X0306 4 2015-11-02 1 0000815065 STERIS CORP STE 0001413087 Rosebrough Walter M Jr C/O 5960 HEISLEY ROAD MENTOR OH 44060 1 1 0 0 President & CEO Common Shares, No Par Value 2015-11-02 4 D 0 116376 D 0 D Common Shares, No Par Value 2015-11-02 4 D 0 20000 D 0 I See Footnote Below. Common Shares, No Par Value 2015-11-02 4 D 0 68806 D 0 I See Footnote Below. Common Shares, No Par Value 2015-11-02 4 D 0 6960 D 0 I See Footnote Below. Employee Stock Option (right to buy) 29.94 2015-11-02 4 D 0 18000 D 2022-05-30 Common Shares, No Par Value 18000 0 D Employee Stock Option (right to buy) 45.34 2015-11-02 4 D 0 50000 D 2023-05-31 Common Shares, No Par Value 50000 0 D Employee Stock Option (right to buy) 53.52 2015-11-02 4 D 0 119000 D 2024-05-30 Common Shares, No Par Value 119000 0 D Employee Stock Option (right to buy) 67.98 2015-11-02 4 D 0 111000 D 2025-08-10 Common Shares, No Par Value 111000 0 D These 116,376 Common Shares are held by the Reporting Person as Trustee of a revocable trust established for his benefit. 44,750 of these Common Shares are restricted. The restrictions on the restricted Common Shares lapse as follows: 5,000 on May 31, 2016; 6,250 on May 31, 2016; 6,250 on May 31, 2017; 4,250 on May 30, 2016; 4,250 on May 30, 2017, 4,250 on May 30, 2018, 3,625 on May 30, 2016, 3,625 on May 29, 2017, 3,625 on May 28, 2018, and 3,625 on May 28, 2019. Represents shares of STERIS Corporation ("STERIS") disposed of pursuant to merger of a wholly-owned subsidiary of STERIS plc ("New STERIS") with and into STERIS, with STERIS surviving the merger as a wholly-owned subsidiary of New STERIS (the "Merger"), in exchange for ordinary shares of New STERIS, which was consummated simultaneous with and conditioned on New STERIS' acquisition of Synergy Health plc by commencing a "recommended offer" under English law. At the effective time of the Merger, each STERIS common share was cancelled and converted into the right to receive one New STERIS ordinary share. These shares are held by the Reporting Person as Trustee of an irrevocable trust established for the benefit of the children of the Reporting Person and the Reporting Person's Spouse. These shares are held by the Reporting Person's Spouse as Trustee of a revocable trust established for her benefit. These shares are held by the Reporting Person as Trustee of an irrevocable trust established for the benefit of the grandchildren of the Reporting Person and the Reporting Person's Spouse. This option becomes exercisable as follows: 18,000 on May 30, 2016. This option was assumed by New STERIS in the Merger and converted to an option to purchase 18,000 ordinary shares of New STERIS for $29.94 per share, subject to the same terms and conditions that were applicable to the original STERIS option. This option becomes exercisable as follows: 25,000 on May 31, 2016 and 25,000 on May 31, 2017. This option was assumed by New STERIS in the Merger and converted to an option to purchase 50,000 ordinary shares of New STERIS for $45.34 per share, subject to the same terms and conditions that were applicable to the original STERIS option. This option becomes exercisable as follows: 29,750 on May 30, 2016, 29,750 on May 30, 2017 and 29,750 on May 30, 2018. This option was assumed by New STERIS in the Merger and converted to an option to purchase 119,000 ordinary shares of New STERIS for $53.52 per share, subject to the same terms and conditions that were applicable to the original STERIS option. This option becomes exercisable as follows: 27,750 on May 28, 2016, 27,750 on May 28, 2017, 27,750 on May 28, 2018 and 27,750 on May 28, 2019. This option was assumed by New STERIS in the Merger and converted to an option to purchase 111,000 ordinary shares of New STERIS for $67.98 per share, subject to the same terms and conditions that were applicable to the original STERIS option. /s/ Dennis P. Patton, Authorized Representative under Power of Attorney 2015-11-02