Airgas Unveils New Specialty Gas Catalog at PITTCON.

RADNOR, Pa. -- Airgas, Inc. (NYSE: ARG) today launched a new specialty gases catalog while at the Pittsburgh Conference 2005 (PITTCON), taking place in Orlando, FL from February 27 to March 4, 2005. Called the Airgas Specialty Gas and Equipment Reference Manual, this comprehensive reference manual includes more than 300 pages of detailed information about Airgas' specialty gases and equipment offerings, as well as guidelines for specifying, measuring and managing gases for various applications.

"Specialty gas customers often find buying gases to be a major source of headaches and hassles," said Earlene Shillingford, product manager for specialty gases at Airgas. "This easy-to-use reference guide provides the information and guidance that they need to help take the pain out of specifying gases for their applications."

The catalog includes five detailed sections covering the following product areas:

--Pure gases

--Binary gas mixtures

--Specialty applications, ranging from analytical gases and environmental monitoring gases to process chemicals and hydrocarbon processing gases

--Specialty gas equipment

--Laboratory safety products

Also included is a detailed appendix that provides useful information to help users specify gases, including cylinder conversion charts, guidelines for handling specialty gas cylinders and a comprehensive glossary of terms.

Copies of the catalog will be on display at the Airgas booth, #4301 during the show, and Airgas specialty gas and technical specialists will be on hand to answer questions and take catalog requests for fulfillment in the weeks following PITTCON. Customers and prospects can also contact their local specialty gas specialists to request a catalog.

About Airgas, Inc.

Airgas, Inc. (NYSE: ARG) is the largest U.S. distributor of industrial, medical and specialty gases, welding, safety and related products. Its integrated network of about 900 locations includes 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.