EX-4.3



 Exhibit 4.3 

NCS MULTISTAGE HOLDINGS, INC. 

2017 EQUITY INCENTIVE PLAN 

1.    Purpose. 

The purpose of the NCS Multistage Holdings, Inc. 2017 Equity Incentive Plan is to further align the interests of eligible participants with
those of the Company’s stockholders by providing long-term incentive compensation opportunities tied to the performance of the Company and its Common Stock. The Plan is intended to advance the interests of the Company and increase stockholder
value by attracting, retaining and motivating key personnel upon whose judgment, initiative and effort the successful conduct of the Company’s business is largely dependent. 

2.    Definitions. Wherever the following capitalized terms are used in the Plan and/or Award Agreement (as defined
below), they shall have the meanings specified below: 
 “Award” means an award of a Stock Option, Stock Appreciation
Right, Restricted Stock Award, Restricted Stock Unit, Cash Performance Award or Stock Award granted under the Plan. 
 “Award
Agreement” means a notice or an agreement entered into between the Company and a Participant setting forth the terms and conditions of an Award granted to a Participant as provided in Section 15.2 hereof. 

“Beneficial Owner” shall have the meaning ascribed to such term in Rule 13d-3 under
the Exchange Act. 
 “Board” means the Board of Directors of the Company. 

“Cash Performance Award” means an Award that is denominated by a cash amount to an Eligible Person under
Section 10 hereof and payable based on or conditioned upon the attainment of pre-established business and/or individual Performance Goals over a specified performance period. 

“Cause” shall have the meaning set forth in Section 13.2 hereof. 

“Change of Control” shall have the meaning set forth in Section 12.2 hereof. 

“Code” means the Internal Revenue Code of 1986, as amended. 

“Committee” means (i) the Compensation Committee of the Board, (ii) such other committee of the Board appointed by
the Board to administer the Plan or (iii) the Board, as determined by the Board. 
 “Common Stock” means the
Company’s common stock, par value $0.01 per share. 







 “Company” means NCS Multistage Holdings, Inc., a Delaware corporation or any
successor thereto. 
 “Date of Grant” means the date on which an Award under the Plan is granted by the Committee or such
later date as the Committee may specify to be the effective date of an Award. 
 “Disability” shall mean, unless otherwise
defined in an individual Award Agreement, the Participant has been unable to perform the essential duties, responsibilities and functions of Participant’s position with the Company and its subsidiaries by reason of any medically determinable
physical or mental impairment for 180 days in any one (1) year period and has qualified to receive long-term disability payments under the Company’s long-term disability policy, as may be in effect from time to time. Participant shall
cooperate in all respects with the Company if a question arises as to whether he has become subject to a Disability (including, without limitation, submitting to reasonable examinations by one or more medical doctors and other health care
specialists selected by the Company and authorizing such medical doctors and other health care specialists to discuss Participant’s condition with the Company). Notwithstanding the foregoing, in the event that a Participant is party to an
employment, severance or similar agreement with the Company or any of its affiliates and such agreement contains a definition of “Disability,” the definition of “Disability” set forth above shall be deemed replaced and
superseded, with respect to such Participant, by the definition of “Disability” used in such employment, severance or similar agreement. 

“Effective Date” shall have the meaning set forth in Section 16.1 hereof. 

“Eligible Person” means any person who is an employee, Non-Employee Director,
consultant or other personal service provider of the Company or any of its Subsidiaries. 
 “Exchange Act” means the
Securities Exchange Act of 1934, as amended. 
 “Excluded Persons” means Advent International Corporation and its
affiliates. 
 “Fair Market Value” means, with respect to a share of Common Stock as of a given date of determination
hereunder, for purposes of determining the exercise price per share of a Stock Option and the base price of a Stock Appreciation Right, (i) the closing price as reported on the NASDAQ or other principal exchange on which the Common Stock is
then listed on such date, or if the Common Stock was not traded on such date, then on the next preceding trading day that the Common Stock was traded on such exchange, as reported by such responsible reporting service as the Committee may select or
(ii) the initial public offering price of a share of Common Stock for grants of such Awards made in connection with the Company’s initial public offering. For all other purposes, “Fair Market Value” shall be such value as
determined by the Board in its discretion and, to the extent necessary, shall be determined in a manner consistent with Section 409A of the Code and the regulations thereunder. 

“Incentive Stock Option” means a Stock Option granted under Section 6 hereof that is intended to meet the requirements
of Section 422 of the Code and the regulations thereunder. 

  
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 “Non-Employee Director” means a
member of the Board who is not an employee of the Company or any of its Subsidiaries. 
 “Nonqualified Stock Option” means
a Stock Option granted under Section 6 hereof that is not an Incentive Stock Option. 
 “Participant” means any
Eligible Person who holds an outstanding Award under the Plan. 
 “Performance Criteria” shall have the meaning set forth
in Section 10.3 hereof. 
 “Performance Goals” shall have the meaning set forth in Section 10.4 hereof.

 “Performance Stock Unit” means a Restricted Stock Unit designated as a Performance Stock Unit under Section 9.1
hereof, to be paid or distributed based on or conditioned upon the attainment of pre-established business and/or individual Performance Goals over a specified performance period. 

“Person” shall have the meaning ascribed to such term in Section 3(a)(9) of the Exchange Act and used in Sections 13(d) and
14(d) thereof, including a “group” as defined in Section 13(d) thereof. 
 “Plan” means the NCS Multistage
Holdings, Inc. 2017 Equity Incentive Plan as set forth herein, effective and as may be amended from time to time, as provided herein, and includes any sub-plan or appendix that may be created and approved by
the Board to allow Eligible Persons of Subsidiaries to participate in the Plan. 
 “Restricted Stock Award” means a grant
of shares of Common Stock to an Eligible Person under Section 8 hereof that are issued subject to such vesting and transfer restrictions as the Committee shall determine, and such other conditions, as are set forth in the Plan and the
applicable Award Agreement. 
 “Restricted Stock Unit” means a contractual right granted to an Eligible Person under
Section 9 hereof representing notional unit interests equal in value to a share of Common Stock to be paid or distributed at such times, and subject to such conditions, as set forth in the Plan and the applicable Award Agreement. 

“Securities Act” means the Securities Act of 1933, as amended, and the rules and regulations promulgated thereunder, as the
same may be amended from time to time. 
 “Service” means a Participant’s employment with the Company or any
Subsidiary or a Participant’s service as a Non-Employee Director, consultant or other service provider with the Company or any Subsidiary, as applicable. 

“Stock Appreciation Right” means a contractual right granted to an Eligible Person under Section 7 hereof entitling such
Eligible Person to receive a payment, representing the excess of the Fair Market Value of a share of Common Stock over the base price per share of the right, at such time, and subject to such conditions, as are set forth in the Plan and the
applicable Award Agreement. 

  
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 “Stock Award” means a grant of shares of Common Stock to an Eligible Person
under Section 11 hereof. 
 “Stock Option” means a contractual right granted to an Eligible Person under
Section 6 hereof to purchase shares of Common Stock at such time and price, and subject to such conditions, as are set forth in the Plan and the applicable Award Agreement. 

“Subsidiary” means an entity (whether or not a corporation) that is wholly or majority owned or controlled, directly
or indirectly, by the Company or any other affiliate of the Company that is so designated, from time to time, by the Committee, during the period of such affiliated status; provided, however, that with respect to Incentive Stock
Options, the term “Subsidiary” shall include only an entity that qualifies under Section 424(f) of the Code as a “subsidiary corporation” with respect to the Company. 

3.    Administration. 

3.1    Committee Members. The Plan shall be administered by a Committee comprised of no fewer than two members of
the Board who are appointed by the Board to administer the Plan. To the extent deemed necessary by the Board, each Committee member shall satisfy the requirements for (i) an “independent director” under rules adopted by the NASDAQ or
other principal exchange on which the Common Stock is then listed, (ii) a “nonemployee director” within the meaning of Rule 16b-3 under the Exchange Act and (iii) an “outside
director” under Section 162(m) of the Code. Notwithstanding the foregoing, the mere fact that a Committee member shall fail to qualify under any of the foregoing requirements shall not invalidate any Award made by the Committee which Award
is otherwise validly made under the Plan. Neither the Company nor any member of the Committee shall be liable for any action or determination made in good faith by the Committee with respect to the Plan or any Award thereunder. 

