| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| KINGDON CAPITAL MANAGEMENT, L.L.C. | 5.1% | 765K | 0 | 765K | By: /s/ Richard Weinstein | Richard Weinstein / Chief Operating Officer & General Counsel | |
| Mark Kingdon | 5.1% | 765K | 0 | 765K | By: /s/ Mark Kingdon | Mark Kingdon |