EX-4.3


 Exhibit 4.3 

SOLARIS OILFIELD INFRASTRUCTURE, INC. 

Long Term Incentive Plan 

1. Purpose. The purpose of the Solaris Oilfield Infrastructure, Inc. Long Term Incentive Plan (the “Plan”) is
to provide a means through which (a) Solaris Oilfield Infrastructure, Inc., a Delaware corporation (the “Company”), and its Affiliates may attract, retain and motivate qualified persons as employees, directors and
consultants, thereby enhancing the profitable growth of the Company and its Affiliates and (b) persons upon whom the responsibilities of the successful administration and management of the Company and its Affiliates rest, and whose present and
potential contributions to the Company and its Affiliates are of importance, can acquire and maintain stock ownership or awards the value of which is tied to the performance of the Company, thereby strengthening their concern for the Company and its
Affiliates. Accordingly, the Plan provides for the grant of Options, SARs, Restricted Stock, Restricted Stock Units, Stock Awards, Dividend Equivalents, Other Stock-Based Awards, Cash Awards, Substitute Awards, Performance Awards, or any combination
of the foregoing, as determined by the Committee in its sole discretion. 
 2. Definitions. For purposes of the Plan, the following
terms shall be defined as set forth below: 
 (a) “Affiliate” means any corporation, partnership, limited liability
company, limited liability partnership, association, trust or other organization that, directly or indirectly, controls, is controlled by, or is under common control with, the Company. For purposes of the preceding sentence, “control”
(including, with correlative meanings, the terms “controlled by” and “under common control with”), as used with respect to any entity or organization, shall mean the possession, directly or indirectly, of the power (i) to
vote more than 50% of the securities having ordinary voting power for the election of directors of the controlled entity or organization or (ii) to direct or cause the direction of the management and policies of the controlled entity or
organization, whether through the ownership of voting securities, by contract, or otherwise.  

(b) “ASC Topic 718” means the Financial Accounting Standards Board Accounting Standards Codification Topic 718,
Compensation – Stock Compensation, as amended or any successor accounting standard. 
 (c) “Award” means
any Option, SAR, Restricted Stock, Restricted Stock Unit, Stock Award, Dividend Equivalent, Other Stock-Based Award, Cash Award, Substitute Award or Performance Award, together with any other right or interest, granted under the Plan. 

(d) “Award Agreement” means any written instrument (including any employment, severance or change in control
agreement) that sets forth the terms, conditions, restrictions and/or limitations applicable to an Award, in addition to those set forth under the Plan. 

(e) “Board” means the Board of Directors of the Company. 

  
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 (f) “Cash Award” means an Award denominated in cash granted under
Section 6(i). 
 (g) “Change in Control” means, except as otherwise provided in an Award Agreement, the
occurrence of any of the following events after the Effective 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 Company’s stockholders in
substantially the same proportions as their ownership of the stock of the Company) is or becomes the “beneficial owner” (within the meaning of Rule 13d-3 promulgated under the Exchange Act), directly
or indirectly, of securities of the Company representing more than 50% of the combined voting power of the then-outstanding voting securities of the Company. 

(ii) There is consummated a merger or consolidation of the Company with any other corporation or other entity, and, immediately after the
consummation of such merger or consolidation, the voting securities of the Company 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. 

(iii) The Company’s stockholders approve a plan of complete liquidation or dissolution of the Company or there is consummated an
agreement or series of related agreements for the sale or other disposition, directly or indirectly, by the Company of all or substantially all of the Company’s assets, other than such sale or other disposition by the Company of all or
substantially all of the Company’s assets to an entity, at least 50% of the combined voting power of the voting securities of which are owned by the Company’s stockholders in substantially the same proportions as their ownership of the
Company immediately prior to such sale. 
 Notwithstanding the foregoing, except with respect to clause (ii) 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 securities of the Company immediately prior to such
transaction or series of transactions continue to have substantially the same proportionate ownership in, and own substantially all of the securities of, an entity which owns, either directly or through a subsidiary, all or substantially all of the
assets of the Company immediately following such transaction or series of transactions. Further notwithstanding the foregoing, with respect to an Award that provides for a deferral of compensation under the Nonqualified Deferred Compensation Rules
and with respect to which a Change in Control would trigger settlement or payment of such Award, “Change in Control” shall mean an event that qualifies both as a “Change in Control” (as defined in this Section 2(g)) as
well as a “change in control event” as defined in the Nonqualified Deferred Compensation Rules. 

  
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 (h) “Change in Control Price” means the amount determined in the
following clause (i), (ii), (iii), (iv) or (v), whichever the Committee determines is applicable, as follows: (i) the price per share offered to holders of Stock in any merger or consolidation, (ii) the per share Fair Market Value of the
Stock immediately before the Change in Control or other event without regard to assets sold in the Change in Control or other event and assuming the Company has received the consideration paid for the assets in the case of a sale of the assets,
(iii) the amount distributed per share of Stock in a dissolution transaction, (iv) the price per share offered to holders of Stock in any tender offer or exchange offer whereby a Change in Control or other event takes place, or (v) if
such Change in Control or other event occurs other than pursuant to a transaction described in clauses (i), (ii), (iii), or (iv) of this Section 2(h), the value per share of the Stock that may otherwise be obtained with respect to such
Awards or to which such Awards track, as determined by the Committee as of the date determined by the Committee to be the date of cancellation and surrender of such Awards. In the event that the consideration offered to stockholders of the Company
in any transaction described in this Section 2(h) or in Section 8(e) consists of anything other than cash, the Committee shall determine the fair cash equivalent of the portion of the consideration offered which is other than cash and
such determination shall be binding on all affected Participants to the extent applicable to Awards held by such Participants. 
 (i)
“Code” means the Internal Revenue Code of 1986, as amended from time to time, including the guidance and regulations promulgated thereunder and successor provisions, guidance and regulations thereto. 

(j) “Committee” means a committee of two or more directors designated by the Board to administer the Plan; provided,
however, that, unless otherwise determined by the Board, the Committee shall consist solely of two or more Qualified Members. 
 (k)
“Covered Employee” means an Eligible Person who is (i) a “covered employee” within the meaning of Section 162(m) or (ii) designated by the Committee, at the time of grant of a Performance Award or at any
subsequent time, as reasonably expected to be a “covered employee” with respect to the taxable year of the Company in which any applicable Award will be paid. 

(l) “Dividend Equivalent” means a right, granted to an Eligible Person under Section 6(g), to receive cash,
Stock, other Awards or other property equal in value to dividends paid with respect to a specified number of shares of Stock, or other periodic payments. 

(m) “Effective Date” means May 17, 2017. 

(n) “Eligible Person” means any individual who, as of the date of grant of an Award, is an officer or employee of the
Company or of any of its Affiliates, and any other person who provides services to the Company or any of its Affiliates, including directors of the Company; provided, however, that, any such individual must be an “employee”
of the Company or any of its parents or subsidiaries within the meaning of General Instruction A.1(a) to Form S-8 if such individual is granted an Award that may be settled in Stock. An employee on leave of
absence may be an Eligible Person. 

  
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 (o) “Exchange Act” means the Securities Exchange Act of 1934, as amended
from time to time, including the guidance, rules and regulations promulgated thereunder and successor provisions, guidance, rules and regulations thereto. 

(p) “Fair Market Value” of a share of Stock means, as of any specified date, (i) if the Stock is listed on a
national securities exchange, the closing sales price of the Stock, as reported on the stock exchange composite tape on that date (or if no sales occur on such date, on the last preceding date on which such sales of the Stock are so reported); (ii)
if the Stock is not traded on a national securities exchange but is traded over the counter on such date, the average between the reported high and low bid and asked prices of Stock on the most recent date on which Stock was publicly traded on or
preceding the specified date; or (iii) in the event Stock is not publicly traded at the time a determination of its value is required to be made under the Plan, the amount determined by the Committee in its discretion in such manner as it deems
appropriate, taking into account all factors the Committee deems appropriate, including the Nonqualified Deferred Compensation Rules. Notwithstanding this definition of Fair Market Value, with respect to one or more Award types, or for any other
purpose for which the Committee must determine the Fair Market Value under the Plan, the Committee may elect to choose a different measurement date or methodology for determining Fair Market Value so long as the determination is consistent with the
Nonqualified Deferred Compensation Rules and all other applicable laws and regulations. 
 (q) “ISO” means an Option
intended to be and designated as an “incentive stock option” within the meaning of Section 422 of the Code. 
 (r)
“Nonqualified Deferred Compensation Rules” means the limitations or requirements of Section 409A of the Code, as amended from time to time, including the guidance and regulations promulgated thereunder and successor
provisions, guidance and regulations thereto. 
 (s) “Nonstatutory Option” means an Option that is not an ISO. 

