Standard&Poor's Ratings Services affirmed its 'A-' long-term rating and underlying rating (SPUR) on the Illinois Finance Authority's series 2008A, B, C, and D bonds, issued for Children's Memorial Hospital (CMH). Assured Guaranty Ltd. insures the series 2008A bonds. The outlook is stable. Standard&Poor's also affirmed its 'AAA/A-1+' rating on the series 2008C and D bonds. The 'AAA' rating is based on the application of our joint criteria assuming low correlation. The long-term component of the rating is jointly based on CMH (A-/Stable) and a letter of credit (LOC) provided by JPMorgan Chase Bank N.A. (AA-/A-1+). The short-term component of the rating is based on the LOC provided by JPMorgan Chase Bank N.A. (A-1+). The LOC is