Exhibit 10


                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT

         This First  Amendment to Fifth  Amended and Restated  Credit  Agreement
(this "First  Amendment")  is entered into effective as of the 1st day of April,
2005 (the  "Effective  Date"),  by and among  Denbury  Onshore,  LLC, a Delaware
limited  liability  company  ("Borrower"),  Denbury  Resources  Inc., a Delaware
corporation  ("Parent"),  JPMorgan Chase Bank, N.A., successor by merger to Bank
One, NA (Main Office Chicago), as Administrative Agent ("Administrative Agent"),
and the financial institutions parties hereto as Banks ("Banks").

                               W I T N E S S E T H
                               -------------------

         WHEREAS,  Borrower,  Parent,  Administrative  Agent, the other agents a
party  thereto and Banks are parties to that certain  Fifth Amended and Restated
Credit Agreement dated as of September 1, 2004 (the "Credit  Agreement") (unless
otherwise  defined  herein,  all terms used  herein  with their  initial  letter
capitalized  shall have the meaning  given such terms in the Credit  Agreement);
and

         WHEREAS, pursuant to the Credit Agreement,  Banks have made a Revolving
Loan to Borrower and provided certain other credit  accommodations  to Borrower;
and

         WHEREAS,  Borrower has advised  Administrative  Agent and Banks that it
intends to participate in an additional  bond program  sponsored by the State of
Mississippi,  pursuant to which Mississippi  Business Finance  Corporation would
issue  and  sell  additional  Taxable  Industrial  Revenue  Bonds  in a  maximum
aggregate  principal amount of $80,000,000 (the "2005 Bonds") to  Administrative
Agent, on behalf of Banks,  the proceeds of which will ultimately be utilized by
Borrower to finance  certain of its projects and CO2  facilities in the State of
Mississippi (the "2005 Bond Offering"),  all as more  particularly  described in
the 2005 Bond Documents (as hereinafter defined); and

         WHEREAS,  Borrower has requested  that Banks (a) amend certain terms of
the Credit Agreement in certain respects,  (b) consent to the 2005 Bond Offering
as more  particularly  described herein and in the 2005 Bond Documents,  and (c)
reaffirm a Borrowing  Base of  $200,000,000  to be effective as of April 1, 2005
and continuing until the First Redetermination thereafter; and

         WHEREAS, subject to and upon the terms and conditions set forth herein,
Banks have agreed to Borrower's requests.

         NOW THEREFORE,  for and in  consideration  of the mutual  covenants and
agreements  herein  contained  and other good and  valuable  consideration,  the
receipt  and  sufficiency  of  which  are  hereby  acknowledged  and  confessed,
Borrower, Administrative Agent and each Bank hereby agree as follows:

SECTION 1. AMENDMENTS. In reliance on the representations, warranties, covenants
and  agreements   contained  in  this  First  Amendment,   and  subject  to  the

                                       1


satisfaction  of the  conditions  precedent  set forth in Section 4 hereof,  the
Credit  Agreement  shall be amended  effective as of the  Effective  Date in the
manner provided in this Section 1.

     1.1 ADDITIONAL  DEFINITIONS.  Section 2.1 of the Credit  Agreement shall be
amended to add thereto in  alphabetical  order the following  definitions  which
shall read in full as follows:

          "2005   Bond   Exposure"   means,   at  any  time,   without
     duplication,  the aggregate  amount of proceeds of the 2005 Bonds
     which have not been advanced at such time by the Bond  Purchaser.
     The 2005  Bond  Exposure  of any  Bank at any  time  shall be its
     Commitment  Percentage  of the total 2005 Bond  Exposure  at such
     time.

          "2005 Bond  Indenture"  means that certain Trust  Indenture,
     dated as of April 1, 2005,  by and  between  Bond Issuer and Bond
     Trustee.

          "2005  Bond  Loan   Agreement"   means  that   certain  Loan
     Agreement,  dated as of April 1, 2005, by and between Bond Issuer
     and Borrower.

