MANNATECH SELECTED AS A TOP PRICE-PERFORMING MICRO-CAP COMPANY

Mannatech, Inc. (NASDAQ -MTEX) is represented in the Equity Investors 26-Week Micro-Cap Review in the current issue of Business Week magazine. Mannatechs selection was based on its placement in the top 10% of approximately 3,700 domestic companies with market capitalizations under $200 million.

For Immediate Release

MANNATECH SELECTED AS A TOP PRICE-PERFORMING MICRO-CAP COMPANY

COPPELL, TX (March 27, 2002)--Mannatech, Inc. (NASDAQ -MTEX) is represented in the
Equity Investors 26-Week Micro-Cap Review in the current issue of Business Week magazine. Mannatechs selection was based on its placement in the top 10% of approximately 3,700 domestic companies with market capitalizations under $200 million.

Companies were rated in terms of share price performance for the 26-week period ending
December 31, 2001. The average share price gain of the 26 micro-cap firms profiled rose 112% for the 26-week period in contrast to a 5% drop in the Dow Jones Industrial Average, a 6% drop in the S&P 500, and a 10% drop in the NASDAQ Composite Index for the same period.

Micro-cap stocks and companies are gaining more attention these days," commented
Mannatech CEO Robert M. Henry. With the economy easing out of a recession, it is an advantageous time for smaller growth stocks. As a key nutraceutical stakeholder in the field of carbohydrate technology, Mannatech is in a good position for growth."

Mannatech, Inc. develops proprietary nutritional supplements and topical products which it sells through a network marketing system throughout the United States and the international markets of Canada, Australia, the United Kingdom and Japan.

Contact:   Steve Fenstermacher, Chief Financial Officer
      Investor Relations 972-471-6512 or IR@mannatech.com