Document:

Registration Rights Agreement dated July 27, 2006

 Exhibit 4.4 
 $125,000,000 
 PETROHAWK ENERGY CORPORATION 
 9 1/8% SENIOR
NOTES DUE 2013 
 REGISTRATION RIGHTS AGREEMENT 
 July 27, 2006 
 CREDIT SUISSE
SECURITIES (USA) LLC 
 LEHMAN BROTHERS INC. 
 BNP PARIBAS SECURITIES CORP. 
 BANC OF AMERICA SECURITIES LLC 
 J.P. MORGAN SECURITIES INC. 
 BMO CAPITAL MARKETS CORP. 
 MORGAN STANLEY & CO. INCORPORATED 
  

	c/o:	Credit Suisse Securities (USA) LLC 

	    	Eleven Madison Avenue 

	    	New York, New York 10010-3629 

 Dear
Sirs: 
 Petrohawk Energy Corporation, a Delaware corporation (the “Issuer”), proposes to issue and sell to Credit Suisse
Securities (USA) LLC, Lehman Brothers Inc., BNP Paribas Securities Corp., Banc of America Securities LLC, J.P. Morgan Securities Inc., BMO Capital Markets Corp. and Morgan Stanley & Co. Incorporated (collectively, the “Initial
Purchasers”), upon the terms set forth in a purchase agreement dated July 24, 2006 (the “Purchase Agreement”), $125,000,000 aggregate principal amount of its 9 1/8% Senior Notes due 2013 (the “Initial Securities”) to be unconditionally guaranteed (the “Guarantees”) by certain of the
Issuer’s subsidiaries who are signatories hereto as guarantors (collectively, the “Guarantors” and together with the Issuer, the “Company”). The Initial Securities will be issued as additional debt securities
pursuant to an Indenture, dated as of July 12, 2006, pursuant to which the Issuer previously issued $650,000,000 aggregate principal amount of its 9 1/8% Senior Notes due 2013 (the “Original Securities”), as supplemented by the First Supplemental Indenture thereto dated as of July 12, 2006 (such Indenture, as so supplemented,
being called herein the “Indenture”), among the Issuer, the Guarantors named therein and U.S. Bank National Association (the “Trustee”). As an inducement to the Initial Purchasers, the Company agrees with the
Initial Purchasers, for the benefit of the holders of the Initial Securities (including, without limitation, the Initial Purchasers), the Exchange Securities (as defined below) and the Private Exchange Securities (as defined below) (collectively,
the “Holders”), as follows: 
 1. Registered Exchange Offer. The Company shall, at its own cost, prepare
and, not later than 90 days after (or if the 90th day is not a business day, the first business day thereafter) the date of original issue of the Original Securities (the “Issue Date”), July 12, 2006, file with the Securities
and Exchange Commission (the “Commission”) a registration statement (the “Exchange Offer Registration Statement”) on an appropriate form under the Securities Act of 1933, as amended (the “Securities
Act”), with respect to a proposed offer (the “Registered Exchange Offer”) to the Holders of Transfer Restricted Securities (as defined in Section 6(d) hereof), who are not prohibited by any law or policy of the
Commission from participating in the Registered Exchange Offer, to issue and deliver to such Holders, in exchange for the Initial Securities, a like aggregate principal amount of debt securities (the “Exchange Securities”) of the
Company issued under the Indenture and identical in all material respects to the Initial Securities (except for the transfer restrictions relating to the Initial Securities and the provisions relating to the matters described in Section 6(d)
hereof) that would be registered under the Securities Act. The Company shall use its reasonable best efforts to cause such Exchange Offer Registration Statement to be declared effective under the Securities Act within 180 days (or if the 180th day
is 

 
not a business day, the first business day thereafter) after the Issue Date and shall keep the Registered Exchange Offer open for not less than
20 business days (or longer, if required by applicable law) after the date notice of the Registered Exchange Offer is mailed to the Holders (such period being called the “Exchange Offer Registration Period”). 
 Notwithstanding any other provision of this Agreement to the contrary, the Registered Exchange Offer may be combined with the exchange offer for the
Original Securities, and the Exchange Offer Registration Statement may register securities to be offered pursuant to both the Registered Exchange Offer and such exchange offer for the Original Securities. 
 If the Company commences the Registered Exchange Offer, the Company will be entitled to close the Registered Exchange Offer 20 business days after the
commencement thereof provided that the Company has accepted all the Initial Securities theretofore validly tendered, and not withdrawn, in accordance with the terms of the Registered Exchange Offer. 
 Following the declaration of the effectiveness of the Exchange Offer Registration Statement, the Company shall promptly commence the Registered Exchange
Offer, it being the objective of such Registered Exchange Offer to enable each Holder of Transfer Restricted Securities electing to exchange the Initial Securities for Exchange Securities (assuming that such Holder is not an affiliate of the Company
within the meaning of the Securities Act, acquires the Exchange Securities in the ordinary course of such Holder’s business and has no arrangements or understanding with any person to participate in the distribution of the Exchange Securities
and is not prohibited by any law or policy of the Commission from participating in the Registered Exchange Offer) to trade such Exchange Securities from and after their receipt without any limitations or restrictions under the Securities Act and
without material restrictions under the securities laws of the several states of the United States; provided, however, that the Exchanging Dealers (as defined below) will be required to deliver a prospectus in connection with resales of Exchange
Securities. 
 The Company acknowledges that, pursuant to current interpretations by the Commission’s staff of Section 5 of the
Securities Act, in the absence of an applicable exemption therefrom, (i) each Holder which is a broker-dealer electing to exchange Initial Securities, acquired for its own account as a result of market making activities or other trading
activities, for Exchange Securities (an “Exchanging Dealer”), is required to deliver a prospectus containing the information set forth in (a) Annex A hereto on the cover, (b) Annex B hereto in the
“Exchange Offer Procedures” section and the “Purpose of the Exchange Offer” section, and (c) Annex C hereto in the “Plan of Distribution” section of such prospectus in connection with a sale of any such
Exchange Securities received by such Exchanging Dealer pursuant to the Registered Exchange Offer and (ii) an Initial Purchaser that elects to sell Exchange Securities acquired in exchange for Initial Securities constituting any portion of an
unsold allotment is required to deliver a prospectus containing the information required by Items 507 or 508 of Regulation S-K under the Securities Act, as applicable, in connection with such sale. 
 The Company shall use its reasonable best efforts to keep the Exchange Offer Registration Statement effective and to amend and supplement the prospectus
contained therein, in order to permit such prospectus to be lawfully delivered by all persons subject to the prospectus delivery requirements of the Securities Act for such period of time as such persons must comply with such requirements in order
to resell the Exchange Securities; provided, however, that (i) in the case where such prospectus and any amendment or supplement thereto must be delivered by an Exchanging Dealer or an Initial Purchaser, such period shall be the lesser
of 180 days and the date on which all Exchanging Dealers and the Initial Purchasers have sold all Exchange Securities held by them (unless such period is extended pursuant to Section 3(j) below) and (ii) the Company shall make such
prospectus and any amendment or supplement thereto, available to any broker-dealer for use in connection with any resale of any Exchange Securities for a period of not less than 180 days after the consummation of the Registered Exchange Offer.

 If, upon consummation of the Registered Exchange Offer, any Initial Purchaser holds Initial Securities acquired by it as part of its
initial distribution, the Company, simultaneously with the delivery of the Exchange 

  

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Securities pursuant to the Registered Exchange Offer, shall issue and deliver to such Initial Purchaser upon the written request of such Initial Purchaser,
in exchange (the “Private Exchange”) for the Initial Securities held by such Initial Purchaser, a like principal amount of debt securities of the Company issued under the Indenture and identical in all material respects (including
the existence of restrictions on transfer under the Securities Act and the securities laws of the several states of the United States, but excluding provisions relating to the matters described in Section 6 hereof) to the Initial Securities
(the “Private Exchange Securities”). The Initial Securities, the Exchange Securities and the Private Exchange Securities are herein collectively called the “Securities.” 
 In connection with the Registered Exchange Offer, the Company shall: 
 (a) deliver to each Holder a copy of the prospectus forming part of the Exchange Offer Registration Statement, together with an
appropriate Letter of Transmittal and related documents; 
 (b) keep the Registered Exchange Offer open for not less than 20
business days (or longer, if required by applicable law) after the date notice thereof is mailed to the Holders; 
 (c)
utilize the services of a depositary for the Registered Exchange Offer, which may be the Trustee or an affiliate of the Trustee; 
 (d) permit Holders to withdraw tendered Securities at any time prior to the close of business, New York time, on the last business day on which the Registered Exchange Offer shall remain open; and 
 (e) otherwise comply with all applicable laws. 
 As soon as practicable after the close of the Registered Exchange Offer or the Private Exchange, as the case may be, the Company shall: 
 (x) accept for exchange all the Securities validly tendered and not withdrawn pursuant to the Registered Exchange Offer and the Private
Exchange; and 
 (y) cause the Trustee to deliver promptly to each Holder of the Initial Securities, Exchange Securities or
Private Exchange Securities, as the case may be, equal in principal amount to the Initial Securities of such Holder so accepted for exchange. 
 The Indenture provides that the Exchange Securities will not be subject to the transfer restrictions set forth in the Indenture and that all the Securities will vote and consent together on all matters as one class and that none of the
Securities will have the right to vote or consent as a class separate from one another on any matter. 
 Interest on each Exchange Security
and Private Exchange Security issued pursuant to the Registered Exchange Offer and in the Private Exchange will accrue from the last interest payment date on which interest was paid on the Initial Securities surrendered in exchange therefor or, if
no interest has been paid on the Initial Securities, from the Issue Date. 
 Each Holder participating in the Registered Exchange Offer shall
be required to represent to the Company that at the time of the consummation of the Registered Exchange Offer (i) any Exchange Securities received by such Holder will be acquired in the ordinary course of its business, (ii) such Holder has
no arrangements or understanding with any person to participate in the distribution of the Securities or the Exchange Securities within the meaning of the Securities Act, (iii) such Holder is not an “affiliate,” as defined in
Rule 405 of the Securities Act, of the Company or if it is an affiliate, such Holder will comply with the registration and prospectus delivery requirements of the Securities Act to the extent applicable, (iv) if such Holder is not a
broker-dealer, that it is not engaged in, and does not intend to engage in, the distribution of the Exchange Securities and (v) if such Holder is a broker-dealer, that it will receive Exchange Securities for its own account in exchange for
Initial Securities that were acquired as a result of market-making activities or other trading activities and that it will be required to acknowledge that it will deliver a prospectus in connection with any resale of such Exchange Securities.

