Document:

ex4_15.htm

    Exhibit
4.15

    TETRA Technologies,
Inc.

    

    NON-EMPLOYEE
CONSULTANT NONQUALIFIED STOCK OPTION AGREEMENT

    

    Pursuant
to the terms of the

    TETRA
Technologies, Inc. 2007 Long Term Incentive Compensation Plan

    

    1.     
Grant of Nonqualified
Option. TETRA Technologies, Inc., a Delaware corporation (“Company”),
hereby grants to [  ] (“Optionee”) the
right, privilege and option as herein set forth (the “Nonqualified Option”) to
purchase up to [x,xxx] shares (the “Shares”) of common stock, $0.01 par value
per share, of the Company (“Common Stock”), subject to and in accordance with
the terms and conditions of this document. This Non-Employee Consultant
Nonqualified Stock Option Agreement (the “Agreement”) is dated as of
[xx/xx/xx]. The
Shares, when issued to Optionee upon exercise of the Nonqualified Option, shall
be fully paid and nonassessable and the Optionee (or the person permitted to
exercise the Nonqualified Option in the event of Optionee’s death) shall be and
have all the rights and privileges of a stockholder of record of the Company
with respect to the Shares acquired upon exercise of the Nonqualified Option,
effective upon such exercise. The Nonqualified Option is granted pursuant to and
to implement in part the TETRA Technologies, Inc. 2007 Long Term Incentive
Compensation Plan (as amended and in effect from time to time, the “Plan”) and
is subject to the provisions of the Plan, which is hereby incorporated herein
and is made a part hereof, as well as the provisions of this Agreement. By
execution of this Agreement, Optionee agrees to be bound by all of the terms,
provisions, conditions and limitations of the Plan as implemented by the
Nonqualified Option and this Agreement, together with all rules and
determinations from time to time issued by the Management and Compensation
Committee (“Committee”) pursuant to the Plan. All capitalized terms have the
meanings set forth in the Plan unless otherwise specifically provided. All
references to specified paragraphs pertain to paragraphs of this Nonqualified
Option unless otherwise provided. The Nonqualified Option is not intended to
qualify as an “incentive stock option” within the meaning of Section 422 of the
Internal Revenue Code of 1986, as amended (the “Code”).

    

    2.     
Option Terms.
Subject to earlier termination as provided herein, the Nonqualified Option shall
expire on the 10th
anniversary of the date of grant of Nonqualified Option, which anniversary shall
be [xx/xx/xx]. The period during which the Nonqualified Option is in effect is
referred to as the “Option Period”.

    

    3.     
Option Exercise
Price. The exercise price (the “Exercise Price”) of the Shares subject to
the Nonqualified Option shall be $[xx.xx] per Share which has been determined to
be no less than the Fair Market Value Per Share of the Common Stock on the date
of grant of the Nonqualified Option.

    

    4.     
Vesting. Subject
to the provisions of this Agreement, including, without limitation, the
following provisions of this Paragraph 4, the total number of Shares subject to
this Nonqualified Option shall vest and be exercisable only in accordance with
the following schedule:

    

    [schedule to be
specified]

    

    The vested Shares
that may be acquired under the Nonqualified Option may be purchased, in whole or
in part, at any time after they become vested during the Option Period. In
addition, the Committee may accelerate vesting and the time at which the
Nonqualified Option may be exercised, (i) upon the occurrence of a Change in
Control in accordance with Paragraph 8 below, or (ii) upon termination of
service as a result of the death, Disability or Retirement of Optionee in
accordance with Paragraph 7 below.

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    5.     
Method of
Exercise. To exercise the Nonqualified Option, Optionee shall deliver
notice to the Company at its principal executive office, directed to the Plan
Administrator, such exercise to be effective at the time of receipt of such
notice at the Company’s principal executive office during normal business hours,
stating the number of Shares with respect to which the Nonqualified Option is
being exercised together with payment for such Shares plus any required
withholding taxes, unless other arrangements for withholding tax liability have
been made with the Committee. The exercise notice shall be delivered in person,
by certified or regular mail, or by such other method (including electronic
transmission) as determined from time to time by the Committee or the Plan
Administrator. Any exercise of the Nonqualified Option must be for a minimum of
100 Shares or, if less, for all remaining Shares subject to the Nonqualified
Option.

