Nahaufnahme von vier zylindrischen Metallstangen, die auf V-förmigen Metallstützen ruhen.

Supervisory board

Pursuant to the articles of association, Klöckner & Co SE’s supervisory board consists of six members.

The current members of the supervisory board of the company, their activities outside the company and their curricula vitae are listed in the table below.

Members

Dr. Lars Krause (Chairman of the Supervisory Board)

Court-appointed member since July 6, 2026, until the conclusion of the next general meeting

Executive Vice President Sales and Marketing at Volkswagen Commercial Vehicles

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Personal information
Residence	Aumühle, Germany
Year of birth	1970
Place of birth	Berlin, Germany
Nationality	German
Occupation/profession	Executive Vice President Sales and Marketing at Volkswagen Commercial Vehicles
Education	Studied Industrial Engineering at Brandenburgische Technische Universität Cottbus-Senftenberg (Dipl.-Ing.) and doctorate in Production Engineering at the University of Bremen (Dr.-Ing.)
Career
1998-2005	McKinsey & Company (Hamburg) Strategy Consultant
2005-2009	Volkswagen AG Last position held: Managing Director Vehicles Lines Full-Size
2009-2013	thyssenkrupp Steel Last position held: Managing Director Logistics Services
2013-2016	WISCO Tailored Blanks Group Chief Executive Officer
Since 2016	Volkswagen Commercial Vehicles Current position: Executive Vice President Sales and Marketing
Special knowledge and experience for Supervisory Board service	Dr. Lars Krause is Executive Vice President Sales and Marketing at Volkswagen Commercial Vehicles (Hannover). He has many years of experience in strategy and product development.

Timothy A. Adams (Deputy Chairman of the Supervisory Board)

Court-appointed member since July 6, 2026, until the conclusion of the next general meeting

Vice President and Chief Financial Officer at Worthington Steel, Inc., United States of America

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Personal information
Residence	Columbus, Ohio, United States of America
Year of birth	1964
Place of birth	St. Marys, Ohio, United States of America
Nationality	American
Occupation/profession	Vice President and Chief Financial Officer at Worthington Steel, Inc., United States of America
Education	Studied business administration with focus in finance and operations at The Ohio State University (Master of Business Administration)
	Studied finance and management information systems and information technology at The Ohio State University (Bachelor)
Career
1988-1990	Crowe, Chizek and Company CPAs Management Services Consultant
1992-1998	Center for Healthcare Industry Performance Studies Manager / Marketing Director
Since 1998	Worthington Steel Current position: Vice President and Chief Financial Officer
Special knowledge and experience for Supervisory Board service	Timothy A. Adams is Vice President and Chief Financial Officer at Worthington Steel, Inc., a publicly traded steel processing company and indirect major shareholder of the Company. He has more than 25 years of experience in finance, financial planning and analysis, strategic planning, corporate development, mergers and acquisitions, joint ventures and international business development in the steel industry.

Gwen Elizabeth Joseph

Court-appointed member since July 6, 2026, until the conclusion of the next general meeting

Corporate Controller at Worthington Steel Inc., United States of America

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Personal information
Residence	Westerville, Ohio, United States of America
Year of birth	1980
Place of birth	McComb, Ohio, United States of America
Nationality	American
Occupation/profession	Corporate Controller at Worthington Steel Inc., United States of America
Education	Studied accounting at Wright State University (Master)
	Studied accounting and finance at Wright State University (Bachelor)
	Certified Public Accountant
Career
2004-2012	PricewaterhouseCoopers Assurance-Manager
2012-2013	DSW (Designer Shoe Warehouse) Manager of Accounting Operations
2013-2020	L Brands CFRG Technical Accounting Manager
Since 2020	Worthington Steel Current position: Corporate Controller
Special knowledge and experience for Supervisory Board service	Gwen Joseph is Corporate Controller at Worthington Steel Inc., a publicly traded steel processing company and indirect major shareholder of the Company. She has more than 20 years of experience in accounting, auditing, and reporting and brings significant financial experience. Furthermore, Gwen Joseph is a certified public accountant. Through this she gained specific knowledge and experience in the application of accounting principles as well as in the auditing of financial statements. This, in both cases, also includes sustainability reporting and its audit and assurance.

