Management, Boards and Committees

Statutory Board

The Board is composed of 3 (three) and 5 (five members), with 01 (one) CEO, 01 (one) Financial and Investor Relations Director; and up to 03 (three) Directors with no particular designation, in accordance with what was established by the Board of Directors

Name Position Date Elected Termination of Mandate
Sergio Damián Faifman CEO 05/21/2025 1st BDM After 2026 OGM

O Sr. Sergio Faifman é cidadão argentino, graduado pela Universidade de Buenos Aires em Contabilidade Pública, em 1997. Ele também atua como CEO da Loma Negra desde novembro de 2016. O Sr. Faifman também atua atualmente como Presidente dos Conselhos de Administração da Ferrosur Roca S.A., Cofesur S.A. e Recycomb S.A.U. e Vice-Presidente da Loma Negra. Em novembro de 2016, o Sr. Faifman foi nomeado presidente da Associação de Fabricantes de Cimento Portland e do Instituto Argentino de Cimento Portland. O Sr. Faifman ingressou na Loma Negra em novembro de 1994 e, desde então, atuou em várias funções, incluindo Diretor de Logística e Sourcing de junho de 2015 a novembro de 2016 e Diretor Financeiro (CFO) de agosto de 2012 a junho de 2015. Também atuou como Controlador Corporativo da InterCement Brasil entre setembro de 2010 e agosto de 2012 e como Controlador e Gerente Tributário da Loma Negra entre maio de 2006 e setembro de 2010.

Armando Sérgio Antunes da Silva Financial and Investor Relations Director 04/25/2025 1st BDM After 2026 OGM

Mr. Armando da Silva earned a bachelor’s degree in Economic from the State University of Ponta Grossa in 1992, a specialization degree from FECAP in 1997, and an MBA from Fundação Dom Cabral, concluded in 2010. He also attended an extension course in Marketing at Kellogg School of Management in 2010. Mr. Armando da Silva works at InterCement Imobiliária S.A., InterCement Trading e Inversiones S.A., InterCement Trading e Inversiones Egipto, InterCement Trading e Inversiones Argentina, InterCement Portugal S.A., InterCement Financial Operations B.V., Estreito Participações S.A., Barra Grande Participações S.A., Machadinho Participações S.A., COMICAN – Companhia de Mineração Candiota, EcoProcessa – Tratamento de Resíduos Ltda., NeoGera Investimentos em Inovação Ltda., and InterCement Atividades Imobiliárias S.A.

Luiz Augusto Klecz Director Without Specific Designation 04/25/2025 1st BDM After 2026 OGM

Mr. Luiz Augusto Klecz is a member of the Company’s Board of Directors. Mr. Luiz Klecz earned a bachelor’s degree in Law from the University of São Paulo in 1993. Mr. Luiz Klecz earned an MBA degree from the University of CEMA, in Buenos Aires, having concluded the course credits at Insper, in 2009. Mr. Luiz Klecz currently works as an administrator at InterCement Trading e Inversiones S.A., InterCement Trading e Inversiones Egipto S.A., InterCement Trading e Inversiones Argentina S.A., as Legal Corporate Officer at InterCement Participações S.A., and as a member of the Advisory Council at Instituto InterCement.

Board of Directors

The company is administered by a Board of Directors and by an Executive Board, in accordance with the attributions and powers conferred by the applicable legislation and regulations and by the Bylaws. In addition to those mentioned in the Bylaws, the Board of Directors can create other Committees to provide support and advice in managing the Company.

It is composed of at least 3 (three) and a maximum of 7 (seven) members, in addition to an equal number of deputies, all of whom are elected and can be dismissed by the General Shareholders Meeting, for unified mandates of 1 (one) year, with re-election allowed.

Name Position Date Elected Termination of Mandate
Paulo Sergio de Oliveira Diniz Chairman 04/17/2025 AUG 2026

Mr. Paulo Diniz is the Chair of the Company’s Board of Directors. Mr. Paulo Diniz earned a bachelor’s degree in Production Engineering from the Polytechnical University of São Paulo in 1980, a master’s degree in Business Administration (MBA) from IMD, in Switzerland, in 1985, and a specialization degree in Human Resources from Insead, in France, in 1994. Mr. Paulo Diniz held executive positions at Cosan, Bunge, Roche, TIM, Amyris Inc., and Carrier Corp., in Brazil, the USA, and Switzerland. Mr. Paulo Diniz is currently responsible for the Vice President Office of Finance and Investor Relations of InterCement Participações S.A., and is an executive officer at InterCement Portugal S.A. (previously Cimpor Cimentos de Portugal SGPS), and InterCement Imobiliária. Mr. Diniz is also a member of the Board of Directors of Loma Negra (in Argentina), InterCement Brasil S.A., and Instituto InterCement.

Marco Antonio Zangari Member 04/17/2025 AUG 2026

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Sergio Damián Faifman Member 05/21/2025 AUG 2026

O Sr. Sergio Faifman é cidadão argentino, graduado pela Universidade de Buenos Aires em Contabilidade Pública, em 1997. Ele também atua como CEO da Loma Negra desde novembro de 2016. O Sr. Faifman também atua atualmente como Presidente dos Conselhos de Administração da Ferrosur Roca S.A., Cofesur S.A. e Recycomb S.A.U. e Vice-Presidente da Loma Negra. Em novembro de 2016, o Sr. Faifman foi nomeado presidente da Associação de Fabricantes de Cimento Portland e do Instituto Argentino de Cimento Portland. O Sr. Faifman ingressou na Loma Negra em novembro de 1994 e, desde então, atuou em várias funções, incluindo Diretor de Logística e Sourcing de junho de 2015 a novembro de 2016 e Diretor Financeiro (CFO) de agosto de 2012 a junho de 2015. Também atuou como Controlador Corporativo da InterCement Brasil entre setembro de 2010 e agosto de 2012 e como Controlador e Gerente Tributário da Loma Negra entre maio de 2006 e setembro de 2010.

Audit, Ethics, Risk, and Compliance Committee

As determined by the Board of Directors, the Company may have internal committees, whether permanent or not, to advise, assist, and provide any type of support to the management bodies of the Company and its subsidiaries.

Name Position Date Elected Termination of Mandate
Paulo Sergio de Oliveira Diniz Member 05/29/2025 1 year

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Leonardo de Mattos Galvão Member 05/29/2025 1 year

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Douglas Kassa Member 05/29/2025 1 year

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