<PAGE>
MFS(R) INTERNATIONAL GROWTH AND INCOME FUND
Supplement to the Current Prospectus
The description of portfolio managers under the "Management of the Funds"
section is hereby restated as follows:
Frederick J. Simmons, a Senior Vice President of MFS, has been employed in the
investment management area of MFS since 1971. Mr. Simmons has been the fund's
portfolio manager since 1997. Steven R. Gorham, a Vice President of MFS, has
been employed by MFS in the investment management area since 1989. Mr. Gorham
became a portfolio manager of the fund effective July 1, 2000.
The date of this Supplement is July 3, 2000.
