03.01.2013

Syngenta share repurchases: end-year report

Basel, Switzerland, January 3, 2013

Syngenta has completed the share repurchases authorized by the Annual General Meeting on April 22, 2008. The authorization allowed for the repurchase of up to 10 percent of outstanding shares.

In total, 1,487,200 shares were repurchased between March 8, 2010 and end December 2012 through a second trading line on the SIX Swiss Exchange. This represents 1.5 percent of outstanding shares at the time of authorization and a total amount of $402 million.

In accordance with motions passed at the Annual General Meetings on April 19, 2011 and April 24, 2012 a total of 1,473,700 shares have been canceled. The company plans to propose the cancellation of the remaining 13,500 shares at a subsequent Annual General Meeting.

Syngenta is one of the world's leading companies with more than 26,000 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 www.syngenta.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.