Airgas Announces Third Quarter Earnings Release Schedule

Airgas, Inc. (NYSE:ARG) will release its third quarter earnings shortly after 4:00 p.m. ET on Monday, January 28, 2008, and will host a teleconference at 11:00 a.m. ET on Tuesday, January 29, 2008. The presentation materials will be available on the Internet at http://www.shareholder.com/arg/slides.cfm by 5 p.m. on January 28. A web cast of the teleconference will be available live and on demand through February 29 at http://www.shareholder.com/arg/medialist.cfm.

The teleconference will be available by calling 888-233-7976. A replay of the teleconference will be available through February 5. To listen, call (888) 203-1112 and enter passcode 8228341.

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.