Document:

Form of Restricted Stock Award Agreement

 Exhibit 10.2 
 Restricted Stock Award (#) ____ 
 MANNATECH, INCORPORATED 

2008 STOCK INCENTIVE PLAN 
 RESTRICTED STOCK AWARD CERTIFICATE 
 This Restricted Stock Award Certificate (this “Certificate”) is
to certify that Mannatech, Incorporated, a Texas corporation (the “Company”), has offered you (the “Participant”) the right to receive Common Stock (the
“Restricted Stock” or “Shares”) of the Company under the Company’s 2008 Stock Incentive Plan (the “Plan”), as follows: 
  

					
	Name of Participant:	  	  
	  	 
			
	Address of Participant:	  	  
	  	
		  	  
	  	
		  	  
	  	
			
	Number of Shares:	  	  
	  	
			
	Offer Grant Date:	  	  
	  	
			
	Offer Expiration Date:	  	15 Days after the Offer Grant Date	  	
			
	Vesting	  		  	
	Commencement Date:	  	  
	  	
			
	Vesting Schedule:	  		  	

 By your signature and the signature of the Company’s representative below, you and the Company agree to be
bound by all of the terms and conditions of the Plan and the Restricted Stock Award Agreement attached hereto as Annex I (both incorporated herein by this reference as if set forth in full in this document). By executing this Certificate, you
hereby irrevocably elect to accept the Restricted Stock Award rights granted pursuant to this Certificate and the Restricted Stock Award Agreement and to receive the shares of Restricted Stock of the Company designated above, subject to the terms of
the Plan, this Certificate and the Restricted Stock Award Agreement. 
  

									
	PARTICIPANT:	 		 	MANNATECH, INCORPORATED
				
	  
	 		 	By:	 	  

	, an individual	 		 		 	Keith Clark, Senior Vice President and General Counsel
					
	Dated:	 	  
	 		 	Dated:	 	  

 ANNEX I 
 MANNATECH, INCORPORATED 
 2008 STOCK INCENTIVE PLAN 
 RESTRICTED STOCK AWARD AGREEMENT 
 This
Restricted Stock Award Agreement (this “Agreement”), is made and entered into on the execution date of the Stock Award Certificate to which it is attached (the “Certificate”), by and
between Mannatech, Incorporated, a Texas corporation (the “Company”), and the Director, Employee or Consultant (the “Participant”) named in the Certificate. 
 Pursuant to the Mannatech, Incorporated 2008 Stock Incentive Plan (the “Plan”), the Administrator of the Plan has
authorized the grant to Participant of the right to receive shares of the Company’s Common Stock, par value $0.0001 per share (the “Award”), upon the terms and subject to the conditions set forth in this Agreement and in
the Plan. Capitalized terms not otherwise defined herein shall have the meanings ascribed to them in the Plan. 
 NOW,
THEREFORE, in consideration of the premises and the benefits to be derived from the mutual observance of the covenants and promises contained herein and other good and valuable consideration, the sufficiency of which is hereby acknowledged,
the parties hereto, intending to be legally bound, agree as follows: 
 1. Basis for Award. This Award is made pursuant to the
Plan for valid consideration provided to the Company by the Participant. Participant, by execution of the Certificate, agrees to accept the Restricted Stock Award rights granted pursuant to the Certificate and this Agreement and to receive the
shares of Restricted Stock of the Company designated in the Certificate, subject to the terms of the Plan, the Certificate and this Agreement. 
 2. Restricted Stock Award. The Company hereby awards and grants to Participant, for valid consideration with a value in excess of the aggregate par value of the Common Stock awarded to Participant, the number of shares of Common
Stock of the Company set forth in the Certificate, which shall be subject to the restrictions and conditions set forth in the Plan, the Certificate and in this Agreement (the “Restricted Stock”). One or more stock
certificates representing the number of Shares specified in the Certificate shall hereby be registered in the Participant’s name (the “Stock Certificate”), but shall be deposited and held in the custody of the Company
for the Participant’s account as provided in Section 10 hereof until such Restricted Stock becomes vested. Participant acknowledges and agrees that that Shares may be issued as a book entry with the Company’s transfer agent and
that no physical certificates need be issued for so long as the shares remain Unvested Shares (defined below). Subject to the terms of this Agreement, Participant shall have all the rights of a shareholder with respect to the Restricted Stock while
they are held in the custody of the Company for Participant’s account, including the right to vote the Restricted Stock and to receive any dividends thereon. 
 3. Vesting; Termination of Continuous Service. The Restricted Stock shall vest and restrictions on transfer shall lapse subject to the Vesting Schedule set forth in the Certificate. Except as otherwise provided
in this Section 3 or in an employment agreement the terms of which have been approved by the Administrator, if the Participant’s Continuous Service is terminated for any reason, all unvested shares of Common Stock held in the name
of the Participant on the books of the Company (“Unvested Shares”) shall be forfeited immediately 

  

