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Alcatel and NetScreen Form Strategic Alliance To Provide Enterprises Certified and Secure VPN and Firewall Solutions

Calabasas and Sunnyvale, CA - April 24, 2003 - Alcatel (NYSE: ALA) and NetScreen Technologies, Inc. (Nasdaq: NSCN) today announced that Alcatel has joined NetScreen's Global Security Alliance and that NetScreen has joined the Alcatel Application Partner Program.

The performance, security and total cost of ownership advantages of NetScreen's products are a strong complement to Alcatel's highly available, intelligent, and easily managed enterprise networking solutions. Together, they enable highly reliable networking, secure VPN connectivity and firewall functionality.

"Alcatel's relationship with NetScreen enables us to continue enhancing our comprehensive Alcatel CrystalSec security framework, a blueprint we use to design and verify the security of the Omni voice and data network solution set," said Eric Penisson, vice president, network infrastructure marketing, Alcatel. "NetScreen's integrated VPN and firewall solutions coupled with Alcatel's voice and data solutions provide a robust, end-to-end solution that can increase customers' security and reduce total cost of ownership."

"Through this alliance, our customers will be able to confidently deploy NetScreen security solutions with Alcatel products that enhance their voice and data network infrastructure," said Janine Roth, vice president of business development at NetScreen. "This combination of products brings together best-of-breed networking performance and security - a win-win for customers."

The NetScreen Global Security Alliance

Member companies of the NetScreen Global Security Alliance provide products complementary to NetScreen's integrated network security solutions. These products undergo testing to certify functionality and interoperability. Consequently, information technology professionals can obtain an array of scalable solutions integrating NetScreen and member companies' products to create an interoperable and effective end-to-end security infrastructure.

Alcatel products submitted for testing with NetScreen solutions include: the Alcatel Omni switches, notably the OmniSwitch 8800, OmniSwitch 7000 and OmniSwitch 6600.

For more information about the NetScreen Global Security Alliance, visit: http://www.netscreen.com/alliances/index.html

The Alcatel Application Partner Program

The Alcatel Applications Partner Program is a joint business development initiative targeted at ISVs (Independent Software Vendors) and developers who wish to integrate value-added applications with the market-leading Alcatel communication servers. The program strives to meet customers' changing needs by partnering with a diversity of companies that provide applications which complement Alcatel's offering for small, medium, and large enterprises.

NetScreen products submitted for testing under the Alcatel program include: NetScreen-500 systems, NetScreen-204, -208, -50, -25, -5XP, and -5XT appliances, and NetScreen Remote.

For more information about the Alcatel Application Partner Program, visit: http://www.applicationspartner.alcatel.com

About Alcatel enterprise networking solutions

Alcatel delivers standards-based IP communications solutions to a global customer base of over 500,000 small, medium and large enterprises, government agencies, healthcare facilities, and educational institutions. Alcatel's award-winning Omni family of IP Communications solutions consists of an extensive portfolio of network switching infrastructure products and IP telephony products built to provide long-term value

About Alcatel

Alcatel provides end-to-end communications solutions, enabling carriers, service providers and enterprises to deliver content to any type of user, anywhere in the world. Leveraging its long-term leadership in telecommunications network equipment as well as its expertise in applications and network services, Alcatel enables its customers to focus on optimizing their service offerings and revenue streams. With sales of US$15.5 billion in 2002, Alcatel operates in more than 130 countries. For more information, visit Alcatel on the Internet: http://www.alcatel.com.

About NetScreen Technologies

NetScreen Technologies, Inc., is a leading developer of integrated network security solutions that offer the security, performance and total cost of ownership required by enterprises and carriers. NetScreen's innovative solutions provide key security technologies, such as virtual private network, denial of service protection, firewall and intrusion prevention, in a line of easy-to-manage security appliances and systems. NetScreen is located at 805 11th Ave., Sunnyvale, CA, 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 is a trademark of NetScreen Technologies, Inc. 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", "can", "continue", and "enable" 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.