Eastman Chemical Company entered into a definitive agreement on November 12, 2026, to issue $300,000,000 in aggregate principal amount of 5.500% Notes due 2030. The notes were sold in a public offering pursuant to a registration statement on Form S-3 (File No. 333-280083). The issuance was conducted under an indenture dated June 5, 2012, with Computershare Trust Company, National Association, acting as trustee.

The notes are scheduled to mature on February 25, 2030. Interest payments will be made semi-annually on February 25 and August 25 of each year, beginning on February 25, 2027. The notes are general unsecured obligations of Eastman Chemical and rank equally with the company's existing unsecured indebtedness.

Eastman has the option to redeem the notes prior to maturity. Between now and January 25, 2030, the company may redeem the notes at the greater of the present value of remaining payments plus 15 basis points over the Treasury Rate or 100% of the principal amount. On and after January 25, 2030, the notes may be redeemed at 100% of the principal amount plus accrued interest.

The company entered into an Underwriting Agreement on November 2, 2026, with Citigroup Global Markets Inc. and Mizuho Securities USA LLC as representatives of the underwriters. Eastman expects to receive net proceeds of approximately $297.7 million after deducting underwriting discounts and estimated offering expenses. The company intends to use these funds for general corporate purposes, including working capital, capital expenditures, and the repayment of other indebtedness.