| Execution              Copy |   |   | **CONFIDENTIAL              TREATMENT REQUESTED. CONFIDENTIAL PORTIONS OF THIS DOCUMENT HAVE BEEN              REDACTED AND HAVE BEEN SEPARATELY FILED WITH THE              COMMISSION.** |
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*******

**          *****

***Confirmation***
*******
***Party      A***
***Party      B***
***Transaction***

***ISDA***
***2000      ISDA Definitions***
***Commodity      Definitions***
***“Transactions”***

***ISDA      Form***
***Agreement***
***Confirmation***
***Transaction***
***USD***

***Payor***
***Payee***
***Tax***
***“Tax”***

**1.    **
**Transactions:**

***“Transaction”***

**2.    **
**Collateral      Requirements:**

*******

*****      **

| (a) | ***Provision                Controlling***.                Notwithstanding anything to the contrary in this Transaction, the                ISDA                Form or the Agreement, the provisions of this Section 2 shall govern                all                of the obligations of Party B with respect to the posting of collateral                to                Party A with respect to this Transaction, all Transactions under                the                Agreement and any Back to Back Documentation (as defined in Section                9). In                the event of any conflict between the terms and conditions of this                Section                2 and any other provision of the Agreement, any schedule, annex or                exhibit                to the Agreement, any Confirmation issued under the Agreement or                any Back                to Back Documentation, the terms of this Section 2 shall control                and                govern. The parties agree that this Section 2 shall be a part of                the                Agreement and any Back to Back Documentation as executed and shall                serve                as a collateral addendum for the Agreement and any Back to Back                Documentation. |
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| (b) | ***Trade                Date to LC Termination Date (“Phase I”)***. |
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|   | (i) | Phase I Collateral.              No later than three (3) Business Days after the Trade Date, Party B              shall,              in order to secure Party B's obligations hereunder, deliver to Party              A              Acceptable Letters of Credit having a collective stated amount equal              to              $500 million. Party B shall maintain such Acceptable Letters of Credit              in              effect until the date (the “***LC              Termination Date***”)              when Party B (through its applicable Affiliate) provides to Party A              or              Party A’s designee, and Party A accepts, the first priority security              interest in and lien on the Big Brown Collateral or otherwise provides              to              Party A or Party A’s designee, and Party A accepts, other Acceptable              Collateral as described in clause (c)(ii)(A) or (B) as applicable.              On the              earlier of (i) the LC Termination Date or (ii) the date on which no              obligations in respect of this Transaction remain outstanding (other              than              contingent and unasserted obligations in |
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|   |   | respect                of indemnities and similar provisions), Party A shall return the                Acceptable Letters of Credit referred to in this clause (b) to Party                B;                *provided*                that Party Amay                continue to hold such                Acceptable Letters of Credit notwithstanding the occurrence of the                LC                Termination Date where Party B has elected to increase theamount                of such Acceptable Letters of Credit pursuant                to clause (c)(ii)(B) below (and such Acceptable Letters of Credit                shall be                subject to return as specified in clause                (c)(iii) below). |
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|   | (ii) | Phase                I Due Diligence on Big Brown Collateral.                From and after the Trade Date, Party B shall provide, or cause its                Affiliates to provide, Party A and its representatives with commercially                reasonable access and cooperation to enable Party A to perform due                diligence review of the Big Brown Facility and/or the facilities                making up                any Alternative Physical Collateral, as applicable, which access                and                cooperation shall include (A) providing copies of relevant documents                (including tax and operational but excluding, except as provided                in                subclause (B) following, environmental information), (B) a copy of                the                most recent Phase I environmental site assessment, and, if such Phase                I                environmental site assessment resulted in a Phase II environmental                site                assessment, a copy of such Phase II environmental site assessment,                (C)                access to the relevant power generation facility and associated                interconnection, transportation, storage and other related facilities                during normal working hours, and (D) good faith responses to customary                requests for further relevant information (collectively ***“Due                Diligence”***).                Party A agrees to complete its Due Diligence within twenty-one (21)                days                of receipt from Party B of all of the information in Party A’s Due                Diligence requests. |
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| (c) | ***LC                Termination Date to Adjustment Date (“Phase II”)***. |
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|   | (i) | Condition                Precedent to the Delivery of the Phase II Physical                Collateral.                ** **It                shall be a condition precedent to Party B’s ability to deliver the first                priority lien on the Big Brown Collateral pursuant to Section 2(c)(ii)(A)                or, solely in the event that the Big Brown Collateral has previously                been                released, Section 2(f) below, or the first priority lien on the                Alternative Physical Collateral pursuant to Section 2(c)(ii)(B)(1)                or,                solely in the event that the Alternative Physical Collateral has                previously been released, Section 2(f) below, that first Party A                shall                have delivered a notice to Party B that Party A has completed its                Due                Diligence review to its satisfaction (a “***Diligence                Completion Notice***”)                or waived the same. Unless and until Party A delivers such notice                or                waiver, from and after ninety (90) days after the Trade Date, Party                B                shall provide Party A with the Acceptable Letter(s) of Credit specified                in                Section 2(c)(ii)(B)(2); *provided*,                *however*,                that Party B shall be entitled to request in writing that Party A                deliver                the Diligence Completion Notice at any time on or after the date                which is                thirty (30) days following the Trade Date (or, in the case of any                transaction under Section 2(f), fourteen (14) days following the                date on                which such transaction is proposed) and Party A shall, within ten                (10)                Business Days of the delivery of such request, either: (A) deliver                to                Party B the Diligence Completion Notice or (B) deliver to Party B                a                specific list of outstanding items that it requires in order to complete                its Due Diligence; *provided* *further*                that if Party A fails to provide either of the foregoing within said                ten                (10) Business Day period, it shall be deemed to have waived the condition                that a Diligence Completion Notice be                delivered. |
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|   | (ii) | Delivery                of Collateral.                Party B shall, within ninety (90) days of the Trade Date, in order                to                secure its obligations to Party A hereunder,                either: |
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|   |   | (A) | if              the condition in Section 2(c)(i) above has been satisfied or waived,              cause              to be delivered to Party A or Party A’s designee: (1) a first priority              lien on and security interest in the Big Brown Collateral, subject              to Big              Brown Permitted Liens; *provided*              that such first priority lien and security interest is and shall be              applicable solely to Party B’s obligations under this Transaction, all              Transactions under the Agreement and any other Back to Back Documentation              in an amount not to exceed its Collateral Percentage of the value of              the              Big Brown Collateral, (2) if required by Party A, a mortgagee’s title              policy on the real property interests in the Big Brown Collateral in              a              form reasonably acceptable to Party A and in an amount equal to              $100,000,000, or such lesser amount as may be agreed between Party              A and              Party B as representing the value of the real property interests only              with              respect to the Big Brown Collateral, (3) evidence of property insurance              covering the Big Brown Collateral consistent with customary utility              standards, (4) an opinion of Texas counsel (which may be in-house              counsel), and, with respect to enforceability of this Transaction,              New              York counsel to Party B (in each case subject to customary qualifications,              assumptions and exceptions) as to the valid formation of Party B and              Big              Brown Company, the power and authority of Party B |
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|   |   |   | and                Big Brown Company to execute, deliver, enter into, and perform its                obligations under this Transaction and the collateral security documents,                the enforceability of this Transaction, the creation and perfection                of the                security interests in the Big Brown Collateral in favor of Party                A (or its                designee) or its collateral agent and that this Transaction, the                Agreement                and the collateral security documents do not violate the provisions                of                Party B or Big Brown Company’s governing documents or material agreements                (collectively, the ***“Opinions”***);                (5) a copy of a real property mortgage and fixture filing (the                “***Big                Brown Mortgage***”)                granting the lien and security interest referred to in clause (1)                above,                (6) UCC-1 financing statements filed with the appropriate state and                local                authorities perfecting the lien and security interest on personal                property                referred to in clause (1) above, (7) a letter agreement, in a form                reasonably acceptable to Party A, between Party B and Big Brown Company                pursuant to which Party B pays Big Brown Company a fee of $500,000                per                annum (in advance) in consideration for Big Brown Company making                its                assets available for credit support for Party B’s obligations, and which                provides that, for so long as the Big Brown Collateral is provided                to                Party A hereunder, such letter agreement shall not be materially                modified                or terminated nor any of its material provisions waived, without                the prior                written consent of Party A, (8) a letter from TXU Energy Company                LLC to                Party A pursuant to which TXU Energy Company LLC indemnifies Party                A from                and against any and all claims, losses, liabilities, suits, obligations,                fines, damages, judgments, penalties, charges, costs and expenses                (including reasonable attorneys' fees and disbursements), whether                civil or                criminal, arising under a theory of negligence or strict liability,                or                otherwise, which, directly or indirectly: (I) arise or relate to                the                period when an Affiliate of Party B was the owner or operator of                the Big                Brown Collateral, and (II) result from, or in connection with, any                use,                release or discharge of Hazardous Materials in violation of applicable                law                at, upon or under any property of Big Brown Company, and which provides                that such indemnity letter will survive the transfer or novation                of this                Transaction, and (9) an                opinion of a qualified investment bank or valuation consultant (mutually                acceptable to Party A and Party B) that, after the delivery of the                Big                Brown Collateral hereunder, the Big Brown Company shall be solvent,                provided that the cost of such opinion shall be for the account of                Party A                (in the amount agreed upon prior to the commencement of such bank                or                consultant's engagement) (and                Big Brown Company shall, until the lien on the Big Brown Collateral                is                released in accordance with clause 2(c)(iii) below, be considered                a                ***“Credit                Support Provider”***                hereunder); or |
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|   |   | (B) | provide              to Party A (or Party A's designee)              either: |
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|   | (1) | if                  the condition in Section 2(c)(i) above has been satisfied or waived,                  collateral in the form of a first priority lien on and security                  interest                  in all or a portion of another coal and/or lignite-fired power                  plant                  (“***Alternative                  Physical Collateral***”),                  as mutually agreed between Party A and Party B and subject to Alternative                  Physical Collateral Permitted Liens, which Alternative Physical                  Collateral                  shall be (a) of at least equivalent value to the Big Brown Collateral,                  as                  determined by reference to the written opinion of an accounting                  or energy                  consulting firm chosen by mutual agreement of the Parties and generally                  known in the utility industry to have expertise in valuing power                  generation facilities, (b) delivered together with the deliverables                  identified in sub-clauses (2) through (9) of Section 2(c)(ii)(A)                  of this                  Confirmation, with such changes as are necessary to reflect the                  substitution of the Alternative Physical Collateral for the Big                  Brown                  Collateral, and the owner of the Alternative Physical Collateral                  for Big                  Brown Company, and (c) documented to reflect such grant of collateral                  as                  the parties may agree. The value of Party A’s claim against the lien and                  security interest shall be limited to an amount equal to the Collateral                  Percentage of the value of the Alternative Physical Collateral;                  or |
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|   | (2) | Acceptable                  Letters of Credit having a collective stated amount of $1 billion;                  *provided*                  that if the Big Brown Collateral, Alternative Physical Collateral                  or the                  DevCo Collateral has not been provided prior to the date that is                  three                  hundred and sixty-five (365) days following the Trade Date (such                  date, the                  “***Anniversary                  Date***”),                  the aggregate amount of such Acceptable Letters of Credit shall                  be                  increased on the Anniversary Date to $2.0                  billion; |
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***Acceptable      Collateral***

*provided*

|   | (iii) | Release              of Collateral.              On the earlier of (A) the Five Plant Permit Date and (B) the date on              which              no obligations in respect of this Transaction remain outstanding (other              than contingent and unasserted obligations in respect of indemnities              and              similar provisions), Party A shall, at Party B’s sole cost and expense,              release its liens on and security interests in the Big Brown Collateral              or              other Acceptable Collateral (or, in the case of Acceptable Collateral              consisting of an Acceptable Letters of Credit, return such Acceptable              Letters of Credit to Party B) and promptly execute such releases and              other              documentation as may be necessary or, in the reasonable opinion of              Party              B, desirable to effect such release. |
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|   | (iv) | Additional              Liens.              If, at any time, and subject to Section 2(c)(v) below, Party B or any              of              its affiliates desire to provide a lien on and security interest in              the              Big Brown Collateral or other Alternative Physical Collateral to any              person other than Party A in order to secure obligations under any              other              indebtedness (including, without limitation, other commodity hedges,              power              purchase agreements or similar hedge obligations) of any person, Party              A              agrees that (A) to the extent that any mortgage or security interest              has              been granted in such collateral in Party A’s name or the name of its              designee, it shall cause such collateral to be assigned or otherwise              transferred to a collateral agent selected by Party B to act for the              benefit of all persons that are to share in such collateral pursuant              to              such indebtedness and (B) it shall execute and deliver such collateral              agency and intercreditor documentation as may be necessary or, in the              opinion of Party B, desirable to: (1) appoint the collateral agent              for              purposes of holding the applicable collateral and exercising remedies              in              respect thereof, (2) reflect the sharing of the lien on such collateral              on              a pari passu basis with Party A’s interest equaling its Collateral              Percentage (or Modified Percentage, as applicable) of the value of              the Big              Brown Collateral (or value of the Alternative Physical Collateral,              as              applicable) and (3) reflect that Party A shall only be entitled to              vote              its Collateral Percentage (or Modified Percentage, as applicable) in              connection with any exercise of remedies against the Big Brown Collateral              or other Alternative Physical Collateral. It              is understood and agreed that in the event that any person other than              Party A shall be granted a lien on the Big Brown Collateral or Alternative              Physical Collateral as contemplated in this clause (iv), such person              will              have a "Collateral Percentage" and a "Modified Percentage" calculated              in              respect of it in the same manner as Party A's Collateral Percentage              and              Modified Percentage are calculated hereunder.  In addition, where              this agreement refers to the aggregate Collateral Percentage or aggregate              Modified Percentage, it is understood and agreed that this means the              aggregate across all parties secured by liens on the Big Brown Collateral              or Alternative Physical Collateral, as the case may              be. |
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|   | (v) | Limits                on Additional Hedges.                ******* |
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|   | (vi) | Restrictions on Further Liens in              Phase I              and Phase II.              Prior to the Adjustment Date, to the extent that any mortgage or security              interest has been granted in the Big Brown Collateral or Alternative              Physical Collateral in Party A’s name or the name of its designee, Party B              shall not, and shall cause Big Brown Company not to and/or if applicable              the owner of any Alternative Physical Collateral not to, create, incur              or              suffer to exist any liens on Big Brown Collateral or Alternative Physical              Collateral, as applicable, other than the liens granted herein and,              in the              case of Big Brown Collateral, any Big Brown |
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|   |   | Permitted              Lien and in the case of Alternative Physical Collateral, any Alternative              Physical Collateral Permitted Lien (including, without limitation,              in the              case of Big Brown Permitted Liens and Alternative Physical Collateral              Permitted Liens, liens in favor of other counterparties on power purchase              agreements and commodity or hedging agreements, as contemplated in              Section              2(c)(iv)). |
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|   | (vii) | Shared                Facilities at Big Brown.                In connection with the development, construction and operation of                Unit 3                of the Big Brown Facility, Big Brown Company and Party B (or its                affiliates) shall enter into one or more shared facilities agreements                on                commercially reasonable terms in order to assure that both parties                have                full use and enjoyment of shared facilities at the Big Brown facility,                including but not limited to, coal storage and handling, rail access,                fire                suppression, electrical interconnection and water supply. Such agreements                shall also contain customary non-exclusive reciprocal easements for                access, egress, utilities, control systems and plant operations.                Party A,                if it is the sole mortgagee with respect to the Big Brown Collateral,                shall have the right, upon enforcement of its remedies in accordance                with                the security interest under the Big Brown Mortgage, to have access                to                shared facilities and related easements so as to facilitate its full                use                and enjoyment of the Big Brown Collateral (“***Step-In                Rights***”),                and any intercreditor documentation subsequently entered into hereunder                will grant Step-In Rights to the applicable collateral agent for                the                benefit of Party A and                other creditors under the Big Brown Mortgage. The                sharing agreements shall provide that Big Brown Company agrees and                consents to the assignment of rights and delegation of duties under                such                shared facilities agreements pursuant to the Step-In Rights. |
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|   | (viii) | Further                Due Diligence.                Party A may, at any time and from time to time, conduct further follow-on                Due Diligence and request regularly produced environmental reports                (unless                the furnishing of such reports would jeopardize claims of privilege)                on                any Big Brown Collateral or Alternate Physical Collateral that has                been                provided under this Confirmation. |
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***Following      Adjustment Date (“Phase III”).***

