Siemens AG Geschäftsbericht 2007

Supervisory Board

(as of September 30, 2007)

Heinrich v. Pierer, Prof. Dr. jur., Dr.-Ing. E. h. (until April 25, 2007)
Chairman
Date of birth: January 26, 1941
Member since: January 27, 2005

External positions (as of April 25, 2007)
German supervisory board positions: Deutsche Bank AG, Frankfurt/Main
Hochtief AG, Essen
Münchener Rückversicherungs-Gesellschaft AG, Munich
ThyssenKrupp AG, Düsseldorf
Volkswagen AG, Wolfsburg

Ralf Heckmann*
First Deputy Chairman
Chairman of the Central Works Council,
Siemens AG
Date of birth: July 19, 1949
Member since: March 24, 1988

Lothar Adler*
Chairman of the
Combine Works Council of Siemens
Date of birth: February 22, 1949
Member since: January 23, 2003

John David Coombe
Chartered Accountant (FCA)
Date of birth: March 17, 1945
Member since: January 23, 2003

External positions
Comparable positions outside Germany: Hogg Robinson Group plc, UK
(Chairman)
Home Retail Group plc, UK
HSBC Holdings plc, UK

Birgit Grube*
Office clerk
Date of Birth: August 21, 1945
Member since: March 11, 1993

Heinz Hawreliuk*
Trade Union Secretary, IG Metall
Date of birth: March 20, 1947
Member since: April 1, 1985

External positions
German supervisory board positions: DaimlerChrysler Luft- und Raumfahrt
Holding AG, Munich
Eurocopter Deutschland GmbH, Munich

Walter Kröll, Prof. Dr. rer. nat.
Consultant
Date of birth: May 30, 1938
Member since: January 23, 2003

External positions
German supervisory board positions:
MTU Aero Engines GmbH, Munich
Wincor Nixdorf AG, Paderborn

Wolfgang Müller*
(until January 25, 2007)
Trade Union Secretary, IG Metall
Date of birth: January 14, 1948
Member since: January 23, 2003

Thomas Rackow*
Industrial manager
Date of birth: February 6, 1952
Member since: January 26, 2006

Albrecht Schmidt, Dr. jur., Dr. oec. publ. h. c.
Retired bank director
Date of birth: March 13, 1938
Member since: March 11, 1993

External positions
German supervisory board positions: Münchener Rückversicherungs-
Gesellschaft AG, Munich
Thyssen’sche Handelsgesellschaft m.b.H., Mülheim/Ruhr

Lord Iain Vallance of Tummel
Chairman, Amsphere Ltd.
Date of birth: May 20, 1943
Member since: January 23, 2003

Gerhard Cromme, Dr. jur.
Chairman (as of April 25, 2007)
Date of birth: February 25, 1943
Member since: January 23, 2003

External positions
German supervisory board positions:
Allianz SE, Munich
Axel Springer AG, Berlin
ThyssenKrupp AG, Düsseldorf
(Chairman)
Comparable positions outside Germany: Compagnie de Saint-Gobain S.A.,
France

Josef Ackermann, Dr. oec.
Second Deputy Chairman
Chairman of the Board of Managing
Directors, Deutsche Bank AG
Date of birth: February 7, 1948
Member since: January 23, 2003

Gerhard Bieletzki*
Chairman of the Works Council
of Siemens VDO Automotive AG, Dortmund
Date of birth: May 16, 1947
Member since: January 23, 2003

Hildegard Cornudet*
Computer engineer
Date of birth: April 16, 1949
Member since: April 1, 2004

Bettina Haller*
(as of April 1, 2007)
Social worker
Date of birth: March 14, 1959
Member since: April 1, 2007

Berthold Huber*
Chairman, IG Metall
Date of birth: February 15, 1950
Member since: July 1, 2004

External positions
German supervisory board positions:
Audi AG, Ingolstadt

Michael Mirow, Prof. Dr.
(as of April 25, 2007)
University professor
Date of birth: October 6, 1938
Member since: April 25, 2007

Georg Nassauer*
(until March 31, 2007)
Steel casting constructor
Date of birth: March 8, 1948
Member since: March 11, 1993

Dieter Scheitor*
(as of January 25, 2007) Member of the Executive Committee, IG Metall
Date of birth: November 23, 1950
Member since: January 25, 2007

Henning Schulte-Noelle, Dr. jur.
Chairman of the Supervisory Board, Allianz SE, Munich
Date of birth: August 26, 1942
Member since: February 13, 1997

External positions
German supervisory board positions: Allianz SE, Munich (Chairman)
E.ON AG, Düsseldorf
ThyssenKrupp AG, Düsseldorf

Peter von Siemens
Industrial manager
Date of birth: August 10, 1937
Member since: March 11, 1993

Jerry I. Speyer
Chairman & CEO, Tishman Speyer
Date of birth: June 23, 1940
Member since: July 14, 2003

The Supervisory Board of Siemens AG has 20 members. As stipulated by the German Codetermination Act, half of the members represent Company shareholders, and half represent Company employees. The shareholder representatives were elected at the Annual Shareholders’ Meeting on January 23, 2003, and the employee representatives, whose names are marked with an asterisk, were either elected by an assembly of employee delegates on December 5, 2002 or replaced an employee representative who had resigned from the Supervisory Board. The Supervisory Board is elected for five years.

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