Document:

EX-10.2

 Exhibit 10.2 

EXECUTION VERSION 

AMENDMENT AGREEMENT dated as of September 5, 2013 (this “Amendment”), to the Amended and Restated Credit and
Guaranty Agreement dated as of March 15, 2011 (as amended by that certain Amendment to Credit Agreement, dated as of April 22, 2011, as further amended by that certain Second Amendment to Amended and Restated Credit Agreement, dated as of
April 18, 2013, and as further amended, restated or otherwise modified prior to the date hereof, the “Existing Credit Agreement”), by and among FAIRMOUNT MINERALS, LTD., a Delaware corporation (the “U.S.
Borrower” or the “Borrower Representative”), FAIRMOUNT MINERALS HOLDINGS, INC., a Delaware corporation (“Holdings”), CERTAIN SUBSIDIARIES OF THE U.S. BORROWER, as Guarantors, LAKE SHORE SAND COMPANY
(Ontario) LTD., an entity organized under the laws of the province of Ontario, Canada, as Canadian Borrower (the “Canadian Borrower”, and, together with the U.S. Borrower, the “Borrowers”), the Lenders party thereto
from time to time, BARCLAYS BANK PLC (“Barclays Bank”), as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such capacity, the “Collateral Agent”), and
the other agents party thereto. 
 A. Pursuant to the Existing Credit Agreement, the Lenders party thereto have extended, and have agreed to
extend, credit to the Borrowers. 
 B. Pursuant to Section 9.07(c) of the Existing Credit Agreement, PNC Bank, National Association
desires to resign as Revolving Administrative Agent (in such capacity, the “Existing Revolving Agent”) under the Existing Credit Agreement and the other Loan Documents and the Borrowers and the Required Lenders desire to ratify the
appointment of Barclays Bank PLC as successor Revolving Administrative Agent (in such capacity, the “Revolving Administrative Agent”) under the Second Amended and Restated Credit Agreement and the other Loan Documents and the
Revolving Administrative Agent wishes to accept such appointment. 
 C. The Borrowers and the Required Lenders under the Existing Credit
Agreement desire to amend the Existing Credit Agreement in the form of the Second Amended and Restated Credit Agreement attached hereto as Annex A (the “Second Amended and Restated Credit Agreement”; except as otherwise
provided herein, all capitalized terms used but not defined herein shall have the meanings ascribed to such terms therein), subject to the satisfaction of the conditions precedent to effectiveness referred to in Section 4 hereof. 

D. The Borrowers and the Guarantors are party to one or more of the Security Documents, pursuant to which, among other things, the Borrowers
and Guarantors provided security for the Obligations. 
 E. On the Restatement Date (as defined in Section 4 below), the U.S.
Borrower shall (a)(i) borrow new term loans in an aggregate principal amount of $325,000,000 having the terms set forth for Tranche B-1 Term Loans (under and as defined in the Second Amended and Restated Credit Agreement), (ii) borrow new term
loans in an aggregate principal amount of $885,000,000 having the terms set forth for Tranche B-2 Term Loans (under and as defined in the Second Amended and Restated Credit Agreement (the Tranche B-1 Term Loans, together with the Tranche B-2 Term
Loans, collectively, the “New Term Loan Facility”) and (iii) repay 

 
and terminate the Revolving Commitments (under and as defined in the Existing Credit Agreement) and establish the Revolving Commitments under the Second Amended and Restated Credit Agreement (the
“New Revolving Loan Facilities” and together with the New Term Loan Facility, the “New Credit Facilities”) and (b) use the proceeds of the New Credit Facilities (i) to repay in full all existing Term Loans
and Revolving Loans (each as defined in the Existing Credit Agreement), (ii) to pay the consideration in connection with the Acquisition, (iii) to pay fees and expenses incurred in connection with the foregoing and (iv) to the extent
remaining after the application of proceeds for the foregoing, for working capital and general corporate purposes of the Borrowers. The transactions described in this paragraph are collectively referred to herein as the
“Transactions”. 
 F. (i) The Lenders set forth on Schedules 1.01(a) and (b) to the Second Amended and Restated
Credit Agreement attached hereto as part of Annex B (the “New Term Lenders”) are willing to make Tranche B-1 Term Loans and Tranche B-2 Term Loans, respectively, under the New Term Loan Facility to the U.S. Borrower on the
Restatement Date, (ii) the Lenders set forth on Schedule 1.01(c) to the Second Amended and Restated Credit Agreement attached hereto as part of Annex B (“New Revolving Lenders”) are willing to extend U.S. Revolving Commitments
under the New Revolving Loan Facilities to the U.S. Borrower (and as noted on said Schedule, Canadian Revolving Commitments to the Canadian Borrower) on the Restatement Date and (iii) the Required Lenders under the Existing Credit Agreement are
willing to agree to the amendment and restatement to the Existing Credit Agreement provided for herein, in each case on the terms set forth herein and in the Second Amended and Restated Credit Agreement and subject to the conditions set forth
herein. 
 Accordingly, in consideration of the mutual agreements herein contained and other good and valuable consideration, the
sufficiency and receipt of which are hereby acknowledged, the parties hereto agree as follows: 
 SECTION 1. Amendment and Restatement of
Existing Credit Agreement. 
 The Loan Parties, the Required Lenders under the Existing Credit Agreement and the other
parties hereto each agree that: 
 (a) the Existing Credit Agreement shall be amended and restated on the Restatement Date,
as reflected in the Second Amended and Restated Credit Agreement attached as Exhibit A hereto and any term or provision of the Existing Credit Agreement which is different from that set forth in the Second Amended and Restated Credit
Agreement shall be replaced and superseded in all respects by the terms and provisions of the Second Amended and Restated Credit Agreement; 

