Document:

EX-10.1

 Exhibit 10.1 

Execution Version 
  

TAX RECEIVABLE AGREEMENT 

by and among 
 SOLARIS
OILFIELD INFRASTRUCTURE, INC. 
 CERTAIN OTHER PERSONS NAMED HEREIN, 

YORKTOWN ENERGY PARTNERS X, L.P., AS AGENT 

and 
 SOLARIS SUB
MANAGER LLC, AS AGENT 
  
 DATED AS OF MAY 17, 2017 

 TAX RECEIVABLE AGREEMENT 

This TAX RECEIVABLE AGREEMENT (this “Agreement”), dated as of May 17, 2017, is hereby entered into by and among Solaris
Oilfield Infrastructure, Inc., a Delaware corporation (the “Corporate Taxpayer”), the TRA Holders and the Agents. 

RECITALS 
 WHEREAS, the
Corporate Taxpayer is the managing member of Solaris Oilfield Infrastructure, LLC, a Delaware limited liability company (“Solaris LLC”), an entity classified as a partnership for U.S. federal income tax purposes, and holds limited
liability company interests in Solaris LLC; 
 WHEREAS, Solaris LLC and each of its direct and indirect Subsidiaries that is treated as a
partnership for U.S. federal income tax purposes will have in effect an election under Section 754 of the Internal Revenue Code of 1986, as amended (the “Code”), for each Taxable Year in which an Exchange occurs, which election
is expected to result, with respect to the Corporate Taxpayer, in an adjustment to the Tax basis of the assets owned by Solaris LLC and such Subsidiaries; 

WHEREAS, the TRA Holders currently hold (and their permitted transferees may in the future hold) Units and may transfer all or a portion of
such Units in one or more Exchanges (as defined herein), and as a result of such Exchanges, the Corporate Taxpayer is expected to obtain or be entitled to certain Tax benefits as further described herein; 

WHEREAS, this Agreement is intended to set forth the agreements among the parties hereto regarding the sharing of the Tax benefits realized by
the Corporate Taxpayer as a result of Exchanges; 
 NOW, THEREFORE, in consideration of the foregoing and the respective covenants and
agreements set forth herein, and intending to be legally bound hereby, the parties hereto agree as follows: 
 ARTICLE I 

DEFINITIONS 

Section 1.1 Definitions. As used in this Agreement, the terms set forth in this Article I shall have the following meanings
(such meanings to be equally applicable to both the singular and plural forms of the terms defined). 
 “Accrued Amount”
has the meaning set forth in Section 3.1(b) of this Agreement. 
 “Actual Tax Liability” means, with respect to any
Taxable Year, the actual liability for U.S. federal income Taxes of (i) the Corporate Taxpayer, and (ii) without duplication, Solaris LLC, but only with respect to Taxes imposed on Solaris LLC and allocable to the Corporate Taxpayer;
provided that the actual liability for U.S. federal income Taxes of the Corporate Taxpayer shall be calculated assuming deductions of (and other impacts of) state and local income and franchise Taxes are excluded. 

  
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 “Affiliate” means, with respect to any Person, any other Person that directly or
indirectly, through one or more intermediaries, Controls, is Controlled by, or is under common Control with, such first Person. 

“Agent” means (i) with respect to Yorktown X, any of its assignees that are partners in Yorktown X, and any subsequent
assignees that are Affiliates of such partner in Yorktown X, Yorktown Agent, and (ii) with respect to all other TRA Holders, Solaris Sub Manager LLC, a Delaware limited liability company, or such other Person designated as such pursuant to
Section 7.6(c). 
 “Agreed Rate” means a per annum rate of LIBOR plus 150 basis points. 

“Agreement” has the meaning set forth in the preamble to this Agreement. 

“Amended Schedule” has the meaning set forth in Section 2.3(b) of this Agreement. 

“Assumed State and Local Tax Rate” means, with respect to any Taxable Year, (a) the sum of the products of (i) the
Corporate Taxpayer’s income and franchise tax apportionment rate(s) for each state and local jurisdiction in which Solaris LLC or the Corporate Taxpayer files an income or franchise tax return for the relevant Taxable Year and (ii) the
highest corporate income and franchise tax rate(s) for each state and local jurisdiction in which Solaris LLC or the Corporate Taxpayer files an income or franchise tax return for each relevant Taxable Year, reduced by (b) the product of
(i) the Corporate Taxpayer’s marginal U.S. federal income tax rate for the relevant Taxable Year and (ii) the rate calculated under clause (a). 

“Attributable” has the meaning set forth in Section 3.1(b) of this Agreement. 

“Basis Adjustment” means any adjustment to the Tax basis of a Reference Asset (as calculated under
Section 2.1 of this Agreement) as a result of an Exchange and the payments made pursuant to this Agreement with respect to such Exchange, including, but not limited to: (i) under Sections 734(b) and 743(b) of the Code
(in situations where, following an Exchange, Solaris LLC remains classified as a partnership for U.S. federal income tax purposes); and (ii) under Sections 732(b), 734(b) and 1012 of the Code (in situations where, as a result of one or more
Exchanges, Solaris LLC becomes an entity that is disregarded as separate from its owner for U.S. federal income tax purposes). Notwithstanding any other provision of this Agreement, the amount of any Basis Adjustment resulting from an Exchange of
Units shall be determined without regard to any Pre-Exchange Transfer of such Units, and as if such Pre-Exchange Transfer had not occurred. For the avoidance of doubt,
payments made under this Agreement shall not be treated as resulting in a Basis Adjustment to the extent such payments are treated as Imputed Interest. 

“beneficially own” and “beneficial owner” shall be as defined in Rule
13d-3 of the rules promulgated under the Exchange Act. 
 “Board” means the board
of directors of the Corporate Taxpayer. 
 “Business Day” means Monday through Friday of each week, except that a legal
holiday recognized as such by the government of the United States of America or the State of Texas shall not be regarded as a Business Day. 

  
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 “Call Right” has the meaning set forth in the Solaris LLC Agreement. 

“Change of Control” means the occurrence of any of the following events or series of related events after the IPO Date: 

 

	 	(i)	any Person (excluding any Qualifying Owner or any group of Qualifying Owners acting together which would constitute a “group” for purposes of Section 13(d) of the Exchange Act, and excluding a corporation or
other entity owned, directly or indirectly, by the stockholders of the Corporate Taxpayer in substantially the same proportions as their ownership of stock of the Corporate Taxpayer) is or becomes the Beneficial Owner, directly or indirectly, of
securities of the Corporate Taxpayer representing more than 50% of the combined voting power of the Corporate Taxpayer’s then outstanding voting securities; or 

 

	 	(ii)	there is consummated a merger or consolidation of the Corporate Taxpayer with any other corporation or other entity, and, immediately after the consummation of such merger or consolidation, the voting securities of the
Corporate Taxpayer immediately prior to such merger or consolidation do not continue to represent or are not converted into more than 50% of the combined voting power of the then-outstanding voting securities of the Person resulting from such merger
or consolidation or, if the surviving company is a Subsidiary, the ultimate parent thereof; or 

  

	 	(iii)	the stockholders of the Corporate Taxpayer approve a plan of complete liquidation or dissolution of the Corporate Taxpayer or there is consummated an agreement or series of related agreements for the sale or other
disposition, directly or indirectly, by the Corporate Taxpayer of all or substantially all of the Corporate Taxpayer’s assets, other than such sale or other disposition by the Corporate Taxpayer of all or substantially all of the Corporate
Taxpayer’s assets to an entity, at least 50% of the combined voting power of the voting securities of which are owned by stockholders of the Corporate Taxpayer in substantially the same proportions as their ownership of the Corporate Taxpayer
immediately prior to such sale. 

 Notwithstanding the foregoing, except with respect to clause (ii) above, a
“Change of Control” shall not be deemed to have occurred by virtue of the consummation of any transaction or series of integrated transactions immediately following which the record holders of the shares of the Corporate Taxpayer
immediately prior to such transaction or series of transactions continue to have substantially the same proportionate ownership in, and own substantially all of the shares of, an entity which owns, either directly or through a Subsidiary, all or
substantially all of the assets of the Corporate Taxpayer immediately following such transaction or series of transactions. 

“Class A Shares” means shares of Class A common stock of the Corporate Taxpayer. 

“Code” has the meaning set forth in the Recitals of this Agreement (or any successor U.S. federal income Tax statute). 

  
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 “Control” means the possession, direct or indirect, of the power to direct or
cause the direction of the management and policies of a Person, whether through ownership of voting securities, by contract or otherwise. 

“Corporate Taxpayer” has the meaning set forth in the preamble to this Agreement. 

“Corporate Taxpayer Return” means the U.S. federal income Tax Return of the Corporate Taxpayer (including any consolidated
group of which the Corporate Taxpayer is a member, as further described in Section 7.12(a) of this Agreement) filed with respect to Taxes of any Taxable Year. 

“Cumulative Net Realized Tax Benefit” for a Taxable Year means the cumulative amount (but not less than zero) of Realized Tax
Benefits for all Taxable Years, up to and including such Taxable Year, net of the cumulative amount of Realized Tax Detriments for the same period. The Realized Tax Benefit and Realized Tax Detriment for each Taxable Year shall be determined based
on the most recent Tax Benefit Payment Schedule or Amended Schedule, if any, in existence at the time of such determination. 

“Default Rate” means a per annum rate of LIBOR plus 550 basis points. 

“Determination” shall have the meaning ascribed to such term in Section 1313(a) of the Code or any other event (including the
execution of IRS Form 870-AD) that finally and conclusively establishes the amount of any liability for Tax. 

“Dispute” has the meaning set forth in Section 7.9(a) of this Agreement. 

“Disputing Party” has the meaning set forth in Section 7.10 of this Agreement. 

“Early Termination” has the meaning set forth in Section 4.1 of this Agreement. 

“Early Termination Date” means the date of an Early Termination Notice for purposes of determining the Early Termination
Payment. 
 “Early Termination Effective Date” has the meaning set forth in Section 4.4 of this
Agreement. 
 “Early Termination Notice” has the meaning set forth in Section 4.4 of this
Agreement. 
 “Early Termination Payment” has the meaning set forth in Section 4.5(b) of this Agreement. 

“Early Termination Rate” means a per annum rate of LIBOR plus 100 basis points. 

“Early Termination Schedule” has the meaning set forth in Section 4.4 of this Agreement. 

“Exchange” means any transfer of Units by a TRA Holder, or by a permitted transferee of such TRA Holder, pursuant to the
Solaris LLC Agreement, to Solaris LLC or to the Corporate Taxpayer in connection with the IPO or pursuant to the Redemption Right or the Call Right, as applicable. 

  
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 “Exchange Act” means the Securities Exchange Act of 1934, and the rules and
regulations promulgated thereunder, as the same may be amended from time to time (or any corresponding provisions of succeeding law). 

“Exchange Date” means each date on which an Exchange occurs. 

“Exchange Notice” has the meaning given to the term “Redemption Notice” in the Solaris LLC Agreement. 

“Exchange Schedule” has the meaning set forth in Section 2.1 of this Agreement. 

“Expert” means Ernst & Young, LLP or such nationally recognized expert in the particular area of disagreement as is
mutually acceptable to the parties. 
 “Hypothetical Tax Liability” means, with respect to any Taxable Year, the liability
for U.S. federal income Taxes of (i) the Corporate Taxpayer, and (ii) without duplication, Solaris LLC, but only with respect to Taxes imposed on Solaris LLC and allocable to the Corporate Taxpayer (using the same methods, elections,
conventions, U.S. federal income tax rate and similar practices used on the relevant Corporate Taxpayer Return), but computed without taking into account (i) any Basis Adjustments, (ii) any deduction attributable to Imputed Interest for
the Taxable Year, and (iii) any Post-IPO TRA Benefits. For the avoidance of doubt, Hypothetical Tax Liability shall be determined without taking into account the carryover or carryback of any U.S. federal
income Tax item (or portions thereof) that is attributable to any Basis Adjustments, Imputed Interest, and any Post-IPO TRA Benefits. Furthermore, the Hypothetical Tax Liability shall be calculated assuming
deductions of (and other impacts of) state and local income and franchise Taxes are excluded. 
 “Imputed Interest” means
any interest imputed under Section 1272, 1274 or 483 or other provision of the Code with respect to the Corporate Taxpayer’s payment obligations under this Agreement. 

“IPO” means the initial public offering of shares by the Corporate Taxpayer. 

“IPO Date” means the closing date of the IPO. 

“IRS” means the U.S. Internal Revenue Service. 

“LIBOR” means during any period, an interest rate per annum equal to the one-year
LIBOR rate reported, on the date two (2) calendar days prior to the first day of such period, on the Telerate Page 3750 (or if such screen shall cease to be publicly available, as reported on Reuters Screen page “LIBOR01” or by any
other publicly available source of such market rate) for London interbank offered rates for United States dollar deposits for such period. 

“Majority TRA Holders” means, at the time of any determination, TRA Holders who would be entitled to receive more than fifty
percent (50%) of the aggregate amount of the Early Termination Payments payable to all TRA Holders hereunder (determined using such calculations of Early Termination Payments reasonably estimated by the Corporate Taxpayer) if the Corporate Taxpayer
had exercised its right of early termination on such date. 

  
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 “Market Value” means the closing price of the Class A Shares on the
applicable Exchange Date on the national securities exchange or interdealer quotation system on which such Class A Shares are then traded or listed, as reported by Bloomberg L.P.; provided, that if the closing price is not reported by
Bloomberg L.P. for the applicable Exchange Date, then the Market Value means the closing price of the Class A Shares on the Business Day immediately preceding such Exchange Date on the national securities exchange or interdealer quotation
system on which such Class A Shares are then traded or listed, as reported by Bloomberg L.P.; provided further that if the Class A Shares are not then listed on a national securities exchange or interdealer quotation system,
“Market Value” means the cash consideration paid for Class A Shares, or the fair market value of the other property delivered for Class A Shares, as determined by the Board in good faith. 

