0001104659-11-019124 Sample Contracts

KRATOS DEFENSE & SECURITY SOLUTIONS, INC., as Successor Issuer, HERLEY INDUSTRIES, INC., as Guarantor and WILMINGTON TRUST FSB, as Trustee and Collateral Agent

First Supplemental Indenture • April 7th, 2011 • Kratos Defense & Security Solutions, Inc. • Communications services, nec • New York

• Contract Type
  First Supplemental Indenture
• Filed
  April 7th, 2011
• Company
  Kratos Defense & Security Solutions, Inc.
• Industry
  Communications services, nec
• Jurisdiction
  New York

THIS FIRST SUPPLEMENTAL INDENTURE, dated as of April 4, 2011 (the “First Supplemental Indenture”), is by and among KRATOS DEFENSE & SECURITY SOLUTIONS, INC., a corporation duly incorporated and existing under the laws of the State of Delaware (“Kratos”), HERLEY INDUSTRIES, INC. (successor by merger with Lanza Acquisition Co.), a corporation duly incorporated and existing under the laws of the State of Delaware, as guarantor (“Herley”), and WILMINGTON TRUST FSB, as trustee (the “Trustee”) and collateral agent (the “Collateral Agent”).

SUPPLEMENTAL INDENTURE

Supplemental Indenture • April 7th, 2011 • Kratos Defense & Security Solutions, Inc. • Communications services, nec • New York

• Contract Type
  Supplemental Indenture
• Filed
  April 7th, 2011
• Company
  Kratos Defense & Security Solutions, Inc.
• Industry
  Communications services, nec
• Jurisdiction
  New York

Supplemental Indenture (this “Supplemental Indenture”), dated as of April 1, 2011, among the parties identified in the signature page of this Supplemental Indenture as a Guaranteeing Subsidiary (each a “Guaranteeing Subsidiary”) of the Company (as defined herein), and Wilmington Trust FSB, as trustee under the Indenture referred to below (the “Trustee”).