BigBand Networks Announces Pricing of Initial Public Offering

REDWOOD CITY, Calif., March 14, 2007 – BigBand Networks, Inc. (NASDAQ: BBND) today announced an initial public offering of 10,700,000 shares of its common stock at a price of $13.00 per share (before underwriting discounts and commissions). Of those shares, BigBand Networks will sell 7,500,000 shares and selling stockholders will sell 3,200,000 shares. Several of its stockholders have granted the underwriters the right to purchase an additional 1,605,000 shares of common stock to cover over-allotments. BigBand’s common stock will be listed on the Nasdaq Global Market under the symbol “BBND” and will begin trading on March 15, 2007.

Morgan Stanley and Merrill Lynch & Co. acted as joint book-running managers for the offering, with Jefferies & Company, Cowen and Company, and ThinkEquity Partners LLC serving as co-managers. A copy of the final prospectus relating to the offering may be obtained by contacting Morgan Stanley, 180 Varick Street, New York, NY 10014, Attention: Prospectus Department, by telephone at 212-761-6775 or by e-mail at prospectus@morganstanley.com, or by contacting Merrill Lynch & Co., 4 World Financial Center, North Tower, New York, NY 10080 or by telephone at 212-449-1000.

This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities, in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.

About BigBand Networks

BigBand Networks, Inc. is a leading provider of broadband multimedia infrastructure for video, voice and data. The company's solutions are designed to process, optimize, and deliver services such as broadband Internet, VoIP, digital broadcast television, HDTV, transport of high quality video, local advertising, VOD, interactive TV and IPTV through any network. Service providers use BigBand Networks' platforms in efforts to cost-effectively expand revenue-generating offerings of rich content and advanced interactive services. Customers include cable operators, U.S. telecommunications companies, as well as leading service providers in Asia, Europe and Latin America. Founded in 1998, BigBand Networks is based in Redwood City, Calif., with offices worldwide. For more information, please call 650-995-5000, email info@bigbandnet.com or visit www.bigbandnet.com.