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 Exhibit 4.3  


        EXECUTION VERSION 


 
 

  REGISTRATION RIGHTS AGREEMENT    
    


        This REGISTRATION RIGHTS AGREEMENT dated January 19, 2010 (the "Agreement") is entered into by and among Antero Resources
Finance Corporation, a Delaware corporation (the "Company"), an indirect wholly owned subsidiary of Antero Resources LLC (the "Parent"), the guarantors listed in Schedule 1 hereto
(together with the Parent, the "Guarantors"), and J.P. Morgan Securities Inc. ("JPMorgan"), as representative of the several initial purchasers listed in Schedule 1 of the Purchase
Agreement (collectively, the "Initial Purchasers"). 


        The
Company, the Guarantors and the Initial Purchasers are parties to the Purchase Agreement dated January 13, 2010 (the "Purchase Agreement"), which provides for the sale by the
Company to the Initial Purchasers of $150,000,000 aggregate principal amount of the Company's 9.375% Senior Notes due 2017 (the "Securities") which will be guaranteed on an unsecured senior basis by
each of the Guarantors. The Company previously issued on November 17, 2009, $375,000,000 aggregate principal amount of 9.375% senior notes due 2017 under the Indenture. The Securities and the
notes previously issued under the Indenture on November 17, 2009 will be deemed to be the same series of notes under the Indenture. As an inducement to the Initial Purchasers to enter into the
Purchase Agreement, the Company and the Guarantors have agreed to provide to the Initial Purchasers and their direct and indirect transferees the registration rights set forth in this Agreement. The
execution and delivery of this Agreement is a condition to the closing under the Purchase Agreement. 


        In
consideration of the foregoing, the parties hereto agree as follows: 



        1.    Definitions.    As used in this Agreement, the following terms shall have the following meanings: 


        "Additional
Guarantor" shall mean any subsidiary of the Parent that executes a Subsidiary Guarantee under the Indenture after the date of this Agreement. 


        "Business
Day" shall mean any day that is not a Saturday, Sunday or other day on which commercial banks in New York City are authorized or required by law to remain closed. 


        "Company"
shall have the meaning set forth in the preamble and shall also include the Company's successors. 



        "Exchange
Act" shall mean the Securities Exchange Act of 1934, as amended from time to time and the rules and regulations of the SEC promulgated thereunder. 


        "Exchange
Dates" shall have the meaning set forth in Section 2(a)(ii) hereof. 


        "Exchange
Offer" shall mean the exchange offer by the Company and the Guarantors of Exchange Securities for Registrable Securities pursuant to Section 2(a) hereof. 


        "Exchange
Offer Registration" shall mean a registration under the Securities Act effected pursuant to Section 2(a) hereof. 



        "Exchange
Offer Registration Statement" shall mean an exchange offer registration statement on Form S-4 (or, if applicable, on another appropriate form) under the
Securities Act with respect to the Exchange Offer and all amendments and supplements to such registration statement, in each case including the Prospectus contained therein or deemed a part thereof,
all exhibits thereto and any document incorporated by reference therein. 


        "Exchange
Securities" shall mean senior notes issued by the Company and guaranteed by the Guarantors under the Indenture containing terms identical to the Securities (except that the
Exchange Securities will not be subject to restrictions on transfer or to any increase in annual interest rate for
failure to comply with this Agreement) and to be offered to Holders of Securities in exchange for Securities pursuant to the Exchange Offer. 







 

        "Free
Writing Prospectus" means each free writing prospectus (as defined in Rule 405 under the Securities Act) prepared by or on behalf of the Company or used or referred to by
the Company in connection with the sale of the Securities or the Exchange Securities. 


        "Guarantors"
shall mean, collectively, the Parent and the guarantors listed on Schedule 1 hereto, any successors thereof and any Additional Guarantors. 


        "Holders"
shall mean the Initial Purchasers, for so long as they own any Registrable Securities, and each of their successors, assigns and direct and indirect transferees who become
owners of Registrable Securities under the Indenture; provided that for purposes of Sections 4 and 5 of this Agreement, the term "Holders" shall include Participating Broker-Dealers. 



        "Indemnified
Person" shall have the meaning set forth in Section 5(c) hereof. 


        "Indemnifying
Person" shall have the meaning set forth in Section 5(c) hereof. 


        "Indenture"
shall mean the Indenture relating to the Securities dated as of November 17, 2009 among the Company, the Guarantors and Wells Fargo Bank, National Association, as
trustee, and as the same may be amended from time to time in accordance with the terms thereof. 



        "Initial
Purchasers" shall have the meaning set forth in the preamble. 


        "Inspector"
shall have the meaning set forth in Section 3(a)(xiv) hereof. 


        "Issuer
Information" shall have the meaning set forth in Section 5(a) hereof. 


        "JPMorgan"
shall have the meaning set forth in the preamble. 


        "Majority
Holders" shall mean the Holders of a majority of the aggregate principal amount of the outstanding Registrable Securities; provided that whenever the consent or approval of
Holders of a specified percentage of Registrable Securities is required hereunder, any Registrable Securities owned directly or indirectly by the Company or any of its affiliates shall not be counted
in determining whether such consent or approval was given by the Holders of such required percentage or amount; and provided, further, that if the Company shall issue any additional Securities under
the Indenture prior to consummation of the Exchange Offer or, if applicable, the effectiveness of any Shelf Registration Statement, such additional Securities and the Registrable Securities to which
this Agreement relates shall be treated together as one class for purposes of determining whether the consent or approval of Holders of a specified percentage of Registrable Securities has been
obtained. 


        "Participating
Broker-Dealer" shall have the meaning set forth in Section 4(a) hereof. 


        "Person"
shall mean an individual, partnership, limited liability company, corporation, trust or unincorporated organization, or other legal entity or a government or agency or political
subdivision thereof. 


        "Prospectus"
shall mean the prospectus included in, or, pursuant to the rules and regulations of the Securities Act, deemed a part of, a Registration Statement, including any preliminary
prospectus, and any such prospectus as amended or supplemented by any prospectus supplement, including a prospectus supplement with respect to the terms of the offering of any portion of the
Registrable Securities covered by a Shelf Registration Statement, and by all other amendments and supplements to such prospectus, and in each case including any document incorporated by reference
therein. 


        "Purchase
Agreement" shall have the meaning set forth in the preamble. 


        "Registrable
Securities" shall mean the Securities; provided that the Securities shall cease to be Registrable Securities (i) when a Registration Statement with respect to such
Securities has become effective under the Securities Act and such Securities have been exchanged or disposed of pursuant to such Registration Statement or (ii) when such Securities cease to be
outstanding. 


