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Juniper Networks Maintains #2 Position in High-End Enterprise Routing Market

Grew 5% from Previous Quarter to Achieve 30% Market Share

SUNNYVALE,Calif. Feb. 16, 2006 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced that it has maintained the #2 market share position for high-end enterprise routers according to Synergy Research Group's Q4 2005 Router Equipment Market Shares report. According to Synergy, Juniper Networks has achieved 30% market share in the High-End Enterprise Router segment, an increase of 5% from the previous quarter. Juniper Networks maintains the #2 position since Synergy began tracking Juniper in this category.

"Juniper Networks has made significant progress in the High-End Enterprise Routing market with its M-series multiservice routers," said Jeremy Duke, president & CEO, Synergy Research Group. "With more dynamic IP traffic traversing today's enterprise networks, customers are deploying the Juniper Networks enterprise routing platforms for increased security, performance, and scalability across their networks."

The Juniper Networks M-series platform is an ideal enterprise routing solution for head offices, campuses and corporate backbones requiring reliable, secure and high performance IP WAN connectivity, Internet access and services. Unlike legacy routers which have monolithic architectures and aging operating systems, the multiservice routers utilize a hardware-based architecture and JUNOS, a modern object oriented operating system. This architecture ensures rich packet processing with uncompromising forwarding performance to support latency sensitive applications such as voice, video, and other mission critical applications. Together with the J-series, the complete portfolio of Juniper Networks enterprise routing products allow customers to consolidate multiple services onto a single IP/MPLS network while delivering performance, reliability and security to the enterprise environment.

Synergy Research Group's market share methodology for this report is built upon four primary cornerstones that include a survey process, a total market measurement model, technically-based market segmentation, and Synergy's designed SQL database. Combined, these cornerstones represent the foundation from which Synergy Research Group builds its market statistics. More information on the Q4 2005 Router Equipment Market Shares report can be found at www.srgresearch.com.

About Juniper Networks, Inc.

Juniper Networks is the leader in enabling secure and assured communications over a single IP network. The company's purpose-built, high performance IP platforms enable customers to support many different services and applications at scale. Service providers, enterprises, governments and research and education institutions worldwide rely on Juniper Networks to deliver products for building networks that are tailored to the specific needs of their users, services and applications. Juniper Networks' portfolio of proven networking and security solutions supports the complex scale, security and performance requirements of the world's most demanding networks. Additional information can be found at www.juniper.net.

Juniper Networks and the Juniper Networks logo are registered trademarks of Juniper Networks, Inc. in the United States and other countries. JUNOS, M7i and M10i are trademarks of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.