(b) all of the Schedules to the Existing Credit Agreement will be amended and restated in their entirety on the Restatement
Date, in the form attached hereto as Annex B; and 

 (c) the Administrative Agent is authorized to amend Exhibits A-1, A-2, B-1, B-2,
C and E of the Existing Credit Agreement to reflect the Tranche B-1 Term Loans and the Tranche B-2 Term Loans and the changes to the definition of Consolidated Adjusted EBITDA and other conforming changes to the Second Amended and Restated Credit
Agreement. 
 SECTION 2. Loans. Each Lender set forth on Schedules 1.01(a) and (b) to the Second Amended and Restated Credit
Agreement agrees, severally and not jointly, to make, on the Restatement Date, a Tranche B-1 Term Loan and Tranche B-2 Term Loan, respectively, to the U.S. Borrower pursuant to and as set forth in Section 2.01(b) of the Second Amended
and Restated Credit Agreement. Each Lender set forth on Schedule 1.01(c) to the Second Amended and Restated Credit Agreement agrees, severally and not jointly, to make, on the Restatement Date, Revolving Commitments available to the U.S. Borrower
pursuant and as set forth in Section 2.02(b) of the Second Amended and Restated Credit Agreement. The proceeds of the New Credit Facilities are to be used by the U.S. Borrower solely for the purposes set forth in Recital E of this
Amendment. For the avoidance of doubt, from and after the Restatement Date, references in the Second Amended and Restated Credit Agreement to the “Term Loans” shall be the Term Loans made by the Lenders to the U.S. Borrower on the
Restatement Date and not the Term Loans under and as defined in the Existing Credit Agreement. 
 SECTION 3. Reaffirmation of
Guaranty. Each Loan Party party to the Existing Credit Agreement, subject to the terms and limits contained in the Second Amended and Restated Credit Agreement and in the Security Documents, reaffirms its guaranty of the Obligations pursuant to
the Existing Credit Agreement as amended and restated by the Second Amended and Restated Credit Agreement. Each Loan Party party to the Existing Credit Agreement hereby acknowledges that it has reviewed the terms and provisions of this Amendment and
consents to the amendment and restatement of the Existing Credit Agreement effected pursuant to this Amendment. Each Loan Party to the Existing Credit Agreement hereby confirms that each Loan Document to which it is a party or is otherwise bound
will continue to be in full force and effect as amended by this Amendment and all of its obligations thereunder shall not be impaired or limited by the execution or effectiveness of this Amendment. 

SECTION 4. Amendment Agreement Effectiveness; Conditions Precedent to Borrowing of Loans. The effectiveness of this Amendment
and the obligations of the Lenders to make Tranche B-1 Term Loans and Tranche B-2 Term Loans under the New Term Loan Facility and Revolving Commitments under the New Revolving Loan Facilities shall be subject to the following conditions precedent:
(a) the Administrative Agent shall have received counterparts of this Amendment that, when taken together, bear the signatures of the Borrowers, the Guarantors, the Administrative Agent, the Revolving Administrative Agent, the Collateral Agent,
each Lender making a Tranche B-1 Term Loan or a Tranche B-2 Term Loan under the New Term Loan Facility and each Lender making a Revolving Commitment under the New Revolving Loan Facilities (b) the Administrative Agent shall have received duly
executed consents from the Required Lenders approving and directing the Administrative Agent to execute and deliver this Amendment; (c) each of the conditions in Section 3.01 and Section 3.02 of the Second Amended and
Restated Credit Agreement shall be satisfied (or waived in accordance therewith); and (d) the Administrative Agent shall have received the fees set forth in Section 2.11(e) of the Second Amended and Restated Credit Agreement and all
other fees and reimbursement of all costs and expenses required to be paid by the U.S. Borrower in connection with the transactions contemplated hereby. The date on which such conditions have been satisfied (or waived) is referred to herein as the
“Restatement Date”. 

