Press Release

Redback Networks Schedules Webcast and Conference Call for Q3 2005 Results on October 19 

SAN JOSE, Calif, October 5, 2005 -- Redback Networks Inc. (NASDAQ: RBAK), will announce financial results of its third quarter of 2005 on October 19, 2005. In a conference call and live audio web cast, executive management will discuss the third quarter results.

The details of the call and web cast are as follows:

Date: Wednesday, October 19, 2005

Time: 2:45 p.m. PT/3:45 MT/4:45 CT/5:45 ET

Dial-in phone number: 1-847-619-6819 (domestic and international)

Web cast: You can also participate in the conference call via your computer by registering your name on Redback's Investor Center at: http://ir.redback.com

Telephone Replay available one hour after conclusion of call through October 26, 2005.

Dial-in: 1-630-652-3018 Passcode: 12850085

To ensure that the conference begins in a timely manner, please dial in 10 minutes prior to the scheduled start time.

About Redback Networks

Redback Networks Inc., a leading provider of next-generation broadband networking equipment, enables carriers and service providers to build Smart Broadband Networks that can deliver simplified, personalized and portable subscriber services to consumers and businesses. The company's carrier-class, consumer-scale SmartEdge® Router and Service Gateway platforms for Broadband IP combine subscriber management systems, IP edge routing and ethernet aggregation functions. In conjunction with the NetOp™ Element and Policy Manager platform it provides a powerful, flexible infrastructure for managing both residential and business users offer a variety of 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.