X0407 4 2023-05-31 0 0001757898 STERIS plc STE 0001863490 Xilas Andrew C/O 70 SIR JOHN ROGERSON'S QUAY DUBLIN L2 2 IRELAND 0 1 0 0 SVP and GM, Dental 0 Ordinary Shares 2023-05-31 4 A 0 1278 0.00 A 5997 D Employee Stock Option (right to buy) 219.97 2023-05-31 4 A 0 7172 0.00 A 2033-05-31 Ordinary Shares 7172 7172 D As of May 31, 2023, 3,553 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 352 on June 2, 2023; 289 on October 2, 2023; 426 on May 31, 2024, 352 on June 3, 2024; 289 on October 1, 2024; 426 on June 2, 2025, 352 on June 2, 2025; 289 on October 1, 2025, 426 on June 1, 2026 and 352 on June 2, 2026. This option becomes exercisable as follows: 1,793 on May 31, 2024; 1,793 on June 2, 2025; 1,793 on June 1, 2026 and 1,793 on June 1, 2027. /s/ Ronald E. Snyder, Authorized Representative under Power of Attorney 2023-06-02