EXHIBIT 4.2 Confidential Materials omitted and filed separately with the Securities and Exchange Commission. Asterisks denote omissions. Nortel Networks Corporation 8200 Dixie Road, Suite 100 Dept. 0019, GMS 036/NO/163 Brampton, Ontario, Canada L6T...Bookham Technology PLC • October 22nd, 2003 • Semiconductors & related devices
