Investor Relations

Multi Platinum Artist 50 Cent to Perform Live at SIRIUS Satellite Radio

Performance for fans will air live on G-Unit Radio, SIRIUS' weekly all-day broadcast produced by 50 Cent

NEW YORK, Sept 13, 2007 /PRNewswire-FirstCall via COMTEX News Network/ --

SIRIUS Satellite Radio (Nasdaq: SIRI) announced today that multi-platinum artist 50 Cent will perform live for fans at its studios in New York City. 50 Cent will be joined by his G-Unit Records labelmates Lloyd Banks and Tony Yayo. The performance will feature songs from 50 Cent's new album Curtis, and will be broadcast live on G-Unit Radio, the weekly SIRIUS radio show that is produced by 50 Cent. The performance will air in front of a live studio audience on September 29th at 9 pm ET on Shade 45, channel 45.

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G-Unit Radio fans can enter to win tickets for this exclusive performance beginning on Friday September 14th at 1 pm ET by logging onto www.sirius.com/shade45 .

G-Unit Radio, a weekly all-day broadcast produced by 50 Cent and his DJ, DJ Whoo Kid, airs Saturdays on Shade 45, the 24 hour-a-day, uncensored, commercial-free hip-hop channel created by Eminem. G-Unit Radio features a mix of shows, celebrity interviews and the latest music from the newest artists in the world of hip-hop.

50 Cent is one of the most successful figures in rap music history. His 2003 debut album, Get Rich or Die Tryin, was certified 7x platinum with his follow-up The Massacre, certified 5x platinum. Curtis is the artist's 3rd studio album. Besides his recording career, 50 Cent also starred in the 2005 film, Get Rich or Die Trying, and heads up his own label, G-Unit Records through Interscope, runs his own apparel line G-Unit Clothing, and has his own personal flavor of the popular sports beverage Vitawater aptly named, Formula 50.

    To learn more about SIRIUS, please visit www.sirius.com.

    About SIRIUS

SIRIUS, "The Best Radio on Radio," delivers more than 130 channels of the best programming in all of radio. SIRIUS is the original and only home of 100% commercial free music channels in satellite radio, offering 69 music channels. SIRIUS also delivers 65 channels of sports, news, talk, entertainment, traffic, weather and data. SIRIUS is the Official Satellite Radio Partner of the NFL, NASCAR and NBA, and broadcasts live play-by-play games of the NFL and NBA, as well as live NASCAR races. All SIRIUS programming is available for a monthly subscription fee of only $12.95.

SIRIUS Internet Radio (SIR) is a CD-quality, Internet-only version of the SIRIUS radio service, without the use of a radio, for the monthly subscription fee of $12.95. SIR delivers more than 80 channels of talk, entertainment, sports, and 100% commercial free music.

SIRIUS Backseat TV(TM) is the first ever live in-vehicle rear seat entertainment featuring three channels of children's TV programming, including Nickelodeon, Disney Channel and Cartoon Network, for the subscription fee of $6.99 plus applicable audio subscription fee.

SIRIUS products for the car, truck, home, RV and boat are available in more than 20,000 retail locations, including Best Buy, Circuit City, Crutchfield, Costco, Target, Wal-Mart, Sam's Club, RadioShack and at shop.sirius.com.

SIRIUS radios are offered in vehicles from Audi, Bentley, BMW, Chrysler, Dodge, Ford, Infiniti, Jaguar, Jeep(R), Land Rover, Lexus, Lincoln, Mercury, Maybach, Mazda, Mercedes-Benz, MINI, Mitsubishi, Nissan, Rolls Royce, Scion, Toyota, Volkswagen, and Volvo. Hertz also offers SIRIUS in its rental cars at major locations around the country.

Click on www.sirius.com to listen to SIRIUS live, or to purchase a SIRIUS radio and subscription.

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, 2006 filed with the Securities and Exchange Commission. Among the significant factors that could cause our actual results to differ materially from those expressed are: our pending merger with XM Satellite Radio Holdings, Inc. ("XM"), including related uncertainties and risks and the impact on our business if the merger is not completed; any events which affect the useful life of our satellites; our dependence upon third parties, including manufacturers of SIRIUS radios, retailers, automakers and programming providers; and our competitive position versus other audio entertainment providers.

    P-SIRI

    MEDIA CONTACT:

    Neel Khairzada
    SIRIUS
    212-584-5243
    nkhairzada@siriusradio.com

SOURCE SIRIUS Satellite Radio

http://www.sirius.com

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