 Mannatech, Incorporated Restricted Stock Award Agreement 
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and the Participant shall have no rights with respect to such Unvested Shares. If the Participant provided consideration other than in the form of prior
services, upon the termination of the Participant’s Continuous Service for any reason, the Company may elect to repurchase the Participant’s Unvested Shares acquired under this Agreement as provided in Sections 7.1(d) and 11.7 of the Plan
(the “Right of Repurchase”). The Right of Repurchase shall be exercisable with respect to Unvested Shares at a price equal to the lesser of the purchase price at which such Unvested Shares were acquired under this Agreement
or the Fair Market Value of such Unvested Shares. The Right of Repurchase may be exercised by the Company at any time within six (6) months after the date of termination of Participant’s Continuous Service, provided that such exercise may
in any event be extended at the election of the Company to a date that is at least sixty (60) days after the six (6) month anniversary of the date the shares were acquired from the Company. 
 4. Compliance with Laws and Regulations. The issuance and transfer of Common Stock shall be subject to compliance by the Company and Participant
with all applicable requirements of federal and state securities laws and with all applicable requirements of any stock exchange on which the Company’s Common Stock may be listed at the time of such issuance or transfer. 
 5. Tax Withholding. 
 (a) Participant
agrees that, no later than the first to occur of (i) the date as of which the restrictions on the Restricted Stock shall lapse with respect to all or any of the Restricted Stock covered by this Agreement or (ii) the date required by
Section 5(b) below, Participant shall pay to the Company (in cash or to the extent permitted by the Administrator in its sole discretion, by tendering Company Stock held by the Participant, including shares of Restricted Stock held in
escrow that become vested (“Share Withholding”), with a Fair Market Value on the date the Restricted Stock vests equal to the amount of Participant’s minimum statutory tax withholding liability, or to the extent
permitted by the Administrator in its sole discretion, a combination thereof) any federal, state or local taxes of any kind required by law to be withheld, if any, with respect to the Restricted Stock for which the restrictions shall lapse. The
Company shall, to the extent permitted by law, have the right to deduct from any payment of any kind otherwise due to Participant any federal, state or local taxes of any kind required by law to be withheld with respect to the shares of such Company
Stock. Payment of the tax withholding by a Participant who is an officer, director or other “insider” subject to Section 16(b) of the Exchange Act by tendering Company Stock or in the form of Share Withholding is subject to
pre-approval by the Administrator, in its sole discretion, in a manner that complies with the specificity requirements of Rule 16b-3 under the Exchange Act, including the name of the Participant involved in the transaction, the nature of the
transaction, the number of shares to be acquired or disposed of by the Participant and the material terms of the Options involved in the transaction. 
 (b) Participant may elect, within thirty (30) days of the Offer Grant Date, to include in gross income for federal income tax purposes an amount equal to the Fair Market Value of the Restricted Stock less the
amount, if any, paid by the Participant (other than by prior services) for the Restricted Stock granted hereunder pursuant to Section 83(b) of the Internal Revenue Code of 1986, as amended. In connection with any such Section 83(b)
election, Participant shall pay to the Company, or make such other arrangements satisfactory to the Administrator to pay to the Company based on the Fair Market Value of the Restricted Stock on 

  

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the Offer Grant Date, any federal, state or local taxes required by law to be withheld with respect to such Shares at the time of such election. If
Participant fails to make such payments, the Company shall, to the extent permitted by law, have the right to deduct from any payment of any kind otherwise due to Participant any federal, state or local taxes required by law to be withheld with
respect to such Shares. 
 (c) Notwithstanding any other provisions of this Agreement or the Plan, neither the Company nor the Administrator
shall be obligated to transfer or otherwise issue any shares of Common Stock to Participant if Participant has not paid or made arrangements satisfactory to the Administrator to pay to the Company the amount required to satisfy any federal, state or
local taxes required by law to be withheld with respect to such shares. 
 6. No Right to Continued Service. Nothing in this Agreement
shall be deemed by implication or otherwise to impose any limitation on any right of the Company to terminate the Participant’s service at any time. In the event Participant’s Continuous Service with the Company is terminated by the
Company, by Participant or as a result of Participant’s death or disability, no Unvested Shares shall become vested after such termination of Continuous Service. 
 7. Representations and Warranties of Participant. Participant represents and warrants to the Company that: 
 (a) Agrees to Terms of the Plan. Participant has received a copy of the Plan and has read and understands the terms of the Plan, the Certificate and this Agreement, and agrees to be bound by their terms and conditions. Participant
acknowledges that there may be adverse tax consequences upon the vesting of Restricted Stock or disposition of the shares of Common Stock once vested, and that Participant should consult a tax advisor prior to such time. 
 (b) Stock Ownership. Participant is the record and beneficial owner of the shares of Restricted Stock with full right and power to transfer the
Unvested Shares to the Company free and clear of any liens, claims or encumbrances and Participant understands that the stock certificates evidencing the Restricted Stock will bear a legend referencing this Agreement. 
 (c) SEC Rule 144. Participant understands that Rule 144 promulgated under the Securities Act may indefinitely restrict transfer of the Common
Stock so long as Participant remains an “affiliate” of the Company or if “current public information” about the Company (as defined in Rule 144) is not publicly available. 
 8. Compliance with U.S. Federal Securities Laws. Participant understands and acknowledges that notwithstanding any other provision of the
Agreement to the contrary, the vesting and holding of the Common Stock is expressly conditioned upon compliance with the Securities Act and all applicable federal and state securities laws. Participant agrees to cooperate with the Company to ensure
compliance with such laws. 
 9. Forfeiture of Unvested Stock. Unless otherwise provided in an employment agreement the terms of which
have been approved by the Administrator, any Unvested Shares which do not become vested on or before the expiration of the period during which the applicable vesting conditions must occur shall be automatically forfeited and cancelled as outstanding
shares of Common Stock immediately upon the occurrence of the event or time period after which such Unvested Shares may no longer become vested. 
  

