Document:

Amendment No. 3 to Stockholders Agreement, dated as of May 15, 2001

 EXHIBIT 10.1.3 
  
 AMENDMENT NO. 3 TO STOCKHOLDERS AGREEMENT AND CONSENT OF STOCKHOLDERS 
  
 AMENDMENT NO. 3 AND CONSENT OF STOCKHOLDERS dated as of May 15, 2001
(“Amendment No. 3”), among USS Holdings, Inc., a Delaware corporation (the “Corporation”), and the stockholders of the Corporation (each a “Stockholder” and collectively the “Stockholders”) listed on
the signature pages hereof, to the Stockholders Agreement (the “Agreement”) dated as of February 9, 1996, as amended, among the Corporation and the Stockholders. In this Amendment No. 3, unless otherwise defined herein or unless the
context requires otherwise, capitalized terms shall have the meaning ascribed to them in the Agreement. 
  
 1. The parties hereto, being the parties to the Agreement required to amend the Agreement in accordance with Section 18(a) thereof, hereby amend the
Agreement, which amendment shall become effective upon execution of this Amendment No. 3 by the Corporation, a Majority of the Institutional Stockholders and a Majority of the DGHA Stockholders, as follows: 
  
 Section 2(a) of the Agreement is hereby deleted and replaced with the
following: 
  
 “(a) Election of Directors Generally.
Each Stockholder shall from time to time take such action, in his capacity as a stockholder of the Corporation, including the voting of all Securities owned or controlled by such Stockholder, as may be necessary to cause the Corporation to be
managed at all times by a Board, consisting of eight members to be designated as follows: 
  

	 	(i)	 	for so long as D. George Harris and his Affiliates own 50% or more of the Securities (other than DGHA Restricted Shares) held by them on the Original Agreement Date, two directors
shall be designated by D. George Harris, one of which designated directors shall be D. George Harris (each a “George Harris Director” and together the “George Harris Directors”); 

  

	 	(ii)	 	for so long as Anthony J. Petrocelli and his Affiliates own 50% or more of the Securities (other than DGHA Restricted Shares) held by them on the Original Agreement Date, one
director shall be designated by Anthony J. Petrocelli (the “Petrocelli Director”); 

  

	 	(iii)	 	four directors shall be designated by a Majority of the Institutional Stockholders (each an “Initial Institutional Director” and together the “Initial Institutional
Directors”); 

  

	 	(iv)	 	one director shall be the President of the Corporation; 

  

	 	(v)	 	for so long as D. George Harris shall be elected as a director he shall also be elected as the Chairman of the Board and Chief Executive Officer of the Corporation, and for so long
as Anthony J. Petrocelli shall be elected as a director he shall also be elected as the Vice-Chairman of the Board; 

  

 Nothwithstanding the foregoing, in the event of a Termination Event with respect to D. George Harris or
Anthony J. Petrocelli, the DGHA Stockholder with respect to which such Termination Event has occurred shall not be entitled to designate any directors and the Harris Directors or the Petrocelli Director, as applicable, shall thereafter be designated
by the Majority of the DGHA Stockholders.” 
  
 2. The
Requisite Stockholders consent, pursuant to Section 4(a)(vii) of the Agreement to the following amendment to the By-Laws so that Section 2.02 of the By-Laws shall read as follows: 
  
 “Directors need not be stockholders. The number of directors which shall constitute the whole Board shall be not less
than three nor more than ten, and the number of directors which shall initially constitute the whole Board shall be eight, provided, however, that upon the occurrence of a Trigger Event (as defined in the Stockholders Agreement) and the giving of
notice to the Corporation as provided by Section 2(b) of the Stockholders Agreement in connection therewith, the number of directors which shall then constitute the whole Board shall be increased by two and shall equal ten. Subject to the terms and
conditions of the Stockholders Agreement, such number may be increased or decreased and subsequently again from time to time increased or decreased by an amendment to these By-Laws. For purposes of these By-Laws, “Stockholders Agreement”
shall mean the Stockholders Agreement dated as of February 9, 1996 among the Corporation and the stockholders of the Corporation party thereto, as the same may be amended or modified from time to time.” 
  
 3. This Amendment No. 3 may be executed simultaneously in two or more
counterparts, any one of which need not contain the signatures of more than one party, but all such counterparts taken together will constitute one and the same agreement. It shall not be necessary in making proof of this Amendment No. 3 to produce
or account for more than one such counterpart. 
  
 4. All
questions concerning the construction, interpretation and validity of this Amendment No. 3 shall be governed by, and construed in accordance with the domestic laws of the State of New York without giving effect to any choice or conflict of law
provision or rule (whether in the State of New York or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than the State of New York. 
  

 2 

 IN WITNESS WHEREOF, the parties hereto have executed this Amendment No. 3 on the date first
written above. 
  

			
	USS HOLDINGS, INC.
		
	By:	 	 
	 	 	

	 Name:
 Title:

  

			
	J. P. MORGAN PARTNERS (23A SBIC), LLC
		
	By:	 	 
	 	 	

	 Name:
 Title:

  

			
	MASSACHUSSETTS MUTUAL LIFE INSURANCE COMPANY
		
	 By:
	 	 David L. Babson & Company Inc.,
 its Investment
Advisor

		
	By:	 	 
	 	 	

	 Name:
 Title:

  

			
	MASSMUTUAL CORPORATE INVESTORS
		
	By:	 	 
	 	 	

	 Name:
 Title:

  

 3 

			
	MASSMUTUAL PARTICIPATION INVESTORS
		
	By:	 	 
	 	 	

	 Name:
 Title:

  

			
	MASSMUTUAL CORPORATE VALUE PARTNERS LIMITED
		
	 By:
	 	David L. Babson & Company Inc., under delegated authority from Massachusetts Mutual Life Insurance Company, as Investment Manager
		
	By:	 	 
	 	 	

	 Name:
 Title:

  

			
		
	 	 	 
	

	D. George Harris

  

			
		
	 	 	 
	

	Anthony J. Petrocelli

  

			
		
	 	 	 
	

	Richard J. Donahue

  

			
		
	 	 	 
	

	Donald G. Kilpatrick

  

			
		
	 	 	 
	

	Richard J. Nick

  

 4 

			
		
	 	 	 
	

	Anne Cortazzi

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O ROBERT HARRIS
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee

  

			
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O MARGARET HARRIS
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee

  

			
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O PAIGE COLEMAN
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee

  

			
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

 5 

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O KEITH COLEMAN
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee

  

			
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O AUGUSTUS NORTHRIDGE
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee

  

			
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED JANUARY 31, 1995 F/B/O P.G.F. SCURR
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee

  

			
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

 6 

			
	THE PETROCELLI FAMILY TRUST, D. GEORGE HARRIS & CHARLES J. CASSATA, AS TRUSTEES
		
	By:	 	 
	 	 	

	D. George Harris, Trustee

  

			
		
	By:	 	 
	 	 	

	Charles J. Cassata, Trustee

  

			
	TRUST UNDER AGREEMENT OF ANTHONY J. PETROCELLI DATED OCTOBER 29, 1990 F/B/O SERENA PETROCELLI
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee

  

			
		
	By:	 	 
	 	 	

	Charles J. Cassata, Trustee

  

 7Amendment No. 4 to Stockholders Agreement, dated as of October 28, 2003

Table of Contents

 EXHIBIT 10.1.4 
  
 EXECUTION COPY 
  
 USS HOLDINGS, INC. 
  
 AMENDMENT No. 4 
  
 AMENDED AND RESTATED 
  
 STOCKHOLDERS AGREEMENT 
  
 Dated as of October 28, 2003 
  

Table of Contents

 
TABLE OF CONTENTS 
  

					
	 	  	 	  	Page

	Section 1.	  	 
Definitions; Rules of Construction
	  	1
			
	Section 2.	  	 
Board of Directors
	  	12
			
	Section 3.	  	 
Financial Statements and Other Information, Inspections and Board Meetings
	  	14
			
	Section 4.	  	 
Additional Voting Agreements; Required Sale
	  	17
			
	Section 5.	  	 
First Refusal Rights for Securities Issued by the Corporation
	  	20
			
	Section 6.	  	 
Affiliate Transactions
	  	21
			
	Section 7.	  	 
[Section Left Intentionally Blank]
	  	21
			
	Section 8.	  	 
Limitations on Transfers of Stock – General
	  	21
			
	Section 9.	  	 
Limitations on Transfers of Restricted Shares
	  	22
			
	Section 10.	  	 
[Section Intentionally Left Blank]
	  	22
			
	Section 11.	  	 
Rights of First Refusal after Third Anniversary
	  	22
			
	Section 12.	  	 
Rights of Co-Sale
	  	23
			
	Section 13.	  	 
Drag-Along Rights
	  	24
			
	Section 14.	  	 
Options Upon Termination Event
	  	26
			
	Section 15.	  	 
[Section Intentionally Left Blank]
	  	29
			
	Section 16.	  	 
Regulatory Matters
	  	29
			
	Section 17.	  	 
Requisite Stockholder Approval
	  	31
			
	Section 18.	  	 
Amendment and Waiver
	  	31
			
	Section 19.	  	 
Securities Law Compliance; Legends
	  	31
			
	Section 20.	  	 
Duration of Agreement
	  	33
			
	Section 21.	  	 
Severability
	  	33
			
	Section 22.	  	 
Entire Agreement
	  	33
			
	Section 23.	  	 
Certain Stockholders
	  	33

  

 i 

Table of Contents

					
	Section 24.	  	 
Successors and Assigns
	  	34
			
	Section 25.	  	 
Counterparts
	  	34
			
	Section 26.	  	 
Remedies
	  	34
			
	Section 27.	  	 
Notices
	  	35
			
	Section 28.	  	 
Governing Law
	  	36
			
	Section 29.	  	 
Further Assurances
	  	36
			
	Section 30.	  	 
Jurisdiction; Venue; Process
	  	36
			
	Section 31.	  	 
Representation and Warranties of the Stockholders
	  	37
			
	Section 32.	  	 
Conflicting Agreements
	  	38
			
	Section 33.	  	 
Mutual Waiver of Jury Trial
	  	38

  

 ii 

Table of Contents

 AMENDED AND RESTATED STOCKHOLDERS AGREEMENT (the “Agreement”) dated as of October
28, 2003, among USS HOLDINGS, INC., a Delaware corporation (the “Corporation”), and the stockholders of the Corporation (each a “Stockholder” and collectively the “Stockholders”) listed on
the signature pages hereof. 
  
 WHEREAS, the Stockholders and the
Corporation, entered into a Stockholders Agreement dated as of February 9, 1996, which agreement has been previously amended by Amendment No. 1, Amendment No. 2 dated October 6, 1998 and Amendment No. 3 dated May 15, 2001 (the “Existing
Stockholders Agreement”). 
  
 WHEREAS, the Stockholders
and the Corporation desire to further amend and restate the Existing Stockholders Agreement in its entirety in accordance with Section 18(a) hereof, effective upon execution of this Agreement by the Corporation, a Majority of the Institutional
Stockholders and a Majority of the DGHA Stockholders. 
  
 NOW,
THEREFORE, in consideration of the mutual covenants hereinafter set forth, the Corporation and the Stockholders agree as follows: 
  

	 	
Section 1.	Definitions; Rules of Construction. 

  
 (a) Capitalized terms used in this Agreement have the meanings ascribed to them below: 
  
 “Accounting Period” has the meaning ascribed to it in Section 3(a)(i). 
  
 “Acquisition” means USS Acquisition, Inc., a Delaware
corporation, and any successors thereto (including U.S. Silica after the Merger). 
  
 “Actual EBITDA” shall be calculated at the end of each Accounting Period of the Corporation, beginning with the Accounting Period ending December 31, 1997, and shall mean the EBITDA of the Corporation
for the twelve-month period ended on the last day of such Accounting Period. 
  
 “Additional Institutional Director” shall have the meaning ascribed to it in Section 2(b). 
  
 “Additional Retiring Purchase” has the meaning ascribed to it in Section 14(a). 
  
 “Adjusted Proportionate Percentage” shall mean, with respect
to any Stockholder, the Proportionate Percentage of such Stockholder, calculated as if the Retiring Shares were not issued and outstanding at the time of calculation. 
  
 “Affiliate” means (i) with respect to any individual, (A) a spouse or descendant of such individual and (B)
any trust or family partnership whose primary beneficiary shall be such individual and/or such individual’s spouse and/or any Person related by blood or adoption to such individual or such individual’s spouse, (ii) with respect to any
Person which is not an individual, any other Person that, directly or indirectly through one or more intermediaries Controls, is Controlled by, or is under common Control with, such Person and/or one or more Affiliates thereof, and, without
limiting the generality of the foregoing, with respect to JPM 

  

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Table of Contents

 
includes (x) the ultimate parent corporation of JPM, and all the Affiliates of the aforementioned ultimate parent and (y) a corporation, a general
partnership, a limited partnership or limited liability corporation in which all the beneficial interests of any of the foregoing entities is owned directly or indirectly by one or more present or former employees or executives of JPM or their
respective Affiliates. 
  
 “Approved Sale” has
the meaning ascribed to it in Section 13. 
  
 “Board” means the Board of Directors of the Corporation. 
  
 “Bylaws” means the Bylaws of the Corporation, as amended from time to time. 
  
 “Cause” shall mean the commission by a Stockholder of a felony or other crime involving moral turpitude, or the commission by a
Stockholder of any other act which is a breach of his fiduciary duty of loyalty to his employer or the repeated failure of a Stockholder to otherwise perform his duties to his employer as determined in good faith by such employer’s Board of
Directors. 
  
 “Certificate” means the Amended
and Restated Certificate of Incorporation of the Corporation as filed with the Secretary of State of Delaware on February 9, 1996, as supplemented by all Certificates of Designation and Certificates of Amendment, copies of which are attached as
Schedule 3. 
  
 “Class A Common Stock” means the
Class A Common Stock, $.01 par value, of the Corporation. 
  
 “Class B Common Stock” means the Class B Common Stock, $.01 par value, of the Corporation. 
  
 “Class C Common Stock” means the Class C Common Stock, $.01 par value, of the Corporation. 
  
