H


                                                                    Exhibit 10.2




                                  $300,000,000

                      AMENDED AND RESTATED CREDIT AGREEMENT

                                      Among

                          ABRAXAS ENERGY PARTNERS, L.P.
                                  as Borrower,

                   THE LENDERS PARTY HERETO FROM TIME TO TIME
                                   as Lenders,

                                SOCIETE GENERALE
                 as Administrative Agent and as Issuing Lender,

                            THE ROYAL BANK OF CANADA
                              as Syndication Agent,

                                       and

                         THE ROYAL BANK OF SCOTLAND PLC
                             as Documentation Agent



                                January 31, 2008





           SG Americas Securities, LLC as Sole Bookrunner and Arranger












                                TABLE OF CONTENTS

                                                                                                               Page

                                                                                                             
ARTICLE I             DEFINITIONS AND ACCOUNTING TERMS...........................................................1

     Section 1.01          Certain Defined Terms.................................................................1
     Section 1.02          Computation of Time Periods..........................................................24
     Section 1.03          Accounting Terms; Changes in GAAP....................................................24
     Section 1.04          Types of Advances....................................................................24
     Section 1.05          Miscellaneous........................................................................24


ARTICLE II            CREDIT FACILITIES.........................................................................25

     Section 2.01          Commitment for Advances..............................................................25
     Section 2.02          Borrowing Base.......................................................................26
     Section 2.03          Method of Borrowing..................................................................29
     Section 2.04          Reduction of the Commitments.........................................................32
     Section 2.05          Prepayment of Advances...............................................................32
     Section 2.06          Repayment of Advances................................................................35
     Section 2.07          Letters of Credit....................................................................35
     Section 2.08          Fees.................................................................................39
     Section 2.09          Interest.............................................................................40
     Section 2.10          Payments and Computations............................................................41
     Section 2.11          Sharing of Payments, Etc.............................................................42
     Section 2.12          Breakage Costs.......................................................................43
     Section 2.13          Increased Costs......................................................................43
     Section 2.14          Taxes................................................................................44


ARTICLE III           CONDITIONS OF LENDING.....................................................................46

     Section 3.01          Conditions Precedent to Effectiveness................................................46
     Section 3.02          Conditions Precedent to All Borrowings...............................................50


ARTICLE IV            REPRESENTATIONS AND WARRANTIES............................................................51

     Section 4.01          Existence; Subsidiaries..............................................................51
     Section 4.02          Power................................................................................51
     Section 4.03          Authorization and Approvals..........................................................52
     Section 4.04          Enforceable Obligations..............................................................52
     Section 4.05          Financial Statements.................................................................52
     Section 4.06          True and Complete Disclosure.........................................................53
     Section 4.07          Litigation; Compliance with Laws.....................................................53
     Section 4.08          Use of Proceeds......................................................................54
     Section 4.09          Investment Company Act...............................................................54
     Section 4.10          Federal Power Act....................................................................54
     Section 4.11          Taxes................................................................................54
     Section 4.12          Pension Plans........................................................................55


                                       -i-


     Section 4.13          Condition of Property; Casualties....................................................55
     Section 4.14          No Burdensome Restrictions; No Defaults..............................................55
     Section 4.15          Environmental Condition..............................................................56
     Section 4.16          Permits, Licenses, Etc...............................................................57
     Section 4.17          Gas Contracts........................................................................57
     Section 4.18          Liens; Titles, Leases, Etc...........................................................57
     Section 4.19          Solvency and Insurance...............................................................57
     Section 4.20          Hydrocarbon Hedge Agreements.........................................................57
     Section 4.21          Material Agreements..................................................................58


ARTICLE V             AFFIRMATIVE COVENANTS.....................................................................58

     Section 5.01          Compliance with Laws, Etc............................................................58
     Section 5.02          Maintenance of Insurance.............................................................58
     Section 5.03          Preservation of Existence, Etc.......................................................59
     Section 5.04          Payment of Taxes, Etc................................................................59
     Section 5.05          Visitation Rights....................................................................60
     Section 5.06          Reporting Requirements...............................................................60
     Section 5.07          Maintenance of Property..............................................................64
     Section 5.08          Agreement to Pledge..................................................................64
     Section 5.09          Use of Proceeds......................................................................65
     Section 5.10          Title Opinions.......................................................................65
     Section 5.11          Further Assurances; Cure of Title Defects............................................65
     Section 5.12          Hedging Arrangements.................................................................66
     Section 5.13          Deposit Accounts.....................................................................66


ARTICLE VI            NEGATIVE COVENANTS........................................................................66

     Section 6.01          Liens, Etc...........................................................................66
     Section 6.02          Debts, Guaranties, and Other Obligations.............................................68
     Section 6.03          Agreements Restricting Liens and Distributions.......................................69
     Section 6.04          Merger or Consolidation; Asset Sales.................................................69
     Section 6.05          Restricted Payments..................................................................70
     Section 6.06          Investments..........................................................................70
     Section 6.07          Affiliate Transactions...............................................................71
     Section 6.08          Compliance with ERISA................................................................71
     Section 6.09          Sale-and-Leaseback...................................................................72
     Section 6.10          Change of Business...................................................................72
     Section 6.11          Organizational Documents, Name Change................................................72
     Section 6.12          Use of Proceeds; Letters of Credit...................................................73
     Section 6.13          Gas Imbalances, Take-or-Pay or Other Prepayments.....................................73
     Section 6.14          Limitation on Hedging................................................................73
     Section 6.15          Additional Subsidiaries..............................................................74
     Section 6.16          Account Payables.....................................................................74
     Section 6.17          Current Ratio........................................................................74
     Section 6.18          Interest Coverage Ratio..............................................................75
     Section 6.19          Initial Acquisition Instruments/Private Placement Documents..........................75


                                      -ii-


     Section 6.20          Subordinated Debt....................................................................75


ARTICLE VII           EVENTS OF DEFAULT; REMEDIES...............................................................75

     Section 7.01          Events of Default....................................................................75
     Section 7.02          Optional Acceleration of Maturity....................................................77
     Section 7.03          Automatic Acceleration of Maturity...................................................78
     Section 7.04          Right of Setoff......................................................................78
     Section 7.05          Non-exclusivity of Remedies..........................................................79
     Section 7.06          Application of Proceeds..............................................................79


ARTICLE VIII          THE ADMINISTRATIVE AGENT AND THE ISSUING LENDER...........................................80

     Section 8.01          Appointment and Authority............................................................80
     Section 8.02          Rights as a Lender...................................................................80
     Section 8.03          Exculpatory Provisions...............................................................80
     Section 8.04          Reliance by Administrative Agent.....................................................81
     Section 8.05          Delegation of Duties.................................................................81
     Section 8.06          Successor Administrative Agent and Issuing Lender....................................82
     Section 8.07          Non-Reliance on Administrative Agent and Other Lenders...............................82
     Section 8.08          No Other Duties, etc.................................................................83
     Section 8.09          Collateral Matters...................................................................83


ARTICLE IX            MISCELLANEOUS.............................................................................84

     Section 9.01          Amendments, Etc......................................................................84
     Section 9.02          Notices, Etc.........................................................................84
     Section 9.03          No Waiver; Cumulative Remedies.......................................................86
     Section 9.04          Costs and Expenses...................................................................86
     Section 9.05          Indemnification......................................................................87
     Section 9.06          Reimbursement by Lenders.............................................................87
     Section 9.07          Waiver of Damages....................................................................88
     Section 9.08          Successors and Assigns...............................................................88
     Section 9.09          Confidentiality......................................................................91
     Section 9.10          Counterparts; Effectiveness..........................................................91
     Section 9.11          Survival of Representations, etc.....................................................91
     Section 9.12          Severability.........................................................................92
     Section 9.13          Interest Rate Limitation.............................................................92
     Section 9.14          Governing Law........................................................................92
     Section 9.15          Submission to Jurisdiction; Waiver of Venue; Service of Process......................92
     Section 9.16          Waiver of Jury Trial.................................................................93
     Section 9.17          USA Patriot Act......................................................................93
     Section 9.18          Restatement..........................................................................93
     Section 9.19          Intercreditor Agreement..............................................................94
     Section 9.20          Integration..........................................................................94



                                  -iii-


EXHIBITS:

         Exhibit A       -       Form of Assignment and Acceptance
         Exhibit B       -       Form of Compliance Certificate
         Exhibit C       -       Form of Guaranty
         Exhibit D       -       Form of Intercreditor Agreement
         Exhibit E       -       Form of Mortgage
         Exhibit F       -       Form of Note
         Exhibit G       -       Form of Notice of Borrowing
         Exhibit H       -       Form of Notice of Conversion or Continuation
         Exhibit I       -       Form of Pledge Agreement
         Exhibit J       -       Form of Security Agreement
         Exhibit K       -       Form of Transfer Letters

SCHEDULES:

         Schedule I        -        Addresses and Commitments
         Schedule 3.01(p)  -        Hydrocarbon Hedge Agreements
         Schedule 4.01     -        Subsidiaries
         Schedule 4.05     -        Existing Debt
         Schedule 4.07     -        Litigation
         Schedule 4.17     -        Gas Imbalances
         Schedule 4.21     -        Material Agreements
         Schedule 6.07     -        Affiliate Transactions

                                      -iv-



                      AMENDED AND RESTATED CREDIT AGREEMENT

         This Amended and Restated Credit Agreement dated as of January 31, 2008
is  among  ABRAXAS  ENERGY  PARTNERS,   L.P.,  a  Delaware  limited  partnership
("Borrower"),  the lenders party hereto from time to time as Lenders (as defined
below), and SOCIETE GENERALE,  as Administrative Agent (as defined below) and as
Issuing Lender (as defined below).

         A. The Borrower,  the Administrative Agent, the Issuing Lender, and the
Lenders  are  party  to the  Credit  Agreement  dated  as of May 25,  2007  (the
"Existing Agreement"), among the Borrower, the Lenders, and Societe Generale, as
Administrative  Agent (as defined  therein and in such  capacity,  the "Existing
Administrative Agent") and as Issuing Lender (as defined therein).

         B. In order to secure the full and punctual  payment and performance of
the obligations  under the Existing  Agreement,  the Borrower and the Guarantors
(as defined in the Existing  Agreement)  have executed and delivered  mortgages,
deeds of trust, collateral assignments,  security agreements,  pledge agreements
and financing  statements and other similar  agreements and instruments in favor
of the Existing  Administrative  Agent (or in favor of any  predecessors in such
capacity) (collectively,  the "Existing Security Documents") granting a mortgage
lien and continuing security interest in and to the collateral described in such
Existing Security Documents.

         C. The Borrower,  the Administrative Agent, the Issuing Lender, and the
Lenders  party hereto desire to (i) amend and restate (but not  extinguish)  the
Existing  Agreement  in its  entirety  as  hereinafter  set  forth  through  the
execution  of this  Agreement  and (ii)  have the  obligations  of the  Borrower
hereunder  continue to be secured by the liens and  security  interests  created
under the Existing Security Documents.

         D. It is the intention of the parties  hereto that this Agreement is an
amendment  and  restatement  of  the  Existing  Agreement,  and  is not a new or
substitute credit agreement or novation of the Existing Agreement.

         NOW,  THEREFORE,  in  consideration of the premises and the agreements,
provisions and covenants  herein  contained,  the Borrower,  the  Administrative
Agent, the Issuing Lender, and the Lenders (i) do hereby agree that the Existing
Agreement is amended and restated (but not substituted or  extinguished)  in its
entirety as set forth herein, and (ii) do hereby further agree as follows:

                                   ARTICLE I
                        DEFINITIONS AND ACCOUNTING TERMS

         Section 1.01 Certain Defined Terms. As used in this Agreement, the term
defined above shall have the meaning set forth  therein and the following  terms
shall have the following meanings:

         "APC" means Abraxas Petroleum Corporation, a Nevada corporation.

                                       1


         "Acceptable  Security  Interest" in any Property means a Lien which (a)
exists in favor of the  Administrative  Agent  for the  benefit  of the  Secured
Parties,  (b) is  superior  to all Liens or  rights  of any other  Person in the
Property  encumbered thereby other than Permitted Subject Liens, (c) secures the
Obligations, and (d) is perfected and enforceable.

         "Acquisition"  means  the  purchase  by  the  Borrower  or  any  of its
Subsidiaries  of any business,  including  the purchase of associated  assets or
operations or of stock (or other ownership interests) of a Person.

         "Acquisition  Assets" means the assets and other Property being sold by
the Sellers and being acquired by the Borrower pursuant to the Purchase and Sale
Agreement.

         "Act" is defined in Section 9.17.

         "Adjusted  Reference Rate" means, for any day, the fluctuating rate per
annum of interest  equal to the greater of (a) the  Reference  Rate in effect on
such day and (b) the Federal Funds Rate in effect on such day plus 1/2 of 1%.

         "Administrative Agent" means Societe Generale, in its capacity as agent
pursuant to Article VIII, and any successor agent pursuant to Section 8.06.

         "Administrative Questionnaire" means an administrative questionnaire in
a form supplied by the Administrative Agent.

         "Advance"  means an advance  by a Lender to the  Borrower  pursuant  to
Section 2.01(a) as part of a Borrowing and refers to a Reference Rate Advance or
a Eurodollar Rate Advance.

         "Affiliate"  means, with respect to a specified Person,  another Person
that directly, or indirectly through one or more intermediaries,  Controls or is
Controlled by or is under common Control with the Person specified.

         "Agreement"  means this Amended and Restated Credit  Agreement,  as the
same may be amended, supplemented,  restated, extended, substituted,  increased,
replaced, renewed, refinanced or otherwise modified from time to time.

         "Applicable  Lending Office" means (a) with respect to any Lender,  the
office,  branch,  subsidiary,  affiliate  or  correspondent  bank of such Lender
specified in its  Administrative  Questionnaire  or such other  office,  branch,
subsidiary, affiliate or correspondent bank as such Lender may from time to time
specify to the Borrower and the  Administrative  Agent from time to time and (b)
with respect to the Administrative  Agent, the address specified for such Person
on  Schedule I or to such  other  address,  facsimile  number,  electronic  mail
address or telephone  number as shall be designated by such party in a notice to
the other parties.

         "Applicable Margin" means, with respect to any Advance, (a) during such
times as any Event of Default  exists,  3% per annum plus the rate per annum set
forth  below  for the  relevant  Type  of  such  Advance  based  on the  present
Utilization  applicable from time to time, and (b) at all other times,  the rate
per annum set forth below for the  relevant  Type of such  Advance  based on the
relevant Utilization applicable from time to time. The Applicable Margin for any


                                       2


Advance shall change when and as the relevant  Utilization  changes and when and
as any such Event of Default commences or terminates.



- ----------------------------------------------- ----------------------------------- -------------------------------
                 Utilization                         Eurodollar Rate Advances             Base Rate Advances
- ----------------------------------------------- ----------------------------------- -------------------------------
                                                                                          
          Less than or equal to 25%                           1.25%                             0.25%
- ----------------------------------------------- ----------------------------------- -------------------------------
      Greater than 25% but less than 50%                      1.50%                             0.50%
- ----------------------------------------------- ----------------------------------- -------------------------------
  Equal to or greater than 50% but less than                  1.75%                             0.75%
- ----------------------------------------------- ----------------------------------- -------------------------------
         Equal to or greater than 75%                         2.00%                             1.00%
- ----------------------------------------------- ----------------------------------- -------------------------------


         "Approved Fund" means any Fund that is administered or managed by (a) a
Lender,  (b) an  Affiliate  of a Lender or (c) an entity or an  Affiliate  of an
entity that administers or manages a Lender.

         "Assignment and Acceptance" means an assignment and acceptance  entered
into by a Lender and an Eligible  Assignee,  and accepted by the  Administrative
Agent,  in  substantially  the form of the attached  Exhibit A or any other form
approved by the Administrative Agent.

         "Available Cash" means, with respect to any fiscal quarter:

         (a) the sum of (i) all cash and cash  equivalents  of the  Borrower  on
hand (other than Cash  Security) at the end of such fiscal  quarter and (ii) all
additional  cash and cash  equivalents the Borrower has on hand (other than Cash
Security) on the date of  determination  of Available  Cash with respect to such
fiscal quarter resulting from working capital  borrowings made subsequent to the
end of such fiscal quarter, less

         (b) the  amount  of all  cash  reserves  established  by the  board  of
managers of, or the equivalent  governing body of, the General  Partner in their
reasonable  discretion to (i) provide for the proper  conduct of the business of
the Borrower and its Subsidiaries (including reserves for future maintenance and
capital expenditures  including drilling and for anticipated future credit needs
of the Borrower and its Subsidiaries, if necessary), (ii) comply with applicable
law or any loan  agreement,  security  agreement,  mortgage,  debt instrument or
other agreement or obligation to which the Borrower or any Subsidiary is a party
or bound by which it is bound or its assets are subject, and (iii) provide funds
for Restricted  Payments with respect to any one or more of the next four fiscal
quarters.

         "Borrower" shall have the meaning set forth in the preamble hereof.

         "Borrowing"  means,  subject  to  Section   2.03(c)(ii),   a  borrowing
consisting  of  simultaneous  Advances  of the  same  Type  made by each  Lender
pursuant  to Section  2.03(a),  continued  by each  Lender  pursuant  to Section
2.03(b), or Converted by each Lender to Advances of a different Type pursuant to
Section 2.03(b).

         "Borrowing  Base"  means at any  particular  time,  the  Dollar  amount
determined  in  accordance  with  Section 2.02 (and  adjusted  from time to time
pursuant  to Section  2.02 or  Section  6.04(b))  on account of Proven  Reserves


                                       3


attributable to Oil and Gas Properties of the Borrower and its Subsidiaries, and
to the extent required herein,  subject to an Acceptable Security Interest,  and
described  in  the  most  recent  Independent  Engineering  Report  or  Internal
Engineering Report, as applicable, delivered to the Administrative Agent and the
Lenders pursuant to Section 2.02.

         "Borrowing  Base  Deficiency"  means the amount by which the  aggregate
outstanding  amount of the Advances plus the Letter of Credit  Exposure  exceeds
the lesser of (x) the Borrowing Base and (y) the aggregate Commitments.

         "Business  Day" means a day of the year on which banks are not required
or authorized  to close in Houston,  Texas and New York,  New York,  and, if the
applicable  Business  Day  relates to any  Eurodollar  Rate  Advances,  on which
dealings are carried on by banks in the London interbank market.

         "Capital  Leases"  means,  as applied to any  Person,  any lease of any
Property by such Person as lessee  which  would,  in  accordance  with GAAP,  be
required to be  classified  and  accounted for as a capital lease on the balance
sheet of such Person.

         "Cash  Collateral  Account"  means  a  special  interest  bearing  cash
collateral account pledged by the Borrower to the Issuing Lender containing cash
deposited  pursuant to Sections  2.05(b),  7.02(b),  or 7.03(b) to be maintained
with the Issuing Lender in accordance  with Section 2.07(g) and bear interest or
be invested in the Issuing Lender's reasonable discretion.

         "Cash  Security"  means  (a) all  cash and  cash  equivalents  securing
obligations of Borrower or any Subsidiary,  including  obligations under Hedging
Contracts  and  obligations  with  respect to  letters  of credit but  excluding
Obligations,  and (b) all cash and cash  equivalents held in the Cash Collateral
Account.

         "CERCLA" means the Comprehensive Environmental Response,  Compensation,
and Liability Act of 1980, as amended,  state and local  analogs,  and all rules
and regulations and requirements  thereunder in each case as now or hereafter in
effect.

         "Change in Control"  shall mean the  occurrence of any of the following
events:

         (a) the occurrence of any transaction,  the result of which is that (i)
the General  Partner is no longer the sole general  partner of the Borrower,  or
(ii) the Borrower  ceases to own,  either  directly or  indirectly,  100% of the
Equity Interest in any Subsidiary;

         (b) any  "person" or "group" (as such terms are used in Sections  13(d)
and 14(d) of the  Exchange  Act)  other  than a  Permitted  Holder  becomes  the
"beneficial  owner" (as defined in Rules 13d-3 and 13d-5 under the Exchange Act,
except that a person or group shall be deemed to have "beneficial  ownership" of
all  securities  that such person or group has the right to acquire (such right,
an "option right"),  whether such right is exercisable immediately or only after
the  passage  of time),  directly  or  indirectly,  of 25% or more of the Equity
Interest of the Borrower;  provided, that a "group of persons" shall not include
the  underwriter  in any firm  underwriting  undertaken in  connection  with any
public offering of the Borrower; or

                                       4


         (c) during  any  period of 12  consecutive  months,  a majority  of the
members  of the board of  managers  or other  equivalent  governing  body of the
General Partner cease to be composed of individuals (i) who were members of that
board or equivalent  governing body on the first day of such period,  (ii) whose
election or nomination to that board or equivalent  governing  body was approved
by individuals  referred to in clause (i) above constituting at the time of such
election or nomination at least a majority of that board or equivalent governing
body or (iii) whose  election or  nomination  to that board or other  equivalent
governing body was approved by  individuals  referred to in clauses (i) and (ii)
above  constituting  at the  time of such  election  or  nomination  at  least a
majority of that board or equivalent governing body.

         "Change in Law" means the occurrence, after the date of this Agreement,
of any of the  following:  (a) the adoption or taking  effect of any law,  rule,
regulation or treaty,  (b) any change in any law, rule,  regulation or treaty or
in the administration, interpretation or application thereof by any Governmental
Authority or (c) the making or issuance of any  request,  guideline or directive
(whether or not having the force of law) with regard to any law,  regulation  or
treaty by any Governmental Authority.

         "Closing Date" means the date on which all of the conditions in Section
3.01 have been met or waived in writing as permitted herein.

         "Closing Date Acquisition" means the acquisition by the Borrower of the
Acquisition Assets pursuant to the Purchase and Sale Agreement.

         "Closing Date Acquisition Instruments" means, collectively, the
Purchase and Sale Agreement and all other documents executed and delivered by
the Sellers and the Borrower in connection with the Closing Date Acquisition.

         "Code" means the Internal  Revenue  Code of 1986,  as amended,  and any
successor statute.

         "Collateral"  means  (a) all  "Collateral",  "Pledged  Collateral"  and
"Mortgaged  Properties"  (as  defined  in each of the  Mortgages,  the  Security
Agreements,  and the Pledge  Agreement,  as applicable) or similar terms used in
the Security  Instruments,  and (b) all amounts  contained in the Borrower's and
its Subsidiaries' bank accounts.

         "Commitment"  means,  for any  Lender,  the  amount set  opposite  such
Lender's name on the Schedule I as its Commitment, or if such Lender has entered
into  any  Assignment  and  Acceptance,  as set  forth  for such  Lender  as its
Commitment in the Register  maintained by the  Administrative  Agent pursuant to
Section 9.08(c), as such amount may be reduced or terminated pursuant to Section
2.04 or Article VII or otherwise under this Agreement. The initial amount of the
aggregate Commitments is $300,000,000.

         "Commitment Fee Rate" means the per annum commitment fee rate set forth
below and  applicable  from time to time.  The  Commitment Fee Rate shall change
when and as the relevant Utilization changes.

                                       5


- ------------------------------------------------------- ------------------------
                          Utilization                               Rate
- ------------------------------------------------------- ------------------------
                   Less than or equal to 25%                       0.300%
- ------------------------------------------------------- ------------------------
               Greater than 25% but less than 50%                  0.375%
- ------------------------------------------------------- ------------------------
        Equal to or greater than 50% but less than 75%.            0.375%
- ------------------------------------------------------- ------------------------
                  Equal to or greater than 75%                     0.500%
- ------------------------------------------------------- ------------------------


         "Commitment  Termination  Date" means the  earlier of (a) the  Maturity
Date and (b) the earlier  termination  in whole of the  Commitments  pursuant to
Section 2.04 or Article VII.

         "Company Group" shall mean Borrower,  General Partner and each of their
respective Subsidiaries.

         "Compliance  Certificate" means a compliance certificate in the form of
the attached Exhibit B signed by a Responsible Officer of the Borrower.

         "Contribution  Agreement" means that certain  Contribution,  Conveyance
and Assumption  Agreement,  dated as of May 25, 2007,  entered into by and among
APC, the General Partner, the Borrower, Abraxas Energy Investments, LLC, a Texas
limited liability company,  and the Operating Company,  as amended in accordance
with the terms hereof.

         "Control" means the possession, directly or indirectly, of the power to
direct or cause the direction of the management or policies of a Person, whether
through  the  ability to  exercise  voting  power,  by  contract  or  otherwise.
"Controls",  "Controlled  by",  "Controlling"  and  "Controlled"  have  meanings
correlative thereto.  Without limiting the generality of the foregoing, a Person
shall be  deemed  to be  Controlled  by  another  Person  if such  other  Person
possesses,  directly  or  indirectly,  the  power  to  vote  10% or  more of the
securities having ordinary voting power for the election of directors,  managing
general partners or the equivalent.

         "Controlled   Group"  means  all  members  of  a  controlled  group  of
corporations  and all  businesses  (whether or not  incorporated)  under  common
control  which,  together  with the Borrower,  are treated as a single  employer
under Section 414 of the Code.

         "Convert," "Conversion," and "Converted" each refers to a conversion of
Advances of one Type into Advances of another Type pursuant to Section 2.03(b).

         "Credit  Extensions"  means (a) an Advance made by any Lender,  and (b)
the  issuance,  increase  or  extension  of any Letter of Credit by the  Issuing
Lender.

         "Debt," for any Person, means without duplication:  (a) indebtedness of
such Person for borrowed  money;  (b)  obligations  of such Person  evidenced by
bonds, debentures,  notes or other similar instruments;  (c) obligations of such
Person to pay the  deferred  purchase  price of Property or services  (including
obligations  that are  non-recourse to the credit of such Person but are secured
by the  assets of such  Person,  but  excluding  trade  accounts  payable);  (d)
obligations of such Person as lessee under Capital  Leases;  (e)  obligations of
such Person under letters of credit and  agreements  relating to the issuance of
letters of credit or acceptance financing;  (f) obligations of such Person under


                                       6


any  Hedge  Contract;  (g)  obligations  of such  Person  owing  in  respect  of
redeemable  preferred stock or other  preferred  equity interest of such Person;
(h) any  obligations  of such Person owing in connection  with any volumetric or
production prepayments;  (i) obligations of such Person under direct or indirect
guaranties  in respect of, and  obligations  (contingent  or  otherwise) of such
Person to purchase  or  otherwise  acquire,  or  otherwise  to assure a creditor
against loss in respect of,  indebtedness  or obligations of others of the kinds
referred to in clauses (a) through (h) above; (j) indebtedness or obligations of
others of the kinds  referred  to in clauses (a) through (i) secured by any Lien
on or in respect of any Property of such Person; and (k) all liabilities of such
Person in respect of unfunded vested benefits under any Plan.

         "Default"  means (a) an Event of Default or (b) any event or  condition
which with notice or lapse of time or both would become an Event of Default.

         "Disposition"  means  a sale,  lease,  transfer,  assignment,  Farmout,
conveyance,  release, surrender, or other disposition of Property (including any
working interest,  overriding royalty interest,  production payment, net profits
interest,  royalty  interest,  or mineral fee  interest) in any  transaction  or
series of transactions.

         "Dollars" and "$" means lawful money of the United States of America.

         "EBITDA" means, for any period,  without duplication,  (a) consolidated
Net  Income  for such  period  plus (b) to the extent  deducted  in  determining
consolidated Net Income,  Interest Expense, taxes,  depreciation,  amortization,
depletion,  and other non-cash charges for such period  (including any provision
for the reduction in the carrying value of assets  (including  Hedge  Contracts)
recorded in accordance with GAAP and including  non-cash charges  resulting from
the requirements of SFAS 133 or 143 and any non-cash  expenses incurred pursuant
to SFAS 123R) for such period minus (c) all non-cash  items of income which were
included in determining such consolidated Net Income (including  non-cash income
resulting from the requirements of SFAS 133 or 143).

         "Eligible  Assignee" means (a) a Lender,  (b) an Affiliate of a Lender,
(c) an Approved  Fund,  (d) a commercial  bank  organized  under the laws of the
United  States,  or any state  thereof,  and  having  total  assets in excess of
$250,000,000 and approved by the Administrative  Agent and the Issuing Lender in
their sole discretion,  which approval shall not be unreasonably withheld, (e) a
commercial  bank organized under the laws of any other country which is a member
of the  Organization  for Economic  Cooperation  and  Development or a political
subdivision  of any such  country  and  which  has  total  assets  in  excess of
$250,000,000,  provided  that  such  bank is  acting  through a branch or agency
located in the United  States and such bank is  approved  by the  Administrative
Agent and the Issuing Lender in their sole discretion,  which approval shall not
be unreasonably  withheld,  (f) a finance company,  insurance company,  or other
financial  institution  or fund  that  is  engaged  in  making,  purchasing,  or
otherwise  investing in commercial loans or securities in the ordinary course of
its business and having (together with its Affiliates) total assets in excess of
$250,000,000 and approved by the Administrative  Agent and the Issuing Lender in
their sole discretion,  which approval shall not be unreasonably  withheld,  (g)
any  other  Person   (other  than  a  natural   person)   approved  by  (i)  the
Administrative  Agent and the  Issuing  Lender in their sole  discretion,  which
approval  shall not be  unreasonably  withheld  and (ii)  unless a  Default  has


                                       7


occurred and is  continuing at the time any  assignment is effected  pursuant to
this Agreement, the Borrower, which approval shall not be unreasonably withheld;
provided that  notwithstanding  the  foregoing,  "Eligible  Assignee"  shall not
include the Borrower or any Affiliate or Subsidiary of a Loan Party.

         "Engineering Report" means either an Independent  Engineering Report or
an Internal  Engineering  Report and  includes the Initial  Engineering  Reports
where applicable.

         "Environment" or  "Environmental"  shall have the meanings set forth in
42 U.S.C. 9601(8) (1988).

         "Environmental  Claim"  means any third party  (including  governmental
agencies and employees) action,  lawsuit,  claim,  demand,  regulatory action or
proceeding,  order,  decree,  consent agreement or notice of potential or actual
responsibility   or  violation   (including  claims  or  proceedings  under  the
Occupational Safety and Health Acts or similar laws or requirements  relating to
health  or safety  of  employees)  which  seeks to  impose  liability  under any
Environmental Law.

         "Environmental Law" means, as to the Borrower or its Subsidiaries,  all
Legal  Requirements  or common law  theories  applicable  to the Borrower or its
Subsidiaries  arising from,  relating to, or in connection with the Environment,
health, or safety,  including CERCLA, relating to (a) pollution,  contamination,
injury, destruction,  loss, protection,  cleanup,  reclamation or restoration of
the air, surface water, groundwater, land surface or subsurface strata, or other
natural  resources;  (b) solid,  gaseous or liquid waste generation,  treatment,
processing,    recycling,    reclamation,    cleanup,   storage,   disposal   or
transportation; (c) exposure to pollutants, contaminants, hazardous, infectious,
or toxic substances, materials or wastes; (d) the safety or health of employees;
or (e) the manufacture,  processing, handling,  transportation,  distribution in
commerce,  use,  storage  or  disposal  of  hazardous,   infectious,   or  toxic
substances, materials or wastes.

         "Environmental  Liability"  shall  mean all  liabilities,  obligations,
damages,  losses, claims, actions,  suits, judgments,  orders, fines, penalties,
fees,  expenses and costs (including  administrative  oversight  costs,  natural
resource  damages and  remediation  costs),  whether  contingent  or  otherwise,
arising  out of or  relating  to  (a)  compliance  or  non-compliance  with  any
Environmental Law, (b) the generation, use, handling,  transportation,  storage,
treatment or disposal of any Hazardous Materials,  (c) exposure to any Hazardous
Materials,  (d) the  Release of any  Hazardous  Materials  or (e) any  contract,
agreement or other consensual arrangement pursuant to which liability is assumed
or imposed with respect to any of the foregoing.

         "Environmental  Permit"  means any permit,  license,  order,  approval,
registration or other authorization under Environmental Law.

         "Equity  Interest"  means,  with  respect to any  Person,  any  shares,
interests, participation, or other equivalents (however designated) of corporate
stock,  membership  interests or partnership  interests (or any other  ownership
interests) of such Person.

         "Equity  Issuance" means any issuance of equity securities or any other
Equity Interests  (including any preferred equity  securities) by a Person other
than equity  securities  issued (i) to the Borrower or one of its  Subsidiaries,


                                       8


(ii) to APC, and (iii) pursuant to employee or director and officer stock option
or similar plans in the ordinary course of business.

         "Equity Issuance  Proceeds" means, with respect to any Equity Issuance,
all cash and cash equivalent  investments received by the Borrower or any of its
Subsidiaries  from such Equity  Issuance after payment of, or provision for, all
underwriter fees and expenses,  SEC and blue sky fees,  printing costs, fees and
expenses of  accountants,  lawyers and other  professional  advisors,  brokerage
commissions  and other  out-of-pocket  fees and  expenses  actually  incurred in
connection with such Equity Issuance.

         "ERISA" means the Employee  Retirement  Income Security Act of 1974, as
amended from time to time.

         "ERISA   Affiliate"   means  each  member  of  a  controlled  group  of
corporations  and all  businesses  (whether or not  incorporated)  under  common
control  which,  together  with the Borrower,  are treated as a single  employer
under Section 414 of the Code.

         "Eurocurrency  Liabilities"  has the  meaning  assigned to that term in
Regulation D of the Federal Reserve Board (or any successor),  as in effect from
time to time.

         "Eurodollar  Rate" means,  for the Interest  Period for each Eurodollar
Rate Advance comprising the same Borrowing, the interest rate per annum (rounded
upward to the  nearest  whole  multiple  of 1/100 of 1% per  annum) set forth on
Reuters  Reference LIBOR01 as the London Interbank Offered Rate, for deposits in
Dollars at 11:00 a.m. (London,  England time) two Business Days before the first
day of such  Interest  Period and for a period  equal to such  Interest  Period;
provided,  that, if no such quotation appears on the Reuters Reference  LIBOR01,
the  Eurodollar  Rate shall be an interest  rate per annum equal to the rate per
annum at which  deposits  in  Dollars  are  offered by the  principal  office of
Societe  Generale  in  London,  England to prime  banks in the London  interbank
market at 11:00 a.m.  (London,  England time) two Business Days before the first
day of such Interest Period in an amount  substantially  equal to the Eurodollar
Rate Advance to be maintained by the Lender that is the Administrative  Agent in
respect of such Borrowing and for a period equal to such Interest Period.

         "Eurodollar  Rate  Advance"  means an Advance  which bears  interest as
provided in Section 2.09(b).

         "Eurodollar  Rate  Reserve  Percentage"  of any Lender for the Interest
Period for any Eurodollar Rate Advance means the reserve  percentage  applicable
during such  Interest  Period (or if more than one such  percentage  shall be so
applicable,  the  daily  average  of such  percentages  for  those  days in such
Interest Period during which any such percentage  shall be so applicable)  under
regulations  issued  from  time  to  time  by  the  Federal  Reserve  Board  for
determining   the  maximum   reserve   requirement   (including  any  emergency,
supplemental,  or other  marginal  reserve  requirement)  for such  Lender  with
respect  to  liabilities  or  assets  consisting  of or  including  Eurocurrency
Liabilities having a term equal to such Interest Period.

         "Event of Default" has the meaning specified in Section 7.01.

         "Exchange Act" means the Securities Exchange Act of 1934, as amended.

                                       9


         "Excluded Taxes" means, with respect to the  Administrative  Agent, any
Lender,  the Issuing Lender or any other  recipient of any payment to be made by
or on account of any obligation of any Borrower hereunder,  (a) taxes imposed on
or measured by its overall net income  (however  denominated),  and franchise or
"margin" or similar  taxes imposed on it (in lieu of net income  taxes),  by the
jurisdiction (or any political subdivision thereof) under the laws of which such
recipient is organized  or in which its  principal  office is located or, in the
case of any Lender, in which its applicable  lending office is located,  (b) any
branch  profits taxes imposed by the United States of America or any similar tax
imposed by any other  jurisdiction  in which any  Borrower is located and (c) in
the case of a Foreign Lender (other than an assignee request by the Borrower and
any Lender party to this Agreement on the Closing  Date),  any  withholding  tax
that is  imposed  on amounts  payable  to such  Foreign  Lender at the time such
Foreign Lender becomes a party hereto (or designates a new lending office) or is
attributable  to such Foreign  Lender's  failure or  inability  (other than as a
result of a Change in Law) to comply with Section 2.14(e),  except to the extent
that such Foreign Lender (or its assignor,  if any) was entitled, at the time of
designation  of a new  lending  office (or  assignment),  to receive  additional
amounts  from any  Borrower  with  respect to such  withholding  tax pursuant to
Section  2.14(a).  Notwithstanding  anything to the  contrary  contained in this
definition,  "Excluded  Taxes" shall not include any  withholding tax imposed at
any time on payments  made by or on behalf of a Borrower  that is not a resident
of the United  States for tax  purposes to any Lender,  Administrative  Agent or
Issuing Lender hereunder or under any other Credit Document,  provided that such
Lender,  such  Administrative  Agent and such Issuing Lender shall have complied
with Section 2.14(e).

         "Existing  Letters of Credit"  means the  letters of credit  issued and
outstanding under the Existing Agreement.

         "Expiration Date" means, with respect to any Letter of Credit, the date
on which such Letter of Credit will expire or terminate in  accordance  with its
terms.

         "Farmout"  means an  arrangement  pursuant  to  agreement  whereby  the
owner(s) of one or more oil, gas and/or  mineral  lease or other oil and natural
gas  working  interest  with  respect to a property  from  which  production  of
Hydrocarbons is sought agrees to transfer or assign an interest in such property
to one or more Persons in exchange for (a)  drilling,  or  participating  in the
cost of the drilling of (or agreeing to do so) one or more wells, or undertaking
other  exploration or development  activity or participating in the cost of such
activity, to attempt to obtain production of Hydrocarbons from such property, or
(b) obtaining production of Hydrocarbons from such property, or participating in
the costs of such production.

         "Federal Funds Rate" means, for any period, a fluctuating interest rate
per annum equal for each day during such period to the  weighted  average of the
rates on  overnight  Federal  funds  transactions  with  members of the  Federal
Reserve System arranged by Federal funds brokers, as published for such day (or,
if such day is not a Business Day, for the immediately  preceding  Business Day)
by the Federal  Reserve  Bank of New York,  or, if such rate is not so published
for any day which is a Business Day, the average of the  quotations for any such
day on such transactions received by the Administrative Agent from three Federal
funds brokers of recognized standing selected by it.