 Mannatech, Incorporated Restricted Stock Award Agreement 
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 10. Restrictions on Unvested Shares. 
 (a) Deposit of the Unvested Shares. Participant shall deposit all of the Unvested Shares with the Company to hold until the Unvested Shares become
vested, at which time such vested shares shall no longer constitute Unvested Shares. If requested by the Company, Participant shall execute and deliver to the Company, concurrently with the execution of this Agreement (and/or if requested by the
Company, from time to time thereafter during the Restricted Period), blank stock powers for use in connection with the transfer to the Company or its designee of Unvested Shares that do not become vested. The Company will deliver to Participant the
Stock Certificate for the shares of Common Stock that become vested upon vesting of such shares. 
 (b) Restriction on Transfer of
Unvested Shares. Participant shall not transfer, assign, grant a lien or security interest in, pledge, hypothecate, encumber or otherwise dispose of any of the Unvested Shares, except as permitted by this Agreement. 
 11. Adjustments. The number of Unvested Shares shall be automatically adjusted to reflect any stock split, stock dividend, recapitalization,
merger, consolidation, reorganization, combination or exchanges of shares or other similar event affecting the Company’s outstanding Common Stock subsequent to the date of this Agreement. If Participant becomes entitled to receive any
additional shares of Common Stock or other securities (“Additional Securities”) in respect of the Unvested Shares, the total number of Unvested Shares shall be equal to the sum of (i) the initial Unvested Shares; and,
(ii) the number of Additional Securities issued or issuable in respect of the initial Unvested Shares and any Additional Securities previously issued to Participant. 
 12. Restrictive Legends and Stop-Transfer Orders. 
 (a) Legends. To the extent that stock
certificate(s) representing Unvested Shares are issued in physical form rather than through book entry with the Company’s transfer agent, Participant understands and agrees that the Company will place the legends set forth below or similar
legends on any stock certificate(s) evidencing the Common Stock, together with any other legends that may be required by state or U.S. Federal securities laws, the Company’s Certificate of Incorporation or Bylaws, any other agreement between
Participant and the Company or any agreement between Participant and any third party: 
 THE SHARES REPRESENTED BY THIS CERTIFICATE ARE
SUBJECT TO CERTAIN RESTRICTIONS ON PUBLIC RESALE AND TRANSFER, AS SET FORTH IN A RESTRICTED STOCK AWARD AGREEMENT BETWEEN THE ISSUER AND THE ORIGINAL HOLDER OF THESE SHARES. SUCH PUBLIC SALE AND TRANSFER RESTRICTIONS ARE BINDING ON TRANSFEREES OF
THESE SHARES. 
 The above legend shall be removed at such time as the Shares in question are no longer subject to restrictions on public resale and
transfer pursuant to this Agreement. Any legends required by applicable state or U.S. Federal securities laws shall be removed at such time as such legends are no longer required. 
 (b) Stop-Transfer Instructions. Participant agrees that, to ensure compliance with the restrictions imposed by this Agreement, the Company may
issue appropriate “stop-transfer” instructions to its transfer agent, if any, and if the Company transfers its own securities, it may make appropriate notations to the same effect in its own records. 
  

 Mannatech, Incorporated Restricted Stock Award Agreement 
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 (c) Refusal to Transfer. The Company will not be required (i) to transfer on its books any
shares of Common Stock that have been sold or otherwise transferred in violation of any of the provisions of this Agreement or (ii) to treat as owner of such shares, or to accord the right to vote or pay dividends to any purchaser or other
transferee to whom such shares have been so transferred. 
 13. Modification. The Agreement may not be modified except in writing
signed by the Company and Participant. 
 14. Plan. Except as otherwise provided herein, or unless the context clearly indicates
otherwise, capitalized terms herein which are defined in the Plan have the same definitions as provided in the Plan. The terms and provisions of the Plan are incorporated herein by references, and the Participant hereby acknowledges receiving a copy
of the Plan. In the event of a conflict or inconsistency between the terms and provisions of the Plan and the provisions of this Agreement, the Plan shall govern and control. 
 15. Interpretation. Any dispute regarding the interpretation of this Agreement shall be submitted by Participant or the Company to the Plan
Administrator for review. The resolution of such a dispute by the Plan Administrator shall be final and binding on the Company and Participant. 
 16. Entire Agreement. The Plan and the Certificate are incorporated herein by reference. This Agreement, the Certificate and the Plan constitute the entire agreement of the parties and supersede all prior undertakings and agreements
with respect to the subject matter hereof. If any inconsistency should exist between the nondiscretionary terms and conditions of this Agreement, the Certificate and the Plan, the Plan shall govern and control. 
 17. Notices. Any notice required to be given or delivered to the Company under the terms of this Agreement shall be in writing and addressed to
the Corporate Secretary of the Company at its principal corporate offices. Any notice required to be given or delivered to Participant shall be in writing and addressed to Participant at the address indicated on the signature page hereof or to such
other address as such party may designate in writing from time to time to the Company. All notices shall be deemed to have been given or delivered upon: (a) personal delivery; (b) three (3) days after deposit in the United States mail
by certified or registered mail (return receipt requested); (c) one (1) business day after deposit with any return receipt express courier (prepaid); or (d) one (1) business day after transmission by facsimile or telecopier.

 18. Successors and Assigns. The Company may assign any of its rights under this Agreement. This Agreement shall be binding upon and
inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer set forth herein, this Agreement shall be binding upon Participant and Participant’s heirs, executors, administrators, legal
representatives, successors and assigns. 
 19. Governing Law. This Agreement shall be governed by and construed in accordance with
the laws of the State of Texas without giving effect to its conflict of law principles. If any provision of this Agreement is determined by a court of law to be illegal or unenforceable, then such provision will be enforced to the maximum extent
possible and the other provisions will remain fully effective and enforceable. 
  

