Board and Council - Gerdau RI

Board of Directors

Education: Mr. Johannpeter holds a bachelor’s degree in Business Administration from Pontifícia Universidade Católica do Rio Grande do Sul (PUC – RS — Brazil). In addition, he has studied General Business Administration at the University of Toronto (Canada), Marketing at the Ashridge Business School (UK), and Advanced Management at the Wharton School of the University of Pennsylvania (United States).

Professional Experience: He has worked at Gerdau for 40 years and was its CEO between 2007 and 2017. He was the Chairman of the Worldsteel Association (2018–2019). He currently holds the positions of (i) Chairman of the Board of Directors of Gerdau S.A. and member of its advisory committees; (ii) Chairman of the Board of Directors of Metalúrgica Gerdau S.A. a publicly held holding company with a controlling interest in Gerdau S.A.; (iii) member of the Executive Committee of the Worldsteel Association; (iv) Board member of Instituto Aço Brasil; (v) Board member of the Latin American Steel Association (Asociación Latinoamericana del Acero, Alacero); (vi) Vice-Chairman of the Federation of the Industries of the State of São Paulo (Federação das Indústrias de São Paulo, FIESP); (vii) Vice-Chairman of the Federation of the Industries of the State of Rio Grande do Sul (Federação das Indústrias do Rio Grande do Sul, FIERGS); and (viii) a board member of Transforma RS.

Education: Mr. Johannpeter holds a bachelor’s degree in Metallurgical Engineering from the Federal University of Rio Grande do Sul (UFRGS). In addition, he has studied Operations Management at the University of London (Canada) and Executive Development at Penn State (United States) and completed an Advanced Management Program at Harvard (United States).

Professional Experience: He has worked at Gerdau for 40 years and was its Chief Operating Officer between 2007- and 2012. In December 2017, he resigned his executive roles at the Gerdau Executive Committee (Comitê Executivo Gerdau, CEG) where he used to be in charge of the Brazil Long Steel Business Operation and Global Engineering, Industry, and Health & Safety Processes. He served as Chairman of the Board of Directors of Gerdau S.A. (2015–2020), and Metalúrgica Gerdau S.A.(2016–2020), a publicly held holding company with a controlling interest in Gerdau S.A. He currently holds the positions of (i) Vice-Chairman of the Board of Directors of Gerdau S.A. and member of its advisory committees and (ii) Vice-Chairman of the Board of Directors of Metalúrgica Gerdau S.A.

Education: Mr. Johannpeter earned a bachelor’s degree in Law from Unisinos in 1995 and an MBA in Marketing and Finance from the Kellogg School of Management, in Illinois (United States).

Professional Experience: He has worked at Gerdau for over 37 years. He served as a Vice-President of the Gerdau Executive Committee (Comitê Executivo Gerdau, CEG), coordinating the Special Steel Business Operation, the Latin American Business Operation, and the actions arising from the Gerdau 2022 project — Strategy (2014–2017). He was the Vice-Chairman of the Board of Directors of Gerdau S.A. and of Metalúrgica Gerdau S.A., a publicly held holding company, with a controlling interest of Gerdau S.A. (2018–2020). He is currently (i) the Vice-Chairman of the Board of Directors of Gerdau S.A. and a member of its advisory committees; (ii) the Vice-Chairman of the Board of Directors of Metalúrgica Gerdau S.A., a publicly held holding company with a controlling interest in Gerdau S.A; (iii) a Board member of Gerdau Previdência,; (iv) a Board member of Instituto Gerdau,; (v) a Board member of the Institute for Studies in Industrial Development (Instituto de Estudos para o Desenvolvimento Industrial, IEDI); and (vi) a member of the the Global Advisory Board (GAB) of Kellogg Northwestern.

Education: Mr. da Cunha holds a bachelor’s degree in Mechanical Engineering from the Federal University of Minas Gerais (UFMG). ), an MBA degree in Project Management from Fundação Getulio Vargas (Brazil), an MBA in General Business Administration from INSPER Business School (Brazil), a certificate in Leading Change and Organizational Renewal from Harvard Business School (United States), and a certificate in Advanced Corporate Finance from the London Business School (UK).

