Airgas, Inc. (NYSE: ARG) will release its fiscal 2013 second quarter earnings before the market opens on Tuesday, October 23, 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 October 23 on the Internet at http://investor.shareholder.com/arg/slides.cfm. A webcast of the teleconference will be available live and on demand through November 23 at http://investor.shareholder.com/arg/events.cfm. The teleconference will be available by calling (888) 204-4368 (U.S./Canada) or (913) 312-0968 (International). A replay of the teleconference will be available through October 31. To listen, call (888) 203-1112 (U.S./Canada) or (719) 457-0820 (International) and enter passcode 8448259. About Airgas, Inc. Airgas, Inc. (NYSE: ARG), through its subsidiaries, is one of the nation’s leading suppliers of industrial, medical and specialty gases, and hardgoods, such as welding equipment and related products. Airgas is a leading U.S. producer of atmospheric gases with 16 air separation plants, a leading producer of carbon dioxide, dry ice, and nitrous oxide, one of the largest U.S. suppliers of safety products, and a leading U.S. supplier 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.