SAN JOSÉ, CA—December 13, 2000—LynuxWorks™, Inc., a provider of open source and true real-time embedded solutions for the post-PC era, today announced that Jetstream Communications used the LynuxWorks LynxOS® real-time operating system for Jetstream's call processing CPU cards.

The cards are an integral component in Jetsream's CPX1000 Broadband voice services platform. Jetstream is a leading provider of Voice over Broadband (VoBB) equipment to incumbent and competitive local exchange carriers. The company's patented Voice over Broadband solution, part of the Jetstream Formation™ portfolio, has driven the standard for bundled voice and data service delivery over DSL, T1/E1 and Wireless broadband access networks.

About Jetstream Communications

Jetstream Communications Inc. is the leading provider of Voice over Broadband (VoBB) equipment to incumbent and competitive local exchange carriers. The company was named number one in Voice over DSL shipments in Q3 2000 by leading market research firms. Jetstream's patented Voice over Broadband solution, part of the Jetstream Formation™ portfolio, has driven the standard for bundled voice and data service delivery over DSL, T1/E1 and Wireless broadband access networks. Based in San José, California, Jetstream is a privately held, venture-backed company led by a seasoned management team consisting of veterans from both the telecommunications and data communications industries. Jetstream's solutions are installed in leading competitive, local and long-distance carriers and Integrated Communications Providers (ICPs) around the world.

About LynuxWorks

LynuxWorks™, Inc. is a provider of open source and true real-time embedded solutions for the post-PC era. LynuxWorks supports industry standards in communications, aerospace and defense, consumer and business electronics, industrial control systems, Internet infrastructures, automotive/transportation, medical devices, and retail industries. LynuxWorks products include the open-source BlueCat™ Linux; the scalable, Linux-compatible LynxOS® real-time operating system; software frameworks for high-availability systems; development tools and technical support worldwide.

LynuxWorks, SpyKer, and BlueCat are trademarks and LynxOS is a registered trademark of LynuxWorks, Inc. Other brand or product names are registered trademarks or trademarks of the respective holders.

LynuxWorks press contacts

Kirsten Long Director, Marketing Communications LynuxWorks, Inc. USA +1 408-979-4404	Dave Reddy Weber Shandwick USA +1 650-868-4659	Peter van der Sluijs Neesham Public Relations Europe +44 1442-879222
Hamid Mirab Managing Director EMEA LynuxWorks Ltd. United Kingdom +44 208-906-9506	Elvia Soltero Weber Shandwick USA +1 408-685-0614