LONE STAR ENERGY PLANT OPERATIONS INC
8-B12B, 1997-04-18
ELECTRIC & OTHER SERVICES COMBINED
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<PAGE>
 


                            FORM 8-B
 
 
               SECURITIES AND EXCHANGE COMMISSION
 
                    Washington, D.C.  20549
 
 
 
    Registration of Securities of Certain Successor Issuers
 
 
                               
           Filed Pursuant to Section 12(b) or (g) of
              The Securities Exchange Act of 1934
                                
 
 
 
            Lone Star Energy Plant Operations, Inc.
     (Exact name of Registrant as specified in its charter)
 
 
           Texas                                75-2421863 
 (State or other jurisdiction of             (I.R.S. Employer
  incorporation or organization)             Identification No.)
 
 
        1817 Wood Street
         Dallas, Texas                           75201-5598 
 (Address of principal executive offices)        (Zip Code)
 
 
 
 
 
 Securities to be registered pursuant to Section 12(b) of the Act:
 
    Title of each class           Name of each exchange on which
    to be so registered           each class is to be registered
    -------------------           ------------------------------
 
    Common Stock,                 New York Stock Exchange, Inc.
    $.01 par value 
    per share 
 
 
 
 Securities to be registered pursuant to Section 12(g) of the Act:
 
                             None 
                        (Title of class)
 
<PAGE>
<PAGE>

Item 1.  General Information
 
    Lone Star Energy Plant Operations, Inc. (the "Registrant") was
 organized as a Texas corporation on March 31, 1992.  The Registrant's
 fiscal year ends on December 31. 
 
 Item 2.  Transaction of Succession
 
    The Registrant is to be the survivor of a merger (the "Merger") with
 Enserch Exploration, Inc. ("EEX"), a Texas corporation that has its common
 stock registered pursuant to Section 12(b) of the Securities Exchange Act
 of 1934.  In the Merger, each outstanding share of common stock of EEX will
 be converted into one share of common stock of the Registrant.  In the
 Merger, the name of the Registrant will be changed to Enserch Exploration,
 Inc.
 
 Item 3.  Securities to be Registered
 
    The Registrant (i) has 400,000,000 shares of common stock presently
 authorized, (ii) has 10 shares of common stock currently outstanding and
 will have approximately 126,943,698 shares of common stock outstanding
 immediately after the Merger and (iii) has no shares of common stock
 presently issued which are held by or for the account of the Registrant.
 
 Item 4.  Description of Registrant's Securities to be Registered
 
    Reference is made to "Description of Capital Stock" in the
 Registrant's Registration Statement on Form S-4, registration number
 333-13241 (the "S-4"), which is hereby incorporated by reference.
 
 Item 5.  Financial Statements and Exhibits
 
    Financial Statements
 
    Not applicable, since the capital structure and balance sheet of the
 Registrant immediately after the succession will be substantially the same
 as those of EEX.  
 
    Exhibits 
 
       1      Agreement and Plan of Merger dated as of September 10,
              1996, between the Registrant and EEX (included as Annex A
              to the Joint Proxy Statement/Prospectus that forms a part
              of the S-4)(1)
 
       2      Joint Proxy Statement/Prospectus of the Registrant and EEX
              dated October 2, 1996 (included as part of the S-4)(1)
 
       3      Restated Articles of Incorporation of the Registrant
              (included as Annex C to the Joint Proxy
              Statement/Prospectus that forms a part of the S-4)(1)
 
       4      Bylaws of the Registrant (included as Annex D to the Joint
              Proxy Statement/Prospectus that forms a part of the
              S-4)(1)
 
       5      Form of Common Stock Certificate, filed as an Exhibit to
              EEX's Registration Statement on Form S-4 (No. 33-56792)(1)
 
       6      Master Lease Agreement dated as of October 18, 1996,
              between Enserch Exploration Holdings, Inc. and The CIT
              Group/Commercial Services, Inc. for Mississippi Canyon
              Block 441 Production System
 
       7      Participation Agreement (1996-A) dated November 15, 1996,
              among Enserch Exploration, Inc., Lessee; Cooper Project,
              L.L.C.; Wilmington Trust Company, Corporate Grantor
              Trustee; Thomas P. Laskaris, Individual Grantor Trustee;
              The Bank of New York, Pass Through Trustee and Loan
              Participant; The Bank of New York, Corporate Indenture
              Trustee; and Frederick W. Clark, Individual Indenture
              Trustee
 
       8      Production System Lease Agreement dated as of November 15,
              1996, among Wilmington Trust Company, as Corporate Grantor
              Trustee, and Thomas P. Laskaris, as Individual Grantor
              Trustee, Lessor and Enserch Exploration, Inc., Lessee, for
              Garden Banks 388.
 
       9      Participation Agreement between EP Operating Limited
              Partnership and Mobil Producing Texas and New Mexico Inc.,
              filed as Exhibit 10.6 to EEX's Registration Statement on
              Form S-4 (No 33-56792)(1)
 
      10      Stock Purchase Agreement dated as of April 12, 1995, by
              and between PG&E Enterprises, as Seller, and EEX, as
              Buyer, filed as Exhibit 10.7 to EEX's Registration
              Statement on Form S-2 (No. 33-60461)(1)
 
      11      Gas Purchase Contract between EP Operating Company and
              Lone Star Gas Company, a division of ENSERCH Corporation,
              dated January 1, 1988, Amendatory Agreement dated June 1,
              1990, Amendatory Agreement dated July 1, 1992 and Letter
              Amendment dated August 30, 1993, filed as Exhibit 10.5 to
              EEX's Form 10-K for the year ended December 31, 1994(1)
 
      12      Natural Gas Sales and Purchase Contract between EP
              Operating Limited Partnership and Enserch Gas Company,
              each effective March 1, 1993, filed as Exhibit 10.9 to
              EEX's Registration Statement on Form S-2 (No. 33-60461)(1)
 
      13      Natural Gas Sales and Purchase Contract between EP
              Operating Limited Partnership and Enserch Gas Company,
              each effective March 1, 1993, and amendment effective
              November 1, 1994, filed as Exhibit 10.10 to EEX's
              Registration Statement on Form S-2 (No. 33-60461)(1)
 
      14      Agency Agreement between EP Operating Limited Partnership
              and Enserch Gas Company effective March 1, 1993, filed as
              Exhibit 10.11 to EEX's Registration Statement on Form S-2
              (No. 33-60641)(1)
 
      15      Credit Agreement among Enserch Exploration, Inc. as
              Borrower, Texas Commerce Bank National Association, as
              Administrative Agent, The Chase Manhattan Bank, N.A., as
              Syndication Agent, Chemical Bank, as Auction Agent and The
              Lenders now or hereafter Parties thereto dated as of
              May 1, 1995, filed as Exhibit 10.19 to EEX's Registration
              Statement on Form S-2 (No. 33-60641)(1)
 
      16      Tax Sharing Agreement between ENSERCH Corporation and
              Enserch Exploration, Inc., filed as Exhibit 10.21 to EEX's
              Registration Statement on Form S-2 (No. 33-60461)(1)
 
      17      Amended and Restated Limited Liability Company Agreement
              of MIStS Issuer L.L.C. dated August 4, 1995, filed as
              Exhibit 10.22 to EEX's Registration Statement on Form S-2
              (No. 33-60461)(1)
 
      18      Performance Incentive Plan - Calendar Year 1997, filed as
              Exhibit 10.15 to EEX's Annual Report on Form 10-K for the
              year ended December 31, 1996(1)
 
      19      ENSERCH Corporation Retirement Income Restoration Plan
              dated December 28, 1990, and Amendment No. 1 thereto dated
              September 30, 1994, Amendment No. 1-A dated February 13,
              1996, and Amendment No. 2 effective January 1, 1996, filed
              as Exhibit 10.18 to EEX's Form 10-K for the year ended
              December 31, 1996(1)
 
      20      ENSERCH Corporation Retirement Income Restoration Trust
              dated September 30, 1994, and Amendment No. 1 thereto
              effective January 1, 1996, filed as Exhibit 10.19 to EEX's
              Annual Report on Form 10-K for the year ended December 31,
              1996(1)
 
      21      Form of Change of Control Agreement executed by certain
              executive officers of the Registrant, filed as Exhibit
              10.20 to EEX's Annual Report on Form 10-K for the year
              ended December 31, 1996(1)
 
      22      Form of Distribution Agreement among ENSERCH Corporation,
              EEX, the Registrant and Holding Company (included as Annex
              A-1 to the Agreement and Plan of Merger)(1)
 
      23      Revised and Amended 1996 Stock Incentive Plan of EEX
              (included as Annex A-2 to the Agreement and Plan of
              Merger)(1)
 
      24      Form of Tax Allocation Agreement among ENSERCH
              Corporation, the Registrant and TUC and attached Tax
              Sharing Agreement dated as of January 1, 1995 between
              ENSERCH and EEX (included as Annex A-3 to the Agreement
              and Plan of Merger)(1)
 
      25      Form of Tax Assurance Agreement between ENSERCH
              Corporation and the Registrant (included as Annex A-4 to
              the Agreement and Plan of Merger)(1)
 
      26      Rights Agreement dated as of September 10, 1996 between
              the Registrant and Harris Trust Company of New York as
              Rights Agent, filed as an Exhibit to the S-4(1)
 
      27      Form of Employment Bonus Agreement executed by certain
              executive officers, filed as an Exhibit to the S-4(1)
 
 ---------------------
    (1)  Incorporated by reference.


 <PAGE>
<PAGE>
                           SIGNATURE
 
    Pursuant to the requirements of Section 12 of the Securities Exchange
 Act of 1934, the Registrant has duly caused this application for
 registration (or registration statement) to be signed on its behalf by the
 undersigned, thereunto duly authorized.
 
                             Lone Star Energy Plant Operations, Inc.
                                          (Registrant)
 
 Date:  April 16, 1997       By:  /s/ A. E. Gallatin
                                  ---------------------------------------
                                  A. E. Gallatin
                                  Vice President and Treasurer
 

<PAGE>

                          MASTER Lease Agreement

                                 dated as of 
                               October 18, 1996

                                   between

                       Enserch Exploration Holdings, Inc.,
                               as Head Lessor

                                    and

                    The Cit Group/COMMERCIAL SERVICES, Inc.,
                               as Head Lessee

                             Mississippi Canyon 
                                  Block 441
                             Production System

                             




<PAGE>
<PAGE>

                              TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                         Page
<S>                                                                      <C>
SECTION 1.     DEFINITION                                                  1

SECTION 2.     LEASE OF UNDIVIDED INTEREST                                 2

Section 2.1    Undivided Interest                                          2

Section 2.2    Personal Property                                           2

SECTION 3.     TERM AND RENT                                               2

Section 3.1    Basic Term                                                  2

Section 3.2    Renewal Term                                                3

Section 3.3    Head Lease Rent                                             3 

Section 3.4    Nonterminability                                            3

SECTION 4.     DISCLAIMER OF WARRANTIES                                    4
  
SECTION 5.     RIGHT OF QUIET ENJOYMENT                                    4

SECTION 6.     RETURN OF UNDIVIDED INTEREST                                5

SECTION 7.     LIENS                                                       5

SECTION 8.     OPERATION AND MAINTENANCE; REPLACEMENT COMPONENTS           5

Section 8.1    Operation and Maintenance                                   5

Section 8.2    Replacement Components                                      5

SECTION 9.     MODIFICATIONS                                               6

SECTION 10.    EARLY TERMINATION OF HEAD LEASE TERM                        6

Section 10.1   Early Termination During the Sublease Term                  6

Section 10.2   Early Termination; Purchase Option                          6

SECTION 11.    INSPECTION                                                  7

SECTION 12.    REPRESENTATIONS AND WARRANTIES OF THE HEAD LESSOR           7

Section 12.1     Due Organization                                          7

Section 12.2     Authorization                                             7
  
Section 12.3     Execution; Enforceability                                 7

Section 12.4      No Violation                                             8

Section 12.5      Consents and Approvals                                   8

Section 12.6      Litigation                                               8

Section 12.7      Investment Company Act                                   9

Section 12.8      Holding Company                                          9

SECTION 13.       REPRESENTATIONS AND WARRANTIES OF THE HEAD LESSEE        9

Section 13.1      Due Organization                                         9

Section 13.2      Authorization; Execution; Enforceability                 9

Section 13.3      No Violation                                            10

Section 13.4      Investment Company Act                                  11

Section 13.5      Litigation                                              11

Section 13.5      ERISA                                                   11

SECTION 14.       MISCELLANEOUS                                           11

Section 14.1      Amendments and Waivers                                  11

Section14.2       Notices                                                 11

Section 14.3      Survival                                                12

Section 14.4      Successors and Assigns                                  12

Section 14.6      Governing Law                                           12

Section 14.7      Severability                                            13

Section 14.8      Counterparts                                            13

Section 14.9      Headings and Table of Contents                          13

Section 14.10     Further Assurances                                      13

Section 14.11     Effectiveness of Head Lease                             13

</TABLE>

Exhibit A - Description of Production System

<PAGE>
<PAGE>
                            MASTER LEASE AGREEMENT

          This MASTER LEASE AGREEMENT, dated as of October18, 1996 (this "Head
Lease"), between ENSERCH EXPLORATION HOLDINGS, INC., a Delaware corporation,
as lessor (the "Head Lessor"), and THE CIT GROUP/COMMERCIAL SERVICES, INC., a
New York corporation, as lessee (the "Head Lessee").

          WHEREAS, the Head Lessor is the owner of a 37.5% undivided interest
in the Production System described on Exhibit A to this Head Lease;

          WHEREAS, pursuant to the Operating Agreement, Enserch Exploration,
Inc. ("Enserch") (as successor to EP Operating Limited Partnership) and
Petrofina Delaware, Incorporated and Agip Petroleum Co. Inc., as owners of the
balance of the undivided interest in the Production System, established their
respective rights and obligations in respect of the Production System and
appointed Enserch, as successor to EP Operating Limited Partnership, as the
operator of the Production System;
 
          WHEREAS, pursuant to this Head Lease, the Head Lessor proposes to
lease to the Head Lessee a 37.5% undivided interest in the Production System
on terms and conditions set forth herein; and
 
          WHEREAS, pursuant to the Sublease, the Head Lessee will lease the
Production System to Enserch Exploration, Inc., a Texas corporation, for a
term which shall end prior to the expiration of the term of this Head Lease;

          NOW, THEREFORE, in consideration of the foregoing premises and other
good and valuable consideration, the receipt and sufficiency of which are
hereby acknowledged, the parties hereto agree as follows:

                              SECTION 1.  DEFINITIONS.

          Capitalized terms used in this Head Lease and not otherwise defined
herein shall have the respective meanings set forth in Appendix A to the
Sublease Agreement dated as of October 18, 1996, between The CIT
Group/Commercial Services, Inc., as Sublessor, and Enserch Exploration, Inc.,
as Sublessee.  All references to sections, paragraphs, clauses and exhibits
are to sections, paragraphs, clauses and exhibits in this Head Lease unless
otherwise indicated and the words "herein," "hereof" and "hereunder" and other
words of similar import refer to this Head Lease as a whole and not to any
particular section or other subdivision.

          Where any provision in this Head Lease refers to action to be taken
by any Person, or which such Person is prohibited from taking, such provision
shall be applicable whether such action is taken directly or indirectly by
such Person.

                    SECTION 2.  LEASE OF UNDIVIDED INTEREST.

          2.1. Undivided Interest.  The Head Lessor hereby leases a 37.5%
undivided interest in the Production System (the "Undivided Interest") to the
Head Lessee, and the Head Lessee hereby leases the Undivided Interest from the
Head Lessor.  The Head Lessor and the Head Lessee understand and acknowledge
that legal title to the Undivided Interest remains vested in the Head Lessor. 
This Head Lease has been entered into with the intention that the Head Lessee
will be treated as owner of the Undivided Interest for federal income tax
purposes.

          2.2. Personal Property.  The parties hereto stipulate and agree that
the Production System, the Undivided Interest and all Modifications to the
Production System and every portion thereof is severed, and shall be and
remain severed, to the maximum extent permitted by law, from any real estate
underneath the Production System, even if physically attached thereto.  To the
maximum extent permitted by law, the parties agree that the Production System,
the Undivided Interest and all such Modifications shall constitute personal
property and shall not be or become fixtures or otherwise part of the real
estate underneath the Production System or of any other real property.

                           SECTION 3.  TERM AND RENT.

          3.1. Basic Term.  The term of this Head Lease shall commence on the
Closing Date and shall terminate at 11:59 p.m. (New York City time) on October
10, 2040 (the "Head Lease Basic Term"), unless earlier terminated pursuant to
the provisions of Section 10 hereof.

          3.2. Renewal Term.  At the expiration of the Head Lease Basic Term
or any Head Lease Renewal Term, the Head Lessee may renew this Head Lease for
an additional term or terms of not less than 1 year each (each an "Head Lease
Renewal Term" and, together with the Head Lease Basic Term, the "Head Lease
Term") by giving to the Head Lessor 180 days prior written notice; provided
that the Head Lessee shall be permitted to renew the term of this Head Lease
for a Head Lease Renewal Term only if on the date that notice of such renewal
is given and at the commencement of such Head Lease Renewal Term, no
determination has been made in accordance with Article 17 of the Operating
Agreement to retire or abandon the Production System.

          3.3. Head Lease Rent.  The Head Lessee hereby agrees to pay the Head
Lessor rent for the Head Lease Basic Term in a single installment in the
amount of $16,142,000 (the "Head Lease Basic Rent"), which amount will be paid
on the Closing Date.  The Head Lessor acknowledges receipt of such amount in
full satisfaction of the Head Lessee's obligation to pay rent during the Head
Lease Basic Term.  If the Head Lessee elects to renew the term of the Head
Lease for a Head Lease Renewal Term or Terms, pursuant to Section 3.2 hereof,
the Head Lessee agrees to pay to the Head Lessor annual nominal rent during
each Head Lease Renewal Term of $100, which amount shall be due and payable in
advance on each October 11 of each year during such Head Lease Renewal Term.

          3.4. Nonterminability.  Subject to Section 10 hereof, this Head
Lease shall not terminate, nor shall any of the rights granted and conveyed
hereunder to the Head Lessee be extinguished, lost or otherwise impaired, in
whole or in part, by any circumstances of any character or for any reason
whatsoever, including, without limitation, the following:  (a) any damage to
or loss or destruction of all or any part of the Production System for any
reason whatsoever and of whatever duration, (b) the condemnation, requisition
(by eminent domain or otherwise), seizure or other taking of title or use of
the Production System by any Governmental Authority or otherwise, (c) any
prohibition, limitation or restriction on the use by any Person of all or any
part of its property or the interference with such use by any Person, or any
eviction by paramount title or otherwise, (d) any inadequacy, incorrectness or
failure of the description of the Production System or any part thereof or any
rights or property in which an interest is intended to be granted or conveyed
by this Head Lease, (e) the insolvency, bankruptcy, reorganization or similar
proceedings by or against the Head Lessor or the Head Lessee or any other
Person, (f)failure by the Head Lessee to comply with Section 6, 7 or 8 hereof
or (g)any other reason whatsoever, whether similar or dissimilar to any of the
foregoing.

                        SECTION 4.  DISCLAIMER OF WARRANTIES.

         WITHOUT WAIVING ANY CLAIM THE HEAD LESSEE MAY HAVE AGAINST ANY
MANUFACTURER, VENDOR OR CONTRACTOR, THE HEAD LESSEE ACKNOWLEDGES AND AGREES
SOLELY FOR THE BENEFIT OF THE HEAD LESSOR THAT (a)THE PRODUCTION SYSTEM AND
EACH COMPONENT THEREOF ARE OF A SIZE, DESIGN, CAPACITY AND MANUFACTURE
ACCEPTABLE TO THE HEAD LESSEE, (b)THE HEAD LESSEE IS SATISFIED THAT THE
PRODUCTION SYSTEM AND EACH COMPONENT THEREOF ARE SUITABLE FOR THEIR RESPECTIVE
PURPOSES, (c)THE HEAD LESSOR IS NOT A MANUFACTURER OR A DEALER IN PROPERTY OF
SUCH KIND, (d) THE PRODUCTION SYSTEM AND EACH COMPONENT THEREOF ARE LEASED
HEREUNDER SUBJECT TO ALL APPLICABLE LAWS NOW IN EFFECT OR HEREAFTER ADOPTED
AND IN THE STATE AND CONDITION OF EVERY PART THEREOF WHEN THE SAME FIRST
BECAME SUBJECT TO THIS HEAD LEASE WITHOUT REPRESENTATION OR WARRANTY OF ANY
KIND BY THE HEAD LESSOR AND (e) THE HEAD LESSOR LEASES AND THE HEAD LESSEE
TAKES THE UNDIVIDED INTEREST UNDER THIS HEAD LEASE "AS-IS", "WHERE-IS" AND
"WITH ALL FAULTS", AND THE HEAD LESSEE ACKNOWLEDGES THAT THE HEAD LESSOR MAKES
NO, NOR SHALL BE DEEMED TO HAVE MADE, AND EXPRESSLY DISCLAIMS, ANY AND ALL
RIGHTS, CLAIMS, WARRANTIES OR REPRESENTATIONS, EITHER EXPRESS OR IMPLIED, AS
TO THE VALUE, CONDITION, FITNESS FOR ANY PARTICULAR PURPOSE, DESIGN,
OPERATION, OR MERCHANTABILITY THEREOF OR AS TO THE QUALITY OF THE MATERIAL OR
WORKMANSHIP THEREOF OR CONFORMITY THEREOF TO SPECIFICATIONS, FREEDOM FROM
PATENT, COPYRIGHT OR TRADEMARK INFRINGEMENT, THE ABSENCE OF ANY LATENT OR
OTHER DEFECT, WHETHER OR NOT DISCOVERABLE, OR AS TO THE ABSENCE OF ANY
OBLIGATIONS BASED ON STRICT LIABILITY IN TORT OR ANY OTHER EXPRESS OR IMPLIED
REPRESENTATION OR WARRANTY WHATSOEVER WITH RESPECT THERETO, except that the
Head Lessor represents and warrants to the Head Lessee that the Head Lessor
has good and valid title to the Undivided Interest, free and clear of all
Liens other than Permitted Liens.

                    SECTION 5.  RIGHT OF QUIET ENJOYMENT.

          The Head Lessor agrees that, notwithstanding any other provision of
any of the Operative Documents, so long as this Head Lease has not been
terminated pursuant to the express provisions of Section 10 hereof, it shall
not through its own actions or inactions interfere with or interrupt the quiet
enjoyment of the use and possession by the Head Lessee of the Undivided
Interest subject to the terms hereof.

                  SECTION 6.  RETURN OF UNDIVIDED INTEREST.

          Upon termination of this Head Lease pursuant to Section 10.2 or,
subject to Section 10.1, on the last day of the Head Lease Term, the Head
Lessee shall return the Undivided Interest by delivering constructive
possession of the same to the Head Lessor as is and where is without
representation or warranty other than that the Undivided Interest is free and
clear of all Sublessor's Liens, without any other liability or cost to the
Head Lessee.  The obligations of the Head Lessee under this Section 6 shall
survive termination of this Head Lease.

                              SECTION 7.  LIENS.

The Head Lessee agrees that it will not, directly or indirectly create, incur,
assume or suffer to exist any Sublessor's Liens on or with respect to the
Undivided Interest or the Production System, and the Head Lessee shall
promptly notify the Head Lessor of the imposition of any such Lien of which
the Head Lessee is aware and shall promptly, at its own expense, take such
action as may be necessary to discharge any such Lien.

       SECTION 8.  OPERATION AND MAINTENANCE; REPLACEMENT COMPONENTS.

          8.1. Operation and Maintenance.  The Head Lessee covenants and
agrees to maintain and insure the Undivided Interest, or cause the Undivided
Interest to be maintained and insured, in accordance with the Operating
Agreement.  The execution and delivery of the Sublease shall be deemed
compliance by the Head Lessee with its covenants set forth in this Section 8.1
during the Sublease Term without any further action by the Head Lessee,
whether or not the Sublessee shall comply with the corresponding obligations
under the Sublease.

          8.2. Replacement Components.  An undivided interest equal to the 
Sublessor's Share in all Replacement Components incorporated in the 
Production System during the Head Lease Term in accordance with the Sublease
or the Operating Agreement shall automatically become subject 
to this Head Lease without any action by any Person whatsoever and shall be 
deemed to be a part of the Production System and the Undivided Interest for all 
purposes of this Head Lease.

                           SECTION 9.  MODIFICATIONS.

          An undivided interest equal to the Sublessor's Share in all
Modifications to the Production System referred to in Section 11.5(b) of the
Sublease and made during the Head Lease Term shall automatically become
subject to this Head Lease without any action by any Person whatsoever and
shall be deemed to be a part of the Production System and the Undivided
Interest for all purposes of this Head Lease.

               SECTION 10.  EARLY TERMINATION OF HEAD LEASE TERM.

          10.1. Early Termination During the Sublease Term.  The Head Lease
Term in respect of the Undivided Interest or any Significant Portion shall
terminate prior to the scheduled expiration date of the Head Lease Basic Term
if the Sublease as it relates to the Undivided Interest or such Significant
Portion is terminated pursuant to Section 7 or 12 thereof or if the Sublessee
purchases the Undivided Interest pursuant to Section 6 of the Sublease.  Upon
satisfaction of the requirements of the relevant section of the Sublease, the
Head Lease Term shall terminate without any action of any Person whatsoever
and the Head Lessor and the Head Lessee agree to comply with the provisions of
the applicable section of the Sublease in connection with such termination.

          10.2. Early Termination; Purchase Option.  At any time following the
expiration or termination of the Sublease Term, the Head Lessee shall have the
right to terminate the Head Lease and return the Undivided Interest to the
Head Lessor by delivering constructive possession thereof to the Head Lessor
in accordance with Section 6.  At any time after the Closing Date, the Head
Lessee shall have the right to purchase from the Head Lessor all of its right,
title and interest in and to the Production System for $1.00.  If the Head
Lessee shall exercise its option to purchase such interest pursuant to this
Section 10.2, on the purchase date the Head Lessor shall transfer to the Head
Lessee all of the Head Lessor's right, title and interest in and to the
Production System, as is and where is and without any representation or
warranty, upon payment to the Head Lessor of the purchase price therefor, and
the Head Lessor shall, at the Head Lessee's expense, execute and deliver to
the Head Lessee a bill of sale or assignment and such other instruments and
documents as the Head Lessee may reasonably request to evidence the valid
consummation of such transfer. 

                              SECTION 11.  INSPECTION.

          During the Sublease Term, the rights of the Head Lessee to inspect
the Production System shall be governed by Section 11.2 of the Sublease.

     SECTION 12.  REPRESENTATIONS AND WARRANTIES OF THE HEAD LESSOR

         The Head Lessor represents and warrants to the Head Lessee that on 
the Closing Date:

          12.1. Due Organization.  The Head Lessor is a corporation duly
organized, validly existing and in good standing under the laws of the State
of Delaware and has the corporate power and authority to carry on its business
as presently conducted and as it is contemplated it will be conducted in
connection with the Undivided Interest, to own or hold under lease its
properties, and to enter into and perform its obligations under this Head
Lease.

          12.2. Authorization.  The execution, delivery and performance by the
Head Lessor of this Head Lease and of the transactions contemplated hereby
have been duly authorized by all necessary corporate action on the part of the
Head Lessor and do not and will not require the consent or approval of any
shareholder of the Head Lessor or any trustee or holder of any indebtedness or
other obligation of the Head Lessor.

          12.3. Execution; Enforceability.  This Head Lease has been duly
executed and delivered by the Head Lessor and, assuming the due authorization,
execution and delivery hereof by the Head Lessee, is a legal, valid and
binding obligation of the Head Lessor, enforceable against the Head Lessor in
accordance with its terms, except as such enforceability may be limited by
applicable bankruptcy, insolvency, reorganization, liquidation, moratorium or
similar laws affecting creditors' or lessors' rights generally and by the
application of general equitable principles which may limit the availability
of certain remedies.

          12.4. No Violation.  The execution and delivery by the Head Lessor
of this Head Lease do not and will not, and the performance by the Head Lessor
of its obligations hereunder do not and will not, (i)violate or be
inconsistent with its charter documents or by-laws, (ii)contravene any
material Governmental Rule or Governmental Action applicable to it; provided
that no representation or warranty is made with respect to ERISA,
(iii) contravene any provision of, or constitute a default under, any
indenture, mortgage, contract or other agreement or instrument to which the
Head Lessor is a party or by which it or any of its properties are bound, and
(iv) result in, or require the creation or imposition of, any Lien (other than
Permitted Liens) upon any of its properties or assets.

          12.5. Consents and Approvals.  All Governmental Actions which are
required to have been taken, given, obtained, filed or recorded, as the case
may be, on or prior to the Closing Date by, from or with any Governmental
Authority and all other consents, filings or approvals which are required to
have been taken, given, obtained, filed or recorded, as the case may be, on or
prior to the Closing Date by, from or with any other Person, in each case, in
connection with the transactions contemplated by this Head Lease, or to
authorize the execution, delivery and performance by the Head Lessor of this
Head Lease, or the legality, validity, binding effect or enforceability
thereof as against the Head Lessor, have been duly taken, given, obtained,
filed or recorded, as the case may be, except where the failure to have
obtained such Governmental Actions, consents, filings and approvals by the
Closing Date would not materially adversely affect the Undivided Interest or
the ability of the Head Lessor to perform its obligations under this Head
Lease.

          12.6. Litigation.  There is no action, suit, investigation or
proceeding pending or, to the Actual Knowledge of the Head Lessor, threatened
against the Head Lessor or affecting its properties or rights before any
Governmental Authority that questions the validity of this Head Lease which,
individually or in the aggregate, is reasonably likely materially and
adversely to affect (x) the consummation of the transactions under this Head
Lease or (y) the business, operations or properties of the Head Lessor, or its
ability to perform its obligations under this Head Lease.

          12.7. Investment Company Act.  The Head Lessor is not an "investment
company" or a company "controlled" by an "investment company" within the
meaning of the Investment Company Act of 1940, as amended.

          12.8. Holding Company.  The Head Lessor is not subject to regulation
as a "holding company," an "affiliate" of a "holding company," or a
"subsidiary company" of a "holding company," within the meaning of the Public
Utility Holding Company Act of 1935, as amended.

         NOTWITHSTANDING ANYTHING CONTAINED HEREIN ON IN ANY OTHER OPERATIVE
DOCUMENT, THE HEAD LESSOR DOES NOT MAKE NOR SHALL THE HEAD LESSOR BE DEEMED TO
HAVE MADE, AND THE HEAD LESSOR HEREBY DISCLAIMS, ANY REPRESENTATION OR
WARRANTY OTHER THAN THOSE REFERRED TO IN THIS SECTION, IN ANY OFFICER'S
CERTIFICATE OF THE HEAD LESSOR OR EXPRESSLY MADE IN ANY OTHER OPERATIVE
DOCUMENT, EITHER EXPRESS OR IMPLIED, AS TO THE DESIGN OR CONDITION OF THE
PRODUCTION SYSTEM OR ANY PART THEREOF, THE MERCHANTABILITY THEREOF OR THE
FITNESS THEREOF FOR ANY PARTICULAR PURPOSE, THE ABILITY OF THE PRODUCTION
SYSTEM TO PERFORM ANY FUNCTION, THE QUALITY OF THE MATERIALS OR WORKMANSHIP
THEREOF OR CONFORMITY THEREOF TO SPECIFICATIONS, OR THE PRESENCE OR ABSENCE OF
ANY LATENT OR OTHER DEFECTS, WHETHER OR NOT DISCOVERABLE; PROVIDED THAT THE
FOREGOING SHALL NOT EXCUSE THE PERFORMANCE BY THE HEAD LESSOR OF ITS
OBLIGATIONS UNDER THIS HEAD LEASE.

    SECTION 13.  REPRESENTATIONS AND WARRANTIES OF THE HEAD LESSEE

The Head Lessee represents and warrants to the Head Lessor that on the Closing
Date:

          13.1. Due Organization.  The Head Lessee is a corporation duly
organized, validly existing and in good standing under the laws of the State
of New York and has the corporate power and authority to enter into and
perform its obligations under this Head Lease.

          13.2. Authorization; Execution; Enforceability.  The execution,
delivery and performance by the Head Lessee of this Head Lease and of the
transactions contemplated hereby have been duly authorized by all necessary
corporate action on the part of the Head Lessee and do not and will not
require the consent or approval of any shareholder of the Head Lessee.  This
Head Lease has been duly authorized, executed and delivered by the Head Lessee
and, assuming the due authorization, execution and delivery hereof by the Head
Lessor, is a legal, valid and binding obligation of the Head Lessee,
enforceable against the Head Lessee in accordance with its terms, except as
such enforceability may be limited by applicable bankruptcy, insolvency,
reorganization, liquidation, moratorium or similar laws affecting creditors'
and lessors' rights generally and by the application of general equitable
principles which may limit the availability of certain remedies.

          13.3. No Violation.  The execution and delivery by the Head Lessee
of this Head Lease do not and will not, and the performance by the Head Lessee
of its obligations hereunder do not and will not, (i) violate or be
inconsistent with or in violation of its charter documents or by-laws,
(ii)contravene any provision of any Governmental Rule or Governmental Action
applicable to it or require any Governmental Action, provided that no
representation or warranty is made with respect to ERISA (except as set forth
in Section 13.6 below), and (iii) contravene any provision of, or constitute
any default or require any consent under, any provision of any indenture,
mortgage, contract or other instrument to which the Head Lessee is a party or
by which it or any of its property is bound. 

          13.4. Investment Company Act.  The Head Lessee is not an "investment
company" or a company "controlled" by an "investment company" within the
meaning of the Investment Company Act of 1940, as amended.

          13.5. Litigation.  There is no action, suit, investigation or 
proceeding pending or, to the Actual Knowledge of the Head Lessee, threatened 
against the Head Lessee or its properties before any Governmental Authority 
which, individually or in the aggregate, is reasonably likely materially and
adversely to affect the ability of the Head Lessee to perform its obligations
under this Head Lease. 

          13.6. ERISA.  No part of the funds to be used by the Head Lessee to
acquire the interests in the Undivided Interest constitutes assets (within the
meaning of ERISA and any rules and regulations thereunder) of an employee
benefit plan subject to Title I of ERISA or of an individual retirement
account or an employee benefit plan subject to Section 4975 of the Code, or
any trust established under any such plan or account or of a "governmental
plan," as defined in Section 3(32) of ERISA or in Section 414(d) of the Code,
organized in a jurisdiction having prohibitions on transactions with such
governmental plan substantially similar to those contained in Section 406 of
ERISA or Section 4975 of the Code.

                        SECTION 14.  MISCELLANEOUS.

          14.1. Amendments and Waivers.  No term, covenant, agreement or
condition of this Head Lease may be terminated, amended or compliance
therewith waived (either generally or in a particular instance, retroactively
or prospectively) except by an instrument or instruments in writing executed
by each party hereto.

          14.2. Notices.  Unless otherwise expressly specified or permitted by
the terms of this Head Lease, all communications and notices provided for
herein to a party hereto shall be in writing or by a telecommunications device
capable of creating a written record, and any such notice shall become
effective (a) upon personal delivery thereof, including, without limitation,
by overnight mail or courier service, (b) in the case of notice by United
States mail, certified or registered, postage prepaid, return receipt
requested, upon receipt thereof, or (c) in the case of notice by such a
telecommunications device, upon transmission thereof, provided such
transmission is promptly confirmed by either of the methods set forth in
clauses (a) or (b) above, in each case addressed to such party at its address
set forth below or at such other address as such party may from time to time
designate by written notice to the other party hereto:

         If to the Head Lessor:

                       Enserch Exploration Holdings, Inc.
                       c/o Enserch Exploration, Inc.
                       4849 Greenville Avenue
                       Suite 1200
                       Dallas, Texas  75201

                       Facsimile No.:  (214) 987-6673
                       Telephone No.:  (214) 573-3601
                       Attention:  Joseph T. Leary


          If to the Head Lessee:

                   The CIT Group/Commercial Services, Inc.
                   1211 Avenue of the Americas
                   New York, New York  10036

                   Facsimile No.:  (212) 536-1388
                   Telephone No.:  (212) 536-9490
                   Attention:  Leo Sheer 

          14.3. Survival.  All warranties, representations, indemnities and
covenants made by either party hereto, herein or in any certificate or other
instrument delivered by either such party or on the behalf of either such
party under this Head Lease, shall be considered to have been relied upon by
the other party hereto and shall survive the consummation of the transactions
contemplated hereby on the Closing Date regardless of any investigation made
by either party or on behalf of either party.

          14.4. Successors and Assigns.  (a) This Head Lease shall be binding
upon and shall inure to the benefit of, and shall be enforceable by, the
parties hereto and their respective successors and assigns as permitted by and
in accordance with the terms hereof.

          (b) Except as expressly provided herein or in any other Operative
Document, the Head Lessor may not assign its interests herein without the
consent of the Head Lessee.  Except as expressly provided in the Operative
Documents or in connection with the enforcement of remedies thereunder, the
Head Lessee may not assign its interests herein during the Sublease Term
without the consent of the Head Lessor.

          (c) Immediately following the closing, the Head Lessor will assign
its interest in this Head Lease to Enserch.  The Head Lessee hereby consents
to such assignment, and the parties hereto agree that upon effectiveness of
such assignment Enserch shall be treated as the Head Lessor for all purposes
hereof.  Upon effectiveness of such assignment, the Head Lessor shall be
released and discharged from any and all claims, demands, obligations and
liabilities existing, found to have existed or which may arise in the future
under or in connection with this Head Lease.

          14.5. Business Day.  Notwithstanding anything herein to the
contrary, if the date on which any payment is to be made pursuant to this Head
Lease is not a Business Day, the payment otherwise payable on such date shall
be payable on the next succeeding Business Day with the same force and effect
as if made on such scheduled date and (provided such payment is made on such
succeeding Business Day) no interest shall accrue on the amount of such
payment from and after such scheduled date to the time of such payment on such
next succeeding Business Day.

          14.6. Governing Law.  This Head Lease shall be governed by, and
construed in accordance with, the laws of the State of New York, other than
conflict of laws principles that would apply the laws of another jurisdiction
and except to the extent that the laws of any other jurisdiction may be
manditorily applicable.

          14.7. Severability.  Whenever possible, each provision of this Head
Lease shall be interpreted in such manner as to be effective and valid under
applicable law, but if any provision of this Head Lease shall be prohibited by
or invalid under applicable law, such provision shall be ineffective to the
extent of such prohibition or invalidity, without invalidating the remainder
of such provision or the remaining provisions of this Head Lease.

          14.8. Counterparts.  This Head Lease may be executed in any number
of counterparts, each executed counterpart constituting an original but all
together only one agreement.

          14.9. Headings and Table of Contents.  The headings of the sections
of this Head Lease and the Table of Contents are inserted for purposes of
convenience only and shall not be construed to affect the meaning or
construction of any of the provisions hereof.

          14.10. Further Assurances.  Each party hereto will promptly and duly
execute and deliver such further documents to make such further assurances for
and take such further action reasonably requested by the other party hereto,
all as may be reasonably necessary to carry out more effectively the intent
and purpose of this Head Lease.

         14.11. Effectiveness of Head Lease.  This Head Lease has been dated
as of the date first above written for convenience only.  This Head Lease
shall be effective on the date of execution and delivery by each of the Head
Lessor and the Head Lessee.

<PAGE>
<PAGE>

          IN WITNESS WHEREOF, the Head Lessor and the Head Lessee have caused
this Head Lease to be duly executed and delivered by their respective officers
hereunto duly authorized.

                                ENSERCH EXPLORATION HOLDINGS, INC.,
                                as Head Lessor


                                By:/s/ A. E. Gallatin
                                   Title: Vice President and Treasurer
                                   Date: As of October 18, 1996

                                THE CIT GROUP/COMMERCIAL SERVICES, INC.,
                                as Head Lessee


                                By:/s/ Jan B. Stein
                                   Title: Vice President
                                   Date: As of October 18, 1996


<PAGE>
<PAGE>
                                  EXHIBIT A

                       Description of Production System

                                 A. Platform

                              Fire Water System

                           Engine Generator Systems

                               Production Skid

                           Wellstream Heating System

                            Compressed Air Systems

                           Pig Launchers/Receivers

                             Production Manifold

                           Water Treatment System

                                Vent System

                          Platform Control System

                       Fire and Gas Protection System

                         Chemical Injection Systems

                           Sewage Treater System

                           Methanol Storage Tank

                  Control Building/Switchgear (Electrical 

                      Distribution and Instrumentation)

                                  Jacket

                        Boat Landing/Barge Bumpers

                                  Pilings

                             Deck/Deck Systems

                       Condensate Meter and Sampler

                             Safety Equipment

                                 Crane

                           Pigging Gas Compressor

                        Condensate Surge Tank and Pumps

                         Control and Quarters Building

                          Interconnect Piping Systems 

                               B. Templates

                            "A" Drilling Template

                            "B" Drilling Template

                           "A" Production Template

                           "B" Production Template

                       Subsea Xmas Tree Assembly "A-1"

                       Subsea Xmas Tree Assembly "A4"

                       Subsea Xmas Tree Assembly "A-9"

                       Subsea Xmas Tree Assembly "B-6"

                       Subsea Xmas Tree Assembly "B-7"

                       Subsea Xmas Tree Assembly "B-8"

                             Well Control System

                              C.Flowline Bundles

                    Flowline/Control Umbilical Bundle "A-1"

                    Flowline/Control Umbilical Bundle "A-4"

                    Flowline/Control Umbilical Bundle "A-9"

                   Flowline/Control Umbilical Bundle "B-6"

                   Flowline/Control Umbilical Bundle "B-7"

                   Flowline/Control Umbilical Bundle "B-8"

                             "A" Connector Sleds

                             "B" Connector Sleds

                              "A" Flowline Riser

                              "B" Flowline Riser




<PAGE>
 
                    PARTICIPATION AGREEMENT
                           (1996-A)
                               
                             among
                               
                  ENSERCH EXPLORATION, INC.,
                            Lessee
                               
                    COOPER PROJECT, L.L.C.
                               
                   WILMINGTON TRUST COMPANY,
                   Corporate Grantor Trustee
                               
                      THOMAS P. LASKARIS,
                  Individual Grantor Trustee

                     THE BANK OF NEW YORK
           Pass Through Trustee and Loan Participant

                     THE BANK OF NEW YORK
                  Corporate Indenture Trustee

                              and

                      FREDERICK W. CLARK,
                 Individual Indenture Trustee

                 Dated as of November 15, 1996

             Lease of an Undivided Interest in an 
                 Oil and Gas Production System
                               
<PAGE>
<PAGE>
                       TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                           Page
<S>                                                        <C>

RECITALS . . . . . . . . . . . . . . . . . . . . . . . . . . .1

SECTION 1. DEFINITIONS; INTERPRETATION . . . . . . . . . . . .4

SECTION 2. COMMITMENTS OF PARTICIPANTS; CLOSING;
             FUNDING; TRANSACTION EXPENSES . . . . . . . . . .4
    2.1 Commitment of Owner Participant. . . . . . . . . . . .4
    2.2 Commitment of Pass Through Trustee; Secured Notes. . .5
    2.3 Expiration of Commitments. . . . . . . . . . . . . . .5
    2.4 Notice of Closing Dates. . . . . . . . . . . . . . . .5
    2.5 Time and Place of Closing. . . . . . . . . . . . . . .6
    2.6 Delivery of Funds. . . . . . . . . . . . . . . . . . .6
    2.7 Application of Funds by Grantor Trustee. . . . . . . .6
    2.8 Actions on Closing Date. . . . . . . . . . . . . . . .7
    2.9 Transaction Expenses . . . . . . . . . . . . . . . . .7
    2.10 Authorization to Grantor Trustee. . . . . . . . . . .8
    2.11 Nonwaiver Provision . . . . . . . . . . . . . . . . .9

SECTION 3. CONDITIONS TO CLOSING BY THE LESSEE . . . . . . . .9
    3.1 Termination of Master Lease. . . . . . . . . . . . . .9
    3.2 Operative Documents. . . . . . . . . . . . . . . . . .9
    3.3 Legality, Etc. . . . . . . . . . . . . . . . . . . . 10
    3.4 Event of Loss. . . . . . . . . . . . . . . . . . . . 11
    3.5 Consents and Approvals . . . . . . . . . . . . . . . 11
    3.6 Representations and Warranties; Certificates . . . . 12
    3.7 Opinions . . . . . . . . . . . . . . . . . . . . . . 12
    3.8 Litigation . . . . . . . . . . . . . . . . . . . . . 12
    3.9 Appraisal and Reports. . . . . . . . . . . . . . . . 13
    3.10 Equity Offering . . . . . . . . . . . . . . . . . . 13
    3.11 Payment of Lessor's Cost. . . . . . . . . . . . . . 13
    3.12 Sale of Pass Through Certificates . . . . . . . . . 13
    3.13 Officer's Certificates and Resolutions, Etc.. . . . 13

SECTION 4. CONDITIONS TO CLOSING BY PARTICIPANTS . . . . . . 13
    4.1 Termination of Master Lease. . . . . . . . . . . . . 14
    4.2 Notice of Closing. . . . . . . . . . . . . . . . . . 14
    4.3 Operative Documents. . . . . . . . . . . . . . . . . 14
    4.4 Legality, Etc. . . . . . . . . . . . . . . . . . . . 15
    4.5 Event of Loss. . . . . . . . . . . . . . . . . . . . 15
    4.6 Final Appraisal and Reports. . . . . . . . . . . . . 15
    4.7 Insurance. . . . . . . . . . . . . . . . . . . . . . 16
    4.8 Opinions . . . . . . . . . . . . . . . . . . . . . . 16
    4.9 Taxes. . . . . . . . . . . . . . . . . . . . . . . . 18
    4.10 Officer's Certificates. . . . . . . . . . . . . . . 18
    4.11 Resolutions, Etc. . . . . . . . . . . . . . . . . . 20
    4.12 Litigation. . . . . . . . . . . . . . . . . . . . . 22
    4.13 Equity Offering . . . . . . . . . . . . . . . . . . 23
    4.14 Investment and Loans. . . . . . . . . . . . . . . . 23
    4.15 Consents and Approvals. . . . . . . . . . . . . . . 23
    4.16 Title; Filings and Recordings . . . . . . . . . . . 24
    4.17 Sale of Pass Through Certificates . . . . . . . . . 25
    4.18 No Default Under Operating Agreement, Etc.. . . . . 25
    4.19 No Default Under Lease. . . . . . . . . . . . . . . 25
    4.20 No Material Adverse Change. . . . . . . . . . . . . 25
    4.21  Credit Support . . . . . . . . . . . . . . . . . . 25
    4.22  Notice to MPTM . . . . . . . . . . . . . . . . . . 25
    4.23  No Change In Tax Law.. . . . . . . . . . . . . . . 26

SECTION 5. REPRESENTATIONS AND WARRANTIES OF THE LESSEE. . . 26
    5.1 Due Organization . . . . . . . . . . . . . . . . . . 26
    5.2 Authorization. . . . . . . . . . . . . . . . . . . . 26
    5.3 Execution; Enforceability. . . . . . . . . . . . . . 27
    5.4 No Violation . . . . . . . . . . . . . . . . . . . . 27
    5.5 Consents and Approvals . . . . . . . . . . . . . . . 27
    5.6 Securities Act . . . . . . . . . . . . . . . . . . . 29
    5.7 Title; Liens Filings and Recordings. . . . . . . . . 29
    5.8 Chief Place of Business. . . . . . . . . . . . . . . 30
    5.9 Litigation . . . . . . . . . . . . . . . . . . . . . 30
    5.10 No Default. . . . . . . . . . . . . . . . . . . . . 31
    5.11 Event of Loss . . . . . . . . . . . . . . . . . . . 31
    5.12 Environmental Matters . . . . . . . . . . . . . . . 31
    5.13 Description of Production System. . . . . . . . . . 31
    5.14 Certain Documents . . . . . . . . . . . . . . . . . 31
    5.15 Payment of Taxes, Etc.. . . . . . . . . . . . . . . 32
    5.16 Investment Company Act. . . . . . . . . . . . . . . 32
    5.17 No Brokers' Fees. . . . . . . . . . . . . . . . . . 32
    5.18 Federal Reserve Regulations . . . . . . . . . . . . 32
    5.19 Holding Company . . . . . . . . . . . . . . . . . . 33
    5.20 Not Subject to Governmental Regulation. . . . . . . 33
    5.21 Condition of Production System. . . . . . . . . . . 33
    5.22 ERISA . . . . . . . . . . . . . . . . . . . . . . . 34
    5.23 Financial Statements. . . . . . . . . . . . . . . . 34
    5.24 Disclosure. . . . . . . . . . . . . . . . . . . . . 34
    5.25 Tax Returns . . . . . . . . . . . . . . . . . . . . 35
    5.26 Insurance . . . . . . . . . . . . . . . . . . . . . 35
    5.27 Compliance with Governmental Rules. . . . . . . . . 35
    5.28 Adequate Rights . . . . . . . . . . . . . . . . . . 35
    5.29 Solvency. . . . . . . . . . . . . . . . . . . . . . 35
    5.30 Patent and Trademarks . . . . . . . . . . . . . . . 36
    5.31 Representations and Warranties of Head Lessor . . . 36
    5.32 Head Lease. . . . . . . . . . . . . . . . . . . . . 36

SECTION 6. REPRESENTATIONS AND WARRANTIES OF OWNER
             PARTICIPANT . . . . . . . . . . . . . . . . . . 37
    6.1 Due Organization . . . . . . . . . . . . . . . . . . 37
    6.2 Authorization; Execution; Enforceability . . . . . . 38
    6.3 No Violation . . . . . . . . . . . . . . . . . . . . 38
    6.4 Owner Participant's Liens. . . . . . . . . . . . . . 39
    6.5 Acquisition for Investment . . . . . . . . . . . . . 39
    6.6 Securities Act . . . . . . . . . . . . . . . . . . . 39
    6.7 ERISA. . . . . . . . . . . . . . . . . . . . . . . . 39
    6.8 Investment Company Act . . . . . . . . . . . . . . . 40
    6.9 Litigation . . . . . . . . . . . . . . . . . . . . . 40
    6.10 No Default. . . . . . . . . . . . . . . . . . . . . 40
    6.11 Federal Reserve Regulations . . . . . . . . . . . . 40
    6.12 No Brokers' Fees. . . . . . . . . . . . . . . . . . 40

SECTION 7. REPRESENTATIONS AND WARRANTIES OF PASS
             THROUGH TRUSTEE . . . . . . . . . . . . . . . . 40
    7.1 Due Organization . . . . . . . . . . . . . . . . . . 41
    7.2 Authorization; Execution; Enforceability . . . . . . 41
    7.3 No Violation . . . . . . . . . . . . . . . . . . . . 42
    7.4 Litigation . . . . . . . . . . . . . . . . . . . . . 42
    7.5 Intentionally Omitted. . . . . . . . . . . . . . . . 42
    7.6 Securities Act . . . . . . . . . . . . . . . . . . . 42
    7.7 No Taxes Payable . . . . . . . . . . . . . . . . . . 42
    7.8  ERISA . . . . . . . . . . . . . . . . . . . . . . . 43

SECTION 8. REPRESENTATIONS AND WARRANTIES OF TRUST
             COMPANY AND THE CORPORATE GRANTOR
             TRUSTEE . . . . . . . . . . . . . . . . . . . . 43
    8.1 Due Organization . . . . . . . . . . . . . . . . . . 43
    8.2 Authorization; Execution; Enforceability . . . . . . 44
    8.3 No Violation . . . . . . . . . . . . . . . . . . . . 45
    8.4 No Default . . . . . . . . . . . . . . . . . . . . . 46
    8.5 Litigation . . . . . . . . . . . . . . . . . . . . . 46
    8.6 Lessor's Liens . . . . . . . . . . . . . . . . . . . 47
    8.7 Securities Act . . . . . . . . . . . . . . . . . . . 47
    8.8 Chief Place of Business. . . . . . . . . . . . . . . 47
    8.9 No Taxes Payable . . . . . . . . . . . . . . . . . . 47
    8.10 Federal Reserve Regulations . . . . . . . . . . . . 48

SECTION 9. REPRESENTATIONS AND WARRANTIES OF THE
             CORPORATE INDENTURE TRUSTEE . . . . . . . . . . 48
    9.1 Due Organization . . . . . . . . . . . . . . . . . . 48
    9.2 Authorization; Execution; Enforceability . . . . . . 49
    9.3 No Violation . . . . . . . . . . . . . . . . . . . . 49
    9.4 Litigation . . . . . . . . . . . . . . . . . . . . . 50
    9.5 Indenture Trustee's Liens. . . . . . . . . . . . . . 50
    9.6 No Taxes Payable . . . . . . . . . . . . . . . . . . 51

SECTION 10. LESSEE COVENANTS . . . . . . . . . . . . . . . . 51
    10.1 Officer's Certificate . . . . . . . . . . . . . . . 51
    10.2 Financial Statements and Other Requested
             Information . . . . . . . . . . . . . . . . . . 51
    10.3 Maintenance of Corporate Existence, Etc.. . . . . . 53
    10.4 Merger, Consolidation, Sale, Etc. . . . . . . . . . 53
    10.5 Change in Name or Chief Place of Business . . . . . 55
    10.6 Further Assurances. . . . . . . . . . . . . . . . . 55
    10.7 Inspection. . . . . . . . . . . . . . . . . . . . . 56
    10.8 Limitation on Acquisition of Secured Notes or
             Pass Through Certificates; Pass Through Trust
             Agreement . . . . . . . . . . . . . . . . . . . 57
    10.9 Operating Agreement . . . . . . . . . . . . . . . . 57
    10.10 Documentation of Platform. . . . . . . . . . . . . 58
    10.11 Notice of Certain Events . . . . . . . . . . . . . 59
    10.12 Environmental Notices. . . . . . . . . . . . . . . 59
    10.13 Abandonment of Production System . . . . . . . . . 59
    10.14 Credit Support . . . . . . . . . . . . . . . . . . 60
    10.15 Fees and Expenses. . . . . . . . . . . . . . . . . 61
    10.16 Transfer of Title to Undivided Interest. . . . . . 61
    10.17 Agency and Support Agreement . . . . . . . . . . . 61
    10.18 Equipment List . . . . . . . . . . . . . . . . . . 62

SECTION 11. OTHER COVENANTS AND AGREEMENTS . . . . . . . . . 62
    11.1 Agreements of Owner Participant . . . . . . . . . . 62
    11.2 Agreements of Laskaris, Trust Company and
             Grantor Trustee . . . . . . . . . . . . . . . . 66
    11.3 Agreements of Pass Through Trustee. . . . . . . . . 68
    11.4 Agreements of Indenture Trustee . . . . . . . . . . 69
    11.5 Confidentiality . . . . . . . . . . . . . . . . . . 70
    11.6 Assumption of Secured Notes . . . . . . . . . . . . 71

SECTION 12. INDEMNIFICATION. . . . . . . . . . . . . . . . . 72
    12.1 General Indemnification . . . . . . . . . . . . . . 72
    12.2 General Tax Indemnification . . . . . . . . . . . . 81
    12.3 No Guarantee. . . . . . . . . . . . . . . . . . . . 97
    12.4 Opinion in Connection with Refunding of Senior
             Notes or Adjustments to Rent Percentages. . . . 97

SECTION 13. TRANSFER OF OWNER PARTICIPANT'S INTEREST . . . . 98
    13.1 Restrictions on Transfer. . . . . . . . . . . . . . 98
    13.2 Permitted Transfers . . . . . . . . . . . . . . . . 98
    13.3 Request for Acknowledgment. . . . . . . . . . . . .100
    13.4 Effect of Transfer. . . . . . . . . . . . . . . . .101

SECTION 14. FINANCING FOR MODIFICATIONS. . . . . . . . . . .102
    14.1 Financing for Modifications . . . . . . . . . . . .102

SECTION 15. REFUNDING OF SECURED NOTES . . . . . . . . . . .102
    15.1 Refunding of Secured Notes. . . . . . . . . . . . .102
    15.2 Notice. . . . . . . . . . . . . . . . . . . . . . .105
    15.3 Rights of Parties . . . . . . . . . . . . . . . . .105

SECTION 16. BENEFICIAL INTEREST PURCHASE OPTION. . . . . . .106
    16.1 Option to Purchase. . . . . . . . . . . . . . . . .106
    16.2 Notice of Election; Manner of Purchase; Transfer
             After Purchase. . . . . . . . . . . . . . . . .106

SECTION 17. MISCELLANEOUS. . . . . . . . . . . . . . . . . .107
    17.1 Survival. . . . . . . . . . . . . . . . . . . . . .107
    17.2 Binding Effect. . . . . . . . . . . . . . . . . . .108
    17.3 Notices . . . . . . . . . . . . . . . . . . . . . .108
    17.4 Counterpart Execution . . . . . . . . . . . . . . .108
    17.5 GOVERNING LAW . . . . . . . . . . . . . . . . . . .108
    17.6 Amendments, Supplements, Etc. . . . . . . . . . . .109
    17.7 Headings; Table of Contents . . . . . . . . . . . .109
    17.8 Severability of Provisions. . . . . . . . . . . . .109
    17.9 Entire Agreement. . . . . . . . . . . . . . . . . .110
    17.10 Limitation of Liability of Grantor Trustee,
             Indenture Trustee and Pass Through Trustee. . .110
    17.11 Jurisdiction; Service of Process; Waiver of
             Jury Trial. . . . . . . . . . . . . . . . . . .113
    17.12 Instructions . . . . . . . . . . . . . . . . . . .114

</TABLE>

 Appendix A   Definitions

 SCHEDULES

 Schedule 1     Addresses for Notices and Payments
 Schedule 2     Pricing Assumptions
 Schedule 3     Filings and Recordings
 Schedule 4     Disclosure
 Schedule 5     Original Cost; Investment; Principal Amount of
                Secured Notes

 EXHIBITS

 Exhibit A-1    Form of Opinion of W.T. Satterwhite, General
                Counsel to the parent of the Head Lessor

 Exhibit A-2    Form of Opinion of Michael G. Fortado, General
                Counsel to the Lessee

 Exhibit A-3    Form of Opinion of Chadbourne & Parke LLP,
                special counsel to the Lessee and the Head
                Lessor

 Exhibit A-4    Form of Opinion of Gordon, Arata, McCollam &
                Duplantis LLP, special Louisiana and admiralty
                counsel

 Exhibit A-5    Form of Opinion of The Law Department of The
                First National Bank of Chicago

 Exhibit A-6    Form of Opinion of Skadden, Arps, Slate, Meagher
                & Flom Illinois, special counsel to the Owner
                Participant and the Guarantor

 Exhibit A-7    Form of Opinion of Morris, James, Hitchens &
                Williams, special counsel to the Trust Company
                and the Grantor Trustee

 Exhibit A-8    Form of Opinion of Emmet, Marvin & Martin LLP,
                special counsel to the Indenture Trustee

 Exhibit A-9    Form of Opinion of Emmet, Marvin & Martin LLP,
                special counsel to the Pass Through Trustee

 Exhibit A-10   Form of Opinion of De Castro & Robles, special
                Panama counsel

 Exhibit A-11   Form of Opinion of Daniel Heini, Legal Counsel
                to the Initial Letter of Credit Bank

 Exhibit A-12   Form of Opinion of Mayer, Brown & Platt, special
                counsel to the Initial Letter of Credit Bank

 Exhibit B      Form of Assignment and Assumption Agreement

 Exhibit C      Form of Quit Claim and Release Agreement

 Exhibit D      Form of Assignment and Assumption and Security
                Agreement

<PAGE>
<PAGE>
                   PARTICIPATION AGREEMENT
                           (1996-A)

               THIS PARTICIPATION AGREEMENT (1996-A) (as the same
     may be amended, supplemented or modified from time to time, the
     "Agreement"), dated as of November 15, 1996, is among ENSERCH
     EXPLORATION, INC., a Texas corporation, COOPER PROJECT, L.L.C.,
     a Delaware limited liability company, THE BANK OF NEW YORK, a
     New York banking corporation, not in its individual capacity
     except to the extent expressly set forth herein but solely as
     Pass Through Trustee under the Pass Through Trust Agreement,
     WILMINGTON TRUST COMPANY, a Delaware banking corporation, not
     in its individual capacity except to the extent expressly set
     forth herein but solely as Corporate Grantor Trustee under the
     Trust Agreement, THOMAS P. LASKARIS, not in his individual
     capacity except to the extent expressly set forth herein but
     solely as Individual Grantor Trustee under the Trust Agreement,
     THE BANK OF NEW YORK, a New York banking corporation, not in
     its individual capacity except to the extent expressly set
     forth herein but solely as Corporate Indenture Trustee under
     the Indenture, and FREDERICK W. CLARK, not in his individual
     capacity except to the extent expressly set forth herein but
     solely as Individual Indenture Trustee under the Indenture.

