X0306 4 2014-04-03 0 0001056358 MANNATECH INC MTEX 0001250072 JOBE LARRY A 600 S ROYAL LN #200 COPPELL TX 75019 1 0 0 0 Common stock, Par value $0.0001 per share 2014-04-03 4 P 0 5000 18.118 A 30000 D Common stock, Par value $0.0001 per share 2014-04-03 4 M 0 3333 5.19 A 33333 D Common stock, Par value $0.0001 per share 2014-04-03 4 M 0 1666 5.72 A 34999 D Right to Purchase Common Stock 5.19 2014-04-03 4 M 0 3333 0 D 2022-05-29 Common Stock, Par Value $0.0001 Per Share 5000 1667 D Right to Purchase Common Stock 5.72 2014-04-03 4 M 0 1666 0 D 2023-02-21 Common Stock, Par Value $0.0001 Per Share 5000 3334 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $17.76 to $18.20, inclusive. The reporting person undertakes to provide Mannatech, Incorporated, any security holder of Mannatech, Incorporated, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote of this Form 4. One-third of the stock options vest on the date of grant (May 30, 2012), another one-third of the stock options vest on the first anniversary of the date of grant, and the remaining one-third of the stock options vest on the second anniversary of the date of grant. The options vest in three equal annual installments beginning February 21, 2014. /s/ S. Mark Nicholls, CFO by Power of Attorney 2014-04-03