 SECTION 5. Resignation of Revolving Administrative Agent. Effective upon the Restatement
Date, PNC Bank shall resign as Revolving Administrative Agent and Swing Line Lender. The Required Lenders under the Existing Credit Agreement hereby appoint Barclays Bank PLC as Revolving Administrative Agent (and the Borrower Representative
hereby consents to such appointment). Barclays Bank PLC shall also act as Swing Line Lender under the Second Amended and Restated Credit Agreement. The Borrowers and Required Lenders under the Existing Credit Agreement hereby waive any
notice requirement provided for under the Loan Documents in respect of such resignation or appointment. The parties hereto confirm that all of the provisions of the Existing Credit Agreement, including, without limitation, Article IX
(Agents) to the extent they pertain to the Existing Revolving Agent, continue in effect for the benefit of the Existing Revolving Agent and its Agent Affiliates in respect of any actions taken or omitted to be taken by them while the Existing
Revolving Agent was acting as Revolving Administrative Agent under the Existing Credit Agreement.
 SECTION 6. Effect of
Amendment. On and after the Restatement Date, each reference to the Existing Credit Agreement in any Loan Document shall be deemed to be a reference to the Second Amended and Restated Credit Agreement. Except as expressly provided in this
Amendment, nothing herein shall be deemed to entitle any Loan Party to a consent to, or a waiver, amendment, modification or other change of, any of the terms, conditions, obligations, covenants or agreements contained in the Existing Credit
Agreement, the Second Amended and Restated Credit Agreement or any other Loan Document in similar or different circumstances. On and after the Restatement Date, this Amendment shall constitute a “Loan Document” for all purposes of the
Second Amended and Restated Credit Agreement and the other Loan Documents. On and after the Restatement Date, as used in the Second Amended and Restated Credit Agreement, the terms “Agreement”, “this Agreement”,
“herein”, “hereinafter”, “hereto”, “hereof”, and words of similar import shall, unless the context otherwise requires, mean the Second Amended and Restated Credit Agreement. 

SECTION 7. Consent. Each Lender (as defined in the Existing Credit Agreement) that delivers an executed counterpart of this Amendment
on or prior to the Restatement Date hereby consents to this Amendment and the transactions contemplated hereby. 
 SECTION 8.
Counterparts. This Amendment may be executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed and delivered shall be deemed an original, but all such counterparts
together shall constitute but one and the same contract. Delivery of an executed counterpart of a signature page of this Amendment by facsimile or other customary means of electronic transmission (e.g., “pdf”) shall be as effective as
delivery of a manually executed counterpart hereof. 
 SECTION 9. Applicable Law. THIS AMENDMENT AND THE RIGHTS AND
OBLIGATIONS OF THE PARTIES HERETO SHALL BE GOVERNED BY, AND SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE 

 
OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PRINCIPLES THAT WOULD RESULT IN THE APPLICATION OF ANY LAW OTHER THAN THE LAW OF THE STATE OF NEW YORK. 

SECTION 10. Submission to Jurisdiction. Section 10.15 of the Second Amended and Restated Credit Agreement is hereby
incorporated by reference. 
 SECTION 11. Headings. The headings of this Amendment are for purposes of reference only and
shall not limit or otherwise affect the meaning hereof. 
 [Remainder of page intentionally left blank] 

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

			
	FAIRMOUNT MINERALS, LTD.
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

	
	LAKE SHORE SAND COMPANY (ONTARIO) LTD.
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	FAIRMOUNT MINERALS HOLDINGS, INC.
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

	
	BEST SAND CORPORATION
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

	
	BEST SAND OF PENNSYLVANIA, INC.
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

	
	CHEYENNE SAND CORP.
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

	
	CONSTRUCTION AGGREGATES CORPORATION OF MICHIGAN, INC.
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

	
	FAIRMOUNT WATER SOLUTIONS, LLC
		
	By:	 	/s/ Christopher L. Nagel
		 	 Name: Christopher L. Nagel

		 	 Title: Chief Financial Officer

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	MINERAL VISIONS INC.
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	SPECIALTY SANDS, INC.
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	STANDARD SAND CORPORATION
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	TECHNIMAT LLC
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	TECHNISAND, INC.
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	WEDRON SILICA COMPANY
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	WEXFORD SAND CO.
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	WISCONSIN INDUSTRIAL SAND COMPANY, LLC
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	WISCONSIN SPECIALTY SANDS, INC.
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	ALPHA RESINS, LLC
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	BLACK LAB LLC
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer
	
