Exhibit 4.1

INDENTURE

Dated as of September 15, 2010

Between

EXCO RESOURCES, INC.,

as Issuer

and

WILMINGTON TRUST COMPANY,

as Trustee

NOTE: This reconciliation and tie shall not, for any purpose, be deemed to be a part of this Indenture.

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TABLE OF CONTENTS

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INDENTURE, dated as of September 15, 2010, between EXCO RESOURCES, INC., a corporation duly organized and existing under the laws of the State of Texas (herein called the “ Company ”), and WILMINGTON TRUST COMPANY, a Delaware banking corporation, as Trustee (herein called the “ Trustee ”).

RECITALS OF THE COMPANY

The Company has duly authorized the execution and delivery of this Indenture to provide for the issuance from time to time of its senior unsecured debt securities (herein called the “ Securities ”), to be issued in one or more series as in this Indenture provided.

All things necessary to make this Indenture a valid agreement of the Company, in accordance with its terms, have been done.

NOW, THEREFORE, THIS INDENTURE WITNESSETH:

For and in consideration of the premises and the purchase of the Securities by the Holders thereof, it is mutually agreed, for the equal and proportionate benefit of all Holders of the Securities or of any series thereof, as follows:

ARTICLE I

DEFINITIONS AND OTHER PROVISIONS

OF GENERAL APPLICATION

Section 101. Definitions .

For all purposes of this Indenture, except as otherwise expressly provided or unless the context otherwise requires:

“ Act ,” when used with respect to any Holder, has the meaning specified in Section 104.

“ Affiliate ” means, with respect to any specified Person, any other Person, directly or indirectly, controlling or controlled by or under direct or indirect common control with such specified Person. For the purposes of this definition, “control” when used with respect to any specified Person means the power to direct the management and policies of such Person, directly or indirectly, whether through the ownership of voting securities, by contract or otherwise; and the terms “controlling” and “controlled” have meanings correlative to the foregoing.

“ Applicable Procedures ” means, with respect to a Depositary, as to any matter at any time, the policies and procedures of such Depositary, if any, that are applicable to such matter at such time.

“ Board of Directors ” means the Board of Directors of the Company or any committee thereof duly authorized to act on behalf of such Board.

“ Board Resolution ” means a copy of one or more resolutions certified by the Secretary or an Assistant Secretary of the Company to have been duly adopted by the Board of Directors and to be in full force and effect on the date of such certification and delivered to the Trustee.

“ Business Day ” means each day that is not a Legal Holiday.

“ Capital Stock ” of any Person means any and all shares, interests (including partnership interests), rights to purchase, warrants, options, participations or other equivalents of or interests in (however designated) equity of such Person, including any preferred stock, but excluding any debt securities convertible into such equity.

“ Company ” means the Person named as the “Company” in the first paragraph of this Indenture until a successor Person shall have become such pursuant to the applicable provisions of this Indenture, and thereafter “Company” shall mean such successor Person.

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“ Company Request ” or “ Company Order ” means a written request or order signed in the name of the Company by an Officer of the Company (or any Person designated in writing as authorized to execute and deliver Company Requests and Company Orders), and delivered to the Trustee.

“ Corporate Trust Office ” means the principal office of the Trustee at which, at any particular time, its corporate trust business shall be conducted (which office is located as of the date of this Indenture at Wilmington Trust Company, 1100 North Market Street, Wilmington, Delaware 19890, Attention: Corporate Capital Market Services, or at any other time at such other address as the Trustee may designate from time to time by notice to the Holders).

“ Covenant Defeasance ” has the meaning specified in Section 1303.

“ Default ” means any event which is, or after notice or passage of time or both would be, an Event of Default.

“ Defaulted Interest ” has the meaning specified in Section 307.

“ Defeasance ” has the meaning specified in Section 1302.

“ Depositary ” means, with respect to Securities of any series issuable in whole or in part in the form of one or more Global Securities, a clearing agency registered under the Exchange Act that is designated to act as Depositary for such Securities as contemplated by Section 301.

“ Event of Default ” has the meaning specified in Section 501.

“ Exchange Act ” means the U.S. Securities Exchange Act of 1934, as amended.

“ GAAP ” means generally accepted accounting principles in the United States as in effect from time to time.

“ Global Security ” means a Security that evidences all or part of the Securities of any series and bears the legend set forth in Section 202 (or such legend as may be specified as contemplated by Section 301 for such Securities).

“ Holder ” or “ Securityholder ” means the Person in whose name a Security is registered on the Registrar’s books.

“ Indenture ” means this instrument as originally executed and as it may from time to time be supplemented or amended by one or more indentures supplemental hereto entered into pursuant to the applicable provisions hereof, including, for all purposes of this instrument and any such supplemental indenture, the provisions of the Trust Indenture Act that are deemed to be a part of and govern this instrument and any such supplemental indenture, respectively. The term “Indenture” shall also include the terms of particular series of Securities established as contemplated by Section 301.

“ interest ” means, when used with respect to an Original Issue Discount Security which by its terms bears interest only after Maturity, interest payable after Maturity.

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“ Interest Payment Date ” means, when used with respect to any Security, the Stated Maturity of an installment of interest on such Security.

“ Internal Revenue Code ” means the U.S. Internal Revenue Code of 1986, as amended from time to time.

“ Legal Holiday ” means a Saturday, a Sunday or a day on which banking institutions are not required to be open in the State of New York.

“ Maturity ” means, when used with respect to any Security, the date on which the principal of such Security or an installment of principal becomes due and payable as therein or herein provided, whether at the Stated Maturity or by declaration of acceleration, call for redemption or otherwise.

“ Notice of Default ” means a written notice of the kind specified in Section 501.

“ Officer ” means the Chairman of the Board, any Vice Chairman, the Chief Executive Officer, the Chief Operating Officer, the President, any Vice President, the Treasurer, any Assistant Treasurer, the Chief Financial Officer, the Chief Accounting Officer, the General Counsel, the Secretary or any Assistant Secretary of the Company.

“ Officer’s Certificate ” means a certificate signed by an Officer of the Company.

“ Opinion of Counsel ” means a written opinion of counsel (who may be counsel for the Company) and who shall be reasonably acceptable to the Trustee. The counsel may be an employee of the Company. Opinions of Counsel required to be delivered under this Indenture may have qualifications customary for opinions of the type required and counsel delivering such Opinions of Counsel may rely as to factual matters on certificates of the Company or governmental or other officials customary for opinions of the type required.

“ Original Issue Discount Security ” means any Security which provides for an amount less than the principal amount thereof to be due and payable upon a declaration of acceleration of the Maturity thereof pursuant to Section 502.

“ Outstanding ” means, when used with respect to Securities, as of the date of determination, all Securities theretofore authenticated and delivered under this Indenture, except:

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provided , however , that in determining whether the Holders of the requisite principal amount of the Outstanding Securities have given, made or taken any request, demand, authorization, direction, notice, consent, waiver or other action hereunder as of any date, (A) the principal amount of an Original Issue Discount Security which shall be deemed to be Outstanding shall be the amount of the principal thereof which would be due and payable as of such date upon acceleration of the Maturity thereof to such date pursuant to Section 502, (B) if, as of such date, the principal amount payable at the Stated Maturity of a Security is not determinable, the principal amount of such Security which shall be deemed to be Outstanding shall be the amount as specified or determined as contemplated by Section 301, (C) the principal amount of a Security denominated in one or more foreign currencies, composite currencies or currency units which shall be deemed to be Outstanding shall be the U.S. dollar equivalent, determined as of such date in the manner provided as contemplated by Section 301, of the principal amount of such Security (or, in the case of a Security described in clause (A) or (B) above, of the amount determined as provided in such clause), and (D) Securities owned by the Company or any other obligor upon the Securities or any Affiliate of the Company or of such other obligor shall be disregarded and deemed not to be Outstanding, except that, in determining whether the Trustee shall be protected in relying upon any such request, demand, authorization, direction, notice, consent, waiver or other action, only Securities which a Responsible Officer of the Trustee knows to be so owned shall be so disregarded. Securities so owned which have been pledged in good faith may be regarded as Outstanding if the pledgee establishes to the satisfaction of the Trustee the pledgee’s right so to act with respect to such Securities and that the pledgee is not the Company or any other obligor upon the Securities or any Affiliate of the Company or of such other obligor.

“ Paying Agent ” means any Person authorized by the Company to pay the principal of or premium, if any, or interest on any Securities on behalf of the Company.

“ Person ” means any individual, corporation, partnership, limited liability company, joint venture, association, joint-stock company, trust, unincorporated organization, government or any agency or political subdivision thereof or any other entity.

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“ Place of Payment ” means, when used with respect to the Securities of any series, the place or places where the principal of and premium, if any, and interest on the Securities of such series are payable as specified as contemplated by Section 301.

“ Predecessor Security ” means, with respect to any particular Security, every previous Security evidencing all or a portion of the same debt as that evidenced by such particular Security; and, for the purposes of this definition, any Security authenticated and delivered under Section 306 in exchange for or in lieu of a mutilated, destroyed, lost or stolen Security shall be deemed to evidence the same debt as the mutilated, destroyed, lost or stolen Security.

“ Redemption Date ” means, when used with respect to any Security to be redeemed, the date fixed for such redemption by or pursuant to this Indenture.

“ Redemption Price ” means, when used with respect to any Security to be redeemed, the price at which it is to be redeemed pursuant to this Indenture.

“ Regular Record Date ” means, for the interest payable on any Interest Payment Date on the Securities of any series, the date specified for that purpose as contemplated by Section 301.

“ Repayment Date ” means, with used with respect to a Security to be repaid at the option of a Holder, the date fixed for such repayment by or pursuant to this Indenture.

“ Responsible Officer ” means, when used with respect to the Trustee, any vice president, any assistant vice president, any assistant secretary, any assistant treasurer, any trust officer, or any other officer associated with the corporate capital markets services or the corporate trust department of the Trustee customarily performing functions similar to those performed by any of the above designated officers and also means, with respect to a particular corporate trust matter, any other officer to whom such matter is referred because of such person’s knowledge of and familiarity with the particular subject.

“ SEC ” means the U.S. Securities and Exchange Commission.

“ Securities ” has the meaning specified in the first recital of this Indenture and more particularly means any Securities authenticated and delivered under this Indenture.

“ Securities Act ” means the U.S. Securities Act of 1933, as amended.

“ Security Register ” and “ Security Registrar ” have the respective meanings specified in Section 305.

“ Special Record Date ” means, for the payment of any Defaulted Interest, a date fixed by the Trustee pursuant to Section 307.

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“ Stated Maturity ” means, when used with respect to any Security or any installment of principal thereof or interest thereon, the date specified in such Security as the fixed date on which the principal of such Security or such installment of principal or interest is due and payable.

“ Subsidiary ” means, with respect to any Person, any corporation, association, partnership or other business entity of which more than 50% of the total voting power of shares of Voting Stock is at the time owned or controlled, directly or indirectly, by:

“ Successor ” has the meaning specified in Section 801.

“ Trust Indenture Act ” means the Trust Indenture Act of 1939 (15 U.S.C. §§ 77aaa-77bbbb) as in effect on the Issue Date.

“ Trustee ” means Wilmington Trust Company, a Delaware banking corporation, until a successor replaces it and, thereafter, means the successor.

“ U.S. Government Obligation ” means direct obligations (or certificates representing an ownership interest in such obligations) of the United States of America (including any agency or instrumentality thereof) for the payment of which the full faith and credit of the United States of America is pledged and which are not callable at the issuer’s option.

“ U.S. Government Obligation ” has the meaning specified in Section 1304(1).

“ Vice President ” means, when used with respect to the Company or the Trustee, any vice president, whether or not designated by a number or a word or words added before or after the title “vice president.”

“ Voting Stock ” of a Person means all classes of Capital Stock of such Person then outstanding and normally entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers or trustees thereof.

Section 102. Compliance Certificates and Opinions .

Upon any application or request by the Company to the Trustee to take any action under any provision of this Indenture, the Company shall furnish to the Trustee, if requested by the Trustee, an Officer’s Certificate stating that all conditions precedent, if any, provided for in this Indenture relating to the proposed action have been complied with and an Opinion of Counsel stating that in the opinion of such counsel all such conditions precedent, if any, have been complied with, except that in the case of any such application or request as to which the furnishing of such documents is specifically required by any provision of this Indenture relating

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to such particular application or request, no additional certificate or opinion need be furnished by the Company.

Every certificate or opinion with respect to compliance with a condition or covenant provided for in this Indenture (except for certificates provided for in Section 1004) shall include:

Section 103. Form of Documents Delivered to Trustee .

In any case where several matters are required to be certified by, or covered by an opinion of, any specified Person, it is not necessary that all such matters be certified by, or covered by the opinion of, only one such Person, or that they be so certified or covered by only one document, but one such Person may certify or give an opinion with respect to some matters and one or more other such Persons as to other matters, and any such Person may certify or give an opinion as to such matters in one or several documents.

Any certificate or opinion of an Officer of the Company may be based, insofar as it relates to legal matters, upon a certificate or opinion of, or representations by, counsel, unless such Officer knows, or in the exercise of reasonable care should know, that the certificate or opinion or representations with respect to the matters upon which such Officer’s certificate or opinion is based are erroneous. Any such certificate or Opinion of Counsel may be based, insofar as it relates to factual matters, upon a certificate or opinion of, or representations by, an Officer or Officers of the Company stating that the information with respect to such factual matters is in the possession of the Company, unless such counsel knows, or in the exercise of reasonable care should know, that the certificate or opinion or representations with respect to such matters are erroneous.

Where any Person is required to make, give or execute two or more applications, requests, consents, certificates, statements, opinions or other instruments under this Indenture, they may, but need not, be consolidated and form one instrument.

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Section 104. Acts of Holders; Record Dates .

Any request, demand, authorization, direction, notice, consent, waiver or other action provided or permitted by this Indenture to be given, made or taken by Holders may be embodied in and evidenced by one or more instruments of substantially similar tenor signed by such Holders in person or by an agent duly appointed in writing; and, except as herein otherwise expressly provided, such action shall become effective when such instrument or instruments are delivered to the Trustee and, where it is hereby expressly required, to the Company. Such instrument or instruments (and the action embodied therein and evidenced thereby) are herein sometimes referred to as the “ Act ” of the Holders signing such instrument or instruments. Proof of execution of any such instrument or of a writing appointing any such agent shall be sufficient for any purpose of this Indenture and, subject to Section 601, conclusive in favor of the Trustee and the Company, if made in the manner provided in this Section 104.

The fact and date of the execution by any Person of any such instrument or writing may be proved in any manner which the Trustee reasonably deems sufficient. Where such execution is by a Person acting in a capacity other than such Person’s individual capacity, such certificate or affidavit shall also constitute sufficient proof of such Person’s authority. The fact and date of the execution of any such instrument or writing, or the authority of the Person executing the same, may also be proved in any other manner which the Trustee deems sufficient.

The ownership of Securities shall be proved by the Security Register.

Any request, demand, authorization, direction, notice, consent, waiver or other Act of the Holder of any Security shall bind every future Holder of the same Security and the Holder of every Security issued upon the registration of transfer thereof or in exchange therefor or in lieu thereof in respect of anything done, omitted or suffered to be done by the Trustee or the Company in reliance thereon, whether or not notation of such action is made upon such Security.

The Company may set any day as a record date for the purpose of determining the Holders of Outstanding Securities of any series entitled to give, make or take any request, demand, authorization, direction, notice, consent, waiver or other action provided or permitted by this Indenture to be given, made or taken by Holders of Securities of such series; provided that the Company may not set a record date for, and the provisions of this paragraph shall not apply with respect to, the giving or making of any notice, declaration, request or direction referred to in the next paragraph. If any record date is set pursuant to this paragraph, the Holders of Outstanding Securities of the relevant series on such record date, and no other Holders, shall be entitled to take the relevant action, whether or not such Holders remain Holders after such record date; provided that no such action shall be effective hereunder unless taken on or prior to the applicable Expiration Date by Holders of the requisite principal amount of Outstanding Securities of such series on such record date. Nothing in this paragraph shall be construed to prevent the Company from setting a new record date for any action for which a record date has previously been set pursuant to this paragraph (whereupon the record date previously set shall automatically and with no action by any Person be cancelled and of no effect), and nothing in this paragraph shall be construed to render ineffective any action taken by Holders of the requisite principal amount of Outstanding Securities of the relevant series on the date such action is taken. Promptly after any record date is set pursuant to this paragraph, the Company, at its own

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expense, shall cause notice of such record date, the proposed action by Holders and the applicable Expiration Date to be given to the Trustee in writing and to each Holder of Securities of the relevant series in the manner set forth in Section 106.

The Trustee may set any day as a record date for the purpose of determining the Holders of Outstanding Securities of any series entitled to join in the giving or making of (i) any Notice of Default, (ii) any declaration of acceleration referred to in Section 502, (iii) any request to institute proceedings referred to in Section 507(2) or (iv) any direction referred to in Section 511, in each case with respect to Securities of such series. If any record date is set pursuant to this paragraph, the Holders of Outstanding Securities of such series on such record date, and no other Holders, shall be entitled to join in such notice, declaration, request or direction, whether or not such Holders remain Holders after such record date; provided that no such action shall be effective hereunder unless taken on or prior to the applicable Expiration Date by Holders of the requisite principal amount of Outstanding Securities of such series on such record date. Nothing in this paragraph shall be construed to prevent the Trustee from setting a new record date for any action for which a record date has previously been set pursuant to this paragraph (whereupon the record date previously set shall automatically and with no action by any Person be cancelled and of no effect), and nothing in this paragraph shall be construed to render ineffective any action taken by Holders of the requisite principal amount of Outstanding Securities of the relevant series on the date such action is taken. Promptly after any record date is set pursuant to this paragraph, the Trustee, at the Company’s expense, shall cause notice of such record date, the proposed action by Holders and the applicable Expiration Date to be given to the Company in writing and to each Holder of Securities of the relevant series in the manner set forth in Section 106.

With respect to any record date set pursuant to this Section 104, the party hereto which sets such record dates may designate any day as the “ Expiration Date ” and from time to time may change the Expiration Date to any earlier or later day; provided that no such change shall be effective unless notice of the proposed new Expiration Date is given to the other party hereto in writing, and to each Holder of Securities of the relevant series in the manner set forth in Section 106, on or prior to the existing Expiration Date. If an Expiration Date is not designated with respect to any record date set pursuant to this Section 104, the party hereto which set such record date shall be deemed to have initially designated the 180th day after such record date as the Expiration Date with respect thereto, subject to its right to change the Expiration Date as provided in this paragraph.

Without limiting the foregoing, a Holder entitled hereunder to take any action hereunder with regard to any particular Security may do so with regard to all or any part of the principal amount of such Security or by one or more duly appointed agents each of which may do so pursuant to such appointment with regard to all or any part of such principal amount.

In addition to the foregoing, the Trustee agrees to accept and act upon notice, instructions or directions pursuant to this Indenture sent by unsecured e-mail, facsimile transmission or other similar unsecured electronic methods; provided , however , that (a) the party providing such written instructions, subsequent to such transmission of written instructions, shall provide the originally executed instructions or directions to the Trustee in a timely manner, and (b) such originally executed instructions or directions shall be signed by an authorized representative of

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the party providing such instructions or directions. The Trustee shall not be liable for any losses, costs or expenses arising directly or indirectly from the Trustee’s reasonable reliance upon and compliance with such instructions notwithstanding such instructions conflict or are inconsistent with a subsequent written instruction.

Section 105. Notices, Etc., to Trustee and Company .

Any request, demand, authorization, direction, notice, consent, waiver or Act of Holders or other document provided or permitted by this Indenture to be made upon, given or furnished to, or filed with,

Section 106. Notice to Holders; Waiver .

Where this Indenture provides for notice to Holders of any event, such notice shall be sufficiently given (unless otherwise herein expressly provided) if in writing and mailed, first-class postage prepaid, to each Holder affected by such event, at such Holder’s address as it appears in the Security Register, not later than the latest date, if any, and not earlier than the earliest date, if any, prescribed for the giving of such notice. In any case where notice to Holders is given by mail, neither the failure to mail such notice, nor any defect in any notice so mailed, to any particular Holder shall affect the sufficiency of such notice with respect to other Holders. Where this Indenture provides for notice in any manner, such notice may be waived in writing by the Person entitled to receive such notice, either before or after the event, and such waiver shall be the equivalent of such notice. Waivers of notice by Holders shall be filed with the Trustee, but such filing shall not be a condition precedent to the validity of any action taken in reliance upon such waiver.

In case by reason of the suspension of regular mail service or by reason of any other cause it shall be impracticable to give such notice by mail, then such notification as shall be made with the approval of the Trustee shall constitute a sufficient notification for every purpose hereunder.

Where this Indenture provides for notice of any event to a Holder of a Global Security, such notice shall be sufficiently given if given to the Depositary for such Security (or its

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designee), pursuant to the Applicable Procedures of the Depositary, not later than the latest date, if any, and not earlier than the earliest date, if any, prescribed for the giving of such notice.

Section 107. Conflict with Trust Indenture Act .

If any provision of this Indenture limits, qualifies or conflicts with a provision of the Trust Indenture Act which is required under such Act to be a part of and govern this Indenture, the latter provision shall control. If any provision of this Indenture modifies or excludes any provision of the Trust Indenture Act which may be so modified or excluded, the latter provision shall be deemed to apply to this Indenture as so modified or to be excluded, as the case may be.

Section 108. Effect of Headings and Table of Contents .

The Article and Section headings herein and the Table of Contents are for convenience only and shall not affect the construction hereof.

Section 109. Successors and Assigns .

All covenants and agreements in this Indenture by the Company shall bind its successors and assigns, whether so expressed or not. All agreements of the Trustee in this Indenture shall bind its successors and assigns, whether so expressed or not.

Section 110. Separability Clause .

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

Section 111. Benefits of Indenture .

Nothing in this Indenture or in the Securities, express or implied, shall give to any Person, other than the parties hereto and their successors hereunder and the Holders, any benefit or any legal or equitable right, remedy or claim under this Indenture.

Section 112. Governing Law .

This Indenture and the Securities shall be governed by, and construed in accordance with, the law of the State of New York.

Section 113. Legal Holidays .

In any case where any Interest Payment Date, Redemption Date, Repayment Date or Stated Maturity of any Security, or any date on which a Holder has the right to convert such Holder’s Security, shall not be a Business Day at any Place of Payment, then (notwithstanding any other provision of this Indenture or of the Securities (other than a provision of any Security which specifically states that such provision shall apply in lieu of this Section 113)) payment of principal and premium, if any, or interest, or the Redemption Price or conversion of such Security, need not be made at such Place of Payment on such date, but may be made on the next

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succeeding Business Day at such Place of Payment with the same force and effect as if made on the Interest Payment Date, Redemption Date or Repayment Date, or at the Stated Maturity, or on such conversion date. In the case, however, of Securities of a series bearing interest at a floating rate based on the London interbank offered rate (LIBOR), if any Interest Payment Date (other than the Redemption Date, Repayment Date or Stated Maturity) would otherwise be a date that is not a Business Day, then the Interest Payment Date shall be postponed to the following date which is a Business Day, unless that Business Day falls in the next succeeding calendar month, in which case the Interest Payment Date will be the immediately preceding Business Day. No interest shall accrue for the period from and after any such Interest Payment Date, Redemption Date, Repayment Date, Stated Maturity or conversion date, as the case may be, to the date of such payment.

Section 114. No Recourse Against Others .

A director, officer, employee or stockholder as such of the Company shall not have any liability for any obligations of the Company under the Securities or this Indenture or for any claim based on, in respect of or by reason of such obligations or their creation. By accepting a Security, each Holder shall waive and release all such liability. The waiver and release shall be part of the consideration for the issue of the Securities.

Section 115. WAIVER OF JURY TRIAL .

EACH OF THE COMPANY AND THE TRUSTEE HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING AS BETWEEN THE COMPANY AND THE TRUSTEE ONLY ARISING OUT OF OR RELATING TO THIS INDENTURE OR THE SECURITIES.

ARTICLE II

SECURITY FORMS

Section 201. Forms Generally .