(t) “Option” means a right, granted to an Eligible Person under Section 6(b), to purchase Stock at a specified
price during specified time periods, which may either be an ISO or a Nonstatutory Option. 
 (u) “Other Stock-Based
Award” means an Award granted to an Eligible Person under Section 6(h). 
 (v) “Participant”
means a person who has been granted an Award under the Plan that remains outstanding, including a person who is no longer an Eligible Person. 

(w) “Performance Award” means an award granted to an Eligible Person under Section 6(k), the grant, vesting,
exercisability and/or settlement of which (and/or the timing or amount thereof) is subject to the achievement of one or more performance goals specified by the Committee. 

(x) “Qualified Member” means a member of the Board who is (i) a
“non-employee director” within the meaning of Rule 16b-3(b)(3), (ii) following expiration of the 

  
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Transition Period (as defined below), an “outside director” within the meaning of Section 162(m), and (iii) “independent” under the listing standards or rules of the
securities exchange upon which the Stock is traded, but only to the extent such independence is required in order to take the action at issue pursuant to such standards or rules. 

(y) “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 clause (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 clause (iv) or (v) above, and (vii) any general partner, managing member, principal or managing director of any of the persons
described in clause (v) above. 
 (z) “Restricted Stock” means Stock granted to an Eligible Person under
Section 6(d) that is subject to certain restrictions and to a risk of forfeiture. 
 (aa) “Restricted Stock
Unit” means a right, granted to an Eligible Person under Section 6(e), to receive Stock, cash or a combination thereof at the end of a specified period (which may or may not be coterminous with the vesting schedule of the Award).

 (bb) “Rule 16b-3” means Rule
16b-3, promulgated by the SEC under Section 16 of the Exchange Act. 
 (cc)
“SAR” means a stock appreciation right granted to an Eligible Person under Section 6(c). 
 (dd)
“SEC” means the Securities and Exchange Commission. 
 (ee) “Section 162(m)” means Section
162(m) of the Code and Treasury Regulation § 1.162-27, as amended from time to time, and any other guidance and regulations promulgated thereunder and successor provisions, guidance and regulations
thereto. 
 (ff) “Section 162(m) Award” means a Performance Award granted under Section 6(k)(i) to a Covered
Employee that is intended to satisfy the requirements for “performance-based compensation” within the meaning of Section 162(m). 

(gg) “Securities Act” means the Securities Act of 1933, as amended from time to time, including the guidance, rules
and regulations promulgated thereunder and successor provisions, guidance, rules and regulations thereto. 
 (hh)
“Stock” means the Company’s Common Stock, par value $0.01 per share, and such other securities as may be substituted (or re-substituted) for Stock pursuant to
Section 8. 

  
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 (ii) “Stock Award” means unrestricted shares of Stock granted to an
Eligible Person under Section 6(f). 
 (jj) “Substitute Award” means an Award granted under Section
6(j). 
 3. Administration. 

(a) Authority of the Committee. The Plan shall be administered by the Committee except to the extent the Board elects to administer the
Plan, in which case references herein to the “Committee” shall be deemed to include references to the “Board.” Subject to the express provisions of the Plan, Rule 16b-3 and other applicable
laws, the Committee shall have the authority, in its sole and absolute discretion, to: 
 (i) designate Eligible Persons as Participants;

 (ii) determine the type or types of Awards to be granted to an Eligible Person; 

(iii) determine the number of shares of Stock or amount of cash to be covered by Awards; 

(iv) determine the terms and conditions of any Award, including whether, to what extent and under what circumstances Awards may be vested,
settled, exercised, cancelled or forfeited (including conditions based on continued employment or service requirements or the achievement of one or more performance goals); 

(v) modify, waive or adjust any term or condition of an Award that has been granted, which may include the acceleration of vesting, waiver of
forfeiture restrictions, modification of the form of settlement of the Award (for example, from cash to Stock or vice versa), early termination of a performance period, or modification of any other condition or limitation regarding an Award; 

(vi) determine the treatment of an Award upon a termination of employment or other service relationship; 

(vii) impose a holding period with respect to an Award or the shares of Stock received in connection with an Award; 

(viii) interpret and administer the Plan and any Award Agreement; 

(ix) correct any defect, supply any omission or reconcile any inconsistency in the Plan, in any Award, or in any Award Agreement; and 

(x) make any other determination and take any other action that the Committee deems necessary or desirable for the administration of the Plan.

 The express grant of any specific power to the Committee, and the taking of any action by the Committee, shall not be construed as
limiting any power or authority of the Committee. Any action of the Committee shall be final, conclusive and binding on all persons, including the Company, its Affiliates, stockholders, Participants, beneficiaries, and permitted transferees under
Section 7(a) or other persons claiming rights from or through a Participant. 

  
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 (b) Exercise of Committee Authority. At any time that a member of the Committee is not a
Qualified Member, any action of the Committee relating to (i) an Award granted or to be granted to an Eligible Person who is then subject to Section 16 of the Exchange Act in respect of the Company where such action is not taken by the
full Board, or (ii) a Section 162(m) Award, may be taken either (A) by a subcommittee, designated by the Committee, composed solely of two or more Qualified Members, or (B) by the Committee but with each such member who is not a
Qualified Member abstaining or recusing himself or herself from such action; provided, however, that upon such abstention or recusal, the Committee remains composed solely of two or more Qualified Members. Such action, authorized by
such a subcommittee or by the Committee upon the abstention or recusal of such non-Qualified Member(s), shall be the action of the Committee for purposes of the Plan. For the avoidance of doubt, the full Board
may take any action relating to an Award granted or to be granted to an Eligible Person who is then subject to Section 16 of the Exchange Act in respect of the Company, so long as such Award is not a Section 162(m) Award. 

(c) Delegation of Authority. The Committee may delegate any or all of its powers and duties under the Plan to a subcommittee of
directors or to any officer of the Company, including the power to perform administrative functions and grant Awards; provided, however, that such delegation does not (i) violate state or corporate law, (ii) result in the
loss of an exemption under Rule 16b-3(d)(1) for Awards granted to Participants subject to Section 16 of the Exchange Act in respect of the Company, or (iii) cause Section 162(m) Awards to fail to so
qualify. Upon any such delegation, all references in the Plan to the “Committee,” other than in Section 8, shall be deemed to include any subcommittee or officer of the Company to whom such powers have been
delegated by the Committee. Any such delegation shall not limit the right of such subcommittee members or such an officer to receive Awards; provided, however, that such subcommittee members and any such officer may not grant Awards to
himself or herself, a member of the Board, or any executive officer of the Company or an Affiliate, or take any action with respect to any Award previously granted to himself or herself, a member of the Board, or any executive officer of the Company
or an Affiliate. The Committee may also appoint agents who are not executive officers of the Company or members of the Board to assist in administering the Plan, provided, however, that such individuals may not be delegated the
authority to (A) grant or modify any Awards that will, or may, be settled in Stock or (B) take any action that would cause Section 162(m) Awards to fail to so qualify, if applicable. 

(d) Limitation of Liability. The Committee and each member thereof shall be entitled to, in good faith, rely or act upon any report or
other information furnished to him or her by any officer or employee of the Company or any of its Affiliates, the Company’s legal counsel, independent auditors, consultants or any other agents assisting in the administration of the Plan.
Members of the Committee and any officer or employee of the Company or any of its Affiliates acting at the direction or on behalf of the Committee shall not be personally liable for any action or determination taken or made in good faith with
respect to the Plan, and shall, to the fullest extent permitted by law, be indemnified and held harmless by the Company with respect to any such action or determination. 