	FAIRMOUNT MINERALS, LLC
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	SELF-SUSPENDING PROPPANT LLC
		
	By:	 	 /s/ Christopher L. Nagel

		 	Name: Christopher L. Nagel
		 	Title: Chief Financial Officer

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	 BARCLAYS BANK PLC, as Administrative

Agent, Revolving Administrative Agent and
 New Term Lender and New
Revolving Lender

		
	By:	 	 /s/ Vanessa A. Kurbatsky

		 	Name: Vanessa A. Kurbatsky
		 	Title: Vice President

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	 KEYBANK NATIONAL ASSOCIATION, as

New Revolving Lender

		
	By:	 	 /s/

		 	Name:
		 	Title:

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	 PNC BANK, NATIONAL ASSOCIATION, as

New Revolving Lender

		
	By:	 	 /s/ Christian S. Brown

		 	Name: Christian S. Brown
		 	Title: Senior Vice President

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	 SUMITOMO MITSUI BANKING CORP, as

New Revolving Lender

		
	 By:
	 	 /s/ David Kee

		 	 Name: David Kee

		 	 Title: Managing Director

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as New Revolving Lender
		
	 By:
	 	 /s/ Kristen Brockman

		 	 Name: Kristen Brockman

		 	 Title: Vice President

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	FIRST MERIT BANK NA, as New Revolving Lender
		
	 By:
	 	 /s/ Robert G. Morlan

		 	 Name: Robert G. Morlan

		 	 Title: Senior Vice President

  
 [Fairmount Minerals
Amendment Agreement Signature Page] 

 
			
	 SIEMENS FINANCIAL SERVICES INC, as

New Revolving Lender

		
	 By:
	 	 /s/

		 	 Name:

		 	 Title:

  
 [Fairmount Minerals
Amendment Agreement Signature Page]EX-10.3

 Exhibit 10.3 

Execution Version 
 FIRST AMENDMENT
TO SECOND AMENDED AND RESTATED CREDIT AND GUARANTY AGREEMENT 
 This AMENDMENT dated as of March 27, 2014 (this “Amendment”),
to the Second Amended and Restated Credit and Guaranty Agreement dated as of September 5, 2013 (as amended, restated or otherwise modified prior to the date hereof, the “Credit Agreement”), by and among FAIRMOUNT MINERALS,
LTD., a Delaware corporation (the “U.S. Borrower” or the “Borrower Representative”), FAIRMOUNT MINERALS HOLDINGS, INC., a Delaware corporation (“Holdings”), CERTAIN SUBSIDIARIES OF THE U.S.
BORROWER, as Guarantors, LAKE SHORE SAND COMPANY (Ontario) LTD., an entity organized under the laws of the province of Ontario, Canada, as Canadian Borrower (the “Canadian Borrower”, and, together with the U.S. Borrower, the
“Borrowers”), the Lenders party thereto from time to time, BARCLAYS BANK PLC (“Barclays”), as Administrative Agent (in such capacity, the “Administrative Agent”) and as Collateral Agent (in such
capacity, the “Collateral Agent”), BARCLAYS BANK PLC, as the Revolving Administrative Agent (in such capacity, the “Revolving Administrative Agent”) and the other agents referred to therein. Except as otherwise
provided herein, all capitalized terms used but not defined herein shall have the meanings given them in the Credit Agreement. 
 A. WHEREAS, pursuant to
the Credit Agreement, the Lenders have extended, and have agreed to extend, credit to the Borrowers; 
 B. WHEREAS, on the Amendment Effective Date (as
defined herein), the U.S. Borrower shall (a) (i) borrow new term loans in an aggregate principal amount of $324,187,500.00 having the terms set forth for Tranche B-1 Term Loans (under and as defined in the Amended Credit Agreement (as
defined herein)) (such new term loans, the “New Tranche B-1 Term Loans”) and (ii) borrow new term loans in an aggregate principal amount of $923,787,500.00 having the terms set forth for Tranche B-2 Term Loans (under and as
defined in the Amended Credit Agreement) (such new term loans, the “New Tranche B-2 Term Loans”) and (b) use the proceeds of (i) the New Tranche B-1 Term Loans and (ii) the New Tranche B-2 Term Loans to repay in full
all Term Loans existing under the Credit Agreement immediately prior to the effectiveness of this Amendment (the holders of such existing Term Loans, the “Existing Term Lenders”). The transaction described in this paragraph is
referred to herein as the “Refinancing”. 
 C. WHEREAS, the Borrowers shall pay to each Existing Term Lender on the Amendment Effective
Date all outstanding principal and all accrued and unpaid interest on its Term Loans to, but not including, the Amendment Effective Date on such date of effectiveness; 

D. WHEREAS, Section 10.5(d) of the Credit Agreement provides that the Credit Agreement may be amended with the written consent of the Borrower
Representative, the Administrative Agent and the Lender providing Replacement Term Loans (as defined therein) (and no other Lender); 

