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 3, 2010, ex-dividend dates of May 11, 2010, record dates of May 13, 2010, and payable dates of May 28, 2010:

Fund (ticker)

 

Income/Share

 

Short TermGains/Share

 

Long TermGains/Share

 

Other Sources/Share*

 

Total Amount/Share

MFS® CaliforniaInsured Municipal(AMEX: CCA)

  $0.0680   $0.0000   $0.0000   $0.0000   $0.0680

MFS® CharterIncome(NYSE: MCR)

  $0.0590   $0.0000   $0.0000   $0.0000   $0.0590

MFS® GovernmentMarkets Income(NYSE: MGF)

  $0.0000   $0.0000   $0.0000   $0.043280   $0.043280

MFS® High IncomeMunicipal(NYSE: CXE)

  $0.0320   $0.0000   $0.0000   $0.0000   $0.0320

MFS® High YieldMunicipal(NYSE: CMU)

  $0.0290   $0.0000   $0.0000   $0.0000   $0.0290

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   $0.048020   $0.048020

MFS® InvestmentGrade Municipal(NYSE: CXH)

  $0.0540   $0.0000   $0.0000   $0.0000   $0.0540

MFS® Multi MarketIncome(NYSE: MMT)

  $0.0450   $0.0000   $0.0000   $0.0000   $0.0450

MFS® MunicipalIncome(NYSE: MFM)

  $0.0420   $0.0000   $0.0000   $0.0000   $0.0420

MFS® SpecialValue(NYSE: MFV)

  $0.0000   $0.0000   $0.0000   $0.06010   $0.06010

*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 $195.4 billion in assets on behalf of individual and institutional investors worldwide as of March 31, 2010. 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 Management500 Boylston St., Boston, MA 02116

15812.19