(Editor's note: In the press release issued Jan. 28, 2002, the discussion in the fourth paragraph about volatility in DPL's investment portfolio was unclear. A corrected version follows.) NEW YORK (Standard&Poor's) Jan. 28, 2002--Standard and Poor's today affirmed its ratings on DPL Inc. (triple-'B'-plus/'A-2') and its affiliate Dayton Power&Light Co. and revised the outlook to negative from stable. (A complete list of ratings is available on RatingsDirect, Standard&Poor's on-line credit research service, or by calling the Standard&Poor's Ratings Desk at (1) 212-438-2400.) The outlook revision reflects increasing business and financial risks, which are pressuring ratings at the current rating level. Specifically, the likelihood of decreased cash flows from DPL's peaking plant facilities