| Id | Content |
|---|---|
| F1 | Represents shares sold solely to cover the reporting person's tax withholding obligations in connection with the settlement of restricted stock units previously granted to the reporting person. Pursuant to the Issuer's current practices, the disclosed sale of shares was made in connection with the settlement of restricted stock units, solely to cover taxes related to such settlement. |
| F2 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $0.87 to $0.9069, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. |
| F3 | Represents shares sold solely to satisfy the reporting person's obligations under a divorce decree. |
| F4 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $0.86 to $0.89, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above. |