3.2    Committee Authority. The Committee shall have all powers and discretion necessary or appropriate to
administer the Plan and to control its operation, including, but not limited to, the power to (i) determine the Eligible Persons to whom Awards shall be granted under the Plan, (ii) prescribe the restrictions, terms and conditions of all
Awards, (iii) interpret the Plan and terms of the Awards, (iv) adopt rules for the administration, interpretation and application of the Plan as are consistent therewith, and interpret, amend or revoke any such rules, (v) make all
determinations with respect to a Participant’s Service and the termination of such Service for purposes of any Award, (vi) correct any defect(s) or omission(s) or reconcile any ambiguity(ies) or inconsistency(ies) in the Plan or any Award
thereunder, (vii) make all determinations it deems advisable for the administration of the Plan, (viii) decide all disputes arising in connection with the Plan and to otherwise supervise the administration of the Plan, (ix) subject to
the terms of the Plan, amend the terms of an Award in any manner that is not inconsistent with the Plan, (x) accelerate the vesting or, to the extent applicable, exercisability of any Award at any time (including, but not limited to, upon a
Change of Control or upon termination of Service under certain circumstances, as set forth in the Award Agreement or otherwise), and (xi) adopt such procedures, modifications or subplans as are necessary or


  
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appropriate to permit participation in the Plan by Eligible Persons who are foreign nationals or employed outside of the United States. The Committee’s determinations under the Plan need not
be uniform and may be made by the Committee selectively among Participants and Eligible Persons, whether or not such persons are similarly situated. The Committee shall, in its discretion, consider such factors as it deems relevant in making its
interpretations, determinations and actions under the Plan including, without limitation, the recommendations or advice of any officer or employee of the Company or board of directors of a Subsidiary or such attorneys, consultants, accountants or
other advisors as it may select. All interpretations, determinations, and actions by the Committee shall be final, conclusive, and binding upon all parties. 

3.3    Delegation of Authority. The Committee shall have the right, from time to time, to delegate in writing to
one or more officers of the Company the authority of the Committee to grant and determine the terms and conditions of Awards granted under the Plan, subject to the requirements of Section 157(c) of the Delaware General Corporation Law (or any
successor provision) or such other limitations as the Committee shall determine. In no event shall any such delegation of authority be permitted with respect to Awards granted to any member of the Board or to any Eligible Person who is subject to
Rule 16b-3 under the Exchange Act or is a covered employee under Section 162(m) of the Code. The Committee shall also be permitted to delegate, to any appropriate officer or employee of the Company,
responsibility for performing certain ministerial functions under the Plan. In the event that the Committee’s authority is delegated to officers or employees in accordance with the foregoing, all provisions of the Plan relating to the Committee
shall be interpreted in a manner consistent with the foregoing by treating any such reference as a reference to such officer or employee for such purpose. Any action undertaken in accordance with the Committee’s delegation of authority
hereunder shall have the same force and effect as if such action was undertaken directly by the Committee and shall be deemed for all purposes of the Plan to have been taken by the Committee. 

4.    Shares Subject to the Plan. 

4.1    Number of Shares Reserved. Subject to adjustment as provided in Section 4.5 hereof, the total
number of Shares of Common Stock that are reserved for issuance under the Plan (the “Share Reserve”) shall equal 4,532,523 shares of Common Stock. Each share of Common Stock subject to an Award shall reduce the Share Reserve by one
share; provided, however, that Awards that are required to be paid in cash pursuant to their terms shall not reduce the Share Reserve. Any shares of Common Stock delivered under the Plan shall consist of authorized and unissued shares
or treasury shares. 
 4.2    Share Replenishment. To the extent that an Award granted under this Plan is
canceled, expired, forfeited, surrendered, settled by delivery of fewer shares of Common Stock than the number underlying the Award, as applicable, or otherwise terminated without delivery of the shares of Common Stock or payment of consideration to
the Participant under the Plan, the shares of Common Stock retained by or returned to the Company will (i) not be deemed to have been delivered under the Plan, as applicable, (ii) be available for future Awards under the Plan, and
(iii) increase the Share Reserve by one share for each share that is retained by or returned to the Company. Notwithstanding the foregoing, shares of Common Stock that are (a) withheld from an Award in payment of the exercise or purchase
price or taxes relating to such an Award or (b) not issued or delivered as a result of the net settlement of an outstanding Stock Option or Stock Appreciation Right under the Plan, as applicable, will be deemed to have been delivered under the
Plan and will not be available for future Awards under the Plan. 

  
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 4.3    Awards Granted to Eligible Persons Other Than Non-Employee Directors. For purposes of complying with the requirements of Section 162(m) of the Code, the maximum number of shares of Common Stock that may be subject to (i) Stock Options, (ii) Stock
Appreciation Rights, (iii) Restricted Stock Awards that vest in full or in part based on the attainment of Performance Goals, and (iv) Restricted Stock Units that vest in full or in part based on the attainment of Performance Goals, that
are granted to any Eligible Person other than a Non-Employee Director during any calendar year shall be limited to 450,000 shares of Common Stock for each such Award type individually (subject to adjustment as
provided in Section 4.5 hereof). 
 4.4    Awards Granted to
Non-Employee Directors. No Non-Employee Director may be granted, during any calendar year, Awards having a fair value (determined on the date of grant) that, when
added to all cash compensation paid to the Non-Employee Director during the same calendar year, exceeds $750,000. 

4.5    Adjustments. If there shall occur any change with respect to the outstanding shares of Common Stock by
reason of any recapitalization, reclassification, stock dividend, extraordinary dividend, stock split, reverse stock split or other distribution with respect to the shares of Common Stock or any merger, reorganization, consolidation, combination, spin-off or other similar corporate change or any other change affecting the Common Stock (other than regular cash dividends to stockholders of the Company), the Committee shall, in the manner and to the extent it
considers appropriate and equitable to the Participants and consistent with the terms of the Plan, cause an adjustment to be made to (i) the maximum number and kind of shares of Common Stock provided in Sections 4.1, 4.3 and 4.4 hereof
(including the maximum number of shares of Common Stock that may become payable to a Participant provided in Sections 4.3 and 4.4 hereof), (ii) the number and kind of shares of Common Stock, units or other rights subject to then outstanding Awards,
(iii) the exercise or base price for each share or unit or other right subject to then outstanding Awards, (iv) the maximum amount that may become payable to a Participant under Cash Performance Awards provided in Section 10.1 hereof,
(v) other value determinations applicable to the Plan and/or outstanding Awards, and (vi) any other terms of an Award that are affected by the event. Notwithstanding the foregoing, (a) any such adjustments shall, to the extent
necessary, be made in a manner consistent with the requirements of Section 409A of the Code and (b) in the case of Incentive Stock Options, any such adjustments shall, to the extent practicable, be made in a manner consistent with the
requirements of Section 424(a) of the Code. 
 5.    Eligibility and Awards. 

5.1    Designation of Participants. Any Eligible Person may be selected by the Committee to receive an Award and
become a Participant. The Committee has the authority, in its discretion, to determine and designate from time to time those Eligible Persons who are to be granted Awards, the types of Awards to be granted, the number of shares of Common Stock or
units subject to Awards to be granted and the terms and conditions of such Awards consistent with the terms of the Plan. In selecting Eligible Persons to be Participants, and in determining 

  
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the type and amount of Awards to be granted under the Plan, the Committee shall consider any and all factors that it deems relevant or appropriate. Designation of a Participant in any year shall
not require the Committee to designate such person to receive an Award in any other year or, once designated, to receive the same type or amount of Award as granted to such Participant in any other year. 

5.2    Determination of Awards. The Committee shall determine the terms and conditions of all Awards granted to
Participants in accordance with its authority under Section 3.2 hereof. An Award may consist of one type of right or benefit hereunder or of two or more such rights or benefits granted in tandem. 

5.3    Award Agreements. Each Award granted to an Eligible Person shall be represented by an Award Agreement. The
terms of all Awards under the Plan, as determined by the Committee, will be set forth in each individual Award Agreements as described in Section 15.2 hereof. 

6.    Stock Options. 

6.1    Grant of Stock Options. A Stock Option may be granted to any Eligible Person selected by the Committee,
except that an Incentive Stock Option may only be granted to an Eligible Person satisfying the conditions of Section 6.7(a) hereof. Each Stock Option shall be designated on the Date of Grant, in the discretion of the Committee, as an Incentive
Stock Option or as a Nonqualified Stock Option. All Stock Options granted under the Plan to U.S. taxpayers are intended to comply with or be exempt from the requirements of Section 409A of the Code. 

6.2    Exercise Price. The exercise price per share of a Stock Option shall not be less than one hundred percent
(100%) of the Fair Market Value of a share of Common Stock on the Date of Grant. The Committee may in its discretion specify an exercise price per share that is higher than the Fair Market Value of a share of Common Stock on the Date of Grant. 

6.3    Vesting of Stock Options. The Committee shall, in its discretion, prescribe in an award agreement the time
or times at which or the conditions upon which, a Stock Option or portion thereof shall become vested and/or exercisable. The requirements for vesting and exercisability of a Stock Option may be based on the continued Service of the Participant with
the Company or a Subsidiary for a specified time period (or periods), on the attainment of a specified Performance Goal(s) designed to meet the requirements for exemption under Section 162(m) of the Code and/or on such other terms and
conditions as approved by the Committee in its discretion. If the vesting requirements of a Stock Option are not satisfied, the Award shall be forfeited. 

