CXE MFS High Income Municipal Trust

MFS Investment Management� (MFS�) announced today monthly distributions of the following closed-end funds, all with declaration dates of May 1, 2009, ex-dividend dates of May 11, 2009, record dates of May 13, 2009, and payable dates of May 29, 2009:

Fund (ticker) �

Income/Share

�

Short TermGains/Share

�

Long TermGains/Share

�

Other Sources/Share*

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Total Amount/Share

MFS� CaliforniaInsured Municipal(AMEX: CCA) � $ 0.0630 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0630 MFS� Charter Income(NYSE: MCR) � $ 0.0490 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0490 MFS� GovernmentMarkets Income(NYSE: MGF) � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.043170 � $ 0.043170 MFS� High IncomeMunicipal(NYSE: CXE) � $ 0.0310 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0310 MFS� High YieldMunicipal(NYSE: CMU) � $ 0.0280 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0280 MFS� IntermarketIncome(NYSE: CMK) � $ 0.0410 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0410 MFS� IntermediateHigh Income(NYSE: CIF) � $ 0.0210 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0210 MFS� IntermediateIncome(NYSE: MIN) � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.046840 � $ 0.046840 MFS� InvestmentGrade Municipal(NYSE: CXH) � $ 0.0520 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0520 MFS� Multi MarketIncome(NYSE: MMT) � $ 0.0400 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0400 MFS� MunicipalIncome(NYSE: MFM) � $ 0.0420 � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.0420 MFS� SpecialValue(NYSE: MFV) � $ 0.0000 � $ 0.0000 � $ 0.0000 � $ 0.042230 � $ 0.042230

*Distributions from �other sources� may represent income and/or a non-taxable return of capital, which cannot be determined until the close of a fund's fiscal year-end. All or a portion of the fund's distributions may be taxable.

Investors who want to make changes to their accounts should contact their financial advisor, brokerage firm, or other nominee with whom the shares are registered. If shares are registered with the funds� transfer agent, Computershare, the transfer agent may be contacted directly at 800-637-2304, or www.computershare.com.

MFS manages approximately $134 billion in assets on behalf of more than 5 million individual and institutional investors worldwide as of December 31, 2008. The company traces its origins to 1924 and the creation of America�s first mutual fund.

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 Management

500 Boylston St., Boston, MA 02116

15812.7