Wednesday January 5, 9:30 pm ET XM and Microsoft to Demonstrate XM Radio Online at 2005 Consumer Electronics Show in Las Vegas January 6 - 9 LAS VEGAS and WASHINGTON, Jan. 5 /PRNewswire-FirstCall/ -- XM Satellite Radio (Nasdaq: XMSR - News), the nation's leading provider of satellite radio with more than 3.2 million subscribers, is now offering its wide variety of commercial-free music and other exclusive XM programs through Microsoft's Windows XP Media Center Edition 2005. (Logo: http://www.newscom.com/cgi-bin/prnh/20000724/XMSATLOGO ) XM's premium Internet radio service XM Radio Online is now available as a feature of the Windows XP Media Center Edition 2005 Online Spotlight. XM Radio Online, which launched in October 2004, is also available through the Windows Media Player 10 Digital Media Mall. XM Radio Online offers 75 channels, including all of XM's commercial-free music channels, four online-only music channels, exclusive comedy and children's programming, "The Bob Edwards Show" from XM's public radio channel, and the popular talk radio duo Opie and Anthony. XM Radio Online will be on display at the Microsoft and XM Satellite Radio booths at the 2005 Consumer Electronics Show in Las Vegas. "We are thrilled to be working with Microsoft to offer XM Radio Online to millions of Windows XP users nationwide," said Phil Whitworth, Director of Product Marketing, XM Satellite Radio. "With the click of a mouse, you can enjoy an amazing variety of XM music channels and exclusive talk programming," Whitworth said. "Microsoft is pleased to be working with XM Satellite Radio to deliver a unique and compelling entertainment experience to Windows XP users," said Bill Mannion, Director of Windows Consumer Marketing for Microsoft Corp. "XM Radio Online offers an incredible range of music for every conceivable taste without commercial interruption and is a fantastic addition to the entertainment options we offer through Windows Media Player 10 and Windows XP Media Center Edition 2005 Online Spotlight." XM Radio Online subscribers listen to XM over the Internet for a monthly fee of $7.99. XM Satellite Radio subscribers receive a discounted rate for XM Radio Online of $3.99 a month. About XM Satellite Radio XM Satellite Radio (Nasdaq: XMSR - News) is America's number one satellite radio service with more than 3.2 million subscribers. Broadcasting live daily from studios in Washington, DC, New York City and Nashville at the Country Music Hall of Fame, XM's 2005 lineup includes more than 130 digital channels of choice from coast to coast: 68 one-hundred-percent commercial-free music channels, featuring critically-acclaimed original programming, concerts, and diverse musical genres ranging from hip hop to opera, classical to country, bluegrass to blues; more than 40 channels of premier sports, talk, comedy, children's and entertainment programming; and 21 channels of the most advanced traffic and weather information for major metropolitan areas nationwide. XM was named Best Radio Service at the 2004 Billboard Digital Entertainment Awards. Popular Science recently chose XM products for two prestigious "Best of What's New 2004" Awards. As the Official Satellite Radio Network for Major League Baseball (MLB) and the Exclusive Satellite Radio Service for NASCAR, as well as the Official Satellite Radio Service for ACC, PAC-10 and Big-10 collegiate football and basketball, XM Satellite Radio is the industry leader in sports radio programming, offering thousands of live sporting events each year. XM, the leader in satellite-delivered entertainment and data services for the automobile market through partnerships with General Motors, Honda, Toyota, Nissan and Volkswagen/Audi, is available in more than 120 different vehicle models for 2005. XM also is available in Avis, National, and Alamo rental cars, and will soon be available on JetBlue and AirTran Airways. Consumers can experience XM over the Internet through XM Radio Online at http://listen.xmradio.com. For more information about XM hardware, programming and partnerships, please visit http://www.xmradio.com. Factors that could cause actual results to differ materially from those in the forward-looking statements in this press release include demand for XM Satellite Radio's service, XM's dependence on technology and third party vendors, its potential need for additional financing, as well as other risks described in XM Satellite Radio Holdings Inc.'s Form 10-K filed with the Securities and Exchange Commission on 3-15-04. Copies of the filing are available upon request from XM Radio' s Investor Relations Department.