  

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 Notwithstanding any other provisions hereof, the Company will ensure that (i) any Exchange Offer
Registration Statement and any amendment thereto and any prospectus forming part thereof and any supplement thereto comply in all material respects with the Securities Act and the rules and regulations thereunder, (ii) any Exchange Offer
Registration Statement and any amendment thereto do not, when they become effective, contain an untrue statement of a material fact or omit to state a material fact required to be stated therein or necessary to make the statements therein not
misleading and (iii) any prospectus forming part of any Exchange Offer Registration Statement, and any supplement to such prospectus, do not include an untrue statement of a material fact or omit to state a material fact required to be stated
therein or necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading. 
 2. Shelf Registration. If, (i) because of any change in law or in applicable interpretations thereof by the staff of the Commission, the Company is not permitted to effect a Registered Exchange Offer, as contemplated by
Section 1 hereof, (ii) the Registered Exchange Offer is not consummated within 220 days of the Issue Date, (iii) any Initial Purchaser so requests with respect to the Initial Securities (or the Private Exchange Securities) not
eligible to be exchanged for Exchange Securities in the Registered Exchange Offer and held by it following consummation of the Registered Exchange Offer or (iv) any Holder (other than an Exchanging Dealer) is not eligible to participate in the
Registered Exchange Offer or, in the case of any Holder (other than an Exchanging Dealer) that participates in the Registered Exchange Offer, such Holder does not receive freely tradeable Exchange Securities on the date of the exchange, the Company
shall take the following actions: 
 (a) The Company shall, at its cost, as promptly as practicable (but in no event more than
30 days after so required or requested pursuant to this Section 2 file with the Commission and thereafter shall use its reasonable best efforts to cause to be declared effective (unless it becomes effective automatically upon filing) a
registration statement (the “Shelf Registration Statement” and, together with the Exchange Offer Registration Statement, a “Registration Statement”) on an appropriate form under the Securities Act relating to the
offer and sale of the Transfer Restricted Securities by the Holders thereof from time to time in accordance with the methods of distribution set forth in the Shelf Registration Statement and Rule 415 under the Securities Act (hereinafter, the
“Shelf Registration”) on or prior to the 180th day following the Issue Date in the case of clause (i) above and on or prior to the 90th day after the date on which the Shelf Registration Statement is required to be filed in the
case of clauses (ii), (iii) and (iv) above; provided, however, that no Holder (other than an Initial Purchaser) shall be entitled to have the Securities held by it covered by such Shelf Registration Statement unless such Holder
agrees in writing to be bound by all the provisions of this Agreement applicable to such Holder. 
 (b) The Company shall use
its reasonable best efforts to keep the Shelf Registration Statement continuously effective, in order to permit the prospectus included therein to be lawfully delivered by the Holders of the relevant Securities, for a period of two years (or for
such longer period if extended pursuant to Section 3(j) below) from the date of its effectiveness or such shorter period that will terminate when all the Securities covered by the Shelf Registration Statement (i) have been sold pursuant
thereto or (ii) may be sold without any limitations under clauses (c), (e) and (f) of Rule 144 under the Securities Act, or any successor rule thereof) (the “Shelf Registration Period”). The Company shall be
deemed not to have used its reasonable best efforts to keep the Shelf Registration Statement effective during the Shelf Registration Period if it voluntarily takes any action that would result in Holders of Securities covered thereby not being able
to offer and sell such Securities during that period, unless such action is required by applicable law. 
 (c) Notwithstanding
any other provisions of this Agreement to the contrary, the Company shall cause (i) the Shelf Registration Statement and any amendment thereto and any related prospectus and any supplement thereto, as of the effective date of the Shelf
Registration Statement, amendment or supplement, to comply in all material respects with the Securities Act and the rules and regulations thereunder, (ii) the Shelf Registration Statement and any amendment thereto not to contain any untrue
statement of a material fact or omit to state a material fact required to be stated therein or necessary in order to make the statements therein not misleading and (iii) the prospectus related to the Shelf Registration Statement, and any
supplement to such prospectus, not to include an untrue statement of a material fact or omit to state a 

  

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material fact required to be stated therein or necessary in order to make the statements therein, in the light of the circumstances under which they were
made, not misleading. 
 3. Registration Procedures. In connection with any Shelf Registration contemplated by Section 2
hereof and, to the extent applicable, any Registered Exchange Offer contemplated by Section 1 hereof, the following provisions shall apply: 
 (a) The Company shall (i) furnish to each Initial Purchaser, prior to the filing thereof with the Commission, a copy of the Registration Statement and each amendment thereof and each supplement, if any, to the
prospectus included therein and, in the event that an Initial Purchaser (with respect to any portion of an unsold allotment from the original offering) is participating in the Registered Exchange Offer or the Shelf Registration Statement, the
Company shall use its reasonable best efforts to reflect in each such document, when so filed with the Commission, such comments as such Initial Purchaser reasonably may propose; (ii) include the information set forth in Annex A hereto
on the cover, in Annex B hereto in the “Exchange Offer Procedures” section and the “Purpose of the Exchange Offer” section and in Annex C hereto in the “Plan of Distribution” section of the prospectus
forming a part of the Exchange Offer Registration Statement and include the information set forth in Annex D hereto in the Letter of Transmittal delivered pursuant to the Registered Exchange Offer; (iii) if requested by an Initial
Purchaser, include the information required by Items 507 or 508 of Regulation S-K under the Securities Act, as applicable, in the prospectus forming a part of the Exchange Offer Registration Statement; (iv) include within the prospectus
contained in the Exchange Offer Registration Statement a section entitled “Plan of Distribution,” reasonably acceptable to the Initial Purchasers, which shall contain a summary statement of the positions taken or policies made by the staff
of the Commission with respect to the potential “underwriter” status of any broker-dealer that is the beneficial owner (as defined in Rule 13d-3 under the Securities Exchange Act of 1934, as amended (the “Exchange
Act”) of Exchange Securities received by such broker-dealer in the Registered Exchange Offer (a “Participating Broker-Dealer”), whether such positions or policies have been publicly disseminated by the staff of the
Commission or such positions or policies, in the reasonable judgment of the Initial Purchasers based upon advice of counsel (which may be in-house counsel), represent the prevailing views of the staff of the Commission; and (v) in the case of a
Shelf Registration Statement, include in the prospectus included in the Shelf Registration Statement (or, if permitted by Commission Rule 430B(b), in a prospectus supplement that becomes a part thereof pursuant to Commission Rule 430B(f))
that is delivered to any Holder pursuant to Section 3(d) and (f), the names of the Holders, who propose to sell Securities pursuant to the Shelf Registration Statement, as selling securityholders. 
 (b) The Company shall give written notice to the Initial Purchasers, the Holders of the Securities proposed to be sold under the Shelf
Registration Statement and any Participating Broker-Dealer from whom the Company has received prior written notice that it will be a Participating Broker-Dealer in the Registered Exchange Offer (which notice pursuant to clauses (ii)-(v) hereof
shall be accompanied by an instruction to suspend the use of the prospectus until the requisite changes have been made): 
 (i) when the Registration Statement or any amendment thereto has been filed with the Commission and when the Registration Statement or any post-effective amendment thereto has become effective; 
 (ii) of any request by the Commission for amendments or supplements to the Registration Statement or the prospectus included therein or
for additional information; 
 (iii) of the issuance by the Commission of any stop order suspending the effectiveness of the
Registration Statement or the initiation of any proceedings for that purpose, of the issuance by the Commission of a notification of objection to the use of the form on which the Registration Statement has been filed, and of the happening of any
event that causes the Company to become an “ineligible issuer,” as defined in Commission Rule 405; 
 (iv) of
the receipt by the Company or its legal counsel of any notification with respect to the suspension of the qualification of the Securities for sale in any jurisdiction or the initiation or threatening of any proceeding for such purpose; and

  

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 (v) of the happening of any event that requires the Company to make changes in the
Registration Statement or the prospectus in order that the Registration Statement or the prospectus do not contain an untrue statement of a material fact nor omit to state a material fact required to be stated therein or necessary to make the
statements therein (in the case of the prospectus, in light of the circumstances under which they were made) not misleading. 
 (c) The Company shall make every reasonable effort to obtain the withdrawal at the earliest possible time, of any order suspending the effectiveness of the Registration Statement. 
 (d) The Company shall furnish to each Holder of Securities included within the coverage of the Shelf Registration, without charge, at
least one copy of the Shelf Registration Statement and any post-effective amendment or supplement thereto, including financial statements and schedules, and, if the Holder so requests in writing, all exhibits thereto (including those, if any,
incorporated by reference). The Company shall not, without the prior consent of the Initial Purchasers, make any offer relating to the Securities that would constitute a “free writing prospectus,” as defined in Commission Rule 405.

 (e) The Company shall deliver to each Initial Purchaser, and to any other Holder who so requests, without charge, at least
one copy of the Exchange Offer Registration Statement and any post-effective amendment thereto, including financial statements and schedules, and, if any Initial Purchaser or any such Holder requests, all exhibits thereto (including those
incorporated by reference). 
 (f) The Company shall, during the Shelf Registration Period, deliver to each Holder of
Securities included within the coverage of the Shelf Registration, without charge, as many copies of the prospectus (including each preliminary prospectus) included in the Shelf Registration Statement and any amendment or supplement thereto as such
person may reasonably request. The Company consents, subject to the provisions of this Agreement, to the use of the prospectus or any amendment or supplement thereto by each of the selling Holders of the Securities in connection with the offering
and sale of the Securities covered by the prospectus, or any amendment or supplement thereto, included in the Shelf Registration Statement. 
 (g) The Company shall deliver to each Initial Purchaser, any Exchanging Dealer, any Participating Broker-Dealer and such other persons required to deliver a prospectus following the Registered Exchange Offer, without
charge, as many copies of the final prospectus included in the Exchange Offer Registration Statement and any amendment or supplement thereto as such persons may reasonably request. The Company consents, subject to the provisions of this Agreement,
to the use of the prospectus or any amendment or supplement thereto by any Initial Purchaser, if necessary, any Participating Broker-Dealer and such other persons required to deliver a prospectus following the Registered Exchange Offer in connection
with the offering and sale of the Exchange Securities covered by the prospectus, or any amendment or supplement thereto, included in such Exchange Offer Registration Statement. 
 (h) Prior to any public offering of the Securities, pursuant to any Registration Statement, the Company shall register or qualify or
cooperate with the Holders of the Securities included therein and their respective counsel in connection with the registration or qualification of the Securities for offer and sale under the securities or “blue sky” laws of such states of
the United States as any Holder of the Securities reasonably requests in writing and do any and all other acts or things reasonably necessary or advisable to enable the offer and sale in such jurisdictions of the Securities covered by such
Registration Statement; provided, however, that the Company shall not be required to (i) qualify generally to do business in any jurisdiction where it is not then so qualified or (ii) take any action which would subject it to
general service of process or to taxation in any jurisdiction where it is not then so subject. 
 (i) To the extent the
Securities are not in book-entry form, the Company shall cooperate with the Holders of the Securities to facilitate the timely preparation and delivery of certificates representing the Securities to be sold pursuant to any Registration Statement
free of any restrictive legends and in such denominations and registered in such names as the Holders may request a reasonable period of time prior to sales of the Securities pursuant to such Registration Statement. 
  

