NEW YORK (Standard&Poor's) Nov. 10, 2014--Standard&Poor's Ratings Services today assigned its 'BBB' senior unsecured debt rating to Eastman Chemical Co.'s proposed offering of $2 billion of senior unsecured notes. This proposed offering will consist of $800 million of notes due 2019, $800 million of notes due 2024, and $400 million of notes due 2044. All our other ratings on Eastman, including the 'BBB' corporate credit and 'A-2' commercial paper ratings, remain unchanged. The outlook is negative. Eastman expects to use the proceeds to pay a portion of the cash consideration for the Taminco acquisition and repay certain related outstanding indebtedness and transaction fees. The ratings on Kingsport, Tenn.-based Eastman reflect its strong business risk profile as