| Explanation of Responses: |
| (1) | Transaction is a deemed disposition that is exempt under Section 16(b) of the Exchange Act consisting of the withholding for tax purposes of shares of Common Stock by the Company upon vesting of restricted shares of Common Stock. |
| (2) | Shares held by a Grantor Retained Annuity Trust of which Reporting Person is the Trustee. |
| (3) | Shares held by Reporting Person as custodian for his son. |
