XM Satellite Radio Schedules Third Quarter 2007 Financial Results Conference Call for October 25

XM Satellite Radio (NASDAQ: XMSR) has scheduled a conference call for Thursday, October 25, 2007, at 10:00 AM ET to announce and discuss its third quarter 2007 financial results. Prior to the call, XM Radio’s third quarter 2007 results will be posted to the Company’s Web site at http://www.xmradio.com/ and released to PR Newswire and First Call.

(Logo: http://www.newscom.com/cgi-bin/prnh/20070313/XMLOGO )

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

Call-in number: (877) 265-5808
Local call-in number: (706) 679-7931
Conference ID#: 20811705

The conference call can also be accessed through a live webcast on the Company’s Web site at http://www.xmradio.com/ (click on “Investor Info” link at the bottom of the page). The webcast of the call will also be archived on the Company’s Web site.

If you are unable to participate in the scheduled call, a replay of the conference call will be available after 11:30 a.m. ET on Thursday, October 25, 2007 until January 25, 2008.