Airgas Announces First Quarter Earnings Release Schedule.

RADNOR, Pa. -- Airgas, Inc. (NYSE:ARG) will release its first quarter earnings at approximately 4:30 pm ET on Wednesday, July 27, 2005 and will host a teleconference at 11:00 am ET on Thursday, July 28, 2005. The presentation materials will be available on the Internet at http://www.shareholder.com/arg/slides.cfm by 5pm on July 27. A web cast of the teleconference will be available live and on demand through August 26 at http://www.shareholder.com/arg/medialist.cfm.

The teleconference will be available by calling [phone]. A replay of the teleconference will be available through August 5. To listen, call [phone] and enter passcode 1512394.

Airgas, Inc. is the largest distributor of industrial, medical and specialty gases and welding equipment and one of the largest distributors of safety supplies in the United States. Its integrated network of about 900 locations includes branches, retail stores, gas fill plants, specialty gas labs, production facilities and distribution centers. Airgas also distributes its products and services through eBusiness, catalog and telesales channels. Its national scale and strong local presence offer a competitive edge to its diversified customer base. For more information on Airgas, please visit www.airgas.com.