     RECITALS:

           A.  In connection with the transactions contemplated
     by the Funding Agreement dated as of September 30, 1992 among
     EP Operating Company, Ltd. (predecessor in interest to Enserch
     Holdings), ENSERCH Corporation, State Street Bank and Trust
     Company of Connecticut, N.A., as Trustee for the Garden Banks
     Trust (the "Garden Banks Trustee"), The Chase Manhattan Bank,
     N.A., as agent for the Note Holders and Certificate Holders and
     the Note Holders and Certificate Holders party thereto, as
     amended (the "Funding Agreement"), (i) Enserch Holdings
     purchased the Undivided Interest on behalf of the Garden Banks
     Trustee, (ii) the Garden Banks Trustee leased the Undivided
     Interest to Enserch Holdings, and (iii) Enserch Holdings
     subleased the Undivided Interest to Enserch Exploration.

           B.  On the Closing Date, Enserch Holdings will
     terminate the Master Lease Agreement dated as of September 30,
     1992 between the Trustee, as Lessor, and EP Operating Company,
     Ltd., as Lessee, as amended (the "Master Lease"), and will pay
     all amounts due thereunder.

           C.  Subject to the terms and conditions set forth
     herein, (1) the Lessee desires to cause Enserch Holdings to
     transfer all of its right, title and interest in and to the
     Undivided Interest to the Grantor Trustee pursuant to the Head
     Lease and to transfer all of its right, title and interest in
     and to the Head Lease to the Lessee pursuant to the Assignment
     and Assumption and Security Agreement, (2) the Lessee desires
     to assume all of the obligations of Enserch Holdings under the
     Head Lease pursuant to the Assignment and Assumption and
     Security Agreement and to lease the Undivided Interest from the
     Grantor Trustee pursuant to the Lease and (3) the Grantor
     Trustee desires to accept all of the right, title and interest
     of Enserch Holdings in and to the Undivided Interest from
     Enserch Holdings pursuant to the Head Lease and to lease the
     Undivided Interest to the Lessee pursuant to the Lease.

           D.  Concurrently with the execution and delivery of
     this Agreement, Enserch Holdings and the Grantor Trustee have
     entered into the Head Lease, pursuant to which Enserch Holdings
     has agreed, among other things, to transfer all of the right,
     title and interest of Enserch Holdings in and to the Undivided
     Interest to the Grantor Trustee and the Grantor Trustee has
     agreed to accept all of the right, title and interest of
     Enserch Holdings in and to the Undivided Interest from Enserch
     Holdings on the terms specified therein.

           E.  Concurrently with the execution and delivery of
     this Agreement, the Grantor Trustee and the Lessee have entered
     into the Lease, pursuant to which the Grantor Trustee has
     agreed, among other things, to lease the Undivided Interest to
     Lessee and the Lessee has agreed to lease the Undivided
     Interest from the Grantor Trustee on the terms specified
     therein.

           F.  Concurrently with the execution and delivery of
     this Agreement, the Owner Participant and the Grantor Trustee
     have entered into the Trust Agreement, pursuant to which the
     Grantor Trustee has agreed, among other things, to hold the
     Trust Estate for the benefit of the Owner Participant on the
     terms specified therein, subject, however, to the Lien created
     under the Indenture.

           G.  Concurrently with the execution and delivery of
     this Agreement, the Grantor Trustee and the Indenture Trustee
     have entered into the Indenture, pursuant to which the Grantor
     Trustee, for the benefit of the Loan Participant, has agreed,
     among other things, to mortgage and pledge unto the Indenture
     Trustee, all of the Grantor Trustee's right, title and interest
     in and to the Indenture Estate.

           H.  Concurrently with the execution and delivery of
     this Agreement, the Lessee has entered into the Tax Indemnity
     Agreement, pursuant to which, among other things, the Lessee
     has agreed to provide, in addition to the indemnities provided
     to the Indemnitees pursuant to Section 12 hereof, certain
     indemnities to the Owner Participant.

           I.  Concurrently with the execution and delivery of
     this Agreement, the Pass Through Trustee and the Lessee have
     entered into the Pass Through Trust Agreement pursuant to
     which, among other things, the Pass Through Certificates will
     be issued.

           J.  Concurrently with the execution and delivery of
     this Agreement, the Guarantor has entered into the Guaranty
     whereby the Guarantor will guaranty the Owner Participant's
     obligations hereunder and under the other Operative Documents
     to which the Owner Participant is a party.

           K.  Concurrently with the execution and delivery of
     this Agreement, the Grantor Trustee and the Lessee have entered
     into the Agency and Support Agreement, pursuant to which, among
     other things, the Lessee has agreed to act as agent for the
     Grantor Trustee for the purposes of subjecting the Undivided
     Interest to the provisions of the Operating Agreement following
     the expiration or earlier termination of the Lease.

           L.  Concurrently with the execution and delivery of
     this Agreement, Enserch Exploration has executed the Ship
     Mortgage in favor of the Grantor Trustee, pursuant to which
     Enserch Exploration has granted the Grantor Trustee a first
     priority mortgage over its interests in the Platform to secure
     its obligations under the Head Lease.

           M.  Concurrently with the execution and delivery of
     this Agreement, the Grantor Trustee has executed a Collateral
     Assignment of Ship Mortgage in favor of the Indenture Trustee,
     pursuant to which the Grantor Trustee has collaterally assigned
     to the Indenture Trustee the Ship Mortgage.

           N.  The Owner Participant desires to participate in
     the payment of Lessor's Cost by providing its Investment to the
     Grantor Trustee.  The Pass Through Trustee, as a Loan
     Participant, desires to participate in the payment of Lessor's
     Cost by purchasing the Secured Notes from the Grantor Trustee.

           Accordingly, in consideration of the premises and of
     other good and valuable consideration, the receipt and
     sufficiency of which are hereby acknowledged, the parties
     hereto hereby agree as follows:

     SECTION 1.     DEFINITIONS; INTERPRETATION.

               For the purposes hereof, capitalized terms used
     herein (including those used in the preamble and the foregoing
     recitals) and not otherwise defined shall have the meanings
     assigned to them in Appendix A, which Appendix A shall for all
     purposes constitute part of this Agreement and shall be subject
     to amendment in accordance with the terms hereof.  References
     in this Agreement to Sections, subsections, paragraphs,
     Schedules, Appendices and Exhibits are to Sections, subsections
     and paragraphs in, and Schedules, Appendices and Exhibits to,
     this Agreement unless otherwise indicated.

     SECTION 2.     COMMITMENTS OF PARTICIPANTS; CLOSING; FUNDING;
                    TRANSACTION EXPENSES.
   
             2.1  Commitment of Owner Participant.  Subject to the
     terms and conditions of this Agreement, the Owner Participant
     agrees to participate on the Closing Date in the payment of
     Lessor's Cost by making an equity investment (the "Investment")
     in the beneficial ownership of the Undivided Interest in an
     amount equal to the product of (i) Lessor's Cost and (ii) the
     Equity Percentage, and shall, on the Closing Date, take and
     cause the Grantor Trustee to take the respective actions
     specified in Sections 2.7 and 2.8 to be taken by the Owner
     Participant and the Grantor Trustee.

              2.2  Commitment of Pass Through Trustee; Secured
     Notes.  Subject to the terms and conditions of this Agreement,
     the Pass Through Trustee, as a Loan Participant, agrees to
     participate on the Closing Date in the payment of Lessor's Cost
     by purchasing from the Grantor Trustee the Secured Notes at a
     purchase price equal to 100% of the aggregate original
     principal amount of such Secured Notes, and shall, on the
     Closing Date, take and cause the Indenture Trustee to take the
     respective actions specified in Section 2.8 to be taken by the
     Pass Through Trustee, as a Loan Participant, and the Indenture
     Trustee.  The Secured Notes shall be issued to the Pass Through
     Trustee, as a Loan Participant, under and in accordance with
     the terms of the Indenture.
 
              2.3  Expiration of Commitments.  Unless the Owner
     Participant shall agree to a later date, the Owner
     Participant's commitment to make the Investment on the Closing
     Date pursuant to Section 2.1 shall expire if the Closing Date
     shall not have occurred before midnight on the Cut-off Date. 
     Unless the Pass Through Trustee, as Loan Participant, shall
     agree to a later date, the Pass Through Trustee's commitment,
     as Loan Participant, to purchase the Secured Notes pursuant to
     Section 2.2 shall expire if the Closing Date or purchase shall
     not have occurred before midnight on the Cut-off Date.
 
              2.4  Notice of Closing Dates.  On or before the
     second Business Day prior to the Closing Date, the Lessee shall
     deliver to each Participant written notice of the Closing Date,
     which notice shall contain (a) the date of the Closing Date,
     (b) the amount of Lessor's Cost, (c) the amount of the
     Investment set forth on Schedule 5 hereto and (d) the principal
     amount of the Secured Notes set forth on Schedule 5 hereto to
     be purchased by the Pass Through Trustee, as a Loan
     Participant, on the Closing Date; provided, however, that the
     funding of the Owner Participant's Investment or the funding of
     the purchase price for the Secured Notes to be purchased by the
     Pass Through Trustee, as Loan Participant, on the Closing Date,
     as the case may be, and the taking of the other actions
     contemplated to be taken hereby in each case on the Closing
     Date shall be deemed a waiver of the requirement of notice of
     the Closing Date set forth in this Section 2.4.

               2.5  Time and Place of Closing.  The closing on the
     Closing Date shall commence at 12:00 noon, New York City time,
     at the offices of Chadbourne & Parke LLP, New York, New York,
     or at such other location in New York City as the Lessee may
     specify in the notice of closing for the Closing Date delivered
     pursuant to Section 2.4.

               2.6  Delivery of Funds.  Subject to the terms and
     conditions of this Agreement, on or before 12:00 noon, New York
     City time, on the Closing Date, the Owner Participant shall
     deliver to the Grantor Trustee by wire transfer of immediately
     available funds an amount equal to the Investment to be made by
     the Owner Participant on the Closing Date and the Pass Through
     Trustee, as a Loan Participant, shall deliver to the Grantor
     Trustee by wire transfer of immediately available funds an
     amount equal to the purchase price of the Secured Notes to be
     purchased by the Pass Through Trustee, as a Loan Participant,
     on the Closing Date, in each case to the account of the Grantor
     Trustee specified in Schedule 1 or to such other account as
     shall be specified in writing by the Grantor Trustee to the
     Owner Participant and the Pass Through Trustee, as a Loan
     Participant, at least one Business Day prior to the Closing
     Date, which amounts shall be held by the Grantor Trustee in
     trust, solely on behalf of the Participant delivering or
     transferring such amount (and not as part of the Trust Estate),
     until such Participant shall have instructed the Grantor
     Trustee that such amount is available to be applied by the
     Grantor Trustee pursuant to Section 2.7.  No Participant shall
     be obligated to deliver such instruction if the conditions to
     its participation set forth in Section 4 have not been met to
     its satisfaction or waived by it.

               2.7  Application of Funds by Grantor Trustee.  On the
     Closing Date, upon receipt by the Grantor Trustee of (a) the
     amount of the Investment to be made by the Owner Participant on
     the Closing Date, (b) the purchase price of the applicable
     Secured Notes to be paid by the Pass Through Trustee, as a Loan
     Participant, on the Closing Date, and (c) the instruction
     pursuant to Section 2.6 that each of such amounts is available
     to be applied by the Grantor Trustee pursuant to this Section
     2.7, the Grantor Trustee shall pay to Enserch Holdings by wire
     transfer of immediately available funds to the account of
     Enserch Holdings specified in Schedule 1 an amount equal to
     Lessor's Cost.

               2.8  Actions on Closing Date.  Subject to
     satisfaction of the applicable conditions precedent set forth
     in Sections 3 and 4, on the Closing Date:

                    (a)  the Owner Participant shall make the
               Investment required to be made by it on the Closing Date;

                    (b)  the Pass Through Trustee, as a Loan
               Participant, shall pay to the Grantor Trustee the purchase
               price for the Secured Notes on the Closing Date, the
               Grantor Trustee shall execute and deliver to the Indenture
               Trustee the Secured Notes, and the Indenture Trustee shall
               authenticate and register the Secured Notes and shall
               deliver the Secured Notes to the Pass Through Trustee, as
               a Loan Participant;

                    (c)  the Grantor Trustee shall lease from
               Enserch Holdings and Enserch Holdings shall lease to the
               Grantor Trustee, the Undivided Interest;

                    (d)  the Grantor Trustee shall pay all Lessor's
               Cost to Enserch Holdings;

                    (e)  Enserch Holdings shall assign all of its
               right, title and interest in and to the Head Lease to the
               Lessee and the Lessee shall assume all of the obligations
               of Enserch Holdings thereunder pursuant to the Assignment
               and Assumption and Security Agreement; 

                    (f)  the Grantor Trustee shall lease to the
               Lessee, and the Lessee shall lease from the Grantor
               Trustee, the Undivided Interest pursuant to the Lease; and

                    (g)  the Lessee shall provide the Grantor
               Trustee and the Owner Participant with Credit Support.

               2.9  Transaction Expenses.  (a)  If the transactions
     contemplated by this Agreement are consummated, the Grantor
     Trustee shall as soon as practicable after the Closing Date
     pay, or reimburse the Lessee for, all Transaction Expenses and
     Additional Transaction Expenses, and the Owner Participant will
     provide to the Grantor Trustee funds therefor and instructions
     with respect to the payment thereof; provided that the
     underwriting commissions of PaineWebber Incorporated as
     underwriter of the Pass Through Certificates shall be paid by
     the Grantor Trustee in immediately available funds on the
     Closing Date.  If the transactions contemplated by this
     Agreement to be consummated on the Closing Date are not
     consummated for any reason whatsoever, the Lessee shall pay all
     Transaction Expenses; provided, however, that if such
     transactions shall not be consummated by reason of a breach by
     Owner Participant of its obligations hereunder or under any
     other Operative Document to which Owner Participant is a party
     or a failure by Owner Participant to negotiate in good faith,
     the Lessee shall not be obligated to pay the fees and expenses
     of counsel of the Owner Participant.  Except for its obligation
     to pay the fees and expenses of its counsel, neither the Owner
     Participant nor any of its Affiliates shall incur any liability
     as a result of the breach of its obligation to make its
     Investment pursuant to Section 2.1.

               (b)  [Intentionally Omitted]

               (c)  Each of the Transaction Expenses shall be
     evidenced by appropriate bills or invoices taking into account
     the agreement with respect to fees and out-of-pocket expenses. 
     The Lessee shall have the right to receive and review but not
     to approve any substantiation relating to any Transaction
     Expenses as it may reasonably request.

               2.10  Authorization to Grantor Trustee.  The Owner
     Participant agrees that on the Closing Date the receipt by the
     Grantor Trustee of an instruction from each Participant
     pursuant to Section 2.6 making the amount delivered by each
     such Participant to the Grantor Trustee available for
     application pursuant to Section 2.7 shall constitute, without
     further act, authorization and direction by each such
     Participant to the Grantor Trustee to take the actions
     contemplated to be taken by the Grantor Trustee on the Closing
     Date in the Operative Documents, including, without limitation,
     the execution and delivery of all other documents and
     instruments contemplated to be executed and delivered by the
     Grantor Trustee on or prior to the Closing Date in the
     Operative Documents.

               2.11  Nonwaiver Provision.  Notwithstanding anything
     else set forth herein or in any other Operative Document, the
     execution and delivery of this Agreement or any other Operative
     Document shall not constitute a waiver by the Owner Participant
     of any condition to closing set forth herein.

     SECTION 3.  CONDITIONS TO CLOSING BY THE LESSEE.

               The obligation of the Lessee pursuant to Section 2
     (i) to cause Enserch Holdings to lease the Undivided Interest
     to the Grantor Trustee and to transfer all of its right, title
     and interest in and to the Head Lease to the Lessee, (ii) to
     assume all of the obligations of Enserch Holdings under the
     Head Lease and (iii) to sublease the Undivided Interest from
     the Grantor Trustee and take the other actions contemplated by
     Section 2 to be taken by it on the Closing Date are subject
     only to the fulfillment on the Closing Date to the satisfaction
     of or waiver by the Lessee of each of the following conditions
     precedent, except that the obligations of the Lessee shall not
     be subject to the Lessee's or Enserch Holdings' own performance
     or, if Enserch Holdings or the Lessee shall have the power to
     cause another Person to perform, Enserch Holdings' or the
     Lessee's failure to cause such performance:

               3.1  Termination of Master Lease.  Enserch Holdings
     shall have terminated the Master Lease in accordance with the
     terms thereof.

               3.2  Operative Documents.  Each of the following
     documents shall have been duly authorized, executed and
     delivered by the respective parties thereto (other than the
     Lessee or Enserch Holdings):

                    (a)  this Agreement;

                    (b)  the Head Lease;

                    (c)  Head Lease Supplement No. 1;

                    (d)  the Lease;

                    (e)  Lease Supplement No. 1;

                    (f)  the Guaranty;

                    (g)  the Indenture;

                    (h)  Indenture Supplement No. 1;

                    (i)  the Tax Indemnity Agreement;

                    (j)  the Secured Notes;

                    (k)  the Trust Agreement;

                    (l)  the Initial Letter of Credit;

                    (m)  the Reimbursement Agreement;

                    (n)  the Agency and Support Agreement;

                    (o)  the Ship Mortgage;

                    (p)  the Collateral Assignment of Ship Mortgage;

                    (q)  the Pass Through Trust Agreement; and

                    (r)  the Placement Agreement

     and (i) each such document shall be in full force and effect on
     the Closing Date, and an executed counterpart of each of the
     same shall have been delivered to the Lessee (except that each
     original Secured Note shall be delivered only to the Pass
     Through Trustee), (ii) the Federal Leases, the Operating
     Agreement and the Unit Agreement shall be in full force and
     effect on the Closing Date and (iii) no event or condition
     shall have occurred that, with or without the lapse of time or
     the giving of notice, shall give any other party to any
     document described in the foregoing clauses (i) or (ii) the
     right to terminate such document.

               3.3  Legality, Etc.  No material change shall have
     occurred from October 23, 1996 to the Closing Date in
     Governmental Rules that, in the reasonable opinion of the
     Lessee, would render it illegal for the Lessee, the Guarantor,
     the Trust Company, the Grantor Trustee, the Indenture Trustee,
     the Pass Through Trustee or any Participant to participate in
     any of the transactions contemplated by the Operative Documents
     to be consummated on the Closing Date or would materially
     adversely affect any of the foregoing.  No change or
     prospective or proposed change shall have occurred from October
     23, 1996 to the Closing Date in Governmental Rules that, in the
     reasonable opinion of the Lessee, would render the transactions
     contemplated by the Operative Documents to be consummated on
     the Closing Date insufficiently economic, which in the case of
     the Lessee, exceeds the thresholds provided in Section 4.1(d)
     of the Lease.

               3.4  Event of Loss.  No Event of Loss shall have
     occurred and no event described in clause (c) of the definition
     of Event of Loss shall have occurred.

               3.5  Consents and Approvals.  On the Closing Date,
     all Governmental Actions required to be taken, given, obtained,
     filed or recorded, as the case may be, on or prior to the
     Closing Date by, from or with any Governmental Authority and
     all other consents, filings or approvals which are required to
     have been taken, given, obtained, filed or recorded, as the
     case may be, on or prior to the Closing Date by, from or with
     any other Person in each case, in connection with the
     transactions contemplated by the Operative Documents and the
     Pass Through Trust Agreement, or to authorize the execution,
     delivery and performance by the Lessee, the Guarantor, the
     Owner Participant, the Grantor Trustee, the Indenture Trustee
     or the Pass Through Trustee of the Pass Through Trust
     Agreement, the Placement Agreement, and each of the Operative
     Documents to which it is a party, or the legality, validity,
     binding effect or enforceability thereof as against the
     Guarantor, other than those constituting filings, recordings or
     other actions of the types referred to in Section 4.16, shall
     have been duly taken, given, obtained, filed or recorded, as
     the case may be, and all such approvals shall have been duly
     taken, given, obtained, filed or recorded, as the case may be,
     shall be in full force and effect on the Closing Date, shall
     not be subject to any pending proceedings or appeals
     (administrative, judicial or otherwise) and shall be adequate
     to authorize the consummation of the transactions contemplated
     by the Pass Through Trust Agreement, the Placement Agreement
     and the Operative Documents and the performance by the Lessee
     of its obligations under such thereof to which it is a party,
     except such as may be required to be taken, obtained, given,
     accomplished or renewed from time to time in connection with
     the maintenance or operation of the Production System or which
     are otherwise required in connection with the transactions
     contemplated by the Pass Through Trust Agreement, the Placement
     Agreement and the Operative Documents which have been applied
     for but which cannot be obtained, or which are not normally
     applied for or taken, given or obtained, prior to the Closing
     Date, and which in the normal course would be granted; provided
     that the failure to obtain such Governmental Actions, consents
     or approvals by the Closing Date would not materially adversely
     affect the ability of the Lessee to perform its obligations
     under this Agreement, the Pass Through Trust Agreement or any
     other Operative Document to which it is a party.

               3.6  Representations and Warranties; Certificates. 
     The representations and warranties of each of the Owner
     Participant, the Pass Through Trustee, the Trust Company and
     the Grantor Trustee, and the Indenture Trustee contained in
     Sections 6, 7, 8 and 9, respectively, and of the Guarantor
     contained in Section 1.1 of the Guaranty, shall be true and
     accurate on and as of the Closing Date as though made on and as
     of such date, except to the extent that such representations
     and warranties relate solely to an earlier date (in which case
     the same shall be true and accurate as of such earlier date),
     and the Lessee shall have received executed copies of each of
     the certificates referred to in Section 4.10 and Section 4.11
     (other than Section 4.10(a) and Section 4.11(a)) required to be
     delivered on the Closing Date, which certificates shall be
     dated the Closing Date.

               3.7  Opinions.  A signed original of each opinion
     referred to in Section 4.8 (other than Section 4.8(a), (b), (c)
     and (j)) shall have been addressed to and delivered to the
     Lessee.

               3.8  Litigation.  There shall be no actions, suits,
     investigations or proceedings pending or, to the knowledge of
     the Lessee, threatened against the Lessee, the Guarantor, the
     Owner Participant, the Pass Through Trustee, the Grantor
     Trustee or the Indenture Trustee or the properties of any of
     such Persons before any Governmental Authority to set aside,
     restrain, enjoin or prevent the consummation of this Agreement
     or the transactions contemplated hereby or by any of the other
     Operative Documents, the Pass Through Trust Agreement, the
     Federal Leases, the Operating Agreement, the Unit Agreement or
     the Placement Agreement.

               3.9  Appraisal and Reports.  The Lessee shall have
     received a summary of the conclusions set forth in the Final
     Appraisal and a copy of the Reserve Report, the Engineer's
     Report and the Environmental Report.

               3.10  Equity Offering.  The Lessee shall have
     received an executed copy of the letter referred to in Section
     4.13, which letter shall be dated the Closing Date.

               3.11  Payment of Lessor's Cost.  Enserch Holdings
     shall have received payment of an amount equal to Lessor's Cost
     in accordance with Section 2.7.

               3.12  Sale of Pass Through Certificates.  The Pass
     Through Certificates shall have been issued pursuant to the
     Pass Through Trust Agreement and sold pursuant to the Placement
     Agreement and the Underwriters shall have transferred to the
     Pass Through Trustee in immediately available funds an amount
     equal to the purchase price for the Pass Through Certificates
     sold pursuant to the Pass Through Trust Agreement.

               3.13  Officer's Certificates and Resolutions, Etc. 
     On the Closing Date, the Lessee shall have received each of the
     Officer's Certificates referred to in Section 4.10 (other than
     Section 4.10(a)) and each of the Secretary's Certificates
     referred to in Section 4.11 (other than Section 4.11(a) and
     (g)).

     SECTION 4.    CONDITIONS TO CLOSING BY PARTICIPANTS.

               The obligations of the Owner Participant and the Pass
     Through Trustee pursuant to Section 2 to participate in the
     payment of Lessor's Cost and to take the other actions
     contemplated by Section 2 to be taken by them on the Closing
     Date are subject only to the fulfillment on the Closing Date to
     the satisfaction of (including, with respect to writings, such
     writings being in form and substance reasonably satisfactory to
     the addressee or the beneficiary thereof) or waiver by such
     Participant of each of the following conditions precedent
     (other than (i) in the case of the Owner Participant, Sections
     4.6(b), 4.8(e), 4.8(f), 4.10(b) and 4.11(b), and (ii) in the
     case of the Pass Through Trustee, Sections 4.6(a), 4.8(h) and
     (i), 4.9, 4.10(e) and 4.11(e)), except that the obligations of
     such Participant shall not be subject to such Participant's own
     performance or, if such Participant shall have the power to
     cause another Person to perform, such Participant's failure to
     cause such performance:

               4.1  Termination of Master Lease.  Enserch Holdings
     shall have terminated the Master Lease in accordance with the
     terms thereof.

               4.2  Notice of Closing.  Such Participant shall have
     received the notice of closing for such Closing Date required
     to be delivered pursuant to Section 2.4.

               4.3  Operative Documents.  Each of the following
     documents shall have been duly authorized, executed and
     delivered by the respective parties thereto:

                    (a)  this Agreement;

                    (b)  the Head Lease;

                    (c)  Head Lease Supplement No. 1;

                    (d)  the Lease;

                    (e)  Lease Supplement No. 1;

                    (f)  the Guaranty;

                    (g)  the Assignment and Assumption and Security
                         Agreement;

                    (h)  the Indenture;

                    (i)  Indenture Supplement No. 1;

                    (j)  the Tax Indemnity Agreement;

                    (k)  the Secured Notes;

                    (l)  the Trust Agreement; 

                    (m)  the Initial Letter of Credit;

                    (n)  the Reimbursement Agreement;

                    (o)  the Agency and Support Agreement;

                    (p)  the Ship Mortgage; and

                    (q)  the Collateral Assignment of Ship Mortgage;

     and each such document and the Pass Through Trust Agreement,
     the Federal Leases, the Operating Agreement, the Unit
     Agreement, the Release, the Quit Claim and Release Agreement
     and the Waiver and Consent Agreement shall be in full force and
     effect on the Closing Date, and no event or condition shall
     have occurred that, with or without the lapse of time or the
     giving of notice, shall give any other party thereto the right
     to terminate such document and an executed counterpart (or, in
     the case of the Pass Through Trust Agreement, the Federal
     Leases, the Operating Agreement, the Unit Agreement, the
     Release, the Quit Claim and Release Agreement and the Waiver
     and Consent Agreement, a true, correct and complete copy) of
     each of the same shall have been delivered to such Participant
     (except that the Tax Indemnity Agreement shall be delivered
     only to the parties thereto and each original Secured Note
     shall be delivered only to the Pass Through Trustee).

               4.4  Legality, Etc.  No change shall have occurred
     from October 23, 1996 to the Closing Date in Governmental Rules
     that, in the reasonable opinion of such Participant, would
     render it illegal or unduly burdensome for the Trust Company,
     the Grantor Trustee, the Lessee, the Indenture Trustee, the
     Pass Through Trustee, the Guarantor or any Participant to
     participate in any of the transactions contemplated by the
     Operative Documents to be consummated on the Closing Date or
     would materially adversely affect any of the foregoing.  No
     change or prospective or proposed change shall have occurred
     from October 23, 1996 to the Closing Date in Governmental Rules
     that, in the reasonable opinion of the Owner Participant, would
     render the transactions contemplated by the Operative Documents
     to be consummated on the Closing Date insufficiently economic.

               4.5  Event of Loss.  No Event of Loss shall have
     occurred and no event described in clause (c) of the definition
     of Event of Loss shall have occurred.

               4.6  Final Appraisal and Reports.  (a)  The Owner
     Participant shall have received an appraisal of the Appraiser
     dated the Closing Date with respect to the Undivided Interest
     (the "Final Appraisal") which shall be satisfactory in form and
     substance to the Owner Participant.

               (b)  The Indenture Trustee shall have received a
     letter from the Appraiser setting forth the conclusions of the
     Appraiser with respect to the fair market value of the
     Undivided Interest as of the Closing Date.

               (c)  The Owner Participant shall have received the
     Reserve Report in form and substance satisfactory to the Owner
     Participant.

               (d)  The Owner Participant shall have received the
     Engineer's Report which shall be in form and substance
     satisfactory to the Owner Participant.

               (e)  The Owner Participant shall have received the
     Environmental Report which shall be in form and substance
     satisfactory to the Owner Participant.

               (f)  The Owner Participant shall have received a
     certificate of classification from the American Bureau of
     Shipping as to the existing classification of the Platform.

               4.7  Insurance.  Insurance complying in all respects
     with the provisions of Section 13.1(a) of the Lease shall be in
     full force and effect and the Owner Participant and the
     Indenture Trustee shall have received a certificate of an
     independent insurance broker or consultant, which broker or
     consultant may be the Lessee's independent insurance broker or
     consultant, dated the Closing Date, setting forth in reasonable
     detail the insurance obtained by or on behalf of the Lessee in
     accordance with Section 13.1(a) of the Lease and as then in
     effect, stating that such insurance is in full force and effect
     and that all premiums then due thereon have been paid and an
     Officer's Certificate of the Lessee, dated the Closing Date,
     stating that such insurance complies in all respects with the
     provisions of such Section 13.1(a).

               4.8  Opinions.  Opinions dated the Closing Date of
     the following counsel, each such opinion substantially in the
     form of the indicated Exhibit hereto (with such changes to such
     form as contemplated by such Exhibit) and addressed as provided
     in such Exhibit (or, in lieu of including the Underwriter as an
     addressee, such counsel may deliver a reliance letter to the
     Underwriter), shall have been executed and delivered by such
     counsel:

                    (a)  W.T. Satterwhite, General Counsel to the
               parent of the Head Lessor, substantially in the form of
               Exhibit A-1;

                    (b)  Michael G. Fortado, General Counsel to the
               Lessee, substantially in the form of Exhibit A-2;

                    (c)  Chadbourne & Parke LLP, special counsel to
               the Lessee and the Head Lessor, substantially in the form
               of Exhibit A-3;

                    (d) Gordon, Arata, McCollam & Duplantis LLP,
               special Louisiana and admiralty counsel, substantially in
               the form of Exhibit A-4;

                    (e)  The Law Department of the First National
               Bank of Chicago, counsel to the Owner Participant and the
               Guarantor substantially in the form of Exhibit A-5;

                    (f)  Skadden, Arps, Slate, Meagher & Flom
               Illinois, special counsel to the Owner Participant and the
               Guarantor, substantially in the form of Exhibit A-6;

                    (g)  Morris, James, Hitchens & Williams, special
               counsel to the Trust Company and the Grantor Trustee,
               substantially in the form of Exhibit A-7;

                    (h)  Emmet, Marvin & Martin LLP, special counsel
               to the Indenture Trustee, substantially in the form of
               Exhibit A-8;

                    (i)  Emmet, Marvin & Martin LLP, counsel to the
               Pass Through Trustee, substantially in the form of Exhibit
               A-9;

                    (j)  Skadden, Arps, Slate, Meagher & Flom
               Illinois, special counsel to the Owner Participant, in
               form and substance satisfactory to the Owner Participant
               as to such tax matters related to the transactions
               contemplated hereby as the Owner Participant may
               reasonably request; 

                    (k)  De Castro & Robles, special Panama counsel,
               substantially in the form of Exhibit A-10;

                    (l)  Daniel Heini, Legal Counsel to the Initial
               Letter of Credit Bank, substantially in the form of
               Exhibit A-11; and

                    (m)  Mayer, Brown & Platt, special counsel to
               the Initial Letter of Credit Bank, substantially in the
               form of Exhibit A-12.

               4.9  Taxes.  All Taxes, fees and other charges, if
     any, payable on or prior to the Closing Date in connection with
     the consummation of the transactions contemplated by the
     Operative Documents occurring on or prior to the Closing Date
     shall have been duly paid in full on the Closing Date by the
     Lessee.  

               4.10  Officer's Certificates.  On the Closing Date,
     each Participant, the Grantor Trustee and the Indenture Trustee
     shall have received:

                    (a)  an Officer's Certificate of the Lessee,
               dated the Closing Date, stating that (i) the
               representations and warranties of the Lessee contained in
               any Operative Document (other than the tax representations
               and warranties set forth in Section 3 of the Tax Indemnity
               Agreement) are true and accurate on and as of the Closing
               Date as though made on and as of such date except to the
               extent that such representations and warranties
               specifically relate solely to an earlier date (in which
               case such representations and warranties shall have been
               true and accurate on and as of such earlier date),
               (ii) each Operative Document to which it is a party and
               the Pass Through Trust Agreement remains in full force and
               effect with respect to it; and (iii) the Lessee has
               performed all covenants and fulfilled all conditions
               required to be performed or fulfilled by it on or prior to
               the Closing Date;

                    (b)  an Officer's Certificate of the Owner
               Participant, dated the Closing Date, stating that (i) the
               representations and warranties of the Owner Participant
               contained in Section 6 are true and accurate on and as of
               the Closing Date as though made on and as of such date
               except to the extent that such representations and
               warranties specifically relate solely to an earlier date
               (in which case such representations and warranties shall
               have been true and accurate on and as of such earlier
               date); (ii) each Operative Document to which it is a party
               remains in full force and effect with respect to it; and
               (iii) the Owner Participant has performed all covenants
               and fulfilled all conditions required to be performed or
               fulfilled by it on or prior to the Closing Date;

                    (c)  an Officer's Certificate of the Trust
               Company and the Corporate Grantor Trustee, dated the
               Closing Date, stating that (i) the representations and
               warranties of the Trust Company and the Grantor Trustee
               contained in Section 8 are true and accurate on and as of
               the Closing Date as though made on and as of such date
               except to the extent that such representations and
               warranties specifically relate solely to an earlier date
               (in which case such representations and warranties shall
               have been true and accurate on and as of such earlier
               date); and (ii) each Operative Document to which the Trust
               Company, Laskaris or the Grantor Trustee is a party
               remains in full force and effect with respect to it or
               him, as the case may be;

                    (d)  an Officer's Certificate of the Corporate
               Indenture Trustee, dated the Closing Date, stating that
               (i) the representations and warranties of the Indenture
               Trustee contained in Section 9 are true and accurate on
               and as of the Closing Date as though made on and as of
               such date except to the extent that such representations
               and warranties specifically relate solely to an earlier
               date (in which case such representations and warranties
               shall have been true and accurate on and as of such
               earlier date); and (ii) each Operative Document to which
               The Bank of New York or Clark is a party remains in full
               force and effect with respect to it or him, as the case
               may be;

                    (e)  an Officer's Certificate of The Bank of New
               York (in its individual capacity and as Pass Through
               Trustee, as applicable), dated the Closing Date, stating
               that (i) the representations and warranties of The Bank of
               New York and the Pass Through Trustee contained in Section
               7 are true and accurate on and as of the Closing Date as
               though made on and as of such date except to the extent
               that such representations and warranties specifically
               relate solely to an earlier date (in which case such
               representations and warranties shall have been true and
               accurate on and as of such earlier date); and (ii) each of
               the Participation Agreement and the Pass Through Trust
               Agreement remains in full force and effect with respect to
               it; and

                    (f)  an Officer's Certificate of the Guarantor,
               dated the Closing Date, stating that (i) the
               representations and warranties of the Guarantor contained
               in Section 1.1 of the Guaranty are true and accurate on
               and as of the Closing Date as though made on and as of
               such date except to the extent that such representations
               and warranties specifically relate solely to an earlier
               date (in which case such representations and warranties
               shall have been true and accurate on and as of such
               earlier date); and (ii) the Guaranty remains in full force
               and effect.

               4.11  Resolutions, Etc.  Each Participant, the
     Grantor Trustee and the Indenture Trustee shall have received
     the following, in each case in form and substance reasonably
     satisfactory to such Person:

                    (a)  a Secretary's or an Assistant Secretary's
               certificate of the Lessee, dated the Closing Date,
               attaching and certifying as to (i) resolutions of its
               Board of Directors duly authorizing the execution,
               delivery and performance by the Lessee of each Operative
               Document to which it is a party, and the Pass Through
               Trust Agreement and the transactions contemplated thereby,
               certified to be in full force and effect without
               modification as of the Closing Date, (ii) its charter
               documents, (iii) its by-laws, and (iv) the incumbency and
               signature of persons authorized to execute and deliver
               such documents on behalf of the Lessee;

                    (b)  a certificate of the Manager of the Owner
               Participant, dated the Closing Date, (i) certifying as to
               (x) due authorization of the execution, delivery and
               performance by the Owner Participant of each Operative
               Document to which it is a party, and the transactions
               contemplated thereby, and (y) the incumbency and signature
               of persons authorized to execute and deliver such
               documents on behalf of the Owner Participant, and
               (ii) attaching (x) its certificate of formation and
               (y) its limited liability company agreement.

                    (c)  a Secretary's or an Assistant Secretary's
               certificate of the Trust Company and the Grantor Trustee,
               dated the Closing Date, attaching and certifying as to (i)
               resolutions of its Board of Directors duly authorizing the
               execution, delivery and performance by the Trust Company
               and the Grantor Trustee of each Operative Document to
               which it is a party, and the transactions contemplated
               thereby, certified to be in full force and effect without
               modification as of the Closing Date, (ii) its charter
               documents, (iii) its by-laws, and (iv) the incumbency and
               signature of persons authorized to execute and deliver
               such documents on behalf of the Trust Company and the
               Grantor Trustee;

                    (d)  a certificate of the Indenture Trustee,
               dated the Closing Date, (i) certifying as to due
               authorization of the execution, delivery and performance
               by the Indenture Trustee of each Operative Document to
               which it is a party, and the transactions contemplated
               thereby, and (ii) attaching (x) an extract from the By-laws of 
               the Corporate Indenture Trustee, duly adopted by
               its Board of Directors, respecting the signing authority
               of such Persons who have signed each Operative Document to
               which it is a party and (y) a letter from an Executive
               Vice President of the Corporate Indenture Trustee
               authorizing, pursuant to such By-laws, such signing
               authority, which By-laws and letter are in full force and
               effect without modification as of the Closing Date;
               
                    (e)  a Secretary's or an Assistant Secretary's
               certificate of the Pass Through Trustee, dated the Closing
               Date, (i) certifying as to due authorization of the
               execution, delivery and performance by the Pass Through
               Trustee of the Pass Through Trust Agreement and the
               Participation Agreement, and the transactions contemplated
               thereby, and (ii) attaching (x) an extract from the By-laws of 
               the Pass Through Trustee, duly adopted by its
               Board of Directors who have signed the Pass Through Trust
               Agreement and the Participation Agreement and (y) a letter
               from an Executive Vice President of the Pass Through
               Trustee authorizing, pursuant to such By-laws, such
               signing authority, which By-laws and letter are in full
               force and effect without modification as of the Closing
               Date;

                    (f)  a Secretary's or an Assistant Secretary's
               certificate of the Guarantor, dated the Closing Date,
               attaching and certifying as to (i) resolutions of its
               Board of Directors duly authorizing the execution,
               delivery and performance by the Guarantor of the Guaranty
               and its obligations thereunder, certified to be in full
               force and effect without modification as of the Closing
               Date, (ii) its charter documents, (iii) its by-laws and
               (iv) the incumbency and signature of persons authorized to
               execute and deliver the Guaranty on behalf of the
               Guarantor; and

                    (g)  a Secretary's or an Assistant Secretary's
               certificate of the Head Lessor, dated the Closing Date,
               attaching and certifying as to (i) resolutions of its
               Board of Directors duly authorizing the execution,
               delivery and performance by the Head Lessor of each
               Operative Document to which it is a party, and the
               transactions contemplated thereby, certified to be in full
               force and effect without modification as of the Closing
               Date, (ii) its charter documents, (iii) its by-laws, and
               (iv) the incumbency and signature of persons authorized to
               execute and deliver such documents on behalf of the Head
               Lessor.

               4.12  Litigation.  There shall be no actions, suits,
     investigations or proceedings pending or, to the knowledge of
     the Guarantor, the Owner Participant, the Pass Through Trustee,
     the Grantor Trustee or the Indenture Trustee, threatened
     against any of such Persons or the Lessee or the properties of
     any of such Persons or the Lessee before any Governmental
     Authority which, if determined adversely to any of such
     Persons, would affect the legality, validity or enforceability
     of the Operative Documents, the Pass Through Trust Agreement,
     the Placement Agreement, the Reimbursement Agreement or the
     Initial Letter of Credit, nor shall any orders have been issued
     by any Governmental Authority at the time of the Closing Date,
     to set aside, restrain, enjoin or prevent the consummation of
     this Agreement or the transactions contemplated hereby or by
     any of the other Operative Documents, the Pass Through Trust
     Agreement, the Placement Agreement, the Reimbursement Agreement
     or the Initial Letter of Credit.

               4.13  Equity Offering.  The Owner Participant and the
     Indenture Trustee shall have received a letter dated the
     Closing Date from PaineWebber Incorporated with respect to the
     number of offerees of the beneficial interest in the Trust
     Estate and the manner of offering thereof.

               4.14  Investment and Loans.  The Owner Participant
     shall have made available to the Grantor Trustee the full
     amount of its Investment and the Pass Through Trustee shall
     have purchased the applicable Secured Notes required to be
     purchased by it on the Closing Date pursuant to Section 2.

               4.15  Consents and Approvals.  All Governmental
     Actions which are required to have been taken, given, obtained,
     filed or recorded, as the case may be, on or prior to the
     Closing Date by, from or with any Governmental Authority, and
     all other consents, filings or approvals which are required to
     have been taken, given, obtained, filed or recorded, as the
     case may be, on or prior to the Closing Date by, from or with
     any other Person, in each case, (a) in connection with the
     transactions contemplated by the Operative Documents and the
     Pass Through Trust Agreement, or to authorize the execution,
     delivery and performance by the Lessee, the Guarantor, the
     Owner Participant, the Grantor Trustee, the Indenture Trustee
     or the Pass Through Trustee of the Pass Through Trust
     Agreement, the Reimbursement Agreement and each of the
     Operative Documents to which it is a party, or the legality,
     validity, binding effect or enforceability thereof as against
     the Lessee, other than those constituting filings, recordings
     or other actions of the type referred to in Section 4.16, (b)
     in order that the Production System may be operated as of the
     Closing Date for its intended purposes (including, without
     limitation, all Environmental Permits and all approvals,
     certificates, permits, authorizations, licenses or other
     actions relating to the operation and maintenance of the
     Production System), or (c) otherwise in connection with the
     transactions contemplated by the Operative Documents
     (including, without limitation, all filings or other actions as
     may be required to be taken with respect to all leasehold
     interests relating to the Production System and with respect to
     the Undivided Interest), shall have been duly taken, given,
     obtained, filed or recorded, as the case may be, and all such
     approvals shall have been duly taken, given, obtained, filed or
     recorded, as the case may be, shall be in full force and effect
     on the Closing Date, shall not be subject to any pending
     proceedings or appeals (administrative, judicial or otherwise)
     and shall be adequate to authorize the consummation of the
     transactions contemplated by the Pass Through Trust Agreement,
     the Placement Agreement, the Reimbursement Agreement and the
     Operative Documents and the performance by each of the Lessee
     and the Guarantor of its obligations under such thereof to
     which it is a party, except such as may be required to be
     taken, obtained, given, accomplished or renewed from time to
     time in connection with the maintenance or operation of the
     Production System or which are otherwise required in connection
     with the transactions contemplated by the Pass Through Trust
     Agreement, the Placement Agreement, the Reimbursement Agreement
     and the Operative Documents which have been applied for but
     which cannot be obtained, or which are not normally applied for
     or taken, given or obtained, prior to the Closing Date, and
     which in the normal course would be granted; provided that the
     failure to obtain such Governmental Actions, consents or
     approvals by the Closing Date would not materially adversely
     affect the ability of the Lessee to perform its obligations
     under this Agreement, the Pass Through Trust Agreement or any
     other Operative Document to which it is a party.

               4.16  Title; Filings and Recordings.  On the Closing
     Date, after giving effect to the transactions contemplated
     hereby, (a) good and marketable title in and to the Undivided
     Interest shall have been transferred to the Grantor Trustee,
     free and clear of all Liens other than Permitted Liens (other
     than Permitted Liens described in clause (e) of the definition
     thereof), except for record title to the Undivided Interest,
     which will continue to be held by Enserch Exploration, (b) all
     filings and recordings listed on Schedule 3 shall have been
     duly made or arrangements reasonably satisfactory to the Owner
     Participant and the Indenture Trustee shall have been made for
     the due filing or recording thereof, subject to requirements
     for filing continuation statements at appropriate intervals,
     and (c) no other action shall be required to perfect the
     mortgage Lien on and security interest in the Indenture Estate
     created by the Indenture and Collateral Assignment of the Ship
     Mortgage (other than the taking of possession by the Indenture
     Trustee of the original executed counterpart of the Lease and
     of any cash proceeds included in the Indenture Estate and the
     filing of the Ship Mortgage and the Collateral Assignment of
     Ship Mortgage for definitive recordation at the Panama Public
     Registry within six months of the date of preliminary
     recordation).

               4.17  Sale of Pass Through Certificates.  The Lessee
     shall have entered into the Placement Agreement and the Pass
     Through Trust Agreement, the Pass Through Certificates shall
     have been issued pursuant to the Pass Through Trust Agreement
     and sold pursuant to the Placement Agreement and the
     Underwriter shall have transferred to the Pass Through Trustee
     in immediately available funds an amount equal to the purchase
     price for the Pass Through Certificates.

               4.18  No Default Under Operating Agreement, Etc.  No
     material breach by MPTM or Enserch Exploration under the
     Federal Leases, or by any party to the Operating Agreement or
     the Unit Agreement shall have occurred and be continuing.

               4.19  No Default Under Lease.  No Lease Default or
     Lease Event of Default shall have occurred and be continuing.

               4.20  No Material Adverse Change.  There shall have
     been no material adverse change in the business, operations or
     financial condition of the Lessee from October 23, 1996 to the
     Closing Date.

               4.21  Credit Support.  The Lessee and the Initial
     Letter of Credit Bank shall have entered into the Reimbursement
     Agreement and the Grantor Trustee shall have received the
     Initial Letter of Credit substantially in the form of Exhibit A
     to the Reimbursement Agreement.

               4.22  Notice to MPTM.  The Lessee shall have
     delivered notice of the transactions contemplated by the
     Operative Documents to MPTM in accordance with the terms of the
     Operating Agreement.

               4.23  No Change In Tax Law.  There shall not have
     been any proposed or actual amendment, modification, addition
     or change in or to the provisions of, or the interpretation of
     any tax law, regulation, rule or case (including any
     interpretation of U.S. Federal income tax law as in effect on
     October 23, 1996) the effect of which would or might render
     invalid any of the tax assumptions set forth in the Tax
     Indemnity Agreement (including, but not limited to, changes to
     the applicable statutory tax rate) or adversely affect the
     Owner Participant's Net Economic Return, which amendment,
     modification, addition or change shall have been enacted,
     promulgated, issued or proposed on or after October 23, 1996
     and prior to the time of closing on the Closing Date.

