Standard&Poor's Ratings Services confirmed its 'AAA/A-1+' rating on District of Columbia's (MedStar Health Inc.) series 1998A tranche 1 hospital variable-rate demand obligation bonds, due to the bank facility being extended to March 6, 2017. The long-term component of the rating is based jointly (assuming low correlation) on the ratings on the obligor, MedStar Health Inc., and the letter of credit provider, Wells Fargo Bank N.A. The short-term component of the rating is based solely on the rating on Wells Fargo Bank N.A. USPF Criteria: Municipal Applications For Joint Support Criteria, June 25, 2007 Criteria: Joint Support Criteria Update, April 22, 2009 Criteria: Methodology And Assumptions: Approach To Evaluating Letter Of Credit-Supported Debt, July 6, 2009
