Management

Benjamin Steinbruch has been a member of the Company’s Board of Directors since November 30, 2016, and currently serves as its Chairman. He has also served as Chairman of the Board of Directors of Companhia Siderúrgica Nacional (CSN) since September 2, 2026, having previously held the same position from April 1995 to April 2023. He served as Chief Executive Officer of CSN from April 30, 2002, until September 2, 2026. Mr. Steinbruch is also Chairman of the Board of Directors of CSN Cimentos Brasil S.A. and Companhia Estadual de Geração de Energia Elétrica – CEEE-G, both CSN-controlled companies, and Chairman of the Deliberative Council of Fundação CSN. Throughout his career, he has held leadership positions in companies operating in the steel, mining, cement, logistics, energy, financial services, real estate and transportation sectors, including companies within CSN’s controlling group and affiliated businesses. He currently serves on the boards of several privately held companies and industry organizations. Over the last five years, Mr. Steinbruch served as First Vice President of the Federation of Industries of the State of São Paulo (FIESP), member of FIESP’s Strategic Council, member of the Instituto Roberto Simonsen, member of Brazil’s Economic and Social Development Council, and member of the Interinstitutional Advisory Council of the Court of Justice of the State of São Paulo. Mr. Steinbruch holds a degree in Business Administration from the Fundação Getulio Vargas School of Business Administration (FGV-SP) and postgraduate qualifications in Marketing and Finance from FGV-SP.

He currently holds the position of Executive Officer without specific designation at CSN. He held the position of Executive Director of CSN from June 21, 2005 to July 31, 2016, with responsibility for steel and cement production, energy, ports, mining and environment. He worked at CSN between 2005 and 2016, having previously held the following positions General Manager of Hot Rolling Mills, General Manager of Maintenance, Director of Metallurgy, Director of Usina Presidente Vargas and Board Member of Nacional Minérios S.A. He was also a Board Member of Arvedi Metalfer do Brasil S.A., Cia. Metalic Nordeste, Companhia Metalúrgica Prada, Congonhas Minérios S.A. (now CSN Mineração S.A.), Itá Energética S.A., Sepetiba Tecon S.A., Lusosider – Aços Planos S.A. and Lusosider Projectos Siderúrgicos S.A. He was also a director of Cia Metalic Nordeste, Companhia Florestal do Brasil, Companhia Metalúrgica Prada, CSN Energia S.A., Estanho de Rondônia S.A., Itá Energética S.A., Mineração Nacional S.A. and Stahlwerk Thüringen GmbH (“SWT”). In his last position with the Company, he was Managing Director. He also currently serves as a Director of Fundação CSN and Minérios Nacional S.A., and is a member of the Board of Directors of MRS Logística S.A. He holds a degree in Mechanical Engineering from the Pontifical Catholic University of Rio de Janeiro, an MBA in Industrial Strategy and Business Management from the Federal University Fluminense of Rio de Janeiro, and a Business MBA from the Fundação Dom Cabral in Belo Horizonte – MG.

She has been a member of the Company’s Board of Directors since January 21, 2021. She is currently Director of Sustainability, Environment, Health and Occupational Safety at Companhia Siderúrgica Nacional since June 2020, and also holds the position of effective member of the Board of Directors of CSN Cimentos S.A.. Previously, she held the positions of Corporate General Manager, Vice President of Governance and Compliance Corporate Director of Sustainability and QSMS in the STR Group, which includes the companies Petra Energia, Vicenza Mineração, Arborm and STR Energia. She holds a law degree from the Catholic University of Pernambuco, an MBA in Business Management from the Polytechnic University of Pernambuco and a Specialization in Environmental Law from PUC/SP.

He has held the position of President at Itochu México S.A. since 2024. Previously, he served as Senior Director in the Metals and Mineral Resources Division and as General Manager of the Non-Ferrous Metals and Recycling Department since 2021, also holding the position of General Manager of the Planning and Administration Department of the Metals & Minerals Company at Itochu Corporation since 2018. He holds a degree in Economics from Keio University in Kanagawa, Tokyo, Japan.