  
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 (e) Participants in Non-U.S. Jurisdictions.
Notwithstanding any provision of the Plan to the contrary, to comply with applicable laws in countries other than the United States in which the Company or any of its Affiliates operates or has employees, directors or other service providers from
time to time, or to ensure that the Company complies with any applicable requirements of foreign securities exchanges, the Committee, in its sole discretion, shall have the power and authority to: (i) determine which of the Company’s
Affiliates shall be covered by the Plan; (ii) determine which Eligible Persons outside the United States are eligible to participate in the Plan; (iii) modify the terms and conditions of any Award granted to Eligible Persons outside the
United States to comply with applicable foreign laws or listing requirements of any foreign exchange; (iv) establish sub-plans and modify exercise procedures and other terms and procedures, to the extent
such actions may be necessary or advisable (any such sub-plans and/or modifications shall be attached to the Plan as appendices), provided, however, that no such
sub-plans and/or modifications shall increase the share limitations contained in Section 4(a); and (v) take any action, before or after an Award is granted, that it deems advisable to comply with
any applicable governmental regulatory exemptions or approval or listing requirements of any such foreign securities exchange. For purposes of the Plan, all references to foreign laws, rules, regulations or taxes shall be references to the laws,
rules, regulations and taxes of any applicable jurisdiction other than the United States or a political subdivision thereof. 
 4. Stock
Subject to Plan. 
 (a) Number of Shares Available for Delivery. Subject to adjustment in a manner consistent with
Section 8, 5,118,080 shares of Stock are reserved and available for delivery with respect to Awards, and such total shall be available for the issuance of shares upon the exercise of ISOs. 

(b) Application of Limitation to Grants of Awards. Subject to Section 4(c), no Award may be granted if the
number of shares of Stock that may be delivered in connection with such Award exceeds the number of shares of Stock remaining available under the Plan minus the number of shares of Stock issuable in settlement of or relating to then-outstanding
Awards. The Committee may adopt reasonable counting procedures to ensure appropriate counting, avoid double counting (as, for example, in the case of tandem or Substitute Awards) and make adjustments if the number of shares of Stock actually
delivered differs from the number of shares previously counted in connection with an Award. 
 (c) Availability of Shares Not Delivered
under Awards. If all or any portion of an Award expires or is cancelled, forfeited, exchanged, settled in cash or otherwise terminated, the shares of Stock subject to such Award (including (i) shares forfeited with respect to Restricted
Stock, and (ii) the number of shares withheld or surrendered to the Company in payment of any exercise or purchase price of an Award or taxes relating to Awards) shall not be considered “delivered shares” under the Plan, shall be
available for delivery with respect to Awards, and shall no longer be considered issuable or related to outstanding Awards for purposes of Section 4(b), except that if any such shares could not again be available for Awards
granted to a particular Participant under any applicable law or regulation, such shares shall be available exclusively for Awards to Participants who are not subject to such limitation. If an Award may be settled only in cash, such Award need not be
counted against any share limit under this Section 4, but will remain subject to the limitations in Section 5 to the extent required to preserve the status of any Award intended to be a
Section 162(m) Award. 
 (d) Stock Offered. The shares of Stock to be delivered under the Plan shall be made available from
(i) authorized but unissued shares of Stock, (ii) Stock held in the treasury of the Company, or (iii) previously issued shares of Stock reacquired by the Company, including shares purchased on the open market. 

  
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 5. Eligibility; Per Person Award Limitations. 

(a) Awards may be granted under the Plan only to Eligible Persons. 

(b) Beginning with the calendar year in which the Transition Period expires and for each calendar year thereafter, a Covered Employee shall be
subject to the Award limitations, if any, that are approved by the Company’s stockholders. 
 (c) In each calendar year during any part
of which the Plan is in effect, a non-employee member of the Board may not be granted Awards having a value (determined, if applicable, pursuant to ASC Topic 718) on the date of grant in excess of $750,000, in
each case multiplied by the number of full or partial calendar years in any performance period established with respect to an Award, if applicable; provided, that, for the calendar year in which a non-employee
member of the Board first commences service on the Board only, the foregoing limitation shall be doubled; provided, further that, the limitation set forth in this Section 5(c) shall be without regard to grants of Awards, if any, made to a non-employee member of the Board during any period in which such individual was an employee of the Company or of any of its Affiliates or was otherwise providing services to the Company or to any of its Affiliates
other than in the capacity as a director of the Company. 
 6. Specific Terms of Awards. 

(a) General. Awards may be granted on the terms and conditions set forth in this Section 6. Awards granted
under the Plan may, in the discretion of the Committee, be granted either alone, in addition to, or in tandem with any other Award. In addition, the Committee may impose on any Award or the exercise thereof, at the date of grant or thereafter
(subject to Section 10), such additional terms and conditions, not inconsistent with the provisions of the Plan, as the Committee shall determine. 

(b) Options. The Committee is authorized to grant Options, which may be designated as either ISOs or Nonstatutory Options, to Eligible
Persons on the following terms and conditions: 
 (i) Exercise Price. Each Award Agreement evidencing an Option shall state the
exercise price per share of Stock (the “Exercise Price”) established by the Committee; provided, however, that except as provided in Section 6(j) or in Section 8, the Exercise
Price of an Option shall not be less than the greater of (A) the par value per share of the Stock or (B) 100% of the Fair Market Value per share of the Stock as of the date of grant of the Option (or in the case of an ISO granted to an
individual who owns stock possessing more than 10% of the total combined voting power of all classes of stock of the Company or its parent or 

  
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any of its subsidiaries, 110% of the Fair Market Value per share of the Stock on the date of grant). Notwithstanding the foregoing, the Exercise Price of a Nonstatutory Option may be less than
100% of the Fair Market Value per share of Stock as of the date of grant of the Option if the Option (1) does not provide for a deferral of compensation by reason of satisfying the short-term deferral exception set forth in the Nonqualified
Deferred Compensation Rules or (2) provides for a deferral of compensation and is compliant with the Nonqualified Deferred Compensation Rules. 

(ii) Time and Method of Exercise; Other Terms. The Committee shall determine the methods by which the Exercise Price may be paid or
deemed to be paid, the form of such payment, including cash or cash equivalents, Stock (including previously owned shares or through a cashless exercise, i.e., “net settlement”, a broker-assisted exercise, or other reduction of the amount
of shares otherwise issuable pursuant to the Option), other Awards or awards granted under other plans of the Company or any Affiliate, other property, or any other legal consideration the Committee deems appropriate (including notes or other
contractual obligations of Participants to make payment on a deferred basis), the methods by or forms in which Stock will be delivered or deemed to be delivered to Participants, including the delivery of Restricted Stock subject to Section
6(d), and any other terms and conditions of any Option. In the case of an exercise whereby the Exercise Price is paid with Stock, such Stock shall be valued based on the Stock’s Fair Market Value as of the date of exercise. No Option may be
exercisable for a period of more than ten years following the date of grant of the Option (or in the case of an ISO granted to an individual who owns stock possessing more than 10% of the total combined voting power of all classes of stock of the
Company or its parent or any of its subsidiaries, for a period of more than five years following the date of grant of the ISO). 
 (iii)
ISOs. The terms of any ISO granted under the Plan shall comply in all respects with the provisions of Section 422 of the Code. ISOs may only be granted to Eligible Persons who are employees of the Company or employees of a parent or any
subsidiary corporation of the Company. Except as otherwise provided in Section 8, no term of the Plan relating to ISOs (including any SAR in tandem therewith) shall be interpreted, amended or altered, nor shall any
discretion or authority granted under the Plan be exercised, so as to disqualify either the Plan or any ISO under Section 422 of the Code, unless the Participant has first requested the change that will result in such disqualification. ISOs
shall not be granted more than ten years after the earlier of the adoption of the Plan or the approval of the Plan by the Company’s stockholders. Notwithstanding the foregoing, to the extent that the aggregate Fair Market Value of shares of
Stock subject to an ISO and the aggregate Fair Market Value of shares of stock of any parent or subsidiary corporation (within the meaning of Sections 424(e) and (f) of the Code) subject to any other incentive stock options of the Company or a
parent or subsidiary corporation (within the meaning of Sections 424(e) and (f) of the Code) that are exercisable for the first time by a Participant during any calendar year exceeds $100,000, or such other amount as may be prescribed under
Section 422 of the Code, such excess shall be treated as Nonstatutory Options in accordance with the Code. As used in the previous sentence, Fair Market Value shall be determined as of the date the ISO is granted. If a Participant shall make
any disposition of shares of Stock issued pursuant to an ISO under the circumstances described in Section 421(b) of the Code (relating to disqualifying dispositions), the Participant shall notify the Company of such disposition within the time
provided to do so in the applicable award agreement. 