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        "Registration
Expenses" shall mean any and all expenses incident to performance of or compliance by the Company and the Guarantors with this Agreement, including without limitation:
(i) all SEC, stock exchange or Financial Industry Regulatory Authority registration and filing fees, (ii) all fees and expenses incurred in connection with compliance with state
securities or blue sky laws (including reasonable fees and disbursements of counsel for any Underwriters or Holders in connection with blue sky qualification of any Exchange Securities or Registrable
Securities), (iii) all expenses of any Persons in preparing or assisting in preparing, word processing, printing and distributing any Registration Statement, any Prospectus, any Free Writing
Prospectus and any amendments or supplements thereto, any underwriting agreements, securities sales agreements or other similar agreements and any other documents relating to the performance of and
compliance with this Agreement (other than the fees of counsel to the Initial Purchasers incurred in connection with the preparation and review of the Exchange Offer Registration Statement or in
connection with the Exchange Offer), (iv) all rating agency fees, (v) all fees and disbursements relating to the qualification of the Indenture under applicable securities laws,
(vi) the fees and disbursements of the Trustee and its counsel, (vii) the fees and disbursements of counsel for the Company and the Guarantors and, in the case of a Shelf Registration
Statement, the fees and disbursements of one counsel for the Holders (which counsel shall be selected by the Majority Holders and which counsel may also be counsel for the Initial Purchasers) and
(viii) the fees and disbursements of the independent public accountants of the Company and the Guarantors, including the expenses of any special audits or "comfort" letters required by or
incident to the performance of and compliance with this Agreement, but excluding fees and expenses of counsel to the Underwriters (other than fees and expenses set forth in clause (ii) above)
or the Holders and underwriting discounts and commissions, brokerage commissions and transfer taxes, if any, relating to the sale or disposition of Registrable Securities by a Holder. 



        "Registration
Statement" shall mean any registration statement filed under the Securities Act of the Company and the Guarantors that covers any of the Exchange Securities or Registrable
Securities pursuant to the provisions of this Agreement and all amendments and supplements to any such registration statement, including post-effective amendments, in each case including
the Prospectus contained therein or deemed a part thereof, all exhibits thereto and any document incorporated by reference therein; provided, that any such Registration Statement may be combined with
any registration statement with respect to the registration of the Initial Securities filed pursuant to the terms of the Registration Rights dated November 17, 2009 by and among the Company,
the Guarantors and JP Morgan. 


        "SEC"
shall mean the United States Securities and Exchange Commission. 


        "Securities"
shall have the meaning set forth in the preamble. 


        "Securities
Act" shall mean the Securities Act of 1933, as amended from time to time and the rules and regulations of the SEC promulgated thereunder. 


        "Shelf
Effectiveness Period" shall have the meaning set forth in Section 2(b) hereof. 


        "Shelf
Registration" shall mean a registration effected pursuant to Section 2(b) hereof. 



        "Shelf
Registration Statement" shall mean a "shelf" registration statement of the Company and the Guarantors that covers all or a portion of the Registrable Securities (but no other
securities unless approved by a majority of the Holders whose Registrable Securities are to be covered by such Shelf Registration Statement) on an appropriate form under Rule 415 under the
Securities Act, or any similar rule that may be adopted by the SEC, and all amendments and supplements to such registration statement, including post-effective amendments, in each case
including the Prospectus contained therein or deemed a part thereof, all exhibits thereto and any document incorporated by reference therein. 



        "Shelf
Request" shall have the meaning set forth in Section 2(b) hereof. 


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        "Subsidiary
Guarantees" shall mean the guarantees of the Securities and Exchange Securities by the Guarantors under the Indenture. 


        "Staff"
shall mean the staff of the SEC. 


        "Target
Registration Date" shall have the meaning set forth in Section 2(d) hereof. 


        "Trust
Indenture Act" shall mean the Trust Indenture Act of 1939, as amended from time to time. 


        "Trustee"
shall mean the trustee with respect to the Securities under the Indenture. 


        "Underwriter"
shall have the meaning set forth in Section 3(e) hereof. 


        "Underwritten
Offering" shall mean an offering in which Registrable Securities are sold to an Underwriter for reoffering to the public. 



        2.    Registration Under the Securities Act.    (a) To the extent not prohibited by any applicable law or applicable
interpretations of the Staff, the Company and the Guarantors shall use their commercially reasonable efforts to (i) cause to be filed an Exchange Offer Registration Statement covering an offer
to the Holders to exchange all the Registrable Securities for Exchange Securities and (ii) have such Registration Statement remain effective until 180 days after the last Exchange Date
for use by one or more Participating Broker-Dealers. The Company and the Guarantors shall commence the Exchange Offer promptly after the Exchange Offer Registration Statement is declared effective by
the SEC. 


        The
Company and the Guarantors shall commence the Exchange Offer by mailing the related Prospectus, appropriate letters of transmittal and other accompanying documents to each Holder
stating, in addition to such other disclosures as are required by applicable law, substantially the following: 


	(i)
	that
the Exchange Offer is being made pursuant to this Agreement and that all Registrable Securities validly tendered and not properly withdrawn will be
accepted for exchange;



	(ii)
	the
dates of acceptance for exchange (which shall be a period of at least 20 Business Days from the date such notice is mailed) (the "Exchange Dates");



	(iii)
	that
any Registrable Security not tendered will remain outstanding and continue to accrue interest but will not retain any rights under this Agreement,
except as otherwise specified herein;



	(iv)
	that
any Holder electing to have a Registrable Security exchanged pursuant to the Exchange Offer will be required to (A) surrender such Registrable
Security, together with the appropriate letters of transmittal, to the institution and at the address and in the manner specified in the notice, or (B) effect such exchange otherwise in
compliance with the applicable procedures of the depositary for such Registrable Security, in each case prior to the close of business on the last Exchange Date; and



	(v)
	that
any Holder will be entitled to withdraw its election, not later than the close of business on the last Exchange Date, by (A) sending to the
institution and at the address specified in the notice, a telegram, telex, facsimile transmission or letter setting forth the name of such Holder, the principal amount of Registrable Securities
delivered for exchange and a statement that such Holder is withdrawing its election to have such Registrable Securities exchanged or (B) effecting such withdrawal in compliance with the
applicable procedures of the depositary for the Registrable Securities. 



