XM Satellite Radio and PlayNetwork Announce Strategic Relationship

New “XM for Business" brings America's most popular satellite radio service to businesses everywhere

Seattle, WA and Washington, DC (December 12, 2007) — XM Satellite Radio, the nation’s leading satellite radio company, and PlayNetwork, a leading provider of integrated media experiences for business, announced today a strategic relationship under which PlayNetwork will manage all commercial business sales and service on behalf of XM. The new “XM for Business" service, available to business customers across the country, will enable business customers to experience XM and benefit from PlayNetwork’s industry expertise and specialized direct-sales workforce.

The partnership with PlayNetwork includes access to PlayNetwork’s nationwide network of dealers, equipment distributors and customer service representatives. Over 170 digital channels of XM Satellite Radio programming will be available including commercial-free music and premier sports, news, talk and other audio entertainment. In addition, PlayNetwork will report and pay all commercial licensing and royalty obligations to the artists, songwriters, publishers and recording labels through their established relationships with licensing agencies.

“PlayNetwork’s expertise in managing commercial services will be integral in growing XM business sales," said Dan Murphy, EVP, Retail Aftermarket Distribution, XM Satellite Radio. “This agreement gives us access to PlayNetwork’s seasoned direct-sales team that specializes in providing music and entertainment services to businesses all over the country."

“Business owners want a low-cost, no hassle solution to providing a music experience to their customers; ‘XM for Business’ is that solution," said Dave Purdy, Senior Vice President, XM for Business, PlayNetwork. “Our first-class relationships with the music industry and our new relationship with XM Satellite Radio, allow us to provide businesses of all sizes the largest selection of music and audio entertainment programming available, at a low-cost, while simultaneously ensuring all royalties and services will be taken care of. The XM for Business service is a perfect complement to the customized music, video, promotional and audio/video design and integration services we have provided to commercial clients in more than 50 countries, over the past 10 years."

Details on the service are available by calling 1-888-XM4-BUSI or visiting www.xm4biz.com.

About XM

XM is America's number one satellite radio company with more than 8.5 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 General Motors, Honda, Hyundai, Nissan, Porsche, Subaru, Suzuki, Toyota, and Ferrari, 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 3-1-07. Copies of the filing are available upon request from XM Radio's Investor Relations Department. Programming is subject to change.

About PlayNetwork

PlayNetwork Inc. is an integrated media services leader for worldwide business. PlayNetwork provides branded video (digital signage), audio (music and messaging), promotional media, quality audio/video systems, and professional services that deliver compelling experiences for retail, hospitality, health and fitness, retail banking and other businesses. Established in 1996, Redmond, Washington, based PlayNetwork services leading national brands such as: Abercrombie & Fitch, Brinker International, Chico's, Diesel, Hot Topic, Houlihan’s, Petco Animal Supplies, Starbucks Coffee Company, TGI Friday's and The Finish Line. The XM for Business service is now managed by PlayNetwork through a new strategic relationship with XM Satellite Radio. More information is available at www.playnetwork.com or www.xm4biz.com.

Editorial Contacts:
Christina Morris or Stacy Pelletier
PAN Communications
978.474.1900
playnetwork@pancomm.com

Dave Purdy
PlayNetwork
425.629.2712