| 5 | | Additional Work (new agreement, FAR part 6 applies) | $6.4m | 2/12/08 |
| 4 | | Supplemental Agreement for work within scope | $18.8k | 5/25/07 |
| 3 | | Supplemental Agreement for work within scope | $262.5k | 4/9/07 |
| 1 | | Change Order | $362.7k | 1/3/07 |
| Not listed | | Not listed | $573.3m | 9/19/06 |