Indenture



 Exhibit 4.1 
 GMX RESOURCES INC., 
 as the Issuer, 

EACH OF THE SUBSIDIARY GUARANTORS PARTY HERETO 
 and 
 THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., 

as Trustee 
  

 
 INDENTURE

 Dated as of February 9, 2011 
  

 
 11.375% Senior
Notes due 2019 







 CROSS-REFERENCE TABLE 

 

					
	   TIA
 Section
	  	Indenture
Section
			
	310	 	(a)(1)	  	7.10
		 	(a)(2)	  	7.10
		 	(a)(3)	  	N.A.
		 	(a)(4)	  	N.A.
		 	(a)(5)	  	7.08; 7.10
		 	(b)	  	7.03; 7.08; 7.10; 11.02
		 	(c)	  	N.A.
	311	 	(a)	  	7.11
		 	(b)	  	7.11
		 	(c)	  	N.A.
	312	 	(a)	  	2.05
		 	(b)	  	11.03
		 	(c)	  	11.03
	313	 	(a)	  	7.06
		 	(b)(1)	  	N.A.
		 	(b)(2)	  	7.06
		 	(c)	  	7.06; 11.02
		 	(d)	  	7.06
	314	 	(a)	  	4.06; 4.08
		 	(b)	  	N.A.
		 	(c)(1)	  	11.04
		 	(c)(2)	  	11.04
		 	(c)(3)	  	N.A.
		 	(d)	  	N.A.
		 	(e)	  	11.05
		 	(f)	  	N.A.
	315	 	(a)	  	7.01(b)
		 	(b)	  	7.05
		 	(c)	  	7.01(a)
		 	(d)	  	7.01(c)
		 	(e)	  	6.11
	316	 	(a)(last sentence)	  	2.09
		 	(a)(1)(A)	  	6.05
		 	(a)(1)(B)	  	6.04
		 	(a)(2)	  	N.A.
		 	(b)	  	6.07
		 	(c)	  	9.04
	317	 	(a)(1)	  	6.08
		 	(a)(2)	  	6.09
		 	(b)	  	2.04
	318	 	(a)	  	11.01
		 	(b)	  	N.A.
		 	(c)	  	11.01

  

N.A. means Not Applicable 
 NOTE: This
Cross-Reference Table shall not, for any purpose, be deemed to be a part of this Indenture. 







 TABLE OF CONTENTS 

 

							
	 	  	 	  	Page	 
	
	ARTICLE I.	  
	
	DEFINITIONS AND INCORPORATION BY REFERENCE	  
			
	 SECTION 1.1.
	  	 Definitions
	  	 	1	  
	 SECTION 1.2.
	  	 Incorporation by Reference of TIA
	  	 	45	  
	 SECTION 1.3.
	  	 Rules of Construction
	  	 	45	  
	
	ARTICLE II.	  
	
	THE NOTES	  
			
	 SECTION 2.1.
	  	 Form and Dating
	  	 	46	  
	 SECTION 2.2.
	  	 Execution and Authentication; Aggregate Principal Amount
	  	 	47	  
	 SECTION 2.3.
	  	 Registrar and Paying Agent
	  	 	48	  
	 SECTION 2.4.
	  	 Paying Agent To Hold Assets in Trust
	  	 	49	  
	 SECTION 2.5.
	  	 Holder Lists
	  	 	49	  
	 SECTION 2.6.
	  	 Transfer and Exchange
	  	 	50	  
	 SECTION 2.7.
	  	 Replacement Notes
	  	 	62	  
	 SECTION 2.8.
	  	 Outstanding Notes
	  	 	63	  
	 SECTION 2.9.
	  	 Treasury Notes
	  	 	63	  
	 SECTION 2.10.
	  	 Temporary Notes
	  	 	63	  
	 SECTION 2.11.
	  	 Cancellation
	  	 	64	  
	 SECTION 2.12.
	  	 Defaulted Interest
	  	 	64	  
	 SECTION 2.13.
	  	 CUSIP Number
	  	 	65	  
	 SECTION 2.14.
	  	 Deposit of Monies
	  	 	65	  
	 SECTION 2.15.
	  	 Restrictive Legends
	  	 	65	  
	 SECTION 2.16.
	  	 Designation
	  	 	69	  
	
	ARTICLE III.	  
	
	REDEMPTION	  
			
	 SECTION 3.1.
	  	 Notices to Trustee
	  	 	69	  
	 SECTION 3.2.
	  	 Selection of Notes To Be Redeemed
	  	 	69	  
	 SECTION 3.3.
	  	 Optional Redemption
	  	 	70	  
	 SECTION 3.4.
	  	 Notice of Redemption
	  	 	71	  
	 SECTION 3.5.
	  	 Effect of Notice of Redemption
	  	 	72	  
	 SECTION 3.6.
	  	 Deposit of Redemption Price
	  	 	72	  
	 SECTION 3.7.
	  	 Notes Redeemed in Part
	  	 	72	  


  
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	 	  	 	  	Page	 
	
	ARTICLE IV.	  
	
	COVENANTS	  
			
	 SECTION 4.1.
	  	 Payment of Notes
	  	 	73	  
	 SECTION 4.2.
	  	 Maintenance of Office or Agency
	  	 	73	  
	 SECTION 4.3.
	  	 Organizational Existence
	  	 	73	  
	 SECTION 4.4.
	  	 Payment of Taxes and Other Claims
	  	 	74	  
	 SECTION 4.5.
	  	 Maintenance of Properties and Insurance
	  	 	74	  
	 SECTION 4.6.
	  	 Compliance Certificate; Notice of Default
	  	 	74	  
	 SECTION 4.7.
	  	 Compliance with Laws
	  	 	75	  
	 SECTION 4.8.
	  	 Reports to Holders
	  	 	76	  
	 SECTION 4.9.
	  	 Waiver of Stay, Extension or Usury Laws
	  	 	76	  
	 SECTION 4.10.
	  	 Limitation on Restricted Payments
	  	 	77	  
	 SECTION 4.11.
	  	 Limitations on Affiliate Transactions
	  	 	83	  
	 SECTION 4.12.
	  	 Limitation on Incurrence of Indebtedness and Preferred Stock
	  	 	85	  
	 SECTION 4.13.
	  	 Limitation on Restrictions on Distributions from Restricted Subsidiaries
	  	 	90	  
	 SECTION 4.14.
	  	 Payments for Consents
	  	 	92	  
	 SECTION 4.15.
	  	 Change of Control
	  	 	93	  
	 SECTION 4.16.
	  	 Limitation on Sales of Assets and Subsidiary Stock
	  	 	95	  
	 SECTION 4.17.
	  	 Limitation on Liens
	  	 	99	  
	 SECTION 4.18.
	  	 Limitation on Lines of Business
	  	 	99	  
	 SECTION 4.19.
	  	 Additional Subsidiary Guarantees
	  	 	99	  
	
	ARTICLE V.	  
	
	SUCCESSOR CORPORATION	  
			
	 SECTION 5.1.
	  	 Merger, Consolidation and Sale of Assets
	  	 	100	  
	 SECTION 5.2.
	  	 Successor Corporation Substituted
	  	 	102	  
	
	ARTICLE VI.	  
	
	REMEDIES	  
			
	 SECTION 6.1.
	  	 Events of Default
	  	 	103	  
	 SECTION 6.2.
	  	 Acceleration
	  	 	104	  
	 SECTION 6.3.
	  	 Other Remedies
	  	 	105	  
	 SECTION 6.4.
	  	 Waiver of Past Defaults
	  	 	105	  
	 SECTION 6.5.
	  	 Control by Majority
	  	 	106	  
	 SECTION 6.6.
	  	 Limitation on Suits
	  	 	106	  
	 SECTION 6.7.
	  	 Right of Holders To Receive Payment
	  	 	107	  


  
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	 	  	 	  	Page	 
			
	 SECTION 6.8.
	  	 Collection Suit by Trustee
	  	 	107	  
	 SECTION 6.9.
	  	 Trustee May File Proofs of Claim
	  	 	107	  
	 SECTION 6.10.
	  	 Priorities
	  	 	108	  
	 SECTION 6.11.
	  	 Undertaking for Costs
	  	 	108	  
	 SECTION 6.12.
	  	 Restoration of Rights and Remedies
	  	 	108	  
	
	ARTICLE VII.	  
	
	TRUSTEE	  
			
	 SECTION 7.1.
	  	 Duties of Trustee
	  	 	109	  
	 SECTION 7.2.
	  	 Rights of Trustee
	  	 	110	  
	 SECTION 7.3.
	  	 Individual Rights of Trustee
	  	 	111	  
	 SECTION 7.4.
	  	 Trustee’s Disclaimer
	  	 	111	  
	 SECTION 7.5.
	  	 Notice of Default
	  	 	112	  
	 SECTION 7.6.
	  	 Reports by Trustee to Holders
	  	 	112	  
	 SECTION 7.7.
	  	 Compensation and Indemnity
	  	 	113	  
	 SECTION 7.8.
	  	 Replacement of Trustee
	  	 	114	  
	 SECTION 7.9.
	  	 Successor Trustee by Merger, Etc.
	  	 	115	  
	 SECTION 7.10.
	  	 Eligibility; Disqualification
	  	 	115	  
	 SECTION 7.11.
	  	 Preferential Collection of Claims Against the Issuer
	  	 	115	  
	 SECTION 7.12.
	  	 Force Majeure
	  	 	115	  
	 SECTION 7.13.
	  	 Defaults and Events of Default
	  	 	116	  
	
	ARTICLE VIII.	  
	
	DISCHARGE OF INDENTURE; DEFEASANCE	  
			
	 SECTION 8.1.
	  	 Termination of Issuer’s Obligations
	  	 	116	  
	 SECTION 8.2.
	  	 Application of Trust Money
	  	 	119	  
	 SECTION 8.3.
	  	 Repayment to the Issuer
	  	 	119	  
	 SECTION 8.4.
	  	 Reinstatement
	  	 	119	  
	 SECTION 8.5.
	  	 Acknowledgment of Discharge by Trustee
	  	 	120	  
	
	ARTICLE IX.	  
	
	MODIFICATION OF THE INDENTURE	  
			
	 SECTION 9.1.
	  	 Without Consent of Holders
	  	 	120	  
	 SECTION 9.2.
	  	 With Consent of Holders
	  	 	121	  
	 SECTION 9.3.
	  	 Compliance with Trust Indenture Act
	  	 	122	  
	 SECTION 9.4.
	  	 Revocation and Effect of Consents
	  	 	123	  
	 SECTION 9.5.
	  	 Notation on or Exchange of Notes
	  	 	123	  
	 SECTION 9.6.
	  	 Trustee To Sign Amendments, Etc.
	  	 	123	  


  
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	 	  	 	  	Page	 
	
	ARTICLE X.	  
	
	[INTENTIONALLY OMITTED]	  
	
	ARTICLE XI.	  
	
	MISCELLANEOUS	  
			
	 SECTION 11.1.
	  	 TIA Controls
	  	 	124	  
	 SECTION 11.2.
	  	 Notices
	  	 	124	  
	 SECTION 11.3.
	  	 Communications by Holders with Other Holders
	  	 	125	  
	 SECTION 11.4.
	  	 Certificate and Opinion as to Conditions Precedent
	  	 	125	  
	 SECTION 11.5.
	  	 Statements Required in Certificate or Opinion
	  	 	126	  
	 SECTION 11.6.
	  	 Rules by Trustee, Paying Agent, Registrar
	  	 	126	  
	 SECTION 11.7.
	  	 Legal Holidays
	  	 	126	  
	 SECTION 11.8.
	  	 Governing Law
	  	 	127	  
	 SECTION 11.9.
	  	 No Adverse Interpretation of Other Agreements
	  	 	127	  
	 SECTION 11.10.
	  	 No Personal Liability
	  	 	127	  
	 SECTION 11.11.
	  	 Successors
	  	 	127	  
	 SECTION 11.12.
	  	 Duplicate Originals
	  	 	127	  
	 SECTION 11.13.
	  	 Severability
	  	 	127	  
	 SECTION 11.14.
	  	 Independence of Covenants
	  	 	128	  
	
	ARTICLE XII.	  
	
	SUBSIDIARY GUARANTEE OF NOTES	  
			
	 SECTION 12.1.
	  	 Unconditional Subsidiary Guarantee
	  	 	128	  
	 SECTION 12.2.
	  	 Limitations on Subsidiary Guarantees
	  	 	129	  
	 SECTION 12.3.
	  	 Execution and Delivery of Subsidiary Guarantee Notation
	  	 	130	  
	 SECTION 12.4.
	  	 Release of a Subsidiary Guarantor
	  	 	130	  
	 SECTION 12.5.
	  	 Waiver of Subrogation
	  	 	131	  
	 SECTION 12.6.
	  	 Immediate Payment
	  	 	132	  
	 SECTION 12.7.
	  	 No Set-Off
	  	 	132	  
	 SECTION 12.8.
	  	 Obligations Absolute
	  	 	132	  
	 SECTION 12.9.
	  	 Obligations Continuing
	  	 	132	  
	 SECTION 12.10.
	  	 Obligations Not Reduced
	  	 	132	  
	 SECTION 12.11.
	  	 Obligations Reinstated
	  	 	133	  
	 SECTION 12.12.
	  	 Obligations Not Affected
	  	 	133	  
	 SECTION 12.13.
	  	 Waiver
	  	 	134	  
	 SECTION 12.14.
	  	 No Obligation To Take Action Against the Issuer
	  	 	135	  
	 SECTION 12.15.
	  	 Dealing with the Issuer and Others
	  	 	135	  
	 SECTION 12.16.
	  	 Default and Enforcement
	  	 	135	  


  
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	 	  	 	  	Page	 
			
	 SECTION 12.17.
	  	 Amendment, Etc.
	  	 	136	  
	 SECTION 12.18.
	  	 Acknowledgment
	  	 	136	  
	 SECTION 12.19.
	  	 Costs and Expenses
	  	 	136	  
	 SECTION 12.20.
	  	 No Merger or Waiver; Cumulative Remedies
	  	 	136	  
	 SECTION 12.21.
	  	 Survival of Obligations
	  	 	136	  
	 SECTION 12.22.
	  	 Subsidiary Guarantee in Addition to Other Obligations
	  	 	137	  
	 SECTION 12.23.
	  	 Severability
	  	 	137	  
	 SECTION 12.24.
	  	 Successors and Assigns
	  	 	137	  

  

							
	 EXHIBITS
	  		  			
			
	 Exhibit A
	  	 Form of Note
	  			
	 Exhibit B
	  	 Form of Certificate of Transfer
	  			
	 Exhibit C
	  	 Form of Certificate of Exchange
	  			
	 Exhibit D
	  	 Form of IAI Certificate
	  			
	 Exhibit E
	  	 Form of Subsidiary Guarantee Notation
	  			


  
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 INDENTURE, dated as of February 9, 2011, among GMX Resources Inc., an Oklahoma
corporation (the “Issuer”), the Subsidiary Guarantors (as hereinafter defined) and The Bank of New York Mellon Trust Company, N.A., as Trustee (the “Trustee”). 

The Issuer has duly authorized the creation of an issue of 11.375% Senior Notes due 2019 (the “Notes”) and, to provide
therefor, the Issuer and the Subsidiary Guarantors have duly authorized the execution and delivery of this Indenture. All things necessary to make the Notes, when duly issued and executed by the Issuer, and authenticated and delivered under this
Indenture, the valid obligations of the Issuer, and to make this Indenture a valid and binding agreement of the Issuer, have been done. 
 Each party hereto agrees as follows for the benefit of the other party and for the equal and ratable benefit of the Holders of the Notes. 

ARTICLE I. 

DEFINITIONS AND INCORPORATION BY REFERENCE 
 SECTION 1.1. Definitions. 
 “Acquired Indebtedness”
means Indebtedness (i) of a Person or any of its Subsidiaries existing at the time such Person becomes or is merged with and into a Restricted Subsidiary or (ii) assumed in connection with the acquisition of assets from such Person, in
each case whether or not Incurred by such Person in connection with, or in anticipation or contemplation of, such Person becoming a Restricted Subsidiary or such acquisition. Acquired Indebtedness shall be deemed to have been Incurred, with respect
to clause (i) of the preceding sentence, on the date such Person becomes or is merged with and into a Restricted Subsidiary and, with respect to clause (ii) of the preceding sentence, on the date of consummation of such acquisition of
assets. 
 “Additional Assets” means: 

(1) any properties or assets (other than Indebtedness and Capital Stock) to be used by the Issuer or a Restricted
Subsidiary in the Oil and Gas Business; 
 (2) capital expenditures by the Issuer or a Restricted Subsidiary in
the Oil and Gas Business; 
 (3) the Capital Stock of a Person that becomes a Restricted Subsidiary as a result
of the acquisition of such Capital Stock by the Issuer or a Restricted Subsidiary; or 







 (4) Capital Stock constituting a minority interest in any Person that at
such time is a Restricted Subsidiary; 
 provided, however, that, in the case of clauses (3) and (4), such Restricted Subsidiary is
primarily engaged in the Oil and Gas Business. 
 “Additional Notes” means Notes, in addition to, and having
identical terms (except for a date of original issuance different than the Issue Date) as, the $200,000,000 aggregate principal amount of Notes issued on the Issue Date, issued pursuant to Article II and in compliance with Section 4.12.

 “Adjusted Consolidated Net Tangible Assets” of a Person means (without duplication), as of the date of
determination, the remainder of: 
 (a) the sum of: 

(i) discounted future net revenues from proved oil and gas reserves of such Person and its Restricted Subsidiaries
calculated in accordance with SEC guidelines before any state or federal income taxes, as estimated by the Issuer in a reserve report prepared as of the end of the Issuer’s most recently completed fiscal year for which audited financial
statements are available, as increased by, as of the date of determination, the estimated discounted future net revenues from 
 (A) estimated proved oil and gas reserves acquired since such year end, which reserves were not reflected in such year end reserve report, and 

(B) estimated oil and gas reserves attributable to extensions, discoveries and other additions and upward revisions of
estimates of proved oil and gas reserves (including previously estimated development costs Incurred during the period and the accretion of discount since the prior period end) since such year end due to exploration, development or exploitation,
production or other activities which would, in accordance with standard industry practice, cause such revisions, in each case calculated in accordance with SEC guidelines (utilizing the prices for the fiscal quarter ending prior to the date of
determination), 
 and decreased by, as of the date of determination, the estimated discounted future net revenues from

 (C) estimated proved oil and gas reserves produced or disposed of since such year end, and 

  
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 (D) estimated oil and gas reserves attributable to downward revisions of
estimates of proved oil and gas reserves since such year end due to changes in geological conditions or other factors which would, in accordance with standard industry practice, cause such revisions, in each case calculated on a pre-tax basis and
substantially in accordance with SEC guidelines (utilizing the prices for the fiscal quarter ending prior to the date of determination), 
 provided, however, that in the case of each of the determinations made pursuant to clauses (A) through (D), such increases and decreases shall be as estimated by the Issuer’s petroleum
engineers; 
 (ii) the capitalized costs that are attributable to Oil and Gas Properties of such Person and its
Restricted Subsidiaries to which no proved oil and gas reserves are attributable, based on such Person’s books and records as of a date no earlier than the date of such Person’s latest available annual or quarterly financial statements;

 (iii) the Net Working Capital of such Person on a date no earlier than the date of such Person’s latest
annual or quarterly financial statements; and 
 (iv) the greater of 

(A) the net book value of other tangible assets of such Person and its Restricted Subsidiaries, as of a date no earlier
than the date of such Person’s latest annual or quarterly financial statement, and 
 (B) the appraised
value, as estimated by independent appraisers, of other tangible assets of such Person and its Restricted Subsidiaries, as of a date no earlier than the date of such Person’s latest audited financial statements; 

minus 
 (b) the sum of: 
 (i) Minority Interests; 

(ii) any net gas balancing liabilities of such Person and its Restricted Subsidiaries reflected in such Person’s
latest audited balance sheet; 
 (iii) to the extent included in (a)(i) above, the discounted future net
revenues, calculated in accordance with SEC guidelines (utilizing the prices 

  
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utilized in such Person’s year end reserve report), attributable to reserves which are required to be delivered to third parties to fully satisfy the obligations of the Issuer and its
Restricted Subsidiaries with respect to Volumetric Production Payments (determined, if applicable, using the schedules specified with respect thereto); and 
 (iv) the discounted future net revenues, calculated in accordance with SEC guidelines, attributable to reserves subject to Dollar-Denominated Production Payments which, based on the estimates of
production and price assumptions included in determining the discounted future net revenues specified in (a)(i) above, would be necessary to fully satisfy the payment obligations of such Person and its Subsidiaries with respect to Dollar-Denominated
Production Payments (determined, if applicable, using the schedules specified with respect thereto). 
 If the Issuer changes
its method of accounting from the full cost method of accounting to the successful efforts or a similar method, “Adjusted Consolidated Net Tangible Assets” will continue to be calculated as if the Issuer were still using the full cost
method of accounting. 
 “Affiliate” of any specified Person means any other Person, directly or indirectly,
controlling or controlled by or under direct or indirect common control with such specified Person. For the purposes of this definition, “control” when used with respect to any Person means the power to direct the management and policies
of such Person, directly or indirectly, whether through the ownership of voting securities, by contract or otherwise; and the terms “controlling” and “controlled” have meanings correlative to the foregoing. 

“Affiliate Transaction” has the meaning provided in Section 4.11. 

“Agent” means any Registrar, Paying Agent or co-Registrar. 

“Applicable Premium” means, with respect to any Note on any applicable redemption date, the greater of: 

(1) 1.0% of the principal amount of such Note; and 

(2) the excess, if any, of: 
 (a) the sum of the present value at such redemption date of (i) the redemption price of such Note at February 15, 2015 (such redemption price being set forth in the table appearing in
Section 3.3) plus (ii) all required interest payments (excluding accrued and unpaid interest as of such redemption date) due on such Note through February 15, 2015, discounted back to the redemption


  
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date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months) at the Treasury Rate plus 50 basis points; over 

(b) the principal amount of such Note. 
 “Applicable Procedures” means, with respect to any transfer or exchange of or for beneficial interests in any Global Note, the rules and procedures of the Depository, Euroclear and/or
Clearstream that apply to such transfer or exchange. 
 “ASC” means the Financial Accounting Standards
Board’s Accounting Standards Codification. 
 “Asset Disposition” means any direct or indirect sale, lease
(other than an operating lease entered into in the ordinary course of the Oil and Gas Business), transfer, issuance or other disposition, or a series of related sales, leases, transfers, issuances or dispositions that are part of a common plan, of
(A) shares of Capital Stock of a Restricted Subsidiary (other than directors’ qualifying shares or shares required by applicable law to be held by a Person other than the Issuer or a Restricted Subsidiary), (B) all or substantially
all the assets of any division or line of business of the Issuer or any Restricted Subsidiary, or (C) any other assets of the Issuer or any Restricted Subsidiary outside of the ordinary course of business of the Issuer or such Restricted
Subsidiary (each referred to for the purposes of this definition as a “disposition”), in each case by the Issuer or any of its Restricted Subsidiaries, including any disposition by means of a merger, consolidation or similar transaction.

 Notwithstanding the preceding, the following items shall not be deemed to be Asset Dispositions: 

(1) a disposition by a Restricted Subsidiary to the Issuer or by the Issuer or a Restricted Subsidiary to a Wholly-Owned
Subsidiary; 
 (2) the sale of Cash Equivalents in the ordinary course of business; 

(3) a disposition of Hydrocarbons or mineral products inventory in the ordinary course of business; 

(4) a disposition of damaged, unserviceable, obsolete or worn out equipment or equipment that is no longer necessary for
the proper conduct of the business of the Issuer and its Restricted Subsidiaries and that is disposed of in each case in the ordinary course of business; 
 (5) transactions in accordance with Section 5.1; 

  
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 (6) an issuance of Capital Stock by a Restricted Subsidiary to the Issuer or
to a Wholly-Owned Subsidiary; 
 (7) for purposes of Section 4.16 only, the making of a Permitted
Investment or a Restricted Payment (or a disposition that would constitute a Restricted Payment but for the exclusions from the definition thereof) permitted in Section 4.10; 

(8) an Asset Swap; 
 (9) dispositions of assets in any single transaction or series of related transactions that involve assets with a fair market value of less than $2.5 million; 

(10) Permitted Liens; 
 (11) dispositions of receivables in connection with the compromise, settlement or collection thereof in the ordinary course of business or in bankruptcy or similar proceedings and exclusive of factoring
or similar arrangements; 
 (12) the licensing or sublicensing of intellectual property or other general
intangibles and licenses, leases or subleases of other property in the ordinary course of business which do not materially interfere with the business of the Issuer and its Restricted Subsidiaries; 

(13) foreclosure on assets; 
 (14) any Production Payments and Reserve Sales; provided that any such Production Payments and Reserve Sales, other than incentive compensation programs on terms that are reasonably customary in
the Oil and Gas Business for geologists, geophysicists and other providers of technical services to the Issuer or a Restricted Subsidiary, shall have been created, Incurred, issued, assumed or Guaranteed in connection with the financing of, and
within 60 days after the acquisition of, the property that is subject thereto; 
 (15) a disposition of oil and
natural gas properties in connection with tax credit transactions complying with Section 29 or any successor or analogous provisions of the Code; 
 (16) surrender or waiver of contract rights, oil and gas leases, or the settlement, release or surrender of contract, tort or other claims of any kind; 

(17) the abandonment, farmout, lease or sublease of developed or undeveloped Oil and Gas Properties in the ordinary course
of business; and 

  
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 (18) the sale or transfer (whether or not in the ordinary course of
business) of any Oil and Gas Property or interest therein to which no proved reserves are attributable at the time of such sale or transfer. 
 “Asset Disposition Offer” has the meaning set forth in Section 4.16. 
 “Asset Disposition Offer Amount” has the meaning set forth in Section 4.16. 
 “Asset Disposition Offer Period” has the meaning set forth in Section 4.16. 
 “Asset Disposition Purchase Date” has the meaning set forth in Section 4.16. 
 “Asset Swap” means any concurrent purchase and sale or exchange of any oil or natural gas property or interest therein between the Issuer or any of its Restricted Subsidiaries and another
Person (other than an Unrestricted Subsidiary); provided that any cash received must be applied in accordance with Section 4.16 as if the Asset Swap were an Asset Disposition. 

“ASU” means the Accounting Standards Update issued by the Financial Accounting Standards Board. 

“Authenticating Agent” has the meaning provided in Section 2.2. 

“Average Life” means, as of the date of determination, with respect to any Indebtedness or Preferred Stock, the quotient
obtained by dividing (1) the sum of the products of the numbers of years from the date of determination to the dates of each successive scheduled principal payment of such Indebtedness or redemption or similar payment with respect to such
Preferred Stock multiplied by the amount of such payment by (2) the sum of all such payments. 
 “Bankruptcy
Law” means Title 11, U.S. Code or any similar Federal, state or foreign law for the relief of debtors. 

“Beneficial Owner” has the meaning assigned to such term in Rule 13d-3 and Rule 13d-5 under the Exchange Act, except
that in calculating the beneficial ownership of any particular “person” (as that term is used in Section 13(d)(3) of the Exchange Act), such “person” will be deemed to have beneficial ownership of all securities that such
“person” has the right to acquire by conversion or exercise of other securities, whether such right is currently exercisable or is exercisable only after the passage of time. The terms “Beneficially Owns” and
“Beneficially Owned” have a corresponding meaning. 
 “Board of Directors” means, as to any
Person that is a corporation, the board of directors of such Person or any duly authorized committee thereof or as to any Person that is 

  
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not a corporation, the board of managers or such other individual or group serving a similar function. 
 “Board Resolution” means, with respect to any Person, a copy of a resolution certified by the Secretary or an Assistant Secretary of such Person to have been duly adopted by the Board of
Directors of such Person and to be in full force and effect on the date of such certification, and delivered to the Trustee. 

“Business Day” means each day that is not a Saturday, Sunday or other day on which commercial banking institutions in
New York, New York or Oklahoma City, Oklahoma are authorized or required by law to close. 
 “Capital Stock” of
any Person means any and all shares, interests, rights to purchase, warrants, options, participations or other equivalents of or interests in (however designated) equity of such Person, including any Preferred Stock, but excluding any debt
securities convertible into such equity. 
 “Capitalized Lease Obligations” means an obligation that is
required to be classified and accounted for as a capitalized lease for financial reporting purposes in accordance with GAAP, and the amount of Indebtedness represented by such obligation will be the capitalized amount of such obligation at the time
any determination thereof is to be made as determined in accordance with GAAP, and the Stated Maturity thereof will be the date of the last payment of rent or any other amount due under such lease prior to the first date such lease may be terminated
without penalty. 
 “Cash Equivalents” means: 

(1) securities issued or directly and fully guaranteed or insured by the United States Government or any agency or
instrumentality of the United States (provided that the full faith and credit of the United States is pledged in support thereof), having maturities of not more than one year from the date of acquisition; 

(2) marketable general obligations issued by any state of the United States of America or any political subdivision of any
such state or any public instrumentality thereof maturing within one year from the date of acquisition (provided that the full faith and credit of the United States is pledged in support thereof) and, at the time of acquisition, having a
credit rating of “A” (or the equivalent thereof) or better from either Standard & Poor’s Ratings Services or Moody’s Investors Service, Inc.; 

(3) certificates of deposit, time deposits, eurodollar time deposits, overnight bank deposits or bankers’ acceptances
having maturities of not more than one year from the date of acquisition thereof issued by any commercial bank the long-term debt of which is rated at the time of acquisition thereof at least “A” or the equivalent


  
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thereof by Standard & Poor’s Ratings Services, or “a2” or the equivalent thereof by Moody’s Investors Service, Inc., and having combined capital and surplus in excess
of $500.0 million; 
 (4) repurchase obligations with a term of not more than seven days for underlying
securities of the types described in clauses (1), (2) and (3) entered into with any bank meeting the qualifications specified in clause (3) above; 

(5) commercial paper rated at the time of acquisition thereof at least “A-2” or the equivalent thereof by
Standard & Poor’s Ratings Services or “P-2” or the equivalent thereof by Moody’s Investors Service, Inc., or carrying an equivalent rating by a nationally recognized rating agency, if both of the two named rating
agencies cease publishing ratings of investments, and in any case maturing within one year after the date of acquisition thereof; and 
 (6) interests in any investment company or money market fund that invests 95% or more of its assets in instruments of the type specified in clauses (1) through (5) above. 

“Change of Control” means: 
 (1) any “person” or “group” of related persons (as such terms are used in Sections 13(d) and 14(d) of the Exchange Act) is or becomes the Beneficial Owner, directly or indirectly, of
more than 50% of the total voting power of the Voting Stock of the Issuer (or its successor by merger, consolidation or purchase of all or substantially all of its assets); 

(2) the first day on which a majority of the members of the Board of Directors of the Issuer are not Continuing Directors;

 (3) the sale, lease, transfer, conveyance or other disposition (other than by way of merger or consolidation),
in one or a series of related transactions, of all or substantially all of the assets of the Issuer and its Restricted Subsidiaries taken as a whole to any “person” (as such term is used in Sections 13(d) and 14(d) of the Exchange
Act); or 
 (4) the adoption by the shareholders of the Issuer of a plan or proposal for the liquidation or
dissolution of the Issuer. 
 “Change of Control Offer” has the meaning provided in Section 4.15.

 “Change of Control Payment” has the meaning provided in Section 4.15. 

  
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 “Change of Control Payment Date” has the meaning provided in
Section 4.15. 
 “Clearstream” means Clearstream Banking, Société Anonyme.

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

“Commodity Agreements” means, in respect of any Person, any forward contract, commodity swap agreement, commodity option
agreement or other similar agreement or arrangement in respect of Hydrocarbons used, produced, processed or sold by such Person that is customary in the Oil and Gas Business and designed to protect such Person against fluctuation in Hydrocarbon
prices. 
 “Common Stock” means with respect to any Person, any and all shares, interests or other
participations in, and other equivalents (however designated and whether voting or nonvoting) of such Person’s common stock, whether or not outstanding on the Issue Date, and includes, without limitation, all series and classes of such common
stock. 
 “Consolidated Coverage Ratio” means as of any date of determination, the ratio of (x) the
aggregate amount of Consolidated EBITDA of such Person for the period of the most recent four consecutive fiscal quarters ending prior to the date of such determination for which financial statements are in existence to (y) Consolidated
Interest Expense for such four fiscal quarters, provided, however, that: 
 (1) if the Issuer or any
Restricted Subsidiary: 
 (a) has Incurred any Indebtedness since the beginning of such period that remains
outstanding on such date of determination or if the transaction giving rise to the need to calculate the Consolidated Coverage Ratio is an Incurrence of Indebtedness, Consolidated EBITDA and Consolidated Interest Expense for such period will be
calculated after giving effect on a pro forma basis to such Indebtedness and the use of proceeds thereof as if such Indebtedness had been Incurred on the first day of such period and such proceeds had been applied as of such date (except that in
making such computation, the amount of Indebtedness under any revolving credit facility outstanding on the date of such calculation will be deemed to be (i) the average daily balance of such Indebtedness during such four fiscal quarters or such
shorter period for which such facility was outstanding or (ii) if such facility was created after the end of such four fiscal quarters, the average daily balance of such Indebtedness during the period from the date of creation of such facility
to the date of such calculation, in each case, provided that such average daily balance shall take into account any repayment of Indebtedness under such facility as provided in clause (b)); or 

  
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 (b) has repaid, repurchased, defeased or otherwise discharged any
Indebtedness since the beginning of the period, including with the proceeds of such new Indebtedness, that is no longer outstanding on such date of determination or if the transaction giving rise to the need to calculate the Consolidated Coverage
Ratio involves a discharge of Indebtedness (in each case other than Indebtedness Incurred under any revolving credit facility unless such Indebtedness has been permanently repaid and the related commitment terminated), Consolidated EBITDA and
Consolidated Interest Expense for such period will be calculated after giving effect on a pro forma basis to such discharge of such Indebtedness as if such discharge had occurred on the first day of such period; 

(2) if, since the beginning of such period, the Issuer or any Restricted Subsidiary will have made any Asset Disposition
or if the transaction giving rise to the need to calculate the Consolidated Coverage Ratio is such an Asset Disposition, the Consolidated EBITDA for such period will be reduced by an amount equal to the Consolidated EBITDA (if positive) directly
attributable to the assets that are the subject of such Asset Disposition for such period or increased by an amount equal to the Consolidated EBITDA (if negative) directly attributable thereto for such period and Consolidated Interest Expense for
such period shall be reduced by an amount equal to the Consolidated Interest Expense directly attributable to any Indebtedness of the Issuer or any Restricted Subsidiary repaid, repurchased, defeased or otherwise discharged with respect to the
Issuer and its continuing Restricted Subsidiaries in connection with or with the proceeds from such Asset Disposition for such period (or, if the Capital Stock of any Restricted Subsidiary is sold, the Consolidated Interest Expense for such period
directly attributable to the Indebtedness of such Restricted Subsidiary to the extent the Issuer and its continuing Restricted Subsidiaries are no longer liable for such Indebtedness after such sale); 

(3) if since the beginning of such period the Issuer or any Restricted Subsidiary (by merger or otherwise) will have made
an Investment in any Restricted Subsidiary (or any Person that becomes a Restricted Subsidiary or is merged with or into the Issuer or a Restricted Subsidiary) or an acquisition (or will have received a contribution) of assets, including any
acquisition or contribution of assets occurring in connection with a transaction causing a calculation to be made hereunder, that constitutes all or substantially all of a company, division, operating unit, segment, business, group of related assets
or line of business, Consolidated EBITDA and Consolidated Interest Expense for such period will be calculated after giving pro forma effect thereto (including the Incurrence of any Indebtedness) as if such Investment or acquisition or contribution
had occurred on the first day of such period; and 
 (4) if since the beginning of such period any Person (that
subsequently became a Restricted Subsidiary or was merged with or into the Issuer or any Restricted 

  
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Subsidiary since the beginning of such period) made any Asset Disposition or any Investment or acquisition of assets that would have required an adjustment pursuant to clause (2) or
(3) above if made by the Issuer or a Restricted Subsidiary during such period, Consolidated EBITDA and Consolidated Interest Expense for such period will be calculated after giving pro forma effect thereto as if such Asset Disposition or
Investment or acquisition of assets had occurred on the first day of such period. 
 For purposes of this definition, whenever
pro forma effect is to be given to any calculation under this definition, the pro forma calculations will be determined in good faith by a responsible financial or accounting officer of the Issuer (including pro forma expense and cost reductions
calculated on a basis consistent with Regulation S-X under the Securities Act). If any Indebtedness bears a floating rate of interest and is being given pro forma effect, the interest expense on such Indebtedness will be calculated as if the average
rate in effect from the beginning of such period to the date of determination had been the applicable rate for the entire period (taking into account any Interest Rate Agreement applicable to such Indebtedness, but if the remaining term of such
Interest Rate Agreement is less than 12 months, then such Interest Rate Agreement shall only be taken into account for that portion of the period equal to the remaining term thereof). If any Indebtedness that is being given pro forma effect bears an
interest rate at the option of the Issuer, the interest rate shall be calculated by applying such optional rate chosen by the Issuer. Interest on Indebtedness that may optionally be determined at an interest rate based upon a factor of a prime or
similar rate, a eurocurrency interbank offered rate, or other rate, shall be deemed to have been based upon the rate actually chosen, or, if none, then based upon such optional rate chosen as the Issuer may designate. 

“Consolidated EBITDA” for any period means, without duplication, the Consolidated Net Income for such period, plus the
following, without duplication and to the extent deducted (and not added back) in calculating such Consolidated Net Income: 
 (1) Consolidated Interest Expense; 
 (2) Consolidated Income Taxes
of the Issuer and its Restricted Subsidiaries; 
 (3) consolidated depletion and depreciation expense of the
Issuer and its Restricted Subsidiaries; 
 (4) consolidated amortization expense or impairment charges of the
Issuer and its Restricted Subsidiaries recorded in connection with the application of Statement of Financial Accounting Standard No. 142, ASC Topic 350 “Intangibles — Goodwill and Other Intangibles” and Statement of Financial
Accounting Standard No. 144, ASC Topic 360 “Property, Plant and Equipment;” 

  
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 (5) other non-cash charges of the Issuer and its Restricted Subsidiaries
(excluding any such non-cash charge to the extent it represents an accrual of or reserve for cash charges in any future period or amortization of a prepaid cash expense that was paid in a prior period not included in the calculation); and

 (6) consolidated exploration expense of the Issuer and its Restricted Subsidiaries, 

if applicable for such period; and less, to the extent included in calculating such Consolidated Net Income and in excess of any costs or expenses
attributable thereto that were deducted (and not added back) in calculating such Consolidated Net Income, the sum of (x) the amount of deferred revenues that are amortized during such period and are attributable to reserves that are subject to
Volumetric Production Payments, (y) amounts recorded in accordance with GAAP as repayments of principal and interest pursuant to Dollar-Denominated Production Payments and (z) other non-cash gains (excluding any non-cash gain to the extent
it represents the reversal of an accrual or reserve for a potential cash item that reduced Consolidated EBITDA in any prior period). 
 Notwithstanding the preceding sentence, clauses (2) through (6) relating to amounts of a Restricted Subsidiary of a Person will be added to Consolidated Net Income to compute Consolidated EBITDA
of such Person only to the extent (and in the same proportion) that the net income (loss) of such Restricted Subsidiary was included in calculating the Consolidated Net Income of such Person and, to the extent the amounts set forth in clauses
(2) through (6) are in excess of those necessary to offset a net loss of such Restricted Subsidiary or if such Restricted Subsidiary has net income for such period included in Consolidated Net Income, only if a corresponding amount would
be permitted at the date of determination to be dividended to the Issuer by such Restricted Subsidiary without prior approval (that has not been obtained), pursuant to the terms of its charter and all agreements, instruments, judgments, decrees,
orders, statutes, rules and governmental regulations applicable to that Restricted Subsidiary or its shareholders. 

“Consolidated Income Taxes” means, with respect to any Person for any period, taxes imposed upon such Person or other
payments required to be made by such Person by any governmental authority, which taxes or other payments are calculated by reference to the income, profits or capital of such Person or such Person and its Restricted Subsidiaries (to the extent such
income or profits were included in computing Consolidated Net Income for such period), regardless of whether such taxes or payments are required to be remitted to any governmental authority. 

“Consolidated Interest Expense” means, for any period, the total consolidated interest expense of the Issuer and its
Restricted Subsidiaries, whether paid or accrued, plus, to the extent not included in such interest expense and without duplication: 

  
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 (1) interest expense attributable to Capitalized Lease Obligations and the
interest component of any deferred payment obligations; 
 (2) amortization of debt discount and capitalized
financing or debt issuance costs, including fees associated with any amendments or waivers relating thereto (provided that any amortization of bond premium will be credited to reduce Consolidated Interest Expense unless, pursuant to GAAP,
such amortization of bond premium has otherwise reduced Consolidated Interest Expense), but excluding amortization of issuance costs associated with the Issuer’s adoption of ASU 2009-15 “Accounting for Own-Share Lending Arrangements in
Contemplation of Convertible Debt Issuance or Other Financing,” now codified under FASB ASC Topic 470 “Debt;” 
 (3) non-cash interest expense, other than non-cash interest expense recorded in the Issuer’s consolidated financial statements as required by ASC 470-20 and/or ASU 2009-15, as they respectively
relate to the Existing Senior Notes and any future Indebtedness of the Issuer or any Restricted Subsidiary that is convertible into Capital Stock (other than Disqualified Stock) of the Issuer or such Restricted Subsidiary; 

(4) commissions, discounts and other fees and charges owed with respect to letters of credit and bankers’ acceptance
financing; 
 (5) the interest expense on Indebtedness of another Person that is Guaranteed by the Issuer or one
of its Restricted Subsidiaries or secured by a Lien on assets of the Issuer or one of its Restricted Subsidiaries; 
 (6) costs associated with Interest Rate Agreements (including amortization of fees); provided, however, that if Interest Rate Agreements result in net benefits rather than costs, such
benefits shall be credited to reduce Consolidated Interest Expense unless, pursuant to GAAP, such net benefits are otherwise reflected in Consolidated Net Income; 

(7) the consolidated interest expense of such Person and its Restricted Subsidiaries that was capitalized during such
period; 
 (8) all dividends paid or payable in cash, Cash Equivalents or Indebtedness or accrued during such
period on any series of Disqualified Stock of the Issuer or any of its Restricted Subsidiaries or on Preferred Stock of the Issuer or any of its Restricted Subsidiaries payable to a party other than the Issuer or a Wholly-Owned Subsidiary; and

 (9) the cash contributions to any employee stock ownership plan or similar trust to the extent such
contributions are used by such plan or trust to pay interest or 

  
 -14-









 
fees to any Person (other than the Issuer) in connection with Indebtedness Incurred by such plan or trust; 
 minus, to the extent included above, write-off of deferred financing costs (and interest) attributable to Dollar-Denominated Production Payments. 