Professional Experience: He has worked at Gerdau for 18 years. He served as an Executive Officer at Gerdau Aços Longos e Planos in Brazil, Chief Industrial Officer at Gerdau India, and Chief Information Officer (CIO) at Gerdau. Since January 2018, he has been the of Gerdau S.A. and the of Metalúrgica Gerdau S.A., a publicly held holding company with a controlling interest in, Gerdau S.A. He is also, a Board member of Gerdau S.A., and Metalúrgica Gerdau S.A., and the Chairman of the Board of Directors of Seiva S.A. — Florestas e Indústrias, a company that is part of Gerdau’s business group. In addition, he serves as a Board member of Instituto Aço Brasil and Juntos Somos Mais.

Education: Mr. Fernandes holds a bachelor’s degree in Mechanical and Production Engineering from the Polytechnic School of the University of São Paulo – USP (1986).

Professional Experience: He started his career in the financial market in 1986. He served as a Commercial Officer at Crédit Commercial de France (1989–1997); a Commercial Officer at Lloyds Bank (1997–1999); and an Executive Vice-President at Itaú BBA (1999–2019). He currently holds the positions of (i) Board member of Gerdau S.A.; (ii) Board member of Metalúrgica Gerdau S.A., a publicly held holding company with a controlling interest in Gerdau S.A.; (iii) Senior Advisor at Morgan Stanley Brazil; (iv) Board member of Direcional Engenharia (DIRR3) and JHSF (JHSF3); (v) Board member of COPERSUCAR S.A.; (vi) Chairman of the Board of Directors of Fulwood Logistica; (vii ) Senior Financial Advisor at Bracell Brasil Cia de Papel e Celulose; (viii) Board member of CIVI-CO Hub de Impacto Social; and (ix) Executive Director of Museu de Arte de São Paulo (MASP).

Fiscal Council

Education: Bachelor’s Degree in Engineering from the State University of Campinas (UNICAMP), and Master’s and Doctorate Degrees from FEA USP, with a focus on Innovation and Sustainability in the industry’s value chain.

Professional Experience: She has extensive experience across various industries and businesses, having worked at McKinsey & Company, Kearney, Avon, and Mars, in addition to founding Gati Consultoria em Gestão e Governança, an affiliate of the Shingo Institute in Brazil. She also has significant experience across the end-to-end production/supply chain/procurement and innovation chain, as well as in retail, direct sales, and other sales channels, both in Brazil and abroad, having lived and worked in multiple locations. She served as an Advisory Board Member at Aliança Metalúrgica and as Coordinator of the Innovation Committee (2022–2024), and as an Advisory Board Member at Hidrolight do Brasil (2023–2024).
Currently, she is (i) an Executive Mentor at Fundação Dom Cabral (FDC) and Ceolab; (ii) President and Founder of Instituto Mulheres em Operações (MEO); (iii) a Member of the Board of Directors at Pérola (formed by Nutrien from Canada, Ultrabulk from Denmark, and Eurobrás from Brazil); (iv) a Member of the Board of Directors at Pettenati S.A.; and (v) an Alternate Member of the Board of Directors at Neoenergia.

Education: Holds a Bachelor’s, Master’s, and Ph.D. in Law from the University of São Paulo; LL.M. and JSD candidate (ABD) from Columbia Law School.

Professional Experience: Has extensive experience in Capital Markets, Finance, Economic Law, Regulatory Law, Antitrust, and International Trade. Works on matters involving financial markets, securities and derivatives, banking and corporate law, regulation, antitrust, and law and economics, as well as areas related to international finance and multilateral institutions such as the IMF, World Bank (IBRD), and WTO, and regulatory frameworks from entities including the SEC, CVM, the Federal Reserve (FED), and the Central Bank. In addition to other roles, he currently serves as: (i) Partner at CMSquare Assessoria e Consultoria Ltda.; (ii) Partner at Hexa64 Tecnologia Ltda.; (iii) Legal Director at OranjBTC S.A. – Education and Investment; (iv) Member of the Fiscal Council of Klabin S.A.; and (v) Director of the Columbia Alumni Association.

Education: Mr. Alves holds a bachelor’s degree in Economics from PUC–SP; a graduate degree in Financial Management from Fundação Getulio Vargas; a master’s degree in Finance and Investments from EAESP–FGV; a Governance, Risk, and Compliance certificate from the Risk University — KPMG; a Portfolio Manager certificate from CVM; and a professional certification from ANBIMA (CGA). In addition, he took an Audit Committee course held by the IBGC.