        As
a condition to participating in the Exchange Offer, a Holder will be required to represent to the Company and the Guarantors that (i) any Exchange Securities to be received by
it will be acquired in the ordinary course of its business, (ii) at the time of the commencement of the Exchange Offer it has no arrangement or understanding with any Person to participate in
the distribution (within the meaning of the Securities Act) of the Exchange Securities in violation of the provisions of the 


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Securities
Act, (iii) it is not an "affiliate" (within the meaning of Rule 405 under the Securities Act) of the Company or any Guarantor and (iv) if such Holder is a broker-dealer
that will receive Exchange Securities for its own account in exchange for Registrable Securities that were acquired as a result of market-making or other trading activities, then such Holder will
deliver a Prospectus (or, to the extent permitted by law, make available a Prospectus to purchasers) in connection with any resale of such Exchange Securities. 


        As
soon as practicable after the last Exchange Date, the Company and the Guarantors shall: 


	(i)
	accept
for exchange Registrable Securities or portions thereof validly tendered and not properly withdrawn pursuant to the Exchange Offer; and



	(ii)
	deliver,
or cause to be delivered, to the Trustee for cancellation all Registrable Securities or portions thereof so accepted for exchange by the Company
and issue, and cause the Trustee to promptly authenticate and deliver to each Holder, Exchange Securities equal in principal amount to the principal amount of the Registrable Securities tendered by
such Holder. 



        The
Company and the Guarantors shall use their commercially reasonable efforts to complete the Exchange Offer as provided above and shall comply with the applicable requirements of the
Securities Act, the Exchange Act and other applicable laws and regulations in connection with the Exchange Offer. The Exchange Offer shall not be subject to any conditions, other than that the
Exchange Offer does not violate any applicable law or applicable interpretations of the Staff. 



        (b)   In
the event that (i) the Company and the Guarantors determine that the Exchange Offer Registration provided for in Section 2(a) above is not available or
may not be completed as soon as practicable after the last Exchange Date because it would violate any applicable law or applicable interpretations of the Staff, (ii) the Exchange Offer is not
for any other reason completed by November 12, 2010 or (iii) upon receipt of a written request (a "Shelf Request") from any Initial Purchaser representing that it holds Registrable
Securities that are or were ineligible to be exchanged in the Exchange Offer (which Shelf Request must be made to the Company and the Guarantors on or before the 270th day
following November 17, 2009), the Company and the Guarantors shall use their commercially reasonable efforts to cause to be filed as soon as practicable after such determination, date or Shelf
Request, as the case may be, a Shelf Registration Statement providing for the sale of all the Registrable Securities by the Holders thereof and to have such Shelf Registration Statement become
effective. 


        In
the event that the Company and the Guarantors are required to file a Shelf Registration Statement pursuant to clause (iii) of the preceding sentence, the Company and the
Guarantors shall use their commercially reasonable efforts to file and have become effective both an Exchange Offer Registration Statement pursuant to Section 2(a) with respect to all
Registrable Securities and a Shelf Registration Statement (which may be a combined Registration Statement with the Exchange Offer Registration Statement) with respect to offers and sales of
Registrable Securities held by the Initial Purchasers after completion of the Exchange Offer. 


        In
the event that the Company and the Guarantors are required to file a Shelf Registration Statement pursuant to this Section 2(b), the Company and the Guarantors agree to
use their commercially reasonable efforts to keep the Shelf Registration Statement continuously effective until the earlier of (i) one year following the effective date of such Shelf
Registration Statement or (ii) such shorter period that will terminate when all the Registrable Securities covered by the Shelf Registration Statement have been sold pursuant to the Shelf
Registration Statement (the "Shelf Effectiveness Period"). The Company and the Guarantors further agree to supplement or amend the Shelf Registration Statement, the related Prospectus and any Free
Writing Prospectus if required by the rules, regulations or instructions applicable to the registration form used by the Company for such Shelf Registration Statement or by the Securities Act or by
any other rules and regulations thereunder 


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or
if reasonably requested by a Holder of Registrable Securities with respect to information relating to such Holder, and to use their commercially reasonable efforts to cause any such amendment to
become effective, if required, and such Shelf Registration Statement, Prospectus or Free Writing Prospectus, as the case may be, to become usable as soon as thereafter practicable. The Company and the
Guarantors agree to furnish to the Holders of Registrable Securities copies of any such supplement or amendment promptly after its being used or filed with the SEC. 


        (c)   The
Company and the Guarantors shall pay all Registration Expenses in connection with any registration pursuant to Section 2(a) or Section 2(b) hereof.
Each Holder shall pay all underwriting discounts and commissions, brokerage commissions and transfer taxes, if any, relating to the sale or disposition of such Holder's Registrable Securities pursuant
to the Shelf Registration Statement. 


        (d)   An
Exchange Offer Registration Statement pursuant to Section 2(a) hereof will not be deemed to have become effective unless it has been declared effective by the
SEC. A Shelf Registration Statement pursuant to Section 2(b) hereof will not be deemed to have become effective unless it has been declared effective by the SEC or is automatically effective
upon filing with the SEC as provided by Rule 462 under the Securities Act. 


        In
the event that either the Exchange Offer is not completed or the Shelf Registration Statement, if required pursuant to Section 2(b)(i), 2(b)(ii) or 2(b)(iii) hereof, does not
become effective on or prior to November 12, 2010 (the "Target Registration Date"), the interest rate on the Registrable Securities will be increased by 1.00% per annum until the Exchange Offer
is completed or the Shelf Registration Statement, if required hereby, becomes effective. 


        If
the Shelf Registration Statement, if required hereby, has become effective and thereafter either ceases to be effective or the Prospectus contained therein ceases to be usable, in
each case whether or not permitted by this Agreement, at any time during the Shelf Effectiveness Period, and such failure to remain effective or usable exists for more than 30 days (whether or
not consecutive) in any 12-month period, then the interest rate on the Registrable Securities will be increased by 1.00% per annum commencing on the 31st day in such
12-month period and ending on
such date that the Shelf Registration Statement has again become effective or the Prospectus again becomes usable. 


        (e)   The
provisions for the payment of additional interest set forth in Section 2(d) shall be the only monetary remedy available to Holders for the Company's and the
Guarantors' failure to cause the Exchange Offer Registration Statement or the Shelf Registration Statement to become effective, or continue to be effective, as the case may be, in accordance with the
provisions of this Agreement. 


