Sec Form 4 Filing - Zangerle John Adam @ Steris plc - 2016-12-13

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Zangerle John Adam 2. Issuer Name and Ticker or Trading Symbol Steris plc [ STE] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) VP, Gen Counsel, and Sec. (Last) (First) (Middle) C/O CHANCERY HOUSE, 190 WATERSIDE ROAD, HAMILTON INDUSTRIAL PARK 3. Date of Earliest Transaction (MM/DD/YY) 12/13/2016 (Street) LEICESTER, X0LE5 1QZ 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Ordinary Shares, 0.10 par value 12/13/2016 M 3,100 ( 1 ) A $ 30.84 26,589 D Ordinary Shares, 0.10 par value 12/13/2016 S 3,100 D $ 69 23,489 ( 2 ) D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Employee Stock Option (right to buy) $ 30.84 12/13/2016 M 3,100 ( 3 ) 05/21/2018 Ordinary Shares 3,100 ( 3 ) 0 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Zangerle John Adam C/O CHANCERY HOUSE, 190 WATERSIDE ROAD HAMILTON INDUSTRIAL PARK LEICESTER, X0LE5 1QZ VP, Gen Counsel, and Sec. Signatures /s/ Ronald E. Snyder, Authorized Representative under Power of Attorney 12/14/2016 Signature of Reporting Person Date

Explanation of Responses:

( 1 )This exercise and sale of a total of 3,100 ordinary shares is pursuant to a Rule 10b5-1 Stock Trading Plan entered into by the Reporting Person on September 1, 2016. ( 2 )16,752 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 5,000 on May 31, 2017; 2,252 on May 30, 2018; 3,000 on May 28, 2019; 2,500 on June 1, 2020 and 4,000 on October 1, 2019. ( 3 )This option to purchase 3,100 STERIS plc ordinary shares, which is fully vested, was received in the Merger in exchange for an option to purchase 3,100 STERIS Corporation common shares for $30.84 per share, subject to the same terms and conditions as the original STERIS Corporation stock option.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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