X0202 4 2006-02-22 0000804212 AIRGAS INC ARG 0001237791 VISINTAINER PATRICK M C/O AIRGAS, INC. 259 N. RADNOR-CHESTER ROAD, STE. 100 RADNOR PA 19087 0 1 0 0 Senior Vice President - Sales Common Stock 2006-02-22 4 M 0 1000 22.00 A 4958 D Common Stock 2006-02-22 4 M 0 2000 13.50 A 6958 D Common Stock 2006-02-22 4 S 0 3000 38.00 D 3958 D Common Stock 100 I By Immediate Family Common Stock 559 I By 401(k) Plan Stock Option (Right to Buy) 22.00 2006-02-22 4 M 0 1000 D 2006-05-24 Common Stock 1000 0 D Stock Option (Right to Buy) 13.50 2006-02-22 4 M 0 2000 D 2007-12-10 Common Stock 2000 0 D Includes 3,958 shares of Airgas, Inc. common stock acquired pursuant to the Airgas, Inc. 1998 Employee Stock Purchase Plan ("ESPP") as of 2/22/06, the date of the latest available statement of the reporting person's ESPP account. Since 6/22/2005, the date of the statement relied upon for the amount reported on the reporting person's 6/23/2005 Form 4, a total of 134 shares have been acquired in transactions exempt from Section 16(b) pursuant to Rule 16b-3(c). These shares are owned by a parent of the reporting person who does not live in the same household as the reporting person. The reporting person disclaims beneficial onwership of the securities, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for purposes of Section 16 or for any other purpose. The information presented is as of 06/22/06, the date of the latest available statement of the reporting person's holding of Airgas, Inc. common stock in his 401(k) plan. Options were exercisable in 25% annual increments on each of 5/24/1997, 5/24/1998, and 5/24/1999, 5/24/2000. Options were exercisable in 25% annual increments on each of 12/10/1998, 12/10/1999, 12/10/2000, and 12/10/2001. Not applicable. Dean A. Bertolino, Attorney-in-Fact for Patrick M. Visintainer 2006-02-24