National, July 14, 2000 -- "1500 Eckington Place" is now home to XM Satellite Radio Inc. (Nasdaq: XMSR). The 150,000-sq. ft. state-of-the-art facility houses the nation's largest end-to-end digital radio complex and corporate office.

XM is building a satellite-direct radio service with as many as 100 channels of music, news, sports, talk, comedy and children's programming, all available coast-to-coast. XM's new Programming Center will contain a network of 82 inter-connected, all digital audio studios. Many will be equipped to broadcast live music performances, including a two-story 2,300-sq. ft. performance studio large enough to accommodate a full orchestra.

First there was AM, then FM and soon. . . XM Satellite Radio. For more information, please visit XM Radio's website: 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 our 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. Copies of the filing are available upon request from XM Radio's Investor Relations Department.

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