XM Radio's Second Satellite Sails for Equator

With XM's 'Rock' in Orbit, 'Roll' Scheduled for May 7 Launch



Apr 25, 2001, 01:00 ET from XM Satellite Radio

    WASHINGTON, April 25 /PRNewswire/ -- XM Satellite Radio's (Nasdaq:   XMSR)
 "XM Roll" satellite is aboard the Sea Launch platform on its way from
 California to the equatorial Pacific Ocean, where it is scheduled to launch
 into orbit May 7.
     (Photo:  http://www.newscom.com/cgi-bin/prnh/20000724/XMSATLOGO )
     The Odyssey Launch Platform, carrying XM Roll, to be joined by the
 Assembly and Command Ship, Sea Launch Commander, are sailing approximately
 3,000 miles from Long Beach, Calif., to the launch site on the Equator at 154
 degrees West Longitude, in open waters of the Pacific Ocean. A 200-foot Zenit-
 3SL rocket will lift the 10,289 lb. (4,672 kg) digital audio radio satellite
 to geosynchronous transfer orbit. Its final position will be at 85 degrees
 West Longitude.
     XM's first satellite, "Rock," which launched from Sea Launch's platform in
 the Pacific on March 18, has performed flawlessly and is locking into its
 final geostationary orbit 22,300 miles above the Earth.
     XM's third satellite, a spare, is fully built and undergoing final
 testing.  All three satellites are Boeing 702 models, manufactured by industry
 leader Boeing Satellite Systems, a unit of The Boeing Company.  The satellites
 are the most powerful commercial satellites ever built and will be positioned
 above the United States, where they will transmit up to 100 channels of XM's
 revolutionary radio programming to XM radios across the continental United
 States.  By using two powerful satellites, each with the same nationwide
 coverage, XM will ensure maximum signal and system reliability.
     XM will transform radio, an industry that has seen little technological
 change since FM, almost 40 years ago.  XM will create and package up to 100
 channels of digital-quality sound and provide coast-to-coast coverage of
 music, news, sports, talk, comedy and children's programming.  XM won several
 awards at the International Consumer Electronics Show in January, including
 "Best of CES" in the automotive category.  Service is scheduled to begin this
 summer.
     The Sea Launch Company, an international partnership, is the world's only
 ocean-based commercial launch service company, offering the most direct and
 cost-effective route to transfer orbit.
     XM's strategic investors include America's leading car, radio and
 satellite TV companies -- General Motors, American Honda Motor Co. Inc., Clear
 Channel Communications, DIRECTV and Motient Corporation (Nasdaq:   MTNT), the
 company's largest shareholder.  XM has a long-term distribution agreement with
 General Motors to integrate XM-ready radios into its vehicles commencing in
 2001.  XM-ready radios will be manufactured by such household names as Sony,
 Alpine, Pioneer, Clarion, Blaupunkt, Delphi-Delco, Visteon, Panasonic, and
 Sanyo.  For more information, please visit our web site: www.xmradio.com.
 
     Factors that could cause actual results to differ materially from those in
 the forward-looking statements in this press release include uncertainties
 associated with the launch of the company's satellites, the company's
 dependence on third party vendors, its continuing need for additional
 financing, as well as other risks described in XM Satellite Radio Holdings
 Inc.'s Form 8-K filed with the Securities and Exchange Commission on Feb. 22,
 2001.  Copies of the filing are available upon request from XM Radio's
 Investor Relations Department.
 
                     MAKE YOUR OPINION COUNT -  Click Here
                http://tbutton.prnewswire.com/prn/11690X42552104
 
 

SOURCE XM Satellite Radio
    WASHINGTON, April 25 /PRNewswire/ -- XM Satellite Radio's (Nasdaq:   XMSR)
 "XM Roll" satellite is aboard the Sea Launch platform on its way from
 California to the equatorial Pacific Ocean, where it is scheduled to launch
 into orbit May 7.
     (Photo:  http://www.newscom.com/cgi-bin/prnh/20000724/XMSATLOGO )
     The Odyssey Launch Platform, carrying XM Roll, to be joined by the
 Assembly and Command Ship, Sea Launch Commander, are sailing approximately
 3,000 miles from Long Beach, Calif., to the launch site on the Equator at 154
 degrees West Longitude, in open waters of the Pacific Ocean. A 200-foot Zenit-
 3SL rocket will lift the 10,289 lb. (4,672 kg) digital audio radio satellite
 to geosynchronous transfer orbit. Its final position will be at 85 degrees
 West Longitude.
     XM's first satellite, "Rock," which launched from Sea Launch's platform in
 the Pacific on March 18, has performed flawlessly and is locking into its
 final geostationary orbit 22,300 miles above the Earth.
     XM's third satellite, a spare, is fully built and undergoing final
 testing.  All three satellites are Boeing 702 models, manufactured by industry
 leader Boeing Satellite Systems, a unit of The Boeing Company.  The satellites
 are the most powerful commercial satellites ever built and will be positioned
 above the United States, where they will transmit up to 100 channels of XM's
 revolutionary radio programming to XM radios across the continental United
 States.  By using two powerful satellites, each with the same nationwide
 coverage, XM will ensure maximum signal and system reliability.
     XM will transform radio, an industry that has seen little technological
 change since FM, almost 40 years ago.  XM will create and package up to 100
 channels of digital-quality sound and provide coast-to-coast coverage of
 music, news, sports, talk, comedy and children's programming.  XM won several
 awards at the International Consumer Electronics Show in January, including
 "Best of CES" in the automotive category.  Service is scheduled to begin this
 summer.
     The Sea Launch Company, an international partnership, is the world's only
 ocean-based commercial launch service company, offering the most direct and
 cost-effective route to transfer orbit.
     XM's strategic investors include America's leading car, radio and
 satellite TV companies -- General Motors, American Honda Motor Co. Inc., Clear
 Channel Communications, DIRECTV and Motient Corporation (Nasdaq:   MTNT), the
 company's largest shareholder.  XM has a long-term distribution agreement with
 General Motors to integrate XM-ready radios into its vehicles commencing in
 2001.  XM-ready radios will be manufactured by such household names as Sony,
 Alpine, Pioneer, Clarion, Blaupunkt, Delphi-Delco, Visteon, Panasonic, and
 Sanyo.  For more information, please visit our web site: www.xmradio.com.
 
     Factors that could cause actual results to differ materially from those in
 the forward-looking statements in this press release include uncertainties
 associated with the launch of the company's satellites, the company's
 dependence on third party vendors, its continuing need for additional
 financing, as well as other risks described in XM Satellite Radio Holdings
 Inc.'s Form 8-K filed with the Securities and Exchange Commission on Feb. 22,
 2001.  Copies of the filing are available upon request from XM Radio's
 Investor Relations Department.
 
                     MAKE YOUR OPINION COUNT -  Click Here
                http://tbutton.prnewswire.com/prn/11690X42552104
 
 SOURCE  XM Satellite Radio