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 811-5822 MFS CHARTER 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: November 30 Date of reporting period: July 1, 2005 - June 30, 2006 ITEM 1. PROXY VOTING RECORD. ******************************* FORM N-Px REPORT ******************************* ICA File Number: 811-05822 Reporting Period: 07/01/2005 - 06/30/2006 MFS Charter Income Trust =========================== MFS CHARTER INCOME TRUST =========================== GRAND CASINOS, INC. Ticker: Security ID: 700690AL4 Meeting Date: JUL 22, 2005 Meeting Type: Written Consent Record Date: JUL 8, 2005 # Proposal Mgt Rec Vote Cast Sponsor 1 PROPOSED AMENDMENTS TO THE INDENTURES AND For For Management THE ISSUANCE OF THE GUARANTEES -------------------------------------------------------------------------------- STERLING CHEMICALS, INC. Ticker: SCHI Security ID: 859166100 Meeting Date: APR 21, 2006 Meeting Type: Annual Record Date: MAR 3, 2006 # Proposal Mgt Rec Vote Cast Sponsor 1.1 Elect Director Richard K. Crump For Withhold Management 1.2 Elect Director Dr. Peter Ting Kai Wu For Withhold Management 2 Ratify Auditors 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 CHARTER INCOME TRUST By (Signature and Title) MARIA F. DWYER* ------------------------------------------- Maria F. Dwyer, Principal Executive Officer Date: August 25, 2006 *By (Signature and Title) 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 July 13, 2006. (1) (1) Incorporated by reference to MFS Series Trust X (File Nos. 33-1657 and 811-4492) Post-Effective Amendment No. 61 filed with the SEC via EDGAR on July 27, 2006.