Other Information
−Removed: There were no “Rule 10b5-1 trading arrangements” or “non-Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K of the Exchange Act) adopted , modified or terminated during the 2025 third quarter by the Company’s directors and Section 16 officers.
+Added: There were no “Rule 10b5-1 trading arrangements” or “non-Rule 10b5-1 trading arrangements” (as defined in Item 408 of Regulation S-K of the Exchange Act) adopted , modified or terminated during the 2026 first quarter by the Company’s directors and Section 16 officers.
EXHIBIT INDEX
5 unchanged sentences
See Exhibits 3.1, 3.2 and 3.3 hereof for provisions of the Restated Articles of Incorporation of the Company with all amendments to date and the Bylaws of the Company with all amendments to date (incorporated, respectively, by reference to Exhibit 3.1 to the Registrant’s Annual Report on Form 10-K for the year ended December 31, 2014, Exhibit 3.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on October 28, 2022, and Exhibit 3.2 to the Registrant’s Current Report on Form 8-K filed with the Commission on April 26, 2024).
+Added: Amended and Restated Credit Agreement dated March 26, 2026 among Kirby Corporation, JPMorgan Chase Bank, N.A., as Administrative Agent, and the banks named therein (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on March 30, 2026).
+Added: 2005 Stock and Incentive Plan (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed with the Commission on April 30, 2026).
+Added: 2000 Nonemployee Director Stock Plan (incorporated by reference to Exhibit 10.2 to the Registrant’s Current Report on Form 8-K filed with the Commission on April 30, 2026).
Certification of Chief Executive Officer Pursuant to Rule 13a-14(a)
+Added: Exhibit Number
+Added: Description of Exhibits
Certification of Chief Financial Officer Pursuant to Rule 13a-14(a)
10 unchanged sentences
Chief Financial Officer
−Removed: November 10, 2025
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.