The Securities of each series shall be in substantially such form or forms as shall be established by or pursuant to a Board Resolution or, subject to Section 303, set forth in, or determined in the manner provided in, an Officer’s Certificate pursuant to a Board Resolution, or in one or more indentures supplemental hereto, in each case with such appropriate insertions, omissions, substitutions and other variations as are required or permitted by this Indenture, and may have such letters, numbers or other marks of identification and such legends or endorsements placed thereon as may be required to comply with applicable tax laws or the rules of any securities exchange or Depositary therefor or as may, consistently herewith, be determined by the Officer executing such Securities, as evidenced by his or her execution thereof. If the form of Securities of any series is established by action taken pursuant to a Board Resolution, a copy of an appropriate record of such action shall be certified by the Secretary or an Assistant Secretary of the Company and delivered to the Trustee at or prior to the delivery of the Company Order contemplated by Section 303 for the authentication and delivery of such Securities. If all of the Securities of any series established by action taken pursuant to a Board

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Resolution are not to be issued at one time, it shall not be necessary to deliver a record of such action at the time of issuance of each Security of such series, but an appropriate record of such action shall be delivered at or before the time of issuance of the first Security of such series.

The definitive Securities shall be printed, lithographed or engraved on steel engraved borders or may be produced in any other manner, all as determined by the Officer executing such Securities, as evidenced by his or her execution of such Securities.

Section 202. Form of Legend for Global Securities .

Unless otherwise specified as contemplated by Section 301 for the Securities evidenced thereby or as required by Applicable Procedures, every Global Security authenticated and delivered hereunder shall bear a legend in substantially the following form:

[ Insert, if applicable — UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“ DTC ”), NEW YORK, NEW YORK, TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.

TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR’S NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.]

[ Insert, if applicable — THIS SECURITY IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE REFERRED TO HEREIN AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A NOMINEE THEREOF. THIS SECURITY MAY NOT BE EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED, IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE INDENTURE.]

Section 203. Form of Trustee’s Certificate of Authentication .

The Trustee’s certificates of authentication shall be in substantially the following form:

This is one of the Securities of the series designated therein referred to in the within-mentioned Indenture.

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Dated:

ARTICLE III

THE SECURITIES

Section 301. Amount Unlimited; Issuable in Series .

The aggregate principal amount of Securities which may be authenticated and delivered under this Indenture is unlimited.

The Securities may be issued in one or more series. There shall be established in or pursuant to (a) a Board Resolution or pursuant to authority granted by a Board Resolution and, subject to Section 303, set forth, or determined in the manner provided, in an Officer’s Certificate, or (b) one or more indentures supplemental hereto, prior to the issuance of Securities of any series:

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All Securities of any one series shall be substantially identical except as to denomination and except as may otherwise be provided in or pursuant to the Board Resolution referred to above or pursuant to authority granted by one or more Board Resolutions and, subject to Section 303, set forth, or determined in the manner provided, in the Officer’s Certificate referred to above or in any such indenture supplemental hereto. All Securities of any one series need not be issued at one time and, unless otherwise provided in or pursuant to the Board Resolution referred to above and, subject to Section 303, set forth, or determined in the manner provided, in the Officer’s Certificate referred to above or pursuant to authority granted by one or more Board Resolutions or in any such indenture supplemental hereto with respect to a series of Securities, additional Securities of a series may be issued, at the option of the Company, without the consent of any Holder, at any time and from time to time.

If any of the terms of the series are established by action taken pursuant to a Board Resolution, a copy of an appropriate record of such action shall be certified by the Secretary or an Assistant Secretary of the Company and delivered to the Trustee at or prior to the delivery of the Officer’s Certificate setting forth the terms of the series.

Section 302. Denominations .

The Securities of each series shall be issuable only in registered form without coupons and only in such denominations as shall be specified as contemplated by Section 301. In the absence of any such specified denomination with respect to the Securities of any series, the Securities of such series shall be issuable in denominations of $2,000 and any integral multiple of $1,000 in excess thereof.

Section 303. Execution, Authentication, Delivery and Dating .

The Securities shall be executed on behalf of the Company by its Chairman of the Board, one of its Vice Chairmen, its Chief Executive Officer, its Chief Financial Officer, its Chief Accounting Officer, its Treasurer, one of its Corporate Vice Presidents or one of its Assistant Treasurers. The signature of any of these officers on the Securities may be manual or facsimile.

Securities bearing the manual or facsimile signatures of individuals who were at any time the proper officers of the Company shall bind the Company, notwithstanding that such individuals or any of them have ceased to hold such offices prior to the authentication and delivery of such Securities or did not hold such offices at the date of such Securities.

At any time and from time to time after the execution and delivery of this Indenture, the Company may deliver Securities of any series executed by the Company to the Trustee for authentication, together with a Company Order for the authentication and delivery of such Securities, and the Trustee in accordance with the Company Order shall authenticate and deliver such Securities. If the form or terms of the Securities of the series have been established by or

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pursuant to one or more Board Resolutions or pursuant to authority granted by one or more Board Resolutions as permitted by Sections Section 201 and Section 301, in authenticating such Securities, and accepting the additional responsibilities under this Indenture in relation to such Securities, the Trustee shall be entitled to receive, and, subject to Section 601, shall be fully protected in relying upon, an Opinion of Counsel stating,

If such form or terms have been so established, the Trustee shall not be required to authenticate such Securities if the issue of such Securities pursuant to this Indenture will materially adversely affect the Trustee’s own rights, duties or immunities under the Securities and this Indenture or otherwise in a manner which is not reasonably acceptable to the Trustee.

Notwithstanding the provisions of Section 301 and of the preceding paragraph of this Section 303, if all Securities of a series are not to be originally issued at one time, including in the event that the aggregate principal amount of a series of Outstanding Securities is increased as contemplated by Section 301, it shall not be necessary to deliver the Officer’s Certificate otherwise required pursuant to Section 301 or the Company Order and Opinion of Counsel otherwise required pursuant to this Section 303 at or prior to the authentication of each Security of such series if such documents are delivered at or prior to the authentication upon original issuance of the first Security of such series to be issued.

Each Security shall be dated the date of its authentication.

No Security shall be entitled to any benefit under this Indenture or be valid or obligatory for any purpose unless there appears on such Security a certificate of authentication substantially in the form provided for herein executed by the Trustee by manual signature, and such certificate upon any Security shall be conclusive evidence, and the only evidence, that such Security has been duly authenticated and delivered hereunder. Notwithstanding the foregoing, if any Security shall have been authenticated and delivered hereunder but never issued and sold by the Company, and the Company shall deliver such Security to the Trustee for cancellation as

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provided in Section 309, for all purposes of this Indenture such Security shall be deemed never to have been authenticated and delivered hereunder and shall never be entitled to the benefits of this Indenture.

Section 304. Temporary Securities .

Pending the preparation of definitive Securities of any series, the Company may execute, and, upon Company Order, the Trustee shall authenticate and deliver, temporary Securities which are printed, lithographed, typewritten, mimeographed or otherwise produced, in any authorized denomination, substantially of the tenor of the definitive Securities of such series in lieu of which they are issued and with such appropriate insertions, omissions, substitutions and other variations as the officers executing such Securities may determine, as evidenced by their execution of such Securities.

If temporary Securities of any series are issued, the Company will cause definitive Securities of such series to be prepared without unreasonable delay. After the preparation of definitive Securities of such series, the temporary Securities of such series shall be exchangeable for definitive Securities of such series upon surrender of the temporary Securities of such series at the office or agency of the Company in a Place of Payment for such series, without charge to the Holder. Upon surrender for cancellation of any one or more temporary Securities of any series, the Company shall execute and the Trustee shall authenticate and deliver in exchange therefor one or more definitive Securities of the same series, of any authorized denominations and of like tenor and aggregate principal amount. Until so exchanged, the temporary Securities of any series shall in all respects be entitled to the same benefits under this Indenture as definitive Securities of such series and tenor.

Section 305. Registration, Registration of Transfer and Exchange .

The Company shall cause to be kept at the Corporate Trust Office of the Trustee a register (the register maintained in such office and in any other office or agency of the Company in a Place of Payment being herein sometimes collectively referred to as the “ Security Register ”) in which, subject to such reasonable regulations as it may prescribe, the Company shall provide for the registration of Securities and of transfers of Securities. The Trustee is hereby appointed “ Security Registrar ” for the purpose of registering Securities and transfers of Securities as herein provided.

Upon surrender for registration of transfer of any Security of a series at the office or agency of the Company in a Place of Payment for such series, the Company shall execute, and the Trustee shall authenticate and deliver, in the name of the designated transferee or transferees, one or more new Securities of the same series, of any authorized denominations and of like tenor and principal amount.

At the option of the Holder, Securities of any series may be exchanged for other Securities of the same series, of any authorized denominations and of like tenor and principal amount, upon surrender of the Securities to be exchanged at such office or agency. Whenever any Securities are so surrendered for exchange, the Company shall execute, and the Trustee shall

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authenticate and deliver, the Securities which the Holder making the exchange is entitled to receive.

All Securities issued upon any registration of transfer or exchange of Securities shall be the valid obligations of the Company, evidencing the same debt, and entitled to the same benefits under this Indenture, as the Securities surrendered upon such registration of transfer or exchange.

Every Security presented or surrendered for registration of transfer or for exchange shall (if so required by the Company or the Trustee) be duly endorsed, or be accompanied by a written instrument of transfer in form satisfactory to the Company and the Security Registrar duly executed, by the Holder thereof or such Holder’s attorney duly authorized in writing.

No service charge shall be made for any registration of transfer or exchange of Securities, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge that may be imposed in connection with any registration of transfer or exchange of Securities, other than exchanges pursuant to Section 304, Section 906 or Section 1107 not involving any transfer.

If the Securities of any series (or of any series and specified tenor) are to be redeemed in part, the Company shall not be required (A) to issue, register the transfer of or exchange any Securities of such series (or of such series and specified tenor, as the case may be) during a period beginning at the opening of business 15 days before the day of the mailing of a notice of redemption of any such Securities selected for redemption under Section 1103 and ending at the close of business on the day of such mailing, or (B) to register the transfer of or exchange any Security so selected for redemption in whole or in part, except the unredeemed portion of any Security being redeemed in part.

The provisions of clauses (1), (2), (3) and (4) of this paragraph shall apply only to Global Securities:

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Section 306. Mutilated, Destroyed, Lost and Stolen Securities .

If any mutilated Security is surrendered to the Trustee, the Company shall execute and the Trustee shall authenticate and deliver in exchange therefor a new Security of the same series and of like tenor and principal amount and bearing a number not contemporaneously outstanding.

If there shall be delivered to the Company and the Trustee (1) evidence to their satisfaction of the destruction, loss or theft of any Security and (2) such security or indemnity as may be required by them to save each of them and any agent of either of them harmless, then, in the absence of notice to the Company or the Trustee that such Security has been acquired by a bona fide purchaser, the Company shall execute and the Trustee shall authenticate and deliver, in lieu of any such destroyed, lost or stolen Security, a new Security of the same series and of like tenor and principal amount and bearing a number not contemporaneously outstanding.

In case any such mutilated, destroyed, lost or stolen Security has become or is about to become due and payable, the Company in its discretion may, instead of issuing a new Security, pay such Security.

Upon the issuance of any new Security under this Section 306, the Company may require the payment of a sum sufficient to cover any tax or other governmental charge that may be imposed in relation thereto and any other expenses (including the fees and expenses of counsel to the Company and the fees and expenses of the Trustee and its counsel) connected therewith.

Every new Security of any series issued pursuant to this Section 306 in lieu of any mutilated, destroyed, lost or stolen Security shall constitute an original additional contractual obligation of the Company, whether or not the mutilated, destroyed, lost or stolen Security shall be at any time enforceable by anyone, and shall be entitled to all the benefits of this Indenture equally and proportionately with any and all other Securities of such series duly issued hereunder.

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The provisions of this Section 306 are exclusive and shall preclude (to the extent lawful) all other rights and remedies with respect to the replacement or payment of mutilated, destroyed, lost or stolen Securities.

Section 307. Payment of Interest; Interest Rights Preserved .

Except as otherwise provided as contemplated by Section 301 with respect to any series of Securities, interest on any Security which is payable, and is punctually paid or duly provided for, on any Interest Payment Date shall be paid to the Person in whose name that Security (or one or more Predecessor Securities) is registered at the close of business on the Regular Record Date for such interest.

Any interest on any Security of any series which is payable, but is not punctually paid or duly provided for, on any Interest Payment Date (herein called “ Defaulted Interest ”) shall forthwith cease to be payable to the Holder on the relevant Regular Record Date by virtue of having been such Holder, and such Defaulted Interest may be paid by the Company, at its election in each case, as provided in clause (1) or (2) below:

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Subject to the foregoing provisions of this Section 307, each Security delivered under this Indenture upon registration of transfer of or in exchange for or in lieu of any other Security shall carry the rights to interest accrued and unpaid, and to accrue, which were carried by such other Security.

In the case of any Security which is converted after any Regular Record Date and on or prior to the next succeeding Interest Payment Date (other than any Security whose Maturity is prior to such Interest Payment Date), interest whose Stated Maturity is on such Interest Payment Date shall be payable on such Interest Payment Date notwithstanding such conversion, and such interest (whether or not punctually paid or made available for payment) shall be paid to the Person in whose name that Security (or one or more Predecessor Securities) is registered at the close of business on such Regular Record Date. Except as otherwise expressly provided in the immediately preceding sentence, in the case of any Security which is converted, interest whose Stated Maturity is after the date of conversion of such Security shall not be payable. Notwithstanding the foregoing, the terms of any Security that may be converted may provide that the provisions of this paragraph do not apply, or apply with such additions, changes or omissions as may be provided thereby, to such Security.

Section 308. Persons Deemed Owners .

Prior to due presentment of a Security for registration of transfer, the Company, the Trustee and any agent of the Company or the Trustee may treat the Person in whose name such Security is registered as the owner of such Security for the purpose of receiving payment of principal of and premium, if any, and, subject to Section 307, any interest on such Security and for all other purposes whatsoever, whether or not such Security be overdue, and neither the Company, the Trustee nor any agent of the Company or the Trustee shall be affected by notice to the contrary.

Section 309. Cancellation .

All Securities surrendered for payment, redemption, registration of transfer or exchange or conversion or for credit against any sinking fund payment shall, if surrendered to any Person other than the Trustee, be delivered to the Trustee and shall be promptly cancelled by it. The Company may at any time deliver to the Trustee for cancellation any Securities previously authenticated and delivered hereunder which the Company may have acquired in any manner whatsoever, and may deliver to the Trustee (or to any other Person for delivery to the Trustee) for cancellation any Securities previously authenticated hereunder which the Company has not issued and sold, and all Securities so delivered shall be promptly cancelled by the Trustee. No Securities shall be authenticated in lieu of or in exchange for any Securities cancelled as provided in this Section 309, except as expressly permitted by this Indenture. All cancelled Securities held by the Trustee shall be disposed of in accordance with its customary procedures.

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The Trustee shall provide the Company a list of all Securities that have been cancelled from time to time as requested by the Company.

Section 310. Computation of Interest .

Except as otherwise specified as contemplated by Section 301 for Securities of any series, interest on the Securities of each series shall be computed on the basis of a 360-day year of twelve 30-day months.

Section 311. CUSIP Numbers .

The Company in issuing any series of the Securities may use “CUSIP” or “ISIN” numbers and/or other similar numbers, if then generally in use, and thereafter with respect to such series, the Trustee may use such numbers in any notice of redemption with respect to such series; provided that any such notice may state that no representation is made as to the correctness of such numbers either as printed on the Securities of such series or as contained in any notice of a redemption and that reliance may be placed only on the other identification numbers printed on the Securities of such series, and any such redemption shall not be affected by any defect in or omission of such numbers.

Section 312. Original Issue Discount .

If any of the Securities is an Original Issue Discount Security, the Company shall file with the Trustee promptly at the end of each calendar year (1) a written notice specifying the amount of original issue discount (including daily rates and accrual periods) accrued on such Outstanding Original Issue Discount Securities as of the end of such year and (2) such other specific information relating to such original issue discount as may then be relevant under the Internal Revenue Code.

ARTICLE IV

SATISFACTION AND DISCHARGE

Section 401. Satisfaction and Discharge of Indenture .

This Indenture shall, upon Company Request, cease to be of further effect with respect to any series of Securities specified in such Company Request (except as to any surviving rights of registration of transfer or exchange of Securities of such series herein expressly provided for), and the Trustee, at the expense of the Company, shall execute proper instruments acknowledging satisfaction and discharge of this Indenture as to such series, when:

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and the Company, in the case of (i), (ii) or (iii) above, has deposited or caused to be deposited with the Trustee as trust funds in trust for the purpose money in an amount sufficient to pay and discharge the entire indebtedness on such Securities not theretofore delivered to the Trustee for cancellation, for principal and premium, if any, and interest to the date of such deposit (in the case of Securities which have become due and payable) or to the Stated Maturity or Redemption Date, as the case may be;

Notwithstanding the satisfaction and discharge of this Indenture, the obligations of the Company to the Trustee under Section 607 and, if money shall have been deposited with the Trustee pursuant to subclause (B) of clause (1) of this Section 401, the obligations of the Trustee under Section 402 and the last paragraph of Section 1003 shall survive.

Section 402. Application of Trust Money .

Subject to the provisions of the last paragraph of Section 1003, all money deposited with the Trustee pursuant to Section 401 shall be held in trust and applied by it, in accordance with the provisions of the applicable series of Securities and this Indenture, to the payment, either directly or through any Paying Agent (including the Company acting as its own Paying Agent) as the Trustee may determine, to the Persons entitled thereto, of the principal and premium, if any, and interest for whose payment such money has been deposited with the Trustee. All money deposited with the Trustee pursuant to Section 401 (and held by it or any Paying Agent) for the payment of Securities subsequently converted into other property shall be returned to the Company upon Company Request. The Company may direct by a Company Order the

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investment of any money deposited with the Trustee pursuant to Section 401, without distinction between principal and income, in (1) United States Treasury securities with a maturity of one year or less or (2) a money market fund that invests solely in short-term United States Treasury securities (including money market funds for which the Trustee or an affiliate of the Trustee serves as investment advisor, administrator, shareholder, servicing agent and/or custodian or sub-custodian, notwithstanding that (a) the Trustee charges and collects fees and expenses from such funds for services rendered and (b) the Trustee charges and collects fees and expenses for services rendered pursuant to this Indenture at any time) and from time to time the Company may direct the reinvestment of all or a portion of such money in other securities or funds meeting the criteria specified in clause (1) or (2) of this Section 402.

ARTICLE V

REMEDIES

Section 501. Events of Default .

Except as may be otherwise provided pursuant to Section 301 for Securities of any series, an “ Event of Default ” means, whenever used herein or in a Security issued hereunder with respect to Securities of any series, any one of the following events (whatever the reason for such Event of Default and whether it shall be voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or order of any court or any order, rule or regulation of any administrative or governmental body):

(1) the Company defaults in the payment of any installment of interest on any Security of such series for 30 days after becoming due;

(2) the Company defaults in the payment of the principal of or premium, if any, on any Security of such series when the same becomes due and payable at its Stated Maturity, upon optional redemption, upon declaration or otherwise;

(3) the Company defaults in the deposit of any sinking fund payment, when and as due by the terms of a Security of such series;

(4) the Company defaults in the performance of, or breaches, any of its covenants and agreements in respect of any Security of such series contained in this Indenture or in the Securities of such series (other than those referred to in (1), (2) or (3) above), and such default or breach continues for a period of 90 days after the notice specified below;

(5) the Company, pursuant to or within the meaning of the Bankruptcy Law (as defined below):

(A) commences a voluntary case or proceeding;

(B) consents to the entry of an order for relief against it in an involuntary case or proceeding;

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(C) consents to the appointment of a Custodian (as defined below) of it or for all or substantially all of its property;

(D) makes a general assignment for the benefit of its creditors;

(E) files a petition in bankruptcy or answer or consent seeking reorganization or relief;

(F) consents to the filing of such petition or the appointment of or taking possession by a Custodian; or

(G) takes any comparable action under any foreign laws relating to insolvency;

(6) a court of competent jurisdiction enters an order or decree under any Bankruptcy Law that:

(A) is for relief against the Company in an involuntary case, or adjudicates the Company insolvent or bankrupt;

(B) appoints a Custodian of the Company or for all or substantially all of the property of the Company; or

(C) orders the winding-up or liquidation of the Company (or any similar relief is granted under any foreign laws),

and the order or decree remains unstayed and in effect for 90 days; or

(7) any other Event of Default provided with respect to Securities of such series occurs.

The term “ Bankruptcy Law ” means Title 11, United States Code, or any similar federal or state or foreign law for the relief of debtors. The term “ Custodian ” means any custodian, receiver, trustee, assignee, liquidator or other similar official under any Bankruptcy Law.

A Default with respect to Securities of any series under clause (4) of this Section 501 shall not be an Event of Default until the Trustee (by written notice to the Company) or the Holders of at least 25% in aggregate principal amount of the outstanding Securities of such series (by written notice to the Company and the Trustee) gives notice of the Default and the Company does not cure such Default within the time specified in clause (4) after receipt of such notice. Such notice must specify the Default, demand that it be remedied and state that such notice is a “ Notice of Default .”

Section 502. Acceleration of Maturity; Rescission and Annulment .

If an Event of Default with respect to Securities of any series at the time Outstanding (other than an Event of Default specified in Section 501(5) or (6) with respect to the Company) occurs and is continuing, then in every such case the Trustee or the Holders of not less than 25%

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in aggregate principal amount of the Outstanding Securities of such series may declare the principal amount of all the Securities of such series (or, if any Securities of that series are Original Issue Discount Securities, such portion of the principal amount of such Securities as may be specified by the terms thereof), together with any accrued and unpaid interest thereon, to be due and payable immediately, by a notice in writing to the Company (and to the Trustee if given by Holders), and upon any such declaration, such principal amount (or specified amount), together with any accrued and unpaid interest thereon, shall become immediately due and payable. If an Event of Default specified in Section 501(5) or (6) with respect to the Securities of any series at the time Outstanding occurs, the principal amount of all the Securities of such series (or, in the case of any Security of such series which specifies an amount to be due and payable thereon upon acceleration of the Maturity thereof, such amount as may be specified by the terms thereof), together with any accrued and unpaid interest thereon, shall automatically, and without any declaration or other action on the part of the Trustee or any Holder, become immediately due and payable. Upon payment of such amount, all obligations of the Company in respect of the payment of principal and interest of the Securities of such series shall terminate.

Except as may otherwise be provided pursuant to Section 301 for all or any specific Securities of any series, at any time after such a declaration of acceleration with respect to the Securities of any series has been made and before a judgment or decree for payment of the money due has been obtained by the Trustee as hereinafter in this Article V provided, the Holders of a majority in aggregate principal amount of the Outstanding Securities of such series, by written notice to the Company and the Trustee, may rescind and annul such declaration and its consequences if:

No such rescission shall affect any subsequent default or impair any right consequent thereon.

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Section 503. Collection of Indebtedness and Suits for Enforcement by Trustee .

The Company covenants that if (1) default is made in the payment of any interest on any Security when such interest becomes due and payable and such default continues for a period of 30 days, or (2) default is made in the payment of the principal of or premium, if any, on any Security at the Maturity thereof, the Company will, upon demand of the Trustee, pay to it, for the benefit of the Holders of such Securities, the whole amount then due and payable on such Securities for principal and premium, if any, and interest and, to the extent that payment of such interest shall be legally enforceable, interest on any overdue principal and premium and on any overdue interest, at the rate or rates prescribed therefor in such Securities, and, in addition thereto, such further amount as shall be sufficient to cover the costs and expenses of collection, including the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel.

If an Event of Default with respect to Securities of any series occurs and is continuing, the Trustee may in its discretion proceed to protect and enforce its rights and the rights of the Holders of Securities of such series by such appropriate judicial proceedings as the Trustee shall deem most effectual to protect and enforce any such rights, whether for the specific enforcement of any covenant or agreement in this Indenture or in aid of the exercise of any power granted herein, or to enforce any other proper remedy.

Section 504. Trustee May File Proofs of Claim .

