EX-10.20.3



 Exhibit 10.20.3 

RATIFICATION OF UNLIMITED GUARANTIES 

This Ratification of Unlimited Guaranties is signed effective February 20, 2018, by the undersigned guarantors (collectively
“Guarantors”) in connection with the renewal and extension of the Revolving Loan made by PLAINSCAPITAL BANK (“Lender”) to LONESTAR PROSPECTS,
LTD. (“Borrower”), a Texas limited partnership. The Revolving Loan is defined in and governed by the Amended and Restated Loan Agreement dated January 12, 2018, between Borrower and Lender, as amended by the
First Amendment of even date, and as hereafter amended, restated, replaced, supplemented, or otherwise modified, from time to time (collectively the “Loan Agreement”). Capitalized terms not otherwise defined have the meanings
assigned in the Loan Agreement. 
 1. Guaranties. Each of the Guarantors is legally obligated under an unlimited guaranty dated
January 13, 2014, or September 3, 2015, executed by each of the respective Guarantors in favor of Lender in connection with the Loans to Borrower (collectively the “Guaranties”). 

2. Ratification. Each of the Guarantors consents to the Loan Agreement and the renewal and extension of the Revolving Loan and ratifies and
confirms their respective Guaranty, acknowledges that their Guaranty is valid, subsisting, and binding upon the respective Guarantors, and agrees that their Guaranty guarantees payment of the Loans (including the Revolving Loan), and the Notes
(including the Revolving Note). 
 3. Notice of Final Agreement. As of the effective date of this Notice, Borrower, Guarantors, and Lender
have consummated a transaction pursuant to which Lender has agreed to make a loan or loans to Borrower, to renew and extend an existing loan or loans to Borrower, and to otherwise extend credit or make financial accommodations to or for the benefit
of Borrower, in an aggregate amount up to $40,000,000.00 (collectively, whether one or more, the “Loans”). 
 In connection
with the Loans, Borrower and Lender and the undersigned Guarantors have executed and delivered and may hereafter execute and deliver certain agreements, instruments, and documents (collectively hereinafter referred to as the “Written Loan
Agreement”). 
 It is the intention of Borrower, Lender, and Guarantors that this Notice be incorporated by reference into each of
the written agreements, instruments, and documents comprising the Written Loan Agreement. Borrower, Lender, and Guarantors each warrant and represent that the entire agreement made and existing by or among Borrower, Lender, and Guarantors with
respect to the Loan is and shall be contained within the Written Loan Agreement, as amended and supplemented hereby, and that no agreements or promises exist or shall exist by or among Borrower, Lender, and Guarantors that are not reflected in the
Written Loan Agreement. 







 THE WRITTEN LOAN AGREEMENT REPRESENTS THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY
EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES. 
 THERE ARE NO UNWRITTEN AGREEMENTS BETWEEN THE PARTIES. 

Effective as of the date stated above. 
 ACKNOWLEDGED AND
AGREED: 
 LONESTAR PROSPECTS HOLDING COMPANY, L.L.C. 

 

			
		
	By:	 	 /s/ Gary B. Humphreys

		 	Gary B. Humphreys, Manager

 LONESTAR PROSPECTS
MANAGEMENT, L.L.C., 
 a Texas limited liability company 
  

			
		
	By:	 	VPROP Operating, LLC,
		 	 a Delaware limited liability company,
 its
sole member


  

					
		
	By:	 	Vista Proppants and Logistics, LLC,
		 	 a Delaware limited liability company,

its sole member

			
		 	By:	 	 /s/ Gary B. Humphreys

		 		 	Gary B. Humphreys
		 		 	Chief Executive Officer


  
 Ratification of
Unlimited Guaranties - Page 2 









			
		 	 /s/ Gary Blaine Humphreys

		 	Gary Blaine Humphreys, as co-trustee of the
		 	ERIC BLAINE HUMPHREYS TRUST created under
		 	Trust Agreement dated December 14, 2012
		
		 	 /s/ Claudia Ann Humphreys

		 	Claudia Ann Humphreys, as co-trustee of the
		 	ERIC BLAINE HUMPHREYS TRUST created under
		 	Trust Agreement dated December 14, 2012
		
		 	 /s/ Gary Blaine Humphreys

		 	Gary Blaine Humphreys, as co-trustee of the
		 	JAKE ALLEN HUMPHREYS TRUST created under
		 	Trust Agreement dated December 14, 2012
		
		 	 /s/ Claudia Ann Humphreys

		 	Claudia Ann Humphreys, as co-trustee of the
		 	JAKE ALLEN HUMPHREYS TRUST created under
		 	Trust Agreement dated December 14, 2012
	
	 FUTURE NEW DEAL, LTD.,
 a Texas
limited partnership

		
	By:	 	Future New Deal II, LLC,
		 	Its general partner
		
	By:	 	 /s/ Gary B. Humphreys

		 	Gary B. Humphreys, Manager
	
	FUTURE NEW DEAL II, LLC,
		
	By:	 	 /s/ Gary B. Humphreys

		 	Gary B. Humphreys, Manager


  
 Ratification of
Unlimited Guaranties - Page 3 









			
		 	 /s/ Martin W. Robertson

		 	 Martin W. Robertson, as co-trustee of
 the
CHRISTOPHER MARTIN ROBERTSON TRUST

created under Trust Agreement dated December 18, 2012

		
		 	 /s/ Janet Lynn Robertson

		 	 Janet Lynn Robertson, as co-trustee of
 the
CHRISTOPHER MARTIN ROBERTSON TRUST
 created under Trust Agreement dated December 18,
2012

		
		 	 /s/ Martin W. Robertson

		 	 Martin W. Robertson, as co-trustee of
 the
CLAIRE ANN ROBERTSON TRUST
 created under Trust Agreement dated December 18,
2012

		
		 	 /s/ Janet Lynn Robertson

		 	 Janet Lynn Robertson, as co-trustee of
 the
CLAIRE ANN ROBERTSON TRUST
 created under Trust Agreement dated December 18,
2012

	
	 M & J PARTNERSHIP, LTD.,

a Texas limited partnership

	By:	 	T.Y.F. Holdings, LLC,
		 	Its general partner
		
	By:	 	 /s/ Martin W. Robertson

		 	Martin W. Robertson, Manager
	
	T.Y.F. HOLDINGS, LLC,
		
	By:	 	 /s/ Martin W. Robertson

		 	Martin W. Robertson, Manager


  
 Ratification of
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