For the purpose of calculating the Consolidated Coverage Ratio in connection with the Incurrence of any Indebtedness described in the
final paragraph of the definition of “Indebtedness,” the calculation of Consolidated Interest Expense shall include all interest expense (including any amounts described in clauses (1) through (9) above) relating to any
Indebtedness of the Issuer or any Restricted Subsidiary described in the final paragraph of the definition of “Indebtedness.” 
 “Consolidated Net Income” means, for any period, the aggregate net income (loss) of the Issuer and its consolidated Subsidiaries (excluding net income (loss) from non-controlling
interests) determined in accordance with GAAP and before any reduction in respect of preferred stock dividends of such Person; provided, however, that there will not be included in such Consolidated Net Income: 

(1) any net income (loss) of any Person (other than the Issuer) if such Person is not a Restricted Subsidiary, except
that: 
 (a) subject to the limitations contained in clauses (3), (4) and (5) below, the Issuer’s
equity in the net income of any such Person for such period will be included in such Consolidated Net Income up to the aggregate amount of cash actually distributed by such Person during such period to the Issuer or a Restricted Subsidiary as a
dividend or other distribution (subject, in the case of a dividend or other distribution to a Restricted Subsidiary, to the limitations contained in clause (2) below); provided that any cash actually distributed by Endeavor Gathering,
LLC during such period to the Issuer or a Restricted Subsidiary as a dividend or other distribution (subject, in the case of a dividend or other distribution to a Restricted Subsidiary, to the limitations contained in clause (2) below) shall be
net of any Investments made during such period by the Issuer or any Restricted Subsidiary into Endeavor Gathering, LLC, pursuant to clause (19) under the definition of “Permitted Investments”; and 

(b) the Issuer’s equity in a net loss of any such Person for such period will be included in determining such
Consolidated Net Income to the extent such loss has been funded with cash from the Issuer or a Restricted Subsidiary during such period; 
 (2) any net income (but not loss) of any Restricted Subsidiary if such Subsidiary is subject to restrictions, directly or indirectly, on the payment of dividends or


  
 -15-









 
the making of distributions by such Restricted Subsidiary, directly or indirectly, to the Issuer, except that: 

(a) subject to the limitations contained in clauses (3), (4) and (5) below, the Issuer’s equity in the net
income of any such Restricted Subsidiary for such period will be included in such Consolidated Net Income up to the aggregate amount of cash that could have been distributed by such Restricted Subsidiary during such period to the Issuer or another
Restricted Subsidiary as a dividend or other distribution (subject, in the case of a dividend or other distribution paid to another Restricted Subsidiary, to the limitation contained in this clause); and 

(b) the Issuer’s equity in a net loss of any such Restricted Subsidiary for such period will be included in
determining such Consolidated Net Income; 
 (3) any gain (loss) realized upon the sale or other disposition of
any property, plant or equipment of the Issuer or its consolidated Subsidiaries (including pursuant to any Sale/Leaseback Transaction) that is not sold or otherwise disposed of in the ordinary course of business and any gain (loss) realized upon the
sale or other disposition of any Capital Stock of any Person; 
 (4) any extraordinary or nonrecurring gains or
losses, together with any related provision for taxes on such gains or losses and all related fees and expenses; 

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

(6) any asset impairment writedowns on Oil and Gas Properties under GAAP or SEC guidelines; 

(7) any unrealized non-cash gains or losses or charges in respect of Hedging Obligations (including those resulting from
the application of SFAS 133—ASC Topic 815 “Derivatives and Hedging”); 
 (8) income or loss
attributable to discontinued operations (including, without limitation, operations disposed of during such period whether or not such operations were classified as discontinued); 

(9) any non-cash compensation charge arising from any grant of stock, stock options or other equity based awards,
provided that the proceeds resulting from any such grant will be excluded from Section 4.10(c)(ii); and 
 (10) any income or loss attributed to any non-cash deferred income taxes. 

  
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 “Continuing Directors” means, as of any date of determination, any member
of the Board of Directors of the Issuer who: (1) was a member of such Board of Directors on the date of this Indenture; or (2) was nominated for election or elected to such Board of Directors with the approval of a majority of the
Continuing Directors who were members of such Board of Directors at the time of such nomination or election. 

“Corporate Trust Office” means the office of the Trustee at which at any particular time its corporate trust business
shall be principally administered, which office at the date of execution of this Indenture is located at 10161 Centurion Parkway, Jacksonville, Florida 32256, Attention: Corporate Trust Administration, or at any other time at such other address as
the Trustee may designate from time to time by notice to the Holders and the Issuer. 
 “Covenant Defeasance”
has the meaning set forth in Section 8.1. 
 “5.00% Convertible Senior Notes” means the
Issuer’s 5.00% convertible senior notes due 2013. 
 “Credit Facility” means, with respect to the Issuer
or any Subsidiary Guarantor, one or more debt facilities (including, without limitation, the Senior Secured Credit Agreement), indentures or commercial paper facilities providing for revolving credit loans, term loans, receivables financing
(including through the sale of receivables to such lenders or to special purpose entities formed to borrow from such lenders against such receivables) or letters of credit, in each case together with the related documents thereto (including any
guarantees and collateral documents, instruments and agreements executed in connection therewith, whether in effect on the Issue Date or entered into thereafter) in each case, as amended, restated, modified, renewed, refunded, replaced or refinanced
in whole or in part from time to time (and whether or not with the original administrative agent and lenders or another administrative agent or agents or other lenders and whether provided under the original Senior Secured Credit Agreement or any
other credit or other agreement or indenture). 
 “Currency Agreement” means in respect of a Person any foreign
exchange contract, currency swap agreement, futures contract, option contract or other similar agreement as to which such Person is a party or a beneficiary. 
 “Custodian” means any receiver, trustee, assignee, liquidator, sequestrator or similar official under any Bankruptcy Law. 

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

“Default Interest Payment Date” has the meaning provided in Section 2.12. 

  
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 “Definitive Note” means a certificated Note registered in the name of the
Holder thereof and issued in accordance with Section 2.6(c) hereof, substantially in the form of Exhibit A hereto, except that such Note shall not bear the Global Note Legend. 

“Depository” or “DTC” means The Depository Trust Company, its nominees and successors. 

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

(1) matures or is mandatorily redeemable (other than redeemable only for Capital Stock of such Person that is not itself
Disqualified Stock) pursuant to a sinking fund obligation or otherwise; 
 (2) is convertible or exchangeable for
Indebtedness or Disqualified Stock (excluding Capital Stock that is convertible or exchangeable solely at the option of the Issuer or a Restricted Subsidiary); or 

(3) is redeemable at the option of the holder of the Capital Stock in whole or in part, 

in each case on or prior to the date that is 91 days after the earlier of the date (a) of the Stated Maturity of the Notes or (b) on which
there are no Notes outstanding; provided that only the portion of Capital Stock that so matures or is mandatorily redeemable, is so convertible or exchangeable or is so redeemable at the option of the holder thereof prior to such date will be
deemed to be Disqualified Stock; provided, further, that any Capital Stock that would constitute Disqualified Stock solely because the holders thereof have the right to require the Issuer to repurchase such Capital Stock upon the occurrence
of a change of control or asset sale (each defined in a substantially identical manner to the corresponding definitions in this Indenture) shall not constitute Disqualified Stock if the terms of such Capital Stock (and all such securities into which
it is convertible or for which it is ratable or exchangeable) provide that (i) the Issuer may not repurchase or redeem any such Capital Stock (and all such securities into which it is convertible or for which it is ratable or exchangeable)
pursuant to such provision prior to compliance by the Issuer with the provisions of this Indenture described under Section 4.15 and Section 4.16 and (ii) such repurchase or redemption will be permitted solely to the
extent also permitted in accordance with the provisions of this Indenture described under Section 4.10. 
 The
amount of any Disqualified Stock that does not have a fixed redemption, repayment or repurchase price will be calculated in accordance with the terms of such Disqualified Stock as if such Disqualified Stock were redeemed, repaid or repurchased on
any 

  
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date on which the amount of such Disqualified Stock is to be determined pursuant to this Indenture; provided, however, that if such Disqualified Stock could not be required to be
redeemed, repaid or repurchased at the time of such determination, the redemption, repayment or repurchase price will be the book value of such Disqualified Stock as reflected in the most recent financial statements of such Person. 

“Dollar-Denominated Production Payments” means production payment obligations recorded as liabilities in accordance with
GAAP, together with all undertakings and obligations in connection therewith. 
 “Equity Offering” means
(i) a public offering for cash by the Issuer of Capital Stock (other than Disqualified Stock) made pursuant to a registration statement, other than public offerings registered on Form S-4 or S-8, and (ii) a private offering for cash by the
Issuer of its Capital Stock (other than Disqualified Stock). 
 “Euroclear” means Euroclear S.A./N.V., as
operator of the Euroclear system. 
 “Event of Default” has the meaning provided in Section 6.1.

 “Excess Proceeds” has the meaning set forth in Section 4.16. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended, and the rules and regulations of the SEC
promulgated thereunder. 
 “Exchange Notes” means the Notes issued in the Registered Exchange Offer pursuant to
Section 2.6(f) hereof. 
 “Exchange Offer Registration Statement” has the meaning set forth in the
Registration Rights Agreement. 
 “Existing Senior Notes” means the Issuer’s 5.00% Convertible Senior
Notes and 4.50% Convertible Senior Notes due 2015. 
 “Existing Senior Notes Indentures” means, collectively,
the indentures governing the Existing Senior Notes, among the Issuer, certain of its subsidiaries party thereto and the trustees named therein from time to time, as amended, restated, supplemented or otherwise modified from time to time in
accordance with the requirements thereof and of this Indenture. 
 “Foreign Subsidiary” means any Restricted
Subsidiary that is not organized under the laws of the United States of America or any state thereof or the District of Columbia. 

  
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 “GAAP” means generally accepted accounting principles in the United States
of America as in effect from time to time. All ratios and computations based on GAAP contained in this Indenture will be computed in conformity with GAAP. 
 “Global Note” has the meaning provided in Section 2.1. 
 “Global Note Legend” means the legend set forth in Section 2.15(a)(ii) hereof, which is required to be placed on all Global Notes issued under this Indenture. 

“Guarantee” means any obligation, contingent or otherwise, of any Person directly or indirectly guaranteeing any
Indebtedness of any other Person and any obligation, direct or indirect, contingent or otherwise, of such Person: 
 (1) to purchase or pay (or advance or supply funds for the purchase or payment of) such Indebtedness of such other Person (whether arising by virtue of partnership arrangements, or by agreement to
keep-well, to purchase assets, goods, securities or services, to take-or-pay, or to maintain financial statement conditions or otherwise); or 
 (2) entered into for purposes of assuring in any other manner the obligee of such Indebtedness of the payment thereof or to protect such obligee against loss in respect thereof (in whole or in part);

 provided, however, that the term “Guarantee” will not include endorsements for collection or deposit in the ordinary course
of business or any obligation to the extent it is payable only in Capital Stock of the Subsidiary Guarantor that is not Disqualified Stock. The term “Guarantee” used as a verb has a corresponding meaning. 

“Guarantor Subordinated Obligation” means, with respect to a Subsidiary Guarantor, any Indebtedness of such Subsidiary
Guarantor (whether outstanding on the Issue Date or thereafter Incurred) that is expressly subordinate in right of payment to the obligations of such Subsidiary Guarantor under its Subsidiary Guarantee pursuant to a written agreement. 

“Hedging Obligations” of any Person means the obligations of such Person pursuant to any Interest Rate Agreement,
Currency Agreement or Commodity Agreement. 
 “Holder” means a Person in whose name a Note is registered on the
registrar’s books. 
 “Hydrocarbons” means oil, natural gas, casing head gas, drip gasoline, natural
gasoline, condensate, distillate, liquid hydrocarbons, gaseous hydrocarbons and all constituents, elements or compounds thereof and products refined or processed therefrom. 

  
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 “IAI Global Note” means a Global Note substantially in the form of
Exhibit A hereto bearing the Global Note Legend and the Private Placement Legend and deposited with or on behalf of and registered in the name of the Depository or its nominee that will be issued in a denomination equal to the outstanding
principal amount of the Notes sold to Institutional Accredited Investors. 
 “Immaterial Subsidiary” means, as
of any date, any Restricted Subsidiary whose total assets, as of that date, are less than $1.0 million and whose total revenues for the most recent 12-month period do not exceed $1.0 million; provided that a Restricted Subsidiary will not be
considered to be an Immaterial Subsidiary if it, directly or indirectly, Guarantees or otherwise provides direct credit support for any Indebtedness of the Issuer. 
 “Incur” means issue, create, assume, Guarantee, incur or otherwise become directly or indirectly liable for, contingently or otherwise; provided, however, that any Indebtedness or
Capital Stock of a Person existing at the time such Person becomes a Restricted Subsidiary (whether by merger, consolidation, acquisition or otherwise) will be deemed to be Incurred by such Restricted Subsidiary at the time it becomes a Restricted
Subsidiary; and the terms “Incurred” and “Incurrence” have meanings correlative to the foregoing. 
 “Indebtedness” means, with respect to any Person on any date of determination (without duplication, whether or not contingent): 

(1) the principal of and premium (if any) in respect of indebtedness of such Person for borrowed money; 

(2) the principal of and premium (if any) in respect of obligations of such Person evidenced by bonds, debentures, notes
or other similar instruments; 
 (3) the principal component of all obligations of such Person in respect of
letters of credit, bankers’ acceptances or other similar instruments (including reimbursement obligations with respect thereto except to the extent such reimbursement obligation relates to a trade payable, to the extent such letters of credit
are not drawn upon or, if and to the extent drawn upon, such obligation is satisfied within 30 days of payment on the letter of credit); 
 (4) the principal component of all obligations of such Person (other than obligations payable solely in Capital Stock that is not Disqualified Stock) to pay the deferred and unpaid purchase price of
property (except accrued expenses and trade payables and other accrued liabilities arising in the ordinary course of business that are not overdue by 90 days or more or are being contested in good faith by appropriate proceedings promptly instituted
and diligently conducted), which purchase price is due more than six months after the date of placing such property in service or taking delivery 

  
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and title thereto to the extent such obligations would appear as liabilities upon the consolidated balance sheet of such Person in accordance with GAAP; 

(5) Capitalized Lease Obligations of such Person to the extent such Capitalized Lease Obligations would appear as
liabilities on the consolidated balance sheet of such Person in accordance with GAAP; 
 (6) the principal
component or liquidation preference of all obligations of such Person with respect to the redemption, repayment or other repurchase of any Disqualified Stock or, with respect to any Subsidiary that is not a Subsidiary Guarantor, any Preferred Stock
(but excluding, in each case, any accrued dividends); 
 (7) the principal component of all Indebtedness of other
Persons secured by a Lien on any asset of such Person, whether or not such Indebtedness is assumed by such Person; provided, however, that the amount of such Indebtedness will be the lesser of (a) the fair market value of such
asset at such date of determination (as determined in the good faith by the Board of Directors) and (b) the amount of such Indebtedness of such other Persons; 

(8) the principal component of Indebtedness of other Persons to the extent Guaranteed by such Person; and 

(9) to the extent not otherwise included in this definition, net obligations of such Person under Commodity Agreements,
Currency Agreements and Interest Rate Agreements (the amount of any such obligations to be equal at any time to the termination value of such agreement or arrangement giving rise to such obligation that would be payable by such Person at such time);

 provided, however, that any indebtedness that has been defeased in accordance with GAAP or defeased pursuant to the deposit of cash or
Cash Equivalents (in an amount sufficient to satisfy all such indebtedness obligations at maturity or redemption, as applicable, and all payments of interest and premium, if any) in a trust or account created or pledged for the sole benefit of the
holders of such indebtedness, and subject to no other Liens, shall not constitute “Indebtedness.” 
 The amount of
Indebtedness of any Person at any date will be the outstanding balance at such date of all unconditional obligations as described above and the maximum liability, upon the occurrence of the contingency giving rise to the obligation, of any
contingent obligations at such date. 
 Notwithstanding the preceding, “Indebtedness” shall not include: 

(1) Production Payments and Reserve Sales; 

  
 -22-









 (2) any obligation of a Person in respect of a farm-in agreement or similar
arrangement whereby such Person agrees to pay all or a share of the drilling, completion or other expenses of an exploratory or development well (which agreement may be subject to a maximum payment obligation, after which expenses are shared in
accordance with the working or participation interest therein or in accordance with the agreement of the parties) or perform the drilling, completion or other operation on such well in exchange for an ownership interest in an Oil and Gas Property;

 (3) any obligations under Currency Agreements, Commodity Agreements and Interest Rate Agreements;
provided, that such Agreements are entered into for bona fide hedging purposes of the Issuer or its Restricted Subsidiaries (as determined in good faith by the Board of Directors or senior management of the Issuer, whether or not accounted
for as a hedge in accordance with GAAP) and, in the case of Currency Agreements or Commodity Agreements, such Currency Agreements or Commodity Agreements are related to business transactions of the Issuer or its Restricted Subsidiaries entered into
in the ordinary course of business and, in the case of Interest Rate Agreements, such Interest Rate Agreements substantially correspond in terms of notional amount, duration and interest rates, as applicable, to Indebtedness of the Issuer or its
Restricted Subsidiaries Incurred without violation of this Indenture; 
 (4) any obligation arising from
agreements of the Issuer or a Restricted Subsidiary providing for indemnification, Subsidiary Guarantees, adjustment of purchase price, holdbacks, contingency payment obligations or similar obligations (other than Subsidiary Guarantees of
Indebtedness), in each case, Incurred or assumed in connection with the acquisition or disposition of any business, assets or Capital Stock of a Restricted Subsidiary, provided that such Indebtedness is not reflected on the face of the
balance sheet of the Issuer or any Restricted Subsidiary; 
 (5) any obligation arising from the honoring by a
bank or other financial institution of a check, draft or similar instrument (except in the case of daylight overdrafts) drawn against insufficient funds in the ordinary course of business, provided, however, that such Indebtedness is
extinguished within five business days of Incurrence; 
 (6) in-kind obligations relating to net oil or natural
gas balancing positions arising in the ordinary course of business; and 
 (7) all contracts and other
obligations, agreements, instruments or arrangements described in clauses (20), (21), (22), (28)(a) or (29) of the definition of “Permitted Liens.” 

  
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 In addition, “Indebtedness” of any Person shall include Indebtedness described in
the first paragraph of this definition of “Indebtedness” that would not appear as a liability on the balance sheet of such Person if: 
 (1) such Indebtedness is the obligation of a partnership or joint venture that is not a Restricted Subsidiary (a “Joint Venture”); 

(2) such Person or a Restricted Subsidiary of such Person is a general partner of the Joint Venture or otherwise liable
for all or a portion of the Joint Venture’s liabilities (a “General Partner”); and 
 (3)
there is recourse, by contract or operation of law, with respect to the payment of such Indebtedness to property or assets of such Person or a Restricted Subsidiary of such Person; and then such Indebtedness shall be included in an amount not to
exceed: 
 (a) the lesser of (i) the net assets of the General Partner and (ii) the amount of such
obligations to the extent that there is recourse, by contract or operation of law, to the property or assets of such Person or a Restricted Subsidiary of such Person; or 

(b) if less than the amount determined pursuant to clause (a) immediately above, the actual amount of such
Indebtedness that is recourse to such Person or a Restricted Subsidiary of such Person, if the Indebtedness is evidenced by a writing and is for a determinable amount. 
 “Indenture” means this Indenture, as amended or supplemented from time to time in accordance with the terms hereof. 

“Indirect Participant” means a Person who holds a beneficial interest in a Global Note through a Participant.

 “Initial Lien” has the meaning provided in Section 4.17. 

“Initial Purchasers” means Credit Suisse Securities (USA) LLC, Morgan Stanley & Co. Incorporated, Capital One
Southcoast, Inc., BNP Paribas Securities Corp. and Tudor, Pickering, Holt & Co. Securities, Inc. 

“Institutional Accredited Investor” means an institution that is an “accredited investor” as that term is
defined in Rule 501(a)(1), (2), (3) or (7) under the Securities Act. 
 “interest” when used with
respect to any Note means the amount of all interest accruing on such Note, including any applicable defaulted interest pursuant to Section 2.12. 

  
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 “Interest Payment Date” means the stated maturity of an installment of
interest on the Notes. 
 “Interest Rate Agreement” means with respect to any Person any interest rate
protection agreement, interest rate future agreement, interest rate option agreement, interest rate swap agreement, interest rate cap agreement, interest rate collar agreement, interest rate hedge agreement or other similar agreement or arrangement
as to which such Person is party or a beneficiary. 
 “Investment” means, with respect to any Person, all
investments by such Person in other Persons (including Affiliates) in the form of any direct or indirect advance, loan or other extensions of credit (including by way of Guarantee or similar arrangement, but excluding any debt or extension of credit
represented by a bank deposit other than a time deposit and advances or extensions of credit to customers in the ordinary course of business) or capital contribution to (by means of any transfer of cash or other property to others or any payment for
property or services for the account or use of others), or any purchase or acquisition of Capital Stock, Indebtedness or other similar instruments (excluding any interest in a crude oil or natural gas leasehold to the extent constituting a security
under applicable law) issued by, such other Person and all other items that are or would be classified as investments on a balance sheet prepared in accordance with GAAP; provided that none of the following will be deemed to be an Investment:

 (1) Hedging Obligations entered into in the ordinary course of business and in compliance with this Indenture;

 (2) endorsements of negotiable instruments and documents in the ordinary course of business; and 

(3) an acquisition of assets, Capital Stock or other securities by the Issuer or a Subsidiary for consideration to the
extent such consideration consists of Common Stock of the Issuer. 
 The amount of any Investment shall not be adjusted for
increases or decreases in value, write-ups, write-downs or write-offs with respect to such Investment. 
 For purposes of the
definition of “Unrestricted Subsidiary” and Section 4.10, 
 (1) “Investment”
will include the portion (proportionate to the Issuer’s equity interest in a Restricted Subsidiary to be designated as an Unrestricted Subsidiary) of the fair market value of the net assets of such Restricted Subsidiary at the time that such
Restricted Subsidiary is designated an Unrestricted Subsidiary; provided, however, that upon a redesignation of such Subsidiary as a Restricted Subsidiary, the Issuer will be deemed to continue to have a permanent
“Investment” in an Unrestricted 

  
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Subsidiary in an amount (if positive) equal to (a) the Issuer’s “Investment” in such Subsidiary at the time of such redesignation less (b) the portion (proportionate to
the Issuer’s equity interest in such Subsidiary) of the fair market value of the net assets of such Subsidiary (as conclusively determined by the Board of Directors of the Issuer in good faith) at the time that such Subsidiary is so
redesignated a Restricted Subsidiary; and 
 (2) any property transferred to or from an Unrestricted Subsidiary
will be valued at its fair market value at the time of such transfer, in each case as determined in good faith by the Board of Directors of the Issuer. 
 “Issue Date” means the first date on which the Notes are issued under this Indenture. 
 “Issuer” has the meaning assigned to such term in the introductory paragraph of this Indenture. 
 “Legal Defeasance” has the meaning set forth in Section 8.1. 
 “Legal Holiday” has the meaning provided in Section 11.7. 
 “Letter of Transmittal” means the letter of transmittal prepared by the Issuer and sent to all Holders of the Notes for use by such Holders in connection with the Registered Exchange
Offer. 
 “Lien” means, with respect to any asset, any mortgage, lien (statutory or otherwise), pledge,
hypothecation, charge, security interest, preference, priority or encumbrance of any kind in respect of such asset, whether or not filed, recorded or otherwise perfected under applicable law, including any conditional sale or other title retention
agreement, any lease in the nature thereof, any option or other agreement to sell or give a security interest in and any filing of or agreement to give any financing statement under the Uniform Commercial Code (or equivalent statutes) of any
jurisdiction; provided that in no event shall an operating lease be deemed to constitute a Lien. 
 “Liquidated
Damages” means all liquidated damages then owing pursuant to the Registration Rights Agreement. 
 “Maturity
Date” means February 15, 2019. 
 “Minority Interest” means the percentage interest represented
by any shares of any class of Capital Stock of a Restricted Subsidiary that are not owned by the Issuer or a Restricted Subsidiary. 

  
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 “Moody’s” means Moody’s Investors Service, Inc. and its
successors. 
 “Net Available Cash” from an Asset Disposition means cash payments received (including any cash
payments received by way of deferred payment of principal pursuant to a note or installment receivable or otherwise and net proceeds from the sale or other disposition of any securities received as consideration, but only as and when received, but
excluding any other consideration received in the form of assumption by the acquiring Person of Indebtedness or other obligations relating to the properties or assets that are the subject of such Asset Disposition or received in any other non-cash
form) therefrom, in each case net of: 
 (1) all legal, accounting, investment banking, title and recording tax
expenses, commissions and other fees and expenses Incurred, and all federal, state, provincial, foreign and local taxes required to be paid or accrued as a liability under GAAP (after taking into account any available tax credits or deductions and
any tax sharing agreements), as a consequence of such Asset Disposition; 
 (2) all payments made on any
Indebtedness which is secured by any assets subject to such Asset Disposition, in accordance with the terms of any Lien upon such assets, or which must by its terms, or in order to obtain a necessary consent to such Asset Disposition, or by
applicable law be repaid out of the proceeds from such Asset Disposition; 
 (3) all distributions and other
payments required to be made to minority interest holders in Subsidiaries or joint ventures or to holders of royalty or similar interests as a result of such Asset Disposition; and 

(4) the deduction of appropriate amounts to be provided by the seller as a reserve, in accordance with GAAP, against any
liabilities associated with the assets disposed of in such Asset Disposition and retained by the Issuer or any Restricted Subsidiary after such Asset Disposition. 
 “Net Cash Proceeds,” with respect to any issuance or sale of Capital Stock or any contribution to equity capital, means the cash proceeds of such issuance, sale or contribution net of
attorneys’ fees, accountants’ fees, underwriters’ or placement agents’ fees, listing fees, discounts or commissions and brokerage, consultant and other fees and charges actually Incurred in connection with such issuance, sale or
contribution and net of taxes paid or payable as a result of such issuance or sale (after taking into account any available tax credit or deductions and any tax sharing arrangements). 

“Net Working Capital” means (a) all current assets of the Issuer and its Restricted Subsidiaries except current
assets from commodity price risk management activities arising in the ordinary course of the Oil and Gas Business, less (b) all current liabilities of the Issuer and its Restricted Subsidiaries, except current liabilities included in
Indebtedness and 

  
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any current liabilities from commodity price risk management activities arising in the ordinary course of the Oil and Gas Business, in each case as set forth in the consolidated financial
statements of the Issuer prepared in accordance with GAAP. 
 “Non-Recourse Debt” means Indebtedness of a
Person: 
 (1) as to which neither the Issuer nor any Restricted Subsidiary (a) provides any Guarantee or
credit support of any kind (including any undertaking, Guarantee, indemnity, agreement or instrument that would constitute Indebtedness) or (b) is directly or indirectly liable (as a guarantor or otherwise); 

(2) no default with respect to which (including any rights that the holders thereof may have to take enforcement action
against an Unrestricted Subsidiary) would permit (upon notice, lapse of time or both) any holder of any other Indebtedness of the Issuer or any Restricted Subsidiary to declare a default under such other Indebtedness or cause the payment thereof to
be accelerated or payable prior to its stated maturity; and 
 (3) the explicit terms of which provide there is
no recourse against any of the assets of the Issuer or its Restricted Subsidiaries. 
 “Non-U.S. Person” means
a person who is not a U.S. person, as defined in Regulation S. 
 “Notes” has the meaning provided in the
preamble to this Indenture. 
 “Offering Circular” means the final offering circular dated February 4,
2011, relating to the issuance and sale of the Notes. 
 “Officer” means the Chairman of the Board, the Chief
Executive Officer, the President, the Chief Financial Officer, any Vice President, the Treasurer or the Secretary of the Issuer. Officer of any Subsidiary Guarantor has a correlative meaning. 

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

“Oil and Gas Business” means: (1) the business of acquiring, exploring, exploiting, developing, producing,
operating and disposing of interests in oil, natural gas, liquid natural gas and other hydrocarbon and mineral properties or products produced in association with any of the foregoing; (2) the business of gathering, marketing, distributing,
treating, processing, storing, refining, selling and transporting of any production from such interests or properties and products produced in association therewith and the marketing of oil, natural gas, other hydrocarbons and minerals obtained from
unrelated Persons; and (3) any business 

  
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or activity relating to, arising from, or necessary, appropriate or incidental to the activities described in the foregoing clauses (1) through (2) of this definition. 

“Oil and Gas Properties” means any and all rights, titles, interests and estates in and to oil and gas leases, oil, gas
and mineral leases, or other liquid or gaseous hydrocarbon leases, mineral fee interests, overriding royalty and royalty interests, net profit interests and production payment interests, including any reserved or residual interests of whatever
nature, together with all fixtures and improvements pertaining thereto. 
 “144A Global Note” means a Global
Note substantially in the form of Exhibit A hereto bearing the Global Note Legend and the Private Placement Legend and deposited with or on behalf of, and registered in the name of, the Depository or its nominee that will be issued in a
denomination equal to the outstanding principal amount of the Notes sold in reliance on Rule 144A. 
 “Opinion of
Counsel” means a written opinion from legal counsel who is acceptable to the Trustee. The counsel may be an employee of or counsel to the Issuer or the Trustee. 
 “Pari Passu Indebtedness” means Indebtedness that ranks equally in right of payment to the Notes. 
 “Pari Passu Notes” has the meaning provided in Section 4.16. 
 “Participant” means, with respect to the Depository, Euroclear or Clearstream, a Person who has an account with the Depository, Euroclear or Clearstream, respectively (and, with respect
to DTC, shall include Euroclear and Clearstream). 
 “Participating Broker-Dealer” has the meaning set forth in
the Registration Rights Agreement. 
 “Paying Agent” has the meaning provided in Section 2.3.

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

  
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 (1) ownership interests in oil, natural gas, other hydrocarbons and minerals
properties, liquid natural gas facilities, processing facilities, gathering systems, pipelines, storage facilities or related systems or ancillary real property interests; 

(2) Investments in the form of or pursuant to operating agreements, working interests, royalty interests, mineral leases,
processing agreements, farm-in agreements, farm-out agreements, contracts for the sale, transportation or exchange of oil, natural gas, other hydrocarbons and minerals, production sharing agreements, participation agreements, development agreements,
area of mutual interest agreements, unitization agreements, pooling agreements, joint bidding agreements, service contracts, joint venture agreements, partnership agreements (whether general or limited), subscription agreements, stock purchase
agreements, shareholder agreements and other similar agreements (including for limited liability companies) with third parties (including Unrestricted Subsidiaries); and 

(3) direct or indirect ownership interests in drilling rigs and related equipment, including, without limitation,
transportation equipment. 
 “Permitted Investment” means an Investment by the Issuer or any Restricted
Subsidiary in: 
 (1) the Issuer, a Restricted Subsidiary or a Person which will, upon the making of such
Investment, become a Restricted Subsidiary; provided, however, that the primary business of such Restricted Subsidiary is the Oil and Gas Business; 

(2) another Person whose primary business is the Oil and Gas Business if as a result of such Investment such other Person
becomes a Restricted Subsidiary or is merged or consolidated with or into, or transfers or conveys all or substantially all its assets to, the Issuer or a Restricted Subsidiary and, in each case, any Investment held by such Person; provided,
that such Investment was not acquired by such Person in contemplation of such acquisition, merger, consolidation or transfer; 
 (3) cash and Cash Equivalents; 
 (4) receivables owing to the
Issuer or any Restricted Subsidiary created or acquired in the ordinary course of business and payable or dischargeable in accordance with customary trade terms; provided, however, that such trade terms may include such concessionary
trade terms as the Issuer or any such Restricted Subsidiary deems reasonable under the circumstances; 
 (5)
payroll, commission, travel, relocation and similar advances to cover matters that are expected at the time of such advances ultimately to be treated as expenses for accounting purposes and that are made in the ordinary course of business;


  
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 (6) loans or advances to employees made in the ordinary course of business
consistent with past practices of the Issuer or such Restricted Subsidiary; 
 (7) Capital Stock, obligations or
securities received in settlement of debts created in the ordinary course of business and owing to the Issuer or any Restricted Subsidiary or in satisfaction of judgments; 

(8) Investments made as a result of the receipt of non-cash consideration from an Asset Disposition that was made pursuant
to and in compliance with Section 4.16; 
 (9) Investments in existence on the Issue Date;

 (10) Commodity Agreements, Currency Agreements, Interest Rate Agreements and related Hedging Obligations,
which transactions or obligations are Incurred in compliance with Section 4.12; 
 (11) Guarantees
issued in accordance with Section 4.12; 
 (12) any Asset Swap or acquisition of Additional Assets
made in accordance with Section 4.16 other than a transaction involving an Unrestricted Subsidiary; 

(13) Permitted Business Investments; 

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

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

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

  
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 (17) acquisitions of assets, equity interests or other securities by the
Issuer for consideration consisting of common equity securities of the Issuer; 
 (18) Investments in the Notes
and the Existing Senior Notes; 
 (19) any Investment in Endeavor Gathering, LLC made during any fiscal year of
the Issuer or within 45 days after the end of such fiscal year in amounts that, together with all other Investments made in Endeavor Gathering, LLC in respect of such fiscal year in reliance on this clause (19) during such fiscal year or within
45 days after the end of such fiscal year, do not exceed the amount of dividends or distributions previously paid in respect of such fiscal year to the Issuer or any Restricted Subsidiary by Endeavor Gathering, LLC; and 

(20) Investments by the Issuer or any of its Restricted Subsidiaries, together with all other Investments pursuant to this
clause (20), in an aggregate amount at the time of such Investment not to exceed the greater of (a) $10.0 million outstanding at any one time or (b) 2.0% of Adjusted Consolidated Net Tangible Assets (with the fair market value of such
Investment being measured at the time such Investment is made and without giving effect to subsequent changes in value). 

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

(1) Liens securing Indebtedness and other obligations under, and related Hedging Obligations and Liens on assets of
Restricted Subsidiaries securing Subsidiary Guarantees of Indebtedness and other obligations of the Issuer under, any Credit Facility permitted to be Incurred under this Indenture under the provisions described in clause (1) of the second
paragraph of Section 4.12; 
 (2) pledges or deposits by such Person under workmen’s
compensation laws, unemployment insurance laws, social security or old age pension laws or similar legislation, or good faith deposits in connection with bids, tenders, contracts (other than for the payment of Indebtedness) or leases to which such
Person is a party, or deposits (which may be secured by a Lien) to secure public or statutory obligations of such Person including letters of credit and bank Guarantees required or requested by the United States, any State thereof or any foreign
government or any subdivision, department, agency, organization or instrumentality of any of the foregoing in connection with any contract or statute (including lessee or operator obligations under statutes, governmental regulations, contracts or
instruments related to the ownership, exploration and production of oil, natural gas, other hydrocarbons and minerals on State, Federal or foreign lands or waters), or deposits of cash or United States government bonds to secure indemnity
performance, surety or appeal bonds or other similar bonds to which such Person is a party, or deposits as security for contested taxes or import or 

  
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customs duties or for the payment of rent, in each case Incurred in the ordinary course of business; 
 (3) statutory and contractual Liens of landlords and Liens imposed by law, including carriers’, warehousemen’s, mechanics’, materialmen’s and repairmen’s Liens, in each case for
sums not yet due or being contested in good faith by appropriate proceedings if a reserve or other appropriate provisions, if any, as shall be required by GAAP shall have been made in respect thereof; 

(4) Liens for taxes, assessments or other governmental charges or claims not yet subject to penalties for non-payment or
which are being contested in good faith by appropriate proceedings; provided that appropriate reserves, if any, required pursuant to GAAP have been made in respect thereof; 

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

(6) survey exceptions, encumbrances, ground leases, easements or reservations of, or rights of others for, licenses,
rights of way, sewers, electric lines, telegraph and telephone lines and other similar purposes, or zoning, building codes or other restrictions (including, without limitation, minor defects or irregularities in title and similar encumbrances) as to
the use of real properties or Liens incidental to the conduct of the business of such Person or to the ownership of its properties; 
 (7) Liens securing Hedging Obligations (excluding Hedging Obligations entered into for speculative purposes) so long as the related Indebtedness is, and is permitted to be under this Indenture, secured by
a Lien on the same property securing such Hedging Obligation; 
 (8) leases, licenses, subleases and sublicenses
of assets (including, without limitation, real property and intellectual property rights) which do not materially interfere with the ordinary conduct of the business of the Issuer or any of its Restricted Subsidiaries; 

(9) prejudgment Liens and judgment Liens not giving rise to an Event of Default so long as such Lien is adequately bonded
and any appropriate legal proceedings which may have been duly initiated for the review of such judgment have not been finally terminated or the period within which such proceedings may be initiated has not expired; 

  
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 (10) Liens for the purpose of securing the payment of all or a part of the
purchase price of, or Capitalized Lease Obligations, purchase money obligations or other payments Incurred to finance the acquisition, lease, improvement or construction of or repairs or additions to, assets or property acquired or constructed in
the ordinary course of business; provided that; 
 (a) the aggregate principal amount of Indebtedness
secured by such Liens is otherwise permitted to be Incurred under this Indenture; and 
 (b) such Liens are
created within 180 days of the later of the acquisition, lease, completion of improvements, construction, repairs or additions or commencement of full operation of the assets or property subject to such Lien and do not encumber any other assets or
property of the Issuer or any Restricted Subsidiary other than such assets or property and assets affixed or appurtenant thereto; 
 (11) Liens arising solely by virtue of any statutory or common law provisions relating to banker’s Liens, rights of set-off or similar rights and remedies as to deposit accounts or other funds
maintained with a depositary institution; provided that: 
 (a) such deposit account is not a dedicated
cash collateral account and is not subject to restrictions against access by the Issuer in excess of those set forth by regulations promulgated by the Federal Reserve Board; and 

(b) such deposit account is not intended by the Issuer or any Restricted Subsidiary to provide collateral to the
depository institution; 
 (12) Liens arising from Uniform Commercial Code financing statement filings regarding
operating leases entered into by the Issuer and its Restricted Subsidiaries in the ordinary course of business; 

(13) Liens existing on the Issue Date; 

(14) Liens on property or shares of Capital Stock of a Person at the time such Person becomes a Subsidiary;
provided, however, that such Liens are not created, Incurred or assumed in connection with, or in contemplation of, such other Person becoming a Subsidiary; provided further, however, that any such Lien may not extend to
any other property owned by the Issuer or any Restricted Subsidiary (other than assets or property affixed or appurtenant thereto); 
 (15) Liens on property at the time the Issuer or any of its Subsidiaries acquired the property, including any acquisition by means of a merger or consolidation with or into the Issuer or any of its
Subsidiaries; provided, however, that such Liens 

  
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are not created, Incurred or assumed in connection with, or in contemplation of, such acquisition; provided further, however, that such Liens may not extend to any other property
owned by the Issuer or any Restricted Subsidiary (other than assets or property affixed or appurtenant thereto); 

(16) Liens securing Indebtedness or other obligations of a Subsidiary owing to the Issuer or a Wholly-Owned Subsidiary;

 (17) Liens securing the Notes, Subsidiary Guarantees and other obligations under this Indenture and the
Subsidiary Guarantees; 
 (18) Liens securing Refinancing Indebtedness Incurred to refinance Indebtedness that
was previously so secured, provided that any such Lien is limited to all or part of the same property or assets (plus improvements, accessions, proceeds or dividends or distributions in respect thereof) that secured (or, under the written
arrangements under which the original Lien arose, could secure) the Indebtedness being refinanced or is in respect of property or assets that is the security for a Permitted Lien hereunder; 

(19) any interest or title of a lessor under any Capitalized Lease Obligation or operating lease; 

(20) Liens in respect of Production Payments and Reserve Sales, which Liens shall be limited to the property that is the
subject of such Production Payments and Reserve Sales; 
 (21) Liens arising under farm-out agreements, farm-in
agreements, division orders, contracts for the sale, purchase, exchange, transportation, gathering or processing of Hydrocarbons, unitizations and pooling designations, declarations, orders and agreements, development agreements, joint venture
agreements, partnership agreements, operating agreements, royalties, working interests, net profits interests, joint interest billing arrangements, participation agreements, production sales contracts, area of mutual interest agreements, gas
balancing or deferred production agreements, injection, repressuring and recycling agreements, salt water or other disposal agreements, seismic or geophysical permits or agreements, and other agreements which are customary in the Oil and Gas
Business; provided that the Liens arising under any such agreements are not incurred in connection with the borrowing of money; 
 (22) Liens on pipelines or pipeline facilities that arise by operation of law; 
 (23) Liens in favor of the Issuer or any Subsidiary Guarantor; 

  
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 (24) deposits made in the ordinary course of business to secure liability to
insurance carriers; 
 (25) Liens in favor of customs and revenue authorities arising as a matter of law to
secure payment of customs duties in connection with the importation of goods in the ordinary course of business; 

(26) Liens deemed to exist in connection with Investments in repurchase agreements permitted in Section 4.12;
provided that such Liens do not extend to any assets other than those that are the subject of such repurchase agreement; 
 (27) Liens encumbering reasonable customary initial deposits and margin deposits and similar Liens attaching to commodity trading accounts or other brokerage accounts incurred in the ordinary course of
business and not for speculative purposes; 
 (28) any (a) interest or title of a lessor or sublessor under
any lease, Liens reserved in oil, gas or other Hydrocarbons, minerals, leases for bonus, royalty or rental payments and for compliance with the terms of such leases; (b) restriction or encumbrance that the interest or title of such lessor or
sublessor may be subject to (including, without limitation, ground leases or other prior leases of the demised premises, mortgages, mechanics’ liens, tax liens, and easements); or (c) subordination of the interest of the lessee or
sublessee under such lease to any restrictions or encumbrance referred to in the preceding clause (b); 
 (29)
Liens (other than Liens securing Indebtedness) on, or related to, assets to secure all or part of the costs incurred in the ordinary course of the Oil and Gas Business for the exploration, drilling, development, production, processing,
transportation, marketing, storage or operation thereof; 
 (30) Liens upon specific items of inventory or other
goods and proceeds of any Person securing such Person’s obligations in respect of bankers’ acceptances issued or created for the account of such Person to facilitate the purchase, shipment or storage of such inventory or other goods;

 (31) Liens arising under this Indenture in favor of the Trustee for its own benefit and similar Liens in favor
of other trustees, agents and representatives arising under instruments governing Indebtedness permitted to be incurred under this Indenture, provided, however, that such Liens are solely for the benefit of the trustees, agents or
representatives in their capacities as such and not for the benefit of the holders of such Indebtedness; 
 (32)
Liens arising from the deposit of funds or securities in trust for the purpose of decreasing or defeasing Indebtedness so long as such deposit of funds or securities 

  
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and such decreasing or defeasing of Indebtedness are permitted under Section 4.10; 
 (33) Liens in favor of collecting or payer banks having a right of setoff, revocation, or charge back with respect to money or instruments of the Issuer or any Subsidiary of the Issuer on deposit with or
in possession of such bank; and 
 (34) in addition to the items referred to in clauses (1) through
(33) above, any Lien of the Issuer or any Restricted Subsidiary to secure Indebtedness the amount of which, when combined with the outstanding amount of all other Indebtedness secured by Liens incurred pursuant to this clause (34), does not
exceed $10.0 million. 
 In each case set forth above, notwithstanding any stated limitation on the assets that may be subject
to such Lien, a Permitted Lien on a specified asset or group or type of assets may include Liens on all improvements, additions and accessions thereto and all products and proceeds thereof (including dividends, distributions and increases in respect
thereof). 
 “Person” means any individual, corporation, partnership, joint venture, association, joint-stock
company, trust, unincorporated organization, limited liability company, government or any agency or political subdivision thereof or any other entity. 
 “Preferred Stock,” as applied to the Capital Stock of any corporation, means Capital Stock of any class or classes (however designated) that is preferred as to the payment of dividends,
or as to the distribution of assets upon any voluntary or involuntary liquidation or dissolution of such corporation, over shares of Capital Stock of any other class of such corporation. 

