Exhibit 99.1

      Certification of Chief Executive Officer and Chief Financial Officer
            Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002


In  connection  with the  accompanying  Quarterly  Report  on Form  10-Q for the
quarter ended June 30, 2002 (the "Report") of Denbury Resources Inc. ("Denbury")
as filed with the Securities and Exchange Commission on August 14, 2002, each of
the  undersigned,  in his  capacity as an officer of Denbury,  hereby  certifies
pursuant to 18 U.S.C.  Section 1350,  as adopted  pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that to his knowledge:

          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 Denbury.




Dated:  August 13, 2002             /s/ Gareth Roberts
                                    --------------------------------------------
                                    Gareth Roberts
                                    President and Chief Executive Officer




Dated:  August 13, 2002             /s/ Phil Rykhoek
                                    --------------------------------------------
                                    Phil Rykhoek
                                    Chief Financial Officer