Press Release

Neuf Telecom Expands Broadband Network With Next-Generation Redback Platform Fast Growing French CLEC Builds Smart Broadband Network to Meet Growing Demand With Scalability and Subscriber Services

SAN JOSE, Calif., September 7, 2004 – Redback Networks Inc. (NASDAQ: RBAK), a leading provider of next-generation broadband networking systems, today announced that the Neuf Telecom Group (formerly LDCOM), one of the largest carriers in France, has selected and deployed the next-generation SmartEdge® platform from Redback for the expansion of its broadband network associated with strong growth in new subscribers. Neuf Telecom has been adding about 150,000 new subscribers each quarter. The shift to the SmartEdge platform represents an evolution from its existing Redback SMS™ 10000SL broadband subscriber management systems. The new platform adds greater performance, scalability and the ability to provide advanced subscriber services, including custom delivery of voice and video.

“As we continue our dramatic growth, it is critical to have a broadband infrastructure that scales as we grow, without trading off high reliability,” said Francois Paulus, general manager, Network and Operation Division of Neuf Telecom. “Redback has been an important and stable part of our consumer broadband service since its inception; the SmartEdge platform brings us closer to the customer with advanced, personalized services as well as expanding the scalability and performance of our overall infrastructure.”

“We are pleased to help Neuf Telecom in building a Smart Broadband Network to serve consumers in the dynamic and competitive French market,” said Marco Wanders, vice president of sales and operations for Europe, Middle East and Africa for Redback Networks. “In this competitive market, the service provider needs an edge, and a highly reliable service platform with advanced subscriber services is the cornerstone of competitive differentiation for Neuf. We are proud to be a growing part of that solution.”

About Redback Networks

Redback Networks Inc., a leading provider of next-generation broadband networking equipment, enables carriers and service providers to build third-generation Smart Broadband Networks that can deliver simplified, personalized, portable subscriber services to consumers and businesses. The company's carrier-class, consumer-scale SmartEdge Router and Service Gateway platforms for Consumer IP combine subscriber management systems and edge routing and, in conjunction with the NetOp™ Element and Policy Manager platform, provide a powerful, flexible infrastructure for managing both subscribers and value-added services.

Founded in 1996 and headquartered in San Jose, Calif., with sales and technical support centers located worldwide, Redback Networks maintains a growing and global customer base of more than 500 carriers and service providers, including major local exchange carriers (LECs), inter-exchange carriers (IXCs), PTTs and service providers. For more information, visit Redback Networks at www.redback.com.

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REDBACK and SmartEdge are trademarks registered at the U.S. Patent and Trademark Office and in other countries. SMS and NetOp are trademarks of Redback Networks Inc. All other products or services mentioned are the trademark, service marks, registered trademarks or registered service marks of their respective owners.

Safe Harbor Statement under the Private Securities Litigation Reform Act of 1995

The statements contained in this press release that are not purely historical are forward-looking statements within the meaning of Section 21E of the Securities and Exchange Act of 1934, as amended, including statements regarding Redback Network’s expectations, beliefs, intentions or strategies regarding the future and including, without limitation, statements regarding Neuf Telecom’s ability to expand its broadband network and the ability of the Redback platform to scale and provide high reliability. All forward-looking statements included in this document are based upon information available to Redback Networks as of the date hereof, and Redback Networks assumes no obligation to update any such forward-looking statements. Forward-looking statements involve risks and uncertainties, which could cause actual results to differ materially from those projected. These risks and other risks relating to Redback Network’s business are set forth in the documents filed by Redback Networks with the Securities and Exchange Commission (SEC), specifically the most recent report on Form 10-K Form, Form 10-Q, Form 8-K, Redback’s Registration Statement on Form S-3 (File No. 333-114352), and amendments thereto, and the other reports filed from time to time with the SEC.