Common Contracts

FIRST SUPPLEMENTAL INDENTURE

McData Corp • June 2nd, 2005 • Communications equipment, nec • New York

• Company
  McData Corp
• Filed
  June 2nd, 2005
• Industry
  Communications equipment, nec
• Jurisdiction
  New York

THIS FIRST SUPPLEMENTAL INDENTURE dated as of June 1, 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.

FIRST SUPPLEMENTAL INDENTURE

McData Corp • April 18th, 2005 • Communications equipment, nec • New York

• Company
  McData Corp
• Filed
  April 18th, 2005
• Industry
  Communications equipment, nec
• Jurisdiction
  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.