| 7 | | Supplemental Agreement for work within scope | ($427k) | 2/3/17 |
| 6 | | Supplemental Agreement for work within scope | $36.8k | 9/23/15 |
| 5 | | Supplemental Agreement for work within scope | $106.1k | 9/9/15 |
| 4 | | Supplemental Agreement for work within scope | $60.0k | 6/16/15 |
| 3 | | Supplemental Agreement for work within scope | $312.6k | 9/26/14 |