|    | (i) | Delivery                of Collateral; Intercreditor Terms.                By no later than the Adjustment Date, in order to secure its obligations                under this Transaction and the Agreement, Party B shall deliver to                Party                A: |
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|   |   | (A) | (1)                a first priority security interest in and lien on the DevCo Collateral,                which security interest and lien are *pari                passu*                with the First Lien Credit Facilities, subject to DevCo Permitted                Liens                (which security interest shall be granted through the execution by                Party A                of an instrument which entitles Party A to share in the first priority                lien granted in the DevCo Collateral to holders of obligations under                the                First Lien Credit Facilities and a collateral agency and intercreditor                agreement executed in connection with the Senior Credit Facilities,                which                collateral agency and intercreditor agreement shall be on terms materially                consistent with the last paragraph of this clause (d)(i) (the ***“Intercreditor                Agreement”***));                *provided*                that such first priority security interest and lien is and shall                be                applicable solely to Party B’s obligations under this Transaction and the                Agreement in an amount not to exceed Party A’s Collateral Percentage of                the Maximum Credit Amount, (2) a reliance letter permitting Party                A to                rely on the opinions given to the administrative agent for the lenders                under the First Lien Credit Facilities by Texas counsel (which may                be                in-house counsel), and New York counsel in connection with the closing                of                the Senior Credit Facilities; and (3) a copy of a real property mortgage                and fixture filing granting the lien and security interest referred                to in                clause (1) above together with copies of UCC-1 financing statements                filed                with the appropriate state and local authorities perfecting the lien                and                security interest on personal property referred to in clause (1)                above;                and |
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|   |   | (B) | (1)              a second priority security interest in and lien on the DevCo Collateral,              which security interest and lien are *pari              passu*              with the Second Lien Credit Facilities, subject to DevCo Permitted              Liens              (which security interest shall be granted through the execution by              Party A              of (1) an instrument which entitles Party A to share in the second              priority lien granted in the DevCo Collateral to holders of obligations              under the Second Lien Credit Facilities and (2) the Intercreditor              Agreement); *provided*              that such second priority security interest and lien is and shall be              applicable solely to DevCo’s obligations under this Transaction and the              Agreement for any amount in excess of the amount secured by a first              lien              as provided in clause (A) above (and shall exclude, for the avoidance              of              doubt, any obligations novated or terminated as |
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|   |   | provided in Section 2 (f)(i), (ii) or              (iv)              below), (2) a reliance letter permitting Party A to rely on the opinions              given to the administrative agent for the lenders under the Second              Lien              Credit Facilities by Texas counsel, or in-house counsel, as appropriate,              and New York counsel in connection with the closing of the Senior Credit              Facilities; and (3) a copy of a real property mortgage and fixture              filing              granting the lien and security interest referred to in clause (1) above              together with copies of UCC-1 financing statements filed with the              appropriate state and local authorities perfecting the lien and security              interest on personal property referred to in clause (1)              above. |
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*pari        passu*
***Aggregate        Net Settlement Amount***

|   | (ii) | Release                  of Collateral.                  Party A agrees that it shall, at Party B’s sole cost and expense, release                  its first and second liens on and security interests in the DevCo                  Collateral (and Party A shall promptly execute such releases and                  other                  documentation as may be necessary or, in the reasonable opinion                  of Party                  B, desirable to effect such release): (A) on the date on which                  no                  obligations in respect of this Transaction remain outstanding (other                  than                  contingent and unasserted obligations in respect of indemnities                  and                  similar provisions) and (B) in connection with any sale, lease,                  transfer                  or other disposition of such DevCo Collateral that is permitted                  under the                  Senior Credit Facilities and, in the case of such clause (B), all                  other                  creditors who are parties to the Intercreditor Agreement, have                  simultaneously released all of their liens on such DevCo                  Collateral. |
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|   |   |   |
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| (e) | ***Additional                  Terms.*** |
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|   | (i) | Incorporation                  of First Lien Restrictive Covenants.                  On and after the Adjustment Date and prior to release of Party                  A’s first                  lien on the DevCo Collateral as described hereunder, the covenants                  of any                  First Lien Credit Facilities which directly have the effect of                  (A)                  restricting Party B’s (or DevCo’s, as applicable) ability to grant or                  suffer the existence of additional liens on the DevCo Collateral                  and (B)                  restricting Party B’s (or DevCo’s, as applicable) ability to incur                  additional indebtedness for borrowed money, are hereby incorporated                  by                  reference in their entirety as the same may be amended, modified,                  waived                  or supplemented in accordance with the terms of the First Lien                  Credit                  Facilities. |
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|   | (ii) | Incorporation                  of Second Lien Restrictive Covenants.                  On                  and after the Adjustment Date and prior to release of Party A’s second                  lien on the DevCo Collateral as described hereunder, the covenants                  of any                  Second Lien Credit Facilities which directly have the effect of                  (A)                  restricting Party B’s (or DevCo’s, as applicable) ability to grant or                  suffer the existence of additional liens on the DevCo Collateral                  and (B)                  restricting Party B’s (or DevCo’s, as applicable) ability to incur                  additional indebtedness for borrowed money, are hereby incorporated                  by                  reference in their entirety as the same may be amended, modified,                  waived                  or supplemented in accordance with the terms of the Second Lien                  Credit                  Facilities. |
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|   | (iii) | Refinancing.                  In the event of a refinancing or replacement of all or a portion                  of the                  Senior Credit Facilities in accordance with the terms thereof,                  upon the                  request of Party B, Party A shall enter into or consent to substitute                  First and Second Lien Collateral Documents and/or intercreditor                  agreements                  (as applicable). Party A shall not have any right to object to                  (and shall                  be deemed to have accepted) any provisions of such substitute agreement(s)                  which are more favorable to Party A than the provisions contemplated                  by                  the original agreement being entered into on the Five Plant Permit                  Date.                  Party A shall also have no right to object to (and shall be deemed                  to have                  accepted) any provisions of such substitute agreement(s) which                  (A) are                  less favorable to it than the provisions contemplated by such original                  agreement, if and to the extent the lenders under the applicable                  Senior                  Credit Facilities have accepted such provisions and such provisions                  do not                  materially and adversely affect Party A’s rights (taken as a whole) as a                  secured counterparty or (B) are customary for intercreditor, security,                  pledge or collateral agreements relating to similar transactions                  (to the                  extent not in conflict with the provisions of this Section 2).                  Without                  limiting the foregoing, Party A shall have no approval rights over                  the                  collateral agent, the depositary agent, or any consultant or advisor                  referred to in such substitute                  agreement(s). |
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|   | (A) | For                  so long as Party B is required to provide Big Brown Collateral,                  Alternative Physical Collateral or DevCo Collateral hereunder,                  Party B                  shall, and shall cause, as applicable, Big Brown Company, the owner                  of any                  Alternative Physical Collateral, and each Subsidiary Guarantor,                  to                  preserve, protect and defend the liens and security interests granted                  on                  such collateral, or in the case of DevCo Collateral, under the                  applicable                  First Lien Collateral Documents and Second Lien Collateral Documents,                  and,                  from time to time, take such actions as may be reasonably necessary                  to                  render fully valid and enforceable under all applicable laws the                  rights,                  liens and priorities of Party A with respect to such collateral                  furnished                  thereunder or intended to be so                  furnished. |
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|   | (B) | For                  so long as Party B is required to provide Big Brown Collateral                  or                  Alternative Physical Collateral hereunder, Party B shall not, and                  shall                  not permit Big Brown Company or the owner of any Alternative Physical                  Collateral to, sell, lease, transfer or otherwise dispose of any                  material                  portion of the Big Brown Collateral or Alternative Physical Collateral;                  *provided*                  that Party B, Big Brown Company and the owner of any Alternative                  Physical                  Collateral shall be permitted to (i) sell or otherwise dispose                  of power,                  capacity, ancillary services, coal, natural gas, fuel or inventory,                  (ii)                  sell, lease, transfer or otherwise dispose of assets that are obsolete,                  damaged or not used or useful in its business, (iii) sell, lease,                  transfer                  or otherwise dispose of assets to any Subsidiary Guarantor, and                  (iv) sell,                  lease, transfer or otherwise dispose of assets for cash consideration                  in                  an aggregate amount not to exceed $25,000,000 in any calendar                  year. |
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| (f) | ***Overhedging; Other              Adjustments***. |   |
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|    | (i) | Overhedging.                  On December 31, 2007 (the “***Hedge                  Calculation Date***”)                  Party B shall (A) calculate the gross capacity for all Subject                  DevCo                  Facilities (such capacity, the “***Permitted                  Capacity***”);                  (B) calculate the “***Permitted                  Hedge Capacity***”                  for each of calendar years 2009, 2010, 2011 and 2012 (each such                  year, a                  “***Hedge                  Year***”),                  which shall equal 51,000,000 MMBtus of natural gas hedge transactions                  per                  1,000 MW of Permitted Capacity scheduled to be commercially available                  in                  such calendar year per the EPC Contract as of December 31, 2007                  (*provided*                  that the                  size of the maximum allowed hedge position (as above, 51,000,000                  MMBtus                  per 1,000 MW of Permitted Capacity) will be prorated to reflect                  the                  monthly production schedule in each such Hedge Year based on the                  target                  online dates as of December 31, 2007); and (C)                  provide written notice of the Permitted Capacity and Permitted                  Hedge                  Capacity to Party A (the ***“Hedge                  Capacity Notice”***).                  In                  the event that notional amount of MMBtus hedged under this Transaction,                  together with any other Transactions under the Agreement or any                  other Back                  to Back Documentation and any hedge documentation with third-party                  hedge                  providers (collectively, for any such year, the “***Total                  Notional Hedge***”)                  results in Party B having outstanding notional amounts in respect                  in any                  Hedge Year in excess of the Permitted Hedge Capacity as calculated                  by                  Party B hereunder for such year, Party A and Party B agree that,                  within                  five (5) Business Days after Party B provides the Hedge Capacity                  Notice                  (the ***“Hedge                  Transfer Date”***),                  Party B shall novate or otherwise transfer to a Permitted Transferee                  pursuant to a Novation Agreement Party B’s rights and obligations under a                  pro rata portion of the Total Notional Hedge in excess of the Permitted                  Hedge Capacity under this Transaction, Transactions under the Agreement                  or                  under any other Back to Back Documentation (in each case as may                  be                  outstanding with Party A), which results in Party B retaining a                  basket of                  hedge transactions that keeps the average hedged price for such                  Hedge Year                  approximately the same as it was prior to such novation or transfer.                  On or                  immediately prior to the Hedge Transfer Date and as a condition                  precedent                  to the effectiveness of the Novation Agreement, each of Party B                  and the                  Permitted Transferee shall represent to Party A that it is not                  subject to                  an event or circumstance set forth Section                  5(a)(vii) of the ISDA Form (or the Agreement if then executed).                  Provided that Party B has complied in full with its obligations                  under this                  Section 2(f)(i), Party A agrees to: (x) enter into such novation                  or other                  transfer to a Permitted Transferee without requiring any termination                  payment or mark-to-market payment in connection therewith (*i.e.*,                  the hedge will be transferred at the original contract price with                  any                  embedded gain or loss not being realized at transfer); (y) pay                  to the                  Permitted Transferee a fee*******transferred                  as provided in this paragraph** **upon                  the novation or transfer of the relevant hedge to the Permitted                  Transferee; and (z) execute a Novation Agreement with Party B and                  the                  Permitted Transferee to give effect to such novation or transfer.                  If the                  Big Brown Collateral or Alternative Physical Collateral that serves                  as the                  collateral for the Permitted Transferee had previously been released                  upon                  the occurrence of the Five Plant Permit Date, then the liens on                  such                  collateral will be reconstituted thereon through the delivery of                  the                  documentation listed in Section 2(c)(i)(A) or 2(c)(i)(B)(1), as                  applicable. Further, if the Big Brown Collateral or Alternative                  Physical                  Collateral serves as the collateral for the Permitted Transferee,                  then                  Party A’s interest in such collateral shall be limited solely to its                  Modified Percentage of the value of such collateral. For the avoidance                  of                  doubt, after giving effect to this clause (f)(i), all portions                  of this                  Transaction, other Transactions under the Agreement and under Back                  to Back                  Documentation that (AA) are not subject to transfer or novation                  pursuant                  to this Section 2(f)(i) shall be secured solely by the DevCo Collateral                  and shall have no claim against the Big Brown Collateral or the                  Alternative Physical Collateral and (BB) are subject to transfer                  or                  novation pursuant to this Section 2(f)(i) shall be secured solely                  by the                  Big Brown Collateral or the Alternative Physical Collateral, as                  applicable, and shall have no claim against the DevCo                  Collateral. |
|--------------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |  |
|--------|--|

