**Exhibit 4(c)**

**FOURTH SUPPLEMENTAL INDENTURE**

Fourth Supplemental Indenture (this “Supplemental Indenture”), dated as of May 21, 2010, among Energy Future HoldingsCorp., a Texas corporation (the “Issuer”), the Guarantors named on the signature pages hereto (the “Guarantors”) and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”).

**W I T N E S S E T H**

WHEREAS, each of the Issuer and the Guarantors has heretofore executed and delivered to the Trustee an Indenture, dated as of January 12,2010 (the “Original Indenture”), providing for the issuance of $500,000,000 in aggregate principal amount of 10.000% Senior Secured Notes due 2020 on the Issue Date (the “Initial Notes”), a First SupplementalIndenture, dated as of March 16, 2010 (the “First Supplemental Indenture”), providing for the issuance of $34,000,000 in aggregate principal amount of Additional Notes on March 16, 2010 (the “March AdditionalNotes”), a Second Supplemental Indenture, dated as of April 13, 2010 (the “Second Supplemental Indenture”), providing for the issuance of $10,609,000 in aggregate principal amount of Additional Notes on April 13, 2010 (the“First April Additional Notes”), a Third Supplemental Indenture, dated as of April 14, 2010 (the “Third Supplemental Indenture”), providing for the issuance of $55,041,000 in aggregate principal amount of AdditionalNotes on April 14, 2010 (the “Second April Additional Notes”) and an unlimited aggregate principal amount of Additional Notes subsequent to the Issue Date; 

WHEREAS, on January 12, 2010, the Company issued and sold the Initial Notes; 

WHEREAS, the Company desires to issue $6,444,000 aggregate principal amount of Additional Notes on the date hereof (the “NewAdditional Notes”); 

WHEREAS, Section 2.01(d) of the Indenture provides for the issuance from time to time ofAdditional Notes by the Issuer, which Additional Notes shall be consolidated with and form a single class with the Initial Notes, the March Additional Notes, the First April Additional Notes and the Second April Additional Notes; 

WHEREAS, Section 9.01(9) of the Indenture provides that the Issuer, the Guarantors and the Trustee may amend or supplement theIndenture at any time after the Issue Date without the consent of any Holder to provide for the issuance of Additional Notes; 

WHEREAS, all conditions necessary to authorize the execution and delivery of this Supplemental Indenture and to make this SupplementalIndenture valid and binding have been complied with or have been done or performed; and 

WHEREAS, pursuant toSection 9.01 of the Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture. 

NOW THEREFORE, in consideration of the foregoing and for other good and valuableconsideration, the receipt of which is hereby acknowledged, the parties mutually covenant and agree for the equal and ratable benefit of the Holders of the New Additional Notes as follows: 

1. CAPITALIZED TERMS. Capitalized terms used herein without definition shall have the meanings assigned tothem in the Indenture. 

2. NEW ADDITIONAL NOTES. Pursuant to this SupplementalIndenture, the New Additional Notes are hereby designated as “Additional Notes” under the Indenture, and are being originally issued by the Issuer on the date hereof in an aggregate principal amount of $6,444,000, which shall increase theaggregate principal amount of, and shall be consolidated and form a single series with the Initial Notes, the March Additional Notes, the First April Additional Notes and the Second April Additional Notes. The New Additional Notes issued hereundershall be treated as a single class with the Initial Notes, the March Additional Notes, the First April Additional Notes and the Second April Additional Notes for all purposes under the Indenture, including, without limitation, for purposes ofwaivers, amendments, redemptions and offers to purchase. Unless the context requires otherwise, references to “Notes” for all purposes under the Indenture, as supplemented by this Supplemental Indenture, shall include the New AdditionalNotes. The New Additional Notes shall be issued in global form in minimum denominations of $2,000 and integral multiples of $1,000 in excess thereof in substantially the form of Exhibit A hereto. The terms and provisions of the New AdditionalNotes set forth in Exhibit A hereto shall constitute and are expressly made a part of this Supplemental Indenture. 

3.GUARANTEES. The Guarantors hereby confirm, jointly and severally, that their respective Guarantees as Guarantors under the Indenture shall apply to the obligations of the Issuer under the New Additional Notes as set forth in Article11 of the Indenture. 

