ADVISORY/Tellium’s Dr. Nico Wauters to Speak at IIR Conference in Cannes, France

OCEANPORT, N.J.–(BUSINESS WIRE)–June 19, 2003–Tellium (Nasdaq:TELM) announced today that Dr. Nico Wauters, the company’s sales engineering director for Europe, will speak at IIR’s WDM & Metro Optical Networking conference in Cannes, France June 30 through July 4.

Dr. Wauters’ presentation, “Quantifying The Extent To Which Supporting Optical Service Provisioning Will Enable You To Differentiate From Your Competitors,” will be made on Thursday, July 3 at the Hotel Noga Hilton in Cannes.

WHO:    Dr. Nico Wauters, sales engineering director for Europe,         Tellium

WHAT:   Presentation, "Quantifying The Extent To Which Supporting         Optical Service Provisioning Will Enable You To Differentiate         From Your Competitors"

WHERE:  IIR's WDM & Metro Optical Networking, Hotel Noga Hilton,         Cannes, France

WHEN:   2:40 p.m. on Thursday, July 3

About Nico Wauters

Dr. Nico Wauters is Tellium’s sales engineering director for Europe. He joined the company as a senior network engineer in November 2000. Before joining Tellium, Dr. Wauters worked for GTS Carrier Services, a telecommunications carrier, where he was responsible for managing the company’s network planning and design group. Previously, he worked in research and development at GTS, where he was responsible for developing the company’s medium- and long-term network architecture strategy. Before joining GTS, Dr. Wauters worked on multi-wavelength optical transmission and optical networking techniques at IMEC, a Flemish research institute. Dr. Wauters holds a Ph.D. in telecommunication engineering from the University of Gent.

About Tellium

Tellium delivers high-speed, high-capacity, intelligent optical solutions, that empower service providers around the world to create, run, control and optimize their networks. First in the world to provide in-service, intelligent optical switches, Tellium’s Aurora Optical Switch(TM) family and the StarNet Software Suite(TM) together offer service providers a simple and cost-effective migration path to next-generation public networks. More information is available at www.tellium.com.

Tellium(R)…smarter, faster optical networks.(TM)

About IIR

IIR (Institute for International Research) is the world’s largest conference company and has been the leader in the provision of business information for over 20 years. IIR produces over 3,000 events annually from a network of offices in 30 countries.

For more information, please visit Tellium’s Web site at www.tellium.com.