RADNOR, Pa. --Airgas, Inc. (NYSE: ARG) announced today it has priced $300 million of 2.85% senior notes due October 1, 2013. The notes are being offered under a shelf registration statement filed with the U.S. Securities and Exchange Commission.

The offering is expected to close on March 15, 2010, and proceeds of the offering will be used to reduce the outstanding balances of the Company’s revolving credit facilities. The Company’s long-term debt is rated BBB by Standard and Poor’s Corporation and Baa3 by Moody’s Investors Service.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy the securities. Banc of America Securities LLC, Barclays Capital Inc., Goldman, Sachs & Co., and Wells Fargo Securities, LLC, served as Joint Book-Running Managers on this transaction.

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 that the offering is expected to close on March 15, 2010, and that proceeds of the offering will be used to reduce the outstanding balances of the Company’s revolving credit facilities. 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: Airgas’ ability to sell the notes; an economic downturn; supply cost pressures; increased industry competition; our ability to successfully consummate and integrate acquisitions; 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 Form 10-K dated March 31, 2009, subsequent Forms 10-Q, and other forms filed by the Company with the Securities and Exchange Commission.