On Dec. 4, 2008, Standard&Poor's Ratings Services assigned its 'BBB-' unsecured debt rating to Enterprise Products Operating LLC's issuance of $500 million of senior notes due in 2014. At the same time, Standard&Poor's affirmed its 'BBB-' rating on Enterprise Products Partners L.P. (Enterprise Products) and its operating subsidiary Enterprise Products Operating LLC. The debt issuance is expected to be used to repay short-term borrowings. The ratings on Enterprise Products are based on the consolidated credit quality of its operating companies and reflect its satisfactory business profile and aggressive financial profile. Key credit factors include the master limited partnership's (MLP) improved credit-protection measures, sizable proportion of fee-based revenues, and its greater business mix diversity developed over the