*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.†This study was funded by Mannatech, Incorporated. ¹ Sinnott, R.A., Maddela, R.L., Bae, S., & Best, T. The Effect of Dietary Supplements on the Quality of Life of Retired Professional Football Players. Global Journal of Health Science 2013; Vol.5, No.2 (e-Version First TM). Published online November 22, 2012. To learn more about Mannatech products, visit Mannatech.com. Learn more about Mannatech science and related publications and studies at MannatechScience.org. About Mannatech Mannatech, Incorporated, develops high-quality health, weight and fitness, and skincare products that are based on the solid foundation of nutritional science and development standards. Mannatech is dedicated to its platform of Social Entrepreneurship based on the foundation of promoting, aiding and optimizing nutrition where it is needed most around the world. Mannatech’s proprietary products are available through independent sales Associates around the globe including the United States, Canada, South Africa, Australia, New Zealand, Austria, Denmark, Germany, Norway, Sweden, the Netherlands, the United Kingdom, Japan, Taiwan, Singapore, Estonia, Finland, the Republic of Ireland, Czech Republic, the Republic of Korea, Mexico and Namibia. For more information, visit Mannatech.com. 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.