Demetrios Michaelides

Court-appointed member since July 6, 2026, until the conclusion of the next general meeting

Chief Integration Officer at Worthington Steel Inc., United States of America

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Personal information
Residence	Bexley, Ohio, United States of America
Year of birth	1982
Place of birth	Worthington, Ohio, United States of America
Nationality	American
Occupation/profession	Chief Integration Officer at Worthington Steel Inc., United States of America
Education	Studied business administration with focus in strategy and decision sciences at Duke University (Master)
	Studied economics at Depauw University (Bachelor)
Career
2005-2010	Eli Lilly & Company Last position held: Senior Treasury Analyst
2011-2014	McKinsey & Company Associate
Since 2014	Worthington Steel Current position: Chief Integration Officer
Special knowledge and experience for Supervisory Board service	Demetrios Michaelides is Chief Integration Officer at Worthington Steel, Inc., a publicly traded steel processing company and indirect major shareholder of the Company. He is a Chartered Financial Analyst with significant experience in transformation and operations management.

John T. Obringer

Court-appointed member since July 6, 2026, until the conclusion of the next general meeting

Vice President of Corporate Finance at Worthington Steel Inc., United States of America

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Personal information
Residence	Lewis Center, Ohio, United States of America
Year of birth	1973
Place of birth	Dayton, Ohio, United States of America
Nationality	American
Occupation/profession	Vice President of Corporate Finance at Worthington Steel Inc., United States of America
Education	Studied accounting at The Ohio State University (Bachelor)
Career
Since 1998	Worthington Steel Current position: Vice President of Corporate Finance
Special knowledge and experience for Supervisory Board service	John T. Obringer is Vice President of Corporate Finance at Worthington Steel, Inc., a publicly traded steel processing company and indirect major shareholder of the Company. He gained significant experience in the financial sector through his almost 30-year tenure with Worthington, during which he has held various leadership roles, including Controller, Regional Controller, Director of Accounting and Senior Director of Finance.

Dagmar Steinert

Member since: May 23, 2024, appointed until the annual general meeting 2028

Chief Financial Officer of Wienerberger AG, Vienna, Austria

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Personal information
Residence	Mannheim (Germany)
Year of birth	1964
Place of birth	Freiburg (Germany)
Nationality	German
Occupation/profession	Chief Financial Officer of Wienerberger AG, Vienna, Austria
Education	Studied business administration at the University of Cologne (Dipl.-Kffr.)
	Tax consultant
	Chartered accountant
Career
1993-2002	Worked for various audit firms, most recently for PricewaterhouseCoopers
2003-2013	Rheinmetall AG Head of Accounting
2013-2015	Fuchs Petrolub SE Head of Investor Relations
2016-2022	Fuchs Petrolub SE Chief Financial Officer
2022-2024	Rheinmetall AG Chief Financial Officer
Since March 2025	Wienerberger AG, Vienna, Austria Chief Financial Officer
Special knowledge and experience for Supervisory Board service	Dagmar Steinert is Chair of the Company's Audit Committee. As a long-time Chief Financial Officer of large, internationally active, listed groups, she has many years of management experience. Through this and as tax accountant and chartered accountant she has, among other things, specific knowledge and experience in the application of accounting principles and internal control and risk management systems as well as in the auditing of financial statements. This, in both cases, also includes sustainability reporting and its audit and assurance. Furthermore, she served for several years as a member of the supervisory board and the audit committee of a big, international technology group.

Remuneration system supervisory board

Remuneration reports supervisory board

Management board