Mineros S.A. at the ordinary meeting of its General Shareholders Assembly held on March 26, 2024 elected Juan Esteban Mejia, Sofia Bianchi, Michael Doyle, Mauricio Toro, Daniel F. Henao, Marco Izquierdo. Juan Esteban Mejia is an Administrative Engineer and Chartered Financial Analyst from the CFA Institute. Since May 2022, Juan Esteban has served as Manager of Corporate and Presidential Affairs at Grupo Argos, leading the Investor Relations, Sustainability and Communications teams. He has supported the strategy of Grupo Argos in the process of combining Argos USA with Summit Materials and has supported the presidency of the board of directors of Grupo Argos and its subsidiaries.

Prior to his current position, Juan Esteban worked at Argos as Manager of Investor Relations and Presidential Affairs and Leader of Strategy and Mergers and Acquisitions. Sofia Bianchi is an international finance professional with 35 years of experience in: serving on and advising boards on strategy, value creation, corporate finance, corporate governance, and ESG; financial and operational restructuring of corporations and funds; and fund management: special situations, infrastructure, debt and mezzanine. She is the Founding Partner of Atlante Capital Partners, which invests in structurally undervalued businesses.

Until 2020 she was Head of Special Situations, as well as a Member of the Investment Committee for Debt and Infrastructure, at the CDC (now BII). Previously she was Head of Special Situations at BlueCrest Capital Management. As Deputy Managing Director of the Emerging Africa Infrastructure Fund, she was a lead participant in establishing and running the fund, which was the first of its kind.

Prior to that, she was a senior banker at the EBRD and an executive in the M&A team of Prudential Bache. Sofia currently holds several positions as an independent non-executive director. She serves on the Board of Ma'aden, the largest multi-commodity mining and metals company in the Middle East, where she represents the sovereign wealth fund of Saudi Arabia (PIF).

She is also a member of the board of directors of Manara Minerals, Ivanhoe Electric and Yellow Cake. In Canada she is the chair of the board of Canagold Resources. Michael Doyle: With over 35 years of global experience in mining and exploration, Mr. Doyle has worked for organizations such as Rio Tinto, Inmet, Wardell-Armstrong, and Sun Valley Investments.

He is a chartered engineer and geologist and has an M.Eng. and an M.Sc. in Environmental Management from Imperial College London.

Mr. Doyle's expertise spans exploration, feasibility studies, environmental permitting, groundwater management, construction, and the exploitation at both small-scale and major mining projects. Notably, during his tenure at Rio Tinto, he spearheaded the exploration team that identified the Las Cruces high-grade copper deposit in southern Spain. Mr. Doyle is a Partner and Vice President of Technical Services at Sun Valley Investments, where he oversees existing mining operations and conducts rigorous technical evaluations of potential investments in mining projects worldwide.

He is also an executive director of Canagold Resources. Mauricio Toro is a Lawyer from the Universidad Pontificia Bolivariana, Colombia. Mr. Toro was a Judge for 3 years, and worked at the law firm Morenos & Cía. for over 28 years, where he advised multiple companies such as Dole, Embraer, Consorcio Hispano-Alemán Constructor Del Metro De Medellín (Colombian metropolitan train company), Enka, Andina De Construcciones, Cúpula (construction), Estruco (construction), Clínica Las Américas, Flor América, Satexco and Caribe Motor among others.

He has extensive experience in commercial, contractual, labor, human resources and administrative matters, and has been a member on the board of directors of other listed companies. He has also practiced as an independent lawyer in the fields of commercial, contractual, labor and administrative law. Daniel Henao Villamil: Mr. Henao is a seasoned engineer and mining industry leader with proven expertise in driving strategic growth across the entire value chain of the precious metals industry: from the execution of high-impact exploration campaigns to mining, processing and refining.

As Partner and Vice President of Business Development at Sun Valley Investments, Mr. Henao has led the evaluation, acquisition, development and operation of multiple precious metals projects generating sustainable growth and value creation of over USD 400 million. Mr. Henao possesses extensive experience in mergers and acquisitions under different cultural and business environments, risk management, project management as well as a strong track record in navigating complex mining regulations, ensuring projects comply with environmental and safety. Marco Izquierdo is an Industrial Engineer and holds an MBA, with nearly 30 years of experience in strategic and financial planning, budgeting, risk management and project feasibility analysis.

Mr. Izquierdo currently serves as Vice President and Director of Investments at Corficolombiana, where he is responsible for the investment portfolio in tourism, agribusiness, airport infrastructure, water treatment, textiles and real estate. Prior to Corficolombiana, he worked as a strategic and financial consultant at the Cali (Colombia) Integrated Mass Transportation System (MIO) and was a Fellow and an advisor in strategy and finance for the United States Department of Housing and Urban Development.