Airgas Increases Quarterly Dividend by 33%.

RADNOR, Pa. -- Airgas, Inc. (NYSE:ARG) today announced that the Board of Directors increased the quarterly cash dividend on the company's common stock to $0.12 per share from $0.09. The dividend will be payable March 31, 2008 to shareholders of record as of March 13, 2008.

"Growth in cash flow and earnings over the last two years make it appropriate to substantially increase our dividend," commented Airgas Chairman and CEO Peter McCausland. "We look forward to maintaining our tradition of returning value to our shareholders through internal growth, acquisitions and dividend growth generally commensurate with earnings and cash flow."

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.

Forward-Looking Statements

This press release may contain statements that are forward looking, as that term is defined by the Private Securities Litigation Reform Act of 1995 or by the Securities and Exchange Commission in its rules, regulations and releases. These statements include, but are not limited to, statements regarding: the Company's commitment to increasing the dividend commensurate with earnings and cash flow; and Company plans to continue to return value to shareholders. We intend that such forward-looking statements be subject to the safe harbors created thereby. 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. Important factors that could cause actual results to differ materially from those contained in any forward-looking statement include: supply cost pressures; increased industry competition; our ability to successfully consummate and integrate acquisitions; a disruption to our business from integration problems associated with acquisitions; an economic downturn; adverse changes in customer buying patterns; significant fluctuations in interest rates; increases in energy costs and other operating expenses; the effect of catastrophic events; political and economic uncertainties associated with current world events; and other factors described in the Company's reports, including its Forms 10-K dated March 31, 2007, subsequent Forms 10-Q, and other reports filed by the Company with the Securities and Exchange Commission.