ESPEY MFG & ELECTRONICS CORP

The solicitation of the enclosed proxy is being made on behalf of the Board of Directors and the cost of preparing and mailing the Notice of Meeting, Proxy Statement and form of proxy to shareholders is to be borne by the Company.

October 24, 2025

Saratoga Springs, New York

Your vote matters – here’s how to vote! You may vote online or by phone instead of mailing this card. Votes submitted electronically must be received by 1:00am, Eastern Time, on December 5, 2025. Using a black ink pen, mark your votes with an X as shown in this example. Please do not write outside the designated areas. Online Go to www.investorvote.com/ESP or scan the QR code — login details are located in the shaded bar below. Phone Call toll free 1-800-652-VOTE (8683) within the USA, US territories and Canada Annual Meeting Proxy Card q IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE.q A Proposals — The Board of Directors recommends a vote FOR the nominee and FOR Proposals 2, 3, and 3 YEARS on Proposal 4. 1. Election of Directors. For Withhold 01 - Nancy K. Patzwahl 2. To ratify the appointment of WithumSmith+Brown, PC (Withum), successor to Freed Maxick, P.C., as the Company’s independent public accountants for the fiscal year ending June 30, 2026. For Against Abstain For Against Abstain 3. To approve, on an advisory (non-binding) basis, the compensation of the Company’s Named Executive Officers. 4. To approve, on an advisory (non-binding) basis, the frequency of the shareholder vote on the compensation of the Named Executive Officers. 3 YRS 2 YRS 1 YR Abstain B Authorized Signatures — This section must be completed for your vote to count. Please date and sign below. Please sign exactly as name(s) appears hereon. Joint owners should each sign. When signing as attorney, executor, administrator, corporate officer, trustee, guardian, or custodian, please give full title. Date (mm/dd/yyyy) — Please print date below. Signature 1 — Please keep signature within the box. Signature 2 — Please keep signature within the box. 1 U P X 04771C

IMPORTANT ANNUAL MEETING INFORMATION IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE SHAREHOLDER MEETING TO BE HELD ON DECEMBER 5, 2025. THE PROXY STATEMENT AND THE ANNUAL REPORT ARE AVAILABLE AT: WWW.EDOCUMENTVIEW.COM/ESP q IF VOTING BY MAIL, SIGN, DETACH AND RETURN THE BOTTOM PORTION IN THE ENCLOSED ENVELOPE.q Proxy — ESPEY MFG. & ELECTRONICS CORP. THIS PROXY IS SOLICITED ON BEHALF OF THE BOARD OF DIRECTORS. PROXY FOR THE 2025 ANNUAL MEETING SHAREHOLDERS December 5, 2025 The undersigned hereby appoints Paul Corr and Michael Wool as Proxies, each with the power to appoint his substitute, and hereby authorizes them or any one of them to represent and to vote, as designated below, all the shares of common stock of ESPEY MFG. & ELECTRONICS CORP. which the undersigned would be entitled to vote if personally present at the 2025 Annual Meeting of Shareholders to be held on December 5, 2025 or any adjournment thereof. THIS PROXY WHEN PROPERLY EXECUTED WILL BE VOTED IN THE MANNER DIRECTED HEREIN BY THE ABOVE SIGNED SHAREHOLDER. IF NO DIRECTION IS MADE, THIS PROXY WILL BE VOTED FOR PROPOSALS 1, 2, 3, and 3 YEARS on PROPOSAL 4. Please sign exactly as name appears hereon. When shares are held by joint tenants, both should sign. When signing as attorney, executor, administrator, trustee or guardian, please give full title as such. If a corporation, please sign in full corporation name by President or other authorized officer. If a partnership, please sign in partnership name by authorized person. PLEASE COMPLETE, DATE, SIGN, AND MAIL THIS FULL PROXY CARD IN THE ENCLOSED POSTAGE-PAID ENVELOPE C Non-Voting Items Change of Address — Please print new address below.