 Accordingly, in consideration of the mutual agreements herein contained and other good and
valuable consideration, the sufficiency and receipt of which are hereby acknowledged, the parties hereto agree as follows: 
 SECTION 1.
Amendment of Credit Agreement. 
 (a) The definition of “Applicable Margin” in Section 1.01 of the Credit Agreement is
hereby amended by deleting clause (i) in its entirety and replacing it with the following: “(a) Tranche B-1 Term Loans or Tranche B-2 Term Loans that are Eurodollar Rate Loans, 3.50% per annum and (b) Tranche B-1 Term Loans or
Tranche B-2 Term Loans that are Base Rate Loans, 2.50% per annum”. 
 (b) Section 1.01 of the Credit Agreement is hereby
amended to add the following definition in appropriate alphabetical order: 
 “First Amendment Effective Date” shall mean
the date that the First Amendment to the Second Amended and Restated Credit and Guaranty Agreement became effective pursuant to its terms, which date was March 27, 2014.” 

(c) Section 2.13(e) is hereby amended and restated as follows: 

“(e) Tranche B-2 Term Loan Call Protection. In the event (i) all or any portion of the Tranche B-2 Term Loan is
repriced, effectively refinanced through any amendment of the Tranche B-2 Term Loans or refinanced with the proceeds of other secured Indebtedness or (ii) a Term Lender is replaced as a result of the mandatory assignment of its Tranche B-2 Term
Loans in the circumstances described in Section 2.23 following the failure of such Term Lender to consent to an amendment of this Agreement that would have the effect of reducing the stated rate of interest with respect to the Tranche B-2 Term
Loans of such Term Lender, in each case, for any reason within six months of the First Amendment Effective Date, such repricings, effective refinancings, refinancings or, solely with respect to such replaced Term Lender, mandatory assignments, will
be made at 101.0% of the amount repriced, effectively refinanced, refinanced or mandatorily assigned.” 
 SECTION 2. Loans. Each
Lender set forth on Schedule A hereto agrees (such Lender in such capacity, an “Additional Lender”), severally and not jointly, to make, on the Amendment Effective Date, a New Tranche B-1 Term Loan or a New Tranche B-2 Term Loan, as
applicable, to the Borrowers in accordance with the borrowing mechanics set forth in Section 2.01(b) of the Credit Agreement in the amount set forth as its New Tranche B-1 Term Loan Commitment (the “New Tranche B-1 Term Loan
Commitment”) or New Tranche B-2 Term Loan Commitment (the “New Tranche B-2 Term Loan Commitment”), as applicable, set forth opposite its name under the heading “New Tranche B-1 Term Loan Commitments” or “New
Tranche B-2 Term Loan Commitments”, as applicable, on Schedule A to this Amendment. The U.S. Borrower may only make one borrowing of each of the New Tranche B-1 Term Loan Commitment and New Tranche B-2 Term Loan Commitment and, once repaid, the
New Tranche B-1 Term Loans and New Tranche B-2 Term Loan may not be reborrowed. The proceeds of the New Tranche B-1 Term Loan and New Tranche B-2 Term Loan are to be used by the Borrowers solely for the purposes set forth in Recital B of this
Amendment. Subject to Sections 2.13(a) and 2.14 of the 

  
 2 

 
Credit Agreement, all amounts owed with respect to the New Tranche B-1 Term Loans shall be paid in full no later than the Tranche B-1 Term Loan Maturity Date and all amounts owed with
respect to the New Tranche B-2 Term Loan shall be paid in full no later than the Tranche B-2 Term Loan Maturity Date. Each Lender’s New Tranche B-1 Term Loan Commitment and/or New Tranche B-2 Term Loan Commitment, as applicable, shall
terminate immediately and without further action on the Amendment Effective Date after giving effect to the funding of such New Tranche B-1 Term Loan Commitment and New Tranche B-2 Term Loan Commitment on such date. For the avoidance of doubt, from
and after the Amendment Effective Date, (a) references in the Credit Agreement to the “Tranche B-1 Term Loans” shall include the New Tranche B-1 Term Loans made by the Existing Term Lenders to the Borrowers on the Amendment Effective
Date and shall exclude the Tranche B-1 Term Loans (as defined in the Credit Agreement) made by the Existing Term Lenders (as defined in the Credit Agreement) on the Closing Date (which Tranche B-1 Term Loans shall be repaid in full on the Amendment
Effective Date) and (b) references in the Credit Agreement to the “Tranche B-2 Term Loans” shall include the New Tranche B-2 Term Loans made by the Existing Term Lenders to the Borrowers on the Amendment Effective Date and shall
exclude the Tranche B-2 Term Loans (as defined in the Credit Agreement) made by the Existing Term Lenders (as defined in the Credit Agreement) on the Closing Date (which Tranche B-2 Term Loans shall be repaid in full on the Amendment Effective
Date). 
 SECTION 3. Representations and Warranties. To induce the other parties hereto to enter into this Amendment, each of
the Loan Parties represents and warrants to each of the Lenders (including Lenders making the New Tranche B-1 Term Loans and the New Tranche B-2 Term Loans) that, as of the date hereof: 