4. GOVERNING LAW. THIS SUPPLEMENTALINDENTURESHALLBEGOVERNEDBY, ANDCONSTRUEDINACCORDANCEWITH, THELAWSOFTHE STATEOF NEW YORK. 

5. RATIFICATION, CONFIRMATIONAND PRESERVATIONOFINDENTURE. Except as expressly supplemented hereby, the Indenture continues in full force and effect and is in all respects confirmed, ratified and preserved and the provisions thereof shall be applicable to the New Additional Notesand this Supplemental Indenture. Upon the execution and delivery of this Supplemental Indenture by the Issuer, the Guarantors and the Trustee, this Supplemental Indenture shall form a part of the Indenture for all purposes, and the Issuer, theGuarantors, the Trustee and every Holder of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. Any and all references to the “Indenture,” whether within the Indenture or in any notice, certificate or otherinstrument or document, shall be deemed to include a reference to this Supplemental Indenture (whether or not made), unless the context shall otherwise require. 

6. INDENTUREAND SUPPLEMENTAL INDENTURE CONSTRUEDTOGETHER. This Supplemental Indenture is an indenture supplemental to the Indenture, and the Indenture and this Supplemental Indenture shall henceforth be read and construed together for all purposes. 

7. BENEFITSOF SUPPLEMENTAL INDENTURE. Nothing in this SupplementalIndenture, express or implied, shall give to any Person other than the parties hereto and their successors hereunder, and the Holders of the New Additional Notes, any benefit of any legal or equitable right, remedy or claim under the Indenture, thisSupplemental Indenture or the New Additional Notes. 

 

-2- 

8. CONFLICTWITH TRUST INDENTUREACT. If any provision of this Supplemental Indenture limits, qualifies or conflicts with any provision of the Trust Indenture Act that is required under the Trust Indenture Act to be part of and govern any provision of thisSupplemental Indenture, the provision of the Trust Indenture Act shall control. If any provision of this Supplemental Indenture modifies or excludes any provision of the Trust Indenture Act that may be so modified or excluded, the provision of theTrust Indenture Act shall be deemed to apply to the Indenture as so modified or to be excluded by this Supplemental Indenture, as the case may be. 

9. SUCCESSORS. All agreements of the Issuer in this Supplemental Indenture shall bind its successors. All agreements ofthe Trustee in this Supplemental Indenture shall bind its successors. All agreements of each Guarantor in this Supplemental Indenture shall bind its successors, except as otherwise provided in Section 11.06 of the Indenture. 

10. THE TRUSTEE. The Trustee makes no representations as to the validity or sufficiency of thisSupplemental Indenture. The statements and recitals herein are deemed to be those of the Issuer and the Guarantors, as applicable, and not of the Trustee. 

11. COUNTERPARTS. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be anoriginal, but all of them together represent the same agreement. 

12. HEADINGS, ETC. Theheadings of the Sections of this Supplemental Indenture have been inserted for convenience of reference only, are not to be considered a part of this Supplemental Indenture and shall in no way modify or restrict any of the terms or provisionshereof. 

13. SEVERABILITY. In case any provision in this Supplemental Indenture shall be invalid, illegal orunenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

*[Remainder of Page Left Intentionally Blank]*

 

-3- 

IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be dulyexecuted and attested, all as of the date first above written. 

 
**ENERGY FUTURE HOLDINGS CORP.**By: 
/s/ Anthony R. Horton
 Name: Anthony R. Horton Title: Senior Vice President and Treasurer**ENERGY FUTURE COMPETITIVE HOLDINGS COMPANY**, as Guarantor****By: 
/s/ Anthony R. Horton
 Name: Anthony R. Horton Title: Treasurer**ENERGY FUTURE INTERMEDIATE HOLDING COMPANY LLC,**as Guarantor****By: 
/s/ Anthony R. Horton
 Name: Anthony R. Horton Title: Senior Vice President and Treasurer**THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.,**as Trustee****By: 
/s/ Julie Hoffman-Ramos
 Name: Julie Hoffman-Ramos Title: Senior Associate
[Signature Page toFourth Supplemental Indenture] 