     SECTION 5.    REPRESENTATIONS AND WARRANTIES OF THE LESSEE.

               The Lessee represents and warrants to each of the
     other parties hereto that as of the date hereof and as of the
     Closing Date:

               5.1  Due Organization.  The Lessee is a corporation
     duly organized, validly existing and in good standing under the
     laws of the State of Texas and has the corporate power and
     authority to carry on its business as presently conducted and
     as it is contemplated it will be conducted in connection with
     the Undivided Interest, to own or hold under lease its
     properties, and to enter into and perform its obligations under
     this Agreement, the Pass Through Trust Agreement, the
     Reimbursement Agreement and each other Operative Document to
     which it is a party.  The Lessee has not failed to qualify to
     do business in any jurisdiction where failure so to qualify
     could reasonably be expected to materially adversely affect its
     ability to conduct its business as it is presently conducted
     and as it is contemplated it will be conducted in connection
     with the Undivided Interest, to own or hold under lease its
     properties or to perform any of its obligations under this
     Agreement, the Pass Through Trust Agreement, the Reimbursement
     Agreement or any other Operative Document to which it is a
     party.

               5.2  Authorization.  The execution, delivery and
     performance by the Lessee of this Agreement, the Pass Through
     Trust Agreement, the Reimbursement Agreement and each other
     Operative Document to which it is a party and of the
     transactions contemplated hereby and thereby have been duly
     authorized by all necessary corporate action on the part of the
     Lessee and do not and will not require the consent or approval
     of any shareholder of the Lessee or any trustee or holder of
     any indebtedness or other obligation of the Lessee.

               5.3  Execution; Enforceability.  This Agreement, the
     Pass Through Trust Agreement, the Reimbursement Agreement and
     each other Operative Document to which the Lessee is a party
     have been, or on the Closing Date will be, duly executed and
     delivered by the Lessee; and, assuming the due authorization,
     execution and delivery hereof and thereof by the other parties
     hereto and thereto are, or on the Closing Date will be, legal,
     valid and binding obligations of the Lessee, enforceable
     against the Lessee in accordance with their respective terms,
     except as such enforceability may be limited by applicable
     bankruptcy, insolvency, reorganization, liquidation, moratorium
     or similar laws affecting creditors' or lessors' rights
     generally and by the application of general equitable
     principles which may limit the availability of certain
     remedies.

               5.4  No Violation.  The execution and delivery by the
     Lessee of this Agreement, the Pass Through Trust Agreement, the
     Reimbursement Agreement and each other Operative Document to
     which it is a party do not and will not, and the performance by
     the Lessee of its obligations under each thereof do not and
     will not, (i) violate or be inconsistent with its charter
     documents or by-laws, (ii) contravene any Governmental Rule or
     Governmental Action applicable to it, which, in the case of
     such performance, noncompliance with which would materially
     adversely affect the Undivided Interest or the ability of the
     Lessee to perform its obligations under the Operative
     Documents; provided that no representation or warranty is made
     with respect to ERISA, which is the subject of Section 5.21
     (iii) contravene any provision of, or constitute a default
     under, any indenture, mortgage, contract or other agreement or
     instrument to which the Lessee is a party or by which it or any
     of its properties are bound, (iv) result in or, require the
     creation or imposition of any Lien (other than Permitted Liens)
     upon any of its properties or assets.

               5.5  Consents and Approvals.  All Governmental
     Actions which are required to have been taken, given, obtained,
     filed or recorded, as the case may be, on or prior to the
     Closing Date by, from or with any Governmental Authority and
     all other consents, filings or approvals which are required to
     have been taken, given, obtained, filed or recorded, as the
     case may be, on or prior to the Closing Date by, from or with
     any other Person, in each case, (a) in connection with the
     transactions contemplated by the Operative Documents, the Pass
     Through Trust Agreement and the Reimbursement Agreement, or to
     authorize the execution, delivery and performance by the Lessee
     of the Pass Through Trust Agreement, the Reimbursement
     Agreement and the Operative Documents to which it is a party,
     or the legality, validity, binding effect or enforceability
     thereof as against the Lessee, other than those constituting
     filings, recordings or other actions of the type referred to in
     Section 5.7 or (b) in order that the Production System may be
     operated as of the Closing Date for its intended purposes
     (including, without limitation, all Environmental Permits and
     all approvals, certificates, permits, authorizations, licenses
     or other actions relating to the operation and maintenance of
     the Production System), shall have been duly taken, given,
     obtained, filed or recorded, as the case may be, and shall be
     in full force and effect on the Closing Date, shall not be
     subject to any pending proceedings or appeals (administrative,
     judicial or otherwise) and shall be adequate to authorize the
     consummation by the Lessee of the transactions contemplated by
     the Pass Through Trust Agreement, the Placement Agreement, the
     Reimbursement Agreement and the Operative Documents and the
     performance by the Lessee of its obligations under such thereof
     to which it is a party, except such as may be required to be
     taken, obtained, given, accomplished or renewed from time to
     time in connection with the maintenance or operation of the
     Production System or which are otherwise required in connection
     with the transactions contemplated by the Pass Through Trust
     Agreement, the Placement Agreement, the Reimbursement Agreement
     and the Operative Documents which have been applied for but
     which cannot be obtained, or which are not normally applied for
     or taken, given or obtained, prior to the Closing Date, and
     which in the normal course would be granted, provided that the
     failure to obtain such Governmental Actions, consents, filings
     and approvals by the Closing Date would not materially
     adversely affect the ability of the Lessee to perform its
     obligations under this Agreement, the Pass Through Trust
     Agreement, the Reimbursement Agreement or any other Operative
     Document to which it is a party.

               5.6  Securities Act.  Neither the Lessee nor any
     Person authorized on its behalf has directly or indirectly
     offered or sold any interest in the Trust Estate, or in any
     similar security relating to the Undivided Interest, or in any
     security the offering of which for purposes of the Securities
     Act would be deemed to be part of the same offering as the
     offering of the aforementioned interest or similar security to,
     or solicited any offer to acquire any of the same from, any
     Person other than the Owner Participant and the institutions
     referred to in the letter referred to in Section 4.13 from
     PaineWebber Incorporated.  Neither the Lessee nor any Person
     authorized on its behalf has directly or indirectly offered or
     sold any Pass Through Certificates, or solicited any offer to
     acquire the same from, any Person other than in a manner
     required by the Securities Act.  Except in connection with a
     refunding under Section 15, neither the Lessee nor any Person
     authorized to act on its behalf has taken or will take any
     action which would subject the issuance or sale of any interest
     in the Trust Estate or the Secured Notes to the provisions of
     Section 5 of the Securities Act or require the qualification of
     the Indenture under the Trust Indenture Act.

               5.7  Title; Liens Filings and Recordings.  On the
     Closing Date, after giving effect to the transactions
     contemplated hereby, (a) good and marketable title in and to
     the Undivided Interest shall have been transferred to the
     Grantor Trustee, free and clear of all Liens other than
     Permitted Liens (other than Permitted Liens described in clause
     (e) of the definition thereof), except for record title to the
     Undivided Interest, which will continue to be held by Enserch
     Exploration, (b) the filings and recordings listed in Schedule
     3 will be all the filings and recordings necessary to establish
     the Grantor Trustee's right, title and interest in and to the
     Undivided Interest, to perfect the mortgage Lien and security
     interest in the Undivided Interest granted to secure the
     obligations of Enserch Exploration under the Head Lease and to
     perfect the mortgage Lien on and security interest in the
     Indenture Estate created by the Indenture and the Collateral
     Assignment of Ship Mortgage (subject only to Permitted Liens)
     and all such filings and recordings will have been duly made or
     arrangements satisfactory to the Owner Participant and the
     Indenture Trustee shall have been made for the due filing or
     recording thereof, subject to requirements for filing
     continuation statements at appropriate intervals and subject to
     Permitted Liens, and (c) no other action will be required to
     perfect such mortgage Lien and security interest (other than
     the taking of possession by the Indenture Trustee of the
     original executed counterpart of the Lease and of any cash
     proceeds included in the Indenture Estate and the filing of the
     Ship Mortgage and the Collateral Assignment of Ship Mortgage
     for definitive recordation at the Panama Public Registry within
     six months of the date of preliminary recordation).

               5.8  Chief Place of Business.  The chief place of
     business and chief executive office of the Lessee is located at
     4849 Greenville Avenue, Suite 1200, Dallas, Texas 75206-4186.

               5.9  Litigation.  There is no action, suit,
     investigation or proceeding pending or, to the Actual Knowledge
     of the Lessee, threatened against the Lessee or affecting it or
     its properties or rights before any Governmental Authority that
     questions the validity of any Operative Document or Enserch
     Document which, individually or in the aggregate, is reasonably
     likely materially and adversely to affect (x) the consummation
     of the transactions under this Agreement, the Pass Through
     Trust Agreement, the Reimbursement Agreement or any other
     Operative Document to which it is a party or (y) the business,
     operations or properties of the Lessee, its ability to perform
     its obligations under the Reimbursement Agreement or any of the
     Operative Documents to which it is a party, or the continued
     economic operation of the Production System.  The Lessee is not
     in default with respect to any order of any Governmental
     Authority, where such default would materially and adversely
     affect the business, operations or properties of the Lessee as
     it relates to the Production System, its ability to perform its
     obligations under the Reimbursement Agreement or any of the
     Operative Documents to which it is a party, or the continued
     economic operation of the Production System or would result in
     the creation or imposition of any Lien (other than a Permitted
     Lien) upon the Production System or the Undivided Interest.

               5.10  No Default.  No Lease Default or Lease Event of
     Default has occurred and is continuing.

               5.11  Event of Loss.  No Event of Loss has occurred
     and, to the Actual Knowledge of the Lessee, no event described
     in clause (c) of the definition of Event of Loss has occurred.

               5.12  Environmental Matters.  Except as set forth in
     Schedule 4:

                    (a)  the Lessee has obtained all Environmental
               Permits and is in compliance with all Environmental Laws
               and Environmental Permits applicable to the Production
               System, except where such failure would not in the
               aggregate materially adversely affect the Production
               System or the Lessee's ability to perform its obligations
               under the Operative Documents;

                    (b)  there have been no Releases of Hazardous
               Materials at or from the Production System which have been
               required to be reported to any Governmental Authority
               pursuant to any applicable Environmental Laws, except for
               Releases which would not in the aggregate materially
               adversely affect the Production System or the Lessee's
               ability to perform its obligations under the Operative
               Documents; and

                    (c)  neither Enserch Holdings, the Lessee nor
               any of their respective Affiliates has received any
               written notice that such Person is subject to any
               threatened, pending or outstanding Claim relating to the
               Production System with respect to any Environmental Law or
               any Remedial Action, which if decided adversely to such
               Person, would in the aggregate materially adversely affect
               the Production System or the Lessee's ability to perform
               its obligations under the Operative Documents.

               5.13  Description of Production System.  The
     description set forth in Exhibit A of the Lease is a true and
     accurate description in all material respects of the Production
     System.

               5.14  Certain Documents.  True, correct and complete
     copies of the Federal Leases, the Operating Agreement, the Unit
     Agreement, the Release, the Waiver and Consent Agreement and
     the Quit Claim and Release Agreement (the "Garden Banks
     Documents") have been delivered to the Owner Participant.  Each
     of the Garden Banks Documents is in full force and effect, and
     no material breach thereof by the Lessee or, to the Lessee's
     Actual Knowledge, by any other party thereto, has occurred and
     is continuing.  The Participation Agreement dated as of June
     15, 1994 between the Lessee and MPTM does not apply to the
     Garden Banks Documents, the Production System or the Operative
     Documents in any manner that would reasonably be expected to be
     adverse to the interests of the Owner Participant, the Grantor
     Trustee, the Indenture Trustee or the holder of the Secured
     Notes.

               5.15  Payment of Taxes, Etc.  All Taxes, fees and
     other charges payable on or prior to the Closing Date in
     connection with the execution, delivery, recordation or filing
     of all documents and instruments, including the Operative
     Documents, and the consummation of the transactions
     contemplated by the Operative Documents occurring on or prior
     to the Closing Date, have been paid in full.

               5.16  Investment Company Act.  The Lessee is not an
     "investment company" or a company "controlled" by an
     "investment company" within the meaning of the Investment
     Company Act of 1940, as amended.

               5.17  No Brokers' Fees.  Neither the Lessee nor any
     Person acting on its behalf has taken any actions the effect of
     which would be to cause the Grantor Trustee, the Indenture
     Trustee or any Participant to be liable for any brokers',
     finders' or agents' fees or commissions or costs of any nature
     or kind claimed by or on behalf of brokers, finders or agents
     in respect of the transactions contemplated by this Agreement
     other than fees payable to PaineWebber Incorporated, all of
     which fees, commissions or costs are included in Transaction
     Expenses or will be paid or indemnified against by the Lessee.

               5.18  Federal Reserve Regulations.  Neither the
     Lessee nor Enserch Holdings is engaged principally in, and does
     not have as one of its important activities, the business of
     extending credit for the purpose of purchasing or carrying any
     margin stock (within the meaning of Regulation U of the Board
     of Governors of the Federal Reserve System of the United
     States), and no part of the proceeds of the Secured Notes will
     be used to purchase or carry any such margin stock or, to its
     knowledge, to extend credit to others for the purpose of
     purchasing or carrying any such margin stock or for any purpose
     that violates, or is inconsistent with, the provisions of
     Regulation G, T, U or X of the Board of Governors of the
     Federal Reserve System of the United States.

               5.19  Holding Company.  The Lessee is not subject to
     regulation as a "holding company," an "affiliate" of a "holding
     company," or a "subsidiary company" of a "holding company,"
     within the meaning of the Public Utility Holding Company Act of
     1935, as amended.

               5.20  Not Subject to Governmental Regulation. 
     Neither the Owner Participant nor the Grantor Trustee will
     become, solely by reason of its entering into the Operative
     Documents to which either is or is to be a party or the
     consummation of the transactions contemplated thereby, subject
     to regulation by any Governmental Authority (other than banking
     regulations or regulations relating to leasing generally)
     having jurisdiction or regulatory authority over (i) the
     production, processing, transportation or sale of oil or gas or
     (ii) the ownership, use, leasing, operation or maintenance of
     the Production System or the subject matter of the Operating
     Agreement or any Garden Banks Document.

               5.21  Condition of Production System.  (i) The
     Production System, taken as a whole, and each Major Component
     thereof, is substantially complete and is ready and available
     to perform the function for which it was designed and
     installed; (ii) the Production System has been maintained,
     serviced and repaired in accordance with the applicable
     provisions of the Operating Agreement and in compliance in all
     material respects with (A) Governmental Rules, and (B) the
     requirements of any insurance policy required to be maintained
     pursuant to Section 13 of the Lease; and (iii) the Lessee knows
     of no event or condition currently existing which presently
     materially and adversely affects the operation or maintenance
     of the Production System or which would materially and
     adversely affect the capability of the Production System (A) to
     operate as an oil and gas exploration facility or
     (B) materially impair the value, utility or remaining useful
     life of the Production System from that determined in the Final
     Appraisal.

               5.22  ERISA.  Based upon the representations of the
     Owner Participant in Section 6.7 and the Loan Participant in
     Section 7.8 and assuming that the Pass Through Certificates are
     distributed in the manner set forth in the Preliminary Offering
     Memorandum dated November 14, 1996 and assuming compliance with
     the restrictions on transfer set forth therein, the execution
     and delivery of this Participation Agreement and the other
     Operative Documents the consummation of the transactions
     contemplated hereby and thereby will not involve any
     "prohibited transaction" within the meaning of ERISA or
     Section 4975 of the Code.

               5.23  Financial Statements.  Each of the consolidated
     financial statements of the Lessee set forth in its annual
     report on Form 10-K for the year ended December 31, 1995 and
     the consolidated financial statements of the Lessee set forth
     in its quarterly report on Form 10-Q for the quarter ended
     September 30, 1996 fairly presents the consolidated financial
     position of the Lessee and its Subsidiaries as at the
     respective dates thereto and the consolidated results of
     operations and changes in financial position of the Lessee and
     its Subsidiaries for each of the periods covered thereby
     (subject, in the case of any unaudited interim financial
     statements, to changes resulting form normal year-end
     adjustments) and is in conformity with GAAP applied on a
     consistent basis (except as disclosed in the notes thereto). 
     Since December 31, 1995, there has been no material adverse
     change in the financial condition of the Lessee and its
     Subsidiaries.

               5.24  Disclosure.  No information or report furnished
     in writing to the Participants contains any untrue statement of
     material fact or omits to state a material fact necessary to
     make the statements contained therein not misleading.  There is
     no fact of which the Lessee has Actual Knowledge that has not
     been disclosed in writing to each of the Participants that
     materially adversely affects the ability of the Lessee to
     perform its obligations under the Operating Agreement, this
     Participation Agreement and the other Operative Documents to
     which it is a party.  The Lessee is not in default nor has any
     event or circumstance occurred which, but for the expiration of
     any applicable grace period or the giving of notice, or both,
     would constitute a default under any agreement or instrument
     for borrowed money to which the Lessee is a party or by which
     the Lessee is bound.

               5.25  Tax Returns.  The Lessee has filed or caused to
     be filed all United States Federal and all other material tax
     returns that are required to be filed by the Lessee, and has
     paid or caused to be paid all taxes shown to be due and payable
     on such returns or on any assessment received by the Lessee to
     the extent such taxes have become due and payable, and to the
     extent, if any, that such taxes are not due and payable, has
     established or caused to be established reserves that are
     adequate for the payment thereof in accordance with GAAP.

               5.26  Insurance.  The insurance required by Section
     13(a) of the Lease is in full force and effect.

               5.27  Compliance with Governmental Rules.  The
     present location, use, occupancy and operation of the
     Production System comply in all material respects with all
     Governmental Rules.

               5.28  Adequate Rights.  Based upon the Lessee's
     reasonable expectations and subject to Governmental Rules, the
     rights and interests made available to the Grantor Trustee
     pursuant to the Agency and Support Agreement, to the extent
     such rights and interests are to be made available to the
     Grantor Trustee or its permitted transferees, together with the
     rights to be made available under the Operating Agreement,
     permit the Grantor Trustee or its permitted transferee to use
     (as distinguished from possessing) the Production System
     (either directly or through the exercise of rights under the
     Operating Agreement) on a commercially practicable basis and to
     earn a market fee for any hydrocarbons from interests in the
     Blocks (as defined in the Agency and Support Agreement) owned
     by the Lessee or its Affiliates and processed by the Production
     System during the period following the expiration or earlier
     termination of the Lease and the taking of possession of the
     Undivided Interest in the exercise of remedies under Section 16
     of the Lease, as the case may be.

               5.29  Solvency.  The conveyance of the Undivided
     Interest by Enserch Holdings pursuant to the Head Lease and the
     transfer by Enserch Holdings of its right, title and interest
     in the Head Lease pursuant to the Assignment and Assumption and
     Security Agreement and the assumption by the Lessee of Enserch
     Holdings' obligations under the Head Lease will not render
     Enserch Holdings or the Lessee insolvent nor are such
     transactions being consummated in the contemplation of the
     insolvency of Enserch Holdings or the Lessee; the property
     remaining in the hands of Enserch Holdings after such
     conveyances is not unreasonably small capital; the property
     remaining in the hands of the Lessee after the consummation of
     such transactions is not unreasonably small capital; neither
     Enserch Holdings nor the Lessee intends or believes that it
     will incur debts beyond their respective abilities to pay as
     such debts mature; and neither Enserch Holdings nor the Lessee
     has an actual intent to hinder, delay or defraud present or
     future creditors.

               5.30  Patent and Trademarks.  There are no material
     patents, patent rights, trademarks, service marks, trade names,
     copyrights, licenses or other intellectual property rights with
     respect to the Production System that are necessary for the
     continued economic operation of the Production System and that
     are not provided pursuant to the Agency and Support Agreement.

               5.31  Representations and Warranties of Head Lessor. 
     The representations and warranties of the Head Lessor contained
     in Section 11 of the Head Lease are true and correct.

               5.32  Head Lease.  (a) Enserch Holdings has the power
     to convey to the Grantor Trustee all right, title and interest
     Enserch Holdings has in the Production System and every part
     thereof under all Governmental Rules; the Head Lease is
     effective to convey all such rights and interests in accordance
     with the terms thereof; and, assuming the filings contemplated
     by Section 5.7 are made, such conveyance is effective against
     third parties.

               (b)  Enserch Exploration has the power to make an
     effective conveyance to the Grantor Trustee of all right, title
     and interest of Enserch Exploration in the Production System
     and every part thereof (other than the Satellite Template)
     under all Governmental Rules; the provisions of Section 2 of
     the Assignment and Assumption and Security Agreement, taken
     together with the Head Lease, are effective to convey all
     rights and interests of Enserch Exploration, in accordance with
     the terms thereof; and, assuming the filings contemplated by
     Section 5.7 are made, such conveyance is effective against
     third parties.

               (c)  Enserch Exploration has the power to convey to
     the Grantor Trustee all rights and interests of Enserch
     Exploration in the Satellite Template under a 99 year lease
     such as the Head Lease provided that Enserch Exploration does
     not purport to convey record title to the Satellite Template
     and, assuming the filings contemplated by Section 5.7 are made,
     such conveyance is enforceable against all third parties.

               NOTWITHSTANDING ANYTHING CONTAINED HEREIN OR IN ANY
     OTHER OPERATIVE DOCUMENT, THE LESSEE DOES NOT MAKE NOR SHALL THE
     LESSEE BE DEEMED TO HAVE MADE, AND THE LESSEE HEREBY DISCLAIMS,
     ANY REPRESENTATION OR WARRANTY (OTHER THAN THOSE MADE IN THIS
     SECTION, IN ANY OFFICER'S CERTIFICATE OF THE LESSEE OR EXPRESSLY
     MADE IN ANY OTHER OPERATIVE DOCUMENT), EITHER EXPRESS OR IMPLIED,
     AS TO THE DESIGN OR CONDITION OF THE PRODUCTION SYSTEM OR ANY
     PART THEREOF, THE MERCHANTABILITY THEREOF OR THE FITNESS THEREOF
     FOR ANY PARTICULAR PURPOSE, THE ABILITY OF THE PRODUCTION SYSTEM
     TO PERFORM ANY FUNCTION, THE QUALITY OF THE MATERIALS OR
     WORKMANSHIP THEREOF OR CONFORMITY THEREOF TO SPECIFICATIONS, OR
     THE PRESENCE OR ABSENCE OF ANY LATENT OR OTHER DEFECTS, WHETHER
     OR NOT DISCOVERABLE; PROVIDED THAT THE FOREGOING SHALL NOT EXCUSE
     THE PERFORMANCE BY THE LESSEE OF ITS OBLIGATIONS UNDER THIS
     AGREEMENT OR ANY OTHER OPERATIVE DOCUMENT. 

     SECTION 6.     REPRESENTATIONS AND WARRANTIES OF OWNER
                    PARTICIPANT.

               The Owner Participant represents and warrants to each
     of the other parties hereto that as of the date hereof and as
     of the Closing Date:

               6.1  Due Organization.  The Owner Participant is a
     limited liability company duly organized, validly existing and
     in good standing under the laws of the State of Delaware and
     has the requisite power and authority to enter into and perform
     its obligations under this Agreement and each other Operative
     Document to which it is a party.

               6.2  Authorization; Execution; Enforceability.  The
     execution, delivery and performance by the Owner Participant of
     this Agreement and each other Operative Document to which it is
     a party and of the transactions contemplated hereby and thereby
     have been, or on the Closing Date will be, duly authorized by
     all necessary action on the part of the Owner Participant and
     do not and will not require the consent or approval of any
     shareholder of the Owner Participant.  This Agreement and each
     other Operative Document to which the Owner Participant is a
     party have been duly authorized, executed and delivered by the
     Owner Participant and, assuming the due authorization,
     execution and delivery hereof and thereof by the other parties
     hereto and thereto, are, or on the Closing Date will be, legal,
     valid and binding obligations of the Owner Participant,
     enforceable against the Owner Participant in accordance with
     their respective terms, except as such enforceability may be
     limited by applicable bankruptcy, insolvency, reorganization,
     liquidation, moratorium or similar laws affecting creditors'
     rights generally and by the application of general equitable
     principles which may limit the availability of certain
     remedies.  Any direction given by the Owner Participant to the
     Grantor Trustee on the Closing Date pursuant to the Trust
     Agreement will have been duly authorized.

               6.3  No Violation.  The execution and delivery by the
     Owner Participant of this Agreement and each other Operative
     Document to which it is a party do not and will not, and the
     performance by the Owner Participant of its obligations under
     each thereof do not and will not, (i) violate or be
     inconsistent with or in violation of its certificate of
     formation or limited liability company agreement, (ii) assuming
     that the Owner Participant does not become subject to
     regulation by any Governmental Authority solely by reason of
     the execution, delivery and performance of the Operative
     Documents and not in whole or in part as a result of its or any
     of its Affiliate's business or other activities other than the
     activities engaged in solely by reason of the transactions
     contemplated under the Operative Documents, contravene any
     provision of any Governmental Rule or Governmental Action
     applicable to it or require any Governmental Action, provided
     that no representation or warranty is made with respect to
     ERISA (except as set forth in Section 6.7), and (iii)
     contravene any provision of, or constitute any default or
     require any consent under, any provision of any indenture,
     mortgage, contract or other instrument to which the Owner
     Participant is a party or by which it or any of its property is
     bound.

               6.4  Owner Participant's Liens.  There are no Owner
     Participant's Liens on the Trust Estate or the Indenture
     Estate, or on any part of either thereof and the execution,
     delivery and performance by the Owner Participant of the
     Operative Documents to which it is a party will not subject the
     Trust Estate or the Indenture Estate to any Owner Participant's
     Liens.

               6.5  Acquisition for Investment.  The Owner
     Participant is acquiring its interest in the Trust Estate for
     its own account for investment and not with a view to, or for
     sale in connection with, any distribution of any such interest
     (it being understood that at all times the disposition of its
     property shall remain within its control), except that the
     Owner Participant reserves the right to transfer or assign any
     of or all such interest to the extent permitted by the terms of
     this Agreement and the Trust Agreement.

               6.6  Securities Act.  Neither the Owner Participant
     nor any Person authorized by the Owner Participant has directly
     or indirectly offered or sold any interest in the Trust Estate
     or the Secured Notes, or in any similar security relating to
     the Undivided Interest, or in any security the offering of
     which for the purposes of the Securities Act would be deemed to
     be part of the same offering as the offering of the
     aforementioned securities to, or solicited any offer to acquire
     any of the same from, any Person other than, in the case of the
     Secured Notes, the Loan Participant, and neither the Owner
     Participant nor any Person authorized to act on its behalf have
     taken or will take any action which would subject the issuance
     or sale of any interest in the Trust Estate or the Secured
     Notes to the provisions of Section 5 of the Securities Act or
     require the qualification of the Indenture under the Trust
     Indenture Act except to the extent required under Section 15
     hereof.

               6.7  ERISA.  The Owner Participant is not acquiring
     any part of its interest in the Trust Estate with any ERISA
     Plan Assets.

               6.8  Investment Company Act.  The Owner Participant
     is not an "investment company" or a company "controlled" by an
     "investment company" within the meaning of the Investment
     Company Act of 1940, as amended.

               6.9  Litigation.  There is no action, suit,
     investigation or proceeding pending or, to the Actual Knowledge
     of the Owner Participant, threatened against the Owner
     Participant or the Guarantor or the properties of either of
     such Persons before any Governmental Authority which,
     individually or in the aggregate, is reasonably likely
     materially and adversely to affect the ability of the Owner
     Participant or the Guarantor to perform its obligations under
     this Agreement or any other Operative Document to which it is a
     party.

               6.10  No Default.  No Indenture Default or Indenture
     Event of Default attributable to the Owner Participant has
     occurred and is continuing.

               6.11  Federal Reserve Regulations.  No part of the
     proceeds of the Secured Notes will be used by the Owner
     Participant to purchase or carry any margin stock (within the
     meaning of Regulation U of the Board of Governors of the
     Federal Reserve System of the United States) or, assuming the
     accuracy of the representation set forth in Section 5.18, to
     extend credit to others for the purpose of purchasing or
     carrying any such margin stock.

               6.12  No Brokers' Fees.  Neither the Owner
     Participant nor any Person acting on its behalf has taken any
     actions the effect of which would be to cause the Lessee or any
     Loan Participant to be liable for any brokers', finders' or
     agents' fees or commissions or costs of any nature or kind
     claimed by or on behalf of brokers, finders or agents in
     respect of the transactions contemplated by this Agreement not
     included in Transaction Expenses.

     SECTION 7.     REPRESENTATIONS AND WARRANTIES OF PASS THROUGH
                    TRUSTEE.
   
            The Bank of New York represents and warrants in its
     individual capacity with respect to Sections 7.1, 7.2(a), 7.3,
     7.4, 7.5(a), 7.6 and 7.7 and not in its individual capacity,
     but solely in its capacity as Pass Through Trustee under the
     Pass Through Trust Agreement, with respect to Sections 7.2(b)
     and 7.5(b), to each of the other parties hereto that as of the
     date hereof and as of the Closing Date:

               7.1  Due Organization.  The Bank of New York is a New
     York banking corporation duly organized, validly existing and
     in good standing under the laws of the State of New York and
     has the corporate power and authority to enter into and perform
     its obligations under this Agreement and the Pass Through Trust
     Agreement.

               7.2  Authorization; Execution; Enforceability.  (a) 
     This Agreement and the Pass Through Trust Agreement have been,
     or on the Closing Date will be, duly authorized, executed and
     delivered by The Bank of New York, in its individual capacity
     and, assuming the due authorization, execution and delivery
     hereof and thereof by the other parties hereto and thereto,
     are, or on the Closing Date will be, legal, valid and binding
     obligations of The Bank of New York, in its individual capacity
     (to the extent it is a party hereto or thereto in such
     capacity), enforceable against it in accordance with their
     respective terms, except as such enforceability may be limited
     by applicable bankruptcy, insolvency, reorganization,
     liquidation, receivership, moratorium or similar laws affecting
     creditors' rights generally and by the application of general
     equitable principles which may limit the availability of
     certain remedies.

               (b)  This Agreement, the Pass Through Trust Agreement
     and the Pass Through Certificates have been duly authorized,
     executed and delivered by the Pass Through Trustee and,
     assuming the due authorization, execution and delivery hereof
     and thereof by the other parties hereto or thereto, are legal,
     v     valid and binding obligations of the Pass Through Trustee,
     enforceable against it in accordance with their respective
     terms, except as such enforceability may be limited by
     applicable bankruptcy, insolvency, reorganization, liquidation,
     receivership, moratorium or similar laws affecting creditors'
     rights generally and the application of general equitable
     principles may limit the availability of certain remedies.

               7.3  No Violation.  The execution, delivery and
     performance by The Bank of New York of this Agreement and the
     Pass Through Trust Agreement, the purchase by the Pass Through
     Trustee of the applicable Secured Notes pursuant to this
     Agreement and the issuance of the Pass Through Certificates
     pursuant to the Pass Through Trust Agreement are not and will
     not be inconsistent with its constitutional documents or do not
     and will not contravene any Governmental Rule of the United
     States of America or the State of New York governing with
     respect to its banking or trust powers, and will not contravene
     any provision of, or constitute a default under, any indenture,
     mortgage, contract or other instrument to which The Bank of New
     York, in its individual capacity, is a party, or by which it or
     any of its properties are bound, or require any Governmental
     Action of the United States of America or the State of New York
     governing its banking or trust powers.

               7.4  Litigation.  There is no action, suit,
     investigation or proceeding pending or, to the Actual Knowledge
     of The Bank of New York, threatened against it, whether in its
     individual capacity or as Pass Through Trustee, before any
     Governmental Authority governing its banking or trust powers
     which, individually or in the aggregate (so far as The Bank of
     New York, now can reasonably foresee), is reasonably likely
     materially and adversely to affect the ability of the Pass
     Through Trustee (in either such capacity) to perform its
     obligations under this Agreement or the Pass Through Trust
     Agreement (in either such capacity).

               7.5  [Intentionally Omitted]. 

               7.6  Securities Act.  The Bank of New York has not
     offered any interest in the Pass Through Certificates or any
     Secured Note or any similar securities for sale to, or
     solicited any offer to acquire the same from, anyone, other
     than the Grantor Trustee, and no responsible officer or
     responsible employee of The Bank of New York has knowledge of
     any such offer or solicitation, except as set forth in the
     Operative Documents and the Pass Through Trust Agreement.

               7.7  No Taxes Payable.  Except for Taxes based upon
     the income of any Person, there are no Taxes payable in the
     state in which the principal place of business of the Pass
     Through Trustee is located in connection with the execution,
     delivery, consummation or recordation of this Agreement and the
     other Operative Documents or the Pass Through Trust Agreement,
     upon or with respect to the Trust Estate or the Indenture
     Estate, or in connection with the consummation of the
     transactions contemplated hereby and by the other Operative
     Documents (including, without limitation, the filing of
     financing statements with respect thereto or the sale or
     transfer of the Undivided Interest). 

               7.8.  ERISA.  Assuming that the Pass Through
     Certificates are distributed in the manner set forth in the
     Preliminary Offering Memorandum dated November 14, 1996, the
     Loan Participant is not purchasing any of the Secured Notes
     with any ERISA Plan Assets, and no Employer Plan of the Loan
     Participant is acquiring the Pass Through Certificates.

     SECTION 8.     REPRESENTATIONS AND WARRANTIES OF TRUST COMPANY
                    AND THE CORPORATE GRANTOR TRUSTEE.
    
           The Trust Company represents and warrants with
     respect to Sections 8.1, 8.2 (other than clause (b)(ii)
     thereof), 8.3, 8.4(a), 8.5, 8.6 (as specified therein), 8.7 (as
     specified therein), 8.8, 8.9 and 8.10, and in its capacity as
     Corporate Grantor Trustee represents and warrants with respect
     to Sections 8.2(b)(ii), 8.4(b), 8.6 (as specified therein), 8.7
     (as specified therein) and 8.11, to each of the other parties
     hereto that as of the date hereof and as of the Closing Date:

               8.1  Due Organization.  The Trust Company is a
     Delaware banking corporation duly organized, validly existing
     and in good standing under the laws of the State of Delaware
     and has the corporate power and authority to enter into and
     perform its obligations under the Trust Agreement, this
     Agreement and each other Operative Document to which it is a
     party and assuming due authorization, execution and delivery by
     the Owner Participant of the Trust Agreement and upon due
     direction by the Owner Participant pursuant thereto, will have
     the power and authority to enter into and perform its
     obligations as Corporate Grantor Trustee under the Trust
     Agreement, this Agreement and each other Operative Document to
     which Corporate Grantor Trustee is a party.  The Lessor is a
     business trust duly organized, validly existing and in good
     standing under the laws of the State of Delaware and has the
     power and authority to enter into and perform its obligations
     hereunder.

               8.2  Authorization; Execution; Enforceability.  (a) 
     This Agreement, the Trust Agreement and each other Operative
     Document to which the Trust Company or Laskaris is a party have
     been, or on the Closing Date will be, duly authorized, executed
     and delivered by the Trust Company and Laskaris, respectively,
     and, assuming due authorization, execution and delivery by the
     other parties hereto and thereto, are, or on the Closing Date
     will be, legal, valid and binding obligations of the Trust
     Company and Laskaris, respectively, enforceable against it or
     him in accordance with their respective terms, except as such
     enforceability may be limited by applicable bankruptcy,
     insolvency, reorganization, liquidation, moratorium or similar
     laws affecting creditors' rights generally and by the
     application of general equitable principles which may limit the
     availability of certain remedies.

               (b)  This Agreement and each other Operative Document
     to which the Grantor Trustee is a party (i) have been, or on
     the Closing Date will be, (assuming due authorization,
     execution and delivery by the Owner Participant of the Trust
     Agreement and upon due direction by the Owner Participant
     pursuant thereto), in the case of the Corporate Grantor
     Trustee, duly authorized, executed and delivered by one of its
     officers who is duly authorized to execute and delivery such
     Operative Document on behalf of the Corporate Grantor Trustee
     and, in the case of the Individual Grantor Trustee, duly
     executed by Laskaris, and (ii) assuming due authorization,
     execution and delivery by the other parties hereto and thereto,
     are, or on the Closing Date will be, legal, valid and binding
     obligations of the Grantor Trustee enforceable against the
     Grantor Trustee in accordance with their respective terms,
     except as such enforceability may be limited by applicable
     bankruptcy, insolvency, reorganization, liquidation, moratorium
     or similar laws affecting creditors' rights generally and the
     application of general equitable principles may limit the
     availability of certain remedies.  Upon execution of the
     Secured Notes by the Grantor Trustee, authentication thereof by
     the Indenture Trustee and delivery thereof against payment or
     the giving of consideration therefor in accordance with the
     Indenture and this Agreement, the Secured Notes will be legal,
     valid and binding obligations of the Grantor Trustee
     enforceable against the Grantor Trustee in accordance with
     their respective terms, except as such enforceability may be
     limited by applicable bankruptcy, insolvency, reorganization,
     liquidation, moratorium or similar laws affecting creditors'
     rights generally and the application of general equitable
     principles may limit the availability of certain remedies.

               8.3  No Violation.  (a)  The execution and delivery
     by the Trust Company of the Trust Agreement and, to the extent
     it is a party hereto or thereto in its individual capacity,
     this Agreement and each other Operative Document, are not or
     will not be, and the performance by the Trust Company of its
     obligations under each will not be, inconsistent with the
     charter documents or by-laws of the Trust Company, do not and
     will not contravene any United States federal or Delaware
     Governmental Rule governing its banking or Trust powers
     relating to or affecting its capacity to act as contemplated by
     the Trust Agreement or the other Operative Documents to which
     it is a party and do not and will not contravene any provision
     of, or constitute a default under, any indenture, mortgage,
     contract or other instrument to which the Trust Company is a
     party or by which it or any of its property is bound, or
     require any United States federal or Delaware Governmental
     Action relating to or affecting its capacity to act as
     contemplated by the Trust Agreement or the other Operative
     Documents to which it is a party.  The execution and delivery
     by Laskaris of the Trust Agreement and, to the extent he is a
     party hereto or thereto in his individual capacity, this
     Agreement and each other Operative Document, and the
     performance by Laskaris of his obligations under each do not
     and will not, contravene any United States federal or Delaware
     Governmental Rule governing his banking or trust powers
     relating to or affecting his capacity to act as contemplated by
     the Trust Agreement or the other Operative Documents to which
     he is a party and do not and will not contravene any provision
     of, or constitute a default under, any indenture, mortgage,
     contract or other instrument to which he is a party or by which
     he or any of his property is bound, or require any United
     States federal or Delaware Governmental Action relating to or
     affecting his capacity to act as contemplated by the Trust
     Agreement or the other Operative Documents to which he is a
     party.

               (b)  The execution and delivery by the Grantor
     Trustee of each Operative Document to which the Grantor Trustee
     is a party are not, and the performance by the Grantor Trustee
     of the Grantor Trustee's obligations under each will not be,
     inconsistent with the charter documents or by-laws of the Trust
     Company, do not and will not contravene any United States
     federal or Delaware Governmental Rule regulating the Grantor
     Trustee's banking or trust powers relating to or affecting the
     Grantor Trustee's capacity to act as contemplated by the Trust
     Agreement or the Grantor Trustee Documents and do not and will
     not contravene any provision of, or constitute a default under,
     any indenture, mortgage, contract or other instrument to which
     the Grantor Trustee is a party or by which the Grantor Trustee
     or the Grantor Trustee's property is bound or, assuming the
     accuracy of the Lessee's representation in Section 5.20,
     require any United States federal or Delaware Governmental
     Action relating to or affecting the Grantor Trustee's capacity
     to act as contemplated by the Trust Agreement or the Grantor
     Trustee Documents.

               8.4  No Default.  (a)  No Indenture Default or
     Indenture Event of Default attributable to the Trust Company or
     Laskaris has occurred and is continuing.

               (b)  No Indenture Default or Indenture Event of
     Default attributable to the Grantor Trustee has occurred and is
     continuing.

               8.5  Litigation.  (a)  There is no action, suit,
     investigation or proceeding pending or, to the Actual Knowledge
     of the Trust Company, threatened against the Trust Company or 
     Laskaris before any Governmental Authority which, individually
     or in the aggregate (so far as the Trust Company now can
     reasonably foresee), is reasonably likely materially and
     adversely to affect the ability of the Trust Company or
     Laskaris to perform its or his obligations under this Agreement
     or any other Operative Document to which it or he is a party.

               (b)  There is no action, suit, investigation or
     proceeding pending or, to the Actual Knowledge of the Trust
     Company, threatened against the Grantor Trustee before any
     Governmental Authority which, individually or in the aggregate
     (so far as the Trust Company now can reasonably foresee), is
     reasonably likely materially and adversely to affect the
     ability of the Trust Company to perform its obligations under
     this Agreement or any other Operative Document to which it is a
     party.

               8.6  Lessor's Liens.  There are no Lessor's Liens
     attributable to the Grantor Trustee, Laskaris or the Trust
     Company on the Trust Estate or the Indenture Estate, or on any
     part of either thereof and the execution, delivery and
     performance by any of the Grantor Trustee, the Trust Company or
     Laskaris of the Operative Documents to which any of them is a
     party will not subject the Trust Estate or the Indenture Estate
     to any such Lessor's Liens.

               8.7  Securities Act.  None of the Trust Company,
     Laskaris, the Grantor Trustee or any Person authorized by any
     of the Trust Company, Laskaris or the Grantor Trustee to act on
     its or his behalf, has directly or indirectly offered or sold
     any interest in the Trust Estate or the Secured Notes, or in
     any similar security relating to the Undivided Interest, or in
     any security the offering of which for the purposes of the
     Securities Act would be deemed to be part of the same offering
     as the offering of the aforementioned securities to, or
     solicited any offer to acquire any of the same from, any
     Person, other than, in the case of the Secured Notes, the Loan
     Participants, and none of the Trust Company, Laskaris, the
     Grantor Trustee or any Person authorized by either of the Trust
     Company, Laskaris or the Grantor Trustee to act on its or his
     behalf will take any action which would subject the issuance or
     sale of any interest in the Trust Estate or the Secured Notes
     to the provisions of Section 5 of the Securities Act or require
     the qualification of the Indenture under the Trust Indenture
     Act except to the extent required under Section 15, it being
     understood that no Person has been authorized to act on behalf
     of the Grantor Trustee, Laskaris or the Trust Company in
     connection with the issuance and sale of the Pass Through
     Certificates.

               8.8  Chief Place of Business.  The Trust Company's
     chief place of business, chief executive office and office
     where the documents, accounts and records relating to the
     transactions contemplated by this Agreement and each other
     Operative Document are kept are located in Wilmington,
     Delaware.

               8.9  No Taxes Payable.  Except for Taxes based upon
     the income of any Person, there are no Taxes payable in the
     state in which the principal place of business of the Trust
     Company, or the Grantor Trustee, as the case may be, is located
     in connection with the execution, delivery, consummation or
     recordation of this Agreement and the other Operative
     Documents, upon or with respect to the Trust Estate or the
     Indenture Estate, or in connection with the consummation of the
     transactions contemplated hereby and by the other Operative
     Documents (including, without limitation, the filing of
     financing statements with respect thereto or the sale or
     transfer of the Undivided Interest, solely because the Trust
     Company has its principal place of business in the State of
     Delaware).

               8.10  Federal Reserve Regulations.  The Grantor
     Trustee is not engaged principally in, and does not have as one
     of its important activities, the business of extending credit
     for the purpose of purchasing or carrying any margin stock
     (within the meaning of Regulation U of the Board of Governors
     of the Federal Reserve System of the United States), and no
     part of the proceeds of the Secured Notes will be used by it or
     him to purchase or carry any such margin stock or, assuming the
     accuracy of the representation set forth in Section 5.18, to
     extend credit to others for the purpose of purchasing or
     carrying any such margin stock or for any purpose that
     violates, or is inconsistent with, the provisions of Regulation
     G, T, U or X of the Board of Governors of the Federal Reserve
     System of the United States.

     SECTION 9.     REPRESENTATIONS AND WARRANTIES OF THE CORPORATE
                    INDENTURE TRUSTEE.
   
            The Bank of New York represents and warrants in its
     individual capacity with respect to Sections 9.1, 9.2(a), 9.3,
     9.4, 9.5(a) and 9.6, and not in its individual capacity, but
     solely in its capacity as Corporate Indenture Trustee with
     respect to Sections 9.2(b) and 9.5(b), to each of the other
     parties hereto that as of the date hereof and as of the Closing
     Date:

               9.1  Due Organization.  The Bank of New York is a New
     York banking corporation duly organized, validly existing and
     in good standing under the laws of the State of New York and
     has the corporate power and authority to enter into and perform
     its obligations under this Agreement and each other Operative
     Document to which it is a party.

               9.2  Authorization; Execution; Enforceability.  (a) 
     This Agreement and each other Operative Document to which The
     Bank of New York or Clark, in its or his individual capacity is
     a party have been, or on the Closing Date will be, duly
     authorized, executed and delivered by The Bank of New York and
     Clark, respectively, each in its individual capacity and,
     assuming the due authorization, execution and delivery hereof
     and thereof by the other parties hereto and thereto, are, or on
     the Closing Date will be, legal, valid and binding obligations
     of the Indenture Trustee in its or his individual capacity, as
     the case may be, (to the extent it or he is a party hereto or
     thereto in such capacity), enforceable against it or him in
     accordance with their respective terms, except as such
     enforceability may be limited by applicable bankruptcy,
     insolvency, reorganization, liquidation, receivership,
     moratorium or similar laws affecting creditors' rights
     generally and the application of general equitable principles
     may limit the availability of certain remedies.  Assuming due
     authorization, execution and delivery thereof by the Grantor
     Trustee, each Secured Note issued on the Closing Date pursuant
     to the terms of this Agreement and the Indenture on the Closing
     Date will have been duly authenticated.

               (b)  This Agreement and each other Operative Document
     to which the Indenture Trustee is a party have been duly
     authorized, executed and delivered by the Indenture Trustee
     and, assuming the due authorization, execution and delivery
     hereof and thereof by the other parties hereto or thereto, are
     legal, valid and binding obligations of the Indenture Trustee,
     enforceable against the Indenture Trustee in accordance with
     their respective terms, except as such enforceability may be
     limited by applicable bankruptcy, insolvency, reorganization,
     liquidation, receivership, moratorium or similar laws affecting
     creditors' rights generally and the application of general
     equitable principles may limit the availability of certain
     remedies.

               9.3  No Violation.  The execution and delivery by The
     Bank of New York of this Agreement and each other Operative
     Document to which it is a party are not and will not be, and
     the performance by it of its obligations under each will not
     be, inconsistent with its charter documents or do not and will
     not contravene any Governmental Rule of the United States of
     America or New York governing with respect to its banking or
     Trust powers, and will not contravene any provision of, or
     constitute a default under, any indenture, mortgage, contract
     or other instrument to which The Bank of New York, in its
     individual capacity, is a party, or by which it or any of its
     properties are bound, or require any Governmental Action of the
     United States of America or New York governing its banking or
     trust powers.  The execution and delivery by Clark of this
     Agreement and each other Operative Document to which he is a
     party do not and will not contravene any Governmental Rule of
     the United States of America or New York governing with respect
     to his banking or trust powers, and will not contravene any
     provision of, or constitute a default under, any indenture,
     mortgage, contract or other instrument to which Clark, in his
     individual capacity, is a party, or by which he or any of his
     properties are bound, or require any Governmental Action of the
     United States of America or New York governing his banking or
     trust powers.

               9.4  Litigation.  There is no action, suit,
     investigation or proceeding pending or, to the Actual Knowledge
     of the Indenture Trustee, threatened against the Indenture
     Trustee, whether in its or his individual capacity or as
     Corporate Indenture Trustee or Individual Indenture Trustee, as
     the case may be, before any Governmental Authority governing
     its banking or trust powers which, individually or in the
     aggregate (so far as the Indenture Trustee now can reasonably
     foresee), is reasonably likely materially and adversely to
     affect the ability of the Indenture Trustee (in either such
     capacity) to perform the Indenture Trustee's obligations under
     this Agreement or any other Operative Document to which the
     Indenture Trustee is a party (in either such capacity).

               9.5  Indenture Trustee's Liens.  (a)  There are no
     Indenture Trustee's Liens attributable to The Bank of New York
     or Clark in its or his individual capacity on the Indenture
     Estate or on any part thereof.

               (b)  There are no Indenture Trustee's Liens on the
     Indenture Estate or any part thereof.

               9.6  No Taxes Payable.  Except for Taxes based upon
     the income of any Person, there are no Taxes payable in the
     state in which the principal place of business of the Indenture
     Trustee is located in connection with the execution, delivery,
     consummation or recordation of this Agreement and the other
     Operative Documents, upon or with respect to the Trust Estate
     or the Indenture Estate, or in connection with the consummation
     of the transactions contemplated hereby and by the other
     Operative Documents (including, without limitation, the filing
     of financing statements with respect thereto or the sale or
     transfer of the Undivided Interest).

     SECTION 10.    LESSEE COVENANTS.

               The Lessee covenants and agrees that:

               10.1  Officer's Certificate.  The Lessee will deliver
     to the Owner Participant, the Grantor Trustee and the Indenture
     Trustee on or before May 1 of each year during the Lease Term
     commencing in 1997, an Officer's Certificate of the Lessee
     signed on behalf of the Lessee by the Chief Financial Officer
     of the Lessee to the effect that the signer has made, or caused
     to be made under his supervision a review of the relevant terms
     of the Lease and the other Operative Documents to which the
     Lessee is a party and the signer does not have knowledge of the
     existence, as of the date of such certificate, of any condition
     or event which constitutes a Lease Default, Lease Event of
     Default, an Event of Loss or an event described in clause (c)
     of the definition of Event of Loss, or if any such condition or
     event exists, specifying the nature thereof, the period of
     existence thereof and what action the Lessee has taken or
     proposes to take with respect thereto.  Such Officer's
     Certificate shall be accompanied by a summary of any material
     items during the preceding year in the use, operation or
     maintenance of the Production System not otherwise reported in
     the Lessee's Form 10-K for such year or any other reports filed
     with the SEC.

               10.2  Financial Statements and Other Requested
     Information.  

                        (i)   SEC Reports.  The Lessee shall provide to the
                    Owner Participant, the Grantor Trustee and the Indenture
                    Trustee (x) within 30 days after the same is required to
                    be filed with the SEC or any successor agency, a copy of
                    each annual report and any amendment to an annual report
                    filed with the SEC or any successor agency pursuant to
                    Section 13 or 15(d) of the Securities Exchange Act of 1934
                    (currently Form 10-K), as the same may be amended from
                    time to time, (y) within 30 days after the same is
                    required to be filed with the SEC or any successor agency,
                    a copy of each quarterly report and any amendment to any
                    quarterly report filed with the SEC or any successor
                    agency pursuant to Section 13 or 15(d) of the Securities
                    Exchange Act of 1934 (currently Form 10-Q), as the same
                    may be amended from time to time, and (z) promptly after
                    the same become available, but in any event within 30 days
                    following the date the same are required to be filed with
                    the SEC, all other reports, notices, proxy statements or
                    other documents that are distributed by the Lessee to its
                    shareholders and all regular and periodic final reports
                    (including, without limitation, reports on Form 8-K) filed
                    by the Lessee with the SEC, which are publicly available,
                    except for reports on SEC Forms 3, 4 or 5 and 11-K.

                       (ii)   Financial Statements.  If at any time the
                    Lessee shall cease to be subject to the reporting
                    requirements of Sections 13 or 15(d) of the Securities
                    Exchange Act of 1934, the Lessee shall furnish the
                    following reports:

                    (a)  As soon as available, but in any event not
               later than 75 days after the end of each of the first
               three quarterly periods of each fiscal year of the Lessee,
               the unaudited consolidated balance sheet of Lessee and its
               consolidated Subsidiaries as at the end of such quarter
               and the related unaudited consolidated statements of
               income and of cash flows of Lessee and its consolidated
               Subsidiaries for the portion of the fiscal year through
               the end of such quarter, and setting forth in each case in
               comparative form figures for the related period in the
               prior fiscal year, all of which shall be certified by the
               Chief Financial Officer of the Lessee, subject to normal
               year-end audit adjustments; and

                    (b)  As soon as available, but in any event
               within 120 days after the end of each fiscal year of the
               Lessee, a copy of the audited and consolidated balance
               sheet of Lessee and its consolidated Subsidiaries as at
               the end of such year and the related audited consolidated
               statements of income and of cash flows for such year, and
               setting forth in each case in comparative form the figures
               for the previous year and such consolidated statements
               shall be accompanied by a balance sheet as of such date,
               and a statement of income and cash flows for such period;

                      (iii)   Other Information.  With reasonable
                    promptness, the Lessee will deliver to the Owner
                    Participant, the Grantor Trustee and the Indenture Trustee
                    such data and information as to the Production System, the
                    Undivided Interest as from time to time may be reasonably
                    available to the Lessee and reasonably requested by any of
                    such parties.

               10.3  Maintenance of Corporate Existence, Etc. 
     Subject to the provisions of Section 10.4, the Lessee shall at
     all times maintain its corporate existence and preserve and
     keep in full force and effect its rights and franchises, the
     loss of which, individually or in the aggregate, would have a
     material adverse effect on the financial condition of the
     Lessee or its ability to comply with its obligations under the
     Operative Documents.

