Sec Form 4 Filing - Tamaro Renato @ STERIS plc - 2020-06-01

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 Tamaro Renato 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) V.P. & Corporate Treasurer (Last) (First) (Middle) C/O 70 SIR JOHN ROGERSON'S QUAY 3. Date of Earliest Transaction (MM/DD/YY) 06/01/2020 (Street) DUBLIN, L22 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 06/01/2020 A 584 ( 1 ) A $ 0 5,061 D Ordinary Shares 06/01/2020 D 132 ( 2 ) D $ 165.65 4,929 ( 3 ) 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) $ 182.22 06/01/2020 A 3,536 ( 4 ) 06/01/2030 Ordinary Shares 3,536 $ 0 3,536 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Tamaro Renato C/O 70 SIR JOHN ROGERSON'S QUAY DUBLIN, L22 V.P. & Corporate Treasurer Signatures /s/ Ronald E. Snyder, Authorized Representative under Power of Attorney 06/03/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )All 584 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse on June 3, 2024. ( 2 )132 shares were withheld from the 400 restricted shares that vested on June 1, 2020. These 132 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 400 ordinary shares were awarded to Mr. Tamaro on June 1, 2016. ( 3 )2,036 of these ordinary share are restricted. The restrictions on these ordinary shares lapse as follows: 412 on June 1, 2021; 484 on May 31, 2022; 556 on May 31, 2023 and 584 on June 3, 2024. ( 4 )This option becomes exercisable as follows: 884 on June 1, 2021; 884 on June 1, 2022; 884 on June 1, 2023 and 884 on June 3, 2024.

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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