SIRIUS and XM Satellite Radio Help People Across the Country Prepare for Hurricane Gustav

24/7 emergency channels on both SIRIUS and XM chart course and effects of storm, provide comprehensive evacuation, safety, weather and life-saving tips

Additional coverage on news, talk and Spanish-language channels

Political talk channels report on impact Gustav will have on Republican National Convention

NEW YORK, Aug. 30 /PRNewswire-FirstCall/ -- SIRIUS XM Radio (Nasdaq: SIRI) announced today that both SIRIUS and XM Satellite Radio are broadcasting 24/7 comprehensive emergency news, weather, safety, evacuation, disaster recovery and traffic reports across multiple channels to help people across the country prepare for Hurricane Gustav, including channels dedicated to providing emergency evacuation information.

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

SIRIUS' and XM's emergency channels offer news, weather updates and safety tips for residents in affected areas and their loved ones, including updates from government officials and first responders such as the Red Cross, FEMA and other local officials and agencies; evacuation routes and plans including special instructions and information for senior citizens; local emergency aid phone numbers; in-depth analysis and details on the location and strength of the storm, with an explanation of the winds and pressure of the storm and its projected path and landfall expectations; comprehensive shelter information and location; safety tips on how to prepare for the storm; what to do if ordered to evacuate; what items to bring when evacuated and what items are needed to ride out the storm at home; and what to do with pets, boats and homes.

Listeners will also hear the difference between storm watches and warnings; safety tips on how to deal with severe storms and flooding; post-storm strategies including when it is safe to go home; locations of power outages and how local gas stations are affected by them; and where to find vital supplies such as water, ice, food and batteries.

    -- SIRIUS Weather and Emergency channel 184
    -- XM Emergency Alert channel 247

SIRIUS' and XM's news and weather channels deliver the latest breaking national news on the storm, its path and how it affects the county.

    -- CNN, SIRIUS channel 132 and XM channel 122
    -- CNN Headline News, SIRIUS channel 133 and XM channel 123
    -- CNN en Espanol, SIRIUS channel 92 and XM channel 126
    -- Fox News, SIRIUS channel 131 and XM channel 121
    -- The Weather Channel XM channel 125

Political talk channels on SIRIUS and XM provide details on impact Gustav may have on the Republican National Convention.

POTUS '08 anchors and SIRIUS Patriot's Andrew Wilkow will report on the storm and its potential impact on the GOP convention as part of their wall-to-wall coverage live from St. Paul, MN.

    -- POTUS '08, XM channel 130
    -- SIRIUS Patriot channel 144

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 and their respective Quarterly Reports on Form 10-Q for the Quarter ended June 30, 2008, all of 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:

    Hillary Schupf
    SIRIUS
    212-901-6739
    hschupf@siriusradio.com

    David Butler
    XM
    202-380-4317
    david.butler@xmradio.com

SOURCE SIRIUS XM Radio

Released August 30, 2008