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: 07/01/2017 - 06/30/2018 Eaton Vance Senior Income Trust -------------------------------------------------------------------------------------------------------------------------- BLACKROCK FLTING RT INCOME STRA FD INC Agenda Number: 934647655 -------------------------------------------------------------------------------------------------------------------------- Security: 09255X100 Meeting Type: Annual Meeting Date: 25-Jul-2017 Ticker: FRA ISIN: US09255X1000 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR MICHAEL J. CASTELLANO Mgmt For For CYNTHIA L. EGAN Mgmt For For CATHERINE A. LYNCH Mgmt For For -------------------------------------------------------------------------------------------------------------------------- CAESARS ENTERTAINMENT CORPORATION Agenda Number: 934796232 -------------------------------------------------------------------------------------------------------------------------- Security: 127686103 Meeting Type: Annual Meeting Date: 30-May-2018 Ticker: CZR ISIN: US1276861036 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1. DIRECTOR Mark Frissora Mgmt For For James Hunt Mgmt For For John Dionne Mgmt For For Richard Schifter Mgmt Withheld Against 2. To ratify the appointment of Deloitte & Mgmt For For Touche LLP as the Company's independent registered public accounting firm for the year ending December 31, 2018. 3. To transact such other business as may Mgmt Against Against properly come before the meeting or any adjournment of the meeting. -------------------------------------------------------------------------------------------------------------------------- INVESCO Agenda Number: 934664067 -------------------------------------------------------------------------------------------------------------------------- Security: 46131H107 Meeting Type: Annual Meeting Date: 08-Sep-2017 Ticker: VVR ISIN: US46131H1077 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1A. DIRECTOR TERESA M. RESSEL Mgmt For For LARRY SOLL Mgmt For For PHILIP A. TAYLOR Mgmt For For CHRISTOPHER L. WILSON Mgmt For For -------------------------------------------------------------------------------------------------------------------------- NUVEEN FLOATING RATE INCOME FUND Agenda Number: 934734511 -------------------------------------------------------------------------------------------------------------------------- Security: 67072T108 Meeting Type: Annual Meeting Date: 11-Apr-2018 Ticker: JFR ISIN: US67072T1088 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1A. DIRECTOR Margo L. Cook Mgmt For For Jack B. Evans Mgmt For For Albin F. Moschner Mgmt For For -------------------------------------------------------------------------------------------------------------------------- NUVEEN FLOATING RATE INCOME OPPORTUNITY Agenda Number: 934734511 -------------------------------------------------------------------------------------------------------------------------- Security: 6706EN100 Meeting Type: Annual Meeting Date: 11-Apr-2018 Ticker: JRO ISIN: US6706EN1001 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1A. DIRECTOR Margo L. Cook Mgmt For For Jack B. Evans Mgmt For For Albin F. Moschner Mgmt For For -------------------------------------------------------------------------------------------------------------------------- NUVEEN PREFERED & CONVERTIBLE INCOME 2 Agenda Number: 934734523 -------------------------------------------------------------------------------------------------------------------------- Security: 67073D102 Meeting Type: Annual Meeting Date: 11-Apr-2018 Ticker: JQC ISIN: US67073D1028 -------------------------------------------------------------------------------------------------------------------------- Prop.# Proposal Proposal Proposal Vote For/Against Type Management 1B. DIRECTOR Margo L. Cook Mgmt For For Jack B. Evans Mgmt For For Albin F. Moschner Mgmt For For William J. Schneider Mgmt For For -------------------------------------------------------------------------------------------------------------------------- VOYA PRIME RATE TRUST Agenda Number: 934624431 -------------------------------------------------------------------------------------------------------------------------- Security: 92913A100 Meeting Type: Annual Meeting Date: 06-Jul-2017 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 Withheld Against 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 Withheld Against * 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 08/13/2018