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 *
Rosebrough Walter M Jr
   2. Issuer Name and Ticker or Trading Symbol
STERIS plc [STE] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President & CEO
(Last)
(First)
(Middle)
C/O RUTHERFORD HOUSE, STEPHENSONS WAY, CHADDESDEN		 3. Date of Earliest Transaction (Month/Day/Year)
12/03/2018
(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 12/03/2018   M   18,000 (1) A $ 29.94 66,895 D  
Ordinary Shares, 10 pence par value 12/03/2018   S   18,000 (1) D $ 120 48,895 (2) D  
Ordinary Shares, 10 pence par value 12/03/2018   G V 5,000 (3) D $ 0 13,000 I See Footnote Below. (4)

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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) $ 29.94 12/03/2018   M     18,000   (5) 05/30/2022 Ordinary Shares 18,000 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Rosebrough Walter M Jr
C/O RUTHERFORD HOUSE, STEPHENSONS WAY
CHADDESDEN
DERBY, X0 DE21 6LY		   X     President & CEO  

Signatures

 /s/ Ronald E. Snyder, Authorized Representative under Power of Attorney   12/06/2018
**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) This exercise and sale of a total of 18,000 ordinary shares is pursuant to a Rule 10b5-1 Stock Trading Plan entered into by the Reporting Person on November 28, 2018.
(2) These 48,895 ordinary shares are held by the Reporting Person as Trustee of a revocable trust established for his benefit. 37,375 of these Ordinary Shares are restricted. The restrictions on the restricted Ordinary Shares lapse as follows: 3,625 on May 28, 2019; 4,000 on May 30, 2019; 3,097 on May 31, 2019; 4,681 on June 3, 2019; 4,681 on June 1, 2020; 4,000 on June 1, 2020; 3,097 on June 1, 2020; 4,000 on June 1, 2021; 3,097 on June 1, 2021 and 3,097 on May 31, 2022.
(3) This gift of a total of 5,000 shares, held by the Reporting Person's Spouse as Trustee of a revocable trust established for her benefit, was pursuant to a Rule 10b5-1 Stock Trading Plan entered into by the Reporting Person's Spouse, as Trustee, on November 28, 2018.
(4) These ordinary shares are held by the Reporting Person's Spouse as Trustee of a revocable trust established for her benefit.
(5) This option to purchase 18,000 STERIS plc ordinary shares, which is fully vested, was received in the Merger in exchange for an option to purchase 18,000 STERIS Corporation common shares for $29.94 per share, subject to the same terms and conditions as the original STERIS stock option.

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