Airgas EVP and COO to Present at Baird Industrial Conference

RADNOR, Pa.--(Business Wire)--
Airgas, Inc. (NYSE: ARG) Executive Vice President and Chief Operating Officer
Michael L. Molinini will speak at the Baird 2009 Industrial Conference in
Chicago, IL, on Tuesday, November 10, at 3:30 p.m. ET. Interested parties may
listen to a live webcast or replay until December 9 by accessing
http://investor.shareholder.com/arg/events.cfm.

Presentation slides will be available for download by 8:00 a.m. ET on November
10 in the Investor Information section of the Company`s website at
http://investor.shareholder.com/arg/slides.cfm.

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.

Airgas, Inc.
Media Contact:
Jay Worley (610) 902-6206
jay.worley@airgas.com
or
Investor Contact:
Barry Strzelec (610) 902-6256
barry.strzelec@airgas.com

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