SIRIUS XM Radio Offers Motorsports Fans Unrivaled Coverage of NASCAR(R), IndyCar(R), Formula 1(TM) and American Le Mans Series Racing

SIRIUS XM Radio Offers Motorsports Fans Unrivaled Coverage of NASCAR(R), IndyCar(R), Formula 1(TM) and American Le Mans Series Racing

With the most recent addition of IndyCar(R) to "Best of XM" on SIRIUS, all four racing disciplines are available for first time to both SIRIUS and XM listeners

SIRIUS XM, the leader in motorsports, is the only place to get live coverage of every NASCAR, every IndyCar(R), every Formula 1(TM) and every American Le Mans Series race

Listeners from coast to coast get access to 145 auto races

NEW YORK, April 17 /PRNewswire-FirstCall/ -- SIRIUS XM Radio (NASDAQ: SIRI) will provide listeners from coast to coast with unparalleled coverage of the world's greatest auto racing series with live coverage of every NASCAR race, every IndyCar(R) Series race, every Formula 1(TM) race and every American Le Mans Series race.

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

Recently, SIRIUS XM announced that all IndyCar(R), Formula 1(TM) and American Le Mans Series races will be available to both SIRIUS and XM listeners in 2009, joining NASCAR races, which have been available to both SIRIUS subscribers and XM subscribers since October, 2008. With IndyCar(R) season kicking off earlier this month, all four seasons are now in full swing and are available to both SIRIUS and XM listeners.

SIRIUS XM Radio is the only media outlet to air every event from all four of these auto racing series, giving motorsports fans around the country access to the world's best racing on oval tracks, road course tracks and street circuits.

This weekend's live race coverage includes five world class events:

Friday, April 17, 9:00pm ET: Basha's Supermarkets 200 NASCAR Nationwide
Series race
Phoenix, AZ - SIRIUS 128 / XM 128 ("Best
of SIRIUS")

Saturday, April 18, 7:00pm ET: Tequila Patron American Le Mans Series at
Long Beach
Long Beach, CA - SIRIUS 126 / XM 242

Saturday, April 18, 8:00pm ET: Subway Fresh Fit 500 NASCAR Sprint Cup
Series Race
Phoenix, AZ - SIRIUS 128 / XM 128 ("Best
of SIRIUS")

Sunday, April 19, 3:00am ET: Formula 1 Chinese Grand Prix
Shanghai, China - SIRIUS 126 / XM 242

Sunday, April 19, 4:00pm ET: IndyCar Series Toyota Grand Prix of Long
Beach
Long Beach, CA - XM 145 / SIRIUS 212
("Best of XM")

"For the first time, every race from all the major auto racing series in the world -- 145 events in total -- is available on one radio," said Scott Greenstein, SIRIUS XM's President and Chief Content Officer. "No one else, on TV or radio, offers that kind of access. No matter where you live or what you are a fan of - the fender-to-fender racing of NASCAR, the speed of IndyCar, the precision of Formula 1, or the endurance of American Le Mans Series - SIRIUS XM is the clear choice for motorsports enthusiasts."

As the Official Satellite Radio Partner of NASCAR, SIRIUS XM broadcasts every NASCAR Sprint Cup Series, NASCAR Nationwide Series and NASCAR Camping World Truck Series race live on SIRIUS NASCAR Radio, available nationwide on SIRIUS channel 128 and on XM channel 128 with the "Best of SIRIUS" programming package. As part of the coverage of Sprint Cup Series races, SIRIUS XM also offers additional Driver2Crew Chatter(TM) channels that allow fans to follow team strategy by listening in to the in-car communications between drivers and pit crews. For more info visit www.sirius.com/nascar.

SIRIUS XM will broadcast every IndyCar(R) Series race live on XM channel 145 and on SIRIUS channels 211/212 as part of the "Best of XM" package, including the 93rd Indianapolis 500 at Indianapolis Motor Speedway on May 24. Motorsports fans will hear pre-race programming, including interviews and commentary, as well as live wheel-to-wheel action on the track. Throughout the season, fans can also tune in to Indy Racing Weekly, the exclusive weekly show focused on the IndyCar(R) Series with expert analysis, race highlights and interviews, on XM channel 145 and SIRIUS channel 211 (part of the "Best of XM"). For more info visit www.xmradio.com/irl.

