Document:

EX-4.2

 Exhibit 4.2 

AMENDMENT NO. 4 TO INTERCREDITOR AGREEMENT 

THIS AMENDMENT NO. 4 TO INTERCREDITOR AGREEMENT (“Amendment”) is entered into as of April 6, 2017, by and among WELLS
FARGO BANK, NATIONAL ASSOCIATION, as Revolving Credit Agreement Agent, WILMINGTON SAVINGS FUND SOCIETY, FSB, as Term Loan Agent, and WILMINGTON SAVINGS FUND SOCIETY, FSB, as Second Lien Agent. 

WHEREAS, Revolving Credit Agreement Agent, Term Loan Agent, and Second Lien Agent are parties to that certain Intercreditor Agreement, dated
as of April 15, 2016 (as amended, supplemented or otherwise modified, the “Intercreditor Agreement”); 
 WHEREAS, on
the date hereof, certain Term Lenders intend to provide the Company with additional term loans under the Term Loan Agreement subject to the terms of the Intercreditor Agreement; and 

WHEREAS, Revolving Credit Agreement Agent, Term Loan Agent, and Second Lien Agent desire to amend the Intercreditor Agreement to amend certain
of the provisions of the Intercreditor Agreement pursuant to the terms and conditions herein. 
 NOW THEREFORE, in consideration of the
premises and mutual agreements herein contained, the parties hereto agree as follows: 
 1. Defined Terms. Unless otherwise defined
herein, capitalized terms used herein shall have the meanings ascribed to such terms in the Intercreditor Agreement. 
 2. Amendments to
Intercreditor Agreement. Subject to the conditions to effectiveness set forth in Section 3 below, the Intercreditor Agreement is hereby amended as follows” 

(a) Section 1.1 of the Intercreditor Agreement is hereby amended by amending section (i) of the definition of “Term Loan
Cap” by deleting “$65,120,000” and inserting “$66,330,000” in lieu thereof. 
 3. Conditions to
Effectiveness. The amendments set forth in Section 2 shall become effective upon the satisfaction of each of the following conditions precedent: 

(a) The parties hereto shall have each executed this Amendment and 

(b) all conditions precedent to the effectiveness set forth in Section 4 (other than the condition to deliver this Amendment) of that
certain Sixth Amendment to Term Loan Credit Agreement, dated as of the date hereof, by and among Company, Term Loan Agent and Term Loan Lenders shall have been met. 

4. Continuing Effect. Except as expressly set forth herein, nothing in this Amendment shall constitute a modification or alteration of
the terms, conditions or covenants of the Intercreditor Agreement, or a waiver of any other terms or provisions thereof, and the Intercreditor Agreement shall remain unchanged and shall continue in full force and effect, in each case as amended
hereby. 

 5. Miscellaneous. 

(a) Governing Law. This Amendment shall be a contract made under and governed by the internal laws of the State of New York applicable
to contracts made and to be performed entirely within such State, without regard to conflict of law principles. 
 (b) Counterparts.
This Amendment may be executed in any number of counterparts, and by the parties hereto on the same or separate counterparts, and each such counterpart, when executed and delivered, shall be deemed to be an original, but all such counterparts shall
together constitute but one and the same Amendment. Delivery of an executed counterpart of this Amendment by telefacsimile or other electronic method of transmission shall be equally as effective as delivery of an original executed counterpart of
this Amendment. 
 [Signature Page Follows] 

  
 -2- 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed by their
respective officers thereunto duly authorized and delivered as of the date first above written. 
  

			
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Pari Passu Collateral Agent

		
	By:	 	/s/ Zachary S. Buchanan
	Name:	 	Zachary S. Buchanan
	Title:	 	Authorized Signatory
	
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Revolving Credit Agreement Agent

		
	By:	 	/s/ Zachary S. Buchanan
	Name:	 	Zachary S. Buchanan
	Title:	 	Authorized Signatory

 
			
