Advisory: Nortel Investor Relations Fireside Chat Webcast

9:50 a.m. - 3:00 p.m. Eastern Time Thursday, November 15, 2007 TORONTO, ONTARIO--(Marketwire - November 13, 2007) - Nortel (TSX: NT)(NYSE: NT) - What: Nortel will host an Investor Relations Fireside Chat webcast with the investment community. Speakers: Mike Zafirovski, President and Chief Executive Officer Pavi Binning, Chief Financial Officer Lauren Flaherty, Chief Marketing Officer George Riedel, Chief Strategy Officer John Roese, Chief Technology Officer Dennis Carey, Executive Vice President, Corporate Operations Richard Lowe, President, Carrier Networks Joel Hackney, President Enterprise Solutions Philippe Morin, President, Metro Ethernet Networks Dietmar Wendt, President, Global Services Darryl Edwards, President, EMEA John Doolittle, Vice President, Financial Planning & Analysis When: 9:50 a.m. - 3:00 p.m. ET, Thursday, November 15, 2007 Where: To participate via the audio webcast, please visit the following webpage at least 15 minutes prior to the start of the event. Contacts: Nortel Investor Relations 1-888-901-7286 or (905) 863-6049 Email: Nortel Jay Barta Media Relations (972) 685-2381 Email: Website: