| 16 | | Exercise an Option | $546.0k | 3/21/07 |
| 5 | | Supplemental Agreement for work within scope | $413.4k | 9/29/06 |
| 13 | | Supplemental Agreement for work within scope | $220.3k | 10/1/05 |
| 12 | | Supplemental Agreement for work within scope | $1.0m | 11/5/04 |
| Not listed | | Not listed | $0 | 10/1/04 |