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Korea's Leading ISP Selects NetScreen Solutions to Secure its Managed Service Infrastructure and Customers

Korea, Seoul - February 17, 2004 - NetScreen Technologies, Inc. (Nasdaq: NSCN) today announced that Korea DACOM Corporation, a LG Group affiliate and Korea’s leading Internet services company, has selected NetScreen’s network security appliances and systems to provide firewall protection and virtual private network (VPN) connectivity for many of DACOM’s enterprise managed service customers in Korea.

Additionally, DACOM has selected from NetScreen’s comprehensive product line, high-end integrated firewall/ VPN systems to secure its mission-critical infrastructure that is designed to provide and support its 24x7 eBiz managed service. DACOM’s deployment includes multiple units of NetScreen’s gigabit firewall and VPN systems, which are paired and deployed in High Availability mode to protect DACOM’s eBiz infrastructure backbone.

More than 300 NetScreen appliances - including the versatile NetScreen-200 series, -50, -25, and -5 devices - are installed at customer sites located throughout the country to protect their core networks and establish secure connections to DACOM’s infrastructure.

The NetScreen solution was chosen after an extensive evaluation and testing to ensure that it delivers the same high performance, stability and reliability as DACOM’s eBiz service commitments to its many leased-line and broadband enterprise customers.

In addition to providing firewall and VPN functionality for DACOM’s primary eBiz service offering, NetScreen is the selected security solution provider for other DACOM services, including BORANet, a leased-line service for business customers, as well as for the company’s subsidiary operations, such as Korea Internet Data Center (KIDC), which offers co-location and Web hosting services in Korea.

“All our integrated network security appliances and systems are designed with stringent customer requirements in mind, like easy, flexible deployment options and device scalability,” said David Flynn, NetScreen vice president of marketing. “In the case of DACOM, we have worked with the customer to understand and address their central site security needs while enabling them to leverage their investment to further expand their business and customer base.”

For more information about NetScreen products, visit: http://www.netscreen.com/products/index.jsp.

About Dacom

Dacom is the leading company in Internet networking & solution business in Korea. It has launched a domestic & international exclusive line network service to deploy enterprise telecommunication network. It has contributed to settle an Information-oriented society successfully, developing and managing computer network for the national administration and the Seoul Olympic as well as providing various informational communication services as like the Internet service Chollian, international call, long distance call, internet network, etc. More information on Dacom can be founded at http://www.dacom.net.

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 http://www.netscreen.com or by calling toll free at 1-800-638-8296.

NetScreen and the NetScreen logo are trademarks of NetScreen Technologies, Inc. in the United States and other countries. 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”, “can”, “provides”, “enabling”, “designed”, “allows” and “continues”, 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.