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 December 2008

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
Disclosure: “Disclosure of share ownership – Janus Capital Management LLC falls below the threshold value of 3%”

Herewith we furnish a disclosure release related to Syngenta AG. The full text is the following:
# # #
 

 
Item 1
 
 
 
Disclosure of share ownership

The shareholding in Syngenta AG of Janus Capital Management LLC falls below the threshold value of 3%

Based on Article 20 of the Swiss Stock Exchange Act, Syngenta AG informs as follows:

Janus Capital Management LLC, 151 Detroit Street, Denver, Colorado 80206, USA reports on 10 October 2008 that its holding in the share capital of Syngenta AG has fallen below the notifiable threshold value of 3% on 9 October 2008 due to a sale of Syngenta shares. The new holding amounts to 2.64% of Syngenta’s share capital.

The contact person within Janus Capital for this notification is Kathleen Stahl, Janus Capital Management LLC, 151 Detroit Street, Denver, Colorado 80206, USA.

Syngenta AG
Basel, Switzerland, 6  December 2008
 

 
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:
December 8, 2008
 
By:
/s/ Christoph Mäder
 
       
Name:
Christoph Mäder
 
       
Title:
Head Legal and Taxes