In case of any judicial proceeding relative to the Company (or any other obligor upon the Securities), its property or its creditors, the Trustee shall be entitled and empowered, by intervention in such proceeding or otherwise, to take any and all actions authorized under the Trust Indenture Act in order to have claims of the Holders and the Trustee allowed in any such proceeding. In particular, the Trustee shall be authorized to collect and receive any moneys or other property payable or deliverable on any such claims and to distribute the same; and any custodian, receiver, assignee, trustee, liquidator, sequestrator or other similar official in any such judicial proceeding is hereby authorized by each Holder to make such payments to the Trustee and, in the event that the Trustee shall consent to the making of such payments directly to the Holders, to pay to the Trustee any amount due it and any predecessor Trustee under Section 607.

No provision of this Indenture shall be deemed to authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or composition affecting the Securities or the rights of any Holder thereof or to authorize the Trustee to vote in respect of the claim of any Holder in any such proceeding; provided , however , that the Trustee may, on behalf of the Holders, vote for the election of a trustee in bankruptcy or similar official and be a member of a creditors’ or other similar committee.

Section 505. Trustee May Enforce Claims Without Possession of Securities .

All rights of action and claims under this Indenture or the Securities may be prosecuted and enforced by the Trustee without the possession of any of the Securities or the production thereof in any proceeding relating thereto, and any such proceeding instituted by the Trustee

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shall be brought in its own name as trustee of an express trust, and any recovery of judgment shall, after provision for the payment of the reasonable compensation, expenses, disbursements and advances of the Trustee, any predecessor Trustee under Section 607, its agents and counsel, be for the ratable benefit of the Holders of the Securities in respect of which such judgment has been recovered.

Section 506. Application of Money Collected .

Any money collected by the Trustee pursuant to this Article V shall be applied in the following order, at the date or dates fixed by the Trustee and, in case of the distribution of such money on account of principal or premium, if any, or interest, upon presentation of the Securities and the notation thereon of the payment if only partially paid and upon surrender thereof if fully paid:

FIRST: To the payment of all amounts due the Trustee under Section 607;

SECOND: To the payment of the amounts then due and unpaid for principal of and premium, if any, and interest on the Securities in respect of which or for the benefit of which such money has been collected, ratably, without preference or priority of any kind, according to the amounts due and payable on such Securities for principal and premium, if any, and interest, respectively; and

THIRD: To the payment of the remainder, if any, to the Company.

Section 507. Limitation on Suits .

No Holder of any Security of any series shall have any right to institute any proceeding, judicial or otherwise, with respect to this Indenture, or for the appointment of a receiver, assignee, trustee, liquidator or sequestrator (or similar official) or for any other remedy hereunder, unless:

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it being understood and intended that no one or more of such Holders shall have any right in any manner whatever by virtue of, or by availing of, any provision of this Indenture to affect, disturb or prejudice the rights of any other of such Holders, or to obtain or to seek to obtain priority or preference over any other of such Holders or to enforce any right under this Indenture, except in the manner herein provided and for the equal and ratable benefit of all of such Holders.

Section 508. Unconditional Right of Holders to Receive Principal, Premium and Interest and to Convert Securities .

Notwithstanding any other provision in this Indenture, the Holder of any Security shall have the right, which is absolute and unconditional, to receive payment of the principal of and premium, if any, and, subject to Section 307, interest on such Security on the respective Stated Maturities expressed in such Security (or, in the case of redemption or repayment, on the Redemption Date or date for repayment, as the case may be, and, if the terms of such Security so provide, to convert such Security in accordance with its terms) and to institute suit for the enforcement of any such payment and, if applicable, any such right to convert, and such rights shall not be impaired without the consent of such Holder.

Section 509. Rights and Remedies Cumulative .

Except as otherwise provided with respect to the replacement or payment of mutilated, destroyed, lost or stolen Securities in the last paragraph of Section 306, no right or remedy herein conferred upon or reserved to the Trustee or to the Holders is intended to be exclusive of any other right or remedy, and every right and remedy shall, to the extent permitted by law, be cumulative and in addition to every other right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise. The assertion or employment of any right or remedy hereunder, or otherwise, shall not prevent the concurrent assertion or employment of any other appropriate right or remedy.

Section 510. Delay or Omission Not Waiver .

No delay or omission of the Trustee or of any Holder of any Securities to exercise any right or remedy accruing upon any Event of Default shall impair any such right or remedy or constitute a waiver of any such Event of Default or an acquiescence therein. Every right and remedy given by this Article V or by law to the Trustee or to the Holders may be exercised from time to time, and as often as may be deemed expedient, by the Trustee or by the Holders, as the case may be.

Section 511. Control by Holders .

The Holders of not less than a majority in aggregate principal amount of the Outstanding Securities of any series shall have the right to direct the time, method and place of conducting any proceeding for any remedy available to the Trustee, or exercising any trust or power conferred on the Trustee, with respect to the Securities of such series; provided that

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Section 512. Waiver of Past Defaults .

The Holders of not less than a majority in aggregate principal amount of the Outstanding Securities of any series may on behalf of the Holders of all the Securities of such series waive any past default hereunder with respect to such series and its consequences, except a default

Upon any such waiver, such default shall cease to exist, and any Event of Default arising therefrom shall be deemed to have been cured, for every purpose of this Indenture, but no such waiver shall extend to any subsequent or other default or impair any right consequent thereon.

Section 513. Undertaking for Costs .

In any suit for the enforcement of any right or remedy under this Indenture, or in any suit against the Trustee for any action taken, suffered or omitted by it as Trustee, a court may require any party litigant in such suit to file an undertaking to pay the costs of such suit, and may assess reasonable costs against any such party litigant, in the manner and to the extent provided in the Trust Indenture Act; provided that neither this Section 513 nor the Trust Indenture Act shall be deemed to authorize any court to require such an undertaking or to make such an assessment in any suit instituted by the Company or the Trustee, a suit by a Holder under Section 508, or a suit by Holders of more than 10% in aggregate principal amount of the Outstanding Securities.

Section 514. Waiver of Usury, Stay or Extension Laws .

The Company covenants (to the extent that it may lawfully do so) that it will not at any time insist upon, or plead, or in any manner whatsoever claim or take the benefit or advantage of, any usury, stay or extension law wherever enacted, now or at any time hereafter in force, which may affect the covenants or the performance of this Indenture; and the Company (to the extent that it may lawfully do so) hereby expressly waives all benefit or advantage of any such law and covenants that it will not hinder, delay or impede the execution of any power herein granted to the Trustee, but will suffer and permit the execution of every such power as though no such law had been enacted.

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Section 515. Restoration of Rights and Remedies .

If the Trustee or any Holder has instituted any proceeding to enforce any right or remedy under this Indenture and such proceeding has been discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such Holder, then and in every such case, subject to any determination in such proceeding, the Company, the Trustee and the Holders shall be restored severally and respectively to their former positions hereunder and thereafter all rights and remedies of the Trustee and the Holders shall continue as though no such proceeding had been instituted.

ARTICLE VI

THE TRUSTEE

Section 601. Certain Duties and Responsibilities of Trustee .

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Section 602. Notice of Defaults .

If a Default or an Event of Default occurs with respect to Securities of any series and is continuing and if it is actually known to the Trustee, the Trustee shall mail to each Holder of Securities of such series notice of the Default within 90 days after it is known to a Responsible Officer or written notice of it is received by a Responsible Officer of the Trustee. Except in the case of a Default in payment of principal of or interest on any Security, the Trustee may withhold the notice if and so long as a committee of its Responsible Officers in good faith determines that withholding the notice is not opposed to the interests of Holders of Securities of such series.

Section 603. Certain Rights of Trustee .

Subject to the provisions of Section 601:

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Section 604. Not Responsible for Recitals or Issuance of Securities .

The recitals contained herein and in the Securities, except the Trustee’s certificates of authentication, shall be taken as the statements of the Company, and the Trustee assumes no responsibility for their correctness. The Trustee makes no representations as to the validity or sufficiency of this Indenture or of the Securities. The Trustee shall not be accountable for the use or application by the Company of Securities or the proceeds thereof.

Section 605. May Hold Securities .

The Trustee, any Paying Agent, any Security Registrar or any other agent of the Company, in its individual or any other capacity, may become the owner or pledgee of Securities and, subject to Sections Section 608 and Section 613, may otherwise deal with the Company with the same rights it would have if it were not Trustee, Paying Agent, Security Registrar or such other agent.

Section 606. Money Held in Trust .

Money held by the Trustee in trust hereunder shall, until used or applied as herein provided, be held in trust for the purposes for which they were received, but need not be segregated from other funds except to the extent required by law. The Trustee shall be under no liability for interest on any money received by it hereunder except as otherwise agreed with the Company.

Section 607. Compensation and Reimbursement .

The Company agrees

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When the Trustee incurs expenses or renders services in connection with an Event of Default specified in Section 501(5) or (6), the expenses (including the reasonable charges and expenses of its counsel) and the compensation for the services are intended to constitute expenses of administration under any applicable federal or state bankruptcy, insolvency or other similar law.

The Trustee shall have a lien prior to the Securities as to all property and funds held by it hereunder for any amount owing it or any predecessor Trustee pursuant to this Section 607, except with respect to funds held in trust for the benefit of the Holders of Securities.

The provisions of this Section 607 shall survive the termination of this Indenture and the resignation or removal of the Trustee.

Section 608. Conflicting Interests .

If the Trustee has or shall acquire a conflicting interest within the meaning of the Trust Indenture Act, the Trustee shall either eliminate such interest or resign, to the extent and in the manner provided by, and subject to the provisions of, the Trust Indenture Act and this Indenture.

To the extent permitted by the Trust Indenture Act, the Trustee shall not be deemed to have a conflicting interest by virtue of being a trustee under this Indenture with respect to Securities of more than one series.

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Section 609. Corporate Trustee Required; Eligibility .

There shall at all times be one (and only one) Trustee hereunder with respect to the Securities of each series, which may be Trustee hereunder for Securities of one or more other series. Each Trustee shall be a Person that is eligible pursuant to the Trust Indenture Act to act as such, has a combined capital and surplus of at least $50,000,000. If any such Person publishes reports of condition at least annually, pursuant to law or to the requirements of its supervising or examining authority, then for the purposes of this Section 609 and to the extent permitted by the Trust Indenture Act, the combined capital and surplus of such Person shall be deemed to be its combined capital and surplus as set forth in its most recent annual report of condition so published. If at any time the Trustee with respect to the Securities of any series shall cease to be eligible in accordance with the provisions of this Section 609, it shall resign immediately in the manner and with the effect hereinafter specified in this Article VI.

Section 610. Resignation and Removal; Appointment of Successor .

No resignation or removal of the Trustee and no appointment of a successor Trustee pursuant to this Article VI shall become effective until the acceptance of appointment by the successor Trustee in accordance with the applicable requirements of Section 611.

The Trustee may resign at any time with respect to the Securities of one or more series by giving written notice thereof to the Company. If the instrument of acceptance by a successor Trustee required by Section 611 shall not have been delivered to the Trustee within 30 days after the giving of such notice of resignation, the resigning Trustee, at the expense of the Company, may petition any court of competent jurisdiction for the appointment of a successor Trustee with respect to the Securities of such series.

The Trustee may be removed at any time with respect to the Securities of any series by Act of the Holders of a majority in aggregate principal amount of the Outstanding Securities of such series, upon written notice delivered to the Trustee and to the Company. If the instrument of acceptance by a successor Trustee required by Section 611 shall not have been delivered to the Trustee within 30 days after the giving of such notice of removal, the Trustee being removed, at the expense of the Company, may petition any court of competent jurisdiction for the appointment of a successor Trustee with respect to the Securities of such series.

If at any time:

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then, in any such case, (A) the Company may remove the Trustee with respect to all Securities or (B) subject to Section 513, Holders of 10% in aggregate principal amount of Securities of any series who have been bona fide Holders of such Securities for at least six months may, on behalf of themselves and all others similarly situated, petition any court of competent jurisdiction for the removal of the Trustee with respect to all Securities and the appointment of a successor Trustee or Trustees.

If the Trustee shall resign, be removed or become incapable of acting, or if a vacancy shall occur in the office of Trustee for any cause, with respect to the Securities of one or more series, the Company shall promptly appoint a successor Trustee or Trustees with respect to the Securities of that or those series (it being understood that any such successor Trustee may be appointed with respect to the Securities of one or more or all of such series and that at any time there shall be only one Trustee with respect to the Securities of any particular series) and shall comply with the applicable requirements of Section 611. If, within one year after such resignation, removal or incapability, or the occurrence of such vacancy, a successor Trustee with respect to the Securities of any series shall be appointed by Act of the Holders of a majority in aggregate principal amount of the Outstanding Securities of such series delivered to the Company and the retiring Trustee, the successor Trustee so appointed shall, forthwith upon its acceptance of such appointment in accordance with the applicable requirements of Section 611, become the successor Trustee with respect to the Securities of such series and to that extent supersede the successor Trustee appointed by the Company. If no successor Trustee with respect to the Securities of any series shall have been so appointed by the Company or the Holders and accepted appointment in the manner required by Section 611, Holders of 10% in aggregate principal amount of Securities of any series who have been bona fide Holders of Securities of such series for at least six months may, on behalf of themselves and all others similarly situated, petition any court of competent jurisdiction for the appointment of a successor Trustee with respect to the Securities of such series.

The Company shall give notice of each resignation and each removal of the Trustee with respect to the Securities of any series and each appointment of a successor Trustee with respect to the Securities of any series to all Holders of Securities of such series in the manner provided in Section 106. Each notice shall include the name of the successor Trustee with respect to the Securities of such series and the address of its Corporate Trust Office.

Section 611. Acceptance of Appointment by Successor .

In case of the appointment hereunder of a successor Trustee with respect to all Securities, every such successor Trustee so appointed shall execute, acknowledge and deliver to the Company and to the retiring Trustee a written instrument accepting such appointment, and thereupon the resignation or removal of the retiring Trustee shall become effective and such successor Trustee, without any further act, deed or conveyance, shall become vested with all the rights, powers, trusts and duties of the retiring Trustee, but, on the request of the Company or the successor Trustee, such retiring Trustee shall, upon payment of its charges, execute and deliver a written instrument transferring to such successor Trustee all the rights, powers and trusts of the retiring Trustee and shall duly assign, transfer and deliver to such successor Trustee all property and money held by such retiring Trustee hereunder.

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In case of the appointment hereunder of a successor Trustee with respect to the Securities of one or more (but not all) series, the Company, the retiring Trustee and each successor Trustee with respect to the Securities of one or more series shall execute and deliver an indenture supplemental hereto wherein each successor Trustee shall accept such appointment and which (1) shall contain such provisions as shall be necessary or desirable to transfer and confirm to, and to vest in, each successor Trustee all the rights, powers, trusts and duties of the retiring Trustee with respect to the Securities of that or those series to which the appointment of such successor Trustee relates, (2) if the retiring Trustee is not retiring with respect to all Securities, shall contain such provisions as shall be deemed necessary or desirable to confirm that all the rights, powers, trusts and duties of the retiring Trustee with respect to the Securities of that or those series as to which the retiring Trustee is not retiring shall continue to be vested in the retiring Trustee, and (3) shall add to or change any of the provisions of this Indenture as shall be necessary to provide for or facilitate the administration of the trusts hereunder by more than one Trustee, it being understood that nothing herein or in such supplemental indenture shall constitute such Trustees co-trustees of the same trust and that each such Trustee shall be trustee of a trust or trusts hereunder separate and apart from any trust or trusts hereunder administered by any other such Trustee; and upon the execution and delivery of such supplemental indenture the resignation or removal of the retiring Trustee shall become effective to the extent provided therein and each such successor Trustee, without any further act, deed or conveyance, shall become vested with all the rights, powers, trusts and duties of the retiring Trustee with respect to the Securities of that or those series to which the appointment of such successor Trustee relates; but, on request of the Company or any successor Trustee, such retiring Trustee shall duly assign, transfer and deliver to such successor Trustee all property and money held by such retiring Trustee hereunder with respect to the Securities of that or those series to which the appointment of such successor Trustee relates.

Upon request of any such successor Trustee, the Company shall execute any and all instruments for more fully and certainly vesting in and confirming to such successor Trustee all such rights, powers and trusts referred to in the first or second preceding paragraph, as the case may be.

No successor Trustee shall accept its appointment unless at the time of such acceptance such successor Trustee shall be qualified and eligible under this Article VI.

Section 612. Merger, Conversion, Consolidation or Succession to Business .

Any corporation into which the Trustee may be merged or converted or with which it may be consolidated, or any corporation resulting from any merger, conversion or consolidation to which the Trustee shall be a party, or any corporation succeeding to all or substantially all the corporate trust business of the Trustee, shall be the successor of the Trustee hereunder; provided that such corporation shall be otherwise qualified and eligible under this Article VI, without the execution or filing of any paper or any further act on the part of any of the parties hereto. In case any Securities shall have been authenticated, but not delivered, by the Trustee then in office, any successor by merger, conversion, consolidation or sale to such authenticating Trustee may adopt such authentication and deliver the Securities so authenticated with the same effect as if such successor Trustee had itself authenticated such Securities; and in case at that time any Securities shall not have been authenticated, any successor to the Trustee may authenticate such Securities

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either in the name of any predecessor hereunder or in the name of the successor to the Trustee; and in all such cases such certificates shall have the full force which it is anywhere in the Securities or in this Indenture provided that the certificate of the Trustee shall have.

Section 613. Preferential Collection of Claims Against Company .

If and when the Trustee shall be or become a creditor of the Company (or any other obligor upon the Securities), the Trustee shall be subject to the provisions of the Trust Indenture Act regarding the collection of claims against the Company (or any such other obligor).

ARTICLE VII

HOLDERS’ LISTS AND REPORTS BY TRUSTEE AND COMPANY

Section 701. Company to Furnish Trustee Names and Addresses of Holders .

If the Trustee is not the Security Registrar, the Company shall cause the Security Registrar to furnish to the Trustee, in writing at least five Business Days before each Interest Payment Date and at such other times as the Trustee may request in writing, a list in such form and as of such date as the Trustee may reasonably require of the names and addresses of Holders of Securities of each series.

Section 702. Preservation of Information; Communications to Holders .

The Trustee shall preserve, in as current a form as is reasonably practicable, the names and addresses of Holders contained in the most recent list furnished to the Trustee as provided in Section 701 and the names and addresses of Holders received by the Trustee in its capacity as Security Registrar. The Trustee may destroy any list furnished to it as provided in Section 701 upon receipt of a new list so furnished.

The rights of Holders to communicate with other Holders with respect to their rights under this Indenture or under the Securities, and the corresponding rights and privileges of the Trustee, shall be as provided by the Trust Indenture Act.

Every Holder of Securities, by receiving and holding the same, agrees with the Company and the Trustee that neither the Company nor the Trustee nor any agent of either of them shall be held accountable by reason of any disclosure of information as to names and addresses of Holders made pursuant to the Trust Indenture Act.

Section 703. Reports by Trustee .

The Trustee shall transmit to Holders such reports concerning the Trustee and its actions under this Indenture as may be required pursuant to the Trust Indenture Act at the times and in the manner provided pursuant thereto. The Trustee shall promptly deliver to the Company a copy of any report it delivers to Holders pursuant to this Section 703.

A copy of each such report shall, at the time of such transmission to Holders, be filed by the Trustee with each stock exchange and automated quotation system, if any, upon which any

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Securities are listed, with the SEC and with the Company. The Company will notify the Trustee when any Securities are listed on any stock exchange or automated quotation system or delisted therefrom.

Section 704. Reports by Company .

The Company shall comply with all the applicable provisions of the Trust Indenture Act. Delivery of such reports, information and documents to the Trustee is for informational purposes only and shall not constitute a representation or warranty as to the accuracy or completeness of the reports, information and documents. The Trustee’s receipt of such shall not constitute constructive notice of any information contained therein or determinable from information contained therein, including the Company’s compliance with any of its covenants hereunder (as to which the Trustee is entitled to rely exclusively on Officer’s Certificates).

ARTICLE VIII

CONSOLIDATION, MERGER AND SALE OF ASSETS

Section 801. Company May Merge or Transfer Assets Only on Certain Terms .

The Company shall not consolidate with or merge with or into, or sell, transfer, lease or convey all or substantially all of its properties and assets to, in one transaction or a series of related transactions, any other Person, unless:

Section 802. Successor Corporation Substituted .

The Successor shall succeed to, and be substituted for, and may exercise every right and power of, the Company under the Indenture, with the same effect as if the Successor had been an original party to this Indenture, and the Company shall be released from all its liabilities and obligations under this Indenture and the Securities.

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ARTICLE IX

SUPPLEMENTAL INDENTURES

Section 901. Supplemental Indentures Without Consent of Holders .

Without the consent of any Holders, the Company and the Trustee, at any time and from time to time, may enter into one or more indentures supplemental hereto, in form satisfactory to the Trustee, for any of the following purposes:

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Section 902. Supplemental Indentures With Consent of Holders .

With the consent of the Holders of not less than a majority in aggregate principal amount of the Outstanding Securities of each series affected by such supplemental indenture (including consents obtained in connection with a tender offer or exchange for Securities), by Act of said Holders delivered to the Company and the Trustee, the Company and the Trustee may enter into an indenture or indentures supplemental hereto for the purpose of adding any provisions to or changing in any manner or eliminating any of the provisions of this Indenture or of modifying in any manner the rights of the Holders of Securities of such series under this Indenture; provided , however , no such supplemental indenture shall, without the consent of the Holder of each Outstanding Security of such series affected thereby:

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A supplemental indenture which changes or eliminates any covenant or other provision of this Indenture which has expressly been included solely for the benefit of one or more particular series of Securities, or which modifies the rights of the Holders of Securities of such series with respect to such covenant or other provision, shall be deemed not to affect the rights under this Indenture of the Holders of Securities of any other series.

It shall not be necessary for any Act of Holders under this Section 902 to approve the particular form of any proposed supplemental indenture, but it shall be sufficient if such Act shall approve the substance thereof.

After a supplemental indenture under this Section 902 becomes effective, the Company shall mail to the Trustee a notice briefly describing such supplemental indenture or a copy of such supplemental indenture and the Trustee shall mail such notice or supplemental indenture to Holders affected thereby. Any failure of the Company to mail such notice, or any defect therein, or any failure of the Company to mail such supplemental indenture, shall not in any way impair or affect the validity of any such supplemental indenture.

Section 903. Execution of Supplemental Indentures .

In executing, or accepting the additional trusts created by, any supplemental indenture permitted by this Article IX or the modifications thereby of the trusts created by this Indenture, the Trustee shall be entitled to receive, and, subject to Section 601, shall be fully protected in relying upon, an Opinion of Counsel stating that the execution of such supplemental indenture is authorized or permitted by this Indenture and that all conditions precedent in this Indenture to the execution of such supplemental indenture, if any, have been complied with and that the supplemental indenture is the legal, valid and binding obligation of the Company enforceable against it in accordance with its terms, subject to customary exceptions, and complies with Section 905; provided , however , that no such Opinion of Counsel shall be required in the case of

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any supplemental indenture executed and delivered concurrently with the original execution and delivery of this Indenture. The Trustee may, but shall not be obligated to, enter into any such supplemental indenture which affects the Trustee’s own rights, duties or immunities under this Indenture or otherwise.

Section 904. Effect of Supplemental Indentures .

Upon the execution of any supplemental indenture under this Article IX, this Indenture shall be modified in accordance therewith, and such supplemental indenture shall form a part of this Indenture for all purposes; and every Holder of Securities theretofore or thereafter authenticated and delivered hereunder shall be bound thereby.

Section 905. Conformity with Trust Indenture Act .

Every supplemental indenture executed pursuant to this Article IX shall conform to the requirements of the Trust Indenture Act.

Section 906. Reference in Securities to Supplemental Indentures .

Securities of any series authenticated and delivered after the execution of any supplemental indenture pursuant to this Article IX may, and shall if required by the Trustee, bear a notation in form approved by the Trustee as to any matter provided for in such supplemental indenture. If the Company shall so determine, new Securities of any series so modified as to conform, in the opinion of the Trustee and the Company, to any such supplemental indenture may be prepared and executed by the Company and authenticated and delivered by the Trustee in exchange for Outstanding Securities of such series.

ARTICLE X

COVENANTS

Section 1001. Payment of Principal, Premium, if any, and Interest .