 Mannatech, Incorporated Restricted Stock Award Agreement 
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 20. Acceptance. Participant hereby acknowledges receipt of a copy of the Plan and this Agreement.
Participant has read and understands the terms and provisions thereof, and accepts the Award subject to all the terms and conditions of the Plan and this Agreement. Participant acknowledges that there may be adverse tax consequences upon exercise of
the Award or disposition of the Shares and that Participant should consult a tax advisor prior to such exercise or disposition. 
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 Mannatech, Incorporated Restricted Stock Award Agreement 
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 EXHIBIT A 
 Mannatech, Incorporated 2008 Stock Incentive Plan 
 (attached) 
  

 EXHIBIT AForm of Stock Option Agreement

 Exhibit 10.3 
 Stock Option Award (#)              
 MANNATECH, INCORPORATED 
 2008 STOCK INCENTIVE PLAN 
 STOCK OPTION AWARD CERTIFICATE 
 THIS
IS TO CERTIFY that Mannatech, Incorporated, a Texas corporation (the “Company”), has granted you (the “Participant”) an option to purchase Common Stock (the
“Stock” or “Shares”) of the Company under its 2008 Stock Incentive Plan (the “Plan”), as follows: 
  

							
	Name of Participant:	 	  
	  		  	
				
	Address of Participant:	 	  
	  		  	
		 	  
	  		  	
		 	  
	  		  	
				
	Total Option Shares:	 	  
	  		  	
				
	Exercise Price Per Share:	 	  
	  		  	
		
	Type of Option:	 	 ̈    Incentive Stock
Option                 ̈    Nonstatutory Stock Option
				
	Date of Grant:	 	  
	  		  	
				
	Expiration Date:	 	  
	  		  	
				
	 Vesting
 Commencement Date:
	 	  
	  		  	
				
	Vesting Schedule:	 	  
	  		  	

 By your signature and the signature of the Company’s representative below, you and the Company agree to be
bound by all of the terms and conditions of the Stock Option Agreement, which is attached hereto as Annex I and the Plan (both incorporated herein by this reference as if set forth in full in this document). By executing this Certificate, you hereby
irrevocably elect to accept the Stock Option Award rights granted pursuant to this Certificate and the related Stock Option Agreement and to receive the Option to purchase Stock of the Company designated above subject to the terms of the Plan, this
Certificate and the Stock Option Agreement. 
  

									
	PARTICIPANT:	 		 	MANNATECH, INCORPORATED
				
	  
	 		 	By:	 	  

	, an individual	 		 		 	
		 		 	Title :	 	  

					
	Dated:	 	  
	 		 	Dated:	 	  

  

 Mannatech, Incorporated Stock Option Award Certificate 

 Annex I 
 MANNATECH, INCORPORATED 
 2008 STOCK INCENTIVE PLAN 
 STOCK OPTION AGREEMENT 
 This Stock
Option Agreement (this “Agreement”), is made and entered into on the execution date of the Stock Option Award Certificate to which it is attached (the “Certificate”), by and between
Mannatech, Incorporated, a Texas corporation (the “Company”), and the Director, Employee or Consultant (“Participant”) named in the Certificate. 
 Pursuant to the Mannatech, Incorporated 2008 Stock Incentive Plan (the “Plan”), the Administrator of the Plan has
authorized the grant to Participant of the option to purchase shares of the Company’s Common Stock (the “Award”), upon the terms and subject to the conditions set forth in the Certificate, this Agreement and the Plan.
Capitalized terms not otherwise defined herein shall have the meanings ascribed to them in the Plan. 
 NOW, THEREFORE, in
consideration of the premises and the benefits to be derived from the mutual observance of the covenants and promises contained herein and other good and valuable consideration, the sufficiency of which is hereby acknowledged, the parties hereto
agree as follows: 
 1. Grant of Option. The Company hereby grants to Participant an option (this “Option”) to
purchase the total number of shares of Common Stock of the Company set forth in the Certificate as “Total Option Shares” (the “Shares”) at the” Exercise Price Per Share” set forth in the Certificate (the
“Exercise Price”), subject to all of the terms and conditions of the Certificate, this Agreement and the Plan. If designated as an Incentive Stock Option in the Certificate, the Option is intended to qualify as an
“incentive stock option” (an “ISO”) within the meaning of Section 422 of the Internal Revenue Code of 1986, as amended (the “Code”), although the Company makes no representation or
guarantee that such Option will qualify as an ISO. 
 2. Exercise Period; Vesting. Unless expired as provided in Section 3
of this Agreement, this Option may be exercised from time to time after the Date of Grant set forth in the Certificate to the extent the Option has vested in accordance with the vesting schedule set forth in the Certificate. The Shares issued upon
exercise of the Option will be subject to the restrictions on transfer set forth in Section 10 below. Provided Participant continues to provide Continuous Service to the Company or any Affiliate, the Option will become vested according
to the Vesting Schedule in the Certificate. A vested Option may not be exercised for less than a full share. If application of the vesting percentage causes a fractional Share to otherwise become exercisable, such Share shall be rounded down to the
nearest whole Share for each year except for the last year in such vesting period, at the end of which vesting period this Option shall become exercisable for the full remainder of the unexercised Shares subject to the Option. 
 3. Expiration. The Option shall expire on the Expiration Date set forth in the Certificate or earlier as provided in Section 4 below.

  