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 (j) Upon the occurrence of any event contemplated by clauses (ii) through (v)
of Section 3(b) above during the period for which the Company is required to maintain an effective Registration Statement, the Company shall promptly prepare and file a post-effective amendment to the Registration Statement or a supplement to
the related prospectus and any other required document so that, as thereafter delivered to Holders of the Securities or purchasers of Securities, the prospectus will not contain an untrue statement of a material fact or omit to state any material
fact required to be stated therein or necessary to make the statements therein, in light of the circumstances under which they were made, not misleading. If the Company notifies the Initial Purchasers, the Holders of the Securities and any known
Participating Broker-Dealer in accordance with clauses (ii) through (v) of Section 3(b) above to suspend the use of the prospectus until the requisite changes to the prospectus have been made, then the Initial Purchasers, the Holders
of the Securities and any such Participating Broker-Dealers shall suspend use of such prospectus, and the period of effectiveness of the Shelf Registration Statement provided for in Section 2(b) above and the Exchange Offer Registration
Statement provided for in Section 1 above shall each be extended by the number of days from and including the date of the giving of such notice to and including the date when the Initial Purchasers, the Holders of the Securities and any known
Participating Broker-Dealer shall have received such amended or supplemented prospectus pursuant to this Section 3(j). During the period during which the Company is required to maintain an effective Shelf Registration Statement pursuant to this
Agreement, the Company will prior to the three-year expiration of that Shelf Registration Statement file, and use its reasonable best efforts to cause to be declared effective (unless it becomes effective automatically upon filing) within a period
that avoids any interruption in the ability of Holders of Securities covered by the expiring Shelf Registration Statement to make registered dispositions, a new registration statement relating to the Securities, which shall be deemed the “Shelf
Registration Statement” for purposes of this Agreement. 
 (k) Not later than the effective date of the applicable
Registration Statement, the Company will provide a CUSIP number for the Initial Securities, the Exchange Securities or the Private Exchange Securities, as the case may be, and provide the Trustee with certificates for the Initial Securities, the
Exchange Securities or the Private Exchange Securities, as the case may be, in a form eligible for deposit with The Depository Trust Company. 
 (l) The Company will comply with all rules and regulations of the Commission to the extent and so long as they are applicable to the Registered Exchange Offer or the Shelf Registration and will make generally
available to its security holders (or otherwise provide in accordance with Section 11(a) of the Securities Act) an earnings statement satisfying the provisions of Section 11(a) of the Securities Act, no later than 45 days after the
end of a 12-month period (or 90 days, if such period is a fiscal year) beginning with the first month of the Company’s first fiscal quarter commencing after the effective date of the Registration Statement, which statement shall cover such
12-month period. 
 (m) The Company shall cause the Indenture to be qualified under the Trust Indenture Act of 1939, as
amended, in a timely manner and containing such changes, if any, as shall be necessary for such qualification. In the event that such qualification would require the appointment of a new trustee under the Indenture, the Company shall appoint a new
trustee thereunder pursuant to the applicable provisions of the Indenture. 
 (n) The Company may require each Holder of
Securities to be sold pursuant to the Shelf Registration Statement to furnish to the Company such information regarding the Holder and the distribution of the Securities as the Company may from time to time reasonably require for inclusion in the
Shelf Registration Statement, and the Company may exclude from such registration the Securities of any Holder that unreasonably fails to furnish such information within a reasonable time after receiving such request. 
 (o) The Company shall enter into such customary agreements (including, if requested, an underwriting agreement in customary form) and take
all such other action, if any, as any Holder of the Securities shall reasonably request in order to facilitate the disposition of the Securities pursuant to any Shelf Registration. 
 (p) In the case of any Shelf Registration, the Company shall (i) make reasonably available for inspection by the Holders of the
Securities, any underwriter participating in any disposition pursuant to the 

  

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Shelf Registration Statement and any attorney, accountant or other agent retained by the Holders of the Securities or any such underwriter all relevant
financial and other records, pertinent corporate documents and properties of the Company and (ii) cause the Company’s officers, directors, employees, accountants and auditors to supply all relevant information reasonably requested by the
Holders of the Securities or any such underwriter, attorney, accountant or agent in connection with the Shelf Registration Statement, in each case, as shall be reasonably necessary to enable such persons, to conduct a reasonable investigation within
the meaning of Section 11 of the Securities Act; provided, however, that the foregoing inspection and information gathering shall be coordinated on behalf of the Initial Purchasers by you and on behalf of the other parties, by one
counsel designated by and on behalf of such other parties as described in Section 4 hereof; provided further, however, that any information that is designated in writing by the Company, in good faith, as confidential at the time of
delivery of such information shall be kept confidential by the Holders or any such underwriter, attorney, accountant or other agent, unless such disclosure is made in connection with a court proceeding or required by law, or such information is or
becomes available to the public generally or through a third party without, to the knowledge of any recipient of confidential information, an accompanying obligation of confidentiality or is independently developed. 
 (q) In the case of any Shelf Registration, the Company, if requested by any Holder of the Securities covered thereby, shall cause
(i) its counsel to deliver an opinion and updates thereof relating to the Securities in customary form addressed to such Holders and the managing underwriters, if any, thereof and dated, in the case of the initial opinion, the effective date of
such Shelf Registration Statement (it being agreed that the matters to be covered by such opinion shall include, without limitation, the due incorporation or organization and good standing of the Company and its subsidiaries; the qualification of
the Company and its subsidiaries to transact business as foreign corporations or other business entities; the due authorization, execution and delivery of the relevant agreement of the type referred to in Section 3(o) hereof; the due
authorization, execution, authentication and issuance, and the validity and enforceability, of the applicable Securities; the absence of material legal or governmental proceedings involving the Company and its subsidiaries; the absence of
governmental approvals required to be obtained in connection with the Shelf Registration Statement, the offering and sale of the applicable Securities, or any agreement of the type referred to in Section 3(o) hereof; the compliance as to form
of such Shelf Registration Statement and any documents incorporated by reference therein and of the Indenture with the requirements of the Securities Act and the Trust Indenture Act, respectively; and (A) as of the date of the opinion and as of
the effective date of the Shelf Registration Statement or most recent post-effective amendment thereto, as the case may be, the absence from such Shelf Registration Statement and the prospectus included therein, as then amended or supplemented, and
from any documents incorporated by reference therein and (B) as of an applicable time identified by such Holders or managing underwriters, the absence from such prospectus taken together with any other documents identified by such Holders or
managing underwriters, in the case of (A) and (B), of an untrue statement of a material fact or the omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading (in the case
of any such incorporated documents, in the light of the circumstances existing at the time that such documents were filed with the Commission under the Exchange Act)); (ii) its officers to execute and deliver all customary documents and
certificates and updates thereof requested by any underwriters of the applicable Securities and (iii) its independent public accountants and the independent public accountants with respect to any other entity for which financial information is
provided in the Shelf Registration Statement to provide to the selling Holders of the applicable Securities and any underwriter therefor a comfort letter in customary form and covering matters of the type customarily covered in comfort letters in
connection with primary underwritten offerings, subject to receipt of appropriate documentation as contemplated, and only if permitted, by Statement of Auditing Standards No. 72. 
 (r) In the case of the Registered Exchange Offer, if requested by any Initial Purchaser or any known Participating Broker-Dealer, the
Company shall cause (i) its counsel to deliver to such Initial Purchaser or such Participating Broker-Dealer a signed opinion in the form set forth in Section 7(f) of the Purchase Agreement with such changes as are customary in connection
with the preparation of a Registration Statement and (ii) its independent public accountants and the independent public accountants with respect to 

  

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any other entity for which financial information is provided in the Registration Statement to deliver to such Initial Purchaser or such Participating
Broker-Dealer a comfort letter, in customary form, meeting the requirements as to the substance thereof as set forth in Section 7(a)-(d) of the Purchase Agreement, with appropriate date changes. 
 (s) If a Registered Exchange Offer or a Private Exchange is to be consummated, upon delivery of the Initial Securities by Holders to the
Company (or to such other Person as directed by the Company) in exchange for the Exchange Securities or the Private Exchange Securities, as the case may be, the Company shall mark, or cause to be marked, on the Initial Securities so exchanged that
such Initial Securities are being canceled in exchange for the Exchange Securities or the Private Exchange Securities, as the case may be; in no event shall the Initial Securities be marked as paid or otherwise satisfied. 
 (t) The Company will use its reasonable best efforts to (a) if the Initial Securities have been rated prior to the initial sale of
such Initial Securities, confirm such ratings will apply to the Securities covered by a Shelf Registration Statement, or (b) if the Initial Securities were not previously rated, cause the Securities covered by a Shelf Registration Statement to
be rated with the appropriate rating agencies, but in each case only if so requested by Holders of a majority in aggregate principal amount of Securities covered by such Registration Statement, or by the managing underwriters, if any. 
 (u) In the event that any broker-dealer registered under the Exchange Act shall underwrite any Securities or participate as a member of an
underwriting syndicate or selling group or “assist in the distribution” (within the meaning of the Conduct Rules (the “Rules”) of the National Association of Securities Dealers, Inc. (“NASD”)) thereof,
whether as a Holder of such Securities or as an underwriter, a placement or sales agent or a broker or dealer in respect thereof, or otherwise, the Company will assist such broker-dealer in complying with the requirements of such Rules, including,
without limitation, by (i) if such Rules, including Rule 2720, shall so require, engaging a “qualified independent underwriter” (as defined in Rule 2720) to participate in the preparation of the Registration Statement
relating to such Securities, to exercise usual standards of due diligence in respect thereto and, if any portion of the offering contemplated by such Registration Statement is an underwritten offering or is made through a placement or sales agent,
to recommend the yield of such Securities, (ii) indemnifying any such qualified independent underwriter to the extent of the indemnification of underwriters provided in Section 5 hereof and (iii) providing such information to such
broker-dealer as may be required in order for such broker-dealer to comply with the requirements of the Rules. 
 (v) The
Company shall use its reasonable best efforts to take all other steps necessary to effect the registration of the Securities covered by a Registration Statement contemplated hereby. 
 4. Registration Expenses. The Company shall bear all fees and expenses incurred in connection with the performance of its obligations under
Sections 1 through 3 hereof (including the reasonable fees and expenses, if any, of counsel for the Initial Purchasers incurred in connection with the Registered Exchange Offer), whether or not the Registered Exchange Offer or a Shelf
Registration is filed or becomes effective, and, in the event of a Shelf Registration, shall bear or reimburse the Holders of the Securities covered thereby for the reasonable fees and disbursements of one firm of counsel designated by the Holders
of a majority in principal amount of the Initial Securities covered thereby to act as counsel for the Holders of the Initial Securities in connection therewith. Each Holder shall be responsible for paying all underwriting discounts and commissions,
if any, relating to the sale or disposition of such Holder’s Securities pursuant to a Shelf Registration Statement. 
 5.
Indemnification. 
 (a) The Company and each of the Guarantors, jointly and severally, agree to indemnify and hold
harmless each Holder of the Securities, any Participating Broker-Dealer and each person, if any, who controls such Holder or such Participating Broker-Dealer within the meaning of the Securities Act or the Exchange Act (each Holder, any
Participating Broker-Dealer and such controlling persons are referred to collectively as the “Indemnified Parties”) from and against any losses, claims, damages or liabilities, joint 

  

