Dr. Rudolf Staudigl

President & CEO

WACKER POLYSILICON (since January 1, 2013)
SILTRONIC (until December 31, 2012)
Executive Personnel
Corporate Development
Corporate Communications
Investor Relations
Corporate Auditing
Legal (since January 1, 2013)
Legal & Insurance (until December 31, 2012)
Compliance

Chairman of the Supervisory Board
Siltronic AG**
Pensionskasse der Wacker Chemie VVaG

Member of the Supervisory Board
Groz-Beckert KG

Member of the Advisory Council, Bavaria
Deutsche Bank AG

Dr. Tobias Ohler (since January 1, 2013)

WACKER POLYMERS
Human Resources (Personnel Director)
Technical Procurement & Logistics
Raw Materials Procurement
Region: Asia

Dr. Joachim Rauhut

SILTRONIC (since January 1, 2013)
WACKER POLYSILICON (until December 31, 2012)
Corporate Accounting and Tax
Corporate Controlling
Corporate Finance and Insurance (since January 1, 2013)
Corporate Finance (until December 31, 2012)
Corporate Engineering (since January 1, 2013)
Information Technology
Raw Materials Procurement (until December 31, 2012)
Technical Procurement & Logistics (until December 31, 2012)
Region: The Americas

Member of the Supervisory Board
Siltronic AG**
Pensionskasse der Wacker Chemie VVaG
MTU Aero Engines Holding AG
MTU Aero Engines GmbH
B. Braun Melsungen AG

Member of the Advisory Council
J. Heinrich Kramer Holding GmbH

Member of the Regional Advisory Committee, South
Commerzbank AG

Dr. Wilhelm Sittenthaler (until December 31, 2012)

WACKER SILICONES
Human Resources (Personnel Director)
Corporate Research & Development
Intellectual Property
Region: Asia

Member of the Supervisory Board
Siltronic AG**

Member of the Board of Trustees
Max Planck Institute for Solid State Research
Chemical Industry Foundation

Auguste Willems

WACKER BIOSOLUTIONS
WACKER SILICONES (since January 1, 2013)
WACKER POLYMERS (until December 31, 2012)
Sales & Distribution
Corporate Research & Development (since January 1, 2013)
Intellectual Property (since January 1, 2013)
Site Management
Corporate Security
Environment, Health, Safety
Product Stewardship
Corporate Engineering (until December 31, 2012)
Regions: Europe, Middle East

Member of the Supervisory Board
Siltronic AG**

Member of the Bavarian State Branch Advisory Committee
TÜV Süd AG