    

    6.     
Payment of Exercise
Price and Required Withholding. In order to exercise the Nonqualified
Option, the Optionee or other person or persons entitled to exercise such
Nonqualified Option shall deliver to Company payment in full for (i) the Shares
being purchased and (ii) unless other arrangements have been made with the
Committee, any required withholding taxes. The payment of the Exercise Price for
the Nonqualified Option shall either be (i) in cash, or by check payable and
acceptable to the Company, (ii) with the consent of the Committee, by tendering
to Company shares of Common Stock owned by the person exercising the
Nonqualified Option for more than six months having an aggregate Fair Market
Value as of the date of exercise that is not greater than the full exercise
price for the Shares with respect to which the Nonqualified Option is being
exercised and by paying any remaining amount of the Exercise Price (and any
required withholding taxes) as provided in (i) above, or (iii) with the consent
of the Committee and compliance with such instructions as the Committee may
specify, by delivering to the Company and to a broker a properly executed
exercise notice and irrevocable instructions to such broker to deliver to the
Company cash or a check payable and acceptable to the Company to pay the
exercise price and any applicable withholding taxes. Upon receipt of the cash or
check from the broker, the Company will deliver to the broker the shares for
which the Nonqualified Option is exercised. In the event that the person elects
to make payment as allowed under clause (ii) above, the Committee may, upon
confirming that the Optionee owns the number of additional Shares being
tendered, authorize the issuance of a new certificate for the number of Shares
being acquired pursuant to the exercise of the Nonqualified Option less that
number of Shares being tendered upon the exercise and return to the person (or
not require surrender of) the certificate for the Shares being tendered upon the
exercise. The date of sale of the shares by the broker pursuant to a cashless
exercise under (iii) above shall be the date of exercise of the Nonqualified
Option. If the Committee so requires, such person or persons shall also deliver
a written representation that all Shares being purchased are being acquired for
investment and not with a view to, or for resale in connection with, any
distribution of such Shares.

    

    7.     
Termination of
Service. Termination of service, Retirement, death or Disability of
Optionee, shall affect Optionee’s rights under the Nonqualified Option as
follows:

    

    
      	
               
      

            	
              (a)

            	
              Termination of Service.
      If service of Optionee is terminated for any reason whatsoever other than
      death, Disability or Retirement, subject to the provisions of this Section
      7, any nonvested portion of the Nonqualified Option outstanding at the
      time of such termination and all rights thereunder shall wholly and
      completely terminate and no further vesting shall occur, and Optionee
      shall be entitled to exercise his or her rights with respect to the
      portion of the Nonqualified Option vested as of the date of termination
      for a period that shall end on the earlier of (i) the expiration date set
      forth in the Nonqualified Option with respect to the vested portion of the
      Nonqualified Option or (ii) the date that occurs three (3) months after
      such termination date.

            

    

    

    
      	
               
      

            	
              (b)

            	
              Retirement. Upon
      termination of service as a result of Retirement of
    Optionee:

            

    

     

    
      
        
        

      

      
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              (i)

            	
              any nonvested
      portion of the Nonqualified Option shall immediately terminate and no
      further vesting shall occur; and

            

    

    

    
      	
               
      

            	
              (ii)

            	
              any vested
      portion of the Nonqualified Option shall expire on the earlier of (A) the
      expiration of the Option Period; or (B) the expiration of twelve (12)
      months after the date of
Retirement.

            

    

    

    
      	
               
      

            	
              (c)

            	
              Disability or Death.
      Upon termination of service as a result of Disability or death of Optionee
      or if Optionee retires and dies during the period described in Section
      7(b)(ii) above (hereinafter the “Applicable Retirement Period”), or if the
      Optionee’s service was terminated as a result of Disability and the
      Optionee dies during the period that expires on the earlier of the
      expiration of the Option Period or the first anniversary of the Optionee’s
      termination of service due to Disability (hereinafter the “Applicable
      Disability Period”),

            

    

    

    
      	
               
      

            	
              (i)

            	
              any nonvested
      portion of the Nonqualified Option that has not already terminated shall
      immediately terminate and no further vesting shall occur;
    and

            

    

    

    
      	
               
      

            	
              (ii)

            	
              any vested
      portion of the Nonqualified Option shall expire upon the earlier of (A)
      the expiration of the Option Period or (B) the later of (1) the first
      anniversary of such termination of service as a result of Disability or
      death, or (2) the first anniversary of Optionee’s death during the
      Applicable Retirement Period or the Applicable Disability
      Period.

            

    

    

    
      	
               
      

            	
              (d)

            	
              Notwithstanding
      any other provision of the Nonqualified Option, the Committee, in its
      discretion, may provide that,

            

    

    

    
      	
               
      

            	
              (i)

            	
              upon
      termination of service as a result of the Retirement, Disability or death
      of Optionee, all or a part of any unvested portion of the Nonqualified
      Option shall become vested, and together with the previously vested
      portion of the Nonqualified Option, shall be exercisable for such period
      and upon such terms and conditions as may be determined by the Committee;
      or

            

    

    

    
      	
               
      

            	
              (ii)

            	
              in the event
      that the Optionee ceases to provide service to the Company, the vested
      portion of the Nonqualified Option shall remain exercisable for such
      period and upon such terms and conditions as may be determined by the
      Committee;

            

    

    

    
      	
               
      

            	
              provided,
      however, that no such acceleration of vesting or continuation of
      exercisability shall be effective prior to the date of the Committee’s
      written determination, and no continuation may exceed the expiration of
      the Option Period.

