SIRIUS Satellite Radio Kicks Off Its Convention Coverage

'SIRIUS Convention Radio' and 'SIRIUS Convention Radio En Espanol' will debut at Democratic National Convention

In addition live broadcasts from the Democratic and Republican National Conventions hosted by SIRIUS personalities

NEW YORK, Aug. 22 /PRNewswire-FirstCall/ -- SIRIUS XM Radio (Nasdaq: SIRI) announced today that its convention coverage on SIRIUS will kick off on Monday, August 25 from the Democratic National Convention in Denver, CO. The coverage will include two dedicated channels with live gavel-to-gavel coverage of all the days' speeches in English and Spanish translation. In addition, SIRIUS hosts Mark Thompson and Michelangelo Signorile will broadcast their daily shows live from inside the convention.

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On Monday, September 1, SIRIUS will continue its extensive convention coverage from the Republican National Convention in Minneapolis-St. Paul. In addition to the convention radio channels, SIRIUS hosts Andrew Wilkow, Michelangelo Signorile and Cam & Company will broadcast their radio shows live from the convention.

Programming details for both the Democratic National Convention and Republican National Convention are as follows:

    Democratic National Convention -- August 25 through August 28

    SIRIUS Convention Radio -- channel 113
    August 25 beginning at 12 am ET through August 28

The channel will carry live uninterrupted gavel-to-gavel coverage of convention speeches. In addition the channel will broadcast great moments in convention history as well as convention news and schedules.

SIRIUS Convention Radio En Espanol -- channel 119

August 25 beginning at 12 am ET through August 28

The channel will carry live real-time Spanish-language translation of all convention speeches.

Make it Plain with Mark Thompson on SIRIUS Left -- channel 146

August 25 through 28, 5 pm - 11 pm ET

SIRIUS host and Civil rights activist Mark Thompson will broadcast live daily from inside the convention with special guests and discussions about each day's news and convention speeches. The primetime broadcast will also feature major speeches live as they happen.

Michelangelo Signorile show on SIRIUS OutQ -- channel 109

August 25 through 28, 2 pm - 6 pm ET

Activist, author and SIRIUS host Michelangelo Signorile will broadcast live daily from the convention with special guest interviews and discussions about each day's news and convention speeches. SIRIUS OutQ is the nations only 24/7 channel dedicated to the gay, lesbian, bisexual and transgender communities.

    Republican National Convention -- September 1 through September 4

    SIRIUS Convention Radio -- channel 113
    September 1 beginning at 12 am ET through September 4

SIRIUS Convention Radio En Espanol -- channel 119

September 1 beginning at 12 am ET through September 4

The channel will carry live real-time Spanish-language translation of all convention speeches.

The Wilkow Majority with Andrew Wilkow on SIRIUS Patriot -- channel 144

September 1 through 4, 12 pm - 3 pm ET

SIRIUS host Andrew Wilkow will broadcast daily live from the convention with special guests and breaking news from the convention floor as well as discussions about the previous night's speeches.

Michelangelo Signorile show on SIRIUS OutQ -- channel 109

September 1 through 4, 2 pm - 6 pm ET

Activist, author and SIRIUS host Michelangelo Signorile will broadcast live daily from the convention with special guest interviews and discussions about each day's news and convention speeches.

Cam & Company on SIRIUS Patriot -- channel 144

September 1 through 4, 9 pm - 12 am ET

Join Cam & Company from NRAnews.com as they bring you the latest news and speeches live from the convention floor.

For more information on SIRIUS' convention coverage, please visit www.sirius.com/politicaltalk.

About SIRIUS XM Radio

SIRIUS XM Radio is America's satellite radio company delivering the "The Best Radio on Radio" to more than 18 million subscribers, including 100% commercial free music, and premier sports, news, talk, entertainment, traffic and weather.

SIRIUS XM Radio has exclusive content relationships with an array of personalities and artists, including Howard Stern, Oprah, Martha Stewart, Jimmy Buffett, Elvis, Jamie Foxx, Barbara Walters, Frank Sinatra, 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, NHL, and PGA Tour, and broadcasts major college sports.

SIRIUS XM Radio has exclusive 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, Circuit City, 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 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 Satellite Radio Inc. and XM Satellite Radio Holdings Inc., 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 ability to obtain governmental approvals of the transaction on a timely basis; the failure to realize synergies and cost-savings from the transaction 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; and operating costs and business disruption following the merger, including adverse effects on employee retention and on our business relationships with third parties, including manufacturers of radios, retailers, automakers and programming providers. 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, 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

     Contacts for SIRIUS XM Radio:

     Neel Khairzada
     SIRIUS
     212-584-5243
     nkhairzada@siriusradio.com

SOURCE SIRIUS XM Radio

Released August 22, 2008