- Stacked trait approval broadens offer to Argentine growers - Reinforces Syngenta corn offer in Argentina BASEL, Switzerland, Dec. 22 /PRNewswire-FirstCall/ -- Syngenta announced today that it has received cultivation approval for its genetically modified corn trait Bt11xGA21 from the Ministry of Agriculture in Argentina. Bt11xGA21 is a double-stacked corn trait combining insect resistance and herbicide tolerance in a single product. The product will be available to Argentine growers for the 2010/2011 season. Davor Pisk, Chief Operating Officer Syngenta Seeds, said: "We are pleased to receive this approval, which underlines the ongoing support for modern agricultural technology in Argentina. Syngenta already has a strong position in corn in Argentina and this approval will further strengthen our offer in the country, while bringing growers higher value and more convenience." Bt11xGA21 stacked corn is approved for cultivation in the United States, Canada and since November in Brazil. Syngenta is one of the world's leading companies with more than 24,000 employees in over 90 countries dedicated to our purpose: Bringing plant potential to life. Through world-class science, global reach and commitment to our customers we help to increase crop productivity, protect the environment and improve health and quality of life. For more information about us please go to http://www.syngenta.com/ or http://www.growmorefromless.com/. Cautionary Statement Regarding Forward-Looking Statements This document contains forward-looking statements, which can be identified by terminology such as 'expect', 'would', 'will', 'potential', 'plans', 'prospects', 'estimated', 'aiming', 'on track' and similar expressions. Such statements may be subject to risks and uncertainties that could cause the actual results to differ materially from these statements. We refer you to Syngenta's publicly available filings with the U.S. Securities and Exchange Commission for information about these and other risks and uncertainties. Syngenta assumes no obligation to update forward-looking statements to reflect actual results, changed assumptions or other factors. This document does not constitute, or form part of, any offer or invitation to sell or issue, or any solicitation of any offer, to purchase or subscribe for any ordinary shares in Syngenta AG, or Syngenta ADSs, nor shall it form the basis of, or be relied on in connection with, any contract therefor. Syngenta International AG Media Office CH-4002 Basel Switzerland Tel: +41 61 323 23 23 Fax: +41 61 323 24 24 http://www.syngenta.com/ Media contact: Medard Schoenmaeckers Switzerland +41 61 323 2323 Analyst/Investor contacts: Jennifer Gough Switzerland +41 61 323 5059 USA +1 202 737 6521 John Hudson Switzerland +41 61 323 6793 USA +1 202 737 6520 DATASOURCE: Syngenta CONTACT: Syngenta International AG Media Office, +41-61-323-23-23, or Fax, +41-61-323-24-24; Media, Medard Schoenmaeckers, Switzerland, +41-61-323-2323; Analyst-Investors, Jennifer Gough, Switzerland, +41-61-323-5059, USA, +1-202-737-6521, or John Hudson, Switzerland, +41-61-323-6793, USA, +1-202-737-6520, all of Syngenta Web Site: http://www.syngenta.com/

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