Supervisory Board

(as of September 30, 2008)

Gerhard Cromme, Dr. iur.
Chairman
Chairman of the Supervisory Boards of Siemens AG and ThyssenKrupp AG
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, Duisburg and Essen
(Chairman)
Comparable positions outside Germany:
Compagnie de Saint-Gobain S.A., France

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

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

External positions
Comparable positions outside Germany:
Belenos Clean Power Holding Ltd., Switzerland
(Deputy Chairman)
Royal Dutch Shell plc, Netherlands

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

Jean-Louis Beffa
(since January 24, 2008)
Chairman of the Board of Directors
of Compagnie de Saint-Gobain S.A.
Date of birth: August 11, 1941
Member since: January 24, 2008

External positions
Comparable positions outside Germany:
BNP Paribas, France
(Deputy Chairman)
Compagnie de Saint-Gobain S.A., France
(Chairman)
GDF SUEZ S.A., France
Groupe Bruxelles Lambert, Belgium
Le Monde S.A., France
Le Monde & Partenaires Associés S.A.S., France
Saint-Gobain Corporation, USA
Société Editrice du Monde S.A., France

Gerhard Bieletzki*
(until December 3, 2007)
Chairman of the Works Council,
Siemens VDO Automotive AG, Dortmund location
Date of birth: May 16, 1947
Member since: January 23, 2003

Gerd von Brandenstein
(since January 24, 2008)
Economist
Date of birth: April 6, 1942
Member since: January 24, 2008

External positions
German supervisory board positions:
DEGEWO Deutsche Gesellschaft zur Förderung des Wohnungsbaues, gemeinnützige Aktiengesellschaft, Berlin

John David Coombe
(until January 24, 2008)
Chartered Accountant (FCA)
Date of birth: March 17, 1945
Member since: January 23, 2003

External positions
(as of January 24, 2008)
Comparable positions outside Germany:
Hogg Robinson Group plc, UK (Chairman)
Home Retail Group plc, UK
HSBC Holdings plc, UK

Hildegard Cornudet*
(until January 24, 2008)
Computer engineer
Date of birth: April 16, 1949
Member since: April 1, 2004

Michael Diekmann
(since January 24, 2008)
Chairman of the Board of Management of Allianz SE
Date of birth: December 23, 1954
Member since: January 24, 2008

External positions
German supervisory board positions:
Allianz Deutschland AG, Munich
(Chairman)
Allianz Global Investors AG, Munich
(Chairman)
BASF AG, Ludwigshafen am Rhein
(Deputy Chairman)
Dresdner Bank AG, Frankfurt am Main
(Chairman)
Linde AG, Munich
(Deputy Chairman)
Comparable positions outside Germany:
Allianz S.p.A., Italy
(Deputy Chairman)
Assurances Générales de France, France
(Deputy Chairman)

Hans Michael Gaul, Dr. iur.
(since January 24, 2008)
Supervisory board member
Date of birth: March 2, 1942
Member since: January 24, 2008

External positions
German supervisory board positions:
Evonik Industries AG, Essen
HSBC Trinkaus & Burkhardt AG, Düsseldorf
IVG Immobilien AG, Bonn
VNG-Verbundnetz Gas AG, Leipzig
Volkswagen AG, Wolfsburg

Birgit Grube*
(until January 24, 2008)
Administrative clerk
Date of birth: August 21, 1945
Member since: March 11, 1993

Peter Gruss, Prof. Dr. rer. nat.
(since January 24, 2008)
President of the Max Planck Society
for the Advancement of Science e.V.
Date of birth: June 28, 1949
Member since: January 24, 2008

External positions
German supervisory board positions:
DeveloGen AG, Göttingen (until September 30, 2008)

Bettina Haller*
Member of the Central Works Council, Siemens AG
Date of birth: March 14, 1959
Member since: April 1, 2007

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

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

External positions
German supervisory board positions:
Audi AG, Ingolstadt

Harald Kern*
(since January 24, 2008)
Member of the Central Works Council, Siemens AG
Date of birth: March 16, 1960
Member since: January 24, 2008