 “Class C Restricted Shares” means, collectively, the DGHA
Restricted Shares and the Manager Restricted Shares. 
  
 “Code” means the Internal Revenue Code of 1986, as amended. 
  
 “Common Stock” means the Class A Common Stock, the Class B Common Stock and the Class C Common Stock. 
  
 “Common Equivalents” means, at any point in time, (i) as to any Stockholder, the number or shares of Common Stock held by such
Stockholder at such time, plus the number of shares of Common Stock which are issuable (at such time or thereafter) upon the exercise or conversion of any option, warrant or convertible security held at such time by such Stockholder and (ii) as to
all Stockholders, collectively, the aggregate number of shares of Common Stock outstanding at such time plus the aggregate number of shares of Common Stock issuable (at such time or thereafter) upon the exercise or conversion of all outstanding
options, warrants and convertible securities. 
  

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Table of Contents

 “Company” means, collectively, the Corporation and its Subsidiaries and, individually,
the Corporation and each Subsidiary of the Corporation. 
  
 “Compensation Committee” shall mean the Compensation Committee of the Board, as constituted from time to time in accordance with Section 2(c). 
  
 “Competitor” means any Person who directly or indirectly, owns, manages, operates, joins, controls or
participates in the ownership, management, operation or control of, or is connected as a director, officer, employee; partner, consultant or otherwise with, any profit or non-profit business or organization in any part of the United States or any
other jurisdiction in which the Company sells products or provides services, which, directly or indirectly, Competes (as hereinafter defined) with the Company. A profit or non-profit business or organization shall be deemed to “Compete”
with the Company if such business or organization (i) competes with the business of the Company as it is conducted as of the date hereof, or at any time while this Agreement is in effect, or (ii) engages in the development, production or sale of
products, or the rendering of services, which are the same as, similar to or competitive with, the products or services being developed, provided, sold or rendered by the Company as of the date hereof, or at any time while this Agreement is in
effect. 
  
 “Control” means the possession,
directly or indirectly, of the power, by stock ownership, contract right, proxy or otherwise, to direct the management and policies of a Person. 
  
 “Corporation” has the meaning ascribed to it in the Preamble. 
  
 “Credit Agreement” means the Credit Agreement dated as of September 8, 2003, as amended from time to time,
among U.S. Silica and the lenders named therein. 
  
 “Credit Event” means (i) the existence of an event of default under any Debt Document, or (ii) the existence of a default, which is not waived or cured within any applicable grace period provided for therein, under any
other document or agreement to which any Company is a party or an obligor, which evidences indebtedness of any Company individually or in the aggregate of more than $1,000,000. 
  
 “Debt Documents” shall mean the Credit Agreement, the documents attached as exhibits thereto and any other
loan agreement pursuant to which the debt under such agreements is refinanced in whole or in part. 
  
 “Deferral Date” has the meaning ascribed to it in Section 14(f). 
  
 “Deferral Election” has the meaning ascribed to it in Section 14(f). 
  
 “DGHA” shall mean D. George Harris & Associates, Inc.

  
 “DGHA Fee Letter” means the letter agreement
dated the Original Agreement Date among the Corporation, certain Subsidiaries thereof and DGHA, as amended from time to time. 
  
 “DGHA Repurchase Agreement” means the DGHA Repurchase Agreement dated the Original Agreement Date, among the Corporation and the DGHA
Stockholders named therein. 
  

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Table of Contents

 “DGHA Restricted Shares” means the 216,263 (as adjusted to reflect any stock splits,
stock dividends, reverse stock splits or reclassifications of the Class C Common Stock) shares of Class C Common Stock issued or issuable to the DGHA Stockholders party to the DGHA Repurchase Agreement (and any Securities issued in respect thereof),
which shares are subject to repurchase by the Corporation upon an IRR Event pursuant to the DGHA Repurchase Agreement, for so long as such shares of Class C Common Stock are subject to the DGHA Repurchase Agreement. 
  
 “DGHA Stockholders” shall mean any Person listed on the
Schedule of DGHA Stockholders attached hereto as Schedule 4 and any other employee of DGHA or an Affiliate of DGHA who is designated as such by the Chairman of DGHA. 
  
 “EBITDA” has the meaning, for any period, ascribed to such term in the Credit Agreement. 
  
 “EBITDA Event” shall mean and occur if, at the end of any
Accounting Period commencing with the twelve-month period ending December 31, 2003, the Actual EBITDA for the twelve-month period ending on the last day of such Accounting Period is less than $23 million for the twelve-month period ending on the
last day of the corresponding Accounting Period. 
  
 “Eligible Stockholders” has the meaning ascribed to it in Section 14(a). 
  
 “ERISA” means the Employee Retirement Income Security Act of 1974, as amended from time to time, and the regulations promulgated and
rulings issued thereunder. 
  
 “ERISA Affiliate”
means any Person that for purposes of Title IV of ERISA is a member of the controlled group of any Obligor, or under common control with any Obligor, within the meaning of Section 414 of the Code. 
  
 “ERISA Event” means (a) (i) the occurrence of a reportable
event, within the meaning of Section 4043 of ERISA, with respect to any Plan unless the 30-day notice requirement with respect to such event (or the penalty for failure to provide such notice) has been waived by the PBGC; or (ii) the requirements of
subsection (1) of Section 4043(b) of ERISA (without regard to subsection (2) of such Section) are met with a contributing sponsor, as defined in Section 4001(a)(13) of ERISA, of a Plan, and an event described in paragraph (9), (10), (11), (12) or
(13) of Section 4043 (c) of ERISA is reasonably expected to occur with respect to such Plan within the following 30 days; (b) the application for a minimum funding waiver with respect to a Plan; (c) the provision by the administrator of any Plan of
a notice of intent to terminate such Plan, pursuant to Section 4041(a)(2) of ERISA (including any such notice with respect to a plan amendment referred to in Section 4041(e) of ERISA); (d) the cessation of operations at a facility of any Obligor or
any ERISA Affiliate in the circumstances described in Section 4062(e) of ERISA; (e) the withdrawal by any Obligor or any ERISA Affiliate from a Multiple Employer Plan during a plan year for which it was a substantial employer, as defined in Section
4001(a)(2) of ERISA; (f) the conditions for imposition of a lien under Section 302(f) of ERISA shall have been met with respect to any Plan; (g) the adoption of an amendment to a Plan requiring the provision of security to such Plan, pursuant to
Section 307 of ERISA; or (h) the institution by the 

  

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Table of Contents

 
PBGC of proceedings to terminate a Plan pursuant to Section 4042 of ERISA, or the occurrence of any event or condition described in Section 4042 of ERISA
that could reasonably be expected to constitute grounds for the termination of, or the appointment of a trustee to administer, such Plan. 
  
 “Excess Attributable to the First Priority Additional Retiring Purchases” shall mean the lesser of (x) the number of Remaining Retiring
Shares to be purchased in the aggregate by the First Priority Eligible Stockholders pursuant to their Additional Retiring Purchases and (y) the excess Remaining Retiring Shares remaining after the Second Retirement Reduction. 
  
 “Excess Attributable to the Second Priority Additional Retiring
Purchases” shall mean the lesser of (x) the number of Remaining Retiring Shares to be purchased in the aggregate by the Second Priority Eligible Stockholders pursuant to their Additional Retiring Purchases and (y) the excess Remaining
Retiring Shares remaining prior to the First Retirement Reduction. 
  
 “Exchange Act” means the Securities Exchange Act of 1934, as amended, or any similar federal law then in force. 
  
 “Exempt Issuance” shall mean (i) the issuance of shares of Class A Common Stock or Class B Common Stock upon the conversion of shares of
Series B Preferred Stock and the issuance of shares of Class A Common Stock upon the conversion of shares of Class B Common Stock, (ii) the issuance of the Warrants pursuant to the Warrant Issuance Agreement and the issuance of Securities pursuant
to the exercise of the Warrants, (iii) the issuance of Securities, or any securities convertible into or exercisable for Securities, pursuant to a Public Offering and (iv) the issuance of Securities to a DGHA Stockholder or a Manager Stockholder
after repurchase by the Corporation pursuant to the DGHA Repurchase Agreement, the Manager Repurchase Agreement or pursuant to Section 14, of an equivalent or greater number of Securities from one or more DGHA Stockholders, Manager Stockholders or
Non-Affiliated Stockholders. 
  
 “Fair Value”
means the highest price that would be paid for all or substantially all of (i) the Securities, (ii) the capital stock of a Subsidiary, (iii) the assets of the Corporation (after the assumption of all of the liabilities of the Corporation), or (iv)
the assets of a Subsidiary (after the assumption of all the liabilities of such Subsidiary), as the case may be, and in each case, on a going-concern basis in a single arm’s-length transaction between a willing buyer and a willing seller in an
orderly process, using valuation techniques then prevailing in the securities industry and assuming full disclosure of all relevant information and a reasonable period of time for effectuating such sale, as determined jointly by the Majority of the
Institutional Stockholders and the Majority of the DGHA Stockholders. If such parties are unable to reach agreement within 30 days, such Fair Value shall be determined by an independent nationally recognized investment bank experienced in valuing
companies or assets jointly selected by the Majority of the Institutional Stockholders and the Majority of the DGHA Stockholders. If the parties cannot agree on the selection of an investment bank within 30 days, the investment bank will be selected
by an independent arbitrator appointed in accordance with the rules of the American Arbitration Association. The determination of such investment bank shall be final and binding upon the parties, and the Corporation shall pay the fees and expenses
of such investment bank. 
  

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 “First Priority Eligible Stockholders” shall mean (i) with respect to any Transfer to be
made by a DGHA Stockholder, the other DGHA Stockholders, (ii) with respect to any Transfer to be made by a Manager Stockholder, the other Manager Stockholders and (iii) with respect to any Transfer to be made by a Non-Affiliated Stockholder, the
other Non-Affiliated Stockholders. 
  
 “First Refusal
Amount” has the meaning ascribed to it in Section 5(a). 
  
 “First Refusal Securities” has the meaning ascribed to it in Section 5(a). 
  
 “GAAP” means United States generally accepted accounting principles, consistently applied. 
  
 “Individual Investor Put Shares” has the meaning ascribed to
it in Section 14(c). 
  
 “Initial Institutional
Director” shall have the meaning ascribed to it in Section 2(a)(iii). 
  
 “Initial Public Offering” means the initial Public Offering of equity securities of the Corporation. 
  
 “Initial Retiring Purchase” has the meaning ascribed to it in Section 14(a). 
  
 “Institutional Directors” has the meaning ascribed to it in
Section 2(b). 
  
 “Institutional Securities”
means all Securities owned by the Institutional Stockholders. 
  
 “Institutional Stockholders” means any Person listed on the Schedule of Institutional Stockholders attached hereto as Schedule 6 and any successor to, or Permitted Transferee (excluding any transferee who purchases
Institutional Securities pursuant to Section 6) of, any such Person who or which agrees in writing to be treated as an Institutional Stockholder hereunder and to be bound by the terms and comply with all applicable provisions hereof. 
  
 “IRR Event” means the occurrence of any of the following:

  
 (i) the sale of all or substantially all of
the assets of the Corporation and its Subsidiaries (in each case after assumption of all the liabilities of the Corporation or the Subsidiary), on a consolidated basis; 
  
 (ii) the sale of all or substantially all of the Securities; 
  
 (iii) a merger of the Corporation or any Subsidiary,
provided that the merger comprises all or substantially all of the assets of the Corporation and its Subsidiaries, with another Person if the stockholders of the Corporation immediately prior to such merger do not own more than 80% of the
corporation surviving such merger; or 
  
 (iv)
the consummation of a Qualified Public Offering. 
  
 “JPM” means J.P. Morgan Partners (23A SBIC) LLC (formerly known as, Chase Manhattan Capital L.P.), a Delaware limited liability company. 
  

 -6- 

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 “Majority of the Institutional Stockholders” means those Institutional Stockholders who
at the time in question hold a majority of the Common Equivalents then held by all Institutional Stockholders. 
  
 “Majority of the DGHA Stockholders” means those DGHA Stockholders who at the time in question hold a majority of the Common Equivalents
then held by all DGHA Stockholders. 
  
 “Majority of the
Stockholders” means those Stockholders who at the time in question hold 57.5% of the Common Equivalents then held by all Stockholders. 
  
 “Management Services Agreement” means the Amended and Restated Management Services Agreement dated the Original Agreement Date, among the
Corporation, certain subsidiaries thereof and DGHA, as amended or modified from time to time. 
  
 “Manager Repurchase Agreement” means the Manager Repurchase Agreements, a form of which is attached hereto as Schedule 7, to be entered into between the Corporation and each Manager Stockholder who
purchases Manager Restricted Shares, respectively. 
  
 “Manager Restricted Shares” means the 216,263 (as adjusted to reflect any stock splits, stock dividends, reverse stock splits or reclassifications of the Class C Common Stock) shares of Class C Common Stock issued or
issuable to the Manager Stockholders party to the Manager Repurchase Agreement (and any Securities issued in respect thereof), which shares are subject to repurchase by the Corporation upon an IRR Event pursuant to the Manager Repurchase Agreement,
for so long as such shares of Class C Common Stock are subject to the Manager Repurchase Agreement. 
  
 “Manager Stockholder” shall mean any Person listed on the Schedule of Manager Stockholders attached hereto as Schedule 8 and any
Stockholder who purchases Securities who is a full-time employee of the Corporation or of any Subsidiary and is designated as such by the Board, but specifically excluding the DGHA Stockholders. 
  
 “Merger” means the consummation of the merger between
Acquisition and U.S. Silica, with U.S. Silica as the surviving corporation. 
  
 “Multiple Employer Plan” means a single employer plan, as defined in Section 4001(a)(15) of ERISA, that (a) is maintained for employees of any Obligor or any ERISA Affiliate and at least one Person
other than the Obligors and the ERISA Affiliates or (b) was so maintained and in respect of which any Obligor or any ERISA Affiliate could have liability under Section 4064 or 4069 of ERISA in the event such plan has been or were to be terminated.

  
 “Non-Affiliated Stockholder” shall mean any
Person listed on the Schedule of Non-Affiliated Stockholders attached hereto as Schedule 5. 
  
 “Notice Date” has the meaning ascribed to it in Section 14(b). 
  
 “Notice of Offer” has the meaning ascribed to it in Section 1l(a). 
  
 “Obligor” means Acquisition and U.S. Silica. 
  

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 “Offer” has the meaning ascribed to it in Section 11(a). 
  
 “Offeree” has the meaning ascribed to it in Section 11(a).

  
 “Offeror” shall have the meaning ascribed to
it in Section 11(a). 
  
 “Officer’s Report”
has the meaning ascribed to it in Section 3(a)(ii). 
  
 “Original Agreement Date” means February 9, 1996. 
  
 “Other Stockholders” has the meaning ascribed to it in Section 12(a). 
  
 “PBGC” means the Pension Benefit Guaranty Corporation. 
  
 “Permitted Transferees” has the meaning ascribed to such term in Section 8(d). 
  
 “Person” shall be construed broadly and shall include an
individual, a partnership, a corporation, an association, a joint stock company, a limited liability company, a trust, a joint venture, an unincorporated organization and a governmental entity or any department, agency or political subdivision
thereof. 
  
 “Plan” means a Single Employer Plan
or a Multiple Employer Plan. 
  
 “Preferred
Stock” means (i) the Series A Preferred Stock, the Series B Preferred Stock, the Seller Preferred Stock and the Series D Preferred Stock, and (ii) any shares of any series of Preferred Stock of the Corporation issued to the Stockholders on
or after the Original Agreement Date. 
  
 “Primary
Retirement Notice” has the meaning ascribed to it in Section 14(a). 
  
 “Proportionate Percentage” means, with respect to a Stockholder, a fraction (expressed as a percentage) the numerator of which is the number of Common Equivalents held by such Stockholder and the
denominator of which is (i) in a situation where the Proportionate Percentage is being calculated with respect to all Stockholders, the total number of Common Equivalents outstanding at the time in question and (ii) in a situation where the
Proportionate Percentage is being calculated with respect to a group of Stockholders, the total number of Common Equivalents held by the members of such group. 
  

“Public Offering” means the closing of a public offering of Common Stock pursuant to a registration statement declared effective under
the Securities Act, except that a Public Offering shall not include an offering made in connection with an employee benefit plan. 
  
 “Public Sale” means any sale, occurring simultaneously with or after a Public Offering, of Securities to the public pursuant to an
offering registered under the Securities Act or to the public through a broker, dealer or market maker pursuant to the provisions of Rule 144. 
  
 “Qualified Public Offering” means the sale by the Corporation and/or one or more stockholders of the Corporation in an underwritten
Public Offering registered under the 

  

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Securities Act of Common Stock which results in aggregate net cash proceeds (net of underwriters’ discounts and commissions and estimated offering
expenses) to the Corporation and/or any selling stockholders of not less than $30 million. 
  
 “Registration Rights Agreement” means the Registration Rights Agreement dated as of February 9, 1996, as amended by Amendment No. 1 dated as of October 6, 1998, and as may be amended or modified from
time to time in the future, among the Corporation and the parties named therein. 
  
 “Regulatory Problem” means (i) any set of facts or circumstance wherein it has been asserted by any governmental regulatory agency, or a Stockholder believes based on advice of counsel that there is a
substantial risk of such assertion, that such Stockholder is not legally permitted to hold, or exercise any significant right with respect to, the securities (including any Securities or debt securities) of the Corporation which it holds or (ii) a
Voting Regulatory Problem. 
  
 “Remaining Retiring
Shares” has the meaning ascribed to it in Section 14(a). 
  
 “Requisite Stockholder Approval” means the approval of the terms, vesting or any other characteristics of any restricted stock of the Corporation, or any compensation arrangement relating to the Corporation, by vote or
written consent in lieu thereof, that is intended to satisfy the requirements of Code Section 280G(b)(5) and applicable Treasury Regulations thereunder, and shall also include any vote (with or without a meeting) or any other action or actions.

  
 “Restricted Securities” means, at any point
in time, any Securities which have not theretofore been transferred in a Public Sale. 
  
 “Retiring Participation Shares” has the meaning ascribed to it in Section 14(a). 
  
 “Retiring Shares” has the meaning ascribed to it in Section 14(a). 
  
 “Retiring Stockholder” has the meaning ascribed to it in Section 14(a). 
  
 “Rule 144” means Rule 144 promulgated by the Securities and
Exchange Commission under the Securities Act as such rule may be amended from time to time, or any similar rule then in force. 
  
 “Sale of the Company” has the meaning ascribed to it in Section 13(a). 
  
 “Sale Notice” has the meaning ascribed to it in Section 13(a). 
  
 “Secondary Retirement Notice” has the meaning ascribed to it
in Section 14(a). 
  
 “Second Priority Eligible
Stockholders” shall mean (i) with respect to any Transfer to be made by a DGHA Stockholder, the Stockholders other than the DGHA Stockholders, (ii) with respect to any Transfer to be made by a Manager Stockholder, the Stockholders other
than the Manager Stockholders, and (iii) with respect to any Transfer to be made by a Non-Affiliated Stockholder, the Stockholders other than the Non-Affiliated Stockholders. 
  

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 “Second Retirement Notice” has the meaning ascribed to it in Section 14(b). 

 
 “Section 12 Acceptance” shall have the meaning ascribed
to it in Section 12(a). 
  
 “Section 12 Notice”
shall have the meaning ascribed to it in Section 12(a). 
  
 “Section 12 Offer” shall have the meaning ascribed to it in Section 12(a). 
  
 “Section 12 Offeree” shall have the meaning ascribed to it in Section 12(a). 
  
 “Section 12 Offeror” shall have the meaning ascribed to it
in Section 12(a). 
  
 “Securities” means the
Common Stock, the Preferred Stock, and any and all other Common Stock, Preferred Stock or other capital stock or equity securities (including the Warrants and other derivative securities therefor) of the Corporation. 
  
 “Securities Act” means the Securities Act of 1933, as
amended, or any similar federal law then in force. 
  
 “Securities and Exchange Commission” includes any governmental body or agency succeeding to the functions thereof. 
  
 “Seller Preferred Stock” means the Series C Preferred Stock, $.01 par value, of the Corporation issued to U.S. Borax Inc. upon the
closing of the Stock Purchase Agreement. 
  
 “Series A
Preferred Stock” means the Series A Preferred Stock, $.01 par value, of the Corporation. 
  
 “Series B Preferred Stock” means the Series B Preferred Stock, $0.01 par value, of the Corporation. 
  
 “Series D Preferred Stock” means the Series D Preferred
Stock, $0.01 par value, of the Corporation. 
  
 “Single
Employer Plan” means a single employer plan, as defined in Section 4001(a)(15) of ERISA, that (a) is maintained for employees of any Obligor or any ERISA Affiliate and no Person other than the Obligors and the ERISA Affiliates or (b) was so
maintained and in respect of which any Obligor or any ERISA Affiliate could have liability under Section 4069 of ERISA in the event such plan has been or were to be terminated. 
  
 “Stock Purchase Agreement” means the Stock Purchase Agreement between U.S. Borax Inc. and the Corporation
dated October 23, 1995, as amended or modified from time to time. 
  
 “Subscription Agreement” shall mean the Stock Subscription and Exchange Agreement dated the Original Agreement Date, among the Corporation and the Stockholders which are parties thereto. 
  
 “Subsidiary” means with respect to any Person, any
corporation or other entity of which the shares of stock having a majority of the general voting power in electing the board of 

  

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directors of such corporation or other entity are, at the time as of which any determination is being made, owned by such Person either directly or
indirectly through Subsidiaries. 
  
 “Tax Sharing
Agreement” means the Amended and Restated Tax Sharing Agreement dated as of July 21, 1998, between the Corporation and the parties named therein, as amended from time to time. 
  
 “Termination Event” has the meaning ascribed to it in Section 14(d). 
  
 “Transfer” shall be construed broadly and shall include any
transfer (whether voluntary, involuntary or by operation of later) of securities or any interest therein, including without limitation, by way of issuance, sale, participation, pledge, gift, bequeath, intestate transfer, distribution, liquidation,
merger or consolidation. 
  
 “Transfer Date” has
the meaning ascribed to it in Section 14(e). 
  
 “Trigger
Event” shall mean the existence of a Credit Event or the occurrence of an EBITDA Event. 
  
 “U.S. Silica” means U.S. Silica Company, a Delaware corporation. 
  
 “Valuation Price per Share” means, with respect to any Security, the amount distributable to such Security,
if the Company is sold at Fair Value and the proceeds are distributed by the Corporation in complete liquidation pursuant to the rights and preferences set forth in the Certificate immediately prior to the Notice Date. 
  
 “Voting Regulatory Problem” shall exist when a Person and
such Person’s Affiliates would own, control or have power over a greater quantity of securities (including any Securities or debt securities) of any kind issued by the Corporation or any successor than are permitted under any requirement of any
governmental authority having jurisdiction over such Person. 
  
 “Voting Securities” means the Class A Common Stock, the Series B Preferred Stock (from and after a Trigger Event in accordance with the terms of the Certificate) and any other Securities of the Corporation which shall at
the time in question be entitled to vote on each matter as to which stockholders of the Corporation are entitled to vote. 
  
 “Warrants” means the warrants to purchase shares of Series A Preferred Stock and Series B Preferred Stock granted from time to time
pursuant to the Warrant Issuance Agreement. 
  
 “Warrant
Issuance Agreement” means a Warrant Issuance Agreement or similar document to be entered into by the Corporation and the Persons who shall, from time to time, purchase Warrants. 
  
 “Withdrawal Liability” has the meaning assigned to such term in Part I of Subtitle E of Title IV of ERISA.

  
 (b) The use in this Agreement of the term
“including” means “including, without limitation.” The words “herein,” “hereof,” “hereunder” and other words of similar import refer 

  

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to this Agreement as a whole, including the schedules and exhibits, as the same may from time to time be amended or supplemented, and not to any particular
subparagraph or clause contained in this Agreement. All references to schedules and exhibits mean the schedules and exhibits attached to this Agreement. 
  
 (c) Unless otherwise expressly set forth herein, whenever the term “best efforts” is used, such efforts shall not include any obligation to
incur substantial expenses or liabilities. 
  
 (d) The title of
and the section and paragraph headings in this Agreement are for convenience of reference only and shall not govern the interpretation of any of the terms or provisions of this Agreement. 
  
 (e) The use herein of the masculine, feminine or neuter forms shall also denote the other forms, as in each case the context
may require. 
  
 (f) Where specific language is used to clarify by
example a general statement contained herein, such specific language shall not be deemed to modify, limit or restrict in any manner the construction of the general statement to which it relates. The language used in this Agreement has been chosen by
the parties to express their mutual intent, and no rule of strict construction shall be applied against any party. 
  

	 	
Section 2.	Board of Directors. 

  
 (a) Election of Directors Generally. Each Stockholder shall from time to time take such action, in his capacity as a stockholder of the
Corporation, including the voting of all Securities owned or controlled by such Stockholder, as may be necessary to cause the Corporation to be managed at all times by a Board, consisting of five members to be designated as follows: 
  
 (i) for so long as D. George Harris and his Affiliates own
50% or more of the Securities (other than DGHA Restricted Shares) held by them on the Original Agreement Date, one director shall be D. George Harris ( the “George Harris Director”); 
  
 (ii) for so long as Anthony J. Petrocelli and his Affiliates
own 50% or more of the Securities (other than the DGHA Restricted Shares) held by them on the Original Agreement Date, one director shall be Anthony J. Petrocelli (the “Petrocelli Director”); 
  
 (iii) two directors shall be designated by a Majority of the
Institutional Stockholders (each an “Initial Institutional Director” and together the “Initial Institutional Directors”); 
  
 (iv) one director shall be the Chief Executive Officer of the Corporation; 
  
 (v) for so long as D. George Harris shall be elected as a director he shall also be elected as the Chairman
of the Board, and for so long as Anthony J. Petrocelli shall be elected as a director he shall also be elected as the Vice-Chairman of the Board. 
  

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 Notwithstanding the forgoing, in the event D. George Harris or Anthony J. Petrocelli cease to be a
director, the Harris Director or the Petrocelli Director, as applicable, shall thereafter be designated by a Majority of the Stockholders. 
  
 (b) Election of Additional Institutional Directors. In addition to the directors designated pursuant to Section 2(a), upon the occurrence of a
Trigger Event, the Majority of the Institutional Stockholders shall have the right to designate two additional directors (each an “Additional Institutional Director” and together the “Additional Institutional Directors”) so as to
cause the directors designated by the Institutional Stockholders to constitute a majority of the directors on the Board; provided, however, that such right shall be exercisable by the Majority of the Institutional Stockholders only
upon the delivery to the Corporation, during the continuance of the Trigger Event, of a written notice by a representative of the Majority of the Institutional Stockholders of their desire to designate the Additional Institutional Directors. The
Initial Institutional Directors and the Additional Institutional Directors are referred to herein collectively as the “Institutional Directors” and each, individually, an “Institutional Director”. Each Stockholder shall, at such
times as the Majority of the Institutional Stockholders are entitled to designate the Additional Institutional Directors and upon written notice from the Corporation, take such action, in his capacity as a stockholder of the Corporation, including
the voting of all Securities owned or controlled by such Stockholder, as may be necessary to cause the Additional Institutional Directors to be elected to the Board. 
  
 (c) Compensation Committee. Each Stockholder shall from time to time take such action, in his capacity as a
stockholder of the Corporation, including the voting of all Securities owned or controlled by such Stockholder, as may be necessary to cause a Compensation Committee of the Board to be constituted and to consist of three directors, two of which
shall be Institutional Directors and, for so long as he serves as a director, the third shall be D. George Harris. 
  
 (d) Expenses. The Corporation shall pay the reasonable out-of-pocket expenses incurred by each Board member designated pursuant to Section 2(a) or
2(b) in connection with attending the meetings of the Board and any committees thereof. 
  
