Mannatech, Incorporated Announces Increase in Quarterly Dividend Coppell, TX (NASDAQ MTEX)

Mannatech, Incorporated Announces Increase in Quarterly Dividend

Coppell, TX (NASDAQ MTEX)

March 13, 2007 Mannatech, Incorporated announced that today its Board of Directors declared a 12.5% increase in its regular quarterly cash dividend. The new quarterly dividend rate will be $0.09 per common share as compared to

$0.08 per common share in the prior year. The next quarterly dividend is payable on Friday, April 13, 2007, to shareholders of record at the close of business on Wednesday, March 28, 2007.

Sam Caster, Chairman and CEO of Mannatech, said, This is the third consecutive year we have increased our dividend payment to our shareholders. The strong

financial position of our company supports our continuing dividend program. Our commitment remains to continue to return value to our shareholders.

Mannatech, Incorporated is a global wellness solutions provider of innovative, high-quality, proprietary nutritional

supplements, topical and skin-care products, and weight management products sold through independent Associates and Members located in the United States and the international markets of Canada, Australia, the United Kingdom, Japan, New Zealand, the

Republic of Korea, Taiwan, Denmark, and Germany.

Please Note: This release contains forward-looking statements within the meaning of

Section 27A of the Securities Act of 1933, as amended, Section 21E of the Securities Exchange Act of 1934, as amended, and the Private Securities Litigation Reform Act of 1995. These forward-looking statements generally can be identified

by use of phrases or terminology such as may, believes, enthusiastic, demonstrates, intends, optimistic, and plans or other similar words or the negative of such

terminology. Similarly, descriptions of Mannatech s objectives, strategies, plans, goals or targets contained herein are also considered forward-looking statements. Mannatech believes this release should be read in conjunction with all of its

filings with the United States Securities and Exchange Commission and cautions its readers that these forward-looking statements are subject to certain events, risks, uncertainties, and other factors. Some of these factors include, among others,

Mannatech s inability to attract and retain associates and members, increases in competition, litigation, regulatory changes, and its planned growth into new international markets. Although Mannatech believes that its expectations, statements,

and assumptions reflected in these forward-looking statements are reasonable, it cautions its readers to always consider all of the risk factors and any other cautionary statements carefully in evaluating each forward-looking statement in this

release, as well as those set forth in its latest Annual Report on Form 10-K, and other filings filed with the United States Securities and Exchange Commission, including its current reports on Form 8-K. All of the forward-looking statements

contained herein speak only as of the date of this release.

Contact Information:

Gary Spinell, Vice President

Corporate web site: www.mannatech.com