“Material Objection Notice” has the meaning set forth in Section 4.4 of this Agreement. 

“Net Tax Benefit” has the meaning set forth in Section 3.1(b) of this Agreement. 

“Objection Notice” has the meaning set forth in Section 2.3(a) of this Agreement. 

“Payment Date” means any date on which a payment is required to be made pursuant to this Agreement. 

“Person” means any individual, corporation, firm, partnership, joint venture, limited liability company, estate, trust,
business association, organization, governmental entity or other entity. 
 “Pre-Exchange
Transfer” means any transfer of one or more Units (i) that occurs prior to an Exchange of such Units, and (ii) to which Section 743(b) of the Code applies. 

“Post-IPO TRA” means any tax receivable agreement (or comparable agreement) entered
into by the Corporate Taxpayer or any of its Subsidiaries pursuant to which the Corporate Taxpayer is obligated to pay over amounts with respect to tax benefits resulting from any net operating losses or other tax attributes to which the Corporate
Taxpayer becomes entitled as a result of a transaction (other than any Exchanges) after the date of this Agreement. 
 “Post-IPO TRA Benefits” means any tax benefits resulting from net operating losses or other tax attributes with respect to which the Corporate Taxpayer is obligated to make payments under a Post-IPO TRA. 
 “Qualifying Owners” means (i) William A. Zartler, or any company of
which he is the manager, managing member or he otherwise controls, including, but not limited to, Solaris Energy Capital, LLC, (ii) any wife, lineal descendant, legal guardian or other legal representative or estate of the principal member
named in clause (i) above; (iii) any trust of which at least one of the trustees is a person described in clause (i) or (ii) above, (iv) Yorktown X and any affiliated funds or investment vehicles managed by Yorktown
Partners, LLC, (v) Loadcraft Site Services, LLC, (vi) any affiliated funds or investment vehicles managed by any of the persons described in clause (v) above, and (vii) any general partner, managing member, principal or managing
director of any of the persons described in clause (iv) or (v) above. 

  
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 “Realized Tax Benefit” means, for a Taxable Year, the sum of (i) the
excess, if any, of the Hypothetical Tax Liability for such Taxable Year over the Actual Tax Liability for such Taxable Year and (ii) the State and Local Tax Benefit for such Taxable Year. If all or a portion of the Actual Tax Liability for the
Taxable Year arises as a result of an audit by the IRS of any Taxable Year, such liability and the corresponding Hypothetical Tax Liability shall not be included in determining the Realized Tax Benefit unless and until there has been a Determination
with respect to such Actual Tax Liability. 
 “Realized Tax Detriment” means, for a Taxable Year, the sum of (i) the
excess, if any, of the Actual Tax Liability over the Hypothetical Tax Liability for such Taxable Year and (ii) the State and Local Tax Detriment for such Taxable Year. If all or a portion of the Actual Tax Liability for the Taxable Year arises
as a result of an audit by the IRS of any Taxable Year, such liability and the corresponding Hypothetical Tax Liability shall not be included in determining the Realized Tax Detriment unless and until there has been a Determination with respect to
such Actual Tax Liability. 
 “Reconciliation Dispute” has the meaning set forth in Section 7.10
of this Agreement. 
 “Reconciliation Procedures” means the procedures described in Section 7.10
of this Agreement. 
 “Redemption Right” means the redemption right of holders of Units set forth in Section 4.6 of
the Solaris LLC Agreement. 
 “Reference Asset” means, with respect to any Exchange, an asset (other than cash or a cash
equivalent) that is held by Solaris LLC, or any of its direct or indirect Subsidiaries that is treated as a partnership or disregarded entity for U.S. federal income tax purposes (but only to the extent such Subsidiaries are not held through any
entity treated as a corporation for U.S. federal income tax purposes), at the time of such Exchange. A Reference Asset also includes any asset that is “substituted basis property” under Section 7701(a)(42) of the Code with respect to
a Reference Asset. 
 “Schedule” means any of the following: (i) an Exchange Schedule, (ii) a Tax Benefit Payment
Schedule, or (iii) the Early Termination Schedule. 
 “Senior Obligations” has the meaning set forth in
Section 5.1 of this Agreement. 
 “Solaris LLC” has the meaning set forth in the Recitals of this
Agreement. 
 “Solaris LLC Agreement” means the Second Amended and Restated Limited Liability Company Agreement of Solaris
LLC, as amended from time to time. 
 “State and Local Tax Benefit” means, for a Taxable Year, the excess, if any, of the
Hypothetical Tax Liability over the Actual Tax Liability; provided that, for purposes of determining the State and Local Tax Benefit, each of the Hypothetical Tax Liability and the Actual Tax Liability shall be calculated using the Assumed
State and Local Tax Rate instead of the rate applicable for U.S. federal income tax purposes. 

  
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 “State and Local Tax Detriment” means, for a Taxable Year, the excess, if any,
of the Actual Tax Liability over the Hypothetical Tax Liability; provided that, for purposes of determining the State and Local Tax Detriment, each of the Actual Tax Liability and the Hypothetical Tax Liability shall be calculated using the
Assumed State and Local Tax Rate instead of the rate applicable for U.S. federal income tax purposes. 
 “Subsidiaries”
means, with respect to any Person, as of any date of determination, any other Person as to which such Person, owns, directly or indirectly, or otherwise controls more than 50% of the voting power or other similar interests or the sole general
partner interest or managing member or similar interest of such Person. 
 “Tax Benefit Payment” has the meaning set forth
in Section 3.1(b) of this Agreement. 
 “Tax Benefit Payment Schedule” has the meaning set forth in
Section 2.2 of this Agreement. 
 “Tax Proceeding” has the meaning set forth in
Section 6.1 of this Agreement. 
 “Tax Receivable Agreements” means this Agreement and any Post-IPO TRA. 
 “Tax Return” means any return, declaration, report or similar statement
required to be filed with respect to Taxes (including any attached schedules), including, without limitation, any information return, claim for refund, amended return and declaration of estimated Tax. 

“Taxable Year” means a taxable year of the Corporate Taxpayer as defined in Section 441(b) of the Code (which, for the
avoidance of doubt, may include a period of less than twelve (12) months for which a Tax Return is made), ending on or after the IPO Date. 

“Taxes” means any and all U.S. federal, state and local taxes, assessments or similar charges that are based on or measured
with respect to net income or profits, and any interest related to such Tax. 
 “Taxing Authority” means the IRS and any
federal, national, state, county or municipal or other local government, any subdivision, agency, commission or authority thereof, or any quasi-governmental body exercising any taxing authority or any other authority exercising Tax regulatory
authority. 
 “TRA Holder” means each of those Persons set forth on Schedule A and their respective successors and
permitted assigns pursuant to Section 7.6(a). 
 “Transferor” has the meaning set forth in Section 7.12(b) of
this Agreement. 
 “Treasury Regulations” means the final, temporary and proposed regulations under the Code promulgated
from time to time (including corresponding provisions and succeeding provisions) as in effect for the relevant Taxable Year. 

“Units” has the meaning set forth in the Solaris LLC Agreement. 

  
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 “Valuation Assumptions” means, as of an Early Termination Date, the assumptions
that: 
 (i) in each Taxable Year ending on or after such Early Termination Date, the Corporate Taxpayer will have taxable
income sufficient to fully utilize the deductions arising from all Basis Adjustments and the Imputed Interest during such Taxable Year or future Taxable Years (including, for the avoidance of doubt, Basis Adjustments and Imputed Interest that would
result from future Tax Benefit Payments that would be paid in accordance with the Valuation Assumptions, further assuming such future Tax Benefit Payments would be paid on the due date, without extensions, for filing the Corporate Taxpayer Return
for the applicable Taxable Year) in which such deductions would become available; 
 (ii) any loss or credit carryovers
generated by deductions or losses arising from any Basis Adjustment or Imputed Interest (including such Basis Adjustment and Imputed Interest generated as a result of payments under this Agreement) that are available in the Taxable Year that
includes the Early Termination Date will be utilized by the Corporate Taxpayer ratably in each Taxable Year over the five Taxable Years beginning with the Taxable Year that includes the Early Termination Date; 

(iii) the U.S. federal, state and local income and franchise tax rates that will be in effect for each Taxable Year ending on
or after such Early Termination Date will be those specified for each such Taxable Year by the Code and other law as in effect on the Early Termination Date; 

(iv) any non-amortizable Reference Assets to which any Basis Adjustment is attributable
will be disposed of in a fully taxable transaction for U.S. federal income tax purposes on the fifth anniversary of the Early Termination Date for an amount sufficient to fully utilize the Basis Adjustment with respect to such non-amortizable Reference Asset; provided, that in the event of a Change in Control which includes a taxable sale of such non-amortizable Reference Asset (including the
sale of all of the equity interests in an entity classified as a partnership or disregarded entity that directly or indirectly owns such non-amortizable Reference Asset), such
non-amortizable Reference Asset shall be deemed disposed of at the time of the Change in Control; and 

(v) if, at the Early Termination Date, there are Units that have not been transferred in an Exchange, then all Units shall be
deemed to be transferred pursuant to the Redemption Right effective on the Early Termination Date. 
 “Yorktown X” means
Yorktown Energy Partners X, L.P., a Delaware limited partnership. 
 “Yorktown Agent” means with respect to Yorktown X, any
of its assignees that are partners in Yorktown X, and any subsequent assignees that are Affiliates of such partner in Yorktown X, Yorktown X or, following the dissolution of Yorktown X, any Affiliate of Yorktown Partners, LLC designated by Yorktown
X with notice to the Corporate Taxpayer. 
 Section 1.2 Other Definitional and Interpretative Provisions. The words
“hereof,” “herein” and “hereunder” and words of like import used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement. References to

  
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Articles, Sections, Exhibits and Schedules are to Articles, Sections, Exhibits and Schedules of this Agreement unless otherwise specified. All Exhibits and Schedules annexed hereto or referred to
herein are hereby incorporated in and made a part of this Agreement as if set forth in full herein. Any capitalized terms used in any Exhibit or Schedule but not otherwise defined therein, shall have the meaning as defined in this Agreement. Any
singular term in this Agreement shall be deemed to include the plural, and any plural term the singular. Whenever the words “include,” “includes” or “including” are used in this Agreement, they shall be deemed to be
followed by the words “without limitation,” whether or not they are in fact followed by those words or words of like import. “Writing,” “written” and comparable terms refer to printing, typing and other means of
reproducing words (including electronic media) in a visible form. References to any agreement or contract are to that agreement or contract as amended, modified or supplemented from time to time in accordance with the terms thereof. References to
any Person include the successors and permitted assigns of that Person. References from or through any date mean, unless otherwise specified, from and including or through and including, respectively. 

ARTICLE II 

DETERMINATION OF CERTAIN REALIZED TAX BENEFITS 

Section 2.1 Exchange Schedules. Within ninety (90) calendar days after the filing of the Corporate Taxpayer Return for each
Taxable Year in which any Exchange has been effected by a TRA Holder, the Corporate Taxpayer shall deliver to each Agent a schedule (the “Exchange Schedule”) that shows, in reasonable detail necessary to perform the calculations
required by this Agreement, including with respect to each TRA Holder participating in any Exchange during such Taxable Year, (i) the Basis Adjustments with respect to the Reference Assets as a result of the Exchanges effected by such TRA
Holder in such Taxable Year and (ii) the period (or periods) over which such Basis Adjustments are amortizable and/or depreciable. 

Section 2.2 Tax Benefit Payment Schedules. 

(a) Within ninety (90) calendar days after the filing of the Corporate Taxpayer Return for any Taxable Year in which there is a Realized
Tax Benefit or Realized Tax Detriment, the Corporate Taxpayer shall provide to each Agent: (i) a schedule showing, in reasonable detail, (A) the calculation of the Realized Tax Benefit or Realized Tax Detriment for such Taxable Year,
(B) the portion of the Net Tax Benefit, if any, that is Attributable to each TRA Holder who has participated in any Exchange, (C) the Accrued Amount with respect to any such Net Tax Benefit that is Attributable to such TRA Holder,
(D) the Tax Benefit Payment due to each such TRA Holder, and (E) the portion of such Tax Benefit Payment that the Corporate Taxpayer intends to treat as Imputed Interest (a “Tax Benefit Payment Schedule”), (ii) a
reasonably detailed calculation by the Corporate Taxpayer of the Hypothetical Tax Liability, (iii) a reasonably detailed calculation by the Corporate Taxpayer of the Actual Tax Liability, (iv) a copy of the Corporate Taxpayer Return for
such Taxable Year, and (v) any other work papers reasonably requested by any Agent. In addition, the Corporate Taxpayer shall allow each Agent reasonable access at no cost to the appropriate representatives of the Corporate Taxpayer in
connection with a review of such Tax Benefit Payment Schedule. The Tax Benefit Payment Schedule will become final as provided in Section 2.3(a) and may be amended as provided in Section 2.3(b) (subject to the procedures set forth in
Section 2.3(b)). 

  
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 (b) For purposes of calculating the Realized Tax Benefit or Realized Tax Detriment for any
Taxable Year, carryovers or carrybacks of any U.S. federal income Tax item attributable to the Basis Adjustments, Imputed Interest, and any Post-IPO TRA Benefits shall be considered to be subject to the rules
of the Code and the Treasury Regulations, as applicable, governing the use, limitation and expiration of carryovers or carrybacks of the relevant type. If a carryover or carryback of any U.S. federal income Tax item includes a portion that is
attributable to the Basis Adjustment, Imputed Interest, or any Post-IPO TRA Benefits and another portion that is not so attributable, such respective portions shall be considered to be used in accordance with
the “with and without” methodology. The parties agree that (i) any payment under this Agreement (to the extent permitted by law and other than amounts accounted for as Imputed Interest) will be treated as a subsequent upward
adjustment to the purchase price of the relevant Units and will have the effect of creating additional Basis Adjustments to Reference Assets for the Corporate Taxpayer in the year of payment, and (ii) as a result, such additional Basis
Adjustments will be incorporated into the current year calculation and into future year calculations, as appropriate. 
 Section 2.3
Procedure; Amendments. 
 (a) An applicable Schedule or amendment thereto shall become final and binding on all parties thirty
(30) calendar days from the first date on which all Agents have received the applicable Schedule or amendment thereto unless (i) any Agent, within thirty (30) calendar days after receiving an applicable Schedule or amendment thereto,
provides the Corporate Taxpayer and each other Agent with notice of a material objection to such Schedule (“Objection Notice”) made in good faith or (ii) each Agent provides a written waiver of such right of any Objection
Notice within the period described in clause (i) above, in which case such Schedule or amendment thereto becomes binding on the date waivers from all Agents have been received by the Corporate Taxpayer. If the Corporate Taxpayer and the Agents,
for any reason, are unable to successfully resolve the issues raised in an Objection Notice within thirty (30) calendar days after receipt by the Corporate Taxpayer of such Objection Notice, the Corporate Taxpayer and the Agents shall employ
the Reconciliation Procedures under Section 7.10 or Resolution of Disputes procedures under Section 7.9, as applicable. 

(b) The applicable Schedule for any Taxable Year may be amended from time to time by the Corporate Taxpayer (i) in connection with a
Determination affecting such Schedule, (ii) to correct inaccuracies in the Schedule identified as a result of the receipt of additional factual information relating to a Taxable Year after the date the Schedule was provided to the Agents,
(iii) to comply with the Expert’s determination under the Reconciliation Procedures, (iv) to reflect a change in the Realized Tax Benefit or Realized Tax Detriment for such Taxable Year attributable to a carryback or carryforward of a
loss or other Tax item to such Taxable Year, (v) to reflect a change in the Realized Tax Benefit or Realized Tax Detriment for such Taxable Year attributable to an amended Corporate Taxpayer Return filed for such Taxable Year or (vi) to
adjust an Exchange Schedule to take into account payments made pursuant to this Agreement (any such Schedule, an “Amended Schedule”). The Corporate Taxpayer shall provide an Amended Schedule to each Agent within sixty
(60) calendar days of the occurrence of an event referenced in clauses (i) through (vi) of the preceding sentence. For the avoidance of doubt, in the event a Schedule is amended after such Schedule becomes final pursuant to Section
2.3(a), the Amended Schedule shall not be taken into account in calculating any Tax Benefit Payment in the Taxable Year to which the amendment relates but instead shall be taken into account in calculating the Cumulative Net Realized Tax Benefit
for the Taxable Year in which the amendment actually occurs. 

  
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 Section 2.4 Section 754 Election. In its capacity as the sole managing member of
Solaris LLC, the Corporate Taxpayer will ensure that, on and after the date hereof and continuing throughout the term of this Agreement, Solaris LLC and any of its eligible Subsidiaries will have in effect an election pursuant to Section 754 of
the Code (and under any similar provisions of applicable U.S. state or local law). 
 ARTICLE III 

TAX BENEFIT PAYMENTS 

Section 3.1 Payments. 

(a) Within five (5) Business Days after a Tax Benefit Payment Schedule delivered to the Agents becomes final in accordance with
Section 2.3(a), the Corporate Taxpayer shall pay to each TRA Holder the Tax Benefit Payment in respect of such TRA Holder determined pursuant to Section 3.1(b) for such Taxable Year. Each such payment shall be made by check, by wire
transfer of immediately available funds to the bank account previously designated by such TRA Holder to the Corporate Taxpayer, or as otherwise agreed by the Corporate Taxpayer and such TRA Holder. For the avoidance of doubt, no Tax Benefit Payment
shall be made in respect of estimated Tax payments, including, without limitation, U.S. federal or state estimated income Tax payments. 

(b) A “Tax Benefit Payment” in respect of a TRA Holder for a Taxable Year means an amount, not less than zero, equal to the
sum of the portion of the Net Tax Benefit Attributable to such TRA Holder and the Accrued Amount with respect thereto. A Net Tax Benefit is “Attributable” to a TRA Holder to the extent that it is derived from any Basis Adjustment or
Imputed Interest that is attributable to the Units acquired or deemed acquired by the Corporate Taxpayer in an Exchange undertaken by or with respect to such TRA Holder. Subject to Section 3.3, the “Net Tax
Benefit” for a Taxable Year shall be an amount equal to the excess, if any, of 85% of the Cumulative Net Realized Tax Benefit as of the end of such Taxable Year over the sum of (i) the total amount of payments previously made under
this Section 3.1 (excluding payments attributable to Accrued Amounts) and (ii) the total amount of Tax Benefit Payments previously made under the corresponding provision of any
Post-IPO TRA; provided, for the avoidance of doubt, that no TRA Holder shall be required to return any portion of any previously made Tax Benefit Payment. The “Accrued Amount” with
respect to any portion of a Net Tax Benefit Attributable to a TRA Holder shall equal an amount determined in the same manner as interest on such portion of the Net Tax Benefit Attributable to a TRA Holder for a Taxable Year calculated at the Agreed
Rate from the due date (without extensions) for filing the Corporate Taxpayer Return for such Taxable Year until the Payment Date. For the avoidance of doubt, for Tax purposes, the Accrued Amount shall not be treated as interest but shall instead be
treated as additional consideration for the acquisition of Units in an Exchange unless otherwise required by law. 
 (c) Notwithstanding any
provision of this Agreement to the contrary, unless a TRA Holder elects for the provisions of this Section 3.1(c) not to apply to any Exchange by notifying 

  
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the Corporate Taxpayer in writing on or before the due date for providing the Exchange Notice with respect to such Exchange (or, with respect to an Exchange in connection with the IPO, on or
before the IPO Date), the aggregate Tax Benefit Payments to be made to such TRA Holder with respect to any Exchange shall be limited to (i) 50%, or such other percentage such TRA Holder elects to apply by notifying the Corporate Taxpayer in
writing on or before the due date for providing the Exchange Notice with respect to such Exchange (or, with respect to an Exchange in connection with the IPO, on or before the IPO Date), of (ii) the amount equal to the sum of (A) any cash,
excluding any Tax Benefit Payments, received by such TRA Holder in such Exchange and (B) the aggregate Market Value of the Class A Shares received by such TRA Holder in such Exchange, provided, for the avoidance of doubt, that such amount
shall not include any Imputed Interest with respect to such Exchange. 
 Section 3.2 No Duplicative Payments. It is intended
that the provisions of this Agreement will not result in duplicative payment of any amount (including interest) required under the Tax Receivable Agreements. It is also intended that the provisions of the Tax Receivable Agreements will result in 85%
of the Cumulative Net Realized Tax Benefit, and the Accrued Amount thereon, being paid to the Persons to whom payments are due pursuant to the Tax Receivable Agreements. The provisions of this Agreement shall be construed in the appropriate manner
to achieve these fundamental results. 
 Section 3.3 Pro Rata Payments; Coordination of Benefits with Other Tax Receivable
Agreements. 
 (a) Notwithstanding anything in Section 3.1 to the contrary, to the extent that the aggregate
amount of the Corporate Taxpayer’s tax benefit subject to the Tax Receivable Agreements is limited in a particular Taxable Year because the Corporate Taxpayer does not have sufficient taxable income to fully utilize available deductions and
other attributes, the limitation on the tax benefit for the Corporate Taxpayer shall be allocated as follows: (i) first among any Post-IPO TRAs (and among all Persons eligible for payments thereunder in
the manner set forth in such Post-IPO TRAs) and (ii) to the extent of any remaining limitation on tax benefit for the Corporate Taxpayer after the application of clause (i), to this Agreement (and among
all Persons eligible for payments hereunder). For the avoidance of doubt, for purposes of this Section 3.3(a), it is intended that in calculating the Corporate Taxpayer’s tax benefit subject to the Tax Receivable Agreements, any
available taxable income of the Corporate Taxpayer be first allocated to this Agreement and any remaining available taxable income will then be allocated to any Post-IPO TRA. 

(b) After taking into account Section 3.3(a), if for any reason the Corporate Taxpayer does not fully satisfy its payment obligations
to make all Tax Benefit Payments due under the Tax Receivable Agreements in respect of a particular Taxable Year, then, (i) the Corporate Taxpayer will pay the same proportion of each Tax Benefit Payment due to each Person to whom a payment is
due under each of the Tax Receivable Agreements in respect of such Taxable Year, without favoring one obligation over the other, and (ii) no Tax Benefit Payment shall be made in respect of any Taxable Year until all Tax Benefit Payments in
respect of prior Taxable Years have been made in full. 

  
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 (c) To the extent the Corporate Taxpayer makes a payment to a TRA Holder in respect of a
particular Taxable Year under Section 3.1(a) of this Agreement (taking into account Section 3.3(a) and Section 3.3(b), but excluding payments attributable to Accrued Amounts) in an amount in excess of the amount of such
payment that should have been made to such TRA Holder in respect of such Taxable Year, then (i) such TRA Holder shall not receive further payments under Section 3.1(a) until such TRA Holder has foregone an amount of payments equal to
such excess and (ii) the Corporate Taxpayer will pay the amount of such TRA Holder’s foregone payments to the other Persons to whom a payment is due under the Tax Receivable Agreements in a manner such that each such Person to whom a
payment is due under the Tax Receivable Agreements, to the maximum extent possible, receives aggregate payments under Section 3.1(a) or the comparable section of the other Tax Receivable Agreement(s), as applicable (in each case, taking into
account Section 3.3(a) and Section 3.3(b) or the comparable section of the other Tax Receivable Agreement(s), but excluding payments attributable to Accrued Amounts) in the amount it would have received if there had been no excess
payment to such TRA Holder. 
 (d) The parties hereto agree that the parties to any Post-IPO TRA are
expressly made third party beneficiaries of the provisions of this Section 3.3. 
 (e) A Post-IPO TRA shall be included in the definition of Tax Receivable Agreements for purposes of this Section 3.3 only if such Post-IPO TRA does not
provide otherwise. 
 ARTICLE IV 

TERMINATION 

Section 4.1 Early Termination at Election of the Corporate Taxpayer. The Corporate Taxpayer may terminate this
Agreement at any time by paying to each TRA Holder the Early Termination Payment due to such TRA Holder pursuant to Section 4.5(b) (such termination, an “Early Termination”); provided that the Corporate Taxpayer may
withdraw any notice of exercise of its termination rights under this Section 4.1 prior to the time at which any Early Termination Payment has been paid. Upon payment of the Early Termination Payments by the Corporate
Taxpayer, neither the TRA Holders nor the Corporate Taxpayer shall have any further payment obligations under this Agreement, other than for any Tax Benefit Payment previously due and payable but unpaid as of the Early Termination Notice and, except
to the extent included in the Early Termination Payment, any Tax Benefit Payment due for any Taxable Year ending prior to, with or including the Early Termination Date. Upon payment of all amounts provided for in this
Section 4.1, this Agreement shall terminate. 
 Section 4.2 Early Termination upon Change of
Control. In the event of a Change of Control, all obligations hereunder shall be accelerated and such obligations shall be calculated as if an Early Termination Notice had been delivered on the closing date of the Change of Control and shall
include, but not be limited to the following: (a) payment of the Early Termination Payment calculated as if an Early Termination Notice had been delivered on the effective date of a Change of Control, (b) payment of any Tax Benefit Payment
in respect of a TRA Holder agreed to by the Corporate Taxpayer and such TRA Holder as due and payable but unpaid as of the Early Termination Notice, and (c) except to the extent included in the Early Termination

  
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Payment, payment of any Tax Benefit Payment due for any Taxable Year ending prior to, with or including the effective date of a Change of Control. In the event of a Change of Control, the Early
Termination Payment shall be calculated utilizing the Valuation Assumptions and by substituting in each case the terms “the closing date of a Change of Control” for an “Early Termination Date.” 

Section 4.3 Breach of Agreement. 

(a) In the event that the Corporate Taxpayer breaches any of its material obligations under this Agreement, whether as a result of failure to
make any payment within three (3) months of the date when due, as a result of failure to honor any other material obligation required hereunder or by operation of law as a result of the rejection of this Agreement in a case commenced under the
Bankruptcy Code or otherwise, then if the Majority TRA Holders so elect, such breach shall be treated as an Early Termination. Upon such election, all obligations hereunder shall be accelerated and such obligations shall be calculated as if an Early
Termination Notice had been delivered on the date of such breach and shall include, but shall not be limited to, (i) the Early Termination Payment calculated as if an Early Termination Notice had been delivered on the date of a breach,
(ii) any Tax Benefit Payment previously due and payable but unpaid as of the date of the breach, and (iii) except to the extent included in the Early Termination Payment, any Tax Benefit Payment due for any Taxable Year ending prior to,
with or including the Early Termination Date. Notwithstanding the foregoing, in the event that the Corporate Taxpayer breaches this Agreement, if the Majority TRA Holders do not elect to treat such breach as an Early Termination pursuant to this
Section 4.3(a), the TRA Holders shall be entitled to seek specific performance of the terms hereof. 
 (b) The parties agree that the
failure of the Corporate Taxpayer to make any payment due pursuant to this Agreement within three (3) months of the date such payment is due shall be deemed to be a breach of a material obligation under this Agreement for all purposes of this
Agreement, and that it shall not be considered to be a breach of a material obligation under this Agreement to make a payment due pursuant to this Agreement within three (3) months of the date such payment is due. Notwithstanding anything in
this Agreement to the contrary, except in the case of an Early Termination Payment or any payment treated as an Early Termination Payment, it shall not be a breach of this Agreement if the Corporate Taxpayer fails to make any Tax Benefit Payment
when due to the extent that the Corporate Taxpayer has insufficient funds to make such payment; provided that the interest provisions of Section 5.2 shall apply to such late payment unless the Corporate Taxpayer does
not have sufficient cash to make such payment as a result of limitations imposed by any existing credit agreement to which Solaris LLC or any subsidiary of Solaris LLC is a party, in which case Section 5.2 shall apply, but
the Default Rate shall be replaced by the Agreed Rate; and provided further that it shall be a breach of this Agreement, and the provisions of Section 4.3(a) shall apply as of the original due date of the Tax Benefit Payment, if the
Corporate Taxpayer makes any distribution of cash or other property to its stockholders while any Tax Benefit Payment is due and payable but unpaid. 

