Dakota Gold DC

Dr. Quartermain has served as Chief Executive Officer of Dakota Gold since October 2024 and as a director of Dakota Gold since March 2022. From January 2010 to December 2019, he was Executive Chairman of Pretium Resources Inc., which he founded. Prior to Pretium, he was President and Chief Executive Officer of Silver Standard Resources Inc. (now SSR Mining Inc.) for 25 years from 1985 to 2010. Dr. Quartermain holds a Bachelor of Science from the University of New Brunswick, a Master of Science from Queens University, his Professional Geoscience certification from the Engineers and Geoscientists BC (retired in 2026), and Honorary Doctor of Science from the University of New Brunswick. In addition to his focus on Dakota Gold, Dr. Quartermain has a number of education, wildlife and social justice philanthropic interests that he supports. Dr. Robert Quartermain, C.M., will retire as Chief Executive Officer (CEO) on August 18, 2026, after serving in the role since November 2024.

On July 27, 2026, the Board of Directors of the Company appointed Jack Henris to serve as the Company's Chief Executive Officer, effective as of August 18, 2026. Also on July 27, 2026, Mr. Henris was appointed by the Board of Directors as a director of the Company, effective August 18, 2026. Mr. Henris, age 63, has more than 35 years of experience in the mining industry and is a graduate of the South Dakota School of Mines and Technology with a Bachelor's Degree in Geological Engineering. Since June 1, 2025, he has served as the Company's President and Chief Operating Officer. Prior to joining Dakota Gold, Mr. Henris was Chief Operating Officer for Hycroft Mining in Winnemucca, Nevada from January 2021 to March 2022. In addition, his mining experience includes General Manager, Mine Manager, and Chief Mine Engineer roles with Newmont Mining in Northeastern Nevada and Colorado for 12 years (August 2005 - September 2017), Senior Mining Consultant with Stantec in Chandler, Arizona (December 2019 - January 2021) and Vice President of Mining and Geotechnical for Goldcorp in Vancouver, British Columbia, Canada (December 2017 - April 2019). Prior to that, Mr. Henris worked for Barrick in Northeastern Nevada at the Goldstrike Mine for nine years (September 1995 - March 2004), advancing through senior operations and technical roles. During his time at both Newmont and Barrick, Mr. Henris gained design and operational experience with open pit oxide heap leach developments. Also, Mr. Henris worked for Homestake Mining Company for eight years (August 1987 - September 1995), including five years at the Open Cut in Lead, South Dakota and additional exploration and technical roles in Nevada and South Dakota.

Ms. Koenig, joined Dakota Gold as Senior Vice President, Chief Legal Officer and Corporate Secretary, on June 1, 2025. Prior to joining the Company in this role, she served on our Board of Directors from March 2022 until May 2025. Previously, she served as Vice President?-?Governance, Corporate Secretary and Deputy General Counsel for Black Hills Corporation (NYSE: BKH), an electric and gas utility company headquartered in Rapid City, South Dakota from August 2019 until May 2025. Prior to this role, she also served in legal and governance roles of increasing responsibility for Black Hills Corporation from June 2013 until August 2019. Prior to joining Black Hills Corporation in 2013, Ms. Koenig spent ten years in private practice as a litigator with Gunderson, Palmer, Nelson & Ashmore, LLP. Ms. Koenig holds a Juris Doctorate from the University of South Dakota School of Law. Before beginning her legal career, Ms. Koenig held various engineering roles of increasing responsibility in both the chemical and computer industries and holds a Bachelor of Science in chemical engineering from the South Dakota School of Mines & Technology. Ms. Koenig is a Certified Corporate Governance Professional. She also serves as the Chair of the Board of Directors of the Children's Home Society of South Dakota, a board member for the Black Hills Community Theater and is a member of the American Association of University Women and the Blacks Hills Women in Mining Chapter.

Dr. O'Rourke has served as a director of Dakota Gold since March 2022. He served as Managing Director for Dakota Gold from July 2024-July 2025. He previously served as President of Global Petroleum Exploration for BHP Billiton (BHPB) (NYSE: BHP) (May 2007-May 2011) and was a member of its senior management team. Other key roles at BHPB included Vice President of Development Planning and Vice President of Appraisal and Petroleum Engineering (June 2003-May 2007). From July 1983 to March 2000, he held various senior technical and management roles for Shell Oil Co. He was a founding partner of Strategic Management Partners LLC (December 2024-July 2026), a consulting firm based in Rapid City, South Dakota, specializing in energy, minerals and business development. He is currently the Non-Executive Lead Director of RESPEC, an engineering consulting firm also based in Rapid City. He served as a director for Dakota Oil and Gas Co., a privately held South Dakota-focused oil and gas exploration company, from June 2020-July 2025. Dr. O'Rourke is also a co-founder and past Chairman of the South Dakota Mines Geological Engineering advisory board. Dr. O'Rourke holds a Bachelor of Science in Geological Engineering and an Honorary Doctorate of Public Service from South Dakota Mines and is a graduate of the Wharton School of Business Advanced Management Program.

