SIRIUS XM Radio (NASDAQ: SIRI) has announced that the XM SkyDock™, the first satellite radio controlled by an iPod touch or iPhone, is available for purchase in stores across the country including the Apple Store, Best Buy, Radio Shack, independent retailers and online retailers, including www.xmradio.com/skydock.

Subscribers can enjoy all of XM and the complete "Best of SIRIUS" programming package controlled by their iPod touch or iPhone anywhere they drive. XM SkyDock will also charge iPod touch and iPhone devices while listening to satellite radio. The required XM SkyDock App uses the innovative Multi-Touch user interface of iPhone and iPod touch to let customers experience the breadth of content SIRIUS XM subscribers have come to enjoy. The XM SkyDock App is available for free from the App Store on iPhone and iPod touch or at www.itunes.com/appstore.

Subscribers can easily tag songs and purchase them from the iTunes Store (www.iTunes.com). XM SkyDock comes with SIRIUS XM's PowerConnect™ technology, which simplifies vehicle installation, working through the existing vehicle radio and making it easy to move from vehicle to vehicle. An Aux In Cable is a standard in-box accessory to facilitate Aux In connections in vehicles with Aux In capability. XM SkyDock is compatible with iPod touch (1st and 2nd generation), iPhone, iPhone 3G and iPhone 3GS. All models require iPhone OS 3.0 or later.