|   | (ii) | Sale of Assets.                In the event that DevCo shall sell or transfer any DevCo Facility                (including, without limitation, through the sale of a Subsidiary                Guarantor), Party B shall calculate the “***Allowed                Hedge Capacity***”,                which shall equal 51,000,000 MMBtus of natural gas hedge transactions                per                1,000 MW of gross capacity for each DevCo Facility still owned by                DevCo or                one of its subsidiaries (excluding the DevCo Facility to be sold)                that is                scheduled to be commercially available in such calendar year (*provided*                that the                size of the maximum allowed hedge position will be prorated to reflect                the                monthly production schedule in each such Hedge Year),                and provide written notice of such Allowed Hedge Capacity to Party                A, for                each Hedge Year that has not theretofore commenced (the “***Transfer                Hedge Capacity Notice***”).                Party B shall notify Party A in the event that the outstanding notional                amounts if any in respect of any Hedge Year would be in excess of                the                Allowed Hedged Capacity after such sale |
|--------|------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

|   |   | or                transfer. Party A and Party B agree that at the closing of such sale                or                transfer**,**                Party B shall, at its option: (A) terminate all or a portion of this                Transaction, Transactions under the Agreement or under any other                Back to                Back Documentation (with the appropriate Party making the termination                payment pursuant to Section 6(e) of the ISDA Form or the Agreement                (as                applicable)); or (B) novate or otherwise transfer to a Permitted                Purchaser                pursuant to a Novation Agreement Party B’s rights and obligations under                all or a portion of this Transaction, Transactions under the Agreement                or                under any other Back to Back Documentation (in each case as may be                outstanding with Party A), such that the outstanding notional amounts                in                respect of each Hedge Year are no longer in excess of the Allowed                Hedged                Capacity; provided, however, that such novation or transfer shall                be                subject to providing collateral to Party A of reasonably equivalent                value                (and in a dispute in respect thereof, such value will be determined                by an                experienced independent appraiser). In each case, such termination,                transfer or novation must result in Party B retaining a basket of                hedge                transactions that keeps the average hedged price for each Hedge Year                approximately the same as it was prior to such termination, transfer                or                novation. On or immediately prior to the date of a novation and as                a                condition precedent to the effectiveness of the Novation Agreement,                each                of Party B and the Permitted Purchaser shall represent to Party A                that it                is not subject to an event or circumstance set forth Section                5(a)(vii) of the ISDA Form (or the Agreement if then executed).                Provided that Party B has complied in full with its obligations under                clause (B) of this Section 2(f)(ii), Party A agrees to (x) enter                into such                novation or other transfer to a Permitted Purchaser without requiring                any                termination payment or mark-to-market payment in connection therewith                (*i.e.*,                the hedge will be transferred at the original contract price with                any                embedded gain or loss not being realized at transfer); and (y) execute                a                Novation Agreement with Party B and the Permitted Purchaser to give                effect                to such novation or transfer. |
|--------|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (iii) | Pre-Completion                Shortfall.                In                the event that any settlement date shall occur under this Transaction,                other Transactions under the Agreement or any other Back to Back                Documentation *******(the                “*Draw                Window*”)                and Party B cannot make payment of any amount due to Party A in respect                of                this Transaction, other Transactions under the Agreement or any other                Back                to Back Documentation on such settlement date due to insufficient                funding                caused by construction delays beyond those mitigated by the novations                in                Section 2(f)(i) (a** **“***Pre-Completion                Shortfall***”),                Party B shall provide written notice to Party A of such Pre-Completion                Shortfall (a** **“***Pre-Completion                Shortfall Notice***”).                Upon receipt of a Pre-Completion Shortfall Notice from Party B, Party                A                shall cause its Affiliate to advance funds to Party B in amounts                necessary                to pay such Pre-Completion Shortfall in accordance with the terms                of the                credit facility to be underwritten by an Affiliate of Party A and                as                further defined in Schedule 2 (“***Credit                Facility Terms***”*** ***).                Provided that Party B makes any settlement payments estimated by                Party A                to be associated with such Pre-Completion Shortfall from such facility,                Party A agrees not to assert or otherwise exercise any rights in                respect                of a Potential Event of Default, Event of Default or other “default”                howsoever described in the related documentation arising directly                in                respect of such Pre-Completion Shortfall.  |
|--------|-------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |   |
|--------|--------|--------|

|   |  (iv) | DevCo                Facility Status Updates and Viability.                Party B shall provide Party A with the same regular status updates                concerning the construction of the DevCo Facilities that are provided                to                the holders of indebtedness under the First Lien Credit Facilities.                If,                after December 31, 2007, a “Permitted Abandonment” or “Permitted Removal”                as such terms are defined in the Senior Credit Facilities shall occur                with                respect to a DevCo Facility, Party B shall calculate the “***Remaining                Hedge Capacity***”,                which shall equal 51,000,000 MMBtus of natural gas hedge transactions                per                1,000 MW of gross capacity for each DevCo Facility (excluding the                DevCo                Facilities subject of such Permitted Removal or Permitted Abandonment)                that is scheduled to be commercially available in each Hedge Year                (*provided*                that the                size of the maximum allowed hedge position will be prorated to reflect                the                monthly production schedule in each such Hedge Year),                and provide written notice of such Remaining Hedge Capacity to Party                A. In                the event that the Total Notional Hedge then outstanding in any Hedge                Year                is in excess of the Remaining Hedge Capacity as calculated by Party                B                hereunder for such Hedge Year, Party B shall, at its option: (1)                terminate                (with the appropriate Party making the termination payment pursuant                to                Section 6(e) of the ISDA Form (or the Agreement, as applicable));                or (2)                novate or otherwise transfer to a Permitted Transferee, in each case                the                pro rata portion of this Transaction, Transactions under the Agreement                or                under any other Back to Back Documentation associated with such delayed                DevCo Facility under the same terms and conditions as set forth in                Section                2(f)(i). |
|--------|------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***Definitions***

***Acceptable        Letter of Credit***
***“Qualified        Issuer”***

*“*
***Adjustment        Date***
*”*

*“*
***Affiliate***
*”*
*******

***Alternative        Physical Collateral Permitted Liens***

| (a) | liens                  created under a mortgage for the benefit of Party A or its                  designee; |
|-----|--------------------------------------------------------------------------------------------------------------|

| (b) | liens                  for any tax, assessment or other governmental charge to the extent                  not yet                  delinquent or being contested or reserved against in accordance                  with                  customary practice; |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (c) | materialmen’s,                  mechanics’, workers’, repairmen’s, employees’ or other like liens, arising                  in the ordinary course of business; |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (d) | liens                  arising out of judgments or awards so long as an appeal or proceeding                  for                  review is being prosecuted in good faith and for the payment of                  which                  adequate reserves, bonds or other security have been provided or                  are fully                  covered by insurance; |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (e) | liens                  consisting of encumbrances set forth and described on the applicable                  schedules to the applicable title commitments and/or title policies                  delivered pursuant to Section                  2(c)(i)(B)(1); |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (f) | other                  liens incident to the ordinary course of                  business; |
|-----|--------------------------------------------------------------------------------------------|

| (g) | involuntary                  liens (including,                  without limitation, a lien of an attachment, judgment or                  execution); |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------|

| (h) | additional                  liens in favor of counterparties under power purchase agreements                  or                  commodity or hedging agreements, subject to the aggregate Collateral                  Percentage of all such persons, together with Party A, never exceeding                  1.00 (*i.e.*,                  100%); *provided*                  that (i) where the Alternative Physical Collateral serves as collateral                  for a Permitted Transferee after the Adjustment Date, the foregoing                  reference to “Collateral Percentage” shall be deemed a reference to                  Modified Percentage and (ii) prior to December 31, 2007, such liens                  shall                  only be permitted where the applicable power purchase agreements                  or                  commodity or hedging agreements relate to DevCo hedging activities;                  and |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (i) | liens                  under purchase money loans or capital leases (to the extent such                  liens                  attach to Alternative Physical Collateral) or in respect of emissions                  allowances in an amount not to exceed $50,000,000 in the                  aggregate; |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*provided*

*“*
***Big        Brown Company***
*”*

*“*
***Big        Brown Facility***
*”*

***Big        Brown Collateral***
*”*

*provided*

***Big        Brown Permitted Liens***

| (a) | liens                  created under the Big Brown                  Mortgage; |
|-----|-------------------------------------------------------------------------------|

| (b) | liens                  for any tax, assessment or other governmental charge to the extent                  not yet                  delinquent or being contested or reserved against in accordance                  with                  customary practice; |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (c) | materialmen’s,                  mechanics’, workers’, repairmen’s, employees’ or other like liens, arising                  in the ordinary course of business; |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (d) | liens                  arising out of judgments or awards so long as an appeal or proceeding                  for                  review is being prosecuted in good faith and for the payment of                  which                  adequate reserves, bonds or other security have been provided or                  are fully                  covered by insurance; |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (e) | liens                  consisting of encumbrances set forth and described on the applicable                  schedules to the applicable title commitments and/or title policies                  delivered pursuant to Section                  2(c)(i)(A)(2); |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (f) | other                  liens incident to the ordinary course of                  business; |
|-----|--------------------------------------------------------------------------------------------|

| (g) | involuntary                  liens (including,                  without limitation, a lien of an attachment, judgment or                  execution); |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------|

| (h) | additional                  liens in favor of counterparties under power purchase agreements                  or                  commodity or hedging agreements subject to the aggregate Collateral                  Percentage of all such persons, together with Party A, never exceeding                  1.00 (*i.e.*,                  100%); *provided*                  that (i) where the Big Brown Collateral serves as collateral for                  a                  Permitted Transferee after the Adjustment Date, the foregoing reference                  to                  “Collateral Percentage” shall be deemed a reference to Modified Percentage                  and (ii) prior to December 31, 2007, such liens shall only be permitted                  where the applicable power purchase agreements or commodity or                  hedging                  agreements relate to DevCo hedging activities;                  and |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (i) | liens                  under purchase money loans or capital leases (to the extent such                  liens                  attach to Big Brown Collateral) or in respect of emissions allowances                  in                  an amount not to exceed $50,000,000 in the                  aggregate; |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*provided*

***Confidential        Information***

|   | (A) | the                  terms of the Agreement, this Confirmation, this Transaction, any                  other                  Transactions hereunder, and any Back to Back                  Documentation; |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (B) | the                  content of any and all conversations, discussions or correspondence                  to or                  from the Providing Party regarding the above matters;                  and |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (C) | any                  other information which is marked by the Providing Party or its                  representatives as “confidential” or “proprietary” or similar                  appellation. |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (W) | Information                  which was already in Receiving Party’s possession prior to its receipt                  from the Providing Party; |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (X) | Information                  which is obtained by Receiving Party from a third person who, insofar                  as                  is known to Receiving Party, is not prohibited from transmitting                  the                  information by a contractual, legal or fiduciary obligation to                  the                  Providing Party; and |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (Y) | Information                  which is or becomes publicly available other than as a result of                  disclosure by Receiving Party in violation of this                  Agreement. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***Collateral        Percentage***
*provided*

***DevCo***

***DevCo        Collateral***
*provided*

***DevCo        Facility***

***DevCo        Permitted Liens***

*“*
***Environmental        Law***
*”*

***First        Lien Collateral Documents***

***First        Lien Credit Facilities***

***Five        Plant Permit Date***

***Full        Hedge Amount***

***“Hazardous        Materials”***

*“*
***Hedge        Capacity Notice***
*”*

***Maximum        Credit Amount***
*”*
** **

***Modified        Percentage***

| (a) | where                  the cumulative volume of all contracts (expressed in MMBtus) secured                  by                  the Big Brown Collateral or Alternative Physical Collateral exceeds                  600,000,000 MMBtus on such date of determination: the volume of                  transactions (expressed in MMBtus) novated by Party B to a Permitted                  Transferee pursuant to Section 2(f) where Party A is the counterparty                  that                  are outstanding on the relevant date of determination divided by                  the total                  sum (expressed in MMBtus) of: (i) the volumes of all contracts                  (expressed                  in MMBtus) that are novated by all counterparties from Party B                  to a                  Permitted Transferee that are to be secured by the Big Brown Collateral                  or                  Alternative Physical Collateral, plus (ii) the volumes of all contracts                  (expressed in MMBtus) that are otherwise secured by the Big Brown                  Collateral or Alternative Physical Collateral on the date of any                  such                  novation; or |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  (b) | where                  the cumulative volume of all contracts (expressed in MMBtus) secured                  by                  the Big Brown Collateral or Alternative Physical Collateral equals                  or is                  less than 600,000,000 MMBtus on such date of determination: the                  volume of                  transactions (expressed in MMBtus) novated by Party B to a Permitted                  Transferee pursuant to Section 2(f) where Party A is the counterparty                  that                  are outstanding on the relevant date of determination divided by                  600,000,000 MMBtus. |
|-----------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*“*
***Novation        Date***
*”        *