          "2005  Bond  Note"  means that  certain  promissory  note of
     Borrower,  dated of even date with the 2005 Bond Loan  Agreement,
     payable to the order of Bond Issuer,  which  promissory  note has
     been   pledged  and  assigned  to  Bond  Trustee  to  secure  the
     obligations  of Bond Issuer under the 2005 Bond Indenture and the
     2005 Bonds.

          "2005 Bond  Offering"  means the  issuance  and sale by Bond
     Issuer of the 2005 Bonds to Bond Purchaser, the proceeds of which
     are to be advanced,  from time to time, by Bond Purchaser to Bond
     Trustee to fund the "Project Fund" as created under,  and defined
     in, the 2005 Bond Indenture,  which Project Fund will be utilized
     to finance  the Cost of the  Project (as defined in the 2005 Bond
     Loan  Agreement)  located in the State of  Mississippi.  Upon the
     date of the issuance of the 2005 Bonds,  Bond  Purchaser  was (or
     will be) deemed to have sold to each Bank,  and each Bank was (or
     will be) deemed to have unconditionally and irrevocably purchased
     from Bond Purchaser,  a participation  in the 2005 Bonds and 2005
     Bond Exposure equal to such Bank's Commitment  Percentage of such
     2005 Bonds and 2005 Bond Exposure.

          "2005  Bond  Purchase  Agreement"  means that  certain  Bond
     Purchase  Agreement,  dated  as of  April  1,  2005,  among  Bond
     Purchaser, Bond Issuer and Borrower.

          "2005  Bonds"  means,  whether  one or more,  Bond  Issuer's
     Taxable  Industrial   Development   Revenue  Bonds,  Series  2005

                                       2


     (Denbury Onshore, LLC Project),  which 2005 Bonds shall (a) be in
     a maximum  aggregate  principal  amount of $80,000,000,  (b) bear
     interest at rates  identical to the  interest  rates set forth in
     this  Agreement,  (c) have a maturity date of April 1, 2007,  and
     (d) provide that Bond Purchaser's  obligation to make advances of
     the proceeds  thereof shall expire two (2) years from the date of
     issuance of such 2005 Bonds.

          "First  Amendment"  means that  certain  First  Amendment to
     Fifth Amended and Restated Credit  Agreement dated as of April 1,
     2005 among Borrower, Parent, Administrative Agent and Banks.

     1.2 AMENDMENT TO DEFINITIONS.  The definitions of  "Administrative  Agent,"
"Bank One," "Bond  Disbursement,"  "Bond  Documents,"  "Bond  Purchaser,"  "Bond
Trustee"  and "Loan  Papers"  contained  in Section 2.1 of the Credit  Agreement
shall be amended and restated to read in full as follows:

          "Administrative  Agent"  means  JPMorgan  Chase Bank,  N.A.,
     successor by merger to Bank One, NA (Main Office Chicago), in its
     capacity  as  Administrative  Agent  for Banks  hereunder  of any
     successor thereto.

          "Bank One" means  JPMorgan  Chase Bank,  N.A.,  successor by
     merger to Bank One, NA (Main Office Chicago),  a national banking
     association, in its capacity as a Bank.

          "Bond  Disbursement"  means an  advance of  proceeds  of the
     Bonds or the 2005 Bonds by the Bond Purchaser to the Bond Trustee
     pursuant to the Bond Documents.

          "Bond Documents"  means,  collectively,  the Bonds, the 2005
     Bonds, the Bond Loan Agreement, the 2005 Bond Loan Agreement, the
     Bond Note, the 2005 Bond Note, the Bond Purchase  Agreement,  the
     2005 Bond Purchase Agreement,  the Bond Indenture,  the 2005 Bond
     Indenture and all other  agreements,  documents  and  instruments
     now,  heretofore  or  hereafter  executed  and/or  delivered  by,
     between or among any Credit  Party,  Bond  Issuer,  Bond  Trustee
     and/or Bond Purchaser  pursuant to the Bonds, the 2005 Bonds, the
     Bond  Loan  Agreement,  the 2005 Bond  Loan  Agreement,  the Bond
     Purchase Agreement,  the 2005 Bond Purchase  Agreement,  the Bond
     Indenture,  the 2005 Bond  Indenture or  otherwise in  connection
     with the Bond Offering or the 2005 Bond  Offering,  each of which
     agreements,  documents  and  instruments  shall  be in  form  and
     substance   acceptable  to  Administrative   Agent  in  its  sole
     discretion.

