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MFS(R) NEW DISCOVERY FUND
Supplement to the Current Prospectus and Statement of Additional Information
Effective at the earlier to occur of (i) April 15, 2000 or (ii) the
close of business on the day the Fund has sold at least an additional $175
million of shares, shares of the Fund will no longer be available for sale to
new shareholders, except for participants making contributions through
retirement plans qualified under section 401(a) or 403(b) of the Internal
Revenue Code of 1986, as amended. Shares of the Fund will continue to be
available for sale to current shareholders of the Fund.
The date of this Supplement is March 14, 2000.
