STE: Leadership change

Item 5.02. The Original Form 8-K reported that the Board of Directors of the Company (the “Board”) increased its size from nine to ten members on May 5, 2026, and elected Pierre Boulud to serve as a Director effective as of that date. In accordance with the Instructions to Item 5.02 of Form 8-K, this Current Report on Form 8-K/A reports Mr. Boulud’s initial Board committee assignments. No other changes have been made to the Original Form 8-K. ITEM 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On July 31, 2026, Pierre Boulud was appointed to serve on the Audit Committee of the Board and the Compliance and Technology Committee of the Board. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. STERIS plc By /s/ J. Adam Zangerle J. Adam Zangerle Senior Vice President, General Counsel & Company Secretary Dated: August 6, 2026