                                       3


          "Bond Purchaser" means Administrative  Agent, as "Purchaser"
     of the Bonds and the 2005 Bonds under the Bond Purchase Agreement
     and the 2005 Bond Purchase Agreement, respectively.

          "Bond  Trustee"  means  JPMorgan  Chase Bank,  N.A.,  in its
     capacity as "Trustee"  under the Bond Indenture and the 2005 Bond
     Indenture.

          "Loan Papers" means this Agreement, the First Amendment, the
     Notes,  each  Facility  Guaranty  which may now or  hereafter  be
     executed, each Parent Pledge Agreement which may now or hereafter
     be executed,  each Subsidiary  Pledge  Agreement which may now or
     hereafter be executed,  the Existing Mortgages (as amended by the
     Amendments  to  Mortgages),  all  Mortgages  now or at  any  time
     hereafter  delivered  pursuant to Section 6.1, the  Amendments to
     Mortgages,  and all other certificates,  documents or instruments
     delivered in connection with this Agreement, as the foregoing may
     be amended from time to time.

     1.3 GENERAL  PROVISIONS  AS TO PAYMENTS.  The  "seventh"  clause of Section
4.2(c) of the Credit  Agreement shall be amended and restated to read in full as
follows:

          "seventh,   to  the   payment  to  each  Bank   (and/or  its
     Affiliates)  of its  Commitment  Percentage  of  the  outstanding
     principal of the  Revolving  Loan and to satisfy all  obligations
     and liabilities then due under Hedge Agreements, such payments to
     be made pro rata to each Bank (and/or its  Affiliates)  owed such
     Obligations  in proportion to all such payments owed to all Banks
     (and/or its Affiliates) in respect of such Obligations,".

     1.4  ADDITIONAL  REPRESENTATION  AND  WARRANTY.  Article VIII of the Credit
Agreement  shall be amended to include a new  Section  8.21 which  shall read in
full as follows:

          "Section  8.21 Bond  Documents.  Borrower  has  provided  to
     Administrative  Agent a true and correct copy of each of the Bond
     Documents,  including all  amendments and  modifications  thereto
     (whether  characterized  as an amendment,  modification,  waiver,
     consent or similar  document).  No material rights or obligations
     of any party to any of the Bond Documents have been waived and no
     party  to  any  of  the  Bond  Documents  is in  default  of  its
     obligations  or in breach of any  representations  or  warranties
     made thereunder.  Each of the Bond Documents is a valid,  binding
     and  enforceable  obligation  of each party thereto in accordance
     with its terms and is in full force and  effect.  As used in this
     Agreement,   the  term  "Obligations"   shall  include,   without

                                       4


     limitation, any and all obligations, indebtedness and liabilities
     owed by  Borrower  or any other  Credit  Party to Bond  Purchaser
     (whether  directly or as assignee of Bond Issuer)  under the Bond
     Documents, which obligations,  indebtedness and liabilities shall
     be  secured  by Liens on all  property  described  as  collateral
     security for the  Obligations in accordance  with and pursuant to
     the Mortgages and the other Loan Papers.  Each representation and
     warranty  made by  Borrower  and  each  other  party  in the Bond
     Documents is true and correct on the date of the First  Amendment
     and will be true and  correct  on the date of each  Borrowing  or
     issuance of a Letter of Credit."