Walter Kröll, Prof. Dr. rer. nat.
(until January 24, 2008)
Consultant
Date of birth: May 30, 1938
Member since: January 23, 2003

External positions
(as of January 24, 2008)
German supervisory board positions:
MTU Aero Engines GmbH, Munich
Wincor Nixdorf AG, Paderborn

Nicola Leibinger-Kammüller, Dr. phil.
(since January 24, 2008)
President and Chairwoman of the Managing Board of TRUMPF GmbH + Co. KG
Date of birth: December 15, 1959
Member since: January 24, 2008

External positions
German supervisory board positions:
Claas Kommanditgesellschaft auf Aktien mbH, Harsewinkel
Deutsche Lufthansa AG, Cologne
Voith AG, Heidenheim an der Brenz

Michael Mirow, Prof. Dr. rer. pol.
(until January 24, 2008)
University professor
Date of birth: October 6, 1938
Member since: April 25, 2007

Werner Mönius*
(since January 24, 2008)
Chairman of the Siemens Europe Committee
Date of birth: May 16, 1954
Member since: January 24, 2008

Roland Motzigemba*
(from December 3, 2007 to January 24, 2008)
Chairman of the Central Works Council, Siemens Enterprise Communications Management GmbH & Co. KG
Date of birth: March 24, 1960
Member since: December 3, 2007

Thomas Rackow*
(until January 24, 2008)
Industrial manager
Date of birth: February 6, 1952
Member since: January 26, 2006

Håkan Samuelsson
(since January 24, 2008)
Chairman of the Executive Board, MAN AG
Date of birth: March 15, 1951
Member since: January 24, 2008

External positions
German supervisory board positions:
MAN Diesel SE, Augsburg (Chairman)
MAN Ferrostaal AG, Essen (Chairman)
MAN Nutzfahrzeuge AG, Munich (Chairman)
manroland AG, Offenbach am Main
MAN Turbo AG, Oberhausen (Chairman)
RENK Aktiengesellschaft, Augsburg (Chairman)

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

Albrecht Schmidt, Dr. iur., Dr. oec. publ. h.c.
(until January 24, 2008)
Bank director (retired)
Date of birth: March 13, 1938
Member since: March 11, 1993

External positions
(as of January 24, 2008)
German supervisory board positions:
Münchener Rückversicherungs-Gesellschaft AG, Munich
Thyssen’sche Handelsgesellschaft m.b.H.,
Mülheim on the Ruhr

Henning Schulte-Noelle, Dr. iur.
(until January 24, 2008)
Chairman of the Supervisory Board, Allianz SE
Date of birth: August 26, 1942
Member since: February 13, 1997

External positions
(as of January 24, 2008)
German supervisory board positions:
Allianz SE, Munich (Chairman)
E.ON AG, Düsseldorf
ThyssenKrupp AG, Duisburg and Essen

Rainer Sieg,* Dr. iur.
(since January 24, 2008)
Chairman of the Central Committee of Spokespersons, Siemens AG
Date of birth: December 20, 1948
Member since: January 24, 2008

Peter von Siemens
(until January 24, 2008)
Industrial manager
Date of birth: August 10, 1937
Member since: March 11, 1993

Jerry I. Speyer
(until January 24, 2008)
Chairman & CEO, Tishman Speyer
Date of birth: June 23, 1940
Member since: July 14, 2003

Birgit Steinborn*
(since January 24, 2008)
Member of the Central Works Council, Siemens AG
Date of birth: March 26, 1960
Member since: January 24, 2008

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

An overview of the Supervisory Board committees and their responsibilities is available in the pdf document on the right.

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 24, 2008, and the employee representatives, whose names are marked with an asterisk, were either elected by an assembly of employee delegates on September 27, 2007, effective as of the end of the Annual Shareholders’ Meeting on January 24, 2008, or replaced an employee representative who had resigned from the Supervisory Board. The Supervisory Board is elected for five years.