XM Radio Completes Southeastern Conference (SEC) Sports Line-Up with Alabama, Auburn, Florida, and Vanderbilt

XM's Expanded Coverage of SEC Football, Basketball and Baseball Begins This Fall

WASHINGTON, July 1 /PRNewswire-FirstCall/ -- XM Satellite Radio, the official satellite radio provider of the Southeastern Conference (SEC), today announced that the University of Alabama, Auburn University, University of Florida, and Vanderbilt University will join XM's blockbuster line-up of SEC sports starting fall 2008.

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With the addition of these four schools, XM is the exclusive satellite radio provider of all 12 SEC institutions.

Arkansas, Georgia, Kentucky, LSU, Mississippi State, Ole Miss, and Tennessee joined XM in 2007. At the time, XM announced that South Carolina would come aboard in fall 2008. Florida was originally scheduled to join XM in fall 2009, but the Gators will come to XM one year earlier than announced.

As the official satellite radio provider of the SEC, XM plans to carry every football game for all 12 SEC teams, as well as the majority of men's regular season basketball games. XM will also carry key women's basketball and baseball games during the regular season. XM is also the exclusive satellite radio home of SEC championship football, men's basketball, baseball and women's basketball games.

"We are so proud to welcome Alabama, Auburn, Florida, and Vanderbilt to our lineup, allowing our listeners to now hear every team in the SEC on XM," said Eric Logan, executive vice president, programming, XM Satellite Radio. "These are four great institutions with outstanding sports programs and passionate fans. The SEC is one of the most important and competitive conferences in the nation, and through our partnership with the SEC, XM Radio brings hundreds of SEC games to fans living all over the country."

"Our relationship with XM Satellite Radio provides the opportunity to extend the SEC brand to an expanding national audience," SEC Commissioner Mike Slive said. "We are particularly pleased that all 12 SEC member institutions will now be participating in the conference-wide agreement. The extensive SEC programming available on XM will enable people to more closely follow their favorite SEC athletic programs."

SEC fans can tune into their favorite teams on XM radios for the car, home, office, and portable use. XM is heard nationwide by more than 9.3 million subscribers.

XM is the official satellite radio provider of the six BCS conferences: SEC, ACC, Big East, Big Ten, Big 12, and Pac-10.

SEC games can be heard live and nationwide on XM Radio's SEC channels (XM channels 199 - 201). XM has a special offer on XM radios for SEC fans at http://www.xmradio.com/sec.

About XM

XM (NASDAQ: XMSR) is America's number one satellite radio company with more than 9.3 million subscribers. Broadcasting live daily from studios in Washington, DC, New York City, Chicago, Nashville, Toronto and Montreal, XM's 2008 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, Ferrari, Subaru, Suzuki and Toyota is available in 140 different vehicle models for 2008. XM's industry-leading products are available at consumer electronics retailers nationwide. XM programming is also available through XM Radio Online, the exclusive home on the Internet for XM's commercial-free music channels; as downloads of original XM shows via podcasts from XM's Web site or the Apple's iTunes Store; and as streams of commercial-free XM music channels to AT&T and Alltel wireless customers through XM Radio Mobile. 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 2-28-08. Copies of the filing are available upon request from XM Radio's Investor Relations Department. All programming is subject to change.

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CONTACT: David Butler of XM, +1-202-380-4317, david.butler@xmradio.com

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