XM Adds 442,000 Subsribers in 4thQ

XM today announced that they added more than 1,695,000 new subscribers in 2006, ending the year with more than 7,625,000n. Based on preliminary results, XM achieved positive cash flow during the
fourth quarter of. XM added more than 442,000 new net subscribers during the fourth quarter of 2006 alone. This compares with Sirius who ended 2006 with 6,024,000 subscribers, an 82% increase over 3,316,560 at the end of 2005.

"XM completed another year of significant subscriber growth, despite retail softness, and did so with continued cost controls, achieving positive cash flow from operations during the fourth quarter," said CEO Hugh Panero