Juniper Networks is #2 for Revenue in Overall Network Security Market

Juniper Networks is #2 for Revenue in Overall Network Security Market

Infonetics Research Recognizes Juniper Networks as a Leader in SSL VPN, High-End Firewall, High-End Enterprise Routing and Secure Routing

SUNNYVALE, Calif., December 11, 2006 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced that it continues to be the second-largest security vendor in the industry by reported company revenue, according to Infonetics Research, Inc.'s recent report titled, "Network Security Appliances and Software Quarterly Worldwide Market Share and Forecasts for 3Q06." According to the report, Juniper Networks garnered 10 percent revenue market share based on all security product categories tracked in the report during the third quarter of 2006, while also showing growth within most major product categories in which it participates.

"Juniper has a diverse security product portfolio that appeals to enterprises and service providers of all types," said Jeff Wilson, principal analyst for VPNs and security at Infonetics Research. "Many customers are looking for security solutions that are tightly integrated with networking solutions, and Juniper is one of a small group of vendors offering a broad security and networking portfolio, which is helping them significantly."

The same report recognized Juniper Networks as the overall market share leader again in the SSL VPN market. Juniper has been the SSL VPN market share leader since the inception of the market category.

Juniper Networks was also recognized as the #2 leader in high-end firewall and virtual private network (FW/VPN) product category (greater than or equal to $30,000 price band) during 3Q06. The Juniper Networks high-end firewall/VPN products include the NetScreen-5000 series, delivering up to 30Gbps high-end firewall and 15Gbps VPN throughput, and the Integrated Security Gateway (ISG) 1000 and 2000 firewall/VPNs.

In addition, Juniper Networks was also named as the #2 leader in the high-end enterprise routers product category (high-end enterprise routers are modular and support OC-3/STM-1 and higher speeds) during 3Q06, according to Infonetics Research, Inc.'s recent report titled, "Enterprise Routers Quarterly Worldwide Market Share and Forecasts for 3Q06." The Juniper Networks high-end enterprise routers include the M-series M7i, M10i, M20, M40e, M120 Multiservice Edge routers, which combine best-in-class IP/MPLS capabilities with unmatched reliability, stability, security and service richness.

To purchase the "Network Security Appliances and Software Quarterly Worldwide Market Share and Forecasts for 3Q06" report or the "Enterprise Routers Quarterly Worldwide Market Share and Forecasts for 3Q06" report, please contact Larry Howard at (916) 933-3543 or larry@infonetics.com.

About Juniper Networks, Inc.

Juniper Networks develops purpose-built, high performance IP platforms that enable customers to support a wide variety of services and applications at scale. Service providers, enterprises, governments and research and education institutions rely on Juniper to deliver a portfolio of proven networking, security and application acceleration solutions that solve highly complex, fast-changing problems in the world's most demanding networks. Additional information can be found at www.juniper.net.

Juniper Networks, NetScreen and the Juniper Networks logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.

This press release contains specialized projections, statements and data provided by third parties, including Infonetics Research, Inc. Juniper Networks does not adopt these projections, statements or data, does not warrant or guarantee the accuracy or completeness of such data or statements and does not undertake or assume any duty to update them in the future.