Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Tamaro Renato
 2. Date of Event Requiring Statement (Month/Day/Year)
08/01/2017		 3. Issuer Name and Ticker or Trading Symbol
Steris plc [STE]
(Last)
(First)
(Middle)
5960 HEISLEY RD.		 4. 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
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MENTOR, OH 44060		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Ordinary Shares, 10 pence par value 3,912 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy)   (2) 05/28/2025 Ordinary Shares 600 $ 66.15 D  
Employee Stock Option (right to buy)   (3) 06/01/2026 Ordinary Shares 596 $ 69.72 D  
Employee Stock Option (right to buy)   (4) 05/30/2027 Ordinary Shares 600 $ 77.07 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Tamaro Renato
5960 HEISLEY RD.
MENTOR, OH 44060		       V.P. & Corporate Treasurer  

Signatures

/s/ Ronald E. Snyder, Authorized Representative under Power of Attorney 08/11/2017
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) 2,412 of these shares are restricted. The restrictions on the ordinary shares lapse as follows: 500 on May 30, 2018; 500 on May 28, 2019; 600 on October 1, 2019; 400 on June 1, 2020; and 412 on June 1, 2021.
(2) This option becomes exercisable as follows: 150 on May 31, 2016; 150 on May 30, 2017; 150 on May 29, 2018; and 150 on May 28, 2019.
(3) This option becomes exercisable as follows: 149 on June 1, 2017; 149 on June 1, 2018; 149 on June 3, 2019; and 149 on June 1, 2020.
(4) This option becomes exercisable as follows: 150 on May 30, 2018; 150 on May 30, 2019; 150 on June 1, 2020; and 150 on June 1, 2021.

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