Results of Operations and Financial Condition On July 30, 2026, the registrant publicly released its financial results for second quarter 2026. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1…

Results of Operations and Financial Condition On April 30, 2026, the registrant publicly released its financial results for first quarter 2026. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1…

Entry into a Material Definitive Agreement. On February 20, 2026, Eastman Chemical Company (the “Company”) issued $600,000,000 aggregate principal amount of 4.500% Notes due 2031 (the “Notes”) in a public offering (the “Notes Offering”) pursuant to a registration statement on Form S-3 (File No. 333-280083) and a preliminary prospectus supplement and prospectus supplement related to the offering of the Notes, each as previously filed with the SEC. The Notes were issued under an indenture, date…

Results of Operations and Financial Condition On January 29, 2026, the registrant publicly released its financial results for fourth quarter 2025. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act o…

Results of Operations and Financial Condition On November 3, 2025, the registrant publicly released its financial results for third quarter 2025. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of…

Senior Vice President - Chief Technology and Sustainability Officer — Chris M. Killian: Chris M. Killian plans to retire at the end of the year, with Stephen G. Crawford set to succeed him in a phased transition.

Results of Operations and Financial Condition On July 31, 2025, the registrant publicly released its financial results for second quarter 2025. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1…

Director — Damon Audia: The filing discloses the appointment of a new director to the board, which is a routine governance event and not an executive departure.

Executive Vice President — Steve Crawford: The company eliminated the EVP position after a project was completed, resulting in the departure of a senior executive with 41 years of service, which is a genuine loss of a sitting officer but framed as an orderly succession rather than a sudden shock.

Results of Operations and Financial Condition On April 24, 2025, the registrant publicly released its financial results for first quarter 2025. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1…

null — Brad A. Lich: The filing discloses the entry into a severance agreement for future qualifying terminations, not an actual departure or change in office.

Entry into a Material Definitive Agreement. On February 21, 2025, Eastman Chemical Company (the “Company”) issued $250,000,000 aggregate principal amount of 5.000% Notes due 2029 (the “Notes”) in a public offering (the “Notes Offering”) pursuant to a registration statement on Form S-3 (File No. 333-280083) and a preliminary prospectus supplement and prospectus supplement related to the offering of the Notes, each as previously filed with the SEC. The Notes constitute a further issuance of, an…

Results of Operations and Financial Condition On January 30, 2025, the registrant publicly released its financial results for fourth quarter and full year 2024. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Se…

Regulation FD Disclosure On November 21, 2024, Eastman Chemical Company (the “Company”) issued a press release providing an update on the Company’s expected EBITDA growth presented at the Company’s “2024 Circular Economy Deep Dive” investor and analyst event held on November 21, 2024 at its headquarters in Kingsport, Tennessee. The full text of the release is furnished as Exhibit 99.1 to this Current Report on Form 8-K. This information shall not be deemed “filed” for purposes of Section 18 o…

Results of Operations and Financial Condition On October 31, 2024, the registrant publicly released its financial results for third quarter 2024. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of…

Entry into a Material Definitive Agreement. On August 1, 2024, Eastman Chemical Company (the “Company”) issued $500,000,000 aggregate principal amount of 5.000% Notes due 2029 (the “Notes”) in a public offering (the “Notes Offering”) pursuant to a registration statement on Form S-3 (File No. 333-280083) and a preliminary prospectus supplement and prospectus supplement related to the offering of the Notes, each as previously filed with the SEC. The Notes were issued under an indenture, dated a…

Other Events. The sale of the Notes was made pursuant to the terms of an Underwriting Agreement, which the Company entered into on July 29, 2024 (the “Underwriting Agreement”), with BofA Securities, Inc., Citigroup Global Markets Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC and Morgan Stanley & Co. LLC, as representatives of the several underwriters listed in Schedule 1 to the Underwriting Agreement. The Company expects that the net proceeds from the sale of the Notes will be a…

Other Events On July 29, 2024, Eastman Chemical Company (the “Company”) issued a press release announcing the public offering (the “Offering”) of $500 million aggregate principal amount of 5.000% notes due 2029. The Offering is expected to be completed on August 1, 2024, subject to customary closing conditions. The Company intends to use a portion of the net proceeds from the Offering to complete its previously announced cash tender offer (the “Tender Offer”) to purchase up to an aggregate pr…

Results of Operations and Financial Condition On July 25, 2024, the registrant publicly released its financial results for second quarter 2024. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1…

Director — Donald W. Slager: The filing discloses the routine election of a new director to the board and committee appointments, which is a standard governance event rather than an executive departure.

Results of Operations and Financial Condition On April 25, 2024, the registrant publicly released its financial results for first quarter 2024. The full text of the release is furnished as Exhibit 99.01 to this Current Report on Form 8-K, and is incorporated herein by reference. This information shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or incorporated by reference in any filing under the Securities Act of 1…