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Exhibit 32

Certification Pursuant to Section 18 U.S.C. Section 1350

 

In connection with the filing of the Quarterly Report on Form 10-Q for the quarter ended September 30, 2023 (the “Report”) by Kirby Corporation (the “Company”), each of the undersigned hereby certifies that:

1.
The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and
2.
The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

 

/s/ David W. Grzebinski

 

David W. Grzebinski

 

President and Chief Executive Officer

 

 

 

/s/ Raj Kumar

 

Raj Kumar

 

Executive Vice President and

 

Chief Financial Officer

 

 

Dated: November 6, 2023