Carbo Ceramics (CRRTQ) 10-Q 2004 Q2 Quarterly report

Exhibit 32

Certification Pursuant to

18 U.S.C. Section 1350,

As Adopted Pursuant to

Section 906 of the Sarbanes-Oxley Act of 2002

Pursuant to section 906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code), each of the undersigned officers of Carbo Ceramics Inc. (the “Company”), does hereby certify, to such officer’s knowledge, that:

The Quarterly Report on Form 10-Q for the quarter ended June 30, 2004 of the Company fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934 and information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

Dated: July 21, 2004

     /s/ C. Mark Pearson

Name: C. Mark Pearson
Title: Chief Executive Officer

Dated: July 21, 2004

     /s/ Paul G. Vitek

Name: Paul G. Vitek
Title: Chief Financial Officer