FIRST AMENDMENT TO CREDIT AGREEMENT FIRST AMENDMENT TO CREDIT AGREEMENT (this "Amendment"), dated as of April 28, 2005, among AC SAFETY HOLDING CORP. (the "Parent"), AEARO CORPORATION ("Holdings"), AEARO COMPANY I (the "Borrower" and, together with...Credit Agreement • May 4th, 2005 • Aearo CO I • Miscellaneous manufacturing industries • New York