“principal” of any Indebtedness (including the Notes) means the principal amount of such Indebtedness. 

“Private Placement Legend” means the legend initially set forth on the Notes in the form set forth in
Section 2.15(a)(i). 
 “pro forma” means, with respect to any calculation made or required to be
made pursuant to the terms of this Indenture, a calculation in accordance with Article 11 of Regulation S-X under the Securities Act, as determined by the Board of Directors of the Issuer in consultation with its independent public accountants.

 “Production Payments and Reserve Sales” means the grant or transfer by the Issuer or a Restricted Subsidiary
to any Person of a royalty, overriding royalty, net profits interest, production payment (whether volumetric or dollar denominated), partnership or other interest in Oil and Gas Properties, reserves or the right to receive all or a portion of the
production or the proceeds from the sale of production attributable to such properties where the 

  
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holder of such interest has recourse solely to such production or proceeds of production, subject to the obligation of the grantor or transferor to operate and maintain, or cause the subject
interests to be operated and maintained, in a reasonably prudent manner or other customary standard or subject to the obligation of the grantor or transferor to indemnify for environmental, title or other matters customary in the Oil and Gas
Business, including any such grants or transfers pursuant to incentive compensation programs on terms that are reasonably customary in the Oil and Gas Business for geologists, geophysicists or other providers of technical services to the Issuer or a
Restricted Subsidiary. 
 “Property” means, with respect to any Person, any interests of such Person in any
kind of property or asset, whether real, personal or mixed, or tangible or intangible, including, without limitation, Capital Stock, partnership interests and other equity or ownership interests in any other Person. 

“Qualified Institutional Buyer” or “QIB” shall have the meaning specified in Rule 144A.

 “Record Date” means the Record Dates specified in the Notes. 

“Redemption Date,” when used with respect to any Note to be redeemed, means the date fixed for such redemption pursuant
to this Indenture and the Notes. 
 “Redemption Price,” when used with respect to any Note to be redeemed,
means the price fixed for such redemption, including principal and premium, if any, pursuant to this Indenture and the Notes. 

“Refinancing Indebtedness” means Indebtedness that is Incurred to refund, refinance, replace, exchange, renew, repay,
extend, prepay, redeem or retire (including pursuant to any defeasance or discharge mechanism) (collectively, “refinance,” “refinances” and “refinanced” shall have correlative meanings) any
Indebtedness (including Indebtedness of the Issuer that refinances Indebtedness of any Restricted Subsidiary and Indebtedness of any Restricted Subsidiary that refinances Indebtedness of another Restricted Subsidiary, but excluding Indebtedness of a
Subsidiary that is not a Restricted Subsidiary that refinances Indebtedness of the Issuer or a Restricted Subsidiary), including Indebtedness that refinances Refinancing Indebtedness, provided, however, that: 

(1) (a) if the Stated Maturity of the Indebtedness being refinanced is earlier than the Stated Maturity of the Notes,
the Refinancing Indebtedness has a Stated Maturity no earlier than the Stated Maturity of the Indebtedness being refinanced or (b) if the Stated Maturity of the Indebtedness being refinanced is later than the Stated Maturity of the Notes, the
Refinancing Indebtedness has a Stated Maturity at least 91 days later than the Stated Maturity of the Notes; 

  
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 (2) the Refinancing Indebtedness has an Average Life at the time such
Refinancing Indebtedness is Incurred that is equal to or greater than the Average Life of the Indebtedness being refinanced; 
 (3) such Refinancing Indebtedness is Incurred in an aggregate principal amount (or if issued with original issue discount, an aggregate issue price) that is equal to or less than the sum of the aggregate
principal amount (or if issued with original issue discount, the aggregate accreted value) then outstanding of the Indebtedness being refinanced (plus, without duplication, any additional Indebtedness Incurred to pay interest, premiums or defeasance
costs required by the instruments governing such existing Indebtedness and fees and expenses Incurred in connection therewith); and 
 (4) if the Indebtedness being refinanced is subordinated in right of payment to the Notes or the Subsidiary Guarantee, such Refinancing Indebtedness is subordinated in right of payment to the Notes or the
Subsidiary Guarantee on terms at least as favorable to the Holders as those contained in the documentation governing the Indebtedness being refinanced. 
 “Registered Exchange Offer” has the meaning set forth in the Registration Rights Agreement. 
 “Registrar” has the meaning provided in Section 2.3. 

“Registration Rights Agreement” means that certain registration rights agreement relating to the Notes, dated as of the
date hereof by and among the Issuer, the Subsidiary Guarantors and the representatives to the several Initial Purchasers set forth therein. 
 “Regulation S” means Regulation S under the Securities Act. 

“Regulation S Global Note” means a Global Note in the form of Exhibit A hereto bearing the Global Note
Legend, the Private Placement Legend and the Regulation S Global Note Legend and deposited with or on behalf of and registered in the name of the Depository or its nominee, issued in a denomination equal to the outstanding principal amount of the
Notes initially sold in reliance on Rule 903. 
 “Regulation S Global Note Legend” means the legend set forth
in Section 2.15(a)(iii) hereof. 
 “Restricted Definitive Note” means a Definitive Note bearing the
Private Placement Legend. 
 “Restricted Global Note” means a Global Note bearing the Private Placement Legend.


  
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 “Restricted Investment” means any Investment other than a Permitted
Investment. 
 “Restricted Payment” has the meaning set forth in Section 4.10. 

“Restricted Period” means the 40-day distribution compliance period as defined in Regulation S. 

“Restricted Subsidiary” means any Subsidiary of the Issuer other than an Unrestricted Subsidiary. 

“Rule 144” means Rule 144 promulgated under the Securities Act. 

“Rule 144A” means Rule 144A promulgated under the Securities Act. 

“Rule 903” means Rule 903 promulgated under the Securities Act. 

“Rule 904” means Rule 904 promulgated under the Securities Act. 

“S&P” means Standard and Poor’s Ratings Services, a division of The McGraw-Hill Companies, Inc. 

“Sale/Leaseback Transaction” means an arrangement relating to property now owned or hereafter acquired whereby the
Issuer or a Restricted Subsidiary transfers such property to a Person and the Issuer or a Restricted Subsidiary leases it from such Person. 
 “SEC” means the United States Securities and Exchange Commission. 

“Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations of the SEC promulgated
thereunder. 
 “Senior Secured Credit Agreement” means the Fifth Amended and Restated Loan Agreement dated as
of February 2, 2011 among the Issuer, as Borrower, Capital One, National Association, as Administrative Agent, and the agents and the lenders thereto from time to time, including any guarantees, collateral documents, instruments and agreements
executed in connection therewith, and any amendments, supplements, modifications, extensions, renewals, restatements, refundings or refinancings thereof and any indentures or credit facilities or commercial paper facilities with banks or other
institutional lenders or investors that replace, refund or refinance any part of the loans, notes, other credit facilities or commitments thereunder, including any such replacement, refunding or refinancing facility or indenture that increases the
amount borrowable thereunder or alters the maturity thereof (provided that such increase in borrowings is permitted in Section 4.12). 

  
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 “Shelf Registration Statement” means the Shelf Registration Statement as
defined in the Registration Rights Agreement. 
 “Significant Subsidiary” means any Restricted Subsidiary that
would be a “Significant Subsidiary” of the Issuer within the meaning of Rule 1-02 under Regulation S-X promulgated by the SEC, as in effect on the Issue Date. 
 “Stated Maturity” means, with respect to any security, the date specified in such security as the fixed date on which the payment of principal of such security is due and payable,
including pursuant to any mandatory redemption provision, but shall not include any contingent obligations to repay, redeem or repurchase any such principal prior to the date originally scheduled for the payment thereof. 

“Subordinated Obligation” means any Indebtedness of the Issuer or Subsidiary Guarantor (whether outstanding on the Issue
Date or thereafter Incurred) that is subordinate or junior in right of payment to the Notes or the Subsidiary Guarantees pursuant to a written agreement. 
 “Subsidiary” of any Person means (a) any corporation, association or other business entity (other than a partnership, joint venture, limited liability company or similar entity) of
which more than 50% of the total ordinary voting power of shares of Capital Stock entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers or trustees thereof (or Persons performing similar
functions) or (b) any partnership, joint venture, limited liability company or similar entity of which more than 50% of the capital accounts, distribution rights, total equity and voting interests or general or limited partnership interests, as
applicable, is, in the case of clauses (a) and (b), at the time owned or controlled, directly or indirectly, by (1) such Person, (2) such Person and one or more Subsidiaries of such Person or (3) one or more Subsidiaries of such
Person. Unless otherwise specified herein, each reference to a Subsidiary (other than in this definition) shall refer to a Subsidiary of the Issuer. 
 “Subsidiary Guarantee” means, individually, any Guarantee of payment of the Notes and exchange notes issued in a registered exchange offer pursuant to the Registration Rights Agreement by
a Subsidiary Guarantor pursuant to the terms of this Indenture and any supplemental indenture thereto, and, collectively, all such Subsidiary Guarantees. Each such Subsidiary Guarantee will be in the form prescribed by this Indenture. 

“Subsidiary Guarantor” means Diamond Blue Drilling Co. and Endeavor Pipeline Inc. and any Restricted Subsidiary created
or acquired by the Issuer after the Issue Date (other than a Foreign Subsidiary and a Restricted Subsidiary constituting an Immaterial Subsidiary) that Incurs any Indebtedness. 

  
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 “Successor Issuer” has the meaning set forth in Section 5.1.

 “Tender Offer” means, the Issuer’s offer to purchase up to $50.0 million aggregate principal amount of
its outstanding 5.00% Convertible Senior Notes. 
 “TIA” means the Trust Indenture Act of 1939 (15 U.S.C.
§§ 77aaa-77bbbb), as in effect on the date of this Indenture; provided that in the event the Trust Indenture Act of 1939 is amended after such date, “TIA” means, to the extent required by any such amendment, the Trust
Indenture Act of 1939 as so amended. 
 “Treasury Rate” means, as of any redemption date, the yield to maturity
at the time of computation of United States Treasury securities with a constant maturity (as compiled and published in the most recent Federal Reserve Statistical Release H.15 (519) that has become publicly available at least two Business Days
prior to the redemption date (or, if such Statistical Release is no longer published, any publicly available source or similar market data)) most nearly equal to the period from the redemption date to February 15, 2015; provided, however, that
if the period from the redemption date to February 15, 2015 is not equal to the constant maturity of a United States Treasury security for which a weekly average yield is given, the Treasury Rate shall be obtained by linear interpolation
(calculated to the nearest one-twelfth of a year) from the weekly average yields of United States Treasury securities for which such yields are given, except that if the period from the redemption date to February 15, 2015 is less than one
year, the weekly average yield on actually traded United States Treasury securities adjusted to a constant maturity of one year shall be used. 
 “Trust Officer” means any officer within the Corporate Trust Office including any Vice President, Managing Director, Director, Assistant Vice President, Associate, or any other officer of
the Trustee customarily performing functions similar to those performed by any of the above designated officers and also, with respect to a particular matter, any other officer to whom such matter is referred because of such officer’s knowledge
and familiarity with the particular subject, or in the case of a successor trustee, an officer assigned to the department, division or group performing the corporation trust work of such successor and assigned to administer this Indenture.

 “Trustee” means the party named as such in this Indenture until a successor replaces it in accordance with
the provisions of this Indenture and thereafter means such successor. 
 “Unrestricted Subsidiary” means:

 (1) as of the Issue Date, Endeavor Gathering, LLC; 

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

(3) any Subsidiary of an Unrestricted Subsidiary. 

The Board of Directors of the Issuer may designate any Subsidiary of the Issuer (including any newly acquired or newly formed Subsidiary
or a Person becoming a Subsidiary through merger or consolidation or Investment therein) to be an Unrestricted Subsidiary only if: 
 (1) such Subsidiary or any of its Subsidiaries does not own any Capital Stock or Indebtedness of or have any Investment in, or own or hold any Lien on any property of, any other Subsidiary of the Issuer
that is not a Subsidiary of the Subsidiary to be so designated or otherwise an Unrestricted Subsidiary; 
 (2)
all the Indebtedness of such Subsidiary and its Subsidiaries shall, at the date of designation, and will at all times thereafter, consist of Non-Recourse Debt; 
 (3) on the date of such designation, such designation and the Investment of the Issuer in such Subsidiary complies with Section 4.10; 

(4) such Subsidiary is a Person with respect to which neither the Issuer nor any of its Restricted Subsidiaries has any
direct or indirect obligation: 
 (a) to subscribe for additional Capital Stock of such Person; or 

(b) to maintain or preserve such Person’s financial condition or to cause such Person to achieve any specified levels
of operating results; and 
 (5) on the date such Subsidiary is designated an Unrestricted Subsidiary, such
Subsidiary is not a party to any agreement, contract, arrangement or understanding with the Issuer or any Restricted Subsidiary with terms substantially less favorable to the Issuer than those that might have been obtained from Persons who are not
Affiliates of the Issuer. 
 Any such designation by the Board of Directors of the Issuer shall be evidenced to the Trustee by
filing with the Trustee a resolution of the Board of Directors of the Issuer giving effect to such designation and an Officer’s Certificate certifying that such designation complies with the foregoing conditions. If, at any time, any
Unrestricted Subsidiary would fail to meet the foregoing requirements as an Unrestricted Subsidiary, it shall thereafter cease to be an Unrestricted Subsidiary for purposes of this Indenture and any Indebtedness of such Subsidiary shall be deemed to
be Incurred as of such date. 

  
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 The Board of Directors of the Issuer may designate any Unrestricted Subsidiary to be a
Restricted Subsidiary; provided that immediately after giving effect to such designation, no Default or Event of Default shall have occurred and be continuing or would occur as a consequence thereof and the Issuer could Incur at least $1.00
of additional Indebtedness under the first paragraph of Section 4.12 on a pro forma basis taking into account such designation. 
 “U.S. Government Obligations” means securities that are (a) direct obligations of the United States of America for the timely payment of which its full faith and credit is pledged or
(b) obligations of a Person controlled or supervised by and acting as an agency or instrumentality of the United States of America the timely payment of which is unconditionally guaranteed as a full faith and credit obligation of the United
States of America, which, in either case, are not callable or redeemable at the option of the issuer thereof, and shall also include a depositary receipt issued by a bank (as defined in Section 3(a)(2) of the Securities Act), as custodian with
respect to any such U.S. Government Obligations or a specific payment of principal of or interest on any such U.S. Government Obligations held by such custodian for the account of the holder of such depositary receipt; provided that (except
as required by law) such custodian is not authorized to make any deduction from the amount payable to the holder of such depositary receipt from any amount received by the custodian in respect of the U.S. Government Obligations or the specific
payment of principal of or interest on the U.S. Government Obligations evidenced by such depositary receipt. 
 “U.S.
Legal Tender” means such coin or currency of the United States of America as at the time of payment shall be legal tender for the payment of public and private debts. 
 “Unrestricted Definitive Note” means one or more Definitive Notes that do not bear and are not required to bear the Private Placement Legend. 

“Unrestricted Global Note” means a permanent Global Note, substantially in the form of Exhibit A attached
hereto, that bears the Global Note Legend and that is deposited with or on behalf of and registered in the name of the Depository, representing Notes that do not bear the Private Placement Legend. 

“Volumetric Production Payments” means production payment obligations recorded as deferred revenue in accordance with
GAAP, together with all undertakings and obligations in connection therewith. 
 “Voting Stock” of an entity
means all classes of Capital Stock of such entity then outstanding and normally entitled to vote in the election of members of such entity’s Board of Directors. 

  
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 “Wholly-Owned Subsidiary” means a Restricted Subsidiary, all of the Capital
Stock of which (other than directors’ qualifying shares) is owned by the Issuer or another Wholly-Owned Subsidiary. 

SECTION 1.2. Incorporation by Reference of TIA. 
 Whenever this Indenture refers to a provision of the TIA, such provision is incorporated by reference in, and made a part of, this Indenture. The following TIA terms used in this Indenture have the
following meanings: 
 “indenture securities” means the Notes; 

“indenture security holder” means a Holder; 
 “indenture to be qualified” means this Indenture; 

“indenture trustee” or “institutional trustee” means the Trustee; 

“obligor” on this Indenture securities means the Issuer and the Subsidiary Guarantors or any other obligor on the Notes
and the Subsidiary Guarantees. 
 All other TIA terms used in this Indenture that are defined by the TIA, defined by TIA
reference to another statute or defined by SEC rule and not otherwise defined herein have the meanings assigned to them therein. 
 SECTION 1.3. Rules of Construction. 
 Unless the
context otherwise requires: 
 (1) a term has the meaning assigned to it; 

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

(3) “or” is not exclusive; 

(4) words in the singular include the plural, and words in the plural include the singular; 

(5) “herein,” “hereof” and other words of similar import refer to this Indenture as a whole and not to
any particular Article, Section or other subdivision; and 
 (6) any reference to a statute, law or regulation
means that statute, law or regulation as amended and in effect from time to time and includes any successor statute, 

  
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law or regulation; provided, however, that any reference to the Bankruptcy Law shall mean the Bankruptcy Law as applicable to the relevant case. 

ARTICLE II. 
 THE
NOTES 
 SECTION 2.1. Form and Dating. 

(a) General. The Notes and the Trustee’s certificate of authentication relating thereto shall be substantially in the form of
Exhibit A hereto. The Notes may have notations, legends or endorsements required by law, stock exchange rule or depository rule or usage. The Issuer shall approve the form of the Notes and any notation, legend or endorsement on them. Each
Note shall be dated the date of its issuance and shall show the date of its authentication. 
 The terms and provisions
contained in the Notes, a form of which is annexed hereto as Exhibit A, shall constitute, and are hereby expressly made, a part of this Indenture and, to the extent applicable, the Issuer, the Subsidiary Guarantors and the Trustee, by
their execution and delivery of this Indenture, expressly agree to such terms and provisions and to be bound thereby. 
 (b)
Global Notes. Notes issued in global form shall be substantially in the form of Exhibit A (the “Global Note”) attached hereto (including the Global Note Legend thereon). Notes issued in definitive form shall be
substantially in the form of Exhibit A attached hereto (but without the Global Note Legend thereon). Each Global Note shall provide that it shall represent up to the aggregate principal amount of Notes from time to time endorsed thereon
and that the aggregate principal amount of outstanding Notes represented thereby may from time to time be reduced or increased, as applicable, to reflect exchanges and redemptions. Any endorsement of a Global Note to reflect the amount of any
increase or decrease in the aggregate principal amount of outstanding Notes represented thereby shall be made by the Trustee or the Custodian, at the direction of the Trustee, in accordance with instructions given by the Holder thereof as required
by Section 2.6 hereof. 
 (c) Regulation S Global Notes. Notes offered and sold in reliance on Regulation S
shall be issued initially in the form of the Regulation S Global Note, which shall be deposited on behalf of the purchasers of the Notes represented thereby with the Trustee, as custodian for the Depository, and registered in the name of the
Depository or the nominee of the Depository for the accounts of designated agents holding on behalf of Euroclear or Clearstream, duly executed by the Issuer and authenticated by the Trustee as hereinafter provided. The Restricted Period shall be
terminated upon the receipt by the Trustee of: 

  
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 (i) a written certificate from the Depository, together with copies of certificates from
Euroclear and Clearstream certifying that they have received certification of non-United States beneficial ownership of 100% of the aggregate principal amount of the Regulation S Global Note (except to the extent of any beneficial owners thereof who
acquired an interest therein during the Restricted Period pursuant to another exemption from registration under the Securities Act and who shall take delivery of a beneficial ownership interest in a 144A Global Note or an IAI Global Note bearing a
Private Placement Legend, all as contemplated by Section 2.6(b) hereof); and 
 (ii) an Officer’s Certificate
from the Issuer. 
 (d) Terms. The aggregate principal amount of Notes that may be authenticated and delivered under this
Indenture is unlimited. 
 The Notes shall be subject to repurchase by the Issuer pursuant to a Change of Control Offer as
provided in Section 4.15 hereof or an Asset Disposition Offer as provided under Section 4.16 hereof. The Notes shall not be redeemable, other than as provided in Article III. 

Additional Notes ranking pari passu with the Notes issued on the Issue Date may be created and issued from time to time by the
Issuer without notice to or consent of the Holders and shall be consolidated with and form a single class with the Notes issued on the Issue Date and shall have the same terms as to status, redemption or otherwise as the Notes issued on the Issue
Date; provided that the Issuer’s ability to issue Additional Notes shall be subject to the Issuer’s compliance with Section 4.12 hereof. Any Additional Notes shall be issued with the benefit of an indenture supplemental
to this Indenture. 
 (e) Euroclear and Clearstream Procedures Applicable. The provisions of the “Operating
Procedures of the Euroclear System” and “Terms and Conditions Governing Use of Euroclear” and the “General Terms and Conditions of Clearstream Banking” and “Customer Handbook” of Clearstream shall be applicable to
transfers of beneficial interests in the Regulation S Global Notes that are held by Participants through Euroclear or Clearstream. 
 SECTION 2.2. Execution and Authentication; Aggregate Principal Amount. 
 At least one Officer shall execute the Notes for the Issuer by manual or facsimile signature. 
 If an Officer whose signature is on a Note or a Subsidiary Guarantee was an Officer at the time of such execution but no longer holds that office or position at the time the Trustee authenticates the
Note, the Note shall nevertheless be valid. 

  
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 A Note shall not be valid until an authorized signatory of the Trustee manually or by
facsimile signs the certificate of authentication on the Note. The signature shall be conclusive evidence that the Note has been authenticated under this Indenture. 
 The Trustee shall authenticate (i) Notes for original issue on the Issue Date in the aggregate principal amount not to exceed $200,000,000, (ii) subject to Section 4.12, Additional
Notes and (iii) Exchange Notes, in each case, upon a written order of the Issuer in the form of an Officer’s Certificate. Each such written order shall specify the amount of Notes to be authenticated and the date on which the Notes are to
be authenticated, whether the Notes are to be Notes or Additional Notes and whether the Notes are to be issued as Definitive Notes or Global Notes or such other information as the Trustee may reasonably request. Any Additional Notes shall be part of
the same issue as the Notes being issued on the Issue Date and will vote on all matters as one class with the Notes being issued on the Issue Date, including, without limitation, waivers, amendments, redemptions, Change of Control Offers and Asset
Disposition Offers. For the purposes of this Indenture, except for Section 4.12, references to the Notes include Additional Notes, if any. In addition, with respect to authentication pursuant to clause (ii) of the first sentence of
this paragraph, the first such written order from the Issuer shall be accompanied by an Opinion of Counsel of the Issuer in a form reasonably satisfactory to the Trustee stating that the issuance of the Additional Notes does not give rise to an
Event of Default, complies with this Indenture and has been duly authorized by the Issuer. 
 The Trustee may appoint an
authenticating agent (the “Authenticating Agent”) reasonably acceptable to the Issuer to authenticate Notes. Unless otherwise provided in the appointment, an Authenticating Agent may authenticate Notes whenever the Trustee may do
so. Each reference in this Indenture to authentication by the Trustee includes authentication by such Authenticating Agent. An Authenticating Agent has the same rights as an Agent to deal with the Issuer or with any Affiliate of the Issuer.

 The Notes shall be issuable in fully registered form only, without coupons, in denominations of at least $2,000 and any
integral multiple of $1,000 in excess thereof. 
 SECTION 2.3. Registrar and Paying Agent.

 The Issuer shall maintain an office or agency where (a) Notes may be presented or surrendered for registration
of transfer or for exchange (“Registrar”), (b) Notes may be presented or surrendered for payment (“Paying Agent”) and (c) notices and demands to or upon the Issuer in respect of the Notes and this
Indenture may be served. The Registrar shall keep a register of the Notes and of their transfer and exchange. The Issuer, upon prior written notice to the Trustee, may have one or more co-Registrars and one or more additional paying agents
reasonably acceptable to the Trustee. The term “Paying Agent” includes any additional Paying Agent. The Issuer may act as Paying Agent, except that, for the purposes of payments on the Notes pursuant to Sections 4.15 and
4.16, neither the Issuer nor any Affiliate of the Issuer may act as Paying Agent. 

  
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 The Issuer shall enter into an appropriate agency agreement with any Agent not a party to
this Indenture, which agreement shall incorporate the provisions of the TIA and implement the provisions of this Indenture that relate to such Agent. The Issuer shall notify the Trustee, in advance, of the name and address of any such Agent. If the
Issuer fails to maintain a Registrar or Paying Agent, or fails to give the foregoing notice, the Trustee shall act as such. 

The Issuer initially appoints the Trustee as Registrar, Paying Agent and agent for service of demands and notices in connection with the
Notes, until such time as the Trustee has resigned or a successor has been appointed. Any of the Registrar, the Paying Agent or any other agent may resign upon 30 days’ prior written notice to the Issuer. 

SECTION 2.4. Paying Agent To Hold Assets in Trust. 

The Issuer shall require each Paying Agent other than the Trustee to agree in writing that such Paying Agent shall hold in trust for the
benefit of the Holders or the Trustee all assets held by the Paying Agent for the payment of principal of, premium or Liquidated Damages, if any, or interest on, the Notes (whether such assets have been distributed to it by the Issuer or any other
obligor on the Notes), and the Issuer and the Paying Agent shall notify the Trustee of any Default by the Issuer (or any other obligor on the Notes) in making any such payment. The Issuer at any time may require a Paying Agent to distribute all
assets held by it to the Trustee and account for any assets disbursed and the Trustee may at any time during the continuance of any payment Default, upon written request to a Paying Agent, require such Paying Agent to distribute all assets held by
it to the Trustee and to account for any assets distributed. If the Issuer acts as Paying Agent, it shall segregate and hold in a separate trust fund for the benefit of the Holders all assets held by it as Paying Agent. Upon distribution to the
Trustee of all assets that shall have been delivered by the Issuer to the Paying Agent, the Paying Agent (if other than the Issuer) shall have no further liability for such assets. 

SECTION 2.5. Holder Lists. 
 The Trustee shall preserve in as current a form as is reasonably practicable the most recent list available to it of the names and addresses of the Holders and shall otherwise comply with TIA
§ 312(a). If the Trustee is not the Registrar, the Issuer shall furnish or cause the Registrar to furnish to the Trustee before each Record Date and at such other times as the Trustee may request in writing a list as of such date and in
such form as the Trustee may reasonably require of the names and addresses of the Holders, which list may be conclusively relied upon by the Trustee. 

  
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 SECTION 2.6. Transfer and Exchange. 

(a) Transfer and Exchange of Global Notes. Except as otherwise set forth in this Section 2.6, a Global Note may be
transferred, in whole and not in part, only to another nominee of the Depository or to a successor Depository or a nominee of such successor Depository. A beneficial interest in a Global Note may not be exchanged for a Definitive Note unless
(i) the Depository (x) notifies the Issuer that it is unwilling or unable to continue as Depository for such Global Note or (y) has ceased to be a clearing agency registered under the Exchange Act and, in either case, a successor
Depository is not appointed by the Issuer within 120 days or (ii) there shall have occurred and be continuing a Default with respect to the Notes. Upon the occurrence of any of the preceding events in clause (i) or (ii) above,
Definitive Notes delivered in exchange for any Global Note or beneficial interests therein will be registered in the names, and issued in any approved denominations, requested by or on behalf of the Depository (in accordance with its customary
procedures). Global Notes also may be exchanged or replaced, in whole or in part, as provided in Sections 2.7 and 2.10 hereof. Every Note authenticated and delivered in exchange for, or in lieu of, a Global Note or any portion thereof,
pursuant to this Section 2.6 or Section 2.7 or 2.10 hereof, shall be authenticated and delivered in the form of, and shall be, a Global Note, except for Definitive Notes issued subsequent to any of the preceding events
in clause (i) or (ii) above and pursuant to Section 2.6(c) hereof. A Global Note may not be exchanged for another Note other than as provided in this Section 2.6(a); provided, however, beneficial
interests in a Global Note may be transferred and exchanged as provided in Section 2.6(b), (c) or (f) hereof. 
 (b) Transfer and Exchange of Beneficial Interests in the Global Notes. The transfer and exchange of beneficial interests in the Global Notes shall be effected through the Depository, in accordance
with the provisions of this Indenture and the Applicable Procedures. Beneficial interests in the Restricted Global Notes shall be subject to restrictions on transfer comparable to those set forth herein to the extent required by the Securities Act.
Transfers of beneficial interests in the Global Notes also shall require compliance with either subparagraph (i) or (ii) below, as applicable, as well as one or more of the other following subparagraphs, as applicable: 

(i) Transfer of Beneficial Interests in the Same Global Note. Beneficial interests in any Restricted Global Note may be
transferred to Persons who take delivery thereof in the form of a beneficial interest in the same Restricted Global Note in accordance with the transfer restrictions set forth in the Private Placement Legend; provided, however, that
prior to the expiration of the Restricted Period, transfers of beneficial interests in the Regulation S Global Note may not be made to a U.S. Person or for the account or benefit of a U.S. Person (other than an Initial Purchaser). Beneficial
interests in any Unrestricted Global Note may be transferred to Persons who take delivery thereof in the form of a beneficial interest in an Unrestricted Global Note. No written orders or instructions shall be required to be delivered to the
Registrar to effect the transfers described in this Section 2.6(b)(i). 

  
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 (ii) All Other Transfers and Exchanges of Beneficial Interests in Global Notes. In
connection with all transfers and exchanges of beneficial interests that are not subject to Section 2.6(b)(i) hereof, the transferor of such beneficial interest must deliver to the Registrar either (A) (1) a written order from
a Participant or an Indirect Participant given to the Depository in accordance with the Applicable Procedures directing the Depository to credit or cause to be credited a beneficial interest in another Global Note in an amount equal to the
beneficial interest to be transferred or exchanged and (2) instructions given in accordance with the Applicable Procedures containing information regarding the Participant account to be credited with such increase or (B) (1) a written
order from a Participant or an Indirect Participant given to the Depository in accordance with the Applicable Procedures directing the Depository to cause to be issued a Definitive Note in an amount equal to the beneficial interest to be transferred
or exchanged and (2) instructions given by the Depository to the Registrar containing information regarding the Person in whose name such Definitive Note shall be registered to effect the transfer or exchange referred to in (1) above;
provided that in no event shall Definitive Notes be issued upon the transfer or exchange of beneficial interests in the Regulation S Global Note prior to (A) the expiration of the Restricted Period and (B) the receipt by the
Registrar of any certificates required pursuant to Rule 903. Upon consummation of a Registered Exchange Offer by the Issuer in accordance with Section 2.06(f) hereof, the requirements of this Section 2.06(b)(ii) shall be
deemed to have been satisfied upon receipt by the Registrar of the instructions contained in the Letter of Transmittal delivered by the Holder of such beneficial interests in the Restricted Global Notes. Upon satisfaction of all of the requirements
for transfer or exchange of beneficial interests in Global Notes contained in this Indenture and the Notes or otherwise applicable under the Securities Act, the Trustee shall adjust the principal amount of the relevant Global Note(s) pursuant to
Section 2.6(f) hereof. 
 (iii) Transfer of Beneficial Interests to Another Restricted Global Note. A
beneficial interest in any Restricted Global Note may be transferred to a Person who takes delivery thereof in the form of a beneficial interest in another Restricted Global Note if the transfer complies with the requirements of
Section 2.6(b)(ii) hereof and the Registrar receives the following: 
  

	 	(A)	if the transferee will take delivery in the form of a beneficial interest in the 144A Global Note, then the transferor must deliver a certificate in the form of
Exhibit B hereto, including the certifications in item (1) thereof; 

  

	 	(B)	if the transferee will take delivery in the form of a beneficial interest in the Regulation S Global Note, then the transferor must deliver a certificate in the form of
Exhibit B hereto, including the certifications in item (2) thereof; or 


  
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	 	(C)	if the transferee will take delivery in the form of a beneficial interest in the IAI Global Note, then the transferor must deliver a certificate to the Registrar in the
form of Exhibit B hereto, including the certifications, certificates and Opinion of Counsel required by item (3) thereof, if applicable. 

 (iv) Transfer and Exchange of Beneficial Interests in a Restricted Global Note for Beneficial Interests in an Unrestricted Global Note. A beneficial interest in any Restricted Global Note may be
exchanged by any holder thereof for a beneficial interest in an Unrestricted Global Note or transferred to a Person who takes delivery thereof in the form of a beneficial interest in an Unrestricted Global Note if the exchange or transfer complies
with the requirements of Section 2.6(b)(ii) hereof and: 
  

	 	(A)	such exchange or transfer is effected pursuant to the Registered Exchange Offer and the holder of the beneficial interest to be transferred, in the case of an exchange,
or the transferee, in the case of a transfer, certifies in the Letter of Transmittal that it is not (1) a Participating Broker-Dealer, (2) a Person participating in the distribution of the Exchange Notes or (3) a Person who is an
affiliate (as defined in Rule 144) of the Issuer; 

  

	 	(B)	such transfer is effected pursuant to the Shelf Registration Statement in accordance with the Registration Rights Agreement; 


 

	 	(C)	such transfer is effected by a Participating Broker-Dealer pursuant to the Exchange Offer Registration Statement in accordance with the Registration Rights Agreement;
or 

  

	 	(D)	the Registrar receives the following: 

  

	 	(1)	if the holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for a beneficial interest in an Unrestricted Global
Note, a certificate from such Holder substantially in the form of Exhibit C hereto, including the certifications in item (1)(a) thereof; or 


 

	 	(2)	if the holder of such beneficial interest in a Restricted Global Note proposes to transfer such beneficial interest to a Person who shall take delivery thereof in the
form of a beneficial interest in an Unrestricted Global Note, a certificate from such holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 


  
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 and, in each case set forth in this Section 2.6(b)(iv), if the Registrar so
requests or if the Applicable Procedures so require, an Opinion of Counsel in form reasonably acceptable to the Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer
contained herein and in the Private Placement Legend are no longer required in order to maintain compliance with the Securities Act. 
 If any such transfer is effected pursuant to this Section 2.6(b)(ii) or (iv) at a time when an Unrestricted Global Note has not yet been issued, the Issuer shall issue and, upon
receipt of an Authentication Order in accordance with Section 2.2 hereof, the Trustee shall authenticate one or more Unrestricted Global Notes in an aggregate principal amount equal to the aggregate principal amount of beneficial
interests transferred pursuant to this Section 2.6(b)(ii) or (iv). 
 Beneficial interests in
an Unrestricted Global Note cannot be exchanged for, or transferred to Persons who take delivery thereof in the form of, a beneficial interest in a Restricted Global Note. 
 (c) Transfer or Exchange of Beneficial Interests for Definitive Notes. 

(i) Beneficial Interests in Restricted Global Notes to Restricted Definitive Notes. If any holder of a beneficial interest in a
Restricted Global Note proposes to exchange such beneficial interest for a Restricted Definitive Note or to transfer such beneficial interest to a Person who takes delivery thereof in the form of a Restricted Definitive Note, then, upon the
occurrence of any of the events in paragraph (i) or (ii) of Section 2.6(a) hereof and receipt by the Registrar of the following documentation: 

(A) if the holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest
for a Restricted Definitive Note, a certificate from such holder substantially in the form of Exhibit C hereto, including the certifications in item (2)(a) thereof; 

(B) if such beneficial interest is being transferred to a QIB in accordance with Rule 144A, a certificate substantially in
the form of Exhibit B hereto, including the certifications in item (1) thereof; 
 (C) if such
beneficial interest is being transferred to a Non-U.S. Person in an offshore transaction in accordance with Rule 903 or Rule 904, a certificate substantially in the form of Exhibit B hereto, including the certifications in item
(2) thereof; 
 (D) if such beneficial interest is being transferred pursuant to an exemption from the
registration requirements of the Securities Act in accordance with Rule 144, a 

  
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certificate substantially in the form of Exhibit B hereto, including the certifications in item (3)(a) thereof; 

(E) if such beneficial interest is being transferred to the Issuer or any of its Restricted Subsidiaries, a certificate
substantially in the form of Exhibit B hereto, including the certifications in item (3)(b) thereof; 
 (F) if such beneficial interest is being transferred pursuant to an effective registration statement under the Securities Act, a certificate substantially in the form of Exhibit B hereto,
including the certifications in item (3)(c) thereof; or 
 (G) if such beneficial interest is being
transferred to an Institutional Accredited Investor in reliance on an exemption from the registration requirements of the Securities Act other than those listed in subparagraphs (B) through (D) above, a certificate to the effect set forth
in Exhibit B hereto, including the certifications, certificates and Opinion of Counsel required by item (3)(d) thereof, if applicable; 
 the Trustee shall cause the aggregate principal amount of the applicable Global Note to be reduced accordingly pursuant to Section 2.6(f) hereof, and the Issuer shall execute and the Trustee
shall authenticate and mail to the Person designated in the instructions a Definitive Note in the applicable principal amount. Any Definitive Note issued in exchange for a beneficial interest in a Restricted Global Note pursuant to this
Section 2.6(c) shall be registered in such name or names and in such authorized denomination or denominations as the holder of such beneficial interest shall instruct the Registrar through instructions from the Depository and the
Participant or Indirect Participant. The Trustee shall mail such Definitive Notes to the Persons in whose names such Notes are so registered. Any Definitive Note issued in exchange for a beneficial interest in a Restricted Global Note pursuant to
this Section 2.6(c)(i) shall bear the Private Placement Legend and shall be subject to all restrictions on transfer contained therein. 
 (ii) Beneficial Interests in Regulation S Global Note to Definitive Notes. Notwithstanding Sections 2.6(c)(i)(A) and (C) hereof, a beneficial interest in the Regulation S Global
Note may not be exchanged for a Definitive Note or transferred to a Person who takes delivery thereof in the form of a Definitive Note prior to (A) the expiration of the Restricted Period and (B) the receipt by the Registrar of any
certificates required pursuant to Rule 903(b)(3)(ii)(B) of the Securities Act, except in the case of a transfer pursuant to an exemption from the registration requirements of the Securities Act other than Rule 903 or Rule 904. 

(iii) Beneficial Interests in Restricted Global Notes to Unrestricted Definitive Notes. A holder of a beneficial interest in a
Restricted Global Note may exchange such beneficial interest for an Unrestricted Definitive Note or may transfer such beneficial interest to a Person who takes delivery thereof in the form of an Unrestricted Definitive Note only


  
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upon the occurrence of any of the events in subsection (i) or (ii) of Section 2.6(a) hereof and if: 

(A) such exchange or transfer is effected pursuant to the Registered Exchange Offer in accordance with the Registration
Rights Agreement and the holder of such beneficial interest, in the case of an exchange, or the transferee, in the case of a transfer, certifies in the applicable letter of transmittal that it is not (1) a Participating Broker-Dealer,
(2) a Person participating in the distribution of the Exchange Notes or (3) a Person who is an affiliate (as defined in Rule 144) of the Issuer; 
 (B) such transfer is effected pursuant to a Shelf Registration Statement in accordance with the Registration Rights Agreement; 

(C) such transfer is effected by a Participating Broker-Dealer pursuant to the Exchange Offer Registration Statement in
accordance with the Registration Rights Agreement; or 
 (D) the Registrar receives the following: 

(1) if the holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest
for an Unrestricted Definitive Note, a certificate from such holder substantially in the form of Exhibit C hereto, including the certifications in item (1)(b) thereof; or 

(2) if the holder of such beneficial interest in a Restricted Global Note proposes to transfer such beneficial interest to
a Person who shall take delivery thereof in the form of an Unrestricted Definitive Note, a certificate from such holder substantially in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

and, in each case set forth in this Section 2.6(b)(iv), if the Registrar so requests or if the Applicable Procedures so require, an Opinion
of Counsel in form reasonably acceptable to the Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend are no longer
required in order to maintain compliance with the Securities Act. 
 (iv) Beneficial Interests in Unrestricted Global Notes
to Unrestricted Definitive Notes. If any holder of a beneficial interest in an Unrestricted Global Note proposes to exchange such beneficial interest for a Definitive Note or to transfer such beneficial interest to a Person who takes delivery
thereof in the form of a Definitive Note, then, upon the occurrence of any of the events in subsection (i) or (ii) of Section 2.6(a) hereof and satisfaction of the conditions set forth in
Section 2.6(b)(ii) hereof, the Trustee shall cause the aggregate principal amount of the applicable Global Note to be reduced accordingly pursuant to Section 

  
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2.6(f) hereof, and the Issuer shall execute and the Trustee shall authenticate and mail to the Person designated in the instructions a Definitive Note in the applicable principal amount.
Any Definitive Note issued in exchange for a beneficial interest pursuant to this Section 2.6(c)(iv) shall be registered in such name or names and in such authorized denomination or denominations as the holder of such beneficial interest
shall instruct the Registrar through instructions from or through the Depository and the Participant or Indirect Participant. The Trustee shall mail such Definitive Notes to the Persons in whose names such Notes are so registered. Any Definitive
Note issued in exchange for a beneficial interest pursuant to this Section 2.6(c)(iv) shall not bear the Private Placement Legend. 
 (d) Transfer and Exchange of Definitive Notes for Beneficial Interests. 

