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MFS(R) HIGH YIELD OPPORTUNITIES FUND
Supplement to the Current Statement of Additional Information
Part I, Section VII, "Investment Techniques, Practices and Risks" of
MFS High Yield Opportunities Fund's Statement of Additional Information dated
June 1, 1999 is amended as follows:
The investment objective and principal investment policies of
the Fund are described in the Prospectus. In pursuing its investment
objective and principal investment policies, the Fund may engage in a
number of investment techniques and practices, which involve certain
risks. These investment techniques and practices, which may be changed
without shareholder approval unless indicated otherwise, are identified
in Appendix A to the Prospectus, and are more fully described, together
with their associated risks, in Part II of this SAI. The following
percentage limitations apply to these investment techniques and
practices.
o Foreign Securities Exposure (including Emerging Markets) may not exceed 50% of
the Fund's net assets.
o The Fund may invest up to 100% of net assets in Lower Rated Bonds.
o Lending of Portfolio Securities may not exceed 30% of the Fund's net
assets.
The date of this Supplement is August 23, 1999.