Section 4.4 Early Termination Notice. If the Corporate Taxpayer chooses to exercise its right of early termination under
Section 4.1 above, the Corporate Taxpayer shall deliver to each Agent notice of such intention to exercise such right (the “Early Termination Notice”). Upon delivery of the Early Termination Notice or the
occurrence of an event described 

  
 16 

 
in Section 4.2 or Section 4.3(a), the Corporate Taxpayer shall deliver (i) a schedule showing in reasonable detail the calculation of the Early
Termination Payment (the “Early Termination Schedule”) and (ii) any other work papers reasonably requested by any Agent. In addition, the Corporate Taxpayer shall allow each Agent reasonable access at no cost to the appropriate
representatives of the Corporate Taxpayer in connection with a review of such Early Termination Schedule. The Early Termination Schedule shall become final and binding on all parties thirty (30) calendar days from the first date on which all
Agents have received such Schedule or amendment thereto unless (x) any Agent, within thirty (30) calendar days after receiving the Early Termination Schedule, provides the Corporate Taxpayer and each other Agent with notice of a material
objection to such Schedule made in good faith (“Material Objection Notice”) or (y) each Agent provides a written waiver of such right of a Material Objection Notice within the period described in clause (x) above, in which
case such Schedule becomes binding on the date waivers from all Agents have been received by the Corporate Taxpayer (the “Early Termination Effective Date”). If the Corporate Taxpayer and the Agents, for any reason, are unable to
successfully resolve the issues raised in such notice within thirty (30) calendar days after receipt by the Corporate Taxpayer of the Material Objection Notice, the Corporate Taxpayer and the Agents shall employ the Reconciliation Procedures
under Section 7.10 or Resolution of Disputes procedures under Section 7.9, as applicable. 

Section 4.5 Payment upon Early Termination. 

(a) Subject to its right to withdraw any notice of Early Termination pursuant to Section 4.1, within three
(3) calendar days after the Early Termination Effective Date, the Corporate Taxpayer shall pay to each TRA Holder its Early Termination Payment. Each such payment shall be made by check, by wire transfer of immediately available funds to a bank
account or accounts designated by such TRA Holder, or as otherwise agreed by the Corporate Taxpayer and such TRA Holder. 
 (b) A TRA
Holder’s “Early Termination Payment” as of the Early Termination Date shall equal the present value, discounted at the Early Termination Rate as of the Early Termination Effective Date, of all Tax Benefit Payments that would be
required to be paid by the Corporate Taxpayer to such TRA Holder beginning from the Early Termination Date and assuming that the Valuation Assumptions are applied. 

ARTICLE V 

SUBORDINATION AND LATE PAYMENTS 

Section 5.1 Subordination. Notwithstanding any other provision of this Agreement to the contrary, any Tax Benefit Payment, Early
Termination Payment or any payment pursuant to Section 4.2 resulting from a Change of Control or any payment pursuant to Section 5.2 shall rank subordinate and junior in right of payment to any
principal, interest or other amounts due and payable in respect of any obligations in respect of indebtedness for borrowed money of the Corporate Taxpayer and its Subsidiaries (such obligations, “Senior Obligations”) and shall rank
pari passu with all current or future unsecured obligations of the Corporate Taxpayer that are not Senior Obligations. For the avoidance of doubt, notwithstanding the above, the determination of whether it is a breach of this Agreement if the
Corporate Taxpayer fails to make any Tax Benefit Payment when due is governed by Section 4.3. To the extent that any payment under this 

  
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Agreement is not permitted to be made at the time payment is due as a result of this Section 5.1 and the terms of the agreements governing Senior Obligations, such
payment obligation nevertheless shall accrue for the benefit of the TRA Holders and the Corporate Taxpayer shall make such payments at the first opportunity that such payments are permitted to be made in accordance with the terms of the Senior
Obligations. 
 Section 5.2 Late Payments by the Corporate Taxpayer. The amount of all or any portion of any Tax Benefit
Payment, Early Termination Payment or any other payment under this Agreement not made to any TRA Holder when due under the terms of this Agreement, whether as a result of Section 5.1 and the terms of the Senior Obligations
or otherwise, shall be payable together with any interest thereon, computed at the Default Rate (or, if so provided in Section 4.3(b), at the Agreed Rate) and commencing from the date on which such Tax Benefit Payment, Early Termination
Payment or any other payment under this Agreement was due and payable. 
 ARTICLE VI 

NO DISPUTES; CONSISTENCY; COOPERATION 

Section 6.1 Participation in the Corporate Taxpayer’s and Solaris LLC’s Tax Matters. Except
as otherwise provided herein or in the Solaris LLC Agreement, the Corporate Taxpayer shall have full responsibility for, and sole discretion over, all Tax matters concerning the Corporate Taxpayer and Solaris LLC, including without limitation
preparing, filing or amending any Tax Return and defending, contesting or settling any issue pertaining to Taxes. Notwithstanding the foregoing, the Corporate Taxpayer (i) shall notify each Agent of, and keep each Agent reasonably informed with
respect to, the portion of any audit, examination, or any other administrative or judicial proceeding (a “Tax Proceeding”) of the Corporate Taxpayer or Solaris LLC by a Taxing Authority the outcome of which is reasonably expected to
affect the rights and obligations of the TRA Holders under this Agreement, (ii) shall provide each Agent with reasonable opportunity to provide information and other input to the Corporate Taxpayer, Solaris LLC and their respective advisors
concerning the conduct of any such portion of a Tax Proceeding, provided, however, that the Corporate Taxpayer shall not settle or otherwise resolve any part of a Tax Proceeding described in the previous clause that relates to a Basis
Adjustment or the deduction of Imputed Interest (and in each case, that is reasonably expected to have a material effect on the TRA Holders’ rights under this Agreement) without the consent of the relevant Agent, which consent shall not be
unreasonably withheld, conditioned or delayed; provided further, that the Corporate Taxpayer and Solaris LLC shall not be required to take any action, or refrain from taking any action, that is inconsistent with any provision of the Solaris
LLC Agreement. 
 Section 6.2 Consistency. Unless there is a Determination to the contrary, the Corporate Taxpayer and each of
the TRA Holders agree to report, and to cause their respective Subsidiaries to report, for all purposes, including U.S. federal, state and local Tax purposes and financial reporting purposes, all Tax-related
items (including, without limitation, the Basis Adjustments and each Tax Benefit Payment), but, for financial reporting purposes, only in respect of items that are not explicitly characterized as “deemed” or in a similar manner by the
terms of this Agreement, in a manner consistent with the description of any Tax characterization herein (including as set forth in Section 2.2(b) and Section 3.1(b) and any Schedule required to

  
 18 

 
be provided by or on behalf of the Corporate Taxpayer under this Agreement, as finally determined pursuant to Section 2.3. If the Corporate Taxpayer and any TRA Holder,
for any reason, are unable to successfully resolve any disagreement concerning such treatment within thirty (30) calendar days, the Corporate Taxpayer and such TRA Holder shall employ the Reconciliation Procedures under
Section 7.10 or Resolution of Disputes procedures under Section 7.9, as applicable. 

Section 6.3 Cooperation. Each TRA Holder shall (i) furnish to the Corporate Taxpayer in a timely manner such information,
documents and other materials as the Corporate Taxpayer may reasonably request for purposes of making any determination or computation necessary or appropriate under this Agreement, preparing any Tax Return or contesting or defending any Tax
Proceeding, (ii) make itself available to the Corporate Taxpayer and its representatives to provide explanations of documents and materials and such other information as the Corporate Taxpayer or its representatives may reasonably request in
connection with any of the matters described in clause (i) above, and (iii) reasonably cooperate in connection with any such matter. The Corporate Taxpayer shall reimburse each TRA Holder for any reasonable third-party costs and expenses
incurred pursuant to this Section 6.3. 
 ARTICLE VII 

MISCELLANEOUS  

Section 7.1 Notices. All notices, requests, claims, demands and other communications hereunder shall be in writing and shall be
deemed duly given and received (i) on the date of delivery if delivered personally, or by facsimile upon confirmation of transmission by the sender’s fax machine if sent on a Business Day (or otherwise on the next Business Day) or
(ii) on the first Business Day following the date of dispatch if delivered by a recognized next-day courier service. All notices hereunder shall be delivered as set forth below, or pursuant to such other
instructions as may be designated in writing by the party to receive such notice: 

  
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 If to the Corporate Taxpayer, to: 

Solaris Oilfield Infrastructure, Inc. 
 9811 Katy Freeway, Suite
900 
 Houston, TX 77024 
 Facsimile: (713) 574-2960 
 Attention: Kyle S. Ramachandran 

with a copy (which shall not constitute notice to the Corporate Taxpayer) to: 

Vinson & Elkins L.L.P. 
 1001 Fannin, Suite 2500 

Houston, TX 77002 
 Facsimile: (713) 615-5725 
 Attention: Douglas E. McWilliams 

Vinson & Elkins L.L.P. 
 1001 Fannin, Suite 2500 

Houston, TX 77002 
 Facsimile: (713) 615-5862 
 Attention: Julian J. Seiguer 

If to Yorktown Agent, to: 
 Yorktown Energy Partners X, L.P.

 410 Park Avenue, 19th Floor 

New York, NY 10022 
 Attention: Bryan H. Lawrence 

with a copy (which shall not constitute notice to the Agent for Yorktown X and its assignees) to: 

Thompson & Knight LLP 
 One Arts Plaza 

1722 Routh Avenue, 15th Floor 

Dallas, Texas 75201 
 Facsimile: (214) 969-1750 
 Attention: Ann Marie Cowdrey 

If to the Agent other than Yorktown Agent, to: 
 Solaris Sub
Manager LLC 
 9811 Katy Freeway, Suite 900 
 Houston, TX 77024

 Facsimile: (713) 574-2960 

Attention: William A. Zartler 

  
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 If to a TRA Holder, other than an Agent, that is or was a partner in Solaris LLC, to: 

The address set forth in the records of Solaris LLC. 

Any party may change its address or fax number by giving the other party written notice of its new address or fax number in the manner set forth above. 

Section 7.2 Counterparts. This Agreement may be executed in one or more counterparts, all of which shall be considered one and the
same agreement and shall become effective when one or more counterparts have been signed by each of the parties and delivered to the other parties, it being understood that all parties need not sign the same counterpart. Delivery of an executed
signature page to this Agreement by facsimile transmission shall be as effective as delivery of a manually signed counterpart of this Agreement. 

Section 7.3 Entire Agreement; No Third Party Beneficiaries. This Agreement constitutes the entire agreement and supersedes all
prior agreements and understandings, both written and oral, among the parties with respect to the subject matter hereof. This Agreement shall be binding upon and inure solely to the benefit of each party hereto and their respective successors and
permitted assigns, and nothing in this Agreement, express or implied, is intended to or shall confer upon any other Person any right, benefit or remedy of any nature whatsoever under or by reason of this Agreement, except as expressly provided in
Section 3.3. 
 Section 7.4 Governing Law. This Agreement and the rights and obligations of the
parties hereunder shall be governed by, and construed in accordance with, the law of the State of Delaware, without regard to the conflicts of laws principles thereof that would mandate the application of the laws of another jurisdiction. 

Section 7.5 Severability. If any term or other provision of this Agreement is invalid, illegal or incapable of being enforced by
any law or public policy, all other terms and provisions of this Agreement shall nevertheless remain in full force and effect so long as the economic or legal substance of the transactions contemplated hereby is not affected in any manner materially
adverse to any party. Upon such determination that any term or other provision is invalid, illegal or incapable of being enforced, the parties hereto shall negotiate in good faith to modify this Agreement so as to effect the original intent of the
parties as closely as possible in an acceptable manner in order that the transactions contemplated hereby are consummated as originally contemplated to the greatest extent possible. 

Section 7.6 Successors; Assignment. 

(a) No TRA Holder may assign this Agreement to any Person without the prior written consent of the Corporate Taxpayer; provided,
however, that: 
 (i) to the extent Units are transferred in accordance with the terms of the Solaris LLC Agreement, the transferring TRA
Holder shall have the option to assign to the transferee of such Units the transferring TRA Holder’s rights under this Agreement with respect to such transferred Units as long as (A) such transferee has executed and delivered, or, in
connection with such transfer, executes and delivers, a joinder to this Agreement, in form and substance reasonably satisfactory to the Corporate Taxpayer, agreeing to become a “TRA Holder” for all purposes of this Agreement, and
(B) the assigning party represents to the Corporate Taxpayer that such assignment will be made in accordance with all applicable securities laws, and 

  
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 (ii) the right to receive any and all payments payable or that may become payable to a TRA Holder
pursuant to this Agreement that, once an Exchange has occurred, arise with respect to the Units transferred in such Exchange, may be assigned to any Person or Persons as long as (A) any such Person has executed and delivered, or, in connection
with such assignment, executes and delivers, a joinder to this Agreement, in form and substance reasonably satisfactory to the Corporate Taxpayer, agreeing to be bound by Section 7.13 and acknowledging specifically the
terms of Section 7.6(b), and (B) the assigning party represents to the Corporate Taxpayer that such assignment will be made in accordance with all applicable securities laws. 