            

    

    

    8.      Change
in Control.

    

    
      	
               
      

            	
              (a)

            	
              Change in Control. In
      the event of a Change in Control described in clauses (ii), (iii) and (iv)
      of the definition of Change in Control under Section 1.2 of the Plan, the
      Committee may accelerate vesting and the time at which the Nonqualified
      Option may be exercised so that the Nonqualified Option may be exercised
      in full for a limited period of time on or before a specified date fixed
      by the Committee, after which the unexercised Nonqualified Option and all
      rights of Optionee thereunder shall terminate, or the Committee may
      accelerate vesting and the time at which the Nonqualified Option may be
      exercised so that the Nonqualified Option may be exercised in full for its
      then remaining term.

            

    

     

    
      
        
        

      

      
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              Notwithstanding
      the above, the Committee shall not be required to take any action
      described in the preceding sentence and any decision made by the
      Committee, in its sole discretion, not to take some or all of the actions
      described in the preceding sentence shall be final, binding and conclusive
      with respect to the Company and all other interested
    persons.

            

    

    

    
      	
               
      

            	
              (b)

            	
              Right of Cash-Out. If
      approved by the Board prior to or within thirty (30) days after such time
      as a Change in Control shall be deemed to have occurred, the Board shall
      have the right for a forty-five (45) day period immediately following the
      date that the Change in Control is deemed to have occurred to require
      Optionee to transfer and deliver to Company the Nonqualified Option in
      exchange for an amount equal to the “cash value” (defined below) of the
      Nonqualified Option. Such right shall be exercised by written notice to
      Optionee. The cash value of the Nonqualified Option shall equal the excess
      of the “market value” (defined below) per Share over the Exercise Price,
      if any, multiplied by the number of Shares subject to the Nonqualified
      Option. For purposes of the preceding sentence, “market value” per Share
      shall mean the higher of (i) the average of the Fair Market Value per
      Share of Common Stock on each of the five trading days immediately
      following the date a Change in Control is deemed to have occurred or (ii)
      the highest price, if any, offered in connection with the Change in
      Control. The amount payable to Optionee by Company pursuant to this
      Paragraph 8(b) shall be in cash or by certified check and shall be reduced
      by any taxes required to be
withheld.

            

    

    

     9.     
Reorganization of
Company and Subsidiaries. The existence of the Nonqualified Option shall
not affect in any way the right or power of Company or its stockholders to make
or authorize any or all adjustments, recapitalizations, reorganizations or other
changes in the Company’s capital structure or its business, or any merger or
consolidation of Company or any issue of bonds, debentures, preferred or prior
preference stock ahead of or affecting the Shares or the rights thereof, or the
dissolution or liquidation of Company, or any sale or transfer of all or any
part of its assets or business, or any other corporate act or proceeding,
whether of a similar character or otherwise.

    

     10.    
Adjustment of
Shares. In the event that at any time after the date of grant the
outstanding shares of Common Stock are changed into or exchanged for a different
number or kind of shares or other securities of the Company by reason of a
merger, consolidation, recapitalization, reclassification, stock split, stock
dividend, combination of shares or the like, the aggregate number of Shares
subject to the Nonqualified Option which have not vested under this Agreement
and the Exercise Price, subject to any required action by the stockholders of
the Company, shall automatically be proportionately adjusted.

     

     11.    
No Rights in
Shares. Optionee shall have no rights as a stockholder in respect of
Shares until such Optionee becomes the holder of record of such
Shares.

    

     12.    
Certain
Restrictions. The certificate issued for the Shares subject to the
restrictions described in this Paragraph 12 may, in the Committee’s discretion,
be issued with an appropriate legend describing such restrictions, and the
Committee may establish an escrow or other custodial arrangement for holding of
the certificate by a person (other than Optionee) selected by the
Committee.

    

    By exercising the Nonqualified Option, Optionee
agrees that if at the time of such exercise the sale of Shares issued hereunder
is not covered by an effective registration statement filed under the Securities
Act of 1933 (Act), Optionee will acquire the Shares for Optionee’s own account
and without a view to resale or distribution in violation of the Act or any
other securities law, and upon any such acquisition Optionee will enter into
such written representations, warranties and agreements as Company may
reasonably request in order to comply with the Act 

     

    
      
        
        

      

      
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    or any other
securities law or with this Agreement. Optionee agrees that Company shall not be
obligated to take any affirmative action in order to cause the issuance or
transfer of Shares hereunder to comply with any law, rule or regulation that
applies to the Shares subject to the Nonqualified Option.