(a) the representations and warranties set forth in Article IV of the Credit Agreement are true and correct in all material respects on and as
of the date hereof to the same extent as if made on and as of the date hereof, except to the extent such representations and warranties specifically relate to an earlier date, in which case such representations and warranties shall have been true
and correct in all material respects on and as of such earlier date; provided that to the extent any such representation and warranty is already qualified by materiality or Material Adverse Effect, such representation and warranty shall be
true and correct in all respects. 
 (b) each Loan Party has the requisite power and authority to execute and deliver this Amendment and to
perform its obligations under this Amendment and each Loan Document, as amended hereby. The execution and delivery of this Amendment and the performance by each Loan Party of this Amendment and each Loan Document (as amended hereby) to which it is a
party have been duly approved by all necessary organizational action of each such Loan Party; 
 (c) this Amendment has been duly executed
and delivered by each Loan Party that is a party hereto and thereto and this Amendment is the legally valid and binding obligation of such Loan Party thereto, enforceable against such Loan Party in accordance with its terms, except as may be limited
by bankruptcy, insolvency, reorganization, moratorium or similar laws relating to or limiting creditors’ rights generally or by equitable principles relating to enforceability; and 

(d) no Default or Event of Default has occurred and is continuing. 

  
 3 

 SECTION 4. Reaffirmations 

(a) Each Loan Party, subject to the terms and limits contained in the Credit Agreement and in the Security Documents, reaffirms its guaranty
of the Obligations pursuant to the Credit Agreement. Each Loan Party hereby acknowledges that it has reviewed the terms and provisions of this Amendment and consents to the amendment of the Credit Agreement effected pursuant to this Amendment. Each
Loan Party hereby confirms that each Loan Document to which it is a party or is otherwise bound will continue to be in full force and effect as amended by this Amendment and all of its obligations thereunder shall not be impaired or limited by the
execution or effectiveness of this Amendment or the incurrence of the New Tranche B-1 Term Loans and the New Tranche B-2 Term Loans. 
 (b)
Each Loan Party hereby (i) confirms that each Loan Document to which it is a party or is otherwise bound and all Collateral encumbered thereby will continue to secure to the fullest extent possible in accordance with the Loan Documents, the
payment and performance of the Obligations, as the case may be, (ii) confirms its respective grant to the Administrative Agent for the benefit of the Secured Parties of the security interest in and continuing Lien on all of such Loan
Party’s right, title and interest in, to and under all Collateral, in each case whether now owned or existing or hereafter acquired or arising and wherever located, as collateral security for the prompt and complete payment and performance in
full when due, whether at stated maturity, by required prepayment, declaration, acceleration, demand or otherwise, of all applicable Obligations (including all such Obligations as amended, reaffirmed and/or increased pursuant to the Amended Credit
Agreement), subject to the terms contained in the applicable Loan Documents, (iii) confirms its pledges, grants of security interests and other obligations, as applicable, under and subject to the terms of each of the Loan Documents to which it
is a party, and (iv) acknowledges that the Lenders providing New Tranche B-1 Term Loans and New Tranche B-2 Term Loans on the date hereof are “Lenders” and “Secured Parties” for all purposes under the Loan Documents. 

SECTION 5. Amendment Agreement Effectiveness. The effectiveness of this Amendment shall be subject to the following conditions precedent (the
date on which such conditions have been satisfied (or waived) is referred to herein as the “Amendment Effective Date”): 

(a) The Administrative Agent shall have received the following, each of which shall be originals or facsimiles or “.pdf” files
(followed promptly by originals) unless otherwise specified, each properly executed by an Authorized Officer of the signing Loan Party, each dated as of the Amendment Effective Date and each in form and substance reasonably satisfactory to the
Administrative Agent: 
 (i) executed counterparts of this Amendment from the Administrative Agent, each Loan Party and Additional Lenders
providing New Tranche B-1 Term Loan Commitments and New Tranche B-2 Term Loan Commitments sufficient to refinance in full the Term Loans; and 

(ii) a Note executed by the U.S. Borrower in favor of each Lender who shall have requested a Note not less than three Business Days prior to
the Amendment Effective Date. 