For the avoidance of doubt, if a TRA Holder transfers Units but does not assign to the transferee of such Units the rights of such TRA Holder
under this Agreement with respect to such transferred Units, such TRA Holder shall continue to be entitled to receive the Tax Benefit Payments, if any, due hereunder with respect to, including any Tax Benefit Payments arising in respect of a
subsequent Exchange of, such Units. Notwithstanding the foregoing provisions of this Section 7.6(a), Yorktown X may assign its rights under this Agreement (other than its rights as Yorktown Agent, which assignment shall be governed by the
definition of Yorktown Agent) to the Persons that are partners in Yorktown X, and each such Person may further assign such rights under this Agreement to any of such Person’s Affiliates, without the prior written consent of the Corporate
Taxpayer, provided that (x) in either case (A) if such transferee is neither a partner in Yorktown X as of the date of this Agreement nor an Affiliate of a partner in Yorktown X as of the date of this Agreement, each such
assignment is made in connection with the transfer to such transferee of Class A Shares, and (B) such transferee executes and delivers a joinder to this Agreement, in form and substance reasonably satisfactory to the Corporate Taxpayer,
agreeing to become a “TRA Holder” for all purposes of this Agreement, and (y) (A) in the case of an assignment by Yorktown X, Yorktown X represents to the Corporate Taxpayer that such assignment will be made in accordance with all
applicable securities laws or (B) in the case of an assignment following an assignment by Yorktown X, the assigning party represents to the Corporate Taxpayer that such assignment will be made in accordance with all applicable securities laws.

 (b) Notwithstanding the foregoing provisions of this Section 7.6, no assignee described in Section
7.6(a)(ii) shall have any rights under this Agreement except for the right to enforce its right to receive payments under this Agreement. 

(c) The Person designated as the Agent other than the Yorktown Agent may not be changed without the prior written consent of the Corporate
Taxpayer and the Majority TRA Holders (for this purpose, calculated by excluding Yorktown X, any Affiliates of Yorktown X, and each of their assignees). 

(d) Except as otherwise specifically provided herein, all of the terms and provisions of this Agreement shall be binding upon, shall inure to
the benefit of and shall be enforceable by the parties hereto and their respective successors, assigns, heirs, executors, administrators and legal representatives. The Corporate Taxpayer shall cause any direct or indirect successor (whether by
purchase, merger, consolidation or otherwise) to all or substantially all of the 

  
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business or assets of the Corporate Taxpayer, by written agreement, expressly to assume and agree to perform this Agreement in the same manner and to the same extent that the Corporate Taxpayer
would be required to perform if no such succession had taken place. 
 Section 7.7 Amendments; Waivers. No provision of this
Agreement may be amended unless such amendment is approved in writing by each of the Corporate Taxpayer and the Majority TRA Holders; provided, however, that no such amendment shall be effective if such amendment would have a
disproportionate effect on the payments certain TRA Holders will or may receive under this Agreement unless all such disproportionately affected TRA Holders consent in writing to such amendment. 

Section 7.8 Titles and Subtitles. The titles of the sections and subsections of this Agreement are for convenience of reference
only and are not to be considered in construing this Agreement. 
 Section 7.9 Resolution of Disputes. 

(a) Any and all disputes which are not governed by Section 7.10, including any ancillary claims of any party,
arising out of, relating to or in connection with the validity, negotiation, execution, interpretation, performance or non-performance of this Agreement (including the validity, scope and enforceability of
this Section 7.9 and Section 7.10) (each a “Dispute”) shall be governed by this Section 7.9. The parties hereto shall attempt in good faith to resolve all
Disputes by negotiation. If a Dispute between the parties hereto cannot be resolved in such manner, such Dispute shall be finally settled by arbitration conducted by a single arbitrator in accordance with the then-existing rules of arbitration of
the American Arbitration Association. If the parties to the Dispute fail to agree on the selection of an arbitrator within ten (10) calendar days of the receipt of the request for arbitration, the American Arbitration Association shall make the
appointment. The arbitrator shall be a lawyer admitted to the practice of law in a U.S. state, or a nationally recognized expert in the relevant subject matter, and shall conduct the proceedings in the English language. Performance under this
Agreement shall continue if reasonably possible during any arbitration proceedings. In addition to monetary damages, the arbitrator shall be empowered to award equitable relief, including an injunction and specific performance of any obligation
under this Agreement. The arbitrator is not empowered to award damages in excess of compensatory damages, and each party hereby irrevocably waives any right to recover punitive, exemplary or similar damages with respect to any Dispute. The award
shall be the sole and exclusive remedy between the parties regarding any claims, counterclaims, issues, or accounting presented to the arbitral tribunal. Judgment upon any award may be entered and enforced in any court having jurisdiction over a
party or any of its assets. 
 (b) Notwithstanding the provisions of Section 7.9(a), the Corporate Taxpayer may bring an action or
special proceeding in any court of competent jurisdiction for the purpose of compelling a party to arbitrate, seeking temporary or preliminary relief in aid of an arbitration hereunder, and/or enforcing an arbitration award and, for the purposes of
this Section 7.9(b), each Agent and each TRA Holder (i) expressly consents to the application of Section 7.9(c) to any such action or proceeding, (ii) agrees that proof shall not be required that monetary damages for breach
of the provisions of this Agreement would be difficult to calculate and that remedies at law would be inadequate, and (iii) irrevocably appoints the Corporate Taxpayer as agent of 

  
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such party for service of process in connection with any such action or proceeding and agrees that service of process upon such agent, who shall promptly advise such party in writing of any such
service of process, shall be deemed in every respect effective service of process upon such party in any such action or proceeding. 
 (c)
EACH PARTY HEREBY IRREVOCABLY SUBMITS TO THE JURISDICTION OF ANY FEDERAL COURT OF THE DISTRICT OF DELAWARE OR THE DELAWARE COURT OF CHANCERY FOR THE PURPOSE OF ANY JUDICIAL PROCEEDING BROUGHT IN ACCORDANCE WITH THE PROVISIONS OF PARAGRAPH
(B) OF THIS SECTION 7.9 OR ANY JUDICIAL PROCEEDING ANCILLARY TO AN ARBITRATION OR CONTEMPLATED ARBITRATION ARISING OUT OF OR RELATING TO OR CONCERNING THIS AGREEMENT. Such ancillary judicial proceedings include any
suit, action or proceeding to compel arbitration, to obtain temporary or preliminary judicial relief in aid of arbitration, or to confirm an arbitration award. The parties acknowledge that the fora designated by this Section 7.9(c) have a
reasonable relation to this Agreement, and to the parties’ relationship with one another. 
 (d) The parties hereby waive, to the
fullest extent permitted by applicable law, any objection which they now or hereafter may have to personal jurisdiction or to the laying of venue of any such ancillary suit, action or proceeding brought in any court referred to in Section
7.9(c) and such parties agree not to plead or claim the same. 
 Section 7.10 Reconciliation. In the event that any Agent or
any TRA Holder (as applicable, the “Disputing Party”) and the Corporate Taxpayer are unable to resolve a disagreement with respect to the calculations required to produce the schedules described in
Section 2.3, Section 4.4 and Section 6.2 (but not, for the avoidance doubt, with respect to any legal interpretation with respect to such provisions or schedules) within
the relevant period designated in this Agreement (“Reconciliation Dispute”), the Reconciliation Dispute shall be submitted for determination to the Expert. The Expert shall be a partner or principal in a nationally recognized
accounting or law firm, and unless the Corporate Taxpayer and the Disputing Party agree otherwise, the Expert shall not, and the firm that employs the Expert shall not, have any material relationship with the Corporate Taxpayer or the Disputing
Party or other actual or potential conflict of interest. If the parties are unable to agree on an Expert within fifteen (15) calendar days of receipt by the respondent(s) of written notice of a Reconciliation Dispute, the Expert shall be
appointed by the American Arbitration Association. The Expert shall resolve (a) any matter relating to the Exchange Schedule or an amendment thereto or the Early Termination Schedule or an amendment thereto within thirty (30) calendar
days, (b) any matter relating to a Tax Benefit Payment Schedule or an amendment thereto within fifteen (15) calendar days , and (c) any matter related to treatment of any tax-related item as
contemplated in Section 6.2 within fifteen (15) calendar days, or, in each case, as soon thereafter as is reasonably practicable after such matter has been submitted to the Expert for resolution. Notwithstanding the
preceding sentence, if the matter is not resolved before any payment that is the subject of a disagreement would be due (in the absence of such disagreement) or any Tax Return reflecting the subject of a disagreement is due, any portion of such
payment that is not under dispute shall be paid on the date prescribed by this Agreement and such Tax Return may be filed as prepared by the Corporate Taxpayer, subject to adjustment or amendment upon resolution. The costs and expenses relating to
the engagement of such Expert or amending any 

  
 24 

 
Tax Return shall be borne by the Corporate Taxpayer except as provided in the next sentence. The Corporate Taxpayer and the Disputing Party shall each bear its own costs and expenses of such
proceeding, unless (i) the Expert adopts such Disputing Party’s position, in which case the Corporate Taxpayer shall reimburse such Disputing Party for any reasonable
out-of-pocket costs and expenses in such proceeding, or (ii) the Expert adopts the Corporate Taxpayer’s position, in which case such Disputing Party shall
reimburse the Corporate Taxpayer for any reasonable out-of-pocket costs and expenses in such proceeding. Any dispute as to whether a dispute is a Reconciliation Dispute
within the meaning of this Section 7.10 shall be decided by the Expert. The Expert shall finally determine any Reconciliation Dispute and the determinations of the Expert pursuant to this
Section 7.10 shall be binding on the Corporate Taxpayer and its Subsidiaries and the Disputing Party and may be entered and enforced in any court having jurisdiction. 

Section 7.11 Withholding. The Corporate Taxpayer shall be entitled to deduct and withhold from any payment payable pursuant to
this Agreement such amounts as the Corporate Taxpayer is required to deduct and withhold with respect to the making of such payment under the Code or any provision of U.S. federal, state, local or non-U.S. tax
law; provided, that, the Corporate Taxpayer shall use commercially reasonable efforts to notify any applicable TRA Holder of its intent to withhold at least ten (10) Business Days prior to withholding such amounts. To the extent that
amounts are so withheld and paid over to the appropriate Taxing Authority by the Corporate Taxpayer, such withheld amounts shall be treated for all purposes of this Agreement as having been paid to the relevant TRA Holder. The Corporate Taxpayer
shall provide evidence of such payment to the relevant TRA Holder upon such TRA Holder’s written request, to the extent that such evidence is available. 

Section 7.12 Admission of the Corporate Taxpayer into a Consolidated Group; Transfers of Corporate Assets. 

(a) If the Corporate Taxpayer is or becomes a member of a combined, consolidated, affiliated or unitary group that files a consolidated,
combined or unitary income Tax Return pursuant to Sections 1501 et seq. of the Code or any corresponding provisions of U.S. state or local Tax law, then: (i) the provisions of this Agreement shall be applied with respect to the relevant
group as a whole; and (ii) Tax Benefit Payments, Early Termination Payments and other applicable items hereunder shall be computed with reference to the consolidated (or combined or unitary, where applicable) taxable income, gain, loss,
deduction and attributes of the relevant group as a whole. 
 (b) If the Corporate Taxpayer (or any other entity that is obligated to make a
Tax Benefit Payment or Early Termination Payment hereunder), Solaris LLC or any of Solaris LLC’s direct or indirect Subsidiaries that is treated as a partnership or disregarded entity for U.S. federal income tax purposes (but only to the extent
such Subsidiaries are not held through any entity treated as a corporation for U.S. federal income tax purposes) (a “Transferor”) transfers one or more Reference Assets to a corporation (or a Person classified as a corporation for
U.S. federal income tax purposes) with which the Transferor does not file a consolidated Tax Return pursuant to Section 1501 of the Code, the Transferor, for purposes of calculating the amount of any Tax Benefit Payment or Early Termination
Payment (e.g., calculating the gross income of the entity and determining the Realized Tax Benefit of such entity) due hereunder, shall be treated as 

  
 25 

 
having disposed of such Reference Assets in a fully taxable transaction on the date of such contribution. The consideration deemed to be received by the Transferor shall be equal to the fair
market value of the transferred Reference Assets, plus, without duplication, (i) the amount of debt to which any such Reference Asset is subject, in the case of a transfer of an encumbered Reference Asset or (ii) the amount of debt
allocated to any such Reference Asset, in the case of a contribution of a partnership interest. For purposes of this Section 7.12(b), a transfer of a partnership interest shall be treated as a transfer of the Transferor’s share of each
of the assets and liabilities of that partnership. 
 Section 7.13 Confidentiality. 