	 WILMINGTON SAVINGS FUND SOCIETY, FSB,

as Term Loan Agent

		
	By:	 	/s/ Geoffrey J. Lewis
	Name:	 	Geoffrey J. Lewis
	Title:	 	Vice President
	
	 WILMINGTON SAVINGS FUND SOCIETY, FSB,

as Second Lien Agent

		
	By:	 	/s/ Geoffrey J. Lewis
	Name:	 	Geoffrey J. Lewis
	Title:	 	Vice President

 ACKNOWLEDGMENT 

Borrower and each of Borrower’s undersigned Subsidiaries each hereby acknowledge that they have received a copy of the foregoing
Amendment No. 4 to Intercreditor Agreement and agree to recognize all rights granted by the Amendment No. 4 to Intercreditor Agreement and the Intercreditor Agreement to First Lien Agent, the other First Lien Claimholders, Second Lien
Agent, and the other Second Lien Claimholders, waive the provisions of Section 9-615(a) of the UCC in connection with the application of proceeds of Collateral in accordance with the provisions of the Amendment No. 4 to Intercreditor
Agreement and Intercreditor Agreement, agree that they will not do any act or perform any obligation which is not in accordance with the agreements set forth in the Amendment No. 4 to Intercreditor Agreement and Intercreditor Agreement.
Borrower and each of Borrower’s undersigned Subsidiaries each further acknowledge and agree that they are not an intended beneficiary or third party beneficiary under the Amendment No. 4 to Intercreditor Agreement or the Intercreditor
Agreement, as amended, restated, supplemented, or otherwise modified hereafter. 
  

			
	NUVERRA ENVIRONMENTAL SOLUTIONS, INC., as Borrower
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Executive Vice President
	
	HECKMANN WATER RESOURCES CORPORATION
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	HECKMANN WATER RESOURCES (CVR), INC.
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President

 
			
	1960 WELL SERVICES, LLC
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	HEK WATER SOLUTIONS, LLC
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	 APPALACHIAN WATER SERVICES, LLC

By: HEK Water Solutions, LLC, its managing member

		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	BADLANDS POWER FUELS, LLC, a Delaware limited liability company
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	BADLANDS POWER FUELS, LLC, a North Dakota limited liability company
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President

 
			
	LANDTECH ENTERPRISES, L.L.C.
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	BADLANDS LEASING, LLC
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	IDEAL OILFIELD DISPOSAL, LLC
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	NUVERRA TOTAL SOLUTIONS, LLC
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	NES WATER SOLUTIONS, LLC
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	HECKMANN WOODS CROSS, LLC
		
	By:	 	/s/ Joseph M. Crabb
	Name:	 	Joseph M. Crabb
	Title:	 	Vice PresidentEX-4.3

 Exhibit 4.3 

AMENDMENT NO. 5 TO INTERCREDITOR AGREEMENT 

THIS AMENDMENT NO. 5 TO INTERCREDITOR AGREEMENT (“Amendment”) is entered into as of April 10, 2017, by and among
WELLS FARGO BANK, NATIONAL ASSOCIATION, as Pari Passu Collateral Agent for the Pari Passu Secured Parties, WELLS FARGO BANK, NATIONAL ASSOCIATION, as Revolving Credit Agreement Agent for the Revolving Credit Agreement Secured Parties,
and WILMINGTON SAVINGS FUND SOCIETY, FSB, as Term Loan Agent for the Term Loan Secured Parties. 
 WHEREAS, Pari Passu Collateral
Agent, Revolving Credit Agreement Agent, and Term Loan Agent are parties to that certain Intercreditor Agreement, dated as of April 15, 2016 (as amended, supplemented or otherwise modified, the “Intercreditor Agreement”); 

WHEREAS, on the date hereof, certain Term Loan Lenders intend to provide the Company with additional term loans under the Term Loan Agreement
subject to the terms of the Intercreditor Agreement; and 
 WHEREAS, Pari Passu Collateral Agent, Revolving Credit Agreement Agent, and Term
Loan Agent desire to amend the Intercreditor Agreement to amend certain of the provisions of the Intercreditor Agreement pursuant to the terms and conditions herein. 

NOW THEREFORE, in consideration of the premises and mutual agreements herein contained, the parties hereto agree as follows: 

1.    Defined Terms. Unless otherwise defined herein, capitalized terms used herein shall have the meanings
ascribed to such terms in the Intercreditor Agreement. 
 2.    Amendments to Intercreditor Agreement. Subject to
the conditions to effectiveness set forth in Section 3 below, the Intercreditor Agreement is hereby amended as follows: 

(a)    Section 1.1 of the Intercreditor Agreement is hereby amended by amending section (i) of the definition of
“Term Loan Cap” by deleting “$66,330,000” and inserting “$72,380,000” in lieu thereof. 

