AMENDMENT NO. 1 TO PARTICIPATION AGREEMENT

Exhibit (h) i.a1

AMENDMENT NO. 1 TO

PARTICIPATION AGREEMENT

The Participation Agreement (the “Agreement”), dated as of April 30, 2004, as amended, by and among AIM Variable Insurance Funds, a Delaware trust; A I M Distributors, Inc., a Delaware corporation; and Massachusetts Mutual Life Insurance Company, a Massachusetts life insurance company, is hereby amended as follows:

WHEREAS, on March 31, 2008, A I M Distributors, Inc. was renamed Invesco Aim Distributors, Inc. All references to A I M Distributors, Inc. will hereby be deleted and replaced with Invesco Aim Distributors, Inc.; and

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

SCHEDULE A

FUNDS AVAILABLE UNDER THE CONTRACTS

Series I and II shares

AIM V.I. Financial Services Fund

AIM V.I. Global Health Care Fund

AIM V.I. Technology Fund

SEPARATE ACCOUNTS UTILIZING THE FUNDS

• Massachusetts Mutual Variable Life Separate Account 1

• Massachusetts Mutual Variable Annuity Separate Account 4

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

Effective date: July 1, 2008

						AIM VARIABLE INSURANCE FUNDS
Attest:		/s/ Xxxxx Xxxxxxxx				By:		/s/ Xxxx X. Xxxx
Name:		Xxxxx Xxxxxxxx				Name:		Xxxx X. Xxxx
Title:		Assistant Secretary				Title:		Senior Vice President
						INVESCO AIM DISTRIBUTORS, INC.
Attest:		/s/ Xxxxx Xxxxxxxx				By:		/s/ Xxxx X. Xxxxxx
Name:		Xxxxx Xxxxxxxx				Name:		Xxxx X. Xxxxxx
Title:		Assistant Secretary				Title:		President
						MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY
Attest:		/s/ Xxxxxx Xxxxxx				By:		/s/ Xxxxx Xxxxxx
Name:		Xxxxxx Xxxxxx				Name:		Xxxxx Xxxxxx
Title:		Senior Paralegal				Title:		Vice President

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