     1.5 DEBT COVENANT. Section 10.1 of the Credit Agreement shall be amended to
read in full as follows:

          "Section 10.1  Incurrence of Debt.  Parent and Borrower will
     not,  nor will Parent  and/or  Borrower  permit any other  Credit
     Party to, incur, become or remain liable for any Debt;  provided,
     that (a) Borrower may incur,  become or remain liable for (i) the
     Obligations, (ii) without duplication, Debt evidenced by the Bond
     Loan Agreement and the 2005 Bond Loan Agreement,  (iii) Permitted
     Subordinate  Debt,  (iv)  Debt  described  in  clause  (f) of the
     definition  thereof in connection with any Permitted  Genesis VPP
     Transaction,  and (v) other unsecured Debt in an aggregate amount
     outstanding at any time not to exceed $10,000,000, (b) Parent may
     assume and remain liable for Permitted  Subordinate Debt, and (c)
     any Restricted Subsidiary may incur, become and remain liable for
     Permitted  Subordinate  Debt as a guarantor;  provided,  that (i)
     such   Guarantees   of  Permitted   Subordinate   Debt  shall  be
     subordinated  to  the  Obligations   pursuant  to   subordination
     provisions  approved by Required  Banks,  such approval to not be
     unreasonably  withheld,  and  (ii)  prior  to the  execution  and
     delivery  by  any  Restricted   Subsidiary  of  any  Guaranty  of
     Permitted Subordinate Debt, such Restricted Subsidiary shall have
     executed and  delivered to  Administrative  Agent for the ratable
     benefit of Banks a Facility Guaranty,  and all the Equity of such
     Restricted  Subsidiary  owned by any Credit Party shall have been
     pledged  to  Administrative  Agent  pursuant  to a Parent  Pledge
     Agreement or a Subsidiary Pledge Agreement."

     1.6  RESTRICTED  PAYMENTS.  Section 10.2 of the Credit  Agreement  shall be
amended to read in full as follows:

          "Section 10.2 Restricted Payments.  Parent and Borrower will
     not,  nor will Parent  and/or  Borrower  permit any other  Credit
     Party to,  directly or  indirectly,  declare or pay, or incur any
     liability to declare or pay, any  Restricted  Payment;  provided,
     that (a) any  Subsidiary  of  Parent  may make  Distributions  to
     Borrower,  (b) any  Credit  Party may make  Distributions  to any

                                       5


     other Credit Party that has provided a Facility Guaranty, and all
     of the Equity of which owned by Parent or any Indirect Subsidiary
     which is a Restricted Subsidiary (as applicable) has been pledged
     to Administrative  Agent pursuant to a Parent Pledge Agreement or
     a Subsidiary Pledge Agreement (as applicable),  (c) so long as no
     Default or Borrowing Base Deficiency  exists on the date any such
     Distribution  is  declared  or paid  and no  Default  or Event of
     Default  would  result  therefrom,  in addition to  Distributions
     permitted under the preceding  clauses (a) and (b),  Borrower may
     make Restricted Payments up to $5,000,000 in the aggregate in any
     Fiscal  Year,  and (d)  Borrower  may  make  payments  under  and
     pursuant  to  the  Bond  Loan  Agreement,   the  2005  Bond  Loan
     Agreement,  the Bond Note and the 2005  Bond  Note in  accordance
     with the terms thereof."

     1.7  BORROWINGS  RELATED  TO BOND  OFFERINGS.  Section  10.16 of the Credit
Agreement shall be amended to read in full as follows:

          "Section  10.16   Borrowings   Related  to  Bond  Offerings.
     Borrower will not request or receive any Borrowing hereunder, the
     proceeds of which are to be used to fund advances under the Bonds
     or the 2005 Bonds,  except in accordance  and in compliance  with
     the  terms of the  Bond  Documents.  Borrower  agrees  that  each
     Request for  Borrowing,  the  proceeds of which are to be used to
     fund advances under the Bonds or the 2005 Bonds, will include, in
     addition to the  information  described in Section 3.2 hereof,  a
     certification  from an  Authorized  Officer as to the purpose and
     utilization  of the  proceeds  of such  Borrowing.  Additionally,
     notwithstanding  anything to the  contrary  contained in the Loan
     Papers or Bond Documents,  each payment of principal and interest
     received by Bond  Purchaser  on the Bonds or the 2005 Bonds shall
     be deemed to be and considered as, without duplication, a payment
     of  principal  and  interest  on  the  Revolving  Loan,  and  any
     borrowing by Borrower  under the Bond Loan  Agreement or the 2005
     Bond Loan  Agreement  or on any Bond Note or 2005 Bond Note shall
     also be deemed to be and considered as,  without  duplication,  a
     Borrowing  of  a  Revolving  Loan   hereunder  (the   outstanding
     principal  of which  shall be and be deemed to be included in the
     Outstanding Credit for all purposes hereunder)."

