| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Domain Partners IX, L.P. | 5% | 125,446 | 0 | 125,466 | /s/ Lisa A. Kraeutler | Lisa A. Kraeutler, Attorney-in-Fact | |
| Domain Associates, LLC | 0.02% | 500 | 0 | 500 | /s/ Lisa A. Kraeutler | Lisa A. Kraeutler, Attorney-in-Fact |