U.S.-based diversified chemicals company DuPont plans to issue a total of $2 billion of senior unsecured notes with five, 10, and 30-year maturities. We are assigning an 'A' senior unsecured debt rating to these notes. All other ratings on DuPont, including the 'A' corporate credit rating and 'A-1' commercial paper rating, remain unchanged. The outlook is stable, reflecting our expectation that operating results and financial policies will continue to support the ratings. NEW YORK (Standard&Poor's) Sept. 20, 2010--Standard&Poor's Ratings Services said today that it assigned its 'A' senior unsecured debt rating to E. I. DuPont de Nemours&Co.'s proposed offering of $2 billion of senior unsecured notes with various maturities. All other ratings on DuPont,