***Novation        Commencement Date***

***NYMEX        Contract***

***OTC        NG Hedges***

*“*
***Permitted        Purchaser***
*”*

*“*
***Permitted        Transferee***
*”*

***PSD        Permit***

***Second        Lien Collateral Documents***

***Second        Lien Credit Facilities***

***Senior        Credit Facilities***

***Subject        DevCo Facility***
***“***
***”***

***Subsidiary        Guarantors***

***Third        Lien Collateral Documents***

***“Transfer        Hedge Capacity Notice”***

**3.    **
**Payment        Instructions:**

**4.    **
**Additional        Terms and Conditions:**

| (a) | Jurisdiction.                  With respect to any suit, action or proceedings relating to this                  Confirmation, each party irrevocably submits to the non-exclusive                  jurisdiction of the courts of the State of New York located in                  the Borough                  of Manhattan in New York City and the United States District Court                  located                  in the Borough of Manhattan in New York                  City. |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (b) | Waiver                  of Jury Trial.                  Insofar as is permitted by law, each party irrevocably waives any                  and all                  rights to trial by jury in any legal proceeding in connection with                  this                  Agreement or any Transaction, and acknowledges that this waiver                  is a                  material inducement to the other party’s entering into this Agreement and                  each Transaction hereunder. |
|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (c) | Transfer                  and Novation Rights.                  Party B may assign its rights and delegate its obligations under                  any                  Transaction, in whole or in part, to any Affiliate (an ***“Assignee”***)                  of TXU Corp., effective (the ***“Assignment                  Effective Date”***)                  upon delivery to Party A of an executed acceptance and assumption                  by the                  Assignee of the transferred obligations of Party B under the                  Transaction(s) (the ***“Transferred                  Obligations”***).                  On the Assignment Effective Date, (a) to the extent that the Assignee                  has                  provided credit support reasonably acceptable to Party A in lieu                  of the                  credit support provided as set out in “Party B Credit Terms” above                  (provided that the Assignee may continue to provide the credit                  support                  outlined in Section 2 above, and, if so, Party A shall be obliged                  to                  accept such credit support), Party A shall release its lien on                  such                  collateral (or otherwise return any Applicable Letter of Credit)                  and                  promptly execute such releases and other documentation as may be                  necessary                  or, in the reasonable opinion of Party B, desirable to effect such                  release, (b) Party B shall be released from all obligations and                  liabilities arising under the Transferred Obligations; and (c)                  the                  Transferred Obligations shall cease to be Transaction(s) under                  the                  Agreement and shall be deemed to be Transaction(s) under the master                  agreement between Assignee and Party A; provided that, if at such                  time                  Assignee and Party A have not entered into a master agreement,                  Assignee                  and Party A shall be deemed to have entered into a form of 1992                  ISDA                  Master Agreement (Multicurrency - Cross Border) without any Schedule                  attached thereto, except for (i) the election of |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (d) | Financing                  Consent.                  Party A also hereby consents to the assignment of this Agreement                  (and the                  rights and obligations of Party B hereunder) pursuant to the First                  Lien                  Collateral Documents, the Second Lien Collateral Documents and                  the Third                  Lien Collateral Documents to the agent of the holders of the related                  secured obligations. If                  requested by Party B, Party A shall execute and deliver on the                  closing                  date under the Senior Credit Facilities a consent agreement with                  the                  trustee or administrative agent of the lenders under the Senior                  Credit                  Facilities in commercially reasonable form in which Party A consents                  to                  the collateral assignment of the Agreement (the ***“Consent”***);                  provided, however, that in no event will the forebearance or standstill                  period under such Consent (the period between (a) the effective                  date of                  notice from Party A to the trustee or administrative agent that                  an Event                  of Default, Termination Event or Additional Termination Event has                  occurred                  with respect to Party B or that Party A otherwise has the right                  to                  terminate the Agreement, and (b) the date on which an Early Termination                  Date is designated) be greater than: (i) in the case of termination                  due to                  an event described in Section 5(a)(vii) of the ISDA Form (Party                  B’s                  bankruptcy), zero (-0-) days; (ii) in the case of a termination                  due to an                  event described in Section 5(a)(i) of the ISDA Form (Party B’s                  non-payment), thirty (30) days; (iii) in the case of a termination                  for any                  other reason, one-hundred and eighty (180) days.  |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (i) | Market                  Disruption Events. The following Market Disruption Events in Section                  7.4                  of the Commodity Definitions shall                  apply: |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (A) | Price                  Source Disruption |
|--------|-----|------------------------------------------|

|   | (B) | Trading                  Disruption |
|--------|-----|-------------------------------------|

|   | (C) | Disappearance                  of Commodity Reference Price |
|--------|-----|-------------------------------------------------------------|

|   | (D) | Material                  Change in Formula |
|--------|-----|---------------------------------------------|

|   | (E) | Material                  Change in Content |
|--------|-----|---------------------------------------------|

|   | (ii) | Disruption                  Fallbacks. The following Market Disruption Fallbacks in Section                  7.5(c) of                  the Commodity Definitions shall apply, in the following order,                  except as                  otherwise specifically provided in any                  Confirmation: |
|--------|------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (A) | Postponement                  (with Maximum Days of Disruption equal to three Commodity Business                  Days); |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------|

|   | (B) | Fallback                  Reference Price (if the parties have specified an alternate Commodity                  Reference Price in a Confirmation); |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (C) | Negotiated                  Fallback; and |
|--------|-----|-------------------------------------------|

|   | (D) | Fallback                  Reference Dealers. |
|--------|-----|----------------------------------------------|

| (f) | Confidentiality. Each                party that receives Confidential Information hereunder (the “***Receiving                Party***”)                agrees that all such Confidential Information will be held and treated                by                it and its representatives in confidence and will not, except as                hereinafter provided, without the prior written consent of the party                that                provided such Confidential Information (the “***Providing                Party***”),                be disclosed, in any manner whatsoever, in whole or in part, and                will not                be used other than in connection with the purposes contemplated in                this                Confirmation; *provided*                that either party may disclose such Confidential Information (i)                to                potential arrangers of financing and potential lenders (and their                respective accountants, attorneys and advisors) (provided that disclosure                will not be made to potential lenders until the arrangers of financing                have launched a general syndication process as evidenced by the holding                of                a bank meeting), (ii) to credit rating agencies, (iii) as required                by                applicable securities laws, (iv) |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | to              potential acquirers of any of the DevCo Facilities and (v) no earlier              than              thirty (30) days after the Trade Date, to counterparties with hedges              and              other trades that may be subject to novation as set forth in Section              9              (but, with respect to this clause (v), disclosure may be made only              of such              information as is necessary to consummate such novations and transfers              under Section 9).              Except as set forth in clauses (i) through (v), in the event that the              Receiving Party is requested or required to disclose any Confidential              Information, the Receiving Party shall provide the Providing Party              with              prompt written notice of any such request or requirement, if such notice              is, in the determination of the Receiving Party’s counsel, permitted by              law, so that the Providing Party may seek an appropriate protective              order              or waive compliance with the provisions of this Section. If, failing              the              entry of a protective order or the receipt of a waiver hereunder, the              Receiving Party, in the determination of its counsel, is compelled              to              disclose Confidential Information, the Receiving Party may disclose              that              portion of the Confidential Information which the Receiving Party’s              counsel advises that the Receiving Party is compelled to disclose.              All              right, title and interest in Confidential Information shall remain              with              the Providing Party and nothing contained herein shall be construed              as              granting or conferring any rights by license or otherwise in any              Confidential Information. |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**5.    **
**Non-reliance        Representations:**

| (a)  | *Non-Reliance.*It                is acting for its own account, and it has made its own independent                decisions to enter into that Transaction and as to whether that                Transaction is appropriate or proper for it is based upon its own                judgment                and upon advice from such advisors as it has deemed necessary. It                is not                relying on any communication (written or oral) of the other party                as                investment advice or as a recommendation to enter into that Transaction;                it being understood that information and explanations related to                the terms                and conditions of a Transaction shall not be considered investment                advice                or a recommendation to enter into that Transaction. No communication                (written or oral) received from the other party shall be deemed to                be an                assurance or guarantee as to the expected results of that                Transaction. |
|-----------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (b) | *Assessment and Understanding.*It                is capable of assessing the merits of and understanding (on its own                behalf                or through independent professional advice), and understands and                accepts,                the terms, conditions and risks of that Transaction. It is also capable                of                assuming, and, assumes, the risks of that                Transaction. |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*Status        of Parties. *

**6.    **
**Representations        and Warranties:**

***Eligible        Swap Participant***
***Eligible        Contract Participant***
***CEA***

**7.    **
**Additional        Representations:**

|   | (a) | to the extent such collateral consists              of              equity interests of DevCo, the liens granted to Party A (or to the |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------|

**8.    **
**Limitation        of Liability:**

**9.    **
**Novation        of NYMEX Contracts and Third-Party OTC NG Hedges: **

***“Transaction”***
***Back        to Back Documentation***
*i.e.*
*provided*

|   | (A) | the                  assignment of NYMEX Contracts and exchange cleared OTC NG Hedges                  shall be                  effected (i) by an assignment agreement substantially in all material                  respects in the form attached as Exhibit A (the ***“Assignment                  Agreement”****)*;                  (ii) by a book transfer between the respective futures commission                  merchants (FCMs) that carry the accounts of Party A and Party B                  or its                  affiliates; (iii) with the approval of the NYMEX, Inc.; and (iv)                  to the                  extent permitted by Party A’s existing hedge exemption from position                  limits on NYMEX Contracts and exchange cleared OTC NG Hedges; *provided*,                  *however*,                  that if accepting an assignment of NYMEX Contracts and exchange                  cleared                  OTC NG Hedges from affiliates of Party B would cause Party A to                  exceed its                  existing hedge exemption, Party A agrees to make a good faith effort                  to                  obtain from the NYMEX, Inc. an increase in Party A’s hedge exemption                  sufficient to allow Party A to accept such NYMEX Contracts and                  exchange                  cleared OTC NG Hedges;  |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (B) | the                  novation of OTC NG Hedges shall be effected pursuant to a novation                  agreement substantially in all material respects in the form attached                  hereto as Exhibit B (the ***“Novation                  Agreement”***); |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (C) | the                NYMEX Contracts and OTC NG Hedges to be transferred under this Section                9                shall be assigned, novated                or otherwise transferred to Party A at the original contract price                being                applicable to the underlying                NYMEX Contract or OTC NG Hedge (*i.e.*,                the hedge will be transferred at the original contract                price with any embedded gain or loss not being realized at transfer),                as                applicable; provided, however,                *** |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |  |
|--------|--|

|   |   | All                transactions subject to the Back to Back Documentation that occur                as a                result of novated OTC NG Hedges that are not exchange-cleared at                the time                of novation will have a notional value equal to the notional value of such                novated transactions. |
|--------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (D) | with                  respect to OTC NG Hedges that are not exchange cleared OTC NG Hedges,                  Party A’s obligation to take by novation Party B’s Affiliates’ positions                  with respect to such OTC NG Hedges shall either have in place with                  Party A                  or agree to an ISDA Master Agreement and all schedules and annexes                  thereto, including but not limited to a Credit Support Annex, reasonably                  acceptable to Party A; provided that where Party A does not have                  an ISDA                  Master Agreement and Credit Support Annex in place, it will use                  its                  commercially reasonable efforts promptly to negotiate such documentation                  with the counterparty to OTC NG Hedges to be novated by Party B’s                  Affiliates to Party A with such documentation to reflect (1) the                  election                  of Loss and Second Method for the purposes of payments on early                  termination, (2) New York law as the governing law, (3) USD                  as the Termination Currency, (4) specifying that Section 2(c)(ii)                  of the                  ISDA Form will not apply, and (5) Party A is the Calculation Agent                  unless                  an Event of Default or a Potential Event of Default where Party                  A is the                  Defaulting Party shall occur, in which case the other party shall                  be the                  Calculation Agent); |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (E) | the                  Back to Back Documentation shall provide that the sole collateral                  for                  Party B’s obligations in respect of the Back to Back Documentation will                  be                  as provided in Section 2 hereof**,**                  with its Collateral Percentage being at all times equal to the                  quotient                  of: (a) the aggregate notional amount, in MMBtus, of all Transactions                  with                  Party A under the Agreement and, without duplication, other Back                  to Back                  Documentation with Party A, divided by (b) the Full Hedge                  Amount; |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (F) | within                  five (5) Business Days of the execution of Back to Back Documentation                  with                  respect to each transferred NYMEX Contract and OTC NG Hedge, Party                  B shall                  pay a fee ***; ** **and |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (G) | no                  more than *** of NYMEX Contracts shall                  be the subject of this Section 9. |
|--------|-----|---------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

|   |   |   |
|--------|--------|--------|

|         |                                                                                        |                                                                                                                                          |
|--------------|---------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------|
|         | ** **Very                truly yours                                                   |
|         |  TXU                  Generation Development Company LLC                          |
|    |                                                                                   |                                                                                                                                     |
|         | By:                                                                               |                               /s/ David                A. Campbell |
|         | Name:                   David                A. Campbell                     |
|         | Title:                     Executive Vice                President |

*******

*******

**Schedule        1**

**Transaction        Terms**

*******

| TRADE                    DATE                      | June                    6, 2006                                                                                                                                                                                                                                                              |
|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE PAYOR               | Party                    A                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE PAYOR            | Party                    B                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| COMMODITY                    TYPE                  | Natural                    Gas                                                                                                                                                                                                                                                               |
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE                     | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE                  | The                    New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                    last business trading day in the corresponding contract month                    for NYMEX                    natural gas future contract for delivery at Henry Hub |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    MEASUREMENT            | MMBTU                    (One Million British Thermal Units)                                                                                                                                                                                                                                 |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| CALCULATION                    PERIOD              | Each                    calendar month beginning with *******and                    ending *******                                                                                                                                                                                           |
|                                               |                                                                                                                                                                                                                                                                                         |
| PAYMENT                    DATE                    | Amounts                    owed shall be due and payable on or before 12:00 noon (Central                    Time) on                    the fifth Business Day succeeding the date on which the Floating                    Price is                    determined                          |