EXHIBIT A 

**[Form of Face of Note]**

[Insert the Global Note Legend, if applicable pursuant to the provisions of the Indenture] 

[Insert the Private Placement Legend, if applicable pursuant to the provisions of the Indenture] 

CUSIP: [            ]* 

ISIN: [            ] 

[144A] [REGULATION S] GLOBAL NOTE 

10.000% Senior Secured Notes due 2020 

No. [    ] 

**ENERGY FUTURE HOLDINGS CORP.**

promises to pay to CEDE & CO. or registered assigns, the principal sum set forth on the Schedule of Exchanges of Interests in the Global Noteattached hereto on January 15, 2020. 

Interest Payment Dates: January 15 and July 15 

Record Dates: January 1 and July 1 

 

 
*Rule 144A Note CUSIP / ISIN: [292680 AG0] / [US292680AG02]   Regulation S Note CUSIP / ISIN: [U29191 AD2] / [USU29191AD22] 
 

A-1 

IN WITNESS HEREOF, the Issuer has caused this instrument to be duly executed. 

Dated:                     ,20    

 
ENERGY FUTURE HOLDINGS CORP.By: 
 
 Name:  Title: 
This is one of the Notes referred to in the within-mentioned Indenture: 

 
THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as TrusteeBy: 
 
 Authorized Signatory
 

A-2 

**[Form of Reverse of Note]**

This Note is one of a duly authorized series of Notes of the Issuer designated as the “10.000% Senior Secured Notes due 2020”(the “Notes”), originally issued in an aggregate principal amount of $500,000,000 on January 12, 2010, and, as a result of the further issuance of $34,000,000 aggregate principal amount of Notes on March 16, 2010, a further issuanceof $10,609,000 aggregate principal amount of Notes on April 13, 2010, a further issuance of $55,041,000 aggregate principal amount of Notes on April 14, 2010 and a further issuance of $6,444,000 aggregate principal amount of Notes on May 21, 2010,now issued in an aggregate principal amount of $606,094,000, under the Indenture referred to below. 

Capitalized terms usedherein shall have the meanings assigned to them in the Indenture referred to below unless otherwise indicated. 

(1)*INTEREST*. Energy Future Holdings Corp., a Texas corporation (the “Issuer”), promises to pay interest on the principal amount of this Note at 10.000% perannum fromJanuary 12, 2010 until maturity and shall pay Additional Interest, if any, payable pursuant to the Registration Rights Agreement referred to below. The Issuer will pay interest and Additional Interest, if any, semi-annually in arrears onJanuary 15 and July 15 of each year, or if any such day is not a Business Day, on the next succeeding Business Day (each, an “Interest Payment Date”) without interest accruing on the amount then so payable from such daythat is not a Business Day until such Business Day. Interest on the Notes will accrue from the most recent date to which interest has been paid or, if no interest has been paid, from and including January 12, 2010. The Issuer will pay interest(including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium, if any, from time to time on demand at the interest rate on the Notes; it shall pay interest (including post-petition interest in anyproceeding under any Bankruptcy Law) on overdue installments of interest and Additional Interest, if any (without regard to any applicable grace periods) from time to time on demand at the interest rate on the Notes. Interest will be computed on thebasis of a 360-day year comprised of twelve 30-day months. 

(2) *METHODOFPAYMENT*. The Issuer will pay interest on the Notes and Additional Interest, if any, to the Persons who are registered Holders of Notes at the close of business on the January 1 or July 1 (whether or not aBusiness Day), as the case may be, next preceding the Interest Payment Date, even if such Notes are canceled after such Record Date and on or before such Interest Payment Date, except as provided in Section 2.12 of the Indenture with respect todefaulted interest. Payment of interest and Additional Interest, if any, may be made by check mailed to the Holders at their addresses set forth in the register of Holders; provided that payment by wire transfer of immediately available fundswill be required with respect to principal, premium, if any, and interest and Additional Interest, if any, on, all Global Notes and all other Notes the Holders of which shall have provided wire transfer instructions to the Issuer or the PayingAgent. Such payment shall be in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. 

