Riot Blockchain, Inc. announced that, after a twenty year tenure with the Company, Jeff McGonegal will retire from his position as Chief Financial Officer (“CFO”) and move into a new role as Senior Advisor to Riot as of August 15th, 2022. Colin Yee, currently Head of Corporate & Financial Operations, has been selected by the Company's Board of Directors to succeed Mr. McGonegal as CFO as of August 15th 2022, in accordance with Riot's succession planning process. Mr. Yee joined Riot as Head of Corporate & Financial Operations in April 2022.

He is currently responsible for the overall coordination and scalability of the Company's corporate and financial functions, including risk management, information technology, human resources and financial planning. Mr. Yee is an experienced business partner and team builder, having successfully grown businesses by working collaboratively to implement key processes, reporting tools and internal controls. Prior to joining Riot, Mr. Yee was the CFO of a mid-market private equity firm specializing in renewable energy and infrastructure, the CFO of a publicly traded real estate company in Canada, and most recently, the COO and CFO of a family office with controlling interests in companies focused on construction and geothermal systems. He is a Chartered Professional Accountant and holds Bachelor of Science and Bachelor of Commerce degrees from the University of Calgary.