Airgas Announces Fourth Quarter Earnings Release Schedule

Airgas, Inc. (NYSE: ARG), one of the nation’s leading suppliers of industrial, medical, and specialty gases, and related products, today announced that it will release its fiscal 2015 fourth quarter earnings before the market opens on Thursday, April 30, 2015, and will host a teleconference at 10:00 a.m. ET that same day. The presentation materials will also be available online before the market opens on April 30 at http://investor.shareholder.com/arg/slides.cfm. A webcast of the teleconference will be available live and on demand through May 28 at http://investor.shareholder.com/arg/events.cfm.

The teleconference will be available by calling 888-318-7470 (U.S./Canada) or 719-457-2702 (International). A replay of the teleconference will be available through May 7. To listen, call 888-203-1112 (U.S./Canada) or 719-457-0820 (International) and enter passcode 7770262.

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 16,000 associates 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 e-Business, 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.

Airgas, Inc.Investor Contact:Joseph Marczely, [e-mail] Contact:Sarah Boxler, [e-mail]