    

     13.     Shares Reserved. Company shall
at all times during the Option Period reserve and keep available such number of
Shares as will be sufficient to satisfy the requirements of this Nonqualified
Option.

    

     14.    
Nontransferability of
Option. The Nonqualified Option evidenced by this Agreement is not
transferable other than by will, the laws of descent and distribution, or
pursuant to a qualified domestic relations order. The Nonqualified Option will
be exercisable during Optionee’s lifetime only by Optionee or by Optionee’s
guardian or legal representative. No right or benefit hereunder shall in any
manner be liable for or subject to any debts, contracts, liabilities, or torts
of Optionee. The Optionee (or his guardian) may, in accordance with rules and
procedures established by the Committee from time to time, transfer, for estate
planning purposes, all or part of the Nonqualified Option to one or more
immediate family members or related family trusts or partnerships or similar
entities as determined by the Committee. To the extent the Nonqualified Option
is transferred in accordance with the provisions of this Paragraph 14, the
Nonqualified Option may only be exercised by the person or persons who acquire a
proprietary interest in the Nonqualified Options pursuant to the
transfer.

    

     15.    
Amendment and
Termination. The Nonqualified Option may not be terminated by the Board
or the Committee at any time without the written consent of Optionee. This
Agreement may be amended in writing by the Company and Optionee, provided the
Company may amend this Agreement unilaterally (i) if the amendment does not
adversely affect the Optionee’s rights hereunder in any material respect, (ii)
if the Company determines that an amendment is necessary to comply with Rule
16b-3 under the Exchange Act, or (iii) if the Company determines that an
amendment is necessary to meet the requirements of the Code or to prevent
adverse tax consequences to the Optionee.

    

     16.    
No Guarantee of
Service. The Nonqualified Option shall not confer upon Optionee any right
with respect to continuance of service with the Company or any Affiliate, nor
shall it interfere in any way with any right Company or any Affiliate would
otherwise have to terminate such Optionee’s service at any time.

    

     17.    
Withholding of
Taxes. Any issuance of Common Stock pursuant to the exercise of the
Nonqualified Option shall not be made until appropriate arrangements
satisfactory to the Company have been made for the payment of any tax amounts
(federal, state, local or other) that may be required to be withheld or paid by
the Company with respect thereto at the minimum statutory rate. Company shall
have the right to take such action as may be necessary or appropriate to satisfy
any such tax withholding obligations.

    

     18.    
No Guarantee of Tax
Consequences. Neither Company nor any Affiliate nor the Board or
Committee makes any commitment or guarantee that any federal or state tax
treatment will apply or be available to any person eligible for the benefits
under the Nonqualified Option.

    

     19.    
Severability. In
the event that any provision of the Nonqualified Option shall be held illegal,
invalid, or unenforceable for any reason, such provision shall be fully
severable, but shall not affect the remaining provisions of the Nonqualified
Option, and the Nonqualified Option shall be construed and enforced as if the
illegal, invalid, or unenforceable provision had never been included
herein.

     

    
      
        
        

      

      
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    20.     Consent
to Electronic Delivery; Electronic Signature. In lieu of receiving
documents in paper format, Optionee agrees, to the fullest extent permitted by
law, to accept electronic delivery of any documents that the Company may be
required to deliver (including, but not limited to, prospectuses, prospectus
supplements, grant or award notifications and agreements, account statements,
annual and quarterly reports, and all other forms of communications) in
connection with this and any other award made or offered by the Company.
Electronic delivery may be via a Company electronic mail system or by reference
to a location on a Company intranet to which Optionee has access. Optionee
hereby consents to any and all procedures the Company has established or may
establish for an electronic signature system for delivery and acceptance of any
such documents that the Company may be required to deliver, and agrees that his
or her electronic signature is the same as, and shall have the same force and
effect as, his or her manual signature.

    

     21.    
Governing Law.
The Nonqualified Option and this Agreement shall be construed in accordance with
the laws of the State of Delaware to the extent federal law does not supersede
and preempt Delaware law.

    

    COMPANY

    TETRA
Technologies, Inc.

    

    

    By:                                                               

          Stuart M.
Brightman

          President
& Chief Executive Officer

    

    

    OPTIONEE

    

    

    By:                                                               

          Non-Employee
Consultant

    
      
         

      

      
        Page 6ex4_16.htm

    Exhibit
4.16

    TETRA Technologies,
Inc.

