Standard&Poor's Ratings Services believes a step-up in efforts by an activist investor to split businesses at DuPont (E.I.) De Nemours&Co. increases the risk of a potential deterioration in credit quality. We are affirming our ratings on DuPont, including the 'A' long-term corporate credit rating. We are revising the outlook on the corporate credit rating to negative from stable. On Jan. 12, 2015, Standard&Poor's Ratings Services revised its outlook on DuPont (E.I.) De Nemours&Co. to negative from stable. At the same time, we affirmed our 'A' long-term corporate credit rating and other ratings on the company. The outlook revision reflects our view that credit risk at our 'A' corporate credit rating on DuPont