Investor Relations

SIRIUS To Announce First Quarter 2004 Financial And Operating Results On April 21

NEW YORK – April 12, 2004 – SIRIUS Satellite Radio (NASDAQ: SIRI), known for delivering the very best in commercial-free music and premium sports programming to cars, homes and boats across the country, will announce first quarter 2004 financial and operating results on Wednesday, April 21, 2004. The company will hold a conference call at 10:00 A.M., Eastern Time. To access the call, please dial in approximately 10 minutes prior to the start time using one of the numbers below:

Call-in number: (973) 582-2745
Toll-free number: (877) 691-0878
Moderator: Joseph Clayton

The conference call will be simultaneously web-cast at

If you are unable to participate in the live call on April 21, an audio replay will be available after 12:00 P.M., Eastern Time, on April 21, through midnight on May 21. To access a replay of the call, please visit or dial one of the numbers below:

Replay number: (973) 341-3080
Toll-free replay number: (877) 519-4471
Pass code: 4692366

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, 2003 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.