On October 13, 2021, Seer, Inc. announced that its President and Chief Operating Officer, Omead Ostadan, will be taking a leave of absence as an officer of the Company for personal reasons, beginning on November 20, 2021 and lasting approximately three months. In connection with the leave of absence, the Company and Mr. Ostadan entered into a Leave of Absence Agreement (the “Leave Agreement”), which provides for the suspension of Mr. Ostadan’s salary and vesting of equity awards during the leave of absence and the proration of Mr. Ostadan’s bonus opportunity.