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MFS RESEARCH FUND
Supplement to the Current Prospectus
During the period from January 22, 1996 through February 29, 1996
(unless extended by MFS Fund Distributors, Inc. ("MFD")) (the "Sales Period"),
MFD will pay National Financial Services Corp. ("National") (on behalf of
registered representatives of Oriental Financial Services Corp. ("Oriental"))
100% of the applicable sales charge on sales of Class A shares of the Fund
initiated by Oriental during the Sales Period. In addition, MFD will pay
National (on behalf of Oriental) an additional commission equal to 0.50% of the
net asset value of all of the Class B shares of the Fund sold by National (on
behalf of Oriental) during the Sales Period.
The date of this Supplement is January 22, 1996.
