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MFS(R) MID CAP VALUE FUND
MFS(R) LARGE CAP VALUE FUND
MFS(R) HIGH QUALITY BOND FUND
Supplement to the Current Prospectus
The MFS Mid Cap Value Fund is not currently being offered for sale. In addition,
while three classes of shares of the MFS Large Cap Value Fund and the MFS High
Quality Bond Fund are described in this Prospectus, these funds do not currently
offer class B and class C shares. Class A shares are available for purchase at
net asset value only by employees of MFS and its affiliates and certain of their
family members who are residents of The Commonwealth of Massachusetts, and
members of the governing boards of the various funds sponsored by MFS.
The date of this Supplement is May 3, 1999
