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MFS(R) UNION STANDARD(R) EQUITY FUND
Supplement to the Current Prospectus
The description of the portfolio managers under the "Management of the Fund"
section is hereby restated as follows:
Lisa B. Nurme, a Senior Vice President of MFS, has been employed by MFS as a
portfolio manager since 1995, and, prior to that as an investment analyst since
1987. James M. Perkins, a Vice President of MFS, has been employed by MFS as an
investment analyst since 1983. Ms. Nurme and Mr. Perkins each became a portfolio
manager of the fund effective March 1, 2000.
The date of this Supplement is March 6, 2000.
