EX-32 7 ex32.htm EXHIBIT 32

EXHIBIT 32
Certification Pursuant to Section 18 U.S.C. Section 1350
(As adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002)
In connection with the filing of the Annual Report on Form 10-K for the year ended December 31, 2018 (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/ WILLIAM G. HARVEY
| William G. Harvey
| Executive Vice President and
| Chief Financial Officer
Dated: February 25, 2019 |