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Rule 497(e)
Registration No. 33-73824
File No. 811-8274
MASSMUTUAL INSTITUTIONAL FUNDS
Supplement dated December 20, 1996, to the
Statement of Additional Information dated May 1, 1996
The following information should be read in conjunction with the information
under the heading "Management of the Trust" on page B-10 of MassMutual
Institutional Fund's Statement of Additional Information dated May 1, 1996.
The shareholders of MassMutual Institutional Funds (the "Trust") have elected
four new members to the Trust's Board of Trustees to serve in addition to the
existing Trustees. The four new Trustees are listed below together with
information regarding their age, address, principal occupations during the past
five years and other principal business affiliations.
Richard H. Ayers Chairman and Chief Executive Officer
1000 Stanley Drive (since 1989) and Director (since 1985),
New Britain, CT 06053 The Stanley Works (manufacturer of
Age 54 tools, hardware and specialty hardware
and specialty hardware products);
Director (since 1986), Southern New
England Telecommunications Corp.;
Director, (since 1988) Perkin Elmer Corp.
David E. A. Carson President and Chief Executive Office
850 Main Street (since 1985), People's Bank; Director,
Bridgeport, CT 06604 United Illuminating Co.; Trustee, American
Age 62 Skandia Trust (open-end investment company).
Richard W. Greene Executive Vice President and Treasurer (since
University Of Rochester 1986), University of Rochester (private
Rochester, NY 14627 university).
Age 61
Beverly C. L. Hamilton President (since 1991), ARCO Investment Management
515 South Flower Street Co.; Vice President (since 1991), Atlantic
Los Angeles, CA 90071 Richfield Company; Director (since 1992),
Age 50 Connecticut Natural Gas; Director (since 1991),
Emerging Markets Growth Fund (closed-end
investment company).
December 20, 1996
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December 20 1996
Securities and Exchange Commission
450 Fifth Street, N.W.
Judiciary Plaza
Washington, DC 20549
Re: Rule 497(e) Filing by MassMutual Institutional Funds --
Registration No. 33-73824
File No. 811-8274
Ladies and Gentlemen:
Pursuant to Rule 497(e) of the Securities Act of 1933 and Rule 101 of Regulation
S-T, I am filing electronically herewith, on behalf of MassMutual Institutional
Funds (the "Trust"), the attached supplement to the Trust's Statement of
Additional Information dated May 1, 1996 (the "SAI"), which was previously filed
electronically with the Securities and Exchange Commission under the above
referenced Registration Statement and File Numbers.
Please call the undersigned at (413) 744-5401 if you have any questions
regarding this filing.
Sincerely,
/s/ John E. Deitelbaum
John E. Deitelbaum
Counsel
Enclosure
