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( Mark One ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , DC 20549 FORM 10 - K EASTMAN ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 OR TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-12626 EASTMAN CHEMICAL COMPANY ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 200 South Wilcox Drive Kingsport Tennessee ( Address of principal executive offices ) Title of each class Common Stock , par value $ 0.01 per share 1.50 % Notes Due 2023 1.875 % Notes Due 2026 EMN EMN23 EMN26 62-1539359 Registrant's telephone number , including area code : ( 423 ) 229-2000 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol ( s ) ( I.R.S. employer identification no . ) 1 37662 ( Zip Code ) Name of each exchange on which registered New York Stock Exchange New York Stock Exchange New York Stock Exchange Securities registered pursuant to Section 12 ( g ) of the Act : None