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Exhibit 10.2
 
FIRST AMENDMENT TO EMPLOYMENT AGREEMENT
 
This First Amendment to Employment Agreement (this “Amendment”), dated as of
December ___, 2008, is entered into by and between Mannatech, Incorporated (the
“Company”) and Robert A. Sinnott, MNS, PhD (“Employee”).
 
RECITALS
 
This Amendment amends that certain Employment Agreement, effective as of October
5, 2007, by and between the Company and Employee (the “Employment Agreement”).
 
STATEMENT OF AGREEMENT
 
NOW, THEREFORE, in consideration of the foregoing and other good and valuable
consideration, the receipt and sufficiency of which is hereby acknowledged, the
parties hereto hereby agree as follows:
 
1.                    The first sentence of Section 1.2 of the Employment
Agreement is hereby amended and restated in its entirety to read as follows:
 
“The Employee shall serve as Senior Vice President and Global Chief Science
Officer of the Company, with the authority, duties and responsibilities
described herein and those customarily incident to such office.”
 
2.                   This Amendment may be executed in multiple counterparts,
each of which shall be deemed an original, but all of which together shall
constitute one and the same instrument.
 
3.                   This Amendment and the Employment Agreement and the
documents referred to herein and therein constitute the entire agreement among
the parties and supersede in all respects any other agreement or understanding
among the parties.  No party shall be liable or bound to any other party in any
manner by any warranties, representations, or covenants except as specifically
set forth herein or therein.
 
4.                    In case any one or more of the provisions contained in
this Amendment should be invalid, illegal or unenforceable in any respect, the
validity, legality or enforceability of the remaining provisions contained
herein shall not in any way be affected or impaired thereby.
 
5.                    This Amendment shall be governed by, and enforced and
construed under, the laws of the State of Texas.
 
[SIGNATURE PAGE FOLLOWS]
 

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IN WITNESS WHEREOF, the parties have executed this Amendment as of the date
first above written.
 

 
COMPANY:
   
MANNATECH, INCORPORATED
       
By:
      
Wayne Badovinus
   
President and Chief Executive Officer
       
EMPLOYEE:
             
Robert A. Sinnott, MNS, PhD

 

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