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: 07/01/2011 - 06/30/2012 Eaton Vance Senior Income Trust -------------------------------------------------------------------------------------------------------------------------- BUFFETS RESTAURANTS HLDGS INC Agenda Number: 933527890 -------------------------------------------------------------------------------------------------------------------------- Security: 11988P107 Meeting Type: Annual Meeting Date: 15-Dec-2011 Ticker: BUFR ISIN: US11988P1075 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1A ELECTION OF DIRECTOR: WILLIAM R. FLOYD, JR. Mgmt For For 1B ELECTION OF DIRECTOR: R. MICHAEL ANDREWS, Mgmt For For JR. 1C ELECTION OF DIRECTOR: STEVEN K. LUMPKIN Mgmt For For 1D ELECTION OF DIRECTOR: MICHAEL MARKOWITZ Mgmt For For 1E ELECTION OF DIRECTOR: DAVID C. MERRITT Mgmt For For 1F ELECTION OF DIRECTOR: WILLIAM M. VAN EPPS Mgmt For For 02 PROPOSAL TO RATIFY THE APPOINTMENT OF Mgmt For For DELOITTE & TOUCHE LLP AS THE COMPANY'S INDEPENDENT AUDITORS. -------------------------------------------------------------------------------------------------------------------------- COMPTON PETROLEUM FIN CORP Agenda Number: 933485989 -------------------------------------------------------------------------------------------------------------------------- Security: 204755AD4 Meeting Type: Special Meeting Date: 25-Jul-2011 Ticker: ISIN: US204755AD42 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 01 A RESOLUTION OF NOTEHOLDERS (THE Mgmt No vote "NOTEHOLDERS' ARRANGEMENT RESOLUTION"), THE FULL TEXT OF WHICH IS SET OUT IN APPENDIX "A" TO THE ACCOMPANYING CIRCULAR, APPROVING AMONG OTHER THINGS AN ARRANGEMENT (THE "ARRANGEMENT") PURSUANT TO SECTION 192 OF THE CANADA BUSINESS CORPORATIONS ACT, WHICH ARRANGEMENT IS MORE PARTICULARLY DESCRIBED IN THE CIRCULAR. -------------------------------------------------------------------------------------------------------------------------- GREEKTOWN SUPERHOLDINGS INC Agenda Number: 933608917 -------------------------------------------------------------------------------------------------------------------------- Security: 392485108 Meeting Type: Annual Meeting Date: 08-May-2012 Ticker: GRKT ISIN: US3924851088 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 01 DIRECTOR NEAL P. GOLDMAN Mgmt For * MGT NOM: J.A. BARRET JR Mgmt For * MGT NOM: GEORGE BOYER Mgmt Withheld * MGT NOM: DARRELL BURKS Mgmt Withheld * MGT NOM: M.E. DUGGAN Mgmt For * MGT NOM: FREMAN HENDRIX Mgmt For * MGT NOM: SOOHYUNG KIM Mgmt For * MGT NOM: Y.E. LANDAU Mgmt For * MGT NOM: CHARLES MOORE Mgmt For * -------------------------------------------------------------------------------------------------------------------------- SEMGROUP CORPORATION Agenda Number: 933615138 -------------------------------------------------------------------------------------------------------------------------- Security: 81663A105 Meeting Type: Annual Meeting Date: 23-May-2012 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. RATIFICATION OF BDO USA, LLP AS INDEPENDENT Mgmt For For REGISTERED PUBLIC ACCOUNTING FIRM FOR 2012. -------------------------------------------------------------------------------------------------------------------------- SUPERMEDIA INC Agenda Number: 933595475 -------------------------------------------------------------------------------------------------------------------------- Security: 868447103 Meeting Type: Annual Meeting Date: 23-May-2012 Ticker: SPMD ISIN: US8684471035 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR EDWARD J. BAYONE Mgmt For For ROBERT C. BLATTBERG Mgmt For For CHARLES B. CARDEN Mgmt For For THOMAS D. GARDNER Mgmt For For DAVID E. HAWTHORNE Mgmt For For PETER J. MCDONALD Mgmt For For THOMAS S. ROGERS Mgmt For For JOHN SLATER Mgmt For For DOUGLAS D. WHEAT Mgmt For For 2. ADVISORY RESOLUTION TO APPROVE EXECUTIVE Mgmt For For COMPENSATION. 3. RATIFICATION OF APPOINTMENT OF ERNST & Mgmt For For YOUNG LLP AS OUR INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM FOR 2012. * 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 08/07/2012