NEW YORK (Standard&Poor's) May 17, 2004--Standard&Poor's Ratings Services said today that its 'BB-' corporate credit ratings on DPL Inc. and its subsidiary, Dayton Power&Light Co. (DP&L), remain on CreditWatch with negative implications following the company's announcement of the resignation of its top three executives amid results of the company's internal probe of improper conduct that was alleged against them in March by the firm's controller. Utility holding company DPL and its utility affiliate, DP&L, are based in Dayton, Ohio. The company has about $2.6 billion of total debt outstanding. DPL's top three executives resigned effective immediately, and DPL's board of directors unanimously elected two current directors as nonexecutive chairman and nonexecutive vice chairman, as