 Mannatech, Incorporated Stock Option Agreement 

 4. Termination of Continuous Service. 
 4.1. Forfeiture of Unvested Options. If the Participant’s Continuous Service is terminated for any reason, the unvested portion of the Option
shall terminate as set forth in this Section 4.1 and the Participant may exercise the vested portion as provided in this Section 4. Unless otherwise provided in the Plan or an employment agreement the terms of which have been
approved by the Administrator, outstanding Options that are not exercisable at the time the Participant’s Continuous Service terminates for any reason other than Cause (including upon the Participant’s death or Disability) shall be
forfeited and expire at the close of business on the date of such termination. If the Participant’s Continuous Service is terminated as a result of the Participant’s termination for Cause, all outstanding Options granted to the Participant
(whether or not vested), shall be forfeited and expire as of the beginning of business on the date of such termination for Cause. 
 4.2.
Termination for Any Reason Except Death, Disability or Cause. Unless otherwise provided in an employment agreement the terms of which have been approved by the Administrator, if Participant’s Continuous Service is terminated for any
reason, except death, Disability or Cause, the Option, to the extent (and only to the extent) that it would have been exercisable by Participant as of the date of termination of Continuous Service, may be exercised by Participant only within such
period of time ending on the earlier of the Expiration Date or, except as set forth in Section 4.5, the date that is three (3) months following the termination of the Participant’s Continuous Service and the Option shall
thereafter terminate and cease to be exercisable. If, after termination the Option is not exercised within the time specified herein, the Option shall terminate. 
 4.3. Termination Because of Death or Disability. If Participant’s Continuous Service is terminated because of the death or Disability of Participant (or Participant dies within three (3) months of the
date of termination when such termination is for any reason other than Participant’s Disability or for Cause), the Option, to the extent that is exercisable by Participant on the date of termination, may be exercised by Participant (or by the
Participant’s estate, by a person who acquired the right to exercise the Option by bequest or inheritance or by a person designated to exercise the Option upon the Participant’s death) no later than twelve (12) months after the date
of termination, but in any event no later than the Expiration Date. If after such termination of Continuous Service the Option is not exercised within the time specified herein, the Option shall terminate. 
 4.4. Termination for Cause. If the Participant’s Continuous Service is terminated as a result of the Participant’s termination for
Cause, all outstanding Options granted to such Participant (whether or not vested), shall be forfeited and expire as of the beginning of business on the date of such termination for Cause. 
 4.5. Extension of Termination Date. If the exercise of the Option following the termination of the Participant’s Continuous Service for any
reason other than Cause (other than upon the Participant’s death or Disability) would be prohibited at any time solely because the exercise of the Option or issuance of Shares of Common Stock would violate the registration requirements under
the Securities Act or any other state or federal securities law or the rules of any securities exchange or interdealer quotation system, then the Option shall terminate on the 

  

 Mannatech, Incorporated Stock Option Agreement 
 Page 2 

 
earlier of (a) the expiration of the Expiration Date specified in the Certificate or (b) the expiration of a period after termination of the
Participant’s Continuous Service that is three (3) months after the end of the period during which the exercise of the Option would be in violation of such registration or other securities law requirements. 
 4.6. No Obligation to Employ. Nothing in the Plan or this Agreement shall confer on Participant any right to continue in the employ of, or other
relationship with, the Company or any Affiliate, or limit in any way the right of the Company or any Affiliate to terminate Participant’s employment or other relationship at any time, with or without Cause. 
 5. Manner of Exercise. 
 5.1. Stock
Option Exercise Agreement. To exercise this Option, Participant (or in the case of exercise after Participant’s death or incapacity, Participant’s executor, administrator, heir or legatee, as the case may be) must deliver to the
Company an executed stock option exercise agreement in the form attached hereto as Exhibit A, or in such other form as may be approved by the Administrator from time to time (the “Exercise Agreement”), which shall set
forth, inter alia, (a) Participant’s election to exercise the Option, (b) the number of Shares being purchased, (c) any restrictions imposed on the Shares and (d) any representations warranties and agreements
regarding Participant’s investment intent and access to information as may be required by the Company to comply with applicable securities laws. If someone other than Participant exercises the Option, then such person must submit documentation
reasonably acceptable to the Company verifying that such person has the legal right to exercise the Option. 
 5.2. Limitations on
Exercise. The Option may not be exercised unless such exercise is in compliance with all applicable federal and state securities laws, as they are in effect on the date of exercise. The Option may not be exercised for fewer than one
(1) Share or for a fractional Share. If a fractional Share would otherwise become exercisable, such Share shall be rounded down to the nearest whole Share for each year except for the last year of the applicable vesting period, at the end of
which vesting period this Option shall become exercisable for the full remainder of the unexercised Shares subject to the Option. 
 5.3.
Payment. The entire Exercise Price of this Option to purchase Shares issued under the Plan (plus applicable tax withholding) shall be payable in full by cash, wire, or certified or bank check for an amount equal to the aggregate Exercise
Price Per Share for the number of Shares being purchased. Alternatively, in the sole discretion of the Plan Administrator and upon such terms as the Plan Administrator shall approve, the Exercise Price may be paid by: 
 (a) paying all or a portion of the aggregate Exercise Price Per Share for the number of Shares being purchased by delivery to the Company of other shares
of Common Stock, duly endorsed for transfer to the Company, with a Fair Market Value on the date of delivery equal to the exercise price (or portion thereof) due for the number of Shares being acquired, or by means of attestation whereby the
Participant identifies for delivery specific shares of Common Stock where such shares have a Fair Market Value on the date of attestation equal to the exercise price (or portion thereof) and receives a number of Shares equal to the difference
between the number of Shares thereby purchased and the number of identified 

  

