NEWS RELEASE

XM Radio Debuts as a Standard Feature on LX 570

4/4/2007

LEXUS LX 570 CUSTOMERS TO RECEIVE 90-DAY XM TRIAL SUBSCRIPTION

WASHINGTON, April 4 /PRNewswire-FirstCall/ -- XM (NASDAQ: XMSR), the nation's leading provider of satellite radio, today announced that XM Radio and XM NavTraffic capability be standard factory-installed features on the all- new Lexus LX 570. The luxury utility vehicle featuring XM made its debut today at the 2007 New York International Auto Show.

(Logo: http://www.newscom.com/cgi-bin/prnh/20070313/XMLOGO )

"The nation's most extensive lineup of satellite radio programming and real-time traffic navigation are natural additions to a luxury vehicle that promises to reach new levels," said Steve Cook, executive vice president, Automotive, XM Satellite Radio. "LX 570 is the second Lexus vehicle rollout with XM NavTraffic capability as a standard feature, which demonstrates the increasing demand for our real-time data services."

XM Satellite Radio and XM NavTraffic capability are also factory- installed, standard features on the Lexus LS 460 L luxury . Factory- installed XM Radio and NavTraffic capability is also available in the 2007 LS 460 in its navigation packages. Later this year, Lexus will provide factory- installed XM as standard equipment on the upcoming LS 600h L luxury hybrid sedan.

XM's real-time information service XM NavTraffic, which delivers drivers alerts regarding accidents, road closings and traffic, is now available in 50 major U.S. markets.

1 LS and LX models equipped with factory-installed XM come standard with a 90-day trial subscription.

About XM

XM (NASDAQ: XMSR) is America's number one satellite radio company with more than 7.6 million subscribers. Broadcasting live daily from studios in Washington, DC, New York City, Chicago, the Country Music Hall of Fame in Nashville, Toronto and Montreal, XM's 2007 lineup includes more than 170 digital channels of choice from coast to coast: 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 , , Hyundai, , Porsche, Subaru, Suzuki and is available in 140 different vehicle models for 2007. 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 3-9-06. Copies of the filing are available upon request from XM Radio's Investor Relations Department.

Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20070313/XMLOGO AP Archive: http://photoarchive.ap.org/ PRN Photo Desk, [email protected] SOURCE: XM Satellite Radio, Inc.

CONTACT: Marie Farrar of XM Satellite Radio, Inc., +1-202-380-4151, [email protected]

Web site: http://www.xmradio.com/

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