The equity compensation set forth below will be granted under the Company’s 2020 Equity Incentive Plan, as it may be amended from time to time (the “2020 Plan”). All stock options granted pursuant to this policy will be nonstatutory stock options, with an exercise price per share equal to 100% of the Fair Market Value (as defined in the 2020 Plan) of the underlying Common Stock of the Company (the “Common Stock”) on the date of grant, and will have a term of ten years from the date of grant (subject to earlier termination in connection with a termination of service as provided in the 2020 Plan). All equity awards granted pursuant to this policy will vest in full upon a Change in Control (as defined in the 2020 Plan).

Annual Committee Chair Service Retainer (in lieu of Annual Committee Member Service Retainer):

Payment of Chair Fees. At any one time, each non-Employee Director may receive only one additional annual retainer fee in connection with service as the Chair of a committee (whether in the position of Lead Director, Audit Committee Chair, Compensation and Benefits Committee Chair or Other Committee Chair), regardless of how many committee Chair positions held by such director. For the avoidance of doubt, a non-Employee Director may simultaneously serve as the Chair of more than one committee, but will receive for such service only one additional annual retainer fee, equal to the highest of the additional annual retainer fees associated with his or her Chair positions.

For service as Chair of the audit committee: an annual cash retainer of ​ (in addition to any annual cash retainers otherwise paid).

Annual retainer for non-chair committee members: ​

Annual Retainers. Each Non-Employee Director shall receive an annual retainer of ​ for service on the Board. Each Non-Employee Director shall also receive ​ annually in addition to the annual retainer for serving as a Board Chair for one of the three (3) established Board Committees: Audit Committee, Compensation Committee and Nominating and Corporate Governance Committee.

For service as member of the nominating and corporate governance committee other than as its Chair: an annual cash retainer of ​ (in addition to any annual cash retainers otherwise paid).

For service as member of the science, technology and clinical affairs committee other than as its Chair: an annual cash retainer of ​ (in addition to any annual cash retainers otherwise paid).

•an annual cash retainer of ​ to the Chair of our Audit Committee;

Payments may be modified for known upcoming changes and in the event a role is relinquished by an active chair after payment is made. For a newly appointed committee chair, the annual chair retainer shall be payable pro-rata for the year of election and, if applicable, the annual chair retainer from the relinquished role shall be pro-rated for the period of time through the relinquishment. Directors who relinquish their role of committee chair after a payment date has occurred but prior to the payment having been received, will receive a pro-rata annual chair retainer for the period of time between the payment date and the resignation/relinquishment.