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BigBand Networks Ranked Among the Fastest Growing Companies in North America on Deloitte’s 2009 Technology Fast 500™

Attributes company's growth to its digital video networking market share leadership

October 21, 2009

REDWOOD CITY, Calif., Oct. 21, 2009 — BigBand Networks, Inc. (NASDAQ: BBND) today announced that it was ranked for Technology Fast 500™, Deloitte LLP’s ranking of 500 of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. Rankings are based on percentage of fiscal year revenue growth during the five year period from 2004–2008.

BigBand Networks’ CEO, Amir Bassan-Eskenazi, credits the company’s ability to meet the needs of its customers for a high quality, cost efficient and reliable digital video delivery with the company’s revenue growth over the past five years. He said, "Service providers today look for ways to accommodate the exploding demand for high quality and personalized video services. With an economical and evolutionary approach, our solutions has enabled them to leverage their existing networks while gracefully migrate to the next generation of video delivery."

“Technology Fast 500™ recognizes innovative companies that have broken down barriers to success and defied the odds with their remarkable five-year revenue growth,” said Phil Asmundson, Vice Chairman and U.S. Technology, Media and Telecommunications leader, Deloitte LLP. "We congratulate BigBand Networks on this accomplishment."

“With its impressive five-year growth, BigBand Networks has earned its position among the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America,” said Mark Jensen, Managing Partner, Technology and Venture Capital Services, Deloitte & Touche LLP. ”Deloitte is proud to honor BigBand for its achievement.”

Technology Fast 500™ Selection and Qualifying Criteria
Technology Fast 500™ provides a ranking of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. This ranking is compiled from nominations submitted directly to the Technology Fast 500™ website, and public company database research conducted by Deloitte. Technology Fast 500™ award winners for 2009 are selected based on percentage fiscal year revenue growth during the five year period from 2004 to 2008.

In order to be eligible for Technology Fast 500™ recognition, companies must own proprietary intellectual property or proprietary technology that contributes to a significant portion of the company's operating revenues. Using other companies' technology or intellectual property in a unique way does not satisfy this requirement. Consulting companies, professional service firms, etc. are not eligible unless they have proprietary technology that contributes to a significant portion of their operating revenues.

Technology Fast 500™ award eligibility requirements also include base-year operating revenues of at least $50,000 USD or CD, and current-year operating revenues of at least $5 million USD or CD. These revenues must have more than doubled between 2004 and 2008. Additionally, companies must be in business for a minimum of five years, and be headquartered within North America.

About BigBand Networks

BigBand Networks, Inc. [NASDAQ: BBND] provides broadband service providers with innovative network solutions designed to make it easier to move, manage and monetize video. These solutions are based on BigBand's video-networking platforms that are built to enable efficient and reliable delivery across a wide range of services, including digital TV, high definition TV, advanced advertising, video-on-demand and interactive TV. BigBand Networks' customers include more than 200 service providers -- including seven of the ten largest service providers in the U.S. -- and leading cable and telco service providers in North America, Asia, Europe and Latin America. BigBand Networks is based in Redwood City, Calif., with offices worldwide. For additional information about the company, please call +1.650.995.5000, email info@bigbandnet.com or visit www.bigbandnet.com.

About Deloitte

As used in this document, “Deloitte” means Deloitte LLP. Please see www.deloitte.com/about for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.