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Juniper Networks Strengthens Management Team with Two Key Appointments

Appoints Vice President, Enterprise Products and Solutions and Vice President, Engineering, IPG

SUNNYVALE, Calif., May 18, 2005 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced the appointments of Hitesh Sheth to the position of vice president, Enterprise Products and Solutions and Liam Kiely to the position of vice president of Engineering, for Juniper's Infrastructure Products Group (IPG).

Reporting to Krishna "Kittu" Kolluri, executive vice president and general manager of Juniper's Security Products Group, Sheth will be responsible for developing and executing Juniper Networks' go-to-market strategy for the enterprise market.

"We're pleased to welcome Hitesh to the team," commented Kolluri. "His solid customer and partner experience, combined with extensive industry and technical knowledge will be invaluable in driving solutions that meet the needs of customers for whom the network is a strategic asset."

Kiely will drive the definition and development strategy for Juniper Networks' best-in-class core and edge routing platforms. He will report to Carol Mills, executive vice president and general manager of Juniper's Infrastructure Products Group.

"Juniper Networks is committed to applying engineering excellence to drive innovation across the industry," said Mills. "Liam's leadership abilities and proven industry experience make him a perfect fit to help extend this leadership position. We're very pleased to welcome him to the team."

Hitesh Sheth Background

Sheth brings almost 20 years of industry experience to Juniper Networks. He has a solid track record in building cross-functional teams to develop comprehensive solutions that meet the evolving needs of customers. Sheth joins Juniper Networks from Cisco Systems where he led a strategic cross-company initiative to establish Cisco in the Metro Ethernet market. Under his leadership, revenue for the Metro Ethernet business more than tripled in a four-year period and the company secured the number one market share position. During his seven year tenure at Cisco, he held a number of senior management positions in marketing, business development and general management. Prior to Cisco, Hitesh held executive positions at Liberate Technologies, Oracle Corporation and The Santa Cruz Operation.

Liam Kiely Background

Kiely brings more than 20 years engineering and design experience to Juniper Networks and a proven record in leading and building global engineering organizations. Most recently he was vice president of Engineering at 3Com, where he led a global team of engineers with responsibility for overall product design and sourcing. Previously, Kiely held a number of key executive and engineering positions at Nortel, including that of vice president, Business Management for Optical Packet Interworking and the IP Infrastructure Division.

About Juniper Networks, Inc.

Juniper Networks is the leader in enabling secure and assured communications over a single IP network. The company's purpose-built, high performance IP platforms enable customers to support many different services and applications at scale. Service providers, enterprises, governments and research and education institutions worldwide rely on Juniper Networks to deliver products for building networks that are tailored to the specific needs of their users, services and applications. Juniper Networks' portfolio of proven networking and security solutions supports the complex scale, security and performance requirements of the world's most demanding networks. Additional information can be found at www.juniper.net.

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