Siegfried Announces Management Changes

Zofingen, May 20, 2011 -- Siegfried Holding AG (SIX: SFZN), based in Zofingen, Switzerland, announces the appointment of two new members to its Executive Committee.

With effect from 1 June 2011, Walter Kittl, Senior Vice President and General Manager of Sieg- fried (USA) Inc., will take on responsibility as Head Technical Operations and join the Executive Committee in Zofingen. He will remain responsible for the Pennsville location until such time as his successor has been appointed. Walter Kittl is an Austrian national and holds a Ph.D. in chemistry from the University of Innsbruck. Prior to his commitment for Siegfried, he was em- ployed by DSM Chemie Linz and Hoffmann-La Roche in Basel, where he was head of chemical production.

In his new function, Walter Kittl will succeed Hubert Stückler, who will retire from this position at his own request. For a limited period of time, Hubert Stückler will continue to work for Siegfried on the implementation of the “Transform” strategy.

Arnoud Michael Middel was appointed Head Human Resources and a member of the Executive Committee with effect from 1 September 2011. He will succeed Hanspeter Brun, who will retire. Arnoud Middel, a Swiss national, graduated from the University of Basel in biology and biochem- istry. He subsequently worked in human resources for several companies, currently Syngenta in Basel, where he holds the position of Head HR Switzerland and Global Headquarter.

Rudolf Hanko, Siegfried’s CEO: “Walter Kittl and Arnoud Michael Middel are very well qualified for their new positions, and I am pleased they will join our Executive Committee. I would like to thank Hanspeter Brun and Hubert Stückler, who joined our company in 1989 and 2004 respec- tively, for the many years of dedicated service and the valuable contribution to the successful development of our company.”

For further information:

Peter Gehler, Head Corporate Center

peter.gehler@siegfried.ch

Tel. +41 (0)62 746 11 48

Mobile +41 (079) 416 41 16

Fax +41 (0)62 746 11 03

Siegfried Holding AG

Untere Brühlstrasse 4

CH-4800 Zofingen

Tel. +41 (0)62 746 11 11

Fax +41 (0)62 746 11 03

www.siegfried.ch

Back to news