                                       10


         "Federal  Reserve  Board"  means the Board of  Governors of the Federal
Reserve System or any of its successors.

         "Fee  Letter"  means that  certain fee letter  dated  December 20, 2007
among the  Borrower,  Societe  Generale,  and SG Americas  Securities,  LLC, and
amended by the  Amendment  to Fee Letter dated as of January 29, 2008 and as the
same may be further amended, modified or supplemented from time to time.

         "Financial  Statements"  means  the pro  forma  unaudited  consolidated
balance  sheet of the  Borrower as of the date of this  Agreement  after  giving
effect to the  consummation  of the Closing Date  Acquisition and the Borrowings
made  hereunder  on the Closing  Date,  and  including  the  certification  of a
Responsible  Officer of the  Borrower,  all  prepared  in  accordance  with GAAP
(except  for  the  absence  of  footnotes  and  adjustments  typically  made  at
year-end),  the copies of which have been delivered to the Administrative  Agent
and the Lenders.

         "Foreign Lender" means any Lender that is organized under the laws of a
jurisdiction other than that in which the Borrower is resident for tax purposes.
For  purposes  of this  definition,  the United  States of  America,  each State
thereof  and the  District of Columbia  shall be deemed to  constitute  a single
jurisdiction.

         "Fund" means any Person (other than a natural  person) that is (or will
be) engaged in making, purchasing,  holding or otherwise investing in commercial
loans and similar extensions of credit in the ordinary course of its business.

         "GAAP" means United States generally accepted accounting  principles as
in effect from time to time, applied on a basis consistent with the requirements
of Section 1.03.

         "Gas  Imbalance"  means (a) a sale or  utilization by Borrower or other
members of the  Company  Group of volumes of natural  gas in excess of its gross
working interest,  (b) receipt of volumes of natural gas into a gathering system
and  redelivery by Borrower or other members of the Company Group of a larger or
smaller volume of natural gas under the terms of the  applicable  transportation
agreement,  or (c)  delivery  to a  gathering  system of a volume of natural gas
produced by Borrower or a member of the Company  Group that is larger or smaller
than the volume of natural gas such gathering system  redelivers for the account
of Borrower or such member of the Company Group, as applicable.

         "General  Partner"  means  Abraxas  General  Partner,  LLC,  a Delaware
limited liability company.

         "Governmental  Authority"  means the government of the United States of
America or any other nation, or of any political  subdivision  thereof,  whether
state or local,  and any agency,  authority,  instrumentality,  regulatory body,
court, central bank or other entity exercising executive, legislative, judicial,
taxing,  regulatory  or  administrative  powers or functions of or pertaining to
government  (including any  supra-national  bodies such as the European Union or
the European Central Bank).

         "Guarantor" means each entity,  which may from time to time,  execute a
Guaranty  or a  supplement  to a  Guaranty,  including  each  Subsidiary  of the
Borrower and the General Partner.

                                       11


         "Guaranty" means a Guaranty in substantially the form of the attached
Exhibit C and executed by a Guarantor.

         "Hazardous  Substance" means the substances identified as such pursuant
to CERCLA  and those  regulated  under any other  Environmental  Law,  including
pollutants,   contaminants,   petroleum,   petroleum  products,   radionuclides,
radioactive materials, and medical and infectious waste.

         "Hazardous  Waste" means the  substances  regulated as such pursuant to
any Environmental Law.

         "Hedge  Contract" means (a) any and all rate swap  transactions,  basis
swaps,  credit derivative  transactions,  forward rate  transactions,  commodity
swaps,  commodity options,  forward commodity contracts,  equity or equity index
swaps or  options,  bond or bond price or bond index swaps or options or forward
bond or forward bond price or forward  bond index  transactions,  interest  rate
options,  forward  foreign  exchange  transactions,   cap  transactions,   floor
transactions,  collar transactions,  currency swap transactions,  cross-currency
rate swap transactions,  currency options, spot contracts,  or any other similar
transactions or any  combination of any of the foregoing  (including any options
to enter  into any of the  foregoing),  whether or not any such  transaction  is
governed by or subject to any master agreement, and (b) any and all transactions
of any kind, and the related  confirmations,  which are subject to the terms and
conditions  of, or governed  by, any form of master  agreement  published by the
International Swaps and Derivatives Association, Inc., any International Foreign
Exchange  Master  Agreement,  or any other  master  agreement  (any such  master
agreement, together with any related schedules, a "Master Agreement"), including
any such obligations or liabilities under any Master Agreement.

         "Hydrocarbon  Hedge  Agreement"  means a  Hedge  Contract  between  the
Borrower  or one of its  Subsidiaries  and any  financial  institution  or other
counterparty  which is intended to reduce or eliminate the risk of  fluctuations
in the price of Hydrocarbons.

         "Hydrocarbons"  means oil,  gas,  coal seam gas,  casinghead  gas, drip
gasoline,  natural gasoline,  condensate,  distillate,  and all other liquid and
gaseous hydrocarbons  produced or to be produced in conjunction therewith from a
well bore and all products,  by-products, and other substances derived therefrom
or the processing  thereof,  and all other  minerals and substances  produced in
conjunction with such substances,  including sulfur,  geothermal  steam,  water,
carbon dioxide,  helium, and any and all minerals,  ores, or substances of value
and the products and proceeds therefrom.

         "Indemnified Taxes" means Taxes other than Excluded Taxes.

         "Independent  Engineer"  means  DeGolyer and  MacNaughton  or any other
third party engineering firm acceptable to the Administrative  Agent in its sole
discretion.

                                       12


         "Independent  Engineering Report" means a report, in form and substance
satisfactory to the Administrative Agent and each of the Lenders, prepared by an
Independent Engineer, addressed to the Administrative Agent and the Lenders with
respect  to the Oil and  Gas  Properties  owned  by the  Borrower  or any of its
Subsidiaries (or to be acquired by the Borrower or any of its  Subsidiaries,  as
applicable)  which are, or are to be,  included  in the  Borrowing  Base,  which
report  shall (a)  specify the  location,  quantity,  and type of the  estimated
Proven  Reserves  attributable  to such Oil and Gas  Properties,  (b)  contain a
projection of the rate of production of such Oil and Gas Properties, (c) contain
an estimate of the net operating  revenues to be derived from the production and
sale of  Hydrocarbons  from such Proven Reserves based on product price and cost
escalation  assumptions  specified by the  Administrative  Agent and the Lenders
which are consistent with the Administrative  Agent's and the Lenders' customary
internal  standards and practices for valuing and redetermining the value of Oil
and  Gas  Properties  in  connection   with  reserve  based  oil  and  gas  loan
transactions,  and (d) contain such other information as is customarily obtained
from and provided in such reports or is  otherwise  reasonably  requested by the
Administrative Agent or any Lender.

         "Information " is defined in Section 9.09.

         "Initial  Acquisition"  means the  acquisition  of certain  Oil and Gas
Properties  by the Borrower and its  Subsidiaries  pursuant to the  Contribution
Agreement.

         "Initial Acquisition Instruments" means, collectively, the Contribution
Agreement,  the Omnibus  Agreement  and all other  documents,  instruments,  and
agreements  executed and delivered by the sellers and other parties named in the
Contribution  Agreement or the Borrower or any Guarantor in connection  with the
Initial Acquisition.

         "Initial  Engineering  Reports"  means,  collectively,  an  Independent
Engineering  Report  dated as of June 30,  2007 and the St.  Mary's  Engineering
Report, covering the Proven Reserves of the Loan Parties (after giving pro forma
effect to the Closing Date  Acquisition) and otherwise in form acceptable to the
Administrative Agent.

         "Intercompany Debt" means Debt incurred by one or more Loan Parties and
owing to any other Loan Party or Loan Parties.

         "Intercreditor  Agreement" means the  Intercreditor  and  Subordination
Agreement,  dated the date  hereof  and  substantially  in the form of Exhibit D
hereto,  executed and delivered by the  Administrative  Agent,  the Subordinated
Agent and the Loan Parties pursuant to the terms of this Agreement.

         "Interest  Expense"  means,  for  the  Borrower  and  its  consolidated
Subsidiaries  for any period,  total interest,  letter of credit fees, and other
fees and expenses incurred in connection with any Debt for such period,  whether
paid or accrued, including,  without limitation, all commissions,  discounts and
other fees and  charges  owed with  respect  to  letters of credit and  bankers'
acceptance financing, imputed interest under Capital Leases, and net costs under
Interest Hedge Agreements, all as determined in conformity with GAAP.

         "Interest Hedge  Agreement" means a Hedge Contract between the Borrower
or one of its Subsidiaries and one or more financial  institutions providing for
the  exchange of nominal  interest  obligations  between the  Borrower  and such
financial  institution  or the  cap of the  interest  rate  on any  Debt  of the
Borrower.

                                       13


         "Interest  Period" means,  for each Eurodollar Rate Advance  comprising
part of the same Borrowing, the period commencing on the date of such Eurodollar
Rate Advance or the date of the  Conversion of any Reference Rate Advance into a
Eurodollar Rate Advance and ending on the last day of the period selected by the
Borrower pursuant to the provisions below and Section 2.03 and, thereafter, each
subsequent  period  commencing  on the  last  day of the  immediately  preceding
Interest  Period  and  ending  on the last  day of the  period  selected  by the
Borrower pursuant to the provisions below and Section 2.03. The duration of each
such Interest Period shall be one, two,  three,  or six months,  in each case as
the Borrower may,  upon notice  received by the  Administrative  Agent not later
than 11:00 a.m. (New York time) on the third Business Day prior to the first day
of such Interest Period, select; provided, however, that:

         (a) the Borrower  may not select any  Interest  Period which ends after
the Commitment Termination Date;

         (b)  Interest  Periods   commencing  on  the  same  date  for  Advances
comprising part of the same Borrowing shall be of the same duration;

         (c) whenever the last day of any Interest  Period would otherwise occur
on a day other than a Business Day, the last day of such  Interest  Period shall
be extended to occur on the next succeeding  Business Day; provided that if such
extension  would cause the last day of such Interest Period to occur in the next
following  calendar  month,  the last day of such Interest Period shall occur on
the immediately preceding Business Day; and

         (d) any  Interest  Period  which  begins on the last  Business Day of a
calendar month (or on a day for which there is no numerically  corresponding day
in the calendar month at the end of such Interest  Period) shall end on the last
Business Day of the calendar  month in which it would have ended if there were a
numerically corresponding day in such calendar month.

         "Internal  Engineering  Report"  means a report,  in form and substance
satisfactory  to the  Administrative  Agent  and each  Lender,  prepared  by the
Borrower and  certified by a Responsible  Officer of the Borrower,  addressed to
the  Administrative  Agent  and  the  Lenders  with  respect  to the Oil and Gas
Properties  owned by the Borrower or any of its  Subsidiaries (or to be acquired
by the Borrower or any of its Subsidiaries,  as applicable) which are, or are to
be, included in the Borrowing Base, which report shall (a) specify the location,
quantity, and type of the estimated Proven Reserves attributable to such Oil and
Gas  Properties,  (b) contain a projection of the rate of production of such Oil
and Gas Properties,  (c) contain an estimate of the net operating revenues to be
derived from the production and sale of  Hydrocarbons  from such Proven Reserves
based  on  product  price  and  cost  escalation  assumptions  specified  by the
Administrative   Agent  and  the   Lenders   which  are   consistent   with  the
Administrative  Agent's  and  the  Lenders'  customary  internal  standards  and
practices for valuing and  redetermining  the value of Oil and Gas Properties in
connection  with reserve  based oil and gas loan  transactions,  and (d) contain
such other  information  as is  customarily  obtained  from and provided in such
reports or is otherwise  reasonably requested by the Administrative Agent or any
Lender.

         "Issuing  Lender" means  Societe  Generale in its capacity as issuer of
Letters of Credit  hereunder,  and any  successor  Issuing  Lender  pursuant  to
Section 8.06.

                                       14


         "Leases"  means all oil and gas leases,  oil,  gas and mineral  leases,
oil,  gas  and  casinghead  gas  leases,   wellbore  assignments  or  any  other
instruments,  agreements,  or conveyances  under and pursuant to which the owner
thereof has or obtains the right to enter upon lands and explore for, drill, and
develop such lands for the production of Hydrocarbons.

         "Legal  Requirement"  means,  as  to  any  Person,  any  law,  statute,
ordinance,  decree, requirement,  order, judgment, rule, regulation (or official
interpretation  of any of the  foregoing)  of,  and the terms of any  license or
permit issued by, any Governmental Authority, including Regulations D, T, U, and
X, which is applicable to such Person.

         "Lenders"  means  the  lenders  listed on the  signature  pages of this
Agreement and each Eligible Assignee that shall become a party to this Agreement
pursuant to Section 9.08.

         "Lender Hedging Obligations" means all obligations arising from time to
time under Hedge Contracts entered into from time to time between any Loan Party
and a counterparty  that is a Lender or an Affiliate of a Lender;  provided that
if such counterparty ceases to be a Lender hereunder or an Affiliate of a Lender
hereunder, Lender Hedging Obligations shall only include such obligations to the
extent arising from transactions  entered into at the time such counterparty was
a Lender hereunder or an Affiliate of a Lender hereunder.

         "Letter of Credit"  means,  individually,  any standby letter of credit
issued by the Issuing Lender for the account of the Borrower in connection  with
the Commitments and which is subject to this Agreement,  and "Letters of Credit"
means all such letters of credit collectively.

         "Letter of Credit Application" means the Issuing Lender's standard form
letter  of credit  application  for  standby  letters  of  credit  that has been
executed by the Borrower and accepted by the Issuing  Lender in connection  with
the issuance of a Letter of Credit.

         "Letter of Credit  Documents"  means all  Letters of Credit,  Letter of
Credit Applications, and agreements,  documents, and instruments entered into in
connection with or relating thereto.

         "Letter  of Credit  Exposure"  means,  at any time,  the sum of (a) the
aggregate undrawn maximum face amount of each Letter of Credit at such time plus
(b) the aggregate unpaid amount of all Reimbursement Obligations at such time.

         "Letter of Credit  Obligations"  means any  obligations of the Borrower
under this  Agreement in  connection  with the Letters of Credit,  including the
Reimbursement Obligations.

         "Lien" means any mortgage,  lien, pledge,  assignment,  charge, deed of
trust,  security interest,  hypothecation,  preference,  deposit  arrangement or
encumbrance  (or other type of  arrangement  having the practical  effect of the
foregoing) to secure or provide for the payment of any obligation of any Person,
whether  arising by  contract,  operation of law, or  otherwise  (including  the
interest of a vendor or lessor under any conditional  sale agreement,  synthetic
lease, Capital Lease, or other title retention agreement).

         "Liquid Investments" means:

                                       15


         (a) direct obligations of, or obligations the principal of and interest
on which are  unconditionally  guaranteed by, the United States  maturing within
270 days from the date of any acquisition thereof;

         (b) (i)  negotiable  or  nonnegotiable  certificates  of deposit,  time
deposits,  or other similar banking  arrangements  maturing within 270 days from
the date of  acquisition  thereof or which may be liquidated for the full amount
thereof without penalty or premium ("bank debt  securities"),  issued by (A) any
Lender (or any Affiliate of any Lender),  or (B) any other bank or trust company
so long as either  (i) such  certificate  of  deposit  is  pledged to secure the
Borrower's   or  any   Subsidiaries'   ordinary   course  of  business   bonding
requirements,  or (ii) the amount thereof is less than or equal to $100,000,  or
any other bank or trust  company,  if at the time of deposit or  purchase,  such
bank debt  securities  are rated A or A2 or better by either  Standard  & Poor's
Ratings Group or Moody's  Investors  Service,  Inc., and (ii)  commercial  paper
issued by (A) any  Lender  (or any  Affiliate  of any  Lender)  or (B) any other
Person if at the time of purchase such commercial  paper is rated at the highest
or the second  highest  credit rating given by either  Standard & Poor's Ratings
Group or Moody's Investors Service,  Inc., or upon the discontinuance of both of
such services,  such other nationally  recognized rating service or services, as
the case may be, as shall be  selected by the  Borrower  with the consent of the
Required Lenders;

         (c) deposits in money market funds investing exclusively in investments
described in clauses (a) and (b) above;

         (d) repurchase  agreements relating to investments described in clauses
(a) and (b) above with a market value at least equal to the  consideration  paid
in connection  therewith,  with any Person who regularly engages in the business
of entering into  repurchase  agreements and has a combined  capital and surplus
and  undivided  profit  of not  less  than  $500,000,000.00,  if at the  time of
entering into such agreement the debt securities of such Person are rated at the
highest or the second  highest  credit rating given by either  Standard & Poor's
Ratings Group or Moody's Investors Service, Inc.; and

         (e) such  other  instruments  (within  the  meaning of Article 9 of the
Uniform  Commercial  Code in effect in New York) or  investment  property as the
Borrower may request and the Administrative Agent may approve in writing.

         "Loan Documents" means this Agreement,  the Notes, the Letter of Credit
Documents, the Guaranties,  the Security Instruments,  any Hedge Contract with a
Swap Counterparty,  the Intercreditor Agreement, the Post-Closing Agreement, and
each other  agreement,  instrument,  or document  executed by the Borrower,  any
Guarantor,  or any of the  Borrower's  or a Guarantor's  Subsidiaries  or any of
their  officers at any time in connection  with this  Agreement or in connection
with any of the Obligations.

         "Loan Party" means the Borrower, the General Partner, or any Guarantor.

         "Material  Adverse  Change" means (a) a material  adverse change in the
business, assets (including the Oil and Gas Properties), condition (financial or
otherwise),  results of operations or prospects of the Borrower individually, or
the Company  Group,  taken as a whole,  since the Closing Date (but after giving
pro forma  effect to the Closing  Date  Acquisition)  or (b) a material  adverse


                                       16


effect on the  Borrower's,  individually,  or the  Company  Group's,  taken as a
whole,  ability to perform its obligations  under this Agreement,  any Note, any
Guaranty, or any other Loan Document.

         "Maturity Date" means January 31, 2013.

         "Maximum  Rate"  means the  maximum  nonusurious  interest  rate  under
applicable  law  (determined  under such laws after  giving  effect to any items
which are  required  by such laws to be  construed  as  interest  in making such
determination,  including  if  required  by such  laws,  certain  fees and other
costs).

         "Mortgage"  means the mortgage or deed of trust  executed by any one or
more of the Loan  Parties in favor of the  Administrative  Agent for the ratable
benefit of the Secured Parties in substantially the form of the attached Exhibit
E or such other form as may be requested by the Administrative  Agent,  together
with  any  assumptions  or  assignments  of the  obligations  thereunder  by the
Borrower, any Guarantor or any of their respective Subsidiaries.

         "Multiemployer Plan" means a "multiemployer plan" as defined in Section
4001(a)(3) of ERISA.

         "Net Income" means,  with respect to the Borrower and its  consolidated
Subsidiaries,  for any period,  the net income for such period after  taxes,  as
determined in accordance with GAAP, excluding, however, (a) extraordinary items,
including (i) any net non-cash gain or loss during such period  arising from the
sale, exchange,  retirement or other disposition of capital assets (such term to
include all fixed assets and all  securities)  other than in the ordinary course
of business,  and (ii) any write-up or write-down of assets,  including  without
limitation,  Oil and Gas Properties and Hedge Contracts,  and (b) the cumulative
effect of any change in GAAP.

         "Note" means a promissory note of the Borrower  payable to the order of
any  Lender in an  amount  not to  exceed  the  Commitment  of such  Lender,  in
substantially the form of the attached Exhibit F, evidencing indebtedness of the
Borrower to such Lender resulting from Advances owing to such Lender.

         "Notice of  Borrowing"  means a notice of  borrowing in the form of the
attached Exhibit G signed by a Responsible Officer of the Borrower.

         "Notice of Conversion or Continuation"  means a notice of conversion or
continuation  in the form of the  attached  Exhibit  H signed  by a  Responsible
Officer of the Borrower.

         "Obligations" means (a) all principal,  interest, fees, reimbursements,
indemnifications,  and other amounts  payable by the Borrower,  any Guarantor or
any of their respective  Subsidiaries to the  Administrative  Agent, the Issuing
Lender or the Lenders under the Loan Documents  (other than the Hedge  Contracts
with a Swap Counterparty),  including the Letter of Credit Obligations,  and (b)
all Lender Hedging Obligations.

         "Oil  and  Gas  Business"  means  (a)  the  acquisition,   exploration,
exploitation, development, operation and disposition of interests in Oil and Gas
Properties and Hydrocarbons, (b) the gathering, marketing, treating, processing,
storage,  selling and  transporting  of any  production  from such  interests or


                                       17


properties,  including the  marketing of  Hydrocarbons  obtained from  unrelated
Persons,  (c) any  business  relating  to or  arising  from  exploration  for or
development,  production,  treatment,  processing,  storage,  transportation  or
marketing of oil, gas and other  minerals and products  produced in  association
therewith,  (d) any business relating to oilfield sales and service, and (e) any
activity  that  is  ancillary  or  necessary  or  desirable  to  facilitate  the
activities described in clauses (a) through (d) of this definition.

         "Oil and Gas  Properties"  means fee mineral  interests,  term  mineral
interests,  Leases, subleases,  Farmouts,  royalties,  overriding royalties, net
profit interests, carried interests,  production payments, back-in interests and
reversionary  interests  and similar  mineral  interests,  and all unsevered and
unextracted  Hydrocarbons  in,  under,  or  attributable  to  such  oil  and gas
Properties and interests.

         "Omnibus  Agreement"  means the Omnibus  Agreement  dated May 25, 2007,
among APC, the General  Partner,  the  Operating  Company and the  Borrower,  as
amended in accordance with the terms hereof.

         "Operating  Company" means Abraxas  Operating,  LLC, a Delaware limited
liability company.

         "Other Taxes" means all present or future stamp or documentary taxes or
any other excise or property  taxes,  charges or similar levies arising from any
payment made  hereunder or under any other Loan Document or from the  execution,
delivery or enforcement  of, or otherwise with respect to, this Agreement or any
other Loan Document.

         "Participant" has the meaning assigned to such term in paragraph (d) of
Section 9.08.

         "PBGC" means the Pension  Benefit  Guaranty  Corporation  or any entity
succeeding to any or all of its functions under ERISA.

         "Permit" means any approval, certificate of occupancy, consent, waiver,
exemption,  variance, franchise, order, permit, authorization,  right or license
of or from any Governmental Authority, including an Environmental Permit.

         "Permitted  Holder" means any holder of Equity Interest in the Borrower
on the Closing Date.

         "Permitted Liens" is defined in Section 6.01.

         "Permitted  Subject Liens" means the Liens permitted  under  paragraphs
(c), (d), (e), (f), (g) and (i) of Section 6.01.

         "Person" (whether or not capitalized) means an individual, partnership,
corporation (including a business trust), joint stock company, limited liability
company, limited liability partnership, trust, unincorporated association, joint
venture or other entity, Governmental Authority or other entity.

                                       18


         "Plan" means an employee benefit plan (other than a Multiemployer Plan)
maintained for employees of the Borrower or any member of the  Controlled  Group
and  covered by Title IV of ERISA or subject to the  minimum  funding  standards
under Section 412 of the Code.

         "Pledge  Agreement" means a Pledge Agreement in substantially  the form
of the attached  Exhibit I, executed by the Borrower or any of its  Subsidiaries
or any of the  Guarantors  (other  than the  General  Partner),  if  applicable,
covering  the Equity  Interests  in the  Operating  Company  and each  direct or
indirect Subsidiary of Borrower or General Partner.

         "Post-Closing  Agreement" means the post-closing letter agreement dated
as of January 31, 2008 between the Borrower and the Administrative Agent.

         "Private  Placement"  means the  private  placement  of the general and
limited partnership Equity Interests of the Borrower to APC and such other third
parties pursuant to the terms of the Private Placement Agreement.

         "Private  Placement  Agreement" means the Purchase  Agreement among the
Borrower,  the General  Partner,  APC, the Operating  Company and the purchasers
named therein dated as of May 25, 2007  pursuant to which such  purchasers  have
purchased  the  Common  Units (as  described  therein)  of the  Borrower  for an
aggregate purchase price of  $100,000,117.28,  as amended in accordance with the
terms hereof.

         "Private  Placement   Documents"  means,   collectively,   the  Private
Placement Agreement, the Registration Rights Agreement, and all other documents,
instruments,  and agreements executed and delivered by the General Partner,  APC
or the purchasers  named in the Private  Placement  Agreement in connection with
the Private Placement or the Registration Rights Agreement.

         "Projections"  means,  for each of the fiscal years 2008, 2009 and 2010
during the term of this Agreement, Borrower's and the Company Group's forecasted
(a)  balance  sheets,  (b)  profit  and  loss  statements,  and  (c)  cash  flow
statements, based on good faith estimates and assumptions made by the management
of the General Partner on behalf of the Borrower.

         "Property"  of any Person means any property or assets  (whether  real,
personal, or mixed, tangible or intangible) of such Person.

         "Proven   Reserves"  means,  at  any  particular  time,  the  estimated
quantities of Hydrocarbons  which  geological and engineering  data  demonstrate
with  reasonable  certainty  to  be  recoverable  in  future  years  from  known
reservoirs  attributable to Oil and Gas Properties included or to be included in
the Borrowing Base under then existing economic and operating  conditions (i.e.,
prices and costs as of the date the estimate is made).

         "Pro Rata Share" means, with respect to any Lender, (a) with respect to
amounts  owing  under the  Commitments,  (i) if such  Commitments  have not been
canceled,  the ratio  (expressed as a percentage)  of such Lender's  uncancelled
Commitment at such time to the aggregate  uncancelled  Commitments at such time,
or  (ii) if the  aggregate  Commitments  have  been  terminated,  the  ratio  as
determined  pursuant  to the  preceding  clause  (i)  immediately  prior to such
termination or (b) with respect to amounts owing  generally under this Agreement
and the other Loan Documents, the ratio (expressed as a percentage) of aggregate


                                       19


Commitments  of such Lender to the aggregate  Commitments of all the Lenders (or
if such Commitments have been terminated,  the ratio (expressed as a percentage)
of Credit  Extensions  owing to such Lender to the aggregate  Credit  Extensions
owing to all such Lenders.

         "Purchase  and Sale  Agreement"  means the Purchase and Sale  Agreement
dated as of December 11, 2007 between the Sellers and Operating  Company,  as it
may be amended, supplemented or otherwise modified from time to time.

         "PV-10" means estimated future net revenue from Hydrocarbons discounted
at a rate of 10% per  annum,  before  income  taxes  and  with no  price or cost
escalation or  de-escalation  in accordance with  guidelines  promulgated by the
SEC.

         "Reference  Rate" means a fluctuating  interest rate per annum as shall
be in effect from time to time equal to the rate of interest publicly  announced
by Societe  Generale as its  reference  rate,  whether or not the  Borrower  has
notice thereof.

         "Reference  Rate  Advance"  means an Advance  which  bears  interest as
provided in Section 2.09(a).

         "Register" has the meaning set forth in paragraph (c) of Section 9.08.

         "Registration Rights Agreement" means the Registration Rights Agreement
dated as of May 25, 2007 among the Borrower and the purchasers named therein, as
amended by Amendment No. 1 to Registration Rights Agreement dated as of December
5, 2007 and as the same may be  further  amended  in  accordance  with the terms
hereof.

         "Regulations  D, T, U,  and X" mean  Regulations  D, T, U, and X of the
Federal  Reserve  Board,  as the same is from  time to time in  effect,  and all
official rulings and interpretations thereunder or thereof.

         "Reimbursement  Obligations"  means  all  of  the  obligations  of  the
Borrower to reimburse the Issuing  Lender for amounts paid by the Issuing Lender
under Letters of Credit as established by the Letter of Credit  Applications and
Section 2.07(d).

         "Related  Parties"  means,  with respect to any Person,  such  Person's
Affiliates and the partners, directors, officers, employees, agents and advisors
of such Person and of such Person's Affiliates.

         "Release" shall have the meaning set forth in CERCLA or under any other
Environmental Law.

         "Reportable Event" means a "reportable event" described in Section 4043
of ERISA and the regulations issued thereunder.

         "Required  Lenders" means, at any time, Lenders holding at least 66 2/3
% of the Commitments or, if the Commitments have been terminated or expired, the
outstanding  principal amount of the Advances and Letter of Credit Exposure with
the  aggregate   amount  of  each  Lender's   risk   participation   and  funded


                                       20


participation in Letter of Credit  Obligations being deemed to be "held" by such
Lender for purposes of this definition).

         "Response"  shall  have the  meaning  set  forth in CERCLA or under any
other Environmental Law.

         "Responsible  Officer"  means (a) with  respect to any Person that is a
corporation,  such Person's Chief Executive Officer,  President, Chief Financial
Officer,  or Vice  President,  (b) with  respect to any Person that is a limited
liability  company,  if such  Person  has  officers,  then such  Person's  Chief
Executive Officer, President, Chief Financial Officer, or Vice President, and if
such Person is managed by members,  then a Responsible  Officer of such Person's
managing member,  and if such Person is managed by managers,  then a manager (if
such manager is an individual) or a Responsible Officer of such manager (if such
manager is an  entity),  and (c) with  respect  to any Person  that is a general
partnership or a limited liability partnership,  the Responsible Officer of such
Person's general partner or partners.

         "Restricted  Payment" means, with respect to any Person, (a) any direct
or indirect  dividend or  distribution  (whether  in cash,  securities  or other
Property)  with respect to any Equity  Interests,  including  any payment of any
kind  or  character   (whether  in  cash,   securities  or  other  Property)  in
consideration  for or otherwise in  connection  with any  retirement,  purchase,
redemption or other  acquisition of any Equity  Interest of such Person,  or any
options,  warrants or rights to purchase or acquire any such Equity  Interest of
such  Person  or (b)  principal  or  interest  payments  (in cash,  Property  or
otherwise)  on,  or  redemptions  of,  subordinated  debt,  including,   without
limitation,  Subordinated  Debt,  of  such  Person;  provided,  that,  the  term
"Restricted  Payment"  shall not include any  dividend or  distribution  payable
solely in Equity  Interests of such Person or warrants,  options or other rights
to purchase such Equity Interests.

         "SEC" means the United States Securities and Exchange Commission.

         "Secured Parties" means the  Administrative  Agent, the Issuing Lender,
the Lenders, and the Persons that are owed Lender Hedging Obligations.

         "Security   Agreements"   means  the  Security   Agreements,   each  in
substantially the form of the attached Exhibit J, executed by the Borrower,  any
of its Subsidiaries, or any of the Guarantors.

         "Security Instruments" means, collectively:  (a) the Mortgages, (b) the
Transfer Letters,  (c) the Pledge Agreement,  (d) the Security  Agreements,  (e)
each other agreement,  instrument or document executed at any time in connection
with the Pledge Agreement,  the Security Agreements,  or the Mortgages, (f) each
agreement,   instrument  or  document  executed  in  connection  with  the  Cash
Collateral  Account,  and (g)  each  other  agreement,  instrument  or  document
executed at any time in connection with securing the Obligations.

         "Sellers"  means  St.  Mary  Land &  Exploration  Company,  a  Delaware
corporation,  Ralph H. Smith  Restated  Revocable  Trust dated  August 14, 1997,
Ralph H. Smith,  Trustee,  and the Kent J. Harrell Revocable Trust dated January
19, 1995, Kent J. Harrell, Trustee.

                                       21


         "Solvent"  means,  with  respect  to any  Person  as of the date of any
determination,  that on such  date (a) the fair  value of the  Property  of such
Person (both at fair  valuation and at present fair  saleable  value) is greater
than the total liabilities,  including contingent  liabilities,  of such Person,
(b) the  present  fair  saleable  value of the assets of such Person is not less
than the amount  that will be  required to pay the  probable  liability  of such
Person on its debts as they become absolute and matured, (c) such Person is able
to realize upon its assets and pay its debts and other  liabilities,  contingent
obligations,  and  other  commitments  as they  mature in the  normal  course of
business, (d) such Person does not intend to, and does not believe that it will,
incur debts or liabilities beyond such Person's ability to pay as such debts and
liabilities  mature,  and (e)  such  Person  is not  engaged  in  business  or a
transaction,  and is not about to engage in business or a transaction, for which
such Person's Property would constitute  unreasonably small capital after giving
due  consideration  to current and anticipated  future capital  requirements and
current and anticipated  future business conduct and the prevailing  practice in
the  industry  in which  such  Person is  engaged.  In  computing  the amount of
contingent  liabilities at any time, such  liabilities  shall be computed at the
amount  which,  in light of the facts and  circumstances  existing at such time,
represents  the amount  that can  reasonably  be expected to become an actual or
matured liability.

         "St. Mary's Engineering  Report" means the Internal  Engineering Report
that  evaluates as of December 1, 2007 the Oil and Gas Properties to be acquired
by the  Borrower  and  any of its  Subsidiaries  pursuant  to the  Closing  Date
Acquisition.

         "Subordinated  Agent" means Societe Generale or such other Subordinated
Lender  serving  in  the  capacity  as  the  "administrative  agent"  under  the
Subordinated  Credit  Agreement to the extent  permitted under the  Subordinated
Credit Agreement and the Intercreditor Agreement.

         "Subordinated  Collateral"  means the  "Collateral"  as  defined in the
Subordinated Credit Agreement.

         "Subordinated Credit Agreement" means the Subordinated Credit Agreement
dated as of the date hereof between the Borrower, the Subordinated Agent and the
Subordinated Lenders, as amended, supplemented, restated, extended, substituted,
increased,  replaced,  renewed, refinanced or otherwise modified but only to the
extent permitted under the terms of the Intercreditor Agreement.

         "Subordinated   Debt"  means  the   "Obligations"  as  defined  in  the
Subordinated Credit Agreement.

         "Subordinated  Lender Hedging  Obligations"  means the "Lender  Hedging
Obligations" as defined in the Subordinated Credit Agreement.

         "Subordinated  Lenders"  means the  lenders  party to the  Subordinated
Credit Agreement from time to time.

         "Subordinated Loan Documents" means the Subordinated  Credit Agreement,
the promissory notes executed and delivered pursuant to the Subordinated  Credit
Agreement, the Intercreditor Agreement and each other agreement,  instrument, or


                                       22


document  executed by the  Borrower or any of its  Subsidiaries  or any of their
Responsible Officers in connection with the Subordinated Credit Agreement.

         "Subordinated Security Instruments" means the "Security Instruments" as
defined in the Subordinated Credit Agreement.

         "Subsidiary"  means,  with respect to any Person (the  "parent") at any
date, any other Person the accounts of which would be consolidated with those of
the parent in the parent's  consolidated  financial statements if such financial
statements were prepared in accordance with GAAP as of such date, as well as any
Person, a majority of whose outstanding Voting Securities (other than directors'
qualifying  shares)  shall at any time be  owned by such  parent  or one or more
Subsidiaries of such parent.  Unless otherwise specified,  all references herein
to  a  "Subsidiary"  or  to  "Subsidiaries"  shall  refer  to  a  Subsidiary  or
Subsidiaries of the Borrower.

         "Swap Counterparty" means any Lender (or Affiliate of a Lender) that is
party to any Hedge Contract with the Borrower or any other Loan Party.

         "Taxes" means all present or future  taxes,  levies,  imposts,  duties,
deductions,  withholdings,  assessments,  fees or other  charges  imposed by any
Governmental  Authority,  including any interest,  additions to tax or penalties
applicable thereto.

         "Termination  Event" means (a) a Reportable  Event described in Section
4043 of ERISA and the  regulations  issued  thereunder  (other than a Reportable
Event not  subject to the  provision  for  30-day  notice to the PBGC under such
regulations), (b) the withdrawal of the Borrower or any of its Affiliates from a
Plan during a plan year in which it was a  "substantial  employer" as defined in
Section 4001(a)(2) of ERISA, (c) the filing of a notice of intent to terminate a
Plan or the treatment of a Plan amendment as a termination under Section 4041 of
ERISA,  (d) the  institution  of proceedings to terminate a Plan by the PBGC, or
(e) any other event or condition which constitutes grounds under Section 4042 of
ERISA for the termination of, or the appointment of a trustee to administer, any
Plan.

         "Transfer Letters" means, collectively, the letters in lieu of transfer
orders in  substantially  the form of the attached Exhibit K and executed by the
Borrower,  any  Guarantor or any of their  respective  Subsidiaries  executing a
Mortgage.

         "Type" has the meaning set forth in Section 1.04.

         "Unused Commitment Amount" means, with respect to a Lender at any time,
the lesser of (a) such  Lender's  Commitment  at such time and (b) such Lender's
Pro Rata Share of the Borrowing Base then in effect at such time minus,  in each
case the sum of (i) the aggregate  outstanding  principal amount of all Advances
owed to such Lender at such time plus (ii) such  Lender's  Pro Rata Share of the
aggregate Letter of Credit Exposure at such time.

         "Utilization"  means  the  percentage  obtained  by  dividing  (a)  the
outstanding  principal  amount of the Advances and the Letter of Credit Exposure
at such time by (b) the  lesser of (i) the  Commitments  and (ii) the  Borrowing
Base in effect at such time.

                                       23


         "Voting   Securities"   means  (a)  with  respect  to  any  corporation
(including any unlimited liability  company),  capital stock of such corporation
having general voting power under ordinary  circumstances  to elect directors of
such  corporation  (irrespective of whether at the time stock of any other class
or classes shall have or might have special  voting power or rights by reason of
the  happening of any  contingency),  (b) with respect to any  partnership,  any
partnership  interest or other ownership interest having general voting power to
elect the  general  partner  or other  management  of the  partnership  or other
Person,  and (c) with  respect  to any  limited  liability  company,  membership
certificates   or  interests   having   general   voting  power  under  ordinary
circumstances to elect managers of such limited liability company.

         Section 1.02  Computation  of Time  Periods.  In this  Agreement,  with
respect to the  computation  of periods of time from a specified date to a later
specified  date,  the word "from" means "from and  including" and the words "to"
and "until" each means "to but excluding".

         Section 1.03  Accounting  Terms;  Changes in GAAP.  Except as otherwise
expressly   provided   herein,   all  accounting  terms  used  herein  shall  be
interpreted,  and all financial  statements and  certificates  and reports as to
financial  matters  required  to be  delivered  to the Lenders  hereunder  shall
(unless  otherwise  disclosed  to the Lenders in writing at the time of delivery
thereof) be prepared, in accordance with GAAP applied on a basis consistent with
those used in the preparation of the latest  financial  statements  furnished to
the  Lenders  hereunder  (which  prior to the  delivery  of the first  financial
statements  under  Section  5.06,  shall  mean the  Financial  Statements).  All
calculations made for the purposes of determining compliance with this Agreement
shall (except as otherwise  expressly provided herein) be made by application of
GAAP  applied on a basis  consistent  with that used in the  preparation  of the
annual or quarterly  financial  statements  furnished to the Lenders pursuant to
Section  5.06  most  recently  delivered  prior  to or  concurrently  with  such
calculations (or, prior to the delivery of the first financial  statements under
Section 5.06, used in the preparation of the Financial Statements). In addition,
all  calculations  and  defined  accounting  terms  used  herein  shall,  unless
expressly provided  otherwise,  when referring to any Person,  where applicable,
refer to such  Person  on a  consolidated  basis and mean  such  Person  and its
consolidated Subsidiaries.

