Airgas, Inc. (NYSE: ARG) will release its fiscal 2013 first quarter earnings before the market opens on Wednesday, July 25, 2012, and will host a teleconference at 10:00 a.m. ET that same day. The presentation materials will also be available before the market opens on July 25 on the Internet at http://investor.shareholder.com/arg/slides.cfm. A webcast of the teleconference will be available live and on demand through August 23 at http://investor.shareholder.com/arg/events.cfm.

The teleconference will be available by calling (888) 539-3686. A replay of the teleconference will be available through August 2. To listen, call (888) 203-1112 and enter passcode 6307460.

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 a leading U.S. producer of atmospheric gases, carbon dioxide, dry ice, and nitrous oxide, one of the largest U.S. distributors of safety products, and a leading U.S. distributor of refrigerants, ammonia products, and process chemicals. More than 15,000 employees work in approximately 1,100 locations, including branches, retail stores, gas fill plants, specialty gas labs, production facilities and distribution centers. Airgas also markets 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.

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