| 4 | | Supplemental Agreement for work within scope | $15.3k | 7/17/03 |
| 3 | | Supplemental Agreement for work within scope | $207.7k | 8/7/02 |
| 2 | | Supplemental Agreement for work within scope | $19.4k | 3/20/02 |
| 1 | | Exercise an Option | $2.3m | 12/27/01 |
| Not listed | | Not listed | $5.7m | 8/24/01 |