X0306 4 2017-05-03 0 0001624899 Steris plc STE 0001306341 Wood Michael B C/O CHANCERY HOUSE, 190 WATERSIDE ROAD HAMILTON INDUSTRIAL PARK LEICESTER X0 LE5 1QZ UNITED KINGDOM 1 0 0 0 Ordinary Shares, 10 pence par value 2017-05-03 4 S 0 4000 75.00 D 30131 D This sale of a total of 4,000 ordinary shares is pursuant to a Rule 10b5-1 Stock Trading Plan entered into by the Reporting Person on September 2, 2016. /s/ Ronald E. Snyder, Authorized Representative under Power of Attorney 2017-05-05