Sirius XM Radio Announces XM-5 Satellite has Been Successfully Placed in Orbit and Declared Ready for Service

Sirius XM Radio Announces XM-5 Satellite has Been Successfully Placed in Orbit and Declared Ready for Service

New satellite is intended to serve as an in-orbit spare for the existing fleet of SIRIUS and XM satellites, bolstering service to millions of customers

NEW YORK, Dec. 3, 2010 /PRNewswire/ --SIRIUS XM Radio (Nasdaq: SIRI), announced today that XM-5, the newest addition to its satellite fleet, has been successfully placed in orbit and was declared ready for service. The new satellite, which was manufactured by Space Systems/Loral, is intended to serve as an in-orbit spare for the existing fleet of SIRIUS and XM satellites.

(Logo: http://photos.prnewswire.com/prnh/20101019/NY84997LOGO )

The XM-5 satellite was launched October 14 from the Baikonur Cosmodrome in Kazakhstan aboard an International Launch Services (ILS) Proton. All orbit raising, deployments, and in orbit test are now successfully completed. The satellite will be situated at 85.2 degrees west longitude, over the eastern half of the United States. XM-5 is owned by XM Satellite Radio Inc., a wholly-owned subsidiary of SIRIUS XM.

"XM-5 will help ensure continuous and reliable delivery of service to millions of customers across North America," said Terry Smith, Chief Engineering Officer, SIRIUS XM Radio. "XM-5 is intended to bolster the reliability and longevity of our satellite fleet for many years to come and we congratulate our engineering team, Space Systems/Loral and International Launch Services on a successful launch and implementation."

About SIRIUS XM Radio

SIRIUS XM is America's satellite radio company, broadcasting more than 135 channels of commercial-free music, and premier sports, news, talk, entertainment, traffic, weather, and data services to more than 20 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, as well as from 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 September 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 September 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.

G-SIRI

Contact for SIRIUS XM Radio:

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

Sal Resendez
sal.resendez@siriusxm.com
646 313 2405

SOURCE SIRIUS XM Radio

Photo:http://photos.prnewswire.com/prnh/20101019/NY84997LOGO
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SIRIUS XM Radio

CONTACT: Patrick Reilly, +1-212-901-6646, patrick.reilly@siriusxm.com, or Sal Resendez, +1-646-313-2405, sal.resendez@siriusxm.com

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

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