NEW YORK (Standard&Poor's CreditWire) May 12, 1999--Standard&Poor's today placed its single-'A'-minus long-term corporate credit and senior unsecured debt ratings for Cox Enterprises Inc. and Cox Communications Inc. on CreditWatch with negative implications. The single-'A'-minus senior unsecured debt rating for Cox Radio, Inc. and the preliminary single-'A'-minus shelf registration rating for Cox Communications also are placed on CreditWatch with negative implications. The CreditWatch listings follow Cox Communications' announcement of its plan to acquire TCA Cable TV, Inc. in a cash and stock transaction valued at nearly $4 billion, including pre-existing TCA debt and other obligations of about $730 million. The 'A-2' short-term corporate credit and commercial paper ratings for Cox Enterprises and Cox Communications were affirmed. These