        3.    Registration Procedures.    (a) In connection with their obligations pursuant to Section 2(a) and
Section 2(b) hereof, the Company and the Guarantors shall as expeditiously as possible: 


        (i)    prepare
and file with the SEC a Registration Statement on the appropriate registration form under the Securities Act, which form (x) shall be selected by the
Company and the Guarantors, (y) shall, in the case of a Shelf Registration, be available for the resale of the Registrable Securities by the Holders thereof and (z) shall comply as to
form in all material respects with the requirements of the applicable form and include all financial statements required by the SEC to be filed therewith; and use their commercially reasonable efforts
to cause such Registration Statement to become effective and remain effective for the applicable period in accordance with Section 2 hereof; 


        (ii)   prepare
and file with the SEC such amendments and post-effective amendments to each Registration Statement as may be necessary to keep such Registration
Statement effective for the applicable period in accordance with Section 2 hereof and cause each Prospectus to be supplemented by any required prospectus supplement and, as so supplemented, to
be filed pursuant to Rule 424 under the Securities Act; and keep each Prospectus current during the period described in Section 4(3) of and Rule 174 under the Securities Act that
is applicable to transactions by brokers or dealers with respect to the Registrable Securities or Exchange Securities; 


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        (iii)  to the extent any Free Writing Prospectus is used, file with the SEC any Free Writing Prospectus that is required to be filed by the Company or the Guarantors with the
SEC in accordance with the Securities Act and to retain any Free Writing Prospectus not required to be filed; 


        (iv)  in
the case of a Shelf Registration, furnish to each Holder of Registrable Securities, to counsel for the Initial Purchasers, to counsel for such Holders and to each
Underwriter of an Underwritten Offering of Registrable Securities, if any, without charge, as many copies of each Prospectus, preliminary prospectus or Free Writing Prospectus, and any amendment or
supplement thereto, as such Holder, counsel or Underwriter may reasonably request in order to facilitate the sale or other disposition of the Registrable Securities thereunder; and the Company and the
Guarantors consent to the use of such Prospectus, preliminary prospectus or such Free Writing Prospectus and any amendment or supplement thereto in accordance with applicable law by each of the
Holders of Registrable Securities and any such Underwriters in connection with the offering and sale of the Registrable Securities covered by and in the manner described in such Prospectus,
preliminary prospectus or such Free Writing Prospectus or any amendment or supplement thereto in accordance with applicable law; 


        (v)   use
their commercially reasonable efforts to register or qualify the Registrable Securities under all applicable state securities or blue sky laws of such jurisdictions
as any Holder of Registrable Securities covered by a Registration Statement shall reasonably request in writing by the time the applicable Registration Statement becomes effective; cooperate with such
Holders in connection with any filings required to be made with Financial Industry Regulatory Authority; and do any and all other acts and things that may be reasonably necessary or advisable to
enable each Holder to complete the disposition in each such jurisdiction of the Registrable Securities owned by such Holder; provided that neither the
Company nor any Guarantor shall be required to (1) qualify as a foreign corporation or other entity or as a dealer in securities in any such jurisdiction where it would not otherwise be
required to so qualify, (2) file any general consent to service of process in any such jurisdiction or (3) subject itself to taxation in any such jurisdiction if it is not so subject; 



        (vi)  notify
counsel for the Initial Purchasers and, in the case of a Shelf Registration, notify each Holder of Registrable Securities and counsel for such Holders promptly
and, if requested by any such Holder or counsel, confirm such advice in writing (1) when a Registration Statement has become effective, when any post-effective amendment thereto has
been filed and becomes effective, when any Free Writing Prospectus has been filed or any amendment or supplement to the Prospectus or any Free Writing Prospectus has been filed, (2) of any
request by the SEC or any state securities authority for amendments and supplements to a Registration Statement, Prospectus or any Free Writing Prospectus or for additional information after the
Registration Statement has become effective, (3) of the issuance by the SEC or any state securities authority of any stop order suspending the effectiveness of a Registration Statement or the
initiation of any proceedings for that purpose, including the receipt by the Company of any notice of objection of the SEC to the use of a Shelf Registration Statement or any
post-effective amendment thereto pursuant to Rule 401(g)(2) under the Securities Act, (4) if, between the applicable effective date of a Shelf Registration Statement and the
closing of any sale of Registrable Securities covered thereby, the representations and warranties of the Company or any Guarantor contained in any underwriting agreement, securities sales agreement or
other similar agreement, if any, relating to an offering of such Registrable Securities cease to be true and correct in all material respects or if the Company or any Guarantor receives any
notification with respect to the suspension of the qualification of the Registrable Securities for sale in any jurisdiction or the initiation of any proceeding for such purpose, (5) of the
happening of any event during the period a Registration Statement is effective that makes any statement made in such Registration Statement or the related Prospectus or any Free Writing Prospectus
untrue in any material respect or that requires the making of any changes in such Registration Statement or Prospectus or any Free Writing Prospectus in order to make the statements therein not
misleading and (6) of any determination by the Company or any 


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Guarantor
that a post-effective amendment to a Registration Statement or any amendment or supplement to the Prospectus or any Free Writing Prospectus would be appropriate; 


        (vii) use
their commercially reasonable efforts to obtain the withdrawal of any order suspending the effectiveness of a Registration Statement or, in the case of a Shelf
Registration, the resolution of any objection of the SEC pursuant to Rule 401(g)(2), including by filing an amendment to such Shelf Registration Statement on the proper form, at the earliest
possible moment and provide immediate notice to each Holder of the withdrawal of any such order or such resolution; 



        (viii)  in
the case of a Shelf Registration, furnish to each Holder of Registrable Securities, without charge, at least one conformed copy of each Registration Statement and
any post-effective amendment thereto (without any documents incorporated therein by reference or exhibits thereto, unless requested); 


        (ix)  in
the case of a Shelf Registration, cooperate with the Holders of Registrable Securities to facilitate the timely preparation and delivery of certificates representing
Registrable Securities to be sold and not bearing any restrictive legends and enable such Registrable Securities to be issued in such denominations and registered in such names (consistent with the
provisions of the Indenture) as such Holders may reasonably request at least one Business Day prior to the closing of any sale of Registrable Securities; 


        (x)   in
the case of a Shelf Registration, upon the occurrence of any event contemplated by Section 3(a)(vi)(5) hereof, use their commercially reasonable efforts to
prepare and file with the SEC a supplement or post-effective amendment to such Shelf Registration Statement or the related Prospectus or any Free Writing Prospectus or any document
incorporated therein by reference or file any other required document so that, as thereafter delivered (or, to the extent permitted by law, made available) to purchasers of the Registrable Securities,
such Prospectus or Free Writing Prospectus, as the case may be, will not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in
the light of the circumstances under which they were made, not misleading; and the Company and the Guarantors shall notify the Holders of Registrable Securities to suspend use of the Prospectus or any
Free Writing Prospectus as promptly as practicable after the occurrence of such an event, and such Holders hereby agree to suspend use of the Prospectus or any Free Writing Prospectus, as the case may
be, until the Company and the Guarantors have amended or supplemented the Prospectus or the Free Writing Prospectus, as the case may be, to correct such misstatement or omission; 