6.4    Term of Stock Options. The Committee shall in its discretion prescribe in an Award Agreement the period
during which a vested Stock Option may be exercised; provided, however, that the maximum term of a Stock Option shall be ten (10) years from the Date of Grant. The Committee may provide that a Stock Option will cease to be
exercisable upon or at the end of a specified time period following a termination of Service for any reason as set forth in the Award Agreement or otherwise. A Stock Option may be earlier terminated as specified by the Committee and set forth in an
Award Agreement upon or following the termination of a 

  
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Participant’s Service with the Company or any Subsidiary, including by reason of voluntary resignation, death, Disability, termination for Cause or any other reason. Subject to Section 409A
of the Code and the provisions of this Section 6, the Committee may extend at any time the period in which a Stock Option may be exercised. 

6.5    Stock Option Exercise; Tax Withholding. Subject to such terms and conditions as specified in an Award
Agreement, a Stock Option may be exercised in whole or in part at any time during the term thereof by notice in the form required by the Company, together with payment of the aggregate exercise price and applicable withholding tax. Payment of the
exercise price may be made: (i) in cash or by cash equivalent acceptable to the Committee, or, (ii) to the extent permitted by the Committee in its sole discretion in an Award Agreement or otherwise (A) in shares of Common Stock
valued at the Fair Market Value of such shares on the date of exercise, (B) through an open-market, broker-assisted sales transaction pursuant to which the Company is promptly delivered the amount of proceeds necessary to satisfy the exercise
price, (C) by reducing the number of shares of Common Stock otherwise deliverable upon the exercise of the Stock Option by the number of shares of Common Stock having a Fair Market Value on the date of exercise equal to the exercise price,
(D) by a combination of the methods described above or (E) by such other method as may be approved by the Committee and set forth in the Award Agreement. In accordance with Section 15.11 hereof, and in addition to and at the time of
payment of the exercise price, the Participant shall pay to the Company the full amount of any and all applicable income tax, employment tax and other amounts required to be withheld in connection with such exercise, payable under such of the
methods described above for the payment of the exercise price as may be approved by the Committee and set forth in the Award Agreement. 

6.6    Limited Transferability of Nonqualified Stock Options. All Stock Options shall be nontransferable except
(i) upon the Participant’s death, in accordance with Section 15.3 hereof or (ii) in the case of Nonqualified Stock Options only, for the transfer of all or part of the Stock Option to a Participant’s “family
member” (as defined for purposes of the Form S-8 registration statement under the Securities Act), or as otherwise permitted by the Committee, in each case as may be approved by the Committee in its
discretion at the time of proposed transfer. The transfer of a Nonqualified Stock Option may be subject to such terms and conditions as the Committee may in its discretion impose from time to time. Subsequent transfers of a Nonqualified Stock Option
shall be prohibited other than in accordance with Section 15.3 hereof. 
 6.7    Additional Rules for Incentive
Stock Options. 
 (a)    Eligibility. An Incentive Stock Option may only be granted to an Eligible Person who
is considered an employee for purposes of Treasury Regulation Section 1.421-1(h) with respect to the Company or any Subsidiary that qualifies as a “subsidiary corporation” with respect to the Company
for purposes of Section 424(f) of the Code. 
 (b)    Annual Limits. No Incentive Stock Option shall be
granted to a Participant as a result of which the aggregate Fair Market Value (determined as of the Date of Grant) of the Common Stock with respect to which incentive stock options under Section 422 of the Code are exercisable for the first
time in any calendar year under the Plan and any other stock option plans of the Company or any Subsidiary or parent corporation, would exceed $100,000, 

  
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determined in accordance with Section 422(d) of the Code. This limitation shall be applied by taking Stock Options into account in the order in which granted. Any Stock Option grant that
exceeds such limit shall be treated as a non-qualified stock option. 

(c)    Additional Limitations. In the case of any Incentive Stock Option granted to an Eligible Person who owns,
either directly or indirectly (taking into account the attribution rules contained in Section 424(d) of the Code), stock possessing more than ten percent (10%) of the total combined voting power of all classes of stock of the Company or any
Subsidiary, the exercise price shall not be less than one hundred ten percent (110%) of the Fair Market Value of a share of Common Stock on the Date of Grant and the maximum term shall be five (5) years. 

(d)    Termination of Service. An Award of an Incentive Stock Option may provide that such Stock Option may be
exercised not later than (i) three (3) months following termination of Service of the Participant with the Company and all Subsidiaries (other than as set forth in clause (ii) of this Section 6.7(d)) or (ii) one year following
termination of Service of the Participant with the Company and all Subsidiaries due to death or permanent and total disability within the meaning of Section 22(e)(3) of the Code, in each case as and to the extent determined by the Committee to
comply with the requirements of Section 422 of the Code. 
 (e)    Other Terms and Conditions;
Nontransferability. Any Incentive Stock Option granted hereunder shall contain such additional terms and conditions, not inconsistent with the terms of the Plan, as are deemed necessary or desirable by the Committee, which terms, together with
the terms of the Plan, shall be intended and interpreted to cause such Incentive Stock Option to qualify as an “incentive stock option” under Section 422 of the Code. A Stock Option that is granted as an Incentive Stock Option shall,
to the extent it fails to qualify as an “incentive stock option” under the Code, be treated as a Nonqualified Stock Option. An Incentive Stock Option shall by its terms be nontransferable other than by will or by the laws of descent and
distribution, and shall be exercisable during the lifetime of a Participant only by such Participant. 

(f)    Disqualifying Dispositions. If shares of Common Stock acquired by exercise of an Incentive Stock Option are
disposed of within two years following the Date of Grant or one year following the transfer of such shares to the Participant upon exercise, the Participant shall, promptly following such disposition, notify the Company in writing of the date and
terms of such disposition and provide such other information regarding the disposition as the Company may reasonably require. 

6.8    Repricing Prohibited. Subject to the anti-dilution adjustment provisions contained in Section 4.5
hereof, without the prior approval of the Company’s stockholders, neither the Committee nor the Board shall cancel a Stock Option when the exercise price per share exceeds the Fair Market Value of one share of Common Stock in exchange for cash
or another Award (other than in connection with a Change of Control) or cause the cancellation, substitution or amendment of a Stock Option that would have the effect of reducing the exercise price of such a Stock Option previously granted under the
Plan or otherwise approve any modification to such a Stock Option, that would be treated as a “repricing” under the then applicable rules, regulations or listing requirements adopted by the NASDAQ or other principal exchange on which the
Common Stock is then listed. 

  
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 6.9    Dividend Equivalent Rights. Dividends shall not be paid with
respect to Stock Options. Dividend equivalent rights shall be granted with respect to the shares of Common Stock subject to Stock Options to the extent permitted by the Committee and set forth in the Award Agreement. 

6.10    No Rights as Stockholder. The Participant shall not have any rights as a stockholder with respect to the
shares underlying a Stock Option until such time as shares or Common Stock are delivered to the Participant pursuant to the terms of the Award Agreement. 

7.    Stock Appreciation Rights. 

7.1    Grant of Stock Appreciation Rights. Stock Appreciation Rights may be granted to any Eligible Person selected
by the Committee. Stock Appreciation Rights may be granted on a basis that allows for the exercise of the right by the Participant or that provides for the automatic payment of the right upon a specified date or event. Stock Appreciation Rights
shall be non-transferable, except as provided in Section 15.3 hereof. All Stock Appreciation Rights granted under the Plan to U.S. taxpayers are intended to comply with or otherwise be exempt from the
requirements of Section 409A of the Code. 
 7.2    Stand-Alone and Tandem Stock Appreciation Rights. A
Stock Appreciation Right may be granted without any related Stock Option, or may be granted in tandem with a Stock Option, either on the Date of Grant or at any time thereafter during the term of the Stock Option. The Committee shall in its
discretion provide in an Award Agreement the time or times at which or the conditions upon which, a Stock Appreciation Right or portion thereof shall become vested and/or exercisable. The requirements for vesting and exercisability of a Stock
Appreciation Right may be based on the continued Service of a Participant with the Company or a Subsidiary for a specified time period (or periods), on the attainment of a specified Performance Goal(s) designed to meet the requirements for exemption
under Section 162(m) of the Code and/or on such other terms and conditions as approved by the Committee in its discretion. If the vesting requirements of a Stock Appreciation Right are not satisfied, the Award shall be forfeited. A Stock
Appreciation Right will be exercisable or payable at such time or times as determined by the Committee; provided, however, that the maximum term of a Stock Appreciation Right shall be ten (10) years from the Date of Grant. The
Committee may provide that a Stock Appreciation Right will cease to be exercisable upon or at the end of a period following a termination of Service for any reason. The base price of a Stock Appreciation Right granted without any related Stock
Option shall be determined by the Committee in its discretion; provided, however, that the base price per share of any such stand-alone Stock Appreciation Right shall not be less than one hundred percent (100%) of the Fair Market Value
of a share of Common Stock on the Date of Grant. 
 7.3    Payment of Stock Appreciation Rights. A Stock
Appreciation Right will entitle the holder, upon exercise or other payment of the Stock Appreciation Right, as applicable, to receive an amount determined by multiplying: (i) the excess of the Fair Market Value of a share of Common Stock on the
date of exercise or payment of the Stock Appreciation Right over the base price of such Stock Appreciation Right, by (ii) the number of shares as to which such Stock Appreciation Right is exercised or paid. Payment of the amount determined
under the foregoing may be made, as approved by the Committee and set forth in the Award Agreement, in shares of Common Stock valued at their Fair Market Value on the date of exercise or payment, in cash or in a combination of shares of Common Stock
and cash, subject to applicable tax withholding requirements. 

