| 4 | | Supplemental Agreement for work within scope | ($8k) | 9/9/15 |
| 3 | | Supplemental Agreement for work within scope | $93.2k | 8/24/15 |
| 2 | | Supplemental Agreement for work within scope | $4.3k | 8/5/14 |
| 1 | | Supplemental Agreement for work within scope | $58.3k | 5/13/14 |
| Not listed | | Not listed | $4.0m | 9/30/13 |