MFS Announces Portfolio Management Appointments for Several Closed End Funds

MFS Investment Management® (MFS®) announced portfolio management appointments for several closed end funds, effective May 1, 2011.

William Adams, CFA, will be added to each portfolio management team of the following Funds: MFS® Charter Income Trust (NYSE: MCR), MFS® Multimarket Income Trust (NYSE: MMT), MFS® Intermediate High Income Fund (NYSE: CIF), and MFS® Special Value Trust (NYSE: MFV). Adams will also continue in his role as director of credit research at MFS.

Current investment team member John Addeo, CFA, will transition off the above mentioned portfolios. He will remain with MFS and continue to serve as a member of the firm’s High Yield team, in which he participates in the research process and strategy discussions.

Other investment team members on the above mentioned Funds will continue in their current portfolio management duties.

About MFS Investment Management

MFS is a premier global money management firm with investment offices in Boston, London, Mexico City, Singapore, Sydney, and Tokyo. The firm’s history dates back to March 21, 1924, and the establishment of the first U.S. “open-end” mutual fund. MFS manages $231.2 billion in assets on behalf of individual and institutional investors worldwide, as of February 28, 2011. Please visit mfs.com for more information.

The Trusts are closed-end investment products. Shares of the Trusts are only available for purchase/sale, at the current market price, on the NYSE, with the exception of the MFS California Insured Municipal Fund which is available for purchase only on the American Stock Exchange. Shares may trade at a discount to NAV.

MFS Investment Management500 Boylston St., Boston, MA 02116