Effective June 14, 2021, Dane C. Andreeff was appointed as President of Helius Medical Technologies, Inc. Mr. Andreeff, has served as the Company's Interim President and Chief Executive Officer since August 2020 and as a member of the Board of Directors since August 2017. Also effective June 14, 2021, Jeffrey S. Mathiesen was appointed as Treasurer of the Company. Mr. Mathiesen, has served as a member of the Company's Board of Directors from June 2020 to June 2021. Additionally, Mr. Mathiesen has served as Vice Chair and Lead Independent Director since March 2020 and as Director and Audit Committee Chair, since 2015, of Panbela Therapeutics, Inc. Joyce LaViscount, previously Chief Financial Officer, Chief Operating Officer and Secretary of the Company, will continue in the roles of Chief Operating Officer and Secretary, also effective June 14, 2021. Ms. LaViscount, age has served as the Company's Chief Financial Officer and Chief Operating Officer since October 2015, and she previously served as a member of the Board of Directors from March 2015 to December 2015. Following the appointments described above, Mr. Andreeff will continue to serve as a director of the Company. Mr. Mathiesen resigned from the Board of Directors of the Company and all committees thereof, and the Board of Directors reduced its size from six directors to five directors, effective June 14, 2021. Mr. Mathiesen's decision to resign is not the result of any disagreement with the Company and was in connection with his appointment as Chief Financial Officer and Treasurer. In connection with Mr. Mathiesen's resignation from the Board of Directors and all committees thereof, Sherrie Perkins, a current independent member of the Board of Directors, was appointed as a member of the Audit Committee, and Blane Walter, a current independent member of the Board of Directors and member of the Audit Committee, was appointed chair of the Audit Committee.