He has been an independent member of the Company’s Board of Directors since November 30, 2016. He is also an independent member of the Board of Directors of Companhia Siderúrgica Nacional (“CSN”), since April 26, 2019, a member of the Audit Committee of CSN , since May 3, 2019, and a member of the Board of Directors of CSN Cimentos S.A.. He is also an Officer and shareholder of Participa Empreendimentos Imobiliários e Participações Ltda. water and gas and in fast food chains. He holds a degree in Production Engineering from the Polytechnic School of the University of São Paulo, a Master’s in Administration (MBA) from the Faculty of Economics and Administration of the University of São Paulo, he was Professor of Investment and Project Analysis at the Faculty of Economics and Administration of the University of São Paulo and member of the Board of Trustees and founder of the Fundação Instituto de Administração, Universidade de São Paulo. Mr. Miguel Ethel Sobrinho meets the requirements of an independent member of the Company’s board of directors as he meets all the requirements of the definition of an independent director provided for in the Level 2 Regulation of B3: (i) he has no relationship with the Company, except for the participation of capital, (ii) is not a controlling shareholder and has no relationship with it, as he also acts as an independent member of its board of directors, (iii) has not been, in the last 3 (three) years, an employee or director of the Company or of any of its affiliates, (iv) is not a supplier or purchaser of services or products of the Company, (v) is not a manager of a company that demands services or products in an magnitude that implies loss of independence, considering that in the nine-month period ended as of September 30, 2020, only 11.29% of the Company’s net revenue derives from sales to the controlling shareholder, CSN, (vi) is not a spouse or relative of another manager of the Company, and ( vii) does not receive any compensation from the Company other than that related to the position of director.

He has held the position of General Manager of the Iron Ore and Steel Resources Department, at Itochu Corporation, since 2018. Previously he held the position of Director of Strategic Planning at the Company, from 2016 to 2018. Graduated in Political Science and Economics from the University of Meiji, in Tokyo, Japan.

He has been an independent member of the Company’s Board of Directors since January 21, 2021 and a member of the Audit Committee since January 28, 2021, being appointed as Coordinator of the Company’s Audit Committee on May 4, 2022. In addition to In addition, since April 29, 2004, he has been an independent member of the Board of Directors of Companhia Siderúrgica Nacional (“CSN”) and also of its Audit Committee since June 24, 2005, holding the position of chairman of the Audit Committee since October 2017. He is also a member of the Board of Directors of Transnordestina Logística S.A. (jointly controlled by CSN) and an independent member of the Board of Directors of CSN Cimentos S.A. (controlled by CSN). In addition, he has been Director of the School of Economics at Fundação Getúlio Vargas in São Paulo since 2003. In the last 5 years, he has worked as professor of Economics at Fundação Getúlio Vargas, member of the Superior Council of Economics (COSEC) at FIESP/IRS and has been a member of the the Board of Directors of Fundação de Amparo à Pesquisa do Estado de São Paulo FAPESP until 2015. Previously, he was Special Secretary for Economic Affairs at the Ministry of Finance and Secretary of Finance for the State of São Paulo. He holds a degree in Business Administration from Fundação Getúlio Vargas and a Master’s and Doctorate from Cornell University, in the United States. Mr. Yoshiaki Nakano meets the requirements of an independent member of the Company’s board of directors to the extent that he meets all the requirements of the definition of an independent director provided for in the Level 2 Regulation of the B3: (i) he has no relationship with the Company, except equity interest , (ii) is not a controlling shareholder and has no relationship with it, as he also acts as an independent member of its board of directors, (iii) has not been, in the last 3 (three) years, an employee or director of the Company or any of its affiliates, (iv) is not a supplier or purchaser of services or products of the Company, (v) is not a manager of a company that demands services or products in an magnitude that implies loss of independence, considering that in the nine-month period ended in September 30, 2020 only 11.29% of the Company’s net revenue arises from sales to the controlling shareholder, CSN, (vi) is not a spouse or relative of another Company manager, and (vii) n does not receive any other remuneration from the Company in addition to that related to the position of director.

