Comdata(R) Announces New MasterCard Customer

Airgas, Inc., the largest U.S. distributor of industrial, medical,and specialty gases and related hardgoods, will use the Comdata fuelcard to track and manage all its vehicle-related fuel, maintenance andrepair expenses for its fleet of more than 3,200 trucks.

"This fuel card program will help aggregate and managetransportation costs for all the vehicles operated by our businessesthroughout the nation," said Mike Rohde, senior vice president ofDistribution Operations for Airgas, Inc. The new Comdata fuel cardfeature offers Airgas a full range of supply chain managementsolutions, the convenience of MasterCard acceptance, real-timepurchase controls, and enhanced reporting designed to lower cost,improve efficiency, and drive incremental margin improvement.

"Our clients can leverage Comdata's own proprietary merchantnetwork to enhance their fuel discount opportunities," Bob Sneed, vicepresident of corporate payment solutions, Comdata, said. "I think thisprogram will be very beneficial to everyone involved."

About Comdata Corporation

Comdata(R) Corporation (www.comdata.com) is a leadingbusiness-to-business issuer and processor of payment cards, primarilyin the retail and transportation industries. Comdata's range ofproducts and services include fleet, fuel, purchasing, T&E,payroll/reimbursement, EBT, gift and loyalty cards and processing. Afull-service merchant processor, Comdata's platforms support both itsproprietary card networks as well as processing for any card tender amerchant may accept. Headquartered in Brentwood, Tenn., Comdataemploys more than 1,600 people nationally and internationally. Comdatais a wholly owned subsidiary of Minneapolis-based Ceridian Corporation(NYSE: CEN).

About Ceridian

Ceridian Corporation (NYSE: CEN) is an information servicescompany serving businesses and employees in the United States, Canadaand Europe. Ceridian is one of the top human resources outsourcingcompanies in each of its markets, and offers a broad range of humanresource services, including payroll, benefits administration, taxcompliance, HR information systems and employee advisory programs.Through its Comdata subsidiary, Ceridian is a major payment processorand issuer of credit cards, debit cards and stored value cards,primarily for the trucking and retail industries in the United States.www.ceridian.com

About Airgas, Inc.

Airgas, Inc. (NYSE: ARG), through its subsidiaries, is the largestU.S. distributor of industrial, medical, and specialty gases, andrelated hardgoods, such as welding equipment and supplies. Airgas isalso the third-largest U.S. distributor of safety products, thelargest U.S. producer of nitrous oxide and dry ice, the largest liquidcarbon dioxide producer in the Southeast, and a leading distributor ofprocess chemicals, refrigerants and ammonia products. Its 10,000employees work in about 900 locations including branches, retailstores, gas fill plants, specialty gas labs, production facilities anddistribution centers. Airgas also distributes its products andservices through eBusiness, catalog and telesales channels. Itsnational scale and strong local presence offer a competitive edge toits diversified customer base. For more information, please visitwww.airgas.com.