*******

| TRADE                    DATE                      | June                    6, 2006                                                                                                                                                                                                                                                              |
|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE PAYOR               | Party                    A                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE PAYOR            | Party                    B                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| COMMODITY                    TYPE                  | Natural                    Gas                                                                                                                                                                                                                                                               |
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE                     | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE                  | The                    New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                    last business trading day in the corresponding contract month                    for NYMEX                    natural gas future contract for delivery at Henry Hub |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    MEASUREMENT            | MMBTU                    (One Million British Thermal Units)                                                                                                                                                                                                                                 |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| CALCULATION                    PERIOD              | Each                    calendar month beginning with *******and                    ending *******                                                                                                                                                                                           |
|                                               |                                                                                                                                                                                                                                                                                         |
| PAYMENT                    DATE                    | Amounts                    owed shall be due and payable on or before 12:00 noon (Central                    Time) on                    the fifth Business Day succeeding the date on which the Floating                    Price is                    determined                          |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with*******and                  ending *******                                                                                                                                                                                        |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with*******and                  ending *******                                                                                                                                                                                        |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which                    the Floating Price is                    determined                        |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with*******and                  ending *******                                                                                                                                                                                        |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                    DATE                      | June                    6, 2006                                                                                                                                                                                                                                                              |
|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE PAYOR               | Party                    A                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE PAYOR            | Party                    B                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| COMMODITY                    TYPE                  | Natural                    Gas                                                                                                                                                                                                                                                               |
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE                     | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE                  | The                    New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                    last business trading day in the corresponding contract month                    for NYMEX                    natural gas future contract for delivery at Henry Hub |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    MEASUREMENT            | MMBTU                    (One Million British Thermal Units)                                                                                                                                                                                                                                 |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| CALCULATION                    PERIOD              | Each                    calendar month beginning with*******and                    ending *******                                                                                                                                                                                            |
|                                               |                                                                                                                                                                                                                                                                                         |
| PAYMENT                    DATE                    | Amounts                    owed shall be due and payable on or before 12:00 noon (Central                    Time) on                    the fifth Business Day succeeding the date on which the Floating                    Price is                    determined                          |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *** and ending *******                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                    DATE                      | June                    6, 2006                                                                                                                                                                                                                                                              |
|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE PAYOR               | Party                    A                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE PAYOR            | Party                    B                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| COMMODITY                    TYPE                  | Natural                    Gas                                                                                                                                                                                                                                                               |
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE                     | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE                  | The                    New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                    last business trading day in the corresponding contract month                    for NYMEX                    natural gas future contract for delivery at Henry Hub |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    MEASUREMENT            | MMBTU                    (One Million British Thermal Units)                                                                                                                                                                                                                                 |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| CALCULATION                    PERIOD              | Each                    calendar month beginning with *******and                    ending *******                                                                                                                                                                                           |
|                                               |                                                                                                                                                                                                                                                                                         |
| PAYMENT                    DATE                    | Amounts                    owed shall be due and payable on or before 12:00 noon (Central                    Time) on                    the fifth Business Day succeeding the date on which the Floating                    Price is                    determined                          |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with ***** **and                  ending *******                                                                                                                                                                                 |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending ***                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                    DATE                      | June                    6, 2006                                                                                                                                                                                                                                                              |
|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE PAYOR               | Party                    A                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE PAYOR            | Party                    B                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| COMMODITY                    TYPE                  | Natural                    Gas                                                                                                                                                                                                                                                               |
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE                     | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE                  | The                    New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                    last business trading day in the corresponding contract month                    for NYMEX                    natural gas future contract for delivery at Henry Hub |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    MEASUREMENT            | MMBTU                    (One Million British Thermal Units)                                                                                                                                                                                                                                 |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| CALCULATION                    PERIOD              | Each                    calendar month beginning with *******and                    ending ***                                                                                                                                                                                               |
|                                               |                                                                                                                                                                                                                                                                                         |
| PAYMENT                    DATE                    | Amounts                    owed shall be due and payable on or before 12:00 noon (Central                    Time) on                    the fifth Business Day succeeding the date on which the Floating                    Price is                    determined                          |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                    DATE                      | June                    6, 2006                                                                                                                                                                                                                                                              |
|----------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE PAYOR               | Party                    A                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE PAYOR            | Party                    B                                                                                                                                                                                                                                                                   |
|                                               |                                                                                                                                                                                                                                                                                         |
| COMMODITY                    TYPE                  | Natural                    Gas                                                                                                                                                                                                                                                               |
|                                               |                                                                                                                                                                                                                                                                                         |
| FIXED                    PRICE                     | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| FLOATING                    PRICE                  | The                    New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                    last business trading day in the corresponding contract month                    for NYMEX                    natural gas future contract for delivery at Henry Hub |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    MEASUREMENT            | MMBTU                    (One Million British Thermal Units)                                                                                                                                                                                                                                 |
|                                               |                                                                                                                                                                                                                                                                                         |
| QUANTITY                    PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                                      |
|                                               |                                                                                                                                                                                                                                                                                         |
| CALCULATION                    PERIOD              | Each                    calendar month beginning with *** and ending ***                                                                                                                                                                                                                     |
|                                               |                                                                                                                                                                                                                                                                                         |
| PAYMENT                    DATE                    | Amounts                    owed shall be due and payable on or before 12:00 noon (Central                    Time) on                    the fifth Business Day succeeding the date on which the Floating                    Price is                    determined                          |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                DATE                      | June                6, 2006                                                                                                                                                                                                                                                  |
|------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE PAYOR               | Party                A                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE PAYOR            | Party                B                                                                                                                                                                                                                                                       |
|                                           |                                                                                                                                                                                                                                                                         |
| COMMODITY                TYPE                  | Natural                Gas                                                                                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| FIXED                PRICE                     | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| FLOATING                PRICE                  | The                New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                last business trading day in the corresponding contract month for                NYMEX                natural gas future contract for delivery at Henry Hub |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                MEASUREMENT            | MMBTU                (One Million British Thermal Units)                                                                                                                                                                                                                     |
|                                           |                                                                                                                                                                                                                                                                         |
| QUANTITY                PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                      |
|                                           |                                                                                                                                                                                                                                                                         |
| CALCULATION                PERIOD              | Each                calendar month beginning with *******and                ending *******                                                                                                                                                                                   |
|                                           |                                                                                                                                                                                                                                                                         |
| PAYMENT                DATE                    | Amounts                owed shall be due and payable on or before 12:00 noon (Central Time)                on                the fifth Business Day succeeding the date on which the Floating                Price is                determined                              |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

*******

| TRADE                  DATE                      | June                  6, 2006                                                                                                                                                                                                                                                        |
|--------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE PAYOR               | Party                  A                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE PAYOR            | Party                  B                                                                                                                                                                                                                                                             |
|                                             |                                                                                                                                                                                                                                                                                 |
| COMMODITY                  TYPE                  | Natural                  Gas                                                                                                                                                                                                                                                         |
|                                             |                                                                                                                                                                                                                                                                                 |
| FIXED                  PRICE                     | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| FLOATING                  PRICE                  | The                  New York Mercantile Exchange’s (NYMEX) closing settlement prices for the                  last business trading day in the corresponding contract month for                  NYMEX                  natural gas future contract for delivery at Henry Hub |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  MEASUREMENT            | MMBTU                  (One Million British Thermal Units)                                                                                                                                                                                                                           |
|                                             |                                                                                                                                                                                                                                                                                 |
| QUANTITY                  PER CALCULATION PERIOD | *******                                                                                                                                                                                                                                                                              |
|                                             |                                                                                                                                                                                                                                                                                 |
| CALCULATION                  PERIOD              | Each                  calendar month beginning with *******and                  ending *******                                                                                                                                                                                       |
|                                             |                                                                                                                                                                                                                                                                                 |
| PAYMENT                  DATE                    | Amounts                  owed shall be due and payable on or before 12:00 noon (Central                  Time) on                  the fifth Business Day succeeding the date on which the Floating                  Price is                  determined                            |

**Schedule        2**

**Credit        Facility Terms**

**$1.0        Billion Senior Secured Second Lien Facility**

**Summary        of Principal Terms and Conditions**

| ***Borrower***                                       | TXU                  Generation Development Company LLC, a Delaware limited liability                  company                  ("***Borrower***").                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|-----------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ***Guarantors***                                     | Each                  Project Company.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| ***Lead                  Arranger and Bookrunner***  | *******                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| ***Administrative                  Agent***          | *******                  (“***Agent***”).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| ***Collateral                  Agent***              | TBD                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| ***Lenders***                                        | A                  group of financial institutions arranged by *******                  (the “***Lenders***”).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| ***Facility***                                       | A                  second lien secured credit facility to fund each “***Pre-Completion                  Shortfall***”                  under (and as defined in) the ISDA Confirmation between Borrower                  and                  *******                  dated June __, 2006 (the “***Confirmation***”).                  The Confirmation relates to the “***Projects****”*                  as                  such term is defined in the Summary of Principal Terms and Conditions                  for                  the $11.0 billion Senior Secured Credit Facilities (the “***Project                  Finance Facilities***”)                  attached as Annex I to the Commitment Letter from *******                  to                  TXU Corp. (“***Sponsor***”)                  and the Borrower dated June 5, 2006 (the “***Project                  Financing Term Sheet****”).*Capitalized                  terms used but not otherwise defined in this Summary of Principal                  Terms                  and Conditions have the meanings given to them in the Project Financing                  Term Sheet.   |
| ***Use                  of Proceeds***               | The                  Facility will be available solely to fund any Pre-Completion Shortfall                  owed *******and                  interest accrued under the Facility.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| ***Facility                  Amount***               | $1                  billion multiplied by the Collateral Percentage (as defined in                  the                  Confirmation) on the date of determination.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| ***Availability***                                   | *******                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| ***Pricing***                                        | *******                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| ***Fees***                                           | *******                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| ***Tenor                  and Terms***               | Advances                  under the Facility will be subject to the same terms and conditions                  and                  will mature on the same date the TLC Loans mature.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| ***Security***                                       | Advances                  under the Facility will be secured on a pari passu basis with the                  TLC                  Loans.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| ***Conditions                Precedent to Closing***      | The                  Facility shall become effective upon satisfaction of the following                  conditions precedent as well as others reasonably specified by                  the Agent                  (the “***Closing                  Date***”):                      · Due                  execution and                  delivery of the definitive credit documentation                            for the Facility,                  including a credit agreement, promissory notes,           security                  documentation, intercreditor agreement, and other            documents                  customary for facilities of this type (the “***Credit***                                                                                                                                                                                                                                                                                                                                          |

|   | ***                           Documents***”);                  and                                           ·                         The Closing Date (as defined in the Project Financing Term Sheet)                  shall                  have occurred. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  ***Conditions                  Precedent to each Advance***  |  Conditions                  precedent for each advance under the Facility will include the                  following                  as well as others reasonably specified by the Agent:   ·  For                  any advance that is not solely to pay accrued interest under                  the                          Facility, *******shall                  have received a     Pre-Completion Shortfall                  Notice                          (as defined in the Confirmation) in an amount equal to the amount                  of                                            the advance; ·  No                  default or event of default shall exist under the Facility; and                   ·  All                  representations and warranties of Borrower shall be true and correct                  in                  all material respects. |
|-------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|  ***Construction                  Delays***                   |  Notwithstanding                  any other provision set forth herein, funding under the Facility                  to cover                  Pre-Completion Shortfalls owed *******and                  interest accrued under the Facility will not be conditioned by                  events                  related to construction delays; provided however that during the                  occurrence and continuation of a Default or an Event of Default                  under the                  Project Finance Facilities, there shall be no draws under the                  Facility.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|  ***Representations                  and Warranties***        |  Usual                  for facilities of this type (subject to materiality and reasonableness                  qualifiers and grace periods) and comparable to those in the Project                  Financing Term Sheet.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|  ***Affirmative                  Covenants***                 |  Usual                  for facilities of this type (subject to materiality and reasonableness                  qualifiers, grace periods, carve-outs, etc.) and comparable to                  those in                  the Project Financing Term Sheet.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|  ***Negative                  Covenants***                    |  Usual                  for facilities and transactions of this type (subject to materiality                  and                  reasonableness qualifiers, grace periods, carve-outs etc.) and                  comparable                  to those in the Project Financing Term Sheet.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|  ***Financial                  Covenants***                   | Identical                  to those included in the Project Financing Term Sheet.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| ***Events                  of Default***                           | Usual                  for facilities and transactions of this type (subject to materiality                  and                  reasonableness qualifiers and grace periods) and including a cross-default                  to TLC Loans.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|  ***Non-Recourse***                                           |  Other                  than express obligations under the Facility documentation and Project                  Documents, the obligations under the Facility documentation will                  be                  obligations solely of Borrower and the Project Companies, and the                  Lenders                  will not have recourse to Sponsor or any other affiliate of Borrower                  and                  the Project Companies.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|  ***Lender                  Assignment***                     |  The                  Lenders will be permitted to assign loans and commitments with                  the consent                  of the Agent (unless such assignment is an assignment of a commitment                  or                  loan under a Facility to a Lender, an affiliate of a Lender or                  an approved                  fund). Each assignment (except to other Lenders or their affiliates)                  will                  be in a minimum amount of $1,000,000 in respect of loans and commitments                  under the Facility. The Agent will receive a processing and recordation                  fee of $3,500, payable by the assignor and/or the assignee, with                  each                  assignment.                                                                                                                                                                                                                                                                                                                   |

|   | The Lenders will be permitted to participate                  loans and                  commitments without restriction. Voting rights of participants                  shall be                  limited to matters in respect of (a) increases in commitments,                  (b) reductions of principal, interest or fees, (c) extensions of                  scheduled amortization or final maturity and (d) certain releases of                  Collateral or material Guarantees.  |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  ***Intercreditor                  Agreement***  |  The                  agreement to be executed in connection with the Project Finance                  Facilities.                                                                                                                                                                                                                                    |
|------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|  ***Customary                  Provisions***     |  The                  Facility documentation will contain customary provisions regarding                  indemnification, tax gross up, increased costs, illegality, capital                  adequacy and breakage costs subject to mitigation obligations,                  lender                  removal provisions and tax credit provisions.  |
|  ***Governing                  Law***            |  The                  definitive documents (other than real property collateral documents,                  which                  will be governed by local law) will be governed by the laws of                  the State                  of New York.                                                                                            |
|  ***Counsel***                                   |  Counsel                  to the Lead Arranger and Agent is *******.                  **Milbank                  Tweed Hadley & McCloy LLP**is                  counsel to Borrower, Sponsor and the Project Companies.                                                                                                                                |
|  ***Local                  Texas Counsel***      |  TBD                                                                                                                                                                                                                                                                                                                                                  |

