EXHIBIT 10.3 PLEDGE AGREEMENT SUPPLEMENT PLEDGE AGREEMENT SUPPLEMENT dated as of May 15, 2002 between Nortel Networks International Finance & Holdings B.V. (the "LIEN GRANTOR") and JPMORGAN CHASE BANK, as Collateral Agent. WHEREAS, Nortel Networks...Pledge Agreement Supplement • August 13th, 2002 • Nortel Networks LTD • Telephone & telegraph apparatus • New York
