POWER OF ATTORNEY

The undersigned on his or her own behalf and on behalf of his or her estate,
heirs and assigns hereby constitutes and appoints Susan S. Newton, Christopher
R. Bohane, Timothy M. Fagan, Susan A. Pereira and Brian E. Langenfeld and each
of them singly as true and lawful attorneys with full power to them and each of
them, to execute, on behalf of the undersigned, in the capacity listed below,
any and all statements or reports under Section 16 of the Securities Exchange
Act of 1934, as amended, with respect to the beneficial ownership of reportable
securities issued by MFS Charter Income Trust, MFS Government Markets Income
Trust, MFS Intermediate Income Trust, MFS Multimarket Income Trust, MFS
Municipal Income Trust and MFS Special Value Trust including, without
limitation, all initial statements of beneficial ownership on Form 3, all
statements of changes of beneficial ownership on Form 4 and all annual
statements of beneficial ownership on Form 5, and any and all other documents
that may be required, from time to time, to be filed with the Securities and
Exchange Commission, to execute any and all amendments or supplements to any
such statements or forms, and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission, granting to said attorney, full power and authority to do so and
perform each and every act and thing requisite and necessary to be done in and
about the premises, as fully to all intents and purposes as the undersigned (or
his or her estate, heirs and assigns) might or could do in person, hereby
ratifying and confirming all that said attorneys or any of them may lawfully do
or cause to be done by virtue hereof.

   IN WITNESS WHEREOF, the undersigned has set his or her hand on this 25th day
of April, 2007.

/s/ David H. Gunning
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David H. Gunning

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