3.    Conditions to Effectiveness. The amendments set forth in Section 2 shall become
effective upon the satisfaction of each of the following conditions precedent: 
 (a)    The parties hereto shall have
each executed this Amendment and 
 (b)    all conditions precedent to the effectiveness set forth in Section 4
(other than the condition to deliver this Amendment) of that certain Seventh Amendment to Term Loan Credit Agreement, dated as of the date hereof, by and among Company, Term Loan Agent and Term Loan Lenders shall have been met. 

4.    Continuing Effect. Except as expressly set forth herein, nothing in this Amendment shall constitute a
modification or alteration of the terms, conditions or covenants of the Intercreditor Agreement, or a waiver of any other terms or provisions thereof, and the 

 
Intercreditor Agreement shall remain unchanged and shall continue in full force and effect, in each case as amended hereby. 

5.    Miscellaneous. 

(a)    Governing Law. This Amendment shall be a contract made under and governed by the internal laws of the State
of New York applicable to contracts made and to be performed entirely within such State, without regard to conflict of law principles. 

(b)    Counterparts. This Amendment may be executed in any number of counterparts, and by the parties hereto on the
same or separate counterparts, and each such counterpart, when executed and delivered, shall be deemed to be an original, but all such counterparts shall together constitute but one and the same Amendment. Delivery of an executed counterpart of this
Amendment by telefacsimile or other electronic method of transmission shall be equally as effective as delivery of an original executed counterpart of this Amendment. 

[Signature Page Follows] 

  
 -2- 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed by their
respective officers thereunto duly authorized and delivered as of the date first above written. 
  

			
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Pari Passu Collateral Agent

		
	By:	 	 /s/ Zachary S. Buchanan

	Name:	 	Zachary S. Buchanan
	Title:	 	Authorized Signatory
	
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Revolving Credit Agreement Agent

		
	By:	 	 /s/ Zachary S. Buchanan

	Name:	 	Zachary S. Buchanan
	Title:	 	Authorized Signatory

 
			
	 WILMINGTON SAVINGS FUND SOCIETY, FSB,

as Term Loan Agent

		
	By:	 	 /s/ Geoffrey J. Lewis

	Name:	 	Geoffrey J. Lewis
	Title:	 	Vice President

 ACKNOWLEDGMENT 

Borrower and each of Borrower’s undersigned Subsidiaries each hereby acknowledge that they have received a copy of the foregoing
Amendment No. 5 to Intercreditor Agreement and agree to recognize all rights granted by the Amendment No. 5 to Intercreditor Agreement and the Intercreditor Agreement to Pari Passu Collateral Agent, each Authorized Representative, the Pari
Passu Secured Parties, waive the provisions of Section 9-615(a) of the UCC in connection with the application of proceeds of Collateral in accordance with the provisions of the Amendment No. 5 to
Intercreditor Agreement and Intercreditor Agreement, agree that they will not do any act or perform any obligation which is not in accordance with the agreements set forth in the Amendment No. 5 to Intercreditor Agreement and Intercreditor
Agreement. Borrower and each of Borrower’s undersigned Subsidiaries each further acknowledge and agree that they are not an intended beneficiary or third party beneficiary under the Amendment No. 5 to Intercreditor Agreement or the
Intercreditor Agreement, as amended, restated, supplemented, or otherwise modified hereafter. 
  

			
	NUVERRA ENVIRONMENTAL SOLUTIONS, INC., as Borrower

 
			
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Executive Vice President
	
	HECKMANN WATER RESOURCES CORPORATION

 
			
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	HECKMANN WATER RESOURCES (CVR), INC.

 
			
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President

 
			
	1960 WELL SERVICES, LLC
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	HEK WATER SOLUTIONS, LLC
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	APPALACHIAN WATER SERVICES, LLC
		
	By:	 	HEK Water Solutions, LLC, its managing member
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	BADLANDS POWER FUELS, LLC, a Delaware limited liability company
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	BADLANDS POWER FUELS, LLC, a North Dakota limited liability company
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President

 
			
	LANDTECH ENTERPRISES, L.L.C.
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	BADLANDS LEASING, LLC
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	IDEAL OILFIELD DISPOSAL, LLC
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	NUVERRA TOTAL SOLUTIONS, LLC
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	NES WATER SOLUTIONS, LLC
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President
	
	HECKMANN WOODS CROSS, LLC
		
	By:	 	 /s/ Joseph M. Crabb

	Name:	 	Joseph M. Crabb
	Title:	 	Vice President

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