DuPont/Norfolk Southern/Airgas Team Up for TRANSCAER® NH3 Tour

TRANSCAER® partners Norfolk Southern Railroad, DuPont, and Airgas combined resources to present the TRANSCAER® Sponsored Anhydrous Ammonia Tour during a six week span Whistle-Stop style tour.

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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. Approximately 17,000 associates work in more than 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.

Investor Contact:

Joseph Marczely 610-263-8277

Media Contact:

Sarah Boxler 610-263-8260