Investor Relations

SIRIUS HITS ONE OUT OF THE PARK WITH 2003 MAJOR LEAGUE BASEBALL PLAYOFF AND WORLD SERIES COVERAGE

NEW YORK – September 22, 2003 – SIRIUS (NASDAQ: SIRI), known for delivering the very best in commercial-free music and premium broadcast entertainment to cars and homes across the country, today announced that SIRIUS subscribers will have access to complete play-by-play coverage of Major League Baseball's Divisional Series, League Championship Series and World Series on ESPN Radio, stream 120, throughout the 2003 post-season. Coverage will begin September 30.

“SIRIUS is committed to bringing subscribers closer to the playing field with our sports programming," said Jay Clark, Executive Vice President of Programming, SIRIUS. “Partners such as ESPN Radio allow us to provide our listeners with a front row seat to the best in sports programming.”

"ESPN Radio on SIRIUS provides subscribers with expert play-by-play coverage of some of the most exciting games in baseball, no matter where they are,” said ESPN Radio Vice President T.J. Lambert. “We’re excited to provide this kind of access to sports fans nationwide.”

For a complete schedule of all MLB coverage on SIRIUS and ESPN Radio, please visit www.sirius.com or www.espnradio.com for updates.

SIRIUS is committed to offering depth of choice in sports programming. Coupled with ESPN Radio, ESPNEWS and Sports Byline USA, SIRIUS offers live coverage of more than 40 games a week of the National Basketball Association. SIRIUS also broadcasts live play-by-play coverage of the NCAA College Football Bowl Championship Series via ESPN Radio.

About SIRIUS

SIRIUS is the only satellite radio service bringing listeners more than 100 streams of the best music and entertainment coast-to-coast. SIRIUS offers 60 music streams with no commercials, along with over 40 world-class sports, news and entertainment streams for a monthly subscription fee of only $12.95, with greater savings for upfront payments of multiple months or a year or more. Stream Jockeys create and deliver uncompromised music in virtually every genre to our listeners 24 hours a day. Satellite radio products bringing SIRIUS to listeners in the car, truck, home, RV and boat are manufactured by Kenwood, Panasonic, Clarion and Audiovox, and are available at major retailers including Circuit City, Best Buy, Car Toys, Good Guys, Tweeter, Ultimate Electronics, Sears and Crutchfield. SIRIUS is the leading OEM satellite radio provider, with exclusive partnerships with DaimlerChrysler, Ford and BMW. Automotive brands currently offering SIRIUS radios in select new car models include BMW, MINI, Chrysler, Dodge, Jeep®, Nissan, Infiniti, Mazda, Audi, Ford and Lincoln-Mercury. Automotive brands that have announced plans to offer SIRIUS in select models include Mercedes-Benz, Jaguar, Volvo, Volkswagen, Land Rover and Aston Martin. Genmar Holdings, the world’s largest manufacturer of recreational boats, Formula Boats and Winnebago, the leading supplier of recreational vehicles and motor homes, have also announced plans to offer SIRIUS.

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, 2002 filed with the Securities and Exchange Commission. Among the key factors that have a direct bearing on our results of operations are: our dependence upon third parties to manufacture, distribute, market and sell SIRIUS radios and components for those radios; the unproven market for our service; our competitive position and any events which affect the useful life of our satellites.