FIRST SUPPLEMENTAL INDENTURESupplemental Indenture • April 18th, 2005 • McData Corp • Communications equipment, nec • New York
THIS FIRST SUPPLEMENTAL INDENTURE dated as of [ ], 2005 (this "Supplemental Indenture"), is entered into by and among McDATA Corporation, a Delaware corporation ("McDATA"), Computer Network Technology Corporation, a Minnesota corporation (the "Company"), and U.S. Bank National Association, a national banking association, as trustee (the "Trustee"). Capitalized terms used herein and not otherwise defined have the meanings set forth in the Indenture referred to below.
