Document:

Sale Participation Agreement, dated as of February 1, 2008

 Exhibit 10(s) 
 SALE PARTICIPATION AGREEMENT 
 SLT Form 
 February 1, 2008 
  

	To:	The Person whose name is 

 set forth on the signature page
hereof 
 Dear Sir or Madam: 
 Concurrently with
entering into this letter agreement, you are entering into a Management Stockholder’s Agreement with Energy Future Holdings Corp., a Texas corporation formerly known as “TXU Corp.” (the “Company”) and Texas Energy
Future Holdings Limited Partnership, a Delaware limited partnership (“Parent”) (the “Stockholder’s Agreement”) relating to (i) your acquisition or continued ownership of common stock, no par value, of the
Company, including, without limitation, such common stock, no par value, of the Company hereafter acquired upon the exercise of Options or subsequently issued to a Management Stockholder Entity pursuant to a distribution under the terms of the EFH
Salary Deferral Plan (“Common Stock”) and/or (ii) the grant by the Company to you of new options (the “Options”) to purchase shares of Common Stock. 
 Parent hereby agrees with you as follows: 
 1. (a) In the event that at any time on or after the date hereof (i) Parent or (ii) any member of the Sponsor Group (as defined in the Stockholder’s Agreement) solely to the extent that such member of the Sponsor Group is
selling limited partnership units of Parent (“LP Units”) in connection with a sale (or series of related sales) of outstanding LP Units to a transferee that is not an Affiliate of any member of the Sponsor Group and other than such
sales (or series of related sales) prior to December 31, 2009 that do not exceed the Indirect Sale Threshold (as defined below) (each a “Selling Entity”) proposes to sell directly for cash or any other consideration (x) in
the case of clause (i) any shares of Common Stock owned by Parent and (y) in the case of clause (ii) any LP Units, in any transaction other than a Public Offering (as defined in the Stockholder’s Agreement) or a sale, directly or
indirectly, to an Affiliate of Parent, then, unless such Selling Entity is entitled to and does exercise the drag-along rights pursuant to Paragraph 7 below and a Drag Transaction (as defined below) is consummated, Parent will notify you or your
Management Stockholder’s Estate or Management Stockholder’s Trust (as such terms are defined in the Stockholder’s Agreement, and collectively with you, the “Management Stockholder Entities”), as the case may be, in
writing (a “Notice”) of such proposed sale (a “Proposed Sale”) specifying the principal terms and conditions of the Proposed Sale (the “Material Terms”) including (A) the number of Shares of
Common Stock or LP Units proposed to be included in the Proposed Sale, (B) the percentage of the outstanding Common Stock or LP Units at the time the Notice is given that is represented by the number of shares of Common Stock or LP Units
proposed to be included in the Proposed Sale, (C) the price per share 

 
of Common Stock subject to the Proposed Sale (where the event triggering the Notice is a sale of LP Units, such price per share of Common Stock shall be
deemed to be equal to the price per LP Unit subject to the proposed sale, subject to equitable adjustment for stock or unit dividends or splits, recapitalizations or similar events), including a description of any pricing formulae and of any
non-cash consideration sufficiently detailed to permit the valuation thereof, (D) the Tag Along Sale Percentage (as defined below) of the Selling Entity and (E) the name and address of the Person (as defined in the Stockholder’s
Agreement) to whom the Common Stock or LP Units is proposed to be sold. 
 “Indirect Sale Threshold” means (1) prior to
December 31, 2008, any sales of LP Units that, together with prior sales of LP Units to a transferee that is not an Affiliate of any member of the Sponsor Group, are of less than 50% of the LP Units, and that are at a cash price of less than
120% of the Base Price, and (2) from December 31, 2008 through December 31, 2009, any sales of LP Units that, together with other sales of LP Units from December 31, 2008 through December 31, 2009 to a transferee that is not
an Affiliate of any member of the Sponsor Group, are of less than 20% of the LP Units, and that for all such sales prior to December 31, 2009 under clause (1) and this clause (2) are less than 50% of the LP Units in the aggregate, and
that are at a cash price of less than 120% of the Base Price. 
 (b) If, within 10 Business Days after the delivery of Notice under
Paragraph 1(a), Parent receives from a Management Stockholder Entity a written request (a “Request”) to include Common Stock held by such Management Stockholder Entity in the Proposed Sale (which Request shall be irrevocable except
(a) as set forth in clauses (c) and (d) of this Paragraph 1 below or (b) if otherwise mutually agreed to in writing by the Management Stockholder Entity and Parent), the Common Stock held by such Management Stockholder Entities
plus all shares of Common Stock which you are then entitled to acquire under any unexercised portion of Options, to the extent such Option is then exercisable or would become exercisable as a result of the consummation of the Proposed Sale (not in
any event, other than as provided for below in Paragraph 2(a) in respect of the first (if any) Proposed Sale of LP Units that exceeds the Indirect Sale Threshold, to exceed the Tag Along Sale Percentage of the Selling Entity multiplied by the total
number of shares of Common Stock held by the Management Stockholder Entities in the aggregate, including all shares of Common Stock which you are then entitled to acquire under any unexercised portion of Options, to the extent such Option is then
exercisable or would become exercisable as a result of the consummation of the Proposed Sale) will be so included as provided herein. Promptly after the execution of the definitive sale agreement, if any, for such Proposed Sale (the “Sale
Agreement”), Parent will furnish each Management Stockholder Entity with a copy of the Sale Agreement, if any. For purposes of this Agreement, the “Tag Along Sale Percentage” shall mean the fraction, expressed as a
percentage, determined by dividing the number of shares of Common Stock or LP Units, as applicable, to be purchased from the Selling Entity by the total number of shares of Common Stock or LP Units, as applicable, owned directly by the Selling
Entity. 
 (c) Notwithstanding anything to the contrary contained in this Agreement, if any of the economic terms of the Proposed Sale
change, including without limitation if the per share price will be less than the per share price disclosed in the Notice, or any of the other principal terms or conditions will be materially less favorable to the selling Management Stockholder
Entities than those described in the Notice, Parent will provide written notice thereof 

  

