NEW YORK (Standard&Poor's) Nov. 10, 2005--Standard&Poor's Ratings Services said today that it placed its ratings on Liberty Media Corp., including the 'BB+' corporate credit rating, on CreditWatch with negative implications. The CreditWatch placement follows the company's announcement that it will issue a tracking stock that will track the performance of QVC Inc. together with Liberty's minority stakes in IAC/InterActiveCorp and Expedia Inc. A tracking company will be established to mirror the performance of these assets. "The CreditWatch listing reflects uncertainty surrounding the resulting capital structure at the tracking company and at Liberty, and the process through which the transaction is completed," said Standard&Poor's credit analyst Andy Liu. In resolving the CreditWatch listing, Standard&