EX-1 AMENDMENT NO. 1 TO CREDIT AGREEMENT THIS AMENDMENT NO. 1 TO CREDIT AGREEMENT (this "Amendment No. 1"), dated as of April 13, 1998, is entered into by and among AIRGAS, INC. ("Airgas"), AIRGAS CANADA INC., RED-D-ARC LIMITED and AIRGAS ONTARIO INC....Credit Agreement • August 13th, 1998 • Airgas Inc • Wholesale-chemicals & allied products • North Carolina
