X0306 4 2015-11-02 1 0000815065 STERIS CORP STE 0001232574 MCMULLEN KEVIN M C/O 5960 HEISLEY ROAD MENTOR OH 44060 1 0 0 0 Common Shares, No Par Value 2015-11-02 4 D 0 34338 D 0 D Director Stock Option (right to buy) 27.68 2015-11-02 4 D 0 3387 D 2017-07-27 Common Shares, No Par Value 3387 0 D Director Stock Option (right to buy) 34.17 2015-11-02 4 D 0 2744 D 2018-07-31 Common Shares, No Par Value 2744 0 D Director Stock Option (right to buy) 28.08 2015-11-02 4 D 0 3609 D 2019-07-31 Common Shares, No Par Value 3609 0 D Director Stock Option (right to buy) 32.34 2015-11-02 4 D 0 3133 D 2020-08-04 Common Shares, No Par Value 3133 0 D Director Stock Option (right to buy) 31.61 2015-11-02 4 D 0 3121 D 2021-08-03 Common Shares, No Par Value 3121 0 D Director Stock Option (right to buy) 32.36 2015-11-02 4 D 0 3218 D 2022-08-03 Common Shares, No Par Value 3218 0 D 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. This option is fully vested. This option was assumed by New STERIS in the Merger and converted to an option to purchase 3,387 ordinary shares of New STERIS for $27.68 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 2,744 ordinary shares of New STERIS for $34.17 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 3,609 ordinary shares of New STERIS for $28.08 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 3,133 ordinary shares of New STERIS for $32.34 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 3,121 ordinary shares of New STERIS for $31.61 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 3,218 ordinary shares of New STERIS for $32.36 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