Document

Exhibit 99.1

NOTICE OF FULL REDEMPTION

ENERSYS

5.00% Senior Notes due 2023

144A ISIN No. US29275YAB83

Reg S ISIN No. USU2928LAA36

REDEMPTION DATE: March 13, 2023

NOTICE IS HEREBY GIVEN that all of the outstanding 5.00% Senior Notes due 2023 (the “Notes”) of EnerSys, a Delaware corporation (the “Issuer”), will be redeemed in full, on March 13, 2023 (the “Redemption Date”) at a redemption price (the “Redemption Price”) equal to 100% of the principal amount of the Notes to be redeemed, plus accrued and unpaid interest to, but excluding, the Redemption Date. Capitalized terms used but not otherwise defined herein have the meanings assigned to them in the indenture, dated as of April 23, 2015 (the “Indenture”) and the First Supplemental Indenture, dated as of April 23, 2015 (the “Supplemental Indenture”), between the Issuer and U.S. Bank Trust Company, National Association, as trustee and paying agent (the “Trustee”).

The redemption of the Notes is being effected pursuant to paragraph 2 of the Notes and in accordance with Article XI of the Indenture and Article V of the Supplemental Indenture.

Interest on the Notes called for redemption shall cease to accrue on and after the Redemption Date.

The Issuer and the Trustee shall not be responsible for the use of the CUSIP or ISIN numbers selected, nor is any representation made as to their correctness or accuracy in this notice or as printed on any Note. The ISIN numbers are included solely for the convenience of the Holders of the Notes.

Regular Mail, Registered & Certified Mail, Courier or In Person by Hand:

U.S. Bank Trust Company, National Association

50 S. 16th Street, Suite 2000

Philadelphia, PA 19102

Attention: Gregory P. Guim

EACH HOLDER OF NOTES IS URGED TO CONSULT HIS OR HER OWN TAX ADVISOR AS TO THE PARTICULAR TAX CONSEQUENCES OF REDEMPTION TO SUCH HOLDER, INCLUDING THE APPLICABILITY AND EFFECT OF FEDERAL, STATE, LOCAL AND OTHER TAX LAWS.

ENERSYS

Date: February 10, 2023