    

    NON-EMPLOYEE
CONSULTANT RESTRICTED STOCK AGREEMENT

    

    Pursuant
to the terms of the

    TETRA
Technologies, Inc. 2007 Long Term Incentive Compensation Plan

    

    1.     
Grant of Restricted
Stock. TETRA Technologies, Inc., a Delaware corporation (“Company”),
hereby awards to [  ] (“Participant”) all
rights, title and interest in the record and beneficial ownership of [x,xxx]
shares (the “Restricted Stock”) of common stock, $0.01 par value per share, of
the Company (“Common Stock“), subject to and in accordance with the terms and
conditions of this document. This Non-Employee Consultant Restricted Stock
Agreement (“Restricted Stock Agreement”) is dated as of [xx/xx/xx]. The Restricted Stock is
awarded pursuant to and to implement in part the TETRA Technologies, Inc. 2007
Long Term Incentive Compensation Plan (as amended and in effect from time to
time, the “Plan”) and is subject to the restrictions, forfeiture provisions and
other terms and conditions of the Plan, which is hereby incorporated herein and
is made a part hereof, and this Restricted Stock Agreement. By execution of this
Restricted Stock Agreement, Participant agrees to be bound by all of the terms,
provisions, conditions and limitations of the Plan as implemented by this
Restricted Stock Agreement, together with all rules and determinations from time
to time issued by the Management and Compensation Committee (“Committee”)
pursuant to the Plan. All capitalized terms have the meanings set forth in the
Plan unless otherwise specifically provided. All references to specified
paragraphs pertain to paragraphs of this Restricted Stock Agreement unless
otherwise provided.

    

    2.     
Escrow of Restricted
Stock. The Restricted Stock shall be represented by uncertificated shares
designated for the Participant in book-entry registration on the records of the
Company’s transfer agent or, at the discretion of the Company, by a stock
certificate issued and registered in the Participant’s name, in each case
subject to the restrictions set forth in this Restricted Stock Agreement. Any
book-entry uncertificated shares or stock certificates evidencing the Restricted
Stock shall be held in custody by the Company until the restrictions thereon
have lapsed, and as a condition of this award, the Participant shall deliver to
the Company a stock power in substantially the form of Exhibit A attached
hereto, endorsed in blank, with respect to any certificated shares of Restricted
Stock.

    

    The shares of Restricted Stock which are the
subject of this Restricted Stock Agreement shall be subject to the following
legend:

    

    The shares
represented by this certificate or book-entry registration have been issued
pursuant to the terms of the TETRA Technologies, Inc. 2007 Long Term Incentive
Compensation Plan (as amended and restated) and may not be sold, pledged,
transferred, assigned or otherwise encumbered in any manner except as is set
forth in the terms of the Restricted Stock Agreement dated , 20.

    

    In addition, the shares of Restricted Stock
shall be subject to such stop-transfer orders and other restrictive measures as
the Company may deem advisable under applicable securities laws, or to implement
the terms, conditions or restrictions hereunder.

    

    Following the vesting of any portion of the
shares of the Restricted Stock and the removal of any restrictions thereon in
accordance with Paragraph 4 below, the Company will cause all restrictions to be
removed from book-entry registrations or, at the Company’s discretion, issue a
stock certificate, without such restrictive legend, in each case only with

     

    
      
        
        

      

      
        
        

        
          

        

      

      
        
        

      

    

     

    respect to the
vested portion of the shares of the Restricted Stock registered on the Company’s
books and records in the name of the Participant. Following the expiration of
the Restricted Period, the Company will cause all restrictions to be removed
from book-entry registrations or, at the Company’s discretion, issue a stock
certificate, without such restrictive legend, for any shares of the Restricted
Stock that have vested and with respect to which the restrictions imposed
thereon have lapsed, in each case only to the extent such action has not
previously been taken in accordance with the preceding sentence.

    

    3.     
Risk of
Forfeiture. Participant shall immediately forfeit all rights to any
shares of the Restricted Stock which have not vested and with respect to which
the restrictions thereon have not lapsed in the event of the termination,
resignation, or removal of Participant from service as a Non-Employee Consultant
under circumstances that do not cause Participant to become fully vested, and
the restrictions on such shares of Restricted Stock to lapse, under the terms of
the Plan.

    

    4.     
Restricted Period;
Vesting. Subject to the provisions of this Restricted Stock Agreement
including, without limitation, the following provisions of this Paragraph 4, the
total number of shares subject to this Restricted Stock Agreement shall vest,
and the restrictions imposed thereon shall lapse, in accordance with the
following schedule:

    

    [schedule to be
specified]

    

    The period from the
date hereof until the shares of the Restricted Stock have become 100% vested and
the restrictions thereon have lapsed shall be referred to as the “Restricted
Period.”

    

    The Committee may waive all restrictions and
conditions of the Restricted Stock with the result that the shares of Restricted
Stock shall be fully vested and the restrictions thereon shall have lapsed, (i)
upon the occurrence of a Change in Control in accordance with Paragraph 8 below,
or (ii) upon termination of service as a Non-Employee Consultant as a result of
the death, Disability or Retirement of Participant in accordance with Paragraph
7 below.

