Mel Karmazin to Keynote at The Lehman Brothers Worldwide Wireless Conference

Mel Karmazin to Keynote at The Lehman Brothers Worldwide Wireless Conference

NEW YORK, May 30 /PRNewswire-FirstCall/ -- SIRIUS Satellite Radio (NASDAQ:SIRI) today announced that Mel Karmazin, its Chief Executive Officer, is expected to participate in a keynote discussion at the Lehman Brothers Worldwide Wireless Conference in New York, NY on Thursday, May 31, 2007 at approximately 4:30 pm ET.

(Logo:

http://www.newscom.com/cgi-bin/prnh/19991118/NYTH125 )

A live audio webcast of the keynote discussion will be available via the Investor Relations section of the Company's website, www.sirius.com on Thursday, May 31, 2007, at approximately 4:30 pm ET.

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, NBA and NHL, and broadcasts live play-by- play games of the NFL, NBA and NHL, 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 75 channels of talk, entertainment, sports, and 100% commercial free music.

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, 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.

G-SIRI

INVESTOR RELATIONS CONTACT:

Azure Rae
SIRIUS
212 584 5158
arae@siriusradio.com

First Call Analyst:
FCMN Contact: sresendez@siriusradio.com

Photo: NewsCom:

http://www.newscom.com/cgi-bin/prnh/19991118/NYTH125
AP Archive:

http://photoarchive.ap.org/
PRN Photo Desk, photodesk@prnewswire.com
Source: SIRIUS Satellite Radio

CONTACT: Azure Rae, of SIRIUS, +1-212-584-5158, arae@siriusradio.com

Web site:

http://www.sirius.com/

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