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to each Management Stockholder Entity who has made a Request and each such Management Stockholder Entity will then be given an opportunity to withdraw the
offer contained in such holder’s Request (by providing prompt (and in any event within five (5) Business Days; provided that, notwithstanding the foregoing, if the proposed closing with respect to the Proposed Sale is to occur within five
(5) Business Days or less, no later than three (3) Business Days prior to such closing) written notice of such withdrawal to Parent), whereupon such withdrawing Management Stockholder Entity will be released from all obligations
thereunder. 
 (d) If the Selling Entity does not complete the Proposed Sale by the end of the 120th day following the date of the
effectiveness of the Notice, each selling Management Stockholder Entity may elect on or prior to such date to be released on and after such date from all obligations under the applicable Request by notifying Parent and any Selling Entity (if not
Parent) in writing of its desire to so withdraw. Upon receipt of that withdrawal notice, the Notice of the relevant Management Stockholder Entity shall be null and void, and it will then be necessary for a separate Notice to be furnished, and the
terms and provisions of clauses (a) and (b) of this Paragraph 1 separately complied with, in order to consummate such Proposed Sale pursuant to this Paragraph 1, unless the failure to complete such Proposed Sale resulted from any failure
by any selling Management Stockholder Entity to comply with the terms of this Paragraph 1. 
 (e) Notwithstanding anything to the contrary in
the foregoing provisions of this Paragraph 1, the Selling Entity may, in its sole discretion, decide whether or not to pursue, consummate, postpone or abandon the Proposed Sale and the terms and conditions thereof. None of the Company, the Selling
Entities or any of their respective Affiliates shall have any liability to any Management Stockholder Entity arising from, relating to or in connection with the pursuit, consummation, postponement, abandonment or terms and conditions of any such
Proposed Sale. 
 2. (a) The number of shares of Common Stock that you will be permitted to include in a Proposed Sale pursuant to a Request
will be the lesser of (A) the number of shares of Common Stock that you have offered to sell in the Proposed Sale as set forth in the Request and (B) the product of (i) the aggregate number of shares of Common Stock or LP Units, as
applicable, to be included in the Proposed Sale multiplied by (ii) a fraction the numerator of which is the number of shares of Common Stock owned by you plus all shares of Common Stock which you are then entitled to acquire under
any unexercised portion of Options, to the extent such Option is then exercisable or would become exercisable as a result of the consummation of the Proposed Sale and the denominator of which is the total number of shares of Common Stock owned by
you and all other Persons participating in such sale as tag-along sellers pursuant to Other Management Stockholders Agreements (as defined in the Stockholder’s Agreement) or other agreements (all such other participants, the “Tag Along
Sellers”) plus the total number of shares of Common Stock which you and such Tag Along Sellers are then entitled to acquire under any unexercised portion of Options, to the extent such Options are then exercisable or would become
exercisable as a result of the consummation of the Proposed Sale, plus all shares of Common Stock or LP Units, as applicable, owned by Parent; provided, that in the case of either of (A) or (B) above, for the first (if any)
Proposed Sale of LP Units that exceeds the Indirect Sale Threshold, the number of shares of Common Stock you will be permitted to include 

  

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shall be increased by the number of shares of Common Stock that you would have been entitled to include in all prior sales of LP Units that would have been
Proposed Sales if they had exceeded the Indirect Sale Threshold, calculated as if those sales of LP Units had exceeded the Indirect Sale Threshold and were subject to these tag-along provisions. Each Tag Along Seller shall be permitted to
conditionally exercise then-exercisable Options such that if the Proposed Sale in not consummated, such exercise shall be void and such Options shall remain exercisable on the same terms and conditions as prior to such conditional exercise.

 (b) If one or more Tag Along Sellers elect not to include the maximum number of shares of Common Stock which such Tag Along Seller would
have been permitted to include in a Proposed Sale pursuant to Paragraph 2(a) (such non-included shares, the “Eligible Shares”), then you and each of the remaining Tag Along Sellers, or any of them, will have the right to sell in the
Proposed Sale a number of additional shares of Common Stock equal to your pro rata portion of the number of Eligible Shares, based on the relative number of shares of Common Stock then held by you and each such Tag Along Seller plus all
shares of Common Stock which you and such Tag Along Seller are then entitled to acquire under any unexercised portion of the Option, to the extent such Option is then exercisable or would become exercisable as a result of the consummation of the
Proposed Sale. Such additional shares of Common Stock which you and such Tag Along Seller propose to sell shall not be included in any calculation made pursuant to Paragraph 2(a) for the purpose of determining the number of shares of Common
Stock which you will be permitted to include in a Proposed Sale. Notwithstanding any of the foregoing, the Selling Entity will have the right to sell in the Proposed Sale additional shares of Common Stock or LP Units, as applicable, owned by it
equal to the number, if any, of the total remaining Eligible Shares, which will not be included in any calculation made pursuant to Paragraph 2(a) for the purpose of determining the number of shares of Common Stock which you will be permitted to
include in a Proposed Sale. 
 3. Except as may otherwise be provided herein, shares of Common Stock subject to a Request will be included in
a Proposed Sale pursuant hereto and in any agreements with purchasers relating thereto on the same terms and subject to the same conditions applicable to the shares of Common Stock or LP Units which the Selling Entity proposes to sell in the
Proposed Sale. Such terms and conditions shall include, without limitation: the sale price; the payment of fees, commissions and expenses; the provision of, and customary representations and warranties as to, information reasonably requested by the
Selling Entity covering matters regarding the Management Stockholder Entities’ ownership of shares; and the provision of requisite indemnification; provided that any indemnification provided by the Management Stockholder Entities shall
be pro rata in proportion with the number of shares of Common Stock or LP units to be sold; provided, further, that no Management Stockholder Entity shall be required to (x) indemnify any Person for an amount, in the aggregate, in
excess of the gross proceeds received in such Proposed Sale, or (y) agree to any non-compete or non-solicit provisions that are more restrictive than such similar agreement between the Company and the applicable Management Stockholder.
Notwithstanding anything to the contrary in the foregoing, if the consideration payable for shares of Common Stock is securities and the acquisition of such securities by a Management Stockholder Entity would reasonably be expected to be prohibited
under U.S., foreign or state securities laws, such Management Stockholder Entity shall be entitled to receive an amount in cash equal to the value of any such securities such Person would otherwise be entitled to receive. 
  

