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 * Rosebrough Walter M Jr   2. Issuer Name and Ticker or Trading Symbol STERIS CORP [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) 5960 HEISLEY ROAD 3. Date of Earliest Transaction (Month/Day/Year) 12/02/2014 (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 12/02/2014   M   35,000 A $ 28.32 111,274 D   Common Shares, No Par Value 12/02/2014   F   24,766 D $ 63.85 (1) 86,508 D   Common Shares, No Par Value 12/02/2014   M   100,000 A $ 28.32 186,508 D   Common Shares, No Par Value 12/02/2014   F   70,759 D $ 63.85 (1) 115,749 D   Common Shares, No Par Value 12/02/2014   M   98,200 A $ 30.84 213,949 D   Common Shares, No Par Value 12/02/2014   F   71,522 D $ 63.85 (1) 142,427 D   Common Shares, No Par Value 12/02/2014   M   75,000 A $ 22.83 217,427 D   Common Shares, No Par Value 12/02/2014   F   49,680 D $ 63.85 (1) 167,747 D   Common Shares, No Par Value 12/03/2014   G V 3,000 (9) D $ 0 164,747 D   Common Shares, No Par Value 12/03/2014   G V 40,000 (10) D $ 0 124,747 (2) D   Common Shares, No Par Value 12/03/2014   G V 40,000 A $ 0 45,460 I See Footnote Below. (3) Common Shares, No Par Value               40,000 I See Footnote Below. (4) Common Shares, No Par Value               4,540 I See Footnote Below. (5)

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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)

$ 28.32

12/02/2014

M

35,000

(6)

10/01/2017

Common Shares, No Par Value

35,000

$ 0

0

D

Employee Stock Option (right to buy)

$ 28.32

12/02/2014

M

100,000

(6)

10/01/2017

Common Shares, No Par Value

100,000

$ 0

0

D

Employee Stock Option (right to buy)

$ 30.84

12/02/2014

M

98,200

(7)

05/21/2018

Common Shares, No Par Value

98,200

$ 0

0

D

Employee Stock Option (right to buy)

$ 22.83

12/02/2014

M

75,000

(8)

05/21/2019

Common Shares, No Par Value

75,000

$ 0

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Rosebrough Walter M Jr 5960 HEISLEY ROAD MENTOR, OH 44060	X		President & CEO

Signatures

/s/ Dennis P. Patton, Authorized Representative under Power of Attorney		12/04/2014
**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)	Closing market price on the NYSE on the day on which the cashless stock option transaction occurred.
(2)	75,247 of these Common Shares are held by the Reporting Person as Trustee of a revocable trust established for his benefit and 49,500 of these Common Shares are restricted and also are held by the Reporting Person as Trustee of a revocable trust established for his benefit. The restrictions on the restricted Common Shares lapse as follows: 3,750 on June 1, 2015; 5,000 on June 1, 2015; 5,000 on May 31, 2016; 6,250 on June 1, 2015; 6,250 on May 31, 2016; 6,250 on May 31, 2017; 4,250 on June 1, 2015; 4,250 on May 30, 2016; 4,250 on May 30, 2017 and 4,250 on May 30, 2018.
(3)	These shares are held in a revocable trust of the Reporting Person's spouse as Trustee established for her benefit.
(4)	These shares are held in an irrevocable trust of the Reporting Person as Trustee established for the benefit of the children of the Reporting Person and the Reporting Person's Spouse.
(5)	These shares are held in an irrevocable trust of the Reporting Person as Trustee established for the benefit of the grandchildren of the Reporting Person and the Reporting Person's Spouse.
(6)	These options became exercisable in 25% increments on October 1, 2008, October 1, 2009, October 1, 2010 and October 1, 2011.
(7)	These options became exercisable in 25% increments on May 21, 2009, May 21, 2010, May 21, 2011 and May 21, 2012.
(8)	These options became exercisable in 25% increments on May 21, 2010, May 21, 2011, May 21, 2012 and May 21, 2013.
(9)	This transaction involved a transfer of shares by the Reporting Person, as Trustee, from the Reporting Person's revocable trust, established for his benefit, to a tax-exempt charity.
(10)	This transaction involved a transfer of shares by the Reporting Person, as Trustee, from the Reporting Person's revocable trust, established for his benefit, to his spouse, as Trustee of a revocable trust established for her benefit.

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