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Juniper Networks Positioned in Leaders Quadrant of Leading Analyst Firm's Magic Quadrant for Network Intrusion Prevention Systems

Company Evaluated on Ability to Execute and Completeness of Vision

SUNNYVALE, Calif., February 27, 2008 - Juniper Networks, Inc. (NASDAQ: JNPR), the leader in high-performance networking, today announced it has been positioned in the "Leaders" quadrant of Gartner's recently released report: Magic Quadrant for Network Intrusion Prevention System (IPS) Appliances, 1H08.* A leading worldwide IT research and advisory firm, Gartner evaluated vendors according to a set of criteria focused on the company's ability to execute and completeness of vision in the IPS market.

According to Gartner, "The network IPS appliance market is composed of in-line devices that perform full-stream assembly and deep inspection of network traffic, providing detection using several methods, including signatures, protocol anomaly detection and behavioral or heuristics." In the report, Gartner states, "Leaders demonstrate balanced progress and effort in all execution and vision categories. Their actions raise the competitive bar for all products in the market, and they can change the course of the industry. To remain leaders, vendors must have demonstrated a track record of delivering successfully in enterprise IPS deployments and in winning competitive assessments. Leaders produce products that provide high signature quality and low latency, are innovating with or ahead of customers' challenges and have a range of models."

"We believe Juniper's placement in the Leaders quadrant for network IPS, following our recent placements in the Leaders quadrant in Gartner's Magic Quadrants for Enterprise Network Firewalls**, SSL VPN*** and WAN Optimization Controllers****, reflects our commitment to delivering best-in-class technologies that set new metrics in high-performance networking," said Mark Bauhaus, executive vice president and general manager of Service Layer Technologies at Juniper Networks. "Backed by Juniper Networks' security team offering market leading response to threats and vulnerabilities, our Intrusion Detection and Prevention (IDP) appliances consistently offer comprehensive security coverage against an increasingly evolving threat landscape. Additionally, with centralized management that manages all firewall, Unified Threat Management (UTM) and IDP appliances, our customers have even greater choice and control in quickly meeting their security requirements while improving operational efficiencies."

To view a copy of "Magic Quadrant for Network Intrusion Prevention System Appliances, 1H08," compliments of Juniper, go to: http://mediaproducts.gartner.com/reprints/juniper/vol3/article3/article3.html.

About the Magic Quadrant

The Gartner Magic Quadrants are copyrighted 2007 and 2008 by Gartner, Inc., and are reused with permission. The Magic Quadrant is a graphical representation of a marketplace at and for a specific time period. It depicts Gartner's analysis of how certain vendors measure against criteria for that marketplace, as defined by Gartner. Gartner does not endorse any vendor, product or service depicted in the Magic Quadrant, and does not advise technology users to select only those vendors placed in the "Leaders" quadrant. The Magic Quadrant is intended solely as a research tool, and is not meant to be a specific guide to action. Gartner disclaims all warranties, express or implied, with respect to this research, including any warranties of merchantability or fitness for a particular purpose.

About Juniper Networks

Juniper Networks is in the business of network innovation. From devices to data centers, from consumers to cloud providers, Juniper Networks delivers the software, silicon and systems that transform the experience and economics of networking. Additional information can be found at Juniper Networks (www.juniper.net).

* Gartner, Inc., "Magic Quadrant for Network Intrusion Prevention System Appliances, 1H08" by Greg Young and John Pescatore, February 14, 2008
** Gartner, Inc., "Magic Quadrant for Enterprise Network Firewalls, 2H07" by Greg Young and John Pescatore, September 13, 2007
*** Gartner, Inc., "Magic Quadrant for SSL VPN, North America, 3Q07" by John Girard, December 6, 2007
**** Gartner, Inc., "Magic Quadrant for WAN Optimization Controllers, 2007" by Andy Rolfe and Joe Skorupa, December 14, 2007

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