Victoria Steinbruch has served as a member of the Company’s Board of Directors since April 16, 2026, having previously served on the Board from January 2021 to August 2024. She currently serves as Energy and Gas Officer and Executive Advisor to the Chief Executive Officer of Companhia Siderúrgica Nacional (CSN). Prior to her current role, she served as Executive Advisor to the Chief Executive Officer and as Results Management Manager at CSN.s. Steinbruch is also a member of the Supervisory Board of Stahlwerk Thüringen GmbH and serves on the boards of directors of several companies affiliated with the CSN Group, including CEEE-G, CSN Cimentos Brasil and CBSI – Companhia Brasileira de Serviços de Infraestrutura. In addition, she serves on the Deliberative Councils of Fundação CSN, Fundação Força e Luz and CBS – Caixa Beneficente dos Empregados da CSN. Prior to joining CSN, she worked as an international equity research analyst at M Square. Ms. Steinbruch holds a degree in Economics from Barnard College, Columbia University (New York), and a Master of Science (MSc) from the London School of Economics and Political Science (London).

He has held the position of Superintendent Director of the Company since August 13, 2024. From 2005 to 2014 and from 2018 to July 2024, he worked at Vale S.A., where he held various management positions in operations and engineering in Brazil and Canada, until he was appointed Operations Director of the Northern Corridor, where he led a team of more than 30,000 people in the states of Pará and Maranhão in one of the largest and most sustainable integrated mining and logistics operations in the world, through the operation of 3 mines (Serra Norte, Serra Sul and Serra Leste), a railroad of almost 900 km and the Port of Ponta da Madeira. With a degree in Civil Engineering from Universidade Estadual Paulista Júlio de Mesquita Filho, a post-graduate degree in Railway Engineering from PUC-Minas and an Executive MBA from Fundação Dom Cabral, he attended the Transformational, Organizational and Leadership Program at the Sloan School of Management at MIT and the Mitsui Global Management Academy at Harvard.

He has held the position of Chief Financial and Investor Relations Officer at the Company since January 21, 2021. He has been an Advisor to the Presidency of Companhia Siderúrgica Nacional since 2019. He also serves as Chairman of the Board of Directors of Equimac S.A., member of the Board of Directors of CBSI Companhia Brasileira de Serviços de Infraestrutura, alternate member of the Board of Directors of Transnordestina Logística S.A., alternate member of the Board of Directors of FTL – Ferrovia Transnordestina Logística S.A. (all controlled or jointly controlled by CSN), member of the Fiscal Council of Fundação CSN, alternate member of the Deliberative Council of Caixa Beneficente dos Empregados of Companhia Siderúrgica Nacional CBS and member of the Board of Directors of Miter Realty. In the last 5 years he was co-founder and is a partner and member of the Board of Brasil Student Housing, a company focused on the development and operation of student housing in Brazil and a specialized FIP consultant focused on this segment. He was also a partner at Leste Investimentos with operations in private equity, vice president and member of the Board of Directors of Petra Energia, member of the Board of Directors of Vicenza Mineração, member of the Board of Directors of Parnaíba Geração e Comercialização de Energia and founding member of URBEM (Institute of Urbanism and Studies for the Metropolis). Graduated in Economics from FEA-USP (Faculty of Economics, Administration and Accounting of the University of São Paulo), with a Master of Finance from the Judge Business School, University of Cambridge, Program for Leadership Development from Harvard Business School and Executive Negotiation Workshop: Bargaining for Advantage by the Wharton Business School.

He has served as the Company’s Strategic Planning Officer since April 1, 2026. He joined ITOCHU Corporation in 2003, where he held various positions before being appointed General Manager of the Iron Ore Department. He holds a degree in Mining Engineering from Kyushu University, Japan, and a postgraduate degree from Kyushu University Graduate School.

