| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| May 04, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Discretionary transaction in accordance with Rule 16b-3(f) resulting in acquisition or disposition of issuer securities | 3,728 | $55.50 | -- | |
| Feb 28, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 24,000 | $52.90 | 104,474 | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 74,998 | $39.90 | 74,998 | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 400 | $53.76 | 74,598 | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 1,100 | $53.77 | 73,498 | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 1,000 | $53.78 | 72,498 | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 500 | $53.79 | 71,998 | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 71,698 | $53.80 | 300 | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $53.81 | -- | |
| Nov 03, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 74,998 | $39.90 | -- |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.