SIRIUS AND PIONEER OFFER TUNER FOR SATELLITE RADIO
New Tuner Compatible With SAT-Ready Head Units From Pioneer

NEW YORK and LAS VEGAS, NV - January 5, 2005 - SIRIUS Satellite Radio (NASDAQ: SIRI) and Pioneer Electronics (USA) Inc., an established leader in mobile entertainment products, today announced at the Consumer Electronics Show in Las Vegas the availability of a new tuner for SIRIUS that is compatible with satellite-ready head units and most IP-Bus head units from Pioneer.

The new SIR-PNR1 tuner will come equipped with all installation hardware, including the SIRIUS antenna, for the manufacturer's suggested retail price of $120.

"Pioneer consumers now have a choice of satellite radio service," said Michael Townsen, director of marketing for the mobile entertainment division of Pioneer Electronics (USA) Inc.  "The SIRIUS tuner is compatible with millions of head units with IP-Bus changer controls we've sold throughout the years.  Offering an add-on SIRIUS tuner shows our commitment to the satellite radio business."

"We are thrilled to add Pioneer to the long list of companies now producing satellite radio products for SIRIUS," said Larry Pesce, Senior Vice President of Product Management and Strategic Planning.  "Their reputation for building quality products is well-known throughout the world, and we are very pleased that Pioneer customers will now have the opportunity to access SIRIUS' quality programming."

The Pioneer SIR-PNR1 will be available at retail stores beginning this month.