The Company covenants and agrees for the benefit of each series of Securities that it will duly and punctually pay the principal of and premium, if any, and interest on the Securities of such series in accordance with the terms of the Securities and this Indenture. Principal and interest shall be considered paid on the date due if, on or before 11:00 a.m. (New York City time) on such date, the Trustee or the Paying Agent (or, if the Company or any of its Subsidiaries is the Paying Agent, the segregated account or separate trust fund maintained by the Company or such Subsidiary pursuant to Section 1003) holds in accordance with this Indenture money sufficient to pay all principal and interest then due.

The Company shall pay interest on overdue principal at the rate specified therefor in the Securities, and it shall pay interest on overdue installments of interest at the same rate to the extent lawful as provided in Section 307.

Notwithstanding anything to the contrary contained in this Indenture, the Company or the Paying Agent may, to the extent it is required to do so by law, deduct or withhold income or

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other similar taxes imposed by the United States of America or other domestic or foreign taxing authorities from principal or interest payments hereunder.

Section 1002. Maintenance of Office or Agency .

The Company will maintain in each Place of Payment for any series of Securities an office or agency where Securities of such series may be presented or surrendered for payment, where Securities of such series may be surrendered for registration of transfer or exchange, where Securities may be surrendered for conversion, and where notices and demands to or upon the Company in respect of the Securities of such series and this Indenture may be served. The Company will give prompt written notice to the Trustee of the location, and any change in the location, of such office or agency. If at any time the Company shall fail to maintain any such required office or agency or shall fail to furnish the Trustee with the address thereof, such presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office of the Trustee. The Company hereby appoints the Trustee as its agent to receive all such presentations, surrenders, notices and demands.

The Company may also from time to time designate one or more other offices or agencies where the Securities of one or more series may be presented or surrendered for any or all such purposes and may from time to time rescind such designations; provided , however , that no such designation or rescission shall in any manner relieve the Company of its obligation to maintain an office or agency in each Place of Payment for Securities of any series for such purposes. The Company will give prompt written notice to the Trustee of any such designation or rescission and of any change in the location of any such other office or agency.

With respect to any Global Security, and except as otherwise may be specified for such Global Security as contemplated by Section 301, the Corporate Trust Office of the Trustee shall be the Place of Payment where such Global Security may be presented or surrendered for payment or for registration of transfer or exchange, or where successor Securities may be delivered in exchange therefor; provided , however , that any such payment, presentation, surrender or delivery effected pursuant to the Applicable Procedures of the Depositary for such Global Security shall be deemed to have been effected at the Place of Payment for such Global Security in accordance with the provisions of this Indenture.

Section 1003. Money for Securities Payments to Be Held in Trust .

If the Company shall at any time act as its own Paying Agent with respect to any series of Securities, it will, on or before each due date for the principal of or premium, if any, or interest on any of the Securities of such series, segregate and hold in trust for the benefit of the Holders of such Securities a sum sufficient to pay the principal and premium, if any, and interest so becoming due until such sums shall be paid to such Holders or otherwise disposed of as herein provided and will promptly notify the Trustee of its action or failure so to act.

Whenever the Company shall have one or more Paying Agents for any series of Securities, it will, no later than 11:00 a.m. (New York City time) on each due date for the principal of or premium, if any, or interest on any Securities of such series, deposit with a Paying Agent a sum sufficient to pay such amount, such sum to be held in trust for the Holders of such

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Securities entitled to the same, and (unless such Paying Agent is the Trustee) the Company will promptly notify the Trustee of its action or failure so to act.

The Company will cause each Paying Agent for any series of Securities other than the Trustee to execute and deliver to the Trustee an instrument in which such Paying Agent shall agree with the Trustee, subject to the provisions of this Section 1003, that such Paying Agent shall hold in trust for the benefit of Holders or the Trustee all money held by such Paying Agent for the payment of principal of or interest on the Securities and shall notify the Trustee in writing of any default by the Company in making any such payment.

The Company may at any time, for the purpose of obtaining the satisfaction and discharge of this Indenture or for any other purpose, pay, or by Company Order direct any Paying Agent to pay, to the Trustee all sums held in trust by the Company or such Paying Agent, such sums to be held by the Trustee upon the same trusts as those upon which such sums were held by the Company or such Paying Agent; and, upon such payment by any Paying Agent to the Trustee, such Paying Agent shall be released from all further liability with respect to such money.

Subject to any applicable abandoned property law, any money deposited with the Trustee or any Paying Agent, or then held by the Company, in trust for the payment of the principal of or premium, if any, or interest on any Security of any series and remaining unclaimed for two years after such principal, premium or interest has become due and payable shall be paid to the Company on Company Request, or (if then held by the Company) shall be discharged from such trust; and the Holder of such Security shall thereafter, as an unsecured general creditor, look only to the Company for payment thereof, and all liability of the Trustee or such Paying Agent with respect to such trust money, and all liability of the Company as trustee thereof, shall thereupon cease.

Section 1004. Statement by Officers as to Default .

The Company shall deliver to the Trustee within 120 days after the end of each fiscal year of the Company ending after the date hereof an Officer’s Certificate signed by its principal executive officer, principal financial officer or principal accounting officer, stating whether or not, to the best knowledge of such officer, the Company is in default in the performance and observance of any of the terms, provisions and conditions of this Indenture (without regard to any period of grace or requirement of notice provided hereunder) and, if the Company shall be in default, specifying all such defaults and the nature and status thereof of which they may have knowledge.

Section 1005. Waiver of Certain Covenants .

Except as otherwise specified as contemplated by Section 301 for Securities of such series, the Company may, with respect to the Securities of any series, omit in any particular instance to comply with any term, provision or condition set forth in any covenant provided pursuant to Section 301(18), Section 901(1) or Section 901(8) for the benefit of the Holders of such series, if before the time for such compliance the Holders of at least a majority in aggregate principal amount of the Outstanding Securities of such series shall, by Act of such Holders,

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either waive such compliance in such instance or generally waive compliance with such term, provision or condition, but no such waiver shall extend to or affect such term, provision or condition except to the extent so expressly waived, and, until such waiver shall become effective, the obligations of the Company and the duties of the Trustee in respect of any such term, provision or condition shall remain in full force and effect.

ARTICLE XI

REDEMPTION OF SECURITIES

Section 1101. Applicability of Article .

Securities of any series which are redeemable before their Stated Maturity shall be redeemable in accordance with their terms and (except as otherwise specified as contemplated by Section 301 for such Securities) in accordance with this Article XI.

Section 1102. Election to Redeem; Notice to Trustee .

The election of the Company to redeem any Securities shall be evidenced by a Board Resolution or an Officer’s Certificate or in another manner specified as contemplated by Section 301 for such Securities. In case of any redemption at the election of the Company of the Securities of any series (including any such redemption affecting only a single Security), the Company shall, at least 40 days prior to the Redemption Date fixed by the Company (unless a shorter notice shall be satisfactory to the Trustee), notify the Trustee of such Redemption Date, of the principal amount of Securities of such series to be redeemed and, if applicable, of the tenor of the Securities to be redeemed. In the case of any redemption of Securities prior to the expiration of any restriction on such redemption provided in the terms of such Securities or elsewhere in this Indenture, the Company shall furnish the Trustee with an Officer’s Certificate evidencing compliance with such restriction.

Section 1103. Selection by Trustee of Securities to Be Redeemed .

If less than all the Securities of any series are to be redeemed (unless all the Securities of such series and of a specified tenor are to be redeemed or unless such redemption affects only a single Security), the particular Securities to be redeemed shall be selected not more than 40 days prior to the Redemption Date by the Trustee, from the Outstanding Securities of such series not previously called for redemption, by such method as the Trustee shall deem fair and appropriate and which may provide for the selection for redemption of a portion of the principal amount of any Security of such series; provided that the unredeemed portion of the principal amount of any Security shall be in an authorized denomination (which shall not be less than the minimum authorized denomination) for such Security. If less than all the Securities of such series and of a specified tenor are to be redeemed (unless such redemption affects only a single Security), the particular Securities to be redeemed shall be selected not more than 40 days prior to the Redemption Date by the Trustee, from the Outstanding Securities of such series and specified tenor not previously called for redemption in accordance with the preceding sentence.

If any Security selected for partial redemption is converted in part before termination of the conversion right with respect to the portion of the Security so selected, the converted portion of such Security shall be deemed (so far as may be) to be the portion selected for redemption.

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Securities which have been converted during a selection of securities to be redeemed shall be treated by the Trustee as Outstanding for the purpose of such selection.

The Trustee shall promptly notify the Company in writing of the Securities selected for redemption as aforesaid and, in case of any Securities selected for partial redemption as aforesaid, the principal amount thereof to be redeemed.

The provisions of the two preceding paragraphs shall not apply with respect to any redemption affecting only a single Security, whether such Security is to be redeemed in whole or in part. In the case of any such redemption in part, the unredeemed portion of the principal amount of the Security shall be in an authorized denomination (which shall not be less than the minimum authorized denomination) for such Security.

For all purposes of this Indenture, unless the context otherwise requires, all provisions relating to the redemption of Securities shall relate, in the case of any Securities redeemed or to be redeemed only in part, to the portion of the principal amount of such Securities which has been or is to be redeemed.

Section 1104. Notice of Redemption .

Notice of redemption shall be given by first-class mail, postage prepaid, mailed not less than 30 nor more than 60 days prior to the Redemption Date (or within such period as otherwise specified as contemplated by Section 301 for Securities of a series), to each Holder of Securities to be redeemed, at such Holder’s address appearing in the Security Register.

All notices of redemption shall identify the Securities to be redeemed and state:

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Notice of redemption of Securities to be redeemed at the election of the Company shall be given by the Company or, at the Company’s request (which may be rescinded or revoked at any time prior to the time at which the Trustee shall have given such notice to the Holders), by the Trustee in the name and at the expense of the Company. The notice, if mailed in the manner herein provided, shall be conclusively presumed to have been given, whether or not the Holder receives such notice. In any case, failure to give such notice by mail or any defect in the notice to the Holder of any Security designated for redemption as a whole or in part shall not affect the validity of the proceedings for the redemption of any other Securities.

Section 1105. Deposit of Redemption Price .

By no later than 11:00 a.m. (New York City time) on any Redemption Date, the Company shall deposit with the Trustee or with a Paying Agent (or, if the Company is acting as its own Paying Agent, segregate and hold in trust as provided in Section 1003) an amount of money sufficient to pay the Redemption Price of, and (except if the Redemption Date shall be an Interest Payment Date or the Securities of the series provide otherwise) accrued interest on, all the Securities which are to be redeemed on that date, other than Securities or portions of Securities called for redemption which are owned by the Company or a Subsidiary and have been delivered by the Company or such Subsidiary to the Trustee for cancellation. All money, if any, earned on funds held by the Paying Agent shall be remitted to the Company. In addition, the Paying Agent shall promptly return to the Company any money deposited with the Paying Agent by the Company in excess of the amounts necessary to pay the Redemption Price of, and accrued interest, if any, on, all Securities to be redeemed.

If any Security called for redemption is converted, any money deposited with the Trustee or with any Paying Agent or so segregated and held in trust for the redemption of such Security shall (subject to any right of the Holder of such Security or any Predecessor Security to receive interest as provided in the last paragraph of Section 307 or in the terms of such Security) be paid to the Company upon Company Request or, if then held by the Company, shall be discharged from such trust.

Section 1106. Securities Payable on Redemption Date .

Notice of redemption having been given as aforesaid, the Securities so to be redeemed shall, on the Redemption Date, become due and payable at the Redemption Price therein specified, and from and after such date (unless the Company shall default in the payment of the Redemption Price and accrued interest) such Securities shall cease to bear interest. Upon surrender of any such Security for redemption in accordance with said notice, such Security shall be paid by the Company at the Redemption Price, together, if applicable, with accrued interest to the Redemption Date; provided , however , that, unless otherwise specified as contemplated by

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Section 301, installments of interest whose Stated Maturity is on or prior to the Redemption Date will be payable to the Holders of such Securities, or one or more Predecessor Securities, registered as such at the close of business on the relevant Record Dates according to their terms and the provisions of Section 307; provided further that, unless otherwise specified as contemplated by Section 301, if the Redemption Date is after a Regular Record Date and on or prior to the Interest Payment Date, the accrued and unpaid interest shall be payable to the Holder of the redeemed Securities registered on the relevant Regular Record Date.

If any Security called for redemption shall not be so paid upon surrender thereof for redemption, the principal and premium, if any, shall, until paid, bear interest from the Redemption Date at the rate prescribed therefor in the Security.

Section 1107. Securities Redeemed in Part .

Any Security which is to be redeemed only in part shall be surrendered at a Place of Payment therefor (with, if the Company or the Trustee so requires, due endorsement by, or a written instrument of transfer in form satisfactory to the Company and the Trustee duly executed by, the Holder thereof or such Holder’s attorney duly authorized in writing), and the Company shall execute, and the Trustee shall authenticate and deliver to the Holder of such Security without service charge, a new Security or Securities of the same series and of like tenor, of any authorized denomination as requested by such Holder, in principal amount equal to and in exchange for the unredeemed portion of the principal of the Security so surrendered.

ARTICLE XII

SINKING FUNDS

Section 1201. Applicability of Article .

The provisions of this Article XII shall be applicable to any sinking fund for the retirement of Securities of any series except as otherwise specified as contemplated by Section 301 for such Securities.

The minimum amount of any sinking fund payment provided for by the terms of any series of Securities is herein referred to as a “mandatory sinking fund payment,” and any payment in excess of such minimum amount provided for by the terms of such Securities is herein referred to as an “optional sinking fund payment.” If provided for by the terms of any series of Securities, the cash amount of any sinking fund payment may be subject to reduction as provided in Section 1202. Each sinking fund payment shall be applied to the redemption of Securities of the series as provided for by the terms of such Securities.

Section 1202. Satisfaction of Sinking Fund Payments with Securities .

The Company (1) may deliver Outstanding Securities of a series (other than any previously called for redemption) and (2) may apply as a credit Securities of a series which have been redeemed either at the election of the Company pursuant to the terms of such Securities or through the application of permitted optional sinking fund payments pursuant to the terms of such Securities, in each case in satisfaction of all or any part of any sinking fund payment with respect to any Securities of such series required to be made pursuant to the terms of such

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Securities as and to the extent provided for by the terms of such Securities; provided that the Securities to be so credited have not been previously so credited. The Securities to be so credited shall be received and credited for such purpose by the Trustee at the Redemption Price, as specified in the Securities so to be redeemed, for redemption through operation of the sinking fund and the amount of such sinking fund payment shall be reduced accordingly.

Section 1203. Redemption of Securities for Sinking Fund .

Not less than 60 days (or such shorter period as shall be satisfactory to the Trustee) prior to each sinking fund payment date for any Securities, the Company will deliver to the Trustee an Officer’s Certificate specifying the amount of the next ensuing sinking fund payment for such Securities pursuant to the terms of such Securities, the portion thereof, if any, which is to be satisfied by payment of cash and the portion thereof, if any, which is to be satisfied by delivering and crediting Securities pursuant to Section 1202 and will also deliver to the Trustee any Securities to be so delivered. Not less than 30 days prior to each such sinking fund payment date, the Trustee shall select the Securities to be redeemed upon such sinking fund payment date in the manner specified in Section 1103 and cause notice of the redemption thereof to be given in the name of and at the expense of the Company in the manner provided in Section 1104. Such notice having been duly given, the redemption of such Securities shall be made upon the terms and in the manner stated in Sections Section 1106 and Section 1107.

ARTICLE XIII

DEFEASANCE AND COVENANT DEFEASANCE

Section 1301. Company’s Option to Effect Defeasance or Covenant Defeasance .

Unless otherwise provided as contemplated by Section 301, Sections Section 1302 and Section 1303 shall apply to all Securities or each series of Securities, as the case may be, in either case, denominated in U.S. dollars and bearing interest at a fixed rate, in accordance with any applicable requirements provided pursuant to Section 301 and upon compliance with the conditions set forth below in this Article XIII; and the Company may elect, at its option at any time, to have Sections Section 1302 and Section 1303 applied to any Securities or any series of Securities, as the case may be, designated pursuant to Section 301 as being defeasible pursuant to such Section Section 1302 or Section 1303, in accordance with any applicable requirements provided pursuant to Section 301 and upon compliance with the conditions set forth below in this Article XIII. Any such election to have or not to have Sections Section 1302 and Section 1303 apply, as the case may be, shall be evidenced by a Board Resolution, Officer’s Certificate or in another manner specified as contemplated by Section 301 for such Securities.

Section 1302. Defeasance and Discharge .

Upon the Company’s exercise of its option, if any, to have this Section 1302 applied to any Securities or any series of Securities, as the case may be, or if this Section 1302 shall otherwise apply to any Securities or any series of Securities, as the case may be, the Company shall be deemed to have been discharged from its obligations with respect to such Securities as provided in this Section 1302 on and after the date the conditions set forth in Section 1304 are satisfied (hereinafter called “ Defeasance ”). For this purpose, such Defeasance means that the

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Company shall be deemed to have paid and discharged the entire indebtedness represented by such Securities and to have satisfied all its other obligations under such Securities and this Indenture insofar as such Securities are concerned (and the Trustee, at the expense of the Company, shall execute proper instruments acknowledging the same), subject to the following which shall survive until otherwise terminated or discharged hereunder: (1) the rights of Holders of such Securities to receive, solely from the trust fund described in Section 1304 and as more fully set forth in such Section 1305, payments in respect of the principal of and premium, if any, and interest on such Securities when payments are due, (2) the Company’s obligations with respect to such Securities under Sections Section 304, Section 305, Section 306, Section 1002 and Section 1003, (3) the rights, powers, trusts, duties and immunities of the Trustee hereunder and (4) this Article XIII. Subject to compliance with this Article XIII, the Company may exercise its option, if any, to have this Section 1302 applied to the Securities of any series notwithstanding the prior exercise of its option, if any, to have Section 1303 applied to such Securities.

Section 1303. Covenant Defeasance .

Upon the Company’s exercise of its option, if any, to have this Section 1303 applied to any Securities or any series of Securities, as the case may be, or if this Section 1303 shall otherwise apply to any Securities or any series of Securities, as the case may be, (1) the Company shall be released from its obligations under any covenants provided pursuant to Section 301(18), Section 901(1) or Section 901(7) for the benefit of the Holders of such Securities and (2) the occurrence of any event specified in Sections Section 501(4) and Section 501(7) shall be deemed not to be or result in an Event of Default, in each case with respect to such Securities as provided in this Section 1303 on and after the date the conditions set forth in Section 1304 are satisfied (hereinafter called “ Covenant Defeasance ”). For this purpose, such Covenant Defeasance means that, with respect to such Securities, the Company may omit to comply with and shall have no liability in respect of any term, condition or limitation set forth in any such specified Section, whether directly or indirectly by reason of any reference elsewhere herein to any such Section or by reason of any reference in any such Section to any other provision herein or in any other document, but the remainder of this Indenture and such Securities shall be unaffected thereby.

Section 1304. Conditions to Defeasance or Covenant Defeasance .

The following shall be the conditions to the application of Section 1302 or Section 1303 to any Securities or any series of Securities, as the case may be:

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Before or after a deposit, the Company may make arrangements satisfactory to the Trustee for the redemption of Securities at a future date in accordance with Article XI.

Section 1305. Deposited Money and U.S. Government Obligations to Be Held in Trust; Miscellaneous Provisions .

Subject to the provisions of the last paragraph of Section 1003, all money and U.S. Government Obligations (including the proceeds thereof) deposited with the Trustee or other qualifying trustee (solely for purposes of this Section 1305 and Section 1306, the Trustee and any such other trustee are referred to collectively as the “ Trustee ”) pursuant to Section 1304 in respect of any Securities shall be held in trust and applied by the Trustee, in accordance with the provisions of such Securities and this Indenture, to the payment, either directly or through any such Paying Agent (including the Company acting as its own Paying Agent) as the Trustee may determine, to the Holders of such Securities, of all sums due and to become due thereon in respect of principal and premium, if any, and interest, but money so held in trust need not be segregated from other funds except to the extent required by law.

The Company shall pay and indemnify the Trustee against any tax, fee or other charge imposed on or assessed against the U.S. Government Obligations deposited pursuant to Section 1304 or the principal and interest received in respect thereof other than any such tax, fee or other charge which by law is for the account of the Holders of Outstanding Securities; provided that the Trustee shall be entitled to charge any such tax, fee or other charge to such Holder’s account.

Anything in this Article XIII to the contrary notwithstanding, the Trustee shall deliver or pay to the Company from time to time upon Company Request any money or U.S. Government Obligations held by it as provided in Section 1304 with respect to any Securities which are in excess of the amount thereof which would then be required to be deposited to effect the Defeasance or Covenant Defeasance, as the case may be, with respect to such Securities.

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Section 1306. Reinstatement .

If the Trustee or the Paying Agent is unable to apply any money in accordance with this Article XIII with respect to any Securities by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, then the obligations under this Indenture and such Securities from which the Company has been discharged or released pursuant to Section 1302 or Section 1303 shall be revived and reinstated as though no deposit had occurred pursuant to this Article XIII with respect to such Securities, until such time as the Trustee or Paying Agent is permitted to apply all money held in trust pursuant to Section 1305 with respect to such Securities in accordance with this Article XIII; provided , however , that (a) if the Company makes any payment of principal of or premium, if any, or interest on any such Security following such reinstatement of its obligations, the Company shall be subrogated to the rights, if any, of the Holders of such Securities to receive such payment from the money so held in trust and (b) unless otherwise required by any legal proceeding or any order or judgment of any court or governmental authority, the Trustee or Paying Agent shall return all such money and U.S. Government Obligations to the Company promptly after receiving a written request therefor at any time, if such reinstatement of the Company’s obligations has occurred and continues to be in effect.

ARTICLE XIV

REPAYMENT AT THE OPTION OF HOLDERS

Section 1401. Applicability of Article .

Repayment of Securities of any series before their Stated Maturity at the option of Holders thereof shall be made in accordance with the terms of such Securities and (except as otherwise specified as contemplated by Section 301 for Securities of any series) in accordance with this Article XIV.

Section 1402. Repayment of Securities .

Securities of any series subject to repayment in whole or in part at the option of the Holders thereof will, unless otherwise provided in the terms of such Securities, be repaid at a price equal to the principal amount thereof and premium, if any, thereon, together with interest thereon accrued to the Repayment Date specified in or pursuant to the terms of such Securities. The Company covenants that on or before the Repayment Date it will deposit with the Trustee or with a Paying Agent (or, if the Company is acting as its own Paying Agent, segregate and hold in trust as provided in Section 1003) an amount of money sufficient to pay the principal (or, if so provided by the terms of the Securities of any series, a percentage of the principal) of, the premium, if any, and (except if the Repayment Date shall be an Interest Payment Date) accrued interest on, all the Securities or portions thereof, as the case may be, to be repaid on such date.

Section 1403. Exercise of Option .

Securities of any series subject to repayment at the option of the Holders thereof will contain an “Option to Elect Repayment” form on the reverse of such Securities. To be repaid at the option of the Holder, any Security so providing for such repayment, with the “Option to Elect

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Repayment” form on the reverse of such Security duly completed by the Holder (or by the Holder’s attorney duly authorized in writing), must be received by the Company at the Place of Payment therefor specified in the terms of such Security (or at such other place or places of which the Company shall from time to time notify the Holders of such Securities) not earlier than 45 days nor later than 30 days prior to the Repayment Date. If less than the entire principal amount of such Security is to be repaid in accordance with the terms of such Security, the principal amount of such Security to be repaid, in increments of the minimum denomination for Securities of such series, and the denomination or denominations of the Security or Securities to be issued to the Holder for the portion of the principal amount of such Security surrendered that is not to be repaid, must be specified. The principal amount of any Security providing for repayment at the option of the Holder thereof may not be repaid in part if, following such repayment, the unpaid principal amount of such Security would be less than the minimum authorized denomination of Securities of the series of which such Security to be repaid is a part. Except as otherwise may be provided by the terms of any Security providing for repayment at the option of the Holder thereof, exercise of the repayment option by the Holder shall be irrevocable unless waived by the Company.

Section 1404. When Securities Presented for Repayment Become Due and Payable .

