Nortel Note Exchange Agreement

Nortel Note Exchange Agreement. Means the Note Exchange Agreement, dated as of October 30, 2002, by and between the Company and SDS Merchant Fund, L.P. as in effect on the date hereof, pursuant to which the promissory note issued by the Company to Nortel Networks Inc. on December 7, 2001, will be surrendered to the Company in exchange for shares of Common Stock.