| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 10,000 | $47.11 | 114,474 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 15,000 | $47.18 | 129,474 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 4,000 | $55.53 | 125,474 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 9,000 | $55.56 | 116,474 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 1,000 | $55.57 | 115,474 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 8,300 | $55.58 | 107,174 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 2,700 | $55.59 | 104,474 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 10,000 | $47.11 | 30,000 | |
| Aug 05, 2005 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 15,000 | $47.18 | 15,000 | |
| Aug 03, 2005 | Corporate Vice President | Form 4 | Open market or private sale of non-derivative or derivative security | 300 | $55.55 | 75,293 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.