XM Satellite Radio Conference Call for First Quarter 2005 Financial Results on April 27

XM Satellite Radio Conference Call for First Quarter 2005 Financial Results on April 27

WASHINGTON, April 15 /PRNewswire-FirstCall/ -- XM Satellite Radio (NASDAQ:XMSR) has scheduled a conference call on Wednesday, April 27, 2005 at 10:30 AM (ET) to announce and discuss its first quarter 2005 financial results. Prior to the call, XM Radio's quarterly results will be posted to the Company's website at http://www.xmradio.com/ and released to PR Newswire and First Call.

(Logo: http://www.newscom.com/cgi-bin/prnh/20000724/XMSATLOGO )

To listen to the conference call via telephone please dial-in to one of the following numbers approximately 10 minutes prior to the planned start of the call.

Call-in number: (800) 374-0551 Local call-in number: (706) 643-3460

The conference call can also be accessed via a live webcast on the Company's website, located at http://www.xmradio.com/. The webcast of the call will also be archived on the Company's website.

If you are unable to participate in the scheduled call, a replay of the conference call will be available after 1 p.m. on Wednesday, April 27, 2005 through 1 p.m. on May 4, 2005.

Playback Numbers: (800) 642-1687 Local call-in number: (706) 645-9291 Conference ID#: 5087879

About XM Satellite Radio

XM Satellite Radio is America's number one satellite radio service with 3.77 million subscribers. Broadcasting live daily from studios in Washington, DC, New York City and Nashville, XM offers more than 150 digital radio channels of choice from coast to coast: 67 commercial-free music channels, featuring hip hop to opera, classical to country, bluegrass to blues; 64 channels of premier sports, news, talk, comedy, children's and entertainment programming; and 21 channels of the most advanced traffic and weather information for major metropolitan areas nationwide. XM Satellite Radio is the satellite radio leader in sports programming, offering thousands of live sporting events every year. XM is the official satellite radio network for Major League Baseball, NASCAR, the Indy Racing League, the PGA TOUR, and the college sports conferences ACC, Pac-10, and Big Ten. XM was named Best Radio Service at the 2004 Billboard Digital Entertainment Awards.

XM is the leader in satellite-delivered entertainment and data services for the automobile market through partnerships with General Motors, Honda, Toyota, Hyundai, Nissan, and Volkswagen/Audi. XM is available in more than 120 different vehicle models for 2005. XM also is available in Avis, National, and Alamo rental cars. XM is the exclusive in-flight entertainment service for AirTran Airways, and will soon be available on JetBlue flights. 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, the Company'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 3-4-05. Copies of the filing are available upon request from XM Radio's Investor Relations Department.

Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20000724/XMSATLOGO AP Archive: http://photoarchive.ap.org/ PRN Photo Desk, photodesk@prnewswire.com Source: XM Satellite Radio

CONTACT: Gary Tiedemann of XM Satellite Radio, +1-202-380-4010, or gary.tiedemann@xmradio.com

Web site: http://www.xmradio.com/ http://listen.xmradio.com/

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