If Securities of any series providing for repayment at the option of the Holders thereof shall have been surrendered as provided in this Article XIV and as provided by or pursuant to the terms of such Securities, such Securities or the portions thereof, as the case may be, to be repaid shall become due and payable and shall be paid by the Company on the Repayment Date therein specified, and on and after such Repayment Date (unless the Company shall default in the payment of such Securities on such Repayment Date) such Securities shall, if the same were interest-bearing, cease to bear interest. Upon surrender of any such Security for repayment in accordance with such provisions, the principal amount of such Security so to be repaid shall be paid by the Company, together with accrued interest and/or premium, if any, to (but excluding) the Repayment Date; provided , however , that, unless otherwise specified as contemplated by Section 301, installments of interest, if any, whose Stated Maturity is on or prior to the Repayment Date shall be payable (but without interest thereon, unless the Company shall default in the payment thereof) to the Holders of such Securities, or one or more Predecessor Securities, registered as such at the close of business on the relevant Record Dates according to their terms and the provisions of Section 307.

If the principal amount of any Security surrendered for repayment shall not be so repaid upon surrender thereof, such principal amount (together with interest, if any, thereon accrued to such Repayment Date) and any premium shall, until paid, bear interest from the Repayment Date at the rate of interest or yield to maturity (in the case of Original Issue Discount Securities) set forth in such Security.

Section 1405. Securities Repaid in Part .

Upon surrender of any Security which is to be repaid in part only, the Company shall execute and the Trustee shall authenticate and deliver to the Holder of such Security, without service charge and at the expense of the Company, a new Security or Securities of the same series, of any authorized denomination specified by the Holder, in a principal amount equal to

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and in exchange for the portion of the principal of such Security so surrendered which is not to be repaid.

*            *             *

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This Indenture may be executed in any number of counterparts, each of which so executed shall be deemed to be an original, but all such counterparts shall together constitute but one and the same instrument.

[Signature page follows]

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IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be duly executed and attested, all as of the day and year first above written.

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Exhibit 4.2

EXCO RESOURCES, INC.,

as Issuer

SUBSIDIARY GUARANTORS,

as Guarantors

7.500% Senior Notes Due 2018

FIRST SUPPLEMENTAL INDENTURE

Dated as of September 15, 2010

WILMINGTON TRUST COMPANY,

as Trustee

Table of Contents

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FIRST SUPPLEMENTAL INDENTURE dated as of September 15, 2010, among EXCO RESOURCES, INC., a Texas corporation (the “Company”), the SUBSIDIARY GUARANTORS (as defined below) from time to time party hereto and WILMINGTON TRUST COMPANY, a Delaware banking corporation, as trustee (the “Trustee”).

Recitals of the Company

WHEREAS, the Company and the Trustee executed and delivered an Indenture, dated as of September 15, 2010 (the “Original Indenture”) to provide for the issuance by the Company from time to time of its senior unsecured debt securities (herein called the “Debt Securities”), to be issued in one or more series as provided in the Original Indenture;

WHEREAS, the Original Indenture is incorporated herein by this reference, and the Original Indenture, as supplemented by this First Supplemental Indenture and any other supplemental indentures applicable to the Debt Securities created pursuant to this First Supplemental Indenture, is herein called the “Indenture”;

WHEREAS, under the Original Indenture, a new series of senior unsecured notes may at any time be established in or pursuant to a Board Resolution, an Officer’s Certificate or one or more indentures supplemental to the Original Indenture;

WHEREAS, the Company proposes to create under the Indenture a new series of senior unsecured notes and to add new provisions to, and change and eliminate certain existing provisions of, the Original Indenture in respect of such new series of senior unsecured notes;

WHEREAS, additional senior unsecured notes of other series hereafter established, except as may be limited in the Original Indenture as at the time supplemented and modified, may be issued from time to time pursuant to the Indenture as at the time supplemented and modified;

WHEREAS, no Debt Security of any series has been created prior to the date of execution of this First Supplemental Indenture; and

WHEREAS, all conditions necessary to authorize the execution and delivery of this First Supplemental Indenture and make it a valid and binding obligation of the Company in accordance with its terms, have been done or performed.

NOW, THEREFORE, THIS FIRST SUPPLEMENTAL INDENTURE WITNESSETH:

For and in consideration of the premises set forth herein and for other good and valuable consideration the sufficiency of which is hereby acknowledged, it is mutually agreed as follows:

ARTICLE 1

Establishment of Series

SECTION 1.01.  Establishment . There is hereby established a new series of senior notes to be issued under the Indenture, to be designated as the Company’s 7.500% Senior Notes due 2018 (the “Securities”).

There are to be authenticated and delivered Securities, initially limited in aggregate principal amount of $750,000,000 and no further Securities shall be authenticated and delivered except as provided by the terms of the Original Indenture and the terms of this First Supplemental Indenture; provided , however , that additional Securities having identical terms and conditions as the Securities other than issue date, the issue price, the date from which interest thereon shall accrue, legends, if any, to be included thereon and the first Interest Payment Date (the “Additional Securities”) may be issued from time to time in the future, without the consent of the Holders of the Securities, in accordance with the provisions of the Indenture. With respect to any Additional Securities, the Company shall set forth in a resolution of the Board of Directors or an Officers’ Certificate, the following information:

(a) the aggregate principal amount of such Additional Securities to be authenticated and delivered pursuant to the Indenture;

(b) the issue date, the issue price, the first Interest Payment Date of such Additional Securities, the date from which interest shall accrue and legends, if any, to be included thereon; and

(c) the CUSIP and ISIN numbers of the Additional Securities.

The Securities and the Additional Securities, if any, shall be considered collectively as a single class for all purposes of the Indenture. Holders of the Securities and the Additional Securities, if any, shall vote and consent together on all matters to which such Holders are entitled to vote or consent as one class, and none of the Holders of the Securities or the Additional Securities, if any, shall have the right to vote or consent as a separate class on any matter to which such Holders are entitled to vote or consent.

The Securities shall be issued in fully registered form without coupons, and only in denominations of $2,000 and larger integral multiples of $1,000. The Securities shall be issued in the form of one or more Global Securities in substantially the form set out in Exhibit A hereto. The initial Depositary with respect to the Securities shall be DTC. Payments in respect of Securities represented by a Global Security (including principal, premium and interest) shall be made by wire transfer of immediately available funds to the accounts specified by DTC.

Each Security shall be dated the date of authentication thereof and shall bear interest from the date of original issuance thereof or from the most recent Interest Payment Date to which interest has been paid or duly provided for.

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The Securities may have notations, legends or endorsements required by law, stock exchange rule or usage or DTC rule or usage in addition to those set forth on Exhibit A . The Company and the Trustee shall approve the forms of the Securities and any notation, endorsement or legend on them, such approval to be evidenced by the execution or authentication, respectively, and delivery of the Securities by the Company or the Trustee, respectively. The terms of the Securities set forth in Exhibit A are part of the terms of the Indenture and, to the extent applicable, the Company and the Trustee, by their execution and delivery of this First Supplemental Indenture, expressly agree to be bound by such terms.

SECTION 1.02.  Rules of Construction . Unless the context otherwise requires:

(1) a term has the meaning assigned to it;

(2) an accounting term not otherwise defined has the meaning assigned to it in accordance with GAAP;

(3) “or” is not exclusive;

(4) “including” means including without limitation;

(5) words in the singular include the plural and words in the plural include the singular;

(6) unsecured Indebtedness shall not be deemed to be subordinate or junior to secured Indebtedness merely by virtue of its nature as unsecured Indebtedness;

(7) secured Indebtedness shall not be deemed to be subordinate or junior to any other secured Indebtedness merely because it has a junior priority with respect to the same collateral;

(8) the principal amount of any noninterest bearing or other discount security at any date shall be the principal amount thereof that would be shown on a balance sheet of the issuer dated such date prepared in accordance with GAAP;

(9) the principal amount of any Preferred Stock shall be (A) the maximum liquidation value of such Preferred Stock or (B) the maximum mandatory redemption or mandatory repurchase price with respect to such Preferred Stock, whichever is greater; and

(10) all references to the date the Securities were originally issued shall refer to the Issue Date.

ARTICLE 2

Definitions and Incorporation by Reference

SECTION 2.01.  Amendments to Definitions . Each capitalized term used but not defined in this First Supplemental Indenture shall have the meaning given to it in the Original Indenture, except that with respect to the Securities (1) the definition of “Commission,” in the Original Indenture is hereby deleted in its entirety and (2) the definitions of “Affiliate,” “GAAP,” and “Stated Maturity,” in the Original Indenture are hereby deleted in their entirety and restated as follows (in alphabetical order):

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“Affiliate” of any specified Person means any other Person, directly or indirectly, controlling or controlled by or under direct or indirect common control with such specified Person. For the purposes of this definition, “control” when used with respect to any Person means the power to direct the management and policies of such Person, directly or indirectly, whether through the ownership of voting securities, by contract or otherwise; and the terms “controlling” and “controlled” have meanings correlative to the foregoing. For purposes of Sections 4.06, 4.08 and 4.09 of this First Supplemental Indenture only, “Affiliate” shall also mean any beneficial owner of Capital Stock representing 20% or more of the total voting power of the Voting Stock (on a fully diluted basis) of the Company or of rights or warrants to purchase such Capital Stock (whether or not currently exercisable) and any Person who would be an Affiliate of any such beneficial owner pursuant to the first sentence hereof.

“GAAP” means generally accepted accounting principles in the United States as in effect as of the Issue Date, including those set forth in:

(1) the opinions and pronouncements of the Accounting Principles Board of the American Institute of Certified Public Accountants;

(2) statements and pronouncements of the Financial Accounting Standards Board; and

(3) such other statements by such other entity as approved by a significant segment of the accounting profession.

“Stated Maturity” means, with respect to any security, the date specified in such security as the fixed date on which the final payment of principal of such security is due and payable, including pursuant to any mandatory redemption provision (but excluding any provision providing for the repurchase of such security at the option of the holder thereof upon the happening of any contingency unless such contingency has occurred).

SECTION 2.02.  New Definitions . The following defined terms used herein with respect to the Securities shall, unless the context otherwise requires, have the meanings specified below.

“Additional Assets” means (1) any property, plant or equipment or other assets (including Capital Stock of a Person engaged in a Related Business) used in a Related Business; (2) the Capital Stock of a Person that becomes a Restricted Subsidiary as a result of the acquisition of such Capital Stock by the Company or another Restricted Subsidiary; or (3) Capital Stock constituting a minority interest in any Person that at such time is a Restricted Subsidiary; provided, however , that any such Restricted Subsidiary described in clause (2) or (3) above is primarily engaged in a Related Business.

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“Adjusted Consolidated Net Tangible Assets” or “ACNTA” means (without duplication), as of the date of determination:

(a) the sum of:

(1) discounted future net revenue from proved crude oil and natural gas reserves of the Company and its Restricted Subsidiaries calculated in accordance with SEC guidelines before any state or federal income taxes, as estimated in a reserve report prepared as of the end of the fiscal year ending at least 40 days prior to the date of determination, which reserve report is prepared or audited by independent petroleum engineers, as increased by, as of the date of determination, the discounted future net revenue calculated in accordance with SEC guidelines (utilizing the prices utilized in such year end reserve report) of:

(A) estimated proved crude oil and natural gas reserves of the Company and its Restricted Subsidiaries attributable to acquisitions consummated since the date of such reserve report, and

(B) estimated crude oil and natural gas reserves of the Company and its Restricted Subsidiaries attributable to extensions, discoveries and other additions and upward determinations of estimates of proved crude oil and natural gas reserves (including previously estimated development costs incurred during the period and the accretion of discount since the prior period end) due to exploration, development or exploitation, production or other activities which reserves were not reflected in such reserve report which would, in accordance with standard industry practice, result in such determinations, in each case calculated in accordance with SEC guidelines (utilizing the prices utilized in such year end reserve report)

and decreased by , as of the date of determination, the discounted future net revenue attributable to:

(C) estimated proved crude oil and natural gas reserves of the Company and its Restricted Subsidiaries reflected in such reserve report produced or disposed of since the date of such reserve report, and

(D) reductions in the estimated oil and natural gas reserves of the Company and its Restricted Subsidiaries reflected in such reserve report since the date of such reserve report attributable to downward determinations of estimates of proved crude oil and natural gas reserves due to exploration, development or exploitation, production or other activities conducted or otherwise occurring since the date of such reserve report which would, in accordance with standard industry practice, result in such determinations, in each case calculated in accordance with SEC guidelines (utilizing the prices utilized in such reserve report);

provided, however , that, in the case of each of the determinations made pursuant to clauses (A) through (D) above, such increases and decreases shall be estimated by the Company’s engineers or by an independent petroleum engineer engaged by the Company for that purpose;

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(2) the capitalized costs that are attributable to crude oil and natural gas properties of the Company and its Restricted Subsidiaries to which no proved crude oil and natural gas reserves are attributed, based on the Company’s books and records as of a date no earlier than the end of the most recent fiscal quarter for which financial statements of the Company have been made publicly available prior to the date of determination;

(3) the Net Working Capital as of the end of the most recent fiscal quarter ending at least 40 days prior to the date of determination; and

(4) the greater of (i) the net book value as of a date no earlier than the end of the most recent fiscal quarter ending at least 40 days prior to the date of determination and (ii) the appraised value, as estimated by independent appraisers (which may be a nationally recognized investment banking firm), of all other tangible assets, including mineral rights held under leases or other contractual arrangements, of the Company and its Restricted Subsidiaries as of a date no earlier than the most recent fiscal year ending at least 40 days prior to the date of determination ( provided, however , that the Company shall not be required to obtain such an appraisal of such assets solely for the purpose of determining this value); minus

(b) to the extent not otherwise taken into account in the immediately preceding clause (a), the sum of

(1) minority interests;

(2) any natural gas balancing liabilities of the Company and its Restricted Subsidiaries reflected in the Company’s latest audited consolidated financial statements;

(3) the discounted future net revenue, calculated in accordance with SEC guidelines (utilizing the same prices utilized in the Company’s year-end reserve report), attributable to reserves subject to participation interests, overriding royalty interests or other interests of third parties, pursuant to participation, partnership, vendor financing or other agreements then in effect, or which otherwise are required to be delivered to third parties;

(4) to the extent included in the immediately preceding clause (a) (1) above, the discounted future net revenue calculated in accordance with SEC guidelines (utilizing the same prices utilized in the Company’s year-end reserve report), attributable to reserves that are required to be delivered to third parties to fully satisfy the obligations of the Company and its Restricted Subsidiaries with respect to Volumetric Production Payments on the schedules specified with respect thereto; and

(5) the discounted future net revenue, calculated in accordance with SEC guidelines, attributable to reserves subject to Dollar Denominated Production Payments that, based on the estimates of production included in determining the discounted future net revenue specified in the immediately preceding clause (a) (1) (utilizing the same prices utilized in the Company’s year-end reserve report), would be necessary to satisfy fully the obligations of the Company and its Restricted Subsidiaries with respect to Dollar Denominated Production Payments on the schedules specified with respect thereto.

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Whether or not the Company uses the successful efforts method of accounting or the full cost (or similar method) method of accounting, ACNTA will be calculated as if the Company were using the full cost (or similar method) method of accounting.

“Adjusted Treasury Rate” means, with respect to any Redemption Date, (i) the yield, under the heading which represents the average for the immediately preceding week, appearing in the most recently published statistical release designated “H.15(519)” or any successor publication which is published weekly by the Board of Governors of the Federal Reserve System and which establishes yields on actively traded United States Treasury securities adjusted to constant maturity under the caption “Treasury Constant Maturities,” for the maturity corresponding to the Comparable Treasury Issue (if no maturity is within three months before or after September 15, 2014, yields for the two published maturities most closely corresponding to the Comparable Treasury Issue shall be determined and the Adjusted Treasury Rate shall be interpolated or extrapolated from such yields on a straight line basis, rounding to the nearest month) or (ii) if such release (or any successor release) is not published during the week preceding the calculation date or does not contain such yields, the rate per year equal to the semi-annual equivalent yield to maturity of the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the Comparable Treasury Price for such Redemption Date, in each case calculated on the third Business Day immediately preceding the Redemption Date, plus 0.50%.

“Applicable Premium” means, with respect to a Security at any Redemption Date, the greater of (i) 1.00% of the principal amount of such Security and (ii) the excess of (A) the present value at such Redemption Date of (1) the redemption price of such Security on September 15, 2014 (such redemption price being described in Section 3.02(c) of this First Supplemental Indenture) plus (2) all required remaining scheduled interest payments due on such Security through September 15, 2014, computed using a discount rate equal to the Adjusted Treasury Rate, over (B) the principal amount of such Security on such Redemption Date.

“Appalachian Area” has the meaning assigned to such term in the Marcellus Joint Development Agreement as in effect on the Marcellus JV Closing Date and as amended or restated thereafter.

“Asset Disposition” means any sale, lease, transfer or other disposition (or series of related sales, leases, transfers or dispositions) by the Company or any Restricted Subsidiary, including any disposition by means of a merger, consolidation or similar transaction (each referred to for the purposes of this definition as a “disposition”), of:

(1) any shares of Capital Stock of a Restricted Subsidiary (other than directors’ qualifying shares or shares required by applicable law to be held by a Person other than the Company or a Restricted Subsidiary);

(2) all or substantially all the assets of any division or line of business of the Company or any Restricted Subsidiary; or

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(3) any other assets of the Company or any Restricted Subsidiary outside of the ordinary course of business of the Company or such Restricted Subsidiary (other than, in the case of clauses (1), (2) and (3) above,

(A) a disposition by a Restricted Subsidiary to the Company or by the Company or a Restricted Subsidiary to a Restricted Subsidiary;

(B) for purposes of Section 4.08 of this First Supplemental Indenture only, (i) a disposition that constitutes a Restricted Payment (or would constitute a Restricted Payment but for the exclusions from the definition thereof) and that is not prohibited by Section 4.06 of this First Supplemental Indenture and (ii) a disposition of all or substantially all the assets of the Company in accordance with Section 5.02 of this First Supplemental Indenture;

(C) a disposition of assets in a single transaction or a series of related transactions with a fair market value of less than $5.0 million;

(D) a disposition of oil, natural gas or other Hydrocarbons or other mineral products in the ordinary course of business of the oil and gas production operations of the Company and its Subsidiaries;

(E) the provision of services, equipment and other assets for the operation and development of the Company’s and its Restricted Subsidiaries’ oil and natural gas wells, in the ordinary course of the Company’s and its Restricted Subsidiaries Oil and Gas Business, notwithstanding that such transactions may be recorded as asset sales in accordance with full cost accounting guidelines;

(F) the sale or other disposition of cash or Temporary Cash Investments; Hedging Obligations or other financial instruments in the ordinary course of business;

(G) the trade or exchange by the Company or any Restricted Subsidiary of any oil or natural gas property or interest therein of the Company or such Restricted Subsidiary for any oil or natural gas property or interest therein of another Person or for the Capital Stock of a Person engaged in the Oil and Gas Business, including any cash or cash equivalents necessary in order to achieve an exchange of equivalent value; provided, however , that the value of the oil or natural gas property or interest therein received by the Company or any Restricted Subsidiary in such trade or exchange (including any cash or cash equivalents) is at least equal to the fair market value (as determined in good faith by the Board of Directors, which determination shall be conclusive evidence of compliance with this provision) of the oil or natural gas property or interest therein or Capital Stock of a Person engaged in the Oil and Gas Business (including any cash or cash equivalents) so traded or exchanged; provided , further , that any Net Available Cash is applied pursuant to the requirements of Section 4.08 of this First Supplemental Indenture;

(H) the creation or perfection of a Lien permitted pursuant to this First Supplemental Indenture and the sale or other disposition of the property subject to such Lien upon foreclosure thereon;

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(I) the sale or transfer (whether or not in the ordinary course of business) of crude oil and natural gas properties or direct or indirect interests in real property; provided , however , that at the time of such sale or transfer such properties do not have associated with them any proved reserves;

(J) the abandonment, farm-out, lease or sublease of developed or undeveloped crude oil and natural gas properties in the ordinary course of business;

(K) the sale or transfer of surplus or obsolete equipment;

(L) any assignment of an overriding royalty or net profits interest to an employee or consultant of the Company or any of its Restricted Subsidiaries in the ordinary course of business in connection with the generation of prospects or the development of oil and natural gas projects;

(M) dispositions of receivables in connection with the compromise, settlement or collection thereof in the ordinary course of business or in bankruptcy or similar proceedings and exclusive of factoring or similar arrangements;

(N) the licensing or sublicensing of intellectual property (including without limitation the licensing of seismic data) or other general intangibles and licenses, leases or subleases of other property in the ordinary course of business which do not materially interfere with the business of the Company and its Restricted Subsidiaries;

(O) the surrender or waiver of contract rights or the settlement, release or surrender of contract, tort or other claims of any kind;

(P) any Production Payments and Reserve Sales;

(Q) any sale of Capital Stock in, or Indebtedness or other securities of, an Unrestricted Subsidiary;

(R) the sale, transfer or assignment by the Company, EXCO PA, EXCO WV or any other Restricted Subsidiary of an undivided interest in Oil and Gas Interests acquired by the Company, EXCO PA, EXCO WV or any other Restricted Subsidiary in the Appalachian Area to the extent required pursuant to and in accordance with the right of first refusal provisions of the Marcellus JV Documents; and

(S) the sale, transfer or assignment by the Company, EOC or any other Restricted Subsidiary of an undivided interest in Oil and Gas Interests acquired by the Company, EOC or any other Restricted Subsidiary in the East Texas/North Louisiana Area to the extent required pursuant to and in accordance with the right of first refusal provisions of the BG Joint Development Agreement.

“Attributable Debt” in respect of a Sale/Leaseback Transaction means, as at the time of determination, the present value (discounted at the interest rate borne by the Securities, compounded annually) of the total obligations of the lessee for rental payments during the remaining term of the lease included in such Sale/Leaseback Transaction (including any period for which such lease has been extended); provided, however , that if such Sale/Leaseback Transaction results in a Capital Lease Obligation, the amount of Indebtedness represented thereby will be determined in accordance with the definition of “Capital Lease Obligation.”

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“Average Life” means, as of the date of determination, with respect to any Indebtedness, the quotient obtained by dividing: (1) the sum of the products of the numbers of years from the date of determination to the dates of each successive scheduled principal payment of or redemption or similar payment with respect to such Indebtedness multiplied by the amount of such payment by (2) the sum of all such payments.

“BGPA” means BG Production Company (PA), LLC, a Delaware limited liability company and its successors and assigns.

“BGWV” means BG Production Company (WV), LLC, a Delaware limited liability company and its successors and assigns.

“BG Development Costs” means the costs and expenses incurred in the conduct of development operations in the East Texas/North Louisiana Area pursuant to the BG JV Documents.

“BG Escrow Account” means that certain escrow account maintained at JPMorgan Chase Bank, N.A. and established by EOC and BG Production for the purpose of maintaining deposits from EOC representing, at any time, the estimated amount of EOC’s share of (x) development and capital costs, plus (y) operating expenses, in each case, as determined in accordance with the terms of the BG Joint Development Agreement.

“BG Gathering” means BG US Gathering Company, LLC, a Delaware limited liability company, and its successors and assigns.

“BG Joint Development Agreement” means that certain Joint Development Agreement, dated as of August 14, 2009, by and among BG Production, EOC and EXCO Production Company, LP, as amended, supplemented or otherwise modified from time to time, pursuant to which the parties thereto entered into a joint development agreement to develop and operate certain oil and gas properties located in the East Texas/North Louisiana Area.

“BG Operating Account” means that certain controlled disbursement operating account maintained at JPMorgan Chase Bank, N.A. and established by EOC and BG Production for the purpose of funding the costs and expenses associated with the development of the East Texas/North Louisiana Area in accordance with the terms of the BG Joint Development Agreement.

“BG Production” means BG US Production Company, LLC, a Delaware limited liability company, and its successors and assigns.

“BG JV Documents” means the BG Joint Development Agreement, the TGGT Holdings LLC Agreement, the TGGT Contribution Agreement and any other documents, instruments, agreements or certificates contemplated by or executed in connection therewith, in each case, as the same may be amended, modified or supplemented from time to time.

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“Capital Lease Obligation” means an obligation that is required to be classified and accounted for as a capital lease for financial reporting purposes in accordance with GAAP, and the amount of Indebtedness represented by such obligation shall be the capitalized amount of such obligation determined in accordance with GAAP; and the Stated Maturity thereof shall be the date of the last payment of rent or any other amount due under such lease prior to the first date upon which such lease may be terminated by the lessee without payment of a penalty. For purposes of Section 4.12 of this First Supplemental Indenture, a Capital Lease Obligation will be deemed to be secured by a Lien on the property being leased.

