SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 14)*
AIRGAS, INC.
______________________________________________
(Name of Issuer)
COMMON STOCK
______________________________________________
(Title of Class of Securities)
009363 10 2
__________________________
(CUSIP Number)
December 31, 2004
_______________________________________________________
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[ ] Rule 13d-1(c)
[X] Rule 13d-1(d)
*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities,
and for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.
The information required in the remainder of this cover page shall not be
deemed to be "filed" for the purpose of Section 18 of the Securities Exchange
Act of 1934 ("Act") or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act
(however, see the Notes).
(Continued on following page(s))
Page 1 of 6 pages
CUSIP No. 009363 10 2 13G Page 2 of 6 pages
___________ __ __
______________________________________________________________________________
1. NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Peter McCausland
______________________________________________________________________________
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) [ ]
(b) [X]
______________________________________________________________________________
3. SEC USE ONLY
______________________________________________________________________________
4. CITIZENSHIP OR PLACE OF ORGANIZATION
United States
______________________________________________________________________________
5. SOLE VOTING POWER
807,984
_________________________________________________________
NUMBER OF 6. SHARED VOTING POWER
SHARES
BENEFICIALLY 10,248,061
OWNED BY ___________________________________________________________
EACH 7. SOLE DISPOSITIVE POWER
REPORTING
PERSON 807,984
WITH ___________________________________________________________
8. SHARED DISPOSITIVE POWER
10,248,061
______________________________________________________________________________
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
11,056,045
______________________________________________________________________________
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
______________________________________________________________________________
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
14.5%
______________________________________________________________________________
12. TYPE OF REPORTING PERSON*
IN
______________________________________________________________________________
CUSIP No. 009363 10 2 13G Page 3 of 6 pages
___________ __ __
______________________________________________________________________________
Item 1(a) Name of Issuer
______________
Airgas, Inc.
Item 1(b) Address of Issuer's Principal Executive Offices
_______________________________________________
Airgas, Inc.
Radnor Court
259 North Radnor-Chester Road, Suite 100
Radnor, Pennsylvania 19087-5283
Item 2(a) Name of Person Filing
____________________
Peter McCausland
Item 2(b) Address of Principal Business Office, or, if none, Residence
____________________________________________________________
Airgas, Inc.
Radnor Court
259 North Radnor-Chester Road, Suite 100
Radnor, Pennsylvania 19087-5283
Item 2(c) Citizenship
___________
United States
Item 2(d) Title of Class of Securities
____________________________
Common Stock, par value $.01 per share
Item 2(e) CUSIP Number
____________
009363 10 2
CUSIP No. 009363 10 2 13G Page 4 of 6 pages
___________ __ __
______________________________________________________________________________
Item 3 If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or
(c), Check Whether the Person Filing is a:
(a) __ Broker or dealer registered under Section 15 of the Exchange
Act;
(b) __ Bank as defined in Section 3(a)(6) of the Exchange Act;
(c) __ Insurance company as defined in Section 3(a)(19) of the
Exchange Act;
(d) __ Investment company registered under Section 8 of the
Investment Company Act;
(e) __ An investment adviser in accordance with
Rule 13d-1(b)(1)(ii)(E);
(f) __ An employee benefit plan or endowment fund in accordance with
Rule 13d-1(b)(1)(ii)(F);
(g) __ A parent holding company or control person in accordance with
Rule 13d-1(b)(1)(ii)(G);
(h) __ A savings association as defined in Section 3(b) of the
Federal Deposit Insurance Act;
(i) __ A church plan that is excluded from the definition of an
investment company under Section 3(c)(14) of the Investment
Company Act;
(j) __ Group, in accordance with Rule 13d-1(b)(1)(ii)(J).
Item 4 Ownership
_________
(a) and (b). Peter McCausland beneficially owned an aggregate of
11,056,045 shares of the issuer's Common Stock, or approximately 14.5% of
the shares outstanding, as of December 31, 2004, of which 987,750 shares
were issuable upon exercise of employee stock options.
(c). Peter McCausland had sole power to vote or to direct the vote,
and sole power to dispose or to direct the disposition of, 807,984 shares of
the issuer's Common Stock, of which 751,486 shares were issuable upon exercise
of employee stock options. Mr. McCausland had shared power to vote or to
direct the vote, and/or shared power to dispose or to direct the disposition
of, 10,248,061 shares of the Common Stock, which included 236,264 shares
issuable upon exercise of stock options held by a trust for Mr. McCausland's
children, and 41,542 shares held by a charitable foundation (the "Foundation")
of which Mr. McCausland is an officer and director.
CUSIP No. 009363 10 2 13G Page 5 of 6 pages
___________ __ __
______________________________________________________________________________
Item 5 Ownership of Five Percent or Less of a Class
____________________________________________
Not applicable
Item 6 Ownership of More than Five Percent on Behalf of Another Person
_______________________________________________________________
No other person is known to have the right to receive or the power to
direct the receipt of dividends from, or the proceeds from the sale of, the
issuer's shares which are the subject of this Schedule 13G, except that, with
respect to 10,206,519 shares, members of Mr. McCausland's family share with
Mr. McCausland the right, and, with respect to 41,542 shares, the Foundation
has the exclusive right, to receive the dividends from and the proceeds of sale
as to such shares.
Item 7 Identification and Classification of the Subsidiary Which Acquired
the Security Being Reported on By the Parent Holding Company
__________________________________________________________________
Not Applicable
Item 8 Identification and Classification of Members of the Group
_________________________________________________________
Not Applicable
Item 9 Notice of Dissolution of Group
______________________________
Not Applicable
Item 10 Certification
_____________
Not Applicable
CUSIP No. 009363 10 2 13G Page 6 of 6 pages
___________ __ __
______________________________________________________________________________
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
February 14, 2005
__________________________________
Date
/s/ Peter McCausland
____________________
Peter McCausland