  
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 7.4    Repricing Prohibited. Subject to the anti-dilution adjustment
provisions contained in Section 4.5 hereof, without the prior approval of the Company’s stockholders, neither the Committee nor the Board shall cancel a Stock Appreciation Right when the base price per share exceeds the Fair Market Value
of one share of Common Stock in exchange for cash or another Award (other than in connection with a Change of Control) or cause the cancellation, substitution or amendment of a Stock Appreciation Right that would have the effect of reducing the base
price of such a Stock Appreciation Right previously granted under the Plan or otherwise approve any modification to such Stock Appreciation Right that would be treated as a “repricing” under the then applicable rules, regulations or
listing requirements adopted by the NASDAQ or other principal exchange on which the Common Stock is then listed. 

7.5    Dividend Equivalent Rights. Dividends shall not be paid with respect to Stock Appreciation Rights. Dividend
equivalent rights shall be granted with respect to the shares of Common Stock subject to Stock Appreciation Rights to the extent permitted by the Committee and set forth in the Award Agreement. 

8.    Restricted Stock Awards. 

8.1    Grant of Restricted Stock Awards. A Restricted Stock Award may be granted to any Eligible Person selected by
the Committee. The Committee may require the payment by the Participant of a specified purchase price in connection with any Restricted Stock Award. 

8.2    Vesting Requirements. The restrictions imposed on shares granted under a Restricted Stock Award shall lapse
in accordance with the vesting requirements specified by the Committee in the Award Agreement. The requirements for vesting of a Restricted Stock Award may be based on the continued Service of the Participant with the Company or a Subsidiary for a
specified time period (or periods), on the attainment of a specified Performance Goal(s) designed to meet the requirements for exemption under Section 162(m) of the Code and/or on such other terms and conditions as approved by the Committee in
its discretion. If the vesting requirements of a Restricted Stock Award shall not be satisfied or, if applicable, the Performance Goal(s) with respect to such Restricted Stock Award are not attained, the Award shall be forfeited and the shares of
Common Stock subject to the Award shall be returned to the Company. 
 8.3    Transfer Restrictions. Shares
granted under any Restricted Stock Award may not be transferred, assigned or subject to any encumbrance, pledge or charge until all applicable restrictions are removed or have expired, except as provided in Section 15.3 hereof. Failure to
satisfy any applicable restrictions shall result in the subject shares of the Restricted Stock Award being forfeited and returned to the Company. The Committee may require in an Award Agreement that certificates (if any) representing the shares
granted under a Restricted Stock Award bear a legend making appropriate reference to the restrictions imposed, and that certificates (if any) representing the shares granted or sold under a Restricted Stock Award will remain in the physical custody
of an escrow holder until all restrictions are removed or have expired. 

  
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 8.4    Rights as Stockholder. Subject to the foregoing provisions of
this Section 8 and the applicable Award Agreement, the Participant shall have all rights of a stockholder with respect to the shares granted to the Participant under a Restricted Stock Award, including the right to vote the shares and receive
all dividends and other distributions paid or made with respect thereto, unless the Committee determines otherwise at the time the Restricted Stock Award is granted. The Committee may provide in an Award Agreement for the payment of dividends and
distributions to the Participant at such times as paid to stockholders generally, at the times of vesting or other payment of the Restricted Stock Award or otherwise; provided that, dividends and other distributions made with respect to a Restricted
Stock Award that is subject to performance-based vesting shall not be paid until, and only to the extent that the Award vests. 

8.5    Section 83(b) Election. If a Participant makes an election pursuant to Section 83(b)
of the Code with respect to a Restricted Stock Award, the Participant shall file, within thirty (30) days following the Date of Grant, a copy of such election with the Company and with the Internal Revenue Service, in accordance with the
regulations under Section 83 of the Code. The Committee may provide in an Award Agreement that the Restricted Stock Award is conditioned upon the Participant’s making or refraining from making an election with respect to the Award under
Section 83(b) of the Code. 
 9.    Restricted Stock Units. 

9.1    Grant of Restricted Stock Units. A Restricted Stock Unit may be granted to any Eligible Person selected by
the Committee. The value of each Restricted Stock Unit is equal to the Fair Market Value of a share of Common Stock on the applicable date or time period of determination, as specified by the Committee. Restricted Stock Units shall be subject to
such restrictions and conditions as the Committee shall determine. In addition, a Restricted Stock Unit may be designated as a “Performance Stock Unit”, the vesting requirements of which may be based, in whole or in part, on the attainment
of pre-established business and/or individual Performance Goal(s) over a specified performance period designed to meet the requirements for exemption under Section 162(m) of the Code, or otherwise, as
approved by the Committee in its discretion. Restricted Stock Units shall be non-transferable, except as provided in Section 15.3 hereof. 

9.2    Vesting of Restricted Stock Units. The Committee shall, in its discretion, determine any vesting
requirements with respect to Restricted Stock Units, which shall be set forth in the Award Agreement. The requirements for vesting of a Restricted Stock Unit may be based on the continued Service of the Participant with the Company or a Subsidiary
for a specified time period (or periods) and/or on such other terms and conditions as approved by the Committee (including Performance Goal(s)) designed to meet the requirements for exemption under Section 162(m) of the Code and/or on such other
terms and conditions as approved by the Committee in its discretion. If the vesting requirements of a Restricted Stock Unit Award are not satisfied, the Award shall be forfeited. 

9.3    Payment of Restricted Stock Units. Restricted Stock Units shall become payable to a Participant at the time
or times determined by the Committee and set forth in the Award Agreement, which may be upon or following the vesting of the Award. Payment of a Restricted Stock Unit may be made, as approved by the Committee and set forth in the Award Agreement,


  
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in cash or in shares of Common Stock or in a combination thereof, subject to applicable tax withholding requirements. Any cash payment of a Restricted Stock Unit shall be made based upon the Fair
Market Value of a share of Common Stock, determined on such date or over such time period as determined by the Committee. 

9.4    Dividend Equivalent Rights. Restricted Stock Units may be granted together with a dividend equivalent right
with respect to the shares of Common Stock subject to the Award, which may be accumulated and may be deemed reinvested in additional Restricted Stock Units or may be accumulated in cash, as determined by the Committee in its discretion. Any payments
made pursuant to dividend equivalent rights will be paid at such times as determined by the Committee in its discretion (including without limitation at the times paid to stockholders generally or at the times of vesting or payment of the Restricted
Stock Unit); provided that, dividends and other distributions made with respect to a Restricted Stock Unit that is subject to performance-based vesting shall not be paid until, and only to the extent that, the Award vests. Dividend equivalent rights
may be subject to forfeiture under the same conditions as apply to the underlying Restricted Stock Units. 

9.5    No Rights as Stockholder. The Participant shall not have any rights as a stockholder with respect to the
shares subject to a Restricted Stock Unit until such time as shares of Common Stock are delivered to the Participant pursuant to the terms of the Award Agreement. 

10.    Cash Performance Awards and Performance Criteria. 

10.1    Grant of Cash Performance Awards. A Cash Performance Award may be granted to any Eligible Person selected by
the Committee. The maximum amount that may become payable to any one Participant during any one calendar year under all Cash Performance Awards intended to qualify as “performance-based compensation” under Section 162(m) of the Code is
limited to $15,000,000. Each Cash Performance Award shall be evidenced by an Award Agreement that shall specify the performance period and such other terms and conditions as the Committee, in its discretion, shall determine. The Committee may
accelerate the vesting of a Cash Performance Award upon a Change of Control or termination of Service under certain circumstances, as set forth in the Award Agreement. Cash Performance Awards shall be
non-transferable, except as provided in Section 15.3 hereof. 

