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Juniper Networks Positioned in the Leader Quadrant in Enterprise Firewall Magic Quadrant

Company Evaluated on Vision and Execution

SUNNYVALE, Calif., April 22, 2004 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced it has been recognized in a recently released research report published by Gartner, Inc., a leading worldwide research and advisory firm. Juniper Networks is positioned in the leader quadrant in the enterprise firewall market. The report, entitled: "Magic Quadrant for Enterprise Firewalls, 2H03*", summarized evaluation of more than 20 vendors in the enterprise firewall market based on their vision and ability to execute on that vision**.

More specifically, Gartner evaluated vendors on updated firewall criteria that were articulated in the previously published firewall Magic Quadrant report. These requirements included the ability to block network and application layer attacks, the use of custom processors, such as application specific integrated circuits (ASICs), and centralized management.

"Juniper Networks believes network firewalls should provide protection at the application layer to improve customer security," said David Flynn, vice president of products, Security Products Group, Juniper Networks. "Based on this belief, Juniper Networks delivered its Deep Inspection firewall technology and recently unveiled a new ASIC-based, integrated security platform that provides exceptional performance and capacity to accommodate additional security capabilities for protection against today's and tomorrow's sophisticated threats. We are pleased to be recognized for these efforts."

For more information about the Juniper Networks firewall products, visit: https://www.juniper.net/products/integrated/.

About Juniper Networks, Inc.

Juniper Networks transforms the business of networking by creating competitive advantage for our customers with superior networking and security solutions. Juniper Networks is dedicated to customers who derive strategic value from their networks, including global network operators, enterprises, government agencies and research and educational institutions. Juniper Networks' portfolio of networking and security solutions supports the complex scale, security and performance requirements of the world's most demanding mission critical networks. Additional information can be found at www.juniper.net.

* The Magic Quadrant is copyrighted April 2004 by Gartner, Inc. and is 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.

** "Gartner Magic Quadrant for 2H03," Richard Stiennon, vice president, April 20, 2004.

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