               10.4  Merger, Consolidation, Sale, Etc.  (a) Except
     as may occur in conjunction with the Enserch Transactions, so
     long as any of the Secured Notes remain Outstanding or any
     amounts with respect thereto remain due and owing by the Lessee
     to the Loan Participant under any Operative Document remain
     unpaid and so long as the Lease Term shall not have expired or
     been terminated, the Lessee shall not consolidate with or merge
     with or into any other corporation under circumstances where
     the Lessee is not the surviving corporation, or sell, assign,
     convey, transfer, lease or otherwise dispose of all or
     substantially all of its assets as an entirety to any Person,
     unless:

                        (i)   the successor or transferee corporation (x)
                    is generally paying its debts as they become due and (y)
                    is not subject to bankruptcy, insolvency or similar
                    proceedings;

                       (ii)   the successor or transferee corporation shall
                    be a corporation organized and existing under the laws of
                    the United States of America or any State thereof or the
                    district of Columbia, and shall execute and deliver to the
                    Grantor Trustee, the Owner Participant, the Indenture
                    Trustee and the Loan Participant an agreement (in form and
                    substance reasonably satisfactory to each thereof)
                    containing the assumption by such successor corporation of
                    the due and punctual performance and observance of each
                    covenant and condition of each Operative Document to which
                    the Lessee is a party to be performed, complied with or
                    observed by the Lessee;

                      (iii)   immediately prior to and immediately after
                    giving effect to such transaction, no Lease Default
                    described in Sections 15(a), (b), (c) or (g) of the Lease
                    or Lease Event of Default shall have occurred and be
                    continuing; and

                       (iv)   the Lessee shall have delivered to each of
                    the Grantor Trustee, the Owner Participant and the
                    Indenture Trustee an Officer's Certificate of the Lessee
                    signed on behalf of the Lessee by the Chief Financial
                    Officer of the Lessee, and an opinion of counsel to the
                    Lessee, each stating that such consolidation, merger,
                    conveyance, transfer or lease and the assumption agreement
                    referred to in clause (ii) above comply with this Section
                    10.4 and that all conditions precedent herein provided for
                    relating to such transaction have been satisfied and, in
                    the case of such opinion, that (x) such assumption
                    agreement has been duly authorized, executed and delivered
                    by such successor corporation or transferee and is
                    enforceable against such successor corporation or
                    transferee in accordance with its terms, except as the
                    same may be limited by applicable bankruptcy, insolvency,
                    reorganization, moratorium or similar laws affecting the
                    rights of creditors generally and by general principles of
                    equity and (y) all filings or recordations necessary to
                    protect the interests of the Grantor Trustee, Indenture
                    Trustee and the Owner Participant in and to the Production
                    System have been made.

               (b)  Upon any consolidation or merger, or any
     conveyance, transfer or lease of all or substantially all of
     the assets of the Lessee as an entirety in accordance with this
     Section 10.4, the successor corporation formed by such
     consolidation or into which the Lessee is merged or to which
     such conveyance, transfer or lease is made shall succeed to,
     and be substituted for, and may exercise every right and power
     of, the Lessee under this Agreement and the other Operative
     Documents to which the Lessee is a party with the same effect
     as if such successor corporation had been named as the Lessee
     herein and therein.  No such consolidation, merger, conveyance,
     transfer or lease of all or substantially all of the assets of
     the Lessee as an entirety shall have the effect of releasing
     the Lessee or any successor corporation which shall theretofore
     have become such in the manner prescribed in this Section 10.4
     from its liability hereunder or under any other Operative
     Document.  Nothing contained herein shall permit any lease,
     sublease or other arrangement with respect to the Undivided
     Interest except in compliance with the applicable provisions of
     the Lease.

               (c)  Immediately prior to the consummation of the
     Enserch Transactions, General Counsel to the Lessee shall
     confirm to the Owner Participant paragraph 9 of its opinion
     delivered pursuant to Section 4.8(b).

               (d)  Notwithstanding anything herein to the contrary,
     subject to satisfaction of Section 10.4(c), no consent shall be
     required in connection with the Enserch Transactions.

               10.5  Change in Name or Chief Place of Business.  The
     Lessee shall give notice to the Grantor Trustee, the Owner
     Participant and the Indenture Trustee promptly but in any event
     within 30 days after any change in its name or chief place of
     business or chief executive office.

               10.6  Further Assurances.  The Lessee, at its own
     cost and expense, will cause to be promptly and duly taken,
     executed, acknowledged and delivered all such further acts,
     documents and assurances as the Grantor Trustee, the Owner
     Participant, the Loan Participant or the Indenture Trustee
     reasonably may request from time to time in order to carry out
     more effectively the intent and purposes of this Agreement, the
     other Operative Documents and the transactions contemplated
     hereby and thereby.  The Lessee, at its own cost and expense,
     will cause the Indenture and the Lease, any supplements or
     amendments thereto and restatements thereof and all financing
     statements, fixture filings and other documents, to be recorded
     or filed at such places and times and in such manner, and will
     take all such other actions or cause such actions to be taken,
     as may be necessary or as may be reasonably requested (x) by
     the Grantor Trustee, the Owner Participant or the Indenture
     Trustee in order to establish, preserve and protect the
     interest of the Grantor Trustee in and to the Undivided
     Interest and the Grantor Trustee's rights under this Agreement
     and the other Operative Documents and (y) so long as any
     Secured Notes are Outstanding, by the Indenture Trustee, the
     Loan Participant or the Grantor Trustee in order to establish,
     preserve, protect and perfect the mortgage and security
     interest of the Indenture Trustee in the Indenture Estate
     granted or intended to be created under the Indenture and the
     Ship Mortgage and the Indenture Trustee's rights under this
     Agreement and the other Operative Documents, subject only to
     Permitted Liens.

               10.7  Inspection.  (a)  The Lessee shall permit the
     Indenture Trustee, the Owner Participant and the Grantor
     Trustee (and any authorized representatives thereof), at such
     Person's risk (including, without limitation, as to personal
     injury and death) and, unless there exists a continuing Lease
     Event of Default, expense, including, without limitation, the
     cost and expense for such Person's transportation to and from
     the Production System by helicopter (whether the Lessee's or
     any other Person's helicopter), and under conditions reasonably
     acceptable to the Lessee and subject to Section 11.5 hereof, to
     visit and inspect the Production System, to make copies of and
     extracts from the books and records of the Lessee related
     thereto, and to have access to officers and the independent
     public accountants of the Lessee, all upon reasonable notice
     and at such reasonable times during normal business hours and
     as may be reasonably requested; provided, however, that (A)
     unless there exists a continuing Lease Default described in
     Section 15(d) but only to the extent such Lease Default relates
     to the maintenance of the Production System) or Section 15(g)
     of the Lease or a Lease Event of Default, the Indenture
     Trustee, the Owner Participant and the Grantor Trustee may not
     make more than one (1) such inspection in any calendar year
     without the Lessee's prior written consent, (B) so long as the
     Operating Agreement is in effect, such inspection rights must
     be exercised subject to the provisions of the Operating
     Agreement and under the supervision of the Operator, (C) the
     Lessee shall be liable for any losses caused by the gross
     negligence or willful misconduct of the Lessee in connection
     with any inspection pursuant to this Section 10.7 and (D) the
     Lessee will cooperate with the Grantor Trustee, the Owner
     Participant and the Indenture Trustee to minimize the
     transportation cost associated with an inspection conducted
     pursuant to this Section 10.7.  The Lessee will make available
     for the Indenture Trustee, the Owner Participant and the
     Grantor Trustee (or any authorized representatives thereof) for
     examination during any inspection pursuant to this Section
     10.7, any written reports in its possession relating to the
     use, operation and maintenance of the Production System,
     including reserve reports, subject to the restrictions set
     forth in Section 11.5.

               (b)  No Person entitled to make any inspection or
     inquiry referred to in this Section 10.7 shall have any duty to
     make such inspection or inquiry, or shall incur any liability
     or obligation by reason of not making any such inspection or
     inquiry.

               10.8  Limitation on Acquisition of Secured Notes or
     Pass Through Certificates; Pass Through Trust Agreement.  The
     Lessee will not, and will not permit any of its Affiliates to,
     acquire directly or through a nominee or agent by purchase or
     otherwise any interest in any Secured Notes or any Pass Through
     Certificates) (a) prior to the second anniversary of the
     Closing Date, (b) if the result of such acquisition would be to
     prevent the Owner Participant from accounting for the Lease as
     a leveraged lease in accordance with FASB 13 or (c) if the
     aggregate principal amount of all Secured Notes and Pass
     Through Certificates held directly or indirectly by or for the
     account of the Lessee and its Affiliates immediately after such
     acquisition would exceed 25% of the outstanding principal
     amount of Secured Notes or the Pass Through Certificates,
     respectively or collectively, immediately prior to such
     acquisition.

               10.9  Operating Agreement.  (a)  Unless the Owner
     Participant and the Indenture Trustee shall otherwise consent,
     which consent shall not be unreasonably withheld or delayed,
     the Lessee shall not accept or approve any amendment to the
     Operating Agreement, the effect of which would be to adversely
     affect the interests of the Grantor Trustee, the Indenture
     Trustee or the Owner Participant in the Production System or
     the Undivided Interest or under the Operative Documents.

               (b)  The Lessee may (i) at any time terminate (or
     allow to be terminated) the Operating Agreement and (ii) enter
     into (or allow to be entered into) a new operating agreement
     with respect to the Production System provided:  (1) if such
     new operating agreement is with Enserch Exploration or any of
     its Affiliates as the operator and does not involve any bona
     fide substantive negotiation with additional parties that are
     not Affiliates of either Enserch Exploration or MPTM, the
     provisions of such operating agreement shall not adversely
     affect the interests of the Owner Participant or the Indenture
     Trustee without the prior written consent of the Owner
     Participant and the Indenture Trustee, which consent shall not
     be unreasonably withheld or delayed; or (2) in all other cases,
     the provisions of such operating agreement shall not (A) be
     less favorable in any material respect (including income taxes)
     to the interests of the Owner Participant, the Grantor Trustee
     or the Indenture Trustee than the Operating Agreement in effect
     on the Closing Date, (B) reduce the revenue to which the
     Grantor Trustee would be contractually entitled under the
     provisions of such operating agreement upon the expiration or
     termination of the Lease and the effectiveness of the Agency
     and Support Agreement except to a de minimis extent or (C)
     increase the monetary obligations to which the Grantor Trustee
     would be contractually subject under the provisions of such
     operating agreement upon the expiration or termination of the
     Lease and the effectiveness of the Agency and Support
     Agreement, except to a de minimis extent.  The Lessee shall
     upon such execution furnish to the Owner Participant, the
     Grantor Trustee and the Indenture Trustee a copy of any such
     amendment or modification as executed.

               10.10  Documentation of Platform.  The Lessee shall
     throughout the Lease Term maintain the documentation of the
     Platform in the Republic of Panama (or in any other
     jurisdiction selected by the Lessee provided such other
     jurisdiction provides substantially equivalent protection for
     the rights of owner participants, lessors, lenders for similar
     transactions as the law of the Republic of Panama), and shall
     not do or suffer or permit to be done anything which would
     prevent the maintenance of the documentation of the Platform
     under the laws and the flag of the Republic of Panama (or such
     other jurisdiction) or which would constitute or result in a
     violation of any applicable law or regulation of the Republic
     of Panama (or such other jurisdiction) non-compliance with
     which could create any material risk of or danger of the sale,
     forfeiture or loss of any material part of or interest in the
     Platform.

               10.11  Notice of Certain Events.  Promptly after the
     Lessee has Actual Knowledge that any Lease Default has occurred
     and has continued for thirty days, or any Lease Event of
     Default, Event of Loss or event described in clause (c) of the
     definition of Event of Loss has occurred, the Lessee shall
     deliver to the Indenture Trustee and the Owner Participant a
     notice of such Lease Default, Lease Event of Default, Event of
     Loss or event described in clause (c) of the definition of
     Event of Loss which with the giving of notice or lapse of time
     would become an Event of Loss describing the same in reasonable
     detail and, together with such notice or as soon thereafter as
     possible, a description of the action that the Owner
     Participant has taken, is taking and proposes to take with
     respect thereto.

               10.12  Environmental Notices.  The Lessee shall,
     promptly after the Lessee's receipt thereof, provide the Owner
     Participant, the Grantor Trustee and the Indenture Trustee with
     copies of all written communications from any Governmental
     Authority (a) asserting any violation of or noncompliance with
     Environmental Laws or any Release, discharge or emission of
     Hazardous Materials into the environment at or from the
     Production System, or (b) relating to any Environmental Claim
     against the Lessee, MPTM, or the Production System that is
     pending or has been threatened in writing, in each case which
     is reasonably likely to materially adversely effect the
     Production System or the Lessee's ability to perform its
     obligations under the Operative Documents.

               10.13  Abandonment of Production System.  The Lessee
     shall use commercially reasonable efforts to exercise its
     rights under the Operating Agreement to prevent the abandonment
     of the Production System prior to January 2, 2001; provided
     that, except for its obligations under Section 12 of the Lease,
     the Lessee shall have no liability for its failure to prevent
     any such abandonment prior to January 2, 2001 if the Lessee has
     used all such commercially reasonable efforts.  The Lessee
     shall have no obligation under this Section 10.13 or otherwise
     to prevent the abandonment of the Production System on or after
     January 2, 2001.

               10.14  Credit Support.  The Lessee shall cause Credit
     Support to be maintained at all times during the period from
     the Closing Date (or any subsequent Reinstatement Date) to the
     applicable Release Date.  Such Credit Support and the related
     Reimbursement Agreement shall meet the following requirements: 
     (1) the original stated term of any Letter of Credit or Surety
     Bond shall not be less than two years and the Letter of Credit
     or Surety Bond shall be irrevocable except upon the occurrence
     of a Release Date, (2) (x) any Letter of Credit or Surety Bond
     shall permit the beneficiary or owner thereof, as applicable,
     to assign its interest therein to a Transferee without the
     consent of the Issuing Bank or the Surety Bond Issuer, as
     applicable, or the Lessee in connection with a transfer made in
     accordance with Section 13 or (y) the Reimbursement Agreement
     pursuant to which such Letter of Credit or Surety Bond is
     issued shall unconditionally require the Issuing Bank or the
     Surety Bond Issuer, as applicable, to issue a Letter of Credit
     or Surety Bond, as applicable, to a Transferee in connection
     with a transfer made in accordance with Section 13, (3) at the
     time of the issuance of any Letter of Credit or Surety Bond,
     such Letter of Credit or Surety Bond shall be accompanied by an
     opinion of counsel in form and substance satisfactory to the
     Owner Participant, (4) the Issuing Bank or Surety Bond Issuer,
     as the case may be, shall expressly waive any rights of
     subrogation in respect thereof and (5) such Letter of Credit or
     Surety Bond shall be drawable or payable, as the case may be,
     upon presentation of a drawing certificate pursuant to which a
     beneficiary of the Letter of Credit or the holder of a Surety
     Bond, as applicable, certifies either (I) a Lease Event of
     Default has occurred and all amounts due to the Lessor and the
     Owner Participant pursuant to the Operative Documents
     (determined without regard to any bankruptcy, insolvency or
     similar law) have not been paid in full or (II) the Letter of
     Credit or Surety Bond then in effect is stated to expire within
     30 days and no new Credit Support has been provided.  The
     obligations of the Lessee under any Reimbursement Agreement
     between the Lessee and the Issuing Bank relating to a Letter of
     Credit or between the Surety Bond Issuer and the Lessee
     relating to a Surety Bond shall be unsecured (except to the
     extent permitted by Section 9.4 of the Initial Reimbursement
     Agreement or any similar provision contained in any other
     Reimbursement Agreement) and any such Reimbursement Agreement
     shall require that the Issuing Bank (or, if applicable, the
     Surety Bond Issuer) pay any draws on the Letter of Credit (or
     if applicable, make payments in respect of the Surety Bond)
     from general funds.

               The Lessee shall give the Owner Participant notice of
     the scheduled termination of each Letter of Credit or Surety
     Bond not more than 90 nor less than 30 days before its
     scheduled termination date.  If the Lessee has not secured a
     commitment for a renewal or replacement of an expiring Letter
     of Credit or Surety Bond not later than 30 days prior to the
     stated expiration date of such expiring Letter of Credit or
     Surety Bond, the Lessee shall notify the Owner Participant of
     such fact.

               10.15.  Fees and Expenses.  Without limiting the
     terms of Section 12.1 hereof, the Lessee shall pay (i) the
     reasonable ongoing fees and expense of the Grantor Trustee
     under the Trust Agreement, (ii) the reasonable ongoing fees and
     expenses of the Indenture Trustee under the Indenture and
     (iii) the reasonable ongoing fees and expenses of the Pass
     Through Trustee under the Pass Through Trust Agreement.

               10.16.  Transfer of Title to Undivided Interest.  The
     Lessee shall not, without the prior written consent of the
     Owner Participant, directly or indirectly transfer title to the
     Undivided Interest or any portion thereof or interest therein,
     except as provided in the Operative Documents.

               10.17.  Agency and Support Agreement.  Lessee shall
     not transfer, assign, sell, pledge, mortgage, hypothecate,
     grant a security interest in, convey all or any portion of its
     right, title or interest in or to the Blocks (as defined in the
     Agency and Support Agreement), including, without limitation,
     any right, title or interest in any Garden Banks Document
     without obtaining from such assignee, transferee, mortgagee,
     secured party or grantee, its written stipulation and agreement
     that the interest in the Blocks (as defined in the Agency and
     Support Agreement) so acquired is specifically subject to and
     bound by the rights and obligations of the parties established
     and set forth in the Agency and Support Agreement.  The parties
     and their successors and assigns to the Agency and Support
     Agreement shall be express third party beneficiaries of any
     stipulation and agreement made in accordance with this Section
     10.17.

               10.18.  Equipment List.  Within 12 months from the
     Closing Date, the Lessee shall provide the Owner Participant,
     the Grantor Trustee and the Indenture Trustee with a complete
     list of the equipment constituting the Production System as of
     the Closing Date.

     SECTION 11.    OTHER COVENANTS AND AGREEMENTS.

               11.1  Agreements of Owner Participant.  The Owner
     Participant covenants and agrees that:

                    (a)  Discharge of Liens.  The Owner Participant
               will not create or permit to exist at any time, and will,
               at its own cost and expense, promptly take such action as
               may be necessary duly to discharge, or to cause to be
               discharged, (i) all Owner Participant's Liens and (ii) all
               Lessor's Liens resulting from any act or failure to act by
               the Grantor Trustee at the express written direction of
               the Owner Participant in violation of the Operative
               Documents on all or any part of the Undivided Interest,
               the Trust Estate, the Indenture Estate, or title thereto
               or any interest therein; provided, however, that the Owner
               Participant shall not be required to remove any such Owner
               Participant's Lien or Lessor's Lien (other than any such
               Lien affirmatively imposed by the Owner Participant) for
               so long as the same is being diligently contested in good
               faith by appropriate proceedings so long as such
               proceedings do not involve any material danger of (1) the
               sale, forfeiture or loss of any part of any the Production
               System, the Trust Estate or the Indenture Estate, or title
               thereto or any interest therein, (2) the interference with
               the use or disposition of any of the foregoing or any part
               thereof, or title thereto or any interest therein, or (3)
               interference with the payment of Rent.  The Owner
               Participant shall indemnify, protect, defend, save and
               keep harmless the Lessee, the Loan Participant, and the
               Indenture Trustee from and against any and all Claims that
               may be imposed on, incurred by or asserted against such
               Person or the Undivided Interest arising out of any such
               Owner Participant's Liens or any Lessor's Liens described
               in clause (ii) of the preceding sentence.

                    (b)  Prepayment.  Unless the Lease shall have
               been declared in default pursuant to Section 16.1 thereof
               or as otherwise contemplated by Section 6.1(g) of the
               Lease, the Owner Participant will not, and will not cause
               or permit the Grantor Trustee to, directly or indirectly
               prepay, redeem, refund, refinance or acquire any Secured
               Note, or give a notice of redemption, with respect
               thereto, without the prior written consent of the Lessee,
               other than in the event of a redemption or purchase of
               Secured Notes by the Grantor Trustee or the Owner
               Participant pursuant to Section 3.06 of the Indenture or
               as provided in Section 15.  This Section 11.1(b) shall not
               be deemed to permit prepayment of Secured Notes except as
               permitted by the Indenture.  If (i) the Lessee shall have
               irrevocably elected (A) to purchase the Undivided Interest
               pursuant to the Lease or (B) to terminate the Lease with
               respect to the Undivided Interest or a Significant Portion
               thereof pursuant to Section 7 of the Lease, and the Lessee
               shall not have elected to assume the Secured Notes
               pursuant to Section 11.6 or to purchase the Beneficial
               Interest pursuant to Section 16, or (ii) an Event of Loss
               with respect to the Production System or a Significant
               Portion thereof shall have occurred, then the Owner
               Participant agrees, upon request of the Lessee specifying
               the relevant information, to instruct the Grantor Trustee
               to give a notice of redemption pursuant to Section 3.10 of
               the Indenture with respect to the Secured Notes to be
               redeemed in connection with such purchase, termination or
               Event of Loss, which notice shall be given in accordance
               with, the terms of the Indenture.

                    (c)  Cooperation with Lessee.  The Owner
               Participant shall, to the extent reasonably so requested
               by the Lessee, cooperate with the Lessee, at the Lessee's
               expense, to enable the Lessee to make the filings and
               recordings listed in Schedule 3, including, without
               limitation, at any time and from time to time, upon the
               request of the Lessee promptly and duly executing and
               delivering, any and all such further instruments and
               documents as the Lessee may reasonably request in order to
               perform such covenants and to make such filings and
               recordings.

                    (d)  Successor Grantor Trustee.  Unless the
               Lease shall have been declared in default pursuant to
               Section 16.1 thereof, the Owner Participant shall not
               appoint or cause or allow to be appointed a successor to
               any Corporate Grantor Trustee under the Trust Agreement
               without obtaining the prior written consent of the Lessee
               and the Indenture Trustee, which consent shall not
               unreasonably be withheld.  The Owner Participant shall (at
               the Lessee's expense) cause any such successor Corporate
               Grantor Trustee, simultaneously with its assumption of
               duties in such capacity, to take all actions as may be
               reasonably requested by the Indenture Trustee, the Loan
               Participants or the Lessee (including, without limitation,
               the filing of financing statements) in order to establish,
               preserve, protect and perfect the title of such successor
               trustee in and to the Undivided Interest and its rights
               under this Agreement and the other Operative Documents
               and, so long as any Secured Notes are Outstanding, the
               mortgage and security interest of the Indenture Trustee in
               the Indenture Estate granted or intended to be created
               under the Indenture and the Ship Mortgage and the
               Indenture Trustee's rights under this Agreement and the
               other Operative Documents, subject only to Permitted
               Liens.

                    (e)  Performance of Obligations.  The Owner
               Participant will perform and comply with all obligations
               imposed on the Owner Participant pursuant to Section
               4.4(c) of the Lease and Section 5.01(h) of the Indenture
               in accordance with the terms and conditions of each
               thereof.  In addition, the Owner Participant agrees to
               pay, or cause the Lessor to pay, all fees and expenses
               that are for the account of the Lessor in connection with
               an Appraisal Procedure.

                    (f)  Instructions to Grantor Trustee.  The Owner
               Participant will not instruct or otherwise direct the
               Grantor Trustee to take, or omit to take, any action in
               violation of the express covenants and agreements of the
               Grantor Trustee in any Operative Document.  The Owner
               Participant will not unreasonably withhold its consent to
               or authorization of any consent requested of the Grantor
               Trustee under the terms of any Operative Document which by
               its express terms is not to be unreasonably withheld by
               the Grantor Trustee.

                    (g)  Termination of Trust Agreement.  The Owner
               Participant will not terminate or revoke, or consent to
               the termination or revocation of, the Trust Agreement
               prior to the release of the Lien of the Indenture on the
               Indenture Estate or, except in connection with the
               exercise of remedies by the Lessor following a declaration
               by the Lessor pursuant to Section 16.1 of the Lease that
               the Lease is in default, prior to the expiration or
               earlier termination of the Lease pursuant to its terms. 
               The Owner Participant will not, prior to the release of
               the Lien of the Indenture on the Indenture Estate, amend
               or modify the Trust Agreement in any manner that would
               materially adversely affect the Indenture Estate or limit
               in any material manner the rights of the Indenture Trustee
               set forth therein.

                    (h)  Election to Retain Undivided Interest.  If
               the Grantor Trustee shall elect to retain the Undivided
               Interest pursuant to Section 7.4 of the Lease, the Owner
               Participant will cause the Grantor Trustee to perform its
               obligations under such Section 7.4 in accordance with the
               terms thereof.

                    (i)  Notice of Indenture Event of Default. 
               Promptly after the Owner Participant has Actual Knowledge
               that any Indenture Event of Default attributable to the
               Owner Participant has occurred and is continuing, the
               Owner Participant shall deliver to the Indenture Trustee
               and the Lessee a notice of such Indenture Event of Default
               describing the same in reasonable detail and, together
               with such notice or as soon thereafter as possible, a
               description of the action that the Owner Participant has
               taken, is taking and proposes to take with respect
               thereto; provided that the Owner Participant shall not
               have any liability nor shall any Person have any rights as
               a result of any failure to provide such notice.

               11.2  Agreements of Laskaris, Trust Company and
     Grantor Trustee.  The Trust Company and Laskaris, each in its
     or his individual capacity, covenant and agree, jointly and
     severally, with respect to Sections 11.2(a)(i) and 11.2(b) and
     the Grantor Trustee covenant and agree with respect to Sections
     11.2(a)(ii), 11.2(c), 11.2(d), 11.2(e), 11.2(f), 11.2(g),
     11.2(h) and 11.2(i) that:

                    (a)  Discharge of Liens.  (i) The Trust Company
               and Laskaris will not create or permit to exist at any
               time, and will, at its or his own cost and expense,
               promptly take such action as may be necessary duly to
               discharge all Lessor's Liens on all or any part of the
               Undivided Interest, the Trust Estate, the Indenture
               Estate, or title thereto or any interest therein
               attributable to itself or Laskaris.  Except for the Owner
               Participant's obligation pursuant to Section 11.1(a)(ii),
               the Trust Company and Laskaris shall indemnify, protect,
               defend, save and keep harmless the Lessee, the Owner
               Participant, the Loan Participant and the Indenture
               Trustee from and against any and all Claims that may be
               imposed on, incurred by or asserted against such Person or
               the Undivided Interest arising out of or secured by any
               such Lien.

                    (ii) The Corporate Grantor Trustee will not
               create or permit to exist at any time, and will, at its
               own cost and expense, promptly take such action as may be
               necessary duly to discharge all Lessor's Liens on all or
               any part of the Undivided Interest, the Trust Estate, the
               Indenture Estate, or title thereto or any interest therein
               attributable to the Corporate Grantor Trustee; provided,
               however, that the Corporate Grantor Trustee shall not be
               required to remove any such Lessor's Lien (other than any
               such Lien affirmatively imposed by the Corporate Grantor
               Trustee) for so long as the same is being diligently
               contested in good faith by appropriate proceedings so long
               as such proceedings do not involve any material danger of
               (1) the sale, forfeiture or loss of any part of any the
               Production System, the Trust Estate or the Indenture
               Estate, or title thereto or any interest therein, (2)
               interference with the use or disposition of any of the
               foregoing or any part thereof, or title thereto or any
               interest therein, or (3) interference with the payment of
               Rent.

                    (b)  Change of Chief Place of Business.  The
               Trust Company shall give notice to the Lessee, the Owner
               Participant and the Indenture Trustee promptly after any
               change in its chief place of business or chief executive
               office, or the office where the records concerning the
               accounts, contract rights or general intangibles relating
               to the transactions contemplated hereby are kept or any
               change in the state of residency of Laskaris.

                    (c)  Cooperation with the Lessee.  The Grantor
               Trustee shall, to the extent reasonably so requested by
               the Lessee, cooperate with the Lessee, at the Lessee's
               expense, to enable the Lessee to make the filings and
               recordings listed in Schedule 3, including, without
               limitation, at any time and from time to time, upon the
               request of the Lessee promptly and duly executing and
               delivering any and all such further instruments, documents
               and financing statements (and continuation statements
               related thereto) as the Lessee may request in order to
               perform such covenants and to make such filings and
               recordings.

                    (d)  Notice of Transfer of Assets.  The Grantor
               Trustee shall not transfer any of the estates, properties,
               rights, powers, duties or trusts of the Grantor Trustee to
               any successor trustee or to any additional or separate
               trustee under the Trust Agreement without giving prior
               written notice of such transfer to the Owner Participant,
               the Lessee, the Loan Participant and the Indenture Trustee
               in accordance with Section 11 of the Trust Agreement.

                    (e)  Certain Transfers; Termination.  Except as
               expressly permitted hereby or by the terms of any other
               Operative Document, unless the Lease shall have been
               declared in default in accordance with Section 16.1
               thereof, the Grantor Trustee will not transfer the
               Undivided Interest to any Person prior to the expiration
               or earlier termination of the Lease pursuant to its terms,
               other than a successor Grantor Trustee appointed in
               accordance with the provisions of Section 11 of the Trust
               Agreement, or terminate the Trust Agreement or distribute
               all or any part of the Trust Estate to any Person.

                    (f)  Grantor Trustee's Activities.  The Grantor
               Trustee will not incur any indebtedness for money
               borrowed, or enter into any other activity, except as
               contemplated by the Operative Documents or as may be
               necessary or advisable to carry out its obligations or
               enforce its rights thereunder.

                    (g)  Notice of Indenture Event of Default. 
               Promptly after the Grantor Trustee has Actual Knowledge
               that any Indenture Event of Default attributable to the
               Grantor Trustee has occurred and is continuing, the
               Grantor Trustee shall deliver to the Lessee a notice of
               such Indenture Event of Default which is not also a Lease
               Event of Default describing the same in reasonable detail
               and, together with such notice or as soon thereafter as
               possible, a description of the action that the Grantor
               Trustee has taken, is taking and proposes to take with
               respect thereto; provided that the Grantor Trustee shall
               not have any liability nor shall any Person have any
               rights as a result of any failure to provide such notice.

               11.3  Agreements of Pass Through Trustee.  The Pass
     Through Trustee covenants and agrees that:

                    (a)  Transfer of Secured Notes.  Any sale,
               transfer or assignment (including, without limitation, a
               transfer pursuant to the exercise of remedies with respect
               to any Secured Note) by the Pass Through Trustee of any
               Secured Note or of all or any part of its interest
               hereunder or under the Indenture shall be on the express
               condition that the purchaser, transferee or assignee, as
               the case may be, shall agree to be bound by the terms and
               provisions applicable to the Pass Through Trustee
               contained in this Agreement, the Secured Notes and the
               Indenture.  The acceptance by any Person of any Secured
               Note shall constitute such Person's agreement to be bound
               by the terms and provisions of this Agreement and the
               Indenture.  The Pass Through Trustee will not make any
               such sale, transfer or assignment to any Person unless
               such Person delivers to the Lessee, the Grantor Trustee,
               the Indenture Trustee and the Owner Participant (i) a
               written representation and warranty by such Person and an
               opinion of counsel reasonably satisfactory to the Lessee,
               the Grantor Trustee and the Owner Participant to the
               effect that such sale, transfer or assignment to and the
               holding of any such interest by, such Person (1) will not
               result in a "prohibited transaction" as defined in Section
               406 of ERISA or Section 4975 of the Code, or (2) are
               covered by an exemption contained in ERISA or an
               administrative exemption adopted thereunder and (ii) a
               written undertaking by such Person that is substantially
               identical to the covenant made by the Pass Through Trustee
               in this Section 11.3(a) (including this clause (ii)).

                    (b)  Instructions to Indenture Trustee.  The
               Pass Through Trustee will not instruct or otherwise direct
               the Indenture Trustee to take, or omit to take, any action
               in violation of the express covenants and agreements of
               the Indenture Trustee in any Operative Document.

               11.4  Agreements of Indenture Trustee.  The Bank of
     New York and Clark, each in its or his individual capacity, to
     the extent set forth herein, and as Indenture Trustee covenant
     and agree, jointly and severally, as follows:

                    (a)  Discharge of Liens.  The Bank of New York
               and Clark, each in its or his individual capacity,
               covenant and agree, jointly and severally, that it and he
               will not create or permit to exist at any time, and will,
               at its own cost and expense, promptly take such action as
               may be necessary to discharge, all of Indenture Trustee's
               Liens on all or any part of the Undivided Interest, the
               Trust Estate or the Indenture Estate, or title thereto or
               any interest therein.  The Bank of New York and Clark,
               each in its or his individual capacity, covenant and
               agree, jointly and severally, that it and he shall
               indemnify, protect, defend, save and keep harmless the
               Lessee, the Owner Participant, each Loan Participant and
               the Grantor Trustee from and against any and all Claims
               imposed on, incurred by or asserted against such Person
               arising out of any Indenture Trustee's Lien.

                    (b)  Cooperation with the Lessee.  The Indenture
               Trustee shall, to the extent reasonably requested by the
               Lessee, cooperate with the Lessee, at the Lessee's
               expense, to enable the Lessee to perform the Lessee
               covenants contained in Section 10.6 and to make the
               filings and recordings listed in Schedule 3, including,
               without limitation, at any time and from time to time,
               upon request of the Lessee promptly and duly executing and
               delivering any and all such further instruments, documents
               and financing statements (and continuation statements
               related thereto) as the Lessee may request in order to
               perform such covenants and to make such filings and
               recordings.

                    (c)  Original Lease.  Except to the extent
               otherwise required by the Indenture, The Bank of New York
               agrees, in its individual capacity, that it will maintain
               possession of the original executed counterpart of the
               Lease in order to preserve the perfection of the Lien of
               the Indenture thereon.

                    (d)  Performance of Obligations.  The Indenture
               Trustee will perform and comply with the provisions of the
               Indenture which, upon satisfaction of any applicable
               conditions set forth therein, require payment or the
               tendering of performance to the Lessee.

               11.5  Confidentiality.  Each of the parties hereto
     agrees that all matters relating to this Agreement, the other
     Operative Documents, the Federal Leases, the Pass Through Trust
     Agreement, the Placement Agreement, the Operating Agreement and
     the Unit Agreement and the transactions contemplated hereby
     shall be kept strictly confidential, including, without
     limitation, the substance of its commercial terms, and any
     disclosure of such matters shall be made only with the prior
     written consent of the other parties hereto.  The obligations
     set forth in this Section shall survive any termination or
     rescission of this Agreement, the Operative Documents, the
     Federal Leases, the Pass Through Trust Agreement, the Operating
     Agreement and the Unit Agreement, as the case may be.  Nothing
     in this Section shall prevent, or require the consent of any
     party to, any disclosure:

                    (a)  required by any court of competent
               jurisdiction;

                    (b)  as may be required by any Governmental Rule
               or Governmental Authority;

                    (c)  by either party to its legal and other
               professional advisers, or in the course of or for the
               purpose of any arbitration or court proceedings;

                    (d)  of information which has otherwise become
               public information through no breach of this Section 11.5
               by the disclosing party; or

                    (e)  to a prospective assignee of such party's
               interest that has executed a confidentiality agreement
               containing the terms set forth in this Section 11.5

               11.6  Assumption of Secured Notes.  Each of the Owner
     Participant, the Grantor Trustee, each Loan Participant and the
     Indenture Trustee agrees that if, pursuant to Section 6.1(c),
     (d), (e), (f) or (g) of the Lease, the Lessee elects to
     purchase the Undivided Interest, (i) the Lessee may elect (and
     in the case of an election pursuant to Section 6.1(g) of the
     Lease, shall elect) to assume the obligations of the Grantor
     Trustee under the Secured Notes and under the Indenture by
     giving notice of such election at least 30 days prior to the
     applicable purchase date in accordance with and with the effect
     provided in Section 3.04 of the Indenture.  In the event that
     the Relevant Amendment becomes effective, this Agreement, the
     other Operative Documents and the Pass Through Trust Agreement
     shall be deemed amended as provided in the Relevant Amendment
     and (ii) upon such assumption the Grantor Trustee shall be
     released from all of its obligations under the Operative
     Documents except as may be expressly provided in the Relevant
     Amendment.

     SECTION 12.    INDEMNIFICATION.

               12.1  General Indemnification.

                    (a)  Indemnification.  The Lessee agrees whether
               or not any of the transactions contemplated hereby are
               consummated, to assume liability for, and to indemnify,
               protect, save and keep harmless each Indemnitee, on an
               After-Tax Basis, from and against any and all Claims that
               may be imposed on, incurred by or asserted against any
               Indemnitee (whether because of an action or omission by
               such Indemnitee or otherwise and whether or not such
               Indemnitee shall also be indemnified as to any such Claim
               by any other Person), in any way relating to or arising
               out of (i) the Production System or the Undivided Interest
               or any part thereof, (ii) the Operative Documents, the
               Pass Through Trust Agreement, the Reimbursement Agreement,
               any Credit Support, the Operating Agreement, the Federal
               Leases, the Unit Agreement, any other Garden Banks
               Document or the transactions contemplated thereby or the
               issuance or refinancing of the Secured Notes or the Pass
               Through Certificates (including Claims arising under the
               Securities Act with respect to any offering of any Secured
               Notes or Pass Through Certificates or any other securities
               issued in connection therewith) or the making of any
               investment (including the Investment) in the Production
               System, payments made pursuant to any thereof or the
               enforcement by any Indemnitee of any of its rights under
               the Operative Documents, or any other transaction
               contemplated by the Operative Documents, including the
               giving or withholding by such Indemnitee of any future
               amendments, supplements, waivers or consents with respect
               thereto (whether or not entered into), (iii) the
               manufacture, financing, refinancing, design, construction,
               inspection, purchase, ownership, acquisition, acceptance,
               rejection, delivery, nondelivery, possession,
               transportation, lease, sublease, mortgaging, granting of a
               security interest in, preparation, installation,
               condition, transfer of title, rental, use, operation,
               storage, maintenance, modification, alteration, repair,
               assembly, sale, return, registration, abandonment or other
               application or disposition of all or any part of the
               Production System or the Undivided Interest or any
               interest therein, including, without limitation, (A)
               Claims or penalties arising from any violation of law or
               liability in tort (strict or otherwise), (B) loss of or
               damage to any property or the environment (including,
               without limitation, all Claims associated with
               remediation, response, removal, corrective action,
               clean-up, Remedial Action, treatment, compliance,
               restoration, abatement, encapsulation, containment,
               revegetation, monitoring, sampling, investigation,
               assessment, financial assurance, natural resource damages,
               the protection of wildlife, aquatic resources and
               organisms and vegetation, the interference with or
               contamination of any wetland or body of water (whether
               surface or subsurface) or aquifer, and any relevant
               mitigative action under any Environmental Law and any
               Claims resulting from or relating to the existence or
               presence of any Hazardous Material, oil, petroleum or
               natural gas, at, in, or under the Production System, any
               parts thereof, or the undivided interests therein, or the
               Release, emission or discharge of any Hazardous Material,
               oil, petroleum or natural gas into the environment
               (including air, water vapor, surface water, ground water,
               and land (whether surface or subsurface)) or death or
               injury to any Person, (C) latent or other defects, whether
               or not discoverable, and (D) any claim for patent,
               trademark or copyright infringement, (iv) any breach of or
               failure to perform or observe, or any other breach of or
               failure to perform or observe, or any other non-compliance
               with, any covenant, condition or agreement or other
               obligation to be performed by the Lessee under any
               Operative Document, the Federal Leases, the Operating
               Agreement, the Pass Through Trust Agreement, the
               Reimbursement Agreement or the Unit Agreement or any other
               Garden Banks Document, or the falsity of any
               representation or warranty of the Lessee in any of the
               Operative Documents, any Pass Through Trust Agreement, the
               Reimbursement Agreement or in any certificate delivered by
               the Lessee, (v) the imposition of any Lien on the
               Production System or the Undivided Interest, (vi) any
               violation of any Governmental Rule with respect to the
               Lessee, the Production System or the Undivided Interest,
               (vii) any violation of ERISA or Section 4975 of the Code
               other than occasioned by a breach by the Owner Participant
               of its representation in Section 6.7; provided that Claims
               for indemnification under this clause (vii) shall not be
               subject to any of the exclusions set forth in the
               following proviso to this Section 12.1(a) or (viii) the
               failure to provide Credit Support; provided, however,
               except as expressly set forth in clause (vii) above, that
               the Lessee shall not be required to indemnify any
               Indemnitee under this Section 12.1 for (1) any Claim in
               respect of the Production System to the extent
               attributable to acts, events, circumstances or conditions
               which arise, occur or exist after (1) (i) the return of
               the Undivided Interest (other than a return under
               conditions not in accordance with the Operative Documents
               or a return in connection with a Lease Event of Default)
               or (ii) the purchase of the Lessor's right, title and
               interest in and to the Undivided Interest and payment in
               full of the applicable purchase price provided for under
               the Operative Documents and payment of all other amounts
               due under the Operative Documents (except to the extent
               that such Claim arises in respect of or relating to any
               period prior to or simultaneously with the occurrence of
               the events described in (i) or (ii); (2) any Claim to the
               extent resulting from the willful misconduct or gross
               negligence of such Indemnitee (unless (i) such willful
               misconduct or gross negligence is caused by any Lessee
               Person or (ii) such willful misconduct or gross negligence
               is imputed to such Indemnitee by reason of its interest in
               the Undivided Interest), (3) any Transaction Expense
               (other than any Transaction Expense that the Lessee is
               obligated to pay pursuant to Section 2.9), (4) (A) in the
               case of the Grantor Trustee and Claims related to the
               Indenture, any other expense or Claim to the extent
               expressly provided under the Indenture to be paid or borne
               by the Grantor Trustee at its own expense and for which
               the Grantor Trustee is expressly not entitled to indemnity
               or reimbursement and (B) in the case of any other
               Indemnitee and Claim, any other expense or Claim to the
               extent expressly provided under any of the Operative
               Documents to be paid or borne by such Indemnitee at its
               own expense or for which such Indemnitee is expressly not
               entitled to indemnity or reimbursement, (5) any Claim to
               the extent resulting from the offer, sale, disposition or
               transfer by such Indemnitee of all or part of its interest
               in the Undivided Interest, the Secured Notes, the Pass
               Through Certificates or the Trust Estate, other than any
               such transfer or disposition (i) made while a Lease Event
               of Default is continuing, (ii) in connection with an Event
               of Loss or any replacement, removal, substitution,
               destruction, damage, theft, governmental taking,
               confiscation, seizure, requisition of or to the Undivided
               Interest or any part or portion thereof, (iii) pursuant to
               Section 6 or 7 of the Lease or Section 16 of this
               Agreement, (iv) to a successor Grantor Trustee, (v) made
               to the Lessee or at the written request of the Lessee or
               (vi) otherwise expressly required by the Operative
               Documents, and in any case this exclusion (5) shall apply
               only to the extent such Claim is in excess of the total
               Claims that would have been indemnifiable but for such
               offer, sale, disposition or transfer, (6) any Claim to the
               extent resulting from a breach by such Indemnitee of any
               of its representations, warranties or covenants in the
               Pass Through Trust Agreement or in any of the Operative
               Documents or in any Officer's Certificate delivered
               pursuant thereto or to the extent resulting from a
               violation of law by such Indemnitee (other than any
               violation caused by any Lessee Person or imputed to an
               Indemnitee solely by reason of its interest in the
               Undivided Interest), unless such violation of law or
               breach is the result of the failure of any other party to
               comply with its obligations under any Operative Document
               to which it is a party (other than, in the case of the
               Owner Participant, such a failure by the Grantor Trustee
               as a result of the written direction or instruction of the
               Owner Participant in violation of the Operative Documents
               and, in the case of any Loan Participant, such a failure
               by the Indenture Trustee as a result of the direction or
               instruction of (or a vote or consent in favor of such
               direction or instruction by) such Loan Participant), (7)
               any Claim to the extent relating to Taxes (other than
               Taxes required to be paid to indemnify such Indemnitee
               under this Section 12.1 on an After-Tax Basis) whether or
               not the Lessee is obligated to indemnify for such Taxes
               under Section 12.2 or the Tax Indemnity Agreement,
               (8) [Intentionally Omitted], (9) any Claim to the extent
               attributable to the authorization or giving or withholding
               by such Indemnitee of any future amendments, supplements,
               waivers or consents (whether or not entered into) with
               respect to any Operative Document or the Pass Through
               Trust Agreement, other than such as have been requested by
               the Lessee, or such that occur while a Lease Event of
               Default has occurred and is continuing, or such as are
               expressly required by any Operative Document or the Pass
               Through Trust Agreement or such as are required to comply
               with any Governmental Rule, (10) any Claim resulting from
               any Indenture Event of Default except to the extent caused
               by a Lease Default or Lease Event of Default, (11) with
               respect to the Grantor Trustee, the Trust Company,
               Laskaris and the Owner Participant, any Claim resulting
               from the indemnity given by the Owner Participant pursuant
               to Section 6.3 of the Trust Agreement or any
               indemnification pursuant thereto, except to the extent
               that the Indemnitee under such Section 6.3 would be
               otherwise entitled to indemnification from the Lessee
               under this Section 12.1, (12) any Claim of the Pass
               Through Trustee to the extent that it is indemnified by
               the Lessee pursuant to the Pass Through Trust Agreement,
               (13) in the case of any Indemnitee other than the Owner
               Participant, the failure on the part of the Indenture
               Trustee, the Grantor Trustee or the Pass Through Trustee,
               as the case may be, to distribute in accordance with the
               Indenture, or the Trust Agreement, or the Pass Through
               Trust Agreement, as the case may be, any amounts received
               and distributable by it thereunder, (14) in the case of
               the Owner Participant, failure on the part of the Grantor
               Trustee to distribute in accordance with the Trust
               Agreement any amounts received and distributable by it
               thereunder, and (15) any Claim to the extent resulting
               from the imposition of any Lien which such Indemnitee is
               required to lift and discharge pursuant to any Operative
               Document (including for purposes of this clause (15) any
               Lien which such Indemnitee would be required to lift and
               discharge but for the proviso set forth in Section 11.1(a)
               or 11.2(a)(ii)).  The obligation to provide indemnities in
               accordance with the terms of this Section 12.1 shall
               survive the termination of the Lease.

                    (b)  Notices.  If the Lessee shall obtain
               knowledge of any action, suit, proceeding or written
               notice of any Claim indemnified against under this Section
               12.1, the Lessee shall give prompt notice thereof to the
               appropriate Indemnitee or Indemnitees, as the case may be,
               and if any Indemnitee shall obtain any such knowledge,
               such Indemnitee shall give prompt notice thereof to the
               Lessee provided that the failure of such Indemnitee to so
               notify the Lessee shall not affect the Lessee's
               indemnification obligations under this Section 12.1 to
               such Indemnitee except to the extent of any increase in
               the amount of such Claim resulting from such failure or to
               the extent the Lessee is effectively precluded from
               contesting such Claim as a result of such failure.

                    (c)  Contests.  Subject to the rights of
               insurers under policies of insurance maintained pursuant
               to Section 13 of the Lease, the Lessee shall have the
               right, at its sole cost and expense, to investigate, and
               the right in its sole discretion to defend or contest by
               appropriate proceedings or compromise, any Claim for which
               indemnification is sought under this Section 12.1, and the
               Indemnitee shall cooperate, at the Lessee's expense, with
               all reasonable requests of the Lessee in connection
               therewith, provided that the Lessee shall not have the
               right without the consent of the Indemnitee to defend,
               contest or compromise any claim with respect to such
               Indemnitee (i) if a Lease Event of Default shall have
               occurred and be continuing, (ii) if such proceeding
               involves any material danger of the sale, forfeiture or
               loss of the Undivided Interest, or (iii) if such Claim
               involves a realistic possibility of criminal sanctions or
               criminal liability to such Indemnitee, in which event the
               Indemnitee shall be entitled to control and assume
               responsibility for the defense of such Claim at the
               expense of the Lessee.  The Lessee will not be required to
               acknowledge liability as a condition to exercising its
               contest rights hereunder unless the Lessee assumes control
               of such contest.  With respect to any Claim, liability for
               which the Lessee shall have acknowledged to the relevant
               Indemnitee in writing, in the event that in the course of
               the investigation or defense of such Claim, the Lessee
               shall in good faith reasonably determine that it is not
               liable for indemnification with respect thereto, it may
               give notice to the applicable Indemnitee of such fact;
               and, in such case, any acknowledgment therefore made by
               the Lessee of its liability with respect to such Claim
               shall be deemed revoked, and the Lessee may thereupon
               cease to defend such Claim, provided that (i) it shall
               have given the Indemnitee reasonable prior notice of its
               intention to renounce such acknowledgment, (ii) the
               Lessee's conduct regarding the defense of such Claim or
               any decision to withdraw from such defense shall not
               materially prejudice or have materially prejudiced the
               Indemnitee's ability to contest such Claim (taking into
               account, among other things, the time of the Lessee's
               withdrawal and the theory or theories upon which the
               Lessee shall have based its defense), and (iii) the Lessee
               shall have given such Indemnitee all materials, documents
               and records relating to its defense of such Claim as such
               Indemnitee shall have reasonably requested in connection
               with the assumption by such Indemnitee of the defense of
               such Claim at the cost and expense of such Indemnitee
               unless it is determined that the Lessee is required to
               indemnify such Indemnitee for such Claim, in which case at
               the cost and expense of the Lessee.  In the event that the
               Lessee shall cease to defend any Claim pursuant to the
               preceding sentence, the Lessee shall indemnify each
               Indemnitee to the extent that the actions of the Lessee in
               defending such Claim or the manner or time of the Lessee's
               election to withdraw from the defense of such Claim shall
               have caused such Indemnitee to incur any loss, cost,
               liability or expense which such Indemnitee might not have
               incurred had the Lessee not ceased to defend such Claim in
               such manner or such time; provided, however, that the
               Lessee shall not be required to indemnify such Indemnitee
               to the extent that the Lessee shall have proven (in a
               judicial proceeding or otherwise) that neither its manner
               of defending such Claim nor the manner of time of its
               withdrawal from the defense of such Claim caused such
               loss, cost, liability or expense.  The Lessee will provide
               the Indemnitee with such information not within the
               control of such Indemnitee, as is in the Lessee's control
               or is reasonably available to the Lessee, which such
               Indemnitee may reasonably request and shall otherwise
               cooperate with such Indemnitee so as to enable such
               Indemnitee to investigate or defend any Claim.  The Lessee
               shall keep the Indemnitee which is the subject of such
               proceeding fully apprised of the status of such proceeding
               and shall provide such Indemnitee with all information
               with respect to such proceeding as such Indemnitee shall
               reasonably request.  In the event an Indemnitee has
               assumed control of any such proceeding, it shall keep the
               Lessee fully apprised of the status of such proceeding and
               shall provide the Lessee with all information, including
               the receipt of all settlement offers, with respect to such
               proceeding as such Indemnitee shall reasonably request. 
               Where the Lessee or the insurers under a policy of
               insurance maintained by the Lessee undertake the defense
               of an Indemnitee with respect to a Claim, no additional
               legal fees or expenses of such Indemnitee in connection
               with the defense of such claim shall be indemnified
               hereunder unless such fees or expenses were incurred at
               the request of the Lessee or such insurers; provided that,
               if (i) in the written opinion of counsel to such
               Indemnitee an actual or potential material conflict of
               interest exists where it is advisable for such Indemnitee
               to be represented by separate counsel or (ii) such
               Indemnitee has been indicted or otherwise charged in a
               criminal complaint in connection with a Claim not excluded
               by Section 12.1(a) and such Indemnitee informs the Lessee
               that such Indemnitee desires to be represented by separate
               counsel, the reasonable fees and expenses of such separate
               counsel shall be borne by the Lessee.  Subject to the
               requirements of any policy of insurance, an Indemnitee may
               participate at its own expense in any judicial proceeding
               controlled by the Lessee pursuant to the preceding
               provisions and such participation shall not constitute a
               waiver of the right to receive the indemnification
               provided in this Section 12.1.  Notwithstanding anything
               to the contrary contained herein, except as otherwise
               provided in the following sentence, during the continuance
               of a Lease Event of Default, the Lessee shall not
               compromise any Claim without the consent of the applicable
               Indemnitee unless such Claim is simultaneously discharged,
               such consent not to be unreasonably withheld. 
               Notwithstanding anything to the contrary contained in this
               Section 12.1, to the extent the defense or settlement of
               any Claim in respect of which an Indemnitee is entitled to
               indemnification hereunder is governed by the terms of the
               Operating Agreement, such defense or settlement shall be
               governed by the Operating Agreement; provided, that the
               defense or settlement of such Claim in accordance with the
               Operating Agreement shall not limit the Lessee's
               obligations to indemnify such Claim pursuant to this
               Section 12.1.

                    (d)  Subrogation.  Upon payment in full of any
               Claim by the Lessee pursuant to this Section 12.1 to or on
               behalf of an Indemnitee, the Lessee, without any further
               action, shall be subrogated to any and all claims that
               such Indemnitee may have in respect of the matters against
               which such indemnity was given (other than claims under
               any insurance policies maintained by such Indemnitee). 
               Such Indemnitee agrees to cooperate with the Lessee and to
               execute such further instruments to permit the Lessee, at
               the Lessee's expense, to pursue such claims, to the extent
               reasonably requested by the Lessee.

                    (e)  Refunds.  Upon receipt by any Indemnitee of
               a repayment or reimbursement of all or any part of any
               Claim for which the Lessee shall have paid for any
               Indemnitee or for which the Lessee shall have reimbursed
               any Indemnitee pursuant to this Section 12.1, such
               Indemnitee shall pay to the Lessee, as promptly as
               practicable after the receipt thereof, the amount of such
               repayment or reimbursement plus any interest received by
               such Indemnitee on such amount plus the amount of any tax
               savings realized by such Indemnitee as a result of such
               payment made to the Lessee, but not in excess of the
               amount of all prior payments made by the Lessee pursuant
               to this Section 12.1 with respect to such Claim less the
               amount of all prior refunds paid by such Indemnitee with
               respect to such Claim pursuant to this subsection (e).