 9 

 
or several, or any actions in respect thereof (including, but not limited to, any losses, claims, damages, liabilities or actions relating to purchases and
sales of the Securities) to which each Indemnified Party may become subject under the Securities Act, the Exchange Act or otherwise, insofar as such losses, claims, damages, liabilities or actions arise out of or are based upon any untrue statement
or alleged untrue statement of a material fact contained in a Registration Statement or prospectus or in any amendment or supplement thereto or in any preliminary prospectus or “issuer free writing prospectus,” as defined in Commission
Rule 433 (“Issuer FWP”), relating to a Shelf Registration, or arise out of, or are based upon, the omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements
therein not misleading, and shall reimburse, as incurred, the Indemnified Parties for any legal or other expenses reasonably incurred by them in connection with investigating or defending any such loss, claim, damage, liability or action in respect
thereof; provided, however, that (i) the Company and each Guarantor will not be liable in any such case to the extent that such loss, claim, damage or liability arises out of or is based upon any untrue statement or alleged untrue
statement or omission or alleged omission made in a Registration Statement or prospectus or in any amendment or supplement thereto or in any preliminary prospectus or Issuer FWP relating to a Shelf Registration in reliance upon and in conformity
with written information pertaining to such Holder and furnished to the Company by or on behalf of such Holder specifically for inclusion therein and (ii) with respect to any untrue statement or omission or alleged untrue statement or omission
of a material fact made in any preliminary prospectus relating to a Shelf Registration Statement, the indemnity agreement contained in this subsection (a) shall not inure to the benefit of any Holder or Participating Broker-Dealer from whom the
person asserting any such losses, claims, damages or liabilities purchased the Securities concerned, to the extent that a prospectus relating to such Securities was required to be delivered (including through satisfaction of the conditions of
Commission Rule 172) by such Holder or Participating Broker-Dealer under the Securities Act in connection with such purchase and any such loss, claim, damage or liability of such Holder or Participating Broker-Dealer results from the fact that
there was not sent or given to such person, at or prior to the time of the sale of such Securities to such person, an amended or supplemented prospectus or, if permitted by Section 3(d), an Issuer FWP correcting such untrue statement or
omission or alleged untrue statement or omission of a material fact if the Company had previously furnished copies thereof to such Holder or Participating Broker-Dealer; provided further, however, that this indemnity agreement will be in
addition to any liability which the Company and each of the Guarantors may otherwise have to such Indemnified Party. The Company and each of the Guarantors, jointly and severally, shall also indemnify underwriters, their officers and directors and
each person who controls such underwriters within the meaning of the Securities Act or the Exchange Act to the same extent as provided above with respect to the indemnification of the Holders of the Securities if requested by such Holders.

 (b) Each Holder of the Securities, severally and not jointly, will indemnify and hold harmless the Company and each
Guarantor, their directors and officers and each person, if any, who controls the Company or such Guarantor within the meaning of the Securities Act or the Exchange Act from and against any losses, claims, damages or liabilities or any actions in
respect thereof, to which the Company or any such Guarantor, their directors and officers or any such controlling person may become subject under the Securities Act, the Exchange Act or otherwise, insofar as such losses, claims, damages, liabilities
or actions arise out of or are based upon any untrue statement or alleged untrue statement of a material fact contained in a Registration Statement or prospectus or in any amendment or supplement thereto or in any preliminary prospectus or Issuer
FWP relating to a Shelf Registration, or arise out of or are based upon the omission or the alleged omission to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, but in each case
only to the extent that the untrue statement or omission or alleged untrue statement or omission was made in reliance upon and in conformity with written information pertaining to such Holder and furnished to the Company by or on behalf of such
Holder specifically for inclusion therein; and, subject to the limitation set forth immediately preceding this clause, shall reimburse, as incurred, the Company or any such Guarantor, their directors and officers or any such controlling person for
any legal or other expenses reasonably incurred by the Company or any such Guarantor, their directors and officers or any such controlling person in connection with investigating or 

  

 10 

 
defending any loss, claim, damage, liability or action in respect thereof. This indemnity agreement will be in addition to any liability that such Holder may
otherwise have to the Company, any Guarantor, their directors and officers or any such controlling person. 
 (c) Promptly
after receipt by an indemnified party under this Section 5 of notice of the commencement of any action or proceeding (including a governmental investigation), such indemnified party will, if a claim in respect thereof is to be made against the
indemnifying party under this Section 5, notify the indemnifying party of the commencement thereof; but the failure to notify the indemnifying party shall not relieve the indemnifying party from any liability that it may have under
subsection (a) or (b) above 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
party shall not relieve it from any liability that it may have to an indemnified party otherwise than under subsection (a) or (b) above. In case any such action is brought against any indemnified party, and it notifies the indemnifying
party of the commencement thereof, the indemnifying party will be entitled to participate therein and, to the extent that it may wish, jointly with any other indemnifying party similarly notified, to assume the defense thereof, with counsel
reasonably satisfactory to such indemnified party (who shall not, except with the consent of the indemnified party, be counsel to the indemnifying party), and after notice from the indemnifying party to such indemnified party of its election so to
assume the defense thereof the indemnifying party will not be liable to such indemnified party under this Section 5 for any legal or other expenses, other than reasonable costs of investigation, subsequently incurred by such indemnified party
in connection with the defense thereof. No indemnifying party shall, without the prior written consent of the indemnified party, effect any settlement of any pending or threatened action in respect of which any indemnified party is or could have
been a party and indemnity could have been sought hereunder by such indemnified party unless such settlement (i) includes an unconditional release of such indemnified party from all liability on any claims that are the subject matter of such
action, and (ii) does not include a statement as to or an admission of fault, culpability or a failure to act by or on behalf of any indemnified party. 
 (d) If the indemnification provided for in this Section 5 is unavailable or insufficient to hold harmless an indemnified party under
subsections (a) or (b) above, then each indemnifying party shall contribute to the amount paid or payable by such indemnified party as a result of the losses, claims, damages or liabilities (or actions in respect thereof) referred to in
subsection (a) or (b) above (i) in such proportion as is appropriate to reflect the relative benefits received by the indemnifying party or parties on the one hand and the indemnified party on the other from the exchange of the
Securities, pursuant to the Registered Exchange Offer, or (ii) if the allocation provided by the foregoing 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) above but also the relative fault of the indemnifying party or parties on the one hand and the indemnified party on the other in connection with the statements or omissions that resulted in such losses, claims, damages
or liabilities (or actions in respect thereof) as well as any other relevant equitable considerations. The relative fault of the parties 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 on the one hand or such Holder or such other indemnified party, as the case may be, on the other, and the
parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. The amount paid by an indemnified party as a result of the losses, claims, damages or liabilities referred to in the
first sentence of this subsection (d) shall be deemed to include any legal or other expenses reasonably incurred by such indemnified party in connection with investigating or defending any action or claim which is the subject of this
subsection (d). Notwithstanding any other provision of this Section 5(d), the Holders of the Securities shall not be required to contribute any amount in excess of the amount by which the net proceeds received by such Holders from the sale
of the Securities pursuant to a Registration Statement exceeds the amount of damages which such Holders have 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. For purposes of this subsection (d), each
person, if any, who controls 

  

 11 

 
such indemnified party within the meaning of the Securities Act or the Exchange Act shall have the same rights to contribution as such indemnified party and
each person, if any, who controls the Company or any Guarantor within the meaning of the Securities Act or the Exchange Act shall have the same rights to contribution as the Company and the Guarantors. 
 (e) The agreements contained in this Section 5 shall survive the sale of the Securities pursuant to a Registration Statement and
shall remain in full force and effect, regardless of any termination or cancellation of this Agreement or any investigation made by or on behalf of any indemnified party. 
 6. Additional Interest Under Certain Circumstances. 
 (a) Additional interest (the
“Additional Interest”) with respect to the Initial Securities shall be assessed as follows if any of the following events occur (each such event in clauses (i) through (vi) below a “Registration Default”):

 (i) If an Exchange Offer Registration Statement is not filed with the Commission on or prior to the 90th day after the
Issue Date; 
 (ii) If an Exchange Offer Registration Statement or, if required pursuant to Section 2 above, a Shelf
Registration Statement has not been declared effective by the Commission (or become effective automatically) on or prior to the 180th day after the Issue Date; 
 (iii) If the Registered Exchange Offer has not been consummated on or before the 40th day after the Exchange Offer Registration Statement
is declared effective; 
 (iv) If obligated to file the Shelf Registration Statement pursuant to pursuant to Section 2
above, the Company fails to file the Shelf Registration Statement with the Commission on or prior to the 30th day after the date (the “Shelf Filing Date”) on which the obligation to file a Shelf Registration Statement arises;

 (v) If obligated to file a Shelf Registration Statement pursuant to Section 2 above, the Shelf Registration Statement
is not declared effective on or prior to the 90th day after the Shelf Filing Date; or 
 (vi) If after either the Exchange
Offer Registration Statement or the Shelf Registration Statement is declared (or becomes automatically) effective (A) such Registration Statement thereafter ceases to be effective; or (B) such Registration Statement or the related
prospectus ceases to be usable (except as permitted in subsection (b)) in connection with resales of Transfer Restricted Securities during the periods specified herein because either (1) any event occurs as a result of which the related
prospectus forming part of such Registration Statement would include any untrue statement of a material fact or omit to state any material fact necessary to make the statements therein in the light of the circumstances under which they were made not
misleading, (2) it shall be necessary to amend such Registration Statement or supplement the related prospectus, to comply with the Securities Act or the Exchange Act or the respective rules thereunder, or (3) such Registration Statement
is a Shelf Registration Statement that has expired before a replacement Shelf Registration Statement has become effective. 
 Additional Interest shall accrue on the Initial Securities over and above the interest set forth in the title of the Securities from and including the date on which any such Registration Default shall occur to but excluding the date on
which all such Registration Defaults have been cured. The rate of the Additional Interest will be 0.50% per year for the first 90-day period immediately following the occurrence of a Registration Default, and such rate will increase by an
additional 0.50% per year with respect to each subsequent 90-day period until all Registration Defaults have been cured, up to a maximum Additional Interest rate of 1.50% per year. The Issuer will pay such Additional Interest on regular
interest payment dates. Such Additional Interest will be in addition to any other interest payable from time to time with respect to the Notes and the Exchange Securities. The Company will not be required to pay Additional Interest for more than one
Registration Default at any given time. Following the cure of all Registration Defaults, the accrual of Additional Interest will cease and the interest rate will revert to the original rate, 9.125%. 
  