    

    5.     
Transferability.
During the Restricted Period, the Participant shall not sell, assign, transfer,
pledge, exchange, hypothecate, or otherwise dispose of any shares of the
Restricted Stock prior to vesting in accordance with Paragraph 4 above.
Following the vesting of any shares of Restricted Stock and the removal of any
restrictions thereon in accordance with Paragraph 4, the Participant may hold or
dispose of such shares subject to compliance with (i) the terms and conditions
of the Plan and this Restricted Stock Agreement, (ii) applicable federal or
state securities laws or other applicable law, (iii) applicable rules of any
exchange on which the Company’s securities are traded or listed, and (iv) the
Company’s rules or policies as established by the Company in its sole
discretion.

    

    6.     
Ownership Rights.
Prior to any forfeiture of the shares of Restricted Stock and while such
nonvested shares are restricted, the Participant shall, subject to the terms and
restrictions of this Restricted Stock Agreement and the Plan, have all rights
with respect to the shares of Restricted Stock awarded hereunder including the
right to vote the shares of Restricted Stock, whether or not vested in
accordance with Paragraph 4 above, and the right to receive all dividends, cash
or stock, paid or delivered thereon from and after the date hereof in accordance
with the following provisions. During the Restricted Period, any dividends, cash
or stock, paid or delivered on any of the nonvested shares of the Restricted
Stock, shall be credited to an account for the benefit of the Participant. In
the event of the forfeiture of any nonvested shares of the Restricted Stock, the
Participant shall have no further rights with respect to such Restricted Stock
and shall forfeit any dividends, cash or stock, credited to the account for the
benefit of the Participant which are related to the forfeited shares of
Restricted Stock. To the extent the shares of Restricted Stock shall become
fully vested and the 

     

    
      
        
        

      

      
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    restrictions
imposed thereon shall lapse pursuant to Paragraph 4 above, all dividends, cash
and stock, if any, credited to the account for the benefit of the Participant
shall be distributed to the Participant without interest.

    

    7.     
Termination of
Service. Subject to any action by the Committee, if Participant’s service
as a Non-Employee Consultant is terminated for any reason whatsoever including,
without limitation, death, Disability or Retirement, any nonvested shares of the
Restricted Stock outstanding at the time of such termination and all rights
thereunder shall be forfeited and no further vesting shall occur, and the
Company shall have the right to repurchase or recover such shares for the amount
of any cash paid therefor. Upon termination of service as a Non-Employee
Consultant as a result of the death, Disability or Retirement of Participant,
the Committee, in its discretion, may provide that all or a portion of any
nonvested shares of the Restricted Stock subject to this Restricted Stock
Agreement shall become vested; provided, however, that no acceleration of
vesting and waiver of restrictions will be effective prior to the date of the
Committee’s written determination.

    

    8.      Change
in Control.

    

    
      	
               
      

            	
              (a)

            	
              Change in Control. In
      the event of a Change in Control described in clauses (ii), (iii) and (iv)
      of the definition of Change in Control under Section 1.2 of the Plan, the
      Committee may waive all restrictions and conditions of all Restricted
      Stock then outstanding with the result that the shares of Restricted Stock
      shall be fully vested and all restrictions shall be deemed satisfied, and
      the Restricted Period shall be deemed to have expired as of the date of
      the Change in Control or such other date as may be determined by the
      Committee.

            

    

    

    
      	
               
      

            	
              Notwithstanding
      the above, the Committee shall not be required to take any action
      described in the preceding sentence and any decision made by the
      Committee, in its sole discretion, not to take some or all of the actions
      described in the preceding sentence shall be final, binding and conclusive
      with respect to the Company and all other interested
    persons.

            

    

    

    
      	
               
      

            	
              (b)

            	
              Right of Cash-Out. If
      approved by the Board prior to or within thirty (30) days after such time
      as a Change in Control shall be deemed to have occurred, the Board shall
      have the right for a forty-five (45) day period immediately following the
      date that the Change in Control is deemed to have occurred to require
      Participant to transfer and deliver to Company all unvested shares of
      Restricted Stock hereunder with respect to which the restrictions have not
      lapsed in exchange for an amount equal to the “cash value” (defined below)
      of such shares of Restricted Stock. Such right shall be exercised by
      written notice to Participant. The cash value of such shares of Restricted
      Stock shall equal the “market value” (defined below) per share, multiplied
      by the number of unvested shares of Restricted Stock hereunder with
      respect to which the restrictions have not lapsed. For purposes of the
      preceding sentence, “market value” per share shall mean the higher of (i)
      the average of the Fair Market Value per share of Common Stock on each of
      the five trading days immediately following the date a Change in Control
      is deemed to have occurred or (ii) the highest price, if any, offered in
      connection with the Change in Control. The amount payable to Participant
      by Company pursuant to this Section 8(b) shall be paid in cash or by
      certified check and shall be reduced by any taxes required to be
      withheld.

