Standard&Poor's Ratings Services affirmed its 'A-1+' rating on Philadelphia, Pa.'s Philadelphia Gas Works tax-exempt commercial paper series E due to the bank facility being extended to May 29, 2010. The rating is based on a LOC issued severally by The Bank of Nova Scotia (A-1+), Wachovia Bank N.A. (A-1+), and JPMorgan Chase Bank N.A. (A-1+) where they are each obligated to pay 33.5% of each drawing.