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BT Selects Juniper Networks to Provide IP Network for the United Kingdom's Ministry of Defence

M- and J- Series Routers, Security Platforms to Provide Unrivalled Network Performance for Britain's Armed Forces

SUNNYVALE, Calif., January 31, 2007 - Juniper Networks, Inc. (NASDAQ: JNPR) today announced that it has been selected by BT Plc to provide routers and security solutions for the U.K.'s Defence Fixed Telecommunications Service (DFTS) project. DFTS is delivered by BT in partnership with the Ministry of Defence (MoD) Defence Communications Service Agency (DCSA). Connecting over 240,000 users at over 1,500 sites across the UK and overseas, DFTS has consolidated all existing defense networks to deliver unified voice, data, LAN interconnectivity and WAN services for the Royal Navy, British Army, the Royal Air Force and MoD Centre. The new network is now live, with the first services being delivered in September 2006.

To ensure BT's solution could continue to meet MoD requirements for network flexibility, security and operational efficiency, the company re-evaluated its vendor partners for the project as part of a recent contract extension negotiation. BT chose Juniper Networks to replace its existing routing and security partner when it became clear only Juniper Networks was able to meet the stringent reliability, interoperability, resiliency and efficiency guidelines mandated by the MoD.

"The performance and reliability targets for the revised contract were ambitious, and given the mission-critical nature of defense there is no room for compromise-this is why we chose to work with Juniper Networks," said Tony Reeve, DFTS programme director, BT Global Services. "Juniper has proven it can provide highly resilient, secure and reliable networks for some of the world's largest and most sensitive organizations and now the project is live it has proved that it can deliver these same results for the MoD."

The MoD has transferred traffic to the new network based on Juniper routers, including M-series multiservice routing platforms and J-series service routers. BT has also deployed NetScreen-5200 high-performance integrated firewall/IPSec VPN security systems to provide network protection and defence.

The M-series platforms provides the DFTS network with advanced IP/MPLS edge routing, enabling future multiple services-including VPNs, network-based security, real-time voice and video, bandwidth-on-demand, rich multicast and IPv6 services-to be delivered over the single network, greatly reducing operational and capital costs. The supporting J-series service routers deliver reliable data connectivity to remote and branch offices, and are ready for the rollout of VoIP services as required. Both the M- and J-series routers run Juniper Networks JUNOS software to ensure consistent performance at all network locations regardless of customer connection, as well as enhanced security and service uptime.

"Juniper's technology already plays an integral role in numerous military and homeland security networks around the world," said Gert-Jan Schenk, vice president of operations, EMEA, Juniper Networks. "To be selected by BT for this deployment is gratifying and we are enjoying working with BT to ensure the British military is equipped with best-in-class communication services going forward."

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. JUNOS is a registered trademark of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.