He has held the position of Investment Director at the Company since June 25, 2021. He served as Secretary of Planning and Management of the State of Minas Gerais from January 2019 to April 2021. Previously, from November 2008 to December 2018, he served as Director of Magnesita Refratários S.A, having held the position of Director General of Operations since 2013. From 1995 to 2008 he was a consultant and partner at Falconi Consultoria. He holds a bachelor’s degree in Metallurgical Engineering from the Federal University of Minas Gerais (“UFMG”), having been awarded the Alcindo Vieira award for having graduated first in the course.

He has held the position of Company Director since March 6, 2023. Previously, worked for 29 years in various positions in the mining and steel industry, with the last 25 years in executive roles at Vallourec Tubos do Brasil. From July 2020 to 2023, held the position of Executive Director of Raw Materials, responsible for the mining, forestry, raw materials, pelletizing, and ferrous metallurgy operations. Also worked in said company as General Superintendent of Mining and Reduction, General Superintendent of Steelmaking, Reduction Manager, and Raw Materials and Steel Logistics Manager. Holds a degree in Metallurgical Engineering from the Federal University of Minas Gerais (UFMG), a Master’s degree in Metallurgical and Mining Engineering from UFMG, and an Executive MBA in Financial Management from IBMEC.

He has been a member of the Company’s Audit Committee since January 28, 2021. He has held the position of alternate member of the Fiscal Council of Companhia Siderúrgica Nacional (“CSN”) since July 2018, having replaced the titular member as of February 2022 and elected as Chairman of CSN’s Fiscal Council in May 2022. In addition, she has been a member of the Advisory Board of the IBGT (Brazilian Institute of Management and Turnaround) since 2005, founding partner of Clear Horizon (2002), a consulting firm in national and international companies, working in the areas of supply and distribution, production and sales, administrative and financial and member of the Fiscal Council/Audit of the NGO Américas Amigas. She was an independent consultant for the CSN Audit Committee from 2011 to 2017. She holds a degree in Economic Sciences from the Pontifical Catholic University of Rio de Janeiro and a postgraduate degree in Finance from Fundação Getúlio Vargas in Rio de Janeiro.

She has been a member of the Company’s Audit Committee since May 4, 2022. In addition, she is an alternate member of the Fiscal Council of Companhia Siderúrgica Nacional since June 2018, Founder and managing partner of BSM & Associados Ltda., with 27 years of experience in the market, specialization in Organizational Change consulting projects (Change Management) and practice leader and senior consultant since 1993. In the last 5 years she has provided consulting services to several companies, such as Makro, Casas Pernambucanas, Kroton Anhanguera, Marina Linhares Architecture, CSD/Amigão Supermarket (M&A). Graduated in Production Engineering from the Polytechnic School of the University of São Paulo, with a specialization in Creativity and Educational Technology from Fundação Armando Álvares Penteado and Coaching from the Leading Group (Argentina).

has been an independent member of the Company’s Board of Directors since January 21, 2021 and a member of the Audit Committee since January 28, 2021, being appointed as Coordinator of the Company’s Audit Committee on May 4, 2022. In addition to Furthermore, since April 29, 2004 he has been an independent member of the Board of Directors of Companhia Siderúrgica Nacional(“CSN”) and also of its Audit Committee since June 24, 2005, holding the position of chairman of the Audit Committee since October 30, 2017. He is also a member of the Board of Directors of Transnordestina Logística S.A. (jointly controlled by CSN) and an independent member of the Board of Directors of CSN Cimentos S.A. (controlled by CSN). In addition, he has been Director of the School of Economics at Fundação Getúlio Vargas in São Paulo since 2003. In the last 5 years, he has worked as professor of Economics at Fundação Getúlio Vargas, member of the Superior Council of Economics (COSEC) at FIESP/IRS and has been a member of the the Board of Directors of Fundação de Amparo à Pesquisa do Estado de São Paulo – FAPESP until 2015. Previously, he was Special Secretary for Economic Affairs at the Ministry of Finance and Secretary of Finance for the State of São Paulo. He holds a degree in Business Administration from Fundação Getúlio Vargas and a Master’s and Doctorate from Cornell University, in the United States.