 Mannatech, Incorporated Stock Option Agreement 
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attestation shares of Common Stock (collectively a “Stock For Stock Exercise”); provided, however, that the shares of Common Stock
used in such Stock for Stock Exercise (i) have either (1) been held for more than six (6) months (or such longer or shorter period of time required to avoid a charge to earnings for financial accounting purposes) and have been paid
for within the meaning of SEC Rule 144 (and, if such shares were purchased from the Company by use of a promissory note, such note has been fully paid with respect to such shares); or (2) were obtained by Participant in the open public market;
and (ii) are clear of all liens, claims, encumbrances or security interests. Payment of the Exercise Price by a Participant who is an officer, director or other “insider” subject to Section 16(b) of the Exchange Act in the form
of a Stock for Stock Exercise is subject to pre-approval by the Administrator, in its sole discretion, in a manner that complies with the specificity requirements of Rule 16b-3 under the Exchange Act, including the name of the Participant involved
in the transaction, the nature of the transaction, the number of shares to be acquired or disposed of by the Participant and the material terms of the Options involved in the transaction. 
 (b) during any period for which the Common Stock is publicly traded (i.e., the Common Stock is listed on any national securities exchange or traded in
any recognized securities market system), (i) a copy of instructions to a broker-dealer that is a member of the National Association of Securities Dealers (an “NASD Dealer”) directing such broker to sell the Shares for
which this Option is exercised, and to remit to the Company the aggregate Exercise Price of such Option or (ii) through a “margin” commitment from Participant and an NASD Dealer whereby Participant irrevocably elects to exercise the
Option and to pledge the Shares so purchased to the NASD Dealer in a margin account as security for a loan from NASD Dealer in the amount of the total Exercise Price, and whereby the NASD Dealer irrevocably commits upon receipt of such Shares to
forward the total Exercise Price directly to the Company (collectively referred to as a “Cashless Exercise”); provided, however, a Cashless Exercise by a Director or executive officer that involves or may involve a direct or
indirect extension of credit or arrangement of an extension of credit by the Company, a Parent or Subsidiary in violation of Section 402(a) of the Sarbanes-Oxley Act (codified as Section 13(k) of the Securities Exchange Act of 1934, 15
U.S.C. § 78m(k)) shall be prohibited; 
 (c) by any other form of legal consideration that may be acceptable to the Administrator.
However, if there is a stated par value of the shares and applicable law requires, the par value of the shares, if newly issued, shall be paid in cash or cash equivalents. If the Administrator determines that the exercise price may be paid by a
promissory note, the Shares shall be pledged as security for payment of the principal amount of the promissory note and interest thereon. The interest rate payable under the terms of such promissory note shall not be less than the minimum rate (if
any) required to avoid the imputation of additional interest under the Code. Unless the Administrator determines otherwise, shares of Common Stock having a Fair Market Value at least equal to the principal amount of the loan shall be pledged by the
holder to the Company as security for payment of the unpaid balance of the loan and such pledge shall be evidenced by a pledge agreement, the terms of which shall be determined by the Administrator, in its discretion; provided, however, that each
loan shall comply with all applicable laws, regulations and rules of the Board of Governors of the Federal Reserve System and any other governmental agency having jurisdiction. During any period for which the Common Stock is publicly traded (i.e.,
the Common Stock is listed on any national securities exchange or traded in any recognized securities market system) or in which the Company 

  

 Mannatech, Incorporated Stock Option Agreement 
 Page 4 

 
otherwise has any securities registered under Section 12 of the Securities Exchange Act of 1934 (the “Exchange Act”), is
required to file reports under Section 15(d) of the Exchange Act, or has a registration statement pending under the Securities Act of 1933, exercise with a promissory note or other transaction by a Director or executive officer that involves or
may involve a direct or indirect extension of credit or arrangement of an extension of credit by the Company or an Affiliate in violation of section 402(a) of the Sarbanes-Oxley Act (codified as Section 13(k) of the Exchange Act, 15 U.S.C.
§ 78m(k)) shall be prohibited; or 
 (d) by any combination of the foregoing that may be acceptable to the Administrator.

 5.4. Tax Withholding. Prior to the issuance of the Shares upon exercise of the Option, Participant must pay or provide for any
applicable federal, state and local withholding obligations of the Company. If the Administrator permits, Participant also may provide for payment of withholding taxes upon exercise of the Option by one or more of the following means:
(a) tendering a cash payment; (b) a broker assisted Cashless Exercise, (c) tendering previously acquired shares of Common Stock with a Fair Market Value equal to or less than the minimum statutory amount of taxes required to be
withheld by law, or (d) by requesting that the Company retain Shares from the Shares otherwise issuable to the Participant as a result of the exercise of this Option, provided that no Shares are withheld with a Fair Market Value exceeding the
minimum statutory amount of taxes required to be withheld by law (“Share Withholding”). In such case, the Company shall issue the net number of Shares to the Participant by deducting the Shares retained from the Shares
issuable upon exercise. Payment of the tax withholding by a Participant who is an officer, director or other “insider” subject to Section 16(b) of the Exchange Act by a tender of Common Stock or in the form of Share Withholding is
subject to pre-approval by the Administrator, in its sole discretion, in a manner that complies with the specificity requirements of Rule 16b-3 under the Exchange Act, including the name of the Participant involved in the transaction, the nature of
the transaction, the number of shares to be acquired or disposed of by the Participant and the material terms of the Options involved in the transaction. Notwithstanding any other provisions of this Agreement or the Plan, neither the Company nor the
Administrator shall be obligated to transfer or otherwise issue any shares of Company Stock to Participant if the Participant has not paid or made arrangements satisfactory to the Administrator to pay to the Company the amount required to satisfy
any federal, state or local taxes required by law to be withheld with respect to such shares. 
 5.5. Issuance of Shares. Provided
that the Exercise Agreement and payment (including applicable tax withholding) are in form and substance satisfactory to counsel for the Company, the Company shall issue the Shares registered in the name of Participant, Participant’s authorized
assignee, or Participant’s legal representative, and shall deliver certificates representing the Shares with the appropriate legends affixed thereto. Notwithstanding any other provisions of this Agreement or the Plan, neither the Company nor
the Administrator shall be obligated to transfer or otherwise issue any shares of Company Stock to Participant if the Participant has not paid or made arrangements satisfactory to the Administrator to pay to the Company the amount required to
satisfy any federal, state or local taxes required by law to be withheld with respect to such shares. 
  

