EX-10.1


 Exhibit 10.1 

EIGHTH AMENDMENT TO CREDIT AGREEMENT 

THIS EIGHTH AMENDMENT TO CREDIT AGREEMENT (this “Amendment”), dated as of April 26, 2018, is by and among Atlas Energy
Group, LLC, a Delaware limited liability company (the “Parent”), New Atlas Holdings, LLC, a Delaware limited liability company (the “Borrower”), Atlas Lightfoot, LLC, a Delaware limited liability company
(“Atlas Lightfoot”), Titan Energy Management, LLC, a Delaware limited liability company (“Titan Management”), the Lenders party hereto and Riverstone Credit Partners, L.P. (“Riverstone”), as
Administrative Agent (the “Administrative Agent”) for the lenders party to the Credit Agreement referred to below (the “Lenders”). 

RECITALS: 

A.    The Borrower, the Parent, the Lenders and the Administrative Agent are parties to that certain Credit Agreement,
dated as of August 10, 2015 (as amended by that certain Amendment to Credit Agreement, dated as of August 24, 2015, that certain Second Amendment to Credit Agreement, dated as of January 20, 2016, that certain Third Amendment to
Credit Agreement and First Amendment to Security Agreement, dated as of March 30, 2016, that certain Fourth Amendment to Credit Agreement, dated October 6, 2016 and Extension Letter, dated September 29, 2017, that certain Fifth
Amendment to Credit Agreement, dated December 28, 2017, that certain Sixth Amendment to Credit Agreement, dated January 31, 2018, that certain Seventh Amendment to Credit Agreement, dated March 15, 2018, and as further amended,
restated, amended and restated, supplemented or otherwise modified from time to time prior to the date hereof, the “Original Credit Agreement” and as further amended by this Amendment, the “Credit Agreement”),
pursuant to which the Lenders have provided certain Commitments (subject to the terms and conditions thereof) to the Borrower. 

B.    The Borrower has requested that the Administrative Agent and Majority Lenders, and the Administrative Agent and the
Lenders party hereto (pursuant to the terms hereof) have agreed to, amend each of the Original Credit Agreement as set forth herein. 

C.    The Lenders signatory hereto and the Administrative Agent are willing to consent to such amendment of the Original
Credit Agreement, as more fully described herein, and upon satisfaction of the conditions set forth herein, this Amendment shall become effective as of the Effective Date. 

NOW, THEREFORE, in consideration of the premises and the mutual covenants herein contained, for good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 
 SECTION 1.    Capitalized
Terms. Capitalized terms used but not defined herein shall have the meanings assigned to such terms in the Credit Agreement. 
 SECTION
2.    Amendment of Original Credit Agreement. In reliance on the representations, warranties, covenants and agreements contained in this Amendment, and subject to the terms and conditions contained herein, the parties
hereto agree as follows: 
 (a)    The definition of “Maturity Date” shall be amended by replacing the
reference to “April 30, 2018” therein with “June 30, 2018.” 

  
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 SECTION 3.    Condition to Effectiveness. This Amendment shall become
effective on the date (the “Effective Date”) the following conditions are satisfied: 
 (a)    the
Administrative Agent shall have received executed counterparts (in such number as may be requested by the Administrative Agent) of this Amendment from the Borrower, the Parent, the Administrative Agent, AEG and the Majority Lenders; 

(b)    the Administrative Agent shall have received a certificate of an authorized officer of each Loan Party dated as of
the Effective Date certifying to the effect that attached thereto is a true and complete copy of resolutions duly adopted by the board of directors, board of managers or member, as the case may be, of each Loan Party authorizing the execution,
delivery and performance of this Amendment, and that such resolutions have not been modified, rescinded or amended, such resolutions are in full force and effect and there are no plans to modify rescind or amend such resolutions; and 

(c)    the Administrative Agent shall have received all reasonable and documented out-of-pocket costs and expenses due to the Administrative Agent and the Lenders and required to be paid on the Effective Date (including, to the extent invoiced prior to the Effective Date, the reasonable
and documented fees and expenses of Latham & Watkins, LLP, counsel to the Administrative Agent); 
 For the avoidance of doubt, the
breach of any clause in this Section 3 shall become an immediate Event of Default. 
 SECTION
4.    Miscellaneous. 
 (a)    Further Assurances. Each of the Parent and the Borrower
shall, and each shall cause each other Loan Party to, at its expense, promptly execute and deliver to the Administrative Agent all such other documents, agreements and instruments reasonably requested by the Administrative Agent to comply with, cure
any defects or accomplish the conditions precedent, covenants and agreements of the Parent, the Borrower or any other Loan Party, as the case may be, in this Amendment or to further evidence, or to correct any omissions in this Amendment or the
Security Instruments, or to state more fully the obligations secured therein, or to perfect, protect or preserve any Liens required pursuant to this Amendment or any of the Security Instruments or the priority thereof, or to make any recordings,
file any notices or obtain any consents, all as may be reasonably necessary or appropriate, in the reasonable discretion of the Administrative Agent, in connection therewith. 