(3) *PAYING AGENTAND REGISTRAR*. Initially, The Bank ofNew York Mellon Trust Company, N.A., the Trustee under the Indenture, will act as Paying Agent and Registrar. The Issuer may change any Paying Agent or Registrar without notice to the Holders. The Issuer or any of its Subsidiaries may act in anysuch capacity. 

(4) *INDENTURE*. The Issuer issued the Notes under an Indenture, dated asof January 12, 2010 (the “Original Indenture”), as supplemented by the First Supplemental Indenture, dated as of March 16, 2010, the Second Supplemental Indenture, dated as of April 13, 2010, the Third Supplemental Indenture, datedas of April 14, 2010, and the Fourth Supplemental Indenture, dated as of May 21, 2010 (together with the Original Indenture as it may be amended or supplemented from time to time in 

 

A-3 

accordance with its terms, the “Indenture”), among the Issuer, the Guarantors named therein and the Trustee. The Issuer shall be entitled to issue Additional Notes pursuant toSections 2.01, 4.09 and 4.12 of the Indenture. The terms of the Notes include those stated in the Indenture and those made part of the Indenture by reference to the Trust Indenture Act of 1939, as amended (the “Trust IndentureAct”). The Notes are subject to all such terms, and Holders are referred to the Indenture and such Act for a statement of such terms. To the extent any provision of this Note conflicts with the express provisions of the Indenture, theprovisions of the Indenture shall govern and be controlling. 

(5) *OPTIONALREDEMPTION*. 

(a) Except as set forth below, the Issuer will not be entitled to redeem Notesat its option prior to January 15, 2015. 

(b) At any time prior to January 15, 2015, the Issuer may redeem all or apart of the Notes, upon not less than 30 nor more than 60 days’ prior notice mailed by first class mail to the registered address of each Holder of Notes or otherwise in accordance with procedures of DTC, at a redemption price equal to 100% ofthe principal amount of the Notes redeemed plus the Applicable Premium, plus accrued and unpaid interest, and Additional Interest, if any, to the date of redemption (the “Redemption Date”), subject to the right ofHolders of Notes of record on the relevant Record Date to receive interest due on the relevant Interest Payment Date. 

(c)From and after January 15, 2015, the Issuer may redeem the Notes, in whole or in part, upon not less than 30 nor more than 60 days’ prior notice mailed by first class mail to the registered address of each Holder of Notes or otherwise inaccordance with the procedures of DTC, at the redemption prices (expressed as percentages of principal amount of the Notes to be redeemed) set forth below, plus accrued and unpaid interest and Additional Interest, if any, to the applicableRedemption Date, subject to the right of Holders of Notes of record on the relevant Record Date to receive interest due on the relevant Interest Payment Date, if redeemed during the twelve-month period beginning on January 15 of each of theyears indicated below: 

 

**Year**
  **Percentage** 
2015
  105.000% 
2016
  103.333% 
2017
  101.667% 
2018 and thereafter
  100.000% 
(d) Prior toJanuary 15, 2013, the Issuer may, at its option, on one or more occasions, redeem up to 35% of the aggregate principal amount of all Notes at a redemption price equal to 110.000% of the aggregate principal amount thereof, plus accrued andunpaid interest and Additional Interest, if any, to the Redemption Date, subject to the right of Holders of Notes of record on the relevant Record Date to receive interest due on the relevant Interest Payment Date, with the net cash proceeds of oneor more Equity Offerings; provided that at least 50% of the sum of the original aggregate principal amount of Initial Notes and any Additional Notes issued under the Indenture after the Issue Date remains outstanding immediately after theoccurrence of each such redemption; providedfurther that each such redemption occurs within 90 days of the date of closing of each such Equity Offering. Notice of any redemption upon any Equity Offerings may be given prior to theredemption thereof, and any such redemption or notice may, at the Issuer’s discretion, be subject to one or more conditions precedent, including, but not limited to, completion of the related Equity Offering. 

 

A-4 

(e) If the Issuer redeems less than all of the outstanding Notes, the Trustee shall selectthe Notes to be redeemed in the manner described under Section 3.02 of the Indenture. 

