XM Expands XM Public Radio Lineup With Award-Winning News Programs From PRI®

PRI’s “The World,” “To the Point,” “To the Best of Our Knowledge” and “The Changing World” To Be Added to XMPR Lineup Beginning November 6

Washington, D.C., October 23, 2006 – XM, the nation’s leading satellite radio service with more than seven million subscribers, announced today that it will expand the XM Public Radio (XMPR) schedule with several top shows from Public Radio International® (PRI) and its satellite radio subsidiary, American Public Radio™. Beginning Monday, November 6, the XMPR (XM 133) lineup will feature PRI’s award-winning programs “The World,” “To the Point” and “To the Best of Our Knowledge,” as well as the BBC’s acclaimed documentary series, “The Changing World.”

XMPR already features several PRI shows as part of its regular programming lineup, including “This American Life,” PRI’s “Studio 360 with Kurt Andersen,” “The Tavis Smiley Show,” and “Michael Feldman’s Whad’Ya Know?”

PRI’s “The World,” anchored by Lisa Mullins, is a 2005 Peabody Award-winning daily global news program co-produced by PRI, BBC World Service and WGBH Radio Boston. “To the Best of Our Knowledge,” produced by Wisconsin Public Radio and winner of a 2004 Peabody Award, is a two-hour weekly news and information program hosted by Jim Fleming. “To the Point” is a fast-paced, news-based daily discussion program produced by KCRW/Santa Monica and hosted by multiple-award-winning Warren Olney. Produced by BBC World Service, the world’s most respected news source, “The Changing World” is an acclaimed global documentary series.

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About Public Radio International®
PRI is public radio’s leading source for innovative programming, providing diverse voices and global perspectives for the public airwaves. Through partnerships with BBC World Service and station-based and independent producers, the Minneapolis-based network provides over 400 hours of programming each week, content that is broadcast and streamed online by almost 750 PRI affiliates nationwide, which reach 29 million listeners each week. PRI owns Public Interactive LLC, public broadcasting’s leading Web services company. PRI is also the managing partner of the satellite radio company American Public Radio LLC, established with Chicago Public Radio®, WGBH Radio Boston and WNYC, New York Public Radio®. For more information on PRI and its programs and services, visit www.pri.org.

About XM Satellite Radio
XM (NASDAQ: XMSR) is America’s number one satellite radio company with more than 7 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 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, Hyundai, Nissan, Porsche, Subaru, Suzuki and Toyota is available in more than 140 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.

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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 3-9-06. Copies of the filing are available upon request from XM Radio’s Investor Relations Department.

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