Airgas, Inc. (NYSE: ARG) today announced that the Board of Directors increased the quarterly cash dividend on the company's common stock by 25%, from $0.32 per share to $0.40 per share. The dividend will be payable on June 29, 2012 to shareholders of record as of June 15, 2012.

"Fiscal 2012 was another tremendous year for Airgas and its shareholders, highlighted by record earnings and very strong cash flow," said Airgas Chairman and Chief Executive Officer Peter McCausland. "The financial strength of our business and our outstanding future prospects enable us to increase our dividend while continuing to fund our long-term growth strategies."

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.

This communication contains statements that are forward looking. Forward-looking statements include the statements identified as forward-looking in the Company's press release announcing its quarterly earnings, as well as any statement that is not based on historical fact, including statements containing the words "believes," "may," "plans," "will," "could," "should," "estimates," "continues," "anticipates," "intends," "expects" and similar expressions. All forward-looking statements are based on current expectations regarding important risk factors and should not be regarded as a representation by us or any other person that the results expressed therein will be achieved. Airgas assumes no obligation to revise or update any forward-looking statements for any reason, except as required by law. Important factors that could cause actual results to differ materially from those contained in any forward-looking statement include the factors identified in the Company's press release announcing its quarterly earnings, as well as other factors described in the Company's reports, including its March 31, 2011 Form 10-K, subsequent forms 10-Q, and other forms filed by the Company with the Securities and Exchange Commission. The Company notes that forward-looking statements made in connection with a tender offer are not subject to the safe harbors created by the Private Securities Litigation Reform Act of 1995. The Company is not waiving any other defenses that may be available under applicable law.

Airgas, Inc.
Investor Contact:
Barry Strzelec, 610-902-6256
barry.strzelec@airgas.com
or
Media Contact:
Doug Sherman, 610-902-6270
doug.sherman@airgas.com