(f) Any redemption pursuant tothis paragraph (5) shall be made pursuant to the provisions of Sections 3.01 through 3.06 of the Indenture. 

(6)*MANDATORY REDEMPTION*. The Issuer shall not be required to make mandatory redemption or sinking fund payments with respect to the Notes. 

(7) *NOTICEOF REDEMPTION*. Subject to Section 3.03 of theIndenture, notice of redemption will be mailed by first-class mail at least 30 days but not more than 60 days before the Redemption Date (except that redemption notices may be mailed more than 60 days prior to a Redemption Date if the notice isissued in connection with Article 8 or Article 12 of the Indenture) to each Holder whose Notes are to be redeemed at its registered address or otherwise in accordance with the procedures of DTC. Notes in denominations larger than $2,000 may beredeemed in part but only in whole multiples of $1,000 in excess thereof, unless all of the Notes held by a Holder are to be redeemed. On and after the Redemption Date interest ceases to accrue on Notes or portions thereof called for redemption.

(8) *OFFERSTO REPURCHASE*. 

(a) If a Change of Control occurs, the Issuer shall make an offer (a “Change of Control Offer”) to each Holder topurchase all or any part (equal to $2,000 or an integral multiple of $1,000 in excess thereof) of each Holder’s Notes at a purchase price equal to 101% of the aggregate principal amount thereof plus accrued and unpaid interest andAdditional Interest, if any, to the date of purchase (the “Change of Control Payment”), subject to the right of Holders of Notes of record on the relevant Record Date to receive interest due on the relevant Interest Payment Date.The Change of Control Offer shall be made in accordance with Section 4.14 of the Indenture. 

(b) If the Issuer or any ofits Restricted Subsidiaries consummates an Asset Sale (other than an Asset Sale of Collateral or other Oncor-related Assets), within 10 Business Days of each date that the aggregate amount of Excess Proceeds exceeds $200.0 million, the Issuer and/orany of its Restricted Subsidiaries shall make an offer to all Holders of the Notes, and if required or permitted by the terms of any Senior Indebtedness, to the holders of such Senior Indebtedness (an “Asset Sale Offer”), topurchase the maximum aggregate principal amount of the Notes and such Senior Indebtedness that is a minimum of $2,000 or an integral multiple of $1,000 in excess thereof that may be purchased out of the Excess Proceeds at an offer price in cash inan amount equal to 100% of the principal amount thereof, plus accrued and unpaid interest and Additional Interest, if any, to the date fixed for the closing of such offer, in accordance with the procedures set forth in the Indenture. To theextent that the aggregate amount of Notes, and such Senior Indebtedness tendered pursuant to an Asset Sale Offer is less than the Excess Proceeds, the Issuer and/or any of its Restricted Subsidiaries may use any remaining Excess Proceeds for generalcorporate purposes, subject to other covenants contained in the Indenture. If the aggregate principal amount of Notes or such Senior Indebtedness surrendered by such holders thereof exceeds the amount of Excess Proceeds, the Notes and such SeniorIndebtedness will be purchased on a prorata basis based on the accreted value or principal amount of the Notes or such Senior Indebtedness tendered. 

(c) The Issuer and/or any of its Restricted Subsidiaries may, at its/their option, make an Asset Sale Offer using proceeds from any AssetSale at any time after consummation of such Asset Sale (other than an Asset Sale of Collateral or other Oncor-related Assets); provided that such Asset Sale Offer shall be in an aggregate amount of not less than $25.0 million. Uponconsummation of such Asset Sale Offer, any Net Proceeds not required to be used to purchase Notes shall not be deemed Excess Proceeds. 

