Foundry Networks Announces Market Share Leadership in Three Market Segments Through Significant Market Share Gains

Business Wire, August 15, 2002

Business Editors/High-Tech Writers

SAN JOSE, Calif.--(BUSINESS WIRE)--Aug. 15, 2002

Dell'Oro Report Shows Foundry as Number One Worldwide Market Share

Leader for the Following Switching Sectors: Layer 4 - 7 Web Traffic

Management, Layer 3 10 Gbps Ethernet, and

Layer 3 Modular 1 Gbps Ethernet

Foundry Networks(R), Inc. (NASDAQ: FDRY), a leading provider of high-performance enterprise and service provider switching, routing and Web traffic management solutions, today announced that the company has captured the top market positions for overall Layer 4 - 7 Web switching, Layer 3 10-Gigabit Ethernet switching, and Layer 3 Modular 1 Gbps (1000 Mbps) Ethernet switching according to the survey conducted by the Dell'Oro Group, a leading market research firm.

The survey also found that Foundry has achieved the number one position in Layer 3 Modular 1 Gbps Ethernet switching with 19.3% market share of all port shipments, a 100% market share of all port shipments in Layer 3 10-Gigabit Ethernet switching, as well as an unprecedented 79.8% market share in the strategic and fast-growing modular chassis-based Layer 4 - 7 segment. Foundry has secured the top leadership position for three and a half consecutive years worldwide for Layer 4 - 7 Web switch fixed and modular chassis port shipments.

The 2002 Second Quarter Ethernet Switch Report was released by the Dell'Oro Group on August 14, 2002 and covers all major manufacturers in the Ethernet switch market space. These market share calculations are based on actual port shipments and offer the most accurate measurement of market penetration.

"Foundry remains focused on continued price/performance leadership providing high-performance, end-to-end network infrastructure solutions with our feature rich product portfolio of ServerIron(R) Web switches, FastIron(R) Wiring Closet switches, BigIron(R) Layer 3 backbone switches, and NetIron(R) Metro routers," said Bobby Johnson, president and CEO of Foundry Networks. "These market share gains reflect our customers' interest in our technology, support, and industry-leading vision of the future of high-speed IP networking."

For more information regarding The Dell'Oro Group's switching report visit their Web site at http://www.delloro.com.

About Foundry Networks

Foundry Networks, Inc. (NASDAQ: FDRY) is a leading provider of high-performance enterprise and service provider switching, routing and Web traffic management solutions including Layer 2/3 LAN switches, Layer 3 Backbone switches, Layer 4 - 7 Web switches and Metro Routers. Foundry's 4,700 customers include the world's premier ISPs, Metro service providers, and enterprises including e-commerce sites, universities, entertainment, health and wellness, government, financial, and manufacturing companies. Some of these customers include: AOL (NYSE: AOL), EarthLink, China Telecom, MSN (NASDAQ:MSFT), Verio, Cable & Wireless (NYSE: CWP), Yahoo! (NASDAQ: YHOO), Incyte Genomics, Inc. (NASDAQ: INCY), Deutsche Bank, The University of Washington, University of Miami, Institut National de Recherche en Informatique et en Automatique (INRIA) of France, The British Library, U.S. Army, Air Force and Navy, NASA and the National Space Development Agency of Japan. For more information about the company and its products, call 1.888.TURBOLAN or visit www.foundrynetworks.com.

Foundry Networks, ServerIron, FastIron, NetIron, and BigIron are registered trademarks of Foundry Networks, Inc.