EXHIBIT 4.5 SUPPLEMENTAL INDENTURE THIS SUPPLEMENTAL INDENTURE (this "Supplemental Indenture") dated as of April 3, 2001, is by and among Litton Industries, Inc., a Delaware corporation ("Litton"), The Bank of New York, as trustee ("Trustee"),...Supplemental Indenture • May 10th, 2001 • Northrop Grumman Corp /De/ • Search, detection, navagation, guidance, aeronautical sys • New York
