Exhibit 99.1 Energizer Holdings, Inc. 533 Maryville University Dr. St. Louis, MO 63141 FOR IMMEDIATE RELEASE Company Contact Jon Poldan Vice President, Treasurer & Investor Relations 314-985-2349 May 7, 2024 Jonathan.Poldan@energizer.com Energizer Holdings, Inc. Announces Fiscal 2024 Second Quarter Results • Net sales for the quarter decreased 3.0% and organic Net sales declined 2.7% versus the prior year, in line with our financial outlook.1 ◦ The Auto Care segment's Net sales increased 2.3% in the quarter ...