We believe that Philadelphia-based FMC Corp.'s 2016 and 2017 EBITDA and credit measures will be moderately weaker than we had previously projected. We are revising the outlook to negative from stable and affirming our 'BBB' long-term corporate credit and senior unsecured debt ratings on the company. We are also affirming our 'A-2' short-term corporate credit rating and 'A-2' commercial paper ratings on FMC. The negative outlook reflects the potential for a lower rating within the next 12 to 24 months if FMC is unable to improve and sustain credit measures at levels we consider appropriate for the current rating. On March 28, 2016, Standard&Poor's Ratings Services revised its outlook on Philadelphia-based chemical company FMC Corp. to negative from