| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| DONDERO JAMES D | 5.2% | 2.88M | 1.74K | 2.88M | James D. Dondero | James D. Dondero | 0001228922 |
| HIGHLAND GLOBAL ALLOCATION FUND | 1.5% | 806K | 0 | 806K | Stephanie Vitiello | Stephanie Vitiello/Chief Compliance Officer | 0001622148 |
| Drugcrafters, L.P. | 0.1% | 72.1K | 0 | 72.1K | James D. Dondero | James D. Dondero/Managing Member of the General Partner | |
| NEXPOINT ASSET MANAGEMENT, L.P. | 1.5% | 806K | 0 | 806K | James D. Dondero | James D. Dondero/President | 0001469877 |
| DONDERO NANCY MARIE | 3.6% | 2M | 0 | 2M | Nancy Marie Dondero | Nancy Marie Dondero | 0001656757 |