Standard&Poor's Ratings Services confirmed its 'A/A-1' rating on Montgomery County Higher Education&Health Authority, Pa.'s variable-rate demand bonds series 1997A, due to the bank facility being extended to Oct. 1, 2015. The long-term and short-term components of the rating are based on the rating on the letter of credit provider, Manufacturers&Traders Trust Co. Criteria: Methodology And Assumptions: Approach To Evaluating Letter Of Credit-Supported Debt, July 6, 2009