(Editor's note: The following release was published Sept. 11, 2002, and is being republished, unchanged, to RatingsDirect for technical reasons.) NEW YORK (Standard&Poor's) Sept. 11, 2002--Standard&Poor's Ratings Services today assigned its 'A-2' rating to Pennsylvania-based, electricity provider Exelon Generation Co. LLC's (EGC) $600 million commercial paper program. EGC is the wholly owned, unregulated generation subsidiary of Exelon Corp., which also owns two very large, regulated utilities, Commonwealth Edison Co. (ComEd) and PECO Energy Co., as well as other unregulated units. "Standard&Poor's considers EGC integral to Exelon's business strategy," noted Standard&Poor's credit analyst William Ferara. "Because there are no regulatory or other structural barriers in Illinois or Pennsylvania that sufficiently restrict access by