 (e) Covenant to Vote. Each of the Stockholders agrees to vote, in person or by proxy, all of the Securities owned by such Stockholder and entitled to vote at any annual or special meeting of the stockholders of
the Corporation called for the purpose of voting on the election of directors, or to execute a written consent in lieu thereof, in favor of the election of the directors selected in accordance with Section 2(a) or 2(b). 
  
 (f) Removal of Directors. 
  
 (i) At all times a Majority of the Institutional
Stockholders shall have the right to recommend the removal, without cause, of any or all of the Institutional Directors. 
  
 (ii) In the event that a Majority of the Institutional Stockholders acting as described in Section 2(f)(i) shall, in accordance with their
rights specified herein, recommend the removal of any director or directors with respect to whom they have such 

  

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right, then each of the other Stockholders hereby agrees to join with such acting Institutional Stockholders in recommending such removal as described above,
and in causing the Corporation either to promptly hold a special meeting of stockholders and to vote, in person or by proxy, all of the Securities owned by such Stockholder and entitled to vote at such meeting or to execute a written consent in lieu
thereof, as the case may be, in favor of such removal. 
  
 (g)
Vacancies. In the event a vacancy is created on the Board by reason of the death, removal or resignation of any director, (i) such vacancy may be filled by the remaining directors in accordance with Sections 2(a) or 2(b), as applicable, and
(ii) with respect to the George Harris Director and/or the Petrocelli Director, such vacancy shall be filled by a Majority of the Stockholders. Such election shall occur within thirty days after such vacancy occurs. Each of the Stockholders hereby
agrees, in his capacity as a stockholder of the Corporation, to use his best efforts to cause the Corporation either to promptly hold a special meeting of stockholders or to execute a written consent in lieu thereof, and each of the Stockholders
hereby agrees to vote all of the Securities owned by such Stockholder and entitled to vote at such meeting, in person or by proxy, or pursuant to such written consent of stockholders, in favor of the person or persons selected in accordance with the
procedures as described herein, to fill such vacancy and, if necessary, in favor of removing any director elected to fill such vacancy other than in accordance with the selection procedures described herein. 
  
 (h) No Inconsistent Agreements. Each Stockholder represents that he
has not granted and is not a party to any proxy, voting trust or other agreement which is inconsistent with or conflicts with the provisions of this Agreement, and no Stockholder shall grant any proxy or become party to any voting trust or other
agreement which is inconsistent with or conflicts with the provisions of this Agreement. 
  
 (i) Appointment of Chief Executive Officer. Upon the removal or resignation of the Chief Executive Officer of the Corporation, his successor shall be appointed by the vote of a majority of the directors on the
Board and the outgoing Chief Executive Officer shall abstain from such vote. 
  

	 	
Section 3.	Financial Statements and Other Information, Inspections and Board Meetings. 

  
 (a) Prior to the consummation of an Initial Public Offering, the Corporation will deliver to each Stockholder having a
Proportionate Percentage of at least 5%: 
  
 (i)
as soon as available but in any event within 30 days after the end of each calendar month (the “Accounting Periods”) in each fiscal year, unaudited consolidated statements of income and cash flows of the Corporation and its Subsidiaries
for such Accounting Period and for the period from the beginning of the fiscal year to the end of such Accounting Period, which statements shall also include the EBITDA of the Corporation and its Subsidiaries for such Accounting Period, and
consolidated balance sheets of the Corporation and its Subsidiaries as of the end of such Accounting Period, setting forth in each case comparisons to the corresponding period in the annual budget and to the corresponding period in the preceding
fiscal year with variances delineated, 

  

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and all such statements will be prepared in accordance with generally accepted accounting principles, consistently applied; 
  
 (ii) as soon as available but in any event within 45 days
after the end of each fiscal quarter of the Corporation unaudited consolidated statements of income and cash flows of the Corporation and its Subsidiaries for such fiscal quarter, setting forth in each case comparisons to the corresponding period in
the annual budget and to the corresponding period in the preceding fiscal year with variances delineated, and accompanied by a written report of the Corporation’s Chief Executive Officer, Chief Operating Officer or Chief Financial Officer with
respect to (a) such Officer’s lack of actual knowledge after due investigation of any condition or event which constitutes an event of default under the terms of this Agreement, a Credit Event or an EBITDA Event; (b) the operations, problems
and achievements of the Corporation during such period and (c) the calculation of the financial tests required under the Credit Agreement for such period (such written report being referred to herein as the “Officer’s Report”);

  
 (iii) as soon as available but in any event
within 90 days after the end of each fiscal year of the Corporation, audited consolidated statements of income and cash flows of the Corporation and its Subsidiaries for such year, and the related balance sheets of the Corporation and its
Subsidiaries as of the end of such year, setting forth in each case in comparative form the corresponding figures for the preceding fiscal year and for the annual budget for such year, and accompanied by (a) an opinion thereon of independent
certified public accountants reasonably acceptable to a majority in interest of all Stockholders (it being agreed that Price Waterhouse Coopers is acceptable), which opinion shall state that said financial statements (other than the annual budget)
fairly present the financial condition and results of operations of the Corporation and its Subsidiaries as at the end of, and for, such fiscal year, (b) a letter from such accounting firm stating that in the course of its examination they obtained
no knowledge, except as specifically stated, that there was a default in existence by the Corporation or any Subsidiary under this Agreement or any other material agreement to which the Corporation or any Subsidiary is a party and (c) an
Officer’s Report; 
  
 (iv) promptly upon
receipt thereof, any additional reports, management letters (including the annual management letter to the Board) or other detailed information concerning significant aspects of the Corporation’s and its Subsidiaries’ operations and
financial affairs given to the Corporation by its independent accountants (and not otherwise contained in other materials provided hereunder); 
  
 (v) no later than 30 days prior to the end of each fiscal year, a consolidated annual budget prepared on a monthly basis for the
Corporation and its Subsidiaries for the succeeding fiscal year (displaying anticipated statements of income and cash flows and balance sheets); 
  
 (vi) promptly (but in any event within ten (10) business days) after the discovery or receipt of notice of (a) any default under the terms
of any material agreement to which the Corporation or any Subsidiary is a party (including without limitation, this Agreement) or, without limitation to the generality of the foregoing, a 

  

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Trigger Event or any other adverse event or circumstance affecting the Corporation or any Subsidiary which is material to the Corporation and its
Subsidiaries taken as a whole (including the filing of any material litigation against the Corporation or any Subsidiary or the existence of a dispute that may reasonably be expected to lead to material litigation) or (b) any noncompliance by the
Corporation or any Subsidiary with applicable laws, rules and regulations of all governmental authorities, the violation of which might reasonably be expected to have a material adverse effect upon the financial condition of the Corporation and its
Subsidiaries taken as a whole, an Officer’s Certificate specifying the nature and a period of existence thereof and what actions the Corporation and its Subsidiaries have taken and propose to take with respect thereto; 
  
 (vii) within ten (10) days after transmission thereof,
copies of all registration statements which the Corporation files with the Securities and Exchange Commission, and copies of all press releases and other statements made available generally by the Corporation to the public concerning material
developments in the Corporation’s business; 
  
 (viii) immediately upon receipt thereof, copies of all environmental reports or other communications concerning environmental matters of the Corporation or its Subsidiaries which might reasonably be expected to have a material adverse
effect upon the financial condition of the Corporation and its Subsidiaries taken as a whole; and 
  
 (ix) with reasonable promptness, such other information and financial data concerning the Corporation and its Subsidiaries as any
Stockholder having a Proportionate Percentage of at least 5% may reasonably request. 
  
 To the best of the Corporation’s knowledge, each of the financial statements referred to in subparagraphs (i), (ii) and (iii) will be true and correct in all material respects as of the dates and for the periods
stated therein, subject in the case of the unaudited financial statements to footnotes and changes resulting from normal year-end audit adjustments. 
  
 The Corporation will provide to all Stockholders, when available, audited consolidated statements of income and cash flows of the Corporation and its
Subsidiaries and the related consolidated balance sheet of the Corporation and its Subsidiaries, accompanied by an opinion thereon of the Corporation’s independent certified public accountant. 
  
 (b) Except as consented to in writing by the Corporation or as otherwise
required by law or judicial order or decree or by any governmental agency or authority, each Person which obtains information regarding the Corporation and its Subsidiaries under this Section 3 will use its best efforts to maintain the
confidentiality of all nonpublic information obtained by it hereunder which the Corporation has reasonably designated as proprietary or confidential in nature; provided that each such Person may disclose such information to a Permitted Transferee in
connection with the sale or transfer of any Securities if such Permitted Transferee agrees in writing to be bound by the provisions hereof. 
  
 (c) Prior to the consummation of an Initial Public Offering, the Corporation will permit each representative designated by any Stockholder having a
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at least 5%, upon reasonable notice to the Chief Executive Officer of the Corporation, during normal business hours or such other times as any such holder
may reasonably request and in such manner so as not to unreasonably interfere with the business and operations of the Corporation or any Subsidiary, to, at such holder’s expense, (i) visit and inspect any of the properties of the Corporation
and its Subsidiaries, (ii) examine the corporate and financial records of the Corporation and its Subsidiaries and make copies thereof or extracts therefrom and (iii) discuss the affairs, finances and accounts of any such corporations with the
directors, officers, key employees and independent accountants of the Corporation and its Subsidiaries. 
  

	 	
Section 4.	Additional Voting Agreements; Required Sale. 

  
 (a) The Corporation shall not, and shall ensure that each Subsidiary shall not, without the affirmative vote or written consent of, a Majority of the
Institutional Stockholders and the affirmative vote or written consent of D. George Harris and Anthony J. Petrocelli, individually, so long as D. George Harris and Anthony J. Petrocelli, each remains a director, as provided herein, or, if both D.
George Harris and Anthony J. Petrocelli shall cease to be directors, the affirmative vote or written consent of, a Majority of the Stockholders: 
  
 (i) consummate a Public Offering; 
  
 (ii) except as contemplated by this Agreement, the Subscription Agreement or the Warrant Issuance Agreement, after it shall have been
executed, issue any Securities other than to the Corporation or to a wholly-owned Subsidiary; 
  
 (iii) merge or consolidate with or into another entity (other than mergers of wholly-owned Subsidiaries and mergers of a wholly-owned
Subsidiary with and into the Corporation where the Corporation is the surviving corporation); 
  
 (iv) acquire any business from, or capital stock of, any Person; 
  
 (v) redeem the Seller Preferred Stock, otherwise than as required pursuant to the Certificate; 

 
 (vi) amend its Certificate of Incorporation; 

 
 (vii) amend its Bylaws; 
  
 (viii) increase the compensation of any of its officers,
directors or management employees, above the levels in existence as of the date hereof, or pay any fees to directors unless approved by the Compensation Committee; 
  
 (ix) sell, lease, exchange, convey, license or otherwise dispose of in any 12-month period in excess of 10%
(or, in the aggregate during the term of this Agreement, in excess of 25%) of its consolidated assets or assets which contributed 10% (or, in the aggregate during the term of this Agreement, in excess of 25%), or more of its average annual EBITDA
over the last 12 fiscal months, in any transaction or series of related transactions (other than sales in the ordinary course of business); 
  

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 (x) liquidate, dissolve or effect a recapitalization or reorganization in any form of
transaction; 
  
 (xi) enter into, revise or amend
any contract, agreement or transaction with any of its officers, directors, management employees or Affiliates, except for (a) the entering into of the Management Services Agreement, the DGHA Fee Letter, the Warrant Issuance Agreement, the
Registration Rights Agreement, the Tax Sharing Agreement, the DGHA Repurchase Agreement and the Manager Repurchase Agreement and the amendment of the Management Services Agreement contemplated by Section 5(d) thereof and (b) employment related
transactions on customary terms, bonus plans approved by the Compensation Committee and for normal employment arrangements and benefit programs on reasonable terms and except as otherwise contemplated by this Agreement; 
  
 (xii) incur or create, any indebtedness for borrowed money
in excess of the amounts permitted by the Debt Documents; 
  
 (xiii) make any loans or advances to, guarantees for the benefit of, or investments in, any Person (other than a wholly-owned Subsidiary), except as permitted by the Debt Documents or the Management Services Agreement
and except for (a) reasonable advances to employees in the ordinary course of business, (b) investments having a stated maturity no greater than one year from the date the Corporation makes such investment in (1) obligations of the United States
government or any agency thereof or obligations guaranteed by the United States government, (2) certificates of deposit of commercial banks having combined capital and surplus of at least $50 million or (3) commercial paper with a rating of at least
“Prime-1” by Moody’s Investors Service, Inc. or “A-1” by Standard & Poor’s Corporation and (c) repurchase obligations with a term of not more than seven days for underlying securities of the types described in
clause (b)(1) of this subparagraph (xiii) entered into with any bank meeting the qualifications specified in clause (b)(2) of this subparagraph (xiii); 
  
 (xiv) declare or pay any dividends upon the Securities (other than the Series A Preferred Stock and the Seller Preferred Stock); or

  
 (xv) take any action that would cause the
Corporation or any Subsidiary to incur a material liability to any Plan or the PBGC or substantially increase the rate of annual contributions to any Plan. 
  
