AstraZeneca and Novartis announce that today AstraZeneca, Novartis, Syngenta and the Joint Global Coordinators have set a price of CHF 85 per share and USD 9.63 per ADS for the Global
Secondary Offering of Syngenta securities. The Global Offering of 4,500,000 shares (in the form of
shares and ADSs) is being conducted by syndicate banks led by the Joint Global Coordinators,
Credit Suisse First Boston and UBS Warburg.

Syngenta AG is a leading agribusiness company, operating across all major areas of crop
protection and seeds, with pro forma sales of approximately USD 7.0 billion for the year ended
December 31, 1999.

A copy of the final prospectus to be used in the Global Offering may be obtained by contacting the following: 

Credit Suisse First Boston/The Prospectus Department, Tel. 212-325-7128
UBS Warburg/Equity Capital Markets Group, Tel. 212-821-6000

Company news release
N3115