Airgas Announces Second Quarter Earnings Release Schedule.

RADNOR, Pa. -- Airgas, Inc. (NYSE:ARG) will release its second quarter earnings shortly after 4:00 p.m. ET on Wednesday, October 24, 2007, and will host a teleconference at 11:00 a.m. ET on Thursday, October 25, 2007. The presentation materials will be available on the Internet at http://www.shareholder.com/arg/slides.cfm by 5 p.m. on October 24. A web cast of the teleconference will be available live and on demand through November 23 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 November 1. To listen, call [phone] and enter passcode 9116664.

About Airgas, Inc.

Airgas, Inc. (NYSE:ARG), through its subsidiaries, is the largest U.S. distributor of industrial, medical, and specialty gases, and hardgoods, such as welding equipment and supplies. Airgas is also one of the largest U.S. distributors of safety products, the largest U.S. producer of nitrous oxide and dry ice, the largest liquid carbon dioxide producer in the Southeast, and a leading distributor of process chemicals, refrigerants, and ammonia products. More than 14,000 employees work in over 1,100 locations, including 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, please visit www.airgas.com.