        (xi)  a
reasonable time prior to the filing of any Registration Statement, any Prospectus, any Free Writing Prospectus, any amendment to a Registration Statement or amendment
or supplement to a Prospectus or a Free Writing Prospectus or of any document that is to be incorporated by reference into a Registration Statement, a Prospectus or a Free Writing Prospectus after
initial filing of a Registration Statement, provide copies of such document to the Initial Purchasers and their counsel (and, in the case of a Shelf Registration Statement, to the Holders of
Registrable Securities and their counsel) and make such of the representatives of the Company and the Guarantors as shall be reasonably requested by the Initial Purchasers or their counsel (and, in
the case of a Shelf Registration Statement, the Holders of Registrable Securities or their counsel) available for discussion of such document; and the Company and the Guarantors shall not, at any time
after initial filing of a Registration Statement, use or file any Prospectus, any Free Writing Prospectus, any amendment of or supplement to a Registration Statement or a Prospectus or a Free Writing
Prospectus, or any document that is to be incorporated by reference into a Registration Statement, a Prospectus or a Free Writing Prospectus, of which the Initial Purchasers and their counsel (and, in
the case of a Shelf Registration Statement, the Holders of Registrable Securities and their counsel) shall not have previously been advised and furnished a copy or to which the Initial Purchasers or
their counsel (and, in the case of a Shelf Registration Statement, the Holders of Registrable Securities or their counsel) shall object; 


8







 

        (xii) obtain
a CUSIP number for all Exchange Securities or Registrable Securities, as the case may be, not later than the initial effective date of a Registration Statement; 


        (xiii)  cause
the Indenture to be qualified under the Trust Indenture Act in connection with the registration of the Exchange Securities or Registrable Securities, as the
case may be; cooperate with the Trustee and the Holders to effect such changes to the Indenture as may be required for the Indenture to be so qualified in accordance with the terms of the Trust
Indenture Act; and execute, and use their commercially reasonable efforts to cause the Trustee to execute, all documents as may be required to effect such changes and all other forms and documents
required to be filed with the SEC to enable the Indenture to be so qualified in a timely manner; 


        (xiv) in
the case of a Shelf Registration, make available for inspection by a representative of the Holders of the Registrable Securities (an "Inspector"), any Underwriter
participating in any disposition pursuant to such Shelf Registration Statement, any attorneys and accountants designated by a majority of the Holders of Registrable Securities to be included in such
Shelf Registration and any attorneys and accountants designated by such Underwriter, at reasonable times and in a reasonable manner, all pertinent financial and other records, documents and properties
of the Company and its subsidiaries, and cause the respective officers, directors and employees of the Company and the Guarantors to supply all information reasonably requested by any such Inspector,
Underwriter, attorney or accountant in connection with a Shelf Registration Statement; provided that if any such information is identified by the
Company or any Guarantor as being confidential or proprietary, each Person receiving such information shall take such actions as are reasonably necessary to protect the confidentiality of such
information to the extent such action is otherwise not inconsistent with, an impairment of or in derogation of the rights and interests of any Inspector, Holder or Underwriter; 



        (xv) in
the case of a Shelf Registration, use their commercially reasonable efforts to cause all Registrable Securities to be listed on any securities exchange or any
automated quotation system on which similar securities issued or guaranteed by the Company or any Guarantor are then listed if requested by the Majority Holders, to the extent such Registrable
Securities satisfy applicable listing requirements; 


        (xvi) if
reasonably requested by any Holder of Registrable Securities covered by a Shelf Registration Statement, promptly include in a Prospectus supplement or
post-effective amendment such information with respect to such Holder as such Holder reasonably requests to be included therein and make all required filings of such Prospectus supplement
or such post-effective amendment as soon as the Company has received notification of the matters to be so included in such filing; 


        (xvii)  in
the case of an Underwritten Offering pursuant to a Shelf Registration Statement, enter into such customary agreements and take all such other actions in connection
therewith (including those requested by the Holders of a majority in principal amount of the Registrable Securities covered by the Shelf Registration Statement) in order to expedite or facilitate the
disposition of such Registrable Securities and in such connection, (1) to the extent possible, make such representations and warranties to the Holders and any Underwriters of such Registrable
Securities with respect to the business of the Company and its subsidiaries and the Registration Statement, Prospectus, any Free Writing Prospectus and documents incorporated by reference or deemed
incorporated by reference, if any, in each case, in form, substance and scope as are customarily made by issuers to underwriters in underwritten offerings and confirm the same if and when requested,
(2) obtain opinions of counsel to the Company and the Guarantors (which counsel and opinions, in form, scope and substance, shall be reasonably satisfactory to such Underwriters and their
counsel) addressed to each Underwriter of Registrable Securities, covering the matters customarily covered in opinions requested in underwritten offerings, (3) obtain "comfort" letters from the
independent certified public accountants of the Company and the Guarantors (and, if necessary, any other certified public accountant of any subsidiary of the Company or any Guarantor, or of any
business acquired by the Company or any Guarantor for 


9







 



which
financial statements and financial data are or are required to be included in the Registration Statement) addressed to each selling Holder (to the extent permitted by applicable professional
standards) and Underwriter of Registrable Securities, such letters to be in customary form and covering matters of the type customarily covered in "comfort" letters in connection with underwritten
offerings, including but not limited to financial information contained in any preliminary prospectus, Prospectus or Free Writing Prospectus (4) reserve report confirmation letters from the
independent reserve engineers of the Company and the Guarantors in the customary form and covering matters of the type customarily included in such letters to underwriters in connection with primary
underwritten offerings and (5) deliver such documents and certificates as may be reasonably requested by the Holders of a majority in principal amount of the Registrable Securities being sold
or the Underwriters, and which are customarily delivered in underwritten offerings, to evidence the continued validity of the representations and warranties of the Company and the Guarantors made
pursuant to clause (1) above and to evidence compliance with any customary conditions contained in an underwriting agreement; and 



        (xviii)  so
long as any Registrable Securities remain outstanding, cause each Additional Guarantor upon the creation or acquisition by the Company of such Additional
Guarantor, to execute a counterpart to this Agreement in the form attached hereto as Annex A and to deliver such counterpart, together with an opinion of counsel as to the enforceability
thereof against such entity, to the Initial Purchasers no later than five Business Days following the execution thereof. 


