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SEC FORM 4 SEC Form 4
FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940 		 
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person*
Chapman Timothy L
(Last) (First) (Middle)
5960 HEISLEY ROAD
(Street)
MENTOR OH 44060
(City) (State) (Zip)
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 VP & Grp. Pres., Healthcare
3. Date of Earliest Transaction (Month/Day/Year)
05/31/2013
4. If Amendment, Date of 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
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 05/31/2013 A 6,000 A $0 21,581(1) D
Common Shares, No Par Value 20,969 I See Footnote Below.(2)
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 Securities Underlying Derivative Security (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: 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
Option to Purchase Common Shares $45.34 05/31/2013 A 25,000 (3) 05/31/2023 Common Shares, No Par Value 25,000 $0 25,000 D
Explanation of Responses:
1. 19,200 of these Common Shares are restricted. The restrictions on these Common Shares lapse as follows: 4,500 on May 20, 2014, 3,700 on June 1, 2015, 5,000 on May 31, 2016 and 6,000 on May 31, 2017.
2. These shares are held in The Sharon A. Chapman 2007 Amended & Restated Revocable Trust UAD 7/20/2007 for the benefit of the Reporting Person's spouse. The Reporting Person and the Reporting Person's spouse are co-trustees of the trust. The Reporting Person disclaims beneficial ownership of these securities, except to the extent of his pecuniary interest therein.
3. These options become exercisable as follows: 6,250 on May 31, 2014, 6,250 on May 31, 2015, 6,250 on May 31, 2016 and 6,250 on May 31, 2017.
/s/ Dennis P. Patton, Authorized Representative under Power of Attorney 06/03/2013
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
rrd343492_388348.html 
Securities and Exchange Commission
Washington, D.C. 20549
RE:   STERIS Corporation
Commission File No. 0-20165
1933 Act and 1934 Act Filings

Authorized Representatives

Gentlemen:

      The above Company is the issuer of securities registered under Section 12 of the Securities
Exchange Act of 1934. The person signing below confirms, as of the date appearing opposite his
signature, that each of the "Authorized Representatives" named below is authorized on his behalf
to sign such statements (on Form 3, Form 4, Form 5, Form 144, Schedule 13G, or otherwise) with
respect to securities of the Company (the "Securities"), and to submit to the Securities and
Exchange Commission such filings (including reports, notices, and other statements) with respect
to the Securities, as are required by the Securities Act of 1933 or the Securities Exchange Act of
1934 (collectively, the "Acts"). The person so signing also confirms the authority of each of the
Authorized Representatives to do and perform, on his behalf, any and all acts and things with
respect to the Securities requisite or necessary to assure compliance by the signing person with the
filing requirements of the Acts. The authority confirmed herein shall remain in effect as to the
person signing below until such time as the Commission shall receive from that person a written
communication terminating or modifying the authority.

Authorized Representatives
 Mark D. McGinley
 Michael J. Tokich
 Ronald E. Snyder
 Dennis P. Patton
 J. Adam Zangerle

Dated:  January 14, 2008				By:  /s/ Timothy Chapman