Company: EVF
Filing Date: 2025-08-22
Form Type: DEF 14A
Source: 0001145443-25-000243
Chunk: 32

Company: Eaton Vance Senior Income Trust
Filing Date: 2025-08-22
Form: DEF 14A
Chunk 32
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 THAT CHANGES TO THE REGISTERED NAME(S) ON THE ACCOUNT MAY NOT BE SUBMITTED VIA THIS METHOD. |

| ADDRESS CHANGE: |

| FOR ALL  | WITHHOLD      | FOR ALL             |
| NOMINEES | AUTHORITY FOR | EXCEPT              |
|          | ALL NOMINEES  | -instructions below |

INSTRUCTIONS: To withhold authority to vote for any individual nominee(s), mark “FOR ALL EXCEPT” and fill in the square next to each nominee you wish to withhold, as shown here:

| COMMENTS: |

IMPORTANT NOTICE REGARDING THE AVAILABILITY OF INTERNET PROXY MATERIALS FOR THE SHAREHOLDER MEETING TO BE HELD OCTOBER 9, 2024The Notice of Annual Meeting of Shareholders, Proxy Statement, Form(s) of Proxy Card and Shareholder Report are available on the Eaton Vance Website, https://funds.eatonvance.com/closed-end-fund-and-term-trust-documents.php. Please call 1-800-262-1122 for information on how to obtain directions to be able to attend and vote at the Annual Meeting in person.

| [PROXY ID NUMBER HERE] | [BAR CODE HERE] | [CUSIP HERE] |

<div align='center'>EATON VANCE SENIOR INCOME TRUST

Annual Meeting of Shareholders, October 8, 2025

Proxy Solicited on Behalf of the Board of Trustees

HOLDERS OF AUCTION PREFERRED SHARES</div>

The undersigned holder(s) of auction preferred shares of beneficial interest (the “Auction Preferred Shares”) of Eaton Vance Senior Income Trust (the “Fund”), a Massachusetts business trust, hereby appoints KRISTIN S. ANAGNOST, NICHOLAS S. DI LORENZO, JAMES F. KIRCHNER, KENNETH A. TOPPING and DEIDRE E. WALSH, and each of them, with full power of substitution and revocation, as proxies to represent the undersigned at the Annual Meeting of Shareholders of the Fund (the “Annual Meeting”) to be held at the principal office of the Fund, One Post Office Square, Boston, Massachusetts 02109, on October 8, 2025 at 11:30 a.m. (Eastern Time), and at any and all adjournments or postponements thereof, and to vote all Auction Preferred Shares of the Fund that the undersigned would be entitled to vote, with all powers the undersigned would possess