Advisory: Nortel Reports Results for the Second Quarter 2007

TORONTO, ONTARIO--(Marketwire - July 31, 2007) - Nortel (TSX: NT)(NYSE: NT) - What: Nortel will host a teleconference/audio webcast with the investment community to discuss Nortel's Second Quarter 2007 results. When: 8:30 a.m. ET, Thursday, August 2, 2007 Where: To participate in the audio teleconference and Q&A, please call: - North America 1-888-211-4395 - International 1-416-620-9644 To take part in the audio Webcast, please visit. www.nortel.com/q2earnings2007 Please dial in at least 15 minutes prior to the start of the event. Replay: A replay of the Nortel's Second Quarter 2007 audio teleconference will be available at 9:30 a.m.. ET at: - North America 1-800-383-0935 Passcode: 21344899# - International 1-402-530-5545 Passcode: 21344899# Audio webcast replay: www.nortel.com/q2earnings2007 This is a solicitation from Nortel. You have received it because you have asked to be included on the distribution list for periodic updates to Nortel investors and prospective investors. To unsubscribe from this distribution list, please send an e-mail message to Diane Jankowski (dianejan@nortel.com) with the word "unsubscribe" in the subject line. To unsubscribe to faxes, please contact Diane Jankowski at (905) 863-7901. Contacts: Nortel Investor 1-888-901-7286 or (905) 863-6049 Email: investor@nortel.com Nortel Jay Barta Media (972) 685-2381 Email: jbarta@nortel.com Nortel Mohammed Nakhooda Media (647) 292-7180 Email: mohammna@nortel.com Website: www.nortel.com