  
 4 

 (b) The Administrative Agent shall have received (1) copies of the Organizational Documents
of each Loan Party, as applicable, and, to the extent applicable, certified as of a recent date by the appropriate governmental official, each dated the Amendment Effective Date or a recent date prior thereto; (2) signature and incumbency
certificates of each such Person of each Loan Party executing the Loan Documents to which it is a party; (3) resolutions of the board of directors or similar governing body of each Loan Party approving and authorizing the execution, delivery
and performance of this Amendment, the Amended Credit Agreement and the other Loan Documents to which it is a party or by which it or its assets may be bound as of the Amendment Effective Date, certified as of the Amendment Effective Date by its
secretary or an assistant secretary of such Person as being in full force and effect without modification or amendment; and (4) a good standing certificate from the applicable Governmental Authority of each Loan Party’s jurisdiction of
incorporation, organization or formation and in each jurisdiction in which it is qualified as a foreign corporation or other entity to do business, each dated a recent date prior to the Amendment Effective Date (except with respect to any
jurisdiction where the failure to be so qualified would not reasonably be expected to have a Material Adverse Effect); provided that, in lieu of delivery of each of the documents set forth in clauses (1) and (2) above, each applicable Loan
Party may deliver a certificate executed by an Authorized Officer of such Loan Party certifying that there have been no material amendments to those documents previously delivered to the Administrative Agent on the Amendment Effective Date pursuant
to Section 3.01(b)(1) and 3.01(b)(2) of the Credit Agreement; provided, further, that any change to any incumbency certificate previously delivered to the Administrative Agent on the Amendment Effective Date shall be deemed material. 

(c) The Agents and the Lenders and their respective counsel shall have received executed copies of the favorable written opinions of Kaye
Scholer LLP, Calfee, Halter & Griswold LLP, Varnum, as special Michigan counsel to the Loan Parties, DLA Piper LLP (U.S.), as special Texas counsel for the Loan Parties and Gray Plant Mooty, as special Minnesota counsel for the Loan
Parties, each dated as of the Amendment Effective Date and otherwise in form and substance reasonably satisfactory to the Administrative Agent (and each Loan Party hereby instructs such counsel to deliver such opinions to the Agents and the
Lenders). 
 (d) The U.S. Borrower shall have delivered to the Administrative Agent a fully executed Borrowing Notice no later than one
(1) Business Day prior to the Amendment Effective Date. Promptly upon receipt by the Administrative Agent of such Borrowing Notice, the Administrative Agent shall notify each Additional Lender of the proposed borrowing. 

(e) On the Amendment Effective Date, (i) after giving effect to the consummation of the Refinancing and any rights of contribution,
Holdings and its Subsidiaries, on a consolidated basis, is and shall be Solvent, and (ii) the Administrative Agent shall have received a fully executed Solvency Certificate. 

(f) No Default or Event of Default shall exist, or would result from the execution and delivery of this Amendment, from the Refinancing and
the related Credit Extensions. 
 (g) The representations and warranties of the Loan Parties made pursuant to Section 3 of this
Amendment shall be true and correct as of the Amendment Effective Date. 

  
 5 

 (h) The Borrower Representative shall have delivered to the Administrative Agent an executed
Amendment Effective Date Certificate which shall include certifications to the effect that each of the conditions precedent described in this Section shall have been satisfied on the such date (except that no opinion need be expressed as to
Administrative Agent’s satisfaction with any document, instrument or other matter). 
 (i) The Borrowers shall have paid to the
Administrative Agent for its own account or for the account of the Lenders, as applicable, all fees and expenses required to be paid in connection herewith (including expenses to the extent invoiced at least one (1) Business Day prior to the
Amendment Effective Date). 
 (j) The Administrative Agent shall have received a prepayment notice issued by the Borrower Representative in
accordance with Section 2.13(a) of the Credit Agreement indicating (i) the anticipated date of such prepayments, and (ii) the Borrower’s intention to repay in full of the Term Loans on the terms set forth in this Amendment. 

(k) The U.S. Borrower shall have paid to the Administrative Agent on the Amendment Effective Date, for the account of the Existing Term
Lenders, all outstanding principal amounts under, and all accrued and unpaid interest on, the Term Loans of each Existing Term Lender to, but not including the date of such prepayment. 

