Mandates

Prof. Dr.-Ing. Heinz Jörg Fuhrmann

Chairman since February 1, 2011
Vice Chairman until January 31, 2011
Finance until January 31, 2011

Aurubis AG (Chairman since October 1, 2011)
EUROPIPE GmbH
KHS GmbH (Chairman)
Mannesmannröhren-Werke GmbH (Chairman since February 1, 2011)
Nord/LB Kapitalanlagegesellschaft AG until May 18, 2011
Öffentliche Sachversicherung Braunschweig
Öffentliche Lebensversicherung Braunschweig
Salzgitter Flachstahl GmbH until January 31, 2011
Salzgitter Klöckner-Werke GmbH (formerly: Klöckner-Werke AG) (Chairman) until December 14, 2011
Salzgitter Mannesmann Handel GmbH (Chairman since February 1, 2011)
Salzgitter Stahl GmbH (Chairman since February 1, 2011)
TÜV Nord AG

Ets. Robert et Cie S.A.S. (Comité de Surveillance)
EUROPIPE GmbH (Shareholders’ Committee)
Nord/LB Capital Management GmbH until May 18, 2011 (Supervisory Board)

Prof. Dr.- Ing. h. c. Wolfgang Leese

(Chairman) until January 31, 2011

a)	Aurubis AG MAN Nutzfahrzeuge AG Mannesmannröhren-Werke GmbH (Chairman) until January 31, 2011 Salzgitter Mannesmann Handel GmbH (Chairman) until January 31, 2011 Salzgitter Stahl GmbH (Chairman) until January 31, 2011

Burkhard Becker

since February 1, 2011
Finance

a)	EUROPIPE GmbH since March 28, 2011 KHS GmbH since April 1, 2011 Mannesmannröhren-Werke GmbH since February 1, 2011 Nord/LB Kapitalanlagegesellschaft AG since May 19, 2011 Peiner Träger GmbH since June 1, 2011 Salzgitter Flachstahl GmbH since February 1, 2011 Salzgitter Mannesmann Handel GmbH since February 1, 2011 Salzgitter Stahl GmbH since February 1, 2011
b)	Nord/LB Capital Management GmbH since May 19, 2011 (Supervisory Board)

Wolfgang Eging

Tubes Division
Chairman of the Executive Board of Mannesmannröhren-Werke GmbH

a)	EUROPIPE GmbH Hüttenwerke Krupp Mannesmann GmbH (Chairman) Salzgitter Mannesmann Grobblech GmbH (Chairman) Salzgitter Mannesmann Handel GmbH Salzgitter Mannesmann Line Pipe GmbH (Chairman) Salzgitter Mannesmann Präzisrohr GmbH (Chairman)
b)	Borusan Mannesmann Boru Yatirim Holding A.S. (Board of Administration, Vice Chairman) EUROPIPE GmbH (Shareholders’ Committee) Hüttenwerke Krupp Mannesmann GmbH (Shareholders’ Committee, Chairman) Salzgitter Mannesmann Forschung GmbH (Steering Committee, Vice Chairman) Salzgitter Mannesmann Précision Etirage S.A.S. (Conseil d’Administration)

Heinz Groschke

Trading Division
Chairman of the Executive Board of Salzgitter Mannesmann Handel GmbH

Ilsenburger Grobblech GmbH until May 30, 2011
KHS GmbH
Salzgitter Flachstahl GmbH since June 1, 2011
Salzgitter Klöckner-Werke GmbH (formerly: Klöckner-Werke AG) until December 14, 2011
Salzgitter Mannesmann Line Pipe GmbH

EUROPIPE GmbH (Shareholders’ Committee)
Salzgitter Mannesmann (España) S. A. (Board of Administration)
Salzgitter Mannesmann International (Asia) Pte. Ltd. (Board of Administration)
Salzgitter Mannesmann International (Canada) Inc. (Board of Directors, Chairman))
Salzgitter Mannesmann International (HK) Ltd. (Board of Administration)
Salzgitter Mannesmann International (México) S. A. de C. V. (Board of Directors, Chairman)
Salzgitter Mannesmann International (USA) Inc. (Board of Directors, Chairman)
Salzgitter Mannesmann (Italia) S. r. l. (Board of Administration)
Salzgitter Mannesmann Pentasteel International (India) Pvt. Ltd. (Board of Directors, Chairman)
Salzgitter Mannesmann (Scandinavia) AB (Board of Administration)
Salzgitter Mannesmann Trade (Beijing) Co. Ltd. (Board of Directors, Chairman)
Salzgitter Mannesmann (UK) Ltd. (Board of Directors, Chairman)

Johannes Nonn

Steel Division
Chairman of the Executive Board of Salzgitter Stahl GmbH

a)	Hüttenwerke Krupp Mannesmann GmbH Ilsenburger Grobblech GmbH Chairman) Peiner Träger GmbH Chairman) Salzgitter Flachstahl GmbH Chairman) Salzgitter Mannesmann Handel GmbH
b)	ThyssenKrupp GfT Bautechnik GmbH (Advisory Council) until September 29, 2011 Salzgitter Mannesmann Forschung GmbH (Steering Committee, Chairman)

Peter-Jürgen Schneider

Personnel
Services Division

Ilsenburger Grobblech GmbH
KHS GmbH
Mannesmannröhren-Werke GmbH
Peiner Träger GmbH
Salzgitter Flachstahl GmbH
Salzgitter Klöckner-Werke GmbH (formerly: Klöckner-Werke AG) until December 14, 2011
Salzgitter Mannesmann Handel GmbH
Salzgitter Mannesmann Präzisrohr GmbH
Salzgitter Stahl GmbH
SZST Salzgitter Service und Technik GmbH (Chairman)
Verkehrsbetriebe Peine-Salzgitter GmbH (Chairman)

Hansaport Hafenbetriebsgesellschaft mbH (Supervisory Board, Chairman)
Projekt Region Braunschweig GmbH (Supervisory Board)
Wohnungsbaugesellschaft mbH Salzgitter (Supervisory Board)

a) = Membership in other supervisory boards formed subject to the regulations and the definition of Section 125 German Stock Corporation Act AktG
b) = Membership in comparable domestic and foreign controlling bodies of commercial enterprises