1-800-AMMONIA(1-800-266-6642)

Airgas Names Joseph P. Sullivan President – Airgas Specialty Products

RADNOR, PA – August 11, 2015 – Airgas, Inc. (NYSE: ARG), one of the nation’s leading suppliers of industrial, medical, and specialty gases, and related products, today announced that Joseph P. Sullivan has been named President – Airgas Specialty Products, effective immediately. Sullivan will lead all aspects of the Airgas Specialty Products business and will report to Martin Wehner, Vice President of Process Gases & Chemicals.

“Joe brings to Airgas a wealth of industry expertise and leadership experience,” said Wehner. “He will be a tremendous asset to our growing specialty products business and an excellent addition to our leadership team.”

Airgas Specialty Products, a business of Airgas, Inc., is a leading supplier of industrial ammonia and ammonia equipment for water and heat treatment, chemical processing, and refrigeration applications.

Sullivan joins Airgas from The Linde Group where he spent the past 20 years in roles of increasing responsibility throughout the organization, including in sales, finance, marketing, and operations functions. Most recently, he served as Head of Supply Chain for the company’s eastern region, leading a field operations team of approximately 350 employees in servicing Linde’s bulk, on-site and pipeline customers throughout the northeastern U.S. He began his career as an engineer for United Technologies Corporation.

Sullivan holds a Bachelor of Science degree in materials science and engineering from Lehigh University in Bethlehem, PA and an MBA from the University of Michigan.

About Airgas, Inc.

Airgas, Inc. (NYSE: ARG), through its subsidiaries, is one of the nation’s leading suppliers of industrial, medical and specialty gases, and hardgoods, such as welding equipment and related products. Airgas is a leading U.S. producer of atmospheric gases with 16 air separation plants, a leading producer of carbon dioxide, dry ice, and nitrous oxide, one of the largest U.S. suppliers of safety products, and a leading U.S. supplier of refrigerants, ammonia products, and process chemicals.

Approximately 17,000 associates work in more than 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 e-Business, 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.

Investor Contact:

Joseph Marczely 610-263-8277
joseph.marczely@airgas.com

Media Contact:

Sarah Boxler 610-263-8260
sarah.boxler@airgas.com

About Airgas, Inc.

Airgas, Inc. (NYSE: ARG), through its subsidiaries, is one of the nation's leading suppliers of industrial, medical and specialty gases, and hardgoods, such as welding equipment and related products. Airgas is a leading U.S. producer of atmospheric gases with 16 air separation plants, a leading producer of carbon dioxide, dry ice, and nitrous oxide, one of the largest U.S. suppliers of safety products, and a leading U.S. supplier of refrigerants, ammonia products, and process chemicals. Approximately 17,000 associates work in more than 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 e-Business, 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.

Investor Contact:

Joseph Marczely 610-263-8277
joseph.marczely@airgas.com

Media Contact:

Sarah Boxler 610-263-8260
sarah.boxler@airgas.com