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Juniper Networks, Inc. Files Registration Statement for Public Offering

Mountain View, CA - September 1, 1999 - Juniper Networks, Inc. (Nasdaq:JNPR), a leading provider of next-generation Internet infrastructure systems, today announced that it has filed a registration statement with the Securities and Exchange Commission for a proposed offering of up to 5,750,000 shares of Juniper Networks common stock. Of the total shares offered, 1,500,000 shares will be offered by the Company and 3,500,000 will be offered by certain stockholders of the Company. To the extent the underwriters sell more than 5,000,000 shares of common stock, the underwriters have an option to purchase up to an additional 272,564 shares from Juniper Networks and 477,436 shares from the selling stockholders at the initial price to the public less the underwriting discount. The offering is being managed by Goldman, Sachs & Co., Credit Suisse First Boston, BancBoston Robertson Stephens, Dain Rauscher Wessels, a division of Dain Rauscher Incorporated, SG Cowen Securities Corporation and Warburg Dillon Read LLC.

This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation, or sale would be unlawful under the securities laws of any such state or jurisdiction.

A copy of the Prospectus relating to the offering may be obtained from the Prospectus Department of Goldman, Sachs & Co., at 85 Broad Street, New York, NY 10004, 212-902-1000 when available. You can also view the registration statement on the Internet at http://www.freeedgar.com.

About Juniper Networks, Inc.

Juniper Networks is a leading provider of next-generation Internet infrastructure systems that are designed to meet the scalability, performance, density, and compatibility requirements of rapidly evolving, optically-enabled IP networks. The company's purpose-built M40 Internet backbone router uses JUNOS software, ASICs, and line-rate performance to provide new Internet infrastructure solutions for service providers. The M40 router is used by some of the world's leading service providers.

Juniper Networks service, manufacturing teams, and Internet engineers support the M40 router. The company is headquartered in Sunnyvale, California*, with international offices in Leatherhead, UK, and Tokyo, Japan. For more information on Juniper Networks, please contact the company at 408-745-2000 or visit the Web site at https://www.juniper.net.

Juniper Networks is a trademark of Juniper Networks, Inc. All other trademarks are property of their respective companies.

Actual results could differ materially from those anticipated in forward-looking statements in this release as a result of certain factors, including those set forth in the risk factors described in the Company's SEC filings.