Exhibit 99:

      Certifications pursuant to 18 U.S.C. Section 1350 as adopted
       pursuant to Section 906 of the Sarbanes-Oxley Act of 2002


                            Certification

Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Oil-Dri
Corporation of America (the "Company") hereby certifies that the Company's
Quarterly Report on Form 10-Q for the quarter ended April 30, 2003 (the
"Report") fully complies with the requirements of Section 13(a) or 15(d), as
applicable, of the Securities Exchange Act of 1934 and that the information
contained in the Report fairly presents, in all material respects, the financial
condition and results of operation of the Company.

Dated: June 12, 2003

/s/ Daniel S. Jaffee
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Name: Daniel S. Jaffee
Title: President and Chief Executive Officer

A signed original of this written statement required by Section 906 has been
provided to Oil-Dri Corporation of America and will be retained by Oil-Dri
Corporation of America and furnished to the Securities and Exchange Commission
or its staff upon request.


                         Certification

Pursuant to 18 U.S.C. Section 1350, the undersigned officer of Oil-Dri
Corporation of America (the "Company") hereby certifies that the Company's
Quarterly Report on Form 10-Q for the quarter ended April 30, 2003 (the
"Report") fully complies with the requirements of Section 13(a) or 15(d), as
applicable, of the Securities Exchange Act of 1934 and that the information
contained in the Report fairly presents, in all material respects, the financial
condition and results of operation of the Company.

Dated: June 12, 2003

/s/ Jeffrey M. Libert
- - ---------------------
Name: Jeffrey M. Libert
Title: Chief Financial Officer

A signed original of this written statement required by Section 906 has been
provided to Oil-Dri Corporation of America and will be retained by Oil-Dri
Corporation of America and furnished to the Securities and Exchange Commission
or its staff upon request.