Racing fans can tune in to hear every American Le Mans Series race of the season on SIRIUS channel 126 and XM channel 242. Both channels are available with the SIRIUS and XM subscriptions. The American Le Mans Series is North America's premier sports car series, featuring high-tech cars from the most prestigious automobile manufacturers in the world -- including Acura, Aston Martin, Audi, BMW, Mazda, Porsche, Corvette, Ferrari and Panoz -- competing in a combination of endurance and sprint races on road racing tracks as well as street circuits in major urban markets. Races feature exotic, open-top prototypes and sophisticated production-based Grand Touring (GT) cars all competing on the track at the same time. For more info visit www.xmradio.com/alms.

As the exclusive North American radio broadcaster of all Formula One(TM) (F1) races, SIRIUS XM will carry the entire 2009 calendar of races live from the Australian Grand Prix on March 29 through the Abu Dhabi Grand Prix on November 1. Multiple replays will follow the live broadcast. F1(TM) races air nationwide on SIRIUS channel 126 and XM channel 242. Both channels are available with the SIRIUS and XM subscriptions. The FIA Formula 1 World Championship(TM) season of 17 races, known as Grands Prix, is run on road course circuits, and in a few cases on closed city streets, around the globe. The results of each race are combined to determine two annual World Championships, one for drivers and one for constructors (teams).

SIRIUS XM's coverage also features an exclusive F1(TM) pre-race show hosted by veteran auto racing journalist Adam Cooper. The SIRIUS Formula 1(TM) Pre-Race Show will lead in to every Grand Prix race, offering listeners the latest team news and information, a recap of qualifying results, driver interviews and an in-depth examination of that weekend's circuit. More info can be found at www.sirius.com/f1.

SIRIUS XM's motorsports schedule is a feature of the extensive European sports programming the satellite radio broadcaster offers. Listeners can also hear world class soccer from the English Premier League, Champions League and Scottish Premier League, plus World Cup skiing events from around the globe.

About SIRIUS XM Radio

SIRIUS XM Radio is America's satellite radio company delivering commercial-free music channels, premier sports, news, talk, entertainment, traffic and weather, to more than 19 million subscribers as of December 31, 2008.

SIRIUS XM Radio has content relationships with an array of personalities and artists, including Howard Stern, Martha Stewart, Oprah Winfrey, Jimmy Buffett, Jamie Foxx, Barbara Walters, Opie & Anthony, Bubba the Love Sponge(R), The Grateful Dead, Willie Nelson, Bob Dylan, Tom Petty, and Bob Edwards. SIRIUS XM Radio is the leader in sports programming as the Official Satellite Radio Partner of the NFL, Major League Baseball(R), NASCAR(R), NBA, NHL(R), and PGA TOUR(R), and broadcasts major college sports.

SIRIUS XM Radio has arrangements with every major automaker. SIRIUS XM Radio products are available at shop.sirius.com and shop.xmradio.com, and at retail locations nationwide, including Best Buy, RadioShack, Target, Sam's Club, and Wal-Mart.

SIRIUS XM Radio also offers SIRIUS Backseat TV, the first ever live in-vehicle rear seat entertainment featuring Nickelodeon, Disney Channel and Cartoon Network; XM NavTraffic(R) service for GPS navigation systems delivers real-time traffic information, including accidents and road construction, for more than 80 North American markets.

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 the benefits of the business combination transaction involving SIRIUS and XM, including potential synergies and cost savings and the timing thereof, 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," "anticipate," "believe," "plan," "estimate," "intend," "will," "should," "may," or words of similar meaning. Such forward-looking statements are based upon the current beliefs and expectations of SIRIUS' and 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 substantial indebtedness; the businesses of SIRIUS and XM may not be combined successfully, or such combination may take longer, be more difficult, time-consuming or costly to accomplish than expected; the useful life of our satellites; our dependence upon automakers and other third parties; our competitive position versus other forms of audio and video entertainment; and general economic conditions. 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, 2008 and XM's Annual Report on Form 10-K for the year ended December 31, 2008, 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.

P-SIRI

Contact for SIRIUS XM Radio:
Andrew FitzPatrick
SIRIUS XM
212.901.6693
Andrew.Fitzpatrick@siriusxm.com

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

CONTACT: Andrew FitzPatrick for SIRIUS XM Radio, +1-212-901-6693,
Andrew.Fitzpatrick@siriusxm.com

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

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