(a) Each Agent and each of its assignees and each TRA Holder and each of such TRA Holder’s assignees acknowledges and agrees that the
information of the Corporate Taxpayer is confidential and, except in the course of performing any duties as necessary for the Corporate Taxpayer and its Affiliates, as required by law or legal process or to enforce the terms of this Agreement, such
Person shall keep and retain in the strictest confidence and not disclose to any Person any confidential matters, acquired pursuant to this Agreement, of the Corporate Taxpayer and its Affiliates and successors, concerning Solaris LLC and its
Affiliates and successors or the TRA Holders, learned by any Agent or any TRA Holder heretofore or hereafter. This Section 7.13 shall not apply to (i) any information that has been made publicly available by the Corporate Taxpayer
or any of its Affiliates, becomes public knowledge (except as a result of an act of an Agent or a TRA Holder in violation of this Agreement) or is generally known to the business community and (ii) the disclosure of information (A) as may
be proper in the course of performing such TRA Holder’s obligations, or monitoring or enforcing such TRA Holder’s rights, under this Agreement, (B) as part of such TRA Holder’s normal reporting, rating or review procedure
(including normal credit rating and pricing process), or in connection with such TRA Holder’s or such TRA Holder’s Affiliates’ normal fund raising, marketing, informational or reporting activities, or to such TRA Holder’s (or any
of its Affiliates’) Affiliates, auditors, accountants, attorneys or other agents, (C) to any bona fide prospective assignee of such TRA Holder’s rights under this Agreement, or prospective merger or other business combination partner
of such TRA Holder, provided that such assignee or merger partner agrees to be bound by the provisions of this Section 7.13, (D) as is required to be disclosed by order of a court of competent jurisdiction,
administrative body or governmental body, or by subpoena, summons or legal process, or by law, rule or regulation; provided that any TRA Holder required to make any such disclosure to the extent legally permissible shall provide the Corporate
Taxpayer prompt notice of such disclosure, or to regulatory authorities or similar examiners conducting regulatory reviews or examinations (without any such notice to the Corporate Taxpayer), or (E) to the extent necessary for a TRA Holder to
prepare and file its Tax Returns, to respond to any inquiries regarding such Tax Returns from any Taxing Authority or to prosecute or defend any Tax Proceeding with respect to such Tax Returns. Notwithstanding anything to the contrary herein, each
Agent (and each employee, representative or other agent of such Agent or its assignees, as applicable) and each TRA Holder and each of its assignees (and each employee, representative or other agent of such TRA Holder or its assignees, as
applicable) may disclose to any and all Persons, without limitation of any kind, the Tax treatment and Tax structure of the Corporate Taxpayer, Solaris LLC, the Agents, the TRA Holders and their Affiliates, and any of their transactions, and all
materials of any kind (including opinions or other Tax analyses) that are provided to the Agents or any TRA Holder relating to such Tax treatment and Tax structure. 

  
 26 

 (b) If an Agent or an assignee or a TRA Holder or an assignee commits a breach, or threatens to
commit a breach, of any of the provisions of this Section 7.13, the Corporate Taxpayer shall have the right and remedy to have the provisions of this Section 7.13 specifically enforced by
injunctive relief or otherwise by any court of competent jurisdiction without the need to post any bond or other security, it being acknowledged and agreed that any such breach or threatened breach shall cause irreparable injury to the Corporate
Taxpayer or any of its Subsidiaries or the TRA Holders and that money damages alone shall not provide an adequate remedy to such Persons. Such rights and remedies shall be in addition to, and not in lieu of, any other rights and remedies available
at law or in equity. 
 Section 7.14 No More Favorable Terms. None of the Corporate Taxpayer nor any of its Subsidiaries shall
enter into any additional agreement providing rights similar to this Agreement to any Person (including any agreement pursuant to which the Corporate Taxpayer is obligated to pay amounts with respect to tax benefits resulting from any net operating
losses or other tax attributes to which the Corporate Taxpayer becomes entitled as a result of a transaction) if such agreement provides terms that are more favorable to the counterparty under such agreement than those provided to the TRA Holders
under this Agreement; provided, however, that the Corporate Taxpayer (or any of its Subsidiaries) may enter into such an agreement if this Agreement is amended to make such more favorable terms available to the TRA Holders. 

Section 7.15 Change in Law. Notwithstanding anything herein to the contrary, if, in connection with an actual or proposed change
in law, a TRA Holder reasonably believes that the existence of this Agreement could cause income (other than income arising from receipt of a payment under this Agreement) recognized by such TRA Holder upon any Exchange to be treated as ordinary
income rather than capital gain (or otherwise taxed at ordinary income rates) for U.S. federal income tax purposes or would have other material adverse tax consequences to such TRA Holder and/or its direct or indirect owners, then at the election of
such TRA Holder and to the extent specified by such TRA Holder, this Agreement (i) shall cease to have further effect, (ii) shall not apply to an Exchange by such TRA Holder occurring after a date specified by it, or (iii) shall
otherwise be amended in a manner determined by such TRA Holder to waive any benefits to which such TRA Holder would otherwise be entitled under this Agreement, provided that such amendment shall not result in an increase in or acceleration of
payments under this Agreement at any time as compared to the amounts and times of payments that would have been due in the absence of such amendment. 

Section 7.16 Independent Nature of TRA Holders’ Rights and Obligations. The rights and obligations of each TRA Holder
are independent of the rights and obligations of any other TRA Holder. No TRA Holder shall be responsible in any way for the performance of the obligations of any other TRA Holder, nor shall any TRA Holder have the right to enforce the rights or
obligations of any other TRA Holder. The obligations of each TRA Holder are solely for the benefit of, and shall be enforceable solely by, the Corporate Taxpayer. The decision of each TRA Holder to enter into this Agreement has been made by such TRA
Holder independently of any other TRA Holder. Nothing contained herein or in any other agreement or document delivered at any closing (other than the Solaris LLC Agreement), and no action taken by any TRA Holder pursuant hereto or thereto, shall be
deemed to constitute the TRA Holders as a partnership, an association, a joint venture or any other kind of entity, or create a presumption that the TRA Holders are in any way acting in concert or as a group with respect to such rights or

  
 27 

 
obligations or the transactions contemplated hereby, and the Corporate Taxpayer acknowledges that the TRA Holders are not acting in concert or as a group and will not assert any such claim with
respect to such rights or obligations or the transactions contemplated hereby. 
 [Signature Page Follows] 

  
 28 

 IN WITNESS WHEREOF, the Corporate Taxpayer, the Agents, and the TRA Holders have duly executed this Agreement as
of the date first written above. 
  

			
	CORPORATE TAXPAYER:
	
	SOLARIS OILFIELD INFRASTRUCTURE, INC.
		
	By:	 	 /s/ Kyle S. Ramachandran

		 	Name: Kyle S. Ramachandran
		 	Title: Chief Financial Officer
	
	AGENTS:
	
	YORKTOWN ENERGY PARTNERS X, L.P.
		
	By:	 	Yorktown X Company LP, its general partner
		
	By:	 	Yorktown X Associates LLC, its general partner
		
	By:	 	 /s/ W. Howard Keenan, Jr.

		 	Name: W. Howard Keenan, Jr.
		 	Title: Member
	
	SOLARIS SUB MANAGER LLC
		
	By:	 	 /s/ William A. Zartler

		 	Name: William A. Zartler
		 	Title: Member

 [The signatures of the TRA Holders are attached in Schedule A.] 

  
 29 

 SCHEDULE A 

TRA HOLDERS 

  
 Schedule A-1 

 
			
	HOLDERS:
	
	YORKTOWN ENERGY PARTNERS X, L.P.
	By:	 	Yorktown X Company LP, its general partner
	By:	 	Yorktown X Associates LLC, its general partner
		
	By:	 	 /s/ W. Howard Keenan, Jr.

	Name:	 	W. Howard Keenan, Jr.
	Title:	 	Member
	
	MURCHISON CAPITAL PARTNERS, L.P.
		
	By:	 	Murchison Management Corp., G.P.
		
	By:	 	 /s/ Robert F. Murchison

	Name:	 	Robert F. Murchison
	Title:	 	President
	
	TECOVAS PARTNERS X., L.P.
		
	By:	 	 /s/ Charles Marsh

	Name:	 	Charles Marsh
	Title:	 	President, Marsh Operating Co., G.P. of Tecovas X, L.P.
	
	TINER FAMILY PARTNERSHIP
		
	By:	 	 /s/ Michael L. Tiner

	Name:	 	Michael L. Tiner
	Title:	 	General Partner
	
	LOADCRAFT SITE SERVICES, LLC
		
	By:	 	 /s/ William A. Zartler

	Name:	 	William A. Zartler
	Title:	 	Authorized Signatory

  
 Schedule A-2 

 
			
	SOLARIS ENERGY CAPITAL, LLC
		
	By:	 	 /s/ William A. Zartler

	Name:	 	William A. Zartler
	Title:	 	Manager
	
	WELLS FARGO CENTRAL PACIFIC HOLDINGS, INC.
		
	By:	 	 /s/ Gary Milavec

	Name:	 	Gary Milavec
	Title:	 	Vice President
	
	FREEBIRD PARTNERS LP
		
	By:	 	 /s/ Curtis W. Huff

	Name:	 	Curtis W. Huff
	Title:	 	Chairman
		
	By:	 	 William A. Zartler

	Name:	 	William A. Zartler
		
	By:	 	  

	Name:	 	Mike Flinn
	
	EQUITY TRUST COMPANY, CUSTODIAN FBO KYLE RAMACHANDRAN IRA
		
	By:	 	 /s/ Kyle S. Ramachandran

	Name:	 	Kyle S. Ramachandran

  
 Schedule A-3 

 
			
	COWTOWN CONSULTING
		
	By:	 	 /s/ Dennis E. Ward

	Name:	 	Dennis E. Ward
	Title:	 	Managing Director
	
	CHARLOTTE MUNN WARD ROTH C. IRA
		
	By:	 	 /s/ Charlotte Munn Ward

	Name:	 	Charlotte Munn Ward
		
	By:	 	 /s/ Gregory Garcia

	Name:	 	Gregory Garcia
		
	By:	 	 /s/ Brian Dobbs

	Name:	 	Brian Dobbs
		
	By:	 	 /s/ Jonathan Scheiner

	Name:	 	Jonathan Scheiner
		
	By:	 	 /s/ Edwin Lau

	Name:	 	Edwin Lau
		
	By:	 	 /s/ Cynthia Durrett

	Name:	 	Cynthia Durrett

  
 Schedule A-4 

 
			
	By:	 	 /s/ Kyle Carrick

	Name:	 	Kyle Carrick
		
	By:	 	 /s/ Chris Work

	Name:	 	Chris Work
		
	By:	 	 /s/ Ronald Coleman

	Name:	 	Ronald Coleman
		
	By:	 	 /s/ Timur Kuru

	Name:	 	Timur Kuru
		
	By:	 	 /s/ Julian Burke

	Name:	 	Julian Burke
		
	By:	 	 /s/ Kyle Ramachandran

	Name:	 	Kyle Ramachandran

  
 Schedule A-5EX-10.2

 Exhibit 10.2 

Execution Version 

FIRST AMENDMENT TO CREDIT AGREEMENT 

THIS FIRST AMENDMENT TO CREDIT AGREEMENT (this “Amendment”) is made and entered into as of May 17, 2017 by and among
SOLARIS OILFIELD INFRASTRUCTURE, LLC, a Delaware limited liability company (the “Borrower”); each of the Lenders which is a party to the Credit Agreement (as defined below) (individually, a “Lender” and,
collectively, the “Lenders”), and WOODFOREST NATIONAL BANK, acting as administrative agent for the Lenders (in such capacity, together with its successors in such capacity, the “Administrative Agent”). 

RECITALS 
 A. The
Borrower, the Lenders and the Administrative Agent executed and delivered that certain Credit Agreement dated as of December 1, 2016. Said Credit Agreement, as amended, supplemented and restated, is herein called the “Credit
Agreement”. Any capitalized term used in this Amendment and not otherwise defined shall have the meaning ascribed to it in the Credit Agreement. 

B. The Borrower, the Lenders and the Administrative Agent desire to amend the Credit Agreement in certain respects. 

NOW, THEREFORE, in consideration of the premises and the mutual agreements, representations and warranties herein set forth, and further good
and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Borrower, the Lenders and the Administrative Agent do hereby agree as follows: 

SECTION 1. Amendment to Credit Agreement. 

(a) The definition of “Advance Loan Commitment” set forth in Section 1.01 of the Credit Agreement is
hereby amended to read in its entirety as follows: 
 “Advance Loan Commitment” means, with respect to each
Lender, the commitment, if any, of such Lender to make Advance Loans hereunder, expressed as an amount representing the maximum principal amount of the Advance Loans to be made by such Lender hereunder, as such commitment may be (a) reduced
from time to time pursuant to Section 2.07 and (b) reduced or increased from time to time pursuant to assignments by or to such Lender pursuant to Section 9.04. The amount of each
Lender’s Advance Loan Commitment as of May 17, 2017 is set forth on Schedule 2.01A. The aggregate amount of the Lenders’ Advance Loan Commitments as of May 17, 2017 is $0. 

(b) The definition of “Advance Loan Maturity Date” set forth in Section 1.01 of the Credit
Agreement is hereby amended to read in its entirety as follows: 
 “Advance Loan Maturity Date” means May
17, 2021. 

  

 (c) The definition of “Applicable Rate” set forth in
Section 1.01 of the Credit Agreement is hereby amended to read in its entirety as follows: 

“Applicable Rate” means, for any day with respect to any Loan or with respect to the commitment fees payable
hereunder, as the case may be, the applicable rate per annum set forth below under the caption “Spread” or “Commitment Fee Rate”, as the case may be, based upon the Leverage Ratio as of the most recent determination date; but
during the period beginning with             , 2017 and ending June 30, 2017, Category 4 shall be applicable: 
  

									
	 Leverage Ratio
	 	Spread	 	 	Commitment
Fee Rate	 
	 Category 1: greater than or equal to 2.50 to 1.00
	 	 	4.00	% 	 	 	0.50	% 
			
	 Category 2: less than 2.50 to 1.00 but greater than or equal to 2.00 to 1.00
	 	 	3.50	% 	 	 	0.375	% 
			
	 Category 3: less than 2.00 to 1.00 but greater than or equal to 1.25 to 1.00
	 	 	3.25	% 	 	 	0.25	% 
			
	 Category 4: less than 1.25 to 1.00
	 	 	3.00	% 	 	 	0.1875	% 

 For purposes of the foregoing, (i) the Leverage Ratio shall be determined as of the end
of each fiscal quarter of the Borrower’s fiscal year based upon the Borrower’s consolidated financial statements delivered pursuant to Sections 5.01(a) or (b) and (ii) each change in the Applicable Rate resulting from a
change in the Leverage Ratio shall be effective during the period commencing on and including the date of delivery to the Administrative Agent of such consolidated financial statements indicating such change and ending on the date immediately
preceding the effective date of the next such change; but the Leverage Ratio shall be deemed to be in Category 1 at any time that an Event of Default has occurred which is continuing or at the request of the Required Lenders if the Borrower fails to
timely deliver the consolidated financial statements required to be delivered by it pursuant to Sections 5.01(a) or (b), during the period from the deadline for delivery thereof until such consolidated financial statements are
received. 