         Section 1.04 Types of Advances.  Advances are  distinguished by "Type."
The "Type" of an Advance refers to the  determination  whether such Advance is a
Eurodollar Rate Advance or Reference Rate Advance.

         Section 1.05 Miscellaneous. The definitions of terms herein shall apply
equally to the  singular  and plural  forms of the terms  defined.  Whenever the
context may require,  any pronoun  shall  include the  corresponding  masculine,
feminine and neuter forms. The words "include," "includes" and "including" shall
be deemed to be followed  by the phrase  "without  limitation."  The word "will"
shall be  construed  to have the same  meaning  and effect as the word  "shall."
Unless the context requires  otherwise (a) any definition of or reference to any
agreement,  instrument or other document  herein shall be construed as referring
to such  agreement,  instrument or other  document as from time to time amended,
supplemented  or  otherwise  modified  (subject  to  any  restrictions  on  such
amendments,  supplements or modifications  set forth herein),  (b) any reference
herein to any Person shall be construed to include such Person's  successors and
assigns,  (c) the words "herein," "hereof" and "hereunder," and words of similar
import, shall be construed to refer to this Agreement in its entirety and not to


                                       24


any  particular  provision  hereof,  (d)  all  references  herein  to  Articles,
Sections,  paragraphs,  Exhibits  and  Schedules  shall be construed to refer to
Articles,  Sections and  paragraphs,  of, and Exhibits  and  Schedules  to, this
Agreement,  (e) any  reference to any law or  regulation  herein  shall,  unless
otherwise  specified,  refer to such law or regulation  as amended,  modified or
supplemented from time to time and (f) the words "asset" and "property" shall be
construed  to have  the  same  meaning  and  effect  and to refer to any and all
tangible and  intangible  assets and  properties,  including  cash,  securities,
accounts and contract rights.

                                   ARTICLE II
                                CREDIT FACILITIES

         Section 2.01 Commitment for Advances.

         (a) Advances. Each Lender severally agrees, on the terms and conditions
set forth in this Agreement  (including without limitation,  the terms set forth
in Section  3.01),  to make  Advances to the  Borrower  from time to time on any
Business  Day  during  the  period  from the date of this  Agreement  until  the
Commitment  Termination  Date in an amount for each  Lender  not to exceed  such
Lender's  Unused  Commitment  Amount.  Each  Borrowing  shall,  in the  case  of
Borrowings  consisting of Reference Rate Advances, be in an aggregate amount not
less than $250,000 and in integral multiples of $100,000 in excess thereof,  and
in the case of  Borrowings  consisting  of Eurodollar  Rate  Advances,  be in an
aggregate amount not less than $500,000 and in integral multiples of $100,000 in
excess thereof, and in each case shall consist of Advances of the same Type made
on  the  same  day  by  the  Lenders  ratably   according  to  their  respective
Commitments.  Within the limits of each Lender's Commitment,  and subject to the
terms of this Agreement,  the Borrower may from time to time borrow, prepay, and
reborrow Advances.

         (b)  Outstanding  Loans under  Existing  Agreement.  The parties hereto
acknowledge  and agree that,  effective as of the Closing Date, all  outstanding
Advances (as defined in the Existing Agreement) shall be automatically deemed to
be Advances outstanding under this Agreement.

         (c) Evidence of Debt.

              (i) The  Advances  made by each Lender  shall be  evidenced by the
records  maintained  by the  Administrative  Agent  in the  ordinary  course  of
business. The records maintained by the Administrative Agent shall be conclusive
absent  manifest  error of the amount of the Advances made by the Lenders to the
Borrower and the interest and payments thereon.  Any failure to so record or any
error in doing so shall not,  however,  limit or otherwise affect the obligation
of  the  Borrower  hereunder  to  pay  any  amount  owing  with  respect  to the
Obligations.  In the event of any  conflict  between  the  accounts  and records
maintained  by any Lender and the  accounts  and  records of the  Administrative
Agent in respect of such matters, the accounts and records of the Administrative
Agent shall  control in the absence of manifest  error.  Upon the request of any
Lender to Borrower made through the  Administrative  Agent,  the Borrower  shall
execute and deliver to such Lender  (through the  Administrative  Agent) a Note,
which, in addition to such records maintained by the Administrative Agent, shall
evidence  the  obligation  of the  Borrower to repay the  Advances  made by such
Lender to the Borrower.  Each Lender may attach  schedules to a Note and endorse


                                       25


thereon the date,  Type (if  applicable),  amount,  currency and maturity of its
Advances and payments with respect thereto, but such action or the failure to do
so shall not control over the records thereof  maintained by the  Administrative
Agent.

              (ii) In  addition  to the  accounts  and  records  referred  to in
subsection  (i),  each Lender and the  Administrative  Agent  shall  maintain in
accordance with its usual practice accounts or records  evidencing the purchases
and sales by such Lender of participations in Letters of Credit. In the event of
any conflict between the accounts and records  maintained by the  Administrative
Agent and the accounts and records of any Lender in respect of such matters, the
accounts and records of the Administrative Agent shall control in the absence of
manifest error.

         Section 2.02 Borrowing Base.

         (a) Borrowing Base. The initial Borrowing Base in effect as of the date
of this Agreement has been set by the  Administrative  Agent and the Lenders and
acknowledged by the Borrower as $140,000,000.  Such initial Borrowing Base shall
remain in effect until the next  redetermination  made  pursuant to this Section
2.02 or Section  6.04(b).  The Borrowing  Base shall be determined in accordance
with the  standards  set forth in Section  2.02(d)  and is  subject to  periodic
redetermination pursuant to Sections 2.02(b), 2.02(c) and 6.04(b).

         (b) Calculation of Borrowing Base.

              (i) The Borrower  shall  deliver to the  Administrative  Agent and
each of the  Lenders on or before  each  February  28th (or  February  29th,  as
applicable) of each year, an Independent  Engineering  Report dated effective as
of the immediately  preceding  December 31, and such other information as may be
reasonably  requested by any Lender with  respect to the Oil and Gas  Properties
included or to be included in the Borrowing Base;  provided that with respect to
the  February  29, 2008  redetermination,  the  Independent  Engineering  Report
delivered  pursuant to this Section  shall be  comprised  of (A) an  Independent
Engineering  Report dated  effective as of December 31, 2007 and delivered on or
before  February 29, 2008,  covering all of the Oil and Gas Properties  owned by
the Borrower or any of its Subsidiaries (other than those Oil and Gas Properties
acquired  pursuant  to the Closing  Date  Acquisition),  and (B) an  Independent
Engineering  Report dated effective as of a date on or before March 31, 2008 and
delivered  on or  before  April  30,  2008,  covering  all of the  Oil  and  Gas
Properties  acquired by the Borrower or any of its Subsidiaries  pursuant to the
Closing Date Acquisition,  in each case, together with such other information as
may be  reasonably  requested  by any  Lender  with  respect  to the Oil and Gas
Properties  included or to be included in the Borrowing Base. Within thirty (30)
days  after  receipt  of all  such  Engineering  Reports  and  information,  the
Administrative  Agent shall make an initial  determination  of the new Borrowing
Base and upon such initial  determination  shall promptly  notify the Lenders in
writing of its initial  determination of the proposed Borrowing Base. Subject to
the last sentence of this Section 2.02(b)(i), the Required Lenders shall approve
or reject the  Administrative  Agent's  initial  determinations  of the proposed
Borrowing Base by written notice to the Administrative Agent within fifteen (15)
days of the Administrative  Agent's notification of its initial  determinations;
provided,  however  that,  the  failure by any Lender to confirm in writing  the
Administrative  Agent's determination of the proposed Borrowing Base within such
fifteen (15) day period shall be deemed an approval of such  proposed  Borrowing
Base by such Lender.  If the Required  Lenders fail to approve any such proposed


                                       26


Borrowing Base determined by the Administrative  Agent hereunder in such fifteen
(15) day  period,  then the  Administrative  Agent  shall  poll the  Lenders  to
ascertain the highest  proposed  Borrowing Base then  acceptable to the Required
Lenders  for  purposes  of this  Section  2.02(b)(i)  and,  subject  to the last
sentence of this Section 2.02(b)(i), such amounts shall become the new Borrowing
Base,  effective on the date  specified in this Section  2.02(b)(i).  Until such
approval or deemed  approval,  the Borrowing  Base in effect before the proposed
Borrowing  Base shall remain in effect.  Upon  agreement  by the  Administrative
Agent and the Required  Lenders of the new Borrowing  Base,  the  Administrative
Agent shall,  by written  notice to the Borrower and the Lenders,  designate the
new  Borrowing  Base  available  to the  Borrower.  Such  designation  shall  be
effective  as of the Business  Day  specified in such written  notice (or, if no
effective  date is  specified  in such  written  notice,  the next  Business Day
following  delivery of such written  notice) and such new  Borrowing  Base shall
remain  in  effect  until  the  next  determination  or  redetermination  of the
Borrowing  Base in  accordance  with this  Agreement.  Notwithstanding  anything
contained herein to the contrary,  (A) any determination or  redetermination  of
the Borrowing  Base  resulting in any increase of the  Borrowing  Base in effect
immediately  prior to such  determination or  redetermination  shall require the
written  approval  (and not deemed  approval)  of all the  Lenders in their sole
discretion  but subject to  paragraph  (d) of this Section  2.02,  and (B) in no
event shall the determined or  redetermined  Borrowing Base exceed the aggregate
Commitments of the Lenders.

              (ii) The Borrower  shall deliver to the  Administrative  Agent and
each Lender on or before each August 31,  beginning August 31, 2008, an Internal
Engineering Report dated effective as of the immediately  preceding June 30, and
such other  information  as may be  reasonably  requested by the  Administrative
Agent or any Lender with respect to the Oil and Gas Properties included or to be
included in the  Borrowing  Base.  Within  thirty (30) days after receipt of all
such Engineering Report and information,  the Administrative Agent shall make an
initial   determination  of  the  new  Borrowing  Base  and  upon  such  initial
determination  shall  promptly  notify the  Lenders  in  writing of its  initial
determination  of the proposed  Borrowing Base.  Subject to the last sentence of
this Section  2.02(b)(ii),  the  Required  Lenders  shall  approve or reject the
Administrative  Agent's initial determinations of the proposed Borrowing Base by
written  notice to the  Administrative  Agent  within  fifteen  (15) days of the
Administrative  Agent's  notification of its initial  determinations;  provided,
however that, the failure by any Lender to confirm in writing the Administrative
Agent's  determination  of the proposed  Borrowing Base within such fifteen (15)
day period shall be deemed an approval of the such  proposed  Borrowing  Base by
such Lender. If the Required Lenders fail to approve any such proposed Borrowing
Base determined by the  Administrative  Agent hereunder in such fifteen (15) day
period,  then the  Administrative  Agent shall poll the Lenders to ascertain the
highest  proposed  Borrowing  Base then  acceptable to the Required  Lenders for
purposes of this Section  2.02(b)(ii)  and, subject to the last sentence of this
Section 2.02(b)(ii), such amounts shall become the new Borrowing Base, effective
on the date specified in this Section 2.02(b)(ii). Until such approval or deemed
approval,  the Borrowing Base in effect before the proposed Borrowing Base shall
remain in effect.  Upon agreement by the  Administrative  Agent and the Required
Lenders of the new Borrowing  Base, the  Administrative  Agent shall, by written
notice  to the  Borrower  and the  Lenders,  designate  the new  Borrowing  Base
available  to the  Borrower.  Such  designation  shall  be  effective  as of the
Business  Day  specified in such  written  notice (or, if no  effective  date is


                                       27


specified in such written  notice,  the next Business Day following  delivery of
such written  notice) and such new  Borrowing  Base shall remain in effect until
the next  determination or  redetermination  of the Borrowing Base in accordance
with this Agreement.  Notwithstanding anything contained herein to the contrary,
(A) any determination or  redetermination of the Borrowing Base resulting in any
increase of the Borrowing Base in effect immediately prior to such determination
or redetermination  shall require the written approval (and not deemed approval)
of all the Lenders in their sole discretion but subject to paragraph (d) of this
Section 2.02, and (B) in no event shall the determined or redetermined Borrowing
Base exceed the aggregate Commitments of the Lenders.

              (iii) In the  event  that the  Borrower  does not  furnish  to the
Administrative  Agent  and  the  Lenders  the  Independent  Engineering  Report,
Internal  Engineering  Report or other information  specified in clauses (i) and
(ii)  above by the date  specified  therein,  the  Administrative  Agent and the
Lenders may  nonetheless  redetermine  the Borrowing  Base and  redesignate  the
Borrowing Base from  time-to-time  thereafter in their sole discretion until the
Administrative   Agent  and  the  Lenders   receive  the  relevant   Independent
Engineering  Report,  Internal  Engineering  Report,  or other  information,  as
applicable, whereupon the Administrative Agent and the Lenders shall redetermine
the Borrowing Base as otherwise specified in this Section 2.02.

              (iv) Each delivery of an Engineering Report by the Borrower to the
Administrative  Agent and the Lenders  shall  constitute  a  representation  and
warranty by the  Borrower to the  Administrative  Agent and the Lenders that (A)
the Borrower and its Subsidiaries, as applicable, own the Oil and Gas Properties
specified therein subject to an Acceptable  Security Interest and free and clear
of any Liens  (except  Permitted  Liens),  and (B) on and as of the date of such
Engineering  Report each Oil and Gas Property  described  as "proved  developed"
therein was developed  for oil and/or gas, and the wells  pertaining to such Oil
and Gas Properties that are described therein as producing wells ("Wells"), were
each producing oil and/or gas in paying  quantities,  except for Wells that were
utilized  as  water  or  gas  injection   wells  or  as  water  disposal  wells.
Additionally,  the Borrower  shall deliver with each such  Engineering  Report a
list of any Proven  Reserves that have been sold or acquired by the Borrower and
its Subsidiaries  since the date of the last Engineering Report delivered to the
Administrative Agent; provided that such requirement shall not constitute nor be
construed as a consent to any sale or proposed  sale that would not be permitted
under the terms of this Agreement.

         (c)  Interim  Redetermination.   In  addition  to  the  Borrowing  Base
redeterminations  provided for in Section 2.02(b),  the Administrative Agent and
the Lenders may (i) in their sole discretion make one additional redetermination
of  the  Borrowing   Base  during  any  six-month   period   between   scheduled
redeterminations  and (ii) at the request of the  Borrower  make one  additional
redetermination  of the  Borrowing  Base  during any  six-month  period  between
scheduled  redeterminations,  and in any case,  based on such information as the
Administrative  Agent and the Lenders  deem  relevant  (but in  accordance  with
Section 2.02(d)).  Additionally,  the  Administrative  Agent and the Lenders may
request  (A) an  additional  redetermination  in  connection  with  any  sale or
proposed  sale  of  Oil  and  Gas  Properties  of  the  Borrower  or  any of its
Subsidiaries  having a market value that would,  when  aggregated with all other
such   sales   that   have  been   consummated   since  the  date  of  the  last
redetermination,  equal or exceed an amount  equal to 5% of the  Borrowing  Base
then in effect; provided that such request shall not constitute nor be construed


                                       28


as a consent to any sale or proposed sale that would not be permitted  under the
terms  of this  Agreement,  and  (B) an  additional  redetermination  if the net
aggregate amount of Gas Imbalances with respect to the Oil and Gas Properties of
the Borrower and its  Subsidiaries  exceeds at any time an amount equal to 1% of
the Proven Reserves that are categorized as "proved, developed and producing" on
the most recently delivered Engineering Report; provided that such request shall
not  constitute  nor be  construed as a consent to or a waiver of any Default or
Event of  Default  occurring  as a result of any such Gas  Imbalance.  The party
requesting  the  redetermination  shall give the other parties at least 10 days'
prior written  notice that a  redetermination  of the Borrowing Base pursuant to
this paragraph (c) is to be performed. In connection with any redetermination of
the Borrowing  Base under this Section  2.02(c),  the Borrower shall provide the
Administrative  Agent  and the  Lenders  with  such  information  regarding  the
Borrower and its Subsidiaries'  business  (including its Oil and Gas Properties,
the Proven  Reserves,  and production  relating  thereto) as the  Administrative
Agent or any Lender  may  request,  including,  without  limitation,  an updated
Independent  Engineering Report. The Administrative  Agent shall promptly notify
the Borrower in writing of each  redetermination  of the Borrowing Base pursuant
to this Section 2.02(c) and the amount of the Borrowing Base as so redetermined.

         (d)  Standards  for   Redetermination.   Each  redetermination  of  the
Borrowing  Base by the  Administrative  Agent and the  Lenders  pursuant to this
Section  2.02  shall be made (i) in the sole  discretion  of the  Administrative
Agent and the  Lenders  (but in  accordance  with the other  provisions  of this
Section  2.02(d)),  (ii) in accordance with the  Administrative  Agent's and the
Lenders'   customary   internal   standards   and   practices  for  valuing  and
redetermining  the value of Oil and Gas  Properties in  connection  with reserve
based oil and gas loan  transactions,  (iii) in conjunction with the most recent
Independent Engineering Report or Internal Engineering Report, as applicable, or
other information  received by the Administrative Agent and the Lenders relating
to the Proven Reserves of the Borrower and its Subsidiaries, and (iv) based upon
the  estimated  value  of the  Proven  Reserves  owned by the  Borrower  and its
Subsidiaries  as  determined  by the  Administrative  Agent and the Lenders.  In
valuing and redetermining the Borrowing Base, the  Administrative  Agent and the
Lenders  may  also  consider  the  business,   financial  condition,   and  Debt
obligations of the Borrower and its  Subsidiaries  and such other factors as the
Administrative  Agent and the  Lenders  customarily  deem  appropriate.  In that
regard,  the Borrower  acknowledges that the determination of the Borrowing Base
reflects  a loan  amount  to  market  value  percentage  differential  which  is
essential  for the  adequate  protection  of the  Administrative  Agent  and the
Lenders. No Proven Reserves shall be included or considered for inclusion in the
Borrowing  Base  unless  the  Administrative  Agent and the  Lenders  shall have
received, at the Borrower's expense,  evidence of title satisfactory in form and
substance to the Administrative  Agent that the Administrative Agent has, to the
extent required  hereunder,  an Acceptable  Security Interest in the Oil and Gas
Properties relating thereto pursuant to the Security  Instruments.  At all times
after  the  Administrative  Agent  has  given  the  Borrower  notification  of a
redetermination  of the Borrowing  Base under this Section  2.02,  the Borrowing
Base shall be equal to the redetermined  amount or such lesser amount designated
by the Borrower and  disclosed  in writing to the  Administrative  Agent and the
Lenders until the Borrowing Base is subsequently redetermined in accordance with
this Section 2.02.

         Section 2.03 Method of Borrowing.

                                       29


         (a)  Notice.  Each  Borrowing  shall be made  pursuant  to a Notice  of
Borrowing (or by telephone  notice promptly  confirmed in writing by a Notice of
Borrowing),  given not later than  11:00  a.m.  (New York time) (i) on the third
Business  Day  before  the  date of the  proposed  Borrowing,  in the  case of a
Borrowing  comprised of Eurodollar  Rate Advances or (ii) on the Business Day of
the proposed  Borrowing,  in the case of a Borrowing comprised of Reference Rate
Advances,  by the Borrower to the Administrative Agent, which shall in turn give
to each Lender  prompt  notice of such  proposed  Borrowing by  facsimile.  Each
Notice of Borrowing  shall be in writing (by facsimile or otherwise)  specifying
the information  required therein. In the case of a proposed Borrowing comprised
of Eurodollar Rate Advances, the Administrative Agent shall promptly notify each
Lender of the applicable interest rate under Section 2.09(b). Each Lender shall,
before 12:00 noon (New York time) on the date of such Borrowing,  make available
for the account of its Applicable Lending Office to the Administrative  Agent at
its  address  referred  to in  Section  9.02,  or  such  other  location  as the
Administrative Agent may specify by notice to the Lenders, in same day funds, in
the case of a Borrowing,  such Lender's Pro Rata Share of such Borrowing.  After
the  Administrative  Agent's  receipt of such funds and upon  fulfillment of the
applicable  conditions set forth in Article III, the Administrative  Agent shall
make such funds available to the Borrower at its account with the Administrative
Agent.

         (b) Conversions and Continuations. The Borrower may elect to Convert or
continue any  Borrowing  under this Section 2.03 by  delivering  an  irrevocable
Notice  of  Conversion  or  Continuation  to  the  Administrative  Agent  at the
Administrative  Agent's  office no later than 11:00 a.m.  (New York time) (i) on
the date  which is at least  three  Business  Days in  advance  of the  proposed
Conversion or continuation date in the case of a Conversion to or a continuation
of a Borrowing  comprised of  Eurodollar  Rate Advances and (ii) on the Business
Day of the  proposed  Conversion,  in the case of a  Conversion  to a  Borrowing
comprised  of  Reference  Rate  Advances.  Each  such  Notice of  Conversion  or
Continuation  shall be in writing (by  facsimile or  otherwise)  specifying  the
information  required therein.  Promptly after receipt of a Notice of Conversion
or Continuation under this Section,  the Administrative Agent shall provide each
Lender with a copy thereof and, in the case of a Conversion to or a continuation
of a Borrowing comprised of Eurodollar Rate Advances,  notify each Lender of the
applicable interest rate under Section 2.09(b).

         (c)  Certain  Limitations.  Notwithstanding  anything  to the  contrary
contained in paragraphs (a) and (b) above:

              (i) at no time  shall  there  be more  than six  Interest  Periods
applicable  to  outstanding  Eurodollar  Rate  Advances and the Borrower may not
select Eurodollar Rate Advances for any Borrowing at any time that a Default has
occurred and is continuing;

              (ii) if any Lender  shall,  at least one  Business  Day before the
date  of any  requested  Borrowing,  Conversion,  or  continuation,  notify  the
Administrative  Agent  that any  Change  in Law makes it  unlawful,  or that any
central bank or other  Governmental  Authority asserts that it is unlawful,  for
such Lender or its Applicable  Lending Office to perform its  obligations  under
this  Agreement  to  make  Eurodollar  Rate  Advances  or to  fund  or  maintain
Eurodollar  Rate Advances,  the right of the Borrower to select  Eurodollar Rate
Advances from such Lender shall be suspended  until such Lender shall notify the


                                       30


Administrative  Agent that the  circumstances  causing such suspension no longer
exist,  and the  Advance  made by such  Lender  in  respect  of such  Borrowing,
Conversion, or continuation shall be a Reference Rate Advance;

              (iii) if the  Administrative  Agent is  unable  to  determine  the
Eurodollar Rate for Eurodollar Rate Advances comprising any requested Borrowing,
the right of the Borrower to select  Eurodollar Rate Advances for such Borrowing
or for any  subsequent  Borrowing  shall be suspended  until the  Administrative
Agent shall notify the Borrower and the Lenders that the  circumstances  causing
such  suspension no longer exist,  and each Advance  comprising  such  Borrowing
shall be a Reference Rate Advance;

              (iv) if the  Required  Lenders  shall,  at least one  Business Day
before the date of any requested Borrowing, notify the Administrative Agent that
the Eurodollar Rate for Eurodollar Rate Advances  comprising such Borrowing will
not  adequately  reflect  the cost to such  Lenders of making or  funding  their
respective Eurodollar Rate Advances, as the case may be, for such Borrowing, the
right of the Borrower to select  Eurodollar  Rate Advances for such Borrowing or
for any subsequent  Borrowing shall be suspended until the Administrative  Agent
shall notify the Borrower  and the Lenders that the  circumstances  causing such
suspension no longer exist, and each Advance  comprising such Borrowing shall be
a Reference Rate Advance; and

              (v)  if  the  Borrower  shall  fail  to  select  the  duration  or
continuation  of any  Interest  Period  for  any  Eurodollar  Rate  Advances  in
accordance with the provisions  contained in the definition of "Interest Period"
in Section 1.01 and paragraph (b) of this Section 2.03, the Administrative Agent
shall  forthwith so notify the Borrower and the Lenders and such Advances  shall
be made  available  to the  Borrower on the date of such  Borrowing as Reference
Rate Advances or, if an existing Advance, Convert into Reference Rate Advances.

         (d)  Notices  Irrevocable.  Each  Notice  of  Borrowing  and  Notice of
Conversion or Continuation shall be irrevocable and binding on the Borrower.  In
the case of any Borrowing for which the related Notice of Borrowing specifies is
to be comprised of Eurodollar  Rate Advances,  the Borrower shall indemnify each
Lender against any loss,  out-of-pocket cost, or expense incurred by such Lender
as a result of any  failure  by the  Borrower  to  fulfill on or before the date
specified  in such  Notice  of  Borrowing  for  such  Borrowing  the  applicable
conditions  set forth in Article III including any loss  (including  any loss of
anticipated profits),  cost, or expense incurred by reason of the liquidation or
reemployment  of  deposits  or other  funds  acquired by such Lender to fund the
Advance to be made by such Lender as part of such  Borrowing  when such Advance,
as a result of such failure, is not made on such date.

         (e) Funding by Lenders; Presumption by Administrative Agent. Unless the
Administrative  Agent  shall have  received  notice  from a Lender  prior to the
proposed date of any Borrowing  that such Lender will not make  available to the
Administrative  Agent such Lender's share of such Borrowing,  the Administrative
Agent may assume that such Lender has made such share  available on such date in
accordance  with  paragraph  (a) of this Section 2.03 and may, in reliance  upon
such assumption,  make available to the Borrower a corresponding amount. In such
event,  if a Lender has not in fact made its share of the  applicable  Borrowing
available  to the  Administrative  Agent,  then the  applicable  Lender  and the
Borrower severally agree to pay to the Administrative  Agent forthwith on demand
such corresponding amount with interest thereon, for each day from and including


                                       31


the date such amount is made available to the Borrower to but excluding the date
of payment to the  Administrative  Agent,  at (i) in the case of a payment to be
made by such Lender, the greater of the Federal Funds Rate and a rate determined
by the  Administrative  Agent  in  accordance  with  banking  industry  rules on
interbank  compensation  and  (ii) in the  case of a  payment  to be made by the
Borrower,  the interest rate  applicable to Base Rate Advances.  If the Borrower
and such Lender shall pay such interest to the Administrative Agent for the same
or an overlapping  period, the Administrative  Agent shall promptly remit to the
Borrower the amount of such  interest  paid by the Borrower for such period.  If
such Lender pays its share of the  applicable  Borrowing  to the  Administrative
Agent,  then the amount so paid shall  constitute such Lender's Advance included
in such Borrowing. Any payment by the Borrower shall be without prejudice to any
claim the Borrower may have against a Lender that shall have failed to make such
payment to the Administrative Agent.

         (f) Lender Obligations  Several.  The failure of any Lender to make the
Advance to be made by it as part of any  Borrowing  shall not  relieve any other
Lender  of its  obligation,  if any,  to make  its  Advance  on the date of such
Borrowing. No Lender shall be responsible for the failure of any other Lender to
make the Advance to be made by such other Lender on the date of any Borrowing.

         Section 2.04 Reduction of the Commitments.

         (a) The  Borrower  shall have the right,  upon at least three  Business
Days' irrevocable notice to the  Administrative  Agent, to terminate in whole or
reduce ratably in part the unused portion of the  Commitments;  provided,  that,
each partial  reduction  shall be in the  aggregate  amount of  $5,000,000 or in
integral multiples of $1,000,000 in excess thereof.

         (b) Any reduction and termination of the  Commitments  pursuant to this
Section 2.04 shall be applied  ratably to each Lender's  Commitment and shall be
permanent, with no obligation of the Lenders to reinstate such Commitments.

         Section 2.05 Prepayment of Advances.

         (a)  Optional.  The Borrower may prepay the  Advances,  after giving by
11:00 a.m. (New York time):  (i) in the case of  Eurodollar  Rate  Advances,  at
least three Business Days' or (ii) in the case of Reference Rate Advances,  same
Business Day's,  irrevocable  prior written notice to the  Administrative  Agent
stating the proposed date and aggregate principal amount of such prepayment.  If
any such notice is given,  the  Borrower  shall  prepay the Advances in whole or
ratably in part in an aggregate  principal  amount equal to the amount specified
in such notice, together with accrued interest to the date of such prepayment on
the principal amount prepaid and amounts,  if any,  required to be paid pursuant
to  Section  2.12  as a  result  of such  prepayment  being  made on such  date;
provided, however, that each partial prepayment with respect to: (A) any amounts
prepaid in respect of Eurodollar  Rate  Advances  shall be applied to Eurodollar
Rate Advances comprising part of the same Borrowing; (B) any prepayments made in
respect of Reference Rate Advances shall be made in minimum  amounts of $250,000
and in integral multiples of $100,000 in excess thereof, and (C) any prepayments


                                       32


made in respect of any Borrowing  comprised of Eurodollar Rate Advances shall be
made in an  aggregate  principal  amount of at least  $500,000  and in  integral
multiples  of $100,000 in excess  thereof and in an aggregate  principal  amount
such that after  giving  effect  thereto such  Borrowing  shall have a remaining
principal  amount  outstanding  with  respect  to  such  Borrowing  of at  least
$100,000. Full prepayments of any Borrowing are permitted without restriction of
amounts.

         (b) Mandatory.

              (i) Borrowing Base Deficiency.  Subject to Section 2.05(b)(ii), if
a Borrowing Base  Deficiency  exists,  then after receipt of written notice from
the Administrative Agent regarding such deficiency, the Borrower shall,

                 (A) (1) within 3 Business  Days after the date such  deficiency
              notice is received by the  Borrower,  deliver a written  notice to
              the Administrative  Agent indicating its intent to prepay Advances
              or, if the Advances  have been repaid in full,  make deposits into
              the Cash  Collateral  Account to provide cash  collateral  for the
              Letter of Credit Exposure, such that the Borrowing Base Deficiency
              is cured,  and (2) make such payments and deposits  within 10 days
              after the date such deficiency notice is received by the Borrower;

                 (B) (1) within 3 Business  Days after the date such  deficiency
              notice is received by the  Borrower,  deliver a written  notice to
              the  Administrative  Agent  indicating  its  intent  to  pledge as
              Collateral for the  Obligations  additional Oil and Gas Properties
              acceptable to the Required  Lenders in their sole  discretion such
              that the Borrowing Base Deficiency is cured,  and (2) deliver such
              additional   Collateral   within  30  days  after  the  date  such
              deficiency notice is received by the Borrower;

                 (C) (1) within 3 Business  Days after the date such  deficiency
              notice is received by the  Borrower,  deliver a written  notice to
              the  Administrative  Agent  indicating the Borrower's  election to
              repay the  Advances  and make  deposits  into the Cash  Collateral
              Account to provide cash collateral for the Letters of Credit, each
              in six equal consecutive  monthly  installments equal to one-sixth
              of such Borrowing Base Deficiency with the first such  installment
              due 30 days after the date such  deficiency  notice is received by
              the  Borrower  from the  Administrative  Agent and each  following
              installment due 30 days after the preceding  installment due date,
              and (2) make such payments and deposits  within such time periods;
              or

                 (D) (1) within 3 Business  Days after the date such  deficiency
              notice is received by the  Borrower to the  Administrative  Agent,
              deliver a written notice to the  Administrative  Agent  indicating
              the Borrower's  election to combine the options provided in clause
              (B) and  clause (C) above,  and also  indicating  the amount to be
              prepaid  in  installments   and  the  amount  to  be  provided  as
              additional  Collateral,  and (2) make such six  equal  consecutive
              monthly installments and deliver such additional Collateral within
              the time required under clause (B) and clause (C) above.

                                       33


The failure of the  Borrower to deliver any such  election  notice or to perform
the actions  chosen to remedy a Borrowing  Base  Deficiency  under this  Section
2.05(b)(i) shall constitute an Event of Default.

              (ii) Asset Disposition. Upon any adjustments to the Borrowing Base
pursuant to Section  6.04(b) in connection  with a  Disposition,  if a Borrowing
Base  Deficiency  exists,  then the Borrower  shall  prepay  Advances or, if the
Advances  have  been  repaid in full,  make  deposits  into the Cash  Collateral
Account to provide cash collateral for the Letter of Credit Exposure,  such that
the Borrowing Base Deficiency is cured.  The Borrower shall be obligated to make
such  prepayment  and/or  deposit  of  cash  collateral  on the  date  it or any
Subsidiary receives cash proceeds as a result of such Disposition; provided that
all payments  required to be made pursuant to this Section  2.05(b)(ii)  must be
made on or prior to the Commitment Termination Date.

              (iii) Equity Issuance.  If the Borrower or any Subsidiary receives
Equity  Issuance  Proceeds,  then  immediately  upon the receipt  thereof by the
Borrower such Equity Issuance Proceeds shall be applied in the following order:

                 (A)  First,  if a  Borrowing  Base  Deficiency  exists,  to the
              prepayment  of Advances  or, if the  Advances  have been repaid in
              full, to make deposits into the Cash Collateral Account to provide
              cash collateral for the Letter of Credit  Exposure,  such that the
              Borrowing Base Deficiency is cured; and

                 (B)  Second,  ratably,  according  to the then  unpaid  amounts
              thereof, without preference or priority of any kind among them, to
              the payment of the  Obligations  then due and  payable,  including
              Obligations  with  respect to Letters  of  Credit,  including  any
              Lender  Hedging  Obligations  of any Loan Party;  provided that so
              long as no Event  of  Default  exists,  any  such  excess  amounts
              remaining after  application  under clause (A) above shall instead
              be applied ratably,  according to the then unpaid amounts thereof,
              without  preference  or priority  of any kind among  them,  to the
              payment of the Subordinated Debt then due and payable prior to the
              payment  of the  Obligations;  provided  further  that in no event
              shall the  Borrower be required  to make  prepayments  pursuant to
              this  paragraph  (B) with respect to Equity  Issuance  Proceeds in
              excess of $100,000,000.

              (iv)  Reduction of  Commitments.  On the date of each reduction of
the aggregate  Commitments pursuant to Section 2.04, the Borrower agrees to make
a prepayment in respect of the outstanding amount of the Advances to the extent,
if any,  that the  aggregate  unpaid  principal  amount of all Advances plus the
Letter of Credit Exposure  exceeds the lesser of (A) the aggregate  Commitments,
as so reduced,  and (B) the Borrowing  Base.  Each  prepayment  pursuant to this
Section  2.05(c) shall be accompanied by accrued  interest on the amount prepaid
to the date of such prepayment and amounts, if any, required to be paid pursuant
to Section  2.12 as a result of such  prepayment  being made on such date.  Each
prepayment in respect of Advances under this Section 2.05(c) shall be applied to
the  Advances as  determined  by the  Administrative  Agent and agreed to by the
Lenders in their sole discretion.

              (v)  Illegality.  If any Lender  shall  notify the  Administrative
Agent and the Borrower that Change in Law makes it unlawful, or that any central
bank or other Governmental Authority asserts that it is unlawful for such Lender


                                       34


or its Applicable Lending Office to perform its obligations under this Agreement
to maintain  any  Eurodollar  Rate  Advances  of such  Lender  then  outstanding
hereunder,  (i) the Borrower shall, no later than 11:00 a.m. (New York time) (A)
if not  prohibited  by law,  on the last  day of the  Interest  Period  for each
outstanding  Eurodollar  Rate  Advance made by such Lender or (B) if required by
such notice,  on the second  Business Day  following its receipt of such notice,
prepay all of the Eurodollar Rate Advances made by such Lender then outstanding,
together with accrued  interest on the principal  amount  prepaid to the date of
such  prepayment  and amounts,  if any,  required to be paid pursuant to Section
2.12 as a result of such  prepayment  being made on such date,  (ii) such Lender
shall  simultaneously make a Reference Rate Advance to the Borrower on such date
in an amount equal to the  aggregate  principal  amount of the  Eurodollar  Rate
Advances  prepaid to such Lender,  and (iii) the right of the Borrower to select
Eurodollar Rate Advances from such Lender for any subsequent  Borrowing shall be
suspended  until such  Lender  shall  notify the  Administrative  Agent that the
circumstances causing such suspension no longer exist.

         (c)  Interests,  Costs and  Application  of Payments.  Each  prepayment
pursuant to any provision of this Section 2.05 shall be  accompanied  by accrued
interest on the amount prepaid to the date of such  prepayment  and amounts,  if
any, required to be paid pursuant to Section 2.12 as a result of such prepayment
being made on such date. Each prepayment  under this Section 2.05(b) (other than
paragraph  (iv) above)  shall be applied to the  Advances as  determined  by the
Administrative Agent and agreed to by the Lenders in their sole discretion.

         (d) No Additional Right; Ratable Prepayment. The Borrower shall have no
right to prepay any principal  amount of any Advance  except as provided in this
Section  2.05,  and all notices  given  pursuant to this  Section  2.05 shall be
irrevocable and binding upon the Borrower.  Each payment of any Advance pursuant
to this Section 2.05 shall be made in a manner such that all Advances comprising
part of the same Borrowing are paid in whole or ratably in part.

         Section 2.06  Repayment of  Advances.  The Borrower  shall repay to the
Administrative  Agent for the ratable  benefit of the  Lenders  the  outstanding
principal amount of each Advance, together with any accrued interest thereon, on
the Maturity Date or such earlier date pursuant to Section 7.02 or Section 7.03.

         Section 2.07 Letters of Credit.

