BigBand Networks To Report Third Quarter 2008 Financial Results

October 8, 2008

REDWOOD CITY, Calif., October 8, 2008—BigBand Networks, Inc., (NASDAQ: BBND), a leading provider of video networking solutions, today announced that it will issue a press release reporting financial results for its third quarter ended September 30, 2008, immediately following the close of the market on Thursday, October 30, 2008.

The Company will host a corresponding conference call and live webcast at 2:00 p.m. Pacific Daylight Time on October 30, 2008. To access the conference call, dial +1-800-257-1836 for the U.S. or Canada and +1-303-262-2137 for international callers. The webcast will be available live on the Investor Relations section of the Company’s corporate website at www.bigbandnet.com, and via replay beginning approximately two hours after the completion of the call until the Company’s announcement of its financial results for the next quarter. An audio replay of the call will also be available to investors beginning at approximately 4:00 p.m. Pacific Daylight Time on October 30, 2008 until 11:59 p.m. Pacific Standard Time on November 6, 2008, by dialing +1-800-405-2236 or +1-303-590-3000 for callers outside the U.S. and Canada, and entering passcode 11120731#.