(b)    Confirmation. The provisions of the Loan Documents, as waived or otherwise modified hereby, shall remain in
full force and effect in accordance with their terms following the effectiveness of this Amendment, without any other waiver, amendment or modification thereof. 

(c)    Ratification and Affirmation. Each of the undersigned does hereby adopt, ratify, and confirm the Credit
Agreement and the other Loan Documents to which it is a party, as modified hereby, and its obligations thereunder. Each of the Borrower and the Parent hereby (i) acknowledges, renews and extends its continued liability under, each Loan Document
to which it is a party and agrees that each Loan Document to which it is a party remains in full force and effect, except as expressly modified hereby and (ii) represents and warrants to the Lenders that immediately after giving effect to this
Amendment, no Default or Event of Default will have occurred and be continuing. 
 (d)    Loan Document. This
Amendment and each agreement, instrument, certificate or document executed by the Borrower and the Parent or any of their officers in connection therewith are “Loan Documents” as defined and described in the Credit Agreement and all of the
terms and provisions of the Loan Documents relating to other Loan Documents shall apply hereto and thereto. 

(e)    Miscellaneous. This Amendment (i) shall be binding upon and inure to the benefit of the Loan Parties,
the Lenders and the Administrative Agent and their respective successors and assigns 

  
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(provided, however, no party may assign its rights hereunder except in accordance with the Credit Agreement), (ii) may be modified or amended only in accordance with the Credit Agreement and
(iii) may be executed by one or more of the parties hereto in any number of separate counterparts, and all of such counterparts taken together shall be deemed to constitute one and the same instrument. Delivery of an executed signature page to
this Amendment by facsimile transmission or other electronic transmission shall be effective as delivery of a manually executed counterpart hereof. 

(f)    GOVERNING LAW. THIS AGREEMENT (INCLUDING, BUT NOT LIMITED TO, THE VALIDITY AND ENFORCEABILITY HEREOF) SHALL
BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF NEW YORK. 
 [Signature pages follow] 

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

					
	NEW ATLAS HOLDINGS, LLC, as Borrower
	ATLAS ENERGY GROUP, LLC, as Parent
			
		 	By:	 	 /s/ Jeffrey
Slotterback                        

		 	Name:	 	Jeffrey Slotterback
		 	Title:	 	Chief Financial Officer and
		 		 	Authorized Signatory
	
	TITAN ENERGY MANAGEMENT, LLC
			
		 	By:	 	 /s/ Jeffrey
Slotterback                        

		 	Name:	 	Jeffrey Slotterback
		 	Title:	 	Chief Financial Officer and
		 		 	Authorized Signatory
	
	ATLAS LIGHTFOOT, LLC
			
		 	By:	 	 /s/ Jeffrey
Slotterback                        

		 	Name:	 	Jeffrey Slotterback
		 	Title:	 	Chief Financial Officer and
		 		 	Authorized Signatory



  
 [Signature Page to Eighth
Amendment to Credit Agreement] 







 
			
	RIVERSTONE CREDIT PARTNERS, L.P.,
	as Administrative Agent and as Lender
		
	By:	 	RCP F1 GP, L.P., its general partner
		
	By:	 	RCP F1 GP, L.L.C., its general partner
		
	By:	 	 /s/ Christopher A.
Abbate                                

	Name:	 	Christopher A. Abbate
	Title:	 	Managing Director



  
 [Signature Page to Eighth
Amendment to Credit Agreement] 







 
			
	AEG ASSET MANAGEMENT, LLC,
	as a Lender
		
	By:	 	 /s/ Jeffrey
Slotterback                        

	Name:	 	Jeffrey Slotterback
	Title:	 	Chief Financial Officer



  
 [Signature Page to Eighth
Amendment to Credit Agreement] 







 
			
	THE LEON AND TOBY COOPERMAN FAMILY FOUNDATION,
	as a Lender
		
	By:	 	 /s/ Leon
Cooperman                            

	Name:	 	Leon Cooperman
	Title:	 	Trustee



  
 [Signature Page to Eighth
Amendment to Credit Agreement]