Investor Relations

BBC Radio 1 to Launch This Wednesday Exclusively on SIRIUS Satellite Radio

NEW YORK, Aug. 9, SIRIUS Satellite Radio (Nasdaq: SIRI - News), the content leader in radio, will launch the acclaimed BBC music channel Radio 1 in America starting this Wednesday at 9 am ET during the channel's popular Chris Moyles Breakfast Show.

SIRIUS' broadcast of BBC Radio 1 will bring its subscribers their first opportunity to listen to the most influential and highly acclaimed music channel from the UK.

BBC Radio 1 will provide SIRIUS subscribers with a cutting-edge mix of pop, rock, R&B and hip-hop music. Radio 1 is also internationally recognized for its support of up-and-coming British artists, its unique in-studio performances and interviews, its extensive coverage of the international music scene, and its engaging and informative hosts and entertainment information.

"BBC Radio 1's global popularity and its importance in the world of music can't be underestimated," said Scott Greenstein, SIRIUS President of Entertainment and Sports. "SIRIUS music channels and Radio 1 are both focused on the listener, and now SIRIUS subscribers will have the unique ability to enjoy this exceptional addition to our service."

BBC Radio 1 will be heard 24 hours a day on SIRIUS channel 97. The channel will be time-shifted by 5 hours so Americans can enjoy the channel's lineup as it was intended- Chris Moyles in the morning, Scott Mill's show in the afternoon, and kicking off the weekend with Pete Tong's Friday night Essential Selection.

To find out more about BBC Radio 1's programming, visit http://www.bbc.co.uk/radio1.

For more information about SIRIUS, visit www.sirius.com.

About SIRIUS

SIRIUS delivers more than 120 channels of the best commercial-free music, compelling talk shows, news and information, and the most exciting sports programming to listeners across the country in digital quality sound. SIRIUS offers 65 channels of 100% commercial-free music, and features over 55 channels of sports, news, talk, entertainment, traffic and weather for a monthly subscription fee of only $12.95. SIRIUS also broadcasts live play-by- play games of the NFL and NBA, and is the Official Satellite Radio partner of the NFL.

SIRIUS radios for the car, truck, home, RV and boat are manufactured by Alpine, Audiovox, Blaupunkt, Clarion, Delphi, Jensen, JVC, Kenwood, Pioneer, Sanyo and XACT Communications. Available in more than 25,000 retail locations, SIRIUS radios can be purchased at major retailers including Best Buy, Circuit City, Crutchfield, Costco, Office Depot, Sears, Target, Wal-Mart and RadioShack. SIRIUS is also available at heavy truck dealers and truck stops nationwide.

SIRIUS radios are currently offered in vehicles from Audi, BMW, Chrysler, Dodge, Ford, Infiniti, Jaguar, Jeep®, Land Rover, Lexus, Lincoln-Mercury, Mazda, Mercedes-Benz, MINI, Nissan, Scion, Toyota, Porsche, Volkswagen and Volvo. Hertz currently offers SIRIUS at major locations around the country.

Click on www.sirius.com to listen to SIRIUS live, or to find a SIRIUS retailer or car dealer in your area.

Any statements that express, or involve discussions as to, expectations, beliefs, plans, objectives, assumptions, future events or performance with respect to SIRIUS Satellite Radio Inc. are not historical facts and may be forward-looking and, accordingly, such statements involve estimates, assumptions and uncertainties which could cause actual results to differ materially from those expressed in any forward-looking statements. Accordingly, any such statements are qualified in their entirety by reference to the factors discussed in our Annual Report on Form 10-K for the year ended December 31, 2004 filed with the Securities and Exchange Commission. Among the key factors that have a direct bearing on our operational results are: our dependence upon third parties, including manufacturers of SIRIUS radios, retailers, automakers and programming partners, our competitive position and any events which affect the useful life of our satellites.