The 'A-1+' rating on Maryland Health and Higher Educational Facilities Authority's CP notes, issued for Johns Hopkins Hospital ('AA-'; an affiliate of Johns Hopkins Health System Corp.), is based on the borrower's ability to pay the interest that is due on the maturity date, and the line of credit provider's (SunTrust Bank; 'A-1+'), ability to pay the principal that is due on the maturity date. The expiration date of the line of credit will be March 1, 2009, and at such time, the rating shall be withdrawn unless the expiration dates are extended pursuant to their terms. The line of credit has automatic and suspension events that enable the lines to terminate their commitment to provide principal coverage without prior