On August 25, 2022, Omead Ostadan resigned from his position as President of Seer, Inc. (the “Company”) and from its Board of Directors (the “Board”) for personal reasons, each effective as of September 30, 2022. Effective as of September 30, 2022, the Board has reduced its size from ten members to nine members. In addition, on August 26, 2022, the Board appointed Omid Farokhzad, M.D. to the office of President of the Company, in addition to his current positions as Chief Executive Officer and Chair of the Board, effective as of Mr. Ostadan's resignation.