10.2    Payment. Payment amounts may be based on the attainment of specified levels of the Performance Goals,
including, if applicable, specified threshold, target and maximum performance levels, and performance falling between such levels. The requirements for payment may be also based upon the continued Service of the Participant with the Company or a
Subsidiary during the respective performance period and on such other conditions as determined by the Committee and set forth in the Award Agreement. With respect to Cash Performance Awards, Performance Stock Units and other Awards intended to
qualify as “performance-based compensation” under Section 162(m) of the Code, before the 90th day of the applicable performance period (or, if the performance period is less than one year, no later than the number of days which is equal to
25% of such performance period), the Committee will determine the duration of the performance period, the Performance Criteria, the applicable Performance Goals relating to the Performance Criteria, and the amount and terms of payment and/or vesting
upon achievement of the Performance Goals. 

  
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 10.3    Performance Criteria. For purposes of Cash Performance Awards,
Performance Stock Units and other Awards intended to qualify as “performance-based compensation” under Section 162(m) of the Code, the Performance Criteria shall be one or any combination of the following, for the Company or any identified
Subsidiary or business unit, as determined by the Committee at the time of the Award: (i) net earnings; (ii) earnings per share; (iii) net debt; (iv) revenue or sales growth; (v) net or operating income; (vi) net
operating profit; (vii) return measures (including, but not limited to, return on assets, capital, equity or sales); (viii) cash flow (including, but not limited to, operating cash flow, distributable cash flow and free cash flow); (ix)
earnings before or after taxes, interest, depreciation, amortization and/or rent; (x) share price (including, but not limited to growth measures and total stockholder return); (xi) expense control or loss management; (xii) market share;
(xiii) economic value added; (xiv) working capital; (xv) the formation of joint ventures or the completion of other corporate transactions; (xvi) gross or net profit margins; (xvii) revenue mix; (xviii) operating
efficiency; (xix) product diversification; (xx) market penetration; (xxi) measurable achievement in quality, technology, operation or compliance initiatives; (xxii) quarterly dividends or distributions; (xxiii) employee
retention or turnover; (xxiv) operating income before depreciation, amortization and certain additional adjustments to operating income permitted under our senior secured credit facilities; and/or (xxv) any combination of or a specified
increase or decrease, as applicable in any of the foregoing. Each of the Performance Criteria shall be applied and interpreted in accordance with an objective formula or standard established by the Committee at the time the applicable Award is
granted including, without limitation, GAAP (or adjusted GAAP, as applicable), consistently applied on a business unit, divisional, subsidiary or consolidated basis or any combination thereof. The Performance Goals may be described in terms of
objectives that are related to the individual Participant or objectives that are Company-wide or related to a Subsidiary, division, department, region, function or business unit and may be measured on an absolute or cumulative basis or on the basis
of percentage of improvement over time, and may be measured in terms of Company performance (or performance of the applicable Subsidiary, division, department, region, function or business unit) or measured relative to selected peer companies or a
market or other index. 
 10.4    Performance Goals. For purposes of Cash Performance Awards, Performance Stock
Units and other Awards intended to qualify as “performance-based compensation” under Section 162(m) of the Code, the “Performance Goals” shall be the levels of achievement relating to the Performance Criteria selected by the
Committee for the Award. The Performance Goals shall be written and shall be expressed as an objective formula or standard that precludes discretion to increase the amount of compensation payable that would otherwise be due upon attainment of the
goal. The Performance Goals may be applied on an absolute basis or relative to an identified index, peer group, or one or more competitors or other companies (including particular business segments or divisions of such companies), as specified by
the Committee. The Performance Goals need not be the same for all Participants. 
 10.5    Adjustments. At the
time that an Award is granted, the Committee may provide for the Performance Goals or the manner in which performance will be measured against the Performance Goals to be adjusted in such objective manner as it deems appropriate, including, without
limitation, adjustments to reflect charges for restructurings, non-operating income, the impact of corporate transactions or discontinued operations, events that are unusual in nature or infrequent in
occurrence and other non-recurring items, currency fluctuations, litigation or claim judgements, settlements, and the cumulative effects of accounting or tax law changes. In


  
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addition, to the extent not inconsistent with Section 162(m) of the Code, with respect to a Participant hired or promoted following the beginning of a performance period, the Committee may
determine to prorate the Performance Goals and/or the amount of any payment in respect of such Participant’s Cash Performance Awards for the partial performance period. 

10.6    Negative Discretion. Notwithstanding anything else contained in the Plan to the contrary, in accordance
with Section 162(m) of the Code, the Committee shall, to the extent provided in an Award Agreement, have the right, in its discretion, (i) to reduce or eliminate the amount otherwise payable to any Participant under an Award granted under this
Section 10 and (ii) to establish rules or procedures that have the effect of limiting the amount payable to any Participant to an amount that is less than the amount that otherwise would be payable under an Award granted under this
Section 10. The Committee may exercise such discretion in a non-uniform manner among Participants. The Committee shall not have discretion to increase the amount that otherwise would be payable to any
Participant under a Cash Performance Award, Performance Stock Unit or other Award intended to qualify as “performance-based compensation” under Section 162(m) of the Code. 

10.7    Certification. Following the conclusion of the performance period of a Cash Performance Award, Performance
Stock Unit or other Award intended to qualify as “performance-based compensation” under Section 162(m) of the Code, the Committee shall certify in writing whether the Performance Goals for that performance period have been achieved, or
certify the degree of achievement, if applicable. 
 10.8    Payment. Upon certification of the Performance Goals
for a Cash Performance Award, Performance Stock Unit or other Award intended to qualify as “performance-based compensation” under Section 162(m) of the Code, the Committee shall determine the level of vesting or amount of payment to the
Participant pursuant to the Award, if any. Notwithstanding the foregoing, Cash Performance Awards may be paid, at the discretion of the Committee, in any combination of cash or shares of Common Stock, based upon the Fair Market Value of such shares
at the time of payment. 
 11.    Stock Awards. 

11.1    Grant of Stock Awards. A Stock Award may be granted to any Eligible Person selected by the Committee. A
Stock Award may be granted for past Services, in lieu of bonus or other cash compensation, as directors’ compensation or for any other valid purpose as determined by the Committee. The Committee shall determine the terms and conditions of such
Awards, and such Awards may be made without vesting requirements to the extent permissible under Section 5.2 hereof. In addition, the Committee may, in connection with any Stock Award, require the payment of a specified purchase price. 

11.2    Rights as Stockholder. Subject to the foregoing provisions of this Section 11 and the applicable Award
Agreement, upon the issuance of shares of Common Stock under a Stock Award the Participant shall have all rights of a stockholder with respect to the shares of Common Stock, including the right to vote the shares and receive all dividends and other
distributions paid or made with respect thereto. 

  
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 12.    Change of Control. 

12.1    Effect on Awards. Upon the occurrence of a Change of Control, unless otherwise provided in the Award
Agreement, the Committee is authorized (but not obligated) to make adjustments in the terms and conditions of outstanding Awards, including without limitation the following (or any combination thereof): (a) continuation or assumption of such
outstanding Awards under the Plan by the Company (if it is the surviving company or corporation) or by the surviving company or corporation or its parent; (b) substitution by the surviving company or corporation or its parent of awards with
substantially the same terms for outstanding Awards (with appropriate adjustments to the type of consideration payable upon settlement of the Awards); (c) acceleration of exercisability, vesting and/or payment under outstanding Awards immediately
prior to the occurrence of such event or upon a termination of Service following such event; and (d) if all or substantially all of the Company’s outstanding shares of Common Stock are transferred in exchange for cash consideration in
connection with such Change of Control: (i) upon written notice, provide that any outstanding Stock Options and Stock Appreciation Rights are exercisable during a reasonable period of time immediately prior to the scheduled consummation of the
event or such other reasonable period as determined by the Committee (contingent upon the consummation of the event), and at the end of such period, such Stock Options and Stock Appreciation Rights shall terminate to the extent not so exercised
within the relevant period; and (ii) cancel all or any portion of outstanding Awards for fair value (in the form of cash, shares of Common Stock, other property or any combination thereof) as determined in the sole discretion of the Committee;
provided, however, that, in the case of Stock Options and Stock Appreciation Rights, the fair value may equal the excess, if any, of the value or amount of the consideration to be paid in the Change of Control transaction to holders of
shares of Common Stock (or, if no such consideration is paid, Fair Market Value of the shares of Common Stock) over the aggregate exercise or base price, as applicable, with respect to such Awards or portion thereof being canceled, or if no such
excess, zero; provided, further, that if any payments or other consideration are deferred and/or contingent as a result of escrows, earn outs, holdbacks or any other contingencies, payments under this provision may be made on substantially the same
terms and conditions applicable to, and only to the extent actually paid to, the holders of Shares in connection with the Change of Control. 

