Tantech Holdings Ltd. announced the appointment of a new Chief Operating Officer. The employment agreement for Jianming Wu expired on February 24, 2017, and he continued to serve on an at-will basis after expiration through March 1, 2018, when he ceased to serve as Chief Operating Officer. Mr. Wu's departure was not due to any disagreement with management on any matter related to the Registrant's operations, policies or practices. Effective March 1, 2018, Wangfeng Yan was appointed as the Registrant's new Chief Operating Officer. Mr. Yan joined Zhejiang Tantech Bamboo Technology Co. Ltd. as a member of the production staff in August 2010 and rose to serve as the head of production managers. Prior to being appointed as Chief Operating Officer, Mr. Yan was in charge of production management for Tantech Bamboo and Zhejiang Tantech Energy Tech Co. Ltd. In these capacities, Mr. Yan contributed to the "Dr. Charcoal" brand sales channel development. In June 2010, Mr. Yan earned a Bachelor's Degree in Engineering from Zhejiang Sci-tech University in Hangzhou. Effective March 1, 2018, Mr. Qingsong Dong resigned as Treasurer of the Registrant. Mr. Dong's departure was not due to any disagreement with management on any matter related to the Registrant's operations, policies or practices.