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CoreExpress Selects Juniper Networks Equipment for Multi-ISP Extranet Service

Sunnyvale, CA and St. Louis, MO - Dec. 13, 2000 - Juniper Networks, Inc. (Nasdaq: JNPR) and CoreExpress today announced the deployment of Juniper Networks M20 Internet backbone routers to provide unprecedented scalability and increased manageability for the CoreExpress Extranet service. CoreExpress will use the M20 routers with Juniper Networks new Internet Processor II ASIC to support the first data communications service with multi-ISP site-to-site performance guarantees.

The deployment will span the CoreExpress Internet Data Exchange System (iDESSM), which includes a 22,000-mile redundant, OC-192 fiber optic network. The Juniper Networks routers will act as gateways for customer traffic into the CoreExpress iDES platform from an ISP's network and enable CoreExpress to offer site-to-site performance guarantees for individual customers. These guarantees ensure high availability and minimal loss and latency between a customer and its partners, even if they use different ISPs.

"CoreExpress is delivering data with guaranteed reliability and quality across multiple ISPs so that businesses can now use the Internet for mission-critical communications. This means that our network performance and scalability requirements are more demanding than in any other service provider category," said Tony Zeis, chief technology officer, CoreExpress. "The Juniper Networks routers provide us with the highest scalability available so that our service can support even the largest business partner networks."

"The CoreExpress deployment is significant for Juniper Networks because it represents an adoption of our M-series product portfolio by a new generation of service providers," said Pradeep Sindhu, chief technology officer, Juniper Networks. "The M20 router with its Internet Processor II is purpose-built for our customers global Internet environment. This means performing without compromise even under the fluctuating demands of Internet traffic."

The CoreExpress Extranet provides the ideal solution for deploying a large-scale, multi-ISP business partner network. Now businesses can use the Internet for delivering applications, such as time-sensitive data transactions, supply chain management, customer relationship management, enterprise resource planning, e-procurement, B2B integration and other emerging applications. As a result, CoreExpress customers are able to streamline communications with business partners and reach new target markets.

Juniper Networks M20 routers enable CoreExpress to establish high-speed connectivity to its customer sites through their existing ISPs and rapidly establish new customer connections through the M20 router's auto provisioning features. Additionally, CoreExpress is leveraging the M20 router's advanced processing capabilities to track data transferred between business partners and bill its customers based on traffic transferred between customers with different classes of service. It will also enable CoreExpress to provide Service Level Agreement compensation directly proportional to the traffic sent to an affected site. With these capabilities, Core Express enables customers to share mission-critical data over the Internet with all of their business partners and add new ones quickly and easily, while adding a new layer of confidence for their customers through added performance and reliability.

About Core Express

CoreExpress is the first company to guarantee multi-ISP, site-to-site performance for data delivery over the Internet. The Company has developed an Internet core to deliver new premium quality services and provides businesses with the confidence to deploy mission-critical applications over the Internet. At the center of CoreExpress' Internet core is its revolutionary Internet Data Exchange System. The CoreExpress iDES platform pairs the Company's fiber optic network and proprietary technologies with financial incentives so that ISPs deliver each other's customer traffic in a premium quality fashion. The Company's innovative data communication service, CoreExpress Extranet, is the first of its kind. It provides businesses with the flexibility and ubiquitous access of the Internet combined with the site-to-site performance and reliability of a frame relay or point-to-point network. With this new class of extranet service, CoreExpress will enable the deployment of emerging applications over the Internet and fuel the growth of B2B e-commerce.

Strategic investors include Benchmark Capital and Morgan Stanley Dean Witter. CoreExpress is a privately held company headquartered in St. Louis and Herndon, VA.

About Juniper Networks, Inc.

Juniper Networks, Inc. is a leading provider of purpose-built systems that meet the scalability, performance, density, and compatibility requirements of rapidly evolving, optically enabled IP networks. These systems provide new IP infrastructure solutions for the world's leading service providers. Juniper Networks service and manufacturing teams and IP engineers work closely with customers to build and support customer networks. The company is headquartered in Sunnyvale, California. For more information, please visit our Web site at https://www.juniper.net.

Juniper Networks is a registered trademark of Juniper Networks, Inc. Internet Processor II and M20 are trademarks of Juniper Networks Inc. All other trademarks, service marks, registered trademarks, or registered service marks may be the property of their respective owners.