        (b)   In
the case of a Shelf Registration Statement, the Company may require each Holder of Registrable Securities to furnish to the Company such information regarding such
Holder and the proposed disposition by such Holder of such Registrable Securities as the Company and the Guarantors may from time to time reasonably request in writing. 


        (c)   In
the case of a Shelf Registration Statement, each Holder of Registrable Securities covered in such Shelf Registration Statement agrees that, upon receipt of any notice
from the Company and the Guarantors of the happening of any event of the kind described in Section 3(a)(vi)(3) or 3(a)(vi)(5) hereof, such Holder will forthwith discontinue disposition of
Registrable Securities pursuant to the Shelf Registration Statement until such Holder's receipt of the copies of the supplemented or amended Prospectus and any Free Writing Prospectus contemplated by
Section 3(a)(x) hereof and, if so directed by the Company and the Guarantors, such Holder will deliver to the Company and the Guarantors all copies in its possession, other than permanent file
copies then in such Holder's possession, of the Prospectus and any Free Writing Prospectus covering such Registrable Securities that is current at the time of receipt of such notice. 


        (d)   If
the Company and the Guarantors shall give any notice to suspend the disposition of Registrable Securities pursuant to a Registration Statement, the Company and the
Guarantors shall extend the period during which such Registration Statement shall be maintained effective pursuant to this Agreement by the number of days during the period from and including the date
of the giving of such notice to and including the date when the Holders of such Registrable Securities shall have received copies of the supplemented or amended Prospectus or any Free Writing
Prospectus necessary to resume such dispositions. The Company and the Guarantors may give any such notice only twice during any 365-day period and any such suspensions shall not exceed
30 days for each suspension and there shall not be more than two suspensions in effect during any 365-day period. 


        (e)   The
Holders of Registrable Securities covered by a Shelf Registration Statement who desire to do so may sell such Registrable Securities in an Underwritten Offering. In
any such Underwritten Offering, the investment bank or investment banks and manager or managers (each an "Underwriter") that will administer the offering will be selected by the Holders of a majority
in principal amount of the Registrable Securities included in such offering. 


10







 

        4.    Participation of Broker-Dealers in Exchange Offer.    (a) The Staff has taken the position that any
broker-dealer that receives Exchange Securities for its own account in the Exchange Offer in exchange for Securities that were acquired by such broker-dealer as a result of market-making or other
trading activities (a "Participating Broker-Dealer") may be deemed to be an "underwriter" within the meaning of the Securities Act and must deliver a prospectus meeting the requirements of the
Securities Act in connection with any resale of such Exchange Securities. 


        The
Company and the Guarantors understand that it is the Staff's position that if the Prospectus contained in the Exchange Offer Registration Statement includes a plan of distribution
containing a statement to the above effect and the means by which Participating Broker-Dealers may resell the Exchange Securities, without naming the Participating Broker-Dealers or specifying the
amount of
Exchange Securities owned by them, such Prospectus may be delivered by Participating Broker-Dealers (or, to the extent permitted by law, made available to purchasers) to satisfy their prospectus
delivery obligation under the Securities Act in connection with resales of Exchange Securities for their own accounts, so long as the Prospectus otherwise meets the requirements of the Securities Act. 


        (b)   In
light of the above, and notwithstanding the other provisions of this Agreement, the Company and the Guarantors agree to amend or supplement the Prospectus contained
in the Exchange Offer Registration Statement for a period of up to 180 days after the last Exchange Date (as such period may be extended pursuant to Section 3(d) of this Agreement), in
order to expedite or facilitate the disposition of any Exchange Securities by Participating Broker-Dealers consistent with the positions of the Staff recited in Section 4(a) above. The Company
and the Guarantors further agree that Participating Broker-Dealers shall be authorized to deliver such Prospectus (or, to the extent permitted by law, make available) during such period in connection
with the resales contemplated by this Section 4. 


        (c)   The
Initial Purchasers shall have no liability to the Company, any Guarantor or any Holder with respect to any request that they may make pursuant to Section 4(b)
above. 


        5.    Indemnification and Contribution.    (a) The Company and each Guarantor, jointly and severally, agree to
indemnify and hold harmless each Initial Purchaser and each Holder, their respective affiliates, directors and officers and each Person, if any, who controls any Initial Purchaser or any Holder within
the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, from and against any and all losses, claims, damages and liabilities (including, without limitation,
legal fees and other expenses incurred in connection with any suit, action or proceeding or any claim asserted, as such fees and expenses are incurred), joint or several, that arise out of, or are
based upon, (1) any untrue statement or alleged untrue statement of a material fact contained in any Registration Statement or any omission or alleged omission to state therein a material fact
required to be stated therein or necessary in order to make the statements therein not misleading, or (2) any untrue statement or alleged untrue statement of a material fact contained in any
Prospectus, any Free Writing Prospectus or any "issuer information" ("Issuer Information") filed or required to be filed pursuant to Rule 433(d) under the Securities Act, or any omission or
alleged omission to state therein a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, in each case except
insofar as such losses, claims, damages or liabilities arise out of, or are based upon, any untrue statement or omission or alleged untrue statement or omission made in reliance upon and in conformity
with any information relating to any Initial Purchaser or information relating to any Holder furnished to the Company in writing through JPMorgan or any selling Holder, respectively, expressly for use
therein. In connection with any Underwritten Offering permitted by Section 3, the Company and the Guarantors, jointly and severally, will also indemnify the Underwriters, their affiliates and
each Person who controls such Underwriters (within the meaning of the Securities Act and the Exchange Act) to the same extent as provided above with respect to the indemnification of the Holders, if
requested in connection with any Registration Statement, any Prospectus, any Free Writing Prospectus or any Issuer Information. 


11







 

        (b)   Each
Holder agrees, severally and not jointly, to indemnify and hold harmless the Company, the Guarantors, the Initial Purchasers and the other selling Holders, the
directors of the Company and the Guarantors, each officer of the Company and the Guarantors who signed the Registration Statement and each Person, if any, who controls the Company, the Guarantors, any
Initial Purchaser and any other selling Holder within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act to the same extent as the indemnity set forth in
paragraph (a) above, but only with respect to any losses, claims, damages or liabilities that arise out of, or are based upon, any untrue statement or omission or alleged untrue statement or
omission made in reliance upon and in conformity with any information relating to such Holder furnished to the Company in writing by such Holder expressly for use in any Registration Statement, any
Prospectus and any Free Writing Prospectus. 