(i) Restricted Definitive Notes to Beneficial Interests in Restricted Global Notes. If any Holder of a Restricted Definitive Note
proposes to exchange such Note for a beneficial interest in a Restricted Global Note or to transfer such Restricted Definitive Note to a Person who takes delivery thereof in the form of a beneficial interest in a Restricted Global Note, then, upon
receipt by the Registrar of the following documentation: 
 (A) if the Holder of such Restricted Definitive Note
proposes to exchange such Note for a beneficial interest in a Restricted Global Note, a certificate from such Holder substantially in the form of Exhibit C hereto, including the certifications in item (2)(b) thereof; 

(B) if such Restricted Definitive Note is being transferred to a QIB in accordance with Rule 144A, a certificate
substantially in the form of Exhibit B hereto, including the certifications in item (1) thereof; 
 (C) if such Restricted Definitive Note is being transferred to a Non-U.S. Person in an offshore transaction in accordance with Rule 903 or Rule 904, a certificate substantially in the form of
Exhibit B hereto, including the certifications in item (2) thereof; 
 (D) if such Restricted
Definitive Note is being transferred pursuant to an exemption from the registration requirements of the Securities Act in accordance with Rule 144, a certificate substantially in the form of Exhibit B hereto, including the certifications
in item (3)(a) thereof; 
 (E) if such Restricted Definitive Note is being transferred to the Issuer or any
of its Restricted Subsidiaries, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (3)(b) thereof; 

  
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 (F) if such Restricted Definitive Note is being transferred pursuant to an
effective registration statement under the Securities Act, a certificate substantially in the form of Exhibit B hereto, including the certifications in item (3)(c) thereof; or 

(G) if such Restricted Definitive Note is being transferred to an Institutional Accredited Investor in reliance on an
exemption from the registration requirements of the Securities Act other than those listed in subparagraphs (B) through (D) above, a certificate to the effect set forth in Exhibit B hereto, including the certifications, certificates
and Opinion of Counsel required by item (3)(d) thereof, if applicable; 
 the Trustee shall cancel the Restricted Definitive Note, increase
or cause to be increased the aggregate principal amount of, in the case of clause (A) above, the applicable Restricted Global Note, in the case of clause (B) above, the applicable 144A Global Note, in the case of clause (C) above, the
applicable Regulation S Global Note, and in all other cases, the IAI Global Note. 
 (ii) Restricted Definitive Notes to
Beneficial Interests in Unrestricted Global Notes. A Holder of a Restricted Definitive Note may exchange such Note for a beneficial interest in an Unrestricted Global Note or transfer such Restricted Definitive Note to a Person who takes
delivery thereof in the form of a beneficial interest in an Unrestricted Global Note only: 
 (A) such exchange
or transfer is effected pursuant to the Registered Exchange Offer in accordance with the Registration Rights Agreement and the Holder, in the case of an exchange, or the transferee, in the case of a transfer, certifies in the applicable letter of
transmittal that it is not (1) a Participating Broker-Dealer, (2) a Person participating in the distribution of the Exchange Notes or (3) a Person who is an affiliate (as defined in Rule 144) of the Issuer; 

(B) such transfer is effected pursuant to a Shelf Registration Statement in accordance with the Registration Rights
Agreement; 
 (C) such transfer is effected by a Participating Broker-Dealer pursuant to an Exchange Offer
Registration Statement in accordance with the Registration Rights Agreement; or 
 (D) the Registrar receives the
following: 
 (1) if the Holder of such Definitive Notes proposes to exchange such Notes for a beneficial
interest in the Unrestricted Global Note, a certificate from such Holder substantially in the form of Exhibit C hereto, including the certifications in item (1)(c) thereof; or 

  
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 (2) if the Holder of such Definitive Notes proposes to transfer such Notes
to a Person who shall take delivery thereof in the form of a beneficial interest in the Unrestricted Global Note, a certificate from such Holder substantially in the form of Exhibit B hereto, including the certifications in item
(4) thereof; 
 and, in each case set forth in this Section 2.6(b)(iv), if the Registrar so requests or if the Applicable
Procedures so require, an Opinion of Counsel in form reasonably acceptable to the Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer contained herein and in the
Private Placement Legend are no longer required in order to maintain compliance with the Securities Act. 
 Upon satisfaction of
the conditions of any of the subparagraphs in this Section 2.6(d)(ii), the Trustee shall cancel the Definitive Notes and increase or cause to be increased the aggregate principal amount of the Unrestricted Global Note. 

(iii) Unrestricted Definitive Notes to Beneficial Interests in Unrestricted Global Notes. A Holder of an Unrestricted Definitive
Note may exchange such Note for a beneficial interest in an Unrestricted Global Note or transfer such Definitive Notes to a Person who takes delivery thereof in the form of a beneficial interest in an Unrestricted Global Note at any time. Upon
receipt of a request for such an exchange or transfer, the Trustee shall cancel the applicable Unrestricted Definitive Note and increase or cause to be increased the aggregate principal amount of one of the Unrestricted Global Notes. 

If any such exchange or transfer from a Definitive Note to a beneficial interest is effected pursuant to subparagraph (ii)(B), (ii)(D) or
(iii) above at a time when an Unrestricted Global Note has not yet been issued, the Issuer shall issue and, upon receipt of an Authentication Order in accordance with Section 2.2 hereof, the Trustee shall authenticate one or more
Unrestricted Global Notes in an aggregate principal amount equal to the principal amount of Definitive Notes so transferred. 

(e) Transfer and Exchange of Definitive Notes for Definitive Notes. Upon request by a Holder of Definitive Notes and such
Holder’s compliance with the provisions of this Section 2.6(e), the Registrar shall register the transfer or exchange of Definitive Notes. Prior to such registration of transfer or exchange, the requesting Holder shall present or
surrender to the Registrar the Definitive Notes duly endorsed or accompanied by a written instruction of transfer in form satisfactory to the Registrar duly executed by such Holder or by its attorney, duly authorized in writing. In addition, the
requesting Holder shall provide any additional certifications, documents and information, as applicable, required pursuant to the following provisions of this Section 2.6(e): 

(i) Restricted Definitive Notes to Restricted Definitive Notes. Any Restricted Definitive Note may be transferred to and
registered in the name of Persons who take 

  
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delivery thereof in the form of a Restricted Definitive Note if the Registrar receives the following: 
  

	 	(A)	if the transfer will be made to a QIB in accordance with Rule 144A, then the transferor must deliver a certificate substantially in the form of Exhibit B
hereto, including the certifications in item (1) thereof; 

  

	 	(B)	if the transfer will be made pursuant to Rule 903 or Rule 904 then the transferor must deliver a certificate in the form of Exhibit B hereto, including the
certifications in item (2) thereof; or 

  

	 	(C)	if the transfer will be made pursuant to any other exemption from the registration requirements of the Securities Act, then the transferor must deliver a certificate in
the form of Exhibit B hereto, including the certifications required by item (3) thereof, if applicable. 

 (ii) Restricted Definitive Notes to Unrestricted Definitive Notes. Any Restricted Definitive Note may be exchanged by the Holder thereof for an Unrestricted Definitive Note or transferred to a
Person or Persons who take delivery thereof in the form of an Unrestricted Definitive Note if: 
  

	 	(A)	such exchange or transfer is effected pursuant to the Registered Exchange Offer in accordance with the Registration Rights Agreement and the Holder, in the case of an
exchange, or the transferee, in the case of a transfer, certifies in the applicable letter of transmittal that it is not (1) a Participating Broker-Dealer, (2) a Person participating in the distribution of the Exchange Notes or (3) a
Person who is an affiliate (as defined in Rule 144) of the Issuer; 

  

	 	(B)	any such transfer is effected pursuant to the Shelf Registration Statement in accordance with the Registration Rights Agreement; 


 

	 	(C)	any such transfer is effected by a Participating Broker-Dealer pursuant to the Exchange Offer Registration Statement in accordance with the Registration Rights
Agreement; or 


  
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	 	(D)	the Registrar receives the following: 

 (1) if the Holder of such Restricted Definitive Notes proposes to exchange such Notes for an Unrestricted Definitive Note, a certificate from such Holder substantially in the form of Exhibit C
hereto, including the certifications in item (1)(d) thereof; or 
 (2) if the Holder of such Restricted
Definitive Notes proposes to transfer such Notes to a Person who shall take delivery thereof in the form of an Unrestricted Definitive Note, a certificate from such Holder substantially in the form of Exhibit B hereto, including the
certifications in item (4) thereof; 
 and, in each case set forth in this Section 2.6(b)(iv), if the Registrar
so requests, an Opinion of Counsel in form reasonably acceptable to the Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer contained herein and in the Private
Placement Legend are no longer required in order to maintain compliance with the Securities Act. 
 (iii) Unrestricted
Definitive Notes to Unrestricted Definitive Notes. A Holder of Unrestricted Definitive Notes may transfer such Notes to a Person who takes delivery thereof in the form of an Unrestricted Definitive Note. Upon receipt of a request to register
such a transfer, the Registrar shall register the Unrestricted Definitive Notes pursuant to the instructions from the Holder thereof. 
 (f) Registered Exchange Offer. Upon the occurrence of the Registered Exchange Offer in accordance with the Registration Rights Agreement, the Issuer will issue and, upon receipt of an
Authentication Order in accordance with Section 2.2 hereof, the Trustee will authenticate: 
 (i) one
or more Unrestricted Global Notes in an aggregate principal amount equal to the principal amount of the beneficial interests in the Restricted Global Notes accepted for exchange in the Registered Exchange Offer by Persons that certify that
(A) they are not Participating Broker-Dealers, (B) they are not participating in a distribution of the Exchange Notes and (C) they are not affiliates (as defined in Rule 144) of the Issuer; and 

(ii) Unrestricted Definitive Notes in an aggregate principal amount equal to the principal amount of the Restricted
Definitive Notes accepted for exchange in the Registered Exchange Offer by Persons that certify that (A) they are not Participating Broker-Dealers, (B) they are not participating in a distribution of the Exchange Notes and (C) they
are not affiliates (as defined in Rule 144) of the Issuer. 

  
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Concurrently with the issuance of such Notes, the Trustee will cause the aggregate principal amount of the applicable Restricted Global Notes to be reduced accordingly, and the Issuer will
execute and the Trustee will authenticate and deliver to the Persons designated by the Holders of Definitive Notes so accepted Unrestricted Definitive Notes in the appropriate principal amount. 

(g) Cancellation and/or Adjustment of Global Notes. At such time as all beneficial interests in a particular Global Note have been
exchanged for Definitive Notes or a particular Global Note has been redeemed, repurchased or canceled in whole and not in part, each such Global Note shall be returned to or retained and canceled by the Trustee in accordance with
Section 2.11 hereof. At any time prior to such cancellation, if any beneficial interest in a Global Note is exchanged for or transferred to a Person who will take delivery thereof in the form of a beneficial interest in another Global
Note or for Definitive Notes, the principal amount of Notes represented by such Global Note shall be reduced accordingly and an endorsement shall be made on such Global Note by the Trustee or by the Depository at the direction of the Trustee to
reflect such reduction; and if the beneficial interest is being exchanged for or transferred to a Person who will take delivery thereof in the form of a beneficial interest in another Global Note, such other Global Note shall be increased
accordingly and an endorsement shall be made on such Global Note by the Trustee or by the Depository at the direction of the Trustee to reflect such increase. 
 (h) General Provisions Relating to Transfers and Exchanges. 
 (i) To permit
registrations of transfers and exchanges, the Issuer shall execute and the Trustee shall authenticate Global Notes and Definitive Notes upon receipt of an Authentication Order in accordance with Section 2.2 hereof or at the
Registrar’s request. 
 (ii) No service charge shall be made to a holder of a beneficial interest in a Global Note or to a
Holder of a Definitive Note for any registration of transfer or exchange, but the Issuer may require payment of a sum sufficient to cover any transfer tax or similar governmental charge payable in connection therewith (other than any such transfer
taxes or similar governmental charge payable upon exchange or transfer pursuant to Sections 2.7, 2.10, 3.7, 4.15, 4.16 and 9.5 hereof). 

(iii) Neither the Registrar nor the Issuer shall be required to register the transfer of or exchange any Note selected for redemption in
whole or in part, except the unredeemed portion of any Note being redeemed in part. 
 (iv) All Global Notes and Definitive
Notes issued upon any registration of transfer or exchange of Global Notes or Definitive Notes shall be the valid obligations of the Issuer, evidencing the same debt, and entitled to the same benefits under this Indenture, as the Global Notes or
Definitive Notes surrendered upon such registration of transfer or exchange. 

  
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 (v) The Issuer shall not be required (A) to issue, to register the transfer of or to
exchange any Notes during a period beginning at the opening of business 15 days before the day of any selection of Notes for redemption under Section 3.2 hereof and ending at the close of business on the day of selection, (B) to
register the transfer of or to exchange any Note so selected for redemption in whole or in part, except the unredeemed portion of any Note being redeemed in part or (C) to register the transfer of or to exchange a Note between a Record Date and
the next succeeding Interest Payment Date. 
 (vi) Prior to due presentment for the registration of a transfer of any Note, the
Trustee, any Agent and the Issuer may deem and treat the Person in whose name any Note is registered as the absolute owner of such Note for the purpose of receiving payment of principal of (and premium, if any), Liquidated Damages, if any, and
interest on such Notes and for all other purposes, and none of the Trustee, any Agent or the Issuer shall be affected by notice to the contrary. 
 (vii) Upon surrender for registration of transfer of any Note at the office or agency of the Issuer designated pursuant to Section 4.2 hereof, the Issuer shall execute, and the Trustee shall
authenticate and mail, in the name of the designated transferee or transferees, one or more replacement Notes of any authorized denomination or denominations of a like aggregate principal amount. 

(viii) At the option of the Holder, Notes may be exchanged for other Notes of any authorized denomination or denominations of a like
aggregate principal amount upon surrender of the Notes to be exchanged at such office or agency. Whenever any Global Notes or Definitive Notes are so surrendered for exchange, the Issuer shall execute, and the Trustee shall authenticate and mail,
the replacement Global Notes and Definitive Notes which the Holder making the exchange is entitled to in accordance with the provisions of Section 2.2 hereof. 
 (ix) All certifications, certificates and Opinions of Counsel required to be submitted to the Registrar pursuant to this Section 2.6 to effect a registration of transfer or exchange may be
submitted by facsimile. 
 SECTION 2.7. Replacement Notes. 

If a mutilated Note is surrendered to the Trustee or if the Holder of a Note claims that the Note has been lost, destroyed or wrongfully
taken, the Issuer shall issue and the Trustee shall authenticate a replacement Note and the Subsidiary Guarantors shall execute a Subsidiary Guarantee thereon if the Trustee’s requirements are met. If required by the Trustee or the Issuer, such
Holder must provide an indemnity bond or other indemnity of reasonable tenor, sufficient in the reasonable judgment of the Issuer, the Subsidiary Guarantors and the Trustee, to protect the Issuer, the Subsidiary Guarantors, the Trustee or any Agent
from 

  
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any loss which any of them may suffer if a Note is replaced. Every replacement Note shall constitute an additional obligation of the Issuer and the Subsidiary Guarantors. 

SECTION 2.8. Outstanding Notes. 

Notes outstanding at any time are all the Notes that have been authenticated by the Trustee except those canceled by it, those delivered
to it for cancellation, those reductions in the interest in a Global Note effected by the Trustee in accordance with the provisions hereof and those described in this Section as not outstanding. Subject to the provisions of Section 2.9,
a Note does not cease to be outstanding because the Issuer or any of its Affiliates holds the Note. 
 If a Note is replaced
pursuant to Section 2.7 (other than a mutilated Note surrendered for replacement), it ceases to be outstanding unless the Trustee receives proof satisfactory to it that the replaced Note is held by a bona fide purchaser for value. A
mutilated Note ceases to be outstanding upon surrender of such Note and replacement thereof pursuant to Section 2.7. 
 If on a Redemption Date or the Maturity Date the Paying Agent (other than the Issuer, a Subsidiary or an Affiliate of any thereof) holds U.S. Legal Tender or U.S. Government Obligations sufficient to pay
all of the principal, premium, if any, and interest due on the Notes payable on that date and is not prohibited from paying such money to the Holders thereof pursuant to the terms of this Indenture, then on and after that date such Notes shall be
deemed not to be outstanding and interest on them shall cease to accrue. 
 SECTION 2.9. Treasury
Notes. 
 In determining whether the Holders of the required principal amount of Notes have concurred in any
direction, waiver, consent or notice, Notes owned by the Issuer or any Subsidiary Guarantor or an Affiliate of the Issuer or any Subsidiary Guarantor shall be considered as though they are not outstanding, except that for the purposes of determining
whether the Trustee shall be protected in relying on any such direction, waiver or consent, only Notes which a Trust Officer of the Trustee actually knows are so owned shall be so considered. The Issuer shall notify the Trustee, in writing, when, to
its knowledge, any of its Affiliates repurchase or otherwise acquire Notes, of the aggregate principal amount of such Notes so repurchased or otherwise acquired and such other information as the Trustee may reasonably request and the Trustee shall
be entitled to rely thereon. 
 SECTION 2.10. Temporary Notes. 

Until definitive Notes are ready for delivery, the Issuer may prepare and the Trustee shall authenticate temporary Notes upon receipt of
a written order of the Issuer in the form of an Officer’s Certificate. The Officer’s Certificate shall specify the amount of temporary 

  
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Notes to be authenticated and the date on which the temporary Notes are to be authenticated. Temporary Notes shall be substantially in the form of definitive Notes but may have variations that
the Issuer considers appropriate for temporary Notes and so indicate in the Officer’s Certificate. Without unreasonable delay, the Issuer shall prepare, the Trustee shall authenticate and the Subsidiary Guarantors shall execute Subsidiary
Guarantees on, upon receipt of a written order of the Issuer pursuant to Section 2.2, definitive Notes in exchange for temporary Notes. 
 SECTION 2.11. Cancellation. 
 The Issuer at any
time may deliver Notes to the Trustee for cancellation. The Registrar and the Paying Agent shall forward to the Trustee any Notes surrendered to them for transfer, exchange or payment. The Trustee, or at the direction of the Trustee, the Registrar
or the Paying Agent, and no one else, shall cancel and, at the written direction of the Issuer, shall dispose, in its customary manner, of all Notes surrendered for transfer, exchange, payment or cancellation. The Trustee shall maintain a record of
all canceled Notes. Subject to Section 2.7, the Issuer may not issue new Notes to replace Notes that they have paid or delivered to the Trustee for cancellation. If either Issuer shall acquire any of the Notes, such acquisition shall not
operate as a redemption or satisfaction of the Indebtedness represented by such Notes unless and until the same are surrendered to the Trustee for cancellation pursuant to this Section 2.11. 

SECTION 2.12. Defaulted Interest. 

The Issuer will pay interest on overdue principal from time to time on demand at a rate of two percentage points per annum in excess of
the rate of interest then borne by the Notes. The Issuer shall, to the extent lawful, pay interest on overdue installments of interest (without regard to any applicable grace periods) from time to time on demand at a rate of two percentage points
per annum in excess of the rate of interest then borne by the Notes. Interest will be computed on the basis of a 360-day year comprised of twelve 30-day months, and, in the case of a partial month, the actual number of days elapsed. 

If the Issuer defaults in a payment of interest on the Notes, it shall pay the defaulted interest, plus (to the extent lawful) any
interest payable on the defaulted interest, to the Persons who are Holders on a subsequent special record date, which special record date shall be the fifteenth day next preceding the date fixed by the Issuer for the payment of defaulted interest or
the next succeeding Business Day if such date is not a Business Day. The Issuer shall notify the Trustee in writing of the amount of defaulted interest proposed to be paid on each Note and the date of the proposed payment (a “Default
Interest Payment Date”), and at the same time the Issuer shall deposit with the Trustee an amount of money equal to the aggregate amount proposed to be paid in respect of such defaulted interest or shall make arrangements satisfactory to
the Trustee for such deposit on or prior to the date of the proposed payment, such money when deposited to be held in trust for the benefit of the Persons entitled 

  
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to such defaulted interest as provided in this Section; provided, however, that in no event shall the Issuer deposit monies proposed to be paid in respect of defaulted interest
later than 11:00 a.m. New York City time of the proposed Default Interest Payment Date. At least 15 days before the subsequent special record date, the Issuer shall mail (or cause to be mailed) to each Holder, as of a recent date selected by the
Issuer, with a copy to the Trustee, a notice that states the subsequent special record date, the payment date and the amount of defaulted interest, and interest payable on such defaulted interest, if any, to be paid. Notwithstanding the foregoing,
(a) any interest which is paid prior to the expiration of the 30-day period set forth in Section 6.1(1) shall be paid to Holders as of the regular record date for the Interest Payment Date for which interest has not been paid, and
(b) the Issuer may make payment of any defaulted interest in any other lawful manner not inconsistent with the requirements of any securities exchange on which the Notes may be listed, and upon such notice as may be required by such exchange.

 SECTION 2.13. CUSIP Number. 
 The Issuer in issuing the Notes may use a “CUSIP” number, and, if so, the Trustee shall use the CUSIP number in notices of redemption or exchange as a convenience to Holders; provided,
however, that no representation is hereby deemed to be made by the Trustee as to the correctness or accuracy of the CUSIP number printed in the notice or on the Notes, and that reliance may be placed only on the other identification numbers
printed on the Notes. The Issuer shall promptly notify the Trustee of any change in the CUSIP number. 
 SECTION 2.14.
Deposit of Monies. 
 Prior to 11:00 a.m. New York City time on each Interest Payment Date, Maturity Date,
Redemption Date, Change of Control Payment Date and Asset Disposition Purchase Date, the Issuer shall have deposited with the Paying Agent in immediately available funds money sufficient to make cash payments, if any, due on such Interest Payment
Date, Maturity Date, Redemption Date, Change of Control Payment Date and Asset Disposition Purchase Date, as the case may be, in a timely manner which permits the Paying Agent to remit payment to the Holders on such Interest Payment Date, Maturity
Date, Redemption Date, Change of Control Payment Date and Asset Disposition Purchase Date, as the case may be. 
 SECTION 2.15.
Restrictive Legends. 
 (a) Legends. The following legends shall appear on the face of all Global
Notes and Definitive Notes issued under this Indenture unless specifically stated otherwise in the applicable provisions of this Indenture: 

  
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 (i) Private Placement Legend. 

(A) Except as permitted by subparagraph (B) below, each Global Note and each Definitive Note (and all Notes issued in
exchange therefor or substitution thereof) shall bear the legend in substantially the following form: 
 “THIS NOTE HAS NOT
BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE FOLLOWING SENTENCE. BY ITS ACQUISITION HEREOF OR OF A
BENEFICIAL INTEREST HEREIN, THE ACQUIRER 
 (1) REPRESENTS THAT 

(A) IT AND ANY ACCOUNT FOR WHICH IT IS ACTING IS A “QUALIFIED INSTITUTIONAL BUYER” (WITHIN THE MEANING OF RULE 144A UNDER THE
SECURITIES ACT) AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT, 
 (B) IT IS AN INSTITUTIONAL
“ACCREDITED INVESTOR” (WITHIN THE MEANING OF RULE 501(a) (1), (2), (3) OR (7) UNDER THE SECURITIES ACT) (AN “INSTITUTIONAL ACCREDITED INVESTOR”), OR 

(C) IT IS NOT A UNITED STATES PERSON (WITHIN THE MEANING OF REGULATION S UNDER THE SECURITIES ACT) AND 

(2) AGREES FOR THE BENEFIT OF THE ISSUER THAT IT WILL NOT OFFER, SELL, PLEDGE OR OTHERWISE TRANSFER THIS NOTE OR ANY BENEFICIAL INTEREST
HEREIN, EXCEPT IN ACCORDANCE WITH THE SECURITIES ACT AND ANY APPLICABLE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES AND ONLY 
 (A) TO GMX RESOURCES, INC. OR ANY OF ITS SUBSIDIARIES, 
 (B) PURSUANT TO A
REGISTRATION STATEMENT WHICH HAS BECOME EFFECTIVE UNDER THE SECURITIES ACT, 
 (C) TO A QUALIFIED INSTITUTIONAL BUYER IN
COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, 

  
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 (D) IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 OF REGULATION S UNDER THE
SECURITIES ACT, 
 (E) IN A PRINCIPAL AMOUNT OF NOT LESS THAN $250,000, TO AN INSTITUTIONAL ACCREDITED INVESTOR THAT, PRIOR TO
SUCH TRANSFER, DELIVERS TO THE TRUSTEE A DULY COMPLETED AND SIGNED CERTIFICATE (THE FORM OF WHICH MAY BE OBTAINED FROM THE TRUSTEE) RELATING TO THE RESTRICTIONS ON TRANSFER OF THIS NOTE, OR 

(F) PURSUANT TO AN EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT OR ANY OTHER AVAILABLE EXEMPTION FROM THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. 
 PRIOR TO THE REGISTRATION OF ANY TRANSFER IN ACCORDANCE WITH
(2)(C) ABOVE OR (2)(D) ABOVE, A DULY COMPLETED AND SIGNED CERTIFICATE (THE FORM OF WHICH MAY BE OBTAINED FROM THE TRUSTEE) MUST BE DELIVERED TO THE TRUSTEE. PRIOR TO THE REGISTRATION OF ANY TRANSFER IN ACCORDANCE WITH (2)(E) OR
(F) ABOVE, THE ISSUER RESERVES THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS, CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER TO DETERMINE THAT THE PROPOSED TRANSFER IS BEING MADE IN COMPLIANCE WITH THE
SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. NO REPRESENTATION OR WARRANTY IS MADE AS TO THE AVAILABILITY OF ANY RULE 144 EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.” 

(B) Notwithstanding the foregoing, any Global Note or Definitive Note issued pursuant to subparagraph (b)(iv), (c)(iii),
(c)(iv), (d)(ii), (d)(iii), (e)(ii), (e)(iii) or (f) of Section 2.6 (and all Notes issued in exchange therefor or substitution thereof) shall not bear the Private Placement Legend. 

(ii) Global Note Legend. Each Global Note shall bear a legend in substantially the following form: 

“THIS GLOBAL NOTE IS HELD BY THE DEPOSITORY (AS DEFINED IN THE INDENTURE GOVERNING THIS NOTE) OR ITS NOMINEE IN CUSTODY FOR THE
BENEFIT OF THE BENEFICIAL OWNERS HEREOF, AND IS NOT TRANSFERABLE TO 

  
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ANY PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (I) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.6(f) OR SECTION 2.6(g) OF THE INDENTURE, (II) THIS
GLOBAL NOTE MAY BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION 2.6(a) OF THE INDENTURE, (III) THIS GLOBAL NOTE MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 2.11 OF THE INDENTURE AND (IV) THIS GLOBAL NOTE MAY BE
TRANSFERRED TO A SUCCESSOR DEPOSITORY WITH THE PRIOR WRITTEN CONSENT OF THE ISSUER. UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM, THIS NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITORY TO A NOMINEE
OF THE DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR ANOTHER NOMINEE OF THE DEPOSITORY OR BY THE DEPOSITORY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITORY OR A NOMINEE OF SUCH SUCCESSOR DEPOSITORY. UNLESS THIS CERTIFICATE IS
PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) (“DTC”) TO THE ISSUER OR ITS AGENTS FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED
IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR SUCH OTHER ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.” 

(iii) Regulation S Global Note Legend. The Regulation S Global Note shall bear a legend in substantially the following form:

 “THE RIGHTS ATTACHING TO THIS REGULATION S GLOBAL NOTE, AND THE CONDITIONS AND PROCEDURES GOVERNING ITS EXCHANGE FOR
CERTIFICATED NOTES, ARE AS SPECIFIED IN THE INDENTURE (AS DEFINED HEREIN).” 

  
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 SECTION 2.16. Designation. 

The Indebtedness evidenced by the Notes and the Subsidiary Guarantees is hereby irrevocably designated as “senior indebtedness”
or such other term denoting seniority for the purposes of any other existing or future Indebtedness of the Issuer or a Subsidiary Guarantor, as the case may be, which the Issuer or such Subsidiary Guarantor, as the case may be, makes subordinate to
any senior (or such other term denoting seniority) indebtedness of such Person. 
 ARTICLE III. 

REDEMPTION 

SECTION 3.1. Notices to Trustee. 
 If the Issuer elects to redeem Notes pursuant to Paragraph 5 of the Notes, they shall notify the Trustee and the Paying Agent in writing of the Redemption Date and the principal amount of the Notes
to be redeemed. 
 The Issuer shall give each notice provided for in this Section 3.1 60 days before the
Redemption Date (unless a shorter notice period shall be satisfactory to the Trustee, as evidenced in a writing signed on behalf of the Trustee), together with an Officer’s Certificate stating that such redemption shall comply with the
conditions contained herein and in the Notes. 
 SECTION 3.2. Selection of Notes To Be Redeemed.

 If less than all of the Notes are to be redeemed at any time, selection of such Notes, or portions thereof, for redemption
will be made by the Trustee either in compliance with the requirements of the principal national securities exchange, if any, on which the Notes are listed or, if the Notes are not then listed or admitted to trading on a national securities
exchange, on a pro rata basis, by lot or by such other method as the Trustee shall deem fair and appropriate. No Notes of a principal amount of $2,000 or less shall be redeemed in part. Notice of redemption shall be mailed by first-class mail at
least 30 but not more than 60 days before the Redemption Date to each Holder of Notes to be redeemed at its registered address. If any Note is to be redeemed in part only, the notice of redemption that relates to such Note shall state the portion of
the principal amount thereof to be redeemed. A new Note in a principal amount equal to the unredeemed portion thereof will be issued in the name of the Holder thereof upon cancellation of the original Note. On and after the applicable Redemption
Date, interest will cease to accrue on Notes or portions thereof called for redemption unless the Issuer shall default in payment thereof. 

  
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 SECTION 3.3. Optional Redemption. 

(a) Except as set forth in Section 3.3(b) and (c), the Issuer will not be entitled to redeem the Notes at its option
prior to February 15, 2015. The Notes will be redeemable, at the Issuer’s option, in whole at any time or in part from time to time, on and after February 15, 2015, upon not less than 30 nor more than 60 prior days’ notice, at
the following Redemption Prices (expressed as a percentage of the principal amount of the Notes) plus accrued and unpaid interest on the Notes, if any, to the applicable Redemption Date (subject to the right of Holders of record on the relevant
Record Date to receive interest due on the relevant Interest Payment Date), if redeemed during the twelve-month period beginning on February 15 of the years set forth below: 

 

					
	 Year
	  	Percentage	 
	 2015
	  	 	108.531	% 
	 2016
	  	 	105.688	% 
	 2017
	  	 	102.844	% 
	 2018 and thereafter
	  	 	100.000	% 

 (b) At any time on or
prior to February 15, 2014, the Issuer may, at its option, on any one or more occasions redeem up to 35% of the aggregate principal amount of the Notes (including Additional Notes) issued under this Indenture with the Net Cash Proceeds of one
or more Equity Offerings at a Redemption Price of 111.375% of the principal amount thereof, plus accrued and unpaid interest, if any, and Liquidated Damages, if any, to the Redemption Date (subject to the right of Holders of record on the relevant
Record Date to receive interest due on the relevant Interest Payment Date); provided that: 
 (1) at least 65% of the
original principal amount of the Notes issued on the Issue Date remains outstanding after each such redemption; and 
 (2) the
redemption occurs within 90 days after the closing of the related Equity Offering. 
 (c) In addition, the Notes may be
redeemed, in whole or in part, at any time prior to February 15, 2015 at the option of the Issuer upon not less than 30 nor more than 60 days’ prior notice mailed by first-class mail to each Holder at its registered address, at a
Redemption Price equal to 100% of the principal amount of the Notes redeemed plus the Applicable Premium as of, and accrued and unpaid interest to, the applicable Redemption Date (subject to the right of Holders of record on the relevant Record Date
to receive interest due on the relevant Interest Payment Date). 

  
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 SECTION 3.4. Notice of Redemption. 

In connection with a redemption pursuant to Section 3.3, at least 30 days but not more than 60 days before a Redemption
Date, the Issuer shall mail or cause to be mailed a notice of redemption by first-class mail to each Holder of Notes to be redeemed at its registered address, with a copy to the Trustee and any Paying Agent. At the Issuer’s request, the Trustee
shall give the notice of redemption in the Issuer’s name and at the Issuer’s expense. The Issuer shall provide such notices of redemption to the Trustee at least three Business Days before the intended mailing date. 

Each notice of redemption shall identify (including the CUSIP number) the Notes to be redeemed and shall state: 

(1) the Redemption Date; 
 (2) the Redemption Price and the amount of unpaid accrued interest, if any, to be paid; 
 (3) the name and address of the Paying Agent; 
 (4) the
subparagraph of the Notes pursuant to which such redemption is being made; 
 (5) that Notes called for
redemption must be surrendered to the Paying Agent to collect the Redemption Price plus unpaid accrued interest, if any; 
 (6) that, unless the Issuer defaults in making the redemption payment, interest on Notes or applicable portions thereof called for redemption ceases to accrue on and after the Redemption Date, and the
only remaining right of the Holders of such Notes is to receive payment of the Redemption Price plus unpaid accrued interest as of the Redemption Date, if any, upon surrender to the Paying Agent of the Notes redeemed; 

(7) if any Note is being redeemed in part, the portion of the principal amount of such Note to be redeemed and that, after
the Redemption Date, and upon surrender of such Note, a new Note or Notes in the aggregate principal amount equal to the unredeemed portion thereof will be issued; and 

(8) if fewer than all the Notes are to be redeemed, the identification of the particular Notes (or portion thereof) to be
redeemed, as well as the aggregate principal amount of Notes to be redeemed and the aggregate principal amount of Notes to be outstanding after such partial redemption. 

  
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 The Issuer will comply with the requirements of Rule 14e-1 under the Exchange Act and any
other securities laws and regulations thereunder to the extent such laws and regulations are applicable in connection with the purchase of Notes. 
 SECTION 3.5. Effect of Notice of Redemption. 
 Once notice of
redemption is mailed in accordance with Section 3.4, such notice of redemption shall be irrevocable and Notes called for redemption shall become due and payable on the Redemption Date and at the Redemption Price plus unpaid accrued
interest and Liquidated Damages, if any, as of such date, if any. Upon surrender to the Trustee or Paying Agent, such Notes called for redemption shall be paid at the Redemption Price plus unpaid accrued interest and Liquidated Damages thereon to
the Redemption Date, but installments of interest, the maturity of which is on or prior to the Redemption Date, shall be payable to Holders of record at the close of business on the relevant Record Dates referred to in the Notes. Interest shall
accrue on or after the Redemption Date and shall be payable only if the Issuer defaults in payment of the Redemption Price. 

SECTION 3.6. Deposit of Redemption Price. 
 On or before the Redemption Date and in accordance with Section 2.14, the Issuer shall deposit with the Paying Agent U.S. Legal Tender sufficient to pay the Redemption Price plus unpaid
accrued interest and Liquidated Damages, if any, of all Notes to be redeemed on that date. The Paying Agent shall promptly return to the Issuer any U.S. Legal Tender so deposited which is not required for that purpose, except with respect to monies
owed as obligations to the Trustee pursuant to Article VII. 
 Unless the Issuer fails to comply with the preceding paragraph
and defaults in the payment of such Redemption Price plus unpaid accrued interest, if any, interest on the Notes to be redeemed will cease to accrue on and after the applicable Redemption Date, whether or not such Notes are presented for payment.

 SECTION 3.7. Notes Redeemed in Part. 

Upon surrender of a Note that is to be redeemed in part, the Trustee shall authenticate for the Holder a new Note or Notes equal in
principal amount to the unredeemed portion of the Note surrendered. 

  
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 ARTICLE IV. 
 COVENANTS 
 SECTION 4.1. Payment of Notes. 

(a) The Issuer shall pay the principal of, premium, if any, and interest and Liquidated Damages, if any, on the Notes on the dates and in
the manner provided in the Notes and in this Indenture. 
 (b) An installment of principal of or interest on the Notes shall be
considered paid on the date it is due if the Trustee or Paying Agent (other than the Issuer or any of its Affiliates) holds, prior to 11:00 a.m. New York City time on that date, U.S. Legal Tender designated for and sufficient to pay the installment
in full and is not prohibited from paying such money to the Holders pursuant to the terms of this Indenture or the Notes. 
 (c)
Notwithstanding anything to the contrary contained in this Indenture, the Issuer may, to the extent it is required to do so by law, deduct or withhold income or other similar taxes imposed by the United States of America from principal or interest
payments under this Indenture. 
 SECTION 4.2. Maintenance of Office or Agency. 

The Issuer shall maintain the office or agency required under Section 2.3. The Issuer shall give prior written notice to the
Trustee of the location, and any change in the location, of such office or agency. If at any time the Issuer shall fail to maintain any such required office or agency or shall fail to furnish the Trustee with the address thereof, such presentations,
surrenders, notices and demands may be made or served at the address of the Trustee set forth in Section 11.2. 

SECTION 4.3. Organizational Existence. 
 Except as otherwise permitted by Article V, the Issuer shall do or cause to be done, at its own cost and expense, all things necessary to preserve and keep in full force and effect its organizational
existence and the organizational existence of each of its Restricted Subsidiaries in accordance with the respective organizational documents of each such Restricted Subsidiary and the material rights (charter and statutory) and franchises of the
Issuer and each such Restricted Subsidiary; provided, however, that the Issuer shall not be required to preserve, with respect to itself, any material right or franchise and, with respect to any of its Restricted Subsidiaries, any such
existence, material right or franchise, if the Board of Directors of the Issuer shall determine in good faith that the preservation thereof is no longer desirable in the conduct of the business of the Issuer and its Subsidiaries, taken as a whole.


  
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 SECTION 4.4. Payment of Taxes and Other Claims. 

The Issuer shall pay or discharge or cause to be paid or discharged, before the same shall become delinquent, (i) all material
taxes, assessments and governmental charges (including withholding taxes and any penalties, interest and additions to taxes) levied or imposed upon it or any of its Restricted Subsidiaries or properties of it or any of its Restricted Subsidiaries
and (ii) all material lawful claims for labor, materials and supplies that, if unpaid, might by law become a Lien upon the property of the Issuer or any of its Restricted Subsidiaries; provided, however, that the Issuer shall not
be required to pay or discharge or cause to be paid or discharged any such tax, assessment, charge or claim whose amount, applicability or validity is being contested in good faith by appropriate negotiations or proceedings properly instituted and
diligently conducted for which adequate reserves, to the extent required under GAAP, have been taken. 
 SECTION 4.5.
Maintenance of Properties and Insurance. 
 (a) The Issuer shall, and shall cause each of the Restricted
Subsidiaries to, maintain all properties used or useful in the conduct of its business in good working order and condition (subject to ordinary wear and tear) and make all necessary repairs, renewals, replacements, additions, betterments and
improvements thereto and actively conduct and carry on its business; provided, however, that nothing in this Section 4.5 shall prevent the Issuer or any of the Restricted Subsidiaries from discontinuing the operation and
maintenance of any of its properties, if such discontinuance is (i) in the ordinary course of business pursuant to customary business terms or (ii) in the good faith judgment of the respective Boards of Directors or other governing body of
the Issuer or Restricted Subsidiary, as the case may be, desirable in the conduct of their respective businesses and is not disadvantageous in any material respect to the Holders. 

(b) The Issuer shall provide or cause to be provided, for itself and each of the Restricted Subsidiaries, insurance (including
appropriate self-insurance) against loss or damage of the kinds that, in the good faith judgment of the Issuer, are adequate and appropriate for the conduct of the business of the Issuer and its Restricted Subsidiaries in a prudent manner, with
reputable insurers or with the government of the United States of America, Canada or an agency or instrumentality thereof, in such amounts, with such deductibles, and by such methods as shall be customary, in the good faith judgment of the Issuer,
for companies similarly situated in the industry. 
 SECTION 4.6. Compliance Certificate; Notice of
Default. 
 (a) The Issuer and each Subsidiary Guarantor (the extent that such Subsidiary Guarantor is so required
under the TIA) shall deliver to the Trustee, within 120 days after the end of each of its fiscal years, an Officer’s Certificate (provided, however, that the signatory to each such Officer’s Certificate must state that he or
she is the Issuer’s principal 

  
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executive officer, principal financial officer or principal accounting officer), as to such Officers’ knowledge, without independent investigation, of the Issuer’s compliance with all
conditions and covenants under this Indenture (without regard to any period of grace or requirement of notice provided under this Indenture) and in the event any Default under this Indenture exists, such Officers shall specify the nature of such
Default. Each such Officer’s Certificate shall also notify the Trustee should the Issuer elect to change the manner in which it fixes its fiscal year end. 
 (b) So long as not contrary to the then current recommendations of the American Institute of Certified Public Accountants, the annual financial statements delivered pursuant to Section 4.8
shall be accompanied by a written report of the Issuer’s independent certified public accountants (who shall be a firm of established national reputation) stating (A) that their audit examination has included a review of the terms of this
Indenture and the form of the Notes as they relate to accounting matters, and (B) whether, in connection with their audit examination, any Default or Event of Default has come to their attention and if such a Default or Event of Default has
come to their attention, specifying the nature and period of existence thereof; provided, however, that, without any restriction as to the scope of the audit examination, such independent certified public accountants shall not be
liable by reason of any failure to obtain knowledge of any such Default or Event of Default that would not be disclosed in the course of an audit examination conducted in accordance with generally accepted auditing standards. 

(c) (i) If any Default or Event of Default has occurred and is continuing or (ii) if any Holder seeks to exercise any remedy under
this Indenture with respect to a claimed Default under this Indenture or the Notes, the Issuer shall deliver to the Trustee, at its address set forth in Section 11.2 hereof, by registered or certified mail or by facsimile transmission
followed by hard copy by registered or certified mail an Officer’s Certificate specifying such event, notice or other action within 30 days of the occurrence thereof. 
 SECTION 4.7. Compliance with Laws. 
 The Issuer shall comply,
and shall cause each of its Restricted Subsidiaries to comply, with all applicable statutes, rules, regulations, orders and restrictions of the United States of America, all states and municipalities thereof, and of any governmental department,
commission, board, regulatory authority, bureau, agency and instrumentality of the foregoing, in respect of the conduct of its respective businesses and the ownership of its respective properties, except for such noncompliances as could not singly
or in the aggregate reasonably be expected to have a material adverse effect on the financial condition or results of operations of the Issuer and the Restricted Subsidiaries taken as a whole. 

  
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 SECTION 4.8. Reports to Holders. 

(a) Whether or not the Issuer is subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act, to the extent not
prohibited by the Exchange Act, the Issuer will file with the SEC, and make available to the Trustee and the registered Holders without cost to any Holder, the annual reports and the information, documents and other reports (or copies of such
portions of any of the foregoing as the SEC may by rules and regulations prescribe) that are specified in Sections 13 and 15(d) of the Exchange Act and applicable to a U.S. corporation within the time periods specified therein with respect to a
non-accelerated filer. In the event that the Issuer is not permitted to file such reports, documents and information with the SEC pursuant to the Exchange Act, the Issuer will nevertheless make available such Exchange Act information to the Trustee
and the Holders without cost to any Holder as if the Issuer were subject to the reporting requirements of Section 13 or 15(d) of the Exchange Act within the time periods specified therein with respect to a non-accelerated filer. 

