco Asset Management Deutschland GmbH, Invesco Asset Management Limited, Invesco Asset Management (Japan) Ltd., Invesco Hong Kong Limited, and Invesco Senior Secured Management, Inc. (each a “Sub-Adviser” and, collectively, the “Sub-Advisers”).

W I T N E S S E T H:

WHEREAS, the Trust desires to amend the Agreement to add Invesco Oppenheimer Institutional Government Money Market Fund;

NOW, THEREFORE, the parties agree as follows;

1. Exhibit A to the Contract is hereby deleted in its entirety and replaced with the following:

“EXHIBIT A

Invesco Government & Agency Portfolio

Invesco Liquid Assets Portfolio

Invesco Oppenheimer Institutional Government Money Market Fund

Invesco STIC Prime Portfolio

Invesco Tax-Free Cash Reserve Portfolio

Invesco Treasury Portfolio

Invesco Treasury Obligations Portfolio”

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

IN WITNESS WHEREOF, the parties hereto have caused this Contract to be executed by their officers designated as of the day and year first above written.

INVESCO ADVISERS, INC.
Adviser
By:		/s/ Xxxxxxx X. Xxxxx
Name:		Xxxxxxx X. Xxxxx
Title:		Senior Vice President

INVESCO CANADA LTD.
Sub-Adviser
By:		/s/ Harsh Damani
Name:		Harsh Damani
Title:		Chief Financial Officer, Funds North America Head – Fund Accounting & Fund Expenses
By:		/s/ Xxxxx X. Xxxxxx
Name:		Xxxxx X. Xxxxxx
Title:		Executive Vice President and Chief Financial Officer

INVESCO ASSET MANAGEMENT DEUTSCHLAND GMBH
Sub-Advisor
By:		/s/ Xxxxxxx Xxxxx / /s/ Xxxxxxxxx Xxxx
Name:		Xxxxxxx Xxxxx / Xxxxxxxxx Xxxx
Title:		Geschafsfuhrer / Geschaftsfuhrer

INVESCO ASSET MANAGEMENT LIMITED
Sub-Advisor
By:		/s/ Xxxxxx Xxxxxxxxx
Name:		Xxxxxx Xxxxxxxxx
Title:		Director

INVESCO ASSET MANAGEMENT (JAPAN) LTD.
Sub-Advisor
By:		/s/ Xxxxxxxx Xxxxxxxx
Name:		Xxxxxxxx Xxxxxxxx
Title:		Managing Director

INVESCO HONG KONG LIMITED
Sub-Advisor
By:		/s/ Pang Sin Chu    /s/ Lei Xxx Xxx
Name:		Pang Sin Xxx    Xxx Xxx Xxx
Title:		Authorized Signatories

INVESCO SENIOR SECURED MANAGEMENT, INC.
Sub-Advisor
By:		/s/ Xxxxxxx Xxxxxxx
Name:		Xxxxxxx Xxxxxxx
Title:		Secretary & General Counsel