         (a) Commitment. From time to time from the date of this Agreement until
30 days prior to the Maturity Date, at the request of the Borrower,  the Issuing
Lender shall, on the terms and conditions set forth in this Agreement (including
without limitation,  the terms of Section 3.01), issue,  increase, or extend the
Expiration  Date of,  Letters of Credit for the  account of the  Borrower on any
Business Day. No Letter of Credit will be issued, increased, or extended:

              (i) if such  issuance,  increase,  or  extension  would  cause the
Letter of Credit  Exposure to exceed lesser of (A) $5,000,000 and (B) the lesser
of (1) the  aggregate  Commitments  at such time and (2) the  Borrowing  Base in
effect at such time  minus,  in each case,  under this clause (b) the sum of the
aggregate outstanding principal amount of all Advances at such time;

                                       35


              (ii) if such  Letter of Credit has an  Expiration  Date later than
the earlier of (A) one year after the date of  issuance  thereof and (B) 30 days
prior to the Maturity Date;

              (iii)  unless  such  Letter  of Credit  Documents  are in form and
substance acceptable to the Issuing Lender in its sole discretion;

              (iv) unless  such  Letter of Credit is a standby  letter of credit
not supporting the repayment of indebtedness for borrowed money of any Person;

              (v) unless the  Borrower  has  delivered  to the Issuing  Lender a
completed and executed Letter of Credit Application; and

              (vi)  unless  such Letter of Credit is governed by (1) the Uniform
Customs and Practice for  Documentary  Credits  (2006  Revision),  International
Chamber of  Commerce  Publication  No.  500,  or (2) the  International  Standby
Practices  (ISP98),  International  Chamber of Commerce  Publication No. 600, in
either case,  including any subsequent  revisions thereof approved by a Congress
of the International Chamber of Commerce and adhered to by the Issuing Lender.

If the terms of any Letter of Credit  Application  referred to in the  foregoing
clause  (v)  conflicts  with the  terms  of this  Agreement,  the  terms of this
Agreement shall control.

     (b)  Participations.  Upon the date of the issuance or increase of a Letter
of Credit,  the Issuing Lender shall be deemed to have sold to each other Lender
having a Commitment  and each other Lender  having a Commitment  shall have been
deemed to have purchased from the Issuing Lender a participation  in the related
Letter of Credit  Obligations equal to such Lender's Pro Rata Share at such date
and such sale and purchase  shall  otherwise be in accordance  with the terms of
this Agreement.  The Issuing Lender shall promptly notify each such  participant
Lender having a Commitment  by  telephone,  or telecopy of each Letter of Credit
issued, increased, or extended or converted and the actual dollar amount of such
Lender's participation in such Letter of Credit.

     (c) Issuing. Each Letter of Credit shall be issued,  increased, or extended
pursuant to a Letter of Credit  Application  (or by  telephone  notice  promptly
confirmed  in writing by a Letter of Credit  Application),  given not later than
11:00  a.m.  (New York  time) on the third  Business  Day before the date of the
proposed  issuance,  increase,  or  extension  of the Letter of Credit,  and the
Issuing  Lender  shall  give to each  other  Lender  prompt  notice  thereof  by
telephone,  or telecopy. Each Letter of Credit Application shall be delivered by
facsimile or by mail specifying the information required therein;  provided that
if such Letter of Credit  Application  is delivered by  facsimile,  the Borrower
shall follow such facsimile with an original by mail. After the Issuing Lender's
receipt of such Letter of Credit  Application (by facsimile or by mail) and upon
fulfillment of the  applicable  conditions set forth in Article III, the Issuing
Lender shall issue, increase, or extend such Letter of Credit for the account of
the Borrower. Each Letter of Credit Application shall be irrevocable and binding
on the Borrower.

     (d) Reimbursement.

                                       36


              (i) Obligation. The Borrower hereby agrees to pay on demand to the
Issuing  Lender an amount  equal to any amount paid by the Issuing  Lender under
any Letter of Credit.  In the event the Issuing Lender makes a payment  pursuant
to a request for draw presented under a Letter of Credit and such payment is not
promptly  reimbursed by the Borrower upon demand,  the Issuing Lender shall give
the  Administrative  Agent  notice  of  the  Borrower's  failure  to  make  such
reimbursement  and the  Administrative  Agent shall promptly  notify each Lender
having a Commitment  of the amount  necessary to reimburse  the Issuing  Lender.
Upon such notice from the  Administrative  Agent,  each  Lender  shall  promptly
reimburse  the Issuing  Lender for such  Lender's Pro Rata Share of such amount,
and such reimbursement  shall be deemed for all purposes of this Agreement to be
an Advance to the Borrower  transferred at the Borrower's request to the Issuing
Lender. If such reimbursement is not made by any Lender to the Issuing Lender on
the same day on which the  Administrative  Agent  notifies  such  Lender to make
reimbursement to the Issuing Lender hereunder, such Lender shall pay interest on
its Pro Rata Share  thereof to the  Issuing  Lender at a rate per annum equal to
the Federal Funds Rate.  The Borrower  hereby  unconditionally  and  irrevocably
authorizes,  empowers,  and directs the Administrative  Agent and the Lenders to
record  and  otherwise  treat  such  reimbursements  to the  Issuing  Lender  as
Reference Rate Advances under a Borrowing requested by the Borrower to reimburse
the Issuing  Lender  which have been  transferred  to the Issuing  Lender at the
Borrower's request.

              (ii)  Lenders'  Obligations.  Each  Lender's  obligation  to  make
Advances  or to  purchase  and fund risk  participations  in  Letters  of Credit
pursuant to this Section 2.07(d) shall be absolute and  unconditional  and shall
not be affected by any  circumstance,  including  (a) any setoff,  counterclaim,
recoupment,  defense or other  right  which such  Lender  may have  against  the
Issuing Lender,  any Loan Party, or any other Person for any reason  whatsoever,
(b) the occurrence or  continuance of a Default or Event of Default,  or (c) any
other  occurrence,  event or  condition,  whether  or not  similar to any of the
foregoing.  No such funding of risk  participations  shall  relieve or otherwise
impair the  obligation  of the  Borrower  to pay the  Reimbursement  Obligations
together with interest as provided herein. Nothing herein is intended to release
the Borrower's  obligations under any Letter of Credit Application,  but only to
provide an additional  method of payment  therefor.  The making of any Borrowing
under Section 2.07(d)(i) shall not constitute a cure or waiver of any Default or
Event of Default,  other than the payment  Default or Event of Default  which is
satisfied by the application of the amounts deemed advanced hereunder, caused by
a  Borrower's  failure to comply with the  provisions  of this  Agreement or the
Letter of Credit Application.

         (e)  Obligations  Unconditional.  The obligations of the Borrower under
this  Agreement in respect of each Letter of Credit shall be  unconditional  and
irrevocable,  and shall be paid  strictly in  accordance  with the terms of this
Agreement under all circumstances, including the following circumstances:

              (i) any lack of validity or enforceability of any Letter of Credit
Documents;

              (ii) any  amendment  or waiver of, or any consent to or  departure
from, any Letter of Credit Documents;

                                       37


              (iii) the existence of any claim, set-off, defense, or other right
which the Borrower may have at any time against any beneficiary or transferee of
such Letter of Credit (or any Persons for whom any such  beneficiary or any such
transferee may be acting),  the Issuing Lender, or any other Person,  whether in
connection with this Agreement, the transactions  contemplated in this Agreement
or in any Letter of Credit Documents, or any unrelated transaction;

              (iv) any  statement  or any other  document  presented  under such
Letter of Credit proving to be forged,  fraudulent,  invalid, or insufficient in
any respect or any statement therein being untrue or inaccurate in any respect;

              (v)  payment by the  Issuing  Lender  under such  Letter of Credit
against  presentation  of a draft or certificate  which does not comply with the
terms of such Letter of Credit; or

              (vi) any other  circumstance or happening  whatsoever,  whether or
not similar to any of the foregoing;

provided,  however, that nothing contained in this paragraph (e) shall be deemed
to  constitute a waiver of any remedies of the Borrower in  connection  with the
Letters of Credit or the Borrower's rights under Section 2.07(f).

         (f) Liability of Issuing Lender.  The Borrower assumes all risks of the
acts or omissions of any  beneficiary or transferee of any Letter of Credit with
respect to its use of such Letter of Credit.  Neither the Issuing Lender nor any
of its officers or directors shall be liable or responsible for:

              (i) the use which may be made of any  Letter of Credit or any acts
or omissions of any beneficiary or transferee in connection therewith;

              (ii) the validity, sufficiency, or genuineness of documents, or of
any endorsement thereon, even if such documents should prove to be in any or all
respects invalid, insufficient, fraudulent, or forged;

              (iii)  payment  by the  Issuing  Lender  against  presentation  of
documents  which do not comply  with the terms of a Letter of Credit,  including
failure of any  documents  to bear any  reference  or adequate  reference to the
relevant Letter of Credit; or

              (iv) any other  circumstances  whatsoever  in making or failing to
make  payment  under any Letter of Credit  (INCLUDING  THE ISSUING  LENDER'S OWN
NEGLIGENCE),

except that,  notwithstanding  the  provisions in paragraphs  (e) or (f) of this
Section 2.07,  the Borrower shall have a claim against the Issuing  Lender,  and
the Issuing Lender shall be liable to the Borrower, to the extent of any direct,
as opposed to consequential, damages suffered by the Borrower which the Borrower
proves  were  caused  by  the  Issuing  Lender's  willful  misconduct  or  gross
negligence.  In furtherance and not in limitation of the foregoing,  the Issuing


                                       38


Lender may accept  documents  that appear on their face to be in order,  without
responsibility   for  further   investigation,   regardless  of  any  notice  or
information to the contrary.

         (g) Cash Collateral Account.

              (i) If the  Borrower  is  required  to  deposit  funds in the Cash
Collateral Account pursuant to Section 2.05(b),  7.02(b),  or 7.03(b),  then the
Borrower and the Issuing Lender shall establish the Cash Collateral  Account and
the  Borrower  shall  execute  any  documents  and  agreements,   including  the
Administrative  Agent's standard form assignment of deposit  accounts,  that the
Administrative  Agent  requests in  connection  therewith to establish  the Cash
Collateral Account and grant the Administrative  Agent a first priority security
interest in such account and the funds therein.  The Borrower  hereby pledges to
the Administrative Agent and grants the Administrative Agent a security interest
in the Cash Collateral Account, whenever established, all funds held in the Cash
Collateral  Account from time to time, and all proceeds  thereof as security for
the payment of the Obligations.

              (ii) So long as no  Default or Event of  Default  exists,  (A) the
Administrative  Agent may apply the funds  held in the Cash  Collateral  Account
only to the  reimbursement  of any  Letter  of Credit  Obligations,  and (B) the
Administrative  Agent shall  release to the Borrower at the  Borrower's  written
request any funds held in the Cash Collateral Account in an amount up to but not
exceeding  the  excess,  if any  (immediately  prior to the  release of any such
funds),  of the total amount of funds held in the Cash  Collateral  Account over
the Letter of Credit Exposure. During the existence of any Event of Default, the
Administrative  Agent may apply any funds held in the Cash Collateral Account to
the Obligations in any order determined by the Administrative Agent,  regardless
of any Letter of Credit Exposure that may remain outstanding. The Administrative
Agent may in its sole  discretion  at any time release to the Borrower any funds
held in the Cash Collateral Account.

              (iii) The Administrative  Agent shall exercise  reasonable care in
the custody and  preservation of any funds held in the Cash  Collateral  Account
and shall be  deemed to have  exercised  such  care if such  funds are  accorded
treatment  substantially  equivalent  to that  which  the  Administrative  Agent
accords its own Property,  it being  understood  that the  Administrative  Agent
shall not have any  responsibility  for taking any  necessary  steps to preserve
rights against any parties with respect to any such funds.

         (h) Letters of Credit Issued for Subsidiaries.  Notwithstanding  that a
Letter  of  Credit  issued  or  outstanding  hereunder  is  in  support  of  any
obligations  of, or is for the account  of, a  Subsidiary  of a Loan Party,  the
Borrower  shall be obligated to reimburse the Issuing  Lender  hereunder for any
and all  drawings  under such Letter of Credit  issued  hereunder by the Issuing
Lender.  Borrower hereby acknowledges that the issuance of Letters of Credit for
the account of any of  Subsidiary  of a Loan Party  inures to the benefit of the
Borrower, and that the Borrower's business derives substantial benefits from the
businesses of such Subsidiaries.

         (i) Existing Letters of Credit. The Issuing Lender, the Lenders and the
Borrower agree that  effective as of the Closing Date,  the Existing  Letters of
Credit  shall be deemed to have been  issued  and  maintained  under,  and to be
governed by the terms and conditions of, this Agreement.

                                       39


         Section 2.08 Fees.

         (a) Commitment  Fee. The Borrower  agrees to pay to the  Administrative
Agent for the account of each Lender  having a Commitment a commitment  fee at a
per annum rate equal to the  Commitment  Fee Rate on the  average  daily  Unused
Commitment  Amount of such  Lender,  from the date of this  Agreement  until the
Commitment  Termination  Date.  The  commitment  fees  shall be due and  payable
quarterly  in  arrears  on the  last day of each  March,  June,  September,  and
December  commencing on March 31, 2008,  and continuing  thereafter  through and
including the Commitment Termination Date.

         (b) Letter of Credit Fees.

              (i) The Borrower agrees to pay (A) to the Administrative Agent for
the pro rata  benefit of the Lenders  having a  Commitment a per annum letter of
credit fee for each Letter of Credit issued  hereunder in an amount equal to the
greater of (y) a per annum rate equal to the  Applicable  Margin  then in effect
for Eurodollar Rate Advances on the face amount of such Letter of Credit for the
period such Letter of Credit is to be  outstanding  and (z) $500.00,  and (B) to
the Issuing Lender,  a fronting fee for each Letter of Credit equal to .125% per
annum on the face  amount  of such  Letter  of  Credit.  Each  such fee shall be
payable annually in advance on the date of the issuance of the Letter of Credit,
and, in the case of an increase or extension  only, on the date of such increase
or such extension.

              (ii) The  Borrower  also agrees to pay to the Issuing  Lender such
other  usual and  customary  fees  associated  with any  transfers,  amendments,
drawings, negotiations or reissuances of any Letters of Credit.

         (c) Upfront Fee. The Borrower agrees to pay to the Administrative Agent
the fees described in the Fee Letter.

         (d) Borrowing  Base Increase  Fees.  The Borrower  agrees to pay to the
Administrative  Agent for the  account of the  Lenders  having a  Commitment  in
connection  with any increase of the Borrowing  Base, a borrowing  base increase
fee on the amount of such increase.  The borrowing base increase fee shall be in
an amount  equal to .20%  multiplied  by the amount of the increase and shall be
due and payable on the date that the  increase  to the  Borrowing  Base  becomes
effective.

         Section 2.09  Interest.  The Borrower  shall pay interest on the unpaid
principal  amount  of each  Advance  made by each  Lender  from the date of such
Advance  until such  principal  amount shall be paid in full,  at the  following
rates per annum:

         (a)  Reference  Rate  Advances.  If such  Advance is a  Reference  Rate
Advance,  a rate per annum equal at all times to the Adjusted  Reference Rate in
effect from time to time plus the Applicable Margin in effect from time to time,
payable quarterly in arrears on the last day of each March, June, September, and
December and on the date such Reference Rate Advance shall be paid in full.

         (b)  Eurodollar  Rate  Advances.  If such Advance is a Eurodollar  Rate
Advance, a rate per annum equal at all times during the Interest Period for such
Advance to the  Eurodollar  Rate for such  Interest  Period plus the  Applicable


                                       40


Margin in effect  from time to time,  payable  on the last day of such  Interest
Period  and, in the case of any  Interest  Period  longer  than three  months in
duration,  on the third  monthly  anniversary  of the beginning of such Interest
Period as well as the last day of such Interest Period.

         (c) Additional Interest on Eurodollar Rate Advances. The Borrower shall
pay to  each  Lender,  so  long as any  such  Lender  shall  be  required  under
regulations  of the Federal  Reserve Board to maintain  reserves with respect to
liabilities  or assets  consisting  of or  including  Eurocurrency  Liabilities,
additional  interest  on the unpaid  principal  amount of each  Eurodollar  Rate
Advance of such  Lender,  from the  effective  date of such  Advance  until such
principal  amount is paid in full,  at an  interest  rate per annum equal at all
times to the remainder  obtained by subtracting  (i) the Eurodollar Rate for the
Interest  Period for such Advance from (ii) the rate  obtained by dividing  such
Eurodollar Rate by a percentage  equal to 100% minus the Eurodollar Rate Reserve
Percentage  of such  Lender for such  Interest  Period,  payable on each date on
which interest is payable on such Advance.  Such additional  interest payable to
any Lender  shall be  determined  by such Lender and  notified  to the  Borrower
through the Administrative Agent (such notice to include the calculation of such
additional  interest,  which  calculation  shall be conclusive in the absence of
manifest error).

         (d) Usury Recapture.

              (i) If,  with  respect to any Lender or the  Issuing  Lender,  the
effective rate of interest  contracted for under the Loan  Documents,  including
the stated rates of interest and fees  contracted  for  hereunder  and any other
amounts contracted for under the Loan Documents which are deemed to be interest,
at any time exceeds the Maximum Rate, then the outstanding  principal  amount of
the loans made by such Lender or Issuing Lender, as applicable,  hereunder shall
bear interest at a rate which would make the effective rate of interest for such
Lender or Issuing  Lender,  as applicable,  under the Loan  Documents  equal the
Maximum Rate until the difference  between the amounts which would have been due
at the stated  rates and the  amounts  which were due at the  Maximum  Rate (the
"Lost  Interest")  has been  recaptured  by such  Lender or Issuing  Lender,  as
applicable.

              (ii)  If,  when  the  loans  and  reimbursement  obligations  made
hereunder are repaid in full, the Lost Interest has not been fully recaptured by
such  Lender  or  Issuing  Lender,  as  applicable,  pursuant  to the  preceding
paragraph,  then, to the extent permitted by law, for the loans and other credit
extensions made hereunder by such Lender or Issuing Lender,  as applicable,  the
interest  rates  charged  under Section 2.09  hereunder  shall be  retroactively
increased  such that the effective rate of interest under the Loan Documents was
at the Maximum  Rate since the  effectiveness  of this  Agreement  to the extent
necessary  to  recapture  the  Lost  Interest  not  recaptured  pursuant  to the
preceding  sentence and, to the extent allowed by law, the Borrower shall pay to
such Lender or Issuing  Lender,  as applicable,  the amount of the Lost Interest
remaining to be recaptured by such Lender or Issuing Lender, as applicable.

         Section 2.10 Payments and Computations.

         (a) Payment Procedures. The Borrower shall make each payment under this
Agreement  not later  than  11:00  a.m.  (New York  time) on the day when due in
Dollars to the  Administrative  Agent at 1221 Avenue of the Americas,  New York,


                                       41


New York  10020  (or such  other  location  as the  Administrative  Agent  shall
designate  in  writing to the  Borrower)  in same day funds  without  deduction,
setoff,  or  counterclaim of any kind. The  Administrative  Agent shall promptly
thereafter  cause to be  distributed  like  funds  relating  to the  payment  of
principal,  interest or fees ratably  (other than amounts  payable solely to the
Administrative  Agent,  the Issuing  Lender,  or a specific  Lender  pursuant to
Section  2.08(c),  2.09(c),  2.12,  2.13,  2.14,  9.04, 9.05, or 9.06, but after
taking into account  payments  effected  pursuant to Section 7.04) in accordance
with each  Lender's  Pro Rata  Share to the  Lenders  for the  account  of their
respective Applicable Lending Offices, and like funds relating to the payment of
any other amount  payable to any Lender or the Issuing Lender to such Lender for
the  account of its  Applicable  Lending  Office,  in each case to be applied in
accordance with the terms of this Agreement.

         (b)  Computations.  All computations of interest based on the Reference
Rate  and of fees  (other  than  Letter  of  Credit  fees)  shall be made by the
Administrative  Agent on the basis of a year of 365 or 366 days, as the case may
be,  and all  computations  of  interest  based on the  Eurodollar  Rate and the
Federal Funds Rate and Letter of Credit fees shall be made by the Administrative
Agent, on the basis of a year of 360 days, in each case for the actual number of
days  (including  the first day, but  excluding  the last day)  occurring in the
period for which such interest or fees are payable.  Each  determination  by the
Administrative  Agent of an interest rate or fee shall be conclusive and binding
for all purposes, absent manifest error.

         (c) Non-Business Day Payments.  Whenever any payment shall be stated to
be due on a day other than a Business  Day,  such  payment  shall be made on the
next  succeeding  Business Day, and such extension of time shall in such case be
included in the  computation of payment of interest or fees, as the case may be;
provided,  however, that if such extension would cause payment of interest on or
principal of Eurodollar Rate Advances to be made in the next following  calendar
month, such payment shall be made on the immediately preceding Business Day.

         (d) Payments by Borrower;  Presumptions by Administrative Agent. Unless
the  Administrative  Agent shall have received notice from the Borrower prior to
the date on which any payment is due to the Administrative Agent for the account
of the Lenders or the Issuing  Lender  hereunder that the Borrower will not make
such  payment,  the  Administrative  Agent may assume that the Borrower has made
such payment on such date in accordance  herewith and may, in reliance upon such
assumption, distribute to the Lenders or the Issuing Lender, as the case may be,
the  amount  due.  In such  event,  if the  Borrower  has not in fact  made such
payment,  then each of the  Lenders or the Issuing  Lender,  as the case may be,
severally  agrees to repay to the  Administrative  Agent forthwith on demand the
amount so  distributed  to such  Lender or the  Issuing  Lender,  with  interest
thereon,  for each day from and including the date such amount is distributed to
it to but  excluding  the date of payment to the  Administrative  Agent,  at the
greater of the Federal Funds Rate and a rate  determined  by the  Administrative
Agent in accordance with banking industry rules on interbank compensation.

         Section  2.11  Sharing  of  Payments,  Etc.  If any  Lender  shall,  by
exercising any right of setoff or counterclaim  or otherwise,  obtain payment in
respect  of any  principal  of or  interest  on any of  its  Advances  or  other
obligations  hereunder  resulting  in  such  Lender's  receiving  payment  of  a
proportion of the aggregate  amount of its Advances and accrued interest thereon
or other such  obligations  greater than its pro rata share  thereof as provided
herein,  then the Lender receiving such greater  proportion shall (a) notify the


                                       42


Administrative  Agent of such fact,  and (b)  purchase  (for cash at face value)
participations  in the Advances and such other obligations of the other Lenders,
or make such other adjustments as shall be equitable, so that the benefit of all
such  payments  shall be shared by the Lenders  ratably in  accordance  with the
aggregate  amount of  principal  of and  accrued  interest  on their  respective
Advances  and  other  amounts  owing  them,  provided  that:  (i)  if  any  such
participations  are purchased and all or any portion of the payment  giving rise
thereto is recovered,  such  participations  shall be rescinded and the purchase
price restored to the extent of such recovery,  without  interest;  and (ii) the
provisions  of this  Section  shall not be construed to apply to (x) any payment
made by the Borrower  pursuant to and in  accordance  with the express  terms of
this Agreement or (y) any payment obtained by a Lender as consideration  for the
assignment  of  or  sale  of  a   participation   in  any  of  its  Advances  or
participations  in  the  Letter  of  Credit   Obligations  to  any  assignee  or
participant,  other than to the Borrower or any Subsidiary  thereof (as to which
the  provisions  of this Section  shall  apply).  The  Borrower  consents to the
foregoing and agrees,  to the extent it may  effectively do so under  applicable
Legal  Requirement,  that any Lender  acquiring a participation  pursuant to the
foregoing  arrangements  may exercise  against the Borrower rights of setoff and
counterclaim with respect to such  participation as fully as if such Lender were
a direct creditor of the Borrower in the amount of such participation.

         Section  2.12  Breakage  Costs.  If (a) any payment of principal of any
Eurodollar  Rate  Advance  is made  other  than on the last day of the  Interest
Period for such Advance,  whether as a result of any payment pursuant to Section
2.05, the  acceleration of the maturity of the  Obligations  pursuant to Article
VII, or  otherwise,  or (b) the  Borrower  fails to make a principal or interest
payment with respect to any Eurodollar  Rate Advance on the date such payment is
due and payable,  the Borrower shall,  within 10 days of any written demand sent
by any Lender to the  Borrower  through  the  Administrative  Agent,  pay to the
Administrative  Agent for the  account of such  Lender any  amounts  required to
compensate  such  Lender  for any  additional  losses,  out-of-pocket  costs  or
expenses  which  it  may  reasonably  incur  as a  result  of  such  payment  or
nonpayment,  including any loss (including loss of anticipated profits), cost or
expense  incurred by reason of the  liquidation or  reemployment  of deposits or
other funds acquired by any Lender to fund or maintain such Advance.

         Section 2.13 Increased Costs.

         (a) Increased Costs Generally. If any Change in Law shall:

              (i)  impose,  modify  or  deem  applicable  any  reserve,  special
deposit, compulsory loan, insurance charge or similar requirement against assets
of,  deposits with or for the account of, or credit  extended or participated in
by, any Lender (except any reserve requirement  reflected in the Eurodollar Rate
Reserve Percentage) or the Issuing Lender;

              (ii)  subject any Lender or the  Issuing  Lender to any tax of any
kind  whatsoever  with  respect to this  Agreement,  any  Letter of Credit,  any
participation  in a Letter of Credit or any Eurodollar  Rate Advance made by it,
or change the basis of taxation of payments to such Lender or the Issuing Lender
in respect  thereof  (except for  Indemnified  Taxes or Other  Taxes  covered by
Section 2.14 and the  imposition  of, or any change in the rate of, any Excluded
Tax payable by such Lender or the Issuing Lender); or

                                       43


              (iii)  impose on any  Lender or the  Issuing  Lender or the London
interbank market any other condition,  cost or expense  affecting this Agreement
or  Eurodollar  Rate  Advances  made by such  Lender or any  Letter of Credit or
participation therein;

and the result of any of the  foregoing  shall be to  increase  the cost to such
Lender of making or maintaining  any Eurodollar  Rate Advance (or of maintaining
its obligation to make any such Advance), or to increase the cost to such Lender
or the Issuing Lender of participating  in, issuing or maintaining any Letter of
Credit (or of  maintaining  its  obligation  to  participate  in or to issue any
Letter of Credit),  or to reduce the amount of any sum received or receivable by
such Lender or the Issuing Lender hereunder  (whether of principal,  interest or
any other amount) then, upon request of such Lender or the Issuing  Lender,  the
Borrower will pay to such Lender or the Issuing Lender, as the case may be, such
additional  amount or  amounts as will  compensate  such  Lender or the  Issuing
Lender,  as the case may be, for such  additional  costs  incurred or  reduction
suffered.

         (b)  Capital  Requirements.   If  any  Lender  or  the  Issuing  Lender
determines that any Change in Law affecting such Lender or the Issuing Lender or
any  lending  office of such Lender or such  Lender's  or the  Issuing  Lender's
holding company,  if any,  regarding capital  requirements has or would have the
effect of reducing the rate of return on such  Lender's or the Issuing  Lender's
capital or on the  capital of such  Lender's  or the  Issuing  Lender's  holding
company,  if any, as a consequence of this  Agreement,  the  Commitments of such
Lender or the Advances made by, or  participations in Letters of Credit held by,
such Lender,  or the Letters of Credit issued by the Issuing Lender,  to a level
below that which  such  Lender or the  Issuing  Lender or such  Lender's  or the
Issuing  Lender's holding company could have achieved but for such Change in Law
(taking into  consideration  such Lender's or the Issuing Lender's  policies and
the  policies of such  Lender's or the Issuing  Lender's  holding  company  with
respect to capital  adequacy),  then from time to time the Borrower  will pay to
such Lender or the Issuing Lender, as the case may be, such additional amount or
amounts as will compensate such Lender or the Issuing Lender or such Lender's or
the Issuing Lender's holding company for any such reduction suffered.

         (c)  Certificates for  Reimbursement.  A certificate of a Lender or the
Issuing Lender setting forth the amount or amounts  necessary to compensate such
Lender or the  Issuing  Lender or its  holding  company,  as the case may be, as
specified in paragraph  (a) or (b) of this Section and delivered to the Borrower
shall be conclusive absent manifest error. The Borrower shall pay such Lender or
the  Issuing  Lender,  as the case may be, the  amount  shown as due on any such
certificate within 10 days after receipt thereof.

         (d) Delay in  Requests.  Failure  or delay on the part of any Lender or
the Issuing  Lender to demand  compensation  pursuant to this Section  shall not
constitute  a waiver of such  Lender's or the Issuing  Lender's  right to demand
such compensation.

         Section 2.14 Taxes.

         (a)  Payments  Free of Taxes.  Any and all payments by or on account of
any obligation of the Borrower  hereunder or under any other Loan Document shall
be  made  free  and  clear  of and  without  reduction  or  withholding  for any
Indemnified  Taxes  or  Other  Taxes,  provided  that if the  Borrower  shall be
required  by  applicable  Legal  Requirement  to deduct  any  Indemnified  Taxes


                                       44


(including any Other Taxes) from such  payments,  then (i) the sum payable shall
be  increased  as  necessary  so  that  after  making  all  required  deductions
(including  deductions applicable to additional sums payable under this Section)
the Administrative Agent, Lender or Issuing Lender, as the case may be, receives
an amount equal to the sum it would have  received had no such  deductions  been
made,  (ii) the Borrower shall make such deductions and (iii) the Borrower shall
timely pay the full amount  deducted to the relevant  Governmental  Authority in
accordance with applicable Legal Requirement.

         (b)  Payment  of Other  Taxes by the  Borrower.  Without  limiting  the
provisions of paragraph (a) above, the Borrower shall timely pay any Other Taxes
to the relevant  Governmental  Authority in  accordance  with  applicable  Legal
Requirement.

         (c)  Indemnification by the Borrower.  The Borrower shall indemnify the
Administrative  Agent,  each Lender and the Issuing  Lender,  within 10 Business
Days after  demand  therefor,  for the full amount of any  Indemnified  Taxes or
Other Taxes (including  Indemnified  Taxes or Other Taxes imposed or asserted on
or   attributable   to  amounts   payable   under  this  Section)  paid  by  the
Administrative Agent, such Lender or the Issuing Lender, as the case may be, and
any  penalties,  interest  and  reasonable  expenses  arising  therefrom or with
respect  thereto,  whether  or not such  Indemnified  Taxes or Other  Taxes were
correctly or legally imposed or asserted by the relevant Governmental Authority.
A  certificate  as to the amount of such payment or  liability  delivered to the
Borrower by a Lender or the Issuing  Lender  (with a copy to the  Administrative
Agent),  or by the  Administrative  Agent on its own  behalf  or on  behalf of a
Lender or the Issuing Lender, shall be conclusive absent manifest error.

         (d) Evidence of Payments.  As soon as practicable  after any payment of
Indemnified  Taxes or Other Taxes by the Borrower to a  Governmental  Authority,
the  Borrower  shall  deliver  to the  Administrative  Agent the  original  or a
certified copy of a receipt  issued by such  Governmental  Authority  evidencing
such payment,  a copy of the return  reporting such payment or other evidence of
such payment reasonably satisfactory to the Administrative Agent.

         (e) Status of  Lenders.  Any  Foreign  Lender  that is  entitled  to an
exemption from or reduction of withholding tax under the law of the jurisdiction
in which the Borrower is resident for tax purposes,  or any treaty to which such
jurisdiction is a party,  with respect to payments  hereunder or under any other
Loan Document shall deliver to the Borrower  (with a copy to the  Administrative
Agent),  at the  time  or  times  prescribed  by  applicable  law or  reasonably
requested by the Borrower or the  Administrative  Agent, such properly completed
and executed  documentation  prescribed  by  applicable  law as will permit such
payments to be made without withholding or at a reduced rate of withholding.  In
addition,  any Lender, if requested by the Borrower or the Administrative Agent,
shall  deliver  such  other  documentation   prescribed  by  applicable  law  or
reasonably  requested by the Borrower or the Administrative Agent as will enable
the Borrower or the Administrative Agent to determine whether or not such Lender
is subject to backup withholding or information reporting requirements.

         Without limiting the generality of the foregoing, in the event that the
Borrower  is resident  for tax  purposes  in the United  States of America,  any
Foreign  Lender shall deliver to the Borrower and the  Administrative  Agent (in
such number of copies as shall be requested by the recipient) on or prior to the


                                       45


date on which such Foreign  Lender  becomes a Lender under this  Agreement  (and
from  time  to  time  thereafter  upon  the  request  of  the  Borrower  or  the
Administrative  Agent, but only if such Foreign Lender is legally entitled to do
so), whichever of the following is applicable:

              (i) duly completed  copies of Internal Revenue Service Form W-8BEN
claiming  eligibility  for  benefits of an income tax treaty to which the United
States of America is a party,

              (ii)  duly  completed  copies of  Internal  Revenue  Service  Form
W-8ECI,

              (iii) in the case of a Foreign Lender claiming the benefits of the
exemption  for  portfolio  interest  under  section  881(c) of the  Code,  (x) a
certificate  to the effect that such Foreign  Lender is not (A) a "bank"  within
the meaning of section  881(c)(3)(A) of the Code, (B) a "10 percent shareholder"
of the Borrower within the meaning of section 881(c)(3)(B) of the Code, or (C) a
"controlled foreign  corporation"  described in section 881(c)(3)(C) of the Code
and (y) duly completed copies of Internal Revenue Service Form W-8BEN, or

              (iv) any other form  prescribed by  applicable  law as a basis for
claiming exemption from or a reduction in United States Federal  withholding tax
duly  completed  together  with  such  supplementary  documentation  as  may  be
prescribed by applicable law to permit the Borrower to determine the withholding
or deduction required to be made.

         (f) Treatment of Certain Refunds. If the Administrative Agent, a Lender
or the Issuing Lender determines, in its sole and reasonable discretion, that it
has  received  a refund  of any  Taxes  or  Other  Taxes as to which it has been
indemnified  by the  Borrower  or with  respect to which the  Borrower  has paid
additional  amounts  pursuant to this  Section,  it shall pay to the Borrower an
amount equal to such refund (but only to the extent of indemnity  payments made,
or additional  amounts paid, by the Borrower  under this Section with respect to
the Taxes or Other Taxes  giving  rise to such  refund),  net of all  reasonable
out-of-pocket  expenses of the Administrative  Agent, such Lender or the Issuing
Lender,  as the case may be, and without  interest (other than any interest paid
by the relevant  Governmental  Authority with respect to such refund),  provided
that the Borrower,  upon the request of the Administrative Agent, such Lender or
the Issuing  Lender,  agrees to repay the amount paid over to the Borrower (plus
any penalties,  interest or other charges  imposed by the relevant  Governmental
Authority) to the Administrative Agent, such Lender or the Issuing Lender in the
event the Administrative Agent, such Lender or the Issuing Lender is required to
repay such refund to such  Governmental  Authority.  This paragraph shall not be
construed to require the Administrative  Agent, any Lender or the Issuing Lender
to make  available  its tax  returns (or any other  information  relating to its
taxes that it deems confidential) to the Borrower or any other Person.

                                  ARTICLE III
                              CONDITIONS OF LENDING

         Section 3.01 Conditions  Precedent to Effectiveness.  The effectiveness
of this  Agreement  and the  amendment and  restatement  of the Existing  Credit
Agreement is subject to the conditions precedent that:

                                       46


         (a)  Documentation.  The  Administrative  Agent shall have received the
following  duly  executed  by all the  parties  thereto,  in form and  substance
satisfactory to the  Administrative  Agent,  the Issuing Lender and the Lenders,
and, where applicable, in sufficient copies for each Lender:

              (i) this Agreement, a Note payable to the order of each requesting
Lender in the amount of its Commitment, the Security Agreements, the Guaranties,
the  Pledge  Agreements,  and  Mortgages  encumbering  substantially  all of the
Borrower's and its Subsidiaries'  personal property and encumbering at least 90%
of the PV-10 of the Loan Parties'  Proven  Reserves (as set forth in the Initial
Engineering  Reports)  and  Oil  and  Gas  Properties  in  connection  therewith
(including  the Oil and Gas  Properties  to be acquired  under the Closing  Date
Acquisition),  and each of the other Loan Documents, including the Intercreditor
Agreement, and all attached exhibits and schedules;

              (ii) a favorable opinion of (A) the Borrower's and the Guarantors'
primary counsel dated as of the date of this Agreement in form and covering such
matters  as  the  Administrative  Agent  may  reasonably  request  and  (B)  the
Borrower's  and the  Guarantors'  local  counsel  dated  as of the  date of this
Agreement in form and  covering  such  matters as the  Administrative  Agent may
reasonably request;

              (iii)  copies,  certified  as of the date of this  Agreement  by a
Responsible  Officer of the General  Partner of (A) the resolutions of the board
of managers of the General  Partner  approving  the Loan  Documents to which the
Borrower or the General  Partner is a party,  (B) the articles or certificate of
formation  of the  General  Partner  and the  company  agreement  of the General
Partner,  (C) the  certificate of limited  partnership of the Borrower,  (D) the
partnership  agreement of the Borrower,  and (E) all other documents  evidencing
other  necessary  corporate  action and  governmental  approvals,  if any,  with
respect to this Agreement, the Notes, and the other Loan Documents;

              (iv)  certificates of the secretary or assistant  secretary of the
General Partner  certifying the names and true signatures of the officers of the
General  Partner  authorized  to sign this  Agreement,  the  Notes,  Notices  of
Borrowing,  Notices of Conversion or Continuation,  and the other Loan Documents
to which the Borrower or the General Partner is a party;

              (v) other than as  otherwise  required  under  clause (iii) above,
copies,  certified as of the date of this Agreement by a Responsible  Officer or
the secretary or an assistant secretary of each Guarantor of (A) the resolutions
of the Board of Directors (or other applicable governing body) of such Guarantor
approving  the  Loan  Documents  to which it is a  party,  (B) the  articles  or
certificate (as applicable) of  incorporation  (or  organization)  and bylaws of
such Guarantor, and (C) all other documents evidencing other necessary corporate
action and  governmental  approvals,  if any, with respect to the Guaranty,  the
Security Instruments,  and the other Loan Documents to which such Guarantor is a
party;

              (vi) a certificate  of the secretary or an assistant  secretary of
each  Guarantor  certifying  the names and true  signatures  of officers of such
Guarantor  authorized to sign the Guaranty,  Security  Instruments and the other
Loan Documents to which such Guarantor is a party;

                                       47


              (vii)  a  certificate   dated  as  of  the  Closing  Date  from  a
Responsible  Officer of the Borrower  stating that (A) all  representations  and
warranties  of the Borrower set forth in this  Agreement are true and correct in
all material  respects;  (B) no Default has occurred and is continuing;  and (C)
the conditions in this Section 3.01 have been met;

              (viii)  appropriate  UCC-1 and  UCC-3,  as  applicable,  Financing
Statements  covering the Collateral for filing with the appropriate  authorities
and any  other  documents,  agreements  or  instruments  necessary  to create an
Acceptable Security Interest in such Collateral;

              (ix) property  insurance  certificates  naming the  Administrative
Agent loss payee and liability insurance  certificates naming the Administrative
Agent as additional insured, as applicable, and evidencing insurance which meets
the  requirements  of this  Agreement  and the Security  Instruments  (including
business  interruption  insurance),  and which is otherwise  satisfactory to the
Administrative Agent;

              (x) the Initial Engineering Reports;

              (xi)  to  the  extent  required  in  connection  with  the  Pledge
Agreements,   (A)  stock  or,  to  the  extent  applicable  under  the  Person's
organizational documents,  membership or partnership interest certificates,  and
stock powers executed in blank for each such stock certificate endorsed in blank
to the  Administrative  Agent  and (B) to the  extent  such  Person is a limited
liability  company or a limited  partnership,  copies of its  limited  liability
company agreement,  partnership agreement or other similar document the terms of
which expressly provide that membership interests or partnership  interests,  as
applicable,  in such Person are securities  governed by Chapter 8 of the Uniform
Commercial Code as in effect in the State of New York;

              (xii) copies,  certified by a Responsible Officer of the Borrower,
of all of  the  Closing  Date  Acquisition  Instruments  and  all  exhibits  and
schedules  thereto,  together  with all  amendments,  modifications  or  waivers
thereto in effect as of the date of this Agreement;

              (xiii)  a  Compliance  Certificate  completed  and  executed  by a
Responsible  Officer of the  General  Partner  showing the  calculation  of, and
Borrower's pro forma  compliance  with Section 6.17 as of the Closing Date after
giving effect to the Closing Date  Acquisition and the Borrowings  requested and
made on the Closing Date;

              (xiv)  certificates  of good  standing and existence for each Loan
Party in (a) the state,  province  or  territory  in which  each such  Person is
organized and (b) each state,  province or territory in which such good standing
is necessary,  which certificates shall be dated a date not earlier than 30 days
prior to the date hereof; and

              (xv) such other documents,  governmental certificates,  agreements
and lien  searches  as the  Administrative  Agent or any Lender  may  reasonably
request.