(b) If the Issuer has designated any of its Subsidiaries as Unrestricted Subsidiaries, then the quarterly and annual financial
information required by the preceding paragraph shall include a reasonably detailed presentation, either on the face of the financial statements or in the footnotes to the financial statements and in Management’s Discussion and Analysis of
Results of Operations and Financial Condition, of the financial condition and results of operations of the Issuer and its Restricted Subsidiaries. 
 (c) In addition, the Issuer and the Subsidiary Guarantors have agreed that they will make available to the Holders and to prospective investors, upon the request of such Holders, the information required
to be delivered pursuant to Rule 144A(d)(4) under the Securities Act so long as the Notes are not freely transferable under the Securities Act to the extent not satisfied by the foregoing. For purposes of this Section 4.8, the Issuer and
the Subsidiary Guarantors will be deemed to have furnished the reports to the Trustee and the Holders of Notes as required by this Section 4.8 if the Issuer has filed such reports with the SEC via the EDGAR filing system and such reports
are publicly available. 
 (d) Notwithstanding the foregoing, such requirements shall be deemed satisfied prior to the
commencement of the Registered Exchange Offer or the effectiveness of the Shelf Registration Statement by the filing with the SEC of the Exchange Offer Registration Statement or Shelf Registration Statement, and any amendments thereto, with such
financial information that satisfies Regulation S-X of the Securities Act within the time period specified by the Registration Rights Agreement. 
 SECTION 4.9. Waiver of Stay, Extension or Usury Laws. 
 The
Issuer and each of the Subsidiary Guarantors covenants (to the extent that it may lawfully do so) that it will not at any time insist upon, plead, or in any manner whatsoever 

  
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claim or take the benefit or advantage of, any stay or extension law or any usury law or other law that would prohibit or forgive the Issuer from paying all or any portion of the principal of or
interest or Liquidated Damages, if any, on the Notes as contemplated herein, wherever enacted, now or at any time hereafter in force, or which may affect the covenants or the performance of this Indenture; and (to the extent that it may lawfully do
so) the Issuer and each of the Subsidiary Guarantors hereby expressly waives all benefit or advantage of any such law, and covenants that it will not hinder, delay or impede the execution of any power herein granted to the Trustee, but will suffer
and permit the execution of every such power as though no such law had been enacted. 
 SECTION 4.10. Limitation on
Restricted Payments. 
 The Issuer will not, and will not permit any of its Restricted Subsidiaries, directly or
indirectly, to: 
 (1) declare or pay any dividend or make any payment or distribution on or in respect of the
Issuer’s Capital Stock (including any payment or distribution in connection with any merger or consolidation involving the Issuer or any of its Restricted Subsidiaries) except: 

(a) dividends or distributions by the Issuer payable solely in Capital Stock of the Issuer (other than Disqualified Stock)
or in options, warrants or other rights to purchase such Capital Stock of the Issuer; and 
 (b) dividends or
distributions payable to the Issuer or a Restricted Subsidiary and if such Restricted Subsidiary is not a Wholly-Owned Subsidiary, to minority shareholders (or owners of an equivalent interest in the case of a Subsidiary that is an entity other than
a corporation) so long as the Issuer or a Restricted Subsidiary receives at least its pro rata share of such dividend or distribution; 
 (2) purchase, redeem, defease, retire or otherwise acquire for value any Capital Stock of the Issuer or any direct or indirect parent of the Issuer held by Persons other than the Issuer or a Restricted
Subsidiary (other than in exchange for Capital Stock of the Issuer (other than Disqualified Stock)); 
 (3)
purchase, repurchase, redeem, defease or otherwise acquire or retire for value, prior to scheduled maturity, scheduled repayment or scheduled sinking fund payment, any Subordinated Obligations or Guarantor Subordinated Obligations (other than
(x) Indebtedness permitted under clause (3) of the second paragraph of Section 4.12 or (y) the purchase, repurchase, redemption, defeasance or other acquisition or retirement of Subordinated Obligations or Guarantor
Subordinated Obligations of the Issuer or any Restricted Subsidiary purchased in anticipation of satisfying a sinking fund 

  
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obligation, principal installment or final maturity, in each case due within one year of the date of purchase, repurchase, redemption, defeasance or other acquisition or retirement); 

(4) pay any dividend or distribution on any Capital Stock of any Restricted Subsidiary to any Person (other than
(a) to the Issuer or any of its Wholly-Owned Subsidiaries or any Subsidiary Guarantor or (b) dividends or distributions made by a Restricted Subsidiary on a pro rata basis to all holders of such Capital Stock of such Restricted
Subsidiary); or 
 (5) make any Restricted Investment in any Person; 

(any such dividend, distribution, purchase, redemption, repurchase, defeasance, other acquisition, retirement or Restricted Investment referred to in
clauses (1) through (5) shall be referred to herein as a “Restricted Payment”), if at the time the Issuer or such Restricted Subsidiary makes such Restricted Payment: 

(a) a Default shall have occurred and be continuing (or would result therefrom); 

(b) the Issuer is not able to Incur an additional $1.00 of Indebtedness pursuant to the first paragraph of
Section 4.12 after giving effect, on a pro forma basis, to such Restricted Payment; or 
 (c) the
aggregate amount of such Restricted Payment and all other Restricted Payments declared or made subsequent to the Issue Date would exceed the sum of: 
 (i) 50% of Consolidated Net Income for the period (treated as one accounting period) from January 1, 2011 to the end of the most recent fiscal quarter ending prior to the date of such Restricted
Payment for which internal financial statements are in existence (or, in case such Consolidated Net Income is a deficit, minus 100% of such deficit); 
 (ii) 100% of the aggregate Net Cash Proceeds, and the fair market value (as determined by the Issuer’s Board of Directors in good faith) of property or securities other than cash (including Capital
Stock of Persons engaged primarily in the Oil and Gas Business or assets used in the Oil and Gas Business), in each case received by the Issuer from the issue or sale of its Capital Stock (other than Disqualified Stock) or other capital
contributions subsequent to the Issue Date (other than Net Cash Proceeds received from an issuance or sale of such Capital Stock to (x) management, employees, directors or any direct or indirect parent of the Issuer, to the extent such Net Cash
Proceeds have 

  
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been used to make a Restricted Payment pursuant to clause (5)(a) of the next succeeding paragraph, (y) a Subsidiary of the Issuer or (z) an employee stock ownership plan, option
plan or similar trust to the extent such sale to an employee stock ownership plan, option plan or similar trust is financed by loans from or Guaranteed by the Issuer or any Restricted Subsidiary (unless such loans have been repaid with cash on or
prior to the date of determination)); 
 (iii) the amount by which Indebtedness of the Issuer or its Restricted
Subsidiaries is reduced on the Issuer’s balance sheet upon the conversion or exchange (other than by a Subsidiary of the Issuer) subsequent to the Issue Date of any Indebtedness of the Issuer or its Restricted Subsidiaries convertible or
exchangeable for Capital Stock (other than Disqualified Stock) of the Issuer (less the amount of any cash, or the fair market value of any other property (other than such Capital Stock), distributed by the Issuer upon such conversion or exchange and
excluding the Net Cash Proceeds from the conversion or exchange financed, directly or indirectly, using funds borrowed from the Issuer or any Subsidiary), together with the net proceeds, if any, received by the Issuer or any of its Restricted
Subsidiaries upon such conversion or exchange; and 
 (iv) the amount equal to the aggregate net reduction in
Restricted Investments made by the Issuer or any of its Restricted Subsidiaries in any Person resulting from: 

(A) repurchases, repayments or redemptions of such Restricted Investments by such Person, proceeds realized upon the sale
of such Restricted Investment (other than to a Subsidiary of the Issuer), repayments of loans or advances or other transfers of assets (including by way of dividend or distribution) by such Person to the Issuer or any Restricted Subsidiary;

 (B) the redesignation of Unrestricted Subsidiaries as Restricted Subsidiaries (valued in each case as
provided in the definition of “Investment”) not to exceed, in the case of any Unrestricted Subsidiary, the amount of Investments previously made by the Issuer or any Restricted Subsidiary in such Unrestricted Subsidiary, which amount in
each case under this clause (iv) was included in the calculation of the amount of Restricted Payments; provided, however, that no amount will be included under this clause (iv) to the extent it is already included in Consolidated
Net Income; and 
 (C) the sale (other than to the Issuer or a Restricted Subsidiary) of the Capital Stock of an
Unrestricted Subsidiary or a distribution 

  
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from an Unrestricted Subsidiary or a dividend from an Unrestricted Subsidiary to the Issuer or a Restricted Subsidiary. 
 The provisions of the preceding paragraph will not prohibit: 
 (1)
any Restricted Payment made by exchange for, or out of the proceeds of the substantially concurrent sale of, Capital Stock of the Issuer (other than Disqualified Stock and other than Capital Stock issued or sold to a Subsidiary or an employee stock
ownership plan or similar trust to the extent such sale to an employee stock ownership plan or similar trust is financed by loans from or Guaranteed by the Issuer or any Restricted Subsidiary unless such loans have been repaid with cash on or prior
to the date of determination) or a substantially concurrent cash capital contribution received by the Issuer from its shareholders; provided, however, that (a) such Restricted Payment will be excluded from subsequent calculations of the
amount of Restricted Payments and (b) the Net Cash Proceeds from such sale of Capital Stock or capital contribution will be excluded from clause (c)(ii) of the preceding paragraph; 

(2) any purchase, repurchase, redemption, defeasance or other acquisition or retirement of Subordinated Obligations of the
Issuer or Guarantor Subordinated Obligations of any Subsidiary Guarantor made by exchange for, or out of the proceeds of the substantially concurrent sale of, Subordinated Obligations of the Issuer or any Guarantor Subordinated Obligations that, in
each case, is permitted to be Incurred pursuant to Section 4.12; provided, however, that such purchase, repurchase, redemption, defeasance, acquisition or retirement will be excluded from subsequent calculations of the amount of
Restricted Payments; 
 (3) any purchase, repurchase, redemption, defeasance or other acquisition or retirement
of Disqualified Stock of the Issuer or a Restricted Subsidiary made by exchange for, or out of the proceeds of the substantially concurrent sale of, Disqualified Stock of the Issuer or such Restricted Subsidiary, as the case may be, that, in each
case, is permitted to be Incurred pursuant to Section 4.12; provided, however, that such purchase, repurchase, redemption, defeasance, acquisition or retirement will be excluded from subsequent calculations of the amount of
Restricted Payments; 
 (4) dividends paid or distributions made within 60 days after the date of declaration if
at such date of declaration such dividend or distribution would have complied with this Section 4.10; provided, however, that such dividends and distributions will be included in subsequent calculations of the amount of Restricted
Payments; and provided, however, that for purposes of clarification, this clause (4) shall not include cash payments in lieu of the issuance of fractional shares included in clause (9) below; 

  
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 (5) (a) so long as no Default has occurred and is continuing, the
purchase of Capital Stock, or options, warrants, equity appreciation rights or other rights to purchase or acquire Capital Stock of the Issuer or any Restricted Subsidiary held by any existing or former employees, management or directors of the
Issuer or any Subsidiary of the Issuer or their assigns, estates or heirs, in each case in connection with the repurchase provisions under employee stock option or stock purchase agreements or other agreements to compensate management, employees or
directors; provided that such redemptions or repurchases pursuant to this clause (5)(a) during any calendar year will not exceed $2.0 million in the aggregate; provided further, that such amount in any calendar year may be
increased by an amount not to exceed (i) the cash proceeds received by the Issuer from the sale of Capital Stock of the Issuer to members of management or directors of the Issuer and its Restricted Subsidiaries that occurs after the Issue Date
(to the extent the cash proceeds from the sale of such Capital Stock have not otherwise been applied to the payment of Restricted Payments by virtue of the clause (c) of the preceding paragraph), plus (ii) the cash proceeds of key man life
insurance policies received by the Issuer and its Restricted Subsidiaries after the Issue Date, less (iii) the amount of any Restricted Payments made pursuant to subclauses (i) and (ii) of this clause (5)(a); provided further,
however, that the amount of any such repurchase or redemption under this clause (5)(a) will be excluded in subsequent calculations of the amount of Restricted Payments and the proceeds received from any such sale will be excluded from
clause (c)(ii) of the preceding paragraph; and 
 (b) the cancellation of loans or advances to employees or
directors of the Issuer or any Subsidiary of the Issuer the proceeds of which are used to purchase Capital Stock of the Issuer, in an aggregate amount not in excess of $2.0 million at any one time outstanding; provided, however, that the
Issuer and its Subsidiaries will comply in all material respects with all applicable provisions of the Sarbanes-Oxley Act of 2002 and the rules and regulations promulgated in connection therewith in connection with such loans or advances;
provided, further, that the amount of such cancelled loans and advances will be included in subsequent calculations of the amount of Restricted Payments; 
 (6) repurchases, redemptions or other acquisitions or retirements for value of Capital Stock deemed to occur upon the exercise of stock options, warrants, rights to acquire Capital Stock or other
convertible securities if such Capital Stock represents a portion of the exercise or exchange price thereof, and any repurchases, redemptions or other acquisitions or retirements for value of Capital Stock made in lieu of withholding taxes in
connection with any exercise or exchange of warrants, options or rights to acquire Capital Stock or vesting of restricted Capital Stock; provided, however, that such repurchases will be excluded from subsequent calculations of the amount of
Restricted Payments; 

  
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 (7) the purchase, repurchase, redemption, defeasance or other acquisition or
retirement for value of any Subordinated Obligation (i) at a purchase price not greater than 101% of the principal amount of such Subordinated Obligation in the event of a Change of Control in accordance with provisions similar to
Section 4.15 or (ii) at a purchase price not greater than 100% of the principal amount thereof in accordance with provisions similar to Section 4.16; provided that, prior to or simultaneously with such purchase,
repurchase, redemption, defeasance or other acquisition or retirement, the Issuer has made the Change of Control Offer or Asset Disposition Offer, as applicable, as provided in Section 4.16 with respect to the Notes and has completed the
repurchase or redemption of all Notes validly tendered for payment in connection with such Change of Control Offer or Asset Disposition Offer; provided, however, that such repurchases will be included in subsequent calculations of the amount
of Restricted Payments; 
 (8) payments or distributions to dissenting shareholders pursuant to applicable law or
in connection with the settlement or other satisfaction of legal claims made pursuant to or in connection with a consolidation, merger or transfer of assets; provided, however, that any payment pursuant to this clause (8) shall be
included in the calculation of the amount of Restricted Payments; 
 (9) cash payments in lieu of the issuance of
fractional shares; provided, however, that any payment pursuant to this clause (9) shall be excluded in the calculation of the amount of Restricted Payments; 

(10) the redemption of any of the Issuer’s shares of 9.25% Series B Cumulative Preferred Stock after a “Change
of Ownership or Control” as required by the Certificate of Designation of the 9.25% Series B Cumulative Preferred Stock of the Issuer dated August 8, 2006 (as it may be amended from time to time) with the Net Cash Proceeds from the
issuance or sale of Subordinated Obligations or Capital Stock (other than Disqualified Stock) after such Change of Ownership or Control has occurred or made in advance thereof in connection with, or in anticipation or contemplation of, such Change
of Ownership or Control; 
 (11) the purchase, repurchase, redemption, defeasance or other acquisition or
retirement for value of up to $75.0 million aggregate principal amount of the Issuer’s 5.00% Convertible Senior Notes pursuant to the Tender Offer; provided, however, that any payment pursuant to this clause (11) shall be excluded
in the calculation of the amount of Restricted Payments; 
 (12) the declaration and payment of dividends or
distributions to holders of the Issuer’s 9.25% Series B Cumulative Preferred Stock; provided, however, that such dividends and distributions shall be included in the calculation of the amount of Restricted Payments; and provided,
however, that for purposes of clarification, this 

  
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clause (12) shall not include cash payments in lieu of the issuance of fractional shares included in clause (9) above; or 

(13) Restricted Payments in an amount not to exceed $10.0 million at any one time outstanding; provided, however,
that the amount of such Restricted Payments will be included in subsequent calculations of the amount of Restricted Payments. 

The amount of all Restricted Payments (other than cash) shall be the fair market value on the date of such Restricted Payment of the
asset(s) or securities proposed to be paid, transferred or issued by the Issuer or such Restricted Subsidiary, as the case may be, pursuant to such Restricted Payment. The fair market value of any cash Restricted Payment shall be its face amount and
the fair market value of any non-cash Restricted Payment shall be determined conclusively by the Board of Directors of the Issuer acting in good faith whose resolution with respect thereto shall be delivered to the Trustee, such determination to be
based upon an opinion or appraisal issued by an accounting, appraisal or investment banking firm of national standing if such fair market value is estimated in good faith by the Board of Directors of the Issuer to exceed $20.0 million. Not later
than the date of making any Restricted Payment, the Issuer shall deliver to the Trustee an Officer’s Certificate stating that such Restricted Payment is permitted and setting forth the basis upon which the calculations required by
Section 4.10 were computed, together with a copy of any fairness opinion or appraisal required by this Indenture. 

As of the Issue Date, all of the Issuer’s Subsidiaries will be Restricted Subsidiaries other than Endeavor Gathering, LLC. The
Issuer will not permit any Unrestricted Subsidiary to become a Restricted Subsidiary except pursuant to the last sentence of the definition of “Unrestricted Subsidiary.” For purpose of designating any Restricted Subsidiary as an
Unrestricted Subsidiary, all outstanding Investments by the Issuer and its Restricted Subsidiaries (except to the extent repaid) in the Subsidiary so designated will be deemed to be Restricted Payments in an amount determined as set forth in the
last sentence of the definition of “Investment.” Such designation will be permitted only if a Restricted Payment in such amount would be permitted at such time, whether pursuant to the first paragraph of this Section 4.10 or
under clause (13) of the second paragraph of this Section 4.10, or pursuant to the definition of “Permitted Investments,” and if such Subsidiary otherwise meets the definition of an Unrestricted Subsidiary. Unrestricted
Subsidiaries will not be subject to any of the restrictive covenants set forth in this Indenture. 
 SECTION 4.11.
Limitations on Affiliate Transactions. 
 The Issuer will not, and will not permit any of its Restricted
Subsidiaries to, directly or indirectly, enter into, make, amend or conduct any transaction (including making a payment to, the purchase, sale, lease or exchange of any property or the rendering of any service), contract, agreement or understanding
with or for the benefit of any Affiliate of the Issuer (an “Affiliate Transaction”) unless: 

  
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 (1) the terms of such Affiliate Transaction are no less favorable to the
Issuer or such Restricted Subsidiary, as the case may be, than those that could be obtained in a comparable transaction at the time of such transaction in arm’s-length dealings with a Person who is not such an Affiliate; 

(2) if such Affiliate Transaction involves an aggregate consideration in excess of $10.0 million, the terms of such
transaction have been approved by a majority of the members of the Board of Directors of the Issuer and by a majority of the members of such Board of Directors having no personal stake in such transaction, if any (and such majority or majorities, as
the case may be, determines that such Affiliate Transaction satisfies the criteria in clause (1) above); and 
 (3) if such Affiliate Transaction involves an aggregate consideration in excess of $20.0 million, the Board of Directors of the Issuer has received a written opinion from an independent investment
banking, accounting or appraisal firm of nationally recognized standing that such Affiliate Transaction is fair, from a financial standpoint, to the Issuer or such Restricted Subsidiary or is not materially less favorable than those that could
reasonably be expected to be obtained in a comparable transaction at such time on an arm’s-length basis from a Person that is not an Affiliate. 
 The preceding paragraph will not apply to: 
 (1) any Restricted
Payment permitted to be made pursuant to Section 4.10; 
 (2) any issuance of Capital Stock (other
than Disqualified Stock), or other payments, awards or grants in cash, Capital Stock (other than Disqualified Stock) or otherwise pursuant to, or the funding of, employment or severance agreements and other compensation arrangements, options to
purchase Capital Stock (other than Disqualified Stock) of the Issuer, restricted stock plans, long-term incentive plans, stock appreciation rights plans, participation plans or similar employee benefits plans and/or indemnity provided on behalf of
officers and employees approved by the Board of Directors of the Issuer; 
 (3) loans or advances to employees,
officers or directors in the ordinary course of business of the Issuer or any of its Restricted Subsidiaries up to $2.0 million individually to the extent permitted by applicable law; 

(4) any transaction between the Issuer and a Restricted Subsidiary or between Restricted Subsidiaries and Guarantees
issued by the Issuer or a Restricted Subsidiary for the benefit of the Issuer or a Restricted Subsidiary, as the case may be, in accordance with Section 4.12; 

  
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 (5) any transaction with a joint venture or similar entity which would
constitute an Affiliate Transaction solely because the Issuer or a Restricted Subsidiary owns, directly or indirectly, an equity interest in or otherwise controls such joint venture or similar entity; 

(6) the issuance or sale of any Capital Stock (other than Disqualified Stock) of the Issuer or the receipt by the Issuer
of any capital contribution from its shareholders; 
 (7) indemnities of officers, directors and employees of the
Issuer or any of its Restricted Subsidiaries permitted by bylaw or statutory provisions and any employment agreement or other employee compensation plan or arrangement entered into in the ordinary course of business by the Issuer or any of its
Restricted Subsidiaries; 
 (8) the payment of reasonable compensation and fees paid to, and indemnity provided
on behalf of, officers or directors of the Issuer or any Restricted Subsidiary; 
 (9) the performance of
obligations of the Issuer or any of its Restricted Subsidiaries under the terms of any agreement to which the Issuer or any of its Restricted Subsidiaries is a party as of or on the Issue Date, as these agreements may be amended, modified,
supplemented, extended or renewed from time to time; provided, however, that any future amendment, modification, supplement, extension or renewal entered into after the Issue Date will be permitted to the extent that its terms are not
materially more disadvantageous, taken as a whole, to the Holders of the Notes than the terms of the agreements in effect on the Issue Date; and 
 (10) transactions with customers, clients, suppliers, or purchasers or sellers of goods or services, in each case in the ordinary course of business and otherwise in compliance with the terms of this
Indenture which are fair to the Issuer and its Restricted Subsidiaries, in the reasonable determination of the Board of Directors of the Issuer or the senior management thereof, or are on terms at least as favorable as might reasonably have been
obtained at such time from an unaffiliated party. 
 SECTION 4.12. Limitation on Incurrence of Indebtedness and
Preferred Stock. 
 The Issuer will not, and will not permit any of its Restricted Subsidiaries to, directly or
indirectly, Incur any Indebtedness (including Acquired Indebtedness), and the Issuer will not permit any of its Restricted Subsidiaries to issue Preferred Stock; provided, however, that the Issuer may Incur Indebtedness and any of the
Subsidiary Guarantors may Incur Indebtedness and issue Preferred Stock if on the date thereof: 

  
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 (1) the Consolidated Coverage Ratio for the Issuer and its Restricted
Subsidiaries is at least 2.50 to 1.00, determined on a pro forma basis (including a pro forma application of proceeds); and 
 (2) no Default will have occurred or be continuing or would occur as a consequence of Incurring the Indebtedness or transactions relating to such Incurrence. 

The first paragraph of this Section 4.12 will not prohibit the Incurrence of the following Indebtedness: 

(1) Indebtedness of the Issuer Incurred pursuant to one or more Credit Facilities in an aggregate amount not to exceed the
greater of (a) $100.0 million less the aggregate amount of all permanent principal repayments since the Issue Date under a Credit Facility that are made under clause 3(a) of the first paragraph of Section 4.16, or (b) 25.0% of
Adjusted Consolidated Net Tangible Assets determined as of the date of the Incurrence of such Indebtedness after giving effect to the application of the proceeds therefrom, in each case outstanding at any one time; 

(2) Guarantees by the Issuer or the Subsidiary Guarantors of Indebtedness of the Issuer or a Subsidiary Guarantor, as the
case may be, Incurred in accordance with the provisions of this Indenture; provided that in the event such Indebtedness that is being Guaranteed is a Subordinated Obligation or a Guarantor Subordinated Obligation, then the related Guarantee
shall be subordinated in right of payment to the Notes or the Subsidiary Guarantee to at least the same extent as the Indebtedness being Guaranteed, as the case may be; 

(3) Indebtedness of the Issuer owing to and held by any Restricted Subsidiary or Indebtedness of a Restricted Subsidiary
owing to and held by the Issuer or any Restricted Subsidiary; provided, however, that (i) any subsequent issuance or transfer of Capital Stock or any other event which results in any such Indebtedness being held by a Person other than
the Issuer or a Restricted Subsidiary of the Issuer and (ii) any sale or other transfer of any such Indebtedness to a Person other than the Issuer or a Restricted Subsidiary of the Issuer shall be deemed, in each case, to constitute an
Incurrence of such Indebtedness by the Issuer or such Restricted Subsidiary, as the case may be; 
 (4)
Indebtedness represented by (a) the Notes issued on the Issue Date, and the related exchange notes issued in a registered exchange offer (or shelf registration) pursuant to the Registration Rights Agreement, and all Subsidiary Guarantees,
(b) any Indebtedness (other than the Indebtedness described in clauses (1), (2), (3) and 4(a)) outstanding on the Issue Date (including the Existing Senior Notes, but excluding the principal amount of the 5.00% Convertible Senior Notes
that are being repaid with a portion of the proceeds from this offering) and (c) any Refinancing Indebtedness Incurred 

  
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in respect of any Indebtedness described in this clause (4) or clause (5) or Incurred pursuant to the first paragraph of this Section 4.12 , but excluding the principal
amount of the 5.00% Convertible Senior Notes that are being repaid with a portion of the proceeds from this offering; 
 (5) Indebtedness of a Person that becomes a Restricted Subsidiary or is acquired by the Issuer or a Restricted Subsidiary or merged into the Issuer or a Restricted Subsidiary in accordance with this
Indenture and outstanding on the date on which such Person became a Restricted Subsidiary or was acquired by or was merged into the Issuer or a Restricted Subsidiary (other than Indebtedness Incurred (a) to provide all or any portion of the
funds utilized to consummate the transaction or series of related transactions pursuant to which such Person became a Restricted Subsidiary or was otherwise acquired by or was merged into the Issuer or a Restricted Subsidiary or (b) otherwise
in connection with, or in contemplation of, such acquisition); provided, however, that at the time such Person becomes a Restricted Subsidiary or is acquired by or was merged into the Issuer or a Restricted Subsidiary, the Issuer would have
been able to Incur $1.00 of additional Indebtedness pursuant to the first paragraph of this Section 4.12 after giving effect to the Incurrence of such Indebtedness pursuant to this clause (5); 

(6) the Incurrence by the Issuer or any Restricted Subsidiary of Indebtedness represented by Capitalized Lease
Obligations, mortgage financings or purchase money obligations, in each case Incurred for the purpose of financing all or any part of the purchase price or cost of construction or improvements or carrying costs of property used in the business of
the Issuer or such Restricted Subsidiary, and Refinancing Indebtedness Incurred to refinance any Indebtedness Incurred pursuant to this clause (6) in an aggregate outstanding principal amount which, when taken together with the principal amount
of all other Indebtedness Incurred pursuant to this clause (6) and then outstanding, will not exceed the greater of $5.0 million at any time outstanding or 1.5% of Adjusted Consolidated Net Tangible Assets determined as of the date of the
Incurrence of such Indebtedness after giving effect to the application of the proceeds therefrom; 
 (7)
Indebtedness Incurred in respect of (a) self-insurance obligations, bid, appeal, reimbursement, performance, surety and similar bonds and completion Guarantees provided by the Issuer or a Restricted Subsidiary in the ordinary course of business
and any Guarantees or letters of credit functioning as or supporting any of the foregoing bonds or obligations and (b) obligations represented by letters of credit for the account of the Issuer or a Restricted Subsidiary in order to provide
security for workers’ compensation claims (in the case of clauses (a) and (b) other than for an obligation for money borrowed); and 

  
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 (8) in addition to the items referred to in clauses (1) through
(7) above, Indebtedness of the Issuer and the Subsidiary Guarantors in an aggregate outstanding principal amount which, when taken together with the principal amount of all other Indebtedness Incurred pursuant to this clause (8) and then
outstanding, will not exceed the greater of $10.0 million at any time outstanding and 2.5% of Adjusted Consolidated Net Tangible Assets determined as of the date of the Incurrence of such Indebtedness after giving effect to the application of the
proceeds therefrom. 
 For purposes of determining compliance with, and the outstanding principal amount of any particular
Indebtedness Incurred pursuant to and in compliance with, this Section 4.12: 
 (1) in the event an
item of that Indebtedness meets the criteria of more than one of the types of Indebtedness described in the first and second paragraphs of this Section 4.12, the Issuer, in its sole discretion, will classify such item of Indebtedness on
the date of Incurrence and, subject to clause (2) below may later reclassify such item of Indebtedness and only be required to include the amount and type of such Indebtedness in one of such clauses; 

(2) all Indebtedness outstanding on the date of this Indenture under the Senior Secured Credit Agreement shall be deemed
Incurred on the Issue Date under clause (1) of the second paragraph of this Section 4.12; 
 (3)
Guarantees of, or obligations in respect of letters of credit supporting, Indebtedness which is otherwise included in the determination of a particular amount of Indebtedness shall not be included; 

(4) if obligations in respect of letters of credit are Incurred pursuant to a Credit Facility and are being treated as
Incurred pursuant to clause (1) of the second paragraph above and the letters of credit relate to other Indebtedness, then such other Indebtedness shall not be included; 

(5) the principal amount of any Disqualified Stock of the Issuer or a Restricted Subsidiary, or Preferred Stock of a
Restricted Subsidiary that is not a Subsidiary Guarantor, will be equal to the greater of the maximum mandatory redemption or repurchase price (not including, in either case, any redemption or repurchase premium) or the liquidation preference
thereof; 
 (6) Indebtedness permitted by this Section 4.12 need not be permitted solely by reference
to one provision permitting such Indebtedness but may be permitted in part by one such provision and in part by one or more other provisions of this Section 4.12 permitting such Indebtedness; and 

  
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 (7) the amount of Indebtedness issued at a price that is less than the
principal amount thereof will be equal to the amount of the liability in respect thereof determined in accordance with GAAP. 

Accrual of interest, accrual of dividends, the amortization of debt discount or the accretion of accreted value, the payment of interest
in the form of additional Indebtedness, the payment of dividends in the form of additional shares of Preferred Stock or Disqualified Stock and unrealized losses or charges in respect of Hedging Obligations (including those resulting from the
application of ASC Topic 815, “Derivatives and Hedging”) will not be deemed to be an Incurrence of Indebtedness for purposes of this Section 4.12. The amount of any Indebtedness outstanding as of any date shall be (i) the
accreted value thereof in the case of any Indebtedness issued with original issue discount and (ii) the principal amount or liquidation preference thereof, together with any interest thereon that is more than 30 days past due, in the case of
any other Indebtedness. 
 If at any time an Unrestricted Subsidiary becomes a Restricted Subsidiary, any Indebtedness of such
Subsidiary shall be deemed to be Incurred by a Restricted Subsidiary as of such date (and, if such Indebtedness is not permitted to be Incurred as of such date under this Section 4.12, the Issuer shall be in Default of this
Section 4.12). 
 For purposes of determining compliance with any U.S. dollar-denominated restriction on the
Incurrence of Indebtedness, the U.S. dollar-equivalent principal amount of Indebtedness denominated in a foreign currency shall be calculated based on the relevant currency exchange rate in effect on the date such Indebtedness was Incurred, in the
case of term Indebtedness, or first committed, in the case of revolving credit Indebtedness; provided that if such Indebtedness is Incurred to refinance other Indebtedness denominated in a foreign currency, and such refinancing would cause
the applicable U.S. dollar-denominated restriction to be exceeded if calculated at the relevant currency exchange rate in effect on the date of such refinancing, such U.S. dollar-denominated restriction shall be deemed not to have been exceeded so
long as the principal amount of such Refinancing Indebtedness does not exceed the principal amount of such Indebtedness being refinanced. Notwithstanding any other provision of this Section 4.12, the maximum amount of Indebtedness that
the Issuer may Incur pursuant to this Section 4.12 shall not be deemed to be exceeded solely as a result of fluctuations in the exchange rate of currencies. The principal amount of any Indebtedness Incurred to refinance other
Indebtedness, if Incurred in a different currency from the Indebtedness being refinanced, shall be calculated based on the currency exchange rate applicable to the currencies in which such Refinancing Indebtedness is denominated that is in effect on
the date of such refinancing. 

  
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 SECTION 4.13. Limitation on Restrictions on Distributions from Restricted
Subsidiaries. 
 The Issuer will not, and will not permit any Restricted Subsidiary to, create or otherwise cause or
permit to exist or become effective any consensual encumbrance or consensual restriction on the ability of any Restricted Subsidiary to: 
 (1) pay dividends or make any other distributions on its Capital Stock or pay any Indebtedness or other obligations owed to the Issuer or any Restricted Subsidiary (it being understood that the priority
of any Preferred Stock in receiving dividends or liquidating distributions prior to dividends or liquidating distributions being paid on Common Stock shall not be deemed a restriction on the ability to make distributions on Capital Stock);

 (2) make any loans or advances to the Issuer or any Restricted Subsidiary (it being understood that the
subordination of loans or advances made to the Issuer or any Restricted Subsidiary to other Indebtedness Incurred by the Issuer or any Restricted Subsidiary shall not be deemed a restriction on the ability to make loans or advances); or 

(3) sell, lease or transfer any of its property or assets to the Issuer or any Restricted Subsidiary. 

The preceding provisions will not prohibit: 
 (i) any encumbrance or restriction pursuant to or by reason of an agreement in effect at or entered into on the Issue Date, including, without limitation, this Indenture and the Senior Secured Credit
Agreement in effect on such date; 
 (ii) any encumbrance or restriction with respect to a Person pursuant to or
by reason of an agreement relating to any Capital Stock or Indebtedness Incurred by a Person on or before the date on which such Person was acquired by the Issuer or another Restricted Subsidiary (other than Capital Stock or Indebtedness Incurred as
consideration in, or to provide all or any portion of the funds utilized to consummate, the transaction or series of related transactions pursuant to which such Person was acquired by the Issuer or a Restricted Subsidiary or in contemplation of the
transaction) and outstanding on such date; provided, that any such encumbrance or restriction shall not extend to any assets or property of the Issuer or any other Restricted Subsidiary other than the assets and property so acquired;

 (iii) encumbrances and restrictions contained in contracts entered into in the ordinary course of business,
not relating to any Indebtedness, and that do not, individually or in the aggregate, detract from the value of, or from the ability of the Issuer 

  
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and the Restricted Subsidiaries to realize the value of, property or assets of the Issuer or any Restricted Subsidiary in any manner material to the Issuer or any Restricted Subsidiary;

 (iv) any encumbrance or restriction with respect to an Unrestricted Subsidiary pursuant to or by reason of an
agreement that the Unrestricted Subsidiary is a party to, entered into before the date on which such Unrestricted Subsidiary became a Restricted Subsidiary; provided, that such agreement was not entered into in anticipation of the
Unrestricted Subsidiary becoming a Restricted Subsidiary and any such encumbrance or restriction shall not extend to any assets or property of the Issuer or any other Restricted Subsidiary other than the assets and property so acquired; 

(v) any encumbrance or restriction with respect to a Restricted Subsidiary pursuant to an agreement effecting a refunding,
replacement or refinancing of Indebtedness Incurred pursuant to an agreement referred to in clauses (i), (ii), (iv) or (xi) of this paragraph or this clause (v) or contained in any amendment, restatement, modification, renewal,
supplemental, refunding, replacement or refinancing of an agreement referred to in clauses (i), (ii), (iv) or (xi) of this paragraph or this clause (v); provided, however, that the encumbrances and restrictions with respect to such
Restricted Subsidiary contained in any such agreement taken as a whole are no less favorable in any material respect to the Holders of the Notes than the encumbrances and restrictions contained in such agreements referred to in clauses (i), (ii),
(iv) or (xi) of this paragraph on the Issue Date or the date such Restricted Subsidiary became a Restricted Subsidiary or was merged into a Restricted Subsidiary, whichever is applicable; 

(vi) in the case of clause (3) of the first paragraph of this Section 4.13, any encumbrance or
restriction: 
 (a) that restricts in a customary manner the subletting, assignment or transfer of any property
or asset that is subject to a lease (including leases governing leasehold interests or farm-in agreements or farm-out agreements relating to leasehold interests in Oil and Gas Properties), license or similar contract, or the assignment or transfer
of any such lease (including leases governing leasehold interests or farm-in agreements or farm-out agreements relating to leasehold interests in Oil and Gas Properties), license or other contract; 

(b) contained in mortgages, pledges or other security agreements permitted under this Indenture securing Indebtedness of
the Issuer or a Restricted Subsidiary to the extent such encumbrances or restrictions restrict the transfer of the property subject to such mortgages, pledges or other security agreements; 

  
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 (c) pursuant to customary provisions restricting dispositions of real
property interests set forth in any reciprocal easement agreements of the Issuer or any Restricted Subsidiary; 

(d) restrictions on cash or other deposits imposed by customers under contracts entered into in the ordinary course of
business; or 
 (e) provisions with respect to the disposition or distribution of assets or property in
operating agreements, joint venture agreements, development agreements, area of mutual interest agreements and other agreements that are customary in the Oil and Gas Business and entered into in the ordinary course of business; 

(vii) (a) purchase money obligations for property acquired in the ordinary course of business and (b) Capitalized
Lease Obligations permitted under this Indenture, in each case, that impose encumbrances or restrictions of the nature described in clause (3) of the first paragraph of this Section 4.13 on the property so acquired; 

(viii) any encumbrance or restriction with respect to a Restricted Subsidiary (or any of its property or assets) imposed
pursuant to an agreement entered into for the direct or indirect sale or disposition of all or substantially all the Capital Stock or assets of such Restricted Subsidiary (or the property or assets that are subject to such restriction) pending the
closing of such sale or disposition; 
 (ix) any customary encumbrances or restrictions imposed pursuant to any
agreement of the type described in the definition of “Permitted Business Investment”; 
 (x)
encumbrances or restrictions arising or existing by reason of applicable law or any applicable rule, regulation or order; and 
 (xi) the Senior Secured Credit Agreement as in effect as of the Issue Date, and any amendments, modifications, restatements, renewals, increases, supplements, refundings, replacements or refinancings
thereof, provided that such amendments, modifications, restatements, renewals, increases, supplements, refundings, replacements or refinancings are not materially more restrictive in the aggregate with respect to such dividend and other
payment restrictions than those contained in the Senior Secured Credit Agreement as in effect on the Issue Date. 
 SECTION
4.14. Payments for Consents. 
 Neither the Issuer nor any of its Restricted Subsidiaries will, directly or
indirectly, pay or cause to be paid any consideration, whether by way of interest, fees or otherwise, 

  
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to any Holder for or as an inducement to any consent, waiver or amendment of any of the terms or provisions of this Indenture or the Notes, unless such consideration is offered to be paid or is
paid to all Holders that consent, waive or agree to amend in the time frame set forth in the solicitation documents relating to such consent, waiver or amendment. 
 SECTION 4.15. Change of Control. 
 If a Change of Control
occurs, unless the Issuer has previously or concurrently exercised its right to redeem all of the Notes pursuant to Section 3.3, each Holder will have the right to require the Issuer to repurchase all or any part (equal to $2,000 or an
integral multiple of $1,000 in excess thereof) of such Holder’s Notes at a purchase price in cash equal to 101% of the principal amount of the Notes repurchased plus accrued and unpaid interest, if any, and Liquidated Damages, if any, to the
date of purchase (subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date). 
 Within 30 days following any Change of Control, unless the Issuer has previously or concurrently exercised its right to redeem all of the Notes pursuant to Section 3.3, the Issuer will mail a
notice (the “Change of Control Offer”) to each Holder, with a copy to the Trustee, stating: 

(1) that a Change of Control has occurred and that such Holder has the right to require the Issuer to purchase such
Holder’s Notes at a purchase price in cash equal to 101% of the principal amount of such Notes plus accrued and unpaid interest, if any, and Liquidated Damages, if any, to the date of purchase (subject to the right of Holders of record on a
record date to receive interest on the relevant interest payment date) (the “Change of Control Payment”); 
 (2) the repurchase date (which shall be no earlier than 30 days nor later than 60 days from the date the Change of Control Offer is mailed) (the “Change of Control Payment Date”);

 (3) that any Note not properly tendered will remain outstanding and continue to accrue interest; 

(4) that unless the Issuer defaults in the payment of the Change of Control Payment, all Notes accepted for payment
pursuant to the Change of Control Offer will cease to accrue interest on the Change of Control Payment Date; 

(5) that Holders electing to have any Notes purchased pursuant to a Change of Control Offer will be required to surrender
such Notes, with the form entitled “Option of Holder to Elect Purchase” on the reverse of such Notes completed, to the paying agent specified in the Change of Control Offer at the address specified in the


  
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Change of Control Offer prior to the close of business on the third Business Day preceding the Change of Control Payment Date; 

(6) that Holders will be entitled to withdraw their tendered Notes and their election to require the Issuer to purchase
such Notes, provided that the paying agent receives, not later than the close of business on the 30th day following the date of the Change of Control Offer, a telegram, telex, facsimile transmission or letter setting forth the name of the
Holder, the principal amount of Notes tendered for purchase, and a statement that such Holder is withdrawing its tendered Notes and its election to have such Notes purchased; 

(7) that if the Issuer is redeeming less than all of the Notes, the Holders of the remaining Notes will be issued new
Notes and such new Notes will be equal in principal amount to the unpurchased portion of the Notes surrendered. The unpurchased portion of the Notes must be equal to $2,000 or an integral multiple of $1,000 in excess thereof; and 

(8) the procedures determined by the Issuer, consistent with this Indenture, that a Holder must follow in order to have
its Notes repurchased. 
 On the Change of Control Payment Date, the Issuer will, to the extent lawful: 

(1) accept for payment all Notes or portions of Notes (of at least $2,000 or an integral multiple of $1,000 in excess
thereof) properly tendered pursuant to the Change of Control Offer; 
 (2) deposit with the paying agent an
amount equal to the Change of Control Payment in respect of all Notes or portions of Notes properly tendered and not properly withdrawn; and 
 (3) deliver or cause to be delivered to the Trustee the Notes so accepted together with an Officer’s Certificate stating the aggregate principal amount of Notes or portions of Notes being purchased
by the Issuer. 
 The paying agent will promptly mail or wire transfer to each Holder properly tendered and not properly
withdrawn the Change of Control Payment for such Notes (or, if all of the Notes are then in global form, make such payment through the facilities of the DTC), and the Trustee will promptly authenticate and mail (or cause to be transferred by book
entry) to each Holder a new Note equal in principal amount to any unpurchased portion of the Notes surrendered, if any; provided that each such new Note will be in a principal amount of $2,000 or an integral multiple of $1,000 in excess
thereof. 

  
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 If the Change of Control Payment Date is on or after an interest record date and on or
before the related interest payment date, any accrued and unpaid interest, and Liquidated Damages, if any, will be paid to the Person in whose name a Note is registered at the close of business on such record date, and no further interest will be
payable to Holders who tender pursuant to the Change of Control Offer. 
 The Change of Control provisions described above will
apply whether or not any other provisions of this Indenture apply. Except as described above with respect to a Change of Control, this Indenture does not contain provisions that permit the Holders to require that the Issuer repurchase or redeem the
Notes in the event of a takeover, recapitalization or similar transaction. 
 The Issuer will not be required to make a Change
of Control Offer upon a Change of Control if a third party makes the Change of Control Offer in the manner, at the times and otherwise in compliance with the requirements set forth in this Indenture applicable to a Change of Control Offer made by
the Issuer and purchases all Notes validly tendered and not withdrawn under such Change of Control Offer. 
 The Issuer will
comply, to the extent applicable, with the requirements of Rule 14e-1 of the Exchange Act and any other securities laws or regulations in connection with the repurchase of Notes as a result of a Change of Control. To the extent that the provisions
of any securities laws or regulations conflict with provisions of this Indenture, or compliance with the Change of Control provisions of this Indenture would constitute a violation of any such laws or regulations, the Issuer will comply with the
applicable securities laws and regulations and will not be deemed to have breached its obligations described in this Indenture by virtue of its compliance with such securities laws or regulations. 

SECTION 4.16. Limitation on Sales of Assets and Subsidiary Stock. 