 

A-5 

(d) If the Issuer or any of its Restricted Subsidiaries consummates an Asset Sale ofCollateral or other Oncor-related Assets, within 10 Business Days of each date that the aggregate amount of Collateral Excess Proceeds exceeds $200.0 million, the Issuer and/or any of its Restricted Subsidiaries shall make an offer to all Holders ofthe Notes and, if required or permitted by the terms of any Parity Lien Debt, to the holders of such Parity Lien Debt (a “Collateral Asset Sale Offer”), to purchase the maximum aggregate principal amount of the Notes and such ParityLien Debt that is a minimum of $2,000 or an integral multiple of $1,000 in excess thereof that may be purchased out of the Collateral Excess Proceeds at an offer price in cash in an amount equal to 100% of the principal amount thereof, plusaccrued and unpaid interest and Additional Interest, if any, to the date fixed for the closing of such offer, in accordance with the procedures set forth in the Indenture. To the extent that the aggregate amount of Notes and such Parity Lien Debttendered pursuant to a Collateral Asset Sale Offer is less than the Collateral Excess Proceeds, the Issuer and/or any of its Restricted Subsidiaries may use any remaining Collateral Excess Proceeds for general corporate purposes, subject to othercovenants contained in the Indenture and the terms of such Parity Lien Debt. If the aggregate principal amount of Notes or the Parity Lien Debt surrendered by such holders thereof exceeds the amount of Collateral Excess Proceeds, the Notes and suchParity Lien Debt will be purchased on a prorata basis based on the accreted value or principal amount of the Notes or such Parity Lien Debt tendered. 

(e) The Issuer and/or any of its Restricted Subsidiaries may, at its/their option, make a Collateral Asset Sale Offer using proceeds fromany Asset Sale of Collateral or other Oncor-related Assets at any time after consummation of such Asset Sale; *provided*that such Collateral Asset Sale Offer shall be in an aggregate amount of not less than $25.0 million. Uponconsummation of such Collateral Asset Sale Offer, any Net Proceeds not required to be used to purchase Notes shall not be deemed Collateral Excess Proceeds and the Issuer and its Restricted Subsidiaries may use any remaining Net Proceeds for generalcorporate purposes, subject to the other covenants contained in the Indenture. 

(9) *DENOMINATIONS,TRANSFER, EXCHANGE*. The Notes are in registered form without coupons in denominations of $2,000 and integral multiples of $1,000 in excess thereof. The transfer of Notes may be registered and Notesmay be exchanged as provided in the Indenture. The Registrar and the Trustee may require a Holder, among other things, to furnish appropriate endorsements and transfer documents and the Issuer may require a Holder to pay any taxes and fees requiredby law or permitted by the Indenture. The Issuer need not exchange or register the transfer of any Notes or portion of Notes selected for redemption, except for the unredeemed portion of any Notes being redeemed in part. Also, the Issuer need notexchange or register the transfer of any Notes for a period of 15 days before a selection of Notes to be redeemed. 

(10)*PERSONS DEEMED OWNERS*. The registered Holder of a Note may be treated as its owner for all purposes. 

(11) *AMENDMENT, SUPPLEMENTAND WAIVER*. The Indenture,the Guarantees or the Notes may be amended or supplemented as provided in the Indenture. 

(12) *DEFAULTSAND REMEDIES*. The Events of Default relating to the Notes are defined in Section 6.01 of the Indenture. If any Event of Default occurs and is continuing, the Trustee or the Holders of at least30% in aggregate principal amount of the then outstanding Notes may declare the principal, premium, if any, interest and any other monetary obligations on all the then outstanding Notes to be due and payable immediately. Notwithstanding theforegoing, in the case of an Event of Default arising from certain events of bankruptcy or insolvency, all outstanding Notes will become due and payable immediately without further action or notice. Holders may not enforce the Indenture, the Notesor the Guarantees except as provided in the Indenture. Subject to certain limitations, Holders of a majority in aggregate principal amount of the then outstanding Notes may direct the Trustee in its

 

A-6 

exercise of any trust or power. The Trustee may withhold from Holders of the Notes notice of any continuing Default (except a Default relating to the payment of principal, premium, if any,interest or Additional Interest, if any) if it determines that withholding notice is in their interest. The Holders of a majority in aggregate principal amount of the then outstanding Notes by notice to the Trustee may on behalf of the Holders ofall of the Notes waive any existing Default or and its consequences under the Indenture except a continuing Default in payment of the principal, premium, if any, interest or Additional Interest, if any, on, any of the Notes held by a non-consentingHolder. The Issuer and each Guarantor (to the extent that such Guarantor is so required under the Trust Indenture Act) is required to deliver to the Trustee annually a statement regarding compliance with the Indenture, and the Issuer is requiredwithin five Business Days after becoming aware of any Default, to deliver to the Trustee a statement specifying such Default and what action the Issuer proposes to take with respect thereto. 

