| Id | Content |
|---|---|
| F1 | This transaction is not a sale of shares by the Reporting Person. Instead, this represents shares that have been withheld by the Issuer to satisfy its income tax and withholding and remittance obligations in connection with the vesting and net settlement of previously reported restricted stock units. |
| F2 | Certain of these securities are restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A Common Stock, subject to the applicable vesting schedule and conditions of each RSU. |