X0306 4 2013-08-08 0 0000815065 STERIS CORP STE 0001300622 Breeden Richard C C/O BREEDEN CAPITAL MANAGEMENT LLC 100 NORTHFIELD STREET GREENWICH CT 06830 1 0 0 0 Common Shares, No Par Value 83329 I See footnotes Common Shares, No Par Value 25295 D Option to Purchase Common Shares 43.92 2013-08-08 4 A 0 4657 0 A 2023-08-08 Common Shares, No Par Value 4657 20482 D Career Restricted Stock Units 2013-08-08 4 A 0 3016 0 A Common Shares, No Par Value 3016 3016 D Richard C. Breeden is the managing member of Breeden Capital Partners LLC and the managing member and chairman and chief executive officer of Breeden Capital Management LLC. Breeden Capital Partners LLC is in turn the general partner of Breeden Partners L.P. (the "Fund"). Pursuant to Rule 16a-1(a)(2)(ii)(B) of the Securities Exchange Act of 1934, as amended, Mr. Breeden in his capacity as managing member, as well as chairman and chief executive officer of Breeden Capital Management LLC and as the managing member of Breeden Capital Partners LLC, may be deemed to be the indirect beneficial owner of the shares of common stock of the Issuer (the "Common Stock") owned by the Fund; however, he disclaims beneficial ownership of such shares except to the extent of his pecuniary interest therein. On August 8, 2013, the Issuer granted 4,657 stock options to Mr. Breeden as compensation for services rendered as a director of the Issuer. Pursuant to the governing documents of the Fund, any economic interests realized with respect to these stock options will be distributed to the Fund. The stock options reported herein are fully vested immediately. Includes previously granted stock options with different terms of exercisability. Pursuant to the governing documents of the Fund, any economic interests realized with respect to these stock options will be distributed to the Fund. Each Career Restricted Stock Unit represents the right to receive one share of Common Stock six months after the cessation of Mr. Breeden's service as a director of the Issuer. On August 8, 2013, the Issuer granted 3,016 Career Restricted Stock Units of the Issuer to Mr. Breeden as compensation for services rendered as a director of the Issuer. Pursuant to the governing documents of the Fund, any economic interests realized with respect to these Career Restricted Stock Units will be distributed to the Fund. Each Career Restricted Stock Unit is fully vested immediately and will be settled in shares of Common Stock six months after the cessation of Mr. Breeden's service as a director of the Issuer. /s/ Richard C. Breeden 2013-08-12