| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Aug 31, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Other acquisition or disposition | -- | -- | 80,474 | |
| Aug 30, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 48,214 | $34.54 | 48,214 | |
| Aug 30, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 48,214 | $51.76 | -- | |
| Aug 30, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 48,214 | $34.54 | -- | |
| Jun 14, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 22,500 | $104.97 | 22,500 | |
| Mar 22, 2004 | Corp. VP & Pres., Mission Sys. | Form 4/A | Other acquisition or disposition | -- | -- | 40,237 | |
| Mar 22, 2004 | Corp. VP & Pres., Mission Sys. | Form 4/A | Other acquisition or disposition | -- | -- | 6,433 | |
| Mar 22, 2004 | Corp. VP & Pres., Mission Sys. | Form 4/A | Other acquisition or disposition | -- | -- | 6,451 | |
| Feb 20, 2004 | Corp. VP & Pres., Mission Sys. | Form 4/A | Other acquisition or disposition (describe transaction) | 4,625 | $104.17 | 1,826 | |
| Feb 20, 2004 | Corp. VP & Pres., Mission Sys. | Form 4 | Other acquisition or disposition (describe transaction) | 4,625 | $104.17 | 1,826 |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.