X0201 42003-09-04 0000804212 AIRGAS INC ARG 0001237791 VISINTAINER PATRICK M 0100Senior Vice President, SalesCommon Stock2003-09-044M011255.50A4585DCommon Stock2003-09-044S0112518.75D3460DCommon Stock2003-09-054M052005.50A8660DCommon Stock2003-09-054M0600011.50A14660DCommon Stock2003-09-054S01120018.60D3460DCommon Stock2003-09-054J000A552IBy 401(k) PlanCommon Stock2003-09-054J000A40IBy Immediate FamilyStock Option (Right to Buy)5.502003-09-044M01125D2010-05-15Common Stock112511525DStock Option (Right to Buy)5.502003-09-054M05200D2010-05-15Common Stock52006325DStock Option (Right to Buy)11.502003-09-054M06000D2009-05-17Common Stock60009750DIncludes 3,460 shares of Airgas, Inc. common stock acquired pursuant to the Airgas, Inc. 1998 Employee Stock Purchase Plan ("ESPP") as of 8/13/2003, the date of the latest available statement of the reporting person's ESPP account. Since 3/31/2002, the date of the statement relied upon for the amount reported on the reporting person's June 2002 Form 4, a total of 361 shares have been acquired in transactions exempt from Section 16(b) pursuant to Rule 16b-3(c).There are no tranasctions to report relating to the indirect ownership of these shares of Airgas, Inc. common stock.The information presented is as of 7/16/2003, the date of the latest available statement of the reporting person's holdings of Airgas, Inc. common stock in his 401(k) plan. Options become exercisable in 25% annual increments on each of 5/16/2001, 5/16/2002, 5/16/2003 and 5/16/2004.Not applicable.Options become exercisable in 25% annual increments on each of 5/18/2000, 5/18/2001, 5/18/2002 and 5/18/2003.Dean A. Bertolino, Attorney-in-Fact for Patrick M. Visintainer2003-09-08