EX-32 8 d273528dex32.htm SECTION 906 CERTIFICATIONS OF CEO AND CFO Section 906 Certifications of CEO and CFO


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, 2011(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.



Joseph H. Pyne

Chairman of the Board and

Chief Executive Officer


David W. Grzebinski

Executive Vice President and

Chief Financial Officer

Dated: February 28, 2012