Mel Karmazin to Keynote at The Morgan Stanley Global Automotive Conference

NEW YORK, April 6 -- SIRIUS Satellite Radio today announced that Mel Karmazin, its Chief Executive Officer, is expected to give the keynote speech at the Morgan Stanley Global Automotive Conference in New York, NY on Wednesday, April 12, 2006 at 8:00 a.m. EDT.

A live audio webcast of the speech will be available via the Investor Relations section of the Company's website http://www.sirius.com/ on Wednesday, April 12, 2006 at 8:00 a.m. EDT.

About SIRIUS

SIRIUS delivers more than 125 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 67 music channels available nationwide. SIRIUS also delivers 61 channels of sports, news, talk, entertainment, traffic, weather and data. SIRIUS is the Official Satellite Radio Partner of the NFL, NBA and NHL and broadcasts live play-by-play games of the NFL, NBA and NHL. All SIRIUS programming is available for a monthly subscription fee of only $12.95.

SIRIUS products for the car, truck, home, RV and boat are available in more than 25,000 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, BMW, Chrysler, Dodge, Ford, Infiniti, Jaguar, Jeep(R), Land Rover, Lexus, Lincoln-Mercury, Mazda, Mercedes-Benz, MINI, Nissan, Scion, Toyota, Porsche, Volkswagen and Volvo. Hertz also offers SIRIUS in its rental cars at major locations around the country.

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