Riot Blockchain, Inc. announced that pursuant to the previously announced CFO Transition, Mr. Ryan D. Werner, age 43, was appointed as the company's Chief Accounting Officer (principal accounting officer) (CAO), effective as of September 26, 2022, immediately following Mr. McGonegal stepping down as the company's principal accounting officer. Mr. Werner has served as the company's Vice President of Finance since joining Riot in March 2021. Prior to joining Riot, Mr. Werner was a Senior Director of Real Estate and Transactions Accounting at UDR, Inc., a publicly traded real estate company in Colorado, and has extensive audit experience.

Mr. Werner is a Certified Public Accountant and holds a bachelor's degree in accounting and business administration with an emphasis in finance, and a master's degree in accounting and information systems from The University of Kansas.