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 4. Upon delivering a Request, the Management Stockholder Entities will, if requested by Parent, execute
and deliver a custody agreement and power of attorney in form and substance reasonably satisfactory to Parent with respect to the shares of Common Stock which are to be sold by the Management Stockholder Entities pursuant hereto (a “Custody
Agreement and Power of Attorney”). The Custody Agreement and Power of Attorney will contain customary provisions and will provide, among other things, that the Management Stockholder Entities will deliver to and deposit in custody with the
custodian and attorney-in-fact named therein a certificate or certificates (if such shares are certificated) representing such shares of Common Stock (duly endorsed in blank by the registered owner or owners thereof) and irrevocably appoint said
custodian and attorney-in-fact as the Management Stockholder Entities’ agent and attorney-in-fact with full power and authority to act under the Custody Agreement and Power of Attorney on the Management Stockholder Entities’ behalf with
respect to the matters specified therein. 
 5. Your right pursuant hereto to participate in a Proposed Sale shall be contingent on your
material compliance with each of the provisions hereof and your willingness to execute such documents in connection therewith as may be reasonably requested by the Selling Entity. 
 6. If the consideration to be paid in exchange for shares of Common Stock in a Proposed Sale pursuant to Paragraph 1 includes any securities, and the
receipt thereof by the Selling Entity and a Management Shareholder Entity would require under applicable law (a) the registration or qualification of such securities or of any Person as a broker or dealer or agent with respect to such
securities or (b) the provision to any selling Management Shareholder Entity of any information regarding the Company, its subsidiaries, such securities or the issuer thereof that would not be required to be delivered in an offering solely to a
limited number of “accredited investors” under Regulation D promulgated under the Securities Act of 1933, as amended, and the rules and regulations in effect thereunder, the Selling Entity and such Management Shareholder Entity shall not,
subject to the following sentence, have the right to sell shares of Common Stock in such proposed sale. In such event, the Selling Entity shall have the right to cause to be paid to such selling Management Shareholder Entity in lieu thereof, against
surrender of the shares of Common Stock which would have otherwise been sold by such selling Management Shareholder Entity to the prospective buyer in the proposed sale, an amount in cash equal to the Fair Market Value (as defined in the
Stockholder’s Agreement) of such shares of Common Stock as of the date such securities would have been issued in exchange for such shares of Common Stock. 
 7. (a) If any Selling Entity that directly owns shares of Common Stock or LP Units proposes to transfer, directly or indirectly (whether by means of a merger, consolidation, reorganization or recapitalization, sale,
transfer or otherwise), a number of shares of Common Stock or LP Units equal to 50% or more of the outstanding Common Stock or LP Units, as applicable (such Person, the “Drag-Along Purchaser”), then if requested by such Selling
Entity, each Management Stockholder Entity shall be required to sell a number of shares of Common Stock equal to the aggregate number of shares of Common Stock held by the Management Stockholder Entities (including shares of Common Stock underlying
exercisable Options) multiplied by the Tag Along Sale Percentage (such transaction, a “Drag Transaction”). 
  

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 (b) Shares of Common Stock held by the Management Stockholder Entities included in a Drag Transaction
will be included in any agreements with the Drag-Along Purchaser relating thereto on the same terms and subject to the same conditions applicable to the shares of Common Stock or LP Units, as applicable, which the Drag-Along Purchaser proposes to
sell in the Drag Transaction. Such terms and conditions shall include, without limitation: the pro rata reduction of the number of shares of Common Stock or LP Units to be sold by the Drag-Along Purchaser and the Management Stockholder Entities to
be included in the Drag Transaction if required by the Drag-Along Purchaser; the sale price; the payment of fees, commissions and expenses; the provision of, and representation and warranty as to, information reasonably requested by the Drag-Along
Purchaser covering matters regarding the Management Stockholder Entities’ ownership of shares of Common Stock; and the provision of requisite indemnification; provided that any indemnification provided by the Management Stockholder
Entities shall be pro rata in proportion with the number of shares of Common Stock or LP Units to be sold; provided, further, that no Management Stockholder Entity shall be required to (x) indemnify any Person for an amount, in
the aggregate, in excess of the gross proceeds received in such Proposed Sale, or (y) agree to any non-compete or non-solicit provisions that are more restrictive than such similar agreement between the Company and the applicable Management
Stockholder. 
 (c) Your pro rata share of any amount to be paid pursuant to Paragraph 3 or 7(b) shall be based upon the number of
shares of Common Stock intended to be transferred by the Management Stockholder Entities plus the number of shares of Common Stock you would have the right to acquire under any unexercised portion of the Option which is then vested or would become
vested as a result of the Proposed Sale or Drag Transaction, assuming that you receive a payment in respect of such Option. 
 (d)
Notwithstanding anything to the contrary in the foregoing, if the consideration payable to Management Stockholder Entities for shares of Common Stock is securities and the acquisition of such securities by a Management Stockholder Entity would
reasonably be expected to be prohibited under U.S., foreign or state securities laws, such Management Stockholder Entity shall be entitled to receive an amount in cash equal to the value of any such securities such Person would otherwise be entitled
to receive. 
 8. The obligations of Parent hereunder shall extend only to you and your transferees (“Permitted
Transferees”) who (a) are party to a Stockholder’s Agreement with the Company and (b) have acquired Common Stock pursuant to clause (ii) of the definition of a Permitted Transfer (as defined in the Stockholder’s
Agreement), and none of the Management Stockholder Entities’ successors or assigns, with the exception of any Permitted Transferee and only with respect to the Common Stock acquired by such Permitted Transferee pursuant to a Permitted Transfer,
shall have any rights pursuant hereto. 
 9. This Agreement shall terminate and be of no further force and effect on the occurrence of the
earlier of (A) the consummation of a Qualified Public Offering (as defined in the Stockholder’s Agreement) and (B) the later of the fifth anniversary of the Closing Date and a Change in Control (as defined in the Stockholder’s
Agreement). 
  

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 10. All notices and other communications required or permitted hereunder shall be in writing and shall be
deemed effectively given: (a) upon personal delivery to the party to be notified, (b) when sent by confirmed facsimile if sent during normal business hours of the recipient, if not, then on the next Business Day, (c) five
(5) days after having been sent by registered or certified mail, return receipt requested, postage prepaid or (d) one (1) Business Day after deposit with a nationally recognized overnight courier, specifying next day delivery, with
written verification of receipt. All communications shall be sent to such party’s address as set forth below or at such other address or to such other person as the party shall have furnished to each other party in writing in accordance with
this provision: 
 If to Parent, at the following address: 
 Texas Energy Future Holdings Limited Partnership 
 c/o TPG Capital, L.P. 
 301 Commerce Street, Suite 3300 
 Fort
Worth, Texas 76102 
 Attention: Clive Bode 
 Telecopy: (817) 871-4000 
 with a copy to: 
 Simpson Thacher & Bartlett LLP 
 425 Lexington Avenue 
 New York, New York 10017 
 Attention: Alvin H. Brown, Esq. 
                  Andrew W. Smith, Esq. 
 Telecopy: (212) 455-2502 
 If to you, to you at the address set forth on the signature page hereto; 
 If to your Management Stockholder’s Estate or Management Stockholder’s Trust, to the address provided to the Company by such entity in writing.

