Sylvia Chen is an accomplished finance leader with close to 20 years of experience in finance functions. Ms. Chen joined Dundee Precious Metals in January 2011 and has served progressively senior roles as corporate controller and global controller. She was appointed as Vice President, Finance in 2022, providing leadership in regulatory financial reporting, budgeting and forecasting, tax compliance, and maintenance of the Company’s internal control environment. Ms. Chen started her finance career with public accounting firms and prior to joining DPM, she held financial management roles in Canadian and U.S. listed public companies within the health care and real estate industries. Ms. Chen is a Chartered Professional Accountant, Chartered Accountant and a Chartered Financial Analyst, and holds an MBA in Accounting from the University of Toronto and a PhD in Cognitive Psychology from the University of Hong Kong.

Mark Crawley joined Dundee Precious Metals as Vice President, Commercial in November 2016 with 20 years of nonferrous metals industry experience in sales, raw materials purchasing and commodities trading. Prior to joining DPM, Mr. Crawley served as Senior Vice President Commercial at KGHM International Ltd. He has also held positions with Noranda, Traxys (Sogem) and Luis Dreyfus Commodities in Canada, Belgium and Switzerland. Mr. Crawley holds a Bachelor of Business Administration degree from the University of New Brunswick as well as an MBA from Simon Fraser University.

Mirco Nolte began his career by joining the Tsumeb smelter as a metallurgist in 2007. Since then, he has held increasingly senior operational roles at our Namibian and Bulgarian operations. In 2015 Mirco accepted the role Corporate Director, Processing to lead a number of significant enhancements and optimization programs throughout our operational sites. In June 2019, he earned the role of Vice President Operational Excellence, and became Vice-President, Projects in early 2024. Mirco Nolte earned a Bachelor of Chemical Engineering and Masters of Science from Stellenbosch University, South Africa. He received his Masters of Business Administration from ESADE Business School in Spain.

Anna Ivanova was appointed Vice President, Business Optimization in September 2022. Ms. Ivanova joined Dundee Precious Metals in 2005, and her experience includes systems design and implementation, internal audit, and business optimization. In her previous role as Director, Business Systems, she worked in close collaboration with the Company’s operations and corporate functions, overseeing key initiatives related to DPM’s Operating Model, Business Architecture, Business Planning System, and performance optimization and reporting. Prior to joining DPM, Anna held finance roles in the pharmaceutical sector. Ms. Ivanova holds a Masters in Finance from the University of National and World Economy, and an Executive MBA from the American University in Bulgaria.

Matthieu Risgallah brings more than 20 years of leadership and technology experience including digital, information technology, and operational technology. He has worked in consulting and asset intensive industries including pharmaceutical and chemical multinational corporations, where his focus has been on value creation and delivery. He has broad international experience working in France, Switzerland and the Netherlands and lead multicultural global teams, before joining our Corporate team, based in Toronto, in 2018. In June 2019 he became Vice President, Technology with oversight for all locations. Matthieu holds a Bachelor Degree of Business Administration from HEC Montréal, and a Masters Degree from Ecole de Management Lyon Business School.

Tsvetomir Velkov was appointed General Manager, Chelopech in 2022. He first joined the company over 20 years ago, starting as an intern at the Chelopech mine while he was a student at St. Ivan Rilsky University of Mining and Geology. He then moved to the permanent position of Geotechnical Engineer in 2001. He has held progressively senior roles, including Senior Geotechnical Engineer, Mine Superintendent and Technical Services Manager, and Operations Manager. Under his leadership, the Smart Center successfully transitioned from a pilot project into full operation, and he also led a number of successful optimization projects. In 2024, he was appointed Vice President, Technical Services.

Alex Wilson brings over 20 years of human resources experience, having focused the last 15 years in the mining industry. Before joining Dundee Precious Metals, Ms. Wilson served as Vice President, Organizational Effectiveness for Barrick Gold Corporation, and previous to that, held progressively senior roles in the Human Resources team supporting the global mine site operations, projects and the corporate headquarters. Ms. Wilson has broad expertise across the human resources spectrum and provides leadership in the areas of talent management, learning & development, expatriate management, talent acquisition, organization design, workforce planning and program service delivery. Prior to Barrick Gold, Ms. Wilson held positions in Recruiting and Human Resources consulting for Deloitte. Ms. Wilson holds a Bachelor of Arts and Bachelor of Education from York University.

Lyubomir Hainov was appointed General Manager, Ada Tepe, in 2022. He first joined the company as a mechanical fitter in the Chelopech mine’s process plant. Two years later, he became a shift boss and then gradually assumed responsibility for mechanical maintenance and the maintenance for the process plant. In 2011, he was appointed Chelopech Process Plant Director. From 2013 to 2016, Mr. Hainov was Director, Maintenance for Chelopech. In 2016, Mr. Hainov was appointed as the Operations Director of the Ada Tepe mine, where he played an integral role as part of the operations readiness team as the mine commenced production in 2019. He was also a key contributor to the development of the cutting edge Integrate Mine Waste Facility at Ada Tepe, which is the first of its kind to be built in Europe. In 2024, he was appointed Vice President, Operational Readiness.

Paul Ivascanu joined DPM in September 2019 as a Director, Exploration, and in April 2023 he was appointed General Manager, Exploration. Paul played an instrumental role on leading DPM’s exploration programs, planning and budgets with a focus on strategic targets, including expansion discovery and progression of our exploration activities at Coka Rakita. He brings more than 20 years of global exploration experience, including exploration management, effective targeting and drill testing on brownfield and greenfield environments and evaluation of a wide range of ore deposits.

Mr. Ivascanu holds a Bachelor of Geology and Master of Science in Petrology & Ore Deposits from the University of Bucharest and completed part of his graduate training at the University of Salzburg and ETH Zurich. Prior to joining DPM, he started his career as a geoscientist at the Geological Survey of Romania and he held progressively senior exploration roles with Barrick Gold Corporation and Eldorado Gold Corporation.

Irena Tsakova has a master’s degree in chemical engineering and in Environmental Monitoring, Control and Health. With her experience in the Environment Department of Kremikovtsi, Iron & Steel Complex in the Sofia District, Irena gained a deep understanding of the mining and processing industry. Having started in the Chelopech mine in 1999, Irena continued to develop professionally to become Director, HSE and Community Relations, at Chelopech.

In 2013 Irena was promoted to Operations Director responsible for the planning and development of the Krumovgrad gold deposit. In that role, she was recognized as one of the 100 Global Inspirational Women in Mining 2015 as part of the biggest international forum of investments in the mining industry, Mines and Money. From 2018 to 2024 Irena held the role of Director, Permitting and Legal, for the two Dundee Precious Metals subsidiaries in Bulgaria. In April 2024 she assumed the role of General Manager, Ada Tepe.