Press Release

Redback Networks CMO Marco Wanders to Present at Broadband World Forum in Madrid 

Expert Panel Debates Architectural Approaches to Next-Generation Broadband and Delivery for IP Video

SAN JOSE, Calif., September 27, 2005 – Redback Networks Inc. (NASDAQ: RBAK), a leading provider of next-generation broadband networking systems, today announced that Marco Wanders, chief marketing officer, will present at the Broadband World Forum Europe in Madrid, Spain at the Palacio Municipal de Congresos on Tuesday, October 4, 2005 at 17:30 pm.

Mr. Wanders will participate in a panel, called “The True Costs and Opportunities of Broadband,” that will address major architectural decisions made by carriers in developing next-generation broadband and IP video delivery services. The expert panel will discuss in depth how such architectural decisions influence cost, speed, capacity, complexity, flexibility, and revenue generation.

To learn more about Redback Networks, please visit stand #6001 during the show exhibition.

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.

# # #

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.