The Issuer will not, and will not permit any of its Restricted Subsidiaries to, make any Asset Disposition unless: 

(1) the Issuer or such Restricted Subsidiary, as the case may be, receives consideration at the time of such Asset
Disposition at least equal to the fair market value (such fair market value to be determined on the date of contractually agreeing to such Asset Disposition), as determined in good faith by the Board of Directors of the Issuer (including as to the
value of all non-cash consideration), of the shares and assets subject to such Asset Disposition; 
 (2) at least
75% of the consideration received by the Issuer or such Restricted Subsidiary, as the case may be, from such Asset Disposition is in the form of cash or Cash Equivalents or Additional Assets, or any combination thereof; and 

  
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 (3) except as provided in the next paragraph, an amount equal to 100% of the
Net Available Cash from such Asset Disposition is applied, within one year from the later of the date of such Asset Disposition or the receipt of such Net Available Cash, by the Issuer or such Restricted Subsidiary, as the case may be: 

(a) to the extent the Issuer or any Restricted Subsidiary, as the case may be, elects (or is required by the terms of any
Indebtedness), to prepay, repay, redeem or purchase Indebtedness of the Issuer under the Senior Secured Credit Agreement or any other Indebtedness of the Issuer or a Subsidiary Guarantor (other than Subordinated Obligations, Guarantor Subordinated
Obligations or Indebtedness owed to the Issuer or any of the Issuer’s Affiliates); provided, however, that, in connection with any prepayment, repayment, redemption or purchase of Indebtedness pursuant to this clause (a), the Issuer or
such Restricted Subsidiary will retire such Indebtedness and will cause the related commitment (if any) to be permanently reduced in an amount equal to the principal amount so prepaid, repaid or purchased; or 

(b) to invest in Additional Assets; 
 provided that pending the final application of any such Net Available Cash in accordance with this Section 4.16, the Issuer and its Restricted Subsidiaries may temporarily reduce
Indebtedness or otherwise invest such Net Available Cash in any manner not prohibited by this Indenture. 
 Any Net Available
Cash from Asset Dispositions that is not applied or invested as provided in the preceding paragraph will be deemed to constitute “Excess Proceeds.” Not later than the day following the date that is one year from the later of the
date of such Asset Disposition or the receipt of such Net Available Cash, if the aggregate amount of Excess Proceeds exceeds $10.0 million, the Issuer will be required to make an offer (“Asset Disposition Offer”) to all Holders and
to the extent required by the terms of other Pari Passu Indebtedness, to all holders of such Pari Passu Indebtedness outstanding with similar provisions requiring the Issuer to make an offer to purchase such Pari Passu Indebtedness with the proceeds
from any Asset Disposition (“Pari Passu Notes”), to purchase the maximum principal amount of Notes and any such Pari Passu Notes, as applicable, to which the Asset Disposition Offer applies that may be purchased out of the Excess
Proceeds, at an offer price in cash in an amount equal to 100% of the principal amount (or, in the event such Pari Passu Indebtedness of the Issuer were issued with significant original issue discount, 100% of the accreted value thereof) of the
Notes and Pari Passu Notes, as applicable, plus accrued and unpaid interest and Liquidated Damages, if any (or in respect of such Pari Passu Indebtedness, such lesser price, if any, as may be provided for by the terms of such Indebtedness) to the
date of purchase (subject to the right of Holders of record on the relevant record date to receive interest due on the relevant interest payment date), in accordance with the procedures set forth in this Indenture


  
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or the agreements governing the Pari Passu Notes, as applicable, in each case in denominations of at least $2,000 or an integral multiple of $1,000 in excess thereof. If the aggregate principal
amount of Notes surrendered by Holders thereof and other Pari Passu Notes, as applicable, surrendered by holders or lenders, collectively, exceeds the amount of Excess Proceeds, the Trustee shall select the Notes to be purchased on a pro rata basis
on the basis of the aggregate principal amount of tendered Notes and Pari Passu Notes, as applicable. To the extent that the aggregate amount of Notes and Pari Passu Notes, as applicable, so validly tendered and not properly withdrawn pursuant to an
Asset Disposition Offer is less than the Excess Proceeds, the Issuer may use any remaining Excess Proceeds for general corporate purposes, subject to the other covenants contained in this Indenture. Upon completion of such Asset Disposition Offer,
the amount of Excess Proceeds shall be reset at zero. 
 The Asset Disposition Offer will remain open for a period of 20
Business Days following its commencement, except to the extent that a longer period is required by applicable law (the “Asset Disposition Offer Period”). No later than five Business Days after the termination of the Asset
Disposition Offer Period (the “Asset Disposition Purchase Date”), the Issuer will purchase the principal amount of Notes and Pari Passu Notes, as applicable, required to be purchased pursuant to this Section 4.16 (the
“Asset Disposition Offer Amount”) or, if less than the Asset Disposition Offer Amount has been so validly tendered, all Notes and Pari Passu Notes, as applicable, validly tendered in response to the Asset Disposition Offer.

 If the Asset Disposition Purchase Date is on or after an interest record date and on or before the related interest payment
date, any accrued and unpaid interest and Liquidated Damages, if any, will be paid to the Person in whose name a Note is registered at the close of business on such record date, and no further interest and Liquidated Damages, if any, will be payable
to Holders who tender Notes pursuant to the Asset Disposition Offer. 
 On or before the Asset Disposition Purchase Date, the
Issuer will, to the extent lawful, accept for payment, on a pro rata basis to the extent necessary, the Asset Disposition Offer Amount of Notes and Pari Passu Notes or portions of Notes and Pari Passu Notes, as applicable, so validly tendered and
not properly withdrawn pursuant to the Asset Disposition Offer, or if less than the Asset Disposition Offer Amount has been validly tendered and not properly withdrawn, all Notes and Pari Passu Notes, as applicable, so validly tendered and not
properly withdrawn, in each case in denominations of at least $2,000 or an integral multiple of $1,000 in excess thereof. The Issuer will deliver to the Trustee an Officer’s Certificate stating that such Notes or portions thereof were accepted
for payment by the Issuer in accordance with the terms of this Section 4.16 and, in addition, the Issuer will deliver all certificates and notes required, if any, by the agreements governing the Pari Passu Notes. The Issuer or the paying
agent, as the case may be, will promptly (but in any case not later than five Business Days after the termination of the Asset Disposition Offer Period) mail or deliver to each tendering Holder or holder or lender of Pari Passu Notes, as applicable,
an amount equal to the 

  
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purchase price of the Notes or Pari Passu Notes so validly tendered and not properly withdrawn by such holder or lender, as the case may be, and accepted by the Issuer for purchase, and the
Issuer will promptly issue a new Note, and the Trustee, upon delivery of an Officer’s Certificate from the Issuer, will authenticate and mail or deliver such new Note to such Holder, in a principal amount equal to any unpurchased portion of the
Note surrendered; provided that each such new Note will be in a principal amount of $2,000 or an integral multiple of $1,000 in excess thereof. In addition, the Issuer will take any and all other actions required by the agreements governing
the Pari Passu Notes. Any Note not so accepted will be promptly mailed or delivered by the Issuer to the Holder thereof. The Issuer will publicly announce the results of the Asset Disposition Offer on the Asset Disposition Purchase Date. 

The Issuer will comply, to the extent applicable, with the requirements of Rule 14e-1 of the Exchange Act and any other securities laws
or regulations in connection with the repurchase of Notes pursuant to this Indenture. To the extent that the provisions of any securities laws or regulations conflict with provisions of this Section 4.16, the Issuer will comply with the
applicable securities laws and regulations and will not be deemed to have breached its obligations under this Indenture by virtue of its compliance with such securities laws or regulations. 

For the purposes of clause (2) of the first paragraph of this Section 4.16, the following will be deemed to be cash:

 (1) the assumption by the transferee of Indebtedness (other than Subordinated Obligations) of the Issuer or
Indebtedness of a Restricted Subsidiary (other than Guarantor Subordinated Obligations of any Subsidiary Guarantor) and the release of the Issuer or such Restricted Subsidiary from all liability on such Indebtedness in connection with such Asset
Disposition, in which case the Issuer will, without further action, be deemed to have applied such deemed cash to Indebtedness in accordance with clause (3)(a) of the first paragraph of this Section 4.16; and 

(2) securities, notes or other obligations received by the Issuer or any Restricted Subsidiary from the transferee that
are converted by the Issuer or such Restricted Subsidiary into cash within 90 days after receipt thereof. 
 Notwithstanding the
foregoing, the 75% limitation referred to in clause (2) of the first paragraph of this Section 4.16 shall be deemed satisfied with respect to any Asset Disposition in which the cash or Cash Equivalents portion of the consideration
received therefrom, determined in accordance with the foregoing provision on an after-tax basis, is equal to or greater than what the after-tax proceeds would have been had such Asset Disposition complied with the aforementioned 75% limitation.

 The requirement of clause (3)(b) of the first paragraph of this Section 4.16 above shall be deemed to be
satisfied if an agreement (including a lease, whether a capital 

  
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lease or an operating lease) committing to make the acquisitions or expenditures referred to therein is entered into by the Issuer or its Restricted Subsidiary within the specified time period
and such Net Available Cash is subsequently applied in accordance with such agreement within six months following such agreement. 
 SECTION 4.17. Limitation on Liens. 
 The Issuer will not, and
will not permit any of its Restricted Subsidiaries to, directly or indirectly, create, Incur or suffer to exist any Lien (the “Initial Lien”) other than Permitted Liens upon any of its property or assets (including Capital Stock of
Restricted Subsidiaries), including any income or profits therefrom, whether owned on the date of this Indenture or acquired after that date, which Lien is securing any Indebtedness, unless contemporaneously with the Incurrence of such Liens,
effective provision is made to secure the Indebtedness due under the Notes or, in respect of Liens on any Restricted Subsidiary’s property or assets and any Subsidiary Guarantee of such Restricted Subsidiary, equally and ratably with (or senior
in priority to, in the case of Liens with respect to Subordinated Obligations or Guarantor Subordinated Obligations, as the case may be) the Indebtedness secured by such Lien for so long as such Indebtedness is so secured. 

Any Lien created for the benefit of the Holders of the Notes pursuant to the preceding paragraph shall provide by its terms that such
Lien shall be automatically and unconditionally released and discharged upon the release and discharge of the Initial Lien. 

SECTION 4.18. Limitation on Lines of Business. 

The Issuer will not, and will not permit any Restricted Subsidiary to, engage in any business other than the Oil and Gas Business, except
to the extent as would not be material to the Issuer and its Restricted Subsidiaries taken as a whole. 
 SECTION 4.19.
Additional Subsidiary Guarantees. 
 If the Issuer or any of its Restricted Subsidiaries acquires or
creates another Restricted Subsidiary after the Issue Date, then the Issuer shall cause such Restricted Subsidiary to: 
 (1) execute and deliver to the Trustee a supplemental indenture in form reasonably satisfactory to the Trustee pursuant to which such Restricted Subsidiary shall unconditionally Guarantee on a senior
unsecured basis all of the Issuer’s obligations under the Notes and this Indenture on the terms set forth in this Indenture; 
 (2) to the extent that the exchange offer (or filing of a registration statement) pursuant to the Registration Rights Agreement has not been consummated or filed, as applicable, execute and deliver to the
Trustee a joinder, amendment, supplement or 

  
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other instrument pursuant to which such Restricted Subsidiary becomes a party to the Registration Rights Agreement; 

(3) take such further action and execute and deliver such other documents necessary to effectuate the foregoing; and

 (4) deliver to the Trustee an Opinion of Counsel that such supplemental indenture and any other documents
required to be delivered have been duly authorized, executed and delivered by such Restricted Subsidiary and constitute legal, valid, binding and enforceable obligations of such Restricted Subsidiary and such other opinions regarding the perfection
of such Liens in the assets of such Restricted Subsidiary as provided for in this Indenture; 
 provided, however, that
any Restricted Subsidiary that constitutes an Immaterial Subsidiary need not become a Subsidiary Guarantor until such time as it ceases to be an Immaterial Subsidiary. 
 ARTICLE V. 
 SUCCESSOR CORPORATION 

SECTION 5.1. Merger, Consolidation and Sale of Assets. 

The Issuer will not consolidate with or merge with or into or wind up into (whether or not the Issuer is the surviving corporation), or
convey, transfer or lease all or substantially all its assets in one or more related transactions to, any Person, unless: 
 (1) the resulting, surviving or transferee Person (the “Successor Issuer”) will be a corporation, partnership, trust or limited liability company organized and existing under the laws of
the United States of America, any State of the United States or the District of Columbia and the Successor Issuer (if not the Issuer) will expressly assume, (i) by supplemental indenture, executed and delivered to the Trustee, in form
reasonably satisfactory to the Trustee, all the obligations of the Issuer under the Notes and this Indenture and (ii) to the extent that the exchange offer (or filing of the registration statement) pursuant to the Registration Rights Agreement
has not been consummated or filed, as applicable, by joinder, amendment, supplement or other instrument, executed and delivered to the Trustee, all obligations of the Issuer under the Registration Rights Agreement; 

(2) immediately after giving effect to such transaction (and treating any Indebtedness that becomes an obligation of the
Successor Issuer or any Subsidiary of the 

  
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Successor Issuer as a result of such transaction as having been Incurred by the Successor Issuer or such Subsidiary at the time of such transaction), no Default shall have occurred and be
continuing; 
 (3) immediately after giving effect to such transaction, the Successor Issuer would be able to
Incur at least an additional $1.00 of Indebtedness pursuant to the first paragraph of Section 4.12; 

(4) each Subsidiary Guarantor (unless it is the other party to the transactions above, in which case clause (1) shall
apply) shall have by supplemental indenture, joinders, amendments, supplements or other instruments relating to the Registration Rights Agreement, if applicable, confirmed that its Subsidiary Guarantee shall apply to such Person’s obligations
in respect of this Indenture, the Notes and the Registration Rights Agreement; and 
 (5) the Issuer shall have
delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that such consolidation, merger or transfer and such supplemental indenture (if any) comply with this Indenture. 

For purposes of this Section 5.1, the sale, lease, conveyance, assignment, transfer, or other disposition of all or
substantially all of the properties and assets of one or more Subsidiaries of the Issuer, which properties and assets, if held by the Issuer instead of such Subsidiaries, would constitute all or substantially all of the properties and assets of the
Issuer on a consolidated basis, shall be deemed to be the transfer of all or substantially all of the properties and assets of the Issuer. 
 The Successor Issuer will succeed to, and be substituted for, and may exercise every right and power of, the Issuer under this Indenture, the Notes and the Registration Rights Agreement; and its
predecessor Issuer, except in the case of a lease of all or substantially all its assets, will be released from the obligation to pay the principal of and interest on the Notes. 

Notwithstanding the preceding clause (3), (x) any Restricted Subsidiary may consolidate with, merge into or transfer all or part of
its properties and assets to the Issuer and the Issuer may consolidate with, merge into or transfer all or part of its properties and assets to a Wholly-Owned Subsidiary and (y) the Issuer may merge with an Affiliate incorporated solely for the
purpose of reincorporating the Issuer in another jurisdiction; provided that, in the case of a Restricted Subsidiary that consolidates with, merges into or transfers all or part of its properties and assets to the Issuer, the Issuer will not
be required to comply with the preceding clause (5). 
 In addition, the Issuer will not permit any Subsidiary Guarantor to
consolidate with or merge with or into, and will not permit the conveyance, transfer or lease of substantially 

  
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all of the assets of any Subsidiary Guarantor to, any Person (other than the Issuer or another Subsidiary Guarantor) unless: 

(1) (a) the resulting, surviving or transferee Person will be a corporation, partnership, trust or limited liability
company organized and existing under the laws of the United States of America, any State of the United States or the District of Columbia and such Person (if not such Subsidiary Guarantor) will expressly assume, (i) by supplemental indenture,
executed and delivered to the Trustee, all the obligations of such Subsidiary Guarantor under its Subsidiary Guarantee and (ii) to the extent that the exchange offer (or filing of the registration statement) pursuant to the Registration Rights
Agreement has not been consummated or filed, as applicable, by joinder, amendment, supplement or other instrument delivered to the Trustee, all obligations of such Subsidiary Guarantor under the Registration Rights Agreement; and
(b) immediately after giving effect to such transaction (and treating any Indebtedness that becomes an obligation of the resulting, surviving or transferee Person or any Restricted Subsidiary as a result of such transaction as having been
Incurred by such Person or such Restricted Subsidiary at the time of such transaction), no Default shall have occurred and be continuing; or 
 (2) the transaction is made in compliance with Section 4.16 and Article XII. 
 SECTION 5.2. Successor Corporation Substituted. 
 Upon any
consolidation, combination or merger or any transfer of all or substantially all of the assets of the Issuer in accordance with Section 5.1, in which the Issuer is not the continuing corporation, the successor Person formed by such
consolidation or into which the Issuer is merged or to which such conveyance, lease or transfer is made shall succeed to, and be substituted for, and may exercise every right and power of, the Issuer under this Indenture, the Notes and the
Registration Rights Agreement with the same effect as if such surviving entity had been named as such. 

  
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 ARTICLE VI. 
 REMEDIES 
 SECTION 6.1. Events of Default. 

An “Event of Default” means any of the following events: 

(1) default in any payment of interest or Liquidated Damages (as required by the Registration Rights Agreement) on any
Note when due, continued for 30 days; 
 (2) default in the payment of principal of or premium, if any, on any
Note when due at its Stated Maturity, upon optional redemption, upon required repurchase, upon declaration of acceleration or otherwise; 
 (3) failure by the Issuer or any Subsidiary Guarantor to comply with its obligations under Section 5.1; 
 (4) failure by the Issuer to comply within 30 days after notice as provided below with any of its obligations under Sections 4.8, 4.10, 4.11, 4.12, 4.13, 4.15,
4.16, 4.17, 4.18 or 4.19 above (in each case, other than a failure to purchase Notes that will constitute an Event of Default under clause (2) above and other than a failure to comply with Section 5.1,
which is covered by clause (3) above); 
 (5) failure by the Issuer to comply within 60 days after notice as
provided below with its other agreements contained in this Indenture; 
 (6) default under any mortgage,
indenture or instrument under which there may be issued or by which there may be secured or evidenced any Indebtedness for money borrowed by the Issuer or any of its Restricted Subsidiaries (or the payment of which is Guaranteed by the Issuer or any
of its Restricted Subsidiaries), other than Indebtedness owed to the Issuer or a Restricted Subsidiary, whether such Indebtedness or Guarantee now exists, or is created after the date of this Indenture, which default: 

(a) is caused by a failure to pay principal of, or interest or premium, if any, on such Indebtedness prior to the
expiration of the grace period provided in such Indebtedness (and any extensions of any grace period) (“payment default”); or 
 (b) results in the acceleration of such Indebtedness prior to its maturity (the “cross acceleration provision”); 

  
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 and, in each case, the principal amount of any such Indebtedness, together with the
principal amount of any other such Indebtedness under which there has been a payment default or the maturity of which has been so accelerated, aggregates $10.0 million or more; 

(7) certain events of bankruptcy, insolvency or reorganization of the Issuer or a Significant Subsidiary or group of
Restricted Subsidiaries that, taken together (as of the latest audited consolidated financial statements for the Issuer and its Restricted Subsidiaries), would constitute a Significant Subsidiary (the “bankruptcy provisions”);

 (8) failure by the Issuer or any Significant Subsidiary or group of Restricted Subsidiaries that, taken
together (as of the latest audited consolidated financial statements for the Issuer and its Restricted Subsidiaries), would constitute a Significant Subsidiary to pay final judgments aggregating in excess of $10.0 million (to the extent not covered
by insurance by a reputable and creditworthy insurer as to which the insurer has not disclaimed coverage), which judgments are not paid or discharged, and there shall be any period of 60 consecutive days following entry of such final judgment or
decree during which a stay of enforcement of such final judgment or decree, by reason of pending appeal or otherwise, shall not be in effect (the “judgment default provision”); or 

(9) any Subsidiary Guarantee of a Significant Subsidiary or group of Restricted Subsidiaries that, taken together (as of
the latest audited consolidated financial statements for the Issuer and its Restricted Subsidiaries) would constitute a Significant Subsidiary ceases to be in full force and effect (except as contemplated by the terms of this Indenture) or is
declared null and void in a judicial proceeding or any Subsidiary Guarantor that is a Significant Subsidiary or group of Subsidiary Guarantors that, taken together (as of the latest audited consolidated financial statements of the Issuer and its
Restricted Subsidiaries) would constitute a Significant Subsidiary denies or disaffirms its obligations under this Indenture or its Subsidiary Guarantee. 
 However, a default under clauses (4) and (5) of this paragraph will not constitute an Event of Default until the Trustee or the Holders of 25% in principal amount of the outstanding Notes notify
the Issuer in writing and, in the case of a notice given by the Holders, the Trustee of the default and the Issuer does not cure such default within the time specified in clauses (4) and (5) of this paragraph after receipt of such notice.

 SECTION 6.2. Acceleration. 
 If an Event of Default (other than an Event of Default described in clause (7) above) occurs and is continuing, the Trustee by notice to the Issuer, or the Holders of at least 25% in principal amount
of the outstanding Notes by notice to the Issuer and the Trustee, may, and the Trustee at the request of such Holders shall, declare the principal of, premium, if 

  
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any, accrued and unpaid interest, if any, and Liquidated Damages, if any, on all the Notes to be due and payable. If an Event of Default described in clause (7) above occurs and is
continuing, the principal of, premium, if any, accrued and unpaid interest, if any, and Liquidated Damages, if any, on all the Notes will become and be immediately due and payable without any declaration or other act on the part of the Trustee or
any Holders. The Holders of a majority in principal amount of the outstanding Notes may waive all past defaults (except with respect to nonpayment of principal, premium, accrued and unpaid interest, if any, or Liquidated Damages, if any) and rescind
any such acceleration with respect to the Notes and its consequences if (1) rescission would not conflict with any judgment or decree of a court of competent jurisdiction and (2) all existing Events of Default, other than the nonpayment of
the principal of, premium, if any, and interest on the Notes that have become due solely by such declaration of acceleration, have been cured or waived. 
 SECTION 6.3. Other Remedies. 
 If an Event of Default occurs
and is continuing, the Trustee may pursue any available remedy by proceeding at law or in equity to collect the payment of the principal of, premium and Liquidated Damages, if any, or interest on the Notes or to enforce the performance of any
provision of the Notes or this Indenture. 
 All rights of action and claims under this Indenture or the Notes may be enforced
by the Trustee even if it does not possess any of the Notes or does not produce any of them in the proceeding. A delay or omission by the Trustee or any Holder in exercising any right or remedy accruing upon an Event of Default shall not impair the
right or remedy or constitute a waiver of or acquiescence in the Event of Default. No remedy is exclusive of any other remedy. All available remedies are cumulative to the extent permitted by law. 

SECTION 6.4. Waiver of Past Defaults. 
 At any time prior to the declaration of acceleration of the Notes, the Holders of not less than a majority in aggregate principal amount of the Notes then outstanding by notice to the Trustee may, on
behalf of the Holders of all the Notes, waive any existing Default or Event of Default and its consequences under this Indenture, except a Default or Event of Default specified in Section 6.1(1) or (2) or in respect of any
provision hereof which cannot be modified or amended without the consent of the Holder so affected pursuant to Section 9.2. When a Default or Event of Default is so waived, it shall be deemed cured and shall cease to exist. This
Section 6.4 shall be in lieu of § 316(a)(1)(B) of the TIA and such § 316(a)(1)(B) of the TIA is hereby expressly excluded from this Indenture and the Notes, as permitted by the TIA. 

  
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 SECTION 6.5. Control by Majority. 

Holders may not enforce this Indenture or the Notes except as provided in this Article VI and under the TIA. The Holders of a majority in
aggregate principal amount of the then outstanding Notes shall have the right to direct the time, method and place of conducting any proceeding for any remedy available to the Trustee, or exercising any trust or power conferred on the Trustee,
provided, however, that the Trustee may refuse to follow any direction (a) that conflicts with any rule of law or this Indenture, (b) that the Trustee reasonably determines may be unduly prejudicial to the rights of any other
Holder, or (c) that may expose the Trustee to personal liability for which reasonable indemnity provided to the Trustee against such liability shall be deemed inadequate by the Trustee; provided, further, however, that the
Trustee may take any other action deemed proper by the Trustee that is not inconsistent with such direction or this Indenture. This Section 6.5 shall be in lieu of § 316(a)(1)(A) of the TIA, and such § 316(a)(1)(A) of the TIA
is hereby expressly excluded from this Indenture and the Notes, as permitted by the TIA. 
 SECTION 6.6. Limitation on
Suits. 
 Subject to the provisions of this Indenture relating to the duties of the Trustee, if an Event of Default
occurs and is continuing, the Trustee will be under no obligation to exercise any of the rights or powers under this Indenture at the request or direction of any of the Holders unless such Holders have offered to the Trustee indemnity satisfactory
to it or security against any loss, liability or expense. Except to enforce the right to receive payment of principal, premium, if any, or interest when due, no Holder may pursue any remedy with respect to this Indenture or the Notes unless:

 (1) such Holder has previously given the Trustee notice that an Event of Default is continuing; 

(2) Holders of at least 25% in principal amount of the outstanding Notes have requested the Trustee to pursue the remedy; 

(3) such Holders have offered the Trustee reasonable security or indemnity against any loss, liability or expense; 

(4) the Trustee has not complied with such request within 60 days after the receipt of the request and the offer of security or
indemnity; and 
 (5) the Holders of a majority in principal amount of the outstanding Notes have not waived such Event of
Default or otherwise given the Trustee a direction that, in the opinion of the Trustee, is inconsistent with such request within such 60-day period. 

  
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 A Holder may not use this Indenture to prejudice the rights of any other Holders or to
obtain priority or preference over other Holders. 
 SECTION 6.7. Right of Holders To Receive Payment.

 Notwithstanding any other provision in this Indenture, the right of any Holder of a Note to receive payment of the principal
of, premium and Liquidated Damages, if any, and interest on such Note, on or after the respective due dates expressed or provided for in such Note, or to bring suit for the enforcement of any such payment on or after the respective due dates, is
absolute and unconditional and shall not be impaired or affected without the consent of the Holder. 
 SECTION 6.8.
Collection Suit by Trustee. 
 If an Event of Default specified in clause (1) or (2) of
Section 6.1 occurs and is continuing, the Trustee may recover judgment in its own name and as trustee of an express trust against the Issuer, or any other obligor on the Notes for the whole amount of the principal of, premium, if any,
Liquidated Damages, if any, and accrued interest remaining unpaid, together with interest on overdue principal and, to the extent that payment of such interest is lawful, interest on overdue installments of interest, in each case at the rate per
annum provided for by the Notes and such further amount as shall be sufficient to cover the costs and expenses of collection, including the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel.

 SECTION 6.9. Trustee May File Proofs of Claim. 

The Trustee may file such proofs of claim and other papers or documents as may be necessary or advisable in order to have the claims of
the Trustee (including any claim for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents, counsel, accountants and experts) and the Holders allowed in any judicial proceedings relative to the Issuer or
Restricted Subsidiaries (or any other obligor upon the Notes), their creditors or their property and shall be entitled and empowered to collect and receive any monies or other property payable or deliverable on any such claims and to distribute the
same, and any Custodian in any such judicial proceedings is hereby authorized by each Holder to make such payments to the Trustee and, in the event that the Trustee shall consent to the making of such payments directly to the Holders, to pay to the
Trustee any amount due to it for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agent and counsel, and any other amounts due the Trustee under Section 7.7. Nothing herein contained shall be deemed
to authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or composition affecting the Notes or the rights of any Holder thereof, or to authorize the Trustee to
vote in respect of the claim of any Holder in any such proceeding. 

  
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 SECTION 6.10. Priorities. 

If the Trustee collects any money pursuant to this Article VI it shall pay out such money in the following order: 

First: to the Trustee for amounts due under Section 7.7; 

Second: to Holders for interest accrued on the Notes, ratably, without preference or priority of any kind, according to
the amounts due and payable on the Notes for interest; 
 Third: to Holders for the principal amounts (including
any premium or Liquidated Damages) owing under the Notes, ratably, without preference or priority of any kind, according to the amounts due and payable on the Notes for the principal (including any premium or Liquidated Damages); and 

Fourth: the balance, if any, to the Issuer. 
 The Trustee, upon prior written notice to the Issuer, may fix a record date and payment date for any payment to Holders pursuant to this Section 6.10. 

SECTION 6.11. Undertaking for Costs. 
 In any suit for the enforcement of any right or remedy under this Indenture or in any suit against the Trustee for any action taken or omitted by it as Trustee, a court may in its discretion require the
filing by any party litigant in the suit of an undertaking to pay the costs of the suit, and the court in its discretion may assess reasonable costs, including reasonable attorneys’ fees, against any party litigant in the suit, having due
regard to the merits and good faith of the claims or defenses made by the party litigant. This Section 6.11 does not apply to any suit by the Trustee, any suit by a Holder pursuant to Section 6.7, or a suit by a Holder or
Holders of more than 10% in aggregate principal amount of the outstanding Notes. 
 SECTION 6.12. Restoration of
Rights and Remedies. 
 If the Trustee or any Holder has instituted any proceeding to enforce any right or remedy
under this Indenture or any Note and such proceeding has been discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such Holder, then and in every such case the Issuer, the Trustee and the Holders shall,
subject to any determination in such proceeding, be restored severally and respectively to their former positions under this Indenture, and thereafter all rights and remedies of the Trustee and the Holders shall continue as though no such proceeding
had been instituted. 

  
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 ARTICLE VII. 
 TRUSTEE 
 SECTION 7.1. Duties of Trustee. 

(a) If an Event of Default has occurred, of which the Trustee is deemed to have notice, and is continuing, the Trustee may exercise such
of the rights and powers vested in it by this Indenture and shall use the same degree of care and skill in its exercise thereof as a prudent person would exercise or use in the conduct of his own affairs. 

(b) Except during the continuance of an Event of Default: 

(1) The Trustee need perform only those duties as are specifically set forth in this Indenture and no covenants or
obligations shall be implied in this Indenture that are adverse to the Trustee. The permissive right of the Trustee to do things enumerated in this Indenture shall not be construed as a duty. 

(2) In the absence of bad faith on its part, the Trustee may conclusively rely, as to the truth of the statements and the
correctness of the opinions expressed therein, upon certificates or opinions furnished to the Trustee and conforming to the requirements of this Indenture. However, in the case of any such certificates or opinions that by any provision hereof are
specifically required to be furnished to the Trustee, the Trustee shall examine the certificates and opinions to determine whether or not they conform to the requirements of this Indenture. 

(c) Notwithstanding anything to the contrary herein contained, the Trustee may not be relieved from liability for its own negligent
action, its own negligent failure to act, or its own willful misconduct, except that: 
 (1) This paragraph does
not limit the effect of paragraph (b) of this Section 7.1. 
 (2) The Trustee shall not be
liable for any error of judgment made in good faith by a Trust Officer, unless it is conclusively determined by a court of competent jurisdiction that the Trustee was negligent in ascertaining the pertinent facts. 

(3) The Trustee shall not be liable with respect to any action it takes or omits to take in good faith in accordance with
a direction received by it pursuant to Section 6.2, 6.4 or 6.5. 

  
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 (d) No provision of this Indenture shall require the Trustee to expend or risk its own funds
or otherwise incur any financial liability in the performance of any of its duties under this Indenture or in the exercise of any of its rights or powers if it shall have reasonable grounds for believing that repayment of such funds or adequate
indemnity against such risk or liability is not reasonably assured to it. 
 (e) Every provision of this Indenture that in any
way relates to the Trustee is subject to paragraphs (a), (b), (c) and (d) of this Section 7.1 and Section 7.2. 
 (f) The Trustee shall not be liable for interest on any money or assets received by it except as the Trustee may agree in writing with the Issuer. Assets held in trust by the Trustee need not be
segregated from other assets except to the extent required by law. 
 SECTION 7.2. Rights of Trustee.

 Subject to Section 7.1: 
 (a) The Trustee may conclusively rely and shall be fully protected in acting or refraining from acting upon any document believed by it to be genuine and to have been signed or presented by the proper
Person or Persons or to have been prepared and furnished pursuant to any of the provisions of this Indenture; and the Trustee shall be under no duty to make any investigation as to any statement contained in any such instance, but may accept the
same conclusive evidence of the truth and accuracy of such statement or the correctness of such opinions. The Trustee need not investigate any fact or matter stated in the document. 

(b) Before the Trustee acts or refrains from acting, it may consult with counsel of its selection and may require an
Officer’s Certificate or an Opinion of Counsel, which shall conform to Sections 11.4 and 11.5. The Trustee shall not be liable for any action it takes or omits to take in good faith in reliance on such advice or such
Officer’s Certificate or Opinion of Counsel. 
 (c) The Trustee may act through attorneys, agents,
custodians or nominees and shall not be responsible for the misconduct or negligence of any attorney, agent, custodian or nominee appointed with due care. 
 (d) The Trustee shall not be liable for any action that it takes or omits to take in good faith which it reasonably believes to be authorized or within its rights or powers conferred upon it by this
Indenture. 
 (e) The Trustee shall not be bound to make any investigation into the facts or matters stated in
any resolution, certificate, statement, instrument, opinion, notice, request, direction, consent, order, bond, debenture, or other paper or document, but the 

  
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Trustee, in its discretion, may make such further inquiry or investigation into such facts or matters as it may see fit, and, if the Trustee shall determine to make such further inquiry or
investigation, it shall be entitled, upon reasonable notice to the Issuer, to examine the books, records, and premises of the Issuer, personally or by agent or attorney and to consult with the officers and representatives of the Issuer, including
the Issuer’s accountants and attorneys. 
 (f) The Trustee shall be under no obligation to exercise any of
the rights or powers vested in it by this Indenture at the request, order or direction of any of the Holders pursuant to the provisions of this Indenture, unless such Holders shall have offered to the Trustee security or indemnity satisfactory to
the Trustee against the costs, expenses and liabilities which may be incurred by it in compliance with such request, order or direction. 
 (g) The Trustee shall not be required to give any bond or surety in respect of the performance of its powers and duties under this Indenture. 

(h) Delivery of reports, information and documents to the Trustee under Section 4.8 is for informational
purposes only and the Trustee’s receipt of the foregoing shall not constitute constructive notice of any information contained therein or determinable from information contained therein, including the Issuer’s compliance with any of its
covenants under this Indenture (as to which the Trustee is entitled to rely exclusively on Officer’s Certificates). 
 (i) Other than a consent revoked in accordance with Section 9.4, any action taken, or omitted to be taken, by the Trustee in good faith pursuant to this Indenture upon the request or authority
or consent of any person who, at the time of making such request or giving such authority or consent, is a Holder shall be conclusive and binding upon every subsequent Holder of a Note or portion of a Note that evidences the same debt as the
requesting or consenting Holder’s Note. 
 SECTION 7.3. Individual Rights of Trustee. 

The Trustee in its individual or any other capacity may become the owner or pledgee of Notes and may otherwise deal with the Issuer, any
of its respective Subsidiaries, or its respective Affiliates with the same rights it would have if it were not Trustee. Any Agent may do the same with like rights. However, the Trustee must comply with Sections 7.10 and 7.11.

 SECTION 7.4. Trustee’s Disclaimer. 

The Trustee makes no representation as to the validity or adequacy of this Indenture or the Notes, and it shall not be accountable for
the Issuer’s use of the proceeds from 

  
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the Notes, and it shall not be responsible for any statement of the Issuer in this Indenture or the Notes other than the Trustee’s certificate of authentication. 

Under no circumstances shall the Trustee be liable in its individual capacity for the obligations evidenced by the Notes. In accepting
the trust hereby created, the Trustee acts solely as Trustee for the Holders and not in its individual capacity and all persons, including without limitation the Holders and the Issuer having any claim against the Trustee arising from this Indenture
shall look only to the funds and accounts held by the Trustee hereunder for payment except as otherwise provided herein. 

SECTION 7.5. Notice of Default. 
 If a Default or an Event of Default occurs and is continuing, of which the Trustee is deemed to have notice, the Trustee shall mail to each Holder notice of the uncured Default or Event of Default within
90 days after it occurs and becomes known to the Trustee. Except in the case of a Default or an Event of Default in payment of principal of, or premium, interest or Liquidated Damages, if any, on, any Note, including an accelerated payment, a
Default in payment on the Change of Control Payment Date pursuant to a Change of Control Offer or on the Asset Disposition Purchase Date pursuant to an Asset Disposition Offer and a Default in compliance with Article V hereof, the Trustee may
withhold the notice if and so long as its Board of Directors, the executive committee of its Board of Directors or a committee of its directors and/or Trust Officers in good faith determines that withholding the notice is in the interest of the
Holders. The foregoing sentence of this Section 7.5 shall be in lieu of the proviso to § 315(b) of the TIA and such proviso to § 315(b) of the TIA is hereby expressly excluded from this Indenture and the Notes, as permitted by
the TIA. 
 SECTION 7.6. Reports by Trustee to Holders. 

Within 60 days after May 15 of each year beginning with May 15, 2012 and for so long as Notes remain outstanding, the Trustee
shall, to the extent that any of the events described in TIA § 313(a) occurred within the previous twelve months, but not otherwise, mail to each Holder a brief report dated as of such date that complies with TIA § 313(a). The Trustee also
shall comply with TIA §§ 313(b), (c) and (d). 
 A copy of each report at the time of its mailing to Holders
shall be mailed to the Issuer. 
 The Issuer shall promptly notify the Trustee if the Notes become listed on any stock exchange
and the Trustee shall comply with TIA § 313(d). 

  
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 SECTION 7.7. Compensation and Indemnity. 

The Issuer shall pay to the Trustee from time to time such compensation for its services as has been agreed to in writing signed by the
Issuer and the Trustee. The Trustee’s compensation shall not be limited by any law on compensation of a trustee of an express trust. The Issuer shall reimburse the Trustee upon request for all reasonable out-of-pocket expenses incurred or made
by it in connection with the performance of its duties under this Indenture. Such expenses shall include the reasonable fees and expenses of the Trustee’s agents, counsel, accountants and experts. 

The Issuer and the Subsidiary Guarantors shall indemnify each of the Trustee (or any predecessor Trustee) and its agents, employees,
shareholders, Affiliates and directors and officers for, and hold them each harmless against, any and all loss, liability, damage, claim or expense (including reasonable fees and expenses of counsel), including taxes (other than taxes based on the
income of the Trustee) incurred by them except for such actions to the extent caused by any negligence, bad faith or willful misconduct on their part, arising out of or in connection with the acceptance or administration of this Indenture including
the reasonable costs and expenses of defending themselves against any claim or liability in connection with the exercise or performance of any of their rights, powers or duties under this Indenture. The Trustee shall notify the Issuer promptly of
any claim asserted against the Trustee for which it may seek indemnity. At the Trustee’s sole discretion, the Issuer or such Subsidiary Guarantor shall defend the claim and the Trustee shall cooperate and may participate in the defense;
provided, however, that any settlement of a claim shall be approved in writing by the Trustee if such settlement would result in an admission of liability by the Trustee or if such settlement would not be accompanied by a full release
of the Trustee for all liability arising out of the events giving rise to such claim. Alternatively, the Trustee may at its option have separate counsel of its own choosing and the Issuer shall pay the reasonable fees and expenses of such counsel.

 To secure the Issuer’s and the Subsidiary Guarantors’ payment obligations in this Section 7.7, the
Trustee shall have a Lien prior to the Notes on all assets or money held or collected by the Trustee, in its capacity as Trustee, except assets or money held in trust to pay principal of or premium, if any, or interest on particular Notes.

 When the Trustee incurs expenses or renders services after an Event of Default specified in Section 6.1(7) or
(8) occurs, such expenses and the compensation for such services are intended to constitute expenses of administration under any Bankruptcy Law. 
 The provisions of this Section 7.7 shall survive the termination of this Indenture or the earlier resignation or removal of the Trustee. 

  
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 SECTION 7.8. Replacement of Trustee. 

The Trustee may resign at any time by so notifying the Issuer. The Holders of a majority in principal amount of the outstanding Notes may
remove the Trustee and appoint a successor Trustee with the Issuer’s consent, by so notifying the Issuer and the Trustee. The Issuer may remove the Trustee if: 

(1) the Trustee fails to comply with Section 7.10; 

(2) the Trustee is adjudged bankrupt or insolvent; 

(3) a receiver or other public officer takes charge of the Trustee or its property; or 

(4) the Trustee becomes incapable of acting. 
 If the Trustee resigns or is removed or if a vacancy exists in the office of Trustee for any reason, the Issuer shall notify each Holder of such event and shall promptly appoint a successor Trustee.
Within one year after the successor Trustee takes office, the Holders of a majority in aggregate principal amount of the outstanding Notes may appoint a successor Trustee to replace the successor Trustee appointed by the Issuer. 

A successor Trustee shall deliver a written acceptance of its appointment to the retiring Trustee and to the Issuer. Immediately after
that, the retiring Trustee shall transfer all property held by it as Trustee to the successor Trustee, subject to the lien provided in Section 7.7, the resignation or removal of the retiring Trustee shall become effective, and the
successor Trustee shall have all the rights, powers and duties of the Trustee under this Indenture. The Issuer shall mail notice of such successor Trustee’s appointment to each Holder. 

If a successor Trustee does not take office within 45 days after the retiring Trustee resigns or is removed, the retiring Trustee, the
Issuer or the Holders of at least 10% in aggregate principal amount of the outstanding Notes may, at the expense of the Issuer, petition any court of competent jurisdiction for the appointment of a successor Trustee. 

If the Trustee fails to comply with Section 7.10, any Holder may petition any court of competent jurisdiction for the removal
of the Trustee and the appointment of a successor Trustee. 
 Notwithstanding any resignation or replacement of the Trustee
pursuant to this Section 7.8, the Issuer’s obligations under Section 7.7 shall continue for the benefit of the retiring Trustee. 

  
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 SECTION 7.9. Successor Trustee by Merger, Etc. 

If the Trustee consolidates with, merges or converts into, or transfers all or substantially all of its corporate trust business to,
another corporation, the resulting, surviving or transferee corporation without any further act shall, if such resulting, surviving or transferee corporation is otherwise eligible under this Indenture, be the successor Trustee; provided,
however, that such corporation shall be otherwise qualified and eligible under this Article VII. 
 SECTION 7.10.
Eligibility; Disqualification. 
 This Indenture shall always have a Trustee who satisfies the requirement
of TIA §§ 310(a)(1), (2) and (5). The Trustee (or, in the case of a Trustee that is a corporation included in a bank holding company system, the related bank holding company) shall have a combined capital and surplus of at least
$150.0 million as set forth in its most recent published annual report of condition and have a Corporate Trust Office in the City of New York. In addition, if the Trustee is a corporation included in a bank holding company system, the Trustee,
independently of such bank holding company, shall meet the capital requirements of TIA § 310(a)(2). The Trustee shall comply with TIA § 310(b); provided, however, that there shall be excluded from the operation of TIA §
310(b)(1) any indenture or indentures under which other securities, or certificates of interest or participation in other securities, of the Issuer are outstanding, if the requirements for such exclusion set forth in TIA § 310(b)(1) are met.
The provisions of TIA § 310 shall apply to the Issuer, as obligor of the Notes. 
 SECTION 7.11. Preferential
Collection of Claims Against the Issuer. 
 The Trustee shall comply with TIA § 311(a), excluding any creditor
relationship listed in TIA § 311(b). A Trustee who has resigned or been removed shall be subject to TIA § 311(a) to the extent indicated therein. The provisions of TIA § 311 shall apply to the Issuer, as obligor on the Notes.

 SECTION 7.12. Force Majeure. 
 In no event shall the Trustee be liable for any failure or delay in the performance of its obligations under this Indenture because of circumstances beyond the Trustee’s control, including, but not
limited to, acts of God, flood, war (whether declared or undeclared), terrorism, fire, riot, embargo, government action, including any laws, ordinances, regulations, governmental action or the like which delay, restrict or prohibit the providing of
the services contemplated by this Indenture. 

  
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 SECTION 7.13. Defaults and Events of Default. 

The Trustee shall not be required to take notice or be deemed to have notice of any Default, except failure of the Issuer to cause to be
made any of the payments required to be made to the Trustee, unless the Trustee shall be specifically notified by a writing of such Default by the Issuer or by the Holders of at least 25% in aggregate principal amount of all Notes then outstanding
delivered to the Corporate Trust Office of the Trustee and, in the absence of such notice so delivered, the Trustee may conclusively assume no Default exists. 
 ARTICLE VIII. 
 DISCHARGE OF INDENTURE; DEFEASANCE 

SECTION 8.1. Termination of Issuer’s Obligations. 

