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NetScreen Hires Vice President of Research and Development; Co-Founder Feng Deng Takes on New Role as Chief Strategy Officer

SUNNYVALE, CA - December 9, 2003 - NetScreen Technologies, Inc. (Nasdaq: NSCN) today announced that it has hired Anson Chen as its vice president of research and development.

Anson Chen, a 12 year veteran of Cisco Systems, Inc. and its former vice president and general manager of the Network Management and Services Technology Group, will lead engineering, research and development efforts for NetScreen’s entire product line, including its firewall, IPSec virtual private network (VPN) and intrusion detection and prevention technologies. Chen also will have functional management responsibility for NetScreen’s secure access products.

Before joining NetScreen, Chen, a technology industry veteran with more than 17 years of networking systems product development experience, served various roles at Cisco where he led large-scale software development initiatives ranging from embedded systems, networking protocols, middleware services to network management applications. Additionally, while at Cisco, he led many technology integration and product convergence teams following Cisco acquisitions. Prior to Cisco, Chen served in various engineering roles at Convergent Technologies/Unisys and VISA.

“With Anson’s strong networking and development background, excellent track record assimilating acquired technologies, and drive for innovation, we are confident that he will help NetScreen continue its history of developing industry-leading security solutions that seamlessly integrate into a variety of networking environments, enhance product performance and effectively integrate best-of-breed security capabilities,” said Robert Thomas, president and CEO of NetScreen.

Feng Deng’s New Role

Effective immediately, NetScreen co-founder and vice president of engineering Feng Deng takes on the role of chief strategy officer. In his previous role, Deng successfully led NetScreen’s research and development activities, helping to building its industry-leading network security products. In his new position, Deng will focus his efforts on corporate strategy to ensure that NetScreen attains its goal of becoming the world’s leading network security company.

“Feng has a keen entrepreneurial spirit, incredible vision, technical expertise and business savvy, ” said Thomas. “These qualities will contribute to his success and to that of NetScreen in his new role for the company.”

About NetScreen Technologies

NetScreen Technologies, Inc., is a leading developer of network security and access solutions for enterprises and carriers worldwide. NetScreen's solutions offer customers multiple layers of network and application-level protection in purpose-built appliances and systems that optimize performance and reduce total operating costs. NetScreen is located at 805 11th Ave., Sunnyvale, Calif., 94089. More information on NetScreen's products can be found at www.netscreen.com or by calling toll free at 1-800-638-8296.

GuardedNet, the GuardedNet logo, neuSECURE, and the neuSECURE logo are trademarks or registered trademarks of GuardedNet, Inc.

NetScreen and the NetScreen logo are trademarks of NetScreen Technologies, Inc. in the United States and other countries. Trend Micro is a trademark or registered trademark of Trend Micro Incorporated. Other trademarks are the property of their respective owners.

This press release contains forward-looking statements about events and circumstances that have not yet occurred. For example, words such as “will”, “expects”, “provide”, “continue”, and “allows”, or other statements in the future tense, are forward-looking statements. Actual outcomes and results may differ materially from expectations in this press release due to a number of risks and uncertainties. Such risks and uncertainties include whether the market for security products will grow as projected, if at all, whether demand for NetScreen products will continue, whether new products, if and when introduced, will be successful and whether products will perform as expected.