                    (f)  Payments; Verification.  Any amount payable
               to any Indemnitee pursuant to this Section 12.1 shall be
               paid to such Indemnitee promptly upon receipt of a written
               demand therefor from such Indemnitee, accompanied by a
               written statement describing the basis for such indemnity
               and the computation of the amount so payable and, if
               requested by the Lessee, such determination shall be
               verified by a nationally recognized independent accounting
               firm mutually acceptable to the Lessee and the Indemnitee
               at the Lessee's expense, unless such accounting firm
               determines that the amount payable by the Lessee is less
               than 95 percent (95%) of the amount shown on such written
               statement, in which case such verification shall be at
               such Indemnitee's expense.

               12.2  General Tax Indemnification.  (a) (1) Payment
     of Taxes.  The Lessee agrees that each payment of Rent pursuant
     to the Lease shall be free of all withholding with respect to
     Taxes of any nature whatsoever, and in the event that the
     Lessee shall be required by applicable law to make any such
     withholding for any such payment, (x) Basic Rent payable shall
     be increased so that after making all required withholdings the
     Tax Indemnitee receives an amount equal to the Rent it would
     have received had such withholdings not been made, (y) the
     Lessee shall make such withholdings and (z) the Lessee shall
     pay the full amount withheld to the relevant taxing authority
     in accordance with applicable law.  If for any reason, the
     Lessee is required to make any payment to a taxing authority or
     to any Tax Indemnitee as a result of the application of the
     preceding sentence or otherwise that relates to or is a result
     of any Tax imposed on or with respect to any Tax Indemnitee
     which Tax (in whole or in part) is an Excluded Tax under the
     terms of Section 12.2(b), then the Tax Indemnitee in respect of
     whom such Tax is an Excluded Tax hereunder shall, within 30
     days after receipt of notice of payment of the Tax and
     appropriate payment documentation with respect thereto, pay to
     the Lessee an amount which equals the amount paid by the Lessee
     with respect to or as a result of such Excluded Tax (including
     any expenses or other charges borne by the Lessee) increased by
     (but subject to the proviso in Section 12.2(f)) the amount of
     tax savings to such Tax Indemnitee attributable to the making
     of such payment to the Lessee.  Each Tax Indemnitee also agrees
     (subject to the proviso in Section 12.2(f)) to reimburse the
     Lessee for any amounts withheld for which such Tax Indemnitee
     obtains a credit or refund, within 30 days after receipt of
     such credit or refund.

               (2)  Indemnity.  Except as provided in Section
     12.2(b), the Lessee agrees to pay, and to indemnify, protect,
     defend, save and keep harmless each Tax Indemnitee, on an
     After-Tax Basis, whether or not any or all of the transactions
     contemplated hereby are consummated in whole or in part, from
     and against any and all taxes, impositions, fees, levies,
     assessments, duties, withholdings, governmental claims or other
     charges of any nature whatsoever (together with any related
     interest, fines, penalties or additions to tax), including,
     without limitation, rental, income, withholding, sales, use,
     transfer, leasing, personal property, excise, receipts,
     franchise, value-added, stamp, filing, recording, documentation
     or license taxes, however imposed or asserted, by any United
     States federal, state or local government or taxing authority
     (including any possession or territory thereof) or any foreign
     government or taxing authority or subdivision thereof, or any
     international taxing authority or any subdivision or taxing
     authority of any thereof (all the foregoing being herein
     collectively called "Taxes" or, separately, a "Tax"), upon or
     with respect to (i) the Undivided Interest or any portion
     thereof or interest therein, (ii) the acquisition, purchase,
     sale, financing, leasing, subleasing, sub-subleasing and sub-sub-
     subleasing, ownership, maintenance, repair, redelivery,
     alteration, insuring, control, use, operation, manufacture,
     assembly, delivery, possession, repossession, location,
     storage, importation, exportation, refinancing, refunding,
     transfer of title, registration, reregistration, transfer of
     registration, return or other disposition thereof of all or any
     part of the Undivided Interest or any portion thereof or
     interest therein, (iii) the rental payments (including, without
     limitation, all Basic Rent and Supplemental Rent), receipts or
     earnings arising from the Undivided Interest or any portion
     thereof or interest therein, or payable pursuant to the Lease,
     or any other payment or right to receive payment pursuant to
     the Operative Documents or the Pass Through Trust Agreement or
     Pass Through Certificates (including, without limitation, any
     payment of principal, interest, discount or premium on or with
     respect to the Secured Notes), (iv) any Modification or
     replacement, removal, substitution or repair of a Component or
     Replacement Component, (v) the Operating Agreement or the
     Operative Documents and any other documents contemplated hereby
     or thereby and amendments and supplements thereto, or the
     issuance, refunding, refinancing or resetting of the Secured
     Notes or the Pass Through Certificates or any other document
     executed and delivered in connection with the consummation of
     the transactions contemplated by the Operative Documents or the
     Pass Through Trust Agreement or the interest of any Tax
     Indemnitee in any of the foregoing, or the execution,
     amendment, issuance or delivery of any of the foregoing, (vi)
     the Indenture Estate or Trust Estate or Pass Through Trusts or
     the property, or the income or other proceeds received with
     respect to the property, held by the Indenture Trustee under
     the Indenture or the Grantor Trustee under the Trust Agreement,
     or (vii) otherwise arising out of, with respect to, or in
     connection with the transactions contemplated by the Operating
     Agreement or the Operative Documents, the Pass Through
     Certificates, or the Pass Through Trust Agreement.
     
          (b)  Exclusions from General Tax Indemnity.  Each of
     the following shall constitute an Excluded Tax for purposes of
     Section 12.2(a)(1), and the provisions of Section 12.2(a)(2)
     shall not apply to, and the Lessee shall have no liability to a
     Tax Indemnitee under Section 12.2(a)(2) with respect to:

                    (1) Taxes on a Tax Indemnitee (other than such
                    Taxes that are sales, use, rental, property, stamp,
                    document filing, license, or ad valorem Taxes, or
                    value added Taxes that are in the nature of or in
                    lieu of such Taxes) imposed on a Tax Indemnitee that
                    are franchise Taxes, privilege Taxes, doing business
                    Taxes, capital gains Taxes, excess profits Taxes,
                    minimum and/or alternative minimum Taxes, accumulated
                    earnings Taxes, personal holding company Taxes,
                    succession Taxes, estate Taxes, value added Taxes
                    (imposed in lieu of net income Taxes) or Taxes
                    imposed on, based on or measured by, gross or net
                    income, receipts, capital, or net worth of such Tax
                    Indemnitee (including, without limitation, any such
                    Taxes collected by withholding) which are imposed by
                    any state, local, or other taxing authority within
                    the United States or by any foreign or international
                    taxing authority that would not have been imposed but
                    for such Tax Indemnitee having a place of business,
                    being incorporated or organized or being otherwise
                    subject to such Tax, in each case, as a result of
                    transactions or activities unrelated to the
                    transactions contemplated by the Operative Documents,
                    the Operating Agreement or the Pass Through Trust
                    Agreement;

                    (2) Taxes on a Tax Indemnitee, including,
                    without limitation, sales and transfer Taxes, that
                    result from any voluntary or involuntary transfer by
                    such Tax Indemnitee of any interest in the Undivided
                    Interest, the Trust Estate, the Lease or any portion
                    of any of the foregoing, or any interest arising out
                    of the Operative Documents or any Pass Through Trust
                    Agreement or the Secured Notes or Pass Through
                    Certificates; provided, however, that this Section
                    12.2(b)(2) shall not apply to any transfer that (A)
                    with respect to the Owner Participant, and its
                    respective Affiliates, officers, directors, agents,
                    and employees, occurs after a Lease Event of Default
                    has occurred and is continuing, or, in the case of
                    any other Tax Indemnitee, relates to the exercise of
                    remedies in connection with a Lease Event of Default;
                    (B) results from an Event of Loss or from any other
                    destruction, damage, theft, or governmental taking,
                    confiscation, seizure, or requisition of or to the
                    Production System or any material part thereof that
                    does not yet constitute an Event of Loss; (C) is
                    required by the Operative Documents; (D) is made to
                    the Lessee or another Person at the Lessee's
                    direction; (E) results from the replacement, removal,
                    substitution, or subleasing of all or any part of the
                    Undivided Interest; or (F) occurs on the Closing Date
                    in connection with the consummation of the
                    transactions contemplated by the Operative Documents;

                    (3) Taxes imposed by any jurisdiction on a Tax
                    Indemnitee solely as a result of its activities in
                    such jurisdiction unrelated to the transactions
                    contemplated by the Operative Documents or the Pass
                    Through Trust Agreement;

                    (4) Taxes on a Tax Indemnitee that result from
                    (A) the willful misconduct, gross negligence, or
                    fraud of such Tax Indemnitee, (B) the breach or
                    inaccuracy by such Tax Indemnitee of any of its
                    representations, warranties or covenants and the
                    failure to perform or observe any agreement under the
                    Operative Documents or Pass Through Trust Agreement,
                    unless, in the case of the Owner Participant and its
                    respective Affiliates, officers, directors, agents,
                    and employees, any such breach, inaccuracy or failure
                    is caused by or results from any act, failure to act,
                    or breach of representation, warranty, or covenant by
                    any Lessee Person or any other party to the Operative
                    Documents, the Operating Agreement or the Pass
                    Through Trust Agreement;

                    (5) Taxes on a Tax Indemnitee that result from
                    (A) the failure of such Tax Indemnitee to file tax
                    returns properly and on a timely basis or to claim a
                    deduction or credit to which it is entitled, or (B)
                    the failure of such Tax Indemnitee to comply with
                    certification, reporting or other similar
                    requirements of the jurisdiction imposing such Tax;
                    provided, however, that the exclusions set forth in
                    subclauses (A) and (B) shall not apply if any such
                    failure is the result of (x) the failure of the
                    Lessee to (I) perform its obligations under Section
                    12.2(c), or to perform its duties and
                    responsibilities pursuant to any of the Operative
                    Documents or the Operating Agreement, (II) timely and
                    properly notify such Tax Indemnitee of the applicable
                    filing, certification, reporting or other similar
                    requirements (including the availability of any
                    deduction or credit other than with respect to any
                    Taxes described as not indemnifiable in Section
                    12.2(b)(1)), or (III) provide reasonable assistance
                    in complying with any such requirement; or (y) a
                    determination by the Owner Participant in good faith
                    that taking any action otherwise required in clause
                    (A) or (B) of this subsection could result in any
                    unindemnified adverse tax consequences or risk of
                    unindemnified adverse tax consequences to the Grantor
                    Trustee, the Trust Estate, or the Owner Participant
                    or its respective Affiliates, officers, directors,
                    agents, or employees, provided that the Owner
                    Participant shall promptly (but, (i) with respect to
                    reports, returns, certifications and statements
                    required to be provided by the Lessee pursuant to
                    Section 12.2(c) hereof, in no event later than 10
                    Business Days following the date any such item is
                    provided, (ii) with respect to reports, returns and
                    statements relating to Taxes described in Section
                    12.2(b)(1) hereof that are indemnifiable
                    notwithstanding that section, in no event later than
                    10 Business Days following the date the Lessee has
                    provided information necessary to file such reports,
                    returns, or statements (but only to the extent the
                    Lessee is required to file such reports, returns or
                    statements hereunder), and (iii) with respect to
                    reports, returns or statements relating to Taxes
                    described in Section 12.2(b)(1) hereof that are not
                    indemnifiable, in no event later than 10 Business
                    Days before the date the reports, returns, or
                    statements are to be filed) provide the Lessee
                    written notice identifying the nature of the
                    unindemnified adverse tax consequences, (and, if the
                    Lessee indemnifies the Grantor Trustee, the Trust
                    Estate or the Owner Participant, as the case may be,
                    and its respective Affiliates, officers, directors,
                    agents and employees promptly for such unindemnified
                    adverse tax consequences in a manner reasonably
                    satisfactory to such Tax Indemnitee (including for
                    credit purposes), the exclusions set forth in
                    subclauses (A) and (B) shall apply;

                    (6) Taxes which are attributable to any period
                    or circumstance occurring after the expiration or
                    earlier termination of the Lease, except to the
                    extent attributable to (A) a failure of the Lessee to
                    fully discharge its obligations under the Operative
                    Documents, (B) Taxes imposed on or with respect to
                    any payments that are due after the expiration or
                    earlier termination of the Lease and which are
                    attributable to a period or circumstance occurring
                    prior to or simultaneously with such expiration or
                    earlier termination;

                    (7) Taxes on the Grantor Trustee, the Indenture
                    Trustee or the Pass Through Trustee which are based
                    on or measured by fees or compensation received by
                    the Grantor Trustee for acting as Grantor Trustee
                    under the Trust Agreement, the Indenture Trustee for
                    acting as Indenture Trustee under the Indenture or
                    the Pass Through Trustee for acting as Pass Through
                    Trustee under the Pass Through Trust Agreement;

                    (8) Taxes on a Tax Indemnitee to the extent such
                    Taxes would not have been imposed if such Tax
                    Indemnitee were a United States person for United
                    States federal income tax purposes;

                    (9) any Tax that is being contested in
                    accordance with the provisions of Section 12.2(e)
                    during the pendency of such contest, but only for so
                    long as such contest is continuing in accordance with
                    such Section and payment is not otherwise required
                    pursuant to such Section;

                    (10) Taxes on a Tax Indemnitee as to which such
                    Tax Indemnitee fails to comply with its contest
                    obligations under Section 12.2(e) but only to the
                    extent such failure precludes a contest and the
                    Lessee has a reasonable basis for such contest;
                    provided, however, that this Section 12.2(b)(10)
                    shall not constitute a waiver by the Lessee of its
                    rights, if any, to assert and sue upon any claims it
                    may have against the Tax Indemnitee by reason of its
                    failure to comply with its obligations under Section
                    12.2(e) of this Agreement;

                    (11) Taxes imposed as a result of (A) in the
                    case of the Owner Participant, the Grantor Trustee,
                    and their respective Affiliates, officers, directors,
                    agents, and employees, the trust described in the
                    Trust Agreement not being treated as a grantor trust
                    or other conduit entity for federal, state or local
                    tax purposes and (B) in the case of all other Tax
                    Indemnitees, any of the Pass Through Trusts not being
                    treated as a grantor trust or other conduit entity
                    for federal, state, or local tax purposes;

                    (12) any Taxes imposed on a transferee or
                    subsequent transferee to the extent of the excess of
                    such Taxes over the total amount of the Taxes of the
                    same or similar nature that would have been imposed
                    had there not been a transfer by the initial Tax
                    Indemnitee after the Closing Date (except in the case
                    of a transfer by the Owner Participant or the Lessor
                    which is described in clauses (A), (B), (C) or (E) of
                    Section 12.2(b)(2) above) of (i) an interest in the
                    Undivided Interest, or of a beneficial interest in
                    the Trust Estate or any portion of any of the
                    foregoing, or (ii) any interest arising under any
                    Operative Document or any Pass Through Trust
                    Agreement or any Secured Note or Pass Through
                    Certificate;

                    (13) Taxes which have been included in Lessor's
                    Cost;

                    (14) Taxes imposed on a Tax Indemnitee that are
                    United States federal net income Taxes of such
                    Indemnitee including any Taxes which are the subject
                    of the Tax Indemnity Agreement;

                    (15) Taxes imposed on the Grantor Trustee or the
                    Owner Participant resulting from a Lessor's Lien or
                    an Owner Participant's Lien, respectively; 

                    (16) Taxes imposed on a Tax Indemnitee resulting
                    from an amendment to an Operative Document to which
                    such Tax Indemnitee is a party which amendment is not
                    consented to by the Lessee in writing or required by
                    the Operative Documents;

                    (17) any Tax (other than a Tax imposed on the
                    Owner Participant or the Grantor Trustee) in the
                    nature of an intangible tax or similar tax upon or
                    with respect to the value of the interest of the
                    Indenture Estate or a Certificateholder, as the case
                    may be, in any of the Secured Notes or Certificates
                    imposed by any government or taxing authority; or

                    (18) Taxes resulting from any violation of ERISA
                    or Section 4975 of the Code.

               If the Lessee is required to pay any indemnity hereunder
               on an After-Tax Basis, none of the exclusions in
               Section 12.2(b)(1) through (18) above shall be read to
               exclude any Taxes that are not necessary to pay such
               indemnity on an After-Tax Basis.  Notwithstanding anything
               contained herein or any other Operative Document to the
               contrary, the Lessee acknowledges and agrees to indemnify
               and hold harmless the Owner Participant and Grantor
               Trustee (in their respective trust and individual
               capacities) on an After-Tax Basis against any and all
               withholding Taxes (inclusive of any interest and penalties
               imposed for any failure to timely withhold such Taxes)
               imposed on or with respect to any amounts paid to a Loan
               Participant or any successor, assignee or Affiliate
               thereof, as an indemnified Tax for purposes of this
               Section 12.2, unless such withholding is due to the Owner
               Participant or the Grantor Trustee not being a United
               States person for United States federal income tax
               purposes.  If a Tax (including any related interest,
               fines, penalties or addition to Tax) (other than, in the
               case of the Owner Participant and the Grantor Trustee,
               withholding taxes referred to in the previous sentence)
               results from a breach or inaccuracy of any Tax Indemnitee
               of any of its representations, warranties or covenants, or
               the failure to perform or observe any agreements under the
               Operative Documents or the Pass Through Trust Agreement,
               unless, in the case of the Owner Participant and its
               respective Affiliates, officers, directors, agents and
               employees, any such breach, inaccuracy or failure is
               caused by or results from any act, failure to act or
               breach of representation, warranty or covenant, or the
               failure to perform any agreement of any Lessee Person or
               any other party to the Operative Documents, the Operating
               Agreement or the Pass Through Trust Agreement, and the
               Lessee is required to indemnify another Tax Indemnitee
               against the imposition of such Tax, then the Tax
               Indemnitee whose breach or failure resulted in the
               imposition of such Tax shall, within 30 days after receipt
               of notice of payment of the Tax and appropriate payment
               documentation with respect thereto, pay to the Lessee an
               amount which equals the amount paid by the Lessee with
               respect to or as a result of such Tax (including any
               expenses or other charges borne by the Lessee) increased
               by (but subject to the proviso in Section 12.2(f)) the
               amount of tax savings to such Tax Indemnitee attributable
               to the making of such payment to the Lessee.
     
                    The provisions of this Section 12.2(b) shall not
               apply to any Taxes imposed in respect of the receipt or
               accrual of any payment made by the Lessee pursuant to
               Section 12.1 hereof, this Section 12.2 or pursuant to the
               Tax Indemnity Agreement.

                    (c)  Reports.  If any report, return,
               certification or statement is required to be filed with
               respect to any Tax that is subject to indemnification
               under this Section 12.2, the Lessee shall timely prepare
               and file the same (except for (i) any report, return or
               statement relating to any net income Taxes described in
               Section 12.2(b)(1) or any Taxes in lieu of or enacted in
               substitution for any of the foregoing, (ii) any report,
               return or statement relating to any other Taxes described
               in Section 12.2(b)(1) or any Taxes in lieu of or enacted
               in substitution for any of the foregoing, except that, in
               such cases, the Lessee shall timely provide information
               necessary to file such report, return or statement (but
               only to the extent the Lessee collects and maintains such
               information in the ordinary course of its operations if
               the relevant Tax Indemnitee otherwise collects and
               maintains such information in the ordinary course of its
               operations) or (iii) any other report, return,
               certification or statement which the Tax Indemnitee has
               notified the Lessee that the Tax Indemnitee intends to
               prepare and file); provided that such Tax Indemnitee shall
               have furnished the Lessee, at the Lessee's expense, with
               such information reasonably necessary to prepare and file
               such returns as is within such Tax Indemnitee's control. 
               The Lessee shall either file such report, return,
               certification or statement (so as to show the ownership of
               the Undivided Interest for tax purposes in the Grantor
               Trustee) and send a copy of such report, return,
               certification or statement to the Owner Participant and
               the Grantor Trustee, or, where not so permitted to file,
               shall notify the Owner Participant and the Grantor Trustee
               of such requirement within a reasonable period of time
               prior to the due date for filing (without regard to any
               applicable extensions) and prepare and deliver such
               report, return, certification or statement to the Owner
               Participant and the Grantor Trustee.  In addition, within
               a reasonable time prior to the time such report, return,
               certification or statement is to be filed the Lessee
               shall, to the extent permitted by law, cause all billings
               of such Taxes to be made to each Tax Indemnitee in care of
               the Lessee, make payment thereof and furnish written
               evidence of such payment.  The Lessee shall furnish
               promptly upon written request such data, records and
               documents as any Tax Indemnitee may reasonably require of
               the Lessee to enable such Tax Indemnitee to comply with
               requirements of any taxing jurisdiction arising out of
               such Tax Indemnitee's participation in the transactions
               contemplated by this Agreement, including, without
               limitation, requirements relating to Taxes described in
               Section 12.2(b)(1).

                    (d)  Payments.  Any Tax indemnified hereunder
               shall be paid directly when due to the applicable taxing
               authority if direct payment is permitted, or shall be
               reimbursed to a Tax Indemnitee on demand if paid by such
               Tax Indemnitee in accordance herewith.  Except as
               otherwise provided in this Section 12.2, all amounts
               payable to a Tax Indemnitee hereunder shall be paid
               promptly in immediately available funds, but in no event
               later than the later of (i) 10 Business Days after the
               date of such demand or (ii) 2 Business Days before the
               date the Tax to which such amount payable hereunder
               relates is due or is to be paid (ignoring extension of
               time) and shall be accompanied by a written statement
               (which written statement shall, at the Lessee's request,
               as long as payment is not delayed, be verified by a
               nationally recognized independent accounting firm mutually
               acceptable to the Lessee and the Tax Indemnitee, such
               verification to be at the Lessee's expense unless such
               accountants determine that the amount payable by the
               Lessee is less than ninety-five percent (95%) of the
               amount shown on such written statement, in which event
               such expense will be paid by the Tax Indemnitee)
               describing in reasonable detail the Tax and the
               computation of the amount payable.  In the case of a Tax
               subject to indemnification under this Section 12.2 which
               is properly subject to a contest in accordance with
               Section 12.2(e), the Lessee (i) shall be obligated to make
               any advances with respect to such Tax whenever required
               under Section 12.2(e) and (ii) shall pay such Tax (in the
               amount finally determined to be owing in such contest) on
               an After-Tax Basis prior to the latest time permitted by
               the relevant taxing authority for timely payment after a
               Final Determination. 

                    (e)  Contests; Refunds.  (i)  In the event a
               taxing jurisdiction makes a claim with respect to any Tax
               for which the Lessee is liable under this Section 12.2 (a
               "Tax Claim"), the Lessee may cause the applicable Tax
               Indemnitee to contest such Tax Claim as set forth herein. 
               In the event any Tax Indemnitee receives notice of a Tax
               Claim or potential Tax Claim which is indemnifiable under
               this Section 12.2, such Tax Indemnitee shall promptly
               notify the Lessee thereof, but the failure to give such
               notice shall not diminish the Lessee's obligation
               hereunder, except to the extent that the Lessee's right to
               contest such Tax Claim or potential Tax Claim is
               foreclosed thereby, unless the Tax Indemnitee delivers an
               opinion of independent tax counsel that no reasonable
               basis exists for the Tax Indemnitee to prevail (except if
               the Lessee shall have provided to the Tax Indemnitee at
               the Lessee's sole expense an opinion of the Lessee's
               independent tax counsel, such tax counsel being reasonably
               acceptable to the Tax Indemnitee, to the effect that a
               reasonable basis exists for such contest).  If requested
               by the Lessee in writing within 30 days of receipt of such
               notice (or, if sooner, on or before the last date upon
               which the contest of such Tax can practicably be initiated
               in good faith, provided that the Tax Indemnitee's notice
               to the Lessee discloses such date), such Tax Indemnitee
               shall, provided that (I) it has received an indemnity
               satisfactory to it whereby the Lessee shall have agreed to
               pay and shall pay to such Tax Indemnitee on an After-Tax
               Basis all reasonable costs, expenses, losses, legal and
               accountants' fees and disbursements, and all penalties,
               fines, additions to tax and interest in connection with
               contesting such Tax Claim and (II) no Lease Event of
               Default or Lease Default described in Section 15(a), (b),
               (c), (f) or (g) of the Lease shall have occurred and be
               continuing, and at the expense of the Lessee, contest or
               permit the Lessee to contest the imposition of any Tax
               Claim by (1) resisting payment thereof, if such Tax
               Indemnitee in its reasonable discretion shall determine
               such course of action to be appropriate, (2) not paying
               the same except under protest, if protest is necessary and
               proper, or (3) if payment shall be made, using reasonable
               efforts to obtain a refund thereof in appropriate
               administrative and judicial proceedings, or both;
               provided, however, that (i) in no event will such Tax
               Indemnitee be required to contest or permit a contest or
               continue to contest any Tax Claim unless such Tax
               Indemnitee and the Owner Participant shall have reasonably
               determined that the action to be taken will not result in
               (a) any material risk of sale, forfeiture or loss of, or
               the creation of any lien (except if the Lessee shall have
               adequately bonded such lien, or otherwise made provision
               to protect the interests of such Tax Indemnitee and the
               Owner Participant in a manner reasonably satisfactory to
               such Tax Indemnitee and the Owner Participant) on, the
               Undivided Interest, any part thereof or interest therein
               or (b) any risk of criminal penalties and (ii) if such
               contest shall involve payment of the Tax Claim, the Lessee
               shall have advanced to such Tax Indemnitee the amount of
               such payment plus interest, penalties and additions to tax
               with respect thereto on an interest-free basis, and shall
               indemnify the Tax Indemnitee, on an After-Tax Basis, for
               any adverse tax consequences resulting from such advance. 
               If permitted by applicable law, the Lessee may contest, at
               its own expense, the imposition of any Tax Claim if (i)
               the proviso in the preceding sentence is satisfied, (ii)
               such claim involves only Taxes for which the Lessee is
               liable to the taxing authority, (iii) the Lessee shall
               have delivered to the Tax Indemnitee a written
               acknowledgment of its liability under this Section 12.2
               for such Taxes (provided, however, that the Lessee will
               not be bound by its acknowledgment of liability if the
               contest is resolved on the basis of a written decision of
               the adjudicator that clearly indicates the basis for the
               conclusion that the Lessee has no liability under this
               Section 12.2 with respect to such Tax, unless the Lessee's
               conduct of the contest has materially prejudiced the Tax
               Indemnitee), (iv) the participation of the Tax Indemnitee
               is not required, (v) no Tax return of the Tax Indemnitee
               is held open as a result of such contest, and (vi) the Tax
               Indemnitee may not be reasonably viewed as having actual
               or potential liability for Taxes not indemnifiable by the
               Lessee hereunder relating to the contest.  In any contest
               controlled by a Tax Indemnitee, the Tax Indemnitee shall
               consult in good faith with the Lessee concerning the
               method and forum of such contest, but the Tax Indemnitee
               shall retain the ultimate control over such contest.  The
               Lessee shall have control over any contest conducted by
               the Lessee pursuant to the terms hereof, but shall consult
               in good faith with the Tax Indemnitee concerning the
               method and forum of such contest.  The Lessee shall keep
               the Tax Indemnitee fully informed as to the nature,
               conduct and results of any contest conducted in the name
               of the Tax Indemnitee.  Notwithstanding anything contained
               in this Section 12.2 to the contrary, no Tax Indemnitee
               shall be required to contest any Tax Claim (in a
               proceeding that involves taxes unrelated to the
               transactions contemplated by the Operative Documents)
               unless such Tax Indemnitee shall have received an opinion
               of such independent tax counsel as may be selected by the
               Tax Indemnitee and reasonably acceptable to the Lessee,
               furnished at the Lessee's sole expense, to the effect that
               there is a reasonable basis to contest such Tax Claim.  A
               Tax Indemnitee shall not make, accept or enter into a
               settlement or other compromise with respect to any Taxes
               indemnified pursuant to this Section 12.2 (which
               proceeding the Tax Indemnitee is required to continue), or
               forego or terminate any such proceeding with respect to
               Taxes indemnified pursuant to this Section 12.2, without
               the prior written consent of the Lessee provided that the
               Lessee shall have acknowledged that the contest is with
               respect to a Tax Claim that would result in a Tax
               indemnifiable under this Section 12.2.  Notwithstanding
               the foregoing, if a Tax Indemnitee refuses to contest any
               Tax Claim or effects a settlement or compromise of any
               such Tax that the Tax Indemnitee is required to contest or
               is required not to settle or compromise or otherwise
               terminates any such contest in violation of the terms
               hereof without such prior written consent of the Lessee
               (but not with respect to any reasonable out-of-pocket
               costs and expenses incurred by the Tax Indemnitee to
               contest such Tax Claim), such Tax Indemnitee shall be
               deemed to have waived its right to any indemnity payment
               by the Lessee that would otherwise be payable by the
               Lessee pursuant to this Section 12.2 in respect of such
               Tax Claim and any other tax claim the contest of which may
               be effectively precluded by such settlement or compromise,
               and shall have no further obligation or liability to the
               Lessee with respect to such contest or settlement. 
               Notwithstanding anything contained in this Section 12.2 to
               the contrary, the Tax Indemnitee shall not be required to
               contest any claim if the subject matter thereof shall be
               of a continuing nature and shall have previously been
               decided adversely by a court of competent jurisdiction
               pursuant to the contest provisions of this Section 12.2,
               unless there shall have been a change in law (or
               interpretation thereof) or a change in facts after the
               date with respect to which such previous contest shall
               have been decided, and the Tax Indemnitee shall have
               received, at the Lessee's expense, an opinion of
               independent tax counsel selected by the Lessee and
               reasonably acceptable to such Tax Indemnitee to the effect
               that as a result of such change in law (or interpretation
               thereof) or a change in facts, there is substantial
               authority (applying the principles of Section 6662(d) of
               the Code and the Treasury Regulations thereunder) for the
               position asserted by the Tax Indemnitee in such contest.

                    (ii)  Upon receipt by any Tax Indemnitee of a
               repayment or refund of all or any part of any Tax which
               the Lessee shall have paid for, or advanced to, such Tax
               Indemnitee or for which the Lessee shall have reimbursed
               such Tax Indemnitee pursuant to this Section 12.2, such
               Tax Indemnitee shall pay to the Lessee, as promptly as
               practicable after the receipt thereof, the amount of such
               repayment or refund plus any interest received by, or
               credited to, such Tax Indemnitee on such amounts net of
               Taxes thereon plus the amount of any net tax savings
               actually realized by such Tax Indemnitee as a result of
               the payment made to the Lessee; provided, however, that: 
               (A) such Tax Indemnitee shall not be obligated to make
               such payment with respect to any net tax savings to the
               extent that the amount of such payment would exceed (x)
               all prior indemnity payments (excluding costs and expenses
               incurred with respect to contests) made by the Lessee with
               respect to such Tax pursuant to this Section 12.2 and less
               (y) the amount of all prior payments by such Tax
               Indemnitee to the Lessee hereunder with respect to such
               Tax (but any such excess shall be applied against, and
               reduce pro tanto, any future payment due such Tax
               Indemnitee pursuant to this Section 12.2); (B) if there is
               (1) a subsequent loss of any such tax savings or refund
               realized by the Tax Indemnitee or (2) a reduction of an
               amount otherwise payable to a Tax Indemnitee hereunder as
               a result of any such tax savings or refund, such loss or
               reduction shall be treated as a Tax for which the Lessee
               must indemnify such Tax Indemnitee pursuant to this
               Section 12.2 without regard to the exclusions set forth in
               Sections 12.2(b) and 12.2(c), other than the exclusions
               set forth in Sections 12.2(b)(4)(A), (7) and (13); and (C)
               no payment shall be made by any Tax Indemnitee while a
               Lease Event of Default shall have occurred and be
               continuing.

                    (f)  Tax Savings.  If, by reason of any payment
               made to or for the account of a Tax Indemnitee by the
               Lessee pursuant to this Section 12.2, such Tax Indemnitee
               at any time realizes a reduction in any Taxes for which
               the Lessee is not required to indemnify such Tax
               Indemnitee pursuant to this Section 12.2 and which was not
               taken into account previously in computing such payment by
               the Lessee to or for the account of such Tax Indemnitee,
               then such Tax Indemnitee shall promptly pay to the Lessee
               an amount equal to such actual reduction in Taxes, plus
               the amount of any additional reduction in Taxes of such
               Tax Indemnitee attributable to the payment made by such
               Tax Indemnitee to the Lessee pursuant to this sentence. 
               Notwithstanding the previous sentence, (A) such Tax
               Indemnitee shall not be obligated to make such payment
               with respect to any net tax savings to the extent that the
               amount of such payment would exceed (x) all prior
               indemnity payments (excluding costs and expenses incurred
               with respect to contests) made by the Lessee with respect
               to such Tax pursuant to this Section 12.2 and less (y) the
               amount of all prior payments by such Tax Indemnitee to the
               Lessee hereunder with respect to such Tax (but any such
               excess shall be applied against, and reduce pro tanto, any
               future payment due such Tax Indemnitee pursuant to this
               Section 12.2); (B) if there is a (i) subsequent loss of
               any such tax savings or refund realized by the Tax
               Indemnitee or any tax savings taken into account for
               purposes of determining "After-Tax Basis" or (ii) a
               reduction of an amount otherwise payable to a Tax
               Indemnitee hereunder as a result of any such tax savings
               or refund, such loss or reduction shall be treated as a
               Tax for which the Lessee must indemnify such Tax
               Indemnitee pursuant to this Section 12.2 without regard to
               the exclusions set forth in Sections 12.2(b) and 12.2(c),
               other than the exclusions set forth in Sections
               12.2(b)(4)(A), (7) and (13); and (C) no payment shall be
               made by any Tax Indemnitee while a Lease Event of Default
               shall have occurred and be continuing.

                    (g)  Definition of Owner Participant.  For
               purposes of this Section 12.2, the term "Owner
               Participant" and the term Tax Indemnitee as applied to the
               Owner Participant shall include any member of an
               affiliated group, within the meaning of Section 1504 of
               the Code (or any successor provision thereof), of which
               the Owner Participant is, or may become, a member, if
               consolidated, joint or combined returns are filed for such
               affiliated group for federal, state or local income tax
               purposes.  The Owner Participant undertakes on behalf of
               such other members of its affiliated group to perform or
               cause to be performed all obligations of such affiliated
               group hereunder.

               12.3  No Guarantee.  Nothing in Section 12.1 or 12.2
     shall be construed as a guaranty by the Lessee of the useful
     life or residual value in the Undivided Interest or as a
     guaranty of the Secured Notes.

               12.4.  Opinion in Connection with Refunding of Senior
     Notes or Adjustments to Rent Percentages.  In connection with
     any refunding or refinancing of the Secured Notes pursuant to
     Section 15 of this Agreement or any adjustment of the Basic
     Rent Percentages pursuant to Section 4 of the Lease to which
     the proviso set forth in Section 4.2 of the Lease applies, if
     the Lessee shall fail to provide the Owner Participant with an
     opinion of tax counsel selected by the Lessee but reasonably
     acceptable to the Owner Participant in form and substance to
     the effect that such refunding (or refinancing) or adjustment,
     as the case may be, more likely than not will not result in a
     greater risk of an unindemnified tax liability on the part of
     the Owner Participant, then the Lessee shall provide the Owner
     Participant with tax indemnity in form and substance reasonably
     satisfactory to the Owner Participant (including credit
     support).

     SECTION 13.    TRANSFER OF OWNER PARTICIPANT'S INTEREST.

               13.1  Restrictions on Transfer.  Without the prior
     written consent of, so long as the Lease shall be in effect,
     the Lessee, and, so long as the Lien of the Indenture shall be
     in effect, the Indenture Trustee, the Owner Participant shall
     not, directly or indirectly, assign, convey or otherwise
     transfer (whether by consolidation, merger, sale of assets or
     otherwise) any of its right, title or interest in and to the
     Trust Estate, this Agreement, the Trust Agreement or any other
     Operative Document except in accordance with the terms and
     conditions of this Section 13; provided that in the case of any
     transfer that occurs while a Lease Event of Default has
     occurred and is continuing, (i) the conditions to transfer set
     forth in Sections 13.2(d) and (e) shall not apply, (ii) the
     conditions to transfer set forth in Section 13.2(a) shall be
     modified such that the only remaining requirement under such
     Section is that the transferee shall have a net worth at the
     time of transfer of at least $10,000,000 and (iii) the
     conditions to transfer in Section 13.2(f) shall be modified
     such that the Lessee shall not be entitled to require that the
     opinion referred to in said Section be in form and substance
     satisfactory to the Lessee.

               13.2  Permitted Transfers.  The Owner Participant may
     transfer all or part of its right, title and interest in and to
     the Trust Estate (whether or not the same shall then have been
     pledged or mortgaged under the Indenture, but subject to the
     Lien of the Indenture if then in effect) and in and to this
     Agreement and the other Operative Documents to any Person (a
     "Transferee") only in compliance with and upon satisfaction of
     the following conditions:

                    (a)  the Transferee (i) shall be, or shall be an
               Affiliate of, a financial institution, leasing company or
               other institutional investor having a tangible net worth
               at the time of at least $75,000,000 (or shall provide a
               guarantee in form and substance reasonably satisfactory to
               the Lessee and the Indenture Trustee of all its
               obligations under the Operative Documents to which it is a
               party by an entity having a tangible net worth at the time
               of at least $75,000,000), or (ii) shall be an Affiliate of
               the Owner Participant that either (x) has a net worth of
               at least $75,000,000 or (y) has its obligations under the
               Operative Documents guaranteed by the Owner Participant
               (or if at the time of transfer the Owner Participant's
               obligations are guaranteed pursuant to the Guaranty, by
               the Guarantor) pursuant to a guaranty in form and
               substance reasonably satisfactory to the Lessee and the
               Indenture Trustee; and in the case of either (i) or (ii)
               such Transferee shall not be a Competitor of the Lessee;

                    (b)  no such transfer shall violate any
               provision of, or create a relationship which would be in
               violation of, any applicable Governmental Rules,
               including, without limitation, applicable securities laws,
               any agreement to which the Owner Participant or the
               Transferee is a party or by which it or any of its
               property is bound or any Governmental Actions;

                    (c)  the Transferee shall enter into an
               agreement substantially in the form of Exhibit B and shall
               have delivered to the Grantor Trustee and the Lessee an
               Officer's Certificate of the Transferee stating that the
               representations and warranties contained therein shall be
               true and correct on the date of transfer;

                    (d)  the transferring Owner Participant shall
               have provided 10 Business Days prior written notice of
               such transfer to the Grantor Trustee, the Indenture
               Trustee and the Lessee, which notice shall specify (i)
               such information and be accompanied by evidence as shall
               be reasonably necessary to establish compliance with this
               Section 13 and Section 12.7 of the Trust Agreement and
               (ii) the name and address (for the purpose of giving
               notice as contemplated by the Operative Documents) of the
               Transferee;

                    (e)  the transferring Owner Participant shall
               pay or cause to be paid all reasonable fees, out-of-pocket
               expenses, disbursements and costs (including, without
               limitation, legal and other professional fees and
               expenses) incurred by the Grantor Trustee, the Loan
               Participants, the Indenture Trustee or the Lessee in
               connection with any transfer pursuant to this Section 13
               (other than fees and expenses incurred in unsuccessfully
               challenging, through any action, suit or proceeding, the
               Owner Participant's right to make such transfer);

                    (f)  the transferring Owner Participant or the
               Transferee shall have delivered to the Grantor Trustee and
               the Lessee and, if the Lien of the Indenture shall then be
               in effect, the Indenture Trustee, an opinion of counsel in
               form and substance reasonably satisfactory to each of
               them, as to the due authorization, execution, delivery and
               enforceability of the agreement or agreements referred to
               in clause (c) of this Section 13.2, and as to the matters
               referred to in clause (b) of this Section 13.2; and

                    (g)  the Transferee shall be a "United States
               Person" as defined in the Code.

               13.3  Request for Acknowledgment.  In connection with
     any proposed transfer, assignment or assumption under Section
     13.2, the Owner Participant may by notice to the Lessee, the
     Indenture Trustee and Chadbourne & Parke LLP, at the addresses
     set forth for such Persons in Schedule 1 hereto, at least 20
     Business Days prior to the anticipated date of the proposed
     transfer or assignment, request that the Lessee and the
     Indenture Trustee acknowledge that any or all of the conditions
     precedent or requirements contained in Section 13.2 have been
     met, and such acknowledgment shall be promptly (and in any
     event with respect to each such party no more than 10 Business
     Days after such notice shall have been given) granted to the
     extent that such conditions or requirements are met.  In
     connection therewith, the Owner Participant shall provide the
     Lessee and the Indenture Trustee with (a) an Officer's
     Certificate of the Owner Participant signed on behalf of the
     Owner Participant by a Responsible Officer of the Owner
     Participant to the effect that all of the conditions precedent
     or requirements contained in Section 13.2 have been met and
     (b) all the information necessary, or with any information that
     the Lessee or the Indenture Trustee may reasonably request, in
     order for the Lessee and the Indenture Trustee to make such
     determination.  If the Lessee or the Indenture Trustee fails to
     respond on or prior to the 30th day after receipt of any such
     notice, the Lessee or the Indemnitee Trustee, as the case may
     be, shall be deemed to have given its acknowledgment that such
     conditions precedent or requirements have been met.

               13.4  Effect of Transfer.  From and after any
     transfer effected in accordance with this Section 13, the Owner
     Participant making such transfer shall be released, to the
     extent of the obligations assumed by the Transferee, from its
     liability hereunder and under the other Operative Documents to
     which it is or is to be a party and under the Agency and
     Support Agreement in respect of obligations to be performed on
     or after the date of such transfer.  Upon any transfer by the
     Owner Participant in accordance with this Section 13, the
     Transferee shall be deemed an "Owner Participant" for all
     purposes of the Operative Documents and each reference herein
     to the Owner Participant making such transfer shall thereafter
     be deemed a reference to such Transferee for all purposes,
     except as provided in the preceding sentence.  In addition,
     except in the case of a transfer to an Affiliate of the Owner
     Participant in accordance with Section 13.2(a)(ii)(y), upon any
     transfer made in accordance with this Section 13, the Guaranty,
     if any, shall be released to the extent the obligation of the
     Owner Participant under the Operative Documents are assumed by
     the Transferee or, if applicable a new Guarantor.  Any transfer
     that is not in accordance with this Section 13 shall be a
     breach of this Agreement and shall be null and void; provided
     that the failure by the transferring Owner Participant to
     provide 10 Business Days prior written notice of a transfer in
     accordance with Section 13.2(d) shall not constitute a breach
     of this Agreement if such failure is cured within 10 days after
     the earlier of receipt by the Owner Participant of written
     notice thereof from the Lessee or the date the Owner
     Participant obtains Actual Knowledge of such failure; and
     provided further that the failure by the Owner Participant to
     pay fees and expenses in accordance with Section 13.2(e) shall
     not constitute a breach of this Agreement if such failure is
     cured within 60 days after the earlier of receipt by the Owner
     Participant of written notice thereof from the Lessee, the
     Grantor Trustee, the Loan Participants or the Indenture Trustee
     or the date the Owner Participant obtains Actual Knowledge of
     such failure.

     SECTION 14.    FINANCING FOR MODIFICATIONS.

               14.1  Financing for Modifications.  The Lessee shall
     give the Grantor Trustee, the Owner Participant and the
     Indenture Trustee any required notice of a Modification to the
     Production System pursuant to Section 11.6(b) of the Lease. 
     Upon receipt of such notice, and so long as no Lease Default
     described in paragraphs (a), (b), (c) or (g) of the definition
     of Lease Event of Default in Section 15 of the Lease and no
     Lease Event of Default shall have occurred and be continuing,
     the Owner Participant shall cause the Lessor to finance the
     cost of the Lessor's Share of such Modification through the
     issuance of Additional Notes under the Indenture, on terms and
     conditions (including additional credit support to the extent
     required by Section 10.14 after giving effect to any adjustment
     in Stipulated Loss Value as a result of the issuance of
     Additional Notes) mutually acceptable to the Owner Participant
     and the Lessee; provided that any issuance and sale by the
     Grantor Trustee of Additional Notes shall be in accordance with
     and subject to the conditions set forth in Section 2.08 of the
     Indenture (including, without limitation, the condition that
     such Additional Notes may not rank senior (but may rank pari
     passu or junior) in any respect to other Secured Notes issued
     under the Indenture).

     On the closing date of any Supplemental Financing, the Basic
     Rent Percentages, Stipulated Loss Value Percentages,
     Termination Value Percentages, Early Buy-Out Percentages and
     Fixed Price Purchase Amount shall be adjusted in accordance
     with Section 4 of the Lease.  No Additional Notes may be issued
     without the prior written consent of the Lessee.

     SECTION 15.    REFUNDING OF SECURED NOTES.

               15.1  Refunding of Secured Notes.  Upon compliance
     with the terms and conditions of this Section 15, including,
     without limitation, the satisfaction of the conditions set
     forth in Section 15.2 and in Section 3.05 of the Indenture, the
     Lessee shall have the right, at its option and expense, on two
     occasions during the Lease Term to cause the Grantor Trustee to
     refund or refinance the Secured Notes and/or any Additional
     Notes then Outstanding (the "Refunded Secured Notes") through
     the issuance and sale in the public or private market of one or
     more additional series of Secured Notes (the "Refunding Secured
     Notes"), in an aggregate principal amount which shall be equal
     to the unpaid principal amount of the Refunded Secured Notes
     plus any accrued and unpaid interest on the Refunded Secured
     Notes not paid by Lessee as contemplated in clause (d) of this
     Section 15.1, the proceeds of such issuance and sale to be
     applied to prepay or redeem the principal amount of such
     Refunded Secured Notes and subject to the following conditions:

                    (a)  the expenses of any such refunding or
               refinancing (including, without limitation, any premium
               payable with respect to the Secured Notes) shall be borne
               by the Lessee;

                    (b)  the Owner Participant will not suffer any
               unindemnified adverse tax consequences (as determined in
               accordance with and subject to Section 12.4) and Owner
               Participant will receive an opinion of its counsel and
               reasonably acceptable to the Lessee to such effect;
               provided, however, that, in the absence of a change in
               applicable tax law, Treasury Regulations or Internal
               Revenue Service published revenue ruling, revenue
               procedure or notice after the Closing Date, the Secured
               Notes are "qualified nonrecourse indebtedness" and any
               such refinancing taken together with each other
               refinancing, that does not (i) result in an increase in
               principal amount greater than 5.0% of the remaining
               principal amount of the Secured Notes or, as applicable
               any Additional Notes or (ii) increase in term or average
               life that exceeds the remaining term or average life, as
               applicable, of the original Secured Notes by more than six
               months, shall be treated as not causing a material adverse
               tax effect under Section 861 of the Code;

                    (c)  the appropriate parties will enter into a
               note purchase agreement providing for the issuance and
               sale by the Grantor Trustee or such other party as may be
               appropriate on the date specified in such agreement (for
               the purposes of this Section 15.1, the "Refunding Date")
               of Refunding Secured Notes the proceeds of which shall be
               used to repay all of the Outstanding Refunded Secured
               Notes on the Refunding Date;

                    (d)  if the Refunding Date is during the Basic
               Lease Term, the Lessee and the Grantor Trustee will amend
               the Lease such that if the Refunding Date is not a Basic
               Rent Payment Date, the Lessee shall on the Refunding Date
               prepay that portion of the next succeeding installment of
               Basic Rent to the extent necessary to pay the aggregate
               interest accrued on the Refunded Secured Notes not payable
               with the proceeds of the Refunding Secured Notes;

                    (e)  the Grantor Trustee will enter into an
               agreement to provide for the securing thereunder of the
               Refunding Secured Notes in like manner as the Refunded
               Secured Notes and/or will enter into such amendments and
               supplements to the Indenture as may be necessary to effect
               a refunding or refinancing under this Section 15.1, which
               agreements, amendments and/or supplements shall be
               satisfactory in form and substance to the Owner
               Participant;

                    (f)  the identity of the Owner Participant shall
               not be disclosed in offering materials used in connection
               with such refunding or refinancing pursuant to a public
               offering;

                    (g)  unless otherwise agreed by the Owner
               Participant, the Lessee shall pay to the Grantor Trustee
               as Supplemental Rent an amount equal to the Premium, if
               any, payable in respect of the Refunded Secured Notes and
               all reasonable fees, costs, expenses of such refunding or
               refinancing, including, without limitation, the Owner
               Participant's out-of-pocket expenses and reasonable
               counsel fees and expenses;

                    (h)  the Lessee shall cause a legal opinion in
               form and substance reasonably satisfactory to the Owner
               Participant, the Grantor Trustee, the Indenture Trustee
               and the Pass Through Trustee to be addressed to the Owner
               Participant, the Grantor Trustee, the Indenture Trustee
               and the Pass Through Trustee with respect to federal or
               state securities laws and insofar as such laws relate to
               the refunding or refinancing; and

                    (i)  such additional documents, certificates,
               opinions as shall be reasonably requested by, and
               acceptable to, the Grantor Trustee and the Indenture
               Trustee, including, but not limited to, such documents,
               financing statements and opinions as are reasonably
               necessary to confirm that the refinancing of all Secured
               Notes of the series as to which the refinancing is
               occurring is being carried out.

               In connection with any such refunding or refinancing,
     the Basic Rent Percentages, Stipulated Loss Value Percentages,
     Termination Value Percentages and the Early Buy-Out Percentages
     and the amount of Credit Support shall be adjusted in
     accordance with Section 4 of the Lease.  The Secured Notes may
     not be refunded or refinanced without the prior written consent
     of the Lessee.

               15.2  Notice.  The Lessee shall give the other
     parties to this Agreement at least 90 days' prior written
     notice of any desired refunding or refinancing pursuant to
     Section 15.1, which notice shall set forth to the extent
     practicable the proposed terms and conditions of such refunding
     or refinancing, including the desired date therefor.  The
     Lessee, the Grantor Trustee, the Owner Participant and, as
     necessary, the Indenture Trustee and the Loan Participants,
     shall consult thereafter on the good faith negotiation of such
     terms and conditions to the end that, subject to the provisions
     of this Section 15, the final terms and conditions of such
     refunding shall be agreed among the parties thereto in due
     course thereafter.  The Lessee will provide notice promptly to
     such Persons in the event that it determines not to proceed
     with such proposed refunding or refinancing pursuant to Section
     15.1.

               15.3  Rights of Parties.  Notwithstanding anything to
     the contrary contained in this Section 15, in no event shall
     the Owner Participant have any obligation to initiate or
     structure any refunding or refinancing of Secured Notes or to
     take, or to cause the Grantor Trustee to take, any action in
     connection therewith other than such as may be requested by the
     Lessee, the Owner Participant or the Indenture Trustee as
     provided in this Section 15.

     SECTION 16.    BENEFICIAL INTEREST PURCHASE OPTION.

               16.1  Option to Purchase.  In the event and at the
     time that the Lessee has the right to purchase all of Lessor's
     right, title and interest in and to the Undivided Interest
     pursuant to Section 6.1 of the Lease, the Lessee in lieu of
     exercising such right may elect to purchase the right, title
     and interest of the Owner Participant in and to the Trust
     Estate (the "Beneficial Interest") at a purchase price equal to
     the excess of (i) the applicable purchase price payable under
     Section 6.1 over (ii) the outstanding principal and accrued
     interest on the Secured Notes as of the applicable purchase
     date (after giving effect to the payment of all amounts
     required to be paid by the Lessee pursuant to Section 16.2(b))
     (the "Beneficial Interest Purchase Price").  It is intended
     among the parties hereto that the purchase of the Beneficial
     Interest by the Lessee shall not effect a merger of the
     Lessee's interest, as lessee, in the Lease and the beneficial
     interest in the Trust Estate to be purchased by the Lessee. 
     Such purchase shall be consummated pursuant to an assignment
     and assumption agreement which shall at a minimum preserve
     Owner Participant's rights which are expressly stated to
     survive any purchase.

               16.2  Notice of Election; Manner of Purchase;
     Transfer After Purchase.  (a)  In order to exercise its right
     to purchase the Beneficial Interest pursuant to Section 16.1,
     the Lessee shall notify the Owner Participant irrevocably in
     writing no later than 90 days prior to the applicable purchase
     date under Section 6.1 of the Lease that it desires to purchase
     the Beneficial Interest.

               (b)  On the date of purchase, upon receipt by the
     Owner Participant of the Beneficial Interest Purchase Price,
     and all Basic Rents due by the Lessee to or distributable to
     the Owner Participant on or prior to such date of purchase (but
     excluding any Basic Rent payable in advance on such date of
     purchase) and all Supplemental Rent due by the Lessee to or
     distributable to the Owner Participant to and including such
     date of purchase (without giving effect to any applicable grace
     periods), the Owner Participant shall transfer the Beneficial
     Interest free and clear of all Liens to the Lessee pursuant to
     an instrument of conveyance in form and substance reasonably
     satisfactory to the Lessee.

               (c)  Each of the Participants, the Grantor Trustee
     and the Indenture Trustee, at the cost and expense of the
     Lessee, will cause to be promptly and duly taken, executed,
     acknowledged and delivered all such further acts, documents and
     assurances as the Lessee reasonably may request in order to
     carry out the intent and purposes of this Section 16 and the
     transactions contemplated hereby.