SECTION 6. Effect of Amendment. (a) On and after the Amendment Effective Date, each reference to the Credit Agreement in
any Loan Document shall be deemed to be a reference to the Credit Agreement as amended by this Amendment (as so amended, the “Amended Credit Agreement”). Except as expressly provided in this Amendment, nothing herein shall be deemed
to entitle any Loan Party to a consent to, or a waiver, amendment, modification or other change of, any of the terms, conditions, obligations, covenants or agreements contained in the Credit Agreement or any other Loan Document in similar or
different circumstances. On and after the Amendment Effective Date, this Amendment shall constitute a “Loan Document” for all purposes of the Credit Agreement and the other Loan Documents. On and after the Amendment Effective Date, as used
in the Credit Agreement, the terms “Agreement”, “this Agreement”, “herein”, “hereinafter”, “hereto”, “hereof”, and words of similar import shall, unless the context otherwise requires, mean
the Amended Credit Agreement. 
 (b) The U.S. Borrower agrees that each Consent and Cashless Roll Election (each, a
“Consent”) executed by a Lender shall satisfy any requirement under Section 10.06 of the Credit Agreement to effectuate an Amendment Agreement (as defined in the Credit Agreement) in connection with the transactions
contemplated by this Amendment and each Consent. On and after the Amendment Effective Date, each Consent shall constitute a “Loan Document” for all purposes of the Credit Agreement and the other Loan Documents. 

SECTION 7. Counterparts. This Amendment may be executed in any number of counterparts and by different parties hereto in
separate counterparts, each of which when so executed and delivered shall be deemed an original, but all such counterparts together shall constitute but one and the same contract. Delivery of an executed counterpart of a signature page of this
Amendment by facsimile or other customary means of electronic transmission (e.g., “.pdf”) shall be as effective as delivery of a manually executed counterpart hereof. 

  
 6 

 SECTION 8. Applicable Law. THIS AMENDMENT AND THE RIGHTS AND OBLIGATIONS OF THE
PARTIES HERETO SHALL BE GOVERNED BY, AND SHALL BE CONSTRUED AND ENFORCED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK, WITHOUT REGARD TO CONFLICT OF LAW PRINCIPLES THAT WOULD RESULT IN THE APPLICATION OF ANY LAW OTHER THAN THE LAW OF
THE STATE OF NEW YORK. 
 SECTION 9. Submission to Jurisdiction. Section 10.15 of the Credit Agreement is hereby incorporated by
reference. 
 SECTION 10. Headings. The headings of this Amendment are for purposes of reference only and shall not limit or
otherwise affect the meaning hereof. 
 [Remainder of page intentionally left blank] 

  
 7 

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

					
	FAIRMOUNT MINERALS, LTD.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	LAKE SHORE SAND COMPANY (ONTARIO) LTD.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title: 	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer

  
 [Fairmount Minerals First
Amendment Signature Page] 

					
	FAIRMOUNT MINERALS HOLDINGS, INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	BEST SAND CORPORATION
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	BEST SAND OF PENNSYLVANIA, INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	CHEYENNE SAND CORP.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	CONSTRUCTION AGGREGATES CORPORATION OF MICHIGAN, INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	FAIRMOUNT WATER SOLUTIONS, LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer

  
 [Fairmount Minerals First
Amendment Signature Page] 

 
					
	MINERAL VISIONS INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	SPECIALTY SANDS, INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	STANDARD SAND CORPORATION
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	TECHNIMAT LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	TECHNISAND, INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	WEDRON SILICA COMPANY
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer

  
 [Fairmount Minerals First
Amendment Signature Page] 

 
					
	WEXFORD SAND CO.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	WISCONSIN INDUSTRIAL SAND COMPANY, LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	WISCONSIN SPECIALTY SANDS, INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	ALPHA RESINS, LLC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	BLACK LAB LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	FAIRMOUNT MINERALS, LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer

  
 [Fairmount Minerals First
Amendment Signature Page] 

 
					
	SELF-SUSPENDING PROPPANT LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	SHAKOPEE SAND LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	FML ALABAMA RESIN, INC.
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	FML SAND, LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	FML RESIN, LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer
	
	FML TERMINAL LOGISTICS LLC
		
	By:	 	 /s/ Christopher Nagel

		 	Name:	 	Christopher Nagel
		 	Title:	 	Executive Vice President, Chief Financial Officer, Assistant Secretary and Treasurer

  
 [Fairmount Minerals First
Amendment Signature Page] 

 
					
	BARCLAYS BANK PLC, as Administrative Agent and Lender
			
		 	By:	 	 /s/ Paul Cugno

		 		 	Name: Paul Cugno
		 		 	Title: Managing Director

  
 [Fairmount Minerals First
Amendment Signature Page] 

 ANNEX A 

New Tranche B-1 Term Loan Commitments 
  

					
	 New Tranche B-1 Term Loan Lender
	  	Commitment	 
	 Barclays Bank PLC
	  	$	324,187,500.00	  
		  	  
	  
	 
		  	Total: $	324,187,500.00	  
		  	  
	  
	 

 New Tranche B-2 Term Loan Commitments 

 

					
	 New Tranche B-2 Term Loan Lender
	  	Commitment	 
	 Barclays Bank PLC
	  	$	923,787,500.00	  
		  	  
	  
	 
		  	Total: $	923,787,500.00

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