 Mannatech, Incorporated Stock Option Agreement 
 Page 5 

 6. Notice of Disqualifying Disposition of ISO Shares. If the Option is an ISO, and if Participant
sells or otherwise disposes of any of the Shares acquired pursuant to the ISO on or before the later of (a) the date two (2) years after the Date of Grant, and (b) the date one (1) year after transfer of such Shares to
Participant upon exercise of the Option, Participant shall immediately notify the Company in writing as to the occurrence of the sale and the price realized upon the sale of such Shares. Participant agrees that Participant will satisfy any
obligation in the event any such disposition causes Participant to be subject to income tax withholding by the Company on the compensation income recognized by Participant from the early disposition by payment in cash or out of the current wages or
other compensation payable to Participant. 
 7. Compliance with Laws and Regulations. The exercise of the Option and the issuance and
transfer of Shares shall be subject to compliance by the Company and Participant with all applicable requirements of federal and state securities laws and with all applicable requirements of any stock exchange on which the Company’s Common
Stock may be listed at the time of such issuance or transfer. Participant understands that the Company is under no obligation to register or qualify the Shares with the SEC, any state securities commission or any stock exchange to effect such
compliance. 
 8. Nontransferability of Option. If the Option is an ISO, the Option may not be transferred in any manner other than by
will or by the laws of descent and distribution and may be exercised during the lifetime of Participant only by Participant. Notwithstanding the foregoing, the Participant may, by delivering written notice to the Company, in a form satisfactory to
the Company, designate a third party who, in the event of the death of the Participant, shall thereafter be entitled to exercise the Option. The terms of the Option shall be binding upon the executors, administrators, successors and assigns of
Participant. If the Option is not an ISO, upon written approval by the Administrator, it may be transferred by: (a) a gift or domestic relations order to a member of the Participant’s immediate family (child, stepchild, grandchild, parent,
stepparent, grandparent, spouse, former spouse, sibling, niece, nephew, mother-in-law, father-in-law, son-in-law, daughter-in-law, brother-in-law, or sister-in-law, including adoptive relationships, any person sharing the Participant’s
household (other than a tenant or employee), a trust in which these persons have more than 50% of the beneficial interest, a foundation in which these persons (or the Participant) control the management of assets, and any other entity in which these
persons (or the Participant) own more than 50% of the voting interests; (b) third parties unrelated to the Participant and designated by the Administrator in connection with a program established and approved by the Administrator pursuant to
which Participants may receive a cash payment or other consideration in consideration for the transfer of such Nonstatutory Stock Option; and (c) such other transfers as may be permitted by the Administrator in its sole discretion. 

9. Privileges of Stock Ownership. Participant shall not have any of the rights of a Stockholder with respect to any Shares until the Shares are
issued to Participant. 
 10. Restrictions On Transfer. 
 10.1. Securities Law Restrictions. Regardless of whether the offering and sale of Shares under the Plan have been registered under the
Securities Act or have been registered or qualified under the securities laws of any state, the Company at its discretion may impose 

  

 Mannatech, Incorporated Stock Option Agreement 
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restrictions upon the sale, pledge or other transfer of such Shares (including the placement of appropriate legends on stock certificates or the imposition
of stop-transfer instructions) if, in the judgment of the Company, such restrictions are necessary or desirable in order to achieve compliance with the Securities Act, the securities laws of any state or any other law. 
 10.2. Market Stand-Off. If an underwritten public offering by the Company of its equity securities occurs pursuant to an effective registration
statement filed under the Securities Act, including the Company’s initial public offering or any secondary offering, the Optionee shall not sell, make any short sale of, loan, hypothecate, pledge, grant any option for the repurchase of,
transfer the economic consequences of ownership or otherwise dispose or transfer for value or otherwise agree to engage in any of the foregoing transactions with respect to any Shares without the prior written consent of the Company or its
underwriters, for such period of time from and after the effective date of such registration statement as may be requested by the Company or such underwriters (the “Market Stand-Off”). In order to enforce the
Market Stand-Off, the Company may impose stop-transfer instructions with respect to the Shares acquired under this Agreement until the end of the applicable stand-off period. If there is any change in the number of outstanding shares of Common Stock
by reason of a stock split, reverse stock split, stock dividend, recapitalization, combination, reclassification, dissolution or liquidation of the Company, any corporate separation or division (including, but not limited to, a split-up, a split-off
or a spin-off), a merger or consolidation; a reverse merger or similar transaction, then any new, substituted or additional securities which are by reason of such transaction distributed with respect to any Shares subject to the Market Stand-Off, or
into which such Shares thereby become convertible, shall immediately be subject to the Market Stand-Off. 
 10.3. Administration. Any
determination by the Administrator and its counsel in connection with any of the matters set forth in this Section 10 shall be conclusive and binding on the Optionee and all other persons. 
 11. General. 
 11.1.
Interpretation. Any dispute regarding the interpretation of this Agreement shall be submitted by Participant or the Company to the Administrator for review. The resolution of such a dispute by the Administrator shall be final and binding on
the Company and Participant. 
 11.2. Entire Agreement. The Plan is incorporated herein by reference. This Agreement and the Plan
constitute the entire agreement of the parties and supersede all prior undertakings and agreements with respect to the subject matter hereof. If any inconsistency should exit between the nondiscretionary terms and conditions of this Agreement and
the Plan, the Plan shall govern and control. 
 11.3. Notices. Any notice required to be given or delivered to the Company under the
terms of this Agreement shall be in writing and addressed to the Corporate Secretary of the Company at its principal corporate offices. Any notice required to be given or delivered to Participant shall be in writing and addressed to Participant at
the address indicated above or to such other address as such party may designate in writing from time to time to the Company. All notices shall be deemed to have been given or delivered upon: (a) personal delivery; (b) five (5)

  

