U.S. satellite radio company Sirius XM Radio Inc.'s credit profile has improved, largely as a result of the resumption of subscriber growth and a rising EBITDA margin. We are affirming our 'BB-' corporate credit rating on the company and its XM Satellite Radio Inc. subsidiary. We are revising our outlook on the company to positive from stable. This reflects our view that a continued recovery in auto sales will enable Sirius XM to maintain subscriber growth and strengthen credit measures over the intermediate term. NEW YORK (Standard&Poor's) June 28, 2011--Standard&Poor's Ratings Services revised its rating outlook on Sirius XM Radio Inc. to positive from stable, reflecting the company's improving operating performance, declining debt leverage, and prospects