Professional Experience: He Worked in the financial market, as Investment Director, Equities portfolio Manager, Investment Analyst and Credit Analyst at: BRAM – Bradesco Asset Management, ABN AMRO Bank, Unibanco and Banco Bozzano Simonsen, and in the administrative and financial area of the bus company Vila Carrão. He was Board Member of Value and Liquidity Fund of Bradesco Templeton (1998-2001), Board Member of GP’s Private Equity Technology Fund (2001-2005), Member of the Fiscal Council of Gerdau S.A. (2017-2018), Member of the Fiscal Council Grupo Fleury and Ecorodovias (2018-2019), Alternate Fiscal Advisor to the Private Equity Fund of 2Bcapital (2013-2019) and Partner at Araxá Investimentos (2015-2016). Currently is (i) Board Member of Tim Brasil, (ii) ) Board Member of Marfrig Brasil Foods, (iii) ) Member of the Fiscal Council of Cielo, (iv) Member of the Fiscal Council Grendene, (v) Member of the Fiscal Council Metalúrgica Gerdau,(vi) Alternate Fiscal Advisor to the Gerdau S.A and (vii) Partner at Barigui Gestão de Recursos.

Education: Bachelor’s Degree in Accounting, with a specialization in Tax Law, a Postgraduate Degree in Financial Management, and an MBA in Finance from IBMEC-SP.

Professional Experience: He began his career at Price Waterhouse Independent Auditors as a trainee, working as an auditor for seven years. He has extensive experience in Controllership and Finance, having served as Controller and CFO for over thirty years in large manufacturing industries.
At São Paulo Alpargatas, he served as Financial Planning Manager and Manager of the Financial Statements and Analysis department for two years. He joined the Villares Group in 1985, where he worked for twenty years, holding roles such as Tax Planning Manager and Controller for several companies within the group and the holding company, also serving for five years as Investor Relations Manager. He was Director of several subsidiaries and Treasurer (Officer) of a U.S. subsidiary.
At Gerdau Group, where he started in early 2006 following Gerdau’s acquisition of Aços Villares, he served as CFO of Aços Villares and Controller (CFO) of Gerdau Diaco (Colombia). He was CFO of Cecil S.A. Laminação de Metais from 2017 to 2019. Currently, he serves as (i) Chairman of the Fiscal Council of Concessionária Aeroporto do Rio de Janeiro S.A. (Tom Jobim Airport), (ii) Alternate Member of the Fiscal Council of JHSF Participações S.A., and (iii) Alternate Member of the Fiscal Council of Gerdau S.A.

Education: He holds a Bachelor’s degree in Accounting from the Universidade do Vale do Rio dos Sinos – UNISINOS. He completed a specialization course in Finance from the Fundação Dom Cabral (Balanced Scorecard) and an Executive Administration course from the Fundação Getúlio Vargas (FGV CEO International).

Professional Experience: He worked as a Foreign Trade Specialist at Bandeirantes and Bamerindus Banks (1968-1977). At PwC, he was a Senior Manager (1980-1988); Partner, Financial Services (1988-1994), Partner and Head of the Financial Services Practice (1994-2009). He also served as Chief Audit Executive at Itaú (2009-2015); Director of Controllership, Risk Management, Integrity, and Technology at BNDES (2016-2017); Member of the Fiscal Council of FGC – Fundo Garantidor de Crédito (2018-2020); Member of the Board of Directors of FGC – Fundo Garantidor de Crédito (2019-2020); Member of the Board of Directors of Braskem (2018-2019); Member of the Fiscal Council of FMCSV (2014-2016); Board Member of Ecorodovias (2018-2020) and Board Member and financial expert of the Audit Committee of XP Inc. (2020-2021). Currently, he is (i) a Board Member of Terra Santa Propriedades Rurais and (ii) an effective member of the Fiscal Council of Metalúrgica Gerdau S.A.

Education: Mr. Monticelli holds a bachelor’s degree in Accounting from Faculdade Porto-Alegrense de Ciências Contábeis e Administrativas and a graduate degree in Business Management from Fundação Getulio Vargas.

