MANNATECH INC — Director's Dealing 2010

May 13, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: MANNATECH INC (MTEX)
CIK: 0001056358
Period of Report: 2010-05-12

Reporting Person: Clark Natalie Lynne (Sr.VP, North America)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-05-12	Right to Purchase Common Stock	$3.28	A	25000	Acquired	2020-05-11	Common Stock, Par Value $0.0001 per share (25000)	Direct

Footnotes

F1: The stock options will vest 1/3 shares on each anniversary of the grant over the next three years.