(13) *AUTHENTICATION*. This Note shall not be entitled to any benefit under the Indenture or be validor obligatory for any purpose until authenticated by the manual signature of the Trustee. 

(14) *ADDITIONALRIGHTSOF HOLDERSOF RESTRICTED GLOBAL NOTESAND RESTRICTED DEFINITIVENOTES*. In addition to the rights provided to Holders of Notes under the Indenture, Holders of Restricted Global Notes and Restricted Definitive Notes shall have all the rights set forth in the registration rightsletter agreement, dated as of May 20, 2010, among the Issuer, the Guarantors named therein and the other parties named on the signature pages thereof (the “Registration Rights Agreement”), including the right to receive AdditionalInterest, if any (as defined in the Registration Rights Agreement). 

(15) *GOVERNING LAW*. THE INDENTURE, THE NOTES ANDTHE GUARANTEES SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. 

(16)*CUSIP/ISIN**NUMBERS*. Pursuant to a recommendation promulgated by the Committee on Uniform Security Identification Procedures, the Issuer has caused CUSIP/ISIN numbers to be printed on the Notes and theTrustee may use CUSIP/ISIN numbers in notices of redemption as a convenience to Holders. No representation is made as to the accuracy of such numbers either as printed on the Notes or as contained in any notice of redemption and reliance may beplaced only on the other identification numbers placed thereon. 

The Issuer will furnish to any Holder upon written requestand without charge a copy of the Indenture, the Registration Rights Agreement and/or the Security Documents. Requests may be made to the Issuer at the following address: 

Energy Future Holdings Corp. 

Energy Plaza 

1601 Bryan Street 

Dallas, Texas 75201-3411 

Facsimile No.: (214) 812-6032 

Attention: General Counsel 

And 

FacsimileNo.: (214) 812-4097 

Attention: Treasurer 

 

A-7 

**ASSIGNMENT FORM**

To assign this Note, fill in the form below:

(I) or (we) assign and transfer this Note to:                                                                                                                                              

(Insertassignee’s legal name)         

 

 

(Insert assignee’s Soc. Sec.or tax I.D. no.) 

 

 

 

 

 

 

 

 

(Print or type assignee’s name,address and zip code) 

and irrevocably appoint                                                                                                                                                                                

to transfer this Note on the books of the Issuer. The agent maysubstitute another to act for him. 

 
Date:                          Your Signature 
 
   (Sign exactly as your name appears on the face of this Note)
SignatureGuarantee*:                                                            

 
*Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 
 

A-8 

**OPTION OF HOLDER TO ELECT PURCHASE**

If you want to elect to have this Note purchased by the Issuer pursuant to Section 4.10(d), 4.10(h) or 4.14 of the Indenture, checkthe appropriate box below: 

 

 ̈  Section 4.10(d)
  ̈  Section 4.10(h)  ̈  Section 4.14
If you want to elect to have only part of this Note purchased by the Issuer pursuant to Section 4.10(d), 4.10(h) orSection 4.14 of the Indenture, state the amount you elect to have purchased: 

 
$                     Date:                       Your Signature: 
 
  (Sign exactly as your name appears on the face of this Note)  Tax Identification No.:                                                                        
SignatureGuarantee*:                                                             

 
*Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to the Trustee). 
 

A-9 

**SCHEDULE OF EXCHANGES OF INTERESTS IN THE GLOBAL NOTE**

The initial outstanding principal amount of this Global Note is $6,444,000. The following exchanges of a part of this Global Note for aninterest in another Global Note or for a Definitive Note, or exchanges of a part of another Global or Definitive Note for an interest in this Global Note, have been made: 

 

**Date of Exchange**
 
**Amount of**

**decrease in**

**Principal Amount**
 
**Amount of increase**

**in Principal**

**Amount of this**

**Global Note**
 
**Principal Amount**

**of this Global**

**Note following**

**each decrease or**

**increase**
 
**Signature of**

**authorized officer**

**of Trustee or**

**Custodian**
    
 

A-10