12.2    Definition of Change of Control. Unless otherwise defined in an Award Agreement,
“Change of Control” shall mean the occurrence of one or more of the following events: 
 (a)    Any
Person becomes the Beneficial Owner, directly or indirectly, of more than fifty percent (50%) of the combined voting power, excluding any Excluded Persons or any person that is the Beneficial Owner, directly or indirectly, of more than fifty percent
(50%) of the combined voting power on the Effective Date, of the then outstanding voting securities of the Company entitled to vote generally in the election of its directors (the “Outstanding Company Voting Securities”) including
by way of merger, consolidation or otherwise; provided, however, that for purposes of this definition, the following acquisitions shall not be taken into account in determining whether a Change of Control has occurred: (i) any
acquisition of voting securities of the Company directly from the Company or (ii) any acquisition by the Company or any of its Subsidiaries of Outstanding Company Voting Securities, including an acquisition by any employee benefit plan or
related trust sponsored or maintained by the Company, or any of its Subsidiaries. 

  
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 (b)    The following individuals (the “Incumbent Directors”)
cease for any reason to constitute a majority of the number of directors then serving on the Board: individuals who, on the Effective Date, constitute the Board and any new director (other than a director whose initial assumption of office is in
connection with an actual or threatened election contest, including, but not limited to, a consent or proxy solicitation, relating to the election of directors of the Company by or on behalf of a Person other than the Board) whose appointment or
election by the Board or nomination for election by the Company’s stockholders was approved or recommended by a vote of at least a majority of the directors then still in office who either were directors on the Effective Date or whose
appointment, election or nomination for election was previously so approved or recommended. 
 (c)    Consummation of a
reorganization, merger, or consolidation to which the Company is a party or a sale or other disposition of all or substantially all of the assets of the Company (a “Business Combination”), unless, following such Business
Combination: (i) any individuals and entities that were the Beneficial Owners of Outstanding Company Voting Securities immediately prior to such Business Combination are the Beneficial Owners, directly or indirectly, of more than fifty percent
(50%) of the combined voting power of the outstanding voting securities entitled to vote generally in the election of directors (or election of members of a comparable governing body) of the entity resulting from the Business Combination (including,
without limitation, an entity which as a result of such transaction owns all or substantially all of the Company or all or substantially all of the Company’s assets either directly or through one or more Subsidiaries) (the “Successor
Entity”) in substantially the same proportions as their ownership immediately prior to such Business Combination; (ii) no Person (excluding any Successor Entity, any Excluded Person, any person that is the Beneficial Owner, directly or
indirectly, of more than thirty percent (30%) of the combined voting power on the Effective Date or any employee benefit plan or related trust of the Company, such Successor Entity, or any of their Subsidiaries) is the Beneficial Owner, directly or
indirectly, of more than thirty percent (30%) of the combined voting power of the then outstanding voting securities entitled to vote generally in the election of directors (or comparable governing body) of the Successor Entity, except to the extent
that such ownership existed prior to the Business Combination; and (iii) at least a majority of the members of the board of directors (or comparable governing body) of the Successor Entity were Incumbent Directors (including persons deemed to
be Incumbent Directors) at the time of the execution of the initial agreement or of the action of the Board providing for such Business Combination. 

Notwithstanding the foregoing, to the extent necessary to comply with Section 409A of the Code with respect to the payment of “nonqualified deferred
compensation,” “Change of Control” shall be limited to a “change in control event” as defined under Section 409A of the Code. 

13.    Forfeiture Events. 

13.1    General. The Committee may specify in an Award Agreement at the time of the Award that the
Participant’s rights, payments and benefits with respect to an Award are subject to reduction, cancellation, forfeiture or recoupment upon the occurrence of certain specified 

  
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events, in addition to any otherwise applicable vesting or performance conditions of an Award. Such events may include, without limitation, termination of Service for Cause, violation of material
Company policies, breach of noncompetition, non-solicitation, confidentiality or other restrictive covenants that may apply to the Participant or other conduct by the Participant that is detrimental to the
business or reputation of the Company. 
 13.2    Termination for Cause. 

(a)    Treatment of Awards. Unless otherwise provided by the Committee and set forth in an Award Agreement, if
(i) a Participant’s Service with the Company or any Subsidiary shall be terminated for Cause or (ii) after termination of Service for any other reason, the Committee determines in its discretion either that, (1) during the
Participant’s period of Service, the Participant engaged in an act which would have warranted termination of Service for Cause or (2) after termination, the Participant engaged in conduct that violated any continuing obligation or duty of
the Participant in respect of the Company or any Subsidiary, such Participant’s rights, payments and benefits with respect to an Award shall be subject to cancellation, forfeiture and/or recoupment, as provided in Section 13.3 below. The
Company shall have the power to determine whether the Participant has been terminated for Cause, the date upon which such termination for Cause occurs, whether the Participant engaged an act which would have warranted termination of Service for
Cause or engaged in conduct that violated any continuing obligation or duty of the Participant in respect of the Company or any Subsidiary. Any such determination shall be final, conclusive and binding upon all Persons. In addition, if the Company
shall reasonably determine that a Participant has committed or may have committed any act which could constitute the basis for a termination of such Participant’s Service for Cause or violates any continuing obligation or duty of the
Participant in respect of the Company or any Subsidiary, the Company may suspend the Participant’s rights to exercise any Stock Option or Stock Appreciation Right, receive any payment or vest in any right with respect to any Award pending a
determination by the Company of whether an act or omission could constitute the basis for a termination for Cause as provided in this Section 13.2. 

(b)    Definition of Cause. Unless otherwise defined in an Award Agreement, “Cause” shall mean:
(i) the Participant has committed a deliberate act against the interests of the Company including, without limitation: an act of fraud, embezzlement, misappropriation or breach of fiduciary duty against the Company, including, but not limited
to, the offer, payment, solicitation or acceptance of any unlawful bribe or kickback with respect to the Company’s business; or (ii) the commission by a Participant of, or the plea of nolo contendere by such Participant with respect to, a
felony or a crime involving moral turpitude,; or (iii) the Participant has failed to perform or neglected the material duties incident to his employment or other engagement with the Company on a regular basis, and such refusal or failure shall
have continued for a period of twenty (20) days after written notice to the Participant specifying such refusal or failure in reasonable detail; or (iv) the Participant has been chronically absent from work (excluding vacations, illnesses,
Disability or leaves of absence approved by the Board); or (v) the Participant has refused, after explicit written notice, to obey any lawful resolution of or direction by the Board which is consistent with the duties incident to his employment
or other engagement with the Company and such refusal continues for more than twenty (20) days after written notice is given to the Participant specifying such refusal in reasonable detail; or (vi) the Participant has breached any of the
material terms contained in any employment agreement, non-

  
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competition agreement, confidentiality agreement, restrictive covenants agreement or similar type of agreement to which such Participant is a party; or (vii) the Participant’s
misappropriation of the Company’s or any of its Subsidiary’s assets or business opportunities; or (viii) the Participant has engaged in (x) the unlawful use (including being under the influence) or possession of illegal drugs on
the Company’s premises or (y) habitual drunkenness on the Company’s premises. 
 Any voluntary termination of Service or
other engagement by the Participant in anticipation of an involuntary termination of the Participant’s Service for Cause shall be deemed to be a termination for “Cause.” Notwithstanding the foregoing, in the event that a Participant
is party to an employment, severance or similar agreement with the Company or any of its affiliates and such agreement contains a definition of “Cause,” the definition of “Cause” set forth above shall be deemed replaced and
superseded, with respect to such Participant, by the definition of “Cause” used in such employment, severance or similar agreement. 

