UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM N-PX ANNUAL REPORT OF PROXY VOTING RECORD OF REGISTERED MANAGEMENT INVESTMENT COMPANY INVESTMENT COMPANY ACT FILE NUMBER: 811-09013 NAME OF REGISTRANT: Eaton Vance Senior Income Trust ADDRESS OF PRINCIPAL EXECUTIVE OFFICES: Two International Place Boston, MA 02110 NAME AND ADDRESS OF AGENT FOR SERVICE: Maureen A. Gemma, Esq. Two International Place Boston, MA 02110 REGISTRANT'S TELEPHONE NUMBER: 617-482-8260 DATE OF FISCAL YEAR END: 06/30 DATE OF REPORTING PERIOD: 07/01/2012 - 06/30/2013 Eaton Vance Senior Income Trust -------------------------------------------------------------------------------------------------------------------------- SEMGROUP CORPORATION Agenda Number: 933795897 -------------------------------------------------------------------------------------------------------------------------- Security: 81663A105 Meeting Type: Annual Meeting Date: 22-May-2013 Ticker: SEMG ISIN: US81663A1051 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR RONALD A. BALLSCHMIEDE Mgmt For For SARAH M. BARPOULIS Mgmt For For JOHN F. CHLEBOWSKI Mgmt For For KARL F. KURZ Mgmt For For JAMES H. LYTAL Mgmt For For THOMAS R. MCDANIEL Mgmt For For NORMAN J. SZYDLOWSKI Mgmt For For 2. TO APPROVE, ON A NON-BINDING ADVISORY Mgmt For For BASIS, THE COMPENSATION OF THE COMPANY'S NAMED EXECUTIVE OFFICERS. 3. TO APPROVE THE SEMGROUP EMPLOYEE STOCK Mgmt For For PURCHASE PLAN. 4. RATIFICATION OF BDO USA, LLP AS INDEPENDENT Mgmt For For REGISTERED PUBLIC ACCOUNTING FIRM FOR 2013. -------------------------------------------------------------------------------------------------------------------------- TROPICANA ENTERTAINMENT INC Agenda Number: 933802197 -------------------------------------------------------------------------------------------------------------------------- Security: 89708X105 Meeting Type: Annual Meeting Date: 16-May-2013 Ticker: TPCA ISIN: US89708X1054 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR DANIEL A. CASSELLA Mgmt For For HUNTER C. GARY Mgmt Withheld Against CARL C. ICAHN Mgmt Withheld Against JAMES L. NELSON Mgmt For For DANIEL A. NINIVAGGI Mgmt Withheld Against DANIEL H. SCOTT Mgmt For For ANTHONY P. RODIO Mgmt Withheld Against 2. TO RATIFY THE APPOINTMENT OF GRANT THORNTON Mgmt For For LLP AS THE COMPANY'S INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR THE FISCAL YEAR ENDING DECEMBER 31, 2013. 3. ADVISORY RESOLUTION TO APPROVE EXECUTIVE Mgmt For For COMPENSATION. * Management position unknown 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) Eaton Vance Senior Income Trust By (Signature) /s/ Scott H. Page Name Scott H. Page Title President Date 08/16/2013