  
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 (c) SARs. The Committee is authorized to grant SARs to Eligible Persons on the following
terms and conditions: 
 (i) Right to Payment. An SAR is a right to receive, upon exercise thereof, the excess of (A) the Fair
Market Value of one share of Stock on the date of exercise over (B) the grant price of the SAR as determined by the Committee. 
 (ii)
Grant Price. Each Award Agreement evidencing an SAR shall state the grant price per share of Stock established by the Committee; provided, however, that except as provided in Section 6(j) or in
Section 8, the grant price per share of Stock subject to an SAR shall not be less than the greater of (A) the par value per share of the Stock or (B) 100% of the Fair Market Value per share of the Stock as of the date
of grant of the SAR. Notwithstanding the foregoing, the grant price of an SAR may be less than 100% of the Fair Market Value per share of Stock subject to an SAR as of the date of grant of the SAR if the SAR (1) does not provide for a deferral
of compensation by reason of satisfying the short-term deferral exception set forth in the Nonqualified Deferred Compensation Rules or (2) provides for a deferral of compensation and is compliant with the Nonqualified Deferred Compensation
Rules. 
 (iii) Method of Exercise and Settlement; Other Terms. The Committee shall determine the form of consideration payable upon
settlement, the method by or forms in which Stock (if any) will be delivered or deemed to be delivered to Participants, and any other terms and conditions of any SAR. SARs may be either free-standing or granted in tandem with other Awards. No SAR
may be exercisable for a period of more than ten years following the date of grant of the SAR. 
 (iv) Rights Related to Options. An
SAR granted in connection with an Option shall entitle a Participant, upon exercise, to surrender that Option or any portion thereof, to the extent unexercised, and to receive payment of an amount determined by multiplying (A) the difference
obtained by subtracting the Exercise Price with respect to a share of Stock specified in the related Option from the Fair Market Value of a share of Stock on the date of exercise of the SAR, by (B) the number of shares as to which that SAR has
been exercised. The Option shall then cease to be exercisable to the extent surrendered. SARs granted in connection with an Option shall be subject to the terms and conditions of the Award Agreement governing the Option, which shall provide that the
SAR is exercisable only at such time or times and only to the extent that the related Option is exercisable and shall not be transferable except to the extent that the related Option is transferrable. 

(d) Restricted Stock. The Committee is authorized to grant Restricted Stock to Eligible Persons on the following terms and conditions:

 (i) Restrictions. Restricted Stock shall be subject to such restrictions on transferability, risk of forfeiture and other
restrictions, if any, as the Committee may impose. Except as provided in Section 7(a)(iii) and Section 7(a)(iv), during the restricted period applicable to the Restricted Stock, the Restricted Stock may not be sold, transferred,
pledged, hedged, hypothecated, margined or otherwise encumbered by the Participant. 

  
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 (ii) Dividends and Splits. As a condition to the grant of an Award of Restricted Stock,
the Committee may allow a Participant to elect, or may require, that any cash dividends paid on a share of Restricted Stock be automatically reinvested in additional shares of Restricted Stock, applied to the purchase of additional Awards or
deferred without interest to the date of vesting of the associated Award of Restricted Stock. Unless otherwise determined by the Committee and specified in the applicable Award Agreement, Stock distributed in connection with a Stock split or Stock
dividend, and other property (other than cash) distributed as a dividend, shall be subject to restrictions and a risk of forfeiture to the same extent as the Restricted Stock with respect to which such Stock or other property has been distributed.

 (e) Restricted Stock Units. The Committee is authorized to grant Restricted Stock Units to Eligible Persons on the following terms
and conditions: 
 (i) Award and Restrictions. Restricted Stock Units shall be subject to such restrictions (which may include a
risk of forfeiture) as the Committee may impose. 
 (ii) Settlement. Settlement of vested Restricted Stock Units shall occur upon
vesting or upon expiration of the deferral period specified for such Restricted Stock Units by the Committee (or, if permitted by the Committee, as elected by the Participant). Restricted Stock Units shall be settled by delivery of (A) a number
of shares of Stock equal to the number of Restricted Stock Units for which settlement is due, or (B) cash in an amount equal to the Fair Market Value of the specified number of shares of Stock equal to the number of Restricted Stock Units for
which settlement is due, or a combination thereof, as determined by the Committee at the date of grant or thereafter. 
 (f) Stock
Awards. The Committee is authorized to grant Stock Awards to Eligible Persons as a bonus, as additional compensation, or in lieu of cash compensation any such Eligible Person is otherwise entitled to receive, in such amounts and subject to such
other terms as the Committee in its discretion determines to be appropriate. 
 (g) Dividend Equivalents. The Committee is authorized
to grant Dividend Equivalents to Eligible Persons, entitling any such Eligible Person to receive cash, Stock, other Awards, or other property equal in value to dividends or other distributions paid with respect to a specified number of shares of
Stock. Dividend Equivalents may be awarded on a free-standing basis or in connection with another Award (other than an Award of Restricted Stock or a Stock Award). The Committee may provide that Dividend Equivalents shall be paid or distributed when
accrued or at a later specified date and, if distributed at a later date, may be deemed to have been reinvested in additional Stock, Awards, or other investment vehicles or accrued in a bookkeeping account without interest, and subject to such
restrictions on transferability and risks of forfeiture, as the Committee may specify. With respect to Dividend Equivalents granted in connection with another Award, absent a contrary provision in the Award Agreement, such Dividend Equivalents shall
be subject to the same restrictions and risk of forfeiture as the Award with respect to which the dividends accrue and shall not be paid unless and until such Award has vested and been earned. 

(h) Other Stock-Based Awards. The Committee is authorized, subject to limitations under applicable law, to grant to Eligible Persons
such other Awards that may be 

  
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denominated or payable in, valued in whole or in part by reference to, or otherwise based on, or related to, Stock, as deemed by the Committee to be consistent with the purposes of the Plan,
including convertible or exchangeable debt securities, other rights convertible or exchangeable into Stock, purchase rights for Stock, Awards with value and payment contingent upon performance of the Company or any other factors designated by the
Committee, and Awards valued by reference to the book value of Stock or the value of securities of, or the performance of, specified Affiliates of the Company. The Committee shall determine the terms and conditions of such Other Stock-Based Awards.
Stock delivered pursuant to an Other-Stock Based Award in the nature of a purchase right granted under this Section 6(h) shall be purchased for such consideration, paid for at such times, by such methods, and in such forms, including cash,
Stock, other Awards, or other property, as the Committee shall determine. 
 (i) Cash Awards. The Committee is authorized to grant
Cash Awards, on a free-standing basis or as an element of, a supplement to, or in lieu of any other Award under the Plan to Eligible Persons in such amounts and subject to such other terms as the Committee in its discretion determines to be
appropriate. 
 (j) Substitute Awards; No Repricing. Awards may be granted in substitution or exchange for any other Award granted
under the Plan or under another plan of the Company or an Affiliate or any other right of an Eligible Person to receive payment from the Company or an Affiliate. Awards may also be granted under the Plan in substitution for awards held by
individuals who become Eligible Persons as a result of a merger, consolidation or acquisition of another entity or the assets of another entity by or with the Company or an Affiliate. Such Substitute Awards referred to in the immediately preceding
sentence that are Options or SARs may have an exercise price that is less than the Fair Market Value of a share of Stock on the date of the substitution if such substitution complies with the Nonqualified Deferred Compensation Rules and other
applicable laws and exchange rules. Except as provided in this Section 6(j) or in Section 8, without the approval of the stockholders of the Company, the terms of outstanding Awards may not be amended to
(i) reduce the Exercise Price or grant price of an outstanding Option or SAR, (ii) grant a new Option, SAR or other Award in substitution for, or upon the cancellation of, any previously granted Option or SAR that has the effect of
reducing the Exercise Price or grant price thereof, (iii) exchange any Option or SAR for Stock, cash or other consideration when the Exercise Price or grant price per share of Stock under such Option or SAR exceeds the Fair Market Value of a
share of Stock or (iv) take any other action that would be considered a “repricing” of an Option or SAR under the applicable listing standards of the national securities exchange on which the Stock is listed (if any). 

