On April 22, 2020, Dr. Efthymios Deliargyris resigned as Chief Medical Officer of PLx Pharma Inc. (the 'Company'), effective April 30, 2020. Dr. Deliargyris’ departure was not in connection with any disagreement relating to the Company’s operations, policies or practices. The Company intends to appoint Dr. Deliargyris as a member of the Company’s Scientific Advisory Board.