 (b) At all times during the term of this Agreement the Corporation will, and will cause each Subsidiary to, unless, consent is obtained from a Majority of
the Institutional Stockholders and D. George Harris and Anthony J. Petrocelli, individually, so long as D. George Harris and Anthony J. Petrocelli, each remains a director, as provided herein or, if both D. George Harris and Anthony J. Petrocelli
shall cease to be directors, consent is obtained from a Majority of the Stockholders: 
  
 (i) cause to be done all things necessary to maintain, preserve and renew its corporate existence and all material licenses,
authorizations and permits necessary to the conduct of its businesses; 
  

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 (ii) maintain and keep its properties in good repair, working order and condition, and
from time to time make all necessary or desirable repairs, renewals and replacements, so that its businesses may be properly and advantageously conducted at all times; 
  
 (iii) pay and discharge when payable all taxes, assessments and governmental charges imposed upon its
properties or upon the income or profits therefrom (in each case before the same becomes delinquent and before penalties accrue thereon) and all claims for labor, materials or supplies which if unpaid might by law become a lien upon any of its
property, unless and to the extent that the same are being contested in good faith and by appropriate proceedings and adequate reserves (as determined in accordance with generally accepted accounting principles, consistently applied) have been
established on its books with respect thereto; 
  
 (iv) comply with all other material obligations which it incurs pursuant to any contract or agreement, whether oral or written, express or implied, as such obligations become due, unless and to the extent that the same are being contested
in good faith and by appropriate proceedings and adequate reserves (as determined in accordance with generally accepted accounting principles, consistently applied) have been established on its books with respect thereto; 
  
 (v) comply with all applicable laws, rules and regulations
of all governmental authorities, the violation of which might reasonably be expected to have a material adverse effect upon the financial condition, operating results or business prospects of the Corporation and its Subsidiaries taken as a whole;

  
 (vi) maintain proper books of record and
account which fairly present its financial condition and results of operations and make provisions on its financial statements for all such proper reserves as in each case are required in accordance with generally accepted accounting principles,
consistently applied; 
  
 (vii) comply with all
environmental regulations and orders with respect to such regulations, provided that this subparagraph shall not limit the ability of the Corporation or any Subsidiary thereof to contest in good faith any such order or regulation; 
  
 (viii) apply for and continue in force with good and
responsible insurance companies adequate insurance covering risks of such types and in such amounts as are customary for well-insured corporations of similar size engaged in similar lines of business, all as determined by the Board; 
  
 (ix) (A) promptly and in any event within 10 days after U.S.
Silica or any ERISA Affiliate knows or has reason to know that any ERISA Event has occurred, furnish to JPM a statement of the chief financial officer or treasurer of U.S. Silica describing such ERISA Event and the action, if any, that U.S. Silica
or such ERISA 

  

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Affiliate has taken and proposes to take with respect thereto and (B) on the date any records, documents or other information must be furnished to the PBGC
with respect to any Plan pursuant to Section 4010 of ERISA, furnish to JPM a copy of such records, documents and information; 
  
 (x) promptly and in any event within five days after receipt thereof by U.S. Silica or any ERISA Affiliate, furnish to JPM copies of each
notice from the PBGC stating its intention to terminate any Plan or to have a trustee appointed to administer any Plan; 
  
 (xi) furnish to JPM promptly upon receipt thereof by the Company or any ERISA Affiliate, a copy of the annual actuarial valuation report
of each Plan; and 
  
 (xii) promptly and in any
event within ten days after receipt thereof by U.S. Silica or any ERISA Affiliate from the sponsor of a Multiemployer Plan, furnish to JPM copies of each notice concerning (i) the imposition of Withdrawal Liability by any such Multiemployer Plan,
(ii) the reorganization or termination, within the meaning of Title IV of ERISA, of any such Multiemployer Plan or (iii) the amount of liability incurred, or that may be incurred, by U.S. Silica or any ERISA Affiliate in connection with any event
described in clause (i) or (ii). 
  
 (c) Each Stockholder shall in
his capacity as a stockholder of the Corporation, cause that the Corporation observe and perform its obligations under Section 4(a) and Section 4(b). 
  

	 	
Section 5.	First Refusal Rights for Securities Issued by the Corporation. 

  

(a) Except for the issuance of Securities in connection with an Exempt Issuance, if the Corporation authorizes the issuance and sale to any other
Person of any Securities or any securities containing options or rights to acquire any Securities (the “First Refusal Securities”), the Corporation will first offer to sell to each Stockholder a portion of the First Refusal Securities in
an amount equal to such Stockholder’s Proportionate Percentage of the First Refusal Securities (the “First Refusal Amount”). Each Stockholder will be entitled to purchase the First Refusal Securities at the same price per share and on
the same terms as the First Refusal Securities are to be offered to such other Person. 
  
 (b) Each Stockholder must exercise its purchase rights hereunder within 20 days after receipt of written notice from the Corporation describing in reasonable detail the First Refusal Securities being offered, the
purchase price per share, the payment terms and such Stockholder’s Proportionate Percentage and First Refusal Amount. If all of the First Refusal Securities offered to the Stockholders are not fully subscribed by such Stockholders, the
remaining First Refusal Securities will be reoffered to the Stockholders purchasing their entire First Refusal Amount upon the terms set forth in this Section until all such First Refusal Securities are fully subscribed or until all such
Stockholders have subscribed for all such First Refusal Securities which they desire to purchase, except that such Stockholders must exercise their purchase rights within 5 days after receipt of all such reoffers. 
  

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 (c) Upon the expiration of the offering periods described above, the Corporation will be free to sell
such First Refusal Securities which such Stockholders have not elected to purchase during the 60 days following such expiration, on terms and conditions no more favorable to the purchasers thereof than those offered to such Stockholders. Any First
Refusal Securities offered or sold by the Corporation after such 60-day period must be reoffered to the Stockholders pursuant to the terms of this Section. 
  
 (d) Payment for First Refusal Securities which a Stockholder has elected to purchase shall be made against delivery of (i) the certificates representing
the First Refusal Securities at the principal office of the Corporation not earlier than 10 days nor later than 20 days after expiration of the 20 days or 5 days referred to in Section 5(b), as the case may be, and (ii) of the entire price, by cash,
certified or bank cashier’s check, or such other consideration specified in the Corporation’s offer. 
  

	 	
Section 6.	Affiliate Transactions. 

  
 Payments made by the Corporation to DGHA pursuant to the Management Services Agreement shall be the only payments permitted to be made by the Corporation
to DGHA and its Affiliates without the consent of a majority of the Institutional Directors.  
  

	 	
Section 7.	[Section Left Intentionally Blank] 

  

	 	
Section 8.	Limitations on Transfers of Stock – General. 

  
 (a) The provisions regarding Transfers of Securities contained herein shall apply to all Securities now owned or hereafter acquired by a Stockholder,
including Securities acquired by reason of any dividend, distribution, exchange or conversion, additional issuances of Securities, and acquisitions of outstanding Securities from another Person, and such provisions shall apply to any Securities
obtained by a Stockholder upon the exercise, exchange or conversion of any option, warrant or other Security. 
  
 (b) No Stockholder shall Transfer any Security to a Person not already a party to this Agreement as a Stockholder unless and until such Person executes
and delivers to the Corporation a written agreement in form and substance reasonably acceptable to the Corporation pursuant to which such Person shall agree to become a party to, and to be bound by and to comply with the provisions of, this
Agreement in the same capacity and to the same extent as the Stockholder Transferring such Security. In the event of any Transfer to an Affiliate contemplated by clauses (i) (A) or (i)(B) of the definition thereof, the Transferee shall grant an
irrevocable proxy, which shall be deemed to be coupled with an interest, with respect to voting rights of such Securities to D. George Harris (or, if D. George Harris is no longer a Stockholder or if the transferor is D. George Harris, to Anthony J.
Petrocelli and if Anthony J. Petrocelli is no longer a Stockholder, to an individual elected by a majority of the Board), which proxy shall expire upon an Initial Public Offering. Any Transfer of Securities that is not made in compliance with the
provisions hereof shall be void ab initio. 
  
 (c) Any provision
of this Agreement to the contrary notwithstanding, no Stockholder shall (i) Transfer any Security to a Person which is a Competitor or to any Affiliates of a Competitor, (ii) effect any Transfer which would subject the Corporation to the reporting

  

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requirements of the Exchange Act or (iii) Transfer any Security to any Person if such Transfer would result in an event of default under any Debt Document.

  
 (d) The restrictions on Transfer contained in Sections 9, 11
and 12 shall not apply with respect to any Transfer of Securities by any Stockholder to its Affiliates. 
  

	 	
Section 9.	Limitations on Transfers of Restricted Shares. 

  
 Except as permitted by Section 8(d) or pursuant to Section 13, no Stockholder shall Transfer any Class C Restricted Shares at any time that the Class C
Restricted Shares shall be subject to the restrictions contained in the DGHA Repurchase Agreement or the Manager Repurchase Agreement. 
  

	 	
Section 10.	[Section Intentionally Left Blank]. 

  

	 	
Section 11.	Rights of First Refusal after Third Anniversary. 

  
 Except for Transfers permitted by Section 8(d) or Section 13 and except for sales of Securities by Manager Stockholders (to which JPM shall have consented
in its sole discretion) and Non-Affiliated Stockholders to DGHA Stockholders or Manager Stockholders on or prior to December 31, 1998 at a price per share equal to $39.90 for Series B Preferred Stock, $39.90 for Class A Common Stock and $7.78 for
Series A Preferred Stock, plus accrued dividends, on or after the third anniversary of the Original Agreement Date the Stockholders shall comply with the following procedures in connection with any Transfer of Securities: 
  
 (a) The Stockholder (“Offeror”) shall first deliver to the
Corporation a written notice (hereinafter in this Section 11 called the “Notice of Offer”), which shall be irrevocable for a period of 60 days after delivery thereof, offering (the “Offer”) to the Corporation and the other
Stockholders (the “Offerees”) all of the Securities proposed to be Transferred by the Offeror at the purchase price and on the terms specified therein (which Notice of Offer shall include all relevant terms of the proposed Transfer). The
Offeror shall also furnish to the Corporation such additional information relating to the Offer as may reasonably be requested by the Corporation. The Corporation shall have the right and option, for a period of 30 days after delivery of the Notice
of Offer by the Offeror, to accept all or any portion of the Securities so offered at the purchase price and on the terms stated in the Notice of Offer. The Corporation shall, if it does not elect to purchase all of the offered Securities, deliver a
copy of the Notice of Offer to the Offerees. Each Offeree shall have the right and option, for a period of 30 days after delivery of the Notice of Offer by the Corporation, by delivery of written notice to the Corporation (x) to accept all or any of
its Proportionate Percentage of the Securities so offered at the purchase price and on the terms stated in the Notice of Offer and (y) to offer to purchase any Securities not accepted by the other Offerees, in which case the Securities not accepted
by the other Offerees, shall be deemed to have been offered to and accepted by the Offerees, which exercised their option under this clause (y) pro rata in accordance with their respective Proportionate Percentages (computed without
including the Offerees, who have not exercised their option to purchase Securities under this clause (y)), on the above-described terms and conditions, and if all of the offered Securities shall not have been fully subscribed by such Offerees, the
remaining offered Securities will be reoffered to the Offerees who agreed to purchase their entire 

  

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entitlement of offered Securities under clause (x) upon the terms set forth in this Section until all such Securities are fully subscribed or until all such
Offerees have subscribed for all such offered Securities which they desire to purchase, except that such Offerees must exercise their purchase rights within five (5) business days after receipt of all such reoffers. Notwithstanding the foregoing
provisions of this Section 11(a), if the Offeror is a DGHA Stockholder, a Manager Stockholder, a Non-Affiliated Stockholder or an Institutional Stockholder, the other DGHA Stockholders, Manager Stockholders, Non-Affiliated Stockholders or
Institutional Stockholders, as the case may be, shall have the right to purchase, on a pro rata basis among such Stockholders, all of the Securities so offered prior to any purchases by any other Stockholders. 
  
 (b) Transfers of Securities under the terms of this Section 11 shall be made
at the offices of the Corporation on a mutually satisfactory business day within 15 days after the expiration of the applicable time periods. Delivery of certificates or other instruments evidencing such Securities, duly endorsed for transfer and
free and clear of all liens and encumbrances, shall be made on such date against payment of the purchase price therefor. 
  
 (c) If the Corporation and the Offerees shall not have accepted to purchase all the Securities offered for sale pursuant to the aforesaid Notice of Offer,
then the Offeror may Transfer to a third party that number of the Securities not accepted by the Corporation and the Offerees at the price and on substantially equivalent terms stated in the original Notice of Offer, at any time within 180 days
after the expiration of the Offers required by Section 11(a). In the event the Securities are not Transferred by the Offeror on such terms during such 180-day period, the restrictions of this Section 11 shall again become applicable to any Transfer
of Securities by the Offeror unless within such 180-day period the Offeror shall deliver to the Corporation a Notice of Offer with respect to an Offer of the same Securities at a purchase price which is less than the purchase price set forth in the
previous Offer, in which case the 30-day period specified in Section 11(a) shall be reduced to 15 days and a new 180-day period shall begin. Nothing in this Section 11 shall preclude any Stockholder from engaging in discussions with any investment
banker, potential transferee of Securities or other Person with respect to a possible purchase of Securities from it, so long as the provisions of this Section 11 are complied with prior to the consummation of any Transfer to which this applies.

  
 (d) The Offeror may specify in the Notice of Offer that all
Securities mentioned therein must be Transferred, in which case any acceptance received pursuant to Section 11(a) shall be deemed conditioned upon (x) receipt of written notices of binding acceptance with respect to all Securities mentioned in such
Notice of Offer or (y) the Transfer of the remaining Securities pursuant to Section 11(c). 
  

	 	
Section 12.	Rights of Co-Sale. 

  
 (a) Subject to the provisions of Section 12(c), in the event that on or after the third anniversary of the Original Agreement Date a Stockholder or group
of Stockholders (hereinafter, a “Section 12 Offeree”) receives a bona fide offer (the “Section 12 Offer”) from a third party which is not an Affiliate of the Section 12 Offeree (the “Section 12 Offeror”)
to purchase from such Section 12 Offeree Securities, for a specified price payable in cash or otherwise and on specified terms and conditions, such Section 12 Offeree shall promptly forward a notice (the “Section 12 Notice”) complying with
Section 12(b) to the Corporation and to the 

  

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other Stockholders (the Stockholders receiving a Section 12 Notice collectively referred to herein as the “Other Stockholders”). The Section 12
Offeree shall not Transfer any Securities prior to the expiration of the 15 day period referred to below to the Section 12 Offeror unless the terms of the Section 12 Offer are extended to each Other Stockholder with respect to its Proportionate
Percentage of the aggregate number and classes of Securities to which the Section 12 Offer relates, whereupon each Other Stockholder shall be entitled to Transfer such Other Stockholder’s Proportionate Percentage of the aggregate number of
Securities to which the Section 12 Offer relates. Each Other Stockholder shall have a period of 15 days to deliver a written notice (the “Section 12 Acceptance”) to the Section 12 Offeree evidencing its acceptance of the Section 12 Offer.

