ENS Enersys

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

(Amendment No.)

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ENERSYS

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EnerSys® Power/Full Solutions P.O. BOX 8016, CARY, NC 27512-9903 Your vote matters! EnerSys Annual Meeting of Stockholders Thursday, August 1, 2024 10:00 AM, Eastern Time Annual Meeting to be held live via the Internet - please visit www.proxydocs.com/ENS for more details. You must register to attend the meeting online and/or participate at www.proxydocs.com/ENS For a convenient way to view proxy materials, VOTE, and obtain directions to attend the meeting go to www.proxydocs.com/ENS To vote your proxy while visiting this site, you will need the 12 digit control number in the box below. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. This is not a ballot. You cannot use this notice to vote your shares. We encourage you to access and review all of the important information contained in the proxy materials before voting. Under United States Securities and Exchange Commission rules, proxy materials do not have to be delivered in paper. Proxy materials can be distributed by making them available on the internet. If you want to receive a paper or e-mail copy of the proxy material, you must request one. There is no charge to you for requesting a copy. In order to receive a paper package in time for this year’s meeting, you must make this request on or before July 22, 2024. SEE REVERSE FOR FULL AGENDA Scan QR for digital voting Meeting Materials: Notice of Meeting and Proxy Statement & Annual Report on Form 10-K Important Notice Regarding the Availability of Proxy Materials for the Stockholders Meeting To Be Held On August 1, 2024 For Stockholders as of record on June 6, 2024 To order paper materials, use one of the following methods. Internet: www.investorelections.com/ENS Call: 1-866-648-8133 Email: paper@investorelections.com * If requesting material by e-mail, please send a blank e-mail with the 12 digit control number (located below) in the subject line. No other requests, instructions OR other inquiries should be included with your e-mail requesting material. Have the 12 digit control number located in the box above available when you access the website and follow the instructions. Copyright © 2024 BetaNXT, Inc. or its affiliates. All Rights Reserved

EnerSys® Power/Full Solutions EnerSys Annual Meeting of Stockholders THE BOARD OF DIRECTORS RECOMMENDS A VOTE: FOR ALL OF THE NOMINEES IN PROPOSAL 1 AND FOR PROPOSALS 2 AND 3 PROPOSAL 1. Elect three (3) Class II director nominees; 1.01 Dave Habiger 1.02 Lauren Knausenberger 1.03 Tamara Morytko 2. Ratify the appointment of Ernst & Young LLP as the Company’s independent registered public accounting firm for fiscal year ending March 31, 2025; and 3. An advisory vote to approve the compensation of EnerSys’ named executive officers.