We are revising our outlook on Sirius XM Radio and its subsidiaries to positive from stable. We are also affirming our 'B-' corporate credit rating on the company. EBITDA generation and discretionary cash flow have improved, largely as a result of operating synergies and integration-related cost savings. The positive outlook reflects the company's prospects for continued improvement in operating performance and declining debt leverage. NEW YORK (Standard&Poor's) Nov. 11, 2009--Standard&Poor's Ratings Services said today it revised its rating outlooks on Sirius XM Radio Inc. and its subsidiaries to positive from stable. We also affirmed the ratings on the company and its subsidiaries XM Satellite Radio Holdings Inc. and XM Satellite Radio Inc. (which we analyze on