Syngenta to issue EUR 500 million Eurobond

Basel, Switzerland, September 6, 2006, Syngenta announced today that it intends to launch a EUR 500 million Eurobond with an intermediate maturity, subject to market conditions. Proceeds from this issue will be utilized to refinance a bond which was repaid at maturity in July this year and for general corporate purposes.

Domenico Scala, Chief Financial Officer, commented: “With this transaction we benefit from both favorable market conditions and strong investor appetite for bonds from high quality issuers”.

Syngenta is a world-leading agribusiness committed to sustainable agriculture through innovative research and technology. The company is a leader in crop protection, and ranks third in the high-value commercial seeds market. Sales in 2005 were approximately $8.1 billion. Syngenta employs more than 19,000 people in over 90 countries. Syngenta is listed on the Swiss stock exchange (SYNN) and in New York (SYT). Further information is available at www.syngenta.com.

Cautionary Statement Regarding Forward-Looking Statements
This document contains forwarding-looking statements, which can be identified by terminology such as ‘expect’, ‘would’, ‘will’, ‘potential’, ‘plans’, ‘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 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 issues, 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 a connection with, any contract therefor.

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