Mannatech to Showcase Latest Sales and Marketing Developments at its Second Largest...

Mannatech to Showcase Latest Sales and Marketing Developments at its Second Largest North American Event

MannaQuest Presentation Highlights Include ESPN Commentator & Hall
of Famer Nancy Lieberman, Appearances by International Team
Mannatech(TM) Athletes and Fat Loss Product Launch
COPPELL, Texas--(Business Wire)--
Mannatech, Incorporated (NASDAQ:MTEX), a leading developer and
provider of dietary supplements and skin care solutions, announced its
speaker line-up, including Nancy Lieberman, ESPN commentator and WNBA
basketball legend, and events for MannaQuest 2008, the company's
second largest North American event. The event will be held at the
Hyatt Regency O'Hare in Rosemont, Ill., from Wednesday, Sept. 3,
through Saturday, Sept. 6.

More than 1,500 independent sales Associates and Members from the
11 countries where Mannatech does business are expected to attend this
year's MannaQuest. Attendees will have the opportunity to learn from
the experience of Mannatech President and CEO Wayne Badovinus in
leading retail giants like Eddie Bauer and Nordstrom. Additionally,
Mannatech executives Al Bala, senior VP of global business
development; Sam Caster, founder and chairman; and Rob Sinnott, MNS,
PhD, chief science officer and senior VP, will also be speaking at the
convention on various topics, including product positioning for the
growing wellness market, and business-building opportunities and
strategies.

"We are excited to announce the soft launch of our revolutionary
new fat loss product at MannaQuest," Badovinus said. "The annual
training weekend provides a valuable opportunity for our independent
sales Associates from around the world to learn about our new
products, participate in intense training sessions and collaborate
with other Associates and executives."

Team Mannatech athletes from around the world will also be in
attendance signing autographs and speaking. Approximately 13
international athletes will participate, including Former Dallas
Cowboy's wide receiver Butch Johnson, master martial arts team Chip
and Glyn Ann Townsend, and current and former Olympians Jayson Jones,
Freddie Williams and Christal Ransom.

About Mannatech

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,
Germany, and South Africa.

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 "intend" 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 the expectations,
statements, and assumptions reflected in these forward-looking
statements are reasonable, it cautions 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 Quarterly
Report on Form 10-Q, 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.

Mannatech, Incorporated
Gary Spinell, 972-471-6512
Vice President
Corporate Communications
ir@mannatech.com
www.mannatech.com
www.exploremannatech.com
www.allaboutmannatech.com

Copyright Business Wire 2008