Loma Negra LOMA

Mr. Dayenoff was appointed as a member of our board of directors in April 2026. Mr. Dayenoff currently serves as Chief Investment Officer at Claure Group. Previously, he held senior positions at renowned investment firms such as Key Square / Ghisallo Capital Management and Fir Tree Partners, where he was a Partner and Managing Director. He is particularly noted for his experience as Portfolio Manager of the Argentina Special Opportunity Fund, which delivered strong results during a period of high volatility. Throughout his career, he has also worked at top-tier firms such as Eton Park Capital Management, SAC Capital Management, and Lehman Brothers. Mr. Dayenoff received a bachelor's degree in Science in Business Administration from Universidad de Buenos Aires in 2000 and an MBA from Harvard Business School in 2005.

Mr. Tisne was appointed as a member of our board of directors in April 2026. He joined Moneda Asset Management in 1994, and in 1999 he took charge of the development and management of the Moneda Latin American Debt Investment Fund. He has been a partner since 2006. Mr. Tisne currently serves as Head of Fixed Income Strategies at Moneda Asset Management. Between 2011 and April 2015, he served as president of the Chilean Association of Investment Funds (ACAFI). He currently serves on the board of directors of Moneda Asset Management S.A., Energia Latina S.A., and the Colombian company Termocandelaria Power Limited. Mr. Tisne received a bachelors degree in Business Administration with a concentration in Business Management from the Pontifical Catholic University of Chile.

Mr. Charnas was appointed as a member of our board of directors in April 2026. He is a founding partner of CT Bankers S.A., and serves as a director of Unigel. He served as Vice Chairman and Head of Restructuring at Lazard for Latin America, excluding Brazil and Mexico. Previously, he held the positions of COO, CEO and Senior Partner at MBA Lazard. Mr. Charnas received a bachelor's degree in Economics from the Universidad de Buenos Aires, a master's degree in Finance from the Centro de Estudios Macroeconomicos Argentinos (CEMA), and completed the Executive Program at the Tuck Graduate School of Business at Dartmouth College.

Ms. Loureiro was appointed in April 2022 as Human Resources, Sustainability and Legal Director. Previously she was our director of legal and corporate affairs since March 2021. Ms. Loureiro joined us in 2011 and, since then, has held several positions in our legal department and as Compliance Officer of the company. Ms. Loureiro has wide-ranging experience in capital markets, corporate, labor, financial and commercial matters as well as active participation in international investment projects. Besides the legal affairs, she was also in charge of our compliance program and is currently in charge of the sustainable practices, public affairs, communications of the company, and the Fundacion Loma Negra Para el Desarrollo Sustentable. Ms. Loureiro is currently serving as director of Ferrosur Roca and as Vice President of Fundacion Loma Negra para el Desarrollo Sustentable. Ms. Loureiro received a law degree from the University of Buenos Aires in 2005. She completed graduate coursework in a master's program in economic business law at UCA between 2008 and 2009 and she participated on the international exchange program in Tilburg University of Netherlands in 2009. During 2012 and 2013 she attended a program for the development of organizational skills at Universidad del CEMA. In 2014 she was part of the leadership challenges program of Universidad de San Andres. In 2020 she attended a development executive program at Di Tella University. In addition, she participated in several specialization courses on leadership, coaching and development of organizational competencies.

Mr. Diez has acted as our commercial and concrete director since January 2011. Mr. Diez is responsible for our marketing strategy and commercial relationships. In addition, Mr. Diez also currently serves in the board of Ferrosur Roca S.A., Cofesur S.A.U. y Recycomb S.A.U. Mr. Diez joined our company in May 1992 and, since then, has held a number of positions, including commercial and concrete director, having accumulated more than 30 years of expertise. Mr. Diez received a bachelor's degree in Public Accountancy from Universidad de Buenos Aires in 1991 and an MBA from Universidad Austral in 2000.

Mr. Gerez was appointed as General Director and Vice-President of Ferrosur Roca S.A. in October 2021. He previously performed as manager of the supply chain and logistics at our company from 2005 to 2021, which included the operations at Lomaser's (our blending, distribution and logistics center which includes a cement mixing plant and distribution and logistics center). Also, he held different positions within the supply chain and logistics area in different jurisdictions in Argentina (e.g. Olavarria, Parana, Canuelas). Mr. Gerez joined Loma Negra as a young professional in 1996 and he was part of our company from that point to the present. He received an engineering in electricity degree from Universidad Nacional del Sur de Bahia Blanca and during the last years he attended to several courses of logistic development and direction.

Mr. Trujillo was appointed as a member of our board of directors in April 2026. He has more than 29 years of experience in control-oriented growth equity and private capital investments across the Americas. Mr. Trujillo is Managing Partner of Xperiment, an investment firm focused on industrial technology across food, energy, and materials value chains. He is also co-founder and Managing Partner of Pampa Capital, a private equity firm founded in 2002, where he has led the acquisition, scaling, and divestiture of companies in the agro-industrial sector, including Adeco Agro (NYSE: AGRO), Pla Group (sold to John Deere & Company), Mars Seed Group (sold to Groupe Limagrain), and Campo Austral (sold to BRF S.A.). Mr. Trujillo also serves as a member of the board of directors of Desarrolladora Energetica S.A. (DESA). Prior to founding Pampa Capital, Mr. Trujillo worked at Credit Suisse First Boston in New York from 1996 to 2002 in its Investment Banking Division. Mr. Trujillo received an MPA from Harvard University and holds degrees in Economics and Law and a specialization in Financial Law from Universidad de los Andes, Colombia, where he graduated at the top of his class.

