Press Release

Redback Networks to Present on Advancements in Triple Play Services at the RBC Capital Markets North American Technology Conference 

SAN JOSE, Calif., July 27, 2005 – Redback Networks Inc. (NASDAQ: RBAK), a leading provider of next-generation broadband networking systems, today announced Kevin A. DeNuccio, president and chief executive officer, will be presenting on advancements in triple play services at the RBC Capital Markets North American Technology Conference in San Francisco, California on Tuesday August 2, 2005 at 3:00 P.M. PST.

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.