EXHIBIT 21 DENBURY RESOURCES INC. LIST OF SUBSIDIARIES JURISDICTION OF NAME OF SUBSIDIARY INCORPORATION STATUS - ----------------------- ------------------- ----------------------------- Denbury Management, Inc. State of Texas Wholly owned subsidiary of Denbury Resources Inc. - operating company Denbury Marine, L.L.C. State of Louisiana Wholly owned subsidiary of Denbury Management, Inc. - marine company Denbury Energy State of Texas Wholly owned subsidiary of Services, Inc. Denbury Management, Inc. - marketing company Tallahatchie State of Texas Wholly owned subsidiary of Resources, Inc. Denbury Management, Inc. - dormant 1