  
 (b) The Section 12 Notice shall set forth (i) the number of
Securities to which the Section 12 Offer relates and the name of the Section 12 Offeree, (ii) the name and address of the Section 12 Offeror, (iii) the proposed amount and type of consideration (including, if the consideration consists in whole or
in part of non-cash consideration, such information to the Section 12 Offeree as may be reasonably necessary for the Other Stockholders to properly analyze the economic value and investment risk of such non-cash consideration) and the terms and
conditions of payment offered by the Section 12 Offeror and (iv) that the Section 12 Offeror has been informed of the co-sale rights provided for in this Section 12, and has agreed to purchase Securities held by the Other Stockholders in accordance
with the terms of this Section 12 (which agreement may contain the Section 12 Offeror’s obligation to purchase all of the Securities held by the Other Stockholders subject to the Section 12 Offer from the Section 12 Offeree so long as such
Section 12 Offeree agrees to purchase simultaneously with such sale from the Other Stockholders if they deliver a Section 12 Acceptance the Securities held by the Other Stockholders subject to such Section 12 Notice of Acceptance). 
  
 (c) The foregoing provisions of this Section 12 shall not apply to a Transfer
or Transfer(s) by a Stockholder or group of Stockholders of up to the greater of (i) 0.50% of the Common Equivalents outstanding at such time, and (ii) 10% of the Securities held by such Stockholder or group of Stockholders at such time. 

 

	 	
Section 13.	Drag-Along Rights. 

  
 (a) If a Majority of all Institutional Stockholders approve a sale of all or substantially all of the capital stock or assets of the Company to a Person
which is not an Affiliate of any Stockholder (other than an Affiliate of a DGHA Stockholder) (an “Approved Sale”), whether by way of merger, consolidation, sale of stock or assets, or otherwise (each, a “Sale of the Company”),
all Stockholders shall consent to and raise no objections against the Approved Sale, and if the Approved Sale is structured as (A) a merger or consolidation of the Corporation or a Subsidiary, or a sale of all or substantially all of the assets of
the Corporation or a Subsidiary, each Stockholder shall waive any dissenters rights, appraisal rights or similar rights in connection with such merger, consolidation or asset sale, or (B) a sale of all the capital stock of the Corporation or a
Subsidiary, the Stockholders shall agree to sell their Securities on the terms and conditions approved by a Majority of all Institutional Stockholders. The Stockholders shall take all necessary and desirable actions approved by a Majority of the
Institutional Stockholders, in connection with the consummation of the Approved Sale, including the execution of such agreements and such instruments and other actions reasonably necessary to (1) 

  

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provide the representations, warranties, indemnities, covenants, conditions, non-compete agreements, escrow agreements and other provisions and agreements
relating to such Approved Sale and (2) effectuate the allocation and distribution of the aggregate consideration upon the Approved Sale, as set forth below. The Stockholders shall be permitted to sell their Securities pursuant to an Approved Sale
without complying with the provisions of Sections 8, 9, 11 or 12 of this Agreement. 
  
 (b) The obligations of the Stockholders pursuant to this Section 13 are subject to the satisfaction of the following conditions: 
  
 (i) subject to Section 13(b)(iii), upon the consummation of the Approved Sale, all of the Stockholders shall
receive the same proportion of the aggregate consideration from such Approved Sale that such holder would have received if such aggregate consideration had been distributed by the Corporation in complete liquidation pursuant to the rights and
preferences set forth in the Certificate as in effect immediately prior to such Approved Sale (giving effect to applicable orders of priority) and after giving effect to the purchase rights (if any) set forth in the DGHA Repurchase Agreement and the
Manager Repurchase Agreement; 
  
 (ii) if any
Stockholders of a class are given an option as to the form and amount of consideration to be received, all holders of such class will be given the same option; 
  

(iii) all holders of then-currently exercisable Common Equivalents will be given an opportunity to either (A) exercise such rights
prior to the consummation of the Approved Sale (but only to the extent such Common Equivalents are then vested) and participate in such sale as Stockholders or (B) upon the consummation of the Approved Sale, receive in exchange for such Common
Equivalents consideration equal to the amount determined by multiplying (x) the same amount of consideration per share of Common Stock (of the same class as that for which the Common Equivalent is exercisable) received by the holders of such class
of Common Stock in connection with the Approved Sale less the exercise price per Common Equivalent by (y) the number of Common Equivalents; 
  
 (iv) no Stockholder shall be obligated to make any out-of-pocket expenditure prior to the consummation of the Approved Sale (excluding
modest expenditures for postage, copies, etc.) and no Stockholder shall be obligated to pay more than his pro rata share (based upon the amount of consideration received) of reasonable expenses incurred in connection with a consummated Approved Sale
to the extent such costs are incurred for the benefit of all Stockholders and are not otherwise paid by the Corporation or the acquiring party (costs incurred by or on behalf of a Stockholder for its or his sole benefit will not be considered costs
of the transaction hereunder), provided that a Stockholder’s liability for such expenses shall be capped at the total purchase price received by such Stockholder for his Securities (including the exercise price thereof); and 
  
 (v) in the event that the Stockholders are required to
provide any representations or indemnities in connection with the Approved Sale (other than 

  

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representations and indemnities concerning each Stockholder’s valid ownership of his Securities, free of all liens and encumbrances (other than those
arising under applicable securities laws), and each Stockholder’s authority, power, and right to enter into and consummate such purchase or merger agreement without violating any other agreement), then each Stockholder shall not be liable for
more than his pro rata share (based upon the number of Securities held and not the amount of consideration received) of any liability for misrepresentation or indemnity and such liability shall not exceed the total purchase price received by such
Stockholder for his Securities (including the exercise price thereof), after taxes (after giving effect to all potential amendments of tax returns arising in connection with any indemnification claim) and expenses, and such liability shall be
satisfied solely out of any funds escrowed for such purpose. 
  
 (c) If the Corporation and any of the Stockholders or their representatives, enter into any negotiation or transaction for which Rule 506 under the Securities Act (or any similar rule then in effect) may be available with respect to such
negotiation or transaction (including a merger, consolidation or other reorganization), each Stockholder who is not an accredited investor (as such term is defined in Rule 501 under the Securities Act) will, at the request of the Corporation or the
Institutional Stockholders, appoint a purchaser representative (as such term is defined in Rule 501 under the Securities Act) reasonably acceptable to the Corporation or such Stockholders. 
  

	 	
Section 14.	Options Upon Termination Event. 

  
 (a) Upon the occurrence of a Termination Event with respect to a Stockholder who is a Manager Stockholder or a DGHA Stockholder (except a Termination
Event described in Section 14(d)(ii)(1) or (2) with respect to a Stockholder who is a DGHA Stockholder), in each case occurring on or prior to the fifth anniversary of the Original Agreement Date (or at any time with respect to a Termination Event
described in Section 14(d)(i)(1) or (2) with respect to a Stockholder who is a Manager Stockholder), subject to Section 14(c), the Corporation shall have the right but not the obligation to purchase any or all of such Stockholder’s (the
“Retiring Stockholder”) Securities (other than Class C Restricted Shares) (the “Retiring Shares”). The Corporation shall have 20 days after the occurrence of any Termination Event described above in which to give notice (the
“Primary Retirement Notice”) to the Retiring Stockholder of its election to purchase all of the Retiring Shares. The Primary Retirement Notice will disclose in reasonable detail the Corporation’s election to purchase all of the
Retiring Shares and the terms and conditions of the sale including the price per share of the Retiring Shares. In the event that the Corporation does not elect to purchase all of the Retiring Shares, the Corporation shall, within 20 days after the
occurrence of any Termination Event described above, deliver, on behalf of the Retiring Stockholder but at the expense of the Corporation, a written notice (the “Secondary Retirement Notice”) to the remaining Stockholders (the
“Eligible Stockholders”) and the Retiring Stockholder, which Secondary Retirement Notice will disclose in reasonable detail the terms and conditions of the sale including the total number of Retiring Shares and the number of Retiring
Shares, if any, to be purchased by the Corporation and the price per share of the Retiring Shares. Upon receipt of the Secondary Retirement Notice, each Eligible Stockholder shall have a right to purchase the Retiring Shares which will not be
purchased by the Corporation (the “Remaining Retiring Shares”), in the case of each Eligible Stockholder, up to that number of the Retiring Shares equal to such Eligible Stockholder’s Adjusted Proportionate Percentage of 

  

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the Remaining Retiring Shares (such number of shares hereinafter referred to as the “Retiring Participation Shares”) with respect to such Eligible
Stockholder. The Eligible Stockholders shall have 20 days after the Secondary Retirement Notice is received in which to give counter-notice of such Eligible Stockholder’s election to purchase such Remaining Retiring Shares (such election by an
Eligible Stockholder being referred to as an “Initial Retiring Purchase”). An Initial Retiring Purchase by an Eligible Stockholder may be of all or part of his or its Retiring Participation Shares. Any Eligible Stockholder may at any time
elect in his or its counter-notice to purchase, in addition to his or its Retiring Participation Shares, the balance (or the balance up to a maximum stated number) of any Remaining Retiring Shares being offered to other Eligible Stockholders which
are not accepted by such other Eligible Stockholders (such acceptance being hereinafter referred to as an “Additional Retiring Purchase”). If the number of Remaining Retiring Shares that the Eligible Stockholders elect to purchase in their
Initial Retiring Purchases and Additional Retiring Purchases exceeds the number of Remaining Retiring Shares, the number of Remaining Retiring Shares to be purchased in the aggregate by all Second Priority Eligible Stockholders shall be reduced to
the extent of the Excess Attributable to the Second Priority Additional Retiring Purchases with such reduction in the number of Remaining Retiring Shares to be purchased in the aggregate by all Second Priority Eligible Stockholders to be allocated
among such Second Priority Eligible Stockholders in proportion to the number of Remaining Retiring Shares each Second Priority Eligible Stockholder has agreed to purchase in such Second Priority Eligible Stockholder’s Additional Retiring
Purchase (the “First Retirement Reduction”). If any excess remains after the First Retirement Reduction, the number of Remaining Retiring Shares to be purchased in the aggregate by all Second Priority Eligible Stockholders shall be further
reduced to the extent of the Excess Attributable to the Second Priority Initial Retiring Purchases with such reduction in the number of Remaining Retiring Shares to be purchased in the aggregate by all Second Priority Eligible Stockholders to be
allocated among such Second Priority Eligible Stockholders in proportion to the number of Remaining Retiring Shares each Second Priority Eligible Stockholder has agreed to purchase in such Second Priority Eligible Stockholder’s Initial Retiring
Purchase (the “Second Retirement Reduction”). If any excess remains after the Second Retirement Reduction, the number of Remaining Retiring Shares to be purchased in the aggregate by all First Priority Eligible Stockholders shall be
reduced to the extent of the Excess Attributable to the First Priority Additional Retiring Purchases with such reduction in the number of Remaining Retiring Shares to be purchased in the aggregate by all First Priority Eligible Stockholders to be
allocated among such First Priority Eligible Stockholders in proportion to the number of Remaining Retiring Shares each First Priority Eligible Stockholder has agreed to purchase in such First Priority Eligible Stockholder’s Additional Retiring
Purchase. To the extent possible, any mechanical problems shall be solved in any equitable manner determined by the Board to be consistent with the intent of the parties hereto. 
  
 (b) The price per share for Retiring Shares shall be the Valuation Price per Share as in effect on the date of the Primary
Retirement Notice or, in the event that the Corporation does not deliver a Primary Retirement Notice, as in effect on the date of the Secondary Retirement Notice (the “Notice Date”). 
  
 (c) Upon the occurrence of any Termination Event (except for a Termination
Event described in Section 14(d)(i)(5) or Section 14(d)(ii)(5) with respect to a Stockholder who is a Manager Stockholder or a DGHA Stockholder, in each case occurring on or prior to the fifth 

  

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anniversary of the Original Agreement Date (or at any time with respect to a Termination Event described in Section 14(d)(i)(1) or (2) or Section
14(d)(ii)(1) or (2)), such Stockholder or his or her designated beneficiaries, as the case many be, shall be entitled to require, subject to the provisions of the next sentence, by written notice delivered to the Corporation within 60 days of such
Termination Event, that the Corporation (or, at the election of the Corporation, the Corporation’s designee) repurchase for cash not less than all Securities (other than Class C Restricted Shares) then held by such Stockholder prior to such
Termination Event (the “Individual Investor Put Shares”) at a price per share equal to the Valuation Price per Share as of the date of such Termination Event. The Corporation’s repurchase obligation described in the foregoing sentence
shall be in all cases subject to any applicable restrictions provided by the Delaware General Corporation Law, the Certificate and any applicable restrictions and conditions set out in the Debt Documents. 
  
 (d) As used in this Section 14, a “Termination Event” shall have
occurred if: 
  
 (i) a Manager Stockholder’s
employment with the Corporation or any Subsidiary thereof is terminated (and not continued, or substantially simultaneously resumed, with the Corporation or any Subsidiary thereof) as a result of: 
  
 (1) the death of such Manager Stockholder; 
  
 (2) the permanent disability (as determined by the Board or
the Board of Directors of such Subsidiary, as the case may be, in good faith) of such Manager Stockholder; 
  
 (3) the retirement at or above age 65 (or such other age as may be determined by the Compensation Committee) of such Manager Stockholder;

  
 (4) termination by the Corporation or any
such Subsidiary of such Manager Stockholder for any reason other than for Cause; or 
  
 (5) such Manager Stockholder notifies the Corporation or any such Subsidiary that he is terminating his employment, or the Corporation or
any such Subsidiary notifies such Manager Stockholder that the employment of such Manager Stockholder is being terminated for Cause. 
  
 (ii) a DGHA Stockholder’s employment with DGHA or any Affiliate thereof is terminated (and not continued, or substantially
simultaneously resumed, with DGHA or any Affiliate thereof) as a result of: 
  
 (1) the death of such DGHA Stockholder; 
  
 (2) the permanent disability (as determined by the Board or the Board of Directors of such Affiliate, as the case may be, in good faith) of such DGHA Stockholder; 
  
 (3) the retirement at or above age 70 (or such other age as
may be determined by the Compensation Committee) of such DGHA Stockholder; 
  

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 (4) termination by DGHA or any Affiliate thereof of such DGHA Stockholder for any reason
other than for Cause; or 
  
 (5) such DGHA
Stockholder notifies DGHA or any Affiliate thereof that he is terminating his employment, or DGHA or any Affiliate thereof notifies such DGHA Stockholder that the employment of such DGHA Stockholder is being terminated for Cause. 
  
