The Open Championship Airs Nationwide on XM Satellite Radio

WASHINGTON, D.C. -- XM Satellite Radio will air The Open Championship for golf fans across the U.S. July 17-20 on channel 146.

The Open Championship, also known as the British Open, will air live from the Royal Birkdale Golf Club in Southport, England.

Each day, the early-morning broadcast on XM will be followed by a replay of the day’s highlights during the afternoon and evening.

XM’s live broadcast will begin at 3 am ET, followed by highlights from 3 pm to 9 pm ET, on July 17 and 18. The live broadcast will begin at 4 am ET, with highlights from 2 pm to 8 pm ET, on July 19 and 20.

XM on-air hosts John Tautges, Matt Adams, Bob Stevens, and Brian Katrek will have an in-depth preview of The Open from Birkdale on July 16 starting at noon ET. XM will also have special editions of its golf programs “Making the Turn with Peter Kessler,” “oPINionated with Chris DiMarco,” and “Fairways of Life” during the week of the tournament.

The Open is the oldest of the four major championships in men’s golf, dating back to 1860. The event takes place annually on one of nine historic courses in the United Kingdom.

“You can listen to The Open live on XM during the first hours of the morning, or you can hear a full recap of the action that lasts though the evening,” said Kevin Straley, XM senior vice president of news, sports, and talk programming. “From the opening tee shot to the awarding of the Claret Jug, XM has complete coverage of the British Open for millions of listeners across the country.”

A full on-air schedule for The Open Championship on XM Radio is online at: http://www.xmradio.com/onxm/features/open_championship.xmc

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, 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. Programming is subject to change.

Contact: David Butler, XM Satellite Radio, 202-380-4317, david.butler@xmradio.com