Professional Experience:He was an Accounting Assistant at Mundial S.A. (1979–1991); a Technical Advisor for Accounting Information Management at Gerdau (1991–2006); a Technical Advisor for Planning and Strategy Management at Gerdau (2007–2008), an Accounting Professor at Faculdade São Judas Tadeu in Porto Alegre (2008–2014 ); an Investor Relations Technical Advisor at Gerdau (2008–2018); a Financial Advisor in projects to reduce the cost of compliance for publicly held companies at the Brazilian Association of Publicly Held Companies – Associação Brasileira de Companhias Abertas, ABRASCA (2018–2019); and a, Financial, Advisor and Partner at Kienbaum Porto Alegre (2020–2021). He is currently an Accounting Professor in undergraduate and graduate programs of Faculdade Dom Bosco in Porto Alegre; a sitting member of the Fiscal Council of Randon S.A. Implementos e Participações and the Lojas Renner Institute; an alternate member of the Fiscal Council, of Metalúrgica Gerdau S.A., Sanepar, and NGO Parceiros Voluntários, a member of the Board of Directors of at Casa do Menino Jesus de Praga, a -third sector institution, and a facilitator of Accounting/ Financial Education programs at the Cambridge Family Enterprise Group.

Education: Holds a degree in Business Administration from the Federal University of Rio Grande do Sul (UFRGS) and a degree in Accounting from the University of Vale do Rio dos Sinos (Unisinos).

Professional Experience: Has experience at PwC in both Brazil and the United Kingdom, where he worked for 14 years auditing publicly traded and multinational companies across various sectors. During this period, he had exposure to boards of directors, audit committees, and fiscal councils, and worked with internal controls, corporate governance, and financial statements prepared in accordance with IFRS and Brazilian GAAP (BR GAAP). He also worked at Yara Brazil from December 2016 to September 2023, holding, among other roles, the positions of Finance Director for Performance and FP&A, with responsibility for corporate performance and financial planning, and Controller Director, focusing on performance reporting, accounting, tax, and support for M&A operations. He currently serves as (i) Finance Director and CFO of Yokohama TWS South America, responsible for financial and governance areas, with emphasis on performance management and strategic planning.

Education: Holds a Law degree from Centro Universitário das Faculdades Metropolitanas Unidas and a postgraduate specialization in Civil Procedural Law from the Pontifical Catholic University of São Paulo (PUC-SP).

Professional Experience: Has worked at renowned law firms. He served as a full member of the Fiscal Council of Metalúrgica Gerdau S.A., alternate member of the Fiscal Council of Azevedo & Travassos S.A., and member of the Fiscal Councils of JSL Logística S.A. and Vulcabrás S.A. He currently serves as a Member of the Board of Directors of BOMBRIL S.A., and as a Member of the Fiscal Councils of Klabin S.A. and Allos S.A.

Board Officers

Education: Mr. da Cunha holds a bachelor’s degree in Mechanical Engineering from the Federal University of Minas Gerais (UFMG — Brazil), an MBA degree in Project Management from Fundação Getulio Vargas (Brazil), an MBA in General Business Administration from INSPER Business School (Brazil), a certificate in Leading Change and Organizational Renewal from the Harvard Business School (United States), and a certificate in Advanced Corporate Finance from the London Business School (UK).

Education: Mr. Japur holds a bachelor’s degree in Business Administration and a graduate degree in Economics from the Federal University of Rio Grande do Sul (UFRGS — Brazil).

Professional Experience: Mr. Japur started his career at Gerdau in 2005 as an intern in the Planning area. In 2006, he participated in a trainee program held by the Planning and Management department. In 2015, he was promoted to Business Development Manager. In addition, a year later, he took charge of the debt and capital market management process in the Financial department. In 2018, he assumed the position of Planning, IT & Innovation Manager at Gerdau Diaco and Gerdau Metaldom, in Colombia. In 2020, he returned to Brazil to serve as General Manager in the Financial Operations department. He currently holds the position of Executive Vice- President of Finance and CFO and is, responsible for the Finance, Accounting, and Tax departments. He is also an Investor Relations Officer at Gerdau S.A., Metalúrgica Gerdau S.A., and Seiva S.A. – — Florestas e Indústrias, ; a Vice-President of Gerdau S.A. and Metalúrgica Gerdau S.A.; and a Board Member of Seiva S.A. — Florestas e Indústrias.

Education: Mr. Wahrhaftig holds a bachelor’s degree in Mechanical Engineering from the Federal University of Paraná (UFPR), an MBA from the Manchester Business School (UK) and has studieda graduate degree in Corporate Finance from ISAE/ FGV.

