OTHER INFORMATION
−Removed: During the three months ended June 30, 2023, none of our directors or executive officers adopted or terminated any Rule 10b5-1 trading arrangement or any non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-X).
−Removed: Amendment to the Koppers Holdings Inc.
−Removed: Benefit Restoration Plan, effective as of May 1, 2023
−Removed: Form of Restricted Stock Unit Issuance Agreement Non-Employee Director - Time Vesting
+Added: During the three months ended September 30, 2023, none of our directors or executive officers adopted or terminated any Rule 10b5-1 trading arrangement or any non-Rule 10b5-1 trading arrangement (as such terms are defined in Item 408 of Regulation S-X).
+Added: Amended and Restated Articles of Incorporation of Koppers Holdings Inc., as amended on August 3, 2023.
+Added: Third Amended and Restated Bylaws, as adopted on August 2, 2023, of Koppers Holdings Inc.
+Added: (Incorporated herein by reference to Exhibit 3.2 to the Current Report on Form 8-K filed on August 3, 2023 by Koppers Holdings Inc.
+Added: (Commission File No.
Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
13 unchanged sentences
(R EGISTRANT )
−Removed: August 3, 2023
+Added: November 3, 2023
/s/ J immi S ue S mith
3 unchanged sentences
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.