| Transaction Date | Filer | Title | Filing | Transaction Type | Shares Traded | Price | Total Held* |
|---|---|---|---|---|---|---|---|
| Sep 19, 2005 | Acting Pres., Mission Systems | Form 4 | Grant, award or other acquisition pursuant to Rule 16b-3(d) | 18,000 | $55.86 | 18,000 | |
| Sep 13, 2005 | Director | Form 4 | Bona fide gift | 27 | -- | 10,403 | |
| Aug 26, 2005 | Corp.VP & Pres.Integrated Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 8,000 | $39.28 | 124,121 | |
| Aug 26, 2005 | Corp.VP & Pres.Integrated Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 2,900 | $55.43 | 121,221 | |
| Aug 26, 2005 | Corp.VP & Pres.Integrated Sys. | Form 4 | Open market or private sale of non-derivative or derivative security | 5,100 | $55.40 | 116,121 | |
| Aug 26, 2005 | Corp.VP & Pres.Integrated Sys. | Form 4 | Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 | 8,000 | $39.28 | -- | |
| Aug 23, 2005 | Acting Pres., Mission Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 16,000 | |
| Aug 23, 2005 | Acting Pres., Mission Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | 5,299 | |
| Aug 23, 2005 | Acting Pres., Mission Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- | |
| Aug 23, 2005 | Acting Pres., Mission Systems | Form 3 | Initial Statement of Beneficial Ownership of Securities | -- | -- | -- |
* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.