The board of directors of Tantech Holdings Ltd. announced that, Mr. Wencai Pan has resigned as a member of the board, effective June 18, 2022. Mr. Pan's resignation was not the result of any disagreement with the Company, the Company's management or the Board. Also, the Board has appointed Mengqi Liao as an independent director of the Company,effective June 19, 2022.

Ms. Liao is a senior engagement manager at Pan-China Certified Public Accountants where she serves on the audit teams in the audits of financial statements of various public companies listed both in China and foreign stock exchanges. She was a manager with Da Hua Certified Public Accountants from July 2018 to March 2022. From January 2016 to June 2018, she was an auditor at Ruihua Certified Public Accountants.

Ms. Liao is a certified public accountant and a certified tax agent in China. She also received the Chinese intermediate level accountant qualifications. Ms. Liao has participated in the audits of the financial statements of a number of pubic companies in connection with their financial reporting compliance with U.S. and Chinese stock exchange rules and IPOs in Hong Kong and Korea stock exchanges.

Ms. Liao earned a Bachelor's degree in Management from Chongqing Technology and Business University in 2016.