 11. In determining the applicable ownership thresholds and ownership percentages referenced in the Paragraphs above, appropriate
adjustments shall be made for any stock or unit dividends, splits, combinations, recapitalizations or any other adjustment in the number of outstanding shares of Common Stock or LP Units in order to maintain, as nearly as practicable, the intended
operation of the provisions herein. 
 12. The laws of the State of Texas shall govern the interpretation, validity and performance of the
terms of this Agreement. In the event of any controversy among the parties hereto arising out of, or relating to, this Agreement which cannot be settled amicably by the parties, such controversy shall be finally, exclusively and conclusively settled
by mandatory arbitration conducted expeditiously in accordance with the American Arbitration Association rules, by a single independent arbitrator. Such arbitration process shall take place in Dallas, Texas. The decision of the arbitrator shall be
final and binding upon all parties hereto and shall be rendered pursuant to a written decision, which contains a detailed recital of the arbitrator’s 

  

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reasoning. Judgment upon the award rendered may be entered in any court having jurisdiction thereof. Each party shall bear its own legal fees and expenses,
unless otherwise determined by the arbitrator; provided that if the Management Stockholder substantially prevails on any of his or her substantive legal claims, Parent shall reimburse all legal fees and arbitration fees incurred by the Management
Stockholder to arbitrate the dispute. Each party hereto hereby irrevocably waives any right that it may have had to bring an action in any court, domestic or foreign, or before any similar domestic or foreign authority with respect to this
Agreement. 
 13. This Agreement may be executed in counterparts, and by different parties on separate counterparts, each of which shall be
deemed an original, but all such counterparts shall together constitute one and the same instrument. 
 14. This Agreement may be amended by
Parent at any time upon notice to the Management Stockholder thereof; provided that any amendment (i) that materially disadvantages the Management Stockholder shall not be effective unless and until the Management Stockholder has
consented thereto in writing and (ii) that disadvantages the Management Stockholders in more than a de minimis way but less than a material way shall require the consent of Management Stockholders holding a majority of the equity interests held
by the Management Stockholders. 
 15. Capitalized terms used by not defined herein shall have the meaning ascribed to such terms in the
Stockholder’s Agreement. 
 [Signatures on following pages] 
  

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 If the foregoing accurately sets forth our agreement, please acknowledge your acceptance thereof in the
space provided below for that purpose. 
  

			
	Very truly yours,
	
	TEXAS ENERGY FUTURE HOLDINGS LIMITED PARTNERSHIP
		
	By:	 	TEXAS ENERGY FUTURE CAPITAL HOLDINGS LLC,
		 	its general partner
		
	By:	 	 /s/ Michael MacDougall

	Name:	 	
	Title:	 	

  

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	Accepted and agreed as of the date first written
	above.
	
	 /s/ John F. Young

	Name: John F. Young
	Address:

 [Signature page to Sale Participation Agreement] 
  

 10Severance and Release Agreement, dated October 10, 2007

 Exhibit 10(t) 
 EXECUTION COPY 
 SEVERANCE AND RELEASE AGREEMENT 
 This Severance and Release Agreement (the “Agreement”) is entered into between TXU CORP., a Texas corporation (the
“Company”), and C. John Wilder, an individual who as of the effective date of this Agreement serves as the Chairman of the Board and Chief Executive Officer of the Company (“Executive”). Executive and Company are
referred to in this Agreement as the “Parties.” 
 RECITALS 
 WHEREAS, Executive has been employed by and served as an officer and director of the Company and its Affiliates (defined below); 
 WHEREAS, the Company, Texas Energy Future Holding Limited Partnership (“TEF LP”) and Texas Energy Future Merger Sub Corp (“Merger
Sub”), entered into a merger agreement dated February 25, 2007, and TEF LP has indicated its intent to convert the Company to a private enterprise and operate the Company’s principal businesses such that they are substantially
separate from each other and with a limited range of corporate management functions at the Company; 
 WHEREAS, Executive and Company
agree that, upon approval of the merger by the Company’s shareholders and the effective time of the merger (the “Closing”), Executive’s right to terminate his employment with the Company for Good Reason, as defined in the
employment agreement between Executive and Company dated February 21, 2004 (“Employment Agreement”), will have been triggered; 
 WHEREAS, Executive has advised the Company of the Executive’s intention to terminate his employment with the Company for Good Reason effective on the next calendar day after Closing, and the Company is
waiving any rights it may have to cure such Good Reason; 
 WHEREAS, the Company and Executive desire to enter into this Agreement
setting forth the terms of Executive’s separation from the Company following Closing. 
 NOW, THEREFORE, in consideration of the
promises and mutual agreements in this Agreement, and for other good and valuable consideration, the receipt and legal sufficiency which are acknowledged, the Company and Executive agree as follows: 
 ARTICLE 1  
 RESIGNATION
AND TERMINATION OF EMPLOYMENT 
 Effective at Closing, Executive will resign from all positions he holds as a director of the Company
and any entity that controls, is controlled by, or is under common control with the Company (an “Affiliate”), including, but not limited to, those Affiliates listed on Exhibit 1 to this Agreement. Effective on the next calendar day
after Closing (the “Separation Date”), Executive’s employment with the Company and any Affiliates will also end. 
  

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 At or before the Separation Date, Executive will return all property of the Company and its Affiliates,
including all Confidential Information (as defined below), in his possession. If Executive discovers, or comes into possession of, any such Confidential Information after the Separation Date, he shall promptly return it to the Executive Vice
President and General Counsel of the Company. 
 Executive shall have seven (7) business days after the Separation Date to remove his
personal property from the Company’s offices, and the Company shall reasonably cooperate with Executive in connection with the removal of Executive’s personal property. Executive will reasonably cooperate with the Company in connection
with his departure by permitting the Company to inspect his home computer(s) and copy, prepare back-ups of, then physically remove and delete any Confidential Information contained therein. The Company shall also inspect any boxes and other
materials Executive removes from the premises of Energy Plaza. After the Company has completed such inspections and, if so satisfied, it will provide Executive with a statement that all Confidential Information has been removed from Executive’s
home computer(s) and that none of the boxes or other material removed by Executive and inspected by the Company contained Confidential Information. 
 ARTICLE 2  
 SEVERANCE PAYMENT AND BENEFITS 
  

	2.1	Severance Payment 

  

	 	a.	Consistent with the Employment Agreement, and in consideration for the promises contained in this Agreement, the Company will provide Executive with the severance payments and
benefits described below: 

  

	 	(i)	Cash Severance Payment. The Company will pay Executive a one-time, lump-sum cash severance payment equal to two times the sum of Executive’s base salary and target
annual bonus under the Company’s Executive Annual Incentive Plan (“EAIP”). The payment, net of all taxes and required withholdings, shall be paid to Executive on the Separation Date, or as soon thereafter as administratively
possible, but in no event later than the third (3rd) business day after the Separation Date. 

