SiriusXM to Present "The COMEDY CENTRAL Radio Preview Weekend" Starting Thursday, April 4

   SiriusXM to Present "The COMEDY CENTRAL Radio Preview Weekend" Starting
                              Thursday, April 4

Previews new 24/7 COMEDY CENTRAL Radio channel scheduled to launch this spring

Preview weekend to feature "Town Hall" special with Gabriel Iglesias on
Friday, April 5

PR Newswire

NEW YORK, April 4, 2013

NEW YORK, April 4, 2013 /PRNewswire/ --Sirius XM Radio (NASDAQ: SIRI) and
COMEDY CENTRAL®, a wholly-owned unit of Viacom Inc. (NASDAQ: VIA and VIAB),
announced today that it will present "The COMEDY CENTRAL Radio Preview
Weekend" beginning Thursday, April 4.

(Logo: http://photos.prnewswire.com/prnh/20101014/NY82093LOGO )

The weekend-long preview of SiriusXM's COMEDY CENTRAL Radio will showcase
highlights of the programming lineup listeners can expect to hear when the
channel launches later this spring. The preview, which will air on SiriusXM's
Raw Dog Comedy, channel 99, will kick off on Thursday, April 4 at 6:00 pm ET
with a live call-in show with comedian Gabriel Iglesias and special guests.

SiriusXM's "The COMEDY CENTRAL Radio Preview Weekend" will also feature a wide
variety of COMEDY CENTRAL's stand-up featuring comedians Aziz Ansari, Bo
Burnham, Louis CK, Jim Gaffigan, Chris Hardwick, Mitch Hedberg, Pete Holmes,
Anthony Jeselnik, Marc Maron, John Mulaney, John Oliver, Amy Schumer, Nick
Swardson, Daniel Tosh and more.

Additionally, the preview weekend will feature an exclusive SiriusXM "Town
Hall" special with Gabriel Iglesias airing on Friday, April 5 at 5:30 pm ET
moderated by comedian Martin Moreno. "SiriusXM's Town Hall with Gabriel
Iglesias" will feature Iglesias, whose two-night world premiere of "Gabriel
Iglesias: Aloha Fluffy" airs on COMEDY CENTRAL on Sunday, April 7 at 9:00 p.m.
ET and Sunday, April 14 at 9:00 p.m. ET, answering questions from the studio
audience about his career. For rebroadcast times please visit
www.siriusxm.com/townhall.

SiriusXM's "Town Hall" series are intimate gatherings with iconic musicians,
entertainers and figures and a studio audience of SiriusXM listeners. Previous
"SiriusXM Town Hall" specials have featured Bruce Springsteen, Taylor
Swift,Willie Nelson, Billy Crystal, Tom Petty, Kevin Hart, Alicia Keys, Tony
Bennett, Aerosmith, Carol Burnett, Ringo Starr, Roger Waters, Crosby, Stills
and Nash and the surviving members of Nirvana.

For a schedule of "The COMEDY CENTRAL Radio Preview Weekend," please visit
www.siriusxm.com/comedycentral.

COMEDY CENTRAL Radio joinsSiriusXM's broad collection of comedy channels,
including Blue Collar Radio, George Carlin's Carlin's Corner, Jamie Foxx's The
Foxxhole, Laugh USA, Raw Dog Comedy, Upright Citizens Brigade's UCB Radio and
more.

For more information on SiriusXM, please visit www.siriusxm.com.

About Sirius XM Radio

Sirius XM Radio Inc. is the world's largest radio broadcaster measured by
revenue and has 24 million subscribers. SiriusXM creates and broadcasts
commercial-free music; premier sports talk and live events; comedy; news;
exclusive talk and entertainment; and the most comprehensive Latin music,
sports and talk programming in radio. SiriusXM is available in vehicles from
every major car company in the U.S., from retailers nationwide, and online at
siriusxm.com. SiriusXM programming is also available through the SiriusXM
Internet Radio App for Android, Apple, and BlackBerry smartphones and other
connected devices. SiriusXM also holds a minority interest in SiriusXM Canada
which has more than 2 million subscribers.

On social media, join the SiriusXM community on Facebook,
facebook.com/siriusxm, Twitter, twitter.com/siriusxm, Instagram,
instagram.com/siriusxm, and YouTube at youtube.com/siriusxm.

About COMEDY CENTRAL

Available on-air, online and on-the-go, COMEDY CENTRAL (www.cc.com) is the #1
brand in comedy and is owned by, and is a registered trademark of, Comedy
Partners, a wholly-owned unit of Viacom Inc. (NASDAQ: VIA and VIAB). For
up-to-the-minute and archival press information and photographs visit COMEDY
CENTRAL's press Web site at www.cc.com/press and follow us on Twitter
@ComedyCentralPR for the latest in breaking news updates, behind-the-scenes
information and photos.

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 future financial and
operating results, our plans, objectives, expectations and intentions with
respect to future operations, products and services; and other statements
identified by words such as "will likely result," "are expected to," "will
continue," "is anticipated," "estimated," "believe," "intend," "plan,"
"projection," "outlook" or words of similar meaning. Such forward-looking
statements are based upon the current beliefs and expectations of our
management and are inherently subject to significant business, economic and
competitive uncertainties and contingencies, many of which are difficult to
predict and generally beyond our control. 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 statements: our competitive position versus other forms of
radio and audio services; our dependence upon automakers; general economic
conditions; failure of our satellites, which, in most cases, are not insured;
our ability to attract and retain subscribers at a profitable level; royalties
we pay for music rights: our ability to attract and retain qualified executive
officers; the unfavorable outcome of pending or future litigation; rapid
technological and industry change; failure of third parties to perform;
changes in consumer protection laws and their enforcement; and our substantial
indebtedness. Additional factors that could cause our results to differ
materially from those described in the forward-looking statements can be found
in our Annual Report on Form 10-K for the year ended December 31, 2012, which
is 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 we 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 SiriusXM:
Samantha Bowman
SiriusXM
212.901.6644
samantha.bowman@siriusxm.com

Contact for COMEDY CENTRAL:
Renata Luczak
212.767.8661
renata.luczak@cc.com

SOURCE Sirius XM Radio

Website: http://www.siriusxm.com