NEWS RELEASE

XM SATELLITE CHANNELS NOW AVAILABLE ON DIRECTV

11/15/2005

Washington D.C., November 15, 2005 -- XM (NASDAQ: XMSR), the nation's leading satellite radio service with more than 5 million subscribers, is now available on DIRECTV, the nation's leading digital multichannel television service provider. Beginning today, 72 channels of XM's critically-acclaimed music, children's programming and content are available via DIRECTV, nearly doubling DIRECTV's current audio programming lineup at no additional cost. In addition to XM music channels and children's programming, DIRECTV is offering XM's "Home Plate" talk radio channel and XM's High Voltage channel, featuring talk radio stars .

Customers subscribing to the DIRECTV TOTAL CHOICE® programming package will have access to 50 XM Satellite Radio music channels. Customers subscribing to the DIRECTV TOTAL CHOICE® Plus programming package and above will have access to more than 65 channels. DIRECTV PARA TODOS® customers will also have access to the same XM channels, as well as five additional Latin music channels.

A complete list of XM channels for each tier of DIRECTV service is available online at http://www.directv.com/DTVAPP/packages/base.jsp.

About XM Satellite Radio XM is America's number one satellite radio service with more than 5 million subscribers. 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 150 digital channels of choice from coast to coast: the most commercial-free music channels, plus premier sports, talk, comedy, children's and entertainment programming; and 21 channels of the most advanced traffic and weather information. XM was named Best Radio Service at the 2004 Billboard Digital

1 Entertainment Awards.

XM, the leader in satellite-delivered entertainment and data services for the automobile market through partnerships with , , , Hyundai, and /Audi, is available in more than 130 different vehicle models for 2006. XM's industry-leading products are available at consumer electronics retailers nationwide. 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-Q filed with the Securities and Exchange Commission on 11-7-05. Copies of the filing are available upon request from XM Radio's Investor Relations Department.

XM Radio Contact David Butler Phone: 202-380-4317 [email protected]

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