 12 

 (b) A Registration Default referred to in Section 6(a)(vi)(B) hereof shall be deemed
not to have occurred and be continuing in relation to a Shelf Registration Statement or the related prospectus if (i) such Registration Default has occurred solely as a result of (x) the filing of a post-effective amendment to such Shelf
Registration Statement to incorporate annual audited financial information with respect to the Company where such post-effective amendment is not yet effective and needs to be declared effective to permit Holders to use the related prospectus or
(y) other material events, with respect to the Company that would need to be described in such Shelf Registration Statement or the related prospectus and (ii) in the case of clause (y), the Company is proceeding promptly and in good faith
to amend or supplement such Shelf Registration Statement and related prospectus to describe such events; provided, however, that in any case if such Registration Default occurs for a continuous period in excess of 60 days, Additional Interest
shall be payable in accordance with the above paragraph from the day such Registration Default would have been deemed to occur but for this Section 6(b) until such Registration Default is cured. 
 (c) Any amounts of Additional Interest due pursuant to Section 6(a) above will be payable in cash on the regular interest payment
dates with respect to the Initial Securities. The amount of Additional Interest will be determined by multiplying the applicable Additional Interest rate by the principal amount of the Initial Securities, multiplied by a fraction, the numerator of
which is the number of days such Additional Interest rate was applicable during such period (determined on the basis of a 360-day year comprised of twelve 30-day months), and the denominator of which is 360. 
 (d) “Transfer Restricted Securities” means each Security until (i) the date on which such Transfer Restricted
Security has been exchanged by a person other than a broker-dealer for a freely transferable Exchange Security in the Registered Exchange Offer, (ii) following the exchange by a broker-dealer in the Registered Exchange Offer of an Initial
Security for an Exchange Security, the date on which such Exchange Security is sold to a purchaser who receives from such broker-dealer on or prior to the date of such sale a copy of the prospectus contained in the Exchange Offer Registration
Statement, (iii) the date on which such Initial Security has been effectively registered under the Securities Act and disposed of in accordance with the Shelf Registration Statement or (iv) the date on which such Initial Securities is
distributed to the public pursuant to Rule 144 under the Securities Act or is saleable pursuant to Rule 144(k) under the Securities Act. 
 7. Rules 144 and 144A. The Company shall use its reasonable best efforts to file the reports required to be filed by it under the Securities Act and the Exchange Act in a timely manner and, if at any time the Company is not required
to file such reports, it will, upon the request of any Holder of Initial Securities, make publicly available other information so long as necessary to permit sales of their securities pursuant to Rules 144 and 144A. The Company covenants that
it will take such further action as any Holder of Initial Securities may reasonably request, all to the extent required from time to time to enable such Holder to sell Initial Securities without registration under the Securities Act within the
limitation of the exemptions provided by Rules 144 and 144A (including the requirements of Rule 144A(d)(4)). The Company will provide a copy of this Agreement to prospective purchasers of Initial Securities identified to the Company by the
Initial Purchasers upon request. Upon the request of any Holder of Initial Securities, the Company shall deliver to such Holder a written statement as to whether it has complied with such requirements. Notwithstanding the foregoing, nothing in this
Section 7 shall be deemed to require the Company to register any of its securities pursuant to the Exchange Act. 
 8. Underwritten
Registrations. If any of the Transfer Restricted Securities covered by any Shelf Registration are to be sold in an underwritten offering, the investment banker or investment bankers and manager or managers that will administer the offering will
be selected by the Holders of a majority in aggregate principal amount of such Transfer Restricted Securities to be included in such offering. 
 No person may participate in any underwritten registration hereunder unless such person (i) agrees to sell such person’s Transfer Restricted Securities on the basis reasonably provided in any underwriting arrangements approved by
the persons entitled hereunder to approve such arrangements and (ii) completes and executes all questionnaires, powers of attorney, indemnities, underwriting agreements and other documents reasonably required under the terms of such
underwriting arrangements. 
  

 13 

 9. Miscellaneous. 
 (a) Amendments and Waivers. The provisions of this Agreement may not be amended, modified or supplemented, and waivers or consents
to departures from the provisions hereof may not be given, except by the Company and the written consent of the Holders of a majority in principal amount of (or, in the case of any Additional Interest, all) the Securities affected by such amendment,
modification, supplement, waiver or consent. 
 (b) Notices. All notices and other communications provided for or
permitted hereunder shall be made in writing by hand delivery, first-class mail, facsimile transmission, or air courier that guarantees overnight delivery: 
 (i) if to a Holder of the Securities, at the most current address given by such Holder to the Company. 
 (ii) if to the Initial Purchasers: 
 Credit Suisse Securities (USA) LLC 
 Eleven Madison Avenue 
 New York, New York 10010-3629 
 Fax No.: (212) 325-4296 
 Attention: Transactions Advisory Group 
 with a copy to: 
 Vinson & Elkins L.L.P. 
 2300 First City Tower 
 1001 Fannin Street 
 Houston, Texas 77002 
 Fax No.: (713) 615-5531 
 Attention: T. Mark Kelly 
 (iii) if to the Company: 
 Petrohawk Energy Corporation 
 1100 Louisiana, Suite 4400 
 Houston, Texas 77002 
 Fax No.: (832) 204-2800 
 Attention: Floyd C. Wilson 
 with a copy to: 
 Thompson & Knight LLP 
 333 Clay Street, Suite 3300 
 Houston, Texas 77002 
 Fax No.: (713) 654-1871 
 Attention: William T. Heller IV 
 All such notices and communications shall be deemed to have
been duly given: at the time delivered by hand, if personally delivered; three business days after being deposited in the mail, postage prepaid, if mailed; when receipt is acknowledged by recipient’s facsimile machine operator, if sent by
facsimile transmission; and on the day delivered, if sent by overnight air courier guaranteeing next day delivery. 
 Unless
otherwise indicated, all references herein to “days” are to calendar days. 
 (c) No Inconsistent Agreements.
The Company has not, as of the date hereof, entered into, nor shall it, on or after the date hereof, enter into, any agreement with respect to its securities that is inconsistent with the rights granted to the Holders herein or otherwise conflicts
with the provisions hereof. 
  

 14 

 (d) Successors and Assigns. This Agreement shall be binding upon the Issuer, the
Guarantors and their respective successors and assigns. 
 (e) 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. 
 (f) Headings. The headings in this Agreement are for convenience of reference only and shall not limit or otherwise affect the
meaning hereof. 
 (g) Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS
OF THE STATE OF NEW YORK WITHOUT REGARD TO PRINCIPLES OF CONFLICTS OF LAWS. 
 (h) Severability. If any one or more of
the provisions contained herein, or the application thereof in any circumstance, is held invalid, illegal or unenforceable, the validity, legality and enforceability of any such provision in every other respect and of the remaining provisions
contained herein shall not be affected or impaired thereby. 
 (i) Securities Held by the Company. Whenever the consent
or approval of Holders of a specified percentage of principal amount of Securities is required hereunder, Securities held by the Company or its affiliates (other than subsequent Holders of Securities if such subsequent Holders are deemed to be
affiliates solely by reason of their holdings of such Securities) shall not be counted in determining whether such consent or approval was given by the Holders of such required percentage. 
 (j) Submission to Jurisdiction. By the execution and delivery of this Agreement, the Issuer and each Guarantor submit to the
nonexclusive jurisdiction of any competent federal or state court in the City and State of New York in any suit or proceeding arising out of or relating to this Agreement or brought under federal or state securities laws. 
  

 15 

 If the foregoing is in accordance with your understanding of our agreement, please sign and return to the
Issuer a counterpart hereof, whereupon this instrument, along with all counterparts, will become a binding agreement among the several Initial Purchasers, the Issuer and the Guarantors in accordance with its terms. 
  

			
	Very truly yours,
	
	PETROHAWK ENERGY CORPORATION
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	P-H ENERGY, LLC
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	PETROHAWK OPERATING COMPANY
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	RED RIVER FIELD SERVICES, L.L.C.
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	PETROHAWK PROPERTIES, LP
		
	By:	 	P-H Energy, LLC
		 	Its General Partner
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	PETROHAWK HOLDINGS, LLC
		
	By:	 	/s/    DAVID S. ELKOURI        
		 	David S. Elkouri
		 	Vice President
	
	WINWELL RESOURCES, INC.
		
	By:	 	/s/    FLOYD C. WILSON      
		 	Floyd C. Wilson
		 	President and Chief Executive Officer

  

 Signature Page to the Registration Rights Agreement 

			
	WSF, INC.
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	KCS RESOURCES, INC.
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	 MEDALLION CALIFORNIA PROPERTIES
 COMPANY

		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	KCS ENERGY SERVICES, INC.
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer
	
	PROLIQ, INC.
		
	By:	 	/s/    FLOYD C. WILSON        
		 	Floyd C. Wilson
		 	President and Chief Executive Officer

  

 Signature Page to the Registration Rights Agreement 

			
	 The foregoing Registration
 Rights Agreement is hereby confirmed
 and accepted as of the date first
 above written.

	
	 CREDIT SUISSE SECURITIES (USA) LLC
 LEHMAN BROTHERS INC.
 BNP
PARIBAS SECURITIES CORP.
 BANC OF AMERICA SECURITIES
LLC
 J.P. MORGAN SECURITIES INC.
 BMO CAPITAL MARKETS CORP.
 MORGAN
STANLEY & CO. INCORPORATED

		
	By:	 	Credit Suisse Securities (USA) LLC
		
	By:	 	/s/    JAIME CASAS        
		 	Jaime Casas
		 	Director

  

 Signature Page to the Registration Rights Agreement 

 ANNEX A 
 Each broker-dealer that receives Exchange Securities for its own account pursuant to the Registered Exchange Offer must acknowledge that it will deliver a prospectus in connection with any resale of such Exchange
Securities. The Letter of Transmittal states that by so acknowledging and by delivering a prospectus, a broker-dealer will not be deemed to admit that it is an “underwriter” within the meaning of the Securities Act. This Prospectus, as it
may be amended or supplemented from time to time, may be used by a broker-dealer in connection with resales of Exchange Securities received in exchange for Initial Securities where such Initial Securities were acquired by such broker-dealer as a
result of market-making activities or other trading activities. The Company has agreed that, for a period of 180 days after the consummation of the Registered Exchange Offer, it will make this Prospectus available to any broker-dealer for use in
connection with any such resale. See “Plan of Distribution.” 
  

 A-1 

 ANNEX B 
 Each broker-dealer that receives Exchange Securities for its own account in exchange for Securities, where such Initial Securities were acquired by such broker-dealer as a result of market-making activities or other
trading activities, must acknowledge that it will deliver a prospectus in connection with any resale of such Exchange Securities. See “Plan of Distribution.” 
  

 B-1 

 ANNEX C 
 PLAN OF DISTRIBUTION 
 Each broker-dealer that receives Exchange Securities for its own account
pursuant to the Registered Exchange Offer must acknowledge that it will deliver a prospectus in connection with any resale of such Exchange Securities. This Prospectus, as it may be amended or supplemented from time to time, may be used by a
broker-dealer in connection with resales of Exchange Securities received in exchange for Initial Securities where such Initial Securities were acquired as a result of market-making activities or other trading activities. The Company has agreed that,
for a period of 180 days after the consummation of the Registered Exchange Offer, it will make this prospectus, as amended or supplemented, available to any broker-dealer for use in connection with any such resale. In addition, until
                    , 200   (90 days after the consummation of the Registered Exchange Offer), all dealers effecting transactions in
the Exchange Securities may be required to deliver a prospectus. 
 The Company will not receive any proceeds from any sale of Exchange
Securities by broker-dealers. Exchange Securities received by broker-dealers for their own account pursuant to the Exchange Offer may be sold from time to time in one or more transactions in the over-the-counter market, in negotiated transactions,
through the writing of options on the Exchange Securities or a combination of such methods of resale, at market prices prevailing at the time of resale, at prices related to such prevailing market prices or negotiated prices. Any such resale may be
made directly to purchasers or to or through brokers or dealers who may receive compensation in the form of commissions or concessions from any such broker-dealer or the purchasers of any such Exchange Securities. Any broker-dealer that resells
Exchange Securities that were received by it for its own account pursuant to the Exchange Offer and any broker or dealer that participates in a distribution of such Exchange Securities may be deemed to be an “underwriter” within the
meaning of the Securities Act and any profit on any such resale of Exchange Securities and any commission or concessions received by any such persons may be deemed to be underwriting compensation under the Securities Act. The Letter of Transmittal
states that, by acknowledging that it will deliver and by delivering a prospectus, a broker-dealer will not be deemed to admit that it is an “underwriter” within the meaning of the Securities Act. 
 For a period of 180 days after the consummation of the Registered Exchange Offer, the Company will promptly send additional copies of this Prospectus and
any amendment or supplement to this Prospectus to any broker-dealer that requests such documents as provided in the Letter of Transmittal. The Company has agreed to pay all expenses incident to the Exchange Offer (including the expenses of one
counsel for the Holders of the Securities) other than commissions or concessions of any brokers or dealers and will indemnify the Holders of the Securities (including any broker-dealers) against certain liabilities, including liabilities under the
Securities Act. 
  

