BOSTON (Standard&Poor's) Nov. 12, 2013--Standard&Poor's Ratings Services today assigned its 'A-' senior unsecured debt rating to Philadelphia-based FMC Corp.'s proposed $400 million senior unsecured notes due 2024. FMC will use proceeds of the note offering to repay commercial paper and for general corporate purposes. The existing ratings on FMC, including the 'A-' long-term corporate credit rating and 'A-2' short-term rating, are unchanged. The outlook is stable. The ratings on global chemical producer FMC reflect our expectations that the company's steadily improving operating performance and its prudent approach to growth spending and shareholder rewards will support a financial profile that is consistent with the ratings. The company's focus on its profitable and growing segments should support 10%