Standard&Poor's Ratings Services confirmed its 'A+/A-1' rating on Philadelphia's fifth series A-2 gas works bonds, due to the bank facility being extended to Dec. 31, 2015. The long-term and short-term components of the rating are based on the rating on the letter of credit provider, JPMorgan Chase Bank N.A. Criteria: Methodology And Assumptions: Approach To Evaluating Letter Of Credit-Supported Debt, July 6, 2009