FORM 6-K
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
Report of Foreign Issuer

Pursuant to Rule 13a-16 or 15d-16
of the Securities Exchange Act of 1934


For the month of August 2007

Commission File Number: 001-15152


SYNGENTA AG
(Translation of registrant’s name into English)

Schwarzwaldallee 215
4058 Basel 
Switzerland
(Address of principal executive offices)


Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

 
Form 20-F 
X
 
Form 40-F 
   

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):

 
Yes 
   
No
X
 

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):

 
Yes 
   
No
X
 

Indicate by check mark whether by furnishing the information contained in this Form, the Registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

 
Yes 
   
No
X
 

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A
 



 
 
Re: SYNGENTA AG
   
Press Release: 
Disclosure of share ownership
 
Filed herewith is a notification related to Syngenta AG. The full text of the notification follows:
 
# # #


 
Item 1
 
 
Disclosure of share ownership

The shareholding of Syngenta AG exceeds the threshold value of 5%

Based on Article 20 of the Swiss Stock Exchange Act Syngenta AG discloses the following:

Syngenta AG, Schwarzwaldallee 215, P.O. Box, 4002 Basel, Switzerland, has exceeded the reporting threshold value of 5% due to the purchase of own shares/options and therefore owns 5.26% of its share capital.
The shareholding is composed of: 4,914,609 Syngenta ordinary shares (share 4.87%), 190,000 call options (share 0.19%) and 988,253 American Depositary Receipts (share equivalent 0.20%).

Syngenta AG
Basel, Switzerland, August 3, 2007

 

 
SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
 
         
  SYNGENTA AG   
 
 
 
 
 
 
   
Date: August 3, 2007 By:    /s/ Eva Catillon  
  Name:  Eva Catillon   
 
Title: 
Senior Manager Group Taxes