<PAGE>
MFS(R) International Opportunities Fund
MFS(R) International Strategic Growth Fund
MFS(R) International Value Fund
MFS(R) Intermediate Investment Grade Bond Fund
MFS(R) Research Bond Fund
MFS(R) Emerging Opportunities Fund
MFS(R) Large Cap Value Fund
MFS(R) High Quality Bond Fund
MFS(R) Strategic Value Fund
MFS(R) Emerging Markets Debt Fund
MFS(R) Income Fund
MFS(R) European Equity Fund
MFS(R) High Yield Fund
MFS(R) Concentrated Growth Fund
VertexSM All Cap Fund
VertexSM Contrarian Fund
VertexSM Income Fund
MFS(R) New York High Income Tax Free Fund
MFS(R) Massachusetts High Income Tax Free Fund
Supplement to the Current Statement of Additional Information
Until terminated by MFS Fund Distributors, Inc. ("MFD"), the Funds' distributor,
MFD will incur, on behalf of Royal Alliance Associates, Inc., up to $15 toward
the ticket charge with respect to purchases of shares of any MFS Fund made
through the GOLD Select Program. MFD will not incur such charge with respect to
redemptions or repurchases of Fund shares, exchanges of Fund shares, or shares
purchased or redeemed through systematic investment or withdrawal plans.
The date of this Supplement is August 1, 1999 (as revised September 1, 2000).