               (d)  As a condition to the Lessee's right to purchase
     the Beneficial Interest pursuant to Section 16.1 (unless the
     Lessee shall assume the obligations of the Grantor Trustee
     pursuant to the next sentence), on the date of purchase the
     Lessee shall have provided to the Indenture Trustee an opinion
     of counsel for the Lessee, dated the date of purchase, which,
     subject to usual or customary exceptions, shall be to the
     effect that upon consummation of such purchase, this Agreement,
     the Trust Agreement and the Lease constitute the legal, valid
     and binding obligation of the Lessee, enforceable against the
     Lessee in accordance with its terms except as the same may be
     limited by applicable bankruptcy, insolvency, reorganization,
     moratorium or similar laws affecting the rights of creditors
     generally and by general principles of equity, and except as
     limited by applicable laws that may affect the remedies
     provided for in the Lease, which laws, however, do not in the
     opinion of such counsel make the remedies provided for in the
     Lease inadequate for the practical realization of the rights
     and benefits provided for in the Lease.  In the event the
     Lessee is unable to provide such opinion, concurrently with the
     purchase of the Beneficial Interest the Lessee shall assume the
     obligations of the Grantor Trustee under the Secured Notes and
     under the Indenture in accordance with and with the effect
     provided in Section 3.04 of the Indenture and Section 11.6
     hereof.

     SECTION 17.    MISCELLANEOUS.

               17.1  Survival.  All agreements, representations,
     warranties and indemnities contained in this Agreement and the
     other Operative Documents and in any agreement, document or
     certificate delivered pursuant hereto or thereto or in
     connection herewith or therewith shall survive and continue in
     effect following the execution and delivery of this Agreement
     and the other Operative Documents and the participation by the
     Owner Participant and the Loan Participants in the payment of
     Lessor's Cost as contemplated hereby and by the other Operative
     Documents.

               17.2  Binding Effect.  All agreements,
     representations, warranties and indemnities in this Agreement
     and the other Operative Documents and in any agreement,
     document or certificate delivered pursuant hereto or thereto or
     in connection herewith or therewith shall bind the Person
     making the same and its successors and assigns, and shall inure
     to the benefit of each Person for whom made and their
     respective successors and permitted assigns.

               17.3  Notices.  All communications, notices and
     consents provided for in this Agreement shall be in writing and
     shall be given in person or by courier or by means of telecopy
     or other wire transmission (with request for assurance of
     receipt in a manner typical with respect to communications of
     that type), or mailed by registered or certified first class
     mail, return receipt requested, or overnight courier, addressed
     as set forth in Schedule 1 or at such other address as any such
     Person may from time to time designate by notice duly given in
     accordance with the provisions of this Section 17.3 to the
     other parties hereto.  Any notice delivered by hand shall
     become effective when delivered.  Any notice delivered by
     courier service shall become effective on the date of receipt
     (which may be established, without limitation, by reference to
     evidence of delivery provided by the courier service).  Any
     notice delivered by telecopy shall become effective on the date
     such telecopy is sent, as established by evidence of receipt of
     such transmission.

               17.4  Counterpart Execution.  This Agreement may be
     executed in any number of counterparts and by the different
     parties hereto on separate counterparts, each of which, when so
     executed and delivered, shall be an original, but all such
     counterparts shall together constitute but one and the same
     instrument.  

               17.5  GOVERNING LAW.  THIS AGREEMENT SHALL BE
     GOVERNED BY, AND BE CONSTRUED IN ACCORDANCE WITH, THE INTERNAL
     LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO ITS CONFLICT
     OF LAWS PRINCIPLES.

               17.6  Amendments, Supplements, Etc.  (a) Neither this
     Agreement nor any of the terms hereof may be amended,
     supplemented, waived or modified orally, but only by an
     instrument in writing signed by the party against which
     enforcement of such change is sought.

               (b)  Prior to the Lease Termination Date, neither the
     Trust Agreement nor the Indenture may be amended, waived,
     supplemented or modified to permit any action contrary to, or
     disturb the Lessee's rights under, the Lease, or otherwise
     adversely affect the Lessee's rights, or increase the Lessee's
     obligations or liabilities, under any Operative Document
     without the consent of the Lessee. 

               (c)  Prior to the Lease Termination Date, neither
     Section 1.04(c) nor any other provision of the Pass Through
     Trust Agreement that would have the effect of amending,
     modifying or waiving such Section 1.04(c) shall be amended,
     modified or waived without the consent of the Owner
     Participant.

               17.7  Headings; Table of Contents.  The division of
     this Agreement into Sections, subsections and paragraphs, the
     provision of a table of contents and the insertion of headings
     are for convenience of reference only and shall not affect the
     construction or interpretation hereof.

               17.8  Severability of Provisions.  Any provision of
     this Agreement which may be determined by competent authority
     to be invalid or unenforceable in such jurisdiction shall, as
     to such jurisdiction, be ineffective to the extent of such
     invalidity or unenforceability without invalidating or
     rendering unenforceable any remaining terms and provisions
     hereof, and any such invalidity or unenforceability in any
     jurisdiction shall not invalidate or render unenforceable such
     provision in any other jurisdiction.  The parties shall
     negotiate in good faith to replace such provision with an
     appropriate, legal provision.  To the extent permitted by
     applicable law, the parties hereto hereby waive any provision
     thereof that renders any term or provision hereof invalid or
     unenforceable in any respect.

               17.9  Entire Agreement.  This Agreement (including
     the schedules and exhibits hereto), the Pass Through Trust
     Agreement, the Reimbursement Agreement, the Initial Letter of
     Credit and the other Operative Documents, and all certificates,
     instruments and other documents relating thereto delivered and
     to be delivered from time to time pursuant to the Operative
     Documents and the Pass Through Trust Agreement, supersede all
     agreements (other than any Operative Document) prior to the
     date of this Agreement, written or oral, between or among any
     of the parties hereto relating to the transactions contemplated
     hereby and thereby.

               17.10  Limitation of Liability of Grantor Trustee,
     Indenture Trustee and Pass Through Trustee.  (a)  It is
     expressly understood and agreed by and among all of the parties
     hereto that, except as otherwise expressly provided herein or
     in any other Operative Document (other than the Trust
     Agreement), (i) this Agreement is executed and delivered by the
     Grantor Trustee not in its or his individual capacity but
     solely as trustee under the Trust Agreement in the exercise of
     the power and authority conferred and vested in it or him as
     such Grantor Trustee, (ii) certain of the representations,
     undertakings and agreements made herein by the Grantor Trustee
     are not personal representations, undertakings and agreements,
     but are binding only on the Trust Estate and the Grantor
     Trustee, as trustee, (iii) except as set forth in the proviso
     to this sentence, nothing herein contained shall be construed
     as creating any liability of the Trust Company or Laskaris or
     any incorporator or any past, present or future subscriber to
     the capital stock of, or stockholder, officer or director of
     the Trust Company to perform any covenant, whether express or
     implied, contained herein, all such liability, if any, being
     expressly waived by each of the other parties hereto and by any
     Person claiming by, through or under any such party, and (iv)
     so far as the Grantor Trustee is concerned, each of the other
     parties hereto and any Person claiming by, through or under any
     such party shall (other than with respect to Claims arising
     from the willful misconduct or gross negligence of the Grantor
     Trustee or the failure of the Corporate Grantor Trustee to
     distribute funds in accordance with the terms of the Operative
     Documents) look solely to the Trust Estate and the Indenture
     Estate for the performance of any obligation under any of the
     instruments referred to herein; provided, however, that
     notwithstanding anything in this Section 17.10 to the contrary,
     the Trust Company and Laskaris, shall be liable (A) each in its
     or his individual capacity and as Grantor Trustee to the Owner
     Participant as expressly set forth in the Trust Agreement, (B)
     each in its or his individual capacity, in respect of its or
     his representations, warranties and agreements made in its or
     his individual capacity as expressly set forth herein
     (including, without limitation, Sections 8 and 11) or in any
     other Operative Document to which it or he is a party or in any
     Officer's Certificate of the Trust Company, delivered pursuant
     hereto, and (C) each in its or his individual capacity for the
     consequences of its or his gross negligence or willful
     misconduct or its or his failure to distribute funds in
     accordance with the terms of the Operative Documents
     (including, without limitation, willful breach of contract)
     with respect to any Grantor Trustee Document or Operative
     Document to which it or he is a party.

               (b)  It is expressly understood and agreed by and
     among all of the parties hereto that, except as otherwise
     expressly provided herein or in any other Operative Document
     (including, without limitation, subsection (c) of this Section
     17.10), (i) this Agreement is executed and delivered by The
     Bank of New York and Clark not in its or his individual
     capacity but solely as trustee under the Indenture in the
     exercise of the power and authority conferred and vested in it
     as such Indenture Trustee, (ii) certain of the representations,
     undertakings and agreements made herein by the Indenture
     Trustee are not personal representations, undertakings and
     agreements, but are binding only on the Indenture Trustee, as
     Trustee, (iii) except as set forth in the proviso to this
     sentence, nothing herein contained shall be construed as
     creating any liability of Clark or The Bank of New York or any
     incorporator or any past, present or future subscriber to the
     capital stock of, or stockholder, officer or director of, The
     Bank of New York to perform any covenant, whether express or
     implied, contained herein, all such liability, if any, being
     expressly waived by each of the other parties hereto and by any
     Person claiming by, through or under any such party, and (iv)
     so far as the Indenture Trustee is concerned, each of the other
     parties hereto and any Person claiming by, through or under any
     such party shall (other than with respect to Claims arising
     from the willful misconduct or gross negligence of the
     Indenture Trustee and for failure of the Corporate Indenture
     Trustee to distribute funds in accordance with the terms of the
     Operative Documents) look solely to the Indenture Trustee, as
     trustee for the performance of any obligation under any of the
     instruments referred to herein; provided, however, that
     notwithstanding anything in this Section 17.10 to the contrary,
     The Bank of New York and Clark shall be liable (A) each in its
     or his individual capacity, in respect of its or his
     representations, warranties and agreements made in its
     individual capacity as expressly set forth herein (including,
     without limitation, in Sections 9 and 11) or in any other
     Operative Document to which it or he is a party or in any
     Officer's Certificate of The Bank of New York, made in its
     individual capacity delivered pursuant hereto, and (B) in its
     or his individual capacity for the consequences of its or his
     gross negligence or willful misconduct and for its or his
     failure to use ordinary care to disburse funds in accordance
     with any Operative Document to which it or he is a party.

               (c)  It is expressly understood and agreed by and
     among all of the parties hereto that, except as otherwise
     expressly provided herein (including, without limitation,
     subsection (b) of this Section 17.10), or in the Pass Through
     Trust Agreement, (i) this Agreement is executed and delivered
     by The Bank of New York, not in its individual capacity but
     solely as trustee under the Pass Through Trust Agreement in the
     exercise of the power and authority conferred and vested in it
     as the Pass Through Trustee, (ii) certain of the
     representations, undertakings and agreements made herein by the
     Pass Through Trustee are not personal representations,
     undertakings and agreements, but are binding only on the Pass
     Through Trustee, as trustee, (iii) except as set forth in the
     proviso to this sentence, nothing herein contained shall be
     construed as creating any liability of The Bank of New York, or
     any incorporator or any past, present or future subscriber to
     the capital stock of, or stockholder, officer or director of,
     The Bank of New York, to perform any covenant, whether express
     or implied, contained herein, all such liability, if any, being
     expressly waived by each of the other parties hereto and by any
     Person claiming by, through or under any such party, and (iv)
     so far as the Pass Through Trustee is concerned, each of the
     other parties hereto and any Person claiming by, through or
     under any such party shall (other than with respect to Claims
     arising from the willful misconduct or negligence of the Pass
     Through Trustee and for its failure to distribute funds in
     accordance with the terms of the Pass Through Trust Agreement)
     look solely to the Pass Through Trustee, as trustee for the
     performance of any obligation under any of the instruments
     referred to herein; provided, however, that notwithstanding
     anything in this Section 17.10 to the contrary, The Bank of New
     York, shall be liable (A) in its individual capacity, in
     respect of the representations, warranties and agreements of
     the Pass Through Trustee made in its individual capacity as
     expressly set forth herein (including, without limitation, in
     Sections 7 and 11) or in the Pass Through Trust Agreement or in
     any Officer's Certificate made in its individual capacity
     delivered pursuant hereto, and (8) in its individual capacity
     for the consequences of its own negligence or willful
     misconduct and for its failure to use ordinary care to disburse
     funds in accordance with the Pass Through Trust Agreement.  

               17.11  Jurisdiction; Service of Process; Waiver of
     Jury Trial.  Any legal action or proceeding with respect to
     this Agreement or any other Operative Document to which any
     party hereto is a signatory or against any such party or
     against the Indenture Estate or Trust Estate may be brought, at
     the option of any such party, in any of the courts in the State
     of New York or the Federal courts of the United States of
     America located in The City of New York, and each party hereto
     hereby unconditionally accepts the nonexclusive jurisdiction of
     the aforesaid courts, expressly waiving any other jurisdiction
     to which any such party may be entitled by reason of its
     present and future domicile.  Each party hereto irrevocably
     waives any objection it may now or hereafter have to the laying
     of venue of any such action or proceeding in any of the
     aforesaid courts and any claim it may now or hereafter have
     that any such action or proceeding has been brought in an
     inconvenient forum.  Each party hereto further irrevocably
     consents to the service of process out of any of the aforesaid
     courts in any such action or proceeding by the mailing of
     copies thereof by registered or certified mail to such party's
     address for notices specified herein.  Nothing herein shall
     affect the right to serve process in any other manner permitted
     by law.  Each party hereto hereby waives any right to trial by
     jury in any suit, action or proceeding arising out of any
     Operative Document.

               17.12  Instructions.  By their respective execution
     and delivery of this Agreement, each of the Owner Participant
     and the Pass Through Trustee hereby instructs the Grantor
     Trustee and the Indenture Trustee to execute and deliver this
     Agreement.
<PAGE>
<PAGE>
               IN WITNESS WHEREOF, the parties hereto have each
     caused this Agreement to be duly executed as of the date first
     above written.

     LESSEE:                       ENSERCH EXPLORATION, INC.
     


                                   By: /s/ J. T. Leary
                                   Name:  J. T. Leary    
                                   Title: Vice President, Finance
                                          and Treasurer

     OWNER PARTICIPANT:            COOPER PROJECT, L.L.C.
     


                                   By:  /s/ M. C. Buchanan
                                   Name:  M. C. Buchanan
                                   Title: Vice President

     CORPORATE GRANTOR TRUSTEE:    WILMINGTON TRUST COMPANY, not
                                   in its individual capacity,
                                   except as provided herein, but
                                   solely as Corporate Grantor
                                   Trustee
     


                                   By: /s/ Thomas P. Laskaris
                                   Name:  Thomas P. Laskaris
                                   Title: Vice President

     INDIVIDUAL GRANTOR TRUSTEE:   THOMAS P. LASKARIS, not in his
                                   individual capacity, except as
                                   provided herein, but solely as
                                   Individual Grantor Trustee
     

                                    /s/ Thomas P. Laskaris

     CORPORATE INDENTURE            THE BANK OF NEW YORK, not in
     TRUSTEE:                       its individual capacity, 
                                    except as provided herein, but
                                    solely as Corporate Indenture
                                    Trustee
     
                                    By:  /s/ Stephen J. Giorlando
                                    Name:  Stephen J. Giorlando              
                                    Title: Assistant Vice President
                             
     INDIVIDUAL INDENTURE           FREDERICK W. CLARK, not in his
     TRUSTEE:                       individual capacity, except as
                                    provided herein, but solely as
                                    Individual Indenture Trustee
     
      
                                    /s/ Frederick W. Clark

     PASS THROUGH TRUSTEE:          THE BANK OF NEW YORK, not in
                                    its individual capacity, except
                                    as provided herein, but solely
                                    as Pass Through Trustee
     
     
                                    By: /s/ Stephen J. Giorlando
                                    Name:  Stephen J. Giorlando
                                    Title: Vice President


<PAGE>
               PRODUCTION SYSTEM LEASE AGREEMENT
                            (1996-A)
 
                          dated as of
                       November 15, 1996
 
                             among
 
                   WILMINGTON TRUST COMPANY,
 not in its individual capacity but solely
 as Corporate Grantor Trustee under the Trust Agreement,
 
                              and
 
                      THOMAS P. LASKARIS,
 not in his individual capacity but solely
 as Individual Grantor Trustee under the Trust Agreement,
 
                            Lessor
                               
                              and
                               
                  ENSERCH EXPLORATION, INC.,
                            Lessee
                                
 Lease of an Undivided Interest in an Oil and Gas Production System.
 
 AS SET FORTH IN SECTION 14.1 OF THIS LEASE, CERTAIN OF THE RIGHT, TITLE AND
 INTEREST OF THE LESSOR IN AND TO THIS LEASE HAS BEEN ASSIGNED TO AND IS
 SUBJECT TO A SECURITY INTEREST IN FAVOR OF THE BANK OF NEW YORK, AS
 INDENTURE TRUSTEE, UNDER THE TRUST INDENTURE, MORTGAGE, ASSIGNMENT OF LEASE
 AND SECURITY AGREEMENT (1996-A) DATED AS OF NOVEMBER 15, 1996 BETWEEN THE
 LESSOR AND THE INDENTURE TRUSTEE, AS SUCH INDENTURE MAY BE AMENDED,
 MODIFIED OR SUPPLEMENTED FROM TIME TO TIME IN ACCORDANCE WITH THE
 PROVISIONS THEREOF.  THIS LEASE HAS BEEN EXECUTED IN SEVERAL COUNTERPARTS. 
 TO THE EXTENT, IF ANY, THAT THIS LEASE CONSTITUTES CHATTEL PAPER (AS SUCH
 TERM IS DEFINED IN THE UNIFORM COMMERCIAL CODE AS IN EFFECT IN ANY
 APPLICABLE JURISDICTION), NO SECURITY INTEREST IN THIS LEASE MAY BE CREATED
 THROUGH THE TRANSFER OR POSSESSION OF ANY EXECUTED COUNTERPART OTHER THAN
 THE ORIGINAL EXECUTED COUNTERPART, WHICH SHALL BE IDENTIFIED AS THE
 COUNTERPART THAT CONTAINS THE RECEIPT THEREFOR EXECUTED BY THE INDENTURE
 TRUSTEE ON OR IMMEDIATELY FOLLOWING THE SIGNATURE PAGE THEREOF.

<PAGE>
                        TABLE OF CONTENTS

<TABLE>
<CAPTION>  
                                                                       Page
 <S>                                                                   <C>
                               
 SECTION 1.  DEFINITIONS; INTERPRETATION                                 1

 SECTION 2.  LEASE OF UNDIVIDED INTEREST; ETC.                           2

              2.1.  Undivided Interest                                   2
              2.2.  Personal Property                                    2
              2.3.  Description                                          3
 
SECTION 3.  RENT                                                         3

              3.1.  Basic Rent                                           3
              3.2.  Supplemental Rent                                    3
              3.3.  Method of Payment                                    3
              3.4.  Late Payment                                         4
              3.5.  Minimum Payment                                      4
              3.6.  Net Lease; No Setoff; Etc.                           4
              3.7.  Premium                                              6
              3.8.  Applicability of Payments from Credit Support        6

SECTION 4.  RECOMPUTATION OF BASIC RENT, STIPULATED LOSS
            VALUE, TERMINATION VALUE, EARLY BUY-OUT
            PERCENTAGES AND FIXED PRICE PURCHASE AMOUNT                  6

              4.1.  Adjustments to Rent Percentages                      6
              4.2.  Limitations on Adjustments                           8
              4.3.  Timing of Adjustments                                9
              4.4.  Confirmation of Adjustments                          9
              4.5.  Further Assurances                                  10

SECTION 5.  RENEWAL                                                     10

              5.1.  Renewal Terms                                       10
              5.2.  Rent                                                11
              5.3.  Notice; Determination of Fair Market Sales Value;
              Determination of Fair Market Rental Value                 11
              5.4.  Stipulated Loss Value Percentages andT
                    Termination Value Percentages                       12

SECTION 6.  PURCHASE; OPTIONS                                           13

              6.1.  Purchase Options                                    13
              6.2.  Notice of Election; Manner of Purchase; 
                    Transfer After Purchase                             14
              6.3.  Assumption of Secured Notes                         17

SECTION 7.  EARLY TERMINATION                                           17

              7.1.  Decision                                            17
              7.2.  Notice of Termination                               18
              7.3.  Sale of Undivided Interest or 
                    Significant Portion; Termination Payment            19
              7.4.  Retention of Undivided Interest by Lessor           23
              7.5.  Calculation of Original Cost                        24

SECTION 8.  RELINQUISHMENT OF POSSESSION AND USE OF
            UNDIVIDED INTEREST                                          25

              8.1.  Return of Undivided Interest                        25

SECTION 9.  QUIET USE AND  ENJOYMENT; DISCLAIMER OF
            WARRANTIES                                                  26

              9.1.  Quiet Use and Enjoyment                             26
              9.2.  Disclaimer of Warranties                            27
              9.3.  Enforcement of Warranties                           29

SECTION 10.  LIENS                                                      29

SECTION 11.  OPERATION AND MAINTENANCE; INSPECTION;
             MODIFICATIONS; REPLACEMENTS; PERSONNEL;
             SALVAGE; FUEL; IDENTIFICATION                              29

              11.1.  Operation and Maintenance                          29
              11.2.  Inspection and Reports                             31
              11.3.  Required Modifications                             31
              11.4.  Optional Modifications                             31
              11.5.  Title to Modifications; Purchase Option 
                     for Severable Modifications                        32
              11.6.  Payment for Modifications and Replacement
                     Components                                         33
              11.7.  Replacement of Components; Title to 
                     Components; Removal of Property                    34
              11.8.  Employment of Personnel                            35
              11.9.  Salvage                                            35
              11.10.  Fuel, Oil, Etc.                                   35
              11.11.  Identification of Platform                        35
              11.12.  Reports With Respect to the Production System     36
              11.13.  Required Filings                                  37
              11.14.  Repair of Production System                       37

SECTION 12.  EVENT OF LOSS                                              37

              12.1.  Notice of Event of Loss                            37
              12.2.  Payment of Stipulated Loss Value, Etc.             37
              12.3.  Application of Other Payments upon the 
                     Occurrence of an Event of Loss                     44
              12.4.  Allocation of Payments Not Relating to 
                     an Event of Loss                                   44
              12.5.  Other Dispositions                                 45

SECTION 13.  INSURANCE                                                  45

              13.1.  Coverage                                           45
              13.2.  Adjustment of Losses                               47
              13.3.  Application of Insurance Proceeds                  47
              13.4.  Additional Insurance                               48
              13.5.  Annual Insurance Report                            48

SECTION 14.  RIGHTS TO ASSIGN OR LEASE; LEASEHOLD MORTGAGE
             PROVISIONS                                                 48

              14.1.  Assignment by Lessor; Security for 
                     Lessor's Obligations to Indenture Trustee          48
              14.2.  Assignment and Sublease by Lessee                  49

SECTION 15.  LEASE EVENTS OF DEFAULT                                    51
              SECTION 16.  REMEDIES                                     53
              16.1.  In General                                         53
              16.2.  Continuing Obligations                             58
              16.3.  Remedies Cumulative                                58

SECTION 17.  NOTICES                                                    59

SECTION 18.  RIGHT TO PERFORM FOR LESSEE                                59

               18.1.  Lessor's Right to Perform                         59

SECTION 19.  MISCELLANEOUS                                              59

              19.1.  Amendments in Writing                              59
              19.2.  Severability of Provisions                         59
              19.3.  GOVERNING LAW                                      60
              19.4.  Headings                                           60
              19.5.  Counterpart Execution                              60
              19.6.  Successors and Assigns                             60
              19.7.  Investment of Security Funds                       60
              19.8.  Immunities; Satisfaction of Undertakings; 
                     Successor Grantor Trustee                          61
              19.9.  Performance of Obligations to Indenture 
                     Trustee and Holders                                62
              19.10.  True Lease                                        62
              19.11.  Survival of Agreements                            62

</TABLE>

SCHEDULE 1    Basic Rent Percentages
SCHEDULE 1A   Fixed Renewal Rent
SCHEDULE 2    Stipulated Loss Value Percentages
SCHEDULE 3    Termination Value Percentages
SCHEDULE 4    Early Buy-Out Percentages
SCHEDULE 5    Special Purchase Option Dates
SCHEDULE 6    Lessor's Cost
                
EXHIBIT A     Description of Production System
EXHIBIT B     Description of Undivided Interest in Production System
EXHIBIT C     Description of Federal Leases
EXHIBIT D     Form of Lease Supplement No. 1

<PAGE>
<PAGE>

               PRODUCTION SYSTEM LEASE AGREEMENT
                           (1996-A)

      BE IT KNOWN, that on the date hereinafter set forth, before me, the
undersigned Notary Public, duly commissioned and qualified in and for the
State of New York, and in the presence of the undersigned, competent
witnesses, personally came before me and appeared:  WILMINGTON TRUST
COMPANY, a Delaware banking corporation, having a taxpayer identification
number of 51-6506274 and an address at Rodney Square North, 1100 North
Market Street, Wilmington, Delaware 19890-0001, not in its individual
capacity but solely as Corporate Grantor Trustee under the Trust Agreement
(together with its successors and permitted assigns, the "Corporate Grantor
Trustee") and THOMAS P. LASKARIS, an individual having a taxpayer
identification number of 221-228535 and an address at Rodney Square North,
1100 North Market Street, Wilmington, Delaware 19890-0001, not in his
individual capacity but solely as Individual Grantor Trustee under the Trust
Agreement (together with its successors and permitted assigns, the "Individual
Grantor Trustee" and together with the Corporate Grantor Trustee, the
"Grantor Trustee"), as lessor (together with their respective successors and
permitted assigns, the "Lessor") and ENSERCH EXPLORATION, INC., a Texas
corporation, having a taxpayer identification number of 75-2556978 and an
address at 4849 Greenville Avenue, Suite 1200, Dallas, Texas 75206-4186,
as lessee (together with its successors and permitted assigns, the "Lessee"),
who each being duly sworn, did declare and say as follows:

                     W I T N E S S E T H :

       WHEREAS, pursuant to this Lease, the Lessor desires to lease the
 Undivided Interest to the Lessee and the Lessee desires to lease the 
 Undivided Interest from the Lessor;

       NOW, THEREFORE, in consideration of the mutual agreements
 herein contained and other good and valuable consideration, the receipt and
 sufficiency of which are hereby acknowledged, the parties hereto agree as
 follows:

             SECTION 1.  DEFINITIONS; INTERPRETATION.
 
      For the purposes hereof, capitalized terms used herein (including
 those used in the preamble and in the foregoing recitals) and not otherwise
 defined herein shall have the meanings assigned to them in Appendix A, which
 Appendix A shall for all purposes constitute part of this Agreement and shall
 be subject to amendment in accordance with the terms hereof.  References in
 this Lease to Sections, subsections, Schedules, Appendices and Exhibits are to
 Sections and subsections of, and Schedules, Appendices and Exhibits to, this
 Lease unless otherwise indicated.

            SECTION 2.  LEASE OF UNDIVIDED INTEREST; ETC.

      2.1.  Undivided Interest.  Upon the terms and  subject to the  
 conditions of this Lease, the Lessor agrees to lease and upon  
 delivery of Lease  Supplement No. 1 leases the Undivided Interest to the 
 Lessee, and the  Lessee  agrees to lease and upon acceptance of Lease  
 Supplement No. 1 leases the  Undivided Interest from the Lessor, for the 
 Interim Lease Term, the Basic Lease Term and, subject to the exercise by the 
 Lessee or the Lessor of the renewal option or options as provided in 
 Section 5, the Renewal Term or Renewal Terms.

       2.2.  Personal Property.  The parties hereto stipulate and agree
 that the Production System, the Undivided Interest and the Lessor's Share of
 all Modifications to the Production System and every portion thereof is
 severed, and shall be and remain severed, to the maximum extent permitted by
 law, from any real estate underneath the Production System, even if physically
 attached thereto.  To the maximum extent permitted by law, the parties agree
 that the Production System, the Undivided Interest and all such Modifications
 shall constitute personal property and shall not be or become fixtures or
 otherwise part of the real estate underneath the Production System or of any
 other real property.  The Lessee will not enter into or be a party to any lease
 or mortgage of any real property on which any portion of the Production System
 is or is to be located or enter into any other agreement which grants to any
 other Person any right to any portion of the Production System by reason of
 such portion being an accession to any real property owned by such Person to 
 the extent such lease or mortgage would constitute a Lien on the Production 
 System that is not a Permitted Lien.

      2.3.  Description.  The Production System is described in
 Exhibit A and the Undivided Interest is described in Exhibit B.

                             SECTION 3.  RENT.

      3.1.  Basic Rent.  The Lessee shall pay to the Lessor, as Basic
 Rent for the Undivided Interest, semiannual installments of rent on the Basic
 Rent Payment Dates during the Basic Lease Term.  Basic Rent with respect to
 any Renewal Term shall be payable as provided in Section 5.2.  Subject to
 adjustment as provided herein, each such installment of Basic Rent during the
 Basic Lease Term shall be in an amount equal to the percentage set forth in
 Schedule 1 opposite the applicable Basic Rent Payment Date multiplied by
 Lessor's Cost.  Each installment of Basic Rent shall be paid in advance or in
 arrears and shall apply to a specific semiannual period as specified in 
 Schedule 1.

       3.2.  Supplemental Rent.  The Lessee shall pay to the Lessor,
 for its own account, or to the Person entitled thereto, as provided herein or
 in any other Operative Document, any and all Supplemental Rent promptly as the
 same shall become due and payable, and in the event of any failure on the part
 of the Lessee to pay any Supplemental Rent, the Lessor shall have all rights,
 powers and remedies provided for herein in the case of nonpayment of Basic
 Rent.

       3.3.  Method of Payment.  Subject to Section 14.1, all Rent
 payable to the Lessor shall be paid to the Grantor Trustee's account specified
 in Schedule 1 to the Participation Agreement or to such other account at such
 other place as the Lessor shall specify in writing to the Lessee at least five
 Business Days prior to the due date thereof.  All Supplemental Rent payable to
 any Person other than the Lessor pursuant to any Operative Document shall be
 paid directly to such Person as provided in such Operative Document.  Each
 payment of Rent shall be made by the Lessee in immediately available funds, on
 or before 12:00 noon, local time at the place of receipt, on the scheduled
 date on which such payment shall be due, unless such scheduled date shall 
 not be a Business Day in which case such payment shall be due and payable on
 the next succeeding Business Day with the same force and effect as if made on 
 such scheduled date and (provided such payment is made on such next succeeding
 Business Day) no interest shall accrue on the amount of such payment from and
 after such scheduled date.

       3.4.  Late Payment.  If any Rent shall not be paid when due, the
 Lessee shall pay to the Lessor (or, in the case of Supplemental Rent, to the
 Lessor for its own account or to the Person entitled thereto as provided herein
 or in any other Operative Document), as Supplemental Rent, interest (to the
 extent permitted by law) on such overdue amount from and including the due date
 thereof to but excluding the date of payment thereof (unless payment is made
 after 12:00 noon, local time at the place of receipt, in which event such date
 of payment shall be included) at the Overdue Rate.

       3.5.  Minimum Payment.  Notwithstanding any other provision of
 this Lease (including, without limitation, Section 4) or any other Operative
 Document, (a) the amount of Basic Rent payable on each Basic Rent Payment
 Date and on the Basic Lease Term Commencement Date, as the same may be
 adjusted pursuant to Section 4 (excluding, in each case, any portion thereof
 constituting an Excepted Payment), shall be at least equal to the aggregate
 amount of scheduled principal and accrued interest due and payable on the
 Secured Notes Outstanding on such Basic Rent Payment Date and on the Basic
 Lease Term Commencement Date and (b) the amount of Stipulated Loss Value and
 Termination Value as of any date and the amount of the initial installment of
 the applicable Early Buy-Out Purchase Price as of the applicable Early Buy-Out 
 Date, as each such amount may be adjusted pursuant to Section 4, together
 with the Rent payable under this Lease on such date (excluding, in each case,
 any portion thereof constituting an Excepted Payment), shall be at least equal
 to the aggregate amount of principal and accrued interest which would be due 
 and payable on the Secured Notes Outstanding on such date assuming such date 
 or the applicable Early Buy-Out Date, as the case may be, was the date such 
 payment was due on the Secured Notes in respect of any payment by the Lessee of
 Stipulated Loss Value, Termination Value or Early Buy-Out Purchase Price.

       3.6.  Net Lease; No Setoff; Etc. This Lease is a net lease
 and, notwithstanding any other provision of this Lease, the obligation of the
 Lessee to pay Rent hereunder shall be absolute and unconditional and shall not
 be affected by any circumstance of any character, including, without
 limitation:  (a) counterclaim, setoff, deduction, defense, abatement,
 suspension, deferment, diminution or reduction; (b) any defect in the
 condition, design, quality or fitness for use of the Production System, or any
 part thereof or interest therein; (c) any damage to, removal, abandonment,
 salvage, loss, scrapping or destruction of or any requisition or taking of, the
 Undivided Interest, the Production System or any part thereof or interest
 therein; (d) any restriction, prevention, interruption or curtailment of or
 interference with any use, operation or possession of the Undivided Interest,
 the Production System or any part thereof or interest therein; (e) any defect
 in, or any Lien on, title to the Undivided Interest, the Production System or
 any part thereof or interest therein; (f) any change, waiver, extension,
 indulgence or other action or omission in respect of any obligation or 
 liability of the Lessee or the Lessor; (g) any bankruptcy, insolvency, 
 reorganization, composition, adjustment, dissolution, liquidation or other like
 proceeding relating to the Lessee, the Indenture Trustee, the Lessor, the Owner
 Participant, any Loan Participant, any Holder or any other Person, or any
 action taken with respect to this Lease by any trustee or receiver of any
 Person mentioned above, or by any court; (h) any claim that the Lessee has or
 might have against any Person, including, without limitation, the Indenture
 Trustee, any Loan Participant, the Lessor, the Owner Participant or any
 Holder (but this Section 3.6 shall not constitute a waiver of any such claim);
 (i) any failure on the part of the Lessor, the Indenture Trustee, the Owner
 Participant or any Loan Participant to perform or comply with any of the terms
 hereof or of any other agreement; (j) any invalidity or unenforceability or
 disaffirmance of this Lease or any provision hereof or any of the other
 Operative Documents, the Federal Leases, the Operating Agreement or any
 provision of any thereof, whether against or by the Lessee or otherwise; or
 (k) any other occurrence whatsoever, whether similar or dissimilar to the
 foregoing, whether or not the Lessee shall have notice or knowledge of any of
 the foregoing.  Except as expressly provided herein, the Lessee, to the extent
 permitted by law, waives all rights now or hereafter conferred by statute or
 otherwise to quit, terminate or surrender this Lease, or to any diminution or
 reduction of Rent payable by the Lessee hereunder.  All payments by the Lessee
 of Basic Rent or Stipulated Loss Value, Termination Value, any Early Buy-Out
 Purchase Price or Fixed Price Purchase Amount (or amounts payable by reference
 thereto) made hereunder as required hereby shall be final absent manifest
 error, and the Lessee shall not seek to recover any such payment or any part
 thereof for any reason whatsoever absent manifest error.  If this Lease shall
 be terminated in whole or in part for any reason whatsoever the Lessee shall,
 except as expressly provided herein, nonetheless pay to the Lessor (or, in the
 case of Supplemental Rent, to the Person entitled to such Supplemental Rent as
 specified herein or in the appropriate Operative Document) an amount equal to
 each Rent payment at the time and in the manner that such payment would have
 become due and payable under the terms of this Lease if it had not been
 terminated in whole or in part.  Nothing contained in this Section 3.6 shall
 be construed as (a) a guaranty of (i) the value of the Undivided Interest or
 the Production System upon the expiration or termination of the Basic Lease
 Term or any Renewal Term or (ii) the useful life of the Production System or
 (iii) payment of any of the Secured Notes or (b) a prohibition of assertion of
 any claim against any manufacturer, supplier, dealer, vendor, contractor,
 subcontractor or installer with respect to the Production System or (c) a
 waiver by the Lessee of its right to assert and sue upon any claims it may have
 against any other Person in one or more separate actions.

       3.7.  Premium.  The Lessee shall also pay on behalf of the Lessor
 as Supplemental Rent an amount on an After-Tax Basis equal to any amount
 payable by the Lessor as Premium as and when any such Premium shall be due and
 payable.

       3.8.  Applicability of Payments from Credit Support.  Drawings
 under any Letter of Credit and payments received by the Lessor or the Owner
 Participant in respect of any Surety Bond, in each case maintained as Credit
 Support, shall be applied against unpaid Rent to the extent of such drawing;
 provided that all such drawings shall be applied first to reduce the Lessee's
 obligation to pay the Equity Portion of Stipulated Loss Value then due, second
 to reduce the Lessee's obligation to pay the Equity Portion of Basic Rent then
 due and third to pay any other amounts of Supplemental Rent owing to the Lessor
 or the Owner Participant.

                SECTION 4.  RECOMPUTATION OF BASIC RENT,
                            STIPULATED LOSS VALUE, TERMINATION VALUE,
                            EARLY BUY-OUT PERCENTAGES AND FIXED PRICE
                            PURCHASE AMOUNT.

      4.1.  Adjustments to Rent Percentages.  (a)  If (i) the actual
 Closing Date is a date other than as set forth in Schedule 2 to the
 Participation Agreement, (ii) the actual amount of Transaction Expenses paid
 by the Lessor as a percentage of Lessor's Cost is other than as set forth in
 Schedule 2 to the Participation Agreement, (iii) the Owner Participant's Net
 Economic Return is affected by any amendment to the Code or the regulations
 (including proposed regulations to the extent the Owner Participant advises the
 Lessee of such amendment to proposed regulations in writing prior to the time
 of closing on the Closing Date) thereunder (other than the alternative minimum
 tax) that is enacted, adopted or promulgated (or, in the case of proposed
 regulations, proposed to be effective) on or prior to the Closing Date,
 (iv) the actual Debt Rate is other than as set forth in Schedule 2 to the
 Participation Agreement, (v) any other Pricing Assumption proves to be
 incorrect, (vi) the Secured Notes are refinanced or refunded at any time
 pursuant to Section 15 of the Participation Agreement, or (vii) Additional
 Notes are issued by the Lessor in connection with a Supplemental Financing of a
 Modification to the Production System pursuant to Section 14 of the
 Participation Agreement, then, in each case, subject to the following
 provisions of this Section 4 and to the provisions of Section 3.5, the Basic
 Rent Percentages shall be appropriately adjusted (A) in the case of an
 adjustment pursuant to clause (i), (iii), (iv) or (v) above, prior to the
 Closing Date and (B) in the case of an adjustment pursuant to clause (ii),
 (vi) or (vii) above, after the Closing Date, in each case so as to
 (x) preserve the Owner Participant's Net Economic Return, (y) to the extent
 consistent with clause (x), minimize the Net Present Value of Basic Rent, and
 (z) minimize the Termination Value Percentages and Stipulated Loss Value
 Percentages to the extent possible consistent with clauses (x) and (y) above.

       (b) At the sole request of the Lessee, any adjustment pursuant
 hereto may incorporate a revised amortization schedule for the Secured Notes,
 which amortization schedule shall be structured to preserve the Owner
 Participant's Net Economic Return while, to the extent consistent therewith,
 minimizing (to the greatest extent possible) the Net Present Value of Basic
 Rent in a manner consistent with the provisions of this Section 4.1.

       (c) In connection with any such adjustment to the Basic Rent
 Percentages made pursuant to this Section 4.1, appropriate corresponding
 adjustments shall be made to the Stipulated Loss Value Percentages (and a
 corresponding adjustment in the required amount of Credit Support), Termination
 Value Percentages and Early Buy-Out Percentages; provided that each Early
 Buy-Out Purchase Price shall not be reduced below the expected Fair Market
 Sales Value of the Undivided Interest as of the applicable Early Buy-Out Date
 as set forth in the Final Appraisal, or if the adjustment is more than one year
 after the Closing Date, in an appraisal delivered in connection with such
 adjustment.

       (d) On or prior to the time of closing on the Closing Date, the
 Basic Rent Percentages will be adjusted upward or downward to reflect tax law
 changes described in clause (iii) of Section 4.1(a), subject to the
 conditions therein.  If such adjustment results in an increase in the Net
 Present Value of Basic Rent of fifty (50) or more basis points, Lessee shall
 have the option to terminate this Lease.  In the event Lessee elects to
 terminate this Lease pursuant to this Section 4.1(d), Lessee shall be
 obligated to pay all Transaction Expenses and upon payment of such Transaction
 Expenses, this Lease and Lessee's obligations hereunder shall terminate.

       4.2.  Limitations on Adjustments.  (a)  Any adjustment of the
 Basic Rent Percentages pursuant to this Section 4 shall be computed by the
 Owner Participant in a manner so as to satisfy the requirements of (i)
 Section 3.5 hereof and (ii) Revenue Procedures 75-21 and 75-28 (to the
 extent then in effect) and Section 467 of the Code and any regulations
 effective or proposed thereunder and shall not cause this Lease to be a
 "disqualified leaseback or long-term agreement" within the meaning of Section
 467 of the Code and such regulations; provided that, subject to Section 12.4
 of the Participation Agreement, the requirements of Section 4.08 of Revenue
 Procedure 75-28 (to the extent then in effect) shall be applied, in the case
 of any adjustment pursuant to Section 4.1, on a prospective basis taking into
 consideration only Basic Rent payable by the Lessee from and including the
 first Basic Rent Payment Date as of which the adjustment takes effect.

       (b) In making any adjustment pursuant to this Section 4, each of
 the Pricing Assumptions and the other assumptions and methods of calculation
 employed in the calculation of the Basic Rent Percentages, Stipulated Loss
 Value Percentages, Termination Value Percentages, Early Buy-Out Percentages
 and Fixed Price Purchase Amount as reflected in Schedule 2 to the
 Participation Agreement, other than Pricing Assumptions and such other
 assumptions that have changed or proven to be incorrect (as such pricing
 assumptions shall have been modified by previous adjustments under this Section
 4) shall be used consistently in such adjustment subject to the constraints
 specifically provided herein.

       (c) In the case of any adjustment made pursuant to clause (vii)
 of Section 4.1(a), Basic Rent shall be increased by an amount at least
 sufficient to repay the principal of, and interest on, such Additional Notes
 over the term of such Additional Notes.

       4.3.  Timing of Adjustments.  All adjustments to be made pursuant
 to this Section 4 shall be made as soon as practicable after the event giving
 rise to the adjustment and shall in each case be made in respect of 
 installments of Basic Rent becoming due on and after the date such adjustment 
 is made; provided that all adjustments to the Stipulated Loss Value 
 Percentages, Termination Value Percentages and Early Buy-Out Percentages shall 
 be effective immediately.

       4.4.  Confirmation of Adjustments.  (a)  The amount of any
 adjustment pursuant to this Section 4 shall be determined by the Owner
 Participant, which shall provide to the Lessee, the Lessor and the Indenture
 Trustee notice of such adjustment accompanied by an Officer's Certificate of
 the Owner Participant, which Officer's Certificate shall set forth the amount
 of and the reason for any such adjustment and which shall confirm that such
 adjustment was made in accordance with the provisions of this Section 4.  Such
 adjustment shall become effective as of the date therein set forth (determined
 in accordance with Section 4.3 (subject to later revision, if any, pursuant to
 Section 4.4(b))) upon delivery by the Owner Participant to the Lessee of such
 notice and Officer's Certificate.

       (b) Within 20 Business Days after receipt of such certificate,
 the Lessee may request that such adjustment be verified by a nationally
 recognized, independent public accounting firm selected by Owner Participant
 and reasonably acceptable to the Lessee.  In such verification process pursuant
 to the preceding sentence, such accounting firm shall be given access by the
 Owner Participant to the assumptions, methods, computations, programs and files
 utilized by the Owner Participant in calculating such proposed adjustment and
 employed in the calculation of the Basic Rent Percentages, Stipulated Loss
 Value Percentages, Termination Value Percentages, Early Buy-out Percentages
 and Fixed Price Purchase Amount, subject to the execution of such
 confidentiality agreements as the Owner Participant shall reasonably request
 (which agreements shall prohibit disclosure of the Owner Participant's
 assumptions, methodology, programs or files to any third party, including the
 Lessee).  Such independent accounting firm shall be entitled only to verify the
 mathematical calculations made by the Owner Participant and shall not be
 entitled to interpret the provisions of this Lease.  Under no circumstances
 shall such independent public accounting firm or any other Person be entitled 
 to review the tax returns of the Owner Participant.  Any revised adjustment
 resulting from such verification shall become effective on the next Basic Rent
 Payment Date after such verification has been concluded, and shall take into
 account any underpayment or overpayment resulting from an earlier effectiveness
 of the original adjustment.

       (c) Such verification by such accounting firm shall be at the
 expense of the Lessee unless such verified adjustment results in a readjustment
 in favor of the Lessee that exceeds ten (10) basis points in the Net Present
 Value of Basic Rent (as a percentage of Lessor's Cost), in which case such
 verification shall be at the expense of the Owner Participant.  Such
 determination by the Owner Participant, or, if so requested in accordance with
 Section 4.4(b), such verified adjustment, as the case may be, shall be
 conclusive and binding.

       4.5.  Further Assurances.  At the time any adjustment is made
 pursuant to this Section 4, the parties hereto shall, at the Lessee's expense,
 enter into a supplement to this Lease to reflect such adjustment and shall 
 enter into such amendments and supplements to the other Operative Documents and
 do such further acts as may be reasonably required in order to effectuate such
 adjustment; provided that such adjustment shall become effective as provided in
 Section 4.4 without regard to the date on which such supplement to this Lease
 is executed and delivered.

                        SECTION 5.   RENEWAL.

      5.1.  Renewal Terms.  (a)  The Lessee shall have the right to
 renew this Lease for up to three (3) successive Fair Market Renewal Terms as
 follows:

 (i)at the end of the Basic Lease Term for a Fair Market Renewal Term; and
 (ii)at the end of any Renewal Term for an additional Fair Market Renewal Term;
 provided that (x) the term of any Fair Market Renewal Term shall be for a
 period of not less than one (1) year each, (y) the aggregate of all Renewal
 Terms shall not exceed five (5) years.  It shall be a condition to the renewal
 of this Lease for any Renewal Term that no Lease Default described in
 paragraphs (a), (b), (c) or (g) of the definition of Lease Event of Default
 in Section 15 and no Lease Event of Default shall have occurred and be
 continuing at the commencement of such Renewal Term.
 
      (b) The Lessor shall have the right to require the Lessee to
 renew this Lease for a Fixed Rate Renewal Term.  The exercise of this right by
 the Lessor shall override any elections made by the Lessee under this Lease,
 including without limitation any "irrevocable" election, other than the
 Lessee's election to exercise its purchase option pursuant to Section 6.1(b).
 5.2.  Rent5.2.  Rent .  All of the terms and provisions of this Lease shall
 be applicable during any Renewal Term, except that (1) the Lessee shall pay to
 the Lessor as Basic Rent in arrears on each Basic Rent Payment Date during any
 Fair Market Renewal Term an amount equal to the Fair Market Rental Value of
 the Undivided Interest, as determined in accordance with Section 5.3, (2) the
 Lessee shall pay to the Lessor as Basic Rent in arrears on each Basic Rent
 Payment Date during the Fixed Rate Renewal Term an amount equal to the
 percentage set forth in Schedule 1A opposite the applicable Basic Rent Payment
 Date multiplied by Lessor's Cost and (3) Stipulated Loss Values and
 Termination Values during any such Renewal Term shall be calculated as set
 forth in Section 5.4.

       5.3.  Notice; Determination of Fair Market Sales Value;
 Determination of Fair Market Rental Value.  (a)  At any time at least 365
 days (in the case of the Basic Lease Term) or 210 days (in the case of any
 Renewal Term) if applicable, but in each case not more than 590 days prior to
 the expiration of the Basic Lease Term or any Renewal Term, the Lessee shall
 give to the Lessor irrevocable notice (the "Preliminary Notice") of its
 election to exercise its renewal option pursuant to Section 5.1(a) or a
 purchase option pursuant to Section 6.1(a) or Section 6.1(b).  At any time
 at least 180 days (in the case of the Basic Lease Term) or 90 days (in the
 case of any Renewal Term), if applicable, the Lessee shall give to the Lessor
 irrevocable notice (the "Final Notice") specifying which such option it is
 exercising.  Promptly after receipt by the Lessor of the Preliminary Notice,
 the Lessee and the Lessor shall attempt to agree upon the Fair Market Sales
 Value of the Undivided Interest as of such expiration or, if requested by the
 Lessee, the Fair Market Rental Value of the Undivided Interest as of such
 expiration.  If the Lessor and the Lessee shall fail to agree within 30 days
 after the giving of such Preliminary Notice, such amounts shall be determined
 pursuant to the Appraisal Procedure.  Failure by the Lessee to provide any
 Preliminary Notice referred to in this Section 5.3 within the applicable time
 periods specified herein shall be deemed to constitute an irrevocable election
 by the Lessee not to exercise its renewal option pursuant to Section 5.1(a) or
 its purchase options pursuant to Sections 6.1(a) and 6.1(b).  If the Lessee
 fails to give the Final Notice within the time period specified above, it shall
 be deemed to have elected to exercise its purchase option pursuant to Section
 6.1(b).

       (b) At any time after the latest date upon which the Lessee may
 elect to exercise its renewal option for a Fair Market Renewal Term commencing
 at the end of the Basic Lease Term pursuant to Section 5.1 or its purchase
 option pursuant to Section 6.1(a), the Lessor  may provide to the Lessee
 notice of its irrevocable election to exercise its option to renew this Lease
 for the Fixed Rate Renewal Term.

      5.4.  Stipulated Loss Value Percentages and Termination Value Percentages.
 Concurrently with the Lessee's exercise of an option to renew
 this Lease pursuant to Section 5.1, Schedules 2 and 3 shall be modified by
 the Owner Participant in order to provide for Stipulated Loss Values and
 Termination Values for the Undivided Interest applicable during the applicable
 Renewal Term.  Such Stipulated Loss Values and Termination Values shall be
 reduced on a straight line basis for the remaining useful life of the 
 Production System (i) in the case of a renewal pursuant to Section 5.1(a), from
 the Fair Market Sales Value of the Undivided Interest as of beginning of the 
 Renewal Term to the net salvage value of the Undivided Interest at the end of 
 the estimated useful life of the Production System (each as determined in
 accordance with Section 5.3 and, if applicable, the Appraisal Procedure) and
 (ii) in the case of a renewal pursuant to Section 5.1(b), from the greater of
 (1) the Fair Market Sales Value of the Undivided Interest as of the beginning
 of the Renewal Term (as determined in accordance with Section 5.3 and, if
 applicable, the Appraisal Procedure) and (2) the Stipulated Loss Values and
 Termination Values as of the date of expiration of the Basic Lease Term to the
 net salvage value of the Undivided Interest at the end of the estimated useful
 life of the Production System (as determined in accordance with Section 5.3
 and, if applicable, the Appraisal Procedure).

                  SECTION 6.    PURCHASE; OPTIONS.

      6.1.  Purchase Options.  Subject to Sections 6.2 and 6.3, the
 Lessee shall have the right to purchase (or, in the case of Section 6.1(g)
 shall purchase) all, but not less than all, of Lessor's right, title and
 interest in and to the Undivided Interest:

      (a)   on the date of expiration of the Basic Lease Term or any
     Renewal Term, at a purchase price equal to the Fair Market Sales Value of
     the Undivided Interest as of such date;
      
      (b)  on the date of expiration of the Basic Lease Term, at a
     purchase price equal to the Fixed Price Purchase Amount;
      
      (c)  on any Early Buy-Out Date, at a purchase price equal to the
     applicable Early Buy-Out Purchase Price;
      
      (d)  on any Special Purchase Option Date, at a purchase price equal
     to the greater of (i) the Termination Value for the Undivided Interest as
     of such Special Purchase Option Date and (ii) the Fair Market Sales Value
     of the Undivided Interest as of such Special Purchase Option Date; 
      
      (e)  if the Lessee shall have notified the Lessor, pursuant to
     Section 11.6(b), that it intends to make (or cause or allowed to be made)
     any Modification or series of related Modifications to the Production
     System with an estimated cost applicable to the Undivided Interest in
     excess of $15,000,000 (such Modification or series of related
     Modifications a "Major Modification") and (x) such Major Modification is
     not to be financed pursuant to a Supplemental Financing, or (y) such Major
     Modification is prohibited by the terms of this Lease, on any Stipulated
     Loss Value Determination Date occurring within one year following the 
     expiration of the 45 day period following the giving of such notice 
     pursuant to Section 11.6(b), at a purchase price equal to the greater of 
     (A) the Stipulated Loss Value for the Undivided Interest as of such date 
     and (B) the Fair Market Sales Value of the Undivided Interest as of such 
     date (without regard to any such proposed Modification or Modifications);
      
      (f)  if the Owner Participant becomes a Competitor of the Lessee,
     on any Stipulated Loss Value Determination Date occurring within one year
     following the occurrence of such event, at a purchase price equal to the
     greater of (A) the Stipulated Loss Value for the Undivided Interest as of
     such Stipulated Loss Value Determination Date and (B) the Fair Market
     Sales Value of the Undivided Interest as of such date; or
      
      (g)  if the Owner Participant or the Lessor shall have drawn on the
     Letter of Credit (or any other letter of credit naming the Lessor and/or
     the Owner Participant as a beneficiary as contemplated by Section 10.14 of
     the Participation Agreement) or shall have received payment under the
     Surety Bond (or any other surety bond held by the Lessor and/or the Owner
     Participant as contemplated by Section 10.14 of the Participation
     Agreement), on the first Stipulated Loss Value Determination Date at least
     30 days following such drawing or payment at a purchase price equal to the
     Stipulated Loss Value for the Undivided Interest as of such date.

      6.2.  Notice of Election; Manner of Purchase; Transfer After Purchase.  
 (a)  Notice of an election to exercise a purchase option pursuant to
 Section 6.1(a) or (b) shall be given in the manner provided in Section 5.3.
 
      (b) In order to exercise its purchase option pursuant to Section
 6.1(c), the Lessee shall, at least 90 days but not more than 545 days prior
 to the Early Buy-Out Date, give irrevocable notice to the Lessor in writing of
 its election to exercise its purchase option.

