BUSINESS WIRE

August 7, 2003; McLean, Virginia

Isocore today announced the technical program for the MPLS 2003 International Conference which will provide a forum for leading MPLS vendors, test equipment manufacturers, and premier Service Providers to showcase next generation MPLS products and services.

MPLS 2003 is the 6th premier annual conference and exhibition focused on emerging Internet technologies. The conference is scheduled for October 26- 28, 2003 in Washington, D.C. The technical program covers a wide array of IP Networking topics such as Convergence, Management, Reliability, VPNs, IP Optical Integration, Service & Provisioning Issues, New Features, Interworking, and other subjects covered through tutorials, technical presentations, keynotes, and panel discussions.

MPLS 2003 is supported by Isocore and leading Service Providers, including ATT (NYSE:T), BellSouth (NYSE:BLS), Cable & Wireless (NYSE:CWP), Deutsche Telekom (NYSE:DT), France Telecom (NYSE:FTE), Level 3 Communications (NASDAQ:LVLT), MCI, and NTT (NYSE:NTT). The conference will be followed by the Fourth Public Interoperability Demonstration which will take place at the Isocore Internetworking Lab in McLean, Virginia. Attendance at the Public demonstration is by invitation only.

"The criteria for selection of speakers and topics for MPLS 2003 were very stringent to ensure an informative, productive experience for attendees," said conference co-chair Peter Hill, Vice President of Technology Planning and Deployment for BellSouth Telecommunications, Inc. "The presentations will be delivered by leading authorities, who are highly recognized for their technical contributions," he added.

The MPLS 2003 International Conference also offers an opportunity for attendees to explore next generation products and services showcased by leading vendors and service providers worldwide. Current sponsors of MPLS 2003 include Alcatel (NYSE:ALA), Avici Systems (NASDAQ:AVCI), Cisco Systems (NASDAQ:CSCO), Extreme Networks (NASDAQ:EXTR), Ixia (NASDAQ:XXIA), Juniper Networks (NASDAQ:JNPR), Laurel Networks, Lucent Technologies (NYSE:LU), Masergy, Navtel Communications, Nortel Networks (NYSE:NT), Redback Networks (NASDAQ:RBAK), and Spirent Communications (NYSE:SPM).

More information about the conference, including registration and the technical program, is available at http://www.mpls2003.com.

About MPLS 2003 International Conference: MPLS 2003 is the premier event on the subject of Multi Protocol Label Switching and its associated technologies. MPLS 2003 is sponsored and supported by leaders of the Internet industry from both Service Providers and Vendor Community. Through MPLS 2003 sponsorships, companies showcase their latest MPLS and optical products and services during the conference. For more information about the program and registration for the event please visit www.mpls2003.com.

Contact: Vincent Dean; (703) 556-4939 or vdean@isocore.com