Ownership Submission
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 OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
Bardwell Kathleen
   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)
Sr.V. P. & C.C.O.
(Last)
(First)
(Middle)
C/O RUTHERFORD HOUSE, STEPHENSONS WAY, CHADDESDEN		 3. Date of Earliest Transaction (Month/Day/Year)
05/31/2018
(Street)

DERBY, X0 DE21 6LY		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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, 10 pence par value 05/31/2018   A   1,572 (1) A $ 0 17,703 D  
Ordinary Shares, 10 pence par value 06/01/2018   F   150 (2) D $ 104.57 17,553 (3) D  

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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 (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 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
(Month/Day/Year)		 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) $ 114.22 05/31/2018   A   9,332     (4) 05/31/2028 Ordinary Shares 9,332 $ 0 9,332 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Bardwell Kathleen
C/O RUTHERFORD HOUSE, STEPHENSONS WAY
CHADDESDEN
DERBY, X0 DE21 6LY		       Sr.V. P. & C.C.O.  

Signatures

 /s/ Ronald E. Snyder, Authorized Representative under Power of Attorney   06/04/2018
**Signature of Reporting Person Date

Explanation of Responses:

* 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).
(1) All 1,572 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 393 on May 31, 2019; 393 on June 1, 2020; 393 on June 1, 2021 and 393 on May 31, 2022.
(2) 150 shares were withheld from the 500 restricted shares that vested on June 1, 2018. These 150 ordinary shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 500 ordinary shares were awarded to Ms. Bardwell on June 1, 2016 as part of an award of 2,000 restricted shares. These vested shares were valued at the NYSE closing market price on June 1, 2017. The remaining restrictions on these ordinary shares lapse as follows: 500 on June 3, 2019 and 500 on June 1, 2020.
(3) 5,447 of these ordinary shares are restricted. The restrictions on these ordinary shares lapse as follows: 375 on October 1, 2018; 625 on May 28, 2019; 500 on May 30, 2019; 393 on May 31, 2019; 500 on June 3, 2019; 375 on October 1, 2019; 500 on June 1, 2020; 500 on June 1, 2020; 393 on June 1, 2020; 500 on June 1, 2021; 393 on June 1, 2021 and 393 on May 31, 2022.
(4) This option becomes exercisable as follows: 2,333 on May 31, 2019; 2,333 on June 1, 2020; 2,333 on June 1, 2021 and 2,333 on May 31, 2022.

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