Registration No. 333-60999 United States Securities and Exchange Commission Washington, D.C. 20549 Post-Effective Amendment No. 1 to FORM S-8 REGISTRATION STATEMENT Under THE SECURITIES ACT OF 1933 AIRGAS, INC. (Exact name of registrant as specified in its charter) Delaware 56-0732648 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification Number) 259 North Radnor-Chester Road, Suite 100, Radnor, Pennsylvania 19087 (Address of Principal Executive Offices) 1998 EMPLOYEE STOCK PURCHASE PLAN (Full Title of the Plan) TODD R. CRAUN, ESQUIRE AIRGAS, INC. Radnor Court 259 North Radnor-Chester Road, Suite 100 Radnor, Pennsylvania 19087 (Name and address of agent for service) (610) 687-5253 (Telephone number, including area code, of agent for service) __________________ Copies to: NANCY D. WEISBERG, ESQUIRE McCAUSLAND, KEEN & BUCKMAN Radnor Court 259 North Radnor-Chester Road, Suite 160 Radnor, Pennsylvania 19087 (610) 341-1000 Deregistration of Shares ------------------------ The Registrant's 1998 Employee Stock Purchase Plan has been terminated. The Registrant hereby files this Post-Effective Amendment No. 1 to its Registration Statement No. 333-60999 filed on Form S-8 solely for the purpose of deregistering 2,476 shares of Common Stock previously registered pursuant to such Registration Statement that remain unsold upon the termination of the plan. Signatures ---------- The Registrant. Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has caused this Post-Effective Amendment No. 1 to Registration Statement No. 333-60999 to be signed on its behalf by the undersigned, thereunto duly authorized, in Delaware County, Pennsylvania on September 26, 2002. Airgas, Inc. ------------ Registrant By: /s/ Peter McCausland -------------------------- Peter McCausland, Chairman of the Board and Chief Executive Officer By: /s/ Roger F. Millay -------------------------- Roger F. Millay, Senior Vice President - Finance and Chief Financial Officer (Principal Financial Officer) By: /s/ Robert M. McLaughlin -------------------------- Robert M. McLaughlin, Vice President and Controller (Principal Accounting Officer) Pursuant to the requirements of the Securities Act of 1933, this Post-Effective Amendment No. 1 to Registration Statement No. 333-60999 has been signed by the following persons in the capacities and on the dates indicated. Signature Title Date --------- ----- ---- /s/ Peter McCausland Director September 26, 2002 ------------------------ Peter McCausland /s/ W. Thacher Brown Director September 26, 2002 ------------------------ W. Thacher Brown /s/ Frank B. Foster, III Director September 26, 2002 ------------------------ Frank B. Foster, III /s/ James W. Hovey Director September 26, 2002 ------------------------ James W. Hovey /s/ David M. Stout Director September 26, 2002 ------------------------ David M. Stout /s/ Paula A. Sneed Director September 26, 2002 ------------------------ Paula A. Sneed /s/ John A. H. Shober Director September 26, 2002 ------------------------ John A. H. Shober /s/ Lee M. Thomas Director September 26, 2002 ------------------------ Lee M. Thomas /s/ Robert L. Yohe Director September 26, 2002 ------------------------ Robert L. Yohe