| Id | Content |
|---|---|
| F1 | The transaction was executed in multiple trades at the exact price reported above. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |
| F2 | The amount of securities owned following the reported transaction reflects direct ownership of all shares of common stock, including restricted shares. |