Mannatech Announces Results of Annual Shareholders' and Board of Directors Meetings

Shareholders Approved All Proposals, New President and CEO
Badovinus Joins Board of Directors
COPPELL, Texas--(Business Wire)--
Mannatech, Incorporated (NASDAQ: MTEX), a leading developer and
provider of dietary supplements and skin care solutions, announced
that its shareholders passed all three proposals put to a vote of its
shareholders at Mannatech's annual shareholder meeting held Wednesday,
June 18, 2008.

Mannatech's new President and Chief Executive Officer, Wayne L.
Badovinus, was introduced to shareholders, employees, and visitors by
Chairman of the Board, Samuel L. Caster.

Also at the meeting a discussion of the company's results and
accomplishments was led by Sam Caster, along with Terry L. Persinger,
former president and chief executive officer, and Stephen D.
Fenstermacher, chief financial officer and senior vice president.
Additional highlights discussed at the meeting related to Mannatech's
operations for 2007 and for the first quarter of 2008.

More than 97% of shareholders voting in person or by proxy
approved Mannatech's proposal to elect the following to its Board of
Directors (the "Board") as Class III Directors: Alan D. Kennedy,
Robert C. Blattberg, Ph.D., Robert Toth, and Terry L. Persinger. Mr.
Persinger, who retired as Mannatech's president and chief executive
officer on June 15, 2008, resigned from the Board effective June 19,
2008. Wayne Badovinus was appointed to the Board in today's Board
proceedings filling the vacancy created by Terry's resignation.

Approximately 99% of Mannatech's shareholders voting in person or
by proxy at the meeting and entitled to vote also ratified the
appointment of Mannatech's independent registered public accounting
firm, BDO Seidman, LLP, for Mannatech's fiscal year ended December 31,
2008. Approval of this proposal required the affirmative vote of a
majority of the outstanding shares entitled to vote and represented in
person or by proxy at the meeting.

Approximately 92% of Mannatech's shareholders voting in person or
by proxy at the meeting entitled to vote also approved Mannatech's
2008 Stock Incentive Plan. Approval of this proposal required the
affirmative vote of a majority of the outstanding shares entitled to
vote and represented in person or by proxy at the meeting.

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

Copyright Business Wire 2008