         (b) Payment of Fees. On the date of this Agreement,  the Borrower shall
have paid the fees  required by Section  2.08(c) and all costs and expenses that
have been invoiced and are payable pursuant to Section 9.04.

                                       48


         (c) Delivery of Financial Information. The Administrative Agent and the
Lenders  shall  have  received  true and  correct  copies  of (i) the  Financial
Statements, (ii) the Projections,  and (iii) such other financial information as
the Lenders may reasonably request.

         (d) Security Instruments.  The Administrative Agent shall have received
all appropriate evidence required by the Administrative Agent and the Lenders in
their sole discretion  necessary to determine that the Administrative Agent (for
its benefit and the benefit of the Lenders)  shall have an  Acceptable  Security
Interest in the Collateral  (which shall  include,  at least 90% of the PV-10 of
the Loan  Parties'  Proven  Reserves  (as set forth in the  Initial  Engineering
Reports) and Oil and Gas Properties in connection  therewith,  including the Oil
and Gas Properties to be acquired under the Closing Date  Acquisition)  and that
all actions or filings  necessary to protect,  preserve and validly perfect such
Liens have been  made,  taken or  obtained,  as the case may be, and are in full
force and effect.

         (e) Title.  The  Administrative  Agent shall be  satisfied  in its sole
discretion  with  the  title  to the  Oil  and Gas  Properties  included  in the
Borrowing Base and that such Oil and Gas Properties,  after giving effect to the
Closing Date Acquisition, constitute at least 71% of the PV-10 Value of the Loan
Parties'  Proven  Reserves  (as set forth on the Initial  Engineering  Reports),
including  mortgagee's  title  opinions  or  other  title  evidence  in form and
substance  satisfactory  to the  Administrative  Agent and, in the case of title
opinions, issued by title counsel satisfactory to the Administrative Agent.

         (f) Environmental. The Administrative Agent shall have received reports
as it may  reasonably  require and shall be satisfied  with the condition of the
Oil  and  Gas  Properties  with  respect  to  the  Borrower's   compliance  with
Environmental Laws.

         (g) No Default. No Default shall have occurred and be continuing.

         (h) Representations and Warranties.  The representations and warranties
contained  in  Article  IV and in each  other  Loan  Document  shall be true and
correct in all material respects.

         (i) Material Adverse Change.  No event or circumstance that could cause
a Material Adverse Change shall have occurred.

         (j) No Proceeding or Litigation; No Injunctive Relief. No action, suit,
investigation or other proceeding  (including the enactment or promulgation of a
statute or rule) by or before any arbitrator or any Governmental Authority shall
be threatened or pending and no preliminary or permanent  injunction or order by
a state or federal  court shall have been  entered (i) in  connection  with this
Agreement or any transaction  contemplated hereby or (ii) which, in any case, in
the judgment of the Administrative Agent, could reasonably be expected to result
in a Material Adverse Change.

         (k) Consents, Licenses,  Approvals, etc. The Administrative Agent shall
have  received  true  copies  (certified  to be such by the  Borrower  or  other
appropriate  party)  of  all  consents,   licenses  and  approvals  required  in
accordance  with  applicable  Legal  Requirements,  or in  accordance  with  any
document,  agreement,  instrument  or  arrangement  to which the  Borrower,  any
Guarantor or any of their respective Subsidiaries is a party, in connection with
the  execution,  delivery,  performance,  validity  and  enforceability  of this
Agreement,   the  other  Loan  Documents,   and  the  Closing  Date  Acquisition


                                       49


Instruments.  In addition,  the Borrower,  the Guarantors  and their  respective
Subsidiaries  shall have all such  material  consents,  licenses  and  approvals
required in  connection  with the  continued  operation  of the  Borrower,  such
Guarantors and such  Subsidiaries  and such approvals shall be in full force and
effect, and all applicable waiting periods shall have expired without any action
being taken or  threatened  by any  competent  authority  which would  restrain,
prevent or otherwise impose adverse conditions on this Agreement and the actions
contemplated  hereby.  The  Administrative  Agent  shall be  satisfied  that the
consummation of the Closing Date  Acquisition does not contravene any law or any
contractual  restriction binding on or affecting the Borrower or any Subsidiary,
the Sellers or any other party to the Closing Date Acquisition Instruments.

         (l)  Material  Contracts.  The  Borrower  shall have  delivered  to the
Administrative Agent copies of all material contracts, agreements or instruments
listed on the attached Schedule 4.21.

         (m) Notice of Borrowing. The Administrative Agent shall have received a
Notice of Borrowing from the Borrower in the form of Exhibit G, with appropriate
insertions  and  executed  by a  duly  authorized  Responsible  Officer  of  the
Borrower.

         (n) Closing Date  Acquisition.  All conditions to the  consummation and
effectiveness  of the Closing  Date  Acquisition  (other than the payment of the
purchase price) shall have been met. Furthermore, the Administrative Agent shall
have  received  (i) payoff  letters,  if any, in form and  substance  reasonably
satisfactory to the Administrative Agent covering all Debt secured by liens that
encumber any of the Properties being purchased by the Borrower under the Closing
Date Acquisition and (ii) UCC financing  statement  terminations,  deed of trust
and  mortgage  lien  releases  and other  evidence  reasonably  required  by the
Administrative  Agent  indicating  that all liens  encumbering  the  Acquisition
Assets to be acquired by the Borrower and its Subsidiaries  have been terminated
or released.

         (o) USA Patriot Act. The Borrower has  delivered to each Lender that is
subject to the Act such information  requested by such Lender in order to comply
with the Act.

         (p) Hydrocarbon Hedge Agreements.  The Borrower shall have entered into
Hydrocarbon  Hedge  Agreements  covering  notional volumes at least equal to the
minimum volumes set forth on Schedule 3.01(p) and establishing  pricing at least
equal to the minimum prices set forth on such Schedule 3.01(p).

         (q) Minimum Liquidity.  The sum of the Borrower's unrestricted cash and
Unused  Commitment  Amount as of the  Closing  Date after  giving  effect to the
Closing Date  Acquisition  and the Borrowings  requested and made on the Closing
Date shall be at least $15,000,000.

         (r)  Subordinated  Debt.  (i) The Borrower  shall have entered into the
Subordinated  Credit Agreement,  (ii) the terms and conditions  thereof shall be
reasonably  satisfactory to the Administrative  Agent and the Lenders, and (iii)
the conditions  precedent set forth in Section 3.01 of the  Subordinated  Credit
Agreement  shall  contemporaneously  herewith  have been  satisfied or waived in
writing as of the date hereof.  The Borrower shall have delivered  copies of the
Subordinated Credit Agreement and each other agreement,  instrument, or document


                                       50


executed by the Borrower or any of its Subsidiaries or any of their  Responsible
Officers at any time in connection with the Subordinated  Credit Agreement on or
before the date hereof.

         Section 3.02 Conditions Precedent to All Borrowings.  The obligation of
each  Lender to make an Advance on the  occasion  of each  Borrowing  and of the
Issuing  Lender to issue,  increase,  or extend  any  Letter of Credit  shall be
subject to the further  conditions  precedent that on the date of such Borrowing
or the date of the issuance, increase, or extension of such Letter of Credit:

         (a) the following  statements  shall be true (and each of the giving of
the applicable  Notice of Borrowing,  Notice of Conversion or  Continuation,  or
Letter of Credit  Application and the acceptance by the Borrower of the proceeds
of such  Borrowing  or the  issuance,  increase,  or extension of such Letter of
Credit shall  constitute a  representation  and warranty by the Borrower that on
the  date of such  Borrowing  or on the  date of  such  issuance,  increase,  or
extension of such Letter of Credit, as applicable, such statements are true):

              (i) the representations and warranties  contained in Article IV of
this Agreement and the representations and warranties  contained in the Security
Instruments,  the Guaranties,  and each of the other Loan Documents are true and
correct in all material  respects on and as of the date of such Borrowing or the
date of the issuance,  increase,  or extension of such Letter of Credit,  before
and after giving  effect to such  Borrowing  or to the  issuance,  increase,  or
extension of such Letter of Credit and to the  application  of the proceeds from
such Borrowing, as though made on and as of such date; and

              (ii) no Default has  occurred  and is  continuing  or would result
from such Borrowing or from the application of the proceeds therefrom,  or would
result from the issuance, increase, or extension of such Letter of Credit; and

         (b) the Administrative  Agent shall have received such other approvals,
opinions,   or  documents  reasonably  deemed  necessary  or  desirable  by  the
Administrative  Agent as a result of  circumstances  occurring after the date of
this Agreement.

                                   ARTICLE IV
                         REPRESENTATIONS AND WARRANTIES

         The Borrower represents and warrants as follows:

         Section  4.01  Existence;  Subsidiaries.  The  Borrower  is  a  limited
partnership duly organized, validly existing and in good standing under the laws
of Delaware  and in good  standing  and  qualified  to do business in each other
jurisdiction where its ownership or lease of Property or conduct of its business
requires such qualification.  Each Subsidiary of the Borrower is duly organized,
validly  existing,  and in good standing under the laws of its  jurisdiction  of
formation and in good standing and qualified to do business in each jurisdiction
where its  ownership  or lease of Property or conduct of its  business  requires
such  qualification.  The General  Partner is a limited  liability  company duly
organized,  validly existing and in good standing under the laws of Delaware and
in good  standing and  qualified to do business in each  jurisdiction  where its
ownership  or lease  of  Property  or  conduct  of its  business  requires  such


                                       51


qualification.  As of the date of this  Agreement,  Schedule 4.01 sets forth the
capital structure of the Borrower and the Subsidiaries of the Borrower.

         Section 4.02 Power.  The execution,  delivery,  and  performance by the
Borrower of this Agreement,  the Notes, and the other Loan Documents to which it
is a party and by the  Guarantors of the Guaranties and the other Loan Documents
to which they are a party and the consummation of the transactions  contemplated
hereby and thereby (a) are within the Borrower's and such Guarantors'  governing
powers, (b) have been duly authorized by all necessary  governing action, (c) do
not contravene (i) the Borrower's or any Guarantor's  certificate or articles of
incorporation,  bylaws,  limited liability company  agreement,  or other similar
governance  documents or (ii) any law or any contractual  restriction binding on
or  affecting  the  Borrower  or any  Guarantor,  and (d) will not  result in or
require the creation or imposition of any Lien prohibited by this Agreement.  At
the time of each Advance and the issuance,  extension or increase of a Letter of
Credit,  such Advance and such Letter of Credit,  and the use of the proceeds of
such Advance and such Letter of Credit, will be within the Borrower's  governing
powers,  will have been duly authorized by all necessary  governing action, will
not contravene (i) the Borrower's  articles or certificate of  incorporation  or
other  organizational  documents or (ii) any law or any contractual  restriction
binding on or  affecting  the  Borrower  and will not  result in or require  the
creation or imposition of any Lien prohibited by this Agreement.

         Section  4.03   Authorization   and  Approvals.   No  consent,   order,
authorization,  or approval or other action by, and no notice to or filing with,
any  Governmental  Authority  or any  other  Person  is  required  for  the  due
execution,  delivery,  and  performance by the Borrower of this  Agreement,  the
Notes,  or the other Loan  Documents to which the Borrower is a party or by each
Guarantor of its Guaranty or the other Loan  Documents to which it is a party or
the consummation of the transactions contemplated thereby. No consents, licenses
and approvals are required in accordance with applicable Legal Requirements,  or
in accordance with any document,  agreement,  instrument or arrangement to which
the Borrower, the Guarantors,  and their respective  Subsidiaries is a party, in
connection   with   the   execution,   delivery,   performance,   validity   and
enforceability of the Closing Date Acquisition Instruments.  At the time of each
Borrowing  and each  issuance,  increase or extension of a Letter of Credit,  no
authorization  or approval or other  action by, and no notice to or filing with,
any Governmental Authority will be required for such Borrowing or such issuance,
increase or  extension  of such  Letter of Credit or the use of the  proceeds of
such Borrowing or such Letter of Credit.

         Section 4.04 Enforceable  Obligations.  This Agreement,  the Notes, and
the  other  Loan  Documents  to which  the  Borrower  is a party  have been duly
executed and  delivered by the  Borrower and the  Guaranties  and the other Loan
Documents  to which  each  Guarantor  is a party  have  been duly  executed  and
delivered  by such  Guarantors.  Each Loan  Document  is the legal,  valid,  and
binding  obligation  of the  Borrower and any  Guarantor  which is a party to it
enforceable  against the Borrower and each such Guarantor in accordance with its
terms,   except  as  such  enforceability  may  be  limited  by  any  applicable
bankruptcy,  insolvency,  reorganization,  moratorium,  or similar law affecting
creditors' rights generally and by general principles of equity.

         Section 4.05 Financial Statements.

                                       52


         (a) The Borrower  has  delivered  to the  Administrative  Agent and the
Lenders copies of the Financial Statements, and the Financial Statements present
fairly the  financial  condition  of Borrower and its  Subsidiaries  as of their
respective dates and for their respective periods in accordance with GAAP. As of
the  date  of the  Financial  Statements,  there  were  no  material  contingent
obligations, liabilities for taxes, unusual forward or long-term commitments, or
unrealized or anticipated losses of the Borrower, except as disclosed therein in
accordance  with GAAP and  adequate  reserves  for such  items have been made in
accordance with GAAP.

         (b) All  projections,  estimates,  and pro forma financial  information
furnished  by the  Borrower  were  prepared on the basis of  assumptions,  data,
information,  tests,  or  conditions  believed to be reasonable at the time such
projections, estimates, and pro forma financial information were furnished.

         (c)  Since  the  date  of  the  Financial   Statements,   no  event  or
circumstance  that could  reasonably  be  expected  to cause a Material  Adverse
Change has occurred.

         (d) As of the date of this  Agreement  and after  giving  effect to the
Closing Date  Acquisition  but before giving effect to the making of the initial
Advances or the issuance of the initial Letters of Credit,  neither the Borrower
nor any of its  Subsidiaries has any Debt other than the Debt listed on Schedule
4.05.

         Section  4.06 True and  Complete  Disclosure.  All factual  information
(excluding  estimates and projections  such as the Projections and the estimates
and   projections   contained  in  the   Engineering   Reports)   heretofore  or
contemporaneously  furnished  by or on  behalf  of  the  Borrower  or any of the
Guarantors in writing to any Lender or the Administrative  Agent for purposes of
or in connection with this Agreement, any other Loan Document or any transaction
contemplated  hereby or  thereby  is,  and all other  such  factual  information
hereafter  furnished  by or on  behalf of the  Borrower  and the  Guarantors  in
writing to the  Administrative  Agent or any of the  Lenders  shall be, true and
accurate in all material  respects on the date as of which such  information  is
dated or certified and does not contain any untrue  statement of a material fact
or omit to state any material fact  necessary to make the  statements  contained
therein not misleading at such time. All projections and estimates  furnished by
the Borrower (including,  without limitation,  the Projections and all estimates
and projections contained in the Engineering Reports) were prepared on the basis
of  assumptions,  data,  information,   tests,  or  conditions  believed  to  be
reasonable  at the time such  projections,  estimates,  and pro forma  financial
information  were  furnished.  This Section 4.06 shall not be  applicable to the
Financial Statements as to which the representations and warranties set forth in
Section 4.05 shall be applicable.

         Section 4.07 Litigation; Compliance with Laws.

         (a) Other than as set forth in Schedule  4.07,  there is no pending or,
to the best knowledge of the Borrower, threatened action or proceeding affecting
the Borrower or any of the Guarantors before any court,  Governmental  Authority
or arbitrator  which could  reasonably  be expected to cause a Material  Adverse
Change or which  purports to affect the legality,  validity,  binding  effect or
enforceability  of  this  Agreement,  any  Note,  or any  other  Loan  Document.
Additionally,  there is no pending or, to the best  knowledge  of the  Borrower,


                                       53


threatened  action or proceeding  instituted  against the Borrower or any of the
Guarantors  which seeks to adjudicate  the Borrower or any of the  Guarantors as
bankrupt or  insolvent,  or seeking  liquidation,  winding  up,  reorganization,
arrangement,  adjustment,  protection, relief, or composition of it or its debts
under any law relating to bankruptcy,  insolvency or reorganization or relief of
debtors,  or seeking  the entry of an order for relief or the  appointment  of a
receiver,  trustee or other similar  official for it or for any substantial part
of its Property, to the extent required herein.

         (b) The Borrower  and its  Subsidiaries  have  complied in all material
respects with all material statutes, rules, regulations, orders and restrictions
of any  Governmental  Authority  having  jurisdiction  over the conduct of their
respective businesses or the ownership of their respective Property.

         Section 4.08 Use of Proceeds. The proceeds of the Advances will be used
by the Borrower for the purposes  described in Section 5.09. The Borrower is not
engaged in the business of  extending  credit for the purpose of  purchasing  or
carrying  margin stock (within the meaning of Regulation  U). No proceeds of any
Advance  will be used to  purchase  or carry any margin  stock in  violation  of
Regulation T, U or X.

         Section 4.09  Investment  Company Act.  Neither the Borrower nor any of
the  Guarantors  is an  "investment  company"  or a company  "controlled"  by an
"investment  company" within the meaning of the Investment  Company Act of 1940,
as amended.

         Section 4.10 Federal  Power Act. No Credit Party and no Subsidiary of a
Credit Party is subject to regulation under the Federal Power Act, as amended or
any other Legal  Requirement  which  regulates  the  incurring by such Person of
Debt,  including Legal Requirements  relating to common contract carriers or the
sale of electricity, gas, steam, water or other public utility services.

         Section 4.11 Taxes.

         (a) Reports and  Payments.  All Returns (as defined below in clause (c)
of this Section 4.11) required to be filed by or on behalf of the Borrower,  the
Guarantors, or any member of the Controlled Group (hereafter collectively called
the  "Tax  Group")  have  been  duly  filed on a  timely  basis  or  appropriate
extensions  have been  obtained and such Returns are and will be true,  complete
and  correct,  except  where the  failure  to so file  would  not be  reasonably
expected to cause a Material  Adverse Change;  and all Taxes shown to be payable
on the Returns or on subsequent  assessments with respect thereto will have been
paid in full on a timely  basis,  and no other  Taxes will be payable by the Tax
Group with respect to items or periods  covered by such Returns,  except in each
case to the extent of (i) reserves  reflected  in the  Financial  Statements  or
subsequent  financial statements delivered under Section 5.06 or (ii) taxes that
are being  contested in good faith.  The reserves for accrued Taxes reflected in
the  financial  statements  delivered to the Lenders  under this  Agreement  are
adequate in the aggregate  for the payment of all unpaid  Taxes,  whether or not
disputed,  for the period  ended as of the date thereof and for any period prior
thereto,  and for  which  the Tax  Group  may be  liable  in its own  right,  as
withholding  agent or as a  transferee  of the assets of, or  successor  to, any
Person,  except  for such  Taxes or  reserves  therefor,  the  failure to pay or
provide  for which  does not and would not  reasonably  be  expected  to cause a
Material Adverse Change.

                                       54


         (b) Taxes  Definition.  "Taxes"  in this  Section  4.11  shall mean all
taxes,  charges,  fees,  levies,  or other  assessments  imposed by any federal,
state,  local, or foreign taxing authority,  including  income,  gross receipts,
excise, real or personal property,  sales,  occupation,  use, service,  leasing,
environmental,   value  added,  transfer,  payroll,  and  franchise  taxes  (and
including  any  interest,  penalties,  or  additions to tax  attributable  to or
imposed on or with respect to any such assessment).

         (c) Returns  Definition.  "Returns" in this Section 4.11 shall mean any
federal,  state,  local, or foreign report,  estimate,  declaration of estimated
Tax,  information  statement  or return  relating to, or required to be filed in
connection  with,  any Taxes,  including any  information  return or report with
respect to backup withholding or other payments of third parties.

         Section 4.12 Pension Plans. All Plans are in compliance in all material
respects with all  applicable  provisions  of ERISA.  No  Termination  Event has
occurred  with  respect to any Plan,  and each Plan has  complied  with and been
administered in all material  respects in accordance with applicable  provisions
of ERISA and the Code.  No  "accumulated  funding  deficiency"  (as  defined  in
Section 302 of ERISA) has occurred,  and for plan years after December 31, 2007,
no unpaid minimum required contribution exists, and there has been no excise tax
imposed under  Section 4971 of the Code.  No Reportable  Event has occurred with
respect to any Multiemployer Plan, and each Multiemployer Plan has complied with
and been  administered  in all material  respects in accordance  with applicable
provisions of ERISA and the Code. The present value of all benefits vested under
each Plan (based on the  assumptions  used to fund such Plan) did not, as of the
last annual valuation date applicable thereto, exceed the value of the assets of
such Plan allocable to such vested benefits by more than $1,000,000. Neither the
Borrower  nor any member of the  Controlled  Group has had a complete or partial
withdrawal  from any  Multiemployer  Plan  for  which  there  is any  withdrawal
liability  in  excess  of  $1,000,000.  As of the  most  recent  valuation  date
applicable thereto,  neither the Borrower nor any member of the Controlled Group
would become subject to any liability under ERISA in excess of $1,000,000 if the
Borrower  or any member of the  Controlled  Group has  received  notice that any
Multiemployer Plan is insolvent or in  reorganization.  Based upon GAAP existing
as of the date of this Agreement and current factual circumstances, the Borrower
has no reason to believe that the annual cost during the term of this  Agreement
to the  Borrower  or any  member of the  Controlled  Group  for  post-retirement
benefits to be provided to the current and former  employees  of the Borrower or
any member of the  Controlled  Group under Plans that are welfare  benefit plans
(as defined in Section 3(1) of ERISA)  could,  in the  aggregate,  reasonably be
expected to cause a Material Adverse Change.

         Section 4.13  Condition of Property;  Casualties.  Each of the Borrower
and the Guarantors has good and defensible  title to all of its Properties  free
and clear of all Liens except for Permitted Liens. The material  Properties used
or to be used in the  continuing  operations  of the  Borrower  and  each of the
Guarantors are in good repair,  working order and  condition,  ordinary wear and
tear excepted. Since the date of the Financial Statements,  neither the business
nor the material Properties of the Borrower and each of the Guarantors, taken as
a whole,  has been  materially  and adversely  affected as a result of any fire,
explosion,  earthquake,  flood, drought,  windstorm,  accident,  strike or other
labor disturbance, embargo, requisition or taking of Property or cancellation of
contracts, Permits, or concessions by a Governmental Authority, riot, activities
of armed forces, or acts of God or of any public enemy.

                                       55


         Section 4.14 No Burdensome Restrictions; No Defaults.

         (a) Neither the Borrower nor any Guarantor is a party to any indenture,
loan,  or credit  agreement  or any lease or other  agreement or  instrument  or
subject to any charter or corporate restriction or provision of applicable Legal
Requirement  that could  reasonably  be  expected  to cause a  Material  Adverse
Change.  Neither the Borrower nor any of its Subsidiaries is in default under or
with respect to any contract, agreement, lease, or other instrument to which the
Borrower or any Subsidiary is a party and which could  reasonably be expected to
cause a Material  Adverse  Change or under any agreement in connection  with any
Debt.  Neither the Borrower nor any of its  Subsidiaries has received any notice
of default under any material contract, agreement, lease, or other instrument to
which the Borrower or such Subsidiary is a party.

         (b) No Default has occurred and is continuing.

         Section 4.15 Environmental Condition.

         (a) Permits,  Etc. The  Borrower and the  Guarantors,  or to the extent
that the right of operation is vested in others, such operators on behalf of the
Borrower  and the  Guarantors,  (i)  have  obtained  all  Environmental  Permits
necessary for the ownership and operation of their respective Properties and the
conduct of their respective  businesses  except where the failure to obtain such
Environmental  Permit  could not  reasonably  be  expected  to cause a  Material
Adverse Change; (ii) have at all times been and are in compliance with all terms
and  conditions  of such Permits and with all other  requirements  of applicable
Environmental  Laws  except  where the  failure  to be in  compliance  could not
reasonably  be  expected  to cause a  Material  Adverse  Change;  (iii) have not
received  notice  of  any  material   violation  or  alleged  violation  of  any
Environmental  Law or  Permit;  and  (iv)  are  not  subject  to any  actual  or
contingent  Environmental  Claim,  which could reasonably be expected to cause a
Material Adverse Change.

         (b) Certain  Liabilities.  To the Borrower's actual knowledge,  none of
the  present or  previously  owned or operated  Property of the  Borrower or any
Guarantor or of any of their former Subsidiaries, wherever located: (i) has been
placed  on or  proposed  to be  placed  on the  National  Priorities  List,  the
Comprehensive  Environmental  Response Compensation Liability Information System
list,  or their state or local  analogs,  or have been  otherwise  investigated,
designated,  listed, or identified as a potential site for removal, remediation,
cleanup, closure, restoration, reclamation, or other response activity under any
Environmental  Laws;  (ii) is subject to a Lien,  arising under or in connection
with any  Environmental  Laws,  that attaches to any revenues or to any Property
owned or operated by the Borrower or any of the  Guarantors,  wherever  located,
which could reasonably be expected to cause a Material Adverse Change;  or (iii)
has been the site of any Release of Hazardous  Substances  or  Hazardous  Wastes
from  present  or  past  operations  which  has  caused  at the  site  or at any
third-party  site any  condition  that has  resulted in or could  reasonably  be
expected to result in the need for Response that would cause a Material  Adverse
Change.

         (c) Certain Actions.  Without limiting the foregoing: (i) all necessary
notices  have been  properly  filed,  and no further  action is  required  under
current  Environmental  Law as to each Response or other restoration or remedial
project  undertaken by the Borrower or the Guarantors (or to the extent that the


                                       56


right of operation is vested in others,  undertaken by such  operators on behalf
of the Borrower or the Guarantors),  or any of their former  Subsidiaries on any
of their  presently or formerly owned or operated  Property and (ii) the present
and, to the Borrower's knowledge,  future liability, if any, of the Borrower and
the Guarantors  which could  reasonably be expected to arise in connection  with
requirements  under  Environmental  Laws will not result in a  Material  Adverse
Change.

         Section 4.16 Permits,  Licenses,  Etc. The Borrower and the Guarantors,
or to the extent that the right of operation is vested in others, such operators
on  behalf of the  Borrower  and the  Guarantors,  possess  all  authorizations,
Permits,  licenses,  patents, patent rights or licenses,  trademarks,  trademark
rights,  trade name rights and  copyrights  which are material to the conduct of
their business. The Borrower and the Guarantors, or to the extent that the right
of operation is vested in others,  such  operators on behalf of the Borrower and
the  Guarantors,  manage and operate their business in all material  respects in
accordance with all applicable Legal Requirements and good industry practices.

         Section 4.17 Gas  Contracts.  Other than as set forth in Schedule 4.17,
neither the Borrower nor any of the Guarantors,  as of the date hereof and as of
the Closing  Date:  (a) is obligated  in any  material  respect by virtue of any
prepayment made under any contract  containing a  "take-or-pay"  or "prepayment"
provision or under any similar agreement to deliver  hydrocarbons  produced from
or  allocated  to any of the  Borrower's  and  its  Subsidiaries'  Oil  and  Gas
Properties at some future date without  receiving  full payment  therefor at the
time of delivery,  or (b) has produced gas, in any material amount,  subject to,
and none of the Borrower's and the Guarantors' Oil and Gas Properties is subject
to,  balancing  rights of third  parties or subject to  balancing  duties  under
governmental  requirements,  in each case other than in the  ordinary  course of
business and which prepayments and balancing  rights,  in the aggregate,  do not
result in the Borrower or any Guarantor  having net  aggregate  liability at any
time in excess of an amount equal to 1% of the Proven  Reserves  categorized  as
"proved,  developed and  producing" on the most recently  delivered  Engineering
Report.

         Section 4.18 Liens;  Titles,  Leases,  Etc. None of the Property of the
Borrower or any of the  Guarantors  is subject to any Lien other than  Permitted
Liens or Liens to be released  on the Closing  Date.  On the Closing  Date,  all
governmental  actions and all other filings,  recordings,  registrations,  third
party  consents and other  actions which are necessary to create and perfect the
Liens provided for in the Security Instruments will have been made, obtained and
taken in all relevant  jurisdictions.  All Leases and agreements for the conduct
of business of the Borrower and the Guarantors are valid and subsisting, in full
force and effect and there exists no default or event of default or circumstance
which  with the  giving of notice or lapse of time or both  would give rise to a
default under any such Leases or agreements  which could  reasonably be expected
to  cause  a  Material  Adverse  Change.  Neither  the  Borrower  nor any of the
Guarantors is a party to any agreement or arrangement (other than this Agreement
and the  Security  Instruments),  or  subject to any  order,  judgment,  writ or
decree,  which  either  restricts  or purports to restrict  its ability to grant
Liens to secure the Obligations against their respective assets or Properties.

         Section 4.19 Solvency and Insurance.  Before and after giving effect to
the making of the initial  Advances and after giving  effect to the Closing Date
Acquisition, each of the Borrower and its Subsidiaries is Solvent. Additionally,


                                       57


each of the Borrower and its Subsidiaries carry insurance required under Section
5.02.

         Section  4.20  Hydrocarbon  Hedge  Agreements.  The  Hydrocarbon  Hedge
Agreements  in effect on the Closing  Date meet the  minimum  volume and minimum
pricing requirements set forth in Section 3.01(p).

         Section 4.21 Material  Agreements.  Schedule 4.21 sets forth a complete
and  correct  list of all  material  agreements,  leases,  indentures,  purchase
agreements,  obligations  in respect of  letters  of credit,  guarantees,  joint
venture agreements, and other instruments in effect or to be in effect as of the
date hereof and as of the Closing  Date  (other than (a) the  Hydrocarbon  Hedge
Agreements  and (b) the Closing Date  Acquisition  Instruments  and any material
agreements or instruments disclosed therein) providing for, evidencing, securing
or otherwise relating to any Debt of the Borrower or any of the Guarantors,  and
all obligations of the Borrower or any of the Guarantors to issuers of surety or
appeal bonds issued for account of the Borrower or any such Guarantor,  and such
list  correctly  sets forth the names of the debtor or lessee  and  creditor  or
lessor  with  respect  to the Debt or  lease  obligations  outstanding  or to be
outstanding  and the Property  subject to any Lien  securing  such Debt or lease
obligation.  Also set forth on Schedule  4.21 is a complete  and correct list of
all material agreements and other instruments of the Borrower and the Guarantors
relating to the purchase, transportation by pipeline, gas processing, marketing,
sale and  supply of  natural  gas and  other  Hydrocarbons.  Except as  detailed
otherwise  in Schedule  4.21,  the  Borrower  has  heretofore  delivered  to the
Administrative  Agent and the Lenders a complete  and  correct  copy of all such
material credit agreements,  indentures, purchase agreements, contracts, letters
of credit, guarantees, joint venture agreements, or other instruments, including
any modifications or supplements thereto, as in effect on the date hereof and as
of the Closing Date.

                                   ARTICLE V
                              AFFIRMATIVE COVENANTS

         So  long  as any  Obligation  or any  Letter  of  Credit  shall  remain
outstanding, any Letter of Credit Exposure shall exist, or any Lender shall have
any Commitment hereunder, the Borrower agrees, unless the Required Lenders shall
otherwise consent in writing, to comply with the following covenants:

         Section 5.01 Compliance with Laws, Etc. The Borrower shall comply,  and
cause each of its  Subsidiaries  to comply,  in all material  respects  with all
Legal  Requirements.  Without  limiting  the  generality  and  coverage  of  the
foregoing,  the Borrower shall comply,  and shall cause each of its Subsidiaries
to comply, in all material  respects,  with all Environmental Laws and all laws,
regulations,  or directives  with respect to equal  employment  opportunity  and
employee  safety  in all  jurisdictions  in which  the  Borrower,  or any of its
Subsidiaries do business;  provided,  however,  that this Section 5.01 shall not
prevent the  Borrower or any of its  Subsidiaries  from,  in good faith and with
reasonable diligence, contesting the validity or application of any such laws or
regulations  by  appropriate  legal  proceedings.   Without  limitation  of  the
foregoing,  the Borrower shall, and shall cause each of its Subsidiaries to, (a)
maintain and possess all authorizations,  Permits, licenses,  trademarks,  trade
names,  rights and copyrights  which are material to the conduct of its business
and (b) obtain, as soon as practicable,  all consents or approvals required from


                                       58


the  United  States or any states of the  United  States (or other  Governmental
Authorities)  necessary to grant the Administrative Agent an Acceptable Security
Interest in the Borrower's and its Subsidiaries' Oil and Gas Properties.

         Section 5.02 Maintenance of Insurance.

         (a) The Borrower shall,  and shall cause each of its  Subsidiaries  to,
procure and maintain or shall cause to be procured and  maintained  continuously
in effect  policies of  insurance  in form and amounts and issued by  companies,
associations or  organizations  reasonably  satisfactory  to the  Administrative
Agent covering such  casualties,  risks,  perils,  liabilities and other hazards
reasonably required by the Administrative Agent, including business interruption
insurance.  In  addition,  the  Borrower  shall,  and  shall  cause  each of its
Subsidiaries to, comply with all requirements  regarding  insurance contained in
the Security Instruments.

         (b) All  certified  copies of policies  or  certificates  thereof,  and
endorsements  and  renewals  thereof  shall be  delivered to and retained by the
Administrative  Agent.  All  policies of insurance  shall  either have  attached
thereto  a  lender's   loss   payable   endorsement   for  the  benefit  of  the
Administrative  Agent,  as loss  payee in form  reasonably  satisfactory  to the
Administrative  Agent or shall name the  Administrative  Agent as an  additional
insured, as applicable. The Borrower shall furnish the Administrative Agent with
a  certificate  of  insurance  or a certified  copy of all policies of insurance
required.  All  policies  or  certificates  of  insurance  shall  set  forth the
coverage,  the limits of liability,  the name of the carrier, the policy number,
and the period of  coverage.  In addition,  all  policies of insurance  required
under the terms hereof shall contain an  endorsement or agreement by the insurer
that any loss  shall be  payable  in  accordance  with the terms of such  policy
notwithstanding  any act of negligence  of the Borrower,  or a Subsidiary or any
party holding under the Borrower or a Subsidiary which might otherwise result in
a forfeiture of the insurance and the further  agreement of the insurer  waiving
all rights of setoff,  counterclaim  or deductions  against the Borrower and its
Subsidiaries.  Without  limiting the  generality  of the  foregoing  provisions,
Administrative Agent will be named as an additional insured and will be provided
a waiver  of  subrogation  on the  Borrower's  general  liability  and  umbrella
policies.  All such policies shall contain a provision that  notwithstanding any
contrary agreements between the Borrower,  its Subsidiaries,  and the applicable
insurance company, such policies will not be canceled,  allowed to lapse without
renewal,  surrendered or amended (which provision shall include any reduction in
the scope or limits of coverage)  without at least 30 days' prior written notice
to the Administrative  Agent unless such is cancelled for non-payment of premium
and then the Administrative  Agent will be given 10 days notice of cancellation.
In the event that,  notwithstanding  the  "lender's  loss  payable  endorsement"
requirement of this Section 5.02, the proceeds of any insurance policy described
above  are  paid  to the  Borrower  or a  Subsidiary  and  any  Obligations  are
outstanding,  the Borrower  shall  deliver such  proceeds to the  Administrative
Agent immediately upon receipt.

         Section  5.03  Preservation  of  Existence,  Etc.  The  Borrower  shall
preserve  and  maintain,  and cause each of its  Subsidiaries  to  preserve  and
maintain,   its  partnership,   corporate  or  limited  liability  company,   as
applicable, existence, rights, franchises, and privileges in the jurisdiction of
its formation,  and qualify and remain qualified, and cause each such Subsidiary
to qualify and remain  qualified,  as a foreign entity in each  jurisdiction  in
which  qualification  is  necessary  or  desirable  in view of its  business and
operations or the ownership of its Properties,  and, in each case, where failure


                                       59


to qualify or preserve and maintain its rights and franchises  could  reasonably
be expected to cause a Material Adverse Change.

         Section  5.04  Payment  of  Taxes,  Etc.  The  Borrower  shall  pay and
discharge,  and cause each of its Subsidiaries to pay and discharge,  before the
same shall  become  delinquent,  (a) all taxes,  assessments,  and  governmental
charges or levies imposed upon it or upon its income or profits or Property that
are material in amount,  prior to the date on which penalties attach thereto and
(b) all lawful claims that are material in amount which, if unpaid, might by law
become a Lien upon its Property;  provided,  however,  that neither the Borrower
nor any such  Subsidiary  shall be  required to pay or  discharge  any such tax,
assessment, charge, levy, or claim which is being contested in good faith and by
appropriate  proceedings,  and with respect to which reserves in conformity with
GAAP have been provided.

