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Juniper Networks Opens New Office in Western Japan

New Osaka Office to Extend Customer Service Outreach

SUNNYVALE, Calif., November 20, 2003 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced the extension of its service outreach to western Japanese customers with the opening of a new office in the western regional center of Osaka.

"The new office reflects the opportunities for growth in the Japanese market and also our ongoing commitment to the partnership with our customers in the western area," said Masanori Osuga, vice president, Japan, for Juniper Networks.

"A number of our customers have their office headquarters or regional network hub based in Osaka. An ongoing physical presence close to their operational centers enables Juniper Networks to support them as they expand their networks and increasingly transition to the next generation of value-added services."

The West Japan Osaka office is the second Juniper Networks office in Japan. The company's Tokyo office, which opened in 1999, will continue to be the center of its operations in Japan.

Juniper Networks, K.K. West Japan Office:

3-5-3 #708, Minami-honmachi
Chuo-ku, Osaka-shi
Osaka, 541-0054
Phone (Main): +81-6-6281-6166
Fax: +81-6-6281-6164

About Juniper Networks, Inc.

Juniper Networks transforms the business of networking by converting a commodity - bandwidth - into a dependable, secure and highly valuable corporate asset. Founded in 1996 to meet the stringent demands of service providers, Juniper Networks is now relied upon by the world's leading network operators, government agencies, research and education institutions, and information-intensive enterprises as the foundation for uncompromising networks. The Infranet Initiative uses Juniper Networks MINT (Model for InfraNet Transformation) as its underlying framework. Juniper Networks is headquartered in Sunnyvale, California. Additional information can be found at www.juniper.net.

Juniper Networks is registered in the U.S. Patent and Trademark Office and in other countries as a trademark of Juniper Networks, Inc. ERX, ESP, E-series, Internet Processor, J-Protect, JUNOS, JUNOScript, JUNOSe, M5, M7i, M10, M10i, M20, M40, M40e, M160, M-series, NMC-RX, SDX, T320, T640, and T-series are trademarks of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.