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MFS(R) STRATEGIC GROWTH FUND
Supplement to the Current Prospectus
The description of portfolio manager under the section of the prospectus,
entitled "Management of the Fund Portfolio Managers", is hereby restated as
follows:
MFS Strategic Growth Fund - S. Irfan Ali, a Vice President of the Adviser, is
the Fund's portfolio manager. Mr. Ali has been employed as a portfolio manager
by the Adviser since 1993, and has been the fund's portfolio manager since
February 24, 1999.
The date of this Supplement is December 1, 1999.