 Mannatech, Incorporated Stock Option Agreement 
 Page 7 

 
days after deposit in the United States mail by certified or registered mail (return receipt requested); (c) two (2) business day after deposit
with any return receipt express courier (prepaid); or (d) one (1) business day after transmission by facsimile. 
 11.4.
Successors and Assigns. The Company may assign any of its rights under this Agreement. This Agreement shall be binding upon and inure to the benefit of the successors and assigns of the Company. Subject to the restrictions on transfer set
forth herein, this Agreement shall be binding upon Participant and Participant’s heirs, executors, administrators, legal representatives, successors and assigns. 
 11.5. Governing Law. This Agreement shall be governed by and construed in accordance with the laws of the State of Texas without giving effect to its conflict of law principles. If any provision of this
Agreement is determined by a court of law to be illegal or unenforceable, then such provision will be enforced to the maximum extent possible and the other provisions will remain fully effective and enforceable. 
 12. Acceptance. Participant hereby acknowledges receipt of a copy of the Certificate, the Plan and this Agreement. Participant has read and
understands the terms and provisions thereof and hereof, and accepts the Option subject to all the terms and conditions of the Certificate, the Plan and this Agreement. Participant acknowledges that there may be adverse tax consequences upon
exercise of the Option or disposition of the Shares and that Participant should consult a tax advisor prior to such exercise or disposition. 
 13. Section 409A Limitation. In the event the Administrator determines at any time that this Option has been granted with an exercise price less than Fair Market Value of the Shares subject to the Option on the date the
Option is granted (regardless of whether or not such exercise price is intentionally or unintentionally priced at less than Fair Market Value, or is materially modified at a time when the Fair Market Value exceeds the exercise price), or is
otherwise determined to constitute “nonqualified deferred compensation” within the meaning of Section 409A of the Code, notwithstanding any provision of the Plan or this Option Agreement to the contrary, the Option shall satisfy the
additional conditions applicable to nonqualified deferred compensation under Section 409A of the Code, in accordance with Section 8 of the Plan. The specified exercise date and term shall be the default date and term specified in
Section 8 of the Plan. Notwithstanding the foregoing, the Company shall have no liability to any Participant or any other person if an Option designated as an Incentive Stock Option fails to qualify as such at any time or if an Option is
determined to constitute “nonqualified deferred compensation” within the meaning of Section 409A of the Code and the terms of such Option do not satisfy the additional conditions applicable to nonqualified deferred compensation under
Section 409A of the Code and Section 8 of the Plan. 
  

 Mannatech, Incorporated Stock Option Agreement 
 Page 8 

 EXHIBIT A 
 FORM OF STOCK OPTION EXERCISE AGREEMENT 
  

					
	 ̈    Incentive Stock Option	 	Optionee:	 	  

			
	 ̈    Nonstatutory Stock Option	 	Date:	 	  

 STOCK OPTION EXERCISE NOTICE 
 Mannatech, Incorporated 
 600 S. Royal Lane, Suite 200 
 Coppell, Texas 75019 
 Attention: Chief Financial Officer 
 Ladies and Gentlemen: 
 1. Option. I was granted an option (the
“Option”) to purchase shares of the common stock (the “Shares”) of Mannatech, Incorporated, a Texas corporation (the “Company”),
pursuant to the Company’s 2008 Stock Incentive Plan (the “Plan”), my Certificate of Stock Option Award (the “Certificate”) and my Stock Option Agreement (the
“Option Agreement”) as follows: 
  

											
		  	Grant Number:	  		  	  
	  	
					
		  	Date of Option Grant:	  		  	  
	  	
					
		  	Number of Option Shares:	  		  	  
	  	
						
		  	Exercise Price per Share:	  		  	$	  	  
	  	

 2. Exercise of Option. I hereby elect to exercise the Option to purchase the
following number of Shares, all of which are Vested Shares in accordance with the Certificate and the Option Agreement: 
  

											
		  	Total Shares Purchased:	  	  
	  		  	
					
		  	Total Exercise Price	  		  		  	
		  	(Total Shares X Price per Share)	  	$	  	  
	  		  	

  

 Mannatech, Incorporated Stock Option Exercise Agreement 

 3. Payments. I enclose payment in full of the total exercise price for the Shares in the
following form(s), as authorized by my Option Agreement: 
  

											
		  	 ̈	  	Cash:	 		  	$                                       
                	 	
						
		  	 ̈	  	Check:	 		  	$                                       
                	 	
					
		  	 ̈	  	Cashless Exercise	 		  	Contact Plan Administrator
					
		  	 ̈	  	Tender of Company Stock:	 		  	Contact Plan Administrator

 4. Tax Withholding. I authorize payroll withholding and otherwise will make adequate
provision for the federal, state, local and foreign tax withholding obligations of the Company, if any, in connection with the Option. 
 5.
Optionee Information. 
  

					
		 	My address is:	 	  

		 		 	  

					
			
		 	My Social Security Number is:	 	  

 6. Notice of Disqualifying Disposition. If the Option is an Incentive Stock Option,
I agree that I will promptly notify the Treasurer of the Company if I transfer any of the Shares within one (1) year from the date I exercise all or part of the Option or within two (2) years of the Date of Option Grant. 
 7. Binding Effect. I agree that the Shares are being acquired in accordance with and subject to the terms, provisions and conditions of the
Option Agreement, to all of which I hereby expressly assent. This Agreement shall inure to the benefit of and be binding upon my heirs, executors, administrators, successors and assigns. 
 I understand that I am purchasing the Shares pursuant to the terms of the Plan, the Notice and my Option Agreement, copies of which I have received and
carefully read and understand. 
  

	
	Very truly yours,
	
	  

	(Signature)

 Receipt of the above is hereby acknowledged. 
  

			
	MANNATECH, INCORPORATED
		
	By:	 	  

	Title:	 	  

	Dated:	 	  

  

 Mannatech, Incorporated Stock Option Exercise Agreement 
 Page 2

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