 (e) Any repurchase by the Corporation or purchase by an Eligible Stockholder
of the Individual Investor Put Shares or the Retiring Shares, as the case may be, pursuant to this Section 14 shall be effected by delivery by the Stockholder or his beneficiaries, as the case may be, of the certificate(s) for all such Retiring
Shares of Individual Investor Put Shares (properly endorsed for transfer) to the appropriate transferee(s) on a date five (5) business days after the requisite notice or notices pursuant to this Section 14 requiring the repurchase or purchase of all
such Retiring Shares or Individual Investor Put Shares, as the case may be, have been given (the “Transfer Date”). As of the Transfer Date, title to such Retiring Shares or Individual Investor Put Shares shall be deemed transferred to the
respective transferee(s) upon tender by such transferee(s) of the purchase price for such Retiring Shares or Individual Investor Put Shares to the Stockholder or his designated beneficiaries by a check or checks in New York Clearing House funds or
by a wire transfer to the account of the Stockholder or his designated beneficiaries. 
  
 (f) Notwithstanding anything to the contrary contained in this Section 14, the Corporation and the Retiring Stockholder (in the case of a repurchase contemplated by Section 14(a)) or the Corporation and the Manager
Stockholder or DGHA Stockholder or his or her designated beneficiaries (in the case of a repurchase contemplated by (Section 14(c)), as the case may be, shall have the right and option to elect (the “Deferral Election”), pursuant to a
written agreement duly executed by such persons, to deem the date of the relevant Termination Event to be deferred for purposes of this Section 14 until a date (the “Deferral Date”) not more than six years following the date of the
Deferral Election. A Deferral Election must be made within 90 days of the occurrence of the relevant Termination Event. A Deferral Election shall be effective solely to defer for purposes of this Section 14 the date of a Termination Event until the
Deferral Date specified in, or determined pursuant to, such Deferral Election (at which time Sections 14(a) and 14(c) shall be applicable according to their respective terms) and such Deferral Election shall not otherwise affect the rights or
obligations of any party hereto. 
  

	 	
Section 15.	[Section Intentionally Left Blank] 

  

	 	
Section 16.	Regulatory Matters. 

  
 (a) Regulatory Compliance Cooperation. 
  
 (i) If a Stockholder determines that it has a Regulatory Problem, the Corporation agrees to take all such actions as are reasonably
requested by such Stockholder (x) to effectuate and facilitate any Transfer by such Stockholder of any Securities (as defined below) of the Corporation then held by such Stockholder to any Person designated by such Stockholder, (y) to permit such
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of such Stockholder) to exchange all or any portion of the voting Securities then held by such Person on a share-for-share basis for shares of a class of
nonvoting Securities of the Corporation, which nonvoting Securities shall be identical in all respects to such voting Securities, except that such new Securities shall be nonvoting and shall be convertible into voting Securities on such terms as are
requested by such Stockholder in light of regulatory considerations then prevailing, and (z) to continue and preserve the respective allocation of the voting interests with respect to the Corporation provided for in the Certificate and this
Agreement and with respect to such Stockholder’s ownership of the Corporation’s voting Securities. Such actions may include, without limitation, (x) entering into such additional agreements as are reasonably requested by such Stockholder
to permit any Person(s) designated by such Stockholder to exercise any voting power which is relinquished by such Stockholder upon any exchange of voting Securities for nonvoting Securities of the Corporation; and (y) entering into such additional
agreements, adopting such amendments to this Agreement, the Certificate and the Bylaws of the Corporation and taking such additional actions as are reasonably requested by such Stockholder in order to effectuate the intent of the foregoing;
provided, however that such actions will not change materially any of the agreements, rights or obligations of the parties reflected herein or in the Certificate or the Bylaws. 
  
 (ii) Before the Corporation redeems, purchases or otherwise acquires, directly or indirectly, or converts or
takes any action with respect to the voting rights of, any Securities, the Corporation shall give written notice of such pending action to each Stockholder. Upon the written request of any Stockholder made within 10 days after its receipt of such
notice stating that after giving effect to such action such Stockholder would have a Voting Regulatory Problem, the Corporation shall defer taking such action for such period (not to extend beyond 45 days after such Stockholder’s receipt of the
Corporation’s original notice) as such Stockholder requests to permit it and its Affiliates to reduce the quantity of Securities they own or take other appropriate action in order to avoid the Voting Regulatory Problem. In addition, in the
event that the Corporation shall be a party to any merger, consolidation, recapitalization or other transaction pursuant to which any Stockholder would be required to take any voting Securities, or any Securities convertible into, or exchangeable or
exercisable for, voting Securities, which might reasonably be expected to cause such Stockholder to have a Voting Regulatory Problem, then the Corporation shall not be a party to such transaction unless such Stockholder shall receive non-voting
Securities. 
  
 (b) Cooperation of Other Stockholders. Each
Stockholder agrees to cooperate with the Corporation in complying with Section 16(a) above, including without limitation, voting to approve amending the Certificate, this Agreement or the Bylaws in a manner reasonably requested by the Stockholder
requesting such amendment. 
  
 (c) Covenant Not to Amend.
The Corporation and each Stockholder agree not to amend or waive the voting or other provisions of the Certificate, this Agreement or the Bylaws if such amendment or waiver would cause any Stockholder to have a Voting Regulatory Problem, provided
that any such Stockholder notifies the Corporation that it would have a Voting Regulatory Problem promptly after it has notice of such amendment or waiver. 
  

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Section 17.	Requisite Stockholder Approval. 

  
 Each Stockholder agrees to consider in good faith any proposal or proposals made by the Corporation for a Stockholder vote (with or without a meeting), or
for a Stockholder or Stockholders to take any other action or actions, that the Corporation deems reasonably advisable in connection with achieving a Requisite Stockholder Approval. The Corporation shall make one or more proposals for a Stockholder
vote (with or without a meeting), or for a Stockholder or Stockholders to take any other action or actions, that the Corporation deems reasonably advisable in connection with achieving a Requisite Stockholder Approval. 
  

	 	
Section 18.	Amendment and Waiver. 

  
 (a) Except as expressly set forth herein, the provisions of this Agreement may only be amended or waived with the prior written consent of the
Corporation, a Majority of the Institutional Stockholders and a Majority of the DGHA Stockholders; provided, however, that Schedule 1 to this Agreement shall be deemed to be automatically amended from time to time to reflect issuances and Transfers
of Securities made in accordance with the terms hereof without requiring the consent of any party, and the Corporation will, upon request, distribute to any Stockholder a revised Schedule 1 to reflect any such changes. 
  
 (b) No course of dealing between the Corporation, its Subsidiaries and the
Stockholders (or any of them) or any delay in exercising any rights hereunder will operate as a waiver of any rights of any party to this Agreement. 
  
 (c) For purposes of this Agreement, shares of capital stock held by the Corporation or any Subsidiaries will not be deemed to be outstanding. 

 
 (d) The failure of any party to enforce any of the provisions of this
Agreement will in no way be construed as a waiver of such provisions and will not affect the right of such party thereafter to enforce each and every provision of this Agreement in accordance with its terms. 
  

	 	
Section 19.	Securities Law Compliance; Legends. 

  
 (a) Restriction on Transfer. No Stockholder shall Transfer Restricted Securities except in compliance with the conditions specified in this
Agreement or pursuant to a Public Sale. 
  
 (b) Restrictive
Legends. Each certificate for the Restricted Securities shall (unless otherwise provided by the provisions of Section 19(d)) be stamped or otherwise imprinted with a legend in substantially the following terms: 
  
 THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE BEEN ACQUIRED FOR
INVESTMENT AND HAVE NOT BEEN REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933 OR ANY STATE SECURITIES OR BLUE SKY LAWS. THESE SECURITIES MAY NOT BE SOLD OR TRANSFERRED IN THE ABSENCE OF SUCH 

  

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REGISTRATION OR AN EXEMPTION THEREFROM UNDER SAID ACT OR LAWS. 
  
 (c) Notice of Transfer. The holder of any Restricted Securities, by its acceptance or purchase thereof, agrees, prior to any Transfer of any such
Restricted Securities (except pursuant to an effective registration statement), to give written notice to the Corporation of such holder’s intention to effect such Transfer and agrees to comply in all other respects with the provisions of this
Section 19. Each such notice shall describe the manner and circumstances of the proposed Transfer and, unless waived by the Corporation, shall be accompanied by the written opinion, addressed to the Corporation, of counsel for the holder of such
Restricted Securities (which counsel shall be reasonably satisfactory to the Corporation), stating that in the opinion of such counsel (which opinion shall be reasonably satisfactory to the Corporation) such proposed Transfer does not involve a
transaction requiring registration or qualification of such Restricted Securities under the Securities Act or the securities laws of any state of the United States. Subject to complying with the other applicable provisions hereof, such holder of
Restricted Securities shall be entitled to consummate such Transfer in accordance with the terms of the notice delivered by it to the Corporation if the Corporation does not object (on the basis that such Transfer violates the provisions of this
Section 19) to such Transfer within five days after the delivery of such notice. Each certificate or other instrument evidencing the securities issued upon the Transfer of any Restricted Securities (and each certificate or other instrument
evidencing any untransferred balance of such Securities) shall bear the legend set forth in Section 19(b) unless (i) in such opinion of such counsel registration of future Transfer is not required by the applicable provisions of the Securities Act
or the securities laws of any state of the United States or (ii) the Corporation shall have waived the requirement of such legend. 
  
 (d) Removal of Legends, Etc. Notwithstanding the foregoing provisions of this Section 19, the restriction imposed by Sections 19(a), (b) and (c)
upon the transferability of any Restricted Securities shall cease and terminate when (i) any such Restricted Securities are sold or otherwise disposed of in accordance with the intended method of disposition by the seller or sellers thereof set
forth in a registration statement or are sold or otherwise disposed of in a transaction contemplated by Section 19(c) which does not require that the securities transferred bear the legend set forth in Section 19(b), or (ii) the holder of such
Restricted Securities has met the requirement of transfer of such Restricted Securities pursuant to subparagraph (k) of Rule 144. Whenever the restrictions imposed by Sections 19(a), (b) and (c) shall terminate, as herein provided, the holder of any
Restricted Securities shall be entitled to receive from the Corporation, without expense, a new certificate not bearing the restrictive legend set forth in Section 19(b) and not containing any other reference to the restrictions imposed by Sections
19(a), (b) and (c). 
  
 (e) Additional Legend. Each
certificate evidencing Securities and each certificate issued in exchange for or upon the Transfer of any Securities (if such shares remain Securities as defined herein after such Transfer) shall be stamped or otherwise imprinted with a legend in
substantially the following form: 
  
 “THE SECURITIES
REPRESENTED BY THIS CERTIFICATE ARE ALSO SUBJECT TO A STOCKHOLDERS AGREEMENT DATED AS OF FEBRUARY 9, 1996 AMONG THE ISSUER OF 

  

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SUCH SECURITIES (THE “COMPANY”) AND CERTAIN OF THE COMPANY’S STOCKHOLDERS. THE TERMS OF SUCH STOCKHOLDERS AGREEMENT INCLUDE, AMONG OTHER
THINGS, VOTING AGREEMENTS, REPURCHASE AGREEMENTS AND RESTRICTIONS ON TRANSFERS. A COPY OF SUCH STOCKHOLDERS AGREEMENT WILL BE FURNISHED WITHOUT CHARGE BY THE COMPANY TO THE HOLDER HEREOF UPON WRITTEN REQUEST.” 
  
 The Corporation shall imprint such legends on certificates evidencing shares outstanding
prior to the date hereof. The legend set forth above shall be removed from the certificates evidencing any shares which cease to be Securities in accordance with the terns of this Agreement. 
  

	 	
Section 20.	Duration of Agreement. 

  
 The rights and obligations of each Stockholder under this Agreement shall terminate as to such Stockholder upon the earliest to occur of (a) the Transfer
of all Securities owned by such Stockholder and (b) the consummation of an IRR Event. 
  

	 	
Section 21.	Severability. 

  
 Whenever possible, each provision of this Agreement will be interpreted in such manner as to be effective and valid under applicable law, but if any
provision of this Agreement is held to be invalid, illegal or unenforceable in any respect under any applicable law or rule in any jurisdiction, such invalidity, illegality or unenforceability will not affect any other provision or any other
jurisdiction, and such invalid, void or otherwise unenforceable provisions shall be null and void. It is the intent of the parties, however, that any invalid, void or otherwise unenforceable provisions be automatically replaced by other provisions
which are as similar as possible in terms to such invalid, void or otherwise unenforceable provisions but are valid and enforceable to the fullest extent permitted by law. 
  

	 	
Section 22.	Entire Agreement. 

  
 This document embodies the complete agreement and understanding among the parties hereto with respect to the subject matter hereof and supersedes and
preempts any prior understandings, agreements or representations by or among the parties, written or oral, which may have related to the subject matter hereof in any way. 
  

	 	
Section 23.	Certain Stockholders. 

  
 If any Stockholder is an entity that was formed for the purpose of acquiring Securities or that has no substantial assets other than Securities or
interests in Securities, such Stockholder agrees that (a) shares of its common stock or other instruments reflecting equity interests in such entity (and the shares of common stock or other equity interests in any similar entities controlling such
entity) will note the restrictions contained in this Agreement on the transfer of Securities as if such common stock or other equity interests were Securities and (b) no shares of such common stock or other equity interests may be transferred to any
Person other than in accordance with the 

  

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terms and provisions of this Agreement as if such common stock or other equity interests were Securities. 
  

	 	
Section 24.	Successors and Assigns. 

  
 Except as otherwise provided herein, this Agreement will bind and inure to the benefit of and be enforceable by the Corporation and its successors and
assigns and the Stockholders and any subsequent holders of Securities and the respective successors and permitted assigns of each of them, so long as they hold Securities. None of the provisions hereof shall create, or be construed or deemed to
create, any right to employment in favor of any Person by the Corporation or any of its Subsidiaries. This Agreement is not intended to create any third party beneficiaries. 
  

	 	
Section 25.	Counterparts. 

  
 This Agreement may be executed simultaneously in two or more counterparts, any one of which need not contain the signatures of more than one party, but
all such counterparts taken together will constitute one and the same agreement. It shall not be necessary in making proof of this Agreement to produce or account for more than one such counterpart. 
  

	 	
Section 26.	Remedies. 

  
 (a) Each Stockholder shall have all rights and remedies reserved for such Stockholder pursuant to this Agreement, the Subscription Agreement dated the
Original Agreement Date, the Certificate and Bylaws and all rights and remedies which such holder has been granted at any time under any other agreement or contract and all of the rights which such holder has under any law or equity. Any Person
having any rights under any provision of this Agreement will be entitled to enforce such rights specifically, to recover damages by reason of any breach of any provision of this Agreement and to exercise all other rights granted by law or equity.

  
 (b) The parties hereto agree that if any parties seek to
resolve any dispute arising under this Agreement pursuant to a legal proceeding, the prevailing parties to such proceeding shall be entitled to receive reasonable fees and expenses (including reasonable attorneys’ fees and expenses) incurred in
connection with such proceedings. 
  
 (c) It is acknowledged that
it will be impossible to measure in money the damages that would be suffered if the parties fail to comply with any of the obligations herein imposed on them and that in the event of any such failure, an aggrieved Person will be irreparably damaged
and will not have an adequate remedy at law. Any such person shall, therefore, be entitled to injunctive relief, including specific performance, to enforce such obligations, and if any action should be brought in equity to enforce any of the
provisions of this Agreement, none of the parties hereto shall raise the defense that there is an adequate remedy at law. 
  

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Section 27.	Notices. 

  
 All notices, demands or other communications to be given or delivered under or by reason of the provisions of this Agreement shall be in writing and shall
be deemed to have been given (a) when delivered personally to the recipient, (b) one business day after being sent by reputable overnight courier (charges prepaid) (regardless of whether the recipient refuses to accept delivery), (c) five business
days after being sent to the recipient by certified or registered mail, return receipt requested and postage prepaid (regardless of whether the recipient refuses to accept delivery) or (d) when sent to the recipient by facsimile or electronically,
by email (followed promptly by personal, courier or certified or registered mail delivery). The Corporation’s address is: 
  
 USS Holdings, Inc. 
 c/o U.S. Silica Company

 Route 522 North 
 P.O. Box 187

 Berkeley Springs, WV 25411-0187 
 Telephone: (304) 258-2500 
 Telecopier: (304) 285-3500 
 Attention: John Ulizio 
 Email: ulizio@ussilica.com 
  
 With a copy to: 
  
 If before January 31, 2004, 
  
 D. George & Associates, LLC 
 c/o Pillsbury Winthrop LLP 
 One Battery Park
Plaza 
 New York, New York 10004 
 Telephone: (212) 858-1000 
 Telecopier: (212) 858-1500 
 Attention: Donald G. Kilpatrick, Esq. 
 Email: dkilpatrick@pillsburywinthrop.com 
  
 Thereafter, 
  
 D. George & Associates, LLC 
 c/o Pillsbury Winthrop LLP 
 1540 Broadway

 New York, New York 10036 
 Telephone: (212) 858-1000 
 Telecopier: (212) 858-1500 
 Attention: Donald G. Kilpatrick, Esq. 
 Email: dkilpatrick@pillsburywinthrop.com 
  

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 With an additional copy to: 
  
 J.P. Morgan Partners (23A SBIC) LLC 
 c/o J. P. Morgan Partners, LLC 
 1221 Avenue of the Americas 
 New York, New York 10020-1080 
 Attention:
Official Notices Clerk 
 FBO: Timothy J. Walsh 
 Email: timothy.walsh@jpmorganpartners.com 
 Facsimile: (212) 899-3401 
  
 The address for each Stockholder is set forth on Schedule 1 hereto; and if to
JPM, with a copy to: 
  
 O’Melveny & Myers LLP

 30 Rockefeller Plaza 
 New
York, New York 10112 
 Telephone: (212) 408-2400 
 Telecopier: (212) 408-2420 
 Attention: John J. Suydam, Esq. 
 Email: jsuydam@omm.com 
  

	 	
Section 28.	Governing Law. 

  
 All questions concerning the construction, interpretation and validity of this Agreement shall be governed by and construed in accordance with the
domestic laws of the State of New York without giving effect to any choice or conflict of law provision or rule (whether in the State of New York or any other jurisdiction) that would cause the application of the laws of any jurisdiction other than
the State of New York. 
  

	 	
Section 29.	Further Assurances. 

  
 Each party hereto shall do and perform or cause to be done and performed all such further acts and things and shall execute and deliver all such other
agreements, certificates, instruments, and documents as any other party hereto reasonably may request in order to carry out the provisions of this Agreement and the consummation of the transactions contemplated hereby. 
  

	 	
Section 30.	Jurisdiction; Venue; Process. 

  
 The parties to this Agreement agree that jurisdiction and venue in any action brought by any party hereto pursuant to this Agreement shall properly (but
not exclusively) lie in any federal or state court located in the State of New York. By execution and delivery of this Agreement, the parties hereto irrevocably submit to the jurisdiction of such courts for himself and in respect of his property
with respect to such action. The parties hereto irrevocably agree that venue would be proper in such court, and hereby waive any objection that such court is an improper or 

  

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inconvenient forum for the resolution of such action. The parties further agree that the mailing by certified or registered mail, return receipt requested,
of any process required by any such court shall constitute valid and lawful service of process against them, without necessity for service by any other means provided by statute or rule of court. 
  

	 	
Section 31.	Representation and Warranties of the Stockholders. 

  
 Each Stockholder (as to himself or itself only) represents and warrants to the Corporation and the other Stockholders that, as of the time such
Stockholder becomes a party to this Agreement: 
  
 (a) this
Agreement has been duly and validly executed and delivered by such Stockholder and this Agreement constitutes a legal and binding obligation of such Stockholder, enforceable against such Stockholder in accordance with its terms; 
  
 (b) the execution, delivery and performance by such Stockholder of this
Agreement and the consummation by such Stockholder of the transactions contemplated hereby will not, with or without the giving of notice or lapse of time, or both (i) violate any provision of law, statute, rule or regulation to which the
Stockholder is subject, (ii) violate any order, judgment or decree applicable to such Stockholder, or (iii) conflict with, or result in a breach or default under, any term or condition of any agreement or other instrument to which such Stockholder
is a party or by which such Stockholder is bound, except for such violations, conflicts, breaches or defaults that would not, in the aggregate, materially affect the Stockholder’s ability to perform its obligations hereunder; 
  
 (c) the Stockholder purchased the Securities owned by it for its own account,
for investment and not with a view to the distribution thereof within the meaning of the Securities Act; 
  
 (d) the Stockholder understands that the Securities have not been registered under the Securities Act or registered or qualified under applicable state
securities laws by reason of their issuance by the Corporation in a transaction exempt from the registration and qualification requirements of the Securities Act and applicable state securities laws, and (ii) the Securities must be held by the
Stockholder indefinitely unless a subsequent disposition thereof is registered or qualified under the Securities Act and applicable state securities laws or is exempt from such registration or qualification. The Stockholder understands that the
certificates for the Securities will bear the legends described in Section 19(b) and (e); 
  
 (e) the Stockholder further understands that, with respect to the Securities, the exemption from registration afforded by Rule 144 (the provisions of which are known to the Stockholder) depends on the satisfaction of
various conditions, and that, if applicable, Rule 144 may only afford the basis for sales only in limited amounts; 
  
 (f) the Stockholder has not employed any broker or finder or similar person in connection with its purchase of the Securities; 
  
 (g) except as disclosed in writing to the Corporation prior to the
acquisition of Securities by such Stockholder, the Stockholder is an “accredited investor” (as defined in Rule 

  

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501 (a) of Regulation D promulgated under the Securities Act). The Corporation has made available to the Stockholder or its representatives all agreements,
documents, records and books that the Stockholder has requested relating to an investment in the Securities. The Stockholder has had an opportunity to ask questions of, and receive answers from, Persons acting on behalf of the Corporation concerning
the terms and conditions of this investment, and answers have been provided to all of such questions to the full satisfaction of the Stockholder. No oral representations have been made or furnished to, or relied on by, the Stockholder or its
representatives in connection with its investment in the Securities. The Stockholder has such knowledge and experience in financial and business matters that it is capable of evaluating the risks and merits of its investment in the Securities;

  
 (h) the Stockholder has no need for liquidity in its
investment in the Securities and is able to bear the economic risk of its investment in the Securities and the complete loss of all of such investment; 
  
 (i) the Stockholder further understands that this Agreement is made with the Stockholder in reliance upon the Stockholder’s representations to the
Corporation contained in this Section 31; and 
  
 (j) the
Stockholder and its representatives have conducted a due diligence investigation and have had the opportunity to review all documents and information which the Stockholder and its representatives have requested concerning U.S. Silica, the
Corporation, the Subsidiaries and the Stockholder’s investment. In reaching its decision to invest in the Corporation, the Stockholder has relied on the foregoing investigation and information, on the representations and warranties in the Stock
Purchase Agreement and on the representations and warranties set forth herein. 
  

	 	
Section 32.	Conflicting Agreements. 

  
 No Stockholder shall enter into any stockholder agreements or arrangements of any kind with any Person with respect to any Securities on terms
inconsistent with the provisions of this Agreement (whether or not such agreements or arrangements are with other Stockholders or with Persons that are not parties to this Agreement), including but not limited to, agreements or arrangements with
respect to the acquisition or disposition of Securities of the Corporation in a manner which is inconsistent with this Agreement. 
  

	 	
Section 33.	Mutual Waiver of Jury Trial. 

  
 BECAUSE DISPUTES ARISING IN CONNECTION WITH COMPLEX FINANCIAL TRANSACTIONS ARE MOST QUICKLY AND ECONOMICALLY RESOLVED BY AN EXPERIENCED AND EXPERT PERSON
AND THE PARTIES WISH APPLICABLE STATE AND FEDERAL LAWS TO APPLY (RATHER THAN ARBITRATION RULES), THE PARTIES DESIRE THAT THEIR DISPUTES BE RESOLVED BY A JUDGE APPLYING SUCH APPLICABLE LAWS. THEREFORE, TO ACHIEVE THE BEST COMBINATION OF THE BENEFITS
OF THE JUDICIAL SYSTEM AND OF ARBITRATION, THE PARTIES HERETO WAIVE ALL RIGHT TO TRIAL BY JURY IN ANY ACTION, SUIT OR 

  

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PROCEEDING BROUGHT TO ENFORCE OR DEFEND ANY RIGHTS OR REMEDIES UNDER THIS AGREEMENT OR ANY DOCUMENTS RELATED HERETO. 
  
 * * * * * 
  

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 IN WITNESS WHEREOF, the parties hereto have executed this Agreement on the date first written above. 

 

			
	USS HOLDINGS, INC.
		
	By:	 	 
	 	 	

	 Name:
	 	 
	 Title:
	 	 

  

			
	J. P. MORGAN PARTNERS (23A SBIC), LLC
		
	By:	 	 
	 	 	

	 Name:
	 	 
	 Title:
	 	 

  

			
	 MASSACHUSETTS MUTUAL
 LIFE
INSURANCE COMPANY

		
	By:	 	David L. Babson & Company Inc., its Investment Advisor
		
	By:	 	 
	 	 	

  

			
	MASSMUTUAL CORPORATE INVESTORS
		
	By:	 	 
	 	 	

  
 The foregoing is executed on
behalf of MassMutual Corporate Investor, organized under a Declaration of Trust, dated September 13, 1985, as amended from time to time. The obligations of such Trust are not personally binding upon, nor shall resort be had to the property of, any
of the Trustees, shareholders, officers, employees or agents of such Trust, but the Trust’s property only shall be bound. 
  

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	MASSMUTUAL PARTICIPATION INVESTORS
		
	 By:
	 	 
	 	 	

  
 The foregoing is executed on
behalf of MassMutual Participation Investors, organized under a Declaration of Trust, dated April 7, 1988, as amended from time to time. The obligations of such Trust are not binding upon, nor shall resort be had to the property of, any of the
Trustees, shareholders, officers, employees or agents of such Trust individually, but the Trust’s assets and property only shall be bound. 
  

			
	MASSMUTUAL CORPORATE VALUE PARTNERS LIMITED
		
	By:	 	David L. Babson & Company Inc. under delegated authority from Massachusetts Mutual Life Insurance Company as Investment Manager
		
	By:	 	 
	 	 	

  

			
	
	 
	

	D. George Harris

  

			
	
	 
	

	Anthony J. Petrocelli

  

			
	
	 
	

	Richard J. Donahue

  

			
	
	 
	

	Donald G. Kilpatrick

  

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	Richard J. Nick

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O ROBERT HARRIS
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O MARGARET HARRIS
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O PAIGE COLEMAN
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

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	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O KEITH COLEMAN
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED NOVEMBER 18, 1994 F/B/O AUGUSTUS NORTHRIDGE
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

			
	TRUST UNDER AGREEMENT OF D. GEORGE HARRIS DATED JANUARY 31, 1995 F/B/O P.G.F. SCURR
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee
		
	By:	 	 
	 	 	

	Donald G. Kilpatrick, Trustee

  

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	THE PETROCELLI FAMILY TRUST, D. GEORGE HARRIS & CHARLES J. CASSATA, AS TRUSTEES
		
	By:	 	 
	 	 	

	D. George Harris, Trustee
		
	By:	 	 
	 	 	

	Charles J. Cassata, Trustee

  

			
	TRUST UNDER AGREEMENT OF ANTHONY J. PETROCELLI DATED OCTOBER 29, 1990 F/B/O SERENA PETROCELLI
		
	By:	 	 
	 	 	

	Anthony J. Petrocelli, Trustee
		
	By:	 	 
	 	 	

	Charles J. Cassata, Trustee

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