       (c) In order to exercise its purchase option pursuant to Section
 6.1(d), the Lessee shall notify the Lessor in writing at least 180 days but
 not more than 545 days prior to the applicable Special Purchase Option Date
 that it desires to obtain an appraisal of the Fair Market Sales Value of the
 Undivided Interest as of such Special Purchase Option Date.  Promptly
 thereafter, the Lessee and the Lessor shall attempt to agree upon such Fair
 Market Sales Value.  If the Lessee and the Lessor shall fail to agree within
 30 days after the giving of such notice, such Fair Market Sales Value shall be
 determined pursuant to the Appraisal Procedure.  At least 90 days prior to the
 applicable Special Purchase Option Date, the Lessee shall, provide to the
 Lessor (i) notice of its irrevocable election to exercise its purchase option
 pursuant to Section 6.1(d) or (ii) notice of its irrevocable election not to
 exercise such option.

       (d) In order to exercise its purchase option pursuant to Section
 6.1(e) or (f), the Lessee shall notify the Lessor and the Indenture Trustee
 in writing (i) in the case of an exercise of its purchase option pursuant to
 Section 6.1(e), no earlier than the expiration of the 45 day period following
 the giving of the notice referred to in Section 6.1(e) and (ii) in the case of
 an exercise of its purchase option pursuant to Section 6.1(f), no later than
 90 days following the earlier of (x) receipt by the Lessee of a written notice
 from the Owner Participant that it has become a Competitor of the Lessee and
 (y) the date Lessee obtains Actual Knowledge that the Owner Participant has
 become a Competitor of the Lessee, that the Lessee desires to obtain an
 appraisal of the Fair Market Sales Value of the Undivided Interest as of the
 applicable Stipulated Loss Value Determination Date (in the case of an
 election pursuant to Section 6.1(e), without regard to the proposed
 Modification or Modifications).  Promptly after the giving of such notice, the
 Lessee and the Lessor shall attempt to agree upon such Fair Market Sales
 Value.  If the Lessee and the Lessor shall fail to agree within 30 days after
 the giving of such notice, such Fair Market Sales Value shall be determined
 pursuant to the Appraisal Procedure.  On the second Stipulated Loss Value
 Determination Date following completion of the Appraisal Procedure, the Lessee
 shall provide to the Lessor (i) notice of its irrevocable election to exercise
 its option to purchase the Undivided Interest specifying whether such option is
 being exercised pursuant to Section 6.1(e) or (f) and the applicable
 Stipulated Loss Value Date, or (ii) notice of its irrevocable election not to
 exercise such option.
      
       (e) The drawing on the Letter of Credit (or letter of credit)
 or payment under the Surety Bond (or surety bond) referred to in Section
 6.1(g) shall constitute the irrevocable exercise of the purchase option
 pursuant to Section 6.1(g) and the drawings under such Letter of Credit (or
 letter of credit) or payments in respect of such Surety Bond (or surety bond)
 shall be applied in accordance with Section 3.8 on the applicable Stipulated
 Loss Value Determination Date.

      (f) On the date of purchase of all of Lessor's right, title and
 interest in and to the Undivided Interest pursuant to this Section 6, the
 Lessor shall transfer all right, title and interest of the Lessor in and to the
 Undivided Interest, as is and where is, to the Lessee, free and clear of
 Lessor's Liens and Owner Participant's Liens but otherwise without any
 representation or warranty, upon payment to the Lessor of the purchase price
 therefor, together with (i) all Basic Rent due and owing on or prior to such
 date of purchase (but excluding any Basic Rent payable in advance on such date
 of purchase) and (ii) all Supplemental Rent due and owing on or prior to such
 date of purchase and any accrued other Supplemental Rent as to which there is
 no dispute, and the Lessor shall, at the Lessee's expense, execute and deliver
 to the Lessee a bill of sale or assignment and such other instruments,
 documents and opinions as the Lessee may reasonably request to evidence the
 valid consummation of such transfer and shall, at the Lessee's expense, take
 such actions under Section 6.03 of the Indenture as the Lessee may reasonably
 request.
  
       (g) Failure by the Lessee to provide any initial notice or
 subsequent confirmatory, notice referred to in subsections (c) or (d) of this
 Section 6.2 within the applicable time periods specified therein shall be
 deemed to constitute an irrevocable election by the Lessee not to exercise the
 applicable purchase option set forth therein.

       6.3.  Assumption of Secured Notes.  Notwithstanding the
 provisions of Sections 6.1 and 6.2 and subject to compliance with Section
 3.04 of the Indenture, if in connection with a purchase by the Lessee of all
 of Lessor's right, title and interest in and to the Undivided Interest pursuant
 to Section 6.1(c), 6.1(d), 6.1(e), 6.1(f) or 6.1(g), as the case may
 be, the Lessee shall assume the Secured Notes pursuant to Section 11.6 of the
 Participation Agreement, the obligation of the Lessee to pay the purchase price
 pursuant to Section 6.1(c), 6.1(d), 6.1(e), 6.1(f) or 6.1(g), as the
 case may be, shall be satisfied by such assumption of the Secured Notes to the
 extent of the principal amount of and accrued but unpaid interest (other than
 overdue interest), if any, on the Secured Notes so assumed and payment of the
 remaining portion of the purchase price in cash.

                        SECTION 7.  EARLY TERMINATION.

      7.1.  Decision.  If (i) the President or Chief Financial Officer
 of the Lessee shall have determined in good faith that the Undivided Interest
 or any Significant Portion thereof is obsolete, uneconomic or surplus to the
 needs of the Lessee for any reason (including, without limitation, by reason of
 burdensome Governmental Rules) or (ii) the Lessee shall have determined to
 withdraw from or terminate the Operating Agreement, then the Lessee may elect
 to terminate this Lease with respect to the Undivided Interest or such
 Significant Portion of the Undivided Interest, as the case may be, in
 accordance with this Section 7 on any Basic Rent Payment Date; provided that
 no such termination shall occur prior to January 2, 2001; provided, further,
 that the Lessee shall have no right to terminate this Lease with respect to a
 Significant Portion of the Undivided Interest if (1) that portion of the
 Production System in which the Lessor will continue to own an interest after
 giving effect to such termination (such portion, together with the interest of
 the Other Owner and the Other Percentage Owner corresponding to such portion,
 the "Remaining Portion") is not capable of functioning for its intended purpose
 or (2) the Remaining Portion constitutes "limited use property" within the
 meaning of Revenue Procedure 76-30 or (3) the Fair Market Sales Value of the
 Remaining Portion as of the Termination Date is less than the product of (A) a
 fraction the numerator of which is the excess of Lessor's Cost over the
 Original Cost of such Significant Portion and the denominator of which is
 Lessor's Cost and (B) the Fair Market Sales Value of the Production System
 (without giving effect to such termination) as of the Termination Date or (4)
 the Original Cost of such Significant Portion together with the Original Cost
 of any other Significant Portion of the Undivided Interest in respect of which
 the Lessee has previously paid Termination Value pursuant to Section 7.3 or
 Stipulated Loss Value pursuant to Section 12 shall not exceed 50% of Lessor's
 Cost or (5) the estimated Fair Market Sales Value of the Remaining Portion as
 of the scheduled expiration of the Basic Lease Term is less than the product of
 (A) a fraction, the numerator of which is the excess of Lessor's Cost over the
 Original Cost of such Significant Portion and the denominator of which is
 Lessor's Cost and (B) the estimated Fair Market Sales Value of the Production
 System (without giving effect to such termination) as of the scheduled
 expiration of the Basic Lease Term or (6) subject to the following sentence,
 the Lessee shall have failed to provide the Owner Participant, by the 10th
 Business Day preceding the Termination Date, with an opinion of tax counsel
 selected by the Lessee but reasonably acceptable to the Owner Participant to
 the effect that the termination of this Lease with respect to such Significant
 Portion will not result in a greater risk of an unindemnified tax liability on
 the part of the Owner Participant than it would have had if such termination
 had not occurred (other than any tax liability of the Owner Participant with
 respect to the inclusion in the taxable income of the Owner Participant of the
 Termination Value payable with respect to such Significant Portion).  The
 Lessee shall be deemed to have failed to provide the opinion referred to in
 clause (6) above if the Owner Participant provides the Lessee by the later of
 (x) 10 Business Days after receipt of the opinion referred to in clause (6)
 above and the approval by the Lessee of the Owner Participant's choice of
 counsel and (y) the 5th Business Day preceding the Termination Date an opinion
 of tax counsel selected by the Owner Participant and reasonably acceptable to
 the Lessee to the contrary and describing in reasonable detail the increased
 risk of unindemnified tax liability.  If the Lessee shall, at any time after
 the delivery of a notice of termination pursuant to Section 7.2 and prior to
 the Termination Date, be precluded from terminating this Lease by reason of the
 second proviso to the second preceding sentence, the Lessee shall be deemed to
 have revoked its notice of termination pursuant to Section 7.2.

       7.2.  Notice of Termination.  In order to exercise its right to
 terminate this Lease as provided in this Section 7, the Lessee shall provide
 the Lessor, the Owner Participant and the Indenture Trustee with (i) notice in
 writing at least 90 days but not more than 545 days prior to the Basic Rent
 Payment Date as of which the Lessee is electing to terminate this Lease with
 respect to the Undivided Interest or a Significant Portion thereof (the
 "Termination Date"), such notice to specify (a) whether the Lessee is
 electing to terminate this Lease pursuant to clause (i) (an election pursuant
 to such clause (i) being referred to herein as an "Obsolescence Termination
 Election") or clause (ii) (an election pursuant to such clause (ii) being
 referred to herein as a "Special Termination Election") of Section 7.1,
 (b) if the Lessee is electing a termination under clause (i) of Section 7.1,
 whether the Lessee is electing to terminate this Lease with respect to the
 Undivided Interest or a Significant Portion thereof, (c) if the termination
 election is with respect to a Significant Portion of the Undivided Interest, a
 description of such Significant Portion, (d) the Termination Date and (e) the
 Termination Value for the Undivided Interest or such Significant Portion, as
 the case may be, as of the Termination Date and (ii) an Officer's Certificate
 of the Lessee as to the determinations referred to in Section 7.1.  Unless the
 Lessor shall have elected to retain the Undivided Interest pursuant to Section
 7.4, the Lessee may, at its option by written notice to the Lessor at any time
 prior to the 30th day prior to the Termination Date, revoke any such notice of
 termination, in which event this Lease shall not terminate and the reasonable
 out-of-pocket expenses incurred by the Lessor, the Owner Participant and the
 Indenture Trustee in connection therewith shall be borne by the Lessee;
 provided, however, that the Lessee shall have no obligation to so reimburse the
 Lessor or the Owner Participant if such notice of revocation is given (or
 deemed to have been given pursuant to the penultimate sentence of Section 7.4)
 as a result of the Lessor's failure to make the payments required to be made by
 it under Section 7.4); and, provided, further, that the Lessee may revoke any
 such notice of termination on only two occasions.

      7.3.  Sale of Undivided Interest or Significant Portion; 
 Termination Payment.  (a)  (i)  Subject to Section 7.4, if the Lessee shall
 have made an Obsolescence Termination Election, the Lessee shall, as
 nonexclusive agent for the Lessor, use commercially reasonable efforts to
 solicit bids for the cash purchase of all of the Lessor's right, title and
 interest in and to the Undivided Interest or the Significant Portion thereof,
 as the case may be, on the Termination Date.  The Lessor may also solicit bids
 for the cash purchase of all of Lessor's right, title and interest in and to
 the Undivided Interest or the Significant Portion thereof, as the case may be,
 on the Termination Date independent of the Lessee.  The Lessee shall certify
 in writing to the Lessor within ten days after the Lessee's receipt of each bid
 the amount and terms of each bid received by it and the name and address of the
 Person submitting such bid.  Subject to Section 7.4, in the event that the
 Lessee or the Lessor shall have obtained any such bids from any Person other
 than the Lessee or an Affiliate of the Lessee, the Lessor shall sell all of its
 right, title and interest in and to the Undivided Interest or such Significant
 Portion, as the case may be, on the Termination Date to such Person which
 shall have submitted the highest bona fide cash bid.  Upon payment to the
 Lessor of the purchase price in immediately available funds (and all other
 amounts due pursuant to the next sentence) on the Termination Date, the Lessor
 shall sell to the highest bona fide bidder all right, title and interest of the
 Lessor in and to the Undivided Interest or such Significant Portion, as the
 case may be, as is and where is, free and clear of Lessor's Liens and Owner
 Participant's Liens but otherwise without representation, warranty or recourse.
 In the case of an Obsolescence Termination Election with respect to the
 Undivided Interest, this Lease and the obligations of the Lessee hereunder
 (other than those obligations which are expressly stated to survive termination
 of this Lease) shall terminate and, in the case of an Obsolescence Termination
 Election with respect to a Significant Portion of the Undivided Interest, the
 Lessee's obligations under this Lease (other than those obligations which are
 expressly stated to survive termination of this Lease) shall terminate only
 with respect to such Significant Portion, in each case, concurrently with such
 sale and such payment.  As a condition to the sale of the Undivided Interest or
 a Significant Portion thereof, as the case may be, pursuant to the second
 preceding sentence, the Lessee shall pay on the Termination Date to the
 Lessor, in immediately available funds, (i) an amount equal to the excess, if
 any, of (A) the Termination Value for the Undivided Interest or such
 Significant Portion, as the case may be, as of the Termination Date over
 (B) the proceeds of such sale net of the reasonable out-of-pocket expenses
 incurred by the Lessor and the Owner Participant in connection with such sale,
 (ii) all Basic Rent due and owing on or prior to the Termination Date (but
 excluding, in the case of an Obsolescence Termination Election with respect to
 the Undivided Interest, any Basic Rent payable in advance on the Termination
 Date and, in the case of an Obsolescence Termination Election with respect to a
 Significant Portion of the Undivided Interest, that portion of Basic Rent
 payable in advance on the Termination Date equal to the product of the Original
 Cost of such Significant Portion and the percentage set forth in Column B
 (Advance Rent) of Schedule 1 opposite such Termination Date), (iii) all
 Supplemental Rent due and owing on or prior to the Termination Date and any
 other accrued Supplemental Rent as to which there is no dispute.  On the
 Termination Date, the Lessor shall, at the Lessee's expense, execute and
 deliver to such Person a bill of sale or assignment and such other instruments,
 documents and opinions as such Person or the Lessee may reasonably request to
 evidence the valid consummation of such transfer and shall, at the Lessee's
 expense, take such actions under Section 6.03 of the Indenture as the Lessee
 may reasonably request.  The Lessee shall not enter into any transaction with
 the purchaser (or transferee thereof) of the Undivided Interest or a
 Significant Portion thereof whereby the Lessee or any Affiliate of the Lessee
 obtains the use of the Undivided Interest or such Significant Portion
 thereafter; provided, however, that nothing in this Section 7 shall be
 construed as prohibiting Enserch Exploration (or any Affiliate thereof) from
 exercising its rights (other than its rights to purchase the Undivided Interest
 or such Significant Portion) under the Operating Agreement.

      (ii) If the Lessee shall have made a Special Termination
 Election, the Lessee shall on the Termination Date pay to the Lessor, in
 immediately available funds, (A) an amount equal to the Termination Value for
 the Undivided Interest as of the Termination Date, (B) all Basic Rent due and
 owing on or prior to the Termination Date (but excluding any Basic Rent payable
 in advance on the Termination Date) and (C) all Supplemental Rent due and
 owing on or prior to the Termination Date and any other accrued Supplemental
 Rent as to which there is no dispute.  Upon such payment, the Lessor shall sell
 to the Lessee or its designee, for disposition in accordance with the
 applicable provisions of the Operating Agreement, all right, title and interest
 of the Lessor in and to the Undivided Interest, as is and where is, free and
 clear of Lessor's Liens and Owner Participant's Liens but otherwise without
 representation or warranty or recourse.  This Lease and the obligations of the
 Lessee hereunder (other than the obligations of the Lessee set forth in the
 immediately following sentence or which are expressly stated to survive the
 termination of this Lease) shall terminate concurrently with such sale and such
 payment.  The Lessee hereby agrees that (1) promptly following the conveyance
 of all of Lessor's right, title and interest in and to the Undivided Interest
 pursuant to the first sentence of this subparagraph (ii), Enserch Exploration
 shall use its reasonable efforts as Operator under the Operating Agreement to
 cause the disposition of the Production System in accordance with the terms of
 the Operating Agreement, (2) any such disposition shall not result in the
 Lessee or any Affiliate of the Lessee obtaining the ownership or use of the
 Undivided Interest and (3) the Lessee shall, promptly following the
 disposition of the Production System pay to the Lessor an amount equal to the
 excess, if any, of (x) the proceeds of the sale of the Production System
 allocated to Enserch Exploration under Exhibit C to the Operating Agreement
 net of expenses incurred in respect of such sale (including, without
 limitation, any reasonable commissions or other reasonable fees payable to any
 brokers that are not the Lessee, the Operator or any Affiliates thereof)
 allocated to Enserch Exploration under Exhibit C to the Operating Agreement
 over (y) the Termination Value paid to the Lessor pursuant to this Section
 7.3(a)(ii).  In performing its obligation to dispose of the Undivided
 Interest pursuant to the preceding sentence, the Lessee shall act in a
 commercially reasonable manner as if it were the owner of the Undivided
 Interest entitled to retain all proceeds of the disposition.  On the
 Termination Date, the Lessor shall, at the Lessee's expense, execute and
 deliver to the Lessee (or its designee) a bill of sale or assignment and such
 other instruments, documents and opinions as the Lessee may reasonably request
 to evidence the valid consummation of the transfers effected pursuant to this
 Section 7.3(a) (ii) and shall, at the Lessee's expense, take such actions
 under Section 6.03 of the Indenture as the Lessee may reasonably request.

       (b) In the event that (i) the Lessee shall have exercised (or
 shall be deemed to have exercised pursuant to the last sentence of Section 7.1
 or the penultimate sentence of Section 7.4) its right to revoke its notice of
 termination pursuant to Section 7.2 or (ii) the highest bona fide bidder under
 Section 7.3(a) shall have failed to purchase all of Lessor's right, title and
 interest in and to the Undivided Interest pursuant to Section 7.3(a), then,
 unless the Lessor shall have retained the Undivided Interest pursuant to
 Section 7.4, this Lease shall remain in full force and effect.

       7.4.  Retention of Undivided Interest by Lessor.  If the Lessee
 shall have made an Obsolescence Termination Election with respect to the
 Undivided Interest or any Significant Portion thereof, the Lessor may elect to
 retain rather than sell the Undivided Interest or (to the extent consistent
 with the Operating Agreement) such Significant Portion pursuant to Section
 7.3(a)(i) by giving irrevocable notice to the Lessee and the Indenture
 Trustee no earlier than 45 nor later than 30 days prior to the Termination
 Date.  If the Lessor so elects to retain the Undivided Interest, on the
 Termination Date (a) the Lessor shall pay to the Indenture Trustee an amount
 equal to the unpaid principal amount of, and accrued and unpaid interest on,
 the Secured Notes then Outstanding to the date of payment, provided that if the
 Lessee has elected to terminate this Lease with respect to a Significant
 Portion of the Undivided Interest, the Lessor shall pay only a pro rata portion
 of such amount, which pro rata portion will be determined in accordance with 
 the provisions of Section 7.5 hereof, and (b) the Lessee shall pay to the 
 Lessor or the Person entitled thereto as provided in the Operative Documents 
 (i) all Basic Rent due and owing on or prior to the Termination Date (but 
 excluding all Basic Rent payable in advance on the Termination Date) and 
 (ii) all Supplemental Rent due and owing on or prior to the Termination Date 
 and any other accrued Supplemental Rent as to which there is no dispute, but 
 the Lessee shall not be required to pay any amounts pursuant to Section 7.3.  
 Upon payment of the amounts due pursuant to clause (b) of the preceding 
 sentence, this Lease and the obligations of the Lessee hereunder (other than 
 those obligations which are expressly stated to survive the termination of
 this Lease) shall terminate, and the Lessor shall, at the Lessee's expense, 
 execute and deliver to the Lessee on the Termination Date such instruments as
 the Lessee shall reasonably request to evidence the termination of this 
 Lease.  In the event the Lessor fails to pay the amounts specified in clause 
 (a) of the second sentence of this Section 7.4 or the Lessee fails to pay the 
 amounts specified in clause (b) of such sentence, the Lessee shall be deemed to
 have revoked its notice of termination pursuant to Section 7.2.  If the Lessor
 shall fail to perform any of its obligations pursuant to this Section 7.4 and
 as a result thereof this Lease shall not be terminated on a proposed
 Termination Date, the Lessor shall thereafter no longer be entitled to exercise
 its election to retain the Undivided Interest upon any subsequent Obsolescence
 Termination Election pursuant to this Section 7 and Lessee may at its option at
 any time thereafter submit a new termination notice pursuant to Section 7.2.
 7.5.  Calculation of Original Cost7.5.  Calculation of Original Cost.  If 
 (x) the Lessee has elected to terminate this Lease with respect to a 
 Significant Portion of the Undivided Interest pursuant to this Section 7 or 
 (y) (i) an Event of Loss has occurred with respect to a Significant Portion of
 the Undivided Interest and (ii) the Lessee has elected to pay Stipulated Loss 
 Value in respect of such Significant Portion, the Original Cost of such 
 Significant Portion shall be determined as follows:

      (a)   The Original Cost of that portion of such Significant Portion
     consisting solely of the Lessor's Share of any Major Component in its
     entirety shall be an amount equal to the sum of the Original Cost (as
     defined in clause (i) of the definition of Original Cost) of the Lessor's
     Share of each such Major Component; and

      (b)  The Original Cost of that portion of such Significant Portion
     consisting of the Lessor's Share of (i) any Component or (ii) any
     Replacement Component which has replaced such Component in accordance with
     this Lease (other than, in the case of (i) and (ii), respectively, any
     Component that is part of a Major Component to which paragraph (a) above
     applies and any Replacement Component which has replaced such Component in
     accordance with this Lease) shall be in an amount agreed to by the Lessor
     and the Lessee; provided, however, that if the Lessor and the Lessee
     cannot agree as to the Original Cost of the Lessor's Share of any such
     Component (or Replacement Component) by the 30th day following (x) the
     issuance of a notice of such termination pursuant to Section 7.2 or (y)
     the receipt by the Lessor of notice from the Lessee of the occurrence of
     such Event of Loss, as the case may be, such Original Cost shall be
     determined by the Appraisal Procedure.

     The Original Cost of the Significant Portion of the Undivided Interest with
 respect to which this Lease is being terminated or which has suffered an Event
 of Loss shall be an amount equal to the sum of the amounts obtained in
 paragraphs (a) and (b) above.

       SECTION 8.  RELINQUISHMENT OF POSSESSION AND USE OF UNDIVIDED INTEREST.

       8.1.  Return of Undivided Interest.  Unless the Undivided
 Interest shall have been transferred to the Lessee pursuant to this Lease, the
 Lessee, at its own expense, shall, subject to the terms and conditions of the
 Operating Agreement and the Agency and Support Agreement, relinquish
 possession and use of the Undivided Interest to the Lessor or to any transferee
 or assignee of the Lessor upon the expiration or termination of the Lease Term
 by surrendering the same to the Lessor or such transferee or assignee at the
 respective locations of the Major Components thereof.  Upon the return of the
 Undivided Interest pursuant to this Section 8.1, (x) the Production System
 shall be (i) if Enserch Exploration or any of its Affiliates is then the
 Operator or the operator of the Production System, in at least as good
 condition as required by Section 11.1 or (ii) if neither Enserch Exploration
 nor any of its Affiliates is then the Operator or the operator of the
 Production System, in at least as good condition as the Production System would
 be if it were maintained by a prudent operator which is in the business of
 maintaining and operating facilities similar to the Production System (which
 operator does not discriminate in such maintenance based on the leased status 
 of the Production System or otherwise (including, without limitation, any
 discrimination with respect to the installation of Modifications required by
 Governmental Rules that may be phased in over a period of time that commences
 prior to and extends beyond the end of the Lease Term)), in compliance in all
 material respects with all then applicable Governmental Rules (including,
 without limitation, all Environmental Laws) and in such condition as will
 entitle the Platform to the same classification and rating from the
 Classification Society which the Platform had from American Bureau of Shipping
 on the Closing Date (subject to any reduction in classification and rating
 resulting from the age of the Platform).  In addition, upon the return of the
 Undivided Interest, the Undivided Interest shall be free and clear of all
 Liens other than the Liens described in clauses (a), (b) (other than
 Indenture Trustee's Liens), (f), (g), (to the extent removed within 60 days
 after such return) (i) and (j) of the definition of Permitted Liens.  If the
 Lessee elects or is required to return the Undivided Interest, then, subject to
 the restrictions set forth in Section 11.5 of the Participation Agreement, not
 more than 180 days nor less than 60 days prior to the Lease Termination Date,
 the Lessee shall, at its sole cost and expense, provide the Lessor, the Owner
 Participant and, if the Lien of the Indenture has not been discharged, the
 Indenture Trustee (1) a report of an engineer selected by the Lessee and
 reasonably acceptable to the Lessor certifying that the Undivided Interest is
 in the condition and state of repair and maintenance required by all then
 applicable Governmental Rules, together with such inspection reports, tests,
 and other data reasonably adequate to substantiate the conclusion reached in
 such report, or, if the Undivided Interest is not in the condition and state of
 repair and maintenance required by all then applicable Governmental Rules, such
 engineer shall provide a list of any discrepancies in such condition, and the
 Lessee, at its sole cost and expense, shall cause any such discrepancies to be
 fully corrected prior to the return of the Undivided Interest, (2) an
 inspection report by an environmental consulting firm selected by Lessee and
 satisfactory to the Lessor certifying that the Production System is in
 compliance with all applicable Environmental Laws and that the condition and
 operation of the Production System are such that the Lease shall not be subject
 to any Environmental Claim, (3) a reserve report with respect to the Unit
 Reserves prepared by an independent consulting firm selected by the Lessee and
 reasonably acceptable to the Lessor and (4) a list of all of the Lessee's
 permits necessary for the use, operation and maintenance of the Production
 System.  The obligations of the Lessee under this Section 8.1 shall survive
 the termination of this Lease.

          SECTION 9.  QUIET USE AND ENJOYMENT; DISCLAIMER OF WARRANTIES.

      9.1.  Quiet Use and Enjoyment.  Unless a Lease Event of Default
 shall have occurred and be continuing and the Lessee shall have been notified 
 of such Event of Default, the Lessee shall be entitled to the quiet use and
 enjoyment of the benefits of the Undivided Interest including the right to
 uninterrupted possession and use of the Undivided Interest and the Lessor
 agrees not to take or permit any Person (other than the Indenture Trustee, the
 Loan Participants or any Person claiming by, through or under the Indenture
 Trustee or any Loan Participant) lawfully claiming by, through or under it to
 take any action which interferes with such quiet use or enjoyment or such
 possession or use or the rights of any sublessee or assignee to such quiet use
 or enjoyment or such possession or use under any sublease or assignment
 permitted hereunder (it being agreed that, without limiting the liability of
 any Loan Participant, the Indenture Trustee or any Person claiming by, through
 or under the Indenture Trustee or any Loan Participant for any action taken by
 it in violation of the covenant contained in this sentence, neither the Owner
 Participant nor the Grantor Trustee shall have any liability for any such
 action taken by any Loan Participant, the Indenture Trustee or any Person
 claiming by, through or under the Indenture Trustee or any Loan Participant
 unless such action was taken at the direction of the Owner Participant or the
 Grantor Trustee acting upon the express written instructions of the Owner
 Participant acting in violation of the Operative Documents).  Without limiting
 the foregoing, the Lessor (for itself and its successors and assigns, it being
 agreed that the following provisions of this sentence run with the Undivided
 Interest and shall be binding on any transferee or assignee of the whole or any
 part of the Undivided Interest) hereby waives the right to bring any action for
 partition of the Production System or the Lessor's interest therein and hereby
 covenants that, for so long as there are economically producible oil, gas or
 other hydrocarbon reserves in the Unit Area ("Unit Reserves"), the Lessor
 shall not (i) resort to any action at law or in equity to partition the
 Production System, (ii) interfere in any manner with the quiet use and
 enjoyment by the Other Owner of the Other Undivided Interest or the Other
 Percentage Owner of the Other Percentage Undivided Interest, or (iii) permit
 the Production System to be sold, removed or abandoned such that it is made
 unavailable to produce the Unit Reserves.  The Other Owner, the Other
 Percentage Owner and their respective successors and assigns shall be third-
 party beneficiaries of the Lessor's waiver and covenants contained in the
 immediately preceding sentence.  The Lessor agrees that any transferee of the
 Lessor's interest in the Undivided Interest shall agree in writing to be bound
 by the provisions of the second preceding sentence.  In addition, the Lessor
 (for itself and its successors and assigns) agrees that its interest in the
 Production System will be bound by the terms of the Operating Agreement.

      9.2.  Disclaimer of Warranties.  Neither the Trust Company in
 its individual capacity or as Grantor Trustee nor the Owner Participant makes
 any representations or warranties whether written, oral or implied, with
 respect to the Undivided Interest, the Production System, or any part thereof,
 except as expressly set forth in Section 6 or 8 of the Participation Agreement
 or in any Officer's Certificate of the Trust Company, the Grantor Trustee or
 the Owner Participant, in each case delivered pursuant to the Participation
 Agreement.  As between the Lessor and the Lessee, execution by the Lessee of
 this Lease shall be conclusive proof of the Lessee's acceptance of the
 Undivided Interest for all purposes hereof and of the commencement of this
 Lease with respect thereto and that the Undivided Interest is satisfactory to
 the Lessee in all respects.  THE LESSEE ACKNOWLEDGES THAT THE LESSOR
 IS NOT A MANUFACTURER OR DEALER IN PROPERTY OF THE KIND OF THE
 PRODUCTION SYSTEM OR THE COMPONENTS THEREOF AND THE LESSOR
 LEASES AND THE LESSEE TAKES THE UNDIVIDED INTEREST AND EACH PART
 THEREOF AS IS AND WHERE IS, WITH ALL FAULTS (WHETHER OR NOT
 DISCOVERABLE), AND SUBJECT TO ALL APPLICABLE LAWS (INCLUDING
 ENVIRONMENTAL LAWS) AND NEITHER THE TRUST COMPANY IN ITS
 INDIVIDUAL CAPACITY OR AS GRANTOR TRUSTEE NOR THE OWNER
 PARTICIPANT SHALL BE DEEMED TO HAVE MADE, AND THE TRUST COMPANY
 IN ITS INDIVIDUAL CAPACITY AND AS GRANTOR TRUSTEE HEREBY
 DISCLAIMS, ANY REPRESENTATION OR WARRANTY OTHER THAN THOSE
 REFERRED TO IN THE SECOND PRECEDING SENTENCE, EITHER EXPRESS OR
 IMPLIED, AS TO ANY MATTER WHATSOEVER, INCLUDING, WITHOUT
 LIMITATION, THE DESIGN OR CONDITION OF THE PRODUCTION SYSTEM OR
 ANY PART THEREOF, THE MERCHANTABILITY THEREOF OR THE FITNESS
 THEREOF FOR ANY PARTICULAR PURPOSE, THE ABILITY OF THE
 PRODUCTION SYSTEM TO PERFORM ANY FUNCTION, TITLE TO THE
 PRODUCTION SYSTEM OR ANY PART THEREOF, THE QUALITY OF THE
 MATERIALS OR WORKMANSHIP THEREOF OR CONFORMITY THEREOF TO
 SPECIFICATIONS, OR THE PRESENCE OR ABSENCE OF ANY LATENT OR OTHER
 DEFECTS, WHETHER OR NOT DISCOVERABLE.  THE LESSEE CONFIRMS THAT
 IT HAS SELECTED THE PRODUCTION SYSTEM AND EACH PART THEREOF ON
 THE BASIS OF ITS OWN JUDGMENT AND EXPRESSLY DISCLAIMS RELIANCE IN
 CONNECTION WITH SUCH SELECTION UPON ANY STATEMENTS,
 REPRESENTATIONS OR WARRANTIES MADE BY THE LESSOR OR THE OWNER
 PARTICIPANT.  The provisions of this Section 9.2 have been negotiated and,
 except as expressly set forth in Sections 6 and 8 of the Participation
 Agreement or in any Officer's Certificate of the Grantor Trustee, the Trust
 Company or the Owner Participant, the foregoing provisions are intended to be a
 complete exclusion and negation of any representation or warranty by the Lessor
 or the Owner Participant, express or implied, with respect to this Lease, the
 Production System, the Undivided Interest or any part thereof that may arise
 pursuant to any law now or hereafter in effect or otherwise.  Nothing contained
 in this Section 9.2 shall be construed as a waiver of any warranty or other
 claim against any manufacturer, supplier, dealer, vendor, contractor,
 subcontractor or installer.

      9.3.  Enforcement of Warranties.  The Lessor hereby appoints and
 constitutes the Lessee its agent and attorney-in-fact during the Lease Term to
 assert and enforce, from time to time, in its sole discretion, in the name and
 for the account of the Lessor and the Lessee, as their interests may appear,
 but in all cases at no cost or expense to the Lessor, whatever claims and
 rights the Lessor may have as the lessor of the Undivided Interest against any
 manufacturer or vendor of any Component or Replacement Component of the
 Production System; provided, however, that if this Lease shall have been
 declared in default pursuant to Section 16.1, such power of attorney shall, at
 the option of the Lessor, terminate and the Lessor may assert, at the Lessee's
 expense, such claims and rights.

                        SECTION 10.  LIENS.

      The Lessee will not, directly or indirectly, create, incur, assume
 or suffer to exist any Liens on or with respect to all or any part of the
 Undivided Interest, title thereto or any interest therein, other than Permitted
 Liens, and the Lessee promptly, at its own expense, will take such actions as
 may be necessary duly to discharge any such Lien not excepted above.

             SECTION 11.     OPERATION AND MAINTENANCE;
                             INSPECTION; MODIFICATIONS;
                             REPLACEMENTS; PERSONNEL;
                             SALVAGE; FUEL; IDENTIFICATION.

       11.1.  Operation and Maintenance.  So long as the Operating
 Agreement is in effect, the Lessee will at its own expense maintain and operate
 the Production System in accordance with the applicable provisions of the
 Operating Agreement.  At all other times, the Lessee shall, at its own
 expense, for the Lease Term, operate and maintain (or cause the operator
 thereof to operate and maintain) the Production System in accordance with the
 Lessee's established maintenance, rebuild and repair programs (and without
 discriminating against the Production System based on the leased, rather than
 owned, status of the Undivided Interest or otherwise, including, without
 limitation, any discrimination with respect to the installation of
 Modifications required by Governmental Rules that may be phased in over a
 period of time that commences prior to and extends beyond the end of the Lease
 Term) so as to keep the Undivided Interest (a) in good working order and
 condition, ordinary wear and tear excepted, (b) in compliance in all material
 respects with all applicable Governmental Rules and Governmental Actions and
 the requirements of any insurance policy required to be maintained pursuant to
 Section 13 hereof, to the extent any such insurance policy expressly requires
 certain maintenance activities; provided, however, that the Lessee shall not be
 obligated to comply with any Governmental Rule or Governmental Action
 (i) whose application or validity is being contested diligently and in good
 faith by appropriate proceedings, (ii) compliance with which shall have been
 excused or exempted by a nonconforming use permit, waiver, extension or
 forbearance exempting it from such Governmental Rule or Governmental Action but
 only to the extent that the Lessee's noncompliance is in accordance therewith
 and the Lessee shall nevertheless be required to comply with such Governmental
 Rule or Governmental Action if such nonconforming use permit, waiver, extension
 or forbearance would not be effective to exempt the Lessor or its designee from
 compliance with such Governmental Rule or Governmental Action upon the return
 of the Undivided Interest in accordance with Section 8, (iii) if good faith
 efforts and appropriate steps are being taken to comply (in which case such
 compliance shall be effected prior to the date the Undivided Interest is to be
 returned to the Lessor hereunder), or (iv) if failure of compliance
 (individually and in the aggregate with all other instances of continuing
 noncompliance by the Lessee) would result in no material adverse consequences
 to the Lessee, so long as, in the case of each of clauses (i) through (iv) of
 this proviso, neither such failure of compliance nor such contest shall result
 in any material risk or danger of (1) the sale, forfeiture or loss of any
 material part of or interest in the Production System or the Undivided
 Interest, the Trust Estate or the Indenture Estate or title thereto or
 interest therein, (2) any interference with the payment of Rent when due, or
 (3) the imposition of any criminal liability on the part of, or any other
 material adverse effect on, the Lessor, the Owner Participant, the Trust
 Estate, the Indenture Estate or the Undivided Interest, (c) with respect to
 the Platform, in compliance with recognized maintenance standards for other
 comparable platforms in the Gulf of Mexico, (d) with respect to the Platform,
 in compliance with the American Petroleum Institute guidelines for inspection
 and repair of platforms and (e) with respect to the Platform, in compliance
 with the existing classification for the Platform issued by the Classification
 Society.

       11.2.  Inspection and Reports.  The Lessor, the Owner
 Participant and the Indenture Trustee (and their respective authorized
 representatives) shall have the right to inspect the Production System and the
 books and records of the Lessee relating thereto to the extent provided in, and
 subject to the restrictions set forth in, Sections 10.7 and 11.5 of the
 Participation Agreement.  The Lessor, the Owner Participant and the Indenture
 Trustee shall receive copies of the SEC reports and financial statements of the
 Lessee as provided in Section 10.2 of the Participation Agreement.

      11.3.  Required Modifications.  So long as the Operating
 Agreement is in effect, the Lessee shall have the right, subject to the last
 sentence of this Section 11.3, to propose, or approve all Modifications to
 the Production System in accordance with the provisions of the Operating
 Agreement and the Lessee shall take all actions thereunder which may be
 required to make (or cause to be made) all Severable and Nonseverable
 Modifications to the Production System as may be required from time to time to
 comply in all material respects with the requirements of all applicable
 Governmental Rules and Governmental Actions.  At all other times, (i) the
 Lessee shall make (or cause to be made) all Severable and Nonseverable
 Modifications to the Production System as may be required from time to time to
 meet the requirements of clause (b) of Section 11.1 or to maintain any
 insurance coverage required by Section 13.1 (subject to the qualifications set
 forth in such Section) unless the Lessee shall have made an irrevocable
 election to terminate this Lease pursuant to Section 7.2; provided, that if
 for any reason this Lease is not terminated on the applicable Termination Date,
 the provisions of this Section 11.3 shall be automatically reinstated.  The
 Lessee shall complete (or cause to be completed) all Modifications in a good
 and workmanlike manner, with reasonable dispatch and in a manner which does not
 decrease the value of the Production System (except to a de minimis extent) or
 decrease the remaining useful life or utility of the Production System or cause
 the Production System to become "limited use property" within the meaning of
 Revenue Procedure 76-30.

      11.4.  Optional Modifications.  The Lessee may, at no expense to
 the Lessor, make (or cause or allow to be made) such other Severable and
 Nonseverable Modifications to the Production System not required by Section
 11.3 as do not (i) decrease the value (except to a de minimis extent) or
 utility of the Production System or decrease the remaining useful life or cause
 the Production System to become "limited use property" within the meaning of
 Revenue Procedure 76-30 or (ii) alter the primary function of the Production
 System (namely to drill and produce oil and gas), taken as a whole, to a
 function other than its primary function on the Closing Date.

     11.5.  Title to Modifications; Purchase Option for Severable Modifications.
 (a)  Title to the Lessor's Share of all Modifications to the
 Production System shall vest in the Head Lessor or any Person designated by the
 Head Lessor and shall automatically become part of the Production System and
 the Undivided Interest and become subject to the Head Lease (unless the Head
 Lease has been terminated) and this Lease; provided, that if the Head Lease
 shall have been terminated, title to the Lessor's Share of all Nonseverable
 Modifications and all Severable Modifications required by any Governmental Rule
 or Government Action, shall vest in the Lessor or any Person designated by the
 Lessor and shall automatically become part of the Production System and the
 Undivided Interest and become subject to this Lease.  The Lessee may remove
 (or allow to be removed) any Severable Modification to the Production System
 not required by any Governmental Rule or Governmental Action prior to or upon
 the expiration of the Lease Term; provided, however, the Lessee shall repair
 promptly any material damage to the Production System from such removal.

       (b) An undivided interest equal to the Lessor's Share of
 (i) Severable Modifications to the Production System required by any
 Governmental Rule or Governmental Action and (ii) Nonseverable Modifications
 to the Production System shall automatically become part of the Production
 System and the Undivided Interest and become subject to the Head Lease (unless
 the Head Lease has been terminated) and this Lease.

       (c) The Lessee's Share of all Severable Modifications to the
 Production System other than those required by any Governmental Rule or
 Governmental Action shall automatically vest in the Lessee.

       (d) Provided that the Lessor's right, title and interest in the
 Undivided Interest has not been transferred to the Lessee pursuant to this
 Lease, the Lessor shall have the option, at the expiration of the Lease Term,
 to purchase the Lessor's Share of any Severable Modification to the Production
 System not theretofore removed by Lessee pursuant to Section 11.5(a) (i)
 which was not required by any Governmental Rule or Governmental Action,
 (ii) title to the Lessor's Share of which is in the Lessee or any Affiliate of
 the Lessee on the last day of the Lease Term and (iii) which is necessary for
 the economic operation of the Production System and (iv) which is not
 commercially available for purchase by the Lessor, at a purchase price equal to
 the Fair Market Sales Value of such Lessor's Share as of such date.  During
 the final year of the Lease Term, the Lessee shall not remove any such
 Severable Modification.  On or prior to the 180th day prior to the expiration
 of the Lease Term, the Lessee shall provide the Lessor with a list of the
 Severable Modifications it intends to remove.  The Lessor may exercise its
 option to purchase such Severable Modifications by written notice to such
 effect delivered to the Lessee at least 30 days prior to expiration of the
 Lease Term.  The Lessor and the Lessee shall attempt to agree upon the Fair
 Market Sales Value of such undivided interest in any such Severable
 Modification as of the expiration of the Lease Term.  If the Lessor and the
 Lessee shall fail to agree within 15 days after such written notice, such Fair
 Market Sales Value of any such undivided interest shall be determined by the
 Appraisal Procedure (except that the time periods set forth in the definition
 of Appraisal Procedure shall be accelerated so that the Appraisal Procedure is
 complete at least 20 days prior to the expiration of the Lease Term).  If the
 Lessor shall have exercised its option to purchase an undivided interest in any
 Severable Modification to the Production System pursuant to this Section
 11.5(d), the Lessee, if requested by the Lessor, shall furnish (or cause to
 be furnished) to the Lessor a bill of sale or assignment, in form and substance
 reasonably satisfactory to the Lessor, conveying the right, title and interest
 of the Lessee (or its Affiliate) in and to such Severable Modification, free
 and clear of all Liens (other than Permitted Liens described in clauses (a),
 (b) (other than Indenture Trustee's Liens), (f), (g), (i) and (j) of the
 definition thereof), to the Lessor.

      11.6.  Payment for Modifications and Replacement Components. 
 (a)  The Lessee shall be permitted at any time to finance the cost of any
 Severable Modification to the Production System not required by any
 Governmental Rule or Governmental Action, directly or indirectly, including,
 without limitation, on a third party ownership basis.

       (b) If the Lessee intends to seek financing for the cost of any
 Severable Modification to the Production System that is required by any
 Governmental Rule or Governmental Action to be made or any Nonseverable
 Modification to the Production System, the Lessee shall first provide the
 Lessor and the Owner Participant with written notice of such Modification at
 least 45 days prior to the date of such proposed financing.  The cost of the
 Lessor's Share of such Modification may be financed through the issuance of
 Additional Notes as provided in Section 14 of the Participation Agreement and
 subject to the conditions set forth therein.

     11.7.  Replacement of Components; Title to Components; Removal of Property.
 (a)  Any Component or Replacement Component may be removed and
 replaced with a Replacement Component and, upon such replacement, the Lessee
 (or its designee) shall be entitled to retain the amount of the net proceeds of
 any sale or disposition of any such removed Component or Replacement Component.
 Any such Replacement Components shall be free and clear of all Liens, except
 Permitted Liens, and in as good operating condition as, and with a value and
 utility (and, in the case of Major Components, useful life) at least equal to,
 the Components or Replacement Components replaced, assuming such replaced
 Components or Replacement Components were in at least the condition and repair
 required to be maintained hereunder and shall not, individually or in the
 aggregate, adversely affect the Production System's useful life.  Immediately
 upon any Replacement Component becoming incorporated in the Production System,
 without further act, (i) title to the Lessor's Share of such Replacement
 Component thereupon shall vest in the Head Lessor (or, if the Head Lease is no
 longer in effect, the Lessor) or such Person as shall be designated by the Head
 Lessor (or, if the Head Lease is no longer in effect, the Lessor), (ii) the
 Lessor's Share of such Replacement Component shall become subject to the Head
 Lease (unless the Head Lease has been terminated) and the Lien of the
 Indenture and to this Lease and shall be deemed a part of the Production System
 and the Undivided Interest for all purposes thereof and hereof to the same
 extent as the Lessor's Share of the Component or Replacement Component it
 replaced and (iii) title to the Lessor's Share of such removed Component or
 Replacement Component shall remain in the Head Lessor (or, if the Head Lease
 shall have been terminated, shall vest in the Lessee) or such Person as shall
 be designated by the Head Lessor (or, if applicable, the Lessee) and shall be
 free and clear of all rights of the Lessor and the Indenture Trustee and shall
 no longer be deemed a Component or a Replacement Component hereunder.

       (b) If, at any time during the Lease Term, the Lessee shall
 conclude that any property included in the Production System is obsolete,
 redundant or unnecessary and can be removed without diminishment of the value 
 or utility of the Production System or reduction of the remaining useful life
 of the Production System and without causing the Production System to become
 "limited use property" within the meaning of Revenue Procedure 76-30, the
 Lessee may remove (or allow to be removed) such property.  In addition,
 notwithstanding anything contained in this Lease to the contrary, if an event
 occurs with respect to any Component or Components which would constitute an
 Event of Loss if such event occurred with respect to the Production System or a
 Significant Portion thereof, the Lessee shall have no obligation to pay any
 Stipulated Loss Value in respect of, or to otherwise replace or repair, such
 Component or Components, so long as, in the Lessee's reasonable judgment (i)
 such Component is not a Significant Portion and (ii) such Component or
 Components are not material to the overall operation of the Production System.

      11.8.  Employment of Personnel.  Solely as between the Lessor
 and the Lessee, the master, officers and crew of the Platform and all other
 persons at any time on board the Platform shall be deemed to be engaged and
 employed exclusively by the Lessee and shall be deemed to be and remain the
 Lessee's servants, navigating and working the Platform solely on behalf of and
 at the risk of the Lessee.  THIS SECTION 11.8 SHALL NOT BE DEEMED TO
 CREATE ANY RIGHT IN, OR TO BE FOR THE BENEFIT OF, ANY THIRD
 PARTY.

      11.9.  Salvage.  The Lessor shall not have any interest in any
 salvage monies earned by the Platform or received by the Lessee or the
 Operator.  The Lessee assumes and shall satisfy all costs and liabilities
 incurred in connection with all salvage services rendered by the Platform.

      11.10.  Fuel, Oil, Etc.  The Lessor acknowledges that such
 fuel, lubricating oil and unbroached consumable stores as may be on board the
 Platform at the time of its delivery to the Lessee hereunder and allocable to
 the Undivided Interest will be the property of the Lessee.

      11.11.  Identification of Platform.  At all times until the
 expiration or termination of this Lease, the Lessee shall cause to be placed
 and kept prominently displayed in the chart room of the Platform a notice, in
 English, framed under glass, printed in plain type of such size that the
 paragraph of reading matter thereof shall cover a space not less than six 
 inches wide by nine inches high, reading as follows:

                     "NOTICE OF MORTGAGE AND CHARTER"

     A 40.139265588% undivided interest in this vessel is owned by
     Enserch Exploration, Inc., is under demise charter to Wilmington
     Trust Company, as the Grantor Trustee under that certain Trust
     Agreement (1996-A), dated as of November 15, 1996, pursuant
     to a Production System Lease Agreement (1996-A), dated as of
     November 15, 1996, and is covered by a First Priority Naval
     Mortgage (1996-A) dated as of November 15, 1996 in favor of
     Wilmington Trust Company, as Grantor Trustee.  Said lease and
     mortgage provide that no person shall create, incur or permit to
     be placed or imposed upon this vessel any lien or encumbrance
     whatsoever except as expressly permitted therein.  A copy of said
     lease and mortgage are carried on this vessel and must be exhibited
     on demand to any person having business with this vessel."

      Such notice shall be changed to reflect the identity of any successor 
 owner or mortgagee.  Neither the Lessor nor Lessee shall take any action or 
 omit to take any action that would (i) cause the Platform to cease to be 
 documented as a vessel pursuant to the laws of the Republic of Panama, 
 (ii) cause the Ship Mortgage on the Platform to cease to be a first priority 
 naval mortgage under the laws of the Republic of Panama or (iii) cause the 
 Platform to cease to be entitled to the same classification that the Platform 
 had from the Classification Society on the Closing Date (subject to any 
 reduction in classification and rating resulting from the age of the Platform).
 Except as otherwise directed by the Lessor, the Lessee shall prevent the name 
 of any Person other than that of Enserch Exploration or any Affiliate thereof 
 (and the other owners and secured parties with respect to the Other Undivided 
 Interest) from being placed on any part of the Production System as a 
 designation that reasonably might be interpreted as a claim of ownership or 
 right to possession or use thereof.

      11.12.  Reports With Respect to the Production System.  The
 Lessee shall provide the Lessor and the Owner Participant with the following
 reports:  (i) promptly following receipt thereof, all written information
 provided to the Lessee pursuant to Section 8.2 of the Operating Agreement;
 (ii) concurrently with the delivery of annual financial statements pursuant to
 Section 10.2 of the Participation Agreement and upon expiration of the Lease
 Term, a report stating the total cost of all Modifications (or related group of
 Modifications) that cost in excess of 1% of Lessor's Cost made during such
 period and describing separately and in reasonable detail each such 
 Modification made during the period from the Closing Date to December 31, 1996 
 in the case of the first such report and covering the immediately preceding 
 fiscal year in the case of the remaining reports.

      11.13. Required Filings.  The Lessee shall prepare and file in
 a timely fashion, or where the Lessor shall be required to file, the Lessee
 shall prepare or cause to be prepared and deliver to the Lessor within a
 reasonable time prior to the date for filing, any reports with respect to the
 Undivided Interest, or the condition or operation thereof, that shall be
 required to be filed with any Governmental Authority in order to comply with
 any Governmental Rule or Governmental Action.

      11.14. Repair of Production System.  In the event of any damage
 to the Production System which does not constitute an Event of Loss, subject to
 the last sentence of Section 11.7(b), the Lessee shall, at no expense to the
 Lessor, as soon as commercially practicable, repair, restore or rebuild (or
 shall cause to be repaired, restored or rebuilt) the damaged or destroyed
 property so that upon completion of such repair, restoration or rebuilding, the
 value, utility and remaining useful life of such property shall be at least
 equal to the value, utility and remaining useful life of such property
 immediately prior to such damage or destruction, assuming such property was
 maintained in accordance with the terms hereof.

                      SECTION 12.  EVENT OF LOSS.

      12.1.  Notice of Event of Loss.  If there shall occur an Event
 of Loss, the Lessee shall promptly notify the Lessor, the Owner Participant
 and the Indenture Trustee of the occurrence thereof.

      12.2.  Payment of Stipulated Loss Value, Etc. (a)  If an Event
 of Loss with respect to the Production System shall occur, the Lessee shall
 within 180 days of the occurrence of such Event of Loss give Lessor, the Owner
 Participant and the Indenture Trustee written notice of its election to either:

      (i) pay to the Lessor as compensation for such Event of Loss, on the Basic
     Rent Payment Date immediately following the date of such election, the 
     Stipulated Loss Value for the Undivided Interest as of such Stipulated Loss
     Value Determination Date; or 

      (ii) subject to compliance with this Section 12.2, replace (or cause to be
     replaced) the Production System with equipment of a similar type, service 
     and use, and of equal or greater Fair Market Sales Value, residual value, 
     remaining useful life and utility as the replaced Production System 
     immediately prior to such Event of Loss (assuming the Production System has
     been maintained in accordance with the terms of this Lease).

 provided that (x) the Lessee may not elect to replace the 
 Production System if at the time of the Event of Loss or the time of 
 election a Lease Default of the type described in Section l5(a), (b), (c) or 
 (g) or Lease Event of Default shall have occurred and be continuing and 
 (y) if the Lessee fails to give notice of its election to replace the 
 Production System in the time period specified above, it shall be deemed 
 to have elected to pay Stipulated Loss Value as specified in clause (i) above.
 If the Lessee shall have elected, or shall be deemed to have
 elected, the option set forth in paragraph (i) above, the Lessee shall pay
 simultaneously with the payment of Stipulated Loss Value all Basic Rent due and
 owing prior to the date of such payment, all Supplemental Rent due and owing on
 or prior to the date of such payment and any other accrued Supplemental Rent as
 to which there is no dispute and all Basic Rent payable in arrears on such
 Basic Rent Payment Date.  Upon such payment (1) this Lease and the
 obligations (other than the expressly stated to survive the Termination of this
 Lease, including the obligations set forth in the next paragraph) of the Lessee
 hereunder shall terminate as of the date of such payment and (2) the Lessor
 shall transfer all right, title and interest of the Lessor in and to the
 Undivided Interest as is and where is, to the Lessee or as the Lessee shall
 direct, free and clear of Lessor's Liens and Owner Participant's Liens but
 otherwise without representation, warranty or recourse, and the Lessor shall,
 at the Lessee's expense, execute and deliver to the Lessee or as the Lessee
 shall direct a bill of sale or assignment and such other instruments and
 documents as the Lessee may reasonably request to evidence the valid
 consummation of such transfer and shall, at the Lessee's expense, take such
 actions under Section 6.03 of the Indenture as the Lessee may reasonably
 request.

