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Telefonica Selects Juniper Networks for New VPN Service Offering in Brazil

E-series Enables Telefonica to Meet Growing Demand for Secure Broadband Network Access

SUNNYVALE, Calif., April 12, 2004 - Juniper Networks, Inc. (Nasdaq: JNPR) today announced that Telefonica has selected the industry-leading E-series platform to deliver its new Virtual Private Network (VPN) service over its Digital Subscriber Line (DSL) network. The project, deployed with integration partner Siemens, will transform the performance, security and reliability of broadband network access in Brazil.

The E-series combines carrier-class routing, broadband subscriber management services and IP services in a single platform, which enables Telefonica to deploy high-speed access and revenue-generating IP services to both businesses and consumers.

The advanced technology behind the solution will enable Telefonica to use a routing platform that can deliver wire-speed performance, security and quality of service at the edge of the network. The E-series will also support many thousands of subscribers, conserving point-of-presence (POP) space, optimizing capital investments and reducing operational costs.

"Telefonica has created a service-rich infrastructure with the E-series that easily scales to add new revenue-generating services without requiring a commensurate increase in capital and operating expense," said Tim Lambie, vice president of sales, Americas International, Juniper Networks. "The E-series enables Telefonica to transform their business models and move from commoditized to differentiated services."

About Telefonica Group in Brazil and Worldwide

The Telefonica Group is one of the ten largest global telecommunications conglomerates, with revenues of US$ 28.4 billion in 2003. As a leader in communications in Spanish-American countries, it employs 120,000 people. It operates in over 40 countries, totaling 114 million clients. The group operates in areas including fixed telephony, mobile telephony, data transmission, internet, call center, phone book editing as well as electronic and printed guides, B2B solutions and business security technology. To coordinate the social responsibility actions of its companies, the Telefonica Group created the Telefonica Foundation.

In Brazil, the Telefonica Group is the largest non-financial business conglomerate, with a R$ 22.2 billion budget (in 2003), 35.5 million clients and 41,000 employees. Telefonica has 123 million fixed telephony clients in the largest market of the country, the state of Sao Paulo. Telefonica Group operates in the mobile phone market with the largest South American company in the sector, Vivo - a joint venture with Portugal Telecom that operates 22 million mobile lines. The conglomerate also withholds the two largest internet operations in the country (Terra Lycos, with 1.2 million paid subscribers), as well as call center and contact center services (Atento).

About Juniper Networks, Inc.

Juniper Networks transforms the business of networking by converting a commodity - bandwidth - into a dependable, secure, and highly valuable corporate asset. Founded in 1996 to meet the stringent demands of service providers, Juniper Networks is now relied upon by the world's leading network operators, government agencies, research and education institutions, and information-intensive enterprises as the foundation for uncompromising networks. The Infranet Initiative uses Juniper Networks MINT (Model for InfraNet Transformation) as its underlying framework. Juniper Networks is headquartered in Sunnyvale, Calif. Additional information can be found at https://www.juniper.net.

Juniper Networks is registered in the U.S. Patent and Trademark Office and in other countries as a trademark of Juniper Networks, Inc. ERX, ESP, E-series, Internet Processor, J-Protect, JUNOS, JUNOScope, JUNOScript, JUNOSe, M5, M7i, M10, M10i, M20, M40, M40e, M160, M320, M-series, NMC-RX, SDX, T320, T640, and T-series are trademarks of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.