“Capital Stock” of any Person means any and all shares, interests (including partnership interests), rights to purchase, warrants, options, participations or other equivalents of or interests in (however designated) equity of such Person, including any Preferred Stock, but excluding any debt securities convertible into such equity.

“Cash Management Obligations” means any obligations of the Company or a Subsidiary Guarantor owed to any lender (or any affiliate of any such lender) as permitted under the Credit Agreement in respect of treasury management arrangements, depositary or other cash management services, including commercial credit card and merchant card services.

“Change of Control” means the occurrence of any of the following events:

(1) any “person” (as such term is used in Sections 13(d) and 14(d) of the Exchange Act), other than one or more Permitted Holders, is or becomes the beneficial owner (as defined in Rules 13d-3 and 13d-5 under the Exchange Act, except that for purposes of this clause (1) such person shall be deemed to have “beneficial ownership” of all shares that any such person has the right to acquire, whether such right is exercisable immediately or only after the passage of time), directly or indirectly, of more than 50% of the total voting power of the Voting Stock of the Company; provided, however , that the Permitted Holders beneficially own (as defined above), directly or indirectly, in the aggregate a lesser percentage of the total voting power of the Voting Stock of the Company than such other person and do not have the right or ability by voting power, contract or otherwise to elect or designate for election a majority of the Board of Directors (for purposes of this clause (1), such other person shall be deemed to beneficially own any Voting Stock of a specified person held by a parent entity, if such other person is the beneficial owner (as defined in Rules 13d-3 and 13d-5 under the Exchange Act), directly or indirectly, of more than 50% of the voting power of the Voting Stock of such parent entity and the Permitted Holders beneficially own (as defined in this proviso), directly or indirectly, in the aggregate a lesser percentage of the voting power of the Voting Stock of such parent entity and do not have the right or ability by voting power, contract or otherwise to elect or designate for election a majority of the board of directors of such parent entity);

(2) individuals who on the Issue Date constituted the Board of Directors of the Company (together with any new directors whose election by such Board of Directors of the Company or whose nomination for election by the shareholders of the Company was approved by a vote of a majority of the directors of the Company then still in office who were either directors on the Issue Date or whose election or nomination for election was previously so approved) cease for any reason to constitute a majority of the Board of Directors of the Company then in office;

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(3) the adoption of a plan relating to the liquidation or dissolution of the Company; or

(4) the merger or consolidation of the Company with or into another Person or the merger of another Person with or into the Company, or the sale of all or substantially all the assets of the Company (determined on a consolidated basis) to another Person other than (A) a transaction in which the survivor or transferee is a Person that is controlled by the Permitted Holders or (B) a transaction following which (i) in the case of a merger or consolidation transaction, holders of securities that represented 100% of the Voting Stock of the Company immediately prior to such transaction (or other securities into which such securities are converted as part of such merger or consolidation transaction) own directly or indirectly at least a majority of the voting power of the Voting Stock of the surviving Person in such merger or consolidation transaction immediately after such transaction and (ii) in the case of a sale of assets transaction, each transferee becomes an obligor in respect of the Securities and a Subsidiary of the transferor of such assets.

“Change of Control Repurchase Event” means the occurrence of both a Change of Control and a Rating Event.

“Code” means the Internal Revenue Code of 1986, as amended.

“Company” means the party named as such in this First Supplemental Indenture until a successor replaces it and, thereafter, means the successor and, for purposes of any provision contained herein and required by the Trust Indenture Act, each other obligor on the Securities.

“Comparable Treasury Issue” means the United States Treasury security selected by the Quotation Agent as having a maturity comparable to the remaining term from the Redemption Date to September 15, 2014, that would be utilized, at the time of selection and in accordance with customary financial practice, in pricing new issues of corporate debt securities of a maturity most nearly equal to September 15, 2014.

“Comparable Treasury Price” means, with respect to any Redemption Date, if clause (ii) of the Adjusted Treasury Rate is applicable, the average of three, or such lesser number as is obtained by the Trustee, Reference Treasury Dealer Quotations for such Redemption Date.

“Consolidated Coverage Ratio” as of any date of determination means the ratio of

(1) the aggregate amount of EBITDA for the period of the most recent four consecutive fiscal quarters ending at least 40 days prior to the date of such determination to

(2) Consolidated Interest Expense for such four fiscal quarters;

provided, however , that

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(A) if the Company or any Restricted Subsidiary has Incurred any Indebtedness since the beginning of such period that remains outstanding or if the transaction giving rise to the need to calculate the Consolidated Coverage Ratio is an Incurrence of Indebtedness, or both, EBITDA and Consolidated Interest Expense for such period shall be calculated after giving effect on a pro forma basis to such Indebtedness as if such Indebtedness had been Incurred on the first day of such period;

(B) if the Company or any Restricted Subsidiary has repaid, repurchased, defeased or otherwise discharged any Indebtedness since the beginning of such period or if any Indebtedness is to be repaid, repurchased, defeased or otherwise discharged (in each case other than Indebtedness Incurred under any revolving credit facility unless such Indebtedness has been permanently repaid and has not been replaced) on the date of the transaction giving rise to the need to calculate the Consolidated Coverage Ratio, EBITDA and Consolidated Interest Expense for such period shall be calculated on a pro forma basis as if such discharge had occurred on the first day of such period and as if the Company or such Restricted Subsidiary has not earned the interest income actually earned during such period in respect of cash or Temporary Cash Investments used to repay, repurchase, defease or otherwise discharge such Indebtedness;

(C) if since the beginning of such period the Company or any Restricted Subsidiary shall have made any Asset Disposition, EBITDA for such period shall be reduced by an amount equal to EBITDA (if positive) directly attributable to the assets which are the subject of such Asset Disposition for such period, or increased by an amount equal to EBITDA (if negative), directly attributable thereto for such period and Consolidated Interest Expense for such period shall be reduced by an amount equal to the Consolidated Interest Expense directly attributable to any Indebtedness of the Company or any Restricted Subsidiary repaid, repurchased, defeased or otherwise discharged with respect to the Company and the continuing Restricted Subsidiaries in connection with such Asset Disposition for such period (or, if the Capital Stock of any Restricted Subsidiary is sold, the Consolidated Interest Expense for such period directly attributable to the Indebtedness of such Restricted Subsidiary to the extent the Company and the continuing Restricted Subsidiaries are no longer liable for such Indebtedness after such sale);

(D) if since the beginning of such period the Company or any Restricted Subsidiary (by merger or otherwise) shall have made an Investment in any Restricted Subsidiary (or any Person which becomes a Restricted Subsidiary) or an acquisition, including any acquisition of assets occurring in connection with a transaction requiring a calculation to be made, which constitutes all or substantially all of an operating unit of a business, EBITDA and Consolidated Interest Expense for such period shall be calculated after giving pro forma effect thereto (including the Incurrence of any Indebtedness) as if such Investment or acquisition occurred on the first day of such period;

(E) if since the beginning of such period any Person (that subsequently became a Restricted Subsidiary or was merged with or into the Company or any Restricted Subsidiary since the beginning of such period) shall have made any Asset Disposition, any Investment or acquisition of assets that would have required an adjustment pursuant to clause (C) or (D) above if made by the Company or a Restricted Subsidiary during such period, EBITDA and Consolidated Interest Expense for such period shall be calculated after giving pro forma effect thereto as if such Asset Disposition, Investment or acquisition occurred on the first day of such period; and

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(F) interest income reasonably anticipated by such Person to be received during the applicable four-quarter period from cash or Temporary Cash Investments held by such Person or any Restricted Subsidiary of such Person, which cash or Temporary Cash Investments exist on the date of determination or will exist as a result of the transaction giving rise to the need to calculate the Consolidated Coverage Ratio, will be included.

For purposes of this definition, whenever pro forma effect is to be given to an acquisition of assets, the amount of income or earnings relating thereto and the amount of Consolidated Interest Expense associated with any Indebtedness Incurred in connection therewith, the pro forma calculations shall be determined in good faith by a responsible financial or accounting Officer of the Company. If any Indebtedness bears a floating rate of interest and is being given pro forma effect, the interest on such Indebtedness shall be calculated as if the rate in effect on the date of determination had been the applicable rate for the entire period (taking into account any Interest Rate Agreement applicable to such Indebtedness, but if the remaining term of such Interest Rate Agreement is less than 12 months, then such Interest Rate Agreement shall only be taken into account for that portion of the period equal to the remaining term thereof).

If any Indebtedness is incurred under a revolving credit facility and is being given pro forma effect, the interest on such Indebtedness shall be calculated based on the average daily balance of such Indebtedness for the four fiscal quarters subject to the pro forma calculation to the extent that such Indebtedness was incurred solely for working capital purposes.

“Consolidated Interest Expense” means, for any period, the total interest expense of the Company and the consolidated Restricted Subsidiaries, plus, to the extent not included in such total interest expense, and to the extent incurred by the Company or the Restricted Subsidiaries, without duplication,

(1) interest expense attributable to Capital Lease Obligations;

(2) amortization of debt discount and debt issuance cost;

(3) capitalized interest;

(4) non-cash interest expense;

(5) commissions, discounts and other fees and charges owed with respect to letters of credit and bankers’ acceptance financing;

(6) net payments pursuant to Currency Agreements and Interest Rate Agreements;

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(7) dividends accrued in respect of all Preferred Stock held by Persons other than the Company or a Wholly Owned Subsidiary (other than dividends payable solely in Capital Stock (other than Disqualified Stock) of the Company);

(8) interest incurred in connection with Investments in discontinued operations;

(9) interest actually paid by the Company or any such Restricted Subsidiary under any Guarantee of Indebtedness or other obligation of any Person; and

(10) the cash contributions to any employee stock ownership plan or similar trust to the extent such contributions are used by such plan or trust to pay interest or fees to any Person (other than the Company) in connection with Indebtedness Incurred by such plan or trust.

Notwithstanding the foregoing, there shall be excluded from Consolidated Interest Expense (A) Consolidated Interest Expense with respect to any Production Payments to the extent such Production Payments are excluded from the definition of “Indebtedness” and (B) noncash interest expense Incurred in connection with interest rate caps and other interest rate and currency options that, at the time entered into, resulted in the Company and its Restricted Subsidiaries being either neutral or net payors as to future payouts under such caps or options.

“Consolidated Net Income” means, for any period, the net income of the Company and its consolidated Subsidiaries; provided, however , that there shall not be included in such Consolidated Net Income the following items, in each case adjusted for income taxes, using the Company’s estimated income tax rate for the applicable period, attributable to such items excluded from Consolidated Net Income:

(1) any net income of any Person (other than the Company) if such Person is not a Restricted Subsidiary, except that

(A) subject to the exclusion contained in clause (5) below, the Company’s equity in the net income of any such Person for such period shall be included in such Consolidated Net Income up to the aggregate amount of cash actually distributed by such Person during such period to the Company or a Restricted Subsidiary as a dividend or other distribution (subject, in the case of a dividend or other distribution paid to a Restricted Subsidiary, to the limitations contained in clause (3) below); and

(B) the Company’s equity in a net loss of any such Person for such period shall be included in determining such Consolidated Net Income;

(2) any net income (or loss) of any Person acquired by the Company or a Subsidiary in a pooling of interests transaction (or any transaction accounted for in a manner similar to a pooling of interests) for any period prior to the date of such acquisition;

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(3) any net income of any Restricted Subsidiary if such Restricted Subsidiary is subject to restrictions, directly or indirectly, on the payment of dividends or the making of distributions by such Restricted Subsidiary, directly or indirectly, to the Company, except that

(A) subject to the exclusion contained in clause (5) below, the Company’s equity in the net income of any such Restricted Subsidiary for such period shall be included in such Consolidated Net Income up to the aggregate amount of cash actually distributed (or, if greater, for purposes of calculation of the Consolidated Coverage Ratio only, permitted at the date of determination to be distributed) by such Restricted Subsidiary during such period to the Company or another Restricted Subsidiary as a dividend or other distribution (subject, in the case of a dividend or other distribution paid to another Restricted Subsidiary, to the limitation contained in this clause); and

(B) the Company’s equity in a net loss of any such Restricted Subsidiary for such period shall be included in determining such Consolidated Net Income;

(4) any gain (or loss) realized upon the sale or other disposition of any assets of the Company, its consolidated Subsidiaries or any other Person (including pursuant to any sale-and-leaseback arrangement) which are not sold or otherwise disposed of in the ordinary course of business and any gain (or loss) realized upon the sale or other disposition of any Capital Stock of any Person;

(5) any impairment losses on oil and natural gas properties;

(6) extraordinary gains or losses;

(7) any unrealized non cash gains or losses or charges in respect of Hedging Obligations (including those resulting from the application of ASC815);

(8) any non cash compensation charge arising from any grant of stock, stock options or other equity based awards;

(9) any income from assets or businesses classified as discontinued operations;

(10) the cumulative effect of a change in accounting principles; and

(11) to the extent deducted in the calculation of Consolidated Net Income, any non-cash or nonrecurring charges relating to any premium or penalty paid, write-off of deferred financing costs or other financial recapitalization charges in connection with redeeming or retiring any Indebtedness prior to its Stated Maturity will be excluded;

in each case, for such period. Notwithstanding the foregoing, for the purpose of Section 4.06 of this First Supplemental Indenture only (but not the calculation of the Consolidated Coverage Ratio for purposes of determining compliance with such covenant), there shall be excluded from Consolidated Net Income any repurchases, repayments or redemptions of Investments, proceeds realized on the sale of Investments or return of capital to the Company or a Restricted Subsidiary to the extent such repurchases, repayments, redemptions, proceeds or returns increase the amount of Restricted Payments permitted under such Section pursuant to Section 4.06(a)(3)(D) of this First Supplemental Indenture.

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“Consolidated Net Worth” means the total of the amounts shown on the balance sheet of the Company and its consolidated Restricted Subsidiaries determined on a consolidated basis in accordance with GAAP as of the end of the most recent fiscal quarter for which internal financial statements are available prior to the taking of any action for the purpose of which the determination is being made, as the sum of:

(1) the par or stated value of all the Company’s outstanding Capital Stock, plus

(2) paid-in capital and capital surplus relating to such Capital Stock, plus

(3) any retained earrings or earned surplus less (A) any accumulated deficit, and (B) any amounts attributable to Disqualified Stock.

“Credit Agreement” means the Credit Agreement, dated as of April 30, 2010 by and among the Company, as borrower, certain of its subsidiaries, as guarantors, JPMorgan Chase Bank, N.A., as administrative agent, J.P. Morgan Securities LLC, as sole bookrunner and co-lead arranger, Wells Fargo Securities, LLC, as co-lead arranger, Bank of America, N.A. and BNP Paribas, as co-lead arrangers and co-syndication agents, Royal Bank of Canada, as co-lead arranger and co-documentation agent, Wells Fargo Bank, National Association, as co-documentation agent, and the lenders named therein, together with the related documents thereto (including the term loans and revolving loans thereunder, any guarantees and security documents), as amended, extended, renewed, restated, supplemented or otherwise modified (in whole or in part, and without limitation as to amount, terms, conditions, covenants and other provisions, including increasing the amount of available borrowings thereunder or adding Subsidiaries of the Company as additional borrowers or guarantors thereunder) from time to time, and any agreement (and related document) governing Indebtedness incurred to Refinance but without limitation as to borrowers or guarantors, in whole or in part, the borrowings and commitments then outstanding or permitted to be outstanding under such Credit Agreement or a successor Credit Agreement, whether by the same or any other lender or group of lenders.

“Credit Facilities” means with respect to the Company or any Restricted Subsidiary, one or more debt facilities (including the Credit Agreement), or commercial paper facilities with banks, investment banks, insurance companies, mutual or other institutional lenders or investors providing for revolving credit loans, term loans, production payments, receivables financing (including through the sale of receivables to such lenders or to special purpose entities formed to borrow from such lenders against such receivables) or letters of credit, in each case, as amended, restated, modified, renewed, refunded, replaced or refinanced in whole or in part from time to time.

“Currency Agreement” means any foreign exchange contract, currency swap agreement or other similar agreement with respect to currency values.

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“Default” means any event which is, or after notice or passage of time or both would be, an Event of Default.

“De Minimis Guaranteed Amount” means a principal amount of Indebtedness that does not exceed $5.0 million.

“Disqualified Stock” means, with respect to any Person, any Capital Stock which by its terms (or by the terms of any security into which it is convertible or for which it is exchangeable at the option of the holder) or upon the happening of any event:

(1) matures or is mandatorily redeemable (other than redeemable only for Capital Stock of such Person which is not itself Disqualified Stock) pursuant to a sinking fund obligation or otherwise;

(2) is convertible or exchangeable at the option of the holder for Indebtedness or Disqualified Stock; or

(3) is mandatorily redeemable or must be purchased upon the occurrence of certain events or otherwise, in whole or in part;

in each case on or prior to the 91st day after the Stated Maturity of the Securities; provided, however , that any Capital Stock that would not constitute Disqualified Stock but for provisions thereof giving holders thereof the right to require such Person to purchase or redeem such Capital Stock upon the occurrence of an “asset sale” or “change of control” occurring prior to the 91st day after the Stated Maturity of the Securities shall not constitute Disqualified Stock if (A) the “asset sale” or “change of control” provisions applicable to such Capital Stock are not more favorable to the holders of such Capital Stock than the terms applicable to the Securities in Sections 4.08 and 4.11 of this First Supplemental Indenture and (B) any such requirement only becomes operative after compliance with such terms applicable to the Securities, including the purchase of any Securities tendered pursuant thereto.

The amount of any Disqualified Stock that does not have a fixed redemption, repayment or repurchase price will be calculated in accordance with the terms of such Disqualified Stock as if such Disqualified Stock were redeemed, repaid or repurchased on any date on which the amount of such Disqualified Stock is to be determined pursuant to the Indenture; provided, however , that if such Disqualified Stock could not be required to be redeemed, repaid or repurchased at the time of such determination, the redemption, repayment or repurchase price will be the book value of such Disqualified Stock as reflected in the most recent financial statements of such Person.

“Dollar Denominated Production Payments” means production payment obligations recorded as liabilities in accordance with GAAP, together with all undertakings and obligations in connection therewith.

“DTC” means The Depository Trust Company, its nominees and their respective successors and assigns, or such other depository institution hereinafter appointed by the Company.

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“East Texas/North Louisiana Area” has the meaning assigned to such term in the BG Joint Development Agreement as in effect on the Issue Date and as amended or restated thereafter.

“EBITDA” for any period means the sum of Consolidated Net Income, plus the following to the extent deducted in calculating such Consolidated Net Income:

(1) all income tax expense of the Company and the consolidated Restricted Subsidiaries;

(2) Consolidated Interest Expense;

(3) depreciation, depletion, exploration and amortization expense of the Company and the consolidated Restricted Subsidiaries (excluding amortization of expenses attributable to a prepaid operating activity item that was paid in cash in a prior period);

(4) all other non-cash charges of the Company and the consolidated Restricted Subsidiaries (excluding any such non-cash charge to the extent that it represents an accrual of or reserve for cash expenditures in any future period other than non-cash charges resulting from the application of Financial Accounting Standards Board Accounting Standards Codification Subtopic 410-20 for Asset Retirement Obligations); and

(5) unrealized foreign exchange losses;

in each case for such period, and less, to the extent included in calculating such Consolidated Net Income and in excess of any costs or expenses attributable thereto and deducted in calculating such Consolidated Net Income, the sum of:

(A) the amount of deferred revenues that are amortized during such period and are attributable to reserves that are subject to Volumetric Production Payments; and

(B) amounts recorded in accordance with GAAP as repayments of principal and interest pursuant to Dollar Denominated Production Payments.

Notwithstanding the foregoing, the provision for taxes based on the income or profits of, and the depreciation and amortization and non-cash charges of, a Restricted Subsidiary shall be added to Consolidated Net Income to compute EBITDA only to the extent (and in the same proportion, including by reason of minority interests) that the net income or loss of such Restricted Subsidiary was included in calculating Consolidated Net Income and only if a corresponding amount would be permitted at the date of determination to be dividended to the Company by such Restricted Subsidiary without prior approval (that has not been obtained), pursuant to the terms of its charter and all agreements, instruments, judgments, decrees, orders, statutes, rules and governmental regulations applicable to such Restricted Subsidiary or its stockholders.

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“EOC” means EXCO Operating Company, LP, a Delaware limited partnership and its successors and permitted assigns.

“Equity Offering” means a public or private sale of common stock of the Company (other than to the Company or a Subsidiary of the Company) or any contribution to the common equity capital of the Company.

“EXCO PA” means EXCO Production Company (PA), LLC, a Pennsylvanian limited liability company, and its successors and assigns.

“EXCO Water” means EXCO Water Resources, LLC, a Delaware limited liability company, and its successors and assigns.

“EXCO WV” means EXCO Production Company (WV), LLC, a West Virginian limited liability company, and its successors and assigns.

“Farm-In Agreement” means an agreement whereby a Person agrees to pay all or a share of the drilling, completion or other expenses of an exploratory or development well (which agreement may be subject to a maximum payment obligation, after which expenses are shared in accordance with the working or participation interest therein or in accordance with the agreement of the parties) or perform the drilling, completion or other operation on such well in exchange for an ownership interest in an oil or gas property.

“Farm-Out Agreement” means a Farm-In Agreement, viewed from the standpoint of the party that transfers an ownership interest to another.

“Foreign Subsidiary” means any Restricted Subsidiary of the Company that is not organized under the laws of the United States or any State thereof or the District of Columbia.

“Guarantee” means any obligation, contingent or otherwise, of any Person directly or indirectly guaranteeing any Indebtedness of any Person and any obligation, direct or indirect, contingent or otherwise, of such Person:

(1) to purchase or pay (or advance or supply funds for the purchase or payment of) such Indebtedness of such Person (whether arising by virtue of partnership arrangements, or by agreements to keep-well, to purchase assets, goods, securities or services, to take-or-pay or to maintain financial statement conditions or otherwise); or

(2) entered into for the purpose of assuring in any other manner the obligee of such Indebtedness of the payment thereof or to protect such obligee against loss in respect thereof (in whole or in part);

provided, however , that the term “Guarantee” shall not include endorsements for collection or deposit in the ordinary course of business. The term “Guarantee” used as a verb has a corresponding meaning. The term “Guarantor” shall mean any Person Guaranteeing any obligation.

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“Guaranty Agreement” means a supplemental indenture, in a form satisfactory to the Trustee, pursuant to which a Subsidiary Guarantor guarantees the Company’s obligations with respect to the Securities on the terms provided for in the Indenture.

“Hedging Obligations” of any Person means the obligations of such Person pursuant to any Oil and Natural Gas Hedging Contract, Interest Rate Agreement or Currency Agreement.

“Hydrocarbons” means all crude oil and condensate and Natural Gas produced from or attributable to the Oil and Gas Interests of the Company and each Subsidiary Guarantor.

“Incur” means issue, assume, Guarantee, incur or otherwise become liable for; provided, however , that any Indebtedness of a Person existing at the time such Person becomes a Restricted Subsidiary (whether by merger, consolidation, acquisition or otherwise) shall be deemed to be Incurred by such Person at the time it becomes a Restricted Subsidiary. Notwithstanding the foregoing proviso, any Indebtedness that is extinguished, retired or repaid in connection with a Person merging with or becoming a Subsidiary of a Restricted Subsidiary will not be deemed to be the Incurrence of Indebtedness. The term “Incurrence” when used as a noun shall have a correlative meaning.

Solely for purposes of determining compliance with Section 4.05 of this First Supplemental Indenture:

(1) amortization of debt discount or the accretion of principal with respect to a non-interest bearing or other discount security;

(2) the payment of regularly scheduled interest in the form of additional Indebtedness of the same instrument or the payment of regularly scheduled dividends on Capital Stock in the form of additional Capital Stock of the same class and with the same terms;

(3) the obligation to pay a premium in respect of Indebtedness arising in connection with the issuance of a notice of redemption or making of a mandatory offer to purchase such Indebtedness; and

(4) unrealized losses or charges in respect of Hedging Obligations (including those resulting from the application of ASC815);

will not be deemed to be the Incurrence of Indebtedness.

