X0508 4 2026-01-02 0 0001757898 STERIS plc STE 0002102487 McGowan Lindsey 70 SIR JOHN ROGERSON'S QUAY DUBLIN 2 L2 D02 R296 IRELAND 0 1 0 0 VP, Chf. Comp. & Quality Offc. 0 Ordinary Shares 2026-01-02 4 A 0 798 0 A 5028 D Ordinary Shares 248 I See Footnote Below As of January 2, 2026, 3,750 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 660 on May 31, 2026; 1,128 on June 2, 2026; 588 on June 4, 2027; 576 on June 3, 2028 and 798 on January 2, 2029. Units representing 248 ordinary share equivalents are held on behalf of the Reporting Person under the STERIS Corporation 401(k) Plan as of January 2, 2026. /s/ John P. Ubbing, Authorized Representative under Power of Attorney 2026-01-06