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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 Southtrust Investment Services, Inc. ("Southtrust") 100% of the
applicable sales charge on sales of Class A shares of the Fund sold by
Southtrust during the Sales Period. In addition, MFD will pay Southtrust an
additional commission equal to 0.50% of the net asset value of all of the Class
B shares of the Fund sold by Southtrust during the Sales Period.
The date of this Supplement is January 22, 1996.