  
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 (k) Performance Awards. The Committee is authorized to designate any of the Awards granted
under the foregoing provisions of this Section 6 as Performance Awards. The Committee may use such business criteria and other measures of performance as it may deem appropriate in establishing any performance goals
applicable to a Performance Award, and may exercise its discretion to reduce or increase the amounts payable under any Performance Award, except as limited under Section 6(k)(i). Performance goals may differ among Performance Awards granted
to any one Participant or to different Participants. The performance period applicable to any Performance Award shall be set by the Committee in its discretion but shall not exceed ten years. 

(i) Section 162(m) Awards. If the Committee determines in its discretion that a Performance Award granted to a Covered Employee shall
be designated as a Section 162(m) Award, the grant, exercise, vesting and/or settlement of such Performance Award shall be contingent upon achievement of a pre-established performance goal or goals and other
terms set forth in this Section 6(k)(i); provided, however, that nothing in this Section 6(k) or elsewhere in the Plan shall be interpreted as preventing the Committee from granting Performance Awards or other Awards
to Covered Employees that are not intended to constitute Section 162(m) Awards or from determining that it is no longer necessary or appropriate for a Section 162(m) Award to qualify as such. 

(A) Performance Goals Generally. The performance goals for Section 162(m) Awards shall consist of one or more business criteria and a
targeted level or levels of performance with respect to each of such criteria as specified by the Committee. Performance goals shall be objective and shall otherwise meet the requirements of Section 162(m), including the requirement that the level
or levels of performance targeted by the Committee must be “substantially uncertain” at the time the Committee actually establishes the performance goal or goals. 

(B) Business Criteria for Performance Goals. One or more of the following business criteria for the Company, on a consolidated basis,
and/or for specified subsidiaries, business or geographical units or operating areas of the Company (except with respect to the total stockholder return and earnings per share criteria), shall be used by the Committee in establishing performance
goals for Section 162(m) Awards: (1) revenues, sales or other income; (2) free cash flow, discretionary cash flow, cash flows from operations, cash flows from investing activities, and/or cash flows from financing activities;
(3) return on net assets, return on assets, return on investment, return on capital, return on capital employed or return on equity; (4) income, operating income or net income; (5) earnings or earnings margin determined before or
after any one or more of depletion, depreciation and amortization expense; impairment of inventory and other property and equipment; accretion of discount on asset retirement obligations; interest expense; net gain or loss on the disposition of
assets; income or loss from discontinued operations, net of tax; noncash derivative related activity; amortization of stock-based compensation; income taxes; or other items (including but not limited to EBITDA and Adjusted EBITDA); (6) equity; net
worth; tangible net worth; book capitalization; debt; debt, net of cash and cash equivalents; capital budget or other balance sheet goals; (7) debt or equity financings or improvement of financial ratings or leverage ratios; (8) general
and administrative expenses; (9), capital expenditures, operating costs or base operating costs; (10) net asset value; (11) Fair Market Value of the Stock, share price, share price appreciation, total stockholder return or payments of
dividends; (12) achievement of savings from business improvement projects and achievement of capital projects deliverables; (13) working capital or working capital changes; (14) operating profit or net operating profit;
(15) internal research or development programs; (16) geographic business expansion; (17) corporate development (including licenses, innovation, research or establishment of third party collaborations); (18) performance against
environmental, ethics or sustainability targets; (19) safety performance and/or incident rate; (20) human resources management targets, including medical cost reductions, employee satisfaction or retention, workforce diversity and time to
hire; (21) satisfactory internal or external audits; (22) consummation, implementation or completion of a Change in Control or other strategic partnerships, transactions, projects, processes or initiatives or other goals relating to
acquisitions 

  
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or divestitures (in whole or in part), joint ventures or strategic alliances; (23) regulatory approvals or other regulatory milestones; (24) legal compliance or risk reduction;
(25) market share; (26) economic value added; (27) cost reduction targets; (28) total revenue days; (29) operating ratios or metrics; or (30) customer acquisition or customer retention. Any of the above goals may be
determined pre-tax or post-tax, on an absolute or relative basis, as compared to the performance of a published or special index deemed applicable by the Committee
including the Standard & Poor’s 500 Stock Index or a group of comparable companies, as a ratio with other business criteria, as a ratio over a period of time or on a per unit of measure (such as per day), on a per-share basis (basic or diluted), and on a basis of continuing operations only. The terms above may, but shall not be required to be, used as applied under generally accepted accounting principles, as applicable.

 (C) Effect of Certain Events. The Committee may, at the time the performance goals in respect of a Section 162(m) Award are
established, provide for the manner in which actual performance and performance goals with regard to the business criteria selected will reflect the impact of specified events or occurrences during the relevant performance period, which may mean
excluding the impact of one or more events or occurrences, as specified by the Committee, for such performance period so long such events are objectively determinable. The adjustments described in this paragraph shall only be made, in each case, to
the extent that such adjustments in respect of a Section 162(m) Award would not cause the Section 162(m) Award to fail to qualify as “performance-based compensation” under Section 162(m). 

(D) Timing for Establishing Performance Goals. No later than 90 days after the beginning of any performance period applicable to a
Section 162(m) Award, or at such other date as may be required or permitted for “performance-based compensation” under Section 162(m), the Committee shall establish (i) the Eligible Persons who will be granted Section 162(m) Awards,
and (ii) the objective formula used to calculate the amount of cash or Stock payable, if any, under such Section 162(m) Awards, based upon the level of achievement of a performance goal or goals with respect to one or more of the business
criteria selected by the Committee from the list set forth in Section 6(k)(i)(B) and, if desired, the effect of any events set forth in Section 6(k)(i)(C). 

(E) Performance Award Pool. The Committee may establish an unfunded pool, with the amount of such pool calculated using an objective
formula based upon the level of achievement of one or more performance goals with respect to business criteria selected from the list set forth in Section 6(k)(i)(B) during the given performance period, as specified by the Committee in
accordance with Section 6(k)(i)(D). The Committee may specify the amount of the pool as a percentage of any of such business criteria, a percentage in excess of a threshold amount with respect to such business criteria, or as another amount
which need not bear a direct relationship to such business criteria but shall be objectively determinable and calculated based upon the level of achievement of pre-established goals with regard to the business
criteria. If a pool is established, the Committee shall also establish the maximum amount payable to each Covered Employee from the pool for each performance period. 

(F) Settlement or Payout of Awards; Other Terms. Except as otherwise permitted under Section 162(m), after the end of each performance
period and before 

  
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any Section 162(m) Award is settled or paid, the Committee shall certify the level of performance achieved with regard to each business criteria established with respect to each Section 162(m)
Award and shall determine the amount of cash or Stock, if any, payable to each Participant with respect to each Section 162(m) Award. The Committee may, in its discretion, reduce the amount of a payment or settlement otherwise to be made in
connection with a Section 162(m) Award, but may not exercise discretion to increase any such amount. 
 (G) Written Determinations.
With respect to each Section 162(m) Award, all determinations by the Committee as to (1) the establishment of performance goals and performance period with respect to the selected business criteria, (2) the establishment of the objective
formula used to calculate the amount of cash or Stock payable, if any, based on the level of achievement of such performance goals, and (3) the certification of the level of performance achieved during the performance period with regard to each
business criteria selected, shall each be made in writing. 
 (H) Options and SARs. Notwithstanding the foregoing provisions of this
Section 6(k)(i), Options and SARs with an Exercise Price or grant price not less than the Fair Market Value on the date of grant awarded to Covered Employees are intended to be Section 162(m) Awards even if not otherwise contingent upon
achievement of one or more pre-established performance goal or goals with respect to business criteria set forth in Section 6(k)(i)(B). 