        (c)   If
any suit, action, proceeding (including any governmental or regulatory investigation), claim or demand shall be brought or asserted against any Person in respect of
which indemnification may be sought pursuant to either paragraph (a) or (b) above, such Person (the "Indemnified Person") shall promptly notify the Person against whom such
indemnification may be sought (the "Indemnifying Person") in writing; provided that the failure to notify the Indemnifying Person shall not relieve it
from any liability that it may have under this Section 5 except to the extent that it has been materially prejudiced (through the forfeiture of substantive rights or defenses) by such failure;
and provided, further, that the failure to notify the Indemnifying Person shall not relieve it from any
liability that it may have to an Indemnified Person otherwise than under this Section 5. If any such proceeding shall be brought or asserted against an Indemnified Person and it shall have
notified the Indemnifying Person thereof, the Indemnifying Person shall retain counsel reasonably satisfactory to the Indemnified Person to represent the Indemnified Person and any others entitled to
indemnification pursuant to this Section 5 that the Indemnifying Person may designate in such proceeding and shall pay the fees and expenses of such proceeding and shall pay the fees and
expenses of such counsel related to such proceeding, as incurred. In any such proceeding, any Indemnified Person shall have the right to retain its own counsel, but the fees and expenses of such
counsel shall be at the expense of such Indemnified Person unless (i) the Indemnifying Person and the Indemnified Person shall have mutually agreed to the contrary; (ii) the Indemnifying
Person has failed within a reasonable time to retain counsel reasonably satisfactory to the Indemnified Person; (iii) the Indemnified Person shall have reasonably concluded that there may be
legal defenses available to it that are different from or in addition to those available to the Indemnifying Person; or (iv) the named parties in any such proceeding (including any impleaded
parties) include both the Indemnifying Person and the Indemnified Person and representation of both parties by the same counsel would be inappropriate due to actual or potential differing interests
between them. It is understood and agreed that the Indemnifying Person shall not, in connection with any proceeding or related proceeding in the same jurisdiction, be liable for the fees and expenses
of more than one separate firm (in addition to any local counsel) for all Indemnified Persons, and that all such fees and expenses shall be reimbursed as they are incurred. Any such separate firm
(x) for any Initial Purchaser, its affiliates, directors and officers and any control Persons of such Initial Purchaser shall be designated in writing by JPMorgan, (y) for any Holder,
its directors and officers and any control Persons of such Holder shall be designated in writing by the Majority Holders and (z) in all other cases shall be designated in writing by the
Company. The Indemnifying Person shall not be liable for any settlement of any proceeding effected without its written consent, but if settled with such consent or if there be a final judgment for the
plaintiff, the Indemnifying Person agrees to indemnify each Indemnified Person from and against any loss or liability by reason of such settlement or judgment. No Indemnifying Person shall, without
the written consent of the Indemnified Person, effect any settlement of any pending or threatened proceeding in respect of which any Indemnified Person is or could have been a party and
indemnification could have been sought hereunder by such Indemnified Person, unless such settlement (A) includes an unconditional release of such Indemnified Person, in form and substance
reasonably satisfactory to such Indemnified Person, 


12







 



from
all liability on claims that are the subject matter of such proceeding and (B) does not include any statement as to or any admission of fault, culpability or a failure to act by or on
behalf of any Indemnified Person. 


        (d)   If
the indemnification provided for in paragraphs (a) and (b) above is unavailable to an Indemnified Person or insufficient in respect of any losses,
claims, damages or liabilities referred to therein, then each Indemnifying Person under such paragraph, in lieu of indemnifying such Indemnified Person thereunder, shall contribute to the amount paid
or payable by such Indemnified Person as a result of such losses, claims, damages or liabilities (i) in such proportion as is appropriate to reflect the relative benefits received by the
Company and the Guarantors from the offering of the Securities and the Exchange Securities, on the one hand, and by the Holders from receiving Securities or Exchange Securities registered under the
Securities Act, on the other hand, or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such proportion as is appropriate to reflect not only the
relative benefits referred to in clause (i) but also the relative fault of the Company and the Guarantors on the one hand and the Holders on the other in connection with the statements or
omissions that resulted in such losses, claims, damages or liabilities, as well as any other relevant equitable considerations. The relative fault of the Company and the Guarantors on the one hand and
the Holders on the other shall be determined by reference to, among other things, whether the untrue or alleged untrue statement of a material fact or the omission or alleged omission to state a
material fact relates to information supplied by the Company and the Guarantors or by the Holders and the parties' relative intent, knowledge, access to information and opportunity to correct or
prevent such statement or omission. 


        (e)   The
Company, the Guarantors and the Holders agree that it would not be just and equitable if contribution pursuant to this Section 5 were determined by  pro rata allocation (even if the Holders were
treated as one entity for such purpose) or by any other method of allocation that does not take account of
the equitable considerations referred to in paragraph (d) above. The amount paid or payable by an Indemnified Person as a result of the losses, claims, damages and liabilities referred to in
paragraph (d) above shall be deemed to include, subject to the limitations set forth above, any legal or other expenses incurred by such Indemnified Person in connection with any such action or
claim. Notwithstanding the provisions of this Section 5, in no event shall a Holder be required to contribute any amount in excess of the amount by which the total price at which the Securities
or Exchange Securities sold by such Holder exceeds the amount of any damages that such Holder has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or
alleged omission. No Person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any Person who was not
guilty of such fraudulent misrepresentation. The Holders' obligations to contribute pursuant to this Section 5 are several and not joint. 


        (f)    The
remedies provided for in this Section 5 are not exclusive and shall not limit any rights or remedies that may otherwise be available to any Indemnified Person
at law or in equity. 


        (g)   The
indemnity and contribution provisions contained in this Section 5 shall remain operative and in full force and effect regardless of (i) any termination
of this Agreement, (ii) any investigation made by or on behalf of the Initial Purchasers or any Holder or any Person controlling any Initial Purchaser or any Holder, or by or on behalf of the
Company or the Guarantors or the officers or directors of or any Person controlling the Company or the Guarantors, (iii) acceptance of any of the Exchange Securities and (iv) any sale of
Registrable Securities pursuant to a Shelf Registration Statement. 


        6.    General.    


        (a)    No Inconsistent Agreements.    The Company and the Guarantors represent, warrant and agree that (i) the
rights granted to the Holders hereunder do not in any way conflict with and are not 


13







 

inconsistent
with the rights granted to the holders of any other outstanding securities issued or guaranteed by the Company or any Guarantor under any other agreement and (ii) neither the
Company nor any Guarantor has entered into, or on or after the date of this Agreement will enter into, any agreement that is inconsistent with the rights granted to the Holders of Registrable
Securities in this Agreement or otherwise conflicts with the provisions hereof. 