Professional Experience: He has 27 years of professional experience, 19 of which at Gerdau. In recent years, he has served as Commercial Officer at Gerdau Aços Especiais; Corporate Commercial Officer; Commercial Officer at Comercial da Gerdau Aços Brasil; and Vice -President of the operations in Brazil, Argentina, and Uruguay. In addition, he is a member of the Board of Directors of Instituto Aço Brasil, where he also served as Charmain for the 2021–22 period. He was a member of the FIESP/ Consic N — Construction Sector Council; a Board member of the Brazilian Association of the Construction Materials Industry – (Associação Brasileira dos Fabricantes de Materiais de Construção, ABRAMAT); member of the Strategy Council of the Federation of Minas Gerais’ Industries (Federação das Indústrias do Estado Minas Gerais, FIEMG); Vice-Chairman of the Board of Directors of the Brazilian Metallurgy, Materials and, Mining Association (Associação Brasileira de Metalurgia, Materiais e Mineração;o, ABM); and a board member of the Latin American Steel Association ( Asociación Latinoamericana del Acero, Alacero). He currently holds the position of Vice-President of Strategy at Gerdau.

Education: He holds degree in Mechanical Engineering from the Federal University of São João Del Rei (UFSJ, 2003) and Executive MBA form Fundação Dom Cabral (FDC, 2014).

Professional Experience: He has 22 years of experience in leading industrial operations and implementing capital projects in steelmaking and mining. Served as Industrial Director responsible for operations at the Ouro Branco Mill (2020-2023), Director of Ouro Branco and Engineering Brazil (2023-2024) and Corporate Director of Industrial, Engineering and HSE (2024-2025).

Education: Mr. Peres holds a degree in Business Administration from Faculdade de Ciências Econômicas, Contábeis e Administração Prof. de Plácido e Silva, in the city of Curitiba-PR, and a graduate degree in Business Administration from Universidade Presbiteriana Mackenzie, in São Paulo-SP.

Professional Experience: He has worked at Gerdau for over 38 years. He served as a Sales and Marketing Manager at the Gerdau operation in Mexico (2010–2012) and as a Sales and Marketing General Manager at the Gerdau operation in Colombia (2013–2014), where he was later promoted to Chief Executive Officer and remained until late 2016. He currently holds the position of Commercial Officer at the Gerdau Aços Brasil (GAB) division.

Education: She holds a Bachelor’s degree in Chemical Engineering from Universidade Federal do Rio de Janeiro, an MBA in Business Management from the Fundação Getúlio Vargas, and an MBA in Finance from IBMEC.

Professional Experience: She worked at Shell as the Purchasing Manager for Operations in South America (2004-2007), and as the Corporate Purchasing Manager for the Latin America region (2007-2011). She also worked at Vale as the Global Purchasing Manager (2011-2018), General Manager of Global Purchasing (2018-2021), and in Strategy, New Business, and Management of Renewable Energy Assets (2021). She was a Full Member of the Board of Directors of Aliança Geração and Consórcios de Energia (2021-2022). Currently, she is (i) the Global Supply Director at Gerdau S.A. and (ii) a Member and President of the Board of DFESA (Usina Hidrelétrica de Dona Francisca).

Education: Mr. da Silva holds a bachelor’s degree in Metallurgical Engineering from the Federal University of Minas Gerais (Brazil, 1998), MBAs in Business Management from the Erasmus University in Rotterdam (Netherlands, 2004) and Fundação Dom Cabral (Brazil , 2009) and a graduate degree in Marketing from the Federal University of Minas Gerais (Brazil, 2002).

Professional Experience: He has 25 years of professional experience, 11 of which at Gerdau, where he served as a General Commercial Manager, a General Commercial and Logistics Manager, a General Industrial Manager, and an Executive Manager, all in the Mining area. He currently holds the positions of Mining & Raw Materials Officer of the Company, Board member at MRS, and Mmember of World Steel Association’s Raw Materials Committee.

Education: Holds a degree in Computer Science from UNIFACS, an MBA in Project Management from Fundação Getulio Vargas (FGV), and specializations in Computer Networks and Exponential Innovation. He has also completed additional programs in Generative AI at MIT and Leadership at the Center for Creative Leadership.

Professional Experience: Has been with Gerdau since 1999, holding several strategic positions, including IT Manager and Head of the Silicon Valley office, where he fostered startups and drove innovation initiatives. He currently serves as Global IT Director.