| Id | Content |
|---|---|
| F1 | Represents 135,986 restricted stock units acquired pursuant to the Issuer's 2019 Employee Incentive Plan. Each restricted stock unit represents a contingent right to receive one share of Common Stock of the Issuer and has no expiration date. 1/12th of the total number of shares underlying the restricted stock unit award shall vest on each quarterly anniversary from the date of grant thereafter, subject to continuous service to the Issuer on such date. |
| F2 | A portion of these shares represent restricted stock units. |
| F3 | Represents shares automatically withheld by the Issuer to satisfy a tax obligation realized by the reporting person upon the vesting and settlement of restricted stock units. |
| F4 | Represents shares automatically withheld by the Issuer to satisfy a tax obligation realized by the reporting person upon the vesting and settlement of performance stock units. |