  

	 	(ii)	Pro-Rata Annual Bonus for 2007. The Company will pay Executive a one-time bonus consistent with the bonuses paid under the EAIP. The bonus shall be based on actual
performance for 2007 as determined by the TXU Corp. Board of Directors’ Organization and Compensation Committee (“O&C Committee”) prior to Closing up to the maximum level of performance and pro-rated for the portion of the
performance period that Executive was employed by the Company. The payment, net of all taxes and required withholdings, shall be paid to Executive on the Separation Date, or as soon thereafter as administratively possible, but in no event later than
the third (3rd) business day after the Separation Date. 

  

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	 	(iii)	Cash Payment for Outstanding LTIP Awards. The Company will pay Executive an additional one-time lump-sum cash payment for the performance-based long-term incentive
compensation awards (“LTIP Awards”) granted in 2005, 2006 and 2007 pursuant to Executive’s Employment Agreement. The performance units shall be valued based upon the product of: (x) the number of shares payable pursuant to
each performance award (adjusted to reflect the Company’s attainment or non-attainment of the performance criteria set forth in the Employment Agreement as determined by the Company’s O&C Committee prior to the effective time of the
Closing); and (y) the price of TXU Corp.’s stock paid in connection with the merger at Closing (“Per Share Merger Consideration”), provided, however, that that with respect to awards granted in 2007, the performance
adjustment has been capped at one hundred percent (100%). The cash payment representing the LTIP Award payment described in this Sub-Section 2.1(a)(iii) will be deposited in a rabbi trust held by Wells Fargo Bank (“Wells Fargo Rabbi
Trust”) and the cash invested as directed by the Company. The cash (plus any accumulated earnings) will be distributed to Executive on the later of the Separation Date or January 2, 2008. 

  

	 	 (iv)
	 Office and Related Services. Payment for appropriate and suitable furnished office space at a mutually agreeable
location, together with secretarial assistance, phone and internet service, for a period of one (1) year beginning on the Separation Date. Executive shall be provided two lump-sum payments in connection with the office related expenses provided
under this Agreement. The first payment will cover such expenses for the period from the Separation Date through December 31, 2007 and shall be made net of all taxes and other withholdings on the Separation Date or as soon thereafter as
administratively possible, but in no event later than the third (3rd) business day after the Separation Date. The second payment will be
deposited into the Wells Fargo Rabbi Trust on or before the Separation Date, will cover such expenses for the period from January 1, 2008 through the end of the one year period and shall be distributed by the Trust to the Executive on
January 2, 2008. Such secretarial assistance shall be provided at Company’s expense for such one (1) year period by Executive’s current administrative assistant, Janice Wallace, who shall remain subject to the Company’s
policies and procedures for as long as she is employed by the Company. Following such one (1) year period and consistent with prior practice for the departing Chairman and Chief Executive Officer, Executive can elect to reimburse the Company at
costs for services of Ms. Wallace during her employment with the Company. 

  

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	 	(v)	Accrued Obligations. A one-time, lump sum cash payment for: a) Executive’s base salary through the Separation Date, to the extent it has not already been paid; b)
Executive’s unused vacation days as of the Separation Date, to the extent it remains unused and he has not otherwise been paid for it; and c) any expense reimbursements to which Executive is entitled through the Separation Date, to the extent
it has not already been paid. The payment shall be paid to Executive on the Separation Date, or as soon thereafter as administratively possible, but in no event later than the third (3rd) business day after the Separation Date.

  

	 	 (vi)
	 COBRA. To the extent Executive elects to continue medical benefits pursuant to the Consolidated Omnibus Budget
Reconciliation Act of 1985 (“COBRA”), the Company will offer Executive and his eligible dependents COBRA coverage for eighteen (18) months, subject to COBRA’s provisions. The Company will provide Executive on the
Separation Date, or as soon thereafter as administratively possible, but in no event later than the third (3rd) business day after the
Separation Date, a one-time, lump-sum payment, net of all taxes and other withholdings, of the difference between the total cost of COBRA coverage and the employee rate that Executive will be required to contribute. 

  

	 	(vii)	Gross-up. Pursuant to Section 4.6 of the Employment Agreement, if any payment, distribution or provision of a benefit provided or to be provided under the terms of this
Agreement (“Payment”) is or would be subject to an Excise Tax (as defined in the Employment Agreement), Executive shall be paid the Gross-up Payment (as defined in the Employment Agreement). 

 The Company, along with its outside tax advisors, will develop an estimate of the Gross-up Payment and provide it to Executive prior to the Separation
Date; and that estimate will determine the Gross-up Payment. The Parties agree that all Gross-up Payments will be determined, paid and otherwise treated consistent with Exhibit 2 to this Agreement. 
 The Company shall deposit into the Wells Fargo Rabbi Trust, on or before the Separation Date, funds to cover Executive’s excise taxes and Gross-up
Payments related to payments made pursuant to Sections 2.1(a)(iii), 2.1(a)(iv) and 2.2(c). The Company or, in the case of payments under Sections 2.1(a)(iii), 2.1(a)(iv) and 2.2(c), the Wells Fargo Rabbi Trust and/or any other trust established for
the purpose of funding Gross-up Payments, shall: (1) pay all of the excise taxes that the Company and Executive believe are owed with respect to the Payment no later than on the business day following the date of payment; (2) impute such taxes
paid into the income of the Executive; and (3) pay all taxes related to such income imputation no later than on the business day following the date of payment. As a result of the foregoing tax payments by the Company, the Payment made to
the Executive will not be reduced by any such excise taxes or additional taxes on the imputed income. The Company shall 

  

 4 

 
report such additional income and the total amount of taxes paid on the Executive’s Form W-2 for the year of payment. Any other Gross-up Payment to
which Executive is entitled will be paid at the time when the relevant tax is due. All these payments will be reduced by normal required income and employment tax withholding and will be reported as income on the Executive’s Form W-2 for the
year in which payment occurs. For the avoidance of doubt, this last paragraph of Section 2.1(a)(vii) of this Agreement shall not operate to reduce or eliminate any Gross-up Payment to which Executive is entitled under Section 4.6 of
the Employment Agreement, but merely clarifies the timing of such payments. 
  

	 	b.	The Company and Executive agree that the payments and benefits described in Section 2.1(a) above shall be in lieu of any other separation, severance incentive or benefits
offered under any plan, program or agreement (including the Employment Agreement) to which Executive may have been, or to which Executive believes he may be, entitled as a result of his employment with or separation from the Company or any
Affiliate, except for those distributions specifically provided for in Section 2.2 below. Any such payments shall be less any applicable tax and/or withholdings, deductions or obligations, including any amounts owed to the Company or an
Affiliate by Executive on any Company issued or sponsored travel or credit cards or any other expenses or payments for which the Company is entitled to be reimbursed by Executive. 