 C-1 

 ANNEX D 
  

	 ̈	CHECK HERE IF YOU ARE A BROKER-DEALER AND WISH TO RECEIVE 10 ADDITIONAL COPIES OF THE PROSPECTUS AND 10 COPIES OF ANY AMENDMENTS OR SUPPLEMENTS THERETO. 

  

					
	 Name:
	 	                                      
                                        
                                    	 	
	 Address:
	 	                                      
                                        
                                    	 	
		 	                                      
                                        
                                    	 	

 If the undersigned is not a broker-dealer, the undersigned represents that it is not engaged in,
and does not intend to engage in, a distribution of Exchange Securities. If the undersigned is a broker-dealer that will receive Exchange Securities for its own account in exchange for Initial Securities that were acquired as a result of
market-making activities or other trading activities, it acknowledges that it will deliver a prospectus in connection with any resale of such Exchange Securities; however, by so acknowledging and by delivering a prospectus, the undersigned will not
be deemed to admit that it is an “underwriter” within the meaning of the Securities Act. 
  

 D-1Employment Agreement between the Company and Todd Helvie

 Exhibit 10.1 
 EMPLOYMENT AGREEMENT 
 This Employment Agreement (the “Agreement”) between UNITED RENTALS,
INC., a Delaware corporation, having a principal place of business at Five Greenwich Office Park, Greenwich, CT 06831 (United Rentals, Inc., and all of its affiliates shall collectively be referred to herein as the “Company”),
and TODD HELVIE, having a residence at 22 Meadow Drive, Cos Cob, CT 06807 (“Employee”) is hereby entered into as of the date identified below. 
 Recitals: 
 The Company engages in the business of renting and selling equipment and merchandise to the
commercial and general public, including construction equipment, earthmoving equipment, aerial equipment, aerial work platforms, traffic safety equipment, trench safety equipment, industrial equipment, landscaping equipment, and home repair and
maintenance equipment, as well as highway construction related technologies and the buying of companies that engage in such activities along with the computer hardware and software systems designed, developed and utilized with respect to any of the
foregoing. The Company may in the future also engage in other businesses. The businesses in which the Company is at any time engaged, to any extent, are collectively referred to as the “Business.” 
 Employee is or will be employed by the Company in a confidential relationship where Employee, in the course of his or her employment with the Company, has become or will
become familiar with and aware of information which was established and maintained at great expense to the Company; this information is a Trade Secret (as defined below) and constitutes valuable goodwill of the Company. The protection of these Trade
Secrets (as defined below) is of critical importance to the Company. 
 The Company will sustain great loss and damage if Employee should violate the
provisions of this Agreement. Monetary damages for such losses would be extremely difficult to measure. 
 NOW, THEREFORE, in consideration of the
Company’s promotion and continued employment of Employee on an at-will basis, the salary continuation described in Section 3.1, and other good and valuable consideration which the Employee acknowledges is being granted in exchange for the
terms and provisions contained herein, (including, but not limited to, the non-compete provisions contained in Section 3 and the assignment provision contained in Section 9(c)) the parties hereby agree as follows: 
 1. Employment At Will; Full Time, Etc. 
  

	 	(a)	Employee is employed on at-will basis. His or her employment may be terminated by the Company or by the Employee, at any time, for any reason, without notice or cause.

  

	 	(b)	During his or her employment, Employee shall devote his or her full time, attention and use best efforts to promote and further the business and services of the Company. Employee
shall faithfully adhere to, execute and fulfill all policies established by the Company. Employee shall not, during his or her employment, be engaged in any other business activity pursued for gain, profit or other pecuniary advantage without the
prior written consent of the Company. 

  

	 	(c)	All funds received by Employee on behalf of the Company, if any, shall be held in trust for the Company and shall be delivered to the Company as soon as practicable.

  

	 	(d)	The Company shall reimburse Employee for properly documented expenses that are incurred by Employee on behalf of the Company in accordance with Company policies in effect from time
to time. 

 2. Trade Secrets; Confidentiality and Company Property. During and at all times after Employee’s employment
with the Company: 
  

	 	(a)	Employee will not disclose to any person or entity, without the Company’s prior written consent, any Trade Secrets or other Confidential Information (as defined below), whether
prepared by Employee or others; 

  

	 	(b)	Employee will not use any Trade Secrets or other Confidential Information in order to solicit or call upon any person or entity; 

  

	 	(c)	Employee will not directly or indirectly use any Trade Secrets or other Confidential Information other than as directed by the Company in writing; 

  

	 	(d)	Employee will not, except in the furtherance of the business of the Company, remove any Trade Secrets or other Confidential Information from the premises of the Company without the
prior written consent of the Company; 

  

	 	(e)	All products, correspondence, reports, records, charts, advertising materials, designs, plans, manuals, field guides, memoranda, lists and other property compiled or produced by
Employee or delivered to Employee by or on behalf of the Company or by its customers (including, but not limited to, customers obtained by the Employee), whether or not Confidential Information, shall be and remain the property of the Company and
shall be subject at all times to its direction and control; 

  

	 	(f)	Employee will promptly deliver to the Company all originals and copies (whether in note, memo or other document form or on video, audio, computer tapes, discs or otherwise) of all
Trade Secrets or other Confidential Information, and all property identified in Section 2(e) above, that is in Employee’s possession, custody or control, whether prepared by Employee or others; 

  

	 	(g)	“Trade Secrets” shall mean all information not generally known about the business of the Company, which is subject to reasonable efforts to maintain its secrecy or
confidentiality, and from which the Company derives economic value from the fact that the information is not generally known to others who may obtain economic value from its disclosure or use, regardless of whether such information is specifically
designated as a trade secret, and regardless of whether such information may be protected as a trade secret under any applicable law. 

  

	 	(h)	“Confidential Information” shall mean all information which is valuable to the Company and not generally known to the public, and includes, but is not limited to:

  

	 	(i)	business, strategic and marketing plans and forecasts, and the past results of such plans and forecasts; 

  

	 	(ii)	business, pricing and management methods; 

  

	 	(iii)	employee handbooks, operations manuals and best practices memoranda; 

  

	 	(iv)	finances, strategies, systems, research, surveys, plans, reports, recommendations and conclusions; 

  

	 	(v)	names of, arrangements with, or other information relating to, the Company’s customers, equipment suppliers, manufacturers, financiers, owners or operators, representatives and
other persons who have business relationships with the Company or who are prospects for business relationships with the Company; 

  

 2 

	 	(vi)	technical information, work product and know-how; 

  

	 	(vii)	cost, operating, and other management information systems, and other software and programming; 

  

	 	(viii)	the name of any company or business, any part of which is or at any time was a candidate for potential acquisition by the Company, together with all analyses and other information
which the Company has generated, compiled or otherwise obtained with respect to such candidate, business or potential acquisition, or with respect to the potential effect of such acquisition on the Company’s business, assets, financial results
or prospects; and 

  

	 	(ix)	the Company’s Trade Secrets (note that some of the information listed above may also be a Trade Secret). 

 3. Non-Compete Provisions. The following covenants are made by Employee in partial consideration for the substantial economic investment made by the Company in
the employment, education and training of Employee and the compensation and other benefits afforded by the Company to the Employee. Such covenants were material inducements to the Company in employing Employee and giving Employee access to the
Company’s Trade Secrets and Confidential Information. 
  

	 	(a)	During his or her employment by the Company and for a period of 12 months immediately following the termination of his or her employment for any reason whatsoever, whether or not
for cause or by resignation, Employee will not, directly or indirectly (whether through affiliates, relatives or otherwise): 

  

	 	(i)	in any Restricted Area (as hereinafter defined), be employed or retained by any person or entity who or which then competes with the Company to any extent, nor will Employee
directly or indirectly own any interest in any such person or entity or render to it any consulting, brokerage, contracting, financial or other services or any advice, assistance or other accommodation. Employee shall be deemed to be employed or
retained in the Restricted Area if Employee has an office in the Restricted Area or if Employee performs any duties or renders any advice with respect to any facility or business activities in the Restricted Area. A “Restricted
Area” means each of: 

  

	 	(A)	any state in the United States and any province in Canada in which the Company conducts any equipment rental or other equipment-related activity, it being agreed that each state and
province is one unitary market for purposes of the Company’s business; and 

  

	 	(B)	regardless of state, the area within a 50 mile radius of any office or facility of the Company in which or in relation to which Employee shall have performed any duties for the
Company during the one year period preceding the termination of his or her employment. 

  

	 	(ii)	Be employed or retained anywhere in the United States or Canada by a Similar Entity (as hereinafter defined), nor will Employee directly or indirectly own any interest in any
Similar Entity or render to it any consulting, brokerage, financing, contracting, or other services. A “Similar Entity” means each of: 

  

	 	(A)	the entities listed in Exhibit A to this Agreement; 

  

	 	(B)	any person or entity which anywhere in the United States now or hereafter engages in any aspect of any business in which the Company now or hereafter engages;

  

 3 

	 	(C)	any entity which at any time during the term of Employee’s employment was a candidate for acquisition by or merger with the Company; and 

  

	 	(D)	any entity which owns or owned any facility which was acquired by the Company, or was a candidate for acquisition by the Company, at any time during the term of Employee’s
employment. 

  

	 	(b)	During his or her employment by the Company and for a period of 12 months immediately following the termination of his or her employment for any reason whatsoever, whether or not
for cause, Employee will not anywhere directly or indirectly (whether as an owner, partner, employee, consultant, broker, contractor or otherwise, and whether personally or through other persons): 

  

	 	(i)	solicit the business of, or call upon, any person or entity, or affiliate of any such person or entity, who or which is or was a customer, supplier, manufacturer, finder, broker, or
other person who had a business relationship with the Company or who was a prospect for a business relationship with the Company at any time during the period of Employee’s employment, for the purpose of providing or obtaining any product or
service reasonably deemed competitive with any product or service then offered by the Company; 

  

	 	(ii)	approve, solicit or retain, or discuss the employment or retention (whether as an employee, consultant or otherwise) of any person who was an employee of the Company at any time
during the one-year period preceding the termination of Employee’s employment; 

  

	 	(iii)	solicit or encourage any person to leave the employ of the Company; 

  

	 	(iv)	call upon or assist in the acquisition of any company which was, during the term of this Agreement, either called upon by an employee of the Company or by a broker or other third
party, for possible acquisition by the Company or for which an employee of the Company or other person made an acquisition analysis for the Company; or 

  

	 	(v)	own any interest in or be employed by or provide any services to any person or entity which engages in any conduct which is prohibited to Employee under this
Section 3(b). 

  

	 	(c)	Before taking any position with any person or entity that competes with the Company during the 12 month period following the termination of his or her employment for any reason,
with or without cause, Employee will give prior written notice to the Company of the name of such person or entity. Irrespective of whether such notice is given, the Company shall be entitled to advise each such person or entity of the provisions of
this Agreement, and to correspond and otherwise deal with each such person or entity to ensure that the provisions of this Agreement are enforced and duly discharged. 

