Form 8-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15 (d)

of The Securities Exchange Act of 1934

Date of report (Date of earliest event reported):

December 1, 2022

EASTMAN CHEMICAL COMPANY

(Exact Name of Registrant as Specified in Its Charter)

Delaware 1-12626 62-1539359

(State or Other Jurisdiction

of Incorporation)

(Commission

File Number)

(IRS Employer

Identification No.)

200 South Wilcox Drive

KingsportTennessee

37662

(Address of Principal Executive Offices)

(Zip Code)

(423)229-2000

(Registrant's Telephone Number, Including Area Code)

Check the appropriate box below if the Form 8-Kfiling is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

Soliciting material pursuant to Rule 14a-12under the Exchange Act (17 CFR 240.14a-12)

Pre-commencementcommunications pursuant to Rule 14d-2(b)under the Exchange Act (17 CFR 240.14d-2(b))

Pre-commencementcommunications pursuant to Rule 13e-4(c)under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading
Symbol(s)

Name of each exchange

on which registered

Common Stock, par value $0.01 per share EMN New York Stock Exchange
1.50% Notes Due 2023 EMN23 New York Stock Exchange
1.875% Notes Due 2026 EMN26 New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2of the Securities Exchange Act of 1934 (§240.12b-2of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.03.

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On December 1, 2022, in connection with the new U.S. Securities and Exchange Commission rules regarding universal proxy cards and certain recent changes to the Delaware General Corporation Law (the "DGCL"), the Board of Directors of Eastman Chemical Company unanimously adopted Amended and Restated Bylaws of Eastman Chemical Company (the "Amended and Restated Bylaws"), effective immediately.

The Amended and Restated Bylaws, among other things:

Update the procedural mechanics for stockholder nominations of directors to address matters relating to Rule 14a-19under the Securities Exchange Act of 1934, as amended, and update the information requirements for the nomination of directors and the proposal of other business for consideration at meetings of stockholders;

Modify the provisions relating to the adjournment procedures and lists of stockholders entitled to vote at meetings of stockholders, in each case to reflect recent amendments to the DGCL;

Expressly provide for greater use of technology, including electronic notice, virtual stockholder meetings, and director and officer resignations, and

Make various other updates, including clarifying, ministerial and conforming changes.

The foregoing general description of the Amended and Restated Bylaws is qualified in its entirety by reference to the full text of the Amended and Restated Bylaws set forth in Exhibit 3.02 to this Form 8-Kand incorporated in this Item by reference.

Item 9.01

(d) Exhibits

3.02 Eastman Chemical Company Amended and Restated Bylaws, as of December 1, 2022
104 Cover Page Interactive Data File (embedded within the Inline XBRL document).

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

Eastman Chemical Company
By: /s/ Clark L. Jordan
Clark L. Jordan
Vice President, Legal and Corporate Secretary
Date: December 7, 2022

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Eastman Chemical Company published this content on 07 December 2022 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 07 December 2022 11:11:03 UTC.