Board Announcement: Chief Executive Officer succession plan

Syngenta announced today that Michael Pragnell (60) will retire from Syngenta at the end of 2007 when he also intends to step down from the Board. Mike Mack (47), currently Chief Operating Officer Syngenta Seeds, is to be appointed Chief Executive Officer with effect from January 1, 2008.

Mike Mack, a US citizen, joined Syngenta in 2002 as Head of Crop Protection NAFTA. He was appointed to the Executive Committee in his current role in January 2005.

Martin Taylor, Chairman of the Board, said: “On behalf of the Board, I am pleased to announce the succession plan for the position of Chief Executive Officer. Michael has done an outstanding job in creating and then building Syngenta into the highly successful company of today. I am delighted that in Mike Mack we have an experienced international executive of high calibre as his successor. Michael will be working closely with Mike over the coming months to ensure a smooth transition.”