To preserve the drama for BIG BROTHER 8 television viewers, CBS may block or delay the mobilecast for a limited number of real-time events that transpire in the house.

CBS Corporation (NYSE: CBS.A and CBS) is a mass media company with constituent parts that reach back to the beginnings of the broadcast industry, as well as newer businesses that operate on the leading edge of the media industry. The Company, through its many and varied operations, combines broad reach with well-positioned local businesses, all of which provide it with an extensive distribution network by which it serves audiences and advertisers in all 50 states and key international markets. It has operations in virtually every field of media and entertainment, including broadcast television (CBS and The CW – a joint venture between CBS Corporation and Warner Bros. Entertainment), cable television (Showtime and CSTV Networks), local television (CBS Television Stations), television production and syndication (CBS Paramount Network Television and CBS Television Distribution), radio (CBS Radio), advertising on out-of-home media (CBS Outdoor), publishing (Simon & Schuster), interactive media (CBS Interactive), music (CBS Records), licensing and merchandising (CBS Consumer Products), video/ DVD (CBS Home Entertainment) and motion pictures (CBS Feature Films). For more information, log on to www.cbscorporation.com.

Verizon Wireless operates the nation’s most reliable wireless voice and data network, serving 62.1 million customers. The largest U.S. wireless company and largest wireless data provider, based on revenues, Verizon Wireless is headquartered in Basking Ridge, N.J., with 67,000 employees nationwide. The company is a joint venture of Verizon Communications (NYSE: VZ) and Vodafone (NYSE and LSE: VOD). Find more information on the Web at www.verizonwireless.com. To preview and request broadcast-quality video footage and high-resolution stills of Verizon Wireless operations, log on to the Verizon Wireless Multimedia Library at www.verizonwireless.com/multimedia.

MediaFLO USA Inc. unleashes the power of TV for mobile consumers, combining the best content, an intuitive user interface and a superior multicast network to deliver a true TV experience. The award-winning MediaFLO USA mobile entertainment service, called FLO TV, offers full-length simulcast and time-shifted programming from the world’s best entertainment brands, including CBS Mobile, Comedy Central, ESPN Mobile TV, FOX Mobile, MTV: Music Television, NBC2Go, NBC News2Go and Nickelodeon. The FLO TV service also will deliver short-format clips and real-time information and entertainment services. Based in San Diego, Calif., MediaFLO USA is a wholly owned subsidiary of QUALCOMM Incorporated. Further information is available at www.mediaflousa.com.

QUALCOMM is a registered trademark of QUALCOMM Incorporated. MediaFLO and FLO TV are trademarks of QUALCOMM Incorporated. All other trademarks are the property of their respective owners.