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: 07/01/2016 - 06/30/2017 Eaton Vance Senior Income Trust -------------------------------------------------------------------------------------------------------------------------- BLACKROCK FLTING RT INCOME STRA FD INC Agenda Number: 934449403 -------------------------------------------------------------------------------------------------------------------------- Security: 09255X100 Meeting Type: Annual Meeting Date: 26-Jul-2016 Ticker: FRA ISIN: US09255X1000 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR MICHAEL J. CASTELLANO Mgmt For For RICHARD E. CAVANAGH Mgmt For For CYNTHIA L. EGAN Mgmt For For FRANK J. FABOZZI Mgmt For For JERROLD B. HARRIS Mgmt For For R. GLENN HUBBARD Mgmt For For W. CARL KESTER Mgmt For For CATHERINE A. LYNCH Mgmt For For BARBARA G. NOVICK Mgmt For For JOHN M. PERLOWSKI Mgmt For For KAREN P. ROBARDS Mgmt For For -------------------------------------------------------------------------------------------------------------------------- INVESCO Agenda Number: 934464506 -------------------------------------------------------------------------------------------------------------------------- Security: 46131H107 Meeting Type: Annual Meeting Date: 26-Aug-2016 Ticker: VVR ISIN: US46131H1077 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1A. DIRECTOR ALBERT R. DOWDEN Mgmt For For ELI JONES Mgmt For For RAYMOND STICKEL, JR. Mgmt For For -------------------------------------------------------------------------------------------------------------------------- NUVEEN FLOATING RATE INCOME FUND Agenda Number: 934535608 -------------------------------------------------------------------------------------------------------------------------- Security: 67072T108 Meeting Type: Annual Meeting Date: 06-Apr-2017 Ticker: JFR ISIN: US67072T1088 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1A. DIRECTOR WILLIAM ADAMS IV Mgmt For For DAVID J. KUNDERT Mgmt For For JOHN K. NELSON Mgmt For For TERENCE J. TOTH Mgmt For For -------------------------------------------------------------------------------------------------------------------------- NUVEEN FLOATING RATE INCOME OPPORTUNITY Agenda Number: 934535608 -------------------------------------------------------------------------------------------------------------------------- Security: 6706EN100 Meeting Type: Annual Meeting Date: 06-Apr-2017 Ticker: JRO ISIN: US6706EN1001 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1A. DIRECTOR WILLIAM ADAMS IV Mgmt For For DAVID J. KUNDERT Mgmt For For JOHN K. NELSON Mgmt For For TERENCE J. TOTH Mgmt For For -------------------------------------------------------------------------------------------------------------------------- NUVEEN PREFERED & CONVERTIBLE INCOME 2 Agenda Number: 934535595 -------------------------------------------------------------------------------------------------------------------------- Security: 67073D102 Meeting Type: Annual Meeting Date: 06-Apr-2017 Ticker: JQC ISIN: US67073D1028 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1B. DIRECTOR WILLIAM ADAMS IV Mgmt For For DAVID J. KUNDERT Mgmt For For JOHN K. NELSON Mgmt For For TERENCE J. TOTH Mgmt For For -------------------------------------------------------------------------------------------------------------------------- PATTERSON-UTI ENERGY, INC. Agenda Number: 934627932 -------------------------------------------------------------------------------------------------------------------------- Security: 703481101 Meeting Type: Annual Meeting Date: 29-Jun-2017 Ticker: PTEN ISIN: US7034811015 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR MARK S. SIEGEL Mgmt For For CHARLES O. BUCKNER Mgmt For For MICHAEL W. CONLON Mgmt For For WILLIAM A HENDRICKS, JR Mgmt For For CURTIS W. HUFF Mgmt For For TERRY H. HUNT Mgmt For For TIFFANY J. THOM Mgmt For For 2. APPROVAL OF AMENDMENT AND RESTATEMENT OF Mgmt For For PATTERSON-UTI'S 2014 LONG-TERM INCENTIVE PLAN. 3. RATIFICATION OF THE SELECTION OF Mgmt For For PRICEWATERHOUSECOOPERS LLP AS THE INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM OF PATTERSON-UTI FOR THE FISCAL YEAR ENDING DECEMBER 31, 2017. 