L-3 COMMUNICATIONS CORPORATION 4.750% Senior Notes due 2020 UNDERWRITING AGREEMENT May 18, 2010 Banc of America Securities LLC Barclays Capital Inc. Deutsche Bank Securities Inc.Underwriting Agreement • May 24th, 2010 • L 3 Communications Holdings Inc • Radio & tv broadcasting & communications equipment • New York
and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. as Trustee First Supplemental Indenture Dated as of May 21, 2010 $800,000,000 4.750% Senior Notes due July 15, 2020Indenture • May 24th, 2010 • L 3 Communications Holdings Inc • Radio & tv broadcasting & communications equipment • New York
FIRST SUPPLEMENTAL INDENTURE dated as of May 21, 2010 among L-3 Communications Corporation, a Delaware corporation (the “Company”), the guarantors listed on the signature pages hereto (the “Guarantors”) and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”).
