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MFS(R) INSTITUTIONAL WORLDWIDE FIXED INCOME FUND
MFS(R) INSTITUTIONAL EMERGING EQUITIES FUND
MFS(R) INSTITUTIONAL EMERGING MARKETS INCOME FUND
MFS(R) INSTITUTIONAL CORE PLUS FIXED INCOME FUND
MFS(R) INSTITUTIONAL RESEARCH FUND
MFS(R) INSTITUTIONAL MID-CAP GROWTH EQUITY FUND
MFS(R) INSTITUTIONAL INTERNATIONAL EQUITY FUND
Supplement to the November 1, 1996 Prospectus
The minimum intial investment is generally $3 million per investor
(generally $1,000,000 in the case of purchases by bank trust departments for
their clients).
The date of this Supplement is December 17, 1996.
