NEW YORK (Standard&Poor's) June 15, 2006--Standard&Poor's Ratings Services today affirmed the 'BB+' corporate credit rating on master limited partnership (MLP) Enterprise Products Partners L.P. (Enterprise) and subsidiary Enterprise Products Operating L.P., as well as the 'B+' corporate credit on EPCO Holdings Inc. (EPCO). In addition, the outlooks on the companies were revised to positive from stable. The positive outlook on the Enterprise entities acknowledges the improvement at the MLP in credit-protection measures and greater diversity in the business mix that has emerged in recent years. EPCO, as a substantial owner of Enterprise's general partner and limited partnership units, shares a positive outlook with the MLP, but the ratings relationship is not tied so closely that an