O Sr. Simpson atua como nosso Diretor Executivo (CEO) e membro do conselho de administração desde outubro de 2014. Ele também é Diretor Executivo e membro do conselho de administração da Black Iron, Inc., uma empresa de exploração e desenvolvimento de minério de ferro listada na Bolsa de Valores de Toronto, desde outubro de 2010. Antes de ingressar em nossa empresa, o Sr. Simpson trabalhou na Iron Ore Company of Canada (IOC), uma subsidiária da Rio Tinto plc e da Mitsubishi Corp, de 2002 a 2010. Na IOC, ocupou diversos cargos de responsabilidade crescente nas áreas de Avaliação de Negócios, Planejamento Operacional, Melhoria Contínua e, nos últimos três anos, como Gerente Geral da Mina. Seu trabalho na IOC ocorreu principalmente no depósito de minério de ferro Carol Lake, em Labrador. Antes da IOC, o Sr. Simpson atuou como engenheiro de processos na Hatch Ltd., projetando e otimizando refinarias metalúrgicas em diversos países. Ele possui ampla experiência em design de minas, operações e gestão de projetos. O Sr. Simpson é graduado em Engenharia Química e possui um MBA, ambos pela Queen’s University, no Canadá.

O Sr. Ptolemy atua como nosso Diretor Financeiro (CFO) desde julho de 2011. Ele é Contador Profissional Certificado (Chartered Professional Accountant), Contador Geral Certificado (Certified General Accountant) e detentor da certificação CFA (Chartered Financial Analyst). O Sr. Ptolemy também é Diretor Financeiro de várias empresas públicas listadas na Bolsa de Valores de Toronto e na Cboe Canada, nos setores de investimentos, fintech e mineração, como parte do grupo de empresas da Forbes & Manhattan, Inc., incluindo a Aberdeen International Inc. (desde outubro de 2010), Belo Sun Mining Corp. (desde março de 2010) e DeFi Technologies Inc. (anteriormente conhecida como Valour Inc.) (desde outubro de 2009). Ele também atuou como Diretor Financeiro da EV Technology Group Ltd. de novembro de 2020 a março de 2024, e da Sulliden Mining Capital Inc. de junho de 2020 a janeiro de 2024. O Sr. Ptolemy possui bacharelado em Estudos Administrativos e Comerciais pela Western University, no Canadá.

O Sr. Said atua como nosso Secretário Corporativo desde junho de 2018. Ele também ocupa o cargo de secretário corporativo da Belo Sun Mining Corp., uma empresa de mineração listada na Bolsa de Valores de Toronto, desde julho de 2020, e é presidente da Bluelake Minerals AB, uma empresa que explora e desenvolve propriedades minerais, desde janeiro de 2019. Anteriormente, o Sr. Said foi secretário corporativo de diversas empresas, incluindo a Arena Minerals Inc., de julho de 2015 a novembro de 2017, e a Fura Gems Inc., de fevereiro de 2013 a novembro de 2017.

Além disso, o Sr. Said é executivo de negócios e advogado especializado em valores mobiliários corporativos, prestando serviços de consultoria a diversas empresas privadas e empresas públicas listadas na Bolsa de Valores de Toronto, TSX Venture Exchange, Cboe Canada e Canadian Securities Exchange. Ele atua nos setores de mineração, petróleo e gás, cannabis, jogos e tecnologia, como parte do grupo de empresas da Forbes & Manhattan, Inc.

Anteriormente, o Sr. Said trabalhou como advogado de valores mobiliários em um grande escritório de advocacia corporativa em Toronto, onde atuou em diversas transações corporativas e comerciais. É bacharel em Administração de Empresas com honra e com especialização em Economia pela Wilfrid Laurier University, no Canadá, e possui o título de Juris Doctor pela Faculdade de Direito da University of Toronto, também no Canadá.

Recognized as one of the most experienced professionals in mining project implementation in South America, with over 40 years dedicated to the execution of major projects in Brazil. He has led large-scale projects in mining, power transmission, port infrastructure, oil and gas, hydroelectric plants, railways, and ports. A strong advocate of PMBOK® tools for WBS, he introduced and applied key technical concepts in project analysis, ensuring efficient resource planning and cost control. Throughout his career, he has managed projects totaling over US$15 billion in investments, generating approximately 50,000 direct jobs and more than 150,000 indirect jobs.

