X0306 4 2016-09-02 0 0001624899 Steris plc STE 0001657245 Steeves Richard Martin C/O CHANCERY HOUSE, 190 WATERSIDE RD. HAMILTON INDUSTRIAL PARK LEISCESTER X0 LE5 1QZ UNITED KINGDOM 1 0 0 0 Ordinary Shares, 0.10 Nominal Value 2016-09-02 4 S 0 4778 70.99 D 165434 D Ordinary Shares, 0.10 Nominal Value 2016-09-02 4 S 0 48836 71.00 D 470721 I See Footnote Below Ordinary Shares, 0.10 Nominal Value 2016-09-06 4 S 0 103422 71.2822 D 367299 I See Footnote Below Ordinary Shares, 0.10 Nominal Value 2016-09-07 4 S 0 47742 71.20 D 319557 I See Footnote Below. Ordinary Shares, 0.10 Nominal Value 207550 I See Footnote Below Ordinary Shares, 0.10 Nominal Value 57962 I See Footnote Below These ordinary shares are held in a trust. These ordinary shares are held by the reporting person's spouse. These ordinary shares are held in a self invested personal pension plan. /s/ Ronald E. Snyder, Authorized Representative under Power of Attorney 2016-09-07