This Indenture will be discharged and will cease to be of further effect (except as to surviving rights of registration of transfer or
exchange of the Notes, as expressly provided for in this Indenture) as to all outstanding Notes when (a) either (i) all the Notes, theretofore authenticated (except lost, stolen or destroyed Notes that have been replaced or paid and Notes
for whose payment money has theretofore been deposited in trust or segregated and held in trust by the Issuer and thereafter repaid to the Issuer or discharged from such trust) have been delivered to the Trustee for cancellation or (ii) all
Notes not theretofore delivered to the Trustee for cancellation have become due and payable or will become due and payable within one year by reason of the giving of a notice of redemption or otherwise and the Issuer or any Subsidiary Guarantor has
irrevocably deposited or caused to be irrevocably deposited with the Trustee as trust funds in trust solely for such purpose, cash in U.S. dollars, U.S. Government Obligations, or a combination thereof, in such amounts as will be sufficient without
consideration of any reinvestment of interest, to pay and discharge the entire Indebtedness on the Notes not theretofore delivered to the Trustee for cancellation, for principal of, premium, if any, and interest on the Notes to the date of maturity
or redemption together with irrevocable instructions from the Issuer directing the Trustee to apply such funds to the payment thereof at maturity or redemption, as the case may be; (b) the Issuer has paid all other sums payable under this
Indenture by the Issuer; and (c) the Issuer has delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel stating that all conditions precedent under this Indenture relating to the satisfaction and discharge of this
Indenture have been complied with; provided, however, that such counsel may rely, as to matters of fact, on a certificate or certificates of officers of the Issuer. 

The Issuer may, at its option and at any time, elect to have its obligations and the corresponding obligations of the Subsidiary
Guarantors discharged with respect to the outstanding Notes and Subsidiary Guarantees (“Legal Defeasance”). Such Legal Defeasance 

  
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means that the Issuer shall be deemed to have paid and discharged the entire indebtedness represented by the outstanding Notes, and satisfied all of its obligations with respect to the Notes,
except for: (1) the rights of Holders to receive payments in respect of the principal of, premium, if any, and interest on the Notes when such payments are due, (2) the Issuer’s obligations with respect to the Notes concerning issuing
temporary Notes, registration of Notes, mutilated, destroyed, lost or stolen Notes and the maintenance of an office or agency for payments, (3) the rights, powers, trust, duties and immunities of the Trustee and the Issuer’s obligations in
connection therewith and (4) the Legal Defeasance provisions of this Section 8.1. In addition, the Issuer may, at its option and at any time, elect to terminate its obligations with respect to covenants contained in Sections
4.4, 4.5, 4.8 and 4.10 through 4.19 and Article V and the operation of clauses (6), (7) (with respect to Significant Subsidiaries), (8) and (9) of Section 6.1 and the limitations described
in clause (3) of the first paragraph of Section 5.1 (“Covenant Defeasance”) and thereafter any omission to comply with such obligations shall not constitute a Default or Event of Default with respect to the Notes.
The Issuer may exercise its Legal Defeasance option notwithstanding its prior exercise of its Covenant Defeasance option. In the event of Legal Defeasance, payment of the Notes may not be accelerated because of an Event of Default with respect
thereto. In the event of Covenant Defeasance, payment of the Notes may not be accelerated because of an Event of Default specified in clause (4), (5), (6), (7) (with respect to only to Significant Subsidiaries), (8) or (9) of
Section 6.1 or because of the failure of the Issuer to comply with clause (3) of the first paragraph of Section 5.1. 
 If the Issuer exercises its Legal Defeasance option or its Covenant Defeasance option, each Subsidiary Guarantor will be released from all of its obligations with respect to its Subsidiary Guarantee.

 In order to exercise either Legal Defeasance or Covenant Defeasance: 

(1) the Issuer must irrevocably deposit with the Trustee, in trust, for the benefit of the Holders cash in United States
dollars, non-callable U.S. Government Obligations, or a combination thereof, in such amounts as will be sufficient, in the opinion of a nationally recognized firm of independent public accountants, to pay the principal of, premium, if any, and
interest on the Notes on the stated date for payment thereof or on the applicable Redemption Date, as the case may be; 
 (2) in the case of Legal Defeasance, the Issuer shall have delivered to the Trustee an Opinion of Counsel in the United States reasonably acceptable to the Trustee confirming that (a) the Issuer has
received from, or there has been published by, the Internal Revenue Service a ruling or (b) since the date of this Indenture, there has been a change in the applicable federal income tax law, in either case to the effect that, and based thereon
such Opinion of Counsel shall confirm that, the Holders will not recognize income, gain or loss for federal income tax purposes as a result of such Legal 

  
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Defeasance and will be subject to federal income tax on the same amounts, in the same manner and at the same times as would have been the case if such Legal Defeasance had not occurred;

 (3) in the case of Covenant Defeasance, the Issuer shall have delivered to the Trustee an Opinion of Counsel
in the United States reasonably acceptable to the Trustee confirming that the Holders will not recognize income, gain or loss for federal income tax purposes as a result of such Covenant Defeasance and will be subject to federal income tax on the
same amounts, in the same manner and at the same times as would have been the case if such Covenant Defeasance had not occurred; 
 (4) no Default or Event of Default, of which the Trustee is deemed to have notice, shall have occurred and be continuing on the date of such deposit or insofar as Events of Default under
Section 6.1(7) or (8) from bankruptcy or insolvency events are concerned, at any time in the period ending on the 91st day after the date of deposit; 

(5) such Legal Defeasance or Covenant Defeasance shall not result in a breach or violation of, or constitute a default
under this Indenture or any other agreement or instrument to which the Issuer or any of its Restricted Subsidiaries is a party or by which the Issuer or any of its Restricted Subsidiaries is bound; 

(6) the Issuer shall have delivered to the Trustee an Officer’s Certificate stating that the deposit was not made by
the Issuer with the intent of preferring the Holders over any other creditors of the Issuer or with the intent of defeating, hindering, delaying or defrauding any other creditors of the Issuer or any Subsidiary Guarantor or others; 

(7) the Issuer shall have delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating
that all conditions precedent provided for or relating to the Legal Defeasance or the Covenant Defeasance, as the case may be, have been complied with; provided, however, that such counsel may rely, as to matters of fact, on a
certificate or certificates of officers of the Issuer; and 
 (8) the Issuer shall have delivered to the Trustee an Opinion of
Counsel to the effect that after the 91st day following the deposit, the trust funds will not be subject to the effect of any applicable bankruptcy, insolvency, reorganization or similar laws affecting creditors’ rights generally;
provided, however, that such counsel may rely, as to matters of fact, on a certificate or certificates of officers of the Issuer. 

  
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 SECTION 8.2. Application of Trust Money. 

The Trustee or Paying Agent shall hold in trust U.S. Legal Tender or U.S. Government Obligations deposited with it pursuant to
Section 8.1, and shall apply the deposited U.S. Legal Tender and the money from U.S. Government Obligations in accordance with this Indenture to the payment of the principal of, premium and Liquidated Damages, if any, and interest on the
Notes. The Trustee shall be under no obligation to invest said U.S. Legal Tender or U.S. Government Obligations except as it may agree in writing with the Issuer. 
 The Issuer and the Subsidiary Guarantors shall pay jointly and severally and indemnify the Trustee against any tax, fee or other charge imposed on or assessed against the Legal Tender or U.S. Government
Obligations deposited pursuant to Section 8.1 or the principal and interest received in respect thereof other than any such tax, fee or other charge which by law is for the account of the Holders of outstanding Notes. 

SECTION 8.3. Repayment to the Issuer. 
 Subject to Section 8.1, the Trustee and the Paying Agent shall promptly pay to the Issuer upon request any excess U.S. Legal Tender or U.S. Government Obligations held by them at any time and
thereupon shall be relieved from all liability with respect to such money. The Trustee and the Paying Agent shall pay to the Issuer upon request any money held by them for the payment of principal, interest or premium or Liquidated Damages, if any,
that remains unclaimed for one year; provided, however, that the Trustee or such Paying Agent, before being required to make any payment, may at the expense of the Issuer cause to be published once in a newspaper of general circulation
in the City of New York or mail to each Holder entitled to such money notice that such money remains unclaimed and that after a date specified therein which shall be at least 30 days from the date of such publication or mailing any unclaimed balance
of such money then remaining will be repaid to the Issuer. After payment to the Issuer, Holders entitled to such money must look to the Issuer for payment as general creditors unless an applicable law designates another Person. 

SECTION 8.4. Reinstatement. 
 If the Trustee or Paying Agent is unable to apply any U.S. Legal Tender or U.S. Government Obligations in accordance with Section 8.1 by reason of any legal proceeding or by reason of any
order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, the Issuer’s and the Subsidiary Guarantors’ obligations under this Indenture and the Notes and the Subsidiary
Guarantees shall be revived and reinstated as though no deposit had occurred pursuant to Section 8.1 until such time as the Trustee or Paying Agent is permitted to apply all such U.S. Legal Tender or U.S. Government Obligations in
accordance with Section 8.1; provided, however, that if the Issuer has made any payment of interest or premium or Liquidated Damages, if any, on or principal of any Notes because of the reinstatement of its obligations, the
Issuer shall be subrogated to 

  
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the rights of the Holders of such Notes to receive such payment from the U.S. Legal Tender or U.S. Government Obligations held by the Trustee or Paying Agent. 

SECTION 8.5. Acknowledgment of Discharge by Trustee. 

After (i) the conditions of Section 8.1 have been satisfied, (ii) the Issuer has paid or caused to be paid all
other sums payable under this Indenture by the Issuer and (iii) the Issuer has delivered to the Trustee an Officer’s Certificate and an Opinion of Counsel, each stating that all conditions precedent referred to in clause (i) of this
Section 8.5 relating to the satisfaction and discharge of this Indenture have been complied with, the Trustee upon request shall acknowledge in writing the discharge of the Issuer’s obligations under this Indenture except for those
surviving obligations specified in Section 8.1, provided the legal counsel delivering such Opinion of Counsel may rely as to matters of fact on one or more Officer’s Certificates of the Issuer. 

ARTICLE IX. 

MODIFICATION OF THE INDENTURE 
 SECTION 9.1. Without Consent of Holders. 
 Without the
consent of any Holder, the Issuer, the Subsidiary Guarantors and the Trustee may amend this Indenture and the Notes to: 
 (1) cure any ambiguity, omission, defect, mistake or inconsistency that does not adversely affect the Holders; 
 (2) provide for the assumption by a successor corporation of the obligations of the Issuer or any Subsidiary Guarantor under this Indenture; 

(3) provide for uncertificated Notes in addition to or in place of certificated Notes (provided that the
uncertificated Notes are issued in registered form for purposes of Section 163(f) of the Code, or in a manner such that the uncertificated Notes are described in Section 163(f)(2)(B) of the Code); 

(4) add Guarantees with respect to the Notes, including Subsidiary Guarantees, or release a Subsidiary Guarantor from its
Subsidiary Guarantee and terminate such Subsidiary Guarantee; provided, however, that the release and termination is in accord with the applicable provisions of this Indenture; 

(5) secure the Notes or Subsidiary Guarantees; 

  
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 (6) add to the covenants of the Issuer or a Subsidiary Guarantor for the
benefit of the Holders or surrender any right or power conferred upon the Issuer or a Subsidiary Guarantor; 

(7) make any change that does not adversely affect the rights of any Holder; 

(8) comply with any requirement of the SEC in connection with the qualification of this Indenture under the TIA;

 (9) conform the text of this Indenture, the Notes or the Subsidiary Guarantees to any provision of the
“Description of the Notes” under the Offering Circular to the extent that such provision in the “Description of the Notes” under the Offering Circular was intended to be a verbatim recitation of a provision of this Indenture, the
Notes or the Subsidiary Guarantees; 
 (10) if necessary, in connection with any addition or termination or
discharge of any Subsidiary Guarantee, when such termination or discharge is permitted by this Indenture; 
 (11)
provide for the issuance of exchange securities which shall have terms substantially identical in all respects to the Notes (except that the transfer restrictions contained in the Notes shall be modified or eliminated as appropriate) and which shall
be treated, together with any outstanding Notes, as a single class of securities; or 
 (12) provide for the
succession of a successor Trustee under this Indenture. 
 SECTION 9.2. With Consent of Holders.

 All other modifications and amendments of this Indenture and the Notes may be made, subject to certain exceptions, with the
consent of the Holders of a majority in principal amount of the Notes then outstanding (including without limitation, consents obtained in connection with a purchase of, or tender offer or exchange offer for, Notes) and, subject to certain
exceptions, any past default or compliance with any provisions may be waived with the consent of the Holders of a majority in principal amount of the Notes then outstanding (including, without limitation, consents obtained in connection with a
purchase of, or tender offer or exchange offer for, Notes). However, no amendment may, among other things, without the consent of each Holder of an outstanding Note affected thereby: 

(1) reduce the principal amount of Notes whose Holders must consent to an amendment, supplement or waiver of any provision
of this Indenture, the Notes or the Subsidiary Guarantees; 

  
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 (2) reduce the stated rate of or change the stated time for payment of
interest on any Note; 
 (3) reduce the principal of or change the Stated Maturity of any Note; 

(4) reduce the premium payable upon the redemption of any Note pursuant to Section 3.3, or change the time at
which any Note may be redeemed pursuant to Section 3.3, or make any change to the covenants described in Section 4.15 after the occurrence of a Change of Control, or make any change to the provisions relating to an Asset
Disposition Offer that has been made, in each case whether through an amendment or waiver of provisions in the covenants, definitions or otherwise; 
 (5) make any Note payable in money other than that stated in the Note; 
 (6) impair the right of any Holder to receive payment of, premium, if any, principal of and interest on such Holder’s Notes on or after the due dates therefor or to institute suit for the enforcement
of any payment on or with respect to such Holder’s Notes; 
 (7) make any change in the amendment or waiver
provisions which require each Holder’s consent; 
 (8) modify the Subsidiary Guarantees in any manner
adverse to the Holders of the Notes; or 
 (9) make any change to or modify the ranking of the Notes that would
adversely affect the Holders. 
 The consent of the Holders is not necessary under this Indenture to approve the particular form of any proposed
amendment. It is sufficient if such consent approves the substance of the proposed amendment. A consent to any amendment or waiver under this Indenture by any Holder given in connection with a tender of such Holder’s Notes will not be rendered
invalid by such tender. After an amendment under this Indenture becomes effective, the Issuer is required to mail to the Holders a notice briefly describing such amendment. However, failure to give such notice to all the Holders, or any defect in
the notice will not impair or affect the validity of the amendment. 
 SECTION 9.3. Compliance with Trust Indenture
Act. 
 Every amendment, waiver or supplement of this Indenture or the Notes shall comply with the TIA as then in
effect; provided, however, that this Section 9.3 shall not of itself require that this Indenture or the Trustee be qualified under the TIA or constitute any 

  
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admission or acknowledgment by any party hereto that any such qualification is required prior to the time this Indenture and the Trustee are required by the TIA to be so qualified. 

SECTION 9.4. Revocation and Effect of Consents. 

Until an amendment, waiver or supplement becomes effective, a consent to it by a Holder is a continuing consent by the Holder and every
subsequent Holder of a Note or portion of a Note that evidences the same debt as the consenting Holder’s Note, even if notation of the consent is not made on any Note. Subject to the following paragraph, any such Holder or subsequent Holder may
revoke the consent as to such Holder’s Note or portion of such Note by notice to the Trustee or the Issuer received before the date on which the Trustee receives an Officer’s Certificate certifying that the Holders of the requisite
principal amount of Notes have consented (and not theretofore revoked such consent) to the amendment, supplement or waiver. An amendment, supplement or waiver becomes effective upon receipt by the Trustee of such Officer’s Certificate and
evidence of consent by the Holders of the requisite percentage in principal amount of outstanding Notes. 
 The Issuer may, but
shall not be obligated to, fix a Record Date for the purpose of determining the Holders entitled to consent to any amendment, supplement or waiver, which Record Date shall be at least 30 days prior to the first solicitation of such consent. If a
Record Date is fixed, then notwithstanding the second sentence of the immediately preceding paragraph, those Persons who were Holders at such Record Date (or their duly designated proxies), and only those Persons, shall be entitled to revoke any
consent previously given, whether or not such Persons continue to be Holders after such Record Date. No such consent shall be valid or effective for more than 90 days after such Record Date unless consents from Holders of the requisite percentage in
principal amount of outstanding Notes required under this Indenture for the effectiveness of such consents shall have also been given and not revoked within such 90 day period. 

SECTION 9.5. Notation on or Exchange of Notes. 

If an amendment, supplement or waiver changes the terms of a Note, the Trustee may require the Holder of such Note to deliver it to the
Trustee. The Trustee may place an appropriate notation on the Note about the changed terms and return it to the Holder. Alternatively, if the Issuer or the Trustee so determines, the Issuer in exchange for the Note shall issue and the Trustee shall
authenticate a new Note that reflects the changed terms. 
 SECTION 9.6. Trustee To Sign Amendments, Etc.

 The Trustee shall execute any amendment, supplement or waiver authorized pursuant to this Article IX; provided,
however, that the Trustee may, but shall not be obligated to, execute any such amendment, supplement or waiver which affects the Trustee’s own rights, duties or immunities under this Indenture. In executing such supplement or waiver the


  
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Trustee shall be entitled to receive indemnity reasonably satisfactory to it, and shall be fully protected in relying upon an Opinion of Counsel and an Officer’s Certificate of the Issuer,
stating that no event of default shall occur as a result of such amendment, supplement or waiver and that the execution of any amendment, supplement or waiver authorized pursuant to this Article IX is authorized or permitted by this Indenture,
provided the legal counsel delivering such Opinion of Counsel may rely as to matters of fact on one or more Officer’s Certificates of the Issuer. Such Opinion of Counsel shall not be an expense of the Trustee. 

ARTICLE X. 

[INTENTIONALLY OMITTED] 
 ARTICLE XI. 
 MISCELLANEOUS 

SECTION 11.1. TIA Controls. 
 If any provision of this Indenture limits, qualifies, or conflicts with another provision which is required to be included in this Indenture by the TIA, the required provision shall control;
provided, however, that this Section 11.1 shall not of itself require that this Indenture or the Trustee be qualified under the TIA or constitute any admission or acknowledgment by any party hereto that any such
qualification is required prior to the time this Indenture and the Trustee are required by the TIA to be so qualified. 

SECTION 11.2. Notices. 
 Any notices or other communications required or permitted under this Indenture shall be in writing, and shall be sufficiently given if made by hand delivery, by telex, by telecopier or registered or
certified mail, postage prepaid, return receipt requested, addressed as follows: 
 if to the Issuer and/or any Subsidiary
Guarantor: 
 c/o GMX Resources Inc. 
 9400 North Broadway, Suite 600, 
 Oklahoma City, OK 73114 

Telecopier Number: (405) 600-0711 
 Attn: Chief Financial Officer 

  
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 if to the Trustee: 
 The Bank of New York Mellon Trust Company, N.A., 
 10161 Centurion Parkway

 Jacksonville, FL 32256 
 Telecopier Number: (904) 645-1921 
 Attn: Craig Kaye 

The Issuer, the Subsidiary Guarantors and the Trustee by written notice to the other may designate additional or different addresses for
notices to such Person. Any notice or communication to the Issuer or the Trustee shall be deemed to have been given or made as of the date so delivered if hand delivered; when receipt is acknowledged, if faxed; and five (5) calendar days after
mailing if sent by registered or certified mail, postage prepaid (except that a notice of change of address shall not be deemed to have been given until actually received by the addressee). 

Any notice or communication mailed to a Holder shall be mailed to him by first-class mail or other equivalent means at his address as it
appears on the registration books of the Registrar ten (10) days prior to such mailing and shall be sufficiently given to him if so mailed within the time prescribed. 
 Any notice or communication shall also be so mailed to any Person described in TIA § 313(c), to the extent required by the TIA. 

Failure to mail a notice or communication to a Holder or any defect in it shall not affect its sufficiency with respect to other Holders.
If a notice or communication is mailed in the manner provided above, it is duly given, whether or not the addressee receives it. 
 SECTION 11.3. Communications by Holders with Other Holders. 

Holders may communicate pursuant to TIA § 312(b) with other Holders with respect to their rights under this Indenture or the Notes.
The Issuer, the Trustee, the Registrar and any other Person shall have the protection of TIA § 312(c). 
 SECTION 11.4.
Certificate and Opinion as to Conditions Precedent. 
 Upon any request or application by the Issuer and/or
any Subsidiary Guarantor to the Trustee to take any action under this Indenture, the Issuer and/or any Subsidiary Guarantor shall furnish to the Trustee: 

  
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 (1) an Officer’s Certificate, in form and substance satisfactory to the
Trustee, stating that, in the opinion of the signers, all conditions precedent to be performed by the Issuer, if any, provided for in this Indenture relating to the proposed action have been complied with; and 

(2) an Opinion of Counsel stating that, in the opinion of such counsel, all such conditions precedent to be performed by
the Issuer, if any, provided for in this Indenture relating to the proposed action have been complied with (which counsel, as to factual matters, may rely on an Officer’s Certificate). 

SECTION 11.5. Statements Required in Certificate or Opinion. 

Each certificate or opinion with respect to compliance with a condition or covenant provided for in this Indenture, other than the
Officer’s Certificate required by Section 4.6, shall comply with TIA § 314(e) and include: 

(1) a statement that the Person making such certificate or opinion has read such covenant or condition; 

(2) a brief statement as to the nature and scope of the examination or investigation upon which the statements or opinions
contained in such certificate or opinion are based; 
 (3) a statement that, in the opinion of such Person, he
has made such examination or investigation as is reasonably necessary to enable him to express an informed opinion as to whether or not such covenant or condition has been complied with; and 

(4) a statement as to whether or not, in the opinion of each such Person, such condition or covenant has been complied
with. 
 SECTION 11.6. Rules by Trustee, Paying Agent, Registrar. 

The Trustee may make reasonable rules in accordance with the Trustee’s customary practices for action by or at a meeting of Holders.
The Paying Agent or Registrar may make reasonable rules for its functions. 
 SECTION 11.7. Legal
Holidays. 
 A “Legal Holiday” used with respect to a particular place of payment is a Saturday, a
Sunday or a day on which commercial banking institutions in New York, New York, Minneapolis, Minnesota or Dallas/Fort Worth, Texas or at such place of payment are authorized 

  
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or required by law to close. If a payment date is a Legal Holiday at such place, payment may be made at such place on the next succeeding day that is not a Legal Holiday, and no interest shall
accrue for the intervening period. 
 SECTION 11.8. Governing Law. 

THIS INDENTURE , THE NOTES AND THE SUBSIDIARY GUARANTEES SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF
NEW YORK. Each of the parties hereto agrees to submit to the jurisdiction of the courts of the State of New York in any action or proceeding arising out of or relating to this Indenture. 

SECTION 11.9. No Adverse Interpretation of Other Agreements. 

This Indenture may not be used to interpret another indenture, loan or debt agreement of the Issuer or any of its respective
Subsidiaries. Any such indenture, loan or debt agreement may not be used to interpret this Indenture. 
 SECTION 11.10.
No Personal Liability. 
 No director, officer, employee, incorporator or shareholder of the Issuer or any
Subsidiary Guarantor, as such, shall have any liability for any of the Issuer’s obligations under the Notes, the Subsidiary Guarantors’ obligations under the Subsidiary Guarantees or this Indenture or any claim based on, in respect of, or
by reason of, such obligations or their creation. Each Holder, by accepting a Note, waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. 

SECTION 11.11. Successors. 
 All agreements of the Issuer and the Subsidiary Guarantors in this Indenture, the Notes and the Subsidiary Guarantees shall bind their successors. All agreements of the Trustee in this Indenture shall
bind its successors. 
 SECTION 11.12. Duplicate Originals. 

All parties may sign any number of copies of this Indenture. Each signed copy shall be an original, but all of them together shall
represent the same agreement. 
 SECTION 11.13. Severability. 

In case any one or more of the provisions in this Indenture or in the Notes shall be held invalid, illegal or unenforceable, in any
respect for any reason, the validity, legality and enforceability of any such provision in every other respect and of the remaining provisions 

  
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shall not in any way be affected or impaired thereby, it being intended that all of the provisions hereof shall be enforceable to the full extent permitted by law. 

SECTION 11.14. Independence of Covenants. 
 All covenants and agreements in this Indenture and the Notes shall be given independent effect so that if any particular action or condition is not permitted by any of such covenants, the fact that it
would be permitted by an exception to, or otherwise be within the limitations of, another covenant shall not avoid the occurrence of a Default or an Event of Default if such action is taken or condition exists. 

ARTICLE XII. 

SUBSIDIARY GUARANTEE OF NOTES 
 SECTION 12.1. Unconditional Subsidiary Guarantee. 
 Subject
to the provisions of this Article XII, each Subsidiary Guarantor, if any, hereby, jointly and severally, unconditionally and irrevocably Guarantees, on an unsecured senior basis to each Holder of a Note authenticated and delivered by the Trustee and
to the Trustee and its successors and assigns, irrespective of the validity and enforceability of this Indenture, the Notes or the obligations of the Issuer or any other Subsidiary Guarantors to the Holders or the Trustee under this Indenture or
thereunder, that: (a) the principal of, premium and Liquidated Damages, if any, and interest on the Notes shall be duly and punctually paid in full when due, whether at maturity, upon redemption at the option of Holders pursuant to the
provisions of the Notes relating thereto, by acceleration or otherwise, and interest on the overdue principal and (to the extent permitted by law) interest, if any, on the Notes and all other obligations of the Issuer or the Subsidiary Guarantors to
the Holders or the Trustee under this Indenture or thereunder (including amounts due the Trustee under Section 7.7 hereof) and all other obligations shall be promptly paid in full or performed, all in accordance with the terms hereof and
thereof; and (b) in case of any extension of time of payment or renewal of any Notes or any of such other obligations, the same shall be promptly paid in full when due or performed in accordance with the terms of the extension or renewal,
whether at maturity, by acceleration or otherwise. Failing payment when due of any amount so guaranteed, or failing performance of any other obligation of the Issuer to the Holders under this Indenture or under the Notes, for whatever reason, each
Subsidiary Guarantor shall be obligated to pay, or to perform or cause the performance of, the same immediately. An Event of Default under this Indenture or the Notes shall constitute an event of default under the Subsidiary Guarantees, and shall
entitle the Holders of Notes to accelerate the obligations of the Subsidiary Guarantors under this Indenture in the same manner and to the same extent as the obligations of the Issuer. 

  
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 Each of the Subsidiary Guarantors hereby agrees that its obligations under this Indenture
shall be unconditional, irrespective of the validity, regularity or enforceability of the Notes or this Indenture, the absence of any action to enforce the same, any waiver or consent by any Holder of the Notes with respect to any provisions hereof
or thereof, any release of any other Subsidiary Guarantor, the recovery of any judgment against the Issuer, any action to enforce the same, whether or not a Subsidiary Guarantee is affixed to any particular Note, or any other circumstance which
might otherwise constitute a legal or equitable discharge or defense of a Subsidiary Guarantor. Each of the Subsidiary Guarantors hereby waives the benefit of diligence, presentment, demand of payment, filing of claims with a court in the event of
insolvency or bankruptcy of the Issuer, any right to require a proceeding first against the Issuer, protest, notice and all demands whatsoever and covenants that its Subsidiary Guarantee shall not be discharged except by complete performance of the
obligations contained in the Notes, this Indenture and this Subsidiary Guarantee. Each Subsidiary Guarantee is a guarantee of payment and not of collection. If any Holder or the Trustee is required by any court or otherwise to return to the Issuer
or to any Subsidiary Guarantor, or any custodian, trustee, liquidator or other similar official acting in relation to the Issuer or such Subsidiary Guarantor, any amount paid by the Issuer or such Subsidiary Guarantor to the Trustee or such Holder,
this Subsidiary Guarantee, to the extent theretofore discharged, shall be reinstated in full force and effect. Each Subsidiary Guarantor further agrees that, as between it, on the one hand, and the Holders of Notes and the Trustee, on the other
hand, (a) subject to this Article XII, the maturity of the obligations guaranteed hereby may be accelerated as provided in Article VI hereof for the purposes of its Subsidiary Guarantee, notwithstanding any stay, injunction or other prohibition
preventing such acceleration in respect of the obligations guaranteed hereby, and (b) in the event of any acceleration of such obligations as provided in Article VI hereof, such obligations (whether or not due and payable) shall forthwith
become due and payable by the Subsidiary Guarantors for the purpose of its Subsidiary Guarantee. 
 No shareholder, officer,
director, employee, partner or incorporator, past, present or future, or any Subsidiary Guarantor, as such, shall have any personal liability under the Subsidiary Guarantees by reason of his, her or its status as such shareholder, officer, director,
employee, partner or incorporator. 
 SECTION 12.2. Limitations on Subsidiary Guarantees. 

The obligations of each Subsidiary Guarantor under its Subsidiary Guarantee will be limited to the maximum amount which, after giving
effect to all other contingent and fixed liabilities of such Subsidiary Guarantor and after giving effect to any collections from or payments made by or on behalf of any other Subsidiary Guarantor in respect of the obligations of such other
Subsidiary Guarantor under its Subsidiary Guarantee or pursuant to its contribution obligations under this Indenture, will result in the obligations of such Subsidiary Guarantor under its Subsidiary Guarantee not constituting a fraudulent conveyance
or fraudulent transfer under federal or state law. 

  
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 SECTION 12.3. Execution and Delivery of Subsidiary Guarantee Notation.

 To further evidence its Subsidiary Guarantee set forth in Section 12.1, each Subsidiary Guarantor hereby agrees
that a notation of such Subsidiary Guarantee, substantially in the form of Exhibit E herein, shall be endorsed on each Note authenticated and delivered by the Trustee. Such notation shall be executed on behalf of each Subsidiary Guarantor by
either manual or facsimile signature of one Officer of each Subsidiary Guarantor, who, in each case, shall have been duly authorized to so execute by all requisite corporate action. The validity and enforceability of any Subsidiary Guarantee shall
not be affected by the fact that such notation is not affixed to any particular Note. 
 Each of the Subsidiary Guarantors
hereby agrees that its Subsidiary Guarantee set forth in Section 12.1 shall remain in full force and effect notwithstanding any failure to endorse on each Note a notation of such Subsidiary Guarantee. 

If an Officer of a Subsidiary Guarantor whose signature is on this Indenture or on a notation of a Subsidiary Guarantee no longer holds
that office at the time the Trustee authenticates the Note on which such notation is endorsed or at any time thereafter, such Subsidiary Guarantor’s Subsidiary Guarantee of such Note shall be valid nevertheless. 

The delivery of any Note by the Trustee, after the authentication thereof under this Indenture, shall constitute due delivery of any
Subsidiary Guarantee set forth in this Indenture on behalf of each Subsidiary Guarantor. 
 SECTION 12.4. Release of a
Subsidiary Guarantor. 
 (a) If no Default exists or would exist under this Indenture, (i) upon the sale or
disposition of all of the Capital Stock of a Subsidiary Guarantor by either Issuer or a Restricted Subsidiary of such Issuer in a transaction constituting an Asset Disposition in accordance with Section 4.16, or upon the consolidation or
merger of a Subsidiary Guarantor with or into any Person in compliance with Article V (in each case, other than to either Issuer or an Affiliate of either Issuer or a Restricted Subsidiary), or (ii) upon the designation of a Subsidiary
Guarantor as an Unrestricted Subsidiary in accordance with Section 4.14 or in connection with any Legal Defeasance or satisfaction and discharge of the Notes as provided in Section 8.1, such Subsidiary Guarantor and each
Subsidiary of such Subsidiary Guarantor that is also a Subsidiary Guarantor shall be deemed released from all obligations under this Article XII without any further action required on the part of the Trustee or any Holder; provided,
however, that each such Subsidiary Guarantor is sold or disposed of or designated in accordance with this Indenture. Any Subsidiary Guarantor not so released or the entity surviving such Subsidiary Guarantor, as applicable, shall remain or be
liable under its Subsidiary Guarantee as provided in this Article XII. 

  
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 (b) The Trustee shall deliver an appropriate instrument evidencing the release of a
Subsidiary Guarantor upon receipt of a request by the Issuer or such Subsidiary Guarantor accompanied by an Officer’s Certificate and an Opinion of Counsel certifying as to the compliance with this Section 12.4, provided the
legal counsel delivering such Opinion of Counsel may rely as to matters of fact on one or more Officers Certificates of the Issuer. 
 The Trustee shall execute any documents reasonably requested by the Issuer or a Subsidiary Guarantor in order to evidence the release of such Subsidiary Guarantor from its obligations under its Subsidiary
Guarantee endorsed on the Notes and under this Article XII. 
 Except as set forth in Articles Four and Five and this
Section 12.4, nothing contained in this Indenture or in any of the Notes shall prevent any consolidation or merger of a Subsidiary Guarantor with or into the Issuer or another Subsidiary Guarantor or shall prevent any sale or conveyance
of the property of a Subsidiary Guarantor as an entirety or substantially as an entirety to the Issuer or another Subsidiary Guarantor. 
 SECTION 12.5. Waiver of Subrogation. 
 Until this Indenture
is discharged and all of the Notes are discharged and paid in full, each Subsidiary Guarantor hereby irrevocably waives and agrees not to exercise any claim or other rights which it may now or hereafter acquire against the Issuer that arise from the
existence, payment, performance or enforcement of the Issuer’s obligations under the Notes or this Indenture and such Subsidiary Guarantor’s obligations under its Subsidiary Guarantee and this Indenture, in any such instance including,
without limitation, any right of subrogation, reimbursement, exoneration, contribution, indemnification, and any right to participate in any claim or remedy of the Holders against the Issuer, whether or not such claim, remedy or right arises in
equity, or under contract, statute or common law, including, without limitation, the right to take or receive from the Issuer, directly or indirectly, in cash or other property or by set-off or in any other manner, payment or security on account of
such claim or other rights. If any amount shall be paid to any Subsidiary Guarantor in violation of the preceding sentence and any amounts owing to the Trustee or the Holders of Notes under the Notes, this Indenture, or any other document or
instrument delivered under or in connection with such agreements or instruments, shall not have been paid in full, such amount shall have been deemed to have been paid to such Subsidiary Guarantor for the benefit of, and held in trust for the
benefit of, the Trustee or the Holders and shall forthwith be paid to the Trustee for the benefit of itself or such Holders to be credited and applied to the obligations in favor of the Trustee or the Holders, as the case may be, whether matured or
unmatured, in accordance with the terms of this Indenture. Each Subsidiary Guarantor acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by this Indenture and that the waiver set forth in this
Section 12.5 is knowingly made in contemplation of such benefits. 

  
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 SECTION 12.6. Immediate Payment. 

Each Subsidiary Guarantor agrees to make immediate payment to the Trustee on behalf of the Holders of all obligations under the Notes and
this Indenture owing or payable to the respective Holders upon receipt of a demand for payment therefor by the Trustee to such Subsidiary Guarantor in writing. 
 SECTION 12.7. No Set-Off. 
 Each payment to be made by a
Subsidiary Guarantor under this Indenture in respect of the obligations under the Notes and this Indenture shall be payable in the currency or currencies in which such obligations are denominated, and shall be made without set-off, counterclaim,
reduction or diminution of any kind or nature. 
 SECTION 12.8. Obligations Absolute. 

The obligations of each Subsidiary Guarantor under this Indenture are and shall be absolute and unconditional and any monies or amounts
expressed to be owing or payable by each Subsidiary Guarantor under this Indenture which may not be recoverable from such Subsidiary Guarantor on the basis of a Subsidiary Guarantee shall be recoverable from such Subsidiary Guarantor as a primary
obligor and principal debtor in respect thereof. 
 SECTION 12.9. Obligations Continuing. 

The obligations of each Subsidiary Guarantor under this Indenture shall be continuing and shall remain in full force and effect until all
the obligations have been paid and satisfied in full. Each Subsidiary Guarantor agrees with the Trustee that it will from time to time deliver to the Trustee suitable acknowledgments of this continued liability under this Indenture and under any
other instrument or instruments in such form as counsel to the Trustee may advise and as will prevent any action brought against it in respect of any default under this Indenture being barred by any statute of limitations now or hereafter in force
and, in the event of the failure of a Subsidiary Guarantor so to do, it hereby irrevocably appoints the Trustee the attorney and agent of such Subsidiary Guarantor to make, execute and deliver such written acknowledgment or acknowledgments or other
instruments as may from time to time become necessary or advisable, in the judgment of the Trustee on the advice of counsel, to fully maintain and keep in force the liability of such Subsidiary Guarantor under this Indenture. 

SECTION 12.10. Obligations Not Reduced. 
 The obligations of each Subsidiary Guarantor under this Indenture shall not be satisfied, reduced or discharged solely by the payment of such principal, premium, if any, interest, fees and other monies or
amounts as may at any time prior to discharge of this Indenture 

  
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pursuant to Article VIII be or become owing or payable under or by virtue of or otherwise in connection with the Notes or this Indenture. 

SECTION 12.11. Obligations Reinstated. 
 The obligations of each Subsidiary Guarantor under this Indenture shall continue to be effective or shall be reinstated, as the case may be, if at any time any payment which would otherwise have reduced
the obligations of any Subsidiary Guarantor under this Indenture (whether such payment shall have been made by or on behalf of the Issuer or by or on behalf of a Subsidiary Guarantor) is rescinded or reclaimed from any of the Holders upon the
insolvency, bankruptcy, liquidation or reorganization of the Issuer or any Subsidiary Guarantor or otherwise, all as though such payment had not been made. If demand for, or acceleration of the time for, payment by the Issuer is stayed upon the
insolvency, bankruptcy, liquidation or reorganization of the Issuer, all such Indebtedness otherwise subject to demand for payment or acceleration shall nonetheless be payable by each Subsidiary Guarantor as provided herein. 

SECTION 12.12. Obligations Not Affected. 
 The obligations of each Subsidiary Guarantor under this Indenture shall not be affected, impaired or diminished in any way by any act, omission, matter or thing whatsoever, occurring before, upon or after
any demand for payment under this Indenture (and whether or not known or consented to by any Subsidiary Guarantor or any of the Holders) which, but for this provision, might constitute a whole or partial defense to a claim against any Subsidiary
Guarantor under this Indenture or might operate to release or otherwise exonerate any Subsidiary Guarantor from any of its obligations under this Indenture or otherwise affect such obligations, whether occasioned by default of any of the Holders or
otherwise, including, without limitation: 
 (a) any limitation of status or power, disability, incapacity or
other circumstance relating to the Issuer or any other person, including any insolvency, bankruptcy, liquidation, reorganization, readjustment, composition, dissolution, winding up or other proceeding involving or affecting the Issuer or any other
person; 
 (b) any irregularity, defect, unenforceability or invalidity in respect of any Indebtedness or other
obligation of the Issuer or any other person under this Indenture, the Notes or any other document or instrument; 
 (c) any failure of the Issuer, whether or not without fault on its part, to perform or comply with any of the provisions of this Indenture or the Notes, or to give notice thereof to a Subsidiary
Guarantor; 

  
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 (d) the taking or enforcing or exercising or the refusal or neglect to take
or enforce or exercise any right or remedy from or against the Issuer or any other person or their respective assets or the release or discharge of any such right or remedy; 

(e) the granting of time, renewals, extensions, compromises, concessions, waivers, releases, discharges and other
indulgences to the Issuer or any other Person; 
 (f) any change in the time, manner or place of payment of, or
in any other term of, any of the Notes, or any other amendment, variation, supplement, replacement or waiver of, or any consent to departure from, any of the Notes or this Indenture, including, without limitation, any increase or decrease in the
principal amount of or premium, if any, or interest on any of the Notes; 
 (g) any change in the ownership,
control, name, objects, businesses, assets, capital structure or constitution of the Issuer or a Subsidiary Guarantor; 
 (h) any merger or amalgamation of the Issuer or a Subsidiary Guarantor with any Person or Persons; 
 (i) the occurrence of any change in the laws, rules, regulations or ordinances of any jurisdiction by any present or future action of any governmental authority or court amending, varying, reducing or
otherwise affecting, or purporting to amend, vary, reduce or otherwise affect, any of the Issuer’s obligations under the Notes or this Indenture or the obligations of a Subsidiary Guarantor under its Subsidiary Guarantee; and 

(j) any other circumstance (other than by complete, irrevocable payment), including release of any other Subsidiary
Guarantor pursuant to Section 12.4, that might otherwise constitute a legal or equitable discharge or defense of the Issuer under this Indenture or the Notes or of a Subsidiary Guarantor in respect of its Subsidiary Guarantee under this
Indenture. 
 SECTION 12.13. Waiver. 

Without in any way limiting the provisions of Section 12.1 hereof, each Subsidiary Guarantor hereby waives notice of
acceptance hereof, notice of any liability of any Subsidiary Guarantor under this Indenture, notice or proof of reliance by the Holders upon the obligations of any Subsidiary Guarantor under this Indenture, and diligence, presentment, demand for
payment on the Issuer, protest, notice of dishonor or non-payment of any of the Issuer’s obligations, under the notes or this Indenture, or other notice or formalities to the Issuer or any Subsidiary Guarantor of any kind whatsoever.


  
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 SECTION 12.14. No Obligation To Take Action Against the
Issuer. 
 Neither the Trustee nor any other Person shall have any obligation to enforce or exhaust
any rights or remedies or to take any other steps under any security for the Issuer’s obligations under the notes or this Indenture, or against the Issuer or any other Person or any Property of the Issuer or any other Person before the Trustee
is entitled to demand payment and performance by any or all Subsidiary Guarantors of their liabilities and obligations under their Subsidiary Guarantees or under this Indenture. 

SECTION 12.15. Dealing with the Issuer and Others. 

The Holders, without releasing, discharging, limiting or otherwise affecting in whole or in part the obligations and liabilities of any
Subsidiary Guarantor under this Indenture and without the consent of or notice to any Subsidiary Guarantor, may 

(a) grant time, renewals, extensions, compromises, concessions, waivers, releases, discharges and other indulgences to the
Issuer or any other Person; 
 (b) take or abstain from taking security or collateral from the Issuer or from
perfecting security or collateral of the Issuer; 
 (c) release, discharge, compromise, realize, enforce or
otherwise deal with or do any act or thing in respect of (with or without consideration) any and all collateral, mortgages or other security given by the Issuer or any third party with respect to the obligations or matters contemplated by this
Indenture or the Notes; 
 (d) accept compromises or arrangements from the Issuer; 

(e) apply all monies at any time received from the Issuer or from any security upon such part of the Issuer’s
obligations under the Notes and this Indenture as the Holders may see fit or change any such application in whole or in part from time to time as the Holders may see fit; and 

(f) otherwise deal with, or waive or modify their right to deal with, the Issuer and all other Persons and any security as
the Holders or the Trustee may see fit. 
 SECTION 12.16. Default and Enforcement. 

If any Subsidiary Guarantor fails to pay in accordance with Section 12.6 hereof, the Trustee may proceed in its name as
trustee under this Indenture in the enforcement of the Subsidiary Guarantee of any such Subsidiary Guarantor and such Subsidiary Guarantor’s obligations thereunder and under this Indenture by any remedy provided by law, whether


  
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by legal proceedings or otherwise, and to recover from such Subsidiary Guarantor its obligations thereunder and under this Indenture. 