  

	 	(d)	All time periods in this Agreement shall be computed by excluding from such computation any time during which Employee is in violation of any provision of this Agreement and any
time during which there is pending in any court of competent jurisdiction any action (including any appeal from any final judgment) brought by any person, whether or not a party to this Agreement, in which action the Company seeks to enforce the
agreements and covenants in this Agreement or in which any person contests the validity of such agreements and covenants or their enforceability or seeks to avoid their performance or enforcement. 

  

	 	(e)	Employee understands that the provisions of this Agreement have been carefully designed to restrict his or her activities to the minimum extent which is consistent with law and the
Company’s 

  

 4 

	 	    	requirements. Employee has carefully considered these restrictions, and Employee confirms that they will not unduly restrict Employee’s ability to obtain a livelihood. Employee
has heretofore engaged in businesses other than the Business. Before signing this Agreement, Employee has had the opportunity to discuss this Agreement and all of its terms with his or her attorney. 

  

	 	(f)	Since monetary damages will be inadequate and the Company will be irreparably damaged if the provisions of this Agreement are not specifically enforced, the Company shall be
entitled, among other remedies (i) to an injunction restraining any violation of this Agreement (without any bond or other security being required) by Employee and by any person or entity to whom Employee provides or proposes to provide any
services in violation of this Agreement, (ii) to require Employee to hold in a constructive trust, account for and pay over to the Company all compensation and other benefits which Employee shall derive as a result of any action or omission
which is a violation of any provision of this Agreement and (iii) to require Employee to account for and pay over to the Company any net profit earned by the Employee from the exercise, from and after the 24-month period prior to the
termination of his or her employment, of any stock options issued to him/her by the Company. 

  

	 	(g)	If any section, provision or clause of this Agreement, or any portion thereof, is held void or unenforceable, the remainder of such section, provision or clause, and all other
sections, provisions or clauses of this Agreement, shall remain in full force and effect as if the section, provision or clause determined to be void or unenforceable had not been contained herein. The paragraph headings herein are for reference
purposes only and are not intended in any way to describe, interpret, define or limit the extent or intent of this Agreement or any part hereof. 

  

	 	(h)	The courts enforcing this Agreement shall be entitled to modify the duration and scope of any restriction contained herein to the extent such restriction would otherwise be
unenforceable, and such restriction as modified shall be enforced. 

 3.1. Salary Continuation Payments. 
  

	 	(a)	In the event Employee’s employment was terminated by the Company without “cause” (as defined below) or Employee resigned for a “good reason” (as defined
below), then, for a period of 12 months following termination of employment, the Company shall pay to Employee every two weeks 1/26th of the base salary paid to Employee by the Company during the 12 month period immediately preceding termination of
his or her employment, or for an Employee who was employed by the Company for a period less than 12 months, the annualized base salary paid to Employee by the Company for the period of employment preceding the Employee’s termination; provided,
however, all payments to Employee provided in this Section 3.1(a) are conditioned upon Employee’s execution of a separation agreement and general release, in such form as the Company in its sole discretion determines. In the event Employee
fails to execute the aforementioned separation agreement and general release, or Employee at any time breaches any of the terms of this Agreement, all provisions of this Agreement shall remain in effect for the full terms specified herein, but the
Company shall not be obligated to, or shall no longer be obligated to, provide to Employee the Salary Continuation Payments. The payments identified in this Section 3.1(a) shall cease in the event Employee accepts other employment during the 12
month period (Employee shall promptly advise the Company in writing of the name and address of any new employer). 

  

	 	(b)	As used in Section 3.1(a), “cause” shall mean the occurrence of any of the following events as solely determined by the Company: (i) the Employee has
misappropriated any funds or property of the Company, or has willfully or negligently destroyed property of the Company; (ii) the Employee has been convicted of any crime that impairs the Employee’s ability to perform his or her duties and
responsibilities with the Company, or that causes or may cause damage to the Company or its operations or reputation, or that involves fraud, embezzlement or moral turpitude; (iii) the Employee has (a) obtained personal profit from any
transaction of or involving the Company (or 

  

 5 

	 	    	engaged in any activity with the intent of obtaining such a personal profit) without the prior written approval of the Company or (b) engaged in any other conduct which
constitutes a breach of fiduciary duty or the duty of loyalty to the Company and which has resulted or may result in damage to the Company; (iv) intentionally omitted; (v) the Employee has engaged in on-the-job conduct that falls below the
standards the Company may reasonably expect; (vi) the Employee’s use of alcohol or drugs has interfered with his or her ability to perform his or her duties and responsibilities with the Company; (vii) the Employee has knowingly made
any untrue statement or omission on or in support of the Employee’s application for employment with the Company, regardless of when discovered; (viii) the Employee has falsified Company records; (ix) the Employee has an unsatisfactory
record of tardiness and/or attendance; (x) the Employee has committed any act intended to damage the reputation of the Company or which, in fact, damages the reputation of the Company; (xi) the Employee has disclosed to any unauthorized
person any confidential or proprietary information, records, data, formulae, specifications or trade secrets or other information of value to the Company; or, (xii) the Employee has (a) violated the Company’s policies or rules
(including, but not limited to, the Company’s equal employment opportunity policies) or (b) is guilty of negligence or misconduct in the performance of his or her duties with the Company. 

  

	 	(c)	As used in Section 3.1(a), a “good reason” shall exist only if Employee’s duties are substantially reduced such that they are inconsistent with the duties of a
controller (or such other executive-level position to which Employee may be assigned), or if Employee is required to relocate to another facility which is based more than 50 miles from Greenwich, CT. “Good reason” shall not exist unless
the Employee has given written notice to the Company of the occurrence of such event with a reference to this Agreement, and the Company has not cured such event by the 30th day after the date of such notice. 

 3.2. Change of Control. 
  

	 	(a)	If there is a Change of Control (as defined below), and before six months have elapsed after the Change of Control the Company i) terminates Employee’s employment without
“cause” (as defined in Section 3.1(b) herein), or ii) employee has resigned for a “good reason” (as defined in Section 3.1(c) herein), the Company agrees that any valid and unvested restricted stock or stock options
issued to Employee pursuant to separate agreements shall automatically vest provided that Employee is not otherwise in breach of this Employment Agreement. 

  

	 	(b)	A “Change of Control” shall be deemed to have occurred if: 

  

	 	i)	Any “person” is or becomes a “beneficial owner” (as defined in Rule 13d-3 under the Securities Exchange Act of 1934 (the “Act”)) directly or
indirectly, of securities of URI representing 50% or more of the total voting power represented by then outstanding voting securities of URI, or has the power (whether as a result of stock ownership, revocable or irrevocable proxies, contract or
otherwise) or ability to elect or cause the election of directors consisting at the time of such election of a majority of the Board of Directors. The term “persons” is defined in Section 13(d) of the Act, except that the term
“person” shall not include (1) any person or an Affiliate of such person who as of the date of this Agreement owns 10% or more of the total voting power represented by the outstanding voting securities of URI; and (2) a trustee
or other fiduciary holding securities under any employee benefit plan of URI or a corporation which is owned directly or indirectly by the stockholders of URI in substantially the same percentage as their ownership in URI, or

  

	 	ii)	the stockholders of URI approve a merger of URI, or a plan of complete liquidation of URI, or an agreement for the sale or disposition by URI of all or substantially all of its
assets, or any other business combination of URI with any other corporation, but not to include any merger or business combination of URI with any other corporation which 

  

 6 

	 	    	would result in the voting securities of URI outstanding immediately prior thereto continuing to represent (either by remaining outstanding or by being converted into voting
securities of the surviving entity) at least 50% of the total voting power represented by the voting securities of URI or such surviving entity outstanding immediately after such merger or business combination. An “Affiliate” of a person
is a person that controls, is controlled by, or is under common control with such person. 

 3.3. Indemnification. 
  

	 	(a)	The Company shall indemnify Employee to the fullest extent permitted by Delaware law in effect as of the date hereof against all costs, expenses, liabilities and losses (including,
without limitation, attorneys’ fees, judgments, fines, penalties, ERISA excise taxes, penalties and amount paid in settlement) reasonably incurred by Employee in connection with a Proceeding. For the purposes of this Section 3.3, a
“Proceeding” shall mean any action, suit or proceeding, whether civil, criminal, administrative or investigative, in which Employee is made, or is threatened to be made, a party to, or a witness in, such action, suit or proceeding by
reason of the fact that he or she is or was an officer or employee of the Company or is or was serving as an officer, member, employee, trustee or agent of any other entity at the request of the Company. 

  

	 	(b)	The Company shall advance to Employee all reasonable costs and expenses incurred by him or her in connection with a Proceeding within 30 days after receipt by the Company of a
written request for such advance. Such request shall include an itemized list of the costs and expenses and an undertaking by Employee to repay the amount of such advance if it shall ultimately be determined that he or she is not entitled to be
indemnified against such costs. 

  

	 	(c)	Employee shall not be entitled to indemnification under this Section 3.3 unless he or she meets the standard of conduct specified in the Delaware General Corporation Law.
Notwithstanding the foregoing, to the extent permitted by law, neither Section 145(d) of the Delaware General Corporation Law nor any similar provision shall apply to indemnification under this Section 3.3 so that if Employee in fact meets
the applicable standard of conduct, he or she shall be entitled to such indemnification whether or not the Company (whether by the board of directors, the shareholders, independent legal counsel or other party) determines that indemnification is
proper because he or she has met the applicable standard of conduct. Neither the failure of the Company to have made such a determination prior to the commencement by Employee of any suit or arbitration proceeding seeking indemnification, nor a
determination by the Company that he or she has not met such applicable standard of conduct, shall create a presumption that he or she has not met the applicable standard of conduct. 

  

	 	(d)	The rights to indemnification conferred under this Agreement shall not be exclusive of any other rights to indemnification which Employee may have by law or pursuant to the terms of
any other agreement. To the extent the Company from time to time provides such coverage for its other officers, the Company agrees to continue and maintain an officers’ liability insurance policy covering Employee both during his or her
employment and after Employee’s termination of his or her employment with respect to acts or omissions that occurred prior to his or her termination of employment. 

  

	 	(e)	Notwithstanding any other provision hereunder to the contrary, the Company shall not be obligated pursuant to the terms of this Agreement: (i) to indemnify or advance with
respect to Proceedings or claims initiated or brought voluntarily by Employee and not by way of defense (other than Proceedings brought to establish or enforce a right to indemnification under this Agreement unless a court of competent jurisdiction
determines that each of the material assertions made by Employee in such Proceeding were not made in good faith or were frivolous); or (ii) to indemnify Employee under this Agreement for any amounts paid in settlement of a Proceeding covered
hereby without the prior written consent of the Company to such settlement, such consent not to be unreasonably withheld. 

  

 7 

	 	(f)	Promptly after receipt by Employee of notice to him or her of the commencement or threat of any Proceeding covered hereby, Employee shall notify the Company of the commencement or
threat thereof, provided that any failure to so notify shall not relieve the Company of any of its obligations hereunder, except to the extent that such failure or delay materially increases the liability of the Company hereunder.

