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
OMB APPROVAL
OMB Number: 3235-0287
Estimated average burden
hours per response: 0.5
  
 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*
MCCAUSLAND PETER
(Last) (First) (Middle)
C/O AIRGAS, INC.
259 N. RADNOR-CHESTER RD, STE. 100
(Street)
RADNOR PA 19087
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
AIRGAS INC [ ARG ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
X Director X 10% Owner
X Officer (give title below) Other (specify below)
Executive Chariman
3. Date of Earliest Transaction (Month/Day/Year)
11/26/2012
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X 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 Stock 11/26/2012 S 1,200,000 D $88.6 6,806,139(1) D
Common Stock 96,540(2) I By trusts
Common Stock 48,583(3) I By 401(k) plan
Common Stock 1,500(4) I By immediate family
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
1. Name and Address of Reporting Person*
MCCAUSLAND PETER
(Last) (First) (Middle)
C/O AIRGAS, INC.
259 N. RADNOR-CHESTER RD, STE. 100
(Street)
RADNOR PA 19087
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
X Director X 10% Owner
X Officer (give title below) Other (specify below)
Executive Chariman
1. Name and Address of Reporting Person*
MCCAUSLAND BONNIE F
(Last) (First) (Middle)
ERDENHEIM FARM
P.O. BOX 274
(Street)
LAFAYETTE HILL PA 19444
(City) (State) (Zip)
Relationship of Reporting Person(s) to Issuer
Director X 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. Represents shares of Airgas, Inc. common stock jointly owned by Peter McCausland and Bonnie McCausland, except for 15,700 shares that are directly owned by Peter McCausland and indirectly owned by Bonnie McCausland.
2. Represents shares of Airgas, Inc. common stock held in two separate GRATs of which Peter McCausland and Bonnie McCausland are co-trustees and either he or she is a beneficiary.
3. The information presented is as of 10/24/2012. Since 3/31/2012, the date of the statement relied upon for the amount reported on Peter McCausland's Form 5 dated 5/14/2012, a total of 418 shares of common stock have been acquired in Peter McCausland's 401(k) plan through transactions exempt under Section 16(b).
4. Represents shares of Airgas, Inc. common stock owned directly by Bonnie McCausland and indirectly by Peter McCausland.
Remarks:
Robert H. Young, Jr., Attorney-in-Fact for Peter McCausland 11/28/2012
Robert H. Young, Jr., Attorney-in-Fact for Bonnie F. McCausland 11/28/2012
** 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.