      The Lessee hereby agrees that, if the Event of Loss with respect
 to the Production System in respect of which the Lessee has paid Stipulated
 Loss Value pursuant to the preceding sentence is a Special Event of Loss and
 such Event of Loss was caused by an act or omission of the Lessee or the Lessee
 and MPTM acting in concert, (A) promptly following the conveyance of the
 Undivided Interest pursuant to clause (2) of the preceding sentence, the
 Lessee shall cause the disposition of the Production System in accordance with
 the terms of the Operating Agreement, (B) any such disposition shall not
 result in the Lessee or any Affiliate of the Lessee obtaining the ownership or
 use thereafter of the Production System and (C) the Lessee shall, promptly
 following the disposition of the Production System pay to the Lessor an amount
 equal to the excess, if any, of (x) the proceeds of the sale of the Production
 System allocated to Enserch Exploration under Exhibit C to the Operating
 Agreement net of expenses incurred in respect of such sale (including, without
 limitation, any commissions or other fees payable to any brokers that are not
 the Lessee, the Operator or any Affiliates thereof) allocated to Enserch
 Exploration under Exhibit C to the Operating Agreement over (y) the Stipulated
 Loss Value paid to the Lessor pursuant to this Section 12.2(a).  In
 performing its obligation to dispose of the Production System pursuant to the
 preceding sentence, the Lessee shall act in a commercially reasonable manner as
 if it were the owner of the Production System entitled to retain all proceeds
 of the disposition.

       (b) If an Event of Loss with respect to a Significant Portion
 of the Production System shall occur, the Lessee shall within 180 days of the
 occurrence of such Event of Loss give the Lessor, the Owner Participant and
 the Indenture Trustee written notice of its election to either:

      (i) pay to the Lessor as compensation for such Event of Loss, on the Basic
     Rent Payment Date immediately following the date of such election, the 
     Stipulated Loss Value for the Significant Portion of the Undivided Interest
     suffering such Event of Loss as of such Stipulated Loss Value Determination
     Date; or
    
      (ii) subject to compliance with this Section 12.2(b) rebuild or cause 
     to be rebuilt (or replace
     or cause to be replaced) the Significant Portion of the Production System
     suffering such Event of Loss which such rebuilt portion (or replacement
     portion) shall have at least the same value, utility and remaining useful
     life as such Significant Portion had prior to the Event of Loss (assuming
     the Production System has been maintained in accordance with the terms of
     this Lease); provided that (w) if (1) the remaining portion of the
     Production System not suffering such Event of Loss is not capable of
     functioning for its intended purpose or (2) such remaining portion
     constitutes "limited use property" within the meaning of Revenue Procedure
     76-30 or (3) the Fair Market Sales Value of such remaining portion as of
     the end of such 180-day period is less than the product of (A) a fraction
     the numerator of which is the Lessor's Cost minus the Original Cost of the
     Significant Portion of the Undivided Interest suffering such Event of Loss
     and the denominator of which is Lessor's Cost and (B) the Fair Market
     Sales Value of the Production System as of the end of such 180-day period
     (assuming no such Event of Loss had occurred) or (4) the Original Cost of
     such Significant Portion together with the Original Cost of any other
     Significant Portion of the Undivided Interest in respect of which the
     Lessee has previously paid Stipulated Loss Value pursuant to this Section
     12.2 or Termination Value pursuant to Section 7.3 shall exceed 50% of
     Lessor's Cost or (5) the Estimated Fair Market Sales Value of such
     remaining portion as of the scheduled expiration of the Basic Term is less
     than the product of (A) a fraction the numerator of which is the Lessor's
     Cost minus the Original Cost of the Significant Portion of the Undivided
     Interest suffering such Event of Loss and the denominator of which is
     Lessor's Cost and (B) the estimated Fair Market Sales Value of the
     Production System as of the scheduled expiration of the Basic Term
     (assuming no such Event of Loss had occurred) or (6) subject to the
     following sentence, the Lessee shall have failed to provide the Owner
     Participant, by the 120th day following the occurrence of such Event of
     Loss, with an opinion of tax counsel of recognized national standing
     selected by the Lessee and reasonably acceptable to the Owner Participant
     to the effect that the termination of this Lease with respect to such
     Significant Portion will not result in a greater risk of unindemnified tax
     liability on the part of the Owner Participant than it would have had if
     such termination had not occurred (other than any tax liability of the 
     Owner Participant with respect to the inclusion in the taxable income of 
     the Owner Participant of the Stipulated Loss Value payable with respect to
     such Significant Portion), the Lessee shall, subject to clause (y) below, 
     be deemed to have elected the option set forth in paragraph (ii) above, 
     (x) if the Lessee shall fail to provide such written notice within such 
     180-day period, the Lessee shall, unless clause (w) of this proviso is 
     applicable, be deemed to have elected the option set forth in paragraph 
     (i) above, (y) the Lessee may not elect the option set forth in paragraph 
     (ii) during such
     time a Lease Default of the type described in Section 15(a), (b), (c) or
     (g) or Lease Event of Default shall have occurred and be continuing and
     (z) if the Lessee is deemed, pursuant to clause (w) above, to have elected
     the option set forth in paragraph (ii) above but is then prevented from
     electing such option pursuant to clause (y) above, an Event of Loss shall
     be deemed to have occurred with respect to the Undivided Interest.  The
     Lessee shall be deemed to have failed to provide the opinion referred to in
     clause (6) above if the Owner Participant provides the Lessee by 10
     Business Days after receipt of the opinion referred to in clause (6) above
     and the approval by the Lessee of the Owner Participant's choice of counsel
     an opinion of tax counsel selected by the Owner Participant and reasonably
     acceptable to the Lessee to the contrary and describing in reasonable 
     detail the increased risk of unindemnified tax liability.

      Unless the Lessee shall have elected (or shall be deemed to have
 elected) the option set forth in paragraph (ii) above, the Lessee shall pay,
 simultaneously with the payment of Stipulated Loss Value pursuant to paragraph
 (i) above, all Basic Rent due and owing prior to the date of such payment, all
 Supplemental Rent due and owing on or prior to the date of such payment and any
 other accrued Supplemental Rent as to which there is no dispute, and all Basic
 Rent due on such Basic Rent Payment Date (but excluding that portion of Basic
 Rent payable in advance on such Basic Rent Payment Date equal to the product of
 the Original Cost of the Significant Portion of the Undivided Interest
 suffering such Event of Loss and the percentage set forth in Column B (Advance
 Rent) of Schedule 1 opposite such Basic Rent Payment Date), whereupon (1)
 the obligations of the Lessee under this Lease (other than the obligations
 expressly stated to survive termination of this Lease, including the
 obligations set forth in the next sentence) shall terminate with respect to the
 Significant Portion of the Undivided Interest suffering such Event of Loss and
 (2) the Lessor shall transfer all right, title and interest of the Lessor in
 and to such Significant Portion, as is and where is, to the Lessee or as the
 Lessee shall direct, free and clear of Lessor's Liens and Owner Participant's
 Liens but otherwise without representation, warranty or recourse, and the
 Lessor shall, at the Lessee's expense, execute and deliver to the Lessee or as
 the Lessee shall direct a bill of sale or assignment and such other instruments
 and documents as the Lessee may reasonably request to evidence the valid
 consummation of such transfer and shall, at the Lessee's expense, take such
 actions under Section 6.03 of the Indenture as the Lessee may reasonably
 request.  The Lessee hereby agrees that, if the Event of Loss with respect to
 a Significant Portion of the Production System in respect of which the Lessee
 has paid Stipulated Loss Value pursuant to the preceding sentence is a Special
 Event of Loss, (A) promptly following the conveyance of the Significant
 Portion of the Undivided Interest pursuant to clause (2) of the preceding
 sentence, the Lessee shall cause the disposition of the Significant Portion of
 the Production System suffering such Special Event of Loss in accordance with
 the terms of the Operating Agreement, (2) any such disposition shall not
 result in the Lessee or any Affiliate of the Lessee obtaining the ownership or
 use thereafter of the Significant Portion of the Undivided Interest suffering
 such Event of Loss and (3) the Lessee shall, promptly following the
 disposition of the Significant Portion of the Production System suffering such
 Event of Loss pay to the Lessor an amount equal to the excess, if any, of (x)
 the proceeds of the sale of such Significant Portion allocated to the Lessee
 under Exhibit C to the Operating Agreement net of expenses incurred in respect
 of such sale (including, without limitation, any commissions or other fees
 payable to any brokers that are not Affiliates of the Lessee or the Operator)
 allocated to the Lessee under Exhibit C to the Operating Agreement over (y)
 the Stipulated Loss Value paid to the Lessor pursuant to this Section
 12.2(b).  In performing its obligation to dispose of a Significant Portion of
 the Production System pursuant to the preceding sentence, the Lessee shall act
 in a commercially reasonable manner as if it were the owner of such Significant
 Portion of the Production System entitled to retain all proceeds of the
 disposition.

       (c) At the time of or prior to any replacement of the
 Production System, any Component or any Significant Portion, the Lessee, at
 its own expense, will (i) furnish the Lessor with evidence that the Head
 Lessor (or, if the Head Lease has been terminated, the Lessor) has title to an
 undivided interest equal to the Undivided Interest Percentage in the
 replacement Production System, Components or Significant Portion, as the case
 may be, free and clear of all Liens other than Permitted Liens, (ii) cause
 supplements to the Head Lease (unless the Head Lease has been terminated) and
 this Lease to be issued with appropriate modifications, subjecting such
 undivided interest in the replacement Production System, Component or
 Significant Portion, as the case may be, to the Head Lease and this Lease,
 such supplements to be duly authorized, executed and delivered by the parties
 thereto, and to be filed for recordation in the same manner as provided for the
 Lease and the Head Lease in Section 4.16 of the Participation Agreement,
 (iii) if the Platform is being replaced, cause a supplement to the Ship
 Mortgage subjecting such undivided interest in the replacement Platform to the
 Lien of the Ship Mortgage to be duly authorized, executed and delivered by the
 appropriate parties and cause such Ship Mortgage to be filed for recordation in
 the same manner as provided for the Ship Mortgage in Section 4.16 of the
 Participation Agreement, (iv) so long as the Indenture shall not have been
 satisfied and discharged, request the Lessor to execute and deliver to the
 Indenture Trustee a supplement to the Indenture subjecting the Lessor's
 interest in the replacement Production System, Components or Significant
 Portion, as the case may be, to the Lien of the Indenture and requesting that
 such Indenture Supplement be filed for recordation in the same manner as
 provided for the Indenture in Section 4.16 of the Participation Agreement,
 (v) upon the request of the Lessor, furnish the Lessor with an opinion (upon
 which the Indenture Trustee shall be entitled to rely) of the Lessee's counsel
 which counsel shall be reasonably satisfactory to the Lessor and the Owner
 Participant, to the effect that (t) each of the supplements to the Head Lease
 and the Lease referred to in clause (i) above constitutes a legal, valid,
 binding and enforceable obligation of (u) in the case of the supplement to the
 Head Lease, the Head Lessor and (v) in the case of the Lease, the Lessee
 (subject to customary qualifications as to bankruptcy and equitable
 principles), (w) if the Platform is being replaced, the supplement to the Ship
 Mortgage referred to in clause (iii) above constitutes a legal, valid, binding
 and enforceable obligation of the Head Lessor (subject to, customary
 qualifications as to bankruptcy and equitable principles), (x) legal title to
 such replacement Production System, Component or Significant Portion, as the
 case may be, has vested in the Head Lessor (or, if the Head Lease has been
 terminated, the Lessor), (y) such replacement Production System, Components
 or Significant Portion, as the case may be, is free and clear of all Liens of
 record, other than Permitted Liens and (z) all filings, recordings and other
 action necessary or appropriate to perfect and protect the Lessor's and the
 Indenture Trustee's respective interests in the replacement Production System,
 Components or Significant Portion, as the case may be, have been accomplished,
 (vi) upon the request of the Lessor, furnish the Lessor with an Officer's
 Certificate (upon which the Indenture Trustee shall be entitled to rely)
 certifying that as of said date, and upon consummation of the replacement, no
 Lease Default of the type described in Section 15(a), (b), (c) or (g) or
 Lease Event of Default shall have occurred and be continuing and (vii) furnish
 such other documents and evidence as the Lessor or its counsel may reasonably
 request in order to establish the consummation of the transactions contemplated
 by this Section 12.2, including, without limitation, evidence that the
 replacement Production System, Components or Significant Portion, as the case
 may be, has a value, utility, remaining useful life and residual value at least
 equal to that of the Production System, Component or Significant Portion
 replaced.

      12.3. Application of Other Payments upon the Occurrence of an Event of
 Loss.  Any amounts of condemnation or requisition proceeds received at
 any time by the Lessor, the Indenture Trustee or the Lessee as a result of the
 occurrence of an Event of Loss shall be divided between the Lessee and the
 Lessor as their respective interests may appear or, in the case of proceeds of
 insurance maintained pursuant to Section 13.1(a)(ii), applied pursuant to
 Section 13.3, and the amount paid to the Lessor shall reduce the amount of
 Stipulated Loss Value that the Lessee is required to pay to the Lessor (but
 not below zero) pursuant to Section 12.2 (or, if the amount of Stipulated
 Loss Value payable pursuant to Section 12.2 has already been paid by the
 Lessee, the Lessee shall be entitled to retain out of the amounts otherwise
 payable to the Lessor pursuant to this Section 12.3, the amount that would
 have been applied in reduction of the amount of Stipulated Loss Value payable
 by the Lessee under Section 12.2).

      12.4.  Allocation of Payments Not Relating to an Event of Loss. 
 Payments (except for payments under Insurance policies described in Section
 13) received at any time by the Lessor, the Indenture Trustee or the Lessee
 from any Governmental Authority or other Person with respect to any
 destruction, damage, Loss, condemnation, confiscation, theft or seizure of or
 requisition of title to or use of the Undivided Interest or any part thereof
 not constituting an Event of Loss shall be paid over to the Lessee or the
 Lessor as their interests may appear.

      12.5.  Other Dispositions.  Notwithstanding anything to the
 contrary under the Operative Documents, as long as any Lease Default of the
 type described in Section 15(a), (b), (c) or (g) or any Lease Event of
 Default shall have occurred and be continuing, any amount that otherwise would
 be payable to or for the account of, or that otherwise would be retained by,
 the Lessee pursuant to this Section 12 or otherwise under the Operative
 Documents shall be paid to the Corporate Grantor Trustee (or to the Corporate
 Indenture Trustee as long as the Undivided Interest is subject to the Lien of
 the Indenture) as security for the obligations of the Lessee under this Lease
 and, subject to the Indenture, applied against the Lessee's payment obligations
 hereunder when and as they become due and payable and, at such time thereafter
 as no Lease Default of the type described in Section 15(a), (b), (c) or (g)
 or Lease Event of Default shall be continuing, such amount shall, to the extent
 not theretofore applied as provided herein or in the Indenture, be paid
 promptly to the Lessee or as it may direct.

                        SECTION 13.  INSURANCE.

      13.1.  Coverage.  (a)  The Lessee, at its own cost and expense, shall
 carry and maintain or cause to be carried and maintained in full force and
 effect at all times during the Lease Term in such amounts and with such terms
 (including co-insurance, deductibles, limits of liability and loss payment
 provisions) as are customary under the Lessee's risk management programs and
 customary industry practices; provided that at all times during the Lease Term,
 the Lessee shall at a minimum maintain the following types and amounts of
 insurance:  (i) public liability insurance against loss or damage for personal
 injury, death or property damage and against Claims including, without
 limitation, Environmental Claims arising out of or connected with the
 possession, use, leasing or condition of any part of the Production System in
 an amount of $100,000,000 for 100% interest and in such forms as are
 consistent with the Lessee's practice for other properties similar to the
 Production System owned or leased by the Lessee; (ii) all risk property
 insurance for the Undivided Interest in an amount equal to the lesser of
 Lessor's Cost and Stipulated Loss Value for the Undivided Interest; and (iii)
 Operator's Extra Expense coverage in such forms as are consistent with the
 Lessee's practice for other properties similar to the Production System owned
 or leased by the Lessee in an amount of $100,000,000 for 100% interest. 
 The insurance required under clause (i), (ii) or (iii) of this Section
 13.1(a) may be subject to deductible amounts and self-insured retentions (up
 to an aggregate amount of $50,000,000) as is consistent with the Lessee's
 practice for other properties similar to the Production System owned or leased
 by the Lessee.  Such insurance may be carried under blanket policies maintained
 by or on behalf of the Lessee so long as such policies otherwise comply with 
 the provisions of this Section 13.

      (b) Any insurance carried in accordance with Section
 13.1(a)(i) and (ii) shall provide in the policy or by special endorsement
 that:

      (i) the Lessor, the Trust Company, the Individual Grantor Trustee, 
     the Owner Participant, the Guarantor, the Indenture Trustee and each Loan 
     Participant are included as additional insureds and shall provide that no 
     such Person shall have any obligation or liability for payment of premiums;
     
      (ii) the insurer thereunder waives all rights of subrogation against the 
     Lessor, the Indenture Trustee, the Owner Participant, the Guarantor, and 
     each Loan Participant, and waives any right of set-off and counterclaim and
     any other right to deduction whether by attachment or otherwise;

      (iii)such insurance shall be primary without right of contribution of any 
     other insurance carried by or on behalf of the Lessor, the Indenture 
     Trustee, the Owner Participant, the Guarantor, and each Loan Participant;

      (iv) the respective interests of the Lessor, the Indenture Trustee, each 
     Loan Participant, the
     Owner Participant, and the Guarantor under all insurance policies required
     hereunder shall not be invalidated by any action or inaction of the Lessee
     or any other Person (other than, with respect to any such insured, such
     insured) and such insurance shall insure the Lessor, the Indenture
     Trustee, each Loan Participant, the Owner Participant, and the Guarantor
     as their interests may appear, regardless of any breach or violation of any
     warranty, declaration or condition contained in such policies by the Lessee
     or any other Person other than, with respect to any such insured, such
     insured);
     
      (v) if the insurers cancel such insurance for any reason whatsoever or any
     materially adverse change is made in policy terms or conditions, or if such
     insurance is allowed to lapse for nonpayment of premium, such cancellation,
     change or lapse shall not be effective as to the Lessor, the Owner 
     Participant, the Guarantor, each Loan Participant or the Indenture Trustee 
     for thirty days after receipt by the Lessor, the Owner Participant, each 
     Loan Participant or the Indenture Trustee, respectively, of written notice 
     from such insurers of such cancellation, change or lapse;

      (vi) with respect to all liability insurance, in as much as the policies 
     are written to cover more than one insured, all terms, conditions, insuring
     agreements and endorsements, with the exception of the limits of liability 
     shall operate in the same manner as if there were a separate policy 
     covering each insured; and
                           
      (vii) any payment under any policy of insurance maintained pursuant to 
     Section 13.1(a)(ii) shall
     be made to the Indenture Trustee so long as the Lien of the Trust Indenture
     shall not have been discharged, and otherwise to the Lessor as their
     respective interests may appear except that so long as any Lease Default of
     the type described in Section 15(a), (b), (c) or (g) or any Lease Event
     of Default shall have occurred and be continuing the first $25,000,000 of
     payments made in respect of any single casualty or other occurrence or in
     any policy year with respect to the Undivided Interest and the Other
     Percentage Undivided Interest shall be paid solely to the Lessee;
     
      13.2.  Adjustment of Losses.  Losses, if any, with respect to
 the Production System under any property damage policies required to be carried
 under Section 13.1(a) shall be adjusted with the insurance companies,
 including the filing of appropriate proceedings, by the Lessee.

      13.3.  Application of Insurance Proceeds.  All proceeds of
 insurance maintained pursuant to Section 13.1(a)(ii) paid to the Indenture
 Trustee or the Lessor, other than in connection with an Event of Loss or
 Partial Event of Loss as to which the Lessee has elected (or has been deemed to
 have elected) to pay Stipulated Loss Value, shall be paid over to the Lessee
 or as the Lessee may direct to pay for, or reimburse the Lessee for, its
 payment of the cost of repairing or restoring the Production System; provided,
 however, that such payments to the Lessee shall be made only upon (i) delivery
 by a Responsible Officer of the Lessee to the Lessor and the Indenture
 Trustee, if applicable, of a certificate (A) describing in reasonable detail
 the nature and cost of such repair or restoration and the actual expenditures
 theretofore made in connection therewith (and accompanied by copies of related
 invoices) and (B) certifying that the sum requested is a proper item of such
 cost, has not been the subject of any previous such request which has been paid
 to the Lessee and has been paid, or is then due and payable, by the Lessee and
 (ii) receipt by the Lessor and the Indenture Trustee, if applicable, of
 evidence satisfactory to each of them, in their reasonable judgment that such
 proceeds, together with funds of the Lessee available for the purpose will be
 sufficient to complete such repair and restoration of the Production System or
 portion thereof.

       13.4.  Additional Insurance.  Nothing in this Section 13 shall
 prohibit the Lessee, the Lessor, the Owner Participant or the Indenture
 Trustee from acquiring or maintaining, at its own expense, additional insurance
 for its own account with respect to loss or damage to the Undivided Interest or
 any part thereof provided that any such additional insurance shall not 
 nterfere with or in any way limit insurance maintained under Section 13.1(a) or
 increase the amount of any premium payable with respect to any such insurance. 
 The proceeds of any such additional insurance will be for the account of the
 party maintaining such additional insurance.
  
      13.5.  Annual Insurance Report.  Prior to December 31 of each
 year commencing in 1997, the Lessee will provide to the Lessor, the Owner
 Participant and the Indenture Trustee an insurance report and certificate,
 substantially in the form of the report and the certificate provided by the
 Lessee pursuant to Section 4.7 of the Participation Agreement, with respect to
 the insurance then required to be maintained by the Lessee pursuant to this
 Section 13.

                    SECTION 14.  RIGHTS TO ASSIGN OR LEASE; 
                                 LEASEHOLD MORTGAGE PROVISIONS 

       14.1.  Assignment by Lessor; Security for Lessor's Obligations to 
 Indenture Trustee.  (a)  Except as set forth in Section 14.l(b) or (c) or
 in the last two sentences of Section 19.8, the Lessor may not assign, transfer
 or encumber this Lease or all or any part of its interests and rights hereunder
 except in connection with the exercise of remedies by the Lessor following a
 declaration by the Lessor pursuant to Section 16.1 that this Lease is in
 default.  
 
       (b) (i)  In order to secure the
 indebtedness evidenced by the Secured Notes and certain other obligations as
 provided in the Indenture, the Indenture provides, among other things, for the
 assignment by the Lessor to the Indenture Trustee of its right, title and
 interest in, to and under this Lease to the extent set forth in the Indenture. 
 The Lessee hereby consents to such assignment pursuant to the terms and
 provisions of the Indenture and to any assignment or other transfer which may
 occur pursuant to the exercise of any remedy set forth in the Indenture.  The
 Lessee (i) acknowledges that such assignment provides for the exercise by the
 Indenture Trustee of certain rights of the Lessor hereunder to give any
 consents, approvals, waivers, notices or the like, to make any elections,
 demands or the like or to take any other discretionary action hereunder, but
 only in accordance with the Indenture, (ii) acknowledges receipt of an executed
 counterpart of the Indenture as in effect on the date hereof and (iii) agrees
 that, to the extent provided in the Indenture, the Indenture Trustee shall have
 all the rights of the Lessor hereunder and, in exercising any right or
 performing any obligation of the Lessor hereunder, shall be subject to the
 terms hereof.  The Lessee will furnish to the Indenture Trustee counterparts of
 all notices, certificates, opinions or other documents of any kind required to
 be delivered hereunder by the Lessee to the Lessor.  Notwithstanding any other
 provision herein, so long as any Secured Notes remain Outstanding, the Lessor
 hereby directs, and the Lessee agrees that, all payments of Basic Rent and all
 other Rent payable hereunder to the Lessor, other than Excepted Payments,
 shall be paid directly to the Corporate Indenture Trustee at its account
 specified in Schedule 1 to the Participation Agreement or to such other account
 as may be specified in writing by the Corporate Indenture Trustee to the Lessee
 at least 5 Business Days prior to the due date thereof.  The right of the
 Indenture Trustee to receive payments of Basic Rent shall not be subject to any
 defense, counterclaim, setoff or other right or claim of any kind which the
 Lessee may be able to assert against the Lessor or the Owner Participant in an
 action brought by either thereof on this Lease or otherwise.

       14.2.  Assignment and Sublease by Lessee.  The Lessee may,
 without the consent of any party to the Participation Agreement, at any time
 and from time to time, sublease the Undivided Interest or any portion thereof
 for any lawful use to another Person or assign this Lease and its interests and
 rights hereunder to any Affiliate of the Lessee; provided that (i) such
 sublease or assignment shall be expressly subject and subordinate to this Lease
 and the Operating Agreement (and such sublease or assignment shall contain a
 provision providing that any sublease or assignment permitted thereunder shall
 be so subject and subordinate) and shall in no event continue beyond the Lease
 Term, (ii) the Lessee shall remain primarily liable under this Lease and the
 Other Operative Documents and all terms and conditions hereof and of the other
 Operative Documents shall remain in full force and effect and shall be complied
 with as though no such sublease or assignment was in existence (iii) each of
 the Owner Participant, the Guarantor, the Lessor, the Indenture Trustee and
 the Loan Participant shall have received such opinions (other than any opinion
 regarding United States Federal income taxes) as the Owner Participant, the
 Guarantor, the Lessor, the Indenture Trustee or the Loan Participant shall
 reasonably request, (iv) such sublessee or assignee shall not be subject to any
 bankruptcy, insolvency or other similar proceedings affecting creditors' rights
 on the commencement date of the sub-sublease and shall have such authorizations
 and approvals under Governmental Rules (and all Governmental Actions shall have
 been taken) as may be necessary in order for such sublessee or assignee to
 perform its obligations under the sublease or assignment, (v) each of the Owner
 Participant, the Guarantor, the Lessor, the Indenture Trustee and the Loan
 Participant shall bear no unindemnified tax risk associated with such sublease
 or assignment, (vi) such sublease shall not permit further subleasing, (vii)
 such sublease or assignment, to the extent that the sublessee or assignee
 assumes responsibility for maintenance and insurance obligations of the Lessee,
 shall have terms with respect to such maintenance and insurance obligations no
 less stringent than those contained in Section 11 hereof, (viii) as of the
 date of commencement of the sublease or assignment, no Lease Default of the
 type described in Section 15(a), (b), (c) or (g) or Lease Event of Default
 shall have occurred and be continuing, (ix) the sublessee or assignee shall not
 be a Governmental Authority unless such Governmental Authority shall have
 waived its right of sovereign immunity, (x) such sublease or assignment shall
 have substantially the same terms with respect to use and operation as con-
 tained in Section 11 hereof, (xi) any such sublease or assignment shall not 
 impair any right or remedy of the Lessor under the Lease or any other Operative
 Document or the Indenture Trustee under any Operative Document and (xii) the
 Lessee shall have obtained all consents and taken all actions necessary to
 comply with all Governmental Rules and all shall have obtained all consents and
 taken all actions as may be required under any contract or agreement binding on
 the Lessee or the sublessee or assignee or any of their respective properties. 
 The Lessee shall give prompt written notice to the Lessor of any sublease or
 assignment and shall deliver a certified copy of any sublease or assignment to
 the Lessor within 10 days following the execution and delivery thereof.  Any
 assignment or sublease by the Lessee that is not in accordance with the terms
 of this Section 14.2 shall be a violation of this Lease and shall be null and
 void.

                        SECTION 15.  LEASE EVENTS OF DEFAULT.

       The term "Lease Event of Default", wherever used herein, shall
 mean any of the following events (whatever the reason for such Lease Event of
 Default and whether it shall be voluntary or involuntary, or come about or be
 effected by operation of law, or be pursuant to or in compliance with any
 judgment, decree or order of any court or any Governmental Rule or Governmental
 Action):

       (a)   the Lessee shall fail to pay Basic Rent within 5 Business Days
     after the date the same becomes due; or

       (b)  the Lessee shall fail to pay Stipulated Loss Value,
     Termination Value, any Early Buy Out Purchase Price or Fixed Price
     Purchase Amount within 10 Business Days after the date the same becomes
     due; or
       
      (c)  the Lessee shall fail to pay Supplemental Rent or make any
     other payment (other than Basic Rent, Stipulated Loss Value, Termination
     Value, Early Buy Out Purchase Price or Fixed Price Purchase Amount)
     required to be made by the Lessee under this Lease or under any other
     Operative Document for more than 30 Business Days after the Lessee has
     received written notice from the Lessor or the Indenture Trustee stating
     that such payment is due; or
      
      (d)  the Lessee, in any capacity under the Operative Documents,
     shall fail in any material respect to perform or observe any other covenant
     or agreement to be performed or observed by it under this Lease or any 
     other Operative Document (other than the Tax Indemnity Agreement (except 
     with respect to the Lessee's obligation to make any payment required by the
     Tax Indemnity Agreement)) and such failure shall continue for a period of
     thirty (30) days after the earlier of receipt by the Lessee of a written
     notice from the Lessor or the Indenture Trustee specifying such failure and
     requiring it to be remedied or the date Lessee obtains Actual Knowledge of
     such failure; provided, however, that the continuation of any such failure
     for such period of thirty (30) days or such longer period (not to exceed
     365 days or 180 days in the case of a failure to perform or observe the
     covenants contained in Section 10.16 or 10.17 of the Participation
     Agreement; provided that such 180 day period shall not extend beyond the
     date 1 year prior to the expiration of the Lease Term) after receipt of
     such notice shall not constitute a Lease Event of Default so long as
     (i) such failure is curable or correctable and (ii) the Lessee is
     diligently pursuing the cure or correction of such failure; or

      (e)  any representation or warranty made by the Lessee in any
     Operative Document (other than the Tax Indemnity Agreement) or in any
     Officer's Certificate of the Lessee delivered pursuant to any Operative
     Document shall prove to have been inaccurate in any material respect when
     made and such representation or warranty shall remain inaccurate in any
     material respect thirty (30) days after the earlier of receipt by the
     Lessee of a written notice thereof from the Lessor or the Indenture Trustee
     or the date the Lessee obtains Actual Knowledge of such inaccuracy;
     provided, however, that the continuation of any such inaccuracy for such
     period of thirty (30) days or such longer period (not to exceed 180 days)
     after receipt of such notice shall not constitute a Lease Event of Default
     so long as (i) such inaccuracy is curable or correctable and (ii) the
     Lessee is diligently pursuing the cure or correction of such inaccuracy; or
      
       (f)  the Lessee shall commence a voluntary case or other proceeding
     seeking liquidation, reorganization or other relief with respect to itself
     or its debts under any bankruptcy, insolvency or other similar law now or
     thereafter in effect or seeking the appointment of a trustee, receiver,
     liquidator, custodian or other similar official of it or any substantial
     part of its property, or shall consent to any such relief or to the
     appointment or taking possession by any such official or agency in an
     involuntary case or other proceeding commenced against it, or shall make a
     general assignment for the benefit of creditors, or shall take any 
     corporate action to authorize any of the foregoing; or 

      (g)  an involuntary case or other proceeding shall be commenced
     against the Lessee seeking liquidation, reorganization or other relief with
     respect to it or its debts under any bankruptcy, insolvency or other 
     similar law now or hereafter in effect or seeking the appointment of a 
     trustee, receiver, liquidator, custodian or other similar official or 
     agency of it or any substantial part of its property and such involuntary 
     case or other proceeding shall remain undismissed and unstayed for a period
     of ninety (90) days; or

      (h)  the Lessee shall fail to maintain (or cause to be maintained)
     the insurance required by Section 13 (subject to Lessee's right to self-
     insure); or

      (i)  the Lessee shall fail to maintain the Credit Support to the
     extent required by Section 10.14 of the Participation Agreement; or 

      (j) the Lessee shall fail to remove any lien relating to the Master
     Lease or the transactions contemplated thereby, including the failure to
     file any releases or termination statements necessary to remove any such
     lien, prior to 5:00 p.m. New York City time on the second Business Day
     following the Closing Date.

 provided, however, that notwithstanding anything to the contrary contained in
 Section 15(d), any failure of the Lessee to perform or observe any covenant or
 agreement specified in Section 15(d) shall not constitute a Lease Event of
 Default if such failure is caused solely by reason of any event that 
 constitutes an Event of Loss (or any event which with lapse of time would 
 constitute an Event of Loss) as long as the Lessee is continuing to comply with
 all the applicable terms of Section 12.
        
                           SECTION 16.  REMEDIES.

      16.1.  In General.  Upon the occurrence of any Lease Event of
 Default and so long as the same shall be continuing, the Lessor, at its option,
 may declare this Lease to be in default by written notice to such effect given
 to the Lessee (provided that this Lease shall be deemed to have been declared
 in default without the necessity of such written notice upon the occurrence of
 any Lease Event of Default described in paragraph (f) or (g) of Section 15
 and it shall not be necessary for the Lessor to declare the Lease in default
 prior to exercising any remedy described in Section 16.1(g) or prior to making
 any demands that are required to be made as a condition to exercising any 
 remedy described in Section 16.1(g)), and at any time thereafter, provided such
 Lease Event of Default shall be continuing, the Lessor may, to the extent
 permitted by applicable Governmental Rules, exercise one or more of the
 following remedies, as the Lessor in its sole discretion shall elect:

      (a) the Lessor, by notice to the Lessee, may rescind or terminate
     this Lease;
      
      (b)  whether or not this Lease has been terminated, the Lessor may
     demand that the Lessee, and upon the written demand of the Lessor, the
     Lessee shall, surrender the Undivided Interest promptly to the Lessor in
     the manner and condition required by, and otherwise in accordance with the
     provisions of, this Lease as if the Undivided Interest were being returned
     at the end of the Lease Term and the Lessor shall not be liable for the
     reimbursement of the Lessee for any costs and expenses incurred by the
     Lessee in connection therewith;
      
      (c)  the Lessor may (whether or not the Lessor has taken possession
     thereof), subject to the rights of the Operator and the Other Owner under
     the Operating Agreement, sell all or any portion of the Undivided Interest
     at public or private sale, as the Lessor may determine, free and clear of
     any rights of the Lessee with respect thereto (except pursuant to the
     Agency and Support Agreement) and without any duty to account to the Lessee
     with respect to such sale or any proceeds with respect thereto (except to
     the extent required by paragraph (e) or (f) of this Section 16.1 if the
     Lessor shall elect to exercise its rights thereunder), in which event the
     Lessee's obligation to pay Basic Rent with respect to the interest sold
     accruing after the date of such sale shall be terminated (except to the
     extent that Basic Rent is to be included in computations under paragraph
     (e) or (f) of this Section 16.1 if the Lessor shall elect to exercise its
     rights thereunder);
      
      (d)  the Lessor may, subject to the rights of the Operator and the
     Other Owner under the Operating Agreement, hold or lease to others all or a
     portion of the Undivided Interest, as the Lessor in its sole discretion may
     determine, free and clear of any rights of the Lessee with respect thereto
     (except pursuant to the Agency and Support Agreement) and without any duty
     to account to the Lessee with respect to such action or inaction or for any
     proceeds with respect to such action or inaction, except that the Lessee's
     obligation to pay Basic Rent after the Lessee shall have been deprived of
     use of all or a portion of the Undivided Interest pursuant to this 
     paragraph (d) shall be reduced by the net proceeds, if any, received by the
     Lessor from leasing all or a portion of the Undivided Interest to any 
     Person other than the Lessee for the same periods or any portion thereof;
      
      (e)  whether or not the Lessor shall have exercised or thereafter at
     any time shall exercise its rights under paragraph (a), (b), (c) or (d)
     of this Section 16.1, the Lessor may demand, by written notice to the
     Lessee specifying a payment date which shall be a Stipulated Loss Value
     Determination Date not earlier than 10 Business Days after the date of
     such notice, that the Lessee pay to the Lessor, and the Lessee shall pay to
     the Lessor, on such specified payment date, as liquidated damages for loss
     of a bargain and not as a penalty (in lieu of the Basic Rent accruing on or
     after such specified payment date), any unpaid Basic Rent due and owing on
     or prior to such specified payment date (but excluding any Basic Rent
     payable in advance on such payment date) and any unpaid Supplemental Rent
     (to whomsoever payable) due and owing on or prior to the date of such
     payment and any other accrued Supplemental Rent as to which there is no
     dispute, plus whichever of the following amounts the Lessor, in its sole
     discretion, shall specify in such notice (together with interest on such
     amount at the Overdue Rate from such specified payment date to the date of
     actual payment):
      
           (i)  an amount equal to the excess, if any, of Stipulated
          Loss Value for the Undivided Interest as of such specified payment
          date over the Fair Market Sales Value of the Undivided Interest as
          of such specified payment date (or the last day of the Basic Lease
          Term, if earlier); or
      
           (ii) an amount equal to the excess of (1) the present value
          as of such specified payment date of all installments of Basic Rent
          payable on or after such specified payment date during the remaining
          balance of the Basic Lease Term (or any Renewal Term then in
          effect), discounted semiannually at a rate per annum equal to the
          Debt Rate, over (2) the present value as of such specified payment
          date of the Fair Market Rental Value of the Undivided Interest
          during the remaining balance of the Basic Lease Term (or any Renewal
          Term then in effect), discounted semiannually at a rate per annum
          equal to the Debt Rate; or

           (iii)an amount equal to the greatest of (A) Stipulated Loss Value for
          the Undivided Interest
          determined as of such specified payment date, (B) the discounted
          Fair Market Rental Value of the Undivided Interest for the remaining
          useful life thereof determined pursuant to subclause (2) of clause
          (ii) of this paragraph (e), and (C) the Fair Market Sales Value
          determined pursuant to clause (i) of this paragraph (e), and, in
          this event, upon full payment by the Lessee of all sums due
          hereunder, the Lessor shall, without recourse, representation or
          warranty (other than the absence of Owner Participant's Liens and
          Lessor's Liens) transfer all of its right, title and interest in and
          to the Undivided Interest to the Lessee, as is and where is,
          whereupon this Lease and the Lessee's obligations hereunder shall
          terminate.  The Lessor shall, at the Lessee's expense, execute and
          deliver to the Lessee a bill of sale or assignment and such other
          instruments, documents and opinions as the Lessee may reasonably
          request to evidence the valid consummation of such transfer and
          shall, at the Lessee's expense, take such actions under Section
          6.03 of the Indenture as the Lessee may reasonably request; or
         
           (iv) an amount equal to the excess, if any, of Stipulated
          Loss Value for the Undivided Interest,  computed as of such
          specified payment date, over the Fair Market Rental Value of the
          Undivided Interest during the remaining Basic Lease Term (or any
          Renewal Term then in effect), after discounting such Fair Market
          Rental Value semiannually to present value as of such specified
          payment date at a rate per annum equal to the Debt Rate;

      (f) if the Lessor shall have sold all of the Undivided Interest, as a
     whole or by a series of sales of portions thereof pursuant to paragraph
     (c) of this Section 16.1 or other right of sale, the Lessor, in lieu of
     exercising its rights under paragraph (e) of this Section 16.1, may, if it
     shall so elect, demand that the Lessee pay to the Lessor and the Lessee
     shall pay to the Lessor on the date of such sale, as liquidated damages for
     loss of a bargain and not as a penalty (in lieu of Basic Rent accruing on
     or after the next Basic Rent Payment Date following the date of such
     sale), any unpaid Basic Rent due and owing on or prior to such next Basic
     Rent Payment Date (but excluding any Basic Rent payable in advance on such
     Basic Rent Payment Date) and any other Supplemental Rent due and owing on
     or prior to such next Basic Rent Payment Date and any other accrued
     Supplemental Rent as to which there is no dispute, plus the amount of any
     deficiency between Stipulated Loss Value for the Undivided Interest,
     computed as of such next Basic Rent Payment Date, and the proceeds of such
     sale, together with interest at the Overdue Rate on the amount of such
     Rent, from the due date or dates thereof, and on the amount of such
     deficiency from the date of such sale, until the date of actual payment;
     
      (g)  If the Lessor has previously exercised its rights under any of
     the foregoing remedies to demand Stipulated Loss Value or any amount
     determined by reference thereto (or if it is prevented from demanding such
     amounts whether by the provisions of the Indenture or by operation of any
     stay or similar law or otherwise at a time when a Lease Event of Default
     has occurred and is continuing), then, unless all Rent owing to the Owner
     Participant and the Lessor under the Operative Documents shall have been
     paid in full, the Lessor shall be entitled to draw on the Letter of Credit
     (or any other letter of credit naming the Lessor and/or the Owner
     Participant as a beneficiary as contemplated by Section 10.14 of the
     Participation Agreement) or demand payment under the Surety Bond (or any
     other surety bond held by the Lessor and/or the Owner Participant as
     contemplated by Section 10.14 of the Participation Agreement) then in
     effect, and upon the receipt of proceeds from the Letter of Credit (or
     letter of credit) or Surety Bond (or surety bond), the Lessor shall apply
     such proceeds in accordance with Section 3.8 hereof; or 
      
      (h)  the Lessor may exercise any other right or remedy that may be
     available to it under applicable law or proceed by appropriate court action
     to enforce the terms hereof or to recover damages for the breach hereof.
      
      16.2.  Continuing Obligations.  No rescission or termination of
 this Lease, in whole or in part, or repossession of the Undivided Interest or
 exercise of any remedy under Section 16.1 shall, except as specifically
 provided herein, relieve the Lessee of any of its liabilities and obligations
 hereunder.  The Lessee shall be liable (i) for all reasonable legal fees and
 other reasonable costs and expenses incurred by the Lessor, the Owner
 Participant, each Loan Participant or the Indenture Trustee by reason of the
 occurrence of any Lease Event of Default or the exercise of the Lessor's
 remedies with respect thereto, including all costs and expenses reasonably
 incurred in placing the Undivided Interest in the condition required by Section
 8.1 and (ii) except as otherwise provided herein, for any and all other
 accrued and unpaid Rent hereunder before, after or during the exercise of any
 of the foregoing remedies.  At any sale of the Undivided Interest or any part
 thereof pursuant to Section 16.1, the Lessor, the Owner Participant, each
 Loan Participant, or the Indenture Trustee may bid for and purchase such
 property.

      16.3.  Remedies Cumulative.  To the extent permitted by
 applicable law and except as provided herein, no remedy under Section 16.1 is
 intended to be exclusive, but each shall be cumulative and in addition to any
 other remedy provided under Section 16.1 or otherwise available to the Lessor
 at law or in equity.  No express or implied waiver by the Lessor of any Lease
 Default or Lease Event of Default shall in any way be, or be construed to be,
 a waiver of any future or subsequent Lease Default or Lease Event of Default. 
 The failure or delay of the Lessor in exercising any rights granted it here-
 under upon the occurrence of any of the contingencies set forth herein shall
 not constitute a waiver of any such right upon the continuation or recurrence 
 of any such contingencies or similar contingencies and any single or partial
 exercise of any particular right by the Lessor shall not exhaust the same or
 constitute a waiver of any other right provided herein.  To the extent
 permitted by applicable law, the Lessee hereby waives any rights now or
 hereafter conferred by statute or otherwise which may enable it to cancel, quit
 or surrender this Lease, except as otherwise provided herein, or which may
 require the Lessor to sell, lease or otherwise use the Undivided Interest in
 mitigation of the Lessor's damages as set forth in Section 16.1 or which may
 limit or modify any of the Lessor's rights and remedies provided in Section
 16.1.

                        SECTION 17.  NOTICES.

      All communications, notices and consents provided for in this
 Lease shall be in writing and given in person or by courier or by means of
 telecopy or other wire transmission (with provision for assurance of receipt in
 a manner typical with respect to communications of that type), or delivered by
 a major overnight delivery service such as Federal Express or United Parcel
 Service, addressed to the respective addressee set forth in Schedule 1 to the
 Participation Agreement, or in each case at such other address as the Person
 entitled thereto shall from time to time designate by notice in writing to the
 Lessee and the Lessor.  All such communications, notices and consents given in
 such manner shall be effective as provided in Section 17.3 of the
 Participation Agreement.
      
                 SECTION 18.  RIGHT TO PERFORM FOR LESSEE.

      18.1.  Lessor's Right to Perform.  If the Lessee shall fail to
 make any payment to be made by it hereunder or shall fail to perform or comply
 with any of its other agreements contained herein or in any other Operative
 Document relating to the Undivided Interest or this Lease, following written
 notice to the Lessee, the Lessor may, but shall not be obligated to, make such
 payment or perform or comply with such agreement, and the amount of such 
 payment and the amount of all reasonable costs and expenses (including, without
 limitation, reasonable attorneys' and other professionals' fees and expenses)
 incurred in connection with such payment or the performance of or compliance
 with such agreement, as the case may be, together with interest thereon at the
 Overdue Rate, shall be deemed Supplemental Rent for the Undivided Interest,
 payable by the Lessee upon demand.

                        SECTION 19.  MISCELLANEOUS.

      19.1.  Amendments in Writing.  Neither this Lease nor any of the
 terms hereof may be amended, supplemented, waived or modified orally, but only
 by an instrument in writing signed by the party against which enforcement of
 such change is sought.

      19.2.  Severability of Provisions.  Any provision of this Lease
 which may be determined by competent authority to be invalid or unenforceable 
 in any jurisdiction shall, as to such jurisdiction, be ineffective to the 
 extent of such invalidity or unenforceability without invalidating or rendering
 unenforceable any remaining provisions hereof, and any such invalidity or
 unenforceability in any jurisdiction shall not invalidate or render
 unenforceable such provision in any other jurisdiction.  To the extent
 permitted by applicable law, the parties hereto hereby waive any provision of
 law which renders any provision hereof invalid or unenforceable in any respect.

      19.3.  GOVERNING LAW.  THIS LEASE SHALL BE GOVERNED BY,
 AND CONSTRUED IN ACCORDANCE WITH, THE INTERNAL LAWS OF THE STATE
 OF NEW YORK, WITHOUT REGARD TO ITS CONFLICT OF LAWS PRINCIPLES,
 EXCEPT TO THE EXTENT THAT THE LAWS OF ANY OTHER JURISDICTION MAY
 BE MANDATORILY APPLICABLE.

      19.4.  Headings.  The division of this Lease into sections, the
 provision of a table of contents and the insertion of headings are for
 convenience of reference only and shall not affect the construction or
 interpretation of this Lease.

      19.5.  Counterpart Execution.  This Lease may be executed in any
 number of counterparts and by each of the parties hereto on separate
 counterparts, all such counterparts together constituting but one and the same
 instrument, with the counterpart containing the receipt therefor executed by 
 the Indenture Trustee on or immediately following the signature page thereof 
 being deemed the "original executed counterpart" and all other counterparts 
 being deemed duplicates.  For purposes of recordation, Lessor and Lessee agree 
 that certain information set forth on Schedules 1 through 6 may be omitted from
 the counterpart presented for filing.

      19.6.  Successors and Assigns.  This Lease, including the terms
 and provisions hereof, shall be binding upon the Lessor and the Lessee and
 their respective successors and assigns and inure to the benefit of the Lessor
 and the Lessee and their respective successors and permitted assigns.

       19.7.  Investment of Security Funds .  Any amounts held by the
 Lessor as security hereunder that would be payable to the Lessee upon
 satisfaction of any applicable conditions shall be invested and reinvested by
 the Lessor (or, so long as the Undivided Interest shall be subject to the Lien
 of the Indenture, the Indenture Trustee), from time to time in Permitted
 Investments at the written direction of the Lessee.  The Lessor shall have no
 liability for any loss resulting from any investment required to be made other
 than by reason of its willful misconduct or gross negligence.  Any net income
 or gain realized as a result of any such investment or reinvestment shall be
 applied by the Lessor at the same time, on the same conditions and in the same
 manner as the amounts in respect of which such income or gain was realized are
 required to be distributed in accordance with the provisions hereof, or of any
 other Operative Document pursuant to which such amounts were required to be
 held.  The Lessee shall be responsible for any net loss realized as a result of
 any such investment or reinvestment and shall reimburse the Lessor (or the
 Indenture Trustee, as the case may be) therefor on demand.  Any Permitted
 Investment may be sold or otherwise reduced to cash (without regard to
 maturity) by the Lessor whenever necessary to make any application as required
 by the terms of this Lease or of any applicable Operative Document.

      19.8. Immunities; Satisfaction of Undertakings; Successor Grantor Trustee.
 Except as provided in Section 9.2, all and each of the
 representations, warranties, undertakings and agreements herein made on the
 part of the Lessor are made and intended not as personal representations,
 warranties, undertakings and agreements by or for the purpose or with the
 intention of binding the Lessor personally but are made and intended for the
 purpose of binding only the Trust Estate (including the Louisiana Trust
 Estate), and this Lease is executed and delivered by the Lessor solely in the
 exercise of the powers expressly conferred upon it as trustee under the Trust
 Agreement; and no personal liability or responsibility is assumed hereunder by,
 or at any time shall be enforceable against, the Lessor or any successor in
 trust on account of any representation, warranty, undertaking or agreement
 hereunder of the Lessor, either expressed or implied, all such personal
 liability, if any, being expressly waived by the Lessee; provided, however,
 that (a) the Lessee or any Person claiming by, through or under it, making
 claim hereunder, may subject to the terms and conditions hereof, look to the
 Trust Estate for satisfaction of such liability or responsibility and (b) the
 Lessor or its successor in trust, as applicable, shall be personally liable for
 its own gross negligence and willful misconduct and for the matters described 
 in clauses (i) through (v) of the last sentence of Section 7.1 of the Trust
 Agreement.  Subject to the terms and conditions hereof, each time a successor
 Grantor Trustee is appointed in accordance with the terms of the Trust
 Agreement, such successor Grantor Trustee shall, without further act, succeed
 to all the rights, duties, immunities and obligations of its predecessor
 Grantor Trustee hereunder and under the other Operative Documents, and the
 predecessor Grantor Trustee shall be released from all further duties and
 obligations hereunder and under the other Operative Documents, all without the
 necessity of any consent or approval by the Lessee and without in any way
 altering the terms of this Lease or such other Operative Documents or the
 obligations of the Lessee hereunder or thereunder.  The Lessee, at its
 expense, upon receipt of written notice of the appointment of a successor
 Grantor Trustee in accordance with the Operative Documents, promptly shall make
 such modifications and changes to reflect such appointment as reasonably shall
 be requested by such successor Grantor Trustee in such insurance policies,
 schedules, certificates and other instruments relating to the Undivided
 Interest or this Lease or the other Operative Documents, all in form and
 substance reasonably satisfactory to such successor Grantor Trustee.

      19.9.  Performance of Obligations to Indenture Trustee and Holders.
 After the Undivided Interest shall no longer be subject to the Lien
 of the Indenture, the provisions of this Lease which require or permit any
 action by, any consent, approval or authorization of, the furnishing of any
 document, paper or information to, or the performance of any other obligation
 to, the Indenture Trustee or any Holder shall not be effective, and the
 Sections hereof containing such provisions shall be read as though there were 
 no such references to any such requirements or permissions.

     19.10.  True Lease.  This Lease is intended as and shall
 constitute an agreement of lease and nothing herein shall be construed as
 conveying to the Lessee any right, title or interest in or to the Undivided
 Interest other than as lessee hereunder, it being expressly understood by the
 parties hereto that the foregoing does not constitute a covenant, 
 representation or warranty of the Lessee.  This Lease is intended to be a 
 "Finance Lease" under Article 2A of the Uniform Commercial Code as in effect in
 the State of New York and a "true lease" for federal income tax purposes.

      19.11.  Survival of Agreements .  The representations,
 warranties, covenants and indemnities of the parties provided for in the
 Operative Documents, and the parties' obligations under any and all thereof,
 shall survive the execution and delivery of this Lease, the Investment by the
 Owner Participant and the purchase of the Secured Notes by the Loan
 Participant, any disposition of any interest of the Owner Participant or the
 Lessor in the Production System, and shall be and continue in effect
 notwithstanding any investigation made by any of such parties and the fact that
 compliance with any of the other terms, provisions or conditions of any of the
 Operative Documents shall have been waived.  Except as expressly provided in
 Section 12 of the Participation Agreement, all indemnities (and the Lessee's
 obligation to pay Supplemental Rent with respect thereto) shall survive
 termination of the Lease.

<PAGE>
<PAGE>

      THUS DONE AND PASSED, on this [  ] day of November, 1996,
 but effective for all purposes as of November 15, 1996, before me, the
 undersigned Notary Public, in and for the County of New York, State of New
 York, and in the presence of the undersigned competent witnesses, who have
 hereunto signed their names with the Grantor Trustee, Enserch Exploration and
 me, said Notary Public, after reading of the whole.
                               
                                
                               WILMINGTON TRUST COMPANY,
                               not in its individual capacity but solely as
                               Corporate Grantor Trustee under the Trust
                               Agreement
   
   
   
                               By:/s/ Thomas P. Laskaris
                                  Its: Vice President
     
     
     
                               THOMAS P. LASKARIS,
                               not in his individual capacity but solely as
                               Individual Grantor Trustee under the Trust
                               Agreement
                                     
   
                               /s/ Thomas P. Laskaris
   
   WITNESSES:                  ENSERCH EXPLORATION, INC.
 
 
   Name: /s/ Chris R. Becker   By:/s/ J. T. Leary              
        (Please Print)            Its: Vice President, Finance
                                       and Treasurer
 
                              
  
 
                                      
 Name:  /s/ Depak Ghosh       
        (Please Print)
 
     
     
     
                                            
                         NOTARY PUBLIC
 
               in and for the State of New York
                               
                     /s/ Thomas A. Scott                 
                             
                     My Commission Expires:

                             8/31/97
                                                       
                (PRINTED NAME OF NOTARY PUBLIC)
                             
                               
                   



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