(ii) Status of Section 162(m) Awards. The terms governing Section 162(m) Awards shall be interpreted in a manner consistent with
Section 162(m), in particular the prerequisites for qualification as “performance-based compensation,” and, if any provision of the Plan as in effect on the date of adoption of any Award Agreement relating to a Section 162(m) Award does
not comply or is inconsistent with the requirements of Section 162(m), such provision shall be construed or deemed amended to the extent necessary to conform to such requirements. Notwithstanding anything to the contrary in Section 6(k)(i) or
elsewhere in the Plan, the Company intends to rely on the transition relief set forth in Treasury Regulation § 1.162-27(f), which may be relied upon until the earliest to occur of (i) the material
modification of the Plan within the meaning of Treasury Regulation § 1.162-27(h)(1)(iii); (ii) the delivery of the total number of shares of Stock set forth in Section 4(a); or (iii) the first
meeting of stockholders of the Company at which directors are to be elected that occurs after December 31, 2020 (the “Transition Period”), and during the Transition Period, Awards granted to Covered Employees under the
Plan shall only be required to comply with the applicable transition relief described in Treasury Regulation § 1.162-27(f). 

7. Certain Provisions Applicable to Awards. 

(a) Limit on Transfer of Awards. 

(i) Except as provided in Sections 7(a)(iii) and (iv), each Option and SAR shall be exercisable only by the Participant during
the Participant’s lifetime, or by the person to whom the Participant’s rights shall pass by will or the laws of descent and distribution. Notwithstanding anything to the contrary in this Section 7(a), an ISO shall not be
transferable other than by will or the laws of descent and distribution. 

  
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 (ii) Except as provided in Sections 7(a)(i), (iii) and (iv), no Award,
other than a Stock Award, and no right under any such Award, may be assigned, alienated, pledged, attached, sold or otherwise transferred or encumbered by a Participant and any such purported assignment, alienation, pledge, attachment, sale,
transfer or encumbrance shall be void and unenforceable against the Company or any Affiliate. 
 (iii) To the extent specifically provided
by the Committee, an Award may be transferred by a Participant without consideration to immediate family members or related family trusts, limited partnerships or similar entities or on such terms and conditions as the Committee may from time to
time establish. 
 (iv) An Award may be transferred pursuant to a domestic relations order entered or approved by a court of competent
jurisdiction upon delivery to the Company of a written request for such transfer and a certified copy of such order. 
 (b) Form and
Timing of Payment under Awards; Deferrals. Subject to the terms of the Plan and any applicable Award Agreement, payments to be made by the Company or any of its Affiliates upon the exercise or settlement of an Award may be made in such forms as
the Committee shall determine in its discretion, including cash, Stock, other Awards or other property, and may be made in a single payment or transfer, in installments, or on a deferred basis (which may be required by the Committee or permitted at
the election of the Participant on terms and conditions established by the Committee); provided, however, that any such deferred or installment payments will be set forth in the Award Agreement. Payments may include, without
limitation, provisions for the payment or crediting of reasonable interest on installment or deferred payments or the grant or crediting of Dividend Equivalents or other amounts in respect of installment or deferred payments denominated in Stock.

 (c) Evidencing Stock. The Stock or other securities of the Company delivered pursuant to an Award may be evidenced in any manner
deemed appropriate by the Committee in its sole discretion, including in the form of a certificate issued in the name of the Participant or by book entry, electronic or otherwise, and shall be subject to such stop transfer orders and other
restrictions as the Committee may deem advisable under the Plan or the rules, regulations, and other requirements of the SEC, any stock exchange upon which such Stock or other securities are then listed, and any applicable federal, state or other
laws, and the Committee may cause a legend or legends to be inscribed on any such certificates to make appropriate reference to such restrictions. Further, if certificates representing Restricted Stock are registered in the name of the Participant,
the Company may retain physical possession of the certificates and may require that the Participant deliver a stock power to the Company, endorsed in blank, related to the Restricted Stock. 

(d) Consideration for Grants. Awards may be granted for such consideration, including services, as the Committee shall determine, but
shall not be granted for less than the minimum lawful consideration. 
 (e) Additional Agreements. Each Eligible Person to whom an
Award is granted under the Plan may be required to agree in writing, as a condition to the grant of such Award or otherwise, to subject an Award that is exercised or settled following such Eligible 

  
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Person’s termination of employment or service to a general release of claims and/or a noncompetition or other restricted covenant agreement in favor of the Company and its Affiliates, with
the terms and conditions of such agreement(s) to be determined in good faith by the Committee. 
 8. Subdivision or Consolidation;
Recapitalization; Change in Control; Reorganization. 
 (a) Existence of Plans and Awards. The existence of the Plan and the
Awards granted hereunder shall not affect in any way the right or power of the Company, the Board or the stockholders of the Company to make or authorize any adjustment, recapitalization, reorganization or other change in the Company’s capital
structure or its business, any merger or consolidation of the Company, any issue of debt or equity securities ahead of or affecting Stock or the rights thereof, the dissolution or liquidation of the Company or any sale, lease, exchange or other
disposition of all or any part of its assets or business or any other corporate act or proceeding. 
 (b) Additional Issuances.
Except as expressly provided herein, the issuance by the Company of shares of stock of any class, including upon conversion of shares or obligations of the Company convertible into such shares or other securities, and in any case whether or not for
fair value, shall not affect, and no adjustment by reason thereof shall be made with respect to, the number of shares of Stock subject to Awards theretofore granted or the purchase price per share of Stock, if applicable. 

(c) Subdivision or Consolidation of Shares. The terms of an Award and the share limitations under the Plan shall be subject to
adjustment by the Committee from time to time, in accordance with the following provisions: 
 (i) If at any time, or from time to time,
the Company shall subdivide as a whole (by reclassification, by a Stock split, by the issuance of a distribution on Stock payable in Stock, or otherwise) the number of shares of Stock then outstanding into a greater number of shares of Stock or in
the event the Company distributes an extraordinary cash dividend, then, as appropriate (A) the maximum number of shares of Stock available for delivery with respect to Awards and applicable limitations with respect to Awards provided in
Section 4 and Section 5 (other than cash limits) shall be increased proportionately, and the kind of shares or other securities available for the Plan shall be appropriately adjusted, (B) the
number of shares of Stock (or other kind of shares or securities) that may be acquired under any then outstanding Award shall be increased proportionately, and (C) the price (including the Exercise Price or grant price) for each share of Stock
(or other kind of shares or securities) subject to then outstanding Awards shall be reduced proportionately, without changing the aggregate purchase price or value as to which outstanding Awards remain exercisable or subject to restrictions;
provided, however, that in the case of an extraordinary cash dividend that is not an Adjustment Event, the adjustment to the number of shares of Stock and the Exercise Price or grant price, as applicable, with respect to an outstanding Option or SAR
may be made in such other manner as the Committee may determine that is permitted pursuant to applicable tax and other laws, rules and regulations. 

