X0306 4 2015-11-02 1 0000815065 STERIS CORP STE 0001555270 Forsythe Suzanne V C/O 5960 HEISLEY ROAD MENTOR OH 44060 0 1 0 0 V. P. - Human Resources Common Shares, No Par Value 2015-11-02 4 D 0 9908 D 0 D Common Shares, No Par Value 2015-11-02 4 D 0 1035 D 0 I See Footnote Below. Employee Stock Option (right to buy) 22.83 2015-11-02 4 D 0 1700 D 2019-05-21 Common Shares, No Par Value 1700 0 D Employee Stock Option (right to buy) 31.87 2015-11-02 4 D 0 700 D 2020-05-20 Common Shares, No Par Value 700 0 D Employee Stock Option (right to buy) 36.09 2015-11-02 4 D 0 650 D 2021-05-31 Common Shares, No Par Value 650 0 D Employee Stock Option (right to buy) 29.94 2015-11-02 4 D 0 3500 D 2022-05-30 Common Shares, No Par Value 3500 0 D Employee Stock Option (right to buy) 45.34 2015-11-02 4 D 0 4000 D 2023-05-31 Common Shares, No Par Value 4000 0 D Employee Stock Option (right to buy) 53.52 2015-11-02 4 D 0 9000 D 2024-05-30 Common Shares, No Par Value 9000 0 D Employee Stock Option (right to buy) 67.98 2015-11-02 4 D 0 8000 D 2025-08-10 Common Shares, No Par Value 8000 0 D 5,338 of these Common Shares are restricted. The restrictions on these Common Shares lapse as follows: 563 on May 31, 2016; 1,000 on May 31, 2016; 1,000 on May 31, 2017; 425 on May 30, 2016; 425 on May 30, 2017; 425 on May 30, 2018; 375 on May 30, 2016; 375 on May 29, 2017; 375 on May 28, 2018; and 375 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. Represents 1,059.274 units of the STERIS Corporation 401(k) Plan STERIS Stock Fund which equals 1,035 Common share equivalents as of October 29, 2015. This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 1,700 ordinary shares of New STERIS for $22.83 per share, subject to the same terms and conditions that were applicable to the original STERIS option. This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 700 ordinary shares of New STERIS for $31.87 per share, subject to the same terms and conditions that were applicable to the original STERIS option. This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 650 ordinary shares of New STERIS for $36.09 per share, subject to the same terms and conditions that were applicable to the original STERIS option. This option becomes exercisable as follows: 875 on May 30, 2016. This option was assumed by New STERIS in the Merger and converted to an option to purchase 3,500 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: 1,000 on May 31, 2016 and 1,000 on May 31, 2017. This option was assumed by New STERIS in the Merger and converted to an option to purchase 4,000 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: 2,250 on May 30, 2016; 2,250 on May 30, 2017 and 2,250 on May 30, 2018. This option was assumed by New STERIS in the Merger and converted to an option to purchase 9,000 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: 2,000 on May 28, 2016; 2,000 on May 28, 2017; 2,000 on May 28, 2018; and 2,000 on May 28, 2019. This option was assumed by New STERIS in the Merger and converted to an option to purchase 8,000 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