  

	2.2	Benefits 

  

	 	a.	It is agreed that, from and after the Separation Date, Executive shall not be eligible to continue to participate in any employee benefit plan, program or policy sponsored by the
Company or any Affiliate, except for rights that have vested as of the Separation Date or as specifically provided in this Agreement. 

  

	 	b.	Executive will be entitled to receive a distribution of the vested and deferred shares currently in a rabbi trust held by Mellon Bank (“Mellon Bank Rabbi Trust”)
pursuant to the Special Incentive Compensation Award (as defined in the Employment Agreement) made to Executive following his execution of the Employment Agreement. As provided for in the Employment Agreement, the receipt of such shares was deferred
pursuant to the terms of a letter dated June 20, 2005 from Executive to the Company. The parties agree that, upon Closing, such deferred shares will be converted into cash in an amount equal to the Per Share Merger Consideration times the
number of shares held in the Mellon Bank Rabbi Trust. The cash will be invested consistent with the terms of the Mellon Bank Rabbi Trust, and the cash (plus any accumulated earnings), less applicable federal, state and local tax withholding, will be
distributed to Executive on the later of the Separation Date or January 2, 2008. 

  

 5 

	 	c.	Executive will be entitled to receive a distribution of all earned and vested LTIP Awards that were deferred in March 2006 and March 2007, pursuant to that certain First Amendment
to the Employment Agreement between TXU Corp. and C. John Wilder dated as of June 21, 2005. Upon Closing, such awards will be converted to cash in an amount equal to the Per Share Merger Consideration times the number of performance units. The
cash will be deposited in the Wells Fargo Rabbi Trust and the cash invested as directed by the Company, and the cash (plus any accumulated earnings), less applicable federal, state and local tax withholding, will be distributed to Executive on the
later of the Separation Date and January 2, 2008. 

  

	 	d.	Following the period of COBRA coverage as described above in Section 2.1(a), Executive and his eligible dependents shall be eligible for retiree medical coverage then
maintained by the Company with any and all required contributions being borne by Executive. 

  

	 	e.	Executive will be entitled to receive a distribution of his vested awards or vested account balances under, and subject to the provisions of, each of the governing plan documents of
the following employee benefit plans and other terms described in the Employment Agreement: 

  

	 	(i)	TXU Retirement Plan (Cash Balance formula); 

  

	 	(ii)	TXU Thrift Plan; 

  

	 	(iii)	TXU Supplemental Retirement Plan (“SERP”); 

  

	 	(iv)	TXU Deferred and Incentive Compensation Plan (“DICP”); 

  

	 	(v)	TXU Salary Deferral Plan (“SDP”); and 

  

	 	(vi)	TXU Health Care and Life Insurance Plan. 

 ARTICLE 3 

 WAIVER AND RELEASE 
  

	3.1	Release of Company by Executive 

 Executive represents that
he has not filed any complaints of any kind whatsoever with any local, state, federal, or governmental agency or court against the Company based upon, or in any way related to, Executive’s employment with the Company. Executive further
represents that he understands that payment of the severance payments and benefits as provided for in Article 2 constitute a full and complete satisfaction of any claims, asserted or unasserted, known or unknown, that Executive has or may have
against the Company or an Affiliate except as provided below. In exchange for the payments to be made by the Company and benefits to be received by Executive under this Agreement, Executive individually and on behalf of Executive’s spouse,
heirs, successors, and assigns hereby agrees not to sue or instigate any grievance, charge, claim, action, or suit at law or in equity, and unconditionally releases, dismisses and forever discharges the Company, including its predecessors,
successors, parents, subsidiaries, affiliated corporations, limited liability companies and partnerships, including (but not limited to) TXU Corp., Energy Future Competitive Holdings Company, TXU Energy 

  

 6 

 
Holdings Company, Luminant Mining Services Company, Luminant Energy Services Company, Luminant Power Services Company, TXU Business Services Company, TXU
Retail Services Company, TXU Energy Company LLC, TXU Energy Retail Company LP, TXU Portfolio Management Company LP (d/b/a TXU Wholesale), TXU Energy Solutions Company LP, Oncor Electric Delivery Company, TXU Generation Company LP, TXU Generation
Management LLC, Generation SVC Company, TXU Big Brown Generation Company LP, TXU Mining Company, LP, TXU Enterprise Holdings, LLC, and all of their employee benefit plans, officers, directors, fiduciaries, employees, assigns, representatives, agents
and counsel (collectively the “Released Parties”) from any and all claims, demands, liabilities, obligations, agreements, damages, debts and causes of action arising out of, or in any way connected with, Executive’s employment
with or separation from the Company or any of the Released Parties except as set forth below. This waiver and release includes, but is not limited to, all claims and causes of action arising under or related to Title VII of the Civil Rights Act of
1964, as amended; the Civil Rights Act of 1991; the Civil Rights Act of 1866; Section 1981 of Title 42 of the United States Code, as amended; the Age Discrimination in Employment Act of 1967, as amended; the Americans with Disabilities Act; the
Employee Retirement Income Security Act of 1974, as amended; Section 211 of the Energy Reorganization Act; the Sarbanes-Oxley Act of 2002; the Older Workers Benefit Protection Act of 1990; the Worker Adjustment and Retraining Notification Act;
the Occupational Safety and Health Act, as amended; the Family and Medical Leave Act; the Texas Labor Code, including (but not limited to) Chapter 451; the Texas Commission on Human Rights Act; all state and federal statutes and regulations; all
oral or written contract rights, including any rights under any Company incentive plan, program or labor agreement; and all claims arising under common law including breach of contract, tort or for personal injury of any sort; SAVE and EXCEPT
Executive does not release Company from any liability for: (i) any claim for which Executive is entitled to indemnification under the terms of any contractual indemnity or the charter, articles or bylaws of the Company; (ii) any vested
rights under any of the Company’s employee benefit plans; (iii) Executive’s rights under this Agreement and under Sections 4.6, 4.7, 4.9, 5.1, 5.3 and 5.5 of the Employment Agreement that survive Executive’s separation from
employment; and (iv) Executive’s rights under any directors and officers liability insurance policies that provide coverage to Executive in his capacity as a former officer or director of the Company or any of its Affiliates, and nothing
in this agreement is intended to or shall constitute a waiver of any such insurance coverage available to Executive. 
 Executive understands
that this Waiver and Release precludes him from recovering any relief as a result of any lawsuit, grievance or claim brought on his behalf and arising out of his employment or separation from employment. However, nothing in this Waiver and Release
restricts Executive in any way from truthful communications with, filing a charge or complaint with, or full cooperation in the investigations of, any governmental agency on matters within their jurisdictions or from cooperating with the Company in
any internal investigation. 
  

