SIRIUS XM Increases Year End 2010 Subscriber Guidance

SIRIUS XM Increases Year End 2010 Subscriber Guidance

Company Expects to End 2010 With Approximately 20.1 Million Subscribers

NEW YORK, Oct. 1 /PRNewswire/ --Mel Karmazin, Chief Executive Officer of SIRIUS XM Radio (Nasdaq: SIRI), today announced that the company expects to finish 2010 with approximately 20.1 million subscribers, an all-time subscriber high for the company. SIRIUS XM's projection implies the company now expects net subscriber additions of approximately 1.3 million in 2010.

(Logo: http://photos.prnewswire.com/prnh/20080819/NYTU044LOGO )

(Logo: http://www.newscom.com/cgi-bin/prnh/20080819/NYTU044LOGO )

SIRIUS XM plans to release and discuss its full subscriber and financial results for the third quarter 2010 by early November 2010.

About SIRIUS XM Radio

SIRIUS XM is America's satellite radio company, broadcasting more than 130 channels of commercial-free music, and premier sports, news, talk, entertainment, traffic, weather, and data services to more than 19.5 million subscribers in cars, trucks, boats and aircraft, and through a wide range of mobile devices.

SIRIUS XM offers an array of content from some of the biggest names in entertainment, including professional sports leagues, major colleges, and national news and talk providers. SIRIUS XM programming is also available at sirius.com and xmradio.com, and on Apple iPhone and iPod touch, BlackBerry and Android-powered mobile devices using the SIRIUS XM Premium Online App.

SIRIUS XM has arrangements with every major automaker and its radio products are available at retail locations nationwide, as well as shop.sirius.com and shop.xmradio.com.

This communication contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements include, but are not limited to, statements about future financial and operating results, the combined company's plans, objectives, expectations and intentions with respect to future operations, products and services; and other statements identified by words such as "will likely result," "are expected to," "will continue," "is anticipated," "estimated," "intend," "plan," "projection," "outlook" or words of similar meaning. Such forward-looking statements are based upon the current beliefs and expectations of SIRIUS XM's management and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are difficult to predict and generally beyond the control of SIRIUS and XM. Actual results may differ materially from the results anticipated in these forward-looking statements.

The following factors, among others, could cause actual results to differ materially from the anticipated results or other expectations expressed in the forward-looking statement: our dependence upon automakers and other third parties, the substantial indebtedness of SIRIUS and XM; the useful life of our satellites; and our competitive position versus other forms of audio and video entertainment. Additional factors that could cause SIRIUS' and XM's results to differ materially from those described in the forward-looking statements can be found in SIRIUS' Annual Report on Form 10-K for the year ended December 31, 2009 and its Quarterly Report on Form 10-Q for the period ending June 30, 2010 and XM's Annual Report on Form 10-K for the year ended December 31, 2009 and its Quarterly Report on Form 10-Q for the period ending June 30, 2010, which are filed with the Securities and Exchange Commission (the "SEC") and available at the SEC's Internet site (http://www.sec.gov). The information set forth herein speaks only as of the date hereof, and SIRIUS and XM disclaim any intention or obligation to update any forward looking statements as a result of developments occurring after the date of this communication.

E-SIRI

Contact Information for Investors and Financial Media:

Investors:

William Prip
212 584 5289
william.prip@siriusxm.com

Hooper Stevens
212 901 6718
hooper.stevens@siriusxm.com

Media:

Patrick Reilly
212 901 6646
patrick.reilly@siriusxm.com

SOURCE SIRIUS XM

Photo:http://www.newscom.com/cgi-bin/prnh/20080819/NYTU044LOGO
http://photoarchive.ap.org/
Photo:http://photos.prnewswire.com/prnh/20080819/NYTU044LOGO
http://photoarchive.ap.org/
SIRIUS XM

CONTACT: Investors: William Prip, +1-212-584-5289, william.prip@siriusxm.com; or Hooper Stevens, +1-212-901-6718, hooper.stevens@siriusxm.com; or Media: Patrick Reilly, +1-212-901-6646, patrick.reilly@siriusxm.com

Web Site: http://www.sirius.com

-------
Profile: intent