AMENDMENT ONE DATED OCTOBER 1, 2020 TO INVESTMENT SUBADVISORY AGREEMENT for MassMutual Select Small Cap Growth Equity Fund

Exhibit D(160)

AMENDMENT ONE

DATED OCTOBER 1, 2020 TO

INVESTMENT SUBADVISORY AGREEMENT

for MassMutual Select Small Cap Growth Equity Fund

WHEREAS, Massachusetts Mutual Life Insurance Company (“MassMutual”) and Wellington Management Company, LLP (predecessor to Wellington Management Company LLP) (the “Subadviser”) entered into an Investment Subadvisory Agreement (the “Agreement”), effective as of December 6, 2011, relating to the MassMutual Select Small Cap Growth Equity Fund (the “Fund”); and

WHEREAS, MassMutual assigned the Agreement to its wholly-owned affiliate, MML Investment Advisers, LLC (“MML Advisers”), effective April 1, 2014; and

WHEREAS, MML Advisers and the Subadviser desire to amend the compensation of the Subadviser as described in the Agreement; and

WHEREAS, Section 15 of the Agreement permits the Agreement to be amended by a written instrument approved in writing by both parties;

NOW THEREFORE, IT IS AGREED THAT:

1. Capitalized terms used herein but not otherwise defined shall have the meanings given to those terms in the Agreement.

2. Section 4 – Compensation of the Subadviser is replaced in its entirety with the following:

[ ].

3. Except as expressly amended hereby, all provisions of the Agreement remain in full force and effect and are unchanged in all other respects.

4. This Amendment may be executed in one or more counterparts, each of which shall be deemed to be an original and, all of which, when taken together, shall constitute one and the same instrument.

IN WITNESS WHEREOF, the parties hereto intending to be legally bound have caused this Amendment to be executed by their duly authorized officers or other representatives as of the day and year first above written.

MML INVESTMENT ADVISERS, LLC			WELLINGTON MANAGEMENT COMPANY LLP
By:	/s/ Xxxxxxx Xxxxxx		By:	/s/ Xxxx Xxxxxx
Name: Xxxxxxx Xxxxxx			Name: Xxxx Xxxxxx
Title: Vice President			Title: Managing Director

Acknowledged and Agreed:

MASSMUTUAL SELECT FUNDS

on behalf of MassMutual Select Small Cap Growth Equity Fund

By:	/s/ Xxxxx Xxxxxxxxx
Name: Xxxxx Xxxxxxxxx
Title: CFO and Treasurer