*TXU        -*
****        Confirmation *

*Annex        A - Form of Guaranty*

**Annex        **
**A**

**Form        of Guaranty**

*TXU        -*
****        Confirmation *

*Annex        A - Form of Guaranty*

| ******* | ********* |
|---------|-----------|

*****        **
*******
*******

*******
*******
*******
*******
*******
*******
*******

*******
*******
*******
*******

*****        **
*******
*******
*******
*******
*******
*******

*TXU              *
***-              ******
*Confirmation              *
*              .*

*Annex              A - Form of Guaranty*

*******
**        *** **

*******
*******
*******
*****        **
*******

*******
*****        **

*******
*****        **

*******

*******

*TXU        *
***-        ******
*Confirmation        *
*        .*

*Annex B        - Unilateral CSA Paragraph 13*

**UNILATERAL        CSA - PARAGRAPH 13**

**PARTY        A:   *** (the “Pledgor”)**

**PARTY        B:   TXU GENERATION DEVELOPMENT COMPANY LLC (the “Secured        Party”)**

**Paragraph        13.**
**Elections        and Variables**

***Security        Interest for “Obligations”.***
***“Obligations”***

***Credit        Support Obligations.***

***Delivery        Amount, Return Amount and Credit Support Amount.***

|   | (A) | ***“Delivery                  Amount”***** **has                  the meaning specified in Paragraph                  3(a). |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------|

|   | (B) | ***“Return                  Amount”***** **has                  the meaning specified in Paragraph                  3(b). |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------|

|   | (C) | ***“Credit                  Support Amount”***                  has the meaning specified in Paragraph                  3. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------|

***Eligible        Collateral.***
** **
**“**
***Eligible        Collateral”***

|   |   | **Party                    A** | **Party                    B** | **Valuation****Percentage** |
|--------|--------|--------------------------------|--------------------------------|-----------------------------|
| (A)    | Cash   | [x]                            | Inapplicable                   | 100%                        |

***Other          Eligible Support.***
***“Other          Eligible Support”***

***Thresholds.***

|   | (A) | ***“Independent                      Amount”***means                      with respect to Party A: Zero |
|--------|-----|---------------------------------------------------------------------------------------------------------------------|

|   |   | ***“Independent                      Amount”***means                      with respect to Party B:                      Inapplicable |
|--------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (B) | ***“Threshold”***means                      with respect to Party A shall correspond to the lower of the                      S&P or                      Moody’s credit rating for Party A or its Credit Support Provider                      as                      follows: |
|--------|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |   |
|--------|--------|--------|

| S&P                        Rating | Moody’s                        Rating | Threshold |
|---------------------------------------|---------------------------------------------|-----------|
| A+                        or higher   | A1                        or higher         | *******   |
| A                                     | A2                                          | *******   |
| A-                                    | A3                                          | *******   |
| BBB+                                  | Baa1                                        | *******   |
| BBB                                   | Baa2                                        | *******   |
| BBB                        - or lower | Baa3                        or lower        | *******   |

*TXU        *
***-        ******
*Confirmation        *
*        .*

*Annex B        - Unilateral CSA Paragraph 13*

|   |   | ***“Threshold”***means                  with respect to Party B:                  Inapplicable |
|--------|--------|------------------------------------------------------------------------------------------------------------|

|   | (C) | ***“Minimum                  Transfer Amount”***means                  with respect to Party A: $100,000; provided, however, that the                  Minimum                  Transfer Amount for Party A shall be zero upon the occurrence and                  during                  the continuance of an Event of Default or Potential Event of Default,                  or                  Termination Event with respect to Party                  A. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   | ***“Minimum                  Transfer Amount”***means                  with respect to Party B: $100,000.  |
|--------|--------|-----------------------------------------------------------------------------------------------------------------------------|

|   | (D) | **Rounding.**The                  Delivery Amount and the Return Amount will be rounded up and down                  respectively to the nearest integral multiple of                  $10,000. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***Valuation        and Timing.***

**“**
***Valuation        Agent”***
** **

|   | (ii) | **“*****Valuation                  Date”***** **means:                  At the request of either party, any Local Business Day which, if                  treated                  as a Valuation date, would result in a Delivery Amount or a Return                  Amount. |
|--------|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**“**
***Valuation        Time”***
** **

|   | [x] | the                  close of business in the city of the Valuation Agent on the Valuation                  Date                  or date of calculation, as                  applicable; |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | [x] | the                  close of business on the Local Business Day before the Valuation                  Date or                  date of calculation, as applicable; |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*provided        *

**“**
***Notification        Time”***
** **

|   | (v) | ***“Exposure”***                  has the meaning provided in Paragraph 12. |
|--------|-----|-----------------------------------------------------------------------------------------|

| (d) | ***Conditions                  Precedent and Secured Party's Rights and Remedies.***Each                  Termination Event specified below with respect to a party will                  be a                  ***“Specified                  Condition”***                  for that party (the specified party being the Affected Party if                  a                  Termination Event or Additional Termination Event occurs with respect                  to                  that party): |
|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|                                      | **Party** **A** | **Party                  B** |
|-------------------------------------------|----------------------|------------------------------|
|                                      |                 |                         |
| Illegality                                | [X]                  | Inapplicable                 |
| Tax                  Event                | [X]                  | Inapplicable                 |
| Tax                  Event Upon Merger    | [X]                  | Inapplicable                 |
| Credit                  Event Upon Merger | [X]                  | Inapplicable                 |

| (e) | ***Substitution.*** |
|-----|---------------------|

***“Substitution        Date”***
** **

|   | (ii) | **Consent. **The                  Pledgor must obtain the Secured Party's consent for any substitution                  pursuant to Paragraph 4(d). |
|--------|------|----------------------------------------------------------------------------------------------------------------------------------------------------------|

| (f) | ***Dispute                  Resolution.*** |
|-----|--------------------------------------------|

|   | (i) | **“*****Resolution                  Time”**** *means                  5:00 p.m., New York time, on the Local Business Day following the                  date on                  which the notice is given that gives rise to a dispute under Paragraph                  5. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*TXU        *
***-        ******
*Confirmation        *
*        .*

*Annex B        - Unilateral CSA Paragraph 13*

|   | (ii) | ***Value.*****   **For                  the purpose of Paragraphs 5(i)(C) and 5(ii), the Value of Posted                  Credit                  Support will be calculated in accordance with standard market                  practice. |
|--------|------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***Alternative.***
**         **

| (g) | ***Holding                  and Using Posted                  Collateral.*** |
|-----|------------------------------------------------------------------------------|

|   | (i) | ***Eligibility                  to Hold Posted Collateral; Custodians.***** **Party                  B and the Custodian of Party B will be entitled to hold Posted                  Collateral                  pursuant to Paragraph 6(b). |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**Custodian**

***Use        of Posted Collateral.***
** **

***Distributions        and Interest Amount.***

|   | (i) | ***Interest                  Rate.***** **The                  **“Interest                  Rate”**will                  be, with respect to Eligible Collateral in the form of Cash, for                  any day,                  the rate opposite the caption “Federal Funds (Effective)” for such day as                  published for such day in Federal Reserve Publication H.15(519)                  or any                  successor publication as published by the Board of Governors of                  the                  Federal Reserve System. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (ii) | ***Transfer                  of Interest Amount.***** **The                  Transfer of the Interest Amount will be made on the first Local                  Business                  Day of each calendar month and on any Local Business Day that Posted                  Collateral in the form of Cash is Transferred to the Pledgor pursuant                  to                  Paragraph 3(b). |
|--------|------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***Alternative        to Interest Amount.***
** **

***Other        Eligible Support and Other Posted Support.***

***“Value”***
** **

|   | (ii) | ***“Transfer”***** **with                  respect to Other Eligible Support and Other Posted Support means:                  Inapplicable |
|--------|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (j) | ***Demands                  and Notices. ***All                  demands, specifications and notices under this Annex will be made                  pursuant                  to the Notices Section of this Agreement, unless otherwise specified                  here: |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***Addresses        for Transfers.***

***Other        Provisions.***

|   | (i) | ***Limit                  on Secured Party’s Liability.***The                  Secured Party will not be liable for any losses or damages that                  the                  Pledgor may suffer as a result of any failure by the Secured Party                  to                  perform, or any delay by it in performing, any of its obligations                  under                  this Annex if the failure or delay results from circumstances beyond                  the                  reasonable control of the Secured Party or its Custodian, such                  as                  interruption or loss of computer or communication services, labor                  disturbance, natural disaster or local or national                  emergency. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (ii) | ***Further                  Assurances; Power of Attorney.***                  The Pledgor shall execute and deliver to the Secured Party |
|--------|------|-------------------------------------------------------------------------------------------------------------------------------------------|

*TXU        *
***-        ******
*Confirmation        *
*        .*

*Annex B        - Unilateral CSA Paragraph 13*

|   | (iii) | ***Agreement                  as to Single Secured Party and Pledgor.***                   Party A and Party B agree that, notwithstanding anything to the                  contrary                  in the recital to this Annex, Paragraph 1(b) or Paragraph 2 or                  the                  definitions in Paragraph 12, (a) the term “*Secured                  Party*”                  as used in this Annex means only Party B, (b) the term “*Pledgor*”                  as used in this Annex means only Party A, (c) only Party A makes                  the                  pledge and grant in Paragraph 2, the acknowledgment in the final                  sentence                  of Paragraph 8(a) and the representations in Paragraph 9, (d) only                  Party A                  will be required to make Transfers of Eligible Credit Support hereunder                  and (e) Paragraph 7 shall apply to Party A only and shall not apply                  to                  Party B. |
|--------|-------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  | (iv) | ***Expenses                  Related to Posting of Eligible Collateral.***                  Party A shall be liable for the costs and expenses incurred as                  a result of                  the delivery of Eligible Credit Support pursuant to this Annex. |
|--|------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |  |
|--------|--------|--|

|   |   |
|--------|--------|

*TXU        *
***-        ******
*Confirmation        *
*        .*

*Annex B        - Unilateral CSA Paragraph 13*

| *******                                                                                                                                                                                                         | TXU                  GENERATION DEVELOPMENT COMPANY LLC                                                                                                                                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| By:                     ____________________________                           Name:                           Title: | By:     ____________________________                            Name:                            Title: |

*TXU        *
***-        ******
*        Confirmation *

*Annex        C - Form of Acceptable Letter of Credit*

**Annex        C**

**Form        of Acceptable Letter of Credit**

*TXU      *
***-      ******
*      Confirmation *

*Annex      C - Form of Acceptable Letter of Credit*

**IRREVOCABLE      STANDBY LETTER OF CREDIT**

**IRREVOCABLE      STANDBY LETTER OF CREDIT NO.[__]**

***Company***

***Stated      Amount***
***Expiration      Date***

***Authorized      Office***
*provided*

***Business      Day***

*TXU      *
***-      ******
*      Confirmation *

*Annex      C - Form of Acceptable Letter of Credit*

**ISDA        Form**
**Agreement**
**“Agreements”**

**Uniform        Customs**

*                                                        ___________________________*

*TXU        *
***-        ******
*        Confirmation *

*Annex        C - Form of Acceptable Letter of Credit*

**Schedule        1**

*TXU      *
***-      ******
*      Confirmation *

*Annex      C - Form of Acceptable Letter of Credit*

**Annex        A**

*******
**Beneficiary**
**Bank**
**Letter        of Credit**

*[*
*NOTE:        Select applicable basis on which drawing is being made.]*

*TXU      *
***-      ******
*      Confirmation *

*Annex      C - Form of Acceptable Letter of Credit*

**Annex        B**

*******
**Transferor**
**Bank**
**Letter        of Credit**
**Transferee**

*TXU        *
***-        ******
*        Confirmation *

*Exhibit        A *
*-        Form of Assignment Agreement*

**Exhibit        A**

**Form        of Assignment Agreement**

*TXU        *
***-        ******
*        Confirmation *

*Exhibit        A *
*-        Form of Assignment Agreement*

**among**

**a          [Insert type of entity]**
**          organized under the laws of [●]**

**(“**
**”)**

**and**

*******

**(“**
**”)**

**and**

**a          [●] organized under the laws of [●]**

**(“**
**”)**

*TXU            *
***-            ******
*            Confirmation *

*Exhibit            A *
*-            Form of Assignment Agreement*

**Agreement**
**[Insert            Name of TXU Generation Development Company LLC’s Affiliate]**
** **
**[Insert            type of entity]**
**Assignor**
*******
**Assignee**
**[COMPANY]**
**Counterparty**
**Party**
**Parties**

|  **[*****Use                      this clause if there are no stand-alone confirmations and all                      transactions                      are under the COMPANY Contract***]** ** **(I)                        WHEREAS**                        the Assignor and the Counterparty are Parties to one or more[master                        agreements]                        and/or general terms and conditions, each as described inSchedule                        “A”                        attached hereto (collectively, the “COMPANY                        Contract”)                        and to those [power/ gas/ derivatives/ other] sale and purchase                        transactions and certain financial derivative products related                        thereto                        (the “Transactions”)                        entered into pursuant to the COMPANY Contract, copies of                        the confirmations                        evidencing such transactions are identified as “Assigned Transactions” on                        Schedule                        “B”                        attached hereto (such Transactions being hereinafter referred                        to as the                        “Assigned                        Transactions”); |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  [***Use                      this clause** **if                      there are also stand-alone confirmations not under the COMPANY                      Contract***]** ** **(I)                        WHEREAS**                        the Assignor and the Counterparty are parties to: (i) one                        or more master                        agreements and/or general terms and conditions, each as described                        in                        Schedule                        “A”                        attached hereto (collectively, the **“****COMPANY                        Contract****”**);                        (ii) those [power/ gas/ derivatives/ other] sale and purchase                        transactions                        and certain financial derivative products related thereto                        (the                        **“****Transactions****”**)                        entered into pursuant to the **COMPANY Contract**, copies of                        the confirmations evidencing such transactions are identified                        as                        **“Master Confirmation**s” on Schedule                        “B”                        attached hereto (such transactions being hereinafter referred                        to as the                        “**Master                        Confirmations****”**);                        as well as (iii) certain other Transactions which were confirmed                        by                        individual written confirmations, copies of such confirmations                        evidencing                        such Transactions also being identified as Stand-Alone Confirmations                        on                        Schedule                        “B”                        attached hereto (such Transactions being hereinafter referred                        to as the                        **“****Stand-Alone                        Confirmations****”**,                        and together with the Master Confirmations, hereinafter referred                        to as the                        **“****Assigned****Transactions****”**); |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**(II)            WHEREAS**

