First Run and Other Premium Content from "America's Most Watched Network" Will Be Available on Joost

New York - April 12, 2007 - Joost™, the world's first broadcast-quality Internet television service, and CBS today announced that programming from America's most watched network will be available on the Joost platform when the service launches in spring 2007. Content to be made available is coming from across the CBS divisions and includes new and previously aired, full episodes from popular, current CBS programs, including the full CSI franchise: CSI: CRIME SCENE INVESTIGATION, CSI: NY and CSI: MIAMI, NCIS, NUMB3RS, SURVIVOR and brands including SHOWTIME, SHOWTIME CHAMPIONSHIP BOXING, CSTV, CBS EVENING NEWS WITH KATIE COURIC and CBS SPORTSLINE. The financial terms of the deal were not disclosed.

CBS partnered with Joost early on as a key launch partner and is the first broadcast network to join Joost's growing list of acclaimed content partners.

"Joost combines best in class technology with superb video quality and a management team with a proven track record," said Quincy Smith, President, CBS Interactive. "Partnering with Joost for the CBS Interactive Audience Network showcases our content and community on a service that allows for unique advertising opportunities and a delivery framework that maximizes cost efficiency."

Founded by Niklas Zennström and Janus Friis, Joost is powered by a secure, efficient, piracy-proof Internet platform that enables premium interactive video experiences while guaranteeing copyright protection for content owners and creators.

Yvette Alberdingk Thijm, executive vice president, content strategy and acquisition for Joost, said, "We are excited about partnering with CBS, as the premiere provider of top-notch content for television audiences. CBS came to Joost early on as the Joost platform is perfectly suited to high quality distribution of CBS' franchise properties to online communities. With this partnership, CBS will make its highly rated television properties available for new audiences and serve its existing audiences by making its content accessible in a community-driven, interactive environment that complements existing distribution models."

Joost will allow viewers to enjoy CBS channels and content within the US anywhere they can connect via broadband connection with select clips and full-length sports programming distributed worldwide. Through Joost, viewers can watch their favorite CBS series through a customizable platform with advanced television viewing features such as links that lead to more information or related websites based on the content; and a variety of plug-in applications, such as instant messaging, message boards, and news tickers.

The CBS programming to be made available on Joost includes the following:

• CSI: Crime Scene Investigation
• CSI: Miami
• CSI: NY
• NCIS
• Numb3rs
• Survivor
• Jericho
• Fat Actress
• Free for All
• CBS Evening News with Katie Couric
• CBS Sportsline
• Showtime Original Movies
• Showtime Boxing

Janus Friis, founder of Joost added, "Being able to offer Joost viewers award-winning CBS content is extremely exciting for Joost both because it's a testament to the value we can offer our content partners and because it ensures that our viewers are going to have a trusted source to view their new favorites as well as classics."

Currently available in an expanded beta, Joost combines the best of TV and the best of the Internet by offering viewers a unique, TV-like experience enhanced with the choice, control and flexibility of Web 2.0. Joost is the first online, global TV distribution platform, bringing together advertisers, content owners and viewers in an interactive, community-driven environment. Joost can be accessed with a broadband Internet connection and offers broadcast-quality content to viewers for free.

About Joost™

Joost™ provides a new way of watching TV that combines the best of full-screen television entertainment with online interactive and community benefits to bring an unprecedented selection of video content to viewers anytime, anywhere. Joost is based on a state-of-the-art, secure, peer-to-peer streaming technology.

To learn more about Joost or to become a beta-tester, visit www.joost.com.

About CBS

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.