	3.2	Release of Executive by Company 

 The
Company, on behalf of itself and its Affiliates, hereby releases, discharges and agrees to indemnify and hold harmless Executive from any and all claims and causes of action that it or they may have against Executive arising out of his employment
with, or separation from, the Company or any Affiliate. Such release, discharge and indemnification does not include claims for violation of any law, including any securities law or willful misconduct (the Company acknowledges that it is not aware
of any such conduct as of the execution of this 

  

 7 

 
Agreement). Company further acknowledges and agrees that, except as provided below, Executive’s sole obligations to Company from and after the
Separation Date are set forth in this Agreement and that all prior agreements, whether written or oral, are terminated and of no further force and effect as of the Separation Date. The Company currently maintains directors and officers liability
insurance policies which provide coverage to Executive in his capacity as a former officer and director of the Company and its Affiliates. Executive shall retain, and nothing in this Agreement shall affect, Executive’s rights to all
indemnification and rights, including any to advancement or payment of defense and/or related legal costs, provided by a) the Company’s directors and officers liability insurance to the maximum extent provided for or permitted by the directors
and officers liability insurance policy, and/or b) the Company’s by-laws, charter, articles of incorporation or policies that may be applicable to Executive as a former officer of the Company. 
 ARTICLE 4 
 CONSULTATION AND
REVOCATION PERIODS 
 Executive understands that signing this Agreement, including the Waiver and Release described in Article 3, is an
important legal act. Executive acknowledges that he has consulted with legal counsel of his own choosing in connection with the matters addressed in this Agreement. Executive further acknowledges that he had twenty-one (21) days from the day he
received this offer to consider this Agreement. Executive understands further that, for a period of seven (7) days following his signing of this Agreement (“Revocation Period”), he may revoke his acceptance of the offer
represented by this Agreement by either delivering or mailing a written statement revoking his acceptance to Executive Vice President and General Counsel, TXU Corp., 1601 Bryan Street, 6th Floor, Dallas, Texas, 75201. In the event of such a
revocation, the terms of this Agreement will be null and void. In such case, any payments made to Executive pursuant to this Agreement (other than the Accrued Obligations described in Section 2.1(a)(v) of this Agreement) prior to the end of the
Revocation Period must be promptly repaid to the Company, and Executive expressly acknowledges a debt to the Company for the full amount of such payments plus any interest earned on such payments between the time of payment to Executive and his
repayment to the Company. Employee acknowledges a personal debt to the Company of such amount and agrees to promptly pay the Company the full amount of that debt.  
 ARTICLE 5 
 NON-DISCLOSURE NON-SOLICITATION AND NON-DISPARAGEMENT 
  

	5.1	Confidentiality and Non-Disclosure 

 Executive understands and confirms that, as a result of his employment with the Company, he has obtained information of a proprietary and/or confidential nature relating to the Company and its Affiliates. Executive hereby reconfirms his
agreement to fully abide by the nondisclosure obligations set forth in Section 4.9 of his Employment Agreement, as well as the confidentiality and non-disclosure obligations set forth in the Company’s Code of Conduct. 
  

 8 

	5.2	Non-Solicitation 

 Executive hereby
reconfirms his agreement as set forth in Section 4.10 of the Employment Agreement that he shall not for the one (1) year period following the Separation Date, directly or knowingly indirectly, either as an employee, employer, independent
contractor, consultant, agent, principal, partner, stockholder, officer, director, or in any other individual or representative capacity, either for his own benefit or the benefit of any other person or entity: (a) solicit, induce, encourage or
in any way cause any of Company’s or an Affiliate’s customers or prospective customers, or any person, firm, corporation, company, partnership, association or entity which was contacted or whose business was solicited, serviced or
maintained by Company or an Affiliates during the term of Executive’s employment with Company, to reduce or terminate its business relationship with Company or such Affiliate; or (b) solicit, recruit, induce, encourage or in any way cause
any employee of Company or an Affiliate to terminate his/her employment with the Company or such Affiliate 
  

	5.3	Non-Disparagement 

 Neither the Executive nor
the Executive’s family, counsel or representatives (collectively the “Executive Group”) nor the Company shall issue any press release or make any statement to the press or other public statement or make any statement (and the
Company shall further instruct the directors, officers or controlling partners of the Company (any of the foregoing, together with the Company, the “Company Group”) from issuing any press release or other public statement or making
any statement), directly or through any entity or intermediary which is reasonably intended or reasonably likely to become public that is untrue, derogatory or disparaging of, damaging to; that alleges improper conduct by; or that is reasonably
likely or intended to cause reputational damage or embarrassment (any such statement, a “Prohibited Statement”) to the Executive or the Company Group, as applicable; provided, however, that notwithstanding the
foregoing: (a) in the event a member of the Executive Group or the Company Group breaches the covenants of this Article 5.3 (the “Breaching Party”) with respect to statements made about the other party (the “Injured
Party”), the Injured Party shall be permitted to defend itself against any statement made by any Breaching Party that is a Prohibited Statement regarding an Injured Party, so long as the Breaching Party (x) reasonably
believes that the statements made in such defense of a Prohibited Statement are not false statements, and (y) makes statements in such defense that are directly responsive to the Prohibited Statement; (b) members of the Executive Group or
Company Group, as applicable, shall be permitted to (i) make any statement that is required by applicable securities laws or other laws or regulations to be included in a filing or disclosure document, provided that the disclosing party shall
provide the other party hereto with reasonable advance notice of such statement; and (ii) provide truthful testimony in any legal proceeding or truthful information to any regulatory or governmental agency; and (c) the Company Group shall
be permitted to issue press releases, make statements to the press, give guidance to the market or make statements to regulators, governmental agencies, legislators or other governments officials, shareholders, shareholder advocates or their
respective representatives or make other statements in connection with the operation, financing or rating of the Company, in which the Company distinguishes the differences between the Company and the previous operations of TXU Corp. and its
subsidiaries, without specific personal reference to, or personal comments about the Executive, other than to confirm the mere fact that he was the former Chief Executive Officer and Chairman of TXU Corp.; provided, further, that none
of the matters permitted by the foregoing proviso shall be deemed to be a Prohibited Statement. 
  