  
 2 

 (d) The definition of “Borrowing Base” set forth in
Section 1.01 of the Credit Agreement is hereby amended to read in its entirety as follows: 

“Borrowing Base” means, as at any date, the amount of the Borrowing Base shown on the Borrowing Base
Certificate then most recently delivered pursuant to Section 5.01 hereof, determined by calculating the amount equal to: 
  

	 	(i)	80% of the Eligible Accounts at said date, plus 

  

	 	(ii)	65% of the Eligible Inventory/Equipment Value (Appraised) at said date, plus 

  

	 	(iii)	75% of the Eligible Inventory/Equipment Value (New Build, Acquired or Upgraded) at said date. 

In the absence of a current Borrowing Base Certificate, Administrative Agent shall determine the Borrowing Base from time to time in its
reasonable discretion, taking into account all information reasonably available to it, and the Borrowing Base from time to time so determined shall be the Borrowing Base for all purposes of this Agreement until a current Borrowing Base Certificate
is furnished to and accepted by Administrative Agent. 
 (e) A new definition of “Cash Adjustment” is hereby added to
Section 1.01 of the Credit Agreement, such new definition to read in its entirety as follows: 

“Cash Adjustment”, as of any date, means the lesser of (x) $10,000,000 or (y) fifty percent (50%) of
unrestricted cash and cash equivalents of the Borrower and its Subsidiaries as of such date. 
 (f) The definition of “Change in
Control” set forth in Section 1.01 of the Credit Agreement is hereby amended to read in its entirety as follows: 

“Change in Control” means the occurrence of any of the following events or series of events: 

(a) Solaris Inc. shall cease to be the sole managing member of the Borrower; or 

(b) the Borrower shall cease to own 100% of the Equity Interests in and to each Subsidiary of the Borrower; or 

(c) any Person (excluding any Qualifying Owner or any group of Qualifying Owners acting together which would constitute a
“group” for purposes of Section 13(d) of the Exchange Act, and excluding a corporation or other entity owned, directly or indirectly, by the stockholders of Solaris Inc. in substantially the same proportions as their ownership of stock of
the Solaris Inc.) is or becomes the beneficial owner, directly or indirectly, of securities of Solaris Inc. representing more than 50% of the combined voting power of Solaris Inc.’s then outstanding voting securities; or 

  
 3 

 (d) there is consummated a merger or consolidation of Solaris Inc. with any other
corporation or other entity, and, immediately after the consummation of such merger or consolidation, the voting securities of Solaris Inc. immediately prior to such merger or consolidation do not continue to represent or are not converted into more
than 50% of the combined voting power of the then-outstanding voting securities of the Person resulting from such merger or consolidation or, if the surviving company is a Subsidiary, the ultimate parent thereof; or 

(e) the stockholders of Solaris Inc. approve a plan of complete liquidation or dissolution of Solaris Inc. or there is
consummated an agreement or series of related agreements for the sale or other disposition, directly or indirectly, by Solaris Inc. of all or substantially all of Solaris Inc.’s assets, other than such sale or other disposition by Solaris Inc.
of all or substantially all of Solaris Inc.’s assets to an entity, at least 50% of the combined voting power of the voting securities of which are owned by stockholders of Solaris Inc. in substantially the same proportions as their ownership of
Solaris Inc. immediately prior to such sale. 
 Notwithstanding the foregoing, except with respect to clause (b) above, a Change
in Control shall not be deemed to have occurred by virtue of the consummation of any transaction or series of integrated transactions immediately following which the record holders of the shares of Solaris Inc. immediately prior to such transaction
or series of transactions continue to have substantially the same proportionate ownership in, and own substantially all of the shares of, an entity which owns, either directly or through a Subsidiary, all or substantially all of the assets of
Solaris Inc. immediately following such transaction or series of transactions. 
 (g) A new definition of “Eligible
Inventory/Equipment Value (Appraised)” is hereby added to Section 1.01 of the Credit Agreement, such new definition to read in its entirety as follows: 

“Eligible Inventory/Equipment Value (Appraised)” means the aggregate of the net orderly liquidation value of
all Eligible Inventory/Equipment which is included in an appraisal approved by the Administrative Agent, determined from time to time in such manner as the Administrative Agent may reasonably require. 

(h) A new definition of “Eligible Inventory/Equipment Value (New Build, Acquired or Upgraded)” is hereby added to
Section 1.01 of the Credit Agreement, such new definition to read in its entirety as follows: 

“Eligible Inventory/Equipment Value (New Build, Acquired or Upgraded)” means the aggregate cost capitalized in
the Borrower’s financial statements of all new build Eligible Inventory/Equipment which is not included in an appraisal approved by the Administrative Agent plus the aggregate cost to acquire and upgrade all Eligible
Inventory/Equipment previously sold to customers which is not included in an appraisal approved by the Administrative Agent, determined from time to time in such manner as the Administrative Agent may reasonably require. 

  
 4 

 (i) The definition of “Fixed Charge Coverage Ratio” set forth in
Section 1.01 of the Credit Agreement is hereby amended to read in its entirety as follows: 

“Fixed Charge Coverage Ratio” means, as of any day, the ratio of (a) EBITDA for the 12 months ending on
such date minus (x) Permitted Tax Distributions relating to income generated during such period, (y) Restricted Payments made during such period (other than Permitted Tax Distributions), and (z) maintenance and replacement
Capital Expenditures for such period not financed with the proceeds of equity or capital contributions made to Borrower that are used to fund such Capital Expenditures, the proceeds of Indebtedness, asset sales proceeds, insurance or condemnation
proceeds, asset trade-ins or exchanges or as part of an Acquisition permitted pursuant to Section 6.17 to (b) Debt Service for such
12-month period plus phantom amortization of the unpaid principal balance of the Loans as of the calculation date divided by 10, determined in each case on a consolidated basis for Borrower and its
Subsidiaries. For any determination of the Fixed Charge Coverage Ratio prior to June 30, 2017, each of the components of the Fixed Charge Coverage Ratio shall be calculated on an annualized basis using information available from and after
June 1, 2016 through and including the date of determination. 
 (j) The definition of “Leverage Ratio” set forth in
Section 1.01 of the Credit Agreement is hereby amended to read in its entirety as follows: 

“Leverage Ratio” means, as of any day, the ratio of (a) Indebtedness (other than contingent Indebtedness
with regard to letters of credit, letters of guaranty, bankers’ acceptances, performance bonds, surety bonds and similar Indebtedness) as of such date minus the Cash Adjustment as of such date to (b) EBITDA for the 12 months then
ended, determined in each case on a consolidated basis for Borrower and its Subsidiaries. For any determination of the Leverage Ratio prior to June 30, 2017, EBITDA shall be calculated on an annualized basis using information available from and
after June 1, 2016 through and including the date of determination. 
 (k) The definition of “Permitted Tax
Distributions” set forth in Section 1.01 of the Credit Agreement is hereby amended to read in its entirety as follows: 

“Permitted Tax Distributions” means for any calendar year or portion thereof during which the Borrower is a
pass-through entity for U.S. federal income tax purposes, payments and distributions to the members or partners of the Borrower, in an amount not to exceed the product of (i) the highest combined marginal federal and applicable state and
local income tax rates for individuals residing in New York, New York (taking into account the character of the taxable income (e.g., long-term capital gain, qualified dividend income, ordinary income, etc.) and the deductibility of state and local
income taxes), multiplied by (ii) the total aggregate taxable income of the Borrower and its Subsidiaries during the relevant calendar year or portion thereof, calculated without regard to, for clarity any tax deductions or basis
adjustments arising under Code Section 743 attributable to the assets of the Borrower or its Subsidiaries. 

  
 5 

 (l) A new definition of “Qualifying Owners” is hereby added to
Section 1.01 of the Credit Agreement, such new definition to read in its entirety as follows: 

“Qualifying Owners” means (i) William A. Zartler, or any company of which he is the manager, managing
member or otherwise controls, including, but not limited to, Solaris Energy Capital, LLC, (ii) any wife, lineal descendant, legal guardian or other legal representative or estate of the principal member named in clause (i) above;
(iii) any trust of which at least one of the trustees is a person described in clauses (i) or (ii) above, (iv) Yorktown Energy Partners X, L.P. and any affiliated funds or investment vehicles managed by Yorktown Partners LLC,
(v) Loadcraft Site Services, LLC, (vi) any affiliated funds or investment vehicles managed by any of the persons described in clauses (iv) or (v) above, and (vii) any general partner, managing member, principal or
managing director of any of the persons described in clauses (iv) or (v) above. 
 (m) The definition of
“Revolving Commitment” set forth in Section 1.01 of the Credit Agreement is hereby amended to read in its entirety as follows: 

“Revolving Commitment” means, with respect to each Lender, the commitment, if any, of such Lender to make
Revolving Loans and to acquire participations in Letters of Credit hereunder, expressed as an amount representing the maximum aggregate amount of such Lender’s Revolving Exposure hereunder, as such commitment may be (a) reduced from time
to time pursuant to Section 2.07 and (b) reduced or increased from time to time pursuant to assignments by or to such Lender pursuant to Section 9.04. The amount of each Lender’s
Revolving Commitment as of May 17, 2017 is set forth on Schedule 2.01A. The aggregate amount of the Lenders’ Revolving Commitments as of May 17, 2017 is $20,000,000. 

(n) The definition of “Revolving Maturity Date” set forth in Section 1.01 of the Credit Agreement
is hereby amended to read in its entirety as follows: 
 “Revolving Maturity Date” means May 17, 2021. 

(o) A new definition of “Solaris Inc.” is hereby added to Section 1.01 of the Credit Agreement,
such new definition to read in its entirety as follows: 
 “Solaris Inc.” means Solaris Oilfield
Infrastructure, Inc., a Delaware corporation. 
 (p) The reference in Section 2.07(d) of the Credit Agreement to
“$2,000,000” is hereby amended to read “$30,000,000”. 
 (q) The following sentence is hereby added at the end of
Section 2.11(a) of the Credit Agreement: 

  
 6 

 Notwithstanding the foregoing, if during any applicable month the average
outstanding principal balance of the Obligations shall exceed fifty percent (50%) of the average aggregate amount of the Revolving Commitment during such month, the commitment fee otherwise payable in respect of such month shall be waived. 

(r) Section 5.01(a) of the Credit Agreement is hereby amended to read in its entirety as follows: 

(a) within 90 days after the end of each fiscal year of the Borrower, (i) the audited consolidated balance sheet of
Solaris Inc. and related statements of operations, shareholders’ equity and cash flows as of the end of and for such year, setting forth in each case in comparative form the figures for the previous fiscal year, all reported on by independent
public accountants of recognized national standing (without a “going concern” or like qualification, commentary or exception and without any qualification, commentary or exception as to the scope of such audit) and (ii) a schedule
prepared by the Borrower and certified by one of its Financial Officers showing any adjustments to the audited consolidated financial statements which are necessary to demonstrate the financial condition and results of operations of the Borrower and
its consolidated Subsidiaries, to the effect that such consolidated financial statements together with such schedule present fairly in all material respects the financial condition and results of operations of the Borrower and its consolidated
Subsidiaries on a consolidated basis in accordance with GAAP consistently applied; 
 (s) Section 5.01(b) of the Credit Agreement is
hereby amended to read in its entirety as follows: 
 (b) within 45 days after the end of each fiscal quarter of each fiscal
year of the Borrower, (i) the consolidated balance sheet of Solaris Inc. and related statements of operations, shareholders’ equity and cash flows as of the end of and for such fiscal quarter and the then elapsed portion of the fiscal
year, setting forth in each case in comparative form the figures for the corresponding period or periods of (or, in the case of the balance sheet, as of the end of) the previous fiscal year and (ii) a schedule prepared by the Borrower showing
any adjustments to the consolidated financial statements which are necessary to demonstrate the financial condition and results of operations of the Borrower and its consolidated Subsidiaries, all certified by one of the Borrower’s Financial
Officers as presenting fairly in all material respects the financial condition and results of operations of the Borrower and its consolidated Subsidiaries on a consolidated basis in accordance with GAAP consistently applied, subject to normal year-end audit adjustments and the absence of footnotes; provided that, notwithstanding anything herein to the contrary, the Borrower shall have until June 15, 2017 to deliver the financial statements
required by this Section 5.01(b) for the fiscal quarter ended March 31, 2017; 

  
 7 

 (t) Section 5.01(e) of the Credit Agreement is hereby amended to read in its entirety as
follows: 
 (e) within 30 days after the end of each calendar month, (A) a Borrowing Base Certificate as of the last day
of such calendar month, together with such supporting information as the Administrative Agent may reasonably request, (B) a listing and aging of the Accounts of each Loan Party which has executed a Security Agreement covering its Accounts as of
the end of such calendar month, prepared in reasonable detail and containing such information as Administrative Agent may request, (C) to the extent included in (or proposed to be included in) the Borrowing Base, a summary of the Inventory and
Equipment of each Loan Party which has executed a Security Agreement covering the applicable Inventory and Equipment as of the end of such calendar month, prepared in reasonable detail and containing such other information as Administrative Agent
may request, and (D) a utilization report regarding equipment held for rental, prepared in reasonable detail and containing such other information as Administrative Agent may request; 

(u) Clause (f) of Section 5.01 is hereby renumbered to clause (g), and a new clause
(f) is hereby added to Section 5.01 of the Credit Agreement, such new clause to read in its entirety as follows: 

