| Id | Content |
|---|---|
| F1 | The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.1125 to $1.20. The reporting person undertakes to provide, upon request by the staff of the SEC, the issuer, or a security holder of the issuer, full information regarding the number of shares transacted at each price, with respect to all transactions reported on the Form 4. |
| F2 | The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.15 to $1.20. The reporting person undertakes to provide, upon request by the staff of the SEC, the issuer, or a security holder of the issuer, full information regarding the number of shares transacted at each price, with respect to all transactions reported on the Form 4. |
| F3 | The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $1.1739 to $1.2226. The reporting person undertakes to provide, upon request by the staff of the SEC, the issuer, or a security holder of the issuer, full information regarding the number of shares transacted at each price, with respect to all transactions reported on the Form 4. |
| F4 | As manager of INV-GP, LLC, Grace Investments, LP's General Partner, Bradford T. Whitmore is an indirect beneficial owner of 601,410 shares of Common Stock. |