SECTION 2. CONSENT AND WAIVER. In reliance on the  representations,  warranties,
covenants and agreements  contained in this First Amendment,  and subject to the
satisfaction  of the conditions  precedent set forth in Section 4 hereof,  Banks
hereby  (a)  consent  to (i) the  consummation  of the  2005  Bond  Offering  in
accordance  with the terms of the 2005 Bond Documents (as defined in Section 4.2
hereof),  and (ii) the  execution  and  delivery  by  Borrower  of the 2005 Bond
Documents to which it is a party, and the performance of its obligations and the

                                       6


exercise of its rights under and pursuant  thereto,  and (b) waive compliance by
Borrower with each  provision of the Credit  Agreement and the other Loan Papers
to the extent,  but only to the extent,  that the  consummation of the 2005 Bond
Offering and the execution and delivery of the 2005 Bond  Documents by Borrower,
and the  performance of its obligations and the exercise of its rights under and
pursuant  thereto,  violate such  provisions  or result in a Default or Event of
Default  under the Credit  Agreement or the other Loan  Papers.  The consent and
waiver herein contained are expressly  limited as follows:  (i) such consent and
waiver are limited solely to (as applicable)  the  consummation of the 2005 Bond
Offering in accordance  with the terms of the 2005 Bond  Documents most recently
provided to  Administrative  Agent,  and (ii) such consent and waiver are each a
limited,  one-time  consent  and  waiver,  and nothing  contained  herein  shall
obligate  Banks to grant any additional or future consent or waiver with respect
to, or in connection with, any provision of any Loan Paper.

     Without limiting the power and authority of Administrative  Agent described
in the Credit Agreement, Banks hereby:

     (a) appoint  Administrative  Agent, as Bond  Purchaser,  as its contractual
representative   under  the  2005  Bond  Documents  and  irrevocably   authorize
Administrative Agent to act as the contractual representative of each Bank under
the 2005 Bond Documents with the rights and duties  expressly set forth therein,
and to hold the 2005 Bonds on behalf of the Banks, it being expressly understood
and agreed,  however,  that  Administrative  Agent shall not have any  fiduciary
responsibilities to any Bank by reason of the 2005 Bond Documents; and

     (b) empower and authorize  Administrative  Agent to execute and deliver the
2005 Bond Documents to which it is a party.

SECTION 3.  BORROWING  BASE.  Effective as of April 1, 2005,  the Borrowing Base
shall be reaffirmed at $200,000,000  and shall remain at $200,000,000  until the
next   Redetermination   thereafter.   Borrower   and  Banks   agree   that  the
Redetermination  provided for in this Section 3 shall not be construed or deemed
to be a Special  Redetermination  for  purposes  of  Section  5.3 of the  Credit
Agreement.

SECTION 4. CONDITIONS  PRECEDENT.  The amendments contained in Section 1 hereof,
and the consent  and waiver  contained  in Section 2 hereof,  are subject to the
satisfaction of each of the following conditions precedent on or before April 1,
2005:

     4.1 CONSUMMATION OF 2005 BOND OFFERING. Subject only to the granting of the
consent thereto contained in Section 2 hereof, the 2005 Bond Offering shall have
been consummated in accordance with the terms of the 2005 Bond Documents.

     4.2 MATERIAL AGREEMENTS. Administrative Agent shall have been provided with
fully  executed  copies  of the  2005  Bonds,  together  with  any and all  loan
agreements,  notes,  purchase  agreements,  amendments and all other agreements,
documents and instruments  executed and/or delivered  pursuant to the 2005 Bonds
or otherwise in connection  with the 2005 Bond Offering,  each of which shall be
in form and substance  acceptable to Administrative Agent in its sole discretion
(collectively,  the "2005 Bond Documents"),  together with a certificate from an
Authorized  Officer of Borrower  certifying  that such copies are  accurate  and

                                       7


complete and represent the complete  understanding  and agreement of the parties
with respect to the subject matter thereof.