Mr. Puil has served as the Managing Partner of RIVI Capital LLC, a private equity firm specializing in precious metals, since 2014. With over 25 years of experience in the resource investment sector, he brings a wealth of expertise as a former fund manager and investment analyst. Throughout his career, Mr. Puil has held senior roles at several notable firms. At Bolder Investment Partners (now Haywood Securities), he was a Partner and Portfolio Manager, and later, he held the position of Senior Analyst of natural resources at the Encompass Fund. In addition to his investment acumen, Mr. Puil has served as an independent director for multiple international mining companies. He holds a degree in Economics from the University of Victoria in British Columbia and is a Chartered Financial Analyst (CFA) Charterholder.

Mr. Kenner has served as a director of Dakota Gold since May 2025. Mr. Kenner has more than 40 years of experience in engineering design and business management. Mr. Kenner currently serves as Interim CEO of Elevate Rapid City, the area's economic development organization. Mr. Kenner served as President and CEO of RESPEC Company, LLC (RESPEC) from May 2009 to December 2024. RESPEC is headquartered in Rapid City, South Dakota, and during his 15 years with the company, he led strategic expansion leveraging the company's nationally recognized technical expertise in rock mechanics. During his tenure, RESPEC grew from annual revenues of $14M to $142M and the geographic presence of two to 28 offices and two international locations, with a total of 650 professionals. Mr. Kenner's public service experience has included board leadership with the American Council of Engineering Companies (ACEC), the Nevada State Board of Professional Engineers and Land Surveyors, and the South Dakota Mines Center for Alumni Relations and Advancement (CARA). Mr. Kenner holds a Bachelor of Science in Civil Engineering and an Honorary Doctorate-Doctor of Public Services, both from South Dakota Mines. He is also a graduate of the Harvard Business School for Senior Executives program.

Jennifer S. Grafton. Ms. Grafton has served as a director of Dakota Gold since March 2022 and as the Chief Operating Officer, General Counsel and Secretary of Rare Earths Americas, Inc., since February 2025. She has also served as Lead Independent Director of Farmland Partners, Inc. (NYSE: FPI) since March 2023. Previously, she served as Executive Vice President and General Counsel (March 2023-May 2024) and Senior Vice President and Deputy General Counsel (January 2021-February 2023) of E2open Parent Holdings Inc. (NYSE: ETWO), a cloud-based, end-to-end supply chain management software company. From December 2008 to July 2019, Ms. Grafton worked at Westmoreland Coal Company (NASDAQ: WLB), most recently serving as Chief Legal Officer, Chief Administrative Officer and Secretary. Prior to Westmoreland, Ms. Grafton worked in the corporate group of various Denver-based and national law firms focusing her practice on securities and corporate governance. Ms. Grafton holds a Master of Business Administration from the University of Michigan, Juris Doctorate from the University of Denver and a Bachelor of Arts in politics and government from the University of Puget Sound.

Ms. Schroeder has served as a director of Dakota Gold since August 2022 and serves on or has served on numerous public and private company boards. She also currently serves on two additional U.S. public company boards: Stellantis N.V. (April 2025-present)(NYSE: STLA) and HSBC N.A. Holdings (October 2021-present)(NYSE: HSBC). She has served on or chaired audit, compensation, nominating/governance, and sustainability committees on several boards. She began her career as a CPA at Ernst & Young and spent nearly two decades on Wall Street as an analyst and banker and as a managing director at several firms, principally Morgan Stanley. Ms. Schroeder holds both a Bachelor and Master of Business Administration from the University of Texas at Austin.

Mr. Campbell, was appointed Chief Financial Officer of Dakota Gold in March 2022. He has over 15 years of progressively senior experience in project and operations financial management obtained via professional practice, capital markets and industry experience. Mr. Campbell served as the Chief Financial Officer for Dakota Gold's predecessor from June 2021 to March 2022. He also served as the Chief Financial Officer of GT Gold Corp. (November 2019?-?May 2021) and before that with Goldcorp Inc. in various roles, including the Head of Investor Relations (April 2018?-?October 2019) and the Head of Finance for Canada and U.S. (July 2013?-?March 2016). He holds a Bachelor of Commerce Degree (Distinction) from the University of Victoria, and a Diploma in Accounting (DAP) from the University of British Columbia. He is a Chartered Professional Accountant (CPA, CA) and a CFA Charter Holder.

On February 26, 2026, the Board of Directors of Dakota Gold Corp. appointed Brian G. Iverson as a director, effective as of March 1, 2026.