Mr. Schmidt has served as Executive Chairman of the Company since January 2025. Most recently, Mr. Schmidt served as the chairman of the board of directors of VersaCold from May 2021 to August 2022. Mr. Schmidt previously served in a number of roles with Nutrien Ltd. (TSX: NTR), one of the world’s largest fertilizer manufacturers, including as a member and the chairman of the board of directors, as well as the transitional president and chief executive officer for one-year term, from February 2013 to December 2021. Mr. Schmidt was instrumental in the merger of Agrium Inc. and PotashCorp., which resulted in the formation of Nutrien. Mr. Schmidt also served as the president, chief executive officer and a director of Hydro One Ltd. (TSX: H) from 2015 to 2018, during which he led one of the largest IPOs in Canada, executed five acquisitions, and achieved significant cost reductions for Hydro One. Prior to Hydro One, Mr. Schmidt served as the president, chief executive officer and a director of Viterra Inc. from 2000 to 2012, during which he completed 24 acquisitions and transformed Saskatchewan Wheat Pool from a regional cooperative into a major global agriculture and food processing corporation with presence in 14 countries on four continents. Prior to Viterra Inc., Mr. Schmidt held senior management positions at several Fortune 100 companies, including General Mills, Inc., ConAgra, Inc., and ConAgra’s global KBC Trading and Processing Company. Mr. Schmidt has over 30 years of experience in global agriculture, energy, and supply chain management. Mr. Schmidt received an Honorary Doctorate of Commerce degree in business and a Bachelor of Arts degree in business from Washburn University in 2016 and 1980, respectively.

Mr. Simpson has served as our Chief Executive Officer and a director on our board of directors since October 2014. Mr. Simpson has also been the Chief Executive Officer and a member of the board of directors of Black Iron, Inc., a Toronto Stock Exchange listed iron ore exploration and development company, since October 2010. Prior to joining our Company, Mr. Simpson worked for the Iron Ore Company of Canada (which we refer to as “IOC”), a subsidiary of Rio Tinto plc and Mitsubishi Corp, from 2002 to 2010. At IOC, he held several progressive roles in Business Evaluation, Operations Planning, Continuous Improvement, and, in his last three years, as Mine General Manager. His work with IOC primarily took place at their Carol Lake iron ore deposit in Labrador. Prior to joining IOC, Mr. Simpson worked as a process engineer for Hatch Ltd., designing and debottlenecking metallurgical refineries around the world. Mr. Simpson has extensive experience in mine design, operations and project management. Mr. Simpson holds a Bachelor of Science degree in Chemical Engineering, as well as a Master of Business Administration degree, from Queen’s University in Canada.

Mr. Ptolemy has served as our Chief Financial Officer since July 2011. Mr. Ptolemy is a Chartered Professional Accountant, Certified General Accountant, and CFA charter holder. Mr. Ptolemy is also the Chief Financial Officer of various Toronto Stock Exchange and Cboe Canada listed public companies in the investment, fintech, and mining industries, as part of the Forbes & Manhattan, Inc. group of companies, such as Aberdeen International Inc. (since October 2010), Belo Sun Mining Corp. (since March 2010), and DeFi Technologies Inc. (formerly knowns as Valour Inc.) (since October 2009). Mr. Ptolemy also served as the Chief Financial Officer of EV Technology Group Ltd. from November 2020 to March 2024, and Sulliden Mining Capital Inc. from June 2020 to January 2024. Mr. Ptolemy holds a Bachelor of Arts degree in Administrative and Commercial Studies from Western University in Canada.

Mr. Leite has ~40 years of executive experience successfully delivering large-scale steel plants, mining and infrastructure projects for which he raised billions in capital by leading negotiations with key stakeholders in Brazil and abroad. As Chief Executive Officer of Companhia Siderúrgica do Pecém, a joint venture between Vale S.A. and Korean steel companies POSCO and DongKuk, he led a team that negotiated a US$2.9 billion loan contract with a pool of banks including Brazil’s BNDES, Korean Export Credit Agencies and a syndicate of eight banks. His extensive experience also includes senior roles at Vale S.A., where he served as Operational Director, CEO of Vale Oman, and Institutional Relations and Sustainability Director, developing strong networks with key government ministries and regulatory authorities.

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.