X0609 4 2026-06-02 0 0001757898 STERIS plc STE 0001697095 Burton Karen L true 70 SIR JOHN ROGERSON'S QUAY DUBLIN 2 L2 D02 R296 IRELAND 0 1 0 0 Sr. Vice Pres., CFO 0 Ordinary Shares 2026-06-02 4 A 0 5325 0 A 13530 D Ordinary Shares 2026-06-02 4 M 0 66 209.76 D 13464 D Employee Stock Option (right to buy) 230.74 2026-06-02 4 A 0 18564 0 A 2036-06-02 Ordinary Shares 18564 18564 D As of June 2, 2026, 10,239 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 651 on June 3, 2026; 306 on June 4, 2026; 783 on October 1, 2026; 1,775 on June 2, 2027; 651 on June 3, 2027; 306 on June 4, 2027; 783 on October 1, 2027; 1,775 on June 2, 2028; 651 on June 5, 2028 and 783 on October 1, 2028 and 1,775 on June 4, 2029. 66 shares were withheld from the 225 restricted shares that vested on June 2, 2026. These 66 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These vested shares were valued at the NYSE closing market price on June 2, 2026. This option becomes exercisable as follows: 4,641 on June 2, 2027, 4,641 on June 2, 2028, 4,641 on June 4, 2029 and 4,641 on June 3, 2030. /s/ John P. Ubbing, Authorized Representative under Power of Attorney 2026-06-04