NORTEL NETWORKS LIMITED as Issuer, NORTEL NETWORKS CORPORATION AND NORTEL NETWORKS INC. as Guarantors, AND THE BANK OF NEW YORK as Trustee and Calculation Agent FIRST SUPPLEMENTAL INDENTURE Dated as of July 5, 2006 to Indenture Dated as of July 5, 2006First Supplemental Indenture • July 6th, 2006 • Nortel Networks Corp • Telephone & telegraph apparatus • New York
FIRST SUPPLEMENTAL INDENTURE dated as of July 5, 2006 (this “First Supplemental Indenture”) to the Indenture dated as of July 5, 2006 among Nortel Networks Limited (together with any successors, “NNL” or the “Issuer”), a Canadian corporation having its principal place of business at 8200 Dixie Road, Suite 100, Brampton, Ontario, Canada L6T 5P6, Nortel Networks Corporation (together with any successors, “NNC”), a Canadian corporation having its principal place of business at 8200 Dixie Road, Suite 100, Brampton, Ontario, Canada L6T5P6 and Nortel Networks Inc. (together with any successors, “NNI”), a Delaware corporation having its principal place of business at 4008 Chapel Hill — Nelson Highway, Research Triangle Park, North Carolina, U.S.A., 27709, and The Bank of New York (the “Trustee”), a New York corporation authorized to conduct a banking business, having its Corporate Trust Office at 101 Barclay Street 21W, New York, New York, U.S.A., 10286 (the “Original Indenture,” and as suppl