Lawyer with 11 years of experience, specialized in Civil Law and Civil Procedure, as well as Business and Legal Management and Controllership. She also holds training in Negotiation and Arbitration from CBMAE – the Brazilian Chamber of Mediation and Business Arbitration. She has solid experience in handling strategic cases, managing legal proceedings and contracts, and resolving complex disputes. She has worked at nationally recognized law firms and at the largest law firm in the Northern Region of Brazil, where she followed the Autazes Potash Project since 2018. She joined Potássio do Brasil in 2024, where she leads the company’s internal legal structure.

He is 55 years old and was born in Chile. He holds a degree in Computer Science from the School of Engineering of São Paulo and has over 27 years of experience in Supply Chain, Administration, and Finance, having worked for major mining companies such as Vale, Atlantic Nickel, Caraíba Metais, CSN Mineração, and Caterpillar. He has proven skills in managing strategic contracts, implementing inventory management systems, and reducing operational costs. In 2023, at the 11th Latin American Contract Management Congress, he was recognized as a standout professional in the sector by ANGC (National Association of Contract Managers).

Administrator with a solid background in administrative, financial, and project management, having served as Chief Administrative and Financial Officer at SAAE of Itabira (MG) and Operations Director at Culturinvest Investimentos S.A., as well as manager in companies within the mining and industrial sectors, such as Vale S.A. and Progen/Valpro. He has international experience, including serving as Administrative and Financial Manager in India, and has worked on projects across Latin America, Europe, Africa, and Oceania. He holds a degree in Business Administration from PUC Minas, a postgraduate degree in Management from UFLA, an MBA in Strategic Finance from UFMG, and a Master’s degree in International Business Management from the Universities of Deusto (Spain), Audencia (France), and Bradford (England).

Economist with a master’s degree in Environmental Science and Sustainability in the Amazon, and specializations in Irrigation Engineering (UFPB) and Technological Education Management (University of Oklahoma, USA). With over 40 years of experience in socio-environmental projects, he has extensive expertise in environmental licensing, sustainable development, and public policy. He has served as President of IPAAM, Director of IFAM, and Coordinator of programs such as PROSAMIM. He has solid experience in internationally funded projects (IDB, CAF), particularly in the areas of sanitation, housing, and solid waste management. Recognized for his leadership in sustainability in the Amazon, he has been a member of councils such as CONAMA, participated in international missions, and was a speaker at numerous national and international forums.

Professional with over 35 years of experience in the fertilizer industry, with a strong background in sales, marketing, and logistics, particularly in the Brazilian potash market. Since 2015, he has been working in marketing at Potássio do Brasil. He spent nearly two decades at Vale Fertilizantes S.A., where he held leadership positions in potash sales and animal nutrition. He also has extensive experience in port logistics and operations at the Ponta da Madeira Port with Vale S.A., and began his career as an engineer assembling industrial equipment. He holds a degree in Mechanical Engineering (UFES), with specializations in Supply Chain Management (USP), Engineering Economics (UFMA), and Business Development (FDC).

José Roberto has over 35 years of experience in the mining sector, with a solid background in administrative roles. Since 2008, he has served as Administrative Supervisor and later as Operations Manager at Potássio do Brasil, with a strong track record in organizational resource management, strategic planning, meeting support, community relations, and handling land and environmental matters. He previously worked at companies such as Xstrata, Unamgen, and São Bento Mineração, gaining experience in logistics, procurement, technical and financial support, as well as various administrative services. He is also trained through courses in accounting and procurement processes.

Administrator with 28 years of experience in administrative, financial, procurement, and controllership areas, with a strong track record in managing high-complexity projects in the heavy construction, energy, oil & gas, infrastructure, and concessions sectors. He holds two MBAs: one in Project Management and another in Financial Management and Controllership. He has solid experience in managing CAPEX/OPEX, leading cross-functional teams, contract management, financial control, supplier negotiation, and providing strategic support to operations. He also has strong expertise in performance indicators (KPIs), strategic planning, and risk and deadline management.