NINTH AMENDMENT TO PARTICIPATION AGREEMENT Among And And MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY And And

Exhibit (h)(21)

NINTH AMENDMENT TO PARTICIPATION AGREEMENT

Among

MML SERIES INVESTMENT FUND II

And

MML INVESTMENT ADVISERS, LLC

And

MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY

And

MML BAY STATE LIFE INSURANCE COMPANY

And

C.M. LIFE INSURANCE COMPANY

THIS AMENDMENT dated August 11, 2015 amends the Participation Agreement entered into as of the 17^th day of November, 2005, as amended to date, (the “Agreement”) by and among Massachusetts Mutual Life Insurance Company (“MassMutual”), MML Bay State Life Insurance Company, C.M. Life Insurance Company, each on their own behalf and on behalf of each segregated asset account of each insurance company, and MML Series Investment Fund II (“MML II Trust”).

For good and valuable consideration, the receipt of which is hereby acknowledged, the parties agree to amend the Agreement as follows:

Schedule A of the Agreement is deleted in its entirety and replaced with Schedule A attached hereto.

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

IN WITNESS WHEREOF, the parties have hereunto affixed their respective authorized signatures as of the date set forth above.

MML SERIES INVESTMENT FUND II						MML INVESTMENT ADVISERS, LLC
By its authorized officer						By its authorized officer
By:		/s/ Xxxxxxx X Xxxx				By:		/s/ Xxxx X. Xxxxxxx
Print Name:		Xxxxxxx X. Xxxx				Print Name:		Xxxx X. Xxxxxxx
Title:		President				Title:		President
MASSACHUSETTS MUTUAL LIFE INSURANCE COMPANY						MML BAY STATE LIFE INSURANCE COMPANY
By its authorized officer						By its authorized officer
By:		/s/ Xxxx Xxxxx				By:		/s/ Xxxx Xxxxx
Print Name:		Xxxx Xxxxx				Print Name:		Xxxx Xxxxx
Title:		Senior Vice President				Title:		Senior Vice President

1

C. M. LIFE INSURANCE COMPANY
By its authorized officer
By:		/s/ Xxxx Xxxxx
Print Name:		Xxxx Xxxxx
Title:		Senior Vice President

2

Schedule A

MML Series Investment Fund II

MML Series Investment Fund II (“MML II Trust”) agrees to make available all the series of MML II Trust (the “Funds”). Funds include both Service Class or Service Class I shares and non-service class shares. The Funds will be available for any contracts/policies and/or separate accounts sponsored by Massachusetts Mutual Life Insurance Company, MML Bay State Life Insurance Company or C.M. Life Insurance Company.

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