CHICAGO (Standard&Poor's) May 21, 2009--Standard&Poor's Ratings Services has corrected and lowered its rating on Illinois Finance Authority's (OSF Healthcare System) hospital revenue bonds, series 2001 to 'AA-/A-1+' from 'AA/A-1+'. On April 3, 2008, Standard&Poor's assigned its 'AA/A-1+' to the bonds, based on a letter of credit provided by JPMorgan Chase. The rating on the bonds is now being revised to reflect the rating of the correct letter of credit provider, JPMorgan Chase Bank N.A. (AA-/A-1+).