“Indebtedness” means, with respect to any Person on any date of determination (without duplication):

(1) the principal in respect of (A) indebtedness of such Person for money borrowed and (B) indebtedness evidenced by notes, debentures, bonds or other similar instruments for the payment of which such Person is responsible or liable, including, in each case, any premium on such indebtedness to the extent such premium has become due and payable;

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(2) all Capital Lease Obligations of such Person and all Attributable Debt in respect of Sale/Leaseback Transactions entered into by such Person;

(3) all obligations of such Person issued or assumed as the deferred purchase price of property, all conditional sale obligations of such Person and all obligations of such Person under any title retention agreement (but excluding trade accounts payable arising in the ordinary course of business);

(4) all obligations of such Person for the reimbursement of any obligor on any letter of credit, bankers’ acceptance or similar credit transaction (other than obligations with respect to letters of credit securing obligations (other than obligations described in clauses (1) through (3) above) entered into in the ordinary course of business of such Person to the extent such letters of credit are not drawn upon or, if and to the extent drawn upon, such drawing is reimbursed no later than the tenth Business Day following payment on the letter of credit);

(5) the amount of all obligations of such Person with respect to the redemption, repayment or other repurchase of any Disqualified Stock of such Person or, with respect to any Subsidiary of such Person, the amount of all obligations of such Subsidiary with respect to any Preferred Stock of such Subsidiary, the principal amount of such Disqualified Stock or Preferred Stock to be determined in accordance with this First Supplemental Indenture;

(6) all obligations of the type referred to in clauses (1) through (5) above of other Persons and all dividends of other Persons for the payment of which, in either case, such Person is responsible or liable, directly or indirectly, as obligor, guarantor or otherwise, including by means of any Guarantee;

(7) all obligations of the type referred to in clauses (1) through (6) above of other Persons secured by any Lien on any property or asset of such Person (whether or not such obligation is assumed by such Person), the amount of such obligation being deemed to be the lesser of the value of such property or assets and the amount of the obligation so secured;

(8) to the extent not otherwise included in this definition, Hedging Obligations of such Person; and

(9) any Guarantee by such Person of production or payment with respect to a Production Payment.

Except as expressly provided in clause (9) above, Production Payments and Reserve Sales shall not constitute “Indebtedness.”

Notwithstanding the foregoing, in connection with the purchase by the Company or any Restricted Subsidiary of any business or assets, the term “Indebtedness” will exclude post-closing payment adjustments to which the seller may become entitled to the extent such payment is determined by a final closing balance sheet or such payment depends on the performance of such business or assets after the closing; provided, however , that, at the time of closing, the amount of any such payment is not determinable and, to the extent such payment thereafter becomes fixed and determined, the amount is paid within 30 days thereafter.

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The amount of Indebtedness of any Person at any date shall be the outstanding balance at such date of all obligations as described above; provided, however , that in the case of Indebtedness sold at a discount, the amount of such Indebtedness at any time will be the accreted value thereof at such time.

“Independent Qualified Party” means an investment banking firm, accounting firm or appraisal firm of national standing; provided, however , that such firm is not an Affiliate of the Company.

“Interest Rate Agreement” means any interest rate swap agreement, interest rate cap agreement or other financial agreement or arrangement with respect to exposure to interest rates.

“Investment” in any Person means any direct or indirect advance, loan (other than advances to customers in the ordinary course of business that are recorded as accounts receivable on the balance sheet of the lender) or other extensions of credit (including by way of Guarantee or similar arrangement) or capital contribution to (by means of any transfer of cash or other property to others or any payment for property or services for the account or use of others), or any purchase or acquisition of Capital Stock, Indebtedness or other similar instruments issued by such Person. If the Company or any Restricted Subsidiary issues, sells or otherwise disposes of any Capital Stock of a Person that is a Restricted Subsidiary such that, after giving effect thereto, such Person is no longer a Restricted Subsidiary, the Company or any Restricted Subsidiary shall be deemed to have made an Investment on the date of such issuance, sale or other disposition equal to the fair market value of the Capital Stock of such Restricted Subsidiary not sold or disposed of or, if less, the value of the Investment when made by the Company or such Restricted Subsidiary in the portion of such Person represented by such Capital Stock. The acquisition by the Company or any Restricted Subsidiary of a Person that holds an Investment in a third Person will be deemed to be an Investment by the Company or such Restricted Subsidiary in such third Person at such time. Except as otherwise provided for herein, the amount of an Investment shall be its fair market value at the time the Investment is made and without giving effect to subsequent changes in value.

For purposes of the definition of “Unrestricted Subsidiary”, the definition of “Restricted Payment” and Section 4.06 of this First Supplemental Indenture:

(1) “Investment” shall include the portion (proportionate to the Company’s equity interest in such Subsidiary) of the fair market value of the net assets of any Subsidiary of the Company at the time that such Subsidiary is designated an Unrestricted Subsidiary; and

(2) any property transferred to or from an Unrestricted Subsidiary shall be valued at its fair market value at the time of such transfer, in each case as determined in good faith by the Board of Directors.

“Investment Grade Rating” means a rating equal to or higher than Baa3 (or the equivalent) by Moody’s, or BBB (or the equivalent) by Standard & Poor’s, or, if neither Moody’s nor Standard & Poor’s provide credit ratings of debt securities, the equivalent investment grade rate from any other Rating Agency.

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“IPC Water Supply Agreement” means that certain Agreement for Water Supply, dated effective as of March 1, 2010, between International Paper Company and EXCO Water, as amended, restated, supplemented or otherwise modified from time to time.

“Issue Date” means September 15, 2010.

“Legal Holiday” means a Saturday, a Sunday or a day on which banking institutions are not required to be open in the State of New York.

“Lien” means any mortgage, pledge, security interest, encumbrance, lien or charge of any kind (including any conditional sale or other title retention agreement or lease in the nature thereof).

“Marcellus Development Costs” means the costs and expenses incurred in the conduct of development operations in the Appalachian Area pursuant to the Marcellus JV Documents.

“Marcellus Holding Companies” BG Production Company (PA), LLC and BG Production Company (WV), LLC, each a wholly owned subsidiary of the Marcellus JV Partner and each formed in connection with the Marcellus Joint Development Agreement to facilitate the transfer of an undivided 49.75% interest in the Marcellus JV Oil and Gas Assets to the Marcellus JV Partner.

“Marcellus Joint Development Agreement” means that certain Joint Development Agreement dated as of June 1, 2010, among BGPA, BGWV, the Marcellus Holding Companies and the Marcellus JV Operator to develop and operate the Marcellus JV Oil and Gas Assets with respect to the Marcellus Joint Venture; as such Joint Development Agreement may thereafter be amended, supplemented or otherwise modified from time to time.

“Marcellus JV Closing Date” means June 1, 2010.

“Marcellus JV Documents” means the Marcellus Joint Development Agreement, the Marcellus Operator LLC Agreement, the Marcellus Midstream LLC Agreement, the Marcellus Transfer Agreement and any other documents, instruments, agreements or certificates contemplated by, or executed in connection with, the Marcellus Joint Development Agreement, in each case, as the same may be amended, modified or supplemented from time to time.

“Marcellus JV Oil and Gas Assets” has the meaning assigned to the term “Subject Oil and Gas Assets” in the Marcellus Joint Development Agreement.

“Marcellus JV Operator” means EXCO Resources (PA), LLC, a Delaware limited liability company, and its successors and assigns, the operator of the Marcellus JV Oil and Gas Assets located in the Appalachian Area.

“Marcellus JV Partner” means BG US Production Company, LLC , a Delaware limited liability company.

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“Marcellus Midstream Assets” means the gas gathering and pipeline systems and related facilities associated with the Marcellus Shale portion of the Marcellus JV Oil and Gas Assets.

“Marcellus Midstream LLC Agreement” means that certain Second Amended and Restated Limited Liability Company Agreement of Marcellus Midstream Owner, dated as of June 1, 2010, as such Limited Liability Company Agreement may thereafter be amended, supplemented or otherwise modified from time to time.

“Marcellus Midstream Owner” means Appalachia Midstream, LLC, owner of the Marcellus Midstream Assets.

“Marcellus Operator LLC Agreement” means that certain Amended and Restated Limited Liability Company Agreement of the Marcellus JV Operator; dated as of June 1, 2010, as such may thereafter be amended, supplemented or otherwise modified from time to time.

“Marcellus Shale” means (a) with respect to the Commonwealth of Pennsylvania, those subsurface depths that are below the base of (but excluding) the Haskill Sandstone Formation (Base of Elk Sequence) formation at a measured depth of 2,758’, as identified by the Litho Density Compensated Neutron Array Induction Temperature Log dated June 7, 2005 of the Seneca Resources operated Fee PGS SGL No. 44 (API 37-047-23649) located in Elk County, Pennsylvania, (b) with respect to the State of West Virginia, those subsurface depths that are below the base of (but excluding) the Brallier Formation (Base of Elk Sequence) formation at a measured depth of 6,612’, as identified by the Litho Density Compensated Neutron Array Induction Temperature Log dated October 8, 2008 of the EXCO—North Coast Energy, Inc. operated Wentz 4HS (API 47-001-02982) located in Barbour County, West Virginia, recognizing that actual depths may vary, and (c) with respect to the State of New York, those subsurface depths that are below the base of (but excluding) the Genesee Formation at a measured depth of 2,548’, as identified by the Density/Neutron, Gamma/Temperature Log dated May 6, 2005 of the Fortuna Energy, Inc. operated Cotton-Hanlon #1 well (API 31-107-23185) located in Tioga County, New York.

“Marcellus Transfer Agreement” means that certain Membership Interest Transfer Agreement dated as of May 9, 2010, by an between EXCO Holding (PA), Inc. and the Marcellus JV Partner pursuant to which EXCO Holding (PA), Inc. transferred to the Marcellus JV Partner (a) 100% of the equity interests of the Marcellus Holding Companies and (b) 50% of the equity interests of each of the Marcellus JV Operator and the Marcellus Midstream Owner.

“Moody’s” means Moody’s Investors Service, Inc. and any successor to its rating agency business.

“Natural Gas” means all natural gas, distillate or sulphur, natural gas liquids and all products recovered in the processing of natural gas (other than condensate) including, without limitation, natural gasoline, coalbed methane gas, casinghead gas, iso-butane, normal butane, propane and ethane (including such methane allowable in commercial ethane).

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“Net Available Cash” from an Asset Disposition means cash payments received therefrom, including any cash payments received by way of deferred payment of principal pursuant to a note or installment receivable or otherwise and cash proceeds from the sale or other disposition of any non-cash consideration received as consideration, but only as and when received, but excluding any other consideration received in the form of assumption by the acquiring Person of Indebtedness or other obligations relating to such properties, in each case net of (without duplication):

(1) all legal, title and recording tax expenses, commissions and other fees and expenses incurred, including without limitation, all attorney’s fees, accountants’ fees, advisors’ or other consultants’ fees and other fees actually incurred in connection therewith, and all Federal, state, provincial, foreign and local taxes required to be accrued as a liability under GAAP, as a consequence of such Asset Disposition;

(2) all payments made on any Indebtedness which is secured by any assets subject to such Asset Disposition, in accordance with the terms of any Lien upon or other security agreement of any kind with respect to such assets, or which must by its terms, or in order to obtain a necessary consent to such Asset Disposition, or by applicable law, be repaid out of the proceeds from such Asset Disposition;

(3) all distributions and other payments required to be made to minority interest holders in Restricted Subsidiaries as a result of such Asset Disposition;

(4) the deduction of appropriate amounts provided by the seller as a reserve, in accordance with GAAP, against any liabilities associated with the property or other assets disposed in such Asset Disposition and retained by the Company or any Restricted Subsidiary after such Asset Disposition; and

(5) any portion of the purchase price from an Asset Disposition placed in escrow, whether as a reserve for adjustment of the purchase price, for satisfaction of indemnities in respect of such Asset Disposition or otherwise in connection with that Asset Disposition; provided, however , that upon the termination of that escrow, Net Available Cash will be increased by any portion of funds in the escrow that are released to the Company or any Restricted Subsidiary.

“Net Cash Proceeds”, with respect to any issuance or sale of Capital Stock or Indebtedness, means the cash proceeds of such issuance or sale net of attorneys’ fees, accountants’ fees, underwriters’ or placement agents’ fees, discounts or commissions and brokerage, consultant and other fees actually incurred in connection with such issuance or sale and net of taxes paid or payable as a result thereof.

“Net Working Capital” of the Company means:

(1) all current assets of the Company and its Restricted Subsidiaries, except current assets from commodity price risk management activities arising in the ordinary course of business; minus

(2) all current liabilities of the Company and its Restricted Subsidiaries, except current liabilities included in Indebtedness and current liabilities from commodity price risk management activities arising in the ordinary course of business, determined in accordance with GAAP.

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“Non-Recourse Purchase Money Indebtedness” means Indebtedness (other than Capital Lease Obligations) of the Company or any Subsidiary Guarantor incurred in connection with the acquisition by the Company or such Subsidiary Guarantor in the ordinary course of business of fixed assets used in the Oil and Gas Business (including office buildings and other real property used by the Company or such Subsidiary Guarantor in conducting its operations) with respect to which:

(1) the holders of such Indebtedness agree that they will look solely to the fixed assets so acquired which secure such Indebtedness, and neither the Company nor any Restricted Subsidiary (a) is directly or indirectly liable for such Indebtedness or (b) provides credit support, including any undertaking, Guarantee, agreement or instrument that would constitute Indebtedness (other than the grant of a Lien on such acquired fixed assets); and

(2) no default or event of default with respect to such Indebtedness would cause, or permit (after notice or passage of time or otherwise), any holder of any other Indebtedness of the Company or a Subsidiary Guarantor to declare a default or event of default on such other Indebtedness or cause the payment, repurchase, redemption, defeasance or other acquisition or retirement for value thereof to be accelerated or payable prior to any scheduled principal payment, scheduled sinking fund payment or maturity.

“Obligations” means, with respect to any Indebtedness, all obligations for principal, premium, interest, penalties, fees, indemnifications, reimbursements, and other amounts payable pursuant to the documentation governing such Indebtedness.

“Oil and Gas Business” means:

(1) the acquisition, exploration, exploitation, development, operation and disposition of interests in oil, natural gas, other hydrocarbon and mineral properties;

(2) the gathering, marketing, distribution, treating, processing, storage, refining, selling and transporting of any production from such interests or properties and the marketing of oil, natural gas, other hydrocarbons and minerals obtained from unrelated Persons;

(3) any business relating to or arising from exploration for or exploitation, development, production, treatment, processing, storage, refining, transportation, gathering or marketing of oil, natural gas, other hydrocarbons and minerals and products produced in association therewith;

(4) any other related energy business, including power generation and electrical transmission business where fuel required by such business is supplied, directly or indirectly, from oil, natural gas, other hydrocarbons and minerals produced substantially from properties in which the Company or the Restricted Subsidiaries, directly or indirectly, participate;

(5) any business relating to oil field sales and service; and

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(6) any activity necessary, appropriate or incidental to the activities described in the preceding clauses (1) through (5) of this definition.

“Oil and Gas Interest(s)” means: (a) direct and indirect interests in and rights with respect to oil, gas, mineral and related properties and assets of any kind and nature, direct or indirect, including, without limitation, wellbore interests, working, royalty and overriding royalty interests, mineral interests, leasehold interests, production payments, operating rights, net profits interests, other non-working interests, contractual interests, non-operating interests and rights in any pooled, unitized or communitized acreage by virtue of such interest being a part thereof; (b) interests in and rights with respect to Hydrocarbons other minerals or revenues therefrom and contracts and agreements in connection therewith and claims and rights thereto (including oil and gas leases, operating agreements, unitization, communitization and pooling agreements and orders, division orders, transfer orders, mineral deeds, royalty deeds, oil and gas sales, exchange and processing contracts and agreements and, in each case, interests thereunder), and surface interests, fee interests, reversionary interests, reservations and concessions related to any of the foregoing; (c) easements, rights-of-way, licenses, permits, leases, and other interests associated with, appurtenant to, or necessary for the operation of any of the foregoing; (d) interests in oil, gas, water, disposal and injection wells, equipment and machinery (including well equipment and machinery), oil and gas production, gathering, transmission, compression, treating, processing and storage facilities (including tanks, tank batteries, pipelines and gathering systems), pumps, water plants, electric plants, gasoline and gas processing plants, refineries and other tangible or intangible, movable or immovable, real or personal property and fixtures located on, associated with, appurtenant to, or necessary for the operation of any of the foregoing; and (e) all seismic, geological, geophysical and engineering records, data, information, maps, licenses and interpretations.

“Oil and Natural Gas Hedging Contract” means any oil and natural gas hedging agreement and other agreement or arrangement designed to protect the Company or any Restricted Subsidiary against fluctuations in oil and natural gas prices.

“Permitted Acquisition Indebtedness” means Indebtedness or Disqualified Stock of the Company or any of its Restricted Subsidiaries to the extent such Indebtedness or Disqualified Stock was Indebtedness or Disqualified Stock Incurred for the purpose of financing all or any part of the cost of acquiring oil and gas properties or was Indebtedness of:

(1) a Subsidiary prior to the date on which such Subsidiary became a Restricted Subsidiary, or

(2) a Person that was merged or amalgamated into the Company or a Restricted Subsidiary;

provided that on the date such Indebtedness was incurred, the Subsidiary became a Restricted Subsidiary or the date such Person was merged and amalgamated into the Company or a Restricted Subsidiary, as applicable, after giving pro forma effect thereto, the Consolidated Coverage Ratio either (x) equals or exceeds 2.25 to 1.0 or (y) is greater than the Consolidated Coverage Ratio immediately prior to such transaction.

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“Permitted Business Investments” means Investments and expenditures made in the ordinary course of, and of a nature that is or shall have become customary in, the Oil and Gas Business as means of actively exploiting, exploring for, acquiring, developing, processing, gathering, marketing or transporting oil, natural gas, other hydrocarbons and minerals through agreements, transactions, interests or arrangements that permit one to share risks or costs, comply with regulatory requirements regarding local ownership or satisfy other objectives customarily achieved through the conduct of the Oil and Gas Business jointly with third parties, including:

(1) ownership interests in oil, natural gas, other hydrocarbon and mineral properties or gathering, transportation, processing, storage or related systems; and

(2) entry into, and Investments and expenditures in the form of or pursuant to, operating agreements, joint venture agreements (including, without limitation, those relating to the Marcellus Midstream Owner and TGGT Holdings), partnership agreements, working interests, royalty interests, mineral leases, processing agreements, Farm-In Agreements, Farm-Out Agreements, contracts for the sale, transportation or exchange of oil, natural gas, other hydrocarbons and minerals, production sharing agreements, development agreements (including without limitation the BG Development Agreement and the Marcellus Joint Development Agreement), area of mutual interest agreements, unitization agreements, pooling arrangements, joint bidding agreements, service contracts and other similar agreements with third parties (including Unrestricted Subsidiaries).

“Permitted Holders” means (i) Douglas A. Miller and his spouse and lineal descendants, their respective estates or legal representatives and trusts created for the benefit of such Persons, provided that Douglas A. Miller shall be the chief executive officer or chairman of the board of directors of the Company (or comparable governing body); and (ii) any entity (A) in which Persons specified in clause (i) would beneficially own, directly or indirectly, after giving effect to any transaction or series of transactions that would be a Change of Control except for operation of this definition, more than 75% of the percentage of Voting Stock that such Persons together owned in the Company at any time during the six months preceding the beginning of such transaction or series of transactions; (B) in which Douglas A. Miller shall be chief executive officer or chairman of the board of directors (or comparable governing body); (C) that, after giving effect to any transaction or series of transactions that would be a Change of Control except for operation of this definition, does not have an outstanding class of equity securities registered under Section 12(b) or 12(g) of the Exchange Act; and (D) that, prior to giving effect to any transaction or series of transactions that would be a Change of Control except for operation of this definition, does not have existing operations.

“Permitted Investment” means an Investment by the Company or any Restricted Subsidiary in

(1) the Company, a Restricted Subsidiary or a Person that will, upon the making of such Investment, become a Restricted Subsidiary; provided, however , that the primary business of such Restricted Subsidiary is a Related Business;

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(2) another Person (A) if, as a result of such Investment, such other Person is merged or consolidated with or into, or transfers or conveys all or substantially all its assets to, the Company or a Restricted Subsidiary or (B) for consideration consisting solely of Capital Stock of the Company; provided, however , that, in both cases, such Person’s primary business is a Related Business;

(3) cash and Temporary Cash Investments;

(4) receivables owing to the Company or any Restricted Subsidiary if created or acquired in the ordinary course of business and payable or dischargeable in accordance with customary trade terms; provided, however , that such trade terms may include such concessionary trade terms as the Company or any such Restricted Subsidiary deems reasonable under the circumstances;

(5) payroll, commission, travel, relocation and similar advances to officers directors and employees to cover matters that are expected at the time of such advances ultimately to be treated as expenses for accounting purposes and that are made in the ordinary course of business;

(6) loans or advances to employees made in the ordinary course of business consistent with past practices of the Company or such Restricted Subsidiary;

(7) stock, obligations or securities received in settlement of debts created in the ordinary course of business and owing to the Company or any Restricted Subsidiary or in satisfaction of judgments;

(8) any Person to the extent such Investment represents the non-cash portion of the consideration received for (A) an Asset Disposition as permitted pursuant to Section 4.08 of this First Supplemental Indenture or (B) a disposition of assets not constituting an Asset Disposition;

(9) any Person where such Investment was acquired by the Company or any of the Restricted Subsidiaries (A) in exchange for any other Investment or accounts receivable held by the Company or any such Restricted Subsidiary in connection with or as a result of a bankruptcy, workout, reorganization or recapitalization of the issuer of such other Investment or accounts receivable or (B) as a result of a foreclosure by the Company or any of the Restricted Subsidiaries with respect to any secured Investment or other transfer of title with respect to any secured Investment in default;

(10) any Person to the extent such Investments consist of prepaid expenses, negotiable instruments held for collection and lease, utility and workers’ compensation, performance and other similar deposits made in the ordinary course of business by the Company or any Restricted Subsidiary;

(11) any Person to the extent such Investments consist of Hedging Obligations otherwise permitted under Section 4.05 of this First Supplemental Indenture;

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(12) any Person to the extent such Investment (A) exists on the Issue Date or (B) is an extension, modification or renewal of any such Investments described under the immediately preceding clause (A) but only to the extent not involving additional advances, contributions or other Investments of cash or other assets or other increases thereof (other than as a result of the accrual or accretion of interest or original issue discount or the issuance of pay-in-kind securities, in each case, pursuant to the terms of such Investment as in effect on the Issue Date);

(13) Permitted Business Investments;

(14) repurchases of the Securities;

(15) Guarantees issued in accordance with Sections 4.05 and 4.14 of this First Supplemental Indenture;

(16) Guarantees of performance or other obligations (other than Indebtedness) arising in the ordinary course in the Oil and Gas Business, including obligations under oil and natural gas exploration, development, joint operating and related agreements and licenses or concessions related to the Oil and Gas Business;

(17) Investments intended to promote the Company’s strategic objectives in the Oil and Gas Business in an aggregate amount not to exceed 5.0% of ACNTA (determined as of the date of the making of any such Investment) at any one time outstanding (which Investments shall be deemed to be no longer outstanding only upon and to the extent of the return of capital thereof);

(18) any Investment consisting of purchases and acquisitions of inventory, supplies, material and equipment, purchases of contract rights or licenses or leases of intellectual property, in each case, in the ordinary course of business;

(19) Persons to the extent such Investments, when taken together with all other Investments made pursuant to this clause (19) outstanding on the date such Investment is made, do not exceed the greater of $20.0 million and 5% of ACNTA; and,

(20) or if none has been selected, in the U.S. Government Portfolio (Service Class shares) of the Wilmington family of mutual funds

provided that with respect to any Permitted Investment, at the time such Permitted Investment is made, the Company will be entitled to divide and classify such Investment in more than one of the clauses of the definition of “Permitted Investment.”

