UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-4841 MFS MUNICIPAL INCOME TRUST (Exact name of registrant as specified in charter) 500 Boylston Street, Boston, Massachusetts 02116 (Address of principal executive offices) (Zip code) Susan S. Newton Massachusetts Financial Services Company 500 Boylston Street Boston, Massachusetts 02116 (Name and address of agents for service) Registrant's telephone number, including area code: (617) 954-5000 Date of fiscal year end: October 31 Date of reporting period: July 1, 2009 - June 30, 2010 ITEM 1. PROXY VOTING RECORD. ******************************* FORM N-Px REPORT ******************************* ICA File Number: 811-04841 Reporting Period: 07/01/2009 - 06/30/2010 MFS Municipal Income Trust ========================== MFS Municipal Income Trust ========================== MFS SERIES TRUST XIV -- MFS Institutional Money Market Portfolio Ticker: Security ID: 55291X109 Meeting Date: JAN 28, 2010 Meeting Type: Written Consent Record Date: JAN 27, 2010 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Trustee Robert E. Butler For For Management 1.2 Elect Trustee Lawrence H. Cohn, M.D. For For Management 1.3 Elect Trustee Maureen R. Goldfarb For For Management 1.4 Elect Trustee David H. Gunning For For Management 1.5 Elect Trustee William R. Gutow For For Management 1.6 Elect Trustee Michael Hegarty For For Management 1.7 Elect Trustee John P. Kavanaugh For For Management 1.8 Elect Trustee Robert J. Manning For For Management 1.9 Elect Trustee Robert C. Pozen For For Management 1.10 Elect Trustee J. Dale Sherratt For For Management 1.11 Elect Trustee Laurie J. Thomsen For For Management 1.12 Elect Trustee Robert W. Uek For For Management ========== END NPX REPORT SIGNATURES Pursuant to the requirements of the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Registrant: MFS MUNICIPAL INCOME TRUST By (Signature and Title) MARIA F. DWYER* ------------------------------------------- Maria F. Dwyer, Principal Executive Officer Date: August 26, 2010 *By (Signature and Title) /s/ Susan S. Newton ------------------------------------------ Susan S. Newton, as attorney-in-fact * Executed by Susan S. Newton on behalf of Maria F. Dwyer pursuant to a Power of Attorney dated October 27, 2008. (1) (1) Incorporated by reference to MFS Series Trust XIII (File Nos. 2-74959 and 811-3327) Post-Effective Amendment No. 42 filed with the SEC via EDGAR on June 25, 2009.