Press Release

Redback Networks to Present at Broadband World Forum Europe Conference

SAN JOSE, Calif., September 20, 2004 – Redback Networks Inc. (NASDAQ: RBAK), a leading provider of next-generation broadband networking systems, today announced that Marco Wanders, vice president of sales and operations for Europe, Middle East, Africa and India regions for Redback Networks, will chair and present at a panel session at Broadband World Forum Europe in Venice, Italy, on September 22, 2004 from 10:45 a.m to 12:15 p.m. The panel session, entitled, “Strategies for the Full-Service Broadband Operator,” will examine approaches for service providers to increase revenues through expanded broadband services.

In addition, Redback Networks will sponsor a roundtable discussion and reception for registered press at Broadband World Forum Europe on September 21 from 5:30 p.m. to 7:00 p.m. in the press conference room. The roundtable will feature a discussion on what changes consumers are likely to experience several years from now from the growth and advancement of broadband.

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. NetOp is a trademark 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.