         Section 5.05 Visitation Rights. At any reasonable time and from time to
time,  upon  reasonable   notice,  the  Borrower  shall,  and  shall  cause  its
Subsidiaries to, permit the Administrative  Agent and any Lender or any of their
respective agents or representatives  thereof, to (a) examine and make copies of
and abstracts from the records and books of account of, and visit and inspect at
their  reasonable  discretion  the  Properties  of,  the  Borrower  and any such
Subsidiary,  and (b) discuss the affairs,  finances and accounts of the Borrower
and any such Subsidiary with any of their respective officers or directors.

         Section 5.06 Reporting Requirements.  The Borrower shall furnish to the
Administrative Agent and each Lender (unless otherwise provided below):

         (a) Annual Financials.  As soon as available and in any event not later
than 120 days after the end of each  fiscal  year  (commencing  with fiscal year
ending December 31, 2007) of the Borrower and its consolidated  Subsidiaries (or
such later  date  authorized  by the SEC,  if  applicable;  provided  that,  the
Borrower  shall have  delivered  proper and timely notices of late filings filed
with the SEC and also delivered such to the Administrative  Agent and such later
date may not be a date later than 120 days after the end of such  fiscal  year):
(i) the Form 10-K filed with the SEC for such  fiscal  year end,  if any (ii) to
the extent not otherwise  provided in such Form 10-K, a copy of the annual audit
report  for such  year for the  Borrower  and  such  consolidated  Subsidiaries,
including  therein the Borrower's and such  consolidated  Subsidiaries'  balance
sheets  as of  the  end  of  such  fiscal  year  and  the  Borrower's  and  such
consolidated  Subsidiaries'  statements  of income,  cash  flows,  and  retained
earnings,  in each case certified by independent certified public accountants of
national  standing  reasonably   acceptable  to  the  Administrative  Agent  and
including any management  letters  delivered by such accountants to the Borrower
or any Subsidiary in connection with such audit;  provided that, with respect to
the fiscal year ending  December 31, 2007 only, the  requirements of this clause
(ii) with respect to such fiscal year shall be satisfied by  delivering  (A) the
annual audit report of APC and the related  financial  information  described in
this clause (ii) with respect to APC instead of the Borrower,  and (B) unaudited
financial  statements of the type  described in this clause (ii) with respect to
the Borrower for such period, (iii) a certificate of such accounting firm to the
Administrative  Agent and the Lenders stating that, in the course of the regular
audit of the business of the Borrower and its consolidated Subsidiaries (or APC,
if  applicable),  if any, which audit was conducted by such  accounting  firm in
accordance with generally accepted auditing standards,  such accounting firm has
obtained no knowledge that a Default has occurred and is  continuing,  or if, in


                                       60


the opinion of such accounting firm, a Default has occurred and is continuing, a
statement as to the nature thereof,  and (iv) a Compliance  Certificate executed
by a Responsible Officer of the Borrower;

         (b)  Quarterly  Financials.  As soon as available  and in any event not
later than 60 days after the end of each of the first three  fiscal  quarters of
each fiscal year  (commencing  with fiscal quarter ending March 31, 2008) of the
Borrower and its consolidated Subsidiaries (or such later date authorized by the
SEC, if applicable;  provided that the Borrower shall have delivered  proper and
timely notices of late filings filed with the SEC and also delivered such to the
Administrative  Agent and such  later  date may not be a date later than 90 days
after the end of such fiscal quarter):  (i) the Form 10-Q filed with the SEC for
such fiscal  quarter end, if any, (ii) to the extent not  otherwise  provided in
such Form 10-Q,  unaudited balance sheet and the unaudited statements of income,
cash flows, and retained  earnings of each such Person for the period commencing
at the end of the previous year and ending with the end of such fiscal  quarter,
all in reasonable  detail and duly certified  with respect to such  consolidated
statements   (subject  to  the  absence  of  footnotes  and  to  year-end  audit
adjustments) by a Responsible Officer of the Borrower as having been prepared in
accordance  with  GAAP;  and  (iii)  a  Compliance  Certificate  executed  by  a
Responsible Officer of the Borrower;

         (c) Oil and Gas Reserve Reports.

              (i) As soon as  available  but in any event on or before  February
28th (or 29th, as applicable) of each year, an  Independent  Engineering  Report
dated effective as of the immediately  preceding  December 31; provided that the
Independent  Engineering  Report due on February  29, 2008 shall be delivered in
accordance with Section 2.02(b)(i) hereof;

              (ii) As soon as  available  but in any event on or  before  August
31st of each year,  an Internal  Engineering  Report  dated  effective as of the
immediately preceding June 30;

              (iii) Such other information as may be reasonably requested by the
Administrative  Agent or any Lender with  respect to the Oil and Gas  Properties
included or to be included in the Borrowing Base;

              (iv) With the delivery of each  Engineering  Report, a certificate
from a Responsible  Officer of the Borrower  certifying that, to the best of his
knowledge  and in  all  material  respects:  (a)  (i)  the  factual  information
contained  in the  Engineering  Report and any other  information  delivered  in
connection therewith is true and correct in all material respects,  and (ii) all
estimates  and  projections  contained in the  Engineering  Report and any other
information  delivered  in  connection  therewith  was  prepared on the basis of
assumptions,  data, information,  tests, or conditions believed to be reasonable
at the time such Engineering Report or other information was delivered,  (b) the
Borrower or its Subsidiary, as applicable, owns good and defensible title to the
Oil and Gas Properties evaluated in such Engineering Report, and such Properties
are subject to an Acceptable Security Interest to the extent required herein and
are free of all Liens except for Permitted  Liens, (c) except as set forth on an
exhibit to the certificate,  on a net basis there are no Gas Imbalances, take or
pay or other prepayments with respect to its Oil and Gas Properties evaluated in
such  Engineering  Report  which  would  require  the  Borrower  or  any  of its
Subsidiaries to deliver  Hydrocarbons  produced from such Oil and Gas Properties


                                       61


at some future time without then or thereafter  receiving full payment therefor,
(d) none of its Oil and Gas Properties have been sold since the date of the last
Borrowing  Base  determination  except  as  set  forth  on  an  exhibit  to  the
certificate, which certificate shall list all of its Oil and Gas Properties sold
and in such detail as reasonably required by the Required Lenders,  (e) attached
to the certificate is a list of its Oil and Gas Properties  added to and deleted
from the immediately prior  Engineering  Report and a list showing any change in
working interest or net revenue interest in its Oil and Gas Properties occurring
and the reason for such change, (f) attached to the certificate is a list of all
Persons disbursing proceeds to the Borrower or to its Subsidiary, as applicable,
from its Oil and Gas Properties,  (g) except as set forth on a schedule attached
to the  certificate,  90% of the PV-10 of the Proven Reserves  evaluated by such
Engineering Report are pledged as Collateral for the Obligations and attached to
the  certificate is a schedule  detailing  compliance with Section 5.08, and (h)
attached  to the  certificate  is a monthly  cash flow  budget for the 12 months
following  the  delivery  of  such  certificate  setting  forth  the  Borrower's
projections  for  production  volumes,  revenues,  expenses,  taxes and budgeted
capital expenditures during such period;

              (d)  Production  Reports.  As soon as  available  and in any event
within 60 days after the end of each fiscal quarter,  commencing with the fiscal
quarter ending December 31, 2007, a report certified by a Responsible Officer of
the Borrower in form and  substance  satisfactory  to the  Administrative  Agent
prepared by the  Borrower  covering  each of the Oil and Gas  Properties  of the
Borrower and its Subsidiaries and detailing  quarterly on a field by field basis
(i) the production,  revenue,  and price  information  and associated  operating
expenses for each such  quarter,  (ii) any changes to any  producing  reservoir,
production equipment,  or producing well during each such quarter, which changes
could cause a Material Adverse Change,  and (iii) any sales of the Borrower's or
any Subsidiaries' Oil and Gas Properties during each such quarter;

              (e) Defaults.  As soon as practicable and in any event within five
days  after (i) the  occurrence  of any  Default or (ii) the  occurrence  of any
default under any instrument or document  evidencing Debt of the Borrower or any
Subsidiary,  in each case  known to any  officer of the  Borrower  or any of its
Subsidiaries which is continuing on the date of such statement, a statement of a
Responsible Officer of the Borrower setting forth the details of such Default or
default,  as applicable,  and the actions which the Borrower or such  Subsidiary
has taken and proposes to take with respect thereto;

              (f)  Quarterly  Hedging  Reports.  Within 60 days after the end of
each  calendar  quarter end, a statement  prepared by Borrower and  certified as
being true and correct in all material respects by a Responsible  Officer of the
Borrower,   (i)  setting  forth  in  reasonable  detail  all  Hydrocarbon  Hedge
Agreements to which any  production of oil, gas or other  Hydrocarbons  from the
Oil and Gas  Properties  of the Borrower and its  Subsidiaries  is then subject,
together  with a statement  of  Borrower's  position  with  respect to each such
Hydrocarbon Hedge Agreement,  provided, however, if the price of any of the oil,
gas or other  Hydrocarbons  produced from such Oil and Gas Properties is subject
to a Hydrocarbon  Hedge  Agreement,  then  Borrower  shall  promptly  notify the
Administrative  Agent and the Lenders if such  Hydrocarbon  Hedge  Agreement  is
terminated,  modified,  amended or altered  prior to the end of its  contractual
term, or if there is an amendment,  adjustment or  modification  of the price of
any of the  oil,  gas or  other  Hydrocarbons  produced  from  such  Oil and Gas


                                       62


Properties that is subject to or established by a Hydrocarbon  Hedge  Agreement,
and (ii) demonstrating the Borrower's compliance with Section 5.12 hereof.

         (g)  Termination  Events.  As soon as practicable  and in any event (i)
within  30 days  after  (A) the  Borrower  knows or has  reason to know that any
Termination Event described in clause (a) of the definition of Termination Event
with respect to any Plan has occurred,  or (B) the Borrower  acquires  knowledge
that any  member  of the  Controlled  Group  knows  that any  Termination  Event
described in clause (a) of the definition of  Termination  Event with respect to
any Plan has occurred,  and (ii) within 10 days after (A) the Borrower  knows or
has reason to know that any other Termination Event with respect to any Plan has
occurred,  or (B) the Borrower  acquires  knowledge  that any of its  Affiliates
knows that any other Termination Event with respect to any Plan has occurred,  a
statement of a Responsible  Officer of the Borrower  describing such Termination
Event and the action,  if any, which the Borrower or such Affiliate  proposes to
take with respect thereto;

         (h) Termination of Plans. Promptly and in any event within two Business
Days  after (i)  receipt  thereof  by the  Borrower  from the PBGC,  or (ii) the
Borrower  acquires  knowledge of any Controlled  Group member's  receipt thereof
from the PBGC, copies of each notice received by the Borrower or any such member
of the Controlled Group of the PBGC's intention to terminate any Plan or to have
a trustee appointed to administer any Plan;

         (i) Other ERISA Notices. Promptly and in any event within five Business
Days  after (i)  receipt  thereof  by the  Borrower  from a  Multiemployer  Plan
sponsor,  or (ii)  the  Borrower  acquires  knowledge  of any  Controlled  Group
member's  receipt  thereof from a  Multiemployer  Plan  sponsor,  a copy of each
notice received by the Borrower or any member of the Controlled Group concerning
the  imposition  or amount of withdrawal  liability  pursuant to Section 4202 of
ERISA;

         (j)  Environmental  Notices.  Promptly upon the receipt  thereof by the
Borrower  or any of its  Subsidiaries,  a copy of any form of  request,  notice,
summons or citation  received from the Environmental  Protection  Agency, or any
other Governmental Authority, concerning (i) violations or alleged violations of
Environmental  Laws, which seeks to impose liability  therefor and could cause a
Material Adverse Change, (ii) any action or omission on the part of the Borrower
or any  Subsidiary  or any of  their  former  Subsidiaries  in  connection  with
Hazardous Waste or Hazardous  Substances  which could  reasonably  result in the
imposition  of liability  therefor that could cause a Material  Adverse  Change,
including  any  information   request  related  to,  or  notice  of,   potential
responsibility  under  CERCLA,  or (iii)  concerning  the filing of a Lien upon,
against or in  connection  with the Borrower or any  Subsidiary  or their former
Subsidiaries, or any of their leased or owned Property, wherever located;

         (k) Other Governmental  Notices.  Promptly and in any event within five
Business Days after receipt thereof by the Borrower or any Subsidiary, a copy of
any notice,  summons,  citation, or proceeding seeking to modify in any material
respect, revoke, or suspend any material contract,  license, permit or agreement
with any Governmental Authority;

         (l) Material  Changes.  Prompt written notice of any condition or event
of which the Borrower has  knowledge,  which  condition or event has resulted or
may  reasonably  be expected to result in (i) a Material  Adverse  Change (other


                                       63


than global changes in the Oil and Gas Business or the world economy  generally)
or (ii) a breach of or  noncompliance  with any  material  term,  condition,  or
covenant  of  any  material  contract  to  which  the  Borrower  or  any  of its
Subsidiaries is a party or by which they or their Properties may be bound;

         (m) Disputes,  Etc.  Prompt written notice of (i) any claims,  legal or
arbitration  proceedings,  proceedings  before any  Governmental  Authority,  or
disputes,  or to the  knowledge of the  Borrower  threatened,  or affecting  the
Borrower,  or any of its  Subsidiaries  which,  if adversely  determined,  could
reasonably be expected to cause a Material Adverse Change, or any material labor
controversy  of which the  Borrower  or any of its  Subsidiaries  has  knowledge
resulting in or reasonably considered to be likely to result in a strike against
the Borrower or any of its  Subsidiaries and (ii) any claim,  judgment,  Lien or
other  encumbrance  (other than a Permitted  Lien) affecting any Property of the
Borrower or any Subsidiary if the value of the claim,  judgment,  Lien, or other
encumbrance affecting such Property shall exceed $1,000,000;

         (n) Other Accounting Reports.  Promptly upon receipt thereof, a copy of
each other  report or letter  submitted  to the  Borrower or any  Subsidiary  by
independent  accountants in connection with any annual, interim or special audit
made by them of the books of the  Borrower and its  Subsidiaries,  and a copy of
any response by the Borrower or any Subsidiary of the Borrower,  or the Board of
Managers (or other applicable  governing body) of the Borrower or any Subsidiary
of the Borrower, to such letter or report;

         (o) Notices Under Other Loan Agreements.  Promptly after the furnishing
thereof,  copies of any  statement,  report or notice  furnished  to any  Person
pursuant  to the  terms  of any  indenture,  loan or  credit  or  other  similar
agreement,  other than this Agreement and not otherwise required to be furnished
to the Lenders pursuant to any other provision of this Section 5.06;

         (p) SEC Filings.  Promptly after the sending or filing thereof,  copies
of all proxy material,  reports and other  information which the Borrower or any
of its  Subsidiaries  sends  to or files  with  the SEC or sends to the  limited
partners  of the  Borrower  or the  holders  of Equity  Interests  in any of its
Subsidiaries; and

         (q) Other Information.  Such other information  respecting the business
or Properties,  or the condition or operations,  financial or otherwise,  of the
Borrower or any of its  Subsidiaries,  as any Lender through the  Administrative
Agent may from time to time reasonably request.

The  Administrative  Agent  agrees to provide  the  Lenders  with  copies of any
material notices and information  delivered solely to the  Administrative  Agent
pursuant to the terms of this Agreement.

         Section 5.07  Maintenance  of Property.  Subject to Section  6.04,  the
Borrower  shall,  and shall cause each of its  Subsidiaries  to,  maintain their
owned, leased, or operated Property in good condition and repair,  ordinary wear
and tear excepted;  and shall  abstain,  and cause each of its  Subsidiaries  to
abstain from, knowingly or willfully permitting the commission of waste or other
injury,  destruction,  or  loss  of  natural  resources,  or the  occurrence  of
pollution,  contamination,  or any other  condition in, on or about the owned or
operated Property involving the Environment that could reasonably be expected to


                                       64


result in Response  activities and that could  reasonably be expected to cause a
Material Adverse Change.

         Section 5.08 Agreement to Pledge.  The Borrower shall,  and shall cause
each  Subsidiary to, grant to the  Administrative  Agent an Acceptable  Security
Interest in all personal Property of the Borrower or any Subsidiary now owned or
hereafter acquired,  and shall, and shall cause each Subsidiary to, grant to the
Administrative  Agent an  Acceptable  Security  Interest  in at least 90% of the
PV-10 of the Proven Reserves of the Borrower and its  Subsidiaries  based on its
most recently delivered Engineering Report.

         Section  5.09 Use of Proceeds.  The Borrower  shall use the proceeds of
the  Advances to (a) fund the  acquisition  of the  Acquisition  Assets from the
Sellers pursuant to the Closing Date Acquisition Instruments, (b) to finance the
acquisition, exploration, development, maintenance and production of Oil and Gas
Properties,  (c) fund Restricted  Payments which are permitted hereunder and (d)
other working capital and general  partnership  purposes,  including the cost of
entering into any Hydrocarbon Hedge Agreements  permitted hereby. The Letters of
Credit shall be used solely for the support of: (i) hedging obligations incurred
by Borrower and its  Subsidiaries in the ordinary  course of business,  and (ii)
other  obligations  incurred by Borrower  and its  Subsidiaries  in the ordinary
course of business.

         Section 5.10 Title Opinions. The Borrower shall from time to time after
March 31, 2008, upon the reasonable  request of the  Administrative  Agent, take
such  actions and execute and deliver  such  documents  and  instruments  as the
Administrative  Agent  shall  require to ensure  that the  Administrative  Agent
shall, at all times, have received  satisfactory title evidence  (including,  if
requested, supplemental or new title opinions addressed to it) covering at least
80% of the PV-10 of the Proven Reserves of the Borrower and its  Subsidiaries as
reasonably  determined by the Administrative Agent and at least 80% of the PV-10
of  the  Proven  Reserves  which  are  categorized  as  "proved,  developed  and
producing",  which title opinions  shall be in form and substance  acceptable to
the  Administrative  Agent in its sole  discretion  and shall  include  opinions
regarding the before  payout and after payout  ownership  interests  held by the
Borrower and the Borrower's  Subsidiaries,  for all wells located on the Oil and
Gas Properties  covered thereby as to the ownership of Oil and Gas Properties of
the Borrower and its Subsidiaries,  and reflecting that the Administrative Agent
has an  Acceptable  Security  Interest  in such  Oil and Gas  Properties  of the
Borrower and its Subsidiaries.

         Section 5.11 Further  Assurances;  Cure of Title Defects.  The Borrower
shall,  and shall cause each  Subsidiary  to, cure  promptly  any defects in the
creation  and  issuance  of the  Notes and the  execution  and  delivery  of the
Security  Instruments  and this Agreement.  The Borrower  hereby  authorizes the
Lenders or the Administrative Agent to file any financing statements without the
signature  of  the  Borrower  to  the  extent   permitted  by  applicable  Legal
Requirements  in order to perfect or maintain  the  perfection  of any  security
interest  granted under any of the Loan  Documents.  The Borrower at its expense
will,  and will cause each  Subsidiary to,  promptly  execute and deliver to the
Administrative  Agent upon  request  all such other  documents,  agreements  and
instruments  to comply with or accomplish  the  covenants and  agreements of the
Borrower or any Subsidiary,  as the case may be, in the Security Instruments and
this  Agreement,  or to further  evidence and more fully describe the collateral
intended as security  for the  Obligations,  or to correct any  omissions in the


                                       65


Security  Instruments,  or to state more fully the security  obligations set out
herein or in any of the Security Instruments, or to perfect, protect or preserve
any Liens created  pursuant to any of the Security  Instruments,  or to make any
recordings,  to file any notices or obtain any consents, all as may be necessary
or appropriate in connection  therewith or to enable the Administrative Agent to
exercise  and enforce its rights and remedies  with  respect to any  Collateral.
Within 30 days after (a) a request by the Administrative Agent or the Lenders to
cure any title  defects or exceptions  which are not  Permitted  Liens raised by
such information or (b) a notice by the  Administrative  Agent that the Borrower
has failed to comply with Section 5.10,  the Borrower  shall (i) cure such title
defects or exceptions which are not Permitted Liens or substitute acceptable Oil
and Gas  Properties  with no title  defects or  exceptions  except for Permitted
Liens  covering  Collateral  of an  equivalent  value  and (ii)  deliver  to the
Administrative Agent satisfactory title evidence (including  supplemental or new
title  opinions  meeting  the  foregoing  requirements)  in form  and  substance
acceptable to the Administrative Agent in its reasonable business judgment as to
the  Borrower's and its  Subsidiaries'  ownership of such Oil and Gas Properties
and the  Administrative  Agent's  Liens and  security  interests  therein as are
required to maintain compliance with Section 5.10.

         Section  5.12 Hedging  Arrangements.  The  Borrower  shall  maintain in
effect all of the Hydrocarbon Hedge Agreements required to be established on the
Closing Date pursuant to Section 3.01(p).

         Section 5.13 Deposit Accounts. The Borrower shall, and shall cause each
of its  Subsidiaries to, maintain their principal  operating  accounts and other
deposit accounts with the  Administrative  Agent or any Lender or any other bank
that has executed an account control agreement reasonably acceptable in form and
substance to the Administrative Agent.

         Section 5.14 Post-Closing Requirements.  On or prior to March 31, 2008,
the Borrower  shall satisfy each of the  requirements  set forth in that certain
Post-Closing  Agreement,  in each case to the satisfaction of the Administrative
Agent as set forth therein.

                                   ARTICLE VI
                               NEGATIVE COVENANTS

         So  long  as any  Obligation  or any  Letter  of  Credit  shall  remain
outstanding, any Letter of Credit Exposure shall exist, or any Lender shall have
any Commitment hereunder, the Borrower agrees, unless the Required Lenders shall
otherwise consent in writing, to comply with the following covenants:

         Section 6.01 Liens, Etc. The Borrower shall not create,  assume, incur,
or suffer to exist, or permit any of its Subsidiaries to create,  assume, incur,
or suffer to exist, any Lien on or in respect of any of its Property whether now
owned or hereafter acquired,  or assign any right to receive income, except that
the Borrower and its Subsidiaries may create,  incur, assume, or suffer to exist
(all of which shall be referred to as "Permitted Liens"):

         (a) Liens securing the Obligations;

         (b) Liens securing the Subordinated  Debt to the extent permitted under
the Intercreditor Agreement;

                                       66


         (c) purchase money Liens or purchase  money security  interests upon or
in any equipment  acquired or held by the Borrower or any of its Subsidiaries in
the ordinary  course of business  prior to or at the time of the  Borrower's  or
such Subsidiary's acquisition of such equipment;  provided that the Debt secured
by  such  Liens  (i) was  incurred  solely  for the  purpose  of  financing  the
acquisition of such equipment,  and does not exceed the aggregate purchase price
of such  equipment,  (ii) is secured only by such equipment and not by any other
assets of the  Borrower  and its  Subsidiaries,  and (iii) is not  increased  in
amount;

         (d) Liens for  taxes,  assessments,  or other  governmental  charges or
levies  not  yet due or that  (provided  foreclosure,  sale,  or  other  similar
proceedings  shall not have been initiated) are being contested in good faith by
appropriate proceedings,  and such reserve as may be required by GAAP shall have
been made therefor;

         (e)  Liens in  favor of  vendors,  carriers,  warehousemen,  repairmen,
mechanics, workmen, materialmen,  suppliers, laborers,  construction, or similar
Liens arising by operation of law in the ordinary  course of business in respect
of obligations that are not yet due or that are being contested in good faith by
appropriate  proceedings,  provided that such reserve as may be required by GAAP
shall have been made therefor;

         (f)  Liens  to  operators  and  non-operators   under  joint  operating
agreements arising in the ordinary course of the business of the Borrower or the
relevant  Subsidiary to secure amounts  owing,  which amounts are not yet due or
are being contested in good faith by appropriate proceedings, if such reserve as
may be required by GAAP shall have been made therefor;

         (g) royalties,  overriding royalties, net profits interests, production
payments,  reversionary  interests,  calls on production,  preferential purchase
rights and other burdens on or deductions from the proceeds of production,  that
do not  secure  Debt for  borrowed  money and that are  taken  into  account  in
computing the net revenue interests and working interests of the Borrower or any
of its Subsidiaries warranted in the Security Instruments;

         (h) Liens arising in the ordinary  course of business out of pledges or
deposits under  workers'  compensation  laws,  unemployment  insurance,  old age
pensions or other social security or retirement benefits, or similar legislation
or to secure public or statutory obligations of the Borrower;

         (i) Liens arising under operating  agreements,  unitization and pooling
agreements and orders,  Farmout agreements,  gas balancing  agreements and other
similar agreements,  in each case that are customary in the Oil and Gas Business
and that are entered into in the ordinary course of business that are taken into
account in  computing  the net revenue  interests  and working  interests of the
Borrower or any of its Subsidiaries  warranted in the Security  Instruments,  to
the extent that any such Lien  referred  to in this  clause does not  materially
impair the use of the  Property  covered by such Lien for the purposes for which
such Property is held by the Borrower or any Subsidiary or materially impair the
value of such Property subject thereto;

         (j) easements, rights-of-way, and other similar encumbrances, and minor
defects in the chain of title that are  customarily  accepted in the oil and gas
financing  industry,  none of which  interfere with the ordinary  conduct of the


                                       67


business of Borrower or any  Subsidiary or materially  detract from the value or
use of the Property to which they apply;

         (k) Liens in favor of landlords or lessors  under  operating  leases or
Capital  Leases of a Loan Party;  provided  that (i) any such Lien shall  secure
only the  obligations of such Loan Party arising under the applicable  operating
lease or Capital Lease, and (ii) the Debt under such Capital Leases is permitted
under Section 6.02 below;

         (l) Liens on cash or securities  pledged to secure performance of bids,
tenders,  performance bonds, surety and appeals bonds, or regulatory  compliance
or other  obligations  of a like  nature  incurred  in the  ordinary  course  of
business and not in connection with the borrowing of money;

         (m)  Liens in  favor of  collecting  or payor  banks  having a right of
setoff, revocation, refund or chargeback with respect to money or instruments of
any of the Company Group on deposit with or in possession of such bank;

         (n)  Liens on cash and  Liquid  Investments  securing  the  performance
obligations of Borrower under any Hedge Contract (subject to the limitations set
forth in Section 6.14);

         (o) Liens in favor of Persons  financing unpaid  insurance  premiums so
long as (i) such Liens are limited to insurance  policies  with respect to which
such premiums are financed,  and (ii) the  obligations  secured by such Liens do
not exceed $500,000 in the aggregate;

         (p)  Subject  to   paragraphs   (d)  and  (e)  of  this  Section  6.01,
non-consensual statutory Liens on pipeline or pipeline facilities,  Hydrocarbons
or  Properties  of the Company Group which arise out of operation of law and are
not in connection with the borrowing of money;

         (q) Liens described in Schedule 4.05; and

         (r) Liens resulting from any judgment or award that is not a Default or
Event of Default.

         Section 6.02 Debts,  Guaranties,  and Other  Obligations.  The Borrower
shall not,  and shall not permit any of its  Subsidiaries  to,  create,  assume,
suffer to exist,  or in any manner  become or be liable in respect  of, any Debt
except:

         (a) Debt of the Borrower and its Subsidiaries under the Loan Documents;

         (b) Debt of the Borrower and its  Subsidiaries  under the  Subordinated
Loan Documents;

         (c) Debt not  otherwise  permitted  by this  Section 6.02 and listed on
Schedule 4.05; provided that the amount of such Debt may not be increased;

         (d) Debt in the form of obligations for the deferred  purchase price of
Property or services  incurred in the ordinary  course of business which are not


                                       68


yet due  and  payable  or are  being  contested  in good  faith  by  appropriate
proceedings  and for which adequate  reserves in accordance  with GAAP have been
established;

         (e) Debt secured by the Liens  permitted under paragraph (c) of Section
6.01;  provided  that,  the sum of such Debt and other  unsecured Debt permitted
under paragraph 6.02(k) does not exceed $250,000 at any time;

         (f)  Debt  under   Hydrocarbon   Hedge  Agreements  or  Interest  Hedge
Agreements which are not prohibited by the terms of Section 6.14;

         (g) Debt  consisting of sureties or bonds provided to any  Governmental
Authority or other Person and assuring payment of contingent  liabilities of the
Borrower  in  connection  with  the  operation  of the Oil  and Gas  Properties,
including with respect to plugging,  facility removal and abandonment of its Oil
and Gas Properties;

         (h) Intercompany Debt;

         (i) Debt  constituting  letters of credit for the account of any member
of the Company  Group  provided as security  (i) for any matter  which is a Lien
permitted under  paragraphs (e), (l), (n) or (o) or Section 6.01;  provided that
the amount of such Debt shall not exceed the  obligations  secured by such Lien,
and (ii) to secure payment  obligations  in connection  with  self-insurance  or
similar requirements in the ordinary course of business;

         (j)  Debt  arising  from  the  honoring  by a bank or  other  financial
institution of a check, draft or similar  instrument drawn against  insufficient
funds in the ordinary course of business if extinguished within two (2) Business
Days of incurrence and does not exceed $50,000; and

         (k) Debt not otherwise permitted under this Section 6.02, provided that
(i) such Debt is not secured by any Lien,  and (ii) the  aggregate  of amount of
such Debt plus the aggregate  amount of Debt  permitted  under  Section  6.02(e)
shall not to exceed $250,000 at any time.

         Section  6.03  Agreements  Restricting  Liens  and  Distributions.  The
Borrower  shall not,  nor shall it permit any of its  Subsidiaries  to,  create,
incur, assume or permit to exist any contract, agreement or understanding (other
than  this  Agreement,  the  Security  Instruments  and  the  Subordinated  Loan
Documents)  which in any way  prohibits or restricts  the  granting,  conveying,
creation or imposition of any Lien on any of its Property,  whether now owned or
hereafter  acquired,  to secure the Obligations or restricts any Subsidiary from
paying dividends to the Borrower,  or which requires the consent of or notice to
other Persons in connection therewith.

         Section 6.04 Merger or Consolidation; Asset Sales.

         (a) The Borrower shall not, nor shall it permit any of its Subsidiaries
to merge or  consolidate  with or into any other Person other than the merger or
consolidation of a Loan Party with and into the Borrower or another Loan Party.

         (b) The Borrower shall not, nor shall it permit any of its Subsidiaries
to enter into or effect a Disposition of any of its  Properties  other than: (i)
the  sale  of  Hydrocarbons  in  the  ordinary  course  of  business,  (ii)  the
Disposition of equipment that is (A) obsolete,  worn out, depleted or uneconomic


                                       69


and disposed of in the ordinary course of business,  (B) no longer necessary for
the business of such Person or (C) contemporaneously replaced by equipment of at
least  comparable use, (iii) Farmouts of undeveloped  acreage and assignments in
connection  with such Farmouts,  (iv)  Dispositions of Oil and Gas Properties or
any interest therein or Subsidiaries owning Oil and Gas Properties provided that
(A) 100% of the  consideration  received in respect of such Disposition shall be
cash, (B) the  consideration  received in respect of such  Disposition  shall be
equal to or  greater  than the fair  market  value of the Oil and Gas  Property,
interest  therein or  Subsidiary  subject  of such  Disposition  (as  reasonably
determined  by the board of managers  or the  equivalent  governing  body of the
General  Partner  and, if requested by the  Administrative  Agent,  the Borrower
shall deliver a certificate of a Responsible  Officer of the Borrower certifying
to that effect),  (C) if such  Disposition of Oil and Gas Property or Subsidiary
owning  Oil  and  Gas  Properties   included  in  the  most  recently  delivered
Engineering   Report  during  any  period  between  two   successive   scheduled
redeterminations of the Borrowing Base has a fair market value (as determined by
the Administrative Agent),  individually or in the aggregate, in excess of 5% of
the  Borrowing  Base in effect at the time such  Disposition  is  effected,  the
Borrowing Base shall be reduced, effective immediately upon such Disposition, by
an amount equal to the value,  if any,  assigned  such Property as determined by
the Required Lenders in the most recently delivered  Engineering Report, and (D)
if any such Disposition is of a Subsidiary  owning Oil and Gas Properties,  such
Disposition  shall include all the Equity Interests of such Subsidiary;  (v) the
sale, release,  surrender (in accordance with the terms of the applicable lease)
or other disposition of leasehold interests in any Oil and Gas Property to which
no Proven Reserves are attributed,  (vi) Dispositions of Properties  between and
among Loan  Parties,  and (vii) any  Disposition  of  Properties  not  otherwise
regulated  by  Section  6.04(b)  and  having a fair  market  value not to exceed
$250,000 during any 12-month period.

         Section 6.05 Restricted Payments.  The Borrower shall not, nor shall it
permit any of its  Subsidiaries  to, make any  Restricted  Payments,  including,
without  limitation,  cash liquidated  damages  payments made pursuant to of the
Registration Rights Agreement, except that

         (a) any  Subsidiary  may  declare and make  Restricted  Payments to the
Borrower or any other Loan Party;

         (b) the Borrower may declare and pay quarterly  cash  distributions  to
its equity interest holders of Available Cash so long as before and after giving
effect to such distribution and any  redetermination  of the Borrowing Base as a
result of such  distribution  (i) no Default  exists and (ii) no Borrowing  Base
Deficiency  exists;  provided that no such distribution  shall be made using the
proceeds of any Advance unless the Unused Commitment Amount, as it may have been
calculated as a result of such distribution,  is greater than or equal to 10% of
the  lesser  of (A) the  then  effective  Borrowing  Base  or (B) the  aggregate
Commitments; and

         (c) to the extent  permitted  under the  Intercreditor  Agreement,  the
Borrower  may pay  principal  and  interest  due under the  Subordinated  Credit
Agreement  so long as before  and after  giving  effect to such  payment  (i) no
Default or Event of Default exists and (ii) no Borrowing Base Deficiency exists.

         Section 6.06  Investments.  The Borrower shall not, nor shall it permit
any of its  Subsidiaries  to,  make or permit to exist any loans,  advances,  or
capital contributions to, or make any investment in (including the making of any


                                       70


Acquisition), or purchase or commit to purchase any stock or other securities or
evidences of indebtedness of or interests in any Person, except:

         (a) Liquid Investments;

         (b)  trade  and  customer  accounts  receivable  which  are  for  goods
furnished  or services  rendered  in the  ordinary  course of  business  and are
payable in accordance with customary trade terms;

         (c) creation of any additional  Subsidiaries in compliance with Section
6.15;

         (d)  investments  in  negotiable  instruments  for  collection  in  the
ordinary course of business;

         (e) investments made in the ordinary course of business and of a nature
that is customary in the Oil and Gas Business as a means of actively exploiting,
exploring  for,  acquiring,  developing,  processing,  gathering,  marketing  or
transporting  oil  and  gas  through  agreements,   transactions,  interests  or
arrangements  which  provide for the sharing of risks or costs or satisfy  other
objectives of the Oil and Gas Business,  jointly with third  parties,  including
entering  into  operating  agreements,  working  interests,  royalty  interests,
mineral leases, processing agreements,  Farmouts,  farm-in agreements,  division
orders,  contracts for the sale,  transportation  or exchange of oil and natural
gas,  unitization  and pooling  declarations  and  agreements and area of mutual
interest agreements, production sharing agreements or other similar or customary
agreement,  transactions,  properties, interest and investments and expenditures
in  connection  therewith;  provided  that (i) no such  investments  includes an
investment  in any Equity  Interest in a Person,  (ii) any Debt incurred or Lien
granted  or  permitted  to  exist  pursuant  to such  Investments  is  otherwise
permitted  under  Section 6.01 and Section  6.02,  respectively,  and (iii) such
investments  are taken into account in computing  the net revenue  interests and
working  interests of the Borrower or any of its  Subsidiaries  warranted in the
Security Instruments;

         (f) Hedge Contracts to the extent permitted by Sections 6.02 and 6.14;

         (g) Investments in Intercompany Debt; and

         (h) Investments  not otherwise  permitted under this Section 6.06 in an
aggregate amount not to exceed $500,000.

         Section  6.07  Affiliate  Transactions.  Other  than  as set  forth  on
Schedule  6.07,  the  Borrower  shall  not,  nor  shall  it  permit  any  of its
Subsidiaries  to,  directly  or  indirectly,  enter  into or permit to exist any
transaction or series of transactions  (including the purchase,  sale,  lease or
exchange of Property, the making of any investment,  the giving of any guaranty,
the  assumption  of any  obligation or the rendering of any service) with any of
their  Affiliates  unless such transaction or series of transactions is on terms
no less favorable to the Borrower or the Subsidiary,  as applicable,  than those
that could be obtained in a comparable  arm's length  transaction  with a Person
that is not such an Affiliate.

