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MFS(R) INTERMEDIATE INVESTMENT GRADE BOND FUND
SUPPLEMENT TO THE CURRENT PROSPECTUS
The description of portfolio managers under the "Management of the Funds -
Investment Adviser" section is hereby restated as follows:
Investment Grade Michael E. Gray, a Vice President of the Adviser and
Bond Fund William J. Adams, a Vice President of the Adviser, are
the portfolio managers of the Fund. Messrs. Gray and Adams
have been the Fund's portfolio managers since its inception
on January 1, 1999. Mr. Gray has been employed as an
investment professional of the Adviser since 1996. From 1994
to 1996, he was employed as a securities analyst by Conseco
Capital Management. Prior to 1994, he was Vice President and
Treasurer of Salem Cooperative Bank. Mr. Gray is a Chartered
Financial Analyst. Mr. Adams has been employed by the
Adviser as an investment professional since 1997. From 1994
to 1997, he was employed as a securities analyst with
Conseco Capital Management. Prior to 1994, he was a loan
officer at Mellon Bank, N.A. Mr. Adams is a Chartered
Financial Analyst.
The date of this Supplement is January 1, 1999.
