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Juniper Networks Becomes Participating Organization Member of PCI Security Standards Council

Juniper to Participate in Global Forum to Enhance Payment Cardholder Data Security

SUNNYVALE, Calif., September 3, 2008 - Juniper Networks, Inc. (NASDAQ: JNPR), the leader in high-performance networking, today announced that it has joined the PCI Security Standards Council as a new Participating Organization. As a Participating Organization, Juniper Networks will work with the Council to evolve the PCI Data Security Standard (DSS) and other payment card data protection standards.

The PCI DSS, endorsed by American Express, Discover Financial Services, JCB International, MasterCard Worldwide and Visa Inc., requires merchants and service providers that store, process or transmit customer payment card data to adhere to information security controls and processes that ensure data integrity. More information on the council and the standard can be found at www.pcisecuritystandards.org.

As a Participating Organization, Juniper Networks has access to the latest payment card security standards from the Council, and is able to provide feedback on the standards and recommend new initiatives for consideration. In an era of increasingly sophisticated behavioral-based attacks on systems, adhering to the PCI DSS represents one of an entity's best protection strategies against data criminals. By joining as a Participating Organization, Juniper Networks is adding its voice to the process to ensure credit card transaction, consumers and credit card processors are properly protected.

"The PCI Security Standards Council is committed to helping everyone involved in the payment chain protect consumer payment data," said Bob Russo, General Manager of the PCI Security Standards Council. "By participating in the standards setting process, Juniper Networks demonstrates they are playing an active part in this important end goal."

"Enterprises and service providers are under tremendous pressure to align IT with business requirements in key areas such as regulatory compliance," said Stephen Singh, vice president of marketing, Financial Services & Global Banking, Juniper Networks. "With our proven practices and high-performance network infrastructure and services, we can help to evolve the PCI DSS and other payment card data protection standards to deliver compliance solutions that are easy to deploy and maintain, improve risk mitigation, and enable businesses to be competitive."

About PCI Security Standards Council

The mission of the PCI Security Standards Council is to enhance payment account security by driving education and awareness of PCI security standards. For more information, please visit www.pcisecuritystandards.org.

About Juniper Networks

Juniper Networks, Inc. is the leader in high-performance networking. Juniper offers a high-performance network infrastructure that creates a responsive and trusted environment for accelerating the deployment of services and applications over a single network. This fuels high-performance businesses. Additional information can be found at www.juniper.net.

Juniper Networks and Junos are registered trademarks of Juniper Networks, Inc. in the United States and other countries. The Juniper Networks and Junos logos are trademarks of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.