  

	 	(g)	If the Company shall be obligated to indemnify Employee with respect to a Proceeding, the Company may (and shall if requested by Employee in writing) assume the defense of the
Proceeding, in which event the Company shall deliver a notice of assumption to Employee. The Company will not be liable to Employee under this Agreement for any fees or expenses of counsel incurred by Employee after delivery of such notice of
assumption with respect to such Proceeding; provided, however, that if Employee shall have provided the Company with any opinion of counsel stating that there is a strong argument that a conflict of interest exists between the Company and Employee
in the conduct of any such defense, the fees and expenses of Employee’s counsel shall be at the expense of the Company. Notwithstanding the fact that the Company assumes the defense of a Proceeding pursuant to the preceding sentence, Employee
shall have the right to employ his or her own counsel in any such Proceeding at Employee’s expense. 

 4. Inventions and Intellectual
Property. Employee shall promptly disclose to the Company any and all conceptions and ideas for inventions, improvements and valuable discoveries, whether patentable or not, which are conceived or made by Employee, solely or jointly with
another, during or after regular hours of employment, during the period of employment or within one year thereafter, and which are related to the business or activities of the Company or which Employee conceives as a result of his or her employment
by the Company, and Employee hereby assigns and agrees to assign all Employee’s interests therein to the Company or its nominee. Employee also agrees that all works created by him/her are considered work made for hire and prepared by Employee
within the scope of his/her employment by the Company and Employee further agrees to assign, and hereby does assign automatically, all such future work to the Company. Whenever requested to do so by the Company, Employee shall execute any and all
applications, assignments or other instruments that the Company shall deem necessary to apply for and obtain Letters of Patent or Copyright of the United States or any foreign country or to otherwise protect the Company’s interest therein.
These obligations shall continue beyond the termination of employment with respect to inventions, improvements and valuable discoveries, whether patentable or not, conceived, made or acquired by Employee during the period of employment or within one
year thereafter, and shall be binding upon Employee’s assigns, executors, administrators and other legal representatives. 
 5. Jurisdiction,
Arbitration & Attorneys’ Fees. 
  

	 	(a)	Consent to Personal Jurisdiction. Employee hereby agrees that the interpretation and enforcement of the provisions of this Agreement shall be resolved and determined
exclusively by the state court sitting in Fairfield County, Connecticut or the federal courts in the District of Connecticut and Employee hereby consents that such courts be granted exclusive jurisdiction for such purpose. Employee hereby
acknowledges that, in the performance of his or her duties, Employee will maintain significant contacts with the Company’s corporate offices in Connecticut, including, without limitation, telephone and email contacts with corporate personnel,
access to corporate databases maintained in Connecticut, required attendance at certain training and/or strategic meetings, and payment of business related travel and entertainment expenses. 

  

	 	(b)	Waiver of Jury Trial. Employee agrees to waive a trial by jury in all legal disputes brought pursuant to this Agreement. 

  

	 	(c)	Waiver of Service. Employee agrees to waive formal service of process under any applicable federal or state rules of procedure. Service of process shall be effective when
given in the manner provided for notices hereunder. 

  

 8 

	 	(d)	Arbitration of Certain Claims by Employee. 

  

	 	(i)	Except for matters referred to in Section 5(a), any and all claims by Employee relating to any matter arising during or after the employment of the Employee by Company
or in connection with the cessation of said employment shall be resolved exclusively by arbitration conducted by one arbitrator in accordance with the National Rules for the Resolution of Employment Disputes established by the American Arbitration
Association (AAA). The Company will provide a copy of these Rules to Employee on request. The decision of the arbitrator will be final and binding on both parties. 

  

	 	(ii)	The claims and disputes to be arbitrated under this Section 5(d) (“Arbitrable Claims”) include without limitation, disputes or claims arising under
(A) federal, state, and local statutory or common law, such as the Age Discrimination in Employment Act, Title VII of the Civil Rights Act of 1964, as amended, including the amendments of the Civil Rights Act of 1991, the Americans with
Disabilities Act, (B) the law of contract and (C) the law of tort. 

  

	 	(iii)	Each Arbitrable Claim shall automatically expire unless Employee begins arbitration for the claim no later than the first anniversary of the day on which the Employee learned or
reasonably should have learned that he or she may have such claim. 

  

	 	(e)	Attorneys’ Fees. If Employee breaches any of the covenants set forth in this Agreement, Employee agrees to pay all costs (including reasonable attorneys’ fees)
incurred by the Company in establishing that breach and in otherwise enforcing any of the covenants or provisions of this Agreement. 

 6.
Suits Against Company. 
  

	 	(a)	Both during and after the term of employment hereunder, Employee covenants that Employee will not bring suit or file counterclaims against the Company, for corporate misconduct
(which for this purpose does not mean matters for which Employee has a personal claim against the Company in his or her capacity as an employee), unless both of (i) and (ii) shall have occurred, namely: 

  

	 	(i)	Employee shall have first made written demand to the Company’s Board of Directors to investigate and deal with such misconduct, and 

  

	 	(ii)	The Board of Directors shall have failed within 45 days after the date of receipt of such demand to establish a Special Litigation Committee, consisting exclusively of outside
directors, to investigate and deal with such misconduct. 

  

	 	(b)	Without limiting the generality and to further implement the foregoing, Employee irrevocably and unconditionally consents at the option of the Company to the entry of temporary
restraining orders and temporary and permanent injunctions (without posting bond or other security) against the filing of any action or counterclaim that is prohibited hereunder. 

  

	 	(c)	The opinion of the Board of Directors shall be binding and conclusive on the determination of which directors constitute “outside directors,” and the determination of the
Special Litigation Committee shall be binding and conclusive on all matters relating to the actual or alleged misconduct which is referred to it as aforesaid. 

 7. Cooperation in Proceedings. During and after the termination of Employee’s employment, Employee will cooperate fully and at reasonable times with the Company and its subsidiaries in all litigations and
regulatory proceedings on which the Company or any subsidiary seeks Employee’s assistance and as to which Employee has any knowledge or involvement. Without limiting the generality of the foregoing, Employee will be available to 
  

 9 

 testify at such litigations and other proceedings, and will cooperate with counsel to the Company in preparing materials
and offering advice in such litigations and other proceedings. If Employee is not then employed by the Company, the Company shall pay to Employee reasonable compensation for documented time spent in such cooperation, consistent with his or her
compensation from the Company prior to termination. Except as required by law and then only upon reasonable prior written notice to the Company, Employee will not in any way cooperate or assist any person or entity in any matter which is adverse to
the Company or to any person who was at any time an officer or director of the Company. 
 8. No Derogation. Except as otherwise required by law (and
then only upon 10 days’ prior written notice to the Company), Employee will not from and after the date hereof, whether during Employee’s employment or at any time thereafter, in any way or to any person, denigrate or derogate the Company
or any of its subsidiaries, or any person who was at any time an officer or director of the Company, or any products, services or procedures, whether or not such denigrating or derogatory statements shall be true and are based on acts or omissions
which were learned or are learned by Employee heretofore or from and after the date hereof or on acts or omissions which occurred at any time heretofore or which occur at any time from and after the date hereof, or otherwise. 
 9. Miscellaneous. 
  

	 	(a)	This Agreement is not a promise of employment. There are no oral representations, understandings or agreements with the Company or any of its officers, directors or representatives
covering the same subject matter as this Agreement. This written Agreement is the final, complete and exclusive statement and expression of the agreement between the Company and Employee and of all the terms of this Agreement, it cancels and
supersedes all prior agreements with respect to the subject matter hereof, and it cannot be varied, contradicted or supplemented by evidence of any prior or contemporaneous oral or written agreements. This written Agreement may not be later modified
except by a further writing signed by the Company and Employee, and no term of this Agreement may be waived except by a writing signed by the party waiving the benefit of such terms. 

  

	 	(b)	No waiver by the parties hereto of any default or breach of any term, condition or covenant of this Agreement shall be deemed to be a waiver of any subsequent default or breach of
the same or any other term, condition or covenant contained herein. This Agreement is intended, among other things, to supplement the applicable common and/or statutory laws and does not in any way abrogate any of the obligations or duties Employee
otherwise owes to the Company. 

  

	 	(c)	This Agreement shall be binding upon and inure to the benefit of the Parties named herein and their respective heirs, legal representatives, successors and permitted assigns.
Employee may not assign either this Agreement or any of Employee’s rights, interests or obligations hereunder. Employee hereby agrees and acknowledges that the Company may assign any or all of its rights and interest hereunder, including, but
not limited to, Employee’s agreements contained in Section 2 and Section 3 hereof, without the consent of Employee, to any person or entity that acquires any of the assets of the Company, or to any affiliate of the
Company, or to any entity with which the Company merges or consolidates. 

  

	 	(d)	Whenever any notice is required hereunder, it shall be given in writing addressed as follows: 

  

			
	To the Company:	  	United Rentals, Inc.
		  	Five Greenwich Office Park
		  	Greenwich, CT 06831
		  	Attn: Human Resources Department
		
	with a copy to:	  	United Rentals, Inc.
		  	Five Greenwich Office Park
		  	Greenwich, CT 06831
		  	Attn: Legal Department

  

 10 

			
	To Employee:	  	22 Meadow Drive
		  	Cos Cob, CT 06807

  

	 	    	Notice shall be deemed effective: (a) five business days after the document is deposited in the U.S. mail (provided it is sent via first class mail, certified, return receipt
requested); (b) one business day after the document is delivered to a nationally recognized air courier for next day delivery; and/or (c) upon personal delivery. Either party may change the address for notice by notifying the other party
of such change in accordance with this paragraph. 

  

	 	(e)	If any portion of this Agreement is held invalid or inoperative, the other portions of this Agreement shall be deemed valid and operative, and so far as it is reasonable and
possible, effect shall be given to the intent manifested by the portion held invalid or inoperative. The paragraph headings herein are for reference purposes only and are not intended in any way to describe, interpret, define or limit the extent or
intent of this Agreement or any part hereof. 

  

	 	(f)	All rights and remedies of either Party expressly set forth herein are intended to be cumulative and not in limitation of any other right or remedy set forth herein or otherwise
available to such party at law or in equity. Notwithstanding the foregoing, in no event shall either party be liable to the other for consequential or punitive damages, except as otherwise provided in this Agreement. 

  

	 	(g)	The Company makes no representations regarding the tax implications of any compensation, payments and benefits to be paid to Employee under this Agreement, including, without
limitation, under IRC Section 409A. Employee and the Company agree that in the event the Company reasonably determines that the terms hereof would result in Employee being subject to tax under Section 409A of the Code, Employee and the
Company shall negotiate in good faith to amend this Agreement to the extent necessary to prevent the assessment of any such tax, including by delaying the payment dates of any amounts hereunder. 

  

	 	(h)	This Agreement shall in all respects be constructed according to the laws of the State of New York, without regard to its conflict of laws principles. 

  

	 	(i)	This Agreement may be executed by facsimile and/or in any number of counterparts, each of which upon execution and delivery shall be considered an original for all purposes;
provided, however, all such counterparts shall, together, upon execution and delivery, constitute one and the same instrument. 

  

									
	UNITED RENTALS, INC., a Delaware	 		  	EMPLOYEE:
	corporation	 		  		 	
				
	BY:	 	 /s/  Jeffrey Vona
	 		  	 /s/  Todd Helvie

		 		 		  	TODD HELVIE
	NAME:	 	 Jeffrey Vona
	 		  		 	
					
	TITLE:	 	 Director, Legal Affairs
	 		  	DATE:	 	 August 29, 2006

					
	DATE:	 	 August 30, 2006
	 		  		 	

  

 11

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