            

    

    

    9.     
Reorganization of
Company and Subsidiaries. The existence of the Restricted Stock shall not
affect in any way the right or power of Company or its stockholders to make or
authorize any or all adjustments, recapitalizations, reorganizations or other
changes in the Company’s capital structure or its business, or any merger or
consolidation of Company or any 

     

    
      
        
        

      

      
        Page 3

        
          

        

      

      
        
        

      

    

     

    issue of bonds,
debentures, preferred or prior preference stock ahead of or affecting the shares
of Restricted Stock or the rights thereof, or the dissolution or liquidation of
Company, or any sale or transfer of all or any part of its assets or business,
or any other corporate act or proceeding, whether of a similar character or
otherwise.

    

    10.    
Adjustment of
Shares. In the event that at any time after the date of this Restricted
Stock Agreement the outstanding shares of Common Stock are changed into or
exchanged for a different number or kind of shares or other securities of the
Company by reason of a merger, consolidation, recapitalization,
reclassification, stock split, stock dividend, combination of shares or the
like, the aggregate number of shares of Restricted Stock which have not vested
under this Restricted Stock Agreement, subject to any required action by the
stockholders of the Company, shall automatically be proportionately
adjusted.

    

     11.    
Certain
Restrictions. By executing this Restricted Stock Agreement, Participant
agrees that if at the time of delivery of the shares of Restricted Stock issued
hereunder any sale of such shares of Common Stock is not covered by an effective
registration statement filed under the Securities Act of 1933 (“Act”), the
shares of Restricted Stock may be subject to such stop-transfer orders, legends
and other restrictive measures as the Company shall require and the Participant
will acquire the shares of Restricted Stock for Participant’s own account and
without a view to resale or distribution in violation of the Act or any other
securities law, and upon any such acquisition Participant will enter into such
written representations, warranties and agreements as Company may reasonably
request in order to comply with the Act or any other securities law or with this
Restricted Stock Agreement. Participant agrees that the Company shall not be
obligated to take any affirmative action in order to cause the issuance or
transfer of shares of Restricted Stock hereunder to comply with any law, rule or
regulation that applies to the shares of Restricted Stock subject to this
Restricted Stock Agreement.

    

    12.    
Amendment and
Termination. This Restricted Stock Agreement may not be terminated by the
Board or the Committee at any time without the written consent of Participant.
This Restricted Stock Agreement may be amended in writing by the Company and
Participant, provided the Company may amend this Restricted Stock Agreement
unilaterally (i) if the amendment does not adversely affect the Participant’s
rights hereunder in any material respect, (ii) if the Company determines that an
amendment is necessary to comply with Rule 16b-3 under the Exchange Act, or
(iii) if the Company determines that an amendment is necessary to meet the
requirements of the Code or to prevent adverse tax consequences to the
Participant. No amendment or termination of the Plan will adversely affect the
rights and privileges of Participant under this Restricted Stock Agreement or to
the Restricted Stock granted hereunder without the written consent of
Participant.

    

     13.    
No Guarantee of
Service. Neither this Restricted Stock Agreement nor the award of
Restricted Stock evidenced hereby shall confer upon Participant any right with
respect to continuance of service as a Non-Employee Consultant or other service
with the Company or any Affiliate, nor shall it interfere in any way with any
right the Company or any Affiliate would otherwise have to terminate such
Participant’s service at any time.

    

    14.     Tax
Matters.

    

    
      	
               
      

            	
              (a) Company
      shall have the right to (i) make deductions from the number of shares of
      Restricted Stock otherwise deliverable upon vesting of the Restricted
      Stock and satisfaction of the conditions precedent under this Restricted
      Stock Agreement in an amount sufficient to satisfy withholding of any
      federal, state or local taxes required by law, or (ii) take such other
      action as may be necessary or appropriate to satisfy any such tax
      withholding obligations.

            

    

     

    
      
        
        

      

      
        Page 4

        
          

        

      

      
        
        

      

    

     

    
      	
               
      

            	
              (b) Under
      Section 83 of the Internal Revenue Code of 1986, as amended (the “Code”),
      the difference between the purchase price paid, if any, for the shares of
      Restricted Stock and their fair market value on the date of vesting when
      any forfeiture restrictions applicable to such shares lapse will be
      reportable as ordinary income at that time. For this purpose, “forfeiture
      restrictions” include the Company’s rights to reacquire the shares of the
      unvested Restricted Stock described above. Participant may elect to be
      taxed at the effective time of this award when the shares are acquired
      rather than when such shares vest and cease to be subject to such
      forfeiture restrictions by filing an election under Section 83(b) of the
      Code with the Internal Revenue Service within thirty (30) days after the
      date hereof. If such an election is made, Participant will have to make a
      tax payment to the extent the purchase price, if any, is less than the
      fair market value of the shares on the date hereof. No tax payment will
      have to be made to the extent the purchase price, if any, is at least
      equal to the fair market value of the shares on the date hereof. Failure
      to make this filing within the thirty (30) day period will result in the
      recognition of ordinary income by Participant as the shares of Restricted
      Stock vest and the forfeiture restrictions
  lapse.

