| 4 | | Supplemental Agreement for work within scope | $510.6k | 9/16/16 |
| 3 | | Supplemental Agreement for work within scope | $196.7k | 8/23/16 |
| 2 | | Supplemental Agreement for work within scope | $0 | 12/18/15 |
| 1 | | Other Administrative Action | $0 | 3/19/15 |
| Not listed | | Not listed | $2.6m | 8/4/14 |