 9 

	5.4	Injunctive Relief 

 Executive and the Company
also agree that a breach of this Article by one party would cause immediate and irreparable loss, damage and injury to the other party; that damages for such a breach would be exceedingly difficult, if not impossible, to estimate; and that the
non-breaching party would have no adequate remedy at law. Accordingly, Executive and the Company each acknowledge that injunctive relief would be appropriate relief for such breach. 
 ARTICLE 6 
 MISCELLANEOUS 
  

	6.1	Tax and Withholdings 

  

	 	a.	Tax and Financial Implications of Agreement. In the event that any of the Released Parties is required under law to pay taxes (income, social security or other) or related
interest or penalties on any part of the amounts paid hereunder as a result of Executive’s failure to do so or as a result of Executive’s treatment of the payments amount as non-taxable, Executive shall immediately reimburse the Released
Parties the full amount of such payments. Otherwise, Executive shall be responsible for reasonable expenses, including legal fees, incurred by any of the Released Parties in obtaining compliance with or enforcement of the terms of this Paragraph, as
well as for the full amount of reimbursement payments. 

  

	 	b.	Withholding. The Company may withhold from any amounts payable under this Agreement such federal, state or local taxes as shall be required to be withheld pursuant to any
applicable law or regulation. In addition, Executive expressly authorizes and agrees that any amounts that he owes regarding Company-issued or sponsored travel or credit cards, and any amounts that he owes the Company or any Released Parties,
including amounts owed under the energy conservation program, the appliance purchase program, vacation overpayment, and salary, bonus and benefit overpayments, may be offset and deducted from the payments to be made hereunder.

  

	6.2	Severability; Judicial Modification 

 If any
term, provision, covenant, or restriction of this Agreement is held by a court of competent jurisdiction to be invalid, void or unenforceable, the remainder of this Agreement and the other terms, provisions, covenants and restrictions hereof shall
remain in full force and effect; they shall in no way be affected, impaired or invalidated. It is hereby stipulated and declared to be the intention of the Parties that they would have executed this Agreement had the terms, provisions, covenants and
restrictions that may be hereafter declared invalid, void or unenforceable not been initially included. 
  

	6.3	Survival of Covenants 

 The Parties agree
that the covenants and agreements set forth in Articles 3, 5, and 6 of this Agreement are of a continuing nature, and they shall survive the expiration, termination or cancellation of this Agreement, unless such Articles are specifically
extinguished, terminated or cancelled in a writing signed by both Parties and identified as an amendment to this Agreement. 
  

 10 

	6.4	Assignment 

 This Agreement is personal
between Company and Executive. Executive may not sell, assign or transfer any rights or interests created under this Agreement, or delegate any of his duties, without the prior written consent of the Company. Company may not, without
Executive’s consent, assign this Agreement or its rights, benefits and obligations hereunder, to any of its Affiliates or a successor entity. 
  

	6.5	Further Assurances  

 The Parties agree to
perform any further acts and to execute and deliver any further documents which may be necessary or appropriate to carry out the purposes of this Agreement. 
  

	6.6	Governing Law; Attorneys’ Fees and Costs 

 This Agreement shall be governed by, and construed and enforced in accordance with, the laws of the State of Texas, regardless of choice-of-law principles. Each party submits to the jurisdiction of the courts in Dallas County, Texas, and
the Parties agree that the proper venue and jurisdiction for any cause of action relating to this Agreement (whether sounding in tort or contract) shall be in Dallas County, Texas. In the event any issue arising out of this Agreement is litigated by
the Parties, the prevailing party shall be entitled to recover from the other party its reasonable attorneys’ fees and costs. 
  

	6.7	Notices 

 All notices from one party to the
other shall be deemed to have been duly delivered when hand delivered or sent by United States certified mail, return receipt requested, postage prepaid, as follows: 
  

			
	If to Executive:	  	If to the Company:
		
	Philip L. Mowery, Esq.	  	Executive VP and General Counsel
	Vedder Price	  	TXU Corp.
	222 North LaSalle Street	  	1601 Bryan Street, 6th Floor
	Chicago, Illinois 60601	  	Dallas, Texas 75201
		
	 and
	  	
	
	 C. John Wilder
 at the address on file with
Company

  

	6.8	Non-Waiver 

 The failure of either Party to
enforce or require timely compliance with any term or provision of this Agreement shall not be deemed to be a waiver or relinquishment of rights or obligations arising hereunder, nor shall any such failure preclude the enforcement of any term or
provision or avoid the liability for any breach of this Agreement 
  

 11 

	6.9	Merger/Entirety of Agreement 

 This Agreement
constitutes the entire agreement between the Parties hereto with respect to the subject matter of this Agreement, including but not limited to the restrictive covenants set forth in Article 5. Except where specifically referenced otherwise in this
Agreement, it supersedes and replaces any and all prior or contemporaneous negotiations, undertakings, understandings or agreements (whether written or oral) of any kind between Executive and Company with respect to the terms of Executive’s
separation from the Company and its Affiliates. 
 I HAVE READ THIS AGREEMENT AND FULLY UNDERSTAND ALL ITS TERMS AND WHAT THEY MEAN. NO OTHER PROMISE,
INDUCEMENT, THREAT, AGREEMENT OR UNDERSTANDING OF ANY KIND OR DESCRIPTION WHATSOEVER HAS BEEN MADE WITH OR TO ME TO CAUSE ME TO SIGN THIS AGREEMENT. I ENTER INTO AND SIGN THIS AGREEMENT KNOWINGLY AND VOLUNTARILY, WITHOUT DURESS OR COERCION OF ANY
KIND WHATSOEVER, AND WITH THE INTENT OF BEING LEGALLY BOUND BY THE AGREEMENT. 
 IN WITNESS WHEREOF, the Parties execute this Agreement as follows:

  

			
	THE COMPANY
		
	By:	 	/s/ David P. Poole
		 	David P. Poole, Executive Vice President and General Counsel
	
	EXECUTIVE
	
	/s/ C. John Wilder
	C. John Wilder
	Date:	 	10-10-07

  

 12 

 EXHIBIT 1 
 Energy Future Competitive Holdings Company 
 Director 
 Luminant Holding Company LLC 
 Manager 
 Luminant Mining Services Company 
 Director 
 Luminant Power Services Company 
 Director 

Luminant Wholesale Services Company 
 Director

 Oncor Electric Delivery Company 
 Director 
 Texas Competitive Electric Holdings Company LLC 
 Manager 
 TXU Business Services Company 
 Director 
 TXU Corp. 
 Director 
 TXU Energy Retail Company LLC 
 Manager 
 TXU Energy Retail Management Company LLC 

 Manager 
 TXU Generation Development
Company LLC 
 Manager 
 TXU Generation
Management Company LLC 
 Manager 
 TXU
Retail Services Company 
 Director 

 EXHIBIT 2 
 [ADDITIONAL PAYMENT AGREEMENT TO BE ATTACHED]

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