  
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 (ii) If at any time, or from time to time, the Company shall consolidate as a whole (by
reclassification, by reverse Stock split, or otherwise) the number of shares of Stock then outstanding into a lesser number of shares of Stock, then, as appropriate (A) the maximum number of shares of Stock available for delivery with
respect to Awards and applicable limitations with respect to Awards provided in Section 4 and Section 5 (other than cash limits) shall be decreased proportionately, and the kind of shares or other
securities available for the Plan shall be appropriately adjusted, (B) the number of shares of Stock (or other kind of shares or securities) that may be acquired under any then outstanding Award shall be decreased proportionately, and
(C) the price (including the Exercise Price or grant price) for each share of Stock (or other kind of shares or securities) subject to then outstanding Awards shall be increased proportionately, without changing the aggregate purchase price or
value as to which outstanding Awards remain exercisable or subject to restrictions. 
 (d) Recapitalization. In the event of any
change in the capital structure or business of the Company or other corporate transaction or event that would be considered an “equity restructuring” within the meaning of ASC Topic 718 and, in each case, that would result in an additional
compensation expense to the Company pursuant to the provisions of ASC Topic 718, if adjustments to Awards with respect to such event were discretionary or otherwise not required (each such an event, an “Adjustment Event”),
then the Committee shall equitably adjust (i) the aggregate number or kind of shares that thereafter may be delivered under the Plan, (ii) the number or kind of shares or other property (including cash) subject to an Award, (iii) the
terms and conditions of Awards, including the purchase price or Exercise Price of Awards and performance goals, as applicable, and (iv) the applicable limitations with respect to Awards provided in Section 4 and
Section 5 (other than cash limits) to equitably reflect such Adjustment Event (“Equitable Adjustments”). In the event of any change in the capital structure or business of the Company or other
corporate transaction or event that would not be considered an Adjustment Event, and is not otherwise addressed in this Section 8, the Committee shall have complete discretion to make Equitable Adjustments (if any) in such
manner as it deems appropriate with respect to such other event. 
 (e) Change in Control and Other Events. Except to the extent
otherwise provided in any applicable Award Agreement, vesting of any Award shall not occur solely upon the occurrence of a Change in Control and, in the event of a Change in Control or other changes in the Company or the outstanding Stock by reason
of a recapitalization, reorganization, merger, consolidation, combination, exchange or other relevant change occurring after the date of the grant of any Award, the Committee, acting in its sole discretion without the consent or approval of any
holder, may exercise any power enumerated in Section 3 (including the power to accelerate vesting, waive any forfeiture conditions or otherwise modify or adjust any other condition or limitation regarding an Award) and may
also effect one or more of the following alternatives, which may vary among individual holders and which may vary among Awards held by any individual holder: 

(i) accelerate the time of exercisability of an Award so that such Award may be exercised in full or in part for a limited period of time on or
before a date specified by the Committee, after which specified date all unexercised Awards and all rights of holders thereunder shall terminate; 

  
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 (ii) redeem in whole or in part outstanding Awards by requiring the mandatory surrender to the
Company by selected holders of some or all of the outstanding Awards held by such holders (irrespective of whether such Awards are then vested or exercisable) as of a date, specified by the Committee, in which event the Committee shall thereupon
cancel such Awards and pay to each holder an amount of cash or other consideration per Award (other than a Dividend Equivalent or Cash Award, which the Committee may separately require to be surrendered in exchange for cash or other consideration
determined by the Committee in its discretion) equal to the Change in Control Price, less the Exercise Price with respect to an Option and less the grant price with respect to a SAR, as applicable to such Awards; provided, however,
that to the extent the Exercise Price of an Option or the grant price of an SAR exceeds the Change in Control Price, such Award may be cancelled for no consideration; 

(iii) cancel Awards that remain subject to a restricted period as of the date of a Change in Control or other such event without payment of any
consideration to the Participant for such Awards; or 
 (iv) make such adjustments to Awards then outstanding as the Committee deems
appropriate to reflect such Change in Control or other such event (including the substitution, assumption, or continuation of Awards by the successor company or a parent or subsidiary thereof); 

provided, however, that so long as the event is not an Adjustment Event, the Committee may determine in its sole discretion that no adjustment
is necessary to Awards then outstanding. If an Adjustment Event occurs, this Section 8(e) shall only apply to the extent it is not in conflict with Section 8(d). 

9. General Provisions. 

(a) Tax Withholding. The Company and any of its Affiliates are authorized to withhold from any Award granted, or any payment relating
to an Award, including from a distribution of Stock, taxes due or potentially payable in connection with any transaction involving an Award, and to take such other action as the Committee may deem advisable to enable the Company, its Affiliates and
Participants to satisfy the payment of withholding taxes and other tax obligations relating to any Award in such amounts as may be determined by the Committee. The Committee shall determine, in its sole discretion, the form of payment acceptable for
such tax withholding obligations, including the delivery of cash or cash equivalents, Stock (including previously owned shares, net settlement, a broker-assisted sale, or other cashless withholding or reduction of the amount of shares otherwise
issuable or delivered pursuant to the Award), other property, or any other legal consideration the Committee deems appropriate. Any determination made by the Committee to allow a Participant who is subject to Rule
16b-3 to pay taxes with shares of Stock through net settlement or previously owned shares shall be approved by either a committee made up of solely two or more Qualified Members or the full Board. If such tax
withholding amounts are satisfied through net settlement or previously owned shares, the maximum number of shares of Stock that may be so withheld or surrendered shall be the number of shares of Stock that have an aggregate Fair Market Value on the
date of withholding or surrender equal to the aggregate amount of such tax liabilities 

  
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determined based on the greatest withholding rates for federal, state, foreign and/or local tax purposes, including payroll taxes, that may be utilized without creating adverse accounting
treatment for the Company with respect to such Award, as determined by the Committee. 
 (b) Limitation on Rights Conferred under
Plan. Neither the Plan nor any action taken hereunder shall be construed as (i) giving any Eligible Person or Participant the right to continue as an Eligible Person or Participant or in the employ or service of the Company or any of its
Affiliates, (ii) interfering in any way with the right of the Company or any of its Affiliates to terminate any Eligible Person’s or Participant’s employment or service relationship at any time, (iii) giving an Eligible Person or
Participant any claim to be granted any Award under the Plan or to be treated uniformly with other Participants and/or employees and/or other service providers, or (iv) conferring on a Participant any of the rights of a stockholder of the
Company unless and until the Participant is duly issued or transferred shares of Stock in accordance with the terms of an Award. 
 (c)
Governing Law; Submission to Jurisdiction. All questions arising with respect to the provisions of the Plan and Awards shall be determined by application of the laws of the State of Delaware, without giving effect to any conflict of law
provisions thereof, except to the extent Delaware law is preempted by federal law. The obligation of the Company to sell and deliver Stock hereunder is subject to applicable federal and state laws and to the approval of any governmental authority
required in connection with the authorization, issuance, sale, or delivery of such Stock. With respect to any claim or dispute related to or arising under the Plan, the Company and each
Participant who accepts an Award hereby consent to the exclusive jurisdiction, forum and venue of the state and federal courts located in Texas. 

(d) Severability and Reformation. If any provision of the Plan or any Award is or becomes or is deemed to be invalid, illegal, or
unenforceable in any jurisdiction or as to any person or Award, or would disqualify the Plan or any Award under any law deemed applicable by the Committee, such provision shall be construed or deemed amended to conform to the applicable law or, if
it cannot be construed or deemed amended without, in the determination of the Committee, materially altering the intent of the Plan or the Award, such provision shall be stricken as to such jurisdiction, person or Award and the remainder of the Plan
and any such Award shall remain in full force and effect. If any of the terms or provisions of the Plan or any Award Agreement conflict with the requirements of Rule 16b-3 (as those terms or provisions are
applied to Eligible Persons who are subject to Section 16 of the Exchange Act), Section 162(m) (with respect to any Section 162(m) Award) or Section 422 of the Code (with respect to ISOs), then those conflicting terms or provisions shall
be deemed inoperative to the extent they so conflict with the requirements of Rule 16b-3 or Section 162(m) (unless the Board or the Committee, as appropriate, has expressly determined that the Plan or such
Award should not comply with Rule 16b-3 or Section 162(m)) or Section 422 of the Code, in each case, only to the extent Rule 16b-3 and such sections of the Code are
applicable. With respect to ISOs, if the Plan does not contain any provision required to be included herein under Section 422 of the Code, that provision shall be deemed to be incorporated herein with the same force and effect as if that
provision had been set out at length herein; provided, further, that, to the extent any Option that is intended to qualify as an ISO cannot so qualify, that Option (to that extent) shall be deemed a Nonstatutory Option for all purposes of the
Plan. 

