Who we are; What we do Norberto (Bert) Milan VP, Caribbean Region CANTO Conference, 2005

2 Nortel at a Glance… Over 100 years at the forefront of major technological innovation in telecom Serving more than 150 countries Approximately 30,000 employees worldwide OUR HISTORYOUR OPERATIONSOUR PEOPLE

3 To be the recognized leader in delivering communications capabilities that ignite and power global commerce while helping people solve the world’s greatest challenges THIS IS OUR VISION

4 What we do/How we do it >Removing barriers: Convergence >Eliminating bottlenecks: Broadband throughout >Simplifying the experience: Network intelligence >Empowering the user: Personalization >Increasing convenience: Mobility >Building trust: Security >Enhance the human experience >Ignite global commerce >Secure and protect the world’s most critical information

5 These Are Our Customers >Public network carriers >Wireless operators >Cable operators >Small, medium and large businesses >Governments and Public Institutions >Educational institutions >Financial institutions >Hospitality industry >Healthcare facilities >Other industries SERVICE PROVIDERSENTERPRISES

6 This is Where We’re Focused END-TO-END BROADBAND SOLUTIONS WIRELESS BROADBAND VOICE OVER IP MULTIMEDIA SERVICES AND APPLICATIONS

7 WIRELESS BROADBAND VOICE OVER IP MULTIMEDIA SERVICES AND APPLICATIONS END-TO-END BROADBAND SOLUTIONS Our Solutions >Enhancing applications and user experiences >“Always On”, fast access to multimedia information >Secure, reliable networks for critical networking needs >More than 40,000 multiservice switching systems deployed in over 1500 customer networks worldwide (Nortel) >#1 global multiservice switches (Synergy Research, 2003 and First Half 2004) >#1 worldwide metro WDM, metro WDM Ethernet and metro WDM SAN extension (IDC 2003) Enabling broadband connectivity >Optical Ethernet >Multiservice packet solutions >Multiservice optical solutions >Storage networking >Ultra-broadband access

8 END-TO-END BROADBAND SOLUTION WIRELESS BROADBAND VOICE OVER IP MULTIMEDIA SERVICES AND APPLICATIONS Our Solutions >Mobile access to multimedia content and service >Untethering business communication >Enabling secure wireless access >Hundreds of millions of people around the world rely on Nortel for wireless communications everyday (Nortel) >Nortel was the first supplier with wireless data networks operating across all air interfaces (GSM/GPRS/ EDGE, CDMA 1X/EV-DO,UMTS and WLAN) (Nortel) >We have designed, installed and launched more than 300 wireless networks in over 50 countries (Nortel) >WLAN solution awarded “Best of Show” (VoiceCon, March 2004) and Superquest Award for Application Layer Systems (Supercomm 2004) Enabling wireless broadband >Wireless LAN solutions >End-to-end 3G solutions

9 MULTIMEDIA SERVICES AND APPLICATIONS WIRELESS BROADBAND END-TO-END BROADBAND SOLUTION Enabling voice over IP VOICE OVER IP Our Solutions >Enabling new, personalized services >Enabling service provider revenues and enterprise network management benefits >Expertise delivering voice and IP in a secure, robust environment >1st to deploy full-featured, end-to-end VoP solutions to every segment of the Service Provider market; Local, Long Distance and Cable/MSO (Nortel) >#1 in worldwide Carrier Packet Voice (Synergy Research Group, 2003 and First Half 2004) >#1 globally in total system and line shipments of PBX, KTS and IP Telephony (Dell’Oro Group, 2003 and First Half 2004)

10 VOICE OVER IP WIRELESS BROADBAND END-TO-END BROADBAND SOLUTION MULTIMEDIA SERVICES AND APPLICATIONS Enabling services and applications Our Solutions >Enabling new, personalized services >Interactive multimedia enriches learning, healthcare, and entertainment >Customer service and business communications are enhanced >Critical information is protected by secure connectivity and managing access to content >Nortel has made secure connectivity available to over 100 million users, worldwide (Nortel) >#2 in Enterprise VPN Gateways (Synergy Research Group, 2003) >Multimedia Communications Server awarded the “Blue Ribbon” award (Network World Fusion, Dec 2003) >Virtual Private Network >Personalized IP Services >Multimedia Services Platform >Contact Centers and Voice Portals

11 Expanding the Business with Partnerships and Alliances PEC Solutions Cash acquisition to super-charge our Federal Systems business Enabling us to be a bigger player in the large US government services market Symantec Combining our expertise in networks and information security to develop Next Generation Security, including a data-center “security engine” for carrier networks Beginning to deliver products in 2H05 IBM Strategic agreement to collaborate on design and development of new products and services Designed to speed features to market and reduce costs while giving customers the combined expertise of two premier global R&D organizations Sasken Communications Strategic investment to strengthen Nortel’s position as leading player in India market Expanding service agreement to develop new software and deploy Nortel networking solutions

12 Recent Momentum Wins Continued worldwide adoption of our technologies Enterprise City of San Jose Selected over Cisco (in their own backyard) to deliver a converged voice and data network for new City Hall Advanced comms for small companies/ branch offices New BCM 50 for Domino’s Pizza, Apex Rentals, On Hold Marketing, others Wireless 3G expansions, packet core, and EVDO T-Mobile (Germany and Austria), Orange Slovensko, Smartcom, Eurotel, and Centennial Communications Market-leading HSDPA solution Multiple trials and deployments with Partner, mmO2, Orange, mobilkom austria and Sierra Wireless Carrier Packet BT wins UK Ministry of Defence nationwide communications network with multiservice switching and VoIP solutions—and evolution of Customer Contact Centrex to IP Success in growing cable market Rogers Cable, Time Warner, Adelphia, Cable Onda, Intercable, and Shaw Cablesystems US Department of Defense Enhanced, mission-critical comms network reduces costs to government and taxpayers, improves control and responsiveness in times of crisis First vendor to comply with Joint Interoperability Test Command (JITC) certified solutions for the Department of Defense Switched Network (DSN)

13 Our Strengths >Industry leading solutions >Experience >Networking expertise >Global presence >Culture of innovation >Secure and reliable networking Why Nortel