**(III)            WHEREAS**
**Confirmation**
**Closing**

**(IV)            WHEREAS**

*TXU              *
***-              ******
*              Confirmation *

*Exhibit              A *
*-              Form of Assignment Agreement*

|  ***Use                        this clause because there is an existing *** Master Agreement                        under which                        the Assigned Transactions will be transferred. The Assigned                        Transactions                        shall not be governed by the COMPANY Contracts.*]** **(V)                          AND WHEREAS**                          the Assignee and the Counterparty have agreed that: (i)                          the Assigned                          Transactions shall be and be deemed to be severed from                          the COMPANY                          Contract and made subject to and form part of the *** master                          agreement                          with the counterparty] dated [●] [●], 200[●], [as amended,] between the                          Assignee and the Counterparty (the “*** **Master                          Agreement****”**                          and identified on Schedule                          “C”                          hereto); |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**NOW              THEREFORE**

| 1.   | **Assignment****.**                        The Assignor hereby irrevocably assigns and transfers to                        the Assignee                        effective from and including [●] [●], 200[●] (the “**Assignment                        Date**”)                        its entire right, title, estate and interest in and to, and                        its rights,                        liabilities, duties and obligations under, such Assigned                        Transaction, for                        the Assignee’s sole use and benefit absolutely, subject nevertheless to                        the terms and conditions of the Assigned                        Transaction. |
|----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2.   | **Acceptance                        by Assignee****.**                        The Assignee hereby accepts the aforesaid Assigned Transactions                        effective                        as of and from the Assignment Date for each such Assigned                        Transaction, and                        covenants and agrees with the Assignor and the Counterparty                        that from and                        after the Assignment Date it will be bound by, observe and                        perform, carry                        out and fulfill all covenants and agreements, duties and                        obligations                        required to be observed and performed by the Assignor under                        the terms of                        the Assigned Transactions arising from and after the Assignment                        Date. |
|----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3.   | **Acceptance                        by Counterparty****.**                        Effective as of and from the Assignment Date, the Counterparty                        hereby                        consents to assignment and transfer of the Assigned Transactions                        and                        accepts the Assignee as the party to perform the obligations                        of Assignor                        under the Assigned Transactions pursuant to the terms and                        conditions of                        the *******                        Master Agreement and the Counterparty agrees that it shall                        not make any                        claim against the Assignee (including by way of set-off,                        book-out or                        termination of the Assigned Transactions) as a consequence                        of or relating                        to: (i) any default, breach or non-performance attributable to the                        Assignor under any Assigned Transaction, the COMPANY Contract                        or any other                        transaction entered into pursuant to the COMPANY Contract                        which default,                        breach or non-performance arises or has arisen prior to the                        Assignment                        Date; or (ii) the observance and performance of the covenants,                        representations and agreements under any Assigned Transaction,                        the COMPANY                        Contract, or any other transaction entered into pursuant                        to the COMPANY                        Contract or otherwise prior to the Assignment                        Date. |
|----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4.   | **Release** |
|----------------|-------------|

|   | (a) | Effective                        as of and from the Assignment Date, the Counterparty hereby                        releases and                        forever discharges the Assignor from further obligations                        to the                        Counterparty with respect to the Assigned Transactions identified                        on                        Schedule                        “B”                        and of and from any and all liability as a consequence of                        or relating                        to all manner of action and actions, cause or causes of action,                        suits, debts, dues, sums of money, claims and demands whatsoever                        at law or                        in equity arising out of, or which are in any way related                        to the Assigned                        Transactions identified on Schedule                        “B”                        after and including the Assignment Date; *provided                        that*,                        for certainty, the foregoing shall not release or discharge                        the Assignor                        in respect of the settlement, payment or performance of any                        liabilities or                        obligations: (i) arising or accruing prior to the Assignment                        Date, but                        which have not been settled, paid or performed as of the                        Assignment Date;                        or (ii) due and payable or due to be performed after the                        Assignment Date,                        but which accrued with respect to or otherwise related to                        a |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*TXU                *
***-                ******
*                Confirmation *

*Exhibit                A *
*-                Form of Assignment Agreement*

|    | calculation                        period or delivery period (however defined) ending prior                        to the Assignment                        Date (for avoidance of doubt, (i) and (ii) collectively constitute                        the                        “**Assignor                        Retained Liabilities**”),                        and all such Assignor Retained Liabilities shall be paid                        or performed by                        the Assignor in accordance with the terms of the Assigned                        Transaction. |
|--------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (b)   | Effective                        as of and from the Assignment Date, the Assignor hereby releases                        and                        forever discharges the Counterparty from further obligations                        to the                        Assignor with respect to the corresponding Assigned Transaction                        and of and                        from any and all liability as a consequence of or relating                        to all manner                        of action and actions, cause or causes of action, suits,                        debts, dues, sums                        of money, claims and demands whatsoever at law or in equity,                        arising out                        of or which are in any way related to, the Assigned Transactions                        after and                        including the Assignment Date; *provided                        that*,                        for certainty, the foregoing shall not release or discharge                        the                        Counterparty in respect of the settlement, payment or performance                        of any                        liabilities or obligations: (i) arising or accruing prior                        to the                        Assignment Date, but which have not been settled, paid or                        performed as of                        the Assignment Date; or (ii) due and payable or due to be                        performed after                        the Assignment Date, but which accrued with respect to or                        otherwise                        related to a calculation period or delivery period (however                        defined)                        ending prior to the Assignment Date (for avoidance of doubt,                        (i) and (ii)                        collectively constitute the “**Counterparty                        Retained Liabilities**”),                        and all such Counterparty Retained Liabilities shall be paid                        or performed                        by the Counterparty in accordance with the terms of each                        Assigned                        Transaction. |
|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| (c)   | The                        Counterparty and the Assignee each undertake liabilities                        and obligations                        towards the other and acquire rights against each other identical                        in their                        terms to each Assigned Transaction (and, for the avoidance                        of doubt, as if                        the Assignee were the Assignor and with the Counterparty                        remaining the                        Counterparty, save for any rights, liabilities or obligations                        of the                        Counterparty with respect to any Counterparty Retained Liabilities                        or the                        Assignor with respect to any Assignor Retained                        Liabilities). |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 5.   | **Further                        Assurances****.**The                        Assignor agrees that it shall, from time to time and at all                        times                        hereafter, execute such further assurances and do all such                        acts and things                        as may be reasonably required for the purpose of vesting                        in the Assignee                        the rights and obligations of the Assignor in the Assigned                        Transactions. |
|----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 6*.*   | **Confirmation                        Under********* **Master                        Agreement****.**                        Effective immediately as of the Assignment Date, the Assignee                        and the                        Counterparty agree that the Assigned Transactions, for all                        purposes                        whatsoever, are and are deemed to be subject to, form part                        of, and                        confirmed pursuant to the terms and conditions of the *******                        Master Agreement on the same basis as if these Assigned Transactions                        between the Assignor and the Counterparty under the COMPANY                        Contract had,                        with effect from and after the Assignment Date, been entered                        into between                        the Assignee and the Counterparty under the *******                        Master Agreement*.* |
|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 7.   | **No                        Assignment of COMPANY Contract****.**                        The Assignor and the Counterparty confirm and agree that                        neither the                        COMPANY Contract nor any right, title, estate or interest                        therein (other                        than the Assigned Transactions) are assigned to the Assignee                        and such                        COMPANY Contract, other than the Assigned Transactions, remains                        in full                        force and effect between the Assignor and the Counterparty,                        unaffected by                        this Agreement. |
|----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  *TXU****-                  *******Confirmation**Exhibit                    A - Form of Assignment                    Agreement* |
|---------------------------------------------------------------------------------------------------------------------------------------|

| 8.**  ** | **Address                    for Notices****.** |
|--------------------|-------------------------------------------------|

|   | The                    address for the Assignee for notices under the Assigned Transactions                    shall                    be: |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------|

| Address:                            |   |
|-------------------------------------|--------|
| Facsimile                      No.: |   |
| Telephone                      No.: |   |
| Attention:                          |   |

|   | The                    address for the Counterparty for purposes of receiving any notice                    under                    this Section 9 shall be: |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Address:                            |   |
|-------------------------------------|--------|
| Facsimile                      No.: |   |
| Telephone                      No.: |   |
| Attention:                          |   |

|   | The                    address for the Assignor for purposes of receiving any notice                    under this                    Section 9 shall be: |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

| Address:                            |   |
|-------------------------------------|--------|
| Facsimile                      No.: |   |
| Telephone                      No.: |   |
| Attention:                          |   |

| 9.   | **Enurement****.**                    This Agreement shall enure to the benefit of and be binding upon                    the                    Parties hereto and their respective successors and                    assigns. |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.   | **Counterpart                    Execution****.**                    This Agreement may be executed in separate counterparts and delivered                    by                    facsimile, each of which when so executed and delivered shall                    constitute                    the one and the same original document. |
|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 11.   | **Governing                    Law****.**                    This Agreement will be governed by and construed in accordance                    with the                    laws of the State of New York, without giving effect to principles                    of                    conflicts of laws. Any judicial action arising out of, resulting                    from, or                    in any way relating to this Agreement shall be brought only in                    a state or                    federal court of competent jurisdiction located in the state,                    county and                    city of New York, and all parties to this Agreement waive any                    right to                    trial by jury in such action. In the event such judicial proceedings                    are                    instituted by any party hereto, the prevailing party or parties                    shall be                    entitled to award of costs and attorneys' fees incurred in connection                    with                    such proceedings. |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 12.   | **Representations,                    Warranties and Covenants****.** |
|-----------------|-----------------------------------------------------------------------|

|   | (a) | Assignor                    hereby represents and warrants that it has the power and authority                    to                    effect the sale, assignment and transfer of the Assigned Transactions                    and                    to execute this Agreement. |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | Assignee hereby: (i) represents                    and warrants                    that it has the power and authority to accept the sale, assignment                    and                    transfer of the Assigned Transactions and to execute this Agreement;                    and                    (ii) agrees to be bound by the terms of each Assigned Transaction                    and to |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*TXU      *
***-      ******
*      Confirmation *

*Exhibit      A *
*-      Form of Assignment Agreement*

*******

|   | (c) | Counterparty                  hereby: (i) consents to the foregoing assignment and transfer to                  Assignee;                  and (ii) agrees to be bound by the terms of each Assigned Transaction                  and                  to perform all of the obligations thereunder in accordance with                  the terms                  thereof and of the *******                  Master Agreement. |
|--------|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (d) | Each                  Party hereto represents to the others that: (i) this Agreement                  and, as to                  Counterparty and Assignee, the Assigned Transactions, do not and                  will not                  violate or conflict with its charter or by-laws (or comparable                  constitutive documents), any statute, law, rule, regulation or                  ordinance,                  or any judgment, order, consent order, stipulated agreement, writ,                  injunction, or decree of, any court, governmental agency or any                  other                  regulated entity applicable to it or any agreement to which it                  is a party                  or by which it or any of its property is bound; (ii) its obligations                  hereunder and, as to Counterparty and Assignee, under the Assigned                  Transactions are legal, valid and binding on it, and enforceable                  in                  accordance with their terms; (iii) the execution, delivery and                  performance                  of this Agreement, any Assigned Transactions or the performance                  by                  Assignor of its obligations thereunder or hereunder does not and                  will not                  require any consent, approval, authorization or other order of,                  action by,                  filing with or notification to, any court or administrative or                  governmental body; and (iv) the person signing this Agreement for                  such                  Party is an officer, director, and/or partner of such Party and                  is                  authorized and duly empowered to do                  so. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (e) | Each                  Party hereto represents to the others that it: (i) is not relying                  upon any                  representations or warranties of other Parties to this Agreement                  other                  than those expressly set forth in this Agreement; (ii) has entered                  into                  this Agreement with a full understanding of the material terms                  and risks                  of the same; and (iii) has made its decisions (including regarding                  the                  suitability thereof) based upon its own judgment and any advice                  from such                  advisors as it deemed necessary and not in reliance upon any view                  expressed by other Parties to this                  Agreement. |
|--------|-----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 13.   | **Contingency****. **In                the event that the Closing with respect to the Assigned Transactions                does                not occur for any reason within [●] [(●)]days of the date of this                Agreement, this Agreement shall terminate as of that date with respect                to                such Assigned Transaction, and in the event of such termination and                with                respect to any such Assigned Transaction; (i) this Agreement shall                be null                and void and of no force and effect; (ii) the Assignor’s interests in the                Assigned Transaction shall not be assigned to the Assignee; (iii)                any                credit support posted by the Assignee or the Counterparty for the                benefit                of the other party with respect to the Assigned Transaction shall                automatically terminate and be of no force and effect (and any guaranty                shall be returned to the entity providing such); and (iv) the Assignee                and                the Counterparty shall have no further obligations to each other                with                respect to this Agreement or the Assigned Transaction. |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***[THE        REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK***

