2009 Infiniti FX to Offer Award-Winning XM NavTraffic

All Infiniti Models to offer Factory-Equipped XM Radio and XM NavTraffic

NEW YORK, March 20 /PRNewswire-FirstCall/ -- XM (NASDAQ: XMSR), the nation's leading provider of satellite radio, announced that its award-winning real-time XM NavTraffic service will be available on the all-new 2009 Infiniti FX. For the 2009 model year, the entire lineup of Infiniti vehicles will feature standard XM Radio and, when equipped with a navigation system, XM NavTraffic.

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XM NavTraffic, powered by NAVTEQ Traffic, is the nation's leading real- time traffic service that offers the most comprehensive information and coast- to-coast updates every minute, ensuring that the driver has the latest and most detailed information at his or her fingertips. XM NavTraffic is now available in 80 major North American markets.

In addition to the 2009 Infiniti FX, XM NavTraffic is also offered as a standard feature on the Infiniti M, EX, G, G Coupe, M and QX models when equipped with a Navigation System.

Infiniti has selected XM as its exclusive factory-installed satellite radio provider, and every Infiniti model now makes XM Radio available as a standard, factory-equipped feature.

"Beginning with the 2009 model year, Infiniti is delivering on its commitment to offering the best in entertainment and technology in every vehicle," said Joe Verbrugge, senior vice president, automotive partnerships and international operations, XM Satellite Radio. "Infiniti buyers can now immediately begin to experience the variety of XM's more than 170 channels of music, sports, news, talk and entertainment, along with the power of live, real time traffic data."

XM NavTraffic feeds data on incidents, such as accidents and road construction, directly to a vehicle's GPS navigation system via XM's satellite and ground network. The driver is alerted to these incidents through the navigation screen, allowing him or her to route around a jam before getting caught in traffic. Where available, XM NavTraffic provides real-time traffic information by using red, yellow and green color codes to indicate high, medium and low congestion levels.

All XM-equipped models come with a three-month complimentary subscription

For more information on XM NavTraffic, visit: http://www.xmradio.com/navtraffic/

About XM

XM is America's number one satellite radio company with more than 9 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. Programming is subject to change.

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CONTACT: Marie Farrar of XM, +1-202-380-4151, marie.farrar@xmradio.com

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