The rating affirmation on Illinois Development Finance Authority's bonds is due to the extension of the LOC. The extended LOC is a several, not joint, obligation between Northern Trust (AA-/A-1+) and Bank One N.A. (A+/A-1) where the commitment amount is 25% and 75%, respectively. Based upon this extension, Harris Trust&Savings Bank (AA-/A-1+) and LaSalle Bank N.A. (AA-/A-1+) are no longer providing credit or liquidity support. The anticipated expiration date of the extended LOC is June 4, 2004.