| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Hill City Capital Master Fund LP | 3.4% | 3,949,299 | 0 | 3,949,299 | /s/ Herbert Frazier | Herbert Frazier, Managing Member of Hill City Capital GP LLC, its General Partner | |
| Hill City Capital GP LLC | 3.4% | 3,949,299 | 0 | 3,949,299 | /s/ Herbert Frazier | Herbert Frazier, Managing Member | |
| Hill City Capital LP | 3.4% | 3,949,299 | 0 | 3,949,299 | /s/ Herbert Frazier | Herbert Frazier, Managing Member of Hill City GP LLC, its General Partner | |
| Hill City GP LLC | 3.4% | 3,949,299 | 0 | 3,949,299 | /s/ Herbert Frazier | Herbert Frazier, Managing Member | |
| Herbert Frazier | 3.4% | 3,949,299 | 0 | 3,949,299 | /s/ Herbert Frazier | Herbert Frazier |