SAN JOSE, CA, April 25, 2006 - Bay Microsystems, the leader in high performance packet processing solutions delivering high quality voice, video and data services, today announced that it is the fastest growing network processor company in the industry, based on the Networking Silicon Market Share Report for 2005, published by The Linley Group, a Mountain View, CA-based market research firm.

Bay Microsystems grew its NPU revenues by 167% from 2004 to 2005, far exceeding any other vendor in the market. Bay's growth in NPUs is attributed to its focus and execution on higher speed technologies, as the market shifts to 10Gbps and faster networking systems. Bay anticipates the overall market growth for NPUs to accelerate rapidly over the next few years as next generation broadband infrastructure equipment begins coming on line. Bay grew other portions of its revenue base with overall revenue growth of 511% from 2004 to 2005.

"Bay Microsystems has done an excellent job of expanding its share of the chaotic NPU space, which has seen at least half of the vendors' sales shrink. Bay's focus on high performance packet processing technologies at 10G going to 40G makes it well positioned to continue its growth in 2006," said Linley Gwennap, founder and principal analyst at The Linley Group.

Copies of the Networking Silicon Market Share Report for 2005 are available for purchase from The Linley Group (www.linleygroup.com).

Bay Microsystems is a privately held communications technology company delivering programmable packet and transport processors, and network elements for the world's most demanding broadband networks. Bay's award winning Internetworking Processor™ products are scalable, intelligent, protocol-agile and ultra-high performance, and are used in U.S. Government and commercial networks to provide robust high quality end-user experiences. For more information please visit www.baymicrosystems.com.

Media Contact:
Tim Helms
Helms Communications
925-606-6936

Company Contact:
Bill Weisinger
Bay Microsystems
408-437-0400
Contact: Info at Bay