13.3    Right of Recapture. 

(a)    General. If at any time within one (1) year (or such longer time specified in an Award Agreement or
other agreement with a Participant or policy applicable to the Participant) after the date on which a Participant exercises a Stock Option or Stock Appreciation Right or on which a Stock Award, Restricted Stock Award or Restricted Stock Unit vests
or becomes payable or on which a Cash Performance Award is paid to a Participant, or on which income otherwise is realized by a Participant in connection with an Award, (i) a Participant’s Service is terminated for Cause, (ii) the
Committee determines in its discretion that the Participant is subject to any recoupment of benefits pursuant to the Company’s compensation recovery, “clawback” or similar policy, as may be in effect from time to time, or
(iii) after a Participant’s Service terminates for any other reason, the Committee determines in its discretion either that, (1) during the Participant’s period of Service, the Participant engaged in an act or omission which
would have warranted termination of the Participant’s Service for Cause or (2) after a Participant’s termination of Service, the Participant engaged in conduct that materially violated any continuing obligation or duty of the
Participant in respect of the Company or any Subsidiary, then, at the sole discretion of the Committee, any gain realized by the Participant from the exercise, vesting, payment or other realization of income by the Participant in connection with an
Award, shall be paid by the Participant to the Company upon notice from the Company, subject to applicable law. Such gain shall be determined as of the date or dates on which the gain is realized by the Participant, without regard to any subsequent
change in the Fair Market Value of a share of Common Stock. To the extent not otherwise prohibited by law, the Company shall have the right to offset such gain against any amounts otherwise owed to the Participant by the Company (whether as wages,
vacation pay or pursuant to any benefit plan or other compensatory arrangement). 
 (b)    Accounting
Restatement. If a Participant receives compensation pursuant to an Award under the Plan (whether a Stock Option, Cash Performance Award or otherwise) based on financial statements that are subsequently required to be restated in a way that would
decrease the value of such compensation, the Participant will, to the extent not otherwise prohibited by law, upon the written request of the Company, forfeit and repay to the Company the difference between what the Participant received and what the
Participant should have 

  
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received based on the accounting restatement, in accordance with (i) the Company’s compensation recovery, “clawback” or similar policy, as may be in effect from time to time
and (ii) any compensation recovery, “clawback” or similar policy made applicable by law including the provisions of Section 945 of the Dodd-Frank Wall Street Reform and Consumer Protection Act and the rules, regulations and
requirements adopted thereunder by the Securities and Exchange Commission and/or any national securities exchange on which the Company’s equity securities may be listed (the “Policy”). By accepting an Award hereunder, the
Participant acknowledges and agrees that the Policy shall apply to such Award, and all incentive-based compensation payable pursuant to such Award shall be subject to forfeiture and repayment pursuant to the terms of the Policy. 

14.    Transfer, Leave of Absence, Etc. For purposes of the Plan, except as otherwise determined by the Committee,
the following events shall not be deemed a termination of Service: (a) a transfer to the employment of the Company from a Subsidiary or from the Company to a Subsidiary, or from one Subsidiary to another; or (b) an approved leave of
absence for military service or sickness, a leave of absence where the employee’s right to re-employment is guaranteed either by a statute or by contract or under the policy pursuant to which the leave of
absence was granted, a leave of absence for any other purpose approved by the Company or if the Committee otherwise so provides in writing. 

15.    General Provisions. 

15.1    Status of Plan. The Committee may authorize the creation of trusts or other arrangements to meet the
Company’s obligations to deliver shares of Common Stock or make payments with respect to Awards. 

15.2    Award Agreement. An Award under the Plan shall be evidenced by an Award Agreement in a written or
electronic form approved by the Committee setting forth the number of shares of Common Stock or Restricted Stock Units subject to the Award, the exercise price, base price or purchase price of the Award, the time or times at which an Award will
become vested, exercisable or payable and the term of the Award. The Award Agreement also may set forth the effect on an Award of a Change of Control and/or a termination of Service under certain circumstances. The Award Agreement shall be subject
to and incorporate, by reference or otherwise, all of the applicable terms and conditions of the Plan, and also may set forth other terms and conditions applicable to the Award as determined by the Committee consistent with the limitations of the
Plan. The grant of an Award under the Plan shall not confer any rights upon the Participant holding such Award other than such terms, and subject to such conditions, as are specified in the Plan as being applicable to such type of Award (or to all
Awards) or as are expressly set forth in the Award Agreement. The Committee need not require the execution of an Award Agreement by a Participant, in which case, acceptance of the Award by the Participant shall constitute agreement by the
Participant to the terms, conditions, restrictions and limitations set forth in the Plan and the Award Agreement as well as the administrative guidelines of the Company in effect from time to time. In the event of any conflict between the provisions
of the Plan and any Award Agreement, the provisions of the Plan shall prevail. 

  
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 15.3    No Assignment or Transfer; Beneficiaries. Except as provided
in Section 6.6 hereof or as otherwise determined by the Committee, Awards under the Plan shall not be assignable or transferable by the Participant, and shall not be subject in any manner to assignment, alienation, pledge, encumbrance or
charge. Notwithstanding the foregoing, in the event of the death of a Participant, except as otherwise provided by the Committee in an Award Agreement, an outstanding Award may be exercised by or shall become payable to the Participant’s
beneficiary as determined under the Company 401(k) Retirement Plan or other applicable retirement or pension plan (the “Retirement Plan”). In lieu of such determination, a Participant may, from time to time, name any beneficiary or
beneficiaries to receive any benefit in case of the Participant’s death before the Participant receives any or all of such benefit. Each such designation shall revoke all prior designations by the same Participant and will be effective only
when filed by the Participant in writing (in such form or manner as may be prescribed by the Committee) with the Company during the Participant’s lifetime. In the absence of a valid designation under the Retirement Plan or as provided above, if
no validly designated beneficiary survives the Participant or if each surviving validly designated beneficiary is legally impaired or prohibited from receiving the benefits under an Award, the Participant’s beneficiary shall be the legatee or
legatees of such Award designated under the Participant’s last will or by such Participant’s executors, personal representatives or distributees of such Award in accordance with the Participant’s will or the laws of descent and
distribution. The Committee may provide in the terms of an Award Agreement or in any other manner prescribed by the Committee that the Participant shall have the right to designate a beneficiary or beneficiaries who shall be entitled to any rights,
payments or other benefits specified under an Award following the Participant’s death. 
 15.4    Deferrals of
Payment. The Committee may in its discretion permit a Participant to defer the receipt of payment of cash or delivery of shares of Common Stock that would otherwise be due to the Participant by virtue of the exercise of a right or the
satisfaction of vesting or other conditions with respect to an Award; provided, however, that such discretion shall not apply in the case of a Stock Option or Stock Appreciation Right. If any such deferral is to be permitted by the
Committee, the Committee shall establish rules and procedures relating to such deferral in a manner intended to comply with the requirements of Section 409A of the Code, including, without limitation, the time when an election to defer may be
made, the time period of the deferral and the events that would result in payment of the deferred amount, the interest or other earnings attributable to the deferral and the method of funding, if any, attributable to the deferred amount. 

15.5    No Right to Employment or Continued Service. Nothing in the Plan, in the grant of any Award or in any Award
Agreement shall confer upon any Eligible Person or any Participant any right to continue in the Service of the Company or any of its Subsidiaries or interfere in any way with the right of the Company or any of its Subsidiaries to terminate the
employment or other service relationship of an Eligible Person or a Participant for any reason or no reason at any time. 

15.6    Rights as Stockholder. A Participant shall have no rights as a holder of shares of Common Stock with
respect to any unissued securities covered by an Award until the date the Participant becomes the holder of record of such securities. Except as provided in Section 4.5 hereof, no adjustment or other provision shall be made for dividends or
other stockholder rights, except to the extent that the Award Agreement provides for dividend payments or dividend equivalent rights. The Committee may determine in its discretion the manner of delivery of


  
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Common Stock to be issued under the Plan, which may be by delivery of stock certificates, electronic account entry into new or existing accounts or any other means as the Committee, in its
discretion, deems appropriate. The Committee may require that the stock certificates (if any) be held in escrow by the Company for any shares of Common Stock or cause the shares to be legended in order to comply with the securities laws or other
applicable restrictions or should the shares of Common Stock be represented by book or electronic account entry rather than a certificate, the Committee may take such steps to restrict transfer of the shares of Common Stock as the Committee
considers necessary or advisable. 
 15.7    Trading Policy and Other Restrictions. Transactions involving Awards
under the Plan shall be subject to the Company’s Insider Trading and Regulation FD Policy and other restrictions, terms and conditions, to the extent established by the Committee or by applicable law, including any other applicable policies set
by the Committee, from time to time. 
 15.8    Section 409A Compliance. To the extent
applicable, it is intended that the Plan and all Awards hereunder comply with, or be exempt from, the requirements of Section 409A of the Code and the Treasury Regulations and other guidance issued thereunder, and that the Plan and all Award
Agreements shall be interpreted and applied by the Committee in a manner consistent with this intent in order to avoid the imposition of any additional tax under Section 409A of the Code. In the event that any (i) provision of the Plan or
an Award Agreement, (ii) Award, payment, transaction or (iii) other action or arrangement contemplated by the provisions of the Plan is determined by the Committee to not comply with the applicable requirements of Section 409A of the
Code and the Treasury Regulations and other guidance issued thereunder, the Committee shall have the authority to take such actions and to make such changes to the Plan or an Award Agreement as the Committee deems necessary to comply with such
requirements; provided, however, that no such action shall adversely affect any outstanding Award without the consent of the affected Participant. No payment that constitutes deferred compensation under Section 409A of the Code
that would otherwise be made under the Plan or an Award Agreement upon a termination of Service will be made or provided unless and until such termination is also a “separation from service,” as determined in accordance with
Section 409A of the Code. Notwithstanding the foregoing or anything elsewhere in the Plan or an Award Agreement to the contrary, if a Participant is a “specified employee” as defined in Section 409A of the Code at the time of
termination of Service with respect to an Award, then solely to the extent necessary to avoid the imposition of any additional tax under Section 409A of the Code, the commencement of any payments or benefits under the Award shall be deferred
until the date that is six (6) months plus one (1) day following the date of the Participant’s termination of Service or, if earlier, the Participant’s death (or such other period as required to comply with Section 409A). In
no event whatsoever shall the Company be liable for any additional tax, interest or penalties that may be imposed on a Participant by Section 409A of the Code or any damages for failing to comply with Section 409A of the Code. 

