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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1. Name and Address of Reporting Person * Pahwa Sudhir K   2. Issuer Name and Ticker or Trading Symbol STERIS CORP [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., IPT (Last) (First) (Middle) 5960 HEISLEY ROAD 3. Date of Earliest Transaction (Month/Day/Year) 06/01/2015 (Street) MENTOR, OH 44060 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 Common Shares, No Par Value 06/01/2015   F   240 (1) D $ 67.46 (2) 20,299.7296 D   Common Shares, No Par Value 06/01/2015   F   410 (3) D $ 67.46 (2) 19,889.7296 D   Common Shares, No Par Value 06/01/2015   F   354 (4) D $ 67.46 (2) 19,535.7296 D   Common Shares, No Par Value 06/01/2015   F   247 (5) D $ 67.46 (2) 19,288.7296 (6) D

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Pahwa Sudhir K 5960 HEISLEY ROAD MENTOR, OH 44060			Sr. V.P., IPT

Signatures

/s/ Dennis P. Patton, Authorized Representative under Power of Attorney		06/03/2015
**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)	240 shares were withheld from the 750 restricted shares that vested on June 1, 2015. These 240 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 750 shares were awarded to Mr. Pahwa on May 31, 2011 as part of an award of 3,000 restricted shares. These vested shares were valued at the NYSE closing market price on June 1, 2015.
(2)	Closing market price on the NYSE on the day on which the restricted shares vested.
(3)	410 shares were withheld from the 1,250 restricted shares that vested on June 1, 2015. These 410 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 1,250 shares were awarded to Mr. Pahwa on May 30, 2012 as part of an award of 5,000 restricted shares. These vested shares were valued at the NYSE closing market price on June 1, 2015.
(4)	354 shares were withheld from the 1,075 restricted shares that vested on June 1, 2015. These 354 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 1,075 shares were awarded to Mr. Pahwa on May 31, 2013 as part of an award of 4,300 restricted shares. These vested shares were valued at the NYSE closing market price on June 1, 2015.
(5)	247 shares were withheld from the 750 restricted shares that vested on June 1, 2015. These 247 shares represent the value of the taxes required to be withheld pursuant to applicable employment or tax laws, as determined by the Issuer. These 750 shares were awarded to Mr. Pahwa on May 30, 2014 as part of an award of 3,000 restricted shares. These vested shares were valued at the NYSE closing market price on June 1, 2015.
(6)	5,650 of these Common Shares are restricted. The restrictions on these Common Shares lapse as follows: 1,250 on May 31, 2016; 1,075 on May 31, 2016; 1,075 on May 31, 2017; 750 on May 30, 2016; 750 on May 30, 2017 and 750 on May 30, 2018. 2,027.6908 of these Common Shares are jointly held by the Reporting Person and his spouse in a joint brokerage account.

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