Press Release

Laurel Networks Participates in World's Largest Multi-vendor MPLS Interoperability Test

Will also Participate in "Ready for Revenue" MPLS Showcase Set to Take Place at SUPERCOMM 2002

Pittsburgh, PA - June 4, 2002 - Laurel Networks, Inc., the first provider of high-performance service edge routers, today announced its participation in the world's largest multi-vendor MPLS interoperability test organized by the MPLS Forum, an international industry organization driving worldwide deployment of multi-vendor MPLS networks, applications, and services.

"Laurel has been an innovator in the development of MPLS-based technologies, such as IETF Draft Martini, which was co-authored by Laurel technical leaders," said Steve Vogelsang, vice president of marketing and co-founder, Laurel Networks. "MPLS has increasingly gained acceptance as a technology of choice in the world's largest service provider networks. The MPLS Forum event highlights the acceptance of MPLS by carriers, as well as its technology readiness and ability to support revenue-generating services such as MPLS Layer 2 and IP VPNs."

Laurel Networks was among 21 equipment vendors that successfully tested interoperability for MPLS technology, applications and services. The interoperability test event took place from April 15-24. All 21 vendors will be participating in a live MPLS interoperability showcase taking place at SUPERCOMM at the MPLS Forum booth (Hall C2, booth #11559, Georgia World Congress Center, Atlanta, June 4-6, 2002). A white paper discussing the test methodology as well as key findings from the test event will be made available to attendees who visit the MPLS Forum booth.

About Laurel Networks
Laurel Networks is the first provider of high-performance service edge routers designed and developed specifically for the edge of IP/MPLS networks. Laurel's flagship ST200 Service Edge Router includes the features required to deliver high-value IP services, including: high-capacity routing and switching; rich bandwidth management functionality; and high-density, multi-service ports. Laurel Networks was founded in 1999 and is headquartered in Pittsburgh, Pennsylvania. For more information, visit www.laurelnetworks.com.

About The MPLS Forum
The MPLS Forum is an international industry organization driving worldwide deployment of multi-vendor MPLS networks, applications, and services. The Forum accomplishes this through interoperability initiatives, implementation agreements and education programs. For more information about The MPLS Forum, please contact Alexa Morris, MPLS Forum Executive Director, at (510) 608-5914 or via e-mail at amorris@mplsforum.org. Additional information regarding Forum membership and the Forum's mission is available online at http://www.mplsforum.org.