        (b)    Amendments and Waivers.    The provisions of this Agreement, including the provisions of this sentence, may not
be amended, modified or supplemented, and waivers or consents to departures from the provisions hereof may not be given unless the Company and the Guarantors have obtained the written consent of
Holders of at least a majority in aggregate principal amount of the outstanding Registrable Securities affected by such amendment, modification, supplement, waiver or consent;  provided that no amendment,
 modification, supplement, waiver or consent to any departure from the provisions of Section 5 hereof shall be
effective as against any Holder of Registrable Securities unless consented to in writing by such Holder. Any amendments, modifications, supplements, waivers or consents pursuant to this
Section 6(b) shall be by a writing executed by each of the parties hereto. 


        (c)    Notices.    All notices and other communications provided for or permitted hereunder shall be made in writing
by hand-delivery, registered first-class mail, telex, telecopier, or any courier guaranteeing overnight delivery (i) if to a Holder, at the most current address given by such Holder
to the Company by means of a notice given in accordance with the provisions of this Section 6(c), which address initially is, with respect to the Initial Purchasers, the address set forth in
the Purchase Agreement; (ii) if to the Company and the Guarantors, initially at the Company's address set forth in the Purchase Agreement and thereafter at such other address, notice of which
is given in accordance with the provisions of this Section 6(c); and (iii) to such other persons at their respective addresses as provided in the Purchase Agreement and thereafter at
such other address, notice of which is given in accordance with the provisions of this Section 6(c). All such notices and communications shall be deemed to have been duly given: at the time
delivered by hand, if personally delivered; five Business Days after being deposited in the mail, postage prepaid, if mailed; when answered back, if telexed; when receipt is acknowledged, if
telecopied; and on the next Business Day if timely delivered to an air courier guaranteeing overnight delivery. Copies of all such notices, demands or other communications shall be concurrently
delivered by the Person giving the same to the Trustee, at the address specified in the Indenture. 


        (d)    Successors and Assigns.    This Agreement shall inure to the benefit of and be binding upon the successors,
assigns and transferees of each of the parties, including, without limitation and without the need for an express assignment, subsequent Holders;  provided that nothing herein shall be deemed to permit
any assignment, transfer or other disposition of Registrable Securities in violation of the terms
of the Purchase Agreement or the Indenture. If any transferee of any Holder shall acquire Registrable Securities in any manner, whether by operation of law or otherwise, such Registrable Securities
shall be held subject to all the terms of this Agreement, and by taking and holding such Registrable Securities
such Person shall be conclusively deemed to have agreed to be bound by and to perform all of the terms and provisions of this Agreement and such Person shall be entitled to receive the benefits
hereof. The Initial Purchasers (in their capacity as Initial Purchasers) shall have no liability or obligation to the Company or the Guarantors with respect to any failure by a Holder to comply with,
or any breach by any Holder of, any of the obligations of such Holder under this Agreement. 



        (e)    Third Party Beneficiaries.    Each Holder shall be a third party beneficiary to the agreements made hereunder
between the Company and the Guarantors, on the one hand, and the Initial Purchasers, on the other hand, and shall have the right to enforce such agreements directly to the extent it deems such
enforcement necessary or advisable to protect its rights or the rights of other Holders hereunder. 


14







 

        (f)    Counterparts.    This Agreement may be executed in any number of counterparts and by the parties hereto in
separate counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. 


        (g)    Headings.    The headings in this Agreement are for convenience of reference only, are not a part of this
Agreement and shall not limit or otherwise affect the meaning hereof. 



        (h)    Governing Law.    This Agreement shall be governed by and construed in accordance with the laws of the State of
New York. 


        (j)    Entire Agreement; Severability.    This Agreement contains the entire agreement between the parties relating to
the subject matter hereof and supersedes all oral statements and prior writings with respect thereto. If any term, provision, covenant or restriction contained in this Agreement is held by a court of
competent jurisdiction to be invalid, void or unenforceable or against public policy, the remainder of the terms, provisions, covenants and restrictions contained herein shall remain in full force and
effect and shall in no way be affected, impaired or invalidated. The Company, the Guarantors and the Initial Purchasers shall endeavor in good faith negotiations to replace the invalid, void or
unenforceable provisions with valid provisions the economic effect of which comes as close as possible to that of the invalid, void or unenforceable provisions. 


15







 

        IN
WITNESS WHEREOF, the parties have executed this Agreement as of the date first written above. 

 






 



							
	

 	
 	
ANTERO RESOURCES FINANCE CORPORATION
	

 	
 	
By:	
 	
/s/ ALVYN A. SCHOPP







 
	 	 	 	 	Name:	 	Alvyn A. Schopp
	 	 	 	 	Title:	 	Vice President and Treasurer
	

 	
 	
Guarantors:
	

 	
 	
ANTERO RESOURCES LLC

ANTERO RESOURCES CORPORATION

ANTERO RESOURCES MIDSTREAM CORPORATION

ANTERO RESOURCES PICEANCE CORPORATION

ANTERO RESOURCES PIPELINE CORPORATION

ANTERO RESOURCES APPALACHIAN CORPORATION
	

 	
 	
By:	
 	
/s/ ALVYN A. SCHOPP







 
	 	 	 	 	Name:	 	Alvyn A. Schopp
	 	 	 	 	Title:	 	Vice President and Treasurer




 

  


 






 



					
	

Confirmed and accepted as of the date first above written:
	

J.P. MORGAN SECURITIES INC.
	

For itself and on behalf of the

several Initial Purchasers
	
 By	
 	
/s/ ROBERT MERTENSOTTO






  Authorized Signatory	
 	

 




 

 16













































 
Schedule 1 


Guarantors  


Antero Resources Corporation

Antero Resources Midstream Corporation

Antero Resources Piceance Corporation

Antero Resources Pipeline Corporation

Antero Resources Appalachian Corporation 








Annex A



Counterpart to Registration Rights Agreement  


        The undersigned hereby absolutely, unconditionally and irrevocably agrees as a Guarantor (as defined in the Registration Rights Agreement, dated as of
January 19, 2010 by and among Antero Resources Finance Corporation, a Delaware corporation, the guarantors party thereto and J.P. Morgan
Securities Inc., on behalf of itself and the other Initial Purchasers) to be bound by the terms and provisions of such Registration Rights Agreement. 


        IN
WITNESS WHEREOF, the undersigned has executed this counterpart as
of                                    . 

 






 



					
	

 	
 	
[NAME]
	

 	
 	
By:	
 	
  






  Name:

Title:




 

 








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REGISTRATION RIGHTS AGREEMENT