497 1 d591921d497.htm MASSMUTUAL SELECT FUNDS MassMutual Select Funds


September 17, 2013

Securities and Exchange Commission

100 F Street, NE

Washington, DC 20549


RE: MassMutual Select Funds (the “Trust”)

(1933 Act File No. 33-73824; 1940 Act File No. 811-8274)

Ladies and Gentlemen:

Transmitted herewith for filing by means of electronic submission on behalf of MassMutual Select Funds pursuant to Rule
497(e) under the Securities Act of 1933, as amended (the “Securities Act”), are exhibits containing interactive data format risk/return summary information that mirrors the risk/return summary information in the Prospectus for MassMutual Select Small Company Growth Fund dated April 1, 2013, as filed under Rule 497(e) on August 30, 2013. The purpose of this filing is to submit the 497(e) filing dated August 30, 2013 in XBRL for the Fund.

Please address any questions or comments to the undersigned at (860)562-2130.

Very truly yours,

/s/Andrew M. Goldberg

Andrew M. Goldberg

Assistant Vice President and Counsel, Massachusetts Mutual Life Insurance Company

Vice President, Secretary, and Chief Legal Officer, MassMutual Select Funds