Exhibit 10.4 NORTEL NETWORKS LIMITED 8200 Dixie Road, Suite 100 Brampton, Ontario L6T 5P6 Canada February 28, 2002 PERSONAL AND CONFIDENTIAL Nicholas J. DeRoma, Esq. One Chedington Place, Suite 8D North York, Ontario M4N 3R4 Dear Nick: Reference is...Nortel Networks LTD • March 11th, 2002 • Telephone & telegraph apparatus
and -Reciprocal Credit Agreement • March 11th, 2002 • Nortel Networks LTD • Telephone & telegraph apparatus • Ontario