     4.3  RESOLUTIONS.  Parent and Borrower  shall have provided  Administrative
Agent with copies of  resolutions  and  comparable  consents and  authorizations
approving (a) this First Amendment,  (b) any other Loan Papers to be executed or
delivered  pursuant  hereto,  and (c) the 2005 Bond  Documents to be executed or
delivered by Borrower, and further authorizing the transactions  contemplated by
this First  Amendment  and any other Loan  Papers to be  executed  or  delivered
pursuant  hereto,  duly  adopted  by  the  Board  of  Directors  (or  comparable
authority) of Parent and Borrower  accompanied by a certificate of the Secretary
or  comparable  Authorized  Officer of  Borrower  that such  copies are true and
correct copies of  resolutions  duly adopted at a meeting of or (if permitted by
applicable  Law and, if required  by such Law, by the  regulations  or Bylaws of
Parent and Borrower) by the unanimous  written consent of the Board of Directors
(or  comparable  authority)  of Parent and Borrower,  and that such  resolutions
constitute all the resolutions  adopted with respect to such transactions,  have
not been amended,  modified or revoked in any respect, and are in full force and
effect as of the date hereof.

     4.4  OPINION.  Borrower  shall  have  delivered  an  opinion  of  Jenkens &
Gilchrist,   counsel  to  Parent  and   Borrower,   with   respect  to  the  due
authorization,  execution,  delivery and  enforceability of this First Amendment
and the 2005 Bond Documents to which Borrower is a party, and such other matters
related thereto as Administrative Agent shall require.

     4.5 NO DEFAULT. No Default or Event of Default shall have occurred which is
continuing.

     4.6 OTHER  DOCUMENTS.  Administrative  Agent shall have been  provided with
such other documents,  instruments and agreements, and Parent and Borrower shall
have taken such  actions,  as  Administrative  Agent may  reasonably  require in
connection with this First Amendment and the transactions contemplated hereby.

Section 5.  REPRESENTATIONS  AND WARRANTIES.  To induce Banks and Administrative
Agent to enter into this First Amendment, Parent and Borrower hereby jointly and
severally represent and warrant to Banks and Administrative Agent as follows:

     5.1 REAFFIRM EXISTING  REPRESENTATIONS AND WARRANTIES.  Each representation
and warranty of Parent and Borrower  contained in the Credit  Agreement  and the
other Loan  Papers is true and  correct on the date  hereof and will be true and
correct after giving effect to the amendments set forth in Section 1 hereof.

     5.2 DUE AUTHORIZATION; NO CONFLICT. The execution, delivery and performance
by  Parent  and  Borrower  of this  First  Amendment  are  within  Parent's  and
Borrower's corporate or organizational  powers, have been duly authorized by all
necessary  action,  require no action by or in respect of, or filing  with,  any
governmental body, agency or official and do not violate or constitute a default
under any provision of  applicable  law or any Material  Agreement  binding upon
Parent,  Borrower or their  Subsidiaries or result in the creation or imposition
of any Lien upon any of the assets of  Parent,  Borrower  or their  Subsidiaries
except Permitted Encumbrances.

                                       8


     5.3 VALIDITY AND ENFORCEABILITY. This First Amendment constitutes the valid
and binding obligation of Parent and Borrower enforceable in accordance with its
terms,  except as (i) the  enforceability  thereof may be limited by bankruptcy,
insolvency or similar laws affecting  creditor's rights generally,  and (ii) the
availability  of equitable  remedies may be limited by equitable  principles  of
general application.

     5.4 NO DEFAULT  OR EVENT OF  DEFAULT.  No  Default or Event of Default  has
occurred which is continuing.


Section 6. MISCELLANEOUS.

     6.1  REAFFIRMATION OF LOAN PAPERS.  Any and all of the terms and provisions
of the  Credit  Agreement  and the Loan  Papers  shall,  except as  amended  and
modified hereby,  remain in full force and effect.  The amendments  contemplated
hereby  shall not limit or impair any Liens  securing the  Obligations,  each of
which are hereby  ratified,  affirmed and extended to secure the  Obligations as
they may be increased pursuant hereto.

     6.2  PARTIES IN  INTEREST.  All of the terms and  provisions  of this First
Amendment  shall bind and inure to the benefit of the  parties  hereto and their
respective successors and assigns.