                                       71


         Section 6.08 Compliance  with ERISA.  The Borrower shall not, nor shall
it permit any of its Subsidiaries to, directly or indirectly,  (a) engage in, or
permit any  Subsidiary  or ERISA  Affiliate  to engage in,  any  transaction  in
connection with which the Borrower,  any Subsidiary or any ERISA Affiliate could
be subjected to either a civil penalty assessed pursuant to section 502(c),  (i)
or (l) of ERISA or a tax  imposed by Chapter  43 of  Subtitle D of the Code,  in
either case, in excess of $1,000,000; (b) terminate, or permit any Subsidiary or
ERISA  Affiliate to  terminate,  any Plan in a manner,  or take any other action
with respect to any Plan,  which could result in any  liability to the Borrower,
any Subsidiary or any ERISA  Affiliate to the PBGC in excess of $1,000,000;  (c)
fail to make, or permit any Subsidiary or ERISA  Affiliate to fail to make, full
payment  when due of all  amounts  which,  under  the  provisions  of any  Plan,
agreement  relating thereto or applicable  Legal  Requirement,  the Borrower,  a
Subsidiary or any ERISA Affiliate is required to pay as  contributions  thereto;
(d) permit to exist,  or allow any  Subsidiary  or ERISA  Affiliate to permit to
exist,   any  accumulated   funding   deficiency  (or  unpaid  minimum  required
contribution  for plan years  after  December  31,  2007)  within the meaning of
Section  302 of ERISA or section 412 of the Code,  whether or not  waived,  with
respect to any Plan; (e) permit,  or allow any Subsidiary or ERISA  Affiliate to
permit,  the actuarial  present value of the benefit  liabilities (as "actuarial
present value of the benefit  liabilities"  shall have the meaning  specified in
section 4041 of ERISA) under any Plan maintained by the Borrower, any Subsidiary
or any ERISA  Affiliate which is regulated under Title IV of ERISA to exceed the
current value of the assets (computed on a plan termination  basis in accordance
with Title IV of ERISA) of such Plan  allocable to such benefit  liabilities  by
more than  $1,000,000;  (f)  contribute to or assume an obligation to contribute
to, or permit any  Subsidiary  or ERISA  Affiliate to contribute to or assume an
obligation to contribute to, any Multiemployer Plan in excess of $1,000,000; (g)
acquire,  or permit any Subsidiary or ERISA Affiliate to acquire, an interest in
any Person that causes such Person to become an ERISA  Affiliate with respect to
the Borrower,  any  Subsidiary or any ERISA  Affiliate if such Person  sponsors,
maintains or  contributes  to, or at any time in the six-year  period  preceding
such  acquisition  has  sponsored,   maintained,  or  contributed  to,  (1)  any
Multiemployer  Plan under which any Subsidiary or ERISA  Affiliate would have an
obligation to  contribute  more than  $1,000,000,  or (2) any other Plan that is
subject to Title IV of ERISA  under  which the  actuarial  present  value of the
benefit  liabilities  under such Plan  exceeds the  current  value of the assets
(computed on a plan  termination  basis in accordance with Title IV of ERISA) of
such Plan  allocable to such benefit  liabilities by more than  $1,000,000;  (h)
incur,  or permit any Subsidiary or ERISA  Affiliate to incur, a liability to or
on account of a Plan under section 515, 4062, 4063, 4064, 4201 or 4204 of ERISA;
(i)  contribute  to or assume an  obligation  to  contribute  to, or permit  any
Subsidiary  or ERISA  Affiliate  to  contribute  to or assume an  obligation  to
contribute to, any employee  welfare benefit plan, as defined in section 3(1) of
ERISA,  including  any such  plan  maintained  to  provide  benefits  to  former
employees of such entities, that may not be terminated by such entities in their
sole discretion at any time without any material liability;  (j) amend or permit
any  Subsidiary or ERISA  Affiliate to amend, a Plan resulting in an increase in
current liability such that the Borrower,  any Subsidiary or any ERISA Affiliate
is required to provide  security to such Plan under  section  401(a)(29)  of the
Code; or (k) permit to exist any occurrence of any Reportable  Event (as defined
in Title IV of  ERISA),  or any  other  event or  condition,  which  presents  a
material (in the opinion of the Required  Lenders) risk of such a termination by
the PBGC of any Plan.

         Section 6.09  Sale-and-Leaseback.  The Borrower shall not, nor shall it
permit any of its  Subsidiaries  to, sell or  transfer to a Person any  Property
(other than with respect to Property that is permitted to be sold or transferred


                                       72


pursuant to Section 6.04),  whether now owned or hereafter  acquired,  if at the
time or  thereafter  the  Borrower  or a  Subsidiary  shall lease as lessee such
Property  or any  part  thereof  or  other  Property  which  the  Borrower  or a
Subsidiary  intends to use for  substantially  the same  purpose as the Property
sold or transferred.

         Section 6.10 Change of Business.  The Borrower  shall not, nor shall it
permit any of its  Subsidiaries to, make any material change in the character of
its business as an independent oil and gas  exploration and production  company,
nor will the  Borrower  or any  Subsidiary  operate or carry on  business in any
jurisdiction other than the United States or Canada.

         Section 6.11 Organizational  Documents, Name Change. The Borrower shall
not, nor shall it permit any of its Subsidiaries to, amend,  supplement,  modify
or restate their  articles or  certificate  of  incorporation,  bylaws,  limited
liability company agreements,  or other equivalent  organizational  documents or
amend its name or change its  jurisdiction  of  incorporation,  organization  or
formation,  in any case,  without prior written notice to, and prior consent of,
the Administrative Agent.

         Section 6.12 Use of Proceeds;  Letters of Credit. The Borrower will not
permit  the  proceeds  of any  Advance  or  Letters of Credit to be used for any
purpose other than those permitted by Section 5.09. The Borrower will not engage
in the business of extending  credit for the purpose of  purchasing  or carrying
margin stock (within the meaning of Regulation  U). Neither the Borrower nor any
Person acting on behalf of the Borrower has taken or shall take,  nor permit any
of the Borrower's  Subsidiaries  to take any action which might cause any of the
Loan  Documents to violate  Regulation T, U or X or any other  regulation of the
Board of Governors of the Federal  Reserve System or to violate Section 7 of the
Securities  Exchange Act of 1934 or any rule or regulation  thereunder,  in each
case as now in effect or as the same may hereinafter be in effect, including the
use of the proceeds of any Advance or Letters of Credit to purchase or carry any
margin stock in violation of Regulation T, U or X.

         Section 6.13 Gas  Imbalances,  Take-or-Pay  or Other  Prepayments.  The
Borrower  shall not, nor shall it permit any of its  Subsidiaries  to, allow Gas
Imbalances,  take-or-pay  or other  prepayments  with respect to the Oil and Gas
Properties of the Borrower or any Subsidiary which would require the Borrower or
any Subsidiary to deliver their  respective  Hydrocarbons  produced on a monthly
basis from such Oil and Gas  Properties  at some  future  time  without  then or
thereafter   receiving  full  payment   therefor  other  than  Gas   Imbalances,
take-or-pay or other prepayments incurred in the ordinary course of business and
which Gas Imbalances, take-or-pay, or other prepayments and balancing rights, in
the  aggregate,  do not  result in the  Borrower  or any  Guarantor  having  net
aggregate liability at any time in excess of an amount equal to 1% of the Proven
Reserves that are  categorized as "proved , developed and producing" on the most
recently delivered Engineering Report.

         Section 6.14  Limitation on Hedging.  The Borrower shall not, nor shall
it permit any of its Subsidiaries to:

         (a) purchase, assume, or hold a speculative position in any commodities
market or  futures  market  or enter  into any Hedge  Contract  for  speculative
purposes;

                                       73


         (b)  be  party  to  or  otherwise  enter  into  any  Hydrocarbon  Hedge
Agreement,  Interest  Hedge  Agreement or any other Hedge  Contract which (i) is
entered into for reasons other than as a part of its normal business  operations
as a risk management strategy and/or hedge against changes resulting from market
conditions related to the Borrower's  operations,  (ii) fixes a price for a term
of more  than 5 years,  (iii)  that  covers  notional  volumes  in excess of the
greater  of (A) 90% of the  anticipated  production  volumes  of  crude  oil and
natural gas, calculated separately,  attributable to Proven Reserves categorized
as "proved,  developing and producing" of such Loan Party during the period such
hedge  arrangement  is in  effect  as  shown  on  the  most  recently  delivered
Independent Engineering Report (or such separate or supplemental reserve data or
other information acceptable to the Administrative Agent in its sole discretion)
and (B) 85% of the anticipated  production volumes of crude oil and natural gas,
calculated  separately,  attributable  to the total Proven Reserves of such Loan
Party during the period such hedge arrangement is in effect as shown on the most
recently  delivered   Independent   Engineering  Report  (or  such  separate  or
supplemental reserve data or other information  acceptable to the Administrative
Agent in its sole  discretion),  (iv)  except for (A) the  Collateral  under the
Security  Instruments  with  respect  to  Lender  Hedging  Obligations,  (B) the
Subordinated Collateral under the Subordinated Security Instruments with respect
to  Subordinated  Lender  Hedging  Obligations,  and (C) letters of credit up to
$500,000 in the aggregate with respect to Hedge Contracts entered into from time
to time with a counterparty that is not a Lender or a Subordinated  Lender or an
Affiliate of a Lender or a Subordinated Lender,  requires such Loan Party to put
up money,  assets,  or other  security  against the event of its  nonperformance
prior to  actual  default  by such  Loan  Party in  performing  its  obligations
thereunder,  or (iv) is with a counterparty or has a guarantor of the obligation
of the  counterparty  who (unless  such  counterparty  is a Lender or one of its
Affiliates)  at the time the contract is made has  long-term  obligations  rated
less than A- or A3, respectively,  by Standard & Poor's Ratings Group or Moody's
Investors Service, Inc; or

         (c) allow the  aggregate  monthly  production  of crude oil and natural
gas, calculated  separately  (determined,  in the case of contracts that are not
settled on a monthly  basis,  by a monthly  proration  reasonably  acceptable to
Administrative  Agent),  for any  single  month  during  the  period  such hedge
arrangements  are in  effect  to be less  than the  aggregate  notional  volumes
covered by any  Hydrocarbon  Hedge  Agreements,  Interest  Hedge  Agreements  or
similar hedge arrangements;  provided that if such production  deficiency is the
result of a force majeure event, such production deficiency shall not constitute
a breach hereunder  unless such production  deficiency shall be continuing for a
period of more than three months.

         Section 6.15 Additional Subsidiaries. The Borrower shall not, nor shall
it  permit  any of  its  Subsidiaries  to,  create  or  acquire  any  additional
Subsidiaries  without (a) prior written notice to the  Administrative  Agent and
the Required  Lenders,  (b) such new Subsidiary  executing and delivering to the
Administrative  Agent,  at its  request,  a  Guaranty,  a Pledge  Agreement  (if
applicable), a Security Agreement and a Mortgage (if applicable), and such other
Security  Instruments as the  Administrative  Agent or the Required  Lenders may
reasonably  request,  (c) the equity  holder of such  Subsidiary  executing  and
delivering to the  Administrative  Agent a Pledge Agreement pledging 100% of the
Equity  Interest owned by such equity holder of such  Subsidiary  along with the
certificates pledged thereby, if any, and appropriately executed stock powers in
blank,  if applicable,  and (d) the delivery by the Borrower and such Subsidiary


                                       74


of any certificates,  opinions of counsel,  title opinions or other documents as
the Administrative Agent may reasonably request relating to such Subsidiary.

         Section 6.16  Account  Payables.  The Borrower  shall not, nor shall it
permit any of its  Subsidiaries  to,  allow any of its trade  payables  or other
accounts  payable to be  outstanding  for more than 90 days beyond the date when
due  (except in cases  where any such trade  payable is being  disputed  in good
faith and adequate reserves under GAAP have been established).

         Section 6.17 Current Ratio.  The Borrower  shall not permit,  as of the
end of any fiscal quarter,  the ratio of (a) its consolidated  current assets to
(b) its  consolidated  current  liabilities,  to be less than 1.00 to 1.00.  For
purposes of this calculation, (i) "current assets" shall include, as of the date
of calculation, the aggregate Unused Commitment Amounts but shall exclude, as of
the date of  calculation  (A) any cash  deposited  with or at the  request  of a
counterparty  to any Hedge Contract and (B) any assets  representing a valuation
account  arising from the  application  of SFAS 133 and 143,  and (ii)  "current
liabilities"  shall  exclude,  as of the date of  calculation,  (A) the  current
portion of  long-term  Debt and (B) any  liabilities  representing  a  valuation
account arising from the application of SFAS 133 and 143.

         Section  6.18  Interest  Coverage  Ratio.  The  Borrower  (a) shall not
permit,  as of the fiscal quarter ending December 31, 2007, the ratio of (i) the
consolidated  EBITDA of the Borrower  calculated  for the three fiscal  quarters
then ended, to (ii) the  consolidated  Interest  Expense of the Borrower for the
three fiscal  quarters then ended,  to be less than 2.50 to 1.00;  and (b) shall
not permit,  as of the end of each fiscal  quarter  ending on or after March 31,
2008, the ratio of (i) the  consolidated  EBITDA of the Borrower  calculated for
the four fiscal quarters then ended, to (ii) the  consolidated  Interest Expense
of the Borrower for the four fiscal quarters then ended, to be less than 2.50 to
1.00.

         Section  6.19   Initial   Acquisition   Instruments/Private   Placement
Documents.  The Borrower shall not, nor shall it permit any of its  Subsidiaries
to,  modify,  amend,  supplement  or  replace,  any of the  Initial  Acquisition
Instruments  or the  Private  Placement  Documents,  in any  respect  that would
adversely  affect  the  Lenders  or  the  Borrower's   ability  to  perform  the
Obligations,  without the prior written consent of the Administrative  Agent and
the Required Lenders.

         Section 6.20 Subordinated  Debt.  Except as otherwise  permitted by the
terms of this Agreement and the  Intercreditor  Agreement,  neither the Borrower
nor any of its Subsidiaries shall (b) make any optional,  mandatory or scheduled
payments on account of principal (whether by redemption,  purchase,  retirement,
defeasance, set-off or otherwise), interest, premiums and fees in respect of the
Subordinated Debt, or (b) amend, supplement or otherwise modify the terms of the
Subordinated Debt.

                                  ARTICLE VII
                           EVENTS OF DEFAULT; REMEDIES

         Section 7.01 Events of Default.  The occurrence of any of the following
events shall constitute an "Event of Default" under any Loan Document:

                                       75


         (a)  Payment.  Any Loan Party (i) fails to pay any  principal  when due
under this Agreement or (ii) fails to pay, within three (3) Business Days of the
date when due,  any other  amount  due under  this  Agreement  or any other Loan
Document,   including   payments  of   interest,   fees,   reimbursements,   and
indemnifications.

         (b) Representation and Warranties.  Any representation or warranty made
or  deemed  to be  made  (i) by the  Borrower,  any  Guarantor  or any of  their
respective  Subsidiaries (or any of their respective officers) in this Agreement
or in any other Loan Document, or (ii) by the Borrower,  any Guarantor or any of
their  respective   Subsidiaries  (or  any  of  their  respective  officers)  in
connection  with this Agreement or any other Loan Document,  shall prove to have
been incorrect in any material respect when made or deemed to be made;

         (c) Covenant  Breaches.  The  Borrower,  any  Guarantor or any of their
respective  Subsidiaries  shall  fail to (i)  perform or  observe  any  covenant
contained in Section  5.02(a),  Section 5.06(e),  Section 5.12,  Section 5.13 or
Article VI or (ii) fail to perform or  observe  any other term or  covenant  set
forth in this  Agreement or in any other Loan  Document  which is not covered by
clause (i) above or any other  provision of this Section  7.01,  if such failure
shall  remain  unremedied  for 30 days after the  occurrence  of such  breach or
failure;

         (d)  Cross-Defaults.  (i) The  Borrower,  any Guarantor or any of their
respective  Subsidiaries  shall  fail  to pay any  principal  of or  premium  or
interest  on its Debt which is  outstanding  in a  principal  amount of at least
$1,000,000  individually  or when aggregated with all such Debt of the Borrower,
any  Guarantor  or any of  their  respective  Subsidiaries  so in  default  (but
excluding  the  Obligations)  when the same becomes due and payable  (whether by
scheduled maturity, required prepayment, acceleration, demand or otherwise), and
such failure shall continue after the applicable  grace or cure period,  if any,
specified  in the  agreement  or  instrument  relating to such Debt  (including,
without  limitation,  the Subordinated  Credit Agreement);  (ii) any other event
shall occur or condition shall exist under any agreement or instrument  relating
to Debt  which is  outstanding  in a  principal  amount  of at least  $1,000,000
individually  or when  aggregated  with  all  such  Debt of the  Borrower,  such
Subsidiary,  or such  Guarantor  so in  default,  and shall  continue  after the
applicable grace period, if any,  specified in such agreement or instrument,  if
the  effect of such  event or  condition  is to  accelerate,  or to  permit  the
acceleration  of, the  maturity  of such  Debt;  or (iii) any such Debt which is
outstanding in a principal  amount of at least  $1,000,000  individually or when
aggregated all such Debt of the Borrower, such Subsidiary,  or such Guarantor so
in default,  shall be declared to be due and payable,  or required to be prepaid
(other than by a regularly scheduled required  prepayment),  prior to the stated
maturity  thereof;  provided  that,  for  purposes of this  paragraph  (d),  the
"principal  amount" of the  obligations  in respect of Hedging  Contracts at any
time  shall be the  maximum  aggregate  amount  (giving  effect  to any  netting
agreements)  that would be required to be paid if such  Hedging  Contracts  were
terminated at such time;

         (e) Insolvency.  The Borrower, any Guarantor or any of their respective
Subsidiaries  shall  generally  not pay its debts as such debts  become  due, or
shall admit in writing its inability to pay its debts generally, or shall make a
general  assignment  for the benefit of creditors;  or any  proceeding  shall be
instituted by or against the Borrower, any of its Subsidiaries, or any Guarantor
seeking  to  adjudicate  it a bankrupt  or  insolvent,  or seeking  liquidation,
winding up,  reorganization,  arrangement,  adjustment,  protection,  relief, or


                                       76


composition of it or its debts under any law relating to bankruptcy,  insolvency
or  reorganization  or relief of  debtors,  or seeking the entry of an order for
relief or the appointment of a receiver,  trustee or other similar  official for
it or for any  substantial  part of its  Property  and,  in the case of any such
proceeding  instituted  against the  Borrower,  any such  Subsidiary or any such
Guarantor  either such  proceeding  shall remain  undismissed for a period of 60
days  or any of the  actions  sought  in such  proceeding  shall  occur;  or the
Borrower,  any of its  Subsidiaries,  or any  Guarantor  shall take any  company
action to authorize any of the actions set forth above in this paragraph (e);

         (f) Judgments. Any judgment or order for the payment of money in excess
of $1,000,000  shall be rendered  against the Borrower,  any Guarantor or any of
their respective  Subsidiaries and either (i) enforcement proceedings shall have
been  commenced by any creditor  upon such judgment or order or (ii) there shall
be any period of 45 consecutive  days during which a stay of enforcement of such
judgment or order,  by reason of a pending appeal or otherwise,  shall not be in
effect;

         (g) Termination  Events.  Any Termination  Event with respect to a Plan
shall have occurred,  and, 30 days after notice thereof shall have been given to
the Borrower by the  Administrative  Agent, (i) such Termination Event shall not
have  been  corrected  and (ii) the then  present  value of such  Plan's  vested
benefits  exceeds the then current value of assets  accumulated  in such Plan by
more  than the  amount  of  $1,000,000  (or in the case of a  Termination  Event
involving  the  withdrawal  of a  "substantial  employer" (as defined in Section
4001(a)(2) of ERISA),  the withdrawing  employer's  proportionate  share of such
excess shall exceed such amount);

         (h) Plan  Withdrawals.  The  Borrower  or any member of the  Controlled
Group as  employer  under a  Multiemployer  Plan shall  have made a complete  or
partial  withdrawal  from such  Multiemployer  Plan and the plan sponsor of such
Multiemployer  Plan shall have  notified  such  withdrawing  employer  that such
employer  has  incurred a withdrawal  liability  in an annual  amount  exceeding
$1,000,000;

         (i) Change in Control. A Change in Control shall have occurred;

         (j) Borrowing  Base. Any failure to cure any Borrowing Base  deficiency
in accordance with Section 2.05;

         (k) Loan Documents.  Any material  provision of any Loan Document shall
for any reason  cease to be valid and binding on the  Borrower or a Guarantor or
any of  their  respective  Subsidiaries  or any  such  Person  shall so state in
writing;

         (l) Security  Instruments.  (i) The Administrative  Agent shall fail to
have an Acceptable  Security  Interest in any portion of the  Collateral or (ii)
any Security Instrument shall at any time and for any reason cease to create the
Lien on the  Property  purported to be subject to such  agreement in  accordance
with the terms of such  agreement,  or cease to be in full force and effect,  or
shall be contested by the  Borrower,  any  Guarantor or any of their  respective
Subsidiaries;

         (m) Material  Adverse Change.  An event resulting in a Material Adverse
Change shall have occurred;

                                       77


         (n) Casualty.  Loss,  theft,  substantial  damage or  destruction  of a
material  portion of the Collateral  the subject of any Security  Instrument not
fully  covered  by  insurance  (except  for  deductibles  and  allowing  for the
depreciated value of such Collateral) shall have occurred;

         (o)  Subordinated  Credit  Agreement.  An "Event of Default"  under the
Subordinated Credit Agreement shall have occurred; or

         (p)  Intercreditor  Agreement.  The  subordination  provisions  of  the
Intercreditor  Agreement  shall be invalidated or otherwise  cease to be in full
force and effect.

         Section 7.02 Optional Acceleration of Maturity. If any Event of Default
(other than an Event of Default pursuant to paragraph (e) of Section 7.01) shall
have occurred and be continuing, then, and in any such event,

         (a) the Administrative  Agent (i) shall at the request, or may with the
consent,  of the  Required  Lenders,  by notice  to the  Borrower,  declare  the
obligation  of each Lender and the Issuing  Lender to make  extensions of credit
hereunder,  including  making  Advances  and  issuing,  increasing  or extending
Letters  of  Credit,  to be  terminated,  whereupon  the  same  shall  forthwith
terminate,  and (ii)  shall at the  request,  or may  with the  consent,  of the
Required Lenders,  by notice to the Borrower,  declare all principal,  interest,
fees, reimbursements, indemnifications, and all other amounts payable under this
Agreement,  the Notes,  and the other Loan  Documents  to be  forthwith  due and
payable,  whereupon  all such  amounts  shall  become and be  forthwith  due and
payable in full,  without notice of intent to demand,  demand,  presentment  for
payment,  notice of nonpayment,  protest,  notice of protest,  grace,  notice of
dishonor, notice of intent to accelerate, notice of acceleration,  and all other
notices, all of which are hereby expressly waived by the Borrower;


         (b) the Borrower  shall, on demand of the  Administrative  Agent at the
request  or  with  the  consent  of  the  Required  Lenders,  deposit  with  the
Administrative Agent into the Cash Collateral Account an amount of cash equal to
the Letter of Credit Exposure as security for the Obligations; and

         (c) the  Administrative  Agent shall at the request of, or may with the
consent of, the  Required  Lenders  proceed to enforce  its rights and  remedies
under the Security Instruments,  the Guaranties, and any other Loan Document for
the ratable benefit of Secured Parties by appropriate proceedings.

         Section  7.03  Automatic  Acceleration  of  Maturity.  If any  Event of
Default pursuant to paragraph (e) of Section 7.01 shall occur,

         (a) (i) the  obligation  of each Lender and the Issuing  Lender to make
extensions  of  credit   hereunder,   including  making  Advances  and  issuing,
increasing  or  extending  Letters  of  Credit,  shall  terminate,  and (ii) all
principal,  interest,  fees,  reimbursements,  indemnifications,  and all  other
amounts  payable under this Agreement,  the Notes,  and the other Loan Documents
shall become and be forthwith due and payable in full,  without notice of intent
to demand,  demand,  presentment  for payment,  notice of  nonpayment,  protest,
notice of protest,  grace,  notice of dishonor,  notice of intent to accelerate,
notice of acceleration, and all other notices, all of which are hereby expressly
waived by the Borrower;
                                       78

         (b) the Borrower shall deposit with the  Administrative  Agent into the
Cash  Collateral  Account an amount of cash equal to the  outstanding  Letter of
Credit Exposure as security for the Obligations; and

         (c) the  Administrative  Agent shall at the request of, or may with the
consent of, the  Required  Lenders  proceed to enforce  its rights and  remedies
under the Security Instruments,  the Guaranties, and any other Loan Document for
the ratable benefit of Secured Parties by appropriate proceedings.

Section 7.04 Right of Setoff. If an Event of Default shall have occurred and be
continuing, the Administrative Agent, each Lender, the Issuing Lender, and each
of their respective Affiliates is hereby authorized at any time and from time to
time, to the fullest extent permitted by applicable law, to set off and apply
any and all deposits (general or special, time or demand, provisional or final,
in whatever currency) at any time held and other obligations (in whatever
currency) at any time owing by the Administrative Agent, such Lender, the
Issuing Lender or any such Affiliate to or for the credit or the account of the
Borrower or any other Loan Party against any and all of the obligations of the
Borrower or such Loan Party now or hereafter existing under this Agreement or
any other Loan Document to the Administrative Agent, such Lender or the Issuing
Lender, irrespective of whether or not the Administrative Agent, such Lender or
the Issuing Lender shall have made any demand under this Agreement or any other
Loan Document and although such obligations of the Borrower or such Loan Party
may be contingent or unmatured or are owed to a branch or office of the
Administrative Agent, such Lender or the Issuing Lender different from the
branch or office holding such deposit or obligated on such indebtedness. The
rights of the Administrative Agent, each Lender, the Issuing Lender and their
respective Affiliates under this Section are in addition to other rights and
remedies (including other rights of setoff) that the Administrative Agent, such
Lender, the Issuing Lender or their respective Affiliates may have. The
Administrative Agent, each Lender and the Issuing Lender agrees to notify the
Borrower and the Administrative Agent promptly after any such setoff and
application, provided that the failure to give such notice shall not affect the
validity of such setoff and application.

         Section 7.05 Non-exclusivity of Remedies.  No remedy conferred upon the
Administrative  Agent,  the  Issuing  Lender or the  Lenders is  intended  to be
exclusive of any other remedy,  and each remedy shall be cumulative of all other
remedies existing by contract, at law, in equity, by statute or otherwise.

         Section 7.06  Application of Proceeds.  From and during the continuance
of any  Event of  Default,  any  monies or  Property  actually  received  by the
Administrative Agent pursuant to this Agreement or any other Loan Document,  the
exercise of any rights or remedies  under any Security  Instrument  or any other
agreement  with  the  Borrower,   any  Guarantor  or  any  of  their  respective
Subsidiaries  which  secures  any of the  Obligations,  shall be  applied in the
following order:

         (a) First, to the payment of all amounts,  including costs and expenses
incurred in connection  with the  collection of such proceeds and the payment of
any part of the Obligations,  due to the  Administrative  Agent under any of the
expense  reimbursement  or indemnity  provisions of this  Agreement or any other


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Loan Document,  any Security Instrument or other collateral  documents,  and any
applicable Legal Requirement;

         (b) Second,  ratably,  according  to the then unpaid  amounts  thereof,
without  preference  or priority  of any kind among them,  to the payment of the
Obligations then due and payable,  including Obligations with respect to Letters
of Credit, including any Lender Hedging Obligations of any Loan Party; and

         (c) Third, the remainder, if any, to the Subordinated Agent as required
under the Intercreditor Agreement.

Administrative  Agent shall have no responsibility to determine the existence or
amount of Lender  Hedging  Obligations  and may reserve from the  application of
amounts under this Section  amounts  distributable  in respect of Lender Hedging
Obligations until it has received  evidence  satisfactory to it of the existence
and amount of such Lender Hedging  Obligations.  Subject to paragraph (a) of the
first  sentence  of  this  Section,  Administrative  Agent  and  Lenders  hereby
acknowledge and confirm that the Liens in the Collateral  secure the Obligations
and the Lender Hedging Obligations on a ratable basis.

                                  ARTICLE VIII
                 THE ADMINISTRATIVE AGENT AND THE ISSUING LENDER

         Section 8.01  Appointment  and  Authority.  Each of the Lenders and the
Issuing Lender hereby irrevocably appoints Societe Generale to act on its behalf
as the  Administrative  Agent  hereunder and under the other Loan  Documents and
authorizes  the  Administrative  Agent to take such actions on its behalf and to
exercise such powers as are delegated to the  Administrative  Agent by the terms
hereof or  thereof,  together  with such  actions  and powers as are  reasonably
incidental thereto. The provisions of this Article are solely for the benefit of
the  Administrative  Agent, the Lenders and the Issuing Lender,  and neither the
Borrower nor any other Loan Party shall have rights as a third party beneficiary
of any of such provisions.

         Section   8.02  Rights  as  a  Lender.   The  Person   serving  as  the
Administrative  Agent  hereunder  shall  have the same  rights and powers in its
capacity as a Lender as any other  Lender and may exercise the same as though it
were not the  Administrative  Agent and the term  "Lender" or  "Lenders"  shall,
unless otherwise  expressly  indicated or unless the context otherwise requires,
include  the  Person  serving  as  the  Administrative  Agent  hereunder  in its
individual  capacity.  Such Person and its Affiliates may accept  deposits from,
lend money to, act as the financial  advisor or in any other  advisory  capacity
for and  generally  engage  in any kind of  business  with the  Borrower  or any
Subsidiary  or  other  Affiliate   thereof  as  if  such  Person  were  not  the
Administrative  Agent hereunder and without any duty to account  therefor to the
Lenders.

         Section 8.03 Exculpatory Provisions. The Administrative Agent shall not
have any duties or  obligations  except those  expressly set forth herein and in
the other Loan Documents.  Without limiting the generality of the foregoing, the
Administrative Agent:

         (a) shall not be  subject to any  fiduciary  or other  implied  duties,
regardless of whether a Default has occurred and is continuing;

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         (b)  shall  not  have  any duty to take  any  discretionary  action  or
exercise  any  discretionary  powers,  except  discretionary  rights  and powers
expressly   contemplated  hereby  or  by  the  other  Loan  Documents  that  the
Administrative  Agent is  required  to  exercise  as  directed in writing by the
Required  Lenders (or such other number or percentage of the Lenders as shall be
expressly provided for herein or in the other Loan Documents), provided that the
Administrative  Agent  shall not be  required  to take any action  that,  in its
opinion or the opinion of its counsel,  may expose the  Administrative  Agent to
liability or that is contrary to any Loan Document or applicable law; and

         (c) shall not,  except as  expressly  set forth herein and in the other
Loan  Documents,  have any duty to  disclose,  and shall  not be liable  for the
failure to  disclose,  any  information  relating to the  Borrower or any of its
Affiliates  that is  communicated  to or obtained  by the Person  serving as the
Administrative Agent or any of its Affiliates in any capacity.

         The  Administrative  Agent shall not be liable for any action  taken or
not taken by it (i) with the consent or at the request of the  Required  Lenders
(or such other number or percentage of the Lenders as shall be necessary,  or as
the Administrative  Agent shall believe in good faith shall be necessary,  under
the circumstances as provided in Sections 9.01 and 7.02, and 7.03 or (ii) in the
absence of its own gross negligence or willful  misconduct.  The  Administrative
Agent  shall be deemed not to have  knowledge  of any  Default  unless and until
notice  describing  such  Default  is given to the  Administrative  Agent by the
Borrower,  a Lender or the Issuing Lender. The Administrative Agent shall not be
responsible for or have any duty to ascertain or inquire into (i) any statement,
warranty or  representation  made in or in connection with this Agreement or any
other Loan  Document,  (ii) the  contents  of any  certificate,  report or other
document  delivered  hereunder  or  thereunder  or  in  connection  herewith  or
therewith,  (iii)  the  performance  or  observance  of any  of  the  covenants,
agreements  or other  terms or  conditions  set forth  herein or  therein or the
occurrence of any Default, (iv) the validity,  enforceability,  effectiveness or
genuineness of this Agreement,  any other Loan Document or any other  agreement,
instrument  or document or (v) the  satisfaction  of any  condition set forth in
Article  III or  elsewhere  herein,  other  than to  confirm  receipt  of  items
expressly required to be delivered to the Administrative Agent.

         Section 8.04 Reliance by Administrative Agent. The Administrative Agent
shall be entitled to rely upon,  and shall not incur any  liability  for relying
upon, any notice, request, certificate, consent, statement, instrument, document
or other writing (including any electronic message, Internet or intranet website
posting or other  distribution)  believed  by it to be genuine  and to have been
signed, sent or otherwise authenticated by the proper Person. The Administrative
Agent also may rely upon any  statement  made to it orally or by  telephone  and
believed by it to have been made by the proper  Person,  and shall not incur any
liability for relying  thereon.  In  determining  compliance  with any condition
hereunder  to the making of an Advance,  or the  issuance of a Letter of Credit,
that by its  terms  must be  fulfilled  to the  satisfaction  of a Lender or the
Issuing  Lender,  the  Administrative  Agent may presume that such  condition is
satisfactory  to such Lender or the  Issuing  Lender  unless the  Administrative
Agent shall have received notice to the contrary from such Lender or the Issuing
Lender  prior to the making of such  Advance or the  issuance  of such Letter of
Credit.  The  Administrative  Agent may consult  with legal  counsel (who may be
counsel for the Borrower), independent accountants and other experts selected by


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it,  and  shall  not be  liable  for any  action  taken  or not  taken  by it in
accordance with the advice of any such counsel, accountants or experts.

         Section 8.05 Delegation of Duties. The Administrative Agent may perform
any and all of its duties and exercise its rights and powers  hereunder or under
any other Loan  Document by or through any one or more  sub-agents  appointed by
the Administrative  Agent. The  Administrative  Agent and any such sub-agent may
perform  any and all of its  duties  and  exercise  its  rights and powers by or
through their  respective  Related Parties.  The exculpatory  provisions of this
Article  shall apply to any such  sub-agent  and to the  Related  Parties of the
Administrative Agent and any such sub-agent, and shall apply to their respective
activities in connection with the syndication of the credit facilities  provided
for herein as well as activities as Administrative Agent.

         Section 8.06 Successor  Administrative  Agent and Issuing  Lender.  The
Administrative  Agent and the Issuing  Lender may at any time give notice of its
resignation to the Lenders, the Issuing Lender and the Borrower. Upon receipt of
any such notice of  resignation,  the Required  Lenders shall have the right, in
consultation  with the Borrower,  to appoint a successor,  which shall be a bank
with an office in New York City or Houston,  Texas or an  Affiliate  of any such
bank with an office in New York City or  Houston,  Texas.  If no such  successor
shall have been so  appointed by the  Required  Lenders and shall have  accepted
such  appointment  within 60 days  after the  retiring  Administrative  Agent or
Issuing Lender gives notice of its resignation, then the retiring Administrative
Agent or Issuing Lender, as applicable,  may on behalf of the Lenders, appoint a
successor  Administrative  Agent or Issuing Lender,  as applicable,  meeting the
qualifications set forth above provided that if the  Administrative  Agent shall
notify the Borrower and the Lenders that no qualifying  Person has accepted such
appointment,  then  such  resignation  shall  nonetheless  become  effective  in
accordance with such notice and (1) the retiring Administrative Agent or Issuing
Lender,  as  applicable,  shall be  discharged  from its duties and  obligations
hereunder and under the other Loan Documents (except that (A) in the case of any
Collateral  held by the  Administrative  Agent on behalf of the  Lenders  or the
Issuing  Lender under any of the Loan  Documents,  the  retiring  Administrative
Agent  shall  continue  to hold such  Collateral  until such time as a successor
Administrative  Agent is appointed,  and (B) the retiring  Issuing  Lender shall
remain the Issuing  Lender with respect to any Letters of Credit  outstanding on
the effective date of its resignation  and the provisions  affecting the Issuing
Lender with  respect to such Letters of Credit shall inure to the benefit of the
retiring Issuing Lender until the termination of all such Letters of Credit) and
(2) all payments,  communications and determinations  provided to be made by, to
or through the  Administrative  Agent or Issuing  Lender,  as applicable,  shall
instead be made by or to each Lender  directly,  until such time as the Required
Lenders appoint a successor  Administrative Agent or Issuing Lender, as provided
for above in this Section.  Upon the acceptance of a successor's  appointment as
Administrative  Agent or Issuing Lender hereunder,  such successor shall succeed
to and become vested with all of the rights,  powers,  privileges  and duties of
the  retiring  (or  retired)  Administrative  Agent or Issuing  Lender,  and the
retiring  Administrative Agent or Issuing Lender shall be discharged from all of
its duties and  obligations  hereunder or under the other Loan Documents (if not
already  discharged  therefrom as provided above in this Section and except that
the retiring  Issuing Lender shall remain the Issuing Lender with respect to any
Letters of Credit  outstanding on the effective date of its  resignation and the
provisions  affecting the Issuing  Lender with respect to such Letters of Credit
shall inure to the benefit of the retiring  Issuing Lender until the termination


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of all such Letters of Credit).  The fees payable by the Borrower to a successor
Administrative Agent or Issuing Lender shall be the same as those payable to its
predecessor  unless  otherwise  agreed between the Borrower and such  successor.
After the  retiring  Administrative  Agent's  or  Issuing  Lender's  resignation
hereunder and under the other Loan Documents, the provisions of this Article and
Sections 9.04 and 9.05 shall continue in effect for the benefit of such retiring
Administrative Agent or Issuing Lender, as applicable,  its sub-agents and their
respective  Related  Parties in respect  of any  actions  taken or omitted to be
taken by any of them while the retiring  Administrative Agent or Issuing Lender,
as  applicable  was  acting  as  Administrative  Agent  or  Issuing  Lender,  as
applicable.

         Section 8.07  Non-Reliance on  Administrative  Agent and Other Lenders.
Each Lender and the Issuing Lender  acknowledges that it has,  independently and
without  reliance  upon the  Administrative  Agent or any other Lender or any of
their  Related  Parties and based on such  documents and  information  as it has
deemed appropriate, made its own credit analysis and decision to enter into this
Agreement.  Each Lender and the Issuing Lender also  acknowledges  that it will,
independently  and without reliance upon the  Administrative  Agent or any other
Lender  or any of  their  Related  Parties  and  based  on  such  documents  and
information as it shall from time to time deem appropriate, continue to make its
own decisions in taking or not taking action under or based upon this Agreement,
any other Loan  Document  or any related  agreement  or any  document  furnished
hereunder or thereunder.

         Section  8.08 No Other  Duties,  etc.  Anything  herein to the contrary
notwithstanding,  none  of  the  Persons  identified  as  a  Syndication  Agent,
Documentation Agent,  Bookrunner or Arranger on the cover page hereof shall have
any powers, duties or responsibilities  under this Agreement or any of the other
Loan Documents,  except in its capacity,  as applicable,  as the  Administrative
Agent, a Lender or the Issuing Lender hereunder.

         Section 8.09 Collateral Matters.

         (a) The  Administrative  Agent is  authorized  on behalf of the Secured
Parties,  without the  necessity  of any notice to or further  consent from such
Secured  Parties,  from time to time,  to take any actions  with  respect to any
Collateral  or  Security  Instruments  which may be  necessary  to  perfect  and
maintain  the  Liens  upon  the  Collateral  granted  pursuant  to the  Security
Instruments.  The Administrative Agent is further authorized (but not obligated)
on behalf of the  Secured  Parties,  without the  necessity  of any notice to or
further consent from the Secured Parties,  from time to time, to take any action
in exigent  circumstances as may be reasonably  necessary to preserve any rights
or  privileges  of the Secured  Parties  under the Loan  Documents or applicable
Legal  Requirements.  Persons that are owed any Lender  Hedging  Obligations  by
accepting the benefit of the Liens granted pursuant to the Security  Instruments
hereby agrees to the terms of this paragraph (a).

