SIRIUS XM's Martha Stewart Living Radio to Auction Celebrity Signed Christmas Ornaments for Charity on eBay

Howard Stern, Martha Stewart, Gayle King, Dr. Maya Angelou, Patti LaBelle, Emeril Lagasse, Pink, Joss Stone, James Taylor, The Wiggles and many others lend their support

Proceeds from charity auction to benefit Taste of the NFL, an organization that raises money to fight hunger

NEW YORK, Dec. 3 /PRNewswire-FirstCall/ -- SIRIUS XM Radio's (Nasdaq: SIRI) Martha Stewart Living Radio is kicking off a holiday-themed charity auction this week benefiting Taste of the NFL, an organization that raises money and awareness for hunger organizations. Participants can bid on ornaments from the Martha Stewart Collection exclusively at Macy's signed by a wide array of celebrities. New autographed ornaments are expected to be available daily through December 12, 2008.

(Logo: http://www.newscom.com/cgi-bin/prnh/20080819/NYTU044LOGO )

SIRIUS XM Radio personalities, celebrities, musicians and chefs have supported the cause by signing the ornaments, which were donated by Macy's, for Taste of the NFL. Participants include: Howard Stern; Martha Stewart; Gayle King; Dr. Maya Angelou; David Archuleta; Tom Arnold; Jacqueline Bisset; David Cook; Gary Dell'Abate; Derek & Romaine; Dido; Mitzi Gaynor; Bob Greene; Patti, Nona and Sarah LaBelle; Emeril Lagasse; Artie Lange; Isaac Mizrahi; Naughty by Nature; Nickelback; Fred Norris; Jamie Oliver; Dr. Oz; Chef Charlie Palmer; Pink; Robin Quivers; Carolyne Roehm; Rabbi Shmuley; Michelangelo Signorile; Joss Stone; James Taylor; Peter Walsh; The Wiggles; Marianne Williamson and Lee Ann Womack.

Taste of the NFL has raised more than $6.8 million for hunger-related charities since its start in 1992. Taste of the NFL addresses the needs of the hungry and homeless by raising awareness and money through special events and programs. Every year, Taste of the NFL hosts a one-of-a-kind food-and-wine event the night before the Super Bowl that benefits local and national hunger organizations. A top chef from each NFL team city is paired with current and former NFL players to prepare and serve a special dish.

On Martha Stewart Living Radio, SIRIUS channel 112 and XM channel 157, Martha Stewart and her team of lifestyle experts teach, advise, and inspire around-the-clock with shows about entertaining, cooking, pet care, gardening, weddings and much more.

For more information and for bidding details please visit www.ebay.com/marthastewartlivingradio.

About SIRIUS XM Radio

SIRIUS XM Radio is America's satellite radio company delivering everything worth listening to, including 69 commercial-free music channels, premier sports, news, talk, entertainment, traffic and weather, to more than 18.9 million subscribers.

SIRIUS XM Radio has content relationships with an array of personalities and artists, including Howard Stern, Martha Stewart, Oprah Winfrey, Jimmy Buffett, Jamie Foxx, Barbara Walters, Opie & Anthony, The Grateful Dead, Willie Nelson, Bob Dylan, Dale Earnhardt Jr., Tom Petty, and Bob Edwards. SIRIUS XM Radio is the leader in sports programming as the Official Satellite Radio Partner of the NFL, Major League Baseball, NASCAR, NBA, NHL, and PGA TOUR, and broadcasts major college sports.

SIRIUS XM Radio has arrangements with every major automaker. SIRIUS XM Radio products are available at shop.sirius.com and shop.xmradio.com, and at retail locations nationwide, including Best Buy, RadioShack, Target, Sam's Club, and Wal-Mart.

SIRIUS XM Radio also offers SIRIUS Backseat TV, the first ever live in-vehicle rear seat entertainment featuring Nickelodeon, Disney Channel and Cartoon Network; XM NavTraffic(R) service for GPS navigation systems delivers real-time traffic information, including accidents and road construction, for more than 80 North American markets.

This communication contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements include, but are not limited to, statements about the benefits of the business combination transaction involving SIRIUS and XM, including potential synergies and cost savings and the timing thereof, future financial and operating results, the combined company's plans, objectives, expectations and intentions with respect to future operations, products and services; and other statements identified by words such as "anticipate," "believe," "plan," "estimate," "expect," "intend," "will," "should," "may," or words of similar meaning. Such forward-looking statements are based upon the current beliefs and expectations of SIRIUS' and XM's management and are inherently subject to significant business, economic and competitive uncertainties and contingencies, many of which are difficult to predict and generally beyond the control of SIRIUS and XM. Actual results may differ materially from the results anticipated in these forward-looking statements.

The following factors, among others, could cause actual results to differ materially from the anticipated results or other expectations expressed in the forward-looking statement: general business and economic conditions; the performance of financial markets and interest rates; the failure to realize synergies and cost-savings from the merger or delay in realization thereof; the businesses of SIRIUS and XM may not be combined successfully, or such combination may take longer, be more difficult, time-consuming or costly to accomplish than expected. Additional factors that could cause SIRIUS' and XM's results to differ materially from those described in the forward-looking statements can be found in SIRIUS' and XM's Annual Reports on Form 10-K for the year ended December 31, 2007 and their respective Quarterly Reports on Form 10-Q for the quarter ended September 30, 2008, which are filed with the Securities and Exchange Commission (the "SEC") and available at the SEC's Internet site (http://www.sec.gov). The information set forth herein speaks only as of the date hereof, and SIRIUS and XM disclaim any intention or obligation to update any forward looking statements as a result of developments occurring after the date of this communication.

P-SIRI

    Contact for SIRIUS XM Radio:

    Hillary Schupf
    SIRIUS XM Radio
    212.901.6739
    hschupf@siriusradio.com

SOURCE SIRIUS XM Radio

Released December 3, 2008