XM Satellite Radio Added to NASDAQ-100 Index

WASHINGTON, Dec. 13/Satnews Daily/ ¾ XM Satellite Radio (NASDAQ:XMSR) , announced Friday that XM has been added to the NASDAQ-100 Index, effective at the beginning of trading on Monday, December 20, 2004.

The NASDAQ-100 Index is composed of the 100 largest non-financial stocks listed on the NASDAQ Stock Market based on market capitalization. Shares of XM also will be included in The NASDAQ-100 Index Tracking Stock (AMEX:QQQQ).

We are honored to be included in the NASDAQ-100 and listed among the leading technology companies in the world," said Hugh Panero, President and CEO of XM Satellite Radio. "This is a significant milestone for our company and a testament to the extraordinary work of our people who have made XM the market leader in satellite radio."

The NASDAQ-100 Index, launched in 1985, represents the largest non- financial companies listed on The NASDAQ Stock Market based on market capitalization. Index securities are ranked by market value and evaluated annually to determine which securities will be included. The NASDAQ-100 Index Tracking Stock represents ownership in the NASDAQ-100 Trust and is designed to provide investment results that generally correspond to the price and yield of the NASDAQ-100 Index.

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