15.9    Securities Law Compliance. No shares of Common Stock will be issued or transferred pursuant to an Award
unless and until all then applicable requirements imposed by Federal and state securities and other laws, rules and regulations and by any regulatory agencies having jurisdiction, and by any exchanges upon which the shares of Common Stock may be
listed, have been fully met. As a condition precedent to the issuance of shares of Common Stock pursuant to the grant or exercise of an Award, the Company may require the Participant to take 

  
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any reasonable action that the Company determines is necessary or advisable to meet such requirements. The Committee may impose such conditions on any shares of Common Stock issuable under the
Plan as it may deem advisable, including, without limitation, restrictions under the Securities Act under the requirements of any exchange upon which such shares of the same class are then listed, and under any blue sky or other securities laws
applicable to such shares. The Committee may also require the Participant to represent and warrant at the time of issuance or transfer that the shares of Common Stock are being acquired solely for investment purposes and without any current
intention to sell or distribute such shares. 
 15.10    Substitute Awards in Corporate Transactions. Nothing
contained in the Plan shall be construed to limit the right of the Committee to grant Awards under the Plan in connection with the acquisition, whether by purchase, merger, consolidation or other corporate transaction, of the business or assets of
any corporation or other entity. Without limiting the foregoing, the Committee may grant Awards under the Plan to an employee or director of another corporation who becomes an Eligible Person by reason of any such corporate transaction in
substitution for awards previously granted by such corporation or entity to such person. The terms and conditions of the substitute Awards may vary from the terms and conditions that would otherwise be required by the Plan solely to the extent the
Committee deems necessary for such purpose. Any such substitute awards shall not reduce the Share Reserve; provided, however, that such treatment is permitted by applicable law and the listing requirements of the NASDAQ or other
exchange or securities market on which the Common Stock is listed. 
 15.11    Tax Withholding. The Participant
shall be responsible for payment of any taxes or similar charges required by law to be paid or withheld from an Award or an amount paid in satisfaction of an Award. Any required withholdings shall be paid by the Participant on or prior to the
payment or other event that results in taxable income in respect of an Award. The Award Agreement may specify the manner in which the withholding obligation shall be satisfied with respect to the particular type of Award, which may include
permitting the Participant to elect to satisfy the withholding obligation by tendering shares of Common Stock to the Company or having the Company withhold a number of shares of Common Stock having a value equal to the minimum statutory tax or as
otherwise specified in an Award Agreement, or similar charge required to be paid or withheld. 
 15.12    Unfunded
Plan. The adoption of the Plan and any reservation of shares of Common Stock or cash amounts by the Company to discharge its obligations hereunder shall not be deemed to create a trust or other funded arrangement. Except upon the issuance of
shares of Common Stock pursuant to an Award, any rights of a Participant under the Plan shall be those of a general unsecured creditor of the Company, and neither a Participant nor the Participant’s permitted transferees or estate shall have
any other interest in any assets of the Company by virtue of the Plan. Notwithstanding the foregoing, the Company shall have the right to implement or set aside funds in a grantor trust, subject to the claims of the Company’s creditors or
otherwise, to discharge its obligations under the Plan. 
 15.13    Other Compensation and Benefit Plans. The
adoption of the Plan shall not affect any other share incentive or other compensation plans in effect for the Company or any Subsidiary, nor shall the Plan preclude the Company from establishing any other forms of share incentive or other
compensation or benefit program for employees of the Company or any 

  
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Subsidiary. The amount of any compensation deemed to be received by a Participant pursuant to an Award shall not constitute includable compensation for purposes of determining the amount of
benefits to which a Participant is entitled under any other compensation or benefit plan or program of the Company or a Subsidiary, including, without limitation, under any pension or severance benefits plan, except to the extent specifically
provided by the terms of any such plan. 
 15.14    Plan Binding on Transferees. The Plan shall be binding upon
the Company, its transferees and assigns, and the Participant, the Participant’s executor, administrator and permitted transferees and beneficiaries. 

15.15    Severability. If any provision of the Plan or any Award Agreement shall be determined to be illegal or
unenforceable by any court of law in any jurisdiction, the remaining provisions hereof and thereof shall be severable and enforceable in accordance with their terms, and all provisions shall remain enforceable in any other jurisdiction. 

15.16    Governing Law; Jurisdiction. The Plan and all rights hereunder shall be governed by and interpreted in
accordance with the laws of the State of Delaware, without reference to the principles of conflicts of laws, and to applicable federal laws. Any action to enforce any of the provisions of the Plan or any Award Agreement shall be brought in a court
in the State of Texas located in Harris County or, if subject matter jurisdiction exists, in the Houston Division of the U.S. District Court for the Southern District of Texas. The Company and any Participant consent to the jurisdiction of such
courts and to the service of process in any manner provided by applicable Texas or federal law. Each party irrevocably waives any objection which it may now or hereafter have to the laying of the venue of any such suit, action, or proceeding brought
in such court and any claim that such suit, action, or proceeding brought in such court has been brought in an inconvenient forum and agrees that service of process in accordance with the foregoing sentences shall be deemed in every respect
effective and valid personal service of process upon such party. 
 15.17    No Fractional Shares. No fractional
shares of Common Stock shall be issued or delivered pursuant to the Plan or any Award, and the Committee shall determine whether cash, other securities or other property shall be paid or transferred in lieu of any fractional shares of Common Stock
or whether such fractional shares or any rights thereto shall be canceled, terminated or otherwise eliminated. 

15.18    No Guarantees Regarding Tax Treatment. Neither the Company nor the Committee make any guarantees to any
person regarding the tax treatment of Awards or payments made under the Plan. Neither the Company nor the Committee has any obligation to take any action to prevent the assessment of any tax on any person with respect to any Award under Section 409A
of the Code, Section 4999 of the Code or otherwise and neither the Company nor the Committee shall have any liability to a person with respect thereto. 

15.19    Data Protection. By participating in the Plan, each Participant consents to the collection, processing,
transmission and storage by the Company, its Subsidiaries and any third party administrators of any data of a professional or personal nature for the purposes of administering the Plan. 

  
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 15.20    Awards to Non-U.S.
Participants. To comply with the laws in countries other than the United States in which the Company or any of its Subsidiaries or affiliates operates or has employees, Non-Employee Directors or
consultants, the Committee, in its sole discretion, shall have the power and authority to (i) modify the terms and conditions of any Award granted to Participants outside the United States to comply with applicable foreign laws, (ii) take
any action, before or after an Award is made, that it deems advisable to obtain approval or comply with any necessary local government regulatory exemptions or approvals and (iii) establish subplans and modify exercise procedures and other
terms and procedures, to the extent such actions may be necessary or advisable. Any subplans and modifications to Plan terms and procedures established under this Section 15.20 by the Committee shall be attached to this Plan document as
appendices. 
 16.    Term; Amendment and Termination; Stockholder Approval. 

16.1    Term. The Plan shall be effective as of the date of its approval by the stockholders of the Company (the
“Effective Date”). Subject to Section 16.2 hereof, the Plan shall terminate on the tenth anniversary of the Effective Date. 

16.2    Amendment and Termination. The Board may from time to time and in any respect, amend, modify, suspend or
terminate the Plan; provided, however, that no amendment, modification, suspension or termination of the Plan shall materially and adversely affect any Award theretofore granted without the consent of the Participant or the permitted
transferee of the Award. The Board may seek the approval of any amendment, modification, suspension or termination by the Company’s stockholders to the extent it deems necessary in its discretion for purposes of compliance with
Section 162(m) or Section 422 of the Code or for any other purpose, and shall seek such approval to the extent it deems necessary in its discretion to comply with applicable law or listing requirements of the NASDAQ or other exchange or
securities market. Notwithstanding the foregoing, the Board shall have broad authority to amend the Plan or any Award under the Plan without the consent of a Participant to the extent it deems necessary or desirable in its discretion to comply with,
take into account changes in, or interpretations of, applicable tax laws, securities laws, employment laws, accounting rules and other applicable laws, rules and regulations. 

16.3    Re-Approval of Performance Criteria. At the discretion of the
Board, for purposes of compliance with Section 162(m) of the Code, the Company may seek approval by the Company’s stockholders of the Performance Criteria (or other designated performance goals) and such other provisions as determined by
the Board no later than the annual general meeting of stockholders in the third year following the year in which an initial public offering first occurs. 

  
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