4. APPROVAL OF AN ADVISORY RESOLUTION ON Mgmt For For PATTERSON-UTI'S COMPENSATION OF ITS NAMED EXECUTIVE OFFICERS. 5. ADVISORY VOTE ON THE FREQUENCY OF FUTURE Mgmt 1 Year For ADVISORY VOTES ON EXECUTIVE COMPENSATION. -------------------------------------------------------------------------------------------------------------------------- SEVENTY SEVEN ENERGY INC Agenda Number: 934563102 -------------------------------------------------------------------------------------------------------------------------- Security: 81809A100 Meeting Type: Special Meeting Date: 20-Apr-2017 Ticker: SVNT ISIN: US81809A1007 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. ADOPTION OF THE AGREEMENT AND PLAN OF Mgmt For For MERGER, DATED AS OF DECEMBER 12, 2016, BY AND AMONG SSE, PATTERSON-UTI ENERGY, INC. AND PYRAMID MERGER SUB, INC. 2. APPROVAL, ON AN ADVISORY (NON-BINDING) Mgmt For For BASIS, OF THE COMPENSATION THAT MAY BE PAID OR BECOME PAYABLE TO SSE'S NAMED EXECUTIVE OFFICERS IN CONNECTION WITH THE MERGER. 3. ADJOURNMENT OF THE SPECIAL MEETING, IF Mgmt For For NECESSARY OR APPROPRIATE, TO SOLICIT ADDITIONAL PROXIES IF THERE ARE NOT SUFFICIENT VOTES TO APPROVE THE PROPOSAL TO ADOPT THE AGREEMENT AND PLAN OF MERGER. -------------------------------------------------------------------------------------------------------------------------- TROPICANA ENTERTAINMENT INC Agenda Number: 934603728 -------------------------------------------------------------------------------------------------------------------------- Security: 89708X105 Meeting Type: Annual Meeting Date: 25-May-2017 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 WILLIAM A. LEIDESDORF Mgmt For For DANIEL H. SCOTT Mgmt For For ANTHONY P. RODIO Mgmt Withheld Against KEITH COZZA 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, 2017. 3. TO VOTE ON AN ADVISORY RESOLUTION TO Mgmt For For APPROVE EXECUTIVE COMPENSATION OF THE COMPANY'S NAMED EXECUTIVE OFFICERS, AS DISCLOSED IN THE PROXY STATEMENT 4. TO VOTE ON AN ADVISORY RESOLUTION TO Mgmt 1 Year For APPROVE THE FREQUENCY (WHETHER EVERY YEAR, EVERY TWO YEARS OR EVERY THREE YEARS) OF FUTURE ADVISORY RESOLUTIONS ON EXECUTIVE COMPENSATION -------------------------------------------------------------------------------------------------------------------------- VOYA PRIME RATE TRUST Agenda Number: 934424627 -------------------------------------------------------------------------------------------------------------------------- Security: 92913A100 Meeting Type: Annual Meeting Date: 07-Jul-2016 Ticker: PPR ISIN: US92913A1007 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR COLLEEN D. BALDWIN Mgmt For For JOHN V. BOYER Mgmt For For PATRICIA W. CHADWICK Mgmt For For PETER S. DROTCH Mgmt For For MARTIN J. GAVIN Mgmt For For RUSSELL H. JONES Mgmt For For PATRICK W. KENNY Mgmt For For JOSEPH E. OBERMEYER Mgmt For For SHERYL K. PRESSLER Mgmt For For CHRISTOPHER P. SULLIVAN Mgmt For For ROGER B. VINCENT Mgmt For For SHAUN P. MATHEWS Mgmt For For * 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/ Payson F. Swaffield Name Payson F. Swaffield Title President Date 08/14/2017