  
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 (e) Unfunded Status of Awards; No Trust or Fund Created. The Plan is intended to
constitute an “unfunded” plan for certain incentive awards. Neither the Plan nor any Award shall create or be construed to create a trust or separate fund of any kind or a fiduciary relationship between the Company or any Affiliate and a
Participant or any other person. To the extent that any person acquires a right to receive payments from the Company or any Affiliate pursuant to an Award, such right shall be no greater than the right of any general unsecured creditor of the
Company or such Affiliate. 
 (f) Nonexclusivity of the Plan. Neither the adoption of the Plan by the Board nor its submission to the
stockholders of the Company for approval shall be construed as creating any limitations on the power of the Board or a committee thereof to adopt such other incentive arrangements as it may deem desirable, including incentive arrangements and awards
which do not constitute “performance-based compensation” under Section 162(m). Nothing contained in the Plan shall be construed to prevent the Company or any of its Affiliates from taking any corporate action which is deemed by the Company
or such Affiliate to be appropriate or in its best interest, whether or not such action would have an adverse effect on the Plan or any Award made under the Plan. No employee, beneficiary or other person shall have any claim against the Company or
any of its Affiliates as a result of any such action. 
 (g) Fractional Shares. No fractional shares of Stock shall be issued or
delivered pursuant to the Plan or any Award, and the Committee shall determine in its sole discretion whether cash, other securities, or other property shall be paid or transferred in lieu of any fractional shares of Stock or whether such fractional
shares of Stock or any rights thereto shall be cancelled, terminated, or otherwise eliminated with or without consideration. 
 (h)
Interpretation. Headings are given to the Sections and subsections of the Plan solely as a convenience to facilitate reference. Such headings shall not be deemed in any way material or relevant to the construction or interpretation of the
Plan or any provision thereof. Words in the masculine gender shall include the feminine gender, and, where appropriate, the plural shall include the singular and the singular shall include the plural. In the event of any conflict between the terms
and conditions of an Award Agreement and the Plan, the provisions of the Plan shall control. The use herein of the word “including” following any general statement, term or matter shall not be construed to limit such statement, term or
matter to the specific items or matters set forth immediately following such word or to similar items or matters, whether or not non-limiting language (such as “without limitation”, “but not
limited to”, or words of similar import) is used with reference thereto, but rather shall be deemed to refer to all other items or matters that could reasonably fall within the broadest possible scope of such general statement, term or matter.
References herein to any agreement, instrument or other document means such agreement, instrument or other document as amended, supplemented and modified from time to time to the extent permitted by the provisions thereof and not prohibited by the
Plan. 
 (i) Facility of Payment. Any amounts payable hereunder to any individual under legal disability or who, in the judgment of
the Committee, is unable to manage properly his financial affairs, may be paid to the legal representative of such individual, or may be applied for the benefit of such individual in any manner that the Committee may select, and the Company shall be
relieved of any further liability for payment of such amounts. 

  
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 (j) Conditions to Delivery of Stock. Nothing herein or in any Award Agreement shall
require the Company to issue any shares with respect to any Award if that issuance would, in the opinion of counsel for the Company, constitute a violation of the Securities Act, any other applicable statute or regulation, or the rules of any
applicable securities exchange or securities association, as then in effect. In addition, each Participant who receives an Award under the Plan shall not sell or otherwise dispose of Stock that is acquired upon grant, exercise or vesting of an Award
in any manner that would constitute a violation of any applicable federal or state securities laws, the Plan or the rules, regulations or other requirements of the SEC or any stock exchange upon which the Stock is then listed. At the time of any
exercise of an Option or SAR, or at the time of any grant of any other Award, the Company may, as a condition precedent to the exercise of such Option or SAR or settlement of any other Award, require from the Participant (or in the event of his or
her death, his or her legal representatives, heirs, legatees, or distributees) such written representations, if any, concerning the holder’s intentions with regard to the retention or disposition of the shares of Stock being acquired pursuant
to the Award and such written covenants and agreements, if any, as to the manner of disposal of such shares as, in the opinion of counsel to the Company, may be necessary to ensure that any disposition by that holder (or in the event of the
holder’s death, his or her legal representatives, heirs, legatees, or distributees) will not involve a violation of the Securities Act, any other applicable state or federal statute or regulation, or any rule of any applicable securities
exchange or securities association, as then in effect. Stock or other securities shall not be delivered pursuant to any Award until payment in full of any amount required to be paid pursuant to the Plan or the applicable Award Agreement (including
any Exercise Price, grant price, or tax withholding) is received by the Company. 
 (k) Section 409A of the Code. It is the general
intention, but not the obligation, of the Committee to design Awards to comply with or to be exempt from the Nonqualified Deferred Compensation Rules, and Awards will be operated and construed accordingly. Neither this Section 9(k) nor any
other provision of the Plan is or contains a representation to any Participant regarding the tax consequences of the grant, vesting, exercise, settlement, or sale of any Award (or the Stock underlying such Award) granted hereunder, and should not be
interpreted as such. In no event shall the Company be liable for all or any portion of any taxes, penalties, interest or other expenses that may be incurred by the Participant on account of non-compliance with
the Nonqualified Deferred Compensation Rules. Notwithstanding any provision in the Plan or an Award Agreement to the contrary, in the event that a “specified employee” (as defined under the Nonqualified Deferred Compensation Rules) becomes
entitled to a payment under an Award that would be subject to additional taxes and interest under the Nonqualified Deferred Compensation Rules if the Participant’s receipt of such payment or benefits is not delayed until the earlier of
(i) the date of the Participant’s death, or (ii) the date that is six months after the Participant’s “separation from service,” as defined under the Nonqualified Deferred Compensation Rules (such date, the
“Section 409A Payment Date”), then such payment or benefit shall not be provided to the Participant until the Section 409A Payment Date. Any amounts subject to the preceding sentence that would otherwise be payable prior
to the Section 409A Payment Date will be aggregated and paid in a lump sum without interest on the Section 409A Payment Date. The applicable provisions of the Nonqualified Deferred Compensation Rules are hereby incorporated by reference and shall
control over any Plan or Award Agreement provision in conflict therewith. 

  
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 (l) Clawback. The Plan and all Awards granted hereunder are subject to any written
clawback policies that the Company, with the approval of the Board or an authorized committee thereof, may adopt either prior to or following the Effective Date, including any policy adopted to conform to the Dodd-Frank Wall Street Reform and
Consumer Protection Act of 2010 and rules promulgated thereunder by the SEC and that the Company determines should apply to Awards. Any such policy may subject a Participant’s Awards and amounts paid or realized with respect to Awards to
reduction, cancelation, forfeiture or recoupment if certain specified events or wrongful conduct occur, including an accounting restatement due to the Company’s material noncompliance with financial reporting regulations or other events or
wrongful conduct specified in any such clawback policy. 
 (m) Status under ERISA. The Plan shall not constitute an “employee
benefit plan” for purposes of Section 3(3) of the Employee Retirement Income Security Act of 1974, as amended. 
 (n) Plan
Effective Date and Term. The Plan was adopted by the Board to be effective on the Effective Date. No Awards may be granted under the Plan on and after the tenth anniversary of the Effective Date. However, any Award granted prior to such
termination (or any earlier termination pursuant to Section 10), and the authority of the Board or Committee to amend, alter, adjust, suspend, discontinue, or terminate any such Award or to waive any conditions or rights
under such Award in accordance with the terms of the Plan, shall extend beyond such termination until the final disposition of such Award. 

10. Amendments to the Plan and Awards. The Committee may amend, alter, suspend, discontinue or terminate any Award or Award Agreement,
the Plan or the Committee’s authority to grant Awards without the consent of stockholders or Participants, except that any amendment or alteration to the Plan, including any increase in any share limitation, shall be subject to the approval of
the Company’s stockholders not later than the annual meeting next following such Committee action if such stockholder approval is required by any federal or state law or regulation or the rules of any stock exchange or automated quotation
system on which the Stock may then be listed or quoted, and the Committee may otherwise, in its discretion, determine to submit other changes to the Plan to stockholders for approval; provided, that, without the consent of an affected
Participant, no such Committee action may materially and adversely affect the rights of such Participant under any previously granted and outstanding Award. For purposes of clarity, any adjustments made to Awards pursuant to
Section 8 will be deemed not to materially and adversely affect the rights of any Participant under any previously granted and outstanding Award and therefore may be made without the consent of affected Participants. 

  
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