GLG Life Tech Corporation Announces Exercise of Warrants by Strategic Alliance Partner

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Aug. 27, 2008) - GLG Life Tech Corporation (TSX: GLG.TO) ("GLG" or the "Company"), a world leader in the production of high quality stevia, announces that Cargill, Inc. has exercised 1,494,429 warrants at an exercise price of $3.50 for total proceeds to GLG of $5,230,500. The exercise of these warrants resulted in the issuance of 1,494,429 common shares of GLG.

GLG Chairman and CEO Dr. Luke Zhang stated, "We are very pleased with this investment by our strategic alliance partner. GLG plans to use these funds in the development of its Greenfield facilities that are currently under construction and on schedule for production in the fourth quarter this year."

About GLG Life Tech Corporation

GLG Life Tech Corporation specializes in growing, refining, and producing high grade stevia extract, a natural, zero-calorie sweetener. With fully integrated stevia operations, GLG is the leading supplier of high quality stevia production in China. The Company is also engaged in the distribution of nutritional products in China and holds exclusive agreements with Weider Global Nutrition and Shandong Yong He Tang Health Products Chain Stores Ltd., whose franchise network includes over 1,400 locations. Please visit www.glglifetech.com for further information.

About Cargill, Incorporated

Cargill, Incorporated is an international provider of food, agricultural and risk management products and services. With 158,000 employees in 66 countries, the company is committed to using its knowledge and experience to collaborate with customers to help them succeed. For more information, visit http://www.cargill.com.

Forward-looking statements: Certain statements in this press release constitute "forward-looking statements". Such forward-looking statements include, without limitation, statements evaluating the market and general economic conditions and discussing future-oriented costs, expenditures and other financial or operating performances. Often, but not always, forward-looking statements can be identified by the use of words such as "plans", "expects" or "does not expect", "is expected", "budget", "scheduled", "estimates", "forecasts", "intends", "anticipates" or "does not anticipate", or "believes" or variations of such words and phrases or words and phrases that state or indicate that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved. While the Company has based these forward-looking statements on its current expectations about future events, the statements are not guarantees of the Company's future performance and are subject to risks, uncertainties, assumptions and other factors which could cause actual results to differ materially from future results expressed or implied by such forward-looking statements. Such factors include amongst others the effects of general economic conditions, changing foreign exchange rates and actions by government authorities, uncertainties associated with legal proceedings and negotiations, industry supply levels, competitive pricing pressures and misjudgments in the course of preparing forward-looking statements. Please refer to the heading "Risk Factors" in our Annual Information Form in respect of our year-ended December 31, 2007 and the risk factors in our Management's Discussion and Analysis ("MD&A") for the year ended December 31, 2007 for a discussion of these and other factors underlying forward-looking statement, both of which are available on SEDAR at www.sedar.com under the Company's names. In light of these factors, the forward-looking events discussed in this press release might not occur. Further, although the Company has attempted to identify factors that could cause actual actions, events or results to differ materially from those described in forward-looking statements, there may be other factors that cause actions, events or results not to be as anticipated, estimated or intended. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise. As there can be no assurance that forward-looking statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements, readers should not place undue reliance on forward-looking statements.

Contacts

Brian Meadows
GLG Life Tech Corporation
Chief Financial Officer
(604) 641-1368
(604) 641-1214 (FAX)
Email: ir@glglifetech.com
Website: www.glglifetech.com

Ann Tucker
Cargill, Inc.
Director Media Relations & Public Affairs
(952) 742-4057
Email: ann_tucker@cargill.com
Website: www.cargill.com