X0202 4 2007-06-19 0000804212 AIRGAS INC ARG 0001237791 VISINTAINER PATRICK M C/O AIRGAS, INC. 259 N. RADNOR-CHESTER RD, STE. 100 RADNOR PA 19087 0 1 0 0 Senior Vice President, Sales Common Stock 2007-06-19 4 M 0 3000 15.25 A 7116 D Common Stock 2007-06-19 4 M 0 6000 15.94 A 13116 D Common Stock 2007-06-19 4 S 0 3000 43.50 D 10116 D Common Stock 2007-06-19 4 S 0 6000 43.50 D 4116 D Common Stock 553 I By 401(k) plan Common Stock 100 I By immediate family Stock Option (Right to Buy) 15.25 2007-06-19 4 M 0 3000 A 2008-04-27 Common Stock 3000 0 D Stock Option (Right to Buy) 15.94 2007-06-19 4 M 0 6000 A 2008-05-14 Common Stock 6000 0 D Includes 4,116 shares of Airgas, Inc. common stock acquired pursuant to Airgas, Inc.'s Employee Stock Purchase Plan ("ESPP") as of 6/20/2007, the date of the latest available statement of the reporting person's ESPP holdings. Since 2/22/06, the date of the statement relied upon for the amount reported on the reporting person's 2/22/06 Form 4, a total of 158 ESPP shares have been acquired in transactions exempt from Section 16(b). This information presented is as of 6/20/2007, the date of the latest available statement of the reporting person's holdings of Airgas, Inc. common stock in his 401(k) plan. 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 These options became exercisable in 25% equal increments on each of 4/27/1999, 4/27/2000, 4/27/2001 and 4/27/2002. Not applicable. These options became exercisable in 25% equal increments on each of 5/14/1999, 5/14/2000, 5/14/2001 and 5/14/2002. Dean A. Bertolino, Attorney-in-Fact for Patrick M. Visintainer 2007-06-21