<<

NEWS RELEASE

XM TO AIR “ SHOW" MARATHON MAY 12-14

4/23/2007

GEORGE CLOONEY, MAYA ANGELOU, AL GORE AND OTHERS INCLUDED AMONG MARATHON’S FEATURED INTERVIEWS

Washington, D.C., April 23, 2007 – XM, the nation’s leading satellite radio service with more than 7.6 million subscribers, will broadcast a 48-hour marathon of XM Public Radio’s (XMPR) flagship program, “," it was announced today. Premiering Saturday, May 12 at 8AM ET on XMPR (XM 133), “The Bob Edwards Show" Marathon will feature some of Edwards’ best moments from his nearly three year’s on XM, just a few days before the public radio icon’s 60th birthday.

“The Bob Edwards Show" Marathon will include nearly 50 interviews with some of the most notable personalities from the worlds of politics, entertainment, publishing and the arts, including among many others:

• Actors George Clooney, and Philip Seymour Hoffman; • Best-selling authors David McCullough and Maya Angelou; • Political figures Al Gore and Bob Dole; • Journalists and Bill Moyers; • Musicians David Crosby and Jeff Tweedy of the band Wilco; • Humorists Harry Shearer and Garrison Keillor; and • Edwards’ original reporting from the Appalachian region of Kentucky for his award-winning radio documentary, “Exploding Heritage."

The marathon will be available through XM Radio Online (http://xmro.xmradio.com), XM’s Internet streaming

1 service. Fans across the country will be able to hear the “Bob Edwards Show" Marathon and the entire XM Radio Online channel lineup at no cost by registering for a free three-day trial. Complete information about the free XM Radio Online trial and full marathon schedule is available at http://www.xmradio.com/bobedwards.

Prior to joining XM, Edwards hosted National Public Radio's (NPR) “" for nearly 25 years, attracting more than 13 million listeners weekly. He is among the most distinguished journalists in broadcasting and has won the duPont-Columbia Award for radio journalism, the George Foster Peabody Award for excellence in broadcasting, and the Edward R. Murrow Award for outstanding contributions to public radio. In November of 2004, he was inducted into The National .

“The Bob Edwards Show" airs weekdays from 8-9 AM ET, with encore broadcasts airing at 7 AM, 9 AM, 10 AM and 8 PM (all times Eastern). In 2006, XM debuted “Bob Edwards Weekend," a two-hour program featuring highlights from “The Bob Edwards Show." The first satellite radio-produced show to be available on terrestrial radio, “Bob Edwards Weekend" is syndicated nationally to public radio stations across the country through Public Radio International (PRI).

About XM XM 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 2006 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 General Motors, Honda, Hyundai, Nissan, Porsche, Subaru, Suzuki and Toyota 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.

2 Media Contacts: Anne-Taylor Adams, [email protected] XM 212-708-6171

Olivia Dupuis, [email protected] Bennett Kleinberg, [email protected] Goodman Media International 212-576-2700

3