Mr. Clevenger has served as Chairman of our board since 2009. He also served as our President and Chief Executive Officer from 2009 until 2015. He has over 40 years of experience in the mining industry, with roles including senior level, technical and management positions at companies including Cyprus Amax Minerals Company, Cyprus Copper Company and Phelps Dodge Corporation. Mr. Clevenger is a member of the American Institute of Mining, Metallurgical and Petroleum Engineers and the Metallurgical Society of America. Mr. Clevenger holds a Bachelor of Science degree in Mining Engineering with Honors from the New Mexico Institute of Mining and Technology and is a graduate of the Advanced International Senior Management Program of Harvard University.

Mr. Castanos joined Golden Minerals as Executive Vice President in July 2023 and was elected President and Chief Executive Officer in June 2024. Mr. Castanos has over 20 years of global and strategic leadership expertise, including 12 years in the mining industry, with past positions focusing on strategic planning, finance, compliance, sustainability, government affairs and risk management. From 2017 to 2023, he served as managing partner at a real estate development and construction company. From 2013 to 2016, he worked at Goldcorp Inc. (now Newmont Corporation) in Vancouver, Canada, initially as director of environmental compliance and subsequently as vice president of corporate social responsibility. From 2009 to 2013, he worked at Golden Minerals, first as director and later vice president of corporate affairs. Between 2007 and 2009, he served as director of investor relations with Apex Silver Mines, and from 2004 to 2007 he served as corporate manager of Minera San Cristóbal, the largest silver, zinc and lead mine in Bolivia. Mr. Castanos holds a Master of Business Administration degree in finance, with honors, from Gabriela Mistral University in Santiago, Chile.

Mr. Castanos holds a Master of Business Administration degree in finance, with honors, from Gabriela Mistral University in Santiago, Chile.

Ms. Friedman has served as a director of our company since December 2021. She is a retired partner currently serving as senior of counsel at Davis Graham and Stubbs, LLP ("DGS"), a law firm based in Denver, Colorado, where her practice has focused primarily on corporate finance, securities, corporate governance, and domestic and international mergers and acquisitions matters for both publicly traded and privately held companies, with specific expertise in the mining industry. She previously served as senior vice president, general counsel and corporate secretary for Golden Minerals between 2009 and 2015 under an arrangement whereby she split her time between Golden Minerals and DGS. From 2007 to 2009 Ms. Friedman served as senior vice president, general counsel and corporate secretary of Apex Silver Mines Limited, predecessor to Golden Minerals. Prior to DGS she spent 16 years working in varied positions in the legal departments of Cyprus Amax Minerals Company and AMAX Gold Inc. She has served on the board of directors of Vista Gold (NYSE American: VGZ and TSX: VGZ) since March 2019. Ms. Friedman has received numerous accolades and recognition for her work, including being featured in the International Who's Who of Mining Lawyers by Law Business Research Ltd., and The Best Lawyers in America©. Ms. Friedman holds a Bachelor of Arts Degree in History from the University of Illinois and a Juris Doctor Degree from the University of Michigan Law School.

Mr. Morano has served as a director of our company since March 2009 and has over 35 years of experience in the mining industry. Mr. Morano has been Managing Principal of KEM Capital LLC, a private equity investment company and provider of management advisory services, since March 2007. Mr. Morano held various senior executive roles during a 21-year career at global copper mining company ASARCO Incorporated, including President and Chief Operating Officer, Executive Vice President and Chief Financial Officer. Other roles included Chief Financial Officer and subsequently Senior Vice President for Marketing and Business Development at Lumenis Ltd., and Chief Financial Officer of Exide Technologies. He currently serves as a director of Bear Creek Mining Company. Mr. Morano holds a Master of Business Administration degree from Rider University and a Bachelor of Science degree in Finance from Drexel University.

Mr. Watkins has served as a director of our company since March 2009. He has over 45 years of experience in the mining industry, working as a senior executive with major mining companies as well as junior exploration and development companies. From 2011 to 2016, Mr. Watkins served as Chairman of Atna Resources Ltd., a company engaged in the exploration, development and production of gold properties. Mr. Watkins also served Atna as both Executive Chairman and Chief Executive Officer between 2000 and 2011. From 1993 to 1999, Mr. Watkins served as Senior Vice President, Exploration of Cyprus Amax Minerals Company, a producer of commodities including copper, gold, molybdenum, lithium and coal. Prior to Cyprus Amax, Mr. Watkins served as President of Minova Inc., a producer of precious metals and base metals from mining operations in Canada. Mr. Watkins currently serves on the boards of directors of a number of companies, including Euro Resources S.A. and Commander Resources Ltd. Mr. Watkins previously served on the boards of Rio Novo Gold Inc., Camino Minerals Corporation, Valley High Ventures, Maudore Minerals Ltd., Canplatts Inc., Bearing Resources and Landdrill International Inc. Mr. Watkins holds a B.A. in Geology from Queen's University at Kingston, and an M.S. in Geology from Carleton University, Ottawa, and is a graduate of the Executive Business Program of the University of Western Ontario. Mr. Watkins is a member of the Canadian Institute of Mining and Metallurgy, Geological Association of Canada, Geological Society of Nevada and Prospectors and Developers Association of Canada.