SECTION 12.17. Amendment, Etc. 
 No amendment, modification or waiver of any provision of this Indenture relating to any Subsidiary Guarantor or consent to any departure by any Subsidiary Guarantor or any other Person from any such
provision will in any event be effective unless it is signed by such Subsidiary Guarantor and the Trustee. 
 SECTION 12.18.
Acknowledgment. 
 Each Subsidiary Guarantor hereby acknowledges communication of the terms of this
Indenture and the Notes and consents to and approves of the same. 
 SECTION 12.19. Costs and Expenses.

 Each Subsidiary Guarantor shall pay on demand by the Trustee any and all reasonable costs, fees and expenses (including,
without limitation, legal fees on a solicitor and client basis) incurred by the Trustee, its agents, advisors and counsel or any of the Holders in enforcing any of their rights under any Subsidiary Guarantee. 

SECTION 12.20. No Merger or Waiver; Cumulative Remedies. 

No Subsidiary Guarantee shall operate by way of merger of any of the obligations of a Subsidiary Guarantor under any other agreement,
including, without limitation, this Indenture. No failure to exercise and no delay in exercising, on the part of the Trustee or the Holders, any right, remedy, power or privilege under this Indenture or under this Indenture or the Notes, shall
operate as a waiver thereof; nor shall any single or partial exercise of any right, remedy, power or privilege under this Indenture or under this Indenture or the Notes preclude any other or further exercise thereof or the exercise of any other
right, remedy, power or privilege. The rights, remedies, powers and privileges in the Subsidiary Guarantee and under this Indenture, the Notes and any other document or instrument between a Subsidiary Guarantor and/or the Issuer and the Trustee are
cumulative and not exclusive of any rights, remedies, powers and privilege provided by law. 
 SECTION 12.21. Survival
of Obligations. 
 Without prejudice to the survival of any of the other obligations of each Subsidiary Guarantor
under this Indenture, the obligations of each Subsidiary Guarantor under Section 12.1 shall survive the payment in full of the Issuer’s obligations under the Notes and this Indenture and shall be enforceable against such Subsidiary
Guarantor without regard to 

  
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and without giving effect to any defense, right of offset or counterclaim available to or which may be asserted by the Issuer or any Subsidiary Guarantor. 

SECTION 12.22. Subsidiary Guarantee in Addition to Other Obligations. 

The obligations of each Subsidiary Guarantor under its Subsidiary Guarantee and this Indenture are in addition to and not in substitution
for any other obligations to the Trustee or to any of the Holders in relation to this Indenture or the Notes and any guarantees or security at any time held by or for the benefit of any of them. 

SECTION 12.23. Severability. 
 Any provision of this Article XII which is prohibited or unenforceable in any jurisdiction shall not invalidate the remaining provisions and any such prohibition or unenforceability in any jurisdiction
shall not invalidate or render unenforceable such provision in any other jurisdiction unless its removal would substantially defeat the basic intent, spirit and purpose of this Indenture and this Article XII. 

SECTION 12.24. Successors and Assigns. 
 Each Subsidiary Guarantee shall be binding upon and inure to the benefit of each Subsidiary Guarantor and the Trustee and the other Holders and their respective successors and permitted assigns, except
that no Subsidiary Guarantor may assign any of its obligations under this Indenture or thereunder. 

  
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 SIGNATURES 
 IN WITNESS WHEREOF, the parties hereto have caused this Indenture to be duly executed, all as of the date first written above. 

 

			
	GMX RESOURCES INC.
		
	By:	 	 /s/ James A. Merrill

		 	Name: James A. Merrill
		 	Title: Chief Financial Officer
	
	SUBSIDIARY GUARANTORS:
	
	DIAMOND BLUE DRILLING CO.
		
	By:	 	 /s/ James A. Merrill

		 	Name: James A. Merrill
		 	Title: Vice President
	
	ENDEAVOR PIPELINE INC.
		
	By:	 	 /s/ James A. Merrill

		 	Name: James A. Merrill
		 	Title: Vice President



  
 S-1









 
			
	 THE BANK OF NEW YORK MELLON
 TRUST COMPANY, N.A., as Trustee

		
	By:	 	 /s/ Craig A. Kaye

		 	Name: Craig A. Kaye
		 	Title: Vice President



  
 S-2









 EXHIBIT A 

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

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

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

CUSIP No.1: [        ] 

ISIN No.2: [        ] 

GMX RESOURCES INC. 

11.375% SENIOR NOTE DUE 2019 
  

			
	No. [    ]	  	$[        ]

 GMX RESOURCES INC., an Oklahoma corporation (the “Issuer,” which term includes any successor entities), for value received promises to pay to CEDE & CO. or registered assigns the
principal sum of [            ] Dollars on February 15, 2019. 

Interest Payment Dates: February 15 and August 15, commencing August 15, 2011. 

Record Dates: February 1 and August 1. 
 Reference is made to the further provisions of this Note contained herein, which will for all purposes have the same effect as if set forth at this place. 

 

			
	
1    Rule 144A Note CUSIP:
	  	38011M AK4
	 Regulation S Note CUSIP:
	  	U3822V AB4
	 IAI Note CUSIP:
	  	38011M AM0
	 Exchange Note CUSIP:
	  	38011M AL2
		
	
2    Rule 144A Note ISIN:
	  	38011M AK4
	 Regulation S Note ISIN:
	  	U3822V AB4
	 IAI Note ISIN:
	  	US38011MAM01
	 Exchange Note ISIN:
	  	38011M AL2


  
 A-1









 IN WITNESS WHEREOF, the Issuer has caused this Note to be signed manually or by facsimile by
its duly authorized officers and a facsimile of its corporate seal to be affixed hereto or imprinted hereon. 
  

			
	GMX RESOURCES INC.
		
	By:	 	  

		 	Name:
		 	Title:


 Dated: 

Certificate of Authentication 

This is one of the 11.375% Senior Notes due 2019 referred to in the within-mentioned Indenture. 

 

			
	 THE BANK OF NEW YORK MELLON
 TRUST COMPANY, N.A., as Trustee

		
	By:	 	  

		 	Authorized Signatory


 Date of Authentication:


  
 A-2









 (REVERSE OF SECURITY) 

11.375% Senior Note due 2019 
 (1) Interest. GMX RESOURCES INC. (the “Issuer”) promises to pay interest on the principal amount of this Note at the rate per annum shown above and Liquidated Damages, if any,
payable pursuant to Section 6 of the Registration Rights Agreement referred to below. Interest on the Notes will accrue from the most recent date on which interest has been paid or, if no interest has been paid, from February 9, 2011. The
Issuer will pay interest and Liquidated Damages, if any, semi-annually in arrears on each Interest Payment Date, commencing August 15, 2011. Interest will be computed on the basis of a 360-day year of twelve 30-day months and, in the case of a
partial month, the actual number of days elapsed. 
 The Issuer shall pay interest on overdue principal and on overdue
installments of interest and Liquidated Damages, if any, from time to time on demand at a rate of two percentage points per annum in excess of the rate borne by the Notes and on overdue installments of interest (without regard to any applicable
grace periods) to the extent lawful. 
 (2) Method of Payment. The Issuer shall pay interest and Liquidated Damages, if
any, on the Notes (except defaulted interest) to the Persons who are the registered Holders at the close of business on the Record Date immediately preceding the Interest Payment Date even if the Notes are canceled on registration of transfer or
registration of exchange after such Record Date. Holders must surrender Notes to a Paying Agent to collect principal payments. The Issuer shall pay principal, premium and Liquidated Damages, if any, and interest in money of the United States that at
the time of payment is legal tender for payment of public and private debts (“U.S. Legal Tender”). The Issuer may deliver any such interest payment to the Paying Agent or to a Holder at the Holder’s registered address.

 (3) Paying Agent and Registrar. Initially, The Bank of New York Mellon Trust Company, N.A., (the
“Trustee”) will act as Paying Agent and Registrar. The Issuer may change any Paying Agent, Registrar or co-Registrar without notice to the Holders. 
 (4) Indenture. The Issuer issued the Notes under an Indenture, dated as of February 9, 2011 (the “Indenture”), among the Issuer, the Subsidiary Guarantors and the Trustee.
This Note is one of a duly authorized issue of Notes of the Issuer designated as its 11.375% Senior Notes due 2019 (the “Notes”). The Notes include any Additional Notes. The Notes and any Additional Notes are treated as a single
class of securities under the Indenture. Capitalized terms herein are used as defined in the Indenture unless otherwise defined herein. The terms of the Notes include those stated in the Indenture and those made part of the Indenture by reference to
the Trust Indenture Act of 1939 (15 U.S. Code §§ 77aaa-77bbbb) (the “TIA”), as in effect on the date of the Indenture. Notwithstanding anything to the contrary herein, the Notes are subject to all such terms, and Holders
of Notes are referred to the Indenture and said Act for a statement of them. The Notes are general unsecured obligations of the 

  
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Issuer. Payment on each Note is guaranteed on a senior basis by the Subsidiary Guarantors pursuant to Article XII of the Indenture. Each Holder, by accepting a Note, agrees to be bound by all of
the terms and provisions of the Indenture, as the same may be amended from time to time in accordance with its terms. 
 (a) (5)
Redemption. (a) Except as described in subparagraphs (b) and (c) below, the Issuer will not be entitled to redeem the Notes at its option prior to February 15, 2015. The Notes will be redeemable, at the Issuer’s
option, in whole at any time or in part from time to time, on and after February 15, 2015, upon not less than 30 nor more than 60 prior days’ notice, at the following Redemption Prices (expressed as a percentages of the principal amount of
the Notes) plus accrued and unpaid interest on the Notes, if any, to the applicable Redemption Date (subject to the right of Holders of record on the relevant Record Date to receive interest due on the relevant Interest Payment Date), if redeemed
during the twelve-month period beginning on February 15 of the years set forth below: 
  

					
	 Year
	  	Percentage	 
	 2015
	  	 	108.531	% 
	 2016
	  	 	105.688	% 
	 2017
	  	 	102.844	% 
	 2018 and thereafter
	  	 	100.000	% 

 (b) At any time on or
prior to February 15, 2014, the Issuer may, at its option, on any one or more occasions redeem up to 35% of the aggregate principal amount of the Notes (including Additional Notes) issued under this Indenture with the Net Cash Proceeds of one
or more Equity Offerings at a redemption price of 111.375% of the principal amount thereof, plus accrued and unpaid interest, if any, Liquidated Damages, if any, to the Redemption Date (subject to the right of Holders of record on the relevant
Record Date to receive interest due on the relevant Interest Payment Date); provided that (1) at least 65% of the original principal amount of the Notes issued on the Issue Date remains outstanding after each such redemption; and
(2) the redemption occurs within 90 days after the closing of the related Equity Offering. 
 (c) In addition, the Notes
may be redeemed, in whole or in part, at any time prior to February 15, 2015 at the option of the Issuer upon not less than 30 nor more than 60 days’ prior notice mailed by first-class mail to each Holder at its registered address, at a
Redemption Price equal to 100% of the principal amount of the Notes redeemed plus the Applicable Premium as of, and accrued and unpaid interest to, the applicable Redemption Date (subject to the right of Holders of record on the relevant Record Date
to receive interest due on the relevant Interest Payment Date). 

  
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 (6) Notice of Redemption. Notice of redemption will be mailed at least 30 days but
not more than 60 days before the Redemption Date to each Holder of Notes to be redeemed at such Holder’s registered address. Notes in denominations larger than $2,000 may be redeemed in part. 

Except as set forth in the Indenture, if monies for the redemption of the Notes called for redemption shall have been deposited with the
Paying Agent for redemption on such Redemption Date, then, unless the Issuer defaults in the payment of such Redemption Price plus accrued interest and Liquidated Damages, if any, the Notes called for redemption will cease to bear interest from and
after such Redemption Date and the only right of the Holders of such Notes will be to receive payment of the Redemption Price plus accrued interest and Liquidated Damages, if any. 

(7) Offers to Purchase. Sections 4.15 and 4.16 of the Indenture provide that, upon the occurrence of a Change of
Control (as defined in the Indenture) and after certain Asset Dispositions (as defined in the Indenture), and subject to further limitations contained therein, the Issuer will make an offer to purchase certain amounts of the Notes in accordance with
the procedures set forth in the Indenture. 
 (8) Denominations; Transfer; Exchange. The Notes are in registered form,
without coupons, and (except Notes issued as payment of Interest) in denominations of at least $2,000 and integral multiples of $1,000 in excess thereof. A Holder shall register the transfer of or exchange Notes in accordance with the Indenture. The
Registrar may require a Holder, among other things, to furnish appropriate endorsements and transfer documents and to pay certain transfer taxes or similar governmental charges payable in connection therewith as permitted by the Indenture. The
Registrar need not register the transfer of or exchange of any Notes or portions thereof selected for redemption. 
 (9)
Persons Deemed Owners. The registered Holder of a Note shall be treated as the owner of it for all purposes. 
 (10)
Unclaimed Money. If money for the payment of principal or interest remains unclaimed for one year, the Trustee and the Paying Agent will pay the money back to the Issuer. After that, all liability of the Trustee and such Paying Agent with
respect to such money shall cease. 
 (11) Discharge Prior to Redemption or Maturity. If the Issuer at any time deposits
with the Trustee U.S. Legal Tender or U.S. Government Obligations sufficient to pay the principal of and interest on the Notes to redemption or maturity and comply with the other provisions of the Indenture relating thereto, the Issuer will be
discharged from certain provisions of the Indenture and the Notes (including certain covenants, but including, under certain circumstances, its obligation to pay the principal of and interest on the Notes but without affecting the rights of the
Holders to receive such amounts from such deposits). 

  
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 (12) Amendment; Supplement; Waiver. Subject to certain exceptions set forth in the
Indenture, the Indenture, the Notes or the Subsidiary Guarantees may be amended or supplemented with the written consent of the Holders of not less than a majority in aggregate principal amount of the Notes then outstanding, and any past Default or
Event of Default or noncompliance with any provision may be waived with the written consent of the Holders of not less than a majority in aggregate principal amount of the Notes then outstanding. Without notice to or consent of any Holder, the
parties thereto may amend or supplement the Indenture or the Notes to, among other things, cure any ambiguity, defect or inconsistency that does not adversely affect the Holders, provided that for uncertificated Notes in addition to or in place of
certificated Notes, comply with any requirements of the SEC in order to effect or maintain the qualification of the Indenture under the TIA, comply with Article V of the Indenture or make any other change that does not adversely affect the rights of
any Holder of a Note. 
 (13) Restrictive Covenants. The Indenture imposes certain limitations on the ability of the
Issuer and its Restricted Subsidiaries to, among other things, incur additional Indebtedness, make payments in respect of their Capital Stock or certain Indebtedness, make certain Investments, create or incur liens, enter into transactions with
Affiliates, create dividend or other payment restrictions affecting Restricted Subsidiaries, issue Preferred Stock of their Restricted Subsidiaries, enter into certain lines of business and on the ability of the Issuer and its Restricted
Subsidiaries to merge or consolidate with any other Person or sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of the Issuer’s and its Restricted Subsidiaries’ assets or adopt a plan of liquidation.
Such limitations are subject to a number of important qualifications and exceptions. Pursuant to Section 4.6 of the Indenture, the Issuer must annually report to the Trustee on compliance with such limitations. 

(14) Successors. When a successor assumes, in accordance with the Indenture, all the obligations of its predecessor under the
Notes and the Indenture, the predecessor, subject to certain exceptions, will be released from those obligations. 
 (15)
Defaults and Remedies. Except as set forth in the Indenture, if an Event of Default occurs and is continuing, the Trustee or the Holders of not less than 25% in principal amount of Notes then outstanding may declare all the Notes to be due
and payable in the manner, at the time and with the effect provided in the Indenture. Holders of Notes may not enforce the Indenture or the Notes except as provided in the Indenture. The Trustee is not obligated to enforce the Indenture or the Notes
unless it has received indemnity reasonably satisfactory to it. The Indenture permits, subject to certain limitations therein provided, Holders of a majority in aggregate principal amount of the Notes then outstanding to direct the Trustee in its
exercise of any trust or power. The Trustee may withhold from Holders of Notes notice of any continuing Default or Event of Default (except a Default in payment of principal, premium or Liquidated Damages, if any, or interest when due, for any
reason or a Default in compliance with Article V of the Indenture) if it determines that withholding notice is in their interest. 

  
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 (16) Trustee Dealings with Issuer. The Trustee under the Indenture, in its individual
or any other capacity, may become the owner or pledgee of Notes and may otherwise deal with the Issuer, its respective Subsidiaries or its respective Affiliates as if it were not the Trustee. 

(17) No Recourse Against Others. No partner, director, officer, employee or shareholder, as such, of the Issuer or any Subsidiary
Guarantor, as such, shall have any liability for any obligations of the Issuer or any Subsidiary Guarantor under the Notes, the Indenture or the Subsidiary Guarantees or for any claim based on, in respect of, or by reason of, such obligations or
their creation. Each Holder of Notes by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for the issuance of the Notes. 

(18) Subsidiary Guarantees. This Note will be entitled to the benefits of certain Subsidiary Guarantees, if any, made for the
benefit of the Holders. Reference is hereby made to the Indenture for a statement of the respective rights, limitations of rights, duties and obligations thereunder of the Subsidiary Guarantors, the Trustee and the Holders. 

(19) Authentication. This Note shall not be valid until the Trustee or Authenticating Agent manually signs the certificate of
authentication on this Note. 
 (20) Governing Law. This Note and the Indenture shall be governed by and construed in
accordance with the laws of the State of New York. Each of the parties hereto agrees to submit to the jurisdiction of the courts of the State of New York in any action or proceeding arising out of or relating to this Note. 

(21) Abbreviations and Defined Terms. Customary abbreviations may be used in the name of a Holder of a Note or an assignee, such
as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). 

(22) Additional Rights Of Holders. In addition to the rights provided to Holders of Notes under the Indenture, Holders of this
Note will have all the rights set forth in the Registration Rights Agreement dated as of February 9, 2011, among the Issuer, the Subsidiary Guarantors and the other parties named on the signature pages thereof or, in the case of Additional
Notes, Holders thereof will have the rights set forth in one or more registration rights agreements, if any, among the Issuer, the Subsidiary Guarantors and the other parties thereto, relating to rights given by the Issuer and the Subsidiary
Guarantors to the purchasers of any Additional Notes (collectively, the “Registration Rights Agreement”). 

(22) CUSIP Numbers. Pursuant to a recommendation promulgated by the Committee on Uniform Security Identification Procedures, the
Issuer has caused CUSIP numbers to be printed on the Notes as a convenience to the Holders of the Notes. No representation 

  
 A-7









 
is made as to the accuracy of such numbers as printed on the Notes and reliance may be placed only on the other identification numbers printed hereon. 

The Issuer will furnish to any Holder of a Note upon written request and without charge a copy of the Indenture, which has the text of
this Note, and/or the Registration Rights Agreement. Requests may be made to: GMX Resources Inc., 9400 North Broadway, Suite 600, Oklahoma City, OK 73114. 

  
 A-8









 ASSIGNMENT FORM 
 If you the Holder want to assign this Note, fill in the form below and have your signature guaranteed: 
 I or we assign and transfer this Note to: 
  

 
  
  

 
  
  

 
 (Print or type name, address and
zip code and 
 social security or tax ID number of assignee) 
 and irrevocably appoint
                                         
                       , agent to transfer this Note on the books of the Issuer. The agent may substitute another to act for him.

  

							
	Dated:	 	  
	  	Signed:	  	  

		 		  		  	(Sign exactly as your name appears
		 		  		  	on the other side of this Note)

 Signature
Guarantee:                                       
                          
 In connection with any transfer of this Note occurring prior to the date which is the earlier of (i) the date of the declaration by the SEC of the effectiveness of a registration statement under the
Securities Act of 1933, as amended (the “Securities Act”) covering resales of this Note (which effectiveness shall not have been suspended or terminated at the date of the transfer) and
(ii) [            ], the undersigned confirms that it has not utilized any general solicitation or general advertising in connection with the transfer: 

  
 A-9









 [Check One] 

 

					
	(1)	  	—	  	to the Issuer or a subsidiary thereof; or
			
	(2)	  	—	  	pursuant to and in compliance with Rule 144A under the Securities Act of 1933, as amended; or
			
	(3)	  	—	  	to an institutional “accredited investor” (as defined in Rule 501(a)(1), (2), (3) or (7) under the Securities Act of 1933, as amended) that has furnished to the Trustee
a signed letter containing certain representations and agreements (the form of which letter can be obtained from the Trustee); or
			
	(4)	  	—	  	outside the United states to a “foreign person” in compliance with Rule 904 of Regulation S under the Securities Act of 1933, as amended; or
			
	(5)	  	—	  	pursuant to the exemption from registration provided by Rule 144 under the Securities Act of 1933, as amended; or
			
	(6)	  	—	  	pursuant to an effective registration statement under the Securities Act of 1933, as amended; or
			
	(7)	  	__	  	pursuant to another available exemption from the registration requirements of the Securities Act of 1933, as amended.


and unless the box below is checked, the undersigned confirms that such Note is not being transferred to an “affiliate” of the Issuer as
defined in Rule 144 under the Securities Act of 1933, as amended (an “Affiliate”): 
  

	 	 ̈	The transferee is an Affiliate of the Issuer. 


Unless one of the items is checked, the Trustee will refuse to register any of the Notes evidenced by this certificate in the name of any person other
than the registered Holder thereof unless and until the conditions to any such transfer of registration set forth herein and in Section 2.6 of the Indenture shall have been satisfied; provided, however, that if item (3), (4),
(5) or (7) is checked, the Issuer may require, prior to registering any such transfer of the Notes, in its sole discretion, such written legal opinions, certifications (including an investment letter in the case of box (3) or
(4)) and other information the Issuer has reasonably requested to confirm that such transfer is being made pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Securities Act of 1933, as
amended. 
  

							
	Dated:	 	  
	 	Signed:	  	  

		 		 		  	(Sign exactly as your name appears
		 		 		  	on the other side of this Note)


  
 A-10









 Signature
Guarantee:                                       
                          
 TO BE COMPLETED BY PURCHASER IF (2) ABOVE IS CHECKED 
 The undersigned
represents and warrants that it is purchasing this Note for its own account or an account with respect to which it exercises sole investment discretion and that it and any such account is a “qualified institutional buyer” within the
meaning of Rule 144A under the Securities Act of 1933, as amended and is aware that the sale to it is being made in reliance on Rule 144A and acknowledges that it has received such information regarding the Issuer as the undersigned has requested
pursuant to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon the undersigned’s foregoing representations in order to claim the exemption from registration provided by Rule
144A. 
  

							
	Dated:	 	  
	 		  	  

		 		 		  	NOTICE: To be executed by an executive officer


  
 A-11









 [OPTION OF HOLDER TO ELECT PURCHASE] 

If you want to elect to have this Note purchased by the Issuer pursuant to Section 4.15 or Section 4.16 of the Indenture, check
the appropriate box: 
  

			
	Section 4.15 [    ]	  	Change of Control Offer
	Section 4.16 [    ]	  	Limitation on Sales of Assets and Subsidiary Stock

 If you want to elect to have only part of this Note purchased by the Issuer pursuant to Section 4.15 or Section 4.16 of the Indenture, state the amount you elect to have purchased: 

$                     

 

							
	Dated:	 	  
	 		  	  

		 		 		  	 NOTICE: The signature on this

		 		 		  	 assignment must correspond with

		 		 		  	 the name as it appears upon the

		 		 		  	 face of the within Note in every

		 		 		  	 particular without alteration

		 		 		  	 or enlargement or any change

		 		 		  	 whatsoever and be guaranteed.


 Signature Guarantee:
                                         
        

  
 A-12









 EXHIBIT B 
 Form of Certificate of Transfer 

[                ],
[        ] 
 The Bank of New York Mellon Trust Company, N.A., 

10161 Centurion Parkway 
 Jacksonville, FL 32256

 Attn: Corporate Trust Administration 

Ladies and Gentlemen: 

Reference is hereby made to the Indenture, dated as of February 9, 2011 (the “Indenture”), among the Issuer, the
Subsidiary Guarantors and the Trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 
                      (the “Transferor”) owns and proposes to transfer the
Note[s] or interest in such Note[s] specified in Annex A hereto, in the principal amount of $                     in such Note[s] or interests
(the “Transfer”), to                      (the “Transferee”), as further specified in Annex A hereto. In
connection with the Transfer, the Transferor hereby certifies that: 
 [CHECK ALL THAT APPLY] 

1. [    ] CHECK IF TRANSFEREE WILL TAKE DELIVERY OF A BENEFICIAL INTEREST IN THE 144A GLOBAL NOTE OR A DEFINITIVE
NOTE PURSUANT TO RULE 144A. The Transfer is being effected pursuant to and in accordance with Rule 144A under the United States Securities Act of 1933, as amended (the “Securities Act”), and, accordingly, the Transferor hereby
further certifies that the beneficial interest or Definitive Note is being transferred to a Person that the Transferor reasonably believes is purchasing the beneficial interest or Definitive Note for its own account, or for one or more accounts with
respect to which such Person exercises sole investment discretion, and such Person and each such account is a “qualified institutional buyer” within the meaning of Rule 144A in a transaction meeting the requirements of Rule 144A and such
Transfer is in compliance with any applicable blue sky securities laws of any state of the United States. 
 2.
[    ] CHECK IF TRANSFEREE WILL TAKE DELIVERY OF A BENEFICIAL INTEREST IN THE REGULATION S GLOBAL NOTE OR A DEFINITIVE NOTE PURSUANT TO REGULATION S. The Transfer is being effected pursuant to and in accordance with Rule 903 or
Rule 904 under the Securities Act and, accordingly, the Transferor hereby further certifies that (i) the Transfer is not being made to a person in the United States and (x) at the time the buy order was originated, the Transferee was
outside the United States or such Transferor and any Person acting on its behalf reasonably believed and believes that the Transferee 

  
 B-1









 
was outside the United States or (y) the transaction was executed in, on or through the facilities of a designated offshore securities market and neither such Transferor nor any Person
acting on its behalf knows that the transaction was prearranged with a buyer in the United States, (ii) no directed selling efforts have been made in contravention of the requirements of Rule 903(b) or Rule 904(b) of Regulation S under the
Securities Act (iii) the transaction is not part of a plan or scheme to evade the registration requirements of the Securities Act and (iv) if the proposed transfer is being made prior to the expiration of the Restricted Period, the
transfer is not being made to a U.S. Person or for the account or benefit of a U.S. Person (other than an Initial Purchaser). Upon consummation of the proposed transfer in accordance with the terms of the Indenture, the transferred beneficial
interest or Definitive Note will be subject to the restrictions on Transfer enumerated in the Indenture and the Securities Act. 

3. [    ] CHECK AND COMPLETE IF TRANSFEREE WILL TAKE DELIVERY OF A BENEFICIAL INTEREST IN THE IAI GLOBAL NOTE OR THE
DEFINITIVE NOTE PURSUANT TO ANY PROVISION OF THE SECURITIES ACT OTHER THAN RULE 144A OR REGULATION S. The Transfer is being effected in compliance with the transfer restrictions applicable to beneficial interests in Restricted Global Notes and
Restricted Definitive Notes and pursuant to and in accordance with the Securities Act and any applicable blue sky securities laws of any state of the United States, and accordingly the Transferor hereby further certifies that (check one):

 (a) [    ] such Transfer is being effected pursuant to and in accordance with Rule 144
under the Securities Act; 
 or 
 (b) [    ] such Transfer is being effected to the Issuer or a subsidiary thereof; 
 or 
 (c) [    ] such Transfer is being effected
pursuant to an effective registration statement under the Securities Act and in compliance with the prospectus delivery requirements of the Securities Act; 
 or 
 (d) [    ] such Transfer is being
effected to an Institutional Accredited Investor and pursuant to an exemption from the registration requirements of the Securities Act other than Rule 144A, Rule 144, Rule 903 or Rule 904, and the Transferor hereby further certifies that it has not
engaged in any general solicitation within the meaning of Regulation D under the Securities Act and the Transfer complies with the transfer restrictions applicable to beneficial interests in a Restricted Global Note or Restricted Definitive Notes
and the requirements of the exemption claimed, which certification is supported by (1) a certificate executed by the Transferee in the form of Exhibit D to the Indenture and (2) if such Transfer is in respect of a principal amount of Notes
at the time of transfer of less than $250,000, an Opinion of Counsel provided by the Transferor or the Transferee 

  
 B-2









 
(a copy of which the Transferor has attached to this certification), to the effect that such Transfer is in compliance with the Securities Act. Upon consummation of the proposed transfer in
accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the IAI Global Note and/or the Restricted
Definitive Notes and in the Indenture and the Securities Act. 
 4. [    ] CHECK IF TRANSFEREE WILL TAKE
DELIVERY OF A BENEFICIAL INTEREST IN AN UNRESTRICTED GLOBAL NOTE OR OF AN UNRESTRICTED DEFINITIVE NOTE. 
 (a)
[    ] CHECK IF TRANSFER IS PURSUANT TO RULE 144. (i) The Transfer is being effected pursuant to and in accordance with Rule 144 under the Securities Act and in compliance with the transfer restrictions contained in the
Indenture and any applicable blue sky securities laws of any state of the United States and (ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the
Securities Act. Upon consummation of the proposed Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will no longer be subject to the restrictions on transfer enumerated in the Private
Placement Legend printed on the Restricted Global Notes, on Restricted Definitive Notes and in the Indenture. 
 (b)
[    ] CHECK IF TRANSFER IS PURSUANT TO REGULATION S. (i) The Transfer is being effected pursuant to and in accordance with Rule 903 or Rule 904 under the Securities Act and in compliance with the transfer restrictions
contained in the Indenture and any applicable blue sky securities laws of any state of the United States and (ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain
compliance with the Securities Act. Upon consummation of the proposed Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will no longer be subject to the restrictions on transfer enumerated
in the Private Placement Legend printed on the Restricted Global Notes, on Restricted Definitive Notes and in the Indenture. 

(c) [    ] CHECK IF TRANSFER IS PURSUANT TO OTHER EXEMPTION. (i) The Transfer is being effected pursuant to and
in compliance with an exemption from the registration requirements of the Securities Act other than Rule 144, Rule 903 or Rule 904 and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky securities
laws of any State of the United States and (ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed
Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will not be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Global Notes or
Restricted Definitive Notes and in the Indenture. 

  
 B-3









 This certificate and the statements contained herein are made for your benefit and the
benefit of the Issuer. 
  

			
	[Insert Name of Transferor]
		
	By:	 	  

		 	Name:
		 	Title:


  

			
	Dated:	 	  



  
 B-4









 ANNEX A TO CERTIFICATE OF TRANSFER 

 

	 	1.	The Transferor owns and proposes to transfer the following: 

 [CHECK ONE OF (a) OR (b)] 
  

	 	(a)	[    ] a beneficial interest in the: 

  

	 	(i)	[    ] 144A Global Note (CUSIP 38011M AK4), or 

  

	 	(ii)	[    ] Regulation S Global Note (CUSIP U3822V AB4), or 


 

	 	(iii)	[    ] IAI Global Note (CUSIP 38011M AM0) 

  

	 	(b)	[    ] a Restricted Definitive Note. 

  

	 	2.	After the Transfer the Transferee will hold: 

 [CHECK ONE] 
  

	 	(a)	[    ] a beneficial interest in the: 

  

	 	(i)	[    ] 144A Global Note (CUSIP 38011M AK4), or 

  

	 	(ii)	[    ] Regulation S Global Note (CUSIP U3822V AB4), or 


 

	 	(iii)	[    ] IAI Global Note (CUSIP 38011M AM0) 

  

	 	(iv)	[    ] Unrestricted Global Note (CUSIP 38011M AL2) 

  

	 	(b)	[    ] a Restricted Definitive Note; or 

  

	 	(c)	[    ] an Unrestricted Definitive Note 


  
 B-5









 EXHIBIT C 
 Form of Certificate of Exchange 

[                    ],
[        ] 
 The Bank of New York Mellon Trust Company, N.A., 

10161 Centurion Parkway 
 Jacksonville, FL 32256


	Attn:	Corporate Trust Administration 

  

	 	Re:	GMX Resources Inc. (the “Issuer”) 11.375% Senior Notes due 2019 (the “Notes”) 


Ladies and Gentlemen: 

Reference is hereby made to the Indenture, dated as of February 9, 2011 (the “Indenture”), among the Issuer, the
Subsidiary Guarantors and the Trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 
                      (the “Owner”) owns and proposes to exchange the Note[s] or
interest in such Note[s] specified herein, in the principal amount of $             in such Note[s] or interests (the “Exchange”). In connection with the Exchange,
the Owner hereby certifies that: 
 (1) EXCHANGE OF RESTRICTED DEFINITIVE NOTES OR BENEFICIAL INTERESTS IN A RESTRICTED GLOBAL
NOTE FOR UNRESTRICTED DEFINITIVE NOTES OR BENEFICIAL INTERESTS IN AN UNRESTRICTED GLOBAL NOTE 
 (a)
[    ] CHECK IF EXCHANGE IS FROM BENEFICIAL INTEREST IN A RESTRICTED GLOBAL NOTE TO BENEFICIAL INTEREST IN AN UNRESTRICTED GLOBAL NOTE. In connection with the Exchange of the Owner’s beneficial interest in a Restricted
Global Note for a beneficial interest in an Unrestricted Global Note in an equal principal amount, the Owner hereby certifies (i) the beneficial interest is being acquired for the Owner’s own account without transfer, (ii) such
Exchange has been effected in compliance with the transfer restrictions applicable to the Global Notes and pursuant to and in accordance with the United States Securities Act of 1933, as amended (the “Securities Act”),
(iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the beneficial interest in an Unrestricted Global Note is
being acquired in compliance with any applicable blue sky securities laws of any state of the United States. 

  
 C-1









 (b) [    ] CHECK IF EXCHANGE IS FROM BENEFICIAL INTEREST
IN A RESTRICTED GLOBAL NOTE TO UNRESTRICTED DEFINITIVE NOTE. In connection with the Exchange of the Owner’s beneficial interest in a Restricted Global Note for an Unrestricted Definitive Note, the Owner hereby certifies (i) the Definitive
Note is being acquired for the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to the Restricted Global Notes and pursuant to and in accordance with the
Securities Act, (iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the Definitive Note is being acquired in
compliance with any applicable blue sky securities laws of any state of the United States. 
 (c)
[    ] CHECK IF EXCHANGE IS FROM RESTRICTED DEFINITIVE NOTE TO BENEFICIAL INTEREST IN AN UNRESTRICTED GLOBAL NOTE. In connection with the Owner’s Exchange of a Restricted Definitive Note for a beneficial interest in an
Unrestricted Global Note, the Owner hereby certifies (i) the beneficial interest is being acquired for the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions
applicable to Restricted Definitive Notes and pursuant to and in accordance with the Securities Act, (iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance
with the Securities Act and (iv) the beneficial interest is being acquired in compliance with any applicable blue sky securities laws of any state of the United States. 

(d) [    ] CHECK IF EXCHANGE IS FROM RESTRICTED DEFINITIVE NOTE TO UNRESTRICTED DEFINITIVE NOTE. In
connection with the Owner’s Exchange of a Restricted Definitive Note for an Unrestricted Definitive Note, the Owner hereby certifies (i) the Unrestricted Definitive Note is being acquired for the Owner’s own account without transfer,
(ii) such Exchange has been effected in compliance with the transfer restrictions applicable to Restricted Definitive Notes and pursuant to and in accordance with the Securities Act, (iii) the restrictions on transfer contained in the
Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the Unrestricted Definitive Note is being acquired in compliance with any applicable blue sky securities laws of any
state of the United States. 
 (2) EXCHANGE OF RESTRICTED DEFINITIVE NOTES OR BENEFICIAL INTERESTS IN RESTRICTED GLOBAL NOTES
FOR RESTRICTED DEFINITIVE NOTES OR BENEFICIAL INTERESTS IN RESTRICTED GLOBAL NOTES 
 (a)
[    ] CHECK IF EXCHANGE IS FROM BENEFICIAL INTEREST IN A RESTRICTED GLOBAL NOTE TO RESTRICTED DEFINITIVE NOTE. In connection with the Exchange of the Owner’s beneficial interest in a Restricted


  
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Global Note for a Restricted Definitive Note with an equal principal amount, the Owner hereby certifies that the Restricted Definitive Note is being acquired for the Owner’s own account
without transfer. Upon consummation of the proposed Exchange in accordance with the terms of the Indenture, the Restricted Definitive Note issued will continue to be subject to the restrictions on transfer enumerated in the Private Placement Legend
printed on the Restricted Definitive Note and in the Indenture and the Securities Act. 
 (b)
[    ] CHECK IF EXCHANGE IS FROM RESTRICTED DEFINITIVE NOTE TO BENEFICIAL INTEREST IN A RESTRICTED GLOBAL NOTE. In connection with the Exchange of the Owner’s Restricted Definitive Note for a beneficial interest in the
[CHECK ONE] [    ] 144A Global Note [    ] Regulation S Global Note [    ] IAI Global Note, with an equal principal amount, the Owner hereby certifies (i) the beneficial interest is
being acquired for the Owner’s own account without transfer and (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to the Restricted Global Notes and pursuant to and in accordance with the
Securities Act, and in compliance with any applicable blue sky securities laws of any state of the United States. Upon consummation of the proposed Exchange in accordance with the terms of the Indenture, the beneficial interest issued will be
subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the relevant Restricted Global Note and in the Indenture and the Securities Act. 
 This certificate and the statements contained herein are made for your benefit and the benefit of the Issuer and are dated
                                        .

  

			
	[Insert Name of Transferor]
		
	By:	 	  

		 	Name:
		 	Title:


  

			
	Dated:	 	  



  
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 EXHIBIT D 
 FORM OF CERTIFICATE FROM 
 ACQUIRING INSTITUTIONAL ACCREDITED INVESTOR

 The Bank of New York Mellon Trust Company, N.A. 
 10161 Centurion Parkway 
 Jacksonville, FL 32256 

Attn: Corporate Trust Administration 
 Re: 11.375% Senior Notes due 2019 
 Reference is hereby made to the
Indenture, dated as of February 9, 2011 (the “Indenture”), among GMX Resources Inc., (the “Issuer”), the Subsidiary Guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee (the
“Trustee”). Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 

In connection with our proposed purchase of $             aggregate
principal amount of: 
 (a)  ̈ a beneficial interest in a Global Note, or

 (b)  ̈ a Definitive Note, 

we confirm that: 
 1. We understand that any subsequent transfer of the Notes or any interest therein is subject to certain restrictions and conditions set forth in the Indenture and the undersigned agrees to be bound by,
and not to resell, pledge or otherwise transfer the Notes or any interest therein except in compliance with, such restrictions and conditions and the United States Securities Act of 1933, as amended (the “Securities Act”).

 2. We understand that the offer and sale of the Notes have not been registered under the Securities Act, and that the Notes
and any interest therein may not be offered or sold except as permitted in the following sentence. We agree, on our own behalf and on behalf of any accounts for which we are acting as hereinafter stated, that if we should sell the Notes or any
interest therein, we will do so only (A) to the Issuer or any subsidiary thereof, (B) in accordance with Rule 144A under the Securities Act to a “qualified institutional buyer” (as defined therein), (c) to an institutional
“accredited investor” (as defined below) that, prior to such transfer, furnishes (or has furnished on its behalf by a U.S. broker-dealer) to you and to the Issuer a signed letter substantially in the form of this letter and, if such
transfer is in respect of a principal amount of Notes, at the time of transfer of less than $250,000, an Opinion of Counsel in form reasonably acceptable to the Issuer to the effect that such transfer is in compliance with the Securities Act,
(D) outside the United States in accordance with Rule 904 of Regulation S under the Securities Act, (E) pursuant to the provisions of Rule 144(k) under the Securities Act or (F) pursuant to an effective registration statement under
the Securities Act, and we further agree to provide to any person purchasing the Definitive Note or beneficial interest in a Global Note from us in a transaction meeting the requirements 

  
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of clauses (A) through (E) of this paragraph a notice advising such purchaser that resales thereof are restricted as stated herein. 

3. We understand that, on any proposed resale of the Notes or beneficial interest therein, we will be required to furnish to you and the
Issuer such certifications, legal opinions and other information as you and the Issuer may reasonably require to confirm that the proposed sale complies with the foregoing restrictions. We further understand that the Notes purchased by us will bear
a legend to the foregoing effect. We further understand that any subsequent transfer by us of the Notes or beneficial interest therein acquired by us must be effected through one of the Placement Agents. 

4. We are an institutional “accredited investor” (as defined in Rule 501(a)(1), (2), (3) or (7) of Regulation D under
the Securities Act) and have such knowledge and experience in financial and business matters as to be capable of evaluating the merits and risks of our investment in the Notes, and we and any accounts for which we are acting are each able to bear
the economic risk of our or its investment. 
 5. We are acquiring the Notes or beneficial interest therein purchased by us for
our own account or for one or more accounts (each of which is an institutional “accredited investor”) as to each of which we exercise sole investment discretion. 
 You and the Issuer are entitled to rely upon this letter and are irrevocably authorized to produce this letter or a copy hereof to any interested party in any administrative or legal proceedings or
official inquiry with respect to the matters covered hereby. 
  

			
	[INSERT NAME OF ACCREDITED INVESTOR]
		
	By:	 	  

		 	Name:
		 	Title:


 Dated: 

  
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 EXHIBIT E 
 FORM OF SUBSIDIARY GUARANTEE NOTATION 
 For value received, each Subsidiary
Guarantor (which term includes any successor Person under the Indenture) has, jointly and severally, unconditionally guaranteed, to the extent set forth in the Indenture and subject to the provisions in the Indenture dated as of February 9,
2011 (the “Indenture”) among GMX Resources Inc., as the Issuer, the Subsidiary Guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee (the “Trustee”), the cash payments in United
States dollars of principal of, premium, if any, and interest on this Note in the amounts and at the times when due and interest on the overdue principal, premium, if any, and interest, if any, of this Note, if lawful, and the payment or performance
of all other obligations of the Issuer under the Indenture or the Notes, to the Holder of this Note and the Trustee, all in accordance with and subject to the terms and limitations of this Note, Article XII of the Indenture and this Subsidiary
Guarantee. The obligations of the Subsidiary Guarantors to the Holders of Notes and to the Trustee pursuant to the Subsidiary Guarantee and the Indenture are expressly set forth in Article XII of the Indenture and reference is hereby made to the
Indenture for the precise terms of the Subsidiary Guarantee. Each Holder of a Note, by accepting the same agrees to and shall be bound by such provisions. 
 THIS NOTATION OF SUBSIDIARY GUARANTEE SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK. Each Subsidiary Guarantor hereby agrees to submit to the
jurisdiction of the courts of the State of New York in any action or proceeding arising out of or relating to this Subsidiary Guarantee. 
 The Subsidiary Guarantee is subject to release upon the terms set forth in the Indenture. 
 Capitalized terms used but not defined herein have the meanings given to them in the Indenture. 

  
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 IN WITNESS WHEREOF, each Subsidiary Guarantor has caused its Subsidiary Guarantee to be duly
executed. 
 Date: February 9, 2011 
  

			
	DIAMOND BLUE DRILLING CO.
		
	By:	 	  

		 	Name:
		 	Title:
	
	ENDEAVOR PIPELINE INC.
		
	By:	 	  

		 	Name:
		 	Title:



  
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