            

    

    

    
      	
               
      

            	
              PARTICIPANT
      ACKNOWLEDGES THAT IT IS PARTICIPANT’S SOLE RESPONSIBILITY, AND NOT THE
      COMPANY’S, TO FILE A TIMELY ELECTION UNDER SECTION 83(b) IF PARTICIPANT
      ELECTS TO DO SO, EVEN IF PARTICIPANT REQUESTS THE COMPANY OR ITS
      REPRESENTATIVES TO MAKE THIS FILING ON PARTICIPANT’S BEHALF. PARTICIPANT
      MUST AND IS RELYING SOLELY ON PARTICIPANT’S OWN ADVISORS WITH RESPECT TO
      THE DECISION AS TO WHETHER OR NOT TO FILE ANY SECTION 83(b)
      ELECTION.

            

    

    

    
      	
               
      

            	
              (c) Neither
      Company nor the Board or Committee makes any commitment or guarantee that
      any federal or state tax treatment will apply or be available to any
      person eligible for the benefits under this Restricted Stock
      Agreement.

            

    

    

     15.    
Community Interest of
Spouse. The community interest, if any, of any spouse of Participant in
any Restricted Stock shall be subject to all of the terms, conditions and
restrictions of this Restricted Stock Agreement and the Plan.

    

     16.    
Consent to Electronic
Delivery; Electronic Signature. In lieu of receiving documents in paper
format, Participant agrees, to the fullest extent permitted by law, to accept
electronic delivery of any documents that the Company may be required to deliver
(including, but not limited to, prospectuses, prospectus supplements, grant or
award notifications and agreements, account statements, annual and quarterly
reports, and all other forms of communications) in connection with this and any
other award made or offered by the Company. Electronic delivery may be via a
Company electronic mail system or by reference to a location on a Company
intranet to which Participant has access. Participant hereby consents to any and
all procedures the Company has established or may establish for an electronic
signature system for delivery and acceptance of any such documents that the
Company may be required to deliver, and agrees that his or her electronic
signature is the same as, and shall have the same force and effect as, his or
her manual signature.

    

     17.    
Severability. In
the event that any provision of this Restricted Stock Agreement shall be held
illegal, invalid, or unenforceable for any reason, such provision shall be fully
severable, but shall not affect the remaining provisions of this Restricted
Stock Agreement, and this Restricted Stock Agreement shall be construed and
enforced as if the illegal, invalid, or unenforceable provision had never been
included herein.

     

    
      
        
        

      

      
        Page 5

        
          

        

      

      
        
        

      

    

     

     18.    
Governing Law.
This Restricted Stock Agreement shall be construed in accordance with the laws
of the State of Delaware to the extent federal law does not supersede and
preempt Delaware law.

    

    COMPANY

    TETRA
Technologies, Inc.

    

    

    By:                                                                

          Stuart
M. Brightman

          President
& Chief Executive Officer

    

    

    PARTICIPANT

    

    

    By:                                                              

          Non
Employee Consultant

    
      
         

      

      
        Page 6

        
          

        

      

       

    

    

    Exhibit
A

    

    Assignment Separate from
Certificate

    

    FOR VALUE
RECEIVED, [ ] hereby sells, assigns and transfers unto TETRA Technologies,
Inc., a Delaware corporation (the “Company”), [ ] ([ ]) shares of common stock
of the Company represented by Certificate No. [ ] herewith and does hereby
irrevocably constitute and appoint , or his designee or successor, attorney to
transfer the said stock on the books of the Company with full power of
substitution in the premises.

    

    Dated:[ ], 20[ ]

     

                  
                                

    Print Name

     

     

                                                      

    Signature

    

    

    Spouse Consent (if
applicable)

    

    [ ] (Purchaser’s
spouse) indicates by the execution of this Assignment his or her consent to be
bound by the terms of the Restricted Stock Agreement as to his or her interests,
whether as community property or otherwise, if any, in the shares of common
stock of the Company.

     

    
       

                                                        

      Signature

    
 

    INSTRUCTIONS:
PLEASE DO NOT FILL IN ANY BLANKS OTHER THAN THE SIGNATURE LINE. THE PURPOSE OF
THIS ASSIGNMENT IS TO ENABLE THE COMPANY TO EXERCISE ITS “REPURCHASE OPTION” SET
FORTH IN THE RESTRICTED STOCK AGREEMENT WITHOUT REQUIRING ADDITIONAL SIGNATURES
ON THE PART OF THE PURCHASER.

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