*TXU        *
***-        ******
*        Confirmation *

*Exhibit        A *
*-        Form of Assignment Agreement*

**THIS          AGREEMENT **

**            ASSIGNOR:**

**            [COMPANY          Entity]**

**            ASSIGNEE:**

**            *****

**            COUNTERPARTY:**

**            [Insert          Name of TXU          Generation Development **
**Company          LLC’s Affiliate]**

**        **

*TXU          *
***-          ******
*          Confirmation *

*Exhibit          A *
*-          Form of Assignment Agreement*

**SCHEDULE        A**

**“COMPANY        Contract”**

*See*
**[**
**master        agreements] **

*TXU      *
***-      ******
*      Confirmation *

*Exhibit      A *
*-      Form of Assignment Agreement*

**SCHEDULE        B**

**“Assigned        Transactions”**

*See*

|                  **“Master                  Confirmations”**[*See*                  Attached summary and copies of Master Confirmations]**“Stand-Alone                  Confirmations”**[*See*                  Attached summary and copies of Stand-Alone                  Confirmations] |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*TXU        *
***-        ******
*        Confirmation *

*Exhibit        A *
*-        Form of Assignment Agreement*

**SCHEDULE          C**

**“**
*******
**Master          Agreement”**

*TXU          *
***-          ******
*          Confirmation *

*Exhibit          B - Form of Novation Agreement*

**Exhibit            B**

**Form            of Novation Agreement**

*TXU            *
***-            ******
*            Confirmation *

*Exhibit            B - Form of Novation Agreement*

**NOVATION            AGREEMENT**

**Effective            Date**

**Remaining            Party**
**Transferor**

*******
**Transferee**

**Old            Transaction**
**Old            Confirmation**
**master            agreements] **
**Old            Agreements**

**master            agreements]**
**New            Agreement**

**“Novation            Date”**
**New            Transaction**

**1.    **
**Definitions.**

**2.    **
**Transfer,            Release, Discharge and Undertakings. **

|   | (a) | the                    Remaining Party and the Transferor are each released and discharged                    from                    further obligations to each other with respect to each Old Transaction                    and                    their respective rights against                    each other thereunder are cancelled, provided that such release                    and                    discharge shall |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*TXU            **-            *****            Confirmation *

*Exhibit            B - Form of Novation Agreement*

|   |   | not affect any rights, liabilities                  or                  obligations of the Remaining Party or the Transferor with respect                  to                  payments or other obligations due and payable or due to beperformed                  on or                  prior to the Novation Date, and all such payments and obligations                  shall be                  paid or performed by the Remaining Party or the Transferor in accordance                  with the terms of the Old Transaction; |
|--------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | in                  respect of each New Transaction, the Remaining Party and the Transferee                  each undertake liabilities and obligations towards the other and                  acquire                  rights against each other identical in their terms to each corresponding                  Old Transaction (and, for the avoidance of doubt, as if the Transferee                  were the Transferor and with the Remaining Party remaining the                  Remaining                  Party, save for any rights, liabilities or obligations of the Remaining                  Party or the Transferor with respect to payments or other obligations                  due                  and payable or due to be performed on or prior to the Novation                  Date); |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (c) | each New Transaction shall be governed                  by and                  form part of the applicable New Agreement and the Transferee and                  the                  Remaining Party shall enter into a New   Confirmation specifying                  the terms of each New Transaction pursuant to the Applicable New                  Agreement; *provided,                  however,*                  that any failure of either the Transferee or the Remaining Party                  to enter                  into such Confirmations shall not affect the rights and obligations                  of the                  Transferor pursuant to this Novation Agreement. Each New Transaction                  shall                  be deemed confirmed by this Novation Agreement, all applicable                  Annexes and                  New Confirmations, and, accordingly, this Novation Agreement, including                  each Annex, Schedule and Attachment shall be deemed to constitute                  a                  “**Confirmation**”                  within the meaning of each New Agreement that supplements, form                  a part of                  and is subject to the New                  Agreement; |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (d) | the offices of the Remaining Party                  and the                  Transferee for purposes of each New Transaction shall be as specified                  in                  Annex                  5                  and the offices of the Transferor for purposes of the Old Transaction                  shall have been as also specified in Annex                  5                  attached hereto; the account details of the Transferee and the                  Remaining                  Party for each New Transaction will be as set forth on Annex                  6                  hereto; and |
|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (e)  | after the Novation Date, the Remaining                    Party                    and the Transferee may issue or exchange Confirmations (each                    a “**Reconfirming                    Confirmation**”)                    reconfirming each New Transaction confirmed hereby containing                    terms as set                    forth or referred to in this Section 2, it being understood and                    agreed                    that the failure by either the Transferee or the Remaining Party                    to issue,                    exchange or enter into such Reconfirming Confirmation shall not                    affect                    either: (A) the respective rights and obligations of the Remaining                    Party                    and the Transferee under this Agreement or each New Transaction;                    or (B)                    the rights and obligations of the Transferor under this Novation                    Agreement. |
|--------|-----------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**3.**
**Representations            and Warranties**

|   |   | (i) | Transferee hereby: (A) represents                    and                    warrants that it has the power and authority to accept the sale,                    novation                    and transfer of each Old Transaction and to execute this Novation                    Agreement; (B) agrees to be bound by the terms of each New Transaction                    and                    to perform all of the obligations thereunder in accordance with                    the terms                    thereof on and from the Novation Date; and (C) represents and                    warrants                    that the execution, delivery and performance of this Novation                    Agreement,                    each New Transaction or the performance by Transferee of its                    obligations                    thereunder or hereunder does not and |
|--------|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*TXU          **-          *****          Confirmation *
*Exhibit            B - Form of Novation Agreement*

|   |   |   | will not require any consent, approval,                  authorization or other order of, action by, filing with or notification                  to, any court or administrative or                  governmental body. |
|--------|--------|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   | (ii) | Remaining Party hereby: (A) consents                  to the                  foregoing novation and transfer to Transferee; (B) agrees to be                  bound by                  the terms of each New Transaction and to perform all of the obligations                  thereunder in accordance with the terms hereof and thereof on and                  from the                  Novation Date; and (C) the execution, delivery and performance                  of this                  Novation Agreement, each New Transaction or the performance by                  the                  Remaining Party of its obligations thereunder or hereunder does                  not and                  will not require any consent, approval, authorization or other                  order of,                  action by, filing with or notification to, any court or administrative                  or                  governmental body. |
|--------|--------|------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   | (iii) | Transferor hereby represents and                  warrants:                  (A) it has the power and authority to effect the sale, novation                  and                  transfer of each Old Transaction and to execute this Novation Agreement;                  and (B) the execution, delivery and performance of this Novation                  Agreement                  or the performance by Transferor of its obligations hereunder does                  not and                  will not require any further consent, approval, authorization or                  other                  order of, action by, filing with or notification to, any court                  or                  administrative or governmental body, that has not been                  obtained. |
|--------|--------|-------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | The                  Transferor makes no representation or warranty and does not assume                  any                  responsibility with respect to the legality, validity, effectiveness,                  adequacy or enforceability of any New Transaction or the New Agreement                  or                  any documents relating thereto and assumes no responsibility for                  the                  condition, financial or otherwise, of the Remaining Party, the                  Transferee                  or any other person or for the performance and observance by the                  Remaining                  Party, the Transferee or any other person of any of its obligations                  under                  any New Transaction or the New Agreement or any document relating                  thereto                  and any and all such conditions and warranties, whether express                  or implied                  by law or otherwise, are hereby excluded. |
|--------|-----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (c) | Each of the Remaining Party and                  the                  Transferee represents for itself to the other as of the date that                  it                  enters into this Novation Agreement that: |
|--------|-----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   | (i) | ***Non-Reliance***.                    It is acting for its own account, and it has made its own independent                    decisions to enter into this Novation Agreement and the transactions                    contemplated hereby (the “**Novation                    Transactions**”)                    and as to whether the Novation Transactions are appropriate or                    proper for                    it based upon its own judgment and upon advice from such advisers                    as it                    has deemed necessary. It is not relying on any communication                    (written or                    oral) of the other party as investment advice or as a recommendation                    to                    enter into the Novation Transactions, it being understood that                    information                    and explanations related to the terms and conditions of the Novation                    Transactions shall not be considered to be investment advice                    or a                    recommendation to enter into the Novation Transactions. No communication                    (written or oral) received from the other party shall be deemed                    to be an                    assurance or guarantee as to the expected results of the Novation                    Transactions.  |
|--------|--------|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   | (ii) | ***Assessment and                  Understanding***.                  It is capable of assessing the merits of and understanding (on                  its own                  behalf or through independent professional advice), and understands                  and                  accepts the terms and conditions and risks of the Novation Transactions.                  It is also capable of assuming, and assumes, the risks of the Novation                  Transactions. |
|--------|--------|------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

*TXU**-          *****          Confirmation *

*Exhibit            B - Form of Novation Agreement*

|   |   | (iii)  | ***Status                  of the Parties***.                  Neither party hereto is acting as a fiduciary for or adviser to                  any other                  party hereto in respect of the Novation Transactions; and each                  party                  hereto represents to the others that: (A) this Novation Agreement                  and, on                  and from the Novation Date, the New Transactions, do not and will                  not                  violate or conflict with its charter or by-laws (or comparable                  constitutive documents), any statute, law, rule, regulation or                  ordinance,                  or any judgment, order, consent order, stipulated agreement, writ,                  injunction, or decree of, any court, governmental agency or any                  other                  regulated entity applicable to it or any agreement to which it                  is a party                  or by which it or any of its property is bound; (B) its obligations                  hereunder and, on and from the Novation Date, under the New Transaction                  are legal, valid and binding on it, and enforceable in accordance                  with                  their terms; and (C) the person signing this Novation Agreement                  for such                  party is an officer, director, and/or partner of such party and                  is                  authorized and duly empowered to do so. |
|--------|--------|-------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  **4.** | **Counterparts.** |
|--------------|-------------------|

|   | This                  Novation Agreement (and each amendment, modification and waiver                  in respect                  of it) may be executed and delivered in counterparts (including                  by                  facsimile transmission), each of* *which will be deemed an                  original. |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|  **5.** | **Costs                  and Expenses.** |
|--------------|------------------------------------------|

|   | The                  parties will each pay their own costs and expenses (including legal                  fees)                  incurred in connection with this Novation Agreement and as a result                  of the                  negotiation, preparation and execution of this Novation                  Agreement. |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| **6.** | **Amendments.** |
|--------|-----------------|

|   | No                  amendment, modification or waiver in respect of this Novation Agreement                  will be effective unless in writing (including a writing evidenced                  by a                  facsimile transmission) and executed by each of the parties or                  confirmed                  by an exchange of telexes or electronic messages on an electronic                  messaging system. |
|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| **7.** | (a) | **Governing                  Law and Jurisdiction.** |
|--------|-----|------------------------------------------------------|

|   |   | This                  Novation Agreement will be governed by and construed in accordance                  with                  the laws of the State of New York without reference to the conflict                  of                  laws provisions thereof. Any judicial action arising out of, resulting                  from, or in any way relating to this Novation Agreement may be                  brought in                  a state or federal court of competent jurisdiction located in the                  state,                  county and city of New York. |
|--------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | (b) | **Waiver                  of Jury Trial.** |
|--------|-----|--------------------------------------------|

|   |   | Each                  party waives, to the fullest extent permitted by applicable law,                  any right                  it may have to a trial by jury in respect of any suit, action or                  proceeding relating to this Novation Agreement. Each party certifies                  that                  no representative, agent or attorney of the other party has represented,                  expressly or otherwise, that such other party would not, in the                  event of                  such a suit action or proceeding, seek to enforce the foregoing                  waiver.  |
|--------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

***[THE          REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]***

*TXU **-            *****            Confirmation *

*Exhibit              B - Form of Novation Agreement*

|                                         |   |                                          |
|----------------------------------------------|--------|-----------------------------------------------|
| (Name                    of Remaining Party) |   |  (Name                    of Transferor) |

| By:    |   | By:    |
|--------|--------|--------|
| Name:  |   | Name:  |
| Title: |   | Title: |
| Date:  |   | Date:  |

|   |   |
|--------|--------|

| By:    |   |
|--------|--------|
| Name:  |   |
| Title: |   |
| Date:  |   |

*TXU**-          *****          Confirmation *

*Exhibit            B - Form of Novation Agreement*

**ANNEX              1**

**Old              Transactions to be discharged - listed; and**

**Old              Confirmations in Parts A-Z (if not listed, then actually              attached)**

**------------------------------------------**

**ANNEX              2**

**[Old              Agreements - listed]**

**--------------------------------------------**

**ANNEX              3**

**New              Agreements **

**Between              **

**Transferee              and [Remaining Party] **

**--------------------------------------------**

**ANNEX              4**

**[New              Transactions (Confirmations in Parts A - Z)]**

**------------------------------------------**

**ANNEX              5**

**[Offices              of Transferor; Remaining Party and the Transferee]**

**-------------------------------------**

**ANNEX              6**

**[Transferee              account details**

**Remaining              Party account details]**

*TXU                *
***-                ******
*                Confirmation *

*Exhibit                A *
*-                Form of Assignment Agreement*

**among**

**a                  [Insert type of entity]**
**                  organized under the laws of [●]**

**(“**
*Assignor*
**”)**

**and**

*******

**(“**
*Assignee*
**”)**

**and**

**a                  [●] organized under the laws of [●]**

**(“**
*Counterparty*
**”)**

**Dated                  as of [●] [●], [●]**