Mr. Amchite is our Director of Operations since April 2025 and is responsible for the management and operations of our integrated plants and grinding facilities. In addition, he is responsible for the company's Engineering, Technology and Processes and Maintenance Area. Mr. Amchite joined our company in February 2000, were he held a number of positions at our industrial units and was the plant manager of our San Juan plant from January 2015 until November 2019. On November 2019 he was appointed as Industrial Manager of Yguazu Cementos S.A. (a formerly subsidiary of our Company sold during 2020). Mr. Amchite received a bachelor degree in Mechanical Engineering from Universidad Nacional de Mar del Plata in 1999.

Mr. Epstein was appointed as member of our board of directors in April 2026. He is the founder of Sur Investment, Research for Traders and FinGuru. He received a bachelors degree in Public Accountancy and an MBA from the University of Michigan. Mr. Epstein was also a vicepresident of the Argentine National Securities Commission (CNV as per its acronym in Spanish).

Mr. Faifman was appointed as member of Loma Negras board of directors in August 2012. He has acted as Vice-President of Loma Negras board of directors and CEO since November 2016. He has also been appointed in May 2025 as CEO of InterCement Brasil S.A. and in April 2026 as CEO of InterCement Participacoes and serves in both companies board of directors since April 2026. In addition, Mr. Faifman also currently serves as president of the Boards of Directors of Ferrosur Roca S.A., Cofesur S.A.U. and Recycomb S.A.U., and Vice-President of Loma Negra. Also, he is currently Vice-President of FICEM (Inter-American Cement Federation) which in turn is member of the GCCA. Mr. Faifman is also a member of the Strategy and Finance Committee of InterCement Brasil S.A. (ICB). In May 2019, Mr. Faifman was appointed Vice-President of the National Association of Portland Cement Producers and the Argentine Institute of Portland Cement, and is currently serving as Vice-President of both organizations. Mr. Faifman joined our company in November 1994 and, since then, has held several positions, including Logistics and Supply Director from June 2015 until November 2016, CEO of Yguazu Cementos from 2016 to 2020 and Chief Financial Officer between August 2012 and June 2015. Mr. Faifman has also served as Superintendent of Corporate Comptroller at InterCement Brasil from September 2010 until August 2012 and as Comptroller and Tax Manager at Loma Negra from May 2006 until September 2010. Mr. Faifman received a bachelor's degree in Public Accountancy from Universidad de Buenos Aires in 1997 and an MBA from Universidad del CEMA in 2002. Currently, he is a member of the following Loma Negra's Committees: Ethics and Compliance Committee, People and Governance Committee, and Results, Finance and Strategy Committee. Also, he is President of the board of Loma Negra's Foundation.

Mr. Mindlin was appointed as a member of our board of directors since April 2026 and also serves as Chairman of Pampa Energia S.A. Mr. Mindlin received a Master of Science in Business Administration from the Universidad del CEMA (Center of Macroeconomic Studies). He also holds a degree in Economics from the Universidad de Buenos Aires. From 1989 to 2004, Mr. Mindlin served as the founder, Senior Portfolio Manager and a shareholder of Grupo Dolphin. From 1991 to 2003, Mr. Mindlin was also a shareholder, Vice-Chairman and Chief Financial Officer of Inversiones y Representaciones S.A. (IRSA), a leading Argentine real estate company listed on the New York Stock Exchange. In November 2003, Mr. Mindlin resigned from IRSA to focus his work on Grupo Dolphin. Mr. Mindlin has extensive expertise in Latin America through his role as Chairman of the board of directors of Grupo Dolphin and several of its affiliates. From 1999 to 2004, Mr. Mindlin also served as Vice Chairman of Alto Palermo S.A. (a leading owner and operator of shopping centers in Buenos Aires), Vice Chairman at Cresud S.A.I.C. (one of the largest listed agricultural companies in Argentina) and ODS S.A. He also served as Director and member of the Executive Committee of Banco Hipotecario, the leading mortgage bank in Argentina. In 2008, Mr. Mindlin founded, and since that time has directed, the Foundation whose purpose is to improve childhood development and education. Mr. Mindlin is also a member and was Chairman of the Board of the Executive Committee of Tzedaka, a leading Jewish-Argentine foundation, and a member of the Council of the Americas. Mr. Mindlin is currently Chairman of Grupo Dolphin Holding S.A., Emes Finance S.A. and member of the board of Origenes Seguros de Retiro S.A., among others.

Mr. Gradin is our CFO since September 2015. In addition, Mr. Gradin currently serves in the boards of directors of Ferrosur Roca S.A., Cofesur S.A.U. and Recycomb S.A.U. Mr. Gradin served as a member of our board of directors since August 2015 until July 2017. He has also served as CFO of Cimpor Spain and Portugal, from January 2013 until August 2015. He joined us in 1998 and has occupied several executive positions within our group, including financial manager from June 2006 until January 2013 and CFO from January 1998 until June 2006. Mr. Gradin received a bachelor's degree in Business Administration in 1995 from UCA. He also received a master's degree in corporate finance from Universidad del CEMA in 2000.