“Permitted Liens” means, with respect to any Person,

(1) pledges or deposits by such Person under workers’ compensation laws, unemployment insurance laws or similar legislation, or good faith deposits in connection with bids, tenders, contracts (other than for the payment of Indebtedness) or leases to which such Person is a party, or deposits to secure public or statutory obligations of such Person or deposits of cash or United States government bonds to secure surety or appeal bonds to which such Person is a party, or deposits as security for contested taxes or import duties or for the payment of rent, in each case Incurred in the ordinary course of business;

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(2) Liens imposed by law, such as carriers’, warehousemen’s and mechanics’ Liens, in each case for sums not yet due or being contested in good faith by appropriate proceedings or other Liens arising out of judgments or awards against such Person with respect to which such Person shall then be proceeding with an appeal or other proceedings for review and Liens arising solely by virtue of any statutory or common law provision relating to banker’s Liens, rights of set-off or similar rights and remedies as to deposit accounts or other funds maintained with a creditor depository institution; provided, however , that (A) such deposit account is not a dedicated cash collateral account and is not subject to restrictions against access by the Company in excess of those set forth by regulations promulgated by the Federal Reserve Board and (B) such deposit account is not intended by the Company or any Restricted Subsidiary to provide collateral to the depository institution;

(3) Liens for property taxes not yet subject to penalties for non-payment or which are being contested in good faith by appropriate proceedings;

(4) Liens in favor of issuers of performance, bid or surety bonds, completion guarantees or letters of credit issued pursuant to the request of and for the account of such Person in the ordinary course of its business; provided, however , that such letters of credit do not constitute Indebtedness;

(5) survey exceptions, encumbrances, easements or reservations of, or rights of others for, licenses, rights-of-way, sewers, electric lines, telegraph and telephone lines and other similar purposes, or zoning or other restrictions as to the use of real property or Liens incidental to the conduct of the business of such Person or to the ownership of its properties which were not Incurred in connection with Indebtedness and which do not in the aggregate materially adversely affect the value of said properties or materially impair their use in the operation of the business of such Person;

(6) Liens securing Indebtedness Incurred to finance the construction, purchase or lease of, or repairs, improvements or additions to, property, plant or equipment of such Person; provided, however , that the Lien may not extend to any other property owned by such Person or any of its Restricted Subsidiaries at the time the Lien is Incurred (other than assets and property affixed or appurtenant thereto), and the Indebtedness (other than any interest thereon) secured by the Lien may not be Incurred more than 180 days after the later of the acquisition, completion of construction, repair, improvement, addition or commencement of full operation of the property subject to the Lien;

(7) Liens securing Non-Recourse Purchase Money Indebtedness granted in connection with the acquisition by the Company or any Restricted Subsidiary in the ordinary course of business of fixed assets used in the Oil and Gas Business (including the office buildings and other real property used by the Company or such Restricted Subsidiary in conducting its operations); provided that (i) such Liens attach only to the fixed assets acquired with the proceeds of such Non-Recourse Purchase Money Indebtedness; and (ii) such Non-Recourse Purchase Money Indebtedness is not in excess of the purchase price of such fixed assets;

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(8) Liens to secure Indebtedness permitted under Section 4.05(b)(1) of this First Supplemental Indenture and Liens to secure Cash Management Obligations;

(9) Liens to secure the Securities, any Subsidiary Guarantee and other obligations arising under this First Supplemental Indenture;

(10) Liens existing on the Issue Date;

(11) Liens on property or shares of Capital Stock of another Person at the time such other Person becomes a Subsidiary of such Person (and not incurred in anticipation of or in connection with such transaction); provided, however , that the Liens may not extend to any other property owned by such Person or any of its Restricted Subsidiaries (other than assets and property affixed or appurtenant thereto);

(12) Liens on property at the time such Person or any of its Subsidiaries acquires the property, including any acquisition by means of a merger or consolidation with or into such Person or a Subsidiary of such Person (and not incurred in anticipation of or in connection with such transaction); provided, however , that the Liens may not extend to any other property owned by such Person or any of its Restricted Subsidiaries (other than assets and property affixed or appurtenant thereto);

(13) Liens securing Indebtedness or other obligations of a Subsidiary of such Person owing to such Person or a Restricted Subsidiary of such Person;

(14) Liens securing Hedging Obligations of the Company or any of its Restricted Subsidiaries that are permitted to be Incurred pursuant to this First Supplemental Indenture;

(15) Liens on, or related to, assets to secure all or part of the costs incurred in the ordinary course of a Related Business for the surveying, exploration, drilling, extraction, development, operation, production, construction, alteration, repair, improvement, processing, transportation, marketing, storage or operation thereof;

(16) Liens on pipeline or pipeline facilities that arise under operation of law;

(17) Liens arising in the ordinary course of business under operating agreements, joint venture agreements, partnership agreements, oil, natural gas, other hydrocarbon and mineral leases, Farm-Out Agreements or Farm-In Agreements, division orders, contracts for the sale, transportation or exchange of oil or natural gas, unitization and pooling declarations and agreements, area of mutual interest agreements, overriding royalty agreements, net profits agreements, production payment agreements, royalty trust agreements, incentive compensation programs on terms that are reasonably customary in the Oil and Gas Business for geologists, geophysicists and other providers of technical services to the Company or a Restricted Subsidiary, master limited partnership agreements, development agreements, operating agreements, production sales contracts, gas balancing or deferred production agreements, injection, repressuring and recycling agreements, salt water or other disposal agreements, seismic or geophysical permits or agreements, and other agreements that are customary in the Oil and Gas Business provided , however , that in all instances such Liens are limited to the assets that are the subject of the relevant agreement, program, order or contract;

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(18) Liens securing Production Payments and Reserve Sales that are not prohibited by this First Supplemental Indenture; provided , however , that such Liens do not extend to any property other than the property that is the subject of such Production Payments and Reserve Sales;

(19) Liens reserved in oil, natural gas, other hydrocarbon and mineral leases for bonus or rental payments and for compliance with the terms of such leases;

(20) Liens to secure any Refinancing (or successive Refinancings) as a whole, or in part, of any Indebtedness secured by any Lien referred to in the foregoing clause (6), (9), (10), (11) or (12); provided, however , that (A) such new Lien shall be limited to all or part of the same property and assets that secured or, under the written agreements pursuant to which the original Lien arose, could secure the original Lien (plus improvements and accessions to such property or proceeds or distributions thereof) and (B) the Indebtedness secured by such Lien at such time is not increased to any amount greater than the sum of (i) the outstanding principal amount or, if greater, committed amount of the Indebtedness described under clause (6), (9), (10), (11) or (12) above at the time the original Lien became a Permitted Lien and (ii) an amount necessary to pay any fees and expenses, including premiums, related to such refinancing, refunding, extension, renewal or replacement.

(21) Liens securing Indebtedness of a Foreign Subsidiary permitted to be Incurred under Section 4.05(b)(15) of this First Supplemental Indenture; provided, however , that such Liens do not extend to any property not owned by such Foreign Subsidiary;

(22) Liens to secure Indebtedness permitted under Section 4.05(b)(23) of this First Supplemental Indenture;

(23) Liens arising from Uniform Commercial Code financing statement filings regarding operating leases entered into by the Company and its Restricted Subsidiaries in the ordinary course of business;

(24) Liens on the Marcellus JV Oil and Gas Assets securing the obligations of the Company and certain Restricted Subsidiaries under the Marcellus JV Documents and Liens securing the obligations of the Company and certain Restricted Subsidiaries under the BG JV Documents;

(25) leases, licenses, subleases and sublicenses of real property and intellectual property rights that do not materially interfere with the ordinary conduct of the business of the Company or any of its Restricted Subsidiaries, taken as whole; and

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(26) in addition to Liens permitted by clauses (1) through (25) above, Liens that are incurred in the ordinary course of business of the Company or any Restricted Subsidiary with respect to Indebtedness and other obligations that do not exceed the greater of $25 million and 5% of ACNTA, as determined on the date of incurrence of such Indebtedness after giving pro forma effect to such incurrence and the application of the proceeds therefrom, at any time outstanding.

In each case set forth above, notwithstanding any stated limitation on the assets that may be subject to such Lien, a Permitted Lien on a specified asset or group or type of assets may include Liens on all improvements, additions and accessions thereto and all products and proceeds thereof.

For purposes of this definition, the term “Indebtedness” shall be deemed to include interest on such Indebtedness.

“Permitted Marketing Obligations” means Indebtedness of the Company or any Restricted Subsidiary under letter of credit or borrowed money obligations, or in lieu of or in addition to such letters of credit or borrowed money, Guarantees of such Indebtedness or other obligation, of the Company or any Restricted Subsidiary by any other Restricted Subsidiary, as applicable, related to the purchase by the Company or any Restricted Subsidiary of hydrocarbons for which the Company or such Restricted Subsidiary has contracts to sell; provided , however , that in the event that such Indebtedness or obligations are guaranteed by the Company or any Restricted Subsidiary, then either: (1) the Person with which the Company or such Restricted Subsidiary has contracts to sell has an Investment Grade Rating or in lieu thereof, a Person guaranteeing the payment of such obligated Person has an Investment Grade Rating from; or (2) such Person posts, or has posted for it, a letter of credit in favor of the Company or such Restricted Subsidiary with respect to all such Person’s obligations to the Company or such Restricted Subsidiary under such contracts.

“Preferred Stock,” as applied to the Capital Stock of any Person, means Capital Stock of any class or classes (however designated) which is preferred as to the payment of dividends or distributions, or as to the distribution of assets upon any voluntary or involuntary liquidation or dissolution of such Person, over shares of Capital Stock of any other class of such Person.

“principal” of a Security means the principal of the Security plus the premium, if any, payable on the Security which is due or overdue or is to become due at the relevant time.

“Production Payments” means Dollar-Denominated Production Payments and Volumetric Production Payments, collectively.

“Production Payments and Reserve Sales” means the grant or transfer to any Person of a Production Payment, royalty, overriding royalty, net profits interest, master limited partnership interest or other interest in oil and natural gas properties, reserves or the right to receive all or a portion of the production or the proceeds from the sale of production attributable to such properties.

“Prospectus” means the Prospectus dated September 10, 2010 relating to the initial offering of the Securities.

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“Quotation Agent” means the Reference Treasury Dealer selected by the Trustee after consultation with the Company.

“Rating Agency” means each of Standard & Poor’s or Moody’s, or, if either Standard & Poor’s or Moody’s or both shall not make a rating on the Securities publicly available, a nationally recognized statistical rating organization registered under Section 15E of the Exchange Act selected by the Company (as certified by a resolution of the Board of Directors) which shall be substituted for Standard & Poor’s or Moody’s or both, as the case may be.

“Rating Event” means the rating of the Securities shall be decreased by one or more gradations by either Rating Agency, on any date from the date of the public notice of an arrangement that could result in a Change of Control until the end of the 30-day period following public notice of the occurrence of the Change of Control (which period shall be extended to 60 days from the date of the occurrence of the Change of Control if the rating of the Securities is under publicly announced consideration for possible downgrade by any Rating Agency).

“Reference Treasury Dealer” means J.P. Morgan Securities LLC and its successors and assigns, Banc of America Securities LLC and its successors and assigns and one other nationally recognized investment banking firm selected by the Company that is a primary U.S. Government securities dealer.

“Reference Treasury Dealer Quotations” means, with respect to each Reference Treasury Dealer and any Redemption Date, the average, as determined by the Trustee, of the bid and asked prices for the Comparable Treasury Issue, expressed in each case as a percentage of its principal amount, quoted in writing to the Trustee by such Reference Treasury Dealer at 5:00 p.m., New York City time, on the third Business Day immediately preceding such Redemption Date.

“Refinance” means, in respect of any Indebtedness, to refinance, extend, renew, refund, repay, prepay, purchase, redeem, defease or retire, or to issue other Indebtedness in exchange or replacement for, such Indebtedness. “Refinanced” and “Refinancing” shall have correlative meanings.

“Refinancing Indebtedness” means Indebtedness that Refinances any Indebtedness of the Company or any Restricted Subsidiary existing on the Issue Date or Incurred in compliance with this First Supplemental Indenture, including Indebtedness that Refinances Refinancing Indebtedness; provided, however , that:

(1) if the final maturity of the Indebtedness being Refinanced is earlier than the Stated Maturity of the Securities, such Refinancing Indebtedness has a Stated Maturity no earlier than the Stated Maturity of the Indebtedness being Refinanced;

(2) if the final maturity date of the Indebtedness being Refinanced is later than the Stated Maturity of the Securities, such Refinancing Indebtedness has a final maturity date at least 91 days later than the Stated Maturity of the Securities.

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(3) such Refinancing Indebtedness has an Average Life at the time such Refinancing Indebtedness is Incurred that is equal to or greater than the Average Life of the Indebtedness being Refinanced.

(4) such Refinancing Indebtedness has an aggregate principal amount (or if Incurred with original issue discount, an aggregate issue price) that is equal to or less than the aggregate principal amount (or if Incurred with original issue discount, the aggregate accreted value) then outstanding (plus fees and expenses, including any premium and defeasance costs) under the Indebtedness being Refinanced; and

(5) if the Indebtedness being Refinanced is subordinated in right of payment to the Securities, such Refinancing Indebtedness is subordinated in right of payment to the Securities at least to the same extent as the Indebtedness being Refinanced;

provided further, however , that Refinancing Indebtedness shall not include (A) Indebtedness of a Subsidiary of the Company that Refinances Indebtedness of the Company ( provided , however , that a Restricted Subsidiary that is also a Subsidiary Guarantor may Guarantee Refinancing Indebtedness Incurred by the Company whether or not such Restricted Subsidiary was an obligor or guarantor of the Indebtedness being Refinanced, and provided, further, that if such Refinancing Indebtedness is subordinated to the Securities, such Guarantees shall be subordinated to such Restricted Subsidiary Guaranty to at least the same extent) or (B) Indebtedness of the Company or a Restricted Subsidiary that Refinances Indebtedness of an Unrestricted Subsidiary.

“Related Business” means any Oil and Gas Business and any other business in which the Company or any of the Restricted Subsidiaries was engaged on the Issue Date and any business related, ancillary or complementary to such business.

“Restricted Payment” with respect to any Person means:

(1) the declaration or payment of any dividends or any other distributions of any sort in respect of its Capital Stock (including any payment in connection with any merger or consolidation involving such Person) or similar payment to the direct or indirect holders of its Capital Stock (other than (A) dividends or distributions payable solely in its Capital Stock (other than Disqualified Stock), (B) dividends or distributions payable solely to the Company or a Restricted Subsidiary and (C) pro rata dividends or other distributions made by a Subsidiary that is not a Wholly Owned Subsidiary to minority stockholders (or owners of an equivalent interest in the case of a Subsidiary that is an entity other than a corporation));

(2) the purchase, redemption or other acquisition or retirement for value of any Capital Stock of (A) the Company or (B) a Restricted Subsidiary held by any Affiliate of the Company (other than by a Restricted Subsidiary), including in connection with any merger or consolidation and including the exercise of any option to exchange any Capital Stock (other than into Capital Stock of the Company that is not Disqualified Stock);

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(3) the purchase, repurchase, redemption, defeasance or other acquisition or retirement for value, prior to scheduled maturity, scheduled repayment or scheduled sinking fund payment of any Subordinated Obligations of the Company or any Subsidiary Guarantor (other than (A) from the Company or a Restricted Subsidiary or (B) the purchase, repurchase, redemption, defeasance or other acquisition of Subordinated Obligations purchased in anticipation of satisfying a sinking fund obligation, principal installment or final maturity, in each case due within one year of the date of such purchase, repurchase, redemption, defeasance or other acquisition); or

(4) the making of any Investment (other than a Permitted Investment) in any Person.

“Restricted Subsidiary” means any Subsidiary of the Company that is not an Unrestricted Subsidiary.

“Sale/Leaseback Transaction” means an arrangement relating to property owned by the Company or a Restricted Subsidiary on the Issue Date or thereafter acquired by the Company or a Restricted Subsidiary whereby the Company or a Restricted Subsidiary transfers such property to a Person and the Company or a Restricted Subsidiary leases it from such Person.

“SEC” means the U.S. Securities and Exchange Commission.

“Senior Indebtedness” means with respect to any Person:

(1) Indebtedness of such Person, whether outstanding on the Issue Date or thereafter Incurred, including with respect to the Company and the Subsidiary Guarantors, all Indebtedness outstanding under the Credit Agreement and all Hedging Obligations and Cash Management Obligations with respect thereto; and

(2) all other Obligations of such Person (including interest accruing on or after the filing of any petition in bankruptcy or for reorganization relating to such Person whether or not post-filing interest is allowed in such proceeding) in respect of Indebtedness described in clause (1) above,

unless, in the case of clauses (1) and (2), in the instrument creating or evidencing the same or pursuant to which the same is outstanding it is provided that such Indebtedness or other obligations are subordinate in right of payment to the Securities or the Subsidiary Guaranty of such Person, as the case may be; provided, however , that Senior Indebtedness shall not include:

(A) any obligation of such Person to the Company or any Subsidiary;

(B) any liability for Federal, state, local or other taxes owed or owing by such Person;

(C) any accounts payable or other liability to trade creditors arising in the ordinary course of business (including guarantees thereof or instruments evidencing such liabilities);

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(D) any Indebtedness or other Obligation of such Person which is subordinate or junior in any respect to any other Indebtedness or other Obligation of such Person; or

(E) that portion of any Indebtedness which at the time of Incurrence is Incurred in violation of this First Supplemental Indenture.

“Significant Subsidiary” means any Restricted Subsidiary that would be a “Significant Subsidiary” of the Company within the meaning of Rule 1-02 under Regulation S-X promulgated by the SEC.

“Standard & Poor’s” means Standard & Poor’s, a division of The McGraw-Hill Companies, Inc., and any successor to its rating agency business.

“Subordinated Obligation” means, with respect to a Person, any Indebtedness of such Person (whether outstanding on the Issue Date or thereafter Incurred) which is subordinate or junior in right of payment to the Securities or a Subsidiary Guaranty of such Person, as the case may be, pursuant to a written agreement to that effect.

“Subsidiary Guarantor” means each Subsidiary of the Company that executes this First Supplemental Indenture as a guarantor on the Issue Date and each other Subsidiary of the Company that thereafter guarantees the Securities pursuant to the terms of this First Supplemental Indenture.

“Subsidiary Guaranty” means a Guarantee by a Subsidiary Guarantor of the Company’s obligations with respect to the Securities.

“Temporary Cash Investments” means any of the following:

(1) any investment in direct obligations of the United States of America or any agency thereof or obligations guaranteed by the United States of America or any agency thereof;

(2) investments in demand and time deposit accounts, certificates of deposit and money market deposits maturing within 270 days after the date of acquisition thereof issued by a bank or trust company which is organized under the laws of the United States of America, any State thereof or any foreign country recognized by the United States of America, and which bank or trust company has capital, surplus and undivided profits aggregating in excess of $50.0 million (or the foreign currency equivalent thereof) and has outstanding debt which is rated “A” (or such similar equivalent rating) or higher by at least one nationally recognized statistical rating organization (as defined in Rule 436 under the Securities Act) or any money-market fund sponsored by a registered broker dealer or mutual fund distributor;

(3) investments in deposits available for withdrawal on demand with any commercial bank that is organized under the laws of any country in which the Company or any Restricted Subsidiary maintains an office or is engaged in the Oil and Gas Business; provided, however , that (i) all such deposits have been made in such accounts in the ordinary course of business and (ii) such deposits do not at any one time exceed $10.0 million in the aggregate;

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(4) repurchase obligations with a term of not more than 30 days for underlying securities of the types described in clause (1) above entered into with a bank meeting the qualifications described in clause (2) above;

(5) investments in commercial paper, maturing not more than 90 days after the date of acquisition, issued by a corporation (other than an Affiliate of the Company) organized and in existence under the laws of the United States of America or any foreign country recognized by the United States of America with a rating at the time as of which any investment therein is made of “P-1” (or higher) according to Moody’s or “A-1” (or higher) according to Standard and Poor’s;

(6) investments in securities with maturities of one year or less from the date of acquisition issued or fully guaranteed by any state, commonwealth or territory of the United States of America, or by any political subdivision or taxing authority thereof, and rated at least “A” by Standard & Poor’s or “A” by Moody’s; and

(7) investments in money market funds that invest 95% or more of their assets in securities of the types described in clauses (1) through (6) above.

“TGGT Contribution Agreement” means that certain Contribution Agreement, effective as of January 1, 2009, among EOC, Vaughan Holding Company, LLC and BG Gathering, as amended, supplemented or otherwise modified from time to time.

“TGGT Holdings” means TGGT Holdings, LLC, a Delaware limited liability company and its successors and assigns.

“TGGT Holdings LLC Agreement” means that certain Amended and Restated Limited Liability Company Agreement, dated as of August 14, 2009, among BG Gathering, EOC, TGGT Holdings, and JPMorgan Chase Bank, N.A., as the Administrative Agent under the Credit Agreement, as amended, supplemented or otherwise modified from time to time.

“Trust Officer” means the Chairman of the Board, the President or any other officer or assistant officer of the Trustee assigned by the Trustee to administer its corporate trust matters.

“Uniform Commercial Code” means the New York Uniform Commercial Code as in effect from time to time.

“Unrestricted Subsidiary” means:

(1) each of EXCO Caddo Acquisition, LLC, PCMWL, LLC and EXCO Water Resources, LLC;

(2) each of TGGT Holdings and its subsidiaries and the Marcellus Midstream Owner shall be deemed to be an Unrestricted Subsidiary for purposes of this First Supplemental Indenture for so long as the Company, directly or indirectly, owns any (even if 50% or less) of the Capital Stock of such entity;

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(3) any Subsidiary of the Company that at the time of determination shall be designated an Unrestricted Subsidiary by the Board of Directors in the manner provided below; and

(4) any Subsidiary of an Unrestricted Subsidiary.

The Board of Directors may designate any Subsidiary of the Company (including any newly acquired or newly formed Subsidiary) to be an Unrestricted Subsidiary unless such Subsidiary or any of its Subsidiaries owns any Capital Stock or Indebtedness of, or holds any Lien on any property of, the Company or any Subsidiary of the Company that is not a Subsidiary of the Subsidiary to be so designated; provided, however , that either (A) the Subsidiary to be so designated has total assets of $1,000 or less or (B) if such Subsidiary has assets greater than $1,000, such designation would be permitted under Section 4.06 of this First Supplemental Indenture.

The Board of Directors may designate any Unrestricted Subsidiary to be a Restricted Subsidiary; provided, however , that immediately after giving effect to such designation (A) the Company could Incur $1.00 of additional Indebtedness under Section 4.05(a) of this First Supplemental Indenture and (B) no Default shall have occurred and be continuing. Any such designation by the Board of Directors shall be evidenced to the Trustee by promptly filing with the Trustee a copy of the resolution of the Board of Directors giving effect to such designation and an Officers’ Certificate certifying that such designation complied with the foregoing provisions.

“U.S. Dollar Equivalent” means with respect to any monetary amount in a currency other than U.S. dollars, at any time for determination thereof, the amount of U.S. dollars obtained by converting such foreign currency involved in such computation into U.S. dollars at the spot rate for the purchase of U.S. dollars with the applicable foreign currency as published in The Wall Street Journal in the “Exchange Rates” column under the heading “Currency Trading” on the date two Business Days prior to such determination.

Except as described in Section 4.05 of this First Supplemental Indenture, whenever it is necessary to determine whether the Company or any Restricted Subsidiary has complied with any covenant in the Indenture or a Default has occurred and an amount is expressed in a currency other than U.S. dollars, such amount will be treated as the U.S. Dollar Equivalent determined as of the date such amount is initially determined in such currency.

“Volumetric Production Payments” means production payment obligations recorded as deferred revenue in accordance with GAAP, together with all undertakings and obligations in connection therewith.

“Voting Stock” of a Person means all classes of Capital Stock of such Person then outstanding and normally entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers or trustees thereof.

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“Wholly Owned Subsidiary” means a Restricted Subsidiary all the Capital Stock of which (other than directors’ qualifying shares) is owned by the Company or one or more other Wholly Owned Subsidiaries.

Terms not defined herein but defined in the Appendix shall have the meaning set forth in the Appendix.

SECTION 2.04.  Incorporation by Reference of Trust Indenture Act . This First Supplemental Indenture is subject to the mandatory provisions of the Trust Indenture Act which are incorporated by reference in and made a part of this First Supplemental Indenture. The following Trust Indenture Act terms have the following meanings:

“Commission” means the SEC;

“indenture securities” means the Securities and the Subsidiary Guaranties;

“indenture security holder” means a Securityholder;

“indenture to be qualified” means this First Supplemental Indenture;