EXHIBIT 21 LIST OF SUBSIDIARIES JURISDICTION OF NAME OF SUBSIDIARY INCORPORATION STATUS - --------------------------------- ---------------------------- --------------------------------------------- Denbury Holdings Ltd. Province of Alberta Wholly owned subsidiary of Denbury Resources Inc. - holding company Denbury Management, Inc. State of Texas Wholly owned subsidiary of Denbury Holdings Ltd. - operating company Tallahatchie Resources, Inc. State of Texas Wholly owned subsidiary of Denbury Management, Inc. - dormant Denbury Marine, L.L.C. State of Louisiana Wholly owned subsidiary of Denbury Management, Inc. - marine company Brymore Energy Corp. State of Texas Wholly owned subsidiary of Denbury Management, Inc. - marketing company