     6.3 LEGAL EXPENSES.  Borrower hereby agrees to pay on demand all reasonable
fees and expenses of counsel to Administrative  Agent incurred by Administrative
Agent in  connection  with the  preparation,  negotiation  and execution of this
First Amendment and all related documents.

     6.4 COUNTERPARTS. This First Amendment may be executed in counterparts, and
all parties need not execute the same  counterpart;  however,  no party shall be
bound by this First  Amendment  until Parent,  Borrower and Required  Banks have
executed a counterpart. Facsimiles shall be effective as originals.

     6.5 COMPLETE AGREEMENT.  THIS FIRST AMENDMENT, THE CREDIT AGREEMENT AND THE
OTHER LOAN PAPERS REPRESENT THE FINAL AGREEMENT  BETWEEN THE PARTIES AND MAY NOT
BE CONTRADICTED BY EVIDENCE OF PRIOR,  CONTEMPORANEOUS OR ORAL AGREEMENTS OF THE
PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN OR AMONG THE PARTIES.

     6.6 HEADINGS.  The headings,  captions and arrangements  used in this First
Amendment are, unless specified otherwise, for convenience only and shall not be
deemed to limit, amplify or modify the terms of this First Amendment, nor affect
the meaning thereof.

         IN WITNESS WHEREOF, the parties hereto have caused this First Amendment
to be duly executed by their respective authorized officers on the date and year
first above written.

                           [Signature Pages to Follow]


                                       9

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT



                                           PARENT:

                                           DENBURY RESOURCES INC.,
                                           a Delaware corporation


                                           By:  /s/ Phil Rykhoek
                                                -------------------------------
                                                Phil Rykhoek,
                                                Senior Vice President and
                                                Chief Financial Officer



                                           BORROWER:

                                           DENBURY ONSHORE, LLC,
                                           a Delaware limited liability company


                                           By:  /s/ Phil Rykhoek
                                                -------------------------------
                                                Phil Rykhoek,
                                                Senior Vice President and
                                                Chief Financial Officer



                                [Signature Page]



                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT



     Each of the undersigned (i) consent and agree to this First Amendment,  and
(ii)  agree  that the Loan  Papers to which it is a party  shall  remain in full
force  and  effect  and  shall  continue  to be the  legal,  valid  and  binding
obligation of such Person, enforceable against it in accordance with its terms.

                                         DENBURY MARINE, L.L.C.,
                                         a Louisiana limited liability company

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


                                         DENBURY OPERATING COMPANY,
                                         a Delaware corporation

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


                                         TUSCALOOSA ROYALTY FUND LLC,
                                         a Mississippi limited liability company

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


                                         DENBURY GATHERING & MARKETING, INC.,
                                         a Delaware corporation

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


                                [Signature page]


                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         ADMINISTRATIVE AGENT:

                                         JPMORGAN CHASE BANK, N.A.,
                                         as Administrative Agent


                                         By:  /s/ J. Scott Fowler
                                              ---------------------------------
                                              J. Scott Fowler,
                                              Vice President


                                         BANKS:

                                         JPMORGAN CHASE BANK, N.A.

                                         By:  /s/ J. Scott Fowler
                                              ---------------------------------
                                              J. Scott Fowler,
                                              Vice President





                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         FORTIS CAPITAL CORP.

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________













                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         CALYON NEW YORK BRANCH,  successor by
                                         consolidation to Credit
                                         Lyonnais New York Branch

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________



















                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         COMERICA BANK

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________



















                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         UNION BANK OF CALIFORNIA, N.A.

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________












                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         WELLS FARGO BANK, N.A.

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________



















                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         BANK OF AMERICA, N.A.


                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


















                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         BANK OF SCOTLAND

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


















                                [Signature Page]

                                SIGNATURE PAGE TO
                        FIRST AMENDMENT TO FIFTH AMENDED
                          AND RESTATED CREDIT AGREEMENT


                                         BANKS:

                                         COMPASS BANK

                                         By:___________________________________
                                         Name:_________________________________
                                         Title:________________________________


















                                [Signature Page]