         (b) The Lenders  hereby,  and Persons that are owed any Lender  Hedging
Obligations  by  accepting  the  benefit of the Liens  granted  pursuant  to the
Security  Instruments,  irrevocably  authorize the  Administrative  Agent to (i)
release  any  Lien  granted  to or held by the  Administrative  Agent  upon  any
Collateral  (a) upon  termination  of this  Agreement,  termination of all Hedge
Contracts  with such  Persons,  termination  of all  Letters of Credit,  and the
payment in full of all outstanding  Advances,  Letter of Credit  Obligations and
all other  Obligations  payable  under this  Agreement  and under any other Loan
Document; (b) constituting property sold or to be sold or disposed of as part of


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or in connection  with any  disposition  permitted  under this  Agreement or any
other Loan  Document;  (c)  constituting  property in which the  Borrower or any
Subsidiary  owned no  interest  at the time the Lien was  granted or at any time
thereafter;  or  (d)  constituting  property  leased  to  the  Borrower  or  any
Subsidiary  under  a  lease  which  has  expired  or has  been  terminated  in a
transaction  permitted  under this Agreement or is about to expire and which has
not been, and is not intended by the Borrower or such  Subsidiary to be, renewed
or extended;  and (ii) release a Guarantor from its obligations under a Guaranty
and any other  applicable Loan Document if such Person ceases to be a Subsidiary
as a result of a transaction permitted under this Agreement. Upon the request of
the  Administrative  Agent at any time,  the  Secured  Parties  will  confirm in
writing the  Administrative  Agent's  authority to release  particular  types or
items of Collateral pursuant to this Section 8.09.

ARTICLE IX
                                  MISCELLANEOUS

         Section 9.01  Amendments,  Etc. No amendment or waiver of any provision
of this  Agreement,  the Notes,  or any other Loan Document,  nor consent to any
departure by the  Borrower or any  Subsidiary  therefrom,  shall in any event be
effective unless the same shall be in writing and signed by the Required Lenders
and the Borrower, and then such waiver or consent shall be effective only in the
specific  instance  and for the  specific  purpose  for which  given;  provided,
however, that no amendment, waiver, or consent shall:

         (a) without the consent of each Lender: (i) waive any of the conditions
specified in Article III;  (ii) increase the  Borrowing  Base;  (iii) change any
provision of this Section or the  definition of "Required  Lenders" or any other
provision  hereof  specifying  the number or percentage  of Lenders  required to
amend,  waive or otherwise modify any rights hereunder or make any determination
or grant any consent  hereunder;  (iv) amend Section 2.11 or any other provision
of this  Agreement in a manner that would alter the pro rata sharing of payments
or the pro rata allocation of disbursements  required  thereby;  (v) release any
Guarantor from its obligations  under any Guaranty unless such Guarantor  ceases
to be a Subsidiary of the Borrower  under a  transaction  permitted by the terms
hereof;  (vi) permit the Borrower or any  Subsidiary to enter into any merger or
consolidation  with or into any other  Person or amend  Section  6.04(a);  (vii)
release any Collateral  securing the Obligations,  except as provided in Section
8.09 above;  (viii) change Section 7.06 or any other provision of this Agreement
in a manner that would alter the order of  application  of proceeds set forth in
Section 7.06;  (ix) increase the aggregate  Commitments;  (x) amend or waive any
provision  of, nor  consent to any  departure  by any party  thereto  from,  the
Intercreditor Agreement;

         (b)  without  the  written  consent of each  Lender  directly  affected
thereby,  (i) extend or increase the  Commitment of any Lender (or reinstate any
Commitment  terminated  pursuant to Section 7.02), (ii) reduce the principal of,
or interest on, the Obligations or any fees or other amounts  payable  hereunder
or under any other  Loan  Document,  or (iii)  postpone  any date  fixed for any
payment of principal  of, or interest on, the  Obligations  or any fees or other
amounts  payable  hereunder  or  extend  the  Maturity  Date  or the  Commitment
Termination Date;

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and, provided further, that (i) no amendment, waiver or consent shall, unless in
writing and signed by the Issuing Lender in addition to the Lenders required
above, affect the rights or duties of the Issuing Lender under this Agreement or
any Letter of Credit Application relating to any Letter of Credit issued or to
be issued by it; (ii) no amendment, waiver or consent shall, unless in writing
and signed by the Administrative Agent in addition to the Lenders required
above, affect the rights or duties of the Administrative Agent under this
Agreement or any other Loan Document; and (iii) the Administrative Agent's Fee
Letter may be amended, or rights or privileges thereunder waived, in a writing
executed only by the parties thereto.

         Section 9.02 Notices, Etc.

         (a)  General.  Except in the case of notices  and other  communications
expressly  permitted  to be  given by  telephone  (and  except  as  provided  in
paragraph (c) below), all notices and other  communications  provided for herein
shall be in writing and shall be delivered by hand or overnight courier service,
mailed by  certified  or  registered  mail,  sent by  facsimile  or  (subject to
subsection (c) below) electronic mail address as follows:

              (i) if to any Borrower or any other Loan Party, the Administrative
Agent, or the Issuing Lender, to the address,  facsimile number, electronic mail
address or telephone  number  specified for such Person on Schedule I or to such
other address,  facsimile number, electronic mail address or telephone number as
shall be designated by such party in a notice to the other parties; and

              (ii) if to any other  Lender,  to the address,  facsimile  number,
electronic  mail address or  telephone  number  specified in its  Administrative
Questionnaire  or to such  other  address,  facsimile  number,  electronic  mail
address or telephone  number as shall be designated by such party in a notice to
the Administrative Agent.

         (b) Notices sent by hand or  overnight  courier  service,  or mailed by
certified or registered  mail, shall be deemed to have been given when received;
notices sent by  facsimile  shall be deemed to have been given when sent (except
that,  if not given during normal  business  hours for the  recipient,  shall be
deemed to have been given at the opening of business  on the next  Business  Day
for the recipient).  Notices delivered through electronic  communications to the
extent  provided in paragraph (c) below,  shall be effective as provided in said
paragraph  (c). In no event shall a voicemail  message be effective as a notice,
communication or confirmation hereunder.

         (c) Effectiveness of Facsimile Documents and Signatures. Loan Documents
may be transmitted  and/or signed by facsimile.  The  effectiveness  of any such
documents and signatures shall,  subject to applicable Legal Requirements,  have
the same force and effect as  manually-signed  originals and shall be binding on
all Loan Parties,  the Administrative  Agent and the Lenders. The Administrative
Agent may also require that any such  documents and signatures be confirmed by a
manually-signed original thereof; provided, however, that the failure to request
or deliver the same shall not limit the effectiveness of any facsimile  document
or signature.

         (d) Limited Use of Electronic Mail. Unless expressly provided otherwise
herein,  notices and other  communications to the Lenders and the Issuing Lender
hereunder may be delivered or furnished by electronic  communication  (including


                                       85


e-mail and Internet or intranet websites) pursuant to procedures approved by the
Administrative  Agent, provided that the foregoing shall not apply to notices to
any Lender or the Issuing Lender pursuant to Article II, except that,  until the
Administrative  Agent gives notice to the Borrower to the  contrary,  Notices of
Borrowing  and Notices of  Conversion  or  Continuation  may be delivered to the
Administrative  Agent by electronic  communication.  The Administrative Agent or
the  Borrower  may,  in its  discretion,  agree  to  accept  notices  and  other
communications  to  it  hereunder  by  electronic   communications  pursuant  to
procedures  approved by it,  provided  that approval of such  procedures  may be
limited to particular notices or communications. Unless the Administrative Agent
otherwise  prescribes,  (i) notices and other  communications  sent to an e-mail
address shall be deemed received upon the sender's receipt of an acknowledgement
from the intended recipient (such as by the "return receipt requested" function,
as available, return e-mail or other written acknowledgement),  provided that if
such notice or other  communication is not sent during the normal business hours
of the recipient, such notice or communication shall be deemed to have been sent
at the opening of business on the next Business Day for the recipient,  and (ii)
notices or  communications  posted to an Internet or intranet  website  shall be
deemed received upon the deemed receipt by the intended  recipient at its e-mail
address as  described  in the  foregoing  clause (i) of  notification  that such
notice or  communication  is  available  and  identifying  the  website  address
therefor.

         (e) Reliance by Administrative  Agent and Lenders.  The  Administrative
Agent  and the  Lenders  shall be  entitled  to rely  and act  upon any  notices
(including telephonic Notices of Borrowing) purportedly given by or on behalf of
the  Borrower  even if (i) such  notices  were  not  made in a manner  specified
herein,  were  incomplete  or were not preceded or followed by any other form of
notice  specified  herein,  or (ii) the  terms  thereof,  as  understood  by the
recipient,  varied from any confirmation  thereof.  The BORROWER SHALL INDEMNIFY
THE  ADMINISTRATIVE  AGENT,  THE ISSUING  LENDER,  EACH LENDER AND THEIR RELATED
PARTIES FROM ALL LOSSES,  COSTS,  EXPENSES AND  LIABILITIES  RESULTING  FROM THE
RELIANCE BY SUCH PERSON ON EACH NOTICE  PURPORTEDLY GIVEN BY OR ON BEHALF OF THE
BORROWER.   All  telephonic  notices  to  and  other   communications  with  the
Administrative  Agent may be recorded by the  Administrative  Agent, and each of
the parties hereto hereby consents to such recording.

         Section 9.03 No Waiver;  Cumulative Remedies. No failure on the part of
any Lender or the  Administrative  Agent to  exercise,  and no delay by any such
Person in exercising,  any right,  remedy,  power or privilege  hereunder  shall
operate as a waiver  thereof;  nor shall any single or partial  exercise  of any
such right preclude any other or further exercise thereof or the exercise of any
other  right,  remedy,  power or  privilege.  The rights,  remedies,  powers and
privileges  provided in this  Agreement are  cumulative and not exclusive of any
rights, remedies, powers and privileges provided by law.

         Section  9.04  Costs  and  Expenses.  The  Borrower  shall  pay (i) all
reasonable  out-of-pocket  expenses incurred by the Administrative Agent and its
Affiliates  (including the reasonable fees, charges and disbursements of counsel
for the Administrative  Agent), in connection with the syndication of the credit
facilities  provided  for  herein,  the  preparation,   negotiation,  execution,
delivery and  administration  of this  Agreement and the other Loan Documents or
any  amendments,  modifications  or waivers of the provisions  hereof or thereof


                                       86


(whether  or not the  transactions  contemplated  hereby  or  thereby  shall  be
consummated), (ii) all reasonable out-of-pocket expenses incurred by the Issuing
Lender in connection with the issuance,  amendment,  renewal or extension of any
Letter  of  Credit  or  any  demand  for  payment   thereunder   and  (iii)  all
out-of-pocket  expenses incurred by the Administrative  Agent, any Lender or the
Issuing Lender (including the fees, charges and disbursements of any counsel for
the Administrative  Agent, any Lender or the Issuing Lender), in connection with
the  enforcement  or  protection  of its  rights  (A) in  connection  with  this
Agreement and the other Loan Documents, including its rights under this Section,
or (B) in  connection  with  the  Advances  made or  Letters  of  Credit  issued
hereunder,  including  all  such  out-of-pocket  expenses  incurred  during  any
workout, restructuring or negotiations in respect of such Advances or Letters of
Credit.  The  foregoing  costs and expenses  shall  include all search,  filing,
recording,  appraisal  charges  and fees and taxes  related  thereto,  and other
out-of-pocket  expenses incurred by the  Administrative  Agent or any Lender and
the cost of independent public accountants and other outside experts retained by
the Administrative  Agent or any Lender. All amounts due under this Section 9.04
shall be payable within thirty days after demand. The agreements in this Section
shall  survive the  termination  of the  Commitments  and repayment of all other
Obligations.

         Section  9.05   Indemnification.   The  Borrower  shall  indemnify  the
Administrative  Agent (and any sub-agent  thereof),  each Lender and the Issuing
Lender, and each Related Party of any of the foregoing Persons (each such Person
being called an "Indemnitee")  against,  and hold each Indemnitee harmless from,
any and all losses, claims, damages, liabilities and related expenses (including
the fees,  charges and  disbursements  of any counsel for any  Indemnitee),  and
shall indemnify and hold harmless each Indemnitee from all fees and time charges
and disbursements for attorneys who may be employees of any Indemnitee, incurred
by any  Indemnitee or asserted  against any  Indemnitee by any third party or by
the Borrower or any other Loan Party arising out of, in connection with, or as a
result of (i) the  execution  or  delivery  of this  Agreement,  any other  Loan
Document or any  agreement or  instrument  contemplated  hereby or thereby,  the
performance by the parties hereto of their respective  obligations  hereunder or
thereunder  or the  consummation  of the  transactions  contemplated  hereby  or
thereby,  (ii) any Advance or Letter of Credit or the use or proposed use of the
proceeds  therefrom  (including  any  refusal by the  Issuing  Lender to honor a
demand  for  payment  under a Letter  of Credit if the  documents  presented  in
connection with such demand do not strictly comply with the terms of such Letter
of  Credit),  (iii) any actual or  alleged  presence  or  Release  of  Hazardous
Materials  on or from any  property  owned or operated by the Borrower or any of
its  Subsidiaries,  or any  Environmental  Liability  related  in any way to the
Borrower or any of its  Subsidiaries,  or (iv) any actual or prospective  claim,
litigation,  investigation  or  proceeding  relating  to any  of the  foregoing,
whether based on contract,  tort or any other theory, whether brought by a third
party or by the Borrower or any other Loan Party,  and regardless of whether any
Indemnitee is a party thereto, provided that such indemnity shall not, as to any
Indemnitee,  be  available  to the extent  that such  losses,  claims,  damages,
liabilities  or  related  expenses  are  determined  by  a  court  of  competent
jurisdiction by final and nonappealable judgment to have resulted from the gross
negligence or willful misconduct of such Indemnitee.  All amounts due under this
Section 9.05 shall be payable  within ten Business  Days after demand  therefor.
The   agreements  in  this  Section  shall  survive  the   resignation   of  the
Administrative  Agent, the Resignation of the Issuing Lender, the replacement of


                                       87


any Lender,  the termination of the Commitments and the repayment,  satisfaction
or discharge of all the other Obligations.

         Section 9.06 Reimbursement by Lenders.  To the extent that the Borrower
for any reason fails to indefeasibly  pay any amount required under Section 9.04
or Section 9.05 to be paid by it to the  Administrative  Agent (or any sub-agent
thereof), the Issuing Lender or any Related Party of any of the foregoing,  each
Lender  severally  agrees  to pay to  the  Administrative  Agent  (or  any  such
sub-agent),  the Issuing Lender or such Related Party,  as the case may be, such
Lender's  Pro  Rata  Share  (determined  as of  the  time  that  the  applicable
unreimbursed  expense or  indemnity  payment is sought) of such  unpaid  amount,
provided that the  unreimbursed  expense or  indemnified  loss,  claim,  damage,
liability  or related  expense,  as the case may be, was incurred by or asserted
against the  Administrative  Agent (or any such sub-agent) or the Issuing Lender
in its capacity as such,  or against any Related  Party of any of the  foregoing
acting for the Administrative Agent (or any such sub-agent) or Issuing Lender in
connection  with such  capacity.  The  failure of any Lender to pay its Pro Rata
Share  of such  unpaid  amounts  shall  not  relieve  any  other  Lender  of its
obligation,  if any,  to pay its  respective  share of such unpaid  amounts.  No
Lender shall be  responsible  for the failure of any other Lender to comply with
this  Section.  All amounts due under this Section 9.06 shall be payable  within
ten Business Days after demand  therefor.  THE  AGREEMENTS IN THIS SECTION SHALL
SURVIVE THE  RESIGNATION OF THE  ADMINISTRATIVE  AGENT,  THE  RESIGNATION OF THE
ISSUING  LENDER,   THE  REPLACEMENT  OF  ANY  LENDER,  THE  TERMINATION  OF  THE
COMMITMENTS  AND THE  REPAYMENT,  SATISFACTION  OR  DISCHARGE  OF ALL THE  OTHER
OBLIGATIONS

         Section  9.07 Waiver of Damages.  To the fullest  extent  permitted  by
applicable  Legal  Requirement,  each Loan Party  shall not  assert,  and hereby
waives,  any claim  against  any  Indemnitee,  on any theory of  liability,  for
special,  indirect,  consequential  or punitive damages (as opposed to direct or
actual  damages)  arising out of, in  connection  with,  or as a result of, this
Agreement,  any other Loan Document or any agreement or instrument  contemplated
hereby, the transactions  contemplated hereby or thereby,  any Advance or Letter
of Credit or the use of the proceeds thereof.  No Indemnitee shall be liable for
any damages arising from the use by unintended  recipients of any information or
other  materials  distributed  by it through  telecommunications,  electronic or
other information  transmission systems in connection with this Agreement or the
other Loan Documents or the transactions contemplated hereby or thereby.

         Section 9.08 Successors and Assigns.

         (a) Generally. The terms and provisions of this Agreement and the other
Loan  Documents  shall be binding  upon and inure to the  benefit of the parties
hereto and their respective successors and assigns permitted hereby, except that
the  Borrower  may  not  assign  or  otherwise  transfer  any of its  rights  or
obligations  hereunder  without the prior written  consent of each Lender and no
Lender  may  assign or  otherwise  transfer  any of its  rights  or  obligations
hereunder  except (i) to an Eligible  Assignee in accordance with the provisions
of paragraph (b) of this  Section,  (ii) by way of  participation  in accordance
with the provisions of paragraph (d) of this Section,  or (iii) by way of pledge
or assignment of a security  interest  subject to the  restrictions of paragraph
(f) of this Section and any other attempted  assignment or transfer by any party
hereto shall be null and void. Nothing in this Agreement,  expressed or implied,


                                       88


shall be  construed  to confer upon any Person  (other than the parties  hereto,
their respective  successors and assigns permitted  hereby,  Participants to the
extent  provided in subsection (d) of this Section and, to the extent  expressly
contemplated  hereby,  the Indemnitees) any legal or equitable right,  remedy or
claim under or by reason of this Agreement.

         (b)  Assignments  by  Lenders.  Any  Lender  may  assign to one or more
Eligible  Assignees all or any portion of its rights and obligations  under this
Agreement (including,  without limitation,  all or a portion of its Commitments,
the Advances owing to it, participations in Letter of Credit Obligations) at the
time owing to it); provided, however, that

              (i) except in the case of an  assignment  of the entire  remaining
amount of the assigning  Lender's  Commitment and the Advances being assigned at
the time owing to it or in the case of an assignment to a Lender or an Affiliate
of a Lender or an Approved Fund with respect to a Lender,  the aggregate  amount
of the Commitments  and Advances of such Lender being assigned  pursuant to each
such assignment (determined as of the date of the Assignment and Acceptance with
respect to such assignment) shall not be less than $5,000,000.00;

              (ii) each partial  assignment  shall be made as an assignment of a
proportionate  part of all the assigning  Lender's rights and obligations  under
this Agreement with respect to the Advances or the Commitment assigned;

              (iii)  the  parties  to each such  assignment  shall  execute  and
deliver to the  Administrative  Agent,  for its  acceptance and recording in the
Register, an Assignment and Acceptance; and

              (iv) each Eligible  Assignee (other than an Eligible Assignee that
is a Lender or an Affiliate of a Lender) shall pay to the Administrative Agent a
$3,500 processing and recording fee and shall, if it is not a Lender, deliver to
the Administrative Agent an Administrative Questionnaire.

Upon  such  execution,   delivery,  acceptance  and  recording  thereof  by  the
Administrative  Agent pursuant to paragraph (c) of this Section,  from and after
the effective date specified in each Assignment and Acceptance, (A) the Eligible
Assignee  thereunder shall be a party hereto for all purposes and, to the extent
that rights and obligations  hereunder have been assigned to it pursuant to such
Assignment and Acceptance, have the rights and obligations of a Lender hereunder
and (B) such assigning  Lender  thereunder  shall, to the extent that rights and
obligations  hereunder have been assigned by it pursuant to such  Assignment and
Acceptance,  relinquish  its rights and be released from its  obligations  under
this Agreement (and, in the case of an Assignment and Acceptance covering all or
the  remaining  portion  of such  Lender's  rights  and  obligations  under this
Agreement,  such Lender shall cease to be a party hereto) but shall  continue to
be entitled to the benefits of Sections 2.13,  2.14,  9.04 and 9.05 with respect
to  facts  and  circumstances  occurring  prior  to the  effective  date of such
assignment.  Any  assignment  or transfer  by a Lender of rights or  obligations
under this Agreement  that does not comply with this paragraph  shall be treated
for purposes of this  Agreement as a sale by such Lender of a  participation  in
such rights and obligations in accordance with paragraph (d) of this Section.

                                       89


         (c) Register. The Administrative Agent shall maintain at its Applicable
Lending  Office  a copy of  each  Assignment  and  Acceptance  delivered  to and
accepted by it and a register for the  recordation of the names and addresses of
the Lenders and the Commitments  of, and principal  amount of the Advances owing
to, each Lender from time to time (the "Register").  The entries in the Register
shall be conclusive and binding for all purposes,  absent  manifest  error,  and
each of the Loan Parties, the Administrative  Agent, the Issuing Lender, and the
Lenders may treat each Person whose name is recorded in the Register as a Lender
hereunder for all purposes of this  Agreement.  The Register  shall be available
for  inspection  by the Borrower or any Lender at any  reasonable  time and from
time to time upon reasonable prior notice.

         (d) Participations. Any Lender may at any time, without the consent of,
or notice to, the Borrower or the Administrative  Agent, sell  participations to
any Person (other than a natural person or the Borrower or any of any Borrower's
Affiliates or Subsidiaries)  (each, a "Participant") in all or a portion of such
Lender's  rights and/or  obligations  under this  Agreement  (including all or a
portion  of  its  Commitment  and/or  the  Advances   (including  such  Lender's
participations in Letter of Credit  Obligations) owing to it); provided that (i)
such Lender's obligations under this Agreement shall remain unchanged, (ii) such
Lender shall  remain  solely  responsible  to the other  parties  hereto for the
performance of such obligations and (iii) the Borrower, the Administrative Agent
and the other  Lenders  shall  continue  to deal solely and  directly  with such
Lender in  connection  with such  Lender's  rights  and  obligations  under this
Agreement.  Any agreement or instrument  pursuant to which a Lender sells such a
participation  shall  provide  that such Lender  shall  retain the sole right to
enforce this Agreement and to approve any amendment,  modification  or waiver of
any provision of this Agreement;  provided that such agreement or instrument may
provide that such Lender will not, without the consent of the Participant, agree
to any amendment, waiver or other modification described in the first proviso to
Section 9.01 that  directly  affects such  Participant.  Subject to the last two
sentences of this paragraph (d),  Borrower agrees that each Participant shall be
entitled to the benefits of, and be bound by the terms of, Sections 2.12,  2.13,
2.14,  9.04,  9.05 and 9.06 to the same  extent  as if it were a Lender  and had
acquired its interest by  assignment  pursuant to paragraph (b) of this Section.
To the extent  permitted by law, each  Participant also shall be entitled to the
benefits of Section 7.04 as though it were a Lender,  provided such  Participant
agrees to be subject to Section 2.11 as though it were a Lender.  A  Participant
shall not be entitled to receive any greater  payment under Section 2.13 or 2.14
than the  applicable  Lender would have been entitled to receive with respect to
the participation sold to such Participant, unless the sale of the participation
to such  Participant  is made  with the  Borrower's  prior  written  consent.  A
Participant  that  would be a Foreign  Lender  if it were a Lender  shall not be
entitled to the  benefits of Section 2.14 unless the Borrower is notified of the
participation  sold to such  Participant and such  Participant  agrees,  for the
benefit of the Borrower, to comply with Section 2.14 as though it were a Lender.

         (e) Pledge to Federal  Reserve Bank.  Any Lender may at any time pledge
or assign a security  interest  in all or any  portion of its rights  under this
Agreement  to  secure  obligations  of such  Lender,  including  any  pledge  or
assignment to secure  obligations  to a Federal  Reserve Bank;  provided that no
such pledge or assignment  shall release such Lender from any of its obligations
hereunder or substitute  any such pledgee or assignee for such Lender as a party
hereto.

                                       90


         (f) Approved Funds.  Notwithstanding anything to the contrary contained
herein, any Lender that is a Approved Fund may create a security interest in all
or any portion of the Advances  owing to it and the Note,  if any, held by it to
the trustee for holders of obligations owed, or securities  issued, by such Fund
as security for such  obligations or securities,  provided that unless and until
such trustee  actually  becomes a Lender in compliance with the other provisions
of this Section 9.08, (i) no such pledge shall release the pledging  Lender from
any of its obligations  under the Loan Documents and (ii) such trustee shall not
be entitled to exercise any of the rights of a Lender  under the Loan  Documents
even though such trustee may have acquired  ownership rights with respect to the
pledged interest through foreclosure or otherwise.

         (g)  Electronic  Execution  of  Assignments.   The  words  "execution,"
"signed," "signature," and words of like import in any Assignment and Acceptance
shall be deemed to include  electronic  signatures  or the keeping of records in
electronic  form,  each of which shall be of the same legal effect,  validity or
enforceability  as a manually  executed  signature  or the use of a  paper-based
recordkeeping  system,  as the case may be, to the extent and as provided for in
any applicable law,  including the Federal  Electronic  Signatures in Global and
National Commerce Act, the New York State Electronic Signatures and Records Act,
or any other  similar  state laws based on the Uniform  Electronic  Transactions
Act.

         Section 9.09 Confidentiality.  Each of the Administrative Agent and the
Lenders agrees to maintain the  confidentiality  of the  Information (as defined
below),  except that Information may be disclosed (a) to its and its Affiliates'
directors,  officers, employees and agents, including accountants, legal counsel
and other advisors (it being understood that the Persons to whom such disclosure
is made will be  informed of the  confidential  nature of such  Information  and
instructed to keep such Information  confidential),  (b) to the extent requested
by any regulatory  authority  purporting to have jurisdiction over it (including
any  self-regulatory  authority,  such as the National  Association of Insurance
Commissioners),  (c) to the extent required by applicable Legal  Requirements or
by any subpoena or similar legal process,  (d) to any other party hereto, (e) in
connection  with the exercise of any remedies  hereunder or under any other Loan
Document or any action or  proceeding  relating to this  Agreement  or any other
Loan Document or the enforcement of rights hereunder or thereunder,  (f) subject
to an agreement  containing  provisions  substantially the same as those of this
Section,  to (i) any assignee of or Participant in, or any prospective  assignee
of or Participant  in, any of its rights or obligations  under this Agreement or
(ii) any actual or  prospective  counterparty  (or its  advisors) to any swap or
derivative  transaction  relating to the Borrower and its obligations,  (g) with
the consent of the  Borrower or (h) to the extent such  Information  (x) becomes
publicly  available  other  than as a result of a breach of this  Section or (y)
becomes  available  to the  Administrative  Agent or any  Lender or any of their
respective  Affiliates on a  nonconfidential  basis from a source other than the
Borrower.  For purposes of this  Section,  "Information"  means all  information
received  from  any  Loan  Party  relating  to any  Loan  Party  or any of their
respective businesses,  other than any such information that is available to the
Administrative Agent or any Lender or any of its Affiliates on a nonconfidential
basis prior to  disclosure  by any Loan  Party,  provided  that,  in the case of
information  received from a Loan Party after the date hereof,  such information
is  clearly  identified  at the time of  delivery  as  confidential.  Any Person
required to maintain  the  confidentiality  of  Information  as provided in this
Section shall be  considered  to have  complied with its  obligation to do so if
such  Person  has   exercised   the  same   degree  of  care  to  maintain   the


                                       91


confidentiality  of such  Information  as such  Person  would  accord to its own
confidential information in accordance with safe and sound banking practices.

         Section  9.10  Counterparts;   Effectiveness.  This  Agreement  may  be
executed  in  counterparts   (and  by  different  parties  hereto  in  different
counterparts), each of which shall constitute an original, but all of which when
taken together shall constitute a single contract. Except as provided in Section
3.01, this Agreement shall become  effective when it shall have been executed by
the Administrative  Agent and when the Administrative  Agent shall have received
counterparts  hereof that, when taken  together,  bear the signatures of each of
the other parties  hereto.  Delivery of an executed  counterpart  of a signature
page of this  Agreement by telecopy shall be effective as delivery of a manually
executed counterpart of this Agreement.

         Section 9.11 Survival of Representations,  etc. All representations and
warranties  made  hereunder  and in any other Loan  Document  or other  document
delivered  pursuant  hereto or thereto or in  connection  herewith or  therewith
shall   survive  the   execution   and  delivery   hereof  and   thereof.   Such
representations  and  warranties  have  been  or  will  be  relied  upon  by the
Administrative  Agent and each Lender,  regardless of any investigation  made by
the  Administrative  Agent or any Lender or on their behalf and  notwithstanding
that the Administrative  Agent or any Lender may have had notice or knowledge of
any  Default at the time of any  Advance,  and shall  continue in full force and
effect as long as any Advance or any other  Obligation  hereunder  shall  remain
unpaid or unsatisfied or any Letter of Credit shall remain outstanding.

         Section 9.12  Severability.  If any provision of this  Agreement or the
other Loan Documents is held to be illegal,  invalid or  unenforceable,  (a) the
legality,  validity  and  enforceability  of the  remaining  provisions  of this
Agreement and the other Loan Documents shall not be affected or impaired thereby
and (b) the parties  shall  endeavor in good faith  negotiations  to replace the
illegal,  invalid or unenforceable provisions with valid provisions the economic
effect of which comes as close as possible  to that of the  illegal,  invalid or
unenforceable  provisions.  The  invalidity  of  a  provision  in  a  particular
jurisdiction shall not invalidate or render  unenforceable such provision in any
other jurisdiction.

         Section 9.13 Interest Rate Limitation.  Notwithstanding anything to the
contrary contained in any Loan Document,  the interest paid or agreed to be paid
under  the  Loan   Documents   shall  not  exceed  the  Maximum   Rate.  If  the
Administrative  Agent or any Lender  shall  receive  interest  in an amount that
exceeds the Maximum Rate, the excess  interest shall be applied to the principal
of the  Advances  or, if it  exceeds  such  unpaid  principal,  refunded  to the
Borrower.  In  determining  whether the interest  contracted  for,  charged,  or
received by the Administrative  Agent or a Lender exceeds the Maximum Rate, such
Person  may,  to the extent  permitted  by  applicable  Legal  Requirement,  (a)
characterize  any payment that is not  principal as an expense,  fee, or premium
rather than interest, (b) exclude voluntary prepayments and the effects thereof,
and (c) amortize,  prorate,  allocate,  and spread in equal or unequal parts the
total amount of interest  throughout the  contemplated  term of the  Obligations
hereunder.

         Section 9.14  Governing  Law. This Agreement and each of the other Loan
Documents  shall be governed by and construed in accordance with the laws of the
State of New York and the applicable laws of the United States of America.

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         Section 9.15 Submission to  Jurisdiction;  Waiver of Venue;  Service of
Process.

         (a)  Submission to  Jurisdiction.  The Borrower,  the Lenders,  and the
other parties hereto irrevocably and unconditionally submits, for itself and its
property,  to the  nonexclusive  jurisdiction  of the courts of the State of New
York sitting in New York City and of the United  States  District  Court for the
Southern  District  of the State of New York and any  appellate  court  from any
thereof,  in any  action  or  proceeding  arising  out of or  relating  to  this
Agreement or any other Loan Document,  or for  recognition or enforcement of any
judgment,  and each of the parties hereto irrevocably and unconditionally agrees
that all  claims in respect of any such  action or  proceeding  may be heard and
determined in such New York State court or, to the fullest  extent  permitted by
applicable law, in such Federal court.  Each of the parties hereto agrees that a
final  judgment in any such action or proceeding  shall be conclusive and may be
enforced in other  jurisdictions  by suit on the judgment or in any other manner
provided by law.  Nothing in this  Agreement or in any other Loan Document shall
affect any right that the Administrative Agent, any Lender or the Issuing Lender
may otherwise have to bring any action or proceeding  relating to this Agreement
or any other Loan  Document  against the Borrower or any other Loan Party or its
properties in the courts of any jurisdiction.

         (b) Waiver of Venue.  Each of the  Borrower,  the Lenders and the other
parties hereto  irrevocably and  unconditionally  waives,  to the fullest extent
permitted by applicable  law, any objection that it may now or hereafter have to
the laying of venue of any action or  proceeding  arising  out of or relating to
this  Agreement or any other Loan Document in any court referred to in paragraph
(a) of this Section.  Each of the parties hereto hereby  irrevocably  waives, to
the fullest extent  permitted by applicable  law, the defense of an inconvenient
forum to the maintenance of such action or proceeding in any such court.

         (c)  Service of  Process.  Each party  hereto  irrevocably  consents to
service of process in the manner provided for notices in Section 9.02 other than
by electronic mail. Nothing in this Agreement will affect the right of any party
hereto to serve process in any other manner permitted by applicable law.

         Section 9.16 Waiver of Jury Trial.  EACH PARTY TO THIS AGREEMENT HEREBY
EXPRESSLY AND IRREVOCABLY  WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE
LEGAL  REQUIREMENTS,  ANY  RIGHT  IT MAY  HAVE TO  TRIAL  BY  JURY IN ANY  LEGAL
PROCEEDING  DIRECTLY OR INDIRECTLY  ARISING OUT OF OR RELATING TO THIS AGREEMENT
OR ANY OTHER LOAN DOCUMENT OR THE  TRANSACTIONS  CONTEMPLATED  HEREBY OR THEREBY
(WHETHER  BASED ON CONTRACT,  TORT OR ANY OTHER  THEORY).  EACH PARTY HERETO (A)
CERTIFIES  THAT NO  REPRESENTATIVE,  AGENT OR ATTORNEY  OF ANY OTHER  PERSON HAS
REPRESENTED,  EXPRESSLY OR  OTHERWISE,  THAT SUCH OTHER PERSON WOULD NOT, IN THE
EVENT OF LITIGATION,  SEEK TO ENFORCE THE FOREGOING  WAIVER AND (B) ACKNOWLEDGES
THAT IT AND THE OTHER  PARTIES  HERETO  HAVE  BEEN  INDUCED  TO ENTER  INTO THIS
AGREEMENT  AND THE OTHER LOAN  DOCUMENTS  BY,  AMONG  OTHER  THINGS,  THE MUTUAL
WAIVERS  AND  CERTIFICATIONS  IN THIS  SECTION.  EACH  PARTY  HEREBY  AGREES AND


                                       93


CONSENTS THAT THIS AGREEMENT MAY FILE AN ORIGINAL  COUNTERPART OR A COPY OF THIS
SECTION  WITH ANY COURT AS WRITTEN  EVIDENCE OF THE  CONSENT OF THE  SIGNATORIES
HERETO TO THE WAIVER OF THEIR RIGHT TO TRIAL BY JURY.

         Section  9.17 USA Patriot  Act.  Each Lender that is subject to the Act
(as  hereinafter  defined) and the  Administrative  Agent (for itself and not on
behalf  of any  Lender)  hereby  notifies  the  Borrower  that  pursuant  to the
requirements  of the USA Patriot Act (Title III of Pub. L. 107-56  (signed  into
law October 26, 2001)) (the "Act"), it is required to obtain,  verify and record
information that identifies the Borrower,  which  information  includes the name
and address of the Borrower and other information that will allow such Lender or
the Administrative Agent, as applicable,  to identify the Borrower in accordance
with the Act.

         Section  9.18  Restatement.  This  Agreement  amends and  restates  the
Existing  Agreement in its  entirety.  Borrower  hereby agrees that (a) the Debt
outstanding  under the Existing  Agreement and the Loan Documents (as defined in
the Existing  Agreement;  together  with the Existing  Agreement,  the "Existing
Credit  Documents")  and all  accrued  and unpaid  interest  thereon and (b) all
accrued and unpaid fees under the Existing Credit Documents,  shall be deemed to
be  outstanding   under  and  governed  by  this   Agreement.   Borrower  hereby
acknowledges,  warrants,  represents  and  agrees  that  this  Agreement  is not
intended  to be,  and  shall not be deemed or  construed  to be, a  novation  or
release of the Existing Credit  Documents.  Each Lender (which is a Lender under
the Existing  Credit  Documents)  hereby waives any  requirements  for notice of
prepayment,  minimum  amounts of  prepayments of the loans  thereunder,  ratable
reductions of the commitments of Lenders under the Existing Credit Documents and
ratable  payments on account of the  principal or interest of any loan under the
Existing Credit Documents to the extent that any such prepayment,  reductions or
payments are required to ensure that, upon the  effectiveness of this Agreement,
the loans of the Lenders shall be  outstanding  on a ratable basis in accordance
with  their   respective   Pro  Rata  Share.   Each  Lender  hereby   authorizes
Administrative  Agent and Borrower to request  Borrowings from Lenders,  to make
prepayment  of the loans under the Existing  Credit  Documents and to reduce the
commitments under the Existing Credit Documents among Lenders in order to ensure
that, upon the  effectiveness  of this Agreement,  the loans of Lenders shall be
outstanding  on a ratable basis in  accordance  with their  respective  Pro Rata
Share.

         Section  9.19  Intercreditor  Agreement.  The  Administrative  Agent is
hereby  authorized  on behalf of the Lenders for the Lenders and its  Affiliates
that are Swap Counterparties to enter into the Intercreditor  Agreement.  A copy
of such Intercreditor  Agreement will be made available to each Secured Party on
the  Closing  Date and  thereafter  upon  request.  Each  Lender  and each  Swap
Counterparty  (by  receiving  the  benefits  thereunder  and of the  Collateral)
acknowledges and agrees to the terms of such Intercreditor  Agreement and agrees
that the terms thereof shall be binding on such Secured Party and its successors
and assigns, as if it were a party thereto.

         Section 9.20  Integration.  This Agreement and the other Loan Documents
represent the final  agreement  among the parties and may not be contradicted by
evidence  of  prior,  contemporaneous,  or  subsequent  oral  agreements  of the
parties. There are no unwritten oral agreements among the parties.

                                       94



                    [Remainder of this page intentionally left blank. Signature
page follows.]


                                       95



             Signature page to Amended and Restated Credit Agreement
         EXECUTED as of the date first above written.

BORROWER:                               ABRAXAS ENERGY PARTNERS, L.P.
                                        By:      Abraxas General Partner, LLC,
                                                 its general partner

                                        By:
                                           ----------------------------------
                                           Barbara M. Stuckey
                                           President and Chief Operating Officer






ADMINISTRATIVE AGENT/
ISSUING LENDER:                        SOCIETE GENERALE


                                       By:
                                          -------------------------------------
                                          Elena Robciuc
                                          Director






LENDERS:                              SOCIETE GENERALE


                                      By:
                                         --------------------------------------
                                         Elena Robciuc
                                         Director






                                  COMERICA BANK


                                  By:
                                    -------------------------------------------
                                  Name:
                                      -----------------------------------------
                                  Title:
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                                 THE ROYAL BANK OF CANADA


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                                 Title:
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                                 THE ROYAL BANK OF SCOTLAND PLC


                                 By:
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                                 Name:
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                                 Title:
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