CompUSA Awards XM Satellite Radio Digital Service Vendor Of The Year 2005

XM Also Receives Accolades from Circuit City for Consumer Product Excellence

Washington D.C., April 17, 2006 -- XM Satellite Radio (NASDAQ: XMSR), the nation’s leading satellite radio company with more than 6.5 million subscribers, announced that it received a Digital Service Vendor of The Year 2005 award from CompUSA, Inc., one of the nation’s leading retailers and resellers of technology products and services.

“The innovative design of the new XM2go with MP3 satellite radio will create another great year for CompUSA and XM Satellite Radio,” said Larry Mondry, president and CEO of CompUSA. “We’re proud to honor them as our vendor of the year.”

The award was presented at an April 10 awards ceremony in recognition of XM Satellite Radio’s commitment to CompUSA for merchandising, training and marketing of XM products.

“We’re honored that CompUSA has recognized XM as one of their top vendors, and look forward to introducing their customers to exciting new XM products in the near future,” said Dan Murphy, XM’s Senior Vice President of Retail Distribution and OEM. “Our partnerships will be a critical element to our goal to reach nine million subscribers by the end of this year, and 20 million by 2010,” said Murphy.

Also this spring, XM received the 2005 Merchandising Vendor Excellence Award from Circuit City Stores, Inc. in recognition of exceptional performance as one of the retail chain’s top vendors. In its announcement of the award, Circuit City stated that XM had demonstrated a “commitment to growing the business relationship” with Circuit City, “supply chain performance, product profitability, and year-over-year impact on Circuit City’s revenue growth.” The retail chain credited XM with delivering “products that today’s consumers want”.

Circuit City previously awarded XM Satellite Radio the award in May 2003.

About XM Satellite Radio
XM (Nasdaq: XMSR - News) is America’s number one satellite radio company with more than 6.5 million subscribers. Broadcasting live daily from studios in Washington, DC, New York City, the Country Music Hall of Fame in Nashville, Toronto and Montreal, XM’s 2006 lineup includes more than 170 digital channels of choice from coast to coast: the most commercial-free music, premier sports, news, talk radio, comedy, children’s and entertainment programming; and the most advanced traffic and weather information.

XM, the leader in satellite-delivered entertainment and data services for the automobile market through partnerships with General Motors, Honda, Toyota, Hyundai, Nissan, Porsche, Suzuki, Subaru, and Volkswagen/Audi, is available in more than 130 different vehicle models for 2006. XM’s industry-leading products are available at consumer electronics retailers nationwide. For more information about XM hardware, programming and partnerships, please visit http://www.xmradio.com.

Factors that could cause actual results to differ materially from those in the forward-looking statements in this press release include demand for XM Satellite Radio’s service, the Company’s dependence on technology and third party vendors, its potential need for additional financing, as well as other risks described in XM Satellite Radio Holdings Inc.’s Form 10-K filed with the Securities and Exchange Commission on 3-3-06. Copies of the filing are available upon request from XM Radio’s Investor Relations Department.

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Marie Farrar

XM Radio Contact

XM Satellite Radio

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