SIRIUS Satellite Radio To Announce Second Quarter 2005 Financial and Operating Results on August 2

SIRIUS Satellite Radio To Announce Second Quarter 2005 Financial and Operating Results on August 2

Company to Webcast Earnings Call for Investors and Media

NEW YORK, July 21 /PRNewswire-FirstCall/ -- SIRIUS Satellite Radio (NASDAQ:SIRI) today announced that it plans to release its second quarter 2005 financial and operating results before the market opens on Tuesday, August 2, 2005.

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

SIRIUS has scheduled a conference call at 8:00 am ET on August 2 to discuss these results. Investors and the press can listen to the conference call via the company's website, www.sirius.com, and on its satellite radio service by tuning to SIRIUS Channel 131.

A replay of the call will be available on the company's website.

About SIRIUS

SIRIUS delivers more than 120 channels of the best commercial-free music, compelling talk shows, news and information, and the most exciting sports programming to listeners across the country in digital quality sound. SIRIUS offers 65 channels of 100% commercial-free music, and features over 55 channels of sports, news, talk, entertainment, traffic and weather for a monthly subscription fee of only $12.95. SIRIUS also broadcasts live play-by- play games of the NFL and NBA, and is the Official Satellite Radio partner of the NFL.

SIRIUS radios for the car, truck, home, RV and boat are manufactured by Alpine, Audiovox, Blaupunkt, Clarion, Delphi, Jensen, JVC, Kenwood, Pioneer, Sanyo and XACT Communications. Available in more than 25,000 retail locations, SIRIUS radios can be purchased at major retailers including Best Buy, Circuit City, Crutchfield, Office Depot, Sears, Target, Wal-Mart and RadioShack. SIRIUS is also available at heavy truck dealers and truck stops nationwide.

SIRIUS radios are currently offered in vehicles from Audi, BMW, Chrysler, Dodge, Ford, Infiniti, Jeep(R), Land Rover, Lexus, Lincoln-Mercury, Mazda, Mercedes-Benz, MINI, Nissan, Scion, Toyota, Porsche, Volkswagen and Volvo. Hertz currently offers SIRIUS at major locations around the country.

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, 2004 filed with the Securities and Exchange Commission. Among the key factors that have a direct bearing on our operational results are: our dependence upon third parties, including manufacturers of SIRIUS radios, retailers, automakers and programming partners, our competitive position and any events which affect the useful life of our satellites.

Contacts: Jim Collins
Media
212-901-6422
jcollins@siriusradio.com

Michelle McKinnon
Investor Relations
212-584-5285
mmckinnon@siriusradio.com

Jaymie VanValkenburgh
Investor Relations
212-584-5158
jvanvalkenburgh@siriusradio.com

E-SIRI

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: Jim Collins, Media, 212-901-6422, or jcollins@siriusradio.com,
or Michelle McKinnon, Investor Relations, 212-584-5285, or
mmckinnon@siriusradio.com, or Jaymie VanValkenburgh, Investor Relations,
212-584-5158, or jvanvalkenburgh@siriusradio.com, all for SIRIUS Satellite
Radio

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

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