(f) within 30 days after the end of each calendar month (other than the last month of a fiscal quarter for which a financial
statement is required under Section 5.01(b)), (A) the consolidated balance sheet of Solaris Inc. and related statements of operations and a report of fixed asset additions as of the end of and for such fiscal month and the then elapsed
portion of the fiscal year, setting forth in the case of the balance sheet in comparative form the figures for the end of the previous fiscal year and (B) a schedule prepared by the Borrower showing any adjustments to the consolidated financial
statements which are necessary to demonstrate the financial condition and results of operations of the Borrower and its consolidated Subsidiaries, all certified by one of the Borrower’s Financial Officers as presenting fairly in all material
respects the financial condition and results of operations of the Borrower and its consolidated Subsidiaries on a consolidated basis in accordance with GAAP consistently applied, subject to normal year-end
audit adjustments and the absence of footnotes; and 
 (v) Section 5.09(b) of the Credit Agreement is hereby amended to read in its
entirety as follows: 
 (b) The Borrower will, and will cause each other Loan Party to, permit any representatives designated
by Administrative Agent (including any consultants, accountants, lawyers and appraisers retained by Administrative Agent) to conduct evaluations and appraisals of the Borrower’s computation of the Borrowing Base and the assets included in the
Collateral, all at such reasonable times and as often as reasonably requested. A new field appraisal on equipment will be required annually or at any time as market conditions or regulatory guidelines require. In addition, the Administrative Agent
may, at its discretion, require a desktop appraisal on equipment if the last full appraisal of equipment shall be more than 6 months old. The Borrower shall pay the reasonable fees and expenses of any representatives retained by Administrative Agent
to conduct any such evaluation or appraisal of the assets included in the Collateral; but the Borrower 

  
 8 

 
shall not, unless an Event of Default has occurred and is continuing or unless the evaluation or appraisal is required by regulatory guidelines, be required to pay such fees and expenses for
(x) more than one such evaluation or appraisal of the assets included in the Collateral (other than Eligible Inventory/Equipment) during any calendar year or (y) more than two such evaluations or appraisals of Eligible Inventory/Equipment
during any calendar year. The Borrower also agrees to modify or adjust the computation of the Borrowing Base (which may include maintaining additional reserves or modifying the eligibility criteria for the components of the Borrowing Base) to the
extent required by Administrative Agent as a result of any such evaluation or appraisal. 
 (w) Section 5.13 of the Credit Agreement
is hereby amended to read in its entirety as follows: 
 SECTION 5.13 Financial Covenants. Borrower will have and
maintain: 
 (a) Fixed Charge Coverage Ratio – a Fixed Charge Coverage Ratio of not less than 1.25 to 1.00 at all
times. 
 (b) Leverage Ratio – a Leverage Ratio of not greater than 2.50 to 1.00 at all times. 

(x) Section 5.16 of the Credit Agreement is hereby amended to read in its entirety as follows: 

SECTION 5.16 [Intentionally Left Blank]. 

(y) The reference in Section 6.01(a)(vii) of the Credit Agreement to “$500,000” is hereby amended to read
“$5,000,000”. 
 (z) Section 6.04 is hereby amended (i) by deleting the word “and” at the end of clause
(h), (ii) by replacing the period at the end of clause (i) with “, and”, and (iii) by adding a new clause (j) to read in its entirety as follows: 

(j) investments in the form of Acquisitions permitted pursuant to Section 6.17. 

(aa) Section 6.08 of the Credit Agreement is hereby amended to read in its entirety as follows: 

SECTION 6.08 Restricted Payments. The Borrower will not, nor will it permit any other Loan Party to, declare or make, or
agree to pay or make, directly or indirectly, any Restricted Payment, or incur any obligation (contingent or otherwise) to do so, except: 

(i) the Borrower may declare and pay dividends with respect to its Equity Interests payable solely in additional shares of its
Equity Interests, 

  
 9 

 (ii) Subsidiaries of Borrower may declare and pay dividends ratably with respect
to their Equity Interests, 
 (iii) the Borrower may pay Permitted Tax Distributions, 

(iv) so long as, both at the time of, and immediately after effect has been given to, such proposed action, no Default or Event
of Default shall have occurred and be continuing: 
 (w) Borrower may make distributions to Solaris Inc. to be used to pay
operating expenses of Solaris Inc. to the extent incurred in the ordinary course of business, together with other corporate overhead costs and expenses (including legal, administrative, accounting and similar expenses and franchise taxes and other
fees, taxes and expenses required to maintain the corporate existence of Solaris Inc.), which are reasonable and customary, 

(x) the Borrower may make Restricted Payments pursuant to and in accordance with stock option plans or other benefit plans for
management, directors or employees of the Borrower or Solaris Inc., 
 (y) the Borrower may make Restricted Payments,
including, without limitation, to purchase, redeem, retire, or otherwise acquire its Equity Interests, to the extent such Restricted Payments are made from the substantially concurrent receipt by the Borrower of capital contributions or the
substantially concurrent issuance of new Equity Interests of the Borrower, 
 (z) the Borrower may make repurchases,
redemptions or exchanges of Equity Interests of the Borrower or Solaris Inc. deemed to occur upon exercise of stock options or exchange of exchangeable shares if such Equity Interests represent a portion of the exercise price of such options and may
make repurchases, redemptions or other acquisitions or retirements for value of Equity Interests of the Borrower or Solaris Inc. made in lieu of withholding Taxes in connection with any exercise or exchange of stock options, warrants or other
similar rights, and 
 (v) the Borrower may declare and pay Restricted Payments in addition to the dividends permitted by the
foregoing provisions so long as, both at the time of, and immediately after effect has been given to, such proposed action, (w) no Default or Event of Default shall have occurred and be continuing, (x) the aggregate amount of Revolving
Loans which could be borrowed is greater than $5,000,000, (y) the Leverage Ratio is less than 2.25 to 1.00 and (z) the Fixed Charge Coverage Ratio is greater than 1.75 to 1.00. 

  
 10 

 (bb) Section 6.11 of the Credit Agreement is hereby amended to read in its entirety as
follows: 
 SECTION 6.11 Amendment of Material Documents. The Borrower will not, nor will it permit any other Loan
Party to, amend, modify or waive any of its rights under (a) any Subordinated Debt Document or (b) its organizational documents (in any manner adverse to the Lenders). 

(cc) Section 6.13 of the Credit Agreement is hereby amended to read in its entirety as follows: 

SECTION 6.13. Capital Expenditures. The Borrower will not, and will not permit any of its Subsidiaries to, permit the
aggregate amount of all Capital Expenditures (excluding an amount equal to the proceeds of equity contributions made to Borrower that are used to fund such Capital Expenditures and any Capital Expenditures financed with the asset sales proceeds,
insurance or condemnation proceeds, asset trade-ins or exchanges or funded as part of an Acquisition permitted pursuant to Section 6.17) for Borrower and its Subsidiaries during any
fiscal year of the Borrower to exceed $80,000,000 plus, for fiscal years beginning on January 1, 2019 and later, any unused availability for Capital Expenditures from the immediately preceding fiscal year (but not from any earlier year),
it being understood that in any applicable fiscal year unused availability from the immediately preceding fiscal year shall be reduced first as Capital Expenditures are made. 

(dd) Section 6.17(a) of the Credit Agreement is hereby amended to read in its entirety as follows: 

(a) The total cash and noncash consideration (excluding an amount equal to the proceeds of equity contributions made to
Borrower that are used to fund such consideration but including the fair market value of all Equity Interests issued or transferred to the sellers thereof, all indemnities, earnouts and other contingent payment obligations to, and the
aggregate amounts paid or to be paid under non-compete, consulting and other affiliated agreements with, the sellers thereof, all write-downs of property and reserves for liabilities with respect thereto and
all assumptions of Indebtedness, liabilities and other obligations in connection therewith) paid by or on behalf of the Borrower and its Subsidiaries for any such purchase or other acquisition, when aggregated with the total cash and noncash
consideration paid by or on behalf of the Loan Parties for all other purchases and other acquisitions made by the Loan Parties pursuant to this Section 6.17, shall not exceed $5,000,000 in the aggregate for all Acquisitions
closed in any fiscal year or $15,000,000 in the aggregate from and after the Effective Date; 
 (ee) The final paragraph of Article
VII of the Credit Agreement is hereby amended by deleting clause (iii) in its entirety and renumbering clause (iv) as clause (iii). 

(ff) Schedule 2.01A to the Credit Agreement is hereby amended to be identical to Schedule 2.01 attached hereto. 

  
 11 

 SECTION 2. Consent to Termination of Deferred Capital Call. The Lenders hereby consent to
the termination of the Deferred Capital Call and agree that any reference to the Deferred Capital Call in the Credit Agreement shall be null and void. 

SECTION 3. Conditions Precedent. The effectiveness of this Amendment shall be conditioned each of the following: 

(a) the Administrative Agent shall have received from the Loan Parties and all of the Lenders either (1) a counterpart of this Amendment
signed on behalf of such party or (2) written evidence satisfactory to the Administrative Agent (which may include telecopy or e-mail transmission of a signed signature page of this Amendment) that such
party has signed counterparts of this Amendment. 
 (b) The Administrative Agent shall have received original executed counterparts of the
Notes evidencing Revolving Loans (which Notes shall replace the Notes previously executed to evidence Revolving Loans). 
 (c) The
Administrative Agent shall have received such documents, certificates and opinions as the Administrative Agent or its counsel may reasonably request relating to the organization, existence and good standing of the Borrower and the authorization of
the execution and delivery of this Amendment and the other Loan Documents executed in connection herewith, all in form and substance reasonably satisfactory to the Administrative Agent and its counsel. 

SECTION 4. Post-Closing Covenant. Within one (1) Business Day after the date hereof, the Borrower shall either (i) make a
prepayment in full of all outstanding Advance Loans or (ii) subject to satisfaction of any conditions precedent under the Credit Agreement to funding Revolving Loans, convert all outstanding Advance Loans to Revolving Loans under the Credit
Agreement; provided that this Section 4 shall be deemed to satisfy any advance notice of such prepayment or conversion required by the Credit Agreement. 

SECTION 5. Ratification. Except as expressly amended by this Amendment, the Credit Agreement and the other Loan Documents shall remain
in full force and effect. None of the rights, title and interests existing and to exist under the Credit Agreement are hereby released, diminished or impaired, and the Borrower hereby reaffirms all covenants, representations and warranties in the
Credit Agreement. 
 SECTION 6. Expenses. The Borrower shall pay to the Administrative Agent all reasonable fees and expenses of its
legal counsel incurred in connection with the execution of this Amendment. 
 SECTION 7. Certifications. The Borrower hereby
certifies that after the effectuation of this Amendment no Default or Event of Default has occurred and is continuing. 
 SECTION 8.
Miscellaneous. This Amendment (a) shall be binding upon and inure to the benefit of the Borrower, the Lenders and the Administrative Agent and their respective successors, assigns, receivers and trustees; (b) may be modified or
amended only by a writing 

  
 12 

 
signed by the required parties; (c) shall be governed by and construed in accordance with the laws of the State of Texas and the United States of America; (d) may be executed in several
counterparts by the parties hereto on separate counterparts, and each counterpart, when so executed and delivered, shall constitute an original agreement, and all such separate counterparts shall constitute but one and the same agreement and
(e) together with the other Loan Documents, embodies the entire agreement and understanding between the parties with respect to the subject matter hereof and supersedes all prior agreements, consents and understandings relating to such subject
matter. The headings herein shall be accorded no significance in interpreting this Amendment. 
 NOTICE PURSUANT TO TEX. BUS. & COMM.
CODE §26.02 
 THE CREDIT AGREEMENT, AS AMENDED BY THIS AMENDMENT, AND ALL OTHER LOAN DOCUMENTS EXECUTED BY ANY OF THE PARTIES
PRIOR HERETO OR SUBSTANTIALLY CONCURRENTLY HEREWITH CONSTITUTE A WRITTEN LOAN AGREEMENT WHICH REPRESENTS THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR SUBSEQUENT ORAL AGREEMENTS OF THE
PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES. 
 [Signature Pages Follow] 

  
 13 

 IN WITNESS WHEREOF, the Borrower, the Lenders and the Administrative Agent have caused this
Amendment to be signed by their respective duly authorized officers, effective as of the date first above written. 
  

			
	SOLARIS OILFIELD INFRASTRUCTURE, LLC,
a Delaware limited liability company
		
	By:	 	 /s/ Kyle Ramachandran

	Name: Kyle Ramachandran
	Title: Chief Financial Officer

 [Signature Page for First Amendment to Credit Agreement] 

 
			
	WOODFOREST NATIONAL BANK,
as Administrative Agent and as a Lender
		
	By:	 	 /s/ Jack Legendre

	Name: Jack Legendre
	Title: Senior Vice President

 [Signature Page for First Amendment to Credit Agreement] 

 The undersigned hereby join in this Amendment to evidence their consent to execution by the
Borrower of this Amendment, to agree to be bound by the provisions of this Amendment to the extent applicable to the undersigned, to confirm that each Loan Document now or previously executed by the undersigned applies and shall continue to apply to
the Credit Agreement, as amended hereby, to acknowledge that without such consent and confirmation, Lenders would not execute this Amendment and to join in the notice pursuant to Tex. Bus. & Comm. Code §26.02 set forth above. 

 

			
	SOLARIS OILFIELD SITE SERVICES OPERATING, LLC, a Texas limited liability company
	SOLARIS OILFIELD EARLY PROPERTY, LLC, a Texas limited liability company
	SOLARIS OILFIELD SITE SERVICES PERSONNEL LLC, a Delaware limited liability company
		
	 By:
	 	 /s/ Kyle Ramachandran

	Name:	 	Kyle Ramachandran
	Title:	 	Chief Financial Officer

 [Signature Page for First Amendment to Credit Agreement] 

  

 Schedule 2.01A 

Commitments 
  

					